0001558370-20-006625 8-K 2 20200514 7.01 9.01 20200514 20200514 ATLANTIC POWER CORP 0001419242 4900 550886410 A1 1231 8-K 34 001-34691 20878690 3 ALLIED DRIVE SUITE 155 DEDHAM MA 02026 617-977-2400 3 ALLIED DRIVE SUITE 155 DEDHAM MA 02026 8-K 1 tmb-20200514x8k.htm 8-K EX-99.1 2 tmb-20200514xex99d1.htm EX-99.1