Exhibit 99

                                   CERTIFICATE
                       Pursuant to 18 U.S.C. Section 1350


         The undersigned, who are the chief executive officer and the chief
financial officer of Sonoco Products Company, each hereby certifies that the
accompanying Form 10-Q for the quarter ended June 30, 2002, fully complies with
the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of
1934 and that information contained in the report fairly presents, in all
material respects, the financial condition and results of operations of the
issuer.

August 12, 2002


                                              /s/H.E. DeLoach, Jr.
                                              ---------------------------
                                              Harris E. DeLoach, Jr.
                                              Chief Executive Officer



                                              /s/C.J. Hupfer
                                              ---------------------------
                                              Charles J. Hupfer
                                              Chief Financial Officer