[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) NameRostra Holdings Pte. Ltd.

2 Reason for notification

a) Position/statusClosely associated
b) Initial notificationTimothy 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) LEI894500IFXG2OP0EKXD21

4 Information on the transaction(s)

a) Description of the financial instrument, type
of instrument
Identifier
Share

DE000A3MQRK6
b) Type of transactionPurchase
c) Price(s) Volume
EUR 1.80
EUR 1.80
EUR 1.80
EUR 1.80
EUR 1.80

EUR 5,400.00
EUR 1,800.00
EUR 1,800.00
EUR 9,000.00
EUR 720.00
d) Aggregate price
EUR 1.80
Aggregate volume
EUR 18.720,00
e) Date of transactionDecember 2, 2025 UTC+1
f) Place of transaction
MIC
Xetra
XETR (Xetra)