X0303 4 2010-09-21 0000032604 EMERSON ELECTRIC CO EMR 0001393821 STEEVES FRANK L C/O EMERSON ELECTRIC CO. 8000 W FLORISSANT AVE. ST. LOUIS MO 63136 0 1 0 0 Sr. VP, Secy & Gen. Counsel Common Stock 2010-09-21 4 M 0 21666 30.025 A 43842 D Common Stock 2010-09-21 4 F 0 2953 51.775 D 40889 D Common Stock 2010-09-21 4 S 0 18713 52.4373 D 22176 D Common Stock 526.321 I 401(k) plan Common Stock 1339.175 I 401(k) excess plan Employee stock option (right to buy) 30.025 2010-09-21 4 M 0 21666 D 2010-02-19 2019-02-19 Common Stock 21666 43334 D Exercise of 21,666 non-qualified stock options exempt under Rule 16b-3. Shares withheld for taxes exempt under Rule 16b-3 resulting from non-qualified stock option exercise. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.42 to $52.47. The reporting person undertakes to provide Emerson Electric Co., any security holder of Emerson Electric Co., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote. The options vested on 02/19/2010. The remaining unexercised options vest as follows: 21,667 on each of 02/19/2011 and 02/19/2012. All exercised and unexercised options reported in this Form 4, taken together, vest in three equal annual installments beginning on 02/19/2010. Price is not applicable to stock options received as incentive compensation. /s/ Timothy G. Westman, Attorney-in-Fact for Frank L. Steeves 2010-09-23