Denny's Same-Store Sales Rise in May

Denny's Corporation (NASDAQ:DENN) reported same-store sales for its company-owned Denny's restaurants during the four-week month ended May 25, 2005 compared with the related period in fiscal year 2004.

                                 Four Weeks        QTD          YTD

 Sales:                           May 2005      May 2005     May 2005

 ----------------------------- ------------- ------------- -----------

 Same-Store Sales                       6.4%          4.7%        5.6%

      Guest Check Average               5.9%          5.2%        4.0%

      Guest Counts                      0.5%         (0.5%)       1.6%





 Restaurant Counts:                 5/25/05      12/29/04

 ----------------------------- ------------- -------------

      Company-owned                     549           553

      Franchised and Licensed         1,036         1,050

                               ------------- -------------

                                      1,585         1,603

Denny's is America's largest full-service family restaurant chain, consisting of 549 company-owned units and 1,036 franchised and licensed units, with operations in the United States, Canada, Costa Rica, Guam, Mexico, New Zealand and Puerto Rico.