X0306 4 2015-08-24 0 0000885074 AUTHENTIDATE HOLDING CORP ADAT 0001645128 Henry William Patrick AUTHENTIDATE HOLDING CORP. 300 CONNELL DRIVE, FIFTH FLOOR BERKELEY HEIGHTS NJ 07922 1 1 0 0 Interim Chief Strategy Officer Stock Options 0.25 2015-08-24 4 A 0 475000 0.00 A 2015-08-24 2025-08-24 Common Stock 475000 475000 D Stock Options 0.25 2015-08-24 4 A 0 125000 0.00 A 2015-09-24 2025-08-24 Common Stock 125000 125000 D Represents a grant of stock options under the issuer's 2011 Omnibus Equity Incentive Plan in accordance with the terms of an employment agreement entered into between the issuer and the Reporting Person dated August 24, 2015. Subject to vesting in accordance with the terms of the employment agreement between the issuer and the Reporting Person. The exercisability of this option is subject to shareholder approval of a share increase under the Company's 2011 Omnibus Equity Incentive Plan. /s/ William P. Henry 2015-08-26