RIOT

SEC source: 0001079973-22-001218 · ownership.xml · derivative · entry 5

Cho Hannah · CIK 0001846283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 6,250 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The reported transactions represent the settlement by the Issuer of the vested portion of the award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's equity plan in connection with the Reporting Person's service on the Board. Each vested RSU represents the contingent right to receive, upon settlement by the Issuer, one share of the Issuer's Common Stock, subject to any net settlement permitted by the equity plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · derivative.exercise_date: The reported transactions represent the settlement by the Issuer of the vested portion of the award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's equity plan in connection with the Reporting Person's service on the Board. Each vested RSU represents the contingent right to receive, upon settlement by the Issuer, one share of the Issuer's Common Stock, subject to any net settlement permitted by the equity plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · derivative.expiration_date: The reported transactions represent the settlement by the Issuer of the vested portion of the award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's equity plan in connection with the Reporting Person's service on the Board. Each vested RSU represents the contingent right to receive, upon settlement by the Issuer, one share of the Issuer's Common Stock, subject to any net settlement permitted by the equity plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · derivative.underlying_shares: The reported transactions represent the settlement by the Issuer of the vested portion of the award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's equity plan in connection with the Reporting Person's service on the Board. Each vested RSU represents the contingent right to receive, upon settlement by the Issuer, one share of the Issuer's Common Stock, subject to any net settlement permitted by the equity plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

SEC source: 0001079973-22-001218 · ownership.xml · nonDerivative · entry 4

Cho Hannah · CIK 0001846283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,066

F4 · shares: Represents the RSA award granted to the Reporting Person, in connection with her service on the Issuer's Board, pursuant to an RSA award agreement with the Issuer. These 111,441 shares are eligible to vest, if at all, in four equal quarterly tranches after the grant, subject to the Reporting Person's continued service with the Issuer through vesting.

SEC source: 0001079973-22-001218 · ownership.xml · nonDerivative · entry 3

Cho Hannah · CIK 0001846283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,625

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

F3 · shares: Represents the conversion, as authorized by the Committee, of all outstanding RSUs granted to the Reporting Person under the Issuer's equity plan into awards of restricted shares of the Issuer's Common Stock ("RSAs"). Pursuant to the applicable RSA award agreement with the Issuer, these 6,250 shares are eligible to vest, if at all, in two equal quarterly tranches after the grant, subject to the Reporting Person's continued service through vesting.

SEC source: 0001079973-22-001218 · ownership.xml · nonDerivative · entry 2

Cho Hannah · CIK 0001846283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,375

F2 · shares: Represents shares withheld by the Issuer in net settlement in connection with the settlement of vested RSUs, as permitted under the Issuer's equity plan and approved by the Committee.

SEC source: 0001079973-22-001218 · ownership.xml · nonDerivative · entry 1

Cho Hannah · CIK 0001846283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

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

F1 · shares: The reported transactions represent the settlement by the Issuer of the vested portion of the award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's equity plan in connection with the Reporting Person's service on the Board. Each vested RSU represents the contingent right to receive, upon settlement by the Issuer, one share of the Issuer's Common Stock, subject to any net settlement permitted by the equity plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

SEC source: 0001079973-22-001216 · ownership.xml · derivative · entry 4

Werner Ryan D. · CIK 0001931824 · SVP, CAO (See Remarks)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 86,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

F1 · shares: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

F1 · derivative.exercise_date: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

F1 · derivative.expiration_date: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

F1 · derivative.underlying_shares: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

SEC source: 0001079973-22-001216 · ownership.xml · nonDerivative · entry 3

Werner Ryan D. · CIK 0001931824 · SVP, CAO (See Remarks)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 342,919

F3 · shares: Represents shares added to the total maximum target award allocated to the Reporting Person under the performance plan pursuant to an RSA award agreement with the Issuer on the same terms as the RSA award described in footnote (1).

