I NVESTOR PRESENTATI ON Fall 2 0 1 7 DI SCLAI MERS - - PowerPoint PPT Presentation

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I NVESTOR PRESENTATI ON Fall 2 0 1 7 DI SCLAI MERS - - PowerPoint PPT Presentation

I NVESTOR PRESENTATI ON Fall 2 0 1 7 DI SCLAI MERS Forward-Looking Statements Statements in this document that are not statements of historical fact are forward-looking statements within the meaning of the safe harbor provisions of the Private


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SLIDE 1

I NVESTOR PRESENTATI ON

Fall 2 0 1 7

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SLIDE 2

Forward-Looking Statements Statements in this document that are not statements of historical fact are forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, including without limitation statements regarding the future financial performance of CDW. These statements involve risks and uncertainties that could cause actual results to differ materially from those described in such statements. These risks and uncertainties include, among others, global and regional economic conditions; decreases in spending on technology products; CDW's relationships with vendor partners and availability of their products; continued innovations in hardware, software and services offerings by CDW's vendor partners; substantial competition that could reduce CDW's market share; CDW's substantial indebtedness and ability to generate sufficient cash to service such indebtedness; restrictions imposed by agreements relating to CDW's indebtedness on its operations and liquidity; changes in, or the discontinuation

  • f, CDW's share repurchase program or dividend payments; the continuing development, maintenance and operation of CDW's information technology systems; potential

breaches of data security; potential failures to comply with Public segment contracts or applicable laws and regulations; potential failures to provide high-quality services to CDW's customers; potential losses of any key personnel; potential interruptions of the flow of products from suppliers; potential adverse occurrences at one of CDW's primary facilities or customer data centers; CDW's dependence on commercial delivery services; CDW's exposure to accounts receivable and inventory risks; fluctuations in foreign currency; future acquisitions or alliances; fluctuations in CDW's operating results; current and future legal proceedings and audits; potential acceleration of CDW's deferred cancellation of debt income; and other risk factors or uncertainties identified from time to time in CDW's filings with the SEC. Although CDW believes that the expectations reflected in such forward- looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. Reference is made to a more complete discussion of forward- looking statements and applicable risks contained under the captions "Forward-Looking Statements" and "Risk Factors" in CDW's Annual Report on Form 10-K for the year ended December 31, 2016 and subsequent filings with the SEC. CDW undertakes no obligation to update or revise any of its forward-looking statements, whether as a result of new information, future events or otherwise unless required by law. Non-GAAP Financial Information EBITDA is defined as consolidated net income before interest expense, income tax expense, depreciation and amortization. Adjusted EBITDA, which is a measure defined in the Company’s credit agreements, means EBITDA adjusted for certain items which are described in the financial statement tables on investor.cdw.com (“Non-GAAP Reconciliations”). Adjusted EBITDA margin is defined as Adjusted EBITDA as a percentage of Net sales. Non-GAAP net income excludes, among other things, charges related to the amortization of acquisition-related intangible assets, equity-based compensation, acquisition and integration expenses, and gains and losses from the extinguishment of long-term debt. Consolidated net sales growth on a constant currency basis is defined as consolidated net sales growth excluding the impact of foreign currency translation on net sales compared to the prior period. EBITDA, Adjusted EBITDA, Non-GAAP net income, Non-GAAP net income per diluted share, Non-GAAP net income per diluted share, on a constant currency basis, organic net sales, consolidated and organic net sales growth on a constant currency basis are considered non-GAAP financial measures. Generally, a non-GAAP financial measure is a numerical measure of a company’s performance or financial position that either excludes or includes amounts that are not normally excluded or included in the most directly comparable measure calculated and presented in accordance with GAAP. Non-GAAP net income per diluted share on a constant currency basis is defined as Non-GAAP net income per diluted share excluding the impact of foreign currency translation on Non-GAAP net income per share compared to the prior period. Organic net sales growth is defined as net sales growth excluding the impact of acquisitions within the last twelve

  • months. Organic net sales growth on a constant currency basis is defined as organic net sales growth excluding the impact of foreign currency translation on organic sales

compared to the prior period. The Company believes these measures provide analysts, investors and management with helpful information regarding the underlying operating performance of the Company’s business, as they remove the impact of items that management believes are not reflective of underlying operating performance. The Company uses these measures to evaluate period-over-period performance as management believes they provide a more comparable measure of the underlying business. Additionally, Adjusted EBITDA is a measure in the credit agreement governing our Senior Secured Term Loan Facility (“Term Loan”) used to evaluate the Company’s ability to make certain investments, incur additional debt and make restricted payments, such as dividends and share repurchases, as well as whether the Company is required to make additional principal prepayments on the Term Loan beyond the quarterly amortization payments. Our medium term annual targets are provided on a non-GAAP basis 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 the Company's routine activities, such as acquisition and integration expenses. The financial statement tables available on investor.cdw.com (“Non-GAAP Reconciliations”) include a reconciliation of non-GAAP financial measures to the applicable most comparable GAAP financial measures. Non-GAAP measures used by the Company may differ from similar measures used by other companies, even when similar terms are used to identify such measures.

2

DI SCLAI MERS

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3

CDW OVERVI EW

  • Market-leading provider of integrated

technology solutions to business, government, education and healthcare customers for 30+ years

  • Based in Illinois, ~ 7,500 coworkers in

North America and ~ 1,000 in the UK; ~ 2/ 3 are customer-facing

  • Full range of hardware, software and

services technology solutions

  • Offers 100,000+ products and services

from 1,000+ brands to more than 250,000 customers in the US, UK and Canada

  • “Sweet spot” is customers with < 5,000

employees

  • Attractive business model with

demonstrated track record of profitable growth

Net Sales ($bn)

¹ Please see Adj. EBITDA reconciliation to net income (loss) on page 27

2 Please see ROWC calculation on page 29

GAAP Net Inc. & Adj. EBITDA¹ ($mm)

$7.2 $8.8 $9.6 $10.1 $10.8 $12.1 $13.0 $14.0

2009 2010 2011 2012 2013 2014 2015 2016

($29) $17 $119 $133 $245 $403 $424 $465 $602 $717 $767 $809 $907 $1,019 $1,117

2009 2010 2011 2012 2013 2014 2015 2016 GAAP Net Income (Loss) Adj EBITDA $

($373)

Strong ROWC: 55%2

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SLIDE 4

4

RECENT PERFORMANCE AGAI NST ANNUAL TARGETS

Average Daily Sales Growth1 %

Adjusted EBITDA3 Margin % Non-GAAP EPS Growth% U.S. IT growth + 200-300bps in constant currency High 7% to 8% Low double-digits in constant currency Q2 2017 Medium-Term Targets 2016-2018 9.0%2 7.9% 10.0%4

1 Consolidated constant currency growth = 9.8%. Please see reconciliation on page 32 2 There were 64 selling days for the three months ended June 30, 2017 and 2016. 3 Defined as Adj. EBITDA/Net Sales. Please see reconciliation on page 30 4 Please see Non-GAAP Net Income per diluted share, on a constant currency basis reconciliation on page 31. Consolidated

constant currency growth = 10.8%

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SLIDE 5

Indirect 60% Direct 40%

5

LARGE AND GROW I NG MARKET OPPORTUNI TY

Large Market Size and Attractive Growth Profile

Total US, UK and Canada IT Market2: ~$890B CDW Current Addressable Market1: ~$290B

Partners Increasingly Reliant on the Indirect Channel

2015-2019 CAGR IT Spending: 3.0%²

CDW $14.0B

1 IDC, Company 10-Ks, Wall Street research, VAR500 database, CDW internal estimates as of 11/2016 2 IDC Worldwide Black Book, 11/16/2016, includes Consumer and B2B for US, UK and Canada markets 3IDC Routes to Market, 11/1/2016

Increased ~300bps since 20073

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SLIDE 6

3.4% 4.2% 4.7% 8.3% 6.9% 9.0%

2001-2016 2005-2016 2009-2016

US IT Spending Growth CDW Net Sales Growth

1

6

SUSTAI NED MARKET SHARE GAI NS ACROSS BUSI NESS CYCLES

490 bps

2

1 IDC Worldwide Black Book, 11/16/16 2 2016 Organic Net Sales only, excluding CDW UK. Please see reconciliation on page 33 3 Estimated market share for top 5 publicly traded companies: CDW, Insight North America, PC Connection, PC Mall, and e-Plus as of 12/31/2016.

