SUN LIFE ASSURANCE CO OF CANADA US
POS AM, 1996-05-01
LIFE INSURANCE
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<PAGE>

                                                       Registration No. 33-31711
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                              ---------------------
   
                         POST-EFFECTIVE AMENDMENT NO. 7
    
                                       TO

                                    FORM S-2

                             REGISTRATION STATEMENT

                                      UNDER

                           THE SECURITIES ACT OF 1933

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

                   SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
             (Exact name of registrant as specified in its charter)

         Delaware                                               O4-2461439
(State or other jurisdiction of                              (I.R.S. Employer
incorporation or organization)                              Identification No.)

        ONE SUN LIFE EXECUTIVE PARK, WELLESLEY HILLS, MASSACHUSETTS 02181
                                 (617) 237-6030
          (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)


                                                        Copies to:
     BONNIE S. ANGUS, SECRETARY                    DAVID N. BROWN, ESQ.
    SUN LIFE ASSURANCE COMPANY OF                   COVINGTON & BURLING
            CANADA (U.S.)                      1201 PENNSYLVANIA AVENUE N.W.
       ONE SUN LIFE EXECUTIVE PARK                     P.O. BOX 7566
WELLESLEY HILLS, MASSACHUSETTS 02181              WASHINGTON, D.C.  20044
           (617) 237-6030                              (202) 662-5238

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


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

<PAGE>

                   SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
   
                        Post-Effective Amendment No. 7 to
                       Registration Statement on Form S-2
                        Cross Reference Sheet Pursuant To
                           Regulation S-K, Item 501(b)
    
       Form S-2 Item Number
          and Caption                       Location in Prospectus; Caption
       --------------------                 -------------------------------

 1.  Forepart of the Registration          Cover Pages
     Statement and Outside Front Cover
     Page of Prospectus

 2.  Inside Front and Outside Back         Cover Pages; Table of Contents
     Cover Pages of Prospectus

 3.  Summary Information, Risk             Cover Pages (Summary); Expense
     Factors and Ratio of Earnings to      Summary
     Fixed Charges

 4.  Use of Proceeds                       A Word About the Company, the
                                           Variable Account, the Fixed Account
                                           and the Mutual Funds

 5.  Determination of Offering Price       Not Applicable

 6.  Dilution                              Not Applicable

 7.  Selling Security Holders              Not Applicable

 8.  Plan of Distribution                  Distribution of the Contracts

 9.  Description of Securities to be       Cover Pages; A Word About the
     Registered                            Company, the Variable Account, the
                                           Fixed Account and the Mutual Funds;
                                           Purchase Payments and Contract Values
                                           During Accumulation Period; Cash
                                           Withdrawals, Withdrawal Charges
                                           Market Value Adjustment and Loan
                                           Provision; Other Contractual
                                           Provisions


10.  Interests of Named Experts and        Not Applicable
     Counsel

11.  Information with Respect to the       A Word About the Company, the
     Registrant                            Variable Account, the Fixed Account
                                           and the Mutual Funds; Other
                                           Contractual Provisions; Additional
                                           Information About the Company; The
                                           Company's Directors and Executive
                                           Officers; Legal Proceedings; Legal
                                           Matters; Financial Statements


<PAGE>


       Form S-2 Item Number
          and Caption                       Location in Prospectus; Caption
       --------------------                 -------------------------------

12.  Incorporation of Certain              Cover Pages
     Information by Reference

13.  Disclosure of Commission Position     Not Applicable
     on Indemnification for Securities
     Act Liabilities





<PAGE>

                                     PART I

                       INFORMATION REQUIRED IN PROSPECTUS

   
Attached hereto and made a part hereof is the Prospectus dated May 1, 1996.
    


<PAGE>
- --------------------------------------------------------------------------------
 
   
                                                                     MAY 1, 1996
    
 
(PASTEUP LOGO)
- ------------------------
COMBINATION FIXED/VARIABLE
GROUP ANNUITY FOR QUALIFIED
AND NON-QUALIFIED
RETIREMENT PLANS
ISSUED IN CONNECTION WITH
SUN LIFE OF CANADA (U.S.)
VARIABLE ACCOUNT D
                                                                      PROSPECTUS
- ---------------------------------------------------------
ISSUED BY
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
A WHOLLY-OWNED SUBSIDIARY OF SUN LIFE ASSURANCE COMPANY OF CANADA
*ANNUITY SERVICE MAILING ADDRESS:
C/O SUN LIFE ANNUITY SERVICE CENTER
P.O. BOX 1024
BOSTON, MASSACHUSETTS 02103
 
PRINCIPAL EXECUTIVE OFFICES:
ONE SUN LIFE EXECUTIVE PARK
WELLESLEY HILLS, MASSACHUSETTS 02181
(617) 237-6030
- --------------------------------------------------------------------------------
 
   
    The  master group  deferred annuity  contracts (the  "Contracts") offered by
this Prospectus are designed  for use in  connection with employer,  association
and  other group retirement plans which may qualify as retirement programs under
Section 401 (including Section 401(k)),  Section 403, Sections 408(c) or  408(k)
of  the Internal Revenue  Code and non-qualified group  programs such as payroll
savings plans  (collectively the  "Plans").  The master  group Contract  may  be
entered  into  by  any  employer,  association or  other  bona  fide  group. The
Contracts provide that annuity  payments will begin on  a selected future  date.
The Contracts provide for the accumulation of values on either a variable basis,
a  fixed basis, or a fixed and variable basis and provide for fixed and variable
annuity payments as elected.
    
 
                                                        (CONTINUED ON NEXT PAGE)
 
THESE SECURITIES HAVE  NOT BEEN APPROVED  OR DISAPPROVED BY  THE SECURITIES  AND
EXCHANGE  COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
THIS PROSPECTUS IS VALID  ONLY WHEN ACCOMPANIED BY  THE CURRENT PROSPECTUSES  OF
MFS/SUN  LIFE SERIES TRUST(1)  (FOR QUALIFIED AND  NON-QUALIFIED CONTRACTS), AND
MFS-REGISTERED TRADEMARK- WORLD GOVERNMENTS FUND, MFS-REGISTERED TRADEMARK- BOND
FUND, MFS-REGISTERED  TRADEMARK-  TOTAL  RETURN  FUND,  MASSACHUSETTS  INVESTORS
TRUST,  MASSACHUSETTS INVESTORS GROWTH STOCK  FUND AND MFS-REGISTERED TRADEMARK-
GROWTH  OPPORTUNITIES  FUND  (FOR  QUALIFIED  CONTRACTS  UNDER   TRUST/CUSTODIAL
ACCOUNTS ONLY). YOU SHOULD RETAIN THIS PROSPECTUS FOR FUTURE REFERENCE.
 
*ANY REFERENCE IN THIS PROSPECTUS TO RECEIPT BY THE COMPANY MEANS RECEIPT AT THE
ANNUITY SERVICE MAILING ADDRESS SHOWN ABOVE.
 
- ---------
(1)  When MFS/Sun  Life Series  Trust is used  in connection  with the Contracts
offered by this Prospectus it may be referred to as the "Compass" Series Trust.
<PAGE>
    Each Participant under a Contract will receive a Certificate evidencing such
Participant's coverage under the Contract.
 
    The entity which establishes this Contract on behalf of Participants will be
referred to in this  Prospectus as the "Owner,"  even though certain  retirement
programs  will be set up with a trustee  as legal owner of the assets. The Owner
of  this  Contract   is  responsible  for   providing  all  communications   and
instructions  concerning Participant Accounts  to Sun Life  Assurance Company of
Canada (U.S.) (the  "Company"). It  is important  to understand  that while  the
Owner  has  the  responsibility  for  transmitting  such  instructions  for each
Participant, the  Participant  may be  permitted  or required  to  make  certain
decisions  and elections under this  Contract, as specified by  the Owner in the
plan, trust or other  appropriate document. Thus,  where this Contract  provides
for selections and elections by the Owner, the Owner shall be solely responsible
for  giving such instructions to the Company, but the Owner shall have the right
to determine whether  Participants or others  make such elections  in the  first
instance.
 
    The  Owner of a Contract  may elect to have  Contract values accumulate on a
fixed basis in the Fixed  Account which pays interest at  a fixed rate which  is
guaranteed  for a  specific period (one  (1), three  (3), five (5)  or seven (7)
years) or on  a variable basis  in the  Variable Account, or  divided among  the
Fixed Account and the Variable Account.
 
   
    If the Owner elects to have Contract values accumulated on a variable basis,
Purchase  Payments are allocated to Sun Life of Canada (U.S.) Variable Account D
(the "Variable  Account"),  a separate  account  of the  Company.  The  Variable
Account  uses its assets to purchase, at their net asset value, shares in one or
more of the following mutual funds selected  by the Owner from among a group  of
mutual  funds advised by Massachusetts  Financial Services Company, a subsidiary
of the  Company:  MFS/Sun Life  Series  Trust; MFS-Registered  Trademark-  World
Governments Fund; MFS-Registered Trademark- Bond Fund; MFS-Registered Trademark-
Total Return Fund; Massachusetts Investors Trust; Massachusetts Investors Growth
Stock Fund; and MFS-Registered Trademark- Growth Opportunities Fund (the "Mutual
Fund(s)"  or "Fund(s)"). IN THE CASE OF NON-TRUSTEED RETIREMENT PROGRAMS SUCH AS
SECTION  403(B)   TAX-SHELTERED   ANNUITIES   AND   NON-TAX-QUALIFIED   DEFERRED
COMPENSATION  AND  PAYROLL SAVINGS  PLANS,  PURCHASE PAYMENTS  ALLOCATED  TO THE
VARIABLE ACCOUNT MAY BE ALLOCATED ONLY TO MFS/SUN LIFE SERIES TRUST. Each Mutual
Fund pays its investment adviser certain fees charged against the assets of  the
Mutual  Fund.  The value  of the  variable  portion, if  any, of  the Contract's
Accumulation Account, the value of each Participant's Account and the amount  of
variable annuity payments will vary to reflect the investment performance of the
Mutual  Fund(s) selected  and the  deduction of  the contract  charges described
under "How the Contract Charges Are Assessed" on page 25. (For more  information
about the Mutual Funds, see "The Mutual Funds" on page 15.)
    
 
    If  the Owner elects to  have Contract values accumulated  on a fixed basis,
Purchase Payments  are allocated  to the  Fixed Account,  which is  the  general
account of the Company. The Company will invest Purchase Payments made under the
Contract  which  are  allocated  to  the Fixed  Account  in  federal,  state and
municipal obligations, corporate bonds, preferred and common stocks, real estate
mortgages, real  estate and  certain other  investments in  accordance with  the
requirements established by applicable state insurance laws regarding the nature
and  quality of investments  that may be  made by life  insurance companies (See
"The Fixed Account" on page 14). The  Company will credit interest at a rate  of
not  less  than four  percent  (4%) per  year,  compounded annually,  to amounts
allocated to the Fixed Account under  the Contracts and guarantee these  amounts
at  various interest rates (the  "Guarantee Rate") for one  (1), three (3), five
(5) or seven (7) years as elected by the Owner, subject to the imposition of any
applicable withdrawal charge, market value adjustment, or account administration
fee ("Account  Fee").  The Company  may  not  change an  Initial  or  Subsequent
Guarantee  Rate  for  the  balance  of  the  Guarantee  Period;  however, future
Guarantee Rates  cannot  be  predicted  and  will  be  determined  at  the  sole
discretion  of the  Company (subject  to the  minimum guarantee  of four percent
(4%)). Fixed Accumulation  Units in the  Fixed Account will  be credited to  the
Contract's Accumulation Account. That part of the Contract relating to the Fixed
Account is registered under the Securities Act of 1933, but the Fixed Account is
not subject to the restrictions of the Investment Company Act of 1940.
 
    The  Company does not deduct a sales  charge from Purchase Payments made for
these Contracts. However, if any part of a Participant's Account is surrendered,
the Company will, with certain exceptions,
 
                                       2
<PAGE>
deduct from the  amount requested  a withdrawal charge  (which may  be deemed  a
contingent  deferred sales  charge). This  charge varies  from a  maximum of six
percent (6%) for Purchase Payments that have been in a Participant's Account for
less than  two (2)  years  to zero  (0)  for Payments  which  have been  in  the
Participant's  Account for seven (7) years. This charge is intended to reimburse
the Company  for expenses  relating  to the  distribution  of the  Contracts.  A
portion  of  a Participant's  Account  may be  withdrawn  each year  without any
withdrawal charge imposed by the Company, and after a Purchase Payment has  been
held  by the Company for seven (7)  years it may be withdrawn without imposition
of any withdrawal  charge by  the Company.  In addition,  after a  Participant's
Account has been established for twelve (12) years no withdrawal charges will be
imposed  on any amounts  withdrawn. Contracts which are  used in connection with
tax-qualified retirement  programs  ("Qualified  Contracts") also  have  a  loan
provision   (See  "Withdrawal  Charges"   and  "Loans"  on   pages  22  and  24,
respectively).
 
    In addition, if Fixed  Accumulation Units having a  three (3), five (5),  or
seven  (7) year  Guarantee Period  are cancelled to  effect a  full surrender or
partial withdrawal, a Market Value Adjustment will be imposed. The Market  Value
Adjustment  will  reflect  the  relationship  between  the  Current  Rate  for a
Guarantee Period of the  same duration as that  of the amount being  surrendered
and  the  Guarantee Rate  applicable to  the amount  being surrendered.  It also
reflects the time remaining in the Guarantee Period. Generally, if the Guarantee
Rate is lower  than the  applicable Current Rate,  then the  application of  the
Market  Value  Adjustment  will  result  in  a  lower  payment  upon  surrender.
Similarly, if the Guarantee Rate is higher than the applicable Current Rate, the
application of the Market Value Adjustment will result in a higher payment  upon
surrender.  If the Current  Rate and the  Guarantee Rate are  the same, then the
Market Value  Adjustment is  zero. IF  A FULL  SURRENDER IS  REQUESTED WHEN  THE
GUARANTEE  RATE  IS LOWER  THAN  THE APPLICABLE  CURRENT  RATE THE  MARKET VALUE
ADJUSTMENT WILL  IN  EFFECT  REDUCE  THE  AMOUNT  OF  INTEREST  ALLOCATED  TO  A
PARTICIPANT'S ACCOUNT AND COULD RESULT IN A CASH WITHDRAWAL PAYMENT IN AN AMOUNT
IESS THAN TOTAL PURCHASE PAYMENTS (NET OF DEDUCTIONS FOR CONTRACT CHARGES). (SEE
"MARKET VALUE ADJUSTMENT" ON PAGE 23.)
 
    The  Company reserves  the right to  defer the payment  of amounts withdrawn
from the Fixed Account for a period not  to exceed six (6) months from the  date
written request for such withdrawal is received by the Company.
 
    Special   restrictions  on   withdrawals  apply   to  Contracts   used  with
Tax-Sheltered Annuities established pursuant to  Section 403(b) of the  Internal
Revenue Code (See "Section 403(b) Annuities" on page 22).
 
    In  addition,  under certain  circumstances  withdrawals may  result  in tax
penalties (See "Taxation of Annuities in General" on page 34).
 
    For a discussion  of cash  withdrawal procedures see  "Cash Withdrawals"  on
page 21 of this Prospectus.
 
    On  each Account Anniversary  and on surrender  of the Participant's Account
for full value if it is not  surrendered on an Account Anniversary, the  Company
will  deduct  an  annual account  administration  fee ("Account  Fee")  from the
Participant's Account. After the Annuity Commencement Date the Account Fee  will
be  deducted pro rata from each annuity payment made during the year. The amount
of the Account Fee varies  from $25 to $12. These  charges are to reimburse  the
Company   for  administrative  expenses  related   to  the  maintenance  of  the
Participant's Account (See "Account Fee" on page 25).
 
    The Company also deducts a mortality and  expense risk charge at the end  of
each Valuation Period at an annual rate ranging from 1.30% to 0.95% of the daily
net  assets of the Variable  Account for mortality and  expense risks assumed by
the Company (See "Charges Against the Variable Account for Mortality and Expense
Risks" on page 26).
 
    Total annualized Purchase Payments allocated to a Participant's Account  for
the  first Account Year must be  at least $300 and are  payable in amounts of at
least $25 per payment (See "Purchase Payments" on page 17).
 
                                       3
<PAGE>
    The Contracts provide that  the Company may  modify the withdrawal  charges,
Account  Fee, mortality and expense risk charges, the tables used in determining
the amount of the first monthly variable annuity payment and the formula used to
calculate the Market  Value Adjustment,  provided that  such modification  shall
apply  only  with  respect  to  Participant's  Accounts  established  after  the
effective date of such modification (See "Modification" on page 33).
 
    Premium taxes payable to any governmental entity will be charged against the
Participant's Account (See "Premium Taxes" on page 26).
 
    Subject to certain conditions, and during the Accumulation Period, the Owner
may convert the value  of a designated number  of Fixed Accumulation Units  then
credited  to a Participant's Account into  other Fixed Accumulation Units having
an equal  aggregate  value but  having  a  different Guarantee  Period  or  into
Variable Accumulation Units of particular Sub-Accounts having an equal aggregate
value,  or convert  the value  of a  designated number  of Variable Accumulation
Units then credited to a Participant's Account into other Variable  Accumulation
Units   and/or  Fixed  Accumulation  Units  having  an  equal  aggregate  value.
Transfers/conversions involving Fixed  Accumulation Units with  three (3),  five
(5)  or  seven (7)  year Guarantee  Periods will  be subject  to a  Market Value
Adjustment (See "Conversion of Accumulation Units" on page 20).
 
    After the  Annuity Commencement  Date,  the Payee  may, subject  to  certain
restrictions,  exchange the  value of  a designated  number of  Variable Annuity
Units of particular Sub-Accounts then credited  to the Contract with respect  to
the particular Payee, for other Variable Annuity Units, the value of which would
be  such that the  dollar amount of an  annuity payment made on  the date of the
exchange would  be unaffected  by the  fact of  the exchange  (See "Exchange  of
Variable Annuity Units" on page 30).
 
    The  Company will vote Fund  shares held by the  Sub-Accounts at meetings of
shareholders of the Fund(s), but  will follow voting instructions received  from
persons  having the right to  give voting instructions. The  Owner is the person
having the right to give voting  instructions prior to the Annuity  Commencement
Date.  On or after the Annuity Commencement  Date the Payee is the person having
such voting rights. Any shares attributable  to the Company and Fund shares  for
which no timely voting instructions are received will be voted by the Company in
the  same  proportion as  the shares  for which  instructions are  received from
persons having such right (See "Voting of Fund Shares" on page 32).
 
    Under certain circumstances  the Company  may substitute  shares of  another
registered open-end investment company both for Fund shares already purchased by
the  Variable Account and as  the security to be  purchased in the future. Also,
upon notice to the Owner,  or the Payee during  the annuity period, the  Company
may  modify the  Contract if  such modification:  (i) is  necessary to  make the
Contract comply with any  law or regulation issued  by a governmental agency  to
which  the Company or the  Variable Account is subject;  or (ii) is necessary to
assure continued qualification of the  Contract under the Internal Revenue  Code
or  other  federal or  state laws  relating to  retirement annuities  or annuity
contracts; or (iii) is  necessary to reflect  a change in  the operation of  the
Variable  Account  or the  Sub-Accounts;  or (iv)  provides  additional Variable
Account and/or fixed  accumulation options.  Other than as  described above,  no
change  in the terms and/or  conditions of the Contract  can be made without the
consent of  the Owner,  or  the Payee,  as the  case  may be  (See  "Substituted
Securities,"  "Change in  Operation of  Variable Account"  and "Modification" on
page 33).
 
    The Company will furnish Participants  and such other persons having  voting
rights with certain reports and statements described under "Periodic Reports" on
page  32. Such reports, other than  prospectuses, will not include the Company's
financial statements.
 
                                       4
<PAGE>
                             AVAILABLE INFORMATION
 
    The Company is subject to  the informational requirements of the  Securities
Exchange  Act of 1934 (the "1934 Act"),  as amended, and in accordance therewith
files reports and other information  with the Securities and Exchange  Commision
(the  "Commission"). Such  reports and  other information  can be  inspected and
copied at the public  reference facilities of the  Commission at Room 1024,  450
Fifth  Street, N.W., Washington,  D.C. and at  the Commission's Regional Offices
located at 75 Park Place, New York, New York and the Northwestern Atrium Center,
500 West Madison  Street, Suite  1400, Chicago, Illinois  60661-2511. Copies  of
such  materials also can  be obtained from  the Public Reference  Section of the
Commission at  450 Fifth  Street,  N.W., Washington,  D.C. 20549  at  prescribed
rates.
 
    The   Company   has   filed  registration   statements   (the  "Registration
Statements") with the Commission  under the Securities Act  of 1933 relating  to
the  Contracts offered by this  Prospectus. This Prospectus has  been filed as a
part of the Registration Statements and does not contain all of the  information
set  forth in the Registration Statements and exhibits thereto, and reference is
hereby made to such Registration Statements and exhibits for further information
relating to the Company and the  Contracts. The Registration Statements and  the
exhibits  thereto may  be inspected  and copied, and  copies can  be obtained at
prescribed rates, in the manner set forth in the preceding paragraph.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
   
    The Annual  Report  on  Form 10-K  for  the  year ended  December  31,  1995
heretofore  filed  by the  Company with  the  Commission under  the 1934  Act is
incorporated by reference in this Prospectus:
    
 
    Any statement contained in a document incorporated by reference herein shall
be deemed modified or superseded hereby to the extent that a statement contained
in a later-filed document  or herein shall modify  or supersede such  statement.
Any  statement  so modified  or superseded  shall  not be  deemed, except  as so
modified or superseded, to constitute a part of this Prospectus.
 
    The Company will furnish, without charge, to  each person to whom a copy  of
this Prospectus is delivered, upon the written or oral request of such person, a
copy  of the document referred to above which has been incorporated by reference
in this Prospectus, other than exhibits  to such document (unless such  exhibits
are specifically incorporated by reference in the Prospectus). Requests for such
document  should be directed  to Bonnie S. Angus,  Secretary, Sun Life Assurance
Company of  Canada  (U.S.),  One  Sun  Life  Executive  Park,  Wellesley  Hills,
Massachusetts 02181, telephone (617) 237-6030.
 
                                       5
<PAGE>
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                                                   PAGE
<S>                                                                                                             <C>
- ---------------------------------------------------------------------------------------------------------------------------
Definitions                                                                                                              8
- ---------------------------------------------------------------------------------------------------------------------------
Expense Summary                                                                                                         10
- ---------------------------------------------------------------------------------------------------------------------------
This Prospectus Is a Catalog of Facts                                                                                   12
- ---------------------------------------------------------------------------------------------------------------------------
Uses of the Contract                                                                                                    12
- ---------------------------------------------------------------------------------------------------------------------------
A Word About the Company, the Variable Account, the Fixed Account and the Mutual Funds                                  12
    The Company                                                                                                         12
    The Variable Account                                                                                                13
    The Fixed Account                                                                                                   14
    The Mutual Funds                                                                                                    15
- ---------------------------------------------------------------------------------------------------------------------------
Purchase Payments and Contract Values During Accumulation Period                                                        17
    Purchase Payments                                                                                                   17
    Accumulation Account and Participant's Account                                                                      18
    Variable Accumulation Value                                                                                         18
    Fixed Accumulation Value                                                                                            19
    Conversion of Accumulation Units                                                                                    20
- ---------------------------------------------------------------------------------------------------------------------------
Cash Withdrawals, Withdrawal Charges, Market Value Adjustment and Loan Provision                                        21
    Cash Withdrawals                                                                                                    21
    Withdrawal Charges                                                                                                  22
    Section 403(b) Annuities                                                                                            22
    Market Value Adjustment                                                                                             23
    Loans (Qualified Contracts Only)                                                                                    24
- ---------------------------------------------------------------------------------------------------------------------------
Death Benefit                                                                                                           24
    Death Benefit Provided by the Contract                                                                              24
    Election and Effective Date of Election                                                                             24
    Payment of Death Benefit                                                                                            25
    Amount of Death Benefit                                                                                             25
- ---------------------------------------------------------------------------------------------------------------------------
How the Contract Charges Are Assessed                                                                                   25
    Account Fee                                                                                                         25
    Premium Taxes                                                                                                       26
    Charges Against the Variable Account for Mortality and Expense Risks                                                26
    Withdrawal Charges                                                                                                  27
- ---------------------------------------------------------------------------------------------------------------------------
Annuity Provisions                                                                                                      27
    Annuity Commencement Date                                                                                           27
    Election--Change of Annuity Option                                                                                  28
    Annuity Options                                                                                                     28
    Determination of Annuity Payments                                                                                   29
    Fixed Annuity Payments                                                                                              29
    Variable Annuity Payments                                                                                           29
    Variable Annuity Unit Value                                                                                         30
    Exchange of Variable Annuity Units                                                                                  30
    Annuity Payment Rates                                                                                               30
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
                                       6
<PAGE>
                         TABLE OF CONTENTS--(CONTINUED)
 
   
<TABLE>
<CAPTION>
                                                                                                                   PAGE
<S>                                                                                                             <C>
- ---------------------------------------------------------------------------------------------------------------------------
Other Contractual Provisions                                                                                            30
    Payment Limits                                                                                                      30
    Owner                                                                                                               31
    Change of Ownership                                                                                                 31
    Designation and Change of Beneficiary                                                                               31
    Voting of Fund Shares                                                                                               32
    Periodic Reports                                                                                                    32
    Substituted Securities                                                                                              33
    Change in Operation of Variable Account                                                                             33
    Splitting Units                                                                                                     33
    Modification                                                                                                        33
    Discontinuance of New Participants                                                                                  34
    Custodian                                                                                                           34
    Right to Return Contract (Individual Retirement Accounts Only)                                                      34
- ---------------------------------------------------------------------------------------------------------------------------
Federal Tax Status                                                                                                      34
    Introduction                                                                                                        34
    Tax Treatment of the Company and the Variable Account                                                               34
    Taxation of Annuities in General                                                                                    34
    Qualified Retirement Plans                                                                                          37
    Pension and Profit-Sharing Plans                                                                                    37
    Tax-Sheltered Annuities                                                                                             37
    Individual Retirement Accounts                                                                                      37
- ---------------------------------------------------------------------------------------------------------------------------
Texas Optional Retirement Program                                                                                       38
- ---------------------------------------------------------------------------------------------------------------------------
Administration of the Contracts                                                                                         38
- ---------------------------------------------------------------------------------------------------------------------------
Distribution of the Contracts                                                                                           38
- ---------------------------------------------------------------------------------------------------------------------------
Additional Information About the Company                                                                                39
    Selected Financial Data                                                                                             39
    Management's Discussion and Analysis of Financial Condition and Results of Operations                               39
    Reinsurance                                                                                                         42
    Reserves                                                                                                            42
    Investments                                                                                                         42
    Competition                                                                                                         43
    Employees                                                                                                           43
    Properties                                                                                                          43
- ---------------------------------------------------------------------------------------------------------------------------
The Company's Directors and Executive Officers                                                                          43
- ---------------------------------------------------------------------------------------------------------------------------
State Regulation                                                                                                        46
- ---------------------------------------------------------------------------------------------------------------------------
Legal Proceedings                                                                                                       47
- ---------------------------------------------------------------------------------------------------------------------------
Legal Matters                                                                                                           47
- ---------------------------------------------------------------------------------------------------------------------------
Accountants                                                                                                             47
- ---------------------------------------------------------------------------------------------------------------------------
Registration Statements                                                                                                 47
- ---------------------------------------------------------------------------------------------------------------------------
Financial Statements                                                                                                    48
- ---------------------------------------------------------------------------------------------------------------------------
Appendix A--Variable Accumulation Unit Value, Variable Annuity Unit Value and Variable Annuity Payment
  Calculations                                                                                                          75
Appendix B--State Premium Taxes                                                                                         76
Appendix C--Withdrawals, Surrenders, Withdrawal Charges and Market Value Adjustments                                    77
</TABLE>
    
 
                                       7
<PAGE>
                                  DEFINITIONS
 
    The following terms as used in this Prospectus have the indicated meanings:
 
Account  Years and  Account Anniversaries: The  first Account Year  shall be the
period of twelve (12) months plus a part of a month as measured from the Date of
Coverage for  each Participant  to the  first day  of the  calendar month  which
follows  the calendar  month of  coverage. All  Account Years  and Anniversaries
thereafter shall be twelve (12) month periods  based upon such first day of  the
calendar  month which follows  the calendar month of  coverage. If, for example,
the Date of Coverage is in March, the first Account Year will be determined from
the Date of  Coverage but will  end on the  last day of  March in the  following
year;  all other  Account Years and  all Account Anniversaries  will be measured
from April 1.
 
Accumulation Account: An account established for the Contract.
 
Accumulation Period: The period before the Annuity Commencement Date and  during
the lifetime of the Participant.
 
Accumulation Unit: A unit of measure used in the calculation of the value of the
Accumulation  Account  and the  Participant's Account.  There  are two  types of
Accumulation Units: Variable Accumulation Units and Fixed Accumulation Units.
 
*Annuitant: The Participant named in each Certificate.
 
Annuity Commencement Date:  The date on  which the first  annuity payment  under
each Certificate is to be made.
 
*Annuity Option: The method for making annuity payments.
 
Annuity  Unit: A unit of measure used in  the calculation of the second and each
subsequent variable annuity payment from the Variable Account.
 
Application: The  document  signed by  the  Owner  that serves  as  the  Owner's
application to the Company for the Contract.
 
*Beneficiary:  The person or  entity having the  right to the  death benefit set
forth in each Certificate.
 
Certificate: The document for each  Participant which evidences the coverage  of
the Participant under the Contract.
 
Company: Sun Life Assurance Company of Canada (U.S.).
 
Current  Rate: As of a particular date, the interest rate for a Guarantee Period
that would be credited on a compound  annual basis on Payments allocated to  the
Fixed  Account on that date. The Current  Rate for a particular Guarantee Period
is contained in a schedule of rates published by the Company from time to  time,
but  in no  event is the  Current Rate  less than four  percent (4%), compounded
annually.
 
Date of Coverage: The date on which the Participant's Account becomes effective.
 
Due Proof of Death: An original certified copy of an official death certificate,
an original certified copy of a decree  of a court of competent jurisdiction  as
to the finding of death, or any other proof satisfactory to the Company.
 
Fixed  Account: The Fixed  Account consists of  all assets of  the Company other
than those allocated to a separate account of the Company.
 
Fixed Annuity: An annuity with payments which do not vary as to dollar amount.
 
Guarantee Period: The  number of years  for which an  Initial Guarantee Rate  or
Subsequent  Guarantee Rate is credited.  This period may be  one (1), three (3),
five (5) or seven  (7) years, as elected  by the Owner. There  are two types  of
Guarantee  Periods:  an  Initial  Guarantee Period  and  a  Subsequent Guarantee
Period.
 
- ------------------------
* As specified in the Participant Enrollment Form, unless changed.
 
                                       8
<PAGE>
Guarantee Rate:  The rate  of interest  credited by  the Company  on a  compound
annual  basis  during any  Initial or  Subsequent  Guarantee Period  on Payments
allocated to the Fixed Account.
 
Issue Date: The date on which the Contract becomes effective.
 
Net Loan Interest: Loan interest due the Company, less any interest credited  by
the Company on the principal amount of the loan and any unpaid interest thereon.
 
Non-Qualified  Contract: A  Contract used in  connection with  a retirement plan
which does not  receive favorable  federal income tax  treatment under  Sections
401, 403 or 408 of the Internal Revenue Code.
 
*Owner:  The  employer, association  or other  bona fide  group entitled  to the
ownership rights stated in the Contract and in whose name or names the  Contract
is  issued. The Owner may designate a  trustee or custodian of a retirement plan
which meets the requirements of Section 401, Section 408(c) or Section 408(k) of
the Internal Revenue Code to serve as  legal owner of Plan assets, but the  term
"Owner,"  as  used herein,  shall refer  to the  organization entering  into the
Contract.
 
Participant:  An  eligible  employee,  member  or  other  person  named  in  the
Certificate  who  is  entitled to  benefits  under  the Plan  as  determined and
reported to the Company by the Owner.
 
Participant Enrollment Form: The document signed by each Participant that serves
as his or her application for enrollment under the Contract.
 
Participant's Account: An account established for each Participant to which  net
Purchase Payments are credited in the form of Variable Accumulation Units and/or
Fixed Accumulation Units.
 
Payee:  A recipient of annuity payments under the Contract. The term includes an
Annuitant or a Beneficiary  who becomes entitled to  benefits upon the death  of
the Annuitant.
 
Plan: The retirement plan under which the Contract is issued.
 
Purchase  Payment (Payment): An amount paid  to the Company as consideration for
the benefits provided by the Contract.
 
Qualified Contract: A Contract used in  connection with a retirement plan  which
receives  favorable federal income tax treatment under Sections 401, 403, 408(c)
or 408(k) of the Internal Revenue Code of 1986, as amended ("Code").
 
Receipt: Receipt by the Company at its Annuity Service Mailing Address shown  on
the cover of this Prospectus.
 
Sub-Account:  That portion of the Variable Account  which invests in shares of a
specific Mutual Fund or a specific series of Compass Series Trust.
 
*Successor Beneficiary: The person or persons named to become the Beneficiary if
the Beneficiary is not alive.
 
Valuation Period: The period of time from one determination of Accumulation Unit
and Annuity Unit values  to the next subsequent  determination of these  values.
Such  determination shall be made as of the close of the New York Stock Exchange
on each day the  Exchange is open for  trading and on such  other days on  which
there  is a  sufficient degree  of trading  in the  portfolio securities  of the
Variable Account so that the values of the Variable Account's Accumulation Units
and Annuity Units might be materially affected.
 
Variable Account: A  separate account of  the Company consisting  of assets  set
aside  by the Company, the investment performance of which is kept separate from
that of the general assets of the Company.
 
Variable Annuity: An  annuity with payments  which vary as  to dollar amount  in
relation to the investment performance of specified Sub-Accounts of the Variable
Account.
 
- ------------------------
* As specified in the Participant Enrollment Form, unless changed.
 
                                       9
<PAGE>
                                EXPENSE SUMMARY
 
    The  purpose  of the  following table  is to  help Owners,  Participants and
prospective purchasers  to understand  the costs  and expenses  that are  borne,
directly  and  indirectly,  by  Owners  and/or  Participants  WHEN  PAYMENTS ARE
ALLOCATED TO THE VARIABLE ACCOUNT. The  table reflects expenses of the  Variable
Account  as well as of the Funds.  The expense information for certain Funds has
been restated  to reflect  current fees.  The information  set forth  should  be
considered  together  with the  narrative provided  under  the heading  "How the
Contract  Charges  Are  Assessed"  in  this  Prospectus,  and  with  the  Funds'
prospectuses.  In addition  to the expenses  listed below, premium  taxes may be
applicable.
 
   
<TABLE>
<CAPTION>
                                                    MONEY       HIGH          CAPITAL        GOVERNMENT
                                                   MARKET       YIELD      APPRECIATION      SECURITIES
CONTRACT OWNER TRANSACTION EXPENSES                SERIES      SERIES         SERIES           SERIES
- ------------------------------------------------  ---------   ---------   ---------------   -------------
<S>                                               <C>         <C>         <C>               <C>
Sales Load Imposed on Purchases.................      0             0               0               0
Deferred Sales Load (as a percentage of Purchase
  Payments withdrawn) (1)
  Years Payment in Participant's Account
    0-2.........................................        6%          6%                6%              6%
    3...........................................        5%          5%                5%              5%
    4...........................................        4%          4%                4%              4%
    5...........................................        3%          3%                3%              3%
    6...........................................        2%          2%                2%              2%
    7...........................................        1%          1%                1%              1%
    8...........................................        0%          0%                0%              0%
Exchange Fee....................................        0           0                 0               0
ANNUAL CONTRACT FEE (2)                                              $25 per contract
- ------------------------------------------------
SEPARATE ACCOUNT ANNUAL EXPENSES
- ------------------------------------------------
(as a percentage of average separate account assets)
Mortality and Expense Risk Fees (2).............        1.30%       1.30%             1.30%           1.30%
Other Fees and Expenses of the Separate
  Account.......................................        0.00%       0.00%             0.00%           0.00%
Total Separate Account Annual Expenses..........        1.30%       1.30%             1.30%           1.30%
FUND ANNUAL EXPENSES
- ------------------------------------------------
(as a percentage of Fund average net assets)
Management Fees.................................        0.50%       0.75%             0.75%           0.55%
Other Expenses..................................        0.09%       0.12%             0.08%           0.08%
Total Fund Annual Expenses......................        0.59%       0.87%             0.83%           0.63%
</TABLE>
    
 
   
<TABLE>
<CAPTION>
CONTRACT OWNER TRANSACTION EXPENSES                 MWG        MFB         MTR        MIT          MIG          MGO
- ------------------------------------------------  -------   ----------   -------   ----------   ----------   ----------
<S>                                               <C>       <C>          <C>       <C>          <C>          <C>
Sales Load Imposed on Purchases.................       0        0             0            0            0            0
Deferred Sales Load (as a percentage of Purchase
  Payments withdrawn) (1)
  Years Payment in Participant's Account
    0-2.........................................      6%        6%           6%        6%           6%           6%
    3...........................................      5%        5%           5%        5%           5%           5%
    4...........................................      4%        4%           4%        4%           4%           4%
    5...........................................      3%        3%           3%        3%           3%           3%
    6...........................................      2%        2%           2%        2%           2%           2%
    7...........................................      1%        1%           1%        1%           1%           1%
    8...........................................      0%        0%           0%        0%           0%           0%
Exchange Fee....................................      0         0            0         0            0            0
ANNUAL CONTRACT FEE (2)                                                     $25 per contract
- ------------------------------------------------
SEPARATE ACCOUNT ANNUAL EXPENSES
- ------------------------------------------------
(as a percentage of average separate account assets)
Mortality and Expense Risk Fees (2).............      1.30%     1.30%        1.30%     1.30%        1.30%        1.30%
Other Fees and Expenses of the Separate
  Account.......................................      0.00%     0.00%        0.00%     0.00%        0.00%        0.00%
Total Separate Account Annual Expenses..........      1.30%     1.30%        1.30%     1.30%        1.30%        1.30%
FUND ANNUAL EXPENSES
- ------------------------------------------------
(as a percentage of Fund average net assets)
Management Fees.................................      0.90%     0.41%        0.39%     0.27%        0.31%        0.43%
Other Expenses(3)...............................      0.61%     0.59%        0.48%     0.43%        0.42%        0.44%
Total Fund Annual Expenses......................      1.51%     1.00%        0.87%     0.70%        0.73%        0.87%
</TABLE>
    
 
                          (See footnotes on next page)
 
                                       10
<PAGE>
- ------------------------------
(1)  A portion of the Participant's Account  may be withdrawn each year  without
     imposition  of any withdrawal charge, and after a Purchase Payment has been
     held by  the Company  for  seven years  it may  be  withdrawn free  of  any
     withdrawal charge.
 
