Radnostix extends Series C Preferred maturity to February 28, 2028

On May 14, 2026, Radnostix, Inc. (the “Company”) received approval of a further modification to the maturity date of its Series C Convertible Redeemable Preferred Stock (the “Series C Preferred Stock”) from a majority of the outstanding shares of the Series C Preferred Stock. The modification extends the maturity date of the Series C Preferred for an additional year to February 28, 2028. All other terms in the Series C Preferred Stock remain unchanged. In connection therewith, on May 19, 2026, the Company filed a Certificate of Amendment to Statement of Designation of the Series C Preferred Stock (the “Certificate of Amendment”) with the Secretary of State of the State of Texas to reflect the approved modification.