Change of Name to London BTC Company Limited

3 July 2025

Vinanz Limited

("Vinanz" or "the Company")

(BTC:L and VINZF:US)

Change of Name Today to London BTC Company Limited

London, New York, July 3 2025, Vinanz Limited, the London Stock Exchange Main Market-listed Bitcoin treasury company with active mining operations across the United States and Canada, announces that further to the announcement made on 5 June 2025, its change of name from Vinanz Limited to London BTC Company Limited has now become effective and is expected to take effect on the London Stock Exchange today, 3 July 2025, at 8.00 a.m.

The Company's ticker symbol on the London Stock Exchange will remain unchanged as "BTC", ensuring continuity for our shareholders and market partners. The Company confirms that there will be no change to the Company's ISIN (VGG9520B1004) and the Company's LEI (9845006607892CED8456) will also remain the same.

Following the change of name, the Company's website address will be updated and available at https://ldnbtc.com.

Shareholders will be unaffected by the change of name, and existing share certificates should be retained and remain valid.

Hewie Rattray, CEO of the London BTC Company Limited, comments

"This name change marks a defining moment in our evolution. At the London BTC Company we're doubling down on our mission to provide investors with clean, direct and amplified exposure to Bitcoin investing - all through a fully regulated, London Stock Exchange main board listed company, on the world's most historic and one of the world's most respected stock exchanges. We're building the playbook for Bitcoin capital markets in London."

The directors of the Company accept responsibility for this announcement.

For further information please contact:

London BTC Company Limited

Hewie Rattray, CEO ​[email protected] ​[email protected]

Rob Scott, Finance Director [email protected] [email protected]

David Lenigas, Chairman [email protected] [email protected]

Jeremy Edelman [email protected] [email protected]

First Sentinel (Corporate Adviser)

Brian Stockbridge [email protected]

+44 (0) 20 3855 5551

Clear Capital Markets (Broker)

Bob Roberts [email protected]

+44 (0) 20 3869 6080

Square1 Consulting (Financial PR)

David Bick [email protected]

+44 (0) 20 7929 5599

+44 (0) 7831 381201

About London BTC Company Limited

The Company's primary listing is in London (United Kingdom) on the London Stock Exchange under the ticker "BTC.L" and trades in the USA on the US OTCQB under the ticker "VINZF". The Company is building up a strategic Bitcoin holding through acquiring Bitcoin as a treasury and currency management tool and by adding Bitcoin through its own Bitcoin mining operations in North America. The Company currently has miners installed in multiple third-party hosting facilities in Indiana, Iowa, Nebraska and Texas in the USA and in Labrador (Canada).

This announcement contains information which, prior to its disclosure, was inside information as stipulated under Regulation 11 of the Market Abuse (Amendment) (EU Exit) Regulations 2019/310 (as amended).