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FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

For the month of July 2007

001-14832
(Commission File Number)

CELESTICA INC.
(Translation of registrant’s name into English)

12 Concorde Place, 5th Floor
Toronto, Ontario
Canada M3C 3R8
(416) 448-5800
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F x

Form 40-F o

Indicate by check mark whether the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark whether the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether by furnishing the information contained in this Form, is the registrant also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o

No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-

Celestica Inc.
Form 6-K
Month of July 2007

The following information filed with this Form 6-K is incorporated by reference in Celestica’s registration statements, the prospectuses included therein, and any registration statement subsequently filed by Celestica with the Securities and Exchange Commission:

· Management’s Discussion and Analysis of Financial Conditions and Results of Operations for the Second Quarter 2007, the text of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

· Press Release, dated July 26, 2007, the text of which is attached hereto as Exhibit 99.2 and is incorporated herein by reference, including Celestica Inc.’s second quarter 2007 consolidated financial information.

· Certification of Chief Executive Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a), the text of which is attached hereto as Exhibit 99.3 but is not incorporated herein by reference.

· Certification of Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a), the text of which is attached hereto as Exhibit 99.4 but is not incorporated herein by reference.

· Certification pursuant to Rule 13a-14(b), as required by 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002., the text of which is attached hereto as exhibit 99.5 but is not incorporated herein by reference.

Exhibits

99.1 - Management’s Discussion and Analysis for the Second Quarter 2007

99.2 - Press Release, dated July 26, 2007

99.3 - - Certification of Chief Executive Officer

99.4 - - Certification of Chief Financial Officer

99.5 - - Certification required by Section 906 of the Sarbanes-Oxley Act of 2002

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		CELESTICA INC.


Date: July 31, 2007	By:	/s/ Elizabeth L. DelBianco
		Elizabeth L. DelBianco
		Chief Legal Officer

EXHIBIT INDEX

99.1 - Management’s Discussion and Analysis for the Second Quarter 2007

99.2 - Press Release, dated July 26, 2007

99.3 - Certification of Chief Executive Officer

99.4 - Certification of Chief Financial Officer

99.5 - Certification required by Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 99.1

MANAGEMENT’S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
Second Quarter 2007

The following discussion of the financial condition and results of operations should be read in conjunction with the 2006 Consolidated Financial Statements and the June 30, 2007 Interim Consolidated Financial Statements, which we prepared in accordance with Canadian GAAP. A reconciliation to United States GAAP is disclosed in note 20 to the 2006 Consolidated Financial Statements. All dollar amounts are expressed in U.S. dollars. The information in this discussion is provided as of July 20, 2007.

Certain statements contained in the following Management’s Discussion and Analysis of Financial Condition and Results of Operations constitute forward-looking statements within the meaning of section 27A of the U.S. Securities Act and section 21E of the U.S. Exchange Act, including, without limitation, statements related to our future growth, trends in our industry, our financial or operational results, and our financial or operational performance. Such forward-looking statements are predictive in nature, and may be based on current expectations, forecasts or assumptions involving risks and uncertainties that could cause actual outcomes and results to differ materially from the forward-looking statements themselves. Such forward-looking statements may, without limitation, be preceded by, followed by, or include words such as “believes,” “expects,” “anticipates,” “estimates,” “intends,” “plans,” or similar expressions, or may employ such future or conditional verbs as “may”, “will”, “should” or “would” or may otherwise be indicated as forward-looking statements by grammatical construction, phrasing or context. For those statements, we claim the protection of the safe harbor for forward-looking statements contained in the U.S. Private Securities Litigation Reform Act of 1995, and in any applicable Canadian securities legislation. Forward-looking statements are not guarantees of future performance. You should understand that the following important factors could affect our future results and could cause those results to differ materially from those expressed in such forward-looking statements: inability to retain or grow our business due to execution problems resulting from significant headcount reductions, plant closures and product transfers associated with major restructuring activities; the effects of price competition and other business and competitive factors generally affecting the EMS industry; the challenges of effectively managing our operations during uncertain economic conditions; our dependence on a limited number of customers; variability of operating results among periods; our dependence on industries affected by rapid technological change; the challenge of responding to lower-than-expected customer demand; our ability to successfully manage our international operations; and the delays in the delivery and/or general availability of various components used in our manufacturing process. These and other risks and uncertainties are discussed in our various filings with the Canadian Securities Commissions and the U.S. Securities and Exchange Commission, including our Annual Report on Form 20-F and subsequent reports on Form 6-K filed with the U.S. Securities and Exchange Commission.

Except as required by law, we disclaim any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. You should read this document with the understanding that our actual future results may be materially different from what we expect. We may not update these forward-looking statements, even if our situation changes in the future. All forward-looking statements attributable to us are expressly qualified by these cautionary statements.

Overview

What Celestica does:

We provide a range of electronics manufacturing services (EMS) and solutions to original equipment manufacturers (OEMs) in the computing, communications, industrial and consumer end markets. We operate a global manufacturing and supply chain network.

Overview of business environment:

The EMS industry is comprised of companies that provide a broad range of electronics manufacturing services to OEMs. During the past decade, OEMs have shifted more of their manufacturing and supply chain activities to EMS

providers in order to drive greater manufacturing flexibility and improve their financial returns. As a result, the EMS industry experienced rapid change and growth during this past decade. Today, the leading EMS companies have global manufacturing networks with worldwide supply chain management that provide end-to-end services for the entire product lifecycle, including design and engineering, manufacturing and systems integration, fulfillment and after-market services.

The majority of our revenue (75% for the first half of 2007; 79% for 2005) is derived from customers in the following end markets: enterprise communications, telecommunications, servers and storage. The EMS industry was negatively impacted by significant demand weakness, particularly in these end markets during the period from 2001 to 2003. Although the industry has seen overall growth in these markets during the past several years, the OEMs serving these markets have seen technology shifts and varying growth rates for the products sold into these markets. This shift has negatively impacted a large portion of our revenue as many of the products we manufacture have continued to experience weaker demand versus other products sold by our customers that have experienced improved demand but are manufactured by other EMS providers.

Our concentration with customers in these end markets, combined with our significant manufacturing capacity in higher-cost geographies, has had a significant adverse impact on our revenue, margins and utilization rates during the past several years. The end market weakness also created excess capacity in the EMS industry, generally resulting in pricing pressures and major restructuring initiatives in higher-cost geographies for most North American based EMS companies.

In order to diversify our revenue base, we have been broadening our exposure to new end markets. Revenue from the consumer end market was 18% for the first half of 2007 compared to 11% for 2005. Revenue from the industrial, aerospace and defense end markets ranged from 7% to 11% during the past several years. We will continue to pursue opportunities in these markets as they have been among the most stable and growing technology markets during the past several years.

Revenue for 2006 was $8.8 billion, up 4% from $8.5 billion in 2005. Though revenue showed modest improvement, margins were significantly impacted in 2006 by the inefficiencies and higher than expected costs of transferring programs and ramping new customers in Mexico and the underutilization of our facilities in Europe. The challenges that we experienced, particularly in Mexico, also resulted in operational and execution issues which had a negative impact on our relationship with certain customers in 2006 and has had continuing revenue impact in 2007. Though end market visibility is generally limited in our industry, we anticipate that the majority of the end markets we currently serve will exhibit stable to very modest growth throughout 2007, except for the telecommunications market which we expect will remain weak for us throughout 2007. Year-to-date revenue for 2007 was $3.8 billion.

In the EMS industry, OEMs award new programs or shift programs to other EMS providers for a variety of reasons including changes in demand for the OEMs’ products, pricing benefits offered by other providers, execution issues, preference for consolidation or a change in their supplier base, as well as a decision to outsource additional business. While our operating results for each quarter tend to reflect the impact of programs being transferred to and from our competitors, we anticipate that new customer or program wins from competitors will exceed customer or program losses going forward.

Key strategic initiatives:

Operating margins in 2006 and 2007 have been negatively impacted by the operational challenges in our facilities in Mexico and Europe. We are continuing to aggressively execute on our 2007 recovery plans and have seen some improvement in margins for the second quarter of 2007. We have established five priorities for 2007 in order to improve the financial results at these facilities, as follows:

1. restore customer confidence;

2. improve operating and financial performance in Mexico;

3. restore profitability in Europe by generating more business with European OEMs;

4. improve asset utilization, focusing primarily on inventory turnover; and

5. drive efficiency through simplicity and the elimination of waste by reducing overhead structures, streamlining processes and fostering a lean culture.

As part of the plan to simplify our operations in Mexico, we are transferring certain customers from Mexico to our Asian facilities and disengaging with certain non-strategic customers that were adding to the complexity of our Mexican operations. To date, we have completed most of the planned program transfers and disengagements, with the balance planned to occur over the next several quarters. As a result of these transfers from Mexico, we have reduced our inventory parts complexity, as well as reduced our warehouse space requirements and headcount, primarily through a reduction of the temporary workforce at that site. Customer satisfaction levels have improved during the first half of 2007, evidenced by new business wins from existing customers, to be manufactured in our Mexico facility.

Recent acquisitions and divestitures:

In March 2006, we acquired certain assets located in the Philippines from Powerwave Technologies, Inc. and signed a multi-year supply agreement. This acquisition strengthened our relationship with an existing customer in the telecommunications market. Powerwave announced that Celestica would become its global preferred outsourcing partner. In June 2006, we sold our plastics injection molding business (which we acquired as part of an EMS acquisition). Our plastics business, which operated primarily in Asia, represented less than 1% of our total revenue. In September 2006, we sold one of our European facilities to a third party as part of our restructuring program and the purchaser agreed to retain all employees.

Summary of 2Q 2007

Financing and capital structure:

We continued to maintain a strong balance sheet throughout the second quarter of 2007 and finished the quarter with a cash balance of $747.0 million and an undrawn credit facility. We renegotiated the terms of our credit facility in April 2007.

Overview of 2Q 2007 results:

The following table sets forth, for the periods indicated, certain key operating results and other financial information (in millions, except per share amounts):

	Three months ended June 30					Six months ended June 30
	2006			2007		2006			2007

Revenue	$	2,223.5		$	1,937.0	$	4,157.5		$	3,779.3
Gross profit	124.7			90.6		230.5			169.2
Selling, general and administrative expenses (SG&A)	75.9			71.0		150.4			145.4
Net earnings (loss)	(30.3		)	24.9		(47.7		)	(9.4		)

Diluted earnings (loss) per share	$	(0.13	)	$	0.11	$	(0.21	)	$	(0.04	)

	As at December 31		As at June 30
	2006		2007

Total assets	$	4,686.3	$	4,291.1
Total long-term financial liabilities	750.8		738.7

Revenue for the second quarter of 2007 of $1.9 billion decreased 13% from $2.2 billion for the same period in 2006, primarily due to lower volume from customers in the telecommunications market. Revenue was also negatively impacted by program losses, customer disengagements primarily in the industrial market and divestitures in 2006. As we continue to execute on our recovery plans, we expect that the revenue impact of program losses will be offset by the favourable impact from new business wins.

We are focused on improving the financial results of our Mexican operations. Our plans include, but are not limited to, consolidating our warehouses, reconfiguring our manufacturing lines and improving our warehouse logistics, implementing best practices in supply chain and materials management and controls, integrating our ERP platforms into one, and increasing our Mexico team’s skills and capabilities. We have also transferred certain customers or programs to our Asian manufacturing operations. In addition to customer-initiated disengagements, we have chosen to disengage with certain other customers. The remaining few disengagements, which have been delayed, will be completed over the next several quarters. Mexico’s operating losses, calculated as gross profit less SG&A, for the three and six months ended June 30, 2007 were $21 million and $38 million, respectively, compared to operating losses of $8 million and $19 million, respectively, for the three and six months ended June 30, 2006. Operating losses have worsened sequentially and compared to the prior year primarily due to the impact of lower volumes, as well as the costs of implementing process improvements and higher than expected costs of disengaging with certain customers. Though we expect Mexico to continue to incur operating losses for the next several quarters, Mexico remains a strategic part of our operations and we expect gradual improvements in the coming quarters.

We have a low-cost manufacturing network in Eastern Europe, which is comprised of facilities in the Czech Republic and Romania. These facilities currently are underutilized but we are focused on attracting new European OEMs. Although new customer wins are expected to launch within the next 12 months, the operations are currently underutilized and generating operating losses of $11 million and $22 million for the three and six months ended June 30, 2007, respectively, compared to operating losses of $6 million and $12 million for the three and six months ended June 30, 2006, respectively. Operating losses for Europe have worsened compared to the prior year primarily due to the impact of lower volumes. Europe remains a strategic market for us and we expect improvements in financial performance as volumes improve.