(2)  The Annual Contract Fee ("Account Fee") and Mortality and Expense Risk Fees
     ("Asset  Charge") decline based on total  Purchase Payments credited to all
     Participant's Accounts under  a Contract in  accordance with the  following
     schedule:
 
<TABLE>
<CAPTION>
PURCHASE PAYMENTS                           ACCOUNT FEE       ASSET CHARGE
- ---------------------------------------  -----------------  -----------------
<C>                     <S>              <C>                <C>
$        up to 250,000  ...............      $      25              1.30%
  250,000 to 1,499,999  ...............             18              1.25%
1,500,000 to 4,999,999  ...............             15              1.10%
    5,000,000 and over  ...............             12              0.95%
</TABLE>
 
   
    During 1995, the average  rate of the Asset  Charge under all Contracts  was
    approximately 1.21%, and no Participant was assessed an Asset Charge of more
    than 1.25%.
    
 
(3) Other expenses include annualized fees assessed under the Distribution Plans
    adopted  pursuant to Section 12(b) of the Investment Company Act of 1940 and
    Rule 12b-1 thereunder (See the Funds' prospectuses). The Distribution  Plans
    commenced  on the following dates: MTR and MWG, October 1,1989, MIT, January
    2, 1991, and MFB, MIG and MGO, March 1, 1991.
 
                                    EXAMPLE
 
    If you surrender your Contract at the end of the applicable time period, you
would pay the following  expenses on a $1,000  investment, assuming a 5%  annual
return on assets:
 
   
<TABLE>
<CAPTION>
                                                            1 YEAR       3 YEARS      5 YEARS     10 YEARS
                                                          -----------  -----------  -----------  -----------
<S>                                                       <C>          <C>          <C>          <C>
Money Market Series.....................................   $      73    $     104    $     129    $     221
High Yield Series.......................................          76          113          143          250
Capital Appreciation Series.............................          76          112          141          246
Government Securities Series............................          74          106          131          225
MFS-Registered Trademark- World Governments Fund
  (MWG).................................................          83          135          180          323
MFS-Registered Trademark- Bond Fund (MFB)...............          77          117          150          264
MFS-Registered Trademark- Total Return Fund (MTR).......          76          113          144          250
Massachusetts Investors Trust (MIT).....................          74          108          135          233
Massachusetts Investors Growth Stock Fund (MIG).........          75          109          136          236
MFS-Registered Trademark- Growth Opportunities Fund
  (MGO).................................................          76          113          143          250
</TABLE>
    
 
If  you do NOT  surrender your Contract, or  if you annuitize at  the end of the
applicable time  period,  you would  pay  the  following expenses  on  a  $1,000
investment, assuming a 5% annual return on assets:
 
   
<TABLE>
<CAPTION>
                                                            1 YEAR       3 YEARS      5 YEARS     10 YEARS
                                                          -----------  -----------  -----------  -----------
<S>                                                       <C>          <C>          <C>          <C>
Money Market Series.....................................   $      19    $      59    $     102    $     221
High Yield Series.......................................          22           68          116          250
Capital Appreciation Series.............................          22           67          114          246
Government Securities Series............................          20           61          104          225
MFS-Registered Trademark- World Governments Fund
  (MWG).................................................          29           90          153          323
MFS-Registered Trademark- Bond Fund (MFB)...............          23           72          123          264
MFS-Registered Trademark- Total Return Fund (MTR).......          22           68          116          250
Massachusetts Investors Trust (MIT).....................          20           63          108          233
Massachusetts Investors Growth Stock Fund (MIG).........          21           64          109          236
MFS-Registered Trademark- Growth Opportunities Fund
  (MGO).................................................          22           68          116          250
</TABLE>
    
 
THE  EXAMPLE  SHOULD  NOT  BE  CONSIDERED A  REPRESENTATION  OF  PAST  OR FUTURE
EXPENSES, AND ACTUAL EXPENSES MAY BE GREATER OR LOWER THAN THOSE SHOWN.
 
                                       11
<PAGE>
                     THIS PROSPECTUS IS A CATALOG OF FACTS
 
    This Prospectus contains information about the master group deferred annuity
contract  (the "Contract") which provides fixed benefits, variable benefits or a
combination of  both  as  elected  by  the Owner.  It  describes  its  uses  and
objectives,  its benefits and costs, and the  rights and privileges of the Owner
and the  Participant.  It  also  contains information  about  the  Company,  the
Variable  Account, the Fixed Account and the Mutual Funds. It has been carefully
prepared in non-technical language to help you decide whether the purchase of  a
Contract  will fit  the needs of  your retirement plan.  We urge you  to read it
carefully and  retain it  for  future reference.  The Contract  has  appropriate
provisions  relating to variable and fixed  accumulation values and variable and
fixed annuity payments.  A Variable  Annuity and  a Fixed  Annuity have  certain
similarities. Both provide that Purchase Payments, less certain deductions, will
be  accumulated  prior  to  the Annuity  Commencement  Date.  After  the Annuity
Commencement Date, annuity payments will be  made to the Annuitant. The  Company
assumes  the  mortality  and expense  risks  under  the Contract,  for  which it
receives certain amounts. The significant difference between a Variable  Annuity
and  a Fixed Annuity  is that under  a Variable Annuity,  all investment risk is
assumed by the Owner and the Participant or Payee and the amounts of the annuity
payments vary with the investment performance  of the Variable Account; under  a
Fixed Annuity, the investment risk is assumed by the Company (except in the case
of early withdrawals (See "Cash Withdrawals" and "Market Value Adjustment")) and
the  amounts of the annuity  payments do not vary.  However, the Owner bears the
risk that the Guarantee Rate  to be credited on  amounts allocated to the  Fixed
Account  may not exceed the minimum guaranteed rate of four percent (4%) for any
Guarantee Period.
 
                              USES OF THE CONTRACT
 
    The Contract is designed for use  in connection with retirement plans  which
meet  the requirements of  Section 401 (including  Section 401(k)), Section 403,
Section 408(c) or  Section 408(k) of  the Internal Revenue  Code. Effective  May
1,1990,  no new  Contracts will  be issued for  use in  connection with deferred
compensation plans  established pursuant  to Section  457 of  the Code.  Certain
federal tax advantages are currently available to retirement plans which qualify
as  (1)  self-employed  individuals'  retirement plans  under  Section  401; (2)
corporate or  association  retirement  plans  under  Section  401;  (3)  annuity
purchase  plans sponsored by  certain tax exempt  organizations or public school
systems under  Section 403(b);  and  (4) employer  or association  of  employees
individual  retirement accounts under Section  408(c) and SEP-IRAs under Section
408(k) (See "Federal Tax Status").
 
    The Contract is  also designed so  that it  may be used  in connection  with
non-tax-qualified deferred compensation and payroll savings plans.
 
    A  Contract  is  issued  to  the  Owner  covering  all  present  and  future
Participants. Each Participant receives a Certificate which evidences his or her
participation in  the  Plan  established  by the  Owner.  For  the  purposes  of
determining  benefits under the Plan, a Participant's Account is established for
each Participant.
 
                           A WORD ABOUT THE COMPANY,
          THE VARIABLE ACCOUNT, THE FIXED ACCOUNT AND THE MUTUAL FUNDS
 
THE COMPANY
 
   
    The Company is  a stock  life insurance corporation  incorporated under  the
laws  of Delaware on January  12, 1970. Its Executive  Office mailing address is
One Sun Life  Executive Park,  Wellesley Hills,  Massachusetts 02181,  telephone
(617)  237-6030. It  has obtained  authorization to  do business  in forty-eight
states, the District of Columbia and Puerto Rico, and it is anticipated that the
Company will be authorized  to do business  in all states  except New York.  The
Company  issues life insurance policies and  individual and group annuities. The
Company has formed  a wholly-owned  subsidiary, Sun Life  Insurance and  Annuity
Company   of   New  York,   which  issues   individual  fixed   and  combination
fixed/variable  annuity  contracts  and  group  life  and  long-term  disability
insurance  in  New  York.  The Company's  other  subsidiaries  are Massachusetts
Financial Services Company and Sun Capital Advisers, Inc., registered investment
advisers, Sun  Investment  Services  Company,  a  registered  broker-dealer  and
investment adviser,
    
 
                                       12
<PAGE>
   
Sun  Benefit  Services Company,  Inc.  which offers  claims,  administrative and
actuarial services,  New London  Trust, F.S.B.,  a federally  chartered  savings
bank,   Sun   Life  Financial   Services   Limited,  which   provides  off-shore
administrative services  and  Massachusetts Casualty  Insurance  Company,  which
issues individual disability income policies.
    
 
    The  Company is a  wholly-owned subsidiary of Sun  Life Assurance Company of
Canada, 150  King Street  West,  Toronto, Ontario,  Canada. Sun  Life  Assurance
Company  of Canada is  a mutual life insurance  company incorporated pursuant to
Act of Parliament of Canada in 1865  and currently transacts business in all  of
the Canadian provinces and territories, all states except New York, the District
of Columbia, Puerto Rico, the Virgin Islands, Great Britain, Ireland, Hong Kong,
Bermuda and the Philippines (See "Additional Information About the Company").
 
THE VARIABLE ACCOUNT
 
    The  basic objective of  a variable annuity contract  is to provide variable
annuity payments  which will  be to  some degree  responsive to  changes in  the
economic  environment,  including inflationary  forces and  changes in  rates of
return available from various types of investments. The Contract is designed  to
seek  to  accomplish  this  objective by  providing  that  the  variable annuity
payments (1) will  reflect the  investment performance of  the Variable  Account
with  respect to  amounts allocated to  the Variable Account  before the Annuity
Commencement Date,  and  (2) will  reflect  the investment  performance  of  the
Variable  Account after  that date. Since  the Variable Account  is always fully
invested in Fund(s) shares, its  investment performance reflects the  investment
performance  of  the Fund(s).  Values  of Fund(s)  shares  held by  the Variable
Account fluctuate and are subject to  the risks of changing economic  conditions
as  well as the risks inherent in the ability of the Fund(s)' management to make
necessary changes in the Fund(s)'  portfolios to anticipate changes in  economic
conditions. Therefore, the Owner bears the entire investment risk that the basic
objectives  of the Contract may not be realized, and that the adverse effects of
inflation may not be lessened and there  can be no assurance that the  aggregate
amount of variable annuity payments will equal or exceed the aggregate amount of
Purchase  Payments made with  respect to a  particular Participant's Account for
the reasons described above or because of the premature death of a Payee.
 
    Another important feature of the Contract related to its basic objective  is
the  Company's promise that the dollar  amount of variable annuity payments made
during the lifetime of the Payee(s) will not be adversely affected by the actual
mortality experience of the  Company or by the  actual expenses incurred by  the
Company in excess of expense deductions provided for in the Contract.
 
    Sun  Life of Canada  (U.S.) Variable Account D  (the "Variable Account") was
established by the Company  on August 20,1985, pursuant  to a resolution of  its
Board  of Directors. Under Delaware insurance  law and the Contract, the income,
gains or losses of the Variable Account  are credited to or charged against  the
assets  of the  Variable Account  without regard to  the other  income, gains or
losses of  the Company.  These assets  are  held in  relation to  the  Contracts
described in this Prospectus and such other variable annuity contracts as may be
issued  by the Company and designated by  it as providing benefits which vary in
accordance with the investment performance of the Variable Account. Although the
assets maintained  in  the  Variable  Account  will  not  be  charged  with  any
liabilities  arising out  of any  other business  conducted by  the Company, all
obligations arising under the Contracts,  including the promise to make  annuity
payments, are general corporate obligations of the Company.
 
    The  Variable Account meets  the definition of a  separate account under the
federal securities laws and is registered  as a unit investment trust under  the
Investment  Company Act of  1940. Registration with  the Securities and Exchange
Commission  does  not  involve  supervision  of  the  management  or  investment
practices  or  policies  of  the  Variable Account  or  of  the  Company  by the
Commission.
 
    The assets  of the  Variable  Account are  divided into  Sub-Accounts.  Each
Sub-Account  invests exclusively in Class A shares of a specific Mutual Fund or,
in the case of  Compass Series Trust,  in shares of a  designated series of  the
Fund.  All amounts allocated  to the Variable  Account will be  used to purchase
Fund(s) shares as designated by the Owner at their net asset value. Any and  all
distributions  made  by the  Fund(s)  with respect  to  the shares  held  by the
Variable Account will be reinvested to  purchase additional shares at their  net
asset    value.    Deductions    from   the    Variable    Account    for   cash
 
                                       13
<PAGE>
withdrawals, loans,  annuity payments,  death benefits,  Account Fees,  contract
charges  against  the  assets of  the  Variable  Account for  the  assumption of
mortality and expense risks and any applicable taxes will, in effect, be made by
redeeming the number of Fund(s) shares at  their net asset value equal in  total
value  to the amount to be deducted. The Variable Account will be fully invested
in Fund(s) shares at all times.
 
THE FIXED ACCOUNT
 
    The Fixed Account is  made up of  all of the general  assets of the  Company
other  than those allocated  to any separate account.  Purchase Payments will be
allocated to  the  Fixed Account  to  the extent  elected  at the  time  of  the
establishment of a Participant's Account or as subsequently changed. The Company
will  invest  the assets  of the  Fixed Account  in those  assets chosen  by the
Company and allowed by applicable state laws regarding the nature and quality of
investments that may be made by  life insurance companies and the percentage  of
their  assets that  may be  committed to any  particular type  of investment. In
general, these laws permit investments,  within specified limits and subject  to
certain  qualifications, in federal, state  and municipal obligations, corporate
bonds, preferred  and common  stocks,  real estate  mortgages, real  estate  and
certain other investments.
 
    The  Company  intends to  invest Purchase  Payments  allocated to  the Fixed
Account primarily in debt instruments, as follows: (1) Securities issued by  the
United  States Government or its agencies or instrumentalities, which issues may
or may not be  guaranteed by the United  States Government; (2) Debt  securities
which have an investment grade, at the time of purchase, within the four highest
grades  assigned  by  Moody's Investors  Services,  Inc.  (Aaa, Aa,  A  or Baa),
Standard &  Poor's Corporation  (AAA, AA,  A  or BBB)  or any  other  nationally
recognized rating service; (3) Other debt instruments, including but not limited
to,  issues  of or  guaranteed  by banks  or  bank holding  companies  and other
corporations, which obligations,  although not  rated by Moody's  or Standard  &
Poor's,  are deemed  by the Company's  management to have  an investment quality
comparable to securities which may be  purchased as stated above; and (4)  Other
evidences  of indebtedness secured  by mortgages or  deeds of trust representing
liens upon  real estate.  Notwithstanding the  foregoing, the  Company may  also
invest   a  portion  of  the  Fixed  Account  in  below  investment  grade  debt
instruments. Instruments rated Baa and/or BBB or lower normally involve a higher
risk of default and are less liquid than higher rated instruments. If the rating
of an  investment  grade debt  security  held  by the  Company  is  subsequently
downgraded  to below investment grade, the decision  to retain or dispose of the
security will be made based upon  an individual evaluation of the  circumstances
surrounding  the  downgrading  and the  prospects  for  continued deterioration,
stabilization and/or improvement.
 
    The Company  is not  obligated  to invest  amounts  allocated to  the  Fixed
Account  according  to any  particular strategy,  except as  may be  required by
applicable state  insurance  laws. Investment  income  from such  Fixed  Account
assets  will be allocated between the Company and all contracts participating in
the Fixed  Account,  including the  Contracts  offered by  this  Prospectus,  in
accordance with the terms of such contracts.
 
    Fixed  annuity payments made  to Annuitants under the  Contracts will not be
affected by  the mortality  experience (death  rate) of  persons receiving  such
payments or of the general population. The Company assumes this "mortality risk"
by  virtue of annuity rates incorporated in the Contract which cannot be changed
(except, as  described  under  "Modification,"  with  respect  to  Participants'
Accounts  established  after  the  effective  date  of  such  modification).  In
addition,  the  Company  guarantees  that  it  will  not  increase  charges  for
maintenance  of  the Contracts,  regardless of  its  actual expenses  (except as
described  under   "Modification"  with   respect  to   Participants'   Accounts
established after the effective date of such modification).
 
    Investment  income from the Fixed Account  allocated to the Company includes
compensation for mortality and expense risks borne by the Company in  connection
with contracts participating in the Fixed Account. The Company expects to derive
a  profit from this compensation. The amount of such investment income allocated
to the Contracts will vary from Guarantee Period to Guarantee Period in the sole
discretion of the Company. However, the  Company guarantees that it will  credit
interest  at a  rate of  not less  than four  percent (4%)  per year, compounded
annually, to amounts allocated to the Fixed
 
                                       14
<PAGE>
Account under the Contract. The Company may credit interest at a rate in  excess
of  four (4%)  per year;  however, the  Company is  not obligated  to credit any
interest in excess of four percent (4%)  per year. There is no specific  formula
for  the determination of excess interest credits. Such credits, if any, will be
determined by the Company based on information as to expected investment yields.
Some of the  factors that  the Company may  consider in  determining whether  to
credit  interest  to  amounts allocated  to  the  Fixed Account  and  the amount
thereof, are general economic  trends, rates of  return currently available  and
anticipated  on the Company's  investments, regulatory and  tax requirements and
competitive factors. The Company's general investment strategy will be to invest
amounts allocated to the Fixed  Account in investment-grade debt securities  and
mortgages using immunization strategies with respect to the applicable Guarantee
Periods.  This  includes,  with  respect to  investments  and  average  terms of
investments, using dedication (cash flow  matching) and/or duration matching  to
minimize  the Company's risk  of not achieving  the rates it  is crediting under
Initial and Subsequent Guarantee Periods in volatile interest rate environments.
ANY INTEREST CREDITED TO  AMOUNTS ALLOCATED TO THE  FIXED ACCOUNT lN  SUBSEQUENT
GUARANTEE  PERIODS IN EXCESS OF FOUR PERCENT (4%) PER YEAR WILL BE DETERMINED IN
THE SOLE DISCRETION  OF THE COMPANY.  THE OWNER ASSUMES  THE RISK THAT  INTEREST
CREDITED  TO FIXED ACCOUNT  ALLOCATIONS MAY NOT EXCEED  THE MINIMUM GUARANTEE OF
FOUR PERCENT (4%) FOR ANY GIVEN YEAR.
 
    The Company is aware  of no statutory limitations  on the maximum amount  of
interest  it may  credit, and  the Board  of Directors  has set  no limitations.
However, inherent in the Company's exercise of discretion in this regard is  the
equitable  allocation of  distributable earnings  and surplus  among its various
policyholders and contract owners and to its sole stockholder.
 
    Excess interest, if any, will be  credited on the fixed accumulation  value.
The  Company guarantees  that, at  any time, the  fixed accumulation  value of a
Participant's Account will  not be  less than  the amount  of Purchase  Payments
allocated  to the Fixed Account, plus interest  at the rate of four percent (4%)
per year, compounded annually,  plus any additional  interest which the  Company
may,  in  its discretion,  credit  to the  Fixed Account,  less  the sum  of all
administrative charges,  any applicable  premium taxes,  any amounts  previously
surrendered or withdrawn, and any loans. If the Owner surrenders the Contract or
a  Participant's  Account  is withdrawn,  the  amount available  from  the Fixed
Account will be reduced by any  applicable withdrawal charge and any unpaid  Net
Loan  Interest, and may be  increased or decreased by  a market value adjustment
(See "Withdrawal Charges" and "Market Value Adjustment").
 
THE MUTUAL FUNDS
 
    The Company  will allocate  each  Purchase Payment  to either  the  Variable
Account, the Fixed Account or both the Variable Account and the Fixed Account in
accordance  with the instructions  of the Owner.  Purchase Payments allocated to
the Variable Account are  used to purchase,  at net asset  value, shares of  the
Mutual  Fund(s)  described below,  as specified  by  the Owner.  IN THE  CASE OF
NON-TRUSTEED RETIREMENT PROGRAMS, SUCH AS SECTION 403(B) TAX-SHELTERED ANNUITIES
AND NON-QUALIFIED  DEFERRED COMPENSATION  AND  PAYROLL SAVINGS  PLANS,  PURCHASE
PAYMENTS AILOCATED TO THE VARIABLE ACCOUNT MAY BE ALLOCATED ONLY TO SUB-ACCOUNTS
INVESTING IN SHARES OF ONE OR MORE SERIES OF MFS/SUN LIFE SERIES TRUST.
 
    The  Owner designates the Fund(s) to which Purchase Payments attributable to
the Contract are to be allocated. Allocation of Purchase Payments or transfer of
Participant's Account values from one Fund to another may be changed or effected
by the Owner pursuant  to such terms  and conditions as may  be imposed by  each
Fund, in addition to those set forth in the Contract.
 
   
    The  investment  adviser  of  each  of  the  Funds,  Massachusetts Financial
Services Company ("MFS"), is  paid fees by  the Funds for  its services. MFS,  a
Delaware  corporation,  is  a subsidiary  of  the  Company. MFS  also  serves as
investment adviser  to  the other  funds  in the  MFS  Family of  Funds  and  to
additional  Variable  Accounts established  by  the Company  and  its affiliated
companies in connection  with other  variable contracts.  MFS Asset  Management,
Inc.,  a subsidiary  of MFS, provides  investment advice  to substantial private
clients.  MFS  and  its  predecessor  organizations  have  a  history  of  money
management
    
 
                                       15
<PAGE>
dating  from 1924. MFS operates as an autonomous organization and the obligation
of  performance  with  respect  to  the  investment  advisory  and  underwriting
agreements  is solely that of MFS. The  Company undertakes no obligation in this
respect.
 
    A summary of  the investment  objectives of each  Fund is  contained in  the
description  below.  More  detailed  information may  be  found  in  the current
prospectuses of  the Funds  and their  Statements of  Additional Information.  A
prospectus  for each Fund must  accompany this Prospectus and  should be read in
conjunction herewith.
 
MFS/SUN LIFE SERIES TRUST1
   
    MFS/Sun Life  Series Trust  (the  "Series Trust")  is composed  of  nineteen
independent  portfolios  of securities  each  of which  has  separate investment
objectives and  policies. Shares  of the  Series Trust  are issued  in  nineteen
series,  each corresponding to  one of the  portfolios. Shares of  four of these
series are available for investment by  Owners of the Contracts offered by  this
Prospectus.  Each  Sub-Account of  the Variable  Account invests  exclusively in
shares of one  such series.  Additional portfolios may  be added  to the  Series
Trust  which may or may not be available for investment by the Variable Account.
Shares of the Series Trust will be sold only to separate accounts established by
the Company and its  affiliates to fund benefits  under variable life  insurance
and  variable annuity products. Certain risks involved in funding benefits under
both life insurance and annuity contracts are discussed in the prospectus of the
Series Trust under the caption "Management of the Series Fund."
    
 
    (1) MONEY MARKET  SERIES ("MMS")  will seek  maximum current  income to  the
extent  consistent with stability of principal by investing exclusively in money
market instruments maturing in  less than thirteen  (13) months, including  U.S.
government   securities  and   repurchase  agreements   collateralized  by  such
securities, obligations of the larger banks, and prime commercial paper.
 
    (2) HIGH YIELD  SERIES ("HYS")  will seek  high current  income and  capital
appreciation  by  investing primarily  in fixed  income  securities of  U.S. and
foreign issuers which may be in the lower rated categories or unrated  (commonly
known  as "junk bonds") and which  may include equity features. These securities
generally involve greater volatility of price  and risk to principal and  income
and  less liquidity than  securities in the higher  rated categories. Any person
contemplating allocating  Purchase  Payments  to the  Sub-Account  investing  in
shares  of the High Yield Series should review the risk disclosure in the Series
Trust prospectus carefully and consider the investment risks involved.
 
    (3) CAPITAL APPRECIATION  SERIES ("CAS") will  seek capital appreciation  by
investing in securities of all types, with a major emphasis on common stocks.
 
    (4)  GOVERNMENT  SECURITIES  SERIES  ("GSS") will  seek  current  income and
preservation of capital by investing  in U.S. Government and  Government-related
Securities.
 
MFS-REGISTERED TRADEMARK- WORLD GOVERNMENTS FUND ("MWG")
 
    The  objectives of MWG  (a series of MFS  Series Trust VII)  are to seek not
only preservation, but also  growth of capital,  together with moderate  current
income  through a professionally  managed, internationally diversified portfolio
consisting primarily  of  debt  securities,  and, to  a  lesser  extent,  equity
securities.
 
MFS-REGISTERED TRADEMARK- BOND FUND ("MFB")
 
    MFB  (a series of MFS Series Trust IX) invests a major portion of its assets
in "investment grade" debt  securities. Its primary  investment objective is  to
provide  as high a level of current income  as is believed to be consistent with
prudent investment  risk.  A secondary  objective  is to  protect  shareholders'
capital.
 
MFS-REGISTERED TRADEMARK- TOTAL RETURN FUND ("MTR")
 
    MTR (a series of MFS Series Trust V) has as its primary investment objective
to  obtain above-average income consistent with  what its management believes to
be prudent employment of capital. While current income is the primary objective,
the Fund believes that there also should be a reasonable opportunity for  growth
of  capital  and income,  since many  securities offering  a better-than-average
yield
 
- -------------
 
1 When MFS/Sun  Life Series  Trust  is used  in  connection with  the  Contracts
  offered  by this  Prospectus it  may be  referred to  as the  "Compass" Series
  Trust.
 
                                       16
<PAGE>
   
may also possess growth potential. Under normal market conditions, at least  25%
of  the Fund's assets will  be invested in fixed  income securities and at least
40% and  no more  than 75%  of  the Fund's  assets will  be invested  in  equity
securities.
    
 
MASSACHUSETTS INVESTORS TRUST ("MIT")
 
    The objectives of MIT are to provide reasonable current income and long-term
growth  of capital and income. The Fund is believed to constitute a conservative
medium for that portion of capital which an investor wishes to have invested  in
securities  considered to be of high or improving investment quality. The assets
of the Fund  are normally invested  in common stocks  or securities  convertible
into  common stocks. However, the Fund may hold  its assets in cash or invest in
commercial paper, repurchase agreements or other forms of debt securities either
to provide  reserves for  future purchases  of common  stock or  as a  defensive
measure in certain economic environments.
 
MASSACHUSETTS INVESTORS GROWTH STOCK FUND ("MIG")
 
    MIG  has as its investment objective  to provide long-term growth of capital
and future income rather  than current income. To  achieve this objective it  is
the  policy of  the Fund to  keep its  assets invested, except  for working cash
balances, in the common stocks or securities convertible into common stocks,  of
companies  believed  by  the Fund's  management  to  possess better-than-average
prospects  for  long-term  growth.  Emphasis  is  placed  on  the  selection  of
progressive, well-managed companies.
 
MFS-REGISTERED TRADEMARK- GROWTH OPPORTUNITIES FUND ("MGO")
 
    MGO  (formerly MFS Capital  Development Fund ("MCD"))  has as its investment
objective to seek growth of capital. Dividend income, if any, is a consideration
incidental to the  objective of capital  growth. The Fund  maintains a  flexible
approach  towards types of  companies as well as  types of securities, depending
upon the economic  environment and  the relative attractiveness  of the  various
securities  markets.  Generally emphasis  is placed  upon companies  believed to
possess above average growth opportunities.
 
        PURCHASE PAYMENTS AND CONTRACT VALUES DURING ACCUMULATION PERIOD
 
PURCHASE PAYMENTS
(1) PLACE, AMOUNT AND FREQUENCY
 
    All Purchase Payments are to be paid  to the Company at its Annuity  Service
Mailing Address.
 
    Completed application forms, together with the initial Purchase Payment, are
forwarded  to  the Company  for acceptance.  Upon  acceptance, the  Contract and
Certificate(s) are issued to the Owner and Participant(s), respectively, and the
initial Purchase Payment is then credited to the Participant's Account(s) in the
form of Accumulation Units. The initial Purchase Payment must be applied  within
two  (2) business days of receipt by the Company of a completed application. The
Company may retain the Purchase Payment for  up to five (5) business days  while
attempting  to complete an incomplete application.  If the application cannot be
made complete within five (5) business days, the prospective participant will be
informed of the reasons for the delay and the Purchase Payment will be  returned
immediately  unless  the prospective  participant  specifically consents  to the
Company's retaining the Purchase Payment until the application is made complete.
Thereafter, the Purchase Payment must be  applied within two (2) business  days.
Subsequent  Purchase Payments  are applied  at the  end of  the Valuation Period
during which they are received by the Company.
 
    The amount of  Purchase Payments  may vary;  however, the  Company will  not
accept Purchase Payments to be allocated to a Participant's Account which, on an
annualized  basis,  are less  than $300  for  the first  Account Year,  and each
Purchase Payment must be at  least $25. In addition,  the prior approval of  the
Company  is required before it will accept  a Purchase Payment which would cause
the value of a  Participant's Account to  exceed $1,000,000. lf  the value of  a
Participant's  Account exceeds $1,000,000, no  additional Purchase Payments will
be accepted without the prior approval of the Company.
 
    A Participant's  Account  shall be  continued  automatically in  full  force
during  the lifetime of  the Participant until the  Annuity Commencement Date or
until the Participant's Account is withdrawn or the
 
                                       17
<PAGE>
Contract is surrendered. Unless  the Owner has surrendered  the Contract or  the
Participant's  Account has been withdrawn, Purchase  Payments may be made at any
time during the  life of the  particular Participant and  before the  particular
Participant's Annuity Commencement Date.
 
(2) ALLOCATION OF NET PURCHASE PAYMENTS
 
    The net Purchase Payment is that portion of a Purchase Payment which remains
after  deduction of  any applicable  premium or  similar tax.  Each net Purchase
Payment will be allocated to either the Fixed Account or to Sub-Accounts of  the
Variable  Account or  to both Sub-Accounts  and the Fixed  Account in accordance
with the allocation factors specified in the Participant Enrollment Form, or  as
subsequently changed.
 
    The  allocation factors for  new Payments between the  Fixed Account and the
Variable Account and among the Sub-Accounts may  be changed by the Owner at  any
time by giving written notice of the change to the Company. Any change will take
effect  with the first Purchase Payment received with or after receipt of notice
of the change  by the  Company and will  continue in  effect until  subsequently
changed.
 
ACCUMULATION ACCOUNT AND PARTICIPANT'S ACCOUNT
 
    The  Company will  establish an Accumulation  Account for  each Contract and
will maintain  the  Accumulation Account  during  the Accumulation  Period.  The
Contract's  Accumulation Account value for any  Valuation Period is equal to the
sum of the  variable accumulation values,  if any, plus  the fixed  accumulation
values,  if  any, of  all  Participants' Accounts  under  the Contract  for that
Valuation Period.
 
    The Company  will establish  a Participant's  Account for  each  Participant
under  a  Contract  and  will  maintain  the  Participant's  Account  during the
Accumulation Period. The Participant's Account value for any Valuation Period is
equal to the  sum of the  variable accumulation  value, if any,  plus the  fixed
accumulation  value, if  any, of  the Participant's  Account for  that Valuation
Period.
 
VARIABLE ACCUMULATION VALUE
(1) CREDITING VARIABLE ACCUMULATION UNITS
 
    Upon receipt of a Purchase Payment by  the Company, all or that portion,  if
any,  of  the  net Purchase  Payment  to  be allocated  to  any  Sub-Accounts in
accordance with the  allocation factors  will be credited  to the  Participant's
Account  in the  form of Variable  Accumulation Units. The  number of particular
Variable Accumulation Units to be credited is determined by dividing the  dollar
amount allocated to the particular Sub-Account by the Variable Accumulation Unit
value  for the particular Sub-Account for  the Valuation Period during which the
Purchase Payment is received by the Company.
 
(2) VARIABLE ACCUMULATION UNIT VALUE
 
    The Variable Accumulation Unit value for each Sub-Account was established at
$10.00 for  the  first  Valuation  Period of  the  particular  Sub-Account.  The
Variable  Accumulation  Unit  value  for  the  particular  Sub-Account  for  any
subsequent  Valuation  Period  is  determined   by  methodology  which  is   the
mathematical  equivalent of multiplying the Variable Accumulation Unit value for
the particular Sub-Account for the immediately preceding Valuation Period by the
Net Investment  Factor  for  the  particular  Sub-Account  for  such  subsequent
Valuation  Period. The Variable Accumulation Unit value for each Sub-Account for
any Valuation Period is  the value determined  as of the  end of the  particular
Valuation  Period and may  increase, decrease or remain  the same from Valuation
Period to  Valuation  Period  in  accordance  with  the  Net  Investment  Factor
described below. For a hypothetical example of the calculation of the value of a
Variable Accumulation Unit, see Appendix A.
 
(3) VARIABLE ACCUMULATION VALUE
 
    The  variable accumulation  value of a  Contract, if any,  for any Valuation
Period is equal  to the  sum of  the value  of all  Variable Accumulation  Units
credited  to all  Participant's Accounts under  the Contract  for such Valuation
Period.
 
    The variable accumulation value of a Participant's Account, if any, for  any
Valuation  Period is equal to the sum  of the value of all Variable Accumulation
Units credited to the Participant's Account for such Valuation Period.
 
                                       18
<PAGE>
(4) NET INVESTMENT FACTOR
 
    The Net Investment  Factor is  an index  applied to  measure the  investment
performance  of a  Sub-Account from  one Valuation Period  to the  next. The Net
Investment Factor may be  greater or less  than or equal  to one; therefore  the
value of a Variable Accumulation Unit may increase, decrease or remain the same.
 
    The  Net Investment Factor  for any Sub-Account for  any Valuation Period is
determined by dividing (a) by (b) and then subtracting (c) from the result where
 
    (a) is the net result of:
 
        (1) the  net  asset  value of  a  Fund  share held  in  the  Sub-Account
           determined as of the end of the Valuation Period, plus
 
        (2)  the per share amount of any dividend or other distribution declared
           by the  Fund  issuing the  shares  held  in the  Sub-Account  if  the
           "ex-dividend" date occurs during the Valuation Period, plus or minus
 
        (3)  a per  share credit  or charge  with respect  to any  taxes paid or
           reserved for by  the Company  during the Valuation  Period which  are
           determined  by the Company to be attributable to the operation of the
           Sub-Account (no  federal income  taxes are  applicable under  present
           law).
 
    (b)  is  the  net  asset value  of  a  Fund share  held  in  the Sub-Account
       determined as of the end of the preceding Valuation Period; and
 
    (c) is the risk  charge factor determined by  the Company for the  Valuation
       Period  to  reflect the  charge for  assuming  the mortality  and expense
       risks.
 
FIXED ACCUMULATION VALUE
(1) INITIAL AND SUBSEQUENT GUARANTEE PERIODS
 
    The Owner elects  an Initial Guarantee  Period of one  (1), three (3),  five
(5),  or seven (7) years or any  combination thereof. The period(s) elected will
determine the  Initial Guarantee  Rate(s) and  the Purchase  Payment or  portion
thereof   allocated  to  the  particular  Initial  Guarantee  Period  (less  any
surrenders, loans and applicable premium taxes,  if any,) will earn interest  at
the Initial Guarantee Rate during the Initial Guarantee Period.
 
    Unless a Participant's Account is surrendered, a Subsequent Guarantee Period
will automatically commence at the end of an Initial Guarantee Period or another
Subsequent  Guarantee Period.  Each Subsequent Guarantee  Period will  be of the
same duration as the previous Initial or Subsequent Guarantee Period unless  the
Owner elects, within the thirty (30) day period prior to the end of the previous
Initial  or Subsequent Guarantee Period, a different Subsequent Guarantee Period
from among those Subsequent  Guarantee Periods being offered  by the Company  at
such  time. The Guarantee Rate for the Guarantee Period automatically applied in
these circumstances may  be higher or  lower than the  Guarantee Rate for  other
Guarantee  Periods.  The Owner  will  not receive  prior  written notice  of the
Guarantee Rate for any Guarantee Period automatically applied and a Market Value
Adjustment will  be applied  to any  amounts withdrawn  from the  Fixed  Account
(except  in  the case  of  the death  of the  Participant  prior to  the Annuity
Commencement Date or annuitization over a period of at least five (5) years).
 
