CONFIDENTIAL December , 2012 Mr. Larry Cohen, Manager Business Operations bgC3 LLC RE: Letter of Understanding Regarding New Investment Entity Dear Larry: This letter sets forth certain general understandings by and be

2012, after which time it will expire. - 3 - EFTA00585573 We look forward to working with you. Sincerely, bgC3 LLC By: Larry Cohen, Manager — Business Operations AGREED AND ACCEPTED TO THIS day of December, 2012 Boris Nikolic - 4 - EFTA00585574

2012, after which time it will expire. - 3 - EFTA00585569 We look forward to working with you. Sincerely, bgC3 LLC By: Larry Cohen, Manager — Business Operations AGREED AND ACCEPTED TO THIS day of December, 2012 Boris Nikolic - 4 - EFTA00585570

time it will expire. - 3 - EFTA_R1_00464118 EFTA01977561 We look forward to working with you. Sincerely, bgC3 LLC By: Larry Cohen, Manager — Business Operations AGREED AND ACCEPTED TO THIS day of December, 2012 Boris Nikolic - 4 - EFTA_R1_00464119 EFTA01977562