COMNET CORP
S-4/A, 1998-07-01
PREPACKAGED SOFTWARE
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    - As filed with the Securities and Exchange Commission on June 29, 1998
                             - Registration No. 333-58043

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                              --------------------
                                Amendment No. 1
                                       To
                                    FORM S-4
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933
                              --------------------
                               COMNET CORPORATION
             (Exact name of Registrant as specified in its charter)

<TABLE>
<CAPTION>
<S>                                         <C>                                <C>
              Delaware                                 7372                                52-0852578
   (State or other jurisdiction of          (Primary Standard Industrial       (I.R.S. Employer Identification No.)
    incorporation or organization)           Classification Code Number)
</TABLE>
 
     4200 Parliament Place, Suite 600, Lanham, MD 20706-1481, 301-918-0400
(Address,  including zip code,  and telephone  number,  including  area code, of
registrant's principal executive offices)

                                 Robert S. Bowen
                               COMNET CORPORATION
                        4200 Parliament Place, Suite 600
                              Lanham, MD 20706-1481
                                 (301) 918-0400

(Name, address,  including zip code, and telephone number,  including area code,
of agent for service)

                                 With a copy to:
                            Louis J. Bevilacqua, Esq.
                          Cadwalader, Wickersham & Taft
                                 100 Maiden Lane
                               New York, NY 10038

     Approximate date of commencement of proposed sale to the public: As soon as
practicable following the effectiveness of this Registration Statement.

     If any  securities  being  registered  on this  Form are being  offered  in
connection  with the formation of a holding company and there is compliance with
General Instruction G, check the following box. |_|

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

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

     THE REGISTRANT  HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR
     DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE  DATE UNTIL THE REGISTRANT
     SHALL  FILE  A  FURTHER  AMENDMENT  WHICH  SPECIFICALLY  STATES  THAT  THIS
     REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
     SECTION  8(A) OF THE  SECURITIES  ACT OF 1933 OR  UNTIL  THIS  REGISTRATION
     STATEMENT  SHALL BECOME  EFFECTIVE ON SUCH DATE AS THE  COMMISSION,  ACTING
     PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.

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



<PAGE>

           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: 
[X] Preliminary  Proxy  Statement 
[ ] Definitive  Proxy Statement 
[ ] Definitive  Additional  Materials 
[ ] Soliciting Material Pursuant to Rules 14a-11(c) or 14a-12

                              Group, Software, Inc.
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):
[ ] No fee required.
[X] Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

     1) Title of each class of securities to which transaction applies:

                        Common Stock, $.01 par value, of
                             GROUP 1 SOFTWARE, INC.
- --------------------------------------------------------------------------------

     2) Aggregate number of securities to which transaction applies: 4,293,697 

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

     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 fees is calculated and state how it was determined.)

          1.15 (the "Exchange Ratio" in  the  "Merger") of $13.1875, the average
          price per share of Common Stock on June 25, 1998.

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

     4)   Proposed maximum aggregate value of transaction:  $65,116,598

     5)   Total fee paid:  $3,525.55



[X] 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 filling by registration  statement number, or
the Form or Schedule and the date of its filing.

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

     1)   Amount Previously Paid:  $3,525.55
  
- --------------------------------------------------------------------------------

     2)   Form, Schedule or Registration  Statement No.: Registration  Statement
          on Form S-4 (File No. 333-58043)

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

     3)   Filing Party:  COMNET Corporation

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

     4)   Date Filed:  June 29, 1998

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

<PAGE>


                               COMNET CORPORATION

                              CROSS REFERENCE SHEET
       Furnished Pursuant to Rule 404(a) and Item 501(b) of Regulation S-K
<TABLE>
<CAPTION>

Registration Statement Item                                 Location or Caption in
Number and Caption                                          Proxy Statement Prospectus
- ------------------                                          --------------------------
<S>                                                         <C>
A.   INFORMATION ABOUT THE TRANSACTION

     1.  Forepart of Registration Statement and             Facing Page of the Registration Statement; Cross
         Outside Front Cover Page of Prospectus.......      Reference Sheet; and Outside Front Cover Page of Proxy
                                                            Statement Prospectus

     2.  Inside Front and Outside Back Cover Pages          Inside Front Cover Page of Proxy Statement Prospectus;
         of Prospectus................................      and Outside Back Cover Page of Proxy Statement
                                                            Prospectus

     3.  Risk Factors, Ratio of Earnings to Fixed Charges   Summary; Risk Factors; and Description of the Companies
         and Other Information........................
                                                            Summary; The Proposed Merger; Description of COMNET
     4.  Terms of the Transaction.....................      Common Stock; and Comparison of Stockholder Rights
                                                            Pro Forma Combined Condensed Financial Statements
     5.  Pro Forma Financial Information..............

     6.  Material Contacts With the Company                 Summary; and The Proposed Merger
         Being Acquired...............................

     7.  Additional Information Required for Reoffering
         by Persons and Parties Deemed                                                 *
         To Be Underwriters...........................
                                                                                       *
     8. Interests of Named Experts and Counsel.......

     9.  Disclosure of Commission Position on
         Indemnification for Securities Act                                            *
         Liabilities..................................

B.   INFORMATION ABOUT THE REGISTRANT

     10. Information with Respect to S-3                    Summary; Description of the Companies; Pro Forma
         Companies....................................      Combined Condensed Financial Statements

     11. Incorporation of Certain Information by Reference  Incorporation by Reference

     12. Information With Respect to S-2 or S-3                                        *
         Registrants..................................

     13. Incorporation of Certain Information by Reference                             *

     14. Information With Respect to Foreign Registrants
         Other Than S-2 or S-3                                                         *
         Registrants..................................

C.   INFORMATION ABOUT THE COMPANY BEING ACQUIRED

     15. Information With Respect to S-3                    Summary; Information Concerning Group 1; and Pro Forma
         Companies....................................      Combined Condensed Financial Statements

     16. Information With Respect to S-2 or S-3 Companies                              *

     17. Information With Respect to Foreign Companies
         Other Than S-2 or S-3                                                         *
         Companies....................................

D.   VOTING AND MANAGEMENT INFORMATION

     18. Information if Proxies, Consents or                Outside Front Cover Page of Proxy Statement Prospectus;
         Authorizations Are To Be Solicited...........      Summary; The Special Meeting; The Proposed Merger;
                                                            Description of the Companies; and Solicitation of
                                                            Proxies

     19. Information if Proxies, Consents or
         Authorizations Are Not To Be Solicited                                        *
         in an Exchange Offer.........................
</TABLE>

- -----------------------------------------------
*        Item is omitted because not applicable.


<PAGE>


                               COMNET CORPORATION
                        4200 Parliament Place, Suite 600
                              Lanham, MD 20706-1481
Dear COMNET Stockholders,

     You are cordially  invited to attend the Annual Meeting of  Stockholders of
COMNET Corporation,  which will be held on September 25, 1998, at 10:30 a.m., at
One Liberty Plaza, 46th Floor, New York, New York 10292.

     At the Annual  Meeting,  you will be asked to vote on a proposal to approve
and adopt an Agreement  and Plan of Merger  providing  for the merger of Group 1
Software,  Inc.  with  and into  COMNET  (the  "Merger").  In the  Merger,  each
outstanding  share of Group 1 common stock will be  converted  into the right to
receive  1.15  shares of COMNET  common  stock.  After the Merger is  completed,
COMNET  stockholders  will own  approximately  77.9% of the shares of the merged
company  and  former   Group  1   stockholders   (excluding   COMNET)  will  own
approximately 22.1% of the shares of the merged company.

     COMNET's  Board  of  Directors  has  determined,  based on the  report  and
recommendations  of a special  commitment  appointed by the Board of  Directors,
that the  Merger is in the best  interests  of COMNET and its  stockholders.  We
believe the Merger will serve the best  interests of  stockholders  of COMNET by
increasing  the number of shares held by the public,  and by reducing  costs and
other inefficiencies as well as the market confusion related to COMNET's holding
company status. Accordingly, the Board of Directors has unanimously approved the
Agreement and Plan of Merger and related  transactions  and recommends  that you
vote in favor of COMNET's Merger with Group 1.

     In addition to the matters related to the Merger, at the Annual Meeting, we
propose to (i) amend  COMNET's  certificate  of  incorporation  to increase  the
number of shares of common stock COMNET is  authorized  to issue from 10 million
to 14 million,  (ii) elect 3 directors  to the board of  directors of the merged
company, and (iii) approve an amendment to COMNET's 1995 Non-Employee Director's
Stock Option Plan to increase the number of  authorized  shares of COMNET common
stock that may be granted under that plan to 300,000 shares.

     Your  participation  in the  Annual  Meeting,  in person  or by  proxy,  is
especially  important  because the items to be voted on are very  significant to
COMNET  and its  stockholders.  Whether  or not you plan to  attend  the  Annual
Meeting, we urge you to complete,  date, sign and return the enclosed proxy card
promptly in the enclosed  postage-paid  envelope to ensure that your shares will
be represented at the Annual Meeting.

     Thank you, and I look forward to seeing you at the Annual  Meeting.  

August__, 1998

                                        /s/Robert S. Bowen
                                        -------------------
                                        Robert S. Bowen
                                        Chief Executive Officer


<PAGE>


                               COMNET CORPORATION
                        4200 Parliament Place, Suite 600
                           Lanham, Maryland 20706-1860
                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                          To be Held September 25, 1998

To the Stockholders of COMNET Corporation:

     PLEASE  TAKE  NOTICE  that the  annual  meeting of  stockholders  of COMNET
Corporation, a Delaware corporation ("COMNET" or the "Company"), will be held on
September 25, 1998, at 10:30 a.m., at One Liberty Plaza,  46th Floor,  New York,
New York 10292 (the "Annual  Meeting"),  to consider and vote upon the following
matters described in the accompanying Proxy Statement Prospectus:

     (1) To consider and vote upon a proposal to approve and adopt the Agreement
and Plan of Merger, dated June 23, 1998 (the "Merger Agreement"), by and between
COMNET and Group 1 Software,  Inc., a Delaware  corporation  and  majority-owned
subsidiary of COMNET  ("Group 1"),  providing for the merger of Group 1 with and
into COMNET (the "Merger");

     (2) To amend COMNET's  Certificate of  Incorporation to increase the number
of shares of Common  Stock COMNET is  authorized  to issue from 10 million to 14
million;

     (3) To elect  three (3)  directors  to hold office  until the third  annual
meeting of  stockholders  of the Company  following their election and until the
election and qualification of their successors;

     (4) To amend the COMNET 1995  Non-Employee  Director's Stock Option Plan to
increase  the number of  authorized  shares of COMNET  Common  Stock that may be
granted under that plan to 300,000; and

     (5) To transact such other  business as may properly come before the Annual
Meeting or any adjournment or postponement thereof.

     Only  COMNET  stockholders  of record at the close of  business on July 27,
1998 are  entitled to receive  notice of, and to vote at, the Annual  Meeting or
any adjournment or postponement thereof.

     We hope that you will be able to attend the Annual Meeting in person.

IN ORDER TO  ASSURE A QUORUM  AND TO AVOID  THE  EXPENSE  AND  DELAY OF  SENDING
FOLLOW-UP  LETTERS,  PLEASE  FILL IN,  SIGN,  DATE AND RETURN  YOUR PROXY IN THE
ENCLOSED  ENVELOPE WHICH REQUIRES NO POSTAGE IF MAILED WITHIN THE UNITED STATES.
IF YOU ARE PRESENT AT THE ANNUAL  MEETING,  YOU MAY, IF YOU WISH,  WITHDRAW YOUR
PROXY AND VOTE YOUR SHARES PERSONALLY.


             Lanham, Maryland        By Order of the Board of Directors
             August ___, 1998                   Edward Weiss, Secretary


<PAGE>


                               COMNET CORPORATION
             THIS PROXY IS BEING SOLICITED BY THE BOARD OF DIRECTORS
                     FOR THE ANNUAL MEETING OF STOCKHOLDERS
                        TO BE HELD ON SEPTEMBER 25, 1998

     The undersigned hereby appoints Edward Weiss and Mark D. Funston,  and each
of them, with full power of  substitution,  proxies to vote all shares of Common
Stock of COMNET CORPORATION,  a Delaware  corporation (the "Company"),  owned by
the  undersigned at the Annual Meeting of Stockholders to be held at One Liberty
Plaza,  46th Floor,  New York,  New York 10292,  on September 25, 1998, at 10:30
a.m., local time, and at any and all adjournments or postponements  thereof,  as
follows:

     1. Approval and adoption of the  Agreement  and Plan of Merger,  dated June
23,  1998 (the  "Merger  Agreement"),  by and  between  the  Company and Group 1
Software,  Inc., a Delaware  corporation and a majority-owned  subsidiary of the
Company  ("Group  1"),  providing  for the  merger  of Group 1 with and into the
Company (the "Merger").

     The  Company's  Board of  Directors  recommends a vote FOR the approval and
adoption of the Merger Agreement providing for the Merger.

                    FOR                AGAINST                   ABSTAIN


     2.  Approval  and  adoption  of an  amendment  to COMNET's  Certificate  of
Incorporation  to  increase  the  number of shares  of  Common  Stock  COMNET is
authorized to issue from 10 million to 14 million.

                    FOR                AGAINST                   ABSTAIN


     3.  Election  of the  nominees  listed  below  to the  Company's  Board  of
Directors to hold office until the third annual meeting of  stockholders  of the
Company  following  their election and until the election and  qualification  of
their successors.
<TABLE>
<CAPTION>
<S>                               <C>                                   <C>
FOR                               WITHOUT  AUTHORITY  to  vote  for     Nominees:
all  nominees  listed at right    all nominees listed at right          Charles G. Sindelar
(except   as   marked  to  the                                          James P. Marden
contrary below)                                                         Charles A. Mele

</TABLE>


           To withhold  authority  to vote for an  individual  nominee,
           print the name of such nominee on the line provided
           ------------------------------------------------------------




     4. Amendment to the COMNET 1995  Non-Employee  Director's Stock Option Plan
to increase the number of  authorized  shares of COMNET Common Stock that may be
issued under that plan to 300,000.

                    FOR                AGAINST                   ABSTAIN


     5. OTHER MATTERS: Discretionary authority is hereby granted with respect to
such other matters as may properly come before the meeting or any adjournment or
postponement thereof. Any and all proxies heretofore given are hereby revoked.

                    FOR                AGAINST                   ABSTAIN


     The shares  represented by this Proxy will be voted in the manner  directed
and, if no  instructions  to the contrary are  indicated,  will be voted FOR the
approval and adoption of the Merger  Agreement and the other proposals set forth
in the Company's Notice of Annual Meeting of Stockholders.



                                Dated: ____________________________, 1998

                                       _____________________________

                                       _____________________________
                                       Signature

                                IMPORTANT;  Please sign your name  exactly as it
                                appears hereon. When signing as attorney, agent,
                                executor,  administrator,  trustee,  guardian or
                                corporate  officer,  please give your full title
                                as such. Each joint owner should sign the proxy.

                                IN ORDER TO  ASSURE  A QUORUM  AND TO AVOID  THE
                                EXPENSE AND DELAY OF SENDING FOLLOW-UP  LETTERS,
                                PLEASE FILL IN, SIGN, DATE AND RETURN YOUR PROXY
                                IN  THE  ENCLOSED  ENVELOPE  WHICH  REQUIRES  NO
                                POSTAGE  IF MAILED  IN THE  UNITED  STATES.  The
                                above-signed hereby acknowledges  receipt of the
                                Notice of Annual Meeting of Stockholders and the
                                Proxy Statement Prospectus furnished herewith.


<PAGE>


                             GROUP 1 SOFTWARE, INC.
                        4200 Parliament Place, Suite 600
                              Lanham, MD 20706-1481
Dear Group 1 Stockholders,

     You are cordially  invited to attend a Special  Meeting of  Stockholders of
Group 1 Software, Inc., which will be held on September 25, 1998, at 10:00 a.m.,
at One Liberty Plaza, 46th Floor, New York, New York 10292.

     At the Special Meeting,  you will be asked to vote on a proposal to approve
and adopt an Agreement  and Plan of Merger  providing  for the merger of Group 1
with and into COMNET Corporation (the "Merger"). In the Merger, each outstanding
share of Group 1 common stock will be  converted  into the right to receive 1.15
shares  of  COMNET  common  stock.   After  the  Merger  is  completed,   COMNET
stockholders  will own  approximately  77.9% of the shares of the merged company
and former Group 1 stockholders  (excluding COMNET) will own approximately 22.1%
of the shares of the merged company.

     Group  1's Board of  Directors  has  determined,  based on the  report  and
recommendations of a special committee appointed by the Board of Directors, that
the Merger is in the best interests of Group 1 and its stockholders.  We believe
the  Merger  will  serve  the  best  interests  of  stockholders  of  Group 1 by
increasing  the number of shares held by the public,  and by reducing  costs and
other  inefficiencies  as well as the  market  confusion  related  to Group  1's
relationship  to  COMNET  as its  parent  company.  Accordingly,  the  Board  of
Directors has  unanimously  approved the Agreement and Plan of Merger  providing
for the  Merger  and  recommends  that you vote in favor of the Group 1's Merger
with COMNET.

     Your  participation  in the  Special  Meeting,  in person  or by proxy,  is
especially  important  because the items to be voted on are very  significant to
Group 1 and its  stockholders.  Whether  or not you plan to attend  the  Special
Meeting, we urge you to complete,  date, sign and return the enclosed proxy card
promptly in the enclosed  postage-paid  envelope to ensure that your shares will
be represented at the Special Meeting.

     Thank you, and I look forward to seeing you at the Special Meeting.

August __, 1998                          /s/  Robert S. Bowen
                                         -----------------------
                                         Robert S. Bowen
                                         Chief Executive Officer


<PAGE>


                             GROUP 1 SOFTWARE, INC.
                        4200 Parliament Place, Suite 600
                           Lanham, Maryland 20706-1844

                    NOTICE OF SPECIAL MEETING OF STOCKHOLDERS
                          To be Held September 25, 1998

To the Stockholders of Group 1 Software, Inc.:

     PLEASE  TAKE  NOTICE  that a special  meeting  of  stockholders  of Group 1
Software, Inc., a Delaware corporation ("Group 1" or the "Company") will be held
on September  25, 1998,  at 10:00 a.m., at One Liberty  Plaza,  46th Floor,  New
York, New York 10292 (the "Special Meeting"), for the following purposes:

     (1) To consider and vote upon a proposal to approve and adopt the Agreement
and Plan of Merger, dated June 23, 1998 (the "Merger Agreement"), by and between
COMNET  Corporation,   a  Delaware  corporation  ("COMNET"),  and  the  Company,
providing for the Merger of the Company with and into COMNET; and

     (2) To transact such other business as may properly come before the Special
Meeting and any adjournment or postponement thereof.

     Only Group 1  stockholders  of record at the close of  business on July 27,
1998 are entitled to receive  notice of, and to vote at, the Special  Meeting or
any adjournment or postponement thereof.

     We hope that you will be able to attend the Special Meeting in person.

                         HOLDERS OF GROUP 1 STOCK SHOULD
               NOT SEND STOCK CERTIFICATES WITH THEIR PROXY CARDS.
          ------------------------------------------------------------

IN ORDER TO  ASSURE A QUORUM  AND TO AVOID  THE  EXPENSE  AND  DELAY OF  SENDING
FOLLOW-UP  LETTERS,  PLEASE  FILL-IN,  SIGN,  DATE AND RETURN  YOUR PROXY IN THE
ENCLOSED  ENVELOPE WHICH REQUIRES NO POSTAGE IF MAILED WITHIN THE UNITED STATES.
IF YOU ARE PRESENT AT THE MEETING, YOU MAY, IF YOU WISH, WITHDRAW YOUR PROXY AND
VOTE YOUR SHARES PERSONALLY.
           -----------------------------------------------------------

Lanham, Maryland                    By Order of the Board of Directors
August ___, 1998                    Edward Weiss, Secretary


<PAGE>


                             GROUP 1 SOFTWARE, INC.

             THIS PROXY IS BEING SOLICITED BY THE BOARD OF DIRECTORS
                     FOR THE SPECIAL MEETING OF STOCKHOLDERS
                        TO BE HELD ON SEPTEMBER 25, 1998

     The undersigned hereby appoints Edward Weiss and Mark D. Funston,  and each
of them, with full power of  substitution,  proxies to vote all shares of Common
Stock of GROUP 1 SOFTWARE,  INC., a Delaware corporation (the "Company"),  owned
by the  undersigned  at the Special  Meeting of  Stockholders  to be held at One
Liberty Plaza,  46th Floor,  New York, New York 10292, on September 25, 1998, at
10:00 a.m., local time, and at any and all adjournments or postponements thereof
(the "Special Meeting"), as follows:

     1. Approval and adoption of the  Agreement  and Plan of Merger,  dated June
23, 1998 (the  "Merger  Agreement"),  by and between the COMNET  Corporation,  a
Delaware corporation  ("COMNET"),  and the Company,  providing for the merger of
the Company with and into COMNET.

     The  Company's  Board of  Directors  recommends a vote FOR the approval and
adoption of the Merger Agreement.

                    FOR                AGAINST                   ABSTAIN


     2. OTHER MATTERS: Discretionary authority is hereby granted with respect to
such other matters as may properly come before the Special Meeting.  Any and all
proxies heretofore given are hereby revoked.

                    FOR                AGAINST                   ABSTAIN


     The shares  represented by this Proxy will be voted in the manner  directed
and, if no  instructions  to the contrary are  indicated,  will be voted FOR the
approval  and  adoption of the Merger  Agreement  and the  approval of the other
proposals  set forth in the Notice of Special  Meeting  of  Stockholders  of the
Company.

                                Dated: ________________________________, 1998

                                _____________________________________________

                                _____________________________________________

                                                     Signature

                                IMPORTANT:  Please sign your name  exactly as it
                                appears hereon. When signing as attorney, agent,
                                executor,  administrator,  trustee,  guardian or
                                corporate  officer,  please give your full title
                                as such. Each joint owner should sign the proxy.

                                IN ORDER TO  ASSURE  A QUORUM  AND TO AVOID  THE
                                EXPENSE AND DELAY OF SENDING FOLLOW-UP  LETTERS,
                                PLEASE FILL IN, SIGN, DATE AND RETURN YOUR PROXY
                                IN  THE  ENCLOSED  ENVELOPE  WHICH  REQUIRES  NO
                                POSTAGE  IF MAILED  IN THE  UNITED  STATES.  The
                                above-signed hereby acknowledges  receipt of the
                                Notice of Special  Meeting of  Stockholders  and
                                the   Proxy   Statement   Prospectus   furnished
                                herewith.


<PAGE>


                 Subject to Completion - Dated August ___. 1998

                             GROUP 1 SOFTWARE, INC.
                                 PROXY STATEMENT
                               COMNET CORPORATION
                         PROXY STATEMENT AND PROSPECTUS


     This  Proxy  Statement  Prospectus  relates  to the  proposed  merger  (the
"Merger") of Group 1 Software,  Inc., a Delaware  corporation  ("Group 1"), with
COMNET Corporation, a Delaware corporation ("COMNET"),  pursuant to an Agreement
and Plan of  Merger,  dated  June 23,  1998  (the  "Merger  Agreement").  At the
effective time of the Merger,  each outstanding share of Common Stock, par value
$.01 per share,  of Group 1 (the "Group 1 Common  Stock") will be converted into
the right to receive 1.15 shares of Common Stock,  par value $.50 per share,  of
COMNET (the "COMNET Common Stock"). COMNET Common Stock is listed for trading on
the National  Market of The Nasdaq Stock Market,  Inc.  under the symbol "CNET."
COMNET and Group 1 are soliciting proxies from their respective stockholders for
use at the Annual Meeting of Stockholders of COMNET  (including any adjournments
or  postponements  thereof,  the "COMNET  Meeting")  and the Special  Meeting of
Stockholders of Group 1 (including any  adjournments or  postponements  thereof,
the "Group 1 Meeting"), respectively, each scheduled to be held on September 25,
1998,  to  consider  and vote  upon the  approval  and  adoption  of the  Merger
Agreement  providing  for the Merger.  The Merger is expected to be  consummated
immediately after approval of the Merger by the stockholders of COMNET and Group
1.

     This Proxy  Statement  Prospectus  constitutes  both the proxy statement of
COMNET relating to the solicitation of proxies by its Board of Directors for use
at the COMNET  Meeting and the  prospectus  of COMNET with respect to the COMNET
Common  Stock to be issued in the Merger in exchange for  outstanding  shares of
Group 1 Common Stock. In addition to adopting and approving the Merger Agreement
providing for the Merger, at the COMNET Meeting,  holders of COMNET Common Stock
and holders of COMNET 6%  Cumulative  Convertible  Preferred  Stock (the "COMNET
Preferred  Stock") will be asked to consider and vote upon the  following  other
proposals (the Non-Merger Proposals"):  (i) an amendment to COMNET's Certificate
of  Incorporation  increasing  the number of shares of COMNET  Common Stock that
COMNET is authorized  to issue from 10 million to 14 million,  (ii) the election
of three members to the Board of Directors of the merged  company,  and (iii) an
amendment  to  COMNET's  1995  Non-Employee  Director's  Stock  Option Plan (the
"Plan") to increase the number of authorized  shares of COMNET Common Stock that
may be issued under the Plan from 150,000 to 300,000 shares.

     NEITHER THE  SECURITIES AND EXCHANGE  COMMISSION  NOR ANY STATE  SECURITIES
REGULATORS HAS APPROVED THE MERGER DESCRIBED IN THIS PROXY STATEMENT  PROSPECTUS
OR THE COMNET COMMON STOCK TO BE ISSUED IN CONNECTION WITH THE MERGER,  NOR HAVE
THEY DETERMINED IF THIS PROXY STATEMENT PROSPECTUS IS ACCURATE OR ADEQUATE.  ANY
REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

     This Proxy Statement  Prospectus is also furnished by Group 1 in connection
with  its  solicitation  of  proxies  for use at the  Group 1  Meeting.  Group 1
stockholders will not vote upon any of the Non-Merger Proposals.

     This Proxy  Statement  Prospectus  is dated August __,  1998,  and is first
being mailed, together with a form of proxy, to stockholders of COMNET and Group
1 on or about August __, 1998.

     See "RISK  FACTORS"  commencing  on page ___ for a  description  of certain
factors concerning COMNET and its operations following the Merger.

     NO  PERSON  HAS  BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION  OR  MAKE  ANY
REPRESENTATION IN CONNECTION WITH THE COMNET OR THE GROUP 1 PROPOSALS OTHER THAN
THOSE CONTAINED OR INCORPORATED BY REFERENCE IN THIS PROXY STATEMENT PROSPECTUS,
AND, IF GIVEN OR MADE,  SUCH  INFORMATION OR  REPRESENTATION  MUST NOT BE RELIED
UPON AS HAVING  BEEN  AUTHORIZED  BY COMNET  OR GROUP 1.  THIS  PROXY  STATEMENT
PROSPECTUS  DOES NOT CONSTITUTE AN OFFER OR A SOLICITATION  TO ANY PERSON IN ANY
JURISDICTION IN WHICH SUCH OFFER OR  SOLICITATION  IS UNLAWFUL.  THE DELIVERY OF
THIS  PROXY  STATEMENT  PROSPECTUS  SHALL  UNDER  NO  CIRCUMSTANCES  CREATE  ANY
IMPLICATION  THAT  THERE HAS BEEN NO CHANGE IN THE  AFFAIRS OF COMNET OR GROUP 1
SINCE THE DATE AS OF WHICH INFORMATION IS FURNISHED OR THE DATE HEREOF.


<PAGE>
                              AVAILABLE INFORMATION

     COMNET and Group 1 are both subject to the  informational  requirements  of
the Securities  Exchange Act of 1934, as amended (the "Exchange  Act"),  and, in
accordance therewith,  file reports, proxy statements and other information with
the Securities and Exchange  Commission (the "Commission").  The reports,  proxy
statements and other information filed by COMNET and Group 1 with the Commission
may be inspected and copied at the Commission's public reference room located at
Judiciary Plaza, 450 Fifth Street,  N.W., Room 1024,  Washington D.C. 20549, and
at the public reference facilities in the Commission's  regional offices located
at: 7 World Trade Center,  13th Floor,  New York,  New York 10048;  and Citicorp
Center, 500 West Madison Street,  Suite 1400,  Chicago, IL 60601. Copies of such
material  may be  obtained  at  prescribed  rates by writing to the  Commission,
Public  Reference  Section,  450 Fifth Street,  N.W.,  Washington,  D.C.  20549.
Certain  of such  reports,  proxy  statements  and  other  information  are also
available  from the  Commission  over the  Internet at  http://www.sec.gov.  The
shares  of COMNET  Common  Stock  and  Group 1 Common  Stock  are  listed on the
National Market of The Nasdaq Stock Market, Inc. ("Nasdaq")

     This Proxy Statement Prospectus is part of a registration statement on Form
S-4  (together  with all  amendments  and  exhibits  thereto and  documents  and
information  incorporated by reference  therein,  the "Registration  Statement")
filed with the  Commission  by COMNET,  relating to the  registration  under the
Securities  Act of 1933,  as amended (the  "Securities  Act"),  of the shares of
COMNET Common Stock to be issued  pursuant to the Merger  Agreement.  This Proxy
Statement  Prospectus  does not contain all of the  information set forth in the
Registration Statement,  certain portions of which have been omitted pursuant to
the rules and regulations of the  Commission,  to which reference is hereby made
for further information with respect to COMNET and Group 1 and the COMNET Common
Stock  offered  hereby.   Statements   contained   herein  or  in  any  document
incorporated  by reference  herein  concerning  any contract or document are not
necessarily  complete and, in each instance,  reference is made to the copies of
such  contract or document  filed as exhibits to the  Registration  Statement or
such other document, each such statement being qualified in its entirety by such
reference.


                           INCORPORATION BY REFERENCE

     This Proxy Statement Prospectus incorporates certain documents by reference
which are not  presented  herein or  delivered  herewith.  These  documents  are
available  without charge upon request from Edward Weiss, 4200 Parliament Place,
Suite 600, Lanham,  MD 20706-1481,  telephone  301-918-0400.  In order to ensure
timely delivery of these documents,  any request should be made by September 11,
1998.

     COMNET  and Group 1 hereby  undertake  to  provide  without  charge to each
person, including any beneficial owner of Group 1 Common stock to whom a copy of
this Proxy  Statement  Prospectus has been  delivered,  upon the written or oral
request of any such person,  a copy of any and all of the documents  referred to
below which have been or may be  incorporated  herein by  reference,  other than
exhibits to such documents,  unless such exhibits are specifically  incorporated
herein by  reference.  Requests  for such  documents  should be  directed to the
person indicated in the immediately preceding paragraph.

     The following documents, which have been filed by COMNET or Group 1, as the
case may be, with the SEC pursuant to the Exchange Act, are hereby  incorporated
by reference herein:

     (a)  COMNET's Annual Report on Form 10-K for the year ended March 31, 1998;

     (b)  The  description  of the COMNET  Common  Stock  contained  in COMNET's
          Registration  Statement on Form 8-A, filed with the Commission on July
          __, 1998;

     (c)  The  description of the Rights  issuable under the COMNET  Stockholder
          Protection  Rights  Agreement   contained  in  COMNET's   Registration
          Statement on Form 8-A, filed with the Commission on July __, 1998; and

     (d)  Group 1's  Annual  Report on Form  10-K for the year  ended  March 31,
          1998.

     All documents filed by COMNET or Group 1 pursuant to Section 13(a),  13(c),
14 or 15(d) of the  Exchange Act after the date hereof and prior to the date the
COMNET  Meeting  and the  Group  1  Meeting  are  held  shall  be  deemed  to be
incorporated herein by reference and to be a part hereof from the date of filing
of such documents.  All information appearing in this Proxy Statement Prospectus
or in any document  incorporated herein by reference is not necessarily complete
and is qualified in its entirety by the  information  and  financial  statements
(including notes thereto)  appearing in the documents  incorporated by reference
herein and should be read together with such information and documents.

     Any  statement  contained  in a  document  incorporated  or  deemed  to  be
incorporated  herein by reference  shall be deemed to be modified or  superseded
for purposes of this Proxy  Statement  Prospectus to the extent that a statement
contained herein or in any other  subsequently  filed document that is deemed to
be incorporated herein by reference modifies or supersedes such statements.  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 Prospectus.



<PAGE>



                     QUESTIONS AND ANSWERS ABOUT THE MERGER

Q: Why are the two companies proposing to merge? How will I benefit?

A: The Boards of  Directors  of COMNET and Group 1 believe  that both COMNET and
Group 1  stockholders  will benefit  from the Merger.  We expect that the Merger
will broaden  COMNET's  stockholder  base by increasing  the number of shares of
COMNET  common  stock  held by the  public,  and by  reducing  costs  and  other
inefficiencies  as well as eliminating the market confusion  related to COMNET's
holding company status and Group 1's status as a subsidiary of COMNET.

Q: How did COMNET and Group 1 determine the fairness of the terms of the Merger?

A: Both COMET and Group 1 established  Special  Committees  of their  respective
Boards of Directors.  These Special  Committees  were comprised of  independent,
non-employee  directors.  Each Special Committee  retained its own special legal
counsel  and  independent  financial  advisors.  Based  on the  advice  of their
respective special legal counsel and financial advisors,  each Special Committee
has determined  that the terms of the Merger are fair to its  stockholders.  The
terms of the Merger are described in this Proxy Statement Prospectus and are set
forth in full in the Merger Agreement, which is attached hereto as Exhibit A.

Q: What do I need to do now?

A: If you are a COMNET stockholder:

Just indicate on your proxy card how you want to vote, and sign, date and return
it as soon as  possible.  If you sign and send in your proxy and do not indicate
how you want to vote,  your  proxy  will be voted in favor of the  Merger and in
favor of the other  proposals set forth in the COMNET Notice of Annual  Meeting.
If you do not  return  your  proxy or if you do not vote or you  abstain  at the
COMNET  Meeting,  it will have the  effect of a vote not to  approve  the Merger
Agreement and the other proposals.

If you are a Group 1 stockholder:

Just indicate on your proxy card how you want to vote, and sign, date and return
it as soon as  possible.  If you sign and send in your proxy and do not indicate
how you want to vote, your proxy will be voted in favor of the Merger. If you do
not  return  your  proxy or if you do not  vote or you  abstain  at the  Group 1
Meeting, it will have the effect of a vote not to approve the Merger Agreement.

If you are either an COMNET stockholder or a Group stockholder:

You may  attend the COMNET  Meeting or Group 1 Meeting  and vote your  shares in
person, rather than completing and returning your proxy card. If you do complete
and return  your proxy card,  you may revoke it at any time up to and  including
the day of the stockholders' meetings by following the directions on pages ___.

Q: If my shares are held in "street  name" by my broker,  will my broker vote my
shares for me?

A: Your broker will not vote your shares UNLESS you provide instructions to your
broker on how you want your shares voted.

Q: Should I send in my stock certificates now?

A: No.  After  the  Merger  is  completed,  Group 1  stockholders  will  receive
instructions on how they may receive their new COMNET stock certificates. COMNET
stockholders will keep their certificates.

Q: What will stockholders receive in the merger?

A: Group 1  stockholders  will  receive  1.15 shares of COMNET  Common  Stock in
exchange  for each share of Group 1 Common  Stock (plus cash for any  fractional
shares).  COMNET  stockholders will retain their existing shares.  Following the
Merger,   the  former  Group  1   stockholders   (excluding   COMNET)  will  own
approximately 22.1% of the shares of the merged company.

Q:  Why  will  Group  1  stockholders  receive  shares  of  COMNET,  but  COMNET
stockholders will not receive any new shares?

A: Based on the structure of the Merger, COMNET will be the surviving company.

Q: How will the "new" COMNET be operated after the Merger?

A: The Merger Agreement  provides that COMNET will be the Surviving  Corporation
and will change its name to "Group 1 Software,  Inc.". The Surviving Corporation
will continue to develop and distribute  application  software and services just
as Group 1 had done immediately prior to the Merger.  Also, the Merger Agreement
provides  that the new Board of  Directors  of COMNET will consist of 9 members,
made up of 5 persons from COMNET's  pre-Merger Board, one persons from Group 1's
pre-Merger  Board and 3 persons  (including 2 management  members) who served on
the pre-Merger boards of both COMNET and Group 1.

Q:  Will  only  COMNET  stockholders  get to vote for  directors  of the  merged
company?

A: Yes. Once the Merger has been approved by the stockholders of both COMNET and
Group 1, several legal formalities must be completed before Group 1 stockholders
can vote on COMNET corporate  matters.  These formalities cannot be accomplished
before the COMNET Meeting ends.

Q: When do you expect the Merger to be completed?

A: The Merger will be completed shortly after the COMNET and Group 1 Meetings.

Q: What are the federal income tax consequences of the Merger to me?

A: The Merger will be tax-free for federal income tax purposes. However, Group 1
stockholders  will  have to pay taxes on any cash  they may  receive  in lieu of
fractional  shares.  To review the tax  consequences  to stockholders in greater
detail,  see pages _____ and the tax opinion which is attached hereto as Exhibit
B.

Q: Who can I talk to if I have more questions?

A: If you have more questions  about the Merger you should contact Edward Weiss,
Secretary:

                        4200 Parliament Place, Suite 600
                              Lanham, MD 20706-1844
                          Phone Number: (301) 918-0400

     THIS PROXY STATEMENT PROSPECTUS CONTAINS CERTAIN FORWARD LOOKING STATEMENTS
WITH RESPECT TO THE FINANCIAL  CONDITION,  RESULTS OF OPERATIONS AND BUSINESS OF
COMNET AND GROUP 1, AND THE SURVIVING  CORPORATION FOLLOWING THE CONSUMMATION OF
THE MERGER.  WHEN WE USE WORDS SUCH AS "BELIEVES",  "EXPECTS",  "ANTICIPATES" OR
SIMILAR EXPRESSIONS, WE ARE MAKING FORWARD-LOOKING  STATEMENTS.  FORWARD-LOOKING
STATEMENTS ALSO INCLUDE  STATEMENTS  RELATING TO: (1) THE COSTS SAVINGS THAT MAY
BE REALIZED FROM THE MERGER;  (2) REVENUES FOLLOWING THE MERGER; (3) COMPETITIVE
PRESSURE IN THE RELEVANT  SOFTWARE  PRODUCT AND SERVICES  MARKETS;  (4) POSSIBLE
RISK  FACTORS;  (5) GENERAL  ECONOMIC  CONDITIONS,  EITHER  NATIONALLY OR IN THE
STATES IN WHICH THE SURVIVING COMPANY WILL BE DOING BUSINESS, WHICH COULD AFFECT
THE FINANCIAL  RESULTS OF THE  SURVIVING  COMPANY AFTER THE MERGER IS CONCLUDED.
THESE FORWARD LOOKING  STATEMENTS  INVOLVE CERTAIN RISKS AND UNCERTAINTIES  THAT
MAY CAUSE ACTUAL RESULTS TO DIFFER  MATERIALLY  FROM THOSE  CONTEMPLATED BY SUCH
FORWARD-LOOKING STATEMENTS.

<PAGE>



                                TABLE OF CONTENTS
                                                      

QUESTIONS AND ANSWERS ABOUT THE MERGER..........................................

COMNET CORPORATION..............................................................

CROSS REFERENCE SHEET...........................................................

AVAILABLE INFORMATION...........................................................

INCORPORATION BY REFERENCE......................................................

QUESTIONS AND ANSWERS ABOUT THE MERGER..........................................

SUMMARY.........................................................................

RISK FACTORS....................................................................

THE STOCKHOLDERS' MEETINGS......................................................
         General................................................................
         Matters to Be Considered at the Stockholders' Meetings.................
         Record Date; Stock Entitled to Vote; Quorum............................
         COMNET Stockholder Vote Required.......................................
         Group 1 Stockholder Vote Required......................................
         Voting of Proxies......................................................
         Revocability of Proxies................................................
         Solicitation of Proxies................................................

THE PROPOSED MERGER.............................................................
         General................................................................
         Effective Time.........................................................
         Conversion of Shares; Procedures for Exchange of Certificates; 
         Fractional Shares......................................................
         Nasdaq Listings........................................................
         Background of the Merger...............................................
         Recommenadations of the Group 1 Board and Group 1's Reasons for 
         the Merger.............................................................
         Opinion of Group 1 Financial Advisors..................................
         Certain Transactions; Conflicts of Interest............................
         Board of Directors.....................................................
         Management Post-Merger.................................................
         Certain Tax Consequences of the Merger.................................
         Regulatory Approval and Consents.......................................
         Certain Provisions of the Merger Agreement.............................

DESCRIPTION OF THE COMPANIES....................................................
         General................................................................
         Discontinued Operations -- Com-Med Systems.............................

MARKETS AND MARKET PRICES.......................................................

PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS...............................

BENEFICIAL OWNERSHIP............................................................
         COMNET.................................................................
         GROUP 1................................................................
         COMNET -  After Giving Effect to the Merger............................

COMPARISON OF STOCKHOLDER RIGHTS................................................
         Annual Meetings of Stockholders........................................
         Number of Directors....................................................
         Corporate Opportunity Conflicts - Medco Directors......................
         Classification of Board of Directors...................................
         Indemnification........................................................
         Certain Voting Rights with Respect to Transactions with 
         Substantial Stockholders...............................................
         Certain Voting Rights with Respect to Mergers..........................
         Removal of Directors; Filling Vacancies on the Board of Directors......
         Stockholder Action by Written Consent..................................
         Amendment of By-laws...................................................

DESCRIPTION OF COMNET STOCK.....................................................
         General................................................................
         COMNET 6% Cumulative Convertible Preferred Stock.......................
         Conversion of Group 1 Common Stock.....................................
         Conversion of Group 1 Common Stock Options.............................
         Appraisal Rights.......................................................

STOCKHOLDERS SHOULD NOT SEND THEIR STOCK CERTIFICATES WITH THEIR PROXY CARDS....

INTERESTS OF CERTAIN PERSONS IN PROPOSALS TO BE CONSIDERED AT THE MEETINGS......

NASDAQ LISTING OF COMNET COMMON STOCK RECEIVED IN THE MERGER....................

RESALE OF COMNET COMMON STOCK RECEIVED BY GROUP 1 STOCKHOLDERS..................

LEGAL OPINION...................................................................

EXPERTS.........................................................................

PROPOSAL 1 - PROPOSAL TO APPROVE THE MERGER AGREEMENT PROVIDING 
             FOR THE MERGER BETWEEN COMNET AND GROUP 1..........................

PROPOSAL 2 - AMENDMENT TO COMNET CERTIFICATE TO INCREASE NUMBER OF 
             AUTHORIZED SHARES OF COMNET COMMON STOCK  10,000,000 TO 
             14,000,000 SHARES..................................................

PROPOSAL 3 - ELECTION OF DIRECTORS..............................................

PROPOSAL 4 - APPROVAL OF AMENDMENT TO THE 1995 NON-EMPLOYEE DIRECTORS' 
             STOCK OPTION PLAN..................................................

Exhibit A -  Agreement  and Plan of Merger  
Exhibit B -  Opinion  of  Coopers & Lybrand L.L.P.
Exhibit C -  Opinion of Valuation Research, Inc.
Exhibit D -  1995 Non-Employee Director's Stock Option Plan


<PAGE>
SUMMARY

This summary  highlights  selected  information  about the Merger from the Proxy
Statement  Prospectus and does not contain all the information that is important
to you. To understand  the Merger fully and for a more complete  description  of
the legal terms of the Merger,  you should  carefully read this entire  document
and  the  documents  referred  to and  incorporated  by  reference  herein.  See
"AVAILABLE   INFORMATION"   (page  ___).  We  have   included  page   references
parenthetically  to direct  you to a more  complete  description  of the  topics
presented in this summary.

This Proxy Statement  Prospectus  relates  primarily to the proposed merger (the
"Merger") of Group 1 Software,  Inc., a Delaware  corporation  ("Group 1"), with
and into COMNET Corporation,  a Delaware corporation ("COMNET"),  pursuant to an
agreement  and plan of merger,  dated June 23,  1998 (the  "Merger  Agreement").
Group 1 is a majority - owned subsidiary of COMNET. At the effective time of the
Merger,  each  outstanding  share of common stock,  par value $.01 per share, of
Group 1 (the "Group 1 Common Stock") will be converted into the right to receive
1.15 shares of common  stock,  par value $.50 per share,  of COMNET (the "COMNET
Common  Stock") and each option to  purchase  one share of Group 1 Common  Stock
will be converted into an option to purchase 1.15 shares of COMNET Common Stock.
The exchange  ratio of 1.15 shares of COMNET  Common Stock for each one share of
Group 1 Common  Stock,  as set forth in the  Merger  Agreement,  is  hereinafter
referred to as the "Exchange Ratio."

As used in this Proxy Statement  Prospectus,  the term "COMNET" refers to COMNET
Corporation before  consummation of the Merger, and the term "Group 1" refers to
Group 1 Software, Inc. before consummation of the Merger and, unless the context
otherwise  requires,  its  subsidiaries.  The term  "Surviving  Corporation"  is
sometimes used herein to refer to COMNET following consummation of the Merger.

The Stockholders' Meetings (page _____)

COMNET. The Annual Meeting of Stockholders of COMNET (the "COMNET Meeting") will
be held at One Liberty Plaza,  46th Floor,  New York, New York,  10292, at 10:30
a.m. on September 25, 1998. At the COMNET Meeting, COMNET stockholders are being
asked to:

     -    approve the Merger Agreement providing for the Merger;

     -    approve an amendment to COMNET'S  Certificate  of  Incorporation  (the
          "Certificate  Amendment")  increasing  the  number of shares of COMNET
          Common Stock that COMNET is  authorized to issue from 10 million to 14
          million.  See  "Proposal  2 --  Amendment  Of  COMNET  Certificate  to
          Increase the Number Of  Authorized  Shares of COMNET Common Stock from
          10,000,000 to 14,000,000 Shares."

