(Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period endedMarch 31, 2025 □TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ 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 the Large accelerated filerNon-accelerated filer 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 April21, 2025, the registrant had114,991,980Common Shares outstanding. CELESTICA INC. Part I. Financial Information Item 1. Financial Statements 1CondensedConsolidated Balance Sheetsas ofMarch31, 2025 andDecember 31, 20241CondensedConsolidated Statements of Operationsfor theThreeMonths Ended March 31, 2025 and20242Consolidated Statements of ComprehensiveIncomefor the ThreeMonths Ended March 31, 2025 and 20243CondensedConsolidated Statements ofChanges inEquityfor theThreeMonths Ended March 31, 2025 and20244CondensedConsolidated Statements of Cash Flowsfor theThreeMonths Ended March 31, 2025and20245 PART I. FINANCIAL INFORMATION CELESTICAINC.CONDENSED CONSOLIDATED BALANCE SHEETS(inmillions of U.S.dollars) Assets Current assets:Cash and cash equivalentsAccounts receivable, netInventoriesOther current assets Total assets Liabilities and EquityCurrent 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 liabilitiesCommitments and contingenciesEquity:Total equityTotal liabilities and equity CELESTICAINC.CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS(inmillions of U.S.dollars, except per share amounts) Net earnings Other comprehensive income (loss), net of taxLosses related to defined benefit pension and non-pension post-employment benefit plansCurrency translation differences for foreign operationsUnrealized gain (loss) on currency forward derivative hedgesUnrealized gain (loss) on interest rate swap derivative hedgesTotal other comprehensive income (loss), net of tax Total comprehensive income Investing activities: Purchase of property, plant and equipmentNet cash used in investing activities Financing activities: Borrowings under revolving loansRepayments under revolving loansRepayments under term loansPrincipal payments of finance leasesProceeds from issuance of capital stockRepurchase of capital stock for cancellationPurchase of treasury stock for SBC plansProceeds from TRS settlementSBC cash settlementDebt issuance costs paidNet cash used in financing activities Net decrease in cash and cash equivalentsCash and cash equivalents, beginning of periodCash and cash equivalents, end of period Supplemental disclosure information: Interest paidNet income taxes paidNon-cash investing activity:Unpaid purchases of property, plant and equipment at end of period The accompanying notes are an integral part of these unaudited interim condensed consolidated financial statements. CELESTICA INC.NOTES TOCONDENSEDCONSOLIDATED FINANCIAL STATEMENTS 1.REPORTING ENTITY Celestica Inc. (referred to herein as Celestica, the Company, we, us, or our) is incorporated in Ontario with its corporate headquarterslocated in Toronto, Ontario, Canada. Celestica’s common shares (Common Shares) are listed on the Toronto Stock Exchange (TSX)and the New York Stock Exchange (NYSE). Our operating and reportable segments consist of the Advanced Technology Solutions 2.BASIS OF PREPARATION AND SIGNIFICANT ACCOUNTING POLICIES Basis of preparation: These unaudited interim condensed consolidated financial statements for the period ended March31, 2025 (Q1 2025 Interim FinancialStatements) have been prepared in accordance with generally