Earnings release
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CDW CDW Reports Second Quarter 2026 Earnings EXHIBIT 99.1 ( Dollars in millions , except per share amounts ) Net sales Gross profit Gross profit margin Operating income Operating income margin Three Months Ended June 30 , $ 428.6 $ 420.2 Six Months Ended June 30 , 2026 $ 6,572.2 2025 $ 5,976.6 Percent Change 2026 10.0 % $ 12,252.0 $ 1,319.8 $ 1,241.2 6.3 2025 $ 11,175.7 $ 2,509.8 $ 2,363.5 Percent Change 9.6 % 6.2 20.1 % 20.8 % 20.5 % 21.1 % 2.0 $ 804.6 $ 781.6 2.9 6.5 % 7.0 % 6.6 % 7.0 % Non - GAAP operating income¹ $ 556.0 $ 519.7 7.0 $ 1,007.9 $ 963.7 4.6 Non - GAAP operating income margin¹ Net income Non - GAAP net income1 Net income per diluted share 8.5 % 8.7 % 8.2 % 8.6 % $ 274.4 $ 271.2 1.2 $ 509.8 $ 496.1 2.8 $ 370.4 $ 343.7 $ 2.15 7.8 $ 665.7 $ 630.2 5.6 2.05 5.1 $ 3.97 $ 3.73 6.3 Non - GAAP net income per diluted share1 $ Average daily sales² 2.91 2.60 11.9 $ 5.18 4.74 9.3 $ 102.7 $ 93.4 10.0 $ 96.5 $ 88.0 9.6 1 Non - GAAP measures used in this release that are not based on accounting principles generally accepted in the United States of America ( " GAAP " ) are each defined and reconciled to the most directly comparable GAAP measures in the attached schedules . 2 Defined as Net sales divided by the number of selling days . There were 64 selling days for both the three months ended June 30 , 2026 and 2025. There were 127 selling days for both the six months ended June 30 , 2026 and 2025 . VERNON HILLS , III . , August 5 , 2026 - CDW Corporation ( Nasdaq : CDW ) announced today second quarter 2026 results . CDW also announced the approval by its Board of Directors of a quarterly cash dividend of $ 0.630 per common share to be paid on September 10 , 2026 , to all stockholders of record as of the close of business on August 25 , 2026 . " CDW delivered strong second quarter results as customers advanced investments in infrastructure modernization , cloud , and Al - enabled technologies , " said Christine A. Leahy , chair and chief executive officer , CDW . " As organizations move beyond Al exploration and focus on scaling practical use cases , they increasingly rely on trusted partners with the expertise to integrate solutions across the full technology stack . Our diversified portfolio , customer - centric strategy , and services - led capabilities position us well to capture evolving technology demand and drive long - term value creation . " " Strong demand for infrastructure solutions , combined with disciplined execution and expense management , drove solid gross profit growth , operating income expansion and double - digit earnings per share growth in the quarter , " said Albert J. Miralles , chief financial officer , CDW . " We continue to focus on balancing growth investments with operational efficiency while maintaining a disciplined approach to working capital and capital allocation , providing flexibility to support our customers and create long - term shareholder value . " " As technology environments become more complex and evolve at an accelerating pace , CDW's role as a trusted advisor is more relevant than ever , " Leahy concluded . " By bringing together deep industry and technology expertise across the full technology stack and lifecycle , we help customers navigate change and deliver measurable business outcomes . Supported by these strengths , we remain confident in our ability to exceed US IT addressable market growth by 200 to 300 basis points on a constant currency basis . " 1
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Second Quarter of 2026 Highlights: Net sales in the second quarter of 2026 were $6,572 million, compared to $5,977 million in the second quarter of 2025, an increase of 10.0 percent. There were 64 selling days for both the three months ended June 30, 2026 and 2025. Net sales on a constant currency basis increased 9.9 percent in the second quarter of 2026 compared to the second quarter of 2025. Customer demand drove Net sales growth primarily in data storage and servers, notebooks/mobile devices, software, and netcomm products. The second quarter of 2026 Net sales performance included: • Commercial segment Net sales of $3,965 million, 9.2 percent higher than 2025. Commercial