0000916457-12-000032 8-K 3 20120427 2.02 9.01 20120427 20120427 CALPINE CORP 0000916457 4911 770212977 DE 1231 8-K 34 001-12079 12785497 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 7138302000 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 8-K 1 cpn_8kxq1x2012.htm FORM 8K DATED APRIL 27, 2012 EX-99.1 2 cpn_8kxexhibit991xq1x2012.htm CALPINE CORPORATION PRESS RELEASE DATED APRIL 27, 2012 GRAPHIC 3 calpineimage.jpg COMPANY LOGO