GRIFFON CORPORATION SCHEDULES CONFERENCE CALL TO DISCUSS SECOND QUARTER 2005 FINANCIAL RESULTS

Jericho, New York, April 27, 2005 — Griffon Corporation (NYSE:GFF) announced today that it will report second quarter 2005 financial results on May 3, 2005. Griffon will hold a conference call at 4:00 PM EDT on May 3, 2005 to discuss the financial results and the operating strategy of the Company.

The conference call can be accessed by dialing (877) 423-3902. Callers should ask to be connected to Griffon Corporation’s second quarter earnings teleconference. A replay of the call will be available one hour following the call and can be accessed by dialing (800) 642-1687, conference code: 5740620. The replay will be available until 5:00 PM EDT May 17, 2005.

Griffon Corporation -

• is a leading manufacturer and marketer of residential, commercial and industrial garage doors sold to professional installing dealers and major home center retail chains;
• installs and services specialty building products and systems, primarily garage doors, openers, fireplaces and cabinets, for new construction markets through a substantial network of operations located throughout the country;
• is an international leader in the development and production of embossed and laminated specialty plastic films used in the baby diaper, feminine napkin, adult incontinent, surgical and patient care markets; and
• develops and manufactures information and communication systems for government and commercial markets worldwide.