CIEN / Ciena Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Ciena Corporation
US ˙ NYSE ˙ US1717793095

Mga Batayang Estadistika
LEI W0CZ7N0GH8UIGXDM1H41
CIK 936395
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 Ciena Corporation
SEC Filings (Chronological Order)
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September 4, 2025 EX-99.1

Ciena Reports Fiscal Third Quarter 2025 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2025 Financial Results HANOVER, Md.

September 4, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 2, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

September 4, 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): September 4, 2025 Ciena Corporation

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): September 4, 2025 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 4, 2025 EX-99.2

© Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q3 2025 Earnings Presentation Period ended August 2, 2025 September 4, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forw

ex9922025q3earningsprese © Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q3 2025 Earnings Presentation Period ended August 2, 2025 September 4, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we rout

June 18, 2025 EX-10.1

Annex A Overview of Applicable Relocation Benefits

Ciena Corporation 7035 Ridge Road Hanover, Maryland 21076 www.ciena.com June 6, 2025 Marc D. Graff 17980 SW Snowberry Court Sherwood, Oregon 97140 Dear Marc, On behalf of the entire leadership team and the Board of Directors, it is with great enthusiasm that we extend this offer to you to join Ciena as our next Chief Financial Officer. It is our people that help make Ciena a great place to work an

June 18, 2025 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): June 18, 2025 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

June 18, 2025 EX-99.1

Ciena Appoints Marc D. Graff as Senior Vice President and Chief Financial Officer

FOR IMMEDIATE RELEASE Ciena Appoints Marc D. Graff as Senior Vice President and Chief Financial Officer HANOVER, Md. – June 18, 2025 – Ciena® Corporation (NYSE: CIEN), the global leader in high-speed connectivity, today announced the appointment of Marc D. Graff as Senior Vice President and Chief Financial Officer (CFO) effective August 1, 2025. Reporting to President and CEO Gary B. Smith as a me

June 5, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 3, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 5, 2025 EX-99.1

Ciena Reports Fiscal Second Quarter 2025 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2025 Financial Results HANOVER, Md.

June 5, 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): June 5, 2025 Ciena Corporation (Exa

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): June 5, 2025 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

June 5, 2025 EX-99.2

© Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q2 2025 Earnings Presentation Period ended May 3, 2025 June 5, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forward-look

ex9922025q2earningsprese © Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q2 2025 Earnings Presentation Period ended May 3, 2025 June 5, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely po

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-36250 (Commission file number) 23-2725311 (I.R.S. Employer Identification No.) 7035 Ridge Road, Hanover, MD (Address of principal executive o

May 30, 2025 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2024 to December 31, 2024 This Conflict Minerals Report (this “Report”) of Ciena Corporation (“Ciena” or “we”) has been prepared pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2024 to December 31, 2024. The

April 1, 2025 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): March 27, 2025 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 12, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 1, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

March 11, 2025 EX-99.2

© Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q1 2025 Earnings Presentation Period ended February 1, 2025 March 11, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forwa

© Ciena Corporation 2025. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q1 2025 Earnings Presentation Period ended February 1, 2025 March 11, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely post press releases,

March 11, 2025 8-K

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): March 11, 2025 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 11, 2025 EX-99.1

Ciena Reports Fiscal First Quarter 2025 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2025 Financial Results HANOVER, Md.

February 13, 2025 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

February 13, 2025 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

January 21, 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, 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 17, 2025 Ciena Corporation (Exact Name of Registrant as Specified in Its Charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

January 21, 2025 EX-10.1

Refinancing Amendment to Credit Agreement, dated January 17, 2025, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc., Bank of America, N.A., as administrative agent, and the lenders party thereto.

Exhibit 10.1 Execution Version REFINANCING AMENDMENT TO CREDIT AGREEMENT REFINANCING AMENDMENT TO CREDIT AGREEMENT, dated as of January 17, 2025 (this “Amendment”), by and among Ciena Corporation, a Delaware corporation (the “Borrower”), the other Loan Parties party hereto, the Refinancing Term Lenders (as defined below) (which constitute the Required Lenders) and Bank of America, N.A., as adminis

December 20, 2024 EX-21.1

Subsidiaries of registrant

EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Canada ULC Canada Ciena Switzerland GMBH Switzerland Ciena Global Holding, LP Scotland

December 20, 2024 EX-10.5

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2024)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

December 20, 2024 EX-19.1

Ciena Corporation Insider Trading Policy

Ciena Corporation Insider Trading Policy Rev. D (February 2023) Purpose We are entrusted with a great deal of sensitive information at Ciena. Our goal is to ensure that access to this information is used to perform our jobs, understand our business and financial performance and promote our strategy. Our culture thrives on this sense of a shared mission and we intend to keep it that way. Because of

December 20, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended November 2, 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 001-36250

December 12, 2024 EX-99.2

© Ciena Corporation 2024. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q4 2024 Earnings Presentation Period ended November 2, 2024 December 12, 2024 © Ciena Corporation 2024. All rights reserved. Proprietary Information.2 Fo

EX-99.2 4 ex9922024q4earningsprese.htm EX-99.2 © Ciena Corporation 2024. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q4 2024 Earnings Presentation Period ended November 2, 2024 December 12, 2024 © Ciena Corporation 2024. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of ou

December 12, 2024 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2024 Financial Results

EX-99.1 3 ex9912024q4earningspressre.htm EX-99.1 FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2024 Financial Results HANOVER, Md. - December 12, 2024 - Ciena® Corporation (NYSE: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal fourth quarter ended November 2, 2024. •Q4 Revenue: $1.12 billion •Q4 Net Income per Share

December 12, 2024 EX-3.1

Amended and Restated Bylaws of Ciena Corporation

AMENDED AND RESTATED BYLAWS OF CIENA CORPORATION (Amended and Restated December 11, 2024) ARTICLE I Stockholders Section 1.

December 12, 2024 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a8-k2024q4earningsresults.htm 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): December 12, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or o

December 12, 2024 EX-99.3

Ciena Announces Lawton W. Fitt as Independent Chair of Board of

EX-99.3 5 ex993pressrelease241212.htm EX-99.3 FOR IMMEDIATE RELEASE Ciena Announces Lawton W. Fitt as Independent Chair of Board of Directors HANOVER, Md. – December 12, 2024 – Ciena® Corporation (NYSE: CIEN) announced the appointment of Lawton W. Fitt as independent Chair of Ciena's Board of Directors, effective December 11, 2024. Concurrently, Patrick H. Nettles, Ph.D., stepped down as Executive

October 2, 2024 EX-99.1

Ciena Announces $1 Billion Share Repurchase Authorization

FOR IMMEDIATE RELEASE Ciena Announces $1 Billion Share Repurchase Authorization HANOVER, Md.

