PEGASYSTEMS INC
POS AM, 1997-01-22
COMPUTER PROCESSING & DATA PREPARATION
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  As filed with the Securities and Exchange Commission on January 22, 1997 
    

                                                    Registration No. 333-16475
 ----------------------------------------------------------------------------- 
 ----------------------------------------------------------------------------- 


                      SECURITIES AND EXCHANGE COMMISSION 
                            Washington, D.C. 20549 
                                ------------- 



   
                                 POST-EFFECTIVE
                                AMENDMENT NO. 2
                                       TO
                                    FORM S-1
                            REGISTRATION STATEMENT 
                                    Under 
                          THE SECURITIES ACT OF 1933 
                                ------------- 
    


                               PEGASYSTEMS INC. 
            (Exact name of Registrant as specified in its charter) 

<TABLE>
<CAPTION>
           Massachusetts                           7389                                04-2787865 
    <S>                                 <C>                                  <C> 
   (State or other jurisdiction of      (Primary Standard Industrial        (I.R.S. Employer Identification  Number) 
    incorporation or organization)       Classification Code Number) 
</TABLE>

        101 Main Street, Cambridge, Massachusetts 02142 (617) 374-9600 
  (Address and Telephone Number of Registrant's Principal Executive Offices) 

                                ------------- 

                                 ALAN TREFLER 
                                  President 
                               PEGASYSTEMS INC. 
                               101 Main Street 
                        Cambridge, Massachusetts 02142 
                                (617) 374-9600 
          (Name, Address and Telephone Number of Agent for Service) 

                                ------------- 

                                  Copies to: 

    ROBERT V. JAHRLING III, ESQ.                  MARK G. BORDEN, ESQ. 
        Choate, Hall & Stewart                   JEFFREY A. STEIN, ESQ. 
            Exchange Place                           Hale and Dorr 
            53 State Street                         60 State Street 
   Boston, Massachusetts 02109-2891         Boston, Massachusetts 02109-1816 
            (617) 248-5000                           (617) 526-6000 

                                ------------- 

   
   Approximate date of commencement of proposed sale to the public: As soon 
as practicable after this Post-Effective Amendment No. 2 becomes effective. 
    

   If any of the securities being registered on this form are being offered 
on a delayed or continuous basis pursuant to Rule 415 under the Securities 
Act of 1933, check the following box. [ ] 

   If this Form is filed to register additional securities for an offering 
pursuant to Rule 462(b) under the Securities Act, check the following box and 
list the Securities Act registration statement number of the earlier 
effective registration statement for the same offering. [ ] 

   If this Form is a post-effective amendment filed pursuant to Rule 462(c) 
under the Securities Act, check the following box and list the Securities Act 
registration statement number of the earlier effective registration statement 
for the same offering. [ ] 

   If delivery of the prospectus is expected to be made pursuant to Rule 434, 
check the following box. [ ] 

   
    

================================================================================
<PAGE> 

Information contained herein is subject to completion or amendment. A 
registration statement relating to these securities has been filed with the 
Securities and Exchange Commission. These securities may not be sold nor may 
offers to buy be accepted prior to the time the registration statement 
becomes effective. This prospectus shall not constitute an offer to sell or 
the solicitation of an offer to buy nor shall there be any sale of these 
securities in any State in which such offer, solicitation or sale would be 
unlawful prior to registration or qualification under the securities laws of 
any such State. 


   
                  SUBJECT TO COMPLETION, DATED JANUARY 22, 1997
    


                               2,245,000 Shares 


                               [Pegasystems Logo]
                                Pegasystems Inc.

                                 Common Stock 
                          (par value $.01 per share) 
                                 -------------

Of the 2,245,000 shares of Common Stock offered hereby, 1,500,000 are being 
sold by Pegasystems Inc. ("Pegasystems" or the "Company") and 745,000 shares 
are being sold by the Selling Stockholders. See "Principal and Selling 
Stockholders." The Company will not receive any of the proceeds from the sale 
of shares by the Selling Stockholders. 

   See "Risk Factors" beginning on page 5 for certain considerations relevant 
to an investment in the Common Stock. 

   
The last reported sale price of the Common Stock, which is quoted under the 
symbol "PEGA" on the Nasdaq National Market, was $30.4375 per share on 
January 21, 1997. See "Price Range of Common Stock." 
    

                                ------------- 

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND 
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES 
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE 
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY 
IS A CRIMINAL OFFENSE. 

                                ------------- 

<TABLE>
<CAPTION>
                   Initial Public     Underwriting      Proceeds to      Proceeds to Selling 
                   Offering Price     Discount (1)      Company (2)         Stockholders 
<S>                  <C>                <C>              <C>                  <C>
Per Share            $                  $                $                    $ 
Total (3)            $                  $                $                    $ 
</TABLE>

- ------------- 

(1) The Company and the Selling Stockholders have agreed to indemnify the 
    Underwriters against certain liabilities, including liabilities under the 
    Securities Act of 1933. See "Underwriting." 

(2) Before deducting expenses of the offering payable by the Company, 
    estimated to be $300,000. 

(3) The Company has granted to the Underwriters an option for 30 days to 
    purchase up to an additional 336,750 shares at the initial offering price 
    per share, less the underwriting discount, solely to cover 
    over-allotments, if any. If such option is exercised in full, the total 
    initial public offering price, underwriting discount and proceeds to 
    Company will be $          , $          and $          , respectively. 
    See "Underwriting." 

                                ------------- 


  The shares offered hereby are offered severally by the Underwriters, as 
specified herein, subject to receipt and acceptance by them and subject to 
their right to reject any order in whole or in part. It is expected that 
certificates for the shares will be ready for delivery in New York, New York, 
on or about       , 1997, against payment therefor in immediately available 
funds. 


Goldman, Sachs & Co. 
                     Cowen & Company 
                                      Montgomery Securities 

                                ------------- 


                 The date of this Prospectus is      , 1997. 


<PAGE> 

   IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR 
EFFECT TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE 
COMMON STOCK OF THE COMPANY AT A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE 
PREVAIL IN THE OPEN MARKET. SUCH TRANSACTIONS MAY BE EFFECTED ON THE NASDAQ 
NATIONAL MARKET, IN THE OVER-THE-COUNTER MARKET OR OTHERWISE. SUCH 
STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME. 

   IN CONNECTION WITH THIS OFFERING, CERTAIN UNDERWRITERS AND SELLING GROUP 
MEMBERS (IF ANY) OR THEIR RESPECTIVE AFFILIATES MAY ENGAGE IN PASSIVE MARKET 
MAKING TRANSACTIONS IN THE COMMON STOCK ON THE NASDAQ NATIONAL MARKET IN 
ACCORDANCE WITH RULE 10b-6A UNDER THE SECURITIES EXCHANGE ACT OF 1934. SEE 
"UNDERWRITING." 

<PAGE>

Illustration, set over a map of the world, of the Company's three-tier,
client/server environment. A central server is connected to three satellite
servers, with rules and code replicated on all servers.

Foldout: Illustration omitted:

Illustration of the Pegasystems' "service backbone." A circle, revolving around
customers, is divided into six segments corresponding to the customer service
management functions supported by the Company's products, each segment
containing labeled icons representing examples of such functions. In the
"receiving" segment are icons representing computer inbound faxes, PegaView-ACE
and Internet connections, high speed computer network links and shows computer
screens demonstrating PegaView-ACE and Internet access; in the "reporting"
segment, icons representing productivity, service and quality management,
relational database interfaces and opportunity analysis; in the "resolving"
segment, icons representing advisor checklists, system-driven processing and
multi-currency accounting; in the "responding" icon, outbound faxes, internet
electronic mail and personalized letters and automated followups; in the
"researching" segment, icons representing on-line disks, micrographics and
virtual archive opticals and tapes; and in the "routing" segment, prioritization
and queuing, rule-driven workflow, electronic baskets and clustered work.

Inside cover: Illustration omitted:

Illustration of dispersed departments of an organization interacting with
customers contacting the organization through various means, each such
department connected to the organization's integrated service backbone, which is
represented by a circle divided into six segments corresponding to the customer
management functions supported by the Company's products support (receiving,
reporting, resolving, responding, researching and routing).


<PAGE> 

                              PROSPECTUS SUMMARY 

   The following summary is qualified in its entirety by the more detailed 
information and the Consolidated Financial Statements and Notes thereto 
appearing elsewhere in this Prospectus. Investors should carefully consider 
the information set forth under the heading "Risk Factors." 

                                 The Company 

   Pegasystems develops customer service management software to automate 
customer interactions across transaction-intensive enterprises. Many of the 
world's largest banks, mutual funds and credit card organizations use the 
Company's solutions to integrate, automate, standardize and manage a broad 
array of mission-critical customer service activities, including account 
set-up, record retrieval, correspondence, disputes, investigations and 
adjustments. The Company's systems can be used by thousands of concurrent 
users to manage customer interactions and to generate billions of dollars a 
day in resulting transactions. Work processes initiated by the Company's 
systems are driven by a highly adaptable "rule base" defined by the 
user-organization for its specific needs. The rule base facilitates a high 
level of consistency in customer interactions, yet drives different processes 
depending on the customer profile or the nature of the request. The Company's 
open, multi-tier, client/server systems operate on a broad variety of 
platforms, including UNIX, Windows/NT and IBM/MVS. The Company offers 
consulting, training and support services to facilitate the use of its 
solutions. 

   Intensifying competition is forcing businesses to reduce costs while 
focusing on customer service management as an important means of 
differentiation. Due to the volume and precise nature of their transactions, 
it is especially critical for financial services organizations to implement 
cost-effective systems to manage customer interactions accurately and 
efficiently. The Company's solutions provide a service backbone that drives 
intelligent processing and seamlessly integrates an organization's 
geographically dispersed and product specific service operations and isolated 
computer systems. By bridging these "islands of automation" within large 
organizations, the Company's solutions increase the efficiency of service 
representatives and enable organizations to address multiple customer needs 
during a single contact. 

   The Company's objective is to become the leading provider of 
mission-critical client/server customer service management software to 
organizations performing a high volume of complex interactions with demanding 
customers. To achieve this objective, the Company is pursuing a number of 
strategies, including expanding its marketing to additional business units 
within its existing customers; leveraging its relationships and expertise 
with large financial services organizations to penetrate the medium-sized 
financial services market; targeting new markets such as insurance, 
telecommunications and public utilities which have similar customer service 
management needs; and developing standard product templates to facilitate the 
more rapid implementation of its solutions. 

   
   The Company markets its software and services primarily through a direct 
sales force which consisted of 15 people as of December 31, 1996. The Company 
intends to increase substantially the size and productivity of its sales 
force, both of which will be necessary if the Company is to achieve 
significant revenue growth in the future. 
    

   The Company was incorporated in the Commonwealth of Massachusetts in April 
1983 and has been profitable in each quarter since the first quarter of 1985. 

   The Company's principal executive offices are located at 101 Main Street, 
Cambridge, Massachusetts 02142, and its telephone number is (617) 374-9600. 

   Pegasystems, PegaCARD, PegaCLAIMS, PegaSHARES, PegaTRACE, PegaINDEX, 
PegaPRISM, PegaREELAY, PegaSEARCH, PegaVIEW-ACE, PegaSTAR, Integrated Service 
Backbone, Service Excellence Through Automation, and Virtual Archive are 
trademarks of the Company. This Prospectus also includes trademarks of 
companies other than the Company. 

                                      3 
<PAGE> 

                                 The Offering 

<TABLE>
<CAPTION>
<S>                                         <C>
   
 Common Stock offered by the Company         1,500,000 shares 
Common Stock offered by the Selling            745,000 shares 
  Stockholders 
Common Stock to be outstanding after        28,012,200 shares (1) 
  the offering 
Use of proceeds by the Company              For general corporate purposes, including working 
                                            capital, product development, capital expenditures and 
                                            possible acquisitions. See "Use of Proceeds." 
Nasdaq National Market symbol               PEGA 
</TABLE>
    

- ------------- 

   
(1) Based on the number of shares of Common Stock outstanding on December 31, 
    1996, plus 120,000 shares of Common Stock issuable upon exercise of stock 
    options to be exercised immediately prior to the closing of this 
    offering. Excludes 2,462,250 shares of Common Stock issuable upon 
    exercise of stock options outstanding as of December 31, 1996, at a 
    weighted average exercise price of $5.29 per share, of which options to 
    purchase 563,570 shares were then exercisable. See "Capitalization" and 
    "Management--Stock Plans." 
    

                     Summary Consolidated Financial Data 
                    (in thousands, except per share data) 

<TABLE>
<CAPTION>
                                                                             Nine Months Ended 
                                               Year ended December 31,         September 30, 
                                          -------------------------------  --------------------- 
                                             1993       1994       1995       1995      1996 
                                           ---------  ---------  ---------  ------------------- 
<S>                                         <C>        <C>       <C>        <C>        <C>
Consolidated Statement of Income Data: 
Total revenue                               $10,212    $16,263   $22,247    $14,355    $20,956 
Income from operations                          793      2,236     3,257      1,010      4,514 
License interest income                       1,305      1,457     1,486      1,122      1,127 
Net income                                    1,233      2,193     2,878      1,290      3,567 
Net income per common and common 
  equivalent share                          $  0.05    $  0.09   $  0.11    $  0.05    $  0.14 
Weighted average number of common and 
  common equivalent shares outstanding       24,231     24,102    25,551     25,600     25,952 
</TABLE>

<TABLE>
<CAPTION>
   
                                             September 30, 1996 
                                         --------------------------- 
                                          Actual    As Adjusted (1) 
                                         ---------  ---------------- 
<S>                                       <C>          <C>
Consolidated Balance Sheet Data: 
Cash and cash equivalents                 $25,419      $ 68,304
Working capital                            34,521        77,406 
Long-term license installments, net        18,032        18,032 
Total assets                               59,728       102,613 
Stockholders' equity                       48,136        91,021 
</TABLE>
    

- ------------- 

   
(1) Gives effect to (i) the sale of the 1,500,000 shares of Common Stock 
    offered by the Company hereby at an assumed public offering price of 
    $30.4375 per share, after deducting the estimated underwriting discount 
    and offering expenses payable by the Company, and (ii) the exercise of 
    stock options to purchase 120,000 shares of Common Stock at an exercise 
    price of approximately $0.33 per share, which exercise will occur 
    immediately prior to the closing of this offering. See "Use of Proceeds" 
    and "Capitalization." 
    

Unless otherwise indicated herein, all information in this Prospectus (i) has 
been adjusted to give effect to a 15-for-1 split of the outstanding Common 
Stock, in the form of a stock dividend, effective December 9, 1994, (ii) has 
been adjusted to give effect to a 3-for-1 split of the outstanding Common 
Stock, in the form of a stock dividend, effective July 10, 1996, and (iii) 
assumes no exercise of the Underwriters' over-allotment option. See 
"Description of Capital Stock" and "Underwriting." 

                                      4 
<PAGE> 

                                 RISK FACTORS 

   This Prospectus contains forward-looking statements within the meaning of 
Section 27A of the Securities Act of 1933, as amended. Discussion containing 
such forward-looking statements may be found in the material set forth under 
"Prospectus Summary," "Risk Factors," "Use of Proceeds," "Management's 
Discussion and Analysis of Financial Condition and Results of Operations" and 
"Business," as well as within this Prospectus generally. Actual results could 
differ materially from those projected in the forward- looking statements as 
a result of the risk factors set forth below and the matters set forth in 
this Prospectus generally. The Company cautions the reader, however, that 
this list of factors may not be exhaustive. The following risk factors should 
be considered carefully in addition to the other information contained in 
this Prospectus before purchasing the Common Stock offered hereby. 

Potential Fluctuations in Quarterly Results; Seasonality 

   The Company's revenue and operating results have varied considerably in 
the past, and are likely to vary considerably in the future. Such 
fluctuations may be particularly pronounced because a significant portion of 
the Company's revenue in any quarter is attributable to product acceptances 
or license renewals by a relatively small number of customers, and reflects 
the Company's policy of recognizing license fee revenue upon product 
acceptance or license renewal in an amount equal to the present value of the 
total committed license payments due during the initial license term or 
renewal period, as the case may be. Product acceptance is preceded by an 
implementation period, typically ranging from three to six months but in some 
cases significantly longer, and by a lengthy sales cycle. The Company's sales 
cycle is subject to a number of significant risks over which the Company has 
little or no control, including customers' budgeting constraints and internal 
authorization reviews. Product implementation may be delayed for a variety of 
reasons including unforeseen technical problems and changes dictated by the 
customer in the scope or schedule of the implementation. Other factors 
contributing to fluctuations in the Company's revenue and operating results 
include changes in the level of operating expenses, demand for the Company's 
products and services, the introduction of new products and product 
enhancements by the Company and its competitors, competitive conditions in 
the industry and general economic conditions. The Company budgets its product 
development and other expenses anticipating future revenue. If revenue falls 
below expectations, the Company's business, operating results and financial 
condition are likely to be materially and adversely affected because only a 
small portion of the Company's expenses vary with its revenue. As a result, 
the Company believes that period-to-period comparisons of its operating 
results are not necessarily meaningful and should not be relied upon to 
predict future performance. There can be no assurance that the Company will 
be able to maintain profitability on an annual or quarterly basis. 

   The Company's business has experienced and may continue to experience 
significant seasonality. In recent years the Company has recognized a greater 
percentage of its revenue in its third and fourth quarters than in the first 
and second quarters due to the Company's sales commission structure and the 
impact of that structure on the timing of product acceptances and license 
renewals by customers. This pattern is reinforced by the Company's 
maintenance contracts, which entitle customers to, among other things, a 
fixed number of hours of service per calendar year. Once the annual allotment 
of service hours is exhausted, customers pay for additional services on an 
hourly basis, typically resulting in higher services revenue in the Company's 
second, third and fourth quarters. 

   Due to the foregoing factors, it is possible that in some future quarters 
the Company's operating results will fall below the expectations of the 
Company, market analysts and investors. In such event, the price of the 
Company's Common Stock would likely be materially and adversely affected. See 
"Management's Discussion and Analysis of Financial Condition and Results of 
Operations." 

Dependence on New Products; Rapid Technological Change; Product Development 
and Implementation Risks 

   The market for customer management software and related consulting and 
training services is subject to rapid technological change, changing customer 
needs and preferences, frequent new product introductions, and evolving 
programming languages and industry standards that may render existing 
products and services obsolete. The Company's position in its current market 
or other markets that it may enter could be eroded rapidly by product 
advances. The life cycles of the Company's products are difficult 

                                      5 
<PAGE> 

to estimate, and the Company's growth and future performance will depend in 
part upon its ability to enhance existing products, and to develop and 
introduce new products that keep pace with technological advancements, meet 
changing customer requirements, respond to competitive products, and achieve 
market acceptance. The Company's product development efforts require and are 
expected to continue to require substantial investments by the Company for 
research, refinement and testing, and there can be no assurance that the 
Company will have the resources sufficient to make such investments. The 
Company has in the past experienced developmental delays, and there can be no 
assurance that the Company will not experience difficulties which would delay 
or prevent the successful development, introduction or implementation of new 
or enhanced products. In addition, there can be no assurance that such 
products will meet the requirements of the marketplace and achieve market 
acceptance, or that the Company's current or future products will conform to 
changing industry requirements. If the Company is unable for technological or 
other reasons to develop, introduce or implement new or enhanced products in 
a timely and effective manner, the Company's business, operating results and 
financial condition could be materially and adversely affected. 

   Products as complex as the Company's may contain errors that may be 
detected at any point in the products' life cycles. In the past, the Company 
has discovered certain errors in its products and has experienced shipping 
delays while such errors were corrected. Such errors have also required the 
Company to ship corrected products to existing customers. There can be no 
assurance that errors will not be found in the future resulting in the loss 
of, or delay in, market acceptance and/or sales and revenue, diversion of 
development resources, injury to the Company's reputation, or increased 
service and warranty costs, any of which could have a material adverse effect 
on the Company's business, operating results and financial condition. See 
"Business--Products" and "--Product Development." 

Computing Platform Shift; Compatibility with Third Party Relational Databases 

   The majority of large financial services organizations have traditionally 
used IBM MVS or Digital Equipment Corporation VMS systems for transaction 
processing. Increasingly, however, such organizations are migrating towards 
more open UNIX and Windows/NT server operating systems to meet their 
transaction processing requirements. Responding to this trend, and while 
continuing to support its core IBM and Digital Equipment Corporation 
platforms, the Company commenced efforts in 1992 to evolve versions of its 
products to use the C++ programming language and run on a variety of open 
platforms. In December 1995, for the first time one of the new C++ versions 
of the Company's products was used in production by a customer of the 
Company. The Company has since shipped new C++ versions of its products for 
use on RS 6000/AIX, Digital OpenVMS, Sun Solaris and Windows/NT platforms, of 
which the RS 6000/AIX, Digital OpenVMS and Sun Solaris systems have been 
brought into initial production use. The Company is actively working with 
customers to bring additional installations of these products into 
production. There can be no assurance that the new versions of the Company's 
products will meet the requirements of the marketplace and achieve market 
acceptance, or that organizations will not migrate to other computing 
platforms not supported by the Company. Moreover, there can be no assurance 
that, notwithstanding the benefits of the new versions of the Company's 
products, some of the Company's existing customers may choose not to migrate 
to UNIX and Windows/NT systems. In such event, the Company may be required to 
support both the old and new versions of its products, which could have a 
material adverse effect on its business, operating results and financial 
condition. 

   
   The Company believes that the compatibility of customer service management 
software systems with popular relational databases is an important factor in 
the purchase decision of many organizations. Consequently, the Company 
recently developed and shipped Sun Solaris and Windows/NT versions of its 
software capable of storing work items in Oracle and Microsoft SQL Server 
relational databases. However, the Company's existing and potential customers 
may demand that the Company's systems be compatible with other relational 
databases and there can be no assurance that the Company will not experience 
difficulties which would delay or prevent the successful development or 
introduction of these additional capabilities. Any such difficulty could have 
a material and adverse effect on the Company's business, operating results 
and financial condition. See "Business--Product Development." 
    

                                      6 
<PAGE> 

Dependence on the Financial Services Market; Industry Consolidation 

   The Company has derived all of its revenue to date from customers in the 
financial services market, and the Company's future growth depends, in large 
part, upon increased sales to this market. The financial condition of the 
Company's customers and their willingness to pay for the Company's products 
and services are affected by competitive pressures, decreasing operating 
margins within the industry, currency fluctuations, active geographic 
expansion and deregulation. The Company believes that its customers' 
purchasing patterns are somewhat discretionary. As a result, demand for the 
Company's products and services could be affected by the condition of the 
financial services market or a deterioration in economic or market conditions 
generally. 

   The financial services market is undergoing intense domestic and 
international consolidation. In recent years, several customers of the 
Company have been merged or consolidated out of independent existence, and 
there is no assurance that the Company will not experience declines in 
revenue occasioned, in whole or in part, by future mergers or consolidations. 
Any decline in the demand for the Company's products would have a material, 
adverse effect on the Company's business, operating results and financial 
condition. See "Business--Customers." 

Uncertainty of Growth into other Markets 

   As part of its growth strategy the Company is exploring the possibility of 
applying its technology to the customer service management requirements of 
markets other than financial services, such as insurance, telecommunications, 
medical, public utilities and retail. The Company believes that in connection 
with such efforts it will be necessary for the Company to hire additional 
personnel with expertise in these other markets. There can be no assurance 
that the Company will be successful in adapting its technology to these other 
markets or in attracting and retaining personnel with the necessary industry 
expertise. The inability of the Company to penetrate these other markets 
could have a material adverse effect on its business, operating results and 
financial condition. See "Business--Business Strategy." 

Risks of Customer License Non-Renewal 

   To date, a substantial majority of the Company's licenses have been 
renewed upon expiration. Revenue attributable to license renewals accounted 
for 32%, 26% and 28% of the Company's total revenue in 1993, 1994 and 1995, 
respectively, and in each period was attributable to a relatively small 
number of customers. There can be no assurance that a substantial majority of 
the Company's customers will continue to renew expiring licenses; any such 
non-renewal would require the Company to obtain revenue from other sources in 
order to achieve its revenue targets. A decrease in the Company's license 
renewal rate without offsetting revenue from other sources would have a 
material adverse effect on the Company's business, results of operations and 
financial condition. See "Management's Discussion and Analysis of Financial 
Condition and Results of Operations," "Business--Customers" and Notes 1 and 8 
of Notes to Consolidated Financial Statements. 

Control by Existing Stockholders 

   
   Upon completion of this offering, Alan Trefler, the Company's President 
and a member of its Board of Directors, will own approximately 77% of the 
Company's outstanding Common Stock (76% if the over-allotment option granted 
to the Underwriters is exercised in full). As of December 31, 1996, there were 
outstanding options to purchase 2,582,250 shares of the Company's Common 
Stock, of which options to purchase 683,570 shares were then exercisable. 
Assuming the exercise of all such outstanding options, Mr. Trefler would own 
approximately 71% of the outstanding Common Stock (70% if the over-allotment 
option granted to the Underwriters is exercised in full). There can be no 
assurance that any such stock options will be exercised. Accordingly, Mr. 
Trefler will be able to control the Company through his ability to determine 
the outcome of elections of the Company's directors, amend the Company's 
Restated Articles of Organization and Restated By-laws and take certain other 
actions requiring the vote or consent of stockholders of the Company. This 
concentration of ownership may have the effect of delaying or preventing a 
change in control of the Company. See "Principal and Selling Stockholders." 
    

