PTA — Adhoc: Rostra AG: Conclusion of share purchase agreement on 100 % in Congo Management S.A.R.L.U. (COMAN) and loan agreement for financing

Rostra AG by Wolfgang Maßberg Public disclosure of inside information according to article 17 MAR Düsseldorf (pta/14.10.2026/23:45) — Rostra AG announces that it has today entered into a share purchase agreement with Emmanuelle Makasabu Massudi for the acquisition of 100 % of the shares (parts sociales) in Congo Management S.A.R.L.U. (" COMAN"), a limited liability company (société à responsabilité limitée) incorporated under the laws of the Democratic Republic of the Congo. Completion of the share purchase agreement will take place unconditionally and immediately following today's signing. COMAN in turn holds 15 % of the share capital of Sicohydro S.A. (" Sicohydro"). Sicohydro is the sole owner of the 240 MW Busanga hydroelectric power plant in the Democratic Republic of the Congo. The purchase price amounts to up to USD 20,000,000 and is payable in two instalments: an instalment of USD 10,000,000 falls due upon completion of the transaction. A further instalment of USD 10,000,000 only falls due once COMAN has, following completion, for the first time actually received dividends or other distributions from Sicohydro in an aggregate amount of at least USD 1,000,000 (net of withhol