October 2, 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): October 2, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 4, 2024 EX-99.1

Ciena Reports Fiscal Third Quarter 2024 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2024 Financial Results HANOVER, Md.

September 4, 2024 8-K

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): September 4, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 4, 2024 EX-99.3

Ciena CFO James E. Moylan to Retire in August 2025

FOR IMMEDIATE RELEASE Ciena CFO James E. Moylan to Retire in August 2025 September 4, 2024 – Ciena® Corporation (NYSE: CIEN) today announced that James E. Moylan, Jr., Senior Vice President and Chief Financial Officer (CFO), plans to retire in twelve months, effective August 28, 2025. Ciena intends to commence a search process to identify a successor. Mr. Moylan will continue to serve as CFO until

September 4, 2024 EX-99.2

© Ciena Corporation 2024. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q3 2024 Earnings Presentation Period ended July 27, 2024 September 4, 2024 © Ciena Corporation 2024. All rights reserved. Proprietary Information.2 Forwa

© Ciena Corporation 2024. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q3 2024 Earnings Presentation Period ended July 27, 2024 September 4, 2024 © Ciena Corporation 2024. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely post press releases,

September 4, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 27, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 27, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 6, 2024 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): June 6, 2024 Ciena Corporation (Exa

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): June 6, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

June 6, 2024 EX-99.1

Ciena Reports Fiscal Second Quarter 2024 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2024 Financial Results HANOVER, Md.

June 6, 2024 EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q2 2024 Earnings Presentation Period ended April 27, 2024 June 6, 2024 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2 Forward-l

ex9922024q2earningsprese © Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q2 2024 Earnings Presentation Period ended April 27, 2024 June 6, 2024 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely

June 6, 2024 EX-3.1

Fifth Restated Certificate of Incorporation of Ciena Corporation, filed with the Secretary of State of Delaware on June 4, 2024

FIFTH RESTATED CERTIFICATE OF INCORPORATION OF CIENA CORPORATION Ciena Corporation, a corporation organized and existing under the laws of the state of Delaware, hereby certifies as follows: 1.

May 30, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-36250 (Commission file number) 23-2725311 (I.R.S. Employer Identification No.) 7035 Ridge Road, Hanover, MD (Address of principal executive o

May 30, 2024 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2023 to December 31, 2023 This Conflict Minerals Report (this “Report”) of Ciena Corporation (“Ciena” or “we”) has been prepared pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2023 to December 31, 2023. The

April 23, 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 22, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

April 18, 2024 EX-FILING FEES

Filing Fee Table

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Ciena Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity  Common Stock, par value $0.

April 18, 2024 S-8

As filed with the Securities and Exchange Commission on April 18, 2024

As filed with the Securities and Exchange Commission on April 18, 2024 Registration No.

March 26, 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): March 21, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 26, 2024 EX-10.1

Amendment No. 2 to Ciena Corporation 2017 Omnibus Incentive Plan*, effective as of March 21, 2024

AMENDMENT NO. 2 TO CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN THIS AMENDMENT NO. 2 (this “Amendment”) to the Ciena Corporation 2017 Omnibus Incentive Plan (the “Plan”), which (i) increases the number of shares available for issuance under the Plan by ten million, one hundred thousand (10,100,000) shares and (ii) to increase the recoupment period for misconduct relating to accounting restatement

March 7, 2024 8-K

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): March 7, 2024 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 7, 2024 EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q1 2024 Earnings Presentation Period ended January 27, 2024 March 7, 2024 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2 Forwar

© Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q1 2024 Earnings Presentation Period ended January 27, 2024 March 7, 2024 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely post press releases,

March 7, 2024 EX-99.1

Ciena Reports Fiscal First Quarter 2024 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2024 Financial Results HANOVER, Md.

March 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 27, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

February 13, 2024 SC 13G/A

CIEN / Ciena Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0604-cienacorp.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: Ciena Corp Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule purs

February 8, 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 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the a

Table of Contents 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)) ☒ De

February 8, 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

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

January 29, 2024 PRE 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

Table of Contents 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)) ☐ Defi

December 15, 2023 EX-10.3

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2023)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

December 15, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 28, 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 001-36250

December 15, 2023 EX-21.1

Subsidiaries of registrant

EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Global Products Company, LTD United Kingdom Ciena Canada ULC Canada Ciena Switzerland GMBH Switzerland Ciena Global Holding, LP Scotland

December 15, 2023 EX-97.1

Ciena Corporation Executive Compensation Clawback Policy

EXHIBIT 97.1 CIENA CORPORATION EXECUTIVE COMPENSATION CLAWBACK POLICY 1.Purpose. The purpose of this Policy is to set forth the circumstances under which Executive Officers of the Company will be required to repay or return certain Excess Awarded Compensation to one or more members of the Company Group. The Board of Directors has adopted this Policy in accordance with the Clawback Rule and the Lis

December 7, 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): December 7, 2023 Ciena Corporation

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 7, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

December 7, 2023 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2023 Financial Results Annual revenue increased 21%

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2023 Financial Results Annual revenue increased 21% HANOVER, Md.

December 7, 2023 EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q4 and 2023 Earnings Presentation Period ended October 28, 2023 December 7, 2023 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2

ex9922023q4earningsprese © Ciena Corporation 2023. All rights reserved. Proprietary Information. Ciena Corporation Fiscal Q4 and 2023 Earnings Presentation Period ended October 28, 2023 December 7, 2023 © Ciena Corporation 2023. All rights reserved. Proprietary Information.2 Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we

October 25, 2023 EX-10.1

Incremental Amendment Agreement, dated October 24, 2023, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc., Bank of America, N.A., as administrative agent, and the lenders party thereto.++

Exhibit 10.1 Execution Version INCREMENTAL AMENDMENT AGREEMENT INCREMENTAL AMENDMENT AGREEMENT, dated as of October 24, 2023 (this “Amendment”), by and among Ciena Corporation, a Delaware corporation (the “Borrower”), the other Loan Parties party hereto, the New 2023 Incremental Term Lenders (as defined below), the Revolving Credit Lenders (as defined below), the L/C Issuers (as defined below), th

October 25, 2023 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 24, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorpo

October 3, 2023 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): October 2, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

October 3, 2023 EX-99.1

Ciena Appoints Dino DiPerna and Brodie Gage to Executive Leadership Team

FOR IMMEDIATE RELEASE Ciena Appoints Dino DiPerna and Brodie Gage to Executive Leadership Team HANOVER, Md.

September 6, 2023 EX-10.3

Form of Market Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2023)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN MARKET STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants market stock units relating to shares of its common stock, $0.

