600438: Tongwei Co.Ltd(600438) announcement on returning idle raised funds temporarily replenishing working capital

Stock Code: 600438 stock abbreviation: Tongwei Co.Ltd(600438) Announcement No.: 2022-002 Tongwei Co.Ltd(600438)

Announcement on the return of idle raised funds temporarily replenishing working capital

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear individual and joint liabilities for the authenticity, accuracy and completeness of its contents.

On December 10, 2021, Tongwei Co.Ltd(600438) (hereinafter referred to as “the company”) held the 23rd Meeting of the seventh board of directors, deliberated and adopted the proposal on using part of the idle raised funds to temporarily supplement the working capital, and agreed to temporarily use part of the temporarily idle raised funds in the company’s non-public offering of shares to supplement the working capital, The amount shall not exceed RMB 154 million, and the service life shall not exceed 12 months from the date of deliberation and approval by the board of directors. For details, see the company’s website of China Securities Journal, Shanghai Securities News, Securities Daily, securities times and Shanghai Stock Exchange on December 11, 2021( http://www.sse.com.cn. )The Tongwei Co.Ltd(600438) announcement on using some idle raised funds to temporarily supplement working capital disclosed on the. Since December 10, 2021, the company has used the accumulated

154 million yuan of idle raised funds to supplement working capital.

According to the fund use plan of the project invested by the raised funds, the company will return the idle raised funds of 110 million yuan used to temporarily supplement the working capital to the special account for raised funds in advance on February 10, 2022. As of the announcement date, the company has returned 250 million yuan of idle raised funds temporarily replenishing working capital to the special account for raised funds in advance (40 million yuan has been returned on December 23, 2021 and December 30, 2021)

100 million yuan. Please refer to the company’s website of China Securities Journal, Shanghai Securities News, Securities Daily, securities times and Shanghai Stock Exchange on December 24, 2021 and December 31, 2021( http://www.sse.com.cn. )According to the Tongwei Co.Ltd(600438) announcement on the return of idle raised funds for temporary replenishment of working capital), the remaining 129 million yuan of idle raised funds are still in the temporary replenishment of working capital.

It is hereby announced.

Tongwei Co.Ltd(600438)

Board of directors

February 11, 2002

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