Management's Discussion and Analysis of Financial Condition and Results of Operations reviews the operating results of Paychex, Inc. and its wholly owned subsidiaries ("Paychex," "we," "our," or "us") for each of the three fiscal years ended May 31, 2012 ("fiscal 2012"), May 31, 2011 ("fiscal 2011"), and May 31, 2010 ("fiscal 2010"), and our financial condition as of May 31, 2012. This review should be read in conjunction with the accompanying consolidated financial statements and the related notes to consolidated financial statements contained in Item 8 of this Annual Report on Form 10-K ("Form 10-K") and the "Risk Factors" discussed in Item 1A of this Form 10-K. Forward-looking statements in this review are qualified by the cautionary statement under the heading "Cautionary Note Regarding Forward-Looking Statements Pursuant to the United States Private Securities Litigation Reform Act of 1995" contained at the beginning of Part I of this Form 10-K.

Overview

We are a leading provider of payroll, human resource, and benefits outsourcing solutions for small- to medium-sized businesses. Our Payroll and Human Resource Services offer a portfolio of services and products that allow our clients to meet their diverse payroll and human resource needs. Our payroll services are the foundation of our service portfolio. They are provided through either our core payroll or Major Market Services ("MMS"), which is utilized by clients that have more sophisticated payroll and benefits needs, and include:

• payroll processing;

• payroll tax administration services;

• employee payment services; and

• regulatory compliance services (new-hire reporting and garnishment processing).

In addition to the above, our software-as-a-service ("SaaS") solution through our MMS platform provides human resource management, employee benefits management, time and attendance systems, online expense reporting, and applicant tracking.

Our Human Resource Services primarily include:

• Paychex HR Solutions, under which we offer our administrative services organization ("ASO") and our professional employer organization ("PEO"). We also offer Paychex HR Essentials, an ASO product that provides support to our clients over the phone or online to help manage employee-related topics;

• retirement services administration;

• insurance services;

• eServices; and

• other human resource services and products.

Our business strategy is focused on achieving strong long-term financial performance by providing high-quality, timely, accurate, and affordable services; growing our client base; increasing utilization of our ancillary services; leveraging our technology and operating infrastructure; and expanding our service offerings. We continue to focus on driving growth in clients, revenue, and profits. We are managing our personnel costs and expenses while continuing to invest in our business, particularly in areas related to innovation and supporting technology. We believe these investments are critical to our success. Looking to the future, we continue to focus on investing in our products, people, and service capabilities, positioning ourselves to capitalize on opportunities for long-term growth.

Our financial results for fiscal 2012 reflected sustained growth in our business. Our key business indicators of checks per payroll and revenue per check continued to show improvement. Checks per payroll grew 2.0% for fiscal 2012. This growth is slightly less than the growth of 2.7% for fiscal 2011, as expected. Our revenue growth has been moderate, as new business formation remains challenged.

Our financial results continue to be adversely impacted by the interest rate environment. The equity markets hit a low in March 2009, with interest rates available on high quality financial instruments remaining low since that time. The Federal Funds rate has been at a range of zero to 0.25% since December 2008. Our combined funds held for clients and corporate investment portfolios earned an average rate of return of 1.1% for fiscal 2012, compared to 1.3% for fiscal 2011 and 1.5% for fiscal 2010.

Highlights of our financial results for fiscal 2012 compared to fiscal 2011 are as follows:

• Payroll service revenue increased 5% to $1.5 billion.

• Human Resource Services revenue increased 13% to $676.2 million.

• Interest on funds held for clients decreased 9% to $43.6 million.

• Total revenue increased 7% to $2.2 billion.

• Operating income increased 9% to $853.9 million, and operating income, net of certain items, increased 10% to $810.3 million. Refer to the "Non-GAAP Financial Measure" discussion on the following page for further information on operating income, net of certain items.

• Net income and diluted earnings per share each increased 6% to $548.0 million and $1.51 per share, respectively.

• Dividends of $460.5 million were paid to stockholders, representing 84% of net income.

