ATSAF / ATS Corporation. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

ATS Corporation.
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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 ATS Corporation.
SEC Filings (Chronological Order)
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August 28, 2025 EX-99.1

ATS to Participate in the Morgan Stanley 13th Annual Laguna Conference

ATS to Participate in the Morgan Stanley 13th Annual Laguna Conference 08/27/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Interim Chief Executive Officer, and Anne Cybulski, Interim Chief Financial Officer, will participate in the Morgan Stanley 13th Annual Laguna Conference in Dana Point, CA on September 10, 2025.

August 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 15, 2025 EX-99.1

ATS to Participate in the Jefferies Industrials Conference

ATS to Participate in the Jefferies Industrials Conference 08/14/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Interim Chief Executive Officer, and Anne Cybulski, Interim Chief Financial Officer, will participate in the Jefferies Industrials Conference in New York City, NY on September 4, 2025.

August 15, 2025 EX-99.1

ATS to Participate in the RBC Capital Markets Global Industrials Conference

ATS to Participate in the RBC Capital Markets Global Industrials Conference 08/14/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Interim Chief Executive Officer, and Anne Cybulski, Interim Chief Financial Officer, will participate in the RBC Capital Markets Global Industrials Conference in New York City, NY on September 16, 2025.

August 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 12, 2025 EX-99.1

ATS to Participate in the Raymond James Industrial Showcase

ATS to Participate in the Raymond James Industrial Showcase 08/08/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Interim Chief Executive Officer, and Anne Cybulski, Interim Chief Financial Officer, will participate in the virtual Raymond James Industrial Showcase on August 13, 2025.

August 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 7, 2025 EX-99.1

ATS CORPORATION Management's Discussion and Analysis For the Quarter Ended June 29, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Quarter Ended June 29, 2025

Exhibit 99.1 ATS CORPORATION Management's Discussion and Analysis For the Quarter Ended June 29, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Quarter Ended June 29, 2025 This Management's Discussion and Analysis ("MD&A") for the three months ended June 29, 2025 ("first quarter of fiscal 2026") is as of August 7, 2025 and provides information on the operating activities, per

August 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 7, 2025 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended June 29, 2025

Exhibit 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended June 29, 2025 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note June 29 2025 March 31 2025 ASSETS 11 Current assets Cash and cash equivalents $ 188,609 $ 225,947 Accounts receivable 17 522,555 719,4

August 7, 2025 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended June 29, 2025. 2. No misrepresentations: Based on my knowledge, hav

August 7, 2025 EX-99.5

ATS Reports First Quarter Fiscal 2026 Results

Appendix 99.5 ATS Reports First Quarter Fiscal 2026 Results 08/07/2025 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) ("ATS" or the "Company") today reported its financial results for the three months ended June 29, 2025. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. First quarter highlights: •Revenues increased 6.1

August 7, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A, (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended June 29, 2025. 2. No misrepresentations: Based on my knowledge, hav

July 28, 2025 EX-99.1

ATS Announces Dates of First Quarter Results Conference Call and Annual Meeting of Shareholders

ATS Announces Dates of First Quarter Results Conference Call and Annual Meeting of Shareholders 07/23/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the first quarter ended June 29, 2025, before markets open on Thursday August 07, 2025.

July 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 9, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 9, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 9, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 7, 2025 EX-99.1

ATS Announces CEO Departure

ATS Announces CEO Departure 07/07/2025 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider will be stepping down from his role as Chief Executive Officer of the Company and from its Board of Directors (the “Board”) to pursue a new leadership opportunity outside the automation industry.

July 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 30, 2025 EX-99.1

ATS to Participate in the Stifel 2025 Cross Sector Insight Conference

ATS to Participate in the Stifel 2025 Cross Sector Insight Conference 05/29/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Stifel 2025 Cross Sector Insight Conference in Boston, MA on June 3, 2025.

May 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 29, 2025 EX-99.5

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.5 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ryan McLeod, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 29, 2025 EX-99.8

Consent of Independent Registered Public Accounting Firm

EXHIBIT 99.8 Consent of Independent Registered Public Accounting Firm We consent to the use of our report dated May 29, 2025 with respect to the consolidated financial statements of ATS Corporation and its subsidiaries (the “Company”) as at and for the years ended March 31, 2025 and 2024 incorporated by reference in the Annual Report on Form 40-F of the Company for the fiscal year ended March 31,

May 29, 2025 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2025 (the “Report”). I, Andrew Hider, Chief Executive Officer of the Company, certify

May 29, 2025 EX-99.8

Consent of Independent Registered Public Accounting Firm

EXHIBIT 99.8 Consent of Independent Registered Public Accounting Firm We consent to the reference to our Firm under the caption “Interest of Experts”, which appears in the Annual Information Form in Exhibit 99.1, and to the incorporation by reference in the following Registration Statements: 1.Form S-8 no. 333-273050 2.Form F-10 no. 333-278270 of ATS Corporation (the “Company”) and the use herein

May 29, 2025 EX-99.3

ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2025

Exhibit 99.3 ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2025 MANAGEMENT'S ANNUAL REPORT ON INTERNAL CONTROLS OVER FINANCIAL REPORTING Management of the Company, under the supervision of the Chief Executive Officer and the Chief Financial Officer, is responsible for establishing and maintaining adequate internal control over the Company's financial

May 29, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 29, 2025 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2025 (the “Report”). I, Ryan McLeod, Chief Financial Officer of the Company, certify,

May 29, 2025 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2025 (the “Report”). I, Andrew Hider, Chief Executive Officer of the Company, certify

May 29, 2025 EX-99.1

ATS Reports Fourth Quarter and Fiscal 2025 Results

Appendix 99.1 ATS Reports Fourth Quarter and Fiscal 2025 Results 5/28/2025 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) ("ATS" or the "Company") today reported its financial results for the three and twelve months ended March 31, 2025. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Fourth quarter highlights: •Previ

May 29, 2025 40-F

ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2025

Exhibit 99.3 ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2025 MANAGEMENT'S ANNUAL REPORT ON INTERNAL CONTROLS OVER FINANCIAL REPORTING Management of the Company, under the supervision of the Chief Executive Officer and the Chief Financial Officer, is responsible for establishing and maintaining adequate internal control over the Company's financial

May 29, 2025 EX-99.1

ATS CORPORATION Annual Information Form For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS

Exhibit 99.1 ATS CORPORATION Annual Information Form For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS TABLE OF CONTENTS ITEM DESCRIPTION PAGE NO. INFORMATION INCORPORATED BY REFERENCE - 1 - CORPORATE STRUCTURE AND HISTORY - 1 - OVERVIEW OF ATS AND GENERAL DEVELOPMENT OF THE BUSINESS - 4 - NARRATIVE DESCRIPTION OF THE BUSINESS - 7 - RISK FACTORS - 14 - DIVIDEND POLICY - 38 - CAPITAL STRUCTURE A

May 29, 2025 40-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F/A (Amendment No. 1) [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2025 Commission File Number 001-41713 ATS CORPORATION (Exact name of R

May 29, 2025 EX-99.4

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.4 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Andrew Hider, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 29, 2025 EX-99.2

ATS CORPORATION Management's Discussion and Analysis For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Year Ended March 31, 2025

Exhibit 99.2 ATS CORPORATION Management's Discussion and Analysis For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Year Ended March 31, 2025 This Management's Discussion and Analysis ("MD&A") for the year ended March 31, 2025 ("fiscal 2025") is as of May 29, 2025 and provides information on the operating activities, performance and financial positio

May 29, 2025 EX-97

ATS CORPORATION RULE 10D-1 CLAWBACK POLICY

Exhibit 97 ATS CORPORATION RULE 10D-1 CLAWBACK POLICY The Board of Directors (“Board”) of ATS Corporation (the “Company”) has adopted this Policy in accordance with the New York Stock Exchange listing requirements.