     -    elect  three  members  to the  Board  of  Directors  of the  Surviving
          Corporation; and

     -    approve an amendment to COMNET's 1995  Non-Employee  Director's  Stock
          Option Plan (the "Option  Plan") to increase the number of  authorized
          shares of COMNET Common Stock that may be issued under the Option Plan
          from 150,000 to 300,000 shares (the "Option Plan Amendment").

Group 1. A Special  Meeting of  Stockholders  of Group 1 (the "Group 1 Meeting")
will be held at One Liberty Plaza, 46th Floor New York, New York 10292, at 10:00
a.m. on September 25, 1998.  At the Group 1 Meeting,  Group 1  stockholders  are
being asked to approve the Merger Agreement providing for the Merger.

The Parties

COMNET.  COMNET  is a holding  company.  As of the  Record  Date,  COMNET  owned
approximately  81.2% of the outstanding  shares of Group 1 Common Stock.  COMNET
conducts no business separate from Group 1's business described below.

Group 1. Group 1 is a  majority-owned  subsidiary  of COMNET.  Group 1 develops,
manufacturers,  licenses,  sells and supports  software products for specialized
marketing and mail management applications.

COMNET  and Group 1 both  maintain  their  principal  executive  offices at 4200
Parliament  Place,  Suite 600,  Lanham,  MD 20706-1481,  telephone  number (301)
918-0400, fax (301) 918-0430.

Record Date; Voting Power (pages ___)

You are  entitled to vote at the COMNET  Meeting or the Group 1 Meeting,  as the
case may be, if you owned shares of COMNET  Common  Stock,  COMNET 6% Cumulative
Convertible  Preferred  Stock (the "COMNET  Preferred  Stock") or Group 1 Common
Stock on July 27, 1998 (the "Record Date").

On the Record Date,  there were outstanding  __________  shares of COMNET Common
Stock,  147,500 shares of COMNET  Preferred  Stock and  _____________  shares of
Group 1 Common Stock (excluding  shares held in the treasury of either company).
All stockholders are entitled to one vote for each share of stock owned by them.

Votes Required (page ___)

COMNET Stockholders:

     -    The  affirmative  vote of the  holders of at least a  majority  of the
          outstanding  shares of COMNET Common Stock and COMNET  Preferred Stock
          entitled  to vote at the COMNET  Meeting is  required  to approve  the
          Merger  Agreement  providing for the Merger.  The presence,  either in
          person or by proxy,  of the holders of a majority  of the  outstanding
          shares of COMNET Common Stock and COMNET  Preferred  Stock entitled to
          vote at the COMNET  Meeting is necessary to constitute a quorum at the
          COMNET Meeting.

     -    The  affirmative  vote of the  holders of at least a  majority  of the
          outstanding  shares of COMNET Common Stock and COMNET  Preferred Stock
          entitled  to vote at the COMNET  Meeting is  required  to approve  the
          Certificate Amendment.

     -    The three  persons,  duly  nominated  and  qualified,  who receive the
          largest number of votes shall be elected as directors of the Surviving
          Corporation.  

     -    The  affirmative  vote of the  holders of at least a  majority  of the
          outstanding  shares of COMNET Common Stock and COMNET  Preferred Stock
          entitled  to vote at the COMNET  Meeting is  required  to approve  the
          Option Plan Amendment.

Group 1 Stockholders:

     -    The  affirmative  vote of the  holders of at least a  majority  of the
          outstanding  shares of Group 1 Common  Stock  entitled  to vote at the
          Group 1 meeting is required to approve the Merger Agreement  providing
          for the Merger.  The  presence,  either in person or by proxy,  of the
          holders  of a  majority  of the  outstanding  shares of Group 1 Common
          Stock  entitled  to  vote at the  Group  1  Meeting  is  necessary  to
          constitute a quorum at the Group 1 Meeting.

COMNET OWNED 81.2% OF THE  OUTSTANDING  SHARES OF GROUP 1 COMMON STOCK AS OF THE
RECORD  DATE.  COMNET  HAS STATED  ITS  INTENTION  TO VOTE ITS SHARES OF GROUP 1
COMMON STOCK IN FAVOR OF THE MERGER  AGREEMENT.  IF COMNET VOTES ITS HOLDINGS IN
GROUP 1 IN THIS MANNER, THE MERGER WILL BE APPROVED BY GROUP 1.

Share Ownership of Management and Certain Stockholders (pages _____)

At the close of  business  on the  Record  Date,  the  directors  and  executive
officers  of COMNET  owned  and were  entitled  to vote 0.4% of the  outstanding
shares of Group 1 Common Stock, 3.3% of the outstanding  shares of COMNET Common
Stock and 4.1% of the outstanding of shares COMNET Preferred Stock.

At the close of  business  on the  Record  Date,  the  directors  and  executive
officers  of Group 1 owned and were  entitled  to vote  0.4% of the  outstanding
shares of Group 1 Common Stock, 2.7% of the outstanding  shares of COMNET Common
Stock and 4.1% of the outstanding shares of COMNET Preferred Stock.

The Merger (page ___)

At such time as the Merger becomes  effective (the  "Effective  Time"),  Group 1
will be  merged  with  and  into  COMNET  and  Group 1 will  cease to exist as a
separate  corporation.  COMNET will be the Surviving  Corporation in the Merger,
and will change its name to Group 1 Software, Inc. The shares of common stock of
the Surviving  Corporation  will continue to be listed on the National Market of
The Nasdaq Stock Market, Inc. ("Nasdaq"). The Surviving Corporation will operate
its  business  after the  Merger  in the same  manner  as Group 1  operated  its
business immediately prior to the Merger.

The Merger  Agreement is attached  hereto as Exhibit A. WE ENCOURAGE YOU TO READ
THE MERGER AGREEMENT CLOSELY. It is the legal document governing the Merger.

What Stockholders Will Receive in the Merger (page ___)

As a result of the Merger, Group 1 stockholders will receive:

     -    1.15  shares of COMNET  Common  Stock for each share of Group 1 Common
          Stock owned by them on the Record Date; and

     -    a cash  payment,  based on the market  value of COMNET  Common  Stock,
          instead of any fractional share of COMNET Common Stock they would have
          received.

COMNET will be the Surviving Corporation.  As a result, COMNET stockholders will
continue to hold their shares of COMNET Common Stock.

Background

See "THE PROPOSED MERGER -- Background."

Recommendation of the COMNET Board and COMNET's Reasons for the Merger

On June 22,  1998,  the  board of  directors  of  COMNET  (the  "COMNET  Board")
unanimously  approved the Merger Agreement  providing for the Merger. The COMNET
Board  believes  that the  terms  of the  Merger  are  fair to,  and in the best
interests of, COMNET and its stockholders,  and unanimously  recommends that the
COMNET  stockholders  vote "FOR"  approval and adoption of the Merger  Agreement
providing  for the  Merger.  The  decision  of the COMNET  Board is based on its
belief  that the Merger  will  increase  the  number of shares of COMNET  Common
Stock,  and will  reduce  costs and other  inefficiencies  as well as the market
confusion  related to COMNET's  holding company status and Group 1's status as a
subsidiary of COMNET. For a more detailed discussion of COMNET's reasons for the
Merger  and  the  factors   considered   by  the  COMNET  Board  in  making  its
recommendation,  see " THE PROPOSED MERGER -- Recommendation of the COMNET Board
and COMNET's Reasons for the Merger."

Recommendation of the Group 1 Board and Group 1's Reasons for the Merger

On June  22,  1998 the  board of  directors  of  Group 1 (the  "Group 1  Board")
unanimously approved the Merger Agreement providing for the Merger. The decision
of the Group 1 Board is based upon its belief that the Merger will  increase the
number  of  shares  held  by  the  public,   providing   greater   liquidity  to
stockholders,  and will  reduce  costs and other  inefficiencies  as well as the
market  confusion  related  to Group 1's  relationship  to COMNET as its  parent
company.  For a more detailed discussion of Group 1's reasons for the Merger and
the factors  considered  by the Group 1 Board in making its  decision,  see "THE
PROPOSED MERGER -- Group 1's Reasons for the Merger."

Financial advisors (page ___)

In deciding to approve the Merger,

     -    the COMNET Board and the Group 1 Board each  considered the opinion of
          Valuation Research,  Inc. ("Valuation  Research"),  as to the fairness
          from a financial point of view of the exchange ratio of 1.15 shares of
          COMNET Common Stock for each share of Group 1 Common Stock;

     -    the  COMNET  Board  further  considered  the  advice of its  financial
          advisor,  Ferris,  Baker,  Watts,  Inc., as to the terms of the Merger
          from a financial point of view; and

     -    the Group 1 Board also  considered  the advice of  Valuation  Research
          with respect to other matters related to the Merger.

Opinion of the Group 1 Financial Advisor.

On June 8, 1998,  Valuation  Research  delivered  its final written opinion (the
"Opinion")  to the effect  that the  Exchange  Ratio was fair,  from a financial
point of view, to Group 1 and its  stockholders.  In connection  with  rendering
such  Opinion,  Valuation  Research,  among other  things,  reviewed  the Merger
Agreement, held separate discussions with certain senior officers, directors and
other  representatives  and advisers of Group 1 and COMNET and examined  certain
publicly  available business and financial  information  relating to both COMNET
and Group 1. Valuation Research also concluded that an independent  valuation of
the  individual  businesses of COMNET and Group 1 was not required  since COMNET
owned approximately 81.2% of the Group 1 Common Stock, Group 1 was COMNET's sole
operation,  COMNET's other assets or investments were  insignificant and neither
COMNET nor Group 1 had any separate  liabilities other than COMNET's  obligation
to issue  shares of its Common Stock on exercise of  outstanding  options and on
conversion of  outstanding  COMNET  Preferred  Stock and Group 1's  intercompany
obligation  to COMNET.  After taking into account these  obligations,  Valuation
Research  concluded  that the 1.15 shares of Common Stock of COMNET to be issued
for each one share of Group 1 Common  Stock was fair from a  financial  point of
view to the Group 1 stockholders.

This  summary is  qualified in its entirety by reference to the full text of the
Opinion,  which  contains  certain  limitations  on  the  review  undertaken  in
connection  with the Opinion.  For  additional  information,  see "The  Proposed
Merger--Opinion  of Group 1  Financial  Adviser"  and the  Opinion  attached  as
Exhibit C.

Stockholders should read the Valuation Research's Opinion,  which is attached as
Exhibit C to this Proxy Statement Prospectus,  in its entirety. The Opinion does
not constitute a recommendation  to any holder Group 1 Common Stock as to how to
vote with respect to the Merger Agreement and the Merger.

Directors and Management of the Surviving Corporation Following the Merger (page
___)

The Merger  Agreement  provides  that if the Merger is  completed,  the board of
directors of the Surviving  Corporation will consist of 9 members,  five of whom
are currently directors of COMNET (James V. Manning, Richard H. Eisenberg, James
P. Marden, Charles J. Sindelar and Bruce J. Spohler); one of whom is currently a
Group 1 director (Thomas S.  Buchsbaum);  and three of whom currently serve as a
director  of both COMNET and Group 1 (Robert S. Bowen,  Ronald F.  Friedman  and
Charles A. Mele). Mark D. Funston,  who is currently a director of COMNET,  will
resign at the  Effective  Time of the Merger.  The  management  of the Surviving
Corporation will be the same management as that of Group 1 prior to the Merger.

Listing of COMNET stock (page ___)

COMNET will file an  application to list the shares of COMNET Common Stock to be
issued in the Merger on Nasdaq.

Conditions to the Merger (page ___)

The  Merger  will  be  completed  only  if  certain  conditions  are  satisfied,
principally consisting of the following:

     -    COMNET stockholders approve the Merger Agreement; and

     -    Group 1 stockholders approve the Merger Agreement.

Termination of the Merger Agreement (page ___)

The COMNET Board and the Group 1 Board may jointly agree to terminate the Merger
Agreement at any time without completing the Merger.

In addition, either COMNET or Group 1 may terminate the Merger Agreement if:

     -    the stockholders of either COMNET or Group 1 do not approve the Merger
          Agreement;

     -    either  party  breaches  or  does  not  materially   comply  with  the
          representations  or warranties it made or obligations it has under the
          Merger Agreement,  and, as a result,  the conditions to completing the
          Merger cannot be satisfied; or

     -    either the COMNET Board or the Group 1 Board  withdraws or  materially
          modifies its recommendation for the Merger.

Federal Income Tax Considerations (page ___)

Group 1's tax advisors,  Coopers & Lybrand LLP,  have issued an opinion  stating
that (i) as a general matter,  Group 1 stockholders  will not recognize any gain
or loss for federal  income tax  purposes as a result of the Merger,  except if,
and to the extent that, they receive cash in lieu of fractional shares, and (ii)
the Merger will be a tax free  transaction  for both COMNET and Group 1. The tax
opinion  is  attached  hereto as Exhibit  B. WE  ENCOURAGE  YOU TO READ THIS TAX
OPINION CLOSELY.

COMNET stockholders will not be taxed as a result of the Merger.

TAX MATTERS ARE VERY  COMPLICATED AND THE TAX  CONSEQUENCES TO YOU OF THE MERGER
WILL  DEPEND ON THE FACTS OF YOUR OWN  SITUATION.  YOU SHOULD  CONSULT  YOUR TAX
ADVISORS FOR A FULL EXPLANATION OF THE TAX CONSEQUENCES TO YOU OF THE MERGER.

Comparative Per Share Prices of COMNET Common Stock and Group 1 Common Stock

Both the COMNET  Common Stock and Group 1 Common Stock are traded on Nasdaq.  On
April 28,  1998 (the last  trading  day prior to the public  announcement  of an
agreement in principal on the Merger and the Exchange  Ratio),  the high and low
sales prices of the COMNET Common Stock, as reported on Nasdaq,  were $12.50 and
$9.375 respectively,  and the high and low sales prices of Group 1 Common Stock,
as reported on Nasdaq, were $8.00 and $8.00, respectively. On June 22, 1998 (the
last  trading day prior to approval of the Merger  Agreement by the COMNET Board
and the Group 1  Board),  the high and low sales  prices  of the  COMNET  Common
Stock, as reported on Nasdaq, were $13.00 and $12.25, respectively, and the high
and low sales of Group 1 Common Stock,  as reported on Nasdaq,  were $13.125 and
$13.125,   respectively.   Stockholders  are  urged  to  obtain  current  market
quotations. See "MARKETS AND MARKET PRICES."

Certain Significant Considerations

In considering  whether to approve and adopt the Merger Agreement  providing for
the Merger,  stockholders of COMNET and Group 1 should carefully  consider those
factors  described  under  "RISK  FACTORS"  as  well as the  following:  (i) the
Exchange  Ratio  is  fixed  and will not be  adjusted  based on  changes  in the
relative  stock  prices  of the  COMNET  and  Group 1 Common  Stock and (ii) the
relative  stock  prices of COMNET  Common  Stock and Group 1 Common Stock at the
Effective  Time may vary from the  prices  as of the date on which the  Exchange
Ratio was  determined or the date of this Proxy  Statement  Prospectus or on the
date on which  stockholders  of  COMNET  and Group 1 vote on the  Merger  due to
changes in the  business,  operations  or prospects of COMNET or Group 1, market
assessments of the likelihood that the Merger will be consummated and the timing
thereof, general market and economic conditions, and other factors. Group 1 does
not intend to obtain an updated opinion of Valuation Research at or prior to the
Effective Time.

Absence of Appraisal Rights (Page ___)

Stockholders  of COMNET and Group 1 are not entitled to  appraisal  rights under
Delaware law in connection with the Merger.

Accounting Treatment (Page ___)

The Merger  Agreement  provides  that COMNET and Group 1 receive an opinion from
Coopers & Lybrand LLP (COMNET's and Group 1's  independent  accountants)  to the
effect that the Merger will qualify as a tax-free transaction.

The Merger will be accounted for under the "purchase"  method of accounting,  as
described in Accounting  Principles Board Opinion No. 16 and the interpretations
thereof, pursuant to which assets and liabilities of Group 1 must be adjusted to
their fair  values  and  included  with  those of COMNET.  As Group 1 is already
reported on the  consolidated  basis with COMNET any excess of proceeds over the
fair value of the  minority  interest  as  recorded  on  COMNET's  books will be
allocated  to  identifiable  intangible  assets.  Net income of income of COMNET
subsequent  to the  Effective  time will  include net income of Group 1, and the
historical  results of operations of COMNET prior to the Effective time will not
be restated.

Shareholders Suit

COMNET, Group 1 and certain of Group 1's directors have been named as defendants
in a purported  shareholder class action filed on April 28, 1998 in the Court of
Chancery  of  the  State  of  Delaware  (C.A.  No.  16349),  Brickell  Partners,
Individually and on Behalf of All Others Similarly  Situated v. Robert S. Bowen,
et al. The suit alleges breaches of fiduciary duties in that COMNET, as majority
stockholder  of Group 1, "has  greater  knowledge  [of Group 1] than the  public
shareholders  and has timed the [merger]  transaction to take advantage of Group
1's  increased  efficiency  and  prospects  for  profitability",  to the  unfair
disadvantage of Group 1's public shareholders. The defendants have not yet filed
their  initial  responsive  pleading.  Both COMNET and Group 1 believe  that the
complaint is meritless and are actively pursuing  dismissal of all of the claims
made by the Plaintiff in the lawsuit.

<PAGE>



Summary Historical and Pro forma Financial Data

The table below presents selected historical  financial data of COMNET and Group
1 and selected  unaudited pro forma  financial data giving effect to the Merger.
The COMNET and Group 1 selected historical  consolidated financial data for each
of the five  years  ended  March  31,  1998  are  derived  from  the  respective
historical  consolidated  financial statements of COMNET and Group 1, as audited
by Coopers & Lybrand LLP,  independent  public  accountants  for both COMNET and
Group 1. The pro forma data are not  necessarily  indicative  of the  results of
operations  or the  financial  condition  that would have been  reported had the
Merger been in effect during those periods, or as of those dates, or that may be
reported in the future.  Pro forma combined per share data of COMNET and Group 1
give  effect  to the  exchange  of each  share of Group 1 Common  Stock for 1.15
shares of COMNET Common Stock.

The  information  is only a  summary  and  should  be read in  conjunction  with
information  provided in COMNET's and Group 1's Annual Report on Form 10-K which
is  incorporated  by  reference  herein  and the  unaudited  Pro Forma  Combined
Condensed Financial Statement of COMNET and Group 1 which are included elsewhere
in this Proxy Statement Prospectus.

The unaudited pro forma  earnings do not reflect any potential  savings that are
expected to result from the  consolidation of the operations of COMNET and Group
1 and are not  necessarily  indicative  of the future  results of the  Surviving
Corporation.  While the Surviving Corporation expects to achieve benefits, there
can be no assurance  that such benefits  will be realized and, if realized,  the
extent of such benefits.

The  results of COMNET and Group 1 for the years  ended  March 31, 1998 and 1997
are not necessarily  indicative of the results for any subsequent period.  Also,
pro forma amounts are not necessarily indicative of results of operations or the
financial position of the Surviving Corporation that would have resulted had the
Merger been consummated at the beginning of the earliest period indicated.


<PAGE>



                      Selected Consolidated Financial Data
                      (In Thousands, except per share data)
<TABLE>
<CAPTION>
      
                                                          Year Ending March 31,
                                                1998          1997         1996        1995          1994
                                                ----          ----         ----        ----          ----
<S>                                             <C>          <C>          <C>         <C>             <C>
COMNET--HISTORICAL
Statement of Earnings Data:(1)
Revenue                                         $61,004       $54,547     $45,873      $37,883        $31,370
Earnings (loss) from continuing operations       $2,335      $(2,710)      $5,472       $5,241         $3,303
Net earnings (loss) from continuing              $1,150      $(1,600)      $2,832       $2,658         $1,776
     operations
Net loss from discontinued operations                $--           $--         $--      $(282)        $(1,571)
Net earnings (loss)                              $1,150      $(1,600)      $2,832       $2,376           $204
Basic earnings (loss) from continuing
     operations per share of common stock         $0.30       $(0.54)       $0.85        $0.82          $0.54
Basic loss from discontinued operations
     per share of common stock                       $--           $--         $--     $(0.09)         $(0.53)
Basic net earnings (loss) per share               
     of common stock                              $0.30       $(0.54)       $0.85        $0.73          $0.01
Basic weighted average number of shares           3,274         3,263       3,140        3,016          2,978
Diluted earnings (loss) from continuing           $0.29       $(0.54)       $0.79        $0.78          $0.47
     operations per share of common stock
Diluted loss from discontinued operations            
     per share of common stock                        $--           $--         $--     $(0.09)        $(0.46)
Diluted net earnings (loss) per share             $0.29       $(0.54)       $0.79        $0.69          $0.01
Diluted weighted average number of shares         3,299         3,263       3,340        3,164          3,386
Balance Sheet Data:
Working capital                                  $6,692        $4,491      $6,829       $6,787         $8,958
Total assets                                    $70,630       $75,856     $67,192      $57,148        $49,047
Long-term debt                                     $389          $304        $320         $561           $719
Stockholders' equity                            $27,158       $26,212     $27,433      $24,881        $20,337

GROUP 1--HISTORICAL
Statement of Earnings Data:
Revenue                                         $61,006       $54,550     $45,875      $37,921        $31,312
Earnings (loss) from operations                  $2,961      $(1,803)      $5,653       $5,073         $3,548
Net earnings (loss)                              $1,403      $(1,648)      $3,701       $3,272         $2,474
Basic earnings (loss) per share of common
     stock (1)                                    $0.33       $(0.38)       $0.86        $0.76          $0.58
Basic weighted average number of shares
     and common equivalent shares                 4,294         4,294       4,293        4,293          4,293
Diluted earnings (loss) per share                 $0.33       $(0.38)       $0.86        $0.76          $0.57
Diluted weighted average number of shares
     outstanding                                  4,298         4,294       4,323        4,307          4,313
Balance Sheet Data:
Working capital                                  $5,874        $3,154      $5,424       $6.970         $8,403
Total assets                                    $69,462       $74,548     $65,851      $55,181        $45,731
Long-term debt                                     $389         $ 304        $320         $561           $719
Stockholders' equity                            $30,398      $ 29,059     $30,421      $26,624        $23,378

UNAUDITED PRO FORMA COMBINED Statement of Earnings Data:
Revenue                                         $61,004   
Earnings from operations                         $2,048   
Net earnings                                     $1,127   
Net earnings per share of common         
     stock                                         $950   
Basic earnings available to common          
     stockholders                                  0.23   
Diluted earnings per share of               
     common stock                                  0.22   
Balance Sheet Data:
Working capital                                  $6,417   
Total assets                                    $74,643   
Long-term liabilities                            $7,071   
Stockholders' equity                            $36,579   
</TABLE>

    See Note 5 to the unaudited pro forma condensed combined financial data.



<PAGE>

                                  RISK FACTORS

     In addition to the other  information in this Proxy  Statement  Prospectus,
the following risk factors should be considered carefully by the stockholders of
COMNET  and Group 1 in  evaluating  whether  to  approve  and  adopt the  Merger
Agreement providing for the Merger.

Risk Factors That COMNET and Group 1 Stockholders Share

     Technological Advances. The software industry in which Group 1 competes has
experienced,  and will continue to  experience,  rapid  technological  advances,
changes in customer  requirements  and  frequent new product  introductions  and
enhancements.  Developments  and  advancements  in both software  technology and
hardware capability will require  substantial  product development  investments.
Any failure to anticipate or respond  adequately to  technological  developments
and customer  requirements,  or any significant delays in product development or
introduction,   could  have  a  material   adverse   effect  on  the   Surviving
Corporation's  results  of  operations.  There  can  be no  assurance  that  the
Surviving Corporation's new products or product enhancements intended to respond
to technological  change or evolving  customer  requirements will achieve market
acceptance.

     Attraction and Retention of Technical Employees.  The Surviving Corporation
believes  that its future  success will depend in large part upon its ability to
attract, retain and motivate highly skilled employees, including,  particularly,
technical  employees.  The employees who are in highest  demand by the Surviving
Corporation  as  well as the  industry  in  general  are  software  programmers,
software  developers,   application   integrators  and  information   technology
consultants.  These  employees  are likely to remain a limited  resource for the
foreseeable  future.  There can be no assurance  that the Surviving  Corporation
will be able  to  attract  and  retain  sufficient  numbers  of  highly  skilled
technical  employees.  The  loss  of  a  significant  number  of  the  Surviving
Corporation's  technical  employees could have a material  adverse effect on the
business and results of operations of the Surviving Corporation.

     Regulatory Compliance.  The mailing efficiency software licensed by Group 1
must adhere to various  regulations  issued by the United States Postal  Service
("USPS"),   Canada  Post  Corporation   ("CPC"),  and  other  postal  regulatory
authorities. Group 1 has, at times in the past, experienced significant costs in
order to comply with changes in such postal regulatory requirements. There is no
guaranty  that the  requirements  imposed by postal  regulatory  agencies in the
future may not significantly  increase the degree of difficulty in responding to
customers' needs as well as increasing  operating costs associated with delivery
of mailing efficiency products to Group 1 customers.

     Year 2000 Compliance.  Currently,  there is significant  uncertainty in the
software industry and among software users regarding the impact of the Year 2000
on installed software.  For example,  many customers  historically captured only
two digit  entries in the date code field and such two digit entries are used in
the  reports  produced  by Group 1's  software.  Current  versions  of Group 1's
products are designed to be "Year 2000" compliant. Group 1 does not believe that
the  effects  of any Year 2000  non-compliance  in Group 1's  installed  base of
software will result in any material adverse impact on the Group 1's business or
financial  condition.  However,  there can be no  assurance  that the  Surviving
Corporation  will not be exposed  to  potential  claims  resulting  from  system
problems  associated  with the  century  change.  Further,  Group 1 is unable to
predict  the  impact,  if any,  on Group 1 as a result  of its  customers  being
distracted  from their  automation  needs as their  attention is  redirected  or
customer resources are diverted to becoming Year 2000 compliant.

     Fluctuations in Operating  Results.  Group 1 has experienced and may in the
future continue to experience  fluctuations in its quarterly  operating  results
reflecting  in part the fact that  sales  cycles,  from  initial  evaluation  to
purchase,  vary  substantially  from  customer to customer.  Delays in the sales
cycle  frequently  occur  as  a  result  of  competition,  changes  in  customer
personnel,  overall  budgets  and  spending  priorities.  Group 1 has  typically
operated with little  backlog for license  revenues  because  software  products
generally  are shipped  soon after  orders are  received.  As a result,  license
revenues in any quarter are substantially dependent on orders booked and shipped
in that  quarter.  The delay of customer  orders for  licenses  could  adversely
affect the license revenues for a given fiscal quarter. Group 1 has historically
achieved a substantial  portion of its license revenues in the last weeks of any
particular  quarter,  and  has  historically  experienced  its  highest  license
revenues in the fourth  quarter of its fiscal year.  This timing  pattern  makes
Group 1's financial results for each quarter or year particularly  vulnerable to
any delay in closing licensing agreements in such period.

     Risk of Software Defects.  Complex software products, such as those offered
by Group 1, can contain undetected errors or performance problems.  Such defects
are most frequently found during the period immediately  following  introduction
of new products or  enhancements of existing  products.  Group 1's products have
from  time  to  time  contained  software  errors  that  were  discovered  after
commercial introduction.  There can be no assurance that performance problems or
errors will not be  discovered  in Group 1's products in the future.  Any future
software defects discovered after shipment of the Group 1 products, if material,
could result in loss of  revenues,  delays in customer  acceptance  or potential
product liability.

     Dividends.  To date, neither COMNET nor Group 1 has paid any cash dividends
on their  respective  Common Stock, and do not expect to declare or pay any cash
or other dividends in the foreseeable  future. The COMNET Preferred Stock pays a
dividend of $1.20 per share out of funds legally available to pay dividends.

     Competition.   The  computer   software  and  service  industry  is  highly
competitive.  No  published  data is  available  regarding  Group  1's  relative
position  in the  markets in which it  operates.  Although  no major  competitor
currently  competes against Group 1 across its entire product line,  competitive
products  offer  many  similar  features.   Group  1's  existing  and  potential
competitors include companies having greater financial,  marketing and technical
resources  than Group 1. Group 1 believes  that there are at least 34  companies
that offer products competitive with one or more of Group 1's products.  Group 1
believes that six companies offer customer information management systems and at
least 12 companies offer database marketing  systems.  At least four competitors
are  in  the  document  composition  and  production  marketplace.  For  mailing
efficiency  products,  at least two competitors offer products that compete with
Group 1 on open  system and  mainframe  platforms.  Group 1  experiences  strong
competition in the market for postal coding and  presorting  software from these
competitors.  There can be no  assurance  that one or more of these  competitors
will not develop  products that are equal or superior to the products Group 1 is
marketing  or expects  to market in the  future.  In  addition,  many  potential
clients at which Group 1's products are targeted  have  in-house  capability  to
develop computer software programs.

     Limited Product  Protection.  Group 1 regards its software,  in sources and
object code as  proprietary,  and relies upon a combination  of contract,  trade
secret and  copyright  laws to protect  its  products  and  related  manuals and
documentation. The license agreements under which clients use Group 1's products
generally  restrict a client's  use to its own  operations  and always  prohibit
unauthorized disclosure to third persons. Notwithstanding these restrictions, it
may be  possible  for  other  persons  to  use of  Group  1's  products  without
authorization.

Risk Factors That COMNET and Group 1 Do Not Share.

     Liquidation Preference. Currently, upon liquidation of Group 1, the holders
of Group 1 Common  Stock  would be entitled  to receive  the  proceeds  from the
liquidation  of Group 1's assets after secured  creditors  (and any other senior
creditors that may be approved by the appropriate  judicial authority) have been
paid.  Former holders of Group 1 Common Stock,  who will own COMNET Common Stock
following and as a result of the Merger would also be  subordinate to holders of
COMNET  Preferred  Stock  in  the  event  of  a  liquidation  of  the  Surviving
Corporation.

     Dilution. Following consummation of the Merger, former Group 1 stockholders
(excluding  COMNET  as a Group  1  Stockholder),  who own  18.2%  of  Group  1's
outstanding Common Stock as of the Record Date, will own approximately  22.1% of
the Common Stock of the Surviving Corporation. The interest of holders of COMNET
Common Stock is subject to dilution as a result of the  exercise of  outstanding
stock options with respect to COMNET  Common Stock and  conversion of the COMNET
Preferred  Stock to COMNET Common  Stock.  See  "Description  of COMNET Stock --
COMNET 6%  Cumulative  Convertible  Preferred  Stock."  Holders of COMNET Common
Stock,  who owned 100% of COMNET  Common Stock as of the Record  Date,  will own
approximately 77.9% of the Common Stock of the Surviving  Corporation  following
the Merger.


<PAGE>


                           THE STOCKHOLDERS' MEETINGS

General

     This Proxy  Statement  Prospectus  is being  furnished to holders of COMNET
Common Stock in connection with the  solicitation of proxies by the COMNET Board
for use at the COMNET Meeting to be held at One Liberty Plaza,  46th Floor,  New
York, New York 10292, at 10:30 a.m., on September 25, 1998.

     This Proxy Statement Prospectus is also being furnished to holders of Group
1 Common Stock in  connection  with the  solicitation  of proxies by the Group 1
Board for use at the  Group 1  Meeting  to be held at One  Liberty  Plaza,  46th
Floor, New York, New York 10292, at 10:00 a.m., on September 25, 1998.

     This Proxy  Statement  Prospectus and the  accompanying  forms of proxy are
first being mailed to stockholders of COMNET and Group 1 on or about August ___,
1998.

Matters to Be Considered at the Stockholders' Meetings

     COMNET.  At the COMNET  Meeting,  stockholders  of COMNET  will be asked to
consider and vote upon (i) a proposal to approve and adopt the Merger  Agreement
providing  for the Merger;  (ii) a proposal  to amend  COMNET's  Certificate  of
Incorporation  (the "COMNET  Certificate"),  increasing  the number of shares of
COMNET Common Stock COMNET is authorized to issue from 10 million to 14 million,
(iii) the election of three directors to serve until the third annual meeting of
stockholders of the Surviving Corporation following their election and until the
election and  qualification  of their  successors,  (iv) a proposal to amend the
COMNET 1995  Non-Employee  Director's Stock Option Plan (the "Plan") to increase
the number of shares of COMNET  Common  Stock that may be issued  under the Plan
from 150,000 to 300,000 shares; and (iv) such other matters as may properly come
before the COMNET Meeting.

     THE COMNET  BOARD HAS ADOPTED  THE  RECOMMENDATIONS  OF THE COMNET  SPECIAL
COMMITTEE  REGARDING  THE TERMS OF THE MERGER.  THE COMNET BOARD HAS  DETERMINED
THAT THE MERGER IS IN THE BEST INTERESTS OF THE COMNET STOCKHOLDERS.  THE COMNET
BOARD THEREFORE  UNANIMOUSLY  RECOMMENDS THAT COMNET STOCKHOLDERS VOTE "FOR" THE
MERGER. THE COMNET BOARD UNANIMOUSLY  RECOMENDS THAT STOCKHOLDERS VOTE "FOR" THE
ELECTION OF THE NOMINEES  FOR  DIRECTOR AND THE OTHER  PROPOSAL SET FORTH IN THE
NOTICE OF ANNUAL MEETING OF STOCKHOLDERS.

     Group 1. At the Group 1 Meeting,  stockholders  of Group 1 will be asked to
consider and vote upon (i) a proposal to approve the Merger Agreement  providing
for the  Merger,  and (ii) such other  matters as may  properly  come before the
Group l Meeting.

     THE GROUP 1 BOARD HAS  ADOPTED THE  RECOMMENDATIONS  OF THE GROUP 1 SPECIAL
COMMITTEE  REGARDING THE TERMS OF THE MERGER.  THE GROUP 1 BOARD HAS  DETERMINED
THAT THE MERGER IN THE BEST INTERESTS OF THE GROUP 1  STOCKHOLDERS.  THE GROUP 1
BOARD THEREFORE UNANIMOUSLY  RECOMMENDS THAT GROUP 1 STOCKHOLDERS VOTE "FOR" THE
MERGER AGREEMENT.

Record Date; Stock Entitled to Vote; Quorum

     COMNET.  The COMNET  Board has fixed the close of business on July 27, 1998
as the record date for the COMNET Meeting (the "Record  Date").  Only holders of
record of shares of COMNET Common Stock and holders of COMNET Preferred Stock on
the Record Date are  entitled to notice of, and to vote at, the COMNET  Meeting.
On the Record Date,  there were _____ shares of COMNET  Common Stock and 147,500
of COMNET Preferred Stock issued and outstanding.

     Each holder of record of COMNET Common Stock and COMNET  Preferred Stock on
the Record Date is entitled  to cast one vote per share on each  proposal  being
presented at the COMNET Meeting. The presence, in person or by proxy, of holders
of a  majority  of the  outstanding  shares of COMNET  Common  Stock and  COMNET
Preferred  Stock  entitled to vote is  necessary  to  constitute a quorum at the
COMNET Meeting.

     As of the Record Date, the directors and executive  officers of COMNET were
entitled to vote  approximately  ___% of the outstanding shares of COMNET Common
Stock  and ___% of the  outstanding  shares  of  COMNET  Preferred  Stock.  Each
director and executive  officer of COMNET who owns shares of COMNET Common Stock
and/or  COMNET  Preferred  Stock has  advised  COMNET that he intends to vote or
direct the vote, of all such shares over which he has voting control, subject to
and  consistent  with any fiduciary  obligations in the case of shares held as a
fiduciary, in favor of approval of the Merger.

     Group 1. The Group 1 Board has also fixed the close of business on July 27,
1998 as the  Record  Date for the Group 1  Meeting.  Only  holders  of record of
shares of Group 1 Common Stock on the Record Date are entitled to notice of, and
to vote at, the Group 1 Meeting.  On the Record  Date,  there were ___ shares of
Group 1 Common Stock issued and outstanding.

     Each  holder  of  record  of Group 1 Common  Stock  on the  Record  Date is
entitled  to cast one vote per share on each  proposal  being  presented  at the
Group 1  Meeting.  The  presence,  in person or by proxy,  of the  holders  of a
majority of the  outstanding  shares of Group 1 Common Stock entitled to vote is
necessary to constitute a quorum at the Group 1 Meeting.

COMNET Stockholder Vote Required

     The  affirmative  vote of the  holders of at least a majority  of the total
number of outstanding  shares of COMNET Common Stock and COMNET Preferred Stock,
considered as one class,  entitled to vote at the COMNET  Meeting is required to
adopt the Merger Agreement providing for the Merger.

Group 1 Stockholder Vote Required

     The  affirmative  vote of the  holders of at least a majority  of the total
number of  outstanding  shares of Group 1 Common  Stock  entitled to vote at the
Group 1 Meeting is  required  to adopt the Merger  Agreement  providing  for the
Merger.

     AS OF THE RECORD  DATE,  COMNET  OWNED 81.2% OF THE ISSUED AND  OUTSTANDING
SHARES OF GROUP 1 COMMON  STOCK.  COMNET  INTENDS  TO VOTE ITS SHARES OF GROUP 1
COMMON  STOCK IN FAVOR OF THE  MERGER  AND THE OTHER  PROPOSALS  SET OUT IN THIS
PROXY  STATEMENT.  IF COMNET VOTES ITS GROUP 1 COMMON STOCK IN THIS MANNER,  THE
MERGER WILL BE APPROVED BY A MAJORITY OF THE STOCKHOLDERS OF GROUP 1.

Voting of Proxies

     Shares represented by properly executed proxies for received prior to or at
the COMNET  Meeting,  and not  revoked,  will be voted at the COMNET  Meeting in
accordance  with the  instructions  indicated  thereon.  Shares  represented  by
properly  executed  proxies  received  the Group 1 Meeting  will be voted at the
Group 1 Meeting.  Proxies that do not contain voting  instructions will be voted
FOR  approval  of the  proposals  set forth in the  Notice of Annual  Meeting of
Stockholders of COMNET Meeting and the Notice of Special Meeting of Stockholders
of Group 1, respectively.

     Abstentions and broker non-votes will be included in the calculation of the
number  of  shares  represented  at the  respective  meetings  for  purposes  of
determining whether there is a quorum, but will be counted as a vote against the
proposals to be considered and voted upon at the COMNET and Group 1 Meeting.

Revocability of Proxies

     The grant of a proxy on the  enclosed  form of proxy  does not  preclude  a
stockholder  from  attending  and voting in person at the COMNET  Meeting or the
Group 1 Meeting, as the case may be.

     A COMNET  stockholder  may revoke a proxy at any time prior to its exercise
by delivering to the Secretary of COMNET a duly executed  proxy or revocation of
proxy  bearing  a later  date or by voting  in  person  at the  COMNET  Meeting.
Attendance  at the  COMNET  Meeting  will  not in and  of  itself  constitute  a
revocation of a proxy.

     A Group 1 stockholder  may revoke a proxy at any time prior to its exercise
by delivering to the Secretary of Group 1 a duly executed proxy or revocation of
proxy  bearing a later  date or by  voting  in  person  at the Group 1  Meeting.
Attendance at the Group 1 Meeting will not of itself constitute  revocation of a
proxy.

Solicitation of Proxies

     COMNET and Group 1 will bear the cost of the  solicitation  of proxies from
their respective stockholders, except that COMNET and Group 1 will share equally
in the cost of printing this Proxy Statement  Prospectus and the applicable fees
associated  with  the  filing  of  this  Proxy  Statement  Prospectus  with  the
Commission.  In addition to  solicitation  by mail, the directors,  officers and
employees of each of COMNET and Group 1 and its subsidiaries may solicit proxies
from  stockholders  of such  company  by  telephone  or  telegram  or in person.
Arrangements  will  also be made with  brokerage  houses  and other  custodians,
nominees and  fiduciaries  for the  forwarding of  solicitation  material to the
beneficial  owners of voting  securities  of COMNET  and Group 1, and COMNET and
Group 1 will  reimburse  such  custodians,  nominees and  fiduciaries  for their
reasonable out-of-pocket expenses in connection therewith.

     Corporate  Investor  Communications,  Inc. (the "Soliciting  Agent") of New
Jersey  will  assist  COMNET and Group 1 in the  solicitation  of  proxies.  The
Soliciting Agent will receive fees for its services not to exceed $7,000.

     Neither the COMNET Board nor the Group 1 Board is aware of any matter other
than those set forth in this  Proxy  Statement  Prospectus  that will be brought
before the COMNET  Meeting or the Group 1 Meeting,  respectively.  If,  however,
other matters are properly presented at either the COMNET Meeting or the Group 1
Meeting,  proxies will be voted in accordance with the discretion of the holders
of such proxies.


<PAGE>
                               THE PROPOSED MERGER

General

     The  following is a brief  summary of certain  aspects of the Merger.  This
summary  does not purport to be complete  and is  qualified  in its  entirety by
reference  to the Merger  Agreement,  which is attached to this Proxy  Statement
Prospectus as Exhibit A and is incorporated by reference herein.

     At the  Effective  Time,  Group 1 will be merged with and into COMNET,  and
Group 1 will  cease to  exist  as a  separate  corporation.  COMNET  will be the
surviving  corporation  in the  Merger  and  will  change  its  name to  Group 1
Software,  Inc. COMNET,  renamed as Group 1 Software,  Inc., will continue Group
1's current business of developing and licensing  software  products and related
services.  See  "DESCRIPTION OF THE COMPANIES." The certificate of incorporation
of COMNET (the  "COMNET  Certificate")  and the  by-laws of COMNET (the  "COMNET
By-Laws ") in effect  immediately prior to the Merger will be the certificate of
incorporation and the by-laws of the Surviving Corporation following the Merger.

     At the Effective Time, each then-outstanding  share of Group 1 Common Stock
(other than  shares  held in the  treasury of Group 1 and shares held by COMNET)
will be converted  into the right to receive 1.15 shares of COMNET Common Stock.
The exchange ratio of 1.15 shares of COMNET Common Stock for each share of Group
1 Common Stock, as set forth in the Merger Agreement, is hereinafter referred to
as the "Exchange Ratio."  Notwithstanding the foregoing, no fractional shares of
COMNET Common Stock will be issued in the Merger,  and holders of Group 1 Common
Stock  whose  shares are  converted  in the Merger  will be  entitled  to a cash
payment in lieu of fractional shares of COMNET Common Stock.

     None of the shares of COMNET  Common  Stock will be  converted or otherwise
modified in the  Merger.  All of such  shares  will  continue to be  outstanding
capital stock of COMNET, as the Surviving Corporation, after the Effective Time.

     A description of the relative  rights,  privileges  and  preferences of the
shares of COMNET Common Stock,  including certain material  differences  between
the shares of COMNET Common Stock and the Group Common Stock, is set forth under
"DESCRIPTION OF COMNET STOCK" and "COMPARISON OF STOCKHOLDER RIGHTS."

Effective Time

     The Merger will become  effective at such time as the certificate of merger
required under Delaware law is filed with the Secretary of State of the State of
Delaware (the  "Effective  Time").  The filing of the certificate of merger will
occur as soon as practicable, but no later than the third business day after the
last to  occur  of the  following  events:  (i)  the  receipt  of the  necessary
stockholder  approvals  required to consummate the Merger, and (ii) satisfaction
of the  conditions  to the  consummation  of the  Merger set forth in the Merger
Agreement, unless another date is agreed to by COMNET and Group 1.

Conversion of Shares; Procedures for Exchange of Certificates; Fractional Shares

     The  conversion of shares of Group 1 Common Stock into the right to receive
COMNET Common Stock will occur  automatically  at the Effective Time. As soon as
practicable  after the Effective  Time,  American Stock Transfer & Trust Co., as
the Exchange Agent, will send a transmittal  letter to each Group 1 stockholder.
The  transmittal  letter will contain  instructions  on how to obtain  shares of
COMNET Common Stock in exchange for shares of Group 1 Common Stock.

     GROUP 1 STOCKHOLDERS  SHOULD NOT RETURN THEIR STOCK  CERTIFICATES  WITH THE
ENCLOSED PROXY CARD. IF THE MERGER IS CONSUMMATED,  STOCK CERTIFICATES SHOULD BE
DELIVERED IN ACCORDANCE WITH  INSTRUCTIONS  SET FORTH IN A LETTER OF TRANSMITTAL
WHICH WILL BE SENT TO GROUP 1 STOCKHOLDERS  BY THE EXCHANGE AGENT PROMPTLY AFTER
THE EFFECTIVE TIME OF THE MERGER.

     After the Effective Time,  each  certificate  that  previously  represented
shares of Group 1 Common  Stock will  represent  only the right to  receive  the
number of shares of COMNET Common Stock into which such shares were converted in
the Merger and the right to receive cash in lieu of fractional  shares of COMNET
Common Stock as described below.

     All shares of COMNET Common Stock issued upon conversion of shares of Group
1 Common Stock  (including  any cash paid in lieu of fractional  shares) will be
deemed to have been issued in full satisfaction of all rights pertaining to such
shares of Group 1 Common Stock.

     No  fractional  shares of COMNET Common Stock will be issued to any Group 1
stockholder upon the surrender for exchange of certificates representing Group 1
Common Stock.  Promptly  after the Effective  Time,  each holder of a fractional
share  interest will be paid an amount in cash equal to the product  obtained by
multiplying (i) the fractional share interest to which such holder (after taking
into account all  fractional  share  interests  then held by such holder)  would
otherwise  be entitled  to receive by (ii) the closing  sale price of a share of
COMNET  Common  Stock as  reported  on Nasdaq  on the  trading  day  immediately
preceding the date of the  Effective  Time. No interest will be paid on any cash
amounts paid in lieu of fractional shares.

Nasdaq Listings

     It is a condition to the  consummation of the Merger that the COMNET Common
Stock issued in the Merger in exchange  for Group 1 Common  Stock be  authorized
for listing on Nasdaq subject to official notice of issuance.

