0001104659-13-006734 8-K 3 20130130 1.01 9.01 20130201 20130201 ATLANTIC POWER CORP 0001419242 4900 550886410 A1 1231 8-K 34 001-34691 13565557 ONE FEDERAL STREET FLOOR 30 BOSTON MA 02110 617-977-2400 ONE FEDERAL STREET FLOOR 30 BOSTON MA 02110 8-K 1 a13-4132_18k.htm 8-K EX-99.1 2 a13-4132_1ex99d1.htm EX-99.1 GRAPHIC 3 g41321mai001.jpg GRAPHIC