May 29, 2025 EX-97

ATS CORPORATION RULE 10D-1 CLAWBACK POLICY

Exhibit 97 ATS CORPORATION RULE 10D-1 CLAWBACK POLICY The Board of Directors (“Board”) of ATS Corporation (the “Company”) has adopted this Policy in accordance with the New York Stock Exchange listing requirements.

May 29, 2025 EX-99.4

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.4 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Andrew Hider, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 29, 2025 EX-99.1

ATS CORPORATION Annual Information Form For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS

Exhibit 99.1 ATS CORPORATION Annual Information Form For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS TABLE OF CONTENTS ITEM DESCRIPTION PAGE NO. INFORMATION INCORPORATED BY REFERENCE - 1 - CORPORATE STRUCTURE AND HISTORY - 1 - OVERVIEW OF ATS AND GENERAL DEVELOPMENT OF THE BUSINESS - 4 - NARRATIVE DESCRIPTION OF THE BUSINESS - 7 - RISK FACTORS - 14 - DIVIDEND POLICY - 38 - CAPITAL STRUCTURE A

May 29, 2025 EX-99.2

ATS CORPORATION Management's Discussion and Analysis For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Year Ended March 31, 2025

Exhibit 99.2 ATS CORPORATION Management's Discussion and Analysis For the Year Ended March 31, 2025 TSX: ATS NYSE: ATS Management's Discussion and Analysis For the Year Ended March 31, 2025 This Management's Discussion and Analysis ("MD&A") for the year ended March 31, 2025 ("fiscal 2025") is as of May 29, 2025 and provides information on the operating activities, performance and financial positio

May 29, 2025 EX-99.3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2025 Commission File Number 001-41713 ATS CORPORATION (Exact name of Registrant as specifi

May 29, 2025 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2025 (the “Report”). I, Ryan McLeod, Chief Financial Officer of the Company, certify,

May 29, 2025 EX-99.5

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.5 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ryan McLeod, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 27, 2025 EX-99.1

ATS Announces Settlement with EV Customer, Preliminary Fourth Quarter 2025 Results and Fourth Quarter Earnings Call

ATS Announces Settlement with EV Customer, Preliminary Fourth Quarter 2025 Results and Fourth Quarter Earnings Call 5/23/2025 CAMBRIDGE, Ontario / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) ("ATS" or the "Company") today announced that it has reached a settlement agreement (the “Agreement”) with its Electric Vehicle (“EV”) customer with respect to the previously disclosed outstanding payments owed.

May 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

April 16, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-4171

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principa

April 16, 2025 EX-99.1

ATS to Participate in the RBC Capital Markets Canadian Industrials Conference

ATS to Participate in the RBC Capital Markets Canadian Industrials Conference 04/14/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Chief Financial Officer will participate in the RBC Capital Markets Canadian Industrials Conference in Toronto on May 15, 2025.

February 19, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 19, 2025 EX-99.1

ATS to Participate in the J.P. Morgan Industrials Conference

ATS to Participate in the J.P. Morgan Industrials Conference 02/18/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the J.P. Morgan Industrials Conference in New York City, NY on March 11, 2025. ATS is scheduled to host a firesid

February 5, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 5, 2025 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended December 29, 2024. 2. No misrepresentations: Based on my knowledge,

February 5, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A, (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended December 29, 2024. 2. No misrepresentations: Based on my knowledge,

February 5, 2025 EX-99.5

ATS Reports Third Quarter Fiscal 2025 Results

Appendix 99.5 ATS Reports Third Quarter Fiscal 2025 Results 02/05/2025 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) ("ATS" or the "Company") today reported its financial results for the three and nine months ended December 29, 2024. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Third quarter highlights: •Revenues

February 5, 2025 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended December 29, 2024

Exhibit 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended December 29, 2024 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note December 29 2024 March 31 2024 ASSETS 14 Current assets Cash and cash equivalents $ 263,152 $ 170,177 Accounts receivable 20 709,1

February 5, 2025 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended December 29, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended December 29, 2024

Exhibit 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended December 29, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended December 29, 2024 This Management’s Discussion and Analysis ("MD&A") for the three and nine months ended December 29, 2024 ("third quarter of fiscal 2025") is as of February 5, 2025 and provides information on the op

January 27, 2025 EX-99.1

ATS to Participate in the Raymond James 46th Annual Institutional Investors Conference

ATS to Participate in the Raymond James 46th Annual Institutional Investors Conference 01/27/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Raymond James 46th Annual Institutional Investors Conference in Orlando, FL on March 5, 2025.

January 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

January 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41

6-K 1 a2025-01x23xq3earningscalla.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cam

January 24, 2025 EX-99.1

ATS To Host Third Quarter Earnings Call Wednesday February 5, 2025, at 8:30 a.m. Eastern

ATS To Host Third Quarter Earnings Call Wednesday February 5, 2025, at 8:30 a.m. Eastern 01/23/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the third quarter ended December 29, 2024, before markets open on Wednesday February 5, 2025. At 8:30 a.m. Eastern on February 5, 2025, the Company will host a conf

January 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

January 21, 2025 EX-99.1

ATS to Participate in the Citi Global Industrial Tech and Mobility Conference

ATS to Participate in the Citi Global Industrial Tech and Mobility Conference 01/20/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Citi Global Industrial Tech and Mobility Conference in Miami, FL on February 19, 2025.

January 21, 2025 EX-99.1

ATS to Participate in the Barclays Industrials Select Conference

ATS to Participate in the Barclays Industrials Select Conference 01/20/2025 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Barclays Industrials Select Conference in Miami, FL on February 20, 2025.

January 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

December 31, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 31, 2024 EX-99.1

SUPPLEMENTAL INDENTURE Dated as of December 19, 2024 SENIOR NOTES INDENTURE Dated as of August 21, 2024 ATS CORPORATION THE GUARANTORS LISTED ON THE SIGNATURE PAGES THERETO Computershare Trust Company of Canada, as Trustee 6.50% SENIOR NOTES DUE 2032

Exhibit 99.1 SUPPLEMENTAL INDENTURE Dated as of December 19, 2024 to SENIOR NOTES INDENTURE Dated as of August 21, 2024 Among ATS CORPORATION THE GUARANTORS LISTED ON THE SIGNATURE PAGES THERETO and Computershare Trust Company of Canada, as Trustee 6.50% SENIOR NOTES DUE 2032 TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions 1 Section 1.02 Rules of Construction 2 Section 1.03 Curr

December 19, 2024 EX-99.1

ATS Announces Closing Of Additional $200 Million Senior Notes Offering

ATS Announces Closing Of Additional $200 Million Senior Notes Offering 12/19/2024 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) confirmed today that it has successfully closed its previously announced private placement offering (the “Offering”) of C$200 million aggregate principal amount of 6.

December 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 17, 2024 EX-99.1

ATS Announces Offering and Pricing of Upsized Reopening of $200 Million Senior Notes Due 2032

ATS Announces Offering and Pricing of Upsized Reopening of $200 Million Senior Notes Due 2032 12/16/2024 CAMBRIDGE, Ontario / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), announced today that it has entered into an underwriting agreement with a syndicate of underwriters to sell, pursuant to a private placement offering (the “Offering”), an additional $200 million aggregate principal amount of its 6.

December 16, 2024 EX-99.1

ATS Corporation Releases FY2024 Sustainability Report

ATS Corporation Releases FY2024 Sustainability Report 12/16/2024 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today released its FY2024 Sustainability Report, for the period ending March 31, 2024.

December 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 12, 2024 EX-99.1

ATS Announces Normal Course Issuer Bid

ATS Announces Normal Course Issuer Bid 12/12/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), today announced that the Toronto Stock Exchange (“TSX”) has accepted a notice filed by it of its intention to make a normal course issuer bid (“NCIB”).

November 13, 2024 SC 13G/A

ATS / ATS Corporation / MASON CAPITAL MANAGEMENT LLC - ATS CORPORATION Passive Investment

SC 13G/A 1 p24-3232sc13ga.htm ATS CORPORATION SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ATS Corporation (Name of Issuer) Common shares (Title of Class of Securities) 00217Y104 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the

November 13, 2024 SC 13G/A

ATS / ATS Corporation / Capital International Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* ATS Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 00217Y104 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designat

November 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 7, 2024 EX-99.1

ATS to Participate in the UBS Global Industrials and Transportation Conference

ATS to Participate in the UBS Global Industrials and Transportation Conference 11/04/2024 CAMBRIDGE, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the UBS Global Industrials and Transportation Conference in Manalapan, FL on December 04, 2024.

November 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 6, 2024 EX-99.5

ATS Reports Second Quarter Fiscal 2025 Results

Appendix 99.5 ATS Reports Second Quarter Fiscal 2025 Results 11/06/2024 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) ("ATS" or the "Company") today reported its financial results for the three and six months ended September 29, 2024. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Second quarter highlights: •Revenue

November 6, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A, (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended September 29, 2024. 2. No misrepresentations: Based on my knowledge

November 6, 2024 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended September 29, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended September 29, 2024

Exhibit 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended September 29, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended September 29, 2024 This Management’s Discussion and Analysis ("MD&A") for the three and six months ended September 29, 2024 ("second quarter of fiscal 2025") is as of November 6, 2024 and provides information on the

November 6, 2024 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended September 29, 2024

Exhibit 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended September 29, 2024 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note September 29 2024 March 31 2024 ASSETS 14 Current assets Cash and cash equivalents $ 246,937 $ 170,177 Accounts receivable 20 595

November 6, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended September 29, 2024. 2. No misrepresentations: Based on my knowledge

October 30, 2024 EX-99.1

ATS To Host Second Quarter Earnings Call Wednesday November 6, 2024, at 8:30 a.m. Eastern

ATS To Host Second Quarter Earnings Call Wednesday November 6, 2024, at 8:30 a.m. Eastern 10/29/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the second quarter ended September 29, 2024, before markets open on Wednesday November 6, 2024. At 8:30 a.m. eastern November 6, 2024, the Company will host a conf

October 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

October 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

October 23, 2024 EX-99.1

ATS to Participate in the Baird 2024 Global Industrial Conference

ATS to Participate in the Baird 2024 Global Industrial Conference 10/16/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Baird 2024 Global Industrial Conference in Chicago on November 12, 2024.

October 23, 2024 EX-99.1

ATS to Participate in the Scotiabank Transportation & Industrials Conference

ATS to Participate in the Scotiabank Transportation & Industrials Conference 10/16/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Scotiabank Transportation & Industrials Conference in Toronto on November 13, 2024.

October 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

September 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of prin

September 5, 2024 EX-99.1

ATS to Participate in the Morgan Stanley 12th Annual Laguna Conference

ATS to Participate in the Morgan Stanley 12th Annual Laguna Conference 09/04/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Morgan Stanley 12th Annual Laguna Conference in Dana Point, CA on September 11, 2024.

September 4, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of prin

September 4, 2024 EX-99.1

ATS Completes Acquisition of Heidolph

ATS Completes Acquisition of Heidolph 09/03/2024 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced the successful completion of its acquisition of all material assets from Heidolph Instruments GmbH & Co.

August 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 22, 2024 EX-99.1

SENIOR NOTES INDENTURE Dated as of August 21, 2024 ATS CORPORATION THE GUARANTORS LISTED ON THE SIGNATURE PAGES HERETO Computershare Trust Company of Canada, as Trustee 6.50% SENIOR NOTES DUE 2032

Exhibit 99.1 SENIOR NOTES INDENTURE Dated as of August 21, 2024 Among ATS CORPORATION THE GUARANTORS LISTED ON THE SIGNATURE PAGES HERETO and Computershare Trust Company of Canada, as Trustee 6.50% SENIOR NOTES DUE 2032 TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions 1 Section 1.02 Rules of Construction 39 Section 1.03 Acts of Holders 39 Section 1.04 Interest Act (Canada) 42 Sec

August 21, 2024 EX-99.1

ATS ANNOUNCES CLOSING OF $400 MILLION SENIOR NOTES OFFERING

ATS ANNOUNCES CLOSING OF $400 MILLION SENIOR NOTES OFFERING 08/21/2024 CAMBRIDGE, ON (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) confirmed today that it has successfully closed its previously announced private placement offering (the “Offering”) of C$400 million aggregate principal amount of 6.

August 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 20, 2024 EX-99.1

ATS to Participate in the 2024 RBC Capital Markets Global Industrials Conference

ATS to Participate in the 2024 RBC Capital Markets Global Industrials Conference 08/19/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the 2024 RBC Capital Markets Global Industrials Conference in Las Vegas, NV on September 24, 2024.

August 20, 2024 EX-99.1

ATS to Participate in the Jefferies Industrials Conference

ATS to Participate in the Jefferies Industrials Conference 08/19/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Jefferies Industrials Conference in New York City, NY on September 5, 2024.

August 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 15, 2024 EX-99.1

ATS ANNOUNCES PRICING OF UPSIZED $400 MILLION SENIOR UNSECURED NOTES OFFERING

ATS ANNOUNCES PRICING OF UPSIZED $400 MILLION SENIOR UNSECURED NOTES OFFERING 08/15/2024 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) announced today that it has entered into an underwriting agreement to sell, pursuant to a private placement offering (the “Offering”), C$400 million aggregate principal amount of 6.

August 12, 2024 EX-99.1

ATS Announces Election Of Directors

ATS Announces Election Of Directors 08/12/2024 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that all of the nominee directors listed in the management information circular dated June 17, 2024 were elected as directors of ATS.

August 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 8, 2024 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended June 30, 2024

Exhibit 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended June 30, 2024 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note June 30 2024 March 31 2024 ASSETS 11 Current assets Cash and cash equivalents $ 185,086 $ 170,177 Accounts receivable 17 568,205 471,3

August 8, 2024 EX-99.1

ATS To Acquire Laboratory Solutions Provider Heidolph Group

ATS To Acquire Laboratory Solutions Provider Heidolph Group 08/07/2024 CAMBRIDGE, ON - (BUSINESS WIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) a leading automation solutions provider, today announced it has entered into a definitive agreement to acquire all material assets from Heidolph Instruments GmbH & Co.

