RSI · Rush Street Interactive, Inc.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.44 to $28.90 per share. The Reporting Person undertakes to provide to 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.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.47 to $28.89 per share. The Reporting Person undertakes to provide to 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.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

On August 3, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.38 to $28.90 per share. The Reporting Person undertakes to provide to 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.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.53 to $28.77 per share. The Reporting Person undertakes to provide to 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.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $30.42 to $31.67 per share. The Reporting Person undertakes to provide to 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.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $29.95 to $31.66 per share. The Reporting Person undertakes to provide to 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.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

Shares were sold pursuant to a 10b5-1 plan.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $29.95 to $31.66 per share. The Reporting Person undertakes to provide to 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.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

On July 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

The stock options vest in three equal annual installments beginning on the first anniversary of the original grant date of March 14, 2025, subject to the Reporting Person's continued service through each such vesting date.

The stock options vest in three equal annual installments beginning on the first anniversary of the original grant date of March 15, 2024, subject to the Reporting Person's continued service through each such vesting date.

Represents a gift of 1,230 shares each to two of the Reporting Person's adult children.

The stock options vest in three equal annual installments beginning on the first anniversary of the original grant date of March 15, 2023, subject to the Reporting Person's continued service through each such vesting date.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $30.11 to $30.135 per share. The Reporting Person undertakes to provide to 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 shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person.

Shares were sold pursuant to a 10b5-1 plan.

Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.08 to $25.98 per share. The Reporting Person undertakes to provide to 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.

On June 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

On June 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.08 to $25.98 per share. The Reporting Person undertakes to provide to 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.

On June 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

On June 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.37 to $25.96 per share. The Reporting Person undertakes to provide to 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.

Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

On June 1, 2026, the Reporting Person and/or affiliated trusts exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), the number of Class A Common Stock Units ("RSI Units") set forth in this box for the same number of shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the Reporting Person and/or affiliated trusts, as applicable, being canceled.

Shares were sold pursuant to a 10b5-1 plan.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.08 to $25.98 per share. The Reporting Person undertakes to provide to 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.