vivolopower international plc美股招股说明书(2025-09-26版)

This prospectus supplement is being filed to update and supplement the information contained in the prospectus (assupplemented or amended from time to time, the “Prospectus”), which forms a part of our Registration Statement on Form F-1(Registration No. 333-287060), filed with the Securities and Exchange Commission on May 7, 2025. The Prospectus relates to theissuance by VivoPower International PLC of up to 18,800,000 Ordinary Shares in a best efforts offering. This prospectus supplement updates and supplements the information in the Prospectus and is not complete without, and maynot be delivered or utilized except in combination with, the Prospectus, including any amendments or supplements thereto. Thisprospectus supplement should be read in conjunction with the Prospectus and if there is any inconsistency between the information inthe Prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement. As disclosed in the Prospectus, the offering was originally scheduled to terminate fifteen days following the date of thePlacement Agency Agreement. As previously disclosed in Prospectus Supplement No. 1 to the Prospectus, dated June 13, 2025, theoffering period was extended until July 7, 2025, with the option to further extend it by an additional 15 business days with the mutualconsent of the Company and Chardan. As disclosed in Prospectus Supplement No. 2 to the Prospectus, dated July 3, 2025, the offeringperiod was further extended until July 28, 2025, which date could be further extended by the mutual consent of the Company andChardan. As disclosed in Prospectus Supplement No. 3 to the Prospectus, dated July 25, 2025, the offering period was furtherextended until August 18, 2025, which date could be further extended by the mutual consent of the Company and Chardan. Asdisclosed in Prospectus Supplement No. 4 to the Prospectus, dated August 15, 2025, the offering period was further extended untilSeptember 8, 2025, which date could be further extended by the mutual consent of the Company and Chardan. As disclosed inProspectus Supplement No. 5 to the Prospectus, dated September 5, 2025, the offering period was further extended until September29, 2025, which date could be further extended by the mutual consent of the Company and Chardan. The Company is hereby furtherextending the offering period until September 30, 2025, unless terminated earlier by us in our sole discretion. The Company isextending the offering period to provide additional time to finalize active discussions with potential strategic investors in the digitalasset industry across both U.S. and international markets. Our Ordinary Shares are listed on The Nasdaq Capital Market (“Nasdaq”) under the symbol “VVPR.” The last sale price ofour Ordinary Shares on Nasdaq on September 25, 2025, was $4.91 per share. We may further amend or supplement the Prospectus and this prospectus supplement from time to time by filing amendmentsor supplements as required. You should read the entire Prospectus, this Prospectus Supplement and any amendments or supplementscarefully before you make your investment decision. Investing in our securities involves a high degree of risk. See “Risk Factors” beginning on page 9 of the Prospectus fora discussion of information that should be considered in connection with an investment in our securities. Neither the U.S. Securities and Exchange Commission nor any other regulatory body has approved or disapproved ofthese securities or determined if this prospectus supplement or the Prospectus is truthful or complete. Any representation tothe contrary is a criminal offense. The date of this prospectus supplement is September 26, 2025.