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Seagate Technology Holdings plc
US ˙ NasdaqGS ˙ IE00BKVD2N49

Mga Batayang Estadistika
LEI 396PBGKP6TE3O062MS44
CIK 1137789
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Seagate Technology Holdings plc
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 26, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2025 SEAGATE TECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

August 26, 2025 EX-99.1

Seagate Internal Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE APPOINTS THOMAS SZLOSEK TO THE BOARD OF DIRECTORS SINGAPORE – August 2

szlosekbodappointmentpre Seagate Internal Investor Relations Contact: Shanye Hudson, (510) 661-1600 shanye.

August 1, 2025 EX-2.3

First Amendment to Asset Purchase Agreement, dated as of July 25, 2025, by and among Seagate Technology Holdings Public Limited Company, Seagate Technology LLC, Seagate Singapore International Headquarters Pte. Ltd., and Avago Technologies International Sales Pte. Limited

Exhibit 2.3 Execution Version [*] = Certain confidential information contained in this document, marked by brackets, has been omitted because it is both (i) not material and (ii) is the type that the registrant treats as private or confidential. AMENDMENT TO ASSET PURCHASE AGREEMENT This Amendment (this “Amendment”), executed by the parties hereto on July 25, 2025, to that certain Asset Purchase A

August 1, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 27, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 27, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS P

August 1, 2025 EX-21.1

List of Subsidiaries

Exhibit 21.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY SUBSIDIARIES AS OF JUNE 27, 2025 Seagate Technology Holdings Public Limited Company Ireland Seagate Technology Holdings Public Limited Company - Singapore Branch Singapore Seagate Technology Unlimited Company Ireland Seagate Systems Ireland Limited Ireland Seagate Data Storage Technology Pte. Ltd. Singapore Seagate HDD Cayman Cayman S

July 30, 2025 EX-99.1

Shanye Hudson, Senior Vice President-Investor Relations & Treasury, Seagate Technology Holdings Plc

Shanye Hudson, Senior Vice President-Investor Relations & Treasury, Seagate Technology Holdings Plc Thank you.

July 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 SEAGATE TECHNOLOGY HO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 SEAGATE TECHNOLOGY HOLDINGS plc (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

July 29, 2025 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2025 FINANCIAL RESULTS

Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2025 FINANCIAL RESULTS Fiscal Q4 2025 Highlights ▪Revenue of $2.44 billion ▪GAAP diluted earnings per share (EPS) of $2.24; non-GAAP diluted EPS of $2.59 ▪Cash flow from operations

July 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 SEAGATE TECHNOLOGY HO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

July 28, 2025 EX-99.1

SEAGATE APPOINTS DAVE MOSLEY TO POSITION OF BOARD CHAIR

Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE APPOINTS DAVE MOSLEY TO POSITION OF BOARD CHAIR Chief Executive Officer Dave Mosley elected to become Chairman of the Board Michael R. Cannon to become Lead Independent Director FREMONT, CA – July 28, 2025 - Seagate Technology Holdings p

July 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 SEAGATE TECHNOLOGY HO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 SEAGATE TECHNOLOGY HOLDINGS plc (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

June 30, 2025 EX-4.32

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and U.S. Bank Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 5.750% Senior Notes due 2034

Exhibit 4.32 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 5.750% SENIOR NOTES DUE 2034 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws of th

June 30, 2025 EX-4.27

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 8.250% Senior Notes due 2029

Exhibit 4.27 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 8.250% SENIOR NOTES DUE 2029 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 EX-4.8

Form of New 4.125% Notes

Exhibit 4.8 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 4.125% Senior Notes due 2031 [CUSIP No.] [ISIN] [ ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns, the

June 30, 2025 EX-4.23

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 9.625% Notes

Exhibit 4.23 REGISTRATION RIGHTS AGREEMENT 9.625% SENIOR NOTES DUE 2032 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.19

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 8.250% Notes

EX-4.19 Exhibit 4.19 REGISTRATION RIGHTS AGREEMENT 8.250% SENIOR NOTES DUE 2029 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SI

June 30, 2025 EX-4.30

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 8.500% Senior Notes due 2031

EX-4.30 Exhibit 4.30 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 8.500% SENIOR NOTES DUE 2031 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under th

June 30, 2025 EX-4.15

Indenture for the New 5.750% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

EX-4.15 Exhibit 4.15 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 5.750% Senior Notes due 2034 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10       

June 30, 2025 EX-4.24

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 5.750% Notes

Exhibit 4.24 REGISTRATION RIGHTS AGREEMENT 5.750% SENIOR NOTES DUE 2034 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.31

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 9.625% Senior Notes due 2032

Exhibit 4.31 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 9.625% SENIOR NOTES DUE 2032 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 EX-4.1

Indenture for the New 4.091% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.1 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 4.091% Senior Notes due 2029 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10       (b) 7.08

June 30, 2025 EX-4.18

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 3.125% Notes

Exhibit 4.18 REGISTRATION RIGHTS AGREEMENT 3.125% SENIOR NOTES DUE 2029 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.17

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 4.091% Notes

Exhibit 4.17 REGISTRATION RIGHTS AGREEMENT 4.091% SENIOR NOTES DUE 2029 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.16

Form of New 5.750% Notes

Exhibit 4.16 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 5.750% Senior Notes due 2034 [CUSIP No.] [ISIN] [  ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns, t

June 30, 2025 EX-4.11

Indenture for the New 8.500% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.11 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 8.500% Senior Notes due 2031 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10      (b) 7.08

June 30, 2025 EX-4.28

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 4.125% Senior Notes due 2031

Exhibit 4.28 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 4.125% SENIOR NOTES DUE 2031 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 EX-4.14

Form of New 9.625% Notes

Exhibit 4.14 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 9.625% Senior Notes due 2032 [CUSIP No.] [ISIN] [  ] No. [Up to] $[  ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns,

June 30, 2025 EX-4.25

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 4.091% Senior Notes due 2029

Exhibit 4.25 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 4.091% SENIOR NOTES DUE 2029 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 EX-4.20

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 4.125% Notes

Exhibit 4.20 REGISTRATION RIGHTS AGREEMENT 4.125% SENIOR NOTES DUE 2031 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.10

Form of New 3.375% Notes

Exhibit 4.10 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 3.375% Senior Notes due 2031 [CUSIP No.] [ISIN] [ ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns, th

June 30, 2025 EX-4.21

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 3.375% Notes

Exhibit 4.21 REGISTRATION RIGHTS AGREEMENT 3.375% SENIOR NOTES DUE 2031 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.7

Indenture for the New 4.125% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.7 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 4.125% Senior Notes due 2031 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10    (b) 7.08 § 3

June 30, 2025 EX-4.26

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 3.125% Senior Notes due 2029

Exhibit 4.26 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 3.125% SENIOR NOTES DUE 2029 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 EX-4.4

Form of New 3.125% Notes

Exhibit 4.4 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 3.125% Senior Notes due 2029 [CUSIP No.] [ISIN] [  ] No. [Up to] $[  ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [    ], or its registered assigns, th

June 30, 2025 EX-4.2

Form of New 4.091% Notes

Exhibit 4.2 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 4.091% Senior Notes due 2029 [CUSIP No.] [ISIN] [ ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [    ], or its registered assigns, the

June 30, 2025 EX-4.5

Indenture for the New 8.250% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.5 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 8.250% Senior Notes due 2029 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10  (b) 7.08 § 311

June 30, 2025 EX-99.1

Seagate Announces Final Results of Exchange Offers and Consent Solicitations for Senior Notes

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] Seagate Announces Final Results of Exchange Offers and Consent Solicitations for Senior Notes FREMONT, CA — June 27, 2025 — Seagate Technology Holdings plc (“Seagate”) (NASDAQ: STX) today announced the final results of the previousl

June 30, 2025 EX-4.3

Indenture for the New 3.125% Notes , dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.3 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 3.125% Senior Notes due 2029 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10  (b) 7.08 § 311

June 30, 2025 EX-4.9

Indenture for the New 3.375% Notes, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

EX-4.9 Exhibit 4.9 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 3.375% Senior Notes due 2031 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10    (b) 7

June 30, 2025 EX-4.13

Indenture for the New 9.625% Notes , dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

