X0508 4 2026-02-23 0 0001309108 WEX Inc. WEX 0001317498 Smith Melissa D C/O WEX INC. 1 HANCOCK STREET PORTLAND ME 04101 1 1 0 0 Chair, CEO, and President 0 Common Stock 2026-02-23 4 A 0 8901 151.67 A 86719 D Common Stock 2026-02-23 4 F 0 2971 151.67 D 83748 D Common Stock 18277 I By husband Common Stock 1693 I FBC Irrevocable Trust Common Stock 1692 I BDC Irrevocable Trust Common Stock 1693 I GMC Irrevocable Trust Common Stock 14809 I Melissa D. Smith 2024 Trust Common Stock 42274 I Melissa D. Smith 2025 Trust Represents fully vested shares of WEX Inc. ("WEX") common stock granted in lieu of cash under WEX's 2025 short-term incentive plan for services performed in 2025 and issued pursuant to WEX's Amended and Restated 2019 Equity and Incentive Plan. Reflects distribution of 18,910 shares of common stock in accordance with the terms of the trust on August 27, 2025, from the Melissa D. Smith 2024 Trust, which are now directly held by the reporting person. Reflects contribution of 42,274 shares of common stock that were previously directly owned but were contributed to a trust for the benefit of Ms. Smith's children on November 14, 2025. Represents the number of shares automatically withheld by WEX for the payment of taxes in connection with the grant of common stock on February 23, 2026. This trust was first described in a Form 4 filed by the reporting person on 06/28/2022. This trust was first described in a Form 4 filed by the reporting person on 03/18/2025. /s/ Matthew Finkelstein, as attorney in-fact for Melissa D. Smith 2026-02-25