JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the shares of Common Stock, $0.01 par value per share, of Papa John's International, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated:  October 1, 2018

Legion Partners, L.P. I
By:	Legion Partners Asset Management, LLC
	Investment Advisor
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Director

Legion Partners, L.P. II
By:	Legion Partners Asset Management, LLC
	Investment Advisor
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Director

Legion Partners Special Opportunities, L.P. I
By:	Legion Partners Asset Management, LLC
	Investment Advisor
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Director

Legion Partners, LLC
By:	Legion Partners Holdings, LLC
	Managing Member
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Member

Legion Partners Asset Management, LLC
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Director

Legion Partners Holdings, LLC
By:	/s/ Christopher S. Kiper
	Name:	Christopher S. Kiper
	Title:	Managing Member

/s/ Christopher S. Kiper
Christopher S. Kiper
/s/ Raymond White
Raymond White
CALIFORNIA STATE TEACHER'S RETIREMENT SYSTEM
By:	/s/ April Wilcox
	Name:	April Wilcox
	Title:	Director of Operations