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[AIM LOGO APPEARS HERE]
--Registered Trademark--
11 Greenway Plaza, Suite 100
Houston, TX 77046-1173
713-626-1919
A I M Advisors, Inc.
January 3, 2001
VIA EDGAR
Securities and Exchange Commission
Judiciary Plaza
450 Fifth St., N.W.
Washington, D.C. 20549
Re: Short-Term Investments Co.
CIK No. 0000914638
Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933 ("1933 Act"), the
undersigned certifies on behalf of Short-Term Investments Co. (the "Fund") that
the Prospectuses and Statement of Additional Information relating to the Cash
Management Class, Institutional Class, Personal Investment Class, Private
Investment Class, Reserve Class and Resource Class of the Liquid Assets
Portfolio that would have been filed under Rule 497(c) of the 1933 Act do not
differ from those contained in Post-Effective Amendment No. 13 to the Fund's
Registration Statement on Form N-1A. Such Post-Effective Amendment No. 13 is the
most recent Amendment to the Fund's Registration Statement, which was filed
electronically with the Securities and Exchange Commission on December 19, 2000.
Please send copies of all correspondence with respect to this certificate to the
undersigned, or contact me at (713) 214-1212.
Very truly yours,
/s/RENEE A. FRIEDLI
------------------------
Renee A. Friedli
Counsel
A member of the AMVESCAP Group
