X0306 4 2021-08-13 0001630805 Babcock & Wilcox Enterprises, Inc. BW 0001801550 Dziewisz John J 1200 EAST MARKET STREET AKRON OH 44305 1 SVP & Corp. Secy. Common Stock 2021-08-13 4 M 0 13333 7.78 A 136638 D Common Stock 2021-08-13 4 F 0 6046 7.78 D 130592 D Common Stock 2021-08-17 4 S 0 25000 7.183 D 105592 D Restricted Stock Unit 0 2021-08-13 4 M 0 13333 0 D 2022-08-13 Common Stock 13333 13334 D RSUs vest in three equal installments beginning on August 13, 2020. Represents the share price weighted average. Pursuant to the Babcock & Wilcox Enterprises, Inc. Amended and Restated 2015 Long-Term Incentive Plan each restricted stock unit represents a contingent right to receive one share of BW common stock. RSUs vest in three installments beginning on August 13, 2020. /s/ John J. Dziewisz 2021-08-17