EXHIBIT D JOINT FILING AGREEMENT The undersigned agree that this Schedule 13D, dated September 16, 2005, relating to the Common Stock of YP Corp., shall be filed on behalf of the undersigned. Dated: September 16, 2005 Grand Slam Capital Master Fund, Ltd.Joint Filing Agreement • September 19th, 2005 • Grand Slam Asset Management LLC • Services-computer programming services
Contract Type FiledSeptember 19th, 2005 Company IndustryThe undersigned agree that this Schedule 13D, dated September 16, 2005, relating to the Common Stock of YP Corp., shall be filed on behalf of the undersigned.