(2) CREDITING FIXED ACCUMULATION UNITS
 
    Upon receipt of a Purchase Payment by  the Company, all or that portion,  if
any,  of  the net  Purchase  Payment to  be allocated  to  the Fixed  Account in
accordance with  the allocation  factor will  be credited  to the  Participant's
Account  in the form  of Fixed Accumulation Units.  Fixed Accumulation Units are
established and valued separately for the one (1), three (3), five (5) and seven
(7) year Guarantee Periods. The number of particular Fixed Accumulation Units to
be credited is determined by dividing the dollar amount allocated to a Guarantee
Period by the  Fixed Accumulation  Unit value of  the particular  type of  Fixed
Accumulation  Unit for the Valuation Period during which the Purchase Payment is
received by the Company.
 
                                       19
<PAGE>
(3) FIXED ACCUMULATION UNIT VALUE
 
    The Fixed Accumulation Unit value for  each type of Fixed Accumulation  Unit
is established at $10.00 for the first Valuation Period of the calendar month in
which  a  Purchase Payment  is credited  to the  Participant's Account  and will
increase for  each  successive Valuation  Period  as interest  is  accrued.  All
Participants'  Accounts  established  in  a  particular  calendar  month  for  a
particular Guarantee  Period and  at  a particular  Initial Guarantee  Rate,  as
specified  in advance by the Company from time to time, will use the same series
of Fixed Accumulation Unit values throughout the Initial Guarantee Period.
 
    At the end  of the  Initial Guarantee  Period the  Fixed Accumulation  Units
credited to a Participant's Account will be exchanged for a second type of Fixed
Accumulation  Unit with an equal aggregate value.  The value of this second type
of Fixed Accumulation Unit will increase  for each Valuation Period during  each
Subsequent  Guarantee Period as interest is  accrued at the Subsequent Guarantee
Rate which shall have been determined by  the Company prior to the first day  of
each Subsequent Guarantee Period.
 
(4) FIXED ACCUMULATION VALUE
 
    The  fixed accumulation  value of a  Participant's Account, if  any, for any
Valuation Period is equal  to the sum  of the values  of all Fixed  Accumulation
Units credited to the Participant's Account for such Valuation Period.
 
(5) INITIAL AND SUBSEQUENT GUARANTEE RATES
 
    The  Company periodically  will establish applicable  Initial and Subsequent
Guarantee Rates for the four Guarantee Periods. Current Rates may be changed  by
the  Company frequently or infrequently depending on interest rates available to
the Company and  other factors as  described below, but  once established  rates
will  be  guaranteed  for  the  respective  Guarantee  Periods;  however,  Fixed
Accumulation Units will be  subject to any  applicable withdrawal charge  and/or
Account  Fee and  may be subject  to a  market value adjustment  on surrender or
withdrawal (See "Market Value Adjustment").
 
    The Company will  credit interest to  the fixed portion  of a  Participant's
Account  at  a rate  of not  less than  four percent  (4%) per  year, compounded
annually. Once the Initial or Subsequent Guarantee Rate applicable to a specific
Fixed Accumulation Unit is established by the Company, it may not be changed for
the balance of the Guarantee Period.
 
    The Company has  no specific formula  for determining the  rate of  interest
that  it will declare as an Initial or Subsequent Guarantee Rate, as these rates
will be reflective of interest rates available on the types of debt  instruments
in  which the Company intends to invest Purchase Payments allocated to the Fixed
Account (See "The  Fixed Account").  In addition, the  Company's management  may
consider  other factors in determining Initial or Subsequent Guarantee Rates for
a  particular  duration  including:  regulatory  and  tax  requirements;   sales
commissions  and administrative expenses borne  by the Company; general economic
trends; and competitive factors.
 
    The Owner bears the risk that the  Guarantee Rate to be credited on  amounts
allocated  to the Fixed  Account may not  exceed the minimum  guaranteed rate of
four percent (4%) for any Guarantee Period.
 
CONVERSION OF ACCUMULATION UNITS
 
    During the Accumulation Period the Owner may, upon written request  received
by  the Company, convert the value of  a designated number of Fixed Accumulation
Units then credited  to a  Participant's Account into  other Fixed  Accumulation
Units having an equal aggregate value but having a different Guarantee Period or
into  Variable  Accumulation Units  of particular  Sub-Accounts having  an equal
aggregate value,  or  convert the  value  of  a designated  number  of  Variable
Accumulation  Units  then  credited  to  the  Participant's  Account  into other
Variable Accumulation  Units and/or  Fixed Accumulation  Units having  an  equal
aggregate  value. These transfers/conversions shall,  however, be subject to the
following conditions: (1) not more than  twelve (12) conversions may be made  in
any  Account Year; and (2) the value  of Accumulation Units converted may not be
less than $1,000 unless all  of the Fixed Accumulation  Units and/or all of  the
Variable  Accumulation  Units  of  a  particular  Sub-Account  credited  to  the
Participant's Account are  being converted.  IN ADDITION,  TRANSFERS/CONVERSIONS
INVOLVING  FIXED ACCUMULATION UNITS WITH  THREE (3), FIVE (5)  OR SEVEN (7) YEAR
GUARANTEE PERIODS WILL BE SUBJECT TO A
 
                                       20
<PAGE>
MARKET VALUE  ADJUSTMENT  (SEE  "MARKET  VALUE  ADJUSTMENT"  ON  PAGE  23),  AND
TRANSFERS/CONVERSIONS  INVOLVING VARIABLE ACCUMULATION UNITS SHALL BE SUBJECT TO
SUCH TERMS AND CONDITIONS AS MAY BE IMPOSED BY EACH FUND. The conversion will be
made using the Accumulation  Unit values for the  Valuation Period during  which
the  request for conversion  is received by  the Company. Under  current tax law
there will not be any tax liability to the Owner if the Owner makes a conversion
of Accumulation Units.
 
         CASH WITHDRAWALS, WITHDRAWAL CHARGES, MARKET VALUE ADJUSTMENT
                               AND LOAN PROVISION
 
CASH WITHDRAWALS
 
    At any time before the Annuity Commencement Date and during the lifetime  of
the  Participant, the Owner may elect to  receive a cash withdrawal payment from
the Company. Any such  election shall specify the  amount of the withdrawal  and
will  be  effective  on  the  date  that it  is  received  by  the  Company. For
withdrawals in excess of $5,000, the  signature of the Owner must be  guaranteed
by  a member firm of  the New York, American,  Boston, Midwest, Philadelphia, or
Pacific Stock Exchange, or by a commercial bank (not a savings bank) which is  a
member  of the Federal Deposit Insurance Corporation, or, in certain cases, by a
member firm of the  National Association of Securities  Dealers, Inc. which  has
entered  into an appropriate agreement with the Company. This requirement may be
waived by the  Company. In some  cases, for example  requests by a  corporation,
partnership,   agent  or   fiduciary,  the   Company  will   require  additional
documentation of a customary nature.
 
    The Owner  may request  a full  surrender or  a partial  withdrawal. A  full
surrender  will result in  a cash withdrawal  payment equal to  the value of the
Participant's Account  at the  end  of the  Valuation  Period during  which  the
election  becomes effective less  the Account Fee  and any applicable withdrawal
charge and/or unpaid  Net Loan  Interest, plus  or minus  any applicable  Market
Value  Adjustment.  A  request  for  a partial  withdrawal  will  result  in the
cancellation of Accumulation Units with an  aggregate value equal to the  dollar
amount  requested, and the  Participant will receive  the specified amount, less
any applicable Account  Fee and  any withdrawal  charge and/or  unpaid Net  Loan
Interest  and plus or minus any applicable Market Value Adjustment. If a partial
withdrawal is requested which would leave a Participant's Account value of  less
than  the Account Fee,  then such partial  withdrawal will be  treated as a full
surrender. Partial withdrawals may be restricted by the maximum loan limitation.
The Account Fee  and any  applicable withdrawal  charge and/or  unpaid Net  Loan
Interest  will be deducted from the Participant's Account before the application
of the Market Value Adjustment.
 
    UNLESS  INSTRUCTED  TO   THE  CONTRARY,  the   Company  will  cancel   Fixed
Accumulation   Units  and   Variable  Accumulation   Units  of   the  particular
Sub-Accounts in the same proportion that  the total value of Fixed  Accumulation
Units  and  Variable  Accumulation  Units of  the  particular  Sub-Accounts then
credited to the  Participant's Account bear  to the value  of the  Participant's
Account  at the end  of the Valuation  Period during which  the election becomes
effective. Since Fixed Accumulation  Units with a three  (3), five (5) or  seven
(7)  year Guarantee Period are subject to  a Market Value Adjustment in addition
to any applicable withdrawal charge, an Owner electing a cash withdrawal payment
should carefully  consider  whether  Fixed Accumulation  Units  and/or  Variable
Accumulation Units should be cancelled to provide the requested payment.
 
    The  Company,  upon request,  will advise  the Owner  or Participant  of the
amounts that  would be  payable in  the event  of a  full surrender  or  partial
withdrawal.
 
    Any cash withdrawal payment will be paid within seven (7) days from the date
the  election becomes effective, except as the Company may be permitted to defer
such payment  in  accordance  with  the  Investment  Company  Act  of  1940  and
applicable  state insurance law. Deferral of amounts withdrawn from the Variable
Account is currently permissible  only (1) for any  period (a) during which  the
New  York Stock  Exchange is  closed other  than customary  week-end and holiday
closings, or  (b)  during  which trading  on  the  New York  Stock  Exchange  is
restricted  as determined by the Securities and Exchange Commission, (2) for any
period during which an  emergency exists as  a result of  which (a) disposal  of
securities  held by the Fund(s) is not  reasonably practicable, or (b) it is not
reasonably practicable to determine the value  of the net assets of the  Fund(s)
or (3) for such other periods as the Securities and
 
                                       21
<PAGE>
Exchange  Commission may by order permit for the protection of security holders.
The Company reserves the  right to defer the  payment of amounts withdrawn  from
the  Fixed Account  for a  period not  to exceed  six (6)  months from  the date
written request for such withdrawal is received by the Company.
 
    Since the Qualified Contracts offered by  this Prospectus will be issued  in
connection  with retirement  plans which meet  the requirements  of Section 401,
Section 403, Section  408(c) and Section  408(k) of the  Internal Revenue  Code,
reference  should be made to the terms of the particular retirement plan for any
limitations or  restrictions  on  cash  withdrawals.  For  special  restrictions
applicable  to  withdrawals  from Contracts  used  with  Tax-Sheltered Annuities
established pursuant  to  Section  403(b)  of the  Internal  Revenue  Code,  see
"Section 403(b) Annuities" below.
 
    A cash withdrawal under either a Qualified or Non-Qualified Contract offered
by  this Prospectus also may result in a  tax penalty. The tax consequences of a
cash withdrawal payment under both Qualified and Non-Qualified Contracts  should
be carefully considered (See "Federal Tax Status").
 
WITHDRAWAL CHARGES
 
    If a cash withdrawal payment is made, a withdrawal charge may be assessed by
the  Company.  Up  to ten  percent  (10%)  of Purchase  Payments  credited  to a
Participant's Account for  less than  seven (7) years  may be  withdrawn in  any
Account  Year on a  non-cumulative basis without the  imposition of a withdrawal
charge. Amounts withdrawn from a Participant's Account in excess of ten  percent
(10%)  will be subject to a withdrawal charge assessed against Purchase Payments
credited to the Participant's Account (not against the accumulated value of  the
Participant's Account) as follows:
 
<TABLE>
<CAPTION>
         NUMBER OF
     YEARS PAYMENTS IN
   PARTICIPANT'S ACCOUNT         WITHDRAWAL CHARGE
- ---------------------------  -------------------------
<S>                          <C>
                 1                          6%
                 2                          6%
                 3                          5%
                 4                          4%
                 5                          3%
                 6                          2%
                 7                          1%
                 8                          0%
</TABLE>
 
    To  effect a  full surrender  or partial  withdrawal, the  oldest previously
unliquidated Payment will be deemed to have been liquidated first, then the next
oldest and so forth. Once all  Payments have been withdrawn, additional  amounts
withdrawn will be attributed to accumulated value.
 
    No  withdrawal charge is imposed upon amounts withdrawn from a Participant's
Account to provide a death benefit or to purchase an annuity (provided that  the
payment  under the Annuity Option elected is over  a period of at least five (5)
years), nor is  any withdrawal  charge imposed  upon amounts  withdrawn after  a
Participant's  Account has been established  for twelve (12) years, irrespective
of when  a Purchase  Payment  or a  cash withdrawal  payment  is made.  Also  no
withdrawal charge is imposed upon the conversion of Accumulation Units. HOWEVER,
EXCEPT  IN THE CASE  OF DEATH OR  ANNUITIZATION, ALL WITHDRAWALS  FROM THE FIXED
ACCOUNT OF AMOUNTS WITH A THREE (3), FIVE (5) OR SEVEN (7) YEAR GUARANTEE PERIOD
ARE SUBJECT TO A MARKET VALUE ADJUSTMENT  AS DESCRIBED BELOW IN ADDITION TO  ANY
APPLICABLE WITHDRAWAL CHARGES.
 
    In  no  event  shall the  aggregate  withdrawal charges  assessed  against a
Participant's Account exceed six percent (6%) of the aggregate Purchase Payments
made to a  Participant's Account.  The Company may,  upon notice  to the  Owner,
modify  the withdrawal charges provided that  such modification shall apply only
to  Participants'  Accounts  established  after  the  effective  date  of   such
modification.
 
    For illustrative examples of withdrawals, surrenders, withdrawal charges and
the market value adjustment, see Appendix C.
 
SECTION 403(B) ANNUITIES
 
    The  Internal  Revenue Code  imposes restrictions  on cash  withdrawals from
Contracts used with Section  403(b) Annuities. In order  for these Contracts  to
receive tax deferred treatment, the Contract
 
                                       22
<PAGE>
must  provide that cash withdrawals of  amounts attributable to salary reduction
contributions (other  than  withdrawals  of Accumulation  Account  value  as  of
December 31, 1988 ("Pre-1989 Account Value")) may be made only when the Contract
Owner  attains age  59 1/2,  separates from service  with the  employer, dies or
becomes disabled (within  the meaning of  Section 72(m)(7) of  the Code).  These
restrictions  apply to  any growth or  interest on  or after January  1, 1989 on
Pre-1989 Account Value, salary reduction contributions made on or after  January
1,  1989, and any growth or  interest on such contributions ("Restricted Account
Value").
 
    Withdrawals of  Restricted Account  Value  are also  permitted in  cases  of
financial  hardship,  but  only  to the  extent  of  contributions;  earnings on
contributions cannot be  withdrawn for  hardship reasons.  While specific  rules
defining  hardship have not been  issued by the Internal  Revenue Service, it is
expected that to  qualify for a  hardship distribution, the  Owner must have  an
immediate and heavy bona fide financial need and lack other resources reasonably
available  to satisfy the  need. Hardship withdrawals (as  well as certain other
premature withdrawals) will be  subject to a ten  percent (10%) tax penalty,  in
addition  to any withdrawal  charge applicable under  the Contract (See "Federal
Tax Status").
 
    Under the  terms of  a particular  Section  403(b) plan,  the Owner  may  be
entitled  to transfer all or a portion  of the Accumulation Account value to one
or  more  alternative  funding  options.  Contract  Owners  should  consult  the
documents  governing  their plan  and the  person who  administers the  plan for
information as to such investment alternatives.
 
    In imposing these restrictions on withdrawals, the Company is relying upon a
no-action letter dated November  28, 1988 from the  staff of the Securities  and
Exchange  Commission to the American Council of Life Insurance, the requirements
for which have been complied with by the Company.
 
    For information on the  federal income tax withholding  rules that apply  to
distributions  from Qualified Contracts (including Section 403(b) Annuities) see
"Federal Tax Status".
 
MARKET VALUE ADJUSTMENT
 
    Any cash withdrawal from the Fixed Account of amounts with a three (3), five
(5) or  seven (7)  year  Guarantee Period  will be  subject  to a  Market  Value
Adjustment ("MVA"), except in the case of payment of a guaranteed death benefit,
or  in the  event of  annuitization over a  payout period  of at  least five (5)
years. The MVA will be applied to the amount being withdrawn after deduction  of
any applicable Account Fee, withdrawal charge and/or unpaid Net Loan Interest.
 
    The  MVA  will reflect  the relationship  between the  Current Rate  for the
Guarantee Period  of  the  amount  being  surrendered  and  the  Guarantee  Rate
applicable  to the amount being surrendered. It also reflects the time remaining
in the Guarantee  Period. Generally,  if the Guarantee  Rate is  lower than  the
applicable  Current Rate, then the application of the MVA will result in a lower
payment upon surrender.  Similarly, if  the Guarantee  Rate is  higher than  the
applicable  Current Rate,  the application  of the MVA  will result  in a higher
payment upon surrender. If the Current Rate and the Guarantee Rate are the same,
then the MVA is zero.
 
    The Market  Value  Adjustment  is  determined  by  the  application  of  the
following formula:
 
       .75 (A-B) x C/12 where:
 
       A  =  interest  rate  being  credited  to  the  amount  being surrendered
       (Guarantee Rate);
 
       B = the  rate the Company  has established  at the time  of surrender  on
       allocations  to  Initial or  Subsequent Guarantee  Periods with  the same
       Guarantee Period as that of the amount being surrendered (Current  Rate);
       and
 
       C  = the  months remaining  in the Guarantee  Period of  the amount being
       surrendered.
 
    For example, assume Purchase Payments are allocated to the Fixed Account for
a Guarantee Period of five (5) years and the Guarantee Rate is five percent (5%)
per year. Assume at the  end of three (3) years  this amount is surrendered.  If
the  Current  Rate for  five (5)  years is  four percent  (4%), then  the amount
payable after application of the  MVA will increase. On  the other hand, if  the
Current  Rate is higher than the Guarantee  Rate, for example, six percent (6%),
the application of  the MVA will  cause a  decrease in the  amount payable  upon
surrender.
 
                                       23
<PAGE>
    Since  current yields are based in part upon the investment yields available
to the Company, the effect of the MVA  will be closely related to the levels  of
such  yields.  It  is  possible, therefore,  that  should  such  yields increase
significantly from  the  time  Purchase  Payments are  allocated  to  the  Fixed
Account, with the application of the MVA, Account Fee, withdrawal charges and/or
unpaid  Net Loan Interest the  amount payable upon surrender  could be less than
the original Purchase Payment.
 
    The Company may, upon notice to the Owner, modify the MVA formula,  provided
that  such modification shall  apply only to  Participants' Accounts established
after the effective date of such modification.
 
    See Appendix C for additional illustrations of the application of the MVA.
 
LOANS (QUALIFIED CONTRACTS ONIY)
 
    Loans will be permitted (to the  extent permitted by Plans) UNDER  QUALIFIED
CONTRACTS  ONLY.  The maximum  loan amount  is the  amount determined  under the
Company's maximum loan formula for qualified  plans. The minimum loan amount  is
$1,000.  Loans will be secured by a security interest in the Contract. Loans are
subject to  applicable  retirement program  legislation  and their  taxation  is
determined under the Federal income tax laws. The amount borrowed may be subject
to  the  Market  Value  Adjustment  described  above.  A  negative  Market Value
Adjustment will result  in a  higher effective  loan interest  rate. The  amount
borrowed  will be transferred to a  fixed minimum guarantee accumulation account
in the Company's general  account where it will  accrue interest at a  specified
rate  below the then current loan interest  rate established by the Company. The
latter rate is the maximum fixed  interest rate established by state  regulatory
authorities. Generally, loans must be repaid within five (5) years.
 
    The  amount of the death benefit, the amount payable on a full surrender and
the amount applied to provide an  annuity on the Annuity Commencement Date  will
be  reduced to reflect any unpaid Net  Loan Interest. Partial withdrawals may be
restricted by the maximum loan limitation.
 
    The tax consequences  of a  loan from  the Contract  (or the  pledge of  the
Contract  as collateral for a loan) should be carefully considered (See "Federal
Tax Status").
 
    Additional information  regarding loans  under Qualified  Contracts will  be
provided by the Company upon request.
 
                                 DEATH BENEFIT
 
DEATH BENEFIT PROVIDED BY THE CONTRACT
 
    In  the  event  of  the  death  of  the  Participant  prior  to  the Annuity
Commencement Date, the Company will pay  a death benefit to the Beneficiary.  If
there  is  no  designated  Beneficiary  living  on  the  date  of  death  of the
Participant, the Company will, upon  receipt of Due Proof  of Death of both  the
Participant  and the designated Beneficiary, pay the death benefit in one sum to
the estate of  the Participant. If  the death  of the Participant  occurs on  or
after  the Annuity Commencement Date, no death benefit will be payable under the
Contract except as may be provided under the Annuity Option elected.
 
ELECTION AND EFFECTIVE DATE OF ELECTION
 
    During the lifetime of the Participant and prior to the Annuity Commencement
Date, the Owner may elect to have the value of the Participant's Account applied
under one  or more  Annuity Options  to effect  a Variable  Annuity or  a  Fixed
Annuity or a combination of both for the Beneficiary as Payee after the death of
the  Participant. If no election of a  method of settlement of the death benefit
by the  Owner  is in  effect  on  the date  of  death of  the  Participant,  the
Beneficiary  may elect (a)  to receive the death  benefit in the  form of a cash
payment; or (b) to have the value of the Participant's Account applied under one
or more of the Annuity Options (on the Annuity Commencement Date described under
"Payment of Death Benefit") to effect a Variable Annuity or a Fixed Annuity or a
combination of  both for  the Beneficiary  as Payee.  Either election  described
above  may be made by filing with the Company a written election in such form as
the Company may require.  Any election of  a method of  settlement of the  death
benefit  by the  Owner (or by  the Participant,  as permitted by  the Plan) will
become effective on the date  it is received by the  Company. Any election of  a
method  of  settlement  of the  death  benefit  by the  Beneficiary  will become
effective on the later of: (a) the date the election is received by the Company;
or (b) the date due proof of the death of
 
                                       24
<PAGE>
the Participant and any required release or consent from any inheritance  taxing
authority  or surviving spouse, if applicable, is received by the Company. If an
election by the  Beneficiary is not  received by the  Company within sixty  (60)
days  following  the date  due proof  of the  death of  the Participant  and any
required release or consent is received by the Company, the Beneficiary will  be
deemed  to have elected a cash payment as of  the last day of the sixty (60) day
period.
 
    In all cases, no  Participant or Beneficiary shall  be entitled to  exercise
any  rights that  would adversely  affect the  treatment of  the Contract  as an
annuity contract under the Internal Revenue Code.
 
    Reference should be made to the terms of the particular retirement plan  and
any  applicable legislation for any limitations  or restrictions on the election
of a method of settlement and payment of the death benefit.
 
PAYMENT OF DEATH BENEFIT
 
    If the death benefit is to be paid in cash to the Beneficiary, payment  will
be  made within seven (7) days of the  date the election becomes effective or is
deemed to become effective, except as the Company may be permitted to defer  any
such payment of amounts derived from the Variable Account in accordance with the
Investment Company Act of 1940. If the death benefit is to be paid in one sum to
the  estate of the deceased  Participant, payment will be  made within seven (7)
days of the date due proof of  the death of the Participant and the  Beneficiary
is  received by  the Company.  If settlement  under one  or more  of the Annuity
Options is elected by the Owner  with respect to the Participant's Account,  the
Annuity  Commencement Date will  be the first  day of the  second calendar month
following  the  date  due  proof  of  the  death  of  the  Participant  and  the
Beneficiary,  if any, is received by the Company.  In the case of an election by
the Beneficiary, the  Annuity Commencement  Date will be  the first  day of  the
second  calendar month following the effective  date of the election. An Annuity
Commencement Date later than that described above may be elected by an Owner  or
a Beneficiary subject to certain restrictions (See "Annuity Commencement Date").
 
AMOUNT OF DEATH BENEFIT
 
    The  death benefit is equal to the greater of the value of the Participant's
Account or  total  Purchase Payments  made  with respect  to  the  Participant's
Account,  minus the sum of all withdrawals  and loans. The death benefit will be
reduced by any  unpaid Net  Loan Interest. No  Market Value  Adjustment will  be
applied  to amounts derived from the Fixed Account. The Accumulation Unit values
used in determining the amount of the  death benefit will be the values for  the
Valuation  Period during  which due  proof of  the death  of the  Participant is
received by  the  Company  if  settlement  is  elected  by  the  Owner  (or  the
Participant,  if permitted by the Plan) under one or more of the Annuity Options
or, if  no election  by  the Owner  is  in effect,  either  the values  for  the
Valuation  Period during  which an  election by  the Beneficiary  either becomes
effective or is deemed effective, or the values for the Valuation Period  during
which  due  proof  of the  death  of  both the  Participant  and  the designated
Beneficiary is received by the Company if the amount of the death benefit is  to
be paid in one sum to the deceased Participant's estate.
 
                     HOW THE CONTRACT CHARGES ARE ASSESSED
 
    As  more fully described  below, charges under the  Contract offered by this
Prospectus are  assessed in  three ways:  (1) as  deductions for  administrative
expenses  and,  if applicable,  for premium  taxes; (2)  as charges  against the
assets of  the Variable  Account for  the assumption  of mortality  and  expense
risks;  and (3)  as withdrawal charges  (contingent deferred  sales charges). In
addition, certain  deductions  are made  from  the  assets of  the  Fund(s)  for
investment  management fees and expenses. These  fees and expenses are described
in the Funds' prospectuses and Statements of Additional Information.
 
ACCOUNT FEE
 
    Each year  on  the  Account  Anniversary,  the  Company  deducts  from  each
Participant's  Account an annual  account administration fee  ("Account Fee") to
reimburse it  for  administrative expenses  relating  to the  Contract  and  the
Participant's  Account. If the Participant's Account is surrendered for its full
value on other than the Account Anniversary, the Account Fee will be deducted in
full at the time of  such surrender. The Account Fee  will be deducted in  equal
amounts from the Fixed Account and each Sub-Account in which the Participant has
Accumulation   Units   at  the   time  of   such   deduction.  On   the  Annuity
 
                                       25
<PAGE>
Commencement Date, the value of the  Participant's Account will be reduced by  a
proportionate  amount of the Account Fee to reflect the time elapsed between the
last Account Anniversary and the day before the Annuity Commencement Date. After
the Annuity Commencement Date,  the Account Fee will  be deducted pro rata  from
each annuity payment made during the year.
 
    The amount of the Account Fee assessed against each Participant's Account is
based  on total Purchase Payments credited to all Participants' Accounts under a
Contract in accordance with the following schedule:
 
<TABLE>
<CAPTION>
     PURCHASE PAYMENTS          ACCOUNT FEE
- ----------------------------  ---------------
<S>                           <C>
$        up to 250,000           $      25
  250,000 to 1,499,999                  18
 1,500,000 to 4,999,999                 15
 5,000,000 and over                     12
</TABLE>
 
    The level of Purchase Payments credited to all Participants' Accounts  under
a  Contract is reviewed semi-annually and the Account Fee to be assessed against
Participants' Accounts during the next six (6) month period is determined.  Once
Purchase  Payments credited to all Participants' Accounts under a Contract reach
a level  which produces  a lower  Account  Fee, the  Account Fee  applicable  to
existing  Participants'  Accounts  under  the  Contract  will  not  be increased
irrespective of  subsequent withdrawals  from Participants'  Accounts under  the
Contract.  The Contract  provides that  the Company  may modify  the Account Fee
provided that such modification shall  apply only with respect to  Participants'
Accounts  established  after  the  effective  date  of  such  modification  (See
"Modification"). The Company does not expect  to make a profit from the  Account
Fee.
 
PREMIUM TAXES
 
    A  deduction, when applicable, is made for premium or similar state or local
taxes (See Appendix B). It is currently the policy of the Company to deduct  the
tax  from the amount applied to provide  an annuity at the time annuity payments
commence; however, the  Company reserves  the right  to deduct  such taxes  when
incurred.
 
CHARGES AGAINST THE VARIABLE ACCOUNT FOR MORTALITY AND EXPENSE RISKS
 
    The  mortality  risk  assumed by  the  Company arises  from  the contractual
obligation to continue to make annuity payments to each Annuitant regardless  of
how  long the  Annuitant lives and  regardless of  how long all  annuitants as a
group live. This  assures each annuitant  that neither the  longevity of  fellow
annuitants  nor an improvement in life expectancy generally will have an adverse
effect on the  amount of any  annuity payment received  under the Contract.  The
Company assumes this mortality risk by virtue of annuity rates incorporated into
the  Contract  which  cannot be  changed  except with  respect  to Participants'
Accounts established after the effective date of such change, as provided in the
section of this Prospectus entitled "Modification." The expense risk assumed  by
the Company is the risk that the administrative charges provided in the Contract
may  be insufficient to cover the  actual total administrative expenses incurred
by the Company.
 
    For assuming these risks,  the Company makes a  deduction from the  Variable
Account  at the end of each Valuation Period during both the Accumulation Period
and after annuity payments begin. The amount  of this deduction is based on  all
Variable  Accumulation  Units  credited to  a  Participant's Account  or  on all
Variable Annuity Units credited to a Participant's Account, as the case may be.
 
    The rate of this  deduction varies and is  based on total Purchase  Payments
credited  to all Participants' Accounts under  a Contract in accordance with the
following schedule:
 
<TABLE>
<CAPTION>
     PURCHASE PAYMENTS          ASSET CHARGE
- ----------------------------  -----------------
<S>                           <C>
$        up to 250,000                1.30%
  250,000 to 1,499,999                1.25%
 1,500,000 to 4,999,999               1.10%
 5,000,000 and over                   0.95%
</TABLE>
 
                                       26
<PAGE>
   
    The level of Purchase Payments credited to all Participants' Accounts  under
a  Contract is reviewed semi-annually and the  asset charge for the next six (6)
month  period  is  determined.  The  rate  of  this  deduction  may  be  changed
semi-annually  by the Company but  in no event may it  exceed 1.30% on an annual
basis  except  as  provided   in  the  section   of  this  Prospectus   entitled
"Modification."  Once Purchase  Payments credited to  all Participants' Accounts
under a Contract reach a  level which produces a  lower asset charge, the  asset
charges  applicable to existing  Participants' Accounts under  the Contract will
not be  increased  irrespective  of subsequent  withdrawals  from  Participants'
Accounts  under the  Contract. The  Company does not  believe it  is feasible to
identify precisely  that  portion of  the  deduction applicable  to  either  the
mortality risk or expense risk, but estimates that a reasonable allocation would
be  0.80% for the mortality  risk at all asset  charge levels, and 0.50%, 0.45%,
0.30% or 0.15% for the expense risk with respect to the asset charges  described
above.  If  the  deduction is  insufficient  to  cover the  actual  cost  of the
mortality and  expense  risk  undertaking,  the  Company  will  bear  the  loss.
Conversely,  if the  deduction proves more  than sufficient, the  excess will be
profit to the Company  and would be available  for any proper corporate  purpose
including,  among other  things, payment  of distribution  expenses. The Company
will recoup its expected costs associated with registering and distributing  the
Contracts by the assessment of the withdrawal charges (contingent deferred sales
charges).  However, the withdrawal charges may prove to be insufficient to cover
actual distribution expenses. If  this is the case,  the deficiency will be  met
from  the Company's  general corporate funds  which may  include amounts derived
from the mortality  and expense risk  charges. For the  year ended December  31,
1995,  mortality and expense risk charges were the only expenses of the Variable
Account.
    
 
    The Contract  provides  that  the  Company may  modify  the  asset  charges;
however,  such  modification  shall  apply only  with  respect  to Participants'
Accounts  established  after  the  effective  date  of  such  modification  (See
"Modification").
 
WITHDRAWAL CHARGES
 
    No  deduction for sales  charges is made from  Purchase Payments. However, a
withdrawal charge (contingent deferred sales  charge), when applicable, will  be
used  to cover certain expenses relating to  the sale of the Contract, including
commissions  paid  to  sales  personnel,  the  costs  of  preparation  of  sales
literature   and  other  promotional  costs   and  acquisition  expenses.  Gross
commissions paid on the sale  of these contracts are not  more than 5.5% of  the
Purchase Payments (See "Cash Withdrawals" and "Withdrawal Charges").
 
                               ANNUITY PROVISIONS
 
ANNUITY COMMENCEMENT DATE
 
    Annuity  payments  will  begin on  the  Annuity Commencement  Date  which is
selected by the Owner (or by the  Participant, if permitted by the Plan) at  the
time  the Participant's  Account is established.  This date may  be changed from
time to time by the Owner by written notice to the Company, provided that notice
of each change is received by the Company at least thirty (30) days prior to the
then current Annuity Commencement Date and the new Annuity Commencement Date  is
a  date which is:  (1) at least  thirty (30) days  after the date  notice of the
change is received by  the Company; (2) the  first day of a  month; and (3)  not
later  than the first  day of the  first month following  the Participant's 85th
birthday, unless otherwise restricted in the case of a Qualified Contract by the
particular retirement plan or by applicable law. In most situations, current law
requires that the  Annuity Commencement Date  under a Qualified  Contract be  no
later  than April 1 following the year the Annuitant reaches age 70 1/2, and the
terms of the particular retirement  plan may impose additional limitations.  The
Annuity  Commencement Date  may also  be changed  by an  election of  an Annuity
Option as described in the Death Benefit section of this Prospectus.
 
    On the Annuity Commencement Date the Participant's Account will be cancelled
and its adjusted value will  be applied to provide an  annuity under one of  the
options described below. No withdrawal charge or Market Value Adjustment will be
applied:   (1)  if  annuitization  occurs   after  the  twelfth  (12th)  Account
Anniversary; or (2) provided that payment is over a period of at least five  (5)
years. The asset charge applied after annuity payments begin will be the same as
that in effect for the Participant's
 
                                       27
<PAGE>
Account on the Annuity Commencement Date. NO PAYMENTS MAY BE REQUESTED UNDER THE
CONTRACT'S  CASH WITHDRAWAL PROVISIONS ON OR AFTER THE ANNUITY COMMENCEMENT DATE
AND NO CASH WITHDRAWAL WILL  BE PERMITTED EXCEPT AS  MAY BE AVAILABLE UNDER  THE
ANNUITY OPTION ELECTED.
 
    Since  the Contracts offered by this Prospectus will be issued in connection
with retirement  plans which  meet the  requirements of  Section 401  (including
Section  401(k)), Section 403, Section 408(c)  or Section 408(k) of the Internal
Revenue Code as well as non-qualified deferred compensation and payroll  savings
plans,  reference should  be made to  the terms  of the particular  Plan for any
limitations or restrictions on the Annuity Commencement Date.
 
ELECTION--CHANGE OF ANNUITY OPTION
 
    During the lifetime of the Participant and prior to the Annuity Commencement
Date, the Owner (or the Participant, if  permitted by the Plan) may, subject  to
the  age limitation on period certain or fixed periods, elect one or more of the
Annuity Options  described below,  or such  other settlement  option as  may  be
agreed  to by the Company, for the Annuitant as Payee. The Owner may also change
any election, but written notice of any  election or change of election must  be
received  by  the  Company  at  least thirty  (30)  days  prior  to  the Annuity
Commencement Date. If  no election is  in effect on  the 30th day  prior to  the
Annuity Commencement Date, Annuity Option B, for a Life Annuity with 120 monthly
payments certain will be deemed to have been elected.
 
    Any  election  may  specify the  proportion  of  the adjusted  value  of the
Participant's Account to be applied to  the Fixed Account and the  Sub-Accounts.
In  the event the election does not so specify, then the portion of the adjusted
value of the Participant's Account  to be applied to  the Fixed Account and  the
Sub-Accounts  will be determined on a pro rata basis from the composition of the
Participant's Account on the Annuity Commencement Date.
 
    Annuity Options  may also  be elected  by the  Owner or  the Beneficiary  as
provided in the Death Benefit section of this Prospectus.
 
    Reference  should be made to the terms of the particular retirement plan and
any applicable legislation for  any limitations or  restrictions on the  options
which may be elected.
 
    NO  CHANGE OF  ANNUITY OPTION  IS PERMITTED  AFTER THE  ANNUITY COMMENCEMENT
DATE.
 
ANNUITY OPTIONS
 
    No lump sum settlement option is available under the Contract. The Owner may
surrender the  Contract prior  to the  Annuity Commencement  Date; however,  any
applicable  surrender charge will  be deducted from  the cash withdrawal payment
and a Market Value Adjustment, if appropriate, will be applied.
 
    Annuity Options A, B and C are  available to provide either a Fixed  Annuity
or  a Variable Annuity. Annuity Options D and  E are available only to provide a
Fixed Annuity.
 
    Annuity Option A.   Life Annuity:  Monthly  payments during the lifetime  of
the  Payee. This option offers  a higher level of  monthly payments than Annuity
Options B or C because  no further payments are payable  after the death of  the
Payee and there is no provision for a death benefit payable to a Beneficiary. It
would  be possible for only  one variable annuity payment  to be made under this
option if the  Payee died before  the due  date of the  second variable  annuity
payment, two if the Payee died before the due date of the third variable annuity
payment, etc.
 