results were driven by an increase in Net sales to Corporate, Healthcare, and Financial Services customers of 10.7 percent, 9.1 percent, and 1.8 percent, respectively. • Government segment Net sales of $848 million, 13.6 percent higher than 2025. • Education segment Net sales of $933 million, 0.7 percent higher than 2025. • Net sales for CDW’s UK and Canadian operations, combined as "Other" for financial reporting purposes, were $826 million, 22.9 percent higher than 2025. Gross profit in the second quarter of 2026 was $1,320 million, compared to $1,241 million for the second quarter of 2025, representing an increase of 6.3 percent. Gross profit margin was 20.1 percent in the second quarter of 2026 compared to 20.8 percent in the second quarter of 2025. The decrease in Gross profit margin was primarily driven by mix into and lower margin in certain hardware categories, partially offset by a higher contribution of netted down revenue. Selling and administrative expenses were $891 million in the second quarter of 2026, compared to $821 million in the second quarter of 2025, representing an increase of 8.6 percent . The increase was primarily due to higher compensation expense, including performance-based incentives, and workplace optimization costs. Operating income was $429 million in the second quarter of 2026, compared to $420 million in the second quarter of 2025, representing an increase of 2.0 percent . Non-GAAP operating income was $556 million in the second quarter of 2026, compared to $520 million in the second quarter of 2025, representing an increase of 7.0 percent. Operating income margin and Non-GAAP operating income margin were 6.5 percent and 8.5 percent, respectively, for the second quarter of 2026, compared to 7.0 percent and 8.7 percent, respectively, for the second quarter of 2025. Interest expense, net includes interest expense and interest income. Interest expense, net was $60 million in the second quarter of 2026, compared to $57 million for the second quarter of 2025, representing an increase of 6.0 percent. The increase is primarily due to higher average debt levels on our senior unsecured revolving loan facility. The effective income tax rate was 26.4 percent in the second quarter of 2026, compared to 25.7 percent in the second quarter of 2025, which resulted in income tax expense of $99 million and $94 million , respectively. The increase in the effective income tax rate was primarily due to current year tax shortfalls as compared to prior year excess tax benefits on equity-based compensation. Net income was $274 million in the second quarter of 2026, compared to $271 million in the second quarter of 2025, representing an increase of 1.2 percent. Non-GAAP net income was $370 million in the second quarter of 2026, compared to $344 million in the second quarter of 2025, representing an increase of 7.8 percent. Weighted-average diluted shares outstanding were 127 million for the second quarter of 2026, compared to 132 million for the second quarter of 2025. Net income per diluted share for the second quarter of 2026 was $2.15, compared to $2.05 for the second quarter of 2025, representing an increase of 5.1 percent. Non-GAAP net income per diluted share for the second quarter of 2026 was $2.91, compared to $2.60 for the second quarter of 2025, representing an increase of 11.9 percent. Forward-Looking Statements This release contains "forward-looking statements" within the meaning of the federal securities laws. All statements other than statements of historical fact are forward-looking statements. These statements relate to analyses and other information, which are based on forecasts of future results or events and estimates of amounts not yet 2
