Hoshine Silicon Industry Co.Ltd(603260) : Hoshine Silicon Industry Co.Ltd(603260) announcement on holding 2021 annual performance presentation and online presentation of cash dividends

Securities code: Hoshine Silicon Industry Co.Ltd(603260) securities abbreviation: Hoshine Silicon Industry Co.Ltd(603260) Announcement No.: 2022029 Hoshine Silicon Industry Co.Ltd(603260)

Announcement on holding 2021 annual performance briefing and online briefing on cash dividends

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.

Important content tips

Meeting time: 13:00-14:00, Wednesday, May 11, 2022

Meeting mode: network interaction mode

Venue: value online (www.ir-online. CN.)

Solicitation of conference questions: investors can visit the website before 13:00 on May 11, 2022 https://eseb.cn./UAk8qe9t0Q Or scan the small program code below and click “enter the meeting” to ask questions before the meeting. The company will answer the questions generally concerned by investors within the scope of information disclosure through this performance description meeting. 1、 Description meeting type

Hoshine Silicon Industry Co.Ltd(603260) (hereinafter referred to as “the company” or ” Hoshine Silicon Industry Co.Ltd(603260) “) was posted on the website of Shanghai Stock Exchange (www.sse. Com. CN.) on April 28, 2022 Disclosed the annual report of Hoshine Silicon Industry Co.Ltd(603260) 2021, the summary of Hoshine Silicon Industry Co.Ltd(603260) 2021 annual report and the announcement of Hoshine Silicon Industry Co.Ltd(603260) 2021 annual profit distribution plan (2022019). In order to facilitate investors to have a more comprehensive and in-depth understanding of the company’s business performance and development strategy, the company is scheduled to be on “value online” (www.ir-online. CN.) from 13:00 to 14:00 on Wednesday, May 11, 2022 Hold the company’s 2021 online performance briefing and cash dividend briefing, communicate and exchange with investors, and widely listen to investors’ opinions and suggestions.

2、 Explain the time, place and mode of the meeting

Meeting time: 13:00-14:00, Wednesday, May 11, 2022;

Meeting mode: network interaction mode;

Venue: value online (www.ir-online. CN.). 3、 Participants

Mr. Luo Yedong, director and general manager of the company;

Ms. Zhang yacong, director and chief financial officer of the company;

Mr. Gong Jiping, director and Secretary of the board of directors of the company;

Ms. Cheng Ying, an independent director of the company, will attend this briefing (in case of special circumstances, the participants will be adjusted). 4、 Investor participation mode

Investors can visit the website from 13:00 to 14:00 on Wednesday, May 11, 2022 https://eseb.cn./UAk8qe9t0Q Or scan the applet code below to enter and participate in interactive communication. Investors can visit the website before 13:00 on May 11, 2022 https://eseb.cn./UAk8qe9t0Q Or scan the small program code below and click “enter the meeting” to ask questions before the meeting. The company will answer the questions generally concerned by investors within the scope of information disclosure at this performance briefing. 5、 Contact person and consultation method

Contact: Office of the board of directors of the company

Tel: 057458011165

Fax: 057458011083

Email: [email protected]. 6、 Other matters

After the performance presentation meeting is held, investors can use value online (www.ir-online. CN.) Check the holding and main contents of this performance briefing.

It is hereby announced.

Hoshine Silicon Industry Co.Ltd(603260) board of directors may 5, 2022

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