September 6, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 29, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

September 6, 2023 EX-10.1

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

September 6, 2023 EX-10.4

Ciena Corporation Amended and Restated Incentive Bonus Plan, as amended August 22, 2023*

CIENA CORPORATION INCENTIVE BONUS PLAN (Amended and Restated as of August 22, 2023) 1.

September 6, 2023 EX-10.2

Form of Performance Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2023)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants performance stock units relating to shares of its common stock, $0.

August 31, 2023 8-K

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): August 31, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

August 31, 2023 EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended July 29, 2023 August 31, 2023 Earnings Presentation 2© Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statem

© Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended July 29, 2023 August 31, 2023 Earnings Presentation 2© Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking statements. These s

August 31, 2023 EX-99.3

Ciena Appoints Mary G. Puma to Board of Directors

FOR IMMEDIATE RELEASE Ciena Appoints Mary G. Puma to Board of Directors HANOVER, Md. – August 31, 2023 – Ciena (NYSE: CIEN) today announced that Mary G. Puma has been appointed to its Board of Directors, effective immediately. Ms. Puma previously served as President and Chief Executive Officer of Axcelis Technologies, Inc., a publicly held company engaged in the supply of capital equipment for the

August 31, 2023 EX-99.1

Ciena Reports Fiscal Third Quarter 2023 Financial Results Revenue increased 23% year-over-year

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2023 Financial Results Revenue increased 23% year-over-year HANOVER, Md.

June 9, 2023 SC 13G/A

CIEN / CIENA Corp. / 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.: 11)* Name of issuer: Ciena Corp. Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: May 31, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(

June 7, 2023 EX-10.2

Form of Director Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

June 7, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 29, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 6, 2023 EX-99.1

Ciena Reports Fiscal Second Quarter 2023 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2023 Financial Results HANOVER, Md.

June 6, 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): June 6, 2023 Ciena Corporation (Exa

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): June 6, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

June 6, 2023 EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended April 29, 2023 June 6, 2023 Earnings Presentation 2© Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statemen

a2023q2earningspresentat © Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended April 29, 2023 June 6, 2023 Earnings Presentation 2© Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-look

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-36250 (Commission File Number) 23-2725311 (I.R.S. Employer Identification No.) 7035 Ridge Road, Hanover, MD (Address of principal executive o

May 31, 2023 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2022 to December 31, 2022 This Conflict Minerals Report (this “Report”) of Ciena Corporation (“Ciena” or “we”) has been prepared pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2022 to December 31, 2022. The

April 6, 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 6, 2023 Ciena Corporation (Ex

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 6, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

April 6, 2023 EX-99.1

Ciena Reaffirms Fiscal Second Quarter and Full Year 2023 Guidance

EX-99.1 Exhibit 99.1 Press Contact: Nicole Anderson Ciena Corporation +1 (410) 694-5786 [email protected] Investor Contact: Gregg Lampf Ciena Corporation +1 (410) 694-5700 [email protected] FOR IMMEDIATE RELEASE Ciena Reaffirms Fiscal Second Quarter and Full Year 2023 Guidance HANOVER, Md. – April 6, 2023 - Ciena® Corporation (NYSE: CIEN), a networking systems, services and software company, today announced

April 3, 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 30, 2023 Ciena Corporation (E

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 30, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 28, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

March 6, 2023 EX-99.2

Copyright © Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended January 28, 2023 March 6, 2023 Earnings Presentation 2Copyright © Ciena Corporation 2023. All rights reserved. Proprietary information. F

ex9922023q1earningsprese Copyright © Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended January 28, 2023 March 6, 2023 Earnings Presentation 2Copyright © Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a

March 6, 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 6, 2023 Ciena Corporation (Ex

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 6, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 6, 2023 EX-99.1

Ciena Reports Fiscal First Quarter 2023 Financial Results Revenue increased 25% year-over-year

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2023 Financial Results Revenue increased 25% year-over-year HANOVER, Md.

March 3, 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

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 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 Pro

February 16, 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

Table of Contents 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)) ☒ Defi

February 16, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

February 15, 2023 EX-10.1

First Amendment to ABL Credit Agreement, dated February 10, 2023, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., and Ciena Canada ULC, as borrowers, Ciena Communications International, LLC and Blue Planet Software, Inc., as guarantors, the lenders party thereto, and Bank of America, N.A., as administrative agent.

Exhibit 10.1 FIRST AMENDMENT TO ABL CREDIT AGREEMENT This FIRST AMENDMENT TO ABL CREDIT AGREEMENT (this “Agreement”) is entered into as of February 10, 2023, by and among Ciena Corporation, a Delaware corporation (the “Company”), Ciena Communications, Inc., a Delaware corporation (“CCI”), Ciena Government Solutions, Inc., a Delaware corporation (“CGSI” and, together with the Company and CCI, colle

February 15, 2023 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): February 10, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

February 9, 2023 SC 13G/A

CIEN / Ciena Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0581-cienacorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Ciena Corp. Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pur

January 27, 2023 EX-3.1

Amended and Restated Bylaws of Ciena Corporation

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF CIENA CORPORATION (Amended and Restated January 26, 2023) ARTICLE I Stockholders Section 1. Annual Meeting. If required by applicable law, an annual meeting of the stockholders of the Corporation shall be held on such date, at such time and at such place, if any, within or without the State of Delaware as may be designated by the Board of Directors, for t

January 27, 2023 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): January 26, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

January 24, 2023 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): January 24, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

January 23, 2023 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, 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 19, 2023 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

January 23, 2023 EX-10.1

Incremental Joinder and Amendment Agreement, dated January 19, 2023, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc., Bank of America, N.A., as administrative agent, and the lenders party thereto.++

Exhibit 10.1 EXECUTION VERSION INCREMENTAL JOINDER AND AMENDMENT AGREEMENT INCREMENTAL JOINDER AND AMENDMENT AGREEMENT, dated as of January 19, 2023 (this “Amendment”), by and among Ciena Corporation, a Delaware corporation (the “Borrower”), the other Loan Parties party hereto, the 2023 Incremental Term Lenders (as defined below) and Bank of America, N.A., as administrative agent (in such capacity

December 16, 2022 EX-10.9

Form of Market Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2022)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN MARKET STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the ?Company?), hereby grants market stock units relating to shares of its common stock, $0.

December 16, 2022 EX-21.1

Subsidiaries of registrant

EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Global Products Company, LTD United Kingdom Ciena Canada ULC Canada Ciena Switzerland GMBH Switzerland Ciena Global Holding, LP Scotland

December 16, 2022 EX-10.8

Form of Performance Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2022)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the ?Company?), hereby grants performance stock units relating to shares of its common stock, $0.