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determinable. These statements also relate to our future prospects, financial outlook, growth, developments, business strategies, capital allocation, and stockholder returns. We claim the protection of The Private Securities Litigation Reform Act of 1995 for all forward-looking statements in this release. These forward-looking statements are identified by the use of terms and phrases such as "anticipate," "assume," "believe," "estimate," "expect," "goal," "intend," "plan," "potential," "predict," "project," "target" and similar terms and phrases or future or conditional verbs such as "could," "may," "should," "will," and "would." However, these words are not the exclusive means of identifying such statements. Examples of forward-looking statements include, but are not limited to, statements we make in this release regarding our future financial and operational performance, expected customer demand for technology solutions and services, customer spending trends, future liquidity, capital allocation priorities, strategic investments and transformation initiatives, management of debt obligations, and the impact of any economic, geopolitical, and regulatory developments. Although we believe that our plans, intentions, and other expectations reflected in or suggested by such forward-looking statements are reasonable, we cannot assure you that we will achieve those plans, intentions, or expectations. All forward-looking statements are subject to risks and uncertainties that may cause actual results or events to differ materially from those that we expected. Important factors that could cause actual results or events to differ materially from our expectations, or cautionary statements, are disclosed under the sections entitled "Risk Factors" and "Trends and Key Factors Affecting our Financial Performance" included in our Annual Report on Form 10-K for the year ended December 31, 2025 , and from time to time in our subsequent Quarterly Reports on Form 10-Q and our other US Securities and Exchange Commission ("SEC") filings and public communications. These factors include, among others: • relationships with our vendor partners and wholesale distributors and the terms of their agreements; • the ability of vendor partners, wholesale distributors, and third-party providers to fulfill their responsibilities and commitments and our reliance on certain key vendor partners and wholesale distributors; • our dependence on the continued innovations in technology by our vendor partners; • the use or capabilities of artificial intelligence and the challenges related to its adoption; • substantial competition that could reduce our market share; • the continuing development, maintenance, and operation of our information technology ("IT") systems; • potential breaches of data security and failure to protect our IT systems from cybersecurity threats; • potential failures to provide high-quality services to our customers; • potential losses of any key personnel, significant increases in labor costs, or ineffective workforce management; • potential service failures or disruptions related to outsourcing arrangements with certain business processes; • potential adverse occurrences at one of our primary facilities or third-party data centers, including as a result of climate change; • increases in the cost of commercial delivery services or disruptions of those services; • exposure to accounts receivable and inventory risks; • the costs and risks associated with, and the successful and timely execution and effects of, strategic investments or acquisitions or entry into joint ventures including our ability to align our investment efforts with our strategic goals; • future operating results may fluctuate significantly due to rapid changes in the technology industry and broader market conditions; • the costs and risks associated with, and the successful and timely execution and effects of, our existing and any future business opportunities, expansions, initiatives, strategies, investments, and plans; • fluctuations in foreign currency and the impact to our operating results; • global and regional economic and political conditions, including the impact of inflationary pressures and the level of interest rates; • decreases, delays, or changes in spending on technology products and services, including impacts of adverse changes in government spending and funding policies, federal procurement policies, and US government shutdowns; • potential disruptions in the supply of products from our suppliers, including capacity limitations and cost increases resulting from heightened demand related to artificial intelligence workloads; • potential failures to comply with public sector contracts or applicable laws and regulations; • current and future legal proceedings, investigations, and audits, including intellectual property infringement claims; 3
