Exhibit 99.1

Certification Pursuant to 18 U.S.C. Section 1350,

As Adopted Pursuant to Section 906 of the

Sarbanes - Oxley Act of 2002

In connection with the Quarterly Report of PLM Equipment Growth Fund IV Liquidating Trust (the "Trust"), on Form 10-QSB for the period ended September 30, 2003 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned, the President of the Trustee and of the Trust, hereby certifies pursuant to 18 U.S.C. §1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that:

(1)  the Report of the Trust filed today fully complies with the requirements of Section 13(a) or 15 (d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Trust.

/s/ James A. Coyne

James A. Coyne

President of PLM Financial Services, Inc

November 13, 2003