Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Your Vote Counts! BABCOCK & WILCOX ENTERPRISES, INC. 1200 EAST MARKET STREET, SUITE 650 AKRON, OHIO 44305 BABCOCK & WILCOX ENTERPRISES, INC. You invested in BABCOCK & WILCOX ENTERPRISES, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on May 18, 2023. Vote Virtually at the Meeting* May 18, 2023 10:30 a.m. Eastern Time Virtually at: www.virtualshareholdermeeting.com/BW2023 *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number V1.1 For complete information and to vote, visit www.ProxyVote.com Control # V05278-P87891 Get informed before you vote View the Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 4, 2023. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. 2023 Annual Meeting Vote by May 17, 2023 11:59 PM ET. For shares held in a Plan, vote by May 16, 2023 11:59 PM ET.

THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. Voting Items Board Recommends V05279-P87891 1. Approval of amendment to Certificate of Incorporation to declassify Board of Directors and provide for annual elections of all directors beginning in 2025. 2a. Alan B. Howe 2b. Rebecca L. Stahl 3a. Alan B. Howe 3b. Rebecca L. Stahl 4. Approval of amendment to Certificate of Incorporation to remove provisions requiring affirmative vote of at least 80% of voting power for certain amendments to the Company’s Certificate of Incorporation and Bylaws. 5. Ratification of Appointment of Deloitte & Touche LLP as Independent Registered Public Accounting Firm for the year ending December 31, 2023. 6. Approval, on a non-binding advisory basis, of executive compensation. For For For For For For For For For 7. Approve an amendment to the Company’s Certificate of Incorporation to provide for the exculpation of officers as permitted by the Delaware General Corporation Law. 2. If proposal 1 is approved, the election of the nominees listed as Class I directors for a term of two years: 3. If proposal 1 is not approved, the election of the nominees listed as Class II directors for a term of three years: Nominees: Nominees:

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