Securities code: 688303 Securities abbreviation: Daqo Energy Announcement No.: 2025-006

Xinjiang Daqo New Energy Co., Ltd

Announcement on the resignation of core technical personnel

The Board of Directors and all directors of the Company guarantee that there are no false records or misleading statements in the content of the announcement

or material omissions, and bear legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Important:

Xinjiang Daqo New Energy Co., Ltd. (hereinafter referred to as "the company") core technical personnel Wang Xiyu

Recently, Mr. applied to the company for resignation from his position in the company due to personal reasons, and he no longer served as a public servant after his resignation

Division of any position.

Mr. Wang Xiyu has signed a "Labor Contract" and "Confidentiality Agreement" with the company, which he will issue during his tenure

The relevant patents applied by Mingren are not single inventors and the ownership is attributed to the company or subsidiaries.

There is no circumstance that affects the integrity of the Company's intellectual property.

After Mr. Wang Xiyu resigned, the work he was responsible for has been handed over, and the company's production and operation, and technical research have been completed

and other work are progressing in an orderly manner. The departure of Mr. Wang Xiyu will not affect the company's ability to continue operations and research and development

strength and core competitiveness have a significant adverse impact.

First, the specific situation of the retirement and departure of core technical personnel

Recently, the board of directors of the company received a written resignation report submitted by Mr. Wang Xiyu, a core technical personnel, and due to personal reasons, Mr. Wang Xiyu applied for resignation from the position held by the company, and no longer held any position in the company after resignation. The Company and the Board of Directors would like to express their heartfelt gratitude to Mr. Wang Xiyu for his diligent work and efforts and contributions to the development of the Company during his tenure.

(1) The specific situation of core technical personnel

Mr. Wang Xiyu, born in November 1978, Chinese nationality, no right of permanent residence abroad, postgraduate degree.

From July 2001 to September 2004, he served as a technician of Shandong Dacheng Pesticide Co., Ltd. chlorothalonil sorting plant; 2007

From July to September 2012, he served as the workshop director of Chongqing Daquan exhaust gas recovery workshop; October 2012 to 2013

In November, he was appointed as the director of Daqo Co., Ltd. exhaust gas recovery workshop; From November 2013 to December 2015, he served as a limited cooler

Director of Hydrogenation Workshop; From December 2015 to December 2017, he served as the workshop director of Xinjiang Daqo Cold Hydrogenation Workshop;

From January 2018 to June 2019, he served as the assistant to the general manager of Xinjiang Daqo; He served from June 2019 to July 2020

Chief Technology Officer, Cayman Daqo; From July 2020 to August 2023, he served as the deputy general manager of Xinjiang Daqo; August 2023

from October 2024 to October 2024, he served as the director and general manager of Daqo Energy; From September 2024 to the present, he has served as Inner Mongolia Daxin Energy

General Manager of Source Research Institute.

As of the disclosure date of this announcement, Mr. Wang Xiyu does not directly hold shares of the company.

(2) Patent situation

Mr. Wang Xiyu participated in the company's technology research and development related work during his tenure as a core technical personnel of the company, and the patents he applied for as an inventor during his tenure were not patents of a single inventor and were all service inventions. The ownership of the aforesaid patents belongs to the company, and there are no patent disputes or potential disputes involved, and there is no situation that affects the integrity of the company's intellectual property rights.

(3) Performance of confidentiality obligations

According to the "Labor Contract" and "Confidentiality Agreement" signed between the Company and Mr. Wang Xiyu, the two parties have expressly agreed on the confidentiality rights and obligations, liability for breach of contract, non-competition and other matters regarding the Company's trade secrets and technical secrets, and Mr. Wang Xiyu has the obligation to keep confidential the company's trade secrets that he knows. As of the disclosure date of this announcement, the company has not found that Mr. Wang Xiyu has violated the confidentiality obligation.

3. The impact of the resignation of core technical personnel on the company

The departure of Mr. Wang Xiyu will not have a material adverse impact on the Company's ability to continue operations, R&D strength and core competitiveness. Through long-term technology accumulation and development, the company has established a complete R&D system and cultivated an efficient and creative R&D team. Team members perform their own responsibilities and ultimately form collective results, and there is no single dependence on specific core technical personnel.

As of the end of 2021, the end of 2022, and the end of 2023, the number of R&D personnel in the company is 310,

449 and 842 people, accounting for 12.97%, 17.90% and 13.77% of the company's total number respectively. The company's R&D team has a complete structure and sufficient reserve personnel. As of the disclosure date of this announcement, the specific situation of the company's core technical personnel is as follows:

During the core technical personnel

Before this change, Wang Xiyu, Luo Jialin, Tian Xianrui, Ma Xiaoliang, Pan Heping, Mo Kezhang

After this change, Luo Jialin, Tian Xianrui, Ma Xiaoliang, Pan Heping, and Mo Kezhang

Fourth, the measures taken by the company

As of the disclosure date of this announcement, Mr. Wang Xiyu has completed the handover with the company's R&D team, and the company's existing R&D projects are progressing in an orderly manner. At present, the company's technology research and development and daily operation are carried out normally, and the existing R&D team and core technical personnel can support the continuous research and development of the company's core technology in the future. At the same time, the company has formed a set of intellectual property protection system including patents, trademarks and software copyrights to effectively protect the company's innovative achievements. The company has always attached great importance to R&D, and will further increase R&D investment, improve the performance appraisal system and talent incentive mechanism, and enhance the company's technological innovation capabilities.

The announcement is hereby made.

Board of Directors of Xinjiang Daqo New Energy Co., Ltd

January 18, 2025