EAF

SEC source: 0000931148-21-000041 · wf-form4_161437704858042.xml · nonDerivative · entry 1

Coburn Quinn J · CIK 0001643036 · CFO, VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,636

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: 0001140361-21-001492 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 127,742,570

F1 · shares: On January 14, 2021, BCP IV GrafTech Holdings LP agreed to sell a total of 20,000,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 127,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP.

F5 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-001493 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 127,742,570

F1 · shares: On January 14, 2021, BCP IV GrafTech Holdings LP agreed to sell a total of 20,000,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 127,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP.

F5 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-001491 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 127,742,570

F1 · shares: On January 14, 2021, BCP IV GrafTech Holdings LP agreed to sell a total of 20,000,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 127,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP.

F5 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000931148-21-000020 · wf-form4_160979823886468.xml · derivative · entry 2

Clegg Catherine L. · CIK 0001771849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,260.9346

Underlying: Common Stock · 3,635.0844 shares

Expires not disclosed

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000020 · wf-form4_160979823886468.xml · derivative · entry 1

Clegg Catherine L. · CIK 0001771849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,625.8502

Underlying: Common Stock · 20.2679 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F1 · derivative.expiration_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000019 · wf-form4_160979822258799.xml · derivative · entry 2

DUNN LESLIE D · CIK 0001236110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,458.8749

Underlying: Common Stock · 1,758.9118 shares

Expires not disclosed

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000019 · wf-form4_160979822258799.xml · derivative · entry 1

DUNN LESLIE D · CIK 0001236110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,699.9631

Underlying: Common Stock · 1.5932 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F1 · derivative.expiration_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000018 · wf-form4_160979820816839.xml · derivative · entry 1

Coburn Quinn J · CIK 0001643036 · CFO, VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,184.1302

Underlying: Common Stock · 12.3563 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

SEC source: 0000931148-21-000017 · wf-form4_160979819200147.xml · derivative · entry 1

Perez Ortiz Inigo · CIK 0001804727 · SVP, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,424.9156

Underlying: Common Stock · 28.5144 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

SEC source: 0000931148-21-000016 · wf-form4_160979817589651.xml · derivative · entry 2

Taccone Anthony R. · CIK 0001738254 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,335.8405

Underlying: Common Stock · 1,934.803 shares

Expires not disclosed

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000016 · wf-form4_160979817589651.xml · derivative · entry 1

Taccone Anthony R. · CIK 0001738254 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,401.0375

Underlying: Common Stock · 15.3712 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F1 · derivative.expiration_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000015 · wf-form4_160979815952437.xml · derivative · entry 2

Acton Brian L. · CIK 0001738354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,671.6808

Underlying: Common Stock · 3,869.606 shares

Expires not disclosed

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000015 · wf-form4_160979815952437.xml · derivative · entry 1

Acton Brian L. · CIK 0001738354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,802.0748

Underlying: Common Stock · 30.7423 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F1 · derivative.expiration_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000014 · wf-form4_160979814420619.xml · derivative · entry 2

Dumas Michel J. · CIK 0001738253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,829.3703

Underlying: Common Stock · 2,227.955 shares

Expires not disclosed

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000014 · wf-form4_160979814420619.xml · derivative · entry 1

Dumas Michel J. · CIK 0001738253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,601.4153

Underlying: Common Stock · 23.0566 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F2 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.exercise_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

F1 · derivative.expiration_date: Additional deferred share units (DSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of DSUs based upon the closing price of EAF, as of the dividend payment date.

F3 · derivative.expiration_date: DSUs are fully vested. Vested deferred share units will be settled in whole shares of common stock which will be delivered to the reporting person as soon as practicable after the reporting person terminates service as a director of the company but in any event no later than the end of the calendar year in which such termination date occurs.

SEC source: 0000931148-21-000013 · wf-form4_160979812800349.xml · derivative · entry 2

Gunning Gina K · CIK 0001510031 · CLO & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,382.4241

Underlying: Common Stock · 25.663 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

SEC source: 0000931148-21-000013 · wf-form4_160979812800349.xml · derivative · entry 1

Gunning Gina K · CIK 0001510031 · CLO & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,575.4777

Underlying: Common Stock · 15.5347 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on March 21, 2020.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on March 21, 2020.

SEC source: 0000931148-21-000012 · wf-form4_160979811347276.xml · derivative · entry 2

Halford Jeremy S. · CIK 0001774948 · SVP, Operations & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,509.8988

Underlying: Common Stock · 34.2173 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

SEC source: 0000931148-21-000012 · wf-form4_160979811347276.xml · derivative · entry 1

Halford Jeremy S. · CIK 0001774948 · SVP, Operations & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,438.6941

Underlying: Common Stock · 38.8366 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on May 1, 2020.