Top 5 Providers3 Represent ~10% of CDW’s US Addressable Market Majority of the Market is Fragmented Across Thousands of Value-Added Resellers

270 bps 430 bps

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SLIDE 7

CDW

Intimate Knowledge

  • f IT Environment

and Landscape

Vendor Partner Value

VALUE TO VENDOR PARTNERS:

More than 250,000 customers Large and established customer channels Strong distribution and implementation

capabilities

Customer relationships driving insight into

technology roadmaps

VALUE TO CUSTOMERS:

Broad selection of multi-branded IT

solutions

Value-added services Highly-skilled specialists and engineers Solutions across IT lifecycle

7

UNI QUELY POSI TI ONED TO DELI VER CUSTOMER AND PARTNER VALUE

CDW Sits Between Customers and Vendor Partners Creating Value for Both

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SLIDE 8

11% 5% 5% 10% 15% 14%

$5.9 $1.1 $1.9 $2.0 $1.7 $1.4

8

BALANCED PORTFOLI O OF CUSTOMER CHANNELS

Net Sales Growth % 2016 Net Sales ($14B) 10%

Corporate (>250 coworkers) Small Businesses (<250 coworkers) Government (Federal, State & Local) Education (K-12, Higher Ed) Healthcare Other (Canada, UK) 19% 14% 3% 7% 30% 29% 0% 5% 10% 11% 3% 63%

  • 22% -18%

11% 3% 0%

  • 4%

(11%) 16% 8%

'08-'09 Growth

(Other includes ATS & Canada)

'09-'11 CAGR

(Other includes ATS & Canada)

‘09-'15 CAGR

(Other includes ATS & Canada)

’15 – ’16 Growth

Other Includes Canada & CDW UK (Aug 2015-Dec 16)

Total Growth

Diverse Customer Channels and Geography Create Multiple Drivers of Growth and Diversification Against Macro and Exogenous Headwinds

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SLIDE 9

9

LEADI NG SALES CHANNEL FOR KEY VENDOR PARTNERS

Mission-Critical for Key Vendors

Emerging Vendor Partners Major Vendor Partners

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SLIDE 10

1 0

PROVEN TRACK RECORD OF EVOLVI NG W I TH I T TRENDS

Highly Integrated and Interconnected Technology Ecosystem

Printers Storage Networking Electronics Monitors Software Cables Servers Computers Accessories Office Services

Hardware and Software Products

Products Complexity / Productivity and Growth Benefits Early 2000s Current Integrated Solutions

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SLIDE 11

2006 2016

+30%

Specialists Field Sellers Account Managers Advanced Services Delivery Engineers

+93%

1 1

HI GHLY-SKI LLED SALES AND SERVI CES CAPABI LI TI ES

* North American operations

Specialists and Engineers Allow CDW to Deliver Increasingly Complex IT Solutions Total Coworkers Increased by 36%*

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HI GHLY SKI LLED TECHNI CAL ORGANI ZATI ON

SERVI CES

  • IT Advisory Service
  • IT Architecture

Services

  • IT Managed Services

CLOUD

  • Cloud Planning Services
  • World class portfolio
  • Migration, Integration and

Managed

SECURI TY

  • Architecture and

Design

  • Advisory Services
  • Managed Security

DI GI TAL W ORKSPACE

  • Network Solutions
  • Consult, Design and

Architect

  • Communications,

Mobility and Productivity SOFTW ARE

  • Software Lifecycle

Advisory Services

  • Design and

Optimization Services

  • Portfolio Management

DATA CENTER

  • Hybrid Consultancy
  • Converged and Hyper-

converged Infrastructure

  • Software Defined Data

Center

5,400+ 150+ 880+ certifications ITIL certifications technology engineers

1 2

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1 3

COMPREHENSI VE SUI TE OF CLOUD SOLUTI ONS

Public, Private and Hybrid >250 SaaS, IaaS and PaaS offerings 30+ Categories 70+ Partners

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CAPTURI NG SHARE I N GROW I NG SOLUTI ONS AREAS

1 IDC as of June 2016 CDW U.S. Addressable Market 2 CDW CAGR based on the 2014-2016 customer spend

1 4

Enabling Customers to Navigate Increasingly Complex IT Market

3% 7% 7% 7% 29% 3% 8% 15% 24% 23% 70% 14% Data Center Unified Communications Security Mobility Cloud Services