December 16, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 29, 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 001-36250

December 16, 2022 EX-10.7

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan (revised 2022)*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the ?Company?), hereby grants restricted stock units (?Restricted Stock Units?) relating to shares of its common stock, $0.

December 8, 2022 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2022 and Year-End Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2022 and Year-End Financial Results HANOVER, Md.

December 8, 2022 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): December 8, 2022 Ciena Corporation

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 8, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

December 8, 2022 EX-99.2

Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended October 29, 2022 December 8, 2022 Earnings Presentation 2Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information

ex9922022q4earningsprese Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended October 29, 2022 December 8, 2022 Earnings Presentation 2Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contai

November 22, 2022 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): November 22, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

November 22, 2022 EX-99.1

Ciena Makes Strategic Acquisitions in Fiber Broadband Access to Further Address Growing Opportunity at the Network Edge Announces Intent to Acquire Tibit Communications and Acquisition of Benu Networks

FOR IMMEDIATE RELEASE Ciena Makes Strategic Acquisitions in Fiber Broadband Access to Further Address Growing Opportunity at the Network Edge Announces Intent to Acquire Tibit Communications and Acquisition of Benu Networks HANOVER, Md.

September 7, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 30, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

September 1, 2022 8-K

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): September 1, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 1, 2022 EX-99.1

Ciena Reports Fiscal Third Quarter 2022 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2022 Financial Results HANOVER, Md.

September 1, 2022 EX-99.2

Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended July 30, 2022 September 1, 2022 Earnings Presentation 2Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information.

Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended July 30, 2022 September 1, 2022 Earnings Presentation 2Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looki

June 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 30, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 2, 2022 EX-99.1

Ciena Reports Fiscal Second Quarter 2022 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2022 Financial Results HANOVER, Md.

June 2, 2022 EX-99.2

Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended April 30, 2022 June 2, 2022 Earnings Presentation 2Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Forw

Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended April 30, 2022 June 2, 2022 Earnings Presentation 2Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking s

June 2, 2022 8-K

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): June 2, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

May 31, 2022 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2021 to December 31, 2021 This Conflict Minerals Report (this ?Report?) of Ciena Corporation (?Ciena? or ?we?) has been prepared pursuant to Rule 13p-1 (the ?Rule?) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2021 to December 31, 2021. The

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organizat

SD 1 formsd-2022.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-36250 (Commission File Number) 23-2725311 (I.R.S. Employer Identification No.) 7035 Ridge Road, Hanover, MD (Address

April 20, 2022 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): March 31, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 29, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

March 7, 2022 8-K

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): March 7, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 7, 2022 EX-99.2

Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended January 29, 2022 March 7, 2022 Earnings Presentation 2Copyright © Ciena Corporation 2022. All rights reserved. Proprietary information. F

Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Ciena Corporation Period ended January 29, 2022 March 7, 2022 Earnings Presentation 2Copyright ? Ciena Corporation 2022. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-lookin

March 7, 2022 EX-99.1

Ciena Reports Fiscal First Quarter 2022 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2022 Financial Results HANOVER, Md.

February 15, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 o Check the appropriate box: o Preliminary Proxy Statement o Confide

February 15, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 S

February 15, 2022 EX-99.1

APPENDIX A - Reconciliation of Expected Adjusted (Non- GAAP) Measures for the Fiscal First Quarter of 2022 Low End High End Of Range Of Range Gross Margin Percentage Reconciliation (GAAP/non-GAAP) (%) Expected GAAP gross margin percentage 44.0% 45.0%

FOR IMMEDIATE RELEASE Ciena Announces Preliminary Fiscal First Quarter 2022 Results HANOVER, Md.

February 15, 2022 8-K

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): February 15, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

February 9, 2022 SC 13G/A

CIEN / Ciena Corporation / 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.: 9)* Name of issuer: Ciena Corp. Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

January 18, 2022 EX-4.1

Indenture, dated as of January 18, 2022, by and among Ciena Corporation, the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee, including the Form of 4.00% Senior Notes due 2030 attached as Exhibit A thereto

Exhibit 4.1 Execution Version CIENA CORPORATION THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and U.S. BANK NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of January 18, 2022 4.00% Senior Notes due 2030 TABLE OF CONTENTS Page ARTICLE One DEFINITIONS AND INCORPORATION BY REFERENCE SECTION 1.01. Definitions 1 SECTION 1.02. Other Definitions 20 SECTION 1.03. Rules of Construction 20 SECTION

January 18, 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, 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 18, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) IRS Employer Identification No.

January 12, 2022 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): January 11, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

January 12, 2022 EX-99.1

Ciena Announces Pricing of $400 Million Senior Notes Private Offering

Press Contact: Jamie Moody Ciena Corporation +1 (214) 995-8035 [email protected] Investor Contact: Gregg Lampf Ciena Corporation +1 (410) 694-5700 [email protected] FOR IMMEDIATE RELEASE Ciena Announces Pricing of $400 Million Senior Notes Private Offering HANOVER, Md. ? January 11, 2022 ? Ciena Corporation (NYSE: CIEN) (?Ciena?) today announced that it has priced a private offering of $400 million in aggre

January 10, 2022 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): January 10, 2022 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

January 10, 2022 EX-99.1

Press Contact: Jamie Moody Ciena Corporation +1 (214) 995-8035 [email protected] Investor Contact: Gregg Lampf Ciena Corporation +1 (410) 694-5700 [email protected] FOR IMMEDIATE RELEASE Ciena Announces Launch of Senior Notes Private Offering HANOVER, Md. – Ja

Press Contact: Jamie Moody Ciena Corporation +1 (214) 995-8035 [email protected] Investor Contact: Gregg Lampf Ciena Corporation +1 (410) 694-5700 [email protected] FOR IMMEDIATE RELEASE Ciena Announces Launch of Senior Notes Private Offering HANOVER, Md. ? January 10, 2022 ? Ciena Corporation (NYSE: CIEN) (?Ciena?) today announced that it has commenced a private offering of Senior Notes due 2030 (the ?Note

December 17, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 30, 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 001-36250

December 17, 2021 EX-21.1

Subsidiaries of registrant

EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Global Products Company, LTD United Kingdom Ciena Canada ULC Canada Ciena Switzerland GMBH Switzerland Ciena Communications Singapore PTE. LTD. Singapore Ciena Global Holding, LP Scotland

December 14, 2021 EX-10.1

ASR Agreement, dated December 13, 2021, by and between Ciena Corporation and Goldman Sachs & Co. LLC

