FIFTH AMENDMENT TO RIGHTS AGREEMENT


     This Fifth  Amendment is entered into and is effective as of April 29, 1999
by and between  Comstock  Resources,  Inc. (the  "Company")  and American  Stock
Transfer & Trust Company,  as successor Rights Agent (the "Rights Agent"),  with
respect to that certain  Rights  Agreement  dated as of December  10,  1990,  as
amended,  a copy of  which is  attached  hereto  as  Exhibit  "A"  (the  "Rights
Agreement").

                                     RIGHTS

     A. The  Company  intends to issue and sell to certain  investors  (together
with their successors,  the "1999 Preferred  Holders") an aggregate of 3,000,000
shares of its Series A 1999  Convertible  Preferred  Stock and an  aggregate  of
1,051,999  shares of its  Series B 1999  Non-Convertible  Preferred  Stock  (the
Series A 1999 Convertible  Preferred Stock and the Series B 1999 Non-Convertible
Preferred  Stock are  collectively  referred to  hereafter  as the "Series  1999
Preferred  Stock") pursuant to the terms of a Stock Purchase  Agreement dated as
of April 29, 1999 between the Company,  Trust  Company of the West and TCW Asset
Management  Company in the capacities set forth therein,  Pacific Life Insurance
Company and Aquila Energy Capital Corporation (the "Stock Purchase  Agreement").
Capitalized  terms  used  herein but not  otherwise  defined  herein  shall have
meaning  ascribed  thereto  in the  Rights  Agreement  as in  effect on the date
hereof.

     B. Pursuant to the Certificate of Designation for the Series 1999 Preferred
Stock, the Company may also issue in connection with a redemption of some of the
Series 1999 Preferred Stock certain Stock Appreciation Rights ("SAR's").

     C. As a condition to their  purchase of the shares of Series 1999 Preferred
Stock,  the 1999  Preferred  Holders have required that the Rights  Agreement be
amended to exclude,  under certain conditions,  the Series 1999 Preferred Stock,
the Common Stock issued by way of conversion or redemption of, or payment of any
dividend on the Series 1999 Preferred  Stock or in satisfaction of amounts owing
under the SAR's  (collectively,  the  "Conversion  Shares"),  the 1999 Preferred
Holders  and  certain  other  Persons  from  certain  provisions  of the  Rights
Agreement.

     D. The  Company  has  determined  that the offer and sale of the  shares of
Series 1999  Preferred  Stock are in the best interest of the Company and all of
its stockholders, and is therefore willing to so amend the Rights Agreement.

                                    AGREEMENT

     NOW, THEREFORE, pursuant to Section 27 of the Rights Agreement, the Company
hereby  supplements  and amends,  and directs the Rights Agent to supplement and
amend, the Rights Agreement as follows:

     1. Acquiring Person and Adverse Person

          1.1  Notwithstanding any provision of the Rights Agreement which could
be construed to the contrary,  all shares of Series 1999  Preferred  Stock,  all
SAR's and all Conversion Shares held by:

                    (a) any 1999 Preferred Holder;



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                    (b) any Affiliate, fund participant,  trust beneficiary,  or
          limited partner of any 1999 Preferred Holder;

                    (c) any party to any investment  management or other similar
          agreement  with Trust Company of the West, a California  trust company
          ("Trustco") or TCW Asset Management Company, a California  corporation
          ("Tamco"),  listed in the  definition  of "TCW" in the Stock  Purchase
          Agreement  or any fund,  foundation,  trust or other  Person for whose
          benefit  any such  agreement  with  Trustco  or Tamco  relates  or any
          trustee, custodian or nominee of or for any such Person; and

                    (d) any  Person  (including  any  "group"  as defined in the
          Exchange Act) who acquires all shares of Series 1999  Preferred  Stock
          or  Conversion  Shares  then held by any of the Persons  described  in
          clauses (a),  (b) or (c) above,  directly  from such Person  (provided
          that the transferor of such shares shall have, prior to such transfer,
          given the Company the right of first  offer  described  in Section 1.2
          below).

shall be  excluded  from any  calculation  made for the  purpose of  determining
whether  the  holder of such  shares is an  "Acquiring  Person"  or an  "Adverse
Person" for any purpose under the Rights Agreement.

          1.2 No  transferee  of any shares of Series  1999  Preferred  Stock or
Conversion  Shares shall be entitled to the  exclusions set forth in Section 1.1
unless (i) at least  fifteen (15)  business  days prior to any such transfer the
transferor of such shares shall have  delivered a written  notice to the Company
offering to sell such shares to the Company or its designee for cash at the same
price and on the same terms as offered to the proposed  transferee  and (ii) the
Company or its designee  shall have failed to accept such offer within seven (7)
business  days of the  Company's  receipt  thereof  and to close  such  sale and
purchase on the scheduled closing date set forth in the terms offered.

     2. Miscellaneous

          2.1 Subject to the terms set forth herein,  the Rights Agreement shall
remain in full force and effect.

          2.2 This Amendment may be executed in one or more  counterparts,  each
of which shall be deemed an original, but all of which together shall constitute
one and the same instrument.









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     This Fifth Amendment to Rights  Agreement is hereby executed as of the date
first above written.

Attest:                                    COMSTOCK RESOURCES, INC.,
                                           a Nevada corporation

By: /s/ ROLAND O. BURNS                    By: /s/ M. JAY ALLISON
- -----------------------                    ----------------------
Roland O. Burns                            M. Jay Allison
Secretary                                  President and Chief Executive Officer


                                           AMERICAN STOCK TRANSFER
                                           & TRUST COMPANY,
                                           as Rights Agent

                                           By: /s/ HERBERT J. LEMMER
                                           -------------------------
                                           Herbert J. Lemmer
                                           Vice President and General Counsel


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