EXHIBIT 15

October 30, 2007

Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

Commissioners:

We are aware that our report dated October 30, 2007 on our review of interim financial information of Sonoco Products Company for the three- and nine-month periods ended September 30, 2007 and September 24, 2006 and included in the Company’s quarterly report on Form 10-Q for the quarter ended September 30, 2007 is incorporated by reference in its Registration Statements on Forms S-8 (File No. 33-45594; File No. 33-60039; File No. 333-12657; File No. 333-69929; File No. 333-100799; and File No. 333-100798) and Form S-3 (File No. 333-136244).

Yours very truly,

/s/ PricewaterhouseCoopers LLP