    Annuity  Option B.  Life  Annuity with 60, 120,  180 or 240 Monthly Payments
Certain:  Monthly payments during the lifetime of the Payee and in any event for
sixty (60), one hundred  twenty (120), one hundred  eighty (180) or two  hundred
forty  (240) months certain as elected. The  election of a longer period certain
results in smaller monthly payments than would  be the case if a shorter  period
certain  were elected. In the event of the death of the Payee under this option,
the Contract provides that in
 
                                       28
<PAGE>
certain circumstances, the discounted value  of the remaining payments, if  any,
will  be  calculated and  paid in  one  sum. The  discounted value  for variable
annuity payments will be  based on interest compounded  annually at the  assumed
interest rate of four percent (4%).
 
    Annuity  Option C.   Joint and  Survivor Annuity:   Monthly payments payable
during the joint lifetime of the Payee and a designated second person and during
the lifetime of  the survivor.  During the  lifetime of  the survivor,  variable
monthly  payments, if any, will be determined using the percentage chosen at the
time of election  of this  option of  the number of  each type  of Annuity  Unit
credited  to the Contract with respect to  the Payee and fixed monthly payments,
if any,  will be  equal to  the same  percentage of  the fixed  monthly  payment
payable during the joint lifetime of the Payee and the designated second person.
It would be possible for only one variable annuity payment to be made under this
option  if the Payee and  the designated person died before  the due date of the
second variable annuity payment,  two if they  died before the  due date of  the
third variable annuity payment, etc.
 
    *Annuity  Option D.  Fixed  Payments for a Specified  Period Certain:  Fixed
monthly payments for a specified period of time, as elected. In the event of the
death of the  Payee under  this option, the  Contract provides  that in  certain
circumstances,  the discounted value of the  remaining payments, if any, will be
calculated and paid in one sum. The  discounted value, if any, will be based  on
the interest rate initially used in determining the amount of each payment.
 
    *Annuity  Option E.   Fixed Payments:   The amount applied  to provide fixed
payments in accordance with this option will be held by the Company at interest.
Fixed payments will be made in such amounts  and at such times as may be  agreed
upon  with the Company  and will continue  until the amount  held by the Company
with interest is exhausted. The final payment will be for the balance  remaining
and  may be  less than the  amount of  each preceding payment.  Interest will be
credited yearly  on  the  amount remaining  unpaid  at  a rate  which  shall  be
determined  by the Company  from time to time  but which shall  not be less than
four percent (4%) per  year compounded annually. The  rate so determined may  be
changed  at any time and as often as may be determined by the Company, provided,
however, that the rate may not be reduced more frequently than once during  each
calendar year.
 
DETERMINATION OF ANNUITY PAYMENTS
 
    On the Annuity Commencement Date the Participant's Account will be cancelled
and  its adjusted value will be applied to provide a Variable Annuity or a Fixed
Annuity or a combination of both. The adjusted value will be equal to the  value
of  the Participant's  Account for the  Valuation Period  which ends immediately
preceding the Annuity Commencement  Date, reduced by  any applicable premium  or
similar  taxes, a proportionate  amount of the  Account Fee to  reflect the time
elapsed between the  last Account  Anniversary and  the day  before the  Annuity
Commencement  Date and any  applicable withdrawal charge  and/or unpaid Net Loan
Interest and plus or minus any applicable Market Value Adjustment.
 
FIXED ANNUITY PAYMENTS
 
    The dollar  amount of  each  fixed annuity  payment  will be  determined  in
accordance  with the Annuity Payment Rates found in the Contract which are based
on a minimum guaranteed interest rate of four percent (4%) per year, or, if more
favorable to  the Payee(s),  in  accordance with  the Single  Premium  Immediate
Settlement Rates published by the Company and in use on the Annuity Commencement
Date.
 
VARIABLE ANNUITY PAYMENTS
 
    The  dollar amount of the first  variable annuity payment will be determined
in accordance with  the Annuity Payment  Rates found in  the Contract which  are
based  on an assumed interest  rate of four percent  (4%) per year, unless these
rates are changed (See "Modification"). All variable annuity payments other than
the first are determined by means of Annuity Units credited to the Contract with
respect to the particular Payee. The number  of Annuity Units to be credited  in
respect  of a particular  Sub-Account is determined by  dividing that portion of
the first  variable annuity  payment  attributable to  that Sub-Account  by  the
Annuity  Unit  value of  that Sub-Account  for the  Valuation Period  which ends
immediately
 
- ------------------------
* The election of this annuity option may result in the imposition of a  penalty
  tax.
 
                                       29
<PAGE>
preceding  the Annuity  Commencement Date. The  number of Annuity  Units of each
particular Sub-Account credited to the  Contract with respect to the  particular
Payee  then  remains  fixed unless  an  exchange  of Annuity  Units  is  made as
described below. The dollar  amount of each variable  annuity payment after  the
first  may increase, decrease or remain constant, and is equal to the sum of the
amounts determined by multiplying  the number of Annuity  Units of a  particular
Sub-Account credited to the Contract with respect to the particular Payee by the
Annuity Unit value for the particular Sub-Account for the Valuation Period which
ends  immediately preceding the due date of  each subsequent payment. If the net
investment return on  the assets  of the  Variable Account  is the  same as  the
assumed  interest rate of four percent  (4%) per year, variable annuity payments
will remain level.  If the net  investment return exceeds  the assumed  interest
rate variable annuity payments will increase and, conversely, if it is less than
the assumed interest rate the payments will decrease.
 
    For a hypothetical example of the calculation of a Variable Annuity Payment,
see Appendix A.
 
VARIABLE ANNUITY UNIT VALUE
 
    The  Annuity Unit value  for each Sub-Account was  established at $10.00 for
the first Valuation Period of the particular Sub-Account. The Annuity Unit value
for the particular Sub-Account for any subsequent Valuation Period is determined
by multiplying the  Annuity Unit value  for the particular  Sub-Account for  the
immediately  preceding  Valuation  Period  by  the  Net  Investment  Factor (See
"Variable  Accumulation  Value,  Net  Investment  Factor")  for  the  particular
Sub-Account  for the current Valuation Period  and then multiplying that product
by a factor to  neutralize the assumed  interest rate of  four percent (4%)  per
year  used to  establish the  Annuity Payment Rates  found in  the Contract. The
factor is 0.99989255 for a one day Valuation Period.
 
    For a hypothetical  example of the  calculation of the  value of a  Variable
Annuity Unit, see Appendix A.
 
EXCHANGE OF VARIABLE ANNUITY UNITS
 
    After  the  Annuity Commencement  Date the  Payee may,  by filing  a written
request with the Company, exchange the value of a designated number of  Variable
Annuity  Units of  particular Sub-Accounts  then credited  to the  Contract with
respect to the particular Payee into other Variable Annuity Units, the value  of
which  would be such  that the dollar amount  of an annuity  payment made on the
date of the exchange would  be unaffected by the fact  of the exchange. No  more
than twelve (12) exchanges may be made within each Account Year.
 
    Exchanges  may be made  only within the Variable  Account. Exchanges will be
made using the  Annuity Unit values  for the Valuation  Period during which  any
request for exchange is received by the Company.
 
ANNUITY PAYMENT RATES
 
    The  Contract contains unisex annuity payment  rates for each Annuity Option
described in  this Prospectus.  The rates  show, for  each $1,000  applied,  the
dollar  amount of: (a) the  first monthly Variable Annuity  payment based on the
assumed interest rate of  four percent (4%); and  (b) the monthly Fixed  Annuity
payment,  when this payment is based on  the minimum guaranteed interest rate of
four percent (4%)  per year.  These rates  may be  changed by  the Company  with
respect  to Participants' Accounts established after  the effective date of such
change (See "Modification").
 
    The annuity payment rates may vary  according to the Annuity Option  elected
and  the adjusted age  of the Payee.  The Contract also  describes the method of
determining the  adjusted  age  of  the  Payee.  The  mortality  table  used  in
determining  the  annuity payment  rates for  Options A,  B, and  C is  the 1971
Individual Annuitant Mortality Table with ages  reduced by one year for  Annuity
Commencement   Dates  occurring  during  the   1980's,  two  years  for  Annuity
Commencement Dates occurring during the 1990's, etc.
 
                          OTHER CONTRACTUAL PROVISIONS
 
PAYMENT LIMITS
 
    Purchase Payments credited to a Participant's Account on an annualized basis
for the first  Account Year  must total  at least $300  and must  be payable  in
amounts of at least $25 per Payment. These
 
                                       30
<PAGE>
minimums may, however, be waived by the Company. In addition, the prior approval
of  the Company is required before it will accept a Purchase Payment which would
cause the value of a Participant's Account to exceed $1,000,000. If the value of
a Participant's Account exceeds $1,000,000, no additional Purchase Payments will
be accepted without the prior approval of the Company. Purchase Payments may  be
made  annually,  semi-annually, quarterly,  monthly  or on  any  other frequency
acceptable to the  Company. The  Owner may increase  or decrease  the amount  of
Purchase Payments or change the frequency of payment. The Owner is not obligated
to  continue Purchase Payments in the amount  or frequency elected. There are no
penalties for failure to continue to make Purchase Payments. While the  Contract
and the Participant's Account are in force, Purchase Payments may be made at any
time prior to the Annuity Commencement Date.
 
OWNER
 
    The  Contract shall belong to the  Owner. All Contract rights and privileges
may be exercised  by the Owner  without the  consent of the  Participant or  the
Beneficiary or any other person, except as the Owner may have provided under the
Plan  or  other  appropriate  documents.  Such  rights  and  privileges  may  be
exercised, with respect to a particular Participant, only during the lifetime of
the Participant and prior to the Annuity Commencement Date, except as  otherwise
provided  in the Contract. Each  Participant becomes the Payee  on and after the
Annuity Commencement Date. The Beneficiary becomes the Payee on the death of the
Participant.
 
CHANGE OF OWNERSHIP
 
    Ownership of a Qualified Contract may not be transferred except to: (1)  the
Participant  or Beneficiary; (2) a trustee or  successor trustee of a pension or
profit sharing  trust which  is  qualified under  Section  401 of  the  Internal
Revenue  Code; (3)  the employer  of the  Annuitant provided  that the Qualified
Contract after  transfer is  maintained under  the terms  of a  retirement  plan
qualified  under Section 403(a) of the Internal  Revenue Code for the benefit of
the Annuitant;  (4)  the  trustee  of  an  individual  retirement  account  plan
qualified  under Section 408 of  the Internal Revenue Code;  or (5) as otherwise
permitted from time to  time by laws and  regulations governing the  retirement,
deferred  compensation or other  programs for which the  Contract may be issued.
Subject to  the foregoing,  a  Qualified Contract  may  not be  sold,  assigned,
transferred,  discounted or pledged as collateral for  a loan or as security for
the performance of an obligation  or for any other  purpose to any person  other
than the Company.
 
    The  Owner  of a  Non-Qualified  Contract may  change  the ownership  of the
Contract during the lifetime of any Participant and prior to the last  remaining
Participant's  Annuity Commencement Date, although such change may result in the
imposition of tax (See "Federal Tax Status--Taxation of Annuities in  General").
A  change  of ownership  will  not be  binding  upon the  Company  until written
notification is received by the Company. Once received by the Company the change
will be effective as of the date on  which the request for change was signed  by
the Owner, but the change will be without prejudice to the Company on account of
any  payment made  or any  action taken  by the  Company prior  to receiving the
change. The Company may require that the signature of the Owner be guaranteed by
a member  firm of  the  New York,  American,  Boston, Midwest,  Philadelphia  or
Pacific  Stock Exchange, or by a commercial bank (not a savings bank) which is a
member of the Federal Deposit Insurance  Corporation or, in certain cases, by  a
member  firm of the  National Association of Securities  Dealers, Inc. which has
entered into an appropriate agreement with the Company.
 
DESIGNATION AND CHANGE OF BENEFICIARY
 
    The Beneficiary designation contained in a Participant Enrollment Form  will
remain  in effect until changed.  The interest of any  Beneficiary is subject to
the particular Beneficiary surviving the Participant.
 
    Subject to the rights  of an irrevocably  designated Beneficiary, the  Owner
(or  the  Participant,  as permitted  by  the  Plan) may  change  or  revoke the
designation of a  Beneficiary at  any time while  the Participant  is living  by
filing  with the Company a written beneficiary designation or revocation in such
form as the Company may  require. The change or  revocation will not be  binding
upon the Company until it is received by the Company. When it is so received the
change or revocation will be effective as of the
 
                                       31
<PAGE>
date  on which the beneficiary designation or revocation was signed by the Owner
or the Participant, as applicable, but the change or revocation will be  without
prejudice  to the Company on account of any  payment made or any action taken by
the Company prior to receiving the change or revocation.
 
    Reference should be made to the terms of the particular retirement plan  and
any applicable legislation for any restrictions on the beneficiary designation.
 
VOTING OF FUND SHARES
 
    The  Company will vote Fund  shares held by the  Sub-Accounts at meetings of
shareholders of the Fund(s), but  will follow voting instructions received  from
persons  having the right to  give voting instructions. The  Owner is the person
having the right to give voting  instructions prior to the Annuity  Commencement
Date.  On or after the Annuity Commencement  Date the Payee is the person having
such voting rights. Any shares attributable  to the Company and Fund shares  for
which no timely voting instructions are received will be voted by the Company in
the  same  proportion as  the shares  for which  instructions are  received from
Owners and Payees.
 
    Owners of Contracts held  pursuant to Plans may  be subject to other  voting
provisions  of the particular  Plan and of  the Investment Company  Act of 1940.
Employees who contribute to Plans which are funded by the Contracts are entitled
to instruct the Owners  as to how  to instruct the Company  to vote the  Fund(s)
shares  attributable to  their contributions.  Such Plans  may also  provide the
additional extent, if any, to which the Owners shall follow voting  instructions
of  persons with rights under the Plans.  If no voting instructions are received
from any such  person with respect  to a particular  Participant's Account,  the
Owner  may instruct the Company as to how  to vote the number of Fund shares for
which instructions may be given.
 
    Neither the Variable Account  nor the Company is  under any duty to  provide
information  concerning the  voting instruction rights  of persons  who may have
such rights under Plans,  other than rights afforded  by the Investment  Company
Act  of 1940,  nor any duty  to inquire as  to the instructions  received or the
authority of Owners or others to instruct  the voting of Fund shares. Except  as
the  Variable Account or the  Company has actual knowledge  to the contrary, the
instructions given  by  Owners and  Payees  will be  valid  as they  affect  the
Variable  Account, the Company  and any others  having voting instruction rights
with respect to the Variable Account.
 
    All Fund proxy  material, together with  an appropriate form  to be used  to
give  voting instructions, will be provided to  each Owner and each Payee having
the right to  give voting  instructions at  least ten  (10) days  prior to  each
meeting  of the  shareholders of the  particular Fund. The  number of particular
Fund shares as to which each such  person is entitled to give instructions  will
be  determined by the Company on a date  not more than ninety (90) days prior to
each such  meeting.  Prior to  the  Annuity  Commencement Date,  the  number  of
particular  Fund shares  as to  which voting  instructions may  be given  to the
Company is determined by dividing the value of all of the Variable  Accumulation
Units  of  the particular  Sub-Account credited  to the  Contract's Accumulation
Account by the net asset value of one particular Fund share as of the same date.
On or after the Annuity Commencement Date, the number of particular Fund  shares
as  to which such instructions may be given by a Payee is determined by dividing
the reserve held by the Company  in the particular Sub-Account for the  Contract
with respect to the particular Payee by the net asset value of a particular Fund
share  as of the same  date. After the Annuity  Commencement Date, the number of
the particular  Fund shares  as to  which a  Payee is  entitled to  give  voting
instructions will generally decrease due to the decrease in the reserve.
 
PERIODIC REPORTS
 
    The  Company will send the  Owner and the Participant,  at least once during
each Account and/or  Contract Year,  a statement  showing the  number, type  and
value  of Accumulation Units  or Annuity Units  credited to the  Contract or the
Participant's Account as the case may  be, which statement shall be accurate  as
of  a date  not more than  two (2)  months previous to  the date  of mailing. In
addition, every  person  having  voting  rights will  receive  such  reports  or
prospectuses  concerning the Variable Account and  the particular Fund(s) as may
be   required   by   the    Investment   Company   Act    of   1940   and    the
 
                                       32
<PAGE>
Securities  Act of 1933.  The Company will also  send such statements reflecting
transactions in  the  Contract's  Accumulation Account  and  each  Participant's
Account as may be required by applicable laws, rules and regulations.
 
SUBSTITUTED SECURITIES
 
    Shares  of  any of  the particular  Funds  may not  always be  available for
purchase by the Sub-Accounts of the  Variable Account or the Company may  decide
that  further investment in any  such Fund's shares is  no longer appropriate in
view of the purposes of the Variable Account. In either event, shares of another
registered open-end investment company may  be substituted both for Fund  shares
already purchased by the Variable Account and/or as the security to be purchased
in  the  future provided  that  these substitutions  have  been approved  by the
Securities and Exchange Commission. In the event of any substitution pursuant to
this provision, the Company may make appropriate endorsement to the Contract  to
reflect the substitution.
 
CHANGE IN OPERATION OF VARIABLE ACCOUNT
 
    At  the  Company's election  and subject  to any  necessary vote  by persons
having the right to give instructions with respect to the voting of Fund  shares
held  by the Sub-Accounts, the Variable Account  may be operated as a management
company under the Investment Company Act of 1940 or it may be deregistered under
the Investment  Company Act  of 1940  in  the event  registration is  no  longer
required.  Deregistration  of  the Variable  Account  requires an  order  by the
Securities and Exchange Commission. In the event of any change in the  operation
of  the  Variable  Account pursuant  to  this  provision, the  Company  may make
appropriate endorsement to  the Contract  to reflect  the change  and take  such
other action as may be necessary and appropriate to effect the change.
 
SPLITTING UNITS
 
    The  Company reserves the  right to split  or combine the  value of Variable
Accumulation Units, Fixed Accumulation Units, Annuity  Units or any of them.  In
effecting any such change of unit values, strict equity will be preserved and no
change  will have a material  effect on the benefits  or other provisions of the
Contract.
 
MODIFICATION
 
    Upon notice to the Owner, or to the Payee(s) during the annuity period,  the
Contract  may be modified by the Company  if such modification: (i) is necessary
to make the Contract or the Variable  Account comply with any law or  regulation
issued  by a governmental agency to which the Company or the Variable Account is
subject; or (ii) is necessary to assure continued qualification of the  Contract
under  the Internal  Revenue Code  or other  federal or  state laws  relating to
retirement annuities or annuity  contracts; or (iii) is  necessary to reflect  a
change  in  the operation  of the  Variable Account  or the  Sub-Account(s) (See
"Change in Operation of Variable Account"); or (iv) provides additional Variable
Account  and/or  fixed  accumulation   options.  In  the   event  of  any   such
modification,  the Company may  make appropriate endorsement  to the Contract to
reflect such modification.
 
    In addition, upon notice to  the Owner the Contract  may be modified by  the
Company  to change the  withdrawal charges, Account  Fees, mortality and expense
risk charges, the  tables used in  determining the amount  of the first  monthly
Variable  Annuity and Fixed  Annuity payments and the  formula used to calculate
the Market Value Adjustment provided that such modification shall apply only  to
Participant  Accounts established after the effective date of such modification.
In order to exercise its modification rights in these particular instances,  the
Company  must notify the Owner of such modification in writing. The notice shall
specify the effective  date of such  modification which must  be at least  sixty
(60)  days following the  date of mailing  of the notice  of modification by the
Company. All of the  charges and the  annuity tables which  are provided in  the
Contract  prior  to any  such modification  will  remain in  effect permanently,
unless improved by the Company, with respect to Participant Accounts established
prior to the effective date of such modification.
 
                                       33
<PAGE>
DISCONTINUANCE OF NEW PARTICIPANTS
 
    The Company, by giving thirty (30) days' prior written notice to the  Owner,
may  limit or  discontinue the  acceptance of  new Participant  Enrollment Forms
under a Contract.  Such limitation  or discontinuance  shall have  no effect  on
rights  or benefits with respect to  any Participant's Account established prior
to the effective date of such limitation or discontinuance.
 
CUSTODIAN
 
    The Company is  the Custodian  of the assets  of the  Variable Account.  The
Company  will purchase Fund shares at net asset value in connection with amounts
allocated to the particular Sub-Account  in accordance with the instructions  of
the  Owner and redeem Fund shares at net  asset value for the purpose of meeting
the contractual obligations of the Variable Account, paying charges relative  to
the  Variable Account  or making  adjustments for  annuity reserves  held in the
Variable Account.
 
RIGHT TO RETURN CONTRACT (INDIVIDUAL RETIREMENT ACCOUNTS ONLY)
 
    Under the Employee Retirement Income Security Act of 1974 ("ERlSA") an Owner
establishing  an  Individual  Retirement  Account  must  be  furnished  with   a
disclosure  statement  containing  certain information  about  the  Contract and
applicable legal requirements. This statement must be furnished on or before the
date the Individual Retirement Account is established. If the Owner is furnished
with such disclosure statement before the  seventh (7th) day preceding the  date
the  Individual Retirement Account  is established, the Owner  will not have any
right of revocation. If the disclosure statement is furnished after the  seventh
(7th) day preceding the establishment of the Individual Retirement Account, then
the Owner may revoke the Contract any time within seven (7) days after the Issue
Date.  Upon such revocation, the Company  will refund all Purchase Payments made
by the Owner.
 
                               FEDERAL TAX STATUS
 
INTRODUCTION
 
   
    The Contracts described in this Prospectus are designed for use by employer,
association and other group  retirement plans under  the provisions of  Sections
401  (including Section 401(k)), 403, 408(c)  and 408(k) of the Internal Revenue
Code (the "Code"), as  well as certain non-qualified  retirement plans, such  as
payroll  savings  plans. The  ultimate  effect of  federal  income taxes  on the
Contract's Accumulation  Account  and  the  Participant's  Account,  on  annuity
payments  and  on  the  economic  benefit to  the  Owner,  the  Participant, the
Annuitant, the Payee or  the Beneficiary may  depend upon the  type of Plan  for
which  the  Contract  is  purchased  and  a  number  of  different  factors. The
discussion contained herein is  general in nature, is  based upon the  Company's
understanding  of current  federal income  tax laws  (including recently enacted
amendments), and is not intended as tax advice. Congress has the power to  enact
legislation   affecting  the  tax  treatment  of  annuity  contracts,  and  such
legislation could be  applied retroactively  to Contracts  purchased before  the
date  of enactment. Also, because the Internal  Revenue Code, as amended, is not
in force in the Commonwealth of Puerto Rico, some references herein will not  be
applicable  to Contracts  issued in  Puerto Rico.  Any person  contemplating the
purchase of a Contract should consult a qualified tax adviser. THE COMPANY  DOES
NOT MAKE ANY GUARANTEE REGARDING THE TAX STATUS, FEDERAL, STATE OR LOCAL, OF ANY
CONTRACT OR ANY TRANSACTION INVOLVING THE CONTRACTS.
    
 
TAX TREATMENT OF THE COMPANY AND THE VARIABLE ACCOUNT
 
    The  Company is taxed as  a life insurance company  under the Code. Although
the operations of the Variable Account  are accounted for separately from  other
operations  of the Company for purposes of federal income taxation, the Variable
Account is not separately taxable as a regulated investment company or otherwise
as a taxable entity separate from the Company. Under existing federal income tax
laws, the  income and  capital gains  of  the Variable  Account, to  the  extent
applied  to  increase  reserves under  the  Contracts,  are not  taxable  to the
Company.
 
TAXATION OF ANNUITIES IN GENERAL
 
    Generally, no taxes are imposed on the increases in the value of a  Contract
until  distribution occurs, either as annuity  payments under the Annuity Option
elected or in the  form of cash  withdrawals or lump-sum  payments prior to  the
Annuity   Commencement  Date.  Corporate  Owners   and  other  Owners  that  are
 
                                       34
<PAGE>
not natural persons (other than the estate  of a decedent Owner) are subject  to
current  taxation  on  the  annual  increase in  the  value  of  a Non-Qualified
Contract's Accumulation Account. This  rule does not  apply where a  non-natural
person  holds the Contract as  agent for a natural person  (such as where a bank
holds a Contract as  trustee under a trust  agreement). This provision does  not
apply  to earnings accumulated where the Annuity Commencement Date occurs within
one year of the Date of Coverage. This provision applies to earnings on Purchase
Payments made after February 28,1986.
 
    The following discussion of annuity  taxation applies only to  contributions
(and  attributable earnings)  made to  Non-Qualified Contracts  after August 13,
1982. If  an Owner  has made  contributions before  August 14,  1982 to  another
annuity  contract and exchanges  that contract for the  Contract offered by this
Prospectus, then different tax  treatment will apply  to the contributions  (and
attributable  earnings) made  before August  14, 1982.  For example, non-taxable
principal may be  withdrawn before taxable  earnings and the  ten percent  (10%)
penalty tax for early withdrawal is not applicable.
 
    The Code is unclear in its application to a group annuity contract where the
Owner  is  distinct  from the  individuals  with  respect to  whom  the Contract
benefits are accumulated  (the Participants).  The following  discussion is  the
Company's  best understanding  of the  operation of the  Code in  the context of
group contracts. However, Owners and Participants should consult a qualified tax
adviser.
 
    For Contracts offered  by this  Prospectus (other than  Contracts issued  in
exchange  for contracts issued prior to August 14, 1982, as described above), in
the case  of a  Non-Qualified Contract  a partial  cash withdrawal  (that is,  a
withdrawal  of less than the entire value  of the Participant's Account) must be
treated first as a withdrawal from  the increase in the Participant's  Account's
value  over the Contract's cost basis. The amount of the withdrawal so allocable
will be  includible in  the Participant's  income. Similarly,  if a  Participant
receives a loan under a Contract or if part or all of a Participant's Account is
assigned  or pledged  as collateral for  a loan, the  amount of the  loan or the
amount assigned or pledged  must be treated as  if withdrawn from the  Contract.
(For Non-Qualified Contracts entered into after October 21, 1988 (or any annuity
contract  entered  into  on  or  before  such  date  that  is  exchanged  for  a
Non-Qualified Contract issued after  such date), any  withdrawal or loan  amount
that is includible in the Participant's income will increase the Contract's cost
basis.  Repayment of a loan or payment of interest on a loan will not affect the
Contract's cost basis. For these  purposes the Participant's Account value  will
not  be reduced by the amount of any loan, assignment or pledge of the Contract.
In  addition,  all   non-qualified  deferred  annuity   certificates  or   other
non-qualified  deferred annuity contracts that are  issued by the Company to the
same Participant during any  calendar year will be  treated as a single  annuity
contract.  Therefore, the proceeds of a withdrawal from, or assignment or pledge
of, one or more such contracts or  certificates will be fully includible in  the
Participant's  income to the extent of  the aggregate excess of the accumulation
account values over the cost bases of all such contracts or certificates entered
into during the calendar year.)
 
    The taxable portion of a cash withdrawal or a lump-sum payment prior to  the
Annuity  Commencement Date is  subject to tax  at ordinary income  rates. In the
case of payments after  the Annuity Commencement Date  under the Annuity  Option
elected,  a  portion of  each payment  generally is  taxable at  ordinary income
rates. The  nontaxable portion  is determined  by applying  to each  payment  an
"exclusion  ratio" which is the  ratio that the Participant's  cost basis in the
Contract bears to the Payee's expected return under the Contract. The  remainder
of the payment is taxable.
 
    The total amount that a Payee may exclude from income through application of
the "exclusion ratio" is limited to the cost basis in the Contract. If the Payee
survives  for his full life expectancy, and thereby recovers the entire basis in
the Contract, any subsequent annuity payment after basis recovery will be  fully
taxable  as income. Conversely, if the Payee dies prior to recovering the entire
basis, he will be  allowed a deduction  on his final income  tax return for  the
amount  of the unrecovered basis. This  limitation applies to distributions made
under a Contract with an Annuity Commencement Date after December 31, 1986.
 
    In the  case  of  Non-Qualified  Contracts,  taxable  cash  withdrawals  and
lump-sum  payments will be subject to a ten percent (10%) penalty, except in the
circumstances described  below.  This ten  percent  (10%) penalty  also  affects
certain  annuity  payments.  In  a situation  where  this  penalty  applies, the
 
                                       35
<PAGE>
recipient's tax  for the  tax year  in which  the amount  is received  shall  be
increased  by an amount equal to ten percent  (10%) of the portion of the amount
which is includible in the recipient's gross income. The circumstances in  which
this penalty will not apply are distributions which are: (a) made upon the death
of the Participant; or (b) allocable to Purchase Payments made before August 14,
1982.  Further, in the case  of Contracts issued prior  to January 18, 1985, the
ten percent (10%) penalty on taxable cash withdrawals and lump-sum distributions
will not apply if the amount withdrawn  is allocable to a Purchase Payment  made
prior  to the  preceding ten (10)  year period.  For this purpose,  a "first in,
first out" rule is used, so that  the earliest Purchase Payment with respect  to
which  amounts have not been previously fully allocated will be deemed to be the
source of the amount.
 
    In the case of Non-Qualified Contracts,  if the Participant dies before  the
Annuity  Commencement Date the entire value of the Participant's Account must be
either (1) distributed  within five (5)  years after  the date of  death of  the
Participant,  or (2) distributed over some  period not greater than the expected
life of the designated Beneficiary,  with annuity payments beginning within  one
(1) year after the date of death of the Participant. If a Payee dies on or after
the  Annuity Commencement Date  and before the  entire Participant's Account has
been distributed, the remaining  portion of such accumulation,  if any, must  be
distributed  at least as rapidly  as the method of  distribution then in effect.
These distribution  requirements will  not apply  where the  Beneficiary is  the
spouse of the Participant; rather, in such a case, the Contract may be continued
in  the name  of the spouse  as Participant or  Payee. In the  case of Contracts
issued prior to January 18, 1985,  these rules regarding distributions upon  the
death  of  the Participant  or  the Annuitant  will not  apply.  In the  case of
Contracts issued after  April 22,  1987, a change  in the  Participant would  be
treated as the death of the Participant. Distributions required due to the death
of  the Participant  will not  be subject  to the  ten percent  (10%) penalty on
premature distributions. A purchaser of a Qualified Contract should refer to the
terms of the  applicable retirement  plan and  contact a  tax adviser  regarding
distribution requirements upon the death of the Participant.
 
    A  transfer  of  a  Non-Qualified  Contract  by  gift  (other  than  to  the
Participant's spouse) is treated as the receipt by the Participant of income  in
an  amount equal to the  excess of the cash  surrender value over the Contract's
cost basis. This provision applies to Contracts issued after April 22, 1987.
 
    In the case of Qualified Contracts,  distributions made prior to age 59  1/2
generally are subject to a ten percent (10%) penalty tax, although this tax will
not  apply in certain  circumstances. Certain distributions,  known as "eligible
rollover distributions," if  rolled over to  certain other qualified  retirement
plans  (either directly or after being distributed to the Participant or Payee),
are not taxable until distributed from the  plan to which they are rolled  over.
In  general, an eligible rollover distribution is any taxable distribution other
than a distribution that is part of a series of payments made for life or for  a
specified  period of ten years or more. Owners, Participants, Annuitants, Payees
and Beneficiaries should  seek qualified  advice about the  tax consequences  of
distributions, withdrawals, rollovers and payments under the retirement plans in
connection with which the Contracts are purchased.
 
    The  Company will withhold  and remit to  the U.S. government  a part of the
taxable portion  of each  distribution made  under a  Non-Qualified Contract  or
under  a Qualified Contract issued for use with an individual retirement account
unless the  Participant or  Payee provides  his or  her taxpayer  identification
number to the Company and notifies the Company (in the manner prescribed) before
the  time of the distribution that the  Participant or Payee chooses not to have
any amounts withheld.
 
    In  the  case  of  distributions  from  a  Qualified  Contract  (other  than
distributions  from  a Contract  issued for  use  with an  individual retirement
account), the Company or the plan  administrator must withhold and remit to  the
U.S.   government  20%  of  each  distribution  that  is  an  eligible  rollover
distribution (as defined above) unless the Participant or Payee elects to make a
direct rollover of the distribution to another qualified retirement plan that is
eligible to receive the rollover. If a distribution from a Qualified Contract is
not an eligible rollover distribution, then the Participant or Payee can  choose
not  to have amounts withheld as described above for Non-Qualified Contracts and
Qualified Contracts issued for use with individual retirement accounts.
 
    Amounts  withheld  from  any  distribution  may  be  credited  against   the
Participant's  or  Payee's federal  income  tax liability  for  the year  of the
distribution.
 
                                       36
<PAGE>
    The  Internal  Revenue  Service   has  issued  regulations  that   prescribe
investment  diversification  requirements  for  mutual  fund  series  underlying
nonqualified variable  contracts.  Contracts  that  do  not  comply  with  these
regulations  do not  qualify as annuities  for income tax  purposes. The Company
believes that each series of the Series Fund complies with the regulations.
 
    The preamble  to the  regulations  states that  the Service  may  promulgate
guidelines under which a variable contract will not be treated as an annuity for
tax  purposes if the owner has excessive control over the investments underlying
the contract. It is not known  whether such guidelines, if in fact  promulgated,
would  have retroactive effect. If guidelines  are promulgated, the Company will
take any action (including modification of the Contract or the Variable Account)
necessary to comply with the guidelines.
 
QUALIFIED RETIREMENT PLANS
 
    The Qualified Contracts described  in this Prospectus  are designed for  use
with   several  types  of  qualified   retirement  plans.  Following  are  brief
descriptions of various types of qualified  retirement plans and the use of  the
Qualified  Contracts  in  connection  therewith.  The  tax  rules  applicable to
participants in such qualified  retirement plans vary according  to the type  of
plan  and its  terms and  conditions. Therefore,  no attempt  is made  herein to
provide more than general information about  the use of the Qualified  Contracts
with  the various types  of qualified retirement  plans. Participants under such
plans as well as Owners, Annuitants, Payees and Beneficiaries are cautioned that
the rights of any person to any benefits under these plans may be subject to the
terms and  conditions of  the  plans themselves,  regardless  of the  terms  and
conditions of the Qualified Contracts issued in connection therewith.
 
PENSION AND PROFIT-SHARING PLANS
 
    Sections 401(a), 401(k) and 403(a) of the Code permit business employers and
certain  associations  to  establish  various  types  of  retirement  plans  for
employees. The Tax Equity and Fiscal Responsibility Act of 1982 eliminated  most
differences  between  qualified retirement  plans of  corporations and  those of
self-employed individuals. The Contract may be purchased by those who would have
been covered under the rules governing old H.R. 10 (Keogh) Plans, as well as  by
corporate  plans. Such retirement plans may permit the purchase of the Qualified
Contracts to provide benefits  under the plans. Employers  intending to use  the
Qualified  Contracts in connection with such  plans should seek qualified advice
in connection therewith.
 
TAX-SHELTERED ANNUITIES
 
    Section 403(b) of the Code permits public school employees and employees  of
certain  types of charitable, educational and scientific organizations specified
in Section 501(c)(3) of the Code  to purchase annuity contracts and, subject  to
certain  limitations, exclude the amount of  purchase payments from gross income
for tax purposes.  These annuity  contracts are  commonly referred  to as  "Tax-
Sheltered  Annuities." Purchasers of  the Qualified Contracts  for such purposes
should seek  qualified  advice as  to  eligibility, limitations  on  permissible
amounts of Purchase Payments and tax consequences of distributions.
 
INDIVIDUAL RETIREMENT ACCOUNTS
 
    Sections  219 and 408 of the  Code permit eligible individuals to contribute
to an individual retirement program, including Simplified Employee Pension Plans
and Employer/Association of Employees Established Individual Retirement  Account
Trusts,  known  as an  Individual Retirement  Account  ("IRA"). These  IRA's are
subject to limitations on  the amount that may  be contributed, the persons  who
may  be eligible, and on the time  when distributions may commence. In addition,
certain distributions from some other types of retirement plans may be placed on
a tax-deferred basis in an IRA. Contracts are offered by this Prospectus for IRA
Trusts, but not for IRA's established as "Individual Retirement Annuities" under
Section 408(b) of  the Code. Sale  of the Contracts  for use with  IRA's may  be
subject  to  special  requirements  imposed  by  the  Internal  Revenue Service.
Purchasers of  the  Contracts for  such  purposes  will be  provided  with  such
supplementary  information as may be required by the Internal Revenue Service or
other appropriate agency, and will have  the right to revoke the Contract  under
certain  circumstances as described  in the section  of this Prospectus entitled
"Right to Return Contract."
 
                                       37
<PAGE>
                       TEXAS OPTIONAL RETIREMENT PROGRAM
 
    Under the terms of the Optional  Retirement Program, if a participant  makes
the  required contribution the State of Texas will contribute a specified amount
to the participant's retirement account. If a participant does not commence  the
second  year of participation  in the plan  as a "faculty  member" as defined in
Title 110B of the State of Texas  Statutes, the Company will return the  state's
contribution.  If a participant  does begin a second  year of participation, the
employer's first year contributions will then  be applied as a Purchase  Payment
under the Qualified Contract, as will the employer's subsequent contributions.
 
