Circio Holding ASA: Last day of trading in warrants

03 Jun 2026 07:00 CEST

NOT FOR DISTRIBUTION OR RELEASE, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY,
IN OR INTO THE UNITED STATES OF AMERICA, THE UNITED KINGDOM, 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.

Oslo, 3 June 2026: Reference is made to the stock exchange announcement by
Circio Holding ASA (OSE: CRNA) (the "Company" or "Circio") on 26 May 2026
regarding the commencement of the exercise period for the 67,680,945 warrants
(Nw.: frittstående tegningsretter) with ISIN NO0013711523 (the "Warrants")
issued in connection with the rights issue and related private placement.

Each Warrant gives the holder a right to subscribe for one new share in the
Company at an exercise price of NOK 8.2508 per share. The exercise period for
the Warrants commenced at 09:00 hours (CEST) on 26 May 2026 and will expire at
16:30 hours (CEST) on 9 June 2026 (the "Exercise Period").

The Warrants are listed and tradable on the Oslo Stock Exchange under the
ticker code "CRNAS". The trading in the Warrants will end at 16:30 hours
(CEST) today, 3 June 2026.

Warrants not sold before 16:30 (CEST) today, 3 June 2026, or exercised within
by 16:30 (CEST) on 9 June 2026 will lapse without compensation to the holders.

The Warrants can be exercised digitally through the systems of VPS, which are
available from the websites of Pareto Securities AS (link
(https://paretosec.com/updates/transactions/exercise-of-warrants-in-circio-holdi
ng-asa-26-may-2026))
and Circio (www.circio.com/en/warrants
(https://www.circio.com/en/warrants-exercise-2q-2026/)), or by completion of
an exercise form available at the websites of Pareto Securities AS and Circio.
Only Norwegian personal shareholders are able to exercise Warrants digitally
through the systems of VPS.

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

For further information, please contact:

Erik Digman Wiklund, CEO
Phone: +47 413 33 536
Email: erik.wiklund@circio.com

Lubor Gaal, CFO
Phone: +34 683 34 3811
Email: lubor.gaal@circio.com

For more information regarding the Warrant Program, please contact:
Pareto Securities AS
Phone: +47 24 13 39 19
Email: online@paretosec.no

About Circio
Building circular RNA expression systems for enhanced gene and cell therapies

Circio Holding ASA is a biotechnology company developing novel circular RNA
expression technology for gene and cell therapy.

Circio has established a unique circular RNA (circRNA) vector expression
technology for next generation RNA, DNA and viral therapeutics. The
proprietary circVec platform is based on a modular genetic construct designed
for efficient biogenesis of multifunctional circRNA inside target cells. The
circVec platform has applications in multiple therapeutic settings, including
genetic medicine, cell therapy and chronic disease. It has demonstrated
75-fold increased RNA half-life and up to 50-fold enhanced protein expression
vs. conventional mRNA-based viral and non-viral vector systems, with the
potential to become a new gold-standard gene expression technology. The
circVec R&D activities are being conducted by the wholly owned subsidiary
Circio AB in Stockholm, Sweden.

-- IMPORTANT INFORMATION --
This announcement is not and does not constitute an 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. Copies of this document may not
be sent to jurisdictions, or distributed in or sent from jurisdictions, in
which this is barred or prohibited by law. The securities of the Company may
not be offered or sold in the United States absent registration or an
exemption from registration under the U.S. Securities Act of 1933, as amended
(the "U.S. Securities Act").

The securities of the Company have not been, and will not be, registered under
the U.S. Securities Act. Any sale in the United States of the securities
mentioned in this communication will be made solely to "qualified
institutional buyers" as defined in Rule 144A under the U.S. Securities Act.
No public offering of the securities will be made in the United States.

This announcement is an advertisement and is not a prospectus for the purposes
of Regulation (EU) 2017/1129 of the European Parliament and of the Council of
14 June 2017 on prospectuses to be published when securities are offered to
the public or admitted to trading on a regulated market, and repealing
Directive 2003/71/EC (as amended) as implemented in any EEA Member State (the
"Prospectus Regulation"). Investors should not subscribe for any securities
referred to in this announcement except on the basis of information contained
in the Prospectus. Copies of the Prospectus are available from the Company's
registered office and subject to certain exceptions, on the website of the
Company.

In any EEA Member State other than Norway and Sweden, this communication is
only addressed to and is only directed at qualified investors in that Member
State within the meaning of the Prospectus Regulation, i.e., only to investors
who can receive the offer without an approved prospectus in such EEA Member
State.

In the United Kingdom, this communication is only being communicated to (a)
persons who have professional experience, knowledge and expertise in matters
relating to investments and qualifying as "investment professionals" for the
purposes of article 19(5) of the Financial Services and Markets Act 2000
(Financial Promotion) Order 2005 (all such persons being referred to as
"relevant persons") and (b) only in circumstances falling within the
circumstances set out in Part 1 of Schedule 1 to The Public Offers and
Admissions to Trading Regulations 2024. These materials are directed only at
relevant persons and must not be acted on or relied on by persons who are not
relevant persons.

This document is not for publication or distribution in, directly or
indirectly, Australia, Canada, Japan, the United States or any other
jurisdiction in which such release, publication or distribution would be
unlawful, and it does not constitute an offer or invitation to subscribe for
or purchase any securities in such countries or in any other jurisdiction. In
particular, the document and the information contained herein should not be
distributed or otherwise transmitted into the United States or to publications
with a general circulation in the United States of America.

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.
No reliance may be placed for any purpose on the information contained in this
announcement or its accuracy, fairness or completeness.

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