SMITH A O CORP — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2017-05-10

Reporting Person: Lauber Charles T (SVP, Strategy & Corporate Dev.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-10	Common Stock	S	1587	$54.3672	Disposed	23980	Direct
2017-05-10	Common Stock	S	2400	$54.3441	Disposed	21580	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-10	Employee Stock Options (Right to Buy)	$23.235	M	2400	Disposed	2024-02-10	Common Stock (2400)	Direct

Footnotes

F1: The employee stock options were granted on 02/10/2014 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 award starting on 02/14/2015.