#1 Reflects the payout of performance shares earned under the Denny's 2021 Long-Term Incentive Program.

#1 Deferred Stock Units, which were granted in 2021 under the Denny's Corporation 2021 Omnibus Incentive Plan, vested on May 16, 2024, the first anniversary of the date of grant and converted to common stock of the Issuer on this date.

#1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.15 to $9.29, inclusive. The reporting person undertakes to provide to Denny's Corporation, any security holder of Denny's Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.27 to $9.43, inclusive.

#1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.15 to $9.29, inclusive. The reporting person undertakes to provide to Denny's Corporation, any security holder of Denny's Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.27 to $9.43, inclusive.