PARAMETRIC TECHNOLOGY CORP
10-K405, 1997-12-29
PREPACKAGED SOFTWARE
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<PAGE>
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-K
                Annual Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934


              For the Fiscal Year Ended: September 30, 1997    
                                         ------------------
                        Commission File Number: 0-18059
                                                -------
                        PARAMETRIC TECHNOLOGY CORPORATION
             (Exact name of registrant as specified in its charter)

         Massachusetts                              04-2866152
- -------------------------------      --------------------------------------
(State or other jurisdiction of      (I.R.S. Employer Identification Number)
incorporation or organization)

                    128 Technology Drive, Waltham, MA 02154
                    ---------------------------------------
         (Address of principal executive offices, including zip code)

                                (781) 398-5000
                    ---------------------------------------
             (Registrant's telephone number, including area code)

Securities registered pursuant to            Securities registered pursuant to
Section 12(b) of the Act:                    Section 12(g) of the Act:

                    None                 Common Stock, $.01 par value per share
                                         --------------------------------------
                                                  (Title of Class)

       Indicate by check mark whether the registrant has (i) filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports) and (ii) has been subject to such
filing requirements for the past 90 days.

                            YES     X           NO 
                                ----------         ---------- 

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

       The aggregate market value of the voting stock held by nonaffiliates of
the registrant as of October 31, 1997 was $4,478,147,410.


       Indicate the number of shares outstanding of each of the registrant's
classes of common stock, as of the latest practicable date.

       Common Stock, $.01 par value per share             127,936,236
       --------------------------------------        ----------------------
                             Class               Outstanding at October 31, 1997

                       DOCUMENTS INCORPORATED BY REFERENCE

       Portions of the Annual Report to Stockholders for the fiscal year ended
September 30, 1997 ("1997 Annual Report to Stockholders") are incorporated by
reference into Parts I and II.

       Portions of the definitive Proxy Statement in connection with the Annual
Meeting of Stockholders to be held February 12, 1998 ("1998 Proxy Statement")
are incorporated by reference into Part III.
<PAGE>
 
                   Important Factors Regarding Future Results

Information provided by the Company, including information contained in this
Annual Report on Form 10-K, or by its spokespersons from time to time may
contain forward-looking statements concerning projected financial performance,
market and industry segment growth, product development and commercialization,
or other aspects of future operations. Such statements are based on the
assumptions and expectations of management at the time such statements are made.
The Company cautions investors that its performance (and, therefore, any
forward-looking statement) is subject to risks and uncertainties. Various
important factors, including but not limited to those discussed herein, may
cause the Company's future results to differ materially from those projected in
any forward-looking statement. Important information about such factors and the
basis for those assumptions is contained in "Proposed Acquisition" and
"Important Factors Regarding Future Results" included in the "Management's
Discussion and Analysis of Financial Condition and Results of Operations"
section in the 1997 Annual Report to Stockholders, which section is incorporated
herein by reference, and in the "Risk Factors" section of the Company's
Registration Statement on Form S-4 filed with the Securities and Exchange
Commission on November 12, 1997.



                                     PART I

ITEM 1:    Business

                                     General

Parametric Technology Corporation (the "Company") develops, markets and supports
Pro/ENGINEER(R) Solutions, a family of software products that automate the
complete product development process within the mechanical computer-aided
design, manufacturing and engineering ("CAD/CAM/CAE") industry. The Company's
Pro/ENGINEER product line includes industrial design; mechanical design;
functional simulation; production applications; information technology
applications and implementation solutions. The Company focuses its marketing and
sales efforts primarily on the electronic, aerospace, automotive, consumer
products, medical equipment, industrial equipment, heavy equipment and
telecommunications industries.

Mechanical CAD/CAM/CAE is a complex process which encompasses a broad spectrum
of engineering disciplines essential to the development of virtually all
manufactured products, ranging from consumer products to jet aircraft.
Manufacturers compete on the basis of cost, time to market and product
performance criteria, which are significantly affected by the quality and length
of the product development process. The Company's mechanical CAD/CAM/CAE
products offer a high-performance, fully integrated solution which enables
end-users to reduce the time to market and manufacturing costs for their
products and to improve product quality by easily evaluating multiple design
alternatives. The Company believes that its Pro/ENGINEER product line offers
better price/performance, greater ease of use and more complete integration of
multiple engineering disciplines than other available mechanical CAD/CAM/CAE
products.

The Company's Pro/ENGINEER product line is based on an innovative software
architecture that incorporates a unique parametric, feature-based solid modeling
technology. The Company's Pro/ENGINEER software uses a single data structure to
capture changes made in any stage of the product development process and to
automatically update designs and all engineering deliverables. The single data
structure allows all changes to be propagated automatically throughout the
product development process, enabling users to integrate multiple engineering
activities in the mechanical design process and conduct them on a concurrent
basis. In addition, as a result of the data structure of the Company's products,
engineers can create, process, modify and store designs quickly and easily, in a
highly efficient manner.

The Pro/ENGINEER product line runs on all major UNIX(R) and Microsoft(R) Windows
NT(TM) and Windows(R) 95 Operating System platforms, and is
hardware-independent. The product is written in "C" programming language, which
allows for portability from one standard workstation to another.

                                       2
<PAGE>
 
                              Proposed Acquisition

On November 4, 1997, the Company announced that it had entered into an agreement
to acquire Computervision Corporation ("Computervision") in a stock-for-stock
transaction. Based on the November 3, 1997 closing price of the Company's common
stock, the aggregate equity value of the transaction is approximately
$260,000,000. The Company will also assume approximately $240,000,000 in debt
from Computervision, and expects to use cash and short-term investment balances
to repay a substantial portion of such debt.

Under the terms of the proposed transaction, each share of Computervision common
stock will be exchanged for .0866 shares of the Company's common stock. The
transaction is intended to be accounted for as a pooling of interests and to
qualify as a tax-free reorganization. Upon closing, Computervision will become a
wholly owned subsidiary of the Company. The transaction is subject to approval
of Computervision's shareholders at a meeting called for January 12, 1998 and is
expected to close promptly after such approval. The Company expects to recognize
a non-recurring charge of approximately $75,000,000 to $95,000,000 related to
certain merger-related, debt prepayment, consolidation and integration expenses
during the quarter in which the transaction closes.

The Company expects that the acquisition of Computervision will expand its
business presence and make it more competitive in the high-end of the
computer-aided design market in the automotive and aerospace industries.
Computervision's products are also expected to broaden the Company's data
management product offerings and permit it to offer enterprise-wide data
management products that address the requirements of larger customers.

Except where explicitly noted, the discussion in this Report does not give
effect to the acquisition of Computervision.



                               Product Development

The mechanical CAD/CAM/CAE industry is characterized by rapid technological
advances. The Company's ability to develop new products rapidly is facilitated
by the modular structure of its software code, which enables functional
subroutines used in existing products to be accessed and utilized by new
software modules, thereby reducing the amount of new code required to develop
additional products. The major benefit of this approach is rapid development of
new functionality. There can be no assurance, however, that the Company will be
successful in developing and marketing product enhancements or new products and
modules that respond to technological changes by others, or that its new
products will adequately address the needs of the marketplace.

The Company works closely with its customers to define improvements and
enhancements, which are then integrated into the products. Using this approach,
customers become involved in the product design process to validate feasibility
and to influence functionality early in the product's life-cycle. In addition,
the Company's Cooperative Software Program ("CSP") provides the mechanisms and
environment to facilitate the integration of complementary products with the
Pro/ENGINEER product line. Through the Company's open software toolkit, the CSP
members can build tightly integrated solutions that satisfy various requirements
of the Company's customers.

During the years ended September 30, 1997, 1996 and 1995, the Company incurred
expenses of $53,236,000, $39,476,000 and $25,591,000, respectively, on research
and development.


                                      Sales

The Company derives most of its revenue from products distributed directly to
its customers and the remainder through third-party distributors. The Company's
sales force manages the activities of all distribution channels within a
geographic area.

As of September 30, 1997, the Company's sales and marketing organization
consisted of 800 employees in the United States and 1,293 employees abroad. The
Company has sales and/or support offices throughout the United States and in 34
foreign countries.

Since inception, the Company has licensed software products for nearly 101,500
seats to more than 15,000 companies. A seat of software generally consists of
the Company's core product, Pro/ENGINEER, together with several other software

                                       3
<PAGE>
 
modules, configured to serve the needs of a single end-user. End-users of the
Company's products range from small companies to some of the world's largest
manufacturing organizations. No single customer accounted for more than 10% of
the Company's revenue in fiscal 1997 or prior years.

Information with respect to foreign and domestic operations and export sales,
and the risks thereof, may be found in Note L to the Consolidated Financial
Statements and the section entitled "Management's Discussion and Analysis of
Financial Condition and Results of Operations" of the 1997 Annual Report to
Stockholders, which financial statements and section are included in Exhibit
13.1 to this Annual Report on Form 10-K and incorporated herein by reference.

                                  Competition

The Company competes most directly with the CADAM(R) and CATIA(R) products
developed by Dassault and marketed by IBM(R), the UNIGRAPHICS(R) product
marketed by EDS, the I/EMS(TM) product marketed by Intergraph Corporation and
the I-DEAS Master Series(TM) product marketed by Structural Dynamics Research
Corporation. The Company believes that the principal bases for competition in
its markets are product functionality, price/performance characteristics,
product portability, ease of product use, sales and marketing strength, support
services and corporate reputation. The Company is aware of ongoing efforts by
competitors, some of whom have greater resources than the Company, to develop
technically equivalent or superior technology and market these products at lower
prices. Should a competitor successfully bring such a product to market and be
able to sell it at a lower price in the future, the Company's operating results
could be materially adversely affected. The Company's future success will depend
in a large part on its ability to license and sell additional products and
services to its existing customer base as well as the installed customer bases
of traditional mechanical CAD/CAM/CAE suppliers.

                               Proprietary Rights

The Company regards its software products as proprietary and attempts to protect
its intellectual property rights by relying on copyrights, trademarks, patents
and common law safeguards, including trade secret protection, as well as
restrictions on disclosures and transferability in its agreements with other
parties. The Company typically distributes its products under software license
agreements, which grant customers perpetual licenses to, rather than ownership
of, the Company's products and which contain provisions protecting the Company's
ownership of and the confidentiality of the underlying technology. The Company
also limits access to and distribution of its software, documentation and other
proprietary information. The source code of the Company's products is protected
as a trade secret and as an unpublished copyright work. Despite these
precautions, it may be possible to copy or otherwise obtain and use the
Company's products or technology without authorization. In addition, effective
copyright and trade secret protection may be unavailable or limited in certain
foreign countries.

The Company believes that, due to the rapid pace of innovation within its
industry, factors such as the technological and creative skills of its personnel
are more important to establishing and maintaining a technology leadership
position within the industry than are the various legal protections surrounding
its technology. The Company believes that its products and technology do not
infringe any existing proprietary rights of others, although there can be no
assurance that third parties will not assert infringement claims in the future.

Parametric Technology Corporation, Pro/ENGINEER, and Pro/MECHANICA are
registered trademarks of the Company in the United States and other countries.
Parametric Technology, PTC, the PTC logo and all product names in the PTC
product family are trademarks of the Company in the United States and other
countries.

                                    Backlog

The Company generally ships its products within 30 days after acceptance of a
customer purchase order and execution of a software license agreement.
Accordingly, the Company does not believe that its backlog at any particular
point in time is indicative of future sales levels.

                                   Employees

As of September 30, 1997, the Company had 3,432 employees, including 2,093 in
sales, marketing and support activities; 567 in customer support, training and
consulting; 310 in management, finance and administration; and 462 in product
development. Of these employees, 1,707 were located throughout the United States
and 1,725 were located in foreign countries.

                                       4
<PAGE>
 
ITEM 2:    Properties

The Company's executive offices are located in approximately 307,000 square feet
of office space in Waltham, Massachusetts. The Company also leases 216
additional sales and/or support offices and development offices throughout the
United States and, through its wholly owned subsidiaries, abroad. The Company
believes that its facilities are adequate for its present needs, but will
continue to evaluate the need for additional space, as the growth of the
business requires.

ITEM 3:     Legal Proceedings

None.

ITEM 4:    Submission of Matters to a Vote of Security Holders

No matters were submitted to a vote of security holders during the last quarter
of fiscal 1997.

EXECUTIVE OFFICERS OF THE REGISTRANT

         The executive officers are:

<TABLE> 
<CAPTION> 
         Name                           Age                                     Position
         ----                           ---                                     ---------
<S>                                   <C>             <C> 
         Steven C. Walske               45             Chairman of the Board of Directors and Chief Executive Officer      
         C. Richard Harrison            42             President and Chief Operating Officer
         Edwin J. Gillis                48             Executive Vice President of Finance and Administration, Chief   
                                                       Financial Officer and Treasurer
         John D. McMahon                42             Executive Vice President of Worldwide Sales
         Martha L. Durcan               38             Vice President, Corporate Counsel and Clerk
         James F. Kelliher              38             Senior Vice President of Finance
         John G. Mokas                  38             Director of Treasury and Finance and Assistant Treasurer
</TABLE> 
Mr. Walske has been Chairman of the Board of Directors since August 1994 and
Chief Executive Officer and a director of the Company since he joined the
Company in December 1986. Mr. Walske was President of the Company from December
1986 to August 1994 and Clerk of the Company from December 1986 to February
1993.

Mr. Harrison has been President and Chief Operating Officer since August 1994.
Prior to that, Mr. Harrison served as Senior Vice President of Sales and
Distribution from September 1991 until August 1994 and as Vice President of
Sales and Distribution from May 1987 to September 1991.

Mr. Gillis has been Executive Vice President of Finance and Administration since
October 1996 and Chief Financial Officer and Treasurer since October 1995. Mr.
Gillis served as Senior Vice President of Finance and Administration from
October 1995 to September 1996. Prior to joining the Company, Mr. Gillis was
Senior Vice President of Finance and Operations and Chief Financial Officer at
Lotus Development Corporation from August 1991 until September 1995.

Mr. McMahon has been Executive Vice President of Worldwide Sales since April
1997. Prior to that, Mr. McMahon served as Senior Vice President of European
Sales from October 1996 to March 1997, Vice President of North American
Operations from October 1994 to September 1996, Vice President of Western
Operations from November 1993 to September 1994, and Vice President
International Operations from October 1991 to October 1993.

Ms. Durcan has served as Vice President since October 1993, Corporate Counsel
since joining the Company in March 1992 and as Clerk since February 1993.

Mr. Kelliher has been Senior Vice President of Finance since June 1997. Prior to
that, Mr. Kelliher had served as Vice President of Finance from December 1994
until June 1997, Director of Corporate Finance from November 1994 to December
1994, Chief Financial Officer of Europe from May 1993 to November 1994, Manager
of Finance and Assistant International Controller from February 1992 to May
1993, and Manager of Budget and Analysis from October 1991 to February 1992.


                                       5
<PAGE>
 
Mr. Mokas has been Director of Treasury and Finance and Assistant Treasurer
since February 1997. Prior to that, Mr. Mokas served as Controller from August
1993 until February 1997. Prior to joining the Company, Mr. Mokas was a manager
at Coopers & Lybrand L.L.P. from May 1988 to July 1993.

                                     PART II

ITEM 5:    Market for Registrant's Common Equity and Related Stockholder Matters

Information with respect to this item may be found in the sections captioned
"Quarterly Financial Information" and "Supplemental Financial Information"
appearing in the 1997 Annual Report to Stockholders. Such information is
incorporated herein by reference.

ITEM 6:     Selected Financial Data

Information with respect to this item may be found in the section captioned
"Five Year Summary of Selected Financial Data" appearing in the 1997 Annual
Report to Stockholders. Such information is incorporated herein by reference.

ITEM 7:     Management's Discussion and Analysis of Financial Condition and
            Results of Operations

Information with respect to this item may be found in the section captioned
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" appearing in the 1997 Annual Report to Stockholders. Such
information is incorporated herein by reference.

ITEM 8:     Financial Statements and Supplementary Data

Information with respect to this item may be found on pages 31 through 45 and in
the section entitled "Quarterly Financial Information" appearing in the 1997
Annual Report to Stockholders. Such information is incorporated herein by
reference.

ITEM 9:     Changes in and Disagreements with Accountants on Accounting and
            Financial Disclosure

On November 17, 1995, the Board of Directors of the Company, upon recommendation
of its Audit Committee, approved a change in the Company's independent
accountants from Price Waterhouse LLP to Coopers & Lybrand L.L.P. effective for
the fiscal year ended September 30, 1996. Price Waterhouse LLP served as the
Company's independent accountants for fiscal years 1992 through 1995. During
these periods, the Company did not have any disagreements with Price Waterhouse
LLP on any matter of accounting principles or practices, financial statement
disclosure or auditing scope or procedure, nor did any reports issued by Price
Waterhouse LLP contain an adverse opinion or a disclaimer of opinion, nor were
such reports qualified or modified as to uncertainty, audit scope or accounting
principles.


                                    PART III

ITEM 10:     Directors and Executive Officers of the Registrant

Information with respect to directors of the Company may be found in the
sections captioned "Election of Directors" appearing in the 1998 Proxy
Statement. Such information is incorporated herein by reference. Information
with respect to Executive Officers of the Company may be found under the section
captioned "Executive Officers of the Registrant" in Part I of this Annual Report
on Form 10-K.

ITEM 11:     Executive Compensation

Information with respect to this item may be found in the sections captioned
"Director Compensation" and "Compensation of Executive Officers" appearing in
the 1998 Proxy Statement. Such information is incorporated herein by reference.


                                       6
<PAGE>
 
ITEM 12:     Security Ownership of Certain Beneficial Owners and Management

Information with respect to this item may be found in the section captioned
"Principal Stockholders" appearing in the 1998 Proxy Statement. Such information
is incorporated herein by reference.

ITEM 13:     Certain Relationships and Related Transactions

Information with respect to this item may be found under the headings "Certain
Business Relationships" and "Compensation Committee Interlocks and Insider
Trading" in the section captioned "Compensation of Executive Officers" appearing
in the 1998 Proxy Statement. Such information is incorporated herein by
reference.



                                       7
<PAGE>
 
                                     PART IV

ITEM 14:     Exhibits, Financial Statement Schedules and Reports on Form 8-K

(a)      Documents Filed as Part of Form 10-K
         1.   Financial Statements
              -Consolidated Balance Sheet as of September 30, 1997 and 1996*
              -Consolidated Statement of Income for the years ended September
               30, 1997, 1996 and 1995* 
              -Consolidated Statement of Stockholders' Equity for the years
               ended September 30, 1997, 1996 and 1995*
              -Consolidated Statement of Cash Flows for the years ended
               September 30, 1997, 1996 and 1995*
              -Notes to Consolidated Financial Statements*
              -Reports of Independent Accountants for the years ended September
               30, 1997*, 1996* and 1995
         2.   Financial Statement Schedules
              -Reports of Independent Accountants for the years ended September
               30, 1997, 1996 and 1995 
              -Schedule II - Valuation and Qualifying Accounts
              -Schedules other than the one listed above have been omitted since
               they are either not required, not applicable, or the information
               is otherwise included.
         3.   Listing of Exhibits
              The Exhibits filed as part of this Annual Report on Form 10-K are
              listed in the Exhibit Index immediately preceding such Exhibits,
              and are incorporated herein by reference.

(b)      Reports on Form 8-K
         None.

(c)      Exhibits
         The Company hereby files as part of this Annual Report on Form 10-K the
         Exhibits listed in the attached Exhibit Index.

(d)      Financial Statement Schedules
         The Company hereby files as part of this Annual Report on Form 10-K the
         financial statement schedule listed in Item 14(a)2 as set forth above.

- ----------
* Referenced information is contained in the 1997 Annual Report to Stockholders,
  filed as Exhibit 13.1 hereto.




                                       8
<PAGE>
 
                                   SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the Registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized on the 24th day of
December, 1997.

