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Correction to announcement of 15 April 2026: Court of Appeal Damages Award

16 June 2026     Correction: This replaces the announcement released at 07:00 on 15 April 2026 that contained a comment querying the total expected recovery amount. This amount was correct although reference to approximately €4,500 of general expenses has now been added for clarity. The full updated announcement is provided below.     Quantum Blockchain Technologies plc("QBT" or the "Company")     Court of Appeal Damages Award in Favour of QBT Subsidiary Clear Leisure 2017 Limited     Quantum Blockchain Technologies plc (AIM: QBT), the investment

Disposal of Interest in ForCrowd

11 June 2026 Quantum Blockchain Technologies Plc("QBT" or the "Company") Disposal of Interest in Forcrowd S.r.l. Quantum Blockchain Technologies Plc (AIM: QBT) announces that it has entered into a binding agreement for the disposal of its entire remaining equity interest in Forcrowd S.r.l. ("Forcrowd"), the Italian fintech and crowdfunding platform in which QBT has been a shareholder since its initial investment in October 2019. The disposal forms part of QBT's strategy of focusing its resources and management attention on its core activities in blockchain technologies,

AI Oracle Testing Update

8 June 2026   Quantum Blockchain Technologies Plc("QBT" or "the Company")     Update on Method C AI Oracle Development for the ASIC Manufacturers Mining Rig   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research and development programme within blockchain technology, provides an update on the ongoing development and testing of its Method C AI Oracle software on the ASIC manufacturer's mining rig and Mining Development Kit ("MDK").   Further to the Company's announcement of 6 May 2026, QBT is

Renewal of Warrants

28 May 2026   Quantum Blockchain Technologies plc("QBT" or "the Company")     Renewal of Warrants   QBT (AIM: QBT), the AIM-listed research and development company focused on blockchain technologies, is pleased to announce that, further to the expiry of previously issued warrants on 6 May 2026, the Board has approved the grant of new warrants over approximately 269,500,000 ordinary shares of £0.0025 each in the capital of the Company (the "Warrants") to certain directors, employees and consultants.   The Warrants are being granted on substantially the same basis

Extension of Bond Maturity Date

14 May 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     €3.5m Zero-Coupon Bond – Maturity Extension to Dec 2028   Quantum Blockchain Technologies (AIM: QBT) announces that the Company has agreed with MC Strategy S.A. the sole Bondholder of the Company’s €3.5m Zero-Coupon Bond (“Bond”) issued in 2020 (as initially announced on 9 November 2020) and subsequently partially converted into QBT new ordinary shares for €1m on 7 July 2023, to further extend the maturity of the Bond from 15 December 2026 to 15 December 2028.   All other terms of the

Quantum Computing Research Programme

8 May 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Update on Quantum Computing Research Programme   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology, is pleased to provide an update on its quantum computing research programme in relation to Bitcoin mining.   Further to the Company’s previous announcement of 6 January 2023, QBT confirms that it has resumed its quantum computing research activities. This

Update on EU and US Patent Applications

7 May 2026 Quantum Blockchain Technologies Plc(“QBT” or “the Company”) Update on European and US Patent Applications - “ASIC Ultra Boost” European Patent Application Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology, provides an update in relation to its European patent application referred to as “ASIC Ultra Boost” (European Patent Application No. 22793447.8, titled “Message Scheduling for Cryptographic Hashing”), following receipt of an

Update on Method C - AI Oracle Testing

6 May 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Update on Method C AI Oracle Porting and MDK Testing   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology, is pleased to provide an update on the ongoing development and testing of its Method C AI Oracle software on the ASIC manufacturer’s mining rig and Mining Development Kit (“MDK”).   Further to the Company’s announcement of 8 April 2026, QBT confirms

Total Voting Rights

30 April 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Total Voting Rights   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology, advises that for the purposes of the Disclosure Guidance and Transparency Rules, the Company has 1,608,083,941 ordinary shares of 0.25 pence each in issue. Shareholders may use this figure as the denominator for the calculations by which they will determine if they are required to notify

Result of Bondholders' Meeting

15 April 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Results of Bondholders’ Meeting   Quantum Blockchain Technologies (AIM: QBT) announces the results of the Bondholders’ meeting held on 15 April 2026 at the Company’s registered office. In relation to the Company’s zero-coupon bond originally issued in 2013 (the “Bond”), all proposed resolutions were duly passed.   As a result of the approval of the resolutions:   · the maturity date of the Bond has been extended to 15 December 2028; · the conversion price has been amended

Court Damages Award

15 April 2026   Quantum Blockchain Technologies plc("QBT" or the "Company")     Court of Appeal Damages Award in Favour of QBT Subsidiary Clear Leisure 2017 Limited   Quantum Blockchain Technologies plc (AIM: QBT), the investment company focused on blockchain technologies, announces that its wholly owned subsidiary, Clear Leisure 2017 Limited ("CL2017"), has received a favourable judgment from the Court of Appeal of Turin, Italy.   The Court has fully upheld CL2017’s appeal, overturning the trial court’s decision and ordering the defendant to pay:   •