August 8, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended June 30, 2024. 2. No misrepresentations: Based on my knowledge, hav

August 8, 2024 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended June 30, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended June 30, 2024

Exhibit 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended June 30, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended June 30, 2024 This Management’s Discussion and Analysis (“MD&A”) for the three months ended June 30, 2024 ("first quarter of fiscal 2025") is as of August 8, 2024 and provides information on the operating activities, per

August 8, 2024 EX-99.5

ATS Reports First Quarter Fiscal 2025 Results

Appendix 99.5 ATS Reports First Quarter Fiscal 2025 Results 08/08/2024 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today reported its financial results for the three months ended June 30, 2024. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. First quarter highlights: •Revenues decreased 7.9

August 8, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A, (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended June 30, 2024. 2. No misrepresentations: Based on my knowledge, hav

July 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 25, 2024 EX-99.1

ATS Completes Acquisition of Paxiom

ATS Completes Acquisition of Paxiom 07/24/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”), today announced the successful completion of its acquisition of Paxiom Group (“Paxiom”), a provider of primary, secondary, and end-of-line packaging machines in the food and beverage, cannabis, and pharmaceutical industries.

July 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 22, 2024 EX-99.1

ATS Announces Dates of First Quarter Results Conference Call and Annual Meeting of Shareholders

ATS Announces Dates of First Quarter Results Conference Call and Annual Meeting of Shareholders 07/22/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the first quarter ended June 30, 2024, before markets open on Thursday August 8, 2024.

July 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 18, 2024 EX-99.1

EX-99.1

July 5, 2024 EX-99.5

EX-99.5

Form of Proxy - Annual General Meeting to be held on August 9, 2024 020B8A This Form of Proxy is solicited by and on behalf of Management.

July 5, 2024 EX-99.2

EX-99.2

— ATS 2024 MANAGEMENT INFORMATION CIRCULAR 2 ATS CORPORATION Notice of Annual Meeting of Shareholders August 9, 2024 Notice is hereby given that the annual meeting of the holders of common shares of ATS Corporation (the “Corporation” or “ATS”) will be held on August 9, 2024 at 10:00 a.

July 5, 2024 EX-99.3

EX-99.3

020BAA Fold Fold Have questions about this notice? Call the Toll Free Number below or scan the QR code to find out more Toll Free – 1-866 964-0492 www.

July 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 5, 2024 EX-99.4

EX-99.4

Voting Instruction Form (“VIF”) - Annual General Meeting to be held on August 9, 2024 020BGA This VIF is solicited by and on behalf of Management.

July 5, 2024 EX-99.1

EX-99.1

July 5, 2024 EX-99.6

EX-99.6

Registered Shareholders Enter the control number listed on your form of proxy and the password above.

May 22, 2024 EX-99.1

EX-99.1

May 17, 2024 100 University Avenue, 8th floor Toronto ON, M5J 2Y1 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: ATS CORPORATION Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Record Date for Notice of Meeting : June 14, 2024 Record Date for Voting (

May 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 17, 2024 EX-99.1

ATS to Participate in the Stifel 2024 Cross Sector Insight Conference

ATS to Participate in the Stifel 2024 Cross Sector Insight Conference 05/17/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Stifel 2024 Cross Sector Insight Conference in Boston, MA on June 4, 2024.

May 17, 2024 EX-99.1

ATS to Participate in Deutsche Bank’s Global Industrials, Materials & Building Products Conference

ATS to Participate in Deutsche Bank’s Global Industrials, Materials & Building Products Conference 05/17/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Chief Financial Officer will participate in Deutsche Bank 15th Annual Global Industrials, Materials & Building Products Conference in New York, NY on June 5, 2024.

May 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 16, 2024 EX-99.1

ATS CORPORATION Annual Information Form For the Year Ended March 31, 2024 TSX: ATS NYSE: ATS

Exhibit 99.1 ATS CORPORATION Annual Information Form For the Year Ended March 31, 2024 TSX: ATS NYSE: ATS TABLE OF CONTENTS ITEM DESCRIPTION PAGE NO. INFORMATION INCORPORATED BY REFERENCE - 1 - CORPORATE STRUCTURE AND HISTORY - 1 - OVERVIEW OF ATS AND GENERAL DEVELOPMENT OF THE BUSINESS - 4 - NARRATIVE DESCRIPTION OF THE BUSINESS - 8 - RISK FACTORS - 14 - DIVIDEND POLICY - 38 - CAPITAL STRUCTURE A

May 16, 2024 EX-99.5

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.5 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ryan McLeod, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 16, 2024 EX-99.2

ATS CORPORATION Management’s Discussion and Analysis For the Year Ended March 31, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Year Ended March 31, 2024

Exhibit 99.2 ATS CORPORATION Management’s Discussion and Analysis For the Year Ended March 31, 2024 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Year Ended March 31, 2024 This Management’s Discussion and Analysis (“MD&A”) for the year ended March 31, 2024 ("fiscal 2024") is as of May 16, 2024 and provides information on the operating activities, performance and financial positio

May 16, 2024 F-X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A.Name of issuer or person filing (“Filer”): ATS CORPORATION B.(1) This is [check one]: ☒ an original filing for the Filer. ☐ an amended filing for the Filer. (2) Check the following box if you are filing the Form F-X in paper in accordance with Regulation S-

May 16, 2024 EX-99.1

ATS Reports Fourth Quarter and Annual 2024 Results

Appendix 99.1 ATS Reports Fourth Quarter and Annual 2024 Results 05/16/2024 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today reported its financial results for the three and twelve months ended March 31, 2024. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Fourth quarter highlights: •Reve

May 16, 2024 EX-97

ATS CORPORATION RULE 10D-1 CLAWBACK POLICY

Exhibit 97 ATS CORPORATION RULE 10D-1 CLAWBACK POLICY The Board of Directors (“Board”) of ATS Corporation (the “Company”) has adopted this Policy in accordance with the New York Stock Exchange listing requirements.

May 16, 2024 EX-99.8

Consent of Independent Registered Public Accounting Firm

EXHIBIT 99.8 Consent of Independent Registered Public Accounting Firm We consent to the use of our report dated May 15, 2024 with respect to the consolidated financial statements of ATS Corporation and its subsidiaries (the “Company”) as at and for the years ended March 31, 2024 and 2023 incorporated by reference in the Annual Report on Form 40-F of the Company for the fiscal year ended March 31,

May 16, 2024 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2024 (the “Report”). I, Ryan McLeod, Chief Financial Officer of the Company, certify,

May 16, 2024 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2024 Commission File Number 001-41713 ATS CORPORATION (Exact name of Registrant as specifi

May 16, 2024 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 ATS Corporation (the “Company”) is filing with the U.S. Securities and Exchange Commission on the date hereof, its annual report on Form 40-F for the fiscal year ended March 31, 2024 (the “Report”). I, Andrew Hider, Chief Executive Officer of the Company, certify

May 16, 2024 EX-99.4

CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.4 CERTIFICATION REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a), PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Andrew Hider, certify that: 1.I have reviewed this annual report on Form 40-F of ATS Corporation. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

May 16, 2024 EX-99.3

ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2024

Exhibit 99.3 ATS CORPORATION Annual Audited Consolidated Financial Statements For the year ended March 31, 2024 MANAGEMENT’S ANNUAL REPORT ON INTERNAL CONTROLS OVER FINANCIAL REPORTING Management of the Company, under the supervision of the Chief Executive Officer and the Chief Financial Officer, is responsible for establishing and maintaining adequate internal control over the Company’s financial

May 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 15, 2024 EX-99.1

ATS To Acquire Packaging Machine Provider Paxiom

Appendix 99.1 ATS To Acquire Packaging Machine Provider Paxiom 05/15/2024 CAMBRIDGE, ON – (Business Wire) - ATS Corporation (TSX: ATS) (NYSE: ATS) ("ATS" or the "Company") a leading automation solutions provider, today announced it has entered into a definitive agreement to acquire Paxiom Group (“Paxiom”), a provider of primary, secondary, and end-of-line packaging machines in the food and beverag

May 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

May 2, 2024 EX-99.1

ATS to Participate in TD Cowen’s 2nd Annual Sustainability Conference

ATS to Participate in TD Cowen’s 2nd Annual Sustainability Conference 05/01/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Ryan McLeod, Chief Financial Officer will participate in TD Cowen’s 2nd Annual Sustainability Conference virtually on May 22, 2024.

