Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	S	4,807	D	Jul 19, 2017	Feb 16, 2018	Common Stock	480,700	0	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	P	4,807	A	Feb 12, 2018	Aug 17, 2018	Common Stock	480,700	4,807	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	S	975	D	Jul 19, 2017	Feb 16, 2018	Common Stock	97,500	0	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	P	975	A	Feb 12, 2018	Aug 17, 2018	Common Stock	97,500	975	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	S	315	D	Jul 19, 2017	Feb 16, 2018	Common Stock	31,500	0	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	P	315	A	Feb 12, 2018	Aug 17, 2018	Common Stock	31,500	315	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	S	1,020	D	Jul 19, 2017	Feb 16, 2018	Common Stock	102,000	0	I
Call Option (right to buy)^F1	$6.00	Feb 12, 2018	P	1,020	A	Feb 12, 2018	Aug 17, 2018	Common Stock	102,000	1,020	I

Explanation of responses

F1The general partner of Osmium Capital, LP, Osmium Capital II, LP, Osmium Spartan, LP and Osmium Diamond, LP is Osmium Partners, LLC. John H. Lewis is the controlling member of Osmium Partners, LLC, and Mr. Lewis may be deemed to have voting and dispositive power with respect to the shares held by Osmium Capital, LP, Osmium Capital II, LP, Osmium Spartan, LP and Osmium Diamond, LP. Mr. Lewis disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Lewis is the beneficial owner of the shares for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose.