Insider: Patrick Joseph Welch

Issuer Name: Atlantic Power Corporation
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
2011071414 Jul, 11 2011033131 Mar, 11 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 46,909 0 104,842
2011071414 Jul, 11 2011033131 Mar, 11 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan -15,637 15.11 89,205
2011071414 Jul, 11 2011033131 Mar, 11 Direct Ownership : Notional Shares 30 - Acquisition or disposition under a purchase/ownership plan 9,793 0 116,319
2011071414 Jul, 11 2011033131 Mar, 11 Direct Ownership : Notional Shares 30 - Acquisition or disposition under a purchase/ownership plan -46,909 0 69,410
2010052020 May, 10 2006053131 May, 06 Direct Ownership : Notional Shares 00 - Opening Balance-Initial SEDI Report 0 0 63,100
2010052020 May, 10 2010051414 May, 10 Direct Ownership : Notional Shares 56 - Grant of rights 43,426 0 106,526
2010050404 May, 10 2010042626 Apr, 10 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 30,310 0 57,933
2010031919 Mar, 10 2006053131 May, 06 Direct Ownership : Common Shares 00 - Opening Balance-Initial SEDI Report 0 0 0
2010031919 Mar, 10 2009112727 Nov, 09 Direct Ownership : Common Shares 36 - Conversion or exchange 27,623 0 27,623
2010031919 Mar, 10 2009112727 Nov, 09 Direct Ownership : Income Participating Securities (Common Share + $5.767 principal amt of 11.0% subord notes) 36 - Conversion or exchange -27,623 0 0
2009050606 May, 09 2009042424 Apr, 09 Direct Ownership : Income Participating Securities (Common Share + $5.767 principal amt of 11.0% subord notes) 30 - Acquisition or disposition under a purchase/ownership plan 18,266 0 27,623
2009050404 May, 09 2009042424 Apr, 09 Direct Ownership : Income Participating Securities (Common Share + $5.767 principal amt of 11.0% subord notes) 30 - Acquisition or disposition under a purchase/ownership plan 27,400 0 0
2008050606 May, 08 2006053131 May, 06 Direct Ownership : Income Participating Securities (Common Share + $5.767 principal amt of 11.0% subord notes) 00 - Opening Balance-Initial SEDI Report 0 0 0
2008050606 May, 08 2008042828 Apr, 08 Direct Ownership : Income Participating Securities (Common Share + $5.767 principal amt of 11.0% subord notes) 97 - Other 9,357 0 9,357
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance