PRI AUTOMATION INC
DEFS14A, 1997-12-19
SPECIAL INDUSTRY MACHINERY, NEC
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<PAGE>
 
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                                 SCHEDULE 14A
                                (RULE 14A-101)
 
                    INFORMATION REQUIRED IN PROXY STATEMENT
 
                           SCHEDULE 14A INFORMATION
  PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF
                          1934 (AMENDMENT NO.  ) 
 
Filed by the Registrant [X]
Filed by a Party other than the Registrant [_]
 
Check the appropriate box:
                                          
[_] Preliminary Proxy Statement           [_] Confidential, For Use of the
                                              Commission Only (as permitted by
[X] Definitive Proxy Statement                Rule 14a-6(e)(2))     
[_] Definitive Additional Materials
[_] Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12
 
                             PRI AUTOMATION, INC.
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               (Name of Registrant as Specified in Its Charter)
 
- -------------------------------------------------------------------------------
   (Name of Person(s) Filing Proxy Statement, If Other Than the Registrant)
 
Payment of Filing Fee (Check the appropriate box):
 
[_] No fee required.
   
[_] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
    
  (1) Title of each class of securities to which transaction applies:
       
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  (2) Aggregate number of securities to which transaction applies:
       
    -------------------------------------------------------------------------
 
  (3) Per unit price or other underlying value of transaction computed
      pursuant to Exchange Act Rule 0-11 (set forth the amount on which the
      filing fee is calculated and state how it was determined):
       
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  (4) Proposed maximum aggregate value of transaction:
       
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  (5) Total fee paid:
       
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[X] Fee paid previously with preliminary materials:     
    
 Fee of $33,384.75 paid with preliminary Proxy Statement filed on November 24,
                                   1997     
  -----------------------------------------------------------------------------
[_] Check box if any part of the fee is offset as provided by Exchange Act
  Rule 0-11(a)(2) and identify the filing for which the offsetting fee was
  paid previously. Identify the previous filing by registration statement
  number or the form or schedule and the date of its filing.
 
  (1) Amount previously paid:
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  (2) Form, Schedule or Registration Statement no:
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  (3) Filing Party:
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  (4) Date Filed:
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<PAGE>
 
       
LOGO
                             PRI AUTOMATION, INC.
                            805 MIDDLESEX TURNPIKE
                      BILLERICA, MASSACHUSETTS 01821-3986
                                (978) 670-4270
 
                                                              December 17, 1997
 
Dear PRI Stockholder:
 
  You are cordially invited to attend a Special Meeting of Stockholders (the
"Special Meeting") of PRI Automation, Inc., a Massachusetts corporation
("PRI"), to be held at 10:00 a.m., local time, on Friday, January 16, 1998, at
the offices of Foley, Hoag & Eliot LLP, One Post Office Square, Boston,
Massachusetts.
   
  At the Special Meeting, you will be asked to approve the issuance of shares
of PRI common stock, par value $.01 (the "PRI Common Stock"), in connection
with PRI's acquisition of Equipe Technologies, Inc., a California corporation
("Equipe"), and two related corporations (collectively, the "Acquisition"). In
the Acquisition, PRI expects to (i) issue 4,088,020 shares of PRI Common Stock
to holders of outstanding Equipe Common Stock, (ii) issue 276,000 shares of
PRI Common Stock to holders of outstanding stock of the related corporations,
(iii) assume outstanding options to purchase Equipe Common Stock, which will
be converted into options to purchase an aggregate of 129,646 shares of PRI
Common Stock, and (iv) grant certain officers and employees of Equipe and the
related corporations new options to purchase an aggregate of 720,000 shares of
PRI Common Stock. The acquisition of Equipe will take place in accordance with
terms of the Agreement and Plan of Reorganization dated as of October 25, 1997
(the "Merger Agreement") by and among PRI, Equipe, a subsidiary of PRI and
certain stockholders of Equipe. A copy of the Merger Agreement appears as
Annex A to the accompanying Proxy Statement. The Merger Agreement has
previously been approved and adopted by the stockholders of Equipe. If the
requisite approval of the stockholders of PRI is received, the Acquisition is
expected to be consummated on or about January 21, 1997.     
   
  At the Special Meeting, you will also be asked to approve an increase in the
total number of authorized shares of PRI Common Stock from 24,000,000 to
50,000,000 shares (the "Charter Proposal"). The additional authorized shares
of PRI Common Stock will enable PRI to declare future stock splits and stock
dividends, raise capital or acquire property through the sale of stock,
acquire businesses through mergers or the exchange of stock, and attract and
retain valuable employees through the grant of stock-based compensation
awards.     
   
  Pursuant to the Merger Agreement, a subsidiary of PRI will be merged with
and into Equipe (the "Merger") and Equipe will become a wholly owned
subsidiary of PRI. In the Merger, PRI will issue 0.760372 shares of PRI Common
Stock for each outstanding share of Equipe Common Stock (the "Merger Ratio");
in the aggregate, PRI expects to issue 4,088,020 shares of PRI Common Stock to
holders of outstanding Equipe Common Stock. Equipe stockholders will receive
cash in lieu of any fractional shares that would otherwise be issued in the
Merger. PRI will issue 276,000 shares of PRI Common Stock in exchange for all
of the issued and outstanding capital stock of the two related corporations,
which will also become wholly owned subsidiaries of PRI.     
   
  Each outstanding option to purchase Equipe Common Stock will be converted
into an option to purchase a number of shares of PRI Common Stock determined
by multiplying the number of shares subject to the option by the Merger Ratio,
rounded up to the next largest whole number of shares, at an exercise price
equal to the exercise price of such option at the time of the Merger divided
by the Merger Ratio.     
   
  The new options to purchase 720,000 shares of PRI Common Stock will have an
exercise price equal to the last reported sale price per share of PRI Common
Stock on the Nasdaq National Market on the closing date of the Acquisition.
    
<PAGE>
 
   
  Based upon the number of shares of PRI Common Stock outstanding on October
31, 1997, the shares of PRI Common Stock to be issued or reserved for issuance
upon the exercise of options to be assumed or newly granted by PRI in
connection with the Acquisition would represent approximately 23.7% of the PRI
Common Stock to be outstanding immediately following the Acquisition, assuming
the exercise of all outstanding options to purchase PRI Common Stock. On
December 15, 1997, the last reported sale price per share of PRI Common Stock
on the Nasdaq National Market was $28.875.     
 
  Your Board of Directors has carefully reviewed and considered the terms and
conditions of the Acquisition and has received the opinion of Morgan Stanley &
Co. Incorporated, PRI's financial advisor, rendered orally on October 25, 1997
and subsequently confirmed in writing on October 26, 1997, that the
Consideration (as defined in the written opinion) to be paid by PRI pursuant
to the Merger Agreement and the related company acquisition agreements is fair
from a financial point of view to PRI. A copy of the written opinion of Morgan
Stanley & Co. Incorporated is attached as Annex B to the accompanying Proxy
Statement. THE BOARD OF DIRECTORS OF PRI HAS DETERMINED THAT THE ACQUISITION
IS FAIR TO AND IN THE BEST INTEREST OF PRI STOCKHOLDERS. ACCORDINGLY, THE
BOARD OF DIRECTORS HAS UNANIMOUSLY APPROVED THE ISSUANCE OF SHARES OF PRI
COMMON STOCK IN CONNECTION WITH THE ACQUISITION AND UNANIMOUSLY RECOMMENDS
THAT YOU VOTE IN FAVOR OF THE APPROVAL OF THE ISSUANCE OF THOSE SHARES.
 
  You should read carefully the accompanying Notice of Special Meeting of
Stockholders and the Proxy Statement for details of the Acquisition and
additional related information.
 
  A majority of the total votes cast in person or by proxy at the Special
Meeting is necessary to approve the issuance of shares of PRI Common Stock in
connection with the Acquisition. The Acquisition will also require the
satisfaction or waiver of other conditions as described in the Proxy
Statement.
 
  The affirmative vote of a majority of the outstanding shares of PRI Common
Stock is necessary to approve the Charter Proposal. The approval of the
Charter Proposal is not a condition to the consummation of the Acquisition.
THE BOARD OF DIRECTORS OF PRI HAS UNANIMOUSLY APPROVED THE CHARTER PROPOSAL
AND UNANIMOUSLY RECOMMENDS THAT YOU VOTE IN FAVOR OF THE CHARTER PROPOSAL.
 
  Whether or not you expect to attend the Special Meeting, it is important
that your shares be represented. Please complete, sign and date the enclosed
proxy card and return it promptly in the enclosed postage-paid envelope. If
you attend the Special Meeting, you may vote in person if you wish, even
though you may have previously returned your proxy card.
 
  Thank you and I look forward to seeing you at the Special Meeting.
 
                                          Sincerely,
 

                                          /s/ Mordechai Wiesler

                                          Mordechai Wiesler
                                          Chairman and Chief Executive Officer
 
                                       2
<PAGE>
 
                             PRI AUTOMATION, INC.
 
                   NOTICE OF SPECIAL MEETING OF STOCKHOLDERS
                        TO BE HELD ON JANUARY 16, 1998
 
  NOTICE IS HEREBY GIVEN that a Special Meeting of Stockholders (the "Special
Meeting") of PRI Automation, Inc., a Massachusetts corporation ("PRI"), will
be held at 10:00 a.m., local time, on Friday, January 16, 1998, at the offices
of Foley, Hoag & Eliot LLP, One Post Office Square, Boston, Massachusetts.
 
  The meeting is called for the purpose of considering and voting upon:
     
    1. A proposal to approve the issuance of shares of PRI common stock, par
  value $.01 (the "PRI Common Stock"), in connection with PRI's acquisition
  of Equipe Technologies, Inc., a California corporation ("Equipe"), and two
  related corporations (collectively, the "Acquisition"). In the Acquisition,
  PRI expects to (i) issue 4,088,020 shares of PRI Common Stock to holders of
  outstanding Equipe Common Stock, (ii) issue 276,000 shares of PRI Common
  Stock to holders of outstanding stock of the related corporations, (iii)
  assume outstanding options to purchase Equipe Common Stock, which will be
  converted into options to purchase an aggregate of 129,646 shares of PRI
  Common Stock, and (iv) grant certain officers and employees of Equipe and
  the related corporations new options to purchase an aggregate of 720,000
  shares of PRI Common Stock. The acquisition of Equipe will take place in
  accordance with terms of the Agreement and Plan of Reorganization dated as
  of October 25, 1997 (the "Merger Agreement") by and among PRI, E-
  Acquisition Corp., a California corporation and a wholly owned subsidiary
  of PRI, Equipe, and certain stockholders of Equipe. The proposed
  Acquisition and other related matters are more fully described in the Proxy
  Statement accompanying this Notice and the Annexes thereto. A copy of the
  Merger Agreement is attached as Annex A to the Proxy Statement.     
 
    2. A proposal to amend PRI's Amended and Restated Articles of
  Organization to increase the number of authorized shares of PRI Common
  Stock from 24,000,000 to 50,000,000 shares.
 
    3. Any matters incident to the conduct of the Special Meeting or any
  adjournments or postponements thereof.
 
  The Board of Directors has fixed the close of business on December 9, 1997
as the record date for the determination of the stockholders entitled to
notice of and to vote at the Special Meeting and any adjournments or
postponements thereof. Only holders of record of PRI Common Stock on the
record date are entitled to vote at the Special Meeting.
 
  If you would like to attend the Special Meeting and your shares are held by
a broker, bank or other nominee, you must bring to the Special Meeting a
current brokerage statement or a letter from the nominee confirming your
beneficial ownership of the shares you wish to vote. You must also bring a
form of personal identification. In order to vote your shares at the Special
Meeting, you must obtain from the nominee a proxy issued in your name.
 
  You can ensure that your shares are voted at the Special Meeting by signing
and dating the enclosed proxy and returning it in the envelope provided.
Sending in a signed proxy will not affect your right to attend the Special
Meeting and vote in person. You may revoke your proxy at any time before it is
voted by giving written notice to the Clerk of PRI at PRI's headquarters, 805
Middlesex Turnpike, Billerica, Massachusetts 01821-3986, by signing and
returning a later dated proxy or by voting in person at the Special Meeting.
 
  WHETHER OR NOT YOU EXPECT TO ATTEND, WE URGE YOU TO SIGN AND DATE THE
ENCLOSED PROXY AND RETURN IT PROMPTLY IN THE ENVELOPE PROVIDED.
 
                                          By Order of the Board of Directors
 

                                          /s/ Mordechai Wiesler

                                          Mordechai Wiesler
                                          Clerk
 
Billerica, Massachusetts
December 17, 1997
<PAGE>
 
       
                             PRI AUTOMATION, INC.
 
                                PROXY STATEMENT
 
                               ----------------
 
  This Proxy Statement ("Proxy Statement") is being furnished to the
stockholders of PRI Automation, Inc., a Massachusetts corporation ("PRI" or
the "Company"), in connection with the solicitation of proxies by the Board of
Directors of PRI for use at a Special Meeting of Stockholders of PRI to be
held at 10:00 a.m., local time, on Friday, January 16, 1998 at the offices of
Foley, Hoag & Eliot llp, One Post Office Square, Boston, Massachusetts and at
any and all adjournments or postponements thereof (the "Special Meeting").
   
  This Proxy Statement relates to a proposal to approve the issuance of shares
of PRI common stock, par value $.01 (the "PRI Common Stock"), in connection
with PRI's acquisition of Equipe Technologies, Inc., a California corporation
("Equipe"), and two related corporations (collectively, the "Acquisition").
This Proxy Statement also relates to a proposal to amend PRI's Amended and
Restated Articles of Organization to increase the number of authorized shares
of PRI Common Stock from 24,000,000 to 50,000,000 shares (the "Charter
Proposal").     
   
  In the Acquisition, PRI expects to (i) issue 4,088,020 shares of PRI Common
Stock to holders of outstanding Equipe Common Stock, (ii) issue 276,000 shares
of PRI Common Stock to holders of outstanding stock of the related
corporations, (iii) assume outstanding options to purchase Equipe Common
Stock, which will be converted into options to purchase an aggregate of
129,646 shares of PRI Common Stock, and (iv) grant certain officers and
employees of Equipe and the related corporations new options to purchase an
aggregate of 720,000 shares of PRI Common Stock. The acquisition of Equipe
will be effected pursuant to the Agreement and Plan of Reorganization dated as
of October 25, 1997 (the "Merger Agreement") by and among PRI, E-Acquisition
Corp., a California corporation and a wholly owned subsidiary of PRI
("Acquisition Corp."), Equipe and certain stockholders of Equipe. Acquisition
Corp. will be merged with and into Equipe (the "Merger") and Equipe will
become a wholly owned subsidiary of PRI. PRI will issue shares of PRI Common
Stock in exchange for all of the issued and outstanding capital stock of the
two related corporations, which will also become wholly owned subsidiaries of
PRI (the "Related Company Acquisitions").     
   
  Based upon the number of shares of PRI Common Stock outstanding on October
31, 1997, the shares of PRI Common Stock to be issued or reserved for issuance
upon the exercise of options to be assumed or newly granted by PRI in
connection with the Acquisition would represent approximately 23.7% of the PRI
Common Stock outstanding immediately following the Acquisition, assuming the
exercise of all outstanding options to purchase PRI Common Stock.     
 
  Consummation of the Acquisition is subject to various conditions, including
the approval of the issuance of shares of PRI Common Stock in the Acquisition
by a majority of the votes cast in person or by proxy at the Special Meeting.
The Merger Agreement has previously been approved and adopted by the
stockholders of Equipe. The approval of the Charter Proposal is not a
condition to the consummation of the Acquisition.
 
  All information contained in this Proxy Statement about PRI and Acquisition
Corp. has been provided by PRI. All information contained in this Proxy
Statement about Equipe and its related corporations has been provided by
Equipe.
   
  The PRI Common Stock is quoted on the Nasdaq National Market under the
symbol "PRIA." On December 15, 1997, the last reported sale price per share of
PRI Common Stock on the Nasdaq National Market was $28.875.     
 
  This Proxy Statement and the accompanying form of proxy are first being
mailed to stockholders of PRI on or about December 19, 1997. A stockholder who
has given a proxy may revoke it at any time prior to its exercise. See "The
Special Meeting--Record Date," "--Voting Rights; Proxies" and "--Revocation of
Proxies."
 
                               ----------------
             
          The date of this Proxy Statement is December 17, 1997.     
<PAGE>
 
                          FORWARD-LOOKING STATEMENTS
 
  Certain statements in this Proxy Statement and in the documents incorporated
by reference into this Proxy Statement constitute "forward-looking statements"
within the meaning of Section 27A of the Securities Act of 1933, as amended
(the "Securities Act"), and Section 21E of the Securities Exchange Act of
1934, as amended (the "Exchange Act"). For example, statements about the
expected impact of the Acquisition on PRI's earnings per share are forward-
looking statements. Further, any statements contained in or incorporated into
this Proxy Statement that are not statements of historical fact may be deemed
to be forward-looking statements. Without limiting the foregoing, the words
"expect," "anticipate," "plan," "believe," "seek," "estimate," "internal,"
"backlog" and similar expressions are also intended to identify forward-
looking statements. Such statements are not guarantees of future performance,
and involve risks, uncertainties and assumptions that could cause PRI's future
results to differ materially from those expressed in any forward-looking
statements made by or on behalf of PRI. Many of such factors are beyond PRI's
ability to control or predict. Readers are accordingly cautioned not to place
undue reliance on forward-looking statements. PRI disclaims any intent or
obligation to update publicly any forward-looking statements whether in
response to new information, future events or otherwise. Important factors
that may cause PRI's actual results to differ from such forward-looking
statements include, but are not limited to, the factors discussed below.
 
  PRI's future results are subject to substantial risks and uncertainties.
PRI's business and results of operations depend in significant part upon
capital expenditures by manufacturers of semiconductors, which in turn depend
upon the current and anticipated market demand for semiconductors and products
incorporating semiconductors. Historically, the semiconductor industry has
been highly cyclical with recurring periods of over-supply, which often have
had a severe effect on the semiconductor industry's demand for capital
expenditures, including systems manufactured and marketed by PRI. PRI believes
that the markets for newer generations of semiconductors will also be subject
to similar fluctuations. Also, the recent high rate of technical innovation
and resulting improvements in the performance and price of semiconductor
devices, which have driven much of the demand for PRI's products, could slow,
or encounter limits, in the future. In addition, any other factor adversely
affecting the semiconductor industry or particular segments within the
semiconductor industry may adversely affect PRI's business, financial
condition, operating results and stock price.
 
  Additional risks and uncertainties include: competitive pressures on selling
prices; inventory management, including suppliers' ability to meet PRI's needs
in a timely manner; the timing and cancellation of customer orders; changes in
product mix; PRI's ability to introduce new products and technologies on a
timely basis; PRI's ability to increase its manufacturing capacity to meet
increased demand while maintaining satisfactory levels of product quality,
service levels, and timeliness of deliveries; rapid technological change and
introduction of products and technologies by PRI's competitors; market
acceptance of PRI's and its competitors' products; the level of orders
received which can be shipped in a quarter; the timing of investments in
engineering and development; and PRI's ability to absorb and manage
acquisitions, including the Acquisition and the acquisition of Interval Logic
Corporation. As a result of the foregoing and other factors, PRI may
experience material fluctuations in future operating results on a quarterly or
annual basis which could materially and adversely affect its business,
financial condition, operating results and stock price.
 
                             AVAILABLE INFORMATION
 
  PRI is subject to the informational requirements of the Exchange Act and
files reports, proxy and information statements and other information with the
Securities and Exchange Commission (the "Commission"). This information can be
inspected and copied at the public reference facilities maintained by the
Commission at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington,
D.C. 20549 and may be available at the following Regional Offices of the
Commission: Chicago Regional Office, Citicorp Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois 60661; and New York Regional Office, 7 World
Trade Center, 13th Floor, New York, New York 10048. Copies of such materials
can be obtained at prescribed rates from the Public Reference Section of the
Commission at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W.,
 
                                       i
<PAGE>
 
   
Washington, D.C. 20549. PRI files certain documents with the Commission
electronically and these documents may be inspected and copied at the
Commission's Web site (http://www.sec.gov). Material filed by PRI can also be
inspected at the offices of the Nasdaq Stock Market, Inc., 1735 K Street,
N.W., Washington, D.C. 20006.     
 
                    INCORPORATION OF DOCUMENTS BY REFERENCE
 
  PRI hereby incorporates by reference into this Proxy Statement the following
documents previously filed with the Commission pursuant to the Exchange Act:
 
    1. PRI's Annual Report on Form 10-K for the fiscal year ended September
       30, 1996, as amended;
 
    2. PRI's Quarterly Report on Form 10-Q for the quarter ended December 29,
       1996;
 
    3. PRI's Quarterly Report on Form 10-Q for the quarter ended March 30,
       1997;
 
    4. PRI's Quarterly Report on Form 10-Q for the quarter ended June 29,
       1997;
 
    5. PRI's Current Report on Form 8-K dated April 23, 1997;
     
    6. PRI's Current Report on Form 8-K dated November 10, 1997, as amended
       on December 12, 1997; and     
     
    7. All other reports and other documents filed by PRI pursuant to Section
       13(a) or 15(d) of the Exchange Act since September 30, 1996.     
 
  In addition, all reports and other documents filed by PRI pursuant to
Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this
Proxy Statement and prior to the Special Meeting shall be deemed to be
incorporated by reference into this Proxy Statement and to be a part of this
Proxy Statement from the date of filing of such reports and documents. Any
statement contained in this Proxy Statement or in a document incorporated or
deemed to be incorporated by reference in this Proxy Statement shall be deemed
to be modified or superseded for purposes of this Proxy Statement to the
extent that a statement contained in this Proxy Statement or in any other
subsequently filed document that also is incorporated or deemed to be
incorporated by reference in this Proxy Statement modifies or supersedes such
statement. Any such statement so modified or superseded shall not be deemed,
except as so modified or superseded, to constitute a part of this Proxy
Statement.
   
  THIS PROXY STATEMENT INCORPORATES BY REFERENCE DOCUMENTS THAT PRI HAS FILED
WITH THE COMMISSION WHICH ARE NOT PRESENTED HEREIN OR DELIVERED HEREWITH.
THESE DOCUMENTS (OTHER THAN EXHIBITS TO SUCH DOCUMENTS, UNLESS SUCH EXHIBITS
ARE SPECIFICALLY INCORPORATED BY REFERENCE HEREIN) ARE AVAILABLE, WITHOUT
CHARGE, UPON WRITTEN OR ORAL REQUEST BY ANY PERSON TO WHOM THIS PROXY
STATEMENT IS DELIVERED, INCLUDING ANY BENEFICIAL OWNER, TO: PRI AUTOMATION,
INC., 805 MIDDLESEX TURNPIKE, BILLERICA, MASSACHUSETTS 01821-3986 (TELEPHONE
NO.: (978) 670-4270), ATTENTION: CLERK. IN ORDER TO ENSURE TIMELY DELIVERY OF
THE DOCUMENTS BEFORE THE SPECIAL MEETING, ANY REQUEST SHOULD BE MADE BEFORE
JANUARY 9, 1998.     
 
                               ----------------
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATION NOT CONTAINED IN OR INCORPORATED BY REFERENCE IN THIS PROXY
STATEMENT, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION NOT
CONTAINED HEREIN MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED. THIS PROXY
STATEMENT DOES NOT CONSTITUTE THE SOLICITATION OF A PROXY IN ANY JURISDICTION
FROM ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH PROXY SOLICITATION IN SUCH
JURISDICTION. THE DELIVERY OF THIS PROXY STATEMENT SHALL NOT UNDER ANY
CIRCUMSTANCES CREATE ANY IMPLICATION THAT THERE HAS BEEN NO CHANGE IN THE
INFORMATION SET FORTH HEREIN OR INCORPORATED BY REFERENCE SINCE THE DATE
HEREOF.
 
                                      ii
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>   
<S>                                                                         <C>
FORWARD-LOOKING STATEMENTS.................................................   i

AVAILABLE INFORMATION......................................................   i

INCORPORATION OF DOCUMENTS BY REFERENCE....................................  ii

SUMMARY....................................................................   1
  The Companies............................................................   1
  The Special Meeting......................................................   2
  The Acquisition..........................................................   3
  Opinion of PRI's Financial Advisor.......................................   5
  Certain United States Federal Income Tax Consequences....................   5
  Restriction on Resale of Securities Issued in the Acquisition............   5

SELECTED HISTORICAL AND PRO FORMA COMBINED FINANCIAL DATA..................   6

SELECTED HISTORICAL FINANCIAL DATA.........................................   7
  PRI......................................................................   7
  Equipe Combined Companies................................................   8

SELECTED UNAUDITED PRO FORMA COMBINED FINANCIAL DATA.......................   9

COMPARATIVE PER SHARE DATA.................................................  10

THE SPECIAL MEETING........................................................  11
  Time, Place and Date.....................................................  11
  Purpose of the Special Meeting...........................................  11
  Record Date..............................................................  11
  Quorum...................................................................  11
  Required Votes...........................................................  12
  Voting Rights; Proxies...................................................  12
  Revocation of Proxies....................................................  12
  Tabulation of Votes......................................................  12
  Solicitation of Proxies..................................................  12
  Appraisal and Dissenters' Rights.........................................  13

THE ACQUISITION............................................................  14
  General..................................................................  14
  Effective Time...........................................................  14
  Background of the Acquisition............................................  14
  Recommendation of the Board of Directors of PRI; PRI's Reasons for the
   Acquisition.............................................................  16
  Equipe's Reasons for the Merger..........................................  18
  Opinion of PRI's Financial Advisor.......................................  19
  Interests of Certain Persons in the Acquisition..........................  22
  Certain Federal Income Tax Consequences..................................  23
  Anticipated Accounting Treatment.........................................  24
  Effect on Stock Options..................................................  24
  Certain Legal Matters....................................................  25
  Federal Securities Law Consequences; Registration Rights.................  25
  Dividends................................................................  26
  Fees and Expenses........................................................  26
</TABLE>    
 
                                      iii
<PAGE>
 
<TABLE>
<S>                                                                         <C>
THE MERGER AGREEMENT.......................................................  27
  Terms of the Merger......................................................  27
  Representations and Warranties of Equipe and Founders....................  28
  Representations and Warranties of PRI and Acquisition Corp...............  28
  Conduct of Business Pending the Merger...................................  29
  Additional Covenants.....................................................  30
  Conditions to the Merger.................................................  33
  Indemnification..........................................................  35
  Termination..............................................................  35
  Arbitration..............................................................  36
  Further Assurances.......................................................  36

OTHER AGREEMENTS...........................................................  37
  Related Company Acquisition Agreements...................................  37
  Registration Rights Agreement............................................  38
  Employment Agreements....................................................  39
  Irrevocable Proxies......................................................  41
  Affiliates' Agreements...................................................  41

CHANGES IN BUSINESS OF PRI.................................................  42

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT OF PRI......  43

BUSINESS OF EQUIPE.........................................................  45

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
 OPERATIONS OF EQUIPE......................................................  50

APPROVAL OF AMENDMENT TO PRI'S AMENDED AND RESTATED ARTICLES OF
 ORGANIZATION TO INCREASE THE NUMBER OF AUTHORIZED SHARES OF PRI COMMON
 STOCK.....................................................................  56

REPRESENTATIVES OF INDEPENDENT ACCOUNTANTS.................................  58

STOCKHOLDER PROPOSALS......................................................  58

INDEX TO FINANCIAL STATEMENTS.............................................. F-1

Annexes:
  A. Agreement and Plan of Reorganization.................................. A-1
  B. Opinion of PRI's Financial Advisor, Morgan Stanley & Co.
   Incorporated............................................................ B-1
  C. Form of Registration Rights Agreement................................. C-1

INCORPORATION OF DOCUMENTS BY REFERENCE.................................... End
</TABLE>
 
                                       iv
<PAGE>
 
                                    SUMMARY
 
  The following is a brief summary of certain information contained elsewhere
in this Proxy Statement and the Annexes hereto. This summary does not contain a
complete statement of all material information relating to the Merger Agreement
and the Acquisition and is subject to, and is qualified in its entirety by, the
more detailed information and financial statements contained or incorporated by
reference in this Proxy Statement. Stockholders of PRI should read this Proxy
Statement carefully in its entirety. Certain capitalized terms used in this
summary are defined elsewhere in this Proxy Statement. Unless otherwise
indicated, all information in this Proxy Statement reflects a two-for-one split
of the PRI Common Stock effective May 2, 1997.
 
                                 THE COMPANIES
 
PRI AUTOMATION, INC.
 
  PRI Automation, Inc. ("PRI" or the "Company") is a leading supplier of
factory automation systems that serve the needs of large, mid-sized and
specialty semiconductor manufacturers. The Company combines advanced robotics
technology with material handling software to automate the complex processes of
integrated circuit manufacturing. PRI's flexible factory automation systems--
which include overhead monorails, wafer stockers, reticle stockers, tool
automation systems, material control software, factory simulation and other
services, including project management and on-site support--are designed to
maximize wafer yield and equipment utilization in a wide range of semiconductor
manufacturing environments, while providing efficient work-in-process logistics
to help optimize manufacturing throughput.
 
  The Company sells its systems and services to semiconductor manufacturers, as
well as to OEM equipment suppliers which incorporate the Company's products
into systems sold to semiconductor manufacturers. The Company markets its
products in North America through a direct sales force operating out of its
headquarters in Billerica, Massachusetts and sales offices in California, New
Jersey and Texas, and through an independent manufacturer's representative
organization covering specific accounts. Outside North America, the Company's
products are sold by the Company's direct sales force with sales offices in
England, South Korea, Taiwan, France and the Netherlands.
 
  The executive offices of PRI are located at 805 Middlesex Turnpike,
Billerica, Massachusetts 01821-3986, and its telephone number is (978) 670-
4270. PRI was incorporated in Massachusetts in 1972 under another name and
began its present business in 1982.
 
EQUIPE TECHNOLOGIES, INC.
 
  Equipe Technologies, Inc. ("Equipe") is a leading worldwide developer,
manufacturer and supplier of atmospheric wafer and substrate handling robots,
pre-aligners and controllers. Equipe's products are integrated into
semiconductor and flat panel manufacturing equipment for automated handling of
semiconductor wafers and flat panel display substrates in and about process and
inspection equipment. Through the tight integration of electronics, mechanical
components and software, Equipe manufactures products with the high levels of
reliability and durability that provide the precision handling and placement
necessary to meet the strict tolerance requirements of semiconductor and flat
panel display manufacturing. In 1996, Equipe introduced a line of vacuum wafer
handling systems, modules and cluster tool platforms for the semiconductor
equipment industry.
 
  Equipe sells its wafer and substrate handling systems and modules primarily
to OEM suppliers of semiconductor wafer and flat panel display process and
inspection equipment. In the United States, Equipe markets and sells its
products through a direct sales force operating out of its headquarters in
Sunnyvale, California. Outside the United States, Equipe markets, sells and
services its products in Japan through an affiliated company, Equipe Japan
Corporation ("Equipe Japan"), and elsewhere through distributors and
representatives. Equipe Japan will become a wholly owned subsidiary of PRI as a
result of the Acquisition.
 
  The executive offices of Equipe are located at 733 North Pastoria Avenue,
Sunnyvale, California 94086, and its telephone number is (408) 616-5000. Equipe
was incorporated in California in 1990.
 
                                       1
<PAGE>
 
 
                              THE SPECIAL MEETING
 
TIME, PLACE AND DATE
 
  The Special Meeting of Stockholders of PRI (including any and all
adjournments or postponements thereof, the "Special Meeting") will be held at
10:00 a.m., local time, on Friday, January 16, 1998, at the offices of Foley,
Hoag & Eliot LLP, One Post Office Square, Boston, Massachusetts 02109.
 
PURPOSE OF THE MEETING
 
  At the Special Meeting, holders of PRI Common Stock will consider and vote
upon a proposal to approve the issuance of PRI Common Stock in connection with
the Acquisition (the "PRI Share Proposal"). PRI will issue 0.760372 shares of
PRI Common Stock for each outstanding share of Equipe Common Stock (the "Merger
Ratio"); in the aggregate, PRI expects to issue 4,088,020 shares of PRI Common
Stock to holders of outstanding Equipe Common Stock. PRI will also issue an
aggregate of 276,000 shares of PRI Common Stock in exchange for all of the
issued and outstanding capital stock of E-Machine, Inc. ("E-Machine") and
Equipe Japan (the "Related Companies"). In addition, PRI will assume options to
purchase Equipe Common Stock, which will be converted into options to purchase
an aggregate of 129,646 shares of PRI Common Stock. PRI has also agreed to
issue new options to purchase an aggregate of 720,000 shares of PRI Common
Stock to officers and employees of Equipe and the Related Companies. Based upon
the number of shares of PRI Common Stock outstanding as of October 31, 1997,
the shares of PRI Common Stock to be issued or reserved for issuance upon the
exercise of options to be assumed or newly granted by PRI in connection with
the Acquisition would represent approximately 23.7% of the PRI Common Stock
outstanding immediately following the Acquisition, assuming the exercise of all
outstanding options to purchase PRI Common Stock.
 
  At the Special Meeting, holders of PRI Common Stock will also be asked to
consider and vote upon a proposal to amend PRI's Amended and Restated Articles
of Organization to increase the number of authorized shares of PRI Common Stock
from 24,000,000 to 50,000,000 shares (the "Charter Proposal"). The approval of
the Charter Proposal is not a condition to the consummation of the Acquisition.
 
  THE BOARD OF DIRECTORS OF PRI HAS UNANIMOUSLY APPROVED THE PRI SHARE PROPOSAL
AND THE CHARTER PROPOSAL AND UNANIMOUSLY RECOMMENDS THAT STOCKHOLDERS OF PRI
VOTE FOR THE PRI SHARE PROPOSAL AND THE CHARTER PROPOSAL. See "The
Acquisition--Background of the Acquisition" and "--Recommendation of the Board
of Directors of PRI; PRI's Reasons for the Acquisition" and "Approval of
Amendment to PRI's Amended and Restated Articles of Organization to Increase
the Number of Authorized Shares of PRI Common Stock."
 
REQUIRED VOTES; RECORD DATE
 
  The PRI Share Proposal will require approval by a majority of the total votes
cast in person or by proxy on the proposal. The Charter Proposal will require
approval by the affirmative vote of a majority of the outstanding shares of PRI
Common Stock. Holders of PRI Common Stock are entitled to one vote per share.
Only holders of PRI Common Stock at the close of business on December 9, 1997
(the "Record Date") will be entitled to notice of and to vote at Special
Meeting. See "The Special Meeting." As of the Record Date, 15,152,419 shares of
PRI Common Stock were outstanding. On October 31, 1997, there were outstanding
15,117,997 shares of PRI Common Stock, and, as of that date, the directors and
executive officers of PRI beneficially owned as a group approximately 13.2% of
the outstanding shares of PRI Common Stock. See "Security Ownership of Certain
Beneficial Owners And Management of PRI." These directors and executive
officers have indicated that they intend to vote all of their shares in favor
of the PRI Share Proposal and the Charter Proposal.
 
REVOCATION OF PROXIES
 
  A PRI stockholder who has executed a proxy may revoke the proxy at any time
before it is exercised at the Special Meeting in three ways: (i) by giving
written notice of revocation to the Clerk of PRI at PRI's
 
                                       2
<PAGE>
 
   
headquarters, 805 Middlesex Turnpike, Billerica, Massachusetts 01821-3986, (ii)
by signing and returning a later dated proxy or (iii) by attending the Special
Meeting and informing the Clerk of PRI in writing that he or she wishes to vote
in person. However, mere attendance at the Special Meeting will not in and of
itself have the effect of revoking the proxy. ACCORDINGLY, STOCKHOLDERS OF PRI
WHO HAVE EXECUTED AND RETURNED PROXY CARDS IN ADVANCE OF THE SPECIAL MEETING
MAY CHANGE THEIR VOTES AT ANY TIME PRIOR TO OR AT THE SPECIAL MEETING. See "The
Special Meeting--Revocation of Proxies."     
 
                                THE ACQUISITION
 
  Pursuant to the Merger Agreement, Acquisition Corp. will be merged with and
into Equipe and Equipe will become a wholly owned subsidiary of PRI. See "The
Acquisition."
 
MERGER CONSIDERATION
 
  Pursuant to the Merger, each outstanding share of Equipe Common Stock will be
converted into the right to receive 0.760372 shares of PRI Common Stock. Equipe
stockholders will receive cash in lieu of any fractional shares of PRI Common
Stock to which the Equipe stockholders would otherwise have been entitled. See
"The Merger Agreement--Terms of the Merger."
 
RELATED COMPANY ACQUISITIONS
 
  PRI will issue an aggregate of 276,000 shares of PRI Common Stock in exchange
for all of the issued and outstanding capital stock of the Related Companies,
which will also become wholly owned subsidiaries of PRI. The Related Company
Acquisitions will occur if and only if the Merger is consummated. See "Other
Agreements--Related Company Acquisition Agreements."
 
CONDITIONS TO THE MERGER; TERMINATION
 
  The Merger will become effective at the time when a copy of the Merger
Agreement, certificates of the officers of Equipe and Acquisition Corp., and a
certificate of satisfaction from the California Franchise Tax Board with
respect to Acquisition Corp. have been filed with the Secretary of State of
California. The time of the filing will be the "Effective Time" of the Merger,
provided that the Secretary of State of California subsequently accepts the
filings in due course, as PRI and Equipe expect.
 
  The consummation of the Merger (the "Closing") is subject to various
conditions, including: (i) approval by the stockholders of PRI; (ii) the
expiration of the waiting period under the Hart-Scott-Rodino Antitrust
Improvements Act of 1976, as amended (the "HSR Act"); (iii) the absence of any
legal restraints or prohibitions preventing the consummation of the Merger;
(iv) receipt of opinions of counsel as to the tax treatment of the Merger; (v)
receipt of updated reports from the independent accountants for both PRI and
Equipe with respect to the "pooling-of-interests" accounting treatment for the
Merger; and (vi) satisfaction of all conditions to the Related Company
Acquisitions. The Merger Agreement and the Merger have previously been approved
and adopted by the stockholders of Equipe. The approval of the Charter Proposal
is not a condition to the consummation of the Merger. See "The Merger
Agreement--Conditions to the Merger."
 
  The Merger Agreement may be terminated prior to the Closing: (a) by mutual
written consent of Equipe, the Founders and PRI; (b) by Equipe or any Founder
if there has been a material breach of any representation, warranty, covenant
or agreement in the Merger Agreement on the part of PRI or Acquisition Corp.
and, if the breach is curable, the breach has not been cured within twenty days
after written notice of the breach, or by PRI if there has been a material
breach of any representation, warranty, covenant or agreement in the Merger
Agreement on the part of Equipe or any Founder and, if the breach is curable,
the breach has not been cured
 
                                       3
<PAGE>
 
within twenty days after written notice of the breach; (c) by Equipe, any
Founder or PRI if the stockholders of PRI shall have voted not to approve the
Merger Agreement; (d) by Equipe, any Founder or PRI if the Closing shall not
have occurred on or before May 31, 1998, but the right to terminate the Merger
Agreement on this basis will not be available to any party whose failure to
fulfill an obligation under the Merger Agreement has been the cause of the
failure of the Merger to occur on or before that date; (e) by Equipe, any
Founder or PRI if (i) there shall be a final nonappealable court order in
effect preventing consummation of the transactions contemplated by the Merger
Agreement or (ii) there shall be any action taken, or any statute, rule,
regulation or order enacted, promulgated or issued or deemed applicable to the
transactions contemplated by the Merger Agreement by any governmental entity
which would make consummation of the transactions contemplated by the Merger
Agreement illegal; and (f) by Equipe or PRI if there shall be any action taken,
or any statute, rule, regulation or order enacted, promulgated or issued or
deemed applicable to the transactions contemplated by the Merger Agreement by
any governmental entity that would (i) prohibit PRI's or Equipe's ownership or
operation of all or a material portion of the business or assets of Equipe or
PRI, or compel PRI or Equipe to dispose of or hold separate all or a material
portion of the business or assets of Equipe or PRI, as a result of the
transactions contemplated by the Merger Agreement or (ii) render PRI, Equipe or
any Founder unable to consummate the transactions contemplated by the Merger
Agreement. See "The Merger Agreement--Termination--Basis for Termination."
 
DIVIDENDS
 
  Under the terms of the Merger Agreement, none of PRI, Equipe and the Related
Companies is permitted to declare or pay any dividend or other distribution in
respect of its capital stock from the date of the Merger Agreement until the
Closing, except that Equipe and E-Machine may make distributions to their
stockholders solely to enable the stockholders to meet their federal and state
tax obligations with respect to the income of the two companies that is
attributable to the stockholders for 1997. See "The Acquisition--Dividends."
 
APPRAISAL AND DISSENTERS' RIGHTS
 
  Under the Business Corporation Law of the Commonwealth of Massachusetts (the
"MBCL"), holders of PRI Common Stock are not entitled to dissent from the PRI
Share Proposal or the Charter Proposal or to demand appraisal of their shares
as a result of the approval of the PRI Share Proposal or the Charter Proposal.
See "The Special Meeting--Appraisal and Dissenters' Rights."
 
GOVERNMENTAL APPROVALS REQUIRED
   
  The consummation of the Merger is subject to certain regulatory approvals,
including compliance with applicable federal and state securities laws and the
HSR Act. In December 1997, PRI and Equipe filed a Notification and Report Form,
together with a request for early termination of the waiting period, under the
HSR Act with the United States Federal Trade Commission (the "FTC") and the
Antitrust Division of the United States Department of Justice (the "Antitrust
Division"). The waiting period under the HSR Act with respect to such filings
is expected to expire in January 1998. See "The Acquisition--Certain Legal
Matters."     
 
ANTICIPATED ACCOUNTING TREATMENT
 
  It is a condition to the consummation of the Merger that the Acquisition
qualify as a "pooling of interests," which means that PRI, Equipe and the
Related Companies will be treated as if they had always been combined for
accounting and financial reporting purposes. See "The Acquisition--Anticipated
Accounting Treatment."
 
STOCK OPTIONS
 
  At the Effective Time, PRI will assume all outstanding options to purchase
Equipe Common Stock. The options will be deemed to constitute options to
acquire shares of PRI Common Stock at the Merger Ratio of
 
                                       4
<PAGE>
 
0.760372 shares of PRI Common Stock for every share of Equipe Common Stock. As
of October 31, 1997, there were outstanding options to acquire 170,500 shares
of Equipe Common Stock, which at the Effective Time will be converted into
options to purchase 129,646 shares of PRI Common Stock. PRI has also agreed to
issue new options to purchase 720,000 shares of PRI Common Stock to officers
and employees of Equipe and the Related Companies. The options will be
consistent in form and substance with nonqualified stock options granted by PRI
to employees having similar responsibilities. See "The Acquisition--Effect on
Stock Options" and "The Merger Agreement--Terms of the Merger--Effect of Merger
on Equipe Options."
 
                       OPINION OF PRI'S FINANCIAL ADVISOR
 
  Morgan Stanley & Co. Incorporated, financial advisor to PRI ("Morgan
Stanley"), rendered its oral opinion to the Board of Directors of PRI on
October 25, 1997, subsequently confirmed in writing on October 26, 1997, that
the Consideration (as defined in the written opinion) to be paid by PRI
pursuant to the Merger Agreement and the Related Company Acquisition Agreements
was fair from a financial point of view to PRI.
 
  For information on the assumptions made, matters considered and limits of the
review undertaken by Morgan Stanley, see "The Acquisition--Opinion of PRI's
Financial Advisor." STOCKHOLDERS ARE URGED TO READ IN ITS ENTIRETY THE OPINION
OF MORGAN STANLEY ATTACHED AS ANNEX B TO THIS PROXY STATEMENT.
 
             CERTAIN UNITED STATES FEDERAL INCOME TAX CONSEQUENCES
 
  It is expected that the Merger and the Related Company Acquisitions will
constitute reorganizations for federal income tax purposes and, accordingly,
that no gain or loss will be recognized for United States federal income tax
purposes by PRI, Equipe, E-Machine or Equipe Japan, or by the holders of Equipe
Common Stock upon the conversion of Equipe Common Stock into PRI Common Stock
in the Merger (except with respect to any cash received in lieu of a fractional
share interest in PRI Common Stock) or by holders of E-Machine capital stock or
Equipe Japan capital stock upon the exchange of that stock for shares of PRI
Common Stock. Shareholders of Equipe Japan who are "U.S. Shareholders," as that
term is defined herein, should consult their own tax advisors with respect to
whether they must include in income a portion of Equipe Japan's earnings and
profits. The obligations of the parties to the Merger Agreement to consummate
the Merger are conditioned on the receipt by PRI and Equipe of opinions of
Foley, Hoag & Eliot LLP and Brobeck, Phleger & Harrison LLP, respectively, to
the effect that the Merger and the Related Company Acquisitions will constitute
reorganizations within the meaning of Section 368 of the Internal Revenue Code
of 1986, as amended (the "Code"). See "The Acquisition--Certain Federal Income
Tax Consequences."
 
         RESTRICTION ON RESALE OF SECURITIES ISSUED IN THE ACQUISITION
 
  Shares of PRI Common Stock issued in the Acquisition will not be freely
transferable but will constitute "restricted securities" within the meaning of
Rule 144 promulgated under the Securities Act and, if held by an affiliate of
PRI or Equipe, will also be subject to the restrictions on transfer agreed to
by all such affiliates in connection with the pooling-of-interests
requirements. See "The Acquisition--Federal Securities Law Consequences" and
"Other Agreements--Affiliates' Agreements." PRI has agreed to provide the
stockholders of Equipe and the Related Companies with certain registration
rights with respect to the shares of PRI Common Stock issuable to them in the
Acquisition. See "Other Agreements--Registration Rights Agreement."
 
                                       5
<PAGE>
 
           SELECTED HISTORICAL AND PRO FORMA COMBINED FINANCIAL DATA
 
  The following selected historical financial data of PRI and of Equipe,
Equipe Japan and E-Machine (collectively, the "Equipe Combined Companies")
have been derived from their respective historical audited and unaudited
consolidated or combined financial statements. The selected historical
financial information of PRI as of and for the fiscal years ended September
30, 1992, 1993, 1994, 1995 and 1996 and as of June 29, 1997 and for the nine
months ended June 30, 1996 and June 29, 1997 has been derived from PRI's
audited and unaudited consolidated financial statements. The selected
historical financial information of the Equipe Combined Companies as of and
for the years ended December 31, 1992, 1993, 1994, 1995 and 1996 and as of
September 30, 1997 and for the nine months ended September 30, 1996 and 1997
has been derived from audited and unaudited combined financial statements of
the Equipe Combined Companies. In the opinion of the managements of PRI and
the Equipe Combined Companies, the unaudited financial information of PRI and
the Equipe Combined Companies, respectively, reflects all adjustments
(consisting only of normal, recurring adjustments) necessary for the fair
presentation of the financial condition as of the specified date and the
results of operations for the specified unaudited interim periods for PRI and
the Equipe Combined Companies. The results of operations for interim periods
are not necessarily indicative of the results to be expected for any other
period.
 
  The share and per share information for PRI for the fiscal years ended
September 30, 1992, 1993, 1994, 1995 and 1996 and the nine months ended June
30, 1996 has been restated to reflect the two-for-one stock split effective
May 2, 1997. The selected historical financial data of PRI for all periods
presented does not include the accounts of Interval Logic Corporation ("ILC"),
a California corporation acquired by PRI on October 29, 1997 in a transaction
accounted for as a purchase.
 
  The selected historical financial data of the Equipe Combined Companies for
all periods presented include the accounts of the Related Companies, which
will be acquired by PRI simultaneously with the Merger in transactions
accounted for as poolings of interests.
 
  PRI has a fiscal year ending on September 30 and the Equipe Combined
Companies have fiscal years ending December 31. If the Acquisition is
consummated, the fiscal year of the Equipe Combined Companies will be
conformed to that of PRI commencing with the fiscal year ending September 30,
1998. Accordingly, the unaudited pro forma combined statement of operations
data combine PRI's historical results for the fiscal years ended September 30,
1994, 1995 and 1996 and the nine months ended June 30, 1996 and June 29, 1997
with the Equipe Combined Companies' historical results for the years ended
December 31, 1994, 1995 and 1996 and the nine months ended September 30, 1996
and 1997, respectively, giving effect to the Acquisition as if it had occurred
on October 1, 1993. The unaudited pro forma combined balance sheet data
combine PRI's consolidated balance sheet as of June 29, 1997 with the Equipe
Combined Companies' combined balance sheet as of September 30, 1997, giving
effect to the Acquisition as if it had occurred on June 29, 1997.
   
  The unaudited pro forma combined financial information does not purport to
represent what PRI's results of operations or financial position would have
actually been had the Acquisition occurred at the beginning of the earliest
period presented or to project PRI's results of operations or financial
position for any future date or period. The statement of operations data do
not include nonrecurring Acquisition-related costs, currently estimated to be
$6,000,000.     
 
  The selected historical and unaudited pro forma combined financial data
should be read in conjunction with PRI's and the Equipe Combined Companies'
consolidated or combined financial statements and notes thereto and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" of PRI and the Equipe Combined Companies included or incorporated
by reference in this Proxy Statement, and the Unaudited Pro Forma Combined
Financial Statements and the Notes thereto included elsewhere herein.
 
                                       6
<PAGE>
 
                      SELECTED HISTORICAL FINANCIAL DATA
 
                             PRI AUTOMATION, INC.
 
<TABLE>
<CAPTION>
                                  YEAR ENDED SEPTEMBER 30,            NINE MONTHS ENDED
                          ------------------------------------------- -----------------
                                                                      JUNE 30, JUNE 29,
                           1992     1993     1994     1995     1996     1996     1997
                          -------  -------  -------  ------- -------- -------- --------
                                    (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                       <C>      <C>      <C>      <C>     <C>      <C>      <C>
CONSOLIDATED STATEMENT
 OF OPERATIONS DATA:
Net revenue.............  $ 7,483  $19,215  $36,293  $64,042 $110,684 $76,677  $122,826
Cost of revenue.........    4,429   10,652   20,022   33,357   58,320  39,422    69,549
                          -------  -------  -------  ------- -------- -------  --------
Gross profit............    3,054    8,563   16,271   30,685   52,364  37,255    53,277
Operating expenses:
 Research and
  development...........    2,603    4,063    6,973   10,407   17,089  12,236    17,492
 Selling, general and
  administrative........    1,931    2,952    4,980   10,045   17,072  11,967    17,985
 Purchase of incomplete
  technology(1).........       --    3,739       --       --       --      --        --
                          -------  -------  -------  ------- -------- -------  --------
Operating profit
 (loss).................   (1,480)  (2,191)   4,318   10,233   18,203  13,052    17,800
Other income (expense),
 net....................       75      (18)    (286)   1,021    2,128   1,648       840
                          -------  -------  -------  ------- -------- -------  --------
Income (loss) before
 income tax provision...   (1,405)  (2,209)   4,032   11,254   20,331  14,700    18,640
Income tax provision
 (benefit)..............     (523)    (100)   1,210    3,695    6,600   4,686     6,338
                          -------  -------  -------  ------- -------- -------  --------
Net income (loss).......  $  (882) $(2,109) $ 2,822  $ 7,559 $ 13,731 $10,014  $ 12,302
                          =======  =======  =======  ======= ======== =======  ========
Net income (loss) per
 common share:
 Primary................  $ (0.14) $ (0.32) $  0.36  $  0.59 $   0.91 $  0.66  $   0.79
 Assuming full
  dilution..............    (0.14)   (0.32)    0.35     0.58     0.90    0.66      0.78
Weighted average number
 of common and common
 equivalent shares
 outstanding:
 Primary................    6,364    6,628    7,922   12,912   15,156  15,147    15,620
 Assuming full
  dilution..............    6,364    6,628    7,978   13,004   15,210  15,196    15,689
</TABLE>
 
<TABLE>
<CAPTION>
                                              SEPTEMBER 30,
                                  -------------------------------------
                                                                             JUNE 29,
                                   1992   1993   1994   1995     1996          1997
                                  ------ ------ ------ ------- --------      --------
                                                (IN THOUSANDS)
<S>                               <C>    <C>    <C>    <C>     <C>      <C>  <C>
CONSOLIDATED BALANCE SHEET DATA:
Cash and cash equivalents.......  $  197 $  534 $  667 $38,005 $ 28,487      $ 32,862
Working capital.................   4,482  5,810 11,116  73,191   80,846        98,452
Total assets....................   6,076 12,345 22,242  94,999  123,786       144,682
Total current liabilities.......   1,097  5,554  8,648  13,573   26,864        31,104
Long-term obligations...........     281    213  4,075      --       --            --
Series A redeemable convertible
 preferred stock................      --  3,998  4,063      --       --            --
Total stockholders' equity......   4,698  2,580  5,456  81,426   96,922       113,578
</TABLE>
- --------
(1) In the year ended September 30, 1993, PRI acquired the assets and
    liabilities of ProgramMation, Inc. The portion of the purchase price
    allocated to incomplete technology was charged to operations in the period
    of acquisition.
 
                                       7
<PAGE>
 
                         THE EQUIPE COMBINED COMPANIES
 
<TABLE>   
<CAPTION>
                                                                              NINE MONTHS
                                     YEAR ENDED DECEMBER 31,              ENDED SEPTEMBER 30,
                              -----------------------------------------  ----------------------
                               1992    1993    1994     1995     1996     1996        1997
                              ------  ------  -------  -------  -------  -------  -------------
                                         (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                           <C>     <C>     <C>      <C>      <C>      <C>      <C>
COMBINED STATEMENT OF INCOME
 DATA:
Net revenues................  $1,503  $2,766  $11,186  $28,590  $35,066  $28,165     $36,818
Cost of revenues............     782   1,388    6,927   13,482   16,482   13,174      19,084
                              ------  ------  -------  -------  -------  -------     -------
Gross profit................     721   1,378    4,259   15,108   18,584   14,991      17,734
Operating expenses:
 Research and development...     238     405    1,768    1,558    2,399    1,688       3,868
 Selling, general and ad-
  ministrative..............     350     502    2,043    2,120    3,651    2,682       5,847
                              ------  ------  -------  -------  -------  -------     -------
Operating income............     133     471      448   11,430   12,534   10,621       8,019
Other expense, net..........     (14)    (14)     (14)     (20)     (50)     (38)        (16)
                              ------  ------  -------  -------  -------  -------     -------
Income before provision for
 income taxes...............     119     457      434   11,410   12,484   10,583       8,003
Provision for income taxes..      19     197      197      180      200      115         101
                              ------  ------  -------  -------  -------  -------     -------
Net income..................  $  100  $  260  $   237  $11,230  $12,284  $10,468     $ 7,902
                              ======  ======  =======  =======  =======  =======     =======
Pro forma net income per
 common share(1):
 Primary....................  $ 0.02  $ 0.05  $  0.05  $  2.22  $  2.16  $  1.85     $  1.36
 Fully diluted..............  $ 0.02  $ 0.05  $  0.04  $  2.06  $  2.16  $  1.85     $  1.36
Shares used in computing pro
 forma net income per common
 share(1):
 Primary....................   5,281   5,219    5,010    5,067    5,694    5,650       5,820
 Fully diluted..............   5,657   5,596    5,386    5,443    5,694    5,650       5,820
<CAPTION>
                                          DECEMBER 31,
                              -----------------------------------------
                                                                                  SEPTEMBER 30,
                               1992    1993    1994     1995     1996                 1997
                              ------  ------  -------  -------  -------           -------------
                                             (IN THOUSANDS)
<S>                           <C>     <C>     <C>      <C>      <C>      <C>      <C>
COMBINED BALANCE SHEET DATA:
Cash and cash equivalents...  $   25  $   30  $    --  $    17  $   182              $   276
Working capital.............     156     402      567    1,140    2,228                6,943
Total assets................     401     874    2,679    8,485    7,757               15,566
Total current liabilities...     233     454    2,022    7,018    4,672                7,177
Long-term obligations.......      75      70       70      150       78                  204
Total stockholders' equity..      93     350      587    1,317    3,007                8,185
</TABLE>    
 
- --------
(1) In 1995, Equipe and E-Machine elected to be treated as S corporations. As
    S corporations, Equipe and E-Machine have not been subject to federal and
    certain state income taxes. Pro forma net income per share amounts as
    reported in the Equipe Combined Companies' historical financial statements
    for the years ended December 31, 1995 and 1996 and for the nine-month
    periods ended September 30, 1996 and 1997 do not include any adjustments
    to net income for income taxes that would have been recorded in those
    periods if Equipe and E-Machine had been C corporations. The adjusted pro
    forma net income per share reflects the adjustment to historical net
    income for income taxes that would have been recorded had Equipe and E-
    Machine been C corporations during 1995, 1996 and 1997, assuming an
    effective tax rate of 39.5%. No other adjustments have been made to
    historical net income in determining the adjusted pro forma net income per
    share. Adjusted pro forma net income per share for the year ended December
    31, 1994 is the same as the pro forma net income per share as reported in
    the Equipe Combined Companies' historical financial statements.
 
