EAF

SEC source: 0001140361-20-022945 · form4.xml · nonDerivative · entry 8

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: 172,043,204

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.

F9 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · form4.xml · nonDerivative · entry 7

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: 172,079,427

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.

F8 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · form4.xml · nonDerivative · entry 9

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: 171,978,820

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.

F10 · 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 $7.17 to $7.43 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.

F11 · balance_after: Following the Sales, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,798,798 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) 6,107,457 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 10,855,497 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · form4.xml · nonDerivative · entry 8

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: 172,043,204

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.

F9 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · form4.xml · nonDerivative · entry 7

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: 172,079,427

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.

F8 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · form4.xml · nonDerivative · entry 9

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: 171,978,820

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.

F10 · 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 $7.17 to $7.43 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.

F11 · balance_after: Following the Sales, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,798,798 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) 6,107,457 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 10,855,497 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · form4.xml · nonDerivative · entry 8

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: 172,043,204

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.

F9 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · form4.xml · nonDerivative · entry 7

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: 172,079,427

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.

F8 · 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 $7.17 to $7.43 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,113,820

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,183,523

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 $7.28 to $7.57inclusive. 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,222,739

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,113,820

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,183,523

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 $7.28 to $7.57inclusive. 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,222,739

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,113,820

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,183,523

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 $7.28 to $7.57inclusive. 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,222,739

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 $7.28 to $7.57 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,259,972

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,324,834

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022945 · 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: 172,361,326

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,259,972

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,324,834

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022947 · 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: 172,361,326

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,259,972

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,324,834

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0001140361-20-022943 · 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: 172,361,326

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 $7.25 to $7.46 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.

F12 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F13 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F14 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F15 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F16 · 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: 0000931148-20-000130 · wf-form4_160158351140726.xml · derivative · entry 1

DUNN LESLIE D · CIK 0001236110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,698.3699

Underlying: Common Stock · 1,698.3699 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit (DSU) represents a contingent right to receive one share of EAF common stock.

F2 · 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.

F2 · 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: 0000931148-20-000129 · wf-form4_160158349598912.xml · derivative · entry 2

Gunning Gina K · CIK 0001510031 · CLO & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,356.7611

Underlying: Common Stock · 39.9369 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: 0000931148-20-000129 · wf-form4_160158349598912.xml · derivative · entry 1

Gunning Gina K · CIK 0001510031 · CLO & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,559.943

Underlying: Common Stock · 24.1751 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: 0000931148-20-000128 · wf-form4_160158347721040.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,171.7739

Underlying: Common Stock · 19.2289 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: 0000931148-20-000127 · wf-form4_160158346102712.xml · derivative · entry 2

Taccone Anthony R. · CIK 0001738254 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,385.6663

Underlying: Common Stock · 3,015.3509 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: 0000931148-20-000127 · wf-form4_160158346102712.xml · derivative · entry 1

Taccone Anthony R. · CIK 0001738254 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,370.3154

Underlying: Common Stock · 19.5187 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: 0000931148-20-000126 · wf-form4_160158344484890.xml · derivative · entry 2

Clegg Catherine L. · CIK 0001771849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,605.5823

Underlying: Common Stock · 5,665.2047 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: 0000931148-20-000126 · wf-form4_160158344484890.xml · derivative · entry 1

Clegg Catherine L. · CIK 0001771849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,940.3776

Underlying: Common Stock · 23.2706 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: 0000931148-20-000125 · wf-form4_160158342765364.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,475.6815

Underlying: Common Stock · 53.2492 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: 0000931148-20-000125 · wf-form4_160158342765364.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,399.8575

Underlying: Common Stock · 60.4377 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: 0000931148-20-000124 · wf-form4_160158341175462.xml · derivative · entry 2

Acton Brian L. · CIK 0001738354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,771.3325

Underlying: Common Stock · 6,030.7018 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: 0000931148-20-000124 · wf-form4_160158341175462.xml · derivative · entry 1

Acton Brian L. · CIK 0001738354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,740.6308

Underlying: Common Stock · 39.0374 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: 0000931148-20-000123 · wf-form4_160158339555247.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,123.1368

Underlying: Common Stock · 125.7272 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: 0000931148-20-000123 · wf-form4_160158339555247.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,099.7862