Exhibit 10.1 GOLDMAN SACHS & CO. LLC | 200 WEST STREET | NEW YORK, NEW YORK 10282-2198 | TEL: 212-902-1000 Opening Transaction To: Ciena Corporation 7035 Ridge Road Hanover, MD 21076 A/C: 052252608 From: Goldman Sachs & Co. LLC Re: Accelerated Stock Buyback Ref. No: As provided in the Supplemental Confirmation Date: December 13, 2021 This master confirmation (this ?Master Confirmation?), dated as

December 14, 2021 EX-99.1

Ciena Announces $250 Million Accelerated Share Repurchase Agreement

Exhibit 99.1 Ciena Announces $250 Million Accelerated Share Repurchase Agreement HANOVER, Md.? December 14, 2021 Ciena Corporation (NYSE: CIEN) (the ?Company?) today announced that it has entered into an accelerated share repurchase (ASR) agreement with Goldman Sachs & Co. LLC (?Goldman?) to repurchase $250.0 million of the Company?s common stock as part of the Company?s previously announced $1.0

December 14, 2021 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): December 13, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

December 9, 2021 8-K

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): December 9, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

December 9, 2021 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2021 and Year-End Financial Results Board Authorizes Share Repurchase up to $1.0 Billion

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2021 and Year-End Financial Results Board Authorizes Share Repurchase up to $1.

December 9, 2021 EX-99.2

Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended October 30, 2021 December 9, 2021 Earnings Presentation 2Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information

Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended October 30, 2021 December 9, 2021 Earnings Presentation 2Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-loo

November 3, 2021 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): October 31, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 8, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 31, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

September 2, 2021 8-K

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): September 2, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 2, 2021 EX-99.1

Ciena Reports Fiscal Third Quarter 2021 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2021 Financial Results HANOVER, Md.

September 2, 2021 EX-99.3

Ciena Expands Edge and 5G Capabilities with Acquisition of Vyatta Routing and Switching Technology from AT&T

FOR IMMEDIATE RELEASE Ciena Expands Edge and 5G Capabilities with Acquisition of Vyatta Routing and Switching Technology from AT&T HANOVER, Md.

September 2, 2021 EX-99.2

Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended July 31, 2021 September 2, 2021 Earnings Presentation 2Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information.

Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended July 31, 2021 September 2, 2021 Earnings Presentation 2Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looki

June 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 1, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (I.

June 3, 2021 EX-99.1

Ciena Reports Fiscal Second Quarter 2021 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2021 Financial Results HANOVER, Md.

June 3, 2021 EX-99.2

Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended May 1, 2021 June 3, 2021 Earnings Presentation 2Copyright © Ciena Corporation 2021. All rights reserved. Proprietary information. Forward

Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Ciena Corporation Period ended May 1, 2021 June 3, 2021 Earnings Presentation 2Copyright ? Ciena Corporation 2021. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking stat

June 3, 2021 8-K

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): June 3, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

May 28, 2021 EX-1.01

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

EX-1.01 2 ex101conflictminrprt2021.htm EX-1.01 Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2020 to December 31, 2020 This Conflict Minerals Report (this “Report”) of Ciena Corporation (“Ciena” or “we”) has been prepared pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period

May 28, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-36250 (Commission File Number) 23-2725311 (I.R.S. Employer Identification No.) 7035 Ridge Road, Hanover, MD (Address of principal executive o

April 21, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on April 21, 2021 Registration No.

April 6, 2021 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 1, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

April 6, 2021 EX-10.1

Amended and Restated Ciena Corporation Employee Stock Purchase Plan

AMENDED AND RESTATED CIENA CORPORATION EMPLOYEE STOCK PURCHASE PLAN The Board of Directors of Ciena Corporation (the ?Company?) has adopted this Amended and Restated 2003 Employee Stock Purchase Plan (the ?Plan?) to enable eligible employees of the Company and its participating Affiliates (as defined below), through payroll deductions, to purchase shares of the Company?s common stock, par value $0.

March 10, 2021 EX-10.1

Ciena Corporation Amended and Restated Incentive Bonus Plan, as amended February 23, 2021*

CIENA CORPORATION INCENTIVE BONUS PLAN (Amended and Restated as of February 23, 2021) 1.

March 10, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 30, 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 4, 2021 EX-99.2

Copyright © Ciena Corporation 2021. All rights reserved. Confidential & Proprietary. Ciena Corporation Period ended January 30, 2021 March 4, 2021 Earnings Presentation 2Copyright © Ciena Corporation 2021. All rights reserved. Confidential & Propriet

Copyright ? Ciena Corporation 2021. All rights reserved. Confidential & Proprietary. Ciena Corporation Period ended January 30, 2021 March 4, 2021 Earnings Presentation 2Copyright ? Ciena Corporation 2021. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-

March 4, 2021 8-K

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): March 4, 2021 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 4, 2021 EX-99.1

Ciena Reports Fiscal First Quarter 2021 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2021 Financial Results HANOVER, Md.

February 18, 2021 DEF 14A

Proposal No. 2 - Amendment

DEF 14A 1 d80516ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ap

February 18, 2021 DEFA14A

- DEFA14A

DEFA14A 1 def14anoticeofinternetavai.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropr

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Ciena Corp. Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

December 18, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 31, 2020 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 001-36250

December 18, 2020 EX-10.3

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

EX-10.3 3 ex103-2017rsuagree201218.htm EX-10.3 CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.01 par value (the “Stock”), to the individual named below as the Grantee, subject to the vesting and other t

December 18, 2020 EX-4.2

Description of Securities Registered Under Section 12 of the Securities Exchange Act of 1934

EX-4.2 2 ex42-descriptionofsecuriti.htm EX-4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of the date of the Annual Report on Form 10-K of which this exhibit forms a part, the only class of securities of Ciena Corporation (“Ciena”, “we” and “our”) registered under Section 12 of the Securities Exchange Act of 1934, as amend

December 18, 2020 EX-10.6

Form of Market Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN MARKET STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants market stock units relating to shares of its common stock, $0.

December 18, 2020 EX-10.5

Form of Performance Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants performance stock units relating to shares of its common stock, $0.

December 18, 2020 EX-21.1

Subsidiaries of registrant

EX-21.1 6 ex21120201031-subsidiaries.htm EX-21.1 EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Canada, Inc. Canada

December 10, 2020 EX-99.2

Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Ciena Corporation Period ended October 31, 2020 December 10, 2020 Earnings Presentation 2Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Prop

q420earningsxpresentati Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Ciena Corporation Period ended October 31, 2020 December 10, 2020 Earnings Presentation 2Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters

December 10, 2020 8-K

Results of Operations and Financial Condition - 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): December 10, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

December 10, 2020 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2020 and Year-End Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2020 and Year-End Financial Results HANOVER, Md.

