X0303 4 2011-04-27 0001274494 FIRST SOLAR, INC. FSLR 0001475991 Zhu James C/O FIRST SOLAR 350 WEST WASHINGTON STREET, SUITE 600 TEMPE AZ 85281-1244 1 Chief Accounting Officer Common Stock 2011-04-27 4 M 0 1079 0 A 1764 D Common Stock 2011-04-27 4 F 0 300 138.59 D 1464 D Common Stock 2011-04-28 4 M 0 708 0 A 2172 D Common Stock 2011-04-28 4 F 0 197 138.39 D 1975 D Restricted Stock Units 2011-04-27 4 M 0 1079 0 D Common Stock 1079 3236 D Restricted Stock Units 2011-04-28 4 M 0 708 0 D Common Stock 708 1417 D Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on April 27, 2009. Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of the restricted stock units. Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on April 28, 2008. Each restricted stock unit represents the right to receive, upon vesting, one share of the Issuer's common stock in accordance with the Issuer's Amended and Restated 2006 Omnibus Incentive Compensation Plan. The restricted stock units were granted on April 27, 2009. The units are scheduled to vest annually from the grant date at a rate of 20% on each of the first three anniversaries of the grant date, with the remaining 40% scheduled to vest on the fourth anniversary of the grant date. The restricted stock units were granted on April 28, 2008. The units are scheduled to vest annually from the grant date at a rate of 20% on each of the first three anniversaries of the grant date, with the remaining 40% scheduled to vest on the fourth anniversary of the grant date. /s/ Peter C. Bartolino, Attorney-in-fact 2011-04-29