Strategic Update, Share Buyback and Bitcoin Mining Activity for the Month of August 2026

• CBI operates in Bitcoin mining and aims to expand its business by adding dedicated servers for artificial intelligence
• The annualized mining yield for August 2026 is above 10% given Bitcoin's rebound towards US$79,000 (+24-25% over August 2026)
• CBI will propose to allocate 25% of mining profits annually to the repurchase of CBI shares on the market at a maximum price of 1 euro per CBI share

Paris, France, September 2, 2026, at 8:00 a.m. CET (CBI, Euronext Growth Paris: FR0014007LWO – ALCBI; OTCQB: CBIPF) – CRYPTO BLOCKCHAIN INDUSTRIES ("CBI") announces that, for the month of August 2026, the annualized yield of mining servers measured in US dollars is more than 10%, given Bitcoin's rebound towards US$79,000 (+24-25% in August 2026). Measured in Bitcoins, the yield is slightly lower than the July 2026 return again due to limitations in access to the electricity grid over a few days, given occasional restrictions. After the 2026 Annual Meeting, CBI will propose to allocate 25% of mining profits annually to the repurchase of CBI shares on the market at a maximum price of 1 euro per CBI share.

Mining activity

Measured in US dollars, the annualized return for August 2026 is more than 10%, given Bitcoin's rise to US$79,000. Bitcoin has indeed gained +24-25% in August 2026. This yield is insufficient and the objective remains to return, thanks to Bitcoin's rise, to 20% per year.

Measured in Bitcoins, the return for the month is slightly lower than the return in July 2026, again due to limitations in access to the electricity grid due to one-off restrictions.

This return is calculated only on a cash basis, by relating the gross margin generated by the activity (Bitcoins received during the month minus the monthly electricity bill) to the amount invested in the servers, all brought back on an annual basis. Accounting depreciations, as well as the resale price of the servers, are not taken into account in these estimates.

This profitability is likely to increase or decrease depending on various criteria, including the purchase price of the servers, the price of Bitcoin which directly influences the value of the commissions received, the cost of electricity, as well as the difficulty rate of the Bitcoin network which measures the complexity of mining a block. These annualized return figures are estimated for a given month, based on a preliminary electricity bill established by Blockware Solutions. In the event that this invoice is subsequently adjusted by Blockware Solutions to take into account the actual consumption, the estimated return is then adjusted retroactively.

Repurchase of CBI shares on the market at a maximum price of €1 per CBI share

CBI will propose to allocate 25% of mining profits annually to the repurchase of CBI shares on the market at a maximum price of 1 euro per CBI share.

This decision will be reviewed by the Board of Directors after the Combined Annual General Meeting on September 24, 2026. The majority shareholder, Ker Ventures, supports this proposal to buy back CBI shares on the market at a maximum price of €1 per CBI share.

Composition of the portfolio of crypto-assets and similar assets, including mining servers

CBI's portfolio of crypto-assets and related assets (see Table) is up compared to the previous month, given the rise of Bitcoin towards US$79,000.

The portfolio remains large and consists mainly of Bitcoins received in mining operations, the value of which rose during the month, in addition to assets directly related to the production infrastructure, in particular mining servers. It also includes fiat currency reserves that the group plans to deploy in accordance with its capital allocation policy. Tokens created by CBI itself are not subject to an accounting valuation.

It should be remembered that some listed crypto-assets are held for periods of more than twelve months, as part of a long-term investment strategy.

CBI's portfolio of crypto-assets and related assets

Warnings

The implementation of CBI's projects, as well as their operating budget and financing plan, remain fundamentally subject to significant uncertainties. Failure to comply with the underlying assumptions could have a material and negative impact on the value of CBI's assets and liabilities. In addition, investing in crypto-assets involves risks related in particular to their intrinsic volatility, which may affect CBI's financial performance. CBI reminds investors that the past performance of crypto-assets is not a guarantee of their future performance. A detailed description of the risks associated with an investment in CBI's securities is available in the Company's financial reports on its website www.cbicorp.io.

CBI shares have a very high volatility. It is not suitable for investors who are not able to bear the loss of their entire investment or large fluctuations in the value of their portfolio.

About CRYPTO BLOCKCHAIN INDUSTRIES SA

CRYPTO BLOCKCHAIN INDUSTRIES ("CBI") is a French company listed on Euronext Growth (compartment E2) and OTC, whose objective is to build the largest possible portfolio of Bitcoins and other crypto-assets by acquiring them at below-market prices via the ACE strategy: buy mainly Bitcoins on the market (ACQUIRE), develop utility tokens and proprietary digital assets that can be sold in exchange for Bitcoins (CREATE – development currently paused), and acquire Bitcoins at a reduced cost through mining operations (EARN) as part of a long-term strategic partnership with Blockware Solutions, a provider specializing in the infrastructure and hosting of Bitcoin mining operations in the United States. For more information, visit www.cbicorp.io.

Contacts

Transmitter – CBI

info@cbicorp.io

Euronext listing sponsor - Atout Capital

info@atoutcapital.com

OTC Listing Sponsor - Aldebaran Global Advisors

hello@aldebaran-advisors.com