                                      7 
<PAGE> 

Dependence on Key Personnel 

   The Company's future success depends to a significant extent on Mr. 
Trefler, its other executive officers and certain technical, managerial, 
consulting, sales and marketing personnel. The loss of the services of any of 
these individuals or group of individuals could have a material adverse 
effect on the Company's business, operating results and financial condition. 
None of the Company's executive officers has entered into an employment 
contract with the Company, although each is subject to a non-disclosure and 
non-competition agreement with the Company. The Company does not have, and is 
not contemplating securing, any significant amount of key-man life insurance 
on any of its executive officers or other key employees. The Company believes 
that its future success also will depend significantly upon its ability to 
attract, motivate and retain additional highly skilled technical, managerial, 
consulting, sales and marketing personnel. In particular, delays in hiring 
and training qualified sales personnel would adversely affect the Company's 
operating results due to the substantial time period between the 
identification of new customers and the successful implementation and 
acceptance of the Company's products by those customers. Because developing, 
selling and maintaining the Company's products requires extensive knowledge 
of computer hardware and operating systems, programming languages and 
application software, the number of qualified potential employees is limited. 
Moreover, competition for such personnel is intense, and there can be no 
assurance that the Company will be successful in attracting and retaining the 
personnel it requires to continue to grow and operate profitably. 

Intense Competition 

   The market for customer service management software and related consulting 
and training services is relatively new, intensely competitive and highly 
fragmented. The Company encounters significant competition from internal 
information systems departments of potential or existing customers that 
develop custom software. The Company also competes with companies that target 
the customer interaction or workflow markets, and professional services 
organizations that develop custom software in conjunction with rendering 
consulting services. Such competitors vary in size and in the scope and 
breadth of products and services offered. The Company anticipates increased 
competition for market share and pressure to reduce prices and make sales 
concessions, which could materially and adversely affect the Company's 
business, operating results and financial condition. 

   Many of the Company's competitors have greater resources than the Company, 
and may be able to respond more quickly and efficiently to new or emerging 
technologies, programming languages or standards, or to changes in customer 
requirements or preferences. Many of the Company's competitors can devote 
greater managerial or financial resources than the Company can to develop, 
promote and distribute customer service management software products and 
provide related consulting and training services. There can be no assurance 
that the Company's current or future competitors will not develop products or 
services which may be superior in one or more respects to the Company's or 
which may gain greater market acceptance. Some of the Company's competitors 
have established or may establish cooperative arrangements or strategic 
alliances among themselves or with third parties, thus enhancing their 
abilities to compete with the Company. It is likely that new competitors will 
emerge and rapidly acquire market share. There can be no assurance that the 
Company will be able to compete successfully against current or future 
competitors or that the competitive pressures faced by the Company will not 
materially and adversely affect its business, operating results and financial 
condition. See "Business--Competition." 

Management of Growth 

   The growth in the size, geographic scope and complexity of the Company's 
business and the expansion of its product offerings and customer base have 
placed and are expected to continue to place a significant strain on the 
Company's management, operations and capital needs. The Company's continued 
growth, if any, will require it to hire, train and retain many employees both 
in the United States and abroad, particularly additional sales and financial 
personnel, and will also require the Company to enhance its financial and 
managerial controls and reporting systems. There is no assurance that the 
Company can manage its growth effectively or that the Company will be able to 
attract and retain the 

                                      8 
<PAGE> 

necessary personnel to meet its business challenges. If the Company is unable 
to manage its growth effectively, the Company's business, operating results 
and financial condition could be materially and adversely affected. See 
"Business--Business Strategy" and "--Sales and Marketing." 

Risks Associated with International Operations; Currency and Other Risks 

   Sales to customers headquartered outside of the United States represented 
approximately 24% and 10% of the Company's total revenue in 1994 and 1995, 
respectively. The Company, in part through its wholly-owned subsidiary based 
in the United Kingdom, markets products and renders consulting and training 
services to customers based in Canada, the United Kingdom, France, 
Switzerland, Ireland, Luxembourg, Mexico and Sweden and is in negotiations 
with potential customers based in other foreign countries. The Company 
recently established an office in Paris, France, and may establish additional 
offices in continental Europe, Australia or elsewhere in the Pacific Rim. The 
Company believes that its continued growth will necessitate expanded 
international operations requiring a diversion of managerial attention and 
financial resources. The Company anticipates hiring additional personnel to 
accommodate international growth, and the Company may also enter into 
agreements with local distributors, representatives or resellers. If the 
Company is unable to do one or more of these things in a timely manner, the 
Company's growth, if any, in its foreign operations will be restricted, and 
the Company's business, operating results and financial condition could be 
materially and adversely affected. 

   In addition, there can be no assurance that the Company will be able to 
maintain or increase international market demand for its products. Most of 
the Company's international sales are denominated in U.S. dollars. 
Accordingly, any appreciation of the value of the U.S. dollar relative to the 
currencies of those countries in which the Company distributes its products 
may place the Company at a competitive disadvantage by effectively making its 
products more expensive as compared to those of its competitors. 

   Additional risks inherent in the Company's international business 
activities generally include unexpected changes in regulatory requirements, 
increased tariffs and other trade barriers, the costs of localizing products 
for local markets and complying with local business customs, longer accounts 
receivable patterns and difficulties in collecting foreign accounts 
receivable, difficulties in enforcing contractual and intellectual property 
rights, heightened risks of political and economic instability, the 
possibility of nationalization or expropriation of industries or properties, 
difficulties in managing international operations, potentially adverse tax 
consequences (including restrictions on repatriating earnings and the threat 
of "double taxation"), enhanced accounting and internal control expenses, and 
the burden of complying with a wide variety of foreign laws. There can be no 
assurance that one or more of these factors will not have a material adverse 
effect on the Company's foreign operations, and, consequentially, the 
Company's business, operating results and financial condition. See 
"Management's Discussion and Analysis of Financial Condition and Results of 
Operations" and "Business--Sales and Marketing." 

Dependence upon Proprietary Rights; Risks of Infringement 

   The Company's success is heavily dependent upon its ability to protect its 
proprietary technology. To protect its proprietary rights, the Company relies 
on a combination of copyright, trademark and trade secret laws, as well as 
confidentiality agreements. The Company also has one United States patent 
application pending. However, existing patent, copyright, trademark and trade 
secret laws afford only limited protection. In addition, many countries' laws 
do not protect the Company's proprietary rights to the same extent as do the 
laws of the United States. Accordingly, there can be no assurance that the 
Company will be able to protect its proprietary rights against unauthorized 
third party copying, use or exploitation, any of which could have a material 
adverse effect on the Company's business, operating results and financial 
condition. 

   Attempts may be made to copy or reverse engineer aspects of the Company's 
products, or to obtain, use or exploit information or methods which the 
Company deems proprietary. Additionally, there can be no assurance that the 
Company's customers and others will not develop products which infringe upon 
the Company's rights, or that compete with the Company's products. Policing 
the use of the Company's products is difficult and expensive, and there is no 
assurance that such efforts would prove effective. 

                                      9 
<PAGE> 

Litigation or other action may be necessary in the future to enforce the 
Company's proprietary rights, to seek and confirm patent protection for the 
Company's technologies, or to determine the validity and scope of the 
proprietary rights of others. The Company expects that its software products 
may increasingly be subject to claims as the number of products and 
competitors in the Company's markets grows and the functionality of such 
products overlaps. Such litigation or proceedings, whether or not 
meritorious, could result in substantial costs and diversions of resources 
and management's attention, and could have a material adverse impact on the 
Company's business, operating results and financial condition. See 
"Business--Intellectual Property and Licenses." 

Reliance on Certain Relationships 

   The Company has a number of third party relationships that are significant 
to its sales, marketing and support activities and product development 
efforts. The Company relies upon relational database management systems 
applications and development tool vendors, software and hardware vendors, and 
consultants to provide marketing and sales opportunities for the Company's 
direct sales force, and strengthen its product offerings through the use of 
industry-standard tools and utilities. The Company has also recently begun 
establishing relationships with third parties that will distribute the 
Company's products. The Company's strategy in entering into these 
relationships is to keep pace with the technological and marketing 
developments of major software vendors, to acquire technical assistance for 
the Company's product development efforts and to leverage the Company's sales 
and marketing capabilities. There can be no assurance that these companies, 
most of which have significantly greater financial and marketing resources 
than the Company, will not develop or market software products which compete 
with the Company's products in the future or will not otherwise discontinue 
their relationships with or support of the Company. The failure of the 
Company to maintain its existing relationships, or to establish new 
relationships in the future, because of a divergence of interests, 
acquisition of one or more of these third parties, or for any other reason, 
could have a material adverse effect on the Company's business, results of 
operations and financial condition. 

Product Liability; Warranty Claims 

   The Company's license agreements with its customers typically contain 
provisions intended to limit the nature and extent of the Company's liability 
for product liability claims or claims arising from breaches of warranties. 
There is no assurance that such limitations would withstand judicial scrutiny 
or that they would bind a party not in direct privity with the Company. 
Furthermore, some of the Company's licenses with its customers are governed 
by laws other than those of the United States, and there is no assurance that 
purported limitations on liability would be enforced were foreign law to 
govern. Although the Company has not experienced any material product 
liability claims to date, the license and support of products by the Company 
and the incorporation of third party products and components may entail the 
risk of such claims. A product liability suit or action claiming a breach of 
warranty, whether or not meritorious, could result in substantial costs and a 
diversion of management's attention and the Company's resources, which costs 
and diversion could have a material adverse effect on the Company's business, 
operating results and financial condition. Additionally, a suit alleging a 
product defect or a breach of an express or implied warranty, if successful, 
may also have an adverse precedential effect on other or future actions. 

Lack of Prior Dividends; No Plans to Pay Dividends in the Foreseeable Future 

   The Company has never declared or paid cash dividends and does not 
anticipate paying cash dividends in the foreseeable future. The Company's 
current bank line prohibits payment of dividends without the bank's consent. 

Potential Adverse Effects of Anti-Takeover Provisions; Possible Issuance of 
Preferred Stock 

   The Company's Restated Articles of Organization (the "Restated Articles") 
and Restated By-Laws contain provisions that may make it more difficult for a 
third party to acquire, or discourage acquisition bids for, the Company. The 
Restated Articles and Restated By-Laws provide that a stockholder seeking to 
have business conducted at a meeting of stockholders must give notice to the 
Company not less than 90 days prior to the scheduled meeting. The Restated 
By-Laws further provide that a special stockholders meeting may be called by 
the president or the Board of Directors or upon the request of stockholders 

                                      10 
<PAGE> 

holding at least 40% of the voting power of the Company. The Restated 
Articles and Restated By-Laws provide for a classified Board of Directors, 
and for the removal of directors only for cause upon the affirmative vote of 
the holders of a majority of the shares entitled to vote. Moreover, upon 
completion of this offering, the Company will be subject to an anti-takeover 
provision of the Massachusetts General Laws which prohibits, subject to 
certain exceptions, a holder of 5% or more of the outstanding voting stock of 
a corporation from engaging in certain transactions with the corporation, 
including a merger or stock or asset sale. These provisions could limit the 
price that certain investors might be willing to pay in the future for shares 
of the Company's Common Stock and may have the effect of preventing changes 
in the management of the Company. In addition, shares of the Company's 
Preferred Stock may be issued in the future without further stockholder 
approval and upon such terms and conditions, and having such rights, 
privileges and preferences, as the Board of Directors may determine. The 
rights of the holders of Common Stock will be subject to, and may be 
adversely affected by, the rights of any holders of Preferred Stock that may 
be issued in the future. The issuance of Preferred Stock, while providing 
desirable flexibility in connection with possible acquisitions and other 
corporate purposes, could have the effect of making it more difficult for a 
third party to acquire, or discouraging a third party from acquiring, a 
majority of the outstanding voting stock of the Company. The Company has no 
present plans to issue any shares of Preferred Stock. See "Description of 
Capital Stock." 

Shares Eligible for Future Sale 

   
   Sales of substantial amounts of shares of Common Stock in the public 
market following this offering could adversely affect the market price of the 
Common Stock. On the date of this Prospectus, in addition to the 5,872,900 
shares (including the 2,245,000 offered hereby) freely tradeable without 
restriction or further registration under the Securities Act of 1933, as 
amended (the "Securities Act"), 36,000 shares of Common Stock will be 
eligible for future sale in the public market pursuant to Rule 144 or Rule 
701 under the Securities Act. Upon the expiration of lock-up agreements 
between certain stockholders of the Company and the representatives of the 
Underwriters 120 days after the date of the Prospectus, an additional 
22,103,300 shares will become eligible for sale in the public market, subject 
to the provisions of Rule 144 under the Securities Act. The representatives 
of the Underwriters may waive some or all of the provisions of such lock-up 
agreements on a case-by-case or general basis, all without notice to the 
Company, its stockholders or any market on which the Common Stock may then be 
trading. See "Shares Eligible for Future Sale" and "Underwriting." 
    

   
   As of December 31, 1996, giving effect to the exercise of options for the 
purchase of 120,000 shares immediately prior to the closing of this offering, 
options to purchase a total of 2,462,250 shares were outstanding (of which 
563,570 were then exercisable) and 3,287,750 shares were reserved for future 
issuance under the Company's stock plans. Shares issuable upon exercise of 
such options and issuable under such stock plans are eligible for sale in the 
public market, subject to Rule 144 limitations applicable to affiliates. See 
"Shares Eligible for Future Sale." 
    

Potential Volatility of Stock Price 

   The market price of the Company's Common Stock has been volatile and could be
subject to wide fluctuations in the future in response to quarter-to-quarter
variations in operating results, the gain or loss of significant contracts,
announcements of technological developments or new products by the Company and
its competitors, changes in earnings estimates by analysts, market conditions in
the industry and general economic conditions. In addition, the stock market has
experienced volatility that has particularly affected the market prices for the
stock of many technology companies and that often has been unrelated to the
operating performance of such companies. These market fluctuations may adversely
affect the market price of the Company's Common Stock. See "Price Range of
Common Stock" and "Underwriting."

                                      11 
<PAGE> 

                               USE OF PROCEEDS 

   
   The net proceeds to the Company from the sale of the 1,500,000 shares of 
Common Stock offered by the Company pursuant to this offering are estimated 
to be $42,845,000 ($52,531,000 if the Underwriters' over-allotment option is 
exercised in full), after deducting the estimated underwriting discount and 
offering expenses payable by the Company. The principal purposes of this 
offering are to increase the Company's equity capital and to increase the 
visibility of the Company in the marketplace. The Company intends to use the 
net proceeds from this offering for general corporate purposes, including 
working capital, product development and capital expenditures. 
    

   The Company may seek acquisitions of businesses, products and technologies 
that are complementary to those of the Company, and a portion of the net 
proceeds may be used for such acquisitions. While the Company engages from 
time to time in discussions with respect to potential acquisitions, the 
Company has no plans, commitments or agreements with respect to any such 
acquisitions as of the date of this Prospectus, and there can be no assurance 
that any such acquisitions will be made. Pending such uses, the Company 
intends to invest the net proceeds from this offering in short-term, 
investment-grade, interest-bearing securities. 

                         PRICE RANGE OF COMMON STOCK 

   The Company's Common Stock has been traded on the Nasdaq National Market 
under the symbol "PEGA" since the Company's initial public offering in July 
1996. The following table shows the high and low sale prices for one share of 
Common Stock on the Nasdaq National Market for the periods indicated. 

   
                                                 High      Low 
                                               ------------------ 
1996 
- ----
Third quarter (beginning July 19, 1996)         $27.00    $10.00 
Fourth quarter                                  $37.00    $26.125 
    

   
   On January 21, 1997, the closing sale price of the Common Stock was 
$30.4375. As of January 21, 1997, there were approximately 27 holders of 
record of the Company's Common Stock. 
    

                               DIVIDEND POLICY 

   The Company has never declared or paid any cash dividends on its Common 
Stock and does not anticipate paying any cash dividends in the foreseeable 
future. The Company currently intends to retain future earnings to fund the 
development and growth of its business. The Company's current loan agreement 
with a bank prohibits the payment of dividends without the bank's consent. 

                                      12 
<PAGE> 

                                CAPITALIZATION 

   
   The following table sets forth the capitalization of the Company as of 
September 30, 1996 and as adjusted to give effect to the sale of 1,500,000 
shares of Common Stock offered by the Company hereby at an assumed public 
offering price of $30.4375 per share and the receipt of the proceeds 
therefrom, after deducting the estimated underwriting discount and offering 
expenses payable by the Company. See "Use of Proceeds." This information 
should be read in conjunction with the Company's Consolidated Financial 
Statements and the Notes thereto appearing elsewhere in this Prospectus. 
    


<TABLE>
<CAPTION>
   
                                                            September 30, 1996 
                                                         ------------------------ 
                                                           Actual    Adjusted (1) 
                                                          ---------  ------------- 
                                                           (in thousands except 
                                                            share-related data) 
<S>                                                      <C>         <C>
Stockholders' equity 
 Common Stock, $.01 par value, 45,000,000 shares 
  authorized, 26,372,000 shares issued and outstanding 
  (actual); and 27,992,000 shares issued and outstanding 
  (as adjusted) (2) (3)                                    $   264     $   280 
Additional paid-in capital                                  29,994      72,863 
Deferred compensation                                          (77)        (77) 
Retained earnings                                           18,089      18,089 
Cumulative foreign currency translation adjustment            (134)       (134) 
                                                          ---------  --------- 
  Total stockholders' equity                                48,136      91,021 
                                                          ---------  --------- 
   Total capitalization                                    $48,136     $91,021 
                                                          =========  ========= 
</TABLE>
    

- ------------- 

   
(1) Adjusted to give effect to (i) the sale of 1,500,000 shares of Common 
    Stock offered by the Company hereby at an assumed public offering price 
    of $30.4375 per share, after deducting the estimated underwriting discount 
    and offering expenses payable by the Company, and (ii) the exercise of 
    stock options to purchase 120,000 shares of Common Stock at an exercise 
    price of approximately $0.33 per share, which exercise will occur 
    immediately prior to the closing of this offering.
    

(2) Includes 120,000 shares of Common Stock issuable upon exercise of stock 
    options to be exercised immediately prior to the closing of this 
    offering. 

(3) Excludes 2,397,950 shares of Common Stock issuable pursuant to the 
    exercise of options outstanding at September 30, 1996, of which options 
    to purchase 401,390 shares were then exercisable. See "Management--Stock 
    Plans." 

                                      13 
<PAGE> 

                     SELECTED CONSOLIDATED FINANCIAL DATA 

   The selected consolidated financial data at December 31, 1994 and 1995 and 
for the three years ended December 31, 1995, are derived from consolidated 
financial statements of Pegasystems Inc., which have been audited by Ernst & 
Young LLP, independent auditors. The selected consolidated financial data at 
December 31, 1991, 1992 and 1993 and for each of the two years ended December 
31, 1992, are derived from consolidated financial statements of the Company 
audited by Ernst & Young LLP but not included in this Prospectus. The 
selected consolidated financial data presented below at and for the nine 
months ended September 30, 1995 and 1996 are derived from the Company's 
unaudited financial statements also appearing herein and which, in the 
opinion of management, include all adjustments, consisting only of normal 
recurring adjustments, necessary for a fair presentation of the financial 
position and the results of operations for the unaudited interim periods. The 
results of operations for the nine months ended September 30, 1996 are not 
necessarily indicative of the results that may be expected for the full year 
or for any future period. The data presented below should be read in 
conjunction with the consolidated financial statements, related notes and 
other financial information included herein. See "Management's Discussion and 
Analysis of Financial Condition and Results of Operations." 

<TABLE>
<CAPTION>
                                                                                    Nine Months Ended 
                                            Year Ended December 31,                   September 30, 
                               -------------------------------------------------- --------------------- 
                                 1991      1992      1993       1994      1995       1995       1996 
                               --------  --------  ---------  --------- ---------  --------- ---------- 
                                                (in thousands, except per share data) 
<S>                            <C>       <C>       <C>        <C>       <C>        <C>       <C>
Consolidated Statement of 
  Income Data: 
Total revenue                  $ 7,784   $ 8,963   $10,212    $16,263    $22,247    $14,355   $20,956 
Income from operations           1,858     1,944       793      2,236      3,257      1,010     4,514 
License interest income            987     1,220     1,305      1,457      1,486      1,122     1,127 
Net income                       1,791     1,867     1,233      2,193      2,878      1,290     3,567 
Net income per common and 
common equivalent share        $  0.07   $  0.08   $  0.05    $  0.09    $  0.11    $  0.05   $  0.14 
Weighted average common and 
  common equivalent shares 
  outstanding                   24,471    24,471    24,231     24,102     25,551     25,600    25,952 
</TABLE>

<TABLE>
<CAPTION>
                                                     December 31,                   September 30, 
                                    -------------------------------------------------------------- 
                                     1991      1992      1993     1994      1995         1996 
                                    -------- --------  --------  -------- -------- --------------- 
                                                                 (in thousands) 
<S>                                 <C>      <C>       <C>       <C>      <C>         <C>
Consolidated Balance Sheet Data: 
Cash and cash equivalents           $    80  $   336   $   435   $   456  $   511      $25,419 
Working capital                       1,904    3,428     4,231     4,441    4,393       34,521 
Long-term license installments, 
  net                                 5,512    6,319     6,782     9,135   13,399       18,032 
Total assets                         11,992   14,387    17,057    20,787   25,876       59,728 
Long-term debt                          108      118       458       450      816           -- 
Stockholders' equity                  6,576    8,444     9,676    11,872   14,674       48,136 

</TABLE>

                                      14 
<PAGE> 

                   MANAGEMENT'S DISCUSSION AND ANALYSIS OF 
                FINANCIAL CONDITION AND RESULTS OF OPERATIONS 

   The following discussion of the financial condition and results of 
operation of the Company should be read in conjunction with the Company's 
Consolidated Financial Statements and Notes thereto, and the other financial 
information included elsewhere in this Prospectus. 

Overview 

   The Company was founded in April 1983 to develop, market and support 
customer management software solutions for financial services organizations. 
Product development began immediately and by the end of the year the Company 
had secured its first customer. The Company has been profitable in each 
fiscal quarter since the first quarter of 1985. 

   The Company's revenue is derived from two sources: software license fees 
and services revenue. License fees, which have historically represented the 
majority of the Company's total revenue, are generally payable on a monthly 
basis under license agreements which typically have a five-year term and are 
subject to renewal at the customer's option for an additional fixed period. 
Such license agreements are generally non-cancellable, although some may be 
terminated by the licensee for a fee prior to the expiration of the initial 
term but after a minimum specified period. The Company's licenses generally 
provide for annual license fee increases (the "inflation adjustments") based 
on recognized inflation indexes (sometimes subject to maximums). The Company 
believes that both it and its customers derive substantial benefits from the 
recurring fee model because it encourages the Company to be responsive to 
customer needs and provides the Company with additional revenue opportunities 
through license renewals. 

   License revenue is recognized upon product acceptance. In the case of 
license renewals, revenue is recognized upon execution of the renewal 
agreement or if, as is generally the case, renewal is automatic unless the 
customer gives notice of termination, at the expiration of the period during 
which the customer has the right to terminate. The inflation adjustments are 
recognized ratably over the months to which they apply. In accordance with 
Statement of Position No. 91-1 issued by the American Institute of Certified 
Public Accountants, the amount of software license revenue recognized upon 
product acceptance or license renewal is equal to the present value of the 
payments due during the minimum initial or renewal term, as the case may be, 
plus the present value of any early termination fee. In 1993, 1994 and 1995 
and the three months ended March 31, 1996, the discount rate for purposes of 
the present value calculation was 7%; for the three months ended June 30, 
1996 and September 30, 1996, such discount rate was 6.75%. Commencing with 
the three months ended March 31, 1996, the Company has established and 
intends to continue to establish the discount rate quarterly based on the 
Company's then current marginal borrowing rate, reduced, with respect to 
licenses which provide for inflation adjustments, by 1.5%, reflecting the 
Company's estimate of the benefit of future inflation adjustments during the 
minimum license term. The imputed interest portion of the license fees, which 
is reported as license interest income in the Company's consolidated 
statements of income, is recognized over the minimum initial or the renewal 
term, as the case may be. To date, a substantial majority of the Company's 
software licenses have been renewed upon expiration. License renewals 
accounted for 32%, 26% and 28% of total revenue in 1993, 1994 and 1995, 
respectively. The fact that a significant portion of the Company's revenue is 
derived from the renewal of license agreements with fixed expiration dates 
assists the Company in anticipating future revenue. 

   The Company's services revenue is comprised of fees for implementation, 
consulting, maintenance and training services. All software license customers 
are required to enter into a maintenance contract requiring the customer to 
pay a monthly maintenance fee over the term of the related license agreement 
equal to approximately 18% of the license fee. Maintenance fees are 
recognized ratably over the term of the maintenance agreement. The Company's 
software license agreements typically require the Company to provide a 
specified level of implementation services for a fixed fee, typically with 
additional implementation services available at an hourly rate. 
Implementation fees are payable upon the achievement of specified milestones. 
The Company generally recognizes implementation as well as consulting and 
training fees as the services are provided. 