Background of the Merger

     At a June 24, 1997 meeting, the COMNET Board directed management to develop
a preliminary recommendation and plan, for the COMNET Board's consideration,  to
merge COMNET and Group 1.  Similarly,  the Group 1 Board directed  management to
evaluate  the  benefits  and effects of such a merger for  consideration  by the
Group 1 Board.  Management of the companies  reviewed the matter with particular
emphasis  on the cost  savings  they  believed  could be expected to result from
merging the two companies  and the benefit of having a greater  number of shares
of COMNET Common Stock available in the market following the Merger.  Management
of COMNET and Group 1 met with Valuation  Research and another merger  valuation
firm to explore how a merger  between  COMNET and Group 1 could be effected in a
manner most advantageous to the stockholders of COMNET and Group 1, with counsel
to the companies to discuss the legal implications of a possible merger and with
Coopers  &  Lybrand  LLP  (the  independent  accounts  for  both  companies)  to
preliminary discuss the tax and accounting treatment of a merger. These meetings
were  preliminary  in  nature  and  did  not  involve  substantive  analysis  or
negotiations on the Merger.

     Based on preliminary  advice  received from  financial and legal  advisors,
both the  COMNET  Board  and  Group 1 Board  concluded  that a merger of the two
companies  warranted  further  and  more  serious  consideration,  and  that the
appointment  of Special  Committees  for the purpose of  considering  the merger
would be  appropriate.  At its  October  30,  1997  meeting,  the  Group 1 Board
constituted a Special Committee comprised of Messrs. Thomas Buchsbaum and Joseph
Sullivan (the "Group 1  Committee").  Both  directors  serve only on the Group 1
Board and are not  employees of either Group 1 or COMNET.  The Group 1 Committee
was  charged  with  evaluating,  on behalf of Group 1, the  issues of concern to
Group 1 related to the Merger; to retain legal counsel and financial advisors to
assist  the  Group 1  Committee  in its  work;  to  negotiate  with  independent
representatives  of COMNET over the terms and  conditions of the Merger;  and to
present a report and recommendations  regarding the Merger to the entire Group 1
Board for its review and approval.

     The  COMNET  Board  constituted  its own  Special  Committee  (the  "COMNET
Committee")  by  action  taken at its  November  6,  1997  meeting.  The  COMNET
Committee consists of Messrs.  James Marden and Bruce Spohler each of whom is an
independent  director.  The COMNET Committee was charged with the responsibility
of evaluating,  on behalf of COMNET,  the issues of concern to COMNET related to
the Merger; to retain independent legal counsel and financial advisors to assist
that  committee in its work; to negotiate the terms and conditions of the Merger
with the  members of the Group 1 Special  Committee  and to present a report and
recommendations  regarding  the Merger to the entire COMNET Board for its review
and approval. The COMNET Committee convened a meeting,  reviewed the question of
retaining  legal  counsel  and  agreed  to  retain  the law firm of  Cadwalader,
Wickersham & Taft  ("Cadwalader")  to act as special legal counsel to the COMNET
Committee,   and  to   advise   that   committee   on  the   discharge   of  its
responsibilities.

     On November 16, 1997,  the Group 1 Committee  met and retained the law firm
of Arent  Fox  Kintner  Plotkin & Kahn PLLC  ("Arent  Fox") to serve as  special
counsel to that  committee.  Both  Cadwalader and Arent Fox have performed legal
work for COMNET and Group 1 in the past, but neither is currently engaged in any
material  project for either  company.  For the next  several  weeks the Group 1
Committee  considered  whether  to retain a  financial  advisor  to  assist  the
Committee,  what the scope of such an engagement would involve and who should be
retained to perform it. At its December 23, 1997 meeting,  the Group 1 Committee
determined that it was advisable to retain a financial advisor to assist it, and
to render an opinion as to the fairness of the financial  terms of the Merger to
Group 1  stockholders.  Since COMNET owns  approximately  81% of the outstanding
shares of Group 1 Common Stock and has the power to elect all  directors  and to
approve or disapprove the Merger,  the Group 1 Committee  determined that it was
important to obtain an independent  evaluation of fairness of the terms. At that
meeting,  the Group 1  Committee  also  determined  that it wished to  interview
Valuation  Research for this engagement.  Valuation Research was then invited to
join the meeting.  Valuation  Research  presented its qualifications to serve as
the  financial  advisors to the Group 1 Committee and to render an opinion as to
the  fairness of the terms of the Merger,  once such terms have been agreed upon
by COMNET and Group 1. The Group 1 Committee  determined that Valuation Research
was  qualified to assist the Group 1 Committee as its  financial  advisor and to
render a fairness opinion. Accordingly, the Group 1 Committee retained Valuation
Research to perform these services.

     The COMNET Committee  convened on several  occasions in late 1997 and early
1998 with  Cadwalader,  its legal  counsel,  and also concluded that it would be
appropriate to retain a financial  advisor to assist it in the  structuring of a
fair proposal for the merger,  to consider the impact of certain  capital issues
(such as the outstanding stock options and COMNET Preferred Stock), to assist in
the  negotiations  with the Group 1 Committee  and to assist in  evaluating  the
appropriateness of the fairness opinions obtained by the Group 1 Committee.

     On January 8 and 9, 1998, the COMNET  Committee and Cadwalader  interviewed
several  qualified   financial  advisors  and  shortly  thereafter  engaged  the
investment  banking  firm of Ferris,  Baker,  Watts,  Inc.  ("FBW") to act as an
independent advisor to the COMNET Committee.

     On  January  29,  1998,  Cadwalader  and FBW met  with the  COMNET  Special
Committee and outlined a number of financial issues to be considered and the due
diligence  efforts to be undertaken by Cadwalader and FBW in connection with the
transaction. On February 19, 1998, Cadwalader and FBW met with senior executives
and the respective  Chief Legal Officers and Chief Financial  Officers of COMNET
and Group 1 in an effort to evaluate the financial,  legal and capital structure
issues relevant to the proposed merger.  This meeting and the subsequent  review
and  analysis  focused on the  capital  structure  of COMNET,  particularly  the
outstanding  options and COMNET  Preferred  Stock,  intercompany  agreements and
accounts,  tax sharing  arrangement,  assets of COMNET  (other than its majority
interest in Group 1) and direct  liabilities of COMNET (absolute or contingent).
COMNET and Group 1 officers, both at the meeting and subsequently,  provided all
information and documentation  requested by either Cadwalader or FBW in order to
complete their due diligence analysis.

     In  late  February  1998,  the  COMNET  Committee  met and  conferred  with
Cadwalader  and FBW to review the due diligence  survey that had been  conducted
and to consider making a proposal to the Group 1 Committee. The COMNET Committee
concluded  that it would be  appropriate  to  offer an  exchange  ratio of .9428
shares  of  COMNET  Common  Stock for each  share of Group 1 Common  Stock.  The
proposal was promptly  forwarded to the Group 1 Committee by FBW and Cadwalader.
At a meeting between the COMNET  Committee and its legal and financial  advisors
and the Group 1  Committee  and its legal and  financial  advisors,  the Group 1
Committee  advanced a counter  proposal  whereby  the  exchange  ratio  would be
approximately  1.29.  Extensive  negotiations  followed  concerning the relevant
factors in each of the  proposals  during the meeting and over the next  several
days.  Particular emphasis was placed on the value of the extensive COMNET stock
options outstanding,  the impact of the COMNET Preferred Stock, the intercompany
payable  owed by  Group 1 to  COMNET  and the  value  of the  COMNET  management
agreements.  Also,  considered  were the impact of increased  liquidity  for the
stockholders of both companies,  the reduction of expenses after the merger that
are presently  incurred as a result of having two public  companies and a number
of other factors.

     On April 23, 1998, after numerous negotiating sessions between the advisors
of the  companies,  the  COMNET  Committee  offered,  and the Group 1  Committee
accepted,  a proposal  whereby the  exchange  ratio in the Merger  would be 1.15
shares  of COMNET  Common  Stock for each  share of Group 1 Common  Stock.  This
proposal  was  considered  by  Valuation  Research  which  has  opined  that the
transaction is fair from a financial point of view to Group 1 stockholders.  FBW
subsequently  reviewed the Opinion of Valuation  Research and advised the COMNET
Committee  that the  Opinion  had  considered  the  appropriate  factors and was
properly and professionally done and that it was not unreasonable to rely on the
Opinion as it was not inconsistent with its analysis.

     At a  special  meeting  of the  Group 1 Board  held on April  27,  1998,  a
detailed  presentation  was made by the Group 1  Committee  as well as Group 1's
general counsel  regarding the Merger between COMNET and Group 1. With its legal
counsel  available,  the Group 1 Committee reported to the full Group 1 Board on
the progress of negotiations  with the COMNET  Committee.  The Group 1 Committee
detailed  for  the  Group 1  Board  the  various  issues  considered,  including
examination of any COMNET assets and liabilities that are not shared by Group 1,
the  dilutive  effect  on  Group 1  public  stockholders  at the  Merger  of the
outstanding  COMNET  options and the  intercompany  accounts  between COMNET and
Group 1.

     At a special meeting of the COMNET Board held on April 27, 1998, the COMNET
Board  reviewed in detail the  discussions  held to that date between COMNET and
Group 1, the due diligence  investigation conducted by management and a draft of
the proposed  Merger  Agreement.  The legal  presentation  focused on the COMNET
Board's  fiduciary  responsibilities  and the terms and  conditions of the draft
Merger Agreement.  FBW's presentation focused on evaluations of COMNET and Group
1  and  analyses  of  COMNET   strategic   alternatives,   including   remaining
independent.  At that meeting,  the Exchange  Ratio and the general terms of the
Merger were approved by the COMNET Board  subject to completion of  negotiations
of a definitive merger agreement.

     On June 22, 1998, upon completion of the negotiations, the COMNET and Group
1 Boards  each held a special  meeting  to review  and  consider  the terms of a
merger agreement between the two companies.  Following  detailed  discussion the
COMNET  Board and the Group 1 Board each  determined  that the Merger was in the
best long-term interests of their respective stockholders.  The COMNET Board and
the Group 1 Board each approved the Merger Agreement providing for the Merger at
their respective meetings.

Recommendations of the COMNET Board and COMNET's Reasons for the Merger

     THE COMNET BOARD HAS ADOPTED THE  RECOMMENDATIONS  OF THE COMNET COMMITTEE.
THE COMNET  COMMITTEE HAS DETERMINED THAT THE MERGER IS FAIR TO, AND IN THE BEST
INTERESTS  OF,  COMNET  AND  ITS  STOCKHOLDERS.  THE  COMNET  BOARD  UNANIMOUSLY
RECOMMENDS TO THE  STOCKHOLDERS  OF COMNET THAT THEY VOTE "FOR"  APPROVAL OF THE
MERGER AGREEMENT PROVIDING FOR THE MERGER.

     The COMNET Board  believes that the Merger will serve the best interests of
the COMNET stockholders because the Merger will increase the number of shares of
COMNET  Common  Stock held by the  public.  In  addition,  the COMNET  Committee
expects  that the Merger will reduce costs and other  inefficiencies  as well as
the market confusion related to COMNET's holding company standing.

     In reaching its  conclusion to recommend  approval of the Merger  Agreement
providing  for  the  Merger,  the  COMNET  Committee   consulted  with  COMNET's
management,  as well as its special legal counsel and its independent  financial
advisors, and considered a number of factors, including the following:

     (i) The presentation of FWB, the COMNET Committee's financial advisors;

     (ii) The expectation that the Merger would benefit COMNET by increasing the
number of shares held by the public,  reducing costs and other inefficiencies as
well as the market confusion related to COMNET's holding company status.

     The foregoing  discussion of information  and factors  considered and given
weight by the COMNET  Board is not intended to be  exhaustive,  but includes all
material  factors  considered by the COMNET Board. In reaching its decision with
respect to the Merger,  the COMNET Board did not find it practicable to, and did
not,  quantify or otherwise  attempt to assign relative weights to the foregoing
factors in  reaching  determinations.  In  addition,  individual  members of the
COMNET Board may have given different weights to different factors.

Recommenadations of the Group 1 Board and Group 1's Reasons for the Merger

     THE GROUP 1 BOARD HAS ADOPTED THE RECOMMENDATIONS OF THE GROUP 1 COMMITTEE.
THE GROUP 1 COMMITTEE HAS DETERMINED THAT THE MERGER IS FAIR TO, AND IN THE BEST
INTERESTS  OF,  GROUP  1 AND ITS  STOCKHOLDERS.  THE  GROUP 1 BOARD  UNANIMOUSLY
RECOMMENDS TO THE  STOCKHOLDERS  OF GROUP 1 THAT THEY VOTE "FOR" APPROVAL OF THE
MERGER AGREEMENT PROVIDING FOR THE MERGER.

     In reaching its decision to recommend approval of the Merger Agreement, the
Group 1 Special  Committee  considered  the  following,  without  assigning  any
relative or specific weight:

     (i) The perceived  efficiencies  of Group 1, and the potential  benefits to
Group 1  stockholders  of  increasing  the number of shares  held by the public,
reducing costs and other  inefficiencies as well as the market confusion related
to COMNET's  holding company status,  may result from  consolidation  of Group 1
into COMNET through the Merger;

     (ii) The fact that the exchange of Group 1 Common  Stock for COMNET  Common
Stock can be effected on a tax-free basis for Group 1 stockholders; and

     (iii) The  opinion  of  Valuation  Research  that the  terms of the  Merger
Agreement  are fair to the  stockholders  of COMNET and Group 1 from a financial
point of view.

     On the basis of these  considerations,  the Merger  Agreement was approved,
and  GROUP  1'S  BOARD  OF  DIRECTORS   UNANIMOUSLY   RECOMMENDS  THAT  GROUP  1
STOCKHOLDERS  VOTE "FOR"  APPROVAL  OF THE MERGER  AGREEMENT  PROVIDING  FOR THE
MERGER.

Opinion of Group 1 Financial Advisors

     Pursuant to an  engagement  letter dated  January 7, 1998,  as amended (the
"Engagement  Letter"),  Group 1 retained Valuation Research to provide financial
advisory  services in  connection  with the Merger.  At a meeting of the Group 1
Board held on June 8, 1998, Valuation Research discussed its opinion and advised
the Board that the Exchange Ratio was fair,  from a financial  point of view, to
Group 1 and its stockholders.  The final opinion, a copy of which is attached as
Exhibit C to this Proxy Statement, is dated as of June 8, 1998 (the "Opinion").
The following summary of the Opinion,  which contains certain limitations on the
review undertaken by Valuation Research in connection with such Opinion.

     In  arriving  at its  Opinion,  Valuation  Research,  among  other  things,
reviewed the Merger Agreement and held separate  discussions with certain senior
officers, directors and other representatives and advisors of COMNET and Group 1
concerning  the  businesses  of COMNET and Group 1,  examined  certain  publicly
available business and financial  information  relating to both COMNET and Group
1, and  examined  other  information  and data  concerning  COMNET  and  Group 1
provided  by or  otherwise  discussed  with  management  of COMNET  and Group 1.
Valuation  Research  also  reviewed  the terms of the Merger as set forth in the
Merger  Agreement  in relation to, among other  things,  current and  historical
market  prices and  trading  volumes of COMNET  Common  Stock and Group 1 Common
Stock,  the historical  earnings and other  operating data of COMNET and Group 1
and the capitalization and financial  condition of COMNET and Group 1. Valuation
Research also considered to the extent publicly  available,  the financial terms
of certain other exchange  transactions  recently effected which were considered
relevant in evaluating the Merger.  In addition to the  foregoing,  it conducted
such other  analyses  and  examinations  and  considered  such other  financial,
economic  and  market  criteria  as it deemed  appropriate  in  arriving  at the
Opinion.

     Valuation  Research  determined  that  the  independent  valuation  of  the
individual  businesses of COMNET and Group 1 was not required since COMNET owned
approximately  81.2% of the  Group 1 Common  Stock,  Group 1 was  COMNET's  sole
operation,  COMNET's other assets or investments were  insignificant and neither
COMNET nor Group 1 had any separate  liabilities  other than those  specifically
discussed  below. To reach its Opinion,  Valuation  Research first  determined a
ratio which would maintain the percentage  ownership  relationship which existed
prior  to  the  Merger.  This  ratio  was  then  adjusted  for  the  substantive
differences in financial position between COMNET and Group 1, namely that COMNET
had 147,500 shares of COMNET Preferred Stock outstanding,  and had approximately
1.15 million options  outstanding  (the "COMNET  Options"),  while Group 1 had a
debt  obligation  to COMNET.  Since neither the COMNET  Preferred  Stock nor the
COMNET  Options were traded in the  marketplace,  Valuation  Research  appraised
their fair market values. The exchange ratio was then adjusted upward to reflect
the fair  market  values of the  Preferred  Stock  and the  COMNET  Options  and
adjusted  downward  to  reflect  the  stated  debt  owned by Group 1 to  COMNET.
Valuation  Research  concluded that the 1.15 shares of Common Stock of COMNET to
be issued for each 1 share of Group 1 Common Stock held by the  stockholders  of
Group 1 on the  Effective  Date was fair from a  financial  point of view to the
Group 1 stockholders.

     As stated in the Opinion,  Valuation Research assumed,  without independent
verification,  the accuracy and completeness of the information  furnished to it
by COMNET and Group 1, including the financial  statements  and other  operating
and  financial  benefits  anticipated  from the  Merger,  and that such data was
reasonably prepared.  Valuation Research did not make any independent  valuation
or appraisal of the assets or  liabilities  of COMNET or Group 1,  respectively,
nor was  Valuation  Research  furnished  with  any  such  appraisals.  Valuation
Research  assumed  that the  Merger  would be  accounted  for as a  purchase  in
accordance  with generally  accepted  accounting  principles and that the Merger
would be treated as a tax-free  reorganization  pursuant to the Internal Revenue
Code of 1986 and that the Merger would be  consummated  in  accordance  with the
terms set forth in the Merger  Agreement,  without  any  waiver of any  material
terms or conditions by Group 1.

     The following is a summary of the analyses  performed by Valuation Research
in  rendering  the  Opinion.  The goal of the  procedures  employed by Valuation
Research was to attempt to provide that the Group 1 stockholders  would have the
same  proportionate  interest in the earnings,  assets and operations of Group 1
following  the  Merger  as such  stockholders  had prior to the  Merger  without
dilution for the COMNET Options and Preferred Stock.

          (a) Stock Trading History.  Valuation Research examined the history of
     the trading  prices and volumes for the shares of COMNET  Common  Stock and
     Group 1 Common Stock.  This examination  showed that during the period from
     February  1996 to March 1998,  the  trading  price of COMNET  Common  Stock
     ranged from $6.00 per share to $16.00 per share and that the trading  price
     of Group 1 Common  Stock  ranged  from  $6.00 per share to $16.75 per share
     during the same period.
          
          (b) COMNET Options.  Valuation Research examined the terms of COMNET's
     Options, including the exercise prices, which ranged from $6.625 to $30.50,
     and the  expiration  dates,  which ranged from October 4, 1999 to March 31,
     2013. It also reviewed historical  information regarding the percentages of
     options  exercised  as distinct  from the  percentage  of options  expiring
     unexercised,  the  volatility  in the trading  prices of the COMNET  Common
     Stock over the past ten years and the purposes for which the COMNET Options
     were  granted.  In this respect,  Valuation  Research  recognized  that the
     COMNET  Options  were  granted  primarily to Group 1 employees as incentive
     compensation  and thus Group 1 stockholders  benefited since their interest
     in Group 1 was not  subject  to  dilution.  On the  other  hand,  Valuation
     Research  compared the absence of dilution to the Group 1  stockholders  to
     the benefit that the COMNET  stockholders  recognized since COMNET, as long
     as it owned an 80% or greater  interest in Group 1, was able to consolidate
     its   operations   with  those  of  Group  1  for  tax  purposes  and  thus
     significantly reduce COMNET's consolidated income taxes. Valuation Research
     also valued the COMNET Options using generally  accepted  option  valuation
     method  referred  to  as  Black-Scholes.   The  following  weighted-average
     assumptions were used in the Black-Scholes Option Pricing Formula:  current
     stock price of $7.78 (the  average  last  traded  price for the 20 business
     days preceding April 1, 1998), dividend yield of 0%, expected volatility of
     81.5%, risk-free interest rate of 5.70%, and an expected term of 5.1 years.
     Pursuant  to its  historical  review  of  COMNET  options  termination  and
     expiration history, Valuation Research concluded that approximately 350,000
     of the 1.226 million option outstanding at April 1, 1998 would expire or be
     terminated  upon  termination  of employment.  Utilizing the  Black-Scholes
     model,  Valuation Research  determined the remaining 882,000 COMNET Options
     had a weighted  average  fair value of $4.42 each.  The total fair value of
     the COMNET Option was considered a liability.  As a consequence,  Valuation
     Research  concluded that additional  shares had to be issued to the Group 1
     stockholders  to maintain their  proportional  interest in the business and
     assets of Group 1 following the Merger.

          (c) COMNET  Preferred  Stock.  Valuation  Research  also  examined the
     COMNET  Preferred  Stock and  determined  that the fair market value of the
     100,000  shares of COMNET  Preferred  Stock  held by  persons  who were not
     directors or officers was only $12.00 per share and that  conversion of the
     COMNET  Preferred  Stock was unlikely since the conversion  ratio of one to
     one  would  result  in the  purchase  of  Common  Stock  for $20 a share as
     compared  to the  market  price of  $7.375  per  share  at  April 1,  1998.
     Valuation  Research  concluded that the COMNET Preferred Stock would remain
     outstanding and therefore would be available for conversion at a later date
     with the result that some adjustment was required to reflect the subsequent
     conversion.

          (d)  Inter-Company  Debt.  Valuation  Research  felt that the Exchange
     Ratio had to be adjusted  downward to reflect the  repayment  by Group 1 of
     its $663,226 obligation at February 28, 1998 to COMNET.

          (e) No Other Liabilities.  Finally, Valuation Research believed COMNET
     had no  liabilities  other  than the  COMNET  Preferred  Stock  and  COMNET
     Options.

     Valuation  Research's final report concludes that an exchange ratio of 1.15
shares of COMNET  Common Stock for each 1 share of Group 1 Common Stock was fair
from a financial point of view to the Group 1 stockholders.

     Pursuant  to the  terms of the  Engagement  Letter,  Group 1 agreed  to pay
Valuation  Research  $46,000 for acting as financial  advisor in connection with
the Merger. Of this amount, $15,000 was paid upon the engagement. The balance is
now due. Group 1 also agreed to indemnify  Valuation Research and its directors,
officers  and  controlling  persons  against  certain   liabilities,   including
liabilities under the Federal  securities laws,  arising out of or in connection
with the services rendered by Valuation Research under its Engagement Letter.

     The full text of the Valuation  Research Opinion,  which sets forth,  among
other  things,  the  assumptions  made,  the  procedures  followed,  the matters
considered and  limitations  of the scope of the review  undertaken by Valuation
Research  in  rendering  the  Opinion,  is  attached as Appendix B to this Proxy
Statement  Prospectus.  Group 1 stockholders are urged to, and should,  read the
Valuation Research Opinion carefully and in its entirety. The Valuation Research
Opinion was directed to the Group 1 Board and addresses only the fairness,  from
a financial point of view, of the consideration to be paid by COMNET pursuant to
the merger Agreement and does not constitute a  recommendation  to any holder of
Group 1 Common Stock as to how to vote with respect to the Merger  Agreement and
the Merger.  The  summary of the  Valuation  Research  Opinion set forth in this
Proxy Statement Prospectus is qualified in its entirety by reference to the full
text of the Opinion.

Certain Transactions; Conflicts of Interest

     Certain  members  of Group 1's and  COMNET's  Boards  and  management  have
interests in the Merger in addition to their interests solely as COMNET or Group
1 stockholders, as described below.

Board of Directors

     The Merger Agreement provides that,  following the Merger, the COMNET Board
will  continue  to  consist of nine  directors.  The board of  directors  of the
Surviving  Corporation will consist of five persons who are currently  directors
of COMNET (James V. Manning,  Richard H. Eisenberg,  James P. Marden, Charles J.
Sindelar and Bruce J. Spohler),  one who is currently a Group 1 director (Thomas
S. Buchsbaum),  and three who are currently directors of both COMNET and Group 1
(Robert S. Bowen, Ronald F. Friedman and Charles A. Mele). Following the Merger,
the COMNET Board will be divided into three classes, each of which shall consist
of three  directors  and each one of which  shall have one  current  director of
Group.

Management Post-Merger

     At the Effective Time,  COMNET's Chief Executive  Officer,  Robert S. Bowen
will be Chief Executive  Officer of the Surviving  Corporation,  Mark D. Funston
will be Chief  Financial  Officer of the Surviving  Corporation and Edward Weiss
will  be  Secretary  and  General  Counsel  of the  Surviving  Corporation.  The
remaining officers of Group 1 shall retain their respective  positions under and
with respect to the Surviving Corporation after the Merger.

Certain Tax Consequences of the Merger

     General. In the opinion of Coopers & Lybrand LLP the following  discussion,
subject to the  limitations  set forth herein,  describes  the material  federal
income tax consequences of the Merger.

     The discussion is based upon the Internal  Revenue Code of 1986, as amended
(the "Code"), U.S. treasury regulations promulgated thereunder, and judicial and
administrative  interpretations  thereof,  all as in  effect on the date of this
Proxy Statement Prospectus, and is subject to any changes in these or other laws
occurring  after such date. The  discussion  does not address the effects of any
state, local, foreign or other tax laws.

     The tax  consequences  of the Merger to an individual  stockholder may vary
depending upon such stockholder's particular situation, and certain stockholders
(particularly  any stockholder who, at the Effective Time, is not a U.S. Person,
is a tax-exempt entity, securities dealer,  broker-dealer,  insurance company or
financial  institution or is an individual who acquired his or her COMNET Common
Stock pursuant to an employee stock option or otherwise as compensation)  may be
subject to special rules not  discussed  below.  For purposes of the  discussion
below, a U.S.  Person is (1) a citizen or resident of the United States for U.S.
federal  income  tax  purposes,  (2) a  corporation  or  partnership  created or
organized in or under the laws of the United States or any political subdivision
thereof,  (3) an estate,  the income of which is subject to U.S.  federal income
tax  regardless  of the  source,  or (4) a trust  with  respect to which a court
within  the  United  States is able to  exercise  primary  supervision  over its
administration  and one or more U.S.  fiduciaries  have the authority to control
all its substantial decisions.

     EACH GROUP 1 STOCKHOLDER  IS URGED TO CONSULT HIS OR HER OWN TAX ADVISOR AS
TO THE PARTICULAR TAX  CONSEQUENCES  TO HIM OR HER OF THE MERGER,  INCLUDING THE
APPLICABILITY AND EFFECT OF ANY STATE, LOCAL OR FOREIGN TAX LAWS, AND OF CHANGES
IN ANY APPLICABLE TAX LAWS.

     The  obligations of the parties to consummate the Merger are conditioned on
Group 1 and  COMNET's  receipt of an  opinion  of  Coopers & Lybrand  LLP to the
effect that (1) the Merger will be treated for federal  income tax purposes as a
reorganization  qualifying  under the  provisions of Section 368(a) of the Code,
(2) Group 1 and COMNET  will each be a party to that  reorganization  within the
meaning  of  Section  368(b) of the Code.  Stockholders  should be aware that an
opinion of Coopers & Lybrand LLP is not binding on the IRS or the courts and (3)
the Merger will be viewed as a Section 332  liquidation  with respect to COMNET.
Stockholders should also be aware that the opinion of Coopers & Lybrand LLP will
be based on current law and on certain representations regarding factual matters
made by COMNET and Group 1 which,  if incorrect,  may jeopardize the conclusions
reached by Coopers & Lybrand LLP in its opinion.

     Assuming that the Merger will qualify as a  reorganization  within  Section
368(a) of the Code,  the Merger  will have the federal  income tax  consequences
discussed below.

     Tax  Implications  to Group 1  Stockholders.  Except to the extent  Group 1
stockholders  receive cash in lieu of fractional  shares of COMNET Common Stock,
Group 1 stockholders  who exchange Group 1 Common Stock in the Merger solely for
COMNET  Common  Stock will not  recognize  gain or loss for  federal  income tax
purposes  upon the receipt of COMNET  Common Stock in exchange for their Group 1
Common  Stock.  The  aggregate  tax basis of COMNET  Common Stock  received as a
result of the Merger will be the same as the  stockholder's  aggregate tax basis
in the Group 1 Common Stock surrendered in the exchange,  reduced by the portion
of the  stockholder's  tax basis  properly  allocated  to the  fractional  share
interest, if any, for which the stockholder receives cash. The holding period of
the COMNET  Common  Stock  received by Group 1  stockholders  as a result of the
Merger will  include the period  during which the  stockholder  held the Group 1
Common Stock exchanged in the Merger,  provided that the Group 1 Common Stock so
exchanged  were  held  as  capital  assets  at the  Effective  Time.  A  Group 1
stockholder  that receives cash in lieu of a fractional share interest in COMNET
Common  Stock in the Merger will be treated as having  received  the  fractional
share  interest in COMNET Common Stock in the Merger and as having  received the
cash in redemption of the fractional  share  interest.  The cash payment will be
treated as a distribution in payment of the fractional  interest deemed redeemed
under Code  Section  302,  with the result that the Group 1  stockholder  should
generally  recognize gain or loss on the deemed redemption in an amount equal to
the  difference  between  the  amount  of cash  received  and the  stockholder's
adjusted tax basis allocable to such fractional share. Such gain or loss will be
capital  gain or loss if such  stockholder's  Group 1 Common Stock are held as a
capital asset at the  Effective  Time.  Recently  enacted  legislation  provides
different capital gains rates for individuals depending on such person's holding
period.  For  individuals,  capital  gains  will be  taxed at  rates  that  vary
depending upon whether the holding period of the stock exchanged was one year or
less, more than one year but not more than 18 months, or more than 18 months.

     Tax Implications to COMNET.  COMNET will not recognize any gain or loss for
federal income tax purposes as a result of the Merger.

     Backup  Withholding.  Under the U.S. backup  withholding rules, a holder of
Group 1 Common  Stock may be subject to backup  withholding  at the rate of 31%,
unless the stockholder (1) is a corporation or comes within certain other exempt
categories and, when required, demonstrates this fact, or (2) provides a correct
taxpayer  identification number,  certifies that such stockholder is not subject
to backup withholding and otherwise complies with applicable requirements of the
backup withholding rules. Any amount withheld under these rules will be credited
against  the  stockholder's  federal  income tax  liability.  COMNET may require
holders  of  Group  1  Common  Stock  to  establish  an  exemption  from  backup
withholding or to make arrangements  which are satisfactory to COMNET to provide
for the  payment of backup  withholding.  A  stockholder  that does not  provide
COMNET  with its  current  taxpayer  identification  number  may be  subject  to
penalties imposed by the IRS.

Regulatory Approval and Consents

     No approval of, or filing with, any governmental  authority is required for
the consummation of the Merger. Consummation of the Merger may, however, require
the consent of, or waiver from,  parties to certain  agreements  to which either
COMNET and Group 1 is a party and may constitute a default under such agreements
resulting  in  termination,  cancellation  or  acceleration  thereunder  if such
consents or waivers are not  obtained.  Pursuant  to the Merger  Agreement,  the
parties agreed to use their reasonable efforts to obtain all consents, licenses,
permits, waivers,  approvals,  authorizations or orders of all third parties and
government entities that are necessary for the consummation of the Merger.

Certain Provisions of the Merger Agreement

     General.  The COMNET  Board and the Group 1 Board have  approved the Merger
Agreement,  which  provides  for the Merger of COMNET  and Group 1, with  COMNET
being the Surviving Corporation.  This section of the Proxy Statement Prospectus
describes  certain aspects of the Merger,  including  certain  provisions of the
Merger Agreement. The description of the Merger Agreement does not purport to be
complete and is qualified in its entirety by reference to the Merger  Agreement,
a copy of which is attached hereto as Exhibit A and which is incorporated herein
by reference. All stockholders of Group 1 and COMNET are urged to read carefully
the Merger Agreement.

     Conditions to the Merger.  Each party's  obligation to effect the Merger is
subject to the satisfaction or waiver on or prior to the Closing Date of various
conditions which include, in addition to other customary closing conditions, the
following:  (i) the  Registration  Statement,  of  which  this  Proxy  Statement
Prospectus is a part,  shall have become  effective and no stop order suspending
such  effectiveness  shall  have been  issued  and  remain in  effect;  (ii) the
stockholders  of COMNET and Group 1 shall have  approved  the Merger  Agreement;
(iii) the  shares of COMNET  Common  Stock  issuable  to Group 1's  stockholders
pursuant to the Merger having been approved for listing on Nasdaq, upon official
notice of  issuance;  (iv) COMNET and Group 1 shall have  received a letter from
Coopers & Lybrand LLP (the independent accountants of COMNET and Group 1) to the
effect that the Merger qualifies as a tax-free reorganization within the meaning
of the Code.

     In addition,  each party's  obligation to effect the Merger is also subject
to the  satisfaction  or waiver on the Closing Date of the following  additional
conditions:  (i) the  representations and warranties of each party to the Merger
Agreement set forth in the Merger Agreement are true and correct in all material
respects;  (ii) each party to the Merger Agreement has performed in all material
respects  all  obligations  required  to be  performed  by it under  the  Merger
Agreement on or prior to the Effective  Time;  and (iii) all consents,  waivers,
approvals,  authorizations  or orders  required to be obtained,  and all filings
required  to be made,  by either  party  for the  authorization,  execution  and
delivery of the Merger  Agreement  and the  consummation  by either party of the
transactions  contemplated by the Merger  Agreement shall have been obtained and
made by such party.

     Termination.  The Merger  Agreement  may be terminated at any time prior to
the Effective Time, whether before or after adoption thereof by the stockholders
of COMNET or Group 1: (i) by mutual  written  consent of the boards of directors
of Group 1 and COMNET;  or (ii) by either Group 1 or COMNET,  if the other party
has  breached  any  material  representations,  warranties,  covenants  or other
agreements  contained  in the  Merger  Agreement,  or if any  representation  or
warranty  becomes  untrue,  in either case so that the  conditions to the Merger
cannot be satisfied  and such breach is not cured  within 30 days after  written
notice thereof from the nonbreaching party.

     Conduct of Business Pending the Merger.  Pursuant to the Merger  Agreement,
COMNET and Group 1 have both agreed to conduct  business in the ordinary  course
of business in a manner  consistent with past practice and use their  respective
reasonable best efforts to preserve intact business organizations.  In addition,
each of COMNET and Group 1 has agreed  that,  among other  things and subject to
certain  exceptions,  neither it nor any of its subsidiaries  will,  without the
prior written consent of the other: (i) adjust, split, combine or reclassify any
capital stock, declare or pay any dividend on, or make any other distribution in
respect of, its outstanding  shares of capital stock;  (ii) redeem,  purchase or
otherwise  acquire any shares of its  capital  stock or any  options,  warrants,
conversion  or other rights to acquire any shares of its capital  stock;  effect
any reorganization or recapitalization; purchase or otherwise acquire any assets
or stock of any corporation,  bank or other business or liquidate, sell, dispose
of or encumber  any assets;  (iii) issue,  deliver,  award,  grant or sell,  any
shares of any class of its capital stock (including  shares held in treasury) or
any rights,  warrants or options to acquire,  any such  shares;  (iv) propose or
adopt any amendments to its articles of incorporation or bylaws;  (v) other than
in the ordinary  course of business  consistent  with past  practice,  incur any
indebtedness  for borrowed money;  (vi) except for  transactions in the ordinary
course of business  consistent  with past practice,  enter into or terminate any
material contract or agreement, or make any change in any of its material leases
or material  contracts;  (vii) take any action that would  prevent or impede the
Merger from qualifying as a reorganization  within the meaning of Section 368 of
the Code;  (viii) take any action that is intended or may reasonably be expected
to result in any of its  representations  and warranties set forth in the Merger
Agreement being or becoming untrue in any material  respect at any time prior to
the Effective  Time, or in any of the  conditions to the Merger set forth in the
Merger  Agreement not being  satisfied or in a violation of any provision of the
Merger Agreement, except, in each case, as may be required by applicable law; or
(ix) take any action or fail to take any  action  which  individually  or in the
aggregate can be reasonably  expected to have a Material  Adverse  Effect on, in
the case of COMNET or, in the case of Group 1, COMNET.

     Certain Employment Agreements. The employment agreement between Group 1 and
Ronald F. Friedman,  and the employment  agreement between Group 1 and Robert S.
Bowen will be assumed by COMNET on the Effective Date.  However,  Mr. Bowen will
not receive  duplicate  payment as a result of the  assumption  of his agreement
with Group 1 and the continuation of his agreement with COMNET.  See "Proposal 3
- -- Election of Directors--Employment Agreements."

     Amendment and Waiver.  The Merger Agreement may be amended by an instrument
in writing  signed on behalf of each  party at any time  prior to the  Effective
Time.  At any  time  prior  to the  Effective  Time,  either  party  may,  in an
instrument in writing signed by the party or parties to be bound thereby,  waive
compliance  with any of the  agreements  or  conditions  contained in the Merger
Agreement.  In the event of a failure to obtain the tax opinion  described under
the caption "The  Merger--Conditions  to the  Consummation  of the Merger" and a
determination  by the parties to waive such condition to the consummation of the
Merger, each of COMNET and Group 1 will re-solicit the votes of its stockholders
in connection with the Merger.

     Expenses.  All  reasonable   out-of-pocket  expenses  (including,   without
limitation, all fees and expenses of counsel,  accountants,  investment bankers,
experts and consultants)  incurred in connection with the Merger Agreement,  the
Stock Option Agreements and the transactions  contemplated  thereby will be paid
by the party incurring such expenses,  except that COMNET and Group 1 will share
equally the expenses  incurred in connection with filing and printing this Proxy
Statement  Prospectus and the  Registration  Statement of which it is a part and
all  other  regulatory  filing  fees  incurred  in  connection  with the  Merger
Agreement.

     Representations  and Warranties.  The Merger Agreement  contains  customary
mutual  representations  and  warranties  relating to, among other  things:  (i)
corporate  organization and qualification of each party and their  subsidiaries;
(ii)  articles of  incorporation  and bylaws of each party and its  subsidiaries
having  been made  available;  (iii) the  capitalization  of each  party and its
subsidiaries;  (iv) corporate power and authority of each party;  (v) absence of
conflict with (a) its articles of incorporation  and bylaws,  (b) applicable law
or (c) certain  agreements;  (vi)  compliance with  applicable  laws;  (vii) the
timely  filing  of  documents  filed  by each of  COMNET  and  Group 1 with  the
Commission and the accuracy of information contained therein;  (viii) absence of
material  changes or events  with  respect to each of COMNET  and  COMNET;  (ix)
absence of  litigation;  (x) matters  relating to  environmental  matters;  (xi)
filing of tax returns and payment of taxes;  (xii) required  stockholder  votes;
and (xiii) receipt of fairness opinions.

     Indemnification  and  Insurance.  The Merger  Agreement  provides  that the
Surviving  Corporation will indemnify,  defend and hold harmless, to the fullest
extent  permitted by law, the present and former officers and directors of Group
1 against all losses, expenses, claims, damages, liabilities or amounts that are
paid in settlement of or otherwise in connection with, any claim,  action, suit,
proceeding  or  investigation  based in whole or in part on the fact  that  such
person is or was a director  or officer of Group 1 and arising out of actions or
omissions  occurring  at or prior to the  Effective  Time to the fullest  extent
permitted under the DBCL and COMNET's corporate governance documents. The Merger
Agreement  provides  that,  for a period of not less  than two  years  after the
Effective  Time,  COMNET  will  use its  reasonable  best  efforts  to  maintain
directors' and officers'  liability  insurance and fiduciary liability insurance
that is  substantially  equivalent  to coverage of COMNET's  current  insurance;
provided that  Associated will not be required to pay an annual premium for such
insurance  in excess of 150% of COMNET's  last annual  premium paid prior to the
date of the Merger Agreement.

     Treatment of Stock  Options  Outstanding  Under Group 1 Stock Plan.  At the
Effective  Time,  each option  granted by Group 1 to purchase  shares of Group 1
Common Stock which is  outstanding  and  unexercised  will be assumed by COMNET.
Such options shall cease to represent a right to acquire such shares and will be
converted automatically into an option to purchase shares of COMNET Common Stock
in an amount and at an exercise price determined as provided below:

     (i) the  number of shares of COMNET  Common  Stock to be subject to the new
option  shall be equal to the  product of the number of shares of Group 1 Common
Stock  subject to the original  option and 1.15;  provided  that any  fractional
shares of COMNET  Common  Stock  resulting  from  such  multiplication  shall be
rounded down to the nearest whole share; and

     (ii)the  exercise  price  per share of COMNET  Common  Stock  under the new
option  shall be equal to the  exercise  price per share of Group 1 Common Stock
under the original  option  divided by 1.15;  provided that such exercise  price
shall be rounded up to the nearest whole cent.




<PAGE>


                          DESCRIPTION OF THE COMPANIES

General

     COMNET, through its subsidiary, Group 1, develops, manufactures,  licenses,
sells  and  supports  software  products  for  specialized  marketing  and  mail
management  applications.  COMNET owned  approximately  81.2% of the outstanding
shares of Group 1 Common Stock as of the Record Date.

     Group 1 markets a broad range of software  solutions in each of these three
major categories:  Database  Marketing,  Electronic Document Systems and Mailing
Efficiency.  The  operating  systems  utilized for Group 1's products vary as to
category. Products in the Database Marketing category operate in a client/server
architecture  with  server  support  for UNIX or Windows NT (NT) and with client
support  in Windows  3.x,  95 and NT.  Electronic  Document  Systems  production
engines  currently  run under MVS,  OS/2,  UNIX, NT and OS/400.  The  Electronic
Documents  system  workstations  support  both NT and OS/2.  Mailing  Efficiency
products  run on most major  computer  systems from NT to  mainframe.  Group 1's
Electronic  Document  Systems support Kodak,  IBM and Xerox print  architectures
(AFP, PCL and Metacode) for high-speed,  high-volume  production laser printing.
As of March 31, 1998, Group 1 offered over 80 software products.

     Group 1 distributes all of its products in North America and its Electronic
Document  Systems  throughout  the  world.  Plans  are  underway  to  distribute
additional Group 1 products internationally.

     Group 1's software  products  serve the needs of a wide variety of clients,
including  those  in  the  financial,  insurance,  utility,  telecommunications,
manufacturing,  retailing,  hospitality,  publishing and mail order  industries,
plus  service  bureaus,  associations  and  various  activities  of  educational
institutions and governmental  agencies. In general,  Group 1's software systems
are designed to minimize the costs and maximize the opportunity to sell products
and services to existing and  potential  customers.  Group 1's software  systems
also provide  solutions where a need exists for highly accurate name and address
data or  where  address  information  must be  correlated  with  demographic  or
geographic  data.  Other  Group 1  systems  provide  highly  effective  document
preparation  for  customized  forms  or  personalized  correspondence.  This  is
achieved  through  the use of  advanced  document  design  workstation  software
coupled with sophisticated  host-based document composition software,  resulting
in highly targeted and  individualized  documents (e.g.,  statements,  invoices,
policies,  direct mail). Group 1 believes that the continuing growth of database
marketing,  data warehousing and targeted,  direct communication,  together with
increased  postal rates and postage  discounts for coded and/or sorted mail, can
expand the market potential for Group 1's existing and future products.

     Group 1 also  offers  a  broad  variety  of  professional  services  to its
clients,  including  systems and  business  analysis,  installation  assistance,
operations support,  programming services,  technical education and training and
operational reviews.  These services are designed to assist clients in obtaining
maximum  utilization from their Group 1 products and/or in improving  efficiency
and effectiveness of their business operations.

     Group 1 markets its Electronic  Document Systems  products  directly to its
clients in North  America,  the  United  Kingdom  and  Scandinavia  and  through
distributors  in the  remainder  of  Europe.  Mailing  Efficiency  and  Database
Marketing  products  are marked  directly  for  mainframe  and  midrange  system
configurations.

Discontinued Operations -- Com-Med Systems

     COM-MED  Systems,  a  wholly  owned  subsidiary  of  COMNET,  provided  the
long-term health care industry with computer software systems for management and
operations  support.  As of March 31,  1995,  COMNET  sold the assets of Com-Med
Systems for up to $4.5  million,  to be paid as a  percentage  of the  acquiring
company's  future  revenues.  Additionally,  the Company was issued  warrants to
acquire up to 25% of the acquiring  company's common stock. In September,  1995,
the acquiring company ceased operations, whereupon COMNET repossessed the assets
and sold them, in turn, to another entity.  COMNET does not anticipate realizing
any  gain  from  the  subsequent  sale of these  assets.  COMNET's  Consolidated
Statements  of  Earnings  in the fiscal  year ended  March 31,  1995,  have been
restated to reflect Com-Med Systems as a discontinued operation.


<PAGE>


                            MARKETS AND MARKET PRICES

     COMNET Common Stock and Group 1 Common Stock are listed on the Nasdaq under
the symbol "CNET" and "GSOF,"  respectively.  The following table sets forth the
range of high and low sales prices of COMNET Common Stock and Group Common Stock
as reported by Nasdaq.

