VARIABLE ANNUITY ACCOUNT B OF AETNA LIFE INS & ANNUITY CO
485BPOS, 1999-05-05
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As filed with the Securities and Exchange             Registration No. 333-56297
Commission on May 5, 1999                             Registration No. 811-2512

- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-4

- --------------------------------------------------------------------------------
                        POST-EFFECTIVE AMENDMENT NO. 7 TO
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                                and Amendment to

         REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940


- --------------------------------------------------------------------------------
     Variable Annuity Account B of Aetna Life Insurance and Annuity Company

                    Aetna Life Insurance and Annuity Company

            151 Farmington Avenue, RE4A, Hartford, Connecticut 06156

        Depositor's Telephone Number, including Area Code: (860) 273-4686

                           Julie E. Rockmore, Counsel
                    Aetna Life Insurance and Annuity Company
            151 Farmington Avenue, RE4A, Hartford, Connecticut 06156
                     (Name and Address of Agent for Service)

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

It is proposed that this filing will become effective:

     X         immediately upon filing pursuant to paragraph (b) of Rule 485
  --------
  --------     on _______________________ pursuant to paragraph (b) of Rule 485

<PAGE>



                           VARIABLE ANNUITY ACCOUNT B
                              CROSS REFERENCE SHEET



<TABLE>
<CAPTION>
     FORM N-4                          PART A (PROSPECTUS)                    LOCATION - PROSPECTUS, AS 
                                                                              AMENDED BY SUPPLEMENT
     ITEM NO.                                                                 DATED MAY 5, 1999
<S>      <C>                                                                  <C>
         1           Cover Page...........................................    Cover Page

         2           Definitions..........................................    Not Applicable

         3           Synopsis.............................................    Contract Overview; Fee Table, and as amended

         4           Condensed Financial Information......................    Condensed Financial Information; Appendix IV -
                                                                              Condensed Financial Information

         5           General Description of Registrant, Depositor, and
                     Portfolio Companies..................................    Other Topics - The Company; Variable Annuity
                                                                              Account B; Appendix III - Description of 
                                                                              Underlying Funds

         6           Deductions and Expenses..............................    Fees

         7           General Description of Variable Annuity Contracts....
                                                                              Contract Overview

         8           Annuity Period.......................................    The Income Phase

         9           Death Benefit........................................    Death Benefit

        10           Purchases and Contract Value.........................    Purchase and Rights; Your Account Value

        11           Redemptions..........................................    Your Right to Cancel; Systematic Distribution
                                                                              Options

        12           Taxes................................................    Taxation

        13           Legal Proceedings....................................    Other Topics - Legal Matters and Proceedings

        14           Table of Contents of the Statement of Additional
                     Information..........................................    Contents of the Statement of Additional
                                                                              Information
</TABLE>

<PAGE>





<TABLE>
<CAPTION>
     FORM N-4                         PART B (STATEMENT OF                    LOCATION - STATEMENT OF
     ITEM NO.                        ADDITIONAL INFORMATION)                  ADDITIONAL INFORMATION
<S>     <C>                                                                   <C>
        15           Cover Page...........................................    Cover page

        16           Table of Contents....................................    Table of Contents

        17           General Information and History......................    General Information and History

        18           Services.............................................    General Information and History; Independent
                                                                              Auditors

        19           Purchase of Securities Being Offered.................    Offering and Purchase of Contract

        20           Underwriters.........................................    Offering and Purchase of Contract

        21           Calculation of Performance Data......................    Performance Data; Average Annual Total Return
                                                                              Quotations

        22           Annuity Payments.....................................    Income Phase Payments

        23           Financial Statements.................................    Financial Statements

</TABLE>

                           Part C (Other Information)
                           --------------------------

Information required to be included in Part C is set forth under the appropriate
item, so numbered, in Part C to this Registration Statement.

<PAGE>



                                  PARTS A AND B

The Prospectus and Statement of Additional Information are incorporated in Parts
A and B, respectively, of this Post-Effective Amendment No. 7 by reference to
Post-Effective Amendment No. 6 to the Registration Statement on Form N-4 (File
No. 333-56297), as filed on April 14, 1999 and declared effective on May 3,
1999.

A Prospectus Supplement dated May 5, 1999 is included in Part A of this
Post-Effective Amendment.
<PAGE>

                           VARIABLE ANNUITY ACCOUNT B
                    Aetna Life Insurance and Annuity Company


       Supplement dated May 5, 1999 to the Prospectus dated May 3, 1999


             Aetna Variable Annuity--Group and Individual Deferred
                          Variable Annuity Contracts.


The information in this Supplement updates and amends certain information
contained in the Prospectus dated May 3, 1999. You should read this Supplement
along with the Prospectus.

The following information replaces the information about the three Mitchell
Hutchins portfolios contained in the Fund Expense Table on pages 8 and 9 of the
prospectus:


<TABLE>
<CAPTION>
                                           Fund Expense Table
                                                                     Total Fund                        Net Fund
                                                                       Annual                           Annual
                                                                      Expenses                         Expenses
                                         Investment                    Without         Total            After
                                          Advisory       Other       Waivers or     Waivers and        Waivers
                                            Fees(1)     Expenses     Reductions      Reductions     or Reductions
                                         ----------     --------    -----------     -----------     -------------
<S>                                         <C>           <C>           <C>             <C>              <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)4                          0.70%         0.59%         1.29%           0.25%            1.04%

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)4                          0.50%         0.70%         1.20%           0.25%            0.95%

Mitchell Hutchins Series Trust Small
 Cap Portfolio (Class I shares)4            1.00%         1.19%         2.19%           0.25%            1.94%
</TABLE>

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

1 Certain of the fund advisers reimburse the company for administrative costs
  incurred in connection with administering the funds as variable funding
  options under the contract. These reimbursements are generally paid out of the
  management fees and are not charged to investors. For the AIM Funds, the
  reimbursements may be paid out of the fund assets in an amount up to 0.25%
  annually. Any such reimbursements paid from the AIM Funds' assets are included
  in the "Other Expenses" column.

4 The "Other Expenses" and "Total Fund Annual Expenses" are estimated because
  there were no Class I shares outstanding as of December 31, 1998. The "Other
  Expenses" include an annual 0.25% fee imposed under a distribution plan
  pursuant to Rule 12b-1 under the Investment Company Act of 1940. This plan
  provides that each portfolio may pay to certain distributors of the portfolios
  a distribution fee at an annual rate of up to 0.25% of its average daily net
  assets attributable to its Class I shares. Mitchell Hutchins has voluntarily
  and temporarily agreed to waive the distribution fee, however, Mitchell
  Hutchins reserves the right to discontinue the waiver of the distribution fee
  at any time upon notice to shareholders.

X.AVAMH-99                                                             May, 1999
<PAGE>

The following hypothetical examples replace the expense information about the
three Mitchell Hutchins portfolios contained in the Hypothetical Examples on
pages 10 through 15 of the prospectus:

Hypothetical Example: Option Package I--For Contracts Other than ROTH IRA
Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
I (i.e., mortality and expense risk charge of 0.80%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------                
                                                                                   If at the end of the periods shown           
                                         If you withdraw your entire account       you (1) leave your entire account            
                                         value at the end of the periods           value invested or (2) select an              
                                         shown, you would pay the following        income phase payment option, you             
                                         expenses, including any applicable        would pay the following expenses             
                                         early withdrawal charge:                  (no early withdrawal charge is (reflected):* 
                                         1 Year   3 Years   5 Years   10 Years     1 Year   3 Years   5 Years   10 Years
                                         ------   -------   -------   --------     ------   -------   -------   --------
<S>                                       <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                         $86      $124      $157      $260         $23         $71    $121      $260

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                         $85      $121      $152      $251         $22         $68    $117      $251

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)     $95      $151      $201      $347         $32         $98    $166      $347
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>

Hypothetical Example: Option Package I--For ROTH IRA Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
I (i.e., mortality and expense risk charge of 0.80%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------
                                                                                   If at the end of the periods shown           
                                         If you withdraw your entire account       you (1) leave your entire account            
                                         value at the end of the periods           value invested or (2) select an              
                                         shown, you would pay the following        income phase payment option, you             
                                         expenses, including any applicable        would pay the following expenses             
                                         early withdrawal charge:                  (no early withdrawal charge is (reflected):* 
                                         1 Year   3 Years   5 Years   10 Years      1 Year   3 Years   5 Years   10 Years
                                         ------   -------   -------   --------      ------   -------   -------   --------
<S>                                       <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                         $59      $ 89      $121      $260         $23       $71      $121      $260

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                         $58      $ 86      $117      $251         $22       $68      $117      $251

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)     $68      $115      $166      $347         $32       $98      $166      $347
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>