                                       8
<PAGE>
 
            SELECTED UNAUDITED PRO FORMA COMBINED FINANCIAL DATA(1)
 
<TABLE>
<CAPTION>
                                     YEAR ENDED SEPTEMBER 30,  NINE MONTHS ENDED
                                     ------------------------- -----------------
                                                               JUNE 30, JUNE 29,
                                      1994     1995     1996     1996     1997
                                     -------  ------- -------- -------- --------
                                       (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                  <C>      <C>     <C>      <C>      <C>
PRO FORMA COMBINED STATEMENT OF
 OPERATIONS DATA(2):
Net revenue........................  $47,479  $92,632 $145,750 $104,842 $159,644
Cost of revenue....................   26,949   46,839   74,802   52,596   88,633
                                     -------  ------- -------- -------- --------
Gross profit.......................   20,530   45,793   70,948   52,246   71,011
Operating expenses:
 Research and development..........    8,741   11,965   19,488   13,924   21,360
 Selling, general and
  administrative...................    7,023   12,165   20,723   14,649   23,832
                                     -------  ------- -------- -------- --------
Operating profit...................    4,766   21,663   30,737   23,673   25,819
Other income (expense), net........     (300)   1,001    2,078    1,610      824
                                     -------  ------- -------- -------- --------
Income before income tax
 provision.........................    4,466   22,664   32,815   25,283   26,643
Income tax provision...............    1,407    8,202   11,531    8,866    9,499
                                     -------  ------- -------- -------- --------
Net income.........................  $ 3,059  $14,462 $ 21,284 $ 16,417 $ 17,144
                                     =======  ======= ======== ======== ========
Net income per common share:
 Primary...........................  $  0.26  $  0.86 $   1.09 $   0.84 $   0.86
 Assuming full dilution............  $  0.25  $  0.84 $   1.09 $   0.84 $   0.85
Weighted average number of common
 and common equivalent shares
 outstanding:
 Primary...........................   11,731   16,765   19,486   19,443   20,045
 Assuming full dilution............   12,073   17,143   19,540   19,492   20,114
</TABLE>
 
<TABLE>   
<CAPTION>
                                                                     JUNE 29,
                                                                       1997
                                                                  --------------
                                                                  (IN THOUSANDS)
<S>                                                               <C>
PRO FORMA COMBINED BALANCE SHEET DATA:
Cash and cash equivalents........................................    $ 33,138
Working capital..................................................      98,135
Total assets.....................................................     160,248
Total current liabilities........................................      45,541
Long-term obligations............................................         204
Total stockholders' equity.......................................     114,503
</TABLE>    
- --------
(1) See "Unaudited Pro Forma Combined Financial Statements."
   
(2) The statement of operations data do not include non-recurring Acquisition-
    related costs, currently estimated to be $6,000,000.     
 
                                       9
<PAGE>
 
                          COMPARATIVE PER SHARE DATA
 
  The following table sets forth certain historical per share data of PRI and
the Equipe Combined Companies and combined per share data on an unaudited pro
forma basis after giving effect to the Acquisition on a pooling-of-interests
basis, assuming that 4,364,020 shares of PRI Common Stock were issued in
exchange for all of the outstanding capital stock of the Equipe Combined
Companies. This data should be read in conjunction with "Selected Historical
and Pro Forma Combined Financial Data" and the historical audited and
unaudited financial statements of PRI and the Equipe Combined Companies and
the notes thereto that are included elsewhere in this Proxy Statement or
incorporated herein by reference. The selected pro forma combined financial
information of PRI and the Equipe Combined Companies is derived from and
should be read in conjunction with the Unaudited Pro Forma Combined Financial
Statements and Notes thereto included elsewhere in this Proxy Statement. The
unaudited pro forma information is presented for illustrative purposes only
and is not necessarily indicative of the combined financial position or
results of operations of future periods or the results that actually would
have been realized had PRI and the Equipe Combined Companies been a single
entity during the periods presented. Neither PRI nor any of the Equipe
Combined Companies paid any cash dividends for the periods presented, other
than S corporation distributions by Equipe and E-Machine to their
stockholders.
 
 
<TABLE>   
<CAPTION>
                                     YEAR ENDED SEPTEMBER 30, NINE MONTHS ENDED
                                     ------------------------ -----------------
                                                              JUNE 30, JUNE 29,
                                      1994    1995     1996     1996     1997
                                     ------------------------ -------- --------
<S>                                  <C>     <C>     <C>      <C>      <C>
PRI-HISTORICAL(1):
 Net income per share..............    $0.35   $0.58    $0.90  $0.66    $0.78
 Book value per share as of period
  end(2)...........................                     $6.65           $7.60
PRO FORMA COMBINED(1)(3):
 Net income per share..............    $0.25   $0.84    $1.09  $0.84    $0.85
 Book value per share as of period
  end(2)...........................                     $4.97           $5.93
<CAPTION>
                                                              NINE MONTHS ENDED
                                     YEAR ENDED DECEMBER 31,    SEPTEMBER 30,
                                     -----------------------  -----------------
                                      1994    1995     1996     1996     1997
                                     ------------------------ -------- --------
<S>                                  <C>     <C>     <C>      <C>      <C>
EQUIPE COMBINED COMPANIES-
 HISTORICAL(5):
 Adjusted pro forma net income per
  share(4).........................    $0.04   $1.27    $1.33  $1.13    $0.83
 Book value per share as of period
  end(2)...........................                     $0.52           $1.43
EQUIPE EQUIVALENT PRO FORMA
 COMBINED(3)(5)(6):
 Pro forma net income per share....    $0.19   $0.64    $0.83  $0.64    $0.65
 Book value per share as of period
  end..............................                     $3.78           $4.51
</TABLE>    
- --------
(1) The PRI historical and pro forma combined per share data for all periods
    presented exclude the accounts of ILC, which was acquired by PRI on
    October 29, 1997 in a transaction accounted for as a purchase. In
    addition, the share and per share data for PRI for the fiscal years ended
    September 30, 1994, 1995 and 1996 and the nine months ended June 30, 1996
    has been restated to reflect the two-for-one split of the PRI Common Stock
    effective May 2, 1997.
(2) Historical book value per share is computed by dividing stockholders'
    equity by the number of shares of common stock outstanding at the end of
    each period. Pro forma combined book value per share is computed by
    dividing pro forma stockholders' equity, including the effects of pro
    forma adjustments, by the pro forma number of shares of PRI Common Stock
    that would have been outstanding had the Acquisition been consummated at
    the end of each period.
(3) For purposes of the pro forma combined and equivalent pro forma combined
    net income per share and book value per share data, PRI's historical
    results for the nine months ended June 30, 1996 and June 29, 1997 and the
    fiscal years ended September 30, 1994, 1995 and 1996 have been combined
    with the Equipe Combined Companies' historical results for the nine months
    ended September 30, 1996 and 1997 and the years ended December 31, 1994,
    1995 and 1996, respectively.The pro forma net income per share reflects
    adjustments to the net income of the Equipe Combined Companies for income
    taxes that would have been recorded had Equipe and E-Machine been C
    corporations during 1995, 1996 and 1997, assuming an effective tax rate of
    39.5%.
(4) In 1995, Equipe and E-Machine elected to be treated as S corporations. As
    S corporations, Equipe and E-Machine have not been subject to federal and
    certain state income taxes. Pro forma net income per share amounts as
    reported in the Equipe Combined Companies' historical financial statements
    for the years ended December 31, 1995 and 1996 and for the nine-month
    periods ended September 30, 1996 and 1997 do not include any adjustments
    to net income for income taxes that would have been recorded in those
    periods if Equipe and E-Machine had been C corporations. The adjusted pro
    forma net income per share reflects the adjustment to historical net
    income for income taxes that would have been recorded had Equipe and E-
    Machine been C corporations during 1995, 1996 and 1997, assuming an
    effective tax rate of 39.5%. No other adjustments have been made to
    historical net income in determining the adjusted pro forma net income per
    share. Adjusted pro forma net income per share for the year ended December
    31, 1994 is the same as the pro forma net income per share as reported in
    the Equipe Combined Companies' historical financial statements.
(5) The Equipe Combined Companies' adjusted pro forma and equivalent pro forma
    combined per share data include the results of operations of the Related
    Companies on a combined basis for each of the periods presented. Shares
    used in computing net income and book value per share for the Equipe
    Combined Companies reflect, on a pro forma basis, the conversion of E-
    Machine and Equipe Japan shares into equivalent shares of Equipe Common
    Stock based on the exchange ratios indicated in the acquisition agreements
    between PRI and each of Equipe, E-Machine, and Equipe Japan.
(6) The Equipe Combined Companies' equivalent pro forma combined per share
    amounts are computed by multiplying the pro forma combined per share
    amounts by the Merger Ratio of 0.760372 shares of PRI Common Stock for
    each equivalent share of Equipe Common Stock.
 
                                      10
<PAGE>
 
                              THE SPECIAL MEETING
 
TIME, PLACE AND DATE
 
  The Special Meeting of Stockholders of PRI (including any and all
adjournments or postponements thereof, the "Special Meeting") will be held at
10:00 a.m., local time, on Friday, January 16, 1998, at the offices of Foley,
Hoag & Eliot LLP, One Post Office Square, Boston, Massachusetts 02109.
 
PURPOSE OF THE SPECIAL MEETING
   
  At the Special Meeting, holders of PRI Common Stock will consider and vote
upon a proposal to approve the issuance of PRI Common Stock in connection with
the acquisition of Equipe and two related corporations (the "PRI Share
Proposal"). PRI will issue 0.760372 shares of PRI Common Stock for each
outstanding share of Equipe Common Stock (the "Merger Ratio"); in the
aggregate, PRI expects to issue 4,088,020 shares of PRI Common Stock to
holders of outstanding Equipe Common Stock. PRI will also issue an aggregate
of 276,000 shares of PRI Common Stock in exchange for all of the issued and
outstanding capital stock of E-Machine and Equipe Japan (the "Related
Companies"). In addition, PRI will assume options to purchase Equipe Common
Stock, which will be converted into options to purchase an aggregate of
129,646 shares of PRI Common Stock. PRI has also agreed to issue new options
to purchase an aggregate of 720,000 shares of PRI Common Stock to officers and
employees of Equipe and the Related Companies. Based upon the number of shares
of PRI Common Stock outstanding as of October 31, 1997, the shares of PRI
Common Stock to be issued or reserved for issuance upon the exercise of
options to be assumed or newly granted by PRI in connection with the
Acquisition would represent approximately 23.7% of the PRI Common Stock
outstanding immediately following the Acquisition, assuming the exercise of
all outstanding options to purchase PRI Common Stock.     
 
  Although Massachusetts law and the Amended and Restated Articles of
Organization of PRI do not require PRI to obtain stockholder approval of the
Acquisition, the rules of the Nasdaq National Market require PRI to obtain
stockholder approval of the issuance of the 4,364,020 shares of PRI Common
Stock expected to be issued by PRI in the Acquisition because those shares
will represent more than 20% of the number of shares of PRI Common Stock
outstanding immediately before the issuance of those shares.
 
  At the Special Meeting, holders of PRI Common Stock will also be asked to
consider and vote upon a proposal to amend PRI's Amended and Restated Articles
of Organization to increase the number of authorized shares of PRI Common
Stock from 24,000,000 to 50,000,000 shares (the "Charter Proposal"). The
approval of the Charter Proposal is not a condition to the consummation of the
Acquisition.
 
  THE BOARD OF DIRECTORS OF PRI HAS UNANIMOUSLY APPROVED THE PRI SHARE
PROPOSAL AND THE CHARTER PROPOSAL AND UNANIMOUSLY RECOMMENDS THAT PRI
STOCKHOLDERS VOTE FOR THE PRI SHARE PROPOSAL AND THE CHARTER PROPOSAL. See
                  ---
"The Acquisition--Background of the Acquisition" and "--Recommendation of the
Board of Directors of PRI; PRI's Reasons for the Acquisition"and "Approval of
Amendment to PRI's Amended and Restated Articles of Organization to Increase
the Number of Authorized Shares of PRI Common Stock."
 
RECORD DATE
 
  The PRI Board of Directors has fixed the close of business on December 9,
1997 as the record date for the Special Meeting. Only holders of record of PRI
Common Stock at the close of business on the Record Date will be entitled to
notice of and to vote at the Special Meeting.
 
QUORUM
 
  The presence in person or by properly executed proxy of holders of a
majority of all of the issued and outstanding shares of PRI Common Stock is
necessary to constitute a quorum at the Special Meeting.
 
 
                                      11
<PAGE>
 
REQUIRED VOTES
 
  The PRI Share Proposal requires the approval of a majority of the votes cast
in person or by proxy on the proposal by holders of PRI Common Stock
outstanding on the Record Date. Accordingly, abstentions and broker non-votes
will have no effect on the outcome of the proposal. The Charter Proposal
requires approval by the affirmative vote of a majority of the shares of PRI
Common Stock outstanding on the Record Date. Abstentions and broker non-votes
will have the effect of votes against this proposal. The approval of the
Charter Proposal is not a condition to the consummation of the Acquisition.
   
  As of the Record Date, 15,152,419 shares of PRI Common Stock were
outstanding. On October 31, 1997, there were outstanding 15,117,997 shares of
PRI Common Stock, and, as of that date, the directors and executive officers
of PRI beneficially owned as a group approximately 13.2% of the outstanding
shares of PRI Common Stock. See "Security Ownership of Certain Beneficial
Owners And Management of PRI." These directors and executive officers have
indicated that they intend to vote all of their shares in favor of the PRI
Share Proposal and the Charter Proposal.     
 
VOTING RIGHTS; PROXIES
 
  Holders of PRI Common Stock are entitled to one vote per share and may vote
in person or by written proxy. All shares of PRI Common Stock represented by
properly executed proxies will be voted in accordance with the instructions
indicated in those proxies, unless the proxies have been previously revoked.
IF NO INSTRUCTIONS ARE INDICATED ON A PROPERLY EXECUTED PROXY, THE SHARES OF
PRI COMMON STOCK REPRESENTED BY THAT PROXY WILL BE VOTED FOR THE PRI SHARE
                                                         ---
PROPOSAL AND THE CHARTER PROPOSAL. PRI does not know of any matters other than
those described in the accompanying PRI Notice of Special Meeting of
Stockholders that are to come before the Special Meeting. If any other matter
or matters are properly presented for action at the Special Meeting, the
persons named in the enclosed form of proxy and acting thereunder will have
the discretion to vote on such matters in accordance with their best judgment,
unless such authorization is withheld.
 
REVOCATION OF PROXIES
 
  A PRI stockholder who has executed a proxy may revoke the proxy at any time
before it is exercised at the Special Meeting in three ways: (i) by giving
written notice of revocation to the Clerk of PRI at PRI's headquarters, 805
Middlesex Turnpike, Billerica, Massachusetts 01821-3986, (ii) by signing and
returning a later dated proxy or (iii) by attending the Special Meeting and
informing the Clerk of PRI in writing that he or she wishes to vote in person.
However, mere attendance at the Special Meeting will not in and of itself have
the effect of revoking the proxy. ACCORDINGLY, STOCKHOLDERS OF PRI WHO HAVE
EXECUTED AND RETURNED PROXY CARDS IN ADVANCE OF THE SPECIAL MEETING MAY CHANGE
THEIR VOTES AT ANY TIME PRIOR TO OR AT THE SPECIAL MEETING.
 
TABULATION OF VOTES
 
  Votes cast in person or by proxy at the Special Meeting will be tabulated by
the election inspectors appointed for the Special Meeting. The election
inspectors will also determine whether or not a quorum is present. The
election inspectors will treat abstentions as shares that are present and
entitled to vote for purposes of determining the presence of a quorum. If a
broker indicates on the proxy that it does not have discretionary authority as
to certain shares to vote on a particular proposal, those shares will be
included for purposes of determining the presence of a quorum but will not be
considered as present and entitled to vote with respect to that proposal.
 
SOLICITATION OF PROXIES
 
  PRI will bear its own costs of solicitation of proxies. PRI will also
reimburse brokerage houses, fiduciaries, nominees and others for their out-of-
pocket expenses in forwarding proxy materials to beneficial owners of stock
held in their names. Certain directors, officers and employees of PRI may
solicit proxies, without additional remuneration, by telephone, facsimile,
telegraph and in person. PRI expects that the expense of such special
solicitation will be nominal.
 
                                      12
<PAGE>
 
  THE MATTERS TO BE CONSIDERED AT THE SPECIAL MEETING ARE OF GREAT IMPORTANCE
TO THE STOCKHOLDERS OF PRI. ACCORDINGLY, PRI STOCKHOLDERS ARE URGED TO READ
AND CAREFULLY CONSIDER THE INFORMATION PRESENTED IN THIS PROXY STATEMENT, AND
TO COMPLETE, DATE, SIGN AND PROMPTLY RETURN THE ENCLOSED PROXY IN THE ENCLOSED
POSTAGE PRE-PAID ENVELOPE.
 
APPRAISAL AND DISSENTERS' RIGHTS
 
  Under the MBCL, holders of PRI Common Stock are not entitled to dissent from
the PRI Share Proposal or the Charter Proposal or to demand appraisal of their
shares as a result of the approval of the PRI Share Proposal or the Charter
Proposal.
 
                                      13
<PAGE>
 
                                THE ACQUISITION
 
  This section of the Proxy Statement and the next two sections of the Proxy
Statement, entitled "The Merger Agreement" and "Other Agreements," describe
certain aspects of the proposed Acquisition. To the extent that the following
description relates to the Merger Agreement, the Registration Rights Agreement
or the Related Company Acquisition Agreements described under "Other
Agreements," it does not purport to be complete and is qualified in its
entirety by reference to the Merger Agreement and the Registration Rights
Agreement, which are attached as Annexes A and C to this Proxy Statement and
incorporated herein by reference, and to the Related Company Acquisition
Agreements filed as Exhibits 10.20 and 10.21 to PRI's Current Report on Form
8-K filed on November 10, 1997, which are incorporated herein by reference.
PRI urges all stockholders to read the Merger Agreement, the Registration
Rights Agreement and the Related Company Acquisition Agreements in their
entirety.
 
GENERAL
 
  The Merger Agreement provides that the Merger will be consummated if the
required approval of the PRI stockholders is obtained and all other conditions
to the Merger are satisfied or waived. Upon consummation of the Merger,
Acquisition Corp. will be merged with and into Equipe and Equipe will become a
wholly owned subsidiary of PRI. Pursuant to the Merger, each outstanding share
of Equipe Common Stock will be converted into the right to receive 0.760372
shares of PRI Common Stock; in the aggregate, PRI expects to issue 4,088,020
shares of PRI Common Stock to holders of outstanding Equipe Common Stock.
 
  In the Related Company Acquisitions, PRI will issue an aggregate of 276,000
shares of PRI Common Stock in exchange for all of the issued and outstanding
capital stock of the Related Companies, which will also become wholly owned
subsidiaries of PRI. The Related Company Acquisitions will occur if and only
if the Merger is consummated. See "Other Agreements--Related Company
Acquisition Agreements."
 
  Based upon the number of shares of PRI Common Stock outstanding on October
31, 1997, the shares of PRI Common Stock to be issued or reserved for issuance
in connection with the Acquisition would represent approximately 23.7% of the
PRI Common Stock outstanding immediately following the Acquisition, assuming
the exercise of all outstanding options to purchase PRI Common Stock. On
October 24, 1997, the last trading day preceding the public announcement of
the Acquisition, the high, low and closing sale prices of the PRI Common Stock
were $42.125, $34.875 and $36.750, respectively.
 
EFFECTIVE TIME
 
  The Merger will become effective at the time when a copy of the Merger
Agreement, certificates of the officers of Equipe and Acquisition Corp., and a
certificate of satisfaction from the California Franchise Tax Board with
respect to Acquisition Corp. (together, the "Merger Documents") have been
filed with the Secretary of State of California. The time of the filing will
be the "Effective Time" of the Merger, provided that the Secretary of State of
California subsequently accepts the filings in due course, as PRI and Equipe
expect. The filing of the Merger Documents will occur as soon as practicable
after the satisfaction or waiver of all conditions to the closing of the
transactions contemplated by the Merger Agreement. The Merger Agreement may be
terminated, under certain circumstances, by either party if the Merger shall
not have been consummated on or before May 31, 1998. The Merger Agreement may
also be terminated under certain other circumstances. See "The Merger
Agreement--Conditions to the Merger" and "--Termination."
 
BACKGROUND OF THE ACQUISITION
 
  On March 19, 1997, Mitchell Weiss, Vice President, Strategy/Technology of
PRI, met with James Cameron, Chief Executive Officer of Equipe, and Paul
Rogan, President and Chief Financial Officer of Equipe, at the offices of
Equipe in Sunnyvale, California to discuss product and technology
compatibility of PRI and Equipe products.
 
 
                                      14
<PAGE>
 
  On March 26, 1997, Mordechai Wiesler, Chairman and Chief Executive Officer
of PRI, Mitchell G. Tyson, President and Chief Operating Officer of PRI, and
Bob Klimm, Vice President of Operations and General Manager of Factory
Automation Products of PRI, met with Messrs. Cameron and Rogan in Sunnyvale,
California to discuss a potential business relationship between PRI and
Equipe, including the potential merger of the two companies.
 
  On June 6, 1997, Messrs. Wiesler, Tyson, Weiss, Allison, Cameron and Rogan
met at the headquarters of PRI in Billerica, Massachusetts to continue
discussions regarding a potential business relationship between the two
companies.
 
  On June 17, 1997, Messrs. Wiesler, Tyson, Cameron and Rogan met in Dallas,
Texas to discuss a potential merger of the two companies and the basis for a
valuation of Equipe. These discussions were continued in San Francisco,
California on July 17, 1997 at Semicon West. Also on July 17, 1997, Mr.
Wiesler met with Frantisek Pavlik, Lubomir Skrobak and Steven The, each of
whom is a founder of Equipe, to discuss engineering matters.
 
  On June 27, 1997, Mr. Weiss and James J. Costa, Vice President, Tool
Automation Systems Division of PRI, visited Equipe's facilities to review
product design and manufacturing facilities.
 
  On August 5, 1997, at a meeting of the Board of Directors of PRI in
Billerica, Massachusetts, Messrs. Wiesler and Tyson reported on the
preliminary discussions with respect to a possible business combination with
Equipe. The PRI Board authorized and instructed management to explore the
possibility of a merger with Equipe and to continue discussions with
representatives of Equipe.
 
  On August 7 and 8, 1997, Mr. Tyson, Stephen D. Allison, Chief Financial
Officer of PRI, and Bob Postle, Vice President, Marketing and Sales of PRI,
met with Messrs. Cameron and Rogan and other executive officers of Equipe,
together with representatives of Morgan Stanley and BT Alex. Brown
Incorporated ("BT Alex. Brown"), financial advisors to PRI and Equipe,
respectively, at the offices of Equipe in Sunnyvale, California to discuss a
potential transaction between the two companies and to perform business due
diligence with respect to Equipe.
 
  On August 21, 1997, Messrs. Wiesler, Tyson, and Allison met with
representatives of Morgan Stanley in Billerica, Massachusetts to continue
discussions regarding a potential acquisition of Equipe and to discuss an
initial offer price for Equipe. Messrs. Wiesler, Tyson and Allison and the
representatives of Morgan Stanley conducted a conference call with
representatives of BT Alex. Brown to convey interest in Equipe and to express
a preliminary range of PRI's valuation of the business of Equipe.
 
  On September 5, 1997, representatives of Morgan Stanley and BT Alex. Brown
met at the offices of Morgan Stanley in New York, New York to discuss the
relative valuation of the two companies and subsequent steps to be taken with
respect to the potential acquisition of Equipe by PRI.
 
  On September 18, 1997, Mr. Tyson met with Messrs. Pavlik, Skrobak and The in
Billerica, Massachusetts to discuss a potential business plan for the combined
companies.
 
  On September 19, 1997, Messrs. Tyson, Allison, Cameron and Rogan spoke by
telephone and tentatively agreed that PRI would acquire Equipe, the Related
Companies and Equipe's European distributor for an aggregate purchase price of
4.8 million shares of PRI Common Stock, including shares to be issued for the
Related Companies and Equipe's European distributor and options to be assumed
by PRI in connection with the acquisition of Equipe, the Related Companies and
Equipe's European distributor. None of Equipe and the Related Companies shares
common management or ownership with Equipe's European distributor.
 
  On September 24, 1997, Messrs. Tyson and Allison and William Boecke,
Controller of PRI, met with Messrs. Cameron and Rogan at the offices of
Brobeck, Phleger & Harrison LLP, counsel for Equipe, in Palo Alto, California,
together with representatives of Morgan Stanley and BT Alex. Brown,
representatives of Coopers & Lybrand L.L.P. and Ernst & Young L.L.P.,
independent accountants for PRI and Equipe, respectively, representatives of
Foley, Hoag & Eliot LLP, counsel for PRI, and representatives of Brobeck,
Phleger & Harrison
 
                                      15
<PAGE>
 
LLP, to continue discussions with respect to the terms of the acquisition
relating to option grants, the treatment of affiliates and liquidity for the
stockholders of Equipe and the Related Companies. At that meeting, PRI and
Equipe executed a non-binding letter of intent with respect to the acquisition
of Equipe, the Related Companies and Equipe's European distributor by PRI. The
parties continued financial, accounting and legal due diligence with respect
to Equipe.
 
  During the period from September 24, 1997 through the announcement of the
execution of the Merger Agreement and the Related Company Acquisition
Agreements on October 27, 1997, representatives of PRI and Equipe and their
respective financial advisors and legal counsel were in frequent contact to
negotiate the terms of the Merger Agreement, the Registration Rights
Agreement, the Related Company Acquisition Agreements and the Employment
Agreements. The principal areas of negotiations included the representations
and warranties to be made by Equipe in the Merger Agreement; the business
covenants to be made by Equipe in the Merger Agreement; the indemnification
obligations of Equipe's stockholders; the conditions required for a
termination of the Merger Agreement; and the terms of the acquisition of the
Related Companies and Equipe's European distributor.
 
  Between October 6, 1997 and October 11, 1997, Messrs. Tyson and Cameron
spoke repeatedly by telephone to discuss and resolve outstanding issues with
respect to the acquisition of the Related Companies and Equipe's European
distributor.
 
  On October 7, 1997, the Board of Directors of PRI met in Boston,
Massachusetts to discuss the terms of the proposed acquisition of Equipe and
the Related Companies as well as other pending business.
 
  On October 16 and 17, 1997, Messrs. Wiesler, Tyson and Allison met with Mr.
Cameron, together with representatives of Morgan Stanley and BT Alex. Brown in
Billerica, Massachusetts to continue discussions with respect to the combined
business plan of PRI and Equipe and to perform business due diligence with
respect to PRI.
 
  Between October 21 and 24, 1997, Messrs. Tyson and Allison negotiated by
telephone with Messrs. Cameron and Rogan, together with representatives of
Morgan Stanley, BT Alex. Brown, Foley, Hoag & Eliot LLP and Brobeck, Phleger &
Harrison LLP, to resolve outstanding issues with respect to the proposed
acquisitions. The parties agreed that PRI would not acquire Equipe's European
distributor.
 
  On October 25, 1997, the directors and the stockholders of Equipe each took
action by written consent to approve the Merger Agreement and related
documents.
 
  On October 25, 1997, the PRI Board held a meeting to consider the proposed
Acquisition. A quorum was present and acting throughout. Members of PRI's
senior management and representatives of Morgan Stanley and Foley, Hoag &
Eliot LLP made presentations and reviewed the matters set forth under "--
Recommendation of the Board of Directors of PRI; Reasons for the Acquisition."
The terms of the Merger Agreement, the Registration Rights Agreement, the
Related Company Acquisition Agreements and the Employment Agreements were
reviewed with the directors. Morgan Stanley rendered its oral opinion,
confirmed by a subsequent written opinion dated October 26, 1997, that, as of
October 25, 1997, the Consideration (as defined in the written opinion) to be
paid by PRI pursuant to the Merger Agreement and the Related Company
Acquisition Agreements was fair from a financial point of view to PRI. After
discussion and consideration, the directors present voted unanimously to
approve the issuance of shares of PRI Common Stock in the Acquisition and to
approve the Merger Agreement and related documents for the transaction.
 
  On October 25, 1997, the parties executed the Merger Agreement and the
Related Company Acquisition Agreements. On October 27, 1997, the parties
issued a joint press release announcing the execution of the Merger Agreement
and the Related Company Acquisition Agreements.
 
RECOMMENDATION OF THE BOARD OF DIRECTORS OF PRI; PRI'S REASONS FOR THE
ACQUISITION
 
  At its October 25, 1997 meeting, the Board of Directors of PRI determined
that the consideration to be paid in the Acquisition was fair from a financial
point of view to PRI and in the best interests of its stockholders. The
 
                                      16
<PAGE>
 
PRI Board unanimously approved the Merger Agreement, the Related Company
Acquisition Agreements and the transactions contemplated thereby and
unanimously recommends that PRI stockholders vote in favor of the issuance of
shares of PRI Common Stock pursuant to the Merger Agreement and the Related
Company Acquisition Agreements.
 
  The PRI Board believes that by combining the highly complementary product
lines of the two companies, the combined companies will have the potential to
realize superior operating and financial results and to further enhance their
competitive position in the semiconductor factory automation segment of the
semiconductor capital equipment industry. The PRI Board has identified the
following potential benefits of the Acquisition:
 
  . Ability to Offer Seamless End-to-End Factory Automation Solutions. The
    combined companies will be able to offer their end-user and OEM customers
    a seamlessly integrated solution to their automation needs that improves
    the flow of wafers from chamber to chamber, bay to bay and throughout the
    customers' semiconductor fabrication facilities ("fabs"). By improving
    overall fab productivity, the combined companies will be able to help
    maximize customers' returns on capital investments.
 
  . Better Positioned to Meet Customer Needs. The combined companies will be
    better positioned to deliver one of the industry's most comprehensive
    wafer flow automation solutions to their semiconductor customers. The
    Acquisition will enable the customers of the combined companies to work
    with a single supplier to purchase a comprehensive solution for their
    semiconductor factory automation needs. This focus will allow the
    combined companies' tool manufacturer customers to focus on their core
    process technologies rather than on the development of front-end
    automation expertise.
 
  . Increased Sales Opportunities for the Combined Companies. Because of the
    combined companies' ability to deliver seamless semiconductor factory
    automation solutions, the Acquisition will provide an opportunity for
    increased sales to current PRI and Equipe customers and an opportunity to
    market the combined companies' broader and more integrated product line
    to new customers.
 
  . Growth Opportunities for Equipe. The PRI stockholders would have the
    opportunity to participate in any growth of Equipe's business. PRI
    believes that Equipe's business has attractive growth prospects as a
    result of (i) increasing customer demand for automation equipment as the
    semiconductor industry transitions from 200mm to 300mm wafer processing
    equipment; (ii) increased sales of its highly reliable atmospheric wafer
    handling robots to customers in Asia and Europe; and (iii) additional
    sales that may result from the introduction of its new line of vacuum
    wafer handling robots.
 
  . Experienced Management Team. The Equipe management team is a group of
    experienced professionals with an established track record of generating
    substantial growth, profits and customer satisfaction in the
    semiconductor factory automation segment by designing, manufacturing and
    marketing superior wafer handling robots.
 
  . Immediate Earnings Per Share Accretion. The Acquisition is expected to be
    immediately accretive to PRI's earnings per share. See "Selected
    Historical and Pro Forma Combined Financial Data" and the Unaudited Pro
    Forma Condensed Combined Financial Statements and notes thereto included
    elsewhere in this Proxy Statement.
 
  . Leverages Japanese Presence. By leveraging Equipe's existing
    infrastructure and presence in Japan, PRI believes that it will be able
    to reduce the time required to introduce its products in this sizable and
    strategically important semiconductor market.
 
  . Establishes A Strong West Coast Presence. Equipe's Sunnyvale, California
    location will establish a strong base in northern California from which
    PRI can support its customers and PRI's Billerica, Massachusetts location
    will provide Equipe with a base from which to support its customers in
    the eastern United States.
 
  In addition, the PRI Board considered the following material factors in its
evaluation of the Acquisition: (i) the opinion of Morgan Stanley, rendered
orally on October 25, 1997 and subsequently confirmed in writing on October
26, 1997, that the Consideration (as defined in the written opinion) to be
paid by PRI pursuant to the
 
                                      17
<PAGE>
 
Merger Agreement and the Related Company Acquisition Agreements was fair from
a financial point of view to PRI; (ii) its knowledge of the business,
operations, properties, assets, financial condition, operating results and
prospects of PRI and Equipe; (iii) current industry, economic and market
conditions; (iv) presentations by PRI's management with respect to the
acquisition of Equipe and the Related Companies; (v) the terms of the Merger
Agreement, the Registration Rights Agreement, the Related Company Acquisition
Agreements and the Employment Agreements; and (vi) the expected accounting
treatment of the transaction as a pooling of interests.
 
  The PRI Board also considered a number of potential risks relating to the
Acquisition, including (i) the difficulty and management distraction inherent
in integrating the combined companies, (ii) the substantial charges expected
to be incurred in connection with the Acquisition, including costs of
integrating the businesses and transaction expenses arising from the
Acquisition, (iii) the risk that the trading price of PRI Common Stock might
be adversely affected by the announcement of the Acquisition, (iv) the risk
that the benefits sought in the Acquisition would not be fully achieved, (v)
the risk that the Acquisition would not be consummated following their public
announcement, (vi) the risks of Equipe suffering employee attrition and
failing to attract key personnel due to uncertainties associated with the
pending Acquisition, and (vii) the risks associated with Equipe's foreign
operations.
 
  The foregoing discussion of the information and factors considered by the
PRI Board is not intended to be exhaustive but is believed to include all
material factors considered by the PRI Board. In view of the wide variety of
information and factors, both positive and negative, considered, the PRI Board
did not find it practical to, and did not, quantify or otherwise assign any
relative or specific weights to the foregoing factors, and individual
directors may have given differing weights to different factors.
 
EQUIPE'S REASONS FOR THE MERGER
 
  On October 25, 1997, the Board of Directors of Equipe (the "Equipe Board")
unanimously approved the Merger Agreement and the transactions contemplated
thereby. In addition to the anticipated joint benefits described above under
"--Recommendation of the Board of Directors of PRI; PRI's Reasons for the
Acquisition," the Equipe Board believes that the following are additional
reasons the Merger will be beneficial to Equipe and its stockholders:
 
  . Complementary Product Lines. The Equipe Board believes that the Merger
    presents an opportunity for the combined companies to offer broader and
    stronger product lines than either company can offer on its own. The
    combined companies will be able to provide better solutions for
    semiconductor and flat panel display equipment manufacturers by providing
    integrated products which more efficiently address customer needs.
 
  . Pooled Resources. The Equipe Board expects that the combined
    technological and engineering resources of the combined companies will
    allow them to better utilize their research and development efforts to
    further innovate and enhance new and existing product offerings.
 
  . Liquidity. The Equipe Board also considered the increased liquidity that
    the Merger would provide to the stockholders of Equipe as well as the
    benefits to its stockholders from owning part of a larger and financially
    stronger enterprise.
 
  The Equipe Board reviewed a number of additional factors relevant to the
Merger, including the strategic overview and prospects for Equipe, its
products and its finances. The Equipe Board also considered, among other
matters, (i) historical information concerning Equipe's and PRI's respective
businesses, prospects, financial performance and condition, operations,
technology, management and competitive position, including public reports
concerning results of operations during the most recent fiscal year and fiscal
quarter for PRI with the SEC; (ii) Equipe's management's view as to the
financial condition, results of operations and businesses of PRI and Equipe
before and after giving effect to the Merger based on management's due
diligence and publicly available financial information; (iii) current
financial market conditions and historical market prices, volatility and
trading information with respect to the PRI Common Stock; (iv) the market
value of the PRI Common Stock
 
                                      18
<PAGE>
 
to be issued in exchange for each share of Equipe Common Stock; (v) the belief
that the terms of the Merger Agreement, including the parties'
representations, warranties and covenants, and the conditions to their
respective obligations, are reasonable; (vi) the Equipe Board's view as to the
prospects of Equipe as an independent company; (vii) Equipe's management's
view as to the potential for other third parties to enter into strategic
relationships with or to acquire Equipe; (viii) the impact of the Merger on
Equipe's customers and employees; and (ix) reports from Equipe management,
legal and financial advisors as to the results of their due diligence
investigation of PRI. In addition, the Equipe Board noted that the Merger is
expected to be accounted for as a pooling of interests and that no goodwill is
expected to be created on the books of the combined companies as a result
thereof.
 
  The Equipe Board also identified and considered a number of potentially
negative factors in its deliberations concerning the Merger, including, but
not limited to, (i) the risk that the potential benefits sought in the Merger
might not be fully realized; (ii) the possibility that the Merger would not be
consummated and the effect of the public announcement of the Merger on (a)
Equipe's sales and operating results, (b) Equipe's ability to attract and
retain key management, marketing and technical personnel and (c) progress of
certain development projects of Equipe; and (iii) the risk that despite the
efforts of the combined companies, key technical and management personnel may
not remain employed by the combined companies. The Equipe Board believed that
these risks were outweighed by the potential benefits of the Merger.
 
OPINION OF PRI'S FINANCIAL ADVISOR
 
  In a letter agreement effective as of October 23, 1997 (the "Engagement
Letter"), PRI engaged Morgan Stanley to provide a financial fairness opinion
in connection with the Acquisition. The Board of Directors of PRI selected
Morgan Stanley to act as PRI's financial advisor based on Morgan Stanley's
qualifications, expertise and reputation and its knowledge of the business and
affairs of PRI. At the telephonic meeting of PRI's Board on October 25, 1997,
Morgan Stanley rendered its oral opinion, subsequently confirmed in writing on
October 26, 1997, that, based upon and subject to the various considerations
set forth in the opinion, the Consideration (as defined in the written
opinion) to be paid by PRI pursuant to the Merger Agreement and the Related
Company Acquisition Agreements was fair from a financial point of view to PRI.
 
  The full text of the written opinion of Morgan Stanley dated October 26,
1997, which sets forth, among other things, the assumptions made, procedures
followed, matters considered and limitations on the scope of the review
undertaken by Morgan Stanley in rendering its opinion, is attached as Annex B
to this Proxy Statement and incorporated herein by reference. PRI stockholders
are urged to, and should, read the opinion carefully and in its entirely.
Morgan Stanley's opinion is directed to the PRI Board and addresses only the
fairness of the Consideration (as defined therein) to be paid by PRI pursuant
to the Merger Agreement and the Related Company Acquisition Agreements from a
financial point of view as of the date of the opinion, and does not constitute
a recommendation to any holder of PRI Common Stock as to how to vote at the
Special Meeting. The following summary of the opinion of Morgan Stanley is
qualified in its entirety by reference to the full text of the opinion
attached as Annex B to this Proxy Statement.
 
  In rendering its opinion, Morgan Stanley, among other things: (i) reviewed
certain publicly available financial statements and other information of PRI;
(ii) reviewed certain internal financial statements and other financial and
operating data concerning the Equipe Combined Companies; (iii) analyzed
certain financial projections prepared by the management of the Equipe
Combined Companies; (iv) discussed the past and current operations and
financial condition and the prospects of the Equipe Combined Companies with
senior executives of Equipe; (v) discussed certain internal financial
statements and other financial operating data concerning PRI prepared by the
management of PRI; (vi) discussed certain financial projections prepared by
the management of PRI; (vii) discussed the past and current operations and
financial conditions and the prospects of PRI with senior executives of PRI,
and analyzed the pro forma impact of the Acquisition on PRI's earnings per
share; (viii) compared the financial performance of the Equipe Combined
Companies with that of certain other comparable publicly traded companies;
(ix) reviewed the financial terms, to the extent publicly available, of
certain
 
                                      19
<PAGE>
 
comparable acquisition transactions; (x) reviewed and discussed with the
senior managements of PRI and Equipe the strategic rationale for the Merger
and certain alternatives to the Acquisition; (xi) participated in discussions
and negotiations among representatives of PRI and the Equipe Combined
Companies and their financial and legal advisors; (xii) reviewed the Merger
Agreement, the Related Company Acquisition Agreements and certain related
documents; and (xiii) considered such other factors as it deemed appropriate.
 
  Morgan Stanley assumed and relied upon, without independent verification,
the accuracy and completeness of the information reviewed by it for the
purposes of its opinion. With respect to the financial projections, Morgan
Stanley assumed that they were reasonably prepared on bases reflecting the
best currently available estimates and judgments of the future financial
performance of PRI and the Equipe Combined Companies. Morgan Stanley relied
upon the assessment by the managements of the Equipe Combined Companies and
PRI of their ability to retain key employees of both the Equipe Combined
Companies and PRI. Morgan Stanley also relied upon, without independent
verification, the assessment by the managements of the Equipe Combined
Companies and PRI of the Equipe Combined Companies' and PRI's technologies and
products, the timing and risks associated with the integration of the Equipe
Combined Companies with PRI, and the validity of, and risks associated with,
the Equipe Combined Companies' and PRI's existing and future products and
technologies. Morgan Stanley did not make any independent valuation or
appraisal of the assets, liabilities or technology of the Equipe Combined
Companies or PRI, respectively, nor was Morgan Stanley furnished with any such
appraisals. Morgan Stanley assumed that the Acquisition will be accounted for
as a pooling-of-interests business combination in accordance with U.S.
generally accepted accounting principles and will qualify as a
"reorganization" within the meaning of Section 368(a) of the Code. Morgan
Stanley assumed that the Acquisition will be consummated in accordance with
the terms set forth in the Merger Agreement and the Related Company
Acquisition Agreements. Morgan Stanley's opinion was necessarily based on
economic, market and other conditions as in effect on, and the information
made available to it as of, the date of the opinion.
 
  The following is a brief summary of the analysis performed by Morgan Stanley
in preparation of its opinion letter dated October 26, 1997.
 
 Relative Contribution Analysis
 
  Morgan Stanley analyzed the pro forma contribution of each of the Equipe
Combined Companies and PRI to the combined company assuming consummation of
the Merger and based on earnings estimates for PRI as published by Morgan
Stanley Equity Research on June 3, 1997 and estimates for the Equipe Combined
Companies based upon discussions with the management of the Equipe Combined
Companies. This analysis, among other things, showed that in terms of revenue,
the Equipe Combined Companies would contribute 22.2% in the fiscal year ended
September 30, 1997 and a range of 24.1% to 26.7% in the fiscal year ending
September 30, 1998, and in terms of net income, the Equipe Combined Companies
would contribute 31.7% in the fiscal year ended September 30, 1997 and a range
of 27.0% to 33.4% in the fiscal ending September 30, 1998. These figures,
adjusted to reflect each company's capital structure, were compared to the pro
forma ownership of the combined company by PRI stockholders of 76.8% on a
fully converted basis based on the Consideration to be paid by PRI pursuant to
the Merger Agreement and the Related Company Acquisition Agreements.
 
 Discounted Equity Value
 
  Morgan Stanley performed an analysis of the present value of the Equipe
Combined Companies' theoretical future trading value based on a range of
estimated earnings for the Equipe Combined Companies for calendar years 1999
and 2001, illustrative multiples of estimated 1999 and 2001 earnings per share
ranging from 20.0 times to 24.0 times next calendar year's earnings per share
and calculated a present value based on discount rates ranging from 16.0% to
20.0% based on illustrative estimates of the theoretical return required by
stockholders to hold shares of the Equipe Combined Companies. Based on this
analysis, Morgan Stanley calculated a present value of the potential
theoretical future trading price value ranging from $230 million to $400
million for the Equipe Combined Companies.
 
                                      20
<PAGE>
 
 Peer Group Comparison
   
  Morgan Stanley compared certain financial information of the Equipe Combined
Companies with that of a group of semiconductor automation companies,
including PRI, Brooks Automation and Asyst Technologies. Such financial
information included, among other things, market valuation, stock price as a
multiple of earnings per share, and the ratio of calendar year 1998 price-
earnings multiple to projected growth rate. In particular, such analysis
showed that as of October 24, 1997, based on the median earnings per share and
five-year projected earnings per share growth rate projections as published by
the Institutional Brokers Estimates Service as of October 24, 1997, PRI traded
at a multiple of 30.9 times forecasted earnings per share for the calendar
year 1997 and a multiple of 23.1 times forecasted earnings per share for the
calendar year 1998 (representing a multiple of 0.71 times its forecasted
growth rate), compared to multiples for Asyst Technologies of 24.3 times and
18.4 times (representing a multiple of 0.61 times its forecasted growth rate)
and a multiple for Brooks Automation of 19.8 times forecasted earnings per
share for the calendar year 1998 (representing a multiple of 0.72 times its
forecasted growth rate). Such analysis also showed growth rate projections of
32.5% for PRI, 30.0% for Asyst Technologies and 27.5% for Brooks Automation.
No company used in the peer group comparison is identical to the Equipe
Combined Companies.     
 
 Analysis of Selected Precedent Transactions
 
  As part of its analysis, Morgan Stanley reviewed seven large semiconductor
capital equipment transactions: Fusion Systems/Eaton, OnTrak Systems/Lam
Research, Tencor Instruments/KLA Instruments, Opal/Applied Materials, Orbot
Instruments/Applied Materials, Electrotech Group/Plasma and Materials, and
Megatest/Teradyne (collectively, the "Acquisition Transactions"). Morgan
Stanley compared certain statistics for the Acquisition Transactions to the
relevant financial statistics for the Equipe Combined Companies. The analysis
of the Acquisition Transactions showed multiples of revenue ranging from 2.0
times to 3.0 times latest twelve months revenues, multiples of earnings of
14.5 times to 45.6 times latest twelve months earnings and multiples of
earnings ranging from 17.6 times to 39.9 times one year forward projected
earnings. These compared to multiples for the Equipe Combined Companies of 3.9
times latest twelve months revenues, 23.2 times latest twelve months earnings
and a range of 13.2 times to 18.0 times one year forward earnings. No
transaction used in the analysis of selected precedent transactions is
identical to the Transactions.
 
 Pro Forma Analysis of the Acquisition
 
  Morgan Stanley analyzed the pro forma impact of the Acquisition on PRI's
estimated earnings per share for the fiscal year ending September 30, 1998.
Such analysis was based on earnings estimates for PRI as published by Morgan
Stanley Equity Research on June 3, 1997 for the corresponding periods. Morgan
Stanley observed that, assuming that the Acquisition were treated as a pooling
of interests for accounting purposes and before taking into account any one-
time restructuring charges or any synergies resulting from the combination,
the Acquisition would result in modest earnings per share accretion for PRI
stockholders for the fiscal year ending September 30, 1998, based on the
Consideration to be paid by PRI pursuant to the Merger Agreement and the
Related Company Acquisition Agreements.
 
  In connection with the review of the Acquisition by the PRI Board, Morgan
Stanley performed a variety of financial and comparative analyses for purposes
of its opinion given in connection therewith. While the foregoing summary
describes the analyses and factors reviewed by Morgan Stanley in connection
with its opinion, it does not purport to be a complete description of all the
analyses performed by Morgan Stanley in arriving at its opinion. The
preparation of a fairness opinion is a complex process and is not necessarily
susceptible to partial analysis or summary description. In arriving at its
opinion, Morgan Stanley considered the results of all of its analyses as a
whole and did not attribute any particular weight to any analysis or factor
considered by it. Furthermore, selecting any portion of its analyses, without
considering all analyses, would create an incomplete view of the process
underlying its opinion. In addition, Morgan Stanley may have given various
analyses and factors more or less weight than other analyses and factors, and
may have deemed various assumptions more or less probable than other
assumptions, so that the ranges of valuations resulting from any particular
analysis
 
                                      21
<PAGE>
 
described above should not be taken to be Morgan Stanley's view of the actual
value of the Equipe Combined Companies. In performing its analyses, Morgan
Stanley made numerous assumptions with respect to industry performance,
general business and economic conditions and other matters, many of which are
beyond the control of PRI or the Equipe Combined Companies. Any estimates
contained herein are not necessarily indicative of future results or actual
values, which may be significantly more or less favorable than those suggested
by such estimates. The analyses performed were prepared solely as part of
Morgan Stanley's analysis of the fairness of the Consideration to be paid by
PRI pursuant to the Merger Agreement and the Related Company Acquisition
Agreements from a financial point of view to PRI and were conducted in
connection with the delivery of Morgan Stanley's opinion. The analyses do not
purport to be appraisals or to reflect the prices at which PRI or the Equipe
Combined Companies might actually be sold. Morgan Stanley did not recommend
the Consideration to be paid by PRI or that any consideration to be paid by
PRI constituted the only appropriate consideration for the Acquisition.
 
  In addition, as described in the Proxy Statement under the heading
"Recommendation of the Board of Directors of PRI; PRI's Reasons for the
Acquisition," Morgan Stanley's opinion and presentation to the PRI Board was
one of many factors taken into consideration by the PRI Board in making its
determination to recommend approval of the issuance of PRI Common Stock in the
Acquisition. Consequently, the Morgan Stanley analyses described above should
not be viewed as determinative of the opinion of the PRI Board or the view of
the management of PRI with respect to the Consideration paid for the Equipe
Combined Companies. The Consideration to be paid by PRI pursuant to the
Acquisition was determined through arm's-length negotiations between PRI and
the Equipe Combined Companies and was approved by the PRI Board. Morgan
Stanley provided advice to PRI during the course of such negotiations;
however, the decision to enter into the Merger Agreement and the Related
Company Acquisition Agreements and to pay the Consideration for the Equipe
Combined Companies was solely that of the PRI Board.
 
  Pursuant to the Engagement Letter, PRI engaged Morgan Stanley to act as
financial adviser in connection with a potential acquisition of or business
combination with the Equipe Combined Companies. Pursuant to the terms of the
Engagement Letter, PRI agreed to pay Morgan Stanley an advisory fee or
transaction fee depending on whether a transaction is consummated. The
advisory fee, payable if a transaction is not consummated, is expected to be
between $25,000 and $100,000. If the Acquisition is consummated, Morgan
Stanley will be entitled to receive a transaction fee of approximately $2.4
million against which any advisory fee paid will be credited. PRI has also
agreed to reimburse Morgan Stanley for its out-of-pocket expenses and to
indemnify Morgan Stanley and its affiliates, their respective directors,
officers, agents and employees and each person, if any, controlling Morgan
Stanley or any of its affiliates against certain liabilities, including
liabilities under federal securities laws, and expenses, related to Morgan
Stanley's engagement.
 
  Morgan Stanley is an internationally recognized investment bank and advisory
firm. As part of its investment banking business, Morgan Stanley is regularly
engaged in the valuation of businesses and their securities in connection with
mergers and acquisitions, negotiated underwritings, competitive biddings,
secondary distributions of listed and unlisted securities, private placements
and valuations, for estate, corporate or other purposes. Morgan Stanley is a
full-service securities firm engaged in securities trading and brokerage
activities as well as providing investment banking, financing and financial
advisory services. In the course of its trading, brokerage and financing
activities, Morgan Stanley may, at any time, hold long or short positions in,
and may trade or otherwise effect transactions for its own account or the
accounts of customers in, debt or equity securities of PRI.
 
INTERESTS OF CERTAIN PERSONS IN THE ACQUISITION
 
  Under the articles of incorporation and bylaws of Equipe, the directors,
officers, employees and agents of Equipe have certain rights of
indemnification, including with respect to the approval of the Merger
Agreement and the Merger. PRI has agreed that Equipe's indemnification
obligations under its articles of incorporation and bylaws at the date of the
Merger Agreement will survive the Merger and will not be amended, repealed or
otherwise modified for six years after the Effective Time in any manner that
would adversely affect the
 
                                      22
<PAGE>
 
indemnification rights of the directors, officers, employees and agents of
Equipe. PRI also agreed to take all action necessary to cause the Surviving
Corporation to comply with this obligation and to fulfill its obligations
under its articles of incorporation and bylaws.
 
  In connection with the Acquisition, certain executive officers of Equipe
will enter into employment and retention agreements with PRI, pursuant to
which they will be entitled to specified salaries, benefits and other
compensation, including certain severance payments upon termination and upon a
change in control of PRI. See "Other Agreements--Employment Agreements."
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
  The following discussion summarizes the anticipated material United States
federal income tax consequences of the Acquisition that are generally
applicable to PRI, Equipe, the Related Companies and the stockholders of
Equipe and the Related Companies under the United States Internal Revenue Code
of 1986, as amended (the "Code"). This discussion does not deal with all
federal income tax considerations that may be relevant to particular
stockholders of Equipe and the Related Companies in light of their particular
circumstances, such as stockholders owning, directly or indirectly, five
percent of more of either the total voting power or the total value of PRI
Common Stock following the Acquisition; stockholders who are dealers in
securities; stockholders who are subject to the alternative minimum tax
provisions of the Code; and stockholders who are foreign persons, who acquired
their shares in connection with stock option or stock purchase plans or in
other compensatory transactions, or who otherwise hold convertible securities,
warrants or options. In addition, the following discussion does not address
the tax consequences of transactions effectuated before or after the
Acquisition (whether or not such transactions are or were undertaken in
connection with the Acquisition), including transactions in which shares of
Equipe Common Stock or stock of the Related Companies were or are acquired or
transactions in which shares of PRI Common Stock are disposed of. Furthermore,
no foreign, state or local tax considerations are addressed in this
discussion.
 
  STOCKHOLDERS OF EQUIPE AND THE RELATED COMPANIES ARE URGED TO CONSULT THEIR
OWN TAX ADVISORS AS TO THE SPECIFIC TAX CONSIDERATIONS OF THE ACQUISITION,
INCLUDING THE APPLICABLE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES TO
THEM OF THE ACQUISITION.
 
  The following discussion is based on the Code, applicable United States
Treasury regulations, judicial authority, and administrative rulings and
practice, all as of the date of this Proxy Statement. The Internal Revenue
Service (the "IRS") is not precluded from adopting a contrary position. In
addition, there can be no assurance that future legislative, judicial or
administrative changes or interpretations will not adversely affect the
accuracy of the statements and conclusions set forth in this discussion. Any
such changes or interpretations could be applied retroactively and could
affect the tax consequences of the Acquisition to PRI, Equipe, the Related
Companies and the stockholders of Equipe and the Related Companies. At the
Closing, as a condition to the obligations of PRI and Equipe to consummate the
Merger, PRI and Equipe will receive opinions from their respective legal
counsel, Foley, Hoag & Eliot LLP and Brobeck, Phleger & Harrison LLP, to the
effect that for federal income tax purposes, the Merger and the Related
Company Acquisitions will constitute "reorganizations" within the meaning of
Section 368 of the Code.
 
  The Merger and the acquisition of E-Machine will generally result in no gain
or loss being recognized by holders of Equipe Common Stock and holders of
stock of E-Machine upon their receipt in the Merger and the acquisition of E-
Machine of PRI Common Stock solely in exchange for Equipe Common Stock and
stock of E-Machine. In addition, shareholders of Equipe Japan who are not
"U.S. Shareholders" (as defined in the following paragraph), will recognize no
gain or loss upon the exchange of their Equipe Japan stock for PRI Common
Stock in the acquisition of Equipe Japan.
 
  Individual citizens or residents of the United States for U.S. federal
income tax purposes, corporations or partnerships created in the United States
or under the laws of the United States or of any state, or estates or
 
                                      23
<PAGE>
 
   
trusts, other than foreign estates or trusts, who own ten percent or more of
the voting power of Equipe Japan (a "U.S. Shareholder") will not be required
to recognize gain upon the exchange of Equipe Japan stock for PRI Common Stock
in the acquisition of Equipe Japan. Under Treasury Department temporary
regulations promulgated in 1977, however, upon the exchange of their Equipe
Japan stock for PRI Common Stock, a U.S. Shareholder must include in his
income his allocable share of Equipe Japan's earnings and profits attributable
to the period during which he held his Equipe Japan stock while Equipe Japan
was a controlled foreign corporation, to the extent of the difference between
the fair market value of the PRI Common Stock the U.S. Shareholder receives
and the U.S. Shareholder's adjusted basis in the Equipe Japan stock the U.S.
Shareholder surrenders. Temporary regulations, however, are ineffective if not
finalized after three years. Proposed regulations, which are not currently
effective, would not require a U.S. Shareholder to include any amount in
income upon the exchange of Equipe Japan stock for PRI Common Stock. U.S.
Shareholders of Equipe Japan should consult their own tax advisors regarding
the potential application of either the temporary or proposed regulations.
    
  Finally, none of PRI, Acquisition Corp., Equipe and the Related Companies
will recognize material amounts of gain or loss solely as a result of the
Merger and the Related Company Acquisitions.
 
  The parties have not requested and will not request a ruling from the IRS in
connection with the Acquisition. The opinions of legal counsel referred to in
this discussion neither bind the IRS nor preclude the IRS from adopting a
contrary position. The opinions are subject to certain assumptions and
qualifications and the accuracy of certain representations made by PRI,
Acquisition Corp., Equipe, the Related Companies, and the stockholders of
Equipe and the Related Companies, including representations in certificates to
be delivered to counsel by the respective managements of PRI, Acquisition
Corp. and Equipe and by stockholders of Equipe and the Related Companies.
 
ANTICIPATED ACCOUNTING TREATMENT
 
  The Merger and the Related Company Acquisitions are expected to qualify as
"poolings of interests" for accounting and financial reporting purposes. Under
this method of accounting, the recorded assets and liabilities of PRI, Equipe
and the Related Companies will be carried forward to the combined company at
their recorded amounts, subject to any adjustments required to conform the
accounting policies of the four companies; income of the combined company will
include income of PRI, Equipe and the Related Companies for the entire fiscal
year of PRI in which the Merger and the Related Company Acquisitions occur;
and the reported income of the separate companies for prior periods will be
combined and restated as income of the combined company.
 
