GREE · Vulcan Infrastructure & Power Inc.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents restricted stock units granted as a one-time equity award in recognition of the Reporting Person's contributions to the Issuer's strategic transformation, including the entry into definitive agreements for the strategic investment announced on July 20, 2026, pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The award will vest in its entirety on July 23, 2026.

The amount of securities reflects the correction of a past overstatement of 707 shares of Class A Common Stock beneficially owned by the Reporting Person due to an unidentified reporting error.

Represents restricted stock units granted as a one-time equity award in recognition of the Reporting Person's contributions to the Issuer's strategic transformation, including the entry into definitive agreements for the strategic investment announced on July 20, 2026, pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The award will vest in its entirety on July 23, 2026.

Represents restricted stock units granted as a one-time equity award in recognition of the Reporting Person's contributions to the Issuer's strategic transformation, including the entry into definitive agreements for the strategic investment announced on July 20, 2026, pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The award will vest in its entirety on July 23, 2026.

In connection with the Equity Interest Payment Agreement (the "Agreement"), dated as of January 24, 2025, by and among Greenidge Generation Holdings Inc. (the "Issuer") and Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel"), and Atlas Capital Resources (P) LP ("ACR P" and, together with ACR9 and ACR Parallel, collectively, "Atlas"), the Issuer made a $161,820 payment to Atlas in the form of shares of Class A Common Stock based on the price formula set forth in the Agreement. Of the 114,199 shares of Class A Common Stock issued to Atlas thereunder, 81,825 shares were issued to ACR9, 29,381 shares were issued to ACR Parallel and 2,993 shares were issued to ACR P.

Represents 1,505,351 shares of Class A Common Stock and 2,680,030 shares of Class B Common Stock, which are convertible at any time at the option of the holder into an equal number of shares of Class A Common Stock.

Atlas Capital GP LP ("ACR GPLP") is the general partner of ACR9, ACR Parallel, ACR P and GGH Bridge Investment LP ("GGH"). Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, ACR9, ACR Parallel, ACR P, and GGH are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities.

Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein.

In connection with the Equity Interest Payment Agreement (the "Agreement"), dated as of January 24, 2025, by and among Greenidge Generation Holdings Inc. (the "Issuer") and Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel"), and Atlas Capital Resources (P) LP ("ACR P" and, together with ACR9 and ACR Parallel, collectively, "Atlas"), the Issuer made a $160,041 payment to Atlas in the form of shares of Class A Common Stock based on the price formula set forth in the Agreement. Of the 114,865 shares of Class A Common Stock issued to Atlas thereunder, 82,302 shares were issued to ACR9, 29,552 shares were issued to ACR Parallel and 3,011 shares were issued to ACR P.

Represents 1,391,152 shares of Class A Common Stock and 2,680,030 shares of Class B Common Stock, which are convertible at any time at the option of the holder into an equal number of shares of Class A Common Stock.

Atlas Capital GP LP ("ACR GPLP") is the general partner of ACR9, ACR Parallel, ACR P and GGH Bridge Investment LP ("GGH"). Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, ACR9, ACR Parallel, ACR P, and GGH are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities.

Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein.

Represents the number of shares withheld to cover the Reporting Person's tax liability in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares withheld to cover the Reporting Person's tax liability in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares withheld to cover the Reporting Person's tax liability in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

This Form 4 is being filed late due to an inadvertent administrative oversight related to the Issuer's migration to a new employee stock administration platform, which delayed the timely reporting of the transaction and was not the result of any error by the Reporting Person.

Represents restricted stock units granted as bonus compensation for fiscal year 2025 pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested immediately.

This Form 4 is being filed late due to an inadvertent administrative oversight related to the Issuer's migration to a new employee stock administration platform, which delayed the timely reporting of the transaction and was not the result of any error by the Reporting Person.

Represents restricted stock units granted as bonus compensation for fiscal year 2025 pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested immediately.

This Form 4 is being filed late due to an inadvertent administrative oversight related to the Issuer's migration to a new employee stock administration platform, which delayed the timely reporting of the transaction and was not the result of any error by the Reporting Person.

