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

Copenhagen, 1 October 2025: Cadeler A/S ("Cadeler") has received notificationpursuant to article 19 of the Market Abuse Regulation (EU) no. 596/2014 of thebelow transaction related to shares in Cadeler made by persons dischargingmanagerial responsibilities in Cadeler and/or persons closely associated withthem.

BW Altor Pte. Ltd., a person closely associated with Andreas Sohmen-Pao,Chairman of the Board of Directors, has made the transactions described in theattached notification on the date set out therein.

Please see the attached file for further details.

For further information, please contact:

Mikkel GleerupCEO, Cadeler +45 3246 3102 mikkel.gleerup@cadeler.com

Alexander SimmondsEVP & CLO, Cadeler+44 7376 174172Alexander.simmonds@cadeler.com

About Cadeler A/S:

Cadeler is a global leader in offshore wind installation, operations, andmaintenance services. Cadeler is a pure play company, operating solely in theoffshore wind industry with an uncompromising focus on safety and theenvironment. Cadeler owns and operates the industry's largest fleet of jack-upoffshore wind installation vessels and has for more than 10 years been a keysupplier in the development of offshore wind energy to power millions ofhouseholds. Cadeler's fleet, expertise and capacity to handle the largest andmost complex next-generation offshore wind installation projects positions thecompany to deliver exceptional services to the industry. Cadeler is committedtobeing at the forefront of sustainable wind farm installation and to enablingtheglobal energy transition towards a future built on renewable energy. Cadelerislisted on the New York Stock Exchange (ticker: CDLR) and the Oslo StockExchange(ticker: CADLR). For more information, please visit www.cadeler.com

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