Yantai Jereh Oilfield Services Group Co.Ltd(002353) : Announcement on the initial public offering of shares and listing on the gem of Dezhou United Petroleum Technology Co., Ltd., a holding subsidiary

Securities code: 002353 securities abbreviation: Yantai Jereh Oilfield Services Group Co.Ltd(002353) Announcement No.: 2022-006 Yantai Jereh Oilfield Services Group Co.Ltd(002353)

About the holding subsidiary Dezhou United Petroleum Technology Co., Ltd

Announcement on initial public offering and listing on GEM

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

Yantai Jereh Oilfield Services Group Co.Ltd(002353) (hereinafter referred to as “the company”) plans to spin off its holding subsidiary Dezhou United Petroleum Technology Co., Ltd. (hereinafter referred to as “Deshi shares”) and list on the gem of Shenzhen Stock Exchange (hereinafter referred to as “Shenzhen Stock Exchange”). According to the reply on Approving the registration of initial public offering of shares of Dezhou United Petroleum Technology Co., Ltd. (zjxk [2021] No. 3595) issued by China Securities Regulatory Commission (hereinafter referred to as “CSRC”), the CSRC agrees to the application for registration of initial public offering of shares of Deshi on the gem of Shenzhen Stock Exchange. See Announcement No. 2021-070 disclosed by the company on cninfo.com for details.

On December 27, 2021, Deshi disclosed the letter of intent for initial public offering and listing on the gem, the announcement on preliminary inquiry and promotion of initial public offering and listing on the gem and other relevant announcements, On January 11, 2022, the announcement on the results of initial public offering and listing on GEM and the prospectus for initial public offering and listing on GEM were disclosed. On January 13, 2022, the company received a notice from Deshi shares that Deshi shares will be listed on the gem of Shenzhen Stock Exchange on January 17, 2022. The securities are referred to as “Deshi shares” for short and the securities code is “301158”. So far, Deshi has completed its initial public offering.

The details of the listing documents of Deshi shares on the gem can be queried on the website of Shenzhen Stock Exchange.

Please invest rationally and pay attention to investment risks.

It is hereby announced.

Yantai Jereh Oilfield Services Group Co.Ltd(002353) board of directors

January 13, 2022

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