SCHEDULE 13D JOINT FILING AGREEMENT

EXHIBIT B

SCHEDULE 13D JOINT FILING AGREEMENT

In accordance with the requirements of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and subject to the limitations set forth therein, the parties set forth below agree to jointly file the Schedule 13D/A to which this Joint Filing Agreement is attached, and have duly executed this Joint Filing Agreement as of the date set forth below.

Dated: June 15, 2018				MARIPOSA ACQUISITION II, LLC
				By:		/S/ Xxxxxx X. Xxxxxxxx
						Name: Xxxxxx X. Xxxxxxxx
						Title: Manager
				XXXXXX X. REVOCABLE TRUST
				By:		/S/ Xxxxxx X. Xxxxxxxx
						Xxxxxx X. Xxxxxxxx, as settlor and trustee of the Xxxxxx X. Xxxxxxxx Revocable Trust
						/S/ Xxxxxx X. Xxxxxxxx
				Xxxxxx X. Xxxxxxxx
				TASBURGH LLC
				By:		/S/ Ian X.X. Xxxxxx
						Name: Ian X.X. Xxxxxx
						Title:   Managing Member
						/S/ Ian X.X. Xxxxxx
				Ian X. X. Xxxxxx

POWDER HORN HILL PARTNERS II, LLC
By:		/S/ Xxxxx X. Xxxxxx
		Name: Xxxxx X. Xxxxxx
		Title:   Managing Member
		/S/ Xxxxx X. Xxxxxx
Xxxxx X. Xxxxxx
THE XXXXXXX XXXXXXXXX REVOCABLE TRUST
By:		/S/ Xxxxxxx X. XxXxxxxxx
		Name: Xxxxxxx X. XxXxxxxxx
		Title:   Trustee
		/S/ Xxxxxxx X. XxXxxxxxx
Xxxxxxx X. XxXxxxxxx