                              PARAMETRIC TECHNOLOGY CORPORATION
          
          
                              By   /S/  Steven C. Walske
                                   ----------------------------
                                   Steven C. Walske, Chairman
                                   and Chief Executive Officer

                               POWER OF ATTORNEY
                               -----------------

We, the undersigned officers and directors of Parametric Technology Corporation,
hereby severally constitute Edwin J. Gillis and Martha L. Durcan, Esq., and each
of them singly, our true and lawful attorneys with full power to them, and each
of them singly, to sign for us and in our names in the capacities indicated
below any and all subsequent amendments to this report, and to file the same,
with exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, hereby ratifying and confirming all that
each of said attorneys-in-fact may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the Registrant and
in the capacities indicated below on the 24th day of December, 1997.

<TABLE> 
<CAPTION>

Signature                           Title
- ---------                           -----
<S>                              <C> 

/S/  Steven C. Walske            Chief Executive Officer and Chairman of the Board
- ---------------------------      (Principal Executive Officer) 
Steven C. Walske                 


/S/  C. Richard Harrison         President, Chief Operating Officer and Director
- ---------------------------
C. Richard Harrison


/S/  Edwin J. Gillis             Executive Vice President of Finance and Administration,
- ---------------------------      Chief Financial Officer and Treasurer                         
Edwin J. Gillis                  (Principal Financial Officer and Principal Accounting Officer) 
                                 


/S/  Robert N. Goldman           Director
- ---------------------------
Robert N. Goldman


/S/  Donald K. Grierson          Director
- ---------------------------
Donald K. Grierson


/S/  Oscar B. Marx, III          Director
- ---------------------------
Oscar B. Marx, III


                                 Director
- ---------------------------
Michael E. Porter


/S/  Noel G. Posternak           Director
- ---------------------------
Noel G. Posternak

</TABLE> 

                                       9
<PAGE>
 
                                 EXHIBIT INDEX
                                 -------------


Exhibit
Number
- -------

2.1      - Agreement and Plan of Reorganization dated as of November 3, 1997 by
           and among the Company, PTC Acquisition Corporation, and
           Computervision Corporation (filed as Exhibit 2.1 to the Current
           Report on Form 8-K dated November 4, 1997 and incorporated herein by
           reference).

3.1(a)   - Restated Articles of Organization of the Company (filed as Exhibit
           3.1 to the Quarterly Report on Form 10-Q for the fiscal quarter ended
           March 30, 1996 and incorporated herein by reference).

3.1(b)   - Articles of Amendment to Restated Articles of Organization
           (filed as Exhibit 4.1(b) to the Company's Registration Statement on
           Form S-8 (File No. 333-22169) and incorporated herein by reference).

3.2      - By-Laws, as amended and restated, of the Company (filed as Exhibit
           3.2 to the Annual Report on Form 10-K for the fiscal year ended
           September 30, 1996 and incorporated herein by reference).

10.1*   -  1997 Incentive Stock Option Plan of the Company (filed as Exhibit
           10.1 to the Quarterly Report on Form 10-Q for the fiscal quarter
           ended March 29, 1997 and incorporated herein by reference).

10.2*    - 1987 Incentive Stock Option Plan of the Company, as amended (filed as
           Exhibit 10.2 to the Annual Report on Form 10-K for the fiscal year
           ended September 30, 1996 and incorporated herein by reference).

10.3     - Lease dated May 22, 1987 by and between the Company and the Trustees
           of 128 Technology Trust (filed as Exhibit 10.4 to the Company's
           Registration Statement on Form S-1 (File No. 33-31620) and
           incorporated herein by reference).

10.4*    - Employment Letter with Steven C. Walske dated October 17, 1986 (filed
           as Exhibit 10.12 to the Company's Registration Statement on Form S-1
           (File No. 33-31620) and incorporated herein by reference).

10.5*    - Amended and Restated Severance Agreement with Steven C. Walske dated
           February 13, 1997 (filed as Exhibit 10.2 to the Quarterly Report on
           Form 10-Q for the fiscal quarter ended March 29, 1997 and
           incorporated herein by reference).

10.6     - Lease Amendment dated November 8, 1989 by and between the Company and
           the Trustees of 128 Technology Trust (filed as Exhibit 10.8 to the
           Annual Report on Form 10-K for the fiscal year ended September 30,
           1996 and incorporated herein by reference).

10.7     - Lease Amendment dated January 21, 1991 by and between the Company and
           the Trustees of 128 Technology Trust; filed herewith.

10.8*    - Parametric Technology Corporation 1992 Director Stock Option Plan, as
           amended (filed as Exhibit 10.10 to the Annual Report on Form 10-K for
           the fiscal year ended September 30, 1996 and incorporated herein by
           reference).

10.9     - Lease Amendment dated March 6, 1992 by and between the Company and
           the Trustees of 128 Technology Trust (filed as Exhibit 10.18 to the
           Annual Report on Form 10-K for the fiscal year ended September 30,
           1992 and incorporated herein by reference).

- ----------
*Identifies a management contract or compensatory plan or arrangement in which
an executive officer or director of the Company participates.

                                      10
<PAGE>
 
10.10  - Lease Amendment dated November 18, 1992 by and between the Company and
         the Trustees of 128 Technology Trust (filed as Exhibit 10.19 to the
         Annual Report on Form 10-K for the fiscal year ended September 30, 1992
         and incorporated herein by reference).
       
10.11  - Lease Amendment dated June 8, 1993 by and between the Company and the
         Trustees of 128 Technology Trust (filed as Exhibit 10.21 to the Annual
         Report on Form 10-K for the fiscal year ended September 30, 1993 and
         incorporated herein by reference).

10.12* - Severance Agreement with Michael E. McGuinness dated May 15, 1997
         (filed as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the
         fiscal quarter ended June 28, 1997 and incorporated herein by
         reference).

10.13* - Amended and Restated Severance Agreement with C. Richard Harrison dated
         February 13, 1997 (filed as Exhibit 10.3 to the Quarterly Report on
         Form 10-Q for the fiscal quarter ended March 29, 1997 and incorporated
         herein by reference).

10.14  - Lease Amendment dated April 14, 1994 by and between the Company and the
         Trustees of 128 Technology Trust (filed as Exhibit 10.22 to the Annual
         Report on Form 10-K for the fiscal year ended September 30, 1994 and
         incorporated herein by reference).

10.15  - Lease Amendment dated January 19, 1995 by and between the Company and
         the Trustees of 128 Technology Trust (filed as Exhibit 10.23 to the
         Annual Report on Form 10-K for the fiscal year ended September 30, 1995
         and incorporated herein by reference).

10.16* - Amended and Restated Severance Agreement with Edwin J. Gillis dated
         February 13, 1997 (filed as Exhibit 10.4 to the Quarterly Report on
         Form 10-Q for the fiscal quarter ended March 29, 1997 and incorporated
         herein by reference).

10.17* - Parametric Technology Corporation 1996 Directors Stock Option Plan, as
         amended (filed as Exhibit 10.20 to the Annual Report on Form 10-K for
         the fiscal year ended September 30, 1996 and incorporated herein by
         reference).

10.18* - Severance agreement with John D. McMahon dated May 15, 1997 (filed as
         Exhibit 10.2 to the Quarterly Report on Form 10-Q for the fiscal
         quarter ended June 28, 1997 and incorporated herein by reference).

10.19* - Consulting Agreement with Michael E. Porter dated November 17, 1995,
         and Amendment #1 thereto dated May 15, 1997 (filed as Exhibits 10.3 and
         10.4, respectively, to the Quarterly Report on Form 10-Q for the fiscal
         quarter ended June 28, 1997 and incorporated herein by reference).

10.20* - Employment Agreement with Michael E. McGuinness dated November 17,
         1997; filed herewith.

13.1   - Annual Report to Stockholders for the fiscal year ended September 30,
         1997 (which is not deemed to be "filed" except to the extent that
         portions thereof are expressly incorporated by reference in this Annual
         Report on Form 10-K); filed herewith.

16.1   - Letter from Price Waterhouse LLP (filed as Exhibit 16.1 to the Current
         Report on Form 8-K dated November 17, 1995 and incorporated herein by
         reference).

21.1   - Subsidiaries of the Company; filed herewith.

23.1   - Report of Coopers & Lybrand L.L.P.; filed herewith.

23.2   - Consent of Coopers & Lybrand L.L.P.; filed herewith.
- ----------
* Identifies a management contract or compensatory plan or arrangement in which
  an executive officer or director of the Company participates.

                                      11
<PAGE>
 
23.3  - Report of Price Waterhouse LLP; filed herewith.

23.4  - Report of Price Waterhouse LLP on Financial Statement Schedules; filed
        herewith.

23.5  - Consent of Price Waterhouse LLP; filed herewith.
- ----------
* Identifies a management contract or compensatory plan or arrangement in which
  an executive officer or director of the Company participates.





                                      12

<PAGE>
 
                                                                     SCHEDULE II
                        PARAMETRIC TECHNOLOGY CORPORATION
                        Valuation and Qualifying Accounts

<TABLE> 
<CAPTION> 
(in thousands)
- ---------------------------------------------------------------------------------------------------------------------------------

- ---------------------------------------------------------------------------------------------------------------------------------
                        Column A                Column B                    Column C               Column D          Column E
- ---------------------------------------------------------------------------------------------------------------------------------

                                                                           Additions
                                                                -----------------------------
                                                 Balance         Charged to                                          Balance
                                              at beginning        costs and     Charged to                            at end
Description                                     of period         expenses     other accounts   Deductions (1)      of period
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                            <C>                 <C>          <C>               <C>                <C> 
Year Ended September 30, 1997
Allowance for Doubtful Accounts. . . . . .           $2,910             1,224       -                   (1,385)           $2,749

Year Ended September 30, 1996
Allowance for Doubtful Accounts. . . . . .           $2,733             1,404       -                   (1,227)           $2,910

Year Ended September 30, 1995
Allowance for Doubtful Accounts. . . . . .           $2,694             1,110       -                   (1,071)           $2,733

</TABLE> 



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

(1) Uncollectible accounts written off, net of recoveries.




                                       13

<PAGE>
 
                                                                    Exhibit 10.7

                                                                January 21, 1991

                              128 TECHNOLOGY CENTER
                                  OFFICE LEASE
                        PARAMETRIC TECHNOLOGY CORPORATION
                                 AMENDMENT NO. 4
                                 ---------------

Reference is made to the Lease dated June 1, 1987 and subsequently amended March
10, 1988, November 9, 1988 and November 8, 1989 collectively (the "Lease") by
and between DOMINIC J. SARACENO, KURT W. SARACENO, and EDWARD R. WERNER,
trustees of the 128 Technology Trust under a Declaration of Trust dated October
12, 1983, recorded in Middlesex County Registry of Deeds Southern District Book
15268 Page 65 (hereinafter "Lessor", which expression shall include its heirs,
executors, successors and assigns where the context so admits), and Parametric
Technology Corporation, a Massachusetts corporation having principal place of
business at 128 Technology Drive Waltham, Massachusetts 02154 (hereinafter
"Lessee", which expression shall include its successors and assigns or executors
and administrators where the context so admits). Terms defined in or by
reference in the Lease not otherwise defined herein shall have the same meaning
herein as therein.

For a good and valuable consideration, the receipt and legal sufficiency of
which is hereby acknowledged, Lessor and Lessee hereby agree to amend the Lease
as follows:

1. ARTICLE I, REFERENCE DATA, is hereby amended as follows:
              --------------

      . NEW RENTABLE         10,511 additional rentable square feet as
        AREA ("AREA IV")     shown on Exhibit A attached hereto.
                          
      . TOTAL RENTABLE    
        AREA:                50,624 rentable square feet
                          
      . BASE RENT FOR     
        TOTAL RENTABLE       $20.25/square foot (including tax and operating
        AREA:                expense base).
                          
      . TAX AND OPERATING    $8.05/square foot on the total rentable
        EXPENSE BASE:        area
                          
      . RENT COMMENCEMENT:   February 1, 1991

      . TERMINATION FOR
        TOTAL RENTABLE
        AREA:                December 31, 1993

      . RENT SCHEDULE:       $1,025,136.00  YEAR
                             $   85,428.00  MONTH
<PAGE>
 

      . TENANT
        IMPROVEMENTS:        To be paid by Lessee

      . OPTIONS FOR
        ADDITIONAL SPACE:

            1st Option:         Available under the following terms and
                                conditions with written notice no later then
                                March 31, 1991:

                                Area:            Approximately  10,000
                                                 rentable square feet

                                Building:        125 Technology Drive

                                Floor:           First Floor

                                Rental Rate:     $20.25/rentable square
                                                 foot

                                Term:            Additional six (6) months on
                                                 the total rentable area

                                Lease
                                Termination:     June 30, 1994 on total rentable
                                                 area if 1st option is exercised

                                Availability:    No later then September 1, 1991

                                Rent
                                Commencement:    Between June 1, 1991 and
                                                 September 1, 1991, depending on
                                                 availability

                                Tenant
                                Improvements:    To be paid by Lessee

            2nd Option:         Available under the following terms and
                                conditions with written notice no later then
                                February 1, 1992.
 
                                Area:            Approximately 10,000     
                                                 rentable square feet     
                                                 
                                Building:        125 Technology Drive     
                                                 
                                Floor:           First Floor              
                                                 
                                Rental Rate:     $22.00/rentable square   
                                                 foot for 2nd option space 


<PAGE>
 

                                 Term:             Additional six (6) months on
                                                   the total rentable area

                                 Lease             
                                 Termination:      June 30, 1994 if 1st option
                                                   is not exercised, December
                                                   31, 1994 if 1st and second
                                                   options are exercised
                                                   
                                 Availability:     Between June 1, 1992 and
                                                   August 31, 1992

                                 Rent          
                                 Commencement:     Upon Availability 
                                                                         
                                 Tenant                                  
                                 Improvements:     To be paid by Lessee  
                                                   (see below)           



            3rd Option:          Available under the following terms and
                                 conditions with written notice no later then
                                 December 31, 1992 under the following terms
                                 and conditions:

                                 Area:             Approximately 10,000
                                                   rentable square feet

                                 Building:         125 Technology Drive

                                 Rental Rate:      $22.00/s.f. for 3rd option
                                                   area

                                 Term:             Additional six (6) months on
                                                   entire space, but in no event
                                                   shall Lessee be able to
                                                   exercise this option unless
                                                   the remaining term for the
                                                   total rentable area is
                                                   greater then eighteen (18)
                                                   months

                                 Lease
                                 Termination:      June 30, 1994 if neither 1st
                                                   nor 2nd options are
                                                   exercised. December 31, 1994
                                                   if only 1st or 2nd option is
                                                   exercised. June 30, 1995 if
                                                   all three options are
                                                   exercised.

                                 Availability:     Between June 1, 1993 and
                                                   August 31, 1993



<PAGE>
 

            Rent
            Commencement:     Between June 1, 1993 and August 1, 1993, 
                              depending upon Availability

            Tenant
            Improvements:     To be paid by Lessee
                              (see below)



Tenant improvements on all option space will be paid by Lessee.

Kurt Saracen has demonstrated what a sample build out would cost (see plans,
quantities and unit costs attached hereto as Exhibit "B"). Kurt Saracen will
guarantee its construction costs on a per unit basis not to exceed those costs
as represented in this estimate. Such guarantee to last for one year.
Total actual costs for construction to be determined by final construction plans
as approved by Parametric.

If Lessee elects to build out space as shown in Exhibit B, the maximum tenant
improvement cost shall be $35,760.00 for the first floor north pod, $65,730.00
for the first floor south pod and $25,670.00 for the second floor pod subject to
reasonable unit cost increases after the one year guarantee.

In all other respects, the terms and provisions of the Lease and subsequent
amendments are hereby ratified and confirmed and remain in full force and effect
and unamended.

Lessee acknowledges and agrees that this Amendment shall not be binding upon
either party until an original of this Amendment has been executed by both
parties.

Executed as a sealed instrument the 21st day of January, 1991.

                                    LESSOR    128    TECHNOLOGY TRUST


                                    /S/ Dominic J. Saraceno
                                    -------------------------------------------
                                    Dominic J. Saraceno, as Trustee aforesaid



                                    /S/ Kurt W. Saraceno
                                    -------------------------------------------
                                    Kurt W. Saraceno, as Trustee aforesaid



                                    /S/ Edward R. Werner
                                    -------------------------------------------
                                    Edward R. Werner, as Trustee aforesaid



                                    LESSEE    PARAMETRIC TECHNOLOGY CORPORATION



                                    By  /S/ Steven C. Walske
                                        ---------------------------------------


<PAGE>
 
                                    EXHIBIT A


                                   FLOOR PLANS

<PAGE>
 
<TABLE> 
<CAPTION> 
                          EXHIBIT B
<S>             <C>                                <C> 
Floor 1                                       
- -------          Demo - 288'                             2,880
                 Dumpster                                1,800
                 New Part 545                           27,250
                 Doors - 22                             14,300
                 Ceiling Work                            4,000
SOUTH            Vinyl                                   2,000
POD              HVAC                                    2,000
                 Louver Drapes                           1,500
                 Sprinkler                               1,000
                 Outlets - 50                            4,500
                 Switch - 25                             2,000
                 Lights Relocated - 50                   2,500
                                                        ------
                                                       $65,730
                                                  
                 Dumpster                                1,200
                 Demo - 100'                             1,000
                 New Part 310                           15,500
                 Doors - 14                              9,100
                 Ceiling Work                            1,000
NORTH            Vinyl                                   1,000
POD              HVAC                                      500
                 Louver Drapes                             500
                 Sprinkler                                 500
                 Outlets - 30                            2,700
                 Switches - 14                           1,120
                 New Lights - 4                            640
                 Relocate Lights - 20                    1,000
                                                         -----
                                                       $35,760
Floor 2                                           
- -------          HVAC                                    1,000
                 Demo - 100'                             1,000
                 Dumpster                                1,200
                 New Part - 160'                         8,000
                 Doors - 9                               5,850
                 Ceiling Work                            1,000
                 Outlets   - 12                          1,080
                 Switches                                  960
                 Lights Reconnect - 12                     600
                 New Lights - 3                            480
                 Vinyl                                   2,000
                 Sprinkler                               2,000
                 Louver Drapes                             500
                                                           ---
                                                       $25,670

</TABLE> 


<PAGE>
 

                                                                   EXHIBIT 10.20


                   CONFIDENTIAL AGREEMENT AND GENERAL RELEASE
                   ------------------------------------------

         This Confidential Agreement and General Release ("Agreement") is
entered into by and between Parametric Technology Corporation (the "Company"), a
Massachusetts corporation with its principal place of business at 128 Technology
Drive, Waltham, Massachusetts, 02154, and Michael E. McGuinness (the
"Employee"), residing at 32 Sears Road, Southboro, MA 01772.

         PLEASE READ THIS AGREEMENT AND CAREFULLY CONSIDER ALL OF ITS PROVISIONS
         BEFORE SIGNING IT. YOU SHOULD CONSULT AN ATTORNEY OF YOUR CHOICE ABOUT
         THIS AGREEMENT BEFORE YOU SIGN THIS AGREEMENT. THIS AGREEMENT CONTAINS
         A RELEASE OF ALL KNOWN AND UNKNOWN CLAIMS.

                                    RECITALS

         WHEREAS, the Employee has resigned his position as Executive Vice
President of Research and Development and Product Marketing of the Company,
effective as of the close of business on November 12,1997; and

         WHEREAS, the Company desires to continue to employ the Employee in the
position of Senior Sales Consultant, under the terms and conditions set forth
below, effective immediately following the Employee's resignation as Executive
Vice President of Research and Development and Product Marketing of the Company.

         NOW, THEREFORE, in consideration of the foregoing recitals, the mutual
promises and covenants contained herein, and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
Company and the Employee hereby agree as follows:

                                    ARTICLE I
                                   EMPLOYMENT

         The Company hereby agrees to continue to employ the Employee to serve
the Company in the position of Senior Sales Consultant and to perform such
specific duties as may reasonably be assigned to the Employee from time to time
by the President and Chief Operating Officer of the Company for the period
commencing immediately following the Employee's resignation as Executive Vice
President of Research and Development and Product Marketing of the Company and
terminating on November 30, 1998, unless earlier terminated as provided herein
(the "Employment Period"). The Employee hereby accepts such continued employment
for the Employment Period. The Employee agrees to relinquish and hereby does
relinquish any and all rights to re-instatement as Executive Vice President of
Research and Development and Product Marketing, involvement in any customer
accounts with respect to which the Employee was heretofore involved,
re-assignment to any other position within the Company, and employment beyond
November 30, 1998.