  Simultaneous with the execution of the Merger Agreement and the Related
Company Acquisition Agreements, the independent public accountants of PRI and
Equipe delivered written reports concurring with PRI's and the Equipe Combined
Companies' managements as to the availability of pooling-of-interests
accounting treatment for the Merger and the Related Company Acquisitions. The
Merger Agreement provides that a condition to the consummation of the Merger
is the receipt from the independent public accountants of both PRI and Equipe
of updated reports concurring with PRI's and the Equipe Combined Companies'
managements as to the availability of pooling-of-interests accounting
treatment for the Merger and the Related Company Acquisitions.
 
  To provide assurances that certain requirements for pooling-of-interests
accounting treatment will be met, each affiliate of PRI and Equipe has
executed a written agreement to the effect that, during the period beginning
on the date of the mailing of this Proxy Statement and ending on the day PRI
announces financial results covering at least 30 days of combined operations
of PRI and Equipe, he or she will not sell, exchange, transfer, pledge,
distribute or otherwise dispose of, or in any other way reduce his or her risk
relative to, any shares of PRI Common Stock or Equipe Common Stock owned by
him or her.
 
EFFECT ON STOCK OPTIONS
 
  At the Effective Time, PRI will assume Equipe's obligations under Equipe's
outstanding stock options (the "Equipe Options"). After the Effective Time,
each Equipe Option will entitle its holder to purchase a number of
 
                                      24
<PAGE>
 
shares of PRI Common Stock equal to product of the number of shares of Equipe
Common Stock issuable upon exercise of the Equipe Option immediately prior to
the Effective Time (without regard to vesting) multiplied by the Merger Ratio,
rounded up to the nearest whole number of shares of PRI Common Stock. After
the Effective Time, the per share exercise price of each Equipe Option will be
equal to the quotient of the exercise price per share of Equipe Common Stock
at which the Equipe Option was exercisable immediately prior to the Effective
Time divided by the Merger Ratio, rounded down to the nearest whole cent. Each
Equipe Option will otherwise have the same terms and conditions as provided in
the option agreement governing the Equipe Option immediately prior to the
Effective Time.
   
  As of October 31, 1997, there were outstanding options to acquire 170,500
shares of Equipe Common Stock, which at the Effective Time will be converted
into options to purchase 129,646 shares of PRI Common Stock. PRI has also
agreed to issue new options to purchase 720,000 shares of PRI Common Stock to
officers and employees of Equipe and the Related Companies to help ensure
retention of those employees. The new options will have an exercise price
equal to the last reported sale price per share of PRI Common Stock on the
Nasdaq National Market on the closing date of the Acquisition. The options
will be consistent in form and substance with nonqualified stock options
granted by PRI to employees having comparable responsibilities.     
 
  In the Merger Agreement, PRI agreed to file a Registration Statement on Form
S-8 with respect to the shares of PRI Common Stock issuable upon exercise of
the Equipe Options no later than January 4, 1998 or, if later, five business
days after the consummation of the Merger. PRI also agreed to use its best
efforts to maintain the effectiveness of the Registration Statement for as
long as any of the Equipe Options remains outstanding.
 
CERTAIN LEGAL MATTERS
   
  Pursuant to the requirements of the HSR Act, PRI and Equipe each filed in
December 1997 a Notification and Report Form with the FTC and the Antitrust
Division for review under the HSR Act. The waiting period under the HSR Act
with respect to these filings is expected to expire in January 1998.     
 
  PRI and Equipe believe that no additional governmental filings in the United
States are required with respect to the Acquisition, other than the filing of
the Merger Documents with the California Secretary of State. The FTC or the
Antitrust Division could take certain actions under the antitrust laws that it
deems necessary or desirable in the public interest, including seeking
divestiture of substantial assets of PRI or Equipe if the Acquisition is
consummated. Consummation of the Merger is conditioned upon, among other
things, the absence of any temporary restraining order, preliminary or
permanent injunction, or other order issued by any federal or state court in
the United States which prevents the consummation of the Merger.
 
FEDERAL SECURITIES LAW CONSEQUENCES; REGISTRATION RIGHTS
 
  The shares of PRI Common Stock to be issued in the Acquisition have not been
registered under the Securities Act and therefore will be "restricted
securities" which cannot be resold in the United States unless they are
registered under the Securities Act or unless an exemption from registration
is available. The certificates that will represent the shares of PRI Common
Stock to be issued in the Acquisition will bear legends stating that the
shares have not been registered under the Securities Act and referring to the
restrictions on the transfer and sale of the shares.
 
  In general, restricted securities may be sold in the public market only if
registered under the Securities Act or sold in compliance with Rule 144. Under
Rule 144 as currently in effect, any person (or persons whose shares are
aggregated), who has beneficially owned restricted securities for at least one
year is entitled to sell, within any three-month period, a number of those
securities that does not exceed the greater of 1% of the then-outstanding
shares of the issuer in the same class or the average weekly trading volume in
the public market during the four calendar weeks preceding the filing of the
seller's Form 144, provided that certain requirements concerning the
availability of public information concerning the issuer, the manner of sale
and the filing of the seller's Form 144 are satisfied. A person who is not an
affiliate, has not been an affiliate within three months prior to the sale and
has beneficially owned restricted securities for at least two years is
entitled to sell those
 
                                      25
<PAGE>
 
securities under Rule 144(k) without regard to any of the other limitations
described above. Rule 144 also provides that affiliates who are selling shares
that are not restricted securities must nonetheless comply with the same
restrictions applicable to restricted securities with the exception of the
holding period requirement. The one- and two-year holding periods described
above do not begin to run until the full purchase price or other consideration
is paid by the person acquiring the restricted securities from the issuer or
an affiliate of the issuer and may include the holding period of a prior owner
who is not an affiliate of the issuer.
 
  PRI has agreed to grant the stockholders of Equipe and the Related Companies
certain registration rights with respect to the shares of PRI Common Stock to
be issued in connection with the Acquisition pursuant to a Registration Rights
Agreement between PRI and those stockholders. The Registration Rights
Agreement, which is attached to this Proxy Statement as Annex C, will be
executed at the Closing. See "Other Agreements--Registration Rights
Agreement."
 
DIVIDENDS
 
  Under the terms of the Merger Agreement, none of PRI, Equipe and the Related
Companies is permitted to declare or pay any dividend or other distribution in
respect of its capital stock from the date of the Merger Agreement until the
Closing, except that Equipe and E-Machine may make distributions to their
stockholders solely to enable the stockholders to meet their federal and state
tax obligations with respect to the income of the two companies that is
attributable to the stockholders for 1997.
 
FEES AND EXPENSES
 
  The Merger Agreement provides that if the Merger is not consummated each
party will be responsible for its costs and expenses, including fees and
disbursements of consultants, investment bankers and other financial advisors,
counsel and accountants. If the Merger Agreement is terminated and the
termination results from a material and intentionally fraudulent
misrepresentation made by any party in the Merger Agreement or an intentional
breach by any party of its material agreements in the Merger Agreement, the
other parties will be entitled to recover from that party all fees and
expenses incurred by them in connection with the Acquisition.
 
  PRI will pay all of the fees and expenses, including fees and disbursements
of counsel and accountants, incurred in connection with the preparation,
printing and filing of this Proxy Statement, including any preliminary proxy
materials and any amendments or supplements to this Proxy Statement.
 
                                      26
<PAGE>
 
                             THE MERGER AGREEMENT
 
  The following description of the Merger Agreement does not purport to be
complete and is qualified in its entirety by reference to the copy of the
Merger Agreement attached as Annex A to this Proxy Statement, which is
incorporated herein by reference. PRI urges all stockholders to read the
Merger Agreement in its entirety.
 
TERMS OF THE MERGER
 
  The Merger. At the Effective Time, the separate existence of Acquisition
Corp. will cease and Acquisition Corp. will be merged with and into Equipe.
Equipe will remain as the surviving corporation (the "Surviving Corporation")
and will be a wholly owned subsidiary of PRI.
 
  The Effective Time. The Merger will become effective at the time (the
"Effective Time") and on the date (the "Effective Date") that the following
documents are filed with the Secretary of State of California (provided that
they are subsequently accepted by the Secretary of State of California in due
course): (i) a certificate of satisfaction of the California Franchise Tax
Board relating to Acquisition Corp., (ii) a copy of the Merger Agreement (or a
merger agreement as contemplated by Section 1101 of the California General
Corporation Law), and (iii) executed original certificates of the officers of
Equipe and Acquisition Corp. prepared in accordance with Section 1103 of the
California General Corporation Law.
 
  Articles of Incorporation and Bylaws. The articles of incorporation and
bylaws of Acquisition Corp. will be the articles of incorporation and bylaws
of the Surviving Corporation, except that the articles of incorporation will
be amended to provide that the name of the Surviving Corporation is Equipe
Technologies, Inc.
 
  Directors and Officers. The directors and officers of Acquisition Corp. will
be the directors and officers of the Surviving Corporation.
 
  Effect on Capital Stock of Equipe. At the Effective Time, each holder of
record of Equipe Common Stock issued and outstanding immediately prior to the
Effective Time (each, a "Holder") will receive a number of shares of PRI
Common Stock equal to the product of the number of shares of Equipe Common
Stock held of record by the Holder immediately prior to the Effective Time
multiplied by 0.760372 (the "Merger Ratio"). If, between the date of the
Merger Agreement and the Effective Time, the outstanding shares of PRI Common
Stock are changed into a different number of shares or a different class by
reason of any reclassification, recapitalization, split up, combination,
exchange of shares or readjustment, the Merger Ratio will be adjusted
accordingly.
 
  Effect of Merger on Equipe Options. At the Effective Time, PRI will assume
each outstanding Equipe Option. After the Effective Time, each Equipe Option
will entitle its holder to receive upon exercise (if and when vested) the
number of shares of PRI Common Stock equal to the product of the number of
shares of Equipe Common Stock issuable upon exercise of the option immediately
prior to the Effective Time (without regard to vesting) multiplied by the
Merger Ratio, rounded up to the nearest whole number of shares of PRI Common
Stock. After the Effective Time, the per share exercise price for the PRI
Common Stock issuable upon exercise of each Equipe Option will be equal to the
quotient, rounded down to the nearest whole cent, of the per share exercise
price of the option immediately prior to the Effective Time divided by the
Merger Ratio. Each Equipe Option will otherwise continue to have the same
terms and conditions as before the Effective Time.
 
  Effect on Capital Stock of Acquisition Corp. At the Effective Time, all of
the issued and outstanding shares of common stock of Acquisition Corp. will be
converted into 1,000 shares of common stock of the Surviving Corporation, all
of which will be held of record and beneficially by PRI.
 
  No Fractional Shares. PRI will not issue fractional shares of PRI Common
Stock in connection with the Merger. Instead, PRI will pay each Holder
otherwise entitled to a fractional share of PRI Common Stock an amount of cash
(rounded to the nearest whole cent) equal to the product of (i) the fraction
and (ii) the average of
 
                                      27
<PAGE>
 
the last reported sale price of the PRI Common Stock on the Nasdaq National
Market on each of the twenty consecutive trading days immediately preceding
the Effective Time.
 
  Exchange of Equipe Certificates. PRI has appointed an exchange agent (the
"Exchange Agent") in connection with the Merger to facilitate the surrender of
certificates representing outstanding shares of Equipe Common Stock and the
issuance of certificates representing the shares of PRI Common Stock to be
issued in the Merger. At the Closing, the Holders will surrender to the
Exchange Agent the certificates representing all of the outstanding shares of
Equipe Common Stock, all of which will be canceled. The Exchange Agent will
deliver to each Holder certificates representing the shares of PRI Common
Stock issuable to the Holder and cash in lieu of fractional shares.
 
  PRI STOCKHOLDERS SHOULD RETAIN THEIR STOCK CERTIFICATES AND SHOULD NOT
RETURN ANY OF THEIR STOCK CERTIFICATES WITH THE ENCLOSED PROXY CARD.
 
  Accounting and Tax Treatment. The parties intend that the Merger shall be
treated as a pooling of interests for accounting purposes and as a
reorganization under Section 368(a)(2)(E) of the Internal Revenue Code of
1986, as amended (the "Code").
 
REPRESENTATIONS AND WARRANTIES OF EQUIPE AND FOUNDERS
 
  In the Merger Agreement, Equipe and the Founders made various customary
representations and warranties to PRI and Acquisition Corp. regarding certain
factual information about Equipe and the Related Companies, including, among
other things, the following matters: (i) corporate organization, standing,
qualification, approvals and similar matters; (ii) force and effect of
articles of incorporation and bylaws and completeness of corporate records;
(iii) the capital structure of each company; (iv) the authorization,
execution, delivery and enforceability of the Merger Agreement, the Employment
Agreements and the Equipe Officers' Certificate (collectively, the "Equipe
Corollary Agreements"); (v) the absence of any material violation of charter
documents, agreements or laws as a result of the execution, delivery and
performance of the Merger Agreement or the Equipe Corollary Agreements; (vi)
consents or authorizations necessary to permit the Merger to proceed; (vii)
Equipe's investments in or ownership of other persons or entities and other
business relationships established outside the ordinary course of business;
(viii) the fair presentation of the financial statements in accordance with
generally accepted accounting principles and the absence of undisclosed
liabilities; (ix) the absence of conflict with, default under or violation of
agreements and laws, and the holding of permits material to the conduct of
business; (x) absence of undisclosed litigation; (xi) ownership and leasing of
real property; (xii) disclosure of, and absence of breaches and defaults
under, certain material agreements; (xiii) payment of taxes and certain other
tax matters; (xiv) employee benefit matters; (xv) absence of certain changes
or events; (xvi) disclosure of information with respect to directors, officers
and key employees; (xvii) potential conflicts of interest; (xviii) absence of
any obligation to pay finder's fees; (xix) environmental matters; (xx)
insurance policies and coverage; (xxi) employee relations; (xxii) ownership,
rights to use and absence of violations or claims or restrictions with respect
to intellectual property; (xxiii) disclosure of customers, suppliers, sales
agents and distributors; and (xxiv) absence of agreements or obligations
restricting the business activities of Equipe.
 
  In addition, each of the Founders made various customary representations and
warranties to PRI and Acquisition Corp. regarding that Founder, including,
among other things: (i) ownership of and title to Equipe Common Stock; (ii)
the authorization, execution, delivery and enforceability of the Merger
Agreement, the Registration Rights Agreement, the Founder's Irrevocable Proxy
and other documents executed by that Founder; (iii) the Founder's status as an
accredited investor for purposes of the federal securities laws and the
Founder's investment intent with respect to his acquisition of PRI Common
Stock; (iv) absence of consents or authorizations necessary to permit the
Merger to proceed; and (v) absence of any obligation to pay finder's fees.
 
REPRESENTATIONS OF PRI AND ACQUISITION CORP.
 
  PRI and Acquisition Corp. made various customary representations and
warranties to Equipe regarding certain factual information about PRI and
Acquisition Corp., including, among other things, the following
 
                                      28
<PAGE>
 
matters: (i) corporate organization, standing, qualification, approvals and
similar matters; (ii) the capital structure of each company; (iii) the
authorization, execution, delivery and enforceability of the Merger Agreement,
the Registration Rights Agreement and the Employment Agreements; (iv) reports
and other documents filed with the Commission and the fair presentation of the
financial statements contained therein in accordance with generally accepted
accounting principles; (v) the absence of certain events and undisclosed
liabilities; (vi) the absence of pending or threatened litigation; (vii)
compliance with applicable law; (viii) payment of taxes and certain other tax
matters; (ix) ownership, rights to use and absence of violations or claims or
restrictions with respect to intellectual property; and (x) absence of any
obligation to pay finder's fees.
 
CONDUCT OF BUSINESS PENDING THE MERGER
 
  Conduct of Business by Equipe. In the Merger Agreement, Equipe and the
Founders agreed that Equipe will comply with certain restrictions on the
conduct of its business until the Closing contemplated by the Merger
Agreement. Equipe may avoid the restrictions with PRI's written consent.
Specifically, Equipe and the Founders agreed that, until the Closing, Equipe
will (i) carry on its business in the ordinary course consistent with prior
practice, including the payment of all debts and taxes owed by Equipe in
substantially the same manner as before the execution of the Merger Agreement;
(ii) materially comply with applicable laws, ordinances and regulations and
applicable orders, judgments, injunctions, awards and decrees of governmental
entities; and (iii) maintain insurance of the types, in the amounts and with
deductibles and exclusions consistent with its past business practice. Equipe
and the Founders also agreed that, until the Closing, Equipe will not:
 
    (a) amend its charter or bylaws;
 
    (b) declare or pay any dividend or other distribution in respect of
  Equipe Common Stock; issue, deliver or sell, or authorize the issuance,
  delivery or sale of, any shares of capital stock of any class, or any
  options, warrants, calls, rights or agreements that obligate Equipe to
  issue, deliver or sell additional shares of Equipe Common Stock or to
  grant, extend or enter into any such option, warrant, call, right or
  agreement; split, combine or reclassify any of the Equipe Common Stock; or
  purchase, redeem or otherwise acquire any shares of Equipe Common Stock,
  except that Equipe and E-Machine may make distributions to their
  stockholders solely to enable the stockholders to meet their federal and
  state tax obligations with respect to the income of the two companies that
  is attributable to the stockholders for 1997;
 
    (c) acquire any equity interest or investment exceeding five percent of
  the equity capital of any person; acquire any person by merger,
  consolidation, purchase of assets or otherwise; acquire or license any
  assets that are material to Equipe, except in the ordinary course of
  business consistent with prior practice; or enter into any partnership,
  joint venture, voluntary association, cooperative or business trust
  agreement or arrangement, other than in the ordinary course of business
  consistent with prior practice;
 
    (d) incur any indebtedness (as defined in the Merger Agreement) for
  borrowed money; incur any other indebtedness except in the ordinary course
  of business; guarantee any indebtedness of others; or pay, discharge or
  satisfy, in an amount in excess of $50,000 (in the aggregate), any claims,
  liabilities or obligations reflected or reserved against pursuant to the
  Merger Agreement, except in the ordinary course of business consistent with
  past practice;
 
    (e) commence any litigation; take any significant actions, including
  entering into any settlement, with respect to pending proceedings without
  the prior approval of PRI; or fail to cooperate and consult with PRI with
  respect to pending proceedings;
 
    (f) lease or otherwise dispose of any of its property except in the
  ordinary course of business consistent with prior practice;
 
    (g) enter into any contract or engage in any transaction not in the
  ordinary course of business consistent with past practice; amend or
  otherwise modify any contract pursuant to which any other party is granted
  marketing, distribution or similar rights with respect to any products of
  Equipe; amend or otherwise modify any contract except in the ordinary
  course of business consistent with past practice; or take or fail to take
  any action, or permit any action or omission to act, if the action or
  omission will result in a violation of any material provision of any
  material contract;
 
                                      29
<PAGE>
 
    (h) make or change any material election in respect of taxes; adopt or
  change any accounting method in respect of taxes; enter into any closing
  agreement, settle any claim or assessment in respect of taxes; or consent
  to any extension or waiver of the limitation period applicable to any claim
  or assessment in respect of taxes;
 
    (i) adopt or materially amend any benefit plan;
 
    (j) adopt any collective bargaining agreement; grant any severance or
  termination pay to any director, officer or other employee of Equipe; grant
  any general or uniform increase in the rates of pay of employees of Equipe
  or in the benefits under any bonus plan or other compensation arrangements;
  or increase the compensation payable or to become payable to any officer or
  key salaried employee; or
 
    (k) transfer to any person any rights to proprietary rights, except in
  the ordinary course of business consistent with past practice.
 
  Equipe and the Founders also agreed that they would not take, propose to
take, or agree to take any of these actions or any other action that would
prevent Equipe or any Founder from performing, or that would cause Equipe or
any Founder not to perform, its covenants and other obligations under the
Merger Agreement.
 
  Conduct of Business by PRI. In the Merger Agreement, PRI also agreed that it
will comply with certain restrictions on the conduct of its business until the
Closing contemplated by the Merger Agreement. PRI may avoid the restrictions
with Equipe's written consent. Specifically, PRI agreed to (i) carry on its
business in the ordinary course consistent with prior practice, including the
payment of all debts and taxes owed by it in substantially the same manner as
before the execution of the Merger Agreement, and (ii) materially comply with
applicable laws, ordinances and regulations and applicable orders, judgments,
injunctions, awards and decrees of governmental entities. PRI also agreed
that, until the Closing, PRI will not:
 
    (a) amend its articles of organization or its bylaws, except to increase
  the number of shares of PRI Common Stock that PRI is authorized to issue;
 
    (b) declare or pay any dividend or other distribution in respect of PRI
  Common Stock; issue, deliver or sell, or authorize the issuance, delivery
  or sale of, any shares of capital stock of any class, or any options,
  warrants, calls, rights or agreements that obligate PRI to issue, deliver
  or sell additional shares of PRI Common Stock, or to grant, extend or enter
  into any such option, warrant, call, right or agreement, other than in the
  ordinary course of PRI's business pursuant to its 1984 Incentive Stock
  Option Plan, 1994 Incentive and Nonqualified Stock Option Plan and 1994
  Employee Stock Purchase Plan; split, combine or reclassify any of the PRI
  Common Stock; or purchase, redeem or otherwise acquire any shares of PRI
  Common Stock; or
 
    (c) except as contemplated by the Merger Agreement, engage in any
  acquisition of the equity capital or assets of any person or entity in a
  transaction requiring the approval of the stockholders of PRI.
 
  PRI also agreed that it will not take, propose to take, or agree to take any
of these actions or any other action that would prevent it from performing, or
cause it not to perform, its covenants and other obligations under the Merger
Agreement.
 
ADDITIONAL COVENANTS
 
  Proxy Statement. PRI agreed to prepare and file this Proxy Statement with
the Securities and Exchange Commission as soon as reasonably practicable after
the execution of the Merger Agreement.
 
  PRI Stockholders' Meeting. PRI agreed to take all action necessary in
accordance with the MBCL, its articles of organization and its bylaws to
convene the Special Meeting to be held as soon as reasonably practicable after
the execution of the Merger Agreement to approve the Merger Agreement and the
Merger.
 
  Related Company Acquisitions. PRI, Equipe and the Founders agreed to take
any and all actions reasonably necessary to validly effect the Related Company
Acquisitions.
 
                                      30
<PAGE>
 
  Access to Information. PRI and Equipe agreed to afford each other, and to
cause their independent accountants to afford to the other party and its
accountants, counsel and other representatives, reasonable access during
normal business hours to all of the other party's properties, books,
contracts, commitments and records until the Closing. Each party agreed to use
reasonable efforts to furnish promptly to the other party any information
concerning its business, properties and personnel that the other party may
reasonably request.
 
  Confidentiality. Equipe and the Founders, as one party, and PRI and
Acquisition Corp., as another party, agreed to treat as confidential, and to
cause their respective accountants, counsel and other representatives to treat
as confidential, all documents and information concerning the other party
furnished by the other party to it in connection with the Merger Agreement.
This confidentiality obligation generally does not apply to any information or
document that (a) at the time of disclosure is already known or available to
the receiving party, but only if the receiving party is not subject to similar
restrictions of confidentiality with a third party with respect to that
information or document; (b) is or becomes known or available to the public
other than as a result of an unauthorized disclosure by the receiving party or
its directors, officers, employees, agents or representatives; (c) is or
becomes known or available to the receiving party without similar restrictions
of confidentiality from a source other than the disclosing party, but only if
the recipient, after reasonable inquiry, does not know that the source is
bound by an obligation of secrecy to the disclosing party that would prohibit
disclosure to the receiving party; (d) is independently generated by the
receiving party and not derived from confidential information; or (e) is
required to be disclosed by the receiving party by law, regulation, court
order or other legal process. The parties agreed not to release or disclose
confidential information or documents to any person other than their
representatives in connection with the Merger Agreement and not to use
confidential information for purposes other than as contemplated by the Merger
Agreement. Each party agreed in the event of the termination of the Merger
Agreement to return or destroy, or cause to be returned or destroyed, all
confidential information of the other party.
 
  The parties also agreed that, except as contemplated by the Merger
Agreement, no party would disclose any information regarding the transactions
contemplated by the Merger Agreement. The Founders agreed that, before the
public announcement of the Merger Agreement, they would not buy, sell or
otherwise trade in any shares of PRI Common Stock or advise any other person
as to any trading of PRI Common Stock.
 
  The agreements regarding confidentiality will survive any termination of the
Merger Agreement for a period of five years.
 
  Public Disclosure. The parties agreed that PRI will develop all press
releases and other public disclosures of information regarding the
transactions contemplated by the Merger Agreement, subject to the reasonable
approval of Equipe or, if disclosure is required for PRI to comply with
applicable law, reasonable consultation with Equipe.
 
  Exclusivity. Equipe, on behalf of itself and its representatives and
affiliates, and the Founders agreed not to (a) solicit, initiate or
participate in discussions or negotiations or otherwise cooperate with, or
provide any information to, any person or group concerning any tender offer,
exchange offer, merger, business combination, sale of substantial assets, sale
of shares of capital stock or similar transaction or (b) enter into any
agreement to effect, or effect, any of those transactions (other than the
transactions contemplated by the Merger Agreement). Equipe and each Founder
agreed to notify PRI in writing of any of these transactions, including a
summary of the material terms of any offer made or proposed in connection with
any transaction.
 
  Securities Laws. PRI agreed to take the necessary steps to comply with the
securities laws of the United States and the securities and Blue Sky laws of
all other jurisdictions that are applicable in connection with the Merger.
Equipe agreed to use its best efforts to assist PRI to comply with these laws.
 
  Option Assumption; S-8 Registration Statement. PRI agreed to take the
actions necessary to assume the Equipe Options in accordance with the Merger
Agreement. PRI agreed to file a registration statement on Form S-8 covering
the shares of PRI Common Stock issuable upon exercise of the assumed Equipe
Options no later
 
                                      31
<PAGE>
 
than January 4, 1998 or, if later, five business days after the Closing. PRI
also agreed to use its best efforts to cause the registration statement to
become and remain effective for as long as any of the Equipe Options remains
outstanding.
 
  State Statutes. Each party agreed that if any state takeover law becomes
applicable to the transactions contemplated by the Merger Agreement, it and
its board of directors will use their best efforts to obtain the necessary
approvals and take the necessary actions to enable the transactions
contemplated by the Merger Agreement to be consummated as promptly as
practicable on the terms contemplated by the Merger Agreement and to minimize
the effects of that state takeover law on those transactions.
 
  Pooling Accounting. The Merger Agreement provides that no party will
knowingly take any action that would cause the Merger to fail to qualify as a
pooling of interests, including taking any action that would alter the equity
interests of Equipe in a way that would prohibit pooling of interests
treatment for the Merger.
 
  Expenses. If the Merger is not consummated, each party will be responsible
for its costs and expenses, including fees and disbursements of consultants,
investment bankers and other financial advisors, counsel and accountants, in
connection with the acquisition of Equipe by PRI.
 
  Consents; Further Assurances. The parties agreed to use all commercially
reasonable efforts to obtain any consent, authorization, order or approval of,
or any exemption by, any governmental entity or other third party, required to
be obtained or made by that party in connection with any action to be taken
under the Merger Agreement. Each party agreed not to take any action that
would, or is reasonably likely to, cause any of its representations and
warranties in the Merger Agreement to be untrue or prevent any of the
conditions to the Merger from being satisfied. The parties agreed to cooperate
with each other to execute and deliver the documents, instruments, transfers,
assignments, files, books and records, and to take the actions that are
reasonably required to carry out the transactions contemplated by the Merger
Agreement.
 
  Nomination of Director. PRI agreed that, at each meeting of its stockholders
called to elect directors, it will include as one of the nominees for whose
election proxies are solicited on behalf of PRI one person (the "Equipe
Nominee") designated in writing by stockholders that hold a majority of the
shares of PRI Common Stock issued pursuant to the Merger Agreement. PRI agreed
to use its best efforts to solicit proxies for the election of the Equipe
Nominee, consistent with applicable law and the efforts customarily employed
by PRI in soliciting proxies for the election of management's nominees for
director, and otherwise to cause the election of the Equipe Nominee as a
director. If an Equipe Nominee is nominated for election to a term of at least
one year at PRI's annual meeting of stockholders following the end of each of
its 1997, 1998 and 1999 fiscal years, PRI will not be required to nominate any
Equipe Nominee (a) for election to a term that will end after PRI's annual
meeting of stockholders following the end of its 1999 fiscal year or (b) for
election at any meeting if an Equipe Nominee is already serving as a director
and will remain in office following that meeting.
 
  Indemnification of Equipe Officers and Directors. PRI agreed that the
indemnification obligations in Equipe's charter and bylaws at the date of the
Merger Agreement will survive the Merger and will not be amended, repealed or
otherwise modified for six years after the Effective Time in any manner that
would adversely affect the indemnification rights of the directors, officers,
employees and agents of Equipe. PRI agreed to take all action necessary to
cause the Surviving Corporation to comply with this obligation and to fulfill
its obligations under its articles of incorporation and bylaws.
 
  Employee Matters. PRI agreed that, to the maximum extent permitted under the
terms of PRI's benefit plans, all Equipe employees will be eligible to
participate in the various benefit plans and programs maintained for PRI
employees or in substantially similar programs. Equipe employees will be given
credit, for purposes of any service requirements for participation, for their
service with Equipe prior to the Effective Time, and, with respect to any PRI
plans or programs which have co-payment, deductible or other co-insurance
features, the Equipe employees will receive credit for any co-payments,
deductibles or co-insurance they have already paid in the plan year of the
Merger under comparable programs maintained by Equipe prior to the Effective
Time.
 
                                      32
<PAGE>
 
Also, no Equipe employee who participates in any of Equipe's medical or health
plans at the Effective Time will be denied coverage under PRI's medical and
health plans by reason of any pre-existing condition exclusions. PRI also
agreed that the officers of Equipe will be entitled to the perquisites and
other special benefits generally made available to PRI officers of equivalent
responsibility.
 
  Obligations of Acquisition Corp. PRI agreed to take all action necessary to
cause Acquisition Corp. to perform its obligations under the Merger Agreement
and to consummate the Merger on the terms and conditions set forth in the
Merger Agreement.
 
  Affiliates' Agreements. PRI and Equipe agreed to use their best efforts to
cause the persons who are or may be their respective "affiliates" to agree in
writing that, during the period beginning on the date of the mailing of this
Proxy Statement and ending on the day PRI announces financial results covering
at least 30 days of combined operations of PRI and Equipe, they will not sell,
exchange, transfer, pledge, distribute or otherwise dispose of, or in any
other way reduce their risk relative to, any shares of PRI Common Stock or
Equipe Common Stock owned by them.
 
CONDITIONS TO THE MERGER
 
  Conditions to Each Party's Obligations. In order for each party to the
Merger Agreement to be obligated to complete the Merger and the other
transactions contemplated by the Merger Agreement, the following conditions
must be satisfied on or before the Closing Date or waived by that party:
 
    (a) Government Approvals. All authorizations, consents, orders or
  approvals of, or declarations or filings with, or expiration or early
  termination of waiting periods imposed by, any governmental entity
  necessary for the consummation of the transactions contemplated by the
  Merger Agreement, including under applicable federal and state securities
  laws, and including the waiting period required by the HSR Act, shall have
  been filed, occurred or been obtained.
 
    (b) Stockholder Approval. The Merger Agreement shall have been approved
  and adopted by the stockholders of PRI.
 
    (c) Legal Action. No temporary restraining order, preliminary injunction
  or permanent injunction or other order preventing the consummation of the
  transactions contemplated by the Merger Agreement shall have been issued by
  any court and remain in effect. No litigation brought by any governmental
  entity seeking the issuance of an order or injunction of this kind shall be
  pending which, in the good faith judgment of Equipe's or PRI's board of
  directors, has a reasonable probability of resulting in the order or
  injunction or damages. If any order or injunction is issued, each party has
  agreed to use its reasonable efforts to have the injunction lifted.
 
    (d) Statutes. No statute, rule or regulation shall have been enacted by
  any governmental entity that (i) makes the consummation of the transactions
  contemplated by the Merger Agreement illegal, (ii) prohibits PRI's
  ownership or operation of all or a material portion of the business or
  assets of Equipe, or compels PRI to dispose of or hold separate all or a
  material portion of the business or assets of Equipe, as a result of the
  transactions contemplated by the Merger Agreement, or (iii) renders PRI or
  Equipe unable to consummate the transactions contemplated by the Merger
  Agreement, except for any waiting period provisions.
 
    (e) Tax Opinions. PRI and Equipe shall have received written opinions of
  Foley, Hoag & Eliot LLP and Brobeck, Phleger & Harrison LLP, respectively,
  to the effect that the Merger and the Related Company Acquisitions
  constitute reorganizations within the meaning of Section 368 of the Code.
 
    (f) Pooling Letters. Each of PRI and Equipe shall have received updates
  of letters from Coopers & Lybrand L.L.P. and Ernst & Young LLP regarding
  the appropriateness of pooling-of-interests accounting for the Merger and
  the Related Company Acquisitions under Accounting Principles Board Opinion
  No. 16.
 
                                      33
<PAGE>
 
  Conditions to the Obligations of PRI and Acquisition Corp. In order for PRI
and Acquisition Corp. to be obligated to complete the Merger and the other
transactions contemplated by the Merger Agreement, the following conditions
must be satisfied on or before the Closing Date or waived by PRI:
 
    (a) Representations, Warranties and Performance of Equipe and
  Founders. With certain exceptions, the representations and warranties of
  Equipe and each of the Founders in the Merger Agreement shall be true and
  correct on the date of the Merger Agreement and on the Closing Date. Equipe
  and each Founder shall have materially performed the obligations that the
  Merger Agreement requires them to perform prior to the Closing Date. Since
  June 30, 1997, there shall have been no changes that have had or could
  reasonably be expected to have a material adverse effect on Equipe. The
  Closing shall not cause any default under any material contract to which
  Equipe is a party that would have a material adverse effect on Equipe. PRI
  shall have received a certificate signed by the chief executive officer and
  chief financial officer of Equipe and by each Founder confirming these
  matters.
 
    (b) Officers' Certificate. Authorized officers of Equipe shall have
  executed a certificate setting forth certain factual matters regarding
  Equipe.
 
    (c) Other Agreements. The affiliates of Equipe shall have entered into
  affiliate agreements in a form specified by PRI. Equipe and each of James
  Cameron, Frantisek Pavlik, Paul Rogan, Lubomir Skrobak and Steven The shall
  have entered into employment agreements in a form specified in the Merger
  Agreement. Each of the Holders, the stockholders of each of the Related
  Companies and the Stockholders' Representatives shall have entered into the
  Registration Rights Agreement. Certain stockholders of Equipe shall have
  executed instruments of adherence agreeing to be bound by the
  indemnification provisions and certain other provisions of the Merger
  Agreement.
 
    (d) Irrevocable Proxies. Each Founder shall have delivered to PRI his or
  her irrevocable proxy with respect to approval of the Merger by the
  stockholders of Equipe and Equipe shall have used its best efforts to cause
  certain other stockholders of Equipe to deliver their respective
  irrevocable proxies to PRI as soon as practicable after the execution of
  the Merger Agreement.
 
    (e) Opinion of Counsel for Equipe and Founders. PRI shall have received
  an opinion dated as of the Closing Date of Brobeck, Phleger & Harrison LLP,
  counsel for Equipe and the Founders, in the form specified in the Merger
  Agreement.
 
    (f) Resignations. Equipe shall have received letters from each officer
  and director of Equipe and each Related Company resigning from their
  positions as officers and directors.
 
    (g) FIRPTA Compliance. PRI shall have received evidence, satisfying the
  requirements of Section 1445 of the Code, that Equipe and the Related
  Companies are not and have not been U.S. real property holding
  corporations.
 
    (h) Effectiveness of Related Company Acquisitions. All conditions to the
  consummation of the Related Company Acquisitions, other than the
  consummation of the Merger, shall have been satisfied.
 
  Conditions to the Obligations of Equipe and Founders. In order for Equipe
and the Founders to be obligated to complete the Merger and the other
transactions contemplated by the Merger Agreement, the following conditions
must be satisfied on or before the Closing Date or waived by the Founders:
 
    (a) Representations, Warranties and Performance of PRI. With certain
  exceptions, the representations and warranties of PRI and Acquisition Corp.
  in the Merger Agreement shall be true and correct on the date of the Merger
  Agreement and on the Closing Date. PRI and Acquisition Corp. shall have
  materially performed the obligations that the Merger Agreement requires
  them to perform prior to the Closing Date. Since June 29, 1997, there shall
  have been no changes that have had or could reasonably be expected to have
  a material adverse effect on PRI. The Closing shall not cause any default
  under any material contract to which PRI or Acquisition Corp. is a party
  that would have a material adverse effect on PRI. Equipe shall have
  received a certificate signed by the chief executive officer and chief
  financial officer of PRI and Acquisition Corp. confirming these matters.
 
 
                                      34
<PAGE>
 
    (b) Officers' Certificate. Authorized officers of Acquisition Corp. shall
  have executed a certificate setting forth certain factual matters regarding
  Acquisition Corp.
 
    (c) Other Agreements. PRI and Acquisition Corp. shall have entered into
  the Registration Rights Agreement and the Employment Agreements as
  necessary.
 
    (d) Opinion of PRI's Counsel. The Founders shall have received an opinion
  dated as of the Closing Date of Foley, Hoag & Eliot LLP, counsel to PRI and
  Acquisition Corp., in the form specified in the Merger Agreement.
 
    (e) PRI Options. As of the Effective Time, PRI shall have issued to
  certain Equipe employees specified in the Merger Agreement certain
  nonqualified stock options to purchase PRI Common Stock at an exercise
  price equal to the last sale price reported by the Nasdaq National Market
  on the Effective Date. The options shall be consistent in form and
  substance with the nonqualified stock options granted by PRI to employees
  having comparable responsibilities.
 
INDEMNIFICATION
 
  Agreement to Indemnify. The Holders agreed to indemnify PRI and the
Surviving Corporation (and their respective affiliates, officers, directors,
employees, representatives and agents) against claims, costs, losses,
expenses, liabilities or other damages by reason of or otherwise arising out
of a breach by Equipe or any Founder of a representation, warranty or covenant
contained in the Merger Agreement. The Holders will not have any right of
contribution from or indemnification by Equipe or any Related Company for any
of these claims. The indemnity extends only to the net amount of damages
sustained by the indemnified person after deducting any amount recovered as
proceeds of insurance, net of any cost of collection, deductible, retroactive
premium adjustment, reimbursement obligation or other cost directly related to
that claim.
 
  Appointment of Stockholders' Representative. In the Merger Agreement, each
Holder will be deemed at the Effective Time to have irrevocably appointed
James Cameron and Paul Rogan as his or her representatives and attorneys-in-
fact. The stockholders' representatives will have the authority to execute and
deliver the Registration Rights Agreement and the Instruments of Adherence on
behalf of the Holders and to receive the Holders' stock certificates at the
Closing. The power of attorney will terminate if the Closing has not taken
place by February 22, 1998.
 
  Survival of Representations, Warranties and Covenants. Subject to certain
limitations, the representations and warranties of Equipe and the Founders in
the Merger Agreement will survive the Closing until one year after the Closing
Date or, if sooner, until the publication of audited financial statements of
PRI for its first fiscal year ending after the Effective Time (the "Survival
Period"). The representations and warranties of PRI and Acquisition Corp. will
terminate at the Effective Time. The parties' respective covenants will
survive in accordance with their terms.
 
  Certain Limitations. The Holders' indemnification obligations are subject to
certain limitations. No indemnification will be required with regard to
individual claims for $10,000 or less. Further, no indemnification will be
required unless the aggregate amount of claims greater than $10,000 exceeds
$2,500,000, in which case indemnification will be provided to the full extent
of those claims. No claims for indemnity may be made after the expiration of
the Survival Period. Finally, any Holder's individual indemnification
obligations may not exceed the value of ten percent of the shares of PRI
Common Stock received by such Holder in connection with the acquisition of
Equipe and the Related Companies.
 
TERMINATION
 
  Basis for Termination. The Merger Agreement may be terminated prior to the
Closing:
 
    (a) by mutual written consent of Equipe, the Founders and PRI;
 
                                      35
<PAGE>
 
    (b) by Equipe or any Founder if there has been a material breach of any
  representation, warranty, covenant or agreement in the Merger Agreement on
  the part of PRI or Acquisition Corp. and, if the breach is curable, the
  breach has not been cured within twenty days after written notice of the
  breach, or by PRI if there has been a material breach of any
  representation, warranty, covenant or agreement in the Merger Agreement on
  the part of Equipe or any Founder and, if the breach is curable, the breach
  has not been cured within twenty days after written notice of the breach;
 
    (c) by Equipe, any Founder or PRI if the stockholders of Equipe or PRI
  shall have voted not to approve the Merger Agreement;
 
    (d) by Equipe, any Founder or PRI if the Closing shall not have occurred
  on or before May 31, 1998, but the right to terminate the Merger Agreement
  on this basis will not be available to any party whose failure to fulfill
  an obligation under the Merger Agreement has been the cause of the failure
  of the Merger to occur on or before that date;
 
    (e) by Equipe, any Founder or PRI if (i) there shall be a final
  nonappealable court order in effect preventing consummation of the
  transactions contemplated by the Merger Agreement or (ii) there shall be
  any action taken, or any statute, rule, regulation or order enacted,
  promulgated or issued or deemed applicable to the transactions contemplated
  by the Merger Agreement by any governmental entity which would make
  consummation of the transactions contemplated by the Merger Agreement
  illegal; and
 
    (f) by Equipe or PRI if there shall be any action taken, or any statute,
  rule, regulation or order enacted, promulgated or issued or deemed
  applicable to the transactions contemplated by the Merger Agreement by any
  governmental entity that would (i) prohibit PRI's or Equipe's ownership or
  operation of all or a material portion of the business or assets of Equipe
  or PRI, or compel PRI or Equipe to dispose of or hold separate all or a
  material portion of the business or assets of Equipe or PRI, as a result of
  the transactions contemplated by the Merger Agreement or (ii) render PRI,
  Equipe or any Founder unable to consummate the transactions contemplated by
  the Merger Agreement.
 
  Effect of Termination. If the Merger Agreement is terminated in accordance
with its terms, it will become void and there will be no liability or
obligation on the part of PRI or Equipe or their officers or directors or any
Founder. However, if the termination results from any material and
intentionally fraudulent misrepresentation by a party in the Merger Agreement
or an intentional breach by any party of its material agreements in the Merger
Agreement, the other parties will be entitled to recover from that party all
fees and expenses incurred by them incident to their investigation,
preparation and carrying out of the transactions contemplated by the Merger
Agreement.
 
ARBITRATION
 
  The parties agreed to settle by arbitration any dispute, controversy or
claim arising in connection with the Merger Agreement, including any claim for
indemnification pursuant to the Merger Agreement but excluding any claim
relating to the confidentiality provisions of the Merger Agreement. Any
arbitration will be held in New York, New York and will be conducted on an
expedited basis in accordance with the Commercial Arbitration Rules of the
American Arbitration Association, except as provided in the Merger Agreement.
The expense of the arbitration and related expenses of the parties (including
reasonable attorneys' fees and fees of experts) will be borne by the party not
prevailing in the arbitration. Judgment upon the award rendered by the
arbitrators may be entered in the U.S. District Court for the Southern
District of New York.
 
FURTHER ASSURANCES
 
  Each party agreed to cooperate fully with the other parties and to execute
any instruments, documents and agreements and to give any further written
assurances that any other party may reasonably request to effect the
transactions contemplated by the Merger Agreement.
 
                                      36
<PAGE>
 
                               OTHER AGREEMENTS
 
  The following descriptions of the Related Company Acquisition Agreements and
the Registration Rights Agreement do not purport to be complete and are
qualified in their entirety by reference to the copies of the Related Company
Acquisition Agreements filed as Exhibits 10.20 and 10.21 to PRI's Current
Report on Form 8-K filed on November 10, 1997 and to the copy of the
Registration Rights Agreement attached as Annex C to this Proxy Statement, all
of which are incorporated herein by reference. PRI urges all stockholders to
read these agreements in their entirety.
 
RELATED COMPANY ACQUISITION AGREEMENTS
 
  General. Simultaneous with the execution of the Merger Agreement, PRI
executed Stock Purchase Agreements with the stockholders (the "Selling
Stockholders") of each of Equipe Japan and E-Machine (the "Related Company
Acquisition Agreements"). In the Related Company Acquisition Agreements, PRI
agreed to issue 240,000 and 36,000 shares of PRI Common Stock in exchange for
all of the issued and outstanding capital stock of Equipe Japan and E-Machine,
respectively. PRI also agreed to issue options to purchase an aggregate of
100,000 and an aggregate of 20,000 shares of PRI Common Stock to specified
employees of Equipe Japan and E-Machine, respectively. Each Selling
Stockholder agreed to be bound by the indemnification provisions and certain
other provisions of the Merger Agreement as if the Selling Stockholder were a
party thereto.
 
  Closing; Conditions to Closing. The closing of each Related Company
Acquisition is scheduled to occur immediately after the consummation of the
Merger. Each party's obligation to consummate a Related Company Acquisition is
conditioned upon the consummation of the Merger. The obligations of the
Selling Stockholders to consummate each Related Company Acquisition are also
conditioned upon: (i) the truth and correctness of the representations and
warranties of PRI in the relevant Related Company Acquisition Agreement; (ii)
PRI's compliance with its covenants and agreements in the relevant Related
Company Acquisition Agreement; (iii) PRI's execution and delivery of the
Registration Rights Agreement; and (iv) PRI's issuance of certain options to
purchase PRI Common Stock to specified employees of the relevant Related
Company. The obligation of PRI to consummate each Related Company Acquisition
is also conditioned upon: (i) the truth and correctness of the representations
and warranties of the Selling Stockholders in the relevant Related Company
Acquisition Agreement and (ii) the Selling Stockholders' compliance with their
covenants and agreements in the relevant Related Company Acquisition
Agreement.
 
  Representations and Warranties. In the Related Company Acquisition
Agreements, each of the Selling Stockholders made various customary
representations and warranties to PRI regarding certain factual information
about such Selling Stockholder, including the following matters: (i) the
authorization and enforceability of the relevant Related Company Acquisition
Agreement and the Registration Rights Agreement; (ii) ownership of and title
to shares of the relevant Related Company; and (iii) investment intent with
respect to the acquisition of shares of PRI Common Stock. PRI made various
customary representations and warranties to the Selling Stockholders of each
Related Company regarding certain factual information about PRI, including the
following matters: (i) corporate organization, standing, qualification and
similar matters; (ii) authorization, execution, delivery and enforceability of
the relevant Related Company Acquisition Agreement; (iii) investment intent
with respect to the acquisition of shares of the relevant Related Company;
(iv) capitalization of PRI and the due authorization, valid issuance and
nonassessability of the PRI Common Stock to be issued to the relevant Selling
Stockholders.
 
  Termination. Each Related Company Acquisition Agreement may be terminated at
any time prior to the closing of the Related Company Acquisition: (i) by
mutual written consent of PRI, the Related Company and the relevant Selling
Stockholders; (ii) by PRI, the Related Company or the relevant Selling
Stockholders if any governmental authority shall have issued an order, decree
or ruling or taken any other action restraining, enjoining or otherwise
prohibiting the transactions contemplated by the Related Company Acquisition
Agreement and the order, decree, ruling or action shall have become final and
nonappealable; or (iii) by PRI, the
 
                                      37
<PAGE>
 
Related Company or the relevant Selling Stockholders if the Merger Agreement
shall have terminated pursuant to its terms.
 
REGISTRATION RIGHTS AGREEMENT
 
  At the closing of the transactions contemplated by the Merger Agreement,
PRI, the founders of Equipe (the "Founders") and the other stockholders of
Equipe and the Related Companies (together with the Founders, the "Holders")
will execute and deliver the Registration Rights Agreement attached as Annex C
to this Proxy Statement (the "Registration Rights Agreement"). Under the
Registration Rights Agreement, until the second anniversary of the closing of
the Merger, the Holders will have certain piggyback, demand and shelf
registration rights with respect to the shares of PRI Common Stock to be
issued to the Holders in the Acquisition (the "Registrable Securities"). (Each
Founder shares certain of his rights under the Registration Rights Agreement
with his transferees and, accordingly, for purposes of this description, the
term "Founder" generally includes those transferees.)
 
  Piggyback Registration Rights. The Registration Rights Agreement provides
that, if PRI proposes to register shares of PRI Common Stock for an
underwritten public offering, PRI will use all reasonable efforts to register
any Registrable Securities that the Holders may request to be included in the
registration and to include those Registrable Securities in the underwritten
offering. During the first year following the closing of the Merger, PRI will
not be required to register on behalf of any Founder more than 25% of the
Registrable Securities to be issued to the Founder in the Acquisition.
 
  Demand Registration Rights. In general, after the first anniversary of the
Merger, Founders holding a majority of the shares then held by all Founders
will have the right to require PRI promptly to file a registration statement
on Form S-3 (or another appropriate form) for a firm commitment underwritten
public offering of Registrable Securities having a market value of at least
$5,000,000 (a "Demand Registration"). PRI will have the right to select the
underwriters for any such offering. If PRI shall have previously filed a
registration statement that includes any Registrable Securities, the Founders
will not be entitled to any Demand Registration during the 180-day period
following the effective date of that registration statement.
 
  Shelf Registration Rights. If PRI shall not have filed a registration
statement for an underwritten public offering within 90 days following the
closing of the Merger, or if that registration statement shall not have been
declared effective within certain specified periods thereafter, then PRI will
file a registration statement for a public offering to be made on a delayed or
continuous basis under Rule 415 under the Securities Act (a "Shelf
Registration Statement"). Alternatively, if PRI shall have filed a
registration statement for an underwritten public offering and that
registration statement shall have been declared effective but (together with
other registration statements filed prior to the first anniversary of the
closing of the Merger) shall cover less than 25% of the total number of
Registrable Securities initially issued to the Holders (the "Initial Amount of
Registrable Securities"), PRI will also be obligated to file a Shelf
Registration Statement. Any Shelf Registration Statement will cover up to 25%
of the Initial Amount of Registrable Securities, less any Registrable
Securities that shall have been previously registered by PRI and sold by the
Holders. PRI will be obligated to use its best efforts to cause the Shelf
Registration Statement to become and remain effective until the earlier of the
first anniversary of the closing of the Merger and the sale of all of the
securities registered thereunder.
 
  Termination of Registration Rights. Registrable Securities will cease to be
Registrable Securities, and therefore will no longer be entitled to the
benefits of the Registration Rights Agreement, when (i) they are effectively
registered under the Securities Act and subsequently disposed of under that
registration; (ii) they are sold pursuant to Rule 144 under the Securities
Act; or (iii) they have been otherwise transferred and PRI has received an
opinion of counsel that any subsequent disposition will not require
registration under the Securities Act. Moreover, in the case of the Founders,
if, before the later of the first anniversary of the closing of the Merger and
the first Demand Registration, a Founder sells or otherwise disposes of more
than 25% of the Initial Amount of Registrable Securities issued to him, his
Registrable Securities will cease to be Registrable Securities. A Founder's
Registrable Securities will cease to be Registrable Securities if, after the
first Demand Registration,
 
                                      38
<PAGE>
 
the Founder ceases to own at least 75% of the Initial Amount of Registrable
Securities issued to him, less the percentage of such Initial Amount of
Registrable Securities included in any Demand Registration (other than a Shelf
Registration). A Founder's Registrable Securities will also cease to be
Registrable Securities if the Founder ever ceases to own at least 50% of the
Initial Amount of Registrable Securities issued to him.
 
  Deferral; Expenses. The Registration Rights Agreement provides that PRI may,
not more than twice in any 365-day period, defer the filing of any
registration statement or any amendment or supplement thereto for not more
than 45 days if PRI shall have certified to the Holders that the Board of
Directors of PRI has determined in good faith that the filing would require
the disclosure of non-public information that PRI would not otherwise be
required to disclose and that the disclosure would be significantly
disadvantageous to PRI and its stockholders. PRI will pay all expenses
incident to its performance under the Registration Rights Agreement, other
than (i) fees and commissions of brokers, dealers and underwriters incurred by
the Holders; (ii) transfer taxes; and (iii) fees and expenses of consultants,
advisors, counsel and other professionals acting on behalf of the Holders.
 
  Indemnification. The Registration Rights Agreement contains provisions with
respect to the indemnification of, and contribution toward the liability of,
PRI, the Holders and any underwriters with respect to specified information
contained in or omitted from any registration statement filed pursuant to the
Registration Rights Agreement. Each Holder's indemnification obligations will
be limited to the net proceeds received by the Holder for the Registrable
Securities sold by the Holder in the registration.
 
  Other Provisions. In the Registration Rights Agreement, PRI will agree to
certain customary covenants, including covenants with respect to: the
provision of copies of the registration statement and prospectus; registration
and qualification of the Registrable Securities under applicable "Blue Sky"
and securities laws; the obtaining of necessary government approvals; the
amendment or supplementation of the registration statement and prospectus; the
execution of customary underwriting agreements and other documents; the
inspection of PRI's financial records and other documents and properties; the
obtaining of comfort letters and legal opinions; publication of an earnings
statement; listing of the Registrable Securities on the Nasdaq National
Market; and the currency of public information regarding PRI under Rule 144.
The Holders will agree to execute upon request of the managing underwriter of
an offering "lock-up" agreements comparable to those that certain directors
and officers of PRI shall execute and will agree that the underwriters may, in
order to effect an orderly public distribution of, and to maintain a stable
market for, the PRI Common Stock, limit the number of Registrable Securities
to be included in any offering made pursuant to the Registration Rights
Agreement.
 
EMPLOYMENT AGREEMENTS
 
  It is a condition to PRI's obligation to consummate the Merger that each of
James Cameron, Frantisek Pavlik, Paul Rogan, Lubomir Skrobak and Steven The
shall have entered into employment agreements with PRI and Equipe in a form
specified in the Merger Agreement (the "Employment Agreement").
 
  Salary and Benefits. Under the Employment Agreement, the employee is
entitled to a specified base salary and is eligible to participate in PRI's
annual incentive compensation program for key executives. The employee's base
salary and incentive compensation will be reviewed annually by Equipe. The
employee is also entitled to vacation and holiday time, sick leave, insurance
and the other benefits and perquisites that PRI provides to officers of
comparable responsibility.
 
  Noncompetition; Nonsolicitation. In the Employment Agreement, the employee
agrees that, for a period of five years or, if longer, until one year after
the termination of the employee's employment with Equipe (the "Restricted
Period"), the employee will not compete in the business of designing,
developing, manufacturing, selling, buying, acquiring, licensing, leasing,
furnishing or maintaining semiconductor manufacturing automation equipment and
related software and services in the United States or in any other country
where Equipe, its affiliates, resellers, distributors or the like engages in
that business at the time of the execution of the Employment Agreement. The
employee also agrees that, during the Restricted Period, the employee will not
hire
 
                                      39
<PAGE>
 
or recruit any other employee of Equipe or its affiliates or solicit,
encourage or otherwise induce any other employee of Equipe or its affiliates
to terminate his or her employment with Equipe or its affiliates.
 
  Nondisclosure of Proprietary Information; Assignment of Inventions. The
Employment Agreement prohibits the employee from disclosing or using any trade
secrets or other proprietary information of Equipe other than in connection
with the employee's employment by Equipe and for the purposes of its business.
The employee agrees to disclose promptly to Equipe, and to assign to Equipe
all rights to, any inventions or other intellectual property made, conceived,
discovered or reduced to practice by the employee during his employment with
Equipe.
 
  Term and Termination; Severance. The Employment Agreement has a term of two
years. Equipe's obligation to make any payments under the Employment Agreement
(other than earned but unpaid salary, incentive compensation, commissions,
vacation or sick pay or other vested benefits) terminates upon (i) the
employee's death or disability, (ii) the voluntary termination of employment
by the employee other than for "good reason" (as defined) and (iii)
termination of the employee's employment by Equipe for "cause" (as defined).
Equipe may terminate the employee's employment at any time without "cause" and
the employee may terminate his employment for "good reason"; in either such
event, the employee will be entitled to receive his base salary for one year
following termination, as well as continued health care coverage and a pro
rata portion of his incentive compensation. Generally, the base salary amount
payable to the employee during this one-year period will be reduced by the
amount of any compensation earned by the employee as an employee or
independent contractor of another person. "Good reason" is generally defined
as (x) breach by Equipe of its material obligations under the Employment
Agreement or (y) termination of employment within six months of (i) a material
diminution by Equipe in the employee's duties and responsibilities, (ii) a
reduction in base salary, target bonus and benefits of more than 10%, or (iii)
a relocation of the employee's principal place of employment by more than 35
miles from Sunnyvale, California. The employee's obligations with respect to
noncompetition, nonsolicitation, nondisclosure of proprietary information and
assignment of inventions survive both termination of employment and expiration
of the Employment Agreement.
 
  Severance Compensation upon a Change of Control. In the Employment
Agreement, PRI agrees to execute a retention agreement with the employee (the
"Retention Agreement") pursuant to which PRI will provide certain severance
compensation following a change of control of PRI. A "change of control"
generally occurs if (i) any person becomes the beneficial owner of 50% or more
of the total voting power of PRI, (ii) the composition of the Board of
Directors of PRI changes such that fewer than a majority of the directors are
incumbent directors, (iii) PRI merges or consolidates with any corporation,
unless the voting securities of PRI outstanding immediately prior to the
merger or consolidation continue to represent at least 50% of the voting power
of the corporation surviving the merger or consolidation, or (iv) PRI is
liquidated or PRI sells or disposes of substantially all of its assets.
 
