EXHIBIT 99-B.8.43 FIRST AMENDMENT DATED OCTOBER 1, 2000 TO SERVICE AGREEMENT BETWEEN AETNA LIFE INSURANCE AND ANNUITY COMPANY AND A I M ADVISORS, INC. DATED JUNE 30, 1998.

                                EXHIBIT 99-B.8.43
    FIRST AMENDMENT DATED OCTOBER 1, 2000 TO SERVICE AGREEMENT BETWEEN
 AETNA LIFE INSURANCE AND ANNUITY COMPANY AND A I M ADVISORS, INC. DATED
 JUNE 30, 1998.


                               FIRST AMENDMENT TO
                                SERVICE AGREEMENT
                             WITH INVESTMENT ADVISER


     THIS FIRST AMENDMENT TO THE SERVICE AGREEMENT WITH INVESTMENT ADVISER (the
"First Amendment") is made and entered into as of the 1st day of October, 2000,
by and between AETNA LIFE INSURANCE AND ANNUITY COMPANY ("LIFE COMPANY") a
Connecticut corporation and A I M ADVISORS, INC., a Delaware corporation
("AIM").

                                   WITNESSETH:

     WHEREAS, LIFE COMPANY and AIM are parties to a Service Agreement dated as
June 30, 1998 (the "Agreement");

     WHEREAS, LIFE COMPANY and AIM now desire to modify the Agreement to correct
a scrivener error and to revise Schedule A to reflect a change in reimbursement;

     WHEREAS, LIFE COMPANY and AIM are parties to a Participation Agreement
dated June 30, 1998 (the "Participation Agreement");

     NOW THEREFORE, in consideration of the premises and the mutual covenants
and promises contained herein, the parties agree as follows:

1.   The fifth WHEREAS clause in the Agreement is hereby deleted in its entirety
     and replaced with the following:

          WHEREAS, LIFE COMPANY has no contractual or other legal obligation to
          perform the administrative services listed in item 1.a. through 1.d.
          of this Agreement, other than pursuant to this Agreement and the
          Participation Agreement; and

2.   Item 2.(a) of the agreement is hereby deleted in its entirety and replaced
     with the following:

          (a)  Administrative services to Contractholders, owners and
               participants shall be the responsibility of LIFE COMPANY and
               shall not be the responsibility of the Fund or AIM. To compensate
               LIFE COMPANY for its costs, AIM agrees to pay to LIFE COMPANY and
               LIFE COMPANY agrees to accept as full compensation for all
               services rendered hereunder an amount

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               described in Schedule A attached hereto and made a part of this
               Agreement as may be amended from time to time with the mutual
               consent of the parties hereto.



















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3.   Schedule A of the Agreement is hereby deleted in its entirety and replaced
     with Schedule A attached hereto and dated October 1, 2000;

4.   The Agreement, as supplemented by this First Amendment, is ratified and
     confirmed; and

5.   This First Amendment may be executed in two or more counterparts, which
     together shall constitute one instrument.

     IN WITNESS WHEREOF, the parties have executed this First Amendment as of
the date first above written.



AETNA LIFE INSURANCE AND ANNUITY COMPANY               A I M ADVISORS, INC.

By:      /s/ Xxxxxx X. Xxxxxxxxxxx              By:     /s/ Xxxxxx X. Xxxxxx
       -------------------------------                 -----------------------
         Xxxxxx X. Xxxxxxxxxxx                          Xxxxxx X. Xxxxxx

Title:   Vice President                         Title:    President
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