X0306 4 2014-12-31 0 0001561660 Pattern Energy Group Inc. PEGI 0001587428 R/C Renewable Energy GP II, L.L.C. 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001465880 Pattern Energy Group Holdings LP ONE LETTERMAN DRIVE BUILDING D SAN FRANCISCO CA 94129 0 0 1 0 0001587454 Pattern Energy GP, LLC 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587479 Pattern Energy Group LP 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587509 Pattern Renewables GP LLC 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587510 Pattern Renewables LP 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587427 Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587430 R/C Wind II LP 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 0001587507 Pattern Energy Group Holdings GP LLC 712 FIFTH AVENUE 19TH FLOOR NEW YORK NY 10019 0 0 1 0 Class A Common Stock 2014-12-31 4 C 0 15407808 0 A 15407808 I See Footnotes Class A Common Stock 5854000 I See Footnotes Class B Common Stock 2014-12-31 4 C 0 15407808 0 D Class A Common Stock 0 0 I See Footnotes Held of record by Pattern Renewables LP. Pattern Renewables GP LLC is the general partner of Pattern Renewables LP. Pattern Energy Group LP is the sole member of Pattern Renewables GP LLC. Pattern Energy GP LLC is the general partner of Pattern Energy Group LP. Pattern Energy Group Holdings LP is the managing member of Pattern Energy GP LLC. Pattern Energy Group Holdings GP LLC is the general partner of Pattern Energy Group Holdings LP. R/C Wind II LP is the managing member of Pattern Energy Group Holdings GP LLC. Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. is the general partner of R/C Wind II LP. R/C Renewable Energy GP II, LLC is the managing member of Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. R/C Renewable Energy GP II, LLC is managed by an eight-person investment committee. Pierre F. Lapeyre, Jr., David M. Leuschen, Ralph C. Alexander, Lord John Browne of Madingley, Michael B. Hoffman, Stephen J. Schaefer, Daniel A. D'Aniello and Edward J. Mathias, as the members of the investment committee of R/C Renewable Energy GP II, LLC, may be deemed to share beneficial ownership of the shares beneficially owned by R/C Wind II LP. Such individuals expressly disclaim any such beneficial ownership. Held of record by Pattern Development Finance Company LLC. Pattern Energy Group LP is the sole member of Pattern Development Finance Company LLC. Pattern Energy GP LLC is the general partner of Pattern Energy Group LP. Pattern Energy Group Holdings LP is the managing member of Pattern Energy GP LLC. Pattern Energy Group Holdings GP LLC is the general partner of Pattern Energy Group Holdings LP. R/C Wind II LP is the managing member of Pattern Energy Group Holdings GP LLC. Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. is the general partner of R/C Wind II LP. R/C Renewable Energy GP II, LLC is the managing member of Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. On December 31, 2014, the Issuer's shares of Class B common stock converted into shares of the Issuer's Class A common stock on a one-to-one basis. /s/ Thomas Walker, Authorized Person of R/C Renewable Energy GP II, L.L.C. 2015-01-05 /s/ Daniel M. Elkhort, Vice President of Pattern Energy Group Holdings LP 2015-01-05 /s/ Daniel M. Elkhort, Vice President of Pattern Energy GP LLC 2015-01-05 /s/ Dyann S. Blaine, Vice President of Pattern Energy Group LP 2015-01-05 /s/ Dyann S. Blaine, Vice President of Pattern Renewables GP LLC 2015-01-05 /s/ Dyann S. Blaine, Vice President of Pattern Renewables LP 2015-01-05 /s/ Thomas Walker, Authorized Person of R/C Renewable Energy GP II, L.L.C., sole member of Riverstone/Carlyle Renewable Energy Grant GP, L.L.C. 2015-01-05 /s/ Thomas Walker, Authorized Person of R/C Renewable Energy GP II, L.L.C., sole member of Riverstone/Carlyle Renewable Energy Grant GP, L.L.C., general partner of R/C Wind II LP 2015-01-05 /s/ Thomas Walker, Authorized Person of R/C Renewable Energy GP II, L.L.C., sole member of Riverstone/Carlyle Renewable Energy Grant GP, L.L.C., general partner of R/C Wind II LP, managing member of Pattern Energy Group Holdings GP LLC 2015-01-05