Gross margin was 4.7% of revenue in the second quarter of 2007 compared to 5.6% for the same period in 2006. The decrease in margins reflects the impact of lower volumes, the continued losses in Mexico and continued underutilization of facilities in Europe.

SG&A expenses for the second quarter of 2007 as a percentage of revenue were 3.7% compared to 3.4% of revenue for the same period in 2006. The increase in percentage primarily reflects the lower revenue in the second quarter of 2007. On an absolute basis, SG&A expenses decreased 6% year-over-year reflecting lower variable compensation expense and the benefits from restructuring actions.

We recorded restructuring charges of $2.5 million during the second quarter of 2007. We expect to complete the remainder of our announced restructuring actions by the end of 2007. We anticipate that we will incur between $20 million and $40 million in restructuring charges during 2007.

Other performance indicators:

In addition to the key financial, revenue and earnings-related metrics described above, management regularly reviews the following working capital metrics:

	1Q06		2Q06		3Q06		4Q06		1Q07		2Q07

Days in accounts receivable	47		42		40		41		45		42
Days in inventory	55		52		52		53		59		50
Days in accounts payable	(87	)	(77	)	(76	)	(77	)	(80	)	(66	)
Cash cycle days	15		17		16		17		24		26

Days in accounts receivable (A/R) is calculated as the average A/R for the quarter divided by the average daily revenue. Days in inventory is calculated as the average inventory for the quarter divided by the average daily cost of sales. Days in accounts payable (A/P) is calculated as the average A/P (including accruals) for the quarter divided by average daily cost of sales. Cash cycle days is calculated as the sum of days in A/R and inventory, less the days in A/P.

Average cash cycle days for the second quarter of 2007 have worsened sequentially primarily due to the timing of payments to suppliers. This deterioration was partially offset by lower A/R days and lower inventory levels. Inventory at the end of the second quarter of 2007 decreased sequentially by 12% due to improved inventory management and customer disengagements, particularly in Mexico.

Critical Accounting Policies and Estimates

We prepare our financial statements in accordance with Canadian GAAP with a reconciliation to United States GAAP, as disclosed in note 20 to the 2006 Consolidated Financial Statements.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and related disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period. Significant accounting policies and methods used in the preparation of the financial statements are described in note 2 to the 2006 Consolidated Financial Statements. We evaluate our estimates and assumptions on a regular basis, based on historical experience and other relevant factors. Actual results could differ materially from these estimates and assumptions. The following critical accounting policies are impacted by judgments, assumptions and estimates used in the preparation of the Consolidated Financial Statements.

Revenue recognition:

We derive most of our revenue from the sale of electronic equipment that we have built to customer specifications. We recognize revenue from product sales when all of the following criteria have been met: shipment has occurred; title has passed; persuasive evidence of an arrangement exists; performance has occurred; receivables are reasonably assured of collection; customer specified test criteria have been met; and the earnings process is complete. We have contractual arrangements with the majority of our customers that require the customer to purchase unused inventory that we have purchased to fulfill that customer’s forecasted manufacturing demand. We account for raw material returns as reductions in inventory and do not recognize revenue on these transactions.

We provide warehousing services in connection with manufacturing services to certain customers. We assess these contracts to determine whether the manufacturing and warehousing services can be accounted for as separate units of accounting. If the services do not constitute separate units of accounting, or the manufacturing services do not meet all of the revenue recognition requirements, we defer recognizing revenue until the products have been shipped to the customer.

Allowance for doubtful accounts:

We record an allowance for doubtful accounts related to accounts receivable that are considered to be impaired. The allowance is based on our knowledge of the financial condition of our customers, the aging of the receivables, the current business environment, customer and industry concentrations, and historical experience. If any of our customers have insufficient liquidity, we may encounter significant delays or defaults in payments owed to us by our customers. This may result in our restructuring the debt or extending payment terms which may have a significant adverse effect on our financial condition and results of operations. A change to these factors could impact the estimated allowance and the provision for bad debts recorded in selling, general and administrative expenses.

Inventory valuation:

We value our inventory on a first-in, first-out basis at the lower of cost and replacement cost for raw materials, and at the lower of cost and net realizable value for work in progress and finished goods. We regularly adjust our inventory valuation based on shrinkage and management’s estimates of net realizable value, taking into consideration factors such as inventory aging, future demand for the inventory, and the nature of the contractual agreements with customers and suppliers, including the ability to return inventory to them. A change to these assumptions could impact the valuation of inventory and have a resulting impact on gross margins.

Warranty costs:

We have recorded a liability for warranty costs. As part of the normal sale of a product or service, we provide our customers with product or service warranties that extend for periods generally ranging from one to three years from the date of sale. The liability for the expected cost of warranty-related claims is established when products are sold and services are rendered. In estimating the warranty liability, historical material replacement costs and the associated labor to correct the defect are considered. Revisions to these estimates are made when actual experience differs materially from historical experience. Known product or service defects are specifically accrued as we become aware of such defects. Changes to the estimates could impact the liability and have a resulting impact on gross margins.

Income taxes:

We have recorded an income tax expense or recovery based on the income earned or loss incurred in each tax jurisdiction and the tax rate applicable to that income or loss. In the ordinary course of business, there are many transactions for which the ultimate tax outcome is uncertain. The final tax outcome of these matters may be different than the estimates originally made by management in determining our income tax provisions. A change to these estimates could impact the income tax provision.

We record a valuation allowance against deferred income tax assets when management believes it is more likely than not that some portion or all of the deferred income tax assets will not be realized. Management considers factors such as the reversal of deferred income tax liabilities, projected future taxable income, the character of the income tax asset, tax planning strategies, changes in tax laws and other factors. A change to these factors could impact the estimated valuation allowance and income tax expense.

Goodwill:

We perform our annual goodwill impairment test in the fourth quarter of each year (to correspond with our planning cycle), and more frequently if events or changes in circumstances indicate that an impairment loss may have been incurred. Impairment is tested at the reporting unit level by comparing the reporting unit’s carrying amount to its fair value. The fair values of the reporting units are estimated using a combination of a market approach and discounted cash flows. The process of determining fair values is subjective and requires management to exercise judgment in making assumptions about future results, including revenue and cash flow projections at the reporting unit level, and discount rates. We recorded an impairment loss in 2002 and in 2004. Future goodwill impairment tests may result in further impairment charges.

Long-lived assets:

We perform our annual impairment tests on long-lived assets in the fourth quarter of each year (to correspond with our planning cycle), and more frequently if events or changes in circumstances indicate that an impairment loss may have been incurred. We estimate the useful lives of capital and intangible assets based on the nature of the asset, historical experience and the terms of any related supply contracts. The valuation of long-lived assets is based on the amount of future net cash flows that these assets are estimated to generate. Revenue and expense projections are based on management’s estimates, including estimates of current and future industry conditions. A significant change to these assumptions could impact the estimated useful lives or valuation of long-lived assets resulting in a change to depreciation or amortization expense and impairment charges. We have recorded long-lived asset impairment losses in every year since 2001. Future impairment tests may result in further impairment charges.

Restructuring charges:

We have recorded restructuring charges relating to workforce reductions, facility consolidations and costs associated with exiting businesses. The restructuring charges include employee severance and benefit costs, costs related to leased facilities that have been abandoned or subleased, owned facilities which are no longer used and are available-for-sale, costs of leased

equipment that have been abandoned, impairment of owned equipment available-for-sale, and impairment of related intangible assets. The recognition of these charges requires management to make certain judgments and estimates regarding the nature, timing and amounts associated with these plans. For owned facilities and equipment, the impairment loss recognized is based on the fair value less costs to sell, with fair value estimated based on existing market prices for similar assets. For leased facilities that have been abandoned or subleased, the liability for lease obligations is calculated on a discounted basis based on future lease payments subsequent to abandonment less estimated sublease income. To estimate future sublease income, we worked with independent brokers to determine the estimated tenant rents we could expect to realize. The estimated liability may change subsequent to its initial recognition, requiring adjustments to the liability recorded. At the end of each reporting period, we evaluate the appropriateness of the remaining accrued balances.

Pension and non-pension post-employment benefits:

We have pension and non-pension post-employment benefit costs and liabilities, which are determined from actuarial valuations. Actuarial valuations require management to make certain judgments and estimates relating to expected plan investment performance, salary escalation, compensation levels at the time of retirement, retirement ages, and expected healthcare costs. We evaluate these assumptions on a regular basis, taking into consideration current market conditions and historical data. A change in these factors could impact future pension expense.

A. Operating Results

We are required to disclose certain information in our financial statements regarding operating segments, products and services, geographic areas and major customers. Operating segments are defined as components of an enterprise for which separate financial information is available that is regularly evaluated by the chief operating decision maker in deciding how to allocate resources and in assessing performance. In 2006, we had three reportable operating segments: Asia, Americas and Europe. Beginning in the first quarter of 2007, we realigned our organizational structure to more effectively manage our operations. We evaluate financial information for purposes of making decisions and assessing financial performance based on the types of services we offer. Our operating segments include electronics manufacturing and global services, which we combined for reporting purposes because our global services segment does not meet the qualitative thresholds for separate segment disclosure.

Our annual and quarterly operating results vary from period to period as a result of the level and timing of customer orders, fluctuations in materials and other costs, and the relative mix of value-add products and services. The level and timing of customers’ orders will vary due to their attempts to balance their inventory, changes in their supply chain strategies or suppliers, variation in demand for their products and general economic conditions. Our annual and quarterly operating results are also affected by the mix and seasonality of business in each of the end markets, price competition, mix of manufacturing value-add, the degree of automation used in the assembly process, capacity utilization, manufacturing effectiveness and efficiency, shortages of components or labor, the costs of ramping up programs, customer product delivery requirements, the costs and inefficiencies of transferring programs between facilities, the loss of programs and customer disengagements, the impact of foreign exchange fluctuations, the performance of third-party providers for certain IT systems and production support, the ability to manage labor, inventory and capital assets effectively, the timing of expenditures in anticipation of forecasted sales levels, and the timing of acquisitions and related integration costs, and other factors.

The table below sets forth certain operating data expressed as a percentage of revenue for the periods indicated:

	Three months ended June 30				Six months ended June 30
	2006		2007		2006		2007

Revenue	100.0	%	100.0	%	100.0	%	100.0	%
Cost of sales	94.4		95.3		94.5		95.5
Gross profit	5.6		4.7		5.5		4.5
SG&A	3.4		3.7		3.6		3.8
Amortization of intangible assets	0.3		0.3		0.3		0.3
Other charges	2.4		—		1.7		0.2
Interest expense, net	0.7		0.7		0.7		0.8
Earnings (loss) before income taxes	(1.2	)	—		(0.8	)	(0.6	)
Income taxes recovery (expense)	(0.2	)	1.3		(0.3	)	0.4
Net earnings (loss)	(1.4	)%	1.3	%	(1.1	)%	(0.2	)%

Revenue:

Revenue for the second quarter of 2007 of $1.9 billion decreased 13% from $2.2 billion for the same period in 2006. Revenue decreased 9% to $3.8 billion in the first half of 2007 compared to the same period in 2006. For both periods, revenue decreased primarily due to lower volume from customers in the telecommunications market. Revenue was also negatively impacted by program losses, customer disengagements primarily in the industrial market and divestitures in 2006. For the first half of 2007, these revenue decreases were partially offset by higher revenue from new program wins in the consumer and server markets, compared to the first half of 2006.

The following table shows the end markets we serve as a percentage of revenue for the indicated periods:

	Three months ended				Three months ended
	June 30				March 31
	2006		2007		2007

Enterprise communications	27	%	29	%	32	%
Telecommunications	20	%	14	%	13	%
Servers	17	%	20	%	18	%
Consumer	17	%	18	%	18	%
Storage	9	%	11	%	11	%
Industrial	10	%	8	%	8	%

Historically, our primary end markets were the computing (comprised of servers and storage) and communications markets. To reduce our reliance on these end markets, we have been targeting customers in the consumer and industrial, aerospace and defense markets. Revenue from these markets represented 26% of revenue in the second quarter of 2007. This has decreased from the 27% of revenue in the second quarter of 2006, primarily reflecting our decision to disengage with certain non-strategic customers, primarily in the industrial market. Revenue in the consumer market for the second quarter of 2007 was essentially flat sequentially, as this market seasonally peaks in the second half of the year.

