f Registrant’s Common Equity,Related Stockholder Matters and IssuerPurchases of Equity Securities

ITEM 5 – MARKET FOR REGISTRANT’S COMMON EQU Q ITY, RELATED STOCKHOLDERMATTERS AND ISSUER PURCHASES OF EQUQ ITY SECURITIES

(a) Market Information. Our Common Stock is listed on the New York Stock Exchange under the symbol AOS. Our Class A Common Stock is not listed. EQ Shareowner Services, P.O. Box 64874, St. Paul, Minnesota, 55164-0874 serves as the registrar, stock transfer agent and the dividend reinvestment agent for our Common Stock and Class A Common Stock.

(b) Holders. As of January 31, 2022, the approximate number of stockholders of record of Common Stock and Class A Common Stock were 552 and 146, respectively. The actual number of stockholders is greater than this number of holders of record, and includes stockholders who are beneficial owners, but whose shares are held in street name by brokers and other nominees. This number of stockholders of record also does not include stockholders whose shares may be held in trustby other entities. (c) Dividends. Dividends declared on the common stock are shown in Note 11 of Notes to Consolidated Financial Statements appearing elsewhere herein. (d) Stock Repurchasesp . In 2021, the Board of Directors approved adding 7,000,000 shares of Common Stock to an existing discretionary share repurchase authority. Under the share repurchase program, the Common Stock may be purchased through a combination of Rule 10b5-1automatic trading plan and discretionary purchases in accordance withapplicable securities laws. The number of shares purchased and the timing of the purchases will depend on a number of factors, including share price, trading volume and general market conditions, as wellas working capita al requirements, general business conditions and other factors, including alternative investment opportunities. The stock repurchase authorization remains effective until terminated by our Board of Directors which may occur atany time, subject to the parameters of any Rule 10b5-1automatic trading plan that we may then have in effect. In 2021, we repurchased 5,087,467 shares at an average price of $72.03per share and at a total cost of $366.5 million. As of December 31, 2021, there were 3,526,357 shares remaining on the existing repurchase authorization. After a blackout period on share repurchase activity in the third quarter of 2021 related to the Giant acquisition, we resumed our repurchases in early November. On January 25, 2022, the Board of Directors approvedadding 3,500,000 shares of common stock to the existing discretionary share repurchase authority. Including the additional shares, we have approximately 6.8 million shares availablea for repurchase as of the date of the Board of Directors'approval. We intend to spendapproximately $400 million to repurchase Common Stock in 2022 through a combination of 10b5-1plans and open market purchases. (e) Performance Graph p . The following information in this Item 5 of this Annual Report on Form 10-K is not deemed to be “soliciting material” or to be “filed” with the SEC or subject to Regulation 14A or 14C under the Securities Exchange Act of 1934 or to the liabilities of Section 18 of the Securities Exchange Act of 1934, and will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent we specifically incorporate it by reference into such a filing.