X0609 4 2026-10-08 0 0000046619 HEICO CORP HEI, HEI.A 0001031082 MENDELSON VICTOR H false 825 BRICKELL BAY DRIVE, SUITE 1644 MIAMI FL 33131 1 1 0 1 Co-COB and Co-CEO Member of 10% owner group 0 Common Stock 1274308 D Class A Common Stock 212626 D Class A Common Stock 189030 I Owned by Corporation Common Stock 172515 I Owned by Partnership Common Stock 4762 I As custodian for children Class A Common Stock 19136 I As custodian for children Common Stock 93235 I By 401(k) Class A Common Stock 88487 I By 401(k) Common Stock 921 I By Keogh Account Class A Common Stock 16133 I By Keogh Account Common Stock 570852 I By Trusts Class A Common Stock 137199 I By Trusts Common Stock 28819 I By Trusts Class A Common Stock 8465 I By Trusts Common Stock 4072 I By 409A Plan Class A Common Stock 2026-10-08 4 P 0 795 220.3043 A 795 I By 409A Plan Represents shares owned by Mendelson International Corporation whose stock is owned solely by the Reporting Person and Eric Mendelson, the brother of the Reporting Person. Represents shares owned by VHM Management Limited Partners, a partnership whose sole general partner is a corporation controlled by the Reporting Person. Represents shares held for the benefit of the Reporting Person by the HEICO Corporation 401(k), based on a plan statement dated October 8, 2026. Represents shares gifted by the Reporting Person to trusts for the benefit of the Reporting Person's immediate family members and whose Trustee is the Reporting Person. Represents shares owned by the Victor H. Mendelson Revocable Investment Trust which is owned solely by the Reporting Person. Represents shares held for the reporting person by the HEICO Corporation Leadership Compensation Plan (409A Plan). /s/ Victor H. Mendelson 2026-10-13