                                      15 
<PAGE> 

   In accordance with generally accepted accounting principles, the Company 
has capitalized certain software development costs which it has typically 
amortized over two years. No such costs, however, were capitalized in 1995 or 
in the nine months ended September 30, 1996. At September 30, 1996, the 
Company carried $123,000 of capitalized software development costs. These 
costs will be fully amortized by the end of 1996. As a result, the Company 
expects that its cost of software license revenue will be lower in 1997 than 
in 1996. 

   The Company's export revenue has fluctuated considerably in the past due 
to the fact that such revenue has been largely attributable to a small number 
of product acceptances during a given period. The Company's export revenue 
increased from $1.0 million in 1993 to $3.9 million in 1994 due primarily to 
product acceptance by a single customer in Ireland in 1994, the year in which 
the Company organized its subsidiary in the United Kingdom. Export revenue 
declined to $2.3 million in 1995 due to the lack of large product acceptances 
during the year. 

   Most of the Company's contracts are denominated in U.S. dollars, although 
several are denominated in other currencies, primarily British pounds 
sterling. The Company expects that in the future more of its contracts will 
be denominated in foreign currencies. The Company has not experienced any 
significant foreign exchange gains or losses, and the Company does not expect 
that foreign currency fluctuations will have a significant effect on either 
its revenue or costs in the near term. 

Results of Operations 

   The following table sets forth, for the periods indicated, certain items 
in the Company's consolidated statement of income reflected as a percentage 
of total revenue: 

<TABLE>
<CAPTION>
                                                            Nine Months 
                                       Year Ended              Ended 
                                      December 31,         September 30, 
                                ------------------------- ---------------- 
                                 1993     1994     1995    1995     1996 
                                 ------- -------  ------- ------- -------- 
<S>                               <C>      <C>     <C>      <C>      <C>
Revenue: 
 Software license                 63.1%    59.4%   60.8%    58.6%    61.5% 
 Services                         36.9     40.6    39.2     41.4     38.5 
                                 ------- -------  ------- ------- -------- 
  Total revenue                  100.0    100.0   100.0    100.0    100.0 
                                 ------- -------  ------- ------- -------- 
Cost of revenue: 
 Cost of software license         12.2      6.6     2.9      3.5      1.7 
 Cost of services                 21.8     23.3    27.7     29.7     23.9 
                                 ------- -------  ------- ------- -------- 
  Total cost of revenue           34.0     29.9    30.6     33.2     25.6 
                                 ------- -------  ------- ------- -------- 
  Gross profit                    66.0     70.1    69.4     66.8     74.4 
                                 ------- -------  ------- ------- -------- 
Operating expenses: 
 Research and development         36.9     33.5    31.7     34.5     28.1 
 Sales and marketing              13.2     16.2    16.1     17.7     18.5 
 General and administrative        8.2      6.7     6.9      7.6      6.3 
                                 ------- -------  ------- ------- -------- 
  Total operating expenses        58.3     56.4    54.7     59.8     52.9 
                                 ------- -------  ------- ------- -------- 
Income from operations             7.7     13.7    14.7      7.0     21.5 
License interest income           12.8      9.0     6.7      7.8      5.4 
Other interest income              0.3      0.1     0.1      0.1      1.4 
Interest expense                  (0.3)    (0.3)   (0.5)    (0.4)    (0.4) 
                                 ------- -------  ------- ------- -------- 
Income before provision for 
  income taxes                    20.5     22.5    21.0     14.5     27.9 
Provision for income taxes         8.4      9.0     7.9      5.5     10.9 
                                 ------- -------  ------- ------- -------- 
Net income                        12.1%    13.5%   13.1%     9.0%    17.0% 
                                 ======= =======  ======= ======= ======== 
</TABLE>

                                      16 
<PAGE> 

Nine Months Ended September 30, 1996 Compared to Nine Months Ended 
September 30, 1995 

   Revenue 

   Total revenue for the nine months ended September 30, 1996 (the "1996 
Period") increased 46.0% to $21.0 million from $14.4 million for the nine 
months ended September 30, 1995 (the "1995 Period"). The increase was 
primarily due to an increase in software license revenue. 

   Software license revenue for the 1996 Period increased 53.3% to $12.9 
million from $8.4 million for the 1995 Period. The increase in software 
license revenue was primarily attributable to software license acceptances by 
new customers, software license agreement renewals, expanded software usage 
by existing customers, the licensing of standard product templates and 
inflation-based increases in monthly license fees. 

   Services revenue for the 1996 Period increased 35.7% to $8.1 million from 
$5.9 million for the 1995 Period. The increase in services revenue was 
primarily attributable to increased demand for consulting and implementation 
services, and to a lesser extent, increased maintenance revenue from a larger 
installed product base. 

   Cost of Revenue 

   Cost of software license consists of amortization expense related to 
capitalized software development costs, royalty payments to third party 
software vendors and costs of product media, duplication and packaging. Cost 
of software license for the 1996 Period decreased 30.3% to $354,000 from 
$508,000 for the 1995 Period, and decreased as a percentage of total revenue 
from 3.5% for the 1995 Period to 1.7% for the 1996 Period. As a percentage of 
software license revenue, cost of software license decreased from 6.0% for 
the 1995 Period to 2.7% for the 1996 Period. Such decreases were due to 
decreased amortization expense related to capitalized software development 
costs. 

   Cost of services consists primarily of the costs of providing 
implementation, consulting, maintenance and training services. Cost of 
services for the 1996 Period increased 17.6% to $5.0 million from $4.3 
million for the 1995 Period mainly due to increased staffing in the Company's 
Reengineering and Client Services group in the United Kingdom and in the 
Company's domestic regional offices to meet growing client commitments. Cost 
of services as a percentage of total revenue declined from 29.7% for the 1995 
Period to 23.9% for the 1996 Period, and declined as a percentage of services 
revenue from 71.7% for the 1995 Period to 62.1% for the 1996 Period, in both 
cases due to the growth in the Company's total revenue and increased 
utilization of service personnel. 

   Operating Expenses 

   Research and development expenses consist primarily of the cost of 
personnel and equipment needed to conduct the Company's research and 
development efforts. Research and development expenses for the 1996 Period 
increased 18.9% to $5.9 million from $4.9 million for the 1995 Period. The 
increase in research and development expenses was due to the hiring of 
additional development personnel. As a percentage of total revenue, research 
and development expenses declined from 34.5% for the 1995 Period to 28.1% for 
the 1996 Period reflecting the Company's strategy of leveraging existing 
product functionality by shifting its historical focus on research and 
development to sales and marketing. 

   Sales and marketing expenses for the 1996 Period increased 52.2% to $3.9 
million from $2.5 million for the 1995 Period. As a percentage of total 
revenue, sales and marketing expenses increased from 17.7% for the 1995 
Period to 18.5% for the 1996 Period. Such increases were attributable to the 
hiring of additional direct sales and marketing personnel, increased sales 
commission payments attributable to higher sales, and increased investment in 
marketing support activities and materials. 

   General and administrative expenses consist primarily of the salaries of 
the Company's executive, administrative and financial personnel, and 
associated expenses. General and administrative expenses for the 1996 Period 
increased 22.2% to $1.3 million from $1.1 million for the 1995 Period due to 
increased investment in the infrastructure needed to support the Company's 
growth. Such expenses declined as a percentage of total revenue from 7.6% for 
the 1995 Period to 6.3% for the 1996 Period due to the growth in the 
Company's total revenue. 

                                      17 
<PAGE> 

   License Interest Income 

   License interest income represents the portion of all license fees due 
under software license agreements which was not recognized upon product 
acceptance or license renewal. License interest income for the 1996 Period 
and the 1995 Period remained constant at $1.1 million. 

   Provision for Income Taxes 

   The provisions for federal, state and foreign taxes were $790,000 and $2.3 
million for the 1995 Period and the 1996 Period, respectively. The effective 
tax rates were 38% for the 1995 Period and 39% for the 1996 Period. The 
increase in the effective tax rate was primarily due to the reduced 
availability of research and development tax credit carryforwards. At 
September 30, 1996, the Company had $420,000 in research and development tax 
credit carryforwards available to offset future federal taxable income. 

Year Ended December 31, 1995 Compared to Year Ended December 31, 1994 

   Revenue 

   Total revenue for 1995 increased 36.8% to $22.2 million from $16.3 million 
for 1994 due primarily to an increase in software license revenue, and to a 
lesser extent, an increase in services revenue. 

   Software license revenue for 1995 increased 40.0% to $13.5 million from 
$9.7 million in 1994 due to increased product acceptances and license 
renewals. 

   Services revenue for 1995 increased 32.1% to $8.7 million from $6.6 
million in 1994 primarily due to an increase in the amount of implementation 
and consulting services provided, and to a lesser extent, increases in the 
billing rates of the personnel providing these services and an increase in 
training revenue. 

   Cost of Revenue 

   Cost of software license for 1995 decreased 40.9% to $640,000 from $1.1 
million for 1994, and decreased as a percentage of total revenue from 6.6% 
for 1994 to 2.9% for 1995. As a percentage of software license revenue, cost 
of software license decreased from 11.1% for 1994 to 4.7% for 1995. Such 
decreases were due to reduced amortization of capitalized software 
development costs. 

   Cost of services for 1995 increased 62.5% to $6.2 million from $3.8 
million for 1994 and increased as a percentage of total revenue from 23.3% 
for 1994 to 27.7% for 1995. Cost of services as a percentage of total 
services revenue increased from 57.4% for 1994 to 70.7% for 1995. Such 
increases were due to the hiring of additional personnel to provide 
implementation and consulting services to support the Company's growing 
customer base. 

   Operating Expenses 

   Research and development expenses for 1995 increased 29.8% to $7.1 million 
from $5.4 million for 1994 as a result of increased efforts by the Company to 
develop versions of its products capable of running on multiple UNIX 
platforms in a client/server environment. As a percentage of total revenue, 
research and development expenses declined from 33.5% for 1994 to 31.7% for 
1995 due to the growth in the Company's total revenue. 

   Sales and marketing expenses for 1995 increased 36.6% to $3.6 million from 
$2.6 million for 1994 due to the hiring of additional sales and marketing 
personnel, increased sales commission payments and increased investment in 
trade shows and other sales and marketing efforts. As a percentage of total 
revenue, sales and marketing expenses decreased slightly from 16.2% for 1994 
to 16.1% for 1995 due to growth in the Company's total revenue. 

   General and administrative expenses for 1995 increased 41.2% to $1.5 
million from $1.1 million for 1994 due to increased management recruiting 
costs, the establishment of two new regional offices in Chicago and 
Dallas/Fort Worth and the relocation of the Company's United Kingdom office. 
General and administrative expenses were 6.9% of total revenue in 1995 and 
6.7% in 1994. 

   License Interest Income 

   License interest income for 1995 and 1994 remained constant at $1.5 
million. 

                                      18 
<PAGE> 

   Provision for Income Taxes 

   The provisions for federal, state and foreign taxes were $1.5 million and 
$1.8 million for 1994 and 1995, respectively. The effective tax rates were 
40% for 1994 and 38% for 1995. The decrease in the effective tax rate was 
primarily due to increased availability of research and development tax 
credits. See Note 7 of Notes to Consolidated Financial Statements. 

Year Ended December 31, 1994 Compared to Year Ended December 31, 1993 

   Revenue 

   Total revenue for 1994 increased 59.2% to $16.3 million from $10.2 million 
for 1993. In January 1994, the Company organized Pegasystems Limited, a 
wholly-owned subsidiary based in the United Kingdom. In its first year of 
operation, Pegasystems Limited introduced the Company's products into 
Ireland, France and Luxembourg. Financial results for 1994 and subsequent 
years reflect the consolidated earnings of Pegasystems Inc. and Pegasystems 
Limited. 

   Software license revenue represented 59.4% and 63.1% of total revenue for 
1994 and 1993, respectively. Software license revenue for 1994 increased 
49.8% to $9.7 million from $6.4 million for 1993. The increase in software 
license revenue in 1994 was primarily attributable to increased product 
acceptances by customers headquartered outside of the United States. The 
Company's software license revenue from customers headquartered outside of 
the United States was $3.1 million, or 32.5% of software license revenue, and 
$0.7 million, or 10.8% of software license revenue, in 1994 and 1993, 
respectively. 

   Services revenue for 1994 increased 75.3% to $6.6 million from $3.8 
million for 1993 primarily due to the increased amount of implementation and 
consulting services provided to a widening customer base. Following a focused 
internal reengineering effort which began in 1993 and continued into 1994, 
the Company redeveloped its strategy for new customer implementations leading 
to greater services revenue from more effective and timely implementations 
and the creation of standard training courses. 

   Cost of Revenue 

   Cost of software license decreased 13.5% to $1.1 million for 1994 from 
$1.2 million for 1993 and decreased as a percentage of total revenue from 
12.2% for 1993 to 6.6% for 1994. As a percentage of software license revenue, 
cost of software license decreased from 19.3% for 1993 to 11.1% for 1994. 
Such decreases were due to reduced amortization of capitalized software 
development costs. 

   Cost of services for 1994 increased 70.3% to $3.8 million from $2.2 
million for 1993 and increased as a percentage of total revenue from 21.8% 
for 1993 to 23.3% for 1994. Such increases were due to the costs associated 
with establishing the Company's United Kingdom office in January 1994 and 
with developing new training facilities in Cambridge, Massachusetts and San 
Francisco, California. Cost of services as a percentage of total services 
revenue decreased from 59.2% for 1993 to 57.4% for 1994 due to increased 
utilization of service personnel. 

   Operating Expenses 

   Research and development expenses for 1994 increased 44.4% to $5.4 million 
from $3.8 million for 1993 primarily as a result of efforts by the Company to 
develop versions of its products capable of running on multiple UNIX 
platforms in a client/server environment. As a percentage of total revenue, 
research and development expenses declined to 33.5% for 1994 from 36.9% for 
1993 due to growth in the Company's total revenue. 

   Sales and marketing expenses for 1994 increased 94.7% to $2.6 million from 
$1.4 million for 1993, representing 16.2% and 13.2% of total revenue in the 
respective years. Such increases reflected the establishment of a sales 
operation in the United Kingdom and increased sales commission payments. 

   General and administrative expenses for 1994 increased 30.8% to $1.1 
million from $830,000 for 1993 due to overhead associated with the expansion 
of the Company's headquarters in Cambridge, Massachusetts, relocation of the 
regional office in San Francisco, California, and the establishment of 

                                      19 
<PAGE> 

operations in the United Kingdom. General and administrative expenses as a 
percentage of total revenue declined slightly to 6.7% for 1994 from 8.2% for 
1993 due to the growth in the Company's total revenue. 

   License Interest Income 

   License interest income for 1994 increased 11.6% to $1.5 million from $1.3 
million in 1993 primarily due to the prepayment by one customer in 1994 of 
certain monthly software license fees. 

   Provision for Income Taxes 

   The provisions for federal, state and foreign taxes were $860,000 and $1.5 
million for 1993 and 1994, respectively. The effective tax rates were 41% for 
1993 and 40% for 1994. The decrease in the effective tax rate was primarily 
due to the use of certain tax credits. See Note 7 of Notes to Consolidated 
Financial Statements. 

Quarterly Operating Results 

   The following tables set forth certain unaudited consolidated financial 
information for each of the four quarters in 1995 and for the first three 
quarters of 1996. In management's opinion, this unaudited quarterly 
information has been prepared on the same basis as the audited consolidated 
financial statements and includes all adjustments (consisting only of normal 
recurring adjustments) necessary for a fair presentation of the information 
for the quarters presented, when read in conjunction with the audited 
consolidated financial statements and notes thereto included elsewhere in 
this Prospectus. The Company believes that quarter-to-quarter comparisons of 
its financial results are not necessarily meaningful and should not be relied 
upon as an indication of future performance. 

                                      20 
<PAGE> 

<TABLE>
<CAPTION>
                                                     Three Months Ended 
                     --------------------------------------------------------------------------------- 
                     March 31,  June 30, September 30, December 31,  March 31, June 30,  September 30, 
                        1995      1995        1995         1995        1996      1996         1996 
                     --------- ---------  ------------------------- ---------  ---------  ------------- 
                                           (in thousands except percentage data) 
<S>                    <C>       <C>        <C>          <C>          <C>        <C>        <C>
Consolidated Statement of Income Data: 
Revenue: 
 Software license      $2,209    $2,581      $3,624       $5,114      $2,520    $3,874       $6,502 
 Services               1,796     2,113       2,032        2,778       2,421     2,575        3,064 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
  Total revenue         4,005     4,694       5,656        7,892       4,941     6,449        9,566 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Cost of revenue: 
 Cost of software 
  license                 191       190         127          127         118       118          118 
 Cost of services       1,249     1,404       1,605        1,903       1,405     1,584        2,017 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
  Total cost of 
  revenue               1,440     1,594       1,732        2,030       1,523     1,702        2,135 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Gross profit            2,565     3,100       3,924        5,862       3,418     4,747        7,431 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Operating expenses: 
 Research and 
   development         $1,438    $1,640      $1,871       $2,112      $1,604    $1,918       $2,361 
 Sales and marketing      797       867         878        1,050         974     1,282        1,614 
 General and 
  administrative          327       380         381          453         389       399          541 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
  Total operating 
    expenses            2,562     2,887       3,130        3,615       2,967     3,599        4,516 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Income from 
  operations                3       213         794        2,247         451     1,148        2,915 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
License interest 
  income                  370       368         384          364         368       378          381 
Other interest 
  income                    6         4           6            0          12        11          273 
Interest expense          (18)      (17)        (33)         (50)        (39)      (30)         (16) 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Income before 
  provision for 
  income taxes            361       568       1,151        2,561         792     1,507        3,553 
Provision for income 
  taxes                   137       216         437          973         311       588        1,386 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
Net income             $  224    $  352      $  714       $1,588      $  481    $  919       $2,167 
                     ========= =========  ==========   ==========   =========  =========  ========== 
Percent of Total 
  Revenue: 
Revenue: 
 Software license        55.2%     55.0%       64.1%        64.8%       51.0%     60.1%        68.0% 
 Services                44.8      45.0        35.9         35.2        49.0      39.9         32.0 
                     --------- ---------  ----------   ----------   ---------  ---------  ---------- 
  Total revenue         100.0     100.0       100.0        100.0       100.0     100.0        100.0 
Cost of revenue: 
 Cost of software 
  license                 4.8       4.1         2.2          1.6         2.4       1.8          1.2 
 Cost of services        31.2      29.9        28.4         24.1        28.4      24.6         21.1 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
  Total cost of 
  revenue                36.0      34.0        30.6         25.7        30.8      26.4         22.3 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
Gross profit             64.0      66.0        69.4         74.3        69.2      73.6         77.7 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
Operating expenses: 
 Research and 
   development           35.9      34.9        33.1         26.8        32.5      29.7         24.7 
 Sales and marketing     19.9      18.5        15.5         13.3        19.7      19.9         16.9 
 General and 
  administrative          8.2       8.1         6.7          5.7         7.8       6.2          5.6 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
  Total operating 
    expenses             64.0      61.5        55.3         45.8        60.0      55.8         47.2 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
Income from 
  operations              0.0       4.5        14.1         28.5         9.2      17.8         30.5 
License interest 
  income                  9.2       7.8         6.8          4.6         7.4       5.9          4.0 
Other interest 
  income                  0.2       0.1         0.1          0.0         0.2       0.1          2.9 
Interest expense         (0.4)     (0.3)       (0.6)        (0.7)       (0.8)     (0.4)        (0.2) 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
Income before 
  provision for 
  income taxes            9.0      12.1        20.4         32.4        16.0      23.4         37.2 
Provision for income 
  taxes                   3.4       4.6         7.8         12.3         6.3       9.1         14.5 
                     --------- ---------  ----------   ------------ ---------  ---------  ---------- 
Net income                5.6%      7.5%       12.6%        20.1%        9.7%     14.3%        22.7%
                     ========= =========  ==========   ============ =========  =========  ========== 
</TABLE>

                                      21 
<PAGE> 

   The Company's business has experienced and is expected to continue to 
experience significant seasonality. In recent years the Company has 
recognized a greater percentage of its revenue in its third and fourth 
quarters than in its first and second quarters due to the Company's sales 
commission structure and the impact of that structure on the timing of 
product acceptances and license renewals by customers. This pattern is 
reinforced by the Company's maintenance contracts, which entitle customers 
to, among other things, a fixed number of hours of service per calendar year. 
Once the annual allotment of service hours is exhausted, customers pay for 
additional services on an hourly basis, typically resulting in higher 
services revenue in the Company's second, third and fourth quarters. 

   Cost of software license has been declining due to decreasing amortization 
expense relating to capitalized software development costs. No software 
development costs were capitalized in 1995 or the first nine months of 1996. 

   The increase in total operating expenses in the fourth quarter of 1995 
reflected primarily an adjustment for bad debt exposure which developed in 
such quarter. 



Three Months Ended December 31, 1996

    The Company expects that its total revenue for the three months ended
December 31, 1996 (the "1996 Fourth Quarter") will be approximately $12.6
million, an increase of 60% from the Company's total revenue for the three
months ended December 31, 1995 (the "1995 Fourth Quarter") of $7.9 million.
Software license revenue is expected to increase 83% to approximately $9.4
million in the 1996 Fourth Quarter from $5.1 million for the 1995 Fourth
Quarter, while services revenue is expected to increase 16% to approximately
$3.2 million for the 1996 Fourth Quarter from $2.8 million for the 1995 Fourth
Quarter. The Company anticipates that its net income will increase 147% to
approximately $3.9 million (or 14 cents per share) for the 1996 Fourth Quarter
from $1.6 million (or 6 cents per share) for the 1995 Fourth Quarter. The
information contained in this paragraph is preliminary only, and is subject to
confirmation pending the completion of Pegasystems' year-end audit.



Liquidity and Capital Resources 

   Since its inception, the Company has funded its operations primarily 
through cash flow from operations and bank borrowings. In July 1996, the 
Company issued and sold 2,700,000 shares of Common Stock in connection with 
its initial public offering. Net proceeds to the Company from such offering 
were approximately $29.4 million. At September 30, 1996, the Company had cash 
and cash equivalents of approximately $25.4 million and working capital of 
approximately $34.5 million. The Company's approach of charging license fees 
payable in installments over the term of its licenses has historically 
deferred the receipt of cash and limited the availability of working capital. 

   Net cash provided by operating activities for the years ended December 31, 
1993, 1994 and 1995 was $1.6 million, $1.5 million and $830,000, 
respectively. Such amounts were used to support the Company's working capital 
requirements. During the nine months ended September 30, 1996, net cash used 
by operating activities was $1.8 million, primarily due to an increase in 
accounts receivable. 

   The Company used $890,000, $1.1 million, $1.4 million and $1.1 million of 
net cash during 1993, 1994, 1995, and the nine months ended September 30, 
1996, respectively, to purchase property and equipment, primarily computer 
hardware and software, to support the Company's growing employee base and new 
regional office and training facilities. The Company's capital commitments 
consist primarily of operating leases for office space and equipment. At 
December 31, 1995, the Company's commitments under noncancellable operating 
leases for office space and equipment with terms in excess of one year 
totalled $1.0 million, $1.1 million and $1.1 million for 1996, 1997 and 1998, 
respectively. The Company's total payments under such leases was $800,000, 
$860,000 and $1.1 million for 1993, 1994 and 1995, respectively. See Note 6 
of Notes to Consolidated Financial Statements. 

   The Company has a $5.0 million revolving credit line, which is unsecured 
and expires on June 30, 1997. At September 30, 1996, the Company had no 
borrowings under its revolving credit line. The Company's credit agreement 
prohibits the payment of dividends, has profitability requirements and 
requires maintenance of specified levels of tangible net worth and certain 
financial ratios. See Note 4 of Notes to Consolidated Financial Statements. 

   In 1993, the Company recorded bad debt expense in the amount of $326,000 
as a result of certain specifically identified accounts receivable relating 
primarily to services rendered by the Company. The Company recorded no bad 
debt expense in 1994. In 1995, the Company recorded bad debt expense in the 
amount of $793,000 as a result of indications in the fourth quarter of the 
year that certain receivables relating primarily to services rendered by the 
Company would not be collected in full. The receivables with respect to which 
bad debt expense was recorded in 1993 and 1995 related primarily to 
maintenance and installation services provided by the Company. At the time 
such services were rendered (and the resulting revenue was recognized) there 
was no significant uncertainty regarding the acceptance thereof and the 
collectibility of the related receivables was probable. 

                                      22 
<PAGE> 

   The Company believes that the net proceeds from this offering and its 
initial public offering together with cash generated by operations and 
availability under its bank credit facility will be sufficient to fund the 
Company's operations for at least one year following the completion of this 
offering. However, there can be no assurance that additional capital beyond 
the amounts currently forecasted by the Company will not be required or that 
any such required additional capital will be available on reasonable terms, 
if at all, at such time as required by the Company. 

Inflation 

   Inflation has not had a significant impact on the Company's operating 
results to date, nor does the Company expect it to have a significant impact 
in the future due to the fact that the Company's license and maintenance fees 
are typically subject to annual increases based on recognized inflation 
indexes. 