Our revenue and operating results will vary from period to period depending on the level of business and seasonality in each of these end markets, as well as the mix and complexity of the products manufactured, among other factors.

Although we have diversified into new markets, we are still dependent on a limited number of customers in the computing and communications markets for a substantial portion of our revenue. The weakness that we experienced, particularly in the telecommunications market, negatively impacted our first half of 2007. We expect our telecommunications market to remain weak throughout 2007.

The following customers represented more than 10% of total revenue for each of the indicated periods:

	Three months ended June 30
	2006	2007

Cisco Systems	ü	ü
Sun Microsystems		ü
Alcatel-Lucent	ü

Whether any of our top customers account for revenue greater than 10% in any period depends on various factors affecting our business with that customer and other customers, including seasonality of business, new programs wins, program consolidations or losses, the phasing in or out of programs, changes in end-market demand, price competition and changes in our customers’ supplier base or supply chain strategies.

The following table shows our customer concentration as a percentage of total revenue for the indicated periods:

	Three months ended June 30
	2006		2007

Top 10 customers	62	%	64	%
Non-top 10 customers	38	%	36	%

We are dependent upon continued revenue from our top customers. There can be no assurance that revenue from these or any other customers will not decrease in absolute terms or as a percentage of total revenue, either individually or as a group. Any material decrease in revenue from these or other customers could have a material adverse effect on our results of operations.

We believe our growth depends on increasing sales to existing customers for their current and future product generations, expanding and adding on related manufacturing and support services, successfully attracting new customers, and expanding our market penetration in more stable and growing markets, such as consumer and industrial, aerospace and defense. Customers may cancel contracts and volume levels can be changed or delayed. The timely replacement of delayed, cancelled or reduced orders with new business cannot be assured. In addition, we have no assurance that any of our current customers will continue to utilize our services, which could have a material adverse impact on our results of operations.

Gross profit:

The following table is a breakdown of gross profit and gross margin as a percentage of revenue for the indicated periods:

	Three months ended June 30						Six months ended June 30
	2006			2007			2006			2007

Gross profit (in millions)	$	124.7		$	90.6		$	230.5		$	169.2
Gross margin	5.6		%	4.7		%	5.5		%	4.5		%

The decrease in gross margin in the second quarter and first half of 2007 compared to the same periods in 2006 reflects the impact of lower volumes, continued losses in Mexico and continued underutilization of facilities in Europe.

The nature of our business causes gross margin to fluctuate based on product volume and mix, production efficiencies, utilization of manufacturing capacity, manufacturing costs, start-up and ramp-up activities, new product introductions, cost structures at individual sites, and other factors, including pricing due to the overall highly competitive nature of the EMS

industry. In addition, the availability of components, which is subject to lead time and other constraints, could affect our revenue and margins.

Selling, general and administrative expenses:

SG&A expenses decreased 6% to $71.0 million (3.7% of revenue) in the second quarter of 2007 compared to $75.9 million (3.4% of revenue) in the same period of 2006. SG&A expenses for the first half of 2007 decreased 3% to $145.4 million (3.8% of revenue) compared to the same period in 2006. The increase in SG&A percentage reflects the lower revenue levels for 2007. On an absolute basis, SG&A expenses have decreased year-over-year reflecting lower variable compensation expense and the benefits from restructuring actions.

Other charges:

We have recorded the following restructuring charges for the indicated periods (in millions):

	Three months ended June 30				Six months ended June 30
	2006		2007		2006		2007

2001 to 2004 restructuring	$	0.6	$	0.9	$	1.1	$	0.5
2005 to 2007 restructuring	19.6		1.6		36.1		10.0
Total restructuring	$	20.2	$	2.5	$	37.2	$	10.5

To date, we have recorded charges in connection with our restructuring plans in response to the challenging economic climate and our strategy to move production from higher-cost to lower-cost geographies. These actions, which included reducing our workforce and consolidating and repositioning the number and location of production facilities, were largely intended to align our capacity and infrastructure to anticipated customer requirements for more capacity in lower-cost regions, as well as to rationalize our manufacturing network to lower demand levels.

These restructuring plans were focused primarily in the Americas and Europe, as those regions had high cost structures and were most impacted by the downturn in business volumes. Approximately 30,000 employees have been released from the business in connection with these restructuring activities. Approximately 70% of the employee terminations were in the Americas, 25% in Europe and 5% in Asia. As a result of all our restructuring actions to date, we have closed or downsized approximately 50 facilities, primarily in the Americas and Europe. All cash outlays have been, and currently foreseeable outlays are expected to be, funded from cash on hand.

We have completed the major components of the 2001 to 2004 restructuring plans, except for certain long-term lease and other contractual obligations which we expect to pay out over the remaining lease terms through 2015.

In January 2005, we announced plans to further improve capacity utilization and accelerate margin improvements through additional restructuring. These restructuring actions have included facility closures and a reduction in workforce, primarily targeting our higher-cost geographies where end-market demand had not recovered to the levels required to achieve sustainable profitability. We expected to complete these restructuring actions by the end of 2006 and to incur charges up to approximately $275 million. In light of our operating results for 2006 and in the course of preparing our 2007 plan in the fourth quarter of 2006, we identified additional restructuring actions necessary to improve our profitability. These restructuring actions include additional downsizing of workforces to reflect the volume reductions at certain facilities and reducing our overhead costs. We recorded restructuring charges of $160.1 million in 2005 and $178.1 million in 2006. We expect to incur restructuring charges of between $20 million and $40 million in 2007 to complete the actions under the 2005 to 2007 restructuring plans. During the first half of 2007, we recorded restructuring charges of $10.5 million.

We will continue to evaluate our operations and may propose future restructuring actions as a result of changes in the marketplace and/or our exit from less profitable operations or services no longer demanded by our customers.

Interest expense/income:

Interest expense, net of interest income, in the second quarter of 2007 was $15.3 million compared to $15.2 million in the same period in 2006. Interest expense, net of interest income, for the first half of 2007 was $31.7 million compared to $29.1 million in the same period of 2006. Our interest expense primarily includes the interest costs on the 2011 and 2013 Notes. The average interest rate on the 2011 Notes, after reflecting the variable interest swap, was 8.4% for the second quarter and first half of 2007 (8.0% and 7.8% for the same periods in 2006, respectively). The interest rate on the 2013 Notes was fixed at 7.625%. Interest expense for 2007 also includes the net mark-to-market impact of our debt instruments as a result of adopting the new accounting standards for financial instruments.

Income taxes:

Income tax recovery in the second quarter of 2007 was $24.8 million on earnings before tax of $0.1 million compared to an income tax expense of $3.2 million in the same period in 2006 on a loss before tax of $27.1 million. Income tax recovery for the first half of 2007 was $15.9 million on a loss before tax of $25.3 million compared to an income tax expense of $13.9 million in the same period in 2006 on a loss before tax of $33.8 million. The effective tax rate for the second quarter and first half of 2007 reflects the tax expense in jurisdictions with current taxes payable and a deferred tax recovery related to the tax benefit of previous years’ write-down of restructured Canadian operations, offset partially by a deferred tax expense on unrealized foreign exchange gains in Canada.

We conduct business operations in a number of countries, including countries where tax incentives have been extended to encourage foreign investment or where income tax rates are low. Our effective tax rate is also impacted by the mix and volume of business in lower tax jurisdictions within Europe and Asia, tax holidays and tax incentives that have been negotiated with the respective tax authorities (which expire between 2009 and 2014), restructuring charges, operating losses, certain tax exposures, the time period in which losses may be used under tax laws and the valuation allowances recorded on deferred income tax assets. The tax holidays are subject to conditions with which we expect to continue to comply.

In certain jurisdictions, we currently have significant net operating losses and other deductible temporary differences, which will reduce taxable income in these jurisdictions in future periods. We have determined that a valuation allowance of $577.1 million is required in respect of our deferred income tax assets as at June 30, 2007 (December 31, 2006 — $565.5 million).

As at June 30, 2007, the net deferred income tax liability balance was $17.9 million (December 31, 2006 — net deferred income tax liability of $43.0 million).

We develop our tax filing positions based upon the anticipated nature and structure of our business and the tax laws, administrative practices and judicial decisions currently in effect in the jurisdictions in which we have assets or conduct business, all of which are subject to change or differing interpretations, possibly with retroactive effect. We are subject to tax audits by local tax authorities of historical information which could result in additional tax expense in future periods relating to prior results. Any such increase in our income tax expense and related interest and penalties could have a significant impact on our future earnings and future cash flows.

Certain of our subsidiaries provide financing, products and services to, and may from time-to-time undertake certain significant transactions with other subsidiaries in different jurisdictions. In general, inter-company transactions, in particular inter-company financing transactions, are subjected to close review by tax authorities. Moreover, several jurisdictions in which we operate have tax laws with detailed transfer pricing rules which require that all transactions with non-resident related parties be priced using arm’s length pricing principles, and that contemporaneous documentation must exist to support such pricing.

connection with ongoing tax audits in the United States, taxing authorities have asserted that our United States subsidiaries owe significant amounts of tax, interest and penalties arising from inter-company transactions. A significant portion of these asserted deficiencies were resolved in favour of the company in the fourth quarter of 2006. As a result, we recorded a reduction to our current income tax liabilities in 2006. We believe we have substantial defenses to the remaining asserted deficiencies and have adequately accrued for any likely potential losses. However, there can be no assurance as to the final resolution of these remaining asserted deficiencies and any resulting proceedings and if these remaining asserted deficiencies and proceedings are determined adversely to us, the amounts we may be required to pay may be material.

B. Liquidity and Capital Resources

Liquidity

The following table shows key liquidity metrics for the indicated periods (in millions):

	As at December 31		As at June 30
	2006		2007

Cash and short-term investments	$	803.7	$	747.0

	Three months ended June 30						Six months ended June 30
	2006			2007			2006			2007

Cash provided by (used in) operations	$	21.2		$	55.8		$	(96.6	)	$	(45.5	)
Cash used in investing activities	(51.2		)	(13.8		)	(124.5		)	(12.6		)
Cash provided by financing activities	2.1			0.9			0.2			1.4

Cash provided by (used in) operations:

In the second quarter of 2007, we generated $55.8 million in cash primarily from earnings and lower working capital requirements. Lower working capital was driven by a decrease in inventory levels, offset partially by higher accounts receivable. The decrease in inventory reflects improvements in inventory management and customer disengagements. Higher accounts receivable balances reflected primarily the timing of our revenue during the quarter.

Cash used in investing activities:

We continue to make capital expenditures to support growth in our lower-cost geographies and to support new customers and programs. Our capital expenditures in 2006 and 2007 have been primarily to expand manufacturing capabilities and capacities in lower-cost geographies such as China, Czech Republic, Mexico, Romania and Thailand.

Cash requirements:

At June 30, 2007, we had committed approximately $18 million in capital expenditures, principally for machinery and equipment and facilities in our lower-cost geographies. We anticipate capital spending for 2007 to be in the range of 1.0% to 1.5% of revenue, and expect to fund this spending from cash on hand. In addition, we regularly review acquisition opportunities and, as a result, may require additional debt or equity financing to fund these transactions.

We have provided routine indemnifications whose terms range in duration and often are not explicitly defined. These may include indemnifications against adverse impacts due to changes in tax laws and patent infringements by third parties. We have also provided indemnifications in connection with the sale of certain businesses and real property. The maximum potential liability from these indemnifications cannot reasonably be estimated. In some cases, we have recourse against other parties to mitigate our risk of loss from these indemnifications. Historically, we have not made significant payments relating to these indemnifications.

In 2007, securities class action litigations were commenced against us, our former Chief Executive Officer and our former Chief Financial Officer, in the United States District Court of the Southern District of New York by individuals who claim they are purchasers of our stock, on behalf of themselves and other purchasers of our stock, during the period January 27, 2005 through January 30, 2007. The plaintiffs allege violations of United States federal securities laws and seek unspecified damages. They allege that during the purported class period we made statements concerning our actual and anticipated future financial results that failed to disclose certain purportedly adverse information with respect to demand and inventory in our Mexican operations and our information technology and communications divisions. We believe that the allegations are without merit and we intend to defend against them vigorously. However, there can be no assurance that the outcome of the litigation will be favorable to us or will not have a material adverse impact on our financial position or liquidity. In addition, we may incur substantial litigation expenses in defending these claims. We have liability insurance coverage that may cover some of the expense of defending these cases, as well as potential judgments or settlement costs.

