Company Update

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 June 26, 2025 Date of Report (Date of earliest event reported) AZZ Inc. (Exact name of Registrant as specified in its charter) Texas 1-12777 75-0948250 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) One Museum Place, Suite 500 3100 West 7th Street Fort Worth , Texas 76107 (Address of principal executive offices) (Zip Code) ( 817 ) 810-0095 (Registrant’s telephone number, including area code) Not applicable (Former name or former address, if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class    Trading Symbol Name of each exchange on which registered Common Stock    AZZ New York Stock Exchange Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 8.01 Other Events. On June 26, 2025, AZZ Inc. (the "Company") issued a press release announcing that the Board of Directors voted to increase the Company's fiscal year 2026 first quarter cash dividend from $0.17 to $0.20 per share on the Company's outstanding shares of common stock, representing a 17.6% increase. The dividend is payable on July 31, 2025, to shareholders of record as of the close of business on July 10, 2025. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. The following exhibit is filed as part of this report. Exhibit Description 99.1 Press release issued by AZZ Inc., dated June 26, 2025. 104 Cover Page Interactive Date File (embedded with the Inline XBRL document). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. AZZ Inc. Date: June 26, 2025 By: /s/ Tara D. Mackey Tara D. Mackey Chief Legal Officer and Secretary