Our results for fiscal 2012 benefited from the inclusion of SurePayroll, Inc. ("SurePayroll"), a provider of payroll processing for small businesses, acquired on February 8, 2011, and ePlan Services, Inc. ("ePlan"), a provider of recordkeeping and administrative solutions to the defined contribution marketplace, acquired on May 3, 2011. These acquisitions in fiscal 2011 and an immaterial business acquisition in fiscal 2012 contributed approximately 2% in total revenue growth for fiscal 2012.

Non-GAAP Financial Measure

In addition to reporting operating income, a United States ("U.S.") generally accepted accounting principle ("GAAP") measure, we present operating income, net of certain items, which is a non-GAAP measure. We believe operating income, net of certain items, is an appropriate additional measure, as it is an indicator of our core business operations performance period over period. It is also the basis of the measure used internally for establishing the following year's targets and measuring management's performance in connection with certain performance-based compensation payments and awards. Operating income, net of certain items, excludes interest on funds held for clients and the expense charge in fiscal 2010 to increase the litigation reserve. Interest on funds held for clients is an adjustment to operating income due to the volatility of interest rates, which are not within the control of management. The expense charge to increase the litigation reserve is also an adjustment to operating income due to its unusual and infrequent nature. It is outside the normal course of our operations and obscures the comparability of performance period over period. Operating income, net of certain items, is not calculated through the application of GAAP and is not the required form of disclosure by the Securities and Exchange Commission. As such, it should not be considered as a substitute for the GAAP measure of operating income and, therefore, should not be used in isolation, but in conjunction with the GAAP measure. The use of any non-GAAP measure may produce results that vary from the GAAP measure and may not be comparable to a similarly defined non-GAAP measure used by other companies.

Business Outlook

Our client base totaled approximately 567,000 clients as of May 31, 2012, compared to approximately 564,000 clients as of May 31, 2011, and approximately 536,000 clients as of May 31, 2010. Our client base increased 0.5% for fiscal 2012, compared to an increase of 5.2% for fiscal 2011 and a decline of 3.2% for fiscal 2010. Our organic client base growth was essentially flat for fiscal 2012 and declined 0.9% for fiscal 2011.

For fiscal 2012, payroll services client retention was approximately 80% of our beginning client base, a return to historical levels. This is a slight increase over fiscal 2011. Through our focus on providing high-quality service to our customers to maximize client retention, we received the highest client satisfaction results in our history.

Our ancillary services provide services to employers and employees beyond payroll, but effectively leverage payroll processing data and, therefore, are beneficial to our operating margin. The following statistics demonstrate the growth in our Human Resource Services ancillary service offerings:

                                              As of                Organic growth for fiscal year (1)
                                             May 31,
                                              2012             2012                2011               2010
Paychex HR Solutions client employees
served(2)                                     615,000                8 %                12 %              11 %
Paychex HR Solutions clients(2)                23,000                8 %                 8 %               9 %
Insurance services clients(3)                 107,000                6 %                 8 %               7 %
Health and benefits services applicants       121,000               23 %                23 %              38 %
Retirement services clients                    59,000                3 %                 5 %               3 %

(1) Growth rates exclude impact of acquisition of ePlan.

(2) Includes Paychex HR Essentials as of May 31, 2012 and 2011.

(3) Includes workers' compensation insurance services clients and health and benefits services clients.

Continued investment in our business is critical to our success. We continued to expand our product portfolio, through internal development and acquisitions, to add value for our clients. In the second half of fiscal 2011, we acquired SurePayroll and ePlan. These acquisitions have created excellent opportunities in their markets, and allow Paychex to offer a full range of payroll and 401(k) outsourcing alternatives. During fiscal 2012, we continued to integrate these acquired companies. In December 2011, we purchased Icon Time Systems, Inc., a provider of time and attendance solutions for small and medium-sized businesses, with whom we previously had a successful business relationship through one of our time and attendance offerings. Additionally,

we launched new ancillary products in fiscal 2012. Our Business Insurance Payment Service relieves business owners of the administrative burden of paying their insurance premiums. Paychex Advisory Select 401(k) is a new offering specifically designed for fee-based financial advisors.

We have focused on launching enhanced technology to support our existing SaaS products. Recent launches include a single sign-on and landing page; Paychex Online Mobile iPadฎ and Android™ tablet applications; and, most recently, a smartphone application. These mobile applications allow our clients instant access and increased productivity.

