Announcement on the Redemption Results of Yiwei Convertible Bonds

Special Instructions:

1. The number of "Yiwei Convertible Bonds" redeemed: 112,647 shares
2. The total amount paid for the "Yiwei Convertible Bonds": 11,268,525.78 RMB (excluding handling fees)
3. The investment subscription date for "Yiwei Convertible Bonds": May 6, 2026
4. The redemption date: May 7, 2026

I. Basic Situation of the Convertible Bond Issuance

1. The convertible bonds were issued in accordance with the approval of the China Securities Regulatory Commission (CSRC) (hereinafter referred to as "the CSRC") regarding the issuance of convertible bonds by Yiwei Battery Co., Ltd. (hereinafter referred to as "the Company") on March 24, 2025 (Approval No. 2024 [1910]).
2. The Company has issued 50,000,000 shares of convertible bonds with a term of 6 years, with an annual interest rate of 0.40%, and the bond code is "123254."
3. The redemption period for the convertible bonds is set from March 28, 2025 (T+4) to May 29, 2026.

II. Redemption Implementation Arrangement

1. The price of the "Yiwei Convertible Bonds" is determined as follows:
   • The calculation formula for the interest during the period is: IA = B × i × t / 365, where:
     • IA: refers to the interest during the period
     • B: refers to the total face value of the convertible bonds held by the bondholder
     • i: refers to the interest rate of the convertible bonds (0.40%)
     • t: refers to the number of days (31 days), starting from the first payment date (March 24, 2026) until the end of the year.