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• potential failure to comply with complex and evolving laws and regulations applicable to our operations or to meet sometimes conflicting stakeholder expectations on environmental sustainability and corporate responsibility matters; • our level of indebtedness and the obligations imposed by agreements and instruments relating to our indebtedness; • fluctuations in the market price and trading volumes of our common stock and changes in, or the discontinuation of, our share repurchase program or dividend payments; and • other risk factors or uncertainties identified from time to time in our filings with the SEC. All written and oral forward-looking statements attributable to us, or persons acting on our behalf, are expressly qualified in their entirety by those cautionary statements as well as other cautionary statements that are made from time to time in our other SEC filings and public communications. You should evaluate all forward-looking statements made in this release in the context of these risks and uncertainties. We caution you that the important factors referenced above may not reflect all of the factors that could cause actual results or events to differ from our expectations. In addition, we cannot assure you that we will realize the results or developments we expect or anticipate or, even if substantially realized, that they will result in the consequences or affect us or our operations in the way we expect. The forward-looking statements included in this release are made only as of the date hereof or, with respect to any documents incorporated by reference, available at the time such document was prepared or filed with the SEC. We undertake no obligation to publicly update or revise any forward- looking statement as a result of new information, future events or otherwise, except as otherwise required by law. Non-GAAP Financial Measures Generally, a non-GAAP financial measure is a numerical measure of a company’s performance or financial condition that either excludes or includes amounts that are not normally included or excluded in the most directly comparable measure calculated and presented in accordance with GAAP. Non-GAAP financial measures used by management may differ from similar measures used by other companies, even when similar terms are used to identify such measures. Our non-GAAP performance measures include Non-GAAP operating income, Non-GAAP operating income margin, Non-GAAP net income, Non-GAAP net income per diluted share, and Net sales on a constant currency basis, and our non-GAAP financial condition measures include Free cash flow and Adjusted free cash flow. These non-GAAP performance measures and non-GAAP financial condition measures are collectively referred to as "non-GAAP financial measures." The GAAP measures most directly comparable to Non-GAAP operating income, Non-GAAP operating income margin, Non-GAAP net income, Non-GAAP net income per diluted share, and Net sales on a constant currency basis are Operating income, Operating income margin, Net income, Net income per diluted share, and Net sales, respectively. The GAAP measure most directly comparable to Free cash flow and Adjusted free cash flow is Net cash provided by operating activities. Non-GAAP operating income excludes, among other things, charges related to the amortization of acquisition- related intangible assets, equity-based compensation and the associated payroll taxes, acquisition and integration expenses, transformation initiatives, and workplace optimization. Non-GAAP operating income margin is defined as Non-GAAP operating income as a percentage of Net sales. Non-GAAP net income and Non-GAAP net income per diluted share exclude, among other things, charges related to the amortization of acquisition-related intangible assets, equity-based compensation and the associated payroll taxes, acquisition and integration expenses, transformation initiatives, workplace optimization, and their associated income tax effects. Net sales on a constant currency basis is defined as Net sales excluding the impact