Securities Code: 688005 Securities abbreviation: Rongbai Technology Announcement No.: 2021-083

Ningbo Rongbai New Energy Technology Co., Ltd.

Announcement on the Results of Resuming Production of Some Precursor Production Lines

the company's board of directors and all directors to ensure that the contents of this announcement does not exist any false records, misleading statements or major omissions, and the authenticity, accuracy and completeness of the contents of the legal responsibility.

Ningbo Rongbaixin Energy Technology Co., Ltd. (hereinafter referred to as the "Company") Yuyao Xiaocao E Branch part of the old production line in June 2021 to stop production rectification, see the company on June 16, 2021 disclosure of the announcement No. 2021-033. The discontinued production line mainly produces medium and low nickel precursors, which account for a relatively small proportion of the precursor business.

During the period of resumption of production and rectification, the company hired a design institute with chemical Grade A qualification to carry out safety design diagnosis and evaluation, and simultaneously carried out production line equipment upgrade and process optimization, single-line production capacity was improved, resulting in the rectification cycle has been extended. Recently, the company has received the relevant departments to review the qualified notice to allow the resumption of production, Yuyao Xiao Cao E branch of the third and fourth workshops have officially resumed production, the company's precursor capacity utilization rate further improved.

It is hereby announced.

Board of Directors of Ningbo Rongbai New Energy Technology Co., Ltd.

22 October 2021