    The  Attorney General of the State of  Texas has ruled that under Title 110B
of the State of  Texas Statutes, withdrawal benefits  of contracts issued  under
the   Optional  Retirement  Program  are  available  only  in  the  event  of  a
participant's  death,  retirement,  termination  of  employment  due  to   total
disability,  or other termination of employment in a Texas public institution of
higher education. A participant will not, therefore, be entitled to exercise the
right of  withdrawal  in order  to  receive the  cash  values credited  to  such
participant  under the Qualified Contract unless one of the foregoing conditions
has been  satisfied. The  value of  such Qualified  Contracts may,  however,  be
transferred   to  other  contracts  or  other  carriers  during  the  period  of
participation in the Program.
 
                        ADMINISTRATION OF THE CONTRACTS
 
    The Company  performs  certain  administrative  functions  relating  to  the
Contracts, the Participant's Accounts, and the Variable Account. These functions
include,  among other things, maintaining the  books and records of the Variable
Account and  the Sub-Accounts,  and maintaining  records of  the name,  address,
taxpayer  identification number, Contract  number, Participant's Account number,
type of Contract issued to each Owner, the status of the Contract's Accumulation
Account and each Participant's Account and other pertinent information necessary
to the administration and operation of the Contracts.
 
                         DISTRIBUTION OF THE CONTRACTS
 
   
    The offering of the Contracts is  continuous. The Contracts will be sold  by
licensed  insurance agents in  those states where the  Contracts may be lawfully
sold.  Such  agents  will   be  registered  representatives  of   broker-dealers
registered  under the  Securities Exchange  Act of 1934  who are  members of the
National Association  of Securities  Dealers,  Inc. and  who have  entered  into
distribution  agreements  with  the  Company and  the  General  Distributor. The
Contracts will be distributed by Clarendon Insurance Agency, Inc. ("Clarendon"),
500 Boylston Street,  Boston, Massachusetts  02116, the  General Distributor,  a
wholly-owned  subsidiary of MFS. Clarendon is registered with the Securities and
Exchange Commission under the Securities Exchange Act of 1934 as a broker-dealer
and is  a  member  of  the National  Association  of  Securities  Dealers,  Inc.
Clarendon  also acts  as the general  distributor of other  individual and group
combination fixed/variable  annuity  contracts issued  by  the Company  and  its
wholly-owned subsidiary, Sun Life Insurance and Annuity Company of New York, and
variable  life insurance contracts issued by  the Company. Commissions and other
distribution compensation will be paid by the Company and will not be more  than
5.5%  of Purchase Payments.  During 1993, 1994  and 1995 approximately $664,230,
$639,969, and $431,302, respectively, was paid  to and retained by Clarendon  in
connection with the distribution of the Contracts.
    
 
                                       38
<PAGE>
                    ADDITIONAL INFORMATION ABOUT THE COMPANY
 
SELECTED FINANCIAL DATA
 
   
    The  following selected  financial data  for the  Company should  be read in
conjunction with the  financial statements  and notes thereto  included in  this
Prospectus beginning on page 56.
 
<TABLE>
<CAPTION>
                                                                       FOR THE YEARS ENDED DECEMBER 31
                                                         ------------------------------------------------------------
                                                            1995         1994         1993        1992        1991
                                                         -----------  -----------  ----------  ----------  ----------
                                                                                  (IN 000'S)
<S>                                                      <C>          <C>          <C>         <C>         <C>
Revenues
  Premiums, annuity deposits and other revenue           $ 1,095,646  $ 1,200,143  $1,772,745  $  908,933  $ (151,073)
  Net investment income and realized gains (losses)          366,063      334,896     243,796     209,087     162,031
                                                         -----------  -----------  ----------  ----------  ----------
                                                           1,461,709    1,535,039   2,016,541   1,118,020      10,958
                                                         -----------  -----------  ----------  ----------  ----------
Benefits and Expenses
  Policyholder benefits                                    1,238,603    1,312,721   1,786,919     921,180    (161,110)
  Other expenses                                             176,660      209,819     240,440     232,221     168,689
                                                         -----------  -----------  ----------  ----------  ----------
                                                           1,415,263    1,522,540   2,027,359   1,153,401       7,579
                                                         -----------  -----------  ----------  ----------  ----------
Operating Gain (Loss)                                         46,446       12,499     (10,818)    (35,381)      3,379
Interest on Surplus Notes                                    (31,813)     (31,150)    (26,075)    (18,000)    (12,500)
Equity in Income of Subsidiaries                              59,875       62,629      62,640      49,009      42,702
Federal Income Tax Expense                                   (38,593)     (42,521)    (22,491)     (4,000)    (13,615)
                                                         -----------  -----------  ----------  ----------  ----------
Net Income (Loss)                                        $    35,915  $     1,457  $    3,256  $   (8,372) $   19,966
                                                         -----------  -----------  ----------  ----------  ----------
                                                         -----------  -----------  ----------  ----------  ----------
Assets                                                   $12,499,683  $10,137,822  $9,199,090  $7,494,407  $6,405,599
                                                         -----------  -----------  ----------  ----------  ----------
                                                         -----------  -----------  ----------  ----------  ----------
Surplus Notes                                            $   650,000  $   335,000  $  335,000  $  265,000  $  180,000
                                                         -----------  -----------  ----------  ----------  ----------
                                                         -----------  -----------  ----------  ----------  ----------
</TABLE>
 
See Note 1 to financial statements for the effect of the reinsurance agreements
                                 on net income.
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS.
 
FINANCIAL CONDITION
 
  ASSETS
 
    For  management purposes it is the Company's practice to segment its general
account to  facilitate the  matching  of assets  and liabilities;  however,  all
general  account assets stand behind all general account liabilities. A majority
of the Company's assets are  income producing investments. Particular  attention
is paid to the quality of these assets.
 
    The  Company's  bond holdings  consist of  a  diversified portfolio  of both
public and private issues. It is the Company's policy to acquire only investment
grade securities. Private placements are rated internally with reference to  the
National  Association of Insurance Commissioners  ("NAIC") designation issued by
the NAIC Securities Valuation Office. The overall quality of the Company's  bond
portfolio  remains high. At December 31, 1995, 2.3% of the Company's holdings of
bonds were rated below investment grade (i.e. below NAIC rating "1" or "2"). Net
unrealized gains on below investment grade bonds were $2,133,727 at December 31,
1995.  Bond  write  downs  resulting  from  intrinsic  impairments  amounted  to
$3,500,000 during 1995.
 
    The   Company  holds   real  estate   primarily  because   such  investments
historically have offered  better yields  over the long-term  than fixed  income
investments.  Real estate investments are used  to enhance the yield of products
with long-term liability durations. Properties  for which market value is  lower
than cost
    
                                       39
<PAGE>
   
adjusted  for depreciation  (book value)  are reported  at market  value. During
1995, the change in the difference between  the market value and book value  for
properties reported at market value was $3,583,000.
 
    Significant  attention has  been given  to insurance  companies' exposure to
mortgage loans secured by real estate.  The Company had a mortgage portfolio  of
$1,066,911,000  at December  31, 1995, representing  25.3% of  cash and invested
assets. At  December 31,  1994, mortgage  loans represented  28.9% of  cash  and
invested  assets. The  Company underwrites  commercial mortgages  with a maximum
loan to value ratio  of 75%. The  Company as a rule  invests only in  properties
that  are almost  fully leased.  The portfolio is  diversified by  region and by
property type. The level of arrears in the portfolio is substantially below  the
industry  average. At December 31, 1995, 0.77% of the Company's portfolio was 60
days or more in arrears, compared to the most recent industry delinquency  ratio
published by the American Council of Life Insurance of 2.35%. The expense in the
year for the provision for losses and for losses on foreclosures was $4,133,000.
 
    In  1994, the Company entered into a leveraged lease agreement under which a
fleet of  rail cars  was leased  for a  term of  9.75 years.  The investment  is
classified as other invested assets in the attached balance sheet.
 
    In  the normal course of business, the Company makes commitments to purchase
investments at  a  future  date.  As  of  December  31,  1995  the  Company  had
outstanding  mortgage  commitments of  $13,100,000 which  will be  funded during
1996.
 
  LIABILITIES
 
    The majority  of the  Company's  liabilities consist  of reserves  for  life
insurance and annuity contracts and deposit funds.
 
  CAPITAL AND SURPLUS
 
    Total  capital stock and surplus of the Company was $792,452,000 at December
31, 1995. The Company issued surplus notes during 1995 totalling $315,000,000 to
an affiliate,  Sun  Canada Financial  Co.  The Company  repaid  $335,000,000  of
surplus  notes  to its  parent in  1996.  During 1994,  the Company  reduced its
carrying  value  of  MCIC,  a  wholly-owned  subsidiary,  by  $18,397,000,   the
unamortized  amount of  goodwill. The  reduction was  accounted for  as a direct
charge to surplus. The Company's management considers its surplus position to be
adequate.
 
RESULTS OF OPERATIONS
 
  1995 COMPARED TO 1994
 
    Income from operations  before surplus  note interest, equity  in income  of
subsidiaries  and federal income taxes increased by $33,947,000 from $12,499,000
in 1994 to $46,446,000 in 1995.  Reinsurance agreements with the parent had  the
effect of decreasing net income by $31,327,000 in 1994 as compared to increasing
net income by $9,637,000 in 1995. The increase in net income associated with the
reinsurance  agreements is due to the lack of surplus strain associated with the
assumption of new contracts  issued. No contracts issued  in 1994 or  thereafter
have  been assumed by the  Company. It is the  acquisition costs of new contract
issues which caused  the loss from  the reinsurance agreements  in prior  years.
Prior  to reinsurance, net  income from operations  decreased by $7,017,000 from
$43,826,000 in 1994 to $36,809,000 in  1995. Realized losses on investments  and
amortization  of  the  interest  maintenance  reserve  decreased  by  $2,315,000
primarily due to fewer writedowns in  the group pension product line.  Operating
expenses  increased by  $5,261,000 from  $32,231,000 in  1994 to  $37,492,000 in
1995, reflecting  increased expenses  allocated from  the parent  and  increased
salaries  due to  additional staffing. The  remaining decrease in  net income in
1995 as  compared  to  1994  of approximately  $4,071,000  reflects  the  strain
associated  with the Company's market  value adjusted annuity product, partially
offset by profits  associated with the  maturing block of  individual and  group
fixed annuities.
 
    Total  income decreased by approximately  $73,330,000 from $1,535,039,000 in
1994 to $1,461,709,000 in 1995. Revenues from reinsurance transactions decreased
by $4,307,000  reflecting the  assumed  block of  business  being closed  as  of
December  31,  1993. Premiums  and annuity  considerations on  a pre-reinsurance
basis decreased by $7,728,000 reflecting  decreased group pension lottery  sales
of $22,084,000 offset
    
                                       40
<PAGE>
   
by  increased annuitizations of $14,356,000. Fixed annuity deposits decreased by
$26,091,000 as interest  rates remained at  low levels. Sales  of group  pension
guaranteed investment contracts increased by $49,229,000 reflecting the transfer
of  the  parent's agents'  pension  fund from  the  parent to  the  Company. Net
transfers from the  separate accounts  decreased by  $80,758,000 reflecting  the
decline  in interest rates.  Pre-reinsurance net investment  income increased by
$2,219,000 reflecting an increase in the Company's invested asset base. Realized
losses and  amortization  of  the  interest  maintenance  reserve  decreased  by
$2,315,000.  Other income decreased  by $16,711,000 from  $33,377,000 in 1994 to
$16,666,000 reflecting  a decrease  in the  surplus transfer  from the  separate
accounts. Mortality and expense risk charges increased by $8,616,000 as a result
of market appreciation in the separate accounts.
 
    Benefits   and  expenses   decreased  by   approximately  $107,277,000  from
$1,522,540,000 in 1994 to $1,415,263,000 in 1995. Reinsurance had the effect  of
decreasing   benefits  and   expenses  by  $45,272,000,   primarily  from  lower
commissions due to no assumption of  new contract issues. Prior to  reinsurance,
benefits  and expenses decreased by approximately $62,004,000. The change in the
liability for annuity  and other  deposit funds  increased by  $83,094,000 as  a
result  of fewer  maturities of contracts  for which the  guarantee periods have
expired, and increased  sales of group  pension guaranteed investment  contracts
described  above. The change in reserves decreased by $16,694,000 reflecting the
decrease in  group  pension  lottery  sales.  Annuity  and  other  deposit  fund
withdrawals  decreased by  $8,424,000 reflecting fewer  maturities. Transfers to
the non-unitized separate account decreased by $124,285,000 from $455,688,000 in
1994 to $331,403,000 reflecting fewer sales and transfers from unitized separate
accounts of individually marketed fixed annuities as a result of the decline  in
interest  rates.  Operating  expenses  increased  by  $5,261,000  reflecting the
increased expenses described above.
    
  1994 COMPARED TO 1993
 
    Income from operations  before surplus  note interest, equity  in income  of
subsidiaries  and federal income taxes was $12,499,000  in 1994 versus a loss of
$10,818,000 in  1993.  The  increase  in  income  is  a  result  of  reinsurance
agreements   with  the  parent   which  decreased  income   from  operations  by
approximately $31,327,000 in 1994 and  $54,567,000 in 1993. The relatively  flat
change  in  income before  reinsurance results  from  a combination  of factors:
realized losses on  investments decreased by  $6,237,000; mortality and  expense
risk  charges increased by $9,357,000;  general expenses increased by $8,061,000
and approximately $6,000,000  of additional  surplus strain  (selling costs  and
reserves  required  on  new business  in  excess  of the  premium)  was incurred
reflecting the increased volume of new sales.
 
    Total revenues  decreased by  $481,502,000 from  $2,016,541,000 in  1993  to
$1,535,039,000  in  1994. Revenues  from  reinsurance transactions  decreased by
$690,973,000, from $959,536,000 in 1993  to $268,563,000 in 1994. 1993  revenues
include  the termination of the reinsurance agreement under which the Registrant
reinsured with its parent  100% of certain fixed  annuity contracts. Before  the
impact  of the reinsurance agreements,  total revenues increased by $209,471,000
in  1994.  Sales   of  individually  marketed   fixed  annuities  increased   by
$389,745,000  as a result  of improved interest  rates and product enhancements.
This was  offset  by decreased  sales  of  group pension  deposit  contracts  of
$271,913,000,  reflecting  management's  decision  to  limit  sales  due  to the
volatility of  interest  rates  and  changes  in  the  competitive  marketplace.
Realized  losses on investments decreased,  reflecting fewer mortgage writedowns
in 1994. Mortality and expense  risk charges increased, reflecting the  increase
in separate account net assets.
 
    Benefits  and expenses decreased by $504,819,000 from $2,027,359,000 in 1993
to $1,522,540,000 in 1994. Reinsurance had the effect of increasing benefits and
expenses by $299,890,000 in 1994 as compared to $1,014,103,000 in 1993. As noted
above, the 1993  results include  the termination of  the reinsurance  agreement
with  the  parent  under which  100%  of  certain fixed  annuity  contracts were
reinsured. Before the impact of reinsurance, benefits increased by $209,394,000.
Before reinsurance,  the  liability for  annuity  and other  deposit  funds  and
actuarial reserves decreased as a result of lower sales of group pension deposit
contracts  and  increased surrender  activity.  Annuity and  other  deposit fund
withdrawals increased as a result of increased surrenders of fixed annuities for
which  interest  rate   guarantee  periods  have   expired.  Transfers  to   the
non-unitized separate account increased reflecting the increase in fixed annuity
sales   described  above.   Prior  to  reinsurance,   commissions  increased  by
$35,497,000 reflecting increased sales of individual combination  fixed/variable
annuity   contracts.  General   expenses  increased   due  to   an  increase  in
 
                                       41
<PAGE>
the amount allocated from the parent  under the service agreement, and costs  of
selling and administration associated with the increased sales and inforce block
of  individually marketed  fixed/variable annuity contracts.  Federal income tax
expense increased as net operating loss carry forwards were utilized in 1993.
 
LIQUIDITY
 
    The Company's cash inflow  consists primarily of  premiums on insurance  and
annuity  products, income  from investments, repayments  of investment principal
and sales of investments. The Company's cash outflow is primarily to meet  death
and  other maturing  insurance and annuity  contract obligations, to  pay out on
contract  terminations,  to  fund  investment  commitments  and  to  pay  normal
operating  expenses and taxes.  Cash outflows are  met from the  normal net cash
inflows.
 
    The Company  segments its  business internally  and matches  projected  cash
inflows  and outflows within each segment. Targets for money market holdings are
established for each segment, which  in the aggregate meet  the day to day  cash
needs of the Company. If greater liquidity is required, government issued bonds,
which are highly liquid, are sold to provide the necessary funds. Government and
publicly  traded corporate bonds comprise 65.9%  of the Company's long-term bond
holdings.
 
    Management believes that the  Company's sources of  liquidity are more  than
adequate to meet its anticipated needs.
 
REINSURANCE
 
    The  Company has agreements  with its parent company  which provide that the
parent company  will  reinsure  the  mortality  risks  of  the  individual  life
insurance  contracts sold  by the  Company. Under  these agreements  basic death
benefits and supplementary  benefits are  reinsured on a  yearly renewable  term
basis  and coinsurance basis, respectively. Reinsurance transactions under these
agreements in 1995 had  the effect of decreasing  net income from operations  by
$2,184,000.
 
    Effective  January 1,  1991 the Company  entered into an  agreement with the
parent company under which 100% of certain fixed annuity contracts issued by the
Company were reinsured.  This agreement  was terminated  effective December  31,
1993.
 
    Effective  January 1,  1991 the Company  entered into an  agreement with the
parent company under which certain individual life insurance contracts issued by
the parent  were reinsured  by the  Company  on a  90% coinsurance  basis.  Also
effective  January 1, 1991 the Company entered into an agreement with the parent
which provides that the  parent will reinsure the  mortality risks in excess  of
$500,000  per policy for the individual  life insurance contracts assumed by the
Company in  the  reinsurance  agreement  described  above.  Death  benefits  are
reinsured  on  a  yearly  renewable term  basis.  The  life  reinsurance assumed
agreement requires the  reinsurer to withhold  funds in an  amount equal to  the
reserves assumed.
 
    The  Company also has executed a  reinsurance agreement with an unaffiliated
company  which  provides  reinsurance  of  certain  individual  life   insurance
contracts  on  a  modified  coinsurance basis  and  under  which  all deficiency
reserves are ceded.
 
RESERVES
 
    In accordance with the life insurance  laws and regulations under which  the
Company  operates  it  is  obligated  to carry  on  its  books,  as liabilities,
actuarially determined  reserves  to meet  its  obligations on  its  outstanding
contracts.  Reserves are based on mortality tables  in general use in the United
States and are computed to equal  amounts that, with additions from premiums  to
be  received, and with interest on  such reserves compounded annually at certain
assumed rates, will be  sufficient to meet the  Company's policy obligations  at
their  maturities or  in the  event of an  insured's death.  In the accompanying
Financial Statements these reserves are determined in accordance with  statutory
regulations which are generally accepted accounting principles for the Company.
 
   
INVESTMENTS
 
    Of  the Company's total assets of $12.5  billion at December 31, 1995, 58.5%
consisted of  unitized  and non-unitized  separate  account assets,  22.8%  were
invested   in  bonds  and  similar  securities,   8.5%  in  mortgages,  1.1%  in
subsidiaries, 0.7% in  real estate,  and the remaining  8.4% in  cash and  other
assets.
    
                                       42
<PAGE>
   
COMPETITION
 
    The  Company is engaged in a business  that is highly competitive because of
the large number of stock and mutual life insurance companies and other entities
marketing insurance products.  There are approximately  1,750 stock, mutual  and
other  types of insurers  in the life  insurance business in  the United States.
According to the most recent Best's Review, Life-Health Edition, as of  December
31,  1994 the  Company ranked  46th among  all life  insurance companies  in the
United States based upon  total assets. Its parent  company, Sun Life  Assurance
Company  of Canada, ranked 19th.  Best's Insurance Reports, Life-Health Edition,
1995, assigned the Company  and the parent  company its highest  classification,
A++,  as of December 31, 1994. Standard & Poor's and Duff & Phelps have assigned
the Company  and the  parent company  their highest  ratings for  claims  paying
ability,  AAA.  These  ratings  should  not  be  considered  as  bearing  on the
investment performance of the Series Fund shares held in the Sub-Accounts of the
Variable Account. However, the ratings are relevant to the Company's ability  to
meet its general corporate obligations under the Contracts.
 
EMPLOYEES
 
    The  Company and Sun  Life Assurance Company  of Canada have  entered into a
Service Agreement which provides  that the latter will  furnish the Company,  as
required,  with personnel as well  as certain services and  facilities on a cost
reimbursement basis.  As  of  December  31, 1995  the  Company  had  255  direct
employees who are employed at its Principal Executive Office in Wellesley Hills,
Massachusetts and its Annuity Service Center in Boston, Massachusetts.
    
PROPERTIES
 
    The  Company occupies office space owned by it and leased to its parent, Sun
Life Assurance Company of Canada, and certain unrelated parties for lease  terms
not exceeding five years.
 
                 THE COMPANY'S DIRECTORS AND EXECUTIVE OFFICERS
 
    The  directors  and  principal officers  of  the Company  are  listed below,
together with information  as to  their ages,  dates of  election and  principal
business  occupations during  the last five  years (if other  than their present
business occupations). Except as otherwise indicated, the directors and officers
of the Company  who are  associated with Sun  Life Assurance  Company of  Canada
and/or  its subsidiaries have been associated with Sun Life Assurance Company of
Canada for  more than  five  years either  in the  position  shown or  in  other
positions.
   
JOHN D. MCNEIL, 62, Chairman and Director (1982*)
150 King Street West
Toronto, Ontario, Canada M5H 1J9
 
    He  is Chairman and a  Director of Sun Life  Assurance Company of Canada and
Sun Life Insurance and Annuity Company of New York; a Director of  Massachusetts
Financial  Services Company;  President and  a Director  of Sun  Growth Variable
Annuity Fund,  Inc.;  Chairman and  a  Trustee  of MFS/Sun  Life  Series  Trust;
Chairman  and  a Member  of  the Boards  of  Managers of  Money  Market Variable
Account, High  Yield Variable  Account, Capital  Appreciation Variable  Account,
Government  Securities  Variable  Account, World  Governments  Variable Account,
Total Return  Variable  Account and  Managed  Sectors Variable  Account;  and  a
Director of Shell (Canada) Limited and Canadian Pacific, Ltd.
 
JOHN R. GARDNER, 58, President and Director (1986*)
150 King Street West
Toronto, Ontario, Canada M5H 1J9
 
    He  is President and a Director of Sun Life Assurance Company of Canada, and
Sun Life  Insurance  and  Annuity  Company  of  New  York;  and  a  Director  of
Massachusetts  Financial  Services  Company,  Massachusetts  Casualty  Insurance
Company and Sun Life Financial Services Limited.
    
- ---------
* Year Elected Director
 
                                       43
<PAGE>
   
DAVID D. HORN, 54, Senior Vice President and General Manager and Director (1970,
1985*)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is Senior Vice President and General Manager for the United States of Sun
Life  Assurance Company of Canada; Chairman and  President and a Director of Sun
Investment Services Company; Senior  Vice President and a  Director of Sun  Life
Insurance  and Annuity Company of New York; Vice President and a Director of Sun
Growth Variable Annuity  Fund, Inc.;  President and  a Director  of Sun  Benefit
Services  Company,  Inc.,  Sun  Canada Financial  Co.,  and  Sun  Life Financial
Services Limited;  a Director  of Sun  Capital Advisers,  Inc.; Chairman  and  a
Director of Massachusetts Casualty Insurance Company; a Trustee of MFS/ Sun Life
Series  Trust; and a Member  of the Boards of  Managers of Money Market Variable
Account, High  Yield Variable  Account, Capital  Appreciation Variable  Account,
Government  Securities  Variable  Account, World  Governments  Variable Account,
Total Return Variable Account and Managed Sectors Variable Account.
 
ANGUS A. MACNAUGHTON, 64, Director (1985*)
Metro Tower, Suite 1170,
950 Tower Lane
Foster City, California 94404
 
    He is President of Genstar Investment Corporation and a Director of Sun Life
Assurance Company of Canada, Sun Life Insurance and Annuity Company of New York,
Canadian Pacific, Ltd., Stelco, Inc. and Varian Associates, Inc.
 
JOHN S. LANE, 61, Director (1991*)
150 King Street West
Toronto, Ontario, Canada M5H 1J9
 
    He is Senior Vice  President, Investments of Sun  Life Assurance Company  of
Canada; and a Director of Sun Investment Services Company, Sun Capital Advisers,
Inc. and Sun Life Insurance and Annuity Company of New York.
 
RICHARD B. BAILEY, 69, Director (1983*)
500 Boylston Street
Boston, Massachusetts 02116
 
    He is a Director of Sun Life Insurance and Annuity Company of New York and a
Director/Trustee  of certain Funds in the MFS  Family of Funds. Prior to October
1, 1991, he  was Chairman  and a  Director of  Massachusetts Financial  Services
Company.
 
A. KEITH BRODKIN, 60, Director (1990*)
500 Boylston Street
Boston, Massachusetts 02116
 
    He is Chairman and a Director of Massachusetts Financial Services Company; a
Director  of  Sun  Life  Insurance  and  Annuity  Company  of  New  York;  and a
Director/Trustee and/or Officer of the Funds in the MFS Family of Funds.
 
M. COLYER CRUM, 63, Director (1986*)
Harvard Business School
Soldiers Field Road
Boston, Massachusetts 02163
 
    He is a Professor at the Harvard Business School; and a Director of Sun Life
Assurance Company of Canada, Sun Life Insurance and Annuity Company of New York,
Merrill Lynch Ready Assets Trust, Merrill Lynch Basic Value Fund, Inc.,  Merrill
Lynch  Special Value Fund, Inc., Merrill Lynch Capital Fund, Inc., Merrill Lynch
U.S.A. Government Reserves, Merrill Lynch Natural Resources Trust, Merrill Lynch
U.S. Treasury
    
- ---------
* Year Elected Director
 
                                       44
<PAGE>
   
Money Fund, MuniVest California Insured Fund, Inc., MuniVest Florida Fund, Inc.,
MuniVest Michigan Insured Fund, Inc.,  MuniVest New Jersey Fund, Inc.,  MuniVest
New  York Insured Fund, Inc., MuniYield  Florida Insured Fund, MuniYield Insured
Fund II,  Inc., MuniYield  Michigan  Insured Fund,  Inc., MuniYield  New  Jersey
Insured  Fund, Inc.,  MuniYield New  York Insured  Fund III,  Inc. and MuniYield
Pennsylvania Fund.
 
ROBERT A. BONNER, 51, Vice President, Pensions (1986)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is Vice President, Pensions for  the United States of Sun Life  Assurance
Company of Canada.
 
ROBERT E. MCGINNESS, 54, Vice President and Counsel (1983)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is Vice President and Counsel for the United States of Sun Life Assurance
Company  of Canada; Vice President and Counsel  and a Director of Sun Investment
Services Company and Sun Benefit Services Company, Inc.; Assistant Secretary and
a Director of New London Trust, F.S.B.; and a Director of Massachusetts Casualty
Insurance Company.
 
C. JAMES PRIEUR, 45, Vice President, Investments (1993)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is  Vice  President,  Investments  for the  United  States  of  Sun  Life
Assurance  Company  of Canada;  Vice  President, Investments  of  Sun Investment
Services Company and Sun Life Insurance and  Annuity Company of New York; and  a
Director  of Sun Capital Advisers, Inc., New London Trust, F.S.B. and Sun Canada
Financial Co.
 
S. CAESAR RABOY, 59, Vice President, Individual Insurance (1991)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is Vice President, Individual Insurance for the United States of Sun Life
Assurance Company of Canada;  Vice President of Sun  Life Insurance and  Annuity
Company  of New York;  and Vice President  and a Director  of Sun Life Financial
Services Limited. Prior to 1990 he was President and Chief Operating Officer  of
Connecticut Mutual Life Insurance Company.
 
ROBERT P. VROLYK, 43, Vice President and Actuary (1986)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He  is Vice President, Finance  for the United States  of Sun Life Assurance
Company of Canada; Vice President, Controller and Actuary of Sun Life  Insurance
and  Annuity Company of New York; a Director of Massachusetts Casualty Insurance
Company; and Vice President and a Director of Sun Canada Financial Co.
 
BONNIE S. ANGUS, 54, Secretary (1974)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    She is  Assistant Secretary  for the  United States  of Sun  Life  Assurance
Company of Canada; and Secretary of Sun Investment Services Company, Sun Benefit
Services  Company, Inc., MFS/Sun Life Series  Trust, Sun Growth Variable Annuity
Fund, Inc., Money Market Variable Account, High Yield Variable Account,  Capital
Appreciation  Variable  Account, Government  Securities Variable  Account, World
Governments Variable  Account, Total  Return Variable  Account, Managed  Sectors
Variable  Account,  Sun Life  Insurance  and Annuity  Company  of New  York, Sun
Capital Advisers, Inc., New  London Trust, F.S.B.,  Sun Life Financial  Services
Limited and Sun Canada Financial Co.
    
                                       45
<PAGE>
   
L. BROCK THOMSON, 54, Vice President and Treasurer (1974)
One Sun Life Executive Park
Wellesley Hills, Massachusetts 02181
 
    He is Vice President, Portfolio Management for the United States of Sun Life
Assurance  Company of  Canada; Vice  President and  Treasurer of  Sun Investment
Services Company, Sun Capital Advisers, Inc., Sun Benefit Services Company, Inc.
and Sun Life Insurance and Annuity Company of New York; and Assistant  Treasurer
of Massachusetts Casualty Insurance Company.
 
    The  directors, officers  and employees of  the Company are  covered under a
commercial blanket  bond and  a liability  policy. The  directors, officers  and
employees  of Massachusetts  Financial Services Company  and Clarendon Insurance
Agency, Inc. are covered under a fidelity bond and errors and omissions policy.
 
EXECUTIVE COMPENSATION
 
    All of the executive officers of the  Company also serve as officers of  Sun
Life  Assurance Company of Canada and  receive no compensation directly from the
Company. Allocations have been made as to such officers' time devoted to  duties
as  executive officers of  the Company and its  subsidiaries. The allocated cash
compensation of all executive  officers of the Company  as a group for  services
rendered  in  all capacities  to the  Company and  its subsidiaries  during 1995
totalled $812,410. The allocated compensation of the named executive officers is
as follows:
 
<TABLE>
<CAPTION>
                                            ALLOCATED COMPENSATION
                                           -------------------------   OTHER ALLOCATED
NAME/POSITION                              YEAR    SALARY     BONUS      COMPENSATION
- ----------------------------------------   ----   --------   -------   ----------------
<S>                                        <C>    <C>        <C>       <C>
John D. McNeil                             1995   $ 76,854   $29,344
Chairman                                   1994   $ 59,189   $12,284
                                           1993   $ 16,655   $ 3,482
David D. Horn                              1995   $176,800   $52,728       $ 5,787
Senior Vice President                      1994   $ 68,985   $22,995
and General Manager                        1993   $ 64,818   $22,160
Robert A. Bonner,                          1995   $134,227   $24,824       $ 9,892
Vice President, Pensions                   1994   $111,632   $15,706
                                           1993   $ 97,160   $18,877
C. James Prieur,                           1995   $ 95,416   $36,650
Vice President, Investments                1994   $ 82,918   $17,398
                                           1993   $ 80,621   $20,155
Robert K. Leach,                           1995   $138,500   $25,371
Vice President, Individual Annuities       1994   $132,248   $13,500
                                           1993   $125,000   $13,500
</TABLE>
    
    Directors of the Company who are also officers of Sun Life Assurance Company
of Canada  or  its affiliates  receive  no  compensation in  addition  to  their
compensation  as  officers  of  Sun  Life Assurance  Company  of  Canada  or its
affiliates. Messrs. Crum and MacNaughton  receive compensation in the amount  of
$5,000 per year, plus $800 for each meeting attended, plus expenses.
 
    No shares of the Company are owned by any executive officer or director. The
Company  is a wholly-owned  subsidiary of Sun Life  Assurance Company of Canada,
150 King Street West, Toronto, Ontario, Canada M5H 1J9.
 
                                STATE REGULATION
 
    The Company is subject to the laws  of the State of Delaware governing  life
insurance  companies  and  to regulation  by  the Commissioner  of  Insurance of
Delaware. An annual statement is filed with the Commissioner of Insurance on  or
before  March 1st in each year relating to the operations of the Company for the
preceding year and its  financial condition on December  31st of such year.  Its
books  and records are subject  to review or examination  by the Commissioner or
his agents at any time and a full examination of its operations is conducted  at
periodic intervals.
 
                                       46
<PAGE>
    The  Company is also  subject to the  insurance laws and  regulations of the
other states and jurisdictions in which it  is licensed to operate. The laws  of
the   various   jurisdictions   establish   supervisory   agencies   with  broad
administrative powers with respect to licensing to transact business, overseeing
trade practices, licensing agents, approving policy forms, establishing  reserve
requirements,  fixing maximum interest rates on  life insurance policy loans and
minimum rates for  accumulation of  surrender values, prescribing  the form  and
content  of required financial statements and regulating the type and amounts of
investments permitted.  Each  insurance company  is  required to  file  detailed
annual  reports with supervisory agencies in  each of the jurisdictions in which
it does business and its operations  and accounts are subject to examination  by
such agencies at regular intervals.
 
    In addition, many states regulate affiliated groups of insurers, such as the
Company,  its  parent  and  its  affiliates,  under  insurance  holding  company
legislation. Under such  laws, inter-company  transfers of  assets and  dividend
payments from insurance subsidiaries may be subject to prior notice or approval,
depending  on  the  size of  such  transfers  and payments  in  relation  to the
financial positions of the companies involved.
 
    Under insurance guaranty fund laws  in most states, insurers doing  business
therein  can  be  assessed (up  to  prescribed limits)  for  policyholder losses
incurred by insolvent  companies. The amount  of any future  assessments of  the
Company  under these laws cannot be reasonably estimated. However, most of these
laws do  provide that  an assessment  may be  excused or  deferred if  it  would
threaten  an insurer's own  financial strength and many  permit the deduction of
all or a portion of any such assessment from any future premium or similar taxes
payable.
 
    Although the federal  government generally  does not  directly regulate  the
business  of insurance, federal initiatives often have an impact on the business
in  a  variety  of  ways.  Current  and  proposed  federal  measures  which  may
significantly affect the insurance business include employee benefit regulation,
removal  of barriers preventing  banks from engaging  in the insurance business,
tax law changes affecting the taxation of insurance companies, the tax treatment
of insurance products  and its impact  on the relative  desirability of  various
personal  investment vehicles, and  proposed legislation to  prohibit the use of
gender in determining insurance and pension rates and benefits.
 
                               LEGAL PROCEEDINGS
 
    There are no pending legal  proceedings affecting the Variable Account.  The
Company  and its subsidiaries are engaged in various kinds of routine litigation
which, in  management's  judgment,  is  not  of  material  importance  to  their
respective total assets or material with respect to the Variable Account.
 
                                 LEGAL MATTERS
 
    The  organization of the  Company, its authority to  issue the Contracts and
the validity of  the form of  the Contracts have  been passed upon  by David  D.
Horn,  Esq., Senior Vice President and General Manager of the Company. Covington
& Burling, Washington, D.C.,  has advised the Company  on certain legal  matters
concerning  federal  securities laws  applicable to  the issue  and sale  of the
Contracts and federal income tax laws applicable to the Contracts.
 
                                  ACCOUNTANTS
   
    The financial statements of the Variable Account for the year ended December
31, 1995  and  the financial  statements  of the  Company  for the  years  ended
December  31, 1995, 1994 and 1993 included  in this Prospectus have been audited
by Deloitte  & Touche  LLP, independent  auditors, as  stated in  their  reports
appearing  herein, and are  included in reliance  upon the reports  of such firm
given upon their authority as experts in accounting and auditing.
    
                            REGISTRATION STATEMENTS
 
    Registration statements have  been filed  with the  Securities and  Exchange
Commission,  Washington, D.C., under the Securities Act of 1933 as amended, with
respect to the Contracts  offered by this Prospectus.  This Prospectus does  not
contain  all the  information set forth  in the registration  statements and the
exhibits
 
                                       47
<PAGE>
filed as  part of  the registration  statements, to  all of  which reference  is
hereby  made for further information concerning  the Variable Account, the Fixed
Account, the  Company,  the Series  Fund,  the Contract  and  the  Certificates.
Statements  found  in this  Prospectus as  to  the terms  of the  Contracts, the
Certificates and other legal instruments are summaries, and reference is made to
such instruments as filed.
 
                              FINANCIAL STATEMENTS
 
    The  financial  statements  of  the  Company  which  are  included  in  this
Prospectus should be considered only as bearing on the ability of the Company to
meet  its obligations with respect to amounts allocated to the Fixed Account and
with respect to the death benefit and the Company's assumption of the  mortality
and  expense risks. They should  not be considered as  bearing on the investment
performance of the Series Fund shares  held in the Sub-Accounts of the  Variable
Account.  The Variable Account  value of the  interests of Owners, Participants,
Annuitants, Payees and Beneficiaries under  the Contracts is affected  primarily
by  the investment results of  the Series Fund. The  financial statements of the
Variable Account  reflect  units outstanding  and  expenses incurred  under  the
Contracts and other contracts participating in the Variable Account which impose
certain  contract  charges  that  are different  from  those  imposed  under the
Contracts.
 