Significant Customers 

   In 1993, First Interstate Bank and Fidelity Investments accounted for 
approximately 12.9% and 12.3%, respectively, of the Company's total revenue. 
In 1994, Chemical Bank accounted for approximately 16.8% of the Company's 
total revenue. In 1995, Citibank, Household Credit Services and Chemical Bank 
accounted for approximately 16.2%, 14.9% and 12.6%, respectively, of the 
Company's total revenue. During the nine months ended September 30, 1996, 
Chase Manhattan Bank accounted for approximately 14.4% of the Company's total 
revenue. 

                                      23 
<PAGE> 

                                   BUSINESS 

   Pegasystems develops customer service management software to automate 
customer interactions across transaction-intensive enterprises. Many of the 
world's largest banks, mutual funds and credit card organizations use the 
Company's solutions to integrate, automate, standardize and manage a broad 
array of mission-critical customer service activities, including account 
set-up, record retrieval, correspondence, disputes, investigations and 
adjustments. The Company's systems can be used by thousands of concurrent 
users to manage customer interactions and to generate billions of dollars a 
day in resulting transactions. Work processes initiated by the Company's 
systems are driven by a highly adaptable "rule base" defined by the 
user-organization for its specific needs. The rule base facilitates a high 
level of consistency in customer interactions, yet drives different processes 
depending on the customer profile or the nature of the request. The Company's 
open, multi-tier, client/server systems operate on a broad variety of 
platforms, including UNIX, Windows/NT and IBM/MVS. The Company offers 
consulting, training and support services to facilitate the use of its 
solutions. 

Industry Background 

   Intensifying competition is forcing businesses to reduce costs while 
focusing on customer service management as an important means of 
differentiation. Many types of businesses are increasingly recognizing 
customer interactions as a critical opportunity to solidify and expand 
customer relationships. Due to the volume and precise nature of their 
transactions, it is especially critical for financial services organizations 
to implement cost-effective systems to manage customer interactions 
accurately and efficiently. 

   Providing high quality, cost-effective customer service management is 
complex. Organizations with global operations must be able to manage customer 
interactions in different languages, time zones, currencies and regulatory 
environments. The challenge is magnified as the product offerings of an 
organization increase and organizations are combined. Work processes 
occasioned by a single customer interaction often involve multiple 
departments within an organization, which may have different priorities and 
service standards, and may involve a variety of different computer systems. 
Customers may contact an organization through various means, including 
telephone, facsimile, the Internet or in person. The organization must be 
able to respond in a timely, accurate and consistent fashion or risk customer 
defection. 

   Historically, in attempting to meet demand for new customer management 
software systems, organizations have faced a choice between building custom 
systems or purchasing third party systems. Building custom systems or 
modifying third party systems can be slow and costly and has often led to 
isolated, departmentalized solutions. Traditional third party systems are 
often inflexible, requiring organizations to conform their work processes to 
the system, rather than vice-versa. Neither custom nor third party solutions 
have generally accommodated an organization's need to evolve or expand 
operations without significant programming effort. Moreover, neither has had 
the high volume transaction processing or integration capabilities necessary 
to support the comprehensive customer interaction requirements of large 
organizations. Today, organizations need flexible, scalable customer service 
management solutions that can be implemented on an enterprise-wide basis to 
facilitate consistent, cost-effective customer service management. 

   A 1995 report of the Aberdeen Group, Inc., a market research firm, 
estimates the size of the customer interaction software market at $1.7 
billion in 1996, and projects that it will grow to $2.7 billion by 1998. Of 
this market, the share held by independent software vendors is estimated at 
$540 million in 1996, growing to $925 million in 1998. The total market, as 
defined by the Aberdeen Group, includes software supporting customer service, 
internal help desks, field and telesales automation, order entry, sales or 
product configuration, service dispatching and quality assurance. 

                                      24 
<PAGE> 

The Pegasystems Solution 

   The Company's solutions integrate, automate, standardize and manage on an 
enterprise-wide basis a broad array of mission-critical customer interactions 
for financial services organizations, including account set-up, record 
retrieval, correspondence, disputes, investigations and adjustments. 
Pegasystems' solutions provide a service backbone that drives intelligent 
processing and seamlessly integrates an organization's geographically 
dispersed and product specific service operations and isolated computer 
systems. By bridging these "islands of automation" within large 
organizations, the Company's solutions increase the efficiency of service 
representatives and enable organizations to address multiple customer needs 
during a single contact. 

   The Company's customer service management solutions offer the following 
advantages: 

   Flexibility and Consistency. The Company's solutions are based on rules 
defined by the user-organization which drive various types of processing 
depending on such factors as the content of the customer request, the profile 
of the customer, the organization's policies and procedures and the authority 
or qualifications of the customer service representative. By modifying its 
rule base, an organization can evolve its processing to address the 
competitive requirements of its business without costly and time consuming 
reprogramming. Significantly, the rule base feature of the Company's systems 
permits an organization to establish consistent standards yet interact 
differently with different segments of its customer base and thereby "mass 
customize" its services. 

   Scalability and Robust Functionality. The scalability of the Company's 
multi-tier client/server architecture allows an organization to add branches 
or departments easily to new or existing servers without performance 
degradation. Organizations currently entrust the Company's systems with the 
storage and management of data relating to hundreds of millions of financial 
transactions. The Company's systems can be used by more than 4,000 concurrent 
users to manage customer interactions and to process accurately and securely 
transactions involving billions of dollars a day that result from those 
interactions. 

   Ease-of-Use. The Company's client software application, PegaVIEW-ACE, 
increases the effectiveness and productivity of customer service 
representatives by providing them with a flexible graphical user interface 
and processing capabilities that leverage the power of client/server desktop 
computers. The Company's solutions allow customer service representatives to 
focus on delivering superior customer service, rather than on mastering the 
protocols and procedures of multiple applications. 

   Integration Capabilities. The Company's open architecture permits its 
solutions to be integrated with a wide variety of other applications and 
technologies, including industry standard relational database management 
systems, advanced telephony equipment and diverse storage media (including 
magnetic, optical, tape and microfilm). The Company's solutions also support 
the message formats of major financial transaction networks such as the SWIFT 
international funds network, the Federal Reserve's Fedwire system and the 
VISA and MasterCard networks. 

   Multi-Platform Server Support. The Company's solutions feature a common 
software code base which, in addition to facilitating maintenance and 
enhancement development efforts, simplifies the support of multiple 
platforms. The Company's solutions are designed to run on a broad range of 
computer operating systems including IBM's MVS/CICS and AIX/UNIX systems, 
Digital Equipment Corporation's VMS and UNIX systems, Microsoft's Windows/NT 
system and Sun Microsystems' Solaris UNIX system. 

   Improved Efficiency of Customer Service Representatives. Pegasystems' 
solutions actually perform work, rather than simply track a customer service 
representative's tasks. Variable data elements (for example, date, amount, 
customer, account) automatically route service requests and invoke system 
processes, depending on an organization's rule base. This feature allows 
customer service representatives to focus on revenue enhancing opportunities, 
such as cross-selling, and other matters requiring personal attention. When 
service representative involvement is required during a customer interaction, 
the Company's solutions provide pertinent, consolidated information to guide 
the service representative. Savings are realized through reduced talk time, 
fewer manual processes and less rework. 

                                      25 
<PAGE> 

Business Strategy 

   Pegasystems' objective is to become the leading provider of 
mission-critical client/server customer service management software to 
organizations performing a high volume of complex interactions with demanding 
customers. To achieve this objective, the Company is pursuing the following 
strategies: 

   Leverage Strength in Financial Services Market. Pegasystems provides 
customer service management solutions to many of the largest financial 
services organizations in the world. The Company is seeking to expand its 
business with these organizations through a sales group focused on marketing 
the Company's products and services to other business operations of these 
organizations. The Company is also leveraging its relationships and expertise 
with large financial services organizations to penetrate the medium-sized 
financial services market. 

   Target Other Markets. Pegasystems believes that the insurance, 
telecommunications, medical, public utilities, retail and other markets have 
similar customer service management needs and that the Company's core technology
is readily adaptable to these additional markets. The Company is exploring these
additional markets, and if appropriate, expects to develop the necessary 
industry specific extensions of its core technology and hire or otherwise 
gain access to personnel with expertise in such markets. 

   Increase Sales and Support Efforts. Pegasystems intends to establish 
additional sales and support offices and to increase significantly its 
domestic and international direct sales forces. In addition, the Company 
plans to develop further its relationships with financial transaction 
processors and consulting firms through which the Company's products can be 
distributed and implemented. 

   Develop Standard Product Templates. The Company recently commenced 
licensing standard product templates that give organizations an advanced 
starting point for configuring their work processes. The Company intends to 
continue to develop and market standard product templates for financial 
services organizations, including templates for outbound telemarketing, 
collections and account set-up. The Company believes that these templates 
will facilitate more rapid implementation of the Company's solutions and will 
be a cost-effective way to address the needs of smaller organizations. 

   Reduce Implementation Time. The Company is continuing to refine its 
PegaSTAR consulting methodology, an approach to the reengineering of an 
organization's work processes that facilitates more rapid implementation of 
the Company's customer management systems and continued evolution of such 
systems by an organization's personnel after initial implementation. This 
methodology complements the Company's standard product templates in reducing 
the time required to implement the Company's systems. 

   Maintain Technological Leadership Position. Pegasystems is continuing to 
develop and invest in its technology. Current development efforts include the 
development of tools to facilitate the configuration by an organization of 
its customer service management system, the integration of the Company's 
products with additional databases, the Internet and intranet systems and 
support of emerging technical and workflow standards. 

Technology 

   The Company's technology is designed to optimize the performance of 
mission-critical, customer service management processes over a variety of 
computer platforms, networks and databases. Pegasystems' solutions have the 
following key technological attributes: 

   "Any-Call, Any-Time, Anywhere" Information Management. Effective customer 
response requires up-to-date information about the customer relationship, 
regardless of how, why, when or where the customer contacts the organization. 
Pegasystems' customer service management systems centralize core customer 
information to facilitate global access. 

   Multi-tier, Dynamic Distributed Processing. Although the Company's systems 
are currently used primarily in a two-tier client/server environment, they 
are also designed to run in an advanced, highly scalable three-tier 
environment. In traditional three-tier client/server environments, the user 
interface, the application code, and the data are segregated onto separate 
tiers. In the Pegasystems three-tier client/server environment, the 
application code, the rule base and selected data are replicated on both the 
central and satellite tiers so that processing may occur on either the 
central server or the distributed satellite servers to 

                                      26 
<PAGE> 

minimize network traffic and enhance performance. The rule base determines 
the optimal location for processing to occur based on the nature of the work 
required and the data involved. Rule base changes are replicated across the 
organization's central and satellite servers to facilitate consistent 
processing by all parts of the organization. 

                      Distributed Processing Environment 

[Graphic Representation of Pegasystems Worldwide
Platform Processing Environment]

Satellite Server
Code
Rules

Central Server
Code
Rules
Work Item Data

Satellite Server
Code
Rules

Satellite Server
Code
Rules


   Inherited Workflow. Pegasystems solutions maintain organizational 
consistency while providing the flexibility needed for mass customization. 
The rule base of the Company's systems may be defined so that certain 
processes are standardized across an organization while others may be 
superseded or supplemented by "local" rules tailored to the specific 
requirements of groups within the organization. 

   Resiliency. Fallback options are provided to deal with hardware or network 
failure. For example, in a three-tier environment, the PC client can bypass a 
failed satellite server and connect directly to the central server. The 
Company is presently working to enhance its systems so that should a failure 
occur at the central server, each satellite server's replicated code and rule 
base could support continued processing, with "store and forward" 
capabilities to automatically re-synchronize the central server when it 
resumes operation. 

   Platform Independence. Recognizing that organizations often use a variety 
of computer platforms, Pegasystems provides technology alternatives by 
supporting a range of mainframes, minicomputers, PC networks and interface 
devices. While the Company offers its advanced Windows-based PegaVIEW-ACE 
application for the desktop, the Company's server applications can also drive 
"dumb terminals", allowing organizations to preserve their investments in 
legacy networks. 

                                      27 
<PAGE> 

                         Pegasystems Platform Options 



[Graphic of Pegasystems Platform Options]

   
<TABLE>
<CAPTION>
        Desktop                 Local             Distributed            Global            Central
                              Networks         Satellite Servers        Networks           Servers
     <S>                     <C>                  <C>                  <C>             <C>                   <C>
        Windows                TCP/IP               IBM AIX              TCP/IP           IBM MVS
                                                      UNIX                                  CICS

       Windows 95               LU6.2               DEC Open             LU6.2             IBM AIX          
                                                      VMS                                    UNIX    
                                                                                                     
       Windows NT             Pathworks            Microsoft           Pathworks           DEC Open          Data
                                                   Windows NT                                VMS                
                                                                                                                
          OS/2                 Novell              SUN Solaris          Novell           SUN Solaris         Data
                                 IPX                  UNIX                IPX                UNIX               
                                                                                                                
        IBM 3270                 IBM                DEC UNIX              IBM              DEC UNIX          Data
    "Dumb Terminal"           VTAM LU2                                  VTAM LU2                            
                                                                                                     
    Character-Based             Async               IBM MVS              Async          Windows NT   
    "Dumb Terminal"                                   CICS                                           
                                                                                                     
       Netscape               Microsoft              HP-UX*               SNA               HP-UX*  
         Motif                   DDE                  UNIX                                   UNIX    
                                                                                                     
       Netscape               Procedure           
       Windows                  Call              * Availability planned in Q1, 1997
</TABLE>
    





   Internet and Intranet Access. Pegasystems' solutions use the 
Internet-based HTML (Hypertext Markup Language) to define display attributes 
for its PegaVIEW-ACE graphical user interface, leveraging logic and 
presentation rules between PegaVIEW-ACE and Internet/Intranet workflows. 
Pegasystems' rules dynamically create HTML forms, menus and displays, thereby 
facilitating interaction with the Internet. Pegasystems is a Netscape 
Development partner and supports the Netscape Commerce Server interface. 

   Interfacing With Other Systems. Pegasystems' open architecture permits 
integration with a wide variety of other applications and networks, including 
relational databases, legacy systems accessed through IBM 3270 emulation, and 
messaging protocols. The Company offers a Universal Application Programming 
Interface (API) that allows an organization's custom software to be 
integrated with the Company's applications without the need to modify the 
Company's core application code. Pegasystems' solutions also integrate with 
other applications, accounting systems and imaging products. The Company's 
systems support the message formats of major financial transaction networks, 
such as the SWIFT international funds network, the Federal Reserve's Fedwire 
system and the VISA and MasterCard networks. 

   
   Storage Options. Data storage flexibility is important to the Company's 
customers, and the Company's software uses an innovative object-oriented 
approach that dynamically maps data according to the type of workflow. 
Versions of the Company's systems designed to run on Windows/NT can store 
customer service request data in Microsoft's SQL Server relational database, 
and the Company has developed similar compatibility in the Windows/NT,
RS 6000/AIX and Sun Solaris environments for databases from Oracle Corporation.
    

Products 

   The Company's products employ a consistent architecture and support the 
following customer service management functions: 

   Receiving. Organizations receive service requests by telephone, mail, 
facsimile, or personal contact. Customer service representatives enter 
details of incoming requests into PegaVIEW-ACE, the Company's easy-to-use, 
graphical user interface. Alternatively, electronic service requests received 
from various networks and systems, such as the SWIFT network, Fedwire system, 
and the VISA and 

                                      28 
<PAGE> 

MasterCard networks are entered directly into the Company's system. The 
Company's systems also support direct electronic access by customers through 
PCs, Internet browsers and voice response units. In all cases, the service 
request automatically initiates appropriate processing. 

   Routing. As processing steps are completed, the Company's systems 
categorize and queue the request either for automatic or manual processing. 
Productivity-based load leveling and dynamic prioritization ensure high 
performance and responsiveness. As work is processed, each service 
representative's "work-list" is automatically updated in real time. The 
systems monitor each service request for conformance to the organization's 
timeliness standards, automatically increasing priority and generating 
warnings based on the service standards of the organization. 

   Researching. The Company's systems determine when more information is 
needed, where to locate it, and how to retrieve it from databases or other 
repositories. Pegasystems' rule-driven processing automatically extracts 
relevant data, directs it to the customer service representative or customer, 
links it to the work, and keeps it readily accessible. The Company's systems 
can access information from multiple data sources, whether maintained by the 
Company's systems or third party systems. 

   Responding. The Company's systems facilitate communications by an 
organization with its customers by combining user-defined templates and 
specific customer information to create personalized correspondence. When 
appropriate, service representatives may further refine message content 
before forwarding by mail, facsimile or electronic transmission, and may 
attach images of statements, checks and other data. Follow-up communications 
are automatically composed, customized and sent. Sensitive correspondence can 
be queued for online review before release, and the systems create a 
permanent audit trail of all customer communications. 

   Resolving. Concluding a piece of work involves application of the 
organization's rules for resolving a request or stepping the customer service 
representative through the process when human judgment is required. 
Resolution also includes the creation of transactions, transmission to 
production systems, management of financial adjustments, posting of service 
charges, updating of general ledger accounts and synchronization of multiple 
item requests. 

   Reporting. Data automatically collected by the Company's systems enables 
an organization to analyze service representative efficiency and determine 
needs for service representative training or changes to work processes. The 
Company's systems produce reports, graphical output and feeds to spreadsheets 
illustrating the volume and status of customer requests, the productivity of 
customer service representatives and service levels with specific customers. 

   The Company offers a number of different products, each with components 
and features designed to address particular business areas, but all sharing 
core technology and adaptable rule-driven processing: 

   PegaCARD manages credit and debit card customer service operations by 
supporting a wide variety of interactions with cardholders and merchants, 
including simple inquiries (for example, balances or credit limits), customer 
requests (address changes, additional cards, credit line increases) and 
problem management (disputes, chargebacks, fraud, financial adjustments, 
penalties). Automated features include processing of electronic chargeback 
messages and images from the MasterCard and VISA networks. PegaCARD allows 
service representatives to move seamlessly among multiple back-end accounting 
systems without having to be familiar with the different protocols of each 
system. 

   PegaCLAIMS manages corporate and wholesale banking customer service by 
supporting a broad spectrum of customer interactions, including inquiries 
(product terms, rates), customer requests (account data changes, duplicate 
copies), and problem management (research, financial adjustments). PegaCLAIMS 
processes customer service interactions relating to money transfers, 
securities movement and control, global custody, trade services, foreign 
exchange and cash management, and features electronic message routing, SWIFT 
processing and interbank financial compensation management. 

   PegaSHARES manages customer service for transfer agents, brokers, dealers, 
shareholder servicers and mutual fund managers by supporting inquiries (share 
balances, net asset values, transactions), customer requests (account 
changes, copies of statements) and problem resolution (incorrect purchases, 
monetary 

                                      29 
<PAGE> 

adjustments). Automated features include share transfer accounting, 
literature fulfillment and securities processing compliance. 

   PegaTRACE facilitates retail banking and check clearing customer service 
by processing inquiries (account balances, fees), customer requests (copies 
of statements, account transfers) and problem management (research, financial 
adjustments). PegaTRACE securely manages the suspense accounts that major 
organizations use to control the flow of accounting entries. Additional 
features include integration with check clearing systems, suspense ledger 
management, multi-debit/credit adjustments, and electronic check presentment 
(ECP) interfaces. 

   PegaSEARCH and PegaINDEX manage high volumes of archived data, such as 
check information, contained on multiple types of storage media including 
magnetic disk, optical disk and magnetic tape silos. These systems are 
designed for organizations that process tens of millions of checks per day 
and require seven years of archived check data. 

   PegaPRISM and PegaREELAY are used by customer service representatives to 
retrieve images, view them on a PC and correlate them with specific customer 
service requests. PegaREELAY is a specialized image retrieval product that 
automates request processing of reel microfilm. 

   PegaVIEW-ACE (the Advanced Client Environment) is a graphical client 
application designed for use with the Company's server applications to 
increase the effectiveness and productivity of customer service 
representatives. PegaVIEW-ACE organizes customer data to facilitate service 
representative effectiveness and supports graphical methods to view and enter 
information. 

Product Pricing 

   The Company's systems are licensed to organizations under agreements 
requiring the payment of fees, typically in monthly installments, over the 
term of the agreement. The amount of the license fee is based on various 
factors, including the number of concurrent users, the functionality of the 
system, the number of servers on which product is installed, and the scope of 
business usage. Typical recent individual system licenses have provided for 
the payment of monthly installments of between $5,000 and $50,000. Some 
organizations receive discounts for licensing multiple systems. The monthly 
license payments generally begin once a system is installed and accepted. The 
term of such licenses is typically five years, subject to automatic renewal 
at the organization's option. 

Services 

   
   Pegasystems' Reengineering and Client Services Group, which as of December
31, 1996 was comprised of 68 people located in the Company's six offices,
provides consulting, training and customer support.
    

   Consulting Services. The Company works with its customers during and after 
system installation to reengineer customer workflows to leverage the 
capabilities of the Company's systems. Using an installation approach based 
on its PegaSTAR (the Pegasystems Structured Technique for Analysis and 
Reengineering) methodology, the Company's consultants assist customers in six 
major areas--analysis, data collection, process definition, configuration, 
piloting and measurement. The Company encourages team building and transfer 
of knowledge from its consultants to an organization's staff through an 
interactive co-production methodology. Pegasystems and its customers work 
together to design, document and tailor the system's rule base to the 
customer's organization. Pegasystems' goal is to empower its customers' 
staffs with the knowledge and confidence to operate, refine and evolve their 
systems. 

   Training. The Company offers training programs for those persons within 
the customer organization responsible for evolving the rules that drive the 
various processes related to customer interactions. Pegasystems also 
organizes periodic user group meetings enabling customers to exchange ideas, 
learn about product directions and influence Pegasystems' development 
process. 

   Maintenance and Support. Pegasystems provides comprehensive maintenance 
and support services, which may include 24 hours a day, 7 days a week 
customer service, periodic preventative maintenance, documentation updates 
and new software releases. 

                                      30 
<PAGE> 

   Each organization which licenses the Company's systems is required to 
enter into a maintenance contract providing for the payment to the Company of 
a monthly maintenance fee over the term of the related license agreement 
equal to approximately 18% of the license fee. The Company's maintenance 
agreements typically obligate Pegasystems to provide up to a specified number 
of hours of consulting and support. Organizations seeking additional 
consulting and support services are generally charged an incremental fee 
ranging between $90 and $170 per hour. 

Customers 

   Pegasystems provides robust and scalable customer service management 
solutions that can support thousands of concurrent users based in multiple 
countries, speaking different languages, and working with different 
currencies. A representative list of the Company's major customers and the 
uses to which they apply the Company's products is shown below: 

   Advanta Services Corporation -- Credit card operations, including 
telephony center, correspondence generation, dispute and chargeback 
processing. 

   Banco Popular de Puerto Rico -- Retail service center automation, check 
research and consumer loan inquiry and service. 

   Bank of America -- Retail/check customer service and research, automation 
of branch support centers. Institutional funds transfer and foreign exchange 
customer service for U.S. and European operations. Credit and debit card 
correspondence, dispute and chargeback service processing. 

   Bank of Ireland -- Retail/check clearings and research, automation of 
branch support centers, and exception/credit item review and verification. 

   Banque Nationale de Paris -- Institutional funds transfer service, 
research and archive. 

   Barclays Bank -- Institutional funds transfer and foreign exchange 
customer service for international operations. Credit card (merchant and 
individual) service including telephony center, correspondence, dispute and 
chargeback processing. 

   Cedel Bank -- Global custody and securities movement and control customer 
service. 

   Citibank -- Global funds transfer and foreign exchange customer service. 
Check-related customer service and research. Domestic MasterCard service 
including image integration, correspondence, dispute and chargeback 
processing. 

   Colonial Group -- Mutual fund customer service supporting telephony center 
and correspondence. 

   Federal Reserve Banks of Boston and San Francisco -- Check processing 
customer service, suspense ledger management, research, adjustment and 
archive. 

   Fidelity Investments -- Mutual fund customer service supporting telephony 
center and correspondence. 

   First National Bank of Chicago -- Retail/check customer service and 
research. Wholesale banking, funds transfer, check, corporate lockbox and 
interbank compensation service for global operations. 

   Franklin/Templeton -- Mutual fund customer service supporting telephony 
center, correspondence and research. 

   Household Credit Services -- Credit card service including telephony 
center, correspondence, dispute and chargeback processing. Private label 
customer service for major retailers. 

   Marine Midland -- Institutional funds transfer customer service. 

   Mellon Bank -- Retail/check customer service, research and archive. 
Wholesale, institutional, cash management, and corporate lockbox customer 
service. 

   Prudential Securities -- "All-in-one" account support and service for 
brokerage, credit, and clearing transactions. 

   Trans Union Corporation -- Credit bureau data-management customer service 
for institutional customers and real estate property appraisal processing. 

