Exhibit 99.1

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 additional amendments thereto) with respect to the Common Stock, par value $0.01 per share of Navient Corporation, a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: February 28, 2024

Newbury Investors LLC
By:	Sherborne Investors Master GP, LLC, its managing member
By:	Sherborne Investors LP, its sole member
By:	Sherborne Investors GP, LLC, its general partner
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

Sherborne Investors Master GP, LLC
By:	Sherborne Investors LP, its sole member
By:	Sherborne Investors GP, LLC, its general partner
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

Sherborne Investors LP
By:	Sherborne Investors GP, LLC, its general partner
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

Sherborne Investors Management LP
By:	Sherborne Investors Management GP, LLC, its general partner
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

Sherborne Investors GP, LLC
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

Sherborne Investors Management GP, LLC
By:	/s/ Stephen Welker
	Name:	Stephen Welker
	Title:	Managing Director

/s/ Edward Bramson

Edward Bramson

/s/ Stephen Welker

Stephen Welker