                                   ARTICLE II
                                  COMPENSATION

         For services to be rendered by the Employee to the Company pursuant to
this Agreement and provided this Agreement is signed by the Employee and
returned to the Company, during the Employment Period the Company shall pay to
the Employee the compensation and provide to the Employee the benefits set forth
below:

          (i) Salary: The Company shall pay to the Employee through November
              ------
     30, 1998 a bi-weekly salary of four thousand six hundred fifteen dollars
     and thirty-eight cents ($4,615.38).

         (ii) Expenses: The Company agrees to reimburse the Employee for
              -------- 
     ordinary and necessary business expenses incurred by the Employee on or
     before November 12, 1998, in the performance of his duties as Executive
     Vice President of Research and Development and Product

<PAGE>
 
         Marketing of the Company, provided that the Employee submits receipts
         therefor and otherwise properly accounts for such expenses in
         accordance with the Company's policy and practice.

                (iii) Employee Benefits: In addition to the foregoing payments,
                      -----------------
         (A) the Company shall provide to the Employee benefits under the
         Company's standard benefit plans pursuant to the same terms and
         conditions under which the Company makes such benefits available to
         employees generally, including health insurance, dental insurance, life
         insurance, and short-term and long-term disability coverage, and (B)
         the Employee shall remain eligible to participate in the Company's
         401(k) Savings Plan, 1991 Employee Stock Purchase Plan and the 1987
         Incentive Stock Option Plan, 1997 Incentive Stock Option Plan and 1997
         Nonstatutory Stock Option Plan (collectively, the "Option Plans")
         subject to the terms and conditions of the respective plans.

                                  ARTICLE III
                                  TERMINATION

           3.1 For Cause. The Employee may be terminated from his employment by
               ---------
  the Company only for "Cause." "Cause" shall mean, for purposes of this
  Agreement, (i) willful conduct or gross negligence by the Employee which is
  demonstrably and materially injurious to the Company, (ii) the Employee's
  violation of Articles V and VI hereof, (iii) the Employee's commencement of
  full-time employment with another company, (iv) commission of any act of
  dishonesty, fraud, misrepresentation or other act of moral turpitude, (v)
  commission of any act tending to, or which is reasonably likely to, reflect
  negatively on the image or reputation of the Company, its subsidiaries or
  affiliates, and/or (vi) violation of any of the Company's policies. The
  Employee and the Company hereby agree that the provisions of this Section 3.1
  shall supersede and preempt Section I and Section 4(a) of that certain
  agreement dated May 15, 1997, by and between the Company and the Employee (the
  "May, 1997 Agreement").

         3.2 Without Cause. The Employee may terminate his employment by the
             -------------
  Company without cause by providing to the Company fourteen days' prior written
  notice of such termination.

          3.3 Death. In the event of the death of the Employee during the term
              -----
  hereof, the Employee's employment shall automatically terminate as of the
  date of his death.

                                   ARTICLE IV
                              EFFECT OF TERMINATION

         4.1 For Cause. Upon termination of the Employee's employment for Cause,
             ---------
the Employee's salary and benefits specified in Article II shall cease at the
time of such termination, provided that the Company shall pay to the Employee,
within fifteen (15) days after the date of such termination, all amounts accrued
under clause (i) of Article II as of the date of such termination. Each vested
stock option under the Option Plans that is held by the Employee on the date of
termination of the Employee's employment, to the extent not previously exercised
at the date of such termination, shall expire to the extent not exercised within
ten (10) days after the date of such termination. All non-vested stock options
shall terminate on the date of such termination. The Employee and the Company
hereby agree that the provisions of this Section 4.1 shall supersede and preempt
Section 2 of the May, 1997 Agreement.

         4.2 Without Cause. In the event that the Employee terminates his
             -------------
employment with the Company without Cause, the Employee's salary and benefits
specified in Article II shall cease on the date of termination of Employee's
employment, provided that the Company shall pay to the Employee, within fifteen
(15) days after the date of such termination, all amounts accrued under clause
(i) of Article II as of the date of such termination. Each vested stock option
under the Option Plans that is held by the Employee on the date of termination
of the Employee's employment, to the extent not previously exercised at the date
of such termination, shall expire to the extent not exercised within ten (10)
days after the date of such termination. All non-vested stock options shall
terminate on the date of such termination.
<PAGE>
 
         4.3 Death. Upon termination of the Employee's employment due to the
             -----
Employee's death, the Employee's salary and benefits specified in Article II
shall cease at the time of such termination, provided that the Company shall pay
to the Employee's estate, within fifteen (15) days after the date of such
termination, all amounts then accrued under Article II, clause (i) hereof. Each
vested stock option under the Option Plans then held by the Employee, to the
extent not previously exercised at the date of such termination, may be
exercised at any time within one year after that date (unless terminated earlier
by its terms) by the Employee's estate or by the person(s) to whom the
Employee's option rights pass by will or by the applicable laws of descent and
distribution. All non-vested stock options shall terminate on the date of such
termination.

        4.4 Expiration of Employment Period. Upon expiration of the Employment
            -------------------------------
Period on November 30, 1998, the Employee's salary and benefits specified in
Article II shall cease, provided that the Company shall pay to the Employee,
within fifteen (15) days after the date of such expiration, all amounts accrued
under clause (i) of Article II as of the date of such expiration. Each vested
stock option under the Option Plans that is held by the Employee on the date of
expiration of the Employment Period, to the extent not previously exercised as
of the date of expiration of the Employment Period, shall expire to the extent
not exercised within ten (10) days after the date of expiration of the
Employment Period. All non-vested stock options shall terminate on the date of
expiration of the Employment Period.

                                    ARTICLE V
              NONCOMPETITION AND COMPLIANCE WITH EXISTING AGREEMENT

         The Employee agrees to be bound by all of the terms and conditions
contained in that certain Agreement signed by Employee on or about September 28,
1987, by and between the Company and the Employee (the "1987 Agreement"), which
is attached hereto as Exhibit A and incorporated herein by reference. In
addition, in consideration for the payments and other compensation set forth in
Article II of this Agreement, the Employee agrees that he shall be bound by the
obligations of paragraph 6 of the 1987 Agreement until the later of November 30,
1999 or one year following the termination of his employment with the Company.

                                   ARTICLE VI
                              ADDITIONAL AGREEMENTS

         6.1 Confidentiality; No Disparagement. During the Employment Period and
             ---------------------------------
thereafter, the Employee agrees (i) unless otherwise required by law, to keep
the terms and conditions of this Agreement and any matters arising out of or
relating to the Employee's resignation as Executive Vice President of Research
and Development and Product Marketing of the Company and subsequent termination
of employment from the Company strictly confidential and (ii) to refrain from
making any disparaging remarks about the Company, its officers, employees,
customers, business partners or products. The provisions of this Section 6.1
shall survive the termination or expiration of this Agreement.

         6.2 Return of Company Property. The Employee will return to the Company
             --------------------------
any computer equipment and computer programs or other tangible embodiment of any
Company information and any other property of the Company (i.e. credit cards,
etc.) upon demand. The Employee assures that he has either not made any copies
of such information or has destroyed all copies previously made and that he will
not in the future make copies.

                                  ARTICLE VII
                            SUCCESSORS AND ASSIGNS

          7.1 Assignment. This Agreement is personal to the Employee and shall
              ----------
     not be assignable by the Employee.

          7.2 Binding Effect. This Agreement shall inure to the benefit of and
              --------------
     be binding upon the Company and its successors and assigns.
<PAGE>
 
                                  ARTICLE VIII
                               RELEASE AND WAIVER

         As a material inducement to the Company to enter into this Agreement,
except for the performance by the Company of this Agreement and except for any
rights the Employee may have through status as a shareholder of the Company or
any right that the Employee has to benefits under any company employee benefit
plan in accordance with the Employee Retirement Income Security Act, the
Employee does hereby, for himself and his heirs, successors, assigns and
relatives by blood or marriage, forever release the Company and each of the past
and present officers, directors, employees, agents, representatives, attorneys,
insurers, related entities, assigns, successors and predecessors of the Company,
and all persons acting by, through, under or in concert with any of them
[collectively the "RELEASEES"], from any and all charges, complaints, claims,
liabilities, obligations, promises, agreements, controversies, damages, actions,
causes of action, suits, rights, demands, costs, losses, debts and expenses
(including back wages, attorney's fees and costs actually incurred) of any
nature whatsoever, known or unknown, suspected or unsuspected, including but not
limited to, rights arising out of alleged violations of any contract, express or
implied (including but not limited to any contract of employment, partnership,
independent contractor, fiduciary, special or confidential relationship); any
covenant of good faith and fair dealing (express or implied); any tort including
fraud and deceit, negligent misrepresentation, promise without intent to
perform, conversion, breach of fiduciary duty, defamation, libel, slander,
invasion of privacy, negligence, intentional or negligent infliction of
emotional distress, malicious prosecution, abuse of process, intentional or
negligent interference with prospective economic advantage, and conspiracy; any
"wrongful discharge" and "constructive discharge" claims; any claims relating
to any breach of public policy; any legal restrictions on the Company's right to
terminate employees; or any federal, state or other governmental statute,
regulation or ordinance, including without limitation: (1) the National Labor
Relations Act, 29 U.S.C. (S) 151, et seq.; (2) the Fair Labor Standards Act, 29
                                  -------
U.S.C. (S)201, et seq.; (3) the Employee Retirement Income Security Act of 1974,
               -------

29 U.S.C. (S) 1001 et seq.; (4) the Civil Rights Act of 1964, 42 U.S.C. (S)2000e
                   -------
et seq.; (5) the Civil Rights Act of 1866, 42 U.S.C. (S) 1981 et seq.; (6) the
- -------                                                       -------
Rehabilitation Act of 1973, 29 U.S.C. (S) 701 et seq.; (7) the Equal Pay Act of
                                              -------
1963, 29 U.S.C. (S)206(d); (8) the Civil Rights Act of 1991, Pub. L. No.
102-166; (9) the Americans With Disabilities Act, 42 U.S.C. (S) 12 101 et seq.;
                                                                       -------
(10) the Age Discrimination in Employment Act of 1967, 29 U.S.C. (S)621, et
                                                                         --
seq.; (11) the Occupational Safety and Health Act of 1970, 29 U.S.C. (S)651 et
- ----                                                                        --
seq.; (12) the Consolidated Omnibus Budget Reconciliation Act of 1985, I.R.C.
- ----
(S)4980B; (13) the Family and Medical Leave Act of 1993, 29 U.S.C. (S)2601 et
                                                                           --
seq.; (14) the Massachusetts Wage and Hour Laws, G.L. c.151; (15) the
- ----
Massachusetts Law Against Discrimination, G.L. c.151B; (16) the Massachusetts
Civil Rights Act, G.L. c.93; (17) the Massachusetts Privacy Statute, G.L. c.214,
(S) 1B; (18) the Massachusetts Wage Payment Statute, G.L. c.149, (S) 148 et
                                                                         --
seq.; (19) G.L.c. 214, (S) 1C, which Employee may now have, own, or hold, or
- ----
claims to have, own or hold, or which Employee at any time heretofore had,
owned, or held, or claimed to have, own or hold, or which Employee at any time
hereinafter may have, own or hold, or claim to have, own or hold against each of
any of the Company and other RELEASEES, including without limitation claims,
demands, and causes of action relating to or arising from the Employee's
employment after the date hereof and the termination of such employment
[collectively "CLAIM" or "CLAIMS"]. Notwithstanding the foregoing, however,
nothing in this Release and Waiver shall prohibit Employee from filing any
charge of discrimination with the Equal Employment Opportunity Commission
("EEOC") or from cooperating with the EEOC in any lawful investigation by the
EEOC. In the event any such complaint is filed with the EEOC, Employee shall not
obtain or accept any recovery or relief therefrom.


                                   ARTICLE IX
                          KNOWING AND VOLUNTARY WAIVER

The Employee understands and agrees that there is a risk that each and every
injury which Employee may have allegedly suffered by reason of the Company's
relationship with the Employee might not now be known, and there is a further
risk that said injuries, whether known or unknown at the date of this Agreement,
might possibly
<PAGE>
 
become progressively worse and that as a result thereof further
damages may be sustained by Employee; nevertheless, Employee desires to forever
and fully release and discharge the Company and other RELEASEES and understands
that by the execution of this Agreement no further claims for any such injuries
may ever be asserted by the Employee. The Employee warrants that he is not aware
of any such circumstances now. Thus for the purpose of implementing a full and
complete release and discharge of the Company and other RELEASEES, Employee
expressly acknowledges that, except as to the performance of this Agreement,
this Agreement is intended to include in its effect, without limitation, all
claims which the Employee does not know or suspect to exist in his favor against
the Company and other RELEASEES, or any of them, and that this Agreement
contemplates the extinguishment of any such CLAIM or CLAIMS.


                                    ARTICLE X
                                 FULL SETTLEMENT

        The Employee agrees that the payment of the sums and benefits set forth
in Article II hereof is in final and full settlement of alleged acts, omissions
or other matters between the Employee and the Company and other RELEASEES,
including but not limited to, all claims for wages, stock, stock options, other
compensation, damages of any nature whatsoever, attorneys' fees and costs.


                                   ARTICLE XI
                                  MISCELLANEOUS

         11.1 Non-Admission of Liability. This Agreement shall not in any way be
              ---------------------------
construed as an admission by the Company or by the Employee that they have acted
wrongfully with respect to each other or any other person, or that they have any
rights whatsoever against each other. The Company specifically disclaims any
liability to or wrongful acts against the Employee or any other person, on the
part of themselves, their agents or their employees, past and present. The
Employee specifically disclaims any liability to or wrongful acts against the
Company or any other person.

         11.2 No Representations. The Employee represents and acknowledges that
              -------------------
in executing this Agreement the Employee does not rely and has not relied upon
any representation or statement not set forth herein made by the Company or any
of the other RELEASEES or by the Company's or any of the other RELEASEES agents,
representatives, or attorneys with regard to the subject matter, basis or effect
of the Agreement or otherwise. The Company represents and acknowledges that in
executing this Agreement it did not rely and has not relied upon any
representation or statement made bv the Employee with regard to the subject
matter, basis or effect of this Agreement.

         11.3 No Assignment of Claims. The Employee represents and warrants that
              ------------------------
the Employee has not heretofore assigned or otherwise transferred or subrogated
or purported to assign, transfer or subrogate, to any person or entity, any
CLAIM or portion thereof, or interest therein the Employee may have against the
Company, and the other RELEASEES, or any of them, and the Employee agrees to
indemnify, defend and hold the Company and the other RELEASEES harmless from and
against any and all liability, loss, damages, claims, costs, expenses or
attorney's fees incurred by the Company and the other RELEASEES as the result of
any person or entity asserting any such right, assignment, transfer or
subrogation.

         11.4 Governing Law. This Agreement and any and all litigation that may
              --------------
arise as a result of, based upon, or in connection with this Agreement shall be
brought before a court in Boston, Massachusetts and be governed by and construed
in accordance with the laws of The Commonwealth of Massachusetts, without
reference to principles of conflict of laws.

         11.5 Review of Agreement. The Employee agrees and acknowledges that he
              --------------------
has had the opportunity to consult with legal counsel of his own choice in order
to negotiate this Agreement, and that the Employee has 
<PAGE>
 
signed it of his own free will. To the extent any part of this Agreement is
deemed to be ambiguous, it shall not be interpreted against either party.

          11.6 Amendment. This Agreement may not be amended or modified
               ----------
otherwise than by a written agreement executed by the parties hereto or their
respective successors and legal representatives.

          11.7 Counterparts. This Agreement may be executed in one or more
               -------------
counterparts, any one of which shall be deemed to be the original even if
the others are not produced.

          11.8 Further Acts. The Employee and the Company, without further
               -------------
consideration, shall execute and deliver such other documents and take such
other action as may be necessary to achieve the objective of this Agreement.

          11.9 Notices. All notices hereunder shall be in writing and shall be
               --------
delivered by hand delivery, by a reputable overnight courier service, or by
registered or certified mail, return receipt requested, postage prepaid, to the
parties at their respective addresses set forth above or at such other address
as either party shall have furnished to the other in writing in accordance
herewith. Any notice shall be deemed to be delivered upon the date of hand
delivery, one day following delivery to such overnight courier service, or three
days following mailing by registered or certified mail.

          11.10 Captions. Captions herein have been inserted solely for
                ---------
convenience of reference and in no way define, limit or describe the scope or
substance of any provision of this Agreement.

          11.11 Severability. In case any provision hereof shall, for any
                -------------
reason, be held to be invalid or unenforceable in any respect, such invalidity
or unenforceability shall not effect any other provision hereof, and the parties
agree to substitute for such invalid or unenforceable provision a valid and
enforceable provision which most clearly approximates the interest and economic
effect of such invalid or unenforceable provision.

          11.12 Entire Agreement. This Agreement, together with the 1987
                -----------------
Agreement and the May, 1997 Agreement (as amended herein), constitutes the
entire understanding and agreement between the parties hereto with regard to the
subject matter hereof, and fully supersedes all prior understandings and
agreements, whether oral or written.

           [The remainder of this page is left intentionally blank.]
<PAGE>
 
IN WITNESS WHEREOF, this Agreement has been signed as of the date set forth
below.


                                PARAMETRIC TECHNOLOGY CORPORATION



                                By:      /S/ Carl F. Ockerbloom
                                     ----------------------------------
                                Name:    Carl F. Ockerbloom
                                     ----------------------------------
                                Title:    VP HUMAN RESOURCES
                                     ----------------------------------
                                Dale:    11/19/97
                                     ----------------------------------


                                THE EMPLOYEE


                                  /S/ Michael E. McGuinness
                                 ----------------------------------
                                Michael E. McGuinness
                                Date:    11/17/97
                                     ----------------------------------
<PAGE>
 
                                   EXHIBIT A

In consideration of my employment by Parametric Technology Corporation 
(hereinafter referred to as "EMPLOYER"), I hereby agree as follows:

1.   I understand that my employment relationship with EMPLOYER is one whereby I
     will be exposed to confidential information and data, trade secrets, both
     tangible and intangible, confidential customer information and customer-
     related materials, know-how and related materials, all of which are unique,
     owned by and valuable to EMPLOYER.

2.   I will not disclose at any time during my employment or thereafter directly
     or indirectly, to any third party or parties any information or knowledge 
     which I may acquire with respect to inventions, designs, methods, systems,
     improvements, trade secrets or other private or confidential matters of
     EMPLOYER without prior written approval of EMPLOYER, provided, however,
     that none of the foregoing shall prevent me from using or disclosing
     information of knowledge which is then generally known to and available
     within the industry automation business.

3.   I agree that all data, including drawings, prints, specifications, designs,
     notes, records, documents, reproductions and other information either
     furnished by EMPLOYER to me or prepared by me in connection with my
     employment are the sole property of EMPLOYER and I will turn over same to
     EMPLOYER upon request and in any event upon my termination of employment
     with EMPLOYER.

4.   I agree that all inventions and improvements or discoveries made by or 
     conceived by me alone or in conjunction with others during the term of my
     employment relating to products or services or EMPLOYER shall belong to
     EMPLOYER, and I will promptly communicate and disclose to EMPLOYER all such
     inventions, improvements or discoveries.

5.   I will execute all papers and documents as requested by EMPLOYER to apply 
     for UNITED STATES and foreign patents and copyrights relating to any such
     inventions, improvements, or discoveries in my name or EMPLOYER'S name, as
     the case may be, and to vest title to such patents of copyrights in
     EMPLOYER, or its nominee, at EMPLOYER'S expense. I also agree, if requested
     by EMPLOYER, to give testimony in the event of contested proceedings
     involving patent application or patents maturing therefrom upon reasonable
     reimbursement for time so expended.

6.   I agree that the obligations imposed herein upon me shall survive the 
     termination of my employment, and further agree that for a period of one
     (1) year after I leave the employment of EMPLOYER, I shall not either
     directly or indirectly:

     (i)    Make known to any person, firm or corporation the names and
            addresses of any of the customers of EMPLOYER or any other
            information pertaining to them.

     (ii)   Take away any of the customers of EMPLOYER on whom I called, or with
            whom I dealt or became acquainted during my employment with
            EMPLOYER, either for myself or for any other person, firm or
            corporation.

