PROBUSINESS SERVICES INC
10-K, 1998-09-28
COMPUTER PROCESSING & DATA PREPARATION
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<PAGE>

                                   UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D.C. 20549
                                     ----------
                                     FORM 10-K
                                     ----------
(Mark One)


(x)  Annual Report  pursuant to Section 13 or 15(d) of the Securities Exchange
     Act of 1934 (no fee required)

FOR THE FISCAL YEAR ENDED JUNE 30, 1998

                                         OR

(  ) Transition report pursuant to Section 13 or 15(d) of the Securities
     Exchange Act of 1934 (no fee required)

                             PROBUSINESS SERVICES, INC.
               (Exact name of Registrant as specified in its charter)
                                          
                                          
          DELAWARE                                  94-2976066
 (State or other jurisdiction                     (I.R.S. Employer
       of incorporation)                         Identification No.)
 
                                 4125 HOPYARD ROAD
                                PLEASANTON, CA 94588
                      (Address of principal executive offices)
                                          
                                   (925) 737-3500
                (Registrant's telephone number, including area code)

            SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

                                         NAME OF EACH EXCHANGE
          TITLE OF EACH CLASS              ON WHICH REGISTERED      
        ----------------------           ----------------------
                None                               None

             SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                           COMMON STOCK, $.001 PAR VALUE
                                  (TITLE OF CLASS)
                                          
     Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. 

                    YES   x                        NO

     Indicate by check mark if disclosure of delinquent filers pursuant to 
Item 405 of Regulation S-K is not contained herein, and will not be 
contained, to the best of Registrant's knowledge, in definitive proxy or 
information statements incorporated by reference in Part III of this Form 
10-K or any amendment to this Form 10-K. [ ]

     As of June 30, 1998, there were 17,114,855 shares of the Registrant's
Common Stock outstanding. The aggregate market value of such shares held by 
non-affiliates of the Registrant (based upon the closing sale price of such 
shares on the Nasdaq National Market on June 30, 1998) was approximately 
$311,293,699. Shares of the Registrant's common stock held by each executive 
officer and director and by each entity that owns 5% or more of the 
Registrant's outstanding common stock have been excluded in that such persons 
may be deemed to be affiliates. This determination of affiliate status is not 
necessarily a conclusive determination for other purposes.

                         DOCUMENTS INCORPORATED BY REFERENCE

     Portions of the Annual Report to Stockholders for the fiscal year ended
June 30, 1998 are incorporated by reference into Parts II and IV.  Portions of
the Proxy Statement for Registrant's 1998 Annual Meeting of  Stockholders to be
held November 12, 1998 are incorporated by reference into Part III. 

<PAGE>

                             PROBUSINESS SERVICES, INC.
                               INDEX TO ANNUAL REPORT
                                          
                                    ON FORM 10-K

PART I

ITEM 1.     BUSINESS. . . . . . . . . . . . . . . . . . . . . . . . . . . .3

ITEM 2.     PROPERTIES. . . . . . . . . . . . . . . . . . . . . . . . . . .8

ITEM 3.     LEGAL PROCEEDINGS . . . . . . . . . . . . . . . . . . . . . . .8

ITEM 4.     SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS . . . . . .8


PART II


ITEM 5.     MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED 
               STOCKHOLDER MATTERS. . . . . . . . . . . . . . . . . . . . .9

ITEM 6.     SELECTED FINANCIAL DATA . . . . . . . . . . . . . . . . . . . .9

ITEM 7.     MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
               AND RESULTS OF OPERATIONS. . . . . . . . . . . . . . . . . .9

ITEM 8.     FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA . . . . . . . . . .9

ITEM 9.     CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING
               AND FINANCIAL DISCLOSURE . . . . . . . . . . . . . . . . . .9


PART III


ITEM 10.    DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT. . . . . . 10

ITEM 11.    EXECUTIVE COMPENSATION. . . . . . . . . . . . . . . . . . . . 12

ITEM 12.    SECURITY OWNERSHIP. . . . . . . . . . . . . . . . . . . . . . 12

ITEM 13.    CERTAIN RELATIONSHIP AND RELATED TRANSACTIONS . . . . . . . . 12


PART IV


ITEM 14.    EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON 
               FORM 8-K . . . . . . . . . . . . . . . . . . . . . . . . . 13

            SIGNATURES. . . . . . . . . . . . . . . . . . . . . . . . . . 14


                                          2
<PAGE>

                             PROBUSINESS SERVICES, INC.
                                      PART I.


     THE FOLLOWING REPORT  CONTAINS FORWARD-LOOKING STATEMENTS THAT INVOLVE 
RISKS AND UNCERTAINTIES.  THE COMPANY'S ACTUAL RESULTS COULD DIFFER 
MATERIALLY FROM THOSE ANTICIPATED IN THESE FORWARD-LOOKING STATEMENTS.  
POTENTIAL RISKS AND UNCERTAINTIES INCLUDE, AMONG OTHERS, THOSE SET FORTH IN 
THE  "MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS 
OF OPERATIONS" ON PAGE 19 OF THE COMPANY'S 1998 ANNUAL REPORT TO 
STOCKHOLDERS, WHICH IS INCORPORATED BY REFERENCE INTO PART II, ITEM 7 OF THIS 
REPORT. 

ITEM 1.  BUSINESS

OVERVIEW

     ProBusiness is a leading provider of employee administrative services 
for large employers. The Company's primary service offerings are payroll 
processing, payroll tax filing, benefits administration, including the 
enrollment and processing of flexible benefits plans and COBRA programs, and 
human resources software. The Company's proprietary PC-based payroll system 
offers the cost-effective benefits of outsourcing and high levels of client 
service, while providing the flexibility, control, customization and 
integration of an in-house system. As of June 30, 1998, the Company provided 
services to approximately 1,400 clients. As of June 30, 1998, the Company 
provided payroll processing services to approximately 510 clients with an 
aggregate of approximately 575,000 active employees and an average of 
approximately 1,100 employees. For the quarter ended June 30, 1998, the 
Company processed 4.3 million checks for the Company's payroll clients. In 
addition to providing tax filing services for its payroll clients, as of June 
30, 1998 the Company provided national tax filing services to 72 clients with 
an aggregate of approximately 1.1 million employees and an average of more 
than 15,200 employees. 

     The Company differentiates itself from its competitors through its
proprietary PC-based technology, high quality, responsive and professional
client service, and focus on the needs of large employers. ProBusiness develops
a business partnership with each client by assessing each client's payroll
processing needs, reengineering and designing the client's payroll systems and
processes and implementing a cost-effective solution. The Company maintains an
ongoing relationship with each client using a strategic team of specialists led
by a personal account manager who proactively manages each client's account and
marshals the resources of the team to meet the client's specific needs.
ProBusiness maintains a low client-to-account manager ratio to offer clients
accessible and responsive account management. The Company believes that its low
client-to-account manager ratio and its focus on client service are key factors
in enabling the Company to achieve a high payroll client retention rate, which
was approximately 92% for fiscal year 1998. 

     The Company provides large employers with the cost-effective benefits of 
outsourcing and high levels of client service, while providing the 
flexibility, system control, customization and integration of an in-house 
system. The Company combines its PC-based technology and personalized client 
service to provide a broad range of service offerings, including payroll 
processing, payroll tax filing, benefits administration and human resources 
software. 

     The Company's objective is to be the premier provider of employee
administrative services for large employers. The Company's strategy is to
continue providing clients with high levels of personal service and developing a
comprehensive and fully integrated suite of employee administrative services.
The Company also intends to expand its client base and provide additional
services to its existing clients. 

     The Company was incorporated in California in October 1984 and 
reincorporated in Delaware in September 1997. The Company's executive offices 
are located at 4125 Hopyard Road, Pleasanton, California 94588, and its 
telephone number is (925) 737-3500.

                                       3

<PAGE>

SERVICE OFFERINGS

     The Company provides a broad range of employee administrative services,
including payroll processing, tax filing, benefits administration and human
resources software. The Company intends to expand its service offerings through
future acquisitions, alliances and investments and to develop enhancements to
its existing services internally. 

PAYROLL PROCESSING.  The Company processes time and attendance data to calculate
and produce employee paychecks, direct deposits and reports for its clients.
Clients receive paychecks and reports within 24 to 48 hours of the Company's
receipt of the data electronically submitted from the client. The Company's
system is highly configurable to meet the specialized needs of each client yet
maintains the ability to provide high volume processing. The system integrates
easily with the client's general ledger, human resources and time and attendance
systems. In addition, the Company offers many sophisticated features, including
the automatic enrollment and tracking of paid time off, proration of
compensation for new hires and integrated garnishment processing. 

PAYROLL TAX FILING.  The Company collects contributed employer and employee tax
funds from clients, deposits such funds with tax authorities when due, files all
tax returns and reconciles the client's account. The Company will also represent
the client before tax authorities in disputes or inquiries. Substantially all
existing payroll clients utilize the Company's payroll tax service. In addition,
as of June 30, 1998, the Company provided national tax services to 72 clients
with an aggregate of more than 1.1 million employees and an average of more than
15,200 employees. 

BENEFITS ADMINISTRATION.  The Company's benefits administration services include
flexible benefits enrollment and processing, COBRA administration and
consolidated billing and eligibility tracking. Employees can enroll in and
choose their flexible spending benefits through traditional paper-based forms or
through Internet-accessible enrollment sites using the Company's Enrollnet-TM-
service. 

HUMAN RESOURCES SOFTWARE.  The Company's human resources software tracks and 
reports general employee information, including compensation, benefits, 
skills, performance, training, job titles and medical history. For clients 
that also use the Company's payroll service, the human resources data can be 
transferred to the payroll services system, thus eliminating the need for 
duplicate data entry. 

     The Company continually evaluates the addition of add-on service 
offerings to expand the breadth of its solution through alliances, 
acquisitions or internal development. Such additional services include 
administrative services related to time and attendance, travel and 
entertainment, unemployment insurance and 401(k) plans. 

CLIENT SERVICE

     The Company believes that its focus and dedication to providing high levels
of client service is a competitive advantage in the large employer market.
ProBusiness develops a business partnership with each client by assessing each
client's payroll processing needs, reengineering and designing the client's
payroll system and process and implementing a value-added solution. The Company
maintains an ongoing relationship with each client using a strategic team that 



                                          4
<PAGE>

includes a sales representative, a sales analyst, an implementation manager, 
an account manager and numerous functional, regulatory and technical support 
specialists. The Company intends to continue providing its clients with a 
high level of service by hiring professionals who are experienced in their 
fields. Most service personnel have experience in payroll, accounting, human 
resources or financial services industries, and many hold Certified Public 
Accountant or Certified Payroll Professional accreditations. 

     The Company continually monitors the quality of its service through client
feedback mechanisms. The Company obtains valuable insights into the needs of its
clients through its partnership with each client and from client responses to
surveys, which are conducted semi-annually. The Company uses this information to
help develop, identify and optimize new service offerings provided to existing
clients and improve the level of service provided to clients. The Company also
uses client feedback as a basis for incentive compensation and recognition of
achievements. 

SALES.  The Company believes that client service begins with the sales process.
A sales representative and a sales analyst work together to assess a potential
client's payroll processing needs. Based on this assessment, the sales team then
identifies opportunities to reengineer the prospective client's payroll
processes and to design a payroll solution that integrates effectively with its
other systems. The payroll sales cycle typically ranges from three to twelve
months or longer. 

IMPLEMENTATION.  Upon engagement by a client, the Company assigns a team of
technical support specialists, headed by an implementation manager who leads the
transition from the client's former payroll system to the Company's system. The
implementation manager works with the client, the sales analyst and technical
support specialists to integrate the Company's payroll system with the client's
other systems and to customize the system to improve the client's payroll
processes. The Company uses its systems integration expertise to facilitate the
integration of its payroll processing system with the client's existing hardware
and software. The implementation process generally takes three to nine months or
longer, depending on the complexity of the client's payroll processes and
systems and the size of the client. 

ACCOUNT MANAGEMENT.  An account manager is assigned to each client during the
implementation process and serves as the client's day-to-day contact at the
Company. The account manager coordinates the efforts of the Company's
functional, regulatory and technical support specialists as necessary. The
account manager visits each client regularly and establishes an annual business
plan with the client that details scheduled payroll events such as open
enrollment periods for employee benefits plans or software system changes. This
annual business plan allows the Company to provide clients with uninterrupted
payroll services during these periods. Account managers use the Company's
proprietary CallLog system to record and track all client calls, record client
feedback and help ensure that the client's needs are addressed promptly and
thoroughly. The Company maintains a low client-to-account manager ratio to offer
clients accessible and responsive account management. 

SUPPORT SPECIALISTS.  The Company supports each client with functional and
regulatory specialists in payroll, payroll tax and employee benefits, as well as
pay data interfaces, general ledger interfaces, paid-time-off, report writing
and system integration. Each of these specialists is available to speak directly
with clients as needed, meet with clients onsite or support clients indirectly
through the account manager. 

TECHNOLOGY

     The Company's proprietary PC-based technology for its payroll services
provides a platform for delivering high levels of service together with the
flexibility and control of an in-house system. The Company creates a mirrored
version of each client's system, which allows the Company's account managers to
access client information using the same data, programs and screens as the
client uses on its PC network. This enables the Company to quickly and easily
identify client problems or modify application programs in response to client
requests. The client maintains control by having direct access to all
calculation programs and all historical and transactional data, which also
provides the client with flexibility to respond quickly to employee and
third-party inquiries, to fully analyze payroll data and to generate management
reports. The Company's intuitive Windows-based interface makes navigation simple
and allows new users to be trained quickly. The Company is developing a new
suite of online self-service administrative services applications accessible 


                                          5
<PAGE>

through the Internet that enable clients' employees to view paychecks and other
compensation and benefits data. 

     The Company's system architecture is designed to distribute payroll
processing tasks to multiple low cost, high performance PCs, which enables the
Company to scale its system continually to handle increasing transaction
volumes. The Company's PC-based application software supports the development of
customized solutions for each client that can be easily upgraded and integrated
with a client's other systems. In addition, multiple networked PCs facilitate
exception processing and rapid response that large employers require. 

CLIENTS

     The Company targets large companies with complex and changing business 
needs in diverse industries. As of June 30, 1998, the Company provided 
services to approximately 1,400 clients. Of these clients, approximately 510 
were payroll processing clients, with an aggregate of approximately 575,000 
active employees and an average of approximately 1,100 employees. For the 
quarter ended June 30, 1998, the Company processed 4.3 million payroll checks 
for the Company's payroll clients. The Company began providing national tax 
filing services to clients in 1996 and, as of June 30, 1998, provided these 
services to 72 clients with an aggregate of more than 1.1 million employees 
and an average of more than 15,000 employees. Substantially all existing 
payroll clients utilize the Company's payroll tax filing service. For fiscal 
1998, no client accounted for more than 4% of the Company's revenue

     The Company believes that its low client-to-account manager ratio and its
focus on client service are key factors in enabling the Company to achieve a
high payroll client retention rate, which was approximately 92% for fiscal 1998.
Historically, the Company's client retention rates have been negatively impacted
primarily due to clients ceasing to use the Company's services following a
merger or sale of the client. The Company does not have long-term contracts with
its clients, and the Company's existing contracts do not have significant
penalties for cancellation. 

SALES AND MARKETING

     The Company employs a direct sales force to gain new payroll and payroll
tax clients and increase the number of services provided to existing clients.
The Company currently targets large employers through direct marketing, trade
shows and active participation in local chapters of the American Payroll
Association. The Company uses a team selling approach, whereby sales analysts
and sales representatives collaborate to assess a potential client's needs and
develop a cost-effective solution. The payroll sales cycle typically ranges from
three to twelve months or longer. The Company primarily utilizes insurance
brokers to attract new benefits administration clients. 

     The Company seeks to attract and retain experienced industry sales
representatives. The Company believes that its long-term competitiveness depends
on increasing further its national presence. The Company believes that
continuing to add direct sales representatives in major metropolitan areas
throughout the United States is the most effective means of increasing its
national client base. Over the past two years, the Company has added sales and
implementation representatives covering major metropolitan areas, including
Atlanta, Chicago, Dallas, New York and Seattle. To support its sales growth in
the eastern United States, the Company intends to open a satellite sales and
implementation center in New Jersey during the fourth quarter of calendar 1998. 

     The Company's marketing department provides support materials and marketing
communications to sales representatives, promotes public relations, conducts
direct mail campaigns, manages trade show participation, and develops and
manages corporate Web sites. 

     As part of its strategy to provide a comprehensive suite of employee
administrative services, the Company has recently entered into strategic
alliances with two industry leaders. The Company has formed an alliance with SAP
AG, a leading provider of enterprise business solutions, to offer customers high
levels of flexibility in managing payroll and payroll tax processes by linking
the Company's payroll and tax solution to SAP's HR System. The Company has also
formed an alliance to provide services to clients jointly with Sheakly
UniService, a leading provider of unemployment cost control services. 