Update on Sipiem Recovery Action

10 April 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Sipiem Recovery Action and Mediapolis Update   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company, provides an update on the recovery action relating to the Sipiem In Liquidation Srl (“Sipiem”) litigation, following its update of 19 March 2026, and its position in the Mediapolis Srl (“Mediapolis”) insolvency.    Sipiem As previously announced, pursuant to a judgment issued by the Venice, Italy Court of Appeal on 10 June 2024, QBT via its wholly owned

Update on ASIC Manufacturer AI Oracle Test

8 April 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Update on ASIC Manufacturer AI Oracle Test   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company, is pleased to announce that it has found a way to accelerate the live testing of its Method C AI Oracle software on the mining rig of the ASIC manufacturer, the loan of which QBT announced on 6 March 2026. This work around is expected to shorten live-testing timelines and deliver earlier preliminary results of the AI Oracle which the Company now expects to receive

Update on US Patent Application

1 April 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Update on US Patent Application – ASIC Ultra Boost   Further to the Company’s announcement of 23 March 2026, Quantum Blockchain Technologies Plc (AIM: QBT) provides an update in relation to its US patent application titled “ASIC Ultra Boost” (US Patent Application No. 18/696,073) which has received a “Final Rejection” from the United States Patent and Trademark Office (“USPTO”), together with a detailed report from its US patent attorneys.   As previously disclosed, the issuance of a “

Porting AI Oracle onto an Antminer S9

24 March 2026     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     Commencement of Testing of the AI Oracle on a Bitmain Mining Rig   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology is pleased to confirm that an internal project, which it started in August 2025, to use a Bitmain Antminer S9 (“S9”) mining rig as a testing and commercial demonstration environment for the software version of QBT’s Method C’s AI Oracle,

Bondholders' Meeting & Update on Patents

23 March 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Call of Bondholders’ Meeting and Update on US and European Patent Applications     Bondholders’ Meeting Quantum Blockchain Technologies (AIM: QBT), the AIM listed investment company, announces that it has written to the holders of the Company’s Zero-Coupon Bonds (ISIN XS0891139031), originally issued in 2013 and most recently amended at the Bondholders' meeting held on 22 February 2024 (the “Bonds”), calling a meeting to seek Bondholders’ approval of the following proposals (the “

Update on Sipiem Funds Recovery

19 March 2026   Quantum Blockchain Technologies Plc(“QBT” or “the Company”)     Sipiem Recovery Actions Update   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company, provides an update on the recovery actions relating to the Sipiem litigation. Pursuant to a judgment issued by the Venice, Italy Court of Appeal on 10 June 2024, the Company via its wholly owned subsidiary Clear Leisure 2017 (“CL2017”) was awarded damages in excess of €6 million plus interest and additional compensation for inflationary loss over time (the “Awarded Amount”).

Delivery of Bitcoin Mining Rig

6 March 2026     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     Method C Software AI Oracle Porting onto First Third-Party Mining Rig   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology is pleased to confirm that the first Bitcoin mining rig has been shipped by one of the three ASIC manufacturers with whom the Company is seeking to partner.   Initial testing of the nominal specifications by the Company’s US-

Patent Applications Update

5 March 2026     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     Patent Applications Update   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology is pleased to provide the following update on the status of its three patent application families filed to date. Each patent application family relates to a respective invention and contains multiple applications in various jurisdictions.     Shareholders are able to

Update following Nashville Bitcoin Conference

4 February 2026     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     General Update following Nashville Bitcoin Conference   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company, reports on developments following its attendance at the Nashville Energy & Mining Summit (NEMS26) at Bitcoin Park on 22nd and 23rd January 2026.   The gathering saw key representatives of the Bitcoin industry attending as participants, allowing QBT’s management team to engage with those ASIC manufacturers which have signed NDAs with the

Sipiem Court Update

17 December 2025     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     Sipiem Court Case Update   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company, provides below an update on the Sipiem litigation, through which the Company was awarded damages in excess of €6 million (plus interest and further compensation for inflation loss over time) pursuant to a judgment issued by the Venice Court of Appeal on 10 June 2024.      The same Appeal Court ruling further awarded the Company’s wholly-owned subsidiary, Clear

Business Update

5 December 2025     Quantum Blockchain Technologies Plc (“QBT” or “the Company”)     Business Update   Quantum Blockchain Technologies plc (AIM: QBT), the AIM-listed investment company focused principally on a research, development and investment programme within blockchain technology is pleased to provide the following update regarding progress towards the commercialisation of its Bitcoin software products.   Throughout 2025, the Company has been engaging with several major companies within the Bitcoin mining sector. As a result of these activities, QBT has

Interim Results

24 September 2025     Quantum Blockchain Technologies plc ("Quantum Blockchain Technologies", “the Group” or "the Company")     INTERIM RESULTS For the 6 Months Ended 30 June 2025   Quantum Blockchain Technologies (AIM: QBT), the AIM-listed investment company focusing on a R&D and investment programme within blockchain technology, is pleased to announce its Interim Results for the six months ended 30 June 2025.     For further information please contact:   Quantum Blockchain Technologies Plc Francesco Gardin, CEO and Executive Chairman  +39

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