  Under the terms of the Retention Agreement, if, within 18 months following a
change of control, PRI terminates the employee's employment (other than for
"cause" or "disability," each as defined in the Retention Agreement) or the
employee resigns "involuntarily" (as defined in the Retention Agreement), and
if the employee was an officer of PRI immediately before the change of
control, then PRI will pay the employee an amount equal to the sum of (a) the
employee's annual base compensation, (b) the employee's most recent annual
bonus and (c) a pro rata portion of the employee's target annual bonus for the
then-current fiscal year. In addition, in such circumstances, the vesting of
any options or restricted stock held by the employee will generally accelerate
to the extent of 50% of the unvested portion of the options or restricted
stock. In general, the employee's resignation is "involuntary" if it occurs
after (i) a material reduction by PRI in the employee's base salary and/or
bonus, (ii) a significant reduction in the employee's overall benefits
package, or (iii) the relocation of the employee to a location more than 50
miles from the employee's present location without the employee's consent.
 
  In general, any severance payments by PRI under these change-of-control
provisions are limited to amounts deductible by PRI in accordance with Section
280G of the Code.
 
                                      40
<PAGE>
 
IRREVOCABLE PROXIES
 
  Patrick Allen, James Cameron, Ralph Cameron, Ruth Cameron, John Hoctor,
Frantisek Pavlik, Paul Rogan, Lubomir Skrobak and Steven The (collectively,
the "Principal Equipe Stockholders") have executed Irrevocable Proxies
granting Mordechai Wiesler, Mitchell G. Tyson and Stephen D. Allison, each of
whom is an executive officer of PRI, irrevocable limited proxies to vote all
of the shares of Equipe Common Stock held of record and beneficially by the
Principal Equipe Stockholders (the "Equipe Subject Securities") in favor of
the approval of the Merger Agreement and the Merger.
 
  On October 25, 1997, the Founders executed a written consent of stockholders
pursuant to which they consented to and adopted a resolution which approved
the Merger Agreement. Because the Founders held of record and beneficially
shares of Equipe Common Stock in excess of the minimum number of votes that
would have been necessary to approve the Merger Agreement at a meeting of
stockholders at which all shares entitled to vote thereon were present and
voted, the Merger Agreement and the Merger were approved.
 
AFFILIATES' AGREEMENTS
 
  The affiliates of PRI and Equipe have agreed in writing that, during the
period beginning on the date of the mailing of this Proxy Statement and ending
on the day PRI announces financial results covering at least 30 days of
combined operations of PRI and Equipe, they will not sell, exchange, transfer,
pledge, distribute or otherwise dispose of, or in any other way reduce their
risk relative to, any shares of PRI Common Stock or Equipe Common Stock owned
by them.
 
                                      41
<PAGE>
 
                          CHANGES IN BUSINESS OF PRI
 
RECENT ACQUISITION
   
  On October 29, 1997, PRI acquired Interval Logic Corporation, a California
corporation ("ILC"), for aggregate consideration of 111,258 shares of PRI
Common Stock pursuant to an Agreement and Plan of Merger dated as of October
13, 1997 among PRI, ILC, a wholly owned subsidiary of PRI and certain
stockholders of ILC. In addition, PRI issued or assumed options to purchase an
aggregate of 199,170 shares of PRI Common Stock. ILC is not a significant
subsidiary of PRI.     
 
  ILC was formed in 1995 to develop advanced, high-performance planning and
scheduling software solutions for the semiconductor industry. Based in
Sunnyvale, California, ILC has eight employees and has been developing the
Leverage family of software solutions, including Leverage for Planning and
Leverage for Scheduling. PRI plans to incorporate the technology used in the
ILC Leverage products into PRI's software products. As a result, PRI expects
to be able to provide to its customers fast planning and scheduling
capabilities that will enable them to reschedule their manufacturing processes
in a shorter timeframe. This capability to adjust process schedules in real
time, which PRI believes is not currently available from any other vendor,
will enable PRI's customers to improve throughput, increase utilization of
expensive process equipment and react more rapidly to unscheduled maintenance
and other unexpected events that might jeopardize committed shipment dates.
PRI expects to invest significantly in further development of the ILC
technology in order to integrate it with PRI's proprietary software and to
develop products that can meet PRI's customers' requirements and that can be
commercialized successfully. PRI is currently assessing the value of the
technology acquired and expects to record a significant charge to earnings in
the quarter ending December 31, 1997 for the portion of the purchase price
which is allocated to in-process technology.
 
  This acquisition furthers PRI's goal of providing semiconductor
manufacturers with tightly integrated solutions to seamlessly manage wafer
flow, and strengthens PRI's position in the 300mm arena. Leverage for Planning
and Leverage for Scheduling will work in a tightly integrated manner with
PRI's TransNet Material Control Software to instruct automation equipment what
to do next.
 
RECENT RESULTS OF OPERATIONS
 
  PRI recently announced its revenue and net income for the three months ended
September 30, 1997 and the year ended September 30, 1997. Revenue for the
three months ended September 30, 1997 increased 37% to $46.6 million from
$34.0 million in the three months ended September 30, 1996 and net income
increased 28% to $4.8 million from $3.7 million in the three months ended
September 30, 1996. Net income for the three months ended September 30, 1997
was $0.30 per share on 16.0 million shares outstanding, up from $0.24 per
share on 15.3 million shares outstanding for the same period in fiscal 1996.
Revenue for the year ended September 30, 1997 increased 53% to $169.5 million
from $110.7 million in the year ended September 30, 1996 and net income
increased 24% to $17.1 million from $13.7 million in the year ended September
30, 1996. Net income for the fiscal year ended September 30, 1997 was $1.08
per share on 15.8 million shares outstanding, up from $0.90 per share on 15.2
million shares outstanding for fiscal 1996.
 
                                      42
<PAGE>
 
                SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
                             AND MANAGEMENT OF PRI
 
  The following table sets forth certain information with respect to the
beneficial ownership of the PRI Common Stock as of October 31, 1997 by (i)
each person or entity known to PRI to own beneficially five percent or more of
the PRI Common Stock, (ii) each director of the Company, (iii) the Chief
Executive Officer of PRI and each of PRI's four most highly compensated
executive officers other than the Chief Executive Officer who were serving as
executive officers at the end of PRI's last fiscal year and (iv) by all
executive officers and directors of PRI as a group.
 
<TABLE>
<CAPTION>
                                                        SHARES BENEFICIALLY
                                                            OWNED(1)(2)
                                                        -----------------------
NAME                                                      NUMBER     PERCENT
- ----                                                    ------------ ----------
<S>                                                     <C>          <C>
Mordechai Wiesler(3)(4)................................    1,035,416      6.8%
Gardner Lewis Asset Management, L.P.(5)................      913,800      6.0
 285 Wilmington-West Chester Pike
 Chadds Ford, PA 19317
Granahan Investment Management, Inc.(6)................      776,000      5.1
 275 Wyman Street, Suite 270
 Waltham, MA 02154
Dr. Amram Rasiel(3)(7).................................      561,710      3.7
Mitchell G. Tyson(3)(8)................................      255,151      1.7
Boruch B. Frusztajer(3)(9).............................       92,512        *
Alexander V. d'Arbeloff(3)(10).........................       73,784        *
Robert G. Postle(11)...................................        8,297        *
Robert Klimm(12).......................................        6,110        *
Stephen Allison(13)....................................        3,130        *
All directors and executive officers as a group (8
 people)(14)...........................................    2,036,110     13.2%
</TABLE>
- --------
  *Less than one percent.
 (1) Beneficial ownership is determined in accordance with the rules of the
     Commission. The persons named in this table have sole voting and
     investment power with respect to all shares of Common Stock shown as
     beneficially owned by them, subject to community property laws where
     applicable and subject to the information contained in the footnotes to
     this table. Shares of PRI Common Stock subject to options currently
     exercisable or exercisable within 60 days following the date of this
     table are deemed outstanding for computing the share ownership and
     percentage of the person holding such options, but are not deemed
     outstanding for computing the percentage of any other person.
 (2) The number of shares of Common Stock deemed outstanding as of the date of
     this table is 15,117,997.
 (3) Address is in care of PRI Automation, Inc., 805 Middlesex Turnpike,
     Billerica, Massachusetts 01821-3986.
 (4) Includes 90,096 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table. Excludes 51,600
     shares held in trusts for the benefit of Mr. Wiesler's children. Mr.
     Wiesler disclaims beneficial ownership of these shares.
 (5) The number of shares beneficially owned by Gardner Lewis Asset
     Management, L.P. ("Gardner Lewis") is based on information contained in a
     Schedule 13G filed by Gardner Lewis with the Commission on February 14,
     1997. Gardner Lewis, a registered investment advisor, has sole voting
     power with respect to 401,100 shares of the Company's Common Stock,
     shared voting power with respect to 3,200 shares of the Company's Common
     Stock and sole dispositive power with respect to 456,900 shares of the
     Company's Common Stock.
 (6) The number of shares beneficially owned by Granahan Investment
     Management, Inc. ("Granahan") is based on the information contained in a
     Schedule 13G filed by Granahan with the Commission on February 13, 1997.
     Granahan, a registered investment advisor, has sole voting power with
     respect to 3,000 shares of the Company's Common Stock and sole
     dispositive power with respect to 388,000 shares of the Company's Common
     Stock.
 
                                      43
<PAGE>
 
 (7) Includes 12,000 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table.
 (8) Includes 165,490 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table and 2,100 shares
     held by Mr. Tyson's minor children.
 (9) Includes 12,000 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table and 29,381 shares
     held by members of Mr. Frusztajer's family.
(10) Includes 12,000 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table.
(11) Includes 8,035 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table.
(12) Includes 4,000 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table.
(13) Includes 3,000 shares issuable upon the exercise of outstanding options
     exercisable within 60 days of the date of this table.
(14) See notes (4) and (7) to (13).
 
                                      44
<PAGE>
 
                              BUSINESS OF EQUIPE
 
  Equipe is a leading worldwide developer, manufacturer and supplier of
atmospheric wafer and substrate handling robots, pre-aligners and controllers.
Equipe's products have evolved from an atmospheric robot which transfers
wafers in advanced production equipment to fully integrated handling system
solutions that increase throughput and utilization of semiconductor and flat
panel display process and inspection equipment. Equipe was founded in 1990. E-
Machine was formed in 1995 to produce certain component materials for sale
primarily to Equipe. In 1996, Equipe Japan was established to market, sell and
service Equipe's products in Japan. The majority stockholders of Equipe
control the management of E-Machine and Equipe Japan.
 
PRODUCTS
 
  Equipe produces a full array of semiconductor wafer and flat panel display
substrate handlers, pre-aligners and controllers. Equipe's products are
integrated into semiconductor and flat panel manufacturing equipment for
automated handling of semiconductor wafers and flat panel display substrates
in and about process and inspection equipment. Equipe primarily produces
atmospheric handling products. In 1996, Equipe began marketing a line of
vacuum wafer handling systems, modules and cluster tool platforms for the
semiconductor equipment industry.
 
  Equipe's wafer and substrate handlers are robots that consist of motors and
extenders that move wafers vertically and laterally over short distances. Its
pre-aligners orient wafers for exact placement in semiconductor process and
inspection equipment. Equipe's controllers combine electronics and software to
control the motions of pre-aligners and handlers. Equipe's controllers are
programmable to meet the varying specifications and requirements of
semiconductor and flat panel equipment manufacturers.
 
  Equipe's products are designed to achieve the highest level of reliability
and durability. They provide precision handling and placement that meet the
strict tolerance requirements of semiconductor and flat panel display
manufacturing. Equipe achieves these results through tight integration of
electronics, mechanical components and software.
 
  Equipe currently manufactures products for the semiconductor and flat panel
display markets. The following table lists Equipe's product offerings within
each of the markets it serves:
 
<TABLE>
<CAPTION>
               MARKET                                 PRODUCTS
               ------                                 --------
 <C>                                <S>
 Semiconductor Atmospheric
  Handling Products...............
                                    . ATM 100, 200, 300, 400 and 500 Series
                                      Wafer Handling Atmospheric Robots
                                    . 200mm and 300mm Wafer Robot Tracks
                                    . PRE 200 and 300 Series Wafer Pre-Aligners
                                    . DBM 2000 Series Dual Arm Robot
                                    . WET 400 and 500 Series Wafer Handling Wet
                                      Environment Robots
 Semiconductor Vacuum Handling
  Products........................  . VAC 400 Series Robots
                                    . VXR Series Vacuum Cassette Indexer
                                    . VPR Series In-Vacuum Pre-Aligner
                                    . Equipe Vacuum Cluster Tool Transport
                                      Chambers and Load Locks
 Flat Panel Display Products......  . FPD 400 Series Flat Panel Display Robots
 General..........................  . ESC 200 and 300 Series Controller
                                    . Cassette Mapping
                                    . TTR 100 Hand Held Teach Terminal
                                    . EQT for Windows Maintenance Software
                                    . Time Optimized Trajectory Software
</TABLE>
 
                                      45
<PAGE>
 
CUSTOMERS
 
  Equipe's customers are primarily OEM suppliers of process and inspection
equipment for semiconductor wafers and flat panel display substrates. Equipe's
current customers are located primarily in the United States, Israel, Japan,
South Korea, Germany and the United Kingdom. Equipe intends to market its
developing family of vacuum handling equipment to certain divisions of its
existing customers and new customers that manufacture vacuum-based process
equipment. The following is a representative list of Equipe's customers:
 
<TABLE>
            <S>                <C>
            AG Associates      Lumonics Corporation
            Applied Materials  Micrion
            IPEC               Rudolph Technologies
            KLA-Tencor         Semiconductor Systems/FSI
            LAM Research       Therma-Wave
</TABLE>
 
  KLA-Tencor is the surviving corporation of the merger of KLA Instruments
Corporation and Tencor Instruments in 1997. Giving effect to this merger as if
it had occurred on January 1, 1994, KLA-Tencor accounted for 1%, 4%, 12% and
20% of the Equipe Combined Companies' net revenues during 1994, 1995, 1996 and
the nine months ended September 30, 1997, respectively. On the same basis,
sales to the Equipe Combined Companies' top ten customers accounted for
approximately 86%, 78%, 63% and 65% of net revenues in the same periods,
respectively. A reduction or delay in orders from KLA-Tencor or other
significant customers could have a material adverse effect on Equipe's
business, financial condition and results of operations.
 
MARKETING, SALES AND CUSTOMER SUPPORT
 
  Equipe markets, sells and services its products in the United States through
its direct sales and marketing organization, consisting of 31 persons as of
September 30, 1997. The selling process for Equipe's products involves teams
comprised of individuals from sales, marketing, engineering, operations and
senior management. Each significant customer is assigned a team that engages
the customer at different organizational levels to provide planning and
product customization and to assure open communication and support.
 
  Sales outside the United States represented approximately 17%, 8%, 11% and
16% of the Equipe Combined Companies' net revenues during 1994, 1995, 1996 and
the nine months ended September 30, 1997, respectively. Substantially all
sales outside the United States are made in Japan, Germany, the United
Kingdom, Israel and South Korea. Equipe expects sales outside the United
States to continue to represent a significant portion of future sales. Equipe
markets, sells and services its products in Japan through Equipe Japan, which
has offices in Iwakura City and Yokohama City. Chiptronix GmbH ("Chiptronix")
has been appointed as the exclusive distributor to market, sell and service
Equipe's products in Europe. Chiptronix has offices in Lindau, Germany and St.
Margrethen, Switzerland. Equipe also employs Daekhon International Inc. as a
distributor in South Korea. In addition, Equipe has engaged Lahat, an Israeli
company, as its manufacturer's representative in Israel.
 
  Equipe's marketing activities also include participation in trade shows,
publication of articles in trade journals, placement of advertisements in
major industry journals, participation in industry forums and distribution of
sales literature.
 
  Equipe provides support to its customers with training, manuals, telephone
assistance and field support. Equipe maintains spare parts inventories at its
facilities in Sunnyvale, California, Equipe Japan's facilities in Iwakura
City, Japan and Chiptronix's facilities in St. Margrethen, Switzerland, to
enable its personnel and the personnel of its affiliates and distributors to
serve Equipe's customers and repair their equipment more efficiently.
 
COMPETITION
 
  The semiconductor and flat panel display process equipment manufacturing
industries are highly competitive and characterized by continual change and
improvements in technology. Equipe competes with other independent companies,
including Genmark Automation, Brooks Automation and Hine Design in the United
 
                                      46
<PAGE>
 
States and Rorze and Mecs in Japan, that supply atmospheric and vacuum wafer
and flat panel display substrate handling automation systems to OEMs. Brooks
Automation is a leading supplier of vacuum wafer handling systems and in 1997
began to offer products for the atmospheric segment. Equipe also faces
competition from the larger, integrated semiconductor and flat panel display
OEMs, such as Applied Materials, that manufacture their own wafer and
substrate handling equipment. These OEMs comprise the majority of Equipe's
current and potential customers. Although Equipe believes that these OEMs will
continue to purchase atmospheric semiconductor wafer and flat panel display
substrate handling systems from independent suppliers, there can be no
assurance that the OEMs will not increase in-house manufacturing of these
systems and cease to purchase them from suppliers such as Equipe. Many of
Equipe's competitors have significantly greater research and development,
clean room manufacturing, marketing and financial resources than Equipe.
 
  Equipe believes that the primary bases of competition are product
performance as measured by throughput, reliability, contamination control and
accuracy, and price. Equipe believes that it competes favorably with OEMs and
other independent suppliers with respect to all of these factors. Equipe also
considers customer support an essential aspect of competition in the industry
and believes that it provides superior customer support. However, there can be
no assurance that Equipe will be successful in selling its products to OEMs
that currently satisfy their wafer and substrate handling needs in-house or
through other independent suppliers, regardless of the performance or the
price of Equipe's products.
 
  Increased sales of Equipe's products for the flat panel display process
equipment market will be heavily dependent upon Equipe's ability to penetrate
the Japanese and Korean markets. Equipe is also seeking to expand its presence
in the Japanese semiconductor process equipment market. In addressing the
Japanese and Korean markets, Equipe may be at a competitive disadvantage to
Japanese and Korean suppliers, respectively.
 
RESEARCH AND DEVELOPMENT
 
  Equipe's research and development efforts are focused on developing new
products for the semiconductor and flat panel display process equipment
industries and further enhancing the functionality, reliability and
performance of existing products. Equipe's engineering, marketing, operations
and management personnel have developed collaborative relationships with many
of their customer counterparts and have used these relationships to identify
market demands and target Equipe's research and development to meet those
demands. During 1994, 1995, 1996 and the nine months ended September 30, 1997,
the Equipe Combined Companies' research and development expenses were
approximately $1.8 million, $1.6 million, $2.4 million and $3.9 million,
respectively, representing 16%, 5%, 7% and 11% of net revenues, respectively.
 
MANUFACTURING
 
  Equipe's manufacturing operations consist primarily of product assembly,
integration and testing. Equipe has adopted stringent quality assurance
procedures that include standard design practices, component selection
procedures, vendor control procedures and comprehensive reliability testing
and analysis to assure the performance of its products. E-Machine produces
many of the mechanical components of Equipe's wafer handling systems which are
used in the final product assembly at Equipe. Equipe is E-Machine's only
significant customer. While Equipe often uses single-source suppliers for
certain key components and common assemblies to achieve quality control and
the benefits of economies of scale, Equipe believes that in general these
parts and materials are readily available from other sources. Certain critical
precision mechanical components are only available from limited supply sources
and developing alternative sources might prove time consuming and have an
adverse effect on Equipe's ability to manufacture certain wafer and substrate
handlers.
 
INTELLECTUAL PROPERTY
 
  Equipe's success depends in large part on the technical innovation of its
products. Although Equipe attempts to protect its intellectual property rights
through non-disclosure agreements, copyrights, trademarks and a patent, it
believes that its success will depend to a greater degree upon innovation,
technological expertise and its ability
 
                                      47
<PAGE>
 
to adapt its products to new technology. There can be no assurance that Equipe
will be able to protect its technology or that competitors will not be able to
develop similar technology independently. In addition, the laws of certain
foreign countries may not protect Equipe's intellectual property to the same
extent as do the laws of the United States. Equipe currently has one patent in
the United States, which expires in January 2010. No assurance can be given
that Equipe's patent will be sufficiently broad to protect Equipe's
technology, that any existing or future patents will not be challenged,
invalidated or circumvented, or that the rights granted thereunder will
provide meaningful competitive advantages to Equipe.
 
  Although Equipe does not believe that its products infringe any patents or
proprietary rights of others, there can be no assurance that such
infringements do not exist or will not occur in the future. Litigation may be
necessary in the future to enforce patents issued to Equipe, to protect trade
secrets or know-how owned by Equipe, to defend Equipe against claimed
infringement of the rights of others or to determine the scope and validity of
the proprietary rights of others. Any such litigation could result in
substantial cost and diversion of effort by Equipe, which could have a
material adverse effect on Equipe's business, financial condition and results
of operations. Moreover, adverse determinations in such litigation could
result in Equipe's loss of proprietary rights, subject Equipe to significant
liabilities to third parties, require Equipe to seek licenses from third
parties or prevent Equipe from manufacturing or selling its products.
 
EMPLOYEES
 
  As of September 30, 1997, Equipe had approximately 152 employees. Of these,
45 were involved in engineering, 31 in sales, marketing and customer support,
63 in manufacturing operations and 13 in general and administrative. In
addition, Equipe regularly uses temporary and contract employees. As of
September 30, 1997, Equipe Japan had approximately 10 employees, 7 of whom
were involved in sales, marketing and customer support and 3 of whom held
administrative positions. As of September 30, 1997, E-Machine had
approximately 18 employees, 16 of whom were involved in manufacturing and 2 of
whom held administrative positions. Equipe believes its future success will
depend in large part on its ability to attract and retain highly skilled
employees, particularly skilled technical personnel. Equipe faces significant
competition for qualified technical personnel and many other employers may be
able to offer more attractive compensation to potential employees. There can
be no assurance that Equipe will be able to recruit the personnel necessary to
sustain its business. None of the employees of Equipe, Equipe Japan or E-
Machine is covered by a collective bargaining agreement. Each of Equipe,
Equipe Japan and E-Machine considers its relationships with its employees to
be good.
 
PROPERTIES
 
  Equipe leases approximately 34,000 square feet in three buildings in
Sunnyvale, California pursuant to three leases, two of which expire on July
31, 1998 and together cover approximately 23,500 square feet, and one of which
expires on June 30, 2000 and covers approximately 10,500 square feet. Equipe
Japan leases offices in Iwakura City, Japan and Yokohama City, Japan. E-
Machine leases approximately 3,900 square feet in a building in Sunnyvale,
California. Each of Equipe, Equipe Japan and E-Machine believes that its
facilities are adequate for its current needs and that additional space will
be available as needed.
 
COMMON EQUITY OF EQUIPE, EQUIPE JAPAN AND E-MACHINE
 
  There is no established public trading market for Equipe Common Stock, E-
Machine common stock or Equipe Japan shares. As of October 25, 1997, there
were nine holders of Equipe Common Stock, six holders of E-Machine common
stock and nine holders of Equipe Japan shares.
 
  Effective as of January 1, 1995, Equipe elected to be treated as an S
corporation under the Code for federal and certain state tax purposes. E-
Machine has also elected to be treated as an S corporation. As S corporations,
all tax liabilities associated with the income of Equipe and E-Machine, other
than a 1.5% California state franchise tax, are passed through to and
recognized by the stockholders of Equipe and E-Machine, rather than by Equipe
and E-Machine. In 1995, 1996 and the nine months ended September 30, 1997,
Equipe declared cash
 
                                      48
<PAGE>
 
dividends to its stockholders in the amount of $10,600,000, $11,050,000, and
$2,688,000, respectively. During the same periods, Equipe distributed cash
dividends in the amount of $5,800,000, $12,789,000 and $5,749,000,
respectively. In 1996 and the nine months ended September 30, 1997, E-Machine
declared and paid cash dividends to its stockholders in the amount of $80,000
and $36,000, respectively. Equipe and E-Machine expect to distribute or accrue
additional cash dividends of approximately $0.75 and $0.20 per share,
respectively, to their stockholders prior to the Effective Date of the Merger
to enable them to pay their tax liabilities associated with the anticipated
income of Equipe and E-Machine. As a result of the Acquisition, Equipe's and
E-Machine's income tax statuses will convert from S corporations to C
corporations and their incomes will be taxable at the corporate level.
 
                                      49
<PAGE>
 
               MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                 CONDITION AND RESULTS OF OPERATIONS OF EQUIPE
 
  The following discussion and analysis should be read in conjunction with
"Selected Historical Financial Data--Equipe Combined Companies" and the Equipe
Combined Companies' Combined Financial Statements and Notes thereto included
elsewhere in this Proxy Statement.
 
OVERVIEW
 
  Equipe was founded in October 1990 to design and manufacture atmospheric
robots for use in semiconductor and flat panel display manufacturing
equipment. Since its inception, it has become a leading worldwide developer,
manufacturer and supplier of advanced atmospheric wafer handling robots, pre-
aligners and controllers. In 1996, Equipe began manufacturing and supplying
vacuum wafer handling systems, modules and cluster tool platforms for the
semiconductor equipment industry. The majority of the Equipe Combined
Companies' net revenues are currently derived from the sale of atmospheric
wafer handling systems and related servicing and spare parts, with the
remaining net revenues derived from sales of flat panel display substrate
handling systems and vacuum wafer handling systems, modules and cluster tool
platforms.
 
  In May 1995, E-Machine was incorporated under the laws of the State of
California to produce certain component materials for sale primarily to
Equipe. In June 1996, Equipe Japan was formed under the laws of Japan to
market, sell and service Equipe's products in Japan. The majority stockholders
of Equipe control the management of E-Machine and Equipe Japan. Agreements
have been entered into pursuant to which PRI will acquire each of the Equipe
Combined Companies in transactions to be accounted for as poolings of
interests. As a result of the common management of the Equipe Combined
Companies and the conditional nature of the acquisitions on each other, the
financial statements of the Equipe Combined Companies have been combined, and
all significant intercompany balances and transactions have been eliminated.
 
  Effective as of January 1, 1995, Equipe elected to be treated as an S
corporation rather than a C corporation under the Code. E-Machine has also
elected to be treated as an S corporation. The net income of an S corporation
is taxable for federal and certain state tax purposes directly to the
corporation's stockholders and included in their personal taxable income.
Accordingly, the provision for income taxes for the Equipe Combined Companies
includes only a California state franchise tax of 1.5%. Upon the closing of
the Acquisitions, Equipe and E-Machine will no longer be eligible for
treatment as S corporations and, accordingly, will be required to pay federal
corporate income taxes and additional state corporate income taxes. Following
the Acquisitions, the Equipe Combined Companies expect that the net income of
the Equipe Combined Companies will be taxed at an effective rate of
approximately 39.5%. Equipe Japan is treated as a KK corporation under
Japanese law.
 
  After electing to be treated as an S corporation in 1995, Equipe reduced the
salaries of its five principal stockholders and adopted a policy of
distributing S corporation dividends in place of paying higher salaries. One
effect of this policy was a reduction in the Equipe Combined Companies' cost
of revenues, research and development expenses, and selling, general and
administrative expenses for periods after 1994, as the amount of the
stockholders' salaries allocable to these line items was reduced. Following
the Acquisition and the resulting termination of Equipe's S corporation
status, the base salaries and incentive compensation of the five principal
stockholders of Equipe will be adjusted to competitive levels for Equipe's
industry.
 
  In 1994, 1995, 1996 and the nine months ended September 30, 1997, sales
outside the United States represented approximately 17%, 8%, 11% and 16% of
the Equipe Combined Companies' net revenues, respectively. The Equipe Combined
Companies' export sales are currently denominated in United States dollars. To
the extent that the Equipe Combined Companies expand their international
operations or change their pricing practices to denominate their prices in
foreign currencies, the Equipe Combined Companies will be exposed to increased
risk of foreign currency fluctuations and the additional risks normally
associated with international operations. Sales to the Equipe Combined
Companies' top ten customers accounted for approximately 86%, 78%, 63% and 65%
of net revenues during 1994, 1995, 1996 and the nine months ended September
30, 1997, respectively. A reduction or delay in orders from any significant
customer could have a material adverse effect on the business, financial
condition and results of operations of the Equipe Combined Companies.
 
 
                                      50
<PAGE>
 
RESULTS OF OPERATIONS
 
  The following table sets forth, for the periods indicated, certain income
and expense items as a percentage of net revenues:
 
<TABLE>
<CAPTION>
                                                           NINE MONTHS ENDED
                                YEAR ENDED DECEMBER 31,      SEPTEMBER 30,
                                -------------------------  ------------------
                                 1994     1995     1996      1996      1997
                                -------  -------  -------  --------  --------
<S>                             <C>      <C>      <C>      <C>       <C>
COMBINED STATEMENTS OF INCOME
 DATA:
Net revenues...................   100.0%   100.0%   100.0%    100.0%    100.0%
Cost of revenues...............    61.9     47.2     47.0      46.8      51.8
Gross profit...................    38.1     52.8     53.0      53.2      48.2
Operating expenses:
  Research and development.....    15.8      5.4      6.8       6.0      10.5
  Selling, general and
   administrative..............    18.3      7.4     10.5       9.5      15.9
Operating income...............     4.0     40.0     35.7      37.7      21.8
Other income (expense), net....    (0.1)    (0.1)    (0.1)     (0.1)       --
Income before provision for
 income taxes..................     3.9     39.9     35.6      37.6      21.8
Provision for income taxes.....     1.8      0.6      0.6       0.4       0.3
Net income.....................     2.1%    39.3%    35.0%     37.2%     21.5%
</TABLE>
 
COMPARISON OF NINE MONTHS ENDED SEPTEMBER 30, 1997 AND 1996
 
  Net revenues: Net revenues of the Equipe Combined Companies for the nine
months ended September 30, 1997 increased 31% to $36,818,000 from $28,165,000
in the comparable prior year period. This increase in net revenues reflects
continued unit shipment growth. The utilization of the Equipe Combined
Companies' products in next generation tools and upgraded tools offered by the
larger semiconductor equipment OEMs more than offset the impact of a broad
decline in capital spending by the semiconductor equipment market during the
first six months of 1997. Unit sales increased significantly between the two
periods, with the largest gains coming from newly developed, advanced 200mm
atmospheric products and automation systems. Unit sales of vacuum components
and systems also increased over comparable 1996 levels, but remained
insignificant in dollar terms and as a percentage of net revenues.
Unaffiliated export sales totaled $4,901,000 compared with $3,200,000 in the
comparable 1996 period. Equipe Japan, which was founded in May 1996, had net
revenues of $879,000 for the nine months ended September 30, 1997, as compared
to $6,000 in the comparable 1996 period.
   
  Gross profit: The Equipe Combined Companies' gross profit margin declined to
48.2% in the nine months ended September 30, 1997 from 53.2% for the same
period in 1996. The decrease is primarily attributable to the added
application, compliance and service costs associated with supplying the
semiconductor equipment industry's largest OEMs. These added costs, and to a
lesser extent, volume pricing pressure, more than offset the continued
improvement in capacity utilization and the gradual decline in component costs
gained by increased unit shipments. Lower gross margins from both unaffiliated
export sales and Equipe Japan's operations also contributed to the decline in
the overall gross margin due to the added expense associated with certain
customer support programs. The Equipe Combined Companies expect these factors
to continue to impact operating income and net income in the foreseeable
future.     
 
  Research and development: Research and development expenses increased to
$3,868,000 or 10.5% of net revenues for the nine months ended September 30,
1997 as compared to $1,688,000 or 6.0% of net revenues for the same period in
1996. The increase in research and development expenses reflects the Equipe
Combined Companies' investment in personnel, systems, materials and equipment
required to address the more demanding industry requirements resulting from
the transition to 300mm wafer processing. To meet these more exacting
requirements, the Equipe Combined Companies have begun to focus on providing
complete tool automation solutions which require a higher degree of software,
hardware and control content for both atmospheric, front-end and vacuum
handling applications. The Equipe Combined Companies believe that this higher
level of research
 
                                      51
<PAGE>
 
and development expenditures reported for the first nine months of 1997 are
essential for maintaining its competitive position in the tool automation
business as the industry moves from 200mm to 300mm wafer processing equipment.
 
  Selling, general and administrative: Selling, general and administrative
expenses increased to $5,847,000 or 15.9% of net revenues for the nine months
ended September 30, 1997, as compared to $2,682,000 or 9.5% of net revenues
for the same period in 1996. This increase in selling, general and
administrative expenditures is directly related to additions to the Equipe
Combined Companies' sales and technical support staff necessary to service the
larger OEMs. The Equipe Combined Companies' further expansion into the Asian
and European markets and the inclusion of the selling, general and
administrative expenses of Equipe Japan for the entire nine-month period in
1997 also contributed to the increase in selling, general and administrative
expenses of the Equipe Combined Companies. The current level of selling,
general and administrative expenses as a percentage of net revenues is
expected to remain at or above current levels as the Equipe Combined Companies
focus on becoming a world-class supplier of semiconductor automation equipment
capable of effectively servicing a global market.
 
  Other expense, net: Other expense, net totaled $(16,000) or 0.0% of net
revenues for the nine months ended September 30, 1997, as compared to
$(38,000) or (0.1)% of net revenues for the same period in 1996. The reduction
in other expenses for the nine months ended September 30, 1997 primarily
reflects the timing of and expenses associated with borrowings against
Equipe's line of credit, as well as other miscellaneous charges.
 
  Income tax provision: Equipe and E-Machine operate as S corporations for tax
reporting purposes. With the exception of a 1.5% California state franchise
tax, all tax liabilities flowed through to the stockholders of Equipe and E-
Machine at the appropriate individual federal and state rates in the nine
months ended September 30, 1997 and 1996. As a result, the income tax
provision of the Equipe Combined Companies for the 1997 period totaled
$101,000 as compared to $115,000 in 1996, representing effective tax rates of
1.3% and 1.1%, respectively. See the Unaudited Pro Forma Combined Financial
Statements and the Notes thereto for a pro forma presentation of the results
of operations of the Equipe Combined Companies as if they had been required to
pay federal and additional state corporate income taxes.
 
COMPARISON OF YEARS ENDED DECEMBER 31, 1996 AND 1995
 
  Net revenues: Net revenues of the Equipe Combined Companies for 1996
increased 23% to $35,066,000 from $28,590,000 in 1995. This increase resulted
from both an expanded customer base and greater penetration within product
lines of the semiconductor equipment industry's largest OEMs. This broadened
acceptance of the Equipe Combined Companies' products more than offset a
general decline in semiconductor capital equipment spending during the second
half of 1996. Unit sales increased significantly, primarily due to increased
shipments of the Equipe Combined Companies' core 200mm atmospheric product
line. Unaffiliated export sales totaled $3,894,000 in 1996 as compared to
$2,249,000 in 1995, with growth during 1996 coming primarily from the European
market. Equipe Japan, which was founded in May 1996, had net revenues of
$135,000 in the year ended December 31, 1996.
 
  Gross profit: The Equipe Combined Companies' gross profit margin increased
to 53.0% in 1996 from 52.8% in 1995. The relatively consistent gross margin
percentage reflected stable average selling prices during 1995 and 1996, with
annual increases in standard pricing offsetting added discounts negotiated by
the largest volume customers.
 
  Research and development: Research and development expenses increased to
$2,399,000 or 6.8% of net revenues for 1996 as compared to $1,558,000 or 5.4%
of net revenues for the prior year. The increase in research and development
expenses reflected the Equipe Combined Companies' ongoing development of a
family of vacuum products and systems, as well as products designed to
automate 300mm atmospheric applications.
 
                                      52
<PAGE>
 
  Selling, general and administrative: Selling, general and administrative
expenses increased to $3,651,000 or 10.5% of net revenues for 1996 as compared
to $2,120,000 or 7.4% of net revenues for the prior year. The increase in
dollar amount primarily reflects the costs of adding a level of sales and
support personnel required to effectively service the largest semiconductor
equipment OEMs and to support anticipated revenue growth. The Equipe Combined
Companies' expansion into international markets and the formation of Equipe
Japan also contributed to the increase in selling, general and administrative
expenditures in 1996.
 
  Other expense, net: Other expense, net totaled $(50,000) or (0.1)% of net
revenues for 1996 as compared to $(20,000) or (0.1)% of net revenues for the
prior year. This year's net amount and change from the previous year's amount
is due to the level of interest expense associated with borrowings against
Equipe's line of credit and other miscellaneous charges.
 
  Income tax provision: With the exception of a 1.5% California state
franchise tax, all tax liabilities flowed through to the stockholders of
Equipe and E-Machine in 1996 and 1995. As a result, the income tax provision
of the Equipe Combined Companies for 1996 totaled $200,000 as compared to
$180,000 in 1995, representing effective tax rates of 1.6%.
 
COMPARISON OF YEARS ENDED DECEMBER 31, 1995 AND 1994
 
  Change in tax status: As of January 1, 1995, Equipe converted to an S
corporation from a C corporation for tax reporting purposes and concurrently
initiated payments of S corporation dividends in place of reduced salaries and
wages of the active stockholders. As a result, a portion of stockholder wage
and salary compensation of the Equipe Combined Companies allocated in 1994 to
cost of sales, research and development, and selling, general and
administrative expenses was reduced and included as distributions to
stockholders subsequent to 1994.
 
  Net revenues: Net revenues of the Equipe Combined Companies for 1995
increased 156% to $28,590,000 from $11,186,000 in 1994. This increase is
attributable to increased unit sales, in part as a result of an expanding
semiconductor equipment cycle. Previously achieved 200mm design wins for the
Equipe Combined Companies' main atmospheric product line translated into
production orders and shipments in 1995. Sales of atmospheric wafer handling
products comprised over 95% of the increase in net revenues with the remaining
increase coming from shipments of the Equipe Combined Companies' flat panel
display products. Export sales in 1995 totaled $2,249,000 as compared to
$1,889,000 in 1994, with growth in unit sales of wafer handling products
offsetting a reduction in international shipments of flat panel display
products.
 
  Gross profit: Gross margins improved to 52.8% in 1995 from 38.1% in 1994.
The reduction in stockholder compensation allocated to costs of sales in 1995
as a result of the change in tax status noted above was approximately
$281,000. As a result, approximately one-third of the improvement in gross
margins is attributable to the change in tax status of Equipe. The remaining
improvement is primarily the result of lower component costs associated with
the revenue ramp and greater capacity utilization.
 
  Research and development: Research and development expenses of the Equipe
Combined Companies decreased to $1,558,000 in 1995 from $1,768,000 in 1994,
and fell as a percent of net revenues to 5.4% from 15.8%. The decrease in
research and development expenses in 1995 from 1994 is attributable to the
change in tax status of Equipe, which had the effect of reducing the amount of
stockholder compensation allocated to research and development expenses of the
Equipe Combined Companies in 1995 by approximately $1,160,000. This decrease
was offset by increased expenditures related to the Equipe Combined Companies'
continued expansion of the atmospheric wafer handling product line as well as
the initial development of a new line of vacuum products and systems.
 
  Selling, general and administrative: Selling, general and administrative
expenses increased to $2,120,000 or 7.4% of net revenues for 1995 as compared
to $2,043,000 or 18.3% of net revenues for the prior year. The relatively
static dollar expenditure is a result of increased selling, service and
support costs associated with the
 
                                      53
<PAGE>
 
higher revenue levels, offset by the reduction in allocated stockholder
compensation charged to selling, general and administrative expenses as a
result of the change in tax status. The offset, as a result of the reduction
in allocated stockholder compensation, was approximately $735,000.
 
  Other expense, net: Other expense, net totaled $(20,000) or (0.1)% of net
revenues in 1995 compared to $(14,000) or (0.1)% of net revenues for the prior
year. The amounts represent interest expense associated with borrowings
against Equipe's line of credit and other miscellaneous charges.
 
  Income tax provision: Equipe converted to an S corporation from a C
corporation for tax reporting purposes as of January 1, 1995. With the
exception of a 1.5% California state franchise tax, all tax liabilities flowed
through to the stockholders of Equipe in 1995. As a result, the income tax
provision of the Equipe Combined Companies for 1995 totaled $180,000 as
compared to $197,000 in 1994, representing effective tax rates of 1.6% and
45.4%, respectively.
 
LIQUIDITY AND CAPITAL RESOURCES
 
  During the two years ended December 31, 1996 and the nine months ended
September 30, 1997, the Equipe Combined Companies have generally funded
operating and capital requirements through cash generated by operations of the
Equipe Combined Companies.
 
  The Equipe Combined Companies used cash in operating activities of
approximately $1,054,000 in 1994, and generated cash from operating activities
of approximately $6,609,000, $13,528,000, and $4,671,000 in 1995, 1996 and the
nine months ended September 30, 1997, respectively. Net cash used in operating
activities in 1994 consisted primarily of increased accounts receivable and
inventories. Net cash generated by operating activities in 1995, 1996 and the
nine months ended September 30, 1997 was primarily attributable to net income
of approximately $11,230,000, $12,284,000, and $7,902,000 in the respective
periods. In 1995 and the nine months ended September 30, 1997, cash generated
from operating activities was augmented by increased accounts payable and
accrued expenses, but offset to a greater extent by increased accounts
receivable and inventories. In 1996, net cash generated from operating
activities was augmented by a decrease in accounts receivable and inventories,
offset partially by reduced accounts payable.
 
  Net cash used by the Equipe Combined Companies in investing activities
consists primarily of the purchase of computer, manufacturing and testing
equipment, and totaled approximately $89,000, $123,000, $522,000, and $509,000
in 1994, 1995, 1996 and the nine months ended September 30, 1997,
respectively.
 
  In 1994, net cash generated by the Equipe Combined Companies from financing
activities was $1,113,000, which represented borrowings against Equipe's line
of credit. In 1995, 1996 and the nine months ended September 30, 1997, net
cash used in financing activities was approximately $6,469,000, $12,841,000
and $4,068,000, respectively. Of these amounts, approximately $5,800,000,
$12,869,000 and $5,785,000 represented distributions to stockholders, which
were partially offset by cash generated from the issuance of capital stock in
connection with the formation of E-Machine and Equipe Japan in 1995 and 1996,
respectively. Repayment of borrowings against the line of credit were
approximately $749,000 and $365,000 in 1995 and 1996, respectively. In the
nine months ended September 30, 1997, the Equipe Combined Companies generated
$1,769,000 through borrowings against Equipe's line of credit.
 
  As of September 30, 1997, the Equipe Combined Companies had borrowings of
$1,769,000 outstanding under a line of credit agreement with Comerica Bank-
California. This line of credit enables Equipe to borrow up to the lesser of
$3,000,000 or 75% of eligible accounts receivable, with outstanding balances
under the line of credit bearing interest at Comerica Bank-California's prime
interest rate plus 1.0%. Certain assets of Equipe, including its receivables,
inventory and negotiable collateral, secure this line of credit. The ability
of Equipe to effect borrowings under this line of credit is conditioned upon,
among other things, Equipe meeting certain financial covenants, including
covenants requiring the maintenance of certain levels of working capital and
 
                                      54
<PAGE>
 
tangible net worth. At September 30, 1997, Equipe was not in compliance with
certain of the required covenants, but has subsequently obtained a waiver from
Comerica Bank-California through September 30, 1997.
 
  The Equipe Combined Companies believe that cash generated from operating
activities and funds available under Equipe's line of credit will be
sufficient to meet its anticipated cash requirements during the twelve months
ended September 30, 1998, during which the Equipe Combined Companies expect to
make capital expenditures of approximately $1,000,000 to $2,000,000.
 
                                      55
<PAGE>
 
              APPROVAL OF AMENDMENT TO PRI'S AMENDED AND RESTATED
                ARTICLES OF ORGANIZATION TO INCREASE THE NUMBER
                   OF AUTHORIZED SHARES OF PRI COMMON STOCK
 
  The Amended and Restated Articles of Organization of PRI (the "PRI
Articles") presently provide that PRI is authorized to issue 24,000,000 shares
of PRI Common Stock and 400,000 shares of preferred stock, par value $0.01
(the "PRI Preferred Stock"). As of October 31, 1997, there were (i) 15,117,997
shares of PRI Common Stock outstanding, (ii) 1,656,558 shares of PRI Common
Stock reserved for issuance upon the exercise of outstanding options and (iii)
no shares of PRI Preferred Stock outstanding. Based upon the number of shares
of PRI Common Stock outstanding on October 31, 1997 (and assuming no exercise
of options outstanding on that date), upon the consummation of the Acquisition
there will be 19,482,017 shares of PRI Common Stock outstanding and 2,506,204
shares of PRI Common Stock reserved for issuance upon the exercise of options.
   
  On November 18, 1997, the PRI Board voted to recommend to the stockholders
that the PRI Articles be amended to increase the number of authorized shares
of PRI Common Stock from 24,000,000 shares to 50,000,000 shares (the "Charter
Proposal"). If the Charter Proposal is approved, there will be 28,011,779
shares of PRI Common Stock authorized that have not been issued or reserved
for issuance upon the exercise of outstanding options. The additional
authorized shares of PRI Common Stock will be used for such corporate purposes
as the PRI Board may determine to be necessary or desirable, including having
sufficient authorized shares to accommodate future stock splits and stock
dividends, raising capital or acquiring property through the sale of stock,
acquiring businesses through mergers or the exchange of stock, attracting or
retaining valuable employees through the grant of stock-based compensation
awards, and for any other purpose for which shares of common stock may be
issued under the laws of The Commonwealth of Massachusetts. Except for the
issuance and reservation for issuance of shares of PRI Common Stock in
connection with outstanding options and the Acquisition, PRI presently has no
commitments, agreements or undertakings to issue any additional shares of PRI
Common Stock; however, the PRI Board considers the authorization of additional
shares of PRI Common Stock advisable to ensure prompt availability of shares
for these purposes should the occasion arise.     
 
  Under Massachusetts law, the PRI Board generally may issue authorized but
unissued shares of PRI Common Stock without stockholder approval. The PRI
Board does not currently intend to seek stockholder approval for any future
issuance of additional shares of PRI Common Stock, unless stockholder approval
is required in a specific case by the PRI Articles, PRI's by-laws, applicable
law or the rules of any stock exchange or other system on which the PRI Common
Stock may be listed or traded. Frequently, opportunities arise that require
prompt action, and PRI believes that the delay necessitated for stockholder
approval of a specific issuance could be detrimental to PRI and its
stockholders.
 
  If authorized, the additional shares of PRI Common Stock would have the same
rights and privileges as the currently outstanding shares of PRI Common Stock.
The increase in authorized shares will not affect the terms, or the rights of
the holders, of outstanding shares of PRI Common Stock. All outstanding shares
would continue to be fully paid and nonassessable and would continue to have
one vote per share on all matters to be voted on by the stockholders,
including the election of directors. Shares of PRI Common Stock, including the
additional shares proposed for authorization, do not have preemptive or
similar rights.
 
  The authorization of additional shares of PRI Common Stock could make more
difficult, and thereby discourage attempts, to acquire control of PRI. For
example, the additional shares could be used to dilute the stock ownership of
parties seeking to obtain control of PRI, to increase the total amount of
consideration necessary for a party to obtain control, or to increase the
voting power of friendly third parties. These uses could have the effect of
making it more difficult for a third party to remove incumbent management or
to accomplish a given transaction, even if those actions would generally be
beneficial to PRI's stockholders. The PRI Board has concluded, however, that
the advantages of the additional authorized shares outweigh any potential
disadvantages. If the Charter Proposal is approved by the stockholders, PRI
intends to use the additional shares for the purposes described above, and has
no present intention to use them to deter any takeover attempt.
 
 
                                      56
<PAGE>
 
  The affirmative vote of a majority of the shares of PRI Common Stock
outstanding on the Record Date is required to approve the Charter Proposal.
Votes cast in person or by proxy at the Special Meeting will be tabulated by
the election inspectors appointed for the Special Meeting. Because the Charter
Proposal must receive the affirmative vote of a majority of the outstanding
PRI Common Stock, abstentions and broker non-votes will have the effect of
votes against the Charter Proposal. All shares of PRI Common Stock represented
by properly executed proxies will be voted in accordance with the instructions
indicated in those proxies, unless the proxies have been previously revoked.
IF NO INSTRUCTIONS ARE INDICATED ON A PROPERLY EXECUTED PROXY, THE SHARES OF
PRI COMMON STOCK REPRESENTED BY THAT PROXY WILL BE VOTED FOR THE CHARTER
                                                         ---
PROPOSAL.
 
  The approval of the Charter Proposal is not a condition to the consummation
of the Acquisition.
 
  THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT STOCKHOLDERS VOTE FOR THE
                                                                       ---
CHARTER PROPOSAL.                                                      
 
                                      57
<PAGE>
 
                  REPRESENTATIVES OF INDEPENDENT ACCOUNTANTS
   
  Representatives of Coopers & Lybrand L.L.P. expect to be present at the
Special Meeting. Although the representatives have stated that they do not
plan to make a statement at the meeting, they will be available to respond to
appropriate questions from stockholders at the meeting.     
 
                             STOCKHOLDER PROPOSALS
 
  Stockholder proposals to be included in PRI's proxy statement and form of
proxy relating to PRI's 1998 Annual Meeting of Stockholders were required to
have been submitted to PRI on or before September 8, 1997. PRI stockholders
who wish to submit a proposal to be included in PRI's proxy statement and form
of proxy relating to PRI's 1999 Annual Meeting of Stockholders should submit
the proposal to PRI Automation, Inc., 805 Middlesex Turnpike, Billerica,
Massachusetts 01821-3986, Attention: Clerk. The deadline for the submission of
these proposals will be published in PRI's proxy statement relating to its
1998 Annual Meeting of Stockholders.
 
                                      58
<PAGE>
 
                         INDEX TO FINANCIAL STATEMENTS
 
                         THE EQUIPE COMBINED COMPANIES
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Report of Ernst & Young LLP, Independent Auditors.......................... F-2
Report of Mohler, Nixon & Williams, Independent Auditors................... F-3
Combined Balance Sheets as of December 31, 1995 and 1996 and
 September 30, 1997 (unaudited)............................................ F-4
Combined Statements of Income for the years ended
 December 31, 1994, 1995 and 1996 and the nine months
 ended September 30, 1996 and 1997 (unaudited)............................. F-5
Combined Statements of Shareholders' Equity for the years ended
 December 31, 1994, 1995 and 1996 and the nine months
 ended September 30, 1997 (unaudited) ..................................... F-6
Combined Statements of Cash Flows for the years ended
 December 31, 1994, 1995 and 1996 and the nine months
 ended September 30, 1996 and 1997 (unaudited)............................. F-7
Notes to Financial Statements.............................................. F-8
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
Introduction to Unaudited Pro Forma Combined Financial Statements.......... F-16
Unaudited Pro Forma Combined Balance Sheet at June 29, 1997................ F-17
Unaudited Pro Forma Combined Statement of Operations
 for the nine months ended June 29, 1997................................... F-18
Unaudited Pro Forma Combined Statement of Operations
 for the nine months ended June 30, 1996................................... F-19
Unaudited Pro Forma Combined Statement of Operations
 for the year ended September 30, 1996..................................... F-20
Unaudited Pro Forma Combined Statement of Operations
 for the year ended September 30, 1995..................................... F-21
Unaudited Pro Forma Combined Statement of Operations
 for the year ended September 30, 1994..................................... F-22
Notes to Unaudited Pro Forma Combined Financial Statements................. F-23
</TABLE>
 
                                      F-1
<PAGE>
 
                        REPORT OF INDEPENDENT AUDITORS
 
The Board of Directors and Shareholders
Equipe Combined Companies
 
  We have audited the accompanying combined balance sheet of the Equipe
Combined Companies as of December 31, 1996, and the related combined
statements of income, shareholders' equity, and cash flows for the year then
ended. These financial statements are the responsibility of the Companies'
managements. Our responsibility is to express an opinion on these financial
statements based on our audit.
 
  We conducted our audit 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 audit provides a reasonable basis
for our opinion.
 
  In our opinion, the 1996 combined financial statements referred to above
present fairly, in all material respects, the combined financial position of
the Equipe Combined Companies at December 31, 1996 and the combined results of
their operations and their cash flows for the year then ended in conformity
with generally accepted accounting principles.
 
                                          /s/ Ernst & Young LLP
 
San Jose, California
November 19, 1997
 
                                      F-2
<PAGE>
 
                        REPORT OF INDEPENDENT AUDITORS
 
To the Board of Directors
and Shareholders of
Equipe Combined Companies
 
  We have audited the combined balance sheet of the Equipe Combined Companies
as of December 31, 1995 and the related combined statements of income,
shareholders' equity and cash flows for the two years in the period ended
December 31, 1995. These combined financial statements are the responsibility
of the Companies' management. Our responsibility is to express an opinion on
these combined financial statements based on our audits.
 
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audits to
obtain reasonable assurance about whether the combined financial statements
are free of material misstatement. An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the combined
financial statements. An audit also includes assessing the accounting
principles used and significant estimates made by management, as well as
evaluating the overall combined financial statement presentation. We believe
that our audits provide a reasonable basis for our opinion.
 
  In our opinion, the combined financial statements referred to above present
fairly, in all material respects, the combined financial position of Equipe
Combined Companies as of December 31, 1995 and the combined results of their
operations, shareholders' equity and cash flows for the two years in the
period ended December 31, 1995, in conformity with generally accepted
accounting principles.
 
                                          /s/ Mohler, Nixon & Williams
 
                                          MOHLER, NIXON & WILLIAMS
                                          Accountancy Corporation
 
Campbell, California
November 7, 1997
 
                                      F-3
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                            COMBINED BALANCE SHEETS
                                 (IN THOUSANDS)
 
<TABLE>   
<CAPTION>
                                                    DECEMBER 31,
                                                    ------------- SEPTEMBER 30,
                                                     1995   1996      1997
                                                    ------ ------ -------------
                                                                   (UNAUDITED)
<S>                                                 <C>    <C>    <C>
ASSETS
Current assets:
  Cash............................................. $   17 $  182    $   276
  Accounts receivable, net of allowance for
   doubtful accounts of $90 in 1995, $200 in 1996,
   and $800 at September 30, 1997..................  5,543  4,620      9,505
  Inventories......................................  2,572  2,067      4,243
  Other current assets.............................     26     31         96
                                                    ------ ------    -------
Total current assets...............................  8,158  6,900     14,120
Property and equipment, net........................    327    813      1,397
  Other assets.....................................     --     44         49
                                                    ------ ------    -------
Total assets....................................... $8,485 $7,757    $15,566
                                                    ====== ======    =======
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
  Line of credit................................... $  365 $   --    $ 1,769
  Accounts payable.................................  1,408    949      3,298
  Accrued expenses.................................    400    580      1,940
  Accrued distributions to shareholders............  4,800  3,061         --
  Current portion of capital lease obligations.....     45     82        170
                                                    ------ ------    -------
Total current liabilities..........................  7,018  4,672      7,177
Convertible debt...................................     70     --         --
Long-term portion of capital lease obligation......     80     78        204
Shareholders' equity:
  Preferred stock..................................     --     --         --
  Common stock.....................................    150    686        686
  Retained earnings................................  1,167  2,321      7,499
                                                    ------ ------    -------
Total shareholders' equity.........................  1,317  3,007      8,185
                                                    ------ ------    -------
Total liabilities and shareholders' equity......... $8,485 $7,757    $15,566
                                                    ====== ======    =======
</TABLE>    
 
                            See accompanying notes.
 
                                      F-4
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                         COMBINED STATEMENTS OF INCOME
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                  NINE MONTHS
                                         YEARS ENDED DECEMBER        ENDED
                                                  31,            SEPTEMBER 30,
                                        ----------------------- ---------------
                                         1994    1995    1996    1996    1997
                                        ------- ------- ------- ------- -------
                                                                  (UNAUDITED)
<S>                                     <C>     <C>     <C>     <C>     <C>
Net revenues..........................  $11,186 $28,590 $35,066 $28,165 $36,818
Cost of revenues......................    6,927  13,482  16,482  13,174  19,084
                                        ------- ------- ------- ------- -------
  Gross profit........................    4,259  15,108  18,584  14,991  17,734
Operating expenses:
  Research and development............    1,768   1,558   2,399   1,688   3,868
  Selling, general, and
   administrative.....................    2,043   2,120   3,651   2,682   5,847
                                        ------- ------- ------- ------- -------
Operating income......................      448  11,430  12,534  10,621   8,019
Interest income.......................       --      --      --      --       4
Interest expense......................       14      20      50      38      20
                                        ------- ------- ------- ------- -------
Income before provision for income
 taxes................................      434  11,410  12,484  10,583   8,003
Provision for income taxes............      197     180     200     115     101
                                        ------- ------- ------- ------- -------
Net income............................  $   237 $11,230 $12,284 $10,468 $ 7,902
                                        ======= ======= ======= ======= =======
Pro forma primary net income per
 share................................  $  0.05 $  2.22 $  2.16 $  1.85 $  1.36
                                        ======= ======= ======= ======= =======
Shares used in computing pro forma
 primary net income per share.........    5,010   5,067   5,694   5,650   5,820
                                        ======= ======= ======= ======= =======
Pro forma fully diluted net income per
 share................................  $  0.04 $  2.06 $  2.16 $  1.85 $  1.36
                                        ======= ======= ======= ======= =======
Shares used in computing pro forma
 fully diluted net income per share...    5,386   5,443   5,694   5,650   5,820
                                        ======= ======= ======= ======= =======
</TABLE>
 
 
                            See accompanying notes.
 
                                      F-5
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  COMBINED STATEMENTS OF SHAREHOLDERS' EQUITY
                                 (IN THOUSANDS)
 
<TABLE>   
<CAPTION>
                             EQUIPE       E-MACHINE   EQUIPE JAPAN
                          ------------- ------------- -------------
                          COMMON STOCK  COMMON STOCK  COMMON STOCK                TOTAL
                          ------------- ------------- ------------- RETAINED  SHAREHOLDERS'
                          SHARES AMOUNT SHARES AMOUNT SHARES AMOUNT EARNINGS     EQUITY
                          ------ ------ ------ ------ ------ ------ --------  -------------
<S>                       <C>    <C>    <C>    <C>    <C>    <C>    <C>       <C>
Balance at December 31,
 1993...................  5,000   $ 50    --      --    --      --  $    300    $    350
  Net income............     --     --    --      --    --      --       237         237
                          -----   ----   ---    ----   ---    ----  --------    --------
Balance at December 31,
 1994...................  5,000     50    --      --    --      --       537         587
  Net income............     --     --    --      --    --      --    11,230      11,230
  Issuance of shares in
   connection with
   incorporation of
   E-Machine............     --     --   750     100    --      --        --         100
  Distributions to
   shareholders.........     --     --    --      --    --      --   (10,600)    (10,600)
                          -----   ----   ---    ----   ---    ----  --------    --------
Balance at December 31,
 1995...................  5,000     50   750     100    --      --     1,167       1,317
  Conversion of Equipe
   convertible debt into
   Equipe common stock..    376     70    --      --    --      --        --          70
  Net income............     --     --    --      --    --      --    12,284      12,284
  Issuance of shares of
   E-Machine............     --     --    83      11    --      --        --          11
  Issuance of shares in
   connection with
   incorporation of
   Equipe Japan.........     --     --    --      --     1     455        --         455
  Distributions to
   shareholders.........     --     --    --      --    --      --   (11,130)    (11,130)
                          -----   ----   ---    ----   ---    ----  --------    --------
Balance at December 31,
 1996...................  5,376    120   833     111     1     455     2,321       3,007
  Net income
   (unaudited)..........     --     --    --      --    --      --     7,902       7,902
  Distributions to
   shareholders
   (unaudited)..........     --     --    --      --    --      --    (2,724)     (2,724)
                          -----   ----   ---    ----   ---    ----  --------    --------
Balance at September 30,
 1997 (unaudited).......  5,376   $120   833    $111     1    $455    $7,499      $8,185
                          =====   ====   ===    ====   ===    ====  ========    ========
</TABLE>    
 
 
                            See accompanying notes.
 
                                      F-6
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                       COMBINED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                               NINE MONTHS
                                                                  ENDED
                                 YEARS ENDED DECEMBER 31,     SEPTEMBER 30,
                                 --------------------------  -----------------
                                  1994     1995      1996      1996     1997
                                 -------  -------  --------  --------  -------
                                                               (UNAUDITED)
<S>                              <C>      <C>      <C>       <C>       <C>
OPERATING ACTIVITIES
Net income.....................  $   237  $11,230  $ 12,284  $ 10,468  $ 7,902
Adjustments to reconcile net
 income to net cash provided by
 (used in) operating
 activities:
 Depreciation and
  amortization.................       16       32       144        95      191
 Decrease (increase) in assets:
  Accounts receivable..........   (1,409)  (3,710)      923      (463)  (4,885)
  Inventories..................     (555)  (1,829)      505       494   (2,176)
  Other assets.................      201      (13)      (48)      (39)     (70)
 Increase (decrease) in
  liabilities:
  Accounts payable.............      446      737      (459)     (281)   2,349
  Accrued expenses.............       10      162       179       236    1,360
                                 -------  -------  --------  --------  -------
Net cash provided by (used in)
 operating activities..........   (1,054)   6,609    13,528    10,510    4,671
INVESTING ACTIVITIES
Acquisition of property and
 equipment.....................      (89)    (123)     (522)     (432)    (509)
                                 -------  -------  --------  --------  -------
Net cash used in investing
 activities....................      (89)    (123)     (522)     (432)    (509)
FINANCING ACTIVITIES
Net proceeds from (repayments
 of) line of credit............    1,113     (749)     (365)      535    1,769
Repayment of capital lease
 obligations...................       --      (20)      (73)      (53)     (52)
Proceeds received from
 issuances of common stock.....       --      100       466       466       --
Distributions to shareholders..       --   (5,800)  (12,869)  (10,643)  (5,785)
                                 -------  -------  --------  --------  -------
Net cash provided by (used in)
 financing activities..........    1,113   (6,469)  (12,841)   (9,695)  (4,068)
                                 -------  -------  --------  --------  -------
Net increase (decrease) in cash
 and cash equivalents..........      (30)      17       165       383       94
Cash and cash equivalents at
 beginning of period...........       30       --        17        17      182
                                 -------  -------  --------  --------  -------
Cash and cash equivalents at
 end of period.................  $    --  $    17  $    182  $    400  $   276
                                 =======  =======  ========  ========  =======
SUPPLEMENTAL DISCLOSURES OF
 CASH FLOW INFORMATION
 Interest paid.................  $    14  $    26  $     45  $     25  $    --
 Income taxes paid.............  $   234  $   151  $    261  $    113  $    97
SUPPLEMENTAL DISCLOSURE OF NON-
 CASH FINANCING ACTIVITIES
 Conversion of convertible debt
  to common stock..............  $    --  $    --  $     70  $     70  $    --
 Property and equipment
  acquired under capital
  leases.......................  $    --  $   146  $    108  $    108  $   266
</TABLE>
 
                            See accompanying notes.
 
                                      F-7
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                         NOTES TO FINANCIAL STATEMENTS
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
 Basis of Presentation
 
  The combined financial statements include the assets and liabilities,
results of operations and changes in cash flows of Equipe Technologies, Inc.
(Equipe), E-Machine, Inc. (E-Machine), and Equipe Japan Corporation (Equipe
Japan) (collectively "the Equipe Combined Companies" or "the Combined
Companies"). The majority stockholders of Equipe control the management of E-
Machine and Equipe Japan. PRI Automation, Inc. (PRI) will acquire these
entities in transactions to be accounted for as poolings of interests. As a
result of the common management of these three entities and the conditional
nature of PRI's acquisitions of these three companies on each other, the
financial statements of the three entities have been combined. All significant
intercompany balances and transactions have been eliminated.
 
  Effective January 1, 1995, Equipe changed its legal status from a C
Corporation to a Subchapter S Corporation for federal income tax purposes.
Prior to 1995, all amounts paid to the shareholders were treated as salary and
included in the appropriate expense category on the combined statements of
income.
 
 Interim Financial Information
   
  The combined financial information at September 30, 1997 and for the nine
months ended September 30, 1996 and 1997 is unaudited but, in the opinion of
management, has been prepared on the same basis as the annual combined
financial statements and includes all adjustments (consisting only of normal
recurring adjustments) that the Combined Companies consider necessary for a
fair presentation of the combined financial position at such dates and the
combined operating results and cash flows for those periods. Results for the
interim period are not necessarily indicative of the results to be expected
for the entire year.     
 
 Description of Business
 
  Equipe was incorporated in California in October 1990 to design and
manufacture automation systems used primarily in semiconductor manufacturing
and flat panel display processing equipment. Equipe sells directly to
semiconductor equipment manufacturers in the United States, Europe, and Asia.
 
  E-Machine was incorporated in California in May 1995 to produce certain
component materials for sale primarily to Equipe.
 
  Equipe Japan was incorporated in Japan in June 1996 to market, sell and
service Equipe's products in Japan.
 
 Inventories
 
  Inventories are stated at the lower of cost or market and are accounted for
on an average cost basis.
 
 Property and Equipment
 
  Property and equipment are recorded at cost. Depreciation and amortization
are computed using the straight-line method over an estimated useful life of
three to five years. The amortization of assets recorded under capital leases
is included in depreciation and amortization expense.
 
 Revenue Recognition
 
  Revenue is generally recognized at the time of shipment. Related product
warranty costs are accrued at the time of shipment based on warranty costs
expected to be incurred.
 
                                      F-8
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
 
 Advertising Expenses
 
  The Combined Companies expense advertising costs in the period in which they
are incurred. Advertising expenses for 1994, 1995, and 1996 were
insignificant.
 
 Income Taxes
 
  The provision for income taxes is based on income reported in the financial
statements. Equipe and E-Machine have elected to be treated as S Corporations
under the provisions of the Internal Revenue Code, and as such, all items of
income and expense are taxed directly to their shareholders. However, Equipe
and E-Machine are subject to California franchise tax based on 1.5% of taxable
income. Equipe Japan is treated as a KK Corporation under Japanese tax law. If
the acquisitions referred to under Basis of Presentation are consummated,
Equipe's and E-Machine's income tax status would convert from an S corporation
to a C corporation and their incomes would be taxable at the corporate level.
 
 Pro Forma Net Income per Share
 
  Pro forma net income per share is computed using the weighted average number
of shares of common stock outstanding and dilutive common equivalent shares
from stock options using the treasury stock method. Pro forma fully diluted
net income per share includes the assumed conversion of all of the outstanding
convertible debt. Shares used in computing pro forma primary and fully diluted
net income per share reflect the conversion of E-Machine and Equipe Japan
shares into equivalent Equipe common shares based on the exchange ratios
indicated in the agreement between PRI and each of Equipe, E-Machine, and
Equipe Japan.
 
  The Financial Accounting Standards Board has issued Statement of Financial
Accounting Standards No. 128, "Earnings per Share" (FAS 128). FAS 128 replaces
primary earnings per share ("EPS") with basic EPS, which excludes dilutive
common stock equivalent shares, and requires presentation of both basic and
diluted EPS on the face of the statements of income. Diluted EPS is computed
similarly to the current fully diluted EPS. FAS 128 is effective for financial
statements issued for periods ending after December 15, 1997, and requires
restatement of all prior period EPS data presented. The computed basic net
income per share is not materially different from the net income per share as
reported for the nine month periods ended September 30, 1996 and 1997,
respectively. The computed diluted net income per share is not expected to
differ materially from fully diluted earnings per share.
 
 Concentration of Credit Risk
 
  The Combined Companies sell their products primarily to semiconductor
equipment manufacturers. The Combined Companies perform ongoing credit
evaluations of their customers and generally do not require collateral. The
Combined Companies maintain reserves for potential credit losses. To date,
such losses have been within management's expectations.
 
 Major Customers
 
  In 1994, four customers accounted for 17%, 12%, 11%, and 10%, respectively,
of the Combined Companies' net revenues. In 1995, two customers accounted for
15% and 12%, respectively, of the Combined Companies' net revenues. In 1996,
no customer accounted for more than 10% of the Combined Companies' net
revenues.
 
 Stock-Based Compensation
 
  In October 1995, the Financial Accounting Standards Board issued Statement
of Financial Accounting Standards No. 123, "Accounting for Stock-Based
Compensation" (FAS 123). The Combined Companies
 
                                      F-9
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
adopted FAS 123 in 1996. The Combined Companies account for employee stock
options in accordance with Accounting Principles Board Opinion No. 25,
"Accounting for Stock Issued to Employees" (APB 25), and have adopted the
"disclosure only" alternative described in FAS 123.
 
 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 materially from those
estimates.
 
 Reclassifications
 
  Certain reclassifications have been made to the 1994 and 1995 combined
financial statements to conform to the fiscal 1996 presentation.
 
2. INVENTORIES
 
  Inventories consist of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                     DECEMBER 31,
                                                     ------------- SEPTEMBER 30,
                                                      1995   1996      1997
                                                     ------ ------ -------------
                                                                    (UNAUDITED)
      <S>                                            <C>    <C>    <C>
      Raw materials................................. $2,072 $1,430    $2,659
      Work-in-process...............................    150    312       957
      Finished goods................................    350    325       627
                                                     ------ ------    ------
                                                     $2,572 $2,067    $4,243
                                                     ====== ======    ======
</TABLE>
 
3. PROPERTY AND EQUIPMENT
 
  Property and equipment consist of the following at December 31 (in
thousands):
 
<TABLE>
<CAPTION>
                                                                     1995 1996
                                                                     ---- -----
      <S>                                                            <C>  <C>
      Machinery and equipment....................................... $221 $ 515
      Furniture and fixtures........................................   57   126
      Computer equipment............................................  126   381
                                                                     ---- -----
                                                                      404 1,022
      Less accumulated depreciation.................................   77   209
                                                                     ---- -----
                                                                     $327 $ 813
                                                                     ==== =====
</TABLE>
 
4. FINANCING ARRANGEMENTS
 
 Line of Credit
 
  At December 31, 1996, Equipe had a revolving line of credit agreement with a
bank that allowed for borrowings up to $2,000,000. The agreement (i) provided
for borrowings of 75% of eligible accounts receivable at the bank's prime
interest rate plus 1.0%, (ii) required that Equipe comply with certain defined
loan covenants and (iii) provided that outstanding amounts would be secured by
all of Equipe's assets. At December 31, 1996,
 
                                     F-10
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
Equipe was not in compliance with certain of the required covenants. A waiver
of compliance with these covenants has been obtained from the bank through
September 30, 1997. At December 31, 1996, the line of credit was personally
guaranteed by certain shareholders of Equipe. In November 1997, these personal
guarantees were released by the bank. No amount was due on the line of credit
at December 31, 1996. On January 14, 1997, the line of credit was renewed to
allow borrowings up to $3,000,000. No changes were made to either the
covenants or assets secured under the new line of credit agreement.
 
 Convertible Debt
 
  During 1996, $70,000 of Equipe convertible debt outstanding, all of which
was held by shareholders and related parties, was converted into 376,344
shares of Equipe's common stock.
 
 Capital Lease Obligations
 
  E-Machine currently holds certain property and equipment under capital
leases. The obligations under capital leases represent the present value of
future minimum lease payments and are secured by certain of the assets of E-
Machine. Assets capitalized under leases totaled $146,000 and $254,000 as of
December 31, 1995 and 1996, respectively. Accumulated amortization of these
assets was $24,000 and $97,000 as of December 31, 1995 and 1996, respectively.
 
  Future minimum lease payments under capital lease obligations at December
31, 1996 are as follows (in thousands):
 
<TABLE>
      <S>                                                                  <C>
      1997................................................................ $ 96
      1998................................................................   70
      1999................................................................   10
                                                                           ----
      Total minimum lease payments........................................  176
      Less: imputed interest..............................................   16
                                                                           ----
      Present value of minimum lease payments............................. $160
                                                                           ====
</TABLE>
 
5. SHAREHOLDERS' EQUITY
 
 Common and Preferred Stock
 
  Equipe is authorized to issue 10,000,000 shares of common stock and
1,000,000 shares of preferred stock. Each series of stock is entitled to
certain rights, preferences, privileges, and restrictions as defined in the
Articles of Incorporation. At present, no preferred shares have been issued
and, as a consequence, the common stock has all of the voting authority.
 
  E-Machine is authorized to issue 1,000,000 shares of common stock (56,814
equivalent Equipe common shares). At December 31, 1996, E-Machine had 833,333
shares outstanding (47,345 equivalent Equipe common shares). Equipe Japan is
authorized to issue 4,000 shares of common stock (1,262,540 equivalent Equipe
common shares). At December 31, 1996, Equipe Japan has 1,000 shares
outstanding (315,635 equivalent Equipe common shares). The equivalent Equipe
common shares were determined based on the exchange ratios indicated in the
agreements between PRI and each of Equipe, E-Machine, and Equipe Japan.
 
  The Combined Companies have a stock purchase agreement with each shareholder
that stipulates the conditions under which stock can be transferred or
repurchased by the issuer and the limitations of transfers in the event of
termination of employment of the shareholder.
 
                                     F-11
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
 
 Stock Options
 
  Equipe has granted stock options to certain key employees. A summary of
Equipe's stock option activity and related information for the three years
ended December 31, 1996 follows:
 
<TABLE>
<CAPTION>
                                                         NUMBER OF   EXERCISE
                                                          SHARES    PRICE PER
                                                         (OPTIONS)    SHARE
                                                         --------- ------------
      <S>                                                <C>       <C>
      Balance at December 31, 1993......................   50,000     $1.00
        Granted.........................................   10,000      1.50
                                                          -------  ------------
      Balance at December 31, 1994......................   60,000   1.00-1.50
        Granted.........................................   60,500   5.00-13.00
                                                          -------  ------------
      Balance at December 31, 1995......................  120,500   1.00-13.00
        Granted.........................................   50,000     15.00
                                                          -------  ------------
      Balance at December 31, 1996......................  170,500  $1.00-$15.00
                                                          =======  ============
</TABLE>
 
  The options above cliff-vest at the end of three- to five-year periods.
Accordingly, no stock options have vested or are exercisable as of December
31, 1996.
 
  The following table summarizes information about stock options outstanding
at December 31, 1996:
 
<TABLE>
<CAPTION>
                                                      OUTSTANDING OPTIONS
                                                  ----------------------------
                                                           WEIGHTED
                                                            AVERAGE   WEIGHTED
                                                  NUMBER   REMAINING  AVERAGE
                                                    OF    CONTRACTUAL EXERCISE
      RANGE OF EXERCISE PRICES                    SHARES     LIFE      PRICE
      ------------------------                    ------- ----------- --------
      <S>                                         <C>     <C>         <C>
      $1.00--$5.00...............................  72,500    7.00      $ 1.76
      $6.00--$10.00..............................  30,000    8.75       10.00
      $11.00--$15.00.............................  68,000    9.33       14.47
                                                  -------    ----      ------
                                                  170,500    8.25      $ 8.28
                                                  =======    ====      ======
</TABLE>
 
 Stock-Based Compensation
 
  As permitted under FAS 123, the Combined Companies have elected to follow
APB 25 in accounting for stock-based awards to employees. Under APB 25, the
Combined Companies generally recognize no compensation expense with respect to
such awards.
 
  Pro forma information regarding net income and earnings per share is
required by FAS 123 for awards granted after December 31, 1994 as if the
Combined Companies had accounted for their stock-based awards to employees
under the fair value method of FAS 123. The fair value of the Combined
Companies' stock-based awards to employees was estimated using the minimum
value option pricing model. The minimum value 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 pricing
models require the input of highly subjective assumptions, including the
expected volatility of the Combined Companies' stock price. Because the
Combined Companies' stock-based awards to employees have characteristics
significantly different from those of traded options, and because changes in
subjective assumptions can materially affect the fair value estimate, in
 
                                     F-12
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
management's opinion, the existing models do not necessarily provide a
reliable single measure of the fair value of its stock-based awards to
employees.
 
  The fair value of the Combined Companies' stock-based awards to employees
was estimated using the following assumptions:
 
<TABLE>
<CAPTION>
                                                                     1995  1996
                                                                     ----  ----
      <S>                                                            <C>   <C>
      Expected dividend yield.......................................   0%    0%
      Expected stock price volatility...............................   0%    0%
      Risk-free interest rate.......................................   6%    6%
      Expected life (years)......................................... 4.0   4.0
</TABLE>
 
  For pro forma purposes, the estimated fair value of the Combined Companies'
stock-based awards to employees is amortized over the options' vesting period.
The Combined Companies' pro forma information follows (in thousands, except
per share amounts):
 
<TABLE>
<CAPTION>
                                                                1995     1996
                                                               ------- --------
      <S>                                                      <C>     <C>
      Net income--as reported................................. $11,230 $ 12,284
      Net income--pro forma................................... $11,217 $ 12,242
      Net income per share--as reported....................... $  2.22 $   2.16
      Net income per share--pro forma......................... $  2.21 $   2.15
</TABLE>
 
  Because compensation expense is recognized over the vesting period of the
option, which is typically three to five years, and pro forma disclosure is
only required commencing with 1995, the initial impact on pro forma net income
may not be representative of pro forma compensation expense in future years.
Stock options granted prior to January 1, 1995 are specifically excluded from
the determination of pro forma net income.
 
  The weighted average fair value of options granted during the years ended
December 31, 1995 and 1996 were $2.10 and $3.20, respectively.
 
6. COMMITMENTS
 
  The aggregate minimum annual lease commitments as of December 31, 1996 under
operating leases are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                                       OPERATING
                                                                        LEASES
                                                                       ---------
      <S>                                                              <C>
      1997............................................................   $286
      1998............................................................    207
      1999............................................................     47
      2000............................................................      2
                                                                         ----
                                                                         $542
                                                                         ====
</TABLE>
 
  Equipe's facility leases expire in July 1998. E-Machine's facility lease
expires in March 1999. Equipe Japan's facility leases expire in April and
October 1999 and January 2000. The agreements require the Equipe Combined
Companies to pay property and use taxes, insurance and repairs. Total rent
expense for 1994, 1995, and 1996 was approximately $59,000, $168,000 and
$233,000, respectively.
 
 
                                     F-13
<PAGE>
 
                           EQUIPE COMBINED COMPANIES
 
                  NOTES TO FINANCIAL STATEMENTS--(CONTINUED)
 
     (INFORMATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1997 IS
                                  UNAUDITED)
 
7. ROYALTY AND LICENSING AGREEMENTS
 
  Effective December 23, 1994, Equipe signed a nonexclusive patent license
agreement that required Equipe to pay a one-time licensing fee of $11,875 and
requires Equipe to pay $625 for each unit sold using the patented
technologies. This agreement ends at the expiration of the patents in 2006 or
as defined in the agreement.
 
8. SEGMENT INFORMATION
 
  The Combined Companies conduct their business primarily within one industry
segment. Revenues from export sales, primarily to Europe and the Far East,
represented 17%, 8%, and 11% of net revenues in 1994, 1995 and 1996,
respectively.
 
9. SUBSEQUENT EVENT
 
  On October 25, 1997, PRI entered into agreements whereby PRI would issue
4,088,020 shares, 36,000 shares, and 240,000 shares of its common stock in
exchange for all of the outstanding common stock and stock options of Equipe,
E-Machine, and Equipe Japan, respectively, in transactions to be accounted for
as poolings of interests. The transactions are subject to customary
conditions, including the approval of PRI's shareholders, and are expected to
close during the first quarter of 1998.
 
                                     F-14
<PAGE>
 
       
       INTRODUCTION TO UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS
 
  The following unaudited pro forma combined financial statements assume a
business combination between PRI Automation, Inc. ("PRI") and Equipe
Technologies, Inc., Equipe Japan Corporation and E-Machine, Inc.
(collectively, the "Equipe Combined Companies" or "Equipe") accounted for on a
pooling-of-interests basis and are based on the respective historical audited
and unaudited consolidated or combined financial statements of PRI and the
Equipe Combined Companies. The unaudited pro forma combined balance sheet
gives effect to the Acquisition as if it had occurred on June 29, 1997,
combining the unaudited balance sheets of PRI and the Equipe Combined
Companies at June 29, 1997 and September 30, 1997, respectively. The unaudited
pro forma combined statements of operations give effect to the Acquisition as
if it had occurred on October 1, 1993, combining PRI's historical results for
the nine months ended June 29, 1997 and June 30, 1996 and the years ended
September 30, 1996, 1995 and 1994 with the Equipe Combined Companies' results
for the nine months ended September 30, 1997 and 1996 and the years ended
December 31, 1996, 1995, and 1994, respectively.

  The pro forma information is presented for illustrative purposes only and is
not necessarily indicative of the operating results or financial position that
would have occurred if the Acquisition had been consummated at the beginning
of the earliest period presented, nor is it necessarily indicative of future
operating results or financial position.

  These unaudited pro forma combined financial statements are based on, and
should be read in conjunction with, the historical combined financial
statements and the related notes thereto of the Equipe Combined Companies
included elsewhere in this Proxy Statement and the historical consolidated
financial statements and the related notes thereto of PRI incorporated by
reference in this Proxy Statement.
 
                                     F-15
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
                   UNAUDITED PRO FORMA COMBINED BALANCE SHEET
                                AT JUNE 29, 1997
 
<TABLE>   
<CAPTION>
                                  HISTORICAL
                               ----------------
                                                 PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI    EQUIPE  ADJUSTMENTS   REF.   COMBINED
                               -------- ------- ----------- -------- ---------
                                               (IN THOUSANDS)
<S>                            <C>      <C>     <C>         <C>      <C>
ASSETS:
Current assets:
  Cash and cash equivalents... $ 32,862 $   276      --              $ 33,138
  Marketable securities.......    1,420      --      --                 1,420
  Accounts receivable, net....   40,461   9,505      --                49,966
  Contracts in progress.......   23,934      --      --                23,934
  Inventories.................   28,205   4,243      --                32,448
  Other current assets........    2,674      96      --                 2,770
                               -------- -------   ------             --------
    Total current assets......  129,556  14,120      --               143,676
Property and equipment, net...   10,516   1,397      --                11,913
Marketable securities.........    1,853      --      --                 1,853
Other assets..................    2,757      49      --                 2,806
                               -------- -------   ------             --------
    Total assets.............. $144,682 $15,566   $  --              $160,248
                               ======== =======   ======             ========
LIABILITIES AND STOCKHOLDERS'
 EQUITY:
Current liabilities:
  Note payable and line of
   credit..................... $     -- $ 1,769      --              $  1,769
  Accounts payable............   17,157   3,298      --                20,455
  Accrued expenses............    9,154   1,940    6,000      (7)      18,354
                                                   1,260      (8)
  Current portion of capital
   lease obligations..........       --     170                           170
  Customer deposits...........      459      --      --                   459
  Other current liabilities...    4,334      --      --                 4,334
                               -------- -------   ------             --------
    Total current
     liabilities..............   31,104   7,177    7,260               45,541
Long-term portion of capital
 lease obligations............       --     204      --                   204
                               -------- -------   ------             --------
    Total liabilities.........   31,104   7,381    7,260               45,745
Stockholders' equity:
  Common stock................      150     686     (642)                 194
  Additional paid-in capital..   76,159     --       642      (3)      83,280
                                                   6,479      (9)
  Retained earnings...........   37,269   7,499   (6,479)     (9)      31,029
                                                  (1,260)     (8)
                                                  (6,000)     (7)
                               -------- -------   ------             --------
    Total stockholders'
     equity...................  113,578   8,185   (7,260)             114,503
                               -------- -------   ------             --------
    Total liabilities and
     stockholders' equity..... $144,682 $15,566   $  --              $160,248
                               ======== =======   ======             ========
</TABLE>    
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-16
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
              UNAUDITED PRO FORMA COMBINED STATEMENT OF OPERATIONS
                        NINE MONTHS ENDED JUNE 29, 1997
 
<TABLE>   
<CAPTION>
                                  HISTORICAL
                               ----------------
                                                  PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI    EQUIPE   ADJUSTMENTS   REF.   COMBINED
                               -------- -------  ----------- -------- ---------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>      <C>      <C>         <C>      <C>
Net revenue..................  $122,826 $36,818         --            $159,644
Cost of revenue..............    69,549  19,084         --              88,633
                               -------- -------    -------            --------
  Gross profit...............    53,277  17,734         --              71,011
Operating expenses:
  Research and development...    17,492   3,868         --              21,360
  Selling, general and
   administrative............    17,985   5,847         --              23,832
                               -------- -------    -------            --------
    Total operating
     expenses................    35,477   9,715         --              45,192
Operating profit.............    17,800   8,019         --              25,819
Other income (expense), net..       840     (16)        --                 824
                               -------- -------    -------            --------
Income before income tax
 provision...................    18,640   8,003         --              26,643
Income tax provision.........     6,338     101      3,060        (5)    9,499
                               -------- -------    -------            --------
Net income...................  $ 12,302 $ 7,902    $(3,060)           $ 17,144
                               ======== =======    =======            ========
Net income per common share:
  Assuming full dilution.....  $   0.78 $  1.36         --   (3), (4) $   0.85
Weighted average number of
 common and common equivalent
 shares outstanding:
  Assuming full dilution.....    15,689   5,820     (1,395)  (3), (4)   20,114
</TABLE>    
 
 
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-17
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
              UNAUDITED PRO FORMA COMBINED STATEMENT OF OPERATIONS
                        NINE MONTHS ENDED JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                 HISTORICAL
                               ---------------
                                                 PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI   EQUIPE   ADJUSTMENTS   REF.   COMBINED
                               ------- -------  ----------- -------- ---------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>     <C>      <C>         <C>      <C>
Net revenue................... $76,677 $28,165         --            $104,842
Cost of revenue...............  39,422  13,174         --              52,596
                               ------- -------    -------            --------
Gross profit..................  37,255  14,991         --              52,246
Operating expenses:
  Research and development....  12,236   1,688         --              13,924
  Selling, general and
   administrative.............  11,967   2,682         --              14,649
                               ------- -------    -------            --------
    Total operating expenses..  24,203   4,370         --              28,573
Operating profit..............  13,052  10,621         --              23,673
Other income (expense), net...   1,648     (38)        --               1,610
                               ------- -------    -------            --------
Income before income tax
 provision....................  14,700  10,583         --              25,283
Income tax provision .........   4,686     115      4,065        (5)    8,866
                               ------- -------    -------            --------
Net income.................... $10,014 $10,468    $(4,065)           $ 16,417
                               ======= =======    =======            ========
Net income per common share:
  Assuming full dilution...... $  0.66 $  1.85         --   (3), (4) $   0.84
Weighted average number of
 common and common equivalent
 shares outstanding:
  Assuming full dilution......  15,196   5,650     (1,354)  (3), (4)   19,492
</TABLE>
 
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-18
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
              UNAUDITED PRO FORMA COMBINED STATEMENT OF OPERATIONS
                         YEAR ENDED SEPTEMBER 30, 1996
 
<TABLE>   
<CAPTION>
                                  HISTORICAL
                               ----------------
                                                  PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI    EQUIPE   ADJUSTMENTS   REF.   COMBINED
                               -------- -------  ----------- -------- ---------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>      <C>      <C>         <C>      <C>
Net revenue..................  $110,684 $35,066         --            $145,750
Cost of revenue..............    58,320  16,482         --              74,802
                               -------- -------    -------            --------
Gross profit.................    52,364  18,584         --              70,948
Operating expenses:
  Research and development...    17,089   2,399         --              19,488
  Selling, general and
   administrative............    17,072   3,651         --              20,723
                               -------- -------    -------            --------
    Total operating
     expenses................    34,161   6,050         --              40,211
Operating profit.............    18,203  12,534         --              30,737
Other income (expense), net..     2,128     (50)        --               2,078
                               -------- -------    -------            --------
Income before income tax
 provision...................    20,331  12,484         --              32,815
Income tax provision.........     6,600     200      4,731        (5)   11,531
                               -------- -------    -------            --------
Net income...................  $ 13,731 $12,284    $(4,731)           $ 21,284
                               ======== =======    =======            ========
Net income per common share:
  Assuming full dilution.....  $   0.90 $  2.16         --   (3), (4) $   1.09
Weighted average number of
 common and common equivalent
 shares outstanding:
  Assuming full dilution.....    15,210   5,694     (1,364)  (3), (4)   19,540
</TABLE>    
 
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-19
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
              UNAUDITED PRO FORMA COMBINED STATEMENT OF OPERATIONS
                         YEAR ENDED SEPTEMBER 30, 1995
 
<TABLE>   
<CAPTION>
                                 HISTORICAL
                               ---------------
                                                 PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI   EQUIPE   ADJUSTMENTS   REF.   COMBINED
                               ------- -------  ----------- -------- ---------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>     <C>      <C>         <C>      <C>
Net revenue................... $64,042 $28,590         --             $92,632
Cost of revenue...............  33,357  13,482         --              46,839
                               ------- -------    -------             -------
Gross profit..................  30,685  15,108         --              45,793
Operating expenses:
  Research and development....  10,407   1,558         --              11,965
  Selling, general and
   administrative.............  10,045   2,120         --              12,165
                               ------- -------    -------             -------
    Total operating expenses..  20,452   3,678         --              24,130
Operating profit..............  10,233  11,430         --              21,663
Other income (expense), net...   1,021     (20)        --               1,001
                               ------- -------    -------             -------
Income before income tax
 provision....................  11,254  11,410         --              22,664
Income tax provision..........   3,695     180      4,327        (5)    8,202
                               ------- -------    -------             -------
Net income.................... $ 7,559 $11,230    $(4,327)            $14,462
                               ======= =======    =======             =======
Net income per common share:
  Assuming full dilution...... $  0.58 $  2.06         --   (3), (4)  $  0.84
Weighted average number of
 common and common equivalent
 shares outstanding:
  Assuming full dilution......  13,004   5,443     (1,304)  (3), (4)   17,143
</TABLE>    
 
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-20
<PAGE>
 
             PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
              UNAUDITED PRO FORMA COMBINED STATEMENT OF OPERATIONS
                         YEAR ENDED SEPTEMBER 30, 1994
 
<TABLE>   
<CAPTION>
                                 HISTORICAL
                               ----------------
                                                  PRO FORMA  FOOTNOTE PRO FORMA
                                 PRI    EQUIPE   ADJUSTMENTS   REF.   COMBINED
                               -------  -------  ----------- -------- ---------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>      <C>      <C>         <C>      <C>
Net revenue..................  $36,293  $11,186        --              $47,479
Cost of revenue..............   20,022    6,927        --               26,949
                               -------  -------    -------             -------
Gross profit.................   16,271    4,259        --               20,530
Operating expenses:
  Research and development...    6,973    1,768        --                8,741
  Selling, general and
   administrative............    4,980    2,043        --                7,023
                               -------  -------    -------             -------
    Total operating
     expenses................   11,953    3,811        --               15,764
Operating profit.............    4,318      448        --                4,766
Other income (expense), net..     (286)     (14)       --                 (300)
                               -------  -------    -------             -------
Income before income tax
 provision...................    4,032      434        --                4,466
Income tax provision.........    1,210      197        --                1,407
                               -------  -------    -------             -------
Net income...................  $ 2,822  $   237    $                   $ 3,059
                               =======  =======    =======             =======
Net income per common share:
  Assuming full dilution.....  $  0.35  $  0.04        --    (3), (4)  $  0.25
Weighted average number of
 common and common equivalent
 shares outstanding:
  Assuming full dilution.....    7,978    5,386     (1,291)  (3), (4)   12,073
</TABLE>    
 
 
    See the accompanying notes to the unaudited pro forma combined financial
                                  statements.
 
                                      F-21
<PAGE>
 
            PRI AUTOMATION, INC. AND THE EQUIPE COMBINED COMPANIES
 
          NOTES TO UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS
 
1. The unaudited pro forma combined financial statements of PRI and the Equipe
   Combined Companies give retroactive effect to the Merger and the Related
   Company Acquisitions, which are being accounted for as poolings of
   interests and, as a result, such statements are presented as if the
   combining companies had been combined for all periods presented. The
   unaudited pro forma combined financial statements reflect the issuance of
   0.760372 (Exchange Ratio) of a share of PRI Common Stock for each share of
   Equipe Common Stock to effect the Merger and the Related Company
   Acquisitions.
 
2. The unaudited pro forma combined financial data combine financial data of
   PRI for the nine months ended June 29, 1997 and June 30, 1996 and the years
   ended September 30, 1996, 1995 and 1994 with financial data of the Equipe
   Combined Companies for the nine months ended September 30, 1997 and 1996
   and the years ended December 31, 1996, 1995 and 1994, respectively.
 
3. For purposes of the unaudited pro forma combined financial statements, the
   pro forma combined net income per share amounts are based on the combined
   weighted average number of shares of PRI Common Stock and Equipe Common
   Stock outstanding for each period, based upon an effective exchange ratio
   of 0.760372 shares of PRI Common Stock for each share of Equipe Common
   Stock. The unaudited pro forma combined balance sheet reflects the issuance
   of 4,364,020 shares of PRI Common Stock ($0.01 par value) in exchange for
   all of the outstanding capital stock of the Equipe Combined Companies as of
   October 25, 1997. The pro forma adjustments were calculated as follows:
 
<TABLE>
       <S>                                                               <C>
       Issuance of PRI Common Stock..................................... $  44
       Elimination of Equipe Common Stock...............................  (686)
                                                                         -----
           Total Adjustment............................................. $(642)
</TABLE>
 
Net income per share is reported for all periods on a fully diluted basis.
   Primary net income per share is not significantly different from net income
   per share on a fully diluted basis. Shares used in computing fully diluted
   net income per share for the Equipe Combined Companies reflect, on a pro
   forma basis, the conversion of E-Machine and Equipe Japan shares into
   equivalent Equipe Common Stock based on the exchange ratios indicated in
   the respective acquisition agreements between PRI and each of Equipe, E-
   Machine and Equipe Japan.
 
4. The Board of Directors of PRI approved a two-for-one split of the PRI
   Common Stock effective May 2, 1997. All per share amounts and shares used
   in calculations of net income per common share have been restated to
   reflect the retroactive effect of the stock split.
 
5. Equipe and E-Machine were treated as S corporations for income tax purposes
   for periods subsequent to December 31, 1994 and, as such, income is taxed
   at the shareholder level. As a result of the proposed Acquisition, the tax
   status of both Equipe and E-Machine will change from subchapter S
   corporations to C corporations. The results of the Equipe Combined
   Companies have been adjusted to provide for income taxes as if Equipe and
   E-Machine were treated as C corporations for all periods presented as a
   result of the proposed Acquisition.
 
6. The unaudited pro forma combined financial statements do not include
   adjustments to conform the accounting policies of Equipe to those followed
   by PRI. The nature and extent of such adjustments, if any, will be based
   upon further study and analysis and are not expected to be material.
   
7. The Acquisition expenses to be incurred by PRI and the Equipe Combined
   Companies are estimated to be approximately $6,000,000. These expenses will
   be charged against net income in the period in which the merger is
   completed. Accordingly, the effects of these expenses have not been
   reflected in these unaudited pro forma combined statements of operations.
   The effects of these estimated expenses have been accrued in the unaudited
   pro forma combined balance sheet.     
 
                                     F-22
<PAGE>
 
8. Under the terms of the Merger Agreement, Equipe and E-Machine may make
   distributions to stockholders solely to enable the stockholders to meet
   their federal and state tax obligations with respect to income of the two
   companies that is attributable to the stockholders for the nine months
   ended September 30, 1997. An amount of $1,260,000 has been accrued as a
   distribution payable to stockholders of Equipe and E-Machine to recognize
   the remaining portion of earnings through September 30, 1997 that would be
   distributable to stockholders under the terms of the Merger Agreement.
 
9. The undistributed earnings of Equipe and E-Machine as of the date of the
   Acquisition will be reclassified to additional paid-in capital. The amount
   reclassified from retained earnings to additional paid-in capital is
   $6,479,000.
 
                                     F-23
<PAGE>
 
                                                                         ANNEX A
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                      AGREEMENT AND PLAN OF REORGANIZATION
 
                                     AMONG
 
                             PRI AUTOMATION, INC.,
 
                              E-ACQUISITION CORP.,
 
                           EQUIPE TECHNOLOGIES, INC.
 
                                      AND
 
               CERTAIN STOCKHOLDERS OF EQUIPE TECHNOLOGIES, INC.
 
 
                          DATED AS OF OCTOBER 25, 1997
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                                      A-1
<PAGE>
 
                               TABLE OF CONTENTS
 
                             ARTICLE 1. THE MERGER
<TABLE>
 <C>            <S>                                                        <C>
                                                                           PAGE
                                                                           ----
 Section  1.1.  Officers' Certificates...................................   A-6
 Section  1.2.  Closing Date.............................................   A-6
 Section  1.3.  Effective Time...........................................   A-6
 Section  1.4.  Effect on Capital Stock..................................   A-7
 Section  1.5.  Exchange of Equipe Certificates..........................   A-7
 Section  1.6.  Other Effects............................................   A-8
 Section  1.7.  Accounting and Tax Treatment.............................   A-8
 
        ARTICLE 2. REPRESENTATIONS AND WARRANTIES OF EQUIPE AND FOUNDERS
 
 Section  2.1.  Corporate Status.........................................   A-8
 Section  2.2.  Corporate Documents......................................   A-8
 Section  2.3.  Capital Structure........................................   A-9
 Section  2.4.  Authority................................................   A-9
 Section  2.5.  Investments..............................................  A-10
 Section  2.6.  Financial Statements.....................................  A-10
 Section  2.7.  Compliance with Applicable Laws..........................  A-11
 Section  2.8.  Litigation...............................................  A-11
 Section  2.9.  Properties...............................................  A-11
 Section  2.10. Contracts................................................  A-12
 Section  2.11. Taxes....................................................  A-13
 Section  2.12. Benefit Plans............................................  A-14
 Section  2.13. Absence of Certain Changes or Events.....................  A-16
 Section  2.14. Officers, Directors and Key Employees....................  A-17
 Section  2.15. Potential Conflicts of Interest..........................  A-17
 Section  2.16. Finder's Fees............................................  A-17
 Section  2.17. Environmental Matters....................................  A-18
 Section  2.18. Insurance................................................  A-19
 Section  2.19. Employee Relations.......................................  A-19
 Section  2.20. Proprietary Rights.......................................  A-19
 Section  2.21. Certain Loans............................................  A-21
 Section  2.22. Customers, Suppliers, Sales Agents and Distributors......  A-21
 Section  2.23. Business Activity Restrictions...........................  A-21
 
                   ARTICLE 3. REPRESENTATIONS AND WARRANTIES
             OF EQUIPE AND FOUNDERS REGARDING THE RELATED COMPANIES
 
 Section  3.1.  Corporate Status.........................................  A-21
 Section  3.2.  Corporate Documents......................................  A-22
 Section  3.3.  Capital Structure........................................  A-22
 Section  3.4.  Authority; Noncontravention..............................  A-22
 Section  3.5.  Investments..............................................  A-23
 Section  3.6.  Related Company Financial Statements.....................  A-23
</TABLE>
 
                                      A-2
<PAGE>
 
      ARTICLE 4. ADDITIONAL REPRESENTATIONS AND WARRANTIES OF THE FOUNDERS
<TABLE>
 <C>            <S>                                                        <C>
                                                                           PAGE
                                                                           ----
 Section  4.1.  Ownership of Equipe Common...............................  A-23
 Section  4.2.  Authority................................................  A-23
 Section  4.3.  Investment in PRI Common.................................  A-23
 Section  4.4.  Government Consents......................................  A-24
 Section  4.5.  Finder's Fees............................................  A-24
 
     ARTICLE 5. REPRESENTATIONS AND WARRANTIES OF PRI AND ACQUISITION CORP.
 
 Section  5.1.  Corporate Status.........................................  A-25
 Section  5.2.  Capital Structure........................................  A-25
 Section  5.3.  Authority................................................  A-25
 Section  5.4.  SEC Documents............................................  A-26
 Section  5.5.  Absence of Certain Events and Undisclosed Liabilities....  A-27
 Section  5.6.  Litigation...............................................  A-27
 Section  5.7.  Compliance with Applicable Laws..........................  A-27
 Section  5.8.  Taxes....................................................  A-27
 Section  5.9.  Proprietary Rights.......................................  A-27
 Section  5.10. Finder's Fees............................................  A-28
 
            ARTICLE 6. COVENANTS OF EQUIPE AS TO CONDUCT OF BUSINESS
 
 Section  6.1.  Ordinary Course..........................................  A-28
 Section  6.2.  Corporate Documents......................................  A-28
 Section  6.3.  Capital Structure........................................  A-28
 Section  6.4.  Compliance with Applicable Laws..........................  A-28
 Section  6.5.  Investments and Acquisitions.............................  A-28
 Section  6.6.  Indebtedness.............................................  A-29
 Section  6.7.  Litigation...............................................  A-29
 Section  6.8.  Properties...............................................  A-29
 Section  6.9.  Contracts................................................  A-29
 Section  6.10. Taxes....................................................  A-29
 Section  6.11. Benefit Plans............................................  A-29
 Section  6.12. Insurance................................................  A-29
 Section  6.13. Employee Matters.........................................  A-29
 Section  6.14. Proprietary Rights.......................................  A-29
 Section  6.15. General..................................................  A-29
 
             ARTICLE 7. COVENANTS OF PRI AS TO CONDUCT OF BUSINESS
 
 Section  7.1.  Ordinary Course..........................................  A-30
 Section  7.2.  Corporate Documents......................................  A-30
 Section  7.3.  Capital Structure........................................  A-30
 Section  7.4.  Compliance with Applicable Laws..........................  A-30
 Section  7.5.  Investments and Acquisitions.............................  A-30
 Section  7.6.  General..................................................  A-30
</TABLE>
 
                                      A-3
<PAGE>
 
                        ARTICLE 8. ADDITIONAL COVENANTS
<TABLE>
 <C>            <S>                                                        <C>
                                                                           PAGE
                                                                           ----
 Section  8.1.  Proxy Statement..........................................  A-30
 Section  8.2.  PRI Stockholders' Meeting................................  A-30
 Section  8.3.  Related Company Acquisitions.............................  A-30
 Section  8.4.  Access to Information....................................  A-30
 Section  8.5.  Confidentiality..........................................  A-31
 Section  8.6.  Public Disclosure........................................  A-31
 Section  8.7.  Exclusivity..............................................  A-31
 Section  8.8.  Securities Laws..........................................  A-32
 Section  8.9.  Option Assumption; S-8 Registration Statement............  A-32
 Section  8.10. State Statutes...........................................  A-32
 Section  8.11. Pooling Accounting.......................................  A-32
 Section  8.12. Expenses.................................................  A-32
 Section  8.13. Consents; Further Assurances.............................  A-32
 Section  8.14. Updates of Schedules.....................................  A-32
 Section  8.15. Nomination of Director...................................  A-32
 Section  8.16. Indemnification of Equipe Officers and Directors.........  A-33
 Section  8.17. Employee Matters.........................................  A-33
 Section  8.18. Obligations of Acquisition Corp..........................  A-33
 Section  8.19. Affiliate's Agreements...................................  A-34
 
                        ARTICLE 9. CONDITIONS PRECEDENT
 
 Section  9.1.  Conditions to Each Party's Obligations...................  A-34
 Section  9.2.  Conditions to Obligations of PRI and Acquisition Corp....  A-34
 Section  9.3.  Conditions to Obligations of Equipe and Founders.........  A-36
 
                          ARTICLE 10. INDEMNIFICATION
 
 Section 10.1.  Agreement to Indemnify...................................  A-36
 Section 10.2.  Appointment of Stockholders' Representative..............  A-37
 Section 10.3.  Survival of Representations and Warranties...............  A-37
 Section 10.4.  Certain Limitations......................................  A-37
 
                 ARTICLE 11. TERMINATION, AMENDMENT AND WAIVER
 
 Section 11.1.  Termination..............................................  A-37
 Section 11.2.  Effect of Termination....................................  A-38
 Section 11.3.  Amendment................................................  A-38
 Section 11.4.  Extension; Waiver........................................  A-38
 
                           ARTICLE 12. MISCELLANEOUS
 
 Section 12.1.  Arbitration..............................................  A-38
 Section 12.2.  Notices..................................................  A-39
 Section 12.3.  Construction.............................................  A-40
</TABLE>
 
                                      A-4
<PAGE>
 
<TABLE>
 <C>            <S>                                                        <C>
                                                                           PAGE
                                                                           ----
 Section 12.4.  Exhibits and Schedules...................................  A-40
 Section 12.5.  Entire Agreement, Assignability, etc.....................  A-40
 Section 12.6.  Validity.................................................  A-40
 Section 12.7.  Further Assurances.......................................  A-40
 Section 12.8.  Jurisdiction and Venue...................................  A-40
 Section 12.9.  Governing Law............................................  A-40
 Section 12.10. Counterparts.............................................  A-40
 
                                    EXHIBITS
 
 Exhibit A-1.   E-Machine Purchase Agreement
 Exhibit A-2.   Equipe Japan Purchase Agreement
 Exhibit B-1.   Form of PRI Affiliate's Agreement
 Exhibit B-2.   Form of Equipe Affiliate's Agreement
 Exhibit C.     Form of Employment Agreement
 Exhibit D.     Form of Registration Rights Agreement
 Exhibit E.     Form of Irrevocable Proxy
 Exhibit F.     Form of Opinion of Counsel for Equipe and the Founders
 Exhibit G.     Form of Opinion of Counsel for PRI and Acquisition Corp.
</TABLE>
 
                                      A-5
<PAGE>
 
  This Agreement and Plan of Reorganization dated as of October 25, 1997 (this
"Agreement") is entered into among PRI Automation, Inc., a Massachusetts
corporation ("PRI"), E-Acquisition Corp., a California corporation and wholly
owned subsidiary of PRI ("Acquisition Corp."), Equipe Technologies, Inc., a
California corporation ("Equipe"), and each of James Cameron, Frantisek
Pavlik, Paul Rogan, Lubomir Skrobak and Steven The (each a "Founder" and
collectively the "Founders").
 
                                   RECITALS
 
  Each of the Founders is the record holder of the number of issued and
outstanding shares of common stock of Equipe ("Equipe Common") set forth on
Schedule 2.3 to this Agreement.
 
  Simultaneously with entering into this Agreement, PRI, the Founders and the
holders of the capital stock of the Related Companies (as defined below) have
entered into share purchase agreements (collectively, the "Related Company
Acquisition Agreements") in the forms attached hereto as Exhibit A-1 and
Exhibit A-2 relating to the purchase by PRI (collectively, the "Related
Company Acquisitions") of all of the outstanding capital stock of E-Machine,
Inc. ("E-Machine") and Equipe Japan Corporation ("Equipe Japan"). (E-Machine
and Equipe Japan are sometimes referred to herein as the "Related Companies.")
 
  The parties hereto desire to effect a reorganization in which Acquisition
Corp. shall be merged into Equipe, with (a) the surviving corporation to be a
wholly owned subsidiary of PRI, (b) all of the issued and outstanding shares
of Equipe Common to be converted into shares of common stock, $.01 par value,
of PRI ("PRI Common") and (c) all of the outstanding options to purchase
Equipe Common (the "Equipe Options") to become exercisable (if and when
vested) to acquire shares of PRI Common, all upon the terms and conditions set
herein.
 
  Now, Therefore, PRI, Acquisition Corp., Equipe and the Founders hereby agree
as follows:
 
                             ARTICLE 1. THE MERGER
 
  Section 1.1. OFFICERS' CERTIFICATES. Subject to and upon the terms and
conditions of this Agreement, and on the basis of the agreements, covenants,
representations and warranties herein contained, at the closing of the
transactions contemplated by this Agreement (the "Closing") authorized
officers of each of Equipe and Acquisition Corp. shall execute the officers'
certificates (the "Officers' Certificates") required by Section 1103 of the
California General Corporation Law in connection with the statutory merger of
Acquisition Corp. with and into Equipe (the "Merger").
 
  Section 1.2. CLOSING DATE. The Closing shall be held within five (5) days
following the satisfaction of each of the conditions set forth in Article 9
and shall take place at the office of Foley, Hoag & Eliot LLP, Boston,
Massachusetts, at 9 A.M., Pacific time, or on such other date, or at such
other time and place, as the parties may agree upon in writing. The date on
which the Closing is to be held is herein referred to as the "Closing Date."
 
  Section 1.3. EFFECTIVE TIME. Subject to the provisions of this Agreement, as
soon as practicable on or after the Closing Date, a certificate of
satisfaction of the California Franchise Tax Board relating to Acquisition
Corp. (the "Certificate of Satisfaction"), a copy of this Agreement (or a
merger agreement as contemplated by Section 1101 of the California General
Corporation Law) and the executed original Officers' Certificates shall be
filed in accordance with the California General Corporation Law. The Merger
shall become effective as of the time (the "Effective Time") and on such date
(the "Effective Date") as the latest of such filings has been made (provided
that all such filings are subsequently accepted in due course by the Secretary
of State of the State of California). Under this Agreement, shares of Equipe
Common issued and outstanding immediately prior to the Effective Time will be
converted into fully paid and nonassessable shares of PRI Common, in
accordance with Section 1.4.
 
 
                                      A-6
<PAGE>
 
  Section 1.4. EFFECT ON CAPITAL STOCK. At the Effective Time, by virtue of
the Merger and without any action on the part of any party:
 
    1.4.1. All of the 1,000 issued and outstanding shares of common stock of
  Acquisition Corp. shall be converted into an aggregate of 1,000 shares of
  common stock of the Surviving Corporation (as defined in Section 1.6). Each
  stock certificate representing shares of common stock of Acquisition Corp.
  prior to the Effective Time shall represent an equal number of shares of
  common stock of the Surviving Corporation from and after the Effective
  Time.
 
    1.4.2. Each share of Equipe Common issued and outstanding immediately
  prior to the Effective Time shall be converted, subject to the
  indemnification provisions of Article 10, into the right to receive the
  consideration set forth below. Subject to the terms and conditions of this
  Agreement, as of the Effective Time, by virtue of the Merger and without
  any action on the part of Acquisition Corp., Equipe or the holder of any
  shares of the capital stock of Equipe, the following shall occur:
 
      (a) Each holder of record of Equipe Common issued and outstanding
    immediately prior to the Effective Time (each a "Holder") shall receive
    a number of shares of PRI Common equal to the product of the number of
    shares of such Equipe Common held of record by such Holder immediately
    prior to the Effective Time multiplied by 0.760372 (the "Merger
    Ratio").
 
      (b) Each outstanding Equipe Option will be assumed by PRI as of the
    Effective Time and shall thereafter entitle its holder, upon exercise
    of such Equipe Option (if and when vested) following the Effective
    Time, to receive that number of shares of PRI Common equal to the
    product of the number of shares of Equipe Common that were issuable
    upon exercise of such Equipe Option immediately prior to the Effective
    Time (without regard to vesting) multiplied by the Merger Ratio,
    rounded up to the nearest whole number of shares of PRI Common. In
    addition, following the Effective Time, the per share exercise price
    for the PRI Common issuable upon exercise of each Equipe Option shall
    be equal to the quotient, rounded down to the nearest whole cent, of
    the exercise price per share of Equipe Common at which such Equipe
    Option was exercisable immediately prior to the Effective Time divided
    by the Merger Ratio. Following the Effective Time, each assumed Equipe
    Option shall continue to have, and be subject to, the same terms and
    conditions as provided in the option agreement governing such Equipe
    Option immediately prior to the Effective Time, except as set forth in
    this Section.
 
    1.4.3. No fractional shares of PRI Common shall be issuable in connection
  with the Merger, but in lieu thereof each Holder who would otherwise be
  entitled to a fraction of a share of PRI Common shall receive from PRI an
  amount of cash (rounded to the nearest whole cent) equal to the product of
  (i) the fraction and (ii) the average of the last reported sale price of
  the PRI Common on the Nasdaq National Market on each of the twenty
  consecutive trading days immediately preceding the Effective Time (the
  "Average Price").
 
    1.4.4. If, between the date of this Agreement and the Effective Time, the
  outstanding shares of PRI Common shall have been changed into a different
  number of shares or a different class by reason of any reclassification,
  recapitalization, split up, combination, exchange of shares or
  readjustment, the Merger Ratio shall be correspondingly adjusted.
 
  Section 1.5. EXCHANGE OF EQUIPE CERTIFICATES. PRI hereby appoints Foley,
Hoag & Eliot LLP to act as exchange agent (the "Exchange Agent") in the
Merger, to act in accordance with the terms hereof and with such other
instructions as PRI may provide from time to time at or prior to the Closing.
At the Closing, the Holders shall surrender to the Exchange Agent certificates
(the "Equipe Certificates") representing all of the outstanding shares of
Equipe Common and the Exchange Agent shall deliver to each of the Holders
certificates representing the shares of PRI Common issuable pursuant to
Section 1.4 in exchange for shares represented by the Equipe Certificates and
cash in lieu of fractional shares pursuant to Section 1.4.3. Upon the delivery
of such certificates, the Equipe Certificates shall forthwith be canceled. The
shares of PRI Common delivered to the
 
                                      A-7
<PAGE>
 
Holders pursuant to this Section 1.5 shall be deemed to have been delivered in
full satisfaction of all rights pertaining to the ownership of the shares
represented by the Equipe Certificates.
 
  Section 1.6. OTHER EFFECTS. At the Effective Time:
 
    (a) the separate existence of Acquisition Corp. shall cease and
  Acquisition Corp. shall be merged with and into Equipe, with Equipe
  remaining as the surviving corporation (the "Surviving Corporation");
 
    (b) the bylaws of Acquisition Corp. shall be the bylaws of the Surviving
  Corporation;
 
    (c) the articles of incorporation of Acquisition Corp., as in effect
  immediately prior to the Effective Time, shall be the articles of
  incorporation of the Surviving Corporation until the same shall be amended
  thereafter in accordance with the California General Corporation Law and
  such articles of incorporation; provided, however, that Article First of
  the articles of incorporation of the Surviving Corporation shall be amended
  to read as follows: "The name of the corporation is Equipe Technologies,
  Inc.";
 
    (d) the directors and officers of Acquisition Corp. shall be the
  directors and officers of the Surviving Corporation; and
 
    (e) the Merger shall, from and after the Effective Time, have all of the
  effects provided by applicable law, including, without limitation, the
  effects provided for in Section 1107 of the California General Corporation
  Law.
 
  Section 1.7. ACCOUNTING AND TAX TREATMENT. The parties intend that the
Merger shall be treated as a pooling of interests for accounting purposes and
as a reorganization under Section 368(a)(2)(E) of the Internal Revenue Code of
1986, as amended (the "Code").
 
