1. INVESTOR PRESENTATION YEAR-END 2011 CBIZ, Inc.

2. Safe Harbor Provisions 2 Forward-looking statements in this presentation are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those projected. Such risks and uncertainties include, but are not limited to, CBIZ’s dependence on the current trend of outsourcing business services; CBIZ’s dependence on the services of its CEO and other key employees; competitive pricing pressures; general business and economic conditions; and changes in governmental regulation and tax laws affecting its operations. A more detailed description of such risks and uncertainties may be found in the Company’s filings with the Securities and Exchange Commission. All forward-looking statements made in this presentation are made only as of the date of its presentation. We do not undertake any obligation to publicly update or correct any forward-looking statements to reflect events or circumstances that subsequently occur or of which we hereafter become aware.

3. Company Profile CBIZ is a leading provider of professional services to clients throughout the U.S. and helps clients succeed by enabling them to better manage their finances and employees. 3

4. TTM Revenue and FTE by segment as of 12/31/11 4 2011 FTE - 5,041 2011 Revenue - $733.8 (from continuing operations)

5. Company Profile 5  National scale and resources with local presence  5,000+ associates  18 major markets  130 offices in 37 states (includes 69 MMP offices)  90,000+ clients (includes 50,000+ business clients)  Target clients for core services  mid-sized companies in each local market  100-2,000 employees  $5-$200 million in revenue  CBIZ is one of the nation’s largest...  accounting providers as ranked by Accounting Today, April, 2011  benefit specialists as ranked by Business Insurance, July, 2011  brokers of business insurance as ranked by Business Insurance, July, 2011  valuation companies  medical practice management companies

6. Core Services & Attributes 6  Key Attributes  Small / mid-market clients rely on outside experts/services  Recurring business services  High retention rates  Cross-serving opportunities  Highly fragmented competition  Core Services  Tax compliance / advisory  Accounting / financial consulting  Group health insurance  Property & casualty insurance  Payroll services  Flex benefit services  Human capital advisory  Retirement plan consulting Core services are provided by professionals in local and regional markets supported by national resources & experts

7. Financial Services 7  Accounting services include revenue of $109 million derived through administrative service agreements with CPA firms to provide audit & attest services during 2011  2,111 associates including 297 Managing Directors  10 dedicated business development professionals  26 business units in 40 offices

8. Employee Services 8  Employee benefits (group health) & P&C services are delivered through local market offices  941 employees  150 sales associates / producers  16 business units in 37 offices (1)The Company divested its individual wealth management business in the first quarter 2011. This business provided $6.6 million of revenue in 2010.

9. Medical Management Professionals (MMP) 9  Medical coding, billing, accounts receivable management and full practice management service provider for hospital-based physician practices  1,500 employees and five dedicated sales professionals  325 clients and 4,100 physicians  69 offices in 23 states

10. History 10 Growth 2003-2011  Revenue growth of 31% since 2006  EPS growth of 81% since 2006  Continued strong & consistent cash flow  EBITDA growth of 41% since 2006  Cash EPS growth of 96% since 2006  Share repurchase program reduced outstanding share count by 50%  32 acquisitions  NYSE listing in 2006  New management team  Built infrastructure  Divested non-core operations  Began integration of business  Resolved litigation  Generated positive cash flow  Reduced debt  Implemented long-term strategy Stabilization 2000-02 Formation 1996-99  Founded 1996  145 acquisitions

11. CBIZ Recurring Revenue 11  Financial consulting  Valuation  Special risk insurance  Mergers & acquisitions  Compensation studies  Recruiting Project-based work 20%  Annual tax compliance  Group health benefits  Property & casualty insurance  Payroll services  Retirement plan advisory  Medical practice management  Long-term technology support services for Edward Jones  Human resource outsourcing Recurring Revenue 80%

12. A Sample of National Clients 12 Internal Audit, SOX 404 Compliance Largest client: 2.7% of revenue CBIZ provides complete outsourced IT staffing services for Edward Jones Valuation services

