Company: AOS
Filing Date: 2025-02-27
Form Type: DEF 14A
Source: 0001193125-25-037641
Chunk: 84

Company: SMITH A O CORP
Filing Date: 2025-02-27
Form: DEF 14A
Chunk 84
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26, 2025, to facilitate timely delivery.**

#### Admission to the Annual Meeting
**All stockholders must pre-register in order to attend the Annual Meeting of Stockholders of A. O. Smith Corporation. To pre-register, please contact us by email at jstern@aosmith.com or by telephone at 414-359-4000 and provide your name, address, telephone number and indicate your request to attend. We will respond to all pre-registration requests and will maintain a list of verified stockholders at the Annual Meeting. In addition to ownership confirmation, you must also present a government-issued photo identification showing your name, address and signature for admission. Annual Meeting pre-registration requests must be received by the end of business on Friday, April 4, 2025.**

<div align='center'>**Matters intended to be acted upon at the meeting are listed below.**</div>

**The Board of Directors recommends that you vote FOR proposals 1, 2 and 3, and AGAINST proposal 4:**

| 1. | Election of our directors; |

| 2. | Approve, by non-binding advisory vote, the compensation of our named executive officers; |

| 3. | Ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm; and |

| 4. | Stockholder proposal requesting a Board report on our hiring practices with respect to formerly incarcerated people, if properly presented at the Annual Meeting. |

### THIS IS NOT A FORM FOR VOTING
<div align='center'>**You may immediately vote your proxy on the Internet at:**</div>

#### www.proxypush.com/aos
| • |     | Use the Internet to vote your proxy 24 hours a day, 7 days a week, until 11:59 p.m. (EDT) on April 7, 2025.                                   |
|:--|:----|:----------------------------------------------------------------------------------------------------------------------------------------------|
| • |     | Please have this Notice available. Follow the instructions to vote your proxy.                                                                |
|   |     | Your Internet vote authorizes the Named Proxies to vote your shares in the same manner as if you marked, signed and returned your Proxy Card. |

<div align='center'>To request paper copies of the proxy materials, which include the Proxy Card,
Proxy Statement and Annual Report, please contact us via:</div>

| Internet/Mobile - Access the Internet and go to www.investorelections.com/aos.