                              -------------------
 
                                       48
<PAGE>
SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT D
 
STATEMENT OF CONDITION-- December 31, 1995
 
<TABLE>
<CAPTION>
ASSETS:
<S>                                                                             <C>        <C>          <C>
  Investments in mutual funds:                                                   Shares       Cost         Value
                                                                                ---------  -----------  -----------
    Massachusetts Investors Trust ("MIT") Class A.............................  3,629,884  $43,486,191  $46,120,453
    Massachusetts Investors Growth Stock Fund ("MIG") Class A.................  1,173,222   12,820,030   12,475,226
    MFS Total Return Fund ("MTR") Class A.....................................  3,677,956   47,993,051   53,002,899
    MFS Growth Opportunities Fund ("MGO") Class A.............................    367,412    4,232,507    4,387,425
    MFS Bond Fund ("MFB") Class A.............................................    434,601    5,703,794    5,944,295
    MFS World Governments Fund ("MWG") Class A................................    358,314    4,260,049    3,948,001
    MFS/Sun Life Series Trust:
      Capital Appreciation Series ("CAS").....................................  1,269,482   32,530,523   40,607,989
      Government Securities Series ("GSS")....................................  2,088,889   26,163,429   27,970,638
      High Yield Series ("HYS")...............................................  1,006,828    8,497,102    8,984,149
      Money Market Series ("MMS").............................................  15,405,623  15,405,623   15,405,623
                                                                                           -----------  -----------
                                                                                           $201,092,299 $218,846,698
                                                                                           -----------
                                                                                           -----------
  Receivable from sponsor.....................................................                                5,729
                                                                                                        -----------
        Net Assets....................................................................................  $218,852,427
                                                                                                        -----------
                                                                                                        -----------
</TABLE>
 
NET ASSETS:
 
<TABLE>
<CAPTION>
                                                                 Applicable to Owners of
                                                           Deferred Variable Annuity Contracts  Reserve for
                                                           -----------------------------------   Variable
                                                             Units    Unit Value      Value      Annuities      Total
                                                           ---------  -----------  -----------  -----------  -----------
<S>            <C>                                         <C>        <C>          <C>          <C>          <C>
    MIT-Level  2.........................................  1,325,017   $  27.3250  $36,202,094   $  --       $36,202,094
    MIT-Level  3.........................................    317,412       27.4530   8,715,982      --         8,715,982
    MIT-Level  4.........................................     59,347       20.2434   1,202,163      --         1,202,163
    MIG-Level  2.........................................    382,429       24.7411   9,462,536      --         9,462,536
    MIG-Level  3.........................................    108,010       27.2709   2,945,253      --         2,945,253
    MIG-Level  4.........................................      4,837       14.0215      67,437      --            67,437
    MTR-Level  2.........................................  1,642,626       24.6454  40,488,815      --        40,488,815
    MTR-Level  3.........................................    423,134       22.4119   9,486,873      --         9,486,873
    MTR-Level  4.........................................    177,310       17.0639   3,026,994      --         3,026,994
    MGO-Level  2.........................................    172,600       22.1108   3,828,228      --         3,828,228
    MGO-Level  3.........................................     21,847       23.6784     519,204      --           519,204
    MGO-Level  4.........................................      2,467       15.7472      39,993      --            39,993
    MFB-Level  2.........................................    157,192       18.8771   2,994,312      --         2,994,312
    MFB-Level  3.........................................     78,816       19.0533   1,514,573      --         1,514,573
    MFB-Level  4.........................................     90,684       15.7119   1,435,411      --         1,435,411
    MWG-Level  2.........................................    128,962       20.9399   2,700,434      --         2,700,434
    MWG-Level  3.........................................     67,461       18.4915   1,247,567      --         1,247,567
    CAS-Level  2.........................................    834,945       29.6896  24,786,659       3,600    24,790,259
    CAS-Level  3.........................................    362,964       31.5010  11,432,718       8,988    11,441,706
    CAS-Level  4.........................................    143,089       30.6364   4,383,554      --         4,383,554
    GSS-Level  2.........................................    726,698       18.6493  13,552,680       3,550    13,556,230
    GSS-Level  3.........................................    309,543       18.1016   5,604,429       7,843     5,612,272
    GSS-Level  4.........................................    494,152       17.8082   8,800,574      --         8,800,574
    HYS-Level  2.........................................    213,240       19.9142   4,247,181       2,778     4,249,959
    HYS-Level  3.........................................     99,034       18.5003   1,831,992       6,299     1,838,291
    HYS-Level  4.........................................    160,381       18.0475   2,895,978      --         2,895,978
    MMS-Level  2.........................................    530,592       14.7249   7,809,820       2,917     7,812,737
    MMS-Level  3.........................................    265,443       13.6727   3,628,600      --         3,628,600
    MMS-Level  4.........................................    296,406       13.3780   3,964,398      --         3,964,398
                                                                                   -----------  -----------  -----------
        Net Assets...............................................................  $218,816,452 $   35,975   $218,852,427
                                                                                   -----------  -----------  -----------
                                                                                   -----------  -----------  -----------
</TABLE>
 
                       See notes to financial statements
 
                                       49
<PAGE>
SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT D
 
STATEMENT OF OPERATIONS-- Year Ended December 31, 1995
<TABLE>
<CAPTION>
                                           MIT          MIG          MTR          MGO          MFB          MWG          CAS
                                       Sub-Account  Sub-Account  Sub-Account  Sub-Account  Sub-Account  Sub-Account  Sub-Account
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
<S>                                    <C>          <C>          <C>          <C>          <C>          <C>          <C>
INCOME AND EXPENSES:
  Dividend income and capital gain
   distributions received............  $ 4,367,323   $1,692,275  $ 4,891,152   $ 544,559    $ 477,330    $ 492,801    $ 824,528
  Mortality and expense risk
   charges...........................      503,462     156,589       630,156      55,879       72,081       56,494      417,327
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
  Net investment income..............  $ 3,863,861   $1,535,686  $ 4,260,996   $ 488,680    $ 405,249    $ 436,307    $ 407,201
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
REALIZED AND UNREALIZED GAINS
 (LOSSES):
  Realized gains (losses) on
   investment transactions:
    Proceeds from sales..............  $13,315,306   $8,443,270  $17,901,707   $2,492,162   $2,648,808   $3,936,047   $7,444,828
    Cost of investments sold.........   14,791,257   9,068,816    16,582,625   2,279,924    2,854,569    4,042,982    5,769,332
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
      Net realized gains (losses)....  $(1,475,951)  $(625,546)  $ 1,319,082   $ 212,238    $(205,761)   $(106,935)   $1,675,496
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
  Net unrealized appreciation
   (depreciation) on investments:
    End of year......................  $ 2,634,262  $ (344,804 ) $ 5,009,848  $  154,918   $  240,501   $ (312,048 ) $8,077,466
    Beginning of year................   (8,478,315) (2,462,728 )  (1,426,594)   (463,526 )   (733,726 )   (687,020 )    222,915
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
      Change in unrealized
       appreciation..................  $11,112,577  $2,117,924   $ 6,436,442  $  618,444   $  974,227   $  374,972   $7,854,551
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
        Realized and unrealized
         gains.......................  $ 9,636,626  $1,492,378   $ 7,755,524  $  830,682   $  768,466   $  268,037   $9,530,047
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
INCREASE IN NET ASSETS FROM
 OPERATIONS..........................  $13,500,487  $3,028,064   $12,016,520  $1,319,362   $1,173,715   $  704,344   $9,937,248
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
 
<CAPTION>
                                           GSS          HYS          MMS
                                       Sub-Account  Sub-Account  Sub-Account     Total
                                       -----------  -----------  -----------  -----------
<S>                                    <C>          <C>          <C>          <C>
INCOME AND EXPENSES:
  Dividend income and capital gain
   distributions received............   $1,602,217   $ 562,268   $   928,269  $16,382,722
  Mortality and expense risk
   charges...........................     301,393       93,507       197,658    2,484,546
                                       -----------  -----------  -----------  -----------
  Net investment income..............   $1,300,824   $ 468,761   $   730,611  $13,898,176
                                       -----------  -----------  -----------  -----------
REALIZED AND UNREALIZED GAINS
 (LOSSES):
  Realized gains (losses) on
   investment transactions:
    Proceeds from sales..............   $4,866,494   $2,052,134  $10,639,920  $73,740,676
    Cost of investments sold.........   4,638,994    1,916,157    10,639,920   72,584,576
                                       -----------  -----------  -----------  -----------
      Net realized gains (losses)....   $ 227,500    $ 135,977   $   --       $ 1,156,100
                                       -----------  -----------  -----------  -----------
  Net unrealized appreciation
   (depreciation) on investments:
    End of year......................  $1,807,209   $  487,047   $   --       $17,754,399
    Beginning of year................    (733,359 )   (111,528 )     --       (14,873,881)
                                       -----------  -----------  -----------  -----------
      Change in unrealized
       appreciation..................  $2,540,568   $  598,575   $   --       $32,628,280
                                       -----------  -----------  -----------  -----------
        Realized and unrealized
         gains.......................  $2,768,068   $  734,552   $   --       $33,784,380
                                       -----------  -----------  -----------  -----------
INCREASE IN NET ASSETS FROM
 OPERATIONS..........................  $4,068,892   $1,203,313   $   730,611  $47,682,556
                                       -----------  -----------  -----------  -----------
                                       -----------  -----------  -----------  -----------
</TABLE>
 
                       See notes to financial statements
 
                                       50
<PAGE>
SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT D
 
STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>
                                                                                                                 MIG
                                                                                                             Sub-Account
                                                                                             MIT             -----------
                                                                                         Sub-Account
                                                                                   ------------------------  Year Ended
                                                                                                              December
                                                                                   Year Ended December 31,       31,
                                                                                   ------------------------  -----------
                                                                                      1995         1994         1995
                                                                                   -----------  -----------  -----------
<S>                                                                                <C>          <C>          <C>
OPERATIONS:
  Net investment income..........................................................  $ 3,863,861  $ 4,140,890  $ 1,535,686
  Net realized gains (losses)....................................................   (1,475,951)  (1,439,862)    (625,546)
  Net unrealized gains (losses)..................................................   11,112,577   (3,564,329)   2,117,924
                                                                                   -----------  -----------  -----------
      Increase (decrease) in net assets from operations..........................  $13,500,487  $  (863,301) $ 3,028,064
                                                                                   -----------  -----------  -----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received...................................................  $ 8,532,635  $10,094,923  $ 2,266,231
    Net transfers between Sub-Accounts and Fixed Account.........................      361,226     (414,057)    (105,149)
    Withdrawals, surrenders, annuitizations and account fees.....................  (15,381,023)  (6,373,758)  (7,865,153)
                                                                                   -----------  -----------  -----------
      Net accumulation activity..................................................  $(6,487,162) $ 3,307,108  $(5,704,071)
                                                                                   -----------  -----------  -----------
  Annuitization Activity:
    Adjustments to annuity reserve...............................................  $       (61) $        (2) $   --
                                                                                   -----------  -----------  -----------
      Net annuitization activity.................................................  $       (61) $        (2) $   --
                                                                                   -----------  -----------  -----------
        Increase (decrease) in net assets from participant transactions..........  $(6,487,223) $ 3,307,106  $(5,704,071)
                                                                                   -----------  -----------  -----------
          Increase (decrease) in net assets......................................  $ 7,013,264  $ 2,443,805  $(2,676,007)
NET ASSETS:
  Beginning of year..............................................................   39,106,975   36,663,170   15,151,233
                                                                                   -----------  -----------  -----------
  End of year....................................................................  $46,120,239  $39,106,975  $12,475,226
                                                                                   -----------  -----------  -----------
                                                                                   -----------  -----------  -----------
 
<CAPTION>
 
                                                                                                                 MFB
                                                                                                             Sub-Account
                                                                                             MGO             -----------
                                                                                         Sub-Account
                                                                                   ------------------------  Year Ended
                                                                                                              December
                                                                                   Year Ended December 31,       31,
                                                                                   ------------------------  -----------
                                                                                      1995         1994         1995
                                                                                   -----------  -----------  -----------
<S>                                                                                <C>          <C>          <C>
OPERATIONS:
  Net investment income..........................................................  $   488,680  $   318,763  $   405,249
  Net realized gains (losses)....................................................      212,238      165,154     (205,761)
  Net unrealized gains (losses)..................................................      618,444     (725,298)     974,227
                                                                                   -----------  -----------  -----------
      Increase (decrease) in net assets from operations..........................  $ 1,319,362  $  (241,381) $ 1,173,715
                                                                                   -----------  -----------  -----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received...................................................  $   738,132  $   809,298  $ 1,080,197
    Net transfers between Sub-Accounts and Fixed Account.........................       65,501      111,333     (246,836)
    Withdrawals, surrenders, annuitizations and account fees.....................   (2,349,180)  (1,360,155)  (2,353,371)
                                                                                   -----------  -----------  -----------
      Net accumulation activity..................................................  $(1,545,547) $  (439,524) $(1,520,010)
                                                                                   -----------  -----------  -----------
          Increase (decrease) in net assets from participant transactions........  $(1,545,547) $  (439,524) $(1,520,010)
                                                                                   -----------  -----------  -----------
            Increase (decrease) in net assets....................................  $  (226,185) $  (680,905) $  (346,295)
NET ASSETS:
  Beginning of year..............................................................    4,613,610    5,294,515    6,290,591
                                                                                   -----------  -----------  -----------
  End of year....................................................................  $ 4,387,425  $ 4,613,610  $ 5,944,296
                                                                                   -----------  -----------  -----------
                                                                                   -----------  -----------  -----------
 
<CAPTION>
 
                                                                                                          MTR
                                                                                                      Sub-Account
                                                                                                ------------------------
 
                                                                                                Year Ended December 31,
                                                                                                ------------------------
                                                                                      1994         1995         1994
                                                                                   -----------  -----------  -----------
<S>                                                                                <C>          <C>          <C>
OPERATIONS:
  Net investment income..........................................................  $ 1,353,998  $ 4,260,996  $ 1,645,231
  Net realized gains (losses)....................................................     (529,599)   1,319,082    1,515,039
  Net unrealized gains (losses)..................................................   (2,264,598)   6,436,442   (5,264,479)
                                                                                   -----------  -----------  -----------
      Increase (decrease) in net assets from operations..........................  $(1,440,199) $12,016,520  $(2,104,209)
                                                                                   -----------  -----------  -----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received...................................................  $ 4,254,961  $10,735,986  $14,323,755
    Net transfers between Sub-Accounts and Fixed Account.........................      231,366   (1,537,141)    (637,240)
    Withdrawals, surrenders, annuitizations and account fees.....................   (6,618,883) (20,142,315) (11,750,450)
                                                                                   -----------  -----------  -----------
      Net accumulation activity..................................................  $(2,132,556) $(10,943,470) $ 1,936,065
                                                                                   -----------  -----------  -----------
  Annuitization Activity:
    Adjustments to annuity reserve...............................................  $   --       $       (46) $         5
                                                                                   -----------  -----------  -----------
      Net annuitization activity.................................................  $   --       $       (46) $         5
                                                                                   -----------  -----------  -----------
        Increase (decrease) in net assets from participant transactions..........  $(2,132,556) $(10,943,516) $ 1,936,070
                                                                                   -----------  -----------  -----------
          Increase (decrease) in net assets......................................  $(3,572,755) $ 1,073,004  $  (168,139)
NET ASSETS:
  Beginning of year..............................................................   18,723,988   51,929,678   52,097,817
                                                                                   -----------  -----------  -----------
  End of year....................................................................  $15,151,233  $53,002,682  $51,929,678
                                                                                   -----------  -----------  -----------
                                                                                   -----------  -----------  -----------
 
                                                                                                          MWG
                                                                                                      Sub-Account
                                                                                                ------------------------
 
                                                                                                Year Ended December 31,
                                                                                                ------------------------
                                                                                      1994         1995         1994
                                                                                   -----------  -----------  -----------
<S>                                                                                <C>          <C>          <C>
OPERATIONS:
  Net investment income..........................................................  $   406,661  $   436,307  $   268,342
  Net realized gains (losses)....................................................     (307,105)    (106,935)    (196,908)
  Net unrealized gains (losses)..................................................     (500,450)     374,972     (594,857)
                                                                                   -----------  -----------  -----------
      Increase (decrease) in net assets from operations..........................  $  (400,894) $   704,344  $  (523,423)
                                                                                   -----------  -----------  -----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received...................................................  $ 1,647,469  $   734,888  $ 1,131,912
    Net transfers between Sub-Accounts and Fixed Account.........................     (301,547)    (164,387)    (327,638)
    Withdrawals, surrenders, annuitizations and account fees.....................   (1,813,087)  (3,698,312)    (911,652)
                                                                                   -----------  -----------  -----------
      Net accumulation activity..................................................  $  (467,165) $(3,127,811) $  (107,378)
                                                                                   -----------  -----------  -----------
          Increase (decrease) in net assets from participant transactions........  $  (467,165) $(3,127,811) $  (107,378)
                                                                                   -----------  -----------  -----------
            Increase (decrease) in net assets....................................  $  (868,059) $(2,423,467) $  (630,801)
NET ASSETS:
  Beginning of year..............................................................    7,158,650    6,371,468    7,002,269
                                                                                   -----------  -----------  -----------
  End of year....................................................................  $ 6,290,591  $ 3,948,001  $ 6,371,468
                                                                                   -----------  -----------  -----------
                                                                                   -----------  -----------  -----------
</TABLE>
 
                       See notes to financial statements
 
                                       51
<PAGE>
SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT D
 
STATEMENTS OF CHANGES IN NET ASSETS-- continued
<TABLE>
<CAPTION>
                                                                                                                           MMS
                                                         CAS                     GSS                     HYS            Sub-Account
                                                     Sub-Account             Sub-Account             Sub-Account        ----------
                                                ----------------------  ----------------------  ----------------------
                                                                                                                        Year Ended
                                                      Year Ended              Year Ended              Year Ended         December
                                                     December 31,            December 31,            December 31,          31,
                                                ----------------------  ----------------------  ----------------------  ----------
                                                   1995        1994        1995        1994        1995        1994        1995
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
<S>                                             <C>         <C>         <C>         <C>         <C>         <C>         <C>
OPERATIONS:
  Net investment income.......................  $  407,201  $2,518,162  $1,300,824  $1,138,419  $  468,761  $  505,212  $  730,611
  Net realized gains..........................   1,675,496   1,643,270     227,500     365,174     135,977     316,716      --
  Net unrealized gains (losses)...............   7,854,551  (5,591,434)  2,540,568  (2,398,370)    598,575  (1,073,843)     --
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
      Increase (decrease) in net assets from
       operations.............................  $9,937,248  $(1,430,002) $4,068,892 $ (894,777) $1,203,313  $ (251,915) $  730,611
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received................  $6,689,889  $6,973,119  $4,655,684  $5,484,373  $1,495,744  $1,557,743  $2,671,551
    Net transfers between Sub-Accounts and
     Fixed Account............................    (596,568)    810,553  (1,355,901) (2,034,565)    826,665    (164,108)   (436,424)
    Withdrawals, surrenders, annuitizations
     and account fees.........................  (6,314,794) (3,260,724) (4,593,776) (4,659,943) (1,672,150) (1,292,785) (7,181,160)
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
      Net accumulation activity...............  $ (221,473) $4,522,948  $(1,293,993) $(1,210,135) $  650,259 $  100,850 $(4,946,033)
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
  Annuitization Activity:
    Annuity payments and account fees.........  $   (7,119) $   (6,567) $   (4,220) $   (4,615) $   (2,442) $   (2,388) $     (222)
    Adjustments to annuity reserve............       1,782        (391)       (152)       (103)        (49)       (199)        (15)
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
      Net annuitization activity..............  $   (5,337) $   (6,958) $   (4,372) $   (4,718) $   (2,491) $   (2,587) $     (237)
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
        Increase (decrease) in net assets from
         participant transactions.............  $ (226,810) $4,515,990  $(1,298,365) $(1,214,853) $  647,768 $   98,263 $(4,946,270)
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
          Increase (decrease) in net assets...  $9,710,438  $3,085,988  $2,770,527  $(2,109,630) $1,851,081 $ (153,652) $(4,215,659)
NET ASSETS:
  Beginning of year...........................  30,905,081  27,819,093  25,198,549  27,308,179   7,133,147   7,286,799  19,621,394
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
  End of year.................................  $40,615,519 $30,905,081 $27,969,076 $25,198,549 $8,984,228  $7,133,147  $15,405,735
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                ----------  ----------  ----------  ----------  ----------  ----------  ----------
 
<CAPTION>
 
                                                                     Total
                                                            ------------------------
 
                                                                   Year Ended
                                                                  December 31,
                                                            ------------------------
                                                   1994        1995         1994
                                                ----------  -----------  -----------
<S>                                             <C>         <C>          <C>
OPERATIONS:
  Net investment income.......................  $  495,394  $13,898,176  $12,791,072
  Net realized gains..........................      --        1,156,100    1,531,879
  Net unrealized gains (losses)...............      --       32,628,280  (21,977,658)
                                                ----------  -----------  -----------
      Increase (decrease) in net assets from
       operations.............................  $  495,394  $47,682,556  $(7,654,707)
                                                ----------  -----------  -----------
PARTICIPANT TRANSACTIONS:
  Accumulation Activity:
    Purchase payments received................  $3,509,838  $39,600,937  $49,787,391
    Net transfers between Sub-Accounts and
     Fixed Account............................     874,020   (3,189,014)  (1,851,883)
    Withdrawals, surrenders, annuitizations
     and account fees.........................  (6,139,245) (71,551,234) (44,180,682)
                                                ----------  -----------  -----------
      Net accumulation activity...............  $(1,755,387) $(35,139,311) $ 3,754,826
                                                ----------  -----------  -----------
  Annuitization Activity:
    Annuity payments and account fees.........  $     (224) $   (14,003) $   (13,794)
    Adjustments to annuity reserve............         (21)       1,459         (711)
                                                ----------  -----------  -----------
      Net annuitization activity..............  $     (245) $   (12,544) $   (14,505)
                                                ----------  -----------  -----------
        Increase (decrease) in net assets from
         participant transactions.............  $(1,755,632) $(35,151,855) $ 3,740,321
                                                ----------  -----------  -----------
          Increase (decrease) in net assets...  $(1,260,238) $12,530,701 $(3,914,386)
NET ASSETS:
  Beginning of year...........................  20,881,632  206,321,726  210,236,112
                                                ----------  -----------  -----------
  End of year.................................  $19,621,394 $218,852,427 $206,321,726
                                                ----------  -----------  -----------
                                                ----------  -----------  -----------
</TABLE>
 
                       See notes to financial statements
NOTES TO FINANCIAL STATEMENTS
 
(1) ORGANIZATION
    Sun  Life of  Canada (U.S.) Variable  Account D (the  "Variable Account"), a
separate account of Sun  Life Assurance Company of  Canada (U.S.), the  Sponsor,
was established on August 20, 1985 as a funding vehicle for the variable portion
of   group  combination  fixed/variable  annuities.   The  Variable  Account  is
registered with  the Securities  and Exchange  Commission under  the  Investment
Company Act of 1940 as a unit investment trust.
 
The  assets  of  the  Variable  Account  are  divided  into  Sub-Accounts.  Each
Sub-Account is invested in  shares of a specific  mutual fund or series  thereof
selected  by contract  owners from  among available  mutual funds  (the "Funds")
advised by  Massachusetts  Financial  Services  Company  (MFS),  a  wholly-owned
subsidiary of the Sponsor.
 
                                       52
<PAGE>
SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT D
 
NOTES TO FINANCIAL STATEMENTS -- continued
 
(2) SIGNIFICANT ACCOUNTING POLICIES
 
INVESTMENT VALUATIONS
 
Investments  in the Funds are recorded at  their net asset value. Realized gains
and losses on sales of shares of the Funds are determined on the identified cost
basis.  Dividend  income  and  capital   gain  distributions  received  by   the
Sub-Accounts  are reinvested in additional Fund shares and are recognized on the
ex-dividend date.
 
Exchanges between Sub-Accounts requested by contract owners are recorded in  the
new Sub-Account upon receipt of the redemption proceeds.
 
FEDERAL INCOME TAX STATUS
 
The operations of the Variable Account are part of the operations of the Sponsor
and  are not taxed separately; the Variable  Account is not taxed as a regulated
investment company. The Sponsor qualifies  for the federal income tax  treatment
granted  to life insurance companies under  Subchapter L of the Internal Revenue
Code. Under existing federal income tax law, investment income and capital gains
earned by the  Variable Account on  contract owner reserves  are not subject  to
tax.
 
(3) CONTRACT CHARGES
    A mortality and expense risk charge is deducted from the Variable Account at
the  end of each valuation period for the mortality and expense risks assumed by
the Sponsor. These deductions are  transferred periodically to the Sponsor.  The
rate  of this deduction varies based on  total purchase payments credited to all
participants' accounts under a contract as follows:
 
<TABLE>
<CAPTION>
                                        Mortality
                                       and Expense
  Level         Purchase Payments      Risk Charge
- ----------  -------------------------  ------------
<C>         <S>                        <C>
        1   $      up to $250,000           1.30%
        2   250,000 to 1,499,999            1.25%
        3   1,500,000 to 4,999,999          1.10%
        4   5,000,000 and over              0.95%
</TABLE>
 
Since 1987 the Sponsor has reduced the Level 1 mortality and expense risk charge
to 1.25% and, therefore, has  been accounting for all Level  1 units as Level  2
units.
 
Each  year on the  account anniversary, an  account administration fee ("Account
Fee") is  deducted  from  the  participant's  account  to  cover  administrative
expenses  relating to the contract and  the participant's account. The amount of
the fee varies from $12 to $25 and is based on total purchase payments  credited
to  all participants' accounts under a  contract. After the annuity commencement
date the account fee is deducted pro rata from each annuity payment made  during
the year.
 
The  Sponsor does not deduct  a sales charge from  purchase payments. However, a
withdrawal charge (contingent deferred  sales charge) may  be deducted to  cover
certain  expenses relating to  the sale of  the contract. In  no event shall the
aggregate withdrawal charges exceed 6% of  the purchase payments made under  the
contract.
 
                                       53
<PAGE>
(4) ANNUITY RESERVES
    Annuity   reserves  are  calculated  using  the  1983  Individual  Annuitant
Mortality Table and an assumed interest rate of 4%. Required adjustments to  the
reserve are accomplished by transfers to or from the Sponsor.
 
(5) UNIT ACTIVITY FROM PARTICIPANT TRANSACTIONS
 
<TABLE>
<CAPTION>
                                                               Units Transfered      Units Withdrawn,
                 Units Outstanding                           Between Sub-Accounts    Surrendered and        Units Outstanding
                 Beginning of Year       Units Purchased      and Fixed Account         Annuitized             End of Year
               ----------------------  --------------------  --------------------  --------------------  -----------------------
                     Year Ended             Year Ended            Year Ended            Year Ended             Year Ended
                    December 31,           December 31,          December 31,          December 31,           December 31,
               ----------------------  --------------------  --------------------  --------------------  -----------------------
Sub-Accounts      1995        1994       1995       1994       1995       1994       1995       1994        1995        1994
- -------------  ----------  ----------  ---------  ---------  ---------  ---------  ---------  ---------  ----------  -----------
<S>            <C>         <C>         <C>        <C>        <C>        <C>        <C>        <C>        <C>         <C>
MIT-Level  2    1,302,429   1,274,349    304,799    402,322      2,239   (119,786)  (284,450)  (254,456)  1,325,017    1,302,429
MIT-Level  3      354,395     255,457     45,258     54,592      8,829    102,834    (91,070)   (58,488)    317,412      354,395
MIT-Level  4      421,137     372,426     24,234     56,884      4,424     (4,782)  (390,448)    (3,391)     59,347      421,137
MIG-Level  2      393,686     414,661     77,506    105,844     (8,205)   (51,317)   (80,558)   (75,502)    382,429      393,686
MIG-Level  3      127,769     237,112     20,579     72,773      8,202    (85,658)   (48,540)   (96,458)    108,010      127,769
MIG-Level  4      429,508     371,521      4,995     55,455     (9,612)   277,430   (420,054)  (274,898)      4,837      429,508
MTR-Level 2     1,726,666   1,846,634    355,684    495,574    (38,296)  (275,914)  (401,428)  (339,628)  1,642,626    1,726,666
MTR-Level 3       756,604     594,218     91,823    161,446    (22,980)   192,742   (402,313)  (191,802)    423,134      756,604
MTR-Level 4       329,757     236,241     76,222    101,630    (16,128)    98,829   (212,541)  (106,943)    177,310      329,757
MGO-Level 2       201,423     266,312     31,135     37,872      1,108    (36,593)   (61,066)   (66,168)    172,600      201,423
MGO-Level 3        59,105      23,947      6,878      8,003      2,216     38,511    (46,352)   (11,356)     21,847       59,105
MGO-Level 4        16,384      11,887        268      1,697       (419)     2,987    (13,766)      (187)      2,467       16,384
MFB-Level 2       173,242     233,667     28,890     48,654     (9,159)   (44,956)   (35,781)   (64,123)    157,192      173,242
MFB-Level 3       130,119     105,470     16,967     35,978     (7,548)       253    (60,722)   (11,582)     78,816      130,119
MFB-Level 4       111,663     105,162     19,759     22,608      3,221     31,354    (43,959)   (47,461)     90,684      111,663
MWG-Level 2       158,464     198,385     23,878     37,659     (7,073)   (48,956)   (46,307)   (28,624)    128,962      158,464
MWG-Level 3       101,949      69,250     13,728     19,214      1,694     39,628    (49,910)   (26,143)     67,461      101,949
MWG-Level 4       160,179     150,969      1,660     17,899     (4,646)    (5,085)  (157,193)    (3,604)     --          160,179
CAS-Level 2       829,460     803,255    155,497    211,791    (16,888)   (84,802)  (133,124)  (100,784)    834,945      829,460
CAS-Level 3       365,537     221,334     70,611     65,235     (3,819)   115,550    (69,365)   (36,582)    362,964      365,537
CAS-Level 4       160,474     142,742     24,304     25,687     (5,237)    (3,598)   (36,452)    (4,357)    143,089      160,474
GSS-Level 2       746,715     852,889    158,219    213,604    (26,368)  (124,108)  (151,868)  (195,670)    726,698      746,715
GSS-Level 3       338,634     331,847     37,182     41,254     (6,591)    49,822    (59,682)   (84,289)    309,543      338,634
GSS-Level 4       519,083     494,094     77,682     90,628    (47,652)   (52,849)   (54,961)   (12,790)    494,152      519,083
HYS-Level 2       206,627     221,068     36,334     45,703     12,587    (17,299)   (42,308)   (42,845)    213,240      206,627
HYS-Level 3        80,917      88,591     11,281     11,340     45,065      9,476    (38,229)   (28,490)     99,034       80,917
HYS-Level 4       145,707     116,083     36,474     36,681     (9,026)    (1,383)   (12,774)    (5,674)    160,381      145,707
MMS-Level 2       634,761     729,713    132,695    166,725    (21,847)   (19,742)  (215,017)  (241,935)    530,592      634,761
MMS-Level 3       417,392     430,480     31,937     57,253    (25,114)    22,760   (158,772)   (93,101)    265,443      417,392
MMS-Level 4       404,055     425,496     25,520     35,195     16,480     67,598   (149,649)  (124,234)    296,406      404,055
</TABLE>
 
                                       54
<PAGE>
INDEPENDENT AUDITORS' REPORT
 
To the Participants in Sun Life of Canada (U.S.) Variable Account D
  and the Board of Directors of Sun Life Assurance Company of Canada (U.S.):
 
We  have audited the accompanying  statement of condition of  Sun Life of Canada
(U.S.) Variable Account D (the "Variable Account") as of December 31, 1995,  the
related  statement of operations for  the year then ended  and the statements of
changes in net  assets for the  years ended  December 31, 1995  and 1994.  These
financial statements are the responsibility of management. Our responsibility is
to express an opinion on these financial statements based on our audits.
 
We   conducted  our  audits  in  accordance  with  generally  accepted  auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. Our procedures included
confirmation with the custodian of securities  held for the Variable Account  as
of December 31, 1995. An audit also includes assessing the accounting principles
used  and significant  estimates made by  management, as well  as evaluating the
overall financial statement presentation. We  believe that our audits provide  a
reasonable basis for our opinion.
 
In  our  opinion,  such financial  statements  present fairly,  in  all material
respects, the financial  position of  the Variable  Account as  of December  31,
1995,  the results of its  operations and the changes in  its net assets for the
respective stated  periods  in  conformity with  generally  accepted  accounting
principles.
 
