Gold Daniel Allen

SEC source: 0001209191-22-018061 · doc4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,373,900

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 6

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 7,800,711

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 5

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,576,548

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 4

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,627,190

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 7,817,111

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,579,862

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-22-014856 · doc4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,647,430

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 15

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 7,922,926

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 14

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,601,247

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 13

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,778,020

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 12

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 7,963,971

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 11

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,609,546

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 10

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,828,676

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 9

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,005,016

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 8

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,617,845

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 7

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,879,332

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 6

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,005,426

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 5

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,617,928

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 4

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,879,839

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,035,552

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,624,020

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-070640 · doc4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 9,917,021

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 6

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,121,087

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 5

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,641,317

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 4

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,022,589

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,206,628

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,658,605

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-069532 · doc4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,128,160

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001209191-21-056906 · doc4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,262,040

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-056906 · doc4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,669,804

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

SEC source: 0001209191-21-056906 · doc4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,196,549

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F2 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-21-011133 · form4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,711,753

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-21-011133 · form4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,760,693

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-21-011133 · form4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,751,559

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 6

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 9,368,007

F5 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 5

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,893,326

F5 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 4

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 11,561,473

F5 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F5 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 22, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,793,242

F4 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,777,164

F4 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-029446 · form4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,852,130

F4 · kind: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · shares: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F4 · price: Pursuant to an "earn-out" provision in the merger agreement pursuant to which the Issuer acquired MPMO Holding Company and SNR Holding Company, LLC by business combination on November 17, 2020, the Reporting Person was granted the contingent right to receive the acquired shares. The merger agreement provided that the Reporting Person would receive the acquired shares, for no additional consideration, if, at any time during the ten years following the Closing, the VWAP of the Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period. The Issuer's Shares met the condition on December 21, 2020, as a result of which the Reporting Person acquired the earn-out Shares.

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-026149 · form4.xml · nonDerivative · entry 3

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Saratoga Park Ltd.

Disclosed balance after: 8,218,477

F4 · shares: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F4 · price: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-026149 · form4.xml · nonDerivative · entry 2

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by QVT Family Office Onshore LP

Disclosed balance after: 1,661,002

F4 · shares: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F4 · price: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F2 · ownership.direct: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F2 · ownership.nature: Management of QVT Family Office Onshore LP ("QVT Onshore") is vested in its general partner, QVT Associates GP LLC, a Delaware limited liability company ("QVT Associates GP"), which may be deemed to beneficially own the Shares to be held directly by QVT Onshore. QVT Financial LP, a Delaware limited partnership, is the investment manager of QVT Onshore and Saratoga Park Ltd. ("Saratoga"), and shares voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga. QVT Financial GP LLC ("QVT Financial GP"), a Delaware limited liability company, is the general partner of QVT Financial LP. Daniel Gold is a Managing Member of each of QVT Associates GP and QVT Financial GP, sharing voting and investment control over the Shares to be held directly by QVT Onshore and Saratoga and may be deemed to beneficially own such shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001140361-20-026149 · form4.xml · nonDerivative · entry 1

Gold Daniel Allen · CIK 0001832142 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Fourth Avenue FF Opportunities LP - Series E

Disclosed balance after: 10,142,787

F4 · shares: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F4 · price: The entities described above acquired these Shares on November 17, 2020, as consideration for the entities' shares of common stock of MPMO Holding Company and SNR Holding Company, LLC, which the Issuer acquired by business combination on November 17, 2020. Pursuant to the terms of the Merger Agreement, the entities will have the contingent right to receive additional Shares, (a) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $18.00 for any twenty trading days within any thirty-trading day period; and (b) if, at any time during the ten years following the Closing, the VWAP of Shares is greater than or equal to $20.00 for any twenty trading days within any thirty-trading day period.

F1 · ownership.direct: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.direct: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · ownership.nature: Management of Fourth Avenue FF-E is vested in its general partner, Fourth Avenue Capital Partners GP LLC, a Delaware limited liability company ("Fourth Avenue GP"), which may be deemed to beneficially own the shares of MP Materials Corp. (the "Issuer") Class A common stock ("Shares") to be held directly by Fourth Avenue FF-E. Daniel Gold is a Managing Member of Fourth Avenue GP, sharing voting and investment control over the Shares held directly by Fourth Avenue FF-E and may be deemed to beneficially own such Shares.

F3 · ownership.nature: Daniel Gold disclaims any beneficial ownership in the Shares described herein, other than to the extent of any pecuniary interest he may have therein, directly or indirectly.