Temporary Suspension of trading

Stack BTC Plc

("the Company")

Temporary Suspension of trading on AQSE Growth Market

Stack BTC Plc (STAK), the UK-based investment company focused on providing regulated and transparent exposure to Bitcoin through direct investment and disciplined treasury management, announces the temporary suspension of trading in its shares.

As previously announced in the shareholder circular dated 21 November 2025, all Existing Ordinary Shares will be converted into B Shares on 19 January 2026.

Accordingly, the Company's shares will be suspended from trading on the AQSE Growth Market from 7:00 a.m. on 19 January 2026 and for the entirety of 20 January 2026. Trading is expected to be restored at market open on 21 January 2026 at which time 20,000,000 New Ordinary Shares are expected to be admitted to trading.

For further information please contact:

Stack BTC Plc Jai Patel Chief Executive Officer	[e-mail]
VSA Capital Limited (AQSE Corporate Adviser) Andrew Raca Sam Gurung	[phone]

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