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As filed pursuant to Rule 497
SEC File No. 33-86642
ANCHOR NATIONAL LIFE INSURANCE COMPANY
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VARIABLE ANNUITY ACCOUNT FOUR
SUPPLEMENT TO THE ANCHOR ADVISOR PROSPECTUS DATED MAY 1, 2000
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The "Principal Advantage Program" subheading in the Profile under
Section 10, "Other Information", is deleted.
The reference to the 6-month DCA fixed account option in the "Dollar
Cost Averaging" subheading, under Section 10, "Other Information", is deleted.
The reference in the Table of Contents on page 2 of the Prospectus
under the section "Investment Options" to "Principal Advantage Program" is
deleted.
The "Principal Advantage Program" section on page 9 of the Prospectus,
including the Example, is deleted in its entirety.
Date: May 19, 2000
Please keep this Supplement with your Prospectus.