We continued to invest in our Paychex Next Generation platform and its suite of innovative products, as we believe this is a key building block to our future success. This new platform allows us to leverage efficiencies in our processes and to continue to provide excellent customer service to our clients. Our enhanced platform has led to improved productivity within our operations, contributing to the increase in our operating income, net of certain items, as a percentage of service revenue to 37.1% for fiscal 2012, compared to 36.3% for fiscal 2011.

We continued the expansion of our insurance services nationwide, simplifying the process required to obtain coverage through our network of national and regional insurers. We now service approximately 107,000 clients through our subsidiary, Paychex Insurance Agency, Inc. We believe insurance services is an area that continues to offer significant opportunities for future growth.

We have strengthened our position as an expert in our industry by serving as a source of education and information to clients and other interested parties. We provide free webinars, white papers, and other information on our website to aid existing and prospective clients with the impact of regulatory changes. In an effort to help entrepreneurs and small-business owners achieve success, we launched a new website, BuildMyBiz.com, that provides tools and resources for starting, growing, and managing a business. In addition, the Paychex Insurance Agency, Inc. website, www.paychexinsurance.com, helps small business owners navigate the area of insurance coverage.

Financial position and liquidity

The supply of high credit quality securities has been limited with the continued volatility in the global financial markets, thereby limiting our investment choices. Despite this macroeconomic environment, our financial position as of May 31, 2012 remained strong with cash and total corporate investments of $790.0 million and no debt.

Our investment strategy focuses on protecting principal and optimizing liquidity. Yields on high quality financial instruments remain low, negatively impacting our income earned on funds held for clients and corporate investments. We invest predominately in municipal bonds - general obligation bonds; pre-refunded bonds, which are secured by a U.S. government escrow; and essential services revenue bonds. During fiscal 2012, our primary short-term investment vehicles were high quality variable rate demand notes ("VRDNs") and Federal Deposit Insurance Corporation ("FDIC") insured deposit accounts.

A substantial portion of our portfolios is invested in high credit quality securities with AAA and AA ratings and A-1/P-1 ratings on short-term securities. We limit the amounts that can be invested in any single issuer and invest in short- to intermediate-term instruments whose fair value is less sensitive to interest rate changes. We believe that our investments as of May 31, 2012 were not other-than-temporarily impaired, nor has any event occurred subsequent to that date that would indicate any other-than-temporary impairment.

Our primary source of cash is our ongoing operations. Cash flow from operations was $706.6 million for fiscal 2012. Historically, we have funded our operations, capital purchases, business acquisitions, and dividend payments from our operating activities. Our positive cash flows in fiscal 2012 allowed us to support our business growth and to pay substantial dividends to our stockholders. During fiscal 2012, dividends paid to stockholders were 84% of net income. It is anticipated that cash and total corporate investments as of May 31, 2012, along with projected operating cash flows, will support our normal business operations, capital purchases, and dividend payments for the foreseeable future.

For further analysis of our results of operations for fiscal years 2012, 2011, and 2010, and our financial position as of May 31, 2012, refer to the tables and analysis in the "Results of Operations" and "Liquidity and Capital Resources" sections of this Item 7 and the discussion in the "Critical Accounting Policies" section of this Item 7.

Outlook

Our outlook for the fiscal year ending May 31, 2013 ("fiscal 2013") is based upon current economic and interest rate conditions continuing with no significant changes. Our expected fiscal 2013 payroll revenue growth rate is based upon anticipated client base growth, offset by an expected lower rate of growth in checks per payroll, and modest increases in revenue per check. Human Resource Services revenue growth is expected to remain in line with our historical organic experience. Prior acquisitions are expected to have minimal impact to projected revenue growth rates for fiscal 2013.

Our fiscal 2013 guidance is as follows:

                                                   Low            High
              Payroll service revenue                 3 %     -       4 %
              Human Resource Services revenue         9 %     -      11 %
              Total service revenue                   5 %     -       6 %
              Interest on funds held for clients     (8 %)    -      (6 %)
              Investment income, net                 25 %     -      35 %
              Net income                              5 %     -       7 %

Operating income, net of certain items, as a percent of service revenue, is expected to approximate 37% for fiscal 2013. The effective income tax rate for fiscal 2013 is expected to approximate 36%.