DELOITTE & TOUCHE LLP
 
Boston, Massachusetts
February 2, 1996
 
                                       55
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                                                       DECEMBER 31,
                                                                              ------------------------------
                                                                                   1995            1994
                                                                              --------------  --------------
                                                                                        (IN 000'S)
<S>                                                                           <C>             <C>
ASSETS
    Bonds                                                                     $    2,846,067  $    2,471,152
    Preferred stock                                                                    1,149               0
    Mortgage loans                                                                 1,066,911       1,120,981
    Investments in subsidiaries                                                      138,282         134,807
    Real estate                                                                       95,574          89,487
    Other invested assets                                                             38,387          26,036
    Policy loans                                                                      38,355          36,584
    Cash                                                                             (20,280)        (11,459)
    Investment income due and accrued                                                 62,719          56,096
    Funds withheld on reinsurance assumed                                            741,091         566,693
    Due from separate accounts                                                       148,675         132,496
    Other assets                                                                      26,349          27,683
                                                                              --------------  --------------
    General account assets                                                         5,183,279       4,650,556
                                                                              --------------  --------------
    Unitized separate account assets                                               5,275,808       4,061,821
    Non-unitized separate account assets                                           2,040,596       1,425,445
                                                                              --------------  --------------
                                                                              $   12,499,683  $   10,137,822
                                                                              --------------  --------------
                                                                              --------------  --------------
LIABILITIES
    Policy reserves                                                           $    1,937,302  $    1,765,326
    Annuity and other deposits                                                     2,290,656       2,277,104
    Policy benefits in process of payment                                              5,884           5,796
    Accrued expenses and taxes                                                        44,114          12,386
    Other liabilities                                                                 36,080          50,087
    Due to parent and affiliates--net                                                  9,498          41,881
    Interest maintenance reserve                                                      25,218          18,140
    Asset valuation reserve                                                           42,099          28,409
                                                                              --------------  --------------
    General account liabilities                                                    4,390,851       4,199,129
                                                                              --------------  --------------
    Unitized separate account liabilities                                          5,275,784       4,057,759
    Non-unitized separate account liabilities                                      2,040,596       1,425,445
                                                                              --------------  --------------
                                                                                  11,707,231       9,682,333
                                                                              --------------  --------------
CAPITAL STOCK AND SURPLUS
    Capital Stock--Par value $1,000:
       Authorized 10,000 shares,
        issued and outstanding 5,900 shares                                            5,900           5,900
    Surplus                                                                          786,552         449,589
                                                                              --------------  --------------
    Total capital stock and surplus                                                  792,452         455,489
                                                                              --------------  --------------
                                                                              $   12,499,683  $   10,137,822
                                                                              --------------  --------------
                                                                              --------------  --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       56
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                YEARS ENDED DECEMBER 31,
                                           ----------------------------------
                                              1995        1994        1993
                                           ----------  ----------  ----------
 <S>                                       <C>         <C>         <C>
                                                       (IN 000'S)
 INCOME
     Premiums and annuity considerations   $  274,244  $  313,025  $  469,157
     Annuity and other deposit funds          722,327     699,189   1,205,680
     Transfers from separate
      accounts--net                            21,455     102,213         350
     Net investment income                    366,598     337,747     253,496
     Amortization of interest maintenance
      reserve                                     899       3,316       2,703
     Realized losses on investments            (1,434)     (6,166)    (12,403)
     Expense allowance on reinsurance
      ceded                                         0           0       8,475
     Mortality and expense risk charges        60,954      52,338      42,981
     Other income--net                         16,666      33,377      46,102
                                           ----------  ----------  ----------
                                            1,461,709   1,535,039   2,016,541
 BENEFITS AND EXPENSES
     Increase (decrease) in liability for
      annuity and other deposit funds          13,552     (69,542)    894,128
     Increase in policy reserves              171,976     219,334     589,559
     Death, surrender benefits, and
      annuity payments                        189,744     166,889     128,902
     Annuity and other deposit fund
      withdrawals                             531,928     540,352     146,260
     Transfers to non-unitized separate
      account                                 331,403     455,688      28,070
                                           ----------  ----------  ----------
                                            1,238,603   1,312,721   1,786,919
     Operating expenses                        37,492      32,231      24,170
     Commissions                              108,672     150,011     204,016
     Dividends                                 25,722      22,928       8,074
     Taxes, licenses and fees                   4,774       4,649       4,180
                                           ----------  ----------  ----------
                                            1,415,263   1,522,540   2,027,359
                                           ----------  ----------  ----------
     Net income (loss) from operations
      before surplus note interest and
      equity in income of subsidiaries         46,446      12,499     (10,818)
     Surplus note interest                    (31,813)    (31,150)    (26,075)
                                           ----------  ----------  ----------
     Net income (loss) from operations
      before equity in income of
      subsidiaries and federal income tax      14,633     (18,651)    (36,893)
     Equity in income of subsidiaries          59,875      62,629      62,640
     Federal income tax expense               (38,593)    (42,521)    (22,491)
                                           ----------  ----------  ----------
 NET INCOME                                $   35,915  $    1,457  $    3,256
                                           ----------  ----------  ----------
                                           ----------  ----------  ----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       57
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
STATEMENTS OF CAPITAL STOCK AND SURPLUS
 
<TABLE>
<CAPTION>
                                                                 YEARS ENDED DECEMBER 31,
                                                            ----------------------------------
                                                               1995        1994        1993
                                                            ----------  ----------  ----------
                                                                        (IN 000'S)
 
<S>                                                         <C>         <C>         <C>
CAPITAL STOCK                                               $    5,900  $    5,900  $    5,900
PAID-IN SURPLUS                                                199,355     199,355     199,355
SURPLUS NOTES
    Balance, beginning of year                                 335,000     335,000     265,000
    Issued during year                                         315,000           0      70,000
                                                            ----------  ----------  ----------
    Balance, end of year                                       650,000     335,000     335,000
                                                            ----------  ----------  ----------
UNASSIGNED SURPLUS
    Balance, beginning of year                                 (84,766)    (57,067)    (57,485)
    Net income                                                  35,915       1,457       3,256
    Writedown of goodwill                                            0     (18,397)          0
    Change in non-admitted assets                               (2,270)     (1,485)       (191)
    Unrealized gains (losses) on real estate                     2,009        (671)     (4,440)
    Change in and transfers of separate account
     surplus                                                        (1)       (227)        117
    Change in asset valuation reserve                          (13,690)     (8,376)      1,676
                                                            ----------  ----------  ----------
    Balance, end of year                                       (62,803)    (84,766)    (57,067)
                                                            ----------  ----------  ----------
TOTAL SURPLUS                                                  786,552     449,589     477,288
                                                            ----------  ----------  ----------
TOTAL CAPITAL STOCK AND SURPLUS                             $  792,452  $  455,489  $  483,188
                                                            ----------  ----------  ----------
                                                            ----------  ----------  ----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       58
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                  YEARS ENDED DECEMBER 31,
                                            -------------------------------------
                                               1995         1994         1993
                                            -----------  -----------  -----------
 <S>                                        <C>          <C>          <C>
                                                         (IN 000'S)
 Cash flows from operating activities:
     Net income (loss) from operations
      before surplus note interest and
      equity in income of subsidiaries      $    46,446  $    12,499  $   (10,818)
     Adjustments to reconcile net income
      (loss) from operations to net cash
      provided by (used in) operating
      activities:
     Increase (decrease) in liability for
      annuity and other deposit funds            13,552      (69,542)     894,128
     Increase in policy reserves                171,976      219,334      589,559
     Increase in investment income due and
      accrued                                    (6,623)      (2,736)     (21,746)
     Net accrual and amortization of
      discount and premium on investments         3,127        7,272        5,911
     Realized losses on investments               1,434        6,166       12,403
     Change in non-admitted assets               (2,270)      (1,485)        (191)
     Change in funds withheld on
      reinsurance                              (174,398)    (199,826)  (1,087,862)
     Other                                      (11,160)     (71,746)      24,953
                                            -----------  -----------  -----------
 Net cash provided by (used in) operating
   activities                                    42,084     (100,064)     406,337
                                            -----------  -----------  -----------
 Cash flows from investing activities:
     Proceeds from sale and maturity of
      investments                             1,705,685    1,596,851    1,173,345
     Purchase of investments                 (1,820,843)  (1,491,159)  (1,618,587)
     Net change in short-term investments      (254,897)     (20,543)     (38,782)
     Investment in subsidiaries                  (6,000)      (4,894)     (15,250)
     Dividends from subsidiaries                 37,927       37,444       42,520
                                            -----------  -----------  -----------
 Net cash provided by (used in) investing
   activities                                  (338,128)     117,699     (456,754)
                                            -----------  -----------  -----------
 Cash flows from financing activities:
     Issue of surplus notes                     315,000            0       70,000
     Payment of interest on surplus notes       (31,813)     (31,150)     (26,075)
     Repayment of seed capital                    4,036            0            0
                                            -----------  -----------  -----------
 Net cash provided by (used in) financing
   activities                                   287,223      (31,150)      43,925
                                            -----------  -----------  -----------
 Decrease in cash during the year                (8,821)     (13,515)      (6,492)
 Cash balance, beginning of year                (11,459)       2,056        8,548
                                            -----------  -----------  -----------
 Cash balance, end of year                  $   (20,280) $   (11,459) $     2,056
                                            -----------  -----------  -----------
                                            -----------  -----------  -----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       59
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS
YEARS ENDED DECEMBER 31, 1995, 1994, AND 1993
 
1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:
 
GENERAL--
 
Sun  Life Assurance Company of Canada (U.S.)  (the Company) is incorporated as a
life insurance company and is currently engaged in the sale of individual  fixed
and  variable annuities,  group fixed and  variable annuities  and group pension
contracts. The Company  also underwrites  a block of  individual life  insurance
business  through a  reinsurance contract  with its  parent. Sun  Life Assurance
Company of Canada (the parent company)  is a mutual life insurance company.  The
Company,  which is  domiciled in the  State of Delaware,  prepares its financial
statements in  accordance  with  statutory accounting  practices  prescribed  or
permitted  by the State  of Delaware Insurance  Department. Statutory accounting
practices are  considered to  be generally  accepted accounting  principles  for
mutual  insurance companies  and subsidiaries of  mutuals. Prescribed accounting
practices include  a variety  of  publications of  the National  Association  of
Insurance  Commissioners (NAIC), as well as  state laws, regulations and general
administrative rules. Permitted  accounting practices  encompass all  accounting
practices  not so prescribed. The permitted  accounting practices adopted by the
Company are  not  material  to  the financial  statements.  Preparation  of  the
financial   statements  requires  management  to   make  certain  estimates  and
assumptions.
 
Assets in the balance sheets are stated at values prescribed or permitted to  be
reported by state regulatory authorities. Bonds are carried at cost adjusted for
amortization  of premium or accrual of discount. Investments in subsidiaries are
carried on the equity  basis. Mortgage loans acquired  at a premium or  discount
are  carried at amortized values and other  mortgage loans at the amounts of the
unpaid balances. Real  estate investments are  carried at the  lower of cost  or
appraised  value,  adjusted  for  accumulated  depreciation,  less encumbrances.
Depreciation of buildings and improvements is calculated using the straight line
method over the  estimated useful  life of the  property. For  life and  annuity
contracts,  premiums are recognized as revenues  over the premium paying period,
whereas commissions  and  other  costs  applicable to  the  acquisition  of  new
business  are  charged  to  operations  as  incurred.  Furniture  and  equipment
acquisitions are capitalized  but treated as  nonadmitted assets. Furniture  and
equipment  depreciation is calculated  on a straight line  basis over the useful
life of the assets.
 
MANAGEMENT AND SERVICE CONTRACTS--
 
The Company has  an agreement with  its parent company  which provides that  the
parent company will furnish, as requested, personnel as well as certain services
and  facilities on  a cost  reimbursement basis.  Expenses under  this agreement
amounted  to  approximately  $20,293,000  in  1995,  $18,452,000  in  1994,  and
$13,883,000 in 1993.
 
REINSURANCE--
 
The Company has agreements with the parent company which provide that the parent
company  will  reinsure the  mortality risks  of  the individual  life insurance
contracts sold by the Company. Under  these agreements basic death benefits  and
supplementary  benefits  are  reinsured on  a  yearly renewable  term  basis and
coinsurance basis, respectively. Reinsurance transactions under these agreements
had the effect of decreasing income from operations by approximately $2,184,000,
$2,138,000, and $1,046,000,  for the  years ended  December 31,  1995, 1994  and
1993, respectively.
 
Effective January 1, 1991, the Company entered into an agreement with the parent
company  under  which 100%  of  certain fixed  annuity  contracts issued  by the
Company  were  reinsured.  Effective  December  31,  1993  this  agreement   was
terminated.  This agreement had the effect  of decreasing income from operations
by approximately $9,930,000 in 1993.
 
                                       60
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED):
Effective January 1, 1991, the Company entered into an agreement with the parent
company under which certain  individual life insurance  contracts issued by  the
parent  company were reinsured by the Company  on a 90% coinsurance basis. Also,
effective January 1, 1991, the Company entered into an agreement with the parent
company which provides that the parent company will reinsure the mortality risks
in excess of  $500,000 per policy  for the individual  life insurance  contracts
assumed  by the Company in the reinsurance agreement described above. Such death
benefits are reinsured on  a yearly renewable term  basis. These agreements  had
the  effect of increasing income from operations by approximately $11,821,000 in
1995, and decreasing  income by approximately  $29,188,000, and $43,591,000  for
the years ended December 31, 1994 and 1993, respectively.
 
The  life reinsurance assumed agreement requires the reinsurer to withhold funds
in amounts equal to the reserves assumed.
 
The following are summarized pro-forma results of operations of the Company  for
the  years  ended  December  31,  1995,  1994  and  1993  before  the  effect of
reinsurance transactions with the parent company.
 
<TABLE>
<CAPTION>
                                                                       YEARS ENDED DECEMBER 31,
                                                               ----------------------------------------
                                                                   1995          1994          1993
                                                               ------------  ------------  ------------
                                                                              (IN 000'S)
<S>                                                            <C>           <C>           <C>
Income:
    Premiums, annuity deposits and other revenues              $    890,560  $    962,320  $    762,553
    Net investment income and realized gains (losses)               306,893       304,155       293,557
                                                               ------------  ------------  ------------
    Subtotal                                                      1,197,453     1,266,475     1,056,110
                                                               ------------  ------------  ------------
Benefits and Expenses:
    Policyholder benefits                                         1,030,342     1,092,192       926,827
    Other expenses                                                  130,302       130,457        85,575
                                                               ------------  ------------  ------------
    Subtotal                                                      1,160,644     1,222,649     1,012,402
                                                               ------------  ------------  ------------
Income from operations                                         $     36,809  $     43,826  $     43,708
                                                               ------------  ------------  ------------
                                                               ------------  ------------  ------------
</TABLE>
 
The  Company  has  an  agreement  with  an  unrelated  company  which   provides
reinsurance  of  certain  individual  life  insurance  contracts  on  a modified
coinsurance basis  and under  which  all deficiency  reserves related  to  these
contracts  are reinsured. Reinsurance transactions  under this agreement had the
effect of decreasing income  from operations by  $1,599,000 in 1995,  increasing
income  from  operations  by  $1,854,000  in  1994  and  decreasing  income from
operations by $390,000 in 1993.
 
SEPARATE ACCOUNTS--
 
The Company has  established unitized  separate accounts  applicable to  various
classes  of contracts providing for variable benefits. Contracts for which funds
are invested in separate accounts include variable life insurance and individual
and group qualified and non-qualified variable annuity contracts.
 
Assets and liabilities of the  separate accounts, representing net deposits  and
accumulated net investment earnings less fees, held primarily for the benefit of
contract  holders are  shown as separate  captions in  the financial statements.
Assets held in the separate accounts are carried at market values.
 
                                       61
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED):
Deposits to all separate accounts are reported as increases in separate  account
liabilities and are not reported as revenues. Mortality and expense risk charges
and  surrender fees incurred by the separate  accounts are included in income of
the Company.
 
The  Company  has  established  a  non-unitized  separate  account  for  amounts
allocated  to the fixed  portion of certain  combination fixed/variable deferred
annuity contracts. The  assets of  this account  are available  to fund  general
account liabilities and general account assets are available to fund liabilities
of this account.
 
Any  difference between the  assets and liabilities of  the separate accounts is
treated as payable  to or receivable  from the general  account of the  Company.
Amounts  payable to the general account of the Company were $148,675,000 in 1995
and $132,496,000 in 1994.
 
OTHER--
 
Income on investments is recognized on the accrual method.
 
The reserves for  life insurance  and annuity contracts,  developed by  accepted
actuarial  methods,  have  been  established  and  maintained  on  the  basis of
published mortality tables  using assumed interest  rates and valuation  methods
that  will  provide reserves  at least  as great  as those  required by  law and
contract provisions.
 
Net income reported in the Company's statutory Annual Statement differs from net
income reported in these financial  statements. Dividends from subsidiaries  are
included  in  income  and  undistributed  income  (losses)  of  subsidiaries are
included as  gains  (losses)  in  unassigned surplus  in  the  statutory  Annual
Statement. Both the dividends and the undistributed income (losses) are included
in net income in these financial statements.
 
Investments  in non-insurance  subsidiaries are  carried at  their stockholders'
equity value,  determined  in  accordance  with  generally  accepted  accounting
principles. Investments in insurance subsidiaries are carried at their statutory
surplus values.
 
Certain  reclassifications  have  been  made  in  the  1993  and  1994 financial
statements to conform to the classifications used in 1995.
 
2.  INVESTMENTS IN SUBSIDIARIES:
The Company  owns  all of  the  outstanding shares  of  Massachusetts  Financial
Services  Company (MFS), Sun Life Insurance and Annuity Company of New York (Sun
Life (N.Y.)), Sun  Investment Services Company  (Sunesco), Sun Benefit  Services
Company,  Inc. (Sunbesco), Massachusetts Casualty  Insurance Company (MCIC), New
London Trust, F.S.B. (NLT),  Sun Capital Advisers, Inc.  (Sun Capital), and  Sun
Life Finance Corporation (Sunfinco).
 
Effective  January  1,  1994, NLT  acquired  all  of the  outstanding  shares of
Danielson Federal Savings and Loan Association of Danielson, Connecticut.  These
two  banks have been merged into a newly formed federally chartered savings bank
now called New London Trust, F.S.B.
 
MFS, a registered investment adviser, serves as investment adviser to the mutual
funds in the MFS family of funds and certain mutual funds and separate  accounts
established  by  the  Company,  and  the  MFS  Asset  Management  Group provides
investment advice to substantial private clients.
 
Clarendon Insurance Agency, Inc.,  a wholly-owned subsidiary  of MFS, serves  as
the distributor of certain variable contracts issued by the Company and Sun Life
(N.Y.).  Sun Life (N.Y.) is engaged in the sale of individual fixed and variable
annuity contracts and group life and disability insurance contracts in the state
of
 
                                       62
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
2.  INVESTMENTS IN SUBSIDIARIES (CONTINUED):
New York. Sunesco is a registered investment adviser and broker-dealer. MCIC  is
a  life  insurance  company  which  issues  only  individual  disability  income
policies. Sun Capital, a registered  investment adviser, Sunfinco, and  Sunbesco
are currently inactive.
 
In  1994, the  Company reduced  its carrying value  of MCIC  by $18,397,000, the
unamortized amount of  goodwill. The  reduction was  accounted for  as a  direct
charge to surplus.
 
During  1995, 1994  and 1993, the  Company contributed capital  in the following
amounts to its subsidiaries:
 
<TABLE>
<CAPTION>
                                              1995         1994         1993
                                           ----------   ----------   ----------
<S>                                        <C>          <C>          <C>
MCIC                                       $6,000,000   $6,000,000   $6,000,000
Sun Capital                                         0            0      250,000
New London Trust                                    0            0    9,000,000
</TABLE>
 
Summarized combined financial  information of the  Company's subsidiaries as  of
December 31, 1995, 1994 and 1993 and for the years then ended, follows:
 
<TABLE>
<CAPTION>
                                                    DECEMBER 31,
                                           -------------------------------
                                             1995       1994       1993
                                           ---------  ---------  ---------
                                                     (IN 000'S)
 <S>                                       <C>        <C>        <C>
 Intangible assets                         $  12,174  $  13,485  $  14,891
 Other assets, net of liabilities            126,108    121,321    112,332
                                           ---------  ---------  ---------
 Total net assets                          $ 138,282  $ 134,806  $ 127,223
                                           ---------  ---------  ---------
                                           ---------  ---------  ---------
 Total income                              $ 570,794  $ 495,097  $ 424,324
 Operating expenses                         (504,070)  (425,891)  (355,679)
 Income tax expense                          (31,193)   (29,374)   (24,507)
                                           ---------  ---------  ---------
 Net income                                $  35,531  $  39,832  $  44,138
                                           ---------  ---------  ---------
                                           ---------  ---------  ---------
</TABLE>
 
3.  STOCK, SURPLUS NOTES, CONTRIBUTIONS AND NOTE RECEIVABLE:
The  Company has issued surplus  notes to its parent  of $335,000,000 during the
years 1982 through  1993 at interest  rates between 7.25%  and 10%. The  Company
subsequently  repaid all  principal and  interest associated  with these surplus
notes on January 16, 1996. On December 19, 1995 the Company issued surplus notes
totalling $315,000,000 to an  affiliate, Sun Canada  Financial Co., at  interest
rates  between 5.75% and 7.25%. Of these  notes, $157,500,000 will mature in the
year 2007, and  $157,500,000 will  mature in the  year 2015.  Interest on  these
notes  is payable  semi-annually. Principal  and interest  on surplus  notes are
payable only to  the extent  that the  Company meets  specified requirements  as
regards  free surplus exclusive of the principal amount and accrued interest, if
any, on these notes; and, in the case of principal repayments, with the  consent
of the Delaware Insurance Commissioner. Interest payments require the consent of
the  Delaware  Insurance  Commissioner  after  December  31,  1993.  Payment  of
principal and interest on the notes issued in 1995 also requires the consent  of
the Canadian Office of the Superintendent of Financial Institutions. The Company
expensed  $31,813,000,  $31,150,000 and  $26,075,000 in  respect of  interest on
surplus notes for the years 1995,  1994 and 1993, respectively. On December  19,
1995,  the parent borrowed $120,000,000 at 5.6  % through a short term note from
the Company maturing on  January 16, 1996. The  note, which is classified  under
short-term  bonds at  December 31,  1995, was  repaid in  full by  the parent at
maturity.
 
                                       63
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
4.  BONDS:
The amortized cost and estimated market value of investments in debt  securities
are as follows:
 
<TABLE>
<CAPTION>
                                                         DECEMBER 31, 1995
                                          ------------------------------------------------
                                                        GROSS        GROSS      ESTIMATED
                                          AMORTIZED   UNREALIZED   UNREALIZED     MARKET
                                             COST       GAINS        LOSSES       VALUE
                                          ----------  ----------   ----------   ----------
<S>                                       <C>         <C>          <C>          <C>
                                                             (IN 000'S)
Long-term bonds:
    United States government and
     government agencies and authorities  $  467,597   $ 22,783     $   443     $  489,937
    States, provinces and political
     subdivisions                              2,252         81           0          2,333
    Foreign governments                       38,303      4,551           6         42,848
    Public utilities                         513,704     45,466         203        558,967
    Transportation                           215,786     22,794       2,221        236,359
    Finance                                  225,074     13,846          84        238,836
    All other corporate bonds              1,045,745     67,371       7,415      1,105,701
                                          ----------  ----------   ----------   ----------
        Total long-term bonds              2,508,461    176,892      10,372      2,674,981
Short-term bonds:
    U.S. Treasury Bills, bankers
     acceptances and commercial paper        337,606          0           0        337,606
                                          ----------  ----------   ----------   ----------
                                          $2,846,067   $176,892     $10,372     $3,012,587
                                          ----------  ----------   ----------   ----------
                                          ----------  ----------   ----------   ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                                         DECEMBER 31, 1994
                                          -----------------------------------------------
                                                        GROSS       GROSS      ESTIMATED
                                          AMORTIZED   UNREALIZED  UNREALIZED     MARKET
                                             COST       GAINS       LOSSES       VALUE
                                          ----------  ---------   ----------   ----------
<S>                                       <C>         <C>         <C>          <C>
                                                            (IN 000'S)
Long-term bonds:
    United States government and
     government agencies and authorities  $  444,100   $ 5,017     $11,010     $  438,107
    States, provinces and political
     subdivisions                                252         0          17            235
    Foreign governments                       20,965       147         187         20,925
    Public utilities                         458,839    11,414      11,619        458,633
    Transportation                           215,478     5,099       9,444        211,133
    Finance                                  193,355     3,734       4,010        193,080
    All other corporate bonds              1,055,455    15,785      31,171      1,040,069
                                          ----------  ---------   ----------   ----------
        Total long-term bonds              2,388,444    41,196      67,458      2,362,182
Short-term bonds:
    U.S. Treasury Bills, bankers
     acceptances and commercial paper         82,708         0           0         82,708
                                          ----------  ---------   ----------   ----------
                                          $2,471,152   $41,196     $67,458     $2,444,890
                                          ----------  ---------   ----------   ----------
                                          ----------  ---------   ----------   ----------
</TABLE>
 
                                       64
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
4.  BONDS (CONTINUED):
The  amortized cost and estimated market value of bonds at December 31, 1995 and
1994 are shown below  by contractual maturity.  Expected maturities will  differ
from  contractual maturities  because borrowers  may have  the right  to call or
prepay obligations with or without call or prepayment penalties.
 
<TABLE>
<CAPTION>
                                             DECEMBER 31, 1995
                                           ----------------------
                                                       ESTIMATED
                                           AMORTIZED      FAIR
                                              COST       VALUE
                                           ----------  ----------
 <S>                                       <C>         <C>
                                                 (IN 000'S)
 Maturities are:
     Due in one year or less               $  678,775  $  681,119
     Due after one year through five
      years                                   844,446     866,230
     Due after five years through ten
      years                                   256,552     269,549
     Due after ten years                      884,187   1,000,908
                                           ----------  ----------
                                            2,663,960   2,817,806
     Mortgage-backed securities               182,107     194,781
                                           ----------  ----------
                                           $2,846,067  $3,012,587
                                           ----------  ----------
                                           ----------  ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                             DECEMBER 31, 1994
                                           ----------------------
                                                       ESTIMATED
                                           AMORTIZED      FAIR
                                              COST       VALUE
                                           ----------  ----------
 <S>                                       <C>         <C>
                                                 (IN 000'S)
 Maturities are:
     Due in one year or less               $  209,875  $  209,527
     Due after one year through five
      years                                   953,222     930,578
     Due after five years through ten
      years                                   319,858     311,360
     Due after ten years                      877,062     885,462
                                           ----------  ----------
                                            2,360,017   2,336,927
     Mortgage-backed securities               111,135     107,963
                                           ----------  ----------
                                           $2,471,152  $2,444,890
                                           ----------  ----------
                                           ----------  ----------
</TABLE>
 
Proceeds from sales  of investments in  debt securities during  1995, 1994,  and
1993  were $1,510,553,000,  $1,390,974,000, and  $911,644,000, gross  gains were
$24,757,000, $15,025,000,  and $43,674,000  and  gross losses  were  $5,742,000,
$30,041,000 and $687,000, respectively.
 
Long-term  bonds at  December 31,  1995 and  1994 included  $20,000,000 of bonds
issued to the  Company by a  subsidiary company, MFS,  during 1987. These  bonds
will mature in 2000.
 
Bonds  included above  with an  amortized cost  of approximately  $2,059,000 and
$1,561,000 at December  31, 1995 and  1994, respectively, were  on deposit  with
governmental authorities as required by law.
 
At  year end 1995, the Company  had outstanding mortgage-backed securities (MBS)
forward commitments  amounting to  a  par value  of  $137,675,000 to  be  funded
through the sale of certain short-term securities shown above.
 
                                       65
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
5.  SECURITIES LENDING:
The  Company has  a securities  lending program  operated on  its behalf  by the
Company's primary  custodian,  Chemical Bank  of  New York.  The  custodian  has
indemnified  the Company against losses arising from this program. The total par
value of securities out on loan was $250,729,000 at December 31, 1995.
 
6.  MORTGAGE LOANS:
The Company invests  in commercial  first mortgage loans  throughout the  United
States.  The  Company  monitors  the  condition of  the  mortgage  loans  in its
portfolio. In those  cases where mortgages  have been restructured,  appropriate
provisions  have been made. In those cases where, in management's judgement, the
mortgage loans' values are impaired, appropriate losses are recorded.
 
The following table shows the geographic distribution of the mortgage portfolio.
 
<TABLE>
<CAPTION>
                                                DECEMBER 31,
                                           -----------------------
                                              1995        1994
                                           ----------  -----------
                                                 (IN 000'S)
 <S>                                       <C>         <C>
 California                                $  153,811   $  131,953
 Massachusetts                                 83,999      101,932
 Pennsylvania                                 141,468      136,778
 Ohio                                          83,915       79,478
 Washington                                    91,900       90,422
 Michigan                                      69,125       75,592
 New York                                      81,480       93,178
 All other                                    361,213      411,648
                                           ----------  -----------
                                           $1,066,911   $1,120,981
                                           ----------  -----------
                                           ----------  -----------
</TABLE>
 
The Company has restructured mortgage loans totalling $49,846,000, against which
there are provisions of $8,799,000 at December 31, 1995.
 
The Company  has made  commitments of  mortgage loans  on real  estate into  the
future. The outstanding commitments for these mortgages amount to $13,100,000 at
December 31, 1995.
 
                                       66
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
7.  INVESTMENTS--GAINS AND LOSSES:
 
<TABLE>
<CAPTION>
                                            YEARS ENDED DECEMBER 31,
                                           --------------------------
                                            1995     1994      1993
                                           -------  -------  --------
                                                   (IN 000'S)
 <S>                                       <C>      <C>      <C>
 Net realized gains (losses) (pre-tax):
 Bonds                                     $(2,300) $     0  $      0
 Mortgage loans                                418   (5,689)   (9,975)
 Stocks                                          0        0       445
 Real estate                                   391     (334)   (2,873)
 Other assets                                   57     (143)        0
                                           -------  -------  --------
                                           $(1,434) $(6,166) $(12,403)
                                           -------  -------  --------
                                           -------  -------  --------
 Changes in unrealized gains (losses):
 Bonds                                     $     0  $     0  $     84
 Mortgage loans                             (1,574)       0         0
 Real estate                                 3,583     (671)   (4,113)
 Stocks                                          0        0      (411)
                                           -------  -------  --------
                                           $ 2,009  $  (671) $ (4,440)
                                           -------  -------  --------
                                           -------  -------  --------
</TABLE>
 
Realized capital gains and losses on bonds and mortgages which relate to changes
in  levels  of  interest  rate  risk are  charged  or  credited  to  an interest
maintenance reserve and  amortized into  income over  the remaining  contractual
life  of the security  sold. The realized  capital gains and  losses credited or
charged to the  interest maintenance  reserve were  a credit  of $12,714,000  in
1995,  a charge of $14,070,000 in 1994 and  a credit of $40,993,000 in 1993. All
gains and losses are net of applicable taxes.
 
8.  INVESTMENT INCOME:
Net investment income consisted of:
 
<TABLE>
<CAPTION>
                                             YEARS ENDED DECEMBER 31,
                                           ----------------------------
                                             1995      1994      1993
                                           --------  --------  --------
                                                    (IN 000'S)
 <S>                                       <C>       <C>       <C>
 Interest income from bonds                $205,445  $200,339  $204,405
 Interest income from mortgage loans         99,753   106,347    99,790
 Interest income from policy loans            2,777     2,670     2,503
 Real estate investment income               10,693     8,649     8,593
 Interest income on funds withheld           57,373    30,741    19,420
 Other                                        2,627     1,418       645
                                           --------  --------  --------
     Gross investment income                378,668   350,164   335,356
 Investment expenses                         12,070    12,417    12,679
 Interest expense on funds withheld               0         0    69,181
                                           --------  --------  --------
                                           $366,598  $337,747  $253,496
                                           --------  --------  --------
                                           --------  --------  --------
</TABLE>
 
                                       67
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
9.  DERIVATIVES:
The Company uses derivative instruments  for interest risk management  purposes,
including  hedges  against  specific  interest rate  risk  and  to  minimize the
Company's exposure  to fluctuations  in  interest rates.  The Company's  use  of
derivatives  has  included  U.S. Treasury  futures,  conventional  interest rate
swaps, and forward spread lock interest rate swaps.
 
In the case of interest rate futures, gains or losses on contracts that  qualify
as  hedges are  deferred until  the earliest  of the  completion of  the hedging
transaction, determination that the  transaction will no  longer take place,  or
determination  that the  hedge is  no longer  effective. Upon  completion of the
hedge, gains or losses are deferred in IMR and amortized over the remaining life
of the hedged  assets. At  December 31, 1995,  there were  no futures  contracts
outstanding.
 
In  the case of interest  rate and foreign currency  swap agreements and forward
spread lock interest rate swap agreements,  gains or losses on terminated  swaps
are  deferred in IMR and amortized over the shorter of the remaining life of the
hedged asset or the remaining term of the swap contract. The net differential to
be paid or received on interest rate swaps is recorded monthly as interest rates
change.
 
<TABLE>
<CAPTION>
                                                         SWAPS OUTSTANDING
                                                        AT DECEMBER 31, 1995
                                                  --------------------------------
                                                      NOTIONAL        MARKET VALUE
                                                  PRINCIPAL AMOUNTS   OF POSITIONS
                                                  -----------------   ------------
                                                             (IN 000'S)
 <S>                                              <C>                 <C>
 Conventional interest rate swaps                      $367,000          $3,275
 Foreign currency swap                                    2,745             290
 Forward spread lock swaps                             $ 50,000          $  112
</TABLE>
 
The market values of interest rate swaps and forward spread lock agreements  are
primarily  obtained from dealer quotes. The market value is the estimated amount
that the  Company would  receive or  pay  on termination  or sale,  taking  into
account  current interest rates and the  current creditworthiness of the counter
parties. The  Company  is exposed  to  potential credit  loss  in the  event  of
non-performance  by  counterparties.  The  counterparties  are  major  financial
institutions and management believes that  the risk of incurring losses  related
to credit risk is remote.
 
10. LEVERAGED LEASES:
The  Company is a lessor in a  leveraged lease agreement entered into on October
21, 1994 under which equipment having an estimated economic life of 25-40  years
was leased for a term of 9.75 years. The Company's equity investment represented
22.9%  of the purchase price of the equipment. The balance of the purchase price
was furnished by third party long-term debt financing, secured by the  equipment
and non-recourse to the Company. At the end of the lease term, the Master Lessee
may exercise a fixed price purchase option to purchase the equipment.
 
                                       68
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
10. LEVERAGED LEASES (CONTINUED):
The  Company's net investment  in leveraged leases is  composed of the following
elements:
 
<TABLE>
<CAPTION>
                                                           YEARS ENDED DECEMBER
                                                                   31,
                                                           --------------------
                                                             1995       1994
                                                           ---------  ---------
                                                                (IN 000'S)
 <S>                                                       <C>        <C>
 Lease contracts receivable                                $ 111,611  $ 121,716
 Less non-recourse debt                                     (111,594)  (121,699)
                                                           ---------  ---------
                                                                  17         17
 Estimated residual value of leased assets                    41,150     41,150
 Less unearned and deferred income                           (13,132)   (15,292)
                                                           ---------  ---------
 Investment in leveraged leases                               28,035     25,875
 Less fees                                                      (213)      (237)
                                                           ---------  ---------
 Net investment in leveraged leases                        $  27,822  $  25,638
                                                           ---------  ---------
                                                           ---------  ---------
</TABLE>
 
The net investment is  classified as other invested  assets in the  accompanying
balance sheets.
 
11. WITHDRAWAL CHARACTERISTICS OF ANNUITY ACTUARIAL RESERVES AND DEPOSIT
LIABILITIES:
Withdrawal  characteristics  of  general account  and  separate  account annuity
reserves and deposits:
 
<TABLE>
<CAPTION>
                                                             DECEMBER 31, 1995
                                                           ----------------------
                                                             AMOUNT    % OF TOTAL
                                                           ----------  ----------
                                                                 (IN 000'S)
 <S>                                                       <C>         <C>
 Subject to discretionary withdrawal--with adjustment
     --with market value adjustment                        $3,796,596      36.36%
     --at book value less surrender charges (surrender
      charge >5%)                                           4,066,126      38.94
     --at book value (minimal or no charge or adjustment)   1,278,215      12.24
 Not subject to discretionary withdrawal provision          1,301,259      12.46
                                                           ----------  ----------
 Total annuity actuarial reserves and deposit liabilities  $10,442,196    100.00%
                                                           ----------  ----------
                                                           ----------  ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                                             DECEMBER 31, 1994
                                                           ----------------------
                                                             AMOUNT    % OF TOTAL
                                                           ----------  ----------
                                                                 (IN 000'S)
 <S>                                                       <C>         <C>
 Subject to discretionary withdrawal--with adjustment
     -- with market value adjustment                       $3,083,623      35.98%
     -- at book value less surrender charges (surrender
      charge > 5%)                                          2,915,460      34.02
     -- at book value (minimal or no charge or
      adjustment)                                           1,252,843      14.62
 Not subject to discretionary withdrawal provision          1,318,092      15.38
                                                           ----------  ----------
 Total annuity actuarial reserves and deposit liabilities  $8,570,018     100.00%
                                                           ----------  ----------
                                                           ----------  ----------
</TABLE>
 
12. RETIREMENT PLANS:
The Company participates with its  parent company in a non-contributory  defined
benefit  pension plan covering essentially all employees. The benefits are based
on years of service and compensation.
 
                                       69
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
12. RETIREMENT PLANS (CONTINUED):
The funding policy  for the pension  plan is  to contribute an  amount which  at
least satisfies the minimum amount required by ERISA. The Company is charged for
its  share of the pension cost based upon its covered participants. Pension plan
assets consist principally of  a variable accumulation fund  contract held in  a
separate account of the parent company.
 
On  January  1,  1994, the  Company  adopted Statement  of  Financial Accounting
Standards No.  87, which  is in  accordance with  generally accepted  accounting
principles.
 
The  following table sets forth the funded  status for the pension plan (for the
parent, Sun Life (U.S.), Sun Life (N.Y.)  and Sunesco) at December 31, 1995  and
1994:
 
<TABLE>
<CAPTION>
                                                           TOTAL PENSION PLAN
                                                           ------------------
                                                             1995      1994
                                                           --------  --------
                                                               (IN 000'S)
 <S>                                                       <C>       <C>
 Actuarial present value of benefit obligations:
 Vested benefit obligation                                 $(40,949) $(38,157)
 Accumulated benefit obligation                             (42,452)  (39,686)
                                                           --------  --------
                                                           --------  --------
 Projected benefit obligation for service rendered to
  date                                                     $(60,885) $(53,494)
 Plan assets at fair value                                  117,178   101,833
                                                           --------  --------
 Difference between plan assets and projected benefit
  obligation                                                 56,293    48,339
 Unrecognized net gain from past experience different
  from that assumed and effects of changes in assumptions    (9,016)   (1,238)
 Unrecognized net asset at January 1, 1994, being
  recognized over 17 years                                  (30,842)  (32,898)
                                                           --------  --------
 Prepaid pension cost included in other assets             $ 16,435  $ 14,203
                                                           --------  --------
                                                           --------  --------
</TABLE>
 
The components of the 1995 and 1994 pension cost for the pension plan were:
 
<TABLE>
<CAPTION>
                                                             TOTAL PENSION
                                                                 PLAN
                                                           -----------------
                                                             1995     1994
                                                           --------  -------
                                                              (IN 000'S)
 <S>                                                       <C>       <C>
 Service cost                                              $  3,389  $ 2,847
 Interest cost                                                4,050    3,770
 Actual return on plan assets                               (16,388)  (8,294)
 Net amortization and deferral                                6,715     (818)
                                                           --------  -------
 Net pension income                                        $ (2,234) $(2,495)
                                                           --------  -------
                                                           --------  -------
</TABLE>
 
The Company's share of the group's accrued pension cost at December 31, 1995 and
1994  was  $420,000  and  $417,000, respectively.  The  Company's  share  of net
periodic pension cost was $3,000 and $417,000, respectively.
 
The discount rate  and rate of  increase in future  compensation levels used  in
determining the actuarial present value of the projected benefit obligation were
7.5% and 4.5%, respectively. The expected long-term rate of return on assets was
7.5%.
 
                                       70
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
12. RETIREMENT PLANS (CONTINUED):
The Company also participates with its parent and certain affiliates in a 401(k)
savings  plan for  which substantially all  employees are  eligible. The Company
matches, up to specified amounts, employees' contributions to the plan. Employer
contributions were $185,000, $152,000 and $124,000 for the years ended  December
31, 1995, 1994, and 1993, respectively.
 
13. OTHER POST-RETIREMENT BENEFIT PLANS:
In addition to pension benefits the Company provides certain health, dental, and
life  insurance benefits ("post-retirement benefits")  for retired employees and
dependents. Substantially all employees may  become eligible for these  benefits
if  they reach normal  retirement age while  working for the  Company, or retire
early upon satisfying an  alternate age plus  service condition. Life  insurance
benefits are generally set at a fixed amount.
 
Effective January 1, 1993, the Company adopted Statement of Financial Accounting
Standards  (SFAS) No.  106, "Employers  Accounting for  Post-retirement Benefits
other than Pensions". SFAS No. 106 requires the Company to accrue the  estimated
cost  of  retiree  benefit  payments  during  the  years  the  employee provides
services. SFAS  No. 106  allows  recognition of  the  cumulative effect  of  the
liability  in the year of adoption or  the amortization of the obligation over a
period of up to 20 years. The  Company has elected to recognize this  obligation
of  approximately $400,000 over a period of  ten years. The Company's cash flows
are  not  affected  by  implementation  of  this  standard,  but  implementation
decreased  net income  by $142,000, $114,000,  and $120,000 for  the years ended
December 31, 1995,  1994 and 1993,  respectively. The Company's  post-retirement
health care plans currently are not funded.
 
