PUTNAM INVESTMENTS

January 28, 1994

U.S. Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C.  20549

     Re:  Putnam Corporate Asset Trust - CIK No.  0000730178
          Request for Withdrawal of Amendment to
          Registration Statement on Form 485b24e;
          File No.  2-545091

Ladies and Gentlemen:

Due to a technical problem with the SEC's 485b24e Form type,
Putnam Managed Income Trust Post-effective Amendment Number 10
was inadvertently filed under Putnam Corporate Asset Trust this
morning at 9:11 am.  The Accession number for this filing is
0000764110-94-000002.

We request withdrawal of this amendment pursuant to Rule 477(a)
under the Securities Act of 1933.

Sincerely,

Karen R. Kay
Senior Vice President and
Assistant General Counsel
Putnam Investments, Inc.