     (iii)  Accept a position with, or otherwise become affiliated with any 
            other person, firm or corporation for the purpose of competing with
            EMPLOYER'S business. I understand that this provision not to work
            for any of EMPLOYER'S competitors is necessary to protect its trade
            secrets, proprietary information, confidential information, and
            know-how by my avoiding such employment situations which would
            inherently create a risk of fraud with the potentiality of
            intentional and unintentional revelations of the above-mentioned
            information belonging to the EMPLOYER.
<PAGE>
 
     (iv)   Interfere with the business of EMPLOYER in any manner including 
            recruiting or hiring of employee of EMPLOYER or ex-employee whose
            employment with EMPLOYER was terminated less than one (1) year prior
            to the date of such interference.

7.   It is understood that either party may terminate the employment 
     relationship at any time upon not less than fourteen (14) days notice
     unless the termination is for cause, in which event only three (3) days
     notice shall be required.

8.   This Agreement shall be binding upon the parties, their heirs, executors, 
     administrators, legal representatives, successors and assigns.

9.   It is agreed that this Agreement shall have the effect of a sealed 
     instrument and shall be governed and construed in accordance with the laws
     of the Commonwealth of Massachusetts.

10.  I recognize that any violation by me of the provisions of the Agreement 
     would cause EMPLOYER irreparable damage for which other remedies would be
     inadequate, and I therefore agree that EMPLOYER shall have the right to
     obtain, in addition to all other remedies, such injunctive and other
     equitable relief from a court of competent jurisdiction as may be necessary
     or appropriate to prevent any violation of this Agreement.

11.  All headings and subdivision of this Agreement are for reference only and 
     shall not affect its interpretation. In the event that any provision of
     this Agreement should be held unenforceable by a court of competent
     jurisdiction, all remaining provisions shall continue in full force without
     being impaired or invalidated in any way.

IN WITNESS WHEREOF, the parties have hereunto affixed their hands and seals this
28th day of September, 1987.

                                        /s/ Michael E. McGuinness
                                        ----------------------------------
                                        Employee Signature


                                        Parametric Technology Corporation

                                        /s/ Steven C. Walske
                                        ----------------------------------
                                        By: 

<PAGE>
 

                                                                    EXHIBIT 13.1


                                PARAMETRIC TECH
- --------------------------------------------------------------------------------


Management's Discussion and Analysis 
- ------------------------------------
of Financial Condition and Results of Operations


Parametric Technology Corporation is the leading supplier of software tools used
to automate the mechanical development of a product from its conceptual design
through production.

     Any forward-looking statements, including projections about growth and the
Company's business, are based on certain assumptions made by management.
Important information about the basis for those assumptions and factors that may
cause actual results to differ materially from those projected is contained in
"Proposed Acquisition" and "Important Factors Regarding Future Results."


Proposed Acquisition

On November 4, 1997, the Company announced that it had entered into an agreement
to acquire Computervision Corporation ("Computervision") in a stock-for-stock
transaction. Under the terms of the proposed transaction, each share of
Computervision common stock will be exchanged for .0866 shares of the Company's
common stock and Computervision will become a wholly-owned subsidiary of the
Company. The transaction is intended to be accounted for as a pooling of
interests and to qualify as a tax-free reorganization. Subject to several
conditions, including approval of Computervision's shareholders, the
transaction is expected to close in the second quarter of fiscal 1998. The
discussion and analysis below, except where otherwise noted, do not reflect the
effects of the transaction. As a pooling of interests, upon completion of the
transaction, the historic results of Computervision will be combined with those
of the Company. In addition, the Company expects to recognize a non-recurring
charge of approximately $75,000,000 to $95,000,000 related to certain merger-
related, debt prepayment, consolidation and integration expenses during the
quarter in which the transaction closes. Also, the Company will assume
approximately $240,000,000 in debt from Computervision, and expects to use cash
and short-term investment balances to repay a substantial portion of such debt.


Results of Operations

For the fiscal year ended September 30, 1997, the Company's revenue and net
income increased 35% and 38%, respectively, over the previous fiscal year,
excluding a non-recurring acquisition related charge in fiscal 1996. For the
fiscal year ended September 30, 1996, revenue and net income excluding non-
recurring acquisition related charges increased 52% and 61%, respectively, over
fiscal year 1995. For the fiscal year ended September 30, 1997, net income as a
percentage of revenue was 27% as compared to 26% and 25%, excluding the non-
recurring acquisition related charges, in fiscal 1996 and 1995, respectively.
Operating income as a percentage of revenue was 40% in fiscal 1997 compared to
39% and 38%, excluding the non-recurring acquisition related charges, in fiscal
1996 and 1995, respectively. Net income for fiscal year 1996 excludes a non-
recurring acquisition related charge of $32,119,000 related to the acquisition
of Reflex technology ("Reflex"). Net income for fiscal year 1995 excludes the
non-recurring acquisition related charges of $10,438,000 related to the merger
of Rasna Corporation ("Rasna") into the Company and $19,000,000 related to the
acquisition of the Conceptual Design and Rendering System ("CDRS") software
business. Including the non-recurring acquisition related charges, the Company's
net income as a percentage of revenue was 27%, 23% and 20% in fiscal 1997, 1996
and 1995, respectively.

     The following table sets forth certain consolidated financial data as a
percentage of revenue for the fiscal years ended September 30, 1997, 1996 and
1995.


PARAMETRIC TECHNOLOGY CORPORATION                                             21
<PAGE>
 

Management's Discussion and Analysis of Financial Condition and Results of
Operations


<TABLE>
<CAPTION>
 
                                                Year ended September 30,
- ------------------------------------------------------------------------
                                                 1997     1996     1995
- ------------------------------------------------------------------------
<S>                                             <C>      <C>      <C>
Revenue:                                                        
 License                                         73.2%    74.8%    73.1%
 Service                                         26.8     25.2     26.9
- ------------------------------------------------------------------------
   Total revenue                                100.0    100.0    100.0
- ------------------------------------------------------------------------
Cost of revenue:                                                
 License                                          1.0      0.8      0.8
 Service                                          8.4      8.6      8.4
- ------------------------------------------------------------------------
   Total cost of revenue                          9.4      9.4      9.2
- ------------------------------------------------------------------------
Gross profit                                     90.6     90.6     90.8
Operating expenses:                                             
 Sales and marketing                             38.8     39.8     41.6
 Research and development                         6.6      6.6      6.5
 General and administrative                       4.8      4.8      5.2
 Non-recurring acquisition                                      
  and related costs                                 -      5.3      7.4
- ------------------------------------------------------------------------
   Total operating expenses                      50.2     56.5     60.7
- ------------------------------------------------------------------------
Operating income                                 40.4     34.1     30.1
Other income, net                                 1.3      1.9      2.3
- ------------------------------------------------------------------------
Income before income taxes                       41.7     36.0     32.4
Provision for income taxes                       14.6     13.0     12.8
- ------------------------------------------------------------------------
Net income                                       27.1%    23.0%    19.6%
========================================================================
Excluding acquisition and related costs:                        
 Operating income                                40.4%    39.5%    37.6%
 Net income                                      27.1%    26.4%    25.0%
========================================================================
</TABLE>


Revenue

The Company derives its revenue from the sale and support of software used in
the mechanical segment of the CAD/CAM/CAE (computer-aided design, manufacturing
and engineering) industry. In fiscal 1997, the Company licensed 93% of its
products directly to end-user customers and 7% via third-party distributors as
compared with 91% directly to end-user customers and 9% via third party
distributors in both fiscal 1996 and 1995. The overall revenue growth in fiscal
1997 and 1996 reflects the continued worldwide acceptance of the Company's
products and services and the Company's ongoing investment in expanding its
worldwide direct sales force.

     License and service revenue for fiscal years 1997, 1996 and 1995 were:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------
(dollars in thousands)        1997   Change       1996   Change       1995
- --------------------------------------------------------------------------
<S>                       <C>        <C>      <C>        <C>      <C>
License                   $591,849     32%    $448,699     56%    $288,349
 Percentage                    73%                 75%                73%
  of total                                                      
  revenue                                                       
Service                   $216,947     43%    $151,423     43%    $105,961
 Percentage                    27%                 25%                27%
  of total                                                      
  revenue                                                       
Total revenue             $808,796     35%    $600,122     52%    $394,310
</TABLE>

     The increase in license revenue results from an increase in the number of
seats of software licensed and from a higher price realized per seat. A seat of
software generally consists of various software products configured to serve the
needs of a single end-user. The Company licensed approximately 29,950 seats of
software in fiscal 1997, an increase of 30% from fiscal 1996's 23,000 seats,
which was 45% higher than fiscal 1995's 15,900 seats. The increase in the number
of seats licensed was achieved as a result of continued market penetration of
the Company's products, with strong growth in fiscal 1997 in North America. The
decrease in license revenue growth from 56% to 32% is due in part to the lower
rate of growth of international license revenue. The average price per seat
during fiscal 1997 was approximately $19,800, compared with an average price of
approximately $19,500 in 1996 and $18,100 in 1995. The average price per seat
has increased as a result of customers purchasing configurations of software
seats containing more modules.

     Service revenue is derived from the sale of software maintenance contracts
and the performance of training and consulting services. This revenue increased
during both fiscal 1997 and 1996 as a result of the growth in the Company's
installed customer base and, to a lesser extent, increased training and
consulting services performed for these customers.
 
22
<PAGE>
 


Sales by geographic region for fiscal years 1997, 1996 and 1995 were:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------
(dollars in thousands)        1997   Change       1996   Change       1995
- --------------------------------------------------------------------------
<S>                       <C>        <C>      <C>        <C>      <C>
North America             $370,676     40%    $264,880     34%    $197,839
 Percentage                    46%                 44%                 50%
  of total                                                     
  revenue                                                      
Europe                    $272,125     31%    $207,811     55%    $133,873
 Percentage                    34%                 35%                 34%
  of total                                                     
  revenue                                                      
Asia/Pacific              $165,995     30%    $127,431    104%    $ 62,598
 Percentage                    20%                 21%                 16%
  of total
  revenue
</TABLE>

     The Company derived 54%, 56% and 50% of its revenues from sales to
international customers in fiscal 1997, 1996 and 1995, respectively. Direct
export sales were $127,715,000, $84,537,000 and $45,147,000 in fiscal 1997, 1996
and 1995, respectively. The decrease in the percentage of revenue derived from
international sales from fiscal 1996 to fiscal 1997 is attributable primarily to
the strengthening of the dollar in relation to the yen and the major European
currencies and to weaker revenues in Japan due to internal execution issues. The
Company has taken measures to strengthen its sales and support infrastructure in
Japan and to rebuild capacity in order to re-accelerate revenue growth in this
region, but does not expect Japan's year-over-year revenue growth to contribute
to overall revenue growth until at least the second quarter of fiscal 1998.

     The Company expects that total revenue will increase in fiscal 1998 from
continued penetration in the mechanical CAD/CAM/CAE industry. However, the rate
of continued revenue growth in fiscal 1998 depends upon the Company's ability to
implement recent measures taken to strengthen results in Japan, adequately
manage exposure to foreign currency fluctuations, continue to penetrate the
mechanical segment of the CAD/CAM/CAE industry, attract and retain skilled
personnel, and deliver timely product enhancements. In addition, there can be no
assurance that quarterly revenue growth rates or growth rates for particular
geographic areas will be comparable to those in fiscal 1997. Fiscal 1998
performance could also be affected by the efforts to integrate Computervision's
operations with those of the Company and the success of those integration
efforts.

Cost of Revenue
 
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------
(dollars in thousands)        1997   Change      1996   Change      1995
- ------------------------------------------------------------------------
<S>                        <C>       <C>      <C>       <C>      <C>
Cost of license            $ 8,233     77%    $ 4,642     39%    $ 3,348
 Percentage                     1%                 1%                 1%
  of license                                                   
  revenue                                                      
Cost of service            $68,259     32%    $51,812     57%    $32,970
 Percentage                    31%                34%                31%
  of service
  revenue
</TABLE>

     Cost of license revenue consists of the amortization of capitalized
computer software costs, costs associated with reproducing and distributing
software and documentation, and royalties. The absolute increase in cost of
license revenue is a result of the increase in the number of seats licensed and
the variable costs associated with software media, documentation and royalties
during each of the last three fiscal years. Cost of service revenue includes
costs associated with training and consulting personnel, such as salaries and
related costs and travel, and costs related to software maintenance, including
costs incurred for customer support personnel and the release of maintenance
updates. Absolute increases in cost of service revenue resulted primarily from
growth in the staffing necessary to generate and support increased worldwide
service revenue and provide ongoing quality customer support to its increasing
installed base. As a percentage of revenue, total cost of revenue has remained
constant at 9% over the past three fiscal years.

Operating Expenses
 
<TABLE>
<CAPTION>
- --------------------------------------------------------------------------
(dollars in thousands)        1997   Change       1996   Change       1995
- --------------------------------------------------------------------------
<S>                       <C>        <C>      <C>        <C>      <C>
Sales and
 marketing                $313,785     31%    $238,860     46%    $163,918
 Percentage                    39%                 40%                 42%
  of total                                                      
  revenue                                                       
Research and                                                    
 development              $ 53,236     35%    $ 39,476     54%    $ 25,591
 Percentage                     7%                  7%                  6%
  of total                                                      
  revenue                                                       
General and                                                     
 administrative           $ 38,699     36%    $ 28,557     40%    $ 20,414
 Percentage                     5%                  5%                  5%
  of total
  revenue
Non-recurring
 acquisition and
 related costs                   -            $ 32,119            $ 29,438
</TABLE>


PARAMETRIC TECHNOLOGY CORPORATION                                             23
<PAGE>
 

Management's Discussion and Analysis
- ------------------------------------ 
of Financial Condition and Results of Operations


Sales and Marketing

Sales and marketing expenses primarily include salaries, sales commissions,
travel and facility costs. These expenses also include programs aimed at
increasing revenues, such as advertising, trade shows, and various sales and
promotional seminar programs. While sales and marketing expenses as a percentage
of revenue have declined slightly over the three most recent fiscal years, the
absolute increases in these expenses were due principally to worldwide expansion
of the sales force and sales commissions associated with higher revenue. Total
sales and marketing headcount increased to 2,093 in fiscal 1997 from 1,645 in
fiscal 1996 and 1,098 in fiscal 1995. International sales and marketing expenses
represented 60% of total sales and marketing expenses in fiscal 1997, compared
with 58% in 1996 and 52% in 1995. The Company expects to continue the growth of
its worldwide sales and marketing organization during fiscal 1998, reflecting
the Company's commitment to focus its resources on expanding worldwide
acceptance for its products. The Company's ability to meet this expectation
depends primarily upon its ability to attract and retain highly skilled
technical, managerial and sales personnel.


Research and Development

The Company continued to make investments in research and development,
consisting principally of salaries and benefits, expenses associated with
product translations, costs of computer equipment used in software development
and facility expenses. The Company believes that research and development
expenditures are essential to maintaining its competitive position in the
CAD/CAM/CAE industry and expects the expenditure levels to increase in absolute
dollars in fiscal 1998. Research and development expenses as a percentage of
revenues remained consistent at 6.6% in fiscal 1997 as compared with 6.6% and
6.5% in fiscal 1996 and 1995, respectively.


General and Administrative

General and administrative expenses include the costs of the corporate, finance,
information technology, human resources and administrative functions of the
Company. The absolute increases in these expenses were principally due to the
hiring of additional employees necessary to support the Company's worldwide
growth, and in the information technology area as the Company upgraded its
internal management information systems. As a percentage of revenue, general and
administrative expenses were 4.8% in fiscal 1997 as compared with 4.8% and 5.2%
in fiscal 1996 and 1995, respectively.


Non-recurring Acquisition and Related Costs

The Company recorded a non-recurring acquisition related charge of $32,119,000
related to the write-off of purchased research and development in process in
conjunction with the Reflex acquisition in the fourth quarter of fiscal 1996. In
the fourth quarter of fiscal 1995, the Company recorded a non-recurring
acquisition related charge of $10,438,000 in conjunction with the Rasna merger
consisting primarily of transaction fees and costs associated with integrating
the businesses. In conjunction with the CDRS acquisition in the third quarter of
fiscal 1995, the Company recorded a non-recurring charge of $19,000,000 related
to the write-off of purchased research and development in process.

Other Income

<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------
(dollars in thousands)        1997   Change       1996   Change     1995
- ------------------------------------------------------------------------
<S>                        <C>       <C>       <C>       <C>      <C> 
Other income,
 net                       $10,625     (8)%    $11,501     27%    $9,029
</TABLE> 

     Other income, net, primarily includes interest income, foreign currency
gains and losses, and the costs associated with managing the Company's foreign
exchange exposure. Interest income increased to $17,096,000 in fiscal 1997 from
$13,914,000 in fiscal 1996 and $10,159,000 in fiscal 1995 due primarily to
higher average cash and investment balances partially offset by lower average
annual returns. As the international portion of its business continues to
expand, a growing percentage of the Company's revenue and expenses is transacted
in foreign currencies. In order to reduce its exposure to fluctuations in
foreign exchange rates, the Company from time to time engages in hedging
transactions involving the use of forward foreign exchange contracts and foreign
exchange option contracts in the primary European and Asian currencies.

24
<PAGE>
 

Income Taxes and Net Income
 
<TABLE>
<CAPTION>
- -------------------------------------------------------------------------
(dollars in thousands)        1997   Change       1996   Change      1995
- -------------------------------------------------------------------------
<S>                       <C>        <C>      <C>        <C>      <C>
Provision for
 income taxes             $118,024     51%    $ 78,247     56%    $50,298
 Effective                     35%                 36%                39%
  income                                                        
  tax rate                                                      
Net income                $219,185     59%    $137,910     78%    $77,362
</TABLE>

     The difference between the effective and statutory federal tax rate was due
primarily to the benefits of tax exempt interest income and the income from
foreign sales corporation, offset by the impact of state income taxes and, in
fiscal 1995, the non-deductible acquisition costs associated with the Rasna
merger. The effective tax rate decreased to 35% in fiscal 1997 from 36% in
fiscal 1996 primarily due to tax credits.


Liquidity and Capital Resources

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------
(dollars in thousands)         1997    Change     1996     Change     1995
- -----------------------------------------------------------------------------
<S>                       <C>         <C>      <C>         <C>      <C>
Cash, cash
 equivalents
 and
 investments              $ 554,324      22%   $ 456,112     48%    $ 308,248
Working                                                           
 capital                  $ 503,983      21%   $ 416,058     31%    $ 317,702
Net cash                                                          
 provided                                                         
 by operating                                                     
 activities               $ 266,335      16%   $ 229,724     93%    $ 119,017
Net cash used                                                     
 by investing                                                     
 activities               $(188,285)    (30)%  $(144,511)    (2)%   $(141,270)
Net cash                                     
 provided                                    
 (used) by                                   
 financing                                   
 activities               $(119,379)   (360)%  $ (25,926)  (202)%   $  25,354
</TABLE>

     Net cash generated by operating activities and proceeds from issuance of
the Company's stock under stock plans provided sufficient resources to fund the
Company's headcount growth, capital assets needs, stock repurchases and
acquisitions in all periods presented.

     The increase in fiscal 1997 and 1996 in cash and cash equivalents provided
by operations was primarily due to higher net income before depreciation and
amortization, and increases in accounts payable and accrued expenses, accrued
compensation, income taxes and deferred revenue, offset by increases in accounts
receivable and other current assets.

     Excluding the investment of excess cash, investing activities for the
periods presented used cash primarily to purchase property and equipment and to
acquire technology and businesses. In fiscal 1997, 1996 and 1995, the Company
acquired $28,809,000, $29,650,000 and $12,868,000, respectively, of capital
equipment consisting principally of computer equipment, computer software and
office equipment. In fiscal 1998, the Company expects to spend at least as much
as was spent in fiscal 1997, but the level of spending will be dependent on
various factors, including the growth of the business and general economic
conditions.

     Net cash was used by financing activities in fiscal 1997 and 1996 primarily
to repurchase $184,780,000 and $66,563,000, respectively, of the Company's
stock, offset by proceeds of $65,514,000 and $40,763,000 from the issuance of
the Company's common stock under stock plans. In fiscal 1995, net cash was
provided by financing activities primarily from issuance of the Company's common
stock under stock plans.

