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June 8, 2020

VIA EDGAR

Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549

RE:	AIM Counselor Series Trust (Invesco Counselor Series Trust)
	CIK No. 0001112996
	Invesco Equally-Weighted S&P 500 Fund (the “Fund”)

Ladies and Gentlemen:

Enclosed for filing pursuant to Rule 497(e) under the Securities Act of 1933, as amended, (the “1933 Act”) are exhibits containing interactive data format risk/return summary information that reflects the risk/return summary information in the supplement for the Fund as filed pursuant to Rule 497(e) under the 1933 Act on May 29, 2020 (Accession Number: 0001683863-20-010263).

Please direct any comments or questions to the undersigned, or contact me at (713) 214-1576 or at tabitha.washington@invesco.com.

Very truly yours,

/s/ Tabitha Washington
Tabitha Washington
Paralegal III