EURONEXT DUBLIN
COMPANY ANNOUNCEMENT
Castellum Helsinki Finance Holding Abp (the “Issuer”)
Series 6 EUR 650,000,000 0.875 per cent. notes due 17 September 2029; and
Series 7 EUR 500,000,000 2.000 per cent. notes due 24 March 2025
issued under the Castellum €3,000,000 Euro Medium Term Note Programme
(the “Notes”)

The Notes are admitted to the regulated market of the Irish Stock Exchange plc, trading as Euronext Dublin and to trading on its regulated market.

This announcement contains inside information as defined in Article 7 of the Market Abuse Regulation (EU) 596/2014 (“Market Abuse Regulation”) and is disclosed in accordance with the Issuer’s obligations under Article 17 of the Market Abuse Regulation.

For the purposes of MAR and Article 2 of Commission Implementing Regulation (EU) 2016/1055, this announcement is made by Jens Andersson, Chief Financial Officer of the Issuer.

Castellum Helsinki Finance Holding's parent company, Castellum, receives changed credit rating to Baa3 with positive outlook

Moody's Investors Service has in a press release affirmed Castellum's credit rating of Baa3 and changed the outlook from stable to positive. The change to positive outlook reflects the continued good operating and financial performance of Castellum.

− A strengthened credit rating is expected to result in lower capital costs and reduced refinancing risk over time. Obtaining a positive outlook on the credit rating shows that the work to strengthen the company's credit profile is paying off, says Joacim Sjöberg, CEO of Castellum AB.

For further information, please contact the Issuer at the details below.

Email: jens.andersson@castellum.se

Castellum Helsinki Finance Holding Abp