Rush Street Interactive, Inc.

Securities Trading Plans of Directors and Executive Officers

During the three months ended September 30, 2026, none of our directors or executive officers adopted orterminated any contract, instruction or written plan for the purchase or sale of the Company’s securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement”, except as described in the table below:

1 Denotes whether the trading plan is intended, when adopted, to satisfy the affirmative defense of Rule 10b5-1 (c).

2 The aggregate number of shares to be sold may differ based on tax withholdings for vesting equity awards and actual market achievement for performance stock units. The amount listed for such officer reflects the maximum number of shares available to be sold without reducing estimated shares to be sold to cover applicable withholding taxes and assuming maximum achievement with respect to his performance stock units.

3 Represents the adoption of a Rule 10b5-1 trading plan by Mr. Schwartz individually and by trusts affiliated with him. The plans provide for the potential sale of up to 1,220,991 shares of the Class A Common Stock by Mr. Schwartz, up to 278,978 shares by the Richard T. Schwartz Revocable Trust U/A DTD 10/25/2024 and up to 259,764 shares by the Lori R. Schwartz 2025 Gift Trust U/A DTD 3/28/2025, each of which Mr. Schwartz, serves as trustee, and up to 259,764 shares by the Richard T. Schwartz 2024 Gift Trust U/A DTD 10/25/2024, of which Mr. Schwartz’s spouse serves as trustee.

4 Represents the adoption of a Rule 10b5-1 trading plan by trusts affiliated with Mr. Stetz. The plans provide for the potential sale of up to 270,866 shares of Class A Common Stock by Mr. Stetz and up to 84,116 shares by OAN Trust, of which Mr. Stetz’s spouse serves as trustee.