REMINDER: The offer period for the share exchange offer by Cadeler plc to the shareholders of Cadeler A/S in connection with Cadeler's redomiciliation from Denmark to the United Kingdom period expires today, 21 October 2026, at 5:00 PM EST / 11:00 PM CEST

THIS ANNOUNCEMENT IS NOT A PROSPECTUS AND DOES NOT CONSTITUTE AN OFFER TO
PURCHASE, OR A SOLICITATION OF AN OFFER TO SELL, ANY SECURITIES. THE OFFER IS
MADE IN THE EU/EEA SOLELY BY MEANS OF THE PROSPECTUS (AS DEFINED BELOW), AND IN
THE UNITED STATES, THE U.S. PROSPECTUS/OFFER TO EXCHANGE (AS DEFINED BELOW).
COPIES OF THE PROSPECTUS OR THE U.S. PROSPECTUS/OFFER TO EXCHANGE, AS
APPLICABLE, MAY BE OBTAINED THROUGH THE WEBSITE OF CADELER AS SET FORTH
ELSEWHERE IN THIS ANNOUNCEMENT. THIS ANNOUNCEMENT IS NOT FOR RELEASE,
PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR
INTO ANY JURISDICTION IN WHICH THE RELEASE, PUBLICATION OR DISTRIBUTION IS
UNLAWFUL OR REQUIRES REGISTRATION OR ANY OTHER MEASURES.

Copenhagen, 21 October 2026 - Reference is made to the stock exchange
announcement made by Cadeler A/S ("Cadeler", and together with its consolidated
subsidiaries, the "Cadeler Group") on 21 September 2026, regarding the launch of
the voluntary offer by Cadeler plc to all holders of shares in Cadeler, each
with a nominal value of DKK 1.00 (the "Cadeler Shares"), including Cadeler
Shares represented by American Depositary Shares (each representing four (4)
Cadeler Shares) ("Cadeler ADSs"), to exchange each Cadeler Share for one (1)
share in Cadeler plc each with a nominal value of USD 1.00 (the "Offer") in
connection with the contemplated redomiciliation of the Cadeler Group's parent
company from Denmark to the United Kingdom (the "Redomiciliation").

The Offer period is scheduled to expire today, 21 October 2026, at 5:00 PM
Eastern Time / 11:00 PM CEST, subject to any extension. Cadeler plc may, in its
sole, discretion extend the Offer period (one or more times) up to a total of 10
weeks from and including 22 September 2026. If the Offer period is extended up
to a total of 10 weeks, the latest possible date for the expiry of the Offer
period is 1 December 2026.

The Offer is subject to certain conditions, as further set out in the combined
EU/EEA prospectus and offer document (the "Prospectus") and the Registration
Statement on Form F-4 under the U.S. Securities Act of 1933, as amended (the
"U.S. Securities Act"), which includes an offering prospectus/offer to exchange
(the "U.S. Prospectus/Offer to Exchange"), including (but not limited to)
Cadeler shareholders having validly tendered Cadeler Shares (including Cadeler
Shares represented by Cadeler ADSs) representing, together with any Cadeler
Shares then owned by Cadeler plc, more than 90% of the total number and of the
aggregate voting power of the outstanding Cadeler Shares.

Acceptance of the Offer

Cadeler Shareholders wishing to accept the Offer must correctly complete, sign
and deliver an acceptance form (enclosed as appendix B to the Prospectus) to DNB
Carnegie, part of DNB Bank ASA, acting as receiving agent in connection with the
Offer, before the end of the Offer period today, 21 October 2026 at 11 PM CEST
(or such time to which the Offer period may be extended).

The acceptance form may be submitted by e-mail to [email protected], or by post to
DNB Carnegie, Registrars department, Dronning Eufemias gate 30, P.O. Box 1600
Sentrum, N-0021 Oslo, Norway. Norwegian private individuals with a BankID may
also accept the Offer electronically through a link provided in the acceptance
form. Cadeler shareholders who hold their Cadeler Shares through a broker, bank
or other nominee must contact such nominee to accept the Offer on their behalf.
DNB Carnegie, part of DNB Bank ASA, is acting as receiving agent in connection
with the Offer to Cadeler's shareholders.

