Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13G with respect to the Class A common stock, par value $0.0001 per share, of BlackSky Technology Inc. dated September 23, 2021, 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:  September 23, 2021

SEAHAWK SPV INVESTMENT LLC
	By:	/s/ Alan Kessler
		Name:  Alan Kessler Title:    President
THALES ALENIA SPACE US INVESTMENT LLC
	By:	/s/ Clarence Duflocq
		Name:  Clarence Duflocq Title:    President
THALES ALENIA SPACE S.A.S
	By:	/s/ Hervé Derrey
		Name:  Hervé Derrey Title:    President & CEO
THALES S.A.
	By:	/s/ Isabelle Simon
		Name:  Isabelle Simon Title:    Group Secretary &              General Counsel