                                          6
<PAGE>

RESEARCH AND DEVELOPMENT

     The Company intends to continue investing substantial resources to further
develop a comprehensive and fully integrated suite of employee administrative
services and extend the functionality of its proprietary payroll processing
systems. For example, the Company is developing a new suite of online
self-service administrative services applications accessible through the
Internet that enable clients' employees to view paychecks as well as other
compensation and benefits data. In addition, the Company expects to introduce an
integrated payroll and human resources system utilizing client/server technology
that will run on Windows 95 and Windows NT. 

     The foregoing information contains forward-looking statements that involve
risks and uncertainties. Actual events could differ materially from those
anticipated in these forward-looking statements, as a result of certain factors
including those discussed in the paragraph below.

COMPETITION

     The market for the Company's services is intensely competitive, subject to
rapid change and significantly affected by new service introductions and other
market activities of industry participants. The Company primarily competes with
several public and private payroll service providers such as Automatic Data
Processing, Inc., Ceridian Corporation and Paychex, Inc., as well as smaller,
regional competitors. Many of these companies have longer operating histories,
greater financial, technical, marketing and other resources, greater name
recognition and a larger number of clients than the Company. In addition,
certain of these companies offer more services or features than the Company and
have processing facilities located throughout the United States. The Company
also competes with in-house employee services departments and, to a lesser
extent, banks and local payroll companies. With respect to benefits
administration services, the Company competes with insurance companies, benefits
consultants and other local benefits outsourcing companies. The Company may also
compete with marketers of related products and services that may offer payroll
or benefits administration services in the future. The Company has experienced,
and expects to continue to experience, competition from new entrants into its
markets. Increased competition could result in pricing pressures, loss of market
share and loss of clients, any of which could have a material adverse effect on
the Company's business, financial condition and results of operations. 

     The Company believes that the principal competitive factors affecting its
market include client service, system functionality and performance, system
scalability, reputation, system cost and geographic location. The failure of the
Company to compete successfully would have a material adverse effect on the
Company's business, financial condition and results of operations. 

PROPRIETARY RIGHTS

     The Company's success is dependent in part upon its proprietary software
technology. The Company relies on a combination of contract, copyright and trade
secret laws to establish and protect its proprietary technology. The Company has
no patents, patent applications or registered copyrights. The Company
distributes its services under software license agreements that grant clients
licenses to use the Company's services and contain various provisions protecting
the Company's ownership and the confidentiality of the underlying technology.
The Company generally enters into confidentiality and/or license agreements with
its employees and existing and potential clients, and limits access to and
distribution of its software, documentation and other proprietary information.
There can be no assurance that the steps taken by the Company in this regard
will be adequate to deter misappropriation or independent third-party
development of the Company's technology. 

     There can be no assurance that the Company's services and technology do not
infringe any existing patents, copyrights or other proprietary rights or that
third parties will not assert infringement claims in the future. If any such
claims are asserted and upheld, the costs of defense could be substantial and
any resulting liability to the Company could have a material adverse effect on
the Company's business, financial condition 


                                          7
<PAGE>

and results of operations.

EMPLOYEES

     As of June 30, 1998, the Company had 500 full-time employees. The Company
believes that its relations with its employees are good. 

ITEM 2. PROPERTIES

     The Company's headquarters are located in Pleasanton, California and 
consist of approximately 130,000 square feet of office space leased through 
September 2008. The Company has signed a lease for a building to be built 
adjacent to its headquarters which will consist of approximately 70,000 
square feet, of which approximately 35,000 square feet is expected to be 
available in mid-1999, and the remaining is expected to be available mid-2000. 

     The Company also has a sales, implementation and production facility and 
a back-up payroll facility in Irvine, California, where it leases 
approximately 14,000 square feet under a lease which terminates May 2002. In 
addition, the Company has a sales office in Kettering, Ohio pursuant to a 
lease which terminates in July 1999. The Company intends to open a satellite 
sales and implementation center in New Jersey. 

     The Company's benefits administration processing operations are located in
Bellevue, Washington, where the Company leases approximately 6,500 square feet
under a lease that will terminate in June 2003. The Company is currently
negotiating a lease for a new building in Bellevue to house the Company's
benefits administration processing operations. Such lease is expected to
commence in early 1999. 

     The Company believes that its existing facilities are adequate for its
current needs and that additional facilities can be leased to meet future needs.

ITEM 3.  LEGAL PROCEEDINGS

     There are no material pending legal proceedings.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS 

     No matter was submitted to a vote of security holders, through the
solicitation of proxies or otherwise, during the fourth quarter of the fiscal
year ended June 30, 1998.


                                          8
<PAGE>

                                       PART II

ITEM 5.   MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

     (a)  The Company's Common Stock is quoted on the Nasdaq National Market 
under the symbol "PRBZ." The following table sets forth, for the fiscal 
periods indicated, the high and low sales prices of the Common Stock as 
reported by the Nasdaq National Market since the Company's initial public 
offering of Common Stock at $7.33 per share on September 19, 1997 (after 
giving effect to the stock split effected on August 7, 1998). Prior to 
September 19, 1997, there was no public trading market for the Common Stock. 

<TABLE>
<CAPTION>
                                                                  High     Low
                                                                 ------   -----
<S>                                                              <C>      <C>
  FISCAL 1998:
      First Quarter (from September 19, 1997)...............     $12.92   $7.67
      Second Quarter........................................      15.33   12.08
      Third Quarter.........................................      20.00   14.00
      Fourth Quarter........................................      32.58   17.33

</TABLE>

     On July 31, 1998, there were 372 holders of record of the Company's Common
Stock. The Company believes that the number of beneficial owners of the Common
Stock is substantially greater than the number of record owners because a large
portion of the Common Stock is held of record in broker "street names." The last
reported sale price per share of the Common Stock on September 21, 1998 on the
Nasdaq National Market was $28.0625.

     (b)  On September 19, 1997, the Company commenced an initial public 
offering, which consisted of 4,312,500 shares of its Common Stock (the 
"Offering") at $7.33 per share pursuant to a registration statement (No. 
333-23189) declared effective by the Securities and Exchange Commission on 
September 19, 1997. As of April 1, 1998, approximately $15.2 million of the 
net proceeds from the Offering were invested in short-term financial 
instruments. From April 1, 1998 to June 30, 1998, the Company used 
approximately $1.4 million of these proceeds from the short-term financial 
instruments, using approximately $1.1 million to repay indebtedness incurred 
in connection with the acquisition of BeneSphere Administrators, Inc. and 
approximately $300,000 for working capital.

ITEM 6.  SELECTED FINANCIAL DATA

     The information required is set forth in the Company's Annual Report under
the heading "Financial Highlights" and is incorporated herein by reference. 

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS

     The information required is set forth in the Company's Annual Report under
the heading "Management's Discussion and Analysis of Financial Condition and
Results of Operations" and is incorporated herein by reference.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     The financial statements required are identified in Item 14(a) and are set
forth in the Company's Annual Report and incorporated herein by reference. 
Supplementary data required is set forth in the Company's Annual Report under
"Quarterly Financial Data (Unaudited)" and is incorporated herein by reference.

ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE

     There has been no change in accountants or reported disagreements on
accounting principles or practices or financial statement disclosures.


                                          9
<PAGE>

                                       PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

    The following table sets forth certain information with respect to the
executive officers and directors of the Company as of August 1, 1998.
 
<TABLE>
<CAPTION>
NAME                                                        AGE                          POSITION
- ------------------------------------------------------      ---      ------------------------------------------------
<S>                                                     <C>          <C>
Thomas H. Sinton......................................      50       Chairman of the Board, President, Chief
                                                                      Executive Officer, Director
Jeffrey M. Bizzack....................................      38       Senior Vice President, Sales
Leslie A. Johnson.....................................      49       Senior Vice President, Client Services and Chief
                                                                      Service Officer
Steven E. Klei........................................      38       Senior Vice President, Finance, Chief Financial
                                                                      Officer and Secretary
Robert E. Schneider...................................      40       Senior Vice President, Product Development and
                                                                      Chief Technical Officer
William T. Clifford(1)................................      52       Director
David C. Hodgson(2)...................................      41       Director
Ronald W. Readmond(1)(2)..............................      55       Director
Thomas P. Roddy(1)....................................      63       Director
</TABLE>
 
- ------------------------
 
(1) Member of the Audit Committee.
 
(2) Member of the Compensation Committee.
 
    MR. SINTON, founder of the Company, has served as a Director of the Company
since the Company's incorporation in October 1984, and from March 1993 to
present, Mr. Sinton has served as the President and Chief Executive Officer of
the Company. Since December 1996 and for a period between September 1989 and
February 1993, Mr. Sinton served as Chairman of the Board. Mr. Sinton holds a
B.A. degree in English Literature, MAGNA CUM LAUDE, from Harvard University, an
M.S. degree in Food Science from the University of California at Davis and an
M.B.A. degree from Stanford University. Mr. Sinton received a Fulbright
Fellowship to study at the University of Vienna in Vienna, Austria.
 
    MR. BIZZACK has served as Senior Vice President, Sales of the Company since
July 1993. From October 1992 to July 1993, Mr. Bizzack served as Vice President,
Sales of the Company. From October 1988 to October 1992, Mr. Bizzack served as a
District Sales Manager of the Company. Mr. Bizzack attended Saint Mary's
College.
 
    MS. JOHNSON has served as Senior Vice President, Client Services and Chief
Service Officer of the Company since August 1997 and served as Vice President,
Client Services of the Company from September 1993 to August 1997. From May 1992
to September 1993, Ms. Johnson was Director, National Accounts for Automatic
Data Processing. From January 1976 until her division was acquired by Automatic
Data Processing in May 1992, Ms. Johnson held several positions at BankAmerica
Corporation, most recently as Vice President, Northern California National
Accounts. Ms. Johnson holds a B.A. degree in Communications from the University
of Colorado.
 
    MR. KLEI has served as Senior Vice President, Finance of the Company since
August 1997, as Chief Financial Officer of the Company since July 1995 and as
Secretary of the Company since August 1996. Mr. Klei served as Vice President,
Finance from July 1995 to August 1997. From April 1993 to July 1995, Mr. Klei
was Corporate Controller for Esprit de Corp, an apparel company. Mr. Klei holds
a B.S. degree in Accounting from Central Michigan University and is a Certified
Public Accountant.
 
    MR. SCHNEIDER has served as Senior Vice President, Product Development and
Chief Technical Officer of the Company since August 1997 and served as Vice
President, Research and Development and Chief
 
                                       10
<PAGE>

Technical Officer of the Company from November 1996 to August 1997. From April
1995 to July 1996, Mr. Schneider served as Senior Vice President of Product
Development at Premenos Technology Corporation, an electronic commerce software
company. From February 1989 to March 1995, Mr. Schneider held several positions
at Sybase Inc., most recently as Vice President and Business Unit Manager of the
Server Products Group. Mr. Schneider holds a B.S. degree in Computer Science
from the University of San Francisco.
 
    MR. CLIFFORD has served as a Director of the Company since August 1997. Mr.
Clifford has been the President of Gartner Group Research and the Chief
Operating Officer of Gartner Group, Inc. since April 1995 and Executive Vice
President, Operations of Gartner Group, Inc. since October 1993. From December
1988 to October 1993 Mr. Clifford held various positions at Automatic Data
Processing, Inc., including President of National Accounts and Corporate Vice
President, Information Services. Mr. Clifford holds a B.A. degree in Economics
from the University of Connecticut.
 
    MR. HODGSON has served as a Director of the Company since March 1997. Mr.
Hodgson is a Managing Member of General Atlantic Partners LLC ("GAP LLC") and
has been with GAP LLC since 1982. Mr. Hodgson is also a director of Baan
Company, N.V., a publicly-traded software company, Atlantic Data Services, Inc.,
a publicly-traded information technology consulting company, and several other
privately-held software companies, in which GAP LLC or one of its affiliates is
an investor. Mr. Hodgson holds an A.B. degree in Mathematics from Dartmouth
College and an M.B.A. degree from Stanford University.
 
    MR. READMOND has served as a Director of the Company since February 1997.
Since June 1998, Mr. Readmond has been President and Chief Operating Officer of
Wit Capital Group Incorporated and has been an advisor of Barbour Griffith &
Rogers, a lobbying firm, and Chairman of International Equity Partners, L.P., a
private equity and project development company since January, 1997. From August
1989 to December 1996, Mr. Readmond held various positions at Charles Schwab &
Co. Inc., most recently serving as Vice Chairman. Mr. Readmond holds a B.A.
degree in Economics from Western Maryland College.
 
    MR. RODDY has served as a Director of the Company since 1992. Since 1988,
Mr. Roddy has served as President and Chief Executive Officer of Lafayette
Investments Inc., an investment banking and investment advisory company. Mr.
Roddy holds a B.S. degree in Biochemistry from Villanova University.
 
    Mr. Hodgson was nominated and elected as a Director of the Company pursuant
to an agreement entered into between the Company, GAP LLC and Thomas H. Sinton
and his affiliates, in connection with the sale of Preferred Stock by the
Company to GAP LLC. Under such agreement, GAP LLC and Mr. Sinton and his
affiliates agreed to vote their shares to elect one director to the Board of
Directors designated by GAP LLC until the third annual meeting of stockholders
after the Company's initial public offering.
 
    The Board of Directors presently consists of five members who hold office
until the annual meeting of stockholders or until a successor is duly elected
and qualified. The Board of Directors is divided into three classes. One class
of directors is elected annually and its members hold office for a three-year
term or until their successors are duly elected and qualified, or until their
earlier removal or resignation. The number of directors may be changed by a
resolution of the Board of Directors. Executive officers are elected by the
Board of Directors. There are no family relationships among any of the directors
and executive officers of the Company.
 
    The Board of Directors has established an Audit Committee and a 
Compensation Committee. The Audit Committee recommends the engagement of 
auditors and reviews the results and scope of the audit and other services 
provided by the Company's independent auditors, reviews and evaluates the 
Company's control functions and reviews the Company's investment policy. The 
Compensation Committee makes recommendations to the Board of Directors 
concerning salaries and incentive compensation for employees and consultants 
of the Company. The Compensation Committee also administers the Company's 
1996 Stock Option Plan and 1997 Employee Stock Purchase Plan.

                                       11

<PAGE>

     Section 16(a) of the Securities Exchange Act of 1934, as amended, 
requires the Company's executive officers and directors, and persons who own 
more than 10% of a registered class of the Company's equity securities to 
file reports of ownership and changes in ownership with the Securities and 
Exchange Commission ("SEC"). Executive officers, directors and greater than 
10% stockholders are required by SEC rules to furnish the Company with copies 
of all forms they file. Based solely on its review of the copies of such 
forms received by the Company and written representations from certain 
reporting persons, the Company believes that, during fiscal 1998, all Section 
16(a) filing requirements applicable to its executive officers, directors and 
10% stockholders were satisfied, except that the Forms 4 for Leslie Johnson, 
the Senior Vice President, Client Services and Chief Service Officer, for 
September 1997 and for Mitchell Everton, the Senior Vice President, Tax and 
Operations of the Company, for April 1998 were filed late.

ITEM 11. EXECUTIVE COMPENSATION 

     The information required is set forth in the  Company's definitive Proxy 
Statement in the sections entitled "Executive Officer Compensation" and 
"Election of Class I Director" and is incorporated herein by reference.

ITEM 12. SECURITY OWNERSHIP

     The information required is set forth in the  Company's definitive Proxy
Statement in the section entitled "Security Ownership of Certain Beneficial
Owners and Management" and is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     Between May 1994 and September 1995, Thomas H. Sinton, a Director and
officer of the Company, and his immediate family loaned an aggregate of
$1,040,000 to the Company at interest rates of 10.0% per year. The Company has
paid all such loans in full. 

     On December 5, 1996, the Company loaned $544,000 under a full recourse note
agreement at an interest rate of 6.31% per year to Robert E. Schneider, an
officer of the Company, to permit Mr. Schneider to exercise options to purchase
Common Stock of the Company. All principal and interest is due December 5, 2000.
As of June 30, 1998, Mr. Schneider had not paid any amount on the note. 

     On January 31, 1997, the Company loaned $250,000 under a full recourse note
agreement at an interest rate of 6.1% per year to Jeffrey M. Bizzack, an officer
of the Company, to permit Mr. Bizzack to purchase a residence. Accrued interest
must be paid on a monthly basis beginning two years from the date of the note.
All principal and accrued but unpaid interest is due January 31, 2001 unless
Mr. Bizzack's employment with the Company terminates, in which case, the note
may become due earlier. As of June 30, 1998, Mr. Bizzack had not paid any amount
on the note.

     Thomas H. Sinton and certain affiliates of GAP LLC are the sole
stockholders of InterPro Expense Systems, Inc., a Delaware corporation
("InterPro"), which in April 1998 purchased rights to certain early-stage travel
and entertainment expense processing software. Mr. Sinton is the President,
Chief Executive Officer and Chairman of the Board of the Company. David C.
Hodgson, a Director of the Company, is a managing member of GAP LLC, affiliates
of which hold more than 5% of the Company's outstanding stock. Because Mr.
Sinton and Mr. Hodgson are officers and Directors of the Company, their
investment in InterPro was required to be, and was, approved by the
disinterested directors of the Company. Any future transaction or relationship
between the Company and InterPro would be entered into on an arms-length basis
and would be approved by the Company's disinterested directors. 