Underlying: Common Stock · 90.6566 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: 0000931148-20-000123 · wf-form4_160158339555247.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,701.7519

Underlying: Common Stock · 31.6814 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: 0000931148-20-000122 · wf-form4_160158337336659.xml · derivative · entry 2

Dumas Michel J. · CIK 0001738253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,578.3587

Underlying: Common Stock · 3,472.2222 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: 0000931148-20-000122 · wf-form4_160158337336659.xml · derivative · entry 1

Dumas Michel J. · CIK 0001738253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,106.1365

Underlying: Common Stock · 30.8119 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: 0000931148-20-000121 · wf-form4_160158335596832.xml · derivative · entry 1

Perez Ortiz Inigo · CIK 0001804727 · SVP, Commercial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396.4012

Underlying: Common Stock · 44.3743 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: 0001140361-20-016682 · 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: 172,395,974

F4 · shares: Of the Distributed Shares, 26,820,567 shares of Common Stock were distributed, for no consideration, to third party limited partners in which Brookfield Asset Management Inc. ("BAM") does not have a pecuniary interest, in an amount equal to each such partner's pro rata interest in such shares.

F1 · price: All of the following transactions (the "Distribution Transactions") were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2 · price: On July 22, 2020, BCP IV GrafTech Holdings L.P. ("BCP IV") distributed, for no consideration, 50,000,000 shares of Common Stock (the "Distributed Shares") to GrafTech Co-Invest L.P. and BCP IV GrafTech LP, its limited partners, and BPE IV (Non-Cdn) GP LP, its general partner, in an amount equal to each such partner's pro rata interest in the shares held by BCP IV. On the same date, GrafTech Co-Invest L.P. distributed, for no consideration, the 7,874,444 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield BBP (Canada) L.P.) in an amount equal to each such partner's pro rata interest in such shares. On the same date, BCP IV GrafTech LP distributed, for no consideration, the 36,220,484 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield Capital Partners IV (CR) L.P. and BCP IV AIV L.P.) in an amount equal to each such partner's pro rata interest in such shares.

F3 · price: On the same date, BCP IV AIV L.P., a limited partner of BCP IV GrafTech LP, distributed, for no consideration, the 11,054,446 shares of Common Stock it received from BCP IV GrafTech LP to its limited partner, Brookfield BBP Canada Holdings Inc. On the same date, Brookfield Capital Partners IV (CR) L.P. distributed, for no consideration, 527 shares of the Common Stock it received from BCP IV GrafTech LP to one of its limited partners, Brookfield Private Funds Holdings Inc., as part of a distribution of shares of Common Stock to all limited partners in Brookfield Capital Partners IV (CR) L.P., pro rata to their interest.

F5 · balance_after: Prior to the Distribution Transactions, consists of Common Stock held directly by BCP IV. Following the Distribution Transactions, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,905,072 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) 6,219,388 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 11,054,446 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.

F6 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F7 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F8 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F9 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F10 · 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: 0001140361-20-016680 · 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: 172,395,974

F4 · shares: Of the Distributed Shares, 26,820,567 shares of Common Stock were distributed, for no consideration, to third party limited partners in which Brookfield Asset Management Inc. ("BAM") does not have a pecuniary interest, in an amount equal to each such partner's pro rata interest in such shares.

F1 · price: All of the following transactions (the "Distribution Transactions") were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2 · price: On July 22, 2020, BCP IV GrafTech Holdings L.P. ("BCP IV") distributed, for no consideration, 50,000,000 shares of Common Stock (the "Distributed Shares") to GrafTech Co-Invest L.P. and BCP IV GrafTech LP, its limited partners, and BPE IV (Non-Cdn) GP LP, its general partner, in an amount equal to each such partner's pro rata interest in the shares held by BCP IV. On the same date, GrafTech Co-Invest L.P. distributed, for no consideration, the 7,874,444 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield BBP (Canada) L.P.) in an amount equal to each such partner's pro rata interest in such shares. On the same date, BCP IV GrafTech LP distributed, for no consideration, the 36,220,484 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield Capital Partners IV (CR) L.P. and BCP IV AIV L.P.) in an amount equal to each such partner's pro rata interest in such shares.