May 1, 2024 EX-99.1

ATS To Host Fourth Quarter Earnings Call Thursday May 16, 2024, at 8:30 a.m. Eastern

ATS To Host Fourth Quarter Earnings Call Thursday May 16, 2024, at 8:30 a.m. Eastern 05/01/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the fourth quarter ended March 31, 2024, before markets open on Thursday May 16, 2024. At 8:30 a.m. eastern May 16, 2024, the Company will host a conference call and we

May 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

March 29, 2024 EX-99.1

UNDERWRITING AGREEMENT

Exhibit 99.1 UNDERWRITING AGREEMENT March 27, 2024 ATS Corporation 730 Fountain Street North, Building #3 Cambridge, Ontario N3H 4R7 and Mason Capital Master Fund, L.P. c/o Mason Capital Management LLC 110 East 59th Street New York, New York 10022 Ladies and Gentlemen: The undersigned, Scotia Capital Inc., (the “Sole Bookrunner” or “Underwriter”), understands that Mason Capital Master Fund, L.P.,

March 29, 2024 EX-99.3

March 27, 2024

Exhibit 99.3 March 27, 2024 We refer to the prospectus supplement dated March 27, 2024 (the “Prospectus Supplement”) to the short form base shelf prospectus dated March 27, 2024, forming part of the registration statement on Form F-10 (Registration No. 333-278270) dated March 27, 2024 (the “Registration Statement”) of ATS Corporation. We hereby consent to the use of our firm name under the heading

March 29, 2024 EX-99.2

March 27, 2024

Exhibit 99.2 March 27, 2024 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 Dear Sirs/Mesdames: Re: ATS Corporation – Registration Statement on Form F-10 We refer to the prospectus supplement dated March 27, 2024 (the “Prospectus Supplement”) to the short form base shelf prospectus dated March 27, 2024, forming part of the registration statement on Form F-10 (Registration No. 333-2

March 29, 2024 SUPPL

PROSPECTUS SUPPLEMENT TO THE SHORT FORM BASE SHELF PROSPECTUS DATED MARCH 27, 2024 Secondary Offering March 27, 2024 ATS CORPORATION 3,500,000 Common Shares

Table of Contents Filed Pursuant to General Instruction II.L of Form F-10 File No. 333- 278270 PROSPECTUS SUPPLEMENT TO THE SHORT FORM BASE SHELF PROSPECTUS DATED MARCH 27, 2024 Secondary Offering March 27, 2024 ATS CORPORATION C$162,925,000 3,500,000 Common Shares This Prospectus Supplement, together with the Base Shelf Prospectus, qualifies the distribution (the “Offering”) of 3,500,000 common s

March 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-4171

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principa

March 28, 2024 EX-99.1

ATS Announces C$163 Million Secondary Offering of Common Shares

EX-99.1 Exhibit 99.1 ATS Announces C$163 Million Secondary Offering of Common Shares Cambridge, ON, March 27, 2024 (GLOBE NEWSWIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) has announced today that it has entered into an agreement with a fund managed by Mason Capital Management LLC (the “Selling Shareholder”) and Scotiabank (the “Underwriter”), acting as Sole Bookrunner, p

March 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-4171

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of prin

March 28, 2024 EX-99.2

ATS Corporation

EX-99.2 Exhibit 99.2 ATS Corporation Secondary Offering of Common Shares Term Sheet March 27, 2024 A base shelf prospectus containing important information relating to the securities described in this document has been filed with the securities regulatory authorities in each of the provinces and territories of Canada (except Quebec). A copy of the base shelf prospectus, any amendment to the base s

March 28, 2024 SUPPL

Subject to completion, dated March 27, 2024 PRELIMINARY PROSPECTUS SUPPLEMENT TO THE SHORT FORM BASE SHELF PROSPECTUS DATED MARCH 27, 2024 Secondary Offering March    , 2024 ATS CORPORATION Common Shares

Table of Contents Filed Pursuant to General Instruction II.L of Form F-10 File No. 333- 278270 The information contained in this Preliminary Prospectus Supplement is not complete and may be changed. This Preliminary Prospectus Supplement and the accompanying Prospectus are not an offer to sell and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is no

March 27, 2024 EX-7.1

ATS CORPORATION as Issuer as Trustee Dated as of [   ]

Exhibit 7.1 ATS CORPORATION as Issuer AND [     ] as Trustee Indenture Dated as of [   ] ATS CORPORATION Reconciliation and tie between Trust Indenture Act of 1939 and Indenture, dated as of [     ] Trust Indenture Act Section Indenture Section § 310(a)(1) 607 (a)(2) 607 (b) 608 § 312(c) 701 § 314(a) 703 (a)(4) 904 (c)(1) 102 (c)(2) 102 (e) 102 § 315(b) 601 § 316(a)(last sentence) 101 (“Outstandin

March 27, 2024 F-X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A.  Name of issuer or person filing (“Filer”): ATS CORPORATION B. (1) This is [check one]: ☒ an original fili

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A.  Name of issuer or person filing (“Filer”): ATS CORPORATION B. (1) This is [check one]: ☒ an original filing for the Filer. ☐ an amended filing for the Filer. (2) Check the following box if you are filing the Form F-X in paper in accordance with Regulation

March 27, 2024 EX-FILING FEES

Calculation of Filing Fee Tables Form F-10 (Form Type) ATS Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities In US Dollars Security Type Security Class Title Fee Calculation Rule or Instruction Am

Exhibit 107 Calculation of Filing Fee Tables Form F-10 (Form Type) ATS Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities In US Dollars Security Type Security Class Title Fee Calculation Rule or Instruction Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee  Fees to Be Paid Unallocated  (Universal) Shelf  —  Rule 457(o) (1) (1) $170,650,000 (2) $147.

March 27, 2024 FWP

ATS Announces C$163 Million Secondary Offering of Common Shares

Filed Pursuant to Rule 433 Registration No. 333- 278270 March 27, 2024 ATS Announces C$163 Million Secondary Offering of Common Shares Cambridge, ON, March 27, 2024 (GLOBE NEWSWIRE) - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) has announced today that it has entered into an agreement with a fund managed by Mason Capital Management LLC (the “Selling Shareholder”) and Scotiabank

March 27, 2024 F-10

As filed with the Securities and Exchange Commission on March 27, 2024

As filed with the Securities and Exchange Commission on March 27, 2024 Registration No.