                                       12
<PAGE>

ITEM 14 EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.

(a)  The following documents are filed as a part of this Report:

          1.   FINANCIAL STATEMENTS: The following Consolidated Financial
               Statements of ProBusiness, Services, Inc. and Report of Ernst &
               Young LLP, Independent Auditors, are Incorporated by reference to
               page 27 through 42 of the Registrant's 1998 Annual Report to
               Stockholders:
     
                    Balance Sheets as of  June 30, 1998, 1997 
     
                    Statements of Operations for the
                         years ended June 30, 1998, 1997, 1996

                    Statements of Stockholders' Equity
                         for the years ended June 30, 1998, 1997, 1996  
          
                    Statements of Cash Flows for the
                         years ended June 30, 1998, 1997, 1996

                    Notes to Consolidated Financial Statements

                    Report of Ernst & Young LLP, Independent Auditors

          2.   FINANCIAL STATEMENT SCHEDULE:  The following financial statement
               schedule of ProBusiness Services, Inc. for the fiscal years ended
               June 30, 1998, 1997, 1996 is filed as part of this Report and 
               should beread in conjunction with the consolidated Financial 
               Statements of ProBusiness Services, Inc.

               Schedule II   Valuation Allowance Schedule..................S-1

               Schedules not listed above have been omitted because they are not
               applicable or are not required or the information required to be
               set forth therein is included in the Consolidated Financial
               Statements or Notes thereto.
          
          3.   EXHIBITS:   The Exhibits listed on the accompanying Index to
               Exhibits immediately following the financial statement schedule
               are filed as part of, or incorporated by reference into, this
               Report.

(b)  REPORTS OF FORM 8-K:   No reports on Form 8-K were filed by the Company
     during the fiscal year ended June 30, 1998. 

(c)  EXHIBITS:   See Item (a) above.

(d)  FINANCIAL STATEMENT SCHEDULES:   See Item (a) above.


                                       13

<PAGE>

                                     SIGNATURES
                                          
     PURSUANT TO THE REQUIREMENTS OF SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF  1934, THE REGISTRANT HAS DULY CAUSED THIS REPORT TO BE SIGNED
ON ITS BEHALF BY THE UNDERSIGNED, THEREUNTO DULY AUTHORIZED, IN THE CITY OF
PLEASANTON, STATE OF CALIFORNIA, ON THIS 28 DAY OF SEPTEMBER, 1998.

                              PROBUSINESS SERVICES, INC.


                              By:  /s/ Thomas H. Sinton
                                 ----------------------------
                                   Thomas H. Sinton
                                   President and Chief Executive Officer


     Pursuant to the requirements of the Securities Act of 1934, this Report has
been signed below by the following persons on behalf of the Registrant  and in
the capacities and on the dates indicated: 

<TABLE>
<CAPTION>
 

      SIGNATURE                                  TITLE                           DATE
     -----------                                -------                         -------
<S>                           <C>                                          <C>
  /s/ Thomas H. Sinton        President, Chief Executive Officer and       September 28, 1998
  ---------------------       Director (Principal Executive Officer) 
  Thomas H. Sinton            

  /s/ Steven E. Klei          Senior Vice President, Finance, Chief        September 28, 1998
  ---------------------       Financial Officer and Secretary (Principal 
  Steven E. Klei              Financial and Accounting Officer)            

  /s/ William T. Clifford     
  ---------------------       Director                                     September 28, 1998
  William T. Clifford

  /s/ David C. Hodgson
  ---------------------       Director                                     September 28, 1998
  David C. Hodgson            

  /s/ Ronald W. Readmond          
  ---------------------       Director                                     September 28, 1998
  Ronald W. Readmond          

  /s/ Thomas P. Roddy             
  ---------------------       Director                                     September 28, 1998
  Thomas P. Roddy             
 

</TABLE>

                                          14
<PAGE>

                     CONSENT AND REPORT OF INDEPENDENT AUDITORS

     
     We consent to the incorporation by reference in this Annual Report (Form
10-K) of ProBusiness Services, Inc. of our report dated July 23, 1998 included
in the 1998 Annual Report to Stockholders of ProBusiness Services, Inc.

     Our audits also included the financial statement schedule of ProBusiness
Services, Inc. listed in Item 14(a). This schedule is the responsibility of the
Company's management. Our responsibility is to express an opinion based on our
audits. In our opinion, the financial statement schedule referred to above, when
considered in relation to the basic financial statements taken as a whole,
presents fairly in all material respects the information set forth therein.

Walnut Creek, California
September 28, 1998



                                          15
<PAGE>

     SCHEDULE II

                                             PROBUSINESS SERVICES, INC.
                                             (DOLLARS IN THOUSANDS)

     VALUATION ALLOWANCE

     
<TABLE>
<CAPTION>
                                                                    YEAR ENDED JUNE 30,
                                                                    -------------------
                                                           1996           1997            1998
                                                          ------         ------          ------
<S>                                                      <C>            <C>            <C>
DEFERRED TAX ASSETS
Balance at beginning of year . . . . . . . . . . . . .   $  2,988       $  3,597       $  5,988
Additions. . . . . . . . . . . . . . . . . . . . . . .        609          2,391          3,236
Reductions . . . . . . . . . . . . . . . . . . . . . .        _              _              _
Balance at end of year . . . . . . . . . . . . . . . .   $  3,597       $  5,988       $  9,224

                                                                     YEAR ENDED JUNE 30,
                                                                    ---------------------
                                                           1996           1997            1998
                                                          -------        ------          ------
<S>                                                      <C>            <C>            <C>
ALLOWANCE FOR DOUBTFUL ACCOUNTS
Balance at beginning of year . . . . . . . . . . . . .   $    _         $    _         $    365
Additions. . . . . . . . . . . . . . . . . . . . . . .        _              365             84
Reductions . . . . . . . . . . . . . . . . . . . . . .        _              _               29
Balance at end of year . . . . . . . . . . . . . . . .   $    _         $    365       $    420

</TABLE>


                                         S-1

<PAGE>

                             Index to Exhibits

<TABLE>
<CAPTION>
  EXHIBIT      EXHIBIT
 FOOTNOTE      NUMBER     DESCRIPTION
- -----------  -----------  -------------------------------------------------------------------------------------------
<C>          <C>          <S>
    (1)             2.1   Agreement and Plan of Reorganization, dated May 23, 1996, between Registrant and Dimension
                           Solutions.
    (1)             2.2   Stock Acquisition Agreement, dated January 1, 1997, between Registrant and BeneSphere
                           Administrators, Inc.
    (2)             3.1   Amended and Restated Certificate of Incorporation.
    (1)             3.2   Bylaws of the Registrant.
    (1)             4.1   Specimen Common Stock Certificate of Registrant.
    (1)             4.2   Amended and Restated Registration Rights Agreement, dated March 12, 1997, between
                           Registrant, General Atlantic Partners 39, L.P., GAP Coinvestment Partners, L.P. and
                           certain stockholders of Registrant.
    (1)             4.3   Warrant to Purchase Stock, dated January 13, 1995, between Registrant and Silicon Valley
                           Bank and related Antidilution and Registration Rights Agreements.
    (1)             4.4(a) Warrant to Purchase Stock, dated April 30, 1996, between Registrant and Coast Business
                           Credit and related Antidilution and Registration Rights Agreement.
    (1)             4.4(b) Warrant to Purchase Stock, dated October 25, 1996, between Registrant and Coast Business
                           Credit and related Antidilution and Registration Rights Agreement.
    (1)             4.5   Warrant to Purchase Series E Preferred Stock, dated July 31, 1996, between Registrant and
                           LINC Capital Management.
    (1)             4.6(a) Warrant Purchase Agreement, dated November 14, 1996, between Registrant and certain
                           purchasers.
    (1)             4.6(b) Warrant to Purchase Series E Preferred Stock, dated November 14, 1996, between Registrant
                           and T.J. Bristow and Elizabeth S. Bristow.
    (1)             4.6(c) Warrant to Purchase Series E Preferred Stock, dated November 14, 1996, between Registrant
                           and SDK Incorporated.
    (1)             4.6(d) Warrant to Purchase Series E Preferred Stock, dated November 14, 1996, between Registrant
                           and Laurence Shushan and Magdalena Shushan.
    (1)             4.7(a) Warrant to Purchase Common Stock, dated January 7, 1997, between Registrant and Louis R.
                           Baransky.
    (1)             4.7(b) Warrant to Purchase Common Stock, dated January 7, 1997, between Registrant and Ben W.
                           Reppond.
    (1)             4.8   Form of Note issued by Registrant on October 20, 1995 and December 12, 1995 (see also
                           Exhibit 10.12).
    (1)            10.1   Lease Agreement, dated August 12, 1992, First Amendment to Lease, dated March 23, 1994,
                           Second Amendment to Lease, dated December 9, 1994, and Third Amendment to Lease, dated
                           March 16, 1995, between Registrant and Hacienda Park Associates.
    (3)            10.2   Sublease, dated April 14, 1998, between the Registrant and Documentum, Inc.
    (1)            10.3   Lease Agreement and Addendum Number One, dated August 26, 1993, and First Amendment to
                           Lease, dated March 23, 1994, between Registrant and Hacienda Park Associates.
    (1)            10.4   Lease Agreement, dated March 23, 1994, First Amendment, dated May 25, 1994, and Second
                           Amendment, dated October 5, 1994 between Registrant and Hacienda Park Associates.
    (1)            10.5   Lease Agreement, dated November 13, 1995, and First Amendment to Lease, dated February 23,
                           1996, between Registrant and Hacienda Park Associates.
    (3)            10.6   Built-to-Suit Lease, dated September 27, 1996, and First Amendment, dated January 27, 1998,
                           between Registrant and Britannia Hacienda V Limited Partnership.
    (1)            10.7   Office Lease, dated March 22, 1996, between Benefits-Plus Administrators, Inc. and the
                           Trustees under the Will and of the Estate of James Campbell, Deceased and related Guaranty
                           of Lease.
    (3)            10.8   Sublease, dated October 10, 1997, between Registrant and Drake Mortgage Corporation.
    (3)            10.9   Build-to-Suit lease, dated January 27, 1998, between Registrant and Britannia Hacienda V
                           Limited Partnership.
    (1)           10.10   1996 Stock Option Plan and related Form of Stock Option Agreement.
    (1)           10.11   1996 Employee Stock Purchase Plan.
    (1)           10.12   Employment and Non-competition Agreement, dated May 23, 1996, between Registrant and Dwight
                           L. Jackson.
    (1)           10.13   Equipment Lease and Addendum No. 1, dated July 31, 1996, between Registrant and LINC
                           Capital Management and related Equipment Schedule.
    (1)           10.14   Form of Indemnification Agreement between Registrant and executive officers and directors.
    (1)           10.15   Loan Agreement, dated October 20, 1995, between Registrant and certain investors, and First
                           Amendment to Loan Agreement, dated December 12, 1995, between Registrant and certain
                           investors.
    (3)           10.16   Amended and Restated Loan and Security Agreement, dated June 30, 1998, between Registrant
                           and Coast Business Credit.
    (1)           10.17   Promissory Note, dated December 5, 1996, between Registrant and Robert Schneider.
    (1)           10.18   Promissory Note, dated January 7, 1997, between Registrant and Alison Elder.
    (1)           10.19   Promissory Note, dated January 31, 1997, between Registrant and Jeffrey Bizzack.
    (1)           10.20   Office Building Lease between Koll Center Irvine Number Two and Registrant, dated November
                           7, 1994, and Amendments Nos. 1 and 2 thereto.
    (1)           10.21   Lease (Full Service Office Lease), as amended by and between Callahan Pentz Properties and
                           Registrant, assigned to Registrant on February 29, 1996.
    (1)           10.22   Promissory Note, dated December 31, 1996, between BeneSphere Administrators, Inc. and
                           Alison Elder.
    (1)           10.23   Series F Stock Purchase Agreement, dated March 12, 1997, between Registrant, General
                           Atlantic Partners 39, L.P. and GAP Coinvestment Partners, L.P.
    (1)           10.24   Stockholders Agreement, dated March 12, 1997, between Registrant, General Atlantic Partners
                           39, L.P., GAP Coinvestment Partners, L.P. and Sinton (as defined therein).
    (1)           10.25   Standard Office Lease -- Gross, dated March 27, 1997, between Registrant and Westwood
                           Holdings, Inc.
    (1)           10.26   ISDA Master Agreement, dated June 10, 1997, between Registrant and First Union National
                           Bank.
    (3)           10.27   ASAP Office Services Lease, dated June 25, 1998, between Registrant and ASAP Office
                           Services.
                  13.1    Certain sections of the Annual Report to Stockholders for the fiscal year ended June 30, 
                          1998, expressly incorporated herein by reference.
</TABLE>


<PAGE>
<TABLE>
<CAPTION>
  EXHIBIT      EXHIBIT
 FOOTNOTE      NUMBER     DESCRIPTION
- -----------  -----------  -------------------------------------------------------------------------------------------
<C>          <C>          <S>
                   23.1   Consent of Ernst & Young LLP, Independent Auditors (see page 15).
</TABLE>
 
- ------------------------
 
(1) Incorporated by reference to the Registrant's Registration Statement on Form
    S-1, as amended (File No. 333-23189), declared effective on September 18,
    1997.
 
(2) Incorporated by reference from the Registrant's Registration Statement on
    Form S-8 (File No. 333-37129) filed with the Securities and Exchange
    Commission on October 3, 1998.
 
(3) Incorporated by reference from the Registrant's Registration Statement on 
    Form S-1, as amended (File No. 333-60745), declared effective on 
    September 24, 1998.

With the exception of the information incorporated by reference to the Annual
Report to Stockholders in Items 6, 7 & 8 of Part II and Item 14 of Part IV of
this 10-K, the Company's 1998 Annual Report to Stockholders is not to be deemed
filed as a part of this Report.





<PAGE>

                                                       >  FINANCIAL HIGHLIGHTS


DOLLARS IN THOUSANDS EXCEPT PER SHARE AMOUNTS AS OF 6.30

<TABLE>
<CAPTION>
                                                  1994           1995           1996           1997           1998
<S>                                               <C>            <C>            <C>            <C>            <C>
Revenue                                           $ 4,069        $7,095        $ 13,863       $ 27,374        $ 46,317

Loss from operations                               (1,431)         (893)         (1,982)        (5,114)         (6,712)

Net loss                                           (1,477)         (979)         (2,386)        (6,245)         (6,517)

Gross margin                                        2,440         4,392           7,428         13,715          22,458

Operating profit before client acquisition 
     costs                                             36         2,050           4,117          6,592          11,146

Pro forma basic and diluted net loss 
     per share                                                                                   (0.59)          (0.41)

Shares used in computing pro forma basic 
     and diluted net loss per share                                                             10,533          15,722

Total assets                                        2,019         4,134         117,228        200,435         376,009

Payroll tax funds invested                             --            --         106,339        177,626         332,667
</TABLE>





                     NINETY EIGHT   3  PROBUSINESS SERVICES, INC.

<PAGE>

                                       >  MANAGEMENT'S DISCUSSION AND ANALYSIS

     The following Management's Discussion and Analysis of Financial Condition
and Results of Operations contains forward-looking statements that involve risks
and uncertainties. The Company's actual results could differ materially from
those anticipated in these forward-looking statements. Potential risks and
uncertainties include, among others, those set forth under "Overview" and
"Additional Factors That May Affect Future Results" included in this
Management's Discussion and Analysis. The following discussion also should be
read in conjunction with the Financial Statements and Notes thereto included
elsewhere in this Annual Report.

