Frankfurt am Main, 14 July 2026 – HELIOS SOLAR AG (“HELIOS” or the “Company”; ISIN: DE000A42D2N5, WKN: A42D2N, ticker symbol: HE8) announces that, following the expiry of the offer period on 13 July 2026, a total of 117,479 offer shares out of the 7,600,000 registered no-par value bearer shares of the Company offered (the “Offer Shares”) were placed in the context of the public offering in Germany and a concurrent private placement. The offer price was EUR 4.00 per Offer Share, as set out in the securities prospectus approved by the German Federal Financial Supervisory Authority (BaFin) on 2 June 2026. The gross proceeds of the Company from the public offering and the private placement thus amount to EUR 469,916.00. The commencement of trading of the Company’s shares on the regulated market of the Frankfurt Stock Exchange (General Standard) is expected on 28 July 2026. Emperor Global Investment Solutions acts as the Global IPO Coordinator for the transaction. SMC Bank serves as the Lead Manager, Sole Bookrunner, and Admission Agent.

Website: www.heliossolarag.com

Contact Maximilian Fischer, Head of Investor Relations, email: max@heliospv.net Manuel Taverne, Co-Head of Investor Relations, email: m.taverne@max-em.de

Company Data
HELIOS SOLAR AG, business address: Marienplatz 2, 80331 Munich, Germany; registered office: Frankfurt am Main; commercial register: Local Court (Amtsgericht) Frankfurt am Main, HRB 116214; LEI: 894500Q0LUCCFE8R5J14; ISIN: DE000A42D2N5; WKN: A42D2N; ticker symbol: HE8.

Important Notices
This announcement constitutes an advertisement within the meaning of Regulation (EU) 2017/1129 as amended (the “Prospectus Regulation”). This announcement may not be published, distributed or transmitted, directly or indirectly, within or into the United States of America, Japan, Canada, New Zealand, Australia or any jurisdiction in which distribution or publication would be unlawful. This announcement does not constitute an offer to purchase or subscribe for securities (the “Securities”) of HELIOS SOLAR AG (the “Company” or “HELIOS”) nor does it constitute a solicitation to make such an offer. In particular, this announcement does not constitute an offer to purchase securities or a solicitation to make an offer to purchase securities in the United States of America, Japan, Canada, New Zealand, Australia or other jurisdictions in which such an offer would be unlawful. The Securities of the Company may only be sold or offered for purchase in the United States of America following prior registration or, without prior registration, only pursuant to an exemption from the registration requirements under the provisions of the U.S. Securities Act of 1933, as amended (the “Securities Act”). There will be no public offering of the Securities referred to in this announcement in the United States of America. The Securities of the Company have not been and will not be registered under the Securities Act. The Securities referred to in this announcement may not be sold or offered for purchase in Japan, Canada, New Zealand or Australia, or to or for the account of persons resident or domiciled in Japan, Canada, New Zealand or Australia, subject to certain exceptions. The offering and the admission to the regulated market of the Frankfurt Stock Exchange (General Standard) are made exclusively on the basis of a published securities prospectus dated 2 June 2026 (the “Prospectus”) and a first supplement to the Prospectus dated 26 June 2026 (the “Supplement”), each approved by the German Federal Financial Supervisory Authority (“BaFin”). Any investment decision regarding the Securities of the Company should only be made on the basis of the Prospectus and the Supplement. The Prospectus and the Supplement are available free of charge on the Company’s website (https://www.heliossolarag.com/ under the category “IPO”). The approval of the Prospectus and the Supplement by BaFin must not be understood as an endorsement of the issuer or the quality of the Securities. Investors should note that BaFin has reviewed the Prospectus and the Supplement only with regard to their completeness, comprehensibility and coherence. Investors should read the Prospectus, including the Supplement, before making an investment decision in order to fully understand the potential risks and opportunities associated with the decision to invest in the shares. An investment in shares involves numerous risks, including the total loss of the invested capital; these risks are described in the first chapter “Risk Factors” of the Prospectus. The Company, the shareholder selling the Offer Shares (the “Selling Shareholder”) and Small & Mid Cap Investmentbank AG (the “Bank”) expressly disclaim any obligation to update, review or correct any forward-looking statements contained in this announcement, whether as a result of new information, future developments or otherwise. The Bank is acting in connection with the offering exclusively on behalf of the Company and the Selling Shareholder and not on behalf of any other persons. In connection with the offering, the Bank assumes no responsibility towards persons other than the Company and the Selling Shareholder for the protection it provides to its respective clients, or for advice in connection with the offering or any other transaction or arrangement referred to in this announcement. The Bank and its affiliates expressly disclaim any obligation or undertaking to update, review or revise the forward-looking statements contained in this announcement as a result of new information, future developments or for any other reason. The expected date of admission of the Company’s shares to trading on the regulated market of the Frankfurt Stock Exchange, General Standard, (the “Admission”) may be affected by factors such as market conditions. There is no guarantee that the Admission will take place, and no financial decision should be based at this time on the Company’s intentions in respect of the Admission. The acquisition of investments to which this announcement relates may expose an investor to a significant risk of losing the entire invested amount. Persons considering such investments should consult an authorised person specialising in advising on such investments. This announcement does not constitute a recommendation regarding the offering. The value of shares may decrease as well as increase. Potential investors should consult a professional adviser to assess the suitability of the offering for the person concerned.

2365768  14-Jul-2026 CET/CEST