Hypothetical Example: Option Package II--For Contracts Other than ROTH IRA
Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
II (i.e., mortality and expense risk charge of 1.10%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------
                                                                                 If at the end of the periods shown           
                                        If you withdraw your entire account      you (1) leave your entire account            
                                        value at the end of the periods          value invested or (2) select an              
                                        shown, you would pay the following       income phase payment option, you             
                                        expenses, including any applicable       would pay the following expenses             
                                        early withdrawal charge:                 (no early withdrawal charge is (reflected):* 
                                        1 Year   3 Years  5 Years   10 Years     1 Year   3 Years   5 Years   10 Years
                                        ------   -------  --------  --------     ------   -------   -------   --------
<S>                                       <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                         $89      $133      $172      $290         $26      $ 80      $136      $290

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                         $88      $131      $167      $281         $25      $ 77      $132      $281

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)     $98      $160      $216      $374         $35      $106      $180      $374
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>

Hypothetical Example: Option Package II--For ROTH IRA Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
I (i.e., mortality and expense risk charge of 1.10%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------
                                                                                   If at the end of the periods shown           
                                         If you withdraw your entire account       you (1) leave your entire account            
                                         value at the end of the periods           value invested or (2) select an              
                                         shown, you would pay the following        income phase payment option, you             
                                         expenses, including any applicable        would pay the following expenses             
                                         early withdrawal charge:                  (no early withdrawal charge is (reflected):* 
                                         1 Year   3 Years   5 Years   10 Years     1 Year   3 Years   5 Years   10 Years
                                         ------   -------   -------   --------     ------   -------   -------   --------
<S>                                       <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                         $62      $ 98      $136      $290         $26      $ 80      $136      $290

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                         $61      $ 95      $132      $281         $25      $ 77      $132      $281

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)     $71      $124      $180      $374         $35      $106      $180      $374
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>

Hypothetical Example: Option Package III--For Contracts Other than ROTH IRA
Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
III (i.e., mortality and expense risk charge of 1.25%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------
                                                                                   If at the end of the periods shown           
                                         If you withdraw your entire account       you (1) leave your entire account            
                                         value at the end of the periods           value invested or (2) select an              
                                         shown, you would pay the following        income phase payment option, you             
                                         expenses, including any applicable        would pay the following expenses             
                                         early withdrawal charge:                  (no early withdrawal charge is (reflected):* 
                                         1 Year   3 Years   5 Years   10 Years     1 Year   3 Years   5 Years   10 Years
                                         ------   -------   -------   --------     ------   -------   -------   --------
<S>                                         <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                           $90      $138      $179      $304         $27      $ 84      $144      $304

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                           $89      $135      $175      $296         $27      $ 82      $139      $296

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)       $99      $164      $223      $387         $36      $111      $187      $387
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>

Hypothetical Example: Option Package III--For ROTH IRA Contracts

Account Fees You May Incur Over Time. The following hypothetical examples show
the fees and expenses paid over time if you invest $1,000 in the contract and
assume a 5% annual return on the investment. For the purpose of these examples,
we deducted total annual fund expenses, the maximum charges under Option Package
III (i.e., mortality and expense risk charge of 1.25%, an administrative expense
charge of 0.15% annually and a maximum Annual Maintenance Fee of $30 (converted
to a percentage of assets equal to 0.022%)). The total annual fund expenses used
are those shown in the column "Total Annual Expenses Without Waiver or
Reductions" in the Fund Expense Table.

> These examples are purely hypothetical

> They should not be considered a representation of past or future expenses or
  expected returns 

> Actual expenses and/or returns may be more or less than those shown in these 
  examples

<TABLE>
<CAPTION>
                                                         Example A                              Example B
                                                         ---------                              ---------
                                                                                   If at the end of the periods shown           
                                         If you withdraw your entire account       you (1) leave your entire account            
                                         value at the end of the periods           value invested or (2) select an              
                                         shown, you would pay the following        income phase payment option, you             
                                         expenses, including any applicable        would pay the following expenses             
                                         early withdrawal charge:                  (no early withdrawal charge is (reflected):* 
                                         1 Year   3 Years   5 Years   10 Years     1 Year   3 Years   5 Years   10 Years
                                         -------- --------- --------- ----------   -------- --------- --------- ---------
<S>                                       <C>      <C>       <C>       <C>          <C>      <C>       <C>       <C>
Mitchell Hutchins Series Trust
 Growth and Income Portfolio
 (Class I shares)                         $63      $102      $144      $304         $27      $ 84      $144      $304

Mitchell Hutchins Series Trust
 Tactical Allocation Portfolio
 (Class I shares)                         $62      $ 99      $139      $296         $27      $ 82      $139      $296

Mitchell Hutchins Series Trust
 Small Cap Portfolio (Class I shares)     $72      $129      $187      $387         $36      $111      $187      $387
</TABLE>

- -----------------------
* This example does not apply during the income phase if you select a
  nonlifetime payment option with variable payments and take a lump-sum
  withdrawal within three years after payments start. In this case, the lump-sum
  payment is treated as a withdrawal during the accumulation phase and may be
  subject to an early withdrawal charge (refer to Example A).
<PAGE>


































X.AVAMH-99                                                      May, 1999
<PAGE>

                           VARIABLE ANNUITY ACCOUNT B
                           PART C - OTHER INFORMATION

Item 24. Financial Statements and Exhibits
     (a) Financial Statements:
         (1)      Included in Part A:
                  Condensed Financial Information
         (2)      Included in Part B:
                  Financial Statements of Variable Annuity Account B:
                  - Statement of Assets and Liabilities as of December 31, 1998
                  - Statements of Operations and Changes in Net Assets for the 
                    years ended December 31, 1998 and 1997
                  - Condensed Financial Information for the year ended December
                    31, 1998
                  - Notes to Financial Statements
                  - Independent Auditors' Report
                  Financial Statements of the Depositor:
                  - Independent Auditors' Report
                  - Consolidated Statements of Income for the years ended
                    December 31, 1998, 1997 and 1996
                  - Consolidated Balance Sheets as of December 31, 1998 and 1997
                  - Consolidated Statements of Changes in Shareholder's Equity
                    for the years ended December 31, 1998, 1997 and 1996
                  - Consolidated Statements of Cash Flows for the years ended
                    December 31, 1998, 1997 and 1996
                  - Notes to Consolidated Financial Statements

     (b)  Exhibits
         (1)      Resolution of the Board of Directors of Aetna Life Insurance
                  and Annuity Company establishing Variable Annuity Account B(1)
         (2)      Not applicable
         (3.1)    Broker-Dealer Agreement(2)
         (3.2)    Alternative Form of Wholesaling Agreement and Related Selling
                  Agreement(3)
         (4.1)    Variable Annuity Contract (GM-VA-98)(2)
         (4.2)    Variable Annuity Contract Certificate (GMC-VA-98)(2)
         (4.3)    Endorsement (EVAGET98) to Variable Annuity Contract GM-VA-98
                  and Variable Annuity Contract Certificate GMC-VA-98)(4)
         (4.4)    Endorsement (EGET-99) to Variable Annuity Contract GM-VA-98
                  and Variable Annuity Contract Certificate GMC-VA-98(5)
         (5)      Variable Annuity Contract Application(9.5.89-6(9/98))(6)
         (6.1)    Certificate of Incorporation of Aetna Life Insurance and
                  Annuity Company(7)
         (6.2)    Amendment of Certificate of Incorporation of Aetna Life
                  Insurance and Annuity Company(8)
<PAGE>


         (6.3)    By-Laws as amended September 17, 1997 of Aetna Life Insurance
                  and Annuity Company(9)
         (7)      Not applicable
         (8.1)    Fund Participation Agreement between Aetna Life Insurance and
                  Annuity Company and AIM dated June 30, 1998(6)
         (8.2)    Service Agreement between Aetna Life Insurance and Annuity
                  Company and AIM effective June 30, 1998(6)
         (8.3)    Fund Participation Agreement by and among Aetna Life Insurance
                  and Annuity Company and Aetna Variable Fund, Aetna Variable
                  Encore Fund, Aetna Income Shares, Aetna Balanced VP, Inc.,
                  Aetna GET Fund on behalf of each of its series, Aetna
                  Generation Portfolios, Inc. on behalf of each of its series,
                  Aetna Variable Portfolios, Inc. on behalf of each of its
                  series, and Aeltus Investment Management, Inc. dated as of May
                  1, 1998(2)
         (8.4)    Amendment dated November 9, 1998 to Fund Participation
                  Agreement by and among Aetna Life Insurance and Annuity
                  Company and Aetna Variable Fund, Aetna Variable Encore Fund,
                  Aetna Income Shares, Aetna Balanced VP, Inc., Aetna GET Fund
                  on behalf of each of its series, Aetna Generation Portfolios,
                  Inc. on behalf of each of its series, Aetna Variable
                  Portfolios, Inc. on behalf of each of its series, and Aeltus
                  Investment Management, Inc. dated as of May 1, 1998(10)
         (8.5)    Service Agreement between Aeltus Investment Management, Inc.
                  and Aetna Life Insurance and Annuity Company in connection
                  with the sale of shares of Aetna Variable Fund, Aetna Variable
                  Encore Fund, Aetna Income Shares, Aetna Balanced VP, Inc.,
                  Aetna GET Fund on behalf of each of its series, Aetna
                  Generation Portfolios, Inc. on behalf of each of its series,
                  and Aetna Variable Portfolios, Inc. on behalf of each of its
                  series dated as of May 1, 1998(2)
         (8.6)    Amendment dated November 4, 1998 to Service Agreement between
                  Aeltus Investment Management, Inc. and Aetna Life Insurance
                  and Annuity Company in connection with the sale of shares of
                  Aetna Variable Fund, Aetna Variable Encore Fund, Aetna Income
                  Shares, Aetna Balanced VP, Inc., Aetna GET Fund on behalf of
                  each of its series, Aetna Generation Portfolios, Inc. on
                  behalf of each of its series and Aetna Variable Portfolios,
                  Inc. on behalf of each of its series dated as of May 1,
                  1998(10)
         (8.7)    Fund Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund and Fidelity
                  Distributors Corporation dated February 1, 1994 and amended on
                  December 15, 1994, February 1, 1995, May 1, 1995, January 1,
                  1996 and March 1, 1996(8)
         (8.8)    Fifth Amendment dated as of May 1, 1997 to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund and Fidelity
                  Distributors Corporation dated February 1, 1994 and amended on
                  December 15, 1994, February 1, 1995, May 1, 1995, January 1,
                  1996 and March 1, 1996(11)
<PAGE>


