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As filed pursuant to Rule 424(b)(3)
under the Securities Act of 1933
Registration No. 33-87864
ANCHOR NATIONAL LIFE INSURANCE COMPANY
VARIABLE SEPARATE ACCOUNT
(PORTION RELATING TO
THE POLARIS AND POLARIS II VARIABLE ANNUITIES)
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SUPPLEMENT TO THE PROSPECTUS DATED APRIL 1, 1998
As of January 4, 1999, Massachusetts Financial Services Company ("MFS")
replaces Phoenix Investment Counsel as the investment sub-adviser to the
Growth/Phoenix Investment Counsel Portfolio and Balanced/Phoenix Investment
Counsel Portfolio. The portfolios are renamed as MFS Growth and Income
Portfolio and MFS Total Return Portfolio, respectively.
Currently, the fee structure for management of the MFS Growth and Income
Portfolio and the MFS Total Return Portfolio is the same as that of the Phoenix
managed Portfolios for which MFS is the replacement adviser.
Effective January 1, 1999, SunAmerica, Inc. merged with American
International Group, Inc. ("AIG"), a Delaware Corporation. Anchor National Life
Insurance Company is now an indirect, wholly-owned subsidiary of AIG.
Date: January 4, 1999
Please keep this Supplement with your Prospectus.
