The Board of Directors of Griffon Corporation (NYSE:GFF) (the "Company" or "Griffon") yesterday declared a regular quarterly cash dividend of $0.22 per share. The dividend is payable on June 17, 2026 to shareholders of record as of the close of business on May 29, 2026.

About Griffon Corporation

Griffon Corporation is a leading provider of residential and commercial building products. The Company is the largest North American manufacturer and marketer of garage doors under the Clopay, IDEAL and Holmes brands, and rolling steel door and grille products under the Clopay, Cornell, and Cookson brands. The Company is also a leading provider of residential, industrial, and commercial ceiling fans sold under the Hunter, Casablanca, and Jan Fan brands.

The AMES North America, Australia, and United Kingdom businesses are classified as discontinued operations.

For more information on Griffon, please see the Company's website at www.griffon.com.

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Company Contact:

Brian G. Harris

EVP & Chief Financial Officer

Griffon Corporation

(212) 957-5000

IR@griffon.com

Investor Relations Contact:

Tom Cook

Managing Director

ICR Inc.

(203) 682-8250