         (8.9)    Sixth Amendment dated November 6, 1997 to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund and Fidelity
                  Distributors Corporation dated February 1, 1994 and amended on
                  December 15, 1994, February 1, 1995, May 1, 1995, January 1,
                  1996, March 1, 1996 and May 1, 1997(12)
         (8.10)   Seventh Amendment dated as of May 1, 1998 to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund and Fidelity
                  Distributors Corporation dated February 1, 1994 and amended on
                  December 15, 1994, February 1, 1995, May 1, 1995, January 1,
                  1996, March 1, 1996, May 1, 1997 and November 6, 1997(2)
         (8.11)   Fund Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund II and
                  Fidelity Distributors Corporation dated February 1, 1994 and
                  amended on December 15, 1994, February 1, 1995, May 1, 1995,
                  January 1, 1996 and March 1, 1996(8)
         (8.12)   Fifth Amendment, dated as of May 1, 1997, to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund II and
                  Fidelity Distributors Corporation dated February 1, 1994 and
                  amended on December 15, 1994, February 1, 1995, May 1, 1995,
                  January 1, 1996 and March 1, 1996(11)
         (8.13)   Sixth Amendment dated as of January 20, 1998 to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund II and
                  Fidelity Distributors Corporation dated February 1, 1994 and
                  amended on December 15, 1994, February 1, 1995, May 1, 1995,
                  January 1, 1996, March 1, 1996 and May 1, 1997(13)
         (8.14)   Seventh Amendment dated as of May 1, 1998 to the Fund
                  Participation Agreement between Aetna Life Insurance and
                  Annuity Company, Variable Insurance Products Fund II and
                  Fidelity Distributors Corporation dated February 1, 1994 and
                  amended on December 15, 1994, February 1, 1995, May 1, 1995,
                  January 1, 1996, March 1, 1996, May 1, 1997 and January 20,
                  1998(2)
         (8.15)   Service Agreement between Aetna Life Insurance and Annuity
                  Company and Fidelity Investments Institutional Operations
                  Company dated as of November 1, 1995(12)
         (8.16)   Amendment dated January 1, 1997 to Service Agreement between
                  Aetna Life Insurance and Annuity Company and Fidelity
                  Investments Institutional Operations Company dated as of
                  November 1, 1995(11)
         (8.17)   Service Contract between Fidelity Distributors Corporation and
                  Aetna Life Insurance and Annuity Company dated May 2, 1997(10)
         (8.18)   Fund Participation Agreement among Janus Aspen Series and
                  Aetna Life Insurance and Annuity Company and Janus Capital
                  Corporation dated December 8, 1997(13)
         (8.19)   Amendment dated October 12, 1998 to Fund Participation
                  Agreement among Janus Aspen Series and Aetna Life Insurance
                  and Annuity Company and Janus Capital Corporation dated
                  December 8, 1997(10)
<PAGE>


         (8.20)   Service Agreement between Janus Capital Corporation and Aetna
                  Life Insurance and Annuity Company
                  dated December 8, 1997(15)
         (8.21)   Fund Participation Agreement among MFS Variable Insurance
                  Trust, Aetna Life Insurance and Annuity Company and
                  Massachusetts Financial Services Company dated April 30, 1996,
                  and amended on September 3, 1996, March 14, 1997 and November
                  28, 1997(2)
         (8.22)   Fourth Amendment dated May 1, 1998 to the Fund Participation
                  Agreement by and among MFS Variable Insurance Trust, Aetna
                  Life Insurance and Annuity Company and Massachusetts Financial
                  Services Company dated April 30, 1996, and amended on
                  September 3, 1996, March 14, 1997 and November 28, 1997(6)
         (8.23)   Fifth Amendment to Fund Participation Agreement by and among
                  MFS Variable Insurance Trust, Aetna Life Insurance and Annuity
                  Company and Massachusetts Financial Services Company dated
                  April 30, 1996, and amended on September 3, 1996, March 14,
                  1997 and November 28, 1997(16)
         (8.24)   Form of Fund Participation Agreement between Aetna Life
                  Insurance and Annuity Company, Mitchell Hutchins Series Trust,
                  and Mitchell Hutchins Asset Management, Inc.
         (8.25)   Form of Service Agreement between Mitchell Hutchins Asset
                  Management, Inc. and Aetna Life Insurance and Annuity Company.
         (8.26)   Fund Participation Agreement dated March 11, 1997 between
                  Aetna Life Insurance and Annuity Company and Oppenheimer
                  Variable Annuity Account Funds and Oppenheimer Funds, Inc.(17)
         (8.27)   Service Agreement effective as of March 11, 1997 between
                  Oppenheimer Funds, Inc. and Aetna Life Insurance and Annuity
                  Company(17)
         (9)      Opinion and Consent of Counsel
         (10)     Consent of Independent Auditors
         (11)     Not applicable
         (12)     Not applicable
         (13)     Schedule for Computation of Performance Data(6)
         (14)     Not applicable
         (15.1)   Powers of Attorney(18)
         (15.2)   Authorization for Signatures(3)

1.   Incorporated by reference to Post-Effective Amendment No. 6 to Registration
     Statement on Form N-4 (File No. 33-75986), as filed on April 22, 1996.
2.   Incorporated by reference to Registration Statement on Form N-4 (File No.
     333-56297), as filed on June 8, 1998.
3.   Incorporated by reference to Post-Effective Amendment No. 5 to Registration
     Statement on Form N-4 (File No. 33-75986), as filed on April 12, 1996.
4.   Incorporated by reference to Post-Effective Amendment No. 1 to Registration
     Statement on Form N-4 (File No. 333-56297), as filed on September 14, 1998.
<PAGE>


5.   Incorporated by reference to Post-Effective Amendment No. 13 to
     Registration Statement on Form N-4 (File No. 333-01107), as filed on April
     7, 1999.
6.   Incorporated by reference to Pre-Effective Amendment No. 1 to Registration
     Statement on Form N-4 (File No. 333-56297), as filed on August 4, 1998.
7.   Incorporated by reference to Post-Effective Amendment No. 1 to Registration
     Statement on Form S-1 (File No. 33-60477), as filed on April 15, 1996.
8.   Incorporated by reference to Post-Effective Amendment No. 12 to
     Registration Statement on Form N-4 (File No. 33-75964), as filed on
     February 11, 1997.
9.   Incorporated by reference to Post-Effective Amendment No. 12 to
     Registration Statement on Form N-4 (File No. 33-91846), as filed on October
     30, 1997.
10.  Incorporated by reference to Post-Effective Amendment No. 2 to Registration
     Statement on Form N-4 (File No. 333-56297), as filed on December 14, 1998.
11.  Incorporated by reference to Post-Effective Amendment No. 30 to
     Registration Statement on Form N-4 (File No. 33-34370), as filed on
     September 29, 1997.
12.  Incorporated by reference to Post-Effective Amendment No. 16 to
     Registration Statement on Form N-4 (File No. 33-75964), as filed on
     February 9, 1998.
13.  Incorporated by Reference to Post-Effective Amendment No. 7 to Registration
     Statement on Form S-6 (File No. 33-75248), as filed on February 24, 1998.
14.  Incorporated by reference to Post-Effective Amendment No. 3 to Registration
     Statement on Form N-4 (File No. 33-88720), as filed on June 28, 1996.
15.  Incorporated by reference to Post-Effective Amendment No. 10 to
     Registration Statement on Form N-4 (File No. 33-75992), as filed on
     December 31, 1997.
16.  Incorporated by reference to Post-Effective Amendment No. 4 to Registration
     Statement on Form N-4 (File No. 333-56297), as filed on February 16, 1999.
17.  Incorporated by reference to Post-Effective Amendment No. 27 to
     Registration Statement on Form N-4 (File No. 33-34370), as filed on April
     16, 1997.
18.  Incorporated by reference to Post-Effective Amendment No. 5 to Registration
     Statement on Form No. 4 (File No. 333-56297), as filed on February 25,
     1999.
<PAGE>


Item 25. Directors and Officers of the Depositor

<TABLE>
<CAPTION>
<S>                                      <C>>
Name and Principal
Business Address*                        Positions and Offices with Depositor

Thomas J. McInerney                      Director and President

Shaun P. Mathews                         Director and Senior Vice President

Catherine H. Smith                       Director, Chief Financial Officer and Senior Vice
                                         President

Deborah Koltenuk                         Vice President, Treasurer and Corporate Controller

Therese M. Squillacote                   Vice President and Chief Compliance Officer

Kirk P. Wickman                          Senior Vice President, General Counsel and Corporate
                                         Secretary
</TABLE>


*  The principal business address of all directors and officers listed is 151
   Farmington Avenue, Hartford, Connecticut 06156.


