X0303 4 2010-07-30 0001274494 FIRST SOLAR, INC. FSLR 0001476987 Eaglesham David J C/O FIRST SOLAR, INC. 350 WEST WASHINGTON STREET, SUITE 600 TEMPE AZ 85281 1 Chief Technology Officer Common Stock 2010-07-30 4 M 0 1100 0 A 3044 D Common Stock 2010-07-30 4 F 0 462 125.45 D 2582 D Common Stock 2010-08-02 4 M 0 10881 20.00 A 13463 D Common Stock 2010-08-02 4 S 0 2500 125.87 D 10963 D Common Stock 2010-08-02 4 S 0 8081 126.47 D 2882 D Common Stock 2010-08-02 4 S 0 300 127.24 D 2582 D Restricted Stock Units 2010-07-30 4 M 0 1100 0 D Common Stock 1100 2200 D Non-Qualified Stock Options (Right to Buy) 20.00 2010-08-02 4 M 0 10881 0 D 2013-11-16 Common Stock 10881 37158 D Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on July 30, 2007. Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of the restricted stock units. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person. This transaction was executed in multiple trades at prices ranging from $125.17 to $126.16. The price reported above reflects the weighted average sale price for the transactions reported on this line. This transaction was executed in multiple trades at prices ranging from $126.17 to $127.07. The price reported above reflects the weighted average sale price for the transactions reported on this line. This transaction was executed in multiple trades at prices ranging from $127.18 to $127.34. The price reported above reflects the weighted average sale price for the transactions reported on this line. A total of 10,881 shares were sold on this date in multiple transactions at prices ranging from $125.17 to $127.34, with a total weighted average sale price of $126.36. The reporting person undertakes to provide upon request by the staff of the SEC, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. 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 Plan. The restricted stock units were granted on July 30, 2007 as part of the Issuer's annual equity grant to executive officers. 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 option was granted on November 16, 2006. The option becomes exercisable with respect to 3,627 shares monthly until June 1, 2011. /s/ Peter C. Bartolino, Attorney-in-fact 2010-08-03