F1 · derivative.expiration_date: Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on May 1, 2020.

SEC source: 0000931148-21-000011 · wf-form4_160979809726384.xml · derivative · entry 3

Rintoul David J. · CIK 0001605779 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,203.9277

Underlying: Common Stock · 80.7909 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each unit represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F5 · derivative.exercise_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

F1 · derivative.expiration_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F5 · derivative.expiration_date: The RSUs vest in five equal annual installments beginning on February 25, 2021.

SEC source: 0000931148-21-000011 · wf-form4_160979809726384.xml · derivative · entry 2

Rintoul David J. · CIK 0001605779 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,158.0412

Underlying: Common Stock · 58.255 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each unit represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.exercise_date: The restricted stock units (RSUs) vest in five equal annual installments beginning on March 21, 2020.

F1 · derivative.expiration_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F4 · derivative.expiration_date: The restricted stock units (RSUs) vest in five equal annual installments beginning on March 21, 2020.

SEC source: 0000931148-21-000011 · wf-form4_160979809726384.xml · derivative · entry 1

Rintoul David J. · CIK 0001605779 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,722.11

Underlying: Common Stock · 20.3581 shares

Expires not disclosed

F1 · derivative.exercise_price: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F2 · derivative.exercise_price: Each unit represents a contingent right to receive one share of EAF common stock.

F1 · derivative.exercise_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.exercise_date: Deferred share units vest on April 19, 2021 and will be settled in whole shares of common stock which will be delivered to the reporting person by the end of the calendar year in which the reporting person terminates employment with the company.

F1 · derivative.expiration_date: Additional units accrued pursuant to dividend equivalent rights with respect to outstanding awards of units based upon the closing price of EAF as of the dividend payment date.

F3 · derivative.expiration_date: Deferred share units vest on April 19, 2021 and will be settled in whole shares of common stock which will be delivered to the reporting person by the end of the calendar year in which the reporting person terminates employment with the company.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 6

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,242,570

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP Canada Holdings Inc. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F8 · balance_after: Following the Sales, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; (ii) 1,789,821 shares of Common Stock held directly by BPE IV (Non-Cdn) GP LP, for itself and as nominee for BCP IV (US Plan) LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP; (iii) 1,885,093 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 3,350,588 shares of Common Stock held directly by Brookfield BBP Canada Holdings Inc.; and (v) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 5

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,373,117

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP (Canada) L.P. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,446,565

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of BPE IV (Non-Cdn) GP LP in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 6

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,242,570

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP Canada Holdings Inc. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F8 · balance_after: Following the Sales, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; (ii) 1,789,821 shares of Common Stock held directly by BPE IV (Non-Cdn) GP LP, for itself and as nominee for BCP IV (US Plan) LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP; (iii) 1,885,093 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 3,350,588 shares of Common Stock held directly by Brookfield BBP Canada Holdings Inc.; and (v) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 5

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,373,117

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP (Canada) L.P. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,446,565

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of BPE IV (Non-Cdn) GP LP in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028522 · form4.xml · nonDerivative · entry 6

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,242,570

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP Canada Holdings Inc. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F8 · balance_after: Following the Sales, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; (ii) 1,789,821 shares of Common Stock held directly by BPE IV (Non-Cdn) GP LP, for itself and as nominee for BCP IV (US Plan) LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP; (iii) 1,885,093 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 3,350,588 shares of Common Stock held directly by Brookfield BBP Canada Holdings Inc.; and (v) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028522 · form4.xml · nonDerivative · entry 5

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,373,117

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP (Canada) L.P. in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028522 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,446,565

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of BPE IV (Non-Cdn) GP LP in multiple transactions at prices ranging from $9.62 to $9.99 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028654 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 147,742,570

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 147,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028654 · form4.xml · nonDerivative · entry 3

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 149,217,068

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028654 · form4.xml · nonDerivative · entry 2

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 152,567,656

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028654 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 154,452,749

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028655 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 147,742,570

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 147,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028655 · form4.xml · nonDerivative · entry 3

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 149,217,068

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028655 · form4.xml · nonDerivative · entry 2

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 152,567,656

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028655 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 154,452,749

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028653 · form4.xml · nonDerivative · entry 4

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 147,742,570

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F2 · balance_after: Following the Offering, consists of (i) 147,742,043 shares of Common Stock held directly by BCP IV GrafTech Holdings LP; and (ii) 527 shares of Common Stock held directly by Brookfield Private Funds Holdings Inc.

