SMITH A O CORP — Director's Dealing 2005

Aug 19, 2005

SEC Form 4/A — Form 4/A

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2005-08-15

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-08-15	Common Stock	M	92100	$16.667	Acquired	437148	Direct
2005-08-15	Common Stock	S	71299	$28.02	Disposed	365849	Direct
2005-08-15	Common Stock	F	16477	$28.02	Disposed	349372	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-08-15	Employee Stock Options (Right to Buy)	$16.667	M	92100	Disposed	2005-10-10	Common Stock (92100)	Direct

Footnotes

F1: Granted on 10/10/1995 under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a transaction exempt under Rule 16b-3.