EXHIBIT 99.1

CERTIFICATIONS 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 T/R Systems, Inc. (the “Company”) on Form 10-Q for the quarter ended April 30, 2003, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of such officer’s knowledge:

(1) The Report 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 Company as of the dates and for the periods expressed in the Report.


Date: June 12, 2003				/s/ Michael E. Kohlsdorf Name: Michael E. Kohlsdorf Title: Chief Executive Officer



				/s/ Lyle W. Newkirk Name: Lyle W. Newkirk Title: Chief Financial Officer

T/R SYSTEMS INC 10-Q