0000916457-15-000028 8-K 3 20150501 2.02 9.01 20150501 20150501 CALPINE CORP 0000916457 4911 770212977 DE 1231 8-K 34 001-12079 15822071 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 7138302000 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 8-K 1 cpn_8kxq1x2015.htm 8-K - FIRST QUARTER 2015 EARNINGS RELEASE EX-99.1 2 cpn_8kxexhibit991xq1x2015.htm EXHIBIT 99.1 - CALPINE CORPORATION PRESS RELEASE DATED MAY 1, 2015 GRAPHIC 3 cpnimage1a03.jpg CALPINE LOGO