CADELER A/S: REPORTING ON TRANSACTIONS IN CADELER A/S SHARES BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM

Copenhagen, 1 July 2025: Cadeler A/S (“Cadeler”) has received notification pursuant to article 19 of the Market Abuse Regulation (EU) no. 596/2014 of the below transaction related to shares in Cadeler made by persons discharging managerial responsibilities in Cadeler and/or persons closely associated with them. Scorpio Holdings Limited and Scorpio Services Holding Limited, each closely associated persons to Emanuele Lauro, Vice-Chairman of the Board of Directors, entered into the intra-group transaction described in the attached notifications on the date set out therein. Please see the attached files for further details. 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