Michael Castellano - BlackRock Health Independent Trustee

Mr. Michael J. Castellano serves as Independent Trustee of BlackRock Health Science Trust. Mr. Castellano is Chief Financial Officer of Lazard Group LLC from 2001 to 2011 Chief Financial Officer of Lazard Ltd from 2004 to 2011 Director, Support Our Aging Religious from 2009 to June 2015 Director, National Advisory Board of Church Management at Villanova University since 2010 Trustee, Domestic Church Media Foundation since 2012 Director, CircleBlack Inc. since 2015. The Boards benefit from Mr. Castellanos career in accounting which spans over forty years. Mr. Castellano has served as Chief Financial Officer of Lazard Ltd. and as a Managing Director and Chief Financial Officer of Lazard Group. Prior to joining Lazard, Mr. Castellano held various senior management positions at Merrill Lynch Co., including Senior Vice President Chief Control Officer for Merrill Lynchs capital markets businesses, Chairman of Merrill Lynch International Bank and Senior Vice President Corporationrationrate Controller. Prior to joining Merrill Lynch Co., Mr. Castellano was a partner with Deloitte Touche where he served a number of investment banking clients over the course of his 24 years with the firm. Mr. Castellanos knowledge of financial and accounting matters qualifies him to serve as a member of each Funds Audit Committee. Mr. Castellanos independence from the Funds and the Funds investment advisor enhances his service as a member of the Audit Committee, Governance Committee and Performance Oversight Committee.