ECARX Holdings Inc.

US$[●] [insert date]

FOR VALUE RECEIVED, ECARX Holdings Inc., an exempted company with limited liability incorporated under the laws of the Cayman Islands with registration number 357139 and whose registered office is at Maples Corporate Services Limited, PO Box 309, Ugland House, Grand Cayman, KY1-1104, Cayman Islands (the “Company”), promises to pay, on the terms and subject to the conditions of this Convertible Senior Note (this “Note”), to the order of [insert name of Holder], a company incorporated with limited liability under the laws of [insert jurisdiction] (together with any permitted transferee, the “Holder”), the principal amount of US$[●] (the “Principal Amount”), plus interest accrued thereon at the rate set forth in this Note, and all other amounts from time to time due and payable as set forth in this Note, on the Maturity Date or such earlier date as may be otherwise set forth herein, unless the outstanding principal, together with accrued interest, is settled in accordance with Article III of the Note.

The Note is issued in accordance with the Convertible Note Purchase Agreement, dated November 3, 2025 (as amended, supplemented or otherwise modified from time to time) (the “Note Purchase Agreement”) between, among others, the Company and the Holder, and is subject to the provisions thereof. The Holder is entitled to the benefits of this Note and the Note Purchase Agreement and, on the terms and subject to the conditions set forth herein and therein, may enforce the agreements contained herein and therein and pursue the remedies provided for hereby and thereby or otherwise available.