of foreign currency translation on Net sales. Free cash flow is defined as Net cash provided by operating activities less capital expenditures. Adjusted free cash flow is defined as Free cash flow adjusted to include certain cash flows from financing activities incurred in the normal course of operations or as capital expenditures. We believe our non-GAAP financial measures provide analysts, investors, and management with useful information regarding the underlying operating performance of our business, as they remove the impact of items that management believes are not reflective of underlying operating performance. Management uses these measures to evaluate period-over-period performance as management believes they provide a more comparable measure of the underlying business. We also present non-GAAP financial condition measures as we believe they provide analysts, investors, and management with more information regarding our liquidity and capital resources. Certain non-GAAP financial measures are also used to determine certain components of performance-based compensation. 4
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Our outlook includes non-GAAP financial measures because certain reconciling items are dependent on future events that either cannot be controlled, such as currency impacts or interest rates, or reliably predicted because they are not part of our underlying performance, such as refinancing activities or acquisition and integration expenses. The financial statement tables that accompany this press release include a reconciliation of non-GAAP financial measures to the applicable most comparable GAAP financial measures. About CDW CDW Corporation (Nasdaq: CDW) is a leading multi-brand provider of information technology solutions to business, government, education, and healthcare customers in the United States, the United Kingdom, and Canada. CDW helps its customers to navigate an increasingly complex IT market and maximize return on their technology investments. For more information about CDW, please visit www.CDW.com. Webcast CDW Corporation will hold a conference call today, August 5, 2026 , at 7:30 a.m. CT/8:30 a.m. ET to discuss its second quarter financial results. The conference call, which will be broadcast live via the Internet, and a copy of this press release along with supplemental slides used during the call, can be accessed on CDW’s website at investor.cdw.com. For those unable to participate in the live call, a replay of the webcast will be available at investor.cdw.com approximately 90 minutes after the completion of the call and will be accessible on the site for approximately one year. Investor Inquiries Media Inquiries Steven O’Brien Amy Sarosiek Senior Vice President, Investor Relations Senior Vice President, Corporate Communications (847) 968-0238 (847) 975-3014 investorrelations@cdw.com mediarelations@cdw.com 5
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CDW CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS (dollars and shares in millions, except per-share amounts) (unaudited) Three Months Ended June 30, Six Months Ended June 30, 2026 2025 Percent Change 2026 2025 Percent Change Net sales $ 6,572.2 $ 5,976.6 10.0 % $ 12,252.0 $ 11,175.7 9.6 % Cost of sales 5,252.4 4,735.4 10.9 9,742.2 8,812.2 10.6 Gross profit 1,319.8 1,241.2 6.3 2,509.8 2,363.5 6.2 Selling and administrative expenses 891.2 821.0 8.6 1,705.2 1,581.9 7.8 Operating income 428.6 420.2 2.0 804.6 781.6 2.9 Interest expense, net (60.2) (56.8) 6.0 (115.5) (113.9) 1.4 Other income (expense), net 4.5 1.5 nm* 2.8 1.2 nm* Income before income taxes 372.9 364.9 2.2 691.9 668.9 3.4 Income tax expense (98.5) (93.7) 5.1 (182.1) (172.8) 5.4 Net income $ 274.4 $ 271.2 1.2 % $ 509.8 $ 496.1 2.8 % Net income per common share: Basic $ 2.16 $ 2.06 4.9 % $ 3.98 $ 3.76 6.0 % Diluted $ 2.15 $ 2.05 5.1 % $ 3.97 $ 3.73 6.3 % Weighted-average common shares outstanding: Basic 127.0 131.6 128.0 132.1 Diluted 127.4 132.4 128.4 132.9 *nm - Not meaningful 6
