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Biosergen AB (publ) ("Biosergen" or the "Company") has prepared an EU growth prospectus (the "Prospectus") for the forthcoming issue of units consisting of shares and warrants with preferential rights for existing shareholders (the "Rights Issue"), which the board of directors decided on and announced on January 30, 2024, subject to approval from an extraordinary general meeting which was obtained on March 1, 2024. The Prospectus was approved and registered by the Swedish Financial Supervisory Authority today. The Prospectus, containing complete terms and conditions, is now available on the Company's website, www.biosergen.net, and will be made available on Mangold Fondkommission AB's website, www.mangold.se. Application forms and other information about the Rights Issue will also be made available on the Company's website, www.biosergen.net.