Interest on funds held for clients and investment income for fiscal 2013 are expected to continue to be impacted by the low interest rate environment. The average rate of return on our combined funds held for clients and corporate investment portfolios is expected to remain at 1.1% for fiscal 2013. As of May 31, 2012, the long-term investment portfolio had an average yield-to-maturity of 2.2% and an average duration of 3.0 years. In the next twelve months, approximately 15% to 20% of this portfolio will mature, and it is currently anticipated that these proceeds will be reinvested at a lower average interest rate of approximately 1.1%. Investment income is expected to benefit from ongoing investment of cash generated from operations.

Earnings per share for fiscal 2013 is expected to be adversely impacted by approximately $0.01 per share due to a planned increase in our sales force and an increase in employee-related costs for the increase in the 401(k) employer match implemented during fiscal 2012.

Purchases of property and equipment for fiscal 2013 are expected to be in the range of $95 million to $100 million. This includes costs for internally developed software as we continue to invest in our product development. Fiscal 2013 depreciation expense is projected to be in the range of $80 million to $85 million, and we project amortization of intangible assets for fiscal 2013 to be slightly less than $20 million.

Results of Operations

Summary of Results of Operations for the Fiscal Years Ended May 31:



In millions, except per share amounts     2012         Change          2011          Change          2010
Revenue:
Payroll service revenue                 $ 1,510.0            5 %     $ 1,438.8             2 %     $ 1,404.9
Human Resource Services revenue             676.2           13 %         597.4            10 %         540.9

Total service revenue                     2,186.2            7 %       2,036.2             5 %       1,945.8
Interest on funds held for clients           43.6           (9 %)         48.1           (13 %)         55.0

Total revenue                             2,229.8            7 %       2,084.3             4 %       2,000.8
Combined operating and SG&A expenses      1,375.9            6 %       1,297.9             2 %       1,276.0

Operating income                            853.9            9 %         786.4             8 %         724.8
Investment income, net                        6.4            9 %           5.8            29 %           4.5

Income before income taxes                  860.3            9 %         792.2             9 %         729.3
Income taxes                                312.3           13 %         276.9            10 %         252.3

Effective income tax rate                    36.3 %                       35.0 %                        34.6 %
Net income                              $   548.0            6 %     $   515.3             8 %     $   477.0

Diluted earnings per share              $    1.51            6 %     $    1.42             8 %     $    1.32

We invest in highly liquid, investment-grade fixed income securities and do not utilize derivative instruments to manage interest rate risk. As of May 31, 2012, we had no exposure to high-risk or illiquid investments and had insignificant exposure to European investments. Details regarding our combined funds held for clients and corporate investment portfolios are as follows:

                                                               Year ended May 31,
$ in millions                                        2012             2011             2010
Average investment balances:
Funds held for clients                             $ 3,584.3        $ 3,350.3        $ 3,167.9
Corporate investments                                  685.9            662.4            653.8

Total                                              $ 4,270.2        $ 4,012.7        $ 3,821.7

Average interest rates earned (exclusive of
net realized gains):
Funds held for clients                                   1.2 %            1.4 %            1.6 %
Corporate investments                                    0.9 %            0.9 %            0.8 %
Combined funds held for clients and corporate
investments                                              1.1 %            1.3 %            1.5 %
Total net realized gains                           $     1.0        $     1.3        $     3.2

$ in millions
As of May 31,                                        2012             2011             2010
Net unrealized gains on available-for-sale
securities(1)                                      $    59.5        $    59.3        $    66.6
Federal Funds rate(2)                                   0.25 %           0.25 %           0.25 %
Total fair value of available-for-sale
securities                                         $ 3,059.0        $ 2,737.2        $ 2,151.8
Weighted-average duration of
available-for-sale securities in years(3)                3.0              2.4              2.5
Weighted-average yield-to-maturity of
available-for-sale securities(3)                         2.2 %            2.6 %            2.9 %

(1) The net unrealized gain on our investment portfolios was approximately $58.0 million as of July 13, 2012.

(2) The Federal Funds rate was a range of zero to 0.25% as of May 31, 2012, 2011, and 2010.

(3) These items exclude the impact of VRDNs, as they are tied to short-term interest rates.

