<PAGE>
FUTURE DIMENSIONS VARIABLE UNIVERSAL LIFE
A FLEXIBLE PREMIUM ADJUSTABLE COMBINATION
FIXED AND VARIABLE LIFE INSURANCE POLICY
Issued by
SOUTHLAND LIFE INSURANCE COMPANY
AND SOUTHLAND SEPARATE ACCOUNT L1
SUPPLEMENT DATED OCTOBER 7, 1998, TO
PROSPECTUS DATED MAY 1, 1998
THIS SUPPLEMENT UPDATES CERTAIN INFORMATION CONTAINED IN YOUR PROSPECTUS. PLEASE
READ IT CAREFULLY AND KEEP IT WITH YOUR PROSPECTUS FOR FUTURE REFERENCE.
Effective July 6, 1998, INVESCO Funds Group, Inc., the investment advisor to
INVESCO Variable Investment Funds, Inc., changed the arrangements by which it
voluntarily absorbs certain expenses of the INVESCO VIF - Industrial Income and
INVESCO VIF - Utilities Portfolio. See the INVESCO VIF - Industrial Income and
INVESCO VIF - Utilities Portfolio supplements, dated July 6, 1998 to the
respective Portfolio prospectuses, dated May 1, 1998. The annual Portfolio
expenses (as percentage of Portfolio average net assets), appearing on page 10
of the Future Dimensions Variable Universal Life prospectus, restated to reflect
these changes, are estimated as follows:
Total Annual
Management Other Expenses Expenses
INVESCO Variable (Advisory) (after (after
Investment Funds, Inc. Fees reimbursements) reimbursements)
- ---------------------- ---------- --------------- ---------------
Industrial Income Portfolio 0.75% 0.40% 1.15%
Utilities Portfolio 0.60% 0.55% 1.15%
* * * * * * * * * * * * * * *
The illustrations of values under a hypothetical Policy on pages 22-27 of the
prospectus reflect, among other Policy fees, charges, and costs, the simple
average of total Portfolio expenses available through the Policy. Taking into
account the changes affecting the INVESCO VIF Portfolios described above, as
well as the discontinued availability of the Janus Aspen Short-Term Bond
Portfolio, the simple average increases from 0.7376% to 0.7670%.