MARA · MARA Holdings, Inc.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs vest in eleven (11) substantially equal quarterly installments during the period beginning on April 1, 2026, and ending on December 31, 2028, subject to the reporting person's continued service to the issuer through each vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs vest in eleven (11) substantially equal quarterly installments during the period beginning on April 1, 2026, and ending on December 31, 2028, subject to the reporting person's continued service to the issuer through each vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs vest in eleven (11) substantially equal quarterly installments during the period beginning on April 1, 2026, and ending on December 31, 2028, subject to the reporting person's continued service to the issuer through each vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Represents the number of performance-vested restricted stock units ("PSUs") earned by the reporting person pursuant to an award granted on February 28, 2025 under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended, and the related award agreement. The PSUs were subject to issuer performance goals based on hashrate hours, total exahash and deployed megawatts over the performance period beginning January 1, 2025 and ending on December 31, 2025. On February 18, 2026, the Talent, Culture and Compensation Committee of the issuer's Board of Directors certified the level of achievement of the applicable performance goals, resulting in the reporting person earning 773,861 PSUs. The earned PSUs remain subject to the applicable time-based vesting conditions set forth in the award agreement.

Represents the number of performance-vested restricted stock units ("PSUs") earned by the reporting person pursuant to an award granted on February 28, 2025 under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended, and the related award agreement. The PSUs were subject to issuer performance goals based on hashrate hours, total exahash and deployed megawatts over the performance period beginning January 1, 2025 and ending on December 31, 2025. On February 18, 2026, the Talent, Culture and Compensation Committee of the issuer's Board of Directors certified the level of achievement of the applicable performance goals, resulting in the reporting person earning 509,119 PSUs. The earned PSUs remain subject to the applicable time-based vesting conditions set forth in the award agreement.

Represents the number of performance-vested restricted stock units ("PSUs") earned by the reporting person pursuant to an award granted on February 28, 2025 under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended, and the related award agreement. The PSUs were subject to issuer performance goals based on hashrate hours, total exahash and deployed megawatts over the performance period beginning January 1, 2025 and ending on December 31, 2025. On February 18, 2026, the Talent, Culture and Compensation Committee of the issuer's Board of Directors certified the level of achievement of the applicable performance goals, resulting in the reporting person earning 203,648 PSUs. The earned PSUs remain subject to the applicable time-based vesting conditions set forth in the award agreement.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

The reporting person and his spouse are trustees of the S & N Khan Family Trust, and members of the reporting person's immediate family are the sole beneficiaries of the trust.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects a grant of restricted stock units ("RSUs") made to the reporting person under the issuer's Amended and Restated 2018 Equity Incentive Plan, as amended. The RSUs will vest in full on January 31, 2027, subject to the reporting person's continued service to the issuer as of the vesting date. Each RSU represents a contingent right to receive one share of the issuer's common stock, par value $0.0001 per share.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.