SEC source: 0001079973-22-001216 · ownership.xml · nonDerivative · entry 2

Werner Ryan D. · CIK 0001931824 · SVP, CAO (See Remarks)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,921

F2 · shares: Represents the RSA award granted to the Reporting Person, as compensation for serving as the Issuer's SVP and CAO, pursuant to an RSA award agreement with the Issuer. These shares are eligible to vest, if at all, in two equal annual tranches as of June 1, 2023, and June 1, 2024, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates.

SEC source: 0001079973-22-001216 · ownership.xml · nonDerivative · entry 1

Werner Ryan D. · CIK 0001931824 · SVP, CAO (See Remarks)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,333

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

F1 · shares: The reported transactions represent the conversion, as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"), of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"). The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan. Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan, and are subject to forfeiture until vested, with any shares remaining unvested as of the end of the performance period automatically forfeited without consideration.

SEC source: 0001079973-22-001214 · ownership.xml · derivative · entry 5

Yee Colin M. · CIK 0001932352 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 242,000 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · shares: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · derivative.exercise_date: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · derivative.expiration_date: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · derivative.underlying_shares: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

SEC source: 0001079973-22-001214 · ownership.xml · derivative · entry 4

Yee Colin M. · CIK 0001932352 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 242,000

Underlying: Common Stock · 87,995 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

F1 · shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

F1 · derivative.exercise_date: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

F1 · derivative.expiration_date: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

F1 · derivative.underlying_shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

SEC source: 0001079973-22-001214 · ownership.xml · nonDerivative · entry 3

Yee Colin M. · CIK 0001932352 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410,574

F3 · shares: Represents the RSA award granted to the Reporting Person, as compensation for serving as the Issuer's Chief Financial Officer, pursuant to an RSA award agreement with the Issuer. These shares are eligible to vest, if at all, in two equal annual tranches as of June 1, 2023, and June 1, 2024, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates.

SEC source: 0001079973-22-001214 · ownership.xml · nonDerivative · entry 2

Yee Colin M. · CIK 0001932352 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,280

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

F2 · shares: Represents the conversion, as authorized by the Committee, of all outstanding performance-based RSUs granted to the Reporting Person under the performance-incentive plan established by the Committee under the Issuer's equity plan into an equal RSA award. The reported number of shares represents the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the Issuer's achievement, during the performance period ending December 31, 2023, of performance objectives established under the performance plan. Pursuant to the applicable RSA award agreement with the Issuer, the shares are subject to forfeiture until vested, and any shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

SEC source: 0001079973-22-001214 · ownership.xml · nonDerivative · entry 1

Yee Colin M. · CIK 0001932352 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,280

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

F1 · shares: The reported transactions represent the conversion of all outstanding restricted stock unit awards ("RSUs") granted to the Reporting Person under the Issuer's equity plan into equal awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee (the "Committee"). Pursuant to the applicable RSA award agreement with the Issuer, these shares are eligible to vest, if at all, in equal quarterly tranches through April 1,2024, subject to the Reporting Person's continued service with the Issuer through vesting.

SEC source: 0001079973-22-001212 · ownership.xml · derivative · entry 7

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 378,334 shares

Expires not disclosed

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F2 · derivative.exercise_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

F2 · derivative.expiration_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

SEC source: 0001079973-22-001212 · ownership.xml · derivative · entry 6

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378,334

Underlying: Common Stock · 44,666 shares

Expires not disclosed

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F2 · derivative.exercise_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

F2 · derivative.expiration_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

SEC source: 0001079973-22-001212 · ownership.xml · derivative · entry 5

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 423,000

Underlying: Common Stock · 3,750 shares

Expires not disclosed

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F2 · derivative.exercise_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

F2 · derivative.expiration_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

SEC source: 0001079973-22-001212 · ownership.xml · nonDerivative · entry 4

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,591,464

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F1 · acquired: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001212 · ownership.xml · nonDerivative · entry 3

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 619,696

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F1 · acquired: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001212 · ownership.xml · nonDerivative · entry 2

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,362

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001212 · ownership.xml · nonDerivative · entry 1

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,696

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the reported transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001210 · ownership.xml · derivative · entry 3

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,250 shares

Expires not disclosed

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

F2 · derivative.exercise_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

F2 · derivative.expiration_date: All outstanding Restricted Stock Unit awards ("RSUs") granted under the Issuer's equity plan were converted into awards of restricted shares of the Issuer's Common Stock ("RSAs"), as authorized by the Issuer's Compensation and Human Resources Committee. The RSAs awarded in connection with this conversion are subject to forfeiture and restrictions until vesting, as set forth in the RSA award agreement with the Issuer governing the award.

