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

By Oslo Stock Exchange

Copenhagen, September 22, 2026: Cadeler A/S ("Cadeler") has received notification pursuant to article 19 of the Market Abuse Regulation (EU) no. 596/2014 of the below transactions related to shares in Cadeler A/S made by persons discharging managerial responsibilities in Cadeler A/S and/or persons closely associated with them.

Mikkel Gleerup, Chief Executive Officer, and Peter Brogaard Hansen, Chief Financial Officer, respectively, have made the transactions described in the attached notifications on the dates 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:

Cadeler A/S (Cadeler) is a pure-play offshore wind installation partner and a global leader in offshore wind turbine transport and installation. The company owns and operates the industry's largest fleet of jack-up offshore wind installation vessels and is expanding its capabilities into full-scope foundation transport and installation, as well as operations & maintenance. With its modern fleet and depth of expertise across onshore and offshore operations, Cadeler supports the safe, efficient and reliable delivery of offshore wind projects worldwide. 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.

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