COSH: Constellation Reminds Shareholders and NDR Holders to Vote at the EGM

Luxembourg, 27 October 2026: Constellation Oil Services Holding S.A.
("Constellation" or the 
"Company") encourages all shareholders and holders of Norwegian depository
receipts ("NDRs" and 
such holders, the "NDR Holders") to submit their votes as soon as possible for
the reconvened 
Extraordinary General Meeting ("EGM"), to be held on 12 November 2026 at 10:00
a.m. CEST in 
Luxembourg. Where possible, NDR Holders, in particular foreign NDR Holders, are
kindly invited to 
send the Company confirmation evidencing the submission of their vote (including
the name of the 
beneficial owner, number of shares held and voting instructions given).
 
No minimum quorum is required for this reconvened EGM. The agenda concerns
approval of a share 
buyback program of up to USD 35,000,000, including authorization for the Board
to (i) repurchase 
shares, (ii) cancel such repurchased shares by way of share capital reduction
and (iii) record such share 
cancellation, share capital reduction and corresponding amendment of the
articles of association by way 
of an acknowledgment deed (constat) in front of a Luxembourg notary. 

NDR Holders must submit their voting instructions to the depository agent, Equro
Issuer Services AS, 
no later than 30 October 2026 at 4:00 p.m. (Norwegian time). Direct shareholders
must submit their 
powers of attorney or voting forms to the Company no later than 9 November 2026
at 23:59 CEST. 
The record date for determining the shares and NDRs eligible to vote at the EGM
is 23 October 2026. 
Each share and each NDR entitles its holder to one vote. 

Please refer to the convening notice of the EGM (the "Convening Notice") for the
applicable deadlines 
and procedures for submitting votes. 

The Convening Notice, voting forms and Proposed Resolutions and Explanatory
Notes are available at 
https://ri.theconstellation.com. 

For questions, please contact ir@theconstellation.com or 
corporatesecretary@theconstellation.com. 

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 in possession of this announcement or such other
information 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.
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region of the people's republic of China or Japan\, or any other jurisdiction in\
which the publication\, \
distribution or release would be unlawful.\