Constellation Oil Services Holding S.A.

Report Publication Announcement • Nov 26, 2025

Constellation Discloses Its Q3 2025 Earnings Call Presentation

Constellation Discloses Its Q3 2025 Earnings Call Presentation

Luxembourg, November 26th, 2025 – Constellation Oil Services Holding S.A.

(“Constellation” or the “Company”) discloses its Q3 2025 Earnings Call Presentation which is available on our website ir.theconstellation.com .

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.

IMPORTANT NOTICE

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.