X0303 4 2011-04-30 1 0001274494 FIRST SOLAR, INC. FSLR 0001381086 Sohn Bruce C/O FIRST SOLAR, INC. 350 WEST WASHINGTON STREET, SUITE 600 TEMPE AZ 85281-1244 1 President, Operations Common Stock 2011-04-30 4 M 0 1896 0 A 29825 D Common Stock 2011-04-30 4 F 0 743 139.57 D 29082 D Common Stock 2011-04-30 4 M 0 3072 0 A 32154 D Common Stock 2011-04-30 4 F 0 1202 139.57 D 30952 D Common Stock 2011-04-30 4 M 0 2409 0 A 33361 D Common Stock 2011-04-30 4 F 0 944 139.57 D 32417 D Common Stock 2011-04-30 4 M 0 3165 0 A 35582 D Common Stock 2011-04-30 4 F 0 1239 139.57 D 34343 D Common Stock 2011-04-30 4 M 0 4000 0 A 38343 D Common Stock 2011-04-30 4 F 0 1566 139.57 D 36777 D Common Stock 2011-04-30 4 M 0 8000 0 A 44777 D Common Stock 2011-04-30 4 F 0 3132 139.57 D 41645 D Restricted Stock Units 2011-04-30 4 M 0 1896 0 D Common Stock 1896 0 D Restricted Stock Units 2011-04-30 4 M 0 3072 0 D Common Stock 3072 0 D Restricted Stock Units 2011-04-30 4 M 0 2409 0 D Common Stock 2409 0 D Restricted Stock Units 2011-04-30 4 M 0 3165 0 D Common Stock 3165 0 D Restricted Stock Units 2011-04-30 4 M 0 4000 0 D Common Stock 4000 0 D Restricted Stock Units 2011-04-30 4 M 0 8000 0 D Common Stock 8000 0 D Represents shares of common stock issued upon accelerated vesting of certain restricted stock units granted on March 22, 2011 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. 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 accelerated vesting of certain restricted stock units granted on March 24, 2010 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. Represents shares of common stock issued upon accelerated vesting of certain restricted stock units granted on April 27, 2009 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. Represents shares of common stock issued upon accelerated vesting of certain restricted stock units granted on April 28, 2008 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. Represents shares of common stock issued upon accelerated vesting of certain restricted stock units granted on August 16, 2007 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. Represents shares of common stock issued upon accelerated vesting of certain restricted stock units granted on July 30, 2007 pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. 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 2010 Omnibus Incentive Compensation Plan. 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 March 22, 2011 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 25% on each of the first four anniversies of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. The restricted stock units were granted on March 24, 2010 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 20% on each of the first three anniversaries of the grant date, and 40% on the fourth anniversary of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. The restricted stock units were granted on April 27, 2009 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 20% on each of the first three anniversaries of the grant date, and 40% on the fourth anniversary of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. The restricted stock units were granted on April 28, 2008 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 20% on each of the first three anniversaries of the grant date, and 40% on the fourth anniversary of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. The restricted stock units were granted on August 16, 2007 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 20% on each of the first three anniversaries of the grant date, and 40% on the fourth anniversary of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. The restricted stock units were granted on July 30, 2007 as part of the Issuer's annual equity grant to executive officers. The units were scheduled to vest annually at a rate of 20% on each of the first three anniversaries of the grant date, and 40% on the fourth anniversary of the grant date. Twelve months of vesting occurred on April 30, 2011, the effective date of the Reporting Person's termination of employment with the Issuer, pursuant to the terms of the Reporting Person's Amended and Restated Employment Agreement. /s/ Peter C. Bartolino, Attorney-in-fact 2011-05-02