Capital Resources

In April 2007, we renegotiated the terms of our revolving credit facility and reduced the amount available from $600.0 million to $300.0 million. We also extended the maturity from June 2007 to April 2009. Under the terms of the extension, we have pledged certain assets, including the shares of certain North American subsidiaries, as security. The extension includes improved financial covenants and, as a result, we currently have approximately $280 million of available debt incurrence.

The facility includes a $25.0 million swing-line facility that provides for short-term borrowings up to a maximum of seven days. Borrowings under the facility bear interest at LIBOR plus a margin except that borrowings under the swing-line facility bear interest at a base rate plus a margin. There were no borrowings outstanding under this facility at June 30, 2007. Commitment fees for the first half of 2007 were $1.5 million. The facility has restrictive covenants relating to debt incurrence and sale of assets and also contains financial covenants that require us to maintain certain financial ratios. We were in compliance with all covenants at June 30, 2007.

We have additional uncommitted bank overdraft facilities available for operating requirements which total $47.5 million at June 30, 2007. There were no borrowings outstanding under these facilities.

We believe that cash flow from operating activities, together with cash on hand and borrowings available under our credit facility (which are undrawn), will be sufficient to fund currently anticipated working capital, planned restructuring and capital spending, and debt service requirements for the next 12 months. Historically, we have funded our operations from the proceeds of public offerings of equity and debt securities, cash generated from operations, bank debt, sales of accounts receivable and equipment lease financings. We expect to continue to enter into debt and equity financings, sales of accounts receivable and lease transactions to fund anticipated growth and acquisitions. The issuance of additional equity or convertible debt securities could dilute current shareholders’ positions. Further, we may issue debt securities that have rights and privileges senior to equity holders, and the terms of this debt could impose restrictions on our operations. Such financings and other transactions may not be available on terms acceptable to us or at all.

Our short term investment objectives are to preserve principal and to maximize yields without significantly increasing risk, while at the same time not materially restricting our short term access to cash. To achieve these objectives, we maintain a portfolio consisting of a variety of securities, including government and corporate obligations, certificates of deposit and money market funds.

Both Standard and Poor’s and Moody’s Investors Service provide ratings on our senior subordinated notes and a corporate rating on Celestica. These credit ratings reflect the agencies’ current opinion of the creditworthiness of an obligor with respect to a specific financial obligation, a specific class of financial obligations, or a specific financial program. The agencies take many factors into consideration when providing a rating including, but not limited to, the creditworthiness of guarantors, insurers, or other forms of credit enhancement on the obligation and the currency in which the obligation is denominated. A security rating is not a recommendation to buy, sell or hold securities and may be subject to revision or

withdrawal at any time by the rating organization. A rating does not comment as to market price or suitability for a particular investor.

On February 28, 2007, Standard and Poor’s downgraded our corporate rating to B+ and our senior subordinated note rating to B–, with a negative outlook. The notes rating, which is fourteenth out of 20 on the rating scale, means that the obligor currently has the capacity to meet its financial commitment on the obligation but adverse business, financial, or economic conditions will likely impair the obligor’s capacity or willingness to meet its financial commitment on the obligation. On May 2, 2007, Moody’s Investor Service downgraded our corporate rating to B1 and our senior subordinated note rating to B3, with a negative outlook. The subordinated notes rating is sixteenth out of 21 on the rating scale. Obligations rated B3 are considered to be in the lower-range of obligations that are judged to be speculative and subject to high credit risk. A reduction in our credit ratings could impact our future cost of borrowing.

In November 2005, we entered into an agreement to sell certain accounts receivable to a third-party bank (which has a Standard and Poor’s rating of AA–), and other qualified purchasers. The program provides for the sale of up to $250.0 million in accounts receivable on a committed basis. The program also provides for the sale of certain accounts receivable in excess of the committed amount at the discretion of the purchasers. This program expires in November 2008. As of June 30, 2007, we have sold approximately $250 million (March 31, 2007 - $275 million; December 31, 2006 - $320 million) in accounts receivable to the third-party bank under this program.

Other financial instruments:

The majority of our cash balances are held in U.S. dollars. We price the majority of our products in U.S. dollars and the majority of our material costs are also denominated in U.S. dollars. However, a significant portion of our non-material costs (including payroll, facilities costs, and costs of locally sourced supplies and inventory) are denominated in various other currencies. As a result, we may experience transaction and translation gains or losses because of currency fluctuations. We have a foreign exchange risk management policy in place to control our hedging activities and we do not enter into speculative trades. At June 30, 2007, we had forward foreign exchange contracts covering various currencies in an aggregate notional amount of $444.3 million. Our contracts generally extend for periods of up to 15 months. The majority of contracts expire by September 2008. The fair value of these contracts at June 30, 2007 was an unrealized gain of $13.4 million. Our current hedging activity is designed to reduce the variability of our foreign currency costs where we have manufacturing operations and generally involves entering into contracts to trade U.S. dollars for various currencies at future dates. We may, from time to time, enter into additional hedging transactions to minimize our exposure to foreign currency. We cannot be assured that our hedging transactions will be successful.

In connection with the 2011 Notes offering, we entered into agreements to swap the fixed rate of interest for a variable rate based on LIBOR plus a margin. The notional amount of the agreements, which mature July 2011, is $500.0 million. The fair value of the interest rate swap agreements at June 30, 2007 was an unrealized loss of $12.5 million. The average interest rate on the 2011 Notes for the second quarter and first half of 2007 was 8.4% (8.0% and 7.8%, respectively, for the same periods in 2006), after reflecting the interest rate swaps. We are exposed to interest rate risks due to fluctuations in the LIBOR rate. A one-percentage point increase in the LIBOR rate would increase interest expense on the 2011 Notes by $5.0 million annually.

Outstanding Share Data

As at July 19, 2007, we had 199.2 million outstanding subordinate voting shares and 29.6 million outstanding multiple voting shares.

Controls and Procedures

Evaluation of disclosure controls and procedures:

The Chief Executive Officer and Chief Financial Officer have evaluated our disclosure controls and procedures as of the end of the quarter, and have concluded that such controls and procedures are effective to ensure that information required to be disclosed by us in our corporate filings is recorded, processed, summarized and reported within the required time periods.

Changes in internal controls over financial reporting:

During the second quarter of 2007, there were no changes in our internal controls over financial reporting that have materially affected, or are reasonably likely to materially affect, our controls over financial reporting.

2006 Management’s report on internal control over financial reporting:

Reference is made to our 2006 Management’s report on page F-1 of our Annual Report on Form 20-F. Our assessment of the effectiveness of internal control over financial reporting as of February 14, 2007 was audited by KPMG LLP, an independent registered public accounting firm, as stated in their report on page F-2 of that report.

Unaudited Quarterly Financial Highlights (in millions, except per share amounts)

	2005						2006												2007
	Third Quarter			Fourth Quarter			First Quarter			Second Quarter			Third Quarter			Fourth Quarter			First Quarter			Second Quarter

Revenue	$	1,994.4		$	2,075.3		$	1,934.0		$	2,223.5		$	2,392.4		$	2,261.8		$	1,842.3		$	1,937.0
Gross profit %	5.4		%	5.7		%	5.5		%	5.6		%	5.6		%	3.9		%	4.3		%	4.7		%
Net earnings (loss)	$	(19.6	)	$	(28.2	)	$	(17.4	)	$	(30.3	)	$	(42.1	)	$	(60.8	)	$	(34.3	)	$	24.9
# of basic shares	225.8			226.3			226.7			227.1			227.2			227.6			228.4			229.0
# of diluted shares	225.8			226.3			226.7			227.1			227.2			227.6			228.4			229.2
Net earnings (loss)
per share - basic	$	(0.09	)	$	(0.12	)	$	(0.08	)	$	(0.13	)	$	(0.19	)	$	(0.27	)	$	(0.15	)	$	0.11
per share - diluted	$	(0.09	)	$	(0.12	)	$	(0.08	)	$	(0.13	)	$	(0.19	)	$	(0.27	)	$	(0.15	)	$	0.11

Comparability quarter-to-quarter:

The quarterly data reflects the following:

· the second quarter of 2006 reflects the sale of our plastics business in June 2006;

· all quarters of 2006 and 2007 include the results of operations of Powerwave Technologies in the Philippines which was acquired in March 2006;

· the fourth quarter of 2005, all quarters of 2006 and 2007 include the results of operations of Displaytronix which was acquired in the fourth quarter of 2005;

· the third and fourth quarters of 2005 and all quarters of 2006 and 2007 include the results of operations of CoreSim and Ramnish which were acquired in the third quarter of 2005;

· the third quarter of 2005 includes gains on the repurchase of the remaining outstanding LYONs. After the third quarter of 2005, no further activity has been recorded for the LYONs;

· the fourth quarters of 2005 and 2006 include the results of the annual testing of impairments of goodwill and long-lived assets; and

· all quarters of 2005, 2006 and 2007 are impacted by our announced restructuring plans. The amounts vary from quarter-to-quarter.

Second quarter 2007 compared to first quarter 2007:

Sequentially, revenue for the second quarter of 2007 increased 5% from the first quarter of 2007 primarily due to new program wins in our server segment. Although revenue from our telecommunications market improved marginally compared to the first quarter of 2007, we expect that the telecommunications market will remain weak for us. Revenue from our consumer market was essentially flat this quarter as this market seasonally peaks in the second half of the year. The sequential change in gross margin for the second quarter of 2007 reflects the impact of higher revenue, offset partially by the higher costs of disengaging customers in Mexico. SG&A expenses for the second quarter of 2007 decreased sequentially primarily due to lower variable compensation accruals and the reclassification of executive termination costs to restructuring costs during the quarter. The sequential improvement in net earnings is attributable to the net deferred tax recovery, related primarily to the tax benefit of previous years’ write-down of restructured Canadian operations.

Recent Accounting Developments

Financial instruments:

Effective January 1, 2007, we adopted the new standards issued by the CICA on financial instruments, hedges and comprehensive income. Section 1530, “Comprehensive income,” Section 3855, “Financial instruments — recognition and measurement,” Section 3861, “Financial instruments — disclosure and presentation, “ and Section 3865, “Hedges,” were effective for our first quarter of 2007. We were not required to restate prior results.

On January 1, 2007, we made the following transitional adjustments to our consolidated balance sheet to adopt the new standards:

	Increase (decrease)

Prepaid and other assets	$	5.5
Other assets	(10.3		)
Accrued liabilities	5.8
Long-term debt - embedded option and debt obligation	1.9
Long-term debt - unamortized debt issue costs	(11.5		)
Other long-term liabilities	8.1
Long-term deferred income tax liabilities	(2.2		)
Opening deficit	6.4
Accumulated other comprehensive loss - cash flow hedges	0.5

The impact of the new standards on our operations for 2007 is as follows:

	Three months ended June 30		Six months ended June 30

Increase in interest expense on long-term debt	$	0.6	$	1.4

The new standards require all financial assets and liabilities to be carried at fair value in our consolidated balance sheet, except for loans and receivables, held-to-maturity investments and non-trading financial liabilities, which are carried at their amortized cost. Currently we do not have any financial assets designated as available-for-sale.

hedge. If the hedged item ceases to exist before the end of the original hedge term, the unrealized hedge gain/loss in OCI is recognized in operations immediately. In a fair value hedge, changes in the fair value of the hedging derivative are offset in operations by the changes in the fair value relating to the hedged risk of the asset, liability or cash flows being hedged.

Derivatives may be embedded in financial instruments (the “host instrument”). Under the new standards, embedded derivatives are treated as separate derivatives when their economic characteristics and risks are not closely related to those of the host instrument, the terms of the embedded derivative are similar to those of a stand-alone derivative, and the combined contract is not held for trading or designated at fair value. These embedded derivatives are measured at fair value with subsequent changes recognized in operations. We have elected January 1, 2003 as our transition date for identifying contracts with embedded derivatives. Currently we have prepayment options that are embedded in our Senior Subordinated Notes which meet the criteria for bifurcation. The impact of the prepayment options on our consolidated financial statements is described in note 4(d) of the June 30, 2007 Interim Consolidated Financial Statements.

The new standards require that we present a new “consolidated statement of comprehensive income/loss” as part of our consolidated financial statements. Comprehensive income/loss is comprised of net income/loss, changes in the fair value of derivative instruments designated as cash flow hedges and the net unrealized foreign currency translation gain/loss arising from self-sustaining foreign operations, which was previously classified as a separate component of shareholders’ equity. Subsequent releases from OCI to operations is dependent on when the hedged items designated under cash flow hedges are recognized in operations, or upon de-recognition of the net investment in a self-sustaining foreign operation.

