EXHIBIT 99.1 CERTIFICATION BY BRUCE L. CLELAND, CHIEF EXECUTIVE OFFICER, PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Bruce Cleland, the Chief Executive Officer of Campbell & Company, Inc., as general partner of Campbell Strategic Allocation Fund, L.P., certify that (i) the Form 10-K for the fiscal year ended December 31, 2002 of Campbell Strategic Allocation Fund, L.P. fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and (ii) the information contained in the Form 10-K for the fiscal year ended December 31, 2002 fairly presents, in all material respects, the financial condition and results of operations of Campbell Strategic Allocation Fund, L.P. CAMPBELL STRATEGIC ALLOCATION FUND, L.P. By: Campbell & Company, Inc., general partner By: /s/ Bruce L. Cleland ------------------------------- Bruce L. Cleland Chief Executive Officer March 28, 2003 E 2