Periodic report • 5 February 2026

Quarterly report for Q4 2025

Warsaw, 5 February 2026

The Management Board of BTCS S.A. announces the periodic report covering the fourth quarter of 2025.

The Management Board of BTCS Spółka Akcyjna, with its registered office in Warsaw at Plac Powstańców Warszawy 2, 00-030 Warsaw, entered into the Register of Entrepreneurs of the National Court Register under KRS number 0000390734, with ISIN code: PLVKMTK00015 and LEI code: 259400F1ML9OGF3R9703 (the "Issuer"), hereby announces to the public the content of the periodic report covering the fourth quarter of 2025.

Legal basis: § 5 section 1 point 1) of Appendix No. 3 to the Regulations of the Alternative Trading System “Current and periodic information disclosed in the alternative trading system on the NewConnect market”.