TEKNA HOLDING ASA: APPROVAL AND PUBLICATION OF PROSPECTUS

NOT FOR DISTRIBUTION OR RELEASE, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, CANADA, AUSTRALIA, THE HONG KONG SPECIAL ADMINISTRATIVE REGION OF THE PEOPLE'S REPUBLIC OF CHINA OR JAPAN OR ANY OTHER JURISDICTION IN WHICH THE DISTRIBUTION OR RELEASE WOULD BE UNLAWFUL. OTHER RESTRICTIONS ARE APPLICABLE. PLEASE SEE THE IMPORTANT NOTICE AT THE END OF THIS ANNOUNCEMENT

(Arendal, Norway / Sherbrooke QC, Canada – 14 November 2025)

Reference is made to the stock exchange announcement by Tekna Holding ASA (the "Company") on 13 November 2025 regarding approval by the Company's extraordinary general meeting of a fully underwritten rights issue in the Company to raise gross proceeds of NOK 300 million (the "Rights Issue").

The Financial Supervisory Authority of Norway (Nw: Finanstilsynet) has today, 14 November 2025, approved a prospectus prepared by the Company in connection with the Rights Issue (the "Prospectus"). Subject to local applicable securities laws, the Prospectus will be made available at the website of Arctic Securities AS (the "Manager") (https://www.arctic.com/offerings) prior to the commencement of the subscription period in the Rights Issue. The Prospectus is prepared in accordance with the simplified disclosure regime for secondary issuances as set out in the EU Prospectus Regulation (Regulation (EU) 2017/1129 of the European Parliament and of the Council of 14 June 2017 and ancillary regulations, as implemented under Norwegian law).

The subscription period for the Rights Issue will commence on 18 November 2025, at 09:00 hours (CET) and expire on 2 December 2025 at 16:30 hours (CET). The subscription rights in the Rights Issue will be tradable on the Oslo Stock Exchange under the ticker code "TEKNT" from 18 November 2025 at 09:00 hours (CET) until 26 November 2025 at 16.30 hours (CET).

Advisers:
Arctic Securities AS has been retained by the Company to act as manager for the Rights Issue. Advokatfirmaet Wiersholm AS is acting as legal advisor to the Company in connection with the Rights Issue.

This information is subject to disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.

CONTACTS

* Arina van Oost, Investor Relations | VP Corporate Strategic Development & Innovation, +1 438 885 6330, Investors@tekna.com
* Dag Teigland, Chair of Tekna Holding ASA, +47 950 53 008


ABOUT TEKNA HOLDING ASA

Tekna is a world-leading provider of advanced materials to industry, headquartered in Sherbrooke, Canada.

Tekna produces high-purity metal powders for applications such as 3D printing in the aerospace, medical and automotive sectors, as well as optimized induction plasma systems for industrial research and production. With its unique, IP-protected plasma technology, the company is well positioned in the growing market for advanced nanomaterials within the electronics and batteries industries.

Building on 30 years of delivering excellence, Tekna is a global player recognized for its quality products and its commitment to its large base of multinational blue-chip customers. Tekna’s powder products increase productivity and enable more efficient use of materials, thereby paving the way towards a more resilient supply chain and circular economy.

www.tekna.com - http://www.tekna.com

- IMPORTANT INFORMATION –

This announcement 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.

Any offering of the securities referred to in this announcement will be made by means of the Prospectus. 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 will, following publication, be available from the Company's registered office and, subject to certain exceptions, on the websites of the Manager.

In any EEA Member State, 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 addressed to and is only directed at Qualified Investors who (i) are investment professionals falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (as amended) (the "Order") or (ii) are persons falling within Article 49(2)(a) to (d) of the Order (high net worth companies, unincorporated associations, etc.) (all such persons together being referred to as "Relevant Persons"). These materials are directed only at Relevant Persons and must not be acted on or relied on by persons who are not Relevant Persons. Any investment or investment activity to which this announcement relates is available only to Relevant Persons and will be engaged in only with Relevant Persons. Persons distributing this communication must satisfy themselves that it is lawful to do so.

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.

The Manager is acting for the Company in connection with the Rights Issue and no one else and will not be responsible to anyone other than the Company for providing the protections afforded to its respective clients or for providing advice in relation to the Rights Issue or any transaction or arrangement referred to in this announcement.

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 forwardlooking 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. Neither the Manager nor any of its respective affiliates makes any representation as to the accuracy or completeness of this announcement and none of them accepts any responsibility for the contents of this announcement or any matters referred to herein.

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. Neither the Manager nor any of its respective affiliates accepts any liability arising from the use of this announcement.