13F-NT LIVE false false false 0001357610 XXXXXXXX 03-31-2016 03-31-2016 false Ridgeback Capital Management LP

75 Ninth Avenue 5th Floor New York NY 10011

13F NOTICE 028-12280 0001423994 028-12856 Ridgeback Capital Investments L.P. Y Pursuant to an investment management agreement, Ridgeback Capital Management LP maintains investment and voting power with respect to the securities held or controlled by Ridgeback Capital Investments Ltd., which is the general partner of Ridgeback Capital Investments L.P., which directly owns the securities reported herein. Wayne Holman, an individual, controls Ridgeback Capital Management LP. Ridgeback Capital Management LP, Ridgeback Capital Investments Ltd. and Wayne Holman do not own any securities reported herein directly. Bud Holman 212-808-7729 /s/ Bud Holman New York NY 05-13-2016