SMITH A O CORP — Director's Dealing 2006

Feb 28, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2006-02-27

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-02-27	Common Stock	M	6300	$27.25	Acquired	18097	Direct
2006-02-27	Common Stock	M	9700	$18.313	Acquired	27797	Direct
2007-02-27	Common Stock	S	400	$46.75	Disposed	27397	Direct
2006-02-27	Common Stock	S	1100	$46.76	Disposed	26297	Direct
2006-02-27	Common Stock	S	1600	$46.77	Disposed	24697	Direct
2006-02-27	Common Stock	S	700	$46.78	Disposed	23997	Direct
2006-02-27	Common Stock	S	500	$46.79	Disposed	23497	Direct
2006-02-27	Common Stock	S	1400	$46.80	Disposed	22097	Direct
2006-02-27	Common Stock	S	1500	$46.81	Disposed	20597	Direct
2006-02-27	Common Stock	S	300	$46.83	Disposed	20297	Direct
2006-02-27	Common Stock	S	600	$46.84	Disposed	19697	Direct
2006-02-27	Common Stock	S	400	$46.85	Disposed	19297	Direct
2006-02-27	Common Stock	S	900	$46.87	Disposed	18397	Direct
2006-02-27	Common Stock	S	3200	$46.88	Disposed	15197	Direct
2006-02-27	Common Stock	S	1700	$46.89	Disposed	13497	Direct
2006-02-27	Common Stock	S	1700	$46.90	Disposed	11797	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-02-27	Employee Stock Options (Right to Buy)	$27.25	M	6300	Disposed	2007-10-07	Common Stock (6300)	Direct
2006-02-27	Employee Stock Options (Right to Buy)	$18.313	M	9700	Disposed	2008-10-06	Common Stock (9700)	Direct

Footnotes

F1: Granted on 10/07/1997 under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a transaction exempt under Rule 16b-3.

F2: 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.