       ARTICLE 2. REPRESENTATIONS AND WARRANTIES OF EQUIPE AND FOUNDERS
 
  Except as set forth in the disclosure schedule dated as of the date of this
Agreement delivered to PRI by Equipe (the "Disclosure Schedule"), Equipe and
each of the Founders, jointly and severally, represent and warrant to PRI and
Acquisition Corp. as follows (except where the context expressly precludes
such reference, references to "Equipe" in the following representations and
warranties shall be deemed to include Equipe and the Related Companies, and
the assets, liabilities, operations and business of each of them, on a
combined basis):
 
  Section 2.1. CORPORATE STATUS. Equipe is a corporation duly incorporated,
validly existing and in good standing under the laws of the State of
California, with all requisite corporate power to own, lease and operate its
properties and to carry on its business as now being conducted. Equipe is duly
qualified to do business as a foreign corporation, and is in good standing, in
each other jurisdiction in which it owns or leases property or conducts
business, except where the failure to be so qualified does not have any effect
that is, or is reasonably likely to be, materially adverse to its results of
operations or financial condition, including the Related Companies, on a
combined basis, other than such effects resulting from (i) general economic
changes affecting the semiconductor capital equipment industry in general or
(ii) this Agreement or the transactions contemplated hereby or the
announcement hereof (an "Equipe Material Adverse Effect").
 
  Section 2.2. CORPORATE DOCUMENTS. Equipe has delivered to PRI true and
complete copies of its articles of incorporation, as amended to date (the
"Equipe Charter"), and its bylaws, as amended to date (the "Equipe Bylaws").
The Equipe Charter and the Equipe Bylaws are in full force and effect, and,
except as contemplated hereby, no further amendment or restatement thereof has
been adopted or proposed. Equipe is not in violation of any provision of the
Equipe Charter or the Equipe Bylaws. The minute books and stock records of
Equipe, copies of which have heretofore been delivered to PRI, are true and
complete and are the only minute books and stock records of Equipe as of the
date hereof. Schedule 2.2 sets forth the current directors and officers of
Equipe.
 
 
                                      A-8
<PAGE>
 
  Section 2.3. CAPITAL STRUCTURE. The authorized capital stock of Equipe
consists of (a) 10,000,000 shares of Equipe Common, of which 5,376,344 shares
are outstanding as of the date hereof and (b) 1,000,000 shares of preferred
stock, none of which are outstanding. No shares of Equipe Common are held as
treasury stock. All shares of Equipe Common issued and outstanding as of the
date hereof are duly authorized, validly issued, fully paid and nonassessable
and not subject to preemptive rights created by statute, the Equipe Charter,
the Equipe Bylaws or any agreement to which Equipe is a party or is bound. The
name of each holder of an Equipe Option, the grant date of each Equipe Option,
and the number of shares of Equipe Common for which each Equipe Option is
exercisable are set forth on Schedule 2.3. The terms of the Equipe Options are
reflected in written option agreements, true and complete copies of which have
been delivered to PRI. Equipe has not accelerated the vesting schedule or
otherwise modified the terms of any of the Equipe Options. Equipe has not
issued, nor is Equipe or any stockholder of Equipe a party to or bound by: (a)
any option, warrant, call, right or agreement, other than the Equipe Options,
obligating Equipe to issue, deliver or sell additional shares of capital stock
of Equipe or to grant or modify any such option, warrant, call, right or
agreement; (b) any option, warrant, call, right or agreement obligating any
such stockholder of Equipe, in any circumstances, to deliver or sell, or offer
for delivery or sale, any shares of the capital stock of Equipe or obligating
any such stockholder to grant or modify any such option, warrant, call, right
or agreement, including any agreement containing provisions with respect to
preemptive rights, rights of first refusal, purchase rights, "tag-along" or
"come-along" arrangements, or similar rights; (c) any voting trust, proxy or
other agreement or understanding with respect to the voting of shares of
capital stock of Equipe; and (d) any other agreement restricting the transfer
of, or affecting rights with respect to, shares of the capital stock of
Equipe.
 
  Section 2.4. AUTHORITY.
 
    2.4.1. Equipe has all requisite corporate power to execute and deliver
  this Agreement and each of the Employment Agreements and to cause its
  officers to execute and deliver the Officers' Certificate of Equipe (each
  as defined herein and collectively the "Equipe Corollary Agreements") and
  to consummate the transactions contemplated hereby and thereby. The
  execution and delivery of this Agreement and the Equipe Corollary
  Agreements, and the consummation of the transactions contemplated hereby
  and thereby, have been duly and validly authorized by all requisite
  corporate action on the part of Equipe no other corporate proceedings on
  the part of Equipe are necessary to authorize the execution and delivery of
  this Agreement or any of the Equipe Corollary Agreements or to consummate
  the transactions contemplated hereby and thereby. This Agreement has been
  duly and validly executed and delivered by Equipe and, assuming the due and
  valid execution and delivery of this Agreement by the other parties hereto,
  constitutes a legal, valid and binding obligation of Equipe enforceable in
  accordance with its terms, all as may be subject to or affected by any
  bankruptcy, reorganization, insolvency, moratorium or similar laws of
  general application from time to time in effect and relating to or
  affecting the rights or remedies of creditors generally (the "Creditor
  Exception"). As of the Closing Date, each of the Equipe Corollary
  Agreements will be duly and validly executed and delivered by Equipe and
  will constitute a legal, valid and binding obligation of Equipe enforceable
  in accordance with its terms, all as may be subject to or affected by the
  Creditor Exception.
 
    2.4.2. The execution and delivery of this Agreement do not, and the
  execution and delivery of the Equipe Corollary Agreements and the
  consummation of the transactions contemplated hereby and thereby will not,
  result in any Violation (as defined below) of any provision of the Equipe
  Charter, the Equipe Bylaws, any Contract (as defined in Section 2.10),
  including any loan or credit agreement, note, mortgage, indenture, lease or
  employee benefit plan, any of the Permits (as defined in Section 2.7), or
  any judgment, order, decree, statute, law, ordinance, rule or regulation of
  any Governmental Entity (as defined below) applicable to Equipe or its
  properties or assets, other than Violations that do not and will not,
  individually or in the aggregate, have an Equipe Material Adverse Effect.
  Equipe does not have any plans, programs or agreements to which it is a
  party or subject pursuant to which payments may be required or acceleration
  of benefits may be required upon a change of control of Equipe. No consent,
  approval, order or authorization of, or registration, declaration or filing
  with, any Governmental Entity is required by or with respect to Equipe in
  connection with the execution and delivery of this Agreement or any of the
  Equipe Corollary Agreements or the consummation of the transactions
  contemplated hereby and thereby, other than pursuant
 
                                      A-9
<PAGE>
 
  to the HSR Act (as hereinafter defined) and except for the filing of the
  Certificate of Satisfaction, a copy of this Agreement and the executed
  original Officers' Certificates with the Secretary of State of the State of
  California. As used herein: "Violation" means, with respect to a provision,
  (A) any conflict with, violation of or default (with or without notice or
  lapse of time, or both) under such provision, (B) the arising of any right
  of termination, cancellation or acceleration of any obligation, or loss of
  any material benefit, under such provision, or (C) the arising of any lien,
  pledge, claim, charge, security interest, mortgage, easement, servitude,
  refusal, claim of infringement, condition or other restriction or
  encumbrance of any kind, including any restriction on use, voting (in the
  case of any security), transfer, receipt of income or exercise of any other
  attribute of ownership on assets; and "Governmental Entity" means any
  domestic or foreign court, administrative agency or commission, or other
  governmental authority or instrumentality.
 
  Section 2.5. INVESTMENTS. Equipe does not directly or indirectly own, or
have the right to acquire, any equity interest or investment in the equity
capital of any Person (as defined below). Equipe has no obligation to acquire
any class of securities (including debt securities) issued by any Person.
Equipe has not owned or controlled any subsidiary corporation or any stock or
other interest in any Person and is not a party to, and has not been a party
to, or bound by any partnership, joint venture, voluntary association,
cooperative or business trust agreement or arrangement other than in the
ordinary course of business. Equipe has delivered to PRI true and complete
copies of any such agreements or arrangements that were entered into in the
ordinary course of business and any provision of which is currently in effect.
As used herein, "Person" means any individual, corporation, partnership, firm,
joint venture, association, joint-stock company, trust, unincorporated
organization, Governmental Entity or any other entity.
 
  Section 2.6. FINANCIAL STATEMENTS.
 
    2.6.1. The audited balance sheets of Equipe at each of December 31, 1994,
  1995 and 1996 and the related audited statements of operations, changes in
  stockholders' equity and cash flows for the years then ended (including the
  notes thereto), and the unaudited balance sheets of Equipe at June 30, 1996
  and 1997 and the related unaudited statements of operations, changes in
  stockholders' equity and cash flows for the six-month period then ended
  (including the notes thereto), as provided by Equipe to PRI, have been
  prepared in accordance with generally accepted accounting principles
  ("GAAP"), applied on a consistent basis throughout the periods involved
  (except that the unaudited financial statements do not contain all the
  notes that may be required by GAAP and were or are subject to normal and
  recurring year-end adjustments that were not or are not expected to be
  material in amount), and fairly present in all material respects the
  financial position of Equipe as at the dates thereof and the results of its
  operations and its cash flows for the periods then ended. As used herein,
  "Financial Statements" means all of such financial statements and notes
  collectively, "1997 Balance Sheet" means the unaudited balance sheet of
  Equipe at June 30, 1997, and "1997 Financial Statements" means the 1997
  Balance Sheet and the related unaudited financial statements of Equipe for
  the six months ended June 30, 1997 (including the notes thereto). The books
  of account of Equipe have been prepared and maintained in accordance with
  Equipe's normal practice, consistent in all material respects with the
  accounting principles and policies reflected in the Financial Statements.
 
    2.6.2. All accounts receivable reflected on the 1997 Balance Sheet and
  Equipe's books and records as of the date hereof represent sales actually
  made in the ordinary course of business and in a manner consistent with
  Equipe's regular credit practices. The reserve for doubtful accounts
  reflected on the 1997 Balance Sheet was established based upon and
  consistent with past practice.
 
    2.6.3. Equipe has no liabilities, asserted liabilities or obligations of
  any nature, whether absolute, accrued, contingent or otherwise, other than
  (a) those disclosed or reflected on the 1997 Financial Statements or
  disclosed in accordance with this Agreement (including any Schedule
  hereto), (b) those incurred since June 30, 1997 in the ordinary course of
  Equipe's business consistent with past practice, and (c) liabilities or
  obligations that are not material, individually or in the aggregate, or
  that are not required under GAAP to be disclosed or reflected on the 1997
  Financial Statements.
 
                                     A-10
<PAGE>
 
    2.6.4. Equipe does not have any outstanding Indebtedness (as defined
  below) for borrowed money or any other Indebtedness, other than
  Indebtedness reflected or reserved against in the 1997 Balance Sheet,
  accounts payable incurred since June 30, 1997 in the ordinary course of
  business consistent with past practice, and Indebtedness disclosed in
  accordance with this Agreement (including any Schedule hereto). For
  purposes of this Agreement, "Indebtedness" means (a) all items (except
  items of capital stock, stockholders' equity, surplus or retained earnings,
  and general contingency reserves) that in accordance with GAAP would be
  included in determining total liabilities of Equipe as at the date as of
  which Indebtedness is to be determined, (b) indebtedness secured by any
  mortgage, pledge, lien, security interest or conditional sale or other
  title retention agreement to which any property or asset owned or held by
  Equipe is subject, whether or not the indebtedness secured thereby shall
  have been assumed, and (c) indebtedness of others which Equipe has directly
  or indirectly guaranteed, endorsed (otherwise than for collection or
  deposit in the ordinary course of business), sold or discounted with
  recourse or (contingently or otherwise) to purchase or repurchase or
  otherwise acquire, or in respect of which Equipe has agreed to supply or
  advance funds (whether by way of loan, stock purchase, capital contribution
  or otherwise) or otherwise become directly or indirectly liable.
 
  Section 2.7. COMPLIANCE WITH APPLICABLE LAWS. Equipe holds all permits,
licenses, variances, certificates of occupancy, exemptions, orders, approvals
and authorizations of all Governmental Entities that are material to the
operation of its business (the "Permits"). All of the Permits are in full
force and effect, and Equipe has delivered to PRI true and complete copies of
all of the Permits. Equipe is in compliance with the terms of the Permits,
except where any such failure so to comply, individually or in the aggregate
with any other such failures, would not have an Equipe Material Adverse
Effect. Equipe has not received notice from any Governmental Entity that it is
in Violation of any Permit, and no proceeding is pending, or, to the knowledge
of Equipe or any Founder, threatened, to revoke, suspend, cancel or limit any
of the Permits. No action by Equipe, PRI, the Surviving Corporation or any
other party is required in order that all of the Permits will remain in full
force and effect following the Merger. The business of Equipe is not being
conducted in violation of or conflict with any law, ordinance or regulation or
any order, judgment, injunction, award or decree of any Governmental Entity
(except for Environmental Laws, which are the subject of Section 2.17)
(collectively "Laws"), except such violations or conflicts as do not and will
not, individually or in the aggregate, have an Equipe Material Adverse Effect.
As of the date of this Agreement, no investigation or review by any
Governmental Entity with respect to Equipe is pending or, to the knowledge of
Equipe or any Founder, threatened, and, to the knowledge of Equipe and each
Founder, the continued use, occupancy and operation of the Leased Real
Property (as defined in Section 2.9.2) as currently used, occupied and
operated does not constitute a nonconforming use under any Law.
 
  Section 2.8. LITIGATION. Except as set forth on Schedule 2.8, there is no
claim, dispute, action, suit, appeal, legal, administrative or arbitral
proceeding, or investigation, at law or in equity, pending against Equipe, or
involving any of its assets or properties, or in respect of which Equipe has
agreed to indemnify or defend any other Person, before any court, agency,
authority, arbitration panel or other tribunal, and, to the knowledge of
Equipe and each Founder, none has been threatened. Equipe is not subject to
any subpoena, warrant, order, writ, injunction or decree of any court, agency,
authority, arbitration panel or other tribunal, nor is it in default with
respect to any such subpoena, warrant, order, writ, injunction or decree. No
judgment has been entered by, and no claim, dispute, action, suit, appeal,
legal, administrative or arbitral proceeding, or investigation, at law or in
equity, is pending or, to the knowledge of Equipe or any Founder, threatened,
that materially and adversely affects, or could materially and adversely
affect, the ability of Equipe to perform under this Agreement or that seeks to
enjoin or prohibit any of the transactions contemplated by this Agreement.
 
  Section 2.9. PROPERTIES.
 
    2.9.1. OWNED PROPERTIES. Equipe does not own and has never owned any real
  property.
 
    2.9.2. LEASED PROPERTIES. Equipe has delivered to PRI true and complete
  copies of all leases, subleases, licenses, revocable use permits and other
  agreements (collectively, the "Real Property Leases")
 
                                     A-11
<PAGE>
 
  under which Equipe uses or occupies any real property (the land and
  improvements covered by the Real Property Leases being herein called the
  "Leased Real Property"), which Real Property Leases involve aggregate
  payments by Equipe of $100,000 or more per year. Each Real Property Lease
  is valid, binding and in full force and effect, no written notice of
  default or termination thereunder is outstanding with respect to any Real
  Property Lease, all rent and other material sums due and payable by Equipe
  under each Real Property Lease are current, neither Equipe nor, to the
  knowledge of Equipe, the lessor, is in default in any material respect in
  its obligations under any Real Property Lease, and no event has occurred
  nor condition exists which, with the giving of notice or the lapse of time
  or both, would constitute a material default under any Real Property Lease.
  Equipe holds the leasehold estate under and interest in each Real Property
  Lease free and clear of all liens, claims, charges and encumbrances
  (together, "Encumbrances") except for (a) Encumbrances reflected in the
  1997 Financial Statements with respect to which no default (or event that,
  with notice or lapse of time or both, would constitute a default) exists,
  (b) Encumbrances securing taxes, assessments, governmental charges or
  levies, or the claims of materialmen, carriers, landlords and like persons,
  all of which are not yet due and payable, (c) restrictions on use contained
  in Real Property Leases that do not restrict the property subject thereto
  from being used as such property is currently used or (d) imperfections of
  title and other minor Encumbrances that do not materially detract from the
  value or impair the use of the asset subject thereto or impair the
  operations of Equipe (collectively, the Encumbrances described in clauses
  (a), (b), (c) and (d) shall be referred to as "Permitted Encumbrances").
  Neither Equipe nor any of its officers, directors or stockholders has any
  ownership, financial or other interest in the landlord under any Real
  Property Lease.
 
    2.9.3. ENTIRE PREMISES. All of the land, buildings, structures and other
  improvements used by Equipe in the conduct of Equipe's business (the
  "Improvements") are included in the Leased Real Property. To the knowledge
  of Equipe and each Founder, Equipe has taken no action and has suffered no
  action to occur that would materially adversely affect the interest of
  Equipe in the Leased Real Property. Equipe does not own or hold, and is not
  obligated under or a party to, any option, right of first refusal or other
  contractual right to purchase, acquire, sell or dispose of the Leased Real
  Property or any portion thereof or interest therein.
 
    2.9.4. PERSONAL PROPERTY. Equipe has good and marketable title to, or
  holds under valid leasehold estates, all personal property necessary for
  the operation of Equipe's business, free and clear of any imperfection of
  title or Encumbrance, other than Permitted Encumbrances and imperfections
  and Encumbrances that, individually or in the aggregate, would not have an
  Equipe Material Adverse Effect.
 
    2.9.5. CONDITION OF PROPERTY. The Leased Real Property and all personal
  property owned or leased by Equipe and necessary for the operation of
  Equipe's business are in good operating condition and repair in all
  material respects, ordinary wear and tear excepted.
 
    2.9.6. CONDEMNATION. To the knowledge of Equipe and each Founder, there
  is no threatened condemnation proceeding affecting the Leased Real Property
  or any part thereof or any sale or other disposition of the Leased Real
  Property or any part thereof in lieu of condemnation.
 
    2.9.7. SPACE LEASES. Equipe has not entered into any lease, sublease,
  license or other agreement granting to any person other than Equipe any
  right to the possession, use, occupancy or enjoyment of the Leased Real
  Property or any portion thereof.
 
  Section 2.10. CONTRACTS. Set forth on Schedule 2.10 is a list of the
following written agreements, contracts, instruments, guaranties, or
commitments to which Equipe or either of the Related Companies is a party or
by which or to which any of such company's assets or properties are bound or
subject ("Contracts"), true and complete copies of which have been provided to
PRI:
 
    (a) Contracts with any current or former officer, director, employee,
  consultant, agent, representative or security holder, including any
  employment, consulting or deferred compensation agreement and any executive
  compensation, bonus or incentive plan agreement;
 
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<PAGE>
 
    (b) Contracts for the purchase, sale or lease of materials, supplies,
  equipment, goods, research and development, or capital assets, or the
  receipt of services, the performance of which will extend over a period of
  more than one year or involve consideration in excess of $100,000;
 
    (c) Contracts currently in effect that were entered into in the ordinary
  course of business and that involve payment of consideration to or by
  Equipe in excess of $100,000;
 
    (d) Contracts for the sale of any assets or properties of Equipe other
  than in the ordinary course of business or for the grant to any Person of
  any preferential rights to purchase any assets or properties of Equipe;
 
    (e) Contracts establishing joint ventures or partnerships;
 
    (f) Contracts establishing franchise, distribution or sales agency
  arrangements;
 
    (g) Contracts under which Equipe agrees to indemnify any party other than
  Contracts entered into in the ordinary course of business;
 
    (h) Contracts containing obligations or liabilities of any kind to
  holders of the capital stock of Equipe as such;
 
    (i) Contracts relating to the acquisition by Equipe of any operating
  business or any capital stock of any other Person (including, without
  limitation, either of the Related Companies);
 
    (j) Contracts containing options for the purchase of any asset tangible
  or intangible, for an aggregate purchase price of more than $100,000;
 
    (k) Contracts requiring the payment to any person of any override or
  similar commission or fee;
 
    (l) Contracts for the borrowing of money;
 
    (m) Contracts calling for an aggregate purchase price or payments by
  Equipe in any one year of more than $100,000 in any one case (or in the
  aggregate, in the case of any related series of Contracts); and
 
    (n) any other Contracts that were not made in the ordinary course of
  business and that are, individually or in the aggregate, material to
  Equipe.
 
With respect to each Contract referred to above:
 
    (1) the Contract is legal, valid and binding, is enforceable in
  accordance with its terms, and is in full force and effect;
 
    (2) the Contract will continue to be legal, valid and binding,
  enforceable in accordance with its terms, and in full force and effect on
  identical terms following the Merger;
 
    (3) neither Equipe nor, to the knowledge of Equipe or any Founder, any
  other party to the Contract is in material breach or default, and no event
  has occurred which with notice or lapse of time would constitute a material
  breach or default by Equipe, or, to the knowledge of Equipe or any Founder,
  by any other party, or permit termination, modification or acceleration
  under the Contract; and
 
    (4) neither Equipe nor, to the knowledge of Equipe or any Founder, any
  other party to the Contract has repudiated any material provision of the
  Contract;
 
provided that the foregoing representations and warranties are qualified by
the Creditor Exception, and assume (x) the due and valid execution and
delivery by or on behalf of each of the other parties thereto, (y) that each
of such other parties had the power to enter into and perform its obligations
thereunder and (z) that the Contracts constitute the legal, valid, binding and
enforceable obligation of each such other party.
 
  Section 2.11. TAXES.
 
    2.11.1. Equipe and each of the Related Companies has timely filed in
  accordance with applicable law all Tax Returns (as defined below) they were
  required to file, and the Founders individually have filed in
 
                                     A-13
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  accordance with applicable law all Tax Returns they were required to file
  with respect to the operations and assets of Equipe and each of the Related
  Companies. All Taxes (as defined below) shown as due on such Tax Returns
  have been paid. All Tax Returns filed by Equipe, the Related Companies and
  the Founders with respect to Taxes were prepared in compliance with all
  applicable laws and regulations and were true and complete in all material
  respects as of the date on which they were filed or as subsequently amended
  to the date hereof. Equipe has delivered to PRI true and complete copies of
  federal, state, local and foreign Tax Returns and the related Form K-1's of
  Equipe, the Related Companies and the Founders for each of the years ended
  December 31, 1996, 1995 and 1994 and all revenue agent's reports and other
  written assertions of deficiencies or other liabilities for Taxes with
  respect to past periods for which the applicable statute of limitations has
  not expired. None of such Tax Returns is or has been subject to audit.
  Equipe will provide to PRI copies of any such reports or written assertions
  received after the date hereof within ten days of their first being
  received by Equipe.
 
    2.11.2. Equipe and each Related Company has timely paid, or will timely
  pay on or prior to the Closing Date, all Taxes for which a notice of, or
  assessment or demand for, payment has been received or which are otherwise
  due and payable up to and including the Closing Date with respect to
  Equipe, its operations and assets (in each case, whether or not shown on
  any Tax Return), except for Taxes that are being contested in good faith by
  appropriate proceedings (all of which are set forth on Schedule 2.11) and
  Taxes for which adequate reserves are reflected on the 1997 Balance Sheet.
 
    2.11.3. Equipe and each Related Company has complied with all applicable
  laws, rules and regulations relating to the withholding of Taxes and has
  timely collected or withheld and paid over (and up to the Closing Date will
  have timely collected or withheld and paid over) to the proper Governmental
  Entities all amounts required to be so collected or withheld and paid over
  for all periods up to the Closing Date under all applicable laws. There are
  not currently in effect any waivers or extensions of any applicable statute
  of limitations for the assessment or collection of Taxes with respect to
  any Tax Return that relates to Equipe or either of the Related Companies,
  and no request for any such waiver or extension is pending. There are no
  Tax rulings, requests for rulings or closing agreements relating to Equipe
  that could affect its liability for Taxes for any period after the Closing
  Date.
 
    2.11.4. Neither Equipe nor either Related Company has any current or
  potential contractual obligation to indemnify any other Person with respect
  to Taxes, or any obligation to make distributions in respect of Taxes. No
  claim has ever been made by a taxing authority in a jurisdiction where
  Equipe does not file Tax Returns that Equipe is or may be subject to
  taxation by such jurisdiction. No power of attorney has been granted by
  Equipe with respect to any matter relating to Taxes, which power of
  attorney is currently in force. Equipe has not filed a consent under Code
  section 341(f) or any comparable provision of state law.
 
  As used herein: "Taxes" means all taxes of any kind, charges, fees, customs,
duties, imposts, levies or other assessments, including all net income, gross
receipts, ad valorem, value added, transfer, gains, franchise, profits,
inventory, net worth, capital stock, asset, sales, use, license, estimated,
withholding, payroll, transaction, capital, employment, social security,
workers compensation, unemployment, excise, severance, stamp, occupation, and
property taxes, together with any interest and any penalties, additions to tax
or additional amounts, imposed by any taxing authority; and "Tax Return" means
all returns, declarations, reports, forms, estimates, information returns and
statements required to be filed in respect of any Taxes or to be supplied to a
taxing authority in connection with any Taxes.
 
  Section 2.12. BENEFIT PLANS.
 
    2.12.1. Schedule 2.12 sets forth a true and complete list of all employee
  benefit plans (whether or not they constitute employee benefit plans within
  the meaning of section 3(3) of Title IV of Employee Retirement Income
  Security Act of 1974, as amended), arrangements, policies or commitments
  (including any employment, consulting or deferred compensation agreement,
  executive compensation, bonus,
 
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<PAGE>
 
  incentive, pension, profit-sharing, savings, retirement, stock option,
  stock purchase or severance pay plan, any life, health, disability or
  accident insurance plan, or any holiday or vacation practice) as to which
  Equipe or any Commonly Controlled Entity has any direct or indirect, actual
  or contingent liability (each a "Benefit Plan"). Equipe has, with respect
  to each Benefit Plan, delivered to PRI, where applicable, true and complete
  copies of: (a) all plan texts and agreements and related trust agreements
  or annuity contracts; (b) all summary plan descriptions and material
  employee communications; (c) the most recent annual report (Form 5500
  series, including all schedules thereto); (d) the most recent actuarial
  valuation; (e) the most recent annual audited financial statement and
  opinion; (f) if the plan is intended to qualify under Code section 401(a)
  or 403(a), the most recent determination letter received from the Internal
  Revenue Service (the "IRS"); and (g) all material communications with any
  Governmental Entity, including the Pension Benefit Guaranty Corporation
  (the "PBGC") and the IRS.
 
    2.12.2. No Benefit Plan is subject to Title IV of Employee Retirement
  Income Security Act of 1974, as amended ("ERISA"), or to Code section 412
  or is a defined benefit plan within the meaning of ERISA section 3(35) or
  Code section 414(i). Equipe and any entity which is under common control
  with Equipe within the meaning of Code section 414(b), (c), (m) or (o) (a
  "Commonly Controlled Entity") has made all payments due from it to date
  with respect to each Benefit Plan. All amounts properly accrued as
  liabilities to or expenses of any Benefit Plan that have not been paid have
  been properly reflected on the 1997 Financial Statements. Each Benefit Plan
  conforms to, and its administration is in compliance with, all applicable
  laws and regulations except where the failure to so conform or comply would
  not have an Equipe Material Adverse Effect. There are no actions, liens,
  suits or claims pending or, to the knowledge of Equipe, threatened (other
  than routine claims for benefits) with respect to any Benefit Plan which
  would have an Equipe Material Adverse Effect. Each Benefit Plan which is
  intended to qualify under Code section 401(a) or 403(a) so qualifies except
  where the failure to so qualify would not have an Equipe Material Adverse
  Effect. No event has occurred, and there exists no condition or set of
  circumstances, that presents a material risk of a partial termination
  (within the meaning of Code section 411(d)(3)) of any Benefit Plan. Except
  as set forth on Schedule 2.12, Equipe does not have any Benefit Plan that
  is a "group health plan" (as defined in ERISA section 607(1)). No assets of
  Equipe are allocated to or held in a "rabbi trust" or similar funding
  vehicle. Equipe does not have any Benefit Plan that is a welfare plan
  within the meaning of ERISA section 3(1) (regardless of whether the plan is
  covered by ERISA) and that provides benefits to current or former employees
  beyond their retirement or other termination of service (other than
  coverage mandated by COBRA, the cost of which is fully paid by the current
  or former employee or his dependents); and there exists no (a) unfunded
  benefit obligations with respect to any employee of Equipe which are not
  fairly reflected by reserves shown on Equipe's most recent financial
  statements or (b) reserves, assets, surpluses or prepaid premiums with
  respect to any Benefit Plan that is a welfare plan within the meaning of
  ERISA section 3(1) (regardless of whether the plan is covered by ERISA).
 
    2.12.3. The consummation of the transactions contemplated by this
  Agreement will not (a) entitle any current or former individual employed by
  Equipe or any Commonly Controlled Entity to severance pay, unemployment
  compensation or any similar payment, (b) accelerate the time of payment or
  vesting, or increase the amount of any compensation due to, any current or
  former employed by Equipe or any Commonly Controlled Entity, (c) constitute
  or involve a prohibited transaction (as defined in ERISA section 406 or
  Code section 4975), constitute or involve a breach of fiduciary
  responsibility within the meaning of ERISA section 502(1) or otherwise
  violate Part 4 of Title I of ERISA or (d) result in the payment of
  compensation that would, in combination with any other payment, result in
  an "excess parachute payment" within the meaning of Code section 280G(b).
 
    2.12.4. As of the Closing, neither Equipe nor any Commonly Controlled
  Entity has incurred any liability or obligation under the Worker Adjustment
  and Retraining Notification Act, as it may be amended from time to time,
  and within the six-month period immediately following the Closing, neither
  will incur any such liability or obligation if, during such six-month
  period, only terminations of employment in the normal course of operations
  occur.
 
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<PAGE>
 
    2.12.5. With respect to the Benefit Plans, individually and in the
  aggregate, no event has occurred, and to the knowledge of Equipe and each
  Founder, there exists no condition or set of circumstances in connection
  with which Equipe could be subject to any liability under ERISA, the Code
  or any other applicable law that is reasonably likely to have an Equipe
  Material Adverse Effect, other than any liability for benefits claims and
  funding obligations payable in the ordinary course.
 
    2.12.6. With respect to the Benefit Plans, there are no funded benefit
  obligations for which contributions have not been made or properly accrued
  and there are no unfunded benefit obligations that have not been accounted
  for by reserves, or otherwise properly footnoted in accordance with GAAP,
  on the 1997 Balance Sheet, except for obligations that are not,
  individually and in the aggregate, reasonably likely to have an Equipe
  Material Adverse Effect.
 
  Section 2.13. ABSENCE OF CERTAIN CHANGES OR EVENTS. Except as contemplated
by this Agreement, since June 30, 1997, Equipe has conducted its business only
in the ordinary course consistent with past practice. Without limiting the
generality of the foregoing, during such period:
 
    (a) there has been no Equipe Material Adverse Effect;
 
    (b) neither the business, properties nor assets of Equipe have suffered a
  material adverse loss (whether or not covered by insurance) as the result
  of fire, explosion, earthquake, accident, labor trouble, condemnation or
  taking of property by any Governmental Entity, flood, windstorm,
  pestilence, embargo, riot, act of God or the public enemy or any other
  casualty or similar event;
 
    (c) Equipe has not declared or paid any dividend or other distribution
  (whether in cash, stock or property or any combination thereof) in respect
  of the capital stock of Equipe;
 
    (d) Equipe has not purchased, redeemed or otherwise acquired (or
  committed itself to purchase, redeem or acquire), directly or indirectly,
  any shares of the capital stock of Equipe;
 
    (e) Equipe has not made any acquisition of all or any part of the assets,
  properties, capital stock or business of any other Person, other than
  inventory, equipment and supplies acquired in the ordinary course of
  business consistent with past practice;
 
    (f) Equipe has not, except in the ordinary course of business consistent
  with past practice, sold or otherwise disposed of any material assets of
  Equipe;
 
    (g) Equipe has not sold, assigned, transferred, conveyed or licensed, or
  committed itself to sell, assign, transfer, convey or license, any
  Proprietary Rights (as defined in Section 2.20), other than in the ordinary
  course of business;
 
    (h) Equipe has not waived or released any right or claim of material
  value to its business, including any write-off or other compromise of any
  material account receivable of Equipe;
 
    (i) Equipe has not paid, directly or indirectly, any of its material
  liabilities before the same became due in accordance with its terms or
  otherwise than in the ordinary course of business consistent with past
  practice;
 
    (j) Equipe has not made any payment or commitment to pay any severance or
  termination pay to any employee of Equipe;
 
    (k) Equipe has not made any wage or salary increase or bonus, or increase
  in any other direct or indirect compensation for or to any employee,
  officer, director, consultant, agent or other representative, other than in
  the ordinary course of business consistent with past practice;
 
    (l) Equipe has not made any loan or advance to any of its stockholders,
  officers, directors, employees, consultants, agents or other
  representatives (other than travel advances made in the ordinary course of
 
                                     A-16
<PAGE>
 
  business), or made any other loan or advance otherwise than in the ordinary
  course of business consistent with past practice;
 
    (m) Equipe has not pledged or otherwise, voluntarily or involuntarily,
  encumbered any of its assets or properties, except for liens for current
  taxes which are not yet delinquent and purchase-money liens arising out of
  the purchase or sale of products made in the ordinary and usual course of
  business and in any event not in excess of $25,000 for any single item or
  $50,000 in the aggregate;
 
    (n) Equipe has not materially changed any of its accounting methods,
  principles or procedures;
 
    (o) Equipe has not materially changed any of its business policies or
  practices, including advertising, marketing, pricing, purchasing,
  personnel, sales or budget policies;
 
    (p) Equipe has not suffered or incurred any damage, destruction or loss,
  whether or not covered by insurance, which will have or could reasonably be
  expected to have an Equipe Material Adverse Effect; and
 
    (q) Equipe has not entered into any agreement to do any of the foregoing.
 
  Section 2.14. OFFICERS, DIRECTORS AND KEY EMPLOYEES. Equipe has provided to
PRI:
 
    (a) the name, position held and compensation of each Person who is either
  an officer or director of Equipe or an employee, consultant, agent or other
  representative of Equipe whose current annual rate of compensation
  (including bonuses and commissions) exceeds $100,000; and
 
    (b) any arrangement or obligation of Equipe to make any payment to any
  such Person as a result of, or conditioned on, the consummation of the
  transactions contemplated hereby.
 
  Section 2.15. POTENTIAL CONFLICTS OF INTEREST. Except for normal
compensation received as employees, no officer, director or stockholder of
Equipe and, other than the Related Companies, no entity known by Equipe to be
controlled by any officer, director or stockholder of Equipe:
 
    (a) is directly or indirectly engaged in business as a competitor,
  lessor, lessee, customer or supplier of Equipe; owns directly or indirectly
  any interest (excepting no more than five percent stockholdings for
  investment purposes in securities of publicly held companies) in any Person
  that is directly or indirectly engaged in business as a competitor, lessor,
  lessee, franchisee, customer or supplier of Equipe; or is an officer,
  director, employee or consultant of any such Person;
 
    (b) owns directly or indirectly, in whole or in part, any material
  tangible or intangible property that Equipe uses;
 
    (c) has any cause of action or other claim whatsoever against, or owes
  any amount to, Equipe, except for claims in the ordinary course of
  business, such as for accrued vacation pay, and similar matters in
  agreements existing on the date hereof; or
 
    (d) has made any payment or commitment to pay any commission, fee or
  other amount to, or purchase or obtain or otherwise contract to purchase or
  obtain any goods or services from, any Person of which any officer or
  director of Equipe is a partner or stockholder (excepting no more than five
  percent stockholdings for investment purposes in securities of publicly
  held companies).
 
  Section 2.16. FINDER'S FEES. Equipe has not incurred any liability,
contingent or otherwise, for brokerage fees, finder's fees, agent's
commissions, financial advisory fees or other similar forms of compensation in
connection with this Agreement or any of the transactions contemplated hereby,
other than as described in its engagement letter with BT Alex. Brown
Incorporated dated July 7, 1997, a copy of which has been provided to PRI.
 
                                     A-17
<PAGE>
 
  Section 2.17. ENVIRONMENTAL MATTERS.
 
    2.17.1. Equipe has been in the past and is now in compliance with all
  Environmental Laws (as defined below) and all requirements of applicable
  permits, licenses, approvals and other authorizations pertaining thereto
  other than any such noncompliance that would not have an Equipe Material
  Adverse Effect.
 
    2.17.2. Equipe has received no notification that it is or could be, and
  there is no basis for it to become, and, to Equipe's knowledge, it is not,
  subject to any claim, action, obligation, proceeding, investigation or
  evaluation, directly or indirectly relating to any of its current or past
  operations, or those of any predecessor or affiliate (as defined below), or
  any by-product thereof, or any of its current or formerly owned, leased or
  operated properties, or those of any predecessor or affiliate, that could
  reasonably be expected to directly or indirectly result in the incurrence
  of any Environmental Liabilities and Costs (as defined below) by Equipe.
 
    2.17.3. To Equipe's knowledge, there are not now and never have been any
  underground storage tanks situated on any real property owned, leased or
  operated by Equipe or any of its affiliates.
 
    2.17.4. Equipe has entered into no agreement with any Governmental Entity
  or other Person by which responsibility was assumed for, either directly or
  indirectly, the conduct of any Remedial Action or the incurrence of any
  other Environmental Liabilities and Costs.
 
    2.17.5. Equipe has not prepared, caused to be prepared or received any
  environmental audits, environmental risk assessments or site assessments.
  Equipe is not a party to any Contract with respect to the removal or
  disposal of any Oil or Hazardous Material.
 
As used herein:
 
    (a) "affiliate" shall mean a Person that, directly or indirectly, through
  one or more intermediaries, controls, is controlled by, or is under common
  control with, the first mentioned Person;
 
    (b) "Environment" shall mean all navigable waters, waters of the
  contiguous zone, ocean waters, natural resources, surface waters, ground
  water, drinking water supply, land surface, subsurface strata, ambient air,
  both inside and outside of buildings and structures, and plant and animal
  life on Earth;
 
    (c) "Environmental Laws" shall mean all federal, state, local and foreign
  laws, principles of common law, rules, regulations and codes, as well as
  orders, decrees, judgments or injunctions issued, promulgated, approved or
  entered thereunder relating to pollution, protection of the Environment or
  public health and safety, including the Release or threatened Release of
  Oil or Hazardous Material into the Environment or otherwise relating to
  presence, manufacture, processing, distribution, use, treatment, storage,
  disposal, transport or handling of Oil or Hazardous Material;
 
    (d) "Environmental Liabilities and Costs" shall mean all costs, expenses
  or losses, whether direct or indirect, known or unknown, current or
  potential, past, present or future, arising from, relating to or imposed
  by, under or pursuant to Environmental Laws and in any way based on,
  arising out of or otherwise in respect of (1) the ownership or operation by
  Equipe or any predecessor or affiliate, of the businesses of Equipe or (2)
  the condition or operation of any real property, assets, equipment or
  facilities owned, leased or operated by or related to the businesses of
  Equipe (including, in each case, the disposal or arrangement for the
  disposal of any Oil or Hazardous Material, or other substances or wastes
  On-site or Off-site), including all costs, expenses or losses (A) related
  to Remedial Actions, (B) necessary for compliance with any requirements of
  Environmental Laws and any applicable permits, licenses, approvals or other
  authorizations, (C) necessary to make full economic use of the property,
  assets, equipment and facilities of Equipe (assuming that Equipe's
  properties are operated for substantially the same purpose and at
  substantially the same levels as at the date hereof) and (D) related to
  reasonable fees, disbursements and expenses of counsel and consultants;
 
    (e) "Off-site" shall mean any property of any Person other than those
  properties included within the definition of On-site;
 
                                     A-18
<PAGE>
 
    (f) "Oil or Hazardous Material" shall mean any waste, pollutant,
  hazardous substance, toxic substance, hazardous waste, special waste,
  industrial substance or waste, petroleum or petroleum-derived substance or
  waste, asbestos-containing substance or waste, radioactive material or any
  constituent of any such substance or waste including any such substance
  regulated under or defined by any Environmental Law;
 
    (g) "On-site" shall mean any property owned, leased, or operated by
  Equipe;
 
    (h) "Release" shall mean any release, spill, emission, leaking, pumping,
  injection, deposit, disposal, discharge, dispersal, leaching, migration, or
  movement of Oil or Hazardous Material through the indoor or outdoor
  Environment; and
 
    (i) "Remedial Action" shall mean all actions reasonably necessary,
  whether voluntary or involuntary, to (A) clean up, remove, treat or in any
  other way adjust Oil or Hazardous Material in the indoor or outdoor
  Environment; (B) prevent the Release of Oil or Hazardous Material so that
  they do not migrate or endanger or threaten to endanger public health or
  welfare or the indoor or outdoor Environment; or (C) perform
  investigations, remedial studies, restoration and post-remedial studies and
  monitoring on, in, under, above or about any assets or properties On-site
  or Off-site.
 
  Section 2.18. INSURANCE. Equipe and each of the Related Companies has in
force insurance against such risks and in such amounts as are reasonable and
prudent for a similarly situated corporation engaged in Equipe or such Related
Company's business, as the case may be, and as are required by applicable law.
Equipe has delivered to PRI true and complete copies of all insurance policies
or binders to which Equipe or either of the Related Companies is a party or
under which any of such companies is covered and true and complete copies of
all applications for insurance policies. All insurance policies to which
Equipe or either of the Related Companies is a party or that provide coverage
to Equipe or either of the Related Companies are in full force and effect.
Since January 1, 1995, neither Equipe nor either of the Related Companies has
received any refusal of coverage, or any notice of suspension, revocation,
modification or cancellation or any other indication that any insurance policy
is no longer in full force or effect or that the issuer of any policy is not
willing or able to perform its obligations thereunder or any notice from an
insured to discontinue any coverage afforded to any of such companies and, to
the knowledge of Equipe and each Founder, there is no basis for the issuance
of any such notice or the taking of any such action. Equipe and each of the
Related Companies has paid all premiums due and has otherwise performed all of
its respective obligations under each such policy, except such as will not
adversely affect such company's coverage thereunder. There was no claim in
excess of $5,000 asserted under any of the insurance policies of Equipe or
either of the Related Companies for the period from January 1, 1995 to the
date hereof. Neither Equipe nor either of the Related Companies is party to,
or bound by, any Contract requiring such company (a) to name a third party as
loss payee under any insurance policy or binder held by or on behalf of such
company or otherwise requiring such company to obtain insurance for or on
behalf of any third party or (b) to provide coverage to third parties (such
as, for example, under leases or service agreements). There is no self-
insurance arrangement by or affecting Equipe or either of the Related
Companies.
 
  Section 2.19. EMPLOYEE RELATIONS. Equipe has never been a party to a
collective bargaining agreement and has never made any final or binding offer
to a labor union or association representing its employees with respect to any
terms or conditions of employment. Equipe has never had, nor is there now
threatened, a union organizing effort, strike, picket, organized work
stoppage, organized work slowdown, or other labor trouble that has had, or
could reasonably be expected to have, an Equipe Material Adverse Effect.
Equipe has complied with all applicable laws relating to employment, equal
opportunity, nondiscrimination, immigration, wages, hours, benefits,
collective bargaining, the payment of social security and similar taxes,
occupational safety and health, and plant closings, except where the failure
so to be in compliance would not have an Equipe Material Adverse Effect.
 
  Section 2.20. PROPRIETARY RIGHTS.
 
    2.20.1. Equipe owns, or is licensed or otherwise possesses legally
  enforceable rights to use, all patents, trademarks, trade names, service
  marks, copyrights, and any applications therefor, maskworks, net
 
                                     A-19
<PAGE>
 
  lists, schematics, trade secrets, blueprints, designs, technology, know-
  how, computer software programs or applications (in both source code and
  object code form), and tangible or intangible proprietary information or
  material (excluding Commercial Software, as defined below) that are
  material to the business of Equipe as currently conducted or as proposed to
  be conducted by Equipe (the "Proprietary Rights").
 
    2.20.2. Schedule 2.20 sets forth a complete list of all patents,
  trademarks and registered copyrights, trade names and service marks, and
  any applications therefor, included in the Proprietary Rights, specifying,
  where applicable, the jurisdictions in which each such Proprietary Right
  has been issued or registered or in which an application for such issuance
  and registration has been filed, including the respective registration or
  application numbers and the names of all registered owners. No software
  product marketed by Equipe has been registered for copyright protection
  with the United States Copyright Office or any foreign offices nor has
  Equipe been requested to make any such registration. Equipe has delivered
  to PRI true and complete copies of all material licenses, sublicenses and
  other agreements (excluding End-User Licenses, as defined below) as to
  which Equipe is a party and pursuant to which Equipe or any other person is
  authorized to use any Proprietary Right or other trade secret material to
  Equipe. Equipe is not in Violation of any such license, sublicense or
  agreement except for such Violations that do not, in the aggregate,
  materially impair Equipe's rights under such license, sublicense or
  agreement. Equipe is the exclusive owner or the licensee of, with all
  right, title and interest in and to (free and clear of any and all
  Encumbrances), the Proprietary Rights, and has exclusive rights (and is not
  contractually obligated to pay any compensation to any third party in
  respect thereof) to the use thereof or the material covered thereby in
  connection with the services or products in respect of which the
  Proprietary Rights are being used. No claims with respect to the
  Proprietary Rights have been asserted or, to the knowledge of Equipe, are
  threatened by any person (a) to the effect that the business of Equipe as
  currently conducted or as proposed to be conducted by Equipe, including
  Equipe's design, development, use, import, manufacture and sale of the
  products, technology (including products or technology currently under
  development) or services of Equipe, infringes on or misappropriates any
  copyright, patent, trademark, service mark, trade secret or other
  proprietary rights of any other Person or constitutes unfair competition or
  trade practices under any Law, (b) against the use by Equipe of any
  trademarks, service marks, trade names, trade secrets, copyrights, patents,
  technology, know-how or computer software programs and applications used in
  Equipe's business as currently conducted or as proposed to be conducted by
  Equipe, or (c) challenging the ownership by Equipe, validity or
  effectiveness of any of the Proprietary Rights. All registered trademarks,
  service marks and copyrights included in the Proprietary Rights are valid
  and subsisting, all necessary registration, maintenance and renewal fees in
  connection with such Proprietary Rights have been paid and all necessary
  documents and certificates in connection with such Proprietary Rights have
  been filed with the relevant Governmental Entities for the purposes of
  maintaining such Proprietary Right. There has been, to the knowledge of
  Equipe and the Founders, no material unauthorized use, infringement or
  misappropriation of any of the Proprietary Rights by any third party,
  including any employee or former employee of Equipe. No Proprietary Right
  or product of Equipe is subject to any outstanding decree, order, judgment,
  or stipulation restricting in any manner the licensing thereof by Equipe.
  There are no Contracts between Equipe and any other Person with respect to
  Proprietary Rights under which there is any dispute known to Equipe
  regarding the scope of such Contract, or performance under such Contract,
  including with respect to any payments to be made or received by Equipe
  thereunder.
 
    2.20.3. To the extent that any Proprietary Rights have been developed or
  created by a third party for which Equipe has, directly or indirectly,
  paid, Equipe has a written agreement with such third party with respect
  thereto and Equipe thereby has obtained valid ownership of or rights
  sufficient for the conduct of Equipe's business to all such Proprietary
  Rights by operation of law or by valid assignment or license. Each
  employee, officer and consultant of Equipe, and, to the knowledge of Equipe
  and the Founders, each employee, officer and consultant of each of the
  Related Companies, has executed a confidentiality agreement in
  substantially the form provided to PRI, providing Equipe with title and
  ownership to Proprietary Rights developed or used by Equipe in its
  business. To the knowledge of Equipe and the Founders, no employee, officer
  or consultant of Equipe is in violation of any term of any employment or
  consulting contract, proprietary information and inventions agreement, non-
  competition agreement, or any other contract or
 
                                     A-20
<PAGE>
 
  agreement relating to the relationship of any such employee, officer or
  consultant with Equipe or any previous employer.
 
As used herein:
 
    (a) "Commercial Software" means packaged commercially available software
  programs generally available to the public through retail dealers in
  computer software which have been licensed to Equipe pursuant to End-User
  Licenses and which are used in Equipe's business but are in no way a
  component of or incorporated in or specifically required to develop or
  support any of Equipe's products and related trademarks, technology and
  know-how; and
 
    (b) "End-User Licenses" means any object code and end-user licenses
  granted to end-users in the ordinary course of business that permit use of
  software products without a right to modify, distribute or sublicense the
  same.
 
  Section 2.21. CERTAIN LOANS. There are no loans, receivables, advances or
similar amounts owed to Equipe by any director, officer, employee, consultant
or stockholder of Equipe, or owing by any affiliate of any director or officer
of Equipe, nor is any amount owed by Equipe to any of its directors, officers,
employees or stockholders other than normal compensation and advances in the
ordinary course of business to officers and employees for reimbursable
business expenses not exceeding $1,000 for any one individual.
 
  Section 2.22. CUSTOMERS, SUPPLIERS, SALES AGENTS AND DISTRIBUTORS. Equipe
has provided to PRI a true and complete summary listing (a) the twenty largest
customers and vendors of Equipe (by dollar volume of purchases) for the year
ended December 31, 1996, and (b) each sales agent and each distributor of
Equipe, if any, not identified in a Contract listed in Schedule 2.10, together
with the territory and term of engagement of each such agent and distributor.
The relationships of Equipe with its suppliers, customers, sales agents and
distributors are good commercial working relationships, and no material
customer, supplier, sales agent or distributor of Equipe has canceled or
otherwise terminated, or threatened in writing to cancel or otherwise
terminate, its relationship with Equipe since January 1, 1997.
 
  Section 2.23. BUSINESS ACTIVITY RESTRICTIONS. There is no agreement
(noncompetition or otherwise), commitment, judgment, injunction, order or
decree to which Equipe or any officer, employee or consultant of Equipe is a
party or that otherwise is binding upon Equipe or such officer, employee or
consultant that has or reasonably could be expected to have the effect of
prohibiting or impairing any business practice of Equipe, any acquisition of
property (tangible or intangible) by Equipe or the conduct of business by
Equipe. Equipe has not entered into any agreement under which Equipe is
restricted from selling, licensing or otherwise distributing any of its
technology or products to, or providing services to, customers or potential
customers or any class of customers, in any geographic area, during any period
of time or in any segment of the market or line of business.
 
                   ARTICLE 3. REPRESENTATIONS AND WARRANTIES
            OF EQUIPE AND FOUNDERS REGARDING THE RELATED COMPANIES
 
  Equipe and each of the Founders, jointly and severally, represent and
warrant to PRI and Acquisition Corp. as follows:
 
  Section 3.1. CORPORATE STATUS. Each of the Related Companies (to the extent,
in the case of Equipe Japan, that the following concepts are recognized under
the laws of Japan), is a corporation duly incorporated, validly existing and
in good standing under the laws of the jurisdiction of its incorporation, with
all requisite corporate power to own, lease and operate its properties and to
carry on its business as now being conducted. None of the Related Companies is
qualified to do business as a foreign corporation in any jurisdiction other
than the jurisdiction of its incorporation and the failure to be so qualified
does not and will not have an Equipe Material Adverse Effect.
 
                                     A-21
<PAGE>
 
  Section 3.2. CORPORATE DOCUMENTS. Equipe has delivered to PRI true and
complete copies of the charter documents, as amended to date, and the bylaws,
as amended to date, of each of the Related Companies. Such charter documents
and such bylaws are all in full force and effect, and, except as contemplated
hereby, no further amendment or restatement thereof has been adopted or
proposed. None of the Related Companies is in violation of any provision of
its charter or bylaws. The minute books and stock records of each of the
Related Companies, copies of which have heretofore delivered to PRI, are true
and complete and are the only minute books and stock records of each of the
Related Companies. Schedule 3.2 sets forth the current directors and officers
of each of the Related Companies.
 
 
  Section 3.3. CAPITAL STRUCTURE. The authorized capital stock of E-Machine
consists of 1,000,000 shares of common stock, of which 833,333 shares are
outstanding as of the date hereof. The authorized capital stock of Equipe
Japan consists of 4,000 shares, (Yen)50,000 par value, of which 1,000 shares
are outstanding as of the date hereof. No shares of capital stock of either of
the Related Companies are held as treasury stock. The name of each holder of
capital stock of each of the Related Companies and the number of shares and
class of capital stock owned of record by each such holder as of the date
hereof are set forth on Schedule 3.3. All shares of capital stock of each of
the Related Companies issued and outstanding as of the date hereof are duly
authorized, validly issued, fully paid and nonassessable and not subject to
preemptive rights created by statute, the charter documents or bylaws of such
Related Company or any agreement to which such Related Company is a party or
is bound. No options to purchase capital stock of either Related Company have
been issued or are outstanding. None of the Related Companies and none of the
stockholders of the Related Companies is a party to or bound by: (a) any
option, warrant, call, right or agreement obligating either of the Related
Companies to issue, deliver or sell additional shares of capital stock or to
grant or modify any such option, warrant, call, right or agreement; (b) any
option, warrant, call, right or agreement obligating any stockholder of either
of the Related Companies, in any circumstances, to deliver or sell, or offer
for delivery or sale, any shares of capital stock, including any agreement
containing provisions with respect to preemptive rights, rights of first
refusal, purchase rights, "tag-along" or "come-along" arrangements, or similar
rights; (c) any voting trust, proxy or other agreement or understanding with
respect to the voting of shares of capital stock of either of the Related
Companies; and (d) any other agreement restricting the transfer of, or
affecting rights with respect to, shares of the capital stock of either of the
Related Companies.
 
  Section 3.4. AUTHORITY; NONCONTRAVENTION.
 
    3.4.1. Each stockholder of a Related Company has all requisite corporate
  power to execute and deliver the Related Company Acquisition Agreement to
  which he is a party and to consummate the transactions contemplated hereby
  and thereby. Each of the Related Company Acquisition Agreements has been
  duly and validly executed and delivered by each stockholder of such Related
  Company and constitutes a legal, valid and binding obligation of such
  stockholder enforceable in accordance with its terms, all as may be subject
  to or affected by the Creditor Exception.
 
    3.4.2. The execution and delivery of the Related Company Acquisition
  Agreements do not, and the consummation of the transactions contemplated
  hereby and thereby will not, result in any Violation of any provision of
  (a) the charter documents, as amended to date, or the bylaws, as amended to
  date, of the respective Related Companies or (b) any loan or credit
  agreement, note, mortgage, indenture, lease, employee benefit plan, other
  agreement, obligation, instrument, permit, concession, franchise, license,
  judgment, order, decree, statute, law, ordinance, rule or regulation
  applicable to either of the Related Companies or any stockholder of such
  Related Company or to the properties or assets of any of them. No consent,
  approval, order or authorization of, or registration, declaration or filing
  with, any Governmental Entity is required by or with respect to either of
  the Related Companies or any stockholder of such Related Company in
  connection with the execution and delivery of the Related Company
  Acquisition Agreements or the consummation of the transactions contemplated
  hereby and thereby.
 
                                     A-22
<PAGE>
 
  Section 3.5. INVESTMENTS. None of the Related Companies directly or
indirectly owns, or has the right to acquire, any equity interest or
investment in the equity capital of any Person (as defined below). None of the
Related Companies has any obligation to acquire any class of securities
(including debt securities) issued by any Person. None of the Related
Companies has owned or controlled any subsidiary corporation or any stock or
other interest in any Person. None of the Related Companies is a party to, or
has been a party to, or bound by any partnership, joint venture, voluntary
association, cooperative or business trust agreement.
 
  Section 3.6. RELATED COMPANY FINANCIAL STATEMENTS.
 
    3.6.1 E-MACHINE. The unaudited balance sheets of E-Machine at September
  30, 1997 and December 31, 1996 and 1995, and the related unaudited income
  statements of E-Machine for the nine-month period ended September 30, 1997
  and the two-year period ended December 31, 1996, attached as Schedule 3.6.1
  hereto, fairly present, in all material respects, the financial position
  and results of operations of E-Machine at the dates and for the periods
  stated therein.
 
    3.6.2 EQUIPE JAPAN. The unaudited balance sheets of Equipe Japan at
  September 30, 1997 and December 31, 1996 and the related unaudited income
  statements of Equipe Japan for the nine-month and one-year period then
  ended, respectively, attached as Schedule 3.6.2 hereto, fairly present, in
  all material respects, the financial position and results of operations of
  Equipe Japan at the dates and for the period stated therein.
 
     ARTICLE 4. ADDITIONAL REPRESENTATIONS AND WARRANTIES OF THE FOUNDERS
 
  Each Founder, severally and not jointly, represents, warrants and covenants
to PRI as follows:
 
  Section 4.1. OWNERSHIP OF EQUIPE COMMON. Such Founder has good and
marketable title to the shares of Equipe Common owned by such Founder as shown
on Schedule 2.3, free and clear of any and all Encumbrances.
 