                                      31 
<PAGE> 

Sales and Marketing 

   
   The Company markets its software and services primarily through a direct
sales force. As of December 31, 1996, the Company's sales force consisted of a
total of fifteen salespersons in the Company's domestic and foreign offices. The
Company intends to increase substantially the size of its sales force. In
addition, the Company is seeking to enhance the productivity of its direct sales
force by hiring additional support personnel to assist with the sales, marketing
and technical requirements of the Company's complex and lengthy sales cycle. To
achieve significant revenue growth in the future, it will be necessary for the
Company both to increase the size and to enhance the productivity of its direct
sales force. Competition for qualified sales personnel is intense and there can
be no assurance that the Company will be able to attract such personnel. If the
Company is unable to hire additional qualified sales personnel on a timely
basis, the Company's business, operating results and financial condition could
be materially and adversely affected. See "Risk Factors--Dependence on Key
Personnel."
    

   
   The Company has recently begun to develop an indirect distribution channel by
entering into an agreement with First Data Investor Services Group, Inc., under
which the Company's PegaSHARES product will be integrated with a shareholder
servicing product distributed by First Data. In addition, the Company has
established a joint marketing relationship with Sun Microsystems. In the future,
the Company may also market and sell its products through value added resellers
(VARs) and systems integrators. There can be no assurance, however, that the
Company will be able to attract and retain VARs, system integrators and other
third parties that will be able to market and sell the Company's products
effectively.
    

   To support its sales force, the Company conducts marketing programs which 
include trade shows, public relations and seminars. Sales leads are also 
generated by the Company's consulting staff, VARs and other third parties. 

   In 1993, 1994 and 1995, international sales represented 10%, 24% and 10%, 
respectively, of the Company's total revenue. See "Management's Discussion 
and Analysis of Financial Condition and Results of Operations--Results of 
Operations." 

Product Development 

   Since its inception, the Company has made substantial investments in 
product development. The Company believes that its future performance depends 
on its ability to maintain and enhance its current products and develop new 
products. The Company's product development priorities include (1) creating 
tools to enable organizations to configure more easily their customer service 
management systems; (2) integrating the Company's products with the Internet 
for customer self-service and with intranet systems for departmental service; 
(3) developing standard Application Programming Interfaces that allow other 
client workstation and server applications to interoperate with the Company's 
systems; and (4) enhancing existing interfaces between the Company's systems 
and popular applications such as e-mail and spreadsheets. 

   In 1993, 1994, 1995 and the nine months ended September 30, 1996, the 
Company's research and development expenses were approximately $3.8 million, 
$5.4 million, $7.1 million and $5.9 million, respectively. 

Competition 

   The customer service management software market is intensely competitive 
and subject to rapid change. Competitors vary in size and in the scope and 
breadth of the products and services offered. The Company encounters 
competition primarily from internal information systems departments of 
potential or current customers that develop custom software. The Company also 
competes with: (1) software companies that target the customer interaction or 
workflow markets such as Remedy Corporation, Scopus Technology, Inc. and The 
Vantive Corporation; (2) companies that target specific service areas such as 
DST Systems Inc. and First Data Corp.; and (3) professional services 
organizations such as Andersen Consulting that develop custom software in 
conjunction with rendering consulting services. In addition, the Company 
expects additional competition from other established and emerging companies, 
including Oracle Corporation and SAP AG, as the market continues to develop 
and expand. Increased competition may result in price reductions, less 
beneficial contract terms, reduced gross margins and loss of market share, 
any of which could materially and adversely affect the Company's business, 
operating results and financial condition. 

                                      32 
<PAGE> 

   The Company believes that the principal competitive factors affecting its 
market include product features such as adaptability, scalability, ability to 
integrate with other products and technologies, functionality and 
ease-of-use, the timely development and introduction of new products and 
product enhancements, as well as product reputation, quality, performance, 
price, customer service and support, and the vendor's reputation. Although 
the Company believes that its products currently compete favorably with 
regard to such factors, there can be no assurance that the Company can 
maintain its competitive position against current and potential competitors. 

   Many of the Company's competitors have greater resources than the Company, 
and may be able to respond more quickly and efficiently to new or emerging 
technologies, programming languages or standards, or to changes in customer 
requirements or preferences. Many of the Company's competitors can devote 
greater managerial or financial resources than the Company can to develop, 
promote and distribute customer service management software products and 
provide related consulting, training and support services. There can be no 
assurance that the Company's current or future competitors will not develop 
products or services which may be superior in one or more respects to the 
Company's or which may gain greater market acceptance. Some of the Company's 
competitors have established or may establish cooperative arrangements or 
strategic alliances among themselves or with third parties, thus enhancing 
their abilities to compete with the Company. It is likely that new 
competitors will emerge and rapidly acquire market share. There can be no 
assurance that the Company will be able to compete successfully against 
current or future competitors or that the competitive pressures faced by the 
Company will not materially and adversely affect its business, operating 
results and financial condition. See "Risk Factors--Intense Competition." 

Intellectual Property and Licenses 

   The Company relies primarily on a combination of copyright, trademark and 
trade secrets laws, as well as confidentiality agreements to protect its 
proprietary rights. The Company also has one patent application pending in 
the United States relating to the architecture of the Company's systems. 
While the Company believes that its pending patent application relates to a 
patentable invention, there can be no assurance that such patent application 
or any future patent application will be granted or that any patent relied 
upon by the Company in the future will not be challenged, invalidated or 
circumvented or that rights granted thereunder will provide competitive 
advantages to the Company. Moreover, despite the Company's efforts to protect 
its proprietary rights, unauthorized parties may attempt to copy aspects of 
the Company's products or to obtain the use of information that the Company 
regards as proprietary. In addition, the laws of some foreign countries do 
not protect the Company's proprietary rights to as great an extent as do the 
laws of the United States. There can be no assurance that the Company's means 
of protecting its proprietary rights will be adequate or that the Company's 
competitors will not independently develop similar technology. 

   The Company is not aware that any of its products infringes the 
proprietary rights of third parties. There can be no assurance, however, that 
third parties will not claim infringement by the Company with respect to 
current or future products. The Company expects that software product 
developers will increasingly be subject to infringement claims as the number 
of products and competitors in the Company's industry segment grows and the 
functionality of products in different industry segments overlaps. Any such 
claims, with or without merit, could be time-consuming, result in costly 
litigation, cause product shipment delays or require the Company to enter 
into royalty or licensing agreements. Such royalty or licensing agreements, 
if required, may not be available on terms acceptable to the Company or at 
all, which could have a material adverse effect upon the Company's business, 
operating results and financial condition. 

   From time to time, the Company licenses software from third parties for 
use with its products. The Company believes that no such license agreement to 
which it is presently a party is material and that if any such license 
agreement were to terminate for any reason, the Company would be able to 
obtain a license or otherwise acquire other comparable technology or software 
on terms and on a timetable that would not be materially adverse to the 
Company. 

                                      33 
<PAGE> 

Employees 

   
   As of December 31, 1996, the Company had a total of 220 employees, of whom 
178 were based in the United States and 42 were based in Europe. Of the 
total, 84 were in research and development, 68 were in consulting and 
customer support, 47 were in sales and marketing, and 21 were in 
administration and finance. The Company's future performance depends in 
significant part upon the continued service of its key technical, sales and 
marketing and senior management personnel and its continuing ability to 
attract and retain highly qualified technical, sales and marketing and 
managerial personnel. Competition for such personnel is intense and there can 
be no assurance that the Company will be successful in attracting or 
retaining such personnel in the future. None of the Company's employees is 
represented by a labor union or is subject to a collective bargaining 
agreement. The Company has not experienced any work stoppages and considers 
its relations with its employees to be good. See "Risk Factors-- Dependence 
on Key Personnel." 
    

Facilities 

   
   Pegasystems' principal administrative, sales, marketing, support, and
research and development operations are located in a 35,000 square foot leased
facility in Cambridge, Massachusetts. The lease for this facility expires in
March 1999, subject to the Company's option to extend the term for up to eight
additional years. The Company also leases offices in New York, New York,
Chicago, Illinois, Dallas, Texas, San Francisco, California, Reading, United
Kingdom and Paris, France pursuant to leases expiring between June 1997 and July
2006. The Company believes that additional or alternative space will be
available in the future on commercially reasonable terms as needed.
    

Legal Proceedings 

   The Company is not a party to any material pending litigation or other 
legal proceedings. 

                                      34 
<PAGE> 

                                  MANAGEMENT 

Executive Officers and Directors 

   The executive officers and directors of the Company and their ages are as 
follows: 

<TABLE>
<CAPTION>
Name                          Age                   Position 
- ----                          ---                   -------- 
<S>                           <C>     <C>
Alan Trefler                  40      President, Clerk and Director 
Clifford R. Balzer            46      Vice President of Reengineering and Client 
                                      Services 
Eugene A. Bonte               46      Vice President of Market Strategy and Delivery 
Joseph J. Friscia             41      Vice President of Sales and Marketing 
Kenneth W. Olson              46      Vice President of Technical Development 
Michael R. Pyle               42      Vice President of Applications Development 
Ira Vishner                   43      Vice President of Corporate Services, Treasurer, 
                                      Chief Financial Officer and Director 
Edward A. Maybury(1)(2)       57      Director 
Edward B. Roberts(1)          60      Director 
Leonard A. Schlesinger(2)     44      Director 
Thomas E. Swithenbank         51      Director 

</TABLE>

- ------------- 

(1) Member of Audit Committee 
(2) Member of Compensation Committee 

   Alan Trefler, a founder of the Company, has served as President and Clerk 
and has been a director since the Company's organization in 1983. Prior 
thereto, he managed an electronic funds transfer product for TMI Systems 
Corporation, a software and services company. Mr. Trefler holds a degree in 
economics and computer science from Dartmouth College. 

   Clifford R. Balzer joined the Company in December 1995 as Vice President 
of Reengineering and Client Services. From January through November 1995, he 
was a Senior Consultant for Arthur D. Little, a research and consulting firm. 
From July 1990 through January 1995, Mr. Balzer was employed as a Director of 
U.S. Consulting by DMR Group, Inc., an international consulting firm. Mr. 
Balzer holds a B.A. from Kansas Wesleyan University and an M.B.A. from 
Fordham University. 

   Eugene A. Bonte joined the Company in April 1996 as Vice President of 
Market Strategy and Development. He was a founder of Object Design, Inc., a 
developer of object database management systems and tools, where he served as 
Vice President from August 1988 through September 1995 and was responsible, 
at different times, for marketing, corporate development and product 
management. Mr. Bonte holds a B.A. from The Johns Hopkins University and an 
M.B.A. from the Harvard Business School. 

   Joseph J. Friscia joined the Company in 1984 to establish its New York 
office and has served as Vice President of Sales and Marketing since 1987. 
Prior to joining the Company, he worked as a money transfer operations 
manager with Bankers Trust Company and J. Henry Schroder Bank and Trust 
Company. Mr. Friscia holds a B.A. from Long Island University and an M.B.A. 
from Adelphi University. 

   Kenneth W. Olson, a founder of the Company, has served as Vice President 
of Technical Development since 1983. Prior thereto, he managed the 
development of specialized computer systems for large-volume transaction 
processing for TMI Systems Corporation. Mr. Olson holds an S.B. in Humanities 
and Sciences from the Massachusetts Institute of Technology. 

   Michael R. Pyle joined the Company in 1985 as an application development 
manager and has been Vice President of Applications Development since 1990. 
Mr. Pyle holds a B.C.S. from the CS College in 

                                      35 
<PAGE> 

London. Prior to joining the Company, Mr. Pyle worked in Europe and the 
United States developing and deploying large-scale communications systems for 
the financial and commercial sectors. 

   Ira Vishner, a founder of the Company, has served as Vice President of 
Corporate Services, Treasurer and Chief Financial Officer of the Company 
since 1983 and has been a director since 1994. Prior to 1983, he worked in 
the executive offices of TMI Systems Corporation where he was responsible for 
corporate planning, financial analysis and product marketing. Mr. Vishner 
holds an S.B. in Mathematics from the Massachusetts Institute of Technology. 

   Edward A. Maybury has been a director of the Company since its 
organization in 1983. Since July 1991, he has served as a director, and from 
July 1991 through May 1993 was the President and Chief Executive Officer, of 
Creative Systems, Inc., a software and services company. Prior thereto, Mr. 
Maybury was the Chief Executive Officer of Data Architect Systems, Inc., a 
software and services company. 

   Edward B. Roberts has been a director of the Company since June 1996. 
Since 1961, he has been a Professor of Management of Technologies at the 
Massachusetts Institute of Technology. He was co-founder and chairman, from 
1963 until June 1995, of Pugh-Roberts Associates, Inc., an international 
management consulting firm specializing in strategic planning and technology 
management. In addition, Dr. Roberts co-founded and is a director of Medical 
Information Technology, Inc., a provider of hospital information systems. Dr. 
Roberts is also a director of Advanced Magnetics, Inc., a medical imaging 
company, and Selfcare, Inc., a manufacturer of home medical diagnostic 
products, and is a general partner of Zero Stage Capital, a venture capital 
firm. 

   Leonard A. Schlesinger has been a director of the Company since June 1996. 
He has been a Professor of Business Administration at the Harvard Business 
School since 1988, where he is chairman of the Service Management Group, an 
interdisciplinary faculty group that focuses on customer service. Professor 
Schlesinger is also a director of Limited, Inc., a clothing retailer, and 
Borders Group, Inc., a book and movie store chain. 

   Thomas E. Swithenbank has been a director of the Company since June 1996. 
Since 1990, he has been President and Chief Executive Officer of Harte-Hanks 
Data Technologies, a computer software and servicing company specializing in 
database marketing systems. Prior thereto, Mr. Swithenbank was President of 
International Data Corporation, a world-wide computer marketing consulting 
firm. Mr. Swithenbank has an A.B. from Harvard University and an M.B.A. from 
the Harvard Business School. 

Classes of Directors 

   The Board of Directors is divided into three classes, each of whose 
members serve for a staggered three-year term. Messrs. Swithenbank and 
Trefler serve in the class whose term expires in 1997; Messrs. Maybury and 
Schlesinger serve in the class whose term expires in 1998; and Messrs. 
Roberts and Vishner serve in the class whose term expires in 1999. Upon the 
expiration of the term of a class of directors, directors within such class 
are elected for a three-year term at the annual meeting of stockholders in 
the year in which such term expires. 

Executive Officers 

   Executive officers of the Company are elected by the Board of Directors on 
an annual basis and serve until the next annual meeting of the Board of 
Directors and until their successors have been duly elected and qualified. 
There are no family relationships among any of the executive officers or 
directors of the Company. 

Board Committees 

   The Company's Board of Directors has established an Audit Committee and a 
Compensation Committee. The Audit Committee is responsible for nominating the 
Company's independent accountants for approval by the Board of Directors, 
reviewing the scope, results and costs of the audit with the Company's 
independent accountants and reviewing the financial statements of the 
Company. Messrs. Maybury and Roberts are currently the members of the Audit 
Committee. The Compensation Committee is responsible for recommending 
compensation and benefits for the executive officers of the Company to the 
Board of Directors and for administering the Company's stock plans. Messrs. 
Maybury and Schlesinger are currently the members of the Compensation 
Committee. 

                                      36 
<PAGE> 

Director Compensation 

   Each non-employee director of the Company receives $1,000 for every Board 
or committee meeting attended. The Company also reimburses non-employee 
directors for expenses incurred in attending Board meetings. In addition, 
non-employee directors of the Company are eligible to receive stock options 
under the 1996 Non-Employee Director Stock Option Plan. See 
"Management--Stock Plans." No other compensation is paid to directors for 
attending Board or committee meetings. Messrs. Maybury, Roberts, Schlesinger 
and Swithenbank are currently the non-employee directors of the Company. 

Executive Compensation 

   
   The following table sets forth all compensation awarded to, earned by or paid
for services rendered to the Company in all capacities during the years ended
December 31, 1996 and 1995 by (i) the Company's Chief Executive Officer and (ii)
the five most highly compensated other executive officers during fiscal 1996
(collectively, the "Named Executive Officers"):
    

                          Summary Compensation Table 
<TABLE>
<CAPTION>
   
                                                     Annual Compensation (1) 
                                                    -------------------------    All Other 
Name and Principal Position                            Year      Salary        Bonus       Compensation 
- --------------------------------------------------- ---------------------- -------------  --------------- 
<S>                                                  <C>        <C>          <C>               <C>
Alan Trefler, President                                1996     $180,000        --   (2)    $15,000 (3)
                                                       1995      171,250     $23,545 (4)        --                                 

Joseph J. Friscia, Vice President of Sales and         1996      125,000        --   (5)        -- 
  Marketing                                            1995      124,583      24,154 (6)        -- 

Clifford R. Balzer, Vice President of                  1996      122,083      12,816 (8)      4,483 (3)
  Reengineering and Client Services (7)                1995        9,195        --              --

Michael R. Pyle, Vice President of Applications        1996      111,250      41,285 (9)        --
  Development                                          1995      102,083      23,044 (4)        -- 

Ira Vishner, Vice President of Corporate Services,     1996      110,667      30,169 (9)        --
  Treasurer and Chief Financial Officer                1995      100,500      16,892 (4)      8,483 (3) 

Kenneth W. Olson, Vice President of Technical          1996      105,583      27,365 (9)        --
  Development                                          1995       98,083      13,118 (4)     30,000 (3) 
    
</TABLE>                                            

- ------------- 

   
(1) In accordance with the rules of the Securities and Exchange Commission, 
    other compensation in the form of perquisites and other personal benefits 
    has been omitted because the aggregate amount of such perquisites and 
    other personal benefits constituted less than the lesser of $50,000 or 
    10% of the total of annual salary and bonuses for each of the Named 
    Executive Officers for 1996 and 1995. 

(2) Bonus for the period from July 1995 through June 1996 has not yet been
    determined. Bonus, if any, for the period from July 1996 through June 1997
    has not yet been determined.
    

(3) Represents payments in lieu of paid days off. 

   
(4) Represents bonus earned between July 1994 and June 1995 and paid in 1995. 
    

(5) Bonus for 1996 has not yet been determined.

   
(6) Represents bonus earned in 1995 and paid in February 1996. Does not include
    a bonus of $66,650 earned in 1994 and paid in February 1995. 
    

(7) Mr. Balzer joined the Company in December 1995.

   
(8) Represents bonus earned between December 1995 and June 1996 and paid in
    1996. Bonus, if any, for the period from July 1996 through June 1997 has
    not yet been determined.

(9) Represents bonuses earned between July 1995 and June 1996 and paid in 1996.
    Bonuses, if any, for the period from July 1996 through June 1997 have not 
    yet been determined.
    


Option Grants 

   
   No stock options or stock appreciation rights ("SARs") were granted to any 
of the Named Executive Officers during 1996. 
    

                                      37 
<PAGE> 

Aggregated Option Exercises and Year-End Option Table 

   
   The following table sets forth certain information concerning options
exercised during 1996 and the number and value of unexercised stock options
held by each of the Named Executive Officers as of December 31, 1996.

    

   Aggregated Option Exercises in Last Fiscal Year and Year-End Option Values
<TABLE>
<CAPTION>
   
                                                         Number of Shares 
                                                            Underlying                  Value of Unexercised 
                                                        Unexercised Options           In-the-Money Options at 
                      Shares                              at Year-End (1)                   Year-End (2) 
                    Acquired on        Value     -------------------------------  ------------------------------- 
Name                Exercise (#)    Realized ($)   Exercisable    Unexercisable     Exercisable    Unexercisable 
 -------------------------------- ---------------------------- ---------------- --------------  ---------------- 
<S>                <C>            <C>           <C>            <C>              <C>             <C>
Alan Trefler             --            --              --              --              --              -- 
Joseph J. Friscia      36,000       $420,240       198,000        162,000 (3)     $5,900,070      $4,827,330 
Clifford R. Balzer       --            --           12,000         48,000 (4)        356,860       1,427,440
Michael R. Pyle        64,800        756,432       129,600        129,600 (3)      3,861,864       3,861,864 
Ira Vishner              --            --              --              --              --              -- 
Kenneth W. Olson         --            --              --              --              --              -- 
    
</TABLE>            

- ------------- 

   
(1) The exercise price of the unexercised options held by Messrs. Friscia and
    Pyle is approximately $0.33 per share and of the unexercised options held
    by Mr. Balzer is approximately $0.39 per share.

(2) The closing sale price of the Common Stock on December 31, 1996 was $30.125.

(3) These options vest in equal installments on December 29, 1997, 1998 
    and 1999. 

(4) These options vest in equal installments on December 29, 1997, 1998, 1999
    and 2000.
    

Merit Payment Program 

   The Company frequently awards merit payments to its employees as part of a 
performance assessment process, under which employees may be awarded cash 
payments based upon individual performance. All employees are eligible to 
receive merit payments. Historically, the Company's supervisors have been 
responsible for recommending the amount of merit payment for each of the 
employees under their direct review. These recommendations are then reviewed 
by the Board of Directors to promote consistency among departments. Awards of 
merit payments are made at the discretion of supervisors and the Board of 
Directors, based upon their opinions of employees' respective contributions 
to the Company. Awards have generally been made in connection with annual 
employee reviews. 

Sales Compensation 

   In addition to base salary, the Company pays commissions to its sales 
personnel based on the attainment of annual sales quotas, monthly fees 
generated during the period from July 1 through June 30 of each year, and 
cash received by the Company from new accounts within one year after the 
initial signing of a contract with a customer. 


                                      38 
<PAGE>

Stock Plans 

 1994 Long-Term Incentive Plan 

   
   The Company's 1994 Long-Term Incentive Plan (the "1994 Plan") was adopted 
by the Board of Directors on November 23, 1994, and approved by the 
stockholders on April 21, 1995. The 1994 Plan provides for the issuance of a 
maximum of 5,000,000 shares of Common Stock pursuant to the grant of 
incentive stock options ("ISOs") to employees and nonqualified stock options 
("NSOs"), stock appreciation rights ("SARs"), restricted stock or long-term 
performance awards to employees, consultants, directors and officers of the 
Company. Long-term performance awards may be made in cash or in stock, must 
be awarded in connection with a performance period of at least two years, and 
are based on performance objectives determined by the Compensation Committee. 
At December 31, 1996, the Company had approximately 220 employees eligible to 
participate in the 1994 Plan and options to purchase 2,492,250 shares were 
outstanding. To date, no restricted stock, SARs or long-term performance 
awards have been granted under the 1994 Plan. 
    

   The 1994 Plan is administered by the Compensation Committee of the Board 
of Directors (the "Compensation Committee"). Subject to the provisions of the 
1994 Plan, the Compensation Committee has the authority to select the 
optionees or SAR, long-term performance award or restricted stock recipients 
and determine the terms of the options, SARs, long-term performance awards or 
restricted stock granted, including: (i) the number of shares or SARs; (ii) 
the option exercise terms; (iii) the amount of awards; (iv) the exercise or 
purchase price (which in the case of an incentive stock option cannot be less 
than the market price of the Common Stock as of the date of grant); (v) the 
type and duration of transfer or other restrictions; and (vi) the time and 
form of payment for restricted stock and upon exercise of options. Generally, 
an option is not transferable by the optionholder except by will or by the 
laws of descent and distribution. No option may be exercised following 
termination for cause or voluntary termination, or more than three months 
following involuntary termination. Upon termination due to death, an option 
is exercisable for a maximum of one year after such termination, and upon 
termination due to disability, the option is exercisable for a maximum of two 
years after such termination. 

 1996 Non-Employee Director Stock Option Plan 

   
   The 1996 Non-Employee Director Stock Option Plan (the "Director Plan") was
adopted by the Board of Directors on May 13, 1996 and approved by the
stockholders on June 26, 1996. The Director Plan provides for the grant of
options for the purchase of up to 250,000 shares of Common Stock of the Company.
As of December 31, 1996, options to purchase 90,000 shares were outstanding
under the Director Plan.
    

   The Director Plan is administered by the Compensation Committee and 
provides that each person who becomes a director of the Company after May 13, 
1996, and who is not also an employee of the Company will receive upon 
initial election to the Board of Directors an option to purchase 30,000 
shares of Common Stock vesting in equal annual installments over five years. 
The exercise price for all options granted under the Director Plan is equal 
to the market price of the Common Stock as of the date of grant. Options may 
not be assigned or transferred except by will or by the laws of descent and 
distribution and are exercisable, only to the extent vested, within 90 days 
after the optionee ceases to serve as a director of the Company (except that 
if a director dies or becomes disabled while he or she is serving as a 
director of the Company, the option is exercisable until the earlier of the 
scheduled expiration date of the option or one year from the date of death or 
disability). 

 1996 Employee Stock Purchase Plan 

   The 1996 Employee Stock Purchase Plan (the "Stock Purchase Plan") was 
adopted by the Board of Directors on May 13, 1996 and approved by the 
stockholders on June 26, 1996. An aggregate of 500,000 shares of Common Stock 
are reserved for issuance pursuant to this plan. 

   
   The Stock Purchase Plan is administered by the Compensation Committee. All 
employees of the Company whose customary employment is in excess of 20 hours 
per week and more than five months per year, other than those employees who 
own 5% or more of the stock of the Company, are eligible to participate in 
the Stock Purchase Plan. As of December 31, 1996, approximately 220 of the 
Company's 

                                      39 
<PAGE> 


employees were eligible to participate in the Stock Purchase Plan. 
The Stock Purchase Plan is implemented by one or more offerings of such 
duration as the Compensation Committee may determine, provided that no 
offering period may be longer than 27 months. An eligible employee 
participating in an offering is able to purchase Common Stock at a price 
equal to the lesser of: (i) 85% of its fair market value on the date the 
right was granted, or (ii) 85% of its fair market value on the date the right 
was exercised. Payment for Common Stock purchased under the Stock Purchase 
Plan is through regular payroll deduction or lump sum cash payment, or both, 
as determined by the Compensation Committee. The maximum value of Common 
Stock an employee may purchase during an offering period is 10% of the 
employee's base salary during such period, calculated on the basis of the 
employee's compensation rate on the date the employee elects to participate 
in that offering. 
    