<TABLE>
<CAPTION>
                                                   COMNET CORPORATION                        GROUP 1
                                                   ------------------                        -------

<S>                                             <C>                 <C>              <C>                <C>   
CALENDAR QUARTER                                  HIGH              LOW              HIGH               LOW
- ----------------                                  ----              ---              ----               ---

1995:    First...................................11.00              9.00              10.00            9.25
         Second..................................10.50              8.50              12.50            9.50
         Third...................................19.00             12.50              24.50           11.00
         Fourth..................................17.00             10.37              13.50            8.50

1996:    First...................................13.75             10.00               9.75            7.50
         Second..................................15.00             10.00              11.00            7.06
         Third...................................15.50             11.50              16.50            8.00
         Fourth..................................15.50              8.00              11.50            8.00

1997:    First...................................12.00              8.50               9.00            6.75
         Second..................................11.00              7.50               8.00            6.50
         Third....................................9.75              7.12               7.25            6.50
         Fourth...................................9.25              6.50              11.00            6.00

1998:    First....................................8.75              6.00              8.625            6.00
         Second (through June 19)               14.625             7.375             15.500            7.50
</TABLE>

     On April 28, 1998, the last trading day before the public  announcement  of
the Exchange  Ratio in the Merger,  the closing price per share of COMNET Common
Stock and Group 1 Common  Stock as  reported  by Nasdaq was  $11.938  and $8.00,
respectively.  Past price  performance is not  necessarily  indicative of likely
future  price  performance.  Holders of COMNET  Common  Stock and Group 1 Common
Stock are urged to obtain current  market  quotations for their shares of COMNET
Common Stock and Group 1 Common Stock.

     Holders of COMNET Common Stock are entitled to receive dividends from funds
legally  available  therefor  when, as and if declared by the COMNET Board.  The
COMNET Board  presently  intends to continue its policy of not paying  dividends
with respect to COMNET Common Stock.  COMNET  Preferred Stock pays an annualized
dividend  of $1.20  per  share.  See  "Description  of COMNET  Stock--COMNET  6%
Cumulative  Convertible  Preferred  Stock."  THERE CAN BE NO ASSURANCE AS TO THE
MARKET PRICE OF THE COMNET COMMON STOCK AND THE GROUP 1 COMMON STOCK AT ANY TIME
BEFORE, AT OR AFTER THE EFFECTIVE TIME OF THE MERGER.  STOCKHOLDERS ARE URGED TO
OBTAIN  CURRENT  MARKET  QUOTATIONS  FOR COMNET  COMMON STOCK AND GROUP 1 COMMON
STOCK.


<PAGE>


                PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS

         The unaudited pro forma condensed  combined  financial data is provided
for  illustrative  purposes  only  and  is  not  necessarily  indicative  of the
operating  results or financial  position that would have occurred if the merger
had been  consummated as of the beginning of the period or the future  operating
results or financial  position of the  combined  companies.




                  COMNET Corporation and Group 1 Software, Inc.
              UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL DATA
                                 MARCH 31, 1998
<TABLE>
<CAPTION>

                                                                             Pro Forma             Pro Forma
                                                            COMNET(3)        Adjustments            Combined
                                                            ------           -----------            --------
<S>                                                   <C>                    <C>              <C>    
CONSOLIDATED BALANCE SHEET:
ASSETS
Current Assets:
    Cash and cash equivalents                         $       3,683,398      $                $                3,683,398
    Trade and installment accounts receivable, less
       allowance of  $3,603,400                              27,232,842                                       27,232,842
    Deferred income taxes                                     3,408,086                                        3,408,086
    Prepaid expenses and other current assets                 3,085,453                                        3,085,453
                                                      ---------------------- ---------------- ---------------------------
    Total current assets                                     37,409,779                                       37,409,779

    Installment accounts receivable                           3,810,279                                        3,810,279
    Property and equipment, net                               3,543,502                                        3,543,502
    Computer software, net                                   23,358,862                                       23,358,862
    Other assets                                             2,507,090 (8)     4,300,590                       6,520,974
                                                                       (6)      (286,706)
                                                      ---------------------- ---------------- ---------------------------
         Total Assets                                 $      70,629,512      $ 4,013,884        $              74,643,396
                                                      ====================== ================ ===========================

LIABILITIES AND STOCKHOLDERS EQUITY
Current liabilities:
         Short-term borrowings                        $               0      $                    $                    0

                                                                                                                      
         Accounts payable                                     2,098,820                                        2,098,820
         Current portion of long-term debt                      157,017                                          157,017
         Accrued expenses                                     6,278,611 (2)      275,000                       6,553,611
         Accrued compensation                                 4,699,110                                        4,699,110
         Current deferred revenues                           17,484,138                                       17,484,138
                                                      ---------------------- ---------------- ---------------------------
Total current liabilities                                    30,717,696          275,000                      30,992,696

Long-term debt, net of current portion                          389,144                                          389,144
Deferred revenues, long-term                                  3,653,055                                        3,653,055
Deferred income taxes                                         3,029,299                                        3,029,299
Minority interest in net earnings of consolidated            5,682,486 (4)    (5,682,486)                              0
subsidiary
                                                      ---------------------- ---------------- ---------------------------
         Total liabilities                                   43,471,680       (5,407,486)                     38,064,194
                                                      ---------------------- ---------------- ---------------------------

                                                      ---------------------- ---------------- ---------------------------
Stockholders equity                                         27,157,832 (1)     9,444,321                      36,579,202
                                                      ---------------------- ---------------- ---------------------------
                                                                       (6)      (286,706)
                                                                       (5)       263,755 
                                                      ====================== ================ ===========================
Total liabilities and stockholders equity             $      70,629,512      $  4,013,884          $          74,643,396
                                                      ====================== ================ ===========================

                                                      ---------------------- ---------------- ---------------------------
Book value per share                                              $8.29                                          $8.69
                                                      ====================== ================ ===========================
</TABLE>

The  accompanying  notes  are an  integral  part of  this  unaudited  pro  forma
condensed combined financial data.


<PAGE>


                  COMNET Corporation and Group 1 Software, Inc.
              UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL DATA
                            Year ended March 31, 1998
<TABLE>
<CAPTION>

                                                                              Pro Forma              Pro Forma
                                                          COMNET(3)          Adjustments              Combined
                                                          ------             -----------              --------

<S>                                                       <C>                    <C>                  <C> 
Revenue:
    Software license and related revenues                 $32,786,215                                    $32,786,215
    Maintenance and other revenue                          28,217,682                                     28,217,682
                                                      --------------------- ------------------ ----------------------
         Total revenue                                     61,003,897                   0                 61,003,897
                                                      --------------------- ------------------ ----------------------

Costs and expenses:
    Software license expense                               10,491,100                                     10,491,100
    Maintenance and service expense                        12,544,100                                     12,544,100
    Research, development and indirect support              2,857,700                                      2,857,700
    Selling and marketing                                  20,893,408                                     20,893,408
    General and administrative                              7,913,233 (6)         286,706                  8,199,939
    Provision for doubtful accounts                         3,505,000                                      3,505,000
                                                      --------------------- ------------------ ----------------------
         Total costs and expenses                          58,204,541             286,706                 58,491,247
                                                      --------------------- ------------------ ----------------------

Operating income                                            2,799,356            (286,706)                 2,512,650

Non-operating expenses, net                                 (464,651)                                      (464,651)
                                                      --------------------- ------------------ ----------------------

Income  from operations before provision for income         2,334,705            (286,706)                 2,047,999
taxes

Provision for income taxes                                    921,360                                        921,360

Minority interest in net earnings of consolidated            263,755 (5)         (263,755)                         0
subsidiary

                                                      --------------------- ------------------ ----------------------
Net earnings                                                1,149,590              (22,951)                1,126,639

COMNET Preferred Stock dividend requirements                (177,000)                                      (177,000)

                                                      --------------------- ------------------ ----------------------
Net earnings available to common stockholder                 $972,590             (22,951)                  $949,639
                                                      ===================== ================== ======================

Basic earnings per share of common stock                       $0.30               ($0.07)                     $0.23
                                                      ===================== ================== ======================

Diluted earnings per share of common stock                     $0.29               ($0.07)                     $0.22
                                                      ===================== ================== ======================
Basic weighted average shares outstanding                  3,273,826              930,475                  4,204,301
                                                      ===================== ================== ======================
Diluted weighted average shares and common
equivalent shares outstanding                              3,299,285              930,475                  4,229,760
                                                      ===================== ================== ======================

</TABLE>
The  accompanying  notes  are an  integral  part of  this  unaudited  pro  forma
condensed combined financial data.


<PAGE>


                  COMNET Corporation and Group 1 Software, Inc.
                        NOTES to the Unaudited Pro forma
                        CONDENSED COMBINED FINANCIAL DATA

The Merger will be accounted for under the purchase  method of  accounting.  The
final  allocation  of the  purchase  price  has not  yet  been  determined  and,
accordingly,  the amounts  shown  below may differ  from the amounts  ultimately
determined.

Purchase Price:

         Value of the COMNET Common Stock                      $9,444,321
         Transaction fees and expenses related to the Merger      275,000
                                                               ----------
                                                               $9,719,321
                                                               ----------

(1) The value of the COMNET  Common  Stock was  determined  by  multiplying  the
930,475 shares of COMNET Common Stock to be issued by $10.15 per share, the fair
market value determined for the transaction.

(2) Represents estimated  transaction fees and expenses of approximately $60,000
for  investment   bankers  and  $125,000  for  legal  counsel  and  $75,000  for
accountants, and $15,000 for printing costs.

(3) Group 1 Software,  Inc. is consolidated in the COMNET Financial as presented
and therefore is not shown separately in the combining statements.

(4) To  eliminate  the  cumulative  minority  interest  in net  earnings  of the
consolidated  subsidiary  resulting of the Merger. 

(5) To eliminate the minority interest in net loss of consolidated subsidiary.

     (6) To record amortization of identifiable intangible assets resulting from
the  purchase  business  combination  utilizing  a 15  year  life  assuming  the
combination occurred at the beginning of the periods presented.

(7)  Historical  book  value  per  share  is  computed  by  dividing  the  total
stockholders'  equity by the number of shares of common stock outstanding at the
end of the period.  Pro forma book value per share is  computed by dividing  the
pro forma total stockholders' equity by the pro forma number of shares of common
stock outstanding at the end of the period.

(8)  Represents  the  identifiable  intangible  assets arising from the purchase
business combination.


<PAGE>


                              BENEFICIAL OWNERSHIP

COMNET

     The following  table sets forth the number of shares of COMNET Common Stock
and COMNET  Preferred  Stock  beneficially  owned,  as of June 12, 1998, by each
stockholder  known to COMNET to be the  beneficial  owner of more than 5% of the
COMNET  Common Stock or COMNET  Preferred  Stock and the directors and executive
officers  of COMNET as a group.  Unless  otherwise  noted,  all shares are owned
directly with sole voting and dispositive powers.
<TABLE>
<CAPTION>

                                                      Number of Shares of Common          Number of Shares of 6%
                                                                 Stock               Cumulative Convertible Preferred
                                                                  and                              Stock
    Name and Address of Beneficial Owner                  Percentage of Class             and Percentage of Class
    ------------------------------------                  -------------------             -----------------------
<S>                                                        <C>                            <C>
    Medco Containment Services, Inc.                            543,345                           100,000
    100 Summit Avenue                                            14.2%                             67.8%
    Montvale, NJ 07645 (1)
    Robert S. Bowen                                           259,450(2)                           5,937
    4200 Parliament Place, Suite 600                             7.7%                              4.0%
    Lanham, MD 20706
    John Spohler                                              236,875(3)                          11,875
    One Liberty Plaza                                            6.8%                              8.1%
    New York, NY 10292
    Milton Kaplan                                                  *                              11,875
    1920 Ocean Avenue                                                                              8.1%
    Brooklyn, New York  11230
    Leonard J. Smith                                               *                              11,875
    451 Ives Dairy Road, #A202                                                                     8.1%
    North Miami Beach, FL  33179
    All directors and executive officers as a                   555,624
    group (12 persons)                                           16.4%
</TABLE>

         *  Less than 5%.

(1) Pursuant to an Agreement  and Plan of Merger,  dated as of July 27, 1993, as
amended, by and among Merck & Co., Inc., a New Jersey corporation  ("Merck"),  M
Acquisition  Corp.  ("Merger  Sub")  and Medco  Containment  Services,  Inc.,  a
Delaware  corporation  ("Medco"),  Medco was merged with and into Merger Sub and
Medco became a wholly owned  subsidiary of Merck.  Merck may be deemed to be the
indirect beneficial owner,  through its ownership of Medco, of 543,345 shares of
COMNET Common Stock, representing  approximately 14.2% of the outstanding shares
of COMNET Common Stock,  100,000  shares of COMNET  Preferred  Stock,  which are
convertible  into 100,000 shares of COMNET Common Stock.  Merck  effectively has
the sole power to vote and direct the vote of the shares of COMNET  Common Stock
and COMNET Preferred Stock held by Medco, and to dispose and direct the disposal
of such shares.  

(2) Includes  174,800  shares of COMNET Common Stock  purchasable  upon exercise
options that are presently exercisable or exercisable within 60 days of the date
of this table.

(3) Includes  18,750  shares of COMNET  Common Stock  purchasable  upon exercise
options that are presently exercisable or exercisable within 60 days of the date
of this table.

GROUP 1

     The following table sets forth the number of shares of Group 1 Common Stock
beneficially owned, as of June 12, 1998, by each stockholder known to Group 1 to
be the  beneficial  owner of more  than 5% of the  Group 1 Common  Stock and the
directors and executive officers of Group 1 as a group.  Unless otherwise noted,
all shares are owned directly with sole voting and dispositive powers.

<TABLE>
<CAPTION>

                                                        Number of Shares of Common
    Name and Address of Beneficial Owner                           Stock                    Percentage of Class
    ------------------------------------                           -----                    -------------------
<S>                                                              <C>                           <C>
    COMNET Corporation                                           3,484,588                         81.2%
    4200 Parliament Place, Suite 600
    Lanham MD  20706-1844
    All directors and executive officers as a group               108,887                           2.5%
    (9 persons) (1)
</TABLE>

- ----------

(1)  Includes  shares  of Group 1 Common  Stock  purchasable  upon  exercise  of
     options that are presently exercisable or exercisable within 60 days of the
     date of this table.

COMNET -  After Giving Effect to the Merger

     The following  table sets forth the number of shares of Common Stock of the
Surviving Corporation  beneficially owned, giving effect to the Merger as if the
Merger had occurred on June 12, 1998, by each stockholder known to the Surviving
Corporation  to be the  beneficial  owner of more than 5% of the Common Stock of
the  Surviving  Corporation  and the  directors  and  executive  officers of the
Surviving  Corporation as a group. See "Proposal 3 -- Election of directors" for
more detailed  beneficial  ownership  information.  Unless  otherwise noted, all
shares are owned directly with sole voting and dispositive powers.

<TABLE>
<CAPTION>

                                                            Number of Shares of
Name and Address of Beneficial Owner                           Common Stock                  Percent of Class
- ------------------------------------                           ------------                  ----------------
<S>                                                            <C>                            <C>
Medco Containment Services, Inc.
100 Summit Avenue                                                 543,345                          12.9%
Montvale, NJ 07645 (1)
Robert S. Bowen
4200 Parliament Place, Suite 600                                277,563(1)                          6.3%
Lanham, MD 20706
John Spohler
One Liberty Plaza                                               259,875(2)                          6.2%
New York, NY 10292
All directors and officers as a group (14 persons)                 689,171                         14.5%
</TABLE>



<PAGE>


                        COMPARISON OF STOCKHOLDER RIGHTS

     As a consequence  of the Merger,  as of the  Effective  Time of the Merger,
stockholders of Group 1 will become  stockholders of COMNET.  The following is a
summary of certain  similarities and material  differences between the rights of
holders  of Group 1 Common  Stock and the  rights of  holders  of COMNET  Common
Stock.  As each of Group 1 and COMNET is  organized  under the laws of Delaware,
these differences arise solely from differing  provisions of the certificates of
incorporation and by-laws of each of Group 1 and COMNET.

     The  following  summary does not purport to be a complete  statement of the
rights of Group 1 stockholders under the Certificate of Incorporation of Group 1
(the "Group 1  Certificate")  or the By-Laws of Group 1 (the "Group 1 By-Laws"),
as compared to the rights of COMNET  stockholders  under the COMNET  Certificate
(the "COMNET Certificate") or the By-Laws of COMNET (the "COMNET By-Laws"),  nor
is this a complete  description of the specific  provisions  referred to herein.
This  summary  is  qualified  in its  entirety  by  reference  to the  governing
corporate instruments,  including the aforementioned  instruments of Group 1 and
COMNET,  copies  of which  are  hereby  incorporated  herein  by  reference.  In
addition,   the  COMNET  Board  has  adopted  a  Stockholder  Protection  Rights
Agreement,  which confers  significant rights on holders of COMNET Common Stock.
See  "Proposal 2 --  Amendment Of COMNET  Certificate  to Increase the Number Of
Authorized  Shares of COMNET Common Stock from  10,000,000 to 14,000,000  Shares
Amendment Of COMNET  Certificate to Increase the Number Of Authorized  Shares of
COMNET Common Stock from 10,000,000 to 14,000,000 Shares."

Annual Meetings of Stockholders

     Under Delaware law,  annual meetings of the  stockholders  may be called by
the  board of  directors  or such  other  persons  as may be  authorized  by the
certificate of incorporation  or by-laws.  Under the Group 1 Certificate and the
Group 1 By-laws,  an annual meeting may be called by the Chairman,  President or
Secretary of Group 1, upon the approval of a majority of the Group 1 Board or by
a committee empowered by the Group 1 Board to call an annual meeting. The COMNET
Certificate  and the  COMNET  By-Laws  provide  that an  annual  meeting  of the
stockholders  may be called by the  Chairman,  President or Secretary of COMNET,
upon the written  request of a majority of the  directors  or a committee of the
Board.

Number of Directors

     Under  Delaware  law, the number of  directors  shall be fixed by or in the
manner provided in the by-laws,  unless the certificate of  incorporation  fixes
the number of directors, in which case a change in the number of directors shall
be made only by amendment to the certificate.  The Group 1 Certificate  provides
that the number of  directors  shall  consist of not less than  three,  with the
exact number above this minimum to be determined by a resolution of the majority
of the  Group 1 Board or the Group 1  stockholders  at the  annual  stockholders
meeting. The COMNET Certificate also provides that the number of directors shall
consist of not less than three,  with the exact  number above this minimum to be
determined  by a  resolution  of  the  majority  of  the  COMNET  Board  or  the
stockholders at the annual stockholders meeting.

Corporate Opportunity Conflicts - Medco Directors

     As a result of an agreement between COMNET and Medco Containment  Services,
a  Delaware  corporation  ("Medco")  effective  January  22,  1993,  the  COMNET
Certificate  was  amended  to provide  that any  director  on the  COMNET  Board
designated by Medco (a "Medco Director") to serve on the COMNET Board, would not
be obligated to present to COMNET any potential acquisition that had come to the
attention of such Medco Director prior to the date on which he became a director
of COMNET,  and any Medco  Director  would be required to present to COMNET only
those  potential  acquisitions  which  were  directly  related  to the  existing
businesses  of Group 1 (i.e.,  providing  systems and software for  non-industry
specific list and mail management and marketing  program support,  excluding any
such  businesses  to the extent  related to the  pharmaceutical  or health  care
industry and any such  businesses  no longer  engaged in by Group 1) and did not
come to the  attention  of the Medco  Director in his  capacity as an officer or
director of Medco or any of its present or future  subsidiaries or any successor
to  Medco  or any  such  subsidiary.  The  Certificate  of  Group 1 was  amended
simultaneously.

Classification of Board of Directors

     Delaware  law  permits a  corporation's  certificate  of  incorporation  to
provide that a  corporation's  board of directors be divided into classes,  with
each class  having a term of office  longer  than one year but not  longer  than
three years.  Both the Group 1 Certificate  and the COMNET  Certificate  provide
that the  companies'  respective  boards of directors  shall have three classes,
which shall be as nearly  equal in number as  possible.  The  directors  of each
class shall serve for a term ending at the third annual  meeting  following  the
annual meeting at which they were elected.

Indemnification

     Both  the  Group  1  By-Laws  and  the  COMNET  By-Laws   provide  for  the
indemnification of any person serving as a director,  officer, employee or agent
of the respective  corporations or at the request of the respective corporations
as a  director,  officer,  employee  or agent  of  another  corporation  or of a
partnership,  joint venture,  trust or other  enterprise,  to the fullest extent
authorized by the Delaware General Corporate Law ("DGCL").

Certain Voting Rights with Respect to Transactions with Substantial Stockholders

     Under the Group 1 Certificate, the approval of a majority of the holders of
Group 1  Common  Stock  (excluding  shares  of  Group  1  Common  Stock  held by
interested  parties) is  required  prior to the Group 1  purchasing  any Group 1
voting  securities  held by an entity  that owns at least 5% of Group 1's voting
securities,  or by an Affiliate of Group 1. The COMNET  Certificate  contains no
similar provisions.

Certain Voting Rights with Respect to Mergers

     Under Delaware law, certain mergers and  consolidations  or the sale of all
or substantially all of the assets of a corporation requires the approval of the
holders of a majority of the outstanding shares of such corporation  entitled to
vote  thereon,  (unless  the  certificate  of  incorporation  requires  a higher
percentage). Neither the Group 1 Certificate nor the COMNET Certificate requires
a higher percentage.

Removal of Directors; Filling Vacancies on the Board of Directors

     Under  Delaware law, any or all  directors of a corporation  which does not
have  cumulative  voting or a classified  board may be removed,  with or without
cause,  by the  holders of a  majority  of the  shares  entitled  to vote at the
election of directors,  unless such  corporation's  certificate of incorporation
provides  otherwise.  Group 1 has a classified board and the Group 1 Certificate
provides that directors may be removed without cause by the affirmative  vote of
80% of the  stockholders,  or  removed  for  cause  by a  majority  vote  of the
stockholders.  The COMNET  Certificate  also provides for a classified board and
that directors may be removed  without cause by the  affirmative  vote of 80% of
the stockholders, or removed for cause by a majority vote of the stockholders.

     Under  Delaware  law,   unless   otherwise   provided  in  a  corporation's
certificate   of   incorporation   or  by-laws,   vacancies  and   newly-created
directorships  resulting from any increase in the authorized number of directors
may be filled by a majority  of the  directors  then in office.  The  By-Laws of
COMNET and Group 1 are consistent with Delaware law in these matters.

Stockholder Action by Written Consent

     Under  Delaware  law,   unless   otherwise   provided  in  a  corporation's
certificate  of  incorporation,  any  action  which  may be taken at any  annual
meeting may be taken  without a meeting and without prior notice if a consent in
writing,  setting  forth the action so taken,  shall be signed by the holders of
outstanding  shares having not less than the minimum  number of votes that would
be  necessary  to authorize or take such action at a meeting at which all shares
entitled to vote thereon were present and voted.  The Group 1 By-Laws  authorize
any action that is required or permitted to be taken at a  stockholders  meeting
may be taken without a meeting upon receipt of the written consent of all of the
stockholders.  The COMNET  By-Laws also authorize any action that is required or
permitted to be taken at a  stockholders  meeting may be taken without a meeting
upon receipt of the written consent of not less than the minimum number of votes
necessary to authorize or taken such action at a meeting of the stockholders.

Amendment of By-laws

     Under  Delaware law, the power to adopt,  amend or repeal by-laws is vested
in the stockholders unless the certificate of incorporation confers the power to
adopt,  amend or repeal  by-laws upon the  directors as well.  Under the Group 1
Certificate,  the Group 1 By-Laws  may be amended or repealed by the vote of 80%
of the  outstanding  stock of Group 1 or by the approval of Group 1's directors.
However,  any  by-law  amendment  that  would  change  the  number of  directors
constituting  the Group 1 Board  requires  the  approval  of at least 80% of the
members  of the Group 1 Board.  Similarly,  under the  COMNET  Certificate,  the
COMNET By-Laws may be amended or repealed by the vote of 80% of the  outstanding
stock  of  COMNET  or by the  approval  of  COMNET's  directors  and any  by-law
amendment  that would  change the number of  directors  constituting  the COMNET
Board requires the approval of at least 80% of the members of the COMNET Board.
<PAGE>

                          DESCRIPTION OF COMNET STOCK

General

     The  following  summary  of the terms of the  COMNET  Common  Stock and the
COMNET  Preferred  Stock does not purport to be complete  and is subject to, and
qualified  in its  entirety  by,  reference to the terms set forth in the COMNET
Certificate and in the Certificate of Designation of the COMNET  Preferred Stock
incorporated by reference herein.  For a discussion of the material  differences
between the rights of holders of COMNET  Common  Stock and the rights of holders
of Group 1 Common Stock, see "COMPARISON OF STOCKHOLDER RIGHTS."

     The  authorized  capital stock of COMNET  consists of 10,000,000  shares of
COMNET  Common  Stock,  par value $.50 per share,  and 200,000  shares of COMNET
Preferred  Stock.  As of June 23, 1998,  there were  3,279,040  shares of COMNET
Common  Stock  and  147,500  shares  of  COMNET   Preferred   Stock  issued  and
outstanding.

     Holders of shares of COMNET Common Stock are entitled to one vote per share
for each share held.

COMNET 6% Cumulative Convertible Preferred Stock

     Dividends.  Each  share of  COMNET  Preferred  Stock  currently  issued  is
entitled to receive a 6%  dividend,  semi-annually,  prior to the payment of any
cash dividends with respect to the COMNET Common Stock. Dividends are cumulative
from the date of original issue.  Dividend  payments for the period of time from
the issuance of the COMNET Preferred Stock to January 1, 1998 (the last dividend
payment date) have been paid in full.  Dividends payable on the COMNET Preferred
Stock for each full dividend period are computed by dividing the annual dividend
rate by two.

     Voting Rights.  Each share of COMNET  Preferred  Stock has the right to one
vote for each whole share of COMNET  Common Stock into which it is  convertible.
Holders of shares of COMNET  Preferred  Stock vote  together with holders of the
COMNET Common Stock, as a single class (except as otherwise required by Delaware
law).

     Conversion.  Each share of COMNET  Preferred Stock is convertible  into one
share of COMNET  Common  Stock,  subject  to certain  anti-dilution  protection,
including  provisions  adjustments in the  conversion  ratio in the event of (i)
stock dividends,  stock splits or combinations or reclassifications of shares of
COMNET  Common  Stock,  (ii)  COMNET  issues  COMNET  Common  Stock or rights to
acquire,  or securities  convertible  into, COMNET Common Stock at a price below
the then-market price for COMNET Common Stock, or (iii) mergers, acquisitions or
consolidations of COMNET. COMNET may not declare dividends or distributions with
respect to COMNET Common Stock,  except for regular cash  dividends or dividends
payable  solely in COMNET Common Stock,  unless the holders of COMNET  Preferred
Stock concurrently  receive dividends or distributions  equal in amount and kind
to what such  holders  would have  received if they had  converted  their COMNET
Preferred Stock into COMNET Common Stock.

     Preemption Rights. The COMNET Preferred Stock has no preemptive rights with
respect  to any  subscription  rights or grants of  options,  warrants  or other
interests  in COMNET  Common  Stock  which may be issued by  COMNET.  Holders of
COMNET  Preferred Stock are entitled to receive prior notice of corporate events
such as dividend payments in capital reorganizations,  mergers, acquisitions and
consolidations.

     Redemption.  The COMNET  Preferred  Stock may be  redeemed at the option of
COMNET at $20.00 per share,  plus accrued but unpaid  dividends.  The redemption
price is to be paid in cash,  except that with  respect to the 47,500  shares of
COMNET  Preferred  Stock issued to Dr. Milton  Kaplan and Messrs.  Robert Bowen,
Leonard Smith and John Spohler,  each may, at COMNET's option, be paid by COMNET
issuing  promissory notes to these holders secured by a pledge of 250,000 shares
of Group 1 Common  Stock  owned by  COMNET.  To date,  COMNET has issued no such
promissory  notes.  COMNET has also agreed to enter into a  registration  rights
agreement  granting  holders the right,  subject to the terms and  conditions of
such  agreement,  to  registration  under the Securities Act of 1933, as amended
(the  "Securities  Act"), of COMNET Common Stock issuable upon conversion of the
shares of the  COMNET  Preferred  Stock.  The COMNET  Preferred  Stock is not be
subject to any sinking fund.

Conversion of Group 1 Common Stock

     Assuming the Merger is  consummated,  at the effective  time of the Merger,
each outstanding share of Group 1 Common Stock,  other than shares held in Group
1's treasury or directly or indirectly by COMNET or its subsidiaries or by Group
1 or its  subsidiaries,  will be  converted  into 1.15  shares of COMNET  Common
Stock,  with cash being paid in lieu of fractional  shares.  See "Description of
COMNET Capital Stock".

     Each  outstanding  share of Group 1 Common Stock held in Group 1's treasury
or directly or indirectly  by COMNET would be canceled at the effective  time of
the  Merger  and will  cease to  exist,  and no  securities  of  COMNET or other
consideration  will be  delivered  in  exchange  therefor.  All shares of COMNET
Common Stock that are owned by Group 1 or its subsidiaries  will become treasury
stock of COMNET.

Conversion of Group 1 Common Stock Options

     Assuming the Merger is  consummated,  at the effective  time of the Merger,
each  option  granted by Group 1 to  purchase  shares of Group  Common  Stock (a
"Group 1 Option")  pursuant to any stock option plans maintained by Group 1 that
is outstanding  and unexercised  immediately  prior to the effective time of the
Merger will be converted  automatically  an option to purchase  shares of COMNET
Common Stock (a "COMNET  Option") with (i) the number of shares of COMNET Common
Stock  subject to the COMNET  Stock  Option  being  equal to the  product of the
number  of  shares  of  Group 1  Common  Stock  subject  to the  Group 1  Option
multiplied by the Exchange  Ratio and rounded down to the nearest share and (ii)
the exercise price per share of COMNET Common Stock subject to the COMNET Option
being equal to the  exercise  price per share of Group 1 Common  Stock under the
Group 1 Option divided by the Exchange Ratio and rounded up to the nearest cent.
The  conversion  is  intended  to be  effected in such a manner that any Group 1
Options that qualify as "incentive  stock options" within the meaning of Section
422 of the Internal Revenue Code shall remain so qualified.

Appraisal Rights

     Under the DGCL,  holders of Group 1 Common  Stock,  COMNET Common Stock and
COMNET  Preferred  Stock would have no appraisal  rights in connection  with the
Merger.

                       STOCKHOLDERS SHOULD NOT SEND THEIR
                    STOCK CERTIFICATES WITH THEIR PROXY CARDS

     Group 1. Assuming the Merger is  consummated,  at or prior to the Effective
Time,  COMNET would  deposit,  or cause to be deposited,  with an exchange agent
(the "Exchange Agent"),  for the benefit of the holders of certificates of Group
1 Common Stock, certificates representing the shares of COMNET Common Stock (and
cash in lieu of fractional shares of COMNET Common Stock, if applicable).

     As soon as is practicable  after the Effective  Time, and in no event later
than ten  business  days  thereafter,  the  Exchange  Agent would mail a form of
transmittal letter to the holders of certificates representing shares of Group 1
Common Stock.  The form of transmittal  letter would contain  instructions  with
respect to the surrender of such  certificates  in exchange for shares of COMNET
Common Stock (and cash in lieu of fractional  shares of COMNET Common Stock,  if
applicable).

     No dividends or other distributions  declared with respect to COMNET Common
Stock with a record date after the Effective Time would be paid to the holder of
any  certificate  representing  shares  of  Group  1  Common  Stock  until  such
certificate  or  receipt  had  been   surrendered   for  exchange.   Holders  of
certificates  representing  shares  of  Group 1 Common  Stock  would be paid the
amount  of  dividends  or other  distributions  with a  record  date  after  the
Effective  Time after  surrender  of such  certificates,  without  any  interest
thereon.

     No  fractional  shares of COMNET Common Stock would be issued to any holder
of  Group 1  Common  Stock  upon  consummation  of the  Merger.  In lieu of each
fractional  share that would  otherwise  be issued,  COMNET would pay cash in an
amount  equal to such  fraction  multiplied  by the average of the closing  sale
prices of COMNET Common Stock as reported on the Nasdaq NMS for the five trading
days immediately  preceding the date of the Effective Time. No interest would be
paid or accrued on the cash in lieu of fractional  shares  payable to holders of
such certificates.  No such holder would be entitled to dividends, voting rights
or any other  rights as a  stockholder  in  respect of any  fractional  share of
COMNET  Common  Stock that such  holder  otherwise  would have been  entitled to
receive.

     None of COMNET,  Group 1, the  Exchange  Agent or any other person would be
liable to any former  holder of Group 1 Common Stock or for any amount  properly
delivered  to a public  official  pursuant  to  applicable  abandoned  property,
escheat or similar laws.

     If a certificate representing Group 1 Common Stock has been lost, stolen or
destroyed,  the Exchange Agent, in the case of Group 1 Common Stock, would issue
the consideration  properly payable in accordance with the Merger Agreement upon
receipt  of  appropriate  evidence  as  to  such  loss,  theft  or  destruction,
appropriate  evidence as to the ownership of such  certificate or receipt by the
claimant, and appropriate and customary indemnification.

     For a description of the  differences  between the rights of the holders of
COMNET  Common  Stock and Group 1 Common  Stock,  see  "Comparison  of Rights of
Holders of Group 1 Common Stock and COMNET Common Stock".

     COMNET.  Assuming the Merger is consummated,  shares of COMNET Common Stock
issued and  outstanding  immediately  prior to the  Effective  Time would remain
issued and  outstanding  and be  unaffected  by the Merger,  and holders of such
stock would not be required to exchange the certificates representing such stock
or take any other action by reason of the consummation of the Merger.

     American Stock Transfer & Trust Co. is the transfer agent and registrar for
all outstanding COMNET Common Stock and Group 1 Common Stock.

                    INTERESTS OF CERTAIN PERSONS IN PROPOSALS
                        TO BE CONSIDERED AT THE MEETINGS

     Certain  members of COMNET's  management and the COMNET Board and Group 1's
management and the Group 1 Board, respectively,  could be deemed to have certain
interests in the proposals to be presented at the COMNET  Meeting of the Group 1
Meeting,  respectively, in addition to their interests as stockholders of COMNET
or Group 1, as the case may be, generally. Specifically, the proposal to approve
the  Certificate  Amendment,  which  would  permit  the  implementation  of  the
Stockholder Protection Rights Plan, adopted by the COMNET Board, without further
stockholder approval, may enable management to oppose a hostile takeover attempt
or delay or prevent changes in control or management of COMNET.  See "Proposal 2
- -- Amendment of COMNET  Certificate to Increase the Number Of Authorized  Shares
of COMNET Common Stock from 10,000,000 to 14,000,000 Shares."

          NASDAQ LISTING OF COMNET COMMON STOCK RECEIVED IN THE MERGER

     Assuming the Group 1 Board approves the Merger, COMNET intends to cause the
shares of COMNET Common Stock that would be issued  pursuant to in the Merger to
be  approved  for  listing on Nasdaq  prior to the  Effective  Time,  subject to
official notice of issuance.

         RESALE OF COMNET COMMON STOCK RECEIVED BY GROUP 1 STOCKHOLDERS

     The shares of COMNET  Common Stock that will be issued to  stockholders  of
Group  1  upon  consummation  of the  Merger  have  been  registered  under  the
Securities Act of 1933, as amended (the  "Securities  Act). The shares of COMNET
Common Stock that will be issued to stockholders of Group 1 upon consummation of
the Merger may be traded freely without  restriction by those  stockholders  who
are not deemed to be "affiliates" of Group 1 or COMNET,  as that term is defined
in rules promulgated under the Securities Act.

     Shares of COMNET Common Stock received by those stockholders of Group 1 who
are deemed to be  "affiliates" of Group 1 at the time of the Group 1 Meeting may
be resold  without  registration  under the  Securities Act only as permitted by
Rule 145 under the Securities Act or as otherwise permitted under the Securities
Act.

     The COMNET  Common Stock issued  pursuant to the Merger will not be subject
to any restrictions on transfer arising under the Securities Act of 1933, except
for  shares  issued  to  any  COMNET  stockholder  who  may be  deemed  to be an
"affiliate" of COMNET for purposes of Rule 144 or 145 under the Securities  Act.
Each such affiliate has entered into an agreement  providing that such affiliate
will not  transfer  any COMNET  Common  Stock  received in the Merger  except in
compliance with the resale  provisions of Rule 144 or 145 promulgated  under the
Securities Act or as otherwise  permitted under the Securities Act and will make
no disposition of any COMNET Common Stock (or any interest  therein) received in
connection  with the Merger  unless,  in the  opinion of counsel to COMNET,  the
transaction  will not have any adverse  consequences  for COMNET with respect to
the treatment of the Merger for tax purposes.  In addition,  each such affiliate
agreed  not to  make  any  such  disposition  within  the 30 days  prior  to the
Effective  Time,  and,  until after such time as financial  results  covering at
least 30 days of combined  operations  of the  Surviving  Corporation  after the
Merger  have been  published.  This Proxy  Statement  Prospectus  does not cover
resales of COMNET Common Stock received by any person upon  consummation  of the
Merger,  and no person is  authorized  to make any use of this  Proxy  Statement
Prospectus in connection with any such resale.


                                  LEGAL OPINION

     Assuming the Merger  Agreement  is approved,  the validity of the shares of
COMNET  Common  Stock  issued in  connection  therewith  will be passed upon for
COMNET by Cadwalader, Wickersham & Taft, New York, New York.

                                     EXPERTS

     The consolidated balance sheets of COMNET Corporation and Group 1 Software,
Inc.,  as of March  31,  1998  and  1997,  and the  consolidated  statements  of
stockholders'  equity,  and cash flows for each of the three years in the period
ended  March  31,  1998,  incorporated  by  reference  in this  Proxy  Statement
Prospectus have been incorporated  herein in reliance on the report of Coopers &
Lybrand L.L.P., independent accountants,  given on the authority of that firm as
experts in accounting and auditing.  Valuation  Research,  the Group 1 Financial
Advisor,  has  consented  to the  inclusion of its Opinion as an exhibit to this
Proxy Statement Prospectus.


<PAGE>


              PROPOSAL 1 - PROPOSAL TO APPROVE AND ADOPT THE MERGER
                       AGREEMENT PROVIDING FOR THE MERGER
                           BETWEEN COMNET AND GROUP 1


     The  information  with respect to this Proposal 1, approval and adoption of
the Merger Agreement providing for the Merger, is set forth in the front part of
this Proxy Statement Prospectus.

                  PROPOSAL 2 - AMENDMENT TO COMNET CERTIFICATE
                              TO INCREASE NUMBER OF
                              AUTHORIZED SHARES OF
                     COMNET COMMON STOCK FROM 10,000,000 TO
                               14,000,000 SHARES

     The COMNET Board recommends that  stockholders  approve an amendment to the
COMNET  Certificate  to  increase  the number of shares of stock that  COMNET is
authorized  to issue to an  aggregate of  14,200,000  shares,  of which  200,000
shares  will be COMNET  Preferred  Stock and  14,000,000  shares  will be COMNET
Common  Stock.  The COMNET  Certificate  currently  provides for an aggregate of
10,200,000 authorized shares, of which 200,000 shares are COMNET Preferred Stock
and 10,000,000 shares are COMNET Common Stock.

         Upon the effectiveness of the proposed amendment,  Article Fifth of the
COMNET Certificate will read in its entirety as follows:

               "FIFTH.   The  corporation   shall  have  the
               authority to issue the  following  classes of
               stock:

               (1) a total of fifteen  million  (14,000,000)
               shares of COMNET Common  Stock,  each of such
               shares  having a par value of $.50 per share;
               and

               (2) a total of two hundred thousand (200,000)
               shares  of  Preferred  Stock,  each  of  such
               shares  having a par  value of $.25 per share
               to be issued (i) in such series and with such
               designations,  powers,  preferences,  rights,
               and  such   qualifications,   limitations  or
               restrictions   thereof   as  the   Board   of
               Directors   shall   fix  by   resolution   or
               resolutions  which are  permitted  by Section
               151 of the Delaware  Corporation  Law for any
               such series of Preferred  Stock,  and (ii) in
               such  number of shares in each  series as the
               Board of Directors shall fix by resolution or
               resolutions,   provided  that  the  aggregate
               number  of  all  shares  of  Preferred  Stock
               issued  does not  exceed the number of shares
               of Preferred Stock authorized hereby."

     The  additional  shares of COMNET Common Stock to be authorized by adoption
of  the  proposed   amendment  will  have  rights  identical  to  the  currently
outstanding  shares of COMNET Common Stock.  Adoption of the proposed  amendment
and issuance of  additional  shares of COMNET  Common Stock would not affect the
rights of the holders of currently  outstanding  shares of COMNET  Common Stock,
except for effects  incidental to increasing  the number of shares of the COMNET
Common Stock outstanding,  such as dilution of the earnings per share and voting
rights of current  holders of COMENT Common Stock.  If the amendment is adopted,
it will become  effective  upon the filing of a Certificate  of Amendment of the
COMNET Certificate with the Secretary of State of the State of Delaware.

     In addition to the 3,279,040  shares of COMNET Common Stock  outstanding on
June 23, 1998, the COMNET Board has reserved approximately  1,617,792 shares for
issuance upon exercise of options  outstanding  or available for grant under the
various CONMET stock option plans.

     The additional  authorized shares of COMNET Common Stock may be issued upon
the exercise of the rights to be granted pursuant to the Stockholder  Protection
Rights Agreement,  dated as of _______, 1998, between COMNET and [Rights Agent],
adopted by the COMNET Board. Accordingly, the additional shares of COMENT Common
Stock could be used by COMNET to oppose a hostile  takeover  attempt or delay or
prevent  changes in control or  management  of COMNET.  In addition,  the COMNET
Board could use the  additional  shares of COMNET Common Stock to  strategically
sell shares of COMNET Common Stock in a private  transaction  to purchasers  who
would oppose a takeover or favor the current  COMNET  Board.  From time to time,
COMNET  has  received   unsolicited   acquisition   proposals.   Management  has
considered,  and will continue to consider  such such  proposals in the ordinary
course of business to determine whether such proposals are in the long-term best
interests of COMNET and its stockholders. Although this proposal to increase the
authorized  COMNET  Common  Stock has been  prompted by business  and  financial
considerations   and  not  by  the  threat  of  any  hostile  takeover  attempt,
nevertheless,  stockholders  should be aware that approval of the proposal could
facilitate  future  efforts by COMNET to deter or prevent  changes in control of
COMNET, including transactions in which the stockholders might otherwise receive
a premium for their shares over then current market prices.

     Although  at  present  the  COMNET  Board has no plans to issue  additional
shares of COMNET Common Stock  (except in connection  with the Merger with Group
1), it  believes  it is  desirable  to have such  shares  available  to  provide
additional  flexibility  to use its capital  stock for  business  and  financial
purposes in the future. Further, the additional shares may be issued for various
purposes,   including,   without  limitation,  stock  splits,  stock  dividends,
providing equity  incentives to employees,  officers or directors,  establishing
strategic  relationships  with other companies and expanding  COMNET business or
product lines through the  acquisition of other  businesses or products.  If the
proposed amendment to the COMNET  Certificate is approved,  the COMNET Board may
determine  to take any of the  foregoing  actions  without  the need for further
stockholder approval.

     The affirmative vote of the holders of a majority of the outstanding shares
of COMNET  Common Stock and COMNET  Preferred  Stock will be required to approve
the  proposed  amendment to COMNET  Certificate.  As a result,  abstentions  and
broker non-votes will have the same effect as negative votes.

             The Board of Directors Recommends a Vote "FOR" Approval
                   of the Amendment of the COMNET Certificate

                       PROPOSAL 3 - ELECTION OF DIRECTORS

     COMNET  stockholders  are being asked to elect three  members to the COMNET
Board.  The three members who are so elected and the other six  directors  whose
terms continue  after the COMNET Meeting will  constitute the Board of Directors
of the Surviving Corporation.

     As provided in the COMNET Certificate,  the directors of COMNET are divided
into  three  classes,  and one  class  is  elected  at each  annual  meeting  of
stockholders  and  serves  for a term  ending on the  third  annual  meeting  of
stockholders following their election and until their respective successors have
been elected and qualified.  Under the COMNET By-laws, the election of directors
is  determined  by the vote of a  majority  of the  shares  present in person or
represented by proxy and voting on the matter. Under applicable Delaware law and
the COMNET  Certificate and COMNET By-laws,  abstentions and broker non-votes on
proposals to elect directors will  effectively be treated as shares that are not
present and voting for that matter.

     The Board has  nominated  Messrs.  Charles J. Sindelar and James P. Marden,
Charles A. Mele for  election  at the COMNET  Meeting,  to serve until the third
annual  meeting of  stockholders  of COMNET  following  their election and until
their successors have been elected and qualified. Unless otherwise directed, the
persons  named as proxies in the proxy  enclosed  herewith  will vote the shares
represented by such proxy FOR the election of such nominees as directors.

     If any of the named  nominees is not  available for election at the time of
the COMNET  Meeting,  discretionary  authority  will be  exercised to vote for a
substitute or substitutes,  unless the COMNET Board chooses to reduce the number
of  directors.  Each  nominee for  election to the COMNET  Board named above has
consented to being named as a nominee,  and  management has no reason to believe
that any of the nominees will be unable or unwilling to serve if so elected, and
all  nominees  have  expressed  an  intention to serve the entire term for which
election is sought.

     The following table sets forth certain  information,  including  beneficial
ownership of shares of COMNET  Common Stock after giving effect to the Merger as
if the Merger had  occurred  on June 12,  1998,  concerning  each  director  and
nominee for director and each Named Executive Officer (as defined below).
NOMINEES FOR ELECTION TO THE BOARD OF DIRECTORS

                           Number of Shares of COMNET
<TABLE>
<CAPTION>
<S>                         <C>                  <C>                                        <C>
     Name of Director of    Director             Principal Occupation, Business             Common Stock and Percentage
      the Company (Age)       Since               Experience and Directorships                      of Class (1)
      -----------------       -----               ----------------------------                      ------------
</TABLE>

Class III  Directors  (whose  terms will expire at the third  annual  meeting of
stockholders following the COMNET Meeting, and the election and qualification of
their Pre- Post-Merger(2) successors) Merger
<TABLE>
<CAPTION>
                                                                                                Pre             Post
                                                                                               Merger          Merger (2) 
                                                                                               ------          ---------- 

<S>                           <C>      <C>                                                     <C>             <C> 
   Charles J. Sindelar        1992     Vice President and General Manager, Digital Video       20,000          20,000
   (61)                                Group, Network Systems Division, and previously            *              *
                                       Vice President of the Business Development Network
                                       Systems Division, Zenith Electronics Corporation
                                       since December, 1990.

