SMITH A O CORP — Director's Dealing 2012

Nov 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2012-11-06

Reporting Person: RETTLER STEVE W (Senior Vice President - CD)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-06	Common Stock	M	13200	$19.003	Acquired	28629	Direct
2012-11-06	Common Stock	S	13200	$61.849	Disposed	15429	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-06	Employee Stock Options (Right to Buy)	$19.003	M	13200	Disposed	2019-02-09	Common Stock (13200)	Direct

Footnotes

F1: The employee stock options were granted on 02/09/2009 under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3. The options became exercisable in three annual installments of 1/3 of the awared starting on 02/09/2010.