Exhibit 32.1

ADDITIONAL CERTIFICATIONS

     Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Michael Baker Corporation (the “Company”), hereby certifies that the Company’s Quarterly Report on Form 10-Q for the three months ended June 30, 2008 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Bradley L. Mallory
President, Chief Executive Officer and Director Date: August 11, 2008

     Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Michael Baker Corporation (the “Company”), hereby certifies that the Company’s Quarterly Report on Form 10-Q for the three months ended June 30, 2008 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Craig O. Stuver
Senior Vice President, Corporate Controller,
Treasurer and Acting Chief Financial Officer Date: August 11, 2008

     These additional certifications are being furnished solely pursuant to 18 U.S.C. Section 1350, and are not being filed as part of the Report or as a separate disclosure document.