EX-4.13 Exhibit 4.13 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of June 30, 2025 9.625% Senior Notes due 2032 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10    (b)

June 30, 2025 EX-4.29

Supplemental Indenture, dated as of June 26, 2025, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee, relating to Seagate HDD Cayman’s 3.375% Senior Notes due 2031

Exhibit 4.29 SUPPLEMENTAL INDENTURE dated as of June 26, 2025 among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and The Guarantors Party Hereto 3.375% SENIOR NOTES DUE 2031 THIS SUPPLEMENTAL INDENTURE, dated as of June 26, 2025 (this “Supplemental Indenture”), is among Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws o

June 30, 2025 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of in

June 30, 2025 EX-4.22

Registration Rights Agreement, dated as of June 30, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the dealer managers party thereto, relating to the New 8.500% Notes

Exhibit 4.22 REGISTRATION RIGHTS AGREEMENT 8.500% SENIOR NOTES DUE 2031 Dated June 30, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MERRILL LYNCH (SINGAPORE) PTE. LTD. DBS BANK LTD. MORGAN STANLEY ASIA (SINGAPORE) PTE. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE

June 30, 2025 EX-4.6

Form of New 8.250% Notes

Exhibit 4.6 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 8.250% Senior Notes due 2029 [CUSIP No.] [ISIN] [  ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns, th

June 30, 2025 EX-4.12

Form of New 8.500% Notes

Exhibit 4.12 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 8.500% Senior Notes due 2031 [CUSIP No.] [ISIN] [  ] No. [Up to] $[  ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [     ], or its registered assigns,

June 16, 2025 EX-99.1

Seagate Announces Early Participation Results and Amendment of Exchange Offers and Consent Solicitations for Senior Notes

EX-99.1 Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] Seagate Announces Early Participation Results and Amendment of Exchange Offers and Consent Solicitations for Senior Notes FREMONT, CA — June 11, 2025 — Seagate Technology Holdings plc (“Seagate”) (NASDAQ: STX) today announce

June 16, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2025 SEAGATE TECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of in

June 2, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 121 Woodlands Avenue Singapor

June 2, 2025 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

EX-1.01 SEAGATE TECHNOLOGY HOLDINGS PLC CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD FROM JANUARY 1 TO DECEMBER 31, 2024 INTRODUCTION This Conflict Minerals Report (“Report”) of Seagate Technology Holdings public limited company (together with its subsidiaries, the “Company,” “Seagate,” “we,” “us” or “our”) is provided in accordance with Rule 13p-1 under the Securities Exchange Act of 1934, a

May 28, 2025 EX-4.2

Form of 5.875% Senior Notes due 2030

EXHIBIT 4.2 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 5.875% Senior Notes due 2030 [CUSIP No.] [ISIN] [ ] No. [Up to] $[ ] Seagate Data Storage Technology Pte. Ltd., a private company limited by shares registered in Singapore (the “Company,” which term includes any successor under the Indenture hereinafter referred to), for value received, promises to pay to [    ], or its registered assigns, the

May 28, 2025 EX-4.3

Registration Rights Agreement, dated as of May 27, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the initial purchasers party thereto

EXHIBIT 4.3 REGISTRATION RIGHTS AGREEMENT 5.875% SENIOR NOTES DUE 2030 Dated May 27, 2025 among SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY MORGAN STANLEY ASIA (SINGAPORE) PTE. MERRILL LYNCH (SINGAPORE) PTE. LTD DBS BANK LTD. MUFG SECURITIES ASIA LIMITED SINGAPORE BRANCH THE BANK OF NOVA SCOTIA, SINGAPORE BRANCH.

May 28, 2025 EX-4.1

Indenture, dated as of May 27, 2025, among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Computershare Trust Company, National Association, as Trustee

Exhibit 4.1 Execution Version SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE HDD CAYMAN as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of May 27, 2025 5.875% Senior Notes due 2030 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a)    7.10 (b)    7.08 §

May 28, 2025 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of inc

May 28, 2025 EX-99.1

Seagate Commences Exchange Offers and Consent Solicitations for Eight Series of Senior Notes

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] Seagate Commences Exchange Offers and Consent Solicitations for Eight Series of Senior Notes FREMONT, CA — May 28, 2025 — Seagate Technology Holdings plc (“Seagate”) (NASDAQ: STX) today announced the commencement of offers to certai

May 22, 2025 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2025 SEAGATE TECHNOLOGY HOLDINGS PLC (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

May 13, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of inc

May 13, 2025 EX-99.1

Seagate Announces Pricing of $400 Million of Senior Unsecured Notes

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] Seagate Announces Pricing of $400 Million of Senior Unsecured Notes FREMONT, CA — May 12, 2025 — Seagate Data Storage Technology Pte. Ltd. (the “Company”), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX) (“Seagate”), t

May 13, 2025 EX-10.1

Purchase Agreement, dated as of May 12, 2025, by and among Seagate Data Storage Technology Pte. Ltd., Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and the initial purchasers named therein

Exhibit 10.1 SEAGATE DATA STORAGE TECHNOLOGY PTE. LTD. 5.875% SENIOR NOTES DUE 2030 PURCHASE AGREEMENT May 12, 2025 May 12, 2025 Morgan Stanley Asia (Singapore) Pte. 2 Central Boulevard #22-01 West Tower Singapore 018916 Merrill Lynch (Singapore) Pte. Ltd 50 Collyer Quay #14-01 OUE Bayfront Singapore 049321 Attn: DCM DBS Bank Ltd. Level 42, Marina Bay Financial Centre Tower 3 12 Marina Boulevard S

May 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2025 SEAGATE TECHNOLOGY H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of inc

May 12, 2025 EX-99.1

Seagate Announces $400.0 Million Senior Unsecured Notes Offering

EX-99.1 Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] Seagate Announces $400.0 Million Senior Unsecured Notes Offering FREMONT, CA — May 12, 2025 — Seagate Data Storage Technology Pte. Ltd. (the “Company”), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX) (“Seagate

May 8, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

May 2, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 28, 2025 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 28, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLD

April 29, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

April 29, 2025 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2025 FINANCIAL RESULTS Fiscal Q3 2025 Highlights ▪Revenue of $2.16 billion ▪GAAP diluted earnings per share (EPS) of $1.57; non-GAAP diluted EPS of $1.90 ▪Cash flow from operations of

March 31, 2025 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 3) INTEVAC, INC. (Name of Subject Company) IRVINE ACQUISITION HOLDINGS, INC. (Offeror) SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Parent of Offeror) (Names of Filing Persons) Common stock,

March 31, 2025 EX-99.(A)(5)(A)

SEAGATE COMPLETES ACQUISITION OF INTEVAC

Exhibit (a)(5)(A) Media Contact: Karin Taylor (408) 772-8279 [email protected] Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] SEAGATE COMPLETES ACQUISITION OF INTEVAC FREMONT, CA – March 31, 2025 - Seagate Technology Holdings plc (Nasdaq: STX) (“Seagate”), a leading innovator of mass-capacity data storage, announced today that it has completed the acqu

March 19, 2025 CORRESP

[Letterhead of Wachtell, Lipton, Rosen & Katz] March 19, 2025

[Letterhead of Wachtell, Lipton, Rosen & Katz] March 19, 2025 VIA EDGAR U.S. Securities and Exchange Commission 100 F Street, N.E. Division of Corporation Finance, Office of Mergers & Acquisitions Washington, D.C. 20549 Attention: Laura McKenzie Re: Seagate Technology Holdings Public Limited Company Schedule TO-T filed March 3, 2025, by Seagate Technology Holdings Public Limited Company File No. 0

March 19, 2025 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) INTEVAC, INC. (Name of Subject Company) IRVINE ACQUISITION HOLDINGS, INC. (Offeror) SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Parent of Offeror) (Names of Filing Persons) Common stock,

March 14, 2025 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) INTEVAC, INC. (Name of Subject Company) IRVINE ACQUISITION HOLDINGS, INC. (Offeror) SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Parent of Offeror) (Names of Filing Persons) Common stock,

March 3, 2025 EX-99.(D)(4)

Intevac, Inc. 3560 Bassett Street Santa Clara, CA 95054

Exhibit (d)(4) Intevac, Inc. 3560 Bassett Street Santa Clara, CA 95054 January 3, 2025 Seagate Technology Holdings Plc 47488 Kato Road Fremont, CA 94538 Attn: James C. Lee Ladies and Gentlemen: 1. In connection with the consideration by Intevac, Inc. (together with its subsidiaries, “Company”) and Seagate Technology Holdings Plc (together with its subsidiaries, “Counterparty”) of a possible strate

March 3, 2025 SC TO-T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 INTEVAC, INC. (Name of Subject Company) IRVINE ACQUISITION HOLD

SC TO-T 1 ny20043489x2sctot.htm SC TO-T UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 INTEVAC, INC. (Name of Subject Company) IRVINE ACQUISITION HOLDINGS, INC. (Offeror) SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Parent of Offeror) (Names of Filing P

March 3, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Schedule TO-T (Rule 14d-100) INTEVAC, INC. (Name of Subject Company (Issuer)) IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Names of Filing Persons

Exhibit 107 Calculation of Filing Fee Tables Schedule TO-T (Rule 14d-100) INTEVAC, INC.

