Hannon Armstrong Sustainable Infrastructure Capital, Inc.  (NYSE: HASI), a leading provider of debt and equity financing to the energy efficiency and renewable energy markets, is pleased to announce that Susan Nickey, Managing Director, has been appointed to the Board of Directors of the American Council on Renewable Energy ("ACORE"), a national non-profit organization dedicated to advancing the renewable energy sector through market development, policy changes, and financial innovation.

"We are pleased to welcome Ms. Nickey to ACORE's Board of Directors," said Greg Wetstone, President & Chief Executive Officer of ACORE. "Ms. Nickey brings over 25 years of executive leadership in the energy and finance sectors. Having focused her efforts on demonstrating creative solutions and innovations that make the production of renewable energy more competitive and affordable – goals well aligned with ACORE's mission – we look forward to her leadership and insights as a member of our Board."

"I am honored to have the opportunity to serve alongside leaders in the renewable energy sector as a member of ACORE's Board," said Ms. Nickey. "I look forward to advancing ACORE's mission to strategically promote the policies and financial structures essential to renewable energy growth."

Ms. Nickey joined Hannon Armstrong in 2014 as a managing director. Prior to that, she founded and served as CEO of Threshold Power. Prior to working at Threshold, she served as CFO at ACCIONA Energy North America from 2007-2010 and before that as Managing Director of Investment Banking in the Project Finance Group of Mesirow Financial. Ms. Nickey has previously served on the Governor of Nevada's Renewable Energy Development Program Task Force and the Legislative and Finance Committees for the American Wind Energy Association (AWEA). She was named one of Women's eNews' 21 Leaders for the 21st Century for her leadership in sustainable development. Ms. Nickey holds a Bachelor in Business Administration from theUniversity of Notre Dame and a Master of Science in Foreign Service from Georgetown University.

About Hannon Armstrong

Hannon Armstrong provides debt and equity financing to the energy efficiency and renewable energy markets. The Company focuses on providing preferred or senior level capital to established sponsors and high credit quality obligors for assets that generate long-term, recurring and predictable cash flows. The Company is based in Annapolis, MD.