                                       OVERVIEW

     ProBusiness Services, Inc. is a leading provider of employee administrative
services for large employers. The Company's primary service offerings are
payroll processing, payroll tax filing, benefits administration, including the
enrollment and processing of flexible benefits plans and COBRA programs, and
human resources software. The Company's proprietary PC-based payroll system
offers the cost-effective benefits of outsourcing and high levels of client
service, while providing the flexibility, control, customization and integration
of an in-house system.
     The Company derives its revenue from fees charged to clients for services
and income earned from investing payroll tax funds. Since 1994, the Company has
experienced significant growth of its revenue, client base and average client
size. Revenue increased from $13.9 million in fiscal 1996 to $46.3 million in
fiscal 1998. From June 30, 1996, to June 30, 1998, the client base for payroll
processing services increased from 310 to 510 clients, while the average size of
the Company's payroll clients increased from approximately 620 employees to
approximately 1,100 employees. The number of checks that the Company processed
for its payroll clients increased from 2.9 million to 4.3 million for the
quarters ended June 30, 1997 and 1998, respectively. As of June 30, 1998, the
Company provided services to approximately 1,400 clients. The Company's revenue
growth is primarily due to continued growth in its client base, the introduction
of its payroll tax service in fiscal 1996, an increase in the average size of
its clients, the introduction of new features and other services, and a high
retention rate of existing payroll clients (approximately 92% for fiscal 1998).
The Company does not anticipate it will sustain this rate of growth in the
future.
     The establishment of new client relationships involves lengthy and
extensive sales and implementation processes. The sales process generally takes
three to twelve months or longer, and the implementation process generally takes
an additional three to nine months or longer. In addition, the Company's revenue
is subject to significant seasonal fluctuations, with the largest percentage of
annual revenue being realized in the third and fourth fiscal quarters, primarily
due to new clients beginning services in the beginning of the tax year (the
Company's third fiscal quarter) and higher interest income earned on tax funds.
Further, the Company's operating expenses are typically higher as a percentage
of revenue in the first and second fiscal quarters as the Company increases
personnel to acquire new clients and to implement and provide services to such
new clients, a large percentage of which begin services in the third quarter.
The Company expects this pattern to continue. The Company has experienced
significant operating losses since its inception and expects to incur
significant operating losses in the future due to continued client acquisition
costs, investments in research and development and costs associated with
expanding its sales efforts and operations to new geographic regions.  As of
June 30, 1998, the company had an accumulated deficit of approximately
$25.5 million.  There can be no assurance that the Company will achieve or
sustain profitability in the future.
     The Company's cost of providing services consists primarily of ongoing
account management, tax and benefits administration operations and production
costs, and, to a lesser extent, amortization of capitalized software development
costs. General and administrative expenses consist primarily of personnel costs,
professional fees and other overhead costs for finance and corporate services.
Research and development expenses consist primarily of personnel costs. Client
acquisition costs consist of sales and implementation expenses and, to a lesser
extent, marketing expenses.
     In January 1997, the Company acquired all of the outstanding capital stock
of BeneSphere Administrators, Inc. for an initial purchase price of $3.1
million, with up to an additional $4.5 million to be paid in quarterly
installments, beginning April 1998 through January 2000, if certain financial
performance conditions are met. As of June 30, 1998, and in connection with the
financial performance conditions, $2.2 million of the  $4.5 million additional
purchase price had been earned.  In May 1996, the Company acquired substantially
all of the business and assets of Dimension Solutions for a purchase price of
$1.3 million. In connection with the acquisition of Dimension Solutions, the
Company recorded a one-time charge of $711,000 in fiscal 1996 relating to the
purchase of in-process technology.


                     NINETY EIGHT  19  PROBUSINESS SERVICES, INC.
<PAGE>

                                       >  MANAGEMENT'S DISCUSSION AND ANALYSIS

The following table sets forth certain financial data as a percentage of revenue
for the periods indicated:

                            STATEMENTS OF OPERATIONS DATA

RESULTS OF OPERATIONS AS OF 6.30

<TABLE>
<CAPTION>
                                                  1996                 1997               1998
<S>                                              <C>                  <C>                <C>
Revenue                                          100.0%               100.0%              100.0%

OPERATING EXPENSES:
  Cost of providing services                       46.4                49.9                51.5
  General and administrative expenses              14.8                15.6                14.5
  Research and development expenses                 9.1                10.4                 9.9
  Client acquisition costs                         38.9                42.8                38.6
  Acquisition of in-process technology              5.1                 --                   --
- ------------------------------------------------------------------------------------------------
Total operating expenses                          114.3               118.7               114.5
- ------------------------------------------------------------------------------------------------
Loss from operations                              (14.3)              (18.7)              (14.5)
Interest expense                                   (3.4)               (4.3)               (1.2)
Other income                                        0.5                 0.2                 1.6
- ------------------------------------------------------------------------------------------------
Net loss                                          (17.2)%             (22.8)%             (14.1)%
- ------------------------------------------------------------------------------------------------

</TABLE>

REVENUE
Revenue increased 69.2% in fiscal 1998 and increased 97.5% in fiscal 1997,
primarily due to increases in the number and average size of the Company's
payroll and tax clients, and, to a lesser extent, the introduction of the
Company's benefits administration services in January 1997 which were included
in the Company's results for the full year in fiscal 1998. Interest income
earned on payroll tax funds invested was $11.5 million, $5.9 million and $1.9
million in fiscal 1998, 1997 and 1996, respectively. The increases were
primarily the result of higher average daily payroll tax fund balances.

COST OF PROVIDING SERVICES
     Cost of providing services increased 74.7% in fiscal 1998 and 112.3% in
fiscal 1997 and increased as a percentage of revenue to 51.5% in fiscal 1998,
compared with 49.9% in fiscal 1997 and 46.4% in fiscal 1996. The increases in
absolute dollars were primarily due to the year-over-year increase in clients
serviced. The increases as a percentage of revenue in fiscal 1998 and fiscal
1997 were primarily due to building management infrastructure in the Company's
benefits operations and opening the Company's production facility in Irvine,
California in fiscal 1998.

GENERAL AND ADMINISTRATIVE EXPENSES
     General and administrative expenses increased 57.1% in fiscal 1998 and
108.5% in fiscal 1997. The increases in absolute dollars were primarily due to
the hiring of additional management and administrative personnel to support the
Company's growth, and, to a lesser extent, to costs associated with the
Company's benefits administration services which were introduced in January 1997
and included in general and administrative expenses for the full year in fiscal
1998.

RESEARCH AND DEVELOPMENT EXPENSES
     Research and development expenses increased 61.4% in fiscal 1998 and 126.0%
in fiscal 1997. Research and development expenses as a percentage of revenue
represented 9.9% in fiscal 1998 compared with 10.4% in fiscal 1997 and 9.1% in
fiscal 1996. The increases in absolute dollars were primarily a result of
increases in personnel and equipment to develop enhancements and new features to
the Company's existing services. Research and development expenses decreased as
a percentage of revenue in fiscal 1998 due in part to higher revenue and an
increase in the amount of expenses capitalized.  Capitalized software
development costs were $3.9 million, $1.4 million and  $645,000 for fiscal 1998,
1997 and 1996, respectively.

CLIENT ACQUISITION COSTS
     Client acquisition costs increased 52.6% in fiscal 1998 and 117.3% in
fiscal 1997. The increases in absolute dollars were primarily due to the
expanded sales and implementation force for payroll and stand-alone tax services
and expenses related to the Company's benefits administration services
introduced in January 1997 and included in client acquisition costs for the full
year in fiscal 1998.


                     NINETY EIGHT  20  PROBUSINESS SERVICES, INC.
<PAGE>

INTEREST EXPENSE
     Interest expense decreased 53.2% in fiscal 1998 and increased 151.6% in
fiscal 1997. The decrease in interest expense in fiscal 1998 was primarily due
to the repayment of subordinated debt and repayment of borrowings under the
Company's secured revolving line of credit with proceeds from the Company's
initial public offering in September 1997. The increase in interest expense in
fiscal 1997 was primarily due to increased borrowing under the Company's line of
credit, the issuance of promissory notes to certain investors in October and
December 1995 and an increased amount of capitalized equipment leases.

OTHER INCOME
     Other income increased as a percentage of revenue to 1.6% in fiscal 1998
from 0.2% in fiscal 1997. The increase in other income as a percentage of
revenue was due to higher cash and investment balances resulting from the
Company's initial public offering in September 1997 when compared to the same
period the prior year.

LIQUIDITY AND CAPITAL RESOURCES

     Since inception, the Company has financed its operations primarily through
a combination of sales of equity securities, private debt and bank borrowings,
and, to a lesser extent, equipment leases. Prior to its initial public offering
of common stock, the Company raised approximately $23.4 million in private sales
of equity securities and raised approximately $27.0 million from the initial
public offering in September 1997.
     At June 30, 1998, the Company had approximately $13.8 million of cash and
cash equivalents and a $20.0 million secured revolving line of credit, which
expires in December 2000. At June 30, 1998, the Company had no outstanding
borrowings under the line of credit.
     Net cash provided by operating activities for fiscal 1998 was $3.6 million
and net cash used in operating activities for fiscal 1997 and 1996 was $4.1
million and $202,000, respectively. Net cash provided by operating activities in
fiscal 1998 was primarily the result of increases in accrued liabilities,
depreciation and deferred revenue, and decreases in other assets in fiscal 1998,
partially offset by an increase in prepaid expenses and other current assets.
Net cash used in operating activities in fiscal 1997 was primarily the result of
an increase in net losses and, to a lesser extent, increases in accounts
receivable and other assets, partially offset by depreciation and amortization
and an increase in accrued liabilities.
     Net cash used in investing activities was $14.3 million, $4.7 million and
$3.3 million for fiscal 1998, 1997 and 1996, respectively.   Net cash used in
investing activities in fiscal 1998 resulted primarily from (i) capital
expenditures for equipment, furniture and fixtures to support the Company's
increased personnel, (ii) the move of the Company's corporate headquarters in
early fiscal 1998 and (iii) the establishment of the Company's Irvine production
facility in early fiscal 1998. In addition, the Company capitalized software
development costs of $3.9 million, $1.4 million and $645,000 in fiscal 1998,
1997 and 1996, respectively. The Company expects to make additional capital
expenditures for furniture, equipment and fixtures to support the continued
growth of its operations. In addition, the Company anticipates that it will
continue to expend funds for software development in the future.
     Net cash provided by financing activities was $19.5 million, $9.8 million
and $6.7 million for fiscal 1998, 1997 and 1996, respectively. Net cash provided
by financing activities for fiscal 1998 related primarily to $27.0 million of
net proceeds from the Company's initial public offering of common stock and
$959,000 from the exercise of warrants. The increase was partially offset by the
payment of $3.9 million of outstanding subordinated debt and the net repayment
of $4.8 million of borrowings under the Company's secured revolving line of
credit. Net cash provided by financing activities for fiscal 1997 was primarily
a result of $9.9 million of net proceeds from the issuance of preferred stock in
March 1997. Net cash provided by financing activities for fiscal 1996 was
primarily the result of $4.0 million from subordinated debt and net proceeds of
$2.5 million from borrowings under line-of-credit agreements.
     The Company believes that existing cash balances, amounts available under
its current credit facility and anticipated cash flows from operations will be
sufficient to meet its working capital and capital expenditure requirements for
at least the next 12 months. On August 12, 1998, the Company filed a
Registration Statement with the Securities and Exchange Commission relating to
the registration for public offering of common stock with a proposed maximum
aggregate offering price of up to $110,000,000. The Company may also utilize
cash to acquire or invest in complementary businesses or to obtain the right to
use complementary technologies, although the Company does not have any pending
plans to do so. The Company may sell additional equity or debt securities or
obtain additional credit facilities.


                     NINETY EIGHT 21 PROBUSINESS SERVICES, INC.
<PAGE>
                                       >  MANAGEMENT'S DISCUSSION AND ANALYSIS

ADDITIONAL FACTORS THAT MAY AFFECT FUTURE RESULTS

OPERATING LOSSES; NEED TO COMMIT TO EXPENSES IN ADVANCE OF REVENUE
     The Company has experienced significant operating losses since its
inception and expects to incur significant operating losses in the future due to
continued client acquisition costs, investments in research and development and
costs associated with expanding its sales efforts and operations to new
geographic regions. As of June 30, 1998, the Company had an accumulated deficit
of approximately $25.5 million. The establishment of new client relationships
involves lengthy and extensive sales and implementation processes. The sales
process generally takes three to twelve months or longer, and the implementation
process generally takes an additional three to nine months or longer. In
connection with the acquisition of each new client, the Company incurs
substantial client acquisition costs, which consist primarily of sales and
implementation expenses and, to a lesser extent, marketing expenses. The
Company's ability to achieve profitability will depend in part upon its ability
to attract and retain new clients, offer new services and features and achieve
market acceptance of new services. There can be no assurance that the Company
will achieve or sustain profitability in the future. The Company has made
acquisitions of businesses in the past and intends to pursue acquisitions in the
future. In connection with acquisitions, the Company has in the past incurred
and will likely incur in the future costs associated with adding personnel,
integrating technology, increasing overhead to support the acquired businesses,
acquiring in-process technology and amortization expenses related to intangible
assets. Any future acquisitions could have a material adverse effect on the
Company's business, financial condition and results of operations.

SEASONALITY; FLUCTUATIONS IN QUARTERLY RESULTS
     The Company's business is characterized by significant seasonality. As a
result, the Company's revenue has been subject to significant seasonal
fluctuations, with the largest percentage of annual revenue being realized in
the third and fourth fiscal quarters, primarily due to new clients beginning
services in the beginning of the tax year (the Company's third fiscal quarter)
and higher interest income earned on payroll tax funds invested. Further, the
Company's operating expenses are typically higher as a percentage of revenue in
the first and second fiscal quarters as the Company increases personnel to
acquire new clients and to implement and provide services to such new clients, a
large percentage of which begin services in the third quarter.
     The Company's quarterly operating results have in the past and will in the
future vary significantly depending on a variety of factors, including the
number and size of new clients starting services, the decision of one or more
clients to delay or cancel implementation or ongoing services, interest rates,
seasonality, the ability of the Company to design, develop and introduce new
services and features for existing services on a timely basis, costs associated
with strategic acquisitions and alliances or investments in technology, the
success of any such strategic acquisition, alliance or investment, costs to
transition to new technologies, expenses incurred for geographic expansion,
risks associated with payroll tax and benefits administration services, price
competition, a reduction in the number of employees of its clients and general
economic factors. Revenue from new clients typically represents a significant
portion of quarterly revenue in the third and fourth fiscal quarters. A
substantial majority of the Company's operating expenses, particularly personnel
and related costs, depreciation and rent, is relatively fixed in advance of any
particular quarter. The Company's agreements with its clients generally do not
have significant penalties for cancellation. As a result, any decision by a
client to delay or cancel implementation of the Company's services or the
Company's underutilization of personnel may cause significant variations in
operating results in a particular quarter and could result in losses for such
quarter. As the Company secures larger clients, the time required for
implementing the Company's services increases, which could contribute to larger
fluctuations in revenue. Interest income earned from investing payroll tax
funds, which is a significant portion of the Company's revenue, is vulnerable to
fluctuations in interest rates. In addition, the Company's business may be
affected by shifts in the general condition of the economy, client staff
reductions, strikes, acquisitions of its clients by other companies and other
downturns. There can be no assurance that the Company's future revenue and
results of operations will not vary substantially. It is possible that in some
future quarter the Company's results of operations will be below the
expectations of public market analysts and investors. In either case, the market
price of the Company's Common Stock could be materially adversely affected.

RISKS ASSOCIATED WITH STRATEGIC ACQUISITIONS AND INVESTMENTS
     While the Company has no current agreements or negotiations underway with
respect to any acquisition of, or investment in, businesses that provide
complementary services or technologies to those of the Company, the Company
intends to make additional acquisitions of, and investments in, such businesses.
There can be no assurance that any future acquisition will be completed or that,
if completed, will be effectively assimilated into the Company's business.


                     NINETY EIGHT  22  PROBUSINESS SERVICES, INC.
<PAGE>

In addition, future acquisitions could result in the issuance of dilutive equity
securities, the incurrence of debt or contingent liabilities, and amortization
expenses related to goodwill and other intangible assets, any of which could
have a material adverse effect on the Company's business, financial condition
and results of operations. Furthermore, there can be no assurance that any
strategic investment will succeed. The initial cost of such an investment or the
failure of such an investment to succeed could have a material adverse effect on
the Company's business, financial condition and results of operations.

RISKS ASSOCIATED WITH PAYROLL TAX FILING SERVICE AND BENEFITS ADMINISTRATION
SERVICES
     The Company's payroll tax filing service is subject to various risks
resulting from errors and omissions in filing client tax returns and paying tax
liabilities owed to tax authorities on behalf of clients. The Company's clients
transfer to the Company contributed employer and employee tax funds. The Company
processes the data received from the client and remits the funds along with a
tax return to the appropriate tax authorities when due. Tracking, processing and
paying such tax liabilities is complex. Errors and omissions have occurred in
the past and may occur in the future in connection with such service. The
Company is subject to large cash penalties imposed by tax authorities for late
filings or underpayment of taxes. To date, such penalties have not been
significant. However, there can be no assurance that any liabilities associated
with such penalties will not have a material adverse effect on the Company's
business, financial condition and results of operations. There can be no
assurance that the Company's reserves or insurance for such penalties will be
adequate. In addition, failure by the Company to make timely or accurate tax
return filings or pay tax liabilities when due on behalf of clients may damage
the Company's reputation and could adversely affect its relationships with
existing clients and its ability to gain new clients.
     The Company's payroll tax filing service is also dependent upon government
regulations, which are subject to continual changes. Failure by the Company to
implement these changes into its services and technology in a timely manner
would have a material adverse effect on the Company's business, financial
condition and results of operations. In addition, since a significant portion of
the Company's revenue is derived from interest earned from investing on
collected but unremitted payroll tax funds, changes in policies relating to
withholding federal or state income taxes or reduction in the time allowed for
taxpayers to remit payment for taxes owed to government authorities would have a
material adverse effect on the Company's business, financial condition and
results of operations.
     The Company's benefits administration services are subject to various risks
resulting from errors and omissions in processing and filing COBRA or other
benefit plan forms in accordance with governmental regulations and the
respective plans. The Company processes data received from employees and
employers and is subject to penalties for any late or misfiled plan forms. There
can be no assurance the Company's reserves or insurance for such penalties will
be adequate. In addition, failure to properly file plan forms would have a
material adverse effect on the Company's reputation, which could adversely
affect its relationships with existing clients and its ability to gain new
clients. The Company's benefits administration services are also dependent upon
government regulations which are subject to continuous changes that could reduce
or eliminate the need for benefits administration services.
     The Company has access to confidential information and to client funds. As
a result, the Company is subject to potential claims by its clients for the
actions of the Company's employees arising from damages to the client's business
or otherwise. There can be no assurance that the Company's fidelity bond and
errors and omissions insurance will be adequate to cover any such claims. Such
claims could have a material adverse effect on the Company's business, financial
condition and results of operations.

