Announcement of Tangshan Sanyou Chemical Co., Ltd. on 2022 Annual Results Presentation

Tangshan Sanyou Chemical Co., Ltd. will hold the 2022 Annual Results Presentation from 15:00 to 16:00 on Wednesday, June 21, 2023. The meeting will be held at the Shanghai Roadshow Center of the Shanghai Stock Exchange. The investors' briefing session will be held in the form of online interaction. The Company will interact and communicate with investors on the specific operating results and financial indicators of 2022, and answer questions of general concern to investors within the scope permitted by information disclosure. The details are as follows. Announcement

of Tangshan Sanyou Chemical Co., Ltd. regarding 2022 Annual Results Presentation Stock Code: 600409 & nbsp; Stock Abbreviation: Sanyou Chemical & nbsp; Announcement No.: Lin 2023-031

The board of directors and all directors of the Company warrant that there are no false representations, misleading statements or material omissions contained in this announcement, and accept legal responsibility for the truthfulness, accuracy and completeness of the contents of this announcement.

Important notice:

The meeting will be held in the afternoon of Wednesday, June 21, 2023. 15: 00-16: 00

Venue of the Meeting: Shanghai Roadshow Center, Shanghai Stock Exchange (Website: http://roadshow.sseinfo.com/)

Method of the Meeting: Online Interactive

with Shanghai Roadshow Center Investors can hold the Meeting at 2023 From June 14, 2006 (Wednesday) to June 20, 2006 (Tuesday) before 16:00, log in the homepage of the website of Shanghai Roadshow Center and click the column of "Pre-collection of Questions" or ask questions through the sh600409@126.com of the company's mailbox. The company will answer questions of general concern to investors at the presentation.

Tangshan Sanyou Chemical Co., Ltd. (Hereinafter referred to as the "Company") has released the Company's 2022 Annual Report on April 14, 2023. In order to facilitate investors to have a more comprehensive and in-depth understanding of the Company's operating results and financial situation in 2022, The Company plans to hold a 2022 annual performance presentation from 15:00 to 16:00 on June 21, 2023 to exchange views on issues of concern to investors. I. Type

of the

briefing session The investors' briefing session will be held in the form of online interaction. The Company will interact and communicate with investors on the specific operating results and financial indicators for 2022, and answer questions of general concern to investors within the scope permitted by information disclosure.

II. Time and place

of the presentation meeting (I) Time of the meeting: 15: 00-16: 00 p.m. on June 21, 2023

(II) Venue: SSE Roadshow Center

(III) & nbsp; Convening method: SSE Roadshow Center Network Interaction

III. & nbsp; Participants

General Manager: Mr.

Wang Tieying Deputy General Manager and Secretary to the Board: Mr.

Liu Yinjiang Chief Accountant: Mr.

Yao Zhiqiang Independent Director: Mr.

Chen Shenghua IV. Attendance

of investors (I) Investors may log in to the Shanghai Roadshow Center (http://roadshow.sseinfo.com/) via Internet from 15:00 p.m. to 16:00 p.m. on June 21, 2023 to participate in the results presentation online. The company will answer questions from investors in a timely manner.

(2) Investors may, on Wednesday, June 14, 2023 & nbsp; Before 16:00 on June 20 (Tuesday), log in to the homepage of the website of the Shanghai Roadshow Center, click on the column of "Pre-solicitation of Questions" (http://roadshow.sseinfo.com/questionCollection.do), and according to the time of the activity, Select this activity or ask questions to the company through the company's mailbox sh600409@126.com, and the company will answer the questions of general concern to investors at the presentation meeting.

V. Contact Person and Consultation Method

Contact Person: Securities

Department of the Company Tel: 0315-8519078; 0315 – 8511642

Email: sh600409@126.com

VI. Other matters

After the convening of the Investors' Briefing Session, Investors can view the convening and main contents of the investor briefing through the Shanghai Roadshow Center (http://roadshow.sseinfo.com/).

Hereby announce. Board of Directors

of Tangshan Sanyou Chemical Co., Ltd. June 13,