Payroll service revenue: Payroll service revenue increased 5% for fiscal 2012 and 2% for fiscal 2011 to $1.5 billion and $1.4 billion, respectively. Organic growth in payroll service revenue was approximately 4% for fiscal 2012 and 2% for fiscal 2011. Both fiscal 2012 and fiscal 2011 revenue benefited from increases in checks per payroll and revenue per check. Checks per payroll increased 2.0% for fiscal 2012 compared to fiscal 2011, and fiscal 2011 increased 2.7% compared to fiscal 2010. Revenue per check was positively impacted by price increases, partially offset by discounting. Our organic client base growth was essentially flat for fiscal 2012, and declined 0.9% for fiscal 2011, as new business formation remains challenged. Client retention improved for both fiscal 2012 and fiscal 2011.

Human Resource Services revenue: Human Resource Services revenue increased 13% for fiscal 2012 and 10% for fiscal 2011 to $676.2 million and $597.4 million, respectively. These growth rates were impacted by the acquisition of ePlan in May 2011 and the sale of Stromberg time and attendance operations ("Stromberg"), an immaterial component of Paychex, in October 2009. Organic growth in Human Resource Services revenue, excluding the impacts of these events, was approximately 11% for both fiscal 2012 and fiscal 2011, reflecting growth in clients and price increases. The following factors contributed to the growth for fiscal 2012 and fiscal 2011:

• Paychex HR Solutions revenue was positively impacted by favorable trends in checks per payroll, price increases, and growth in both clients and client employees. The rate of growth for Paychex HR Solutions revenue for fiscal 2012 was adversely impacted by fewer client employees within our PEO and lower average revenue per employee in our Paychex HR Essentials product.

• Insurance services revenue benefited from the continuing growth in health and benefits services revenue and increases in both clients and premiums for workers' compensation insurance services. Health and benefits services revenue increased 24% to $52.3 million for fiscal 2012 and 29% to $42.0 million for fiscal 2011, primarily driven by the increases for the respective periods in the number of applicants.

• Products that primarily support our MMS clients through our SaaS solution continue to experience growth in clients and revenue.

• Retirement services revenue benefited from an increase in the average asset value of retirement services client employees' funds (excluding ePlan) for both fiscal 2012 and fiscal 2011. This was partially offset by the impact from a shift in the mix of assets within these funds to investments earning lower fees from external managers.

• Human Resource Services revenue growth is less predictable than our payroll revenue growth. PEO net service revenue exhibits greater variability between periods due to fluctuations in total client employees as healthcare rates and workers' compensation claims experience vary. PEO performance had an adverse impact on Human Resource Services revenue growth for fiscal 2012 and fiscal 2011.

$ in billions
As of May 31,                           2012           Change           2011           Change           2010
Paychex HR Solutions client
employees served(1)                     615,000              8 %        569,000             12 %        505,000
Paychex HR Solutions clients(1)          23,000              8 %         21,000              8 %         20,000
Insurance services clients(2)           107,000              6 %        100,000              8 %         92,000
Health and benefits services
applicants                              121,000             23 %         99,000             23 %         80,000
Retirement services clients(3)           59,000              4 %         57,000             12 %         51,000
Asset value of retirement
services client employees'
funds(3)                              $    15.7              3 %      $    15.3             35 %      $    11.3

(1) Includes Paychex HR Essentials as of May 31, 2012 and 2011.

(2) Includes workers' compensation insurance services clients and health and benefits services clients.

(3) Includes ePlan as of May 31, 2012 and 2011. Organic growth in retirement services clients would have been approximately 3% for fiscal 2012 and 5% for fiscal 2011. Organic growth in the asset value of retirement services client employees' funds would have been approximately 2% for fiscal 2012 and 26% for fiscal 2011.

Total service revenue: Total service revenue increased 7% for fiscal 2012 and 5% for fiscal 2011, attributable to the factors previously discussed. Organic service revenue growth was approximately 6% for fiscal 2012 and 4% for fiscal 2011.

Interest on funds held for clients: Interest on funds held for clients decreased 9% for fiscal 2012 and 13% for fiscal 2011 compared to the respective prior year periods. These declines were the result of lower average interest . . .