Common use of Series AB Preferred Stock Purchase Warrant No Clause in Contracts

Series AB Preferred Stock Purchase Warrant No. 2016-1, dated January 29, 2016, issued to Capital Royalty Partners II (Cayman) L.P., exercisable for 688,000 shares of Series AB preferred stock, of which 435,481 remain unexercised.

Series AB Preferred Stock Purchase Warrant No. 2016-14, dated January 29, 2016, issued to Capital Royalty Partners II – Parallel Fund “B” (Cayman) L.P., exercisable for 688,000 8,176,000 shares of Series AB preferred stock, of which 435,481 5,159,330 remain unexercised.

Series AB Preferred Stock Purchase Warrant No. 2016-12, dated January 29, 2016, issued to Capital Royalty Partners II (Cayman) L.P., exercisable for 688,000 1,808,000 shares of Series AB preferred stock, of which 435,481 1,140,710 remain unexercised.