Epstein Secrets

instrument; or (e) make any payment to David J. Mitchell (or his affiliates) with respect to the Company's

agreed to grant to any person or entity any rights (including piggyback registration rights) to have any securities of the Company registered with the United States Securities and Exchange Commission ("SEC") or any other governmental authority. To the Company's knowledge, except as contemplated in the Voting Agreement, dated December 28, 2012, a

ENT Investor• Name: Investor: Name: David J. Mitchell Jonathan Leitersdorf EFTA00298902 COUNTERPART

and outstanding or (ii) are then issuable pursuant to the exercise or conversion of options, warrants or convertible securities. 1.11 "SEC means the United States Securities and Exchange Commission. 1.12 "Securities Act" means the Securities Act of 1933, as amended. 2. Registration Rights. 2.1 Demand Registration. (a) Request by Holders.

chedule of Purchasers and with regard to David J. Mitchell as set forth opposite his name on the Payment Sc

and outstanding or (ii) are then issuable pursuant to the exercise or conversion of options, warrants or convertible securities. 1.11 "SEC' means the United States Securities and Exchange Commission. 1.12 "Securities Act" means the Securities Act of 1933, as amended. 2. Registration Rights. 2.1 Demand Registration. (a) Request by Holders.