  Section 4.2. AUTHORITY. Such Founder has all requisite right to enter into
this Agreement, each of the Registration Rights Agreement and such Founder's
Irrevocable Proxy (as defined in Section 9.2.4), and any Affiliate's Agreement
and any Employment Agreement to which such Founder is to be a party (each as
defined herein and collectively "such Founder's Corollary Agreements") and to
consummate the transactions contemplated hereby and thereby. This Agreement
has been duly and validly executed and delivered by such Founder and, assuming
the due and valid execution and delivery of this Agreement by the other
parties hereto, constitutes a legal, valid and binding obligation of such
Founder enforceable in accordance with its terms, all as may be subject to or
affected by the Creditor Exception. As of the Closing Date, each of such
Founder's Corollary Agreements will be duly and validly executed and delivered
by such Founder and will constitute a legal, valid and binding obligation of
such Founder enforceable in accordance with its terms, all as may be subject
to or affected by the Creditor Exception. The execution and delivery of this
Agreement do not, and the execution of such Founder's Corollary Agreements and
the consummation of the transactions contemplated hereby and thereby will not,
result in any Violation of any provision of any loan or credit agreement,
note, mortgage, indenture, lease, employee benefit plan, other agreement,
obligation, instrument, permit, concession, franchise, license, judgment,
order, decree, statute, law, ordinance, rule or regulation applicable to such
Founder or the properties or assets of such Founder.
 
  Section 4.3. INVESTMENT IN PRI COMMON.
 
    4.3.1. Such Founder is an accredited investor as defined in Rule 501
  under the Securities Act of 1933, as amended (the "Securities Act"). Such
  Founder (together with such Founder's financial and other advisors, if any)
  has such knowledge and expertise in financial and business matters that
  such Founder is capable of evaluating the merits and risks of the exchange
  of such Founder's shares of Equipe Common for
 
                                     A-23
<PAGE>
 
  shares of PRI Common pursuant to this Agreement and of protecting such
  Founder's interests in connection therewith. Such Founder has the ability
  to bear the economic risk of the investment in PRI Common.
 
    4.3.2. Such Founder has reviewed a copy of the SEC Documents, as defined
  in Section 5.4, and has had an opportunity to discuss PRI's business,
  management and financial affairs with PRI's management.
 
    4.3.3. Such Founder is acquiring shares of PRI Common for such Founder's
  own account and not with a view to, or for resale in connection with, any
  distribution thereof in violation of applicable law, and such Founder has
  no present intention of selling, granting any participation in, or
  otherwise distributing the same in violation of applicable law. Such
  Founder understands that the shares of PRI Common to be received by such
  Founder pursuant to this Agreement have not been registered under the
  Securities Act by reason of a specific exemption from the registration
  provisions of the Securities Act that depends upon, among other things, the
  bona fide nature of such Founder's investment intent and the accuracy of
  such Founder's representations, warranties and covenants as expressed
  herein. Such Founder understands that the shares of PRI Common to be
  received by such Founder pursuant to this Agreement are characterized as
  "restricted securities" under the Securities Act inasmuch as they are being
  acquired from PRI in a transaction not involving a public offering and that
  under such laws and applicable regulations such shares may be resold
  without registration under the Securities Act only in certain limited
  circumstances. Such Founder acknowledges that the shares of PRI Common must
  be held indefinitely unless subsequently registered under the Securities
  Act (pursuant to the Registration Rights Agreement referred to below or
  otherwise) or an exemption from such registration is available. Such
  Founder is aware of the provisions of Rule 144 under the Securities Act
  which permit limited resale of shares purchased in a private placement
  subject to the satisfaction of certain conditions, including the existence
  of a public market for the shares, the availability of certain current
  public information about the Company, the resale occurring not less than
  two years after a party has purchased and paid for the security to be sold,
  the sale being effected through a "broker's transaction" or in transactions
  directly with a "market maker" (as provided by Rule 144(f) under the
  Securities Act) and the number of shares being sold during any three-month
  period not exceeding specified limitations.
 
    4.3.4. It is understood that each certificate representing shares of PRI
  Common received by such Founder pursuant to this Agreement shall bear a
  legend substantially to the following effect (in addition to any legend
  required under applicable state securities laws):
 
    "THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
    1933. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED OR HYPOTHECATED
    IN THE ABSENCE OF A REGISTRATION STATEMENT IN EFFECT WITH RESPECT TO
    THE SECURITIES UNDER SUCH ACT OR AN OPINION OF COUNSEL SATISFACTORY TO
    THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED."
 
  Section 4.4. GOVERNMENT CONSENTS. No consent, approval, order or
authorization of, or registration, declaration or filing with any Governmental
Entity is required by or with respect to such Founder in connection with the
execution and delivery of this Agreement or such Founder's Corollary
Agreements or the consummation of the transactions contemplated hereby or
thereby.
 
  Section 4.5. FINDER'S FEES. Such Founder has not incurred any liability,
contingent or otherwise, for brokerage fees, finder's fees, agent's
commissions, financial advisory fees or other similar forms of compensation in
connection with this Agreement or any of the transactions contemplated hereby.
 
                                     A-24
<PAGE>
 
    ARTICLE 5. REPRESENTATIONS AND WARRANTIES OF PRI AND ACQUISITION CORP.
 
  Each of PRI and Acquisition Corp., jointly and severally, represents and
warrants to Equipe as follows:
 
  Section 5.1. CORPORATE STATUS. PRI is a corporation duly incorporated,
validly existing and in good standing under the laws of the Commonwealth of
Massachusetts, and Acquisition Corp. is a corporation duly incorporated,
validly existing and in good standing under the laws of the State of
California. Each of PRI and Acquisition Corp. has all requisite corporate
power to own, lease and operate its properties and to carry on its business as
now being conducted. Each of PRI and Acquisition Corp. is duly qualified to do
business as a foreign corporation, and is in good standing, in each other
jurisdiction in which it owns or leases property or conducts business, except
where the failure to be so qualified does not have any effect that is, or is
reasonably likely to be, materially adverse to the business, results of
operations or financial condition of PRI and its subsidiaries, taken as a
whole, other than such effects resulting from (i) general economic changes
affecting the semiconductor capital equipment industry in general or (ii) this
Agreement or the transactions contemplated hereby or the announcement hereof
(a "PRI Material Adverse Effect").
 
  Section 5.2. CAPITAL STRUCTURE.
 
    5.2.1. The authorized and outstanding capital stock of PRI consists of
  (a) 400,000 shares of preferred stock, $.01 par value, none of which is
  issued and outstanding, and (b) 24,000,000 shares of PRI Common, of which
  14,570,920 shares were issued and outstanding as of June 29, 1997. All of
  the outstanding shares of PRI Common are, and the shares of PRI Common when
  issued and delivered to the Holders in accordance with this Agreement will
  be, duly authorized, validly issued, fully paid and nonassessable and not
  subject to preemptive rights created by statute, PRI's articles of
  organization or bylaws, or any agreement to which PRI is a party or is
  bound. All outstanding shares of PRI Common are listed on the Nasdaq
  National Market, and there are no proceedings to revoke or suspend such
  listing.
 
    5.2.2. The authorized capital stock of Acquisition Corp. consists of
  1,000 shares of common stock, $.01 par value, all of which are outstanding
  and held by PRI of record and beneficially.
 
  Section 5.3. AUTHORITY.
 
    5.3.1. PRI has all requisite corporate power to execute and deliver this
  Agreement and the Registration Rights Agreement and Employment Agreements
  (collectively the "PRI Corollary Agreements") and to consummate the
  transactions contemplated hereby and thereby. The execution and delivery of
  this Agreement and the PRI Corollary Agreements, and the consummation of
  the transactions contemplated hereby and thereby, have been duly and
  validly authorized by all requisite corporate action on the part of PRI,
  and no other corporate proceedings on the part of PRI are necessary to
  authorize the execution and delivery of this Agreement or any of the PRI
  Corollary Agreements or to consummate the transactions contemplated hereby
  and thereby. The board of directors of PRI has unanimously approved the
  Merger and this Agreement. This Agreement has been duly and validly
  executed and delivered by PRI and, assuming the due and valid execution and
  delivery of this Agreement by the other parties hereto, constitutes a
  legal, valid and binding obligation of PRI enforceable in accordance with
  its terms, all as may be subject to or affected by the Creditor Exception.
  As of the Closing Date, each of the PRI Corollary Agreements will be duly
  and validly executed and delivered by PRI and will constitute a legal,
  valid and binding obligation of PRI enforceable in accordance with its
  terms, all as may be subject to or affected by the Creditor Exception. The
  execution and delivery of this Agreement do not, and the execution and
  delivery of the PRI Corollary Agreements and the consummation of the
  transactions contemplated hereby and thereby will not, result in any
  Violation of any provision of (a) the articles of organization or bylaws of
  PRI or (b) any loan or credit agreement, note, mortgage, indenture, lease,
  employee benefit plan, other agreement, obligation, instrument, permit,
  concession, franchise, license, judgment, order, decree, statute, law,
  ordinance, rule or regulation applicable to PRI or its properties or
  assets, other than Violations that do not and will not, individually or in
  the aggregate, have a PRI Material Adverse Effect.
 
 
                                     A-25
<PAGE>
 
    5.3.2. Acquisition Corp. has all requisite corporate power to execute and
  deliver this Agreement and to cause its officers to execute and deliver the
  Officers' Certificate of Acquisition Corp. and to consummate the
  transactions contemplated hereby and thereby. The execution and delivery of
  this Agreement and the Officers' Certificate of Acquisition Corp., and the
  consummation of the transactions contemplated hereby and thereby, have been
  duly and validly authorized by all requisite corporate action on the part
  of Acquisition Corp., and no other corporate proceedings on the part of
  Acquisition Corp. are necessary to authorize the execution and delivery of
  this Agreement or the Officers' Certificate of Acquisition Corp. or to
  consummate the transactions contemplated hereby and thereby. The board of
  directors and sole stockholder of Acquisition Corp. have unanimously
  approved the Merger and this Agreement, subject to the approval of the
  stockholders of PRI. This Agreement has been duly and validly executed and
  delivered by Acquisition Corp., and this Agreement constitutes a legal,
  valid and binding obligation of Acquisition Corp. enforceable in accordance
  with its terms, all as may be subject to or affected by the Creditor
  Exception. As of the Closing Date, the Officers' Certificate of Acquisition
  Corp. will be duly and validly executed and delivered by Acquisition Corp.
  and will constitute a legal, valid and binding obligation of PRI
  enforceable in accordance with its terms, all as may be subject to or
  affected by the Creditor Exception. The execution and delivery of this
  Agreement do not, and the execution and delivery of the Officers'
  Certificate of Acquisition Corp. and the consummation of the transactions
  contemplated hereby and thereby will not, result in any Violation of any
  provision of (a) the articles of incorporation or bylaws of Acquisition
  Corp. or (b) any loan or credit agreement, note, mortgage, indenture,
  lease, employee benefit plan, other agreement, obligation, instrument,
  permit, concession, franchise, license, judgment, order, decree, statute,
  law, ordinance, rule or regulation applicable to Acquisition Corp. or its
  properties or assets, other than Violations that do not and will not,
  individually or in the aggregate, have a PRI Material Adverse Effect.
 
    5.3.3. No consent, approval, order or authorization of, or registration,
  declaration or filing with any Governmental Entity is required by or with
  respect to PRI or Acquisition Corp. in connection with the execution and
  delivery of this Agreement by PRI and Acquisition Corp. or the consummation
  of the transactions contemplated hereby, except for (a) the filing of the
  Certificate of Satisfaction, a copy of this Agreement and the executed
  original Officers' Certificates with the Secretary of State of the State of
  California, (b) such other filings, consents, approvals, orders,
  authorizations, registrations and declarations as may be required under
  applicable federal and state securities laws (collectively "Securities
  Filings"), which Securities Filings will be made by the Effective Time or
  as soon thereafter as required by applicable law, (c) the filing of such
  reports under the Securities Exchange Act of 1934, as amended (the
  "Exchange Act"), as may be required in connection with this Agreement and
  the transactions contemplated hereby, and (d) such other consents,
  authorizations, filings, approvals and registrations that if not obtained
  or made would not have a PRI Material Adverse Effect or a material adverse
  effect on the transactions contemplated by this Agreement.
 
  Section 5.4. SEC DOCUMENTS. PRI has furnished to Equipe true and complete
copies of PRI's Annual Report on Form 10-K, as amended, for the fiscal year
ended September 30, 1996, the definitive proxy statements for the annual
meeting of stockholders of PRI held on February 7, 1997 and the special
meeting of stockholders of PRI held on April 22, 1997 and its Quarterly
Reports on Form 10-Q for the fiscal quarters ended December 29, 1996, March
30, 1997 and June 29, 1997 (collectively, the "SEC Documents"). As of their
respective filing dates, (a) each of the SEC Documents complied in all
material respects with the requirements of the Exchange Act and (b) none of
the SEC Documents contained any untrue statement of a material fact or omitted
to state a material fact required to be stated therein or necessary in order
to make the statements made therein, in light of the circumstances under which
they were made, not misleading. The consolidated financial statements and
notes thereto of PRI included in the SEC Documents have been prepared in
accordance with GAAP, applied on a consistent basis throughout the periods
involved (except that the unaudited financial statements do not contain all
the notes that may be required by GAAP and are subject to normal and recurring
year-end adjustments that are not expected to be material in amount), and
fairly present in all material respects the consolidated financial position of
PRI and its subsidiaries as at the dates thereof and their consolidated
results of operations and cash flows for the periods covered therein.
 
                                     A-26
<PAGE>
 
  Section 5.5. ABSENCE OF CERTAIN EVENTS AND UNDISCLOSED LIABILITIES. Since
June 29, 1997, (a) PRI has not declared or paid any dividend or other
distribution (whether in cash, stock or property or any combination thereof)
in respect of the capital stock of PRI, (b) there has been no PRI Material
Adverse Effect, (c) neither the business, properties nor assets of PRI have
suffered a material adverse loss (whether or not covered by insurance) as the
result of fire, explosion, earthquake, accident, labor trouble, condemnation
or taking of property by any Governmental Entity, flood, windstorm,
pestilence, embargo, riot, act of God or the public enemy or any other
casualty or similar event, (d) PRI has not materially changed any of its
accounting methods, principles or procedures, and (e) PRI has not entered into
any agreement to do any of the foregoing. PRI has no liabilities, asserted
liabilities or obligations of any nature, whether absolute, accrued,
contingent or otherwise, other than (a) those disclosed or reflected in the
SEC Documents or disclosed in accordance with this Agreement, (b) those
incurred since June 29, 1997 in the ordinary course of PRI's business
consistent with past practice, and (c) liabilities or obligations that are not
material, individually or in the aggregate, or that are not required under
GAAP to be disclosed or reflected in the financial statements which are
included in the SEC Documents.
 
  Section 5.6. LITIGATION. Except as disclosed in the SEC Documents, there is
no claim, dispute, action, suit, appeal, legal, administrative or arbitral
proceeding, or investigation, at law or in equity, pending against PRI, or
involving any of its assets or properties, before any court, agency,
authority, arbitration panel or other tribunal, and, to the knowledge of PRI,
none has been threatened, in each case that could be reasonably expected to
have a PRI Material Adverse Effect. No judgment has been entered by, and no
claim, dispute, action, suit, appeal, legal, administrative or arbitral
proceeding, or investigation, at law or in equity, is pending or, to the
knowledge of PRI or Acquisition Corp., threatened that materially and
adversely affects, or could materially and adversely affect, the ability of
PRI or Acquisition Corp. to perform under this Agreement or that seeks to
enjoin or prohibit any of the transactions contemplated by this Agreement.
 
  Section 5.7. COMPLIANCE WITH APPLICABLE LAWS. The business of PRI is not
being conducted in violation of or conflict with any Law, except such
violations or conflicts as do not and will not, individually or in the
aggregate, have a PRI Material Adverse Effect. As of the date of this
Agreement, no investigation or review by any Governmental Entity with respect
to PRI is pending or, to the knowledge of PRI, threatened.
 
  Section 5.8. TAXES. PRI has timely filed in accordance with applicable law
all Tax Returns required to be filed by or with respect to it, its operations
and assets other than Tax Returns the failure to file which would not cause a
PRI Material Adverse Effect. All Taxes shown as due on such Tax Returns have
been paid. All Tax Returns filed by PRI with respect to Taxes were prepared in
compliance with all applicable laws and regulations, other than such
noncompliance as would not cause a PRI Material Adverse Effect, and were true
and complete in all material respects as of the date on which they were filed
or as subsequently amended to the date hereof.
 
  Section 5.9. PROPRIETARY RIGHTS.
 
    5.9.1. PRI owns, or is licensed or otherwise possesses legally
  enforceable rights to use, all patents, trademarks, trade names, service
  marks, copyrights, and any applications therefor, maskworks, net lists,
  schematics, trade secrets, blueprints, designs, technology, know-how,
  computer software programs or applications (in both source code and object
  code form), and tangible or intangible proprietary information or material
  (excluding Commercial Software, as defined in Section 2.20 above) that are
  material to the business of PRI as currently conducted or as proposed to be
  conducted by PRI (the "PRI Proprietary Rights").
 
    5.9.2. PRI is not in Violation of any license, sublicense or agreement as
  to which PRI is a party and pursuant to which PRI or any other person is
  authorized to use any PRI Proprietary Right except for such Violations that
  do not, in the aggregate, materially impair PRI's rights under such
  license, sublicense or agreement. Except as disclosed in the SEC Documents,
  no claims with respect to the PRI Proprietary Rights have been asserted or,
  to the knowledge of PRI, are threatened by any person (a) to the effect
  that the business of PRI as currently conducted or as proposed to be
  conducted by PRI, including PRI's design, development, use, import,
  manufacture and sale of the products, technology (including products or
  technology currently under development) or services of PRI, infringes on or
  misappropriates any copyright,
 
                                     A-27
<PAGE>
 
  patent, trademark, service mark, trade secret or other proprietary rights
  of any other Person or constitutes unfair competition or trade practices
  under any Law, (b) against the use by PRI of any trademarks, service marks,
  trade names, trade secrets, copyrights, patents, technology, know-how or
  computer software programs and applications used in PRI's business as
  currently conducted or as proposed to be conducted by PRI, or (c)
  challenging the ownership by PRI, validity or effectiveness of any of the
  PRI Proprietary Rights.
 
  Section 5.10. FINDER'S FEES. Neither PRI nor Acquisition Corp. has incurred
any liability, contingent or otherwise, for brokerage fees, finder's fees,
agent's commissions, financial advisory fees or other similar forms of
compensation in connection with this Agreement or any of the transactions
contemplated hereby, other than as described in PRI's engagement letter with
Morgan Stanley & Co. Incorporated dated October 21, 1997, a copy of which has
been provided to Equipe.
 
           ARTICLE 6. COVENANTS OF EQUIPE AS TO CONDUCT OF BUSINESS
 
  During the period from the date of this Agreement and continuing until the
Closing, Equipe agrees, and each Founder agrees to take such action as may be
necessary to cause Equipe to agree, that, except as expressly contemplated by
this Agreement (including those actions necessary to effect the Related
Company Acquisitions) or as consented to by PRI in writing:
 
  Section 6.1. ORDINARY COURSE. Equipe shall carry on its business in the
ordinary course consistent with prior practice, including the payment of all
debts and taxes owed by Equipe in substantially the same manner as heretofore.
 
  Section 6.2. CORPORATE DOCUMENTS. Equipe shall not amend the Equipe Charter
or the Equipe Bylaws.
 
  Section 6.3. CAPITAL STRUCTURE. Equipe shall not (a) declare or pay any
dividend or other distribution (whether in cash, stock or property or any
combination thereof) in respect of Equipe Common, (b) issue, deliver or sell,
or authorize the issuance, delivery or sale of, any shares of capital stock of
any class, or any options, warrants, calls, rights or agreements that obligate
Equipe to issue, deliver or sell additional shares of Equipe Common or to
grant, extend or enter into any such option, warrant, call, right or
agreement, (c) split, combine or reclassify any of the Equipe Common, or (d)
purchase, redeem or otherwise acquire, directly or indirectly, any shares of
Equipe Common. Notwithstanding the foregoing, each of Equipe and E-Machine
shall be entitled, prior to the Closing, to make a distribution or
distributions to its stockholders in such amount or amounts as, when added to
prior distributions, if any, made by such entity to such stockholders between
January 1, 1997 and the Closing, will not exceed the aggregate state and
federal income tax obligations of such stockholders in respect of the income
of such entity from January 1, 1997 through the end of the tax year ending on
the date of the Closing, as estimated in good faith by Equipe and its
independent accountants (the "Current Year Taxes"). Each such stockholder
shall furnish to Equipe, promptly after their filing with the appropriate tax
authorities, copies of his final state and federal income tax returns for 1997
and any subsequent tax year ending on the date of the Closing. If the
aggregate amount of the distributions made to any such stockholder by Equipe
or E-Machine since January 1, 1997 exceeds such stockholder's Current Year
Taxes attributable to such entity, the amount of such excess shall be refunded
by such stockholder to Equipe within ten business days of his filing of the
last such return.
 
  Section 6.4. COMPLIANCE WITH APPLICABLE LAWS. Equipe shall duly comply in
all material respects with all applicable laws, ordinances and regulations and
all applicable orders, judgments, injunctions, awards and decrees of
Governmental Entities.
 
  Section 6.5. INVESTMENTS AND ACQUISITIONS. Equipe shall not (a) acquire any
equity interest or investment exceeding five percent of the equity capital of
any Person, (b) acquire by merging or consolidating with, by purchasing a
substantial portion of the assets of, or by any other manner, any Person, (c)
otherwise acquire or license any assets that are material, individually or in
the aggregate, to Equipe except in the ordinary course of business consistent
with prior practice or (d) enter into any partnership, joint venture,
voluntary
 
                                     A-28
<PAGE>
 
association, cooperative or business trust agreement or arrangement, other
than in the ordinary course of business consistent with prior practice.
 
  Section 6.6. INDEBTEDNESS. Equipe shall not, and shall not propose to, incur
any Indebtedness for borrowed money, incur any other Indebtedness except in
the ordinary course of business, or guarantee any Indebtedness of others.
Equipe shall not pay, discharge or satisfy, in an amount in excess of $50,000
(in the aggregate), any claims, liabilities or obligations reflected or
reserved against in the 1997 Balance Sheet except in the ordinary course of
business consistent with past practice.
 
  Section 6.7. LITIGATION. Equipe shall not commence any litigation. Equipe
shall cooperate and consult with PRI with respect to all matters regarding any
proceeding set forth on any Schedule relating to Section 2.8 of this
Agreement, including any settlement proposed by any Person (including PRI),
and Equipe shall not take any significant actions with respect to such
proceedings (including the entering into of any such settlement) without the
prior approval of PRI, which approval shall not be unreasonably withheld.
 
  Section 6.8. PROPERTIES. Equipe shall not lease or otherwise dispose of any
of its property, individually or in the aggregate, except in the ordinary
course of business consistent with prior practice.
 
  Section 6.9. CONTRACTS. Equipe shall not (a) enter into any Contract or
engage in any transaction not in the ordinary course of business consistent
with past practice, (b) amend or otherwise modify any Contract pursuant to
which any other party is granted marketing, distribution or similar rights of
any type or scope with respect to any products of Equipe, (c) amend or
otherwise modify any Contract except in the ordinary course of business
consistent with past practice, or (d) do or omit to do any act or permit any
act or omission to act, which act or omission will result in a Violation of
any material provision of any material Contract.
 
  Section 6.10. TAXES. Equipe shall not make or change any material election
in respect of Taxes, adopt or change any accounting method in respect of
Taxes, enter into any closing agreement, settle any claim or assessment in
respect of Taxes, or consent to any extension or waiver of the limitation
period applicable to any claim or assessment in respect of Taxes.
 
  Section 6.11. BENEFIT PLANS. Equipe shall not adopt any Benefit Plan or
amend any Benefit Plan in any material respect.
 
  Section 6.12. INSURANCE. Equipe shall maintain insurance of the types, in
the amounts and with deductibles and exclusions consistent with past business
practice.
 
  Section 6.13. EMPLOYEE MATTERS. Equipe shall not (a) adopt any collective
bargaining agreement, (b) grant any severance or termination pay to any
director, officer or other employee of Equipe, (c) grant any general or
uniform increase in the rates of pay of employees of Equipe or in the benefits
under any bonus plan or other compensation arrangements or (d) increase the
compensation payable or to become payable to any officer or key salaried
employee.
 
  Section 6.14. PROPRIETARY RIGHTS. Equipe shall not transfer to any Person
any rights to Proprietary Rights, except in the ordinary course of business
consistent with past practice.
 
  Section 6.15. GENERAL. Neither Equipe nor any Founder shall take, propose to
take, or agree in writing or otherwise to take any of the actions described in
Sections 6.1 through 6.14 or any other action that would prevent Equipe or any
Founder from performing, or cause Equipe or any Founder not to perform, its
covenants and other obligations hereunder.
 
 
                                     A-29
<PAGE>
 
             ARTICLE 7. COVENANTS OF PRI AS TO CONDUCT OF BUSINESS
 
  During the period from the date of this Agreement and continuing until the
Closing, PRI agrees that, except as expressly contemplated by this Agreement
(including those actions necessary to effect the Related Company Acquisitions)
or as consented to by Equipe in writing:
 
  Section 7.1. ORDINARY COURSE. PRI shall carry on its business in the
ordinary course consistent with prior practice, including the payment of all
debts and taxes owed by PRI in substantially the same manner as heretofore.
 
  Section 7.2. CORPORATE DOCUMENTS. PRI shall not amend its articles of
organization or its bylaws; provided, however, that PRI may amend its articles
of organization to increase the number of shares of PRI Common that PRI is
authorized to issue.
 
  Section 7.3. CAPITAL STRUCTURE. PRI shall not (a) declare or pay any
dividend or other distribution (whether in cash, stock or property or any
combination thereof) in respect of PRI, (b) issue, deliver or sell, or
authorize the issuance, delivery or sale of, any shares of capital stock of
any class, or any options, warrants, calls, rights or agreements that obligate
PRI to issue, deliver or sell additional shares of PRI Common, or to grant,
extend or enter into any such option, warrant, call, right or agreement, other
than in the ordinary course of PRI's business pursuant to its 1984 Incentive
Stock Option Plan, 1994 Incentive and Nonqualified Stock Option Plan and 1994
Employee Stock Purchase Plan, (c) split, combine or reclassify any of the PRI
Common, or (d) purchase, redeem or otherwise acquire, directly or indirectly,
any shares of PRI Common.
 
  Section 7.4. COMPLIANCE WITH APPLICABLE LAWS. PRI shall duly comply in all
material respects with all applicable laws, ordinances and regulations and all
applicable orders, judgments, injunctions, awards and decrees of Governmental
Entities.
 
  Section 7.5. INVESTMENTS AND ACQUISITIONS. Except as contemplated by this
Agreement, PRI shall not engage in any acquisition of the equity capital or
assets of any Person in a transaction requiring the approval of the
stockholders of PRI.
 
  Section 7.6. GENERAL. PRI shall not take, propose to take, or agree in
writing or otherwise to take any of the actions described in Sections 7.1
through 7.5 or any other action that would prevent PRI from performing, or
cause PRI not to perform, its covenants and other obligations hereunder.
 
                        ARTICLE 8. ADDITIONAL COVENANTS
 
  Section 8.1. PROXY STATEMENT. As soon as reasonably practicable after the
execution of this Agreement, PRI shall prepare and file with the Securities
and Exchange Commission a proxy statement (as amended or supplemented, the
"Proxy Statement") to be sent to the stockholders of PRI in connection with
the solicitation of proxies for the meeting of PRI's stockholders to consider
the Merger (the "PRI Stockholders' Meeting").
 
  Section 8.2. PRI STOCKHOLDERS' MEETING. Promptly after the date hereof, PRI
shall take all action necessary in accordance with the Massachusetts Business
Corporation Law, its articles of organization and its bylaws to convene the
PRI Stockholders' Meeting to be held as soon as reasonably practicable for the
purpose of voting upon this Agreement and the Merger.
 
  Section 8.3. RELATED COMPANY ACQUISITIONS. PRI, Equipe and the Founders
shall take any and all actions reasonably necessary to validly effect the
Related Company Acquisitions.
 
  Section 8.4. ACCESS TO INFORMATION. Equipe shall afford to PRI, and PRI
shall afford to Equipe, and each shall cause its independent accountants to
afford to the other party and its accountants, counsel and other
representatives, reasonable access during normal business hours during the
period prior to the Closing to all of
 
                                     A-30
<PAGE>
 
the other party's properties, books, contracts, commitments and records.
During such period, each party shall use reasonable efforts to furnish
promptly to the other party all other information concerning the business,
properties and personnel of such party as the other party may reasonably
request.
 
  Section 8.5. CONFIDENTIALITY.
 
    8.5.1. For purposes of this Section 8.5, a "party" shall refers to (i)
  collectively, Equipe (prior to the Closing Date) and each of the Founders
  and (ii) together, PRI and Acquisition Corp. Each party shall treat as
  confidential, and shall cause its accountants, counsel and other
  representatives to treat as confidential, all documents and information
  concerning the other party furnished by the other party to such party
  (including documents and information furnished prior to the date hereof) in
  connection with the transactions contemplated by this Agreement, except to
  the extent that such information or documents: (a) at the time of its
  disclosure to the receiving Party by or on behalf of the disclosing party
  is already known or available to the receiving party, provided that the
  receiving party is not subject to similar restrictions of confidentiality
  as set forth herein with a third party with respect to such information;
  (b) is or becomes known or available to the public other than as a result
  of an unauthorized disclosure by the receiving party or its directors,
  officers, employees, agents or representatives; (c) is or becomes known or
  available to the receiving party without similar restrictions of
  confidentiality as set forth herein from a source other than the disclosing
  party, provided that such source is not known by the receiving party, after
  reasonable inquiry, to be bound by a confidentiality agreement with, or
  other obligation of secrecy to, the disclosing party that would prohibit
  such disclosures to the receiving party by such other party; (d) is
  independently generated by the receiving party and not derived from
  confidential information; or (e) is required to be disclosed by the
  receiving party by law, regulation, court order or other legal process.
  Subject to the foregoing, each party will not release or disclose such
  information or documents to any Person other than its representatives in
  connection with this Agreement and will not use such information for
  purposes other than as contemplated by this Agreement. In the event of the
  termination of this Agreement, each party hereto shall, and shall cause its
  representatives to, deliver to the other party the originals of all
  documents obtained by such party or on behalf of such party from the other
  party in connection with this Agreement, whether so obtained before or
  after the execution hereof, and such party shall, and shall cause its
  representatives to, destroy all copies thereof.
 
    8.5.2. Except as contemplated by Section 8.6, no party shall disclose to
  any Person (other than the party's representatives) any information
  regarding the transactions contemplated by this Agreement, including the
  existence and terms of this Agreement. Prior to the time that this
  Agreement is publicly announced in a press release in accordance with
  Section 8.6 or is disclosed in a filing made by PRI with the Securities and
  Exchange Commission pursuant to the Securities Act or the Exchange Act, no
  Founder shall, directly or indirectly, buy, sell or otherwise trade in any
  shares of PRI Common or advise any other Person as to any trading of PRI
  Common.
 
    8.5.3. The agreements contained in this Section 8.5 shall survive any
  termination of this Agreement and remain in effect for a period of five
  years from the date hereof.
 
  Section 8.6. PUBLIC DISCLOSURE. Any press release or other public disclosure
of information regarding the transactions contemplated by this Agreement
(including the existence and terms of this Agreement) shall be developed by
PRI, subject to (a) the approval of Equipe, which approval shall not be
unreasonably withheld, or (b) if such disclosure is required in order for PRI
to comply with applicable law, reasonable consultation with Equipe.
 
  Section 8.7. EXCLUSIVITY. Neither Equipe nor any Founder shall, nor shall
Equipe permit any of its representatives or affiliates to, directly or
indirectly, (a) solicit, initiate or participate in discussions or
negotiations or otherwise cooperate in any way with, or provide any
information to, any Person (other than PRI) or any group of Persons concerning
any tender offer, exchange offer, merger, business combination, sale of
substantial assets, sale of shares of capital stock or similar transaction
involving such party or (b) enter into any
 
                                     A-31
<PAGE>
 
agreement to effect, or effect, any such transaction (other than the
transactions contemplated hereby). Equipe and each Founder shall immediately
notify PRI in writing of any of the events referred to in this Section 8.7,
including a summary of the material terms of any offer made or proposed in
connection therewith.
 
  Section 8.8. SECURITIES LAWS. PRI shall take such steps as may be necessary
to comply with the securities laws of the United States and the securities and
Blue Sky laws of all other jurisdictions that are applicable in connection
with the Merger. Equipe shall use its best efforts to assist PRI as may be
necessary to comply with such laws.
 
  Section 8.9. OPTION ASSUMPTION; S-8 REGISTRATION STATEMENT. PRI will take
such action as is necessary to effect the assumption of the Equipe Options in
accordance with Section 1.4.2 above. PRI will file a registration statement on
Form S-8 covering the shares of PRI Common issuable upon exercise of the
assumed Equipe Options no later than January 4, 1998 or, if later, five
business days after the Closing, and will use its best efforts to cause such
registration statement to become and remain effective for so long as any of
the Equipe Options remain outstanding.
 
  Section 8.10. STATE STATUTES. If any state takeover law shall become
applicable to the transactions contemplated by this Agreement, PRI and its
board of directors or Equipe and its board of directors, as the case may be,
shall use their best efforts to obtain such approvals and take such actions as
are necessary so that the transactions contemplated by this Agreement may be
consummated as promptly as practicable on the terms contemplated by this
Agreement and otherwise to minimize the effects of such state takeover law on
the transactions contemplated by this Agreement.
 
  Section 8.11. POOLING ACCOUNTING. No party to this Agreement shall knowingly
take any action, directly or indirectly, that would cause the Merger to fail
to qualify as a pooling of interests, including taking any action that would
alter the equity interests of Equipe in a way that would prohibit pooling of
interests treatment for the Merger.
 
  Section 8.12. EXPENSES. If the Merger is not consummated, each party will be
and remain responsible for its costs and expenses, including fees and
disbursements of consultants, investment bankers and other financial advisors,
counsel and accountants, and the costs incurred in seeking necessary consents,
in connection with the acquisition of Equipe by PRI.
 
  Section 8.13. CONSENTS; FURTHER ASSURANCES. The parties shall use all
commercially reasonable efforts to obtain any consent, authorization, order or
approval of, or any exemption by, any Governmental Entity, or other third
party, required to be obtained or made by such party in connection with the
taking of any action contemplated by this Agreement. No party shall take any
action that would, or is reasonably likely to, result in any of its
representations and warranties set forth in this Agreement being untrue or in
any of the conditions precedent set forth in Article 9 not being satisfied. At
any time and from time to time after the Closing, the parties agree to
cooperate with each other to execute and deliver such other documents,
instruments or transfer or assignment, files, books and records, and to do all
such further acts and things, as may be reasonably required to carry out the
transactions contemplated hereby.
 
  Section 8.14. UPDATES OF SCHEDULES. Equipe and the Founders may, from time
to time after the date hereof but not later than five days before the Closing
Date, prepare and deliver to PRI updates to one or more of the Schedules
hereto disclosing any changes thereto required in respect of matters not known
to Equipe or the Founders on or prior to the date of execution and delivery
hereof. In the event the Closing does not occur, the initial Schedules shall
constitute the Schedules to be used in determining any inaccuracy in, or
breach of, any representations or warranties of Equipe and the Founders
pursuant to Section 11.2. In the event the Closing occurs, the final versions
of the Schedules as of the Closing Date shall supersede the initial Schedules
and shall constitute the definitive Schedules for all purposes of Article 10.
 
  Section 8.15. NOMINATION OF DIRECTOR. PRI hereby agrees that, at each annual
or special meeting of its stockholders at which directors of PRI are to be
elected, PRI will include as one of the nominees for whose
 
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<PAGE>
 
election proxies are solicited on behalf of PRI one person designated in
writing by those Holders holding, in the aggregate, a majority of the shares
of PRI Common issued at the Effective Time that are owned of record by the
Holders (the "Equipe Nominee"). PRI will use its best efforts, consistent with
applicable law, to solicit proxies for the election of the Equipe Nominee,
consistent with the efforts customarily employed by PRI in soliciting proxies
for the election of management's nominees for director, and otherwise to cause
the election of the Equipe Nominee as a director. Provided that an Equipe
Nominee is nominated for election to a term of at least one year at PRI's
annual meeting of stockholders or special meeting in lieu thereof following
the end of each of its 1997, 1998 and 1999 fiscal years, PRI shall not be
required to nominate any Equipe Nominee (a) for election to a term that will
end after PRI's annual meeting of stockholders or special meeting in lieu
thereof following the end of its 1999 fiscal year or (b) for election at any
meeting if an Equipe Nominee is already serving as a director and will remain
in office following such meeting.
 
  Section 8.16. INDEMNIFICATION OF EQUIPE OFFICERS AND DIRECTORS.
 
    8.16.1 PRI and the Surviving Corporation hereby agree that the
  indemnification obligations set forth in the Equipe Charter and the Equipe
  Bylaws, in each case on the date of this Agreement, shall survive the
  Merger (and, prior to the Effective Time, PRI shall cause the articles of
  incorporation and bylaws of Acquisition Corp. to reflect such provisions)
  and shall not be amended, repealed or otherwise modified for a period of
  six years after the Effective Time in any manner that would adversely
  affect the rights thereunder of the individuals who on or prior to the
  Effective Time were directors or officers, employees or agents (each such
  term being used in this Section 8.16 in the manner defined in the Equipe
  Charter and the Equipe Bylaws in effect on the date hereof) of Equipe.
 
    8.16.2 PRI shall take all action necessary to cause the Surviving
  Corporation to perform its obligations under Section 8.16.1 and to fulfill
  its indemnification obligations under the Surviving Corporation's articles
  of incorporation and bylaws.
 
    8.16.3 The obligations of Equipe, the Surviving Corporation, and PRI
  under this Section 8.16 shall not be terminated or modified in such a
  manner as to adversely affect any director, officer, employee or agent to
  whom this Section 8.16 applies without the consent of such affected
  director, officer, employee or agent (it being expressly agreed that each
  such director, officer, employee and agent to whom this Section 8.16
  applies shall be a third-party beneficiary of this Section 8.16).
 
  Section 8.17. EMPLOYEE MATTERS. To the maximum extent permitted under the
terms of the applicable PRI benefit plans, all Equipe employees shall be
eligible to participate in the various benefit plans and programs maintained
for PRI employees or in substantially similar programs, including (without
limitation) any of the following benefit plans maintained by PRI as of the
Effective Time: medical/dental/vision care, life insurance, disability income,
sick pay, holiday and vacation pay, 401(k) plan coverage, Section 125 benefit
arrangements, bonus, profit-sharing or other incentive plans, pension or
retirement programs, dependent care assistance, and employee stock option and
stock purchase plans, to the extent the Equipe employees meet the eligibility
requirements for each such plan or program. Equipe employees shall be given
credit, for purposes of any service requirements for participation, for their
period of service with Equipe prior to the Effective Time, and the Equipe
employees shall also, with respect to any PRI plans or programs which have co-
payment, deductible or other co-insurance features, receive credit for any
amounts such employees have paid to date in the plan year of the Merger in co-
payments, deductibles or co-insurance under comparable programs maintained by
Equipe prior to the Effective Time. No Equipe employee who participates in any
medical/health plan of Equipe at the Effective Time shall be denied coverage
under the PRI medical/health plan by reason of any pre-existing condition
exclusions. All officers of Equipe immediately prior to the Effective Time
shall be entitled to all perquisites and other special benefits generally made
available to PRI officers of equivalent responsibility.
 
  Section 8.18. OBLIGATIONS OF ACQUISITION CORP. PRI shall take all action
necessary to cause Acquisition Corp. to perform its obligations under this
Agreement and to consummate the Merger on the terms and conditions set forth
in this Agreement.
 
 
                                     A-33
<PAGE>
 
  Section 8.19. AFFILIATE'S AGREEMENTS. Each of PRI and Equipe shall use its
best efforts to cause each person who is, or may be deemed to be, at the time
of the PRI Stockholders' Meeting, an "affiliate" of PRI (a "PRI Affiliate") or
of Equipe (an "Equipe Affiliate"), respectively, to deliver to the other,
prior to the date the Proxy Statement is mailed to PRI's stockholders, a
written agreement in substantially the form of Exhibit B-1 (a "PRI Affiliate's
Agreement") or Exhibit B-2 (an "Equipe Affiliate's Agreement") hereto,
respectively.
 
                        ARTICLE 9. CONDITIONS PRECEDENT
 
  Section 9.1. CONDITIONS TO EACH PARTY'S OBLIGATIONS. The respective
obligations of each party to effect the transactions contemplated by this
Agreement shall be subject to the satisfaction on or prior to the Closing Date
of the following conditions unless waived by such party:
 
    9.1.1. GOVERNMENT APPROVALS. All authorizations, consents, orders or
  approvals of, or declarations or filings with, or expiration or early
  termination of waiting periods imposed by, any Governmental Entity
  necessary for the consummation of the transactions contemplated by this
  Agreement, including under applicable federal and state securities laws,
  and including the waiting period required by the Hart-Scott-Rodino
  Antitrust Improvements Act of 1976 and regulations promulgated thereunder
  (the "HSR Act"), shall have been filed, occurred or been obtained.
 
    9.1.2. STOCKHOLDER APPROVAL. This Agreement shall have been approved and
  adopted by the stockholders of both Equipe and PRI.
 
    9.1.3. LEGAL ACTION. No temporary restraining order, preliminary
  injunction or permanent injunction or other order preventing the
  consummation of the transactions contemplated by this Agreement shall have
  been issued by any federal or state court and remain in effect, and no
  litigation brought by any Governmental Entity seeking the issuance of such
  an order or injunction shall be pending which, in the good faith judgment
  of Equipe's or PRI's board of directors, has a reasonable probability of
  resulting in such order, injunction or damages. In the event any such order
  or injunction shall have been issued, each party agrees to use its
  reasonable efforts to have any such injunction lifted.
 
    9.1.4. STATUTES. No statute, rule or regulation shall have been enacted
  by any Governmental Entity that (a) makes the consummation of the
  transactions contemplated by this Agreement illegal, (b) prohibits PRI's
  ownership or operation of all or a material portion of the business or
  assets of Equipe, or compels PRI to dispose of or hold separate all or a
  material portion of the business or assets of Equipe, as a result of the
  transactions contemplated by this Agreement, or (c) renders PRI or Equipe
  unable to consummate the transactions contemplated by this Agreement,
  except for any waiting period provisions.
 
    9.1.5. TAX OPINIONS. PRI and Equipe shall have received written opinions
  of Foley, Hoag & Eliot LLP and Brobeck, Phleger & Harrison LLP,
  respectively, in form and substance reasonably satisfactory to them to the
  effect that the Merger and the Related Company Acquisitions constitute
  reorganizations within the meaning of Section 368 of the Code. In rendering
  such opinions, counsel may rely upon representations and certificates of
  PRI, Acquisition Corp., Equipe and the Founders.
 
    9.1.6. POOLING LETTERS. Each of PRI and Equipe shall have received
  updates of letters from Coopers & Lybrand LLP and Ernst & Young LLP
  regarding those firms' concurrence with the conclusions of the managements
  of PRI and Equipe respectively as to the appropriateness of pooling of
  interests accounting for the Merger and the Related Company Acquisitions
  under Accounting Principles Board Opinion No. 16, if closed and consummated
  in accordance with this Agreement.
 
  Section 9.2. CONDITIONS TO OBLIGATIONS OF PRI AND ACQUISITION CORP. The
obligations of PRI and Acquisition Corp. to effect the transactions
contemplated by this Agreement are subject to the satisfaction on or prior to
the Closing Date of the following conditions, unless waived by PRI:
 
    9.2.1. REPRESENTATIONS, WARRANTIES AND PERFORMANCE OF EQUIPE AND THE
  FOUNDERS. The representations and warranties of Equipe and each of the
  Founders set forth in this Agreement shall be true
 
                                     A-34
<PAGE>
 
  and correct as of the date of this Agreement and as if made at and as of
  the Closing Date, except for (i) changes specifically contemplated by this
  Agreement, (ii) those representations and warranties that address matters
  only as of a particular date (which shall remain true and correct as of
  such date) and (iii) in each case except where the failure to be so true
  and correct would not have an Equipe Material Adverse Effect (other than
  representations and warranties that are already so qualified, which shall
  be true and correct as written). Equipe and each Founder shall have
  performed in all material respects all obligations required to be performed
  under this Agreement prior to the Closing Date by such parties. Since June
  30, 1997 there shall have been no changes that, in the aggregate, have had
  or could reasonably be expected to have an Equipe Material Adverse Effect,
  and the Closing, itself, will not cause any default under any material
  contract to which Equipe is a party that would have an Equipe Material
  Adverse Effect. PRI shall have received a certificate signed by the chief
  executive officer and chief financial officer of Equipe and by each Founder
  confirming the preceding three sentences.
 
    9.2.2. OFFICERS' CERTIFICATE. Authorized officers of Equipe shall have
  executed the Officers' Certificate of Equipe.
 
    9.2.3. OTHER AGREEMENTS. Each of the parties thereto, other than PRI and
  Acquisition Corp., shall have entered into the following agreements:
 
      (a) Equipe Affiliate's Agreements, dated as of the Closing Date, of
    each of the Equipe Affiliates;
 
      (b) Employment Agreements, dated as of the Closing Date, between
    Equipe and each of James Cameron, Frantisek Pavlik, Paul Rogan, Lubomir
    Skrobak and Steven The in the form of Exhibit C (the "Employment
    Agreements");
 
      (c) a Registration Rights Agreement, dated as of the Closing Date,
    among PRI, each of the Holders, the stockholders of each of the Related
    Companies, and the Stockholders' Representatives (as defined in Section
    10.2) in the form of Exhibit D (the "Registration Rights Agreement);
    and
 
      (d) each of Ralph Cameron, Ruth Cameron, Patrick Allen and John
    Hoctor (collectively, the "Other Holders") shall have executed an
    instrument of adherence (each an "Instrument of Adherence"), agreeing
    to be bound by Articles 10 and 12 hereof.
 
    9.2.4. IRREVOCABLE PROXIES. Each Founder shall have delivered to PRI,
  simultaneously with the execution of this Agreement, and Equipe shall have
  used its best efforts to cause each of Ralph Cameron, Ruth Cameron, Patrick
  Allen and John Hoctor to deliver to PRI as soon as practicable following
  the execution of this Agreement, his or her irrevocable proxy (each, an
  "Irrevocable Proxy") in the form of Exhibit E with respect to approval of
  the Merger by the stockholders of Equipe.
 
    9.2.5. OPINION OF COUNSEL FOR EQUIPE AND FOUNDERS. PRI shall have
  received an opinion dated as of the Closing Date of Brobeck, Phleger &
  Harrison LLP, counsel for Equipe and the Founders, in the form of Exhibit
  F.
 
    9.2.6. RESIGNATIONS. Equipe shall have received a letter from each person
  who is an officer or director of Equipe or of either Related Company
  immediately prior to the Closing Date, to the effect that such person
  thereby resigns from all such offices effective as of the Closing Date.
 
    9.2.7. FIRPTA COMPLIANCE. Each Holder shall have delivered to PRI an
  affidavit complying with the requirements of Code section 1445 and the
  regulations thereunder certifying as to the non-foreign status of such
  Holder, or Equipe and each of the Related Companies shall have delivered to
  PRI certificates complying with the requirements of Section 1445 of the
  Code and the regulations thereunder to the effect that Equipe and the
  Related Companies are not and have not been U.S. real property holding
  corporations.
 
    9.2.8. EFFECTIVENESS OF RELATED COMPANY ACQUISITIONS. All conditions to
  the consummation of the Related Company Acquisitions, other than the
  consummation of the Merger, shall have been satisfied, such
 
                                     A-35
<PAGE>
 
  that the Related Party Acquisitions will be able to be consummated
  immediately following the consummation of the Merger.
 
  Section 9.3. CONDITIONS TO OBLIGATIONS OF EQUIPE AND FOUNDERS. The
obligations of Equipe and the Founders to effect the transactions contemplated
by this Agreement are subject to the satisfaction on or prior to the Closing
Date of the following conditions unless waived by the Founders:
 
    9.3.1. REPRESENTATIONS, WARRANTIES AND PERFORMANCE OF PRI. The
  representations and warranties of PRI and Acquisition Corp. set forth in
  this Agreement shall be true and correct as of the date of this Agreement
  and as if made at and as of the Closing Date, except for (i) changes
  specifically contemplated by this Agreement, (ii) those representations and
  warranties that address matters only as of a particular date (which shall
  remain true and correct as of such date) and (iii) in each case except
  where the failure to be so true and correct would not have a PRI Material
  Adverse Effect. PRI and Acquisition Corp. shall have performed in all
  material respects all obligations required to be performed under this
  Agreement prior to the Closing Date by such parties. Since June 29, 1997,
  there shall have been no changes that, in the aggregate, have had or could
  reasonably be expected to have a PRI Material Adverse Effect, and the
  Closing, itself, will not cause any default under any material contract to
  which PRI or Acquisition Corp. is a party that would have a PRI Material
  Adverse Effect. Equipe shall have received a certificate signed by the
  chief executive officer and chief financial officer of PRI and Acquisition
  Corp. confirming the preceding three sentences.
 
    9.3.2. OFFICERS' CERTIFICATE. Authorized officers of Acquisition Corp.
  shall have executed the Officers' Certificate of Acquisition Corp.
 
    9.3.3. OTHER AGREEMENTS. Each of PRI and Acquisition Corp., to the extent
  a party thereto, shall have entered into the Registration Rights Agreement
  and the Employment Agreements.
 
    9.3.4. OPINION OF PRI'S COUNSEL. The Founders shall have received an
  opinion dated as of the Closing Date of Foley, Hoag & Eliot LLP, counsel to
  PRI and Acquisition Corp., substantially in the form of Exhibit G.
 
    9.3.5 PRI OPTIONS. The board of directors of PRI shall have authorized,
  and any other necessary corporate action shall have been taken by PRI to
  cause, the issuance, as of the Effective Time, of nonqualified stock
  options to purchase PRI Common to those Equipe employees listed on Schedule
  9.3.5, in the respective amounts listed on Schedule 9.3.5 (the "PRI
  Options"). Such PRI Options shall be at an exercise price equal to the last
  reported sale price of the PRI Common as reported by the Nasdaq National
  Market on the Effective Date, and shall otherwise be consistent in form and
  substance with the nonqualified stock options granted by PRI to employees
  having comparable responsibilities.
 
                          ARTICLE 10. INDEMNIFICATION
 
  Section 10.1. AGREEMENT TO INDEMNIFY. Subject to the limitations set forth
herein, the Holders shall jointly and severally (and without any right of
contribution from or indemnification by Equipe or either Related Company)
indemnify, defend and hold harmless PRI and the Surviving Corporation (and
their respective affiliates, officers, directors, employees, representatives
and agents) (collectively, the "Indemnified Persons") against and in respect
of any and all claims, costs, losses, expenses, liabilities or other damages,
including interest, penalties and reasonable attorneys' fees and disbursements
(collectively "Damages") by reason of or otherwise arising out of a breach by
Equipe or any Founder of a representation, warranty or covenant contained in
this Agreement. The amounts for which the Indemnified Persons may seek
indemnification under this Article 10 shall extend to, and as used herein the
term "Damages" shall include, reasonable attorneys' fees and disbursements,
reasonable accountants' fees, costs of litigation and other expenses incurred
by them in the defense of any claim asserted against them and any amounts paid
in settlement or compromise of any claim
 
                                     A-36
<PAGE>
 
asserted against them to the extent that the claim asserted is or would have
been subject to the indemnification provisions hereof, subject to the
limitations set forth in Section 10.4. The indemnity under this Article 10
extends only to the net amount of Damages sustained by the Indemnified Person
after deducting therefrom any amount that such Indemnified Person recovers as
proceeds of insurance in respect of such claim, net of any cost of collection,
deductible, retroactive premium adjustment, reimbursement obligation or other
cost directly related to the insurance claim for such claim.
 
  Section 10.2. APPOINTMENT OF STOCKHOLDERS' REPRESENTATIVE. Each Holder, by
operation of the Merger and by virtue of his receipt of the merger
consideration specified in Section 1.5 above, shall be deemed at the Effective
Time to have appointed James Cameron and Paul Rogan, and each of them, acting
singly, with full power of substitution, the representatives and attorneys-in-
fact of such Holder (the "Stockholders' Representatives"), with full power and
authority in the name of and for and on behalf of such Holder to:
 
    (a) execute and deliver on behalf of such Holder the Registration Rights
  Agreement and on behalf of each Other Holder an Instrument of Adherence;
  and
 
    (b) to receive at the Closing and forward promptly to such Holder the
  stock certificates referred to in Section 1.5 above.
 
  This power of attorney, and the authority conferred hereby, being coupled
with an interest, are irrevocable and shall not be terminable by any act or
deed of such Holder, by the death or incapacity of such Holder, by operation
of law or otherwise. Notwithstanding the foregoing, this power of attorney
shall terminate in the event that the Closing has not taken place within one
hundred twenty (120) days after the date hereof.
 
  Section 10.3. SURVIVAL OF REPRESENTATIONS AND WARRANTIES. Except as
otherwise set forth below, the representations and warranties of Equipe and
the Founders in this Agreement shall survive the Closing, and any
investigation made by PRI, for a period of one year after the Closing Date or,
if sooner, until the publication of audited financial statements of PRI for
its first fiscal year ending after the Effective Time (the "Survival Period").
The representations and warranties of PRI and Acquisition Corp. shall
terminate at the Effective Time. The covenants of any party shall survive the
Closing in accordance with their terms.
 
  Section 10.4. CERTAIN LIMITATIONS. The obligations of the Holders with
respect to indemnification pursuant to Section 10.1 above shall be subject to
the following limitations:
 
    (a) no indemnification shall be required to be made hereunder (i) with
  regard to individual claims for $10,000 or less and (ii) unless the
  aggregate amount of individual claims of greater than $10,000 for which
  indemnity is sought exceeds $2,500,000, in which case indemnification shall
  be provided to the full extent of such claims;
 
    (b) no claims for indemnity shall be made after the expiration of the
  Survival Period; and
 
    (c) the amount of the claims for which indemnification shall be made
  hereunder by any Holder shall not exceed the product of (i) the Average
  Price multiplied by (ii) ten percent (10%) of the number of shares of PRI
  Common received by such Holder pursuant to this Agreement and any Related
  Company Acquisition Agreement to which such Holder is a party.
 
                 ARTICLE 11. TERMINATION, AMENDMENT AND WAIVER
 
  Section 11.1. TERMINATION. This Agreement may be terminated at any time
prior to the Closing:
 

    (a) by mutual written consent of Equipe, the Founders and PRI;

 
    (b) by Equipe or any Founder if there has been a breach of any
  representation, warranty, covenant or agreement contained in this Agreement
  on the part of PRI or Acquisition Corp. such that the condition set forth
  in Section 9.3.1 would not be satisfied and, if such breach is curable,
  such breach has not been cured
 
                                     A-37
<PAGE>
 
  within twenty days after written notice of such breach, or by PRI if there
  has been a breach of any representation, warranty, covenant or agreement
  contained in this Agreement on the part of Equipe or any Founder such that
  the condition set forth in Section 9.2.1 would not be satisfied and, if
  such breach is curable, such breach has not been cured within twenty days
  after written notice of such breach;
 
    (c) by Equipe, any Founder or PRI if the stockholders of Equipe or PRI
  shall have voted not to approve this Agreement;
 
    (d) by Equipe, any Founder or PRI if the Closing shall not have been
  occurred on or before May 31, 1998; provided, however, that the rights to
  terminate this Agreement under this Section 11.1(d) shall not be available
  to any party whose failure to fulfill an obligation under this Agreement
  has been the cause of the failure of the Merger to occur on or before such
  date;
 
    (e) by Equipe, any Founder or PRI if (i) there shall be a final
  nonappealable order of a federal or state court in effect preventing
  consummation of the transactions contemplated by this Agreement or (ii)
  there shall be any action taken, or any statute, rule, regulation or order
  erected, promulgated or issued or deemed applicable to the transactions
  contemplated by this Agreement by any Governmental Entity which would make
  consummation of the transactions contemplated by this Agreement illegal;
  and
 
    (f) by Equipe or PRI if there shall be any action taken, or any statute,
  rule, regulation or order enacted, promulgated or issued or deemed
  applicable to the transactions contemplated by this Agreement by any
  Governmental Entity that would (i) prohibit PRI's or Equipe's ownership or
  operation of all or a material portion of the business or assets of Equipe
  or PRI and its subsidiaries taken as a whole, or compel PRI or Equipe to
  dispose of or hold separate all or a material portion of the business or
  assets of Equipe or PRI, as a result of the transactions contemplated by
  this Agreement or (ii) render PRI, Equipe or any Founder unable to
  consummate the transactions contemplated by this Agreement.
 
  Section 11.2. EFFECT OF TERMINATION. In the event of termination of this
Agreement by Equipe, PRI or the Founders as provided in Section 11.1, this
Agreement shall forthwith become void and there shall be no liability or
obligation on the part of PRI or Equipe or their respective officers or
directors or any Founder, except that if such termination results from any
material and intentionally fraudulent misrepresentation by a party made herein
or an intentional breach by any party of any of its material agreements
herein, the other parties shall be entitled to recover from such party all
fees and expenses incurred by them incident to their investigation,
preparation and carrying out of the transactions contemplated hereby.
 
  Section 11.3. AMENDMENT. This Agreement may not be amended, modified or
supplemented by the parties hereto in any manner, except by an instrument in
writing signed on behalf of each of the parties hereto.
 
  Section 11.4. EXTENSION; WAIVER. At any time prior to the Effective Time,
any party hereto, by such corporate or other action as shall be appropriate,
may, to the extent legally allowed, (a) extend the time for the performance of
any of the obligations or other acts of the other parties hereto, (b) waive
any inaccuracies in the representations and warranties made to such party
contained herein or in any document delivered pursuant hereto and (c) waive
compliance with any of the covenants, agreements or conditions for the benefit
of such party contained herein. Any agreement on the part of a party hereto to
any such extension or waiver shall be valid if set forth in an instrument in
writing signed on behalf of such party.
 
                           ARTICLE 12. MISCELLANEOUS
 
  Section 12.1. ARBITRATION.
 
    12.1.1. Any dispute, controversy or claim arising in connection with this
  Agreement, including any claim for indemnification pursuant to Section 10.1
  of this Agreement, shall be settled by arbitration by a panel of three
  arbitrators; except that, notwithstanding the foregoing, any dispute,
  controversy or claim arising in connection with a breach of the
  confidentiality provisions of this Agreement shall not be subject
 
                                     A-38
<PAGE>
 
  to arbitration pursuant to this Section 12.1. The arbitration shall be held
  in New York, New York and shall be conducted in accordance with the
  Commercial Arbitration Rules of the American Arbitration Association,
  except that the rules set forth in this Section 12.1 shall govern such
  arbitration to the extent they conflict with the rules of the American
  Arbitration Association.
 
    12.1.2. Upon written notice by a party to any other party of a request
  for arbitration hereunder, PRI and the Founders shall each select an
  arbitrator within thirty days after the date of such notice, and the two
  arbitrators so selected shall use their best efforts to select a mutually
  acceptable arbitrator within thirty days after their selection. If the two
  arbitrators are unable to agree upon a third arbitrator within said thirty-
  day period, the third arbitrator shall be selected by the American
  Arbitration Association pursuant to its rules. The arbitration shall be
  conducted in an expeditious manner, the parties using their best efforts to
  cause the arbitration to be completed within sixty days after selection of
  the arbitrator. In the arbitration, there shall be no discovery except as
  the arbitrators shall permit following a determination by the arbitrators
  that the party seeking such discovery has substantial demonstrable need.
  All other procedural matters shall be within the discretion of the
  arbitrators. In the event a party fails to comply with the procedures in
  any arbitration in a manner deemed material by the arbitrators, the
  arbitrators shall fix a reasonable period of time for compliance and, if
  the party does not comply within said period, a remedy deemed just by the
  arbitrators, including an award of default, may be imposed.
 
    12.1.3. The determination of the arbitrators by majority vote shall be
  final and binding on the parties. The expense of the arbitration and all
  expenses incurred by the parties with respect thereto (including reasonable
  attorneys' fees and fees of experts shall be borne by the party not
  prevailing in the arbitration, as determined by the arbitrators. Judgment
  upon the award rendered by the arbitrators may be entered in the U.S.
  District Court for the District of New York sitting in New York, New York.
 
  Section 12.2. NOTICES. Any notice, request, instruction or other document to
be given hereunder by any party to the other shall be in writing and delivered
personally or sent by certified mail, postage prepaid, by facsimile (with
receipt confirmed), or by courier service, as follows:
 
     To PRI:          PRI Automation, Inc.
                      805 Middlesex Turnpike
                      Billerica, Massachusetts 01821-3986
                      Fax: 978-671-9430
                      Attention: President
 
                      With a copy to:
 
                      Foley, Hoag & Eliot LLP
                      One Post Office Square
                      Boston, Massachusetts 02109
                      Fax: 617-832-7000
                      Attention: Robert L. Birnbaum, Esq.
 
     To Equipe:       Equipe Technologies, Inc.
                      733 North Pastoria Avenue
                      Sunnyvale, California 94086
                      Fax: 408-522-0358
                      Attention: President
 
                      With a copy to:
 
                      Brobeck, Phleger & Harrison LLP
                      Spear Street Tower
                      One Market
                      San Francisco, California 94105
                      Fax: 415-442-1010
                      Attention: Michael J. Kennedy, Esq.
 
                                     A-39
<PAGE>
 
     To any Founder:  James Cameron and Paul Rogan,
                      as Stockholders' Representatives
                      c/o Equipe Technologies, Inc.
                      733 North Pastoria Avenue
                      Sunnyvale, California 94086
                      Fax: 408-522-0358
 
                      With a copy to:
 
                      Brobeck, Phleger & Harrison LLP
                      Spear Street Tower
                      One Market
                      San Francisco, California 94105
                      Fax: 415-442-1010
                      Attention: Michael J. Kennedy, Esq.
 
or to such other Persons as may be designated in writing by the parties, by a
notice given as aforesaid.
 
  Section 12.3. CONSTRUCTION. The headings in this Agreement are included only
for convenience and shall not affect the meaning or interpretation of this
Agreement. The words "herein" and "hereof" and other words of similar import
refer to this Agreement as a whole and not to any particular part of this
Agreement. The word "including" as used herein shall not be construed so as to
exclude any other thing not referred to or described.
 
  Section 12.4. EXHIBITS AND SCHEDULES. The Exhibits and Schedules to this
Agreement are a part of this Agreement as if set forth in full herein. All
references herein to Sections, Exhibits and Schedules shall be deemed
references to such parts of this Agreement, except as otherwise provided.
 
  Section 12.5. ENTIRE AGREEMENT, ASSIGNABILITY, ETC. This Agreement (a)
constitutes the entire agreement, and supersedes all other prior agreements
and understandings, both written and oral, between the parties with respect to
the subject matter hereof, (b) is not intended to confer upon any Person other
than the parties hereto any rights or remedies hereunder, except as otherwise
expressly provided herein, and (c) shall not be assignable by operation of law
or otherwise, except to each Founder's heirs upon such Founder's death. No
provisions of this Agreement are intended, nor will be interpreted, to provide
or create any third party beneficiary rights or any other rights of any kind
in any client, customer, affiliate, stockholder, partner or employee of any
party hereto or any other Person unless specifically provided otherwise
herein, and, except as so provided, all provisions hereof will be personal
solely between the parties to this Agreement.
 
  Section 12.6. VALIDITY. The invalidity or unenforceability of any provisions
of this Agreement shall not affect the validity or enforceability of any other
provisions of this Agreement, each of which shall remain in full force and
effect.
 
  Section 12.7. FURTHER ASSURANCES. Each party agrees to cooperate fully with
the other parties and to execute such further instruments, documents and
agreements and to give such further written assurances as may be reasonably
requested by any other party to evidence and reflect the transactions
described herein and contemplated hereby and to carry into effect the intents
and purposes of this Agreement.
 
  Section 12.8. JURISDICTION AND VENUE. Each party agrees that the federal
courts of the United States shall have the exclusive jurisdiction for any
dispute under this Agreement.
 
  Section 12.9. GOVERNING LAW. This Agreement shall be governed by the laws of
the Commonwealth of Massachusetts.
 
  Section 12.10. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original but all of which
together shall constitute one and the same instrument.
 
                                     * * *
 
                                     A-40
<PAGE>
 
  In Witness Whereof, the parties have duly executed this Agreement as of the
date first above written.
 
                                          PRI AUTOMATION, INC.
 
                                                 /s/ Mordechai Wiesler
                                          By: _________________________________
                                            Name: Mordechai Wiesler
                                            Title: Chief Executive Officer
 
                                          E-ACQUISITION CORP.
 
                                                 /s/ Mordechai Wiesler
                                          By: _________________________________
                                            Name: Mordechai Wiesler
                                            Title: Chief Executive Officer
 
                                          EQUIPE TECHNOLOGIES, INC.
 
                                                 /s/ James Cameron
                                          By: _________________________________
                                            Name: James Cameron
                                            Title: CEO
 
                                          FOUNDERS:
 
                                                 /s/ James Cameron
                                          _____________________________________
                                          James Cameron
 
                                                 /s/ Frantisek Pavlik
                                          _____________________________________
                                          Frantisek Pavlik
 
                                                 /s/ Paul Rogan
                                          _____________________________________
                                          Paul Rogan
 
                                                 /s/ Lubomir Skrobak
                                          _____________________________________
                                          Lubomir Skrobak
 
                                                 /s/ Steven The
                                          _____________________________________
                                          Steven The
 
                                      A-41
<PAGE>
 
                            INSTRUMENT OF ADHERENCE
 
  Each of the undersigned hereby agrees to be bound by Articles 10 and 12 of
the foregoing Agreement and Plan of Reorganization dated October 25, 1997, as
fully as if each had been an original signatory thereto.
 
                                                            *
                                          _____________________________________
                                                      Ralph Cameron
 
                                                            *
                                          _____________________________________
                                                      Ruth Cameron
 
                                                            *
                                          _____________________________________
                                                      Patrick Allen
 
                                                            *
                                          _____________________________________
                                                       John Hoctor
 
 
                                                 /s/ James Cameron
                                          By:__________________________________
                                            James Cameron, Attorney-in-fact
 
                                                 /s/ Paul Rogan
                                          By:__________________________________
                                            Paul Rogan, Attorney-in-fact
 
                                      A-42
<PAGE>
 
                                                                        ANNEX B
 
MORGAN STANLEY
 
                                                        MORGAN STANLEY & CO.
                                                        INCORPORATED
                                                        1585 BROADWAY
                                                        NEW YORK, NEW YORK 10036
                                                        (212) 761-4000
 
                                              October 26, 1997
 
Board of Directors
PRI Automation, Inc.
805 Middlesex Turnpike
Billerica, MA 01821-3986
 
Members of the Board:
 
  We understand that Equipe Technologies, Inc. ("Equipe" or the "Company"),
certain shareholders of Equipe (the "Founders"), PRI Automation, Inc. ("PRI")
and E-Acquisition Corp., a wholly owned subsidiary of PRI ("Acquisition Sub"),
intend to enter into an Agreement and Plan of Reorganization, substantially in
the form of the draft dated as of October 24, 1997 (the "Merger Agreement"),
which provides, among other things, for the merger (the "Merger") of
Acquisition Sub with and into Equipe. Pursuant to the Merger, Equipe will
become a wholly owned subsidiary of PRI and all the outstanding shares of
common stock (the "Equipe Common Stock") of Equipe, other than shares held in
treasury, will be converted into 4.088 million shares of common stock, par
value $0.01 per share ("PRI Common Stock"), of PRI (the "Equipe
Consideration"). We further understand that in two separate, but related,
transactions, PRI, the Founders and certain holders of capital stock of the
Related Companies (as defined below), intend to enter into Share Purchase
Agreements, substantially in the form of the drafts dated October 24, 1997
(the "Related Company Acquisition Agreements" and together with the Merger
Agreements, the "Agreements"), which provide, among other things, for the
purchase (the "Purchase" and together with the Merger the "Transactions") by
PRI of (i) all outstanding shares of capital stock of E-Machine, Inc. ("E-
Machine") for 36,000 shares of PRI Common Stock (the "E-Machine
Consideration") and (ii) all the outstanding shares of capital stock of Equipe
Japan Corporation ("Equipe Japan" and together with E-Machines the "Related
Companies") for 240,000 shares of PRI Common Stock (the "Equipe Japan
Consideration", and together with the Equipe Consideration and the E-Machine
Consideration, the "Consideration"). The terms and conditions of the
Transactions are more fully set forth in the Merger Agreement.
 
  You have asked for our opinion as to whether the Consideration to be paid by
PRI pursuant to the Agreements is fair from a financial point of view to PRI.
 
  For purposes of the opinion set forth herein, we have:
 
   (i)   reviewed certain publicly available financial statements and other
         information of PRI;
 
   (ii)  reviewed certain internal financial statements and other financial
         and operating data concerning the Equipe and the Related Companies
         (collectively, the "Company") prepared by the management of the
         Company;
 
   (iii) analyzed certain financial projections prepared by the management of
         the Company;
 
   (iv)  discussed the past and current operations and financial condition and
         the prospects of the Company with senior executives of Equipe;
 
   (v)   discussed certain internal financial statements and other financial
         operating data concerning PRI prepared by the management of PRI;
 
   (vi)  discussed certain financial projections prepared by the management of
         PRI;
 
                                      B-1
<PAGE>
 
                                                                 MORGAN STANLEY
 
   (vii)  discussed the past and current operations and financial condition and
          the prospects of PRI with senior executives of PRI, and analyzed the
          pro forma impact of the Merger on PRI's earnings per share;
 
   (viii) compared the financial performance of the Company with that of
          certain other comparable publicly-traded companies;
 
   (ix)   reviewed the financial terms, to the extent publicly available, of
          certain comparable acquisition transactions;
 
   (x)    reviewed and discussed with the senior managements of PRI and Equipe
          the strategic rationale for the Merger and certain alternatives to
          the Transactions;
 
   (xi)   participated in discussions and negotiations among representatives of
          the Company and PRI and their financial and legal advisors;
 
   (xii)  reviewed the Agreements and certain related documents; and
 
   (xiii) considered such other factors as we have deemed appropriate.
 
  We have assumed and relied upon without independent verification the
accuracy and completeness of the information reviewed by us for the purposes
of this opinion. With respect to the financial projections, we have assumed
that they have been reasonably prepared on bases reflecting the best currently
available estimates and judgments of the future financial performance of the
Company and PRI. We have relied upon the assessment by the managements of the
Company and PRI of their ability to retain key employees of both the Company
and PRI. We have also relied upon, without independent verification, the
assessment by the managements of the Company and PRI of the Company's and
PRI's technologies and products, the timing and risks associated with the
integration of the Company and PRI, and the validity of, and risks associated
with the Company's and PRI's existing and future products and technologies. We
have not made any independent valuation or appraisal of the assets or
liabilities of the Company or PRI, nor have we been furnished with any such
appraisals. We have assumed that collectively the Transactions will be
accounted for as a "pooling-of-interests" business combination in accordance
with U.S. generally accepted accounting principles and will qualify as a
"reorganization" within the meaning of Section 368(a) of the Internal Revenue
Code of 1986. We have assumed that the Transactions will be consummated in
accordance with terms set forth in the Agreements. Our opinion is necessarily
based on economic, market and other conditions as in effect on, and the
information made available to us as of, the date hereof.
 
  We have acted as financial advisor to the Board of Directors of PRI in
connection with this transaction and will receive a fee for our services.
 
  It is understood that this letter is for the information of the Board of
Directors of PRI and may not be used for any other purpose without our prior
written consent, except that this opinion may be included in its entirety in
any filing made by PRI with the Securities and Exchange Commission with
respect to the transactions contemplated by the Agreements. In addition, we
express no opinion or recommendations as to the allocation of the
Consideration among the Transactions pursuant to the Agreements or as to how
the shareholders of PRI should vote at the shareholders' meeting held in
connection with the Transactions.
 
  Based on the foregoing, we are of the opinion on the date hereof that the
Consideration to be paid by PRI pursuant to the Agreements is fair from a
financial point of view to PRI.
 
                                          Very truly yours,
 
                                          MORGAN STANLEY & CO. INCORPORATED
 
                                                  /s/ Cordell G. Spencer
                                          By: _________________________________
                                              Cordell G. Spencer
                                              Principal
 
                                      B-2
<PAGE>
 
                                                                        ANNEX C
 
                     FORM OF REGISTRATION RIGHTS AGREEMENT
 
  This Registration Rights Agreement dated as of                (this
"Agreement") is entered into among PRI Automation, Inc., a Massachusetts
corporation ("PRI"), James Cameron, Paul Rogan, Frantisek Pavlik, Lubomir
Skrobak and Steven The (collectively, the "Founders") and Ralph Cameron, Ruth
Cameron, Patrick Allen, John Hoctor, Mario Plascencia, Masahiro Kadowaki,
Hideo Ukai, Mikinori Yasuda and Hidetsugu Yokoi (collectively, together with
the Founders, the "Initial Holders"), and any of their respective (a)
successors-in-interest, (b) family members, trusts wholly or principally for
the benefit of family members and affiliates to whom an Initial Holder or its
successor-in-interest transfers any of the Registrable Securities (as defined
in Section 1) initially issued to such Initial Holder, and (c) any other
person or persons to whom an Initial Holder transfers all or substantially all
of the Registrable Securities initially issued to such Initial Holder, which
family member, trust, affiliate or person described in clause (b) or (c) is
registered on the books of PRI (together with the Initial Holders, such
successors-in-interest, family members, trusts, affiliates and other persons
are hereinafter sometimes referred to as the "Holders").
 
                                   RECITALS
 
  This Agreement is made pursuant to the Agreement and Plan of Reorganization
dated as of October 25, 1997 (the "Reorganization Agreement") among PRI, E-
Acquisition Corp., Equipe Technologies, Inc. ("Equipe") and the Founders, and
those certain Related Company Acquisition Agreements (as defined in the
Reorganization Agreement) among PRI, the Founders and certain of the other
Initial Holders, pursuant to which agreements, among other things, (a) E-
Acquisition Corp. is merging with and into Equipe (the "Merger"), with Equipe
being the surviving corporation and thereby becoming a wholly owned subsidiary
of PRI, (b) PRI is acquiring all the outstanding capital stock of the Related
Companies (as defined in the Reorganization Agreement) and (c) PRI is issuing
shares (the "Shares") of its common stock, $.01 par value ("PRI Common"), to
the Initial Holders, which will not be registered under the Securities Act of
1933, as amended (the "Securities Act"). In order to induce the Founders and
Equipe to enter into the Reorganization Agreement, certain of the Initial
Holders to enter into the Related Company Acquisition Agreements and the
Founders and other stockholders of Equipe to vote in favor of the Merger, PRI
has agreed to provide certain registration rights with respect to the Shares
as set forth in this Agreement.
 
  Now, Therefore, PRI and the Initial Holders hereby agree as follows:
 
  1. SECURITIES SUBJECT TO THIS AGREEMENT. The securities entitled to the
benefits of this Agreement are the Shares and any other securities issued by
PRI in exchange for any of the Shares (collectively the "Registrable
Securities") but, with respect to any particular Registrable Security, only so
long as it continues to be a Registrable Security. Registrable Securities
shall include any securities issued as a dividend or distribution on account
of Registrable Securities or resulting from a subdivision of the outstanding
shares of Registrable Securities into a greater number of shares (by
reclassification, stock split or otherwise). Notwithstanding the foregoing:
 
    (a) For the purposes of this Agreement, a security that is a Registrable
  Security shall cease to be a Registrable Security when (i) such security
  has been effectively registered under the Securities Act and has been
  disposed of pursuant to such registration statement, (ii) such security has
  been sold pursuant to Rule 144 (or any similar provision then in force)
  under the Securities Act, or (iii) such security has been otherwise
  transferred and (A) PRI has delivered a new certificate or other evidence
  of ownership not bearing the legend set forth on the Shares upon the
  initial issuance thereof (or other legend of similar import) and (B) in the
  opinion of counsel to PRI, the subsequent disposition of such security
  shall not require the registration or qualification under the Securities
  Act.
 
    (b) In addition, all Registrable Securities held by any Founder and any
  other Holder who acquired such securities directly or indirectly from that
  Founder (such Founder and Holders may collectively hereinafter
 
                                      C-1
<PAGE>
 
  be referred to as a "Founder Group") shall cease to be Registrable
  Securities at such time as the aggregate amount of otherwise Registrable
  Securities held by such Founder Group constitutes less than the Minimum
  Percentage (as defined below) of the Registrable Securities initially held
  by such Founder immediately following the Merger (the "Initial Registrable
  Securities").
 
    (c) With respect to any Founder Group, the Minimum Percentage shall mean
  (i) until the first anniversary of the consummation of the Merger (the
  "First Anniversary") and thereafter until the Closing of the first Demand
  Registration, if any, effected pursuant to Section 3 below (the "First
  Demand Registration"), 75%; and (ii) after the First Demand Registration
  and until the second anniversary of the consummation of the Merger (the
  "Second Anniversary"), 75% less the percentage that (A) the aggregate
  number of Registrable Securities that have been included by the Founder
  Group in any Demand Registration, other than a Demand Shelf Registration
  (as defined below), bears to (B) the number of Initial Registrable
  Securities that were originally issued to the respective Founder; provided
  that (iii) in no event shall the Minimum Percentage be less than 50%.
 
  2. PIGGYBACK REGISTRATION. At any time prior to the Second Anniversary,
whenever PRI proposes to file a registration statement under the Securities
Act with respect to an underwritten public offering of PRI Common for cash
sale by PRI for its own account or by any of PRI's securityholders, PRI shall
give written notice (the "Offering Notice") of such proposed filing to each of
the Holders at least thirty days before the anticipated filing date. Such
Offering Notice shall offer all such Holders the opportunity to register such
number of Registrable Securities as each such Holder may request in writing,
which request for registration (each, a "Piggyback Registration") must be
received by PRI within fifteen days after the Offering Notice is given. PRI
shall use all reasonable efforts to cause the managing underwriter or
underwriters of a proposed underwritten offering to permit the holders of the
Registrable Securities requested to be included in the registration for such
offering to include such Registrable Securities in such offering on the same
terms and conditions as the shares of PRI Common included therein; provided,
that in no event shall the aggregate number of Registrable Securities to be
included for the account of the members of any Founder Group in all such
Piggyback Registrations effected prior to the First Anniversary constitute
more than 25% of the number of Initial Registrable Securities originally
issued to the respective Founder.
 
  3. DEMAND REGISTRATION.
 
  (a) As soon as practicable following receipt by PRI of a written request (a
"Registration Request") from Founders who, with their affiliated Founder
Groups, hold a majority of the Registrable Shares then held by all the Founder
Groups (the "Requesting Founders"), and subject to the limitations set forth
below, PRI will file a registration statement on Form S-3 or any other
appropriate form under the Securities Act for an offering to be made on a firm
commitment underwritten basis that includes such number of Registrable
Securities as the Requesting Founders may request to be included for sale for
the account of the Holders (a "Demand Registration"). The managing underwriter
or underwriters of any offering pursuant to such a Demand Registration shall
be selected by PRI in its sole discretion.
 
  (b) PRI shall not be obliged to file a registration statement with respect
to any Demand Registration after the Second Anniversary nor, except as set
forth in paragraph (c) below, prior to the First Anniversary. Except as
provided in such paragraph (c), PRI shall not be obliged to file a
registration statement with respect to any Demand Registration unless
Registrable Securities having a market value of at least $5,000,000 are
requested to be included in such Demand Registration. In addition, PRI shall
not be obliged to file any Demand Registration during the 180-day period
following the effective date of the most recent registration statement filed
by PRI in which Registrable Securities have been included for the account of
one or more Holders.
 
  (c) Notwithstanding the foregoing, if (i) PRI shall not by the 90th day
following the Closing of the Merger have filed a registration statement with
respect to an underwritten offering of PRI Common (the "1998 Offering"), or if
such registration statement shall not have become effective within 45 days
(or, if such registration statement shall not be reviewed by the Securities
and Exchange Commission (the "Commission"), 15 days) after such filing, or, if
later, by the date on which PRI first publishes financial results including at
least
 
                                      C-2
<PAGE>
 
30 days of post-merger combined operation of PRI and Equipe, or (ii) such
registration statement shall have become effective by such date, but the
aggregate number of Registrable Securities included therein and in any other
Piggyback Registrations, if any, effected prior to the First Anniversary shall
have constituted less than (A) 25% of the aggregate Initial Registrable
Securities or (B) if less, all of the Registrable Securities that were
requested pursuant to Section 3 to be included in such offerings for the
account of the Holders, then in such event PRI will file a registration
statement on Form S-3 for an offering to be made on a delayed or continuous
basis (a "Demand Shelf Registration") pursuant to Rule 415, or any successor
rule, promulgated by the Commission covering that number of Registrable Shares
to be held for the accounts of the Holders as is equal to (x) 25% of the
Initial Registrable Securities, less (y) the aggregate amount of Registrable
Securities sold for the accounts of the Holders prior to the First Anniversary
pursuant to the 1998 Offering and any subsequent Piggyback Registration.
(References herein to a "Demand Registration" shall be deemed, except where
the context does not permit, to include any Demand Shelf Registration.) PRI
will use its best efforts to cause such Demand Shelf Registration to become
effective and to remain effective until the First Anniversary or, if sooner,
until all the securities registered thereunder have been sold.
 
  (d) The number of Registrable Securities included in any Demand Registration
shall be allocated pro rata among the Holders on the basis of the total number
of Registrable Securities held by each Holder; provided, that if any Holder
shall notify PRI in writing that he wishes to include in such Demand
Registration less than his pro rata share of the Registrable Securities, the
number of Registrable Securities not so included may be allocated pro rata to
the remaining Holders.
 
  4. REGISTRATION PROCEDURES.
 
  4.1. REGISTRATION BY PRI. Whenever the Holders have requested that any
Registrable Securities be registered pursuant to Sections 2 or 3 hereof, PRI
shall use its best efforts to effect the registration of Registrable
Securities in accordance with the intended method of disposition thereof as
expeditiously as practicable and, in connection with any such request, PRI
shall as expeditiously as possible:
 
    (a) furnish to each seller of Registrable Securities such number of
  copies of the registration statement, each amendment and supplement thereto
  (in each case including all exhibits thereto), the prospectus included in
  such registration statement (including each preliminary prospectus) and
  such other documents as each seller may reasonably request in order to
  facilitate the disposition of the Registrable Securities owned by such
  seller;
 
    (b) use its best efforts to register or qualify such Registrable
  Securities under such other securities or "blue sky" laws of such
  jurisdictions as any seller or underwriter reasonably requests in writing
  and to do any and all other acts and things that may be reasonably
  necessary or advisable to register or qualify for sale in such
  jurisdictions the Registrable Securities owned by such seller; provided,
  however, that PRI shall not be required to (i) qualify generally to do
  business in any jurisdiction where it is not then so qualified, (ii)
  subject itself to taxation in any such jurisdiction, (iii) consent to
  general service of process in any such jurisdiction or (iv) provide any
  undertaking required by such other securities or "blue sky" laws or make
  any change in its charter or by-laws that the Board of Directors of PRI
  determines in good faith to be contrary to the best interest of PRI and its
  stockholders;
 
    (c) use its best efforts to cause the Registrable Securities covered by
  such registration statement to be registered with or approved by such other
  governmental agencies or authorities as may be necessary by virtue of the
  business and operations of PRI to enable the seller or sellers thereof or
  the underwriters, if any, to consummate the disposition of such Registrable
  Securities;
 
    (d) notify each seller of such Registrable Securities at any time when a
  prospectus relating thereto is required to be delivered under the
  Securities Act of the happening of any event as a result of which the
  prospectus included in such registration statement contains an untrue
  statement of a material fact or omits to state any material fact required
  to be stated therein or necessary to make the statements therein, in light
  of the circumstances under which they were made, not misleading, and
  prepare and file with the Commission a supplement or amendment to such
  prospectus so that, as thereafter delivered to the purchasers
 
                                      C-3
<PAGE>
 
  of such Registrable Securities, such prospectus will not contain an untrue
  statement of a material fact or omit to state any material fact required to
  be stated therein or necessary to make the statements therein, in light of
  the circumstances under which they were made, not misleading, provided that
  prior to the filing of such supplement or amendment, PRI will furnish
  copies thereof to the Holders, any underwriters and counsel for the Holders
  and will not file such supplement or amendment without the prior consent of
  such counsel, which consent shall not be unreasonably withheld;
 
    (e) enter into customary agreements (including an underwriting agreement
  in customary form, if the offering is an underwritten offering) and take
  such other actions as are reasonably required in order to expedite or
  facilitate the disposition of such Registrable Securities;
 
    (f) make available for inspection by any seller of Registrable
  Securities, any underwriter participating in any disposition pursuant to
  such registration statement and any attorney, accountant or other agent
  retained by any such seller or underwriter (collectively, the
  "Inspectors"), all financial and other records, pertinent corporate
  documents and properties of PRI (collectively, the "Records") as shall be
  reasonably necessary to enable them to exercise their due diligence
  responsibility, and cause PRI's officers, directors, employees and agents
  to supply all information reasonably requested by any such Inspector in
  connection with such registration statement. Records that PRI determines,
  in good faith, to be confidential and that it notifies the Inspectors are
  confidential shall not be disclosed by the Inspectors unless (i) the
  disclosure of such Records is, in the reasonable judgment of any Inspector,
  necessary to avoid or correct a misstatement or omission of a material fact
  in the registration statement or (ii) the release of such Records is
  ordered pursuant to a subpoena or other order from a court or governmental
  agency of competent jurisdiction or required (in the written opinion of
  counsel to such seller or underwriter, which counsel shall be reasonably
  acceptable to PRI) pursuant to applicable state or federal law. Each seller
  of Registrable Securities agrees that it will, upon learning that
  disclosure of such Records are sought by a court or governmental agency,
  give notice to PRI and allow PRI, at PRI's expense, to undertake
  appropriate action to prevent disclosure of the Records deemed
  confidential;
 
    (g) if such sale is pursuant to an underwritten offering, use reasonable
  efforts to obtain a "cold comfort" letter and legal opinion and updates
  thereof from PRI's independent public accountants and counsel, in customary
  form and covering such matters of the type customarily covered by such
  "cold comfort" letters and opinions as the managing underwriter or
  underwriters reasonably request;
 
    (h) otherwise use best efforts to comply with all applicable rules and
  regulations of the Commission, and make generally available to its security
  holders, as soon as reasonably practicable, an earnings statement covering
  a period of twelve months, beginning within three months after the
  effective date of the registration statement, which earnings statement
  shall satisfy the provisions of Section 11(a) of the Securities Act; and
 
    (i) use its best efforts to cause all Registrable Securities covered by
  the registration statement to be listed on each securities exchange or
  market, if any, on which similar securities issued by PRI are then listed,
  provided that the applicable listing requirements are satisfied.
 
  4.2. PARTICIPATION IN UNDERWRITTEN REGISTRATIONS. No person may participate
in any underwritten registration hereunder unless such person (i) agrees to
sell such person's securities on the basis provided in any underwriting
agreements approved by the persons entitled hereunder to approve such
arrangements and (ii) completes and executes all questionnaires, powers of
attorney, indemnities, underwriting agreements and other documents reasonably
required under the terms of such underwriting arrangements. PRI may require
each seller or prospective seller of Registrable Securities as to which any
registration is being effected to furnish to PRI such information regarding
the distribution of such securities and other matters as may be required to be
included in the registration statement. Each Holder agrees that, at the
reasonable request of the managing underwriter or underwriters of any offering
made pursuant hereto, such Holder will enter into an agreement (a "lock-up
agreement") not to effect any public distribution or sale of PRI Common during
such period following such Offering and upon such terms as are not less
favorable to the Holder than the terms of the lock-up agreements agreed to by
PRI with such managing underwriter or underwriters with respect to itself and
by each officer or director of PRI who beneficially owns 1% or more of the
outstanding PRI Common.
 
                                      C-4
<PAGE>
 
  4.3. UNDERWRITERS' CUTBACK. Anything to the contrary in Sections 2 and 3
notwithstanding, if the managing underwriter or underwriters of a proposed
underwritten offering advise PRI in writing that in its or their opinion a
limitation on the number of Registrable Securities proposed to be sold in such
offering is necessary to effect an orderly public distribution of, and to
maintain a stable market for, the PRI Common, then in such event the number of
Registrable Securities sold in such Offering shall be limited as necessary in
order to effect an orderly public distribution of, and to maintain a stable
market for, the PRI Common. In such event, the number of Registrable
Securities, if any, to be offered for the accounts of Holders and the number
of shares of PRI Common, if any, offered for the account of officers and
directors of PRI other than the Holders and other persons, if any, entitled by
contract to include PRI Common in such registration (collectively, "Other
Holders") shall be reduced pro rata on the basis of the relative number of
Registrable Securities or PRI Common, as the case may be, requested by each
such Holder and Other Holder to be included in such registration, to the
extent necessary to reduce the total number of Registrable Securities and PRI
Common to be included in such offering for the account of such Holders and
Other Holders to the number recommended by such managing underwriter or
underwriters.
 
  4.4. AMENDMENTS AND SUPPLEMENTS TO PROSPECTUS. Each Holder agrees that, upon
receipt of any notice from PRI of the happening of any event of the kind
described in Section 4.1(d), such Holder shall forthwith discontinue
disposition of Registrable Securities pursuant to the registration statement
covering such Registrable Securities until such Holder's receipt of the copies
of the supplemented or amended prospectus contemplated by Section 4.1(d) and,
if so directed by PRI, such Holder shall deliver to PRI (at PRI's expense) all
copies, other than permanent file copies then in such Holder's possession, of
the prospectus covering such Registrable Securities current at the time of
receipt of such notice. If PRI shall give any such notice, PRI shall extend
the period during which such registration statement shall be maintained
effective pursuant to this Agreement by the number of days during the period
from and including the date of the giving of such notice pursuant to Section
4.1(d) to and including the date when each seller of Registrable Securities
covered by such registration statement shall have received the copies of the
supplemented or amended prospectus contemplated by Section 4.1(d).
Notwithstanding anything to the contrary set forth above in this paragraph,
PRI agrees that it may not require the Holders of Registrable Securities to
discontinue disposition of Registrable Securities for purposes of effecting a
public offering of any securities of PRI by any of its securityholders (other
than an offering made pursuant to a registration on Form S-8).
 
  4.5. DEFERRAL OF FILING, AMENDMENT OR SUPPLEMENTATION OF REGISTRATION
STATEMENT. If PRI shall furnish to the Holders a certificate signed by the
Chief Financial Officer of PRI stating that in the good faith judgment of the
Board of Directors of PRI it would be significantly disadvantageous to PRI and
its stockholders for any such registration statement to be filed, amended or
supplemented because PRI would be required to disclose in such registration
statement, either directly or through incorporation by reference, non-public
information that it would not otherwise be obligated to disclose at such time,
then in such event, but no more than twice in any 365-day period, PRI may
defer the filing, amending or supplementing of such registration statement for
not more than 45 days and in the case of a Demand Shelf Registration, the
Holders shall be required to discontinue disposition of any Registrable
Securities covered by such registration statement during such period.
 
  5. EXPENSES. PRI shall pay all expenses incident to its performance of or
compliance with this Agreement, regardless of whether such registration
becomes effective, including (a) all Commission, stock exchange or market
registration and filing fees, (b) all fees and expenses incurred in complying
with securities or "blue sky" laws (including reasonable fees and
disbursements of counsel in connection with "blue sky" qualifications of the
Registrable Securities), (c) all printing, messenger and delivery expenses,
(d) all fees and disbursements of PRI's independent public accountants and
counsel and (e) all fees and expenses of any special experts retained by PRI
in connection with any registration pursuant to the terms of this Agreement;
provided, however, that the Holders shall be liable for (i) any fees or
commissions of brokers, dealers or underwriters, (ii) any transfer taxes and
(iii) any fees or expenses of consultants, financial advisors, counsel and
other professionals acting on behalf of the Holders in connection with any
registration pursuant to the terms of this Agreement.
 
                                      C-5
<PAGE>
 
  6. INDEMNIFICATION; CONTRIBUTION.
 
  6.1. INDEMNIFICATION BY PRI. PRI agrees to indemnify, to the fullest extent
permitted by law, each Holder and each person, if any, who controls such
Holder (within the meaning of the Securities Act), against any and all losses,
claims, damages, liabilities and expenses caused by any untrue or alleged
untrue statement of material fact contained in any registration statement,
prospectus or preliminary prospectus or any amendment thereof or supplement
thereto or any omission or alleged omission to state therein a material fact
required to be stated therein or necessary to make the statements therein (in
the case of a prospectus, in light of the circumstances under which they were
made) not misleading, except insofar as the same are caused by or contained in
any information with respect to such Holder furnished in writing to PRI by
such Holder expressly for use therein or by such Holder's failure to deliver a
copy of the prospectus or any supplements thereto after PRI has furnished such
Holder with a sufficient number of copies of the same or by the delivery of
prospectuses by such Holder after PRI notified such Holder in writing to
discontinue delivery of prospectuses. PRI also shall indemnify any
underwriters of the Registrable Securities, their officers and directors and
each person who controls such underwriters (within the meaning of the
Securities Act) to the same extent as provided above with respect to the
indemnification of the Holders.
 
  6.2. INDEMNIFICATION BY HOLDERS. In connection with any registration
statement in which a Holder is participating, each such Holder shall furnish
to PRI in writing such information and affidavits with respect to such Holder
as PRI reasonably requests for use in connection with any such registration
statement or prospectus and agrees to indemnify, severally and not jointly, to
the fullest extent permitted by law, PRI, its officers, directors and agents
and each person, if any, who controls PRI (within the meaning of the
Securities Act) against any and all losses, claims, damages, liabilities and
expenses resulting from any untrue or alleged untrue statement of a material
fact or any omission or alleged omission of a material fact required to be
stated in any registration statement, prospectus or preliminary prospectus or
any amendment thereof or supplement thereto or necessary to make the
statements therein (in the case of a prospectus, in light of the circumstances
under which they were made) not misleading, to the extent, but only to the
extent, that such untrue or alleged untrue statement or omission is contained
in or improperly omitted from, as the case may be, any information or
affidavit with respect to such Holder so furnished in writing by such Holder;
provided, however, that each such Holder's obligation hereunder shall be
limited to the amount of the net proceeds received by such Holder for its
Registrable Securities sold in such registration. Each Holder also shall
indemnify any underwriters of the Registrable Securities, their officers and
directors and each person who controls such underwriters (within the meaning
of the Securities Act) to the same extent as provided above with respect to
the indemnification of PRI.
 
  6.3. CONDUCT OF INDEMNIFICATION PROCEEDINGS. Any party that proposes to
assert the right to be indemnified under this Section 6 shall, promptly after
receipt of notice of commencement of any action against such party in respect
of which a claim is to be made against an indemnifying party or parties under
this Section 6, notify each such indemnifying party of the commencement of
such action, enclosing a copy of all papers served, but the omission so to
notify such indemnifying party will not relieve it from any liability that it
may have to any indemnified party under the foregoing provisions of this
Section 6 unless, and only to the extent that, such omission results in the
forfeiture of substantive rights or defenses by the indemnifying party. If any
such action is brought against any indemnified party and it notifies the
indemnifying party of its commencement, the indemnifying party will be
entitled to participate in and, to the extent that it elects by delivering
written notice to the indemnifying party promptly after receiving notice of
the commencement of the action from the indemnified party, jointly with any
other indemnifying party similarly notified, to assume the defense of the
action, with counsel reasonably satisfactory to the indemnified party, and
after notice from the indemnifying party to the indemnified party of its
election to assume the defense, the indemnifying party will not be liable to
the indemnified party for any legal or other expenses incurred thereafter
except as provided below and except for the reasonable costs of investigation
subsequently incurred by the indemnified party in connection with the defense.
If the indemnifying party assumes the defense, the indemnifying party shall
have the right to settle such action without the consent of the indemnified
party; provided, however, that the indemnifying party shall be required to
obtain such consent (which consent shall not be unreasonably withheld) if the
settlement includes any admission of wrongdoing on the part of the indemnified
party or any decree or restriction on the indemnified
 
                                      C-6
<PAGE>
 
party or its officers or directors; provided, further, that no indemnifying
party, in the defense of any such action, shall, except with the consent of
the indemnified party (which consent shall not be unreasonably withheld),
consent to entry of any judgment or enter into any settlement that does not
include as an unconditional term thereof the giving by the claimant or
plaintiff to such indemnified party of a release from all liability with
respect to such action. The indemnified party will have the right to employ
its own counsel in any such action, but the fees, expenses and other charges
of such counsel will be at the expense of such indemnified party unless (a)
the employment of counsel by the indemnified party has been authorized in
writing by the indemnifying party, (b) the indemnified party has reasonably
concluded (based on advice of counsel) that there may be legal defenses
available to it or other indemnified parties that are different from or in
addition to those available to the indemnifying party, (c) a conflict or
potential conflict exists (based on advice of counsel to the indemnified
party) between the indemnified party and the indemnifying party (in which case
the indemnifying party will not have the right to direct the defense of such
action on behalf of the indemnified party) or (d) the indemnifying party has
not in fact employed counsel to assume the defense of such action within a
reasonable time after receiving notice of the commencement of the action, in
each of which cases the reasonable fees, disbursements and other charges of
counsel will be at the expense of the indemnifying party or parties. It is
understood that the indemnifying party or parties shall not, in connection
with any proceeding or related proceedings in the same jurisdiction, be liable
for the reasonable fees, disbursements and other charges of more than one
separate firm admitted to practice in such jurisdiction at any one time from
all such indemnified party or parties unless (x) the employment of more than
one counsel has been authorized in writing by the indemnifying party or
parties, (y) an indemnified party has reasonably concluded (based on advice of
counsel) that there may be legal defenses available to it that are different
from or in addition to those available to the other indemnified parties or (z)
a conflict or potential conflict exists (based on advice of counsel to an
indemnified party) between such indemnified party and the other indemnified
parties, in each of which cases the indemnifying party shall be obligated to
pay the reasonable fees and expenses of such additional counsel or counsels.
An indemnifying party will not be liable for any settlement of any action or
claim effected without its written consent (which consent shall not be
unreasonably withheld).
 
  6.4. CONTRIBUTION. If the indemnification provided for in this Section 6
from the indemnifying party is held unenforceable, although otherwise
applicable in accordance with its terms, in respect of any losses, claims,
damages, liabilities or expenses referred to herein, then the indemnifying
party, to the extent such indemnification is held unenforceable, in lieu of
indemnifying such indemnified party, shall contribute to the amount paid or
payable by such indemnified party as a result of such losses, claims, damages,
liabilities or expenses in such proportion as is appropriate to reflect the
relative fault of the indemnifying party, on the one hand, and indemnified
parties, on the other, in connection with the actions that resulted in such
losses, claims, damages, liabilities or expenses. The relative fault of such
indemnifying party and indemnified parties shall be determined by reference
to, among other things, whether any action in question, including any untrue
or alleged untrue statement of a material fact or omission or alleged omission
to state a material fact, has been made by, or relates to information supplied
by, such indemnifying party or indemnified parties, and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such action. The amount paid or payable by a party as a result of the losses,
claims, damages, liabilities and expenses referred to above shall be deemed to
include, subject to the limitations set forth in Section 6.3 hereof, any legal
or other fees or expenses reasonably incurred by such party in connection with
any investigation or proceeding. Notwithstanding the foregoing, no Holder will
be required to contribute any amount in excess of the amount of net proceeds
received by such Holder for its Registrable Securities sold pursuant to the
registration statement.
 
  The parties hereto agree that it would not be just and equitable if
contribution pursuant to this Section 6.4 were determined by pro rata
allocation or by any other method of allocation that does not take account of
the equitable considerations referred to in the immediately preceding
paragraph. No person guilty of fraudulent misrepresentation (within the
meaning of Section 11(f) of the Securities Act) shall by entitled to
contribution from any person.
 
  If indemnification is available under this Section 6 and not held
unenforceable, the indemnifying parties shall indemnify each indemnified party
to the full extent provided in Sections 6.1 and 6.2 hereof without regard to
the relative fault of said indemnifying parties or indemnified party.
 
                                      C-7
<PAGE>
 
  7. RULE 144. PRI covenants that it shall use its best efforts to file the
reports required to be filed by it under the Securities Exchange Act of 1934,
as amended, and the rules and regulations of the Commission thereunder if and
when PRI becomes obligated to file such reports, and it shall, if feasible,
take such further action as any Holder may reasonably request, all to the
extent required from time to time to enable such Holder to sell Registrable
Securities without registration under the Securities Act within the limitation
of the exemptions provided by (a) Rule 144 under the Securities Act, as such
Rule may be amended from time to time, or (b) any similar rules or regulations
hereafter adopted by the Commission. Upon the written request of any Holder,
PRI shall deliver to such Holder a written statement as to whether it has
complied with such requirements.
 
  8. MISCELLANEOUS.
 
  8.1. REMEDIES. Each Holder, in addition to being entitled to exercise all
rights granted by law, including recovery of damages, will be entitled to
specific performance of its rights under this Agreement. PRI agrees that
monetary damages would not be adequate compensation for any loss incurred by
reason of a breach by it of the provisions of this Agreement and hereby agrees
to waive the defense in any action for specific performance that a remedy at
law would be adequate.
 
  8.2. AMENDMENTS AND WAIVERS. Except as otherwise provided herein, the
provisions of this Agreement may not be amended, modified or supplemented, and
waivers or consents to departures from the provisions hereof may not be given,
unless PRI has obtained the written consent of the Holders that own, in the
aggregate, at least a majority of the Registrable Securities then outstanding.
 
  8.3. NOTICES. Any notice, request, instruction or other document to be given
hereunder by any party to the other shall be in writing and delivered
personally or sent by certified mail, postage prepaid, by facsimile (with
receipt confirmed), or by overnight courier service, as follows:
 
    To PRI:           PRI Automation, Inc.
                      805 Middlesex Turnpike
                      Billerica, Massachusetts 01821
                      Fax: (978) 671-9430
                      Attention: Chief Financial Officer
 
                      With a copy to:
 
                      Foley, Hoag & Eliot LLP
                      One Post Office Square
                      Boston, Massachusetts 02109
                      Fax: (617) 832-7000
                      Attention: Robert L. Birnbaum, Esq.
 
    To any Holder:    James Cameron
                      Paul Rogan
                      c/o Equipe Technologies, Inc.
                      733 North Pastoria Avenue
                      Sunnyvale, California 94086
                      Fax: (408) 522-0358
 
                      With a copy to:
 
                      Brobeck, Phleger & Harrison LLP
                      Spear Street Tower
                      One Market
                      San Francisco, California 94105
                      Fax: (415) 442-1010
                      Attention: Michael J. Kennedy, Esq.
 
or to such other persons as may be designated in writing by the parties, by a
notice given as aforesaid.
 
                                      C-8
<PAGE>
 
  All such notices, requests, instructions and other documents shall be deemed
delivered (i) upon receipt if personally delivered, (ii) on the next day
following transmittal if sent by facsimile, (iii) one day after delivery to an
overnight courier service for next day delivery if sent by overnight courier,
or (iv) three days after mailing if sent by certified mail, postage prepaid.
 
  8.4. CONSTRUCTION. The headings in this Agreement are included only for
convenience and shall not affect the meaning or interpretation of this
Agreement. The words "herein" and "hereof" and other words of similar import
refer to this Agreement as a whole and not to any particular part of this
Agreement. The word "including" as used herein shall not be construed so as to
exclude any other thing not referred to or described.
 
  8.5. SUCCESSORS AND ASSIGNS. This Agreement shall inure to the benefit of
and be binding upon the Holders and the successors and assigns of PRI.
 
  8.6. ENTIRE AGREEMENT, ASSIGNABILITY, ETC. This Agreement (i) constitutes
the entire agreement, and supersedes all other prior agreements and
understandings, both written and oral, between the parties with respect to the
subject matter hereof, (ii) is not intended to confer upon any Person other
than the parties hereto any rights or remedies hereunder, except as otherwise
expressly provided herein, and (iii) shall not be assignable by operation of
law or otherwise except to each Stockholder's heirs upon such Stockholder's
death. No provisions of this Agreement are intended, nor will be interpreted,
to provide or create any third party beneficiary rights or any other rights of
any kind in any client, customer, affiliate, stockholder, partner or employee
of any party hereto or any other Person unless specifically provided otherwise
herein, and, except as so provided, all provisions hereof will be personal
solely between the parties to this Agreement.
 
  8.7. VALIDITY. The invalidity or unenforceability of any provisions of this
Agreement shall not affect the validity or enforceability of any other
provisions of this Agreement, each of which shall remain in full force and
effect.
 
  8.8. GOVERNING LAW. This agreement shall be governed by the laws of the
Commonwealth of Massachusetts.
 
  8.9. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original but all of which
together shall constitute one and the same instrument.
 
                                     * * *
 
  In Witness Whereof, the parties have duly executed this Agreement as of the
date first above written.
 
                                          PRI Automation, Inc.
 
                                          By: _________________________________
 
                                          Initial Holders
 
                                                            *
                                          -------------------------------------
                                          PATRICK ALLEN
 
                                          -------------------------------------
                                          JAMES CAMERON
 
                                          -------------------------------------
                                          RALPH CAMERON
 
 
                                      C-9
<PAGE>
 
                                          -------------------------------------
                                          RUTH CAMERON
 
                                                            *
                                          -------------------------------------
                                          JOHN HOCTOR
 
                                                            *
                                          -------------------------------------
                                          MASAHIRO KADOWAKI
 
                                          -------------------------------------
                                          FRANTISEK PAVLIK
 
                                                            *
                                          -------------------------------------
                                          MARIO PLASCENCIA
 
                                          -------------------------------------
                                          PAUL ROGAN
 
                                          -------------------------------------
                                          LUBOMIR SKROBAK
 
                                          -------------------------------------
                                          STEVEN THE
 
                                                            *
                                          -------------------------------------
                                          HIDEO UKAI
 
                                                            *
                                          -------------------------------------
                                          MIKINORI YASUDA
 
                                                            *
                                          -------------------------------------
                                          HIDETSUGU YOKOI
 
                                          *By: ________________________________
                                             JAMES CAMERON, ATTORNEY-IN-FACT
 
                                             ----------------------------------
                                             PAUL ROGAN, ATTORNEY-IN-FACT
 
                                      C-10
<PAGE>
 
                    INCORPORATION OF DOCUMENTS BY REFERENCE
 
  PRI hereby incorporates by reference into this Proxy Statement the following
documents previously filed with the Commission pursuant to the Exchange Act:
 
  1. PRI's Annual Report on Form 10-K for the fiscal year ended September 30,
     1996, as amended;
 
  2. PRI's Quarterly Report on Form 10-Q for the quarter ended December 29,
     1996;
 
  3. PRI's Quarterly Report on Form 10-Q for the quarter ended March 30, 1997;
 
  4. PRI's Quarterly Report on Form 10-Q for the quarter ended June 29, 1997;
 
  5. PRI's Current Report on Form 8-K dated April 23, 1997;
 
  6. PRI's Current Report on Form 8-K dated November 10, 1997, as amended on
     December 12, 1997; and
 
  7. All other reports and other documents filed by PRI pursuant to Section
     13(a) or 15(d) of the Exchange Act since September 30, 1996.
 
  In addition, all reports and other documents filed by PRI pursuant to
Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this
Proxy Statement and prior to the Special Meeting shall be deemed to be
incorporated by reference into this Proxy Statement and to be a part of this
Proxy Statement from the date of filing of such reports and documents. Any
statement contained in this Proxy Statement or in a document incorporated or
deemed to be incorporated by reference in this Proxy Statement shall be deemed
to be modified or superseded for purposes of this Proxy Statement to the
extent that a statement contained in this Proxy Statement or in any other
subsequently filed document that also is incorporated or deemed to be
incorporated by reference in this Proxy Statement modifies or supersedes such
statement. Any such statement so modified or superseded shall not be deemed,
except as so modified or superseded, to constitute a part of this Proxy
Statement.
 
  THIS PROXY STATEMENT INCORPORATES BY REFERENCE DOCUMENTS THAT PRI HAS FILED
WITH THE COMMISSION WHICH ARE NOT PRESENTED HEREIN OR DELIVERED HEREWITH.
THESE DOCUMENTS (OTHER THAN EXHIBITS TO SUCH DOCUMENTS, UNLESS SUCH EXHIBITS
ARE SPECIFICALLY INCORPORATED BY REFERENCE HEREIN) ARE AVAILABLE, WITHOUT
CHARGE, UPON WRITTEN OR ORAL REQUEST BY ANY PERSON TO WHOM THIS PROXY
STATEMENT IS DELIVERED, INCLUDING ANY BENEFICIAL OWNER, TO: PRI AUTOMATION,
INC., 805 MIDDLESEX TURNPIKE, BILLERICA, MASSACHUSETTS 01821-3986 (TELEPHONE
NO.: (978) 670-4270), ATTENTION: CLERK. IN ORDER TO ENSURE TIMELY DELIVERY OF
THE DOCUMENTS BEFORE THE SPECIAL MEETING, ANY REQUEST SHOULD BE MADE BEFORE
JANUARY 9, 1998.
<PAGE>
 
          
                             PRI AUTOMATION, INC.
 
          805 MIDDLESEX TURNPIKE, BILLERICA, MASSACHUSETTS 01821-3986
 
   PROXY FOR SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON JANUARY 16, 1998

The undersigned hereby constitutes and appoints Mordechai Wiesler, Mitchell G.
Tyson and Stephen D. Allison, and each of them acting singly, as proxies of
the undersigned, with full power to appoint his substitute, and authorizes
each of them, and each substitute so appointed, to represent and vote all
shares of Common Stock of PRI Automation, Inc., a Massachusetts corporation
("PRI"), held of record by the undersigned at the close of business on
December 9, 1997, at the Special Meeting of Stockholders of PRI to be held at
the offices of Foley, Hoag & Eliot LLP, One Post Office Square, Boston,
Massachusetts on January 16, 1998, at 10:00 a.m., local time, and at any
adjournments or postponements thereof. 

When properly executed, this proxy will be voted in the manner directed herein
by the undersigned stockholder(s). THIS PROXY IS BEING SOLICITED ON BEHALF OF
THE BOARD OF DIRECTORS OF PRI. IF NO DIRECTION IS GIVEN, THIS PROXY WILL BE
VOTED FOR THE PROPOSAL TO APPROVE THE ISSUANCE OF SHARES OF COMMON STOCK IN
      --- 
CONNECTION WITH THE ACQUISITION OF EQUIPE TECHNOLOGIES, INC. AND RELATED
CORPORATIONS, FOR THE PROPOSAL TO AMEND PRI'S AMENDED AND RESTATED ARTICLES OF
              ---
ORGANIZATION TO INCREASE THE NUMBER OF AUTHORIZED SHARES OF COMMON STOCK, AND
OTHERWISE IN THE DISCRETION OF THE PERSONS NAMED AS PROXIES AS TO SUCH OTHER
MATTERS AS MAY PROPERLY COME BEFORE THE SPECIAL MEETING. A stockholder wishing
to vote in accordance with the recommendations of the Board of Directors need
only sign and date this proxy and return it in the enclosed envelope. 

The undersigned hereby acknowledge(s) receipt of a copy of the accompanying
Notice of Special Meeting of Stockholders and the Proxy Statement relating
thereto, and hereby revoke(s) any proxy heretofore given. This proxy may be
revoked at any time before it is exercised.
 
  -----------------------------------------------------------------------
 
   PLEASE VOTE, DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN THE ENCLOSED
                                   ENVELOPE.
 
 
 Please sign this proxy exactly as your name(s) appear(s) on your stock
 certificate. If the stock is registered in the names of two or more
 persons, each should sign. When signing as an executor, administrator,
 trustee, guardian, or attorney, please give full title as such. If a
 corporation, please sign in full corporate name by an authorized officer.
 If a partnership, please sign in full partnership name by an authorized
 person.
 
 
HAS YOUR ADDRESS CHANGED?             DO YOU HAVE ANY COMMENTS?


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

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

<PAGE>
 
[X]PLEASE MARK VOTES 
   AS IN THIS EXAMPLE

- -------------------------------- 
       PRI AUTOMATION, INC.        1. Proposal to approve the issuance of
- --------------------------------      shares of Common Stock pursuant to (i)
                                      the Agreement and Plan of Reorganization
                                      dated as of October 25, 1997 among PRI,
                                      E-Acquisition Corp., Equipe
                                      Technologies, Inc. and certain
                                      stockholders of Equipe Technologies,
                                      Inc.; (ii) the Stock Purchase Agreement
                                      dated as of October 25, 1997 among PRI
                                      and the stockholders of E-Machine, Inc.,
                                      and (iii) the Stock Purchase Agreement
                                      dated as of October 25, 1997 among PRI
                                      and the stockholders of Equipe Japan
                                      Corporation.
 
RECORD DATE SHARES:
 
                                          FOR    AGAINST     ABSTAIN
                                           [_]       [_]         [_]
 
                                   2. Proposal to amend PRI's Amended and
                                      Restated Articles of Organization to
                                      increase the number of authorized shares
                                      of Common Stock from 24,000,000 to
                                      50,000,000 shares.
 
                                          FOR    AGAINST     ABSTAIN
                                           [_]       [_]         [_]
 
Please be sure to sign 
and date this Proxy.    Date:             Mark box at right if an address
                                          change or comment has been noted on
                                          the reverse side of this card
 
- ----------------------- ------------------ 
  Stockholder sign here Co-Owner sign here                               [_]
                                             
                                          Mark box at right if you plan to
                                          attend the Special Meeting.     
                                                                         [_]
 
          DETACH CARD                               DETACH CARD
<PAGE>
 
                       
                    REPORT OF INDEPENDENT ACCOUNTANTS     
   
To the Board of Directors and Stockholders of     
   
PRI Automation, Inc.:     
   
  We have audited the accompanying consolidated balance sheets of PRI
Automation, Inc. as of September 30, 1996 and 1995, and the related
consolidated statements of operations, stockholders' equity, and cash flows
for each of the three years in the period ended September 30, 1996. These
financial statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.     
   
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.     
   
  In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of PRI
Automation, Inc. as of September 30, 1996 and 1995, and the consolidated
results of its operations and its cash flows for each of the three years in
the period ended September 30, 1996, in conformity with generally accepted
accounting principles.     
                                             
                                          /s/ COOPERS & LYBRAND L.L.P.     

                                             
                                          COOPERS & LYBRAND L.L.P.     
   
Boston, Massachusetts     
   
November 6, 1996     


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