February 27, 2024 EX-99.1

ATS to Participate in the Raymond James 45th Annual Institutional Investors Conference

Appendix 99.1 ATS to Participate in the Raymond James 45th Annual Institutional Investors Conference 02/27/2024 CAMBRIDGE, ON / BUSINESS WIRE / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Raymond James 45th Annual Institutional Investors Conference in Or

February 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 14, 2024 SC 13G

CA:ATS / ATS Corporation / MASON CAPITAL MANAGEMENT LLC - ATS CORPORATION Passive Investment

SC 13G 1 p24-0778sc13g.htm ATS CORPORATION SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* ATS Corporation (Name of Issuer) Common shares (Title of Class of Securities) 00217Y104 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule p

February 12, 2024 6-K

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 12, 2024 EX-99.1

ATS to Participate in the Citi Global Industrial Tech and Mobility Conference

Exhibit 99.1 ATS to Participate in the Citi Global Industrial Tech and Mobility Conference CAMBRIDGE, Ontario-(BUSINESS WIRE)-February 12, 2024-ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Citi Global Industrial Tech and Mobility Conference in Miami, FL on

February 12, 2024 EX-99.1

ATS to Participate in the Barclays Industrials Select Conference

Exhibit 99.1 ATS to Participate in the Barclays Industrials Select Conference CAMBRIDGE, Ontario-(BUSINESS WIRE)-February 12, 2024-ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Barclays Industrials Select Conference in Miami, FL on February 22, 2024. Managem

February 12, 2024 6-K

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 9, 2024 SC 13G

CA:ATS / ATS Corporation / Capital International Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* ATS Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 00217Y104 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the

February 7, 2024 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended December 31, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended December 31, 2023

Appendix 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended December 31, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended December 31, 2023 This Management’s Discussion and Analysis (“MD&A”) for the three and nine months ended December 31, 2023 ("third quarter of fiscal 2024") is as of February 6, 2024 and provides information on the o

February 7, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended December 31, 2023. 2. No misrepresentations: Based on my knowledge,

February 7, 2024 EX-99.5

ATS Reports Third Quarter Fiscal 2024 Results

Appendix 99.5 ATS Reports Third Quarter Fiscal 2024 Results 02/07/2024 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today reported its financial results for the three and nine months ended December 31, 2023. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Third quarter highlights: •Revenues

February 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

February 7, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation (the "issuer") for the interim period ended December 31, 2023. 2. No misrepresentations: Based on my knowledge, h

February 7, 2024 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended December 31, 2023

Appendix 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended December 31, 2023 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note December 31 2023 March 31 2023 ASSETS 13 Current assets Cash and cash equivalents $ 260,888 $ 159,867 Accounts receivable 19 557,

January 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

January 23, 2024 EX-99.1

ATS To Host Third Quarter Earnings Call Wednesday February 7, 2024, at 8:30 a.m. Eastern

Exhibit 99.1 ATS To Host Third Quarter Earnings Call Wednesday February 7, 2024, at 8:30 a.m. Eastern CAMBRIDGE, Ontario-(BUSINESS WIRE)-January 23, 2024-ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the third quarter ended December 31, 2023, before the TSX opens on Wednesday, February 7, 2024. At 8:30 a.m. eastern February 7, 2024, the Compa

December 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

December 13, 2023 EX-99.1

ATS Announces Normal Course Issuer Bid

Exhibit 99.1 ATS Announces Normal Course Issuer Bid CAMBRIDGE, Ontario-(BUSINESS WIRE)-December 13, 2023-ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), today announced that the Toronto Stock Exchange (“TSX”) has accepted a notice filed by it of its intention to make a normal course issuer bid (“NCIB”). As of December 1, 2023, ATS had a total of 98,899,883 common shares issued and ou

November 20, 2023 EX-99.5

ATS CORPORATION (FORMERLY ATS AUTOMATION TOOLING SYSTEMS INC.), AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. AUTOMATION TOOLING SYSTEMS ENTERPRISES GMBH As Borrowers THE SUBSIDIARIES OF ATS CORPORATION FROM TIME TO TIME PARTY TO THIS AGREEMENT As Gua

Exhibit 99.5 Execution Version THIS FOURTH AMENDING AGREEMENT is made with effect as of October 5, 2023 BETWEEN: ATS CORPORATION (FORMERLY ATS AUTOMATION TOOLING SYSTEMS INC.), AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. and AUTOMATION TOOLING SYSTEMS ENTERPRISES GMBH As Borrowers and THE SUBSIDIARIES OF ATS CORPORATION FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors and THE LENDERS FROM

November 20, 2023 EX-99.3

ATS AUTOMATION TOOLING SYSTEMS INC., AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. AUTOMATION TOOLING SYSTEMS ENTERPRISES GMBH As Borrowers THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors

Exhibit 99.3 Execution Version THIS SECOND AMENDING AGREEMENT is made with effect as of August 12, 2021 BETWEEN: ATS AUTOMATION TOOLING SYSTEMS INC., AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. and AUTOMATION TOOLING SYSTEMS ENTERPRISES GMBH As Borrowers and THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors and THE LENDERS FROM TIME TO

November 20, 2023 EX-99.4

ATS AUTOMATION TOOLING SYSTEMS INC., AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. AUTOMATION TOOLING SYSTEMS GMBH As Borrowers THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors THE LENDERS

Exhibit 99.4 EXECUTION VERSION THIS THIRD AMENDING AGREEMENT is made with effect as of November 4, 2022 BETWEEN: ATS AUTOMATION TOOLING SYSTEMS INC., AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. and AUTOMATION TOOLING SYSTEMS GMBH As Borrowers and THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors and THE LENDERS FROM TIME TO TIME PARTY

November 20, 2023 EX-99.1

ATS AUTOMATION TOOLING SYSTEMS INC. AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. As Borrowers THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors THE LENDERS FROM TIME TO TIME PARTY TO THIS

Exhibit 99.1 ATS AUTOMATION TOOLING SYSTEMS INC. and AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. As Borrowers and THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors and THE LENDERS FROM TIME TO TIME PARTY TO THIS AGREEMENT As Lenders and THE BANK OF NOVA SCOTIA In its capacity as Administrative Agent and TD SECURITIES In its capacity as

November 20, 2023 EX-99.2

ATS AUTOMATION TOOLING SYSTEMS INC. AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. As Borrowers THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors THE LENDERS FROM TIME TO TIME PARTY TO THIS

Exhibit 99.2 THIS FIRST AMENDING AGREEMENT is made with effect as of May 21, 2021 BETWEEN: ATS AUTOMATION TOOLING SYSTEMS INC. and AUTOMATION TOOLING SYSTEMS ENTERPRISES, INC. As Borrowers and THE SUBSIDIARIES OF ATS AUTOMATION TOOLING SYSTEMS INC. FROM TIME TO TIME PARTY TO THIS AGREEMENT As Guarantors and THE LENDERS FROM TIME TO TIME PARTY TO THIS AGREEMENT As Lenders and THE BANK OF NOVA SCOTI

November 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 17, 2023 EX-99.1

ATS Completes Acquisition Of Avidity Science

Exhibit 99.1 ATS Completes Acquisition Of Avidity Science CAMBRIDGE, Ontario-(BUSINESS WIRE)-November 17, 2023-ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), today announced the successful completion of its acquisition of Avidity Science, LLC ("Avidity"), a growing designer and manufacturer of automated water purification solutions for biomedical and life science applications. ATS e

November 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 16, 2023 EX-99.1

ATS to Participate in the 2023 UBS Industrials Summit

Exhibit 99.1 ATS to Participate in the 2023 UBS Industrials Summit CAMBRIDGE, Ontario-(BUSINESS WIRE)-November 16, 2023-ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), an industry-leading automation solutions provider, today announced that Ryan McLeod, Chief Financial Officer will participate in the 2023 UBS Industrials Summit in Palm Beach, FL on November 29, 2023. Management will b

November 16, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 13, 2023 EX-99.1

ATS to Participate in the 23rd Annual Scotiabank Transportation & Industrials Conference