Projected 2013-2016 Market CAGR1 CDW Customer Spend Growth 2013-20162

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SLIDE 15

1 5

I NTERNATI ONAL PRESENCE TO BETTER SERVE CUSTOMERS

Located in 9 countries Regularly export to 100+ Supplement with fulfillment partners and export capabilities

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SLIDE 16

1 6

SUSTAI NABLE COMPETI TI VE ADVANTAGES

Scale and Scope Highly-Skilled Sales and Services Capabilities

Highly Engaged And Performance Driven Culture

National Footprint with International Capabilities Distribution

Deep and Experienced Management

Superior Value Differentiated Growth Strong ROWC

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SLIDE 17

1 Please see Non-GAAP Net Income reconciliation to net income (loss) on page 28 2 Defined in our credit agreement, on a consolidated basis, as the ratio of total debt at period-end excluding any unamortized discount and/or premium and unamortized

deferred financing costs, less cash and cash equivalents, to trailing twelve months (TTM) Adjusted EBITDA, a non-GAAP measure defined in our credit agreement. The Senior Secured Term Loan Facility calculates Adjusted EBITDA on a trailing twelve month basis.

3 Please see Adj. EBITDA reconciliation to net income (loss) on page 27 4 Defined as Adj. EBITDA/Net Sales. Please see reconciliation on page 30

1 7

$602 $717 $767 $809 $907 $1,019 $1,117 $1,073 $1,148

6.8% 7.5%

7.6% 7.5% 7.5% 7.8% 8.0% 7.8% 7.9%

2010 2011 2012 2013 2014 2015 2016 Q2'16 LTM Q2'17 LTM

$8.8 $9.6 $10.1 $10.8 $12.1 $13.0 $14.0 $13.7 $14.5 2010 2011 2012 2013 2014 2015 2016 Q2'16 LTM Q2'17 LTM

7.9x 6.4x 5.0x 4.5x 3.4x 3.0x 2.9x 2.7x 2.8x

Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2 '15 Q2 16 Q1 17 Q2 17 $199 $247 $314 $410 $504 $569 $535 $585 2011 2012 2013 2014 2015 2016 Q2'16 LTM Q2'17 LTM

NGNI

Net Sales ($bn)

  • Adj. EBITDA3 ($mm) and Margin4 (%)

GAAP and Non-GAAP Net Income1($mm) Net Leverage Ratio2

GAAP NI

STRONG FI NANCI AL PERFORMANCE

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SLIDE 18

84.2% 83.5% 83.5% 83.7% 84.1% 83.7% 83.4% 9.0% 9.1% 9.0% 8.9% 8.4% 8.5% 8.7% 6.8% 7.5% 7.6% 7.5% 7.5% 7.8% 8.0% 2010 2011 2012 2013 2014 2015 2016 COGS as a % of sales Adjusted SG&A + Adv % of Sales Adjusted EBITDA Margin

1 8

RESI LI ENT BUSI NESS MODEL

15.8% 16.5% 16.5% 16.3% 15.9% 16.3% 16.6% Net Sales Gross Margin %

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SLIDE 19

26.6% 32.8% 42.0% 47.2% 47.8% 51.5% 52.6% 52.1%

2009 2010 2011 2012 2013 2014 2015 2016 CDW UK Acquisition

Return on Working Capital (%)

1 9

STRONG RETURN ON W ORKI NG CAPI TAL

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SLIDE 20

$1.83 $2.37 $2.93 $3.43

$0 $50 $100 $150 $200 $250 $300 $- $0.50 $1.00 $1.50 $2.00 $2.50 $3.00 $3.50 $4.00

2013 2014 2015 2016 EPS Interest Expense Non-GAAP Earnings per Share (in $) Interest Expense (in $M)

2 0

AMPLI FYI NG OPERATI NG RESULTS

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SLIDE 21

Actions

2 1

CAPI TAL ALLOCATI ON PRI ORI TI ES

Increase Dividends Annually Maintain Net Leverage Ratio(2) Supplement Organic Growth with M&A Priorities Objectives Return Excess FCF after Dividends & M&A Through Share Repurchase 49% increase to $0.64/share Currently at 2.8x(3) CDW UK acquisition Repurchase program Target 30% payout

  • f FCF in 5 years (1)

~2.5 to 3.0 times Net Leverage Tuck-in, accretive deals Offset incentive plan dilution and supplement EPS growth

1 Target established November 2014 2 Defined in the Company's credit agreement, on a consolidated basis, as the ratio of total debt at period-end excluding any unamortized discount

and/or premium and unamortized deferred financing costs, less cash and cash equivalents, to trailing twelve months (TTM) Adjusted EBITDA, a non- GAAP measure defined in the Company's credit agreement.

