BW

SEC source: 0001127602-23-022555 · form4.xml · nonDerivative · entry 3

Dziewisz John J · CIK 0001801550 · General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,506

F1 · shares: Represenss 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 RSUs.

SEC source: 0001127602-23-022555 · form4.xml · nonDerivative · entry 2

Dziewisz John J · CIK 0001801550 · General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,843

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-022561 · form4.xml · derivative · entry 3

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 33,333 shares

Expires 2024-08-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to the Babcock & Wilcox Enterprises, Inc. 2021 Long-Term Incentive Plan, each restricted stock unit represents a contingent right to receive one share of BW common stock.

F3 · derivative.exercise_date: RSUs vest annually in three equal installments beginning on August 11, 2022.

SEC source: 0001127602-23-022561 · form4.xml · nonDerivative · entry 2

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 551,730

F1 · shares: 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.

SEC source: 0001127602-23-022561 · form4.xml · nonDerivative · entry 1

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 564,343

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-022559 · form4.xml · derivative · entry 4

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2024-08-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: RSUs vest in three installments beginning August 11, 2022.

SEC source: 0001127602-23-022559 · form4.xml · nonDerivative · entry 3

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,399

F1 · shares: 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.

SEC source: 0001127602-23-022559 · form4.xml · nonDerivative · entry 2

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,934

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-022557 · form4.xml · derivative · entry 3

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 33,333 shares

Expires 2024-08-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to the Babcock & Wilcox Enterprises, Inc. 2021 Long-Term Incentive Plan, each restricted stock unit represents a contingent right to receive one share of BW common stock.

F3 · derivative.exercise_date: RSUs vest annually in three equal installments beginning on August 11, 2022.

SEC source: 0001127602-23-022557 · form4.xml · nonDerivative · entry 2

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 442,632

F1 · shares: 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 RSUs.

SEC source: 0001127602-23-022557 · form4.xml · nonDerivative · entry 1

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 457,915

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021659 · form4.xml · derivative · entry 5

Buckler Joseph T · CIK 0001936569 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 16,666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F4 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021659 · form4.xml · nonDerivative · entry 4

Buckler Joseph T · CIK 0001936569 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,340

F2 · shares: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

SEC source: 0001127602-23-021659 · form4.xml · nonDerivative · entry 3

Buckler Joseph T · CIK 0001936569 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,340

F1 · shares: 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 unit.

SEC source: 0001127602-23-021659 · form4.xml · nonDerivative · entry 2

Buckler Joseph T · CIK 0001936569 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,898

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021662 · form4.xml · derivative · entry 4

Dziewisz John J · CIK 0001801550 · General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,667

Underlying: Common Stock · 23,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F3 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021662 · form4.xml · nonDerivative · entry 3

Dziewisz John J · CIK 0001801550 · General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 171,843

F1 · shares: Represenss 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 RSUs.

SEC source: 0001127602-23-021662 · form4.xml · nonDerivative · entry 2

Dziewisz John J · CIK 0001801550 · General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,424

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021669 · form4.xml · derivative · entry 3

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,334

Underlying: Common Stock · 31,666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F3 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021669 · form4.xml · nonDerivative · entry 2

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 531,010

F1 · shares: 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.

SEC source: 0001127602-23-021669 · form4.xml · nonDerivative · entry 1

Salamone Louis Jr · CIK 0001360840 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 542,969

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021672 · form4.xml · derivative · entry 3

Young Kenneth M · CIK 0001365572 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F3 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021672 · form4.xml · nonDerivative · entry 1

Young Kenneth M · CIK 0001365572 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,333

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021667 · form4.xml · derivative · entry 4

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 16,666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F3 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021667 · form4.xml · nonDerivative · entry 3

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,934

F1 · shares: 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.

SEC source: 0001127602-23-021667 · form4.xml · nonDerivative · entry 2

Riker Christopher S · CIK 0001936636 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,492

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-021665 · form4.xml · derivative · entry 3

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,667

Underlying: Common Stock · 33,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: RSUs vest in three annual installments beginning July 28, 2023.

F3 · derivative.expiration_date: RSUs vest in three annual installments beginning July 28, 2023.

SEC source: 0001127602-23-021665 · form4.xml · nonDerivative · entry 2

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 424,582

F1 · shares: 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 RSUs.

SEC source: 0001127602-23-021665 · form4.xml · nonDerivative · entry 1

Morgan Jimmy B · CIK 0001681626 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,865

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001213900-23-051944 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 519,848

F4 · ownership.direct: Represents shares held directly by Bryant R. Riley.

SEC source: 0001213900-23-051944 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 469,848

F4 · ownership.direct: Represents shares held directly by Bryant R. Riley.

SEC source: 0001213900-23-046979 · ownership.xml · nonDerivative · entry 5

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Eloise Riley

Disclosed balance after: 43,556

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-046979 · ownership.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Susan Riley

Disclosed balance after: 41,935

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-046979 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Charlie Riley

Disclosed balance after: 43,926

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-046979 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Abigail Riley

Disclosed balance after: 43,561

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-046979 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 419,848

F4 · ownership.direct: Represents shares held directly by Bryant R. Riley.

SEC source: 0001213900-23-045519 · ownership.xml · nonDerivative · entry 5

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Eloise Riley

Disclosed balance after: 38,306

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-045519 · ownership.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Susan Riley

Disclosed balance after: 36,317

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-045519 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Charlie Riley

Disclosed balance after: 38,311

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-045519 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bryant R. Riley, as UTMA custodian for Abigail Riley

Disclosed balance after: 38,461

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), BRF Investments, LLC, a Delaware corporation ("BRFI"), and Bryant R. Riley.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS and BRFI. Each of BRF, BRS, BRFI, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-23-045519 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

BRF Investments, LLC · CIK 0001880803 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 401,431

F4 · ownership.direct: Represents shares held directly by Bryant R. Riley.

SEC source: 0001127602-23-016470 · form4.xml · derivative · entry 5

Howe Alan B · CIK 0001296812 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,964

Underlying: Common Stock · 16,964 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F4 · derivative.exercise_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

F4 · derivative.expiration_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016470 · form4.xml · derivative · entry 4

Howe Alan B · CIK 0001296812 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,273 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

F3 · derivative.expiration_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016470 · form4.xml · nonDerivative · entry 1

Howe Alan B · CIK 0001296812 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,959

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-016477 · form4.xml · derivative · entry 3

Tato Joseph A · CIK 0001823397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,964

Underlying: Common Stock · 16,964 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

F3 · derivative.expiration_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016477 · form4.xml · derivative · entry 2

Tato Joseph A · CIK 0001823397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,273 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

F2 · derivative.expiration_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016477 · form4.xml · nonDerivative · entry 1

Tato Joseph A · CIK 0001823397 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,303

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-016475 · form4.xml · derivative · entry 3

Stahl Rebecca L · CIK 0001823445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,964

Underlying: Common Stock · 16,964 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

F3 · derivative.expiration_date: Vests May 18, 2024 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016475 · form4.xml · derivative · entry 2

Stahl Rebecca L · CIK 0001823445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,273 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Pursuant to Babcock & Wilcox Enterprises, Inc. Amended and Restated 2021 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

F2 · derivative.expiration_date: Vests May 19, 2023 or date of next Annual Meeting, whichever is earlier.

SEC source: 0001127602-23-016475 · form4.xml · nonDerivative · entry 1

Stahl Rebecca L · CIK 0001823445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,978

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.