Exhibit 99.1 ATS to Participate in the 23rd Annual Scotiabank Transportation & Industrials Conference CAMBRIDGE, Ontario-(BUSINESS WIRE)-November 10, 2023-ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), an industry-leading automation solutions provider, today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the 23rd Ann

November 8, 2023 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended October 1, 2023. 2. No misrepresentations: Based on my knowledge, h

November 8, 2023 EX-99.5

ATS Reports Second Quarter Fiscal 2024 Results

Appendix 99.5 ATS Reports Second Quarter Fiscal 2024 Results 11/08/2023 Cambridge, ON / BUSINESS WIRE / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today reported its financial results for the three and six months ended October 1, 2023. All references to "$" or "dollars" in this news release are to Canadian dollars unless otherwise indicated. Second quarter highlights: •Revenues i

November 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 8, 2023 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended October 1, 2023

Appendix 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended October 1, 2023 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note October 1 2023 March 31 2023 ASSETS 11 Current assets Cash and cash equivalents $ 187,382 $ 159,867 Accounts receivable 17 512,263

November 8, 2023 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation (the "issuer") for the interim period ended October 1, 2023. 2. No misrepresentations: Based on my knowledge, hav

November 8, 2023 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended October 1, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended October 1, 2023

Appendix 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended October 1, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended October 1, 2023 This Management’s Discussion and Analysis (“MD&A”) for the three and six months ended October 1, 2023 ("second quarter of fiscal 2024") is as of November 7, 2023 and provides information on the operati

November 2, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

November 2, 2023 EX-99.1

ATS Corporation Releases FY2023 Sustainability Report

Exhibit 99.1 ATS Corporation Releases FY2023 Sustainability Report CAMBRIDGE, Ontario-(BUSINESS WIRE)-November 2, 2023-ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today released its FY2023 Sustainability Report for the period ending March 31, 2023. This is the Company’s fourth annual report and provides insights into the initiatives and outcomes that ATS is driving in terms of

November 1, 2023 EX-99.1

ATS to Participate in the Baird 2023 Global Industrial Conference

Exhibit 99.1 ATS to Participate in the Baird 2023 Global Industrial Conference CAMBRIDGE, Ontario-(BUSINESS WIRE)-November 1, 2023-ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), an industry-leading automation solutions provider, today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Baird 2023 Global Industrial Con

November 1, 2023 6-K

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

October 26, 2023 EX-99.1

ATS To Host Second Quarter Earnings Call Wednesday November 8, 2023, at 8:30 a.m. Eastern

Exhibit 99.1 ATS To Host Second Quarter Earnings Call Wednesday November 8, 2023, at 8:30 a.m. Eastern 10/26/2023 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the second quarter ended October 1, 2023, before the TSX opens on Wednesday November 8, 2023. At 8:30 a.m. eastern November 8, 2023, the Company will host a con

October 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princi

September 22, 2023 EX-99.1

ATS To Acquire Biomedical Research & Life Sciences Water Purification Equipment Provider Avidity Science

EX-99.1 Exhibit 99.1 ATS To Acquire Biomedical Research & Life Sciences Water Purification Equipment Provider Avidity Science 09/22/2023 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) a leading automation solutions provider, today announced it has entered into a definitive agreement to acquire Avidity Science, LLC (“Avidity”), a growing designer and manufac

September 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of prin

September 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of prin

September 6, 2023 EX-99.1

ATS Hosts 2023 Institutional Investor Day

Exhibit 99.1 NEWS RELEASE ATS Hosts 2023 Institutional Investor Day 09/06/2023 CAMBRIDGE, ON / CNW / ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”), an industry-leading automation solutions provider, is sharing additional details regarding today’s Institutional Investor Day. Investors who have not registered are invited to attend virtually by webcast via the event’s website. A replay

August 24, 2023 EX-99.1

ATS to Participate in the RBC Capital Markets Global Industrials Conference

EXHIBIT 99.1 ATS to Participate in the RBC Capital Markets Global Industrials Conference 08/23/2023 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the RBC Capital Markets Global Industrials Conference in Las Vegas, NV, on September 12, 202

August 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 22, 2023 EX-99.1

ATS to Participate in the Jefferies Industrials Conference

EXHIBIT 99.1 ATS to Participate in the Jefferies Industrials Conference 08/21/2023 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that Andrew Hider, Chief Executive Officer and Ryan McLeod, Chief Financial Officer will participate in the Jefferies Industrials Conference in New York, NY on September 7, 2023. ATS is scheduled to host a present

August 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-417

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of pri

August 11, 2023 EX-99.2

ATS CORPORATION (the “Corporation”) Annual and Special Meeting of Shareholders Held on August 10, 2023 REPORT OF VOTING RESULTS National Instrument 51-102 – Continuous Disclosure Obligations – Section 11.3 Matters Voted Upon Business Outcome of Vote

Exhibit 99.2 ATS CORPORATION (the “Corporation”) Annual and Special Meeting of Shareholders Held on August 10, 2023 REPORT OF VOTING RESULTS National Instrument 51-102 – Continuous Disclosure Obligations – Section 11.3 Matters Voted Upon Business Outcome of Vote 1.  The election of the following nominees as directors of the Corporation to hold office until the next annual meeting of shareholders o

August 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 11, 2023 EX-99.1

BY-LAW NO. 3 A By-Law amending By-Law No. 1 of the Corporation ATS CORPORATION (the “Corporation”)

EX-99.1 Exhibit 99.1 BY-LAW NO. 3 A By-Law amending By-Law No. 1 of the Corporation ATS CORPORATION (the “Corporation”) SECTION 1.1 – INTRODUCTION. The purpose of this By-Law No. 3 of the Corporation (“By-Law No. 3”) is to amend By-Law No. 1 of the Corporation (“By-Law No. 1”) to remove the Canadian residency requirement of directors contained in Section 2.2 of By-Law No. 1 as it is no longer a re

August 11, 2023 EX-99.1

ATS Announces Election Of Directors

EX-99.1 Exhibit 99.1 ATS Announces Election Of Directors 08/11/2023 CAMBRIDGE, ON, Aug. 11, 2023 / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that all of the nominee directors listed in the management information circular dated June 16, 2023, were elected as directors of ATS. The vote was conducted electronically at the virtual Annual and Special Meetin

August 9, 2023 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Andrew Hider, Chief Executive Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation ("the issuer"), for the interim period ended July 2, 2023. 2. No misrepresentations: Based on my knowledge, havi

August 9, 2023 EX-99.2

ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended July 2, 2023

Appendix 99.2 ATS CORPORATION Interim Condensed Consolidated Financial Statements For the period ended July 2, 2023 (Unaudited) ATS CORPORATION Interim Condensed Consolidated Statements of Financial Position (in thousands of Canadian dollars - unaudited) As at Note July 2 2023 March 31 2023 ASSETS 11 Current assets Cash and cash equivalents $ 123,520 $ 159,867 Accounts receivable 17 404,273 399,74

August 9, 2023 EX-99.5

ATS Reports First Quarter Fiscal 2024 Results

Appendix 99.5 ATS Reports First Quarter Fiscal 2024 Results 08/09/2023 Cambridge, ON / CNW / - ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today reported its financial results for the three months ended July 2, 2023. All references to "$" or "dollars" in this press release are to Canadian dollars unless otherwise indicated. First quarter highlights: •Revenues increased 23.4% year

August 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-417

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princip

August 9, 2023 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

Appendix 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Ryan McLeod, Chief Financial Officer of ATS Corporation, certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of ATS Corporation (the "issuer") for the interim period ended July 2, 2023. 2. No misrepresentations: Based on my knowledge, having

