EX-99.1 3 ex991to13da113432007_110425.htm TERMINATION AGREEMENT, DATED NOVEMBER 4, 2025

Exhibit 99.1

TERMINATION AGREEMENT

November 4, 2025

Each of the undersigned is a party to that certain Group Agreement, dated as of September 8, 2025 (the “Group Agreement”), with respect to Denny’s Corporation. In accordance with Section 9 of the Group Agreement, each of the undersigned hereby agrees that the Group Agreement is hereby terminated effective immediately.

[Signature page follows]

IN WITNESS WHEREOF, the parties hereto have caused this Termination Agreement to be executed as of the day and year first above written.

	JCP Investment Partnership, LP
	By:	JCP Investment Management, LLC Investment Manager
	By:	/s/ James C. Pappas
		Name:	James C. Pappas
		Title:	Managing Member

	JCP Investment Partners, LP
	By:	JCP Investment Holdings, LLC General Partner
	By:	/s/ James C. Pappas
		Name:	James C. Pappas
		Title:	Sole Member

	JCP Investment Holdings, LLC
	By:	/s/ James C. Pappas
		Name:	James C. Pappas
		Title:	Sole Member

	JCP Investment Management, LLC
	By:	/s/ James C. Pappas
		Name:	James C. Pappas
		Title:	Managing Member

/s/ James C. Pappas

James C. Pappas

	Jumana Capital Investments LLC
	By:	/s/ Christopher Martin
		Name:	Christopher Martin
		Title:	Manager

/s/ Christopher Martin

Christopher Martin