   James P. Marden            1992     Private investor since June, 1997.  President of        20,000          20,000
   (45)                                The Entertainment Connection, Inc. from January,           *              *
                                       1995 to May, 1997; Vice President - Acquisitions
                                       of Medco and Vice President - Acquisitions of
                                       Synetic, Inc. ("Synetic") from 1992 to 1994.
   Charles A. Mele
   (42)                       1992     Executive Vice President - General Counsel and a        20,000          37,250
                                       director of Synetic for more than five years.  For         *              *
                                       more than five years, up through July 1994, he was
                                       Executive Vice President and General Counsel or
                                       Co-General Counsel of Medco.  He is also a
                                       director of Group 1.
</TABLE>


MEMBERS OF THE BOARD  CONTINUING  IN OFFICE Class I Directors  (whose terms will
expire at the next annual
meeting of stockholders following the COMNET Meeting, and                      
the election and qualification of their successors)                         



<TABLE>
<CAPTION>
                                                                                                Pre             Post
                                                                                               Merger          Merger (2) 
                                                                                               ------          ---------- 

<S>                           <C>      <C>                                                     <C>             <C> 

James V. Manning              1992     Chief Executive Officer of Synetic since                20,000          20,000
(51)                                   September, 1994.  Prior to that, he was Senior
                                       Executive  Vice President - Finance and *
                                       * Administration  and a director of Medco
                                       for more  than  five  years.  He has also
                                       been a director  of Synetic for more than
                                       five years.


Richard H. Eisenberg          1994     President of Great Northern Brokerage Corporation       10,000          10,000
(59)                                   for more than five years.  From 1992 to 1995, he
                                       was also Senior Vice President of Kaye Insurance           *              *
                                       Association, L.P.

Bruce J. Spohler              1997     Managing Director, High Yield, CIBC Oppenheimer         23,675          23,675
(38)                                   for more than five years.
                                                                                                  *              *
</TABLE>


Class II Directors  (whose  terms will expire at the second Pre-  Post-Merger(2)
annual  meeting of  stockholders  following the COMNET  Meeting,  Merger and the
election and qualification of their successors)
<TABLE>
<CAPTION>
                                                                                                Pre             Post
                                                                                               Merger          Merger (2) 
                                                                                               ------          ---------- 

<S>                           <C>      <C>                                                     <C>             <C> 

Robert S. Bowen               1983     President and Chief Executive Officer of COMNET         259,450        277,563
(60)                                   for more than five years and a director, Chairman        7.7%            6.3%
                                       of the Board and Chief Executive Officer of
                                       Group 1 Software, Inc. ("Group 1"), for more than
                                       five years.

Ronald F. Friedman            1987     Director, and Chief Operating Officer of Group 1        136,999        141,929
(54)                                   for more than five years.  He is also a director         4.2%            3.3%
                                       of Group 1.

Thomas S. Buchsbaum           1998     Since March, 1997, Vice President, Education, Dell         0            40,250
(48)                                   Computer Corporation.  Prior to that and for more          *              *
                                       than five years, Executive (and previously Senior)
                                       Vice President, Federal Systems for Zenith Data
                                       Systems, Inc.  Also serves as a director of Dick
                                       Blick Company.
</TABLE>
- ---------------------------
*Less than 1%

(1)  The business  address of Messrs.  Manning and Mele is River Drive Center 2,
     669 River Drive,  Elmwood,  New Jersey  07407-1361.  Mr. Marden's  business
     address is 850 Third  Avenue,  17th Floor,  New York,  New York 10022.  Mr.
     Eisenberg's  business  address is 320 W. 57th St., 5th Floor, New York, New
     York 10019. The business address of Mr. Sindelar is 1000 Milwaukee  Avenue,
     Glenview,  Illinois 60025.  The business address of Mr. Buchsbaum is 1 Dell
     Way, Round Rock,  Texas 78682.  The business  address of Mr. Spohler is 425
     Lexington Avenue, 3rd Floor, New York, New York 10017. The business address
     of Messrs.  Bowen and Friedman is 4200 Parliament Place, Suite 600, Lanham,
     Maryland 20706.

(2)  Includes  shares of COMNET Common Stock  purchasable  upon options that are
     presently  exercisable  or  exercisable  within 60 days of the date of this
     table as follows: Mr. Sindelar - 20,000 shares; Mr. Marden - 20,000 shares;
     Mr. Mele - 37,250  shares;  Mr.  Buchsbaum - 40,250;  Mr.  Manning - 20,000
     shares;  Mr.  Eisenberg - 10,000 shares;  Mr. Spohler - 30,000 shares;  Mr.
     Bowen - 179,113 shares; and Mr. Friedman - 140,449 shares. 

     At the  Effective  Time of the  Merger,  Mr.  Funston  will resign from the
COMNET Board and Mr. Thomas S.  Buchsbaum,  who currently is a director of Group
1, will join the COMNET Board and the COMNET Compensation Committee.

Family Relationships

     There are no family relationships between any director or executive officer
of the Company.  Mr. Bruce J. Spohler is the son of Mr. John  Spohler,  who is a
beneficial holder of more than 5% of the issued and outstanding shares of COMNET
Common Stock, and a former Chairman of the COMNET Board (1984 - 1993).

Board of Directors Committees and Meeting

     The  Bylaws  provide  for  the  COMNET  Board  to  appoint  the  Audit  and
Compensation   Committees.   The  Compensation   Committee's  functions  include
establishing  principles  for  setting  executive  compensation,  and  reviewing
management  proposals pertaining to executive  compensation,  profit sharing and
stock options. The Compensation  Committee recommends  management bonuses to the
COMNET Board for COMNET's  officers and employees.  The  Compensation  Committee
grants options to employees under and in accordance with COMNET's  various stock
option plans. The Compensation Committee is comprised of Messrs. Manning, Marden
and Mele.  None of the members of the  Compensation  Committee  has ever been an
employee of the Company.

     The Audit Committee's  functions  include  recommending to the COMNET Board
the selection of the Company's independent public accountants and reviewing with
such  accountants  the plan,  scope and results of their audit of the  financial
statements  and the  adequacy of the  Company's  system of  internal  accounting
controls.  The Audit  Committee  is  comprised  of Messrs.  Manning,  Marden and
Sindelar.

     During the fiscal  year ended  March 31,  1998,  the COMNET  Board held six
meetings,  the Compensation  Committee held two meetings and the Audit Committee
held one  meeting.  No director  attended  less than 75% of all  meetings of the
COMNET Board and the committees on which such director served during that fiscal
year.

Compensation Committee Interlocks and Insider Participation

     During  Fiscal  Years  1997 and 1998,  no member of  COMNET's  Compensation
Committee served as a director or member of a compensation  committee of another
entity,  where an  executive  officer of that entity has served as a Director of
COMNET or a member of COMNET's Compensation Committee.

Compensation of Directors

     No cash payments have been made to directors for  attendance at meetings of
the COMNET Board or any committee  thereof since April 1985. In September  1995,
COMNET stockholders approved the 1995 Non-Employee Directors' Stock Option Plan,
which  provides  for an  annual,  automatic  grant of  options  to  non-employee
directors.  During the year ended March 31, 1997, Messrs. Manning, Marden, Mele,
Sindelar and Eisenberg  were each granted  options  under the 1995  Non-employee
Directors'  Stock Option Plan to purchase  5,000 shares of the Common Stock.  In
January 12, 1993,  COMNET  stockholders  approved certain fee arrangements  with
Messrs.  Manning, Bower and Friedman,  each of whom is a director of COMNET. See
"CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS -- Fee Agreements".

                          SECURITY OWNERSHIP OF CERTAIN
                        BENEFICIAL OWNERS AND MANAGEMENT

     See  discussion  in  "Proposal  3 - ELECTION  OF  DIRECTORS"  above and the
section  captioned  "BENEFICIAL  OWNERSHIP"  in the  front  part  of  the  Proxy
Statement Prospectus relating to the Merger.


<PAGE>


EXECUTIVE COMPENSATION

                           Summary Compensation Table
<TABLE>
<CAPTION>

                                              Annual Compensation                  Long-Term Compensation Awards
                                    ------------------------------------------   ------------------------------- 
                                                                                                    All other
  Name and Principal Position         Year           Salary           Bonus      Stock Options    Compensation(1)
  ---------------------------         ----           ------           -----      -------------    ---------------
<S>                                   <C>          <C>             <C>             <C>               <C> 
 Robert S. Bowen,                     1998         $269,213        $231,667(3)           --          $67,593
   CEO; Director                      1997          323,587              --          18,750(2)        58,736
                                      1996          309,193         564,519(3)       12,500           75,122(4)
 Ronald F. Friedman,                  1998          184,105          66,085              --           79,318

   President - Group 1                1997          184,105              --          27,000(2)        6,412
   Software; Director
                                      1996          183,400         123,740          10,000           3,000
 Mark D. Funston,                     1998          125,039          17,292              --           9,249

   Chief Financial Officer            1997           64,616(5)       16,500          16,500             782

                                      1996                --             --              --              --

 Alan P. Slater                       1998          169,018          96,594              --           7,511

                                      1997          150,580              --          14,250(2)        7,367

                                      1996          140,769          51,067           7,500           3,634

 Stephen R. Bebee                     1998          134,646          41,859              --          10,909

                                      1997           87,650         114,333          11,000(2)        9,489

                                      1996           77,404         106,336           5,000           3,229
</TABLE>

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

(1)  Includes COMNET contributions to Defined Contribution Savings Plan (401(k))
     auto allowance, and group term life insurance benefits.

(2)  Includes Group 1 Options granted to Mr. Bowen, Mr. Friedman, Mr. Slater and
     Mr. Bebee of 18,750,  15,000,  4,250 and 1,000  shares,  respectively.  All
     other options were granted by COMNET to purchase  COMNET Common Stock.  All
     options vest ratably over five years and expire in ten years.

(3)  Mr. Bowen  elected to defer $81,083 and $197,582 of bonus  compensation  in
     1998 and 1997, respectively in accordance with COMNET deferred compensation
     plan.

(4)  Includes  calculated debt forgiveness of loan from COMNET to Mr. Bowen. See
     " -- Bowen Loan Agreement".

(5)  Mr. Funston's  compensation covers only part of the fiscal year ended March
     31, 1997.

EMPLOYMENT AGREEMENTS

Robert S. Bowen

     COMNET  Agreement.  The Company has  entered  into an amended and  restated
employment agreement with Mr. Bowen, as President and Chief Executive Officer of
COMNET,  dated as of January 28, 1992 (the "COMNET Employment  Agreement").  The
COMNET Employment  Agreement was ratified by the stockholders at the January 22,
1993  meeting.  The COMNET  Employment  Agreement  expires on July 1, 1998,  and
provides for a current total base salary of $340,100 per annum. Mr. Bowen's base
salary  is  adjusted  annually  (effective  each July 1) by the  greater  of (i)
changes  in the area cost of  living,  and (ii) the  average  salary  percentage
increase for COMNET employees approved by the COMNET Board as part of the annual
budget. The COMNET Employment Agreement was amended so that from August 15, 1997
to January 12, 1998, Mr. Bowen's salary was reduced to $170,250,  from $340,500.
This reduced level remained in effect until the financial  performance of COMNET
had improved sufficiently,  in Mr. Bowen's reasonable determination.  The COMNET
Employment  Agreement  provides for a bonus payable to Mr. Bowen equal to 7-1/2%
of the first  $1,000,000 of consolidated  net income before taxes,  with certain
adjustments as defined, and 10% of all such consolidated net income in excess of
$1,000,000.  Consolidated net income includes all earnings attributable to Group
1 and any of COMNET's  business  operations or subsidiaries  directly related to
the  particular  lines of  business  engaged  in by Group 1 or any other  COMNET
subsidiary as of July 1, 1991,  from any source,  including  gain or loss on the
sale of stock or assets of COMNET and its  subsidiaries,  but subject to certain
specified  deletions,  including the Cap Amount (as defined  below)  provisions.
Specified deletions from earnings include, among other items, any provisions for
taxes, any bonus payable under the COMNET  Employment  Agreement,  any excess of
interest  income  over  interest   expense  from  COMNET's  or  its  affiliates'
investments,  any charge to income associated with the exercise of stock options
and any interest or dividend  income from, or gain from the sale of,  securities
held for  investment  at the time Mr.  Bowen joined  COMNET.  The 7-1/2% and 10%
calculations  apply  to gain  realized  upon a sale of Group 1 and  included  in
consolidated  net income  only to the  extent  that such gain does not exceed an
amount equal to the gain that COMNET would realize on a disposition,  if any, of
its interest in Group 1 at a price per share of $21.125 (the "Cap Amount").  The
COMNET Employment  Agreement  provides that with respect to any pretax gain (net
of expenses)  realized upon a disposition of Group 1 in excess of the Cap Amount
described above, Mr. Bowen will be entitled to the following percentages of such
gain:  $0 to $3.3  million - 1%;  above $3.3 to $6.6 million - 2%; above $6.6 to
$9.9 million - 3%; above $9.9 to $13.2  million - 4%; and above $13.2  million -
5%. Further,  any bonus under the COMNET Employment  Agreement will be offset by
40% of all fees theretofore  received by Mr. Bowen under the Bowen Fee Agreement
(described below).

     If Mr. Bowen  terminates his employment with the Company during the term of
the COMNET Employment  Agreement because of any disability,  he will be entitled
to receive his base salary and bonus,  prorated through the date of termination,
and any options previously granted to him will, to the extent exercisable on the
date of termination of Mr. Bowen's employment, continue to be exercisable for 12
months  following  such  termination  date. If Mr. Bowen's  employment  with the
Company is terminated during the term of the COMNET Employment Agreement because
of his death,  his estate will be entitled to receive his base salary and bonus,
prorated through the date of termination,  and any options previously granted to
Mr. Bowen will, to the extent  exercisable on the date of termination,  continue
to be exercisable for six months following Mr. Bowen's death.

     If Mr.  Bowen  terminates  his  employment  with the Company for any reason
other than death or disability  or is  discharged by the Company for cause,  Mr.
Bowen will be entitled to receive his base salary,  prorated through his date of
termination,  and his bonus  earned  and all of his  options  will be treated as
provided in the instruments or agreements governing such options. If the Company
terminates Mr. Bowen's  employment  without cause, Mr. Bowen will be entitled to
receive his salary,  as adjusted,  fringe  benefits and bonuses  throughout  the
remaining  term  of the  COMNET  Employment  Agreement,  as if it had  not  been
terminated,  and all of his options,  including  those that have not yet vested,
will continue to vest or be exercisable as if Mr.  Bowen's  employment  have not
been terminated but had continued for the outstanding balance of the term of the
COMNET Employment  Agreement,  and Mr. Bowen will be afforded the maximum length
of time permissible to exercise such options;  provided,  however,  that if such
vesting of options after  termination is prohibited,  the Company shall, at such
time as the options  would have vested (the  "Vesting  Date"),  pay Mr. Bowen in
cash the difference between the average reported price for the Common Stock over
the 20 days immediately preceding the Vesting Date and the exercise price of the
stock options on the Vesting Date.

     Group 1 Agreement.  Group 1 entered into an amended and restated employment
agreement  with Mr. Bowen,  a director,  as Chief  Executive  Officer of Group 1
dated as of January 28, 1992 as subsequently amended (collectively, the "Group 1
Agreement").  Salary and incentive compensation paid under the Group 1 Agreement
are not to be duplicated by payments under the COMNET Employment  Agreement,  so
long as the COMNET  Employment  Agreement  is  effective.  The Group 1 Agreement
expires on March 31, 2001 and  provides  for a salary of not less than  $272,080
per annum  subject to  adjustments  (effective  each July 1) depending  upon the
amount of professional  time dedicated to Group 1 vis-a-vis  COMNET and adjusted
annually by the greater of (i) any changes in the area cost of living index, and
(ii) the average salary percentage  increase for employees approved by the Group
1 Board as part of its annual budget.

     The Group 1  Agreement  also  includes an annual  incentive  bonus equal to
7-1/2% of the first  $1,000,000  of  consolidated  net  income of Group 1 before
taxes with certain  adjustments as defined,  and 10% of such income in excess of
$1,000,000,  such bonus to be no greater  than that  determined  under a similar
bonus  program  related to the  consolidated  earnings  of COMNET as long as the
program  relating to COMNET is effective.  Consolidated net income as defined in
the Group 1 Agreement includes all earnings of Group 1 and its subsidiaries from
any source, subject to certain specified deletions but including gain or loss on
the sale of stock or assets of Group 1 and/or a subsidiary.  Specified deletions
from net income include,  among other items,  any provision for taxes, any bonus
payable under the Group 1 Agreement, any excess of interest income from bank and
other cash deposits over interest expense from loans or other financing, and any
charge to income associated with the exercise of stock options.

     If Mr. Bowen's employment with Group 1 is terminated during the term of the
Group 1 Agreement  because of his disability or death, his base salary and bonus
will be prorated  through the date of termination.  If Mr. Bowen  terminates his
employment  with Group 1 for any reason other than death or  disability or if he
is  discharged  by Group 1 for cause,  Mr.  Bowen will be  entitled  to his base
salary,  equitably prorated, and any bonuses earned for any fiscal year prior to
the fiscal year in which his  termination  of  employment  occurred.  If Group 1
terminates  Mr.  Bowen's  employment  without  cause,  Mr.  Bowen is entitled to
receive his salary, fringe benefits and bonuses throughout the remaining term of
the Group 1 Agreement.  Upon any  termination  of Bowen's  employment  under the
Group 1 Agreement,  all options held by Bowen to purchase Group 1's common stock
will be treated as provided in the  instruments  or  agreements  governing  such
options.

     The Group 1 Agreement also provides that as long as the Company owns 25% or
more of the outstanding  shares of Group 1 Common Stock,  Mr. Bowen will receive
no  additional  compensation  under  the  Group 1  Agreement,  but  Mr.  Bowen's
aggregate  compensation  payable under his employment agreement with COMNET will
be  allocated  between  COMNET and Group 1 based on the  proportion  of his time
spent working for each of the two companies. If COMNET ceases to own 25% or more
of the outstanding shares of Group 1 Common Stock, (i) Mr. Bowen's annual salary
under the Group 1 Agreement  is  increased to the greater of $240,000 or 160% of
the then  current  base salary of Group 1's Chief  Operating  Officer,  adjusted
upward or downward to the extent that the  proportion of Mr.  Bowen's time spent
working  for Group 1 is greater or lesser than 50% and  adjusted  for changes in
the  cost of  living,  (ii) Mr.  Bowen's  annual  salary  under  his  employment
agreement  with  COMNET is reduced to reflect  only the  proportion  of his time
spent  working for  COMNET's  businesses  other than Group 1 and (iii) Mr. Bowen
becomes  entitled  to  receive  incentive  bonus  compensation  from  Group 1 as
follows:  (A) if COMNET  disposes  of its  interest  in Group 1 in a  registered
public  offering,  then for each fiscal year, if Group 1's earnings equal budget
targets established by the Group Board in its reasonable business judgment, then
Mr.  Bowen's bonus shall be the greater of $200,000 or 160% of the bonus payable
to Group 1's Chief Operating  Officer,  and if Group 1's earnings are greater or
lesser  than such  targets,  then Mr.  Bowen's  bonus  will vary from the amount
payable to him at the target earnings level to the same  proportional  extent as
the variation in the bonus payable to Group 1's Chief Operating Officer; and (B)
if COMNET disposes of its interest in Group 1 other than in a registered  public
offering,  then Mr.  Bowen's  bonus shall be as determined by the Group 1 Board,
without the participation of any directors affiliated with COMNET.

     Under the Merger Agreement,  Mr. Bowen's employment  agreement with Group 1
will be assumed by COMNET. As a result,  Mr. Bowen's employment with COMNET will
be extended  until March 31, 2001 (his agreement with COMNET is currently set to
expire in July 1, 1998).

Ronald F. Friedman

     Group 1 has entered into an employment  agreement,  dated October 31, 1990,
with Ronald F. Friedman, a director, as President and Chief Operating Officer of
Group 1. The agreement, as amended,  expires on March 31, 1999, and provides for
annual base  compensation  of $183,400 per annum (adjusted as of April 1, 1995),
which may be further  adjusted  annually for merit  increases  upon  approval of
Group 1's compensation committee.  Under his employment agreement,  Mr. Friedman
was  entitled to receive an annual  bonus for the fiscal  year ending  March 31,
1997 based on a percentage of Group 1's net income before income taxes, interest
expense,  management  fees and bonus  amounts  paid to or for the benefit of Mr.
Friedman  and Group 1's Chief  Executive  Officer  and Chief  Financial  Officer
("Adjusted Net Income"),  which bonus plan for fiscal year 1997 varied from 7.4%
of Adjusted Net Income over $5.6 million,  up to a maximum of 9% of Adjusted Net
Income over $9.0 million. The bonus was based upon both achievement of a certain
level of  Adjusted  Net Income  and,  in the  opinion of Group 1's  compensation
committee  and the Group 1 Board,  satisfactory  growth over  actual  prior year
results. A bonus plan has not been put in place yet for the current fiscal year.
If Mr.  Friedman  retires or  becomes  totally  and  permanently  disabled,  Mr.
Friedman  shall be  entitled  to receive  all earned but unpaid  bonuses and any
subsequent  bonus  installments.  In the case of death,  all  earned  but unpaid
bonuses and subsequent bonus  installments shall be paid promptly in one sum. If
Mr. Friedman is terminated for cause or resigns under  circumstances which would
justify  termination  for cause,  all unpaid  bonuses will be  forfeited  and no
longer be payable.  If a change in control of Group 1 occurs,  Mr. Friedman,  at
his option,  has the right to resign his position  with Group 1 and Group 1 will
continue to pay his compensation and provide him with employee  benefits for one
year or until the expiration date of the employment agreement,  whichever is the
shorter period, and will pay Mr. Friedman,  as a lump sum, all earned but unpaid
bonuses.  In addition,  bonuses will be paid on a pro-rata  basis for the period
through the nearest full fiscal quarter prior to resignation.

     Under the Merger Agreement,  Mr. Friedman's employment agreement with Group
1 will be assumed by COMNET.


<PAGE>


                              OPTION EXERCISES AND
                             YEAR-END OPTION VALUES
                        FISCAL YEAR ENDED MARCH 31, 1998
                        --------------------------------
<TABLE>
<CAPTION>

                                                                 Number of Unexercised       
                                                                        Options/             Value of Unexercised Options/
                                                                     SARs at FY-End                SARs at FY-END(1)      
                                                                     --------------                -----------------      
                                   Shares                                                    
                                  Acquired         Value
                 Name           on Exercise      Realized     Exercisable   Unexercisable     Exercisable     Unexercisable
         ---------------------  -----------      --------     -----------   -------------     -----------     -------------
         <S>                       <C>             <C>            <C>              <C>           <C>           <C>
         COMNET
         ------
         Robert S. Bowen            None           None            174,800          7,500        $47,850          ---
         Ronald F. Friedman         None           None            136,999          8,001        $41,250          ---
         Mark D. Funston            None           None              3,300         13,200         ---             ---
         Alan P. Slater             None           None             18,200         13,300        $ 6,875          ---
         Stephen R. Bebee           None           None             10,900         11,500        $ 2,062          ---



         GROUP 1
         Robert S. Bowen            None           None              3,750         15,000         $3,750           $15,000
         Ronald F. Friedman         None           None              3,000         12,000         $3,000           $12,000
         Mark D. Funston            None           None               ---            ---            ---              ---
         Alan P. Slater             None           None                850          3,400           $850            $3,400
         Stephen R. Bebee           None           None                200            800           $200              $800

</TABLE>

(1)  These values are based upon the difference  between the exercise  prices of
     all options  awarded  and the  average  price of $8.00 per share for COMNET
     common  stock and  $7.50  per  share for Group 1 common  stock at March 31,
     1998.

No options were  granted to or  exercised by any of the persons  listed in table
during fiscal year 1998.


<PAGE>


                 CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
Fee Agreements

Fee Agreement with Mr. Manning

     The Company has agreed,  pursuant to fee agreement  dated as of January 28,
1992,  to pay  Mr.  Manning  fees of 1/2%  of the  total  consideration  paid on
acquisitions,  and 1/2% of the pre-tax gain (net of expenses) on dispositions of
COMNET's  or its  subsidiaries'  businesses.  Fees  payable  with  respect  to a
disposition,  if any, by COMNET of its holdings in Group 1 would be payable only
if,  and  to  the  extent  that,  the  consideration   COMNET  receives  exceeds
$50,000,000.  This  agreement  terminates  on January 27, 2002,  unless  earlier
terminated  because Mr. Manning ceases to be a director,  officer or employee of
the Company.  This agreement was approved by the stockholders at the January 22,
1993 meeting.  Mr. Manning has earned no payment according to this fee agreement
during the fiscal year ended March 31, 1998.

Fee Agreement with Mr. Bowen

     The Company has entered into a fee  agreement  dated as of January 28, 1992
(the "Bowen Fee Agreement") with Mr. Bowen,  President,  Chief Executive Officer
and a  director  of  COMNET.  The  Bowen  Fee  Agreement  was  approved  by  the
stockholders at the January 22, 1993 meeting. Under the Bowen Fee Agreement, Mr.
Bowen will be  entitled to a fee of 1/2% of the total  consideration  payable on
acquisitions  and 1/2% of the pre-tax gain (net of expenses) on  dispositions of
COMNET's or its  subsidiaries'  businesses.  However,  this fee will not be paid
with respect to a  disposition,  if any, of Group 1 or any of COMNET's  business
operations or subsidiaries  directly related to the particular lines of business
engaged in by such  companies as of July 1, 1991,  which shall remain subject to
the incentive compensation arrangements in Mr. Bowen's Employment Agreement.

     The Bowen Fee Agreement  terminates  on January 27, 2002,  unless Mr. Bowen
ceases to be a director,  officer or employee  of COMNET,  provided  that if Mr.
Bowen's  employment  is  terminated  without  cause (as  defined  in his  COMNET
Employment Agreement),  COMNET must either continue this agreement until January
27, 2002 or pay Mr. Bowen the  incentive  bonus upon a  disposition,  if any, of
COMNET's  interests in Group 1 to which Mr. Bowen would have been entitled under
the COMNET  Employment  Agreement,  as in effect  prior to its  January 28, 1992
amendment and restatement. Mr. Bowen has earned no payment according to this fee
agreement during the fiscal year ended March 31, 1998.

Fee Agreement with Mr. Friedman

     The Company has entered into a fee agreement with Mr. Friedman, a director,
dated as of January 28,  1992,  which was  approved by the  stockholders  at the
January 22, 1993 meeting.  Pursuant to this fee agreement,  Mr. Friedman will be
entitled to receive on disposition,  if any, of COMNET's  interest in Group 1 or
on the sale by Group 1 or any of its  subsidiaries  of any business unit or line
of business of Group 1 or any of its  subsidiaries,  a fee in an amount equal to
the  following  percentages  of COMNET's  pre-tax  gain (net of expenses) to the
extent  such gain  exceeds  $21.125  per share of Group 1: $0 to $3.3  million -
0.5%;  above $3.3 to $6.6 million - 1%; above $6.6 to $9.9 million - 1.5%; above
$9.9 to $13.2 million - 2%; and above $13.2 million - 2.5%.  Such fee shall only
be payable,  however,  if Group 1's net operating income increases at an average
annualized  rate of 20% or more from 1991 until such  disposition.  If Group 1's
net operating income increases at an average annualized rate of 15% or more, but
less than 20%, Mr.  Friedman will be entitled to one-half of the fee percentages
set forth above.  This fee agreement  terminates on January 27, 2002, unless Mr.
Friedman is no longer a director, officer or employee of COMNET. Because no such
disposition  has been made, no payments have been made to Mr. Friedman under his
fee agreement.

Bonus Programs to Other Executives

     Mr.  Funston is entitled to an annual  incentive  bonus for the fiscal year
ended  March  31,  1998 to be  calculated  on the  basis  of  Group  1's  profit
performance as compared to internal profit targets.  Mr. Weiss is entitled to an
annual  bonus for the fiscal year ended March 31, 1998  calculated  on the basis
Company's  profit  performance  as compared to internal  profit  targets and the
achievement of certain other objectives.

Deferred Compensation Arrangements

     COMNET has adopted a Deferred Compensation Plan by which certain members of
senior  management  have the option of deferring the receipt of amounts of their
annual bonus compensation, if any, and/or their base compensation (the "Deferred
Compensation  Plan").  The Deferred  Compensation  Plan is intended by COMNET to
qualify as an unfunded  plan for federal  income tax  purposes  and the Employee
Retirement  Income  Security Act  (ERISA).  The  Deferred  Compensation  Plan is
administered  by COMNET.  The expenses  associated  with the  establishment  and
administration  of the  Deferred  Compensation  Plan are  borne by  COMNET.  Any
expenses,   however,  of  implementing  any  investment  option  selected  by  a
participant are charged against that participant's account.

     The  compensation  that is being  deferred is paid into a trust  designated
solely to administer the Deferred Compensation Program.  Currently, Mr. Bowen is
the only participant in COMNET's Deferred Compensation Plan.

Executive Supplementary Benefits

     COMNET  provides  certain  of its  executive  officers  with  group  health
insurance  and  disability  insurance  policies  that are not  available  to all
salaried employees.  These supplementary benefits to such executive officers are
limited to the cost of the premiums for the coverage. The aggregate cost is less
than $25,000 per year for each covered executive officer.

Bowen Loan Agreement

     On January 23, 1992,  COMNET  entered into a Loan  Agreement with Mr. Bowen
under which COMNET agreed to loan him $235,000 on the following  terms:  (i) the
loan was made in three  installments  ($78,334 on the date of the Loan Agreement
and  $78,333  on the  first  and  second  anniversary  dates  thereof);  (ii) in
consideration  of each  advance of funds,  Mr.  Bowen  delivered  an  interest -
bearing  promissory  to  COMNET;  (iii)  each  promissory  note  will be  deemed
satisfied in full and canceled if, as of its due date,  July 1, 1998,  Mr. Bowen
has complied with certain conditions set forth in the Loan Agreement  including,
without  limitation,  Mr. Bowen tendering his services to COMNET or an affiliate
of COMNET  and  complying  with  certain  provisions  of his  COMNET  Employment
Agreement; and (iv) upon Mr. Bowen's death or disability,  such promissory notes
will be deemed  satisfied and canceled  provided the  conditions in clause (iii)
above have been satisfied up to the date of such death or disability.

Friedman Loan Agreement

         The loan is secured by a second  mortgage on Mr.  Friedman's  residence
and  by  any  proceeds  from  the  exercise  of  stock  options  and  subsequent
disposition of such option shares that Mr.  Friedman holds in COMNET or Group 1.
Effective  with the January 15, 1997  amendments,  the loan was modified so that
its  term  is now the  earlier  to  occur  of 20  years  or his  termination  of
employment with Group 1; the principal balance is now subject to interest at the
rate  charged  to  the  Company  by  its  primary  commercial  lender  (adjusted
quarterly); interest is payable quarterly; 30% of Mr. Friedman's incentive bonus
from  Group 1 (after  salary  draw is  satisfied)  shall be  applied  to  annual
principal payments.  The loan's current interest rate is seven percent (7%). The
principal and interest  balance on the loan outstanding as of March 31, 1998 was
$388,664.

Spohler Director Arrangement

         As  compensation  for his service as a COMNET  director,  Mr.  Bruce J.
Spohler would be granted  options to purchase  COMNET Common Stock in accordance
with the 1995 Non-Employee  Director Stock Option Plan.  However, as an employee
of CIBC  Oppenheimer  Corp.,  he is required  to  transfer  to CIBC  Oppenheimer
compensation  such as these options to purchase  COMNET  Common Stock.  Further,
these  COMNET  options  can be issued  only to  persons  then  serving as COMNET
directors and cannot after issuance be transferred to persons who are not COMNET
directors.  In respect of Mr. Spohler's service on the COMNET Board,  COMNET has
issued  to  CIBC  Oppenheimer  warrants  to  purchase  COMNET  Common  Stock  on
substantially the same terms as the terms of the 1995 COMNET  Non-Employee Stock
Option Director Plan.

Executive Officers

     The executive officers are Robert S. Bowen, Ronald F. Friedman,  Stephen R.
Bebee, Alan P. Slater and Edward Weiss. The business  experience during at least
the past five years for Messrs.  Bowen,  Friedman and Funston is set forth under
"--Nominees For Election to the Board of Directors" and "-- Directors Continuing
in Office." Messrs.  Slater and Bebee have served in sales management  positions
at Group 1 during the past five years.  Mr. Weiss,  47, has been General Counsel
of COMNET since January 1990, and has been Secretary since November, 1990.

                COMPLIANCE WITH SECTION 16(a) OF THE EXCHANGE ACT

Based solely on a review of Forms 3, 4 and 5 and amendments thereto furnished to
COMNET,  all directors,  officers and beneficial owners of more than ten percent
of any class of stock  have  filed on a timely  basis  all Forms 3,  Forms 4 and
Forms 5 required to be filed by such directors,  officers and beneficial  owners
in the fiscal year ended March 31,  1998,  except for Mr.  Bruce J.  Spohler who
inadvertently filed a Form 3 late.
<PAGE>





                       REPORT ON EXECUTIVE COMPENSATION(1)

- --------------------------------------------------------------------------------
     The Company has established an executive  compensation program based on the
following  on-going   principles  and  objectives:   (i)  provide   compensation
opportunities  that will help  attract,  motivate  and retain  highly  qualified
managers and executives,  (ii) link executive's  total  compensation to COMNET's
performance and the individual performance of the executive and (iii) provide an
appropriate balance between incentives focused on achievement of annual business
plans and longer term  incentives  linked to increases in stockholder  value. To
effectuate  these  principles and objectives,  compensation for each of COMNET's
executives consists of base salary compensation,  annual incentive  compensation
(based in most cases on profit  performance  measured  against  internal  profit
targets) and stock option grants.

         For the fiscal year ended March 31, 1998,  the  Compensation  Committee
did not review the base salary or incentive  compensation  program for Mr. Bowen
since these matters are fixed by his employment agreement.  Grants of options to
executive officers and the compensation  programs for executive officers,  other
than Mr. Bowen, are reviewed annually by the Compensation  Committee,  including
the review conducted for the most recent fiscal year.

                                            Compensation Committee
                                            ----------------------

                                            James V. Manning
                                            James P. Marden
                                            Charles A. Mele


                     PERFORMANCE MEASUREMENT COMPARISON (1)

Comparison of Cumulative Total Return of Company, Peer Group and Broad Market
                               [Performance graph]
<TABLE>
<CAPTION>

                                                                  Fiscal Year Ending
                                      ---------------------------------------------------------------------------
                                      1993          1994          1995          1996          1997          1998
                                      ----          ----          ----          ----          ----          ----
<S>                                     <C>        <C>           <C>            <C>           <C>            <C>
COMNET Corp.                            100          38.04         44.02         43.48         36.96         34.78
Peer Group*                             100         101.20        177.23        186.08        204.16        428.98
Broad Market                            100         115.57        122.61        164.91        184.50        278.82
</TABLE>


The Peer Group Chosen Was:                          Customer Selected Stock List
The Broad Market Index Chosen Was:                  Nasdaq Market Index
*The Peer Group is made up of the following         BGS Systems Inc.
securities:                                         Hathaway Corp.
                                                    Hyperion Software Inc.
                                                    Timberline Software CP

- ----------

(1)  Pursuant  to Item  401(a)(9)  of  Regulation  S-K  promulgated  by the SEC,
     neither the "Report on Executive  Compensation"  nor the material under the
     caption  "Performance  Measurement  Comparison" shall be deemed to be filed
     with the SEC for  purposes  of the  Securities  Exchange  Act of  1934,  as
     amended,   nor  shall  such  report  or  such  material  be  deemed  to  be
     incorporated by reference in any past or future filing by the Company under
     the Exchange Act or the securities Act of 1933, as amended.

<PAGE>


           PROPOSAL 4 - APPROVAL OF AMENDMENT TO THE 1995 NON-EMPLOYEE
                          DIRECTORS' STOCK OPTION PLAN

     COMNET instituted its 1995  Non-Employee  Directors' Stock Option Plan (the
"Plan") in September 1995. An aggregate of 150,000 shares of COMNET Common Stock
was  authorized  for issuance  under the Plan in September  1995. As of June 23,
1998,  options  (net of canceled or expired  options)  covering an  aggregate of
90,000 shares of COMNET Common Stock had been granted under the Plan. No options
have been  exercised  under  the  plan.  The Plan is  administered  by  COMNET's
Compensation Committee.

     On June 9, 1998, the COMNET Board adopted an amendment to the Plan, subject
to stockholder  approval  hereby  solicited,  to enhance the  flexibility of the
COMNET  Compensation  Committee in granting stock options to COMNET non-employee
directors.  The amendment  increased the number of shares of COMNET Common Stock
authorized  for issuance under the Plan. The COMNET Board adopted this amendment
to ensure that COMNET could continue to grant awards to  non-employee  directors
at levels  determined  appropriate  by the COMNET  Compensation  Committee.  The
COMNET  Board  believes  that the  increase  in the number of shares in the Plan
would be sufficient to provide an appropriate  number of reserved shares for the
next several years.

     Stockholders  are  requested in this Proposal 4 to approve the amendment to
the Plan. The  affirmative  vote of the holders of a majority of the outstanding
shares  entitled to vote will be required to approve the  amendment to the Plan.
As a result,  abstentions  and  broker  non-votes  will have the same  effect as
negative votes.

             The COMNET Board Recommends A Vote "FOR" The Amendment
              To The 1995 Non-Employee Directors' Stock Option Plan

     The following is a brief  description  of the  principal  provisions of the
Plan and is  qualified  in its entirety by the Plan, a copy of which is attached
hereto as Exhibit D.

     Under the Plan, as amended, the aggregate number of shares of COMNET Common
Stock  which may be issued  pursuant  to options is 300,000  shares,  subject to
adjustment   in  certain   circumstances,   including   merger,   consolidation,
reorganization,  recapitalization, stock dividends, stock splits, combination of
shares,  exchange of shares,  change of  corporate  structure  or other  similar
transactions.

     The terms and  conditions  under which  options  shall be granted under the
Plan are set forth in the Plan and  described  below.  The  COMNET  Board or any
executive  officer  designated  by the  COMNET  Board  shall have  authority  to
interpret the  provisions of the Plan, to establish such rules and procedures as
may  be  necessary  or  advisable  to  administer  the  Plan  and  to  make  all
determinations  necessary  or  advisable  for the  administration  of the  Plan,
provided that no such interpretation or determination shall change or affect the
selection of participants  eligible to receive grants under the Plan, the number
of  shares of  COMNET  Common  Stock  covered  by or the  timing of any grant of
options under the Plan or the terms and conditions thereof.

     Eligibility.  All non-employee  directors of COMNET are eligible to receive
options  under the Plan.  The Company  currently  has 6  non-employee  directors
eligible to  participate in the Plan, of which 3 such directors are standing for
election to the COMNET Board. See "Proposal 3 - Election of Directors."

     Term of Plan; Grant of Options to Non-Employee Directors. The Plan has been
effective as of September  12, 1995,  upon approval by the  stockholders  at the
1995 annual  meeting of COMNET.  On the first day of each fiscal year during the
term of the Plan, each non-employee  director then in office will  automatically
be  granted  an option to  purchase  5,000  shares of COMNET  Common  Stock.  In
addition,  each  non-employee  director whose initial term  commences  after the
effective  date of the Plan shall receive an option to purchase  5,000 shares of
COMNET  Common  Stock at the time such  director is first  elected to the COMNET
Board.  No options  may be  granted  under the Plan after  September  10,  2005.
Options  shall be  evidenced  by a stock  option  agreement  in such form as the
COMNET Board or any executive  officer of COMNET  designated by the COMNET Board
shall from time to time determine consistent with the Plan.

     Terms and Conditions of Options.  Options granted to non-employee directors
become exercisable at a rate of 20% each successive year from the date of grant.
The purchase price of the COMNET Common Stock under each option will be the fair
market value of the COMNET  Common  Stock on the date of grant.  For purposes of
the Plan,  fair  market  value shall mean (i) the last sales price of a share of
COMNET  Common  Stock  traded on the  over-the-counter  market,  as  reported on
Nasdaq,  but if no shares of COMNET Common Stock were traded on such date,  then
on the last previous date on which a share of COMNET Common Stock was so traded,
(ii) the closing price for a share of COMNET Common Stock on the stock exchange,
if any, on which the shares of COMNET Common Stock are primarily traded,  but if
no shares of COMNET  Common  Stock were  traded on such  date,  then on the last
previous  date on which a share of COMNET Common Stock was so traded or (iii) if
none of the above is applicable, the value of a share of COMNET Common Stock for
such date as established by a nationally recognized appraisal firm or investment
bank, using any reasonable method of valuation.

     All options expire on the earlier of the fifteenth  anniversary of the date
of grant or the date of termination  of the  optionee's  status as a director of
COMNET.  Subject to such fifteen year maximum duration, if an optionee ceases to
be a director of COMNET due to  retirement  upon or after  attaining  age 65 (or
such earlier date as such optionee  shall be permitted to retire under  COMNET's
retirement  policy  then in effect) or  disability,  he or she shall have thirty
days  following  his or her  termination  to exercise  his or her options to the
extent  exercisable  as of such  termination,  and if an  optionee  dies while a
director of COMNET or within thirty days  following the date of  termination  of
such optionee's status as a director,  such optionee's personal  representatives
or heirs shall have one (1) year following such optionee's death to exercise his
or her options,  to the extent such options were  exercisable  as of the date of
the optionee's death.

     Under the Plan, an option becomes exercisable in full, whether or not it is
then  exercisable,  upon a Change in Control (as defined in the Plan). If COMNET
is  merged  or  consolidated  with  another  corporation  or in the  event  of a
reorganization,  separation  or  liquidation  of  COMNET,  the  options  will be
replaced by options to purchase stock in the successor corporation.

     The Plan may be  terminated  and may be  modified  or amended by the COMNET
Board at any time,  provided,  however,  that (i) no  modification  or amendment
increasing  the  aggregate  number of shares which may be issued under  options,
materially  increasing  benefits  accruing to  participants  under the Plan,  or
materially modifying the requirements as to eligibility to receive options shall
be effective without stockholder approval within one (1) year of the adoption of
such amendments, (ii) no such termination, modification or amendment of the Plan
shall  alter or affect  the  terms of any  then-outstanding  options  previously
granted,  without the consent of the holder  thereof and (iii) the provisions of
the Plan with  respect to the number of shares of COMNET  Common Stock for which
options shall be granted,  the timing of such grants and the exercise  price for
such options shall not be amended more than once every six months, other than to
comport with changes in the Internal  Revenue Code of 1986,  as amended,  or the
Employee  Retirement Income Security Act of 1974, as amended,  or the respective
rules thereunder.

     Certain Tax Matters. The following is a summary, and does not purport to be
a complete  description,  of certain  federal income tax aspects of the Plan and
transactions  thereunder.  Furthermore,  no information is given with respect to
any state, local, or foreign taxes which may be applicable.

     Under the Plan, an optionee will not recognize  taxable income,  and COMNET
will not be entitled to a deduction,  upon the grant of an option. Upon exercise
of such option,  the optionee will recognize  ordinary income in an amount equal
to the  amount by which the fair  market  value of each  share of COMNET  Common
Stock on the date of exercise exceeds the option price. The amount so recognized
as income will be deductible by COMNET. Upon any subsequent sale of shares by an
optionee,  the optionee's  basis in the shares purchased for determining gain or
loss will be their fair  market  value on the date of  exercise,  if such shares
were  acquired  for cash.  If the  exercise of the option is made by delivery of
shares of COMNET  Common  Stock in  payment  of the  option  price,  the  shares
delivered  are  deemed  to  be  exchanged  in a  tax-free  transaction  for  the
equivalent  number of new shares of COMNET Common Stock.  Such equivalent number
of new shares has the same basis and holding period as the shares exchanged.

     The number of shares  received in excess of the number of shares  delivered
is included in the  optionee's  income at the fair market  value  thereof at the
time of exercise. Any gain or loss recognized upon the sale or other disposition
of these shares will be capital  gain or loss,  either  long-term or  short-term
depending  upon the holding  period of the shares  (which begins on the date the
optionee  recognizes  income with respect to such shares,  except for the shares
deemed to be received in a tax-free transaction as described above).

     The foregoing is not to be  considered  as tax advice to the optionee,  and
any such person should consult their own tax counsel.



<PAGE>
                                                                       EXHIBIT A
         
                          AGREEMENT AND PLAN OF MERGER




                                     BETWEEN




                             GROUP 1 SOFTWARE, INC.




                                       AND



                               COMNET CORPORATION



                                   DATED AS OF



                                  JUNE 23, 1998




<PAGE>





                          AGREEMENT AND PLAN OF MERGER

     AGREEMENT AND PLAN OF MERGER, dated as of June 23, 1998 (this "Agreement"),
between  COMNET  Corporation,  a  Delaware  corporation  ("COMNET")  and Group 1
Software, Inc., a Delaware corporation and a majority-owned subsidiary of COMNET
("Group 1").

                              W I T N E S S E T H:

     WHEREAS, the business interests of COMNET are substantially  limited to its
ownership of approximately  81.2% of the issued and outstanding  shares of stock
of Group 1; and

     WHEREAS, the Boards of Directors of COMNET and Group 1 have determined that
a merger of COMNET and Group 1 (the  "Merger")  would be in the  long-term  best
interests of the stockholders of both COMNET and Group 1; and

     WHEREAS,  COMNET  and  Group 1 intend to effect  the  Merger as a  tax-free
reorganization under the Internal Revenue Code of 1986, as amended (the "Code"),
pursuant to this Agreement.

     NOW, THEREFORE,  in consideration of the foregoing and the mutual covenants
and agreements herein contained, and intending to be legally bound hereby, Group
1 and COMNET hereby agree as follows:

                                    ARTICLE I

     Section 1.01 The Merger.  Upon the terms and subject to the  conditions set
forth in this  Agreement,  and in accordance with Delaware Law, at the Effective
Time (as defined in Section  1.02) Group 1 shall be merged with and into COMNET.
As a result of the Merger,  the  separate  corporate  existence of Group 1 shall
cease and COMNET shall continue as the surviving  corporation of the Merger (the
"Surviving Corporation").

     Section 1.02 Effective Time.  Within three business days following the last
to occur of (i) receipt of the  stockholder  approvals  contemplated  at Section
6.01(b),  (ii)  receipt of the required  regulatory  approvals  contemplated  at
Section  6.01(c) and  expiration  of any  applicable  waiting  periods  required
thereby and (iii)  satisfaction  of any other  condition to closing set forth in
Article VI, or on such other date as the parties  hereto may agree,  the parties
hereto  shall  cause the Merger to be  consummated  by filing a  Certificate  of
Merger (the "Certificate of Merger") with the Secretary of State of the State of
Delaware,  in such form as required by, and  executed in  accordance  with,  the
relevant  provisions  of  Delaware  Law (the date and time of the  filing of the
Certificate of Merger is hereinafter referred to as the "Effective Time").

     Section 1.03 Effect of the Merger. At the Effective Time, the effect of the
Merger  shall be as  provided in the  applicable  provisions  of  Delaware  Law.
Without limiting the generality of the foregoing,  and subject  thereto,  at the
Effective Time, except as otherwise provided herein,  all the property,  rights,
privileges,  powers  and  franchises  of  Group  1 shall  vest in the  Surviving
Corporation,  and all debts,  liabilities and duties of Group 1 shall become the
debts, liabilities and duties of the Surviving Corporation.

     Section 1.04 Post-Merger  Operations.  Upon the Merger,  the parties intend
that the principal  executive  office of the Surviving  Corporation  will remain
designated  as 4200  Parliament  Place,  Suite  600,  Lanham,  MD. It is further
anticipated  that the Surviving  Corporation  will, for the foreseeable  future,
maintain  significant  operations  in the same manner as  maintained  by Group 1
immediately prior to the Effective Date.

     Section 1.05  Certificate  of  Incorporation  and Bylaws.  At the Effective
Time,  the  Certificate  of  Incorporation  and the  Bylaws  of COMNET in effect
immediately prior to the Effective Time, as amended by the Certificate of Merger
to change the name of the  Surviving  Corporation  to "Group 1 Software,  Inc.,"
shall  be  the  Certificate  of  Incorporation   and  Bylaws  of  the  Surviving
Corporation following the Merger.

     Section 1.06  Directors  and  Officers of the  Surviving  Corporation.  The
directors of the Surviving  Corporation at and  immediately  after the Effective
Time shall be the following:  Robert S. Bowen,  Thomas S. Buchsbaum,  Richard H.
Eisenberg,  Ronald F. Friedman,  James V. Manning,  James P. Marden,  Charles A.
Mele,  Charles J. Sindelar and Bruce G. Spohler.  Each of these directors of the
Surviving  Corporation  shall hold  office in  accordance  with the  Articles of
Incorporation  and Bylaws of the  Surviving  Corporation.  The  officers  of the
Surviving  Corporation at and immediately  after the Effective Time shall be the
following:

         Chief Executive                             Robert S. Bowen
         Chief Operating Officer                     Ronald F. Friedman
         Chief Financial Officer                     Mark D. Funston
         Executive Vice President                    Alan P. Slater
         Vice President                              Steven R. Bebee
         Vice President                              John Walsh
         Vice President                              Victor O. Forman
         Secretary and General Counsel               Edward Weiss

In each case,  the foregoing  shall serve in their  respective  positions  until
their respective successors are duly elected or appointed and qualified.

    Section 1.07 Representation on COMNET Board. COMNET shall take all necessary
actions  so that  from and  directly  after  the  Effective  Time,  the Board of
Directors  of the  Surviving  Corporation  shall  consist of a total of nine (9)
Directors as listed in Section 1.06 above,  and so that the following  positions
or appointments shall be assumed by the following persons: (i) James V. Manning,
Chairman  of the  Board of the  Surviving  Corporation,  (ii)  the  Compensation
Committee shall consist of James V. Manning,  James P. Marden,  Charles A. Mele,
and Thomas S. Buchsbaum, and (iii) the Audit Committee shall consist of James P.
Marden,  Charles J. Sindelar and Charles A. Mele. Pursuant to Article Seventh of
the Articles of Incorporation of COMNET, the Board of the Surviving  Corporation
is and shall be divided  into  three  classes.  Members  of each  class  serve a
three-year  term.  The terms are  staggered  so that at each  annual  meeting of
stockholders only one class of directors is up for reelection.

    Section 1.08  Conversion of Securities.  At the Effective Time, by virtue of
the  Merger  and  without  any  action  on the part of  COMNET or Group 1 or the
holders of the following securities:

    (a) Each share of Group 1 common stock,  par value $0.01 per share ("Share")
issued and outstanding  immediately  prior to the Effective Time (other than any
Shares to be  canceled  pursuant  to Section  1.07(b))  shall be  converted,  in
accordance  with Section  1.08,  into the right to receive  1.15 (the  "Exchange
Ratio") shares of COMNET common stock, par value $0.50 per share ("COMNET Common
Stock").  As of the Effective Time, all Shares shall cease to be outstanding and
shall  automatically  be canceled and retired and shall cease to exist, and each
certificate  previously  representing any such Shares shall thereafter represent
the right to receive a  certificate  representing  shares of COMNET Common Stock
into which such Shares are  convertible.  Certificates  previously  representing
Shares shall be exchanged for certificates  representing  whole shares of COMNET
Common  Stock  issued  in  consideration  therefor  upon the  surrender  of such
certificates  in  accordance  with  the  provisions  of  Section  1.08,  without
interest.  No fractional shares of COMNET Common Stock shall be issued,  and, in
lieu thereof, a cash payment shall be made pursuant to Section 1.08 hereof.

    (b) Each Share held in the treasury of Group 1 and each Share owned by Group
1 or any direct or indirect wholly-owned subsidiary of Group 1 immediately prior
to the Effective Time shall be canceled and extinguished  without any conversion
thereof and no payment shall be made with respect thereto.

    (c) Each share of COMNET Common Stock  outstanding  immediately prior to the
Effective Time shall remain  outstanding  and shall  represent a share of Common
Stock of the Surviving Corporation.

    Section  1.09  Exchange  of  Certificates.  (a)  Exchange  Agent.  As of the
Effective  Time,  COMNET shall  deposit,  or shall cause to be  deposited,  with
American Stock Transfer and Trust Co., as exchange agent (the "Exchange Agent"),
solely for the benefit of the holders of Shares, for exchange in accordance with
this Article I through the Exchange Agent,  certificates representing the shares
of COMNET  Common Stock (and cash for payment in lieu of  fractional  shares (if
any),  together with any dividends or distributions with respect thereto,  being
hereinafter  referred to as the "Exchange  Fund")  issuable  pursuant to Section
1.07 in exchange for outstanding Shares.

    (b)  Exchange  Procedures.  As  soon as  reasonably  practicable  after  the
Effective  Time,  the Exchange  Agent shall mail or  personally  deliver to each
holder  of  record  (or  his  or  her  attorney-in-fact)  of  a  certificate  or
certificates   which   immediately  prior  to  the  Effective  Time  represented
outstanding  Shares (the  "Certificates"),  whose Shares were converted into the
right to receive shares of COMNET Common Stock pursuant to Section 1.07 and cash
in lieu of fractional shares (if any), (i) a letter of transmittal  (which shall
specify  that  delivery  shall be  effected,  and risk of loss and  title to the
Certificates  shall pass, only upon delivery of the Certificates to the Exchange
Agent and shall be in such form and have such  other  provisions  as Group 1 and
COMNET may reasonably  specify) and (ii)  instructions  for use in effecting the
surrender of the Certificates in exchange for certificates  representing  shares
of COMNET Common Stock.  Upon surrender of a Certificate for cancellation to the
Exchange  Agent,  together with such letter of transmittal,  duly executed,  the
holder of such Certificate  shall be entitled to receive in exchange  therefor a
certificate  representing  that number of whole shares of COMNET  Common  Stock,
which  such  holder  has the right to  receive  in  respect  of the  Certificate
surrendered  pursuant to the  provisions  of this  Article I (after  taking into
account all Shares then held by such holder) and cash in lieu of any  fractional
Shares,  and the Certificate so surrendered shall forthwith be canceled.  In the
event of a  transfer  of  ownership  of Shares  which is not  registered  in the
transfer  records of COMNET,  a  certificate  representing  the proper number of
shares of COMNET Common Stock may be issued to a transferee  if the  Certificate
representing such Shares is presented to the Exchange Agent,  accompanied by all
documents required to evidence and effect such transfer and by evidence that any
applicable   stock  transfer  taxes  have  been  paid.   Until   surrendered  as
contemplated by this Section 1.08, each Certificate  shall be deemed at any time
after  the  Effective  Time to  represent  only the right to  receive  upon such
surrender a  certificate  representing  such  number of shares of COMNET  Common
Stock  and cash in lieu of any  fractional  shares  of  COMNET  Common  Stock as
contemplated by Section 1.08(e).

    (c) Distributions with Respect to Unexchanged  Shares. No dividends or other
distributions  declared or made after the Effective  Time with respect to COMNET
Common  Stock with a record date after the  Effective  Time shall be paid to the
holder of any  unsurrendered  Certificate  with respect to the shares of Group 1
Common Stock  represented  thereby,  and no cash  payment in lieu of  fractional
shares shall be paid to any such holder pursuant to Section  1.08(e),  until the
holder of such  Certificate  shall  surrender such  Certificate.  Subject to the
effect of applicable laws,  following  surrender of any such Certificate,  there
shall be paid to the holder of the  certificates  representing  whole  shares of
COMNET Common Stock issued in exchange therefor, without interest, (i) promptly,
the amount of any cash  payable  with  respect to a  fractional  share of COMNET
Common  Stock to which such holder is entitled  pursuant to Section  1.08(e) and
the amount of  dividends  or other  distributions  with a record  date after the
Effective  Time  theretofore  paid with  respect to such whole  shares of COMNET
Common Stock, and (ii) at the appropriate  payment date, the amount of dividends
or other distributions, with a record date after the Effective Time but prior to
surrender and a payment date occurring after surrender,  payable with respect to
such whole shares of COMNET Common Stock.

    (d) No  Further  Rights in the  Shares.  All shares of COMENT  Common  Stock
issued  upon  conversion  of the  Shares in  accordance  with the  terms  hereof
(including  any cash paid pursuant to Section  1.08(e))  shall be deemed to have
been issued in full  satisfaction  of all rights  pertaining to such Shares.  In
accordance  with Delaware Law, there shall be no appraisal  rights  available to
holders of COMNET  Common Stock or Group 1 Common Stock in  connection  with the
Merger.

    (e) No Fractional Shares. Notwithstanding anything to the contrary contained
herein, no certificates or scrip representing fractional shares of COMNET Common
Stock shall be issued upon the surrender for exchange of Certificates,  and such
fractional  share  interest will not entitle the owner thereof to vote or to any
rights of a shareholder  of COMNET.  Each holder of a fractional  share interest
shall be paid an amount in cash equal to the product obtained by multiplying (i)
such  fractional  share interest to which such holder (after taking into account
all  fractional  share  interests  then held by such holder) would  otherwise be
entitled  to receive  pursuant to Section  1.07 hereof by (ii) the closing  sale
price of a share of the COMNET Common Stock on the Nasdaq National Market on the
trading day immediately  preceding the date of the Effective Time as reported by
the Wall Street Journal.

    (f)  Termination  of Exchange  Fund.  Any portion of the Exchange Fund which
remains  undistributed  to the  stockholders  of Group 1 twelve months after the
Effective Time shall be delivered to the Surviving Corporation, upon demand, and
any stockholders of Group 1 who has not theretofore complied with this Article I
shall  thereafter  look only to the Surviving  Corporation  for payment of their
claim for COMNET Common Stock,  any cash in lieu of fractional  shares of COMNET
Common Stock and any  dividends or  distributions  with respect to COMNET Common
Stock.

    (g) No Liability.  Neither  COMNET nor Group 1 shall be liable to any holder
of Shares for any such  Shares  (or  dividends  or  distributions  with  respect
thereto)  or cash  delivered  to a public  official  pursuant  to any  abandoned
property, escheat or similar law.

    (h) Withholding Rights. COMNET shall be entitled to deduct and withhold from
the consideration  otherwise payable pursuant to this Agreement to any holder of
Shares such amounts as COMNET is required to deduct and withhold with respect to
the making of such payment under the Code,  or any provision of state,  local or
foreign  tax law. To the extent  that  amounts  are so withheld by COMNET,  such
withheld  amounts shall be treated for all purposes of this  Agreement as having
been paid to the holder of the Shares in  respect  of which such  deduction  and
withholding were made by COMNET.

    Section 1.10 Treatment of Stock  Options.  (a) At the Effective  Time,  each
option  granted  by  Group  1  to  purchase  Shares  which  is  outstanding  and
unexercised  immediately prior thereto shall be assumed by COMNET.  Such options
shall  cease to  represent  a right to  acquire  Shares  and shall be  converted
automatically  into an option to purchase  shares of COMNET  Common  Stock in an
amount and at an exercise price determined as provided below:

    (i) the  number of shares of COMNET  Common  Stock to be  subject to the new
option  shall be equal to the  product of the number of shares of Group 1 Common
Stock subject to the original option and the Exchange  Ratio;  provided that any
fractional  shares of COMNET  Common Stock  resulting  from such  multiplication
shall be rounded down to the nearest whole share; and

    (ii) the  exercise  price  per share of COMNET  Common  Stock  under the new
option  shall be equal to the  exercise  price per share of Group 1 Common Stock
under the original  option  divided by the Exchange  Ratio,  provided  that such
exercise price shall be rounded up to the nearest whole cent.

    (b) the  adjustment  provided  herein with respect to any options  which are
"incentive  stock  options" (as defined in Section 422 of the Code) shall be and
is intended to be effected in a manner which is consistent  with Section  424(a)
of the Code. The duration and other terms of the new option shall be the same as
the original  option except that all references to Group 1 shall be deemed to be
references to COMNET.

    (c) At the  Effective  Time, by virtue of the Merger and without the need of
any  further  corporate  action,  COMNET  shall  assume  the  1987  Non-Employee
Directors' Stock Option Plan and the 1995  Non-Employee  Director's Stock Option
Plan, and the 1995 Incentive Stock Option,  Non-Qualified Stock Option and Stock
Appreciation Rights Plan (collectively,  the "Plans"),  with the result that all
obligations  of Group 1 under these  Plans,  including  with  respect to Group 1
stock  options  outstanding  at the  Effective  Time under  each plan,  shall be
obligations of the Surviving Corporation following the Effective Time.

    (d) As soon as practical after the Effective Time, the Surviving Corporation
shall  prepare and file with the SEC a  registration  statement  on Form S-8 (or
another appropriate form) registering the shares of COMNET Common Stock issuable
from time to time under the Plans  equal to the number of shares  subject to the
adjusted options.  Such registration  statement shall be kept effective (and the
current  status of the  prospectus  or  prospectuses  required  thereby shall be
maintained) at least for so long as any adjusted options may remain outstanding.

    (e) As soon as practicable after the Effective Time, COMNET shall deliver to
the  holders of options to purchase  Group 1 Common  Stock  appropriate  notices
setting  forth such  holders'  rights  pursuant to the Plans and the  agreements
pursuant to which such options were issued,  and the  agreements  evidencing the
grant of such options  shall be assumed by the Surviving  Corporation  and shall
continue in effect on the same terms and conditions  (subject to the adjustments
required by this Section 1.09 after giving effect to the Merger).

    Section 1.11 Stock Transfer Books. At the Effective Time, the stock transfer
books of Group 1 shall be closed and there shall be no further  registration  of
transfers  of Shares  thereafter  on the  records of Group 1. From and after the
Effective  Time,  the holders of  certificates  evidencing  ownership  of Shares
outstanding  immediately  prior to the  Effective  Time shall  cease to have any
rights with  respect to such Shares  except as otherwise  provided  herein or by
law. On or after the Effective Time, any Certificates  presented to the Exchange
Agent or COMNET for any reason shall be converted  into shares of COMNET  Common
Stock in accordance with this Article I.

     Section 1.12  Anti-Dilution  Adjustment.  If, subsequent to the date hereof
and prior to the  Effective  Time,  COMNET shall pay a stock  dividend or make a
distribution  on COMNET  Common Stock or other capital stock of COMNET in shares
of  COMNET  Common  Stock  or other  capital  stock of  COMNET  or any  security
convertible  into COMNET  Common Stock or other capital stock of COMNET or shall
combine,  subdivide,  reclassify or  recapitalize  its stock,  then in each such
case, from and after the record date for determining the  stockholders  entitled
to receive such dividend or distribution or the securities from such combination
or subdivision,  an appropriate  adjustment shall be made to the Exchange Ratio,
for  purposes of  determining  the number of shares of COMNET  Common Stock into
which Group 1's Common  Stock  shall be  converted.  For  purposes  hereof,  the
payment of a dividend in COMNET  Common  Stock,  or the  distribution  on COMNET
Common Stock in securities convertible into COMNET Common Stock, shall be deemed
to have  effected  an  increase  in the number of  outstanding  shares of COMNET
Common  Stock  equal to the number of shares of COMNET  Common  Stock into which
such securities shall be initially convertible without the payment by the holder
thereof of any  consideration  other than the surrender for cancellation of such
convertible securities. Group 1 agrees not to issue any shares of Group 1 Common
Stock or right or option to acquire  shares of Group 1 Common Stock  without the
prior consent of COMNET, which consent will not be unreasonably denied.

                                   ARTICLE II

                    Representations and Warranties of Group 1

     Except  as set forth in the  disclosure  schedule  delivered  by Group 1 to
COMNET  prior to the  execution  of this  Agreement,  which  shall  identify  by
specific Section  references  exceptions to the representation and warranties of
Group 1 contained in this Article II, Group 1 hereby  represents and warrants to
COMNET:

     Section 2.01 Organization and Qualification of Group 1;  Subsidiaries.  (a)
Group 1 is a corporation  duly organized,  validly existing and in good standing
under the laws of the State of Delaware.  The  following  constitute  all of the
subsidiaries of Group 1: Gruco, Inc., a Delaware  corporation,  Group 1 Software
Europe,  Ltd., a United  Kingdom  corporation,  Group 1 Latin  America,  Inc., a
Puerto Rican  corporation,  Group 1 Software  FSC,  Inc., a Bahamas  corporation
(collectively,  the "Group 1  Subsidiaries").  Each Group 1 Subsidiary is wholly
owned,  directly or  indirectly,  by Group 1. All of the  outstanding  shares of
capital stock of the Group 1  Subsidiaries  are validly  issued,  fully paid and
nonassessable  and are  free and  clear of any  lien,  claim,  charge,  options,
encumbrances  agreement,  mortgage,  pledge,  security  interest or  restriction
(each, a "Lien") with respect thereto.  Each Group 1 Subsidiary is a corporation
duly incorporated or organized,  validly existing and in good standing under the
laws of its  jurisdiction of  incorporation  or organization  indicated above in
this Section 2.10.

     (b) Group 1 and each Group 1 Subsidiary has the requisite  corporate  power
and authority and is in possession of all  franchises,  grants,  authorizations,
licenses,  permits,  easements,  consents,  certificates,  approvals  and orders
("Group 1 Permits")  necessary to own,  lease and operate its  properties and to
carry on its business as is now being conducted,  except where the failure to be
so organized, existing and in good standing or to have such power, authority and
Group 1 Permits  would not,  either  individually  or in the  aggregate,  have a
Material  Adverse Effect (as defined  below).  Group 1 has received no notice of
proceedings  relating to the  revocation or  modification  of any Group 1 Permit
except  for  any  such  revocation  or  modification  which  would  not,  either
individually or in the aggregate,  have a Material  Adverse Effect.  Group 1 and
each Group 1 Subsidiary is duly  qualified or licensed as a foreign  corporation
to do  business,  and is in  good  standing,  in  each  jurisdiction  where  the
character of its properties owned, leased or operated by it or the nature of its
activities  makes such  qualification  or licensing  necessary,  except for such
failures to be so duly  qualified  or licensed and in good  standing  that would
not, either individually or in the aggregate, have a Material Adverse Effect.

     (c) The term "Material Adverse Effect" as used in this Agreement shall mean
with respect to each party any change or effect that is or is reasonably  likely
to be materially  adverse to a party's and, with respect to Group 1, the Group 1
Subsidiaries' and with respect to COMNET, the COMNET Subsidiaries',  (taken as a
whole)  business,  operations,  properties  (including  intangible  properties),
condition (financial or otherwise),  assets or liabilities (including contingent
liabilities),  in the aggregate,  or the ability of such party to consummate the
transactions  contemplated  by this  Agreement,  except that a Material  Adverse
Effect shall not be deemed to have  occurred as a result of any change or effect
resulting  from  a  change  in  law,  rule,  regulation  or  generally  accepted
accounting   principle  in  each  case  applied  to  the  party   providing  the
representation,  warranty,  covenant or agreement,  along with its Subsidiaries,
taken as a whole.

     Section 2.02 Articles of Incorporation  and Bylaws.  Group 1 has heretofore
furnished  or made  available  to  COMNET a  complete  and  correct  copy of the
Articles of Incorporation and the Bylaws, as amended or restated, of Group 1 and
the Group 1 Subsidiaries and such Articles of Incorporation  and Bylaws of Group
1 and the Group 1 Subsidiaries  are in full force and effect and neither Group 1
nor any Group 1  Subsidiary  is in  violation  of any of the  provisions  of its
respective Articles of Incorporation or Bylaws.

     Section 2.03 Capitalization.  (a) Capitalization of Group 1. The authorized
capital  stock of Group 1 consists of (i)  10,000,000  Shares,  of which,  as of
March 31, 1998,  4,293,697 Shares were issued and outstanding,  all of which are
validly issued,  fully paid and non-assessable and all of which have been issued
in compliance  with  applicable  securities  laws, and (ii) 1,000,000  shares of
preferred stock of which no shares have ever been issued.  Since March 31, 1998,
no  Shares  have been  issued.  As of March 31,  1998,  Group 1 had  outstanding
171,075  options under the Plans (as defined in Section  1.09),  93,215 of which
were exercisable.  No options have been granted since March 31, 1998 to the date
of this Agreement under any of the Plans.  As of the date of this Agreement,  no
Shares are held as treasury  stock by Group 1. Other than pursuant to the Plans,
there  are no  options,  warrants  or other  rights,  rights  of first  refusal,
agreements, arrangements, or commitments of any character relating to the issued
or unissued  capital stock of Group 1 or obligating Group 1 to issue or sell any
shares of capital  stock of, or other equity  interests in Group 1. There are no
obligations,  contingent  or  otherwise,  of Group 1 to  repurchase,  redeem  or
otherwise  acquire any Shares or to provide funds to or make any  investment (in
the form of a loan,  capital  contribution  or  otherwise)  in any other  entity
(including any Group 1 Subsidiary).

     (b)  Capital  Stock of the  Group 1  Subsidiaries.  There  are no  options,
warrants or other rights, rights of first refusal,  agreements,  arrangements or
commitments of any character relating to the issued or unissued capital stock of
the Group 1  Subsidiaries  or obligating any Group 1 Subsidiary to issue or sell
any  shares of  capital  stock of, or other  equity  interests  in,  any Group 1
Subsidiary.  There are no obligations,  contingent or otherwise,  of any Group 1
Subsidiary to repurchase,  redeem or otherwise acquire any shares of the capital
stock of any Group 1 Subsidiary  or to provide  funds to or make any  investment
(in the form of a loan, capital contribution or otherwise) in any other entity.

     Section 2.04 Authority.  (a) Group 1 has the requisite  corporate power and
authority  to execute and deliver  this  Agreement,  to perform its  obligations
hereunder and to consummate the transactions  contemplated hereby. The execution
and delivery of this Agreement by Group 1 and the consummation by Group 1 of the
transactions  contemplated  hereby have been duly and validly  authorized by all
necessary  corporate  action  on the  part  of  Group 1 and no  other  corporate
proceedings  on the part of Group 1 are necessary to authorize this Agreement or
to consummate the transactions  contemplated hereby (other than, with respect to
the Merger,  the  approval of the plan of Merger by the holders of a majority of
the then  outstanding  Shares  in  accordance  with  Delaware  Law and Group 1's
Articles  of  Incorporation  and  Bylaws,  and the  filing  and  recordation  of
appropriate  merger documents required by Delaware Law). This Agreement has been
duly  and  validly  executed  and  delivered  by Group 1 and,  assuming  the due
authorization,  execution and delivery by COMNET,  constitutes the legal,  valid
and binding  obligation  of Group 1 enforceable  in  accordance  with its terms,
except as enforcement may be limited by bankruptcy,  insolvency and similar laws
affecting  creditors' rights and remedies generally and by general principles of
equity.

     Section 2.05 No Conflict;  Required Filings and Consents. (a) The execution
and delivery of this Agreement by Group 1 does not, and the  performance of this
Agreement  by Group 1 shall not,  (i)  conflict  with or violate the Articles of
Incorporation or Bylaws of Group 1 or any Group 1 Subsidiary, (ii) conflict with
or violate  any  domestic  (federal,  state or local) or foreign  law,  statute,
ordinance,  rule,  regulation,  order,  judgment decision,  writ,  injunction or
decree  (collectively,  "Laws") applicable to Group 1 or any Group 1 Subsidiary,
or by which its respective  properties are bound or affected, or (iii) result in
any breach of or  constitute a default (or an event that with notice or lapse of
time or both  would  become a  default)  under,  or give to others any rights of
termination,  amendment,  acceleration  or  cancellation  of,  or  result in the
creation of a Lien on any of the  properties or assets of Group 1 or any Group 1
Subsidiary pursuant to any note, bond, mortgage, indenture, contract, agreement,
lease,  license,  permit,  franchise or other  instrument or obligation to which
Group 1 or any Group 1 Subsidiary  is a party or by which Group 1 or any Group 1
Subsidiary or its respective  properties  are bound or affected,  except (in the
case of clauses (ii) and (iii) of this Section  2.05(a)) for any such conflicts,
violations,  breaches,  defaults  or other  occurrences  that would not,  either
individually or in the aggregate,  have a Material Adverse Effect on Group 1 and
the Group 1 Subsidiaries, taken as a whole.

     (b) The execution  and delivery of this  Agreement by Group 1 does not, and
the  performance  of this  Agreement by Group 1 shall not,  require any consent,
approval,  authorization  or permit of, or filing with or  notification  to, any
governmental or regulatory authority, domestic or foreign,  ("Approvals") except
(i) for the applicable requirements,  if any, of (A) the Securities Act of 1933,
as amended (the "Securities  Act"), (B) the Securities  Exchange Act of 1934, as
amended (the "Exchange  Act"),  (C) state securities or blue sky laws ("Blue Sky
Laws"),  (D) the filing and recordation of appropriate merger or other documents
as required by Delaware Law, (E) the Nasdaq Stock Market and (F) such additional
Approvals the failure of which to obtain would not prevent or delay consummation
of the Merger,  or otherwise  prevent Group 1 from  performing  its  obligations
under this Agreement,  and would not,  either  individually or in the aggregate,
have a Material Adverse Effect on Group 1 and the Group 1 Subsidiaries, taken as
a whole.

     Section 2.06  Compliance.  Neither Group 1 nor any Group 1 Subsidiary is in
conflict  with, or in default or violation of, (i) any Law applicable to Group 1
or the Group 1 Subsidiaries or by which any of their  respective  properties are
bound or  affected,  or (ii) any  note,  bond,  mortgage,  indenture,  contract,
agreement,  lease, license,  permit, franchise or other instrument or obligation
to which Group 1 or any Group 1 Subsidiary is a party or by which Group 1 or any
Group 1 Subsidiary or any of their respective  properties are bound or affected,
except for any such  conflicts,  defaults or violations  which would not, either
individually or in the aggregate,  have a Material Adverse Effect on Group 1 and
the Group 1 Subsidiaries, taken as a whole.

     Section 2.07 Securities Reports;  Financial Statements. (a) Group 1 and the
Group 1  Subsidiaries  have  filed all  material  forms,  reports,  registration
statements and documents,  together with any amendments required to be made with
respect  thereto  that were  required  to be filed up  through  the date of this
Agreement with (i) the Securities and Exchange  Commission  (the "SEC") and (ii)
any  other  federal,  state or  foreign  governmental  or  regulatory  agency or
authority (collectively,  "Regulatory Agencies") and (iii) all other reports and
statements  (the filings made with the entities  listed in subclause  (ii) being
referred to as "Other Reports")  required to be filed by Group 1 and any Group 1
Subsidiary  since  January 1, 1995,  and paid all fees and  assessments  due and
payable in connection therewith, except, in the case of the Other Reports, where
failure to file such form,  report,  registration,  statement or document or pay
such fees and assessments  would not,  either  individually or in the aggregate,
have a Material Adverse Effect on Group 1 and the Group 1 Subsidiaries, taken as
a whole (all such reports and statements,  are  collectively  referred to as the
"Group 1 Reports").  The Group 1 Reports,  including  all Group 1 Reports  filed
after the date of this  Agreement,  (i) were, or will be, prepared in accordance
with the  requirements  of applicable Law and (ii) did not at the time they were
filed, or will not at the time they are filed,  contain any untrue  statement of
material fact or omit to state a material fact required to be stated  therein or
necessary in order to make the statements therein, in the light of circumstances
under which they were made, not misleading.

     (b) Each of the consolidated financial statements (including, in each case,
any related notes  thereto)  contained in any filings with the SEC since January
1, 1995 (the "Group 1 SEC  Reports"),  including  any Group 1 SEC Reports  filed
since the date of this  Agreement  and prior to or on the Effective  Time,  have
been, or will be,  prepared in accordance  with  generally  accepted  accounting
principles applied on a consistent basis throughout the periods involved (except
as may be indicated  in the notes  thereto)  and each fairly  presents,  or will
fairly present, in all material respects, the consolidated financial position of
Group 1 and the Group 1 Subsidiaries as of the respective  dates thereof and the
consolidated results of its operations and changes in financial position for the
periods indicated,  except that any unaudited interim financial  statements were
or are subject to normal and recurring  year-end  adjustments  which were not or
are not expected to be material in amount.

     (c) Except as and to the extent set forth on the consolidated balance sheet
of Group 1 and the Group 1  Subsidiaries  as of March 31,  1998,  including  all
notes  thereto (the "Group 1 Balance  Sheet"),  neither  Group 1 nor any Group 1
Subsidiary has any  liabilities or obligations of any nature  (whether  accrued,
absolute,  contingent or otherwise),  except for (i)  liabilities or obligations
incurred  in the  ordinary  course of  business  since  March 31,  1998 and (ii)
liabilities  or  obligations  that  would  not,  either  individually  or in the
aggregate, have a Material Adverse Effect.

     Section 2.08 Absence of Certain Changes or Events.  (a) Except as disclosed
in the Group 1 SEC  Reports  filed  prior to the date of this  Agreement,  since
December 31, 1997, (i) Group 1 and the Group 1 Subsidiaries have conducted their
businesses  only in the  ordinary  course and in a manner  consistent  with past
practice and (ii) there has been no event which has had, or is reasonably likely
to result in,  either  individually  or in the  aggregate,  a  Material  Adverse
Effect.

     Section 2.09 Absence of Litigation and Agreements.  (a) Except as disclosed
in the Group 1 SEC  Reports  filed  prior to the date of this  Agreement  or set
forth in Section 2.09 of the Group 1 Disclosure  Schedule,  (i) neither  Group 1
nor any Group 1  Subsidiary  is subject to any  continuing  order of, or written
agreement or memorandum of understanding  with, or continuing  investigation by,
any federal or state  savings  and loan or bank  regulatory  authority  or other
governmental  entity or  regulatory  authority,  or any judgment,  order,  writ,
injunction,  decree or award of any governmental entity or regulatory  authority
or arbitrator,  including, without limitation,  cease-and-desist or other orders
which,  either  individually  or in the  aggregate,  would have or reasonably be
expected to have a Material Adverse Effect;  (ii) there is no claim of any kind,
action, suit, litigation, proceeding, arbitration, investigation, or controversy
affecting  Group 1 or the Group 1  Subsidiaries  pending or, to the knowledge of
Group  1,  threatened   which  can  reasonably  be  expected  to  have,   either
individually or in the aggregate, a Material Adverse Effect.

     Section 2.10 Material Contracts. Except as set forth in Section 2.10 of the
Group 1 Disclosure Schedule,  as of the date of this Agreement,  neither Group 1
nor any  Group 1  Subsidiary  is a party  to or  bound  by (a) any  contract  or
commitment for capital  expenditures  in excess of $200,000 for any one project,
(b)  contracts or  commitments  for the purchase of materials or supplies or for
the  performance of services over a period of more than 60 days from the date of
this  Agreement  and calling for aggregate  future  payments of $500,000 or more
during the term of such  contract or  commitment,  (c) any  contract  which is a
"material  contract"  (as such term is defined in Item  601(b)(10) of Regulation
S-K of the SEC) that has not been  filed or  incorporated  by  reference  in the
Group 1 SEC Reports,  (d) any contract which would prohibit or materially  delay
the  consummation  of the Merger or any other  transaction  contemplated by this
Agreement. Each contract,  arrangement,  commitment or understanding of the type
described in this Section 2.10,  whether or not set forth in Section 2.10 of the
Group 1  Disclosure  Schedule,  is referred  to herein as a "Group 1  Contract".
Neither Group 1 nor any Group 1 Subsidiary  knows of, or has received notice of,
any  violation  of any Group 1  Contract  by any of the other  parties  thereto,
except for violations which, individually or in the aggregate,  would not result
in a Material Adverse Effect.

     Section 2.11  Environmental  Matters.  To the knowledge of Group 1, neither
Group 1, any Group 1 Subsidiary, nor any properties owned or operated by Group 1
or any Group 1  Subsidiary  has been or is in  violation  of or liable under any
Environmental Law, except for such violations or liabilities that,  individually
or in the aggregate,  will have a Material Adverse Effect. There are no actions,
suits or proceedings,  or demands, claims, notices or investigations  (including
without limitation  notices,  demand letters or requests of information from any
environmental  agency)  instituted  or pending,  or to the  knowledge  of Group,
threatened,  relating to the liability of Group 1 or any Group 1 Subsidiary with
respect to any properties owned or operated by Group 1 or any Group 1 Subsidiary
under any Environmental Law, except for liabilities or violations that would not
have, individually or in the aggregate, a Material Adverse Effect.

         "Environmental  Law"  means any  applicable  federal,  state,  local or
foreign law,  statute,  ordinance,  rule,  regulation,  code,  license,  permit,
authorization,   approval,   consent  order,  judgment,  decree,  injunction  or
agreement  with  any  regulatory  authority  relating  to  (i)  the  protection,
preservation or restoration of the environment  (including,  without limitation,
air, water vapor,  surface water,  groundwater,  drinking water supply,  surface
soil,  subsurface  soil,  plant and animal life or any other natural  resource),
and/or (ii) the use, storage, recycling, treatment, generation,  transportation,
processing, handling, labeling, production, release or disposal of any substance
presently  listed,  defined,  designated  or  classified  as  hazardous,  toxic,
radioactive  or  dangerous,  or  otherwise  regulated,  whether  by  type  or by
quantity, including any material containing any such substance as a component.

     Section 2.12 Brokers. No broker, finder or investment banker is entitled to
any  brokerage,  finder's  or other fee or  commission  in  connection  with the
transactions  contemplated by this Agreement based upon  arrangements made by or
on behalf of Group 1 or any Group 1 Subsidiary.

     Section 2.13 Tax Matters. Neither Group 1 nor, to the knowledge of Group 1,
any of its affiliates has through the date of this Agreement  taken or agreed to
take any action that would  prevent  COMNET  from  accounting  for the  business
combination  to be  effected  by the Merger as a tax free  reorganization  under
Section 368(a) of the Code.

     Section  2.14 Vote  Required.  The  affirmative  vote of a majority  of the
holders of the  outstanding  Shares  entitled  to vote on the Merger is the only
Group 1 shareholder vote required with respect to the Merger.

     Section  2.15  Fairness  Opinion.  Group 1 has  received  an  opinion  from
Valuation Research,  Inc. to the effect that, in its opinion,  the consideration
to be paid to  stockholders  of  Group 1 under  this  Agreement  is fair to such
stockholders from a financial point of view ("Fairness Opinion"),  and Valuation
has  consented  to the  inclusion  of the  Fairness  Opinion in the Form S-4 (as
defined below).

     Section 2.16 Benefit  Plans.  Group 1 is not a sponsor of or participant in
any benefit  plan as  described  in Section  3.13 other than the COMNET  Benefit
Plans.

                                   ARTICLE III

                    Representations and Warranties of COMNET

     Except as set forth in the disclosure schedule delivered by COMNET to Group
1 prior to the execution of this Agreement  which shall  identify  exceptions by
specific  Section  references  COMNET hereby  represents and warrants to Group 1
that:

     Section 3.01  Organization and Qualification of COMNET;  Subsidiaries.  (a)
COMNET,  is a corporation duly organized,  validly existing and in good standing
under the laws of the State of Delaware.

     (b)  The  following  is a true  and  complete  list  of  each  of  COMNET's
subsidiaries,  excluding however Group 1 and the Group 1 Subsidiaries:  Seanent,
Inc. a Delaware  corporation;  Ford Laboratories  Inc., a Delaware  corporation;
Promco,  Inc., a Delaware  corporation;  ADMS, Inc., a Delaware corporation (the
"COMNET  Subsidiaries").  Each COMNET  Subsidiary is wholly  owned,  directly or
indirectly,  by COMNET.  All  outstanding  shares of capital stock of the COMNET
Subsidiaries are validly issued,  fully paid and  nonassessable and are free and
clear of any Lien, with respect thereto. Each COMNET Subsidiary is a corporation
duly  incorporated or organized  validly existing and in good standing under the
laws of its jurisdiction of incorporation or organization.

     (c) COMNET and each COMNET Subsidiary has the requisite corporate power and
authority  and is in  possession  of  all  franchises,  grants,  authorizations,
licenses, permits, easements, consents, certificates,  approvals and orders (the
"COMNET  Permits")  necessary to own,  lease and operate its  properties  and to
carry on its business as it is now being conducted,  except where the failure to
be so organized,  existing and in good standing or to have such power, authority
and COMNET Permits would not, either  individually  or in the aggregate,  have a
Material  Adverse  Effect.  COMNET has not  received  any notice of  proceedings
relating to the revocation or modification of any such COMNET Permits except for
any such revocation or modification  which would not, either  individually or in
the aggregate, have a Material Adverse Effect. COMNET and each COMNET Subsidiary
is duly qualified or licensed as a foreign corporation to do business, and is in
good standing, in each jurisdiction where the character of its properties owned,
leased  or  operated  by  it  or  the  nature  of  its  activities   makes  such
qualification  or licensing  necessary,  except for such  failures to be so duly
qualified or licensed and in good standing that would not,  either  individually
or in the aggregate, have a Material Adverse Effect.

         Section  3.02  Articles  of  Incorporation   and  Bylaws.   COMNET  has
heretofore furnished or made available to Group 1 a complete and correct copy of
the respective Articles of Incorporation and the Bylaws, as amended or restated,
of COMNET and the COMNET Subsidiaries.

     Section 3.03  Capitalization.  (a) Capitalization of COMNET. The authorized
capital stock of COMNET consists of (i) 10,000,000 shares of COMNET Common Stock
of which as of March 31, 1998, 3,271,723 shares were issued and outstanding, all
of such shares are,  and the shares of COMNET  Common  Stock to be issued in the
Merger,  when so issued will be, validly issued,  fully paid and non-assessable,
and all of which  have  been or will be  issued in  compliance  with  applicable
federal and state  securities  laws,  and (ii) 200,000  shares of 6% convertible
preferred stock, par value $.25 per share ("Preferred  Stock"), of which 147,500
shares are issued and  outstanding.  Since March 31,  1998,  no shares of COMNET
Common  Stock have been issued,  except for 7,317 shares of COMNET  Common Stock
issued upon exercise of options outstanding as of March 31, 1998 under the Stock
Option Plans  identified in Schedule 3.03 hereto (the "COMNET Stock Plans").  As
of March 31, 1998,  COMNET had reserved 1, 617,792 shares of COMNET Common Stock
for issuance  under the COMNET Stock Plans,  pursuant to which options  covering
1,159,816 shares of COMNET Common Stock were outstanding.  Since March 31, 1998,
options with respect to 30,000  shares of COMNET  Common Stock have been granted
under the COMNET Stock Plans. As of the date of this  Agreement,  316,267 shares
of COMNET Common Stock are held as treasury stock by COMNET. Other than pursuant
to the  COMNET  Stock  Plans and the  Preferred  Stock,  there  are no  options,
warrants or other rights, rights of first refusal, agreements,  arrangements, or
commitments of any character relating to the issued or unissued capital stock of
COMNET or obligating  COMNET to issue or sell any shares of capital stock of, or
other  equity  interests  in COMNET.  There are no  obligations,  contingent  or
otherwise,  of COMNET to repurchase,  redeem or otherwise  acquire any shares of
COMNET Common Stock or to provide funds to or make any  investment  (in the form
of a loan, capital contribution or otherwise) in any other entity (including any
COMNET Subsidiary).

     (b)  Capital  Stock  of the  COMNET  Subsidiaries.  There  are no  options,
warrants or other rights, rights of first refusal,  agreements,  arrangements or
commitments of any character relating to the issued or unissued capital stock of
the COMNET Subsidiaries or obligating any COMNET Subsidiary to issue or sell any
shares of capital stock of, or other equity interests in any COMNET  Subsidiary.
There are no obligations,  contingent or otherwise,  of any COMNET Subsidiary to
repurchase,  redeem or otherwise  acquire any shares of the capital stock of any
COMNET  Subsidiary or to provide funds to or make any investment (in the form of
a loan, capital contribution or otherwise) in any other entity.

     Section  3.04  Authority.  COMNET  has the  requisite  corporate  power and
authority to execute and deliver this Agreement and to perform their obligations
hereunder and to consummate the transactions  contemplated hereby. The execution
and delivery of this Agreement by COMNET and the  consummation  by COMNET of the
transactions  contemplated  hereby have been duly and validly  authorized by all
necessary  corporate  action  on the  part  of  COMNET  and no  other  corporate
proceedings  on the part of COMNET are necessary to authorize  this Agreement or
to consummate the transactions  contemplated hereby (other than, with respect to
the Merger, the requisite approval by the stockholders of COMNET with respect to
the Merger).  This Agreement has been duly and validly executed and delivered by
COMNET, and, assuming the due authorization,  execution and delivery by Group 1,
constitutes  the legal,  valid and binding  obligation of COMNET  enforceable in
accordance  with its terms,  except as enforcement may be limited by bankruptcy,
insolvency and similar laws affecting  creditors' rights and remedies  generally
and by general principles of equity.

     Section 3.05 No Conflict;  Required Filings and Consents. (a) Except as set
forth in Section  3.05 of the COMNET  Disclosure  Schedule,  the  execution  and
delivery of this  Agreement  by COMNET  does not,  and the  performance  of this
Agreement  by COMNET  shall not,  (i)  conflict  with or violate the Articles of
Incorporation or Bylaws of COMNET or any COMNET  Subsidiary,  (ii) conflict with
or violate any Laws applicable to COMNET or any COMNET  Subsidiary,  or by which
its respective  properties are bound or affected,  or (iii) result in any breach
of or  constitute  a default  (or an event that with  notice or lapse of time or
both would become a default) under, or give to others any rights of termination,
amendment,  acceleration or cancellation of, or result in the creation of a Lien
on any of the properties or assets of COMNET or any COMNET  Subsidiary  pursuant
to any note, bond, mortgage,  indenture,  contract,  agreement,  lease, license,
permit,  franchise  or other  instrument  or  obligation  to which COMNET or any
COMNET  Subsidiary is a party or by which COMNET or any COMNET Subsidiary or its
respective properties are bound or affected, except (in the case of clauses (ii)
and (iii) of this Section 3.05(a)) for any such conflicts, violations, breaches,
defaults or other  occurrences  that would not,  either  individually  or in the
aggregate, have a Material Adverse Effect.

     (b) The  execution  and delivery of this  Agreement by COMNET does not, and
the  performance of this  Agreement by COMNET and COMNET shall not,  require any
Approval, except (i) for applicable requirements,  if any, of (A) the Securities
Act, (B) the Exchange Act, (C) Blue Sky Laws, (I) the filing and  recordation of
appropriate  merger or other  documents as required by Delaware,  (K) the Nasdaq
Stock Market, and (ii) such additional  Approvals the failure of which to obtain
would not prevent or delay  consummation  of the Merger,  or  otherwise  prevent
COMNET from performing their  obligations  under this Agreement,  and would not,
either individually or in the aggregate, have a Material Adverse Effect.

     Section 3.06  Compliance.  Neither  COMNET nor any COMNET  Subsidiary is in
conflict  with, or in default or violation of, (i) any Law  applicable to COMNET
or the COMNET  Subsidiaries or by which any of their  respective  properties are
bound or  affected,  or (ii) any  note,  bond,  mortgage,  indenture,  contract,
agreement,  lease, license,  permit, franchise or other instrument or obligation
to which  COMNET or any COMNET  Subsidiary  is a party or by which COMNET or any
COMNET  Subsidiary or any of their respective  properties are bound or affected,
except for any such  conflicts,  defaults or violations  which would not, either
individually or in the aggregate, have a Material Adverse Effect.

     Section 3.07 Securities Reports;  Financial Statements.  (a) COMNET and the
COMNET  Subsidiaries  have filed all  material  forms,  reports,  registrations,
statements and documents,  together with any amendments required to be made with
respect  thereto that were  required to be filed since  January 1, 1995 with the
Regulatory Agencies and all Other Reports required to be filed by COMNET and any
COMNET  Subsidiary  since January 1, 1995, and paid all fees and assessments due
and payable in connection  therewith,  except, in the case of the Other Reports,
where failure to file such form, report, registration,  statement or document or
pay  such  fees  and  assessments  would  not,  either  individually  or in  the
aggregate,  have a Material  Adverse Effect (all such reports and statements are
collectively  referred  to as  the  "  COMNET  Reports").  The  COMNET  Reports,
including all COMNET Reports filed after the date of this  Agreement,  (i) were,
or will be, prepared in accordance  with the  requirements of applicable Law and
(ii) did not at the  time  they  were  filed,  or will not at the time  they are
filed, contain any untrue statement of material fact or omit to state a material
fact required to be stated  therein or necessary in order to make the statements
therein,  in the light of the  circumstances  under  which they were  made,  not
misleading.

     (b) Each of the consolidated financial statements (including, in each case,
any related notes  thereto)  contained in any filings with the SEC since January
1, 1995 (the " COMNET SEC  Reports"),  including  any COMNET SEC  Reports  filed
since the date COMNET of this  Agreement and prior to or on the Effective  Time,
have been, or will be, prepared in accordance with generally accepted accounting
principles applied on a consistent basis throughout the periods involved (except
as may be indicated  in the notes  thereto)  and each fairly  presents,  or will
fairly present, in all material respects, the consolidated financial position of
COMNET as of the respective  dates thereof and the  consolidated  results of its
operations and changes in financial position for the periods  indicated,  except
that any unaudited  interim  financial  statements were or are subject to normal
and  recurring  year-end  adjustments  which were not or are not  expected to be
material in amount.

     (c) Except as and to the extent set forth on the consolidated balance sheet
of COMNET and the COMNET  Subsidiaries  as of December 31, 1997,  including  all
notes  thereto  (the " COMNET  Balance  Sheet"),  neither  COMNET nor any COMNET
Subsidiary has any  liabilities or obligations of any nature  (whether  accrued,
absolute,  contingent or otherwise),  except for (i)  liabilities or obligations
incurred in the  ordinary  course of business  since  December 31, 1997 and (ii)
liabilities  or  obligations  that  would  not,  either  individually  or in the
aggregate, have a Material Adverse Effect.

     Section 3.08 Absence of Certain Changes or Events.  (a) Except as disclosed
in the COMNET  SEC  Reports  filed  prior to the date of this  Agreement,  since
December 31, 1997, (i) COMNET and the COMNET  Subsidiaries  have conducted their
businesses  only in the  ordinary  course and in a manner  consistent  with past
practice and (ii) there has been no event which has had, or is reasonably likely
to result in,  either  individually  or in the  aggregate,  a  Material  Adverse
Effect.

     Section 3.09 Absence of Litigation and Agreements.  (a) Except as disclosed
in the COMNET SEC Reports filed prior to the date of this Agreement or set forth
in Section 3.09 of the COMNET  Disclosure  Schedule,  (i) neither COMNET nor any
COMNET Subsidiary is subject to any continuing order of, or written agreement or
memorandum of understanding with, or continuing investigation by, any federal or
state authority or other  governmental  entity or regulatory  authority,  or any
judgment, order, writ, injunction, decree or award of any governmental entity or
regulatory  authority  or  arbitrator,  including,  without  limitation,  cease-
and-desist or other orders which, either individually or in the aggregate, would
have or reasonably be expected to have a Material Adverse Effect;  (ii) there is
no  claim  of any  kind,  action,  suit,  litigation,  proceeding,  arbitration,
investigation,  or controversy  affecting COMNET or the COMNET Subsidiaries,  to
the  knowledge  of  COMNET,  threatened,  except  (A) as of  the  date  of  this
Agreement, for matters which individually seek damages not in excess of $500,000
and (B) as of the Closing,  for matters  which cannot  reasonably be expected to
have, either individually or in the aggregate, a Material Adverse Effect.

     Section 3.10 Employee  Benefit  Plans.  (a) Except as disclosed in Schedule
3.10,  hereto,  since  December  31,  1997,  there has not been any  adoption or
amendment  in any  material  respect by COMNET or any COMNET  Subsidiary  of any
employment,  consulting,  termination  or  severance  agreement  or any material
bonus, pension, profit sharing,  deferred compensation,  incentive compensation,
stock  ownership,  stock  purchase,  stock option,  phantom  stock,  retirement,
vacation,  severance,  disability,  death benefit,  hospitalization,  medical or
other plan,  arrangement or understanding  providing  benefits to any current or
former  employee,  officer  or  director  of  COMNET  or any  COMNET  Subsidiary
(collectively, such agreements, plans, arrangements and understandings being the
"COMNET  Benefit  Plans"),  or any  material  change in any  actuarial  or other
assumption  used to  calculate  funding  obligations  with respect to any COMNET
retirement  plans,  or any  change in the manner in which  contributions  to any
COMNET  retirement plans are made or the basis on which such  contributions  are
determined.

     (b) Section 3.10 of the COMNET Disclosure Schedule sets forth a list of all
COMNET Benefit Plans. COMNET has delivered or made available to Group 1 true and
complete  copies of all COMNET Benefit Plans  together with all current  related
documents,   including   the  most  recent   summary  plan   descriptions,   IRS
determination letters and actuarial reports, if applicable.

     (c) (i) No event has occurred and, to the knowledge of COMNET, there exists
no condition or set of circumstances,  in connection with which COMNET or any of
the COMNET  Subsidiaries  could be subject to any liability that individually or
in the aggregate would have a Material Adverse Effect,  under ERISA, the Code or
any other applicable law.

     (ii) Each COMNET Benefit Plan has been  administered in accordance with its
terms,  except for any failures so to  administer  any COMNET  Benefit Plan that
individually or in the aggregate would not have a Material  Adverse Effect.  The
overwhelming  majority of  participants  in each of the COMNET Benefit Plans are
employees of Group 1 or Group 1  Subsidiaries.  All COMNET  Benefit Plans are in
compliance  with the  applicable  provisions  of  ERISA,  the Code and all other
applicable  laws,  except  for  any  failures  to be  in  such  compliance  that
individually or in the aggregate would not have a Material Adverse Effect.  Each
COMNET  Benefit Plan that is intended to be qualified  under  Section  401(a) or
401(k) of the Code has  received a favorable  determination  letter from the IRS
that it is so qualified and each trust established in connection with any COMNET
Benefit Plan that is intended to be exempt from Federal  income  taxation  under
Section 501(a) of the Code has received a determination letter from the IRS that
such  trust is so  exempt.  To the  knowledge  of  COMNET,  no fact or event has
occurred  since  that  date of any  determination  letter  from the IRS which is
reasonably  likely to affect  adversely the qualified  status of any such COMNET
Benefit Plan or the exempt status of any such trust.

     (iii) Neither COMNET nor any of the COMNET  Subsidiaries  has any liability
under Title IV of ERISA.  No COMNET  Benefit Plan has  incurred an  "accumulated
funding  deficiency"  (within the meaning of Section 302 of ERISA or Section 412
of the Code)  whether or not waived since the date of the most recent  actuarial
report for such plan. No COMNET  Benefit Plan is a  "multiemployer  plan" within
the meaning of Section 3(37) of ERISA or a "defined benefit" plan (as defined in
Section 3(35) of ERISA).

     Section 3.11 Material Contracts. Except as set forth in Section 3.11 of the
COMNET Disclosure Schedule, as of the date of this Agreement, neither COMNET nor
any COMNET  Subsidiary  is a party to or bound by (a) any contract or commitment
for  capital  expenditures  in  excess  of  $200,000  for any one  project,  (b)
contracts  or  commitments  for the purchase of materials or supplies or for the
performance of services over a period of more than 60 days from the date of this
Agreement and calling for aggregate  future  payments of $500,000 or more during
the term of such contract or  commitment,  (c) any contract which is a "material
contract" (as such term is defined in Item  601(b)(10) of Regulation  S-K of the
SEC) that has not been  filed or  incorporated  by  reference  in the COMNET SEC
Reports, (d) any contract which contains  non-compete or exclusivity  provisions
or  restrictions  with respect to any business or  geographic  area or (e) which
would prohibit or materially  delay the  consummation of the Merger or any other
transaction  contemplated  by  this  Agreement.   Each  contract,   arrangement,
commitment or understanding of the type described in this Section 3.11,  whether
or not set forth in Section 3.11 of COMNET Disclosure  Schedule,  is referred to
herein as a " COMNET  Contract".  Neither  COMNET  nor any of COMNET  Subsidiary
knows of, or has received notice of, any violation of any COMNET Contract by any
of the other parties thereto,  except for violations  which,  individually or in
the aggregate, would not result in a Material Adverse Effect.

     Section 3.12  Environmental  Matters.  To the  knowledge of COMNET  neither
COMNET, any COMNET Subsidiary, nor any properties owned or operated by COMNET or
any  COMNET  Subsidiary  has been or is in  violation  of or  liable  under  any
Environmental Law, except for such violations or liabilities that,  individually
or in the aggregate,  will have a material Adverse Effect. There are no actions,
suits or proceedings,  or demands, claims, notices or investigations  (including
without limitation  notices,  demand letters or requests of information from any
environmental  agency)  instituted  or pending,  or to the  knowledge of COMNET,
threatened,  relating to the liability of COMNET or any COMNET  Subsidiary  with
respect to any properties  owned or operated by COMNET or any COMNET  Subsidiary
under any Environmental Law, except for liabilities or violations that would not
have, individually or in the aggregate, a Material Adverse Effect.

     Section  3.13  Taxes.  (a)  Except  for such  matters  as would  not  have,
individually or in the aggregate,  a Material Adverse Effect, (i) COMNET and the
COMNET  Subsidiaries  (which for the purposes of this Section 3.13 shall include
Group 1) have timely filed or will timely file all returns and reports  required
to be filed by them with any  taxing  authority  with  respect  to Taxes for any
period ending on or before the Effective Time, taking into account any extension
of time to file  granted  to or  obtained  on behalf of  COMNET  and the  COMNET
Subsidiaries,  (ii) all Taxes that are due prior to the Effective Time have been
paid or will be paid (other than Taxes which (1) are not yet  delinquent  or (2)
are being contested in good faith and have not been finally  determined),  (iii)
as of the date hereof,  no deficiency  for any Tax has been asserted or assessed
by a taxing  authority  against COMNET or any of the COMNET  Subsidiaries  which
deficiency has not been paid other than any deficiency  being  contested in good
faith  and (iv)  COMNET  and the  COMNET  Subsidiaries  have  provided  adequate
reserves (in accordance with generally accepted accounting  principles) in their
financial statements for any Taxes that have not been paid, whether or not shown
as being due on any returns.

     (b) To the knowledge of COMNET,  there are no material disputes pending, or
claims asserted in writing for, Taxes or assessments upon COMNET,  or any of the
COMNET  Subsidiaries,  nor has  COMNET or any of the  COMNET  Subsidiaries  been
requested  in writing to give any  currently  effective  waivers  extending  the
statutory  period of  limitation  applicable  to any federal or state income tax
return for any period which disputes, claims, assessments or waivers would have,
individually or in the aggregate, a Material Adverse Effect.

     (c) There are no Tax liens upon any  property or assets of COMNET or any of
the COMNET  Subsidiaries  except liens for current  Taxes not yet due and except
for liens which have not had and are not reasonably likely to have, individually
or in the aggregate, a Material Adverse Effect.

     (d) Neither COMNET nor any of the COMNET  Subsidiaries has been required to
include in income any  adjustment  pursuant to Section 481 of the Code by reason
of a voluntary  change in  accounting  method  initiated by COMNET or any of the
COMNET  Subsidiaries,  and the  IRS  has not  initiated  or  proposed  any  such
adjustment or change in accounting  method,  in either case which  adjustment or
change would have, individually or in the aggregate, a Material Adverse Effect.

     (e) Except as set forth in the  financial  statements  described in Section
3.07,  neither  COMNET nor any of the COMNET  Subsidiaries  has  entered  into a
transaction which is being accounted for under the installment method of Section
453 of the Code, which would have,  individually or in the aggregate, a Material
Adverse Effect.

     Section 3.14 Brokers. No broker, finder or investment banker is entitled to
any  brokerage,  finder's  or other fee or  commission  in  connection  with the
transactions  contemplated by this Agreement based upon  arrangements made by or
on behalf of COMNET or any COMNET Subsidiary.

     Section 3.15 Tax Matters.  Neither  COMNET nor, to the knowledge of COMNET,
any of its affiliates has through the date of this Agreement  taken or agreed to
take any action  that would  prevent the Merger  from  qualifying  as a tax free
reorganization under Section 368(a) of the Code. COMNET has no reason to believe
that the Merger will not qualify as a reorganization under Section 368(a) of the
Code.

     Section  3.16   Vote   Required.   Approval  of   the  Merger  by  COMNET's
stockholders  in not  required  under  Delaware  Law or under  the  Articles  of
Incorporation  or the  By-Laws  of  COMNET.  The Board of  directors  of COMNET,
however, has chosen to seek the approval of a majority of the outstanding shares
of the COMNET Common and Preferred  Stock as a requirement for COMNET to proceed
with the Merger.

                                   ARTICLE IV

                         Covenants of COMNET and Group 1

     Section  4.01  Affirmative  Covenants.  Each of  COMNET  and Group 1 hereby
covenants and agrees with the other that prior to the Effective Time, unless the
prior  written  consent  of the other  shall  have been  obtained  and except as
otherwise  contemplated herein, each will, and will cause their Subsidiaries to,
conduct  their  respective  businesses  in the ordinary  course of business in a
manner  consistent  with past practice,  use their  respective  reasonable  best
efforts  to  preserve  intact  their  respective  business  organizations,  keep
available  the services of their  respective  current  officers,  employees  and
consultants and to preserve their respective current business relationships.

     Section 4.02 Negative Covenants. Except as set forth in Section 4.02 of the
COMNET Disclosure  Schedule or the Group 1 Disclosure  Schedule,  as applicable,
and except as specifically  contemplated by this Agreement,  from March 31, 1998
until the Effective Time, each of COMNET and Group 1 has not done, and shall not
do,  and  shall not  permit  their  respective  Subsidiaries  to do,  any of the
following without the prior written consent of the other:

     (a) adjust,  split, combine or reclassify any capital stock, declare or pay
any dividend on, or make any other  distribution  in respect of, its outstanding
shares of capital  stock,  except for  semi-annual  dividends  on the  Preferred
Stock;

     (b) (i)  redeem,  purchase or  otherwise  acquire any shares of its capital
stock or any securities or obligations  convertible into or exchangeable for any
shares of its capital  stock,  or any  options,  warrants,  conversion  or other
rights to acquire  any shares of its  capital  stock or any such  securities  or
obligations, (ii) effect any reorganization or recapitalization,  (iii) purchase
or otherwise  acquire any assets or stock of any  corporation  or other business
for consideration which in the aggregate exceeds $10 million, or (iv) liquidate,
sell,  dispose  of or  encumber  any  assets  for  consideration,  which  in the
aggregate exceeds $25 million;

     (c) issue,  deliver,  award,  grant or sell,  or  authorize  or propose the
issuance,  delivery,  award,  grant or sale of,  any  shares of any class of its
capital  stock  (including  shares held in treasury) or any rights,  warrants or
options to acquire, any such shares;

     (d) propose or adopt any  amendments  to its articles of  incorporation  or
By-Laws;

     (e) change any of its methods of accounting in effect at December 31, 1997,
or change any of its  methods of  reporting  income or  deductions  for  federal
income tax purposes from those employed in the preparation of the federal income
tax returns for the taxable  year ending  December  31,  1997,  except as may be
required by law or generally accepted accounting principles;

     (f) other than in the  ordinary  course of  business  consistent  with past
practice,  incur any  indebtedness for borrowed money (other than (x) short-term
indebtedness  incurred to refinance short-term  indebtedness or (y) indebtedness
among its corporate affiliates),  or assume, guarantee,  endorse or otherwise as
an accommodation become responsible for the obligations of any other individual,
corporation or other entity;

     (g) except for  transactions in the ordinary course of business  consistent
with past practice,  enter into or terminate any material contract or agreement,
or make any change in any of its material  leases or material  contracts,  other
than renewals of such contracts and leases without  material  adverse changes of
terms;

     (h) increase in any manner the  compensation  or fringe  benefits of any of
its  employees or pay any pension or retirement  allowances  not required by any
existing plan or agreement to any such  employees or become a party to, amend or
commit itself to any pension, retirement, profit sharing or welfare benefit plan
or agreement  or  employment  agreement  with or for the benefit of any employee
other than, in each case,  in the ordinary  course of business  consistent  with
past  practice,  or  accelerate  the  vesting  of any  stock  options  or  other
stock-based compensation;

     (i) settle any claim, action or proceeding involving money damages,  except
in the ordinary course of business consistent with past practices;

     (j) take any action that would prevent or impede the Merger from qualifying
as a tax free reorganization within the meaning of Section 368 of the Code;

     (k) take any action  that is  intended  or may  reasonably  be  expected to
result in any of its  representations and warranties set forth in this Agreement
being or  becoming  untrue  in any  material  respect  at any time  prior to the
Effective  Time, or in any of the  conditions to the Merger set forth in Article
VI not being  satisfied  or in a violation of any  provision of this  Agreement,
except, in each case, as may be required by applicable law;

     (l) take any action or fail to take any action which individually or in the
aggregate can be reasonably expected to have a Material Adverse Effect; or

     (m) agree in writing or otherwise to do any of the foregoing.

                                    ARTICLE V

                              Additional Agreements

     Section 5.01 Registration  Statement.  (a) As promptly as practicable after
the execution of this  Agreement,  (i) COMNET and Group 1 shall prepare and file
with the SEC preliminary  proxy materials which shall constitute the joint proxy
statement  of COMNET  and Group 1 (such  joint  proxy  statement  as  amended or
supplemented  is referred  to herein as the "Joint  Proxy  Statement")  and (ii)
COMNET shall  prepare and file a  registration  statement on Form S-4  (together
with any amendments thereto, the "Registration  Statement"),  in which the Joint
Proxy Statement shall be included as a prospectus,  with the SEC with respect to
the  registration of the COMNET Common Stock to be issued in the Merger.  COMNET
and Group 1 shall each use its reasonable best efforts to cause the Registration
Statement to become  effective as soon as reasonably  practicable.  COMNET shall
also take any action  required to be taken under any applicable Blue Sky Laws in
connection  with the issuance of the shares of COMNET  Common Stock to be issued
as set forth in this Agreement.

     (b) (i) The Joint Proxy Statement shall include the  recommendation  of the
Board  of  Directors  of  Group 1 in  favor of  approval  and  adoption  of this
Agreement  and  approval of the Merger.  (ii) The Joint  Proxy  Statement  shall
include  the  recommendations  of the Board of  Directors  of COMNET in favor of
approval and adoption of this Agreement and approval of the Merger.

     (c)  No  amendment  or  supplement  to the  Joint  Proxy  Statement  or the
Registration Statement will be made by COMNET or Group 1 without the approval of
the other party (which will not be  unreasonably  withheld).  COMNET and Group 1
each will advise the other,  promptly after it receives notice  thereof,  of the
time when the  Registration  Statement has become effective or any supplement or
amendment has been filed,  the issuance of any stop order, the suspension of the
qualification  of the COMNET Common Stock issuable in connection with the Merger
for  offering  or  sale  in any  jurisdiction,  or any  request  by the  SEC for
amendment  of the  Joint  Proxy  Statement,  or the  Registration  Statement  or
comments  thereon and  responses  thereto or requests by the SEC for  additional
information.

     (d)  COMNET  shall  promptly  prepare  and  submit to the  Nasdaq a listing
application  covering the shares of COMNET Common Stock  issuable in the Merger,
and shall use its  reasonable  best  efforts to obtain,  prior to the  Effective
Time, approval for the listing of such COMNET Common Stock,  subject to official
notice of issuance and Group 1 shall  cooperate with COMNET with respect to such
listing.

     Section 5.02 Meetings of Stockholders.  (a) Group 1 and its directors shall
(i) cause a meeting of Group 1's stockholders to consider the Merger (the "Group
1 Meeting")  to be duly called and held as soon as  practicable  to consider and
vote upon the plan of Merger  and any  related  matters in  accordance  with the
applicable provisions of applicable law, (ii) submit this Agreement and the plan
of Merger to Group 1's  stockholders  together  with,  subject to the  fiduciary
duties  of Group 1's Board of  Directors  under  applicable  law as  advised  by
counsel,  a  recommendation  for  approval by the Board of Directors of Group 1,
(iii)  solicit  the  approval  thereof by Group 1's  stockholders  by mailing or
delivering to each shareholder a Joint Proxy Statement,  and (iv) subject to the
fiduciary  duties of the Group 1's Board of Directors  under  applicable  law as
advised by counsel,  use their reasonable  efforts to obtain the approval of the
plan of Merger by the requisite percentage of Group 1's stockholders.

     (b)  COMNET  and its  directors  shall  (i)  cause a  meeting  of  COMNET's
stockholders  to be held to consider  and vote on approval of the Merger and the
authorization  of  additional  shares of COMNET Common Stock and the issuance of
shares of COMNET and Common  Stock in  connection  with the Merger (the  "COMNET
Meeting";  and together with the Group 1 Meeting, the "Stockholders'  Meetings")
to be duly  called and held as soon as  practicable  to  consider  and vote upon
approval of the Merger and the issuance of  additional  shares of COMNET  Common
Stock in connection  with the Merger and any related  matters in accordance with
the  applicable  provisions  of  applicable  law,  (ii) submit such  proposal to
COMNET's stockholders together with, subject to the fiduciary duties of COMNET's
Board of Directors under applicable law as advised by counsel,  a recommendation
for  approval by the Board of Directors  of COMNET,  (iii)  solicit the approval
thereof by COMNET's  stockholders by mailing or delivering to each shareholder a
Joint Proxy  Statement,  and (iv)  subject to the  fiduciary  duties of COMNET's
Board of  Directors  under  applicable  law as  advised  by  counsel,  use their
reasonable  efforts  to obtain  the  approval  of the  Merger  by the  requisite
percentage of COMNET's stockholders.

     Section 5.03  Appropriate  Action;  Consents;  Filings.  COMNET and Group 1
shall  use all  reasonable  efforts  to (i)  take,  or  cause to be  taken,  all
appropriate action, and do, or cause to be done, all things necessary, proper or
advisable under applicable law to consummate and make effective the transactions
contemplated by this  Agreement;  (ii) obtain all consents,  licenses,  permits,
waivers,  approvals,  authorizations  or orders  required under Law  (including,
without  limitation,  all  foreign  and  domestic  (federal,  state  and  local)
governmental  and regulatory  rulings and approvals and parties to contracts) in
connection with the authorization,  execution and delivery of this Agreement and
the  consummation by them of the transactions  contemplated  hereby and thereby,
including, without limitation, the Merger; and (iii) make all necessary filings,
and  thereafter  make any  other  required  submissions,  with  respect  to this
Agreement and the Merger  required under (A) the Securities Act and the Exchange
Act and the rules and regulations  thereunder,  and any other applicable federal
or state  securities laws and (B) any other  applicable law (including,  without
limitation, any applicable state insurance laws).

         Section 5.04  Indemnification of Group 1 Directors.  From and after the
Effective Time, COMNET shall indemnify, defend and hold harmless each person who
is now, or has been at any time prior to the date hereof or who becomes prior to
the  Effective  Time,  an  officer  or  director  of  Group 1 (the  "Indemnified
Parties") against all losses, claims, damages,  costs, expenses,  liabilities or
judgments,  or amounts that are paid in  settlement  with the approval of COMNET
(which  approval shall not be unreasonably  withheld),  of or in connection with
any claim, action,  suit,  proceeding or investigation based in whole or in part
on or arising  in whole or in part out of the fact that such  person is or was a
director or officer of Group 1 or any subsidiary thereof,  whether pertaining to
any matter  existing or occurring at or prior to the Effective  Time and whether
asserted or claimed prior to, or at or after,  the Effective Time  ("Indemnified
Liabilities"), in each case to the full extent Group 1 would have been permitted
under Delaware law and its Certificate of Incorporation  and Bylaws to indemnify
such person and COMNET shall pay expenses in advance of the final disposition of
any such  action or  proceeding  to each  Indemnified  Party to the full  extent
permitted by law upon receipt of any  undertaking  required by Section 145(e) of
the DGGL. Without limiting the foregoing,  in the event any such claim,  action,
suit , proceeding or  investigation  is brought  against any  Indemnified  party
(whether  arising before or after the Effective  Time), (i) any counsel retained
by the  Indemnified  Parties for any period  after the  Effective  Time shall be
reasonably  satisfactory to COMNET,  (ii) after the Effective Time, COMNET shall
pay all reasonable fees and expenses of such counsel for the Indemnified Parties
promptly as  statements  therefor are  received,  and (iii) after the  Effective
Time,  COMNET will use all reasonable  efforts to assist in the vigorous defense
of any such matter,  provided that COMNET shall not be liable for any settlement
of any claim  effected  without its written  consent,  which  consent  shall not
unreasonably be withheld. Any Indemnified Party wishing to claim indemnification
under  this  Section  5.04,  upon  learning  of any such  claim,  action,  suit,
proceeding or  investigation,  shall notify COMNET (but the failure so to notify
COMNET  shall not  relieve  it from any  liability  which it may have under this
Section 5.04 except to the extent such failure  materially  prejudices  COMNET),
and shall deliver to COMNET the undertaking,  if any, required by Section 145(e)
of the DGGL. The Indemnified  Parties as a group may retain only one law firm to
represent  them  with  respect  to each  such  matter  unless  there  is,  under
applicable  standards of  professional  conduct,  a conflict on any  significant
issue  between  the  positions  of any  two or  more  Indemnified  Parties.  The
provisions  of this Section 5.04 are intended to be for the sole benefit of, and
shall be  enforceable  only by, each  Indemnified  Party,  and each  Indemnified
Party's  heirs and  representatives.  No other persons or parties shall have any
rights hereunder. In addition to the foregoing,  COMNET agrees (i) to assume all
obligations  and   responsibilities  of  Group  1  under  and  pursuant  to  the
Indemnification  Agreement  entered into between  Group 1 and its  directors and
officers, the form of which agreement is attached hereto and incorporated herein
by reference  and (ii) to maintain in full force and effect for a period  ending
three years  following the Effective Date its directors and officers'  liability
insurance policy (Contract Number 961009) covering the Indemnified Parties.

     Section 5.05  Executive  Agreements.  (a) COMNET  agrees to honor,  without
modifications  the contracts,  plans and arrangements  listed in Section 5.05 of
Group 1  Disclosure  Schedule.  This  Section  5.05(b) is intended to be for the
benefit  of, and shall be  enforceable  by, the  individuals  their  heirs,  and
personal  representatives,  and shall be  binding  on COMNET and Group 1 and its
successors and assigns.

     Section 5.06  Expenses.  (a) All Expenses  (as defined  below)  incurred by
COMNET and Group 1 shall be borne by the  party,  which has  incurred  the same,
except that the parties  shall share  equally in the cost of printing and filing
the  Registration  Statement and the Joint Proxy  Statement with the SEC and all
other regulatory filing fees incurred in connection with this Agreement.

     (b)  "Expenses"  as used in this  Agreement  shall  include all  reasonable
out-of-pocket expenses (including,  without limitation, all fees and expenses of
counsel,  accountants,  investment bankers, experts and consultants to the party
and its  affiliates)  incurred by a party or on its behalf in connection with or
related to the authorization,  preparation and execution of this Agreement,  the
solicitation  of  shareholder  approvals  and all other  matters  related to the
closing of the transactions contemplated hereby.

                                   ARTICLE VI

                              Conditions of Merger

     Section 6.01  Conditions  to Obligation of Each Party to Effect the Merger.
The  respective  obligations of each party to effect the Merger shall be subject
to  the  satisfaction  at or  prior  to the  Effective  Time  of  the  following
conditions:

     (a) Effectiveness of the Registration Statement. The Registration Statement
shall have been declared  effective by the SEC under the Securities Act. No stop
order suspending the effectiveness of the Registration Statement shall have been
issued by the SEC and no proceedings  for that purpose shall, on or prior to the
Effective  Time, have been initiated or, to the knowledge of COMNET and Group 1,
threatened  by the SEC.  COMNET shall have  received all other  federal or state
securities  permits and other  authorizations  necessary to issue COMNET  Common
Stock in exchange for Group 1 Common Stock and to consummate the Merger.

     (b)  Stockholder  Approvals.  This Agreement and the Merger shall have been
approved and adopted by the  requisite  vote of the  stockholders  of COMNET and
Group 1.

     (c) Nasdaq Listing. The shares of COMNET Common Stock that are to be issued
to the  stockholders of Group 1 upon  consummation of the Merger shall have been
authorized  for  listing  on the  National  Market of the Nasdaq  Stock  Market,
subject to notice of issuance.

     (d) No Order. No federal or state  governmental or regulatory  authority or
other agency or commission, or federal or state court of competent jurisdiction,
shall have enacted, issued, promulgated,  enforced or entered any statute, rule,
regulation,   executive  order,  decree,  injunction  or  other  order  (whether
temporary, preliminary or permanent) which is in effect restricting,  preventing
or prohibiting consummation of the transactions contemplated by this Agreement.

     (e) No  Challenge.  There shall not be pending any  action,  proceeding  or
investigation  before any court or  administrative  agency or by any  government
agency or any other  person  (i)  challenging  or  seeking  material  damages in
connection  with the Merger or (ii) seeking to  restrain,  prohibit or limit the
exercise of full rights of ownership or operation by COMNET, Group 1, all or any
portion  of  the  their  respective  businesses  or  assets  or  any  respective
Subsidiary,  which in either case has or would have a Material Adverse Effect on
COMNET or Group 1 (and their Subsidiaries, taken as a whole) as the case may be.

     (f) COMNET Tax Opinion.  COMNET and Group 1 shall have  received an opinion
of Coopers & Lybrand  LLP,  independent  auditors  for COMNET and Group 1 to the
effect that the Merger will be treated for federal  income tax purposes as a tax
free  reorganization  within the meaning of Section 368(a) of the Code, and that
COMNET,  Merger  Sub and  Group 1 will  each be a party  to that  reorganization
within  the  meaning  of  Section  368(b)  of the  Code,  dated  the date of the
Effective  Time,  shall have been delivered and shall not have been withdrawn or
modified.

     Section  6.02   Additional   Conditions  to  Obligations  of  COMNET.   The
obligations  of COMNET to effect the Merger  are also  subject to the  following
conditions:

     (a)  Representation  and  Warranties.   Each  of  the  representations  and
warranties of Group 1 set forth in this  Agreement  shall be true and correct in
all  material  respects  as of the  Closing  Date (as  defined in Section  8.01)
(except to the extent such  representations  and warranties  speak only as of an
earlier date, in which case such  representations  and warranties  shall be true
and correct in all  material  respects as of such date) as though made as of the
Closing Date.  COMNET shall have received a certificate  of the Chief  Executive
Officer of Group 1 dated the Closing Date to that effect.

     (b) Agreements  and Covenants.  Group 1 shall have performed or complied in
all material respects with all obligations  required to be performed by it under
this Agreement on or prior to the Effective  Time.  COMNET shall have received a
certificate of the Chief Executive  Officer of Group 1 dated the Closing Date to
that effect.

     (c) Consents Obtained. All consents, waivers, approvals,  authorizations or
orders required to be obtained,  and all filings  required to be made by Group 1
for  the  authorization,  execution  and  delivery  of  this  Agreement  and the
consummation  by it of the  transactions  contemplated  hereby  shall  have been
obtained  and made by Group 1,  except  when the  failure  to obtain or make the
same, individually or in the aggregate, would not have a Material Adverse Effect
on Group 1 and Group 1  Subsidiaries,  taken as a whole,  or the  COMNET and the
COMNET Subsidiaries, taken as a whole.

     Section  6.03  Additional   Conditions  to  Obligations  of  Group  1.  The
obligation  of Group 1 to effect  the Merger is also  subject  to the  following
conditions:

     (a)  Representations  and  Warranties.  Each  of  the  representations  and
warranties  of COMNET set forth in this  Agreement  shall be true and correct in
all  material  respects  as of the  Closing  Date  (except  to the  extent  such
representation  and  warranties  speak as of an earlier date, in which case such
representation and warranties shall be true and correct in all material respects
as of such earlier date) as though made at the Closing Date.  Group 1 shall have
received a certificate  of the  President of COMNET dated the Effective  Time to
that effect.

     (b) Agreements  and  Covenants.  COMNET shall have performed or complied in
all material respects with all obligations  required to be performed by it under
this Agreement on or prior to the Effective Time.  Group 1 shall have received a
certificate of the President of COMNET dated the Closing Date to that effect.

     (c) Consents Obtained. All consents, waivers, approvals,  authorizations or
orders  required to be obtained,  and all filings  required to be made by COMNET
for  the  authorization,  execution  and  delivery  of  this  Agreement  and the
consummation  by it of the  transactions  contemplated  hereby  shall  have been
obtained and made by COMNET, except when the failure to obtain or make the same,
individually  or in the aggregate,  would not have a Material  Adverse Effect on
Group 1 and Group 1 Subsidiaries, taken as a whole, or the COMNET and the COMNET
Subsidiaries, taken as a whole.

                                   ARTICLE VII

                        Termination, Amendment and Waiver

     Section 7.01  Termination.  This  Agreement  may be  terminated at any time
prior to the Effective  Time,  whether  before or after  approval of the matters
presented  in  connection  with the  Merger by the  stockholders  of Group 1 and
COMNET:

     (a) by mutual written consent duly authorized by the Boards of Directors of
each of COMNET and Group 1;

     (b) by COMNET,  if there has been a breach of any material  representation,
warranty,  covenant  or  agreement  on the  part of  Group 1 set  forth  in this
Agreement,  or if any  representation  or  warranty of Group 1 shall have become
untrue,  in either case such that the conditions set forth in Section 6.02(a) or
Section  6.02(b)  would not be satisfied  and such breach is not cured within 30
days after written notice thereof to Group 1 by COMNET;

     (c) by Group 1, if there has been a breach of any material  representation,
warranty,  covenant  or  agreement  on the  part of  COMNET  set  forth  in this
Agreement,  or if any  representation  or warranty  of COMNET  shall have become
untrue,  in either case such that the conditions set forth in Section 6.03(a) or
Section  6.03(b)  would not be satisfied  and such breach is not cured within 30
days after written  notice thereof to COMNET by Group 1; (d) by either COMNET or
Group 1, if at a duly  called  and held  stockholders'  meeting  therefor,  this
Agreement  and the  transactions  contemplated  hereby shall fail to receive the
requisite vote for approval and adoption by their respective stockholders;

     (d) by either COMNET or Group 1, if at a duly called and held stockholders'
meeting therefor,  the authorization of additional shares of COMNET Common Stock
and the issuance of shares of COMNET Common Stock in connection  with the Merger
pursuant to this Agreement shall fail to receive the requisite vote for approval
by COMNET's stockholders;

     Section 7.02 Effect of Termination.  Except as provided in Section 8.02, in
the event of  termination  of this  Agreement  pursuant  to Section  7.01,  this
Agreement  shall forthwith  become void,  there shall be no liability under this
Agreement on the part of COMNET,  Group 1 or any of their respective officers or
directors  and all rights and  obligations  of each party  hereto  shall  cease;
provided  that  notwithstanding  anything  to the  contrary  in this  Agreement,
neither  COMNET nor Group 1 shall be released  from any  liabilities  or damages
arising out of its willful breach of any provision of this Agreement.

     Section 7.03 Amendment. This Agreement may be amended by the parties hereto
by action taken by or on behalf of their  respective  Boards of Directors at any
time prior to the Effective Time; provided,  however, that, after approval of by
the Group 1 stockholders  no amendment may be made which would reduce the amount
or change the type of  consideration  into which each Share  shall be  converted
pursuant to this Agreement upon  consummation of the Merger.  This Agreement may
not be amended except by an instrument in writing signed by the parties hereto.

     Section 7.04 Waiver.  At any time prior to the  Effective  Time,  any party
hereto may (a) extend the time for the  performance of any of the obligations or
other  acts of the  other  party  hereto,  (b)  waive  any  inaccuracies  in the
representations  and warranties  contained  herein or in any document  delivered
pursuant  hereto  and  (c)  waive  compliance  with  any  of the  agreements  or
conditions  contained herein. Any such extension or waiver shall be valid if set
forth in an  instrument  in  writing  signed by the party or parties to be bound
thereby.

                                  ARTICLE VIII

                               General Provisions

     Section  8.01  Closing.  Subject  to  the  terms  and  conditions  of  this
Agreement,  the closing (the  "Closing")  of the Merger will take place at 10:00
a.m. on a date and place specified by the parties,  which shall be no later than
three business days after the satisfaction or waiver (subject to applicable law)
of the latest to occur of the conditions set forth in Article VI unless extended
by mutual agreement of the parties (the "Closing Date").

     Section 8.02  Non-Survival of  Representations,  Warranties and Agreements.
The representations, warranties and agreements in this Agreement shall terminate
at the Effective  Time or upon the  termination  of this  Agreement  pursuant to
Article VII, except that the agreements set forth in Article I shall survive the
Effective  Time  indefinitely  and  those set forth in  Section  5.04,  7.02 and
Article VIII hereof shall survive termination indefinitely.

     Section 8.03 Notices.  All notices and other  communications  given or made
pursuant  hereto shall be in writing and shall be deemed to have been duly given
or made as of the date delivered or mailed if delivered  personally or mailed by
registered  or certified or overnight  mail  (postage  prepaid,  return  receipt
requested) to the parties at the following  addresses (or such other address for
a party as shall be specified by like changes of address) and shall be effective
upon receipt:

         If to COMNET, to it at:

         COMNET Corporation
         4200 Parliament Place, Suite 600
         Lanham, Maryland  20706
         Attention: Linda K. Chapman, Assistant Secretary

         With a copy to:

         Cadwalader, Wickersham & Taft
         100 Maiden Lane
         New York, New York 10038
         Attention: Louis J. Bevilacqua, Esq.

         If to Group 1, to it at:

         Group 1 Software, Inc.
         4200 Parliament Place, Suite 600
         Lanham, Maryland  20706
         Attention: Ronald F. Friedman, President

         With a copy to:

         Arent, Fox, Kintner, Plotkin & Kahn LLP
         1050 Connecticut Avenue, 6th Floor
         Washington, D.C. 20036
         Attention: Arnold Westerman, Esq.

     Section 8.04 Certain Definitions. For purposes of this Agreement, the term:

     (a) "beneficial owner" with respect to any Shares, means a person who shall
be deemed to be the beneficial owner of such Shares (i) which such person or any
of its affiliates or associates beneficially owns, directly or indirectly,  (ii)
which person or any of its  affiliates or associates (as such term is defined in
Rule 12b-2 of the Exchange Act) has,  directly or  indirectly,  (A) the right to
acquire  (whether such right is  exercisable  immediately or subject only to the
passage of time),  pursuant to any agreement,  arrangement or  understanding  or
upon the exercise of consideration rights, exchange rights, warrants or options,
or otherwise, or (B) the right to vote pursuant to any agreement, arrangement or
understanding,  (iii) which are beneficially owned,  directly or indirectly,  by
any other  persons with whom such person or any of its  affiliates or associates
has any agreement,  arrangement or  understanding  for the purpose of acquiring,
holding, voting or disposing of any Shares, or (iv) pursuant to Section 13(d) of
the Exchange Act and any rules or regulations promulgated thereunder;

     (b)  "business  day"  means  any day  other  than a day on  which  banks in
Delaware are required or authorized to be closed;

     (c)  "control"  (including  the terms  "controlled  by" and  "under  common
control  with") means the  possession,  directly or  indirectly or as trustee or
executor,  of the power to direct or cause the  direction of the  management  or
policies of a person,  whether  through the  ownership of stock or as trustee or
executor, by contract or credit arrangement or otherwise;

     (d) "person" means an individual,  corporation,  partnership,  association,
trust, unincorporated organization, other entity or group (as defined in Section
13(d) of the Exchange Act).

     Section 8.05  Headings.  The headings  contained in this  Agreement are for
reference  purposes  only  and  shall  not  affect  in any  way the  meaning  or
interpretation of this Agreement.

     Section 8.06 Severability. If any term or other provision of this Agreement
is invalid,  illegal or incapable of being enforced by any rule of law or public
policy, all other conditions and provisions of this Agreement shall nevertheless
remain in full force and effect so long as the  economic or legal  substance  of
the  transactions  contemplated  hereby is not affected in any manner adverse to
any party. Upon such  determination that any term or other provision is invalid,
illegal or incapable of being  enforced,  the parties hereto shall  negotiate in
good faith to modify this  Agreement so as to effect the original  intent of the
parties  as  closely  as  possible  in an  acceptable  manner  to the  end  that
transactions contemplated hereby are fulfilled to the extent possible.

     Section 8.07 Entire Agreement. This Agreement, together with the Disclosure
Schedules and Exhibits  hereto,  constitutes the entire agreement of the parties
and supersedes all prior  agreements  and  undertakings,  both written and oral,
between the parties,  or any of them,  with respect to the subject matter hereof
and, except as otherwise  expressly  provided herein,  is not intended to confer
upon any other person any rights or remedies hereunder.

     Section 8.08 Assignment.  This Agreement shall not be assigned by operation
of law or otherwise.

     Section 8.09 Parties in Interest.  This Agreement shall be binding upon and
inure solely to the benefit of each party hereto, and nothing in this Agreement,
express or implied,  is intended  to or shall  confer upon any other  person any
right,  benefit  or remedy of any nature  whatsoever  under of by reason of this
Agreement.

     Section  8.10  Governing  Law.  This  Agreement  shall be governed  by, and
construed in accordance  with, the laws of the State of Delaware,  regardless of
the laws that might otherwise govern under applicable principles of conflicts of
law.



<PAGE>


     Section 8.11  Counterparts.  This  Agreement may be executed in one or more
counterparts, and by the different parties hereto in separate counterparts, each
of which when executed  shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

     IN WITNESS  WHEREOF,  COMNET and Group 1 have caused this  Agreement  to be
executed and delivered as of the date first  written  above by their  respective
officers thereunto duly authorized.

                            COMNET Corporation, a Delaware corporation


                            By:  _________________________________
                            Name:
                            Title:



                            Group 1 Software, Inc., a Delaware corporation


                            By: _________________________________
                            Name:
                            Title:


<PAGE>
                                                                       EXHIBIT B

                                                              June 29, 1998



COMNET Corporation
4200 Parliament Place, Suite 600
Lanham, Maryland  20706-1844

                  Re:  COMNET Corporation
                       Registration Statement on Form S-4 (File No. 333-58043)

Gentlemen:

         We have  acted  as tax  advisors  to  COMNET  Corporation,  a  Delaware
corporation ("COMNET"), in connection with the proposed merger (the "Merger") of
Group 1 Software,  Inc., a Delaware  corporation  ("Group  1"),  pursuant to the
terms  of  the  Agreement  and  Plan  of  Merger,  dated  as of  June  23,  1998
(hereinafter  referred to as the "Agreement") by and between COMNET and Group 1,
as described in the Registration Statement on Form S-4 (File No. 333-58043),  as
filed  with  the  Securities  and  Exchange  Commission  on June 29,  1998  (the
"Registration  Statement").  This  opinion  is being  rendered  pursuant  to the
requirements  of Item  21(a) of Form S-4 under the  Securities  Act of 1933,  as
amended.

         In connection with this opinion, we have examined and are familiar with
originals or copies,  certified or otherwise identified to our satisfaction,  of
(i) the  Agreement,  (ii) the  Registration  Statement,  and  (iii)  such  other
documents as we have deemed  necessary or  appropriate  in order to enable us to
render the opinions below. In our  examination,  we have assumed the genuineness
of all signatures,  the legal capacity of all natural persons,  the authenticity
of all  documents  submitted  to us as  originals,  the  conformity  to original
documents  of  all  documents  submitted  to  us  as  certified,   conformed  or
photostatic  copies and the  authenticity of the originals of such copies.  This
opinion is subject to the receipt by us, prior to the Effective  Date of certain
written representations and covenants of COMNET and Group 1.

         Based upon and subject to the foregoing,  the  discussion  contained in
the prospectus included as part of the Registration Statement (the "Prospectus")
under the  caption  "The  Proposed  Merger -- Certain  Tax  Consequences  of the
Merger," except as otherwise indicated,  expresses our opinion as to the certain
Federal income tax  consequences  applicable to holders of Group 1 Common Stock.
You  should be aware,  however,  that the  discussion  under  the  caption  "The
Proposed  Merger -- Certain Tax  Consequences  of the Merger" in the  Prospectus
represents our  conclusion as to the  application of existing law to the instant
transactions. There can be no assurance that contrary positions may not be taken
by the Internal Revenue Service.

         This opinion is furnished to you solely for use in connection  with the
Registration  Statement.  We hereby  consent to the filing of this opinion as an
exhibit to the  Registration  Statement.  We also consent to the  references  to
Coopers  &  Lybrand  L.L.P.  under  the  heading  "The  Proposed  Merger  -- Tax
Consequences of the Merger" in the Registration Statement and the Prospectus.

