Company: AOS
Filing Date: 2025-02-27
Form Type: DEF 14A
Source: 0001193125-25-037641
Chunk: 89

Company: SMITH A O CORP
Filing Date: 2025-02-27
Form: DEF 14A
Chunk 89
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 joint tenancy, all persons should sign. Trustees, administrators, etc. should include title and authority. Corporations should provide full name of corporation and title of authorized officer signing the Proxy. |     |       |     |                                     |     |           |

### ANNUAL MEETING OF STOCKHOLDERS

#### Tuesday, April 8, 2025

#### 8:00 a.m. Eastern Daylight Time (EDT)

#### A. O. SMITH CORPORATION

#### PROXY – CLASS A COMMON STOCK
<div align='center'>**This Proxy is Solicited on Behalf of the Board of Directors**</div>

The undersigned hereby appoints KEVIN J. WHEELER, CHARLES T. LAUBER and JAMES F. STERN, or any one of them, with full power of substitution, as proxy or proxies of the undersigned to attend the Annual Meeting of Stockholders of A. O. Smith Corporation to be held at the National Association of Manufacturers, 733 10th Street NW, Suite 700, Washington, D.C., on April 8, 2025, at 8:00 a.m. (EDT), or at any adjournment thereof, and to vote all shares of Class A Common Stock which the undersigned would be entitled to vote if personally present as specified upon the following matters and in their discretion upon such other matters as may properly come before the meeting.

<div align='center'>**This proxy when properly executed will be voted in the manner directed herein by the undersigned.

If no direction is made, this proxy will be voted FOR proposals 1, 2 and 3,**</div>

#### and AGAINST proposal 4.
<div align='center'>**PLEASE VOTE BY INTERNET OR TELEPHONE OR MARK, SIGN, DATE

AND RETURN THE PROXY CARD PROMPTLY USING THE ENCLOSED ENVELOPE.

See reverse for voting instructions.**</div>