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CDW CORPORATION AND SUBSIDIARIES NET SALES DETAIL (dollars in millions) (unaudited) Three Months Ended June 30, Six Months Ended June 30, 2026 2025 Percent Change(i) 2026 2025 Percent Change(i) Commercial: Corporate $ 2,618.1 $ 2,364.4 10.7 % $ 4,992.4 $ 4,554.4 9.6 % Financial Services 487.1 478.6 1.8 915.5 812.7 12.6 Healthcare 860.2 788.3 9.1 1,626.9 1,519.5 7.1 Total Commercial 3,965.4 3,631.3 9.2 7,534.8 6,886.6 9.4 Government 848.0 746.6 13.6 1,480.9 1,351.5 9.6 Education 933.1 926.6 0.7 1,608.1 1,585.1 1.5 Other 825.7 672.1 22.9 1,628.2 1,352.5 20.4 Total Net sales $ 6,572.2 $ 5,976.6 10.0 % $ 12,252.0 $ 11,175.7 9.6 % (i) There were 64 selling days for both the three months ended June 30, 2026 and 2025. There were 127 selling days for both the six months ended June 30, 2026 and 2025. Average Daily Sales is defined as Net sales divided by the number of selling days. 7
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CDW CORPORATION AND SUBSIDIARIES TIMING OF REVENUE RECOGNITION (dollars in millions) (unaudited) Three Months Ended June 30, 2026 Commercial Government Education Other Total Timing of Revenue Recognition Transferred at a point in time where CDW is principal $ 3,401.6 $ 723.5 $ 858.5 $ 715.3 $ 5,698.9 Transferred at a point in time where CDW is agent 324.7 59.0 45.3 45.2 474.2 Transferred over time where CDW is principal 239.1 65.5 29.3 65.2 399.1 Total Net sales $ 3,965.4 $ 848.0 $ 933.1 $ 825.7 $ 6,572.2 Three Months Ended June 30, 2025 Commercial Government Education Other Total Timing of Revenue Recognition Transferred at a point in time where CDW is principal $ 3,116.5 $ 625.2 $ 860.8 $ 560.1 $ 5,162.6 Transferred at a point in time where CDW is agent 277.5 51.8 36.6 42.5 408.4 Transferred over time where CDW is principal 237.3 69.6 29.2 69.5 405.6 Total Net sales $ 3,631.3 $ 746.6 $ 926.6 $ 672.1 $ 5,976.6 Six Months Ended June 30, 2026 Commercial Government Education Other Total Timing of Revenue Recognition Transferred at a point in time where CDW is principal $ 6,434.4 $ 1,264.9 $ 1,477.2 $ 1,408.8 $ 10,585.3 Transferred at a point in time where CDW is agent 621.8 103.5 75.1 84.5 884.9 Transferred over time where CDW is principal 478.6 112.5 55.8 134.9 781.8 Total Net sales $ 7,534.8 $ 1,480.9 $ 1,608.1 $ 1,628.2 $ 12,252.0 Six Months Ended June 30, 2025 Commercial Government Education Other Total Timing of Revenue Recognition Transferred at a point in time where CDW is principal $ 5,848.2 $ 1,131.6 $ 1,464.5 $ 1,134.7 $ 9,579.0 Transferred at a point in time where CDW is agent 575.4 94.8 64.8 83.6 818.6 Transferred over time where CDW is principal 463.0 125.1 55.8 134.2 778.1 Total Net sales $ 6,886.6 $ 1,351.5 $ 1,585.1 $ 1,352.5 $ 11,175.7 8
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CDW CORPORATION AND SUBSIDIARIES CONDENSED CONSOLIDATED BALANCE SHEETS (dollars in millions) June 30, 2026 December 31, 2025 June 30, 2025 Assets (unaudited) (unaudited) Current assets: Cash and cash equivalents $ 361.8 $ 618.7 $ 481.0 Accounts receivable, net of allowance for credit losses of $68.4, $65.2, and $51.7, respectively 7,343.7 6,312.4 5,626.9 Merchandise inventory 981.8 563.4 761.6 Miscellaneous receivables 546.8 554.0 559.0 Prepaid expenses and other 446.4 452.0 408.0 Total current assets 9,680.5 8,500.5 7,836.5 Operating lease right-of-use assets 128.2 136.7 110.4 Property and equipment, net 166.0 171.5 181.6 Goodwill 4,652.1 4,662.3 4,652.6 Other intangible assets, net 1,095.7 1,186.4 1,270.6 Accounts receivable and other assets, noncurrent 1,532.3 1,370.8 1,214.0 Total assets $ 17,254.8 $ 16,028.2 $ 15,265.7 Liabilities and Stockholders’ Equity Current liabilities: Accounts payable - trade $ 5,117.4 $ 4,220.1 $ 3,799.5 Accounts payable - inventory financing 465.2 352.6 420.4 Current maturities of long-term debt 1,008.9 1,007.5 9.5 Contract liabilities 576.6 534.0 489.9 Accrued expenses and other current liabilities 1,128.3 1,111.9 1,086.4 Total current liabilities 8,296.4 7,226.1 5,805.7 Long-term liabilities: Debt 4,808.1 4,622.3 5,623.2 Deferred income taxes 162.3 171.8 139.1 Operating lease liabilities 147.3 157.8 136.3 Accounts payable and other liabilities 1,398.6 1,244.1 1,094.2 Total long-term liabilities 6,516.3 6,196.0 6,992.8 Total stockholders’ equity 2,442.1 2,606.1 2,467.2 Total liabilities and stockholders’ equity $ 17,254.8 $ 16,028.2 $ 15,265.7 9