In determining the fair value of our financial instruments, we used a variety of methods and assumptions that are based on market conditions and risks existing on each reporting date. Broker quotes and standard market conventions and techniques, such as discounted cash flow analysis and option pricing models, are used to determine the fair value of our financial instruments, including derivatives and hedged debt obligations. All methods of fair value measurement result in a general approximation of value and such value may never actually be realized.

Accounting changes:

In January 2007, we adopted CICA Handbook Section 1506, “Accounting changes,” which requires that voluntary changes in accounting policy are made only if the changes result in financial statements that provide more reliable and more relevant information. It also requires prior period errors to be corrected retrospectively. The adoption of this standard did not impact our consolidated financial statements.

Inventories:

In June 2007, the CICA issued Section 3031, “Inventories,” which requires inventory to be measured at the lower of cost and net realizable value. The standard also provides guidance on the costs that can be capitalized. In addition, previous inventory write-downs must be reversed if the economic circumstances have changed to support an increased inventory value. The standard is effective for 2008. We are currently evaluating the impact of adopting this standard on our consolidated financial statements.

Financial Instruments - Disclosure and Presentation:

In December 2006, the CICA issued Section 3862, “Financial Instruments, Disclosures,” and Section 3863, “Financial Instruments, Presentation.” These standards provide additional guidance on disclosing risks related to recognized and unrecognized financial instruments and how those risks are managed. These standards are effective for 2008. We are currently evaluating the impact of adopting these standards on our consolidated financial statements.

Exhibit 99.2

FOR IMMEDIATE RELEASE	Thursday, July 26, 2007
(All amounts in U.S. dollars.
Per share information based on diluted
shares outstanding unless noted otherwise.)

CELESTICA ANNOUNCES SECOND QUARTER
2007 FINANCIAL RESULTS

Second Quarter Summary

· Revenue of $1,937 million, up 5% sequentially from first quarter of 2007 and down 13% year-over-year

· GAAP earnings per share of $0.11 (including the benefit of a net tax recovery of $32 million or $0.14 per share) compared to a loss of ($0.13) per share last year

· Adjusted net earnings per share of $0.02 compared to $0.13 per share a year ago

· Inventory turns of 7.3x compared to 6.2x in the first quarter of 2007

· Cash generated from operations of $56 million

· Q3 revenue guidance of $2.0 - $2.2 billion, adjusted net earnings per share of $0.04 - - $0.12

TORONTO, Canada - Celestica Inc. (NYSE and TSX: CLS), a world leader in electronics manufacturing services (EMS), today announced financial results for the second quarter ended June 30, 2007.

Revenue was $1,937 million, down 13% from $2,224 million in the second quarter of 2006. Net earnings on a GAAP basis for the second quarter were $24.9 million or $0.11 per share, compared to GAAP net loss of ($30.3) million or ($0.13) per share for the same period last year. Included in GAAP net earnings for the quarter are the impacts of a $32 million net deferred tax recovery related primarily to the tax benefit of previous years’ write-down of restructured Canadian operations and restructuring charges of $2.5 million. For the same period in 2006, restructuring charges were $20 million.

Adjusted net earnings for the quarter were $4.9 million or $0.02 per share compared to adjusted net earnings of $29.1 million or $0.13 per share for the same period last year. The term adjusted net earnings is defined as net earnings before amortization of intangible assets, gains or losses on the repurchase of shares and debt, integration costs related to acquisitions, option expense, option exchange costs and other charges, net of tax and significant deferred tax write-offs or recovery (detailed GAAP financial statements and supplementary information related to adjusted net earnings appear at the end of this press release). These results compare with the company’s guidance for the second quarter, announced on April 25, 2007, of revenue in the range of $1.85 billion to $2.05 billion and adjusted net earnings (loss) per share in the range of ($0.03) to $0.05.

For the six months ended June 30, 2007, revenue was $3,779 million compared to $4,158 million for the same period in 2006. Net loss on a GAAP basis was ($9.4) million or ($0.04) per share compared to net loss of ($47.7) million or ($0.21) per share last year. Adjusted net loss for the first half of 2007 were ($4.2) million or ($0.02) per share compared to adjusted net earnings of $46.5 million or $0.20 per share for the same period in 2006.

…more

“Our second quarter results demonstrate the steady progress we are making as a result of the turnaround plans implemented earlier this year,” said Craig Muhlhauser, President and Chief Executive Officer, Celestica. “Revenue is trending upwards, working capital performance is improving and we continue to make operational improvements in North America and Europe. Our operating profit is still at the early stages of recovery and we expect to continue to build on the improvements made to date.”

Outlook

For the third quarter ending September 30, 2007, the company expects revenue will be in the range of $2.0 billion to $2.2 billion, and adjusted net earnings per share to range from $0.04 to $0.12.

Second Quarter Results Webcasts

Management will host its quarterly results conference call today at approximately 4:15 p.m. Eastern Time which can be accessed at www.celestica.com.

Supplementary Information

In addition to disclosing detailed results in accordance with Canadian generally accepted accounting principles (GAAP), Celestica also provides supplementary non-GAAP measures as a method to evaluate the company’s operating performance.

Management uses adjusted net earnings as a measure of enterprise-wide performance. As a result of acquisitions made by the company, restructuring activities, securities repurchases and the adoption of fair value accounting for stock options, management believes adjusted net earnings is a useful measure for the company as well as its investors to facilitate period-to-period operating comparisons and allow the comparison of operating results with its competitors in the U.S. and Asia. Adjusted net earnings excludes the effects of acquisition-related charges (most significantly, amortization of intangible assets and integration costs related to acquisitions), other charges (most significantly, restructuring costs and the write-down of goodwill and long-lived assets), gains or losses on the repurchase of shares or debt, option expense and option exchange costs, and the related income tax effect of these adjustments and any significant deferred tax write-offs or recovery. Adjusted net earnings does not have any standardized meaning prescribed by GAAP and is not necessarily comparable to similar measures presented by other companies. Adjusted net earnings is not a measure of performance under Canadian or U.S. GAAP and should not be considered in isolation or as a substitute for net earnings (loss) prepared in accordance with Canadian or U.S. GAAP. The company has provided a reconciliation of adjusted net earnings (loss) to Canadian GAAP net earnings (loss) below.

About Celestica

Celestica is dedicated to providing innovative electronics manufacturing services that accelerate our customers’ success. Through our efficient global manufacturing and supply chain network, we deliver competitive advantage to companies in the computing, communications, consumer, industrial, and aerospace and defense end markets. Our employees share a proud history of proven expertise and creativity that provides our customers with the flexibility to overcome any challenge.

For further information on Celestica, visit its website at http://www.celestica.com.

The company’s security filings can also be accessed at http://www.sedar.com and http://www.sec.gov.

Safe Harbour and Fair Disclosure Statement

This news release contains forward-looking statements related to our future growth, trends in our industry, our financial and or operational results, and our financial or operational performance. Such forward-looking statements are predictive in nature, and may be based on current expectations, forecasts or assumptions involving risks and uncertainties that could cause actual outcomes and results to differ materially from the forward-looking statements themselves. Such forward-looking statements may, without limitation, be preceded by, followed by, or include words such as “believes”, “expects”, “anticipates”, “estimates”, “intends”, “plans”, or similar expressions, or may employ such future or conditional verbs as “may”, “will”, “should” or “would”, or may otherwise be indicated as forward-looking statements by grammatical construction, phrasing or context.. The risks and uncertainties referred to above include, but are not limited to: variability of operating results among periods; inability to retain or grow our business due to execution problems resulting from significant headcount reductions, plant closures and product transfer associated with major restructuring activities; the effects of price competition and other business and competitive factors generally affecting the EMS industry; the challenges of effectively managing our operations during uncertain economic conditions; our dependence on a limited number of customers; our dependence on industries affected by rapid technological change; the challenge of responding to lower-than-expected customer demand; our ability to successfully manage our international operations; and delays in the delivery and/or general availability of various components used in the manufacturing process. These and other risks and uncertainties and factors are discussed in the Company’s various public filings at www.sedar.com and www.sec.gov, including our Form 20-F and subsequent reports on Form 6-K filed with the Securities and Exchange Commission.

As of its date, this press release contains any material information associated with the company’s financial results for the second quarter ended June 30, 2007 and revenue and adjusted net earnings guidance for the third quarter ending September 30, 2007. Earnings guidance is reviewed by the company’s board of directors. It is Celestica’s policy that earnings guidance is effective on the date given, and will only be updated through a public announcement.

Contacts:
Laurie Flanagan		Paul Carpino
Celestica Global Communications		Celestica Investor Relations
(416) 448-2200		(416) 448-2211
media@celestica.com		clsir@celestica.com

RECONCILIATION OF GAAP TO

ADJUSTED NET EARNINGS

(in millions of U.S. dollars)

	2006								2007
Three months ended June 30	GAAP			Adjustments			Adjusted		GAAP			Adjustments			Adjusted
Revenue	$	2,223.5		$	—		$	2,223.5	$	1,937.0		$	—		$	1,937.0
Cost of sales (1)	2,098.8			(0.4		)	2,098.4		1,846.4			(0.9		)	1,845.5
Gross profit	124.7			0.4			125.1		90.6			0.9			91.5
SG&A (1)	75.9			0.1			76.0		71.0			(0.5		)	70.5
Amortization of intangible assets	7.1			(7.1		)	—		5.1			(5.1		)	—
Integration costs relating to acquisitions	0.2			(0.2		)	—		—			—			—
Other charges	53.4			(53.4		)	—		(0.9		)	0.9			—
Operating earnings (loss) - EBIAT	(11.9		)	61.0			49.1		15.4			5.6			21.0
Interest expense, net	15.2			—			15.2		15.3			—			15.3
Net earnings (loss) before tax	(27.1		)	61.0			33.9		0.1			5.6			5.7
Income tax expense (recovery)	3.2			1.6			4.8		(24.8		)	25.6			0.8
Net earnings (loss)	$	(30.3	)	$	59.4		$	29.1	$	24.9		$	(20.0	)	$	4.9
W.A. # of shares (in millions) - diluted	227.1						227.9		229.2						229.2
Earnings (loss) per share - diluted	$	(0.13	)				$	0.13	$	0.11					$	0.02

	2006								2007
Six months ended June 30	GAAP			Adjustments			Adjusted		GAAP			Adjustments			Adjusted
Revenue	$	4,157.5		$	—		$	4,157.5	$	3,779.3		$	—		$	3,779.3
Cost of sales (1)	3,927.0			(1.9		)	3,925.1		3,610.1			(1.9		)	3,608.2
Gross profit	230.5			1.9			232.4		169.2			1.9			171.1
SG&A (1)	150.4			(1.2		)	149.2		145.4			(1.1		)	144.3
Amortization of intangible assets	13.7			(13.7		)	—		11.1			(11.1		)	—
Integration costs relating to acquisitions	0.7			(0.7		)	—		0.1			(0.1		)	—
Other charges	70.4			(70.4		)	—		6.2			(6.2		)	—
Operating earnings (loss) - EBIAT	(4.7		)	87.9			83.2		6.4			20.4			26.8
Interest expense, net	29.1			—			29.1		31.7			—			31.7
Net earnings (loss) before tax	(33.8		)	87.9			54.1		(25.3		)	20.4			(4.9		)
Income tax expense (recovery)	13.9			(6.3		)	7.6		(15.9		)	15.2			(0.7		)
Net earnings (loss)	$	(47.7	)	$	94.2		$	46.5	$	(9.4	)	$	5.2		$	(4.2	)
W.A. # of shares (in millions) - diluted	226.9						227.9		228.7						228.7
Earnings (loss) per share - diluted	$	(0.21	)				$	0.20	$	(0.04	)				$	(0.02	)

(1) Non -cash option expense included in cost of sales and SG&A is added back for adjusted net earnings

GUIDANCE SUMMARY

	2Q 07 Guidance	2Q 07 Actual		3Q 07 Guidance (2)
Revenue	$1.85B - $2.05B	$	1.94B	$2.0B - $2.2B
Adjusted net EPS	$(0.03) - $0.05	$	0.02	$0.04 - $0.12

(2) Guidance for the third quarter is provided only on an adjusted net earnings basis. This is due to the difficulty in

forecasting the various items impacting GAAP net earnings, such as the amount and timing of our restructuring activities.

CELESTICA INC.