Item 26. Persons Controlled by or Under Common Control with the Depositor or 
Registrant

     Incorporated herein by reference to Item 24 of Post-Effective Amendment No.
14 to Registration Statement on Form N-1A (File No. 33-12723), as filed on March
10, 1999.

Item 27. Number of Contract Owners

     As of March 31, 1999, there were 79,388 individuals holding interests in
variable annuity contracts funded through Variable Annuity Account B.

Item 28. Indemnification

Section 21 of Public Act No. 97-246 of the Connecticut General Assembly (the
"Act") provides that a corporation may provide indemnification of or advance
expenses to a director, officer, employee or agent only as permitted by Sections
33-770 to 33-778, inclusive, of the Connecticut General Statutes, as amended by
Sections 12 to 20, inclusive, of this Act. Reference is hereby made to Section
33-771(e) of the Connecticut General Statutes ("CGS") regarding indemnification
of directors and Section 33-776(d) of CGS regarding indemnification of officers,
employees and agents of Connecticut corporations. These statutes provide in
general that Connecticut corporations incorporated prior to January 1, 1997
shall, except to the extent that their certificate of incorporation expressly
provides otherwise, indemnify their directors, officers, employees and agents
against "liability" (defined as the obligation to pay a judgment, settlement,
<PAGE>


penalty, fine, including an excise tax assessed with respect to an employee
benefit plan, or reasonable expenses incurred with respect to a proceeding) when
(1) a determination is made pursuant to Section 33-775 that the party seeking
indemnification has met the standard of conduct set forth in Section 33-771 or
(2) a court has determined that indemnification is appropriate pursuant to
Section 33-774. Under Section 33-775, the determination of and the authorization
for indemnification are made (a) by the disinterested directors, as defined in
Section 33-770(3); (b) by special counsel; (c) by the shareholders; or (d) in
the case of indemnification of an officer, agent or employee of the corporation,
by the general counsel of the corporation or such other officer(s) as the board
of directors may specify. Also, Section 33-772 provides that a corporation shall
indemnify an individual who was wholly successful on the merits or otherwise
against reasonable expenses incurred by him in connection with a proceeding to
which he was a party because he was a director of the corporation. In the case
of a proceeding by or in the right of the corporation or with respect to conduct
for which the director, officer, agent or employee was adjudged liable on the
basis that he received a financial benefit to which he was not entitled,
indemnification is limited to reasonable expenses incurred in connection with
the proceeding against the corporation to which the individual was named a
party.

The statute does specifically authorize a corporation to procure indemnification
insurance on behalf of an individual who was a director, officer, employer or
agent of the corporation. Consistent with the statute, Aetna Inc. has procured
insurance from Lloyd's of London and several major United States excess insurers
for its directors and officers and the directors and officers of its
subsidiaries, including the Depositor.

Item 29. Principal Underwriter

     (a) In addition to serving as the principal underwriter and depositor for
         the Registrant, Aetna Life Insurance and Annuity Company (Aetna) also
         acts as the principal underwriter, only, for Aetna Variable Encore
         Fund, Aetna Variable Fund, Aetna Generation Portfolios, Inc., Aetna
         Income Shares, Aetna Balanced VP, Inc. (formerly Aetna Investment
         Advisers Fund, Inc.), Aetna GET Fund, and Aetna Variable Portfolios,
         Inc. and as the principal underwriter and investment adviser for
         Portfolio Partners, Inc. (all management investment companies
         registered under the Investment Company Act of 1940 (1940 Act)).
         Additionally, Aetna acts as the principal underwriter and depositor for
         Variable Life Account B of Aetna, Variable Annuity Account C of Aetna
         and Variable Annuity Account G of Aetna (separate accounts of Aetna
         registered as unit investment trusts under the 1940 Act). Aetna is also
         the principal underwriter for Variable Annuity Account I of Aetna
         Insurance Company of America (AICA) (a separate account of AICA
         registered as a unit investment trust under the 1940 Act).

     (b) See Item 25 regarding the Depositor.
<PAGE>


     (c) Compensation as of December 31, 1998:

<TABLE>
<CAPTION>
    (1)                       (2)                         (3)                (4)                 (5)
<S>                      <C>                        <C>                   <C>                 <C>
Name of                  Net Underwriting           Compensation on
Principal                Discounts and              Redemption or         Brokerage
Underwriter              Commissions                Annuitization         Commissions         Compensation*

Aetna Life                                             $684,000                                $42,930,000
Insurance and
Annuity
Company
</TABLE>

*    Compensation shown in column 5 includes deductions for mortality and
     expense risk guarantees and contract charges assessed to cover costs
     incurred in the sales and administration of the contracts issued under
     Variable Annuity Account B.

Item 30. Location of Accounts and Records

     All accounts, books and other documents required to be maintained by
Section 31(a) of the 1940 Act and the rules under it relating to the securities
described in and issued under this Registration Statement are located at the
home office of the Depositor as follows:

                      Aetna Life Insurance and Annuity Company
                      151 Farmington Avenue
                      Hartford, Connecticut  06156

Item 31. Management Services

     Not applicable

Item 32. Undertakings

     Registrant hereby undertakes:

     (a) to file a post-effective amendment to this registration statement on
         Form N-4 as frequently as is necessary to ensure that the audited
         financial statements in the registration statement are never more than
         sixteen months old for as long as payments under the variable annuity
         contracts may be accepted;

     (b) to include as part of any application to purchase a contract offered by
         a prospectus which is part of this registration statement on Form N-4,
         a space that an applicant can check to request a Statement of
         Additional Information; and
<PAGE>

     (c) to deliver any Statement of Additional Information and any financial
         statements required to be made available under this Form N-4 promptly
         upon written or oral request.

     (d) The Company hereby represents that it is relying upon and will comply
         with the provisions of Paragraphs (1) through (4) of the SEC Staff's
         No-Action Letter dated November 28, 1988 with respect to language
         concerning withdrawal restrictions applicable to plans established
         pursuant to Section 403(b) of the Internal Revenue Code. See American
         Counsel of Life Insurance; SEC No-Action Letter, [1988 WL 235221, *13
         (S.E.C.)].

     (e) Insofar as indemnification for liability 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  ndemnification 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 of whether
         such indemnification by it is against public policy as expressed in the
         Act and will be governed by the final adjudication of such issue.

     (f) Aetna Life Insurance and Annuity Company represents that the fees and
         charges deducted under the contracts covered by this registration
         statement, in the aggregate, are reasonable in relation to the services
         rendered, the expenses expected to be incurred, and the risks assumed
         by the insurance company.
<PAGE>


                                   SIGNATURES

     As required by the Securities Act of 1933 and the Investment Company Act of
1940, the Registrant, Variable Annuity Account B of Aetna Life Insurance and
Annuity Company, certifies that it meets the requirements of Securities Act Rule
485(b) for effectiveness of this Post-Effective Amendment to its Registration
Statement on Form N-4 (File No.333-56297) and has duly caused this
Post-Effective Amendment to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Hartford, State of Connecticut, on the
5th day of May, 1999.