INVESTMENT RISKS
     The Company invests funds, including payroll tax funds transferred to it by
clients, until the Company remits the funds to tax authorities when due. The
Company typically invests these funds in short-term financial instruments such
as overnight U.S. government direct and agency obligations repurchase
agreements, commercial paper rated A1 and/or P1 and money market funds with an
underlying credit quality of AA or better. These investments are exposed to
several risks, including credit risks from the possible inability of the
borrowers to meet the terms of their obligations under the financial
instruments. The Company would be liable for any losses on such investments.
     Interest income earned from investing these funds represents a significant
portion of the Company's revenues. As a result, the Company's business,
financial condition and results of operations are significantly impacted by
interest rate fluctuations. The Company enters into interest rate swap
agreements to minimize the impact of interest rate fluctuations. There can be no
assurance, however, that the Company's swap agreements will protect the Company
from all interest rate risks. Under certain circumstances if interest rates
rise, the Company would have payment obligations under its interest rate swap
agreements which may not be offset by interest earned by the Company on


                     NINETY EIGHT  23  PROBUSINESS SERVICES, INC.
<PAGE>

                                         >  MANAGEMENT'S DISCUSSION AND ANALYSIS

deposited funds. A payment obligation under the Company's swap agreements could
have a material adverse effect on the Company's business, financial condition
and results of operations. In addition, there can be no assurance that the
Company would have sufficient funds to meet any such swap payment obligations. A
default by the Company under its swap agreements could result in acceleration
and setoff by the bank of all outstanding contracts under the swap agreement,
and could result in cross-defaults of other debt agreements of the Company, any
of which could have a material adverse effect on the Company's business,
financial condition and results of operations.

MANAGEMENT OF GROWTH
     The Company's business has grown significantly in size and complexity over
the past four years. The Company's number of employees has increased from 325 at
the end of fiscal 1997 to 500 at the end of fiscal 1998. This growth has placed,
and is expected to continue to place, significant demands on the Company's
management, systems, internal controls, and financial and physical resources. In
order to meet such demands, the Company intends to continue to hire new
employees, open new offices to attract clients in new geographic regions,
increase expenditures on research and development, and invest in new equipment
and make other capital expenditures. In addition, the Company expects that it
will need to develop further its financial and managerial controls and reporting
systems and procedures to accommodate any future growth. Failure to expand any
of the foregoing areas in an efficient manner could have a material adverse
effect on the Company's business, financial condition and results of operations.
The Company intends to open a satellite sales and implementation center in New
Jersey by the end of calendar 1998 and may open additional sales offices in the
future. In addition, the Company intends to move its benefits administration
center from its current location in Bellevue, Washington to another location
there, and the Company has leased additional office space to be built adjacent
to its Pleasanton headquarters. There can be no assurance that the Company will
be able to establish such facilities on a timely basis. The Company's growth may
depend to some extent on its ability to successfully complete strategic
acquisitions or investments to expand or complement its existing business. There
can be no assurance that suitable acquisitions or investments can be identified,
consummated or successfully integrated into the Company's operations. Any
inability to manage growth effectively could have a material adverse effect on
the Company's business, financial condition and results of operations.

RISKS ASSOCIATED WITH THE DEVELOPMENT AND INTRODUCTION OF NEW OR ENHANCED
SERVICES; RISKS OF SOFTWARE DEFECTS
     The technologies in which the Company has invested to date are rapidly
evolving and have short life cycles, which requires the Company to anticipate
and rapidly adapt to technological changes. In addition, the Company's industry
is characterized by increasingly sophisticated and varied needs of clients,
frequent new service and feature introductions and emerging industry standards.
The introduction of services embodying new technologies and the emergence of new
industry standards and practices can render existing services obsolete and
unmarketable. The Company's future success will depend, in part, on its ability
to develop or acquire advanced technologies, enhance its existing services with
new features, add new services that address the changing needs of its clients,
and respond to technological advances and emerging industry standards and
practices on a timely and cost-effective basis. Several of the Company's
competitors invest substantially greater amounts in research and development
than the Company, which may allow them to introduce new services or features
before the Company. Even if the Company is able to develop or acquire new
technologies in a timely manner, it may incur substantial costs in developing or
acquiring such technologies and in deploying new services and features to its
clients, including costs associated with acquiring in-process technology,
amortization expenses related to intangible assets and costs of additional
personnel. If the Company is unable to develop or acquire and successfully
introduce new services and new features of existing services in a timely or
cost-effective manner, the Company's business, financial condition and results
of operations could be materially adversely affected.
     Application software used by the Company may contain defects or failures
when introduced or when new versions or enhancements are released. The Company
has in the past discovered software defects in certain of its applications, in
some cases only after its systems have been used by clients. There can be no
assurance that future defects will not be discovered in existing or new
applications or releases. Any such occurrence could have a material adverse
effect upon the Company's business, financial condition and results of
operations.

DISASTER RECOVERY; RISK OF LOSS OF CLIENT DATA
     The Company currently conducts substantially all of its payroll and payroll
tax processing at the Company's headquarters in Pleasanton, California and
divides the payroll printing and finishing between its Pleasanton and Irvine,
California facilities. The Irvine facility serves both as an alternative
processing center and a back-up payroll center. The Company's benefits
administration services are conducted solely in Bellevue, Washington, and no
benefits


                     NINETY EIGHT  24  PROBUSINESS SERVICES, INC.
<PAGE>

administration back-up facility exists. The Company establishes for each payroll
client a complete set of payroll data at the Pleasanton processing center, as
well as at the client's site. In the event of a disaster in Pleasanton, clients
would have the ability to process payroll checks based on the data they have on
site if necessary. There can be no assurance that the Company's disaster
recovery procedures are sufficient or that the payroll data recovered at the
client site would be sufficient to allow the client to calculate and produce
payroll in a timely fashion.
     The Company's operations are dependent on its ability to protect its
computer systems against damage from a major catastrophe (such as an earthquake
or other natural disaster), fire, power loss, security breach,
telecommunications failure or similar event. No assurance can be given that the
precautions that the Company has taken to protect itself from or minimize the
impact of such events will be adequate. Any damage to the Company's data
centers, failure of telecommunications links or breach of the security of the
Company's computer systems could result in an interruption of the Company's
operations or other loss which may not be covered by the Company's insurance.
Any such event could have a material adverse effect on the Company's business,
financial condition and results of operations.

RISKS ASSOCIATED WITH GEOGRAPHIC EXPANSION
     A substantial majority of the Company's revenue historically has been
derived from clients located in the western United States. The Company's ability
to achieve significant future revenue growth will in large part depend on its
ability to gain new clients throughout the United States. By the end of calendar
1998, the Company intends to open a satellite sales and implementation center in
New Jersey to service the eastern United States. The Company may open additional
sales offices in the future. Due to the time required to sell and implement the
Company's services and the fixed costs associated with opening a new center, any
revenue associated with a new center will be significantly lower than the costs
associated with it, potentially for a significant period of time. Growth and
geographic expansion have resulted in new and increased responsibilities for
management personnel and have placed and continue to place a significant strain
on the Company's management and operating and financial systems. The Company
will be required to continue to implement and improve its systems on a timely
basis and in such a manner as is necessary to accommodate the increased number
of transactions and clients and the increased size of the Company's operations.
Any failure to implement and improve the Company's systems or to hire and retain
the appropriate personnel to manage its operations would have a material adverse
effect on the Company's business, financial condition and results of operations.
In addition, an increase in the Company's operating expenses from its planned
expansion will have a material adverse effect on the Company's business,
financial condition and results of operations if revenue does not increase to
support such expansion.

IMPACT OF YEAR 2000 COMPLIANCE
     Many currently installed computer systems and software products are coded
to accept only two-digit entries in the date code field. Beginning in 2000,
these date code fields will need to accept four-digit entries in order to
distinguish 21st century dates from 20th century dates. As a result, computer
systems and/or software used by many companies will need to be upgraded to
comply with "Year 2000" requirements by the end of 1999. Significant uncertainty
exists in the software industry concerning the potential effects associated with
such compliance issues.
     The Company has conducted a preliminary review of its internal computer
systems to identify the systems that could be affected by the Year 2000 issue
and to develop a plan to make its systems Year 2000 compliant. Based on this
preliminary review, the Company has discovered certain failures to comply with
Year 2000 requirements. The Company is taking action to correct the noncomplying
features of its systems, and the Company believes that its internal software
systems will be Year 2000 compliant by 2000. There can be no assurance, however,
that the Company's systems will be fully Year 2000 compliant in a timely manner,
and a failure by the Company to make its internal systems Year 2000 compliant
could have a material adverse effect on the Company's business, financial
condition and results of operations. The Company has not determined an estimate
of the costs required to correct the noncomplying features, and the Company does
not currently have a contingency plan in the event that it is unable to make its
systems Year 2000 compliant. Additionally, the costs of making such systems Year
2000 compliant could have a material adverse effect on the Company's business,
financial condition and results of operations.
     The Company believes that its current products are, and future products
will be, fully Year 2000 compliant. The Company's past software products, many
of which are currently used by clients, are not Year 2000 compliant. The Company
has begun the process of transitioning existing clients to its Year 2000
compliant products; however, there can be no assurance that the Company will be
successful in providing all of its clients with Year 2000 compliant products by
2000.  Any failure by the Company to transition its clients to Year 2000
compliant products could have a material adverse effect on the Company's
business, financial condition and results of operations. In addition, there can
be no assurance that Year 2000 errors or defects will not be discovered in the
Company's current and future products.


                     NINETY EIGHT  25  PROBUSINESS SERVICES, INC.
<PAGE>

                                         >  MANAGEMENT'S DISCUSSION AND ANALYSIS

     The Company is not assessing the Year 2000 compliance of its clients'
systems or the possible effects on its operations of the Year 2000 compliance of
its clients' systems. Due to the substantial integration between the Company's
computer systems and its clients' systems, the failure by the Company's clients
to have Year 2000 compliant systems could have a material adverse effect on the
Company's business, financial condition and results of operations. The Company
is assessing the possible effects on its operations of the Year 2000 readiness
of key suppliers and subcontractors. The Company's reliance on suppliers and
subcontractors, and, therefore, on the proper functioning of their information
systems and software, means that failure by such suppliers and subcontractors to
address Year 2000 issues could have a material adverse effect on the Company's
business, financial condition and results of operations.

LIMITATIONS ON PROTECTION OF INTELLECTUAL PROPERTY AND PROPRIETARY RIGHTS
     The Company's success is dependent in part upon its proprietary software
technology. The Company has no patents, patent applications or registered
copyrights. The Company relies on a combination of contract, copyright and trade
secret laws to establish and protect its proprietary technology. The Company
distributes its services under software license agreements that grant clients
licenses to use the Company's services and contain various provisions protecting
the Company's ownership and the confidentiality of the underlying technology.
The Company generally enters into confidentiality and/or license agreements with
its employees and existing and potential clients, and limits access to and
distribution of its software, documentation and other proprietary information.
There can be no assurance that the steps taken by the Company in this regard
will be adequate to deter misappropriation or independent third-party
development of the Company's technology. There can be no assurance that the
Company's services and technology do not infringe any existing patents,
copyrights or other proprietary rights of others, or that third parties will not
assert infringement claims in the future. If any such claims are asserted and
upheld, the costs of defense could be substantial and any resulting liability to
the Company could have a material adverse effect on the Company's business,
financial condition and results of operations.

SAFE HARBOR FOR FORWARD-LOOKING STATEMENTS
     Forward-looking statements contained in this Annual Report are subject to
the safe harbor created by the Private Securities Litigation Reform Act of 1995
and are highly dependent upon a variety of important factors that could cause
actual results to differ materially from those reflected in such forward-looking
statements. When used in this document and documents referenced herein, the
words "intend," "anticipate," "believe," "estimate," and "expect" and similar
expressions as they relate to the Company are included to identify such
forward-looking statements. These forward-looking statements include statements
regarding the demand for outsourcing employee administrative services; the
Company's expansion of its client base; the Company's intention to increase its
direct sales force; the development of a comprehensive and fully integrated
suite of employee administrative services; the Company's ability to offer
additional services; the initiation or completion of any strategic acquisition,
investment or alliance; the Company's ability to extend its technology
leadership; the Company's ability to attract and retain new clients; market
acceptance of any new services offered by the Company; the Company's ability to
minimize the impact of interest rate fluctuations; the Company's ability to
develop its financial and managerial controls and systems; the opening of
additional facilities; the sufficiency of the Company's back-up facilities and
disaster recovery procedures; the Company's ability to develop or acquire new
technologies; the Company's ability to attract and retain experienced employees;
the ability of the Company to make its internal system Year 2000 compliant and
to transition its clients to a Year 2000 compliant system; the Company's ability
to maintain a high payroll client retention rate and the Company's ability to
increase its national presence. These forward-looking statements are based
largely on the Company's current expectations and are subject to a number of
risks and uncertainties, including without limitation, those identified under
"Additional Factors That May Affect Future Results" and elsewhere in this Annual
Report and other risks and uncertainties indicated from time to time in the
Company's filings with the Securities and Exchange Commission. Actual results
could differ materially from these forward-looking statements. In addition,
important factors to consider in evaluating such forward-looking statements
include changes in external market factors, changes in the Company's business or
growth strategy or an inability to execute its strategy due to changes in its
industry or the economy generally, the emergence of new or growing competitors
and various other competitive factors. In light of these risks and
uncertainties, there can be no assurance that the forward-looking statements
contained in this Annual Report will in fact occur.


                     NINETY EIGHT  26  PROBUSINESS SERVICES, INC.
<PAGE>

                                                               >  BALANCE SHEETS



                                       ASSETS

DOLLARS IN THOUSANDS EXCEPT SHARE AND PER SHARE AMOUNTS AS OF 6.30
<TABLE>
<CAPTION>
                                                        1997             1998
<S>                                                <C>             <C>
CURRENT ASSETS:
     Cash and cash equivalents                     $   5,047       $   13,771
     Accounts receivable, net of allowance
        of $365,000 at June 30, 1997 and
        $420,000 at June 30, 1998                      2,476            2,612
     Prepaid expenses and other current assets           643            2,122
- ------------------------------------------------------------------------------
                                                       8,166           18,505
Payroll tax funds invested                           177,626          332,667
- ------------------------------------------------------------------------------
Total current assets                                 185,792          351,172
Equipment, furniture and fixtures, net                 7,623           13,958
Other assets                                           7,020           10,879
- ------------------------------------------------------------------------------
Total assets                                       $ 200,435        $ 376,009
- ------------------------------------------------------------------------------

<CAPTION>
                        LIABILITIES AND STOCKHOLDERS' EQUITY

DOLLARS IN THOUSANDS EXCEPT SHARE AND PER SHARE AMOUNTS AS OF 6.30
                                                        1997             1998
<S>                                                <C>             <C>
CURRENT LIABILITIES:
     Accounts payable                              $   1,089        $   1,750
     Accrued liabilities                               4,984           10,403
     Deferred revenue                                  1,279            2,139
     Current portion of capital lease obligations        773              890
- ------------------------------------------------------------------------------
                                                       8,125           15,182

Payroll tax funds collected but unremitted           177,626          332,667
- ------------------------------------------------------------------------------
Total current liabilities                            185,751          347,849
Note payable to stockholder                              250               --
Long-term debt                                         8,667               --
Capital lease obligations, less current portion        1,898            1,414
Commitments
STOCKHOLDERS' EQUITY:
     Preferred stock, $.001 par value; authorized:
        5,000,000 shares; issued and outstanding:
        3,228,034 shares at June 30, 1997                  3               --

     Common stock, $.001 par value; authorized:
        60,000,000 shares; issued and outstanding:
        2,295,416 shares at June 30, 1997 and
        17,114,855 shares at June 30, 1998                 2               17
     Additional paid-in capital                       23,904           53,286
     Accumulated deficit                             (18,952)         (25,469)
     Notes receivable from stockholders               (1,088)          (1,088)
- ------------------------------------------------------------------------------
Total stockholders' equity                             3,869           26,746
- ------------------------------------------------------------------------------
Total liabilities and stockholders' equity         $ 200,435        $ 376,009
- ------------------------------------------------------------------------------
</TABLE>

SEE ACCOMPANYING NOTES.