CONSOLIDATED BALANCE SHEETS
(in millions of U.S. dollars)

	December 31			June 30
	2006			2007
				(unaudited)
Assets
Current assets:
Cash and short-term investments	$	803.7		$	747.0
Accounts receivable	973.2			939.9
Inventories	1,197.9			954.9
Prepaid and other assets	111.0			98.8
Income taxes recoverable	31.2			32.3
Deferred income taxes	3.8			3.1
	3,120.8			2,776.0
Capital assets	567.1			530.3
Goodwill from business combinations	854.8			854.8
Intangible assets	60.1			49.0
Other assets	83.5			81.0
	$	4,686.3		$	4,291.1

Liabilities and Shareholders’ Equity
Current liabilities:
Accounts payable	$	1,193.6		$	937.4
Accrued liabilities	487.9			359.7
Income taxes payable	42.7			44.7
Deferred income taxes	1.1			1.7
Current portion of long-term debt (note 4)	0.6			0.5
	1,725.9			1,344.0
Long-term debt (note 4)	750.2			738.2
Accrued pension and post-employment benefits	54.9			62.1
Deferred income taxes	47.5			21.5
Other long-term liabilities	13.2			25.2
	2,591.7			2,191.0
Shareholders’ equity (note 11):
Capital stock	3,576.6			3,584.7
Warrants	8.4			3.1
Contributed surplus	179.3			185.5
Deficit	(1,696.2		)	(1,712.0		)
Accumulated other comprehensive income	26.5			38.8
	2,094.6			2,100.1
	$	4,686.3		$	4,291.1

Guarantees and contingencies (note 12)

See accompanying notes to consolidated financial statements.
These unaudited interim consolidated financial statements should be read in conjunction with the
2006 annual consolidated financial statements.

CELESTICA INC.

CONSOLIDATED STATEMENTS OF OPERATIONS
(in millions of U.S. dollars, except per share amounts)
(unaudited)

	Three months ended June 30						Six months ended June 30
	2006			2007			2006			2007

Revenue	$	2,223.5		$	1,937.0		$	4,157.5		$	3,779.3
Cost of sales	2,098.8			1,846.4			3,927.0			3,610.1
Gross profit	124.7			90.6			230.5			169.2
Selling, general and administrative expenses	75.9			71.0			150.4			145.4
Amortization of intangible assets	7.1			5.1			13.7			11.1
Integration costs related to acquisitions	0.2			—			0.7			0.1
Other charges (note 5)	53.4			(0.9		)	70.4			6.2
Interest on long-term debt	16.6			17.6			32.5			35.2
Interest income, net	(1.4		)	(2.3		)	(3.4		)	(3.5		)
Earnings (loss) before income taxes	(27.1		)	0.1			(33.8		)	(25.3		)
Income tax expense (recovery):
Current	2.7			6.7			11.6			12.2
Deferred	0.5			(31.5		)	2.3			(28.1		)
	3.2			(24.8		)	13.9			(15.9		)
Net earnings (loss) for the period	$	(30.3	)	$	24.9		$	(47.7	)	$	(9.4	)

Basic earnings (loss) per share	$	(0.13	)	$	0.11		$	(0.21	)	$	(0.04	)

Diluted earnings (loss) per share	$	(0.13	)	$	0.11		$	(0.21	)	$	(0.04	)

Shares used in computing per share amounts:
Basic (in millions)	227.1			229.0			226.9			228.7
Diluted (in millions)	227.1			229.2			226.9			228.7

CELESTICA INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(in millions of U.S. dollars)
(unaudited)

	Three months ended June 30						Six months ended June 30
	2006			2007			2006			2007

Net earnings (loss) for the period	$	(30.3	)	$	24.9		$	(47.7	)	$	(9.4	)
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	5.0			(1.7		)	6.2			(1.1		)
Net gain on derivatives designated as cash flow hedges(1)	—			16.8			—			16.3
Net gain on derivatives designated as cash flow hedges reclassified to operations (2)	—			(2.1		)	—			(2.4		)
Comprehensive income (loss)	$	(25.3	)	$	37.9		$	(41.5	)	$	3.4

(1) Net of income tax benefit for the three and six months ended June 30, 2007 of nil and $0.1, respectively.

(2) No income tax expense for the three and six months ended June 30, 2007.

CELESTICA INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS
(in millions of U.S. dollars)
(unaudited)

	Three months ended June 30						Six months ended June 30
	2006			2007			2006			2007

Cash provided by (used in):
Operations:
Net earnings (loss) for the period	$	(30.3	)	$	24.9		$	(47.7	)	$	(9.4	)
Items not affecting cash:
Depreciation and amortization	33.0			29.9			64.5			61.9
Deferred income taxes	0.5			(31.5		)	2.3			(28.1		)
Non-cash charge for option issuances	0.3			1.4			3.1			3.0
Restructuring charges	—			(4.1		)	—			(4.1		)
Other charges	33.2			—			33.2			(0.6		)
Other	3.8			8.1			7.6			13.7
Changes in non-cash working capital items:
Accounts receivable	(62.8		)	(98.9		)	(65.8		)	33.3
Inventories	(88.7		)	125.8			(181.2		)	243.0
Prepaid and other assets	15.2			11.9			6.2			14.3
Income taxes recoverable	(6.7		)	1.3			15.0			(1.1		)
Accounts payable and accrued liabilities	123.4			(13.6		)	83.1			(373.4		)
Income taxes payable	0.3			0.6			(16.9		)	2.0
Non-cash working capital changes	(19.3		)	27.1			(159.6		)	(81.9		)
Cash provided by (used in) operations	21.2			55.8			(96.6		)	(45.5		)

Investing:
Acquisitions, net of cash acquired (note 3)	—			—			(19.1		)	—
Purchase of capital assets	(69.4		)	(22.7		)	(124.5		)	(36.0		)
Proceeds from sale of operations or assets	18.5			8.9			18.5			23.3
Other	(0.3		)	—			0.6			0.1
Cash used in investing activities	(51.2		)	(13.8		)	(124.5		)	(12.6		)

Financing:
Financing costs	—			(0.9		)	—			(0.9		)
Repayment of long-term debt	(0.1		)	(0.1		)	(0.4		)	(0.3		)
Issuance of share capital	1.1			2.1			1.6			3.4
Other	1.1			(0.2		)	(1.0		)	(0.8		)
Cash provided by financing activities	2.1			0.9			0.2			1.4

Increase (decrease) in cash	(27.9		)	42.9			(220.9		)	(56.7		)
Cash, beginning of period	776.0			704.1			969.0			803.7
Cash, end of period	$	748.1		$	747.0		$	748.1		$	747.0

Cash is comprised of cash and short-term investments.
Supplemental cash flow information (note 9)

CELESTICA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(in millions of U.S. dollars, except per share amounts)
(unaudited)

1. Basis of presentation:

We prepare our financial statements in accordance with generally accepted accounting principles (GAAP) in Canada with a reconciliation to accounting principles generally accepted in the United States, disclosed in note 20 to the 2006 annual consolidated financial statements.

2. Significant accounting policies:

The disclosures contained in these unaudited interim consolidated financial statements do not include all requirements of Canadian GAAP for annual financial statements. These unaudited interim consolidated financial statements should be read in conjunction with the 2006 annual consolidated financial statements. These unaudited interim consolidated financial statements reflect all adjustments, consisting only of normal recurring accruals, which are, in the opinion of management, necessary to present fairly our financial position as at June 30, 2007 and the results of operations and cash flows for the three and six months ended June 30, 2006 and 2007. These unaudited interim consolidated financial statements are based upon accounting principles consistent with those used and described in the 2006 annual consolidated financial statements, except for the following:

Change in accounting policies:

(a) Financial instruments:

Effective January 1, 2007, we adopted the new standards issued by the CICA on financial instruments, hedges and comprehensive income. Section 1530, “Comprehensive income,” Section 3855, “Financial instruments — recognition and measurement,” Section 3861, “Financial instruments – disclosure and presentation,” and Section 3865, “Hedges,” were effective for our first quarter of 2007. We were not required to restate prior results.

On January 1, 2007, we made the following transitional adjustments to our consolidated balance sheet to adopt the new standards:

	Increase (decrease)

Prepaid and other assets	$	5.5
Other assets	(10.3		)
Accrued liabilities	5.8
Long-term debt - embedded option and debt obligation	1.9
Long-term debt - unamortized debt issue costs	(11.5		)
Other long-term liabilities	8.1
Long-term deferred income taxes liability	(2.2		)
Opening deficit	6.4
Accumulated other comprehensive loss - cash flow hedges	0.5

The details of the transitional adjustments are noted below.

The impact of the new standards on our operations for the three and six months ended June 30, 2007 is as follows:

	Three months ended June 30		Six months ended June 30

Increase in interest expense on long-term debt	$	0.6	$	1.4

The new standards require all financial assets and liabilities to be carried at fair value in our consolidated balance sheet, except for loans and receivables, held-to-maturity investments and non-trading financial liabilities, which are carried at their amortized cost. We do not currently have any financial assets designated as available-for-sale.

All derivatives, including embedded derivatives that must be separately accounted for, are measured at fair value in our consolidated balance sheet. The types of hedging relationships that qualify for hedge accounting have not changed under the new standards. We will continue to designate our hedges as either cash flow hedges or fair value hedges. In a cash flow hedge, changes in the fair value of the hedging derivative, to the extent effective, are recorded in other comprehensive income/loss (OCI) until the asset or liability being hedged is recognized in operations. Any hedge ineffectiveness is recognized in operations immediately. For hedges that are discontinued before the end of the original hedge term, the unrealized hedge gain/loss in OCI is amortized to operations over the remaining term of the original hedge. If the hedged item ceases to exist before the end of the original hedge term, the unrealized hedge gain/loss in OCI is recognized in operations immediately. In a fair value hedge, changes in the fair value of the hedging derivative are offset in operations by the changes in the fair value relating to the hedged risk of the asset, liability or cash flows being hedged.

Derivatives may be embedded in financial instruments (the “host instrument”). Under the new standards, embedded derivatives are treated as separate derivatives when their economic characteristics and risks are not closely related to those of the host instrument, the terms of the embedded derivative are similar to those of a stand-alone derivative, and the combined contract is not held for trading or designated at fair value. These embedded derivatives are measured at fair value with subsequent changes recognized in operations. We have elected January 1, 2003 as our transition date for identifying contracts with embedded derivatives. Currently we have prepayment options that are embedded in our Senior Subordinated Notes which meet the criteria for bifurcation. The impact of the prepayment options on our consolidated financial statements is described under the transitional adjustments below and in note 4(d).

The transitional impact of recording our derivatives as at January 1, 2007 at fair value on our consolidated financial statements is as follows:

(i) Cash flow hedges:

As at January 1, 2007, we recorded derivative assets of $5.8 and derivative liabilities of $6.0 at fair value on our consolidated balance sheet in relation to our cash flow hedges, with a corresponding balance of $0.2 recorded in the opening accumulated other comprehensive loss. In addition, we reclassified $0.3 of net deferred foreign exchange losses to opening accumulated other comprehensive loss. The ineffective portion of cash flow hedges as of December 31, 2006 was insignificant and, therefore, did not impact the opening deficit.

(ii) Fair value hedges:

In connection with the issuance of our $500.0 Senior Subordinated Notes (2011 Notes) in June 2004, we entered into agreements to swap the fixed interest rate for a variable interest rate. We have designated the swap

agreements as fair value hedges. As at January 1, 2007, we recorded a derivative liability of $7.9 (net of an interest accrual of $2.0) for the swap agreements in other long-term liabilities. A corresponding fair value adjustment was not recorded against the 2011 Notes since the prior hedge relationship was not considered a qualified type under Section 3865 after bifurcation of the embedded prepayment option in accordance with Section 3855. We decreased the deferred income tax liability by $2.6 and recorded a loss of $5.3 to opening deficit. A new hedge relationship was redesignated on January 1, 2007 which qualified for fair value hedge accounting in accordance with Section 3865.

(iii) Embedded derivatives:

The prepayment options embedded in our Senior Subordinated Notes qualify as embedded derivatives which must be bifurcated for reporting in accordance with the new standards. As at January 1, 2007, we bifurcated the fair value of the embedded derivative asset of $9.3 from the Notes. As a result of recording this asset, the amortized cost of long-term debt increased. We also recorded a cumulative adjustment of $1.9 against the opening deficit. Any subsequent change in the fair value of the embedded derivatives will be recorded in operations.

