The Magnum Ice Cream Company N.V. Up to 121,604,413 Ordinary Shares Offered by Selling Shareholders This Prospectus Supplement No. 3 (this “Supplement”) relates to the prospectus of The Magnum Ice Cream CompanyN.V. (the “Company”), dated April 13, 2026 (as amended or supplemented from time to time, the “Prospectus”), whichforms a part of our Registration Statement on Form F-1 (Registration No. 333-294850), relating to the offer and salefrom time to time by the selling security holders named in the Prospectus of up to 121,604,413 ordinary shares in thecapital of the Company, nominal value of EUR 3.50 per share (the “Ordinary Shares”). This Supplement should beread in conjunction with the Prospectus and is qualified by reference to the Prospectus, except to the extent that theinformation in this Supplement supersedes the information contained in the Prospectus, and may not be deliveredwithout the Prospectus. This Supplement is being filed to update and supplement the information in the Prospectus with the informationcontained in our Report on Form 6-K, filed with the Securities and Exchange Commission (the “SEC”) on July 30,2026 (the “Form 6-K Report”). Accordingly, we have attached the Form 6-K Report to this Supplement. Our Ordinary Shares are listed on Euronext Amsterdam under the symbol “MICC,” on the Main Market of the LondonStock Exchange under the ticker symbol “MICC” and on the New York Stock Exchange under the ticker symbol“MICC.” We had 612,259,739 Ordinary Shares outstanding as of July 29, 2026. On July 29, 2026, the last reportedsale price of our Ordinary Shares as reported on the New York Stock Exchange was $18.24 per ordinary share. Investing in our Ordinary Shares involves a high degree of risk. For a discussion of information that should beconsidered in connection with an investment in our securities, see “Risk Factors” beginning on page 5 of theProspectus and the risks and uncertainties described under the heading “Risk management” in our most recentAnnual Report on Form 20-F, which is incorporated by reference in the Prospectus. Neither the SEC nor any state securities commission has approved or disapproved of these securities ordetermined if this Supplement is truthful or complete. Any representation to the contrary is a criminal offense. The date of this Prospectus Supplement No. 3 is July 30, 2026 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THESECURITIES EXCHANGE ACT OF 1934 Dated July 30, 2026 Commission File Number:001-42939 The Magnum Ice Cream Company N.V.(Translation of registrant's name into English) Reguliersdwarsstraat 631017 BK AmsterdamThe Netherlands(Address of principal executive office) Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.Form 20-F☒Form 40-F☐ SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to besigned on its behalf by the undersigned, thereunto duly authorized. Date: July 30, 2026 TMICC H1 2026 results Solid performance, driven by innovation and operational rigourH1 organic sales growth +4.7%; Full-year outlook reaffirmed Amsterdam, 30 July 2026 ●H1 2026 revenue €4.7 billion (H1 2025: €4.5 billion), +4.7% organic sales growth (OSG) balanced between volume+2.5% and price +2.2%, and across all regions●Q2 2026 revenue €2.9 billion (Q2 2025: €2.7 billion), +4.9% OSG●Operating Profit €587 million (H1 2025: €569 million), reflects improved Adjusted EBIT partially offset by an increase inadjusting items●H1 2026 Adjusted EBIT €716 million (H1 2025: €666 million), H1 2026 Adjusted EBIT margin 15.3% (H1 2025:14.8%), +50bps versus H1 2025●H1 2026 Adjusted EBITDA €880 million (H1 2025: €853 million), H1 2026 Adjusted EBITDA margin 18.7% (H1 2025:19.0%), impacted -70bps by Transitional Service Agreements (TSAs), with previously allocated depreciation charged ascash costs, and -30bps due to the acquisition in India●Productivity programme remains on track, with €90 million of savings delivered in H1 2026●Successfully integrated India and Portugal acquisitions (a) India and Portugal were not in the perimeter and paid royalty for the use of TMICC brands prior to acquisitions completed on 30 March 2026 and 1 April 2026respectively. The underlying growth of The Magnum Ice Cream Company N.V. (the ‘Company’ or ‘TMICC’) excluding these royalties would be Organic Sales Growth(OSG) 4.8% and Organic Price Growth (OPG) 2.3%. Peter ter Kulve, CEO:“We delivered another solid performance for the first half, achieving growth of 4.7%, balancing volume and value tooutperform the growing global ice cream category. Growth in the first half continued to be powered by market-making innovation and our occasion-led demand creation model. Each of our fourleading brands – Magnum, Ben & Jerry’s, Cornetto, and the Heartbrand – grew,