   To date, there have been no offerings under the Stock Purchase Plan and no 
shares of Common Stock have been issued thereunder. 


 401(k) Plan 

   In December 1989, the Company adopted a tax-qualified employee savings and 
retirement plan (the "401(k) Plan") covering all of the Company's domestic 
employees upon commencement of employment and attainment of the age of 18. 
Participants may elect to contribute to the 401(k) Plan up to the lesser of 
the statutorily prescribed annual limit ($9,500 in 1996) or 20% of their 
total pre-tax compensation. The 401(k) Plan permits, but does not require, 
the Company to make additional matching contributions on behalf of 
participants. The 401(k) Plan is intended to qualify under Section 401 of the 
Code so that contributions by employees or by the Company to the 401(k) Plan, 
and income earned on plan contributions, are not taxable to employees until 
withdrawn from the 401(k) Plan, and so that contributions by the Company, if 
any, will be deductible by the Company when made. Participants are fully 
vested in their deferred salary contributions, and Company contributions, if 
any, vest 20% after three years and an additional 20% on each anniversary 
thereof. The administrator of the 401(k) Plan, at the direction of each 
participant, invests the plan assets of such participant among various 
investment options. Participants have the option of obtaining loans from the 
401(k) Plan secured by their account balances. 

Vacation Policy 

   The Company generally provides its employees with a flexible vacation and 
paid time off policy. This policy provides that employees are given one block 
of paid days off for all uses, including vacation, sick days, personal days 
and holidays. The number of paid days off given to each employee per year 
varies according to each employee's length of service with the Company. 
Unused paid days off are carried over from year to year. Employees are 
generally entitled to payment in cash for the value of unused paid days off. 
The Company retains the right to repurchase paid days off in excess of thirty 
at the end of any quarter from employees who have accumulated more than 
thirty paid days off. 

Compensation Committee Interlocks and Insider Participation 

   
   Prior to May 1996, decisions concerning compensation of executive officers
were made by the Board of Directors which included Mr. Trefler, the President of
the Company, and Mr. Vishner, a Vice President and the Chief Financial Officer
of the Company. In May 1996, the Company established a Compensation Committee of
its Board of Directors, which currently consists of Messrs. Maybury and
Schlesinger. No executive officer of the Company has served as a director or
member of the compensation committee (or other committee serving an equivalent
function) of any other entity, whose executive officers served as a director of
the Company.
    

                                      40 
<PAGE> 
                             CERTAIN TRANSACTIONS 

   The Company has adopted a policy whereby all future transactions between 
the Company and its officers, directors, principal stockholders and their 
affiliates will be on terms no less favorable to the Company than could be 
obtained from unrelated third parties and will be approved by a majority of 
the disinterested members of the Company's Board of Directors. No such 
transactions are currently being considered. 

   The Company borrowed $230,000 from its President, Alan Trefler, in order 
to increase the Company's working capital and to fund operations. This loan, 
which was evidenced by a note renewed in January 1993 and bearing interest at 
a rate of 8.5% per annum, was repaid in full by the Company in 1995. 


                      PRINCIPAL AND SELLING STOCKHOLDERS 

   
   The following table sets forth certain information regarding beneficial
ownership of the Company's Common Stock as of December 31, 1996, and as adjusted
for the sale of the shares of Common Stock offered hereby, by: (i) each person
who is known by the Company to own beneficially more than 5% of the Common
Stock, (ii) each director and Named Executive Officer of the Company, (iii) all
directors and executive officers of the Company as a group, and (iv) each
Selling Stockholder. Unless otherwise indicated below, to the knowledge of the
Company, all persons listed below have sole voting and investment power with
respect to their shares of Common Stock, except to the extent authority is
shared by spouses under applicable law.
    

<TABLE>
<CAPTION>
                                 Shares Beneficially                     Shares to be 
                                   Owned Prior to                     Beneficially Owned 
                                    Offering (1)                    After Offering (1) (2) 
                               -----------------------             ------------------------ 
                                                        Number of 
                                 Number of                Shares     Number of 
Name                              Shares      Percent    Offered       Shares      Percent 
- ----                             ---------    -------   ---------    ---------     ------- 
<S>                             <C>            <C>       <C>         <C>            <C>
Alan Trefler                    22,091,100     83.7%     500,000     21,591,100     77.1% 
Joseph J. Friscia (3)              198,000        *       70,000        128,000        * 
Michael R. Pyle (4)                129,600        *       50,000         79,600        * 
Ira Vishner                        277,200      1.1       55,000        222,200        * 
Kenneth W. Olson                   360,000      1.4       70,000        290,000      1.0 
Edward A. Maybury (5)                7,200        *           --          7,200        * 
Edward B. Roberts                    5,000        *           --          5,000        * 
Leonard A. Schlesinger                  --       --           --             --       -- 
Thomas E. Swithenbank                   --       --           --             --       -- 
All directors and executive 
  officers as a group (11 
  persons) (6)                  23,080,100     86.3      745,000     22,335,100     79.1 
</TABLE>

- ------------- 

* Less than 1% of the outstanding Common Stock. 

   
(1) The number of shares of Common Stock deemed outstanding prior to the 
    offering includes (i) 26,392,200 shares of Common Stock outstanding as of 
    December 31, 1996 and (ii) shares issuable pursuant to outstanding options 
    held by the respective person or group which are currently exercisable or 
    which will be exercisable within 60 days of December 31, 1996, as set 
    forth below. The number of shares of Common Stock deemed outstanding 
    after this offering includes (i) 1,500,000 shares which are being offered 
    for sale by the Company in this offering and (ii) 120,000 shares issuable 
    upon exercise of stock options to be exercised immediately prior to the 
    closing of this offering. 
    

(2) Assumes no exercise of the Underwriters' over-allotment option. 

   
(3) Consists solely of shares of Common Stock subject to stock options 
    exercisable within 60 days of December 31, 1996, 70,000 of which shares 
    will be issued upon the exercise of options immediately prior to the 
    closing of the offering. 
    


                                      41 
<PAGE> 

   
(4) Consists solely of shares of Common Stock subject to stock options 
    exercisable within 60 days of December 31, 1996, 50,000 of which shares 
    will be issued upon the exercise of options immediately prior to the 
    closing of this offering. 
    

   
(5) Consists solely of shares of Common Stock subject to stock options 
    exercisable within 60 days of December 31, 1996. 
    

   
(6) Shares beneficially owned prior to offering includes 346,800 shares of 
    Common Stock subject to stock options exercisable within 60 days of 
    December 31, 1996, 120,000 of which shares will be issued upon the 
    exercise of options immediately prior to the closing of this offering; 
    shares to be beneficially owned after offering includes 226,800 shares of 
    Common Stock subject to stock options exercisable within 60 days of 
    December 31, 1996. 
    


                         DESCRIPTION OF CAPITAL STOCK 

   The authorized capital stock of the Company consists of 45,000,000 shares 
of Common Stock, $.01 par value per share, and 1,000,000 shares of preferred 
stock, $.01 par value per share (the "Preferred Stock"), which may be issued 
in one or more series. 

Common Stock 

   As of December 31, 1996, there were 26,392,000 shares of Common Stock
outstanding and held of record by approximately 25 stockholders. Based upon the
number of shares outstanding as of that date and giving effect to (i) the
issuance of the 1,500,000 shares of Common Stock offered by the Company hereby,
and (ii) the exercise of options to purchase 120,000 shares of Common Stock
anticipated to occur immediately prior to the closing of this offering, there
will be 28,012,200 shares of Common Stock outstanding upon the closing of this
offering.

   Holders of Common Stock are entitled to one vote for each share held on 
all matters submitted to a vote of stockholders and do not have cumulative 
voting rights. Accordingly, holders of a majority of the shares of Common 
Stock entitled to vote in any election of directors may elect all of the 
directors standing for election. Holders of Common Stock are entitled to 
receive ratably such dividends, if any, as may be declared by the Board of 
Directors out of funds legally available therefor, subject to any 
preferential dividend rights of outstanding Preferred Stock. Upon the 
liquidation, dissolution or winding up of the Company, the holders of Common 
Stock are entitled to receive ratably the net assets of the Company available 
after the payment of all debts and other liabilities and subject to the prior 
rights of any outstanding Preferred Stock. Holders of the Common Stock have 
no preemptive, subscription, redemption or conversion rights. The outstanding 
shares of Common Stock are, and the shares offered by the Company in this 
offering will be, when issued and paid for, fully paid and nonassessable. The 
rights, preferences and privileges of holders of Common Stock are subject to, 
and may be adversely affected by, the rights of the holders of shares of any 
series of Preferred Stock which the Company may designate and issue in the 
future. Upon the closing of this offering, there will be no shares of 
Preferred Stock outstanding. 

Preferred Stock 

   The Board of Directors is authorized, subject to certain limitations 
prescribed by law, without further stockholder approval, to issue from time 
to time up to an aggregate of 1,000,000 shares of Preferred Stock in one or 
more series and to fix or alter the designations, preferences, rights and any 
qualifications, limitations or restrictions of the shares of each such series 
thereof, including the dividend rights, dividend rates, conversion rights, 
voting rights, terms of redemption (including sinking fund provisions), 
redemption price or prices, liquidation preferences and the number of shares 
constituting any series or designations of such series. The issuance of 
Preferred Stock may have the effect of delaying, deferring or preventing a 
change of control of the Company. The Company has no present plans to issue 
any shares of Preferred Stock. See "Risk Factors--Potential Adverse Effects 
of Anti-Takeover Provisions; Possible Issuance of Preferred Stock." 

Massachusetts Law and Certain Provisions of the Company's Restated Articles 
of Organization and Restated By-Laws 

   The Company is subject to Chapter 110F of the Massachusetts General Laws, 
an anti-takeover law. In general, this statute prohibits a publicly held 
Massachusetts corporation from engaging in a "business 


                                      42 
<PAGE> 

combination" with an "interested stockholder" for a period of three years after
the date of the transaction in which the person becomes an interested
stockholder, unless (i) the interested stockholder obtains the approval of the
Board of Directors prior to becoming an interested stockholder, (ii) the
interested stockholder acquires 90% of the outstanding voting stock of the
corporation (excluding shares held by certain affiliates of the corporation) at
the time it becomes an interested stockholder, or (iii) the business combination
is approved by both the Board of Directors and the holders of two-thirds of the
outstanding voting stock of the corporation (excluding shares held by the
interested stockholder). An "interested stockholder" is a person who, together
with affiliates and associates, owns (or at any time within the prior


three years did own) 5% or more of the outstanding voting stock of the 
corporation. A "business combination" includes a merger, a stock or asset 
sale, and certain other transactions resulting in a financial benefit to the 
interested stockholder. 

   The Company's Restated Articles of Organization (the "Restated Articles") 
and the Restated By-Laws (the "Restated By-Laws") provide for a classified 
board of directors consisting of three classes as nearly equal in size as 
possible. See "Management--Executive Officers and Directors." In addition, 
the Restated Articles and Restated By-Laws provide that directors may be 
removed only for cause by the affirmative vote of the holders of a majority 
of the shares issued outstanding and entitled to vote. Under the Restated 
Articles and Restated By-Laws, any vacancy, however occurring, including a 
vacancy resulting from an enlargement of the Board, may only be filled by a 
vote of a majority of the directors then in office. The classification of the 
Board of Directors and the limitations on the removal of directors and 
filling of vacancies could have the effect of making it more difficult for a 
third party to acquire, or of discouraging a third party from acquiring, 
control of the Company. 

   The Restated By-Laws include a provision excluding the Company from the 
applicability of Massachusetts General Laws Chapter 110D, entitled 
"Regulation of Control Share Acquisitions". In general, this statute provides 
that any stockholder of a corporation subject to this statute who acquires 
20% or more of the outstanding voting stock of a corporation may not vote 
such stock unless the stockholders of the corporation so authorize. The Board 
of Directors may amend the Company's Restated By-Laws at any time to subject 
the Company to this statute prospectively. 

   The Restated By-Laws also require that a stockholder seeking to have any 
business conducted at a meeting of stockholders give notice to the Company 
not less than 90 days prior to the scheduled meeting. The notice from the 
stockholder must describe the proposed business to be brought before the 
meeting and include information about the stockholder making the proposal, 
any beneficial owner on whose behalf the proposal is made and any other 
stockholder known to be supporting the proposal. The Restated By- Laws 
further provide that a special stockholders meeting may be called by the 
president or the Board of Directors or upon the request of stockholders 
holding at least 40% of the voting power of the Company. These provisions may 
discourage another person or entity from making a tender offer for the 
Company's Common Stock, because such person or entity, even if it acquired a 
majority of the outstanding shares, would be able to take action as a 
stockholder (such as electing new directors or approving a merger) only at a 
duly called stockholders meeting. 

   The Restated By-Laws provide that the directors, officers, employees and 
certain other agents of the Company shall be indemnified by the Company to 
the fullest extent authorized by Massachusetts law, as it now exists or may 
in the future be amended, against all expenses and liabilities reasonably 
incurred in connection with service for or on behalf of the Company. In 
addition, the Restated Articles provide that the directors of the Company 
will not be personally liable for monetary damages to the Company for 
breaches of their fiduciary duty as directors, unless they violated their 
duty of loyalty to the Company or its stockholders, acted in bad faith, 
knowingly or intentionally violated the law, authorized illegal dividends or 
redemptions or derived an improper personal benefit from their action as 
directors. 

Transfer Agent and Registrar 

   The transfer agent and registrar for the Company's Common Stock is Fleet 
National Bank. 

                                      43 
<PAGE> 

                       SHARES ELIGIBLE FOR FUTURE SALE 

   
   Upon the closing of this offering, the Company will have an aggregate of 
28,012,200 shares of Common Stock outstanding, assuming no exercise of the 
Underwriters' over-allotment option and no exercise of outstanding options to 
purchase Common Stock other than the options to purchase 120,000 shares to be 
exercised immediately prior to the closing of this offering by certain 
Selling Stockholders. Of these shares, 5,872,900 shares (including the 
2,245,000 shares sold in this offering) are freely tradable without 
restriction or further registration under the Securities Act of 1933, as 
amended (the "Securities Act"), except that any shares held by "affiliates" 
of the Company, as that term is defined in Rule 144 under the Securities Act 
("Rule 144"), may generally only be sold in compliance with the limitations 
of Rule 144 described below. The remaining 22,129,300 shares of Common Stock 
are deemed "Restricted Securities" as defined under Rule 144. Restricted 
Securities may be sold in the public market only if registered or if they 
qualify for an exemption from registration under Rules 144 or 701 promulgated 
under the Securities Act, which rules are summarized below. Subject to the 
executive officers of the Company entering into lock-up agreements described 
below and the provisions of Rules 144, 144(k) and 701, additional shares will 
be available for sale in the public market (subject in the case of shares 
held by affiliates to compliance with the Rule 144 volume limitations) as 
follows: (i) 36,000 shares will be eligible for immediate sale in the public 
market on the date of this Prospectus and (ii) 22,103,300 shares will be 
eligible for sale upon the expiration of lock-up agreements 120 days after 
the date of this Prospectus. 
    

   In general, under Rule 144 as currently in effect, a person (or persons 
whose shares are aggregated), including an affiliate, who has beneficially 
owned shares for at least two years is entitled to sell, within any 
three-month period, a number of shares that does not exceed the greater of 
(i) 1% of the then outstanding shares of Common Stock (approximately 280,000 
shares immediately after this offering) or (ii) the average weekly trading 
volume in the Common Stock during the four calendar weeks preceding the date 
on which notice of such sale is filed, subject to certain restrictions. In 
addition, a person who is not deemed to have been an affiliate of the Company 
at any time during the 90 days preceding a sale and who has beneficially 
owned the shares proposed to be sold for at least three years would be 
entitled to sell such shares under Rule 144(k) without regard to the 
requirements described above. To the extent that shares were acquired from an 
affiliate of the Company, such stockholder's holding period for the purpose 
of effecting a sale under Rule 144 commences on the date of transfer from the 
affiliate. 

   Rule 701 promulgated under the Securities Act provides that shares of 
Common Stock acquired pursuant to written plans such as the 1994 Plan may be 
resold by persons other than affiliates, subject only to the manner of sale 
provisions of Rule 144, and by affiliates, subject to all provisions of Rule 
144 except its two-year minimum holding period. 

   
   In addition, as of December 31, 1996, the Company had reserved 5,750,000 
shares of Common Stock for issuance under its stock plans. See 
"Management--Stock Plan." Shares issuable under the Company's stock plans 
have been registered pursuant to a Registration Statement on Form S-8 and are 
therefore freely tradeable, subject to Rule 144 limitations applicable to 
affiliates. 
    

   The Company can make no prediction as to the effect, if any, that market 
sales of shares of Common Stock or the availability of shares for sale will 
have on the market price of the Common Stock prevailing from time to time. 
Nevertheless, sales of substantial amounts of Common Stock in the public 
market could adversely affect the market price of the Common Stock and could 
impair the Company's future ability to raise capital through the sale of its 
equity securities. 

   
   Except to the extent they have agreed to sell shares in the offering, 
officers, who hold in the aggregate 22,728,300 shares of Common Stock and 
options to purchase 619,200 shares of Common Stock, have agreed, pursuant to 
agreements with the representatives of the Underwriters, that they will not, 
without the prior written consent of the representatives of the Underwriters, 
sell or otherwise dispose of any shares of Common Stock or options to acquire 
shares of Common Stock during the 120-day period following the date of this 
Prospectus. 
    

   The Company has agreed not to sell or otherwise dispose of any shares of 
Common Stock during the 120-day period following the date of the Prospectus, 
except the Company may issue, and grant options to purchase, shares of Common 
Stock under its stock plans. In addition, the Company may issue shares 

                                      44 
<PAGE> 

of Common Stock in connection with any acquisition of another company if the 
terms of such issuance provide that such Common Stock shall not be resold 
prior to the expiration of the 120-day period referenced in the preceding 
sentence. 

                                LEGAL MATTERS 

   The validity of the shares of Common Stock offered by this Prospectus will 
be passed upon for the Company and the Selling Stockholders by Choate, Hall & 
Stewart, Boston, Massachusetts. Certain legal matters in connection with the 
offering will be passed upon for the Underwriters by Hale and Dorr, Boston, 
Massachusetts. 

                                   EXPERTS 

   The consolidated financial statements of Pegasystems Inc., at December 31, 
1994 and 1995 and for each of the three years in the period ended December 
31, 1995, appearing in this Prospectus and Registration Statement have been 
audited by Ernst & Young LLP, independent auditors, as set forth in their 
report thereon appearing elsewhere herein and are included in reliance upon 
such report given upon the authority of such firm as experts in accounting 
and auditing. 

                            AVAILABLE INFORMATION 

   The Company is subject to the informational reporting requirements of the 
Securities Exchange Act of 1934, as amended, and, in accordance therewith, 
files reports, proxy statements and other information with the Securities and 
Exchange Commission (the "Commission"). Such reports, proxy statements and 
other information filed with the Commission may be inspected and copied at 
the Commission's Public Reference Room, Judiciary Plaza, 450 Fifth Street, 
N.W., Washington, D.C. 20549, and at the Commission's regional offices at 
Seven World Trade Center, 13th Floor, New York, New York 10048, and at 
Northwest Atrium Center, Suite 1400, 500 West Madison Street, Chicago, 
Illinois 60661. Copies of such materials may be obtained from the Public 
Reference Section of the Commission at 450 Fifth Street, N.W., Washington, 
D.C. 20549 upon payment of prescribed fees. The Commission maintains a site 
on the World Wide Web at http://www.sec.gov that contains reports, proxy and 
information statements and other information regarding registrants, such as 
the Company, that file electronically with the Commission through the 
Commission's Electronic Data Gathering, Analysis and Retrieval (EDGAR) 
system. 

                            ADDITIONAL INFORMATION 

   The Company has filed with the Commission a Registration Statement on Form 
S-1 under the Securities Act with respect to the shares of Common Stock 
offered hereby. As permitted by the rules and regulations of the Commission, 
this Prospectus omits certain information contained in the Registration 
Statement. For further information with respect to the Company and the Common 
Stock offered hereby, reference is hereby made to the Registration Statement 
and to the exhibits and schedules filed therewith. Statements contained in 
this Prospectus as to the contents of any agreement or other document filed 
as an exhibit to the Registration Statement are not necessarily complete, and 
in each instance reference is made to the copy of such agreement filed as an 
exhibit to the Registration Statement, each such statement being qualified in 
all respects by such reference. The Registration Statement, including the 
exhibits and schedules filed therewith, may be inspected without charge at 
the Commission's Public Reference Room, Judiciary Plaza, 450 Fifth Street, 
N.W., Washington, D.C. 20549, and at the Commission's regional offices in New 
York and Chicago, the addresses of which are set forth in "Available 
Information." Copies of the Registration Statement may be obtained from the 
Commission from its Public Reference Section, 450 Fifth Street, N.W., 
Washington, D.C. 20549, upon payment of prescribed fees. The Registration 
Statement may also be accessed electronically at the Commission's site on the 
World Wide Web at http://www.sec.gov. 

   The Company distributes to its stockholders annual reports containing 
financial statements audited by its independent accountants and makes 
available copies of quarterly reports for the first three quarters of each 
fiscal year containing unaudited financial statements. 

                                      45 

<PAGE>


                               PEGASYSTEMS INC. 

                  INDEX TO CONSOLIDATED FINANCIAL STATEMENTS 

<TABLE>
<CAPTION>
                                                                                    Page 
                                                                                    ---- 
<S>                                                                                  <C>
Report of Independent Auditors                                                       F-2 
Consolidated Balance Sheets as of December 31, 1994 and 1995 and as of 
  September 30, 1996 (unaudited)                                                     F-3 
Consolidated Statements of Income for the years ended December 31, 1993, 
  1994 and 1995 and for the nine months ended September 30, 1995 and 1996 
  (unaudited)                                                                        F-4 
Consolidated Statements of Stockholders' Equity for the years 
  ended December 31, 1993, 1994 and 1995 and for the nine months ended 
  September 30, 1996 (unaudited)                                                     F-5 
Consolidated Statements of Cash Flows for the years ended December 31, 1993,
  1994 and 1995 and for the nine months ended September 30, 1995 and 1996 
  (unaudited)                                                                        F-6 
Notes to Consolidated Financial Statements                                           F-7 
</TABLE>

                                     F-1 
<PAGE> 

                        REPORT OF INDEPENDENT AUDITORS 

The Board of Directors 
Pegasystems Inc. 

   We have audited the accompanying consolidated balance sheets of 
Pegasystems Inc. as of December 31, 1994 and 1995 and the related 
consolidated statements of income, stockholders' equity, and cash flows for 
each of the three years in the period ended December 31, 1995. 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 consolidated financial statements referred to above 
present fairly, in all material respects, the consolidated financial position 
of Pegasystems Inc. at December 31, 1994 and 1995, and the consolidated 
results of its operations and its cash flows for each of the three years in 
the period ended December 31, 1995, in conformity with generally accepted 
accounting principles. 

                                        ERNST & YOUNG LLP 


Boston, Massachusetts 
May 6, 1996, except for Note 10, as to which 
the date is July 10, 1996 and Note 11, as to 
which the date is November 19, 1996. 



                                     F-2 
<PAGE> 

                               PEGASYSTEMS INC. 

                         CONSOLIDATED BALANCE SHEETS 

<TABLE>
<CAPTION>
                                                               December 31, 
                                                       --------------------------- 
                                                                                    September 30, 
                                                            1994          1995          1996 
                                                            ----          ----          ---- 
                                                                                     (unaudited) 
                                                        (in thousands except share-related data) 
<S>                                                       <C>           <C>            <C>     
                        Assets 
Current assets: 
  Cash and cash equivalents                               $   456       $   511        $25,419 
  Trade and installment accounts receivable, net of 
    allowance for doubtful accounts of $0 and $434 at 
    December 31, 1994 and 1995, respectively, and $839 
    at September 30, 1996                                   8,315         8,896         12,701 
  Prepaid expenses and other assets                           204           425          1,002 
                                                          -------       -------        ------- 
      Total current assets                                  8,975         9,832         39,122 
Long-term license installments, net                         9,135        13,399         18,032 
Equipment and improvements, net                             1,564         2,172          2,451 
Software development costs, net                             1,113           473            123 
                                                          -------       -------        ------- 
      Total assets                                        $20,787       $25,876        $59,728 
                                                          =======       =======        ======= 
          Liabilities and Stockholders' Equity 
Current liabilities: 
  Accounts payable and accrued expenses                   $ 1,991       $ 1,747        $ 1,549 
  Deferred revenue                                            139           114            263 
  Current portion of long-term debt                           378           782             -- 
  Deferred income taxes                                     1,976         2,796          2,789 
  Note payable to stockholder                                  50            --             -- 
                                                          -------       -------        ------- 
      Total current liabilities                             4,534         5,439          4,601 
Deferred income taxes                                       3,931         4,947          6,991 
Long-term debt                                                450           816             -- 
Stockholders' equity: 
  Preferred stock, $.01 par value, 1,000,000 shares 
    authorized; no shares issued and outstanding               --            --             -- 
  Common stock, $.01 par value, 45,000,000 shares 
    authorized, 23,490,000 shares issued and 
    outstanding at December 31, 1995 and 1994, 
    26,372,000 shares issued and outstanding at 
    September 30, 1996                                        235           235            264 
  Additional paid-in-capital                                   15           106         29,994 
  Deferred compensation                                        --           (91)           (77) 
  Retained earnings                                        11,644        14,522         18,089 
  Cumulative foreign currency translation adjustment          (22)          (98)          (134) 
                                                          -------       -------        ------- 
                                                           11,872        14,674         48,136 
                                                          -------       -------        ------- 
      Total liabilities and stockholders' equity          $20,787       $25,876        $59,728 
                                                          =======       =======        ======= 
</TABLE>

                           See accompanying notes. 

