Company: AOS
Filing Date: 2025-02-27
Form Type: DEF 14A
Source: 0001193125-25-037641
Chunk: 85

Company: SMITH A O CORP
Filing Date: 2025-02-27
Form: DEF 14A
Chunk 85
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 Follow the instructions to log in and order copies.                              |
| Telephone - Call us free of charge at 866-870-3684 in the U.S. or Canada, using a touch-tone telephone, and follow the instructions to log in and order copies. |
| Email - Send us an email at paper@investorelections.com with “aos Materials Request” in the subject line. The email must include:                               |

| • |     | The 11-digit Control Number located in the box in the upper right-hand corner on the front of this Notice. |

| • |     | Your preference to receive printed materials via mail -or- to receive an email with links to the electronic materials. |

| • |     | If you choose email delivery, you must include your email address. |

| • |     | If you would like this election to apply to delivery of material for all future meetings, write the word “Permanent” and include the last four digits of your Social Security Number or Tax Identification Number in the email. |

<div align='center'>**Important Notice Regarding the Availability of Proxy Materials**</div>

**This Important Notice Regarding the Availability of Proxy Materials (“Notice”) is provided to stockholders in place of the printed materials for the upcoming Stockholders’ Meeting.

Information about the Notice:

The Securities and Exchange Commission has adopted a voluntary rule permitting Internet-based delivery of proxy materials. Companies can now send Notices, rather than printed proxy materials to stockholders. This may help lower mailing, printing and storage costs for the company, while minimizing environmental impact. This Notice contains specific information regarding the meeting, proposals and the Internet site where the proxy materials may be found.

To view the proxy materials online:

Please refer to the instructions in this Notice on how to access and view the proxy materials online, including the Proxy Card, Proxy Statement and Annual Report.

To receive paper copies of the proxy materials:

Please refer to the instructions in this Notice on how to request hard copies of proxy materials via telephone, email or Internet.**

<div align='center'>**Directions to Annual Meeting of Stockholders on April 8, 2025:**</div>

| Location:   |     | National Association of Manufacturers 733 10th Street NW, Suite 700 Washington, D.C.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Directions: |     | From Ronald Reagan Washington National Airport in Arlington, Virginia. Proceed north on the GW Parkway to merge onto I-395 North (to Washington DC), proceed across the bridge and stay in the lane for