Tianjin Hi-Tech Development Co.Ltd(600082) : announcement of Tianjin Qingdao Hi-Tech Moulds & Plastics Technology Co.Ltd(301022) Technology Development Co., Ltd. on the correction of the company’s report for the first quarter of 2022

Stock abbreviation: Tianjin Hi-Tech Development Co.Ltd(600082) Stock Code: Tianjin Hi-Tech Development Co.Ltd(600082) No.: (pro 2022019) Tianjin Qingdao Hi-Tech Moulds & Plastics Technology Co.Ltd(301022) Technology Development Co., Ltd

Announcement on correction of the company’s report for the first quarter of 2022

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.

Tianjin Qingdao Hi-Tech Moulds & Plastics Technology Co.Ltd(301022) Technology Development Co., Ltd. (hereinafter referred to as “the company”) disclosed the first quarter report of 2022 on April 30, 2022. After review by the company, some contents are corrected as follows:

1、 Before correction:

Shareholder information (I) total number of ordinary shareholders, number of preferred shareholders whose voting rights have been restored and shareholding of the top ten shareholders

Unit: shares

Total number of common shareholders at the end of the reporting period 41570 total number of preferred shares with voting rights restored at the end of the reporting period (if any)

Shareholding of top 10 shareholders

Pledge, mark or shareholding ratio Holding Limited freezing shareholder name shareholder nature shareholding number example (%) conditional shares

Number of shares number of shares status

Tianjin Haitai Holding Group Co., Ltd. has a legal person 15693876824.29 0 No 0 company

Tianjin Huayuan Real Estate Co., Ltd. state owned legal person 317301644.91 0 none 0

Li Luchao domestic natural person 99903001.55 0 unknown 0

Chen Yuehua domestic natural person Shanghai Pudong Development Bank Co.Ltd(600000) 00.95 0 unknown 0

Natural person in sun Wanru 50674000.80 0 unknown 0

Shanghai Yingshui Investment Management Co., Ltd. is non-state-owned in the territory

Company – Yingshui Jubao No. 18 private placement certificate legal person 48040490.76 0 unknown 0 bond investment fund non state owned within the territory of China Agricultural Bank Of China Limited(601288) Co., Ltd

Division – China Securities 500 index growth Corporation 41184000.65 0 unknown 0 Strong Securities Investment Fund

Chen Xiongsheng domestic natural person 40000000.63 0 unknown 0 Guosen Securities Co.Ltd(002736) – domestic non-state owned

China Securities 500 index intelligent selective growth legal person 33436000.53 0 unknown 0 Strong Securities Investment Fund

Zhou Yunhua natural person 28080000.44 0 unknown 0

Shareholding of the top 10 shareholders with unlimited sales conditions

Name of shareholder number of tradable shares with unlimited sales conditions type and quantity of shares

Number of shares

China Electronic Finance Co., Ltd. 468000 ordinary shares

Shanghai diamond needle factory 234000 yuan ordinary 234000 shares

Jilin Guangfa material Trade Co., Ltd. 72540 RMB ordinary shares

Shenzhen Yanfeng trading company 70200 RMB ordinary shares

Shanghai Pharmaceuticals Holding Co.Ltd(601607) (Group) Co., Ltd. 46800 ordinary shares

Tianjin Development Zone Borui Development Co., Ltd. 35100 ordinary shares

Tianjin Committee section of Jiusan Society 23400 yuan ordinary Technology Department shares

Tianjin Bohai Chemical Group Co., Ltd. has 23400 yuan of ordinary shares in Tianjin Soda Plant

Tianjin Zhaojin System Engineering Development Co., Ltd. 23400 ordinary shares

Tianjin Jinqiang audio joint sales technical service 23400 yuan ordinary business department shares

The above shareholders are related or consistent. The company does not know whether there is a related relationship between the above shareholders and whether they are persons acting in concert.

Description of action description of the top 10 shareholders and the top 10 non tradable shareholders’ participation in margin trading and non refinancing business (if any)

2、 Corrected content:

Shareholder Information

(1) Total number of ordinary shareholders, number of preferred shareholders with voting rights restored and shareholding of the top ten shareholders

Unit: shares

Total number of common shareholders at the end of the reporting period 41570 total number of preferred shares with voting rights restored at the end of the reporting period (if any)

Shareholding of top 10 shareholders

Pledge, mark or shareholding ratio Holding Limited freezing shareholder name shareholder nature shareholding number example (%) conditional shares

Number of shares number of shares status

Tianjin Haitai Holding Group Co., Ltd. has a legal person 15693876824.29 0 No 0 company

Tianjin Huayuan Real Estate Co., Ltd. state owned legal person 317301644.91 0 none 0

Li Luchao domestic natural person 99903001.55 0 unknown 0

Chen Yuehua domestic natural person Shanghai Pudong Development Bank Co.Ltd(600000) 00.95 0 unknown 0

Natural person in sun Wanru 50674000.80 0 unknown 0

Shanghai Yingshui Investment Management Co., Ltd. is non-state-owned in the territory

Company – Yingshui Jubao No. 18 private placement certificate legal person 48040490.76 0 unknown 0 bond investment fund non state owned within the territory of China Agricultural Bank Of China Limited(601288) Co., Ltd

Division – China Securities 500 index growth Corporation 41184000.65 0 unknown 0 Strong Securities Investment Fund

Chen Xiongsheng domestic natural person 40000000.63 0 unknown 0

Guosen Securities Co.Ltd(002736) – domestic non-state owned

China Securities 500 index intelligent selective growth legal person 33436000.53 0 unknown 0 Strong Securities Investment Fund

Zhou Yunhua natural person 28080000.44 0 unknown 0

Shareholding of the top 10 shareholders with unlimited sales conditions

Name of shareholder number of tradable shares with unlimited sales conditions type and quantity of shares

Number of shares

Tianjin Haitai Holding Group Co., Ltd. 156938768 ordinary shares

Tianjin Huayuan Real Estate Co., Ltd. 3173064 RMB ordinary,

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