(a) This statement is filed by (i) First Eagle Investment Management, LLC, a Delaware limited liability company and an investment adviser registered under the Investment Advisers Act of 1940 ("FEIM"), (ii) First Eagle Value in Biotechnology Master Fund, Ltd., a Cayman Islands exempted company ("FEVIB"), and (iii) 21 April Fund, Ltd., a Cayman Islands exempted company ("April LTD" and together with FEIM and FEVIB, the "Reporting Persons"). The Common Stock reported herein is held by various clients in accounts under FEIM's management and control, including accounts for FEVIB and April LTD. Messrs. Daniel DeClue and Michael M. Kellen (together, the "Portfolio Managers") are each the portfolio manager for FEVIB and April LTD, respectively, and, as such, have the authority to make decisions regarding the voting and disposition of the Common Stock held by those accounts for which they act as the portfolio manager. Mr. Kellen is Vice Chairman of FEIM, Ms. Bridget A. Macaskill is the Chief Executive Officer of FEIM and Mr. John P. Arnhold is the Chairman of FEIM (collectively, the "Principals"). Messrs. Martin Byrne, Curtis L. Lowell and Steven Schaefer (collectively, the "Directors") serve as directors of FEVIB and April LTD. (b) The principal business address of the Reporting Persons, the Principals and the Portfolio Managers is 1345 Avenue of the Americas, New York, New York 10105. The principal business address of Mr. Byrne is c/o International Management Services Ltd., P.O. Box 61, Harbour Centre, George Town, Grand Cayman, E9, 00000. The principal business address of Messrs. Lowell and Schaefer is c/o Citco Fund Services (Cayman Islands) Ltd, 89 Nexus Way, 2nd Floor, P.O. Box 31106, Grand Cayman, E9, KY1-1205. (c) The principal business of FEIM, the Principals and the Portfolio Managers is investing for client accounts under their management. The principal business of FEVIB and April LTD is investing in securities. The principal business of the Directors is serving as director for investment funds, including FEVIB and April LTD. (d) None of the Reporting Persons, Principals or Directors has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (e) Messrs. Kellen, Arnhold and Lowell and Ms. Macaskill are United States citizens, Mr. Byrne is a citizen of Ireland and Mr. Schaefer is a citizen of Germany. |