13. Long-Term Strategic Growth Goals 13 REVENUE  Grow revenue by 10% annually  Manage three components to revenue growth  Same-unit Growth Organic Growth: 3-5% annual target Cross-Serving Growth: 3-5% annual target  Acquisitions: 3-5% annual target EPS  Grow EPS by 20% annually  Achieve operating leverage  Manage compensation costs and productivity  Leverage G&A infrastructure costs  Leverage other ‘fixed’ costs Cash Flow  Deploy cash flow / capital resources to optimize shareholder return  Targeted acquisitions – remain disciplined  Further debt reduction  Share repurchases – opportunistic in order to maintain current 50 million total shares outstanding  Maintain efficient capital structure

14. Strategic Growth Goals 14 Long-term Goals 5 yr CAGR 2004 - 2009 3 yr CAGR 2008 - 20112012e Long-term Goals Revenue 10%9.2%2.4%3%-4%10% EPS 20%23.6%4.4% (1) 6%-8%20% (1)Excludes a restructuring charge of ($0.02) related to the integration of Goldstein Lewin in Boca Raton, Florida and ($0.02) charge for early retirement of convertible notes.

15. Cross-Serving Growth 15 Key Drivers: trust, co-location, training, recognition / reward

16. Acquisition Strategy 16  Acquisitions must be immediately accretive to shareholders  Targeted opportunities - Focus on core services  Target 3-5 transactions per year  Full integration into CBIZ infrastructure upon closing  Typical payment structure optimizes return and reduces risk  consideration is typically in a range of 5-7x EBITDA  approximately 50% consideration paid up front  balance paid on a 2-3 year earn-out contingent upon achieving targets  approximately 90% cash / 10% stock CBIZ has completed 32 acquisitions since Q4 2002 adding approximately $254 million to annualized revenue

17. Financial Highlights 17  Revenue growth of 31% from 2006 – 2011  EPS growth of 81% from 2006 – 2011  Operating cash flow exceeds $50 million per year  2011 EBITDA up 41% since 2006 to $81.7 million  2011 Cash EPS up 96% since 2006 to $1.10  Invested $310 million in strategic and accretive acquisitions since 2002  Invested $362 million to repurchase 60.4 million shares of common stock since 2002

18. Revenue Trend (Restated to reflect the impact of discontinued operations) 18 Same-unit revenue trend (in millions) 2005 = 6.5% 2006 = 6.1% 2007 = 8.2% 2008 = 5.7% 2009 = (5.3%) 2010 = (3.6%) 2011 = (1.3%) (1)The Company divested its individual wealth management business in the first quarter 2011. This business provided $6.6 million of revenue in 2010. (2)Represents the midpoint of the Company’s guidance range of 3% - 4% over $733.8 reported for 2011

19. (1)Excludes non-recurring gain of $0.07 per share from the sale of an investment (2)Excludes a restructuring charge of ($0.02) related to the integration of Goldstein Lewin in Boca Raton, Florida and ($0.02) charge for early retirement of convertible notes (3)Represents the Company’s guidance of 6% -8% over the $0.58 reported for 2011 Earnings per Share (Restated to reflect the impact of discontinued operations) 19 CAGR 12.6%

20. EBITDA (Restated to reflect the impact of discontinued operations) 20 (1)Excludes non-recurring gain from the sale of a long-term investment of $7.3 million (2)Excludes a restructuring charge related to the integration of Goldstein Lewin in Boca Raton, Florida (3)Represents Company guidance $74.7 $73.8

21. Cash Earnings 2011 (in thousands) Per share 2010 (in thousands) Per share Net income from continuing operations$28,584$0.58$28,155$0.48 Depreciation6,5780.137,3000.13 Amortization13,7670.2813,0320.22 Non-cash interest on Convertible Notes3,2010.064,2100.08 Stock based compensation5,9540.125,3060.09 Loss on retirement of convertible notes--1,9960.03 Adjustment to contingent earnouts(3,467)(0.07)(1,449)(0.02) Non-cash restructuring charge - - 1,2310.02 Total Non-cash items$26,033$0.52$31,626$0.55 Cash earnings – continuing operations$54,617$1.10$59,781$1.03 Diluted weighted average shares49,59958,193 21

22. Historical Cash Earnings Per Share 22

23. Historical Cash Flow & Debt Summary 23 200920102011 Operating cash flow from continuing operations $ 48,762$ 55,968$58,862 Capital spending (4,039)(2,682)(4,259) Net operating cash flow44,72353,28654,603 Non-operating sources (uses): Share repurchases(13,347)(86,209)(9,513) Acquisition & earn out payments(20,185)(52,373)(29,339) Proceeds from divestitures & discontinued operations 8958,0601,036 Net non-operating sources (uses)(32,637)(130,522)(37,816) Total Debt (1) $ 200,000$ 274,600$264,300 Total Leverage (2) 2.3x3.2x3.1x DSO677271 (1)Net of short-term cash investments (2)Adjusted to include pro forma EBITDA from acquisitions