(iv) Effective interest method:

We incurred underwriting commissions and expenses relating to our Senior Subordinated Notes offerings. Previously, these costs were deferred in other assets and amortized on a straight-line basis over the term of the debt. The new standards require us to reclassify these costs as a reduction of the cost of the debt and to use the effective interest rate method to amortize the costs to operations. As at January 1, 2007, we reclassified $10.3 of unamortized costs from other assets to long-term debt and recorded an adjustment to reflect the balance had we used the effective interest rate method since inception. This resulted in a $1.2 increase in the unamortized costs, a decrease of $0.8 in opening deficit and an increase of $0.4 in deferred income tax liability.

(b) Accounting changes:

Recently issued accounting pronouncements:

(i) Inventories:

(ii) Financial Instruments - Disclosure and Presentation:

3. Acquisitions and divestitures:

As part of the acquisition of Manufacturers’ Services Limited (MSL) in 2004, we recorded liabilities for consolidating some of the acquired MSL sites. We have completed the major components of these restructuring plans except for certain long-term lease and contractual obligations which will be paid out over the remaining lease terms through 2010. Cash outlays are funded from cash on hand. We record the restructuring liability in accrued liabilities.

Details of the 2007 activity through the MSL restructuring liability are as follows:

	Lease and other contractual obligations

December 31, 2006	$	1.5
Cash payments	(0.2		)
March 31, 2007	1.3
Cash payments	(0.2		)
June 30, 2007	$	1.1

2006 acquisition activity:

In March 2006, we acquired certain assets located in the Philippines from Powerwave Technologies, Inc. for a cash purchase price of $19.1. Amortizable intangible assets arising from this acquisition were $7.6, primarily for customer relationships and contract intangibles.

2006 divestiture:

In June 2006, we sold our plastics business for net cash proceeds of $18.5. Our plastics business was located primarily in Asia. During the second quarter of 2006, we reported a loss on sale of $33.2 which we recorded as other charges. This loss included $20.0 in goodwill allocated to the plastics business. As part of the sale agreement, we provided routine indemnities to the purchaser which management believes will not have a material adverse impact on our results of operations, financial position or liquidity.

4. Long-term debt:

	December 31		June 30
	2006		2007

Secured, revolving credit facility due 2009 (a)	$	—	$	—

Senior Subordinated Notes due 2011 (b)	500.0		500.0
Senior Subordinated Notes due 2013 (c)	250.0		250.0
Embedded prepayment option at fair value (d)	—		(2.7		)
Basis adjustments on debt obligation (d)	—		7.0
Unamortized debt issue costs (b)(c)	—		(10.5		)
Fair value adjustment of 2011 Notes attributable to interest rate risks (d)	—		(5.6		)
	750.0		738.2
Capital lease obligations	0.8		0.5
	750.8		738.7
Less current portion	0.6		0.5
	$	750.2	$	738.2

(a) In April 2007, we renegotiated the terms of our revolving credit facility and reduced the amount available from $600.0 to $300.0. We also extended the maturity from June 2007 to April 2009. Under the terms of the

extension, we have pledged certain assets, including the shares of certain North American subsidiaries, as security.

The facility includes a $25.0 swing-line facility that provides for short-term borrowings up to a maximum of seven days. Borrowings under the facility bear interest at LIBOR plus a margin, except that borrowings under the swing-line facility bear interest at a base rate plus a margin. There were no borrowings outstanding under this facility. Commitment fees for the second quarter of 2007 were $0.7 ($1.5 – first half of 2007).

The facility has restrictive covenants relating to debt incurrence and sale of assets and also contains financial covenants that require us to maintain certain financial ratios. We were in compliance with all covenants at June 30, 2007. Based on the required financial ratios at June 30, 2007, we have approximately $280 of available debt incurrence.

We also have uncommitted bank overdraft facilities available for operating requirements which total $47.5 at June 30, 2007. There were no borrowings outstanding under these facilities.

(b) In June 2004, we issued Senior Subordinated Notes due 2011 with an aggregate principal amount of $500.0 and a fixed interest rate of 7.875%. We incurred $12.0 in underwriting commissions and expenses which we deferred and are amortizing over the term of the debt using the effective interest rate method. The 2011 Notes are unsecured and are subordinated in right of payment to all our senior debt. We may redeem the 2011 Notes on July 1, 2008 or later at various premiums above face value.

In connection with the 2011 Notes offering, we entered into agreements to swap the fixed interest rate with a variable interest rate based on LIBOR plus a margin. The average interest rate on the 2011 Notes was 8.4% for the second quarter and first half of 2007 (8.0% – second quarter of 2006; 7.8% for the first half of 2006).

(c) In June 2005, we issued Senior Subordinated Notes due 2013 with an aggregate principal amount of $250.0 and a fixed interest rate of 7.625%. We incurred $4.2 in underwriting commissions and expenses which we deferred and are amortizing over the term of the debt using the effective interest rate method. The 2013 Notes are unsecured and are subordinated in right of payment to all our senior debt. We may redeem the 2013 Notes on July 1, 2009 or later at various premiums above face value.

(d) The prepayment options in the Notes qualify as embedded derivatives which must be bifurcated for reporting under the new standards. As of June 30, 2007, the fair value of the embedded derivative asset is $2.7 and is recorded with long-term debt. The decrease in the fair value of $2.9 for the first half of 2007 is recorded in interest expense on long-term debt. As a result of bifurcating the prepayment option from the Notes, a basis adjustment is added to the amortized cost of the long-term debt. This basis adjustment is amortized over the term of the debt using the effective interest rate method. This, combined with the change in the fair value of the debt obligation attributable to movement in the benchmark interest rates, resulted in a gain of $6.1 for the first half of 2007, which reduces interest expense on long-term debt.

5. Other charges:

	Three months ended June 30					Six months ended June 30
	2006		2007			2006		2007

2001 to 2004 restructuring (a)	$	0.6	$	0.9		$	1.1	$	0.5
2005 to 2007 restructuring (b)	19.6		1.6			36.1		10.0
Total restructuring	20.2		2.5			37.2		10.5
Other (c)	—		(3.4		)	—		(4.3		)
Loss on sale of operations (note 3)	33.2		—			33.2		—
Total other charges	$	53.4	$	(0.9	)	$	70.4	$	6.2

(a) 2001 to 2004 restructuring:

In 2001, we announced a restructuring plan in response to the weak end-markets in the computing and telecommunications industries. In response to the prolonged difficult end-market conditions, we announced a second restructuring plan in July 2002. The weak demand for our manufacturing services resulted in an accelerated move to lower-cost geographies and additional restructuring in the Americas and Europe. In January 2003, we announced further reductions to our manufacturing capacity in Europe. In 2004, we announced plans to further restructure our operations to better align capacity with customers’ requirements.

These restructuring actions were focused on consolidating facilities, reducing the workforce, and transferring programs to lower-cost geographies. The majority of the employees terminated were manufacturing and plant employees. For leased facilities that were no longer used, the lease costs included in the restructuring costs represent future lease payments less estimated sublease recoveries. Adjustments were made to lease and other contractual obligations to reflect incremental cancellation fees paid for terminating certain facility leases and to reflect higher accruals for other leases due to delays in the timing of sublease recoveries and changes in estimated sublease rates, relating principally to facilities in the Americas.

We have completed the major components of these restructuring plans, except for certain long-term lease and other contractual obligations, which will be paid out over the remaining lease terms through 2015. Cash outlays are funded from cash on hand. The restructuring liability is recorded in accrued liabilities.

Details of the 2007 activity are as follows:

	Employee termination costs			Lease and other contractual obligations			Facility exit costs and other			Total accrued liability			Non-cash charge		2007 charge

December 31, 2006	$	0.4		$	29.3		$	1.0		$	30.7		$	328.7	$	—
Cash payments	(0.2		)	(2.7		)	—			(2.9		)	—		—
Adjustments	(0.2		)	0.8			(1.0		)	(0.4		)	—		(0.4		)
March 31, 2007	—			27.4			—			27.4			328.7		(0.4		)
Cash payments	—			(1.9		)	—			(1.9		)	—		—
Adjustments	—			0.9			—			0.9			—		0.9
June 30, 2007	$	—		$	26.4		$	—		$	26.4		$	328.7	$	0.5

(b) 2005 to 2007 restructuring:

In January 2005, we announced plans to further improve capacity utilization and accelerate margin improvements. These restructuring actions included facility closures and a reduction in workforce, primarily targeting our higher-cost geographies where end-market demand had not recovered to the levels required to achieve sustainable profitability. We expected to complete these restructuring actions by the end of 2006. However, in light of our operating results in 2006 and in the course of preparing our 2007 plan in the fourth quarter of 2006, we identified additional restructuring actions to improve our profitability. These restructuring actions include additional downsizing of workforces to reflect the volume reductions at certain facilities and reducing overhead costs. We expect to complete these restructuring actions by the end of 2007.

As of June 30, 2007, we have recorded termination costs related to approximately 7,200 employees, primarily operations and plant employees. Approximately 6,100 of these employees have been terminated as of June 30, 2007 with the balance of the terminations to occur by the end of 2007. Approximately 65% of employee terminations are in the Americas and 35% in Europe.

Details of the 2007 activity are as follows:

	Employee termination costs			Lease and other contractual obligations			Facility exit costs and other			Total accrued liability			Non-cash charge			2007 charge

December 31, 2006	$	52.5		$	12.1		$	0.5		$	65.1		$	53.6		$	—
Cash payments	(28.3		)	(2.3		)	(1.7		)	(32.3		)	—			—
Provisions	6.1			0.7			1.6			8.4			—			8.4
March 31, 2007	30.3			10.5			0.4			41.2			53.6			8.4
Cash payments	(14.4		)	(0.8		)	(0.8		)	(16.0		)	—			—
Provisions	4.8			0.1			0.8			5.7			(4.1		)	1.6
June 30, 2007	$	20.7		$	9.8		$	0.4		$	30.9		$	49.5		$	10.0

Cash outlays are and will be funded from cash on hand. The restructuring liability is recorded in accrued liabilities.

In September 2006, we sold one of our production facilities in Europe to a third party as part of our restructuring program. In connection with the sale, we provided indemnities to the purchaser which management believes will not have a material adverse impact on our operations, financial position or liquidity. The final post-closing cash was received in the first quarter of 2007. In the first quarter of 2007, we also repaid $4.0 to the purchaser which we were previously holding in escrow.

Restructuring summary:

We expect to incur restructuring charges of between $20 and $40 in 2007 to complete these restructuring actions. We recorded restructuring charges of $10.5 in the first half of 2007.

As of June 30, 2007, we have approximately $4 in assets that are available-for-sale, primarily land and buildings as a result of the restructuring actions we implemented. We have programs underway to sell these assets.

(c) In 2004, we recorded a write-down in other charges to reduce the net realizable value of certain assets for one customer which ceased operations in 2005. The 2007 amounts are primarily due to additional recoveries realized.

6. Pension and non-pension post-employment benefit plans:

We have recorded the following pension expense:

	Three months ended June 30				Six months ended June 30
	2006		2007		2006		2007

Pension plans	$	9.1	$	5.3	$	17.8	$	10.3
Other benefit plans	2.3		1.7		4.5		3.4
Total expense	$	11.4	$	7.0	$	22.3	$	13.7

7. Stock-based compensation and other stock-based payments:

We have granted stock options and performance options as part of our long-term incentive plans. We have applied the fair-value method of accounting for stock option awards granted after January 1, 2003 and, accordingly, have recorded compensation expense. For awards granted in 2002, we have disclosed the pro forma earnings and per share information as if we had accounted for employee stock options under the fair-value method. We are not required to apply the pro forma impact of awards granted prior to January 1, 2002.

The estimated fair value of options is amortized to expense over the vesting period, on a straight-line basis, and was determined using the Black-Scholes option pricing model with the following weighted average assumptions:

	Three months ended June 30		Six months ended June 30
	2006	2007	2006	2007

Risk-free rate	4.9% – 5.0%	4.8%	4.5% – 5.0%	4.5% – 4.8%
Dividend yield	0.0%	0.0%	0.0%	0.0%
Volatility factor of the expected market price of our shares	36% – 63%	36% – 48%	36% - 65%	35% – 52%
Expected option life (in years)	3.5 – 5.5	4.0 – 5.5	3.5 – 5.5	4.0 – 5.5
Weighted average fair value of options granted	$5.32	$2.71	$5.59	$2.55

Compensation expense for the three and six months ended June 30, 2007 was $1.4 and $3.0, respectively (three and six months ended June 30, 2006 was $0.3 and $3.1, respectively), relating to the fair value of options granted after January 1, 2003.

