Company: KYIV
Filing Date: 2025-07-22
Form Type: 424B3
Source: 0001213900-25-066705
Chunk: 758

Company: Kyivstar Group Ltd.
Filing Date: 2025-07-22
Form: 424B3
Chunk 758
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|                              |     | Title:   Manager     |

[ Signature Page to Seller Lock-Up Agreement ]

Annex D-6

| KYIVSTAR GROUP LTD. |     |                      |
| By:                 |     | /s/ Kaan Terzioglu   |
|                     |     | Name: Kaan Terzioglu |
|                     |     | Title:   Director    |

[ Signature Page to Seller Lock-Up Agreement ]

Annex D-7

| VEON AMSTERDAM B.V. |     |                      |
| By:                 |     | /s/ Kaan Terzioglu   |
|                     |     | Name: Kaan Terzioglu |
|                     |     | Title:   Director    |

| By: |     | /s/ Maciej Wojtaszek   |
|     |     | Name: Maciej Wojtaszek |
|     |     | Title:   Director      |

[ Signature Page to Seller Lock-Up Agreement ]

Annex D-8 Annex A Notices [***] Annex D-9 Annex E FORM OF REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “ Agreement ”), dated as of [•], 2025, is made and entered into by and among Kyivstar Group Ltd., an exempted company limited by shares, incorporated and existing under the laws of Bermuda with registered number 202504557 (“ New PubCo ”), Cohen Circle Sponsor I, LLC, a Delaware limited liability company and Cohen Circle Advisors I, LLC, a Delaware limited liability company (together, the “ Sponsors ”), certain parties set forth on Exhibit A hereto (such parties, together with the Sponsors, the “ Sponsor Parties ” and individually, a “ Sponsor Party ”), VEON Amsterdam B.V., a private company with limited liability ( besloten vennootschap met beperkte aansprakelijkheid ) incorporated under Dutch law and registered with the Dutch Chamber of Commerce ( Kamer van Koophandel ) under number 34378904 (the “ Seller ” and, together with the Sponsors and their respective Permitted Transferees (as defined herein), the “ Holders ,” and each individually a “ Holder ”). Capitalized terms used but not defined herein have the meanings assigned to them in the Business Combination Agreement (as defined below). RECITALS WHEREAS , New PubCo has entered into that certain Business Combination Agreement, dated as of March 18, 2025 (as