Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Forward Sale Agreement (obligation to sell)^F1	—	Jan 9, 2019	S	700	D	Jan 18, 2019	Jan 18, 2019	Common Stock	700	192,716	D
Forward Sale Agreement (obligation to sell)^F1	—	Jan 10, 2019	S	62,494	D	Jan 18, 2019	Jan 18, 2019	Common Stock	62,494	130,222	D
Warrant	$11.50	Jan 9, 2019	S	13,489	D	Nov 23, 2018	May 22, 2024	Common Stock	13,489	781,655	D

Explanation of responses

F1Pursuant to a forward sale agreement between the Reporting Person and the issuer, as amended, the Reporting Person will be obligated to sell 220,000 shares (the "Original Shares") to the issuer on behalf of K2 on January 18, 2019 unless such Original Shares are sold by the Reporting Person prior to such date. The prices at which the Reporting Person will be obligated to sell any remaining shares of the Original Shares to the issuer on January 18, 2019 are as follows: (i) first, $6.00 per remaining share up to 20% of the Original Shares; (ii) then, $5.00 per remaining share up to 20% of the Original Shares; (iii) then, $4.00 per remaining share up to 20% of the Original Shares; (iv) then, $3.00 per remaining share up to 20% of the Original Shares; and (v) then, $2.00 per remaining share up to 20% of the Original Shares.