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Inderes’ Disclaimer can be found here. Detailed information about each share actively monitored by Inderes is available on the company-specific pages on Inderes’ website. © Inderes Oyj. All rights reserved.

Sea1 Offshore Inc. - Publication of information document and confirmed first day of trading on Euronext Growth Oslo on 18 December 2025

SEA1Regulatory press release17.12.2025 klo 11.35
NOT FOR DISTRIBUTION OR RELEASE, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN
OR INTO THE UNITED STATES OF AMERICA, AUSTRALIA, CANADA, HONG KONG OR JAPAN, OR
ANY OTHER JURISDICTION IN WHICH THE DISTRIBUTION OR RELEASE WOULD BE UNLAWFUL.
THIS ANNOUNCEMENT DOES NOT CONSTITUTE AN OFFER OF ANY OF THE SECURITIES
DESCRIBED HEREIN.

Kristiansand, 17 December 2025: Reference is made to Euronext Oslo Børs'
decision on 27 November 2025 to admit Sea1 Offshore Inc. ("Sea1" or the
"Company") to trading on Euronext Growth Oslo through a transfer from Euronext
Oslo Børs (the "Admission"), as well as the Company's stock exchange notice on
12 December 2025 with minutes from the extraordinary general meeting approving
the amendment of the Company's articles of association. All conditions for the
Admission have now been fulfilled.

The attached information document has been prepared by Sea1 solely for the use
in connection with admission to trading on Euronext Growth Oslo and will also be
made available at the Company's website www.sea1offshore.com.

The first day of trading in the Company's shares on Euronext Growth Oslo will be
to tomorrow, on 18 December 2025, under the ticker "SEA1". The last day of
trading in the Company's shares on Euronext Oslo Børs is accordingly today, 17
December 2025.

DNB Carnegie, a part of DNB Bank ASA has acted as Euronext Growth Advisor in
connection with the Admission and Advokatfirmaet Wiersholm AS has acted as legal
counsel.

For further information, please contact:
Bernt Omdal, Chief Executive Officer, Sea1 Offshore Inc., phone +47 915 22 299