Security	Date	Code	Shares	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	holding	—	—	—	12,864,822	D
Common Stock^F3	holding	—	—	—	1,572,523	D
Common Stock^F4,F8	holding	—	—	—	1,087,878	D
Common Stock^F5	holding	—	—	—	519,666	D
Common Stock^F6	holding	—	—	—	20,000	I	By Koski Management, Inc.
Common Stock^F7	holding	—	—	—	530,851	I	By Trusts

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Non-Employee Director Option (Right to Buy)^F8	$0.37	Jun 22, 2017	A	140,000	A	Jun 22, 2017	Jun 22, 2027	Common Stock	140,000	140,000	D

Explanation of responses

F1Shares owned directly by Koski Family Limited Partnership ("KFLP"). Shares owned indirectly by the KFLP general partners: Koski Management, Inc. (solely owned by Beverly Koski), Christine L. Koski, Robert C. Koski and Thomas L. Koski, each of whom is a general partner of the partnership or the controlling person of a corporate general partner of the partnership.
F2Each reporting person disclaims beneficial ownership of all indirectly owned securities in excess of such reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner for purposes of Section 16 or any other purpose.
F3Shares owned directly by Christine L. Koski.
F4Shares owned directly by Robert C. Koski, a director of the Company.
F5Shares owned directly by Thomas L. Koski.
F6Shares owned indirectly by Beverly Koski (through Koski Management, Inc.).
F7Shares owned by trusts of which Mr. Robert C. Koski is sole trustee. Such trusts are as follows: the Robert Clayton Koski Trust for the benefit of Anthony James Hunter (100,000 shares); the Robert Clayton Koski Trust for the benefit of Hunter Buchanan Koski (100,000 shares); the Robert Clayton Koski Trust for the benefit of Clayton Ward Bennett (100,000 shares); the Robert Clayton Koski Trust for the benefit of Robert Edward Koski (100,000 shares); and the Robert Clayton Koski Trust for the benefit of Elyse Margaux Koski (97,666 shares). Mr. Koski disclaims beneficial ownership of the shares held by the trusts except to the extent of any pecuniary interest.
F8Represents an award of options to purchase shares of the Company's common stock under the Company's 2012 Equity Incentive Plan in connection with service to the Company as a director. The options vest on the first anniversary of the grant date. The option exercise price is the closing price on the date of the grant, June 22, 2017