SMITH A O CORP — Director's Dealing 2005

Oct 27, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2005-10-26

Reporting Person: RETTLER STEVE W (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-10-26	Common Stock	M	9700	$18.313	Acquired	16950	Direct
2005-10-26	Common Stock	M	20900	$13.563	Acquired	37850	Direct
2005-10-26	Common Stock	S	30600	$31.528	Disposed	7250	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-10-26	Employee Stock Option (Right to Buy)	$18.313	M	9700	Disposed	2008-10-06	Common Stock (9700)	Direct
2005-10-26	Employee Stock Option (Right to Buy)	$13.563	M	20900	Disposed	2010-10-10	Common Stock (20900)	Direct

Footnotes

F1: Granted on 10/06/1998 under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a transaction exempt under Rule 16b-3.

F2: Granted on 10/10/2000 under the A. O. Smith Corporation Long-Term Executive Incentive Compensation Plan, a transaction exempt under Rule 16b-3.