                                     F-3 
<PAGE> 

                               PEGASYSTEMS INC. 

                      CONSOLIDATED STATEMENTS OF INCOME 

<TABLE>
<CAPTION>
                                                                                Nine Months Ended 
                                           Year Ended December 31,                September 30, 
                                  ----------------------------------------- -------------------------- 
                                      1993          1994          1995          1995          1996 
                                      ----          ----          ----          ----          ---- 
                                                                                   (unaudited) 
                                                (in thousands except share-related data) 
<S>                                <C>           <C>           <C>           <C>          <C>         
Revenue 
  Software license                 $     6,448   $     9,662   $    13,528   $     8,414  $    12,896 
  Services                               3,764         6,601         8,719         5,941        8,060 
                                   -----------   -----------   -----------   -----------  ----------- 
   Total Revenue                        10,212        16,263        22,247        14,355       20,956 
Cost of Revenue 
  Cost of software license               1,242         1,075           635           508          354 
  Cost of services                       2,227         3,791         6,161         4,258        5,006 
                                   -----------   -----------   -----------   -----------  ----------- 
   Total cost of revenue                 3,469         4,866         6,796         4,766        5,360 
                                   -----------   -----------   -----------   -----------  ----------- 
Gross profit                             6,743        11,397        15,451         9,589       15,596 
Operating expenses 
  Research and development               3,766         5,440         7,061         4,949        5,883 
  Sales and marketing                    1,350         2,629         3,592         2,542        3,870 
  General and administrative               834         1,092         1,541         1,088        1,329 
                                   -----------   -----------   -----------   -----------  ----------- 
   Total operating expenses              5,950         9,161        12,194         8,579       11,082 
                                   -----------   -----------   -----------   -----------  ----------- 
Income from operations                     793         2,236         3,257         1,010        4,514 

License interest income                  1,305         1,457         1,486         1,122        1,127 
Other interest income                       27            21            16            16          296 
Interest expense                           (32)          (56)         (118)          (68)         (85) 
                                   -----------   -----------   -----------   -----------  ----------- 
Income before provision for 
  income taxes                           2,093         3,658         4,641         2,080        5,852 
Provision for income taxes                 860         1,465         1,763           790        2,285 
                                  -------------  -----------   -----------   -----------  ----------- 
  Net income                       $     1,233   $     2,193   $     2,878   $     1,290  $     3,567 
                                   ===========   ===========   ===========   ===========  =========== 
Net income per common and common 
  equivalent share                 $       .05   $       .09   $       .11   $      0.05  $      0.14 
                                   ===========   ===========   ===========   ===========  =========== 
Weighted average number of 
  common and common equivalent 
  shares outstanding                24,231,000    24,102,000    25,551,000    25,600,000   25,952,000 
                                   ===========   ===========   ===========   ===========  =========== 
</TABLE>

                           See accompanying notes. 

                                     F-4 
<PAGE> 

                               PEGASYSTEMS INC. 

               CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY 

<TABLE>
<CAPTION>
                                    Common Stock                                                   Cumulative 
                            ---------------------------                                             Foreign 
                                Number                   Additional                                 Currency        Total 
                                  of                       Paid-in       Deferred      Retained   Translation   Stockholders' 
                                Shares        Amount       Capital     Compensation    Earnings    Adjustment       Equity 
                                ------        ------       -------     ------------    --------    ----------       ------ 
                                               (in thousands except for share-related data) 
<S>                           <C>              <C>         <C>             <C>         <C>           <C>           <C>     
Balance at December 31, 
  1992                        22,500,000       $225             --           --        $ 8,218          --         $ 8,443 
Exercise of stock options        117,000          1             --           --             --          --               1 
Net income                            --         --             --           --          1,233          --           1,233 
                              ----------       ----        -------         -----       -------       -----         -------- 
Balance at December 31, 
  1993                        22,617,000        226             --           --          9,451          --           9,677 
Exercise of stock options        873,000          9        $    15           --             --          --              24 
Foreign currency 
  translation adjustment              --         --             --           --             --       $ (22)            (22) 
Net income                            --         --             --           --          2,193          --           2,193 
                              ----------       ----        -------         -----       -------       -----         -------- 
Balance at December 31, 
  1994                        23,490,000        235             15            _         11,644         (22)         11,872 
Foreign currency 
  translation adjustment              --         --             --           --             --         (76)            (76) 
Issuance of stock options             --         --             91         $(91)            --          --              -- 
Net income                            --         --             --           --          2,878          --           2,878 
                              ----------       ----        -------         -----       -------       -----         -------- 
Balance at December 31, 
  1995                        23,490,000        235            106          (91)        14,522         (98)         14,674 
Issuance of common stock       2,700,000         27         29,369           --             --          --          29,396 
Exercise of stock options        182,000          2             58           --             --          --              60 
Tax benefit from exercise 
  of stock options                                             461                                                     461 
Foreign currency 
  translation adjustment              --         --             --           --             --         (36)            (36) 
Amortization of deferred 
  compensation                        --         --             --           14             --          --              14 
Net income (unaudited)                --         --             --           --          3,567          --           3,567 
                              ----------       ----        -------         -----       -------       -----         -------- 
Balance at September 30, 
  1996 (unaudited)            26,372,000       $264        $29,994         $(77)       $18,089       $(134)        $48,136 
                              ==========       ====        =======         =====       =======       =====         ======== 
</TABLE>

                           See accompanying notes. 

                                     F-5 
<PAGE> 

                               PEGASYSTEMS INC. 

                    CONSOLIDATED STATEMENTS OF CASH FLOWS 

<TABLE>
<CAPTION>
                                                                                       Nine Months Ended 
                                                         Year Ended December 31,         September 30, 
                                                     ------------------------------- --------------------- 
                                                        1993       1994       1995      1995       1996 
                                                        ----       ----       ----      ----       ---- 
                                                                                          (unaudited) 
                                                                         (in thousands) 
<S>                                                    <C>       <C>        <C>        <C>        <C>     
Operating activities 
 Net income                                            $ 1,233   $ 2,193    $ 2,878    $ 1,393    $ 3,567 
 Adjustments to reconcile net income to  net cash 
  provided (used) by operating  activities: 
  Provision for deferred income taxes                      629       961      1,836        819      2,037 
  Depreciation and amortization                          1,536     1,511      1,455        975      1,152 
  Provision for doubtful accounts                          326        --        793         --         -- 
  Change in operating assets and liabilities: 
   (Increase) in trade and installment  accounts 
   receivable                                           (2,149)   (3,988)    (5,638)    (3,240)    (8,438) 
   (Increase) in prepaid expenses and  other assets       (121)      (16)      (221)      (206)      (116) 
   Decrease (increase) in inventory                       (215)      215         --         --         -- 
   Increase (decrease) in accounts    payable and 
  accrued expenses                                           8       971       (244)      (895)      (198) 
   Increase (decrease) in deferred    revenue              333      (336)       (25)       769        149 
                                                       -------   -------    -------    -------    ------- 
     Net cash provided (used) by  operating 
     activities                                          1,580     1,511        834       (385)    (1,847) 
Investing activities 
   Purchase of equipment and   improvements               (888)   (1,131)    (1,423)      (851)    (1,067) 
  Software development costs                            (1,060)     (297)        --         --         -- 
                                                       -------   -------    -------    -------    ------- 
     Net cash used in investing      activities         (1,948)   (1,428)    (1,423)      (851)    (1,067) 
Financing activities 
 Repayment of note payable to shareholder                   --      (180)       (50)       (50)        -- 
 Proceeds from issuance of long-term debt                  710       380      1,345      1,347         -- 
 Repayments of long-term debt                             (243)     (263)      (575)      (299)    (1,598) 
 Issuance of common stock                                                                          29,396 
 Exercise of stock options                                  --        23         --         --         60 
                                                       -------   -------    -------    -------    ------- 
 Net cash provided (used) by financing  activities         467       (40)       720        998     27,858 
 Effect of exchange rate on cash                            --       (22)       (76)       (17)       (36) 
                                                       -------   -------    -------    -------    ------- 
 Net increase (decrease) in cash                            99        21         55       (255)    24,908 
 Cash and equivalents at beginning of year                 336       435        456        456        511 
                                                       -------   -------    -------    -------    ------- 
 Cash and equivalents at end of period                 $   435   $   456    $   511    $   201    $25,419 
                                                       =======   =======    =======    =======    ======= 
Supplemental Disclosure of Cash Flow Information: 
 Cash paid during period: 
  Interest                                             $    32   $    56    $   119    $    69    $    85 
                                                       =======   =======    =======    =======    ======= 
  Income taxes                                         $   553   $   135    $   315    $   274    $    28 
                                                       =======   =======    =======    =======    ======= 
</TABLE>

                           See accompanying notes. 

                                     F-6 
<PAGE> 

                               PEGASYSTEMS INC. 

                  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS 
                              December 31, 1995 

1. Significant Accounting Policies 

Business 

   Pegasystems Inc. (the Company) was incorporated on April 21, 1983, and 
develops customer service management software used by large, 
transaction-intensive organizations to automate and manage their customer 
interactions. Customers of the Company include large banks and credit card 
processors and mutual fund companies. The Company also offers consulting, 
training and maintenance and support services to facilitate the installation 
and use of its solutions. 

   The environment of rapid technological change and intense competition 
which is characteristic of the software development industry results in 
frequent new products and evolving industry standards. The Company's 
continued success depends upon its ability to enhance current products and 
develop new products on a timely basis which keep pace with the changes in 
technology and competitors' innovations. 

   International revenue is subject to various risks including imposition of 
government controls, export license requirements, political and economic 
conditions and instability, trade restrictions, currency fluctuations, 
changes in taxes, difficulties in staffing and managing international 
operations, and high local wage scales and other operating costs and 
expenses. 

Principles of Consolidation 

   The consolidated financial statements include the accounts of the Company 
and its wholly-owned subsidiary, Pegasystems Limited. All intercompany 
accounts and transactions have been eliminated in consolidation. 

Foreign Currency Translation 

   The translation of assets and liabilities of the Company's foreign 
subsidiary is made at year-end rates of exchange, while revenue and expense 
accounts are recorded at the average rates of exchange. The resulting 
translation adjustments are excluded from net income and are charged or 
credited to "Cumulative foreign currency translation adjustment" included as 
part of stockholder's equity. Realized and unrealized exchange gains or 
losses from transaction adjustments are reflected in operations and are not 
material. 

Revenue Recognition 

   The Company recognizes revenue in accordance with Statement of Position 
91-1, Software Revenue Recognition, issued by the American Institute of 
Certified Public Accountants. Specifically, revenue from software licenses is 
recognized upon product acceptance pursuant to noncancelable license 
agreements, and is based on management's assessment that the collectibility 
risk on the long-term license installments is low. Upon acceptance, the 
Company has no significant vendor obligations. The Company accrues the 
estimated cost of warranty and product returns in the period in which product 
revenue is recognized; historically these amounts have not been material. In 
the case of license renewals, revenue is recognized upon execution of the 
renewal license agreement or if, as is generally the case, renewal is 
automatic unless the customer gives notice of termination, at the expiration 
of the period during which the customer has the right to terminate. 
Maintenance fees are recognized ratably over the term of the maintenance 
agreement. The Company recognizes implementation as well as consulting and 
training fees as the services are provided. 

   Software license revenue represents the present value of future payments 
under noncancelable license agreements which provide for payment in 
installments typically over a five-year period. A portion of the revenue from 
each agreement is recognized as interest income over the term of the 
agreement. 

                                     F-7 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

1. Significant Accounting Policies (Continued) 


The discount rate in effect for 1993, 1994, 1995 and the three months ended 
March 31, 1996 was 7%. The discount rate for the six month period ended 
September 30, 1996 was 6.75%. The trade and installment accounts receivable 
recorded on the balance sheet are net of $3,477,000, $3,937,000 and 
$3,779,000 as of December 31, 1994 and 1995, and September 30, 1996, 
respectively, which represents the imputed interest portion of future 
payments due under the Company's license agreements. Deferred revenue 
represents payments from customers, primarily for maintenance services, which 
are recognized as revenue as the related services are performed. 


Cash and Cash Equivalents 

   Cash and cash equivalents are stated at cost, which approximates market, 
and consist of short-term, highly liquid investments with original maturities 
of less than three months. 

Concentration of Credit Risk 

   Financial instruments that potentially subject the Company to 
concentration of credit risk consist primarily of trade accounts receivable 
and long-term license installments. The Company records long-term license 
installments in accordance with its revenue recognition policy which results 
in receivables from customers, primarily large financial service 
organizations with strong credit ratings. 

Interim Financial Statements 


   The consolidated balance sheet at September 30, 1996, the consolidated 
statements of income and consolidated statements of cash flows for the nine 
months ended September 30, 1995 and 1996 and the consolidated statement of 
stockholders' equity for the nine months ended September 30, 1996 are 
unaudited, but, in the opinion of management, include all adjustments 
(consisting of normal recurring adjustments) necessary for a fair 
presentation of results for these interim periods. The results of operations 
for the nine months ended September 30, 1996 are not necessarily indicative 
of results to be expected for the entire year. 


Equipment and Improvements 

   Equipment and improvements are recorded at cost. Depreciation is computed 
using the straight-line method over the estimated useful lives of the assets 
which are three years for equipment and five years for furniture and 
fixtures. Leasehold improvements are amortized over the life of the lease. 

Software Development Costs 


   In compliance with Statement of Financial Accounting Standards (SFAS) No. 
86, Accounting for the Costs of Computer Software to be Sold, Leased, or 
Otherwise Marketed, certain software development costs are capitalized in the 
accompanying consolidated balance sheets. Capitalization of software 
development costs begins upon the establishment of technological feasibility, 
defined by the Company as a working model or an operative version of the 
computer software product that is completed in the same language and is 
capable of running on all of the platforms as the product to be ultimately 
marketed. During 1994, the Company capitalized $297,000 of software costs. No 
costs were capitalized during 1995 or the nine months ended September 30, 
1996. 



   Amortization of capitalized software development cost is included in costs 
of software license revenue and is provided on a straight-line basis of two 
years, which approximates the estimated useful life of the software as it 
relates to the Company's sales. The straight line amortization is not 
materially different from the amortization computed using the current period 
revenues as a percent of total expected product revenues. Total amortization 
expense charged to operations was $1,242,000, $1,075,000, $635,000 and 
$350,000 during 1993, 1994 and 1995 and the nine months ended September 30, 
1996, respectively. 



                                     F-8 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

1. Significant Accounting Policies (Continued) 

Net Income Per Share 


   Net income per common and common equivalent share is computed using the 
weighted average number of common and dilutive common equivalent shares 
outstanding during each period, assuming the exercise of stock options into 
common stock under the treasury stock method. Stock issued after May 14, 1995 
and common stock issuable pursuant to stock options granted after May 14, 
1995 have been reflected as outstanding for all of 1993, 1994 and 1995, using 
the treasury stock method. Fully diluted earnings per common share are not 
presented as they are not materially different from primary earnings per 
common share. Dilutive common equivalent shares consist of stock options 
(using the treasury stock method and using the assumed initial public 
offering price). Net income per share also reflects a fifteen- for-one stock 
split effective December 9, 1994, and a three-for-one stock split effective 
on July 10, 1996. 



Stock Options 

   The Company grants stock options for a fixed number of shares to employees 
with an exercise price equal to the estimated fair market value of the shares 
at the date of the grant. The Company accounts for stock option grants in 
accordance with APB Opinion No. 25 "Accounting for Stock Issued to 
Employees," and intends to continue to do so. Accordingly, the Company 
recognizes no compensation expense for stock option grants. 

Use of Estimates 

   The preparation of the 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 at the 
date of the financial statements and the reported amounts of revenue and 
expenses during the reporting period. Some of the areas where estimates are 
utilized included allowance for bad debts, capitalized software, income 
taxes, revenue and various accrued expenses. Actual results could differ from 
those estimates. 

2. EQUIPMENT AND IMPROVEMENTS 

   The cost and accumulated depreciation of equipment and improvements 
consist of the following: 

                                        December 31, 
                                    -------------------- 
                                       (in thousands) 
                                      1994       1995 
                                      ----       ---- 
Equipment                            $1,435    $ 2,186 
Furniture and fixtures                  630        863 
Leasehold improvements                  202        434 
                                     ------    ------- 
                                      2,267      3,483 
Less accumulated depreciation          (703)    (1,311) 
                                     ------    ------- 
Equipment and improvements, net      $1,564    $ 2,172 
                                     ======    ======= 

                                     F-9 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

3. ACCOUNTS PAYABLE AND ACCRUED EXPENSE 

Accounts payable and accrued expenses consist of the following: 

                                         December 31, 
                                       ----------------- 
                                        (in thousands) 
                                        1994      1995 
                                        ----      ---- 
Trade accounts payable                 $  744    $  557 
Employee compensation and benefits        508       568 
Accrued income taxes                      253        -- 
Other                                     486       622 
                                       ------    ------ 
                                       $1,991    $1,747 
                                       ======    ====== 

4. DEBT AND OTHER FINANCIAL INSTRUMENTS 

   Long-term debt consists of the following: 

                                                                  December 31, 
                                                                 --------------
                                                                 (in thousands)
                                                                 1994    1995 
                                                                 ----    ---- 
Note payable to bank, with monthly payments of $3,750 plus 
  interest through December 15, 1995                             $ 45       -- 
Note payable to bank, with monthly payments of $17,222 plus 
  interest through December 1, 1996                               413   $  207 
Note payable to bank, with monthly payments of $10,556 plus 
  interest through December 1, 1997                               370      243 
Note payable to bank, with monthly payments of $32,778 plus 
  interest through June 28, 1998                                   --      983 
Note payable to bank, with monthly payments of $4,583 plus 
  interest through December 28, 1998                               --      165 
                                                                 ----    -----
                                                                  828    1,598 
Less current portion                                              378      782 
                                                                 ----   ------
                                                                 $450   $  816 
                                                                 ====   ======


   The notes bear interest at the bank's prime rate (6% at December 31, 1993 
and 8.5% at December 31, 1994 and 1995) plus 1/2%. The notes are secured by 
all computer equipment and furniture and fixtures of the Company. Maturities 
of these notes are $782,000 in 1996, $564,000 in 1997 and $252,000 in 1998. 
As of September 30, 1996, the Company had repaid all of the notes. 



   As of December 31, 1995, the Company had a line of credit with a bank 
allowing for borrowings up to $2,500,000 at the prime rate, which line of 
credit was scheduled to expire on June 1, 1996. The Company had no drawings 
against the line of credit at December 31, 1995 and 1994. Borrowings are 
subject to various covenants which call for a specified level of working 
capital and net worth, maintenance of certain financial ratios and 
restrictions on the payments of dividends. As of September 30, 1996, the 
Company's bank line of credit had been increased to $5,000,000 and extended 
until June 30, 1997. The Company had no drawings against the line of credit 
at September 30, 1996. 


   The Company had a note payable of $50,000 to the president at December 31, 
1994, which was repaid in full during 1995. The interest rate on the note was 
8.5% in 1994 and 1995. 

                                     F-10 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

4. DEBT AND OTHER FINANCIAL INSTRUMENTS (Continued) 

Financial instruments outstanding at December 31, 1995 are as follows: 

                                Carrying     Fair 
                                 Amount      Value 
                                 ------      ----- 
                                   (in thousands) 
Assets 
 Cash and cash equivalents       $  511     $  511 
Liabilities 
 Notes payable to bank           ($1,598)   ($1,598) 

The fair value of the long-term debt approximates the carrying amount due to 
the variable interest rate of the debt. 

5. EMPLOYEE BENEFIT PLANS 

Stock Option Plan 

   The Company adopted an incentive stock option plan effective July 29, 1983 
(the 1983 Plan). Key employees, as selected by the Board of Directors of the 
Company, were granted options to purchase the Company's common stock at a 
price, which in the Board of Directors' opinion, reflected fair value on the 
date of the grant. The 1983 plan expired in 1993. At December 31, 1995, no 
options issued under this plan were outstanding. 

Long-Term Incentive Plan 

   During the year ended December 31, 1994, the Company adopted a Long-Term 
Incentive Plan (the 1994 Plan) to provide incentives to employees, directors 
and consultants through opportunities to purchase stock through incentive 
stock options and through options which do not qualify as incentive stock 
options. 


   In addition to options, eligible participants under the 1994 Plan may be 
granted stock appreciation rights, restricted stock and long-term performance 
awards. At December 31, 1995, a maximum of 2,400,000 shares are reserved for 
issuance under the plan. Shares equal to 2% of the outstanding shares at the 
start of each fiscal year shall be reserved for granting of replacement 
options; however, this may not cause the maximum shareholder dilution caused 
by the Plan to exceed the 2,400,000 shares of stock reserved for issuance 
under the plan. 



   As of September 30, 1996, the Company had approved an increase in the 
number of shares issuable under the 1994 Long-Term Incentive Plan from 
2,400,000 to 5,000,000. 


   The option price per share is to be determined at the date of grant. For 
incentive stock options, the option price may not be less than 100% of the 
fair market value of the Company's common stock at the grant date. Incentive 
stock options granted to a person having greater than 10% of the voting power 
of all classes of stock must have an exercise price of at least 110% of fair 
market value of the Company's common stock. 

                                     F-11 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

5. EMPLOYEE BENEFIT PLANS (Continued) 

   Stock option activity is summarized as follows: 

<TABLE>
<CAPTION>
                                                                                        September 30, 
                                                         December 31,                        1996 
                                              1993           1994           1995         (unaudited) 
                                              ----           ----           ----         ----------- 
<S>                                         <C>            <C>            <C>            <C>
Outstanding options at beginning of 
  period                                    1,494,000      1,269,000      1,671,750       1,924,500 
 Granted                                           --      1,635,750        335,250         885,250 
 Exercised                                   (117,000)      (873,000)            --        (182,000) 
 Canceled                                    (108,000)      (360,000)       (82,500)       (109,800) 
                                            ---------      ---------      ---------     ----------- 
Outstanding at end of period                1,269,000      1,671,750      1,924,500       2,517,950 
                                            =========      =========      =========     =========== 
Price range of outstanding options          $.01-$.69      $.33-$.69      $.33-$.39     $.33-$26.50 
                                            =========      =========      =========     =========== 
Exercisable at end of period                1,216,125        396,000        605,850         521,390 
                                            =========      =========      =========     =========== 
Available for grant at end of period               --        764,250        475,500         382,050 
                                            =========      =========      =========     =========== 
</TABLE>


   In December 1995, the Company granted options to purchase 335,250 shares 
of Common Stock at an exercise price of $.39 per share. The Company recorded 
an increase to additional paid-in-capital and a corresponding charge to 
deferred compensation in the amount of $90,518 to recognize the aggregate 
difference between the deemed fair value for accounting purposes of the stock 
options at the date of grant and the exercise price. The deferred 
compensation will be amortized over the option vesting period of five years. 



6. LEASES 

   The Company leases certain equipment and office space under noncancelable 
operating leases. Future minimum rental payments required under the operating 
leases with noncancelable terms in excess of one year at December 31, 1995 
are as follows: 

Year ended December 31,         (in thousands) 
1996                               $1,016 
1997                                1,090 
1998                                1,090 
1999                                  579 
                                   ------ 
    Total                          $3,775 
                                   ====== 

   Total rent expense under operating leases was approximately $800,000, 
$863,000, and $1,100,000 for the years ended December 31, 1993, 1994 and 
1995, respectively. 