SEC source: 0001079973-22-001210 · ownership.xml · nonDerivative · entry 2

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,441

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001210 · ownership.xml · nonDerivative · entry 1

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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

F1 · date: On September 28, 2022, a Form 4 was filed that, due to administrative error, inadvertently disclosed incorrect information regarding the transactions, as indicated. Accordingly, this amended Form 4 is being filed to supply the correct information regarding the indicated transactions.

SEC source: 0001079973-22-001201 · ownership.xml · derivative · entry 3

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,250 shares

Expires not disclosed

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

F1 · price: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F1 · derivative.exercise_date: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F1 · derivative.expiration_date: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F1 · derivative.underlying_shares: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001201 · ownership.xml · nonDerivative · entry 2

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,441

F3 · shares: As of September 26, 2022, the Reporting Person was granted, in consideration of the his service as an independent member of the Board, an award of 111,441 shares of Restricted Stock pursuant to a Restricted Stock award agreement with the Issuer under the equity plan. These 111,441 shares are eligible to vest, if at all, in four equal quarterly tranches after the grant date, subject to the Reporting Person's continued service with the Issuer through vesting.

F3 · price: As of September 26, 2022, the Reporting Person was granted, in consideration of the his service as an independent member of the Board, an award of 111,441 shares of Restricted Stock pursuant to a Restricted Stock award agreement with the Issuer under the equity plan. These 111,441 shares are eligible to vest, if at all, in four equal quarterly tranches after the grant date, subject to the Reporting Person's continued service with the Issuer through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001201 · ownership.xml · nonDerivative · entry 1

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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

F1 · shares: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F1 · price: As of September 26, 2022, all outstanding restricted stock units ("RSUs") under the Issuer's equity plan were converted into restricted shares of the Issuer's Common Stock ("Restricted Stock"). The reported transaction represents the conversion of the unvested balance of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, into 6,250 shares of Restricted Stock. Pursuant to the applicable award agreement, these 6,250 shares vest, if at all, in two equal quarterly tranches, subject to the Reporting Person's continued service through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · derivative · entry 7

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 378,334 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Issuer's equity plan, each restricted stock unit ("RSU") represents the right to receive, upon vesting and settlement, one share of the Issuer's Common Stock, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported transactions represent settlement by the Issuer of 3,750 vested service-based RSUs granted to the Reporting Person as of May 24, 2021, which vested quarterly following the grant date

F4 · shares: As of September 26, 2022, the Committee authorized the conversion of all unvested RSUs granted under the Plan into unvested restricted shares of Common Stock ("Restricted Stock"), without further consideration. Accordingly, the reported transaction represents the conversion of all unvested RSUs granted to the Reporting Person under the equity plan. The 378,334 shares of Restricted Stock represent the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the achievement, during the performance period expiring as of December 31, 2023, of certain performance objectives established for the Issuer under the performance plan. Shares of Restricted Stock are subject to forfeiture until vested, and shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F4 · derivative.exercise_date: As of September 26, 2022, the Committee authorized the conversion of all unvested RSUs granted under the Plan into unvested restricted shares of Common Stock ("Restricted Stock"), without further consideration. Accordingly, the reported transaction represents the conversion of all unvested RSUs granted to the Reporting Person under the equity plan. The 378,334 shares of Restricted Stock represent the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the achievement, during the performance period expiring as of December 31, 2023, of certain performance objectives established for the Issuer under the performance plan. Shares of Restricted Stock are subject to forfeiture until vested, and shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F4 · derivative.expiration_date: As of September 26, 2022, the Committee authorized the conversion of all unvested RSUs granted under the Plan into unvested restricted shares of Common Stock ("Restricted Stock"), without further consideration. Accordingly, the reported transaction represents the conversion of all unvested RSUs granted to the Reporting Person under the equity plan. The 378,334 shares of Restricted Stock represent the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the achievement, during the performance period expiring as of December 31, 2023, of certain performance objectives established for the Issuer under the performance plan. Shares of Restricted Stock are subject to forfeiture until vested, and shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F4 · derivative.underlying_shares: As of September 26, 2022, the Committee authorized the conversion of all unvested RSUs granted under the Plan into unvested restricted shares of Common Stock ("Restricted Stock"), without further consideration. Accordingly, the reported transaction represents the conversion of all unvested RSUs granted to the Reporting Person under the equity plan. The 378,334 shares of Restricted Stock represent the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the achievement, during the performance period expiring as of December 31, 2023, of certain performance objectives established for the Issuer under the performance plan. Shares of Restricted Stock are subject to forfeiture until vested, and shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · derivative · entry 6

