GRIFFON CORP — Director's Dealing 2015

May 11, 2015

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: GRIFFON CORP (GFF)
CIK: 0000050725
Period of Report: 2015-04-30

Reporting Person: GAMCO INVESTORS, INC. ET AL (10% Owner)
Reporting Person: GABELLI MARIO J (10% Owner)
Reporting Person: GGCP, INC. (10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4000	Direct
Common Stock	5019	Indirect
Common Stock	6000	Indirect
Common Stock	8000	Indirect

Footnotes

F1: GAMCO Investors, Inc. has less that a 100% interest in this entity; GGCP, Inc. has less than a 100% interest in GAMCO Investors, Inc.; and Mario J. Gabelli has less than a 100% interest in GGCP, Inc. The amount of securities reported as beneficially owned reflects the total amount of securities held by this entity which is greater that the Reporting Persons' indirect pecuniary interests. The Reporting Persons hereby disclaim ownership of these securities in excess of their pecuniary interests.