3 As of June 30, 2017

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MEDIUM-TERM TARGET 2013 – 2016 2016 – 2018 Sales Growth % U.S. IT growth + 200-300 bps U.S. IT growth + 200-300 bps in constant currency Adjusted EBITDA Margin Target Range % Mid – 7% High 7% to 8% Non-GAAP EPS Growth % Mid-teens Low double-digits in constant currency

2 2

ANNUAL MEDI UM-TERM TARGETS

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SLIDE 23

Dividends Paid (in $Millions)

*Includes Q1 and Q2 2017

2 3

CAPI TAL RETURNS SI NCE I PO

$7.3 $33.6 $52.9 $78.7

2013 2014 2015 2016

$241.3 $367.5

2015 2016

Share Repurchases (in $Millions)

Returned approximately $1.2B since 2013*

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SLIDE 24

2 4

 ~ $290B addressable market opportunity with attractive growth potential  Clear leader with sustained market share gains in a highly fragmented market  Proven ability to evolve and capitalize on IT trends  Flexible, nimble performance-driven culture generating a strong financial track record  Attractive business model with sustainable competitive advantages  Multiple levers for growth and creation of shareholder value

I NVESTMENT HI GHLI GHTS

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Q&A

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APPENDI X

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SLIDE 27

2 7

ADJUSTED EBI TDA RECONCI LI ATI ON

(Unaudited) ($ in millions)

2009 2010 2011 2012 2013 2014 2015 (vii) 2016 (vii) LTM Q2 2017 Net income (loss) $ (373.4) $ (29.2) $ 17.1 $ 119.0 $ 132.8 $ 244.9 $ 403.1 $ 424.4 $ 427.7 Depreciation and amortization 218.2 209.4 204.9 210.2 208.2 207.9 227.4 254.5 256.5 Income tax expense (benefit) (87.8) (7.8) 11.2 67.1 62.7 142.8 243.9 248.0 202.4 Interest expense, net 431.7 391.9 324.2 307.4 250.1 197.3 159.5 146.5 147.1 EBITDA $ 188.7 $ 564.3 $ 557.4 $ 703.7 $ 653.8 $ 792.9 $ 1,033.9 $ 1,073.4 $ 1,033.7 Adjustments: Equity-based compensation 15.9 11.5 19.5 22.1 8.6 16.4 31.2 39.2 44.8 Net loss (gain) on extinguishments of long-term debt — (2.0) 118.9 17.2 64.0 90.7 24.3 2.1 59.5 (Income) loss from equity investments (i) — (0.1) (0.1) (0.3) (0.6) (2.2) 10.1 (1.1) 0.3 IPO and secondary-offering related expenses (ii) — — — — 75.0 1.4 0.8 — — Acquisition and integration expenses (iii) — — — — — — 10.2 7.3 5.9 Gain on remeasurement of equity investment (iv) — — — — — — (98.1) — — Goodwill impairment 241.8 — — — — — — — — Other adjustments (v) 19.0 28.1 21.6 23.9 7.7 7.8 6.1 (3.6) 3.7 Adjusted EBITDA $ 465.4 $ 601.8 $ 717.3 $ 766.6 $ 808.5 $ 907.0 $ 1,018.5 $ 1,117.3 $ 1,147.9 Net Sales $ 7,162.6 $ 8,801.2 $ 9,602.4 $ 10,128.2 $ 10,768.6 $ 12,074.5 $ 12,988.7 $ 13,981.9 $ 14,519.7 Adjusted EBITDA Margin (vi) 6.5% 6.8% 7.5% 7.6% 7.5% 7.5% 7.8% 8.0% 7.9%

(i)

Represents the Company's share of net (income) loss from the Company's equity investments. 2015 includes the Company's 35% share of CDW UK's (previously known as Kelway) net loss which includes the Company's 35% share of an expense related to certain equity awards granted by one of the sellers to CDW UK coworkers in July 2015 prior to the acquisition.

