Securities code: 688819 Securities abbreviation: Tianneng shares Announcement No.: 2025-007

Tianneng Battery Group Co., Ltd

Announcement on the progress of the repurchase of the company's shares by means of centralized bidding transactions

The board of directors and all directors of the company guarantee that there is no false record, misleading statement or material omission in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content.

Important Content Notes:

The repurchase plan was first disclosed on March 19, 2024, and was appointed by Zhang Tianren, the actual controller and chairman of the company

Mr. proposed

The implementation period of the repurchase plan is March 18, 2024 ~ March 17, 2025

The estimated repurchase amount is 50 million yuan ~ 100 million yuan

Buyback Purpose For employee stock ownership plans or equity incentives

The cumulative number of repurchased shares is 1,989,637 shares

Cumulative number of repurchased shares to total share capital 0.20%

The cumulative amount repurchased is 47.7259 million yuan

The actual repurchase price range is 21.34 yuan/share~28.83 yuan/share

1. The basic situation of the repurchase of shares

Tianneng Battery Group Co., Ltd. (hereinafter referred to as "the company") based on the confidence in the company's future development and the recognition of the company's value, in order to establish and improve the company's long-term incentive mechanism, fully mobilize the enthusiasm of the company's employees, effectively combine the interests of shareholders, the company and employees, and promote the healthy and sustainable development of the company, proposed by Mr. Zhang Tianren, the actual controller and chairman of the company, and deliberated and approved by the fifteenth meeting of the second board of directors of the company. Proposal on the Company's Repurchase of Shares by Centralized Bidding Transaction", which intends to repurchase shares through centralized bidding with its own funds, with the total repurchase funds not less than RMB 50 million and not more than RMB 100 million (inclusive), and the repurchase price shall not exceed RMB 41.82 per share. The repurchased shares will be used for employee stock ownership plans or equity incentives at an appropriate time in the future, and the period of repurchase of shares will be within 12 months from the date of approval of the repurchase plan by the board of directors of the company.

For details, please refer to the company's website on the Shanghai Stock Exchange on 19 March 2024

(http://www.sse.com.cn) Announcement on the Share Repurchase Plan by Centralized Auction (Announcement No.: 2024-013) disclosed.

After the implementation of the Company's 2023 annual equity distribution, the upper limit of the price of shares repurchased by the Company through centralized auction transactions will be adjusted from no more than RMB41.82 per share (inclusive) to no more than RMB41.17 per share (inclusive). Specific

For details, please refer to the Company's disclosure on the website of the Shanghai Stock Exchange on June 21, 2024 (www.sse.com.cn)

Announcement on Adjusting the Price Cap of Repurchased Shares after the Implementation of the 2023 Annual Equity Distribution (Announcement No.: 2024-041).

2. Progress of share repurchases

According to the Rules for Share Repurchase of Listed Companies, the Self-Regulatory Guidelines for Listed Companies on the Shanghai Stock Exchange No. 7 - Repurchase of Shares, and other relevant regulations, the company shall announce the progress of the repurchase as of the end of the previous month within the first three trading days of each month during the repurchase period. The company now announces the progress of the share repurchase as of the end of last month as follows:

As of January 31, 2025, the company has been traded through the Shanghai Stock Exchange trading system through centralized bidding

The company has repurchased a total of 1,989,637 shares, accounting for 0.20% of the company's current total share capital, with the highest price of RMB 28.83 per share and the lowest price of RMB 21.34 per share, and the total amount of funds paid is RMB 47,725,854.81 (excluding transaction commissions and other expenses). The repurchase is in line with the provisions of relevant laws and regulations and the requirements of the company's share repurchase plan.

3. Other matters

The company will strictly follow the "Rules for Share Repurchase of Listed Companies", "Shanghai Stock Exchange Self-Regulatory Guidelines for Listed Companies No. 7 - Repurchase of Shares" and other relevant regulations, within the repurchase period according to market conditions to make repurchase decisions and implement them, and at the same time timely fulfill the obligation of information disclosure according to the progress of the repurchase of shares, please pay attention to the investment risks.

The announcement is hereby made.

Board of Directors of Tianneng Battery Group Co., Ltd

February 6, 2025