Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Warrant (right to buy)^F3	$0.6134	holding	—	—	—	May 11, 2018	May 11, 2024	Common Stock	326,052	—	I
Warrant (right to buy)^F4	$1.35	holding	—	—	—	Nov 11, 2017	May 11, 2021	Common Stock	1,093,750	—	I

Explanation of responses

F1These shares are directly held by WH-HH Holdings, LLC ("Holdings"). The managers of Holdings are Frank Bazos ("Bazos") and Stephen Marquardt ("Marquardt" and, together with Bazos, the "Holdco Managers"), each of whom were appointed and may be removed by Century Focused Fund III, L.P. ("CFF III"). Any disposition of the shares directly held by Holdings must be approved by CFF III in addition to the Managers. The general partner of CFF III is CCP Focused III, L.P. ("CCP GP"). The general partner of CCP GP is CCP Focused III, LLC ("CCP GP LLC").
F2The individual managers of CCP GP LLC are Bazos, Davis R. Fulkerson ("Fulkerson"), Charles L. Kline ("Kline") and David C. Sherwood ("Sherwood" and, collectively with Bazos, Fulkerson and Kline, the "CCP Managers") and, as such, each of the Holdco Managers, CFF III, CCP GP, CCP GP LLC, and the CCP Managers exercises shared voting and investment power over the shares held of record by Holdings. Each of the Reporting Persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any.
F3These warrants are directly held by WH-HH Blocker, Inc. ("Blocker"). The directors of Blocker are Bazos and Marquardt (collectively, the "Blocker Directors"), each of whom were appointed and may be removed by CFF III as the sole shareholder of Blocker. Each of the Blocker Directors, CFF III, CCP GP, CCP GP LLC, and the CCP Managers exercises shared voting and investment power over the warrants held of record by Blocker. Each of the Reporting Persons disclaims beneficial ownership of the warrants except to the extent of their pecuniary interest therein, if any.
F4These warrants are directly held by Holdings. Each of the Holdco Managers, CFF III, CCP GP, CCP GP LLC, and the CCP Managers exercises shared voting and investment power over the warrants held of record by Holdings. Each of the Reporting Persons disclaims beneficial ownership of the warrants except to the extent of their pecuniary interest therein, if any.