<PAGE> PAGE 1
000 B000000 12/31/99
000 C000000 0001021453
000 D000000 N
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002 D010000 77046
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020 C000001 11
020 A000002 CREDIT SUISSE FIRST BOSTON CORP.
020 B000002 13-5659485
020 C000002 9
020 A000003 SALOMON SMITH BARNEY, INC.
020 B000003 11-2418191
020 C000003 8
020 A000004 PAINEWEBBER INC.
020 B000004 13-2638166
020 C000004 8
020 A000005 GOLDMAN SACHS & CO.
020 B000005 13-5108880
020 C000005 5
020 A000006 MORGAN STANLEY, DEAN WITTER & CO.
020 B000006 13-2655998
020 C000006 5
020 A000007 NESBITT BURNS SECURITIES, INC.
020 B000007 13-2620737
020 C000007 2
020 A000008 RBC DOMINION SECURITIES CORP.
020 B000008 13-5033225
020 C000008 2
020 A000009 DEUTSCHE BANK SECURITIES INC.
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<PAGE> PAGE 2
020 C000009 2
020 A000010 DONALDSON, LUFKIN & JENRETTE SECURITIES CORP.
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020 C000010 2
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022 A000001 HSBC SECURITIES, INC.
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022 C000001 279462
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<PAGE> PAGE 3
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<PAGE> PAGE 4
015 B000101 C
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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<PAGE> PAGE 9
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SIGNATURE DAN SUTTON
TITLE VP & TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM
Series Trust December 31, 1999 annual report.
</LEGEND>
<CIK> 0001021453
<NAME> AIM SERIES TRUST
<SERIES>
<NUMBER> 1
<NAME> GLOBAL TRENDS FUND CLASS A
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM
Series Trust December 31, 1999 annual report.
</LEGEND>
<CIK> 0001021453
<NAME> AIM SERIES TRUST
<SERIES>
<NUMBER> 1
<NAME> GLOBAL TRENDS FUND CLASS B
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM
Series Trust December 31, 1999 annual report.
</LEGEND>
<CIK> 0001021453
<NAME> AIM SERIES TRUST
<SERIES>
<NUMBER> 1
<NAME> GLOBAL TRENDS FUND CLASS C
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM
Series Trust December 31, 1999 annual report.
</LEGEND>
<CIK> 0001021453
<NAME> AIM SERIES TRUST
<SERIES>
<NUMBER> 1
<NAME> GLOBAL TRENDS FUND ADVISOR CLASS
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</TABLE>
