Company: KYIV
Filing Date: 2025-07-10
Form Type: F-4/A
Source: 0001213900-25-062760
Chunk: 749

Company: Kyivstar Group Ltd.
Filing Date: 2025-07-10
Form: F-4/A
Chunk 749
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AC and Cantor, as representative of the Underwriters (as defined therein). [ Signature Page Follows ] Annex C-9

IN WITNESS WHEREOF, the parties hereto have each caused this Sponsor Agreement to be duly executed as of the date first written above.

| COHEN CIRCLE ACQUISITION CORP. I |     |                                       |
| By:                              |     | /s/ Betsy Z. Cohen                    |
| Name:                            |     | Betsy Z. Cohen                        |
| Title:                           |     | President and Chief Executive Officer |

[ Signature Page to Sponsor Agreement ]

Annex C-10

| COHEN CIRCLE SPONSOR I, LLC  |     |                    |
| By:                          |     | /s/ Betsy Z. Cohen |
| Name:                        |     | Betsy Z. Cohen     |
| Title:                       |     | Manager            |
| COHEN CIRCLE ADVISORS I, LLC |     |                    |
| By:                          |     | /s/ Betsy Z. Cohen |
| Name:                        |     | Betsy Z. Cohen     |
| Title:                       |     | Manager            |

[ Signature Page to Sponsor Agreement ]

Annex C-11

| Cantor Fitzgerald & Co. |     |                                   |
| By:                     |     | /s/ Sage Kelly                    |
| Name:                   |     | Sage Kelly                        |
| Title:                  |     | Global Head of Investment Banking |

[ Signature Page to Sponsor Agreement ]

Annex C-12

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

[ Signature Page to Sponsor Agreement ]

Annex C-13

| 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 Sponsor Agreement ]

Annex C-14 ANNEX A Sponsors’ New PubCo Common Shares immediately after the Closing