Blackstone Holdings II SC 13D Atlas Technical Consultants, Inc.

EXHIBIT A

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the “Exchange Act”) the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to securities of Atlas Technical Consultants, Inc., a Delaware corporation, and further agree to the filing, furnishing, and/or incorporation by reference of this Agreement as an exhibit thereto. Each of them is responsible for the timely filing of such filings and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

Dated: February 24, 2020

GSO CAPITAL OPPORTUNITIES FUND III LP
By: GSO Capital Opportunities Associates III LLC
By:	/s/ Marisa Beeney
Name:	Marisa Beeney
Title:	Authorized Signatory
GSO CAPITAL OPPORTUNITIES ASSOCIATES III LLC
By:	/s/ Marisa Beeney
Name:	Marisa Beeney
Title:	Authorized Signatory
GSO HOLDINGS I L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE HOLDINGS II L.P.
By: Blackstone Holdings I/II GP L.L.C., its general partner
By: The Blackstone Group Inc., its sole member
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer

BLACKSTONE HOLDINGS I/II GP L.L.C.
By: The Blackstone Group Inc., its sole member
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
THE BLACKSTONE GROUP INC.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE GROUP MANAGEMENT L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer

STEPHEN A. SCHWARZMAN

/s/ Stephen A. Schwarzman