                                               Very truly yours,

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

<PAGE>
                                                                       EXHIBIT C

June 8, 1998

The Special Committee of the Board of Directors
Group 1 Software, Inc.
4200 Parliament Place
Lanham, Maryland  20706


Gentlemen:

You have  requested  our opinion as to the fairness,  from a financial  point of
view,  to the  stockholders  of Group 1 Software,  Inc., a Delaware  corporation
("Group 1") of the  consideration to be paid by Comnet  Corporation,  a Delaware
corporation  ("Comnet")  pursuant to the terms and subject to the conditions set
forth in the  Agreement  and Plan of  Merger  between  Group 1 and  Comnet  (the
"Merger  Agreement").  As more fully described in the Merger  Agreement,  Comnet
proposes to acquire all of the outstanding  capital stock of Group 1 not already
owned by Comnet,  by means of a merger,  subsequent  to which Comnet will change
its name to Group 1 Software,  Inc. Each outstanding  share of the Common Stock,
par value  $0.01 per  share,  of Group 1 (the  "Group 1 Common  Stock")  will be
converted  into the right to receive 1.15 (the  "Exchange  Ratio") shares of the
Common Stock,  par value $0.50 per share, of Comnet (the "Comnet Common Stock").
Subsequent  to the merger and the name change,  the Comnet  Common Stock will be
known as the "New Group 1 Common Stock."

Comnet  owns  81.16%  of the  Group 1  Common  Stock,  which  is  Comnet's  sole
operation.  It holds no other  operating  businesses,  and its  other  assets or
investments are insignificant.  Further,  we have been advised that there are no
separate  liabilities  at  Comnet  or  Group 1  other  than  those  specifically
discussed below. For this reason,  we believe that independent  valuation of the
individual  businesses of Comnet and Group 1 is not required. In arriving at our
opinion,  we first  determined  a ratio  which  would  maintain  the  percentage
ownership  relationship  which  exists in the market  prior to the merger.  This
ratio was then adjusted for the  substantive  differences in financial  position
between  Comnet  and  Group 1,  namely  that  Comnet  has  147,500  shares of 6%
Cumulative  Preferred Stock,  par value $0.25 per share (the "Preferred  Stock")
outstanding,  and has numerous option grants outstanding (the "Comnet Options"),
while Group~1 has a debt obligation to Comnet.

Since  neither  the  Preferred  Stock nor the Comnet  Options  are traded in the
marketplace,  we appraised their fair market values. The exchange ratio was then
adjusted upward for the fair market values of the Preferred Stock and the Comnet
Options and adjusted downward for the stated debt owed by Group 1 to Comnet.

In addition to the  aforementioned,  we reviewed the Merger  Agreement  and held
discussions  with certain senior officers,  directors and other  representatives
and  advisors of Comnet and certain and other  representatives  and  advisors of
Group 1 concerning  the  businesses  of Comnet and Group 1. We examined  certain
publicly  available  business and financial  information  relating to Comnet and
Group 1 as well as  certain  other  information  and data for Comnet and Group 1
which were  provided to or  otherwise  discussed  with us by the  management  of
Comnet  and Group 1. We  reviewed  the  terms of the  merger as set forth in the
Merger  Agreement  in relation to, among other  things:  current and  historical
market  prices and  trading  volumes of Comnet  Common  Stock and Group 1 Common
Stock;  the historical  earnings and other operating data of Comnet and Group 1;
the capitalization and financial  condition of Comnet and Group 1. We considered
to the extent publicly available,  the financial terms of certain other exchange
transactions  recently  effected which we considered  relevant in evaluating the
Merger.  In addition to the  foregoing,  we  conducted  such other  analyses and
examinations and considered such other  financial,  economic and market criteria
as we deemed appropriate in arriving at our opinion.

In  rendering  our  opinion,  we have  assumed and relied,  without  independent
verification,  upon the accuracy and  completeness  of all  financial  and other
information and data publicly available or furnished to or otherwise reviewed by
or  discussed  with us.  With  respect to  information  and data  provided to or
otherwise  reviewed  by or  discussed  with  us,  we have  been  advised  by the
management of Comnet and Group 1 that such  information and data were reasonably
prepared  on  bases  reflecting  the  best  currently  available  estimates  and
judgments  of  the  management  of  Comnet  and  Group  1 as  to  the  strategic
implications  and  operational  benefits  (including  the  amount,   timing  and
achievability thereof) anticipated to result from the Merger. Our opinion as set
forth herein  relates to the  relative  values of Comnet and Group 1. We are not
expressing any opinion as to what the value of Comnet Common Stock actually will
be when  issued to Group 1  shareholders  pursuant to the Merger or the price at
which the New Group 1 Common Stock will trade subsequent to the Merger.

We have not made or been provided with an independent evaluation or appraisal of
the assets or  liabilities  (contingent  or otherwise) of Comnet and Group 1 nor
have we made any physical  inspection of the  properties or assets of Comnet and
Group 1, except as may be stated in the second paragraph of this letter. We were
not requested to consider, and our opinion does not address, the relative merits
of the Merger as  compared to any  alternative  business  strategies  that might
exist for Group 1 or the effect of any other  transaction in which Group 1 might
engage.  With the exception of reviewing the final draft of the Merger Agreement
and  verifying  that the exchange  ratio  offered by Comnet was within the range
determined  by us to be fair,  we  concluded  our work in  connection  with this
matter on April 17,  1998.  Our opinion is  necessarily  based upon  information
available  to  us,  and  financial,   stock  market  and  other  conditions  and
circumstances existing and disclosed to us, as of this date.

We are acting as financial  advisors to Group 1 in connection  with the proposed
Merger and will receive a fee for our  services,  which is not  contingent  upon
consummation of the Merger.

Our  advisory  services  and the opinion  expressed  herein are provided for the
information of the Special Committee of the Board of Directors of Group 1 in its
evaluation  of the  proposed  Merger,  and our opinion is not intended to be and
does  not  constitute  a  recommendation  to  any  stockholder  as to  how  such
stockholder  should vote on any matter  relating  to the  proposed  Merger.  Our
opinion may not be  published  or  otherwise  used or referred to, nor shall any
public reference to Valuation  Research  Corporation be made,  without our prior
consent, which will not be unreasonably withheld.

Based upon and subject to the foregoing,  our work as described  above and other
factors we deemed  relevant,  we are of the opinion  that, as of the date hereof
and  pursuant  to the  Merger  Agreement,  the  Exchange  Ratio is fair,  from a
financial point of view, to Group 1 and the holders of Group 1 Common Stock.

Very truly yours,

/s/VALUATION RESEARCH CORPORATION
<PAGE>
                                                                       EXHIBIT D

                 1995 NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN


1.  Definitions. The terms below shall be defined as indicated.

         1.1 Administrator  means the Board or any executive officer or officers
of the Company designated by the Board.

         1.2 Board means the Board of Directors of the  Company,  including  any
directors who may be Optionees.

         1.3  Change in Control means the occurrence of and of the following:

         (i) Any "person," as defined in Section 3(a)(9) of the Exchange Act and
as used in Sections 13(d) and 14(d)  thereof,  including a "group" as defined in
Section  13(d) of the Exchange Act (but  excluding the Company and any successor
to the Company which became a successor of the Company in a transaction that did
not involve a Change in Control,  any Subsidiary  and any employee  benefit plan
sponsored  or  maintained  by the  Company or any  Subsidiary  and any  employee
benefit plan sponsored or maintained by the Company or any Subsidiary, including
any trustee of any such plan acting as trustee),  becomes directly or indirectly
the "beneficial  owner"(as  defined in Rule 13d-3 under the Exchange Act) of, or
makes an offer to purchase,  securities of the Company  representing 50% or more
of the combined voting power of the Company's then  outstanding  securities with
respect to the election of directors.

         (ii) During any period of twelve  (12)  consecutive  months  during the
existence of the Plan,  the  individuals  who, at the  beginning of such period,
constitute the Board (the "Incumbent Directors") cease for any reason other than
death to  constitute  at least a majority  thereof;  provided,  however,  that a
director who was not a director at the beginning of such  12-month  period shall
be deemed to have satisfied  such  requirement  and be an Incumbent  Director if
such director was elected by, or on the  recommendation  of or with the approval
of, at least  two-thirds of the  directors of the Company who then  qualified as
Incumbent  Directors either because they were directors at the beginning of such
12-month period or by operation of this clause (ii).

         (iii) The stockholders of the Company approve a merger or consolidation
of the Company or a reclassification  of its voting stock without the consent or
approval of a majority of the Incumbent Directors.

         (iv)  The   stockholders  of  the  Company  approve  a  sale  or  other
disposition of all or substantially all of the Company's assets.

         (v)  The  stockholders  of the  Company  approve  or  adopt  a plan  of
liquidation, dissolution or winding up.

         1.4 Code means the Internal  Revenue Code of 1986, as amended from time
to time, or any successor statute thereof.

         1.5 Common  Stock means the  Company's  common  stock,  par value $.50,
subject to the provisions of Section 9.

         1.6 Company means COMNET Corporation,  a Delaware corporation,  and any
successor corporation which adopts the Plan.

         1.7 Exchange Act means the Securities  Exchange Act of 1934, as amended
from time to time, or any successor statute thereof.

         1.8 Fair Market Value means,  on a specified date, the last sales price
of a Share  traded on the  over-the  counter  market,  as reported on the NASDAQ
National  Market  System,  or the last  closing  price  for a Share on the stock
exchange,  if any, on which  Shares are  primarily  traded (or if no Shares were
traded on such date,  then on the last previous date on which any Shares were so
traded),  or if none of the above is  applicable,  the value of a Share for such
date as  established  by a nationally  recognized  appraisal  firm or investment
bank, using any reasonable method of valuation.

         1.9 Non-Employee Director means a director of the Company who is not an
officer or employee of the Company or any subsidiary.

         1.10 Option means an option to purchase  Shares  granted by the Company
pursuant to the Plan.

         1.11 Option Agreement means a written agreement as described in Section
7 between the Company and the Optionee evidencing an option.

         1.12 Option Period means the period from the date of the granting of an
Option to the date on which that  Option  terminates  pursuant  to  Section  5.2
hereof.

         1.13 Option  Price means the price to be paid for the Shares  purchased
pursuant to an Option.

         1.14 Optionee means any person who is granted an Option under the Plan.

         1.15 Plan means the Company's 1995 Non-Employee Directors' Stock Option
Plan, as adopted by the Board in substantially  the form set forth herein and as
the same may be amended or otherwise modified from time to time.

         1.16  Shares means shares of Common Stock.

         1.17  Subsidiary  means a  subsidiary  of the Company as defined  under
Section 424 of the Code.

2.  Purpose; Construction.

         2.1 The Plan is  intended to  encourage  ownership  of Common  Stock by
directors  of the  Company,  upon whose  judgment  and  interest  the Company is
dependent for its  successful  operationand  growth,  in order to increase their
proprietary  interest in the Company's success and to encourage them to serve as
directors of the Company.

         2.2 The Plan is  intended to comply  with the terms and  provisions  of
Rule 16b-3  promulgated under the Exchange Act. Any provision of the Plan or any
option Agreement inconsistent with the terms of such Rule in effect on such date
shall be inoperative  and shall not affect the validity of the Plan, such Option
Agreement or any other provision thereof.

3.  Administration  and  Interpretation.  The terms and  conditions  under which
options  shall be granted  under the Plan are set forth in Section 5. Subject to
the  provisions  of  Section  12, the  Administrator  shall  have  authority  to
interpret the  provisions of the Plan, to establish such rules and procedures as
may  be  necessary  or  advisable  to  administer  the  Plan  and  to  make  all
determinations  necessary  or  advisable  for the  administration  of the  Plan;
provided,  however, that no such interpretation or determination shall change or
affect the selection of participants  eligible to receive grants under the Plan,
the number of shares  covered by or the timing of any grant of Options under the
Plan or the terms and conditions thereof. The interpretation and construction by
the  Administrator of any provision of the Plan or of any Option Agreement shall
be final and conclusive.

4. Eligible Persons.  Options shall be granted pursuant to the provisions hereof
to persons who are Non-Employee Directors at the time of grant.

5.  Grant of Options.

         5.1  Procedure.  Subject to the  provisions of Section 8.1 limiting the
maximum  number  of  Shares   subject  to  purchase  under  Options,   (a)  each
Non-Employee Director whose initial term commences after the date of adoption of
the Plan by the Board shall be granted an option as of the date such director is
first elected to the Board of Directors to purchase 5,000 Shares, and (b) on the
first  day of  each  fiscal  year of the  Company,  each  Non-Employee  Director
(including Non-Employee Directors whose initial terms commenced on or before the
date of  adoption  of the Plan by the  Board)  shall be  granted  an  option  to
purchase  5,000 Shares.  Each such Option shall become  exercisable as to 20% of
the Shares covered thereby on each of the first five successive anniversaries of
the date of grant;  provided,  however,  that upon the occurrence of a Change in
Control any portion of each such Option not then exercisable  shall  immediately
and automatically  (without notice) become fully  exercisable.  The Option Price
for each option  shall be the Fair Market Value of a Share on the date of grant.
No Option  shall be granted  under the Plan except as  provided in this  Section
5.1.

         5.2  Termination.  The unexercised  portion of each Option (both vested
and non-vested) shall automatically and without notice terminate and become null
and void upon the earlier of the following:

               (i) The fifteenth anniversary of the date of grant; or

               (ii) Subject to the  provisions of this Section 5.2,  thirty (30)
               days following the date of  termination of the Optionee's  status
               as a director of the Company.

Notwithstanding  the  foregoing,  if an Optionee  ceases to be a director of the
Company due to retirement  on or after  attaining the age of 65 (or such earlier
date as  such  Optionee  shall  be  permitted  to  retire  under  the  Company's
retirement  policy then in effect) or due to disability  (the existence of which
disability  shall be determined  by the  Administrator  in its sole  discretion,
which determination shall be conclusive),  any unexercised portion of the Option
that was otherwise exercisable on the date such Optionee ceases to be a director
of the Company  shall be  exercisable  by the Optionee at any time within the 30
day period  following the date of  termination  of such  Optionee's  status as a
director,  and if an Optionee  dies while a director of the Company or within 30
days following the date of termination of such Optionee's  status as a director,
any unexercised portion of the Option that was otherwise exercisable on the date
of such  Optionee's  death  shall  be  exercisable  by the  Optionee's  personal
representatives or heirs at law if no personal representative is required by the
governing state law, at any time within the one (1) year period from the date of
such Optionee's death; provided,  however, that notwithstanding  anything to the
contrary contained herein, in no event shall any option be exercisable following
the fifteenth anniversary of the date of grant.

         5.3 Additional Grants. Nothing contained in the Plan shall be construed
to preclude the  granting of an Option or Options  pursuant to Section 5.1 to an
Optionee in addition to an Option or options for the purchase of Shares  already
held by that  Optionee  or the  granting  of more than one  option  pursuant  to
Section 5.1 to an Optionee at the same time.

         5.4 Subject to Exchange  Rules.  Any and all grants of Options shall be
subject to all  applicable  rules and  regulations  of any exchange on which the
Company's Common Stock may then be listed.

6.  Effective  and  Expiration  Dates of Plan.  The Plan shall be  effective  on
September 12, 1995,  after  approval by the Company's  stockholders  at the 1995
annual meeting of  stockholders.  No Option shall be granted after September 10,
2005.

7.  Option  Agreements.   Option  Agreements  shall  be  in  such  form  as  the
Administrator  shall approve or determine;  provided,  however,  that all Option
Agreements  shall  comply  with  and be  subject  to  the  following  terms  and
conditions.

         7.1 Manner,  Time, and Medium of Payment.  An Option shall be exercised
in the manner set forth in the Option Agreement  relating thereto and payment in
full of the Option  Price for all Shares  shall be made at the time of exercise.
Payment shall be in United States dollars in the form of cash,  certified  check
or bank draft,  or by delivery of fully paid Shares  valued at their Fair Market
Value on the date of exercise,  or, if the Option Agreement so provides (subject
to compliance  with any  applicable  rules  promulgated  under Section 16 of the
Exchange Act requiring  elections to be made six (6) months in advance or during
a window  period or as may  otherwise  hereafter be  required),  by  withholding
Shares with  respect to which the Optionee has  exercised  such Option  having a
Fair Market  Value on the date of exercise  equal to the sum of the Option Price
for the  withheld  Shares and the  remaining  shares  with  respect to which the
Optionee  has  exercised  such  option,  or any  combination  of such methods of
payment.

         7.2 Number of Shares.  Subject to Section 9, the Option Agreement shall
state the number of Shares to which it pertains.

         7.3 Date of Exercise. An Option may be exercised, to the extent vested,
in whole or in part from time to time during the Option Period.  Notwithstanding
anything in this Plan or any Option  Agreement to the contrary,  no Option shall
be  exercisable  prior to the approval of this Plan by the  stockholders  of the
Company.

         7.4 Reorganization.  In case the Company is merged or consolidated with
another corporation,  or in case of a reorganization,  separation or liquidation
of the Company,  the Board or the board of directors of any corporation assuming
the  obligations  of the Company  hereunder  shall  either (i) make  appropriate
provisions for the protection of any outstanding  options by the substitution on
an equitable  basis of  appropriate  securities of the Company,  or  appropriate
shares or other securities of the merged, consolidated, or otherwise reorganized
corporation, or the appropriate adjustment in the Option Price, or both, or (ii)
give written  notice to Optionees  that their Options must be exercised,  to the
extent then  exercisable  after giving due effect to Section 7.3, within 60 days
of the date of such notice or they will  terminate,  and to the extent that such
Options are not exercised  within such 60-day period they shall terminate and be
of no further effect.

         7.5 Assignability. No option shall be assignable or transferable except
by will,  by the laws of descent  and  distribution  or  pursuant to a qualified
domestic  relations  order  (as  defined  in the  Code),  and no  option  may be
exercised other than by an Optionee or, after the death of an Optionee,  by that
Optionee's personal representatives, heirs, or legatees.

         7.6 No Right to  Continue as  Director.  Nothing in the Plan nor in any
option granted under the Plan shall confer (or be deemed to confer) any right on
any Optionee to continue as a director of the Company or any Subsidiary or shall
interfere  in any way with the  right of the  Board or the  stockholders  of the
Company,  or the board of directors or  stockholders  (including the Company) of
any subsidiary,  to terminate such status at any time, with or without cause and
with or without  notice  except as  otherwise  provided  by the  certificate  of
incorporation or by laws of the Company or such Subsidiary or applicable law.

         7.7  Rights as a  Stockholder.  An  Optionee  shall have no rights as a
stockholder  with  respect to Shares  covered  by any Option  until the date the
Company has issued or delivered such Shares to the Optionee, and then only as to
such Shares as are actually issued and delivered to the Optionee.

         7.8 Other Provisions.  Option Agreements shall contain such other terms
and conditions not inconsistent  with the Plan as the  Administrator  shall deem
advisable.

         7.9 Compliance with Law.  Notwithstanding  any provision of the Plan or
any Option  Agreement to the contrary,  no option may be granted or exercised at
any time when  such  Option or the  granting  or  exercise  thereof  or  payment
therefor  may  result  in the  violation  of any law or  governmental  order  or
regulation.

         7.10  Securities  Laws.  The  Company  intends to  register  the Shares
issuable  pursuant to exercise of Options under the  Securities  Act of 1933, as
amended, and to effect similar compliance under applicable state laws, but shall
be under no obligation to do so. The Administrator  may require,  as a condition
of the issuance and delivery of certificates evidencing Shares issuable pursuant
to exercise of Options,  that the Optionee make such  covenants,  agreements and
representations, including, without limitation, as to compliance with applicable
securities  laws,  and  that  such  certificates  bear  such  legends,   as  the
Administrator in its sole discretion deems necessary or desirable.

8.  Shares Available for Option.

         8.1 Maximum. Subject to Sections 7.4 and 9, no more than 300,000 Shares
shall be subject to purchase  pursuant to options granted under the Plan,  which
Shares may be either Shares held in treasury or authorized but unissued  Shares.
At all times during the term of the Plan,  the Company  shall have reserved that
number of Shares  less an amount  equal to the number of Shares held in treasury
and the number of Shares  which have been  issued  pursuant  to the  exercise of
Options.  At all times  after  termination  of the Plan the  Company  shall have
reserved for issuance a number of Share; equal to the aggregate number of Shares
subject to outstanding options less the number of Shares held in treasury.

         8.2 Expiration or Termination. If any outstanding option under the Plan
expires for any reason or is terminated prior to the expiration date of the Plan
as set forth in Section 6, the Shares  allocable to any  unexercised  portion of
such Option may again be subject to an option.

9. Recapitalization or Change in Par Value of Common Stock. The aggregate number
of Shares purchasable under options granted and which may be granted pursuant to
the Plan and the option  Price for Shares  covered  by each  outstanding  option
shall  all  be   proportionately   adjusted,   as  deemed   appropriate  by  the
Administrator, if the Shares are split up, converted, exchanged, reclassified or
in any way  substituted  for. The  Administrator  shall provide for  appropriate
adjustments  of  the  numbers  of  shares  purchasable  under  the  Plan  and of
outstanding  options in the event of stock dividends or  distributions of assets
or securities of other companies  owned by the Company to stockholders  relating
to  Common  Stock  for which  the  record  date is prior to the date the  Shares
purchased  by  exercise of an Option are issued or  transferred,  except that no
such  adjustment  shall be made for  cumulative  stock  dividends of ten percent
(10%) or less (in the  aggregate) or cash  dividends.  Any such  adjustment  may
include an  adjustment  of the Option Price or the number of Shares for which an
Option may be exercised, or may provide for an escrow of assets or securities so
distributed  to be available upon future  exercise.  In the event of a change in
the Company's presently  authorized Common Stock which is limited to a change of
all of its presently  authorized  Shares of Common Stock with par value into the
same number of shares  without par value,  or any change of the then  authorized
Shares of Common  Stock with par value into the same  number of shares of Common
Stock with a  different  par value,  the shares  resulting  from any such change
shall be  deemed  to be Shares as  defined  in  Section  1, and no change in the
number of Shares covered by each option or in the Option Price shall take place.

10.  Indemnification; Reliance; Exculpation.

         10.1 Indemnification. Each person who is or shall have been a member of
the Board of the Company shall be  indemnified  and held harmless by the Company
against  and from any and all loss,  cost,  liability,  or  expense  that may be
imposed  upon or  reasonably  incurred  by such  person  in  connection  with or
resulting from any claim,  action,  suit, or proceeding to which such person may
be a party or in which such person may be involved by reason of any action taken
or failure to act under the Plan and against  and from any and all amounts  paid
by such person in settlement  thereof (with the Company's  written  approval) or
paid by such person in satisfaction  of a judgment in any such action,  suit, or
proceeding to the fullest extent permitted by the Delaware  General  Corporation
Law,  subject,  however,  to the condition that upon the institution of any such
claim, action, suit, or proceeding such person shall in writing give the Company
an opportunity to intervene at the Company's  expense on his or her behalf.  The
foregoing right of indemnification  shall not be exclusive of any other right to
which such person may be entitled as a matter of law or otherwise,  or any power
that the Company may have to indemnify such person or hold his or her harmless.

         10.2  Reliance.  Each member of the Board and each officer and employee
of the  Company in  performing  duties  under the Plan shall be entitled to rely
upon information and reports furnished in connection with the  administration of
this Plan by any duly authorized officer or agent of the Company.

         10.3  Exculpation.  No a member of the Board and no officer or employee
of the  Company  shall be liable  for any action or  determination  made in good
faith with respect to the Plan or any Option granted under the Plan.

11. Income Tax Withholding.  Any Option Agreement may include provisions that if
the Company or a Subsidiary  shall be required to withhold any amounts by reason
of any  federal,  state or local  tax rules or  regulations  in  respect  of the
issuance  of Shares  pursuant to the  exercise of an Option,  the Company or the
Subsidiary shall be entitled to deduct and to withhold such amount from any cash
payments to be made to the Optionee.  The Administrator may establish such rules
and procedures, including, without limitation, any rules or procedures necessary
to comply with Rule 16b-3,  as it may deem  necessary or advisable in connection
with the withholding taxes relating to the exercise of any option.

12.  Amendment or  Termination  of Plan.  The Plan may be terminated  and may be
modified  or amended  by the Board at any time and from time to time;  provided,
however,  that (i) no modification or amendment  increasing the aggregate number
of Shares  which may be issued under  Options,  materially  increasing  benefits
accruing  to  Optionees,   or  materially   modifying  the  requirements  as  to
eligibility to receive options hereunder shall be effective without  stockholder
approval, (ii) no such termination, modification, or amendment of the Plan shall
alter or affect the terms of any then  outstanding  Options  previously  granted
hereunder  without the consent of the holder thereof and (iii) the provisions of
Section  5 with  respect  to the  number of Shares  for which  Options  shall be
granted,  the timing of such grants and the Option Price for such Options  shall
not be amended  more than once  every six  months,  other  than to comport  with
changes in the Code,  the Employee  Retirement  Income  Security Act of 1974, as
amended, or the rules thereunder.

13. Set-Off. If at any time an Optionee is indebted to or otherwise obligated to
make any payment to the Company or any Subsidiary,  the Company may (a) withhold
from the  Optionee  (i)  following  the  exercise by the  Optionee of an Option,
Shares  issuable  to the  Optionee  having  a Fair  Market  Value on the date of
exercise up to the amount of  indebtedness  to the Company or (ii) following the
sale by an Optionee  of Shares  received  pursuant to the  exercise of an Option
amounts due to an Optionee in connection  with the sale of such Shares up to the
amount of the indebtedness to the Company, or (b) take any substantially similar
action.  The  Company may  establish  such rules and  procedures  as it may deem
necessary or advisable in connection with the taking of any action  contemplated
by this Section 13.

14. Headings.  The section headings contained herein have no substantive meaning
or content and are not part of this Plan.
<PAGE>


                                     PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 20. Indemnification of Directors and Officers

     As permitted by Section  102(b)(7) of the Delaware General  Corporation Law
(the  "DGCL"),  Article  Sixteenth  of the  COMNET  Certificate  eliminates  the
monetary  liability  of directors  to COMNET or its  stockholders  for breach of
fiduciary duty as a director, with the following exceptions,  as required by the
DGCL:  (i) breach of the  director's  duty of loyalty to the  corporation or its
stockholders;  (ii)  acts  or  omissions  not in good  faith  or  which  involve
intentional  misconduct or a knowing violation of law; (iii) payment of unlawful
dividends  or  making  unlawful  stock  purchases  or   redemption's;   or  (iv)
transactions from which the director derived an improper personal benefit.

     In addition,  under Section 145 of the DGCL, a corporation  may indemnify a
director,  officer,  employee  or  agent  of the  corporation  against  expenses
(including  attorneys'  fees),  judgments,  fines and amounts paid in settlement
actually  and  reasonably  incurred by him in  connection  with any  threatened,
pending or completed  Proceeding (other than an action by or in the right of the
corporation)  if he acted in good  faith  and in a  manner  which he  reasonably
believed to be in or not opposed to the best interests of the  corporation  and,
with respect to any criminal  action or proceeding,  had no reasonable  cause to
believe his conduct was unlawful.  In the case of an action brought by or in the
right of the  corporation,  the corporation  may indemnify a director,  officer,
employee or agent of the  corporation  against  expenses  (including  attorneys'
fees) actually and reasonably  incurred by him in connection with the defense or
settlement of any threatened, pending or completed action or suit if he acted in
good faith and in a manner he reasonably believed to be in or not opposed to the
best interests of the corporation,  except that no indemnification shall be made
in respect of any claim, issue or matter as to which such person shall have been
adjudged  to be liable to the  corporation  unless and only to the extent that a
court determines upon application  that, in view of all the circumstances of the
case,  such  person is fairly and  reasonably  entitled  to  indemnity  for such
expenses as the court deems proper.  Article VII of the COMNET By-laws  provides
for indemnification of its directors,  officers,  employees, and other agents to
the fullest extent permitted by the DGCL.

     COMNET  has  obtained  director  and  officer  liability  insurance,  which
provides for  indemnification  of its directors and officers under the foregoing
provisions of the COMNET  Certificate  and the COMNET By-laws up to an aggregate
of $10,000,000.

Item 21. Exhibits and Financial Data Schedule

                 (a) Exhibits
             
  Exhibit No.    Description
  -----------    -----------

     2.   Agreement and Plan of Merger,  dated June 23, 1998 between  Registrant
          and Group 1 Software,  Inc. (incorporated by reference to Exhibit A to
          the Proxy Statement Prospectus included herein). *

     3.1  Articles of Incorporation and Bylaws, as amended - 1985. (1)

     3.2  Bylaws - Amended as of January 22, 1993. (2)

     4.1  Purchase  Agreement  between  the  Registrant  and  Medco  Containment
          Services, Inc., dated as of January 28, 1992. (2)

     4.2  Agreement  Regarding  Satisfaction  of Debt,  Release  of  Pledge  and
          Issuance of Stock  between  Group 1 and Robert S.  Bowen,  dated as of
          January 28. 1992. (2)

     4.3  Agreement  Regarding  Satisfaction  of Debt,  Release  of  Pledge  and
          Issuance of Stock between Group 1 and Dr. Milton  Kaplan,  dated as of
          January 28, 1992. (2)

     4.4  Agreement  Regarding  Satisfaction  of Debt,  Release  of  Pledge  and
          Issuance  of  Stock  between  Group 1 and  John  Spohler,  dated as of
          January 28, 1992. (2)

     4.5  Agreement  Regarding  Satisfaction  of Debt,  Release  of  Pledge  and
          Issuance of Stock between the Registrant  and Leonard J. Smith,  dated
          as of January 28, 1992. (2)

     4.6  Stock Option  Agreement  between the  Registrant and James V. Manning,
          dated as of August 16, 1992. (2)

     4.7  Stock Option Agreement between the Registrant and James Marden,  dated
          as of August 16, 1992. (2)

     4.8  Stock Option  Agreement  between the  Registrant  and Robert S. Bowen,
          dated as of August 16, 1991. (2)

     4.9  Stock Option Agreement  between the Registrant and Ronald F. Friedman,
          dated as of August 16, 1991. (2)

     4.10 Stock Option  Agreement  between the  Registrant  and Charles A. Crew,
          dated as of August 16, 1991.  (2)

     4.11 Stock Option Agreement between the Registrant and Charles J. Sindelar,
          dated as of August 16, 1991. (2)

     4.12 Agreement  among the  Registrant  and Robert S. Bowen,  Milton Kaplan,
          Leonard  J.  Smith and John  Spohler  regarding  certain  registration
          rights, dated as of January 28, 1992. (2)

     4.13 Certificate of Designation of 6% Convertible  Preferred  Stock,  filed
          January 22, 1993. (3)

     4.14 1995  Incentive  Stock  Option,  Non-Qualified  Stock Option and Stock
          Appreciation Unit Plan. (4)

     4.15 1995 Non-Employee Directors' Stock Option Plan. (4)

     5.   Opinion of  Cadwalader,  Wickersham and Taft as to the legality of the
          securities issued in connection with the Merger.**

     8.   Opinion of Coopers & Lybrand LLP as to certain tax matters.*

     10.1 Technology  Purchase  Agreement  between COMNET  Corporation  and Andy
          Bellinghieri - 1985, as amended and restated in May, 1994. (1)

     10.2 Employment  agreement between Ronald F. Friedman and Group 1 Software,
          Inc. dated October 31, 1990. (1)

     10.3 Management and Service  Agreement  between Group 1 Software,  Inc. and
          COMNET Corporation dated April 1, 1994. (5)

     10.4 Tax Sharing Agreement among Group 1 Software,  Inc.,  COM_MED Systems,
          Inc., ADMS, Inc. and COMNET Corporation, dated April 1, 1991. (5)

     10.5 First  Amendment  to  Employment  Agreement  by and  between  Group  1
          Software, Inc. and Ronald F. Friedman dated June 24, 1991. (6)

     10.6 Amendment to the  Management  and  Services  Agreement as of August 1,
          1991 by and between Group 1 Software, Inc. and COMNET Corporation. (7)

     10.7 Amended and Restated  Employment  Agreement  dated January 28, 1992 by
          and between Group 1 Software, Inc. and Robert S. Bowen. (8)

     10.8 Fee Agreement  between the Company and James V.  Manning,  dated as of
          January 28, 1992.  (8)

     10.9 Fee  Agreement  between the  Company and Robert S. Bowen,  dated as of
          January 28, 1992.  (8)

     10.10 Fee Agreement between the Registrant and James V. Manning. (8)

     10.11 Indemnification  Agreement   between  the  Registrant  and  James  V.
           Manning.  (8)

     10.12 Indemnification Agreement between the Registrant and James P. Marden.
           (8)

     10.13 Indemnification  Agreement  between  the  Registrant  and  Ronald  F.
           Friedman. (8)

     10.14 Indemnification Agreement between the Registrant and Charles A. Crew.
           (8)

     10.15 Indemnification Agreement between the Registrant and Robert S. Bowen.
           (8)

     10.16 Stockholder Voting Agreement among Medco Containment  Services,  Inc.
           and Robert S.  Bowen,  Charles A. Crew,  Ronald F.  Friedman,  Milton
           Kaplan, Perry E. Morrison, Leonard J. Smith and John  Spohler,  dated
           as of January 28, 1992. (8)

     10.17 Advisory Committee  Agreement  between the  Registrant and Leonard J.
           1Smith, dated as of January 28, 1992. (8)

     10.18 Advisory Committee   Agreement  between  the  Registrant  and  Milton
           Kaplan, dated as of January 28, 1992. (8)

     10.19 Advisory Committee  Agreement  between  the  Registrant  and Perry E.
           Morrison, dated as of January 28, 1992. (8)

     10.20 Agreement between the  Registrant  and Robert S.  Bowen,  dated as of
           January 23, 1992. (8)

     10.21 Loan Agreement  and three notes in the amount of $78,334 each between
           the Company  as  Holder  and  Robert S.  Bowen as Maker,  dated as of
           January 23, 1992. (8)

     10.22 Amended and Restated Employment Agreement between Robert S. Bowen and
           the Registrant, dated as of January 28, 1992. (8)

     10.23 Amended and Restated Employment Agreement between Robert S. Bowen and
           Group 1 Software, Inc., dated as of January 28, 1992. (8)

     10.24 Indemnification Agreement, dated January 22, 1993, between Registrant
           and Carl I. Kanter. (8)

     10.25 Loan Agreement, dated March 1, 1993, between Registrant and Ronald F.
           Friedman. (8)

     10.26 Indemnification  Agreement,   dated   February  24,   1992,   between
           Registrant Corporation and Carl I. Kanter. (8)

     10.27 Indemnification Agreement between Registrant and Charles J. Sindelar.
           (8)

     10.28 Lease covering Registrant's  office  facilities in Lanham, MD - 1993.
           (9)

     10.29 Agreement between Group 1 Software, Inc. and Archetype Systems,  Ltd.
           for  acquisition  of the entire share  capital of Archetype  Systems,
           Ltd., dated as of December 30, 1994. (10)

     10.30 Fourth Amendment to Employment  agreement,  dated as of March , 1994,
           by and between Group 1 Software, Inc., and Ronald F. Friedman. (11)

     10.31 Sublease, dated March 1, 1994, by and between  Registrant and Group 1
           Software, Inc. (11) 

     10.32 Agreement to Extend Management and Services Agreement, dated April 1,
           1994, by and between Registrant and Group 1 Software, Inc. (11)

     10.33 Sales Agreement for COM_MED Systems, Inc. (4)

     10.34 Letter of   Agreement   between   Group  1  and  MEDCOM   Acquisition
           Corporation, dated May 8, 1995 (4)

     10.35 Amended Letter of Agreement  between  Group 1 and MEDCOM  Acquisition
           Corporation, dated June 9, 1995 (4)

     10.36 Bill of Sale  between  Group 1 and  MEDCOM  Acquisition  Corporation,
           dated March 31, 1995, for the sale of substantially all of the assets
           of COM-MED Systems, Inc. and CMEDS, Inc. (4)

     10.37 Line of  Credit  Agreement  between  Group 1 and  MEDCOM  Acquisition
           Corporation, dated March 31, 1995. (4)

     10.38 Fifth  Amendment to Employment Agreement,  dated as of April 1, 1995,
           by and between Group 1 Software, Inc. and Ronald F. Friedman. (4)

     10.39 COMNET Corporation, Deferred Compensation Plan. (4)

     10.40 Definitive Agreement  for  purchase of assets of  DataDesigns,  Inc.,
           dated August 23,  1995. (12) 

     10.41 Definitive  Agreement   for   purchase   of  assets  of  Premier  One
           Consultants, Inc., dated November 22, 1995. (12)

     10.42 Agreement between Sidco,  Inc., and CMEDS,  Inc.,  dated November 14,
           1995. (12)

     10.43 Third Amendment to Lease, dated April 15, 1994, by and between COMNET
           Corporation and Quadrangle Development Corporation. (12)

     10.44 First  Amendment  to Sublease, dated April 15,  1994,  by and between
           COMNET Corporation and Group 1 Software, Inc. (12)

     10.45 First  Amendment to Loan Agreement with Ronald F. Friedman,  dated as
           of January 15,  1996. (12)  

     10.46 Line of Credit Loan  Agreement with Crestar  Bank,  dated October 10,
           1996. (12)

     10.47 Agreement to Extend Management and Services Agreement, dated April 1,
           1997, by and between the Registrant and Group 1 Software, Inc. (12)

     10.48 Computation of earnings per share. (12)

     10.49 First Amendment  to  Employment  Agreement  by and between  Robert S.
           Bowen and COMNET Corporation, dated August 15, 1997 (13)

     10.50 Second Amendment to  Employment  Agreement  by and between  Robert S.
           Bowen and COMNET Corporation, dated January 12, 1998 (13)

     10.51 Third Amendment  to  Employment  Agreement  by and between  Robert S.
           Bowen and Group 1 Softwar, Inc., dated August 15, 1997 (13)

     10.52 Fourth Amendment to  Employment  Agreement  by and between  Robert S.
           Bowen and Group 1 Software, Inc., dated January 12, 1998 (13)

     10.53 Fifth Amendment  to  Employment  Agreement  by and between  Robert S.
           Bowen and Group 1 Software, Inc., dated May 11, 1998 (13)

     10.54 Agreement for  Purchase  and Sale of Assets by and between  Intertrak
           Corporation and Group 1 Software, Inc., dated September 4, 1997 (13)

     16.  Change  in  Registrant's  Independent  Accountant  on Form  8-K  dated
          January 26, 1990.(6)

     21.  Subsidiaries of Registrant. (13)

     23.1  Consent of Independent Accountants.*

     23.2  Consent of Independent Accountants.*

     24.1 Power  of  Attorney   (included  in  signature  page  of  Registration
          Statement).**

- ------------
*    Filed herewith.
**   To be filed by amendment.
***  Previously filed.
     
1    Previously  filed as an exhibit to the  Registrant's  Annual Report on Form
     10-K for the year ended March 31, 1991.

2    Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended December 31, 1991.

3    Previously filed as an exhibit to the Registrant's Annual Report on Form
     10-K for the year ended March 31, 1993.

4    Previously  filed as an exhibit to the  Registrant's  Annual Report on Form
     10-K for the year ended March 31, 1995.

5    Previously filed as an exhibit to the Registrant's Annual Report on Form
     10-K for the year ended March 31, 1994.

6    Previously filed as an exhibit to the Registrant's Quarterly report on Form
     10-Q for the quarter ended March 30, 1991.

7    Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended September 30, 1991.

8    Previously  filed as an exhibit to Group 1's Quarterly  Report on Form 10-Q
     for the quarter ended December 31, 1991.

9    Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended September 30, 1992.

10   Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended December 31, 1994.

11   Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended June 30, 1994.

12   Previously filed as an exhibit to the Registrant's Quarterly Report on Form
     10-Q for the quarter ended March 31, 1997.

13   Previously  filed as an exhibit to the  Registrant's  Annual Report on Form
     10-K for the year ended March 31, 1998.
<PAGE>

     (b) Financial Statement Schedules

         None

     (c) Opinions

     (i) Opinion of Coopers & Lybrand LLP  (incorporated by reference to Exhibit
B to the Proxy Statement Prospectus included herein).

     (ii) Opinion of Valuation Research,  Inc., dated June 8, 1998 (incorporated
by reference to Exhibit C to the Proxy Statement Prospectus included herein).

Item 22. Undertakings

     (a) The  undersigned  registrant  hereby  undertakes  that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

     (b) The undersigned  registrant hereby undertakes to deliver or cause to be
delivered with the prospectus,  to each person to whom the prospectus is sent or
given,  the latest annual  report to security  holders that is  incorporated  by
reference  in  the  prospectus  and  furnished   pursuant  to  and  meeting  the
requirements  of Rule 14a-3 or Rule 14c-3 under the  Securities  Exchange Act of
1934;  and,  where  interim  financial  information  required to be presented by
Article 3 of Regulation S-X are not set forth in the prospectus,  to deliver, or
cause to be  delivered to each person to whom the  prospectus  is sent or given,
the latest  quarterly  report that is specifically  incorporated by reference in
the prospectus to provide such interim financial information.

     (c) The undersigned  registrant hereby undertakes as follows: that prior to
any public  reoffering of the securities  registered  hereunder through use of a
prospectus  which is a part of this  registration  statement,  by any  person or
party who is deemed to be an underwriter  within the meaning of Rule 145(c), the
issuer  undertakes that such reoffering  prospectus will contain the information
called for by the  applicable  registration  form with respect to reofferings by
persons who may be deemed  underwriters,  in addition to the information  called
for by the other Items of the applicable form.

     (d) The  registrant  undertakes  that  every  prospectus  (i) that is filed
pursuant to paragraph (1) immediately  preceding,  or (ii) that purports to meet
the  requirements of section  10(a)(3) of the Act and is used in connection with
an offering of  securities  subject to Rule 415 (ss.  230.415 of this  chapter),
will be filed as a part of an amendment to the  registration  statement and will
not be used until  such  amendment  is  effective,  and that,  for  purposes  of
determining   any  liability  under  the  Securities  Act  of  1933,  each  such
post-effective  amendment  shall be  deemed to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

     (e) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors,  officers and controlling  persons of
the  registrant  pursuant  to  the  foregoing  provisions,   or  otherwise,  the
registrant  has been advised that in the opinion of the  Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore,  unenforceable. In the event that a claim for indemnification
against such  liabilities  (other than the payment by the registrant of expenses
incurred or paid by a director,  officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director,  officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction  the question  whether such  indemnification  by it is again public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.

     (f) The undersigned  registrant hereby undertakes to respond to request for
information  that is incorporated  by reference into the prospectus  pursuant to
Items 4, 10(b),  11, or 13 of this Form,  within one  business day of receipt of
such  request,  and to send the  incorporated  documents  by first class mail or
other equally  prompt means.  This includes  information  contained in documents
filed subsequent to the effective date of the registration statement through the
date of responding to the request.

     (g) The undersigned  registrant  hereby  undertakes to supply by means of a
post-effective  amendment  all  information  concerning a  transaction,  and the
company  being  acquired  involved  therein,  that  was not the  subject  of and
included in the registration statement when it became effective.



<PAGE>



                                   SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, as amended, the
Registrant has duly caused this Amendment No. 1. to Registration Statement to be
signed on its behalf by the undersigned,  thereunto duly authorized, in the City
of Lanham, State of Maryland on July 1, 1998.


                       COMNET CORPORATION



                       By:   /s/ Mark D. Funston
                             Name: Mark D. Funston
                             Title:  Vice President and Chief Financial Officer

                                
     Pursuant to the  requirements  of the  Securities  Act of 1933, as amended,
this Amendment No. 1. to Registration Statement has been signed by the following
persons in the capacities and on the dates indicated.
<TABLE>
<CAPTION>

SIGNATURE                               TITLE                                  DATE
- ---------                               -----                                  ----
<S>                                      <C>                                   <C>
/s/    *                                Chairman of the Board, President,      July 1, 1998
Robert S. Bowen                         Chief Executive Officer and Director

/s/Mark D. Funston                      Vice President, Chief Financial        July 1, 1998
Mark D. Funston                         Officer and Director

/s/     *                                                                      
James V. Manning                        Director                               July 1, 1998

/s/     *              
Richard A. Eisenberg                    Director                               July 1, 1998

/s/     *         
Charles A. Mele                         Director                               July 1, 1998

/s/     *         
James P. Marden                         Director                               July 1, 1998

/s/      *            
Charles J. Sindelar                     Director                               July 1, 1998

/s/      *         
Bruce J. Spohler                        Director                               July 1, 1998

/s/      *
Ronald F. Friedman                      Chief Operating Officer and Director   July 1, 1998

- -------------
*By:  Mark D. Funston
      Attorney-in-Fact
      pursuant to Power
      of Attorney previously
      filed
</TABLE>

                       CONSENT OF INDEPENDENT ACCOUNTANTS


We consent to the  incorporation by reference in the  registration  statement of
Comnet  Corporation on Form S-4 of our report dated June 12, 1998, on our audits
of the consolidated  financial  statements and financial  statement  schedule of
Comnet  Corporation as of March 31, 1998, 1997 and 1996, and for the years ended
March 31, 1998 and 1997,  which report is included in its Annual  Report on Form
10-K. We also consent to the reference to our firm under the captions  "Experts"
and "Selected Consolidated Financial Data."


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



McLean, Virginia
June 29, 1998



                       CONSENT OF INDEPENDENT ACCOUNTANTS

We consent to the  incorporation by reference in the  registration  statement of
Comnet  Corporation on Form S-4 of our report dated June 12, 1998, on our audits
of the consolidated  financial  statements and financial  statement  schedule of
Group 1 Software,  Inc.  as of March 31, 1998 and 1997,  and for the years ended
March 31, 1998, 1997 and 1996,  which report is included in its Annual Report on
Form 10-K.  We also  consent  to the  reference  to our firm under the  captions
"Experts" and "Selected Consolidated Financial Data."


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



McLean, Virginia
June 29, 1998


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