STUB · StubHub Holdings, Inc.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.545 to $6.880.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.8400 to $6.8450.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.62 to $6.85. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.7500 to $6.7950. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.005 to $7.155. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.09. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's non-employee director compensation program, which vest in accordance with the terms of the applicable award. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

The Reporting Person has agreed to assign to Deer Management Co, LLC the right to any shares issuable pursuant to any grants of RSUs or any proceeds from the sale thereof.

Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's non-employee director compensation program, which vest in accordance with the terms of the applicable award. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 to $14.01. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 to $14.01. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.16. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.06. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Represents an award of restricted stock units ("RSUs"). The RSUs vest in twelve substantially equal monthly installments beginning on July 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.10. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.14. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.16. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The option is fully vested.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations and to pay the exercise price of the option. Not a market sale.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.20 to $11.59. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.01 to $10.50. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

Represents an award of RSUs. The RSUs vest in four substantially equal quarterly installments beginning on March 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

Represents an award of restricted stock units ("RSUs"). The RSUs vest in six substantially equal quarterly installments beginning on March 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

Represents an award of restricted stock units ("RSUs"). The RSUs will vest in substantially equal quarterly installments over a four year period beginning on March 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.

Represents an award of restricted stock units ("RSUs"). The RSUs vest in four substantially equal quarterly installments beginning on March 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

Represents an award of restricted stock units ("RSUs"). The RSUs vest in six substantially equal quarterly installments beginning on March 31, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.00 to $9.16. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Represents an award of restricted stock units ("RSUs"), which vested in full upon the grant date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.52 to $7.68. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Represents an award of RSUs, of which 15,353 RSUs vested upon the grant date. Approximately 75% of the remaining RSUs will vest in four substantially equal monthly installments beginning on June 1, 2026 and approximately 25% of the remaining RSUs will vest in three substantially equal monthly installments beginning on October 1, 2026. Each RSU represents a contingent right to receive one share of Issuer Class A common stock.

These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale.