FORM 10-Q (Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March31, 2026or□TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from _________ to _________ Commission file number:001-14832_____________________ CELESTICA INC.(Exact Name of Registrant as Specified in Its Charter) Ontario, Canada98-0185558(State or other jurisdiction ofincorporation or organization)(I.R.S. EmployerIdentification No.) 5140 Yonge Street, Suite 1900Toronto, Ontario, CanadaM2N 6L7(Address of principal executive offices)(Zip Code) (416) 448-2211(Registrant’s telephone number, including area code)_____________________Securities registered pursuant to Section 12(b) of the Act: New York Stock Exchange Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90days. Yes☒No☐Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of theExchange Act. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒As of April22, 2026, the registrant had 114,973,107 Common Shares outstanding. CELESTICA INC.TABLE OF CONTENTS Part I. Financial Information Item 1. Financial Statements1Condensed Consolidated Balance Sheets as of March31, 2026 and December31, 20251Condensed Consolidated Statements of Operations for the Three Months Ended March31, 2026 and 20252Consolidated Statements of Comprehensive Income for the Three Months Ended March31, 2026 and 20253Condensed Consolidated Statements of Changes in Equity for the Three Months Ended March31, 2026 and 20254Condensed Consolidated Statements of Cash Flows for the Three Months Ended March31, 2026 and 20255Notes to Condensed Consolidated Financial Statements6Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations21Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk43Item 4. Controls and Procedures44Part II. Other Information45Item 1. Legal Proceedings45Item 1A. Risk Factors45Item 2. Unregistered Sales of Equity Securities and Use of Proceeds45Item 3. Defaults Upon Senior Securities45Item 5. Other Information45Item 6. Exhibits46Signatures47 PART I. FINANCIAL INFORMATION CELESTICAINC.CONDENSED CONSOLIDATED BALANCE SHEETS(inmillions of U.S.dollars)(unaudited) Assets Current assets:Cash and cash equivalentsAccounts receivable, netInventoriesOther current assetsTotal current assetsProperty, plant and equipment, netOperating lease right-of-use assetsGoodwillIntangible assets, netDeferred income taxesOther non-current assetsTotal assets Liabilities and Equity Current liabilities:Current portion of borrowings under credit facility and finance lease obligationsAccounts payableAccrued and other current liabilities and provisionsIncome taxes payableTotal current liabilitiesLong-term portion of borrowings under credit facility and finance lease obligationsPension and non-pension post-employment benefit obligationsOther non-current liabilities and provisionsDeferred income taxesTotal liabilitiesEquity:Total equityTotal liabilities and equity CELESTICAINC.CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS(inmillions of U.S.dollars, except per share amounts)(unaudited) CELESTICAINC.CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME(inmillions of U.S.dollars)(unaudited) Net earnings Total comprehensive income CELESTICA INC.CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY(in millions of U.S. dollars)(unaudited) CELESTICA INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS(in millions of U.S. dollars)(unaudited) Cash provided by (used in):Operating activities: Investing activities: Purchase of property, plant and equipm