The full terms and conditions of the Offer, including procedures for how to
accept the Offer, are set out in the Prospectus and the U.S. Prospectus/Offer to
Exchange. Holders of Cadeler ADSs wishing to tender in the Offer must do so
prior to 5:00 PM Eastern Time on 21 October 2026 in accordance with the
procedures set out in the U.S. Prospectus/Offer to Exchange and related letter
of transmittal, and any amendments or supplements thereto. Computershare Inc. is
acting as exchange agent and Georgeson LLC is acting as information agent for
the Offer in the United States to Cadeler ADS holders.

For further information, reference is made to the Prospectus, which is available
at: https://ir.cadeler.com/ and www.dnb.no/emisjoner, subject to regulatory
restrictions in certain jurisdictions, and the U.S. Prospectus/Offer to
Exchange, which is available free of charge at the U.S. Securities and Exchange
Commission's website at www.sec.gov and on Cadeler's website at www.cadeler.com.

Contact information

For further information, please contact:

Cadeler Press Office: [email protected]

Mikkel Gleerup
CEO, Cadeler
+45 3246 3102
[email protected]

Alexander Simmonds
EVP & CLO, Cadeler
+44 7376 174172
[email protected]

About Cadeler plc

Cadeler plc is a public limited company incorporated under the laws of England
and Wales for the purpose of facilitating the Redomiciliation. As at the date of
this announcement, Cadeler plc has not carried out any operations or activities
other than in connection with the Offer and the Redomiciliation, and has only
nominal assets and no liabilities. 

Following the completion of the Offer, Cadeler plc will become the ultimate
parent company of the Cadeler Group, and the business carried out by Cadeler plc
and its subsidiaries will be the same as the business carried out by Cadeler and
its subsidiaries immediately prior to the Redomiciliation. All current members
of the Cadeler Board will continue to serve on the board of directors of Cadeler
plc, and the executive management of the Cadeler Group will remain unchanged.

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.

This information is subject to disclosure requirements pursuant to Section 5-12
of the Norwegian Securities Trading Act.

Important Additional Information

This communication is not a prospectus as defined by the EU Prospectus
Regulation or offer document pursuant to Directive 2004/25/EC on takeover bids,
as amended (the EU Takeover Directive) but relates to the proposed
Redomiciliation, to be effected by way of the Offer by Cadeler plc for all
Cadeler Shares (including Cadeler Shares represented by Cadeler ADSs). 

Cadeler plc is offering to exchange for each Cadeler Share (including Cadeler
Shares represented by Cadeler ADSs), validly tendered and not validly withdrawn
in the Offer, one (1) ordinary Cadeler plc share with a nominal value of USD
1.00.

This communication is for informational purposes only and is neither an offer to
purchase nor a solicitation of an offer to sell shares, nor is it a substitute
for any offer materials that Cadeler plc or Cadeler has published following
approval by the Norwegian Financial Supervisory Authority or filed or will file
with the U.S. Securities and Exchange Commission (the "SEC"). 

The Prospectus has been prepared by Cadeler plc as a combined EU/EEA prospectus
and offer document in connection with the Offer and the related listing of
Cadeler plc shares on the Oslo Stock Exchange in accordance with Regulation (EU)
2017/1129, as amended, and implemented into Norwegian law (the "EU Prospectus
Regulation") and Directive 2004/25/EC on takeover bids, as amended (the EU
Takeover Directive), as implemented into Norwegian and Danish law. The
Prospectus has been approved by the Financial Supervisory Authority of Norway
and passported to Denmark. 

Cadeler plc has filed a Registration Statement on Form F-4 which includes the
U.S. Prospectus/Offer to Exchange with the SEC. This communication does not
contain all the information that should be considered concerning the proposed
Redomiciliation and Offer and is not intended to form the basis of any
investment decision or any other decision in respect of the proposed
Redomiciliation and Offer for shares in Cadeler. 

