Constellation Oil Services Holding S.A.

Regulatory Filings • Jul 31, 2025

Constellation Announces Engagement of Liquidity Provider

Luxembourg, July 31st , 2025 – Constellation Oil Services Holding S.A. (together with its subsidiaries, "Constellation" or the "Company") is pleased to announce that it has entered into an agreement with DNB Carnegie, a part of DNB Bank ASA ("DNB Carnegie"), to act as liquidity provider for its shares listed on Euronext Growth Oslo. The commitment will take place in accordance with Euronext Oslo Børs' rules on liquidity providers.

This engagement of a liquidity provider is intended to enhance the liquidity and visibility of Constellation's shares, promoting a more efficient and stable trading environment. By providing continuous bid and ask quotes, the liquidity provider will help facilitate higher trading volumes and reduce the spread between buy and sell prices.

Improved liquidity is expected to support a more consistent and transparent market for Constellation's shares, enabling investors to trade with greater confidence. Moreover, the engagement of a liquidity provider is anticipated to broaden Constellation's reach within the investment community, raise the Company's profile among investors, and contribute to fairer pricing dynamics.

The liquidity provider services will commence on July 31st .

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

This press release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are intended to be covered by the safe harbor created by such sections and other applicable laws. Where the Company expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, such statements are subject to risks, uncertainties and other factors, which could cause actual results to differ materially from future results expressed, projected or implied by the "forward-looking statements." The Company undertakes no obligation to release publicly revisions to any "forwardlooking statement," including, without limitation, outlook, to reflect events or circumstances after the date of this news release, or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws. Investors should not assume that any lack of update to a previously issued "forward-looking statement" constitutes a reaffirmation of that statement. Continued reliance on "forward-looking statements" is at investors' own risk.