     On May 12, 1994, the Company announced that its Board of Directors had
authorized a plan that allowed the Company to repurchase up to 6,000,000 shares
of its common stock. During fiscal 1997, the Company repurchased 3,720,000
shares at a cost of $184,780,000, of which 524,000 remained in treasury at
September 30, 1997, to partially offset the dilution caused by the exercise of
stock options under the Company's option plans and the purchase of shares under
the employee stock purchase plan. Since the inception of the plan, the Company
has repurchased 5,813,000 shares. The repurchases have been funded through the
use of available cash, cash generated from operations and cash received from
stock option exercises and stock purchase plan purchases. On September 11, 1997,
the Company announced that its Board of Directors had authorized an increase in
the number of shares of common stock that the Company may repurchase under the
repurchase program from 6,000,000 to 12,000,000 shares. In anticipation of the
Computervision acquisition, the Company has suspended repurchases and the Board
of Directors has rescinded authorization of the repurchase program.


PARAMETRIC TECHNOLOGY CORPORATION                                             25
<PAGE>
 

Management's Discussion and Analysis of Financial Condition and Results 
of Operations


     On July 10, 1996, the Company acquired project modeling and management
software (Reflex) technology for $32,119,000, which included the issuance of
113,000 shares of the Company's common stock with a fair value of $5,000,000 at
the time of the acquisition. Payments of $5,000,000 in fiscal 1997 and
$22,119,000 in fiscal 1996 were from the Company's existing cash balances. The
acquisition has been accounted for as a purchase. The purchase price was
allocated to purchased research and development in process, as no other tangible
or intangible assets were identified. The purchased research and development in
process had not reached technological feasibility, had no alternative future use
and was valued using expected future cash flows, discounted for risks and
uncertainties related to the target markets and the completion of the products.
As a result, at the date of acquisition, the $32,119,000 allocated to purchased
research and development in process was recorded as a non-recurring charge.

     The Company believes that existing cash and short-term investment balances
together with cash generated from operations and the issuance of the Company's
common stock under stock plans will be sufficient to meet the Company's working
capital, financing and capital expenditure requirements through at least fiscal
1998. Following completion of the Computervision acquisition, the Company
expects to use its existing cash and short-term investment balances to repay a
substantial portion of Computervision's $240,000,000 of debt and the $75,000,000
to $95,000,000 of merger-related, debt prepayment, consolidation and integration
expenses that will be recorded as a non-recurring charge.


Recent Accounting Pronouncements

In February 1997, the Financial Accounting Standards Board ("FASB") issued
Statement of Financial Accounting Standards ("SFAS") No. 128, "Earnings per
Share." SFAS No. 128 establishes a different method of computing net income per
share than is currently required under the provisions of Accounting Principles
Board Opinion No. 15. Under SFAS No. 128, the Company will be required to
present both basic net income per share and diluted net income per share. The
Company plans to adopt SFAS No. 128 in its first quarter of fiscal 1998 and at
that time all historical net income per share data presented will be restated as
follows to conform to the provisions of SFAS No. 128:

<TABLE>
<CAPTION>
- ---------------------------------------------------
                                 1997   1996   1995
- ---------------------------------------------------
<S>                             <C>    <C>    <C>
Basic net income per share      $1.72  $1.09  $0.63
Diluted net income per share    $1.64  $1.04  $0.60
</TABLE>

     In June 1997, the FASB issued SFAS No. 130, "Reporting Comprehensive
Income," which establishes standards for reporting and display of comprehensive
income and its components (revenue, expenses, gains and losses) in a full set of
general-purpose financial statements. Management has not yet evaluated the
effects of this change on its reporting of income. The Company will adopt SFAS
No. 130 for its fiscal year ending September 30, 1999.

     In June 1997, the FASB issued SFAS No. 131, "Disclosure about Segments of
an Enterprise and Related Information," which changes the way public companies
report information about operating segments. SFAS No. 131, which is based on the
management approach to segment reporting, establishes requirements to report
selected segment information quarterly and to report entity-wide disclosures
about products and services, major customers and the material countries in which
the entity holds assets and reports revenue. Management is currently evaluating
the effects of this change on its reporting of segment information. The Company
will adopt SFAS No. 131 for its fiscal year ending September 30, 1999.

26
<PAGE>
 
 
     In October 1997, the American Institute of Certified Public Accountants
issued Statement of Position ("SOP") 97-2, "Software Revenue Recognition," which
provides guidance on applying generally accepted accounting principles in
recognizing revenue on software transactions and supersedes SOP 91-1, "Software
Revenue Recognition." The Company will adopt SOP 97-2 for its fiscal year ending
September 30, 1999 and does not expect any material impact on its revenue
recognition policies.


Financial Risk Management

In January 1997, the U.S. Securities and Exchange Commission issued Financial
Reporting Release No. 48 which expands disclosure requirements for certain
derivative and other financial instruments. The Company adopted the sensitivity
analysis approach effective in the fourth quarter of fiscal 1997. The
sensitivity approach presents the hypothetical change in fair value resulting
from hypothetical changes in market rates.

     As a global concern, the Company faces exposure to adverse movements in
foreign currency exchange rates. These exposures may change over time as
business practices evolve and could have a material adverse impact on the
Company's financial results. Historically, the Company's primary exposures have
been related to local currency revenue in Japan and Europe and local currency
operating expenses in Europe, Japan and Asia/Pacific. Historically, the Company
has hedged currency exposures associated with certain accounts receivable
denominated in local currencies and certain anticipated foreign currency revenue
transactions. The hedging activity undertaken by the Company is intended to
offset the impact of currency fluctuations on certain local currency accounts
receivable and certain anticipated foreign currency revenue transactions. The
success of this activity depends upon forecasts of transaction activity
denominated in various currencies. To the extent that these forecasts are
overstated or understated during periods of currency volatility, the Company
could experience unanticipated currency gains or losses.

Outstanding forward foreign exchange contracts at September 30, 1997 mature
within one month, and therefore movement in the exchange rates is not expected
to have a material impact on the Company's financial results.

     The carrying amounts reflected in the consolidated balance sheets for cash
and cash equivalents, accounts receivable and accounts payable approximate fair
value due to the short maturities of these instruments. The fair values
represent estimates of possible value that may not be realized in the future.

     The Company maintains investment portfolio holdings of various issuers,
types and maturities. These securities are generally classified as available for
sale, and consequently, are recorded on the balance sheet at fair value with
unrealized gains or losses reported as a separate component of stockholders'
equity. Given the short maturities and investment grade quality of the portfolio
holdings at September 30, 1997, a sharp rise in interest rates should not have a
material adverse impact on the fair value of the Company's investment portfolio.
As a result, the Company does not currently hedge these interest rate exposures.

     The following table presents hypothetical changes in fair values in the
financial instruments held by the Company at September 30, 1997 that are
sensitive to changes in interest rates. These instruments are not leveraged and
are held for purposes other than trading. The modeling technique used measures
the change in fair values arising from selected potential changes in interest
rates. Market changes reflect immediate hypothetical shifts in the yield curve
of plus or minus 50 basis points ("BP"), and 100 BP. Fair values represent the
market principal plus accrued interest, dividends and certain interest rate-
sensitive securities considered cash, cash equivalents and investments for
financial reporting purposes at September 30, 1997.


PARAMETRIC TECHNOLOGY CORPORATION                                             27
<PAGE>
 
                                PARAMETRIC TECH

MANAGEMENT'S DISCUSSION AND ANALYSIS of Financial Condition and Results of 
Operations

<TABLE>
<CAPTION>
                                  Valuation of securities                     No change              Valuation of securities
                                  given an interest rate                     in interest              given an interest rate
Type of security                decrease of X basis points                      rates               increase of X basis points
- ------------------------------------------------------------------------------------------------------------------------------------

(dollars in thousands)            (100 BP)            (50 BP)                                          50 BP             100 BP
- ------------------------------------------------------------------------------------------------------------------------------------

<S>                              <C>                <C>                        <C>                   <C>                <C>
Municipal debt securities        $360,908           $359,168                   $357,440              $355,687           $353,947
Mutual funds                        9,911              9,860                      9,812                 9,763              9,714
Auction rate preferred stock       37,239             37,056                     36,873                36,689             36,505
Corporate debt securities          11,195             11,141                     11,086                11,032             10,977
====================================================================================================================================
Total                            $419,253           $417,225                   $415,211              $413,171           $411,143
====================================================================================================================================
</TABLE>

  A 50-BP move in the Federal Funds Rate has occurred in 8 of the last 40
quarters; a 100-BP move in the Federal Funds Rate has not occurred in any of the
last 40 quarters.

Important Factors Regarding Future Results

Information provided by the Company, including information contained in this
Annual Report, or by its spokespersons from time to time may contain forward-
looking statements concerning projected financial performance, market and
industry segment growth, product development and commercialization or other
aspects of future operations. Such statements, made pursuant to the safe harbor
established by recent securities legislation, will be based on the assumptions
and expectations of the Company's management at the time such statements are
made. The Company cautions investors that its performance (and, therefore, any
forward-looking statement) is subject to risks and uncertainties. Various
important factors, including, but not limited to the following, may cause the
Company's future results to differ materially from those projected in any
forward-looking statement.

Fluctuations in Operating Results

While the Company's sales cycle varies substantially from customer to customer,
a high percentage of the Company's revenues are expected to be realized in the
third month of each fiscal quarter and tend to be concentrated in the latter
half of that month. The Company's orders early in a quarter will not generally
be large enough to assure that it will meet its revenue targets for any
particular quarter. In addition, the Company's operating expenses are based on
expected future revenue and are relatively fixed for the short term.
Accordingly, the Company's quarterly results may be difficult to predict until
the end of the quarter and a shortfall in shipments or contract orders at the
end of any particular quarter may cause the results for that quarter to fall
short of anticipated levels. In turn, this could adversely impact the market
price of the Company's stock.

Stock Market Volatility

Market prices for securities of software companies have generally been volatile.
In particular, the market price of the Company's common stock has been and may
continue to be subject to significant fluctuations as a result of factors
affecting the computer industry or the securities markets in general. These
factors include, but are not limited to, quarterly variations, announcements of
technological innovations by the Company or competitors, changes in prices by
the Company or competitors, changes in product mix and changes in revenue or
revenue growth rates for geographic areas or products.

  In addition, a large percentage of the Company's common stock traditionally
has been held by institutional investors. Consequently, actions with respect to
the Company's common stock by certain of these institutional investors could
have a significant impact on the market price for the stock. For more
information, please see the Company's proxy statement with respect to its most
recent annual meeting of stockholders and Schedules 13D and 13G filed with the
U.S. Securities and Exchange Commission with respect to the Company's common
stock.

Market Growth

Any Company projections of revenue growth are based on the assumptions that the
Company will be able to continue to penetrate the relevant markets, execute
management initiatives, and that the mechanical CAD/CAM/CAE industry will
continue to grow at a predicted annual rate. Failure of these assumptions to
materialize could adversely impact the Company's operating results.

28
<PAGE>
 
Rapid Technological and Market Changes

The mechanical CAD/CAM/CAE industry is highly competitive, and is characterized
by rapid technological advances. Accordingly, the Company's ability to realize
its expectations will depend on its success at enhancing its current offerings,
licensing technology from third parties, developing new products and services
that keep pace with developments in technology and meeting evolving customer
requirements, and delivering those products through appropriate distribution
channels. This will require, among other things, correctly anticipating customer
needs, hiring and retaining personnel with the necessary skills and creativity,
providing adequate funding for the development efforts and managing distribution
channels effectively. In addition, the Company's software has historically been
available on a variety of platforms. However, the Company is aware of efforts by
competitors to focus on single platform applications. There can be no assurance
that multiple platform applications will provide the Company with any
competitive advantage.

  The Company has continued to enhance its existing products through updated
product releases. The Company has recently announced that those product releases
will be less frequent in order to permit customers to more effectively absorb
upgrades. The Company's competitive position and operating results could be
adversely affected by failure to anticipate or respond adequately to customer
requirements or to technological developments, particularly those of our
competitors; or by significant delays in the development, production, testing,
marketing or availability of new or enhanced products or services; or by the
failure of customers to accept such products or services.

Possibility of New Product Delays

As is common in the computer software industry, the Company may from time to
time experience delays in its product development and "debugging" efforts.
Significant delays in developing, completing or shipping new or enhanced
products could adversely affect the Company's financial performance. Among other
things, such delays could cause the Company to incorrectly predict the fiscal
quarter in which revenue from the shipment of the new or enhanced product will
be realized and give the Company's competitors a greater opportunity to market
competing products.

Management of Growth Through Acquisitions

The Company's product range and customer base have increased in the recent past
due in part to acquisitions. The Company may acquire additional businesses or
product lines in the future. In particular, the Company has announced that it
has entered into an agreement to acquire Computervision, subject to several
factors including approval of Computervision's shareholders. The probability of
success of any acquisition may be dependent upon the Company's ability to
integrate the acquired business or products successfully and to retain key
personnel and customers associated with the acquisition. Failure to do so, or a
material increase in the cost of integration, could cause actual results to
differ from those projected in management's forward-looking statements.

Competition

The Company believes that the principal bases for competition in its markets are
product functionality, price/performance characteristics, product portability,
ease of product use, sales and marketing strength, support services and
corporate reputation. In particular, the Company believes that the current
success of its Pro/ENGINEER product line is due in part to the mechanical and
functional superiority of such products over competitive offerings. The Company
is aware of a number of efforts to develop technically equivalent competitive
products and to market these products at lower prices. Should a competitor
successfully bring such a product to market and be able to sell it at a lower
price in the future, the Company's operating results could be adversely
affected. In addition, the Company is aware of ongoing efforts by competitors,
some of whom have greater resources than the Company, to emulate the performance
and functionality of the Company's products, and competitors may develop

PARAMETRIC TECHNOLOGY CORPORATION                                             29
<PAGE>
 
Managements's Discussion and Analysis of Financial Condition and Results of 
Operations

equivalent or superior technology. The Company's future success will depend in a
large part on its ability to license additional products and services to its
existing customer base as well as to the installed customer bases of traditional
mechanical CAD/CAM/CAE suppliers.

Dependence on Key Personnel

The Company's success depends upon its ability to attract and retain highly
skilled technical, managerial and sales personnel. While the Company has not to
date experienced any significant difficulty in hiring or retaining qualified
personnel, competition for such personnel in the computer industry in general,
and the mechanical CAD/CAM/CAE industry in particular, is intense. Management's
projections necessarily assume that the Company will continue to attract and
retain such personnel and the failure to do so could have a material adverse
effect on the Company's ability to develop and market competitive products and
its ability to achieve projected operating results.

Risks Associated with International Business

A significant and growing portion of the Company's business comes from outside
the United States. A consequence of increased international business is that a
growing percentage of the Company's revenue and expenses are denominated in
foreign currencies, which subjects the Company's results of operations to
foreign exchange fluctuations. Although the Company may enter into forward
foreign exchange contracts and foreign exchange option contracts to offset a
portion of the foreign exchange fluctuations, unanticipated events may
materially and adversely affect its results. Additional risks associated with
international business include, but are not limited to, unexpected changes in
regulatory practices and tariffs, staffing and managing foreign operations,
longer collection cycles in certain areas, potential changes in tax laws,
greater difficulty in protecting intellectual property rights and general
economic and political conditions.

Protection of Intellectual Property and Other Proprietary Rights

The Company regards its software products as proprietary and attempts to protect
its intellectual property rights by relying on copyrights, trademarks, patents
and common law safeguards, including trade secret protection, as well as
restrictions on disclosures and transferability in its agreements with other
parties. Although the Company intends to protect its intellectual property
rights, there can be no assurance that the laws of all jurisdictions in which
the Company's products are or may be developed, manufactured or sold will afford
the same protections to its products and intellectual property, or will be
enforced or enforceable by the Company, to the same extent as under the laws of
the United States. The software industry is characterized by frequent litigation
regarding copyright, patent and other intellectual property rights. While the
Company has not, to date, had any significant claims of such nature asserted
against it, there can be no assurance that third parties will not assert such
claims against the Company with respect to existing or future products or that,
if asserted, such claims would be resolved in a satisfactory manner. In the
event of litigation to determine the validity of any third party claims, such
litigation could result in significant expense to the Company and divert the
efforts of the Company's technical and management personnel, whether or not such
litigation is determined in favor of the Company.

30
<PAGE>
 
Consolidated Balance Sheet

<TABLE>
<CAPTION>

                                                                 September 30,
- ------------------------------------------------------------------------------
(amounts in thousands)                                         1997       1996
- ------------------------------------------------------------------------------
<S>                                                        <C>        <C>
ASSETS
Current assets:
     Cash and cash equivalents                             $154,228   $201,614
     Short-term investments                                 354,516    232,602
     Accounts receivable, net of allowance for doubtful
      accounts of $2,749 and $2,910                         154,777    117,273
     Other current assets                                    27,620     10,561
- ------------------------------------------------------------------------------
         Total current assets                               691,141    562,050
     Marketable investments                                  45,580     21,896
     Property and equipment, net                             47,504     36,517
     Other assets                                            48,198     38,754
- ------------------------------------------------------------------------------
         Total assets                                      $832,423   $659,217
==============================================================================
 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
     Accounts payable and accrued expenses                 $ 36,417   $ 39,416
     Accrued compensation                                    39,085     32,186
     Deferred revenue                                        81,287     56,420
     Income taxes                                            30,369     17,970
- ------------------------------------------------------------------------------
         Total current liabilities                          187,158    145,992
Other liabilities                                               470        793
Commitments and contingencies
- ------------------------------------------------------------------------------
Stockholders' equity:
     Preferred stock, $.01 par value; 5,000 shares
      authorized; none issued                                     -          -
     Common stock, $.01 par value; 350,000 shares
      authorized; 
     128,149 and 127,452 shares issued                        1,281      1,275
     Additional paid-in capital                             253,201    207,039
     Retained earnings                                      419,285    306,638
     Treasury stock, at cost, 524 and 23 shares             (24,169)    (1,164)
     Other equity                                            (4,803)    (1,356)
- ------------------------------------------------------------------------------
     Total stockholders' equity                             644,795    512,432
- ------------------------------------------------------------------------------
         Total liabilities and stockholders' equity        $832,423   $659,217
==============================================================================
</TABLE> 

The accompanying notes are an integral part of the consolidated financial
statements.

Parametric Technology Corporation                             
                                                                              31
<PAGE>
 
Consolidated Statement of Income

<TABLE>
<CAPTION>
 
 
                                                      Year ended September 30,
- ------------------------------------------------------------------------------
(amounts in thousands, except per share data)       1997       1996       1995
- ------------------------------------------------------------------------------
<S>                                             <C>        <C>        <C>
Revenue:
 License                                        $591,849   $448,699   $288,349
 Service                                         216,947    151,423    105,961
- ------------------------------------------------------------------------------
  Total revenue                                  808,796    600,122    394,310
- ------------------------------------------------------------------------------
Cost of revenue:
 License                                           8,233      4,642      3,348
 Service                                          68,259     51,812     32,970
- ------------------------------------------------------------------------------
  Total cost of revenue                           76,492     56,454     36,318
- ------------------------------------------------------------------------------
Gross profit                                     732,304    543,668    357,992
- ------------------------------------------------------------------------------
Operating expenses:
 Sales and marketing                             313,785    238,860    163,918
 Research and development                         53,236     39,476     25,591
 General and administrative                       38,699     28,557     20,414
 Non-recurring acquisition and related costs           -     32,119     29,438
- ------------------------------------------------------------------------------
  Total operating expenses                       405,720    339,012    239,361
- ------------------------------------------------------------------------------
Operating income                                 326,584    204,656    118,631
Interest income                                   17,096     13,914     10,159
Other expense, net                                (6,471)    (2,413)    (1,130)
- ------------------------------------------------------------------------------
Income before income taxes                       337,209    216,157    127,660
Provision for income taxes                       118,024     78,247     50,298
- ------------------------------------------------------------------------------
Net income                                      $219,185   $137,910   $ 77,362
==============================================================================
Net income per share                               $1.64      $1.04      $0.60
==============================================================================
Weighted average number of common and dilutive
 common equivalent shares outstanding            133,558    133,211    129,046
==============================================================================
</TABLE>

The accompanying notes are an integral part of the consolidated financial 
statements.

