688311: Announcement on the progress of shareholders’ reduction of 1% and more than half of their shares

Securities code: 688311 securities abbreviation: Chengdu M&S Electronics Technology Co.Ltd(688311) Announcement No.: 2022-005 Chengdu M&S Electronics Technology Co.Ltd(688311) progress announcement of shareholders’ reduction of 1% and more than half of the shares

The board of directors, all directors and relevant shareholders of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear legal responsibility for the authenticity, accuracy and integrity of its contents according to law. Important content tips:

Basic information of shareholding of major shareholders

Before the implementation of the share reduction plan, Ruzhou hongshenghengda mutual strength enterprise management partnership (limited partnership) (hereinafter referred to as “hongshenghengda mutual strength”), Ruzhou hongshenghengda Jingcheng enterprise management partnership (limited partnership) (hereinafter referred to as “hongshenghengda Jingcheng”) Ruzhou hongshenghengda enterprise management partnership (limited partnership) (hereinafter referