18 U.S.C. SECTION 1350

     In connection with the Quarterly Report of Callon Petroleum Company (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2005, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John S. Weatherly, Chief Financial 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.

Dated: May 9, 2005

  /s/ John S. Weatherly
  John S. Weatherly, Chief Financial Officer