March 3, 2025 EX-99.(A)(1)(A)

Offer to Purchase All Outstanding Shares of Common Stock Intevac, Inc. $4.00 per share, payable in cash Irvine Acquisition Holdings, Inc. a wholly owned subsidiary of Seagate Technology Holdings Public Limited Company THE OFFER AND WITHDRAWAL RIGHTS

EX-99.(A)(1)(A) 2 ny20043489x2exa1a.htm EXHIBIT (A)(1)(A) TABLE OF CONTENTS Exhibit (a)(1)(A) Offer to Purchase   All Outstanding Shares of Common Stock of Intevac, Inc. at   $4.00 per share, payable in cash   by Irvine Acquisition Holdings, Inc. a wholly owned subsidiary of Seagate Technology Holdings Public Limited Company THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE ONE MINUTE AFTER 11:59 P.M. E

March 3, 2025 EX-99.(D)(3)

Project Hermitage Non-Binding Term Sheet January 29, 2025

Exhibit (d)(3) CONFIDENTIAL EXECUTION VERSION Project Hermitage Non-Binding Term Sheet January 29, 2025 This term sheet (“Term Sheet”) summarizes certain terms and conditions of a proposed transaction between Seagate Technology Holdings plc (“Acquiror”) and Intevac, Inc.

March 3, 2025 EX-99.(A)(1)(E)

Notice of Offer to Purchase All Outstanding Shares of Common Stock INTEVAC, INC. a Delaware corporation $4.00 per share, payable in cash Pursuant to the Offer to Purchase dated March 3, 2025 IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary

EX-99.(A)(1)(E) 6 ny20043489x2exa1e.htm EXHIBIT (A)(1)(E) Exhibit (a)(1)(E) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below), and the provisions herein are subject in their entirety to the provisions of the Offer (as defined below). The Offer is made solely pursuant to the Offer to Purchase, dated March 3, 2025, and the related Lett

March 3, 2025 EX-99.(A)(1)(B)

LETTER OF TRANSMITTAL To Tender Shares of Common Stock INTEVAC, INC. a Delaware corporation $4.00 per share, payable in cash Pursuant to the Offer to Purchase Dated March 3, 2025 IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGATE

EX-99.(A)(1)(B) 3 ny20043489x2exa1b.htm EXHIBIT (A)(1)(B) Exhibit (a)(1)(B) LETTER OF TRANSMITTAL To Tender Shares of Common Stock of INTEVAC, INC. a Delaware corporation at $4.00 per share, payable in cash Pursuant to the Offer to Purchase Dated March 3, 2025 by IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY THE OFFER AND WITHDRAW

March 3, 2025 EX-99.(A)(1)(D)

Offer To Purchase All Outstanding Shares of Common Stock INTEVAC, INC. a Delaware corporation $4.00 per share, payable in cash Pursuant to the Offer to Purchase dated March 3, 2025 IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGAT

EX-99.(A)(1)(D) 5 ny20043489x2exa1d.htm EXHIBIT (A)(1)(D) Exhibit (a)(1)(D) Offer To Purchase All Outstanding Shares of Common Stock of INTEVAC, INC. a Delaware corporation at $4.00 per share, payable in cash Pursuant to the Offer to Purchase dated March 3, 2025 by IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY THE OFFER AND WITHDR

March 3, 2025 EX-99.A1C

Offer To Purchase All Outstanding Shares of Common Stock INTEVAC, INC. a Delaware corporation $4.00 per share, payable in cash Pursuant to the Offer to Purchase dated March 3, 2025 IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGAT

EX-99.A1C 4 ny20043489x2exa1c.htm EXHIBIT (A)(1)(C) Exhibit (a)(1)(C) Offer To Purchase All Outstanding Shares of Common Stock of INTEVAC, INC. a Delaware corporation at $4.00 per share, payable in cash Pursuant to the Offer to Purchase dated March 3, 2025 by IRVINE ACQUISITION HOLDINGS, INC. a wholly owned subsidiary of SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY THE OFFER AND WITHDRAWAL R

February 13, 2025 EX-99.1

Seagate Announces Agreement to Acquire Intevac Intevac Stockholders to Receive $4.00 Per Share in Cash, Plus a Special Dividend of $0.052 Per Share and a Regular Dividend of $0.05 Per Share Acquisition Delivers Compelling and Certain Cash Value

Exhibit 99.1 Seagate Announces Agreement to Acquire Intevac Intevac Stockholders to Receive $4.00 Per Share in Cash, Plus a Special Dividend of $0.052 Per Share and a Regular Dividend of $0.05 Per Share Acquisition Delivers Compelling and Certain Cash Value Fremont, Calif. and Santa Clara, Calif. — February 13, 2025 — Seagate Technology Holdings plc (Nasdaq: STX) (“Seagate”), a leading innovator o

February 13, 2025 EX-99.2

Dear Intevac employees,

Exhibit 99.2 Dear Intevac employees, On behalf of the Seagate leadership team, we’re excited to share that Seagate has signed an agreement to acquire Intevac, with the deal expected to close in late March or early April 2025. At closing, Intevac will officially join Seagate, and we couldn’t be more thrilled to welcome you. We believe combining forces highlights our commitment to innovation, operat

February 13, 2025 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 Intevac, Inc. (Name of Subject Company) Irvine Acquisi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 Intevac, Inc. (Name of Subject Company) Irvine Acquisition Holdings, Inc. (Offeror) Seagate Technology Holdings Public Limited Company (Parent of Offeror) (Names of Filing Persons) COMMON STOCK, $0.001 PA

February 3, 2025 EX-10.1

Credit Agreement, dated as of January 30, 2025, by and among Seagate HDD Cayman, Seagate Technology Holdings Public Limited Company, the lenders party thereto and The Bank of Nova Scotia, as Administrative Agent. Swingline Lender and L/C Issuer

Exhibit 10.1 Execution Version CREDIT AGREEMENT DATED AS OF JANUARY 30, 2025 AMONG SEAGATE HDD CAYMAN, AS THE BORROWER, SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, AS HOLDINGS, THE LENDERS PARTY HERETO, AND THE BANK OF NOVA SCOTIA AS ADMINISTRATIVE AGENT, SWINGLINE LENDER AND L/C ISSUER — THE BANK OF NOVA SCOTIA, BANK OF AMERICA, N.A. MORGAN STANLEY BANK, N.A., and MUFG BANK, LTD., AS L/C

February 3, 2025 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 30, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

January 24, 2025 EX-10.1

Form of Deed of Indemnification between Seagate Technology Holdings plc and the director

Exhibit 10.1 SEAGATE TECHNOLOGY HOLDINGS PLC DEED OF INDEMNIFICATION This Deed of Indemnification (“Deed”) is made as of , 20 by and between Seagate Technology Holdings plc, a public limited company incorporated in Ireland (registered number 606203) having its registered office at Ten Earlsfort Terrace, Dublin 2, Ireland, D02 T380 (the “Company”) and [ ] ( “Indemnitee”). RECITALS WHEREAS, the Comp

January 24, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 27, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 27, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY H

January 21, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 SEAGATE TECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

January 21, 2025 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2025 FINANCIAL RESULTS Fiscal Q2 2025 Highlights ▪Revenue increased to $2.33 billion ▪GAAP diluted earnings per share (EPS) of $1.55; non-GAAP diluted EPS of $2.03 ▪Cash flow from ope

