Putnam Investments
One Post Office Square
Boston, MA 02109
January 7, 2000
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549
RE: Putnam Growth Opportunities Fund and Putnam Research Fund (the
"Funds"), series of Putnam Investment Funds Trust (the "Trust")
(Reg. No. 33-56339) (811-7237) Post-Effective Amendment No. 28
to Registration Statement on Form N-1A
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as
amended, the Funds hereby certify that the form of Prospectuses and
Statements of Additional Information that would have been filed on
behalf of the Funds pursuant to Rule 497(c) upon the effectiveness of
Post-Effective Amendment No. 28 to the Funds' Registration Statement on
Form N-1A (the "Amendment") would not have differed from that contained
in the Amendment, which is the most recent amendment to such
Registration Statement and was filed electronically on November 26,
1999.
Comments or questions concerning this certificate may be directed
to Kathleen Moynihan at 1-800-225-2465, ext. 11796.
Very truly yours,
Putnam Growth Opportunities Fund
Putnam Research Fund
/s/ Gordon H. Silver
By: ----------------------------
Gordon H. Silver
Vice President
cc: Vanda Shellock