F3 · price: On the same date, BCP IV AIV L.P., a limited partner of BCP IV GrafTech LP, distributed, for no consideration, the 11,054,446 shares of Common Stock it received from BCP IV GrafTech LP to its limited partner, Brookfield BBP Canada Holdings Inc. On the same date, Brookfield Capital Partners IV (CR) L.P. distributed, for no consideration, 527 shares of the Common Stock it received from BCP IV GrafTech LP to one of its limited partners, Brookfield Private Funds Holdings Inc., as part of a distribution of shares of Common Stock to all limited partners in Brookfield Capital Partners IV (CR) L.P., pro rata to their interest.

F5 · balance_after: Prior to the Distribution Transactions, consists of Common Stock held directly by BCP IV. Following the Distribution Transactions, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,905,072 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) 6,219,388 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 11,054,446 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.

F6 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F7 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F8 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F9 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F10 · 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: 0001140361-20-016982 · 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: 172,395,974

F4 · shares: Of the Distributed Shares, 26,820,567 shares of Common Stock were distributed, for no consideration, to third party limited partners in which Brookfield Asset Management Inc. ("BAM") does not have a pecuniary interest, in an amount equal to each such partner's pro rata interest in such shares.

F1 · price: All of the following transactions (the "Distribution Transactions") were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2 · price: On July 22, 2020, BCP IV GrafTech Holdings L.P. ("BCP IV") distributed, for no consideration, 50,000,000 shares of Common Stock (the "Distributed Shares") to GrafTech Co-Invest L.P. and BCP IV GrafTech LP, its limited partners, and BPE IV (Non-Cdn) GP LP, its general partner, in an amount equal to each such partner's pro rata interest in the shares held by BCP IV. On the same date, GrafTech Co-Invest L.P. distributed, for no consideration, the 7,874,444 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield BBP (Canada) L.P.) in an amount equal to each such partner's pro rata interest in such shares. On the same date, BCP IV GrafTech LP distributed, for no consideration, the 36,220,484 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield Capital Partners IV (CR) L.P. and BCP IV AIV L.P.) in an amount equal to each such partner's pro rata interest in such shares.

F3 · price: On the same date, BCP IV AIV L.P., a limited partner of BCP IV GrafTech LP, distributed, for no consideration, the 11,054,446 shares of Common Stock it received from BCP IV GrafTech LP to its limited partner, Brookfield BBP Canada Holdings Inc. On the same date, Brookfield Capital Partners IV (CR) L.P. distributed, for no consideration, 527 shares of the Common Stock it received from BCP IV GrafTech LP to one of its limited partners, Brookfield Private Funds Holdings Inc., as part of a distribution of shares of Common Stock to all limited partners in Brookfield Capital Partners IV (CR) L.P., pro rata to their interest.

F5 · balance_after: Prior to the Distribution Transactions, consists of Common Stock held directly by BCP IV. Following the Distribution Transactions, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,905,072 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) 6,219,388 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 11,054,446 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.

F6 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F7 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F8 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F9 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F10 · 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: 0001140361-20-016984 · 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: 172,395,974

F4 · shares: Of the Distributed Shares, 26,820,567 shares of Common Stock were distributed, for no consideration, to third party limited partners in which Brookfield Asset Management Inc. ("BAM") does not have a pecuniary interest, in an amount equal to each such partner's pro rata interest in such shares.

F1 · price: All of the following transactions (the "Distribution Transactions") were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2 · price: On July 22, 2020, BCP IV GrafTech Holdings L.P. ("BCP IV") distributed, for no consideration, 50,000,000 shares of Common Stock (the "Distributed Shares") to GrafTech Co-Invest L.P. and BCP IV GrafTech LP, its limited partners, and BPE IV (Non-Cdn) GP LP, its general partner, in an amount equal to each such partner's pro rata interest in the shares held by BCP IV. On the same date, GrafTech Co-Invest L.P. distributed, for no consideration, the 7,874,444 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield BBP (Canada) L.P.) in an amount equal to each such partner's pro rata interest in such shares. On the same date, BCP IV GrafTech LP distributed, for no consideration, the 36,220,484 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield Capital Partners IV (CR) L.P. and BCP IV AIV L.P.) in an amount equal to each such partner's pro rata interest in such shares.