Represents restricted stock units granted as bonus compensation for fiscal year 2025 pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested immediately.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

In connection with the Equity Interest Payment Agreement (the "Agreement"), dated as of January 24, 2025, by and among Greenidge Generation Holdings Inc. (the "Issuer") and Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel"), and Atlas Capital Resources (P) LP ("ACR P" and, together with ACR9 and ACR Parallel, collectively, "Atlas"), the Issuer made a $163,598 payment to Atlas in the form of shares of Class A Common Stock based on the price formula set forth in the Agreement. Of the 79,320 shares of Class A Common Stock issued to Atlas thereunder, 56,834 shares were issued to ACR9, 20,407 shares were issued to ACR Parallel and 2,079 shares were issued to ACR P.

Represents 1,276,287 shares of Class A Common Stock and 2,680,030 shares of Class B Common Stock, which are convertible at any time at the option of the holder into an equal number of shares of Class A Common Stock.

Atlas Capital GP LP ("ACR GPLP") is the general partner of ACR9, ACR Parallel, ACR P and GGH Bridge Investment LP ("GGH"). Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, ACR9, ACR Parallel, ACR P, and GGH are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities.

Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein.

This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the Reporting Person.

Represents restricted stock units ("RSUs") granted pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan for service as a member of a special committee of the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest six months after the grant date.

This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the Reporting Person.

Represents restricted stock units ("RSUs") granted pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan for service as chair of a special committee of the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest six months after the grant date.

This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the Reporting Person.

Represents restricted stock units ("RSUs") granted pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan for service as a member of a special committee of the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest six months after the grant date.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

In connection with the Equity Interest Payment Agreement (the "Agreement"), dated as of January 24, 2025, by and among Greenidge Generation Holdings Inc. (the "Issuer") and Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel"), and Atlas Capital Resources (P) LP ("ACR P" and, together with ACR9 and ACR Parallel, collectively, "Atlas"), the Issuer made a $166,164 payment to Atlas in the form of shares of Class A Common Stock based on the price formula set forth in the Agreement. Of the 102,286 shares of Class A Common Stock issued to Atlas thereunder, 73,289 shares were issued to ACR9, 26,316 shares were issued to ACR Parallel and 2,681 shares were issued to ACR P.

Represents 1,196,967 shares of Class A Common Stock and 2,680,030 shares of Class B Common Stock, which are convertible at any time at the option of the holder into an equal number of shares of Class A Common Stock.

Atlas Capital GP LP ("ACR GPLP") is the general partner of ACR9, ACR Parallel, ACR P and GGH Bridge Investment LP ("GGH"). Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, ACR9, ACR Parallel, ACR P, and GGH are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities.

Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents restricted stock units ("RSUs") granted as an initial award pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan in connection with the Reporting Person's appointment to the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in three approximately equal annual installments beginning one year after the grant date.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

The amount of securities reflects the correction of a past overstatement of 177 shares of Class A Common Stock beneficially owned by the Reporting Person due to an unidentified reporting error.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

In connection with the Equity Interest Payment Agreement (the "Agreement"), dated as of January 24, 2025, by and among Greenidge Generation Holdings Inc. (the "Issuer") and Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel"), and Atlas Capital Resources (P) LP ("ACR P" and, together with ACR9 and ACR Parallel, collectively, "Atlas"), the Issuer made a $162,322 payment to Atlas in the form of shares of Class A Common Stock based on the price formula set forth in the Agreement. Of the 131,937 shares of Class A Common Stock issued to Atlas thereunder, 94,534 shares were issued to ACR9, 33,944 shares were issued to ACR Parallel and 3,459 shares were issued to ACR P.

Represents 1,094,681 shares of Class A Common Stock and 2,680,030 shares of Class B Common Stock, which are convertible at any time at the option of the holder into an equal number of shares of Class A Common Stock.

Atlas Capital GP LP ("ACR GPLP") is the general partner of ACR9, ACR Parallel, ACR P and GGH Bridge Investment LP ("GGH"). Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, ACR9, ACR Parallel, ACR P, and GGH are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities.

Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.3250 to $1.3500.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.2999 to $1.3000.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.2300 to $1.3650.

Represents restricted stock units granted as one-time discretionary bonus compensation pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested on May 20, 2025.

Represents restricted stock units granted as one-time discretionary bonus compensation pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested on May 20, 2025.

Represents restricted stock units granted as one-time discretionary bonus compensation pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested on May 20, 2025.

Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.7966 to $0.8386.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.7942 to $0.8500.