                                       VARIABLE ANNUITY ACCOUNT B OF AETNA
                                       LIFE INSURANCE AND ANNUITY COMPANY
                                         (Registrant)

                                By:    AETNA LIFE INSURANCE AND ANNUITY COMPANY
                                         (Depositor)

                                By:    Thomas J. McInerney*
                                       -----------------------------------------
                                       Thomas J. McInerney
                                          President

     As required by the Securities Act of 1933, this Post-Effective Amendment
No. 7 to the Registration Statement on Form N-4 (File No.333-56297) has been
signed by the following persons in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
Signature                              Title                                                                  Date
<S>                                    <C>                                                            <C>
Thomas J. McInerney*                   Director and President                                         )
- -------------------------------------  (principal executive officer)                                  )
Thomas J. McInerney                                                                                   )
                                                                                                      )
Shaun P. Mathews*                       Director                                                      )   May
- -------------------------------------                                                                 )
Shaun P. Mathews                                                                                      )    5, 1999
                                                                                                      )
Catherine H. Smith*                     Director and Chief Financial Officer                          )
- -------------------------------------                                                                 )
Catherine H. Smith                                                                                    )
                                                                                                      )
Deborah Koltenuk*                      Vice President, Treasurer and Corporate Controller             )
- -------------------------------------
Deborah Koltenuk                                                                                      )

By:       /s/  J. Neil McMurdie
          ------------------------------------------------------------
          J. Neil McMurdie
          *Attorney-in-Fact
</TABLE>
<PAGE>


                           VARIABLE ANNUITY ACCOUNT B
                                  Exhibit Index
<TABLE>
<CAPTION>
Exhibit No.             Exhibit
<S>                     <C>                                                                                 <C>
99-B.8.24               Form of Fund Participation Agreement between Aetna Life Insurance and Annuity
                        Company, Mitchell Hutchins Series Trust, and Mitchell Hutchins Asset Management,
                        Inc.
                                                                                                            ------------

99-B.8.25               Form of Service Agreement between Mitchell Hutchins Assets Management, Inc. and
                        Aetna Life Insurance and Annuity Company
                                                                                                            ------------

99-B.9                  Opinion and Consent of Counsel
                                                                                                            ------------

99-B.10                 Consent of Independent Auditors
                                                                                                            ------------
</TABLE>


                                  Ex. 99-B.8.24

                                     FORM OF
                          FUND PARTICIPATION AGREEMENT
                                     between
                                 FUND and ALIAC

       Aetna Life Insurance and Annuity Company (the "Company"), Mitchell
Hutchins Series Trust (the "Fund") and Mitchell Hutchins Asset Management, Inc.
(the "Adviser") hereby agree to an arrangement whereby the Fund shall be made
available to serve as underlying investment media for Variable Annuity or
Variable Life Contracts ("Contracts") to be issued by the Company.

1.     Establishment of Accounts; Availability of Fund.

       (a)    The Company represents that it has established Variable Annuity
              Accounts B, C, D and Variable Life Account B and may establish
              such other accounts as may be set forth in Schedule A attached
              hereto and as may be amended from time to time with the mutual
              consent of the parties hereto (the "Accounts"), each of which is a
              separate account under Connecticut Insurance law, and has
              registered or will register each of the Accounts (except for such
              Accounts for which no such registration is required) as a unit
              investment trust under the Investment Company Act of 1940 (the
              "1940 Act"), to serve as an investment vehicle for the Contracts.
              Each Contract provides for the allocation of net amounts received
              by the Company to an Account for investment in the shares of one
              of more specified open-end management investment companies
              available through that Account as underlying investment media.
              Selection of a particular investment management company and
              changes therein from time to time are made by the participant or
              Contract owner, as applicable under a particular Contract.

       (b)    The Fund represents and warrants that the investments of the
              series of the Fund (each designated a "Portfolio") specified in
              Schedule B attached hereto (as may be amended from time to time
              with the mutual consent of the parties hereto) will at all times
              be adequately diversified within the meaning of Section 817(h) of
              the Internal Revenue Service Code of 1986, as amended (the
              "Code"), and the Regulations thereunder, and that at all times
              while this agreement is in effect, all beneficial interests will
              be owned by one or more insurance companies or by any other party
              permitted under Section 1.817-5(f)(3) of the Regulations
              promulgated under the Code or by the successor thereto, or by any
              other party permitted under a Revenue Ruling or private letter
              ruling granted by the Internal Revenue Service.

2.     Pricing Information; Orders; Settlement.

       (a)    The Fund will make Fund shares available to be purchased by the
              Company, and will accept redemption orders from the Company, on
              behalf of each Account at the net asset value applicable to each
              order on those days on which the Fund calculates its net asset
              value (a "Business Day"). Fund shares shall be purchased and
              redeemed in such


                                       1

<PAGE>


              quantity and at such time determined by the Company to be
              necessary to meet the requirements of those Contracts for which
              the Fund serve as underlying investment media, provided, however,
              that the Board of Trustees of the Fund (hereinafter the
              "Trustees") may upon reasonable notice to the Company, refuse to
              sell shares of any Portfolio to any person, or suspend or
              terminate the offering of shares of any Portfolio if such action
              is required by law or by regulatory authorities having
              jurisdiction or is, in the sole discretion of the Trustees, acting
              in good faith and in the best interests of the shareholders of any
              Portfolio and is acting in compliance with their fiduciary
              obligations under federal and/or any applicable state laws.

       (b)    The Fund will provide to the Company closing net asset value,
              dividend and capital gain information at the close of trading each
              day that the New York Stock Exchange (the "Exchange" is open (each
              such day a "Business Day"), and in no event later than 7:00 p.m.
              Eastern Standard time on such Business Day. The Company will send
              via facsimile or electronic transmission to the Fund or its
              specified agent orders to purchase and/or redeem Fund shares by
              10:00 a.m. Eastern Standard Time the following business day.
              Payment for net purchases will be wired by the Company to an
              account designated by the Fund to coincide with the order for
              shares of the Fund.

       (c)    The Fund hereby appoints the Company as its agent for the limited
              purpose of accepting purchase and redemption orders for Fund
              shares relating to the Contracts from Contract owners or
              participants. Orders from Contract owners or participants received
              from any distributor of the Contracts (including affiliates of the
              Company) by the Company, acting as agent for the Fund, prior to
              the close of the Exchange on any given business day will be
              executed by the Fund at the net asset value determined as of the
              close of the Exchange on such Business Day, provided that the Fund
              receives written (or facsimile) notice of such order by 10 a.m.
              Eastern Standard Time on the next following Business Day. Any
              orders received by the Company acting as agent on such day but
              after the close of the Exchange will be executed by the Fund at
              the net asset value determined as of the close of the Exchange on
              the next business day following the day of receipt of such order,
              provided that the Fund receives written (or facsimile) notice of
              such order by 10 a.m. Eastern Standard Time within two days
              following the day of receipt of such order.

       (d)    Payments for net redemptions of shares of the Fund will be wired
              by the Fund to an account designated by the Company. Payments for
              net purchases of the Fund will be wired by the Company to an
              account designated by the Fund on the same Business Day the
              Company places an order to purchase Fund shares. Payments shall be
              in federal funds transmitted by wire.

       (e)    Each party has the right to rely on information or confirmations
              provided by the other party (or by any affiliate of the other
              party), and shall not be liable in the event that an error is a
              result of any misinformation supplied by the other party.

       (f)    The Company agrees to purchase and redeem the shares of the
              Portfolios named in Schedule B offered by the then current
              prospectus and statement of additional information of the Fund in
              accordance with the provisions of such prospectus and


                                       2

<PAGE>


              statement of additional information. The Company shall not permit
              any person other than a Contract owner or Participant to give
              instructions to the Company which would require the Company to
              redeem or exchange shares of the Fund. This provision shall not be
              construed to prohibit the Company from substituting shares of
              another fund, as permitted by law.

3.     Expenses.

       (a)    Except as otherwise provided in this Agreement, all expenses
              incident to the performance by the Fund under this Agreement shall
              be paid by the Fund, including the cost of registration of Fund
              shares with the Securities and Exchange Commission (the "SEC") and
              in states where required. The Fund and Adviser shall pay no fee or
              other compensation to the Company under this Agreement, and the
              Company shall pay no fee or other compensation to the Fund or
              Adviser, except as provided herein and in Schedule C 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. All
              expenses incident to performance by each party of its respective
              duties under this Agreement shall be paid by that party, unless
              otherwise specified in this Agreement.

       (b)    The Fund or the Adviser shall provide to the Company PostScript
              files of periodic fund reports to shareholders and other materials
              that are required by law to be sent to Contract owners. In
              addition, the Fund or the Adviser shall provide the Company with a
              sufficient quantity of its prospectuses, statements of additional
              information and any supplements to any of these materials, to be
              used in connection with the offerings and transactions
              contemplated by this Agreement. In addition, the Fund shall
              provide the Company with a sufficient quantity of its proxy
              material that is required to be sent to Contract owners. The
              Adviser shall be permitted to review and approve the typeset form
              of such material prior to such printing provided such material has
              been provided by the Adviser to the Company within a reasonable
              period of time prior to typesetting.

       (c)    In lieu of the Fund's or Adviser's providing printed copies of
              prospectuses, statements of additional information and any
              supplements to any of these materials, and periodic fund reports
              to shareholders, the Company shall have the right to request that
              the Fund transmit a copy of such materials in an electronic format
              (Post Script files), which the Company may use to have such
              materials printed together with similar materials of other Account
              funding media that the Company or any distributor will distribute
              to existing or prospective Contract owners or participants.

4.     Representations.

       The Company agrees that it and its agents shall not, without the written
consent of the Fund or the Adviser, make representations concerning the Fund,
its shares, or the Adviser except those contained in the then current
prospectuses and in current printed sales literature approved by or deemed
approved by the Fund or the Adviser if the Fund or Adviser does not respond
within 5 days of receiving written copy of such materials.


                                       3

<PAGE>


       (a)    The Company represents and warrants that it is an insurance
              company duly organized and in good standing under the laws of the
              state of its incorporation and that it has legally and validly
              established each Contract and Account.

