Power of Attorney for Kyivstar Group Ltd.

This filing contains a Power of Attorney document, designating Zeze Ikhinmwin, Olivia Hegarty, and Boris Dolgushin as attorneys-in-fact for Brandon Lewis. The attorneys are authorized to execute and file Forms 3, 4, and 5, as well as Form 144, related to Section 16(a) of the Securities Exchange Act of 1934 and Rule 144 of the Securities Act of 1933, including any amendments. They are empowered to take any necessary actions to complete these filings with the SEC and any stock exchanges. This Power of Attorney remains effective until revoked in writing or superseded by a new document. The document was signed on March 31, 2026.