X0303 4 2009-04-16 0 0001368622 AeroVironment Inc AVAV 0001427155 MacCready Judy C/O AEROVIRONMENT, INC. 181 W. HUNTINGTON DRIVE, SUITE 202 MONROVIA CA 91016 0 0 1 0 Common Stock 2009-04-16 4 S 0 31151 23.52 D 2203428 I See footnote Common Stock 2009-04-17 4 S 0 9400 23.43 D 2194028 I See footnote The price reported represents the weighted average price of shares sold. Shares were sold at varying prices in the range of $23.38 - $23.79. The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities and Exchange Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. The price reported represents the weighted average price of shares sold. Shares were sold at varying prices in the range of $23.40 - $23.53. The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities and Exchange Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. Held by the P. and J. MacCready Living Trust (Restated) March 13, 1997, of which Judith MacCready is the trustee. /s/ Marco Quihuis, Attorney-in-Fact 2009-04-20