The following table sets forth the plan's funded status, reconciled with amounts
recognized in the Company's balance sheet:
 
<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                               ----------------
                                                                1995     1994
                                                               -------  -------
                                                                  (IN 000'S)
 <S>                                                           <C>      <C>
 Accumulated post-retirement benefit obligation:
   --Retirees                                                    $   0    $   0
   --Fully eligible active plan participants                      (601)    (444)
   --Other active plan participants                                  0        0
                                                               -------  -------
   --Accumulated post-retirement benefit obligation in excess
    of plan assets                                                (601)    (444)
   --Unrecognized gains from past experience                       (55)    (110)
   --Unrecognized transition obligation                            280      320
                                                               -------  -------
   --Accrued post-retirement benefit cost                        $(376)   $(234)
                                                               -------  -------
                                                               -------  -------
 Net periodic post-retirement benefit cost components:
   --Service cost--benefits earned                               $  65    $  49
   --Interest cost on accumulated post-retirement benefit
    obligation                                                      42       33
   --Amortization of transition obligation                          40       40
   --Net amortization and deferral                                  (5)      (8)
                                                               -------  -------
   --Net periodic post-retirement benefit cost                   $ 142    $ 114
                                                               -------  -------
                                                               -------  -------
</TABLE>
 
The  discount rate used  in determining the  accumulated post-retirement benefit
obligation was 7.5% in  1995 and 8%  in 1994, and the  assumed health care  cost
trend rate was 12.0% graded to 6% over 10 years after which it remains constant.
 
                                       71
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
13. OTHER POST-RETIREMENT BENEFIT PLANS (CONTINUED):
The  health care  cost trend  rate assumption  has a  significant effect  on the
amounts reported. To illustrate, increasing  the assumed health care cost  trend
rates  by one percentage  point in each year  would increase the post-retirement
benefit obligation as of December 31, 1995 by $149,000 and the estimated service
and interest cost components  of the net  periodic post-retirement benefit  cost
for 1995 by $29,000.
 
14. FAIR VALUE OF FINANCIAL INSTRUMENTS:
The  following table presents the carrying  amounts and estimated fair values of
the Company's financial instruments at December 31, 1995 and 1994:
<TABLE>
<CAPTION>
                                                 DECEMBER 31, 1995
                                           ------------------------------
                                                              ESTIMATED
                                           CARRYING AMOUNT    FAIR VALUE
                                           ---------------   ------------
                                                     (IN 000'S)
 <S>                                       <C>               <C>
 ASSETS
 Bonds                                         2,846,067       3,012,586
 Mortgages                                     1,066,911       1,111,895
 Real estate                                      95,575          98,437
 LIABILITIES
 Insurance reserves                              124,066         124,066
 Individual annuities                            434,261         431,263
 Pension products                              2,227,882       2,265,386
 Derivatives                                          --           3,387
 
<CAPTION>
 
                                                 DECEMBER 31, 1994
                                           ------------------------------
                                                              ESTIMATED
                                           CARRYING AMOUNT    FAIR VALUE
                                           ---------------   ------------
                                                     (IN 000'S)
 <S>                                       <C>               <C>
 ASSETS
 Bonds                                        $2,471,152      $2,444,890
 Mortgages                                     1,120,981       1,107,012
 Real estate                                      89,487          91,072
 LIABILITIES
 Insurance reserves                              129,302         129,302
 Individual annuities                            475,557         476,570
 Pension products                              2,772,618       2,668,382
 Derivatives                                          --               1
</TABLE>
 
The major  methods  and  assumptions  used in  estimating  the  fair  values  of
financial instruments are as follows:
 
The  fair values of short-term bonds are estimated to be the amortized cost. The
fair values of long-term bonds which  are publicly traded are based upon  market
prices  or dealer quotes. For privately  placed bonds, fair values are estimated
using prices for publicly traded bonds  of similar credit risk and maturity  and
repayment characteristics.
 
The  fair values of the Company's general account reserves and liabilities under
investment-type contracts (insurance, annuity and pension contracts that do  not
involve  mortality or morbidity risks) are  estimated using discounted cash flow
analyses or surrender values. Those contracts that are deemed to have short term
guarantees have a carrying amount equal to the estimated market value.
 
                                       72
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
14. FAIR VALUE OF FINANCIAL INSTRUMENTS (CONTINUED):
The fair values  of mortgages  are estimated  by discounting  future cash  flows
using  current rates  at which  similar loans  would be  made to  borrowers with
similar credit ratings and for the same remaining maturities.
 
15. STATUTORY INVESTMENT VALUATION RESERVES:
The asset valuation reserve (AVR) provides a reserve for losses from investments
in bonds, stocks,  mortgage loans,  real-estate and other  invested assets  with
related increases or decreases being recorded directly to surplus.
 
Realized capital gains and losses on bonds and mortgages which relate to changes
in  levels  of  interest  rate  risk are  charged  or  credited  to  an interest
maintenance  reserve  (IMR)  and  amortized  into  income  over  the   remaining
contractual life of the security sold.
 
The tables shown below present changes in the major elements of the AVR and IMR.
 
<TABLE>
<CAPTION>
                                                 1995             1994
                                           ----------------  ---------------
                                             AVR      IMR      AVR     IMR
                                           -------  -------  -------  ------
                                              (IN 000'S)       (IN 000'S)
 <S>                                       <C>      <C>      <C>      <C>
 Balance, beginning of year                $28,409  $18,140  $20,033  $31,414
 Realized capital gains (losses), net of
  tax                                       (1,524)   7,977   (1,320) (9,958)
 Amortization of investment gains                0     (897)       0  (3,316)
 Unrealized investment gains (losses)        3,650        0   (3,537)      0
 Required by formula                        11,564        0   13,233       0
                                           -------  -------  -------  ------
 Balance, end of year                      $42,099  $25,218  $28,409  $18,140
                                           -------  -------  -------  ------
                                           -------  -------  -------  ------
</TABLE>
 
16. FEDERAL INCOME TAXES:
The  Company and its subsidiaries file a consolidated federal income tax return.
Federal income  taxes  are calculated  for  the consolidated  group  based  upon
amounts  determined to be payable  as a result of  operations within the current
year. No provision is recognized for timing differences which may exist  between
financial   statement  and  taxable  income.  Such  timing  differences  include
reserves, depreciation and accrual  of market discount  on bonds. Cash  payments
for  federal  income  taxes  were  approximately  $12,429,000,  $43,200,000  and
$25,000,000 for the years ended December 31, 1995, 1994 and 1993, respectively.
 
17. RISK-BASED CAPITAL:
Effective December 31, 1993 the NAIC adopted risk-based capital requirements for
life insurance companies. The risk-based  capital requirements provide a  method
for  measuring the  minimum acceptable  amount of  adjusted capital  that a life
insurer should have, as determined under statutory accounting practices,  taking
into  account  the risk  characteristics of  its  investments and  products. The
Company has met the minimum risk-based capital requirements for 1995 and 1994.
 
18. NEW ACCOUNTING PRONOUNCEMENT:
In April,  1993, the  Financial Accounting  Standards Board  (FASB) issued  FASB
Interpretation   No.  40,   "Applicability  of   Generally  Accepted  Accounting
Principles  to  Mutual  Life  Insurance  and  Other  Enterprises."  Under   this
interpretation, annual financial statements of mutual life insurance enterprises
for  fiscal  years beginning  after  December 15,  1992,  shall provide  a brief
description that  financial  statements  prepared  on  the  basis  of  statutory
accounting  practices will no longer be described as prepared in conformity with
generally  accepted  accounting  principles.  In  January  1995,  Statement   of
Financial Accounting Standards
 
                                       73
<PAGE>
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
(Wholly-owned subsidiary of Sun Life Assurance Company of Canada)
 
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
 
18. NEW ACCOUNTING PRONOUNCEMENT (CONTINUED):
No.  120  (SFAS No.  120)  "Accounting and  Reporting  by Mutual  Life Insurance
Enterprises for Certain Long Duration Participating Contracts" was issued.  SFAS
No.  120 delays the effective  date of interpretation No.  40 until fiscal years
beginning after December 15, 1995.
 
Beginning in  1996,  the Company  will  file financial  statements  prepared  in
accordance  with all  applicable pronouncements  that define  generally accepted
accounting principles for all enterprises.
 
INDEPENDENT AUDITORS' REPORT
 
TO THE BOARD OF DIRECTORS AND STOCKHOLDER
SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
WELLESLEY HILLS, MASSACHUSETTS
 
We have audited the accompanying balance sheets of Sun Life Assurance Company of
Canada (U.S.)  (a  wholly-owned subsidiary  of  Sun Life  Assurance  Company  of
Canada)  as  of  December 31,  1995  and  1994, and  the  related  statements of
operations, capital stock  and surplus,  and cash flows  for each  of the  three
years  in the period ended December 31, 1995. These financial statements are the
responsibility of the Company's management. Our responsibility is to express  an
opinion on these financial statements based on our audits.
 
We   conducted  our  audits  in  accordance  with  generally  accepted  auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
In  our  opinion,  such financial  statements  present fairly,  in  all material
respects, the financial  position of  the Company as  of December  31, 1995  and
1994, and the results of its operations and its cash flows for each of the three
years  in  the period  ended  December 31,  1995,  in conformity  with generally
accepted accounting principles.
 
DELOITTE & TOUCHE LLP
Boston, Massachusetts
February 7, 1996
 
                                       74
<PAGE>
                                   APPENDIX A
 
ILLUSTRATIVE EXAMPLE OF VARIABLE ACCUMULATION UNIT VALUE CALCULATIONS:
 
    Suppose  the net  asset value  of a  Fund share  at the  end of  the current
valuation period is $18.38;  at the end of  the immediately preceding  valuation
period   was  $18.32;  the  valuation  period   is  one  day;  no  dividends  or
distributions  caused  Fund  shares  to  go  "ex-dividend"  during  the  current
valuation  period. $18.38 divided  by $18.32 is  1.00327511. Subtracting the one
day risk  factor  for  mortality  and expense  risks  of  .00003539  (the  daily
equivalent of the current maximum charge of 1.3% on an annual basis) gives a net
investment  factor of 1.00323972. If the value of the variable accumulation unit
for the immediately preceding  valuation period had  been 14.5645672, the  value
for the current valuation period would be 14.6117523 (14.5645672 x 1.00323972).
 
ILLUSTRATIVE EXAMPLE OF VARIABLE ANNUITY UNIT VALUE CALCULATIONS:
 
    Suppose  the circumstances of the  first example exist, and  the value of an
annuity unit for the immediately preceding valuation period had been 12.3456789.
If the first variable annuity payment is determined by using an annuity  payment
based  on an assumed interest rate of 4% per year, the value of the annuity unit
for the current valuation  period would be  12.3843446 (12.3456789 x  1.00323972
(the  Net Investment Factor) x 0.99989255). 0.99989255  is the factor, for a one
day valuation period, that neutralizes the assumed interest rate of four percent
(4%) per year used to establish the Annuity Payment Rates found in the Contract.
 
ILLUSTRATIVE EXAMPLE OF VARIABLE ANNUITY PAYMENT CALCULATIONS:
 
    Suppose that a  Participant's Account is  credited with 8,765.4321  variable
accumulation  units of  a particular  Sub-Account but  is not  credited with any
fixed accumulation  units; that  the variable  accumulation unit  value and  the
annuity unit value for the particular Sub-Account for the valuation period which
ends  immediately  preceding the  annuity commencement  date are  14.5645672 and
12.3456789, respectively; that the annuity payment  rate for the age and  option
elected is $6.78 per $1,000; and that the annuity unit value on the day prior to
the  second  variable annuity  payment date  is  12.3843446. The  first variable
annuity payment would  be $865.57  (8,765.4321 x  14.5645672 x  6.78 divided  by
1,000).  The number of annuity units  credited would be 70.1112 ($865.57 divided
by 12.3456789) and the second variable annuity payment would be $868.28 (70.1112
x 12.3843446).
 
                                       75
<PAGE>
                                   APPENDIX B
                              STATE PREMIUM TAXES
 
   
    The amount of  applicable tax varies  depending on the  jurisdiction and  is
subject  to change by the legislature  or other authority. In many jurisdictions
there is no tax at all. The Company  believes that as of April 30, 1996  premium
taxes  will  be imposed  on Contracts  offered  by this  Prospectus only  by the
jurisdictions listed below at the rates indicated. For information subsequent to
April 30, 1996 a tax adviser should be consulted.
    
 
<TABLE>
<CAPTION>
                                                             RATE OF TAX
                                                    -----------------------------
                                                    QUALIFIED      NON-QUALIFIED
STATE                                               CONTRACTS        CONTRACTS
- --------------------------------------------------  ----------     --------------
<S>                                                 <C>            <C>
California                                               %    .50        2.35%
District of Columbia                                    2.25%            2.25%
Kansas                                                  --               2.00%
Kentucky                                                2.00%            2.00%
Maine                                                   --               2.00%
Mississippi                                             --               1.00%*
Nevada                                                  --               3.50%
Pennsylvania                                            --               2.00%
South Dakota                                            --               1.25%
West Virginia                                           1.00%            1.00%
Wyoming                                                 --               1.00%
<FN>
 
* No tax on purchase payments received on or after July 1, 1995.
</TABLE>
 
                                       76
<PAGE>
                                   APPENDIX C
  WITHDRAWALS, SURRENDERS, WITHDRAWAL CHARGES AND THE MARKET VALUE ADJUSTMENT
 
A.  FIXED ACCOUNT--3, 5 AND 7 YEAR GUARANTEE PERIODS:
 
For the purposes of this illustration, the following assumptions have been made:
 
    1.  100% of Purchase Payments have  been allocated to the Fixed Account  and
       the Owner has elected Initial Guarantee Periods of five (5) years.
 
    2.   The date of full surrender or partial withdrawal is the last day of the
       12th month following the Date of Coverage.
 
    3.  The Guarantee Rate being credited on Payments allocated to the five  (5)
       year Guarantee Period on the date of full surrender or partial withdrawal
       is 4.40%.
 
    4.  The Account Fee is $25.
 
PLEASE REFER TO THE TABLE BELOW.
 
                                    TABLE 1*
 
<TABLE>
<CAPTION>
 1     2       3         4        5       6              7              8            9          10
- ---  ------  -----   ---------  -----   ------                        ------
<S>  <C>     <C>     <C>        <C>     <C>     <C>                   <C>      <C>              <C>
 1   $  100     4.25% $   104.25  --    $  0.00 $      104.25($79.25)    -0.45% -($  0.47)(-$0.36) $ 103.78($78.89)
 2      100     4.25     103.90    6.00%    4.80         99.10           -0.46    -(0.46)          98.64
 3      100     4.50     103.75    6.00    6.00         97.75             0.31      0.31           98.06
 4      100     4.50     103.38    6.00    6.00         97.38             0.32      0.31           97.69
 5      100     4.70     103.13    6.00    6.00         97.13             0.98      0.95           98.08
 6      100     4.70     102.74    6.00    6.00         96.74             0.99      0.96           97.70
 7      100     4.70     102.35    6.00    6.00         96.35             1.01      0.98           97.33
 8      100     4.50     101.88    6.00    6.00         95.88             0.34      0.33           96.20
 9      100     4.50     101.50    6.00    6.00         95.50             0.35      0.33           95.83
10      100     4.50     101.13    6.00    6.00         95.13             0.36      0.34           95.46
11      100     4.50     100.75    6.00    6.00         94.75             0.36      0.34           95.09
12      100     4.40     100.37    6.00    6.00         94.37             0.00      0.00           94.37
     ------          ---------          ------  ----------                     --------------   -------------
     $1,200          $ 1,229.11         $ 64.80 $    1,164.31                  $    3.92        $1,168.23
     ------          ---------          ------  ----------                     --------------   -------------
     ------          ---------          ------  ----------                     --------------   -------------
                                                   ($1,139.31)                    ($4.03)       ($1,143.34)
<FN>
*See next page for Explanation of Columns
</TABLE>
 
                                       77
<PAGE>
EXPLANATION OF COLUMNS IN TABLE 1.
 
COLUMNS 1 AND 2:
 
Represent  Payments and Payment amounts, respectively.  Each Payment of $100 was
made on the first (1st) day of each month for one year (12 payments).
 
COLUMN 3:
 
Represents the Initial Guarantee Rate being credited to each Payment.
 
COLUMN 4:
 
Represents the value of each  Payment on the date  of full surrender or  partial
withdrawal  before  the imposition  of any  Withdrawal  Charge and  Market Value
Adjustment.
 
COLUMN 5:
 
Represents the Withdrawal Charge percentage that  is applied to each Payment  on
the date of full surrender or partial withdrawal.
 
The  percentage is 6% for Payments 2-12  because these Payments have been in the
Account for less than  one year. No  Withdrawal Charge is  imposed on Payment  1
because  up to ten percent (10%) of Payments credited to a Participant's Account
may be withdrawn each  Account Year without imposition  of this charge. In  this
example,  10% represents (10% x $1,200) = $120. The 10% amount is applied to the
oldest previously unliquidated Payment, then the next oldest and so forth.  This
results  in no  Withdrawal Charge  being imposed on  Payment 1  and a Withdrawal
Charge imposed on $80 of Payment 2.
 
COLUMN 6:
 
Represents the  amount of  Withdrawal  Charge imposed  on  each Payment.  It  is
calculated  by  multiplying the  Payment in  Column 2  by the  Withdrawal Charge
percentage in Column 5.
 
For example, the Withdrawal Charge imposed on Payment 8 = $100 X 6% = $6.00.
 
The Withdrawal Charge imposed on Payment 2 = ($100 - $20) X 6% = $4.80. The  $20
represents  the portion of the Payment on  which no Withdrawal Charge is imposed
as described under the explanation of Column 5 above.
 
COLUMN 7:
 
Represents the value of each Payment in  Column 4 on the date of full  surrender
or partial withdrawal after the imposition of the Withdrawal Charge in Column 6.
 
In  the case of  a full surrender, the  Account Fee is  deducted from the oldest
unliquidated payment. This deduction is reflected in the Table by the amount  in
parentheses beside Column 7, $79.25.
 
COLUMN 8:
 
Represents  the Market Value Adjustment (MVA) percentage applied to the value of
each Payment  on  the  date  of  full  surrender  or  partial  withdrawal  after
imposition of the Withdrawal Charge.
 
FOR EXAMPLE:
 
The MVA% applied to Payment 3 = .75 (A - B) X C/12
 
<TABLE>
<S>        <C>        <C>        <C>
Where          A          =      The Guarantee Rate of the Payment being surrendered (Column 3)
                          =      4.50%,
               B          =      The Guarantee Rate being credited to Payments allocated to the five (5)
                                 year
                                 Guarantee Period on the date of full surrender or partial withdrawal
                          =      4.40% and
               C          =      The number of months remaining in the Guarantee Period of the Payment
                                 being
                                 surrendered
                          =      60 (5 years) - 10
                          =      50
MVA%                      =      .75 (A - B) X C/12
                          =      .75 (4.50 - 4.40) X 50/12
                          =      .75 (.10) X 50/12
                          =      .31%
</TABLE>
 
                                       78
<PAGE>
COLUMN 9:
 
Represents  the dollar amount of the MVA.  For each Payment, it is determined by
multiplying the value in Column 7 by the MVA percentage in Column 8.
 
For example, the MVA for Payment 3
 
<TABLE>
<C>        <S>        <C>        <C>
    =      Column 7       X      Column 9
    =      $97.75         X      .31%
    =      $0.31
</TABLE>
 
COLUMN 10:
 
Represents the  values of  Payments on  the date  of full  surrender or  partial
withdrawal  after deducting the Withdrawal Charge and either deducting or adding
the MVA. For any Payment,  the amount in Column 10  is determined by adding  the
amounts in Columns 7 and 9.
 
In  each of  Columns 9  and 10,  the amounts  in parentheses,  -$.36 and $78.89,
respectively, reflect the deduction of  the Account Fee, in  the case of a  full
surrender.
 
FULL SURRENDER:
 
The  total of Column  10, in parentheses  ($1,143.34), reflects the  amount of a
full surrender after imposition  of Withdrawal Charges,  Account Fee and  Market
Value Adjustments.
 
PARTIAL WITHDRAWAL:
 
The  sum of amounts in Column 10 for as many payments as are liquidated reflects
the amount of a partial withdrawal.
 
For example, if $1,000 of Payments were withdrawn, the amount of the  withdrawal
would  be the sum of the amounts in Column 10 for Payments 1 through 10 which is
$978.77.
 
B.  VARIABLE ACCOUNT AND FIXED ACCOUNT--1 YEAR GUARANTEE PERIOD (NO MARKET VALUE
    ADJUSTMENT APPLICABLE):
 
For the purposes of this illustration, the following assumptions have been made:
 
    1.  Purchase Payments  have been allocated to  either the Variable  Account,
       the  Fixed Account-- one (1) Year Guarantee Period or to a combination of
       both.
 
    2.  The date  of full surrender  or partial withdrawal  is during the  ninth
       (9th) Account Year.
 
PLEASE REFER TO THE TABLE BELOW.
 
<TABLE>
<CAPTION>
                                        TABLE 2*
               1          2          3          4           5           6
           ---------  ---------  ---------  ---------  -----------  ---------
<S>        <C>        <C>        <C>        <C>        <C>          <C>
               1      $   1,000  $   1,000  $       0          0%   $    0
               2          1,200      1,200          0           0           0
               3          1,400      1,280        120           1         1.20
               4          1,600          0      1,600           2        32.00
               5          1,800          0      1,800           3        54.00
               6          2,000          0      2,000           4        80.00
               7          2,000          0      2,000           5       100.00
               8          2,000          0      2,000           6       120.00
               9          2,000          0      2,000           6       120.00
                      ---------  ---------  ---------               ---------
                      $  15,000  $   3,480  $  11,520               $   507.20
                      ---------  ---------  ---------               ---------
                      ---------  ---------  ---------               ---------
</TABLE>
 
* See next page for Explanation of Columns
 
                                       79
<PAGE>
EXPLANATION OF COLUMNS IN TABLE 2
 
COLUMNS 1 AND 2:
 
Represent  Payments  and  amounts of  Payments.  Each  Payment was  made  at the
beginning of each Account Year.
 
COLUMN 3:
 
Represents  the  amounts  that  may  be  withdrawn  without  the  imposition  of
withdrawal charges, as follows:
 
a)  Payments 1 and 2, $1,000 and $1,200, respectively, have been credited to the
    Participant's Account for more than seven (7) years.
 
b)   $1,280 of Payment  3 represents 10% of Payments  that have been credited to
    the Participant's Account for less than  seven (7) years. The 10% amount  is
    applied  to the  oldest unliquidated  Payment, then  the next  oldest and so
    forth.
 
COLUMN 4:
 
Represents the amount of each Payment that is subject to a withdrawal charge. It
is determined by subtracting the amount in  Column 3 from the Payment in  Column
2.
 
COLUMN 5:
 
Represents the withdrawal charge percentages imposed on the amounts in Column 4.
 
COLUMN 6:
 
Represents  the withdrawal charge  imposed on each Payment.  It is determined by
multiplying the amount in Column 4 by the percentage in Column 5.
 
For example, the withdrawal charge imposed on Payment 8
 
<TABLE>
<C>        <S>
    =      Payment 8 Column 4 X Payment 8 Column 5
 
    =      $2,000 X 6%
 
    =      $120
</TABLE>
 
FULL SURRENDER:
 
The total  of Column  6,  $507.20, represents  the  total amount  of  withdrawal
charges imposed on Payments in this illustration.
 
PARTIAL WITHDRAWAL:
 
The  sum of amounts in Column 6 for  as many Payments as are liquidated reflects
the withdrawal charges imposed in the case of a partial withdrawal.
 
For example, if $7,000 of Payments (Payments  1, 2, 3, 4 and 5) were  withdrawn,
the  amount of  the withdrawal charges  imposed would  be the sum  of amounts in
Column 6 for Payments 1, 2, 3, 4 and 5 which is $87.20.
 
                                       80
<PAGE>
                 (This page has been left blank intentionally.)
 
                                       81
<PAGE>
                 (This page has been left blank intentionally.)
 
                                       82
<PAGE>
                           SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)
                           ANNUITY SERVICE MAILING ADDRESS:
                           C/O SUN LIFE ANNUITY SERVICE CENTER
                           P.O. BOX 1024
                           BOSTON, MASSACHUSETTS 02103
                           GENERAL DISTRIBUTOR
                           Clarendon Insurance Agency, Inc.
                           500 Boylston Street
                           Boston, Massachusetts 02116
                           LEGAL COUNSEL
                           Covington & Burling
                           1201 Pennsylvania Avenue, N.W.
                           P.O. Box 7566
                           Washington, D.C. 20044
                           AUDITORS
                           Deloitte & Touche LLP
                           125 Summer Street
                           Boston, Massachusetts 02110
 
   
                           COG-1 5/96
    
<PAGE>

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS.

Item 14.  Other Expenses of Issuance and Distribution

     Not applicable.

Item 15.  Indemnification of Directors and Officers

     Article 8 of the By-Laws of Sun Life Assurance Company of Canada (U.S.)
provides for indemnification of directors and officers as follows:

     "Section 8.01 (a).  Every person who is or was a director, officer or
employee of this corporation or of any other corporation which he served at the
request of this corporation and in which this corporation owns or owned shares
of capital stock or of which it is or was a creditor shall have a right to be
indemnified by this corporation against all liability and reasonable expenses
incurred by him in connection with or resulting from any claim, action, suit or
proceeding in which he may become involved as a party or otherwise by reason of
his being or having been a director, officer or employee of this corporation or
such other corporation, provided (1) said claim, action, suit or proceeding
shall be prosecuted to a final determination and he shall be vindicated on the
merits, or (2) in the absence of such a final determination vindicating him on
the merits, the board of directors shall determine that he acted in good faith
and in a manner he  reasonably believed to be in or not opposed to the best
interests of the corporation, and, with respect to any criminal action or
proceeding, had no reasonable cause to believe his conduct was unlawful; said
determination to be made by the board of directors acting through a quorum of
disinterested directors, or in its absence on the opinion of counsel.

     (b)  For purposes of the preceding subsection: (1) "liability and
reasonable expenses" shall include but not be limited to reasonable counsel fees
and disbursements, amounts of any judgment, fine or penalty, and reasonable
amounts paid in settlement; (2) "claim, action, suit or proceeding" shall
include every such  claim, action, suit or proceeding, whether civil or
criminal, derivative or otherwise, administrative, judicial or legislative, any
appeal relating thereto, and shall include any reasonable apprehension or threat
of such a claim, action, suit or proceeding; (3) a settlement, plea of nolo
contendere, consent judgment, adverse civil judgment, or conviction shall not of
itself create a presumption that the conduct of the person seeking
indemnification did not meet the standard of conduct set forth in subsection
(a)(2) hereof.


                                      II-1

<PAGE>

     (c)  Notwithstanding the foregoing, the following limitations shall apply
with respect to any action by or in the right of the Corporation: (1) no
indemnification shall be made in respect of any claim, issue or matter as to
which the person seeking indemnification shall have been adjudged to be liable
for negligence or misconduct in the performance of his duty to the corporation
unless and only to the extent that the Court of Chancery of the State of
Delaware or the court in which such action or suit was brought shall determine
upon application that, despite the adjudication of liability but in view of all
the circumstances of the case, such person is fairly and reasonably entitled to
indemnity for such expenses which the Court of Chancery or such other court
shall deem proper; and (2) indemnification shall extend only to reasonable
expenses, including reasonable counsel's fees and disbursements.

     (d)  The right of indemnification shall extend to any person otherwise
entitled to it under this by-law whether or not that person continues to be a
director, officer or employee of this corporation or such other corporation at
the time such liability or expense shall be incurred.  The right of
indemnification shall extend to the legal representative and heirs of any person
otherwise entitled to indemnification.  If a person meets the requirements of
this by-law with respect to some matters in a claim, action, suit or proceeding,
but not with respect to others, he shall be entitled to indemnification as the
former.  Advances against liability and expenses may be made by the corporation
on terms fixed by the board of directors subject to an obligation to repay if
indemnification proves unwarranted.

     (e)  This by-law shall not exclude any other rights of indemnification or
other rights to which any director, officer or employee may be entitled to by
contract, vote of the stockholders or as a matter of law.  If any clause,
provision or application of this section shall be determined to be invalid, the
other clauses, provisions or applications of this section shall not be affected
but shall remain in full force and effect.  The provisions of this by-law shall
be applicable to claims, actions, suits or proceedings made or commenced after
the adoption hereof, whether arising from acts or omissions to act occurring
before or after the adoption hereof.

     (f)  Nothing contained in this by-law shall be construed to protect any
director or officer of the corporation against any liability to  the corporation
or its security holders to which he would otherwise be subject by  reason of
wilful misfeasance, bad faith, gross negligence or reckless disregard of the
duties involved in the conduct of his office."


                                      II-2

<PAGE>

Item 16.  Exhibits

Exhibits:

Exhibit
Number                 Description                            Method of Filing
- -------                -----------                            ----------------

 1           Underwriting Agreement                           *
 3(a)        Certificate of Incorporation                     *
 3(b)        By-laws                                          *
 4(a)        Combination Fixed/Variable Group
               Annuity Contract                               **
 4(b)        Certificate to be used in connection
               with Contract filed as Exhibit 4(a)            **
 5           Opinion re: Legality                             ***
23           Consents of Experts and Counsel
             (a) Independent Auditors' Consent                Filed Herewith
             (b) Consent of Counsel                           Filed Herewith
24           Powers of Attorney                               ****

*    Incorporated by reference from the Registration Statement of the Registrant
     on Form S-1, File No. 33-29851.
**   Incorporated by reference from Amendment No. 2 to the Registration
     Statement of the Registrant on Form S-1, File No. 2-99959.
***  Incorporated by reference from the Registration Statement of the Registrant
     on Form S-2, File No. 33-31711.
**** Incorporated by reference from Post-Effective Amendment No. 5 to the
     Registration Statement of Registrant on Form S-2, File No. 33-31711.

Item 17.  Undertakings

     (a)  The undersigned Registrant hereby undertakes:

          (1)  To file, during any period in which offers or sales are being
     made, a post-effective amendment to this registration statement:

               (i)  To include any prospectus required by Section 10(a)(3) of
          the Securities Act of 1933;

               (ii) To reflect in the prospectus any facts or events arising
          after the effective date of the registration statement (or the most
          recent post-effective amendment thereof) which, individually or in the
          aggregate, represent a fundamental change in the information set forth
          in the registration statement;


                                      II-3

<PAGE>

               (iii) To include any material information with respect to the
          plan of distribution not previously disclosed in the  registration
          statement or any material change to such information in the
          registration statement;

               Provided, however, that paragraphs (a)(1)(i) and a(1)(ii) do not
          apply if the registration statement is on Form S-3 or Form S-8, and
          the information required to be included in  a post-effective amendment
          by those paragraphs is contained in periodic reports filed by the
          registrant pursuant to Section 13 or Section 15(d) of the Securities
          Exchange Act of 1934 that are incorporated by  reference in the
          registration statement.

          (2)  That,  for the purpose of determining any liability under the
     Securities Act of 1933, each such post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.

          (3)  To remove from registration by means of a post-effective
     amendment any of the securities being registered which remain unsold at the
     termination of the offering.

     The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Securities Exchange Act of 1934 (and where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.  In the event that a claim for indemnification against
such liabilities (other than the payment by the registrant of expenses incurred
or paid by a director, officer or controlling person of the registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.


                                      II-4

<PAGE>

                                   SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant,
Sun Life Assurance Company of Canada (U.S.), certifies that it has reasonable
grounds to believe that it meets all of the requirements for filing on Form S-2
and has duly caused this Post-effective Amendment No. 7 to its Registration
Statement on Form S-2 to be signed on its behalf by the undersigned, thereunto
duly authorized, in the Town of Wellesley, Commonwealth of Massachusetts, on the
30th day of April, 1996.
    
                                           Sun Life Assurance Company of
                                           Canada (U.S.)

                                                (Registrant)


                                           By:*   /s/ JOHN D. McNEIL
                                                ---------------------------
                                                      John D. McNeil
                                                      Chairman

Attest:   /s/ BONNIE S. ANGUS
         --------------------------
              Bonnie S. Angus
              Secretary
   
     Pursuant to the requirements of the Securities Act of 1933, this
Post-effective Amendment No. 7 to the Registration Statement has been signed by
the following persons in the capacities and on the dates indicated.
    
      Signature                              Title                  Date
      ---------                              -----                  ----
   
                                         Chairman and
                                           Director
                                          (Principal
*    /s/ JOHN D. McNEIL                Executive Officer)       April 30, 1996
- ------------------------------
         John D. McNeil

                                  Vice President and Actuary
                                     (Principal Financial
    /s/  ROBERT P. VROLYK             Accounting Officer)       April 30, 1996
- ------------------------------
         Robert P. Vrolyk


*   /s/ RICHARD B. BAILEY                  Director             April 30, 1996
- ------------------------------
        Richard B. Bailey
    

- ------------------------------
*    By Bonnie S. Angus pursuant to Power of Attorney filed with Post-Effective
     Amendment No. 5 to the Registration Statement of Registrant on Form S-2,
     File No. 33-31711.


                                      II-5

<PAGE>

   
      Signature                              Title                  Date
      ---------                              -----                  ----

*   /s/ A. KEITH BRODKIN                   Director             April 30, 1996
- ------------------------------
        A. Keith Brodkin


*   /s/ M. COLYER CRUM                     Director             April 30, 1996
- ------------------------------
        M. Colyer Crum


*   /s/ JOHN R. GARDNER                 President and           April 30, 1996
- ------------------------------
        John R. Gardner                    Director


                                     Senior Vice President
*   /s/ DAVID D. HORN                and General Manager        April 30, 1996
- ------------------------------           and Director
        David D. Horn


*   /s/ JOHN S. LANE                       Director             April 30, 1996
- ------------------------------
        John S. Lane


*   /s/ ANGUS A. MacNAUGHTON               Director             April 30, 1996
- ------------------------------
        Angus A. MacNaughton
    


- ------------------------------
*    By Bonnie S. Angus pursuant to Power of Attorney filed with Post-Effective
     Amendment No. 5 to the Registration Statement of Registrant on Form S-2,
     File No. 33-31711.


                                      II-6

<PAGE>

                                  EXHIBIT INDEX


Exhibit                                                               Page
Number                                                                ----
- -------

 1       Underwriting Agreement. . . . . . . . . . . . . . . . . .     *
 3(a)    Certificate of Incorporation. . . . . . . . . . . . . . .     *
 3(b)    By-Laws . . . . . . . . . . . . . . . . . . . . . . . . .     *
 4(a)    Combination Fixed/Variable Group Annuity
             Contract. . . . . . . . . . . . . . . . . . . . . . .     **
 4(b)    Certificate to be issued in connection with
             Contract Filed as Exhibit 4(a). . . . . . . . . . . .     **
 5       Opinion Re: Legality. . . . . . . . . . . . . . . . . . .     ***
23(a)    Independent Auditors' Consent . . . . . . . . . . . . . .
23(b)    Consent of Counsel. . . . . . . . . . . . . . . . . . . .
24       Powers of Attorney. . . . . . . . . . . . . . . . . . . .     ****


- ------------------------------
*        Filed with the Registration Statement of the Registrant on Form S-1,
         File No.33-29851.
**       Filed with Amendment No. 2 to the Registration Statement of the
         Registrant on Form S-1, File No. 2-99959.
***      Filed with the Registration Statement of the Registrant on Form S-2,
         File No. 33-31711.
****     Filed with Post-Effective Amendment No. 5 to the Registration Statement
         of Registrant on Form S-2, File No. 33-31711.


                                      II-7

<PAGE>

                                                                 Exhibit 23(a)


                          INDEPENDENT AUDITORS' CONSENT
   
     We consent to the use in this Post-effective Amendment No. 7 to
Registration Statement No. 33-31711 on Form S-2 of Sun Life Assurance Company of
Canada (U.S.) of our report dated February 2, 1996 accompanying the financial
statements of Sun Life of Canada (U.S.) Variable Account D and to the use of our
report dated February 7, 1996 accompanying the financial statements of Sun Life
Assurance Company of Canada (U.S.) appearing in the Prospectus, which is part of
such Registration Statement, and to the incorporation by reference of our
reports dated February 7, 1996 included in the Annual Report on Form 10-K of Sun
Life Assurance Company of Canada (U.S.) for the year ended December 31, 1995.
    
     We also consent to the reference to us under the heading "Accountants" in
such Prospectus.


   
DELOITTE & TOUCHE LLP
Boston, Massachusetts
April 29, 1996
    

<PAGE>

                                                                 Exhibit 23(b)


                               CONSENT OF COUNSEL

   
     I hereby consent to the reference to me in Post-effective Amendment No. 7
to the Registration Statement on Form S-2 of Sun Life Assurance Company of
Canada (U.S.) under the caption "Legal Matters" in the Prospectus contained
therein.
    

                                             DAVID D. HORN, ESQ.

   
April 30, 1996
    



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