September 9, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 1, 2020 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 3, 2020 EX-99.1

Ciena Reports Fiscal Third Quarter 2020 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2020 Financial Results HANOVER, Md.

September 3, 2020 8-K

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): September 3, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 3, 2020 EX-99.2

Ciena Corporation Earnings Presentation Period ended August 1, 2020 September 3, 2020 Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentati

q320earningsxpresentati Ciena Corporation Earnings Presentation Period ended August 1, 2020 September 3, 2020 Copyright © Ciena Corporation 2020.

July 1, 2020 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): June 30, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

July 1, 2020 EX-99.1

Ciena Appoints Hassan Ahmed to Board of Directors

FOR IMMEDIATE RELEASE Ciena Appoints Hassan Ahmed to Board of Directors HANOVER, Md.

June 10, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 2, 2020 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

June 4, 2020 EX-99.2

Ciena Corporation Earnings Presentation Period ended May 2, 2020 June 4, 2020 Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation and r

ex992q220earningspresent Ciena Corporation Earnings Presentation Period ended May 2, 2020 June 4, 2020 Copyright © Ciena Corporation 2020.

June 4, 2020 EX-99.1

Ciena Reports Fiscal Second Quarter 2020 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2020 Financial Results HANOVER, Md.

June 4, 2020 8-K

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): June 4, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

May 29, 2020 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2019 to December 31, 2019 This Conflict Minerals Report (the “Report”) of Ciena Corporation (“Ciena”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2019 to December 31, 2019. The R

May 29, 2020 SD

- SD

SD 1 formsd-2020.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD SPECIALIZED DISCLOSURE REPORT Ciena Corporation (Exact Name of Registrant as Specified in Charter) Delaware (State or Other Jurisdiction of Incorporation or Organization) 001-36250 (Commission File No.) 23-2725311 (I.R.S. Employer Identification Number) 7035 Ridge Road, Hanover, MD (Address of P

April 23, 2020 CORRESP

-

7035 Ridge Road Hanover, Maryland 21076 www.ciena.com James E. Moylan, Jr. Sr. Vice President & Chief Financial Officer Direct Dial: 410.981.7495 Fax: 410.865.8001 E-mail : [email protected] April 23, 2020 U.S. Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, NE Washington, D.C. 20549 Attn: Mindy Hooker Martin James Re: Ciena Corporation Form

April 14, 2020 S-8

CIEN / Ciena Corp. S-8 - - S-8

As filed with the Securities and Exchange Commission on April 14, 2020 Registration No.

April 6, 2020 EX-10.1

Amendment to Ciena Corporation 2017 Omnibus Incentive Plan dated April 2, 2020

EX-10.1 2 ex101amendto2017omninc.htm EXHIBIT 10.1 AMENDMENT TO CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN THIS AMENDMENT NO. 1 (this “Amendment”) to the Ciena Corporation 2017 Omnibus Incentive Plan (the “Plan”), which increases the number of shares available for issuance under the Plan by twelve million, two hundred thousand (12,200,000) shares, was adopted by the Board of Directors of Ciena C

April 6, 2020 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 2, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 11, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 31, 2020 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 6, 2020 DEFA14A

CIEN / Ciena Corp. DEFA14A - - DEFA14A

DEFA14A 1 defa14aproxysupp20200306.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropria

March 5, 2020 EX-99.1

Ciena Reports Fiscal First Quarter 2020 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2020 Financial Results HANOVER, Md.

March 5, 2020 8-K

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): March 5, 2020 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

March 5, 2020 EX-99.2

Ciena Corporation Earnings Presentation Period ended January 31, 2020 March 5, 2020 Copyright © Ciena Corporation 2020. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation

ex992q120earningspresent Ciena Corporation Earnings Presentation Period ended January 31, 2020 March 5, 2020 Copyright © Ciena Corporation 2020.

February 19, 2020 DEFA14A

CIEN / Ciena Corp. DEFA14A - - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

February 19, 2020 DEF 14A

CIEN / Ciena Corp. DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

February 12, 2020 SC 13G/A

CIEN / Ciena Corp. / 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.: 7)* Name of issuer: Ciena Corp Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d

January 28, 2020 EX-10.1

Refinancing Amendment to Credit Agreement, dated January 23, 2020, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc., Bank of America, N.A., as administrative agent, and the lenders party thereto.++

EX-10.1 2 d862341dex101.htm EX-10.1 Exhibit 10.1 EXECUTION VERSION REFINANCING AMENDMENT TO CREDIT AGREEMENT REFINANCING AMENDMENT TO CREDIT AGREEMENT, dated as of January 23, 2020 (this “Amendment”), by and among Ciena Corporation, a Delaware corporation (the “Borrower”), the other Loan Parties party hereto, the Refinancing Term Lenders (as defined below) (which constitute all of the Lenders and

January 28, 2020 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

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 23, 2020 Ciena Corporation (Exact Name of Registrant as Specified in Its Charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

December 20, 2019 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 31, 2019 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 001-36250

December 20, 2019 EX-21.1

Subsidiaries of registrant

EXHIBIT 21.1 Subsidiary Jurisdiction of Incorporation or Organization Ciena Communications, Inc. Delaware Ciena Canada, Inc. Canada

December 20, 2019 EX-10.24

Change in Control Severance Agreement dated November 30, 2019, between Ciena Corporation and Executive Officers*

CIENA CORPORATION CHANGE IN CONTROL SEVERANCE AGREEMENT This Change in Control Severance Agreement (the “Agreement”) is made by and between Ciena Corporation, a Delaware corporation, and <> (the “Executive”), and shall become effective on November 30, 2019.

December 20, 2019 EX-10.23

Change in Control Severance Agreement dated November 30, 2019, between Ciena Corporation and Gary B. Smith*

CIENA CORPORATION CHANGE IN CONTROL SEVERANCE AGREEMENT This Change in Control Severance Agreement (the “Agreement”) is made by and between Ciena Corporation, a Delaware corporation, and Gary B.

December 12, 2019 8-K

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): December 12, 2019 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

December 12, 2019 EX-99.2

Ciena Corporation Earnings Presentation Period ended October 31, 2019 December 12, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presenta

EX-99.2 3 ex992q419earningspre.htm EXHIBIT 99.2 Ciena Corporation Earnings Presentation Period ended October 31, 2019 December 12, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking statements. These statemen

December 12, 2019 EX-99.1

Ciena Reports Fiscal Fourth Quarter 2019 and Year-End Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Fourth Quarter 2019 and Year-End Financial Results HANOVER, Md.