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CDW CORPORATION AND SUBSIDIARIES DEBT AND WORKING CAPITAL INFORMATION (dollars in millions) (unaudited) June 30, 2026 December 31, 2025 June 30, 2025 Debt and Revolver Availability Cash and cash equivalents $ 361.8 $ 618.7 $ 481.0 Total debt 5,817.0 5,629.8 5,632.7 Net debt(i) 5,455.2 5,011.1 5,151.7 Revolver availability 1,682.4 1,925.8 1,213.1 Cash plus revolver availability 2,044.2 2,544.5 1,694.1 Working Capital(ii) Days of sales outstanding 93 95 80 Days of supply in inventory 16 11 13 Days of purchases outstanding (88) (90) (77) Cash conversion cycle 21 16 16 (i) Defined as Total debt minus Cash and cash equivalents. (ii) Based on a rolling three-month average. CDW CORPORATION AND SUBSIDIARIES CASH FLOW INFORMATION (dollars in millions) (unaudited) Six Months Ended June 30, 2026 2025 Net cash provided by operating activities $ 219.7 $ 443.1 Capital expenditures (53.9) (49.4) Other cash flows (used in) provided by investing activities (4.9) 204.0 Net cash (used in) provided by investing activities (58.8) 154.6 Net change in accounts payable-inventory financing-supplier financing 50.6 65.2 Proceeds from accounts payable-inventory financing-product financing 62.5 — Payments on accounts payable-inventory financing-product financing (0.5) — Other cash flows used in financing activities (518.8) (714.4) Net cash used in financing activities (406.2) (649.2) Effect of exchange rate changes on cash, cash equivalents, and restricted cash (10.5) 25.0 Net decrease in cash, cash equivalents, and restricted cash (255.8) (26.5) Cash, cash equivalents, and restricted cash - beginning of period(i) 618.9 507.7 Cash, cash equivalents, and restricted cash - end of period(i) $ 363.1 $ 481.2 Supplementary disclosure of cash flow information: Interest paid $ (116.9) $ (120.4) Income taxes paid, net $ (202.2) $ (163.3) (i) Restricted cash is presented within Prepaid expenses and other on the Consolidated Balance Sheets, as applicable. 10
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CDW CORPORATION AND SUBSIDIARIES NON-GAAP FINANCIAL MEASURE RECONCILIATIONS CDW has included reconciliations of Non-GAAP operating income, Non-GAAP operating income margin, Non-GAAP net income, Non-GAAP net income per diluted share, and Net sales on a constant currency basis for the three and six months ended June 30, 2026 and 2025 below. In addition, a reconciliation of Free cash flow and Adjusted free cash flow is included for the six months ended June 30, 2026 and 2025. CDW CORPORATION AND SUBSIDIARIES NON-GAAP OPERATING INCOME AND NON-GAAP OPERATING INCOME MARGIN (dollars in millions) (unaudited) Three Months Ended June 30, Six Months Ended June 30, 2026 Percentage of Net sales 2025 Percentage of Net sales 2026 Percentage of Net sales 2025 Percentage of Net sales Operating income, as reported $ 428.6 6.5 % $ 420.2 7.0 % $ 804.6 6.6 % $ 781.6 7.0 % Amortization of intangibles(i) 42.4 42.4 85.1 85.2 Equity-based compensation 28.1 23.5 50.2 44.0 Transformation initiatives(ii) 9.9 17.4 18.2 31.1 Acquisition and integration expenses 1.6 2.0 2.6 4.9 Workplace optimization(iii) 44.2 12.7 44.2 12.8 Other adjustments 1.2 1.5 3.0 4.1 Non-GAAP operating income $ 556.0 8.5 % $ 519.7 8.7 % $ 1,007.9 8.2 % $ 963.7 8.6 % (i) Includes amortization expense for acquisition-related intangible assets, primarily customer relationships, customer contracts, and trade names. (ii) Includes costs related to strategic transformation initiatives focused on optimizing various operations and systems. (iii) Includes costs related to workforce reductions and charges related to the reduction of our real estate lease portfolio. 11
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CDW CORPORATION AND SUBSIDIARIES NON-GAAP NET INCOME AND NON-GAAP NET INCOME PER DILUTED SHARE (dollars and shares in millions, except per share amounts) (unaudited) Three Months Ended June 30, 2026 2025 Income before Income Taxes Income Tax Expense(i) Net Income Effective Tax Rate Income before Income Taxes Income Tax Expense(i) Net Income Effective Tax Rate GAAP, as reported $ 372.9 $ (98.5) $ 274.4 26.4 % $ 364.9 $ (93.7) $ 271.2 25.7 % Amortization of intangibles(ii) 42.4 (11.0) 31.4 42.4 (11.1) 31.3 Equity-based compensation 28.1 (5.6) 22.5 23.5 (7.1) 16.4 Transformation initiatives(iii) 9.9 (2.5) 7.4 