EXHIBIT 99

    CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
         RELATING TO A PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS

      I, Lon R. Greenberg, Chief Executive officer, and I, Anthony J. Mendicino,
Chief Financial Officer, of UGI Corporation, a Pennsylvania corporation (the
"Company"), hereby certify that:

      (1)   The Company's periodic report on Form 10-Q for the period ended
            December 31, 2002 (the "Form 10-Q") fully complies with the
            requirements of Section 13(a) of the Securities Exchange Act of
            1934, as amended; and

      (2)   The information contained in the Form 10-Q fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

                                     * * *

CHIEF EXECUTIVE OFFICER                         CHIEF FINANCIAL OFFICER

/s/ Lon R. Greenberg                            /s/ Anthony J. Mendicino
- -------------------------------                 --------------------------------
Lon R. Greenberg                                Anthony J. Mendicino

Date: February 13, 2003                         Date: February 13, 2003