BTCS Inc.

Transition of Roles for the Company’s Chief Operating Officer

On August 13, 2025, Michal Handerhan, the Company’s Chief Operating Officer and a member of the Board, transitioned from his position as Chief Operating Officer to the role of Operations Specialist, effective August 13, 2025. Mr. Handerhan and the Company have mutually agreed to terminate his employment agreement and RSU agreements, and Mr. Handerhan’s annual cash compensation will remain at $300,000 through June 30, 2026.

The transition is part of the Company’s realignment in light of recent growth and was not the result of any disagreement with the Company on any matter relating to its operations, policies, or practices.

10b5-1 Plans

On June 3, 2025, Michael Prevoznik, our Chief Financial Officer, adopted a Rule 10b5-1 trading plan in accordance with the company’s insider trading policies and procedures. The plan is effective as of September 2, 2025 and is scheduled to terminate on November 17, 2027, unless terminated earlier in accordance with its terms. Under the plan, up to 350,000 shares of the Company’s Common Stock may be sold, subject to the terms and conditions of the plan, including price thresholds, volume limitations, and blackout periods.

No other officers, as defined in Rule 16a-1(f), or directors adopted orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Regulation S-K Item 408, during the last fiscal quarter.

Investor Communications via X (formerly Twitter)

The Company uses the following X (formerly Twitter) accounts, @Charles_BTCS and @Nasdaq_BTCS, as supplemental channels for communicating with the public about the Company. While these channels may share news and updates that may be material to investors, investors should primarily rely on our official SEC filings and press releases for material information. The Company encourages investors, the media, and others interested in the Company to follow these accounts in addition to monitoring the Company’s filings with the SEC, press releases, and its website at www.btcs.com for information about the Company. The content on our website is not incorporated by reference herein.