X0303 4 2011-02-01 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 2011-02-01 4 M 0 3627 20.00 A 6209 D Common Stock 2011-02-01 4 S 0 400 154.62 D 5809 D Common Stock 2011-02-01 4 S 0 727 155.32 D 5082 D Common Stock 2011-02-01 4 S 0 900 156.74 D 4182 D Common Stock 2011-02-01 4 S 0 1600 157.14 D 2582 D Non-Qualified Stock Options (Right to Buy) 20.00 2011-02-01 4 M 0 3627 0 D 2013-11-16 Common Stock 3627 15396 D 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 $153.97 to $154.96. 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 $154.98 to $155.91. 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 $156.07 to $157.06. 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 $157.07 to $157.21. The price reported above reflects the weighted average sale price for the transactions reported on this line. A total of 3,627 shares were sold on this date in multiple transactions at prices ranging from $153.97 to $157.21, with a total weighted average sale price of $156.40. 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. This option to purchase 217,644 shares was granted on November 16, 2006. The option vested with respect to 43,528 of the underlying shares on June 5, 2007, and has vested or will vest ratably each month during the 48 month period thereafter, subject to the reporting person's continued employment with the Issuer. /s/ Peter C. Bartolino, Attorney-in-fact 2011-02-03