INVESTORS AND SHAREHOLDERS ARE URGED TO READ THE PROSPECTUS, REGISTRATION
STATEMENT, THE OFFER MATERIALS (INCLUDING THE U.S. PROSPECTUS/OFFER TO EXCHANGE,
A RELATED LETTER OF TRANSMITTAL AND CERTAIN OTHER OFFER DOCUMENTS) AND THE
SOLICITATION/RECOMMENDATION STATEMENT, IF AND WHEN THEY BECOME AVAILABLE, AND
ANY OTHER DOCUMENTS APPROVED BY THE FINANCIAL SUPERVISORY AUTHORITY OF NORWAY OR
FILED BY EACH OF CADELER PLC AND CADELER WITH THE SEC IN CONNECTION WITH THE
PROPOSED REDOMICILIATION (INCLUDING THE OFFER) OR INCORPORATED BY REFERENCE
THEREIN CAREFULLY AND IN THEIR ENTIRETY AS THESE DOCUMENTS WILL CONTAIN
IMPORTANT INFORMATION ABOUT CADELER PLC, CADELER, THE PROPOSED REDOMICILIATION
(INCLUDING THE OFFER) AND RELATED MATTERS THAT CADELER SHAREHOLDERS SHOULD
CONSIDER BEFORE MAKING ANY DECISION REGARDING EXCHANGING THEIR SECURITIES.
Investors and shareholders will be able to obtain the Prospectus/Registration
Statement, the Offer materials (including the U.S. Prospectus/Offer to Exchange,
a related letter of transmittal and certain other Offer documents) and the
solicitation/recommendation statement, if and when they become available free of
charge from Cadeler's website at www.cadeler.com, and other documents filed with
the SEC by Cadeler plc and Cadeler at no cost to them through the website
maintained by the SEC at www.sec.gov. The contents of this communication should
not be construed as financial, legal, business, investment, tax or other
professional advice. Each recipient should consult with its own professional
advisors for any such matter and advice.

No Offer or Solicitation

This communication is not intended to and does not constitute an offer to sell
or the solicitation of an offer to subscribe for, exchange or buy or an
invitation to purchase, exchange or subscribe for any securities or the
solicitation of any vote in any jurisdiction pursuant to the proposed
Redomiciliation or Offer or otherwise, nor shall there be any sale, issuance or
transfer of securities in any jurisdiction, in each case in contravention of
applicable law. No offer of securities shall be made except by means of a
prospectus meeting the requirements of applicable European/European Economic
Area or UK, as appropriate, regulations or Section 10 of the U.S. Securities
Act. Subject to certain exceptions to be approved by the relevant regulators or
certain facts to be ascertained, any public offer will not be made directly or
indirectly, in or into any jurisdiction where to do so would constitute a
violation of the laws of such jurisdiction, or by use of the mails or by any
means or instrumentality (including without limitation, facsimile transmission,
telephone and the internet) of interstate or foreign commerce, or any facility
of a national securities exchange, of any such jurisdiction.

Notice to investors and shareholders in the EU/EEA

The Prospectus as referred to in this announcement has been prepared on the
basis that all offers of Cadeler plc shares to persons in any member state of
the European Economic Area (the "EEA") outside Norway and Denmark (a "Relevant
Member State") will be made pursuant to an exemption under the EU Prospectus
Regulation from the requirement to publish a prospectus for offer of Cadeler plc
shares. Accordingly, any person making or intending to make any offer within the
EEA of Cadeler plc shares which is the subject of the Offer contemplated in the
Prospectus within any Relevant Member State should only do so in circumstances
in which no obligation arises for Cadeler plc or the Receiving Agent (as defined
in the Prospectus) to publish a prospectus pursuant to Article 1 of the EU
Prospectus Regulation or a supplement prospectus pursuant to Article 23 of the
EU Prospectus Regulation, in each case, in relation to such offer. Neither
Cadeler plc nor the Receiving Agent has authorised, nor do they authorise, the
making of any offer of Cadeler plc shares through any financial intermediary,
other than offers made by the Receiving Agent which constitute the final
placement of Cadeler plc shares contemplated in the Prospectus.

Notice to Investors and shareholders in the United Kingdom

In the United Kingdom, offers of Cadeler plc shares pursuant to the Offer are
only being made (i) to persons who are "qualified investors" as defined in
paragraph 15 of Schedule 1 of the Public Offers and Admissions to Trading
Regulations 2024 (the "POATR"), (ii) to fewer than 150 natural or legal persons
(other than qualified investors as defined under paragraph 15 of Schedule 1 of
the POATR), or (iii) in any other circumstances falling within Part 1 of
Schedule 1 of the POATR. 

This communication is addressed to and directed only at, persons who are outside
the United Kingdom and persons in the United Kingdom (i) falling within the
definition of "investment professionals" within Article 19(5) of the Financial
Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "Order");
(ii) who are high net worth bodies, corporate, unincorporated associations and
partnerships and trustees of high value trusts falling within Article 49(2)(a)
to (d) of the Order; or (iii) to whom it may otherwise lawfully be communicated
(all such persons together being referred to as, "Relevant Persons"). This
communication is directed only at Relevant Persons. Other persons should not act
or rely on this communication or any of its contents. Any investment or
investment activity to which this communication relates is available only to
Relevant Persons and will be engaged in only with such persons. Solicitations
resulting from this communication will only be responded to if the person
concerned is a Relevant Person.