32
<PAGE>
 
Consolidated Statement of Stockholders' Equity

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                   Foreign                                     Unrealized     Total
                                 Common stock     Additional      currency                   Treasury stock   gain/(loss)    stock-
                               ----------------      paid-in   translation    Retained     ------------------  on invest-   holders'
(amounts in thousands)         Shares    Amount      capital    adjustment    earnings     Shares        Cost       ments    equity
<S>                            <C>      <C>       <C>          <C>          <C>          <C>         <C>        <C>       <C> 
- ------------------------------------------------------------------------------------------------------------------------------------
Balance, September 30, 1994    120,649  $  1,206    $113,373        $1,086   $ 135,513          -    $      -   $     -    $251,178
- ------------------------------------------------------------------------------------------------------------------------------------
Issuance of common stock                                                                                                 
 for services                       35         -          46                                                                     46
Issuance of common stock                                                                                                 
 under stock plans               4,517        46      26,127                                                                 26,173
Income tax benefit related                                                                                               
 to incentive stock option                                                                                               
  plan                                                16,040                                                                 16,040
Foreign currency                                                                                                         
 translation adjustment                                                578                                                      578
Net income                                                                      77,362                                       77,362
Elimination of Rasna's                                                                                                   
 net activity for the                                                                                                    
 three months ended                                                                                                      
 December 31, 1994                 (72)       (1)        (89)           46        (404)                                        (448)
                                                                                                                         
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                         
Balance, September 30, 1995    125,129     1,251     155,497         1,710     212,471          -           -         -     370,929
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                         
Issuance of common stock                                                                                                 
 under stock plans               2,210        23      19,084                                                                 19,107
Issuance of common stock                                                                                                 
 for acquisition                   113         1       4,999                                                                  5,000
Income tax benefit related                                                                                               
 to incentive stock option                                                                                               
  plan                                                27,459                                                                 27,459
Purchase of common stock                                                                                                 
 for treasury                                                                              (1,779)    (66,563)              (66,563)
Issuance of treasury stock                                                                                               
 under stock plans                                                             (43,743)     1,756      65,399                21,656
Foreign currency                                                                                                         
 translation adjustment                                             (3,026)                                                  (3,026)
Unrealized loss on investments                                                                                      (40)        (40)
Net income                                                                     137,910                                      137,910
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                         
Balance, September 30, 1996    127,452     1,275     207,039        (1,316)    306,638        (23)     (1,164)      (40)    512,432
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                         
Issuance of common stock                                                                                                 
 under stock plans                 697         6      10,268                                                                 10,274
Income tax benefit related                                                                                               
 to incentive stock option                                                                                               
  plan                                                35,894                                                                 35,894
Purchase of common stock                                                                                                 
 for treasury                                                                              (3,720)   (184,780)             (184,780)
Issuance of treasury stock                                                                                               
 under stock plans                                                            (106,538)     3,219     161,775                55,237
Foreign currency                                                                                                         
 translation adjustment                                            (3,534)                                                   (3,534)
Unrealized gain on investments                                                                                       87          87
Net income                                                                     219,185                                      219,185
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                         
Balance, September 30, 1997    128,149    $1,281    $253,201      $(4,850)    $419,285       (524)   $(24,169)   $   47    $644,795
====================================================================================================================================

</TABLE>

The accompanying notes are an integral part of the consolidated financial
statements.

Parametric Technology Corporation

                                                                              33
<PAGE>
 
Consolidated Statement of Cash Flows

<TABLE>
<CAPTION>

                                                        Year ended September 30,
- ---------------------------------------------------------------------------------
(amounts in thousands)                               1997        1996        1995
- ---------------------------------------------------------------------------------
<S>                                             <C>         <C>         <C>
Cash flows from operating activities:
 Net income                                     $ 219,185   $ 137,910   $  77,362
 Adjustments to reconcile net income to
  net cash provided by operating activities:
   Depreciation and amortization                   22,377      16,800       9,466
   Deferred income taxes                            2,195      (6,420)    (10,599)
   Charge for purchased research and
    development in process                              -      32,119      19,000
   Changes in assets and liabilities net of
    effects from acquisitions:
     Increase in accounts receivable              (52,139)    (39,040)    (13,129)
     (Increase) decrease in other current
      assets                                      (14,646)         88      (2,334)
     (Increase) decrease in other assets           (4,223)        205      (4,378)
     Increase in accounts payable and accrued
      expenses                                      9,358      15,377       5,660
     Increase in accrued compensation               8,439      12,687       3,131
     Increase in deferred revenue                  27,174      19,420      16,436
     Increase in income taxes                      48,615      40,578      18,402
- ---------------------------------------------------------------------------------
 Net cash provided by operating activities        266,335     229,724     119,017
- ---------------------------------------------------------------------------------
Cash flows from investing activities:
 Additions to property and equipment, net         (28,809)    (29,650)    (12,868)
 Payments for acquisitions                         (5,000)    (22,119)    (33,507)
 Additions to capitalized computer software
  costs                                              (965)       (815)     (1,132)
 Proceeds from maturities of investments          423,988     244,645     171,163
 Purchases of investments                        (577,499)   (336,572)   (264,926)
- ---------------------------------------------------------------------------------
 Net cash used by investing activities           (188,285)   (144,511)   (141,270)
- ---------------------------------------------------------------------------------
Cash flows from financing activities:
 Repayment of long-term obligations                  (113)       (126)       (175)
 Short-term borrowings, net                             -           -        (600)
 Proceeds from issuance of common stock            65,514      40,763      26,129
 Purchases of treasury stock                     (184,780)    (66,563)          -
- ---------------------------------------------------------------------------------
 Net cash provided (used) by financing
  activities                                     (119,379)    (25,926)     25,354
- ---------------------------------------------------------------------------------
Elimination of Rasna's net cash activity for
 the three months ended December 31, 1994               -           -        (112)
Effects of exchange rate changes on cash           (6,057)     (3,311)        447
- ---------------------------------------------------------------------------------
Net increase (decrease) in cash and cash
 equivalents                                      (47,386)     55,976       3,436
Cash and cash equivalents at beginning of year    201,614     145,638     142,202
- ---------------------------------------------------------------------------------
Cash and cash equivalents at end of year        $ 154,228   $ 201,614   $ 145,638
=================================================================================
</TABLE> 

The accompanying notes are an integral part of the consolidated financial 
statements.

34
<PAGE>
 
Notes to Consolidated Financial Statements




A. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and
its wholly-owned subsidiaries. All significant intercompany balances and
transactions have been eliminated in the financial statements. Certain
reclassifications have been made for consistent presentation.

     On August 1, 1995, the Company completed its merger with Rasna Corporation
("Rasna"), a developer and marketer of software products for mechanical
computer-aided engineering. The merger was accounted for as a pooling of
interests. Accordingly, the accompanying consolidated financial statements have
been retroactively combined to reflect this transaction.


Use of Estimates

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the amounts reported in the financial statements and accompanying notes.
Actual results could differ from those estimates.


Foreign Currency Translation

Foreign currency financial statements of international subsidiaries, where the
local currency is the functional currency, are translated using exchange rates
in effect at period end for assets and liabilities and at average rates during
the period for results of operations. The resulting foreign currency translation
adjustments are reflected as a separate component of stockholders' equity. For
international subsidiaries where the U.S. dollar is the functional currency,
monetary assets and liabilities are translated using exchange rates in effect at
period end, nonmonetary assets and liabilities are translated at historical
rates and results of operations are translated at average rates for the period.
The resulting foreign currency translation adjustments are included in income.
Any gains or losses from foreign exchange transactions are included in income
and are immaterial for all periods presented.


Revenue Recognition

Revenue is derived from the licensing of computer software products and from
service revenue consisting of training, consulting and maintenance. License
revenue is recognized upon shipment, unless collection is not reasonably
assured. Revenue from software maintenance contracts is recognized ratably over
the contract period and other service revenue is recognized upon performance.


Financial Instruments

The carrying amounts reflected in the consolidated balance sheets for cash and
cash equivalents, accounts receivable and accounts payable approximate fair
value due to the short maturities of these instruments.


Cash Equivalents and Investments

The Company considers all highly liquid investments purchased with a maturity of
three months or less to be cash equivalents. Short-term investments are those
with maturities in excess of three months but less than one year. Marketable
investments are those with maturities in excess of one year but less than two
years. All cash equivalents and short-term and marketable investments have been
classified as available for sale and are reported at fair value with unrealized
gains and losses included in stockholders' equity.

     The Company invests its non-operating cash in debt instruments of financial
institutions, government entities, corporations and mutual funds. The Company
has established guidelines relative to credit ratings, diversification and
maturities that maintain safety and liquidity. The Company has not experienced
any losses on its investments.


Concentration of Credit Risk

The Company places its cash, cash equivalents and investments with financial
institutions with high credit standing. The Company's customer base consists of
large numbers of geographically diverse customers dispersed across many
industries. As a result, concentration of credit risk with respect to trade
receivables is not significant.

Parametric Technology Corporation                                             35
<PAGE>
 
Notes to Consolidated Financial Statements




Derivatives

The Company enters into forward foreign exchange contracts to hedge specific
foreign currency denominated receivables, which require the Company to exchange
foreign currencies for U.S. dollars at maturity at rates agreed to at inception
of the contracts. Exchange gains or losses arising from such transactions are
included in other expense. All forward foreign exchange contracts are designated
as effective hedges and are highly inversely correlated to the hedged item as
required by generally accepted accounting principles. As of September 30, 1997
and 1996, the Company had approximately $50,170,000 and $11,766,000,
respectively, of foreign exchange contracts outstanding. All contracts mature
within one year. At September 30, 1997 and for all fiscal years presented,
unrealized and realized gains and losses associated with exchange rate
fluctuations on forward foreign exchange contracts are immaterial. Cash flows
from the forward foreign exchange contracts are classified with the related
receivables.

     The Company purchases foreign exchange option contracts from time to time
to limit potential losses from adverse exchange rate movements on certain
anticipated revenue transactions. The contracts are primarily in European
currencies and Japanese yen and have maturities of less than one year. All 
foreign exchange option contracts are designated as hedges, the purpose of which
is to protect against the potential appreciation of the U.S. dollar for certain
anticipated revenue transactions. Premiums to purchase foreign exchange option
contracts are capitalized to other current assets and amortized to other expense
over the life of the contract. Gains on option contracts, if any, are included
in license and service revenues in the period in which the related local
currency revenue is reported. For 1997 these transactions were immaterial.
There were no outstanding option contracts at September 30, 1997.


Property and Equipment

Property and equipment are stated at cost and depreciated using the straight-
line method over the estimated useful lives, typically three years. Leasehold
improvements are amortized over the shorter of the useful lives or the remaining
terms of the related leases. Property and equipment under capital leases are
amortized over the lesser of the lease terms or the estimated useful lives.
Maintenance and repairs are charged to expense when incurred; additions and
improvements are capitalized. Upon retirement or sale, the cost of the disposed
asset and the related accumulated depreciation are removed from the accounts and
any resulting gain or loss is credited or charged to income.


Capitalized Computer Software Costs and Intangible Assets

The Company incurs costs to develop computer software to be licensed or
otherwise marketed to customers. Development costs incurred in the research and
development of new software products and enhancements to existing products are
expensed in the period incurred unless these costs qualify for capitalization.
Capitalized computer software costs are amortized over the economic lives of the
related products, typically three years, beginning at their initial shipment
date. Capitalized computer software costs of $1,687,000 and $3,174,000, included
in other assets, are net of accumulated amortization of $8,002,000 and
$5,672,000 at September 30, 1997 and 1996, respectively. Amortization charged to
expense was $2,329,000, $2,021,000 and $1,334,000 for the fiscal years ended
September 30, 1997, 1996 and 1995, respectively.

     In fiscal 1995, purchased software of $3,400,000 and intangible assets of
$11,083,000 (including goodwill of $7,703,000) were capitalized and were
attributable to the acquisition of the Conceptual Design and Rendering System
("CDRS") software business operated by the Design Software Division of Evans &
Sutherland Computer Corporation. These assets, included in other assets, are
amortized on a straight-line basis, over three and seven years, respectively.
Amortization charges related to intangible assets, the majority of which were
reflected in general and administrative expenses, totaled $1,570,000, $1,580,000
and $725,000 for the fiscal years ended September 30, 1997, 1996 and 1995,
respectively.

     The Company evaluates the net realizable value of capitalized computer
software costs and intangible assets on an ongoing basis relying on a number of
factors including operating results, business plans, budgets and economic
projections.

36
<PAGE>
 
Income Per Common Share

Income per common share is computed based upon the weighted average number of
common and dilutive common equivalent shares outstanding during the year. Fully
diluted and primary earnings per common share are the same amounts for each of
the years presented. Dilutive common equivalent shares consist of stock options
and are calculated using the treasury stock method.

B. ACQUISITIONS

On July 10, 1996, the Company acquired project modeling and management software
("Reflex") technology from Greenshire License Co. for $32,119,000, which
included the issuance of 113,000 shares of the Company's common stock with a
fair value of $5,000,000 at the time of the acquisition. Payments of $5,000,000
in fiscal 1997 and $22,119,000 in fiscal 1996 were from the Company's existing
cash balances. The acquisition has been accounted for as a purchase. The
purchase price was allocated to purchased research and development in process as
no other tangible or intangible assets were identified. The purchased research
and development in process had not reached technological feasibility, had no
alternative future use and was valued using expected future cash flows,
discounted for risks and uncertainties related to the target markets and the
completion of the products. As a result, at the date of acquisition, the
$32,119,000 allocated to purchased research and development in process was
recorded as a non-recurring charge. The operating results of Reflex have not
been material in relation to those of the Company and are included in the
Company's consolidated results of operations from the date of acquisition.

     On August 1, 1995, the Company acquired Rasna by merging it into the
Company pursuant to an Agreement and Plan of Merger dated as of May 30, 1995.
Based on the number of shares of Rasna common stock outstanding, the Company
issued 7,541,000 shares of common stock and reserved 1,045,000 shares of its
common stock for outstanding Rasna stock options assumed. The merger was
accounted for as a pooling of interests. In conjunction with the Rasna merger,
the Company recorded a non-recurring charge of $10,438,000, which included
approximately $6,028,000 for transaction fees, $1,722,000 for severance related
expenses, and $2,688,000 related to integration costs and lease and distributor
termination costs.

     The following information shows revenue and net income of the separate
companies during the period preceding the combination. Adjustments recorded to
conform the accounting policies of the companies were not material to the
consolidated financial statements.

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                                                              Nine months ended
(in thousands)                                                     July 1, 1995
- --------------------------------------------------------------------------------
<S>                                                           <C>       
Revenue:                                     
 Parametric                                                            $252,566
 Rasna                                                                   22,500
- --------------------------------------------------------------------------------
                                                                       $275,066
================================================================================
Net income:                                  
 Parametric                                                            $ 54,809
 Rasna                                                                    2,267
- --------------------------------------------------------------------------------
                                                                        $57,076
================================================================================
</TABLE>

     On April 12, 1995, the Company acquired substantially all of the assets and
specified liabilities of CDRS for $33,507,000 in cash, which was paid by the
Company from its existing cash balances. The acquisition was accounted for as a
purchase. The purchase price has been allocated to the assets acquired,
including certain intangible assets, such as purchased computer software and
research and development in process, based on their respective fair values. The
excess of the purchase price over the estimated fair value of the net assets
acquired has been recorded as goodwill ($7,703,000), which is being amortized on
a straight-line basis over seven years. In conjunction with the acquisition, the
Company recorded a non-recurring charge of $19,000,000 related to the write-off
of purchased research and development in process. CDRS's results of operations
have been included in the consolidated results of operations since the date of
acquisition.

Parametric Technology Corporation                                             37
<PAGE>
 
Notes to Consolidated Financial Statements



 
C. INVESTMENTS

The following is a summary of investments held as available-for-sale:

<TABLE>
<CAPTION>
                                                                             September 30, 1997                 
- -----------------------------------------------------------------------------------------------
                                                            Gross           Gross     Estimated
                                                       unrealized      unrealized          fair
(in thousands)                                 Cost         gains          losses         value
- -----------------------------------------------------------------------------------------------
<S>                                        <C>         <C>             <C>            <C>     
Municipal debt                      
 securities                                $357,372          $233         $ (165)      $357,440
Mutual funds                                  9,812             -              -          9,812
Auction rate                                                                     
Corporate debt                                                                   
 securities                                  11,106             3            (23)        11,086
- -----------------------------------------------------------------------------------------------
  Total investments                        $415,164          $237         $ (190)      $415,211
===============================================================================================
Amounts included in                                                              
 cash and cash                                                                   
 equivalents                               $ 15,115          $  -         $    -       $ 15,115
Amounts included                                                                 
 in short-term                                                                   
 investments                                354,567           133           (184)       354,516
Amounts included                                                                 
 in marketable                                                                   
 investments                                 45,482           104             (6)        45,580
- -----------------------------------------------------------------------------------------------
  Total investments                        $415,164          $237         $ (190)      $415,211
===============================================================================================
<CAPTION> 
                                                                             September 30, 1996                 
- -----------------------------------------------------------------------------------------------
                                                            Gross           Gross     Estimated
                                                       unrealized      unrealized          fair
(in thousands)                                 Cost         gains          losses         value
- -----------------------------------------------------------------------------------------------
<S>                                        <C>         <C>             <C>            <C>     
Municipal debt                      
 securities                                $269,728          $240         $ (270)      $269,698
Mutual funds                                 20,422             -              -         20,422
Auction rate                        
 preferred stock                             40,287            10            (10)        40,287
U.S. Government                     
 debt securities                             13,233            10            (20)        13,223
- -----------------------------------------------------------------------------------------------
  Total investments                        $343,670          $260         $ (300)      $343,630
===============================================================================================
Amounts included                    
 in cash and cash                   
 equivalents                               $ 89,132          $ 10         $  (10)      $ 89,132
Amounts included                    
 in short-term                      
 investments                                232,522           250           (170)       232,602
Amounts included                    
 in marketable                      
 investments                                 22,016             -           (120)        21,896
- -----------------------------------------------------------------------------------------------
  Total investments                        $343,670          $260         $ (300)      $343,630
===============================================================================================
</TABLE>

     Fair values have been determined through information obtained from market
sources and management estimates. Realized gains and losses on the sale of each
type of security for the years ended September 30, 1997, 1996 and 1995 were
immaterial. For the purpose of determining gross realized gains and losses, the
cost of securities sold is based upon specific identification.

D. PROPERTY AND EQUIPMENT

Property and equipment consists of:








<TABLE>
<CAPTION>
                                                                September 30,
- ------------------------------------------------------------------------------
(in thousands)                                                1997       1996
- ------------------------------------------------------------------------------
<S>                                                       <C>        <C>
Computer hardware and software                            $ 76,098   $ 55,825
Furniture and fixtures                                       9,549      6,530
Leasehold improvements                                       8,503      4,501
- ------------------------------------------------------------------------------
                                                            94,150     66,856
==============================================================================
Less: accumulated depreciation              
 and amortization                                          (46,646)   (30,339)
- ------------------------------------------------------------------------------
  Total                                                   $ 47,504   $ 36,517
==============================================================================
</TABLE>

     Depreciation expense totaled $18,993,000, $13,171,000 and $7,663,000 for
the fiscal years ended September 30, 1997, 1996 and 1995, respectively. At
September 30, 1997 and 1996, property and equipment (principally computer
hardware) includes assets under capital leases of $175,000 and $312,000, less
accumulated amortization of $140,000 and $167,000, respectively.

E. INCOME TAXES

Income tax expense includes U.S. and international income taxes. Certain items
of income and expense are not reported in tax returns and financial statements
in the same year. The tax effect of this difference is reported as deferred
income taxes. Deferred tax assets and liabilities are recognized for the
expected future tax consequences, utilizing current tax rates, of temporary
differences between the carrying amounts and the tax bases of assets and
liabilities. Deferred tax assets are recognized, net of any valuation allowance,
for the estimated future tax effects of deductible temporary differences and tax
operating loss and credit carryforwards. Deferred tax expense represents the
change in the deferred tax asset or liability balances.

