NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, WITHIN OR TO THE UNITED STATES, AUSTRALIA, BELARUS, JAPAN, CANADA, NEW ZEALAND, RUSSIA, SWITZERLAND, SINGAPORE, SOUTH AFRICA, SOUTH KOREA OR ANY OTHER JURISDICTION WHERE RELEASE, DISTRIBUTION OR PUBLICATION OF THIS PRESS RELEASE WOULD BE UNLAWFUL OR WOULD REQUIRE FURTHER REGISTRATION OR ANY OTHER MEASURES.

Today, 31 October 2023, is the last day of trading in the unit rights that were issued in conjunction with JonDeTech Sensors AB:s (publ) ("JonDeTech" or the "Company") rights issue of units, which the board of directors resolved on 13 September 2023 and which was subsequently approved at the extraordinary general meeting on 16 October 2023 (the "Rights Issue"). Unit rights that are not sold or exercised for subscription will expire worthless.

The Rights Issue in summary:

• Subscription period: 20 October 2023 - 3 November 2023.
• Trading in unit rights: 20 October 2023 - 31 October 2023.
• Preferential right: For every one (1) share held on the record date of 18 October 2023, one (1) unit right was received, one (1) unit rights entitle to subscription of one (1) unit.
• Unit: One (1) unit contains seven (7) newly issued shares, seven (7) warrants of series TO2 and seven (7) warrants of series TO3.
• Subscription price: SEK 0.28 per unit, corresponding to SEK 0.04 per share. The warrants are received free of charge.
• Issue proceeds: In the event of full subscription in the Rights Issue, the Company will receive approximately SEK 40.8 million before issue costs. Upon full exercise of all warrants of series TO2, within the framework of the issued units, the Company may receive an additional approximately SEK 51.0 million, before issue costs. Upon full exercise of all warrants of series TO3, within the framework of the issued units, the Company may receive an additional approximately SEK 61.3 million, before issue costs.
• Underwriting and subscription commitments: The Rights Issue is underwritten to approximately 88.7 percent through subscription and underwriting commitments.

Advisors

Mangold Fondkommission AB is financial advisor and Eversheds Sutherland Advokatbyrå is legal advisor to JonDeTech in connection with the Rights Issue.

For more information, please contact:

Dean Tosic, CEO

E-mail: dean.tosic@jondetech.com

www.jondetech.se

About JonDeTech

JonDeTech is a supplier of sensor technology. The Company markets a portfolio of IR sensor elements based on proprietary nanotechnology and silicon MEMS. The nanoelements are extremely thin, built-in flexible plastic, and can be manufactured in high volumes at a low cost, which opens up for a variety of applications, such as temperature and heat flow measurements, presence detection, and gas detection. The Company is listed on Nasdaq First North Growth Market. Redeye is the Company's Certified Adviser. Read more at www.jondetech.se or see how the IR sensor works at https://www.youtube.com/watch?v=mORloeCxbPE.

Important information

The information in this press release neither contains nor constitutes an offer to acquire, subscribe, or otherwise trade shares, subscription options, or other securities in JonDeTech. No action has been taken, and no action will be taken, to permit a public offering in any jurisdiction other than Sweden. The invitation to eligible persons to subscribe for units in JonDeTech will only be made through the Prospectus, which was published by the Company on 18 October 2023 on JonDeTechs's website, www.jondetech.se. However, this press release is not a prospectus within the meaning of Regulation (EU) 2017/1129 (the "Prospectus Regulation") and this press release does not identify or purport to identify risks (direct or indirect) that may be associated with an investment in shares, subscription options, or other securities in JonDeTech. The information in this press release is provided solely for the purpose of describing the background to the Preferential Issue and makes no claim to be complete or exhaustive. No representation shall be made with respect to the accuracy or completeness of the information in this press release. Any investment decision should, for an investor to fully understand the potential risks and benefits associated with the decision to participate in the Preferential Issue, be made solely on the basis of the information in the Prospectus. Therefore, it is recommended that an investor reads the entire Prospectus. This press release constitutes marketing in accordance with Article 2 k of the Prospectus Regulation.

The information in this press release may not be published, published or distributed, directly or indirectly, in or to the United States, Australia, Belarus, Japan, Canada, New Zealand, Russia, Switzerland, Singapore, South Africa, South Korea or any other jurisdiction where such action would be unlawful, subject to legal restrictions or require actions other than those required by Swedish law. Actions in violation of this instruction may constitute a violation of applicable securities laws. No shares, subscription options, or other securities in JonDeTech have been registered, and no shares, subscription options, or other securities will be registered, under the then-current United States Securities Act of 1933 (the "Securities Act") or the securities laws of any state or other jurisdiction in the United States and may not be offered, sold, or otherwise transferred, directly or indirectly, in or to the United States, except in accordance with an applicable exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and in accordance with the securities laws of the relevant state or other jurisdiction in the United States.

In the United Kingdom, this document and any other material relating to the securities referred to herein is only directed at, and any investment or investment activity to which this document relates is available only to, and will be engaged in only with, "qualified investors" who are (i) persons who have professional experience in matters relating to investments and who fall within the definition of "professional investors" in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "Order"); or (ii) high net worth entities falling within Article 49(2)(a)-(d) of the Order (all such persons together being referred to as "relevant persons"). Any investment or investment activity to which this press release relates in the United Kingdom is available only to relevant persons and will be engaged in only with relevant persons. Persons who are not relevant persons should not take any action based on this press release and should not act or rely on it.

Forward-Looking Statements:

This press release contains forward-looking statements concerning the Company's intentions, assessments, or expectations regarding the Company's future results, financial position, liquidity, development, prospects, expected growth, strategies, and opportunities, as well as the markets in which the Company operates. Forward-looking statements are statements that do not concern historical facts and can be identified by expressions such as "believes," "expects," "anticipates," "intends," "estimates," "will," "may," "assumes," "should," "could," and, in each case, negations thereof, or similar expressions. The forward-looking statements in this press release are based on various assumptions, many of which are based on additional assumptions. While the Company believes that the assumptions reflected in these forward-looking statements are reasonable, it cannot be guaranteed that they will materialize or that they are correct. Since these assumptions are based on assumptions or estimates and are subject to risks and uncertainties, the actual results or outcomes, for many different reasons, may significantly deviate from what is stated in the forward-looking statements. Such risks, uncertainties, contingencies, and other significant factors may cause the actual development of events to materially differ from the expectations expressly or implicitly stated in this press release through the forward-looking statements. The Company does not guarantee that the assumptions underlying the forward-looking statements in this press release are accurate, and each reader of the press release should not unreasonably rely on the forward-looking statements in this press release. The information, opinions, and forward-looking statements expressly or implicitly contained herein are provided only as of the date of this press release and may change. Neither the Company nor anyone else undertakes to review, update, confirm, or publicly announce any revisions to any forward-looking statement to reflect events that occur or circumstances that arise regarding the content of this press release, unless required by law or Nasdaq rules for issuers.