Company: KYIV
Filing Date: 2025-12-18
Form Type: 424B3
Source: 0001213900-25-123334
Chunk: 2

Company: Kyivstar Group Ltd.
Filing Date: 2025-12-18
Form: 424B3
Chunk 2
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 sale of the underlying Common Shares. If the price of our Common Shares is below $11.50 (the exercise price of our Warrants), holders of our Warrants will be unlikely to exercise their Warrants, resulting in little to no cash proceeds to us. We expect to use the net proceeds from the exercise of the Warrants, if any, for general corporate purposes. See “ Use of Proceeds.” We will pay certain expenses associated with the registration of the securities covered by this prospectus, as described in the section entitled “ Plan of Distribution.” Our Common Shares and warrants are trading on The Nasdaq Stock Market LLC (“Nasdaq”). Our Common Shares are listed on the Nasdaq Global Select Market under the symbol “KYIV.” On December17, 2025, the last reported sale price of our Common Shares as reported on Nasdaq was $14.84 per share. Our Warrants are listed on the Nasdaq Capital Market under the symbol “KYIVW.” On December17, 2025, the last reported sale price of our Warrants as reported on Nasdaq was $4.65 per warrant. We may amend or supplement this prospectus from time to time by filing amendments or supplements as required. You should read this entire prospectus and any amendments or supplements carefully before you make your investment decision. We are an “emerging growth company,” a “foreign private issuer” and a “controlled company” each as defined under the U.S. federal securities laws and, as such, may elect to comply with certain reduced public company disclosure and reporting requirements. See “ Prospectus Summary — Emerging Growth Company; Foreign Private Issuer; Controlled Company.” __________________________________________ Investing in our securities involves a high degree of risk. See “ Risk Factors ” beginning on page 9 of this prospectus for a discussion of information that should be considered in connection with an investment in our securities. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense. Prospectus dated December18, 2025 __________________________________________

Table of Contents

|                                                                                       |     | Page |
| About this Prospectus                                                                 |     |   ii |
| FREQUENTLY USED TERMS                                                                 |     |  iii |
| CONVENTIONS THAT APPLY TO THIS PROSPECTUS                                             |     |  vii |
| IMPORTANT INFORMATION ABOUT IFRS AND NON-ifrs FINANCIAL MEASURES                      |