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 46,666 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Issuer's equity plan, each restricted stock unit ("RSU") represents the right to receive, upon vesting and settlement, one share of the Issuer's Common Stock, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported transactions represent settlement by the Issuer of 3,750 vested service-based RSUs granted to the Reporting Person as of May 24, 2021, which vested quarterly following the grant date

F3 · shares: The reported transactions represent settlement by the Issuer of 46,666 vested performance-based RSUs granted to the Reporting Person under the performance-incentive plan adopted by the Committee under the equity plan as of August 12, 2021, which vested based on the Issuer's achievement of performance objectives corresponding to 46,666 RSUs.

F3 · derivative.exercise_date: The reported transactions represent settlement by the Issuer of 46,666 vested performance-based RSUs granted to the Reporting Person under the performance-incentive plan adopted by the Committee under the equity plan as of August 12, 2021, which vested based on the Issuer's achievement of performance objectives corresponding to 46,666 RSUs.

F3 · derivative.expiration_date: The reported transactions represent settlement by the Issuer of 46,666 vested performance-based RSUs granted to the Reporting Person under the performance-incentive plan adopted by the Committee under the equity plan as of August 12, 2021, which vested based on the Issuer's achievement of performance objectives corresponding to 46,666 RSUs.

F3 · derivative.underlying_shares: The reported transactions represent settlement by the Issuer of 46,666 vested performance-based RSUs granted to the Reporting Person under the performance-incentive plan adopted by the Committee under the equity plan as of August 12, 2021, which vested based on the Issuer's achievement of performance objectives corresponding to 46,666 RSUs.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · derivative · entry 5

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,666

Underlying: Common Stock · 3,750 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Issuer's equity plan, each restricted stock unit ("RSU") represents the right to receive, upon vesting and settlement, one share of the Issuer's Common Stock, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported transactions represent settlement by the Issuer of 3,750 vested service-based RSUs granted to the Reporting Person as of May 24, 2021, which vested quarterly following the grant date

F2 · shares: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · derivative.exercise_date: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · derivative.expiration_date: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · derivative.underlying_shares: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · nonDerivative · entry 4

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,591,464

F5 · shares: Represents the grant of 2,971,768 shares of Restricted Stock to the Reporting Person as compensation for serving as the Issuer's Executive Chairman. Pursuant to the applicable award agreement, these shares are eligible to vest, if at all, in two equal annual tranches as of June 1, 2023, and June 1, 2024, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · nonDerivative · entry 3

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 619,696

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

F4 · shares: As of September 26, 2022, the Committee authorized the conversion of all unvested RSUs granted under the Plan into unvested restricted shares of Common Stock ("Restricted Stock"), without further consideration. Accordingly, the reported transaction represents the conversion of all unvested RSUs granted to the Reporting Person under the equity plan. The 378,334 shares of Restricted Stock represent the total maximum target award allocated to the Reporting Person under the performance plan, which are eligible to vest, if at all, based on the achievement, during the performance period expiring as of December 31, 2023, of certain performance objectives established for the Issuer under the performance plan. Shares of Restricted Stock are subject to forfeiture until vested, and shares remaining unvested as of the end of the performance period will be automatically forfeited without consideration.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · nonDerivative · entry 2

