Company announcement no. 21

This information is information that Mendole A/S is obliged to make public pursuant to the EU Market Abuse Regulation (EU No. 596/2014). The information was submitted for publication, through the agency of the contact person set out below, on 11 September 2026.

Hedehusene, 11 September 2026. The Board of Directors of Mendole A/S ("Mendole" or the "Company", ticker MENDO, ISIN DK0064307672) has resolved to extend the subscription period in the Company's directed private placement and public offering of new shares (the "Offering"), announced on 28 August 2026 in company announcement no. 19. The subscription period was scheduled to end today, 11 September 2026. It is extended until 25 September 2026 at 23:59. All other terms of the Offering are unchanged.

Reason for the extension

The extension allows the Company to conclude ongoing discussions with investors and lenders regarding the financing required to complete the acquisition of Rebo A/S. No binding agreements have been entered into as at the date of this announcement, and no assurance can be given that any agreement will be concluded. Any agreement will be announced by way of a company announcement.

The Offering in brief (updated)

How to subscribe

Subscription through Nordnet closed on 10 September 2026 at 23:59 and will not be reopened. During the extended subscription period, investors subscribe using the Company's subscription form, submitted through their own bank, or by contacting the Company at investor@mendole.com. The subscription form is available at www.mendole.com and from Kapital Partner at sp@kapitalpartner.dk and must be received by Nordea Bank no later than 25 September 2026 at 23:59. Investors should allow time for their bank's internal processing. Subscriptions already submitted, including through Nordnet, remain valid and do not need to be resubmitted.

Right of withdrawal

In accordance with the Information Document, investors who subscribed before publication of this announcement may withdraw their subscription within three trading days after publication, i.e. until and including 16 September 2026, by contacting Nordnet or the bank through which they subscribed. Subscriptions that are not withdrawn remain binding.

Relationship to the Rebo acquisition

Closing of the Rebo acquisition remains conditional on the Offering raising proceeds sufficient to fund it and on the acquisition debt financing being in place. The acquisition debt financing described in the Information Document remains conditional on completion of the Offering. Closing was previously expected before 15 September 2026. The sellers of Rebo A/S have agreed to extend the timetable for closing to accommodate the extended subscription period. The Offering itself is not conditional on the acquisition. If the acquisition is not completed, the net proceeds will be applied as described under "Use of proceeds" in the Information Document.

Guarantee commitments

The negotiations regarding guarantee commitments described in the Information Document are ongoing. No binding agreement has been entered into.

Information Document

This announcement supplements the Information Document dated 28 August 2026, which is otherwise unchanged and available at www.mendole.com and www.spotlightstockmarket.com. Where this announcement deviates from the Information Document, this announcement prevails.

Advisers

Kapital Partner acts as financial adviser to the Company. Lund Elmer Sandager Advokatpartnerselskab acts as legal adviser. Nordea Issuing acts as issuing agent. Nordnet acted as subscription platform until 10 September 2026. Baker Tilly Denmark is the Company's auditor.

For further information

Dan Lauritzen, CEO · dan@mendole.com · +45 31 31 37 26

Andreea Mercurean, Investor Relations · investor@mendole.com

About Mendole A/S

Mendole A/S is a listed buy-and-build platform in Danish technical property services, admitted to trading on Spotlight since October 2025. The Group acquires and develops established, owner-led companies serving commercial, industrial and residential buildings, active in roofing and roof maintenance, energy services, electrical installation and LED lighting. The Group operates a decentralised model in which acquired companies keep their own brand and management while the Group adds capital, shared finance and IT, procurement scale and an M&A engine.

Mendole A/S · CVR 44010259 · LEI 984500AE8BDFF786A171 · Guldalderen 13, Fløng, 2640 Hedehusene, Denmark

Important information

This announcement is not an offer to sell, or a solicitation of an offer to buy, any securities, and does not constitute a prospectus. The Offering is made solely on the basis of the Information Document as supplemented by this announcement. The Offering is a secondary issue directed to the public that falls outside the prospectus requirements of Regulation (EU) 2017/1129, as the total public offering is below the applicable threshold; no approved prospectus is required or has been prepared.

This announcement is not for release, publication or distribution, in whole or in part, directly or indirectly, in or into the United States, Australia, Japan, Canada, New Zealand, South Africa, Hong Kong, Switzerland, Singapore, South Korea, Russia, Belarus or any other jurisdiction in which such release, publication or distribution would be unlawful. The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933 and may not be offered or sold in the United States absent registration or an applicable exemption.

This announcement contains forward-looking statements that are subject to risk and uncertainty. Actual results may differ materially.