EXHIBIT 99.1


                                 CERTIFICATION

Pursuant to 18 U.S.C. Section 1350, I, Van B. Honeycutt, Chairman and Chief
Executive Officer of Computer Sciences Corporation (the "Company"), hereby
certify that:

(1)   the Company's Annual Report on Form 10-K for the fiscal year ended March
      28, 2003 (the "Report") fully complies with the requirements of Section
      13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; 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: June 13, 2003                        /s/  Van B. Honeycutt
                                            ------------------------------------
                                            Van B. Honeycutt
                                            Chairman and Chief Executive Officer




A signed original of this written statement required by Section 906 has been
provided to Computer Sciences Corporation and will be retained by Computer
Sciences Corporation and furnished to the Securities and Exchange Commission or
its staff upon request.