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,362

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

F3 · shares: The reported transactions represent settlement by the Issuer of 46,666 vested performance-based RSUs granted to the Reporting Person under the performance-incentive plan adopted by the Committee under the equity plan as of August 12, 2021, which vested based on the Issuer's achievement of performance objectives corresponding to 46,666 RSUs.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001199 · ownership.xml · nonDerivative · entry 1

YI SOO IL BENJAMIN · CIK 0001757880 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,696

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

F1 · shares: Under the Issuer's equity plan, each restricted stock unit ("RSU") represents the right to receive, upon vesting and settlement, one share of the Issuer's Common Stock, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"). The reported transactions represent settlement by the Issuer of 3,750 vested service-based RSUs granted to the Reporting Person as of May 24, 2021, which vested quarterly following the grant date

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001100 · ownership.xml · derivative · entry 3

MCGONEGAL JEFFREY · CIK 0001187604 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 9,666 shares

Expires not disclosed

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

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F4 · derivative.exercise_date: Represents the settlement following vesting of 9,666 PSUs granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 9,666 PSUs had been achieved.

F4 · derivative.expiration_date: Represents the settlement following vesting of 9,666 PSUs granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 9,666 PSUs had been achieved.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001100 · ownership.xml · nonDerivative · entry 2

MCGONEGAL JEFFREY · CIK 0001187604 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 343,236

F3 · shares: Represents net settlement in connection with the conversion of vested PSUs into shares of the Issuer's Common Stock noted in Table II of this Report, as permitted by the Plan and approved by the Committee.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001100 · ownership.xml · nonDerivative · entry 1

MCGONEGAL JEFFREY · CIK 0001187604 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,199

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

F1 · price: Pursuant to the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001098 · ownership.xml · derivative · entry 4

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,315 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F6 · derivative.exercise_date: Represents the settlement following vesting of the remaining balance of the 10,630 RSU granted, as of July 15, 2021, to the Reporting Person under the Plan, which were eligible to vest in four approximately equal quarterly installments following the grant date.

F6 · derivative.expiration_date: Represents the settlement following vesting of the remaining balance of the 10,630 RSU granted, as of July 15, 2021, to the Reporting Person under the Plan, which were eligible to vest in four approximately equal quarterly installments following the grant date.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001098 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,315

Underlying: Common Stock · 50,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F4 · derivative.exercise_date: Represents the settlement following vesting of 50,000 PSU granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 50,000 PSUs had been achieved.

F4 · derivative.expiration_date: Represents the settlement following vesting of 50,000 PSU granted, as of August 12, 2021, to the Reporting Person under the Plan, which vested upon the Committee's determination that the performance criteria corresponding to 50,000 PSUs had been achieved.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

F5 · balance_after: On March 18, 2022, the reporting person filed a Form 4 which inadvertently reported that, following his conversion of vested RSUs on Table II, the number of derivative securities beneficially owned totaled 41,321. The correct number of derivative securities beneficially owned following the reported transaction were 41,315.

SEC source: 0001079973-22-001098 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,447

F3 · shares: Represents net settlement in connection with the conversion of vested RSUs and PSUs into shares of the Issuer's Common Stock noted in Table II of this report, as permitted under the Plan and approved by the Committee.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001098 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,104

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

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") each service-based restricted stock unit ("RSU") and performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") subject to any net settlement permitted under the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee"), following vesting and settlement by the Issuer. Pursuant to the Plan, RSUs and PSUs are subject to forfeiture until vested, and are contingent on the Recipient's continued employment or service with the Issuer through vesting.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001553350-22-000738 · ownership.xml · nonDerivative · entry 1

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

F1 · price: Represents the average sales price per share of the shares sold by the Reporting Person on September 1, 2022 in multiple transactions at prevailing market prices ranging from $6.68 to $6.69 per share, inclusive. The Reporting Person hereby undertakes, upon request, to provide the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, as applicable, full information regarding the number and price of shares sold by the Reporting Person in each transaction covered by this Report.