August 9, 2023 EX-99.1

ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended July 2, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended July 2, 2023

Appendix 99.1 ATS CORPORATION Management’s Discussion and Analysis For the Quarter Ended July 2, 2023 TSX: ATS NYSE: ATS Management’s Discussion and Analysis For the Quarter Ended July 2, 2023 This Management’s Discussion and Analysis (“MD&A”) for the three months ended July 2, 2023 ("first quarter of fiscal 2024") is as of August 8, 2023 and provides information on the operating activities, perfo

July 25, 2023 EX-99.1

ATS Announces Dates of First Quarter Results Conference Call and Annual & Special Shareholders’ Meeting

Exhibit 99.1 NEWS RELEASE ATS Announces Dates of First Quarter Results Conference Call and Annual & Special Shareholders’ Meeting 07/25/2023 CAMBRIDGE, ON / CNW /—ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) will report its financial results for the first quarter ended July 3, 2023 before the TSX opens on Wednesday August 9, 2023. At 8:30 a.m. eastern August 9, 2023, the Company

July 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of principal

July 19, 2023 EX-99.1

ATS Corporation Acquires Life Science Digitalization Solutions Provider Odyssey

Exhibit 99.1 ATS Corporation Acquires Life Science Digitalization Solutions Provider Odyssey 07/19/2023 CAMBRIDGE, ON / CNW / - ATS Corporation (TSX: ATS) (NYSE: ATS) (“ATS” or the “Company”) today announced that it has acquired Odyssey Validation Consultants Limited (“Odyssey”), an Ireland-based provider of digitalization solutions for the life science industry. The financial terms of the transac

July 19, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

July 12, 2023 EX-99.1

EX-99.1

2023 ANNUAL REPORT TODAY Building TomorrowBuilding Tomorrow Today At ATS Corporation, our shared purpose is to create solutions that positively impact lives around the world.

July 12, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

July 5, 2023 EX-99.5

holders (being shareholders who hold their shares through a broker, investment dealer, bank, trust company, custodian, nominee or other intermediary) who have not duly appointed themselves as proxy may attend as guests but will not be able to vote du

EX-99.5 Exhibit 99.5 Exhibit 99.5 [Graphic Appears Here] To start This year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. You will be able to view a live webcast of the meeting, ask the board questions and submit your votes in real time. You may also provide voting instructions before the meeting by completing the Form of

July 5, 2023 EX-99.4

Fold notification to Shareholders. Proxies submitted must be received by 10:00 a.m., Toronto time, on August 8, 2023. VOTE USING THE TELEPHONE OR INTERNET 24 HOURS A DAY 7 DAYS A WEEK! To Vote Using the Telephone • Call the number listed BELOW from a

EX-99.4 Exhibit 99.4 Exhibit 99.4 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com Security Class Holder Account Number Form of Proxy—Annual and Special Meeting to be held on August 10, 2023 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or company of their choice, who need not

July 5, 2023 EX-99.3

Fold notification to Shareholders. VIFs submitted must be received by 10:00 a.m., Toronto time, on August 8, 2023. VOTE USING THE TELEPHONE OR INTERNET 24 HOURS A DAY 7 DAYS A WEEK! To Vote Using the Telephone • Call the number listed BELOW from a to

EX-99.3 Exhibit 99.3 Exhibit 99.3 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com Security Class Holder Account Number Voting Instruction Form (“VIF”)—Annual and Special Meeting to be held on August 10, 2023 This VIF is solicited by and on behalf of Management. Notes to VIF 1. Every holder has the right to appoint some other person or company of their choice, who ne

July 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

July 5, 2023 EX-99.1

More information and updates on how to attend the Meeting will be made available on our website:

EX-99.1 Table of Contents Exhibit 99.1 Exhibit 99.1 Management Information CIRCULAR Notice of Annual and Special Meeting of Shareholders to be held August 10, 2023 Table of Contents — ATS 2023 MANAGEMENT INFORMATION CIRCULAR To Our Shareholders, On behalf of the Board and management team of ATS Corporation, we are pleased to invite you to attend our annual meeting of shareholders, to be held on Au

July 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

July 5, 2023 EX-99.1

ATS Acquires AI Process Optimizer Yazzoom

EX-99.1 Exhibit 99.1 ATS Acquires AI Process Optimizer Yazzoom 07/05/2023 CAMBRIDGE, ON / CNW /—ATS Corporation (TSX and NYSE: ATS) (“ATS” or the “Company”) today announced that it has acquired Yazzoom BV (“Yazzoom”), a Belgium-based provider of artificial intelligence (“AI”) and machine learning (“ML”)-based tools for industrial production. The financial terms of the transaction were not disclose

July 5, 2023 EX-99.2

www.computershare.com/ noticeandaccess web.lumiagm.com/411640407 Meeting

Exhibit 99.2 Exhibit 99.2 Have questions about this notice? Call the Toll Free Number below or scan the QR code to find out more Toll Free – 1-866 964-0492 www.computershare.com/ noticeandaccess web.lumiagm.com/411640407 Meeting ID—411-640-407 Password: ats2023 3rd Party Appointment Site— www.computershare.com/ATS Notice of Availability of Proxy Materials for ATS Corporation Annual and Special Mee

June 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-41713

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-41713 ATS CORPORATION (Translation of registrant’s name into English) 730 Fountain Street North Building 3 Cambridge, Ontario N3H 4R7 (Address of princ

June 30, 2023 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ATS CORPORATION (Exact name of registrant as sp

8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ATS CORPORATION (Exact name of registrant as specified in its charter) Ontario, Canada 98-0149239 (State of incorporation or organization) (I.R.S. Employer Identification No.) 730 Fountain S

June 30, 2023 EX-4.2

BY-LAW NO. 1 Business Corporations Act (Ontario) A by-law relating generally to the regulation of the business and affairs of ATS AUTOMATION TOOLING SYSTEMS INC.

Exhibit 4.2 BY-LAW NO. 1 Business Corporations Act (Ontario) A by-law relating generally to the regulation of the business and affairs of ATS AUTOMATION TOOLING SYSTEMS INC. (“Corporation”) TABLE OF CONTENTS Section I DEFINITIONS AND INTERPRETATION 1 1.1 Definitions 1 1.2 Certain Rules of Interpretation 1 Section II DIRECTORS 1 2.1 Quorum 1 2.2 Qualification 2 2.3 Election and Term 2 2.4 Removal o

June 30, 2023 EX-4.1

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EX-4.1 Exhibit 4.1 Ministry of Government and Consumer Services Ministère des Services gouvernementaux et des Services aux consommateurs Certificate of Amendment Certificat de modification Business Corporations Act Loi sur les sociétés par actions ATS CORPORATION Corporation Name / Dénomination sociale 1561410 Ontario Corporation Number / Numéro de société de l’Ontario This is to certify that thes

June 30, 2023 EX-4.5

ATS CORPORATION RESTRICTED SHARE UNIT PLAN May 17, 2023

Exhibit 4.5 ATS CORPORATION RESTRICTED SHARE UNIT PLAN May 17, 2023 RESTRICTED SHARE UNIT PLAN ARTICLE 1 DEFINITIONS AND INTERPRETATION 1.1 Definitions For purposes of this Plan: (a) “Account” means an account maintained by the Corporation for each Participant and which will be credited with RSUs in accordance with the terms of this Plan; (b) “Actively Employed” (or “Active Employment”) refers to

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