DENNY’S CORPORATION REPORTS RESULTS FOR SECOND QUARTER 2023 REITERATES FULL YEAR 2023 ADJUSTED EBITDA GUIDANCE SPARTANBURG, S.C., August 1, 2023 - Denny’s Corporation (the "Company") (NASDAQ: DENN), owner and operator of Denny's Inc. ("Denny's") and Keke's Inc. ("Keke's") today reported results for its second quarter ended June 28, 2023 and provided a business update on the Company’s operations. Kelli Valade, Chief Executive Officer, stated, "We were pleased to report 3.0% Denny's domestic system-wide same- ...