Cadeler A/S

Major Shareholding Notification • Dec 2, 2025

CADELER A/S: NOTIFICATION OF MAJOR SHAREHOLDING

CADELER A/S: NOTIFICATION OF MAJOR SHAREHOLDING

Copenhagen, 2 December 2025: Cadeler A/S (“Cadeler”) hereby announces that it has received the following major shareholder notification pursuant to Section 38 of the Danish Capital Markets Act and Section 55 of the Danish Companies Act, respectively, regarding direct and indirect holdings of shares in Cadeler.

Nordea Funds Ltd.’s indirect shareholding in Cadeler has changed in connection with an indirect purchase of shares in Cadeler on 21 November 2025.

As a consequence thereof, Nordea Funds Ltd. indirectly controlled, as of 21 November 2025, 17,636,378 Cadeler shares of a nominal value of DKK 1 each, corresponding to 5.02% of Cadeler’s total share capital and voting rights.

Nordea Funds Ltd. is a limited liability company organised under the laws of Finland under the registration number 1737785-9 with its registered address at Satamaradankatu 5, Helsinki, FI-00020, Finland. Nordea Funds Ltd. is not controlled by any natural person or legal entity.

For further information, please contact:

Mikkel Gleerup

CEO, Cadeler

+45 3246 3102

mikkel.gleerup@cadeler.com

Alexander Simmonds

EVP & CLO, Cadeler

+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