X0303 4 2009-10-01 0 0001320947 Diamond Foods Inc DMND 0001333507 Mendes Michael J DIAMOND FOODS, INC. 1050 SOUTH DIAMOND STREET STOCKTON CA 95205 1 1 0 0 President & CEO Common Stock 2009-10-01 4 S 0 93000 31.8592 D 275610 D Common Stock 2009-10-01 4 S 0 55700 32.2383 D 219910 D Common Stock 2009-10-01 4 S 0 1300 33.1239 D 218610 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 24, 2009. That plan is now complete and no additional shares remain to be sold under it. Mr. Mendes has not entered into any other Rule 10b5-1 trading plans to sell additional shares. Shares sold included shares that Mr. Mendes acquired in open market purchases more than a year ago. Mr. Mendes will use all of the funds from the reported sale in connection with his purchase of a home. Represents the aggregate of sales effected on the same day at different prices pursuant to the plan in footnote (1). Represents the weighted average sales price per share. The shares sold at prices ranging from $31.01 to $32.00 per share. Full information regarding the number of shares sold at each separate price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares sold at prices ranging from $32.01 to $33.00 per share. Full information regarding the number of shares sold at each separate price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares sold at prices ranging from $33.01 to $33.42 per share. Full information regarding the number of shares sold at each separate price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. /s/ Michael J. Mendes by Stephen Kim, Attorney-in-Fact 2009-10-05