Exhibit 12.1

CERTIFICATION

I, Aengus Kelly, certify that:

1.
I have reviewed this Amendment No. 1 to the annual report on Form 20-F of AerCap Holdings N.V.;

2.
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Date: May 17, 2022

/s/ Aengus Kelly
Signature
 
Aengus Kelly
Chief Executive Officer