EXHIBIT 99.1

JOINT FILING AGREEMENT
PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

DATE: February 13, 2020

TRINE SPONSOR IH, LLC
Robin Trine Holdings, LLC, its managing member
By:	/s/ Leo Hindery, Jr.
	Name: Leo Hindery, Jr.
	Title:   Managing Member
ROBIN TRINE HOLDINGS, LLC
By:	/s/ Leo Hindery, Jr.
	Name: Leo Hindery, Jr.
	Title:   Managing Member
HPS INVESTMENT PARTNERS, LLC
By:	/s/ Paul Knollmeyer
	Name: Paul Knollmeyer
	Title:   Chief Financial Officer
/s/ Leo Hindery, Jr.
Leo Hindery, Jr.