December 3, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

November 12, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Seagate Technology Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G7997R103 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appro

October 25, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 27, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 27, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY

October 25, 2024 EX-10.1

Form of Indemnification Agreement between Seagate Technology LLC and the director or officer named therein

Exhibit 10.1 SEAGATE TECHNOLOGY LLC INDEMNIFICATION AGREEMENT This Indemnification Agreement (this “Agreement”) is dated as of [insert date], and is between Seagate Technology LLC, a Delaware limited liability company (the “Company”), and [insert name of indemnitee] (“Indemnitee”). RECITALS A. Seagate Technology Holdings plc, a public limited company organized under the laws of the Republic of Ire

October 22, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

October 22, 2024 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Karin Taylor, (408) 772-8279 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2025 FINANCIAL RESULTS Fiscal Q1 2025 Highlights ▪Revenue increased to $2.17 billion ▪GAAP diluted earnings per share (EPS) of $1.41; non-GAAP diluted EPS of $1.58 ▪Cash flow from oper

October 22, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 19, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

September 3, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ___________________________________ SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ___________________________________ Filed by the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 3, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

August 29, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

August 2, 2024 EX-21.1

List of Subsidiaries

Exhibit 21.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY SUBSIDIARIES AS OF JUNE 28, 2024 Seagate Technology Holdings Public Limited Company Ireland Seagate Technology Holdings Public Limited Company - Singapore Branch Singapore Seagate Technology Unlimited Company Ireland Seagate Systems Ireland Limited Ireland Seagate Technology (SG) Pte. Ltd Singapore Seagate Data Storage Technology Pte.

August 2, 2024 EX-4.30(A)

Supplemental Indenture, dated as of April 22, 2024, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee

Exhibit 4.30(a) Execution Version SUPPLEMENTAL INDENTURE dated as of April 22, 2024, among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee and The Guarantors Party Hereto 8.50% Senior Notes due 2031 THIS SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) is entered into as of April 22, 2024, among SEAGATE HDD CAYMAN, an exempted limited liability company organi

August 2, 2024 EX-19.1

Securities Trading Policy

Exhibit 19.1 Securities Trading Policy Executive Summary Seagate is dedicated to compliance with applicable rules and regulations. This Securities Trading Policy (this Policy) provides guidelines and procedures to help you comply with the federal and state securities laws and regulations that govern trading in securities and to help the Company minimize its own legal and reputational risk. The law

August 2, 2024 EX-4.27(A)

Supplemental Indenture, dated as of April 22, 2024, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee

Exhibit 4.27(a) Execution Version SUPPLEMENTAL INDENTURE dated as of April 22 2024, among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee and The Guarantors Party Hereto 8.25% Senior Notes due 2029 THIS SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) is entered into as of April 22, 2024, among SEAGATE HDD CAYMAN, an exempted limited liability company organiz

August 2, 2024 EX-4.24(A)

Supplemental Indenture, dated as of April 22, 2024, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee

Exhibit 4.24(a) Execution Version SUPPLEMENTAL INDENTURE dated as of April 22, 2024, among SEAGATE HDD CAYMAN, COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee and The Guarantors Party Hereto 9.625% Senior Notes due 2032 THIS SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) is entered into as of April 22, 2024, among SEAGATE HDD CAYMAN, an exempted limited liability company organ

August 2, 2024 EX-97.1

Executive Compensation Recovery Policy

Exhibit 97.1 Executive Summary Seagate Technology Holdings public limited company (the “Company”) is committed to strong corporate governance. As part of this commitment, the Company’s Board of Directors (the “Board”) has adopted this clawback policy called the Executive Compensation Recovery Policy (the “Policy”). This Policy provides rules related to the reasonably prompt recovery of certain Inc

August 2, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 28, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS P

August 2, 2024 EX-10.9

Form of Novation Agreement between Seagate Technology LLC and the director or officer named therein

Exhibit 10.9 Deed of Assignment and Novation Dated [ ], 2024 Seagate Technology and Seagate Technology LLC and [ ] This Deed of Assignment and Novation is made on day of 2024 Between: 1.Seagate Technology, an exempted company incorporated under the laws of the Cayman Islands, whose registered office is at c/o Maples Corporate Services Limited, PO Box 309 Ugland House, Grand Cayman KY1-1104, Cayman

July 23, 2024 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Agnieszka Zielinska, (503) 380-0948 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS Fiscal Q4 2024 Highlights ▪Revenue of $1.89 billion ▪GAAP diluted earnings per share (EPS) of $2.39; non-GAAP diluted EPS of $1.05 ▪

July 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

May 31, 2024 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

SEAGATE TECHNOLOGY HOLDINGS PLC CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD FROM JANUARY 1 TO DECEMBER 31, 2023 INTRODUCTION This Conflict Minerals Report (“Report”) of Seagate Technology Holdings public limited company (together with its subsidiaries, the “Company,” “Seagate,” “we,” “us” or “our”) is provided in accordance with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”), for the reporting period from January 1 to December 31, 2023 (the “Reporting Period”).

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 121 Woodlands Avenue 5 Singap

April 26, 2024 EX-2.1

Asset Purchase Agreement, dated as of April 23, 2024, by and among Seagate Technology Holdings Public Limited Company, Seagate Technology LLC, Seagate Technology HDD (India) Private Limited, Seagate Singapore International Headquarters Pte. Ltd., and Avago Technologies International Sales Pte. Limited.

Exhibit 2.1 Execution Version [*] = Certain confidential information contained in this document, marked by brackets, has been omitted because it is both (i) not material and (ii) is the type that the registrant treats as private or confidential. ASSET PURCHASE AGREEMENT by and among SEAGATE TECHNOLOGY LLC, SEAGATE SINGAPORE INTERNATIONAL HEADQUARTERS PTE. LTD., SEAGATE TECHNOLOGY HOLDINGS PLC, and

April 26, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2024 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

April 25, 2024 EX-10.1

Ninth Amended and Restated Seagate Technology Executive Severance and Change in Control Plan

Exhibit 10.1 NINTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN SECTION 1. INTRODUCTION. THE NINTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN (the “Plan” or “Severance and CIC Plan”) was originally approved by the Board of Directors of SEAGATE TECHNOLOGY, a Cayman Islands company (the “Company”) on Au

April 25, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.

April 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

April 23, 2024 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Agnieszka Zielinska, (503) 380-0948 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2024 FINANCIAL RESULTS Fiscal Q3 2024 Highlights •Revenue of $1.66 billion •GAAP diluted earnings per share (EPS) of $0.12; non-GAAP diluted EPS of $0.33 •Cash flow from op

April 23, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in its Charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of i

April 16, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 16, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.

March 7, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / JPMORGAN CHASE & CO - FILING SEAGATE TECHNOLOGY HOLDINGS PLC Passive Investment

SC 13G/A 1 SEAGATETECHNOLOGYHOLDING.htm FILING SEAGATE TECHNOLOGY HOLDINGS PLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* SEAGATE TECHNOLOGY HOLDINGS PLC (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7997R103 (CUSIP Number) February 29, 2024 (Date

February 14, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / Sanders Capital, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 13, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01887-seagatetechnologyhol.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Seagate Technology Holdings PLC Title of Class of Securities: Common Stock CUSIP Number: G7997R103 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropria

February 9, 2024 SC 13G

STX / Seagate Technology Holdings plc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Seagate Technology Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G7997R103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriat

January 26, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 29, 2023 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 29, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

January 25, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / JPMORGAN CHASE & CO - FILING SEAGATE TECHNOLOGY HOLDINGS PLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 02)* SEAGATE TECHNOLOGY HOLDINGS PLC (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7997R103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appro

January 25, 2024 SC 13G/A

STX / Seagate Technology Holdings plc / JPMORGAN CHASE & CO - FILING SEAGATE TECHNOLOGY HOLDINGS PLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 02)* SEAGATE TECHNOLOGY HOLDINGS PLC (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7997R103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appro

January 24, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2024 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

January 24, 2024 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2024 FINANCIAL RESULTS Fiscal Q2 2024 Highlights •Revenue of $1.56 billion •GAAP (loss) per share of $(0.09); non-GAAP diluted earnings per share (EPS) of $0.12 •Cash flow from op

January 2, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 26, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of in

October 27, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 29, 2023 ☐ TRANSITION REPORT PURSUANT T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 29, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

October 27, 2023 EX-10.3

Tenth Amendment, dated as of September 27, 2023 to the 2019 Credit Agreement

Exhibit 10.3 TENTH AMENDMENT This TENTH AMENDMENT, dated as of September 27, 2023 (this “Amendment”), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (“STX”), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liability under the laws of the Cayman Islands

October 26, 2023 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2024 FINANCIAL RESULTS Fiscal Q1 2024 Highlights •Revenue of $1.45 billion •GAAP (loss) per share of $(0.88); non-GAAP (loss) per share of $(0.22) •Cash flow from operations of $12

October 26, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

October 25, 2023 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

September 27, 2023 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 27, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction

September 13, 2023 EX-4.1

Indenture for the 2028 Notes, dated as of September 13, 2023, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee

Exhibit 4.1 SEAGATE HDD CAYMAN as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of September 13, 2023 3.50% Exchangeable Senior Notes due 2028 TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 1.01. Definitions 1 Section 1.