October 31, 2019 EX-10.5

Canadian Guarantee, dated October 28, 2019, by Ciena Canada, Inc., in favor of Bank of America, N.A., as administrative agent++

EX-10.5 6 d826714dex105.htm EX-10.5 Exhibit 10.5 Execution Version CANADIAN GUARANTEE CANADIAN GUARANTEE (as amended, modified, restated and/or supplemented from time to time, this “Guarantee”), dated as of October 28, 2019, made by and among each of the undersigned guarantors (each, a “Guarantor” and, together with any other entity that becomes a guarantor hereunder pursuant to Section 23 hereof,

October 31, 2019 EX-10.4

U.S. Pledge Agreement, dated October 28, 2019, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc. and Bank of America, N.A., as administrative agent++

EX-10.4 Exhibit 10.4 EXECUTION VERSION U.S. PLEDGE AGREEMENT among CIENA CORPORATION, EACH OTHER PLEDGOR FROM TIME TO TIME PARTY HERETO and BANK OF AMERICA, N.A., as PLEDGEE Dated as of October 28, 2019 U.S. PLEDGE AGREEMENT U.S. PLEDGE AGREEMENT, dated as of October 28, 2019 (as the same may be amended, restated, modified and/or supplemented from time to time, this “Agreement”), among each of the

October 31, 2019 EX-10.6

Canadian Security Agreement, dated October 28, 2019, by and between Ciena Canada, Inc. and Bank of America, N.A., as administrative agent++

EX-10.6 Exhibit 10.6 Execution Version CANADIAN SECURITY AGREEMENT among CIENA CANADA, INC., EACH OTHER GRANTOR FROM TIME TO TIME PARTY HERETO and BANK OF AMERICA, N.A., as Collateral Agent Dated as of October 28, 2019 CANADIAN SECURITY AGREEMENT, dated as of October 28, 2019, made by each of the undersigned grantors (each, a “Grantor” and, together with any other entity that becomes a grantor her

October 31, 2019 EX-10.7

Intercreditor Agreement, dated October 28, 2019, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc. and Bank of America, N.A., as administrative and collateral agent++

EX-10.7 Exhibit 10.7 EXECUTION VERSION AMENDED AND RESTATED ABL/TERM INTERCREDITOR AGREEMENT This AMENDED AND RESTATED ABL/TERM INTERCREDITOR AGREEMENT (as amended, restated, supplemented, amended or restated or otherwise modified from time to time in accordance with its terms, this “Agreement”), dated as of October 28, 2019, by and among CIENA CORPORATION, a Delaware corporation (the “Company”),

October 31, 2019 EX-10.2

U.S. Guaranty, dated October 28, 2019, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc. and Bank of America, N.A., as administrative agent++

EX-10.2 Exhibit 10.2 EXECUTION VERSION U.S. GUARANTY U.S. GUARANTY (as amended, modified, restated and/or supplemented from time to time, this “Guaranty”), dated as of October 28, 2019, made by and among each of the undersigned guarantors (each, a “Guarantor” and, together with any other entity that becomes a guarantor hereunder pursuant to Section 23 hereof, collectively, the “Guarantors”) in fav

October 31, 2019 EX-10.1

ABL Credit Agreement, dated October 28, 2019, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Canada, Inc., Bank of America, N.A., as administrative agent, and the lenders party thereto++

EX-10.1 Exhibit 10.1 EXECUTION VERSION ABL CREDIT AGREEMENT Dated as of October 28, 2019 among CIENA CORPORATION, CIENA COMMUNICATIONS, INC., CIENA GOVERNMENT SOLUTIONS, INC., CIENA CANADA, INC., as the Borrowers, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and an L/C Issuer, The Other L/C Issuers Party Hereto, and The Other Lenders Party Hereto BofA SECURITIES, INC. DEUTSCHE

October 31, 2019 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): October 28, 2019 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware 23-2725311 (State or other jurisdiction of incorporation) (IRS Employer Identification No.

October 31, 2019 EX-10.3

U.S. Security Agreement, dated October 28, 2019, by and among Ciena Corporation, Ciena Communications, Inc., Ciena Government Solutions, Inc., Ciena Communications International, LLC, Blue Planet Software, Inc. and Bank of America, N.A., as administrative agent++

EX-10.3 Exhibit 10.3 EXECUTION VERSION U.S. SECURITY AGREEMENT among CIENA CORPORATION, EACH OTHER GRANTOR FROM TIME TO TIME PARTY HERETO and BANK OF AMERICA, N.A., as COLLATERAL AGENT Dated as of October 28, 2019 U.S. SECURITY AGREEMENT, dated as of October 28, 2019, made by each of the undersigned grantors (each, a “Grantor” and, together with any other entity that becomes a grantor hereunder pu

October 3, 2019 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): October 3, 2019 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

October 3, 2019 EX-99.1

Ciena Announces Intent to Acquire Centina Industry-leading service assurance and network performance management capabilities strengthen Blue Planet’s Intelligent Automation Solutions

FOR IMMEDIATE RELEASE Ciena Announces Intent to Acquire Centina Industry-leading service assurance and network performance management capabilities strengthen Blue Planet’s Intelligent Automation Solutions HANOVER, Md.

September 11, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 31, 2019 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 5, 2019 8-K

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): September 5, 2019 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-36250 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

September 5, 2019 EX-99.1

Ciena Reports Fiscal Third Quarter 2019 Financial Results

EX-99.1 2 ex991-2019q3earningspr.htm EXHIBIT 99.1 FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2019 Financial Results HANOVER, Md. - September 5, 2019 - Ciena® Corporation (NYSE: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal third quarter ended July 31, 2019. • Q3 Revenue: $960.6 million, increasing 17.3% year ove

September 5, 2019 EX-99.2

Ciena Corporation Q3 fiscal 2019 Investor Presentation Quarterly Period ended July 31, 2019 September 5, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Inform

EX-99.2 3 ex992q319earningspresent.htm EXHIBIT 99.2 Ciena Corporation Q3 fiscal 2019 Investor Presentation Quarterly Period ended July 31, 2019 September 5, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking

August 29, 2019 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): August 28, 2019 Ciena Corporation (Exact name of registrant as specified in its charter) Commission File Number: 001-21969 Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices) 23-2725311 (IRS Employer Identification No.

August 29, 2019 EX-99.1

Ciena Appoints Devinder Kumar to Board of Directors

FOR IMMEDIATE RELEASE Ciena Appoints Devinder Kumar to Board of Directors HANOVER, Md.

June 12, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 30, 2019 OR o 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 23-2725311 (I.

