SMITH A O CORP — Director's Dealing 2004

Sep 30, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2004-09-29

Reporting Person: O TOOLE ROBERT J (Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-09-29	Common Stock	M	86700	$17.2067	Acquired	457870	Direct
2004-09-29	Common Stock	F	70552	$24.00	Disposed	387318	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-09-29	Employee Stock Options (Right to Buy)	$17.2067	M	86700	Disposed	2004-10-11	Common Stock (86700)	Direct

Footnotes

F1: Granted on 10/11/1994 under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a transaction exempt under Rule 16b-3.