X0206 3 2013-04-02 0 0001419242 ATLANTIC POWER CORP AT 0001427724 Hall, III Edward C C/O ATLANTIC POWER CORPORATION ONE FEDERAL ST., FLOOR 30 BOSTON MA 02110 0 1 0 0 Executive Vice President COO Common Shares 32000 D Exhibit List: Exhibit 24-Power of Attorney Barry E. Welch, attorney-in-fact 2013-04-04