September 13, 2023 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 8, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction o

September 8, 2023 EX-99.2

Shanye Hudson, (510)

Exhibit 99.2 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] Seagate Announces Pricing of $1.3 Billion of Exchangeable Senior Unsecured Notes FREMONT, CA – September 8, 2023 — FREMONT, Calif.—(BUSINESS WIRE)— Seagate HDD Cayman (the “Company”), a subsidiary of Seagate Technology Holdings

September 8, 2023 SC 13D/A

STX / Seagate Technology Holdings Plc / VA Partners I, LLC - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10) Seagate Technology Holdings Public Limited Company (Name of Issuer) Ordinary Shares (Title of Class of Securities) G7997R103 (CUSIP Number) Jason Breeding, Esq. Sonia Muscatine, Esq. ValueAct Capital One Letterman Drive, Building D, Fourth Floor San Fran

September 8, 2023 EX-10.1

Purchase Agreement, dated as of September 7, 2023, by and among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Morgan Stanley & Co. LLC, as representative of the initial purchasers named therein

Exhibit 10.1 $1,300,000,000 SEAGATE HDD CAYMAN 3.50% EXCHANGEABLE SENIOR NOTES DUE 2028 PURCHASE AGREEMENT September 7, 2023 September 7, 2023 Morgan Stanley & Co. LLC As Representative of the several Initial Purchasers named in Schedule I hereto c/o Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 Ladies and Gentlemen: Seagate HDD Cayman, an exempted company incorporated with limit

September 8, 2023 EX-10.2

Form of Capped Call Option Transaction Confirmation

Exhibit 10.2 []1 To: Seagate HDD Cayman PO Box 309, Ugland House Grand Cayman KY1-1104 Cayman Islands Attention:     Katherine E. Schuelke Telephone No.:  353-1234-3136 Email:      [email protected] and Seagate Technology Holdings public limited company 38/39 Fitzwilliam Square Dublin 2 Ireland D02 NX53 Attention:     Katherine E. Schuelke Telephone No.:  353-1234-3136 Email:      kate.sch

September 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 SEAGATE TECHNOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction o

September 8, 2023 EX-99.1

Seagate Announces Offering of Exchangeable Senior Unsecured Notes

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] Seagate Announces Offering of Exchangeable Senior Unsecured Notes FREMONT, CA – September 6, 2023 — Seagate HDD Cayman (the “Company”), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX) (“Seagate”), today announced t

September 5, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 5, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

September 1, 2023 SC 13D/A

STX / Seagate Technology Holdings Plc / VA Partners I, LLC - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9) Seagate Technology Holdings Public Limited Company (Name of Issuer) Ordinary Shares (Title of Class of Securities) G7997R103 (CUSIP Number) Jason Breeding, Esq. Sonia Muscatine, Esq. ValueAct Capital One Letterman Drive, Building D, Fourth Floor San Franc

August 4, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS P

August 4, 2023 EX-10.52

Ninth Amendment, dated as of June 26, 2023 to the 2019 Credit Agreement

Exhibit 10.52 Execution Version NINTH AMENDMENT THIS NINTH AMENDMENT, dated as of June 26, 2023 (this “Amendment”), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (“STX”), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liability under the laws of the

August 4, 2023 EX-21.1

List of Subsidiaries

Exhibit 21.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY SUBSIDIARIES AS OF JUNE 30, 2023 Seagate Technology Holdings Public Limited Company Ireland Seagate Technology Unlimited Company Ireland Seagate Technology Cayman Seagate Technology (Dublin Branch) Ireland Seagate Systems Ireland Limited Ireland Seagate Technology (SG) Pte. Ltd Singapore Seagate Data Storage Technology Cayman Seagate

August 4, 2023 EX-10.51

Eighth Amendment, dated as of May 22, 2023 to the Credit Agreement as of February 2019

Exhibit 10.51 Execution Version EIGHTH AMENDMENT THIS EIGHTH AMENDMENT, dated as of May 19, 2023 (this “Amendment”), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (“STX”), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liability under the laws of the

July 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 SEAGATE TECHNOLOGY HO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

July 26, 2023 EX-99.1

SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS Fiscal Q4 2023 Highlights ▪Revenue of $1.60 billion ▪GAAP (loss) per share of $(0.44); non-GAAP (loss) per share of $(0.18) ▪Cash flow from

July 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2023 SEAGATE TECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of incorp

May 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2023 SEAGATE TECHNOLOGY H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Co

May 30, 2023 EX-4.4

Indenture for the 2031 Notes, dated as of May 30, 2023, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee.

Exhibit 4.4 SEAGATE HDD CAYMAN as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of May 30, 2023 8.50% Senior Notes due 2031 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10 (b) 7.08 § 311 7.03 § 312 11.02 § 313 7.06 § 314 (a) 4.04 (c) 11.04 (e) 11.05

May 30, 2023 EX-4.1

Indenture for the 2029 Notes, dated as of May 30, 2023, among Seagate HDD Cayman, as Issuer, Seagate Technology Holdings plc and Seagate Technology Unlimited Company, as Guarantors, and Computershare Trust Company, National Association, as Trustee.

Exhibit 4.1 SEAGATE HDD CAYMAN as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of May 30, 2023 8.25% Senior Notes due 2029 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections § 310 (a) 7.10 (b) 7.08 § 311 7.03 § 312 11.02 § 313 7.06 § 314 (a) 4.04 (c) 11.04 (e) 11.05

May 30, 2023 EX-4.6

Registration Rights Agreement for the 2031 Notes, dated as of May 30, 2023, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Morgan Stanley & Co. LLC.

Exhibit 4.6 REGISTRATION RIGHTS AGREEMENT 8.50% SENIOR NOTES DUE 2031 Dated May 30, 2023 among SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MORGAN STANLEY & CO. LLC REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made and entered into this 30th day of May 2023 among Seagate HDD Cayman, an exempted limited liabili

May 30, 2023 EX-4.3

Registration Rights Agreement for the 2029 Notes, dated as of May 30, 2023, among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Morgan Stanley & Co. LLC

EXHIBIT 4.3 REGISTRATION RIGHTS AGREEMENT 8.25% SENIOR NOTES DUE 2029 Dated May 30, 2023 among SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MORGAN STANLEY & CO. LLC REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made and entered into this 30th day of May 2023 among Seagate HDD Cayman, an exempted limited liabili

May 30, 2023 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

EX-1.01 Exhibit 1.01 SEAGATE TECHNOLOGY HOLDINGS PLC CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD FROM JANUARY 1 TO DECEMBER 31, 2022 INTRODUCTION This Conflict Minerals Report (“Report”) of Seagate Technology Holdings public limited company (together with its subsidiaries, the “Company,” “Seagate,” “we,” “us” or “our”) is provided in accordance with Rule 13p-1 under the Securities Exchange A

May 30, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 38/39 Fitzwilliam Square Dubl

