Company: AOS
Filing Date: 2025-02-27
Form Type: DEF 14A
Source: 0001193125-25-037641
Chunk: 7

Company: SMITH A O CORP
Filing Date: 2025-02-27
Form: DEF 14A
Chunk 7
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 The following table shows persons who may be deemed to be beneficial owners (within the meaning of Rule 13d-3under the Securities Exchange Act of 1934) of more than 5% of any class of our stock. Unless otherwise noted, the table reflects beneficial ownership as of December 31, 2024.

| Title of Class       |     | Name and Address of Beneficial Owner                                                       |     | Amount and Nature of Beneficial Ownership |     | Percent of Class |
| Class A Common Stock |     | Smith Family Voting Trust 11270 West Park Place Milwaukee, WI 53224                        |     |                               25,077,3731 |     | 96.88%           |
| Common Stock         |     | The Vanguard Group 100 Vanguard Blvd. Malvern, PA 19355                                    |     |                               14,253,9132 |     | 11.60%           |
| Common Stock         |     | BlackRock, Inc. 55 East 52nd Street New York, NY 10055                                     |     |                               10,074,0343 |     | 8.20%            |
| Common Stock         |     | State Street Corporation State Street Financial Center One Lincoln Street Boston, MA 02111 |     |                                7,415,7704 |     | 6.04%            |

| 1 | The Smith Family Voting Trust (the “Voting Trust”) owned 25,077,373 shares of Class A Common Stock and 1,093,579 shares of Common Stock as of December 31, 2024. Pursuant to our Restated Certificate of Incorporation, Class A Common Stock is convertible at any time at the option of the holder into Common Stock on a share-for-share basis. As a result, a holder of shares of Class A Common Stock is deemed to beneficially own an equal number of shares of Common Stock. However, to avoid overstatement of the aggregate beneficial ownership of both classes of our outstanding capital stock, the shares of Class A Common Stock listed in the table do not include shares of Common Stock that may be acquired upon the conversion of outstanding shares of Class A Common Stock. The trustees of the Voting Trust are Bruce M. Smith, Mark D. Smith and Robert L. Smith. Bruce M. Smith and Robert L. Smith are brothers, and Mark D. Smith is their cousin. The trustees do not have beneficial ownership of shares of Class A Common Stock or Common Stock owned by the