Company: RSI
Filing Date: 2025-04-14
Form Type: DEF 14A
Source: 0001793659-25-000098
Chunk: 1

Company: Rush Street Interactive, Inc.
Filing Date: 2025-04-14
Form: DEF 14A
Chunk 1
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 Transfer & Trust Company. To register and receive access to the virtual meeting, registered stockholders and beneficial stockholders (those holding shares through a stock brokerage account or by a bank or other holder of record) will need to follow the instructions applicable to them provided in this proxy statement.

Attached to this letter are a Notice of Annual Meeting of Stockholders and Proxy Statement, which describe the business to be conducted at the Annual Meeting.

Your vote is important to us. Whether you own a few shares or many, and whether or not you plan to attend the Annual Meeting, it is important that your shares be represented and voted at the meeting. Please act as soon as possible to vote your shares. You may vote your shares on the Internet, or by returning your signed proxy card that you received in the mail in the envelope provided. You may also vote your shares online during the Annual Meeting. For instructions on how to attend and vote your shares at the Annual Meeting, see the information in the accompanying Proxy Statement.

On behalf of the Board of Directors and management, it is my pleasure to express our appreciation for your continued support.

### NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
To the Stockholders of Rush Street Interactive, Inc.:

The annual meeting of stockholders (the “Annual Meeting”) of Rush Street Interactive, Inc. (“RSI”) will be held at 9:00 a.m., Central Time (10:00 a.m., Eastern Time), on May 29, 2025. We have determined that the Annual Meeting will be a virtual meeting conducted exclusively via live webcast in order to facilitate stockholder attendance. You are cordially invited to attend the Annual Meeting online by visiting https://www.cstproxy.com/rushstreetinteractive/2025 and using a control number assigned by Continental Stock Transfer & Trust Company. For instructions on how to attend and vote your shares at the Annual Meeting, see the information in the accompanying Proxy Statement in the section titled “ General Information About the Annual Meeting and Voting — How can I attend and vote at the Annual Meeting? ”

The Annual Meeting is being held to:

1. elect Leslie Bluhm, James Gordon and Richard Schwartz as Class II directors to serve for a three-year term ending at the 2028 Annual Meeting of Stockholders and until their respective successors are duly elected and qualified;

2. ratify the appointment of WithumSmith+Brown, PC as our independent registered public accounting firm for fiscal year 2025;

3. conduct a non-binding advisory vote on