24. Operating Leverage Opportunities 24 Business segments/services (1) 20072008200920102011Target Financial Services (accounting and tax services)16.5%17.3%14.7%15.8%14.9%16-18%+ Employee Services (retail brokerage only)25.2%26.6%28.7%26.6%24.3%28-30%+ Medical Management Professionals12.7%13.2% 11.3%11.7%13-15%+ Corporate G&A expense (% of revenue) 4.8%4.2%4.1%4.0%4.3% Gross Margin Expand margins in operating units by managing compensation costs and leveraging other expenses (1)Represents approximately 79% of total Company revenue Goal is to improve total CBIZ pre-tax income margin by 25-50 bps or more per year

25. Summary of Recent Financing Activities 25  DeGroote share purchase – September, 2010  7.7 million shares purchased at $6.25$48.1 million  Three-year option to purchase 7.7 million shares $7.25$ 5.0 million $53.1 million  Issued new $130 million Convert Note due 2015 – September, 2010  Subordinated to bank senior facility  4.875% cash coupon  Use of proceeds: $60.0 million: retired 3.125% Note $41.0 million: reduced bank debt $25.1 million: bought 4.6 million shares at $5.49  Net share settlement feature  Principal paid in cash  Share price > $7.41 is paid in shares at higher prices  $ 275 million unsecured credit facility (expires June, 2015)  April, 2011 amendment lowers borrowing costs by 100 bps  $145 million outstanding balance at 12/31/11

26. Shareholder Composition at 12/31/11 26 Shares Outstanding (GAAP) 12/0212/1012/112012e Diluted97.0 million58.2 million49.6 million50.0 million Holder NamePosition$ Mkt Val%O/S Holdings Style TurnoverInvestor Type Manager Style 1Michael G. DeGroote - Westbury7,716,669*51,624,51615.47Individual 2Fidelity Management & Research Co.6,263,08741,900,05212.55GARPLowInvestment AdviserGeneralist 3Sarbit Asset Management, Inc.3,453,07023,101,0386.92Deep ValueMediumInvestment AdviserValue 4Lombardia Capital Partners LLC2,720,74618,201,7915.45Deep ValueLowInvestment AdviserValue 5P2 Capital Partners LLC2,418,26516,178,1934.85GrowthMediumHedge Fund CompanyHedge Fund 6Cardinal Capital Management LLC2,335,62415,625,3254.68ValueLowInvestment AdviserValue 7BlackRock Fund Advisors2,267,25215,167,9164.54IndexVery LowMutual Fund ManagerIndex 8The Vanguard Group, Inc.2,169,43014,513,4874.35IndexVery LowMutual Fund ManagerIndex 9Investment Counselors of Maryland2,025,45013,550,2614.06ValueVery LowInvestment AdviserValue 10Dimensional Fund Advisors, Inc.1,954,85713,077,9933.92ValueVery LowInvestment AdviserValue CBIZ Directors & Officers 2,473,596 4.99 Total35,798,046 71.60 (1)CBIZ has a three-year option to purchase these shares at $7.25 that expires September, 2013

27. Financial Goals 27  2012 Goals  Revenue growth of 3% - 4%  EPS growth of 6% - 8% above $0.58 reported for 2011  Continued strong cash flow - EBITDA guidance of approximately $85 million  Long-term Goals – beyond 2012

28. Investment Highlights 28  Operational  Established national platform with investment in infrastructure and organization already established  Underserved/fragmented market  Long-standing large client base  Broad geographic/industry/client exposure mitigates risk  High client retention rates  80% recurring revenue  Strong and stable management team  Financial  Strong balance sheet  Strong and consistent cash flow mitigates risk and provides flexibility  Low capital expenditure requirements  Operating leverage potential for improving margins  Proven ability to grow earnings at a faster rate than revenue growth

29. CBIZ vs. Market since 2003 29 CBIZ, Russell 2000, Dow Jones & S&P 500