May 25, 2023 EX-99.2

Seagate Announces Pricing of $1 Billion of Senior Unsecured Notes

Exhibit 99.2 Media Contact: Gregory Belloni (415) 235-9092 [email protected] Investor Relations Contact: Shanye Hudson (510) 661-1600 [email protected] Seagate Announces Pricing of $1 Billion of Senior Unsecured Notes FREMONT, CA — May 24, 2023 — Seagate HDD Cayman (the “Company”), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX) (“Seagate”), announced that it priced

May 25, 2023 EX-10.1

Purchase Agreement, dated as of May 24, 2023, by and among Seagate HDD Cayman, Seagate Technology Holdings plc, Seagate Technology Unlimited Company and Morgan Stanley & Co. LLC, as representative of the initial purchasers named therein

SEAGATE HDD CAYMAN 8.25% SENIOR NOTES DUE 2029 8.50% SENIOR NOTES DUE 2031 PURCHASE AGREEMENT May 24, 2023 May 24, 2023 Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 Ladies and Gentlemen: Seagate HDD Cayman, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Issuer”), proposes to issue and sell to the several purchasers named in Sch

May 25, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Co

May 25, 2023 EX-99.1

Seagate Announces Offering of Senior Unsecured Notes

Exhibit 99.1 Media Contact: Gregory Belloni (415) 235-9092 [email protected] Investor Relations Contact: Shanye Hudson (510) 661-1600 [email protected] Seagate Announces Offering of Senior Unsecured Notes FREMONT, CA — May 23, 2023 — Seagate HDD Cayman (the “Company”), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX) (“Seagate”), today announced that it intends, subj

May 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 SEAGATE TECHNOLOGY H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Co

April 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

April 20, 2023 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) March 31, 2023 July 1, 2022 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 766 $ 615 Accounts receivable, net 994 1,532 Inventories 1,200 1,565 Other

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Jen Bradfield [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2023 FINANCIAL RESULTS •Revenue of $1.86 billion •GAAP (loss) per share of $(2.09); non-GAAP (loss) per share of $(0.28) •Cash flow from operations of $228 million and free cash flow of $174 mi

April 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2023 SEAGATE TECHNOLOGY H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

April 19, 2023 EX-99.1

Seagate Reaches Resolution with the U.S. Department of Commerce’s Bureau of Industry and Security Reschedules Reporting of Fiscal Third Quarter 2023 Financial Results

EX-99.1 Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Jen Bradfield [email protected] Seagate Reaches Resolution with the U.S. Department of Commerce’s Bureau of Industry and Security Reschedules Reporting of Fiscal Third Quarter 2023 Financial Results FREMONT, CALIFORNIA – April 19, 2023 - Seagate Technology Holdings

April 19, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2023 SEAGATE TECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of i

April 19, 2023 EX-10.1

Settlement Agreement, dated as of April 18, 2023

EX-10.1 Exhibit 10.1 UNITED STATES DEPARTMENT OF COMMERCE BUREAU OF INDUSTRY AND SECURITY WASHINGTON, D.C. 20230 In the Matter of: Seagate Technology LLC 47488 Kato Road Fremont, CA 94538 Seagate Singapore International Headquarters PTE. LTD. 90 Woodlands Avenue 7 Singapore 737911 Respondents SETTLEMENT AGREEMENT This Settlement Agreement (“Agreement”) is made by and between Seagate Technology LLC

March 29, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 29, 2023 SEAGATE TECHNOLOGY H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 29, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

February 17, 2023 SC 13G

STX / Seagate Technology PLC / Sanders Capital, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 9, 2023 SC 13G/A

STX / Seagate Technology PLC / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01856-seagatetechnologyhol.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Seagate Technology Holdings plc Title of Class of Securities: Common Stock CUSIP Number: G7997R103 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropria

January 27, 2023 SC 13G/A

STX / Seagate Technology PLC / JPMORGAN CHASE & CO - FILING SEAGATE TECHNOLOGY HOLDINGS PLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* SEAGATE TECHNOLOGY HOLDINGS PLC (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7997R103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appro

January 25, 2023 EX-10.4

Seventh Amendment, dated as of November 8, 2022 to the Credit Agreement as of February 2019

EXHIBIT 10.4 SEVENTH AMENDMENT THIS SEVENTH AMENDMENT, dated as of November 8, 2022 (this “Amendment”), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (“STX”), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liability under the laws of the Cayman Islan

January 25, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2023 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

January 25, 2023 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) December 30, 2022 July 1, 2022 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 770 $ 615 Accounts receivable, net 840 1,532 Inventories 1,194 1,565 Oth

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2023 FINANCIAL RESULTS •Revenue of $1.89 billion •GAAP diluted (loss) per share of $(0.16); non-GAAP diluted earnings per share (EPS) of $0.16 •Cash flow from operations of $251 m

January 25, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 30, 2022 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

November 30, 2022 EX-99.1

Existing Notes

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Seagate Announces Expiration of Early Exchange Period and Upsize of Previously Announced Exchange Offers for Certain Outstanding Debt Securities FREMONT, CA ? November 29, 2022 - Seagate HDD Cayman (the ?Company?), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX), today announced the expir

November 30, 2022 EX-4.1

Indenture for the New Notes, dated as of November 30, 2022, among Seagate HDD Cayman, as Issuer, Seagate Technology Unlimited Company and Seagate Technology Holdings plc, as Guarantors, and Computershare Trust Company, National Association, as Trustee

Exhibit 4.1 SEAGATE HDD CAYMAN as Issuer SEAGATE TECHNOLOGY UNLIMITED COMPANY SEAGATE TECHNOLOGY HOLDINGS PLC as Guarantors and COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Indenture Dated as of November 30, 2022 9.625% Senior Notes due 2032 CROSS-REFERENCE TABLE 1 TIA Sections Indenture Sections ? 310 (a) 7.10 (b) 7.08 ? 311 7.03 ? 312 11.02 ? 313 7.06 ? 314 (a) 4.04 (c) 11.04 (e)

November 30, 2022 EX-4.3

Registration Rights Agreement for the New Notes, dated as of November 30, 2022, among Seagate HDD Cayman, Seagate Technology Unlimited Company, Seagate Technology Holdings plc, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., BofA Securities, Inc., Scotia Capital (USA) Inc., Wells Fargo Securities, LLC and BNP Paribas Securities Corp

EX-4.3 3 d412489dex43.htm EX-4.3 Exhibit 4.3 REGISTRATION RIGHTS AGREEMENT 9.625% SENIOR NOTES DUE 2032 Dated November 30, 2022 among SEAGATE HDD CAYMAN SEAGATE TECHNOLOGY HOLDINGS PLC SEAGATE TECHNOLOGY UNLIMITED COMPANY and MORGAN STANLEY & CO. LLC MUFG SECURITIES AMERICAS INC. BOFA SECURITIES, INC. SCOTIA CAPITAL (USA) INC. WELLS FARGO SECURITIES, LLC BNP PARIBAS SECURITIES CORP. as the Lead De

November 30, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other Jurisdiction of In

November 15, 2022 EX-99.1

Seagate Announces Exchange Offers for Certain Outstanding Debt Securities

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Seagate Announces Exchange Offers for Certain Outstanding Debt Securities FREMONT, CA - November 14, 2022 - Seagate HDD Cayman (the ?Company?), a subsidiary of Seagate Technology Holdings plc (NASDAQ: STX), today announced the commencement of exchange offers (each, an ?Exchange Offer? and together, the

November 15, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

November 9, 2022 EX-99.1

SEAGATE APPOINTS ROBERT BRUGGEWORTH TO THE BOARD OF DIRECTORS

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE APPOINTS ROBERT BRUGGEWORTH TO THE BOARD OF DIRECTORS FREMONT, CA ? November 9, 2022 - Seagate Technology Holdings plc (NASDAQ: STX), a world leader in data storage and infrastructure solutions, today announced that Robe

November 9, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

November 8, 2022 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

October 27, 2022 EX-10.2

Revised form of Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Restricted Share Unit Agreement

EXHIBIT 10.2 Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Restricted Share Unit Agreement 1.Grant of Restricted Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Restricted Share Units set fort

October 27, 2022 EX-10.4

Sixth Amendment, dated as of August 18, 2022 to the Credit Agreement as of February 20, 2019

EXHIBIT 10.4 SIXTH AMENDMENT AND JOINDER AGREEMENT THIS SIXTH AMENDMENT AND JOINDER AGREEMENT, dated as of August 18, 2022 (this ?Amendment?), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (?STX?), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liabi