Notice to investors and shareholders in Russia, Belarus or other sanctioned
jurisdictions

Cadeler plc will not accept for exchange Cadeler Shares or Cadeler ADSs as
described in the Prospectus and the U.S. Prospectus/Offer to Exchange tendered
by any Russian or Belarusian national, any natural person residing in Russia or
Belarus (except for EU, EEA or Swiss nationals and persons holding an EU, EEA or
Swiss residence permit), any legal person, entity, or body established in Russia
or Belarus (including EU branches of such legal persons, but excluding
subsidiaries of Russian or Belarus legal entities organised or incorporated
within the EU), or any natural or legal person where the issuance of securities
to such person would result in a breach of any economic or financial sanctions,
laws and/or regulations, trade embargoes, boycotts, prohibitions, restrictive
measures, decisions, executive orders or notices from regulators implemented,
adapted, imposed, administered, enacted and/or enforced by any of (i) the United
States of America, including, but not limited to, the United States Treasury
Department's Office of Foreign Assets Control, (ii) the United Nations, (iii)
the European Union and/or any member state thereof, (iv) the State Secretariat
of Economic Affairs of Switzerland, (v) the United Kingdom Government (including
His Majesty's Treasury and the Foreign, Commonwealth & Development Office), and
(vi) any other applicable country or jurisdiction.

Forward-Looking Statements

This communication includes forward-looking statements with respect to the
proposed Redomiciliation and Offer, including statements regarding the
anticipated timing of the Redomiciliation. These forward-looking statements are
generally identified by terminology such as "believe," "may," "will,"
"potentially," "estimate," "continue," "anticipate," "intend," "could," "would,"
"should," "project," "target," "plan," "expect," or the negatives of these terms
or variations of them or similar terminology. The absence of these words,
however, does not mean that the statements are not forward-looking. These
forward-looking statements are based upon current expectations, beliefs,
estimates and assumptions that, while considered reasonable as and when made by
Cadeler plc and its management, and by Cadeler and its management, as the case
may be. Such forward-looking statements are subject to risks, uncertainties, and
other factors that could cause actual results to differ materially from those
expressed or implied by such forward-looking statements. New risks and
uncertainties may emerge from time to time, and it is not possible to predict
all risks and uncertainties. Neither Cadeler plc nor Cadeler undertakes any
obligation to update any such statements in light of any future event or
circumstance, or to conform such statements to actual results. Past performance
should not be relied upon, and is not, a guarantee of future performance.

Many factors could cause actual future events to differ materially from the
forward-looking statements in this communication, including but not limited to
the risk that the Offer is subject to conditions, not all of which are within
Cadeler plc's control. The foregoing is not exhaustive. There can be no
assurance that future developments affecting Cadeler plc, Cadeler or the Cadeler
Group will be those that the Cadeler Group has anticipated. 

These forward-looking statements involve a number of risks, uncertainties (some
of which are beyond Cadeler plc's or Cadeler's control) or other assumptions
that may cause actual results or performance to be materially different from
those expressed or implied by these forward-looking statements or from
historical experience and present expectations or projections. You should
carefully consider the foregoing factors and the other risks and uncertainties
that affect the Cadeler Group's business, including those described in Cadeler's
Annual Report also published on Form 20-F for the fiscal year ended 31 December
2025, Cadeler's interim financial reports for the period ended 30 June 2026,
Cadeler's stock exchange announcements published through the Oslo Stock
Exchange, reports on Form 6-K and other documents filed from time to time by
Cadeler with the SEC. Cadeler plc and Cadeler wish to caution you not to place
undue reliance on any forward-looking statements, which speak only as of the
date hereof. This communication and related materials speak only as of the date
hereof and, except as required by law, Cadeler plc and Cadeler are not
undertaking any obligation to update or revise any forward-looking statements
whether as a result of new information, future events or otherwise.
nts filed from time to time by\
Cadeler with the SEC. Cadeler plc and Cadeler wish to caution you not to place\
undue reliance on any forward-looking statements\, which speak only as of the\
date hereof. This communication and related materials speak only as of the date\
hereof and\, except as required by law\, Cadeler plc and Cadeler are not\
undertaking any obligation to update or revise any forward-looking statements\
whether as a result of new information\, future events or otherwise.\