Luxembourg, May 13th, 2025: Constellation Oil Services Holding S.A.
("Constellation") or (the "Company") announces that the annual general meeting
of the Company and an extraordinary general meeting (the "Meetings") will be
held in Luxembourg on June 19th, 2025. 

Equro Issuer Services AS ("Equro"), in its capacity as depositary bank and
issuer of the NDRs, is registered as a shareholder in the Company list of
shareholders, therefore any voting by the holders of the NDRs recorded in the
VPS system will have to be executed through Equro. For such purpose, please
refer to the attached documents titled "NDR Documents: COSH - AGM and EGM 2025".
Only holders of NDRs registered in the VPS on 10 June, 2025, will have the right
to vote.

The notice, including the agenda for the meeting and the appendices to the
notice is attached to this release as "COSH - AGM and EGM 2025".  The notice and
the documents referred to in the notice are available on the Company's website
https://ri.theconstellation.com/. Please note that this includes the Company's
annual accounts for 2024 prepared in accordance with IFRS as adopted by the EU. 

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

About Constellation 

Constellation is a market leading provider of offshore oil and gas contract
drilling services through its subsidiary Serviços de Petróleo Constellation S.A.
("Serviços de Petróleo Constellation"). With continuous operations since 1981,
Serviços de Petróleo Constellation has built an unmatched reputation for
excellence in offshore drilling services, obtaining ISO 9001, ISO 14001, ISO
45001, and API Spec Q2 certifications for its quality management, environmental
and safety records and systems. 

NOTICE REGARDING FORWARD-LOOKING STATEMENTS 

Matters discussed in this announcement may constitute forward-looking
statements. Forward-looking statements are statements that are not historical
facts and may be identified by words such as "anticipate", "believe",
"continue", "estimate", "expect", "intends", "may", "should", "will" and similar
expressions. The forward-looking statements in this release are based upon
various assumptions, many of which are based, in turn, upon further assumptions.
Although the Company believes that these assumptions were reasonable when made,
these assumptions are inherently subject to significant known and unknown risks,
uncertainties, contingencies and other important factors which are difficult or
impossible to predict and are beyond its control. Such risks, uncertainties,
contingencies and other important factors could cause actual events to differ
materially from the expectations expressed or implied in this release by such
forward-looking statements. The information, opinions and forward-looking
statements contained in this announcement speak only as at its date, and are
subject to change without notice. 

This announcement is made by, and is the responsibility of, the Company. 

This announcement is for information purposes only and is not to be relied upon
in substitution for the exercise of independent judgment. It is not intended as
investment advice and under no circumstances is it to be used or considered as
an offer to sell, or a solicitation of an offer to buy any securities or a
recommendation to buy or sell any securities of the Company. 

The distribution of this announcement and other information may be restricted by
law in certain jurisdictions. Persons into whose possession this announcement or
such other information should come are required to inform themselves about and
to observe any such restrictions.

This announcement does not constitute or form a part of any offer of securities
for sale or a solicitation of an offer to purchase securities of the company in
the United States or any other jurisdiction. Not for publication, distribution
or release, in whole or in part, directly or indirectly, in or into the United
States of America (including its territories and possessions, any state of the
united states of America and the district of Columbia) (the "united states"),
Australia, Canada, the Hong Kong special administrative region of the people's
republic of China or Japan, or any other jurisdiction in which the publication,
distribution or release would be unlawful.