October 27, 2022 EX-10.1

Revised form of Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Option Agreement

EXHIBIT 10.1 Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Option Agreement 1.Grant of Option. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to the Participant named in Section 2 below (the ?Participant?) an option (the ?Option?) to purchase the number of the Company

October 27, 2022 EX-10.3

Revised form of Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Executive Performance Share Unit Agreement

EXHIBIT 10.3 Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Executive Performance Share Unit Agreement 1.Grant of Performance Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Performance Share U

October 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

October 26, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

October 26, 2022 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) September 30, 2022 July 1, 2022 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 761 $ 615 Accounts receivable, net 1,098 1,532 Inventories 1,606 1,565

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2023 FINANCIAL RESULTS ?Revenue of $2.04 billion ?GAAP diluted earnings per share (EPS) of $0.14; non-GAAP diluted EPS of $0.48 ?Cash flow from operations of $245 million and free

October 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

October 25, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2022 SEAGATE TECHNOLO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

October 25, 2022 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 23, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other

September 1, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted

September 1, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

August 31, 2022 EX-99.1

SEAGATE TECHNOLOGY REVISES FISCAL FIRST QUARTER 2023 OUTLOOK

Exhibit 99.1 Press Release Media Contact: Gregory Belloni (415) 235-9092 [email protected] Investor Relations Contact: Shanye Hudson (510) 661-1600 [email protected] SEAGATE TECHNOLOGY REVISES FISCAL FIRST QUARTER 2023 OUTLOOK FREMONT, CA. ? August 31, 2022 - Seagate Technology Holdings plc (NASDAQ: STX) (the ?Company? or ?Seagate?), a world leader in data storage and infrastruct

August 31, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 31, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

August 24, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 23, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other Jurisdiction of Inco

August 24, 2022 EX-99.1

SEAGATE APPOINTS RICK CLEMMER TO THE BOARD OF DIRECTORS

Exhibit 99.1 Media Contact: Gregory Belloni (415) 235-9092 [email protected] Investor Relations Contact: Shanye Hudson (510) 661-1600 [email protected] SEAGATE APPOINTS RICK CLEMMER TO THE BOARD OF DIRECTORS FREMONT, Calif. ? August 24, 2022 - Seagate Technology Holdings plc (NASDAQ: STX), a world leader in data storage and infrastructure solutions, today announced that Richard (

August 19, 2022 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 18, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

August 5, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended July 1, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended July 1, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PU

August 5, 2022 EX-10.45+

Amended Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Restricted Share Unit Agreement

EXHIBIT 10.45+ Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Restricted Share Unit Agreement 1.Grant of Restricted Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Restricted Share Units set fo

August 5, 2022 EX-21.1

List of Subsidiaries

Exhibit 21.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY SUBSIDIARIES AS OF JULY 1, 2022 Seagate Technology Holdings Public Limited Company Ireland Seagate Technology Unlimited Company Ireland Seagate Technology Cayman Seagate Technology (Dublin Branch) Ireland Seagate Systems Ireland Limited Ireland Seagate Data Storage Technology Cayman Seagate HDD Cayman Cayman Seagate Technology (US) Ho

July 21, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 21, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

July 21, 2022 EX-99.1

GAAP Non-GAAP FQ4 2022 FQ4 2021 FQ4 2022 FQ4 2021 Revenue ($M) $ 2,628 $ 3,013 $ 2,628 $ 3,013 Gross Margin 28.9% 29.4% 29.3% 29.6% Operating Margin 13.7% 16.8% 16.1% 18.1% Net Income ($M) $ 276 $ 482 $ 345 $ 466 Diluted Earnings Per Share $ 1.27 $ 2

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FOURTH QUARTER AND FISCAL YEAR 2022 FINANCIAL RESULTS Fiscal Q4 2022 Highlights ?Revenue of $2.63 billion ?GAAP gross margin of 28.9%; non-GAAP gross margin of 29.3% ?GAAP diluted earnings per share (E

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (

SD 1 d270758dsd.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of the registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 38/39

May 31, 2022 EX-1.01

Conflict Minerals Report

Exhibit 1.01 SEAGATE TECHNOLOGY HOLDINGS PLC CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD FROM JANUARY 1 TO DECEMBER 31, 2021 INTRODUCTION This Conflict Minerals Report (?Report?) for Seagate Technology Holdings public limited company (together with its subsidiaries, the ?Company,? ?Seagate,? ?we,? ?us? or ?our?) is provided in accordance with Rule 13p-1 under the Securities Exchange Act of 1

April 28, 2022 EX-10.3

Eighth Amended and Restated Seagate Technology Executive Severance and Change in Control Plan

EXHIBIT 10.3 EIGHTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN SECTION 1.INTRODUCTION. THE EIGHTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN (the ?Plan? or ?Severance and CIC Plan?) was originally approved by the Board of Directors of SEAGATE TECHNOLOGY, a Cayman Islands company (the ?Company?) on A

April 28, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 1, 2022 ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 1, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

April 28, 2022 EX-10.1

Retention Letter, dated February 3, 2022 by and between Seagate and Gianluca Romano

EXHIBIT 10.1 Date: 01/31/2022 To: Gianluca Romano, GID 716905 From: Dave Mosley Subject: Retention Compensation Package Seagate is pleased to offer you, per the terms of this letter (the ?Agreement?), the following changes to your compensation at Seagate effective January 31, 2022 (?Effective Date?). ?Your annualized base salary will be $715,000, subject to local payroll practices and applicable t

April 28, 2022 EX-10.2

Seagate Technology Holdings plc Executive Bonus Plan

EXHIBIT 10.2 SEAGATE TECHNOLOGY HOLDINGS PLC EXECUTIVE PERFORMANCE BONUS PLAN Effective as of July 2, 2022 The objectives of the Seagate Technology Holdings plc Executive Performance Bonus Plan (the ?EPB,? as further defined in Section 1.12) are to motivate and reward the Company?s Executive Officers and other eligible executives of the Company and its affiliates to produce results that increase s

April 27, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

April 27, 2022 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) April 1, 2022 July 2, 2021 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 1,138 $ 1,209 Accounts receivable, net 1,344 1,158 Inventories 1,479 1,204 O

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL THIRD QUARTER 2022 FINANCIAL RESULTS ?Revenue of $2.8 billion ?GAAP diluted earnings per share (EPS) of $1.56; non-GAAP diluted EPS of $1.81 ?Cash flow from operations of $460 million and free c

March 30, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 25, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other Jurisdiction of Incor

February 24, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 22, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other Jurisdiction of In

February 10, 2022 SC 13G/A

STX / Seagate Technology PLC / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Seagate Technology Holdings plc Title of Class of Securities: Common Stock CUSIP Number: G7997R103 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedul

February 9, 2022 SC 13G/A

STX / Seagate Technology PLC / Clearbridge Investments, LLC Passive Investment

CUSIP NO. G7945M107 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 11)* SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7945M107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires

January 28, 2022 SC 13G

STX / Seagate Technology PLC / JPMORGAN CHASE & CO - FILING SEAGATE TECHNOLOGY HOLDINGS PLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SEAGATE TECHNOLOGY HOLDINGS PLC (Name of Issuer) Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) G7997R103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to d

January 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

January 26, 2022 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) December 31, 2021 July 2, 2021 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 1,535 $ 1,209 Accounts receivable, net 1,399 1,158 Inventories 1,287 1,2

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL SECOND QUARTER 2022 FINANCIAL RESULTS ?Revenue of $3.12 billion ?GAAP operating margin of 18.6%; non-GAAP operating margin of 19.9% ?GAAP diluted earnings per share (EPS) of $2.23; non-GAAP dilu

January 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

January 25, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 24, 2022 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact Name of Registrant as Specified in Charter) Ireland 001-31560 98-1597419 (State or Other Jurisdiction of Inc

January 25, 2022 EX-99.1

SEAGATE APPOINTS YOLANDA LEE CONYERS TO THE BOARD OF DIRECTORS

EXHIBIT 99.1 Press Release Media Contact: Gregory Belloni (415) 235-9092 [email protected] Investor Relations Contact: Shanye Hudson (510) 390-5707 [email protected] SEAGATE APPOINTS YOLANDA LEE CONYERS TO THE BOARD OF DIRECTORS FREMONT, Calif. ? January 25, 2022 - Seagate Technology Holdings plc (NASDAQ: STX), a world leader in data storage and infrastructure solutions, today an

October 28, 2021 EX-10.6

, 2021 to the Credit Agreement as of February 20, 2019

EXHIBIT 10.6 FIFTH AMENDMENT AND JOINDER AGREEMENT THIS FIFTH AMENDMENT AND JOINDER AGREEMENT, dated as of October 14, 2021 (this ?Amendment?), to the Existing Credit Agreement referred to below, is among SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY, a public limited company incorporated under the laws of Ireland (?STX?), SEAGATE HDD CAYMAN, an exempted company incorporated with limited liab

October 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended October 1, 2021 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended October 1, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 98-1597419 (State or other jurisdiction of (I.