       (b)    The Company represents and warrants that it has registered or,
              prior to any issuance or sale of the Contracts, will register each
              Account as a unit investment trust ("UII") in accordance with the
              provisions of the 1940 Act and cause each Account to remain so
              registered to serve as a segregated asset account for the
              Contracts unless an exemption from registration is available.

       (c)    The Company represents and warrants that the Contracts will be
              registered under the 1933 Act unless an exemption from
              registration is available prior to any issuance or sale of the
              Contracts and that the Company will use its best efforts to ensure
              that the Contracts will be issued and sold in compliance in all
              material respects with applicable federal and state laws and
              further that the sale of the Contracts shall comply in all
              material respects with state insurance law suitability
              requirements.

       (d)    The Company represents and warrants that the Contracts are
              currently and at the time of issuance will be treated as life
              insurance, endowment or annuity contracts under applicable
              provisions of the Code, and that it will notify the Fund
              immediately upon having a reasonable basis for believing that the
              Contracts have ceased to be so treated or that they might not be
              so treated in the future.

5.     Termination.

       This agreement shall terminate as to the sale and issuance of new
Contracts:

       (a)    at the option of either the Company, the Adviser or the Fund, upon
              sixty days advance written notice to the other parties;

       (b)    at the option of the Company, upon one week advance written notice
              to the Adviser and the Fund, if Fund shares are not available for
              any reason to meet the requirement of Contracts as determined by
              the Company. Reasonable advance notice of election to terminate
              shall be furnished by Company;

       (c)    at the option of either the Company, the Adviser or the Fund,
              immediately upon institution of formal proceedings against the
              broker-dealer or broker-dealers marketing the Contracts, the
              Account, the Company, the Fund or the Adviser by the National
              Association of Securities Dealers, Inc. (the "NASD"), the SEC or
              any other regulatory body;

       (d)    upon the determination of the Accounts to substitute for the
              Fund's shares the shares of another investment company in
              accordance with the terms of the applicable Contracts. The Company
              will give 60 days written notice to the Fund and the Adviser of
              any decision to replace the Fund's' shares;


                                       4

<PAGE>


       (e)    upon assignment of this Agreement, unless made with the written
              consent of all other parties hereto;

       (f)    if Fund shares are not registered, issued or sold in conformance
              with Federal law or such law precludes the use of Fund shares as
              an underlying investment medium for Contracts issued or to be
              issued by the Company. Prompt notice shall be given by the
              appropriate party should such situation occur.

       (g)    In the event the Contracts cease to qualify as annuity contracts
              or life insurance contracts, as applicable under the Code or the
              Fund reasonably believes that the Contracts may fail to so
              qualify, the Fund may terminate this Agreement effective upon
              giving notice to the Company.

       (h)    At the option of any Party, upon a Party's breach of any material
              provision of this Agreement, which breach has not been cured to
              the satisfaction of the other Party within 20 days after written
              notice of such breach is delivered to the other Party.

       (i)    At the option of the Fund, if the Contracts are not registered,
              issued or sold in all material respects in accordance with
              applicable federal and/or state law. Termination shall be
              effective immediately upon written notice.

6.     Continuation of Agreement.

       Termination as the result of any cause listed in Section 5 shall not
affect the Fund's obligation to furnish its shares to Contracts then in force
for which its shares serve or may serve as the underlying medium unless such
further sale of Fund shares is prohibited by law or the SEC or other regulatory
body, or is determined by the Fund's Board to be necessary to remedy or
eliminate an irreconcilable conflict pursuant to Section 10 hereof.

7.     Advertising Materials; Filed Documents.

       (a)    Advertising and sales literature with respect to the Fund prepared
              by the Company or its agents for use in marketing its Contracts
              will be submitted to the Fund or its designee for review before
              such material is used and submitted to any regulatory body for
              review. No such material shall be used if the Fund or its designee
              reasonably object to such use in writing, transmitted by facsimile
              within five business days after receipt of such material.

       (b)    The Fund will provide additional copies of its financials as soon
              as available to the Company and at least one complete copy of all
              registration statements, prospectuses, statements of additional
              information, annual and semi-annual reports, proxy statements and
              all amendments or supplements to any of the above that relate to
              the Fund promptly after the filing of such document with the SEC
              or other regulatory authorities. At the Adviser's request, the
              Company will provide to the Adviser at least one complete copy of
              all registration statements, prospectuses, statements of
              additional information, annual and semi-annual reports, proxy
              statements, and all 


                                       5

<PAGE>


              amendments or supplements to any of the above that relate to the
              Account promptly after the filing of such document with the SEC or
              other regulatory authority.

       (c)    The Fund or the Adviser will provide via Excel spreadsheet
              diskette format or in electronic transmission to the Company at
              least quarterly portfolio information necessary to update Fund
              profiles with seven business days following the end of each
              quarter.

       (d)    The Fund will reimburse the Company for any incorrect information
              provided to the Company under this Section as provided for in
              Schedule C.

8.     Proxy Voting.

       (a)    The Company shall provide pass-through voting privileges on Fund
              shares held by registered separate accounts to all Contract owners
              and participants to the extent the SEC continues to interpret the
              1940 Act as requiring such privileges. The Company shall provide
              pass-through voting privileges on Fund shares held by unregistered
              separate accounts to all Contract owners.

       (b)    The Company will distribute to Contract owners and participants,
              as appropriate, all proxy material furnished by the Fund and will
              vote Fund shares in accordance with instructions received from
              such Contract owners and participants. If and to the extent
              required by law, the Company, with respect to each group Contract
              and in each Account, shall vote Fund shares for which no
              instructions have been received in the same proportion as shares
              for which such instructions have been received. The Company and
              its agents shall not oppose or interfere with the solicitation of
              proxies for Fund shares held for such Contract owners and
              participants.

9.     Indemnification.

       (a)    The Company agrees to indemnify and hold harmless the Fund and the
              Adviser, and each of their directors, officers, employees, agents,
              trustees and each person, if any, who controls the Fund or its
              Adviser within the meaning of the Securities Act of 1933 (the
              "1933 Act") against any losses, claims, damages or liabilities to
              which the Fund, the Adviser or any such director, officer,
              employee, agent, or controlling person may become subject, under
              the 1933 Act or otherwise, insofar as such losses, claims,
              damages, or liabilities (or actions in respect thereof) that (i)
              arise out of a breach or violation of the terms of this Agreement
              by the Company or (ii) arise out of or are based upon any untrue
              statement or alleged untrue statement of any material fact
              contained in the Contracts or the Registration Statement,
              prospectus or sales literature prepared by the Company or arise
              out of or are based upon the omission or the alleged omission to
              state therein a material fact required to be stated therein or
              necessary to make the statements therein not misleading, or arise
              out of or as a result of conduct, statements or representations
              (other than statements or representations contained in the
              prospectuses or sales literature of the Fund) of the Company or
              its agents, with respect to the sale and distribution of Contracts
              for which Fund shares are the underlying investment. The Company
              will reimburse any legal or other expenses 


                                       6

<PAGE>


              reasonably incurred by the Fund, the Adviser or any such director,
              officer, employee, agent, investment adviser, trustee or
              controlling person in connection with investigating or defending
              any such loss, claim, damage, liability or action; provided,
              however, that the Company will not be liable in any such case to
              the extent that any such loss, claim, damage or liability arises
              out of or is based upon (i) an untrue statement or omission or
              alleged omission made in such Registration Statement or prospectus
              in conformity with written materials furnished to the Company by
              the Fund specifically for use therein or (ii) the willful
              misfeasance, bad faith, or gross negligence by the Fund or Adviser
              in the performance of its duties hereunder or the Fund's or
              Adviser's reckless disregard of obligations or duties under this
              Agreement or to the Company, whichever is applicable. This
              indemnity agreement will be in addition to any liability which
              Company may otherwise have.

       (b)    The Fund and the Adviser agree to indemnify and hold harmless the
              Company and its directors, officers, employees, agents and each
              person, if any, who controls the Company within the meaning of the
              1933 Act against any losses, claims, damages or liabilities to
              which the Company or any such director, officer, employee, agent
              or controlling person may become subject, under the 1933 Act or
              otherwise, insofar as such losses, claims, damages or liabilities
              (or actions in respect thereof) that (i) arise out of a breach or
              violation of the terms of this Agreement by the Fund or Adviser or
              (ii) arise out of or are based upon any untrue statement or
              alleged untrue statement of any material fact contained in the
              Registration Statement, prospectuses or sales literature of the
              Fund or arise out of or are based upon the omission or the alleged
              omission to state therein a material fact required to be stated
              therein or material fact required to be stated therein or
              necessary to make the statements therein not misleading. The Fund
              and/or the Adviser will reimburse any legal or other expenses
              reasonably incurred by the Company or any such director, officer,
              employee, agent, or controlling person in connection with
              investigating or defending any such loss, claim, damage, liability
              or action; provided, however, that the Fund or Adviser will not be
              liable in any such case to the extent that any such loss, claim,
              damage or liability arises out of or is based upon (i) an untrue
              statement or omission or alleged omission made in such
              Registration Statement or prospectuses which are in conformity
              with written materials furnished to the Fund by the Company
              specifically for use therein, or (ii) the willful misfeasance, bad
              faith, or gross negligence by the Company in the performance of
              its duties hereunder or the Company's reckless disregard of
              obligations or duties under this Agreement or to the Fund and/or
              Adviser, whichever is applicable. This indemnity agreement will be
              in addition to any liability which the Fund and/or Adviser may
              otherwise have.