7. INCOME TAXES 

   Income before income taxes consists of the following: 

               1993     1994      1995 
               ----     ----      ---- 
                    (in thousands) 
Domestic      $2,093   $3,512    $4,318 
Foreign            0      146       323 
              ------   ------    ------ 
Total         $2,093   $3,658    $4,641 
              ======   ======    ====== 

                                     F-12 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

7. INCOME TAXES (Continued) 

   The provision (benefit) for income taxes for the years ended December 31, 
1993, 1994 and 1995 consisted of the following: 

                      1993     1994      1995 
                      ----     ----      ---- 
                           (in thousands) 
Current: 
 Federal              $180    $  297    $ (107) 
 State                  51       176       (39) 
 Foreign                --        31        73 
                      ----     -----     ----- 
   Total current       231       504       (73) 
Deferred: 
 Federal               449       691     1,563 
 State                 180       270       273 
                      ----     -----     ----- 
   Total deferred      629       961     1,836 
                      ----     -----     ----- 
                      $860    $1,465    $1,763 
                      ====     =====     ===== 

   The effective income tax rate differed from the statutory federal income 
tax rate due to: 

                                                  1993    1994     1995 
                                                  ----    ----     ---- 
Statutory federal income tax rate                 34.0%   34.0%    34.0% 
State income taxes, net of federal benefit         7.3     7.3      5.8 
Permanent differences                              1.5     2.0      0.7 
Tax credits                                       (1.7)   (3.3)    (2.5) 
                                                  ----    ----     ---- 
   Effective income tax rate                      41.1%   40.0%    38.0% 
                                                  ====    ====     ==== 

   At December 31, 1993, 1994 and 1995, the Company had research and 
development credit carryforwards of approximately $495,000, $421,000 and 
$440,000, respectively, available to offset future federal taxable income. 
These carryforward amounts generally expire from 2004 to 2008. In addition, 
as of December 31, 1993, 1994 and 1995, the Company had available alternative 
minimum tax (AMT) credit carryforwards of approximately $194,000. The 
carryforward period for the AMT credit is unlimited. 

   Deferred income taxes at December 31, 1994 and 1995 reflect the net tax 
effects of temporary differences between the carrying amounts of assets and 
liabilities for financial statement purposes and the amounts used for tax 
purposes. Significant components of the Company's deferred tax liabilities 
and assets as of December 31, 1994 and 1995 are as follows: 

                                     F-13 
<PAGE> 

                               PEGASYSTEMS INC. 

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 
                              December 31, 1995 

7. INCOME TAXES (Continued) 

                                           December 31, 
                                        1994        1995 
                                        ----        ---- 
                                          (in thousands) 
Deferred tax liabilities: 
 Software revenue                      $(6,924)    $(9,303) 
 Capitalized software                     (501)       (213) 
 Depreciation                               --        (142) 
 Other                                      --         (41) 
                                       -------     ------- 
   Total deferred tax liabilities       (7,425)     (9,699) 
Deferred tax assets: 
 Deferred state taxes                      590         729 
 License fees                              119         119 
 Vacation accrual                           64         109 
 Other                                     133         274 
 Tax credits                               612         725 
                                       -------     ------- 
   Total deferred tax assets             1,518       1,956 
                                        ------     ------- 
   Net deferred tax liabilities         (5,907)     (7,743) 
   Less current portion                 (1,976)     (2,796) 
                                        ------     ------- 
                                       $(3,931)    $(4,947) 
                                        ======     ======= 

8. SIGNIFICANT CUSTOMERS 

   During 1993 the Company had two customers that accounted for 12.9% and 
12.3%, respectively, of the Company's consolidated revenue. In 1994 one 
customer accounted for 16.8% of the Company's consolidated revenue. This 
customer also accounted for 12.6% of the Company's 1995 consolidated revenue. 
Additionally, in 1995 two other customers accounted for 16.2% and 14.9%, 
respectively, of the Company's consolidated revenue. 

9. INTERNATIONAL OPERATIONS 

   The Company's export sales from the United States are as follows: 

                    1993      1994      1995 
                    ----      ----      ---- 
                         (in thousands) 
United Kingdom     $  488    $1,515    $1,343 
Ireland                 0     1,288       355 
Canada                 58     1,008       114 
Switzerland           469        49       125 
France                  0        25       297 
Other                   0        47       100 
                   ------    ------    ------ 
Total              $1,015    $3,932    $2,334 
                   ======    ======    ====== 

10. RECAPITALIZATION AND STOCK SPLIT

   During the year ended December 31, 1994, the Company increased the number 
of shares authorized from 600,000 shares of $.01 par value common stock to 9 
million shares of $.01 par value common stock. 

   On December 9, 1994, the Company's Board of Directors declared a 
fifteen-for-one split of shares of $.01 par value common stock effected in 
the form of a dividend. This dividend resulted in 7,830,000 

                                     F-14 
<PAGE> 

                               PEGASYSTEMS INC. 

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
                              December 31, 1995 

10. RECAPITALIZATION AND STOCK SPLIT (Continued) 

shares of common stock being issued and outstanding after the split. The par 
value of the additional shares of common stock issued in connection with the 
stock split was credited to common stock and a like amount was charged to 
additional paid-in capital to the extent available, and the remainder to 
retained earnings. 

   On July 10, 1996, the Company increased the number of shares of common 
stock authorized from 9 million to 45 million shares. The Company's Board of 
Directors approved a three-for-one stock split in the form of a stock 
dividend effective on July 10, 1996. 

   The financial statements give effect to both stock splits for all periods 
presented. 

   The Board of Directors is authorized, subject to certain limitations 
prescribed by law, without further stockholder approval, to issue from time 
to time up to an aggregate 1,000,000 shares of Preferred Stock in one or more 
series and to fix or alter the designations, preferences, rights and any 
qualifying limitations or restrictions of the shares of each such series 
thereof, including the dividend rights, dividend rates, conversion rights, 
voting rights, terms of redemptions (including sinking fund provisions), 
redemption price or prices, liquidation preferences and the number of shares 
constituting any shares or designations of such series. 


11. SUBSEQUENT EVENTS 

   1996 Non-Employee Director Stock Option Plan The 1996 Non-Employee 
Director Stock Option Plan (the "Director Plan") was adopted by the Board of 
Directors on May 13, 1996. The Director Plan provides for the grant of 
options for the purchase of up to 250,000 shares of common stock of the 
Company. As of September 30, 1996, options for the purchase of 90,000 shares 
have been granted under the Director Plan. 


   The Director Plan is administered by the Compensation Committee and 
provides that each person who becomes a director of the Company after May 13, 
1996 and who is not also an employee of the Company will receive upon his 
initial election to the Board of Directors, an option to purchase 30,000 
shares of common stock vesting in equal annual installments over five years. 
The exercise price per share for all options granted under the Director Plan 
will be equal to the market price of the common stock as of the date of 
grant. Options may not be assigned or transferred except by will or by the 
laws of descent and distribution and are exercisable, only to the extent 
vested, within 90 days after the optionee ceases to serve as a director of 
the Company (except that if a director dies or becomes disabled while he or 
she is serving as a director of the Company, the option is exercisable until 
the earlier of the scheduled expiration date of the option or one year from 
the date of death or disability). 

   1996 Employee Stock Purchase Plan The 1996 Employee Stock Purchase Plan 
(the "Stock Purchase Plan") was adopted by the Board of Directors on May 13, 
1996. An aggregate of 500,000 shares of common stock are reserved for 
issuance pursuant to this plan. 

   The Stock Purchase Plan is administered by the Compensation Committee. All 
employees of the Company whose customary employment is in excess of 20 hours 
per week and more than five months per year, other than those employees who 
own 5% or more of the stock of the Company, are eligible to participate in 
the Stock Purchase Plan. The Stock Purchase Plan will be implemented by one 
or more offerings of such duration as the Compensation Committee may 
determine, provided that no offering period may be longer than 27 months. An 
eligible employee participating in an offering will be able to purchase 
common stock at a price equal to the lesser of: (i) 85% of its fair market 
value on the date the right was granted, or (ii) 85% of its fair market value 
on the date the right was exercised. Payment for common stock purchased under 
the Stock Purchase Plan will be through regular payroll deduction or lump sum 
cash payment, or both, as determined by the Compensation Committee. The 
maximum value of common stock an employee may purchase during an offering 
period is 10% of the employee's base salary 

                                     F-15 
<PAGE> 

                               PEGASYSTEMS INC. 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

                              December 31, 1995 

11. SUBSEQUENT EVENTS (Continued) 

during such period, calculated on the basis of the employee's compensation 
rate on the date the employee elects to participate in that offering. 

   To date, there have been no offerings under the Stock Purchase Plan and no 
shares of common stock have been issued thereunder. 

   Line of Credit The Company's bank line of credit was increased to $5 
million and extended until June 30, 1997. 

   1994 Long Term Incentive Plan On May 13, 1996, the Company approved an 
increase in the number of shares issuable under the 1994 Long-Term Incentive 
Plan from 2,400,000 to 5,000,000. 


   Initial Public Offering On July 24, 1996, the Company completed an initial 
public offering of 2.7 million shares of its common stock at $12.00 per 
share. 



                                     F-16 
<PAGE> 

                                 UNDERWRITING 

   Subject to the terms and conditions of the Underwriting Agreement, the 
Company and the Selling Stockholders have agreed to sell to each of the 
Underwriters named below, and each of such Underwriters, for whom Goldman, 
Sachs & Co., Cowen & Company and Montgomery Securities are acting as 
representatives, has severally agreed to purchase from the Company and the 
Selling Stockholders, the respective number of shares of Common Stock set 
forth opposite its name below: 

                            Number of 
                            Shares of 
  Underwriter              Common Stock 
  -----------              ------------ 
Goldman, Sachs & Co. 
Cowen & Company 
Montgomery Securities 

                            ---------
Total                       2,245,000
                            =========

   Under the terms and conditions of the Underwriting Agreement, the 
Underwriters are committed to take and pay for all of the shares offered 
hereby, if any are taken. 


   The Underwriters propose to offer the shares of Common Stock in part 
directly to the public at the public offering price set forth on the cover 
page of this Prospectus and in part to certain securities dealers at such 
price less a concession of $     per share. The Underwriters may allow, and 
such dealers may reallow, a concession not in excess of      per share to 
certain brokers and dealers. After the shares of Common Stock are released 
for sale to the public, the offering price and other selling terms may from 
time to time be varied by the representatives. 

   The Company has granted the Underwriters an option exercisable for 30 days 
after the date of this Prospectus to purchase up to an aggregate of 336,750 
additional shares of Common Stock to cover over- allotments, if any. If the 
Underwriters exercise their over-allotment option, the Underwriters have 
severally agreed, subject to certain conditions, to purchase approximately 
the same percentage thereof that the number of shares to be purchased by each 
of them, as shown in the foregoing table, bears to the 2,245,000 shares of 
Common Stock offered. 

   The Company and the Selling Stockholders have agreed that, subject to 
certain exceptions, during the period beginning from the date of this 
Prospectus and continuing to and including the date 120 days after the date 
of the Prospectus, they will not offer, sell, contract to sell or otherwise 
dispose of any shares of Common Stock or of any other securities of the 
Company (other than pursuant to stock plans existing on the date of this 
Prospectus) which are substantially similar to the shares of Common Stock or 
which are convertible or exchangeable into securities which are substantially 
similar to the shares of Common Stock without the prior written consent of 
the representatives, except for the shares of Common Stock offered in 
connection with the offering. 

   The Company and the Selling Stockholders have agreed to indemnify the 
several Underwriters against certain liabilities, including liabilities under 
the Securities Act. 

   In connection with this offering, certain Underwriters and selling group 
members (if any) or their respective affiliates who are qualifying registered 
market makers on Nasdaq, may engage in passive market making transactions in 
the Common Stock of the Company on Nasdaq in accordance with Rule 10b-6A 
under the Securities Exchange Act of 1934 during the two business day period 
before commencement of offers or sales of the Common Stock offered hereby. 
The passive market making transactions must comply with applicable volume and 
price limits and be identified as such. In general, a passive market maker 
may display its bid at a price not in excess of the highest independent bid 
for the security; if all independent bids are lowered below the passive 
market maker's bid, however, such bid must then be lowered when certain 
purchase limits are exceeded. 



                                     U-1 
<PAGE> 

Picture of Pegasus, the winged horse of mythology, flying out of a computer
terminal screen, against a background of stars.

Service Excellence
Through Automation


<PAGE>

================================================================================

  No person has been authorized to give any information or to make any 
representations other than those contained in this Prospectus, and, if given 
or made, such information or representations must not be relied upon as 
having been authorized. This Prospectus does not constitute an offer to sell 
or the solicitation of an offer to buy any securities other than the 
securities to which it relates or an offer to sell or the solicitation of an 
offer to buy such securities in any circumstances in which such offer or 
solicitation is unlawful. Neither the delivery of this Prospectus nor any 
sale made hereunder shall, under any circumstances, create any implication 
that there has been no change in the affairs of the Company since the date 
hereof or that the information contained herein is correct as of any time 
subsequent to its date. 


                                ------------- 

                              TABLE OF CONTENTS 

                                                                  Page 
                                                                --------- 
Prospectus Summary                                                  3 
Risk Factors                                                        5 
Use of Proceeds                                                    12 
Price Range of Common Stock                                        12 
Dividend Policy                                                    12 
Capitalization                                                     13 
Selected Consolidated Financial Data                               14 
Management's Discussion and Analysis 
  of Financial Condition and Results 
  of Operations                                                    15 
Business                                                           24 
Management                                                         35 
Certain Transactions                                               40 
Principal and Selling Stockholders                                 41 
Description of Capital Stock                                       42 
Shares Eligible for Future Sale                                    44 
Legal Matters                                                      45 
Experts                                                            45 
Available Information                                              45 
Additional Information                                             45 
Index to Consolidated Financial 
  Statements                                                      F-1 
Underwriting                                                      U-1 


                               2,245,000 Shares 

                               Pegasystems Inc. 



                                 Common Stock 
                          (par value $.01 per share) 


                                ------------- 


                             [PEGASYSTEMS INC. LOGO]


                                ------------- 

                             Goldman, Sachs & Co. 
                               Cowen & Company 
                            Montgomery Securities 
                     Representatives of the Underwriters 



================================================================================

<PAGE> 

                                   PART II 

                    INFORMATION NOT REQUIRED IN PROSPECTUS 

Item 13. Other Expenses of Issuance and Distribution. 

   Estimated expenses (other than underwriting discounts and commissions) 
payable in connection with the sale of the Common Stock offer hereby are as 
follows: 

SEC registration fee                                 $ 25,525 
NASD filing fee                                         8,923 
Nasdaq National Market listing fee                     17,500 
Printing and engraving expenses                        80,000 
Legal fees and expenses                                75,000 
Accounting fees and expenses                           75,000 
Blue Sky fees and expenses                             10,000 
Transfer agent and registrar fees and expenses          5,000 
Miscellaneous                                           3,052 
                                                     --------
Total                                                $300,000 
                                                     ========

   The Registrant will bear all expenses shown above. 

Item 14. Indemnification of Directors and Officers. 

   Section 67 of Chapter 156B of the Massachusetts General Laws provides that 
a corporation may indemnify its directors and officers to the extent 
specified in or authorized by (i) the articles of organization, (ii) a by-law 
adopted by the stockholders, or (iii) a vote adopted by the 
holders of a majority of the shares of stock entitled to vote on the election 
of directors. In all instances, the extent to which a corporation provides 
indemnification to its directors and officers under Section 67 is optional. 
In its Restated Articles of Organization, the Registrant has elected to 
commit to provide indemnification to its directors and officers in specified 
circumstances. Generally, the Restated Articles of Organization provide that 
the Registrant shall indemnify directors and officers of the Registrant 
against liabilities and expenses arising out of legal proceedings brought 
against them by reason of their status as directors or officers or by reason 
of their agreeing to serve, at the request of the Registrant, as a director 
or officer with another organization. Under this provision, a director or 
officer of the Registrant shall be indemnified by the Registrant for all 
costs and expenses (including attorneys' fees), judgments, liabilities and 
amounts paid in settlement of such proceedings, even if he is not successful 
on the merits, if he acted in good faith in the reasonable belief that his 
action was in the best interests of the Registrant. The Board of Directors 
may authorize advancing litigation expenses to a director or officer at his 
request upon receipt of an undertaking by any such director or officer to 
repay such expenses if it is ultimately determined that he is not entitled to 
indemnification for such expenses. 

   Article VI of the Registrant's Restated Articles of Organization 
eliminates the personal liability of the Registrant's directors to the 
Registrant or its stockholders for monetary damages for breach of a 
director's fiduciary duty, except for liability (i) for any breach of a 
director's duty of loyalty to the Registrant or its stockholders, (ii) for 
acts or omissions not in good faith or which involve intentional misconduct 
or a knowing violation of laws, (iii) for authorization of illegal dividends 
or redemptions, or (iv) for any transaction in which a director derived an 
improper personal benefit. 

   Section 8 of the Underwriting Agreement provides that the Underwriters are 
obligated, under certain circumstances, to indemnify the Company, directors, 
officers and controlling persons of the Company against certain liabilities, 
including liabilities under the Securities Act. Reference is made to the form 
of Underwriting Agreement filed as Exhibit 1.1 hereto. 

   The Company maintains directors and officers liability insurance for the 
benefit of its directors and certain of its officers. 

                                     II-1 
<PAGE> 

Item 15. Recent Sales of Unregistered Securities. 

   In the three years preceding the filing of this registration statement, 
the Company has issued the below-listed securities that were not registered 
under the Securities Act. The numbers below have been adjusted to give effect 
to (i) the 15-for-1 split of the Registrant's Common Stock, in the form of a 
dividend, which became effective on December 9, 1994 and (ii) the 3-for-1 
split of the Registrant's Common Stock, in the form of a dividend, which 
became effective on July 10, 1996. 

   Between December 1993 and July 31, 1996, the Registrant issued an 
aggregate of 1,090,800 shares of Common Stock upon the exercise of options, 
at a weighted average exercise price of approximately $0.05 per share, to 
certain officers and employees of the Registrant for total consideration of 
$57,728. 

   Between December 1994 and July 31, 1996, the Registrant issued options to 
certain officers, directors and employees of the Registrant to purchase an 
aggregate of 2,339,700 shares of Common Stock under the Registrant's 1994 
Long-Term Incentive Plan and 1996 Non-Employee Director Stock Option Plan at 
a weighted average exercise price of approximately $3.13 per share. 

   No underwriters were involved in the foregoing sales of securities. Such 
sales were made in reliance upon an exemption from the registration 
provisions of the Securities Act set forth in Section 4(2) thereof relative 
to sales by an issuer not involving any public offering or the rules and 
regulations thereunder, or, in the case of options, Rule 701 of the 
Securities Act. All of the foregoing securities are deemed restricted 
securities for the purposes of the Securities Act. 

Item 16. Exhibits and Financial Statement Schedules. 

   (a) Exhibits: 

<TABLE>
<CAPTION>

Exhibit 
No.            Description 
- ---            -----------
<S>            <C>
1.1.+          Form of Underwriting Agreement. 
3.3.*          Restated Articles of Organization of the Registrant. 
3.4.*          Restated By-Laws of the Registrant. 
4.1.*          Specimen certificate representing the Common Stock. 
5.1.+          Opinion of Choate, Hall & Stewart with respect to the legality of the securities of the 
                Registrant being registered. 
10.1.*         Amended and Restated 1994 Long-Term Incentive Plan. 
10.2.*         1996 Non-Employee Director Stock Option Plan. 
10.3.*         1996 Employee Stock Purchase Plan. 
10.4.*         Loan Agreement dated as of December 16, 1993 between the Registrant and Fleet Bank of 
                Massachusetts, N.A. 
10.5.*         Loan Modification Agreement dated as of May 5, 1995 between the Registrant and Fleet Bank of 
                Massachusetts, N.A. 
10.6.*         Second Loan Modification Agreement dated May 15, 1996 between the Registrant and Fleet National 
                Bank (successor by merger to Fleet Bank of Massachusetts, N.A.). 
10.11.*        Promissory Note dated May 15, 1996 in the amount of $5,000,000 made by the Registrant to the 
                order of Fleet National Bank. 
10.13.*        Lease Agreement dated February 26, 1993 between the Registrant and Riverside Office Park Joint 
                Venture. 
10.14.*        Amendment Number 1 to Lease Agreement dated August 7, 1994 between the Registrant and Riverside 
                Office Park Joint Venture. 
21.1.*         Subsidiaries of the Registrant. 
23.1.          Consent of Ernst & Young LLP. 
23.2.+         Consent of Choate, Hall & Stewart (included in Exhibit 5.1). 
23.6.+         Consent of the Aberdeen Group, Inc. 
24.1.+         Powers of Attorney.

                                     II-2 
<PAGE> 

Exhibit 
No.            Description 
- ---            -----------
27.1.+        Financial Data Schedule. 
99.1.+        Valuation and Qualifying Accounts of the Registrant. 
</TABLE>

- ------------- 
+Previously filed.


*Filed as an exhibit to the Registrant's Registration Statement on Form S-1 
(Registration No. 333-03807) or an amendment thereto and incorporated herein 
by reference to the same exhibit number. 

   (b) Financial Statement Schedules: 

   Schedule II--Valuation and Qualifying Accounts 

   All other schedules are omitted because they are not applicable, not 
required under the instructions, or all of the information required is set 
forth in the financial statements or notes thereto. 

Item 17. Undertakings. 

   Insofar as indemnification for liabilities arising under the Securities 
Act may be permitted to directors, officers and controlling persons of the 
Registrant pursuant to provisions described in Item 14 above, or otherwise, 
the Registrant has been advised that in the opinion of the Securities and 
Exchange Commission, such indemnification is against public policy as 
expressed in the Securities Act and is, therefore, unenforceable. In the 
event that a claim for indemnification against such liabilities (other than 
the payment by the Registrant of expenses incurred or paid by a director, 
officer or controlling person of the Registrant in the successful defense of 
any action, suit or proceeding) is asserted by such director, officer or 
controlling person in connection with the securities being registered, the 
Registrant will, unless in the opinion of its counsel the matter has been 
settled by controlling precedent, submit to a court of appropriate 
jurisdiction the question whether such indemnification by it is against 
public policy as expressed in the Securities Act and will be governed by the 
final adjudication of such issue. 

   The Registrant hereby undertakes (1) to provide to the Underwriters at the 
closing specified in the Underwriting Agreement certificates in such 
denominations and registered in such names as required by the Underwriters to 
permit prompt delivery to each purchaser; (2) that for purposes of 
determining any liability under the Securities Act, the information omitted 
from the form of prospectus filed as part of this Registration Statement in 
reliance upon Rule 430A and contained in a form of prospectus filed by the 
Registrant pursuant to Rule 424(b)(1) or (4) or 497(h) under the Securities 
Act shall be deemed to be part of this Registration Statement as of the time 
it was declared effective; and (3) that for the purpose of determining any 
liability under the Securities Act, each post-effective amendment that 
contains a form of prospectus shall be deemed to be a new registration 
statement relating to the securities offered therein, and the offering of 
such securities at that time shall be deemed to be the initial bona fide 
offering thereof. 

                                     II-3 
<PAGE> 

                                  SIGNATURES 


   
   Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 2 to the Registration Statement to be signed
on its behalf by the undersigned, thereunto duly authorized, in Cambridge,
Massachusetts on January 21, 1997.
    

                                        PEGASYSTEMS INC. 



   
                                        By /s/ Alan Trefler
                                           ----------------------------------
                                               Alan Trefler 
                                               President 
    


   
   Pursuant to the requirements of the Securities Act of 1933, this 
Amendment No. 2 has been signed below by the following persons in the 
capacities and on the dates indicated. 
    

   
<TABLE>
<CAPTION>
           Signature                               Title(s)                              Date 
           ---------                               --------                              ---- 
<S>                                   <C>                                          <C>
/s/ Alan Trefler                      President and Director 
- -------------------------------       (Principal Executive Officer)                January 21, 1997
Alan Trefler                                                    

                                      
    Ira Vishner*                      Vice President of Corporate Services,
- -------------------------------       Treasurer and Director (Principal 
Ira Vishner                           Financial and Accounting Officer)            January 21, 1997 


    Edward A. Maybury*                Director                                     January 21, 1997 
- -------------------------------       
Edward A. Maybury                     


- -------------------------------       Director                                      
Edward B. Roberts                     


    Leonard A. Schlesinger*           Director                                     January 21, 1997 
- -------------------------------       
Leonard A. Schlesinger                


    Thomas E. Swithenbank*            Director                                     January 21, 1997 
- -------------------------------       
Thomas E. Swithenbank                 



*/s/  Alan Trefler
- ------------------------------
Alan Trefler
Attorney-in-Fact


</TABLE>
    

                                     II-4 
<PAGE> 

================================================================================



                      SECURITIES AND EXCHANGE COMMISSION 
                            Washington, D.C. 20549 

                                ------------- 

                                   EXHIBITS 
                                      TO 
                                   FORM S-1 

                            REGISTRATION STATEMENT 
                                    Under 
                          The Securities Act of 1933 

                                ------------- 

                               PEGASYSTEMS INC. 

            (Exact Name of Registrant As Specified In its Charter) 

                                ------------- 


                               101 Main Street 
                        Cambridge, Massachusetts 02142 
                   (Address of Principal Executive Offices) 



================================================================================






                                                                    Exhibit 23.1

                        CONSENT OF INDEPENDENT AUDITORS


   
     We consent to the reference to our firm under the captions "Experts" and
"Selected Consolidated Financial Data" and to the use of our report dated May 6,
1996 (except for Note 10 as to which the date is July 10, 1996 and Note 11 as to
which the date is November 19, 1996), in the Registration Statement (Post
Effective Amendment No. 2 to Form S-1 No. 333-16475) and the related Prospectus
of Pegasystems Inc. for the registration of 2,581,750 shares of its common
stock.
    

     Our audits also included the financial statement schedule of Pegasystems
Inc. located at Exhibit 99.1. 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.


                                                          ERNST & YOUNG LLP

   
Boston, Massachusetts
January 17, 1997
    






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