Mining Activity for May 2026
• In May 2026, measured in bitcoins, server performance is stable compared
to the previous month
• With a Bitcoin price of around US$74,000, the annualized return for May 2026
is around 11% in a sustained market context
• This yield reinforces CBI's strategy, the objective being to return to an
annualized return of 20% thanks to the rise of Bitcoin
Paris, France, June 3, 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 May 2026, the yield of mining servers is around 11% annualized for a Bitcoin of
around US$74,000. This result is a testament to the stability and operational efficiency of
CBI's mining infrastructure, and reinforces the company's trajectory to progress towards a
target annualized return of 20% thanks to Bitcoin's expected rise.
In May 2026, Crypto Blockchain Industries (CBI) kept its Bitcoin mining infrastructure at full operational
capacity. The entire fleet, more than 700 operational servers, operated without major interruption, allowing for
regular production in line with forecasts. In May, the number of servers under review increased by 20 on
average, a figure comparable to April 2026.
Measured in US$, the annualized return for the month of May 2026 is around 11% for a Bitcoin close to
US$74,000. It is up from March 2026, when the return was around 8% for a Bitcoin in the same price zone.
Considering the volatility over the past few days, it is interesting to note that the annualized return over May
2026 would be around 8% for a Bitcoin at $70,000, and around 16% for a Bitcoin at $80,000. The objective is
to return to an annualized return of 20% thanks to the rise in Bitcoin.
This return is calculated 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 of which is reduced on an
annual basis. The resale price of the servers is not taken into account in these estimates.
This profitability reflects the continuous control of operating costs, the energy efficiency of the infrastructure
deployed and the effectiveness of the optimization measures implemented throughout mining operations.
This profitability is also 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 preliminary electricity
billing by Blockware Solutions. If this invoice is subsequently adjusted by Blockware Solutions to take into
account the actual consumption, the estimated yield is then adjusted retroactively.
1Composition of the portfolio of crypto-assets and similar assets, including mining servers
CBI's portfolio of crypto-assets and related assets recorded a stable performance compared to the previous
month, supported by the Bitcoin price of around US$74,000 and the maintenance of the entire mining server
park at full capacity.
The portfolio remains a substantial size, guided by a sustained accumulation objective. It consists mainly of
Bitcoins received as part of mining operations, the value of which benefited from the stability of the price in
May 2026, in addition to assets directly related to the production infrastructure, in particular the 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, a strategy that is now supported by market dynamics.
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https://www.actusnews.com/documents_communiques/ACTUS-0-98524-cbi-2026-06-03-cbi-mining-activity-for-may-2026-vdef.pdf
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