Notes of the Financial Statements 2025 Principles General aspects These financial statements have been prepared in accordance with Swiss accounting law, in particular the provisions of the Swiss Code of Obligations relating to commercial bookkeeping and accounting (Art. 957–962 CO). The Foundation exceeded the statutory size thresholds requiring an ordinary audit in accordance with Art. 727 para. 1 item 2 CO. As a result, and pursuant to Art. 963b para. 1 CO, the Foundation is required to prepare consolidated financial statements. The consolidated financial statements for the financial year 2025 will be prepared for the first time in accordance with Swiss GAAP FER as the chosen acknowledged accounting standard. Cash and cash equivalents Cash and cash equivalents comprise bank balances and other short-term liquid investments with an original maturity of three months or less. They are stated at nominal value. Crypto Assets Crypto assets are recorded at the lower of acquisition or market value. Financial assets Assets with a market value are measured at the lower of acquisition or market value. Received interest on loans are realized through the profit and loss statement at that point in time. The change of net asset value of the funds are accumulated on the balance sheet and reflected in the profit and loss statement. Participations Participations are measured at acquisition cost. Value adjustments are recognized where there is an indication of impairment. Tangible assets Tangible assets are measured at acquisition cost less accumulated depreciation and any impairment losses. Exchange rates applied The following exchange rates were applied in preparing the financial statements: 2025 2024 USD 0.79342 0.90432 EUR 0.93146 0.94179 GBP 1.06623 1.13501 Information on balance sheet and income statement items 1. Crypto assets In TCHF Units 31.12.2025 Units 31.12.2024 Bitcoin (BTC) 656 1,207 1,054 1,628 Cardano (ADA) 561,357,269 64,279 599,070,170 58,802 Others - 0 0 0 Total 65,486 60,430 In 2025 part of the Bitcoin holdings was invested in loans and collective investment schemes. 2. Related parties The following balance sheet line items present balances with related parties: in TCHF 31.12.2025 31.12.2024 Other short-term receivables 10 61 Prepaid expenses and accrued income 33 9 Accrued expenses, deferred income and short term provisions 0 27 Total 43 97 3. Financial assets In TCHF 31.12.2025 31.12.2024 Loan to Third Parties 22,072 14,300 Shares 13,387 0 Collective investment schemes 8,443 0 Total 43,903 14,300 4. Participations Capital Voting rights 31.12.2025 31.12.2024 31.12.2025 31.12.2024 Cardano AG, Zug, Switzerland 100% 100% 100% 100% CF Services GmbH, Berlin, Germany 100% 100% 100% 100% CF Operations Ltd, Cork, Ireland 100% 100% 100% 100% 5. Provisions In TCHF 31.12.2025 31.12.2024 Provisions for earnmarked achievements 121,161 101,811 Provisions for development 0 335 Total 121,161 102,146 30 Cardano Foundation Financial Insights Report 2025