GREENE COUNTY BANCORP INC — Director's Dealing 2012

May 4, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GREENE COUNTY BANCORP INC (GCBC)
CIK: 0001070524
Period of Report: 2012-05-04

Reporting Person: Gibson Donald E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-04	Common Stock	M	1000	$12.50	Acquired	11000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-04	Stock Options	$12.50	M	1000	Disposed	2018-08-19	Common Stock (1000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6745	Indirect
Common Stock	300	Indirect
Common Stock	860	Indirect