SEC source: 0001079973-22-001053 · ownership.xml · derivative · entry 2

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 11,250 shares

Expires not disclosed

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

F1 · derivative.exercise_price: These Restricted Stock Units ("RSUs") were granted to the Reporting Person under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") in consideration of the Reporting Person's service on the Issuer's Board of Directors, subject to the Reporting Person's continuing service with the Issuer through the applicable vesting date. RSUs granted under the Plan are subject to forfeiture until vested. Following vesting, RSUs are convertible, on a one-for-one basis, into shares of the Issuer's Common Stock upon settlement by the Issuer in accordance with the procedures of the Plan.

F1 · price: These Restricted Stock Units ("RSUs") were granted to the Reporting Person under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") in consideration of the Reporting Person's service on the Issuer's Board of Directors, subject to the Reporting Person's continuing service with the Issuer through the applicable vesting date. RSUs granted under the Plan are subject to forfeiture until vested. Following vesting, RSUs are convertible, on a one-for-one basis, into shares of the Issuer's Common Stock upon settlement by the Issuer in accordance with the procedures of the Plan.

F3 · derivative.exercise_date: The conversion reported in Table II represents the settlement by the Issuer following vesting of 11,250 RSUs, including: (i) the final 5,000 of the 12,500 RSUs granted to the Reporting Person as of May 28, 2021, of which, 2,500 vested immediately as of the grant date, with the remaining vesting in four equal quarterly installments following the grant date; and (ii) 6,250 of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, which are eligible to vest in four equal quarterly installments following the grant date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date.

F3 · derivative.expiration_date: The conversion reported in Table II represents the settlement by the Issuer following vesting of 11,250 RSUs, including: (i) the final 5,000 of the 12,500 RSUs granted to the Reporting Person as of May 28, 2021, of which, 2,500 vested immediately as of the grant date, with the remaining vesting in four equal quarterly installments following the grant date; and (ii) 6,250 of the 12,500 RSUs granted to the Reporting Person as of January 10, 2022, which are eligible to vest in four equal quarterly installments following the grant date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-001053 · ownership.xml · nonDerivative · entry 1

D'Ambrosio Lance Varro · CIK 0001611745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,750

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

F1 · price: These Restricted Stock Units ("RSUs") were granted to the Reporting Person under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") in consideration of the Reporting Person's service on the Issuer's Board of Directors, subject to the Reporting Person's continuing service with the Issuer through the applicable vesting date. RSUs granted under the Plan are subject to forfeiture until vested. Following vesting, RSUs are convertible, on a one-for-one basis, into shares of the Issuer's Common Stock upon settlement by the Issuer in accordance with the procedures of the Plan.

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000927 · ownership.xml · derivative · entry 3

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,321

Underlying: Common Stock · 12,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, on a one-for-one basis, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, on a one-for-one basis, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F4 · derivative.exercise_date: Represents the conversion upon settlement by the Issuer of vested portion of the performance-based RSUs granted to the Reporting Person by the Issuer on August 12, 2021, which vested upon the Issuer's achievement of the performance criteria established by the Committee under Plan corresponding to 12,000 RSUs.

F4 · derivative.expiration_date: Represents the conversion upon settlement by the Issuer of vested portion of the performance-based RSUs granted to the Reporting Person by the Issuer on August 12, 2021, which vested upon the Issuer's achievement of the performance criteria established by the Committee under Plan corresponding to 12,000 RSUs.

F3 · balance_after: Represents net settlement of the conversion of 12,000 vested RSUs reported in Table II, as permitted under the Plan and approved by the Committee.