The pro forma disclosure relating to options granted in 2002 is as follows:

	Three months ended June 30					Six months ended June 30
	2006			2007		2006			2007

Net earnings (loss) as reported	$	(30.3	)	$	24.9	$	(47.7	)	$	(9.4	)
Deduct: Stock-based compensation (fair value)	(0.9		)	—		(2.7		)	—
Pro forma net earnings (loss)	$	(31.2	)	$	24.9	$	(50.4	)	$	(9.4	)

Earnings (loss) per share:
Basic – as reported	$	(0.13	)	$	0.11	$	(0.21	)	$	(0.04	)
Basic – pro forma	$	(0.14	)	$	0.11	$	(0.22	)	$	(0.04	)

Diluted – as reported	$	(0.13	)	$	0.11	$	(0.21	)	$	(0.04	)
Diluted – pro forma	$	(0.14	)	$	0.11	$	(0.22	)	$	(0.04	)

All of the 2002 option grants were fully vested by the end of 2006 and, therefore, do not impact our 2007 pro forma disclosure.

Our stock plans are described in note 9 to the 2006 annual consolidated financial statements.

8. Segment and geographic information:

The accounting standards establish the criteria for the disclosure of certain information in the interim and annual financial statements regarding operating segments, products and services, geographic areas and major customers. Operating segments are defined as components of an enterprise for which separate financial information is available that is regularly evaluated by the chief operating decision maker in deciding how to allocate resources and in assessing performance.

In 2006, we had three reportable operating segments: Asia, Americas and Europe. Beginning in the first quarter of 2007, we realigned our organizational structure to more effectively manage our operations. We evaluate financial information for purposes of making decisions and assessing financial performance based on the types of services we offer. Our operating segments include electronics manufacturing and global services, which we combined for reporting purposes because our global services segment does not meet the qualitative threshold for separate segment disclosure. Our chief operating decision maker is our Chief Executive Officer.

(i) The following table indicates revenue by end market as a percentage of total revenue. Our revenue fluctuates from period to period depending on numerous factors, including but not limited to: seasonality of business, the

level of business from new and existing customers and disengagement of customers, the level of new program wins or losses, the phasing in or out of programs, and changes in customer demand.

	Three months ended June 30				Six months ended June 30
	2006		2007		2006		2007

Enterprise communications	27	%	29	%	28	%	31	%
Telecommunications	20	%	14	%	20	%	14	%
Servers	17	%	20	%	17	%	19	%
Consumer	17	%	18	%	15	%	18	%
Storage	9	%	11	%	10	%	11	%
Industrial	10	%	8	%	10	%	7	%

(ii) The number of customers that individually exceeded 10% of total revenue for the indicated periods are as follows:

	Three months ended June 30		Six months ended June 30
	2006	2007	2006	2007

Number of customers	2	2	2	2

9. Supplemental cash flow information:

	Three months ended June 30				Six months ended June 30
	2006		2007		2006		2007
Paid during the period:

Taxes	$	6.2	$	5.1	$	11.0	$	11.9
Interest (a)	$	2.7	$	4.9	$	33.7	$	40.6

(a) This includes interest paid on the 2011 and 2013 Senior Subordinated Notes. Interest on the Notes is payable in January and July of each year until maturity. See notes 4 (b) and (c). The interest paid on the 2011 Notes reflect the amounts received or paid relating to the interest rate swap agreements.

10. Derivative financial instruments:

We enter into foreign currency contracts to hedge foreign currency risks relating to cash flow. At June 30, 2007, we had forward exchange contracts covering various currencies in an aggregate notional amount of $444.3. All derivative financial instruments are recorded at fair value on our consolidated balance sheet. The fair value of these contracts at June 30, 2007 was a net unrealized gain of $13.4. As of June 30, 2007, $14.3 of derivative assets are recorded in prepaid and other assets, $0.3 of derivative assets are recorded in other assets and $1.2 of derivative liabilities are recorded in accrued liabilities relating to our hedges against foreign currency risks.

In connection with the issuance of our 2011 Notes in June 2004, we entered into agreements to swap the fixed rate of interest for a variable interest rate. The notional amount of the agreements is $500.0. The agreements mature July 2011. See note 4(b). Payments or receipts under the swap agreements are recorded in interest expense on long-term debt. The fair value of the interest rate swap agreements at June 30, 2007 was an unrealized loss of $12.5 which is recorded in other long-term liabilities (December 31, 2006 – unrealized loss of $7.9). The change in the fair value of the swap agreements of $4.6 for the first half of 2007 is recorded in interest expense on long-term debt.

11. Shareholders’ equity:

	Capital stock		Warrants			Contributed surplus			Deficit

Balance – December 31, 2006	$	3,576.6	$	8.4		$	179.3		$	(1,696.2	)
Change in accounting policy (note 2)	—		—			—			(6.4		)
Shares issued	5.9		—			—			—
Warrants cancelled	—		(5.3		)	5.3			—
Stock-based costs	—		—			(1.9		)	—
Other	—		—			0.2			—
Net loss for the first quarter of 2007	—		—			—			(34.3		)
Balance – March 31, 2007	3,582.5		3.1			182.9			(1,736.9		)
Shares issued	2.2		—			—			—
Stock-based costs	—		—			2.8			—
Other	—		—			(0.2		)	—
Net earnings for the second quarter of 2007	—		—			—			24.9
Balance – June 30, 2007	$	3,584.7	$	3.1		$	185.5		$	(1,712.0	)

	March 31 2007			June 30 2007
Accumulated other comprehensive income, net of tax:

Opening balance of foreign currency translation account	$	—		$	27.1
Transitional adjustment – January 1, 2007	26.5			—
Foreign currency translation gain (loss)	0.6			(1.7		)
Closing balance	$	27.1		$	25.4

Opening balance of unrealized net loss on cash flow hedges (1)	$	—		$	(1.3	)
Transitional adjustment – January 1, 2007	(0.5		)	—
Net gain (loss) on cash flow hedges (2)	(0.5		)	16.8
Net gain on cash flow hedges reclassified to operations (3)	(0.3		)	(2.1		)
Closing balance	$	(1.3	)	$	13.4

Accumulated other comprehensive income	$	25.8		$	38.8

(1) Net of income tax benefit of nil and $0.1, respectively, for the three and six months ended June 30, 2007.

(2) Net of income tax benefit of nil and $0.1, respectively, for the three and six months ended June 30, 2007.

(3) No income tax expense for the three and six months ended June 30, 2007.

12. Guarantees and contingencies:

We have contingent liabilities in the form of letters of credit, letters of guarantee, and surety and performance bonds which we provided to various third parties. These guarantees cover various payments, including customs and excise taxes, utility commitments and certain bank guarantees. At June 30, 2007, these contingent liabilities amounted to $75.7 (December 31, 2006 - $84.9).

In addition to the above guarantees, we have also provided routine indemnifications, whose terms range in duration and often are not explicitly defined. These may include indemnifications against adverse impacts due to changes in tax laws and patent infringements by third parties. We have also provided indemnifications in connection with the sale of certain businesses and real property. The maximum potential liability from these indemnifications cannot be reasonably estimated. In some cases, we have recourse against other parties to mitigate our risk of loss from these indemnifications. Historically, we have not made significant payments relating to these types of indemnifications.

In the normal course of our operations, we are subject to litigation and claims from time to time. We may also be subject to lawsuits, investigations and other claims, including environmental, labor, product, customer disputes and other matters. Management believes that adequate provisions have been recorded in the accounts where required. Although it is not possible to estimate the extent of potential costs, if any, management believes that the ultimate resolution of such contingencies will not have a material adverse impact on our results of operations, financial position or liquidity.

In 2007, securities class action litigations were commenced against us, our former Chief Executive Officer and our former Chief Financial Officer, in the United States District Court of the Southern District of New York by individuals who claim they are purchasers of our stock, on behalf of themselves and other purchasers of our stock, during a specified time period. The plaintiffs allege violations of United States federal securities laws and seek unspecified damages. They allege that during the purported class period we made statements concerning our actual and anticipated future financial results that failed to disclose certain purportedly adverse information with respect to demand and inventory in our Mexican operations and our information technology and communications divisions. We believe that the allegations are without merit and we intend to defend against them vigorously. However, there can be no assurance that the outcome of the litigation will be favorable to us or will not have a material adverse impact on our financial position or liquidity. In addition, we may incur substantial litigation expenses in defending these claims. We have liability insurance coverage that may cover some of the expense of defending these cases, as well as potential judgments or settlement costs.

Income taxes:

We are subject to tax audits by local taxing authorities. International taxation authorities could challenge the validity of our inter-company financing and transfer pricing policies which generally involve subjective areas of taxation and a significant degree of judgment. If any of these taxation authorities is successful in challenging our financing or transfer pricing policies, our income tax expense may be adversely affected and we could also be subjected to interest and penalty charges. In connection with ongoing tax audits in the United States, taxing authorities have asserted that our United States subsidiaries owe significant amounts of tax, interest and penalties arising from inter-company transactions. A significant portion of these asserted deficiencies were resolved in favour of the company in the fourth quarter of 2006. We believe we have substantial defenses to the remaining asserted deficiencies and have adequately accrued for any likely potential losses. However, there can be no assurance as to the final resolution of these remaining asserted deficiencies and any resulting proceedings and if these remaining asserted deficiencies and proceedings are determined adversely to us, the amounts we may be required to pay may be material.

Exhibit 99.3

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Craig H. Muhlhauser, certify that:

1. I have reviewed this report on Form 6-K of Celestica Inc., which constitutes a quarterly report of the company;

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 light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report;

4. The company’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the company and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the company, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the company’s internal control over financial reporting that occurred during the

company’s most recent fiscal quarter (the company’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the company’s internal control over financial reporting; and

5. The company’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s auditors and the audit committee of company’s board of directors (or persons performing the equivalent function):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal control over financial reporting.

Date: July 27, 2007

/s/ Craig H. Muhlhauser

Craig H. Muhlhauser

Chief Executive Officer

Exhibit 99.4

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Paul Nicoletti, certify that:

1. I have reviewed this report on Form 6-K of Celestica Inc., which constitutes a quarterly report of the company;

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 light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report;

4. The company’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the company and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the company, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the company’s internal control over financial reporting that occurred during the

company’s most recent fiscal quarter (the company’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the company’s internal control over financial reporting; and

5. The company’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s auditors and the audit committee of company’s board of directors (or persons performing the equivalent function):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal control over financial reporting.

Date: July 27, 2007

/s/ Paul Nicoletti

Paul Nicoletti

Chief Financial Officer

Exhibit 99.5

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

Each of the undersigned hereby certifies, in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of Celestica Inc. (the “Company”), that the quarterly report of the Company included in the Form 6-K for the period ended June 30, 2007, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition and results of operations of the Company.

July 27, 2007	/s/ Craig H. Muhlhauser
	Craig H. Muhlhauser
	Chief Executive Officer

July 27, 2007	/s/ Paul Nicoletti
	Paul Nicoletti
	Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

The information that you are accessing on this website may include forward-looking statements related to our future growth, trends in our industry, our financial and operational results and performance that are based on current expectations, forecast and assumptions involving risk and uncertainties that could cause actual outcomes and results to differ materially.

Read the full Cautionary Note here

CELESTICA ANNOUNCES SECOND QUARTER 2007 FINANCIAL RESULTS

About Celestica

Safe Harbour and Fair Disclosure Statement

RECONCILIATION OF GAAP TO

1. I have reviewed this report on Form 6-K of Celestica Inc., which constitutes a quarterly report of the company;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report;

4. The company’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the company and have:

(c) evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the company’s internal control over financial reporting that occurred during the

company’s most recent fiscal quarter (the company’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the company’s internal control over financial reporting; and

5. The company’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s auditors and the audit committee of company’s board of directors (or persons performing the equivalent function):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal control over financial reporting.

1. I have reviewed this report on Form 6-K of Celestica Inc., which constitutes a quarterly report of the company;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report;

4. The company’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the company and have:

(c) evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the company’s internal control over financial reporting that occurred during the

company’s most recent fiscal quarter (the company’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the company’s internal control over financial reporting; and

5. The company’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s auditors and the audit committee of company’s board of directors (or persons performing the equivalent function):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal control over financial reporting.

CELESTICA ANNOUNCES SECOND QUARTER
2007 FINANCIAL RESULTS