Tranche Update on Griffon Corporation's Equity Buyback Plan announced on August 3, 2016.

Griffon Corporation is a diversified management and holding company. The Company owns and operates, and seeks to acquire, businesses in multiple industries and geographic markets. The Company's Home and Building Products (HBP) conducts its operations through Clopay Corporation (Clopay). Clopay is a manufacturer and marketer of garage doors and rolling steel doors in North America. Its residential and commercial sectional products are sold under brands including Clopay, Americas Favorite Garage Doors, Holmes Garage Door Company and IDEAL Door. The Company’s Consumer and Professional Products (CPP) segment is a global provider of branded consumer and professional tools; residential, industrial and commercial fans; home storage and organization products; and products that enhance indoor and outdoor lifestyles. CPP sells products globally through a portfolio of brands including AMES, Hunter, True Temper, and ClosetMaid.