SEC source: 0001079973-22-000927 · ownership.xml · nonDerivative · entry 2

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,789

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000927 · ownership.xml · nonDerivative · entry 1

Jackman William Richard · CIK 0001872927 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,789

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

F1 · price: Under the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended, (the "Plan") vested Restricted Stock Units ("RSUs") are, upon settlement by the Issuer in accordance with the procedures of the Plan, convertible into shares of the Issuer's common stock, no par value per share, on a one-for-one basis, subject to any net settlement permitted by the Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F2 · balance_after: Represents the total direct and indirect beneficial ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000878 · ownership.xml · derivative · entry 6

Harris Chad Everett · CIK 0001863770 · EVP, CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Pursuant to the Riot Blockchain Inc. 2019 Equity Incentive Plan, as amended (the "Equity Plan") each service-based restricted stock unit ("RSUs") and each performance-based restricted stock units ("PSUs) represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") following vesting and settlement by the Issuer. Under the Equity Plan, the Issuer may elect to satisfy any tax withholding obligations due in connection with the conversion of vested RSUs and PSUs via net settlement of the vested award by withholding shares of Common Stock to cover the tax due, as permitted under the Equity Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · price: Pursuant to the Riot Blockchain Inc. 2019 Equity Incentive Plan, as amended (the "Equity Plan") each service-based restricted stock unit ("RSUs") and each performance-based restricted stock units ("PSUs) represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") following vesting and settlement by the Issuer. Under the Equity Plan, the Issuer may elect to satisfy any tax withholding obligations due in connection with the conversion of vested RSUs and PSUs via net settlement of the vested award by withholding shares of Common Stock to cover the tax due, as permitted under the Equity Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F5 · derivative.exercise_date: The conversion of 26,000 PSUs reported in Table II represents the settling by the Issuer of the vested portion of the PSUs granted to the Reporting Person August 12, 2021 pursuant to the Reporting Person's Award Agreement, which vested upon the Committee's determination that performance criteria corresponding to the PSUs granted to the Reporting Person had been achieved.

F5 · derivative.expiration_date: The conversion of 26,000 PSUs reported in Table II represents the settling by the Issuer of the vested portion of the PSUs granted to the Reporting Person August 12, 2021 pursuant to the Reporting Person's Award Agreement, which vested upon the Committee's determination that performance criteria corresponding to the PSUs granted to the Reporting Person had been achieved.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000878 · ownership.xml · derivative · entry 5

Harris Chad Everett · CIK 0001863770 · EVP, CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,000

Underlying: Common Stock · 2,488 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Pursuant to the Riot Blockchain Inc. 2019 Equity Incentive Plan, as amended (the "Equity Plan") each service-based restricted stock unit ("RSUs") and each performance-based restricted stock units ("PSUs) represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") following vesting and settlement by the Issuer. Under the Equity Plan, the Issuer may elect to satisfy any tax withholding obligations due in connection with the conversion of vested RSUs and PSUs via net settlement of the vested award by withholding shares of Common Stock to cover the tax due, as permitted under the Equity Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F1 · price: Pursuant to the Riot Blockchain Inc. 2019 Equity Incentive Plan, as amended (the "Equity Plan") each service-based restricted stock unit ("RSUs") and each performance-based restricted stock units ("PSUs) represents a contingent right to receive one share of the Issuer's common stock, no par value per share, ("Common Stock") following vesting and settlement by the Issuer. Under the Equity Plan, the Issuer may elect to satisfy any tax withholding obligations due in connection with the conversion of vested RSUs and PSUs via net settlement of the vested award by withholding shares of Common Stock to cover the tax due, as permitted under the Equity Plan and approved by the Issuer's Compensation and Human Resources Committee (the "Committee").

F4 · derivative.exercise_date: The conversion of 2,488 vested RSUs reported in Table II relates to the settlement by the Issuer of the remaining unsettled portion of the 9,949 RSUs granted to the Reporting Person on May 26, 2021, which vested in four quarterly installments after the grant date.

F4 · derivative.expiration_date: The conversion of 2,488 vested RSUs reported in Table II relates to the settlement by the Issuer of the remaining unsettled portion of the 9,949 RSUs granted to the Reporting Person on May 26, 2021, which vested in four quarterly installments after the grant date.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.

SEC source: 0001079973-22-000878 · ownership.xml · nonDerivative · entry 4

Harris Chad Everett · CIK 0001863770 · EVP, CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,565

F3 · shares: Represents net settlement for taxes due in connection with the conversion reported on the foregoing line of this report.

F2 · balance_after: Represents the total direct and indirect ownership of the indicated security held by the Reporting Person immediately following the reported transaction.