CADELER A/S: COMPLETION OF SHARE BUY-BACK PROGRAMME AND DISCLOSURE OF REPURCHASE TRANSACTIONS MADE UNDER THE SHARE BUY-BACK PROGRAMME

30 May 2025 19:16 CEST

Copenhagen, 30 May 2025: Cadeler A/S (OSE: CADLR, NYSE: CDLR) (“Cadeler”) today
confirms that it has completed the share buy-back programme it announced on 26
May 2025 in advance of the programme’s anticipated termination date of 6 June
2025, as the maximum number of shares to be repurchased under the programme was
reached earlier than that date. The share buy-back programme has therefore been
terminated early.

Between 26 May 2025 and 30 May 2025, Cadeler repurchased 395,200 of its own
shares at an average price per share of NOK 49.92, corresponding to an aggregate
purchase price of NOK 19,728,604, or approximately EUR 1.7 million.

On 26 May 2025, Cadeler initiated a share buy-back programme of up to NOK 22.5
million (approx. EUR 1.9 million) to enable Cadeler to meet its obligations to
its employees arising from certain of Cadeler’s share-based incentive programmes
(the “Programme”) in accordance with Article 5 of Regulation (EU) no. 596/2014
of the European Parliament and of the Council of 16 April 2014, as amended (the
“Market Abuse Regulation”), and the Commissions Delegated Regulation (EU)
2016/1052 of 8 March 2016 (together with the Market Abuse Regulation, the “Safe
Harbour Rules”). Further details on the terms of the Programme can be found in
Cadeler’s stock exchange announcement dated 26 May 2025.

The following transactions were made under the Programme between the
commencement of the Programme on 26 May 2025 and 30 May 2025:

Date Venue Quantity Avg Price (NOK) Transaction value NOK (EUR)*
26 May 2025 XOSL 136,866 49.11 6,721,927 (EUR 580,110)
27 May 2025 XOSL 21,863 49.68 1,086,055 (EUR 93,728)
28 May 2025 XOSL 118,235 50.18 5,932,666 (EUR 511,996)
30 May 2025 XOSL 118,236 50.64 5,987,956 (EUR 516,768)
TOAL 395,200 49.92 19,728,604 (EUR 1,702,602)
*EUR figures presented based on the prevailing NOK/EUR exchange rate on 30 May
2025.

Details of each transaction made under the Programme are attached as an appendix
to this stock exchange announcement.

Following the conclusion of the Programme Cadeler holds a total of 478,345
shares in treasury, each with a nominal value of DKK 1.00 and corresponding in
the aggregate to less than 0.1% of Cadeler’s total share capital and voting
rights of Cadeler, as treasury shares.

For further information, please contact:

Mikkel Gleerup, CEO
+45 3246 3102
mikkel.gleerup@cadeler.com

Alexander Simmonds, EVP & CLO
+44 7376 174172
alexander.simmonds@cadeler.com

About Cadeler A/S:

Cadeler is a global leader in offshore wind installation, operations, and
maintenance services. Cadeler is a pure play company, operating solely in the
offshore wind industry with an uncompromising focus on safety and the
environment. Cadeler owns and operates the industry’s largest fleet of jack-up
offshore wind installation vessels and has for more than 10 years been a key
supplier in the development of offshore wind energy to power millions of
households. Cadeler’s fleet, expertise and capacity to handle the largest and
most complex next-generation offshore wind installation projects positions the
company to deliver exceptional services to the industry. Cadeler is committed to
being at the forefront of sustainable wind farm installation and to enabling the
global energy transition towards a future built on renewable energy. Cadeler is
listed on the New York Stock Exchange (ticker: CDLR) and the Oslo Stock Exchange
(ticker: CADLR).

For more information, please visit www.cadeler.com.

More information:
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648060_Share Repurchase (Completion) - 5.30.25.pdf
648060_Appendix - Transaction Data (2025).pdf