       (c)    Promptly after receipt by an indemnified party hereunder of notice
              of the commencement of action, such indemnified party will, if a
              claim in respect thereof is to be made against the indemnifying
              party hereunder, notify the indemnifying party of the commencement
              thereof; but the omission so to notify the indemnifying party will
              not relieve it from any liability which it may have to any
              indemnified party otherwise than under this Section 10. In case
              any such action is brought against any indemnified party, and it
              notifies the indemnifying party of the commencement thereof, the
              indemnifying party will be entitled to participate therein and, to
              the extent that it may 


                                       7

<PAGE>


              wish to, assume the defense thereof, with counsel satisfactory to
              such indemnified party, and after notice from the indemnifying
              party to such indemnified party of its election to assume the
              defense thereof, the indemnifying party will not be liable to such
              indemnified party under this Section 9 for any legal or other
              expenses subsequently incurred by such indemnified party in
              connection with the defense thereof other than reasonable costs of
              investigation.

10.    Potential Conflicts.

       (a)    The Company has received a copy of an application for exemptive
              relief, as amended, filed by the Fund on and with the SEC (File
              No. _______) (the "Shared Funding Exemptive Application"). The
              Company has reviewed the conditions to the requested relief set
              forth in such application for exemptive relief. As set forth in
              such application once the Shared Funding Exemptive Order is
              issued, the Board of Trustees of Fund (the "Board") will monitor
              the Fund for the existence of any material irreconcilable conflict
              between the interests of the contractholders of all separate
              accounts ("Participating Companies") investing in the Fund. An
              irreconcilable material conflict may arise for a variety of
              reasons, including: (i) an action by any state insurance
              regulatory authority; (ii) a change in applicable federal or state
              insurance, tax, or securities laws or regulations, or a public
              ruling, private letter ruling, no-action or interpretative letter,
              or any similar actions by insurance, tax or securities regulatory
              authorities; (iii) an administrative or judicial decision in any
              relevant proceeding; (iv) the manner in which the investments of
              any portfolio are being managed; (v) a difference in voting
              instructions given by variable annuity contractholders and
              variable life insurance contractholders; or (vi) a decision by an
              insurer to disregard the voting instructions of contractholders.
              The Board shall promptly inform the Company if it determines that
              an irreconcilable material conflict exists and the implications
              thereof.

       (b)    The Company will report any potential or existing conflicts of
              which it is aware to the Board. The Company will assist the Board
              in carrying out its responsibilities under the Shared Funding
              Exemptive Order by providing the Board with all information
              reasonably necessary for the Board to consider any issues raised.
              This includes, but is not limited to, an obligation by the Company
              to inform the Board whenever contractholder voting instructions
              are disregarded.

       (c)    If a majority of the Board, or a majority of its disinterested
              Board members, determines that a material irreconcilable conflict
              exists with regard to contractholder investments in a Fund, the
              Board shall give prompt notice to all Participating Companies. If
              the Board determines that the Company is responsible for causing
              or creating said conflict, the Company shall at its sole cost and
              expense, and to the extent reasonably practicable (as determined
              by a majority of the disinterested Board members), take such
              action as is necessary to remedy or eliminate the irreconcilable
              material conflict. Such necessary action may include but shall not
              be limited to:

              (i) withdrawing the assets allocable to the Account from the Fund
                  and reinvesting such assets in a different investment medium
                  or submitting the question of


                                       8

<PAGE>


                  whether such segregation should be implemented to a vote of
                  all affected contractholders and as appropriate, segregating
                  the assets of any appropriate group (i.e., annuity contract
                  owners, life insurance contract owners, or variable contract
                  owners of one or more Participating Companies) that votes in
                  favor of such segregation, or offering to the affected
                  contractholders the option of making such a change; and/or

             (ii) establishing a new registered management investment company or
                  managed separate account.

       (d)    If a material irreconcilable conflict arises as a result of a
              decision by the Company to disregard its contractholder voting
              instructions and said decision represents a minority position or
              would preclude a majority vote by all of its contractholders
              having an interest in the Fund, the Company at its sole cost, may
              be required, at the Board's election, to withdraw an Account's
              investment in the Fund and terminate this Agreement; provided,
              however, that such withdrawal and termination shall be limited to
              the extent required by the foregoing material irreconcilable
              conflict as determined by a majority of the disinterested members
              of the Board.

       (e)    For the purpose of this Section 10, a majority of the
              disinterested Board members shall determine whether or not any
              proposed action adequately remedies any irreconcilable material
              conflict, but in no event will the Fund be required to establish a
              new funding medium for any Contract. The Company shall not be
              required by this Section 11 to establish a new funding medium for
              any Contract if an offer to do so has been declined by vote of a
              majority of the Contract owners or participants materially
              adversely affected by the irreconcilable material conflict.


12.    Miscellaneous.

       (a)    Amendment and Waiver. Neither this Agreement, nor any provision
              hereof, may be amended, waived, discharged or terminated orally,
              but only by an instrument in writing signed by all parties hereto.

       (b)    Notices. All notices and other communications hereunder shall be
              given or made in writing and shall be delivered personally, or
              sent by telex, telecopier or registered or certified mail, postage
              prepaid, return receipt requested, or recognized overnight courier
              service to the party or parties to whom they are directed at the
              following addresses, or at such other addresses as may be
              designated by notice from such party to all other parties.

       To the Company:

                                    Aetna Life Insurance and Annuity Company
                                    151 Farmington Avenue
                                    Hartford, Connecticut  06156


                                       9

<PAGE>


                                    Attention:  Maria F. McKeon, Counsel

       To the Fund:

                                    =======================
                                    =======================
                                    Attn:  ________________


       Any notice, demand or other communication given in a manner prescribed in
       this subsection (b) shall be deemed to have been delivered on receipt.

       (c)    Successors and Assigns. This agreement shall be binding upon and
              inure to the benefit of the parties hereto and their respective
              permitted successors and assigns.

       (d)    Counterparts. This Agreement may be executed in any number of
              counterparts, all of which taken together shall constitute one
              agreement, and any party hereto may execute this Agreement by
              signing any such counterpart.

       (e)    Severability. In case any one or more of the provisions contained
              in this Agreement should be invalid, illegal or unenforceable in
              any respect, the validity, legality and enforceability of the
              remaining provisions contained herein shall not in any way be
              affected or impaired thereby.

       (f)    Entire Agreement. This Agreement constitutes the entire agreement
              and understanding between the parties hereto and supersedes all
              prior agreement and understandings relating to the subject matter
              hereof.

       (g)    Governing Law. This Agreement shall be governed and interpreted in
              accordance with the laws of the State of Connecticut.

       (h)    It is understood by the parties that this Agreement is not an
              exclusive arrangement in any respect.

       (i)    The terms of this Agreement and the Schedules thereto will be held
              confidential by each party except to the extent that either party
              or its counsel may deem it necessary to disclose such terms.


                                       10
<PAGE>



13. Limitation on Liability of Trustees, etc.

       This agreement has been executed on behalf of the Fund by the undersigned
officer of the Fund in his or her capacity as an officer of the Fund. The
obligations of this agreement shall be binding upon the assets and property of
the Fund only and shall not be binding on any Trustee, officer or shareholder of
the Fund individually.

       IN WITNESS WHEREOF, the undersigned have executed this Agreement by their
duly authorized officers effective as of the _________ day of _________________,
1999.

       AETNA LIFE INSURANCE AND ANNUITY COMPANY

By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________




       MITCHELL HUTCHINS SERIES TRUST


By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________


       MITCHELL HUTCHINS ASSET MANAGEMENT, INC.


By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________



                                       11
<PAGE>


                                   Schedule A



              (For any future separate accounts - See Section 1(a))



                                       12
<PAGE>


                                   Schedule B

o  MITCHELL HUTCHINS SERIES TRUST -
   [open diamond] BALANCED PORTFOLIO
   [open diamond] GROWTH & INCOME PORTFOLIO
   [open diamond[ TACTICAL ALLOCATION PORTFOLIO
   [open diamond] SMALL CAP PORTFOLIO



                                       13
<PAGE>



                                   Schedule C

The following costs, expenses and reimbursements will be paid by the party
indicated:

1.       For purposes of Sections 2 and 7, the Fund shall be liable to the
         Company for systems and out of pocket costs incurred by the Company in
         making a Contract owner's or a participant's account whole, if such
         costs or expenses are a result of the Fund's failure to provide timely
         or correct net asset values, dividend and capital gains or financial
         information and if such information is not corrected by 4pm EST of the
         next business day after releasing such incorrect information provided
         the incorrect NAV as well as the correct NAV for each day that the
         error occurred is provided. If a mistake is caused in supplying such
         information or confirmations, which results in a reconciliation with
         incorrect information, the amount required to make a Contract owner's
         or a Participant's account whole shall be borne by the party providing
         the incorrect information, regardless of when the error is corrected.

2.       For purposes of Section 3, the Fund shall pay for the cost of
         typesetting and printing periodic fund reports to shareholders,
         prospectuses, prospectus supplements, statements of additional
         information and other materials that are required by law to be sent to
         Contract owners or participants, as well as the cost of distributing
         such materials. The Company shall pay for the cost of prospectuses and
         statements of additional information and the distribution thereof for
         prospective Contract owners or participants. Each party shall be
         provided with such supporting data as may reasonably be requested for
         determining expenses under Section 3.

3.       The Fund shall pay all expenses in connection with the provision to the
         Company of a sufficient quantity of its proxy material under Section 3.
         The cost associated with proxy preparation, group authorization
         letters, programming for tabulation and necessary materials (including
         postage) will be paid by the Fund.

Dated this _________ day of ________________, 1999.

       AETNA LIFE INSURANCE AND ANNUITY COMPANY

By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________


                                       14
<PAGE>




       MITCHELL HUTCHINS SERIES TRUST


By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________



       MITCHEL HUTCHINS ASSET MANAGEMENT, INC.


By: ___________________________________________

Name: _________________________________________

Title:  _________________________________________


                                       15



                                  EX-99.B.8.25

                                     FORM OF
                                SERVICE AGREEMENT

         AGREEMENT, effective as of _____________ 1999, between Mitchell
Hutchins Asset Management, Inc. (the "Adviser"), a ____________________________,
and Aetna Life Insurance and Annuity Company (the "Company"), a Connecticut
corporation, for the provision of described certain services by the Company in
connection with the sale of shares of the Mitchell Hutchins Series Trust (the
"Fund") as described in the Fund Participation Agreement dated __________, 1999,
between the Company, the Fund and the Adviser (the "Fund Participation
Agreement").

In consideration of their mutual promises, the Adviser and the Company agree as
follows:

1.       The Company agrees to provide the following services to the Adviser:

(a)  responding to inquiries from owners of the Company variable annuity
     contracts and variable life insurance policies using the Funds as an
     investment vehicle ("Contractholders") regarding the services performed by
     the Company that relate to the Funds;

(b)  providing information to Adviser and Contractholders with respect to Fund
     shares attributable to Contractholder accounts;

(c)  communicating directly with Contractholders concerning the Funds'
     operations; and

(d)  providing such other similar services as Adviser may reasonably request
     pursuant to Adviser's agreement with the Funds to the extent permitted
     under applicable federal and state requirements.

1.       Services.

(a)      Providing services to Contractholders owners and participants under
         this Agreement shall be the responsibility of the Company and shall not
         be the responsibility of the Fund or the Adviser. In consideration for
         providing services under this Agreement, the Adviser agrees to pay to
         the Company and the Company agrees to accept as full compensation for
         all services rendered hereunder an amount 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.

(b)      For the purposes of computing the fee contemplated by this Section 2,
         the average aggregate amount invested by the Company over a one month
         period shall be computed by totaling the Company's aggregate investment
         (share net asset value multiplied by total number of shares held by the
         Company) on each business day during the month and dividing by the
         total number of business days during each month.


                                       1

<PAGE>


(c)      The Fund will calculate the fee at the end of each month and will make
         such payment to the Company within 30 days thereafter. The
         reimbursement payment will be accompanied by a statement showing the
         calculation of the monthly amounts payable by the Adviser and such
         other supporting data as may be reasonably requested by the Company.
         Payment will be wired by the Adviser to an account designated by the
         Company.

4.   The Company agrees to indemnify and hold harmless the Adviser and its
     directors, officers, and employees from any and all loss, liability and
     expense resulting from any gross negligence or willful wrongful act of the
     Company under this Agreement or a breach of a material provision of this
     Agreement, except to the extent such loss, liability or expense is the
     result of the Adviser's misfeasance, bad faith or gross negligence in the
     performance of its duties.

5.   The Adviser agrees to indemnify and hold harmless the Company and its
     directors, officers, and employees from any and all loss, liability and
     expense resulting from any gross negligence or willful wrongful act of the
     Adviser under this Agreement or a breach of a material provision under this
     Agreement, except to the extent such loss, liability or expense is the
     result of the Company's own willful misfeasance, bad faith or gross
     negligence in the performance of its duties.

6.   Either party may terminate this Agreement, without penalty, (i) on sixty
     (60) days written notice to the other party, for any cause or without
     cause, or (ii) on reasonable notice to the other party, if it is not
     permissible to continue the arrangement described herein under laws, rules
     or regulations applicable to either party or the Fund, or if the
     Participation Agreement is terminated.

7.   The terms of this arrangement will be held confidential by each party
     except to the extent that either party or its counsel may deem it necessary
     to disclose this arrangement.

8.   This Agreement represents the entire Agreement of the parties on the
     subject matter hereof and it cannot be amended or modified except in
     writing, signed by the parties. This Agreement may be executed in one or
     more separate counterparts, all of which, when taken together, shall
     constitute one and the same Agreement.

9.   All notices and other communications hereunder shall be given or made in
     writing and shall be delivered personally, or sent by telex, telecopier or
     registered or certified mail, postage prepaid, return receipt requested, or
     recognized overnight courier service to the party to whom they are directed
     at the following addresses, or at such other addresses as may be designated
     by notice from such party to the other party.

         To Aetna:

                  Aetna Life Insurance and Annuity Company
                  151 Farmington Avenue
                  Hartford, Connecticut  06156
                  Attention:  Maria F. McKeon, Counsel


                                       2

<PAGE>


         To Mitchell Hutchins Asset Management, Inc:

                  ======================
                  ----------------------
                  Attention:  __________


     Any notice, demand or other communication given in a manner prescribed in
     this Section 9 shall be deemed to have been delivered on receipt.

IN WITNESS WHEREOF, the parties to this Agreement have caused this Agreement to
be executed by their authorized officers as of the day and year first above
written.

MITCHELL HUTCHINS ASSET MANAGEMENT, INC. 

By:  _______________________________________

Name: _____________________________________

Title:  ______________________________________


AETNA LIFE INSURANCE AND ANNUITY COMPANY


By:  _______________________________________

Name: _____________________________________

Title:  ______________________________________



                                       3
<PAGE>



                                                    Schedule A



                                       4

                                    EX99-B.9
                         Opinion and Consent of Counsel

[AETNA LOGO]                                   151 Farmington Avenue
[AETNA LETTERHEAD]                             Hartford, CT 06156


                                               Julie E. Rockmore
                                               Counsel
                                               Law Division, RE4A
May 5, 1999                                    Investments & Financial Services
                                               (860) 273-4686
                                               Fax:  (860) 273-8340

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC  20549

Re:  Aetna Life Insurance and Annuity Company and its Variable Annuity Account B
     Post-Effective Amendment No. 7 to Registration Statement on Form N-4
     Prospectus Title:  Aetna Variable Annuity
     File Nos.  333-56297 and 811-2512

Dear Sir or Madam:

The undersigned serves as counsel to Aetna Life Insurance and Annuity Company, a
Connecticut life insurance company (the "Company"). It is my understanding that
the Company, as depositor, has registered an indefinite amount of securities
(the "Securities") under the Securities Act of 1933 (the "Securities Act") as
provided in Rule 24f-2 under the Investment Company Act of 1940 (the "Investment
Company Act").

In connection with this opinion, I or those for whom I have supervisory
responsibility, have reviewed the N-4 Registration Statement, as amended to the
date hereof, and this Post-Effective Amendment No. 7. I have also examined
originals or copies, certified or otherwise identified to my satisfaction, of
such documents, trust records and other instruments I have deemed necessary or
appropriate for the purpose of rendering this opinion. For purposes of such
examination, I have assumed the genuineness of all signatures on original
documents and the conformity to the original of all copies.

I am admitted to practice law in Connecticut, and do not purport to be an expert
on the laws of any other state. My opinion herein as to any other law is based
upon a limited inquiry thereof which I have deemed appropriate under the
circumstances.

<PAGE>


Based upon the foregoing, and, assuming the Securities are sold in accordance
with the provisions of the prospectus, I am of the opinion that the Securities
being registered will be legally issued and will represent binding obligations
of the Company.

I consent to the filing of this opinion as an exhibit to the Registration
Statement.

Sincerely,

/s/ Julie E. Rockmore

Julie E. Rockmore


                                   EX-99.B.10

                         Consent of Independent Auditors






The Board of Directors of Aetna Life Insurance and Annuity Company and
Contractholders of Aetna Variable Annuity Account B:



We consent to the incorporation by reference in this Post-Effective Amendment
No. 7 to Registration Statement (File No. 333-56297) on Form N-4 our reports
dated February 3, 1999 and February 26, 1999.





                                                          /s/ KPMG LLP



Hartford, Connecticut
May 5, 1999


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