[Unofficial translation:] Notification of personal transactions by managers pursuant to Article 19 MAR
1 Information on persons discharging managerial responsibilities and persons closely associated with them
| a) Name | Rostra Holdings Pte. Ltd. |
2 Reason for notification
| a) Position/status | Closely associated |
| b) Initial notification | Timothy Nuy Supervisory Board |
3 Information on the issuer, the participant in the emissions allowance market, the auction platform, Information on the issuer, the participant in the market for emission allowances, the auction platform, the auctioneer, or the auction monitor
| a) Name | Rostra AG |
| b) LEI | 894500IFXG2OP0EKXD21 |
4 Information on the transaction(s)
| a) Description of the financial instrument, type of instrument Identifier | Share DE000A3MQRK6 |
| b) Type of transaction | Other Acquisition of 1,479,808 shares as part of a capital increase against contributions in kind at an issue price of EUR 1.00 per share |
| c) Price(s) Volume cannot be quantified | cannot be quantified |
| d) Aggregate price cannot be quantified | Aggregate volume cannot be quantified |
| e) Date of transaction | December 19, 2025 UTC+1 |
| f) Place of transaction | Outside a trading venue |