X0306 4 2017-05-11 0001378789 AerCap Holdings N.V. AER 0001450295 den Dikken Wouter Marinus AERCAP HOUSE 65 ST. STEPHEN'S GREEN DUBLIN L2 2 IRELAND true Chief Operating Officer Ordinary Shares 2017-05-11 4 J 0 52389 A 255808 D Ordinary Share Options (Right to Buy) 2.95 2017-05-11 4 H 0 100000 D 2011-12-31 2018-12-11 Ordinary Shares 100000 0 D This form is filed voluntarily. As a foreign private issuer, AerCap Holdings N.V. is exempted from Section 16 of the Exchange Act by Rule 3a12-3. Conversion of fully vested options in exchange for a number of ordinary shares of the issuer in accordance with the Stock Option Conversion Agreement dated May 11, 2017. Each option listed in Table II converted into ordinary shares of the issuer with the number of ordinary shares determined by reference to the excess of the value of an ordinary share on the last trading day prior to the date of such conversion over the applicable exercise price. The Company's payroll tax withholding obligations were met by the retention of a number of ordinary shares with a value equal to the associated wage taxes and social security, resulting in a net issuance of 52,389 ordinary shares. /s/ Wouter Marinus den Dikken 2017-05-11