38
<PAGE>
 
     The provision for income taxes consists of the following:

<TABLE>
<CAPTION>
                                                      Year ended September 30,
- --------------------------------------------------------------------------------
(in thousands)                                        1997      1996      1995
- --------------------------------------------------------------------------------
<S>                                               <C>        <C>       <C>
FEDERAL INCOME TAXES:
  Current                                         $ 82,201   $57,880   $30,257
  Deferred                                           3,677    (7,730)    7,068
- --------------------------------------------------------------------------------
                                                    85,878    50,150    37,325
- --------------------------------------------------------------------------------
STATE INCOME TAXES:
  Current                                           18,280    10,719     6,113
  Deferred                                             119       529     1,997
- --------------------------------------------------------------------------------
                                                    18,399    11,248     8,110
- --------------------------------------------------------------------------------
FOREIGN INCOME TAXES:
  Current                                           13,582    16,068     3,329
  Deferred                                             165       781     1,534
- --------------------------------------------------------------------------------
                                                    13,747    16,849     4,863
- --------------------------------------------------------------------------------
   Total                                          $118,024   $78,247   $50,298
================================================================================
</TABLE> 
 
     The differences between statutory federal income taxes and the provision
for income taxes are as follows:

<TABLE> 
<CAPTION> 
                                                      Year ended September 30,
- --------------------------------------------------------------------------------
(in thousands)                                        1997      1996      1995
- --------------------------------------------------------------------------------
<S>                                               <C>        <C>       <C>  
Statutory federal
  income taxes                                    $118,024   $75,655   $44,681

State income taxes, 
  net of federal tax benefit                        11,959     7,311     5,386

Tax exempt interest income                          (4,496)   (3,600)   (2,744)

Tax benefit of foreign 
  sales corporation                                 (8,058)   (6,308)   (3,357)

Other, net                                             595     5,189     4,006
- --------------------------------------------------------------------------------
  Subtotal                                         118,024    78,247    47,972

Non-deductible
 acquisition costs                                       -         -     2,326
- --------------------------------------------------------------------------------
   Total                                          $118,024   $78,247   $50,298
================================================================================
</TABLE> 
 
     The components of the net deferred tax asset are as follows:

<TABLE> 
<CAPTION> 
                                                               September 30,
- --------------------------------------------------------------------------------
(in thousands)                                                1997      1996
- --------------------------------------------------------------------------------
<S>                                                       <C>        <C> 
DEFERRED TAX ASSETS:                        

Reserves not currently deductible                         $  2,117   $ 2,901

Depreciation                                                   854       278

Net operating loss carryforwards                               730     1,882

Amortization of intangible assets                           14,979    18,565

Other                                                        2,390     1,149
- --------------------------------------------------------------------------------
  Total deferred tax assets                                 21,070    24,775
- --------------------------------------------------------------------------------
DEFERRED TAX LIABILITIES:                   

Capitalized software                                          (299)     (563)
                                            
Other                                                       (1,163)     (643)
- --------------------------------------------------------------------------------
  Total deferred tax liabilities                            (1,462)   (1,206)
- --------------------------------------------------------------------------------
Valuation allowance                                           (662)     (662)
- --------------------------------------------------------------------------------
Net deferred tax asset                                    $ 18,946   $22,907
================================================================================
</TABLE>

     The net operating loss carryforwards of $2,186,000 at September 30, 1997
will expire in fiscal 2000. Ownership changes, as defined in the Internal
Revenue Code of 1986, as amended, limit the amount of the net operating loss
carryforwards that can be utilized annually. The Company has recorded a
valuation allowance for the tax benefit of certain foreign net operating loss
carryforwards since realization of these future benefits is not sufficiently
assured at September 30, 1997.

F. COMMON STOCK

On February 13, 1997, the stockholders approved an amendment to the Company's
Articles of Organization to increase the number of authorized shares of the
Company's common stock from 215,000,000 to 350,000,000.

     On February 8, 1996, the Company's Board of Directors declared a one-
for-one stock dividend on all shares of common stock, which became effective on
February 29, 1996 to all stockholders of record on February 22, 1996. These
financial statements and related notes have been retroactively adjusted, as
appropriate, to reflect this one-for-one stock dividend.

     On May 12, 1994, the Company announced that its Board of Directors had
authorized a plan that allowed the Company to repurchase up to 6,000,000 shares
of its common stock. During fiscal 1997, the Company repurchased 3,720,000
shares at a cost of $184,780,000, of which 524,000 remained in treasury at
September 30, 1997, to partially offset the dilution caused by the exercise of
stock options under the Company's option plans and the purchase of shares under
the employee stock purchase plan. During fiscal 1996, the Company repurchased
1,779,000 shares at a cost of $66,563,000. Since the inception of the plan, the
Company has repurchased 5,813,000 shares. On September 11, 1997, the Company
announced that its Board of Directors had authorized an increase in the number
of shares of common stock that the Company may repurchase under the repurchase
program from 6,000,000 to 12,000,000 shares. In anticipation of the
Computervision acquisition (see Note K), the Company has suspended repurchases
and the Board of Directors has rescinded authorization of the repurchase
program.

Parametric Technology Corporation                                             39
<PAGE>
 
Notes to Consolidated Financial Statements




G. STOCK PLANS

Stock Options

Under the 1987 Incentive Stock Option Plan (the "Stock Option Plan"), the Board
of Directors may grant options to key employees to purchase shares at an option
exercise price equal to the fair market value on the date of grant. The options
are exercisable at such times, in installments or otherwise, as the Board of
Directors may determine. Generally, these options vest ratably over a period of
four years and expire ten years from the date of grant. The Stock Option Plan
limits the number of options that may be granted to any eligible employee in any
fiscal year to 1,000,000 options. In fiscal 1996, the stockholders approved an
increase in the number of shares issuable under this plan from 42,792,000 to
48,792,000 and a change to the designation of persons eligible to receive
options under the Stock Option Plan to include consultants.

     On February 13, 1997, the stockholders approved the 1997 Incentive Stock
Option Plan (the "1997 Stock Option Plan") for which 6,000,000 shares of common
stock have been reserved, and the Board of Directors also approved the 1997 Non-
Qualified Stock Option Plan (the "1997 Non-Qualified Plan") for which 3,100,000
shares of common stock have been reserved. The 1997 Stock Option Plan and the
1997 Non-Qualified Plan (collectively the "1997 Plans") replace and essentially
have the same terms and conditions as the Stock Option Plan. No additional
options will be granted under the Stock Option Plan, but the rights and
privileges of holders of outstanding options under the Stock Option Plan will
continue under the terms of that plan. Under the 1997 Plans, the Board of
Directors may grant options to employees and consultants to purchase shares at a
price equal to the fair market value on the date of grant. Persons subject to
Section 16 of the Exchange Act of 1934, as amended, are not eligible to receive
options under the 1997 Non-Qualified Plan. The options are exercisable at such
time, in installments or otherwise, as the Board of Directors may determine.
Generally, these options vest ratably over a period of four years and expire ten
years from the date of grant.

     Under the 1992 Director Stock Option Plan (the "1992 Director Plan"),
640,000 shares of common stock have been reserved. The purpose of the 1992
Director Plan is to attract and retain qualified persons who are not also
officers or employees of the Company (the "Eligible Directors") to serve as
Directors of the Company and to encourage stock ownership in the Company by such
Directors. Options granted under the 1992 Director Plan, at an option price
equal to the fair market value on the date of grant, shall become exercisable in
four equal annual installments following the date of grant if, and only if, the
optionee is a Director of the Company on such anniversary date. The options
expire ten years from the date of grant. Options to purchase 80,000 shares of
common stock were granted in fiscal 1995 to Eligible Directors of the Company.

     In fiscal 1996, the stockholders approved the 1996 Director Stock Option
Plan (the "1996 Director Plan") for which 180,000 shares of common stock have
been reserved. The 1996 Director Plan replaces the 1992 Director Plan. The terms
of the 1996 Director Plan are essentially the same as the 1992 Director Plan,
except that each Eligible Director is automatically granted options to purchase
20,000 shares of common stock at the time of initial election to the Board of
Directors, and immediately following the meeting of stockholders every year,
each Eligible Director continuing in office after such meeting will
automatically be granted options to purchase 5,000 shares of common stock. No
additional options will be granted under the 1992 Director Plan, but the rights
and privileges of holders of outstanding options under the 1992 Director Plan
are not adversely affected by the 1996 Director Plan.

     In conjunction with the Rasna merger, the Company assumed 1,045,000
outstanding options on August 1, 1995. These assumed options were granted at
prices equal to the fair market value at the date of grant, become exercisable
in installments (generally ratably over four years) and expire ten years from
the date of grant. The Company does not intend to issue any additional options
under the Rasna stock option plan. At September 30, 1997, options remaining
under the assumed plan were approximately 173,000.

40
<PAGE>
 
     The following table summarizes stock option transactions under all plans:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                                                                     Weighted
                                                                      average
                                                      Shares   exercise price
- --------------------------------------------------------------------------------
<S>                                               <C>          <C>
Outstanding at                                                
 September 30, 1994                               14,851,258           $10.32
- --------------------------------------------------------------------------------
 Granted and                                                  
  assumed                                          6,418,626            24.41
 Canceled                                           (883,518)           15.00
 Exercised                                        (4,324,704)            6.89
- --------------------------------------------------------------------------------
Outstanding at                                                
 September 30, 1995                               16,061,662            16.72
- --------------------------------------------------------------------------------
 Granted                                           5,139,750            38.82
 Canceled                                         (1,381,180)           21.93
 Exercised                                        (3,842,020)           10.38
- --------------------------------------------------------------------------------
Outstanding at                                                
 September 30, 1996                               15,978,212            24.99
- --------------------------------------------------------------------------------
 Granted                                           7,914,500            49.07
 Canceled                                         (1,614,834)           36.17
 Exercised                                        (3,737,492)           16.19
- --------------------------------------------------------------------------------
Outstanding at                                                
 September 30, 1997                               18,540,386           $36.18
================================================================================
</TABLE>                                                     

     Options available for grant at September 30, 1997 were 3,949,000. Options
exercisable at September 30, 1997 were 4,635,000 as compared with 4,554,000 and
2,354,000 for fiscal 1996 and 1995, respectively. The average exercise price for
options exercisable at September 30, 1997 was $22.57 as compared with $14.35 and
$8.19 for fiscal 1996 and 1995, respectively.

     Certain employees have disposed of stock acquired through the exercise of
incentive stock options earlier than the mandatory holding period required for
such options. The tax benefits allowed to the Company because of these
dispositions, together with the tax benefits realized from the exercise of
nonqualified stock options, have been recorded as increases to additional
paid-in capital.

     For various price ranges, weighted average information for options
outstanding at September 30, 1997 were as follows:

<TABLE>
<CAPTION>
                                                             OUTSTANDING OPTIONS
- --------------------------------------------------------------------------------
                                      Weighted average
Range of per share                      remaining life          Weighted average
exercise prices        Shares                (in years)           exercise price
- --------------------------------------------------------------------------------
<S>                 <C>               <C>                       <C>    
$ 0.01 - 11.31        887,295                     3.67                    $5.55
$11.32 - 21.81      4,282,215                     7.06                    18.55
$21.82 - 35.00      3,871,949                     8.12                    32.37
$35.01 - 45.25      3,812,702                     9.35                    43.93
$45.26 - 50.88      3,678,275                     9.49                    48.40
$50.89 - 60.56      2,007,950                     9.15                    54.93
</TABLE>


<TABLE>
<CAPTION>
                                                             EXERCISABLE OPTIONS
- --------------------------------------------------------------------------------
Range of per share                                              Weighted average
exercise prices                            Shares                 exercise price
- --------------------------------------------------------------------------------
<S>                                     <C>                     <C>    
$ 0.01 - 11.31                            843,526                        $ 5.55
$11.32 - 21.81                          2,079,290                         17.90
$21.82 - 35.00                          1,217,990                         31.60
$35.01 - 45.25                            446,572                         44.13
$45.26 - 50.88                             47,241                         48.51
$50.89 - 60.56                                  -                             -
- --------------------------------------------------------------------------------
</TABLE>

     These options will expire if not exercised at specific dates ranging from
January 1998 to September 2007. A total of 22,489,136 shares of the Company's
common stock have been reserved for future issuance under stock option plans.


Stock Purchase Plan

The 1991 Employee Stock Purchase Plan (the "1991 Purchase Plan") enables
eligible employees to purchase the Company's common stock at 85% of the fair
market value of the stock on the date an offering commences or on the date an
offering terminates, whichever value is lower. The 1991 Purchase Plan covers
substantially all employees, subject to certain limitations. Each employee may
elect to have up to 10% of his or her base pay withheld and applied toward the
purchase of shares in such offering (provided that the aggregate amount of his
or her base pay withheld may not exceed $10,000 in any fiscal year). The 1991
Purchase Plan covers an aggregate of up to 2,000,000 shares of common stock to
be issued and sold to participating employees of the Company through a series of
six-month offerings, beginning April 1, 1991. Purchases under the 1991 Purchase
Plan for fiscal 1997, 1996 and 1995 were 176,705, 169,425 and 154,722 shares,
generating proceeds to the Company of $6,488,000, $4,906,000 and $2,459,000,
respectively. In fiscal 1997, the average purchase price was $36.82. At
September 30, 1997, approximately 933,000 shares of common stock were reserved
for purchases under the 1991 Purchase Plan.


Stock Plans Valuation

The Company has adopted Statement of Financial Accounting Standards ("SFAS") No.
123 - "Accounting for Stock-Based Compensation," issued in October 1995. In
accordance with SFAS No. 123, the Company applies Accounting Principles Board
Opinion No. 25 and related Interpretations in accounting for its option plans,
and 

Parametric Technology Corporation                                             41
<PAGE>
 
Notes to Consolidated Financial Statements



accordingly does not record compensation costs. Pro forma information regarding
net income and net income per share is required to be determined as if the
Company had accounted for its stock options (including shares issued under the
1991 Purchase Plan, collectively called "options") under the fair value method
of SFAS No. 123. The fair value of the options granted has been estimated at the
date of grant using a Black-Scholes option pricing model assuming an expected
life of five years (.5 years for 1991 Purchase Plan shares), no dividends,
volatility of .40, and risk-free interest rates of 6.2%, 6.0% and 6.5% in 1997,
1996 and 1995, respectively.

     For purposes of pro forma disclosure, the estimated fair value of the
options is amortized to expense over the options' vesting period. Had
compensation cost for options been determined based on the Black-Scholes option
pricing model at the grant date as prescribed by SFAS No. 123, pro forma
information would have been:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
(in thousands except per share data)         1997           1996           1995
- --------------------------------------------------------------------------------
<S>                                      <C>            <C>             <C>
Net income -
 as reported                             $219,185       $137,910        $77,362
Net income -                                                            
 pro forma                                168,250        105,060         59,844
Net income per share -                                                  
 as reported                                 1.64           1.04           0.60
Net income per share -                                                  
 pro forma                                   1.31           0.82           0.48
</TABLE>                                                          
                               
     The pro forma disclosures above include the amortization of the fair value
of all options vested during 1997, 1996 and 1995. If only options granted during
1997 and 1996 were valued, as prescribed by SFAS No. 123, pro forma net income
would have been $185,696,000 and $126,820,000, and pro forma net income per
share would have been $1.44 and $0.97 for 1997 and 1996, respectively.

     The Black-Scholes option pricing model was developed for use in estimating
the fair value of traded options that have no vesting restrictions and are fully
transferable. In addition, option valuation models require the input of highly
subjective assumptions, including the expected stock price volatility. Because
the Company's options have characteristics significantly different from those of
traded options, and because changes in the subjective input assumptions can
materially affect the fair value estimate, in the opinion of management, the
existing models do not necessarily provide a reliable measure of the fair value
of its options. The weighted average estimated fair value of employee stock
options granted during fiscal years 1997, 1996 and 1995 was $22.33, $17.35 and
$11.06 per share, respectively. The weighted average estimated fair value of
shares granted under the 1991 Purchase Plan during fiscal years 1997, 1996 and
1995 was $12.26, $9.25 and $5.04 per share, respectively.

     The effects on pro forma disclosures of applying SFAS No. 123 are not
necessarily representative of the effects on pro forma disclosures of future
years.


H. EMPLOYEE BENEFIT PLAN

The Board of Directors in 1989 adopted the Parametric Technology Corporation
401(k) Savings Plan (the "Plan"), which is intended to qualify under Section
401(k) of the Internal Revenue Code of 1986, as amended. The Plan covers
substantially all employees. Each employee may elect to contribute to the Plan,
through payroll deductions, up to 15% of his or her salary, subject to certain
limitations. The Company makes matching contributions on behalf of each
participating employee in an amount equal to 50% of the amount contributed by
the employee up to a maximum 10% employee contribution. The employee's
entitlement to such Company contributions vests at a rate of 25% per year of
service. For the fiscal years ended September 30, 1997, 1996 and 1995, the
Company made matching contributions to the Plan which totaled $2,293,000,
$1,867,000 and $1,034,000, respectively.

42
<PAGE>
 
I. SUPPLEMENTAL CASH FLOW INFORMATION

Cash paid for income taxes in fiscal 1997, 1996 and 1995 was $55,037,000,
$38,853,000 and $40,281,000, respectively. During fiscal 1997, the Company did
not acquire any fixed assets under capital leases.


J. COMMITMENTS AND CONTINGENCIES

Leasing Arrangements

The Company leases its office facilities and certain equipment under operating
leases expiring at various dates through fiscal 2003. The Company also leases
computer equipment under capital leases that expire through fiscal 1999.

     At September 30, 1997, future minimum lease payments under capital and
operating leases with initial or remaining terms of one or more years are as
follows:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                                              Capital                 Operating
(in thousands)                                 Leases                    Leases
- --------------------------------------------------------------------------------
<S>                                           <C>        <C>
1998                                              $37                   $34,214
1999                                                2                    23,080
2000                                                -                    13,047
2001                                                -                     6,091
2002                                                -                     3,134
Subsequent to 2002                                  -                     2,236
- --------------------------------------------------------------------------------
Total minimum lease payments                       39                   $81,802
                                                         =======================
Less amounts                                    
 representing interest                             (2)
- ------------------------------------------------------
Present value of net                            
 minimum lease payments                           $37
======================================================
</TABLE>                              

     Rental expense under operating leases was $30,460,000, $21,520,000 and
$15,186,000 for the fiscal years ended September 30, 1997, 1996 and 1995,
respectively.


Legal Proceedings

The Company is subject to various legal proceedings and claims that arise in the
ordinary course of business. Management currently believes that resolving these
matters will not have a material adverse impact on the Company's financial
position or its results of operations.


K. SUBSEQUENT EVENT

On November 4, 1997, the Company announced that it had entered into an agreement
to acquire Computervision Corporation ("Computervision") in a stock-for-stock
transaction. Based on the November 3, 1997 closing price of the Company's stock,
the aggregate equity value of the transaction is approximately $260,000,000. The
Company will also assume approximately $240,000,000 in debt from Computervision.

     Under the terms of the proposed transaction, each share of Computervision
common stock will be exchanged for .0866 shares of the Company's common stock
and Computervision will become a wholly-owned subsidiary of the Company. The
transaction is intended to be accounted for as a pooling of interests and to
qualify as a tax-free reorganization. Subject to several conditions, including
approval of Computervision's shareholders, the transaction is expected to close
in the second quarter of fiscal 1998. The Company expects to recognize a non-
recurring charge of approximately $75,000,000 to $95,000,000 related to certain
merger-related, debt prepayment, consolidation and integration expenses during
the quarter in which the transaction closes.


L. SEGMENT AND GEOGRAPHIC INFORMATION

The Company is engaged in one industry segment: the development, marketing and
support of software products for the mechanical segment of the CAD/CAM/CAE
(computer-aided design, manufacturing and engineering) industry.

     The Company licenses products to customers on a worldwide basis. Sales and
marketing operations outside the United States are conducted principally through
the Company's foreign sales subsidiaries throughout Europe and Asia/Pacific.

     Intercompany sales and transfers between geographic areas are accounted for
at prices which are designed to be representative of unaffiliated party
transactions.

