Alpha Metallurgical Resources (AMR) SC 13D Alpha Metallurgical Resources / CONTINENTAL GENERAL INSURANCE ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock, par value $0.01 per share, of Alpha Metallurgical Resources, Inc. dated as of the date hereof is, and any further amendments thereto signed by each 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) under the Securities Exchange Act of 1934, as amended.

Dated: December 1, 2022

Percy Rockdale LLC
By:	/s/ Michael Gorzynski
	Name:	Michael Gorzynski
	Title:	Sole Manager

MG Capital Management Ltd.
By:	/s/ Michael Gorzynski
	Name:	Michael Gorzynski
	Title:	Sole Director

Continental General Insurance Company
By:	/s/ Michael Gorzynski
	Name:	Michael Gorzynski
	Title:	Executive Chair

Continental Insurance Group, Ltd.
By:	/s/ Michael Gorzynski
	Name:	Michael Gorzynski
	Title:	President

Continental General Holdings LLC
By:	/s/ Michael Gorzynski
	Name:	Michael Gorzynski
	Title:	Executive Chair
/s/ Michael Gorzynski
Michael Gorzynski