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028653 · form4.xml · nonDerivative · entry 3

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 149,217,068

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028653 · form4.xml · nonDerivative · entry 2

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 152,567,656

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028653 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

BROOKFIELD ASSET MANAGEMENT INC. · CIK 0001001085 · Director · 10% owner

Brookfield Capital Partners Ltd. · CIK 0001685158 · Director · 10% owner

BPE IV (Non-Cdn) · CIK 0001738295 · Director · 10% owner

BCP IV GrafTech Holdings L.P. · CIK 0001642338 · Director · 10% owner

Brookfield Business Partners L.P. · CIK 0001654795 · Director · 10% owner

Brookfield Private Equity Group Holdings LP · CIK 0001685157 · Director · 10% owner

Brookfield Private Equity Inc. · CIK 0001685113 · Director · 10% owner

Brookfield Private Equity Holdings LLC · CIK 0001703248 · Director · 10% owner

Brookfield US Inc. · CIK 0001768973 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 154,452,749

F1 · shares: On December 14, 2020, BCP IV GrafTech Holdings LP, BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc. agreed to sell a total of 8,500,000 shares of Common Stock in an underwritten public secondary offering (the "Offering").

F3 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F4 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F5 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F6 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F7 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 3

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,516,301

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP Canada Holdings Inc. in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 2

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,662,715

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP (Canada) L.P. in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028523 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield Private Funds Holdings Inc. · CIK 0001504723 · Director · 10% owner

Brookfield BBP Canadian GP L.P. · CIK 0001819104 · Director · 10% owner

Brookfield Business L.P. · CIK 0001819046 · Director · 10% owner

Brookfield Business Partners Ltd · CIK 0001819045 · Director · 10% owner

BCP IV (US Plan) LP · CIK 0001819076 · Director · 10% owner

BCP IV (UK Plan) LP · CIK 0001819087 · Director · 10% owner

BCP IV (Cdn Plan) LP · CIK 0001819093 · Director · 10% owner

BCP IV Bermuda Investor LP · CIK 0001819102 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,745,090

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of BPE IV (Non-Cdn) GP LP in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 3

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,516,301

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP Canada Holdings Inc. in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 2

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,662,715

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of Brookfield BBP (Canada) L.P. in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-20-028524 · form4.xml · nonDerivative · entry 1

BCP GP Ltd · CIK 0001685160 · Director · 10% owner

Brookfield BBP (Canada) L.P. · CIK 0001819406 · Director · 10% owner

Brookfield BBP Canada Holdings Inc. · CIK 0001819405 · Director · 10% owner

Brookfield CanGP Ltd · CIK 0001819217 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 156,745,090

F1 · shares: The sales reported in this Form 4 (the "Sales") were effected pursuant to a Rule 10b5-1 trading plan adopted by BPE IV (Non-Cdn) GP LP, Brookfield BBP (Canada) L.P. and Brookfield BBP Canada Holdings Inc.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold on behalf of BPE IV (Non-Cdn) GP LP in multiple transactions at prices ranging from $9.65 to $9.93 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F9 · ownership.nature: Brookfield Asset Management Inc., by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F10 · ownership.nature: BPE IV (Non-Cdn) GP LP, Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV GrafTech Holdings LP, may be deemed to share beneficial ownership in the shares held directly by BCP IV GrafTech Holdings LP. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BPE IV (Non-Cdn) GP LP, BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP for itself and as nominee for BCP IV (UK Plan) LP, BCP IV (Cdn Plan) LP and BCP IV Bermuda Investor LP.

F11 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and Brookfield Asset Management Inc., by virtue of their relationships with BCP IV (US Plan) LP, may be deemed to share beneficial ownership in the shares held directly by BPE IV (Non-Cdn) GP LP as nominee for BCP IV (US Plan) LP. Brookfield BBP Canadian GP L.P., Brookfield CanGP Limited, Brookfield Private Equity Inc. and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP (Canada) L.P., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP (Canada) L.P.

F12 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and Brookfield Asset Management Inc., by virtue of their relationships with Brookfield BBP Canada Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield BBP Canada Holdings Inc. Brookfield Asset Management Inc., by virtue of its relationship with Brookfield Private Funds Holdings Inc., may be deemed to share beneficial ownership in the shares held directly by Brookfield Private Funds Holdings Inc.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.