(ii)

2013 includes IPO related expenses of $74.3 million, consisting of (1) acceleration charge for certain equity awards and related employer payroll taxes ($40.7 million); (2) RDU Plan cash retention pool accrual ($7.5 million); (3) management services agreement termination fee ($24.4 million); and (4) other expenses ($1.7 million). 2013 also includes $0.7 million of secondary-offering related expenses. 2014 and 2015 include various secondary

  • fferings completed during that time.

(iii)

Comprised of expenses related to CDW UK.

(iv)

Represents the gain resulting from the remeasurement of the Company's previously held 35% equity investment to fair value upon the completion of the acquisition of CDW UK.

(v)

Other adjustments primarily include items such as sponsor fees, historical retention costs, expenses related to the consolidated of office space, settlement payments received from the Dynamic Random Access Memory class action lawsuits and certain consulting and debt related professional fees.

(vi)

Defined as Adjusted EBITDA divided by Net sales.

(vii) 2015 and 2016 reflects the impact of consolidating CDW UK's financial results for five months and twelve months, respectively.

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2 8

NON-GAAP NET I NCOME RECONCI LI ATI ON

(Unaudited) ($ in millions) 2012 2013 2014 2015(ix) 2016(ix) LTM Q2' 17 Net income (loss) $ 119.0 $ 132.8 $ 244.9 $ 403.1 $ 424.4 $ 427.7 Amortization of intangibles (i) 163.7 161.2 161.2 173.9 187.2 185.1 Equity-based compensation 22.1 8.6 16.4 31.2 39.2 44.8 Equity-based compensation related to equity investment (ii) — — — 20.0 — — Net loss on extinguishments of long-term debt 17.2 64.0 90.7 24.3 2.1 59.5 Interest expense adjustment related to extinguishments of long-term debt (iii) (3.3) (7.5) (1.1) — — — IPO and secondary-offering related expenses (iv) — 75.0 1.4 0.8 — — Acquisition and integration expenses (v) — — — 10.2 7.3 5.9 Gain on remeasurement of equity investment (vi) — — — (98.1) — — Other adjustments (vii) — (6.3) (0.6) 2.9 (5.4) 2.4 Aggregate adjustment for income taxes (viii) (71.6) (113.5) (103.0) (64.8) (85.8) (140.2) Non-GAAP net income $ 247.1 $ 314.3 $ 409.9 $ 503.5 $ 569.0 $ 585.2 (i) Includes amortization expense for acquisition-related intangible assets, primarily customer relationships, customer contracts and trade names. (ii) Represents the Company's 35% share of an expense related to certain equity awards granted by one of the sellers to CDW UK coworkers in July 2015 prior to the Company's acquisition. (iii) Reflects adjustments to interest expense resulting from debt extinguishments. Represents the difference between interest expense previously recognized under the effective interest method and actual interest paid. (iv) 2013 includes IPO related expenses of $74.3 million, consisting of (1) acceleration charge for certain equity awards and related employer payroll taxes ($40.7 million); (2) RDU Plan cash retention pool accrual ($7.5 million); (3) management services agreement termination fee ($24.4 million); and (4) other expenses ($1.7 million). 2013 also includes $0.7 million of secondary-offering related

  • expenses. 2014 and 2015 includes various secondary offerings completed during that time.

(v) Comprised of expenses related to CDW UK. (vi) Represents the gain resulting from the remeasurement of the Company's previously held 35% equity investment to fair value upon the completion of the acquisition of CDW UK. (vii) Other adjustments primarily include items such as expenses related to the consolidation of office space, settlement payments received from the Dynamic Random Access Memory class action lawsuits and the favorable resolution of a local sales tax matter. (viii) Aggregate adjustment for income taxes consists of the following: 2012 2013 2014 2015 2016 LTM Q2' 17 Total Non-GAAP adjustments $ 199.7 $ 295.0 $ 268.0 $ 165.2 $ 230.4 $ 297.7 Weighted-average statutory effective rate 39.0% 39.0% 39.0% 38.0% 36.0% 36.0% Income tax (77.9) (115.1) (104.5) (62.8) (82.9) (107.2) Deferred tax adjustment due to law changes — — — (4.0) (1.5) (1.5) Excess tax benefits from equity-based compensation — — — — (1.8) (32.0) Withholding tax expense on the unremitted earnings of our Canadian subsidiary — — — 3.3 — — Non-deductible adjustments and other 6.3 1.6 1.5 (1.3) 0.4 0.5 Total aggregate adjustment for income taxes $ (71.6) $ (113.5) $ (103.0) $ (64.8) $ (85.8) $ (140.2) (ix) 2015 and 2016 reflects the impact of consolidating CDW UK's financial results for five months and twelve months, respectively.

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SLIDE 29

2 9

RETURN ON W ORKI NG CAPI TAL ( ROW C) CALCULATI ON

(Unaudited) ($ in millions)

2009 2010 2011 2012 2013 2014 2015 2016 LTM Q2' 2017 Numerator Income from operations $ (31.9) $ 352.7 $ 470.7 $ 510.6 $ 508.6 $ 673.0 $ 742.0 $ 819.2 $ 835.6 Amortization of intangibles (i) 168.9 166.8 165.7 163.7 161.2 161.2 173.9 187.2 185.1 Debt-related refinancing costs (ii) — 5.6 3.8 — — — — — — Non-cash equity-based compensation 15.9 11.5 19.5 22.1 8.6 16.4 31.2 39.2 44.8 Goodwill impairment 241.8 — — — — — — — — Other one-time items as incurred (iii) 1.4 — — — 68.7 0.8 12.0 4.5 6.4 Adjusted NOPBT 396.1 536.6 659.7 696.4 747.1 851.4 959.1 1,050.1 1,071.9 Taxes (iv) (154.5) (209.3) (257.3) (271.6) (291.4) (332.0) (374.1) (388.6) (396.6) Adjusted NOPAT $ 241.6 $ 327.3 $ 402.4 $ 424.8 $ 455.7 $ 519.4 $ 585.1 $ 661.6 $ 675.2 Denominator Trailing 5-point avg. AR (incl. misc. rec.) $ 1,008.9 $ 1,210.7 $ 1,352.5 $ 1,400.1 $ 1,502.0 $ 1,629.6 $ 1,909.4 $ 2,248.8 $ 2,268.1 Trailing 5-point avg. Inventory 252.8 286.9 317.4 330.3 357.5 396.2 387.1 448.9 459.5 Trailing 5-point avg. AP (354.9) (500.4) (712.0) (831.2) (906.7) (1,017.8) (1,184.4) (1,470.8) (1,504.7) Working Capital $ 906.8 $ 997.2 $ 957.9 $ 899.2 $ 952.8 $ 1,008.0 $ 1,112.1 $ 1,226.9 $ 1,222.9 Return on Working Capital (ROWC) 26.6% 32.8% 42.0% 47.2% 47.8% 51.5% 52.6% 53.9% 55.2% (i) Includes amortization expense for acquisition-related intangible assets, primarily customer relationships, customer contracts and trade names. (ii) Represents fees and costs expensed related to the December 2010 and March 2011 amendments to the Company's prior term loan facility. (iii) Includes IPO and secondary-offering related expenses, litigation items, acquisition and integration expenses and expenses related to the consolidation of office locations north of Chicago. (iv) Based on a normalized statutory tax rate of 37% for 2017 and 2016. Prior to 2016, the normalized statutory tax rate was 39.0%.

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SLIDE 30

3 0

ADJUSTED EBI TDA MARGI N RECONCI LI ATI ON

Unaudited ($mm)

2009 2010 2011 2012 2013 2014 2015 2016 LTM Q2 2017 Net Sales $7,162.6 $8,801.2 $9,602.4 $10,128.2 $10,768.2 $12,074.5 $12,988.7 $13,981.9 $14,519.7 Adjusted EBITDA $465.4 $601.8 $717.3 $766.6 $808.5 $907 $1,018.5 $1,117.3 $1,147.9 Adjusted EBITDA Margin 6.5% 6.8% 7.5% 7.6% 7.5% 7.5% 7.8% 8.0% 7.9%

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SLIDE 31

3 1

NON-GAAP NET I NCOME PER DI LUTED SHARE, ON A CONSTANT CURRENCY BASI S

(Unaudited) ($ and shares in millions, except per share amounts)