F3 · price: On the same date, BCP IV AIV L.P., a limited partner of BCP IV GrafTech LP, distributed, for no consideration, the 11,054,446 shares of Common Stock it received from BCP IV GrafTech LP to its limited partner, Brookfield BBP Canada Holdings Inc. On the same date, Brookfield Capital Partners IV (CR) L.P. distributed, for no consideration, 527 shares of the Common Stock it received from BCP IV GrafTech LP to one of its limited partners, Brookfield Private Funds Holdings Inc., as part of a distribution of shares of Common Stock to all limited partners in Brookfield Capital Partners IV (CR) L.P., pro rata to their interest.

F5 · balance_after: Prior to the Distribution Transactions, consists of Common Stock held directly by BCP IV. Following the Distribution Transactions, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,905,072 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) 6,219,388 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 11,054,446 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.

F6 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F7 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F8 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F9 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F10 · 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: 0001140361-20-016981 · 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: 172,395,974

F4 · shares: Of the Distributed Shares, 26,820,567 shares of Common Stock were distributed, for no consideration, to third party limited partners in which Brookfield Asset Management Inc. ("BAM") does not have a pecuniary interest, in an amount equal to each such partner's pro rata interest in such shares.

F1 · price: All of the following transactions (the "Distribution Transactions") were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2 · price: On July 22, 2020, BCP IV GrafTech Holdings L.P. ("BCP IV") distributed, for no consideration, 50,000,000 shares of Common Stock (the "Distributed Shares") to GrafTech Co-Invest L.P. and BCP IV GrafTech LP, its limited partners, and BPE IV (Non-Cdn) GP LP, its general partner, in an amount equal to each such partner's pro rata interest in the shares held by BCP IV. On the same date, GrafTech Co-Invest L.P. distributed, for no consideration, the 7,874,444 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield BBP (Canada) L.P.) in an amount equal to each such partner's pro rata interest in such shares. On the same date, BCP IV GrafTech LP distributed, for no consideration, the 36,220,484 shares of Common Stock it received from BCP IV to its limited partners (including Brookfield Capital Partners IV (CR) L.P. and BCP IV AIV L.P.) in an amount equal to each such partner's pro rata interest in such shares.

F3 · price: On the same date, BCP IV AIV L.P., a limited partner of BCP IV GrafTech LP, distributed, for no consideration, the 11,054,446 shares of Common Stock it received from BCP IV GrafTech LP to its limited partner, Brookfield BBP Canada Holdings Inc. On the same date, Brookfield Capital Partners IV (CR) L.P. distributed, for no consideration, 527 shares of the Common Stock it received from BCP IV GrafTech LP to one of its limited partners, Brookfield Private Funds Holdings Inc., as part of a distribution of shares of Common Stock to all limited partners in Brookfield Capital Partners IV (CR) L.P., pro rata to their interest.

F5 · balance_after: Prior to the Distribution Transactions, consists of Common Stock held directly by BCP IV. Following the Distribution Transactions, consists of (i) 149,216,541 shares of Common Stock held directly by BCP IV; (ii) 5,905,072 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) 6,219,388 shares of Common Stock held directly by Brookfield BBP (Canada) L.P.; (iv) 11,054,446 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.

F6 · ownership.nature: BAM, by virtue of its relationships with these entities, may be deemed to share beneficial ownership of all of these shares.

F7 · 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 BAM, by virtue of their relationships with BCP IV, may be deemed to share beneficial ownership in the shares held directly by BCP IV. Brookfield Capital Partners Ltd., BCP GP Limited, Brookfield Private Equity Group Holdings LP, Brookfield Private Equity Inc. and BAM, 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.

F8 · ownership.nature: Brookfield Private Equity Holdings LLC, Brookfield US Inc. and BAM, 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 BAM, 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.

F9 · ownership.nature: Brookfield Business L.P., Brookfield Business Partners L.P., Brookfield Business Partners Limited and BAM, 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. BAM, 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.

F10 · 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: 0000931148-20-000091 · wf-form4_159372353409240.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,422.4323

Underlying: Common Stock · 45.585 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.