CTR077029_COI_Cyber_Exp_1.1.26.pdf

Marsh Ireland Brokers Limited (UK Branch) Tower Place London

EC3R 5BU

www.marsh.com

Marsh Ireland Brokers Limited has entered into the UK's Temporary Permissions Regime and is deemed to be authorised and regulated by the Financial Conduct Authority. Details of the Temporary Permissions Regime, which allows EEA-based firms to operate in the UK for a limited period while seeking full authorisation, are available on the Financial Conduct Authority’s website. Full authorisation will be sought from the Financial Conduct Authority in due course. Branch Number BR021174. Registered Office: 1 Tower Place West Tower

Place, London, EC3R 5BU. VAT Number GB 244 2517 79.

Marsh Ireland Brokers Limited, trading as Marsh Ireland, Bowring Marsh, Marsh JLT Specialty, Charity

Insurance, Guy Carpenter & Company, ILCS, JLT Ireland, Claims Solutions, Echelon Claims Consultants, Insolutions, Lloyd&Partners, Marsh Aviation Consulting, Marsh Claims Management Services, Marsh Reclaim, Marsh Risk Consulting, is regulated by the Central Bank of Ireland.

Directors: A J Croft (previously Kehoe), T Colraine (British), P G Dromgoole (British), J Flahive (British), J C Grogan, P Howett, C J Lay (British), S P Roche, R I White (British). A private company limited by shares registered in Ireland under company number: 169458. Registered Office: 25-28 Adelaide Road, Dublin 2, Ireland. VAT Number 65694758D.

06 January 2025

To whom it may concern

T Mobile US, Inc. and its subsidiary Sprint Corporation:

Certificate Holder:

T Mobile US, Inc. and its subsidiary Sprint Corporation 12920 SE 38th Street Bellevue

WA 98006-1350

United States of America

As requested by the above client, we are writing to confirm that we act as Insurance Brokers to the client and that we have arranged insurance(s) on its behalf as detailed below:

TYPE OF INSURANCE: Errors & Omission & Cyber Liability

INSURER:

INSURED ADDRESS:

AFB 2623/623 and Beazley Furlonge Limited AFB 5361/5311 & others

12920 SE 38th St

Bellevue

WA 98006,

United States.

POLICY NUMBER: CYBLB2550026

PERIOD OF INSURANCE:

TERRITORIAL LIMITS:

From: 1st January 2025 To: 1st January 2026 Both days inclusive Local Standard Time at the Principal

Address

Worldwide

LOSS LIMIT:

SITUATION:

USD 5,000,000 each and every claim and in the aggregate

Worldwide

CONDITIONS: As per policy wording

We have placed the insurance which is the subject of this letter after consultation with the client and based upon the client’s instructions only. Terms of coverage, including limits and deductibles, are based upon information furnished to us by the client, which information we have not independently verified.

This letter is issued as a matter of information only and confers no right upon you other than those provided by the policy. This letter does not amend, extend or alter the coverage afforded by the policies described herein. Notwithstanding any requirement, term or condition of any contract or other document with respect to which this letter may be issued or pertain, the insurance afforded by the policy (policies) described herein is subject to all terms, conditions, limitations, exclusions and cancellation provisions and may also be subject to warranties. Limits shown may have been reduced by paid claims.

We express no view and assume no liability with respect to the solvency or future ability to pay of any of the insurance companies which have issued the insurance(s).

We assume no obligation to advise yourselves of any developments regarding the insurance(s) subsequent to the date hereof. This letter is given on the condition that you forever waive any liability against us based upon the placement of the insurance(s) and/or the statements made herein with the exception only of wilful default, recklessness or fraud.

This letter may not be reproduced by you or used for any other purpose without our prior written consent.

This letter shall be governed by and shall be construed in accordance with English law.

Yours sincerely, For and On Behalf of Marsh Ireland Brokers Limited (UK Branch)

Maximilian Ernst Senior Vice President