0001193125-11-228555 SC 13D/A 2 20110822 20110822 FARRINGTON CAPITAL, L.P. FARRINGTON MANAGEMENT, LLC LS POWER PARTNERS II, L.P. LS POWER PARTNERS, L.P. LSP CAL HOLDINGS I, LLC LSP CAL HOLDINGS II, LLC LUMINUS ENERGY PARTNERS MASTER FUND, LTD. VEGA ASSET PARTNERS, L.P. CALPINE CORP 0000916457 4911 770212977 DE 1231 SC 13D/A 34 005-48317 111050135 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 7138308775 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 LUMINUS MANAGEMENT LLC 0001279151 000000000 SC 13D/A 1700 BROADWAY 35TH FL NEW YORK NY 10019 2126153450 1700 BROADWAY 35TH FL NEW YORK NY 10019 SC 13D/A 1 dsc13da.htm SCHEDULE 13D AMENDMENT NO. 4 EX-7.1 2 dex71.htm AMENDED AND RESTATED JOINT FILING AGREEMENT