SMITH A O CORP — Director's Dealing 2005

Apr 27, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2005-04-26

Reporting Person: KITA JOHN J (V.P., Treasurer & Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-04-26	Common Stock	M	5750	$16.667	Acquired	17547	Direct
2005-04-26	Common Stock	M	10350	$16.333	Acquired	27897	Direct
2005-04-26	Common Stock	S	16100	$29.2651	Disposed	11797	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-04-26	Common Stock	$16.667	M	5750	Disposed	2005-10-10	Common Stock (5750)	Direct
2005-04-26	Common Stock	$16.333	M	10350	Disposed	2006-10-08	Common Stock (10350)	Direct

Footnotes

F1: Options were granted under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a Rule 16b-3 Plan.