October 26, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 20, 2021 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

October 22, 2021 EX-99.1

SEAGATE TECHNOLOGY HOLDINGS PLC CONDENSED CONSOLIDATED BALANCE SHEETS (In millions) October 1, 2021 July 2, 2021 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 991 $ 1,209 Accounts receivable, net 1,301 1,158 Inventories 1,188 1,204 O

EX-99.1 2 stxq122pressreleasefinanci.htm EX-99.1 Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FISCAL FIRST QUARTER 2022 FINANCIAL RESULTS –Revenue of $3.12 billion –GAAP operating margin of 18.8%; non-GAAP operating margin of 20.1% –GAAP diluted

October 22, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2021 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

October 20, 2021 EX-10.4

Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Executive Performance Share Unit Agreement

Exhibit 10.4 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 2022 EQUITY INCENTIVE PLAN EXECUTIVE PERFORMANCE SHARE UNIT AGREEMENT 1. Grant of Performance Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Performance Share

October 20, 2021 EX-4.1

Constitution of Seagate Technology Holdings public limited company as of May 18, 2021 (as amended by special resolution dated May 14, 2021)

Exhibit 4.1 Companies Act 2014 A PUBLIC LIMITED COMPANY CONSTITUTION ?of? SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Amended by Special Resolution dated 14 May 2021) Companies Act 2014 A PUBLIC LIMITED COMPANY MEMORANDUM OF ASSOCIATION ?of? SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 1. The name of the Company is Seagate Technology Holdings public limited company. 2. The Company is

October 20, 2021 EX-10.1

Seagate Technology Holdings plc 2022 Equity Incentive Plan

Exhibit 10.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 2022 EQUITY INCENTIVE PLAN Adopted by Board on July 27, 2021 Initially approved by Shareholders on October 20, 2021 Termination Date: October 20, 2031 TABLE OF CONTENTS Page I. PURPOSES 1 II. DEFINITIONS 1 2.1 ?Affiliate? 1 2.2 ?Applicable Law? 1 2.3 ?Beneficial Owner? 1 2.4 ?Board? 1 2.5 ?Change of Control? 1 2.6 ?Code? 2 2.7 ?Commit

October 20, 2021 EX-10.5

Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Option Agreement

Exhibit 10.5 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 2022 EQUITY INCENTIVE PLAN OPTION AGREEMENT 1. Grant of Option. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to the Participant named in Section 2 below (the ?Participant?) an option (the ?Option?) to purchase the number of the Compan

October 20, 2021 EX-10.3

Form of Employee Restricted Share Unit Agreement for Seagate Technology Holdings public limited company pursuant to the 2022 Equity Incentive Plan (includes Compensation Recovery Policy

Exhibit 10.3 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 2022 EQUITY INCENTIVE PLAN RESTRICTED SHARE UNIT AGREEMENT 1. Grant of Restricted Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Restricted Share Units set for

October 20, 2021 EX-10.2

Seagate Technology Holdings public limited company 2022 Equity Incentive Plan Restricted Share Unit Agreement (Outside Directors)

Exhibit 10.2 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY 2022 EQUITY INCENTIVE PLAN RESTRICTED SHARE UNIT AGREEMENT (OUTSIDE DIRECTORS) 1. Grant of Restricted Share Units. Seagate Technology Holdings public limited company, a public limited company incorporated under the laws of Ireland (the ?Company?), hereby grants to you (the Participant named in Section 2 below) the number of Restricted

October 20, 2021 S-8

As filed with the Securities and Exchange Commission on October 20, 2021

As filed with the Securities and Exchange Commission on October 20, 2021 Registration No.

October 15, 2021 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 14, 2021 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of

August 30, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitte

August 30, 2021 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

August 6, 2021 EX-4.2

Specimen Ordinary Share Certificate

Exhibit 4.2 Exhibit 4.2

August 6, 2021 EX-3.1

Certificate of Incorporation of Seagate Technology Holdings plc

Exhibit 3.1 Number: 606203 Certificate of Incorporation PLC - Public Limited Company I hereby certify that SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY formerly registered as LTD - Private Company Limited by Shares has this day been re-registered under the Companies Act 2014 as PLC - Public Limited Company Given under my hand at Dublin, this Tuesday 16 February 2021 for Registrar of Companie

August 6, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended July 2, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended July 2, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number 001-31560 SEAGATE TECHNOLOGY HOLDINGS PU

August 6, 2021 EX-21.1

List of Subsidiaries

Exhibit 21.1 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY SUBSIDIARIES AS OF JULY 2, 2021 Seagate Technology Holdings Public Limited Company Ireland Seagate Technology plc - re-registered as Seagate Technology Unlimited Company on July 5, 2021 Ireland Seagate Technology Cayman Seagate Technology (Dublin Branch) Ireland Seagate Systems Ireland Limited Ireland Seagate Data Storage Technology C

August 6, 2021 EX-10.13

Summary description of Seagate Technology plc’s Compensation Policy for Non-Management Members of the Board of Directors with an Effective date of October 22, 2020

Exhibit 10.13+ Seagate Technology plc FY2021 Non-Management Board Member Compensation As approved by the Board of Directors on August 6, 2020, with an effective date of October 22, 2020 Director Share Grants ?Unless otherwise determined by the Board, each newly appointed or elected non-management director will receive an initial restricted share unit grant equal in number to $275,000 divided by th

August 6, 2021 EX-4.1

Description of Securities

Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1943 The following description of the ordinary shares of Seagate Technology Holdings plc (?us?, ?our?, ?we?, or the ?Company?) is a summary. This summary is not complete and is subject to and qualified in its entirety by reference to the complete text of our Constitution previously filed with

August 6, 2021 EX-10.37

Seventh Amended and Restated Seagate Technology Executive Severance and Change in Control Plan

Exhibit 10.37+ SEVENTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN SECTION 1.INTRODUCTION. THE SEVENTH AMENDED AND RESTATED SEAGATE TECHNOLOGY EXECUTIVE SEVERANCE AND CHANGE IN CONTROL (CIC) PLAN (the ?Plan? or ?Severance and CIC Plan?) was originally approved by the Board of Directors of SEAGATE TECHNOLOGY, a Cayman Islands company (the ?Company?)

July 21, 2021 EX-99.1

GAAP Non-GAAP FQ4 2021 FQ4 2020 FQ4 2021 FQ4 2020 Revenue ($M) $ 3,013 $ 2,517 $ 3,013 $ 2,517 Gross Margin 29.4 % 26.5 % 29.6 % 27.3 % Operating Margin 16.8 % 10.6 % 18.1 % 14.8 % Net Income ($M) $ 482 $ 166 $ 466 $ 311 Diluted Earnings Per Share $

Exhibit 99.1 Investor Relations Contact: Shanye Hudson, (510) 661-1600 [email protected] Media Contact: Gregory Belloni, (415) 235-9092 [email protected] SEAGATE TECHNOLOGY REPORTS FOURTH QUARTER AND FISCAL YEAR 2021 FINANCIAL RESULTS Fiscal Q4 2021 Highlights ?Revenue of $3.01 billion ?GAAP operating margin of 16.8%; non-GAAP operating margin of 18.1% ?GAAP diluted earnings per

July 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 21, 2021 SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY (Exact name of registrant as specified in its charter) Ireland 001-31560 98-1597419 (State or other jurisdiction of (Commission File Number) (I.

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