X0508 4 2024-07-28 0001630805 Babcock & Wilcox Enterprises, Inc. BW 0001936636 Riker Christopher S 1200 E. MARKET STREET, SUITE 650 AKRON OH 44305 1 Senior Vice President 0 Common Stock 2024-07-28 4 M 0 16667 1.63 A 94264 D Common Stock 2024-07-28 4 F 0 7558 1.63 D 86706 D Restricted Stock Units 2024-07-28 4 M 0 16667 0 D Common Stock 16667 16667 D Represents shares of common stock withheld by the Issuer pursuant to the terms of the award to pay tax withholding obligations of the Reporting Person upon the vesting of the restricted stock units. Each restricted stock unit (RSU) is granted pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated Long-Term 2021 Incentive Plan and represents a contingent right to receive one share of BW common stock. RSUs vest in three annual installments beginning July 28, 2023. /s/ John J. Dziewsiz, attorney-in-fact for Christopher S. Riker 2024-07-30