Parametric Technology Corporation                                             43
<PAGE>
 
Notes to Consolidated Financial Statements

<TABLE>
<CAPTION>
                                          North America         Europe   Asia/Pacific       Corporate   Eliminations          Total
- ------------------------------------------------------------------------------------------------------------------------------------
(amounts in thousands)                                                                                Year ended September 30, 1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                       <C>                 <C>        <C>                <C>         <C>                <C>
Revenue from unaffiliated customers:
 License                                       $255,695       $146,164       $ 79,207                                      $481,066
 Service                                        114,981         59,884         25,150                                       200,015
Revenue from unaffiliated export:                            
 Europe                                          66,077                                                                      66,077
 Asia/Pacific                                    61,638                                                                      61,638
 Intercompany revenue                           277,428         46,604         34,302                      $(358,334)            --
- ------------------------------------------------------------------------------------------------------------------------------------
  Total revenue                                 775,819        252,652        138,659                       (358,334)       808,796
- ------------------------------------------------------------------------------------------------------------------------------------
Operating income                                313,373          5,926          7,285                                       326,584
Other income (expense)                           (2,999)          (567)           354        $ 13,837                        10,625
- ------------------------------------------------------------------------------------------------------------------------------------
Income before income taxes                      310,374          5,359          7,639          13,837                       337,209
- ------------------------------------------------------------------------------------------------------------------------------------
Identifiable assets                             666,334         75,019         46,060         399,769       (354,759)       832,423
====================================================================================================================================

 
 
- ------------------------------------------------------------------------------------------------------------------------------------
(amounts in thousands)                                                                                Year ended September 30, 1996
- ------------------------------------------------------------------------------------------------------------------------------------
Revenue from unaffiliated customers:
 License                                       $182,494       $115,424       $ 75,970                                      $373,888
 Service                                         82,386         43,804         15,507                                       141,697
Revenue from unaffiliated export:
 Europe                                          48,583                                                                      48,583
 Asia/Pacific                                    35,954                                                                      35,954
Intercompany revenue                            167,800         29,006         18,835                      $(215,641)            --
- ------------------------------------------------------------------------------------------------------------------------------------
  Total revenue                                 517,217        188,234        110,312                       (215,641)       600,122
- ------------------------------------------------------------------------------------------------------------------------------------
Operating income                                182,656         12,048          9,952                                       204,656
Other income (expense)                            1,177           (418)           (17)       $ 10,759                        11,501
- ------------------------------------------------------------------------------------------------------------------------------------
Income before income taxes                      183,833         11,630          9,935          10,759                       216,157
- ------------------------------------------------------------------------------------------------------------------------------------
Identifiable assets                             564,107         65,612         37,282         328,037       (335,821)       659,217
====================================================================================================================================

 
 
- ------------------------------------------------------------------------------------------------------------------------------------
(amounts in thousands)                                                                                Year ended September 30, 1995
- ------------------------------------------------------------------------------------------------------------------------------------
Revenue from unaffiliated customers:
 License                                       $134,412       $ 76,871       $ 36,739                                      $248,022
 Service                                         63,427         28,484          9,230                                       101,141
Revenue from unaffiliated export:                             
 Europe                                          28,518                                                                      28,518
 Asia/Pacific                                    16,629                                                                      16,629
Intercompany revenue                             92,339         19,422          7,306                      $(119,067)            --
- ------------------------------------------------------------------------------------------------------------------------------------
  Total revenue                                 335,325        124,777         53,275                       (119,067)       394,310
- ------------------------------------------------------------------------------------------------------------------------------------
Operating income                                112,620          2,547          3,464                                       118,631
Other income (expense)                            1,794           (790)          (226)       $  8,251                         9,029
- ------------------------------------------------------------------------------------------------------------------------------------
Income before income taxes                      114,414          1,757          3,238           8,251                       127,660
- ------------------------------------------------------------------------------------------------------------------------------------
Identifiable assets                             403,247         46,224         19,263         242,568       (257,575)       453,727
====================================================================================================================================
</TABLE>

44
<PAGE>
 
Report of Independent Accountants


TO THE STOCKHOLDERS AND BOARD OF DIRECTORS OF
PARAMETRIC TECHNOLOGY CORPORATION:

     We have audited the accompanying consolidated balance sheets of Parametric
Technology Corporation as of September 30, 1997 and 1996, and the related
consolidated statements of income, stockholders' equity, and cash flows for the
years then ended. 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. The financial statements of Parametric
Technology Corporation for the year ended September 30, 1995, were audited by
other auditors whose report dated October 19, 1995, except as to Notes F and G
which are as of November 17, 1995, expressed an unqualified opinion on those
statements.

     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 1997 and 1996 financial statements referred to above
present fairly, in all material respects, the consolidated financial position of
Parametric Technology Corporation as of September 30, 1997 and 1996, and the
consolidated results of its operations and its cash flows for the years then
ended in conformity with generally accepted accounting principles.


                                                    /s/ Coopers & Lybrand L.L.P.

                                                        Coopers & Lybrand L.L.P.

Boston, Massachusetts
October 15, 1997, except for Note K,
as to which the date is November 4, 1997


Parametric Technology Corporation                                            45
<PAGE>
 
Selected Financial Data/(1)/

<TABLE>
<CAPTION>

FIVE YEAR SUMMARY OF SELECTED FINANCIAL DATA                                        YEAR ENDED SEPTEMBER 30,
- ------------------------------------------------------------------------------------------------------------ 
(in thousands, except per share data)                   1997        1996        1995       1994         1993
- ------------------------------------------------------------------------------------------------------------ 
<S>                                                 <C>       <C>          <C>         <C>          <C>
Revenue                                             $808,796    $600,122    $394,310   $266,974     $179,311
Operating income                                     326,584     204,656     118,631    103,362       66,502
Net income                                           219,185     137,910      77,362     68,089       43,470
Net income per share/(2)/                               1.64        1.04        0.60       0.54         0.36
Weighted average number of                                                                     
 common and dilutive                                                                           
 common equivalent shares                                                                      
 outstanding/(2)/                                    133,558     133,211     129,046    125,051      122,424
Total assets                                         832,423     659,217     453,727    305,125      190,975
Working capital                                      503,983     416,058     317,702    229,878      137,581
Stockholders' equity                                 644,795     512,432     370,929    251,178      154,655
Excluding acquisition and related costs:/(3)/                                                                      
 Net income                                          219,185     158,402      98,500     68,089       43,470
 Net income per share/(2)/                              1.64        1.19        0.76       0.54         0.36

<CAPTION>   
QUARTERLY FINANCIAL INFORMATION (UNAUDITED)                                              FISCAL QUARTER ENDED
- ------------------------------------------------------------------------------------------------------------- 
                                                            September 30,    June 28,  March 29, December 28,
(in thousands, except per share data)                               1997        1997       1997         1996
- -------------------------------------------------------------------------------------------------------------  
<S>                                                         <C>             <C>        <C>       <C> 
Revenue                                                         $220,169    $207,114   $198,012     $183,501
Gross profit                                                     199,295     187,605    179,451      165,953
Operating income                                                  90,398      83,556     79,177       73,453
Net income                                                        60,488      56,188     53,058       49,451
Net income per share/(2)/                                           0.46        0.42       0.39         0.37
Common stock prices:/(4)/                                                                       
 High                                                              53.50       48.88      62.50        56.38
 Low                                                               41.25       39.31      46.50        48.25
<CAPTION>                                                                                                 
                                                                                         FISCAL QUARTER ENDED    
- -------------------------------------------------------------------------------------------------------------   
                                                            September 30,    June 29,  March 30, December 30,   
(in thousands, except per share data)                               1996        1996       1996         1995
- -------------------------------------------------------------------------------------------------------------   
<S>                                                         <C>             <C>        <C>       <C> 
Revenue                                                         $177,128    $157,104   $140,493     $125,397
Gross profit                                                     160,607     143,014    127,104      112,943
Operating income                                                  38,664      62,173     55,086       48,733
Net income                                                        26,433      41,620     36,837       33,020
Net income per share/(2)/                                           0.20        0.31       0.28         0.25
Excluding acquisition and related costs:/(3)/                                                                            
 Net income                                                       46,925      41,620     36,837       33,020
 Net income per share/(2)/                                          0.35        0.31       0.28         0.25
Common stock prices:/(4)/                                                                       
 High                                                              51.63       48.75      39.13        35.63
 Low                                                               37.38       34.38      27.13        27.38
</TABLE>

(1) All financial information presented here has been retroactively restated to
reflect the fiscal 1995 Rasna merger that has been accounted for as a pooling of
interests. See Note A of Notes to Consolidated Financial Statements for
additional information.

(2) Per-share data and weighted average number of common and dilutive common
equivalent shares outstanding have been retroactively adjusted to reflect the
one-for-one stock dividends on all shares of capital stock declared by the
Company's Board of Directors on February 4, 1993 and February 8, 1996, effective
February 25, 1993 and February 29, 1996, respectively.

(3) The acquisition and related costs consist of $32,119 in the fourth quarter
of fiscal 1996 related to the acquisition of Reflex technology, $10,438 related
to the merger of Rasna Corporation into the Company in the fourth quarter of
fiscal 1995 and $19,000 in the third quarter of fiscal 1995 related to its
acquisition of the Conceptual Design and Rendering System software business. See
Note B of Notes to Consolidated Financial Statements for additional information.

(4) The common stock of the Company is traded on the Nasdaq National Market
under the symbol "PMTC". The common stock prices shown are based on the
Nasdaq daily closing stock price.

46
<PAGE>
 
Supplemental Financial Information


The Company has not paid cash dividends on its common stock and has historically
retained earnings for use in its business. The Company intends to review its
policy with respect to the payment of dividends from time to time; however,
there can be no assurance that any dividends will be paid in the future.

  On September 30, 1997, the number of stockholders of record of the Company's
common stock was 4,489.

Investor Information
Requests for information about the Company
should be directed to:
John Hudson, Vice President of Investor Relations
Parametric Technology Corporation
128 Technology Drive, Waltham, MA 02154
Telephone: (781) 398-5000

Report on Form 10-K

Stockholders may obtain additional financial information about Parametric
Technology from the Company's Report on Form 10-K filed with the Securities and
Exchange Commission. Copies are available from the Company without charge upon
written request.

Annual Meeting

The Annual Meeting of Stockholders will be held on February 12, 1998 at 9:00
A.M. at: Parametric Technology Corporation, 128 Technology Drive, Waltham, MA
02154.

Stock Listing
Nasdaq National Market Symbol: PMTC

Internet Access
http://www.ptc.com

General Counsel
Palmer & Dodge LLP, Boston, MA

Independent Accountants
Coopers & Lybrand L.L.P., Boston, MA

Transfer Agent and Registrar
American Stock Transfer & Trust Company

Directors
Steven C. Walske
Chairman and Chief Executive Officer
Parametric Technology Corporation

C. Richard Harrison
President and Chief Operating Officer
Parametric Technology Corporation

Robert N. Goldman
Chief Executive Officer and President
Object Design Inc., a software developer

Donald K. Grierson
Chief Executive Officer and President
ABB Vetco Gray, Inc., an oil services business

Oscar B. Marx, III
Chief Executive Officer and President
TMW Enterprises, an autoparts business

Michael E. Porter
Professor
Harvard Business School, an educational institution

Noel G. Posternak
Senior Partner
Posternak, Blankstein & Lund L.L.P., a law firm


Corporate Officers

Steven C. Walske
Chairman of the Board of Directors and
Chief Executive Officer

C. Richard Harrison
President and Chief Operating Officer

Edwin J. Gillis
Executive Vice President of Finance and Administration
Chief Financial Officer and Treasurer

John D. McMahon
Executive Vice President of Worldwide Sales

James F. Kelliher
Senior Vice President of Finance

Martha L. Durcan
Vice President, Corporate Counsel and Clerk

John G. Mokas
Director of Treasury and Finance
and Assistant Treasurer


Parametric Technology Corporation, Pro/ENGINEER and Pro/MECHANICA are registered
trademarks of Parametric Technology Corporation in the United States and other
countries. Parametric Technology, PTC, the PTC logo, and all product names in
the PTC product family are trademarks of Parametric Technology Corporation in
the United States and other countries. All other companies and products
referenced herein have trademarks or registered trademarks of their respective
holders.

(C) Copyright 1997, Parametric Technology Corporation

Parametric Technology Corporation

<PAGE>
 
                                 EXHIBIT 21.1

                          Subsidiaries of the Company
                          ---------------------------
<TABLE> 
<CAPTION> 
          Name                                           Place of Incorporation
          ----                                           ----------------------
<S>                                                     <C> 
Parametric Holdings Inc.                                 Delaware
Parametric International, Inc.                           Delaware
Parametric Technology International Inc.                 Delaware
Parametric Securities Corporation                        Massachusetts
PTC International, Inc.                                  Massachusetts
PTC Acquisition Corporation                              Massachusetts
Parametric Technology Australia Pty Limited              Australia
Parametric Technology Gesellschaft m.b.H.                Austria
Parametric Foreign Sales Corporation                     Barbados
Parametric Technology (Belgium) b.v.b.a.                 Belgium
Parametric Technology Brasil Ltda.                       Brazil
Parametric Technology (Canada) Ltd.                      Canada
Parametric Technology (C.R.) s.r.o.                      Czech Republic
Parametric Technology (Denmark) A/S                      Denmark
Parametric Technology (Finland) Oy                       Finland
Parametric Technology S.A.                               France
Parametric Technology GmbH                               Germany
Parametric Technology (Hong Kong) Limited                Hong Kong
Parametric Technology (India) Private Limited            India
Parametric Technology (Republic of Ireland) Limited      Ireland
Parametric Technology Israel Ltd.                        Israel
Parametric Technology Italia S.r.l.                      Italy
Nihon Parametric Technology K.K.                         Japan
Parametric Korea Co., Ltd.                               Korea
Parametric Technology Europe B.V.                        The Netherlands
Parametric Technology Nederland B.V.                     The Netherlands
Parametric Technology New Zealand Limited                New Zealand
Parametric Technology (Norway) AS                        Norway
Parametric Technology Poland Sp. z o.o                   Poland
Parametric Technology Portugal-Computadores, Lda         Portugal
Parametric Technology Singapore Pte Ltd                  Singapore
Parametric Technology (Slovakia) s.r.o.                  Slovakia
Parametric Technology South Africa Pty. Limited          South Africa
Parametric Technology Espana, S.A.                       Spain
PTC Sweden AB                                            Sweden
Parametric Technology (Schweiz) AG                       Switzerland
Parametric Technology Taiwan Ltd.                        Taiwan
Parametric Technology (UK) Limited                       United Kingdom
</TABLE> 

<PAGE>
 
                                  EXHIBIT 23.1

                        Report of Independent Accountants
                       ----------------------------------

To the Stockholders and Board of Directors of Parametric Technology Corporation:

Our report on the consolidated financial statements of Parametric Technology
Corporation has been incorporated by reference in this Form 10-K from page 45 of
the 1997 Annual Report to Stockholders of Parametric Technology Corporation. In
connection with our audits of such financial statements, we have also audited
the related financial statement schedule listed in item 14(a)(2) on page 8 of
this Form 10-K.

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 required to be
included therein.





/S/COOPERS & LYBRAND L.L.P.
COOPERS & LYBRAND L.L.P.



Boston, Massachusetts
October 15, 1997, except for Note K,
as to which the date is November 4, 1997

<PAGE>
 
                                 EXHIBIT 23.2

                      Consent of Independent Accountants
                      ----------------------------------

We consent to the incorporation by reference in the registration statements of
Parametric Technology Corporation on Form S-8 (File Nos. 333-01297, 333-01299,
33-52044, 33-89528, 33-61485, 333-38629, 333-28495, and 333-22169) and Form S-4
(File No. 333-39959) of our reports dated October 15, 1997, except for Note K,
as to which the date is November 4, 1997, on our audits of the consolidated
financial statements and financial statement schedule of Parametric Technology
Corporation as of September 30, 1997 and 1996 and for the years then ended,
which reports are included or incorporated by reference in this 1997 Annual
Report on Form 10-K.






/S/COOPERS & LYBRAND L.L.P.
COOPERS & LYBRAND L.L.P.


Boston, Massachusetts
December 29, 1997

<PAGE>
 
                                 EXHIBIT 23.3

                       Report of Independent Accountants
                       ---------------------------------
To the Stockholders and Board of Directors of Parametric Technology Corporation:

In our opinion, the consolidated statements of income, of changes in
stockholders' equity and of cash flows for the year ended September 30, 1995
(appearing on pages 32 through 34 of the Parametric Technology Corporation 1997
Annual Report to Stockholders which has been incorporated by reference in this
Annual Report on Form 10-K) present fairly, in all material respects, the
results of operations and cash flows of Parametric Technology Corporation and
its subsidiaries for the year ended September 30, 1995, in conformity with
generally accepted accounting principles. 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 audit. We conducted our audit
of these statements in accordance with the generally accepted auditing standards
which 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, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation. We believe that our audit provides a
reasonable basis for the opinion expressed above. We have not audited the
consolidated financial statements of Parametric Technology Corporation for any
period subsequent to September 30, 1995.







/S/ PRICE WATERHOUSE LLP
PRICE WATERHOUSE LLP

Boston, Massachusetts
October 19, 1995,
except as to Notes F and G
which are as of November 17, 1995

<PAGE>
 
                                  EXHIBIT 23.4

       Report of Independent Accountants on Financial Statement Schedule
       -----------------------------------------------------------------

To the Stockholders and Board of Directors of Parametric Technology Corporation:

Our audit of the consolidated financial statements referred to in our report
dated October 19, 1995, except as to Notes F and G which are as of November 17,
1995 (which report appears as Exhibit 23.3 in this Form 10-K and which
consolidated financial statements are incorporated by reference in this Form 10-
K) also included an audit of the Financial Statement Schedule listed in Item
14(a)2 of this Form 10-K for the year ended September 30, 1995. In our opinion,
this Financial Statement Schedule presents fairly, in all material respects, the
information set forth therein when read in conjunction with the related
consolidated financial statements. We have not audited the consolidated
financial statements of Parametric Technology Corporation for any period
subsequent to September 30, 1995.






/S/ PRICE WATERHOUSE LLP
PRICE WATERHOUSE LLP

Boston, Massachusetts
October 19, 1995,
except as to Notes F and G
which are as of November 17, 1995

<PAGE>
 
                                  EXHIBIT 23.5

                      Consent of Independent Accountants
                      ----------------------------------



We hereby consent to the incorporation by reference in the Prospectus 
constituting part of the Registration Statement on Form S-4 (File No. 333-39959)
and the Registration Statements on Form S-8 (File Nos. 333-01297, 333-01299, 33-
52044, 33-89528, 33-61485, 333-38629, 333-28495, and 333-22169) of Parametric
Technology Corporation and its subsidiaries of our report dated October 19,
1995, except as to Notes F and G which are dated November 17, 1995, which
appears as Exhibit 23.3 in this Form 10-K. We also consent to the incorporation
by reference of our report on the Financial Statement Schedule, which appears as
Exhibit 23.4 in this Form 10-K.






/S/ PRICE WATERHOUSE LLP
PRICE WATERHOUSE LLP

Boston, Massachusetts
December 23, 1997

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN THE FORM 10-K FOR THE FISCAL YEAR ENDED
SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          SEP-30-1997
<PERIOD-START>                             OCT-01-1996
<PERIOD-END>                               SEP-30-1997
<CASH>                                         154,228
<SECURITIES>                                   354,516
<RECEIVABLES>                                  157,526
<ALLOWANCES>                                     2,749
<INVENTORY>                                          0
<CURRENT-ASSETS>                               691,141
<PP&E>                                          94,150
<DEPRECIATION>                                  46,646
<TOTAL-ASSETS>                                 832,423
<CURRENT-LIABILITIES>                          187,158
<BONDS>                                              0
                                0
                                          0
<COMMON>                                         1,281
<OTHER-SE>                                     643,514
<TOTAL-LIABILITY-AND-EQUITY>                   832,423
<SALES>                                        591,849
<TOTAL-REVENUES>                               808,796
<CGS>                                            8,233
<TOTAL-COSTS>                                   76,492
<OTHER-EXPENSES>                               405,720
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                337,209
<INCOME-TAX>                                   118,024
<INCOME-CONTINUING>                            219,185
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   219,185
<EPS-PRIMARY>                                     1.64
<EPS-DILUTED>                                     1.64
        
 


</TABLE>


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