                     NINETY EIGHT  27  PROBUSINESS SERVICES, INC.
<PAGE>

                                                     >  STATEMENTS OF OPERATIONS



DOLLARS IN THOUSANDS EXCEPT SHARE AND PER SHARE AMOUNTS AS OF 6.30
<TABLE>
<CAPTION>
                                                                                           1996           1997           1998
<S>                                                                                    <C>            <C>            <C>
Revenue                                                                                $ 13,863       $ 27,374       $ 46,317
OPERATING EXPENSES:
   Cost of providing services                                                             6,435         13,659         23,859
   General and administrative expenses                                                    2,054          4,282          6,727
   Research and development expenses                                                      1,257          2,841          4,585
   Client acquisition costs                                                               5,388         11,706         17,858
   Acquisition of in-process technology                                                     711             --             --
- ------------------------------------------------------------------------------------------------------------------------------
Total operating expenses                                                                 15,845         32,488         53,029
- ------------------------------------------------------------------------------------------------------------------------------
Loss from operations                                                                     (1,982)        (5,114)        (6,712)
Interest expense                                                                           (473)        (1,190)          (557)
Other income                                                                                 69             59            752
- ------------------------------------------------------------------------------------------------------------------------------
Net loss                                                                               $ (2,386)      $ (6,245)      $ (6,517)
- ------------------------------------------------------------------------------------------------------------------------------
Historical basic and diluted net loss per share (Note 1)                               $  (4.91)
- ------------------------------------------------------------------------------------------------------------------------------
Shares used in computing historical basic and diluted net loss per share (Note 1)           486
- ------------------------------------------------------------------------------------------------------------------------------
Pro forma basic and diluted net loss per share (Note 1)                                               $  (0.59)      $  (0.41)
- ------------------------------------------------------------------------------------------------------------------------------
Shares used in computing pro forma basic and diluted net loss per share (Note 1)                        10,533         15,722
</TABLE>

SEE ACCOMPANYING NOTES.


                  NINETY EIGHT  28  PROBUSINESS SERVICES, INC.


<PAGE>

                                 >  STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)



DOLLARS IN THOUSANDS EXCEPT SHARE AND PER SHARE AMOUNTS
<TABLE>
<CAPTION>
                                           ----------PREFERRED STOCK----------                 ----------COMMON STOCK----------

                                                                      ADDITIONAL                                        ADDITIONAL
                                                                         PAID-IN                                           PAID-IN
                                             SHARES      AMOUNT          CAPITAL             SHARES         AMOUNT         CAPITAL
<S>                                       <C>             <C>         <C>                <C>               <C>          <C>
Balance at June 30, 1995                  2,613,301         $ 2         $ 11,682             20,142        $    --        $      3
Issuance of Series E preferred
   stock at $7.94 per share, net
     of issuance costs                       40,000          --              317                 --             --              --
Exercise of stock options                        --          --               --          1,802,334              2             365
Issuance of preferred stock
   warrants                                      --          --              200                 --             --              --
Net loss                                         --          --               --                 --             --              --
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at June 30, 1996                  2,653,301           2           12,199          1,822,476              2             368
Issuance of Series F preferred
   stock at $17.40 per share, net
     of issuance costs                      574,733           1            9,850                 --             --              --
Exercise of stock options                        --          --               --            472,940             --           1,166
Issuance of preferred stock
   warrants                                      --          --              321                 --             --              --
Net loss                                         --          --               --                 --             --              --
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at June 30, 1997                  3,228,034           3           22,370          2,295,416              2           1,534
Issuance of common stock in
   connection with initial
   public offering, net of
     offering costs                              --          --               --          4,312,500              4          27,005
Conversion of preferred
   stock into common stock               (3,288,034)         (3)         (22,370)         9,684,102             10          22,363
Exercise of warrants                             --          --               --            415,725              1             958
Exercise of stock options                        --          --               --            236,998             --             317
Issuance of stock under
   employee stock purchase plan                  --          --               --            170,114             --           1,060
Issuance of warrants                             --          --               --                 --             --              49
Net loss                                         --          --               --                 --             --              --
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at June 30, 1998                         --         $--         $     --           17,114,855      $    17        $ 53,286
- -----------------------------------------------------------------------------------------------------------------------------------
</TABLE>



<TABLE>
<CAPTION>
                                                             NOTES            TOTAL
                                                        RECEIVABLE     STOCKHOLDERS'
                                       ACCUMULATED            FROM           EQUITY
                                           DEFICIT    STOCKHOLDERS         (DEFICIT)
<S>                                    <C>            <C>              <C>
Balance at June 30, 1995                $ (10,321)        $     --         $  1,366
Issuance of Series E preferred
   stock at $7.94 per share, net
     of issuance costs                         --               --              317
Exercise of stock options                      --               --              367
Issuance of preferred stock
   warrants                                    --               --              200
Net loss                                   (2,386)              --           (2,386)

- ------------------------------------------------------------------------------------
Balance at June 30, 1996                  (12,707)              --             (136)
Issuance of Series F preferred
   stock at $17.40 per share, net
     of issuance costs                         --               --            9,851
Exercise of stock options                      --           (1,088)              78
Issuance of preferred stock
   warrants                                    --               --              321
Net loss                                   (6,245)              --           (6,245)

- ------------------------------------------------------------------------------------
Balance at June 30, 1997                  (18,952)          (1,088)           3,869
Issuance of common stock in
   connection with initial
   public offering, net of
     offering costs                            --               --           27,009
Conversion of preferred
   stock into common stock                     --               --               --
Exercise of warrants                           --               --              959
Exercise of stock options                      --               --              317
Issuance of stock under
   employee stock purchase plan                --               --            1,060
Issuance of warrants                           --               --               49
Net loss                                   (6,517)              --           (6,517)
- ------------------------------------------------------------------------------------
BALANCE AT JUNE 30, 1998                $ (25,469)        $ (1,088)        $ 26,746
- ------------------------------------------------------------------------------------
</TABLE>

SEE ACCOMPANYING NOTES.


                  NINETY EIGHT  29  PROBUSINESS SERVICES, INC.


<PAGE>

                                                     >  STATEMENTS OF CASH FLOWS



DOLLARS IN THOUSANDS AS OF 6.30
<TABLE>
<CAPTION>
                                                                               1996             1997             1998
OPERATING ACTIVITIES
<S>                                                                         <C>             <C>              <C>
Net loss                                                                    $(2,386)        $ (6,245)        $ (6,517)
Adjustments to reconcile net loss to net cash provided by (used in)
   operating activities:
     Depreciation and amortization                                            1,146            2,574            4,285
     Acquisition of in-process technology                                       711               --               --
     Change in operating assets and liabilities:
       Accounts receivable, net                                               (,521)          (1,002)            (136)
       Prepaid expenses and other current assets                               (214)            (254)          (1,479)
       Other assets                                                             201           (1,782)           1,577
       Accounts payable                                                         360              438              661
       Accrued liabilities                                                      650            1,990            4,338
       Deferred revenue                                                        (149)             174              860
- ---------------------------------------------------------------------------------------------------------------------
         Net cash provided by (used in) operating activities                   (202)          (4,107)           3,589

INVESTING ACTIVITIES
Acquisition of BeneSphere Administrators,Inc., net of cash acquired              --             (245)              --
Additional consideration paid in connection with the acquisition of
   BeneSphere Administrators, Inc.                                               --               --           (1,127)
Purchase of equipment, furniture and fixtures                                (2,682)          (2,775)          (9,353)
Capitalization of software development costs                                   (645)          (1,409)          (3,858)
Notes receivable from stockholders                                               --             (295)              --
- ---------------------------------------------------------------------------------------------------------------------
         Net cash used in investing activities                               (3,327)          (4,724)         (14,338)

FINANCING ACTIVITIES
Borrowings under bank line-of-credit agreements                               5,934           24,727            6,874
Repayments of borrowings under line-of-credit agreements                     (3,478)         (23,831)         (11,632)
Repayments under long-term debt                                                  --               --           (3,909)
Proceeds from note payable                                                    4,000               --               --
Repayments under note payable                                                    --             (534)              --
Proceeds from notes payable to stockholders                                     250              275               --
Repayments under notes payable to stockholders                                 (227)            (275)            (250)
Principal payments on capital lease obligations                                (128)            (454)            (955)
Proceeds from issuance of preferred stock                                        --            9,851               --
Proceeds from issuance of common stock                                          367               78           29,345
- ---------------------------------------------------------------------------------------------------------------------
Net cash provided by financing activities                                     6,718            9,837           19,473
- ---------------------------------------------------------------------------------------------------------------------
Net increase in cash and cash equivalents                                     3,189            1,006            8,724
Cash and cash equivalents, at beginning of year                                 852            4,041            5,047
- ---------------------------------------------------------------------------------------------------------------------
Cash and cash equivalents, at end of year                                   $ 4,041         $  5,047         $ 13,771
- ---------------------------------------------------------------------------------------------------------------------
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for interest                                    $   377         $  1,507         $    552
- ---------------------------------------------------------------------------------------------------------------------

SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Purchase of equipment, furniture and fixtures under capital leases          $   210         $  2,644         $    588
- ---------------------------------------------------------------------------------------------------------------------
Issuance of warrants                                                        $   200         $    161         $     49
- ---------------------------------------------------------------------------------------------------------------------
Notes receivable from stockholders issued in connection
   with stock option exercises                                              $    --         $  1,088         $     --
- ---------------------------------------------------------------------------------------------------------------------

ACQUISITION OF DIMENSION SOLUTIONS, INC.
   Issuance of Series E preferred stock                                     $   317         $     --         $     --
   Liabilities assumed                                                          947               --               --
- ---------------------------------------------------------------------------------------------------------------------
                                                                            $ 1,264         $     --         $     --
- ---------------------------------------------------------------------------------------------------------------------

ACQUISITION OF BENESPHERE ADMINISTRATORS, INC.
   Issuance of warrants                                                     $    --         $    160         $     --
   Liabilities assumed                                                           --            2,445               --
   Note payable to BeneSphere Administrators, Inc.                               --              250               --
- ---------------------------------------------------------------------------------------------------------------------
                                                                            $    --         $  2,855         $     --
- ---------------------------------------------------------------------------------------------------------------------
BeneSphere contingent consideration                                         $    --         $     --         $  2,208
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

SEE ACCOMPANYING NOTES


                  NINETY EIGHT  30  PROBUSINESS SERVICES, INC.


<PAGE>

                                                >  NOTES TO FINANCIAL STATEMENTS



1.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES


OPERATIONS

     ProBusiness Services, Inc. (the "Company") provides employee administrative
services for large employers. The Company's primary service offerings are
payroll processing, payroll tax filing, human resources software and benefits
administration, including the enrollment and processing of flexible benefit
plans and COBRA programs.

     On May 23, 1996, the Company acquired substantially all of the business and
assets of Dimension Solutions, Inc. ("Dimension Solutions") for approximately
$1,300,000. The transaction was recorded under the purchase method of
accounting, and the results of operations of Dimension Solutions have been
included in the financial statements of the Company beginning May 24, 1996.

     On January 1, 1997, the Company acquired all of the outstanding stock of
BeneSphere Administrators, Inc. ("BeneSphere"), a Washington corporation. The
transaction was recorded under the purchase method of accounting, and the
results of operations of BeneSphere have been included in the financial
statements of the Company beginning January 2, 1997 (Note 10).


PAYROLL PROCESSING AND PAYROLL TAX FILING SERVICES

     In connection with its payroll tax filing services, the Company collects
funds from clients for payment of payroll taxes, holds such funds in financial
institutions until payment is due (such funds being segregated from the
Company's other accounts), remits such funds to the appropriate taxing
authorities, and files related federal, state and local tax returns, coupons, or
other required payroll tax data ("payroll tax filings"). For such services, the
Company derives its payroll tax filing service revenue from fees charged and
from interest income it receives on payroll tax funds temporarily held pending
remittance on behalf of its clients to taxing authorities ("collected but
unremitted payroll tax funds"). These collected but unremitted payroll tax funds
and the related liability to clients for such funds are included in the
accompanying balance sheets as current assets and current liabilities. The
amount of funds held under these arrangements with customers may vary
significantly during the year. The Company invests collected but unremitted
payroll tax funds in various financial instruments which consisted of overnight
U.S. government, agency and mortgage backed repurchase agreements ($40,965,000),
money market funds ($134,520,000) and cash and cash equivalents ($2,141,000) at
June 30, 1997, and of overnight U.S. government, agency and mortgage backed
repurchase agreements ($279,801,000), money market funds ($50,076,000) and cash
and cash equivalents ($2,790,000) at June 30, 1998. As a result of the types of
financial instruments in which the Company invests, the carrying amount of such
investments approximates fair value. The Company's collected but unremitted
payroll tax fund investments are held primarily with one custodial financial
institution. Interest income earned on collected but unremitted payroll tax
funds, which is classified as revenue, amounted to approximately $1,896,000,
$5,925,000, and $11,521,000 for fiscal 1996, 1997 and 1998, respectively.

     The Company's payroll tax filing service is subject to various risks
resulting from errors and omissions in the payment of payroll taxes and related
payroll tax filings. The Company processes data received from clients and remits
funds along with any required payroll tax filings to the appropriate tax
authorities when due. Tracking, processing and paying such tax liabilities is
complex. Errors and omissions have occurred in the past and may occur in the
future in connection with such service. The Company is subject to cash penalties
imposed by tax authorities for late filings or underpayment of taxes. To date,
such penalties have not been significant. However, there can be no assurance
that any liabilities associated with such penalties will not have a material
adverse effect on the Company's business, financial condition or results of
operations. At June 30, 1997 and 1998, the Company had accrued approximately
$586,000 and $971,000, respectively, for potential tax penalties. There can be
no assurance that the Company's accruals or insurance for such penalties will be
adequate. In addition, failure by the Company to make timely or accurate payroll
tax payments or filings when due may damage the Company's reputation and
adversely affect its relationships with existing clients and its ability to gain
new clients.

     The Company's payroll tax service is also dependent upon government
regulations, which are subject to continuous changes. Failure by the Company to
implement these changes into its services and technology in a timely manner
could have a material adverse effect on the Company's business, financial
condition and results of operations. In addition, since a significant portion of
the Company's revenue is derived from interest earned from the investment of
collected but unremitted payroll tax funds, changes in policies relating to
withholding federal or state income taxes or reduction in the time allowed for
taxpayers to remit payment of taxes owed to government authorities could have a
material adverse effect on the Company's business, financial condition and
results of operations.


                  NINETY EIGHT  31  PROBUSINESS SERVICES, INC.


<PAGE>

                                                >  NOTES TO FINANCIAL STATEMENTS

     The Company's benefits administration services are subject to various risks
resulting from errors and omissions in processing and filing COBRA or other
benefit plan forms in accordance with governmental regulations and the
respective plans. The Company processes data received from employees and
employers and is subject to penalties for any late or misfiled plan forms. There
can be no assurance the Company's accruals or insurance for such penalties will
be adequate. In addition, failure to properly file plan forms would have a
material adverse effect on the Company's reputation, which could adversely
affect its relationships with existing clients and its ability to gain new
clients. The Company's benefits administration services are also dependent upon
government regulations which are subject to continuous changes that could reduce
or eliminate the need for benefits administration services.

     The Company has access to confidential information and to client funds. As
a result, the Company is subject to potential claims by its clients for the
actions of the Company's employees arising from damages to the client's business
or otherwise. There can be no assurance that the Company's fidelity bond and
errors and omissions insurance will be adequate to cover any such claims. Such
claims could have a material adverse effect on the Company's business, financial
condition and results of operations.

     The Company's operations are dependent on its ability to protect its
computer systems against damage from a major catastrophe (such as an earthquake
or other natural disaster), fire, power loss, security breach,
telecommunications failure or similar event. The Company currently conducts
substantially all of its payroll and payroll tax processing and production at
the Company's headquarters in Pleasanton, California. No assurance can be given
that the precautions that the Company has taken to protect itself from or
minimize the impact of such events will be adequate. Any damage to the Company's
data centers, failure of telecommunications links or breach of the security of
the Company's computer systems could result in an interruption of the Company's
operations or other loss which may not be covered by the Company's insurance.
Any such event could have a material adverse effect on the Company's business,
financial condition and results of operations.

INTEREST RATE SWAP AGREEMENTS

     During fiscal 1998, the Company entered into various interest rate swap
agreements with a financial institution. The purpose of these agreements is to
convert a portion of the interest the Company earns from collected but
unremitted payroll tax funds from a floating to a fixed rate basis. The Company
considers these agreements to be for "other than trading purposes" and has
accounted for these agreements on an accrual basis, with each net payment or
receipt due or owed under each agreement recognized in earnings during the
period to which the payment or receipt relates, with no recognition on the
balance sheet of the fair value of the agreements. At June 30, 1998, the
aggregate fair value of these agreements was $432,000.