June 12, 2019 EX-10.2

Joinder Agreement in U.S. Guaranty, U.S. Security Agreement and U.S. Pledge Agreement, dated as of April 19, 2019 by Ciena Communications International, LLC and delivered to Deutsche Bank AG New York Branch, as Administrative Agent and as Collateral Agent, for the benefit of the Secured Lenders ++

EX-10.2 3 ex102-joinderagreecci.htm EXHIBIT 10.2 JOINDER AGREE CCI JOINDER AGREEMENT THIS JOINDER IN U.S. GUARANTY, U.S. SECURITY AGREEMENT and U.S. PLEDGE AGREEMENT (this “Joinder”) is executed as of April 19, 2019 by CIENA COMMUNICATIONS INTERNATIONAL, LLC, a Delaware limited liability company (the “Joining Party”), and delivered to Deutsche Bank AG New York Branch, as Administrative Agent and a

June 12, 2019 EX-10.1

Joinder Agreement in U.S. Guaranty, U.S. Security Agreement and U.S. Pledge Agreement, dated as of April 19, 2019 by Blue Planet Software, Inc. and delivered to Deutsche Bank AG New York Branch, as Administrative Agent and as Collateral Agent, for the benefit of the Secured Lenders ++

EX-10.1 2 ex101joinderagreebpsi.htm EXHIBIT 10.1 JOINDER AGREE BPSI JOINDER AGREEMENT THIS JOINDER IN U.S. GUARANTY, U.S. SECURITY AGREEMENT and U.S. PLEDGE AGREEMENT (this “Joinder”) is executed as of April 19, 2019 by BLUE PLANET SOFTWARE, INC., a Delaware corporation (the “Joining Party”), and delivered to Deutsche Bank AG New York Branch, as Administrative Agent and as Collateral Agent, for th

June 12, 2019 EX-10.4

Guaranty Supplement dated as of April 19, 2019, by Blue Planet Software, Inc., in favor of Bank of America, N.A., as Administrative Agent++

GUARANTY SUPPLEMENT GUARANTY SUPPLEMENT dated as of April 19, 2019, by BLUE PLANET SOFTWARE, INC.

June 12, 2019 EX-10.3

Guaranty Supplement dated as of April 19, 2019, by Ciena Communications International, LLC, in favor of Bank of America, N.A., as Administrative Agent++

EX-10.3 4 ex103-cienaxguarantysu.htm EXHIBIT 10.3 CIENA GURANTY SUPP GUARANTY SUPPLEMENT GUARANTY SUPPLEMENT dated as of April 19, 2019, by CIENA COMMUNICATIONS INTERNATIONAL, LLC, a Delaware limited liability company (the “Guarantor”), in favor of Bank of America, N.A., as Administrative Agent. WHEREAS, CIENA COMMUNICATIONS, INC., a Delaware corporation, CIENA GOVERNMENT SOLUTIONS, INC., a Delawa

June 6, 2019 EX-99.1

Ciena Reports Fiscal Second Quarter 2019 Financial Results

FOR IMMEDIATE RELEASE Ciena Reports Fiscal Second Quarter 2019 Financial Results HANOVER, Md.

June 6, 2019 8-K

Results of Operations and Financial Condition

8-K 1 a8-k2019q2earningsrelease.htm 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): June 6, 2019 Ciena Corporation (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001

June 6, 2019 EX-99.2

Ciena Corporation Q2 fiscal 2019 Investor Presentation Quarterly Period ended April 30, 2019 June 6, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Informatio

ex992q2019earnpresent Ciena Corporation Q2 fiscal 2019 Investor Presentation Quarterly Period ended April 30, 2019 June 6, 2019 Copyright © Ciena Corporation 2019.

May 29, 2019 SD

CIEN / Ciena Corp. SD - - SD

SD 1 formsd-2019.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD SPECIALIZED DISCLOSURE REPORT Ciena Corporation (Exact Name of Registrant as Specified in Charter) Delaware (State or Other Jurisdiction of Incorporation or Organization) 001-36250 (Commission File No.) 23-2725311 (I.R.S. Employer Identification Number) 7035 Ridge Road, Hanover, MD (Address of P

May 29, 2019 EX-1.01

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

Exhibit 1.01 Ciena Corporation Conflict Minerals Report For the reporting period from January 1, 2018 to December 31, 2018 This Conflict Minerals Report (the “Report”) of Ciena Corporation (“Ciena”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2018 to December 31, 2018. The R

April 1, 2019 8-K

Current Report

8-K 1 a8-k2019annualmtgresults.htm 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 28, 2019 Ciena Corporation (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 00

March 11, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 31, 2019 OR o 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: 001-36250 Ciena Corporation (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 23-2725311 (I.

March 5, 2019 EX-99.2

Ciena Corporation Q1 FY 2019 Investor Presentation Quarterly Period ended January 31, 2019 March 5, 2019 Copyright © Ciena Corporation 2019. All rights reserved. Confidential & Proprietary. Forward-looking statements and non-GAAP measures Information

ex992-earningspresentati Ciena Corporation Q1 FY 2019 Investor Presentation Quarterly Period ended January 31, 2019 March 5, 2019 Copyright © Ciena Corporation 2019.

March 5, 2019 8-K

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): March 5, 2019 Ciena Corporation (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-36250 23-2725311 (Commission File Number) (IRS Employer Identification No.

March 5, 2019 EX-99.1

Ciena Reports Fiscal First Quarter 2019 Financial Results

EX-99.1 2 ex991-2019q1earningspressr.htm EXHIBIT 99.1 FOR IMMEDIATE RELEASE Ciena Reports Fiscal First Quarter 2019 Financial Results HANOVER, Md. - March 5, 2019 - Ciena® Corporation (NYSE: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal first quarter ended January 31, 2019. • Q1 Revenue: $778.5 million, increasing 20.5% year

February 12, 2019 DEFA14A

CIEN / Ciena Corp. DEFA14A

DEFA14A 1 def14anoticeofinternetavai.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropr

February 12, 2019 DEF 14A

CIEN / Ciena Corp. DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

February 11, 2019 SC 13G/A

CIEN / Ciena Corp. / VANGUARD GROUP INC Passive Investment

cienacorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Ciena Corp Title of Class of Securities: Common Stock CUSIP Number: 171779309 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to designate th

December 21, 2018 EX-10.4

Form of Performance Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants performance stock units relating to shares of its common stock, $0.

December 21, 2018 EX-10.3

Form of Director Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

December 21, 2018 EX-10.2

Form of Employee Restricted Stock Unit Agreement for Ciena Corporation 2017 Omnibus Incentive Plan*

CIENA CORPORATION 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Ciena Corporation, a Delaware corporation, (the “Company”), hereby grants restricted stock units (“Restricted Stock Units”) relating to shares of its common stock, $0.

Other Listings
MX:CIEN
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