1 Exhibit 15 AMENDED AND RESTATED UNCONDITIONAL SUBSIDIARY GUARANTY AGREEMENT THIS AMENDED AND RESTATED UNCONDITIONAL SUBSIDIARY GUARANTY AGREEMENT (as amended, restated, supplemented or otherwise modified, this "Guaranty"), dated as of November 15,...Unconditional Subsidiary Guaranty Agreement • December 14th, 1999 • Infogrames Entertainment Sa • Services-prepackaged software • New York