Three Months Ended June 30, Six Months Ended June 30, 2017 2016 % Change (1) 2017 2016 % Change (1) Net income $ 141.0 $ 117.5 $ 198.7 $ 195.3 Amortization of intangibles 46.3 47.1 92.4 94.6 Equity-based compensation 11.5 9.7 23.6 18.1 Net Loss on extinguishments of long-term debt — — 57.4 — Integration expenses 2.0 2.2 2.5 3.8 Other adjustments 3.7 0.3 4.9 (2.8) Aggregate adjustment for income taxes (41.3) (21.2) (95.0) (40.7) Non-GAAP Net Income(2)* $ 163.2 $ 155.6 4.9% $ 284.5 $ 268.3 6.0% Foreign currency translation(3) — (1.2) — (1.9) Non-GAAP Net Income, on a constant currency basis* $ 163.2 $ 154.4 5.7% $ 284.5 $ 266.4 6.8% Shares used in computing Non-GAAP net income per diluted share and Non-GAAP net income per diluted share, on a constant currency basis 159.0 166.7 160.9 167.8 Non-GAAP net income per diluted share* $ 1.03 $ 0.93 10.0% $ 1.77 $ 1.60 10.6% Non-GAAP net income per diluted share, on a constant currency basis* $ 1.03 $ 0.93 10.0% $ 1.77 $ 1.59 11.4% (1) There were 64 selling days for the three months ended June 30, 2017 and 2016. There were 128 selling days for the six months ended June 30, 2017 and 2016. (2) See Slide 10 and 13 in the Webcast Slides for details on the adjustments to Non-GAAP Net Income. (3) Represents the effect of translating the prior year results of CDW Canada and CDW UK at the average exchange rates applicable in the current year. *

Non-GAAP Net income, Non-GAAP Net Income per diluted share, Non-GAAP Net income on a constant currency basis and Non-GAAP Net Income per diluted share on a constant currency basis are non-GAAP financial measures. For a discussion of non-GAAP financial measures, see Exhibit 99.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 3, 2017.

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SLIDE 32

3 2

CONSOLI DATED NET SALES GROW TH ON A CONSTANT CURRENCY BASI S

(Unaudited) ($ in millions)

Three Months Ended June 30, Six Months Ended June 30, 2017 2016 % Change (1) 2017 2016 % Change (1)

Consolidated Net sales, as reported

$ 3,994.4 $ 3,664.6 9.0% $ 7,319.1 $ 6,781.3 7.9%

Foreign currency translation (ii)

— (27.6) — (54.4)

Consolidated Net sales, on a constant currency basis*

$ 3,994.4 $ 3,637.0 9.8% $ 7,319.1 $ 6,726.9 8.8%

(i) There were 64 and 128 selling days during the three and six months ended June 30, 2017 and 2016, respectively. (ii) Represents the effect of translating the prior year results of CDW Canada and CDW UK at the average exchange rates applicable in the current

year. * Consolidated Net sales growth on a constant currency basis is a non-GAAP financial measure. For a discussion of non-GAAP financial measures, see Exhibit 99.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 3, 2017.

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SLIDE 33

(Unaudited) ($ in millions) Year Ended December 31, 2016 2015 % Change Average Daily % Change (1)

Consolidated Net sales, as reported

$ 13,981.9 $ 12,988.7 7.6% 7.6%

Impact of acquisition(2)

(503.9) —

Consolidated Organic Net sales

13,478.0 12,988.7

Foreign currency translation(3)

— (76.3)

Consolidated Organic Net sales, on a constant currency basis*

$ 13,478.0 $ 12,912.4 4.4% 4.4% (1) There were 254 selling days for both years ended December 31, 2016 and 2015, respectively. (2) Excludes CDW UK's year-to-date results through July 2016 for the year ended December 31, 2016 as the acquisition was completed on August 1, 2015. (3) Represents the effect of translating the prior year results of CDW Canada and CDW UK at the average exchange rates applicable in the current year. Includes the impact of consolidating five months of CDW UK's financial results for the twelve months ended December 31, 2015. * Organic net sales growth and organic net sales growth on a constant currency basis are non-GAAP financial measures. For a discussion

  • f non-GAAP financial measures, see Exhibit 99.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange

Commission on February 7, 2017.

3 3

2 0 1 6 CONSOLI DATED ORGANI C NET SALES GROW TH ON A CONSTANT CURRENCY BASI S

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SLIDE 34

3 4

MATURI TY PROFI LE

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SLIDE 35

For a copy of this presentation, please access CDW’s investor relations website at: http:/ / investor.cdw .com /