     These agreements, with fixed interest rates between 5.736% and 5.905%, each
have a term of two years, one of which has a cancellation option after one year,
and expire at various dates through April 2000. Interest is paid or received
based upon the difference in the fixed interest rate and the contractual
floating rate option times the contractual notional balance. The actual notional
balance varies on a monthly basis due to fluctuations in projected holdings of
collected but unremitted payroll tax funds. At June 30, 1998, the notional
balance was $204,700,000 and the average monthly notional balance for the
remaining term of the agreements was $242,000,000. The agreements require
collateral if interest rates increase and certain other conditions are met as
defined in the agreements. At June 30, 1998, no collateral was required.

USE OF ESTIMATES

     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities and the reported amounts of
revenues and expenses during the period. Such estimates include, but are not
limited to, provisions for doubtful accounts and penalties and interest relating
to payroll tax processing and estimates regarding the recoverability of
capitalized software. Actual results could differ from these estimates.

CASH AND CASH EQUIVALENTS

     The Company considers all highly liquid investments with a maturity of
three months or less at the time of purchase to be cash equivalents. Cash and
cash equivalents have a carrying amount which approximates fair value. The
Company's cash, cash equivalents and payroll tax funds invested are held
primarily with two financial institutions.

EQUIPMENT, FURNITURE AND FIXTURES

     Equipment, furniture and fixtures are stated at cost, net of accumulated 
depreciation and amortization. Depreciation of equipment, furniture and 
fixtures is computed using the straight-line method over the estimated useful 
lives of the assets which range from three to seven years. Leasehold 
improvements and assets under capital leases are amortized over the shorter 
of the life of the asset or the term of the lease.

                  NINETY EIGHT  32  PROBUSINESS SERVICES, INC.


<PAGE>

REVENUE RECOGNITION

     Revenue from payroll processing and payroll tax filing services under
client contracts is recognized as the services are performed. Interest income
earned on unremitted payroll tax funds invested is recognized as earned.

     The Company's sales are primarily to customers in the United States. Credit
evaluations are performed as necessary and the Company does not require
collateral from customers.

SOFTWARE DEVELOPMENT COSTS

     The Company accounts for software development costs in accordance with
Statement of Financial Accounting Standards No. 86, "Accounting for the Costs of
Computer Software to Be Sold, Leased or Otherwise Marketed."

     The Company capitalizes software development costs incurred after
establishing technological feasibility of the product prior to the general
release of the service using the product. Costs incurred in connection with the
enhancement of the Company's existing products or after the general release of
the service using the product are expensed in the current period and included in
the research and development costs within the statement of operations. The
Company amortizes the capitalized software development costs using the greater
of the straight-line basis over the estimated product life, which is generally a
36-month period, or the ratio of current revenue to the total of current revenue
and anticipated future revenue over the life of the related product. Such
amortization is included in cost of providing services within the statement of
operations.

ACCOUNTING FOR STOCK-BASED COMPENSATION

     The Company accounts for employee stock options in accordance with
Accounting Principles Board Opinion No. 25, "Accounting for Stock Issued to
Employees" ("APB 25") and has adopted the "disclosure only" alternative as
described in FAS No. 123, "Accounting for Stock-Based Compensation" ("FAS 123")
(Note 7).

IMPACT OF RECENTLY ISSUED ACCOUNTING STANDARDS

     In June 1997, the Financial Accounting Standards Board ("FASB") issued FAS
No. 130, "Reporting Comprehensive Income" ("FAS 130"), and FAS No. 131,
"Disclosure about Segments of an Enterprise and Related Information" ("FAS
131"). The Company is required to adopt these statements in fiscal 1999. FAS 130
establishes new standards for reporting and displaying comprehensive income and
its components. FAS 131 requires disclosure of certain information regarding
operating segments, products and services, geographic areas of operation and
major customers. The Company has not reached a conclusion as to the appropriate
segments, if any, it will be required to report to comply with the provisions of
FAS 131. Adoption of these statements is not expected to have a significant
impact on the Company's financial position, results of operations or cash flows.

     In June 1998, the FASB issued FAS No. 133, "Accounting for Derivative
Instruments and Hedging Activities" ("FAS 133"). The Company is required to
adopt FAS 133 in fiscal 2000. FAS 133 established methods of accounting for
derivative financial instruments and hedging activities related to those
instruments as well as other hedging activities. The Company has not yet
determined what the effect of FAS 133 will be on the operations and financial
position of the Company.

RECLASSIFICATIONS

     Certain prior year balances have been reclassified to conform to the
current year presentation.

BASIC AND DILUTED NET LOSS PER SHARE (HISTORICAL AND PRO FORMA)

     Historical net loss per share is presented under the requirements of FAS
No. 128, "Earnings per Share" ("FAS 128"). FAS 128 replaced the previously
reported primary and fully diluted earnings per share with basic and diluted
earnings per share. Unlike primary earnings per share, basic earnings per share
excludes any dilutive effects of options, warrants, convertible securities and
shares subject to repurchase. Diluted earnings per share is very similar to the
previously reported fully diluted earnings per share. Common stock equivalent
shares from convertible preferred stock and from stock options and warrants are
not included in the calculation of diluted net loss per share as the effect is
anti-dilutive. All net loss per share amounts for all periods have been
presented to conform to the FAS 128 requirements.

     In February 1998, Staff Accounting Bulletin No. 98 ("SAB 98") was issued
and amends the existing Securities and Exchange Commission ("SEC") staff
guidance primarily to give effect to FAS 128. Under SAB 98, certain shares of
convertible preferred stock, options and warrants to purchase shares of common
stock, issued at prices below the per share price of shares sold in the
Company's initial public offering in September 1997 and previously included in
the computations of shares used in computing net loss per share pursuant to
previous staff accounting bulletins have now been excluded from the computation.

     Pro forma net loss per share has been computed as described above and also
gives effect, under SEC guidance, to the conversion of preferred stock to common
stock not included above that automatically converted upon completion of the
Company's initial public offering, using the if-converted method.


                  NINETY EIGHT  33  PROBUSINESS SERVICES, INC.


<PAGE>

                                                >  NOTES TO FINANCIAL STATEMENTS

     A reconciliation of shares used in the calculation of historical and pro
forma basic and diluted net loss per share follows:


DOLLARS IN THOUSANDS EXCEPT SHARE AND PER SHARE INFORMATION AS OF 6.30
<TABLE>
<CAPTION>
                                                                                      1996          1997          1998
<S>                                                                               <C>           <C>           <C>
Historical:
   Net loss                                                                       $ (2,386)     $ (6,245)     $ (6,517)
- -----------------------------------------------------------------------------------------------------------------------
   Weighted average shares of common stock outstanding used in computing
     basic and diluted net loss per share                                              486         1,999        13,596
- -----------------------------------------------------------------------------------------------------------------------
   Basic and diluted net loss per share                                           $  (4.91)     $  (3.12)     $  (0.48)
- -----------------------------------------------------------------------------------------------------------------------
Pro forma:
   Net loss                                                                                     $ (6,245)     $ (6,517)
- -----------------------------------------------------------------------------------------------------------------------
   Shares used in computing basic and diluted net loss per share (from above)                      1,999        13,596
   Pro forma adjustment to reflect the effect of the conversion of preferred
     stock from the date of issuance                                                               8,534         2,126
- -----------------------------------------------------------------------------------------------------------------------
   Weighted average shares used in computing pro forma basic and diluted
     net loss per share                                                                           10,533        15,722
- -----------------------------------------------------------------------------------------------------------------------
   Pro forma basic and diluted net loss per share                                               $  (0.59)     $  (0.41)
- -----------------------------------------------------------------------------------------------------------------------
</TABLE>

     If the Company had reported net income, the calculation of diluted earnings
per share (historical and pro forma) would have included the shares used in the
computation of historical and pro forma net loss per share as well as an
additional 356,000, 466,000 and 797,000 common equivalent shares related to the
outstanding options and warrants not included above (determined using the
treasury stock method) for fiscal 1996, 1997 and 1998, respectively.


2.   EQUIPMENT, FURNITURE AND FIXTURES

     Equipment, furniture and fixtures consist of the following:


DOLLARS IN THOUSANDS AS OF 6.30
<TABLE>
<CAPTION>
                                                                                 1997          1998
<S>                                                                           <C>          <C>
Equipment and leasehold improvements                                          $ 9,981      $ 18,172
Furniture and fixtures                                                          1,973         3,239
- ---------------------------------------------------------------------------------------------------
                                                                               11,954        21,411
Less accumulated depreciation and amortization                                 (4,331)       (7,453)
- ---------------------------------------------------------------------------------------------------
                                                                              $ 7,623      $ 13,958
- ---------------------------------------------------------------------------------------------------
</TABLE>

     Equipment, furniture and fixtures include amounts for assets acquired under
capital leases, principally production, office and computer equipment, of
$3,515,000 and $3,863,000 at June 30, 1997 and 1998, respectively. Accumulated
amortization of these assets was $854,000 and $1,712,000 at June 30, 1997 and
1998, respectively.


                  NINETY EIGHT  34  PROBUSINESS SERVICES, INC.


<PAGE>

3.   LONG-TERM DEBT

LINE OF CREDIT AGREEMENTS

     As of June 30, 1998, the Company executed an Amended and Restated Loan and
Security Agreement with a financial institution. The agreement provides for
borrowings that are limited to the lesser of $20,000,000 or the sum of five
times the Company's average monthly net collections, as defined in the
agreement, plus the lesser of five times the Company's average monthly
collections of the interest on tax investment funds as defined in the agreement
or $5,000,000, plus $1,500,000. The agreement superseded all previous
line-of-credit agreements and amendments thereto with the financial institution
that existed as of June 30, 1997.

     At June 30, 1998, no borrowings were outstanding under the agreement and
the amount available for borrowing under the agreement was approximately
$20,000,000. Borrowings outstanding under the agreement bear interest at the
bank's prime rate plus 1% (9.5% at June 30, 1998) and are collateralized by
substantially all of the Company's assets not otherwise encumbered. The
financial covenants of the agreement require the Company to maintain minimum net
worth and earnings to debt service ratios. The agreement expires on December 31,
2000, and is subject to automatic and continuous renewal unless termination
notice is given by either party in accordance with the agreement. All borrowings
outstanding at June 30, 1997 totaling $4,758,000, under the previous agreements,
were paid in September 1997 with the proceeds from the Company's initial public
offering.


SUBORDINATED NOTES PAYABLE

     In October 1995 and December 1995, the Company issued $1,100,000 and
$2,900,000, respectively of subordinated notes payable to investors. The
subordinated notes and interest accrued thereon were repaid in their entirety in
September 1997 with proceeds from the Company's initial public offering.


NOTE PAYABLE TO STOCKHOLDER

     A $250,000 subordinated note payable to a stockholder was assumed in the
acquisition of Dimension Solutions. The note was repaid in fiscal 1998.


4.   LEASE OBLIGATIONS

     The Company leases its facilities and various equipment under noncancelable
operating leases which expire at various dates through 2010. The Company is also
obligated under a number of capital equipment leases expiring at various dates
through 2003. The future minimum lease payments under capital and operating
leases subsequent to June 30, 1998 are summarized as follows:


DOLLARS IN THOUSANDS FOR THE YEARS ENDING 6.30
<TABLE>
<CAPTION>
                                                         CAPITAL LEASES    OPERATING LEASES
<S>                                                       <C>              <C>
1999                                                         $1,180           $ 3,476
2000                                                          1,029             4,067
2001                                                            297             4,434
2002                                                            158             4,402
2003                                                            158             4,186
Thereafter                                                       --            25,710
- -------------------------------------------------------------------------------------
   Total minimum lease payments                               2,822           $46,275
- -------------------------------------------------------------------------------------
Less amounts representing interest                              518
- -------------------------------------------------------------------
Present value of net minimum capital lease obligations        2,304
Less current portion                                            890
- -------------------------------------------------------------------
                                                             $1,414
- -------------------------------------------------------------------
</TABLE>

     Rent expense was approximately $707,000, $1,487,000 and $3,028,000 for
fiscal 1996, 1997 and 1998, respectively.


                  NINETY EIGHT  35  PROBUSINESS SERVICES, INC.


<PAGE>

                                                >  NOTES TO FINANCIAL STATEMENTS

5.   INCOME TAXES

     As of June 30, 1998, the Company had federal and state net operating loss
carryforwards of approximately $17,200,000 and $1,200,000, respectively. The
Company also had federal and state research and development tax credit
carryforwards of approximately $1,057,000 and $442,000, respectively. The
federal net operating loss and credit carryforwards will expire at various dates
beginning with the fiscal year ending 1999 through 2013, if not utilized. The
state net operating loss carryforwards will expire at various dates beginning
with the fiscal 1999 through 2003, if not utilized. The state credit
carryforwards do not expire.

     Utilization of the net operating losses and credits may be subject to a
substantial annual limitation due to the ownership change limitations provided
by the Internal Revenue Code of 1986, as amended (the "Code"), and similar state
provisions. The annual limitation may result in the expiration of net operating
losses and credits before utilization.

     Significant components of the Company's deferred tax assets and liabilities
are as follows:


DOLLARS IN THOUSANDS AS OF 6.30
<TABLE>
<CAPTION>
                                                                 1997             1998
<S>                                                           <C>             <C>
Deferred tax assets:
   Net operating loss carryforwards                           $ 4,965         $  5,951
   Research and development credit carryforwards                  650            1,499
   Depreciation                                                   428            1,010
   Accrued liabilities and allowances                             330            2,147
- ---------------------------------------------------------------------------------------
Gross deferred tax assets                                       6,373           10,607
Less valuation allowance                                       (5,988)          (9,224)
- ---------------------------------------------------------------------------------------
Deferred tax assets                                               385            1,383
Deferred tax liabilities:
   Capitalized software development costs                        (313)          (1,338)
   Other                                                          (72)             (45)
- ---------------------------------------------------------------------------------------
Gross deferred tax liabilities                                   (385)          (1,383)
- ---------------------------------------------------------------------------------------
Net deferred taxes                                            $    --         $     --
- ---------------------------------------------------------------------------------------
</TABLE>

     A valuation allowance has been established and, accordingly, no benefit has
been recognized for the Company's net operating losses and other deferred tax
assets. The Company believes that, based on a number of factors, the available
objective evidence creates sufficient uncertainty regarding the realizability of
the deferred tax assets such that a full valuation allowance has been recorded.
These factors include the Company's history of net losses since its inception
and expected near-term future losses. The Company will continue to assess the
realizability of the deferred tax assets based on actual and forecasted
operating results. The net valuation allowance increased by $2,391,000 and
$3,236,000, respectively during fiscal 1997 and 1998.

6.   STOCKHOLDERS' EQUITY

     In September 1997, the Company completed its initial public offering of
common stock. The offering consisted of 3,750,000 shares of common stock issued
to the public at $7.33 per share. Upon the closing of the initial public
offering, all outstanding shares of preferred stock were converted into common
stock.

     In October 1997, the underwriters exercised an option to purchase an
additional 562,500 shares of common stock at the initial public offering price
of $7.33 per share to cover over-allotments in connection with the initial
public offering.


                  NINETY EIGHT  36  PROBUSINESS SERVICES, INC.

<PAGE>

WARRANTS
     The following table represents a summary of warrants outstanding as of
     June 30, 1998:

<TABLE>
<CAPTION>
                                         EXERCISE PRICE    NUMBER OF SHARES
DATE ISSUED              EXPIRATION           PER SHARE       JUNE 30, 1998
<S>                      <C>             <C>               <C>
April 1996               April 2001      $         2.65              28,500
October 1996           October 2001                2.65              28,500
November 1996        September 2002                2.65              67,500
January 1997           January 2002                6.00              75,000
July 1997                 July 2002                6.00              30,000
- ---------------------------------------------------------------------------
                                                                    229,500
- ---------------------------------------------------------------------------

</TABLE>

     In connection with the Company's initial public offering, the Company
issued 367,288 shares of common stock upon the exercise of warrants, a portion
of which were exercised pursuant to a net exercise provision, for total proceeds
of $923,000. In addition, during fiscal 1998, the Company issued 48,437 shares
of common stock upon exercise of warrants, a portion of which were exercised
pursuant to net exercise provisions, for a total of $36,000. All other warrants
noted as exercised above were exercised pursuant to net exercise provisions.

STOCK SPLIT
     On July 23, 1998, the Board of Directors approved a three-for-two split of
its $.001 par value common stock in the form of a 50 percent distribution to
stockholders of record as of July 31, 1998. As a result of the stock split,
authorized and outstanding common shares increased 50 percent and capital in
excess of par was reduced by the par value of the additional common shares
issued. The rights of the holders of these securities were not otherwise
modified. All references in the financial statements to number of shares, per
share amounts, stock option data and market prices of the Company's common stock
have been restated for the effect of the stock split.