17.4 (4.5) 12.9 Acquisition and integration expenses 1.6 (0.4) 1.2 2.0 (0.5) 1.5 Workplace optimization(iv) 44.2 (11.5) 32.7 12.7 (3.3) 9.4 Other adjustments 1.2 (0.4) 0.8 1.5 (0.5) 1.0 Non-GAAP $ 500.3 $ (129.9) $ 370.4 26.0 % $ 464.4 $ (120.7) $ 343.7 26.0 % Net income per diluted share, as reported $ 2.15 $ 2.05 Non-GAAP net income per diluted share $ 2.91 $ 2.60 Shares used in computing GAAP and Non-GAAP net income per diluted share 127.4 132.4 (i) Income tax on non-GAAP adjustments includes excess tax benefits associated with equity-based compensation. (ii) Includes amortization expense for acquisition-related intangible assets, primarily customer relationships, customer contracts, and trade names. (iii) Includes costs related to strategic transformation initiatives focused on optimizing various operations and systems. (iv) Includes costs related to workforce reductions and charges related to the reduction of our real estate lease portfolio. 12
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CDW CORPORATION AND SUBSIDIARIES NON-GAAP NET INCOME AND NON-GAAP NET INCOME PER DILUTED SHARE (dollars and shares in millions, except per share amounts) (unaudited) Six Months Ended June 30, 2026 2025 Income before Income Taxes Income Tax Expense(i) Net Income Effective Tax Rate Income before Income Taxes Income Tax Expense(i) Net Income Effective Tax Rate GAAP, as reported $ 691.9 $ (182.1) $ 509.8 26.3 % $ 668.9 $ (172.8) $ 496.1 25.8 % Amortization of intangibles(ii) 85.1 (22.1) 63.0 85.2 (22.2) 63.0 Equity-based compensation 50.2 (7.6) 42.6 44.0 (12.0) 32.0 Transformation initiatives(iii) 18.2 (4.7) 13.5 31.1 (8.1) 23.0 Acquisition and integration expenses 2.6 (0.7) 1.9 4.9 (1.3) 3.6 Workplace optimization(iv) 44.2 (11.5) 32.7 12.8 (3.3) 9.5 Other adjustments 3.0 (0.8) 2.2 4.1 (1.1) 3.0 Non-GAAP $ 895.2 $ (229.5) $ 665.7 25.6 % $ 851.0 $ (220.8) $ 630.2 25.9 % Net income per diluted share, as reported $ 3.97 $ 3.73 Non-GAAP net income per diluted share $ 5.18 $ 4.74 Shares used in computing GAAP and Non-GAAP net income per diluted share 128.4 132.9 (i) Income tax on non-GAAP adjustments includes excess tax benefits associated with equity-based compensation. (ii) Includes amortization expense for acquisition-related intangible assets, primarily customer relationships, customer contracts, and trade names. (iii) Includes costs related to strategic transformation initiatives focused on optimizing various operations and systems. (iv) Includes costs related to workforce reductions and charges related to the reduction of our real estate lease portfolio. 13
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CDW CORPORATION AND SUBSIDIARIES NET SALES ON A CONSTANT CURRENCY BASIS (dollars in millions) (unaudited) Three Months Ended June 30, Six Months Ended June 30, 2026 2025 Percent Change(i) 2026 2025 Percent Change(i) Net sales, as reported $ 6,572.2 $ 5,976.6 10.0 % $ 12,252.0 $ 11,175.7 9.6 % Foreign currency translation(ii) — 1.0 — 41.1 Net sales, on a constant currency basis $ 6,572.2 $ 5,977.6 9.9 % $ 12,252.0 $ 11,216.8 9.2 % (i) There were 64 selling days for both the three months ended June 30, 2026 and 2025. There were 127 selling days for both the six months ended June 30, 2026 and 2025. Average Daily Sales is defined as Net sales divided by the number of selling days. (ii) Represents the effect of translating the prior year results of CDW UK and CDW Canada at the average exchange rates applicable in the current year. 14
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CDW CORPORATION AND SUBSIDIARIES FREE CASH FLOW AND ADJUSTED FREE CASH FLOW (dollars in millions) (unaudited) Six Months Ended June 30, 2026 2025 Net cash provided by operating activities $ 219.7 $ 443.1 Capital expenditures (53.9) (49.4) Free cash flow 165.8 393.7 Net change in accounts payable-inventory financing-supplier financing 50.6 65.2 Proceeds from accounts payable-inventory financing-product financing 62.5 — Payments on accounts payable-inventory financing-product financing (0.5) — Adjusted free cash flow(i) $ 278.4 $ 458.9 (i) Defined as Net cash provided by operating activities less Capital expenditures, adjusted to include cash flows from financing activities that relate to the purchase of inventory. 15