Exhibit 99.1

Joint Filing Agreement

The undersigned hereby agree that the Statement on Schedule 13G dated May 21, 2020 with respect to the shares of Common Stock, par value $0.001 per share, of Iconix Brand Group, Inc., and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.

Dated: May 21, 2020 

MUDRICK DISTRESSED OPPORTUNITY DRAWDOWN FUND II, L.P.
By:	Mudrick Distressed Opportunity Drawdown Fund II GP, LLC, its general partner
By:	/s/ Jason Mudrick
	Name:	Jason Mudrick
	Title:	Sole Member

MUDRICK DISTRESSED OPPORTUNITY DRAWDOWN FUND II GP, LLC
By:	/s/ Jason Mudrick
	Name:	Jason Mudrick
	Title:	Sole Member

MUDRICK CAPITAL MANAGEMENT, L.P.
By:	Mudrick Capital Management, LLC, its general partner
By:	/s/ Jason Mudrick
	Name:	Jason Mudrick
	Title:	Sole Member

MUDRICK CAPITAL MANAGEMENT, LLC
By:	/s/ Jason Mudrick
	Name:	Jason Mudrick
	Title:	Sole Member

/s/ Jason Mudrick

JASON MUDRICK