Exhibit 99.1

AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of shares of EVO Payments, Inc.

This agreement may be executed in any number of counterparts, each of which shall be deemed an original.

16^th day of February, 2021.

MADISON DEARBORN PARTNERS, LLC
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MADISON DEARBORN PARTNERS VI-A&C, L.P.
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MADISON DEARBORN CAPITAL PARTNERS VI-C, L.P.
By: Madison Dearborn Partners VI-A&C, L.P.
Its: General Partner
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director

MADISON DEARBORN PARTNERS VI-B, L.P.
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MADISON DEARBORN CAPITAL PARTNERS VI-B, L.P.
By: Madison Dearborn Partners VI-B, L.P.
Its: General Partner
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-B, L.P.
By: Madison Dearborn Partners VI-B, L.P. Its: General Partner
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director

MDCP CARDSERVICES, LLC
By: Madison Dearborn Capital Partners VI-B, L.P.
Its: Controlling Member
By: Madison Dearborn Partners VI-B, L.P.
Its: General Partner
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MDCP VI-C CARDSERVICES BLOCKER CORP.
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director
MDCP VI-C CARDSERVICES SPLITTER, L.P.
By: Madison Dearborn Partners VI-B, L.P.
Its: General Partner
By: Madison Dearborn Partners, LLC
Its: General Partner
By:	/s/ Annie S. Terry
	Name: Annie S. Terry
	Its: Managing Director

  /s/ Paul J. Finnegan

Paul J. Finnegan

  /s/ Samuel M. Mencoff

Samuel M. Mencoff

  /s/ Vahe A. Dombalagian

Vahe A. Dombalagian