Exhibit 99.1

August 13, 2002

Via EDGAR
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C. 20549

     Re:  Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant
          to Section 906 of the Sarbanes-Oxley Act of 2002

Ladies and Gentlemen:

In connection with the Quarterly Report of the Wiser Oil Company (the "Company")
on Form 10-Q for the quarterly period ended June 30, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, George
K. Hickox, Jr., Chairman and Chief Executive Officer of the Company, certify
pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that to my knowledge:

     (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; and

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

The above certification is furnished solely pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) and is not being filed as part of
the Form 10-Q or as a separate disclosure document.

                                         /s/ George K. Hickox, Jr.
                                         -----------------------------------
                                         George K. Hickox, Jr.
                                         Chairman and Chief Executive Officer