Stronghold Digital Mining (SDIG) SC 13D Stronghold Digital Mining / Q Power ownership change

Exhibit A

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) 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), and further agree that this Joint Filing Agreement be included as an exhibit to such joint filings.

Dated as of September 29, 2022
	Q POWER LLC
	By:	/s/ Matthew Usdin, Attorney-in-Fact
	Name:	Gregory A. Beard
	Title:	Managing Member
	By:	/s/ Matthew Usdin, Attorney-in-Fact
	Name:	William B. Spence
	Title:	Managing Member
	By:	/s/ Matthew Usdin, Attorney-in-Fact
		Gregory A. Beard
	By:	/s/ Matthew Usdin, Attorney-in-Fact
		William B. Spence