7. STOCK OPTION AND STOCK PURCHASE PLANS

STOCK OPTION PLANS
     The Company's 1989 Stock Option Plan (the "1989 Plan") provided for the
granting to employees (including officers and employee directors) of "incentive
stock options" within the meaning of the Code and for the granting to employees,
directors and consultants of nonstatutory stock options. In February 1997, the
Board of Directors of the Company increased the shares available for future
grants under the 1989 Plan by 2,063,649 for a total of 4,480,872. Options
granted under the 1989 Plan before the effective date of the amendment and
restatement to the 1996 Plan in September, 1997, described below, remain
outstanding in accordance with their terms, but no further options were granted
under the 1989 Plan after the effective date of the amendment and restatement to
the 1996 Plan.
     In 1996, the Company established the 1996 Executive Stock Option Plan
("Executive Plan") which provides for stock options to employees and
consultants. Under the Executive Plan, the Board of Directors may grant
nonstatutory stock options to employees and consultants and incentive stock
options to employees only. The Company has reserved 1,125,000 shares of common
stock for exercise of stock options under the Executive Plan. The grant of
incentive stock option to an employee who owns stock representing more than 10%
of the voting power of all classes of stock of the Company must be no less than
110% of the fair market value per share on the date of grant. Fair market value
is determined by the Board of Directors. For all other employees the options
must be no less than 100% of the fair market value per share on the date of
grant. All nonstatutory stock options granted are at a price that is determined
by the Board of Directors. The options generally expire ten years from the date
of grant and are exercisable as determined by the Board of Directors.
     In November 1996, the Board of Directors and stockholders approved,
effective upon the initial public offering, an amendment and restatement of the
Executive Plan to rename the 1996 Executive Stock Option Plan to the 1996 Stock
Option Plan (the "1996 Plan") and authorized an increase in the number of shares
reserved for issuance under the 1996 Plan of any unused or canceled shares under
the 1989 Plan, and an annual increase equal to the lesser of (a) 375,000 shares,
(b) 2% of the outstanding shares of common stock on such date or (c) a lesser
amount determined by the Board. The 1996 Plan provides for grants to employees
(including officers and employee directors) of incentive stock options and for
the granting to employees, directors and consultants of nonqualified stock
options. Notes receivable for the purchase of common stock are included in
stockholders' equity (deficit).


                     NINETY EIGHT  37  PROBUSINESS SERVICES, INC.
<PAGE>

                                                >  NOTES TO FINANCIAL STATEMENTS

A summary of the activity under the 1989 and 1996 Plans is set forth below:

<TABLE>
<CAPTION>
                                            -------OUTSTANDING OPTIONS--------
                                                              WEIGHTED AVERAGE
                                                                EXERCISE PRICE
                                            NUMBER OF SHARES         PER SHARE
<S>                                         <C>               <C>
Outstanding at June 30, 1995                       1,528,344        $     0.17
  Granted                                          1,583,895              0.29
  Exercised                                       (1,802,334)             0.22
  Canceled                                          (345,703)             0.22
- ------------------------------------------------------------------------------
Outstanding at June 30, 1996                         964,202              0.27
  Granted                                            994,005              4.83
  Exercised                                         (472,940)             2.39
  Canceled                                          (171,603)             2.51
- ------------------------------------------------------------------------------
Outstanding at June 30, 1997                       1,313,664              2.67
  Granted                                            907,875             11.82
  Exercised                                         (236,998)             1.34
  Canceled                                          (184,125)             7.12
- ------------------------------------------------------------------------------
Outstanding at June 30, 1998                       1,800,416        $     6.97
- ------------------------------------------------------------------------------
</TABLE>

     As of June 30, 1998, options to purchase 414,884 shares of common stock
were vested and exercisable at an average exercise price of $2.03 per share and
options to purchase 1,277,510 shares were available for future grant. As of June
30, 1998, options to purchase approximately 317,000 shares of common stock had
been exercised which are subject to repurchase.
     The weighted-average fair value of options granted during fiscal 1996, 1997
and 1998 was $0.06, $1.01 and $6.98 per share, respectively.

     The following table summarizes information concerning currently outstanding
and exercisable options at June 30, 1998:

<TABLE>
<CAPTION>
                      --------------OUTSTANDING OPTIONS---------------             --------EXERCISABLE--------
                                  WEIGHTED AVERAGE
                                         REMAINING    WEIGHTED AVERAGE                        WEIGHTED AVERAGE
EXERCISE PRICE          SHARES    CONTRACTUAL LIFE      EXERCISE PRICE              SHARES      EXERCISE PRICE
<S>                  <C>          <C>                 <C>                         <C>         <C>
$ 0.13 -- $0.26        399,084                7.10          $     0.26             231,235          $     0.25
$ 0.83 -- $4.83        399,707                8.41          $     4.02             141,932          $     3.75
$ 5.83 -- $6.00        620,250                9.03          $     5.91              40,967          $     5.86
$12.08 --$31.17        381,375                9.57          $    18.84                 750          $    19.33
- --------------------------------------------------------------------------------------------------------------
                     1,800,416                                                     414,884
- --------------------------------------------------------------------------------------------------------------
</TABLE>

STOCK-BASED COMPENSATION
     As permitted under FAS 123, the Company has elected to continue to follow
APB 25 in accounting for stock-based awards to employees. Under APB 25, the
Company has not recognized any compensation expense with respect to such awards,
since the exercise price of the stock options awarded are equal to the fair
market value of the underlying security on the grant date.
     Disclosure of information regarding net loss and net loss per share is
required by FAS 123, which also requires that the information be determined on
an "as adjusted" basis as if the Company had accounted for its stock-based
awards to employees granted subsequent to June 30, 1995, under the fair value
method of FAS 123. The fair value of the Company's stock-based awards to
employees was estimated as of the date of the grant using a Black-Scholes option
pricing model. Limitations on the effectiveness of the Black-Scholes option
valuation model are that it was developed for use in estimating the fair value
of traded options which have no vesting restrictions and are fully transferable
and


                     NINETY EIGHT  38  PROBUSINESS SERVICES, INC.
<PAGE>

that the model requires the use of highly subjective assumptions including
expected stock price volatility. Because the Company's stock-based awards to
employees have characteristics significantly different from those of traded
options and because changes in the subjective input assumptions can materially
affect the fair value estimate, in management's opinion, the existing models do
not necessarily provide a reliable single measure of the fair value of its
stock-based awards to employees. The Company has plans which award employees
stock options. These plans are discussed in the note above. The fair value of
the Company's stock-based awards to employees was estimated using the following
weighted-average assumptions:

AS OF 6.30
<TABLE>
<CAPTION>
                                                  1996      1997      1998
<S>                                               <C>       <C>       <C>
Expected life (in years)                          3         2         2
Expected volatility                               0.001     0.001     0.746
Risk-free interest rate                           6.2%      6.2%      5.5%
Expected dividend yield                           0.0%      0.0%      0.0%
</TABLE>

     For disclosure purposes, the adjusted estimated fair value of the Company's
stock-based awards to employees is amortized over the vesting period for
options. The Company's adjusted information follows:


DOLLARS IN THOUSANDS EXCEPT FOR PER SHARE INFORMATION AS OF 6.30

<TABLE>
<CAPTION>
                                                  1996        1997       1998
<S>                                           <C>         <C>         <C>
Net loss, as reported                         $  (2,386)  $  (6,245)  $  (6,517)
- --------------------------------------------------------------------------------
Net loss, as adjusted                         $  (2,403)  $  (6,355)  $  (7,427)
- --------------------------------------------------------------------------------
Historical net loss per share, as reported    $   (4.91)  $   (3.12)  $   (0.48)
- --------------------------------------------------------------------------------
Historical net loss per share, as adjusted    $   (4.94)  $   (3.18)  $   (0.55)
- --------------------------------------------------------------------------------
Pro forma net loss per share, as reported                 $   (0.59)  $   (0.41)
- --------------------------------------------------------------------------------
Pro forma net loss per share, as adjusted                 $   (0.60)  $   (0.47)
- --------------------------------------------------------------------------------
</TABLE>

     Because FAS 123 is applicable only to the Company's stock-based awards
granted subsequent to June 30, 1995, its effect will not be fully reflected
until approximately fiscal 1999.

1997 EMPLOYEE STOCK PURCHASE PLAN
     The Company's 1997 Employee Stock Purchase Plan (the "Purchase Plan") was
adopted by the Board of Directors in November 1996 and amended in August 1997,
for which employees who work a minimum of 20 hours per week and for five months
in any calendar year are eligible. There were 750,000 shares of common stock
authorized for issuance under the Purchase Plan with an annual increase to be
added on each anniversary date of the adoption of the Purchase Plan equal to the
lesser of (a) 225,000 shares, (b) 1.5% of the outstanding shares on such date or
(c) a lesser amount determined by the Board of Directors. As of June 30, 1998,
170,114 shares had been issued for the first purchase. Under the Purchase Plan,
the Company's employees, subject to certain restrictions, may purchase shares of
common stock at the lesser of 85 percent of the fair market value at either the
beginning of each two-year offering period or the end of each six-month purchase
period within the two-year offering period. Plan purchases are limited to 10% of
each employee's compensation.

8. EMPLOYEE BENEFIT PLAN

     The Company maintains a tax-deferred savings plan under section 401(k) of
the Code (the "Plan") for the benefit of certain qualified employees. Employees
may elect to contribute to the Plan, through payroll deductions of up to 18% of
their compensation, subject to certain limitations. The Company, at its
discretion, may make additional contributions. The Company did not make any
contributions to the Plan in fiscal 1996, 1997 or 1998.


                     NINETY EIGHT  39  PROBUSINESS SERVICES, INC.
<PAGE>
                                                >  NOTES TO FINANCIAL STATEMENTS

9. BALANCE SHEET DETAIL

     Other assets consist of the following:

DOLLARS IN THOUSANDS AS OF 6.30

<TABLE>
<CAPTION>
                                                             1997         1998
<S>                                                      <C>          <C>
Capitalized software development costs                   $  1,716     $  5,247
Deferred financing costs                                    1,043           --
Prepaid lease expense                                         161          133
Notes receivable from employees                               376          422
Goodwill and other intangible assets                        2,627        4,493
Deposits and other                                          1,097          584
- ------------------------------------------------------------------------------
                                                         $  7,020     $ 10,879
- ------------------------------------------------------------------------------
</TABLE>

     Accumulated amortization for capitalized software development costs was
approximately $475,000 and $802,000 at June 30, 1997 and 1998, respectively.
Accumulated amortization for goodwill and other intangible assets was
approximately $80,000 and $384,000 at June 30, 1997 and 1998, respectively.
     In January 1997, the Company advanced $250,000 in the form of a note
receivable from a stockholder who is also an executive officer. The note is due
in January 2001, bears interest at 6.10% and is full recourse.

     Accrued liabilities consist of the following:

DOLLARS IN THOUSANDS AS OF 6.30

<TABLE>
<CAPTION>

                                                             1997         1998
<S>                                                      <C>          <C>
Accrued expenses                                         $  2,773     $  4,408
Accrued tax penalties                                         586          971
Accrued payroll and related expenses                        1,361        3,322
Accrued acquisition costs                                     144           --
Accrued BeneSphere contingent consideration (Note 10)          --        1,081
Other                                                         120          621
- ------------------------------------------------------------------------------
                                                         $  4,984     $ 10,403
- ------------------------------------------------------------------------------
</TABLE>

10. BUSINESS ACQUISITIONS

     In January 1997, the Company acquired all of the outstanding stock of
BeneSphere. The purchase price consisted of $500,000 in cash, of which $250,000
was paid upon closing and $250,000 was paid in April 1997, warrants to purchase
75,000 shares of the Company's common stock at a price of $6.00 per share and
with an estimated fair value of $160,000, the assumption of $2,445,000 of
BeneSphere's liabilities (including acquisition costs) plus additional
contingent consideration based on BeneSphere's revenues in excess of certain
base amounts, as defined in the agreement, over the next two calendar years
following the acquisition which cannot exceed $4,500,000. The contingent
consideration is payable in cash in four quarterly payments beginning April 1,
1998 for the calendar year 1997 payment and April 1, 1999 for the calendar year
1998 payment. Interest shall accrue at a rate of 9% per annum on all earned but
unpaid balances.


                     NINETY EIGHT  40  PROBUSINESS SERVICES, INC.
<PAGE>

     A summary of the purchase price allocation is as follows:

DOLLARS IN THOUSANDS

<TABLE>
<CAPTION>
<S>                                                                 <C>
Current and other assets                                            $   517
Goodwill                                                              2,278
Customer list                                                           310
- ---------------------------------------------------------------------------
Total purchase price allocation                                     $ 3,105
- ---------------------------------------------------------------------------
</TABLE>

     Goodwill arising from the acquisition is being amortized on a straight-line
basis over 20 years.
     In January 1998, the Company accrued an additional $2,208,000 of contingent
consideration and recorded goodwill in the same amount related to the BeneSphere
acquisition as described above. As of June 30, 1998, the Company had made two
quarterly payments relating to the contingent consideration and had a remaining
outstanding balance of $1,081,000 which is classified as accrued liabilities.

11. SUBSEQUENT EVENTS

PUBLIC OFFERING
     On July 23, 1998, the Board of Directors authorized the Company to proceed
with a public offering of the Company's common stock.



                     NINETY EIGHT  41  PROBUSINESS SERVICES, INC.
<PAGE>

                                               >  REPORT OF INDEPENDENT AUDITORS
THE BOARD OF DIRECTORS AND STOCKHOLDERS

PROBUSINESS SERVICES, INC.
     We have audited the accompanying balance sheets of ProBusiness Services,
Inc. as of June 30, 1997 and 1998 and the related statements of operations,
stockholders' equity (deficit), and cash flows for each of the three years in
the period ended June 30, 1998. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of ProBusiness Services, Inc.
at June 30, 1997 and 1998 and the results of its operations and its cash flows
for each of the three years in the period ended June 30, 1998 in conformity with
generally accepted accounting principles.


    /s/ ERNST & YOUNG LLP


July 23,1998  ERNST & YOUNG, LLP  WALNUT CREEK, CALIFORNIA


                     NINETY EIGHT  42  PROBUSINESS SERVICES, INC.
<PAGE>

                                         >  QUARTERLY FINANCIAL DATA (UNAUDITED)

DOLLARS IN THOUSANDS
<TABLE>
<CAPTION>
                                                --------------------------QUARTER ENDED------------------------
                                                             1997                               1998

                                                SEPTEMBER 30      DECEMBER 31         MARCH 31          JUNE 30
<S>                                             <C>              <C>              <C>              <C>
Revenue                                         $      9,227     $     10,325     $     13,611     $     13,154
Operating expenses:
  Cost of providing services                           5,019            5,772            6,424            6,644
  General and administrative expenses                  1,768            1,600            1,693            1,666
  Research and development expenses                    1,110            1,020            1,213            1,242
  Client acquisition costs                             3,978            4,092            5,569            4,219
- ---------------------------------------------------------------------------------------------------------------
Total operating expenses                              11,875           12,484           14,899           13,771
- ---------------------------------------------------------------------------------------------------------------
Loss from operations                                  (2,648)          (2,159)          (1,288)            (617)
Interest expense                                        (255)            (119)             (87)             (96)
Other income                                              26              234              242              250
- ---------------------------------------------------------------------------------------------------------------
Net loss                                        $     (2,877)    $     (2,044)    $     (1,133)    $       (463)
- ---------------------------------------------------------------------------------------------------------------
</TABLE>

DOLLARS IN THOUSANDS
<TABLE>
<CAPTION>
                                                --------------------------QUARTER ENDED------------------------
                                                             1996                               1997

                                                SEPTEMBER 30      DECEMBER 31         MARCH 31          JUNE 30
<S>                                             <C>              <C>              <C>              <C>

Revenue                                         $      4,675     $      5,524     $      8,427     $      8,748
Operating expenses:
  Cost of providing services                           2,288            2,950            3,907            4,514
  General and administrative expenses                    622              869            1,441            1,350
  Research and development expenses                      625              683              732              801
  Client acquisition costs                             2,215            2,413            3,664            3,414
- ---------------------------------------------------------------------------------------------------------------
Total operating expenses                               5,750            6,915            9,744           10,079
- ---------------------------------------------------------------------------------------------------------------
Loss from operations                                  (1,075)          (1,391)          (1,317)          (1,331)
Interest expense                                        (215)            (305)            (380)            (290)
Other income                                              11                1                2               45
- ---------------------------------------------------------------------------------------------------------------
Net loss                                        $     (1,279)    $     (1,695)    $     (1,695)    $     (1,576)
- ---------------------------------------------------------------------------------------------------------------
</TABLE>

                               STOCK SUMMARY BY QUARTER

<TABLE>
<CAPTION>
                                                    ------FISCAL 1998------
                                                        HIGH            LOW
<S>                                                 <C>            <C>
First Quarter (from September 19,1997)              $  12.92       $   7.67
Secound Quarter                                        15.33          12.08
Third Quarter                                          20.00          14.00
Fourth Quarter                                         32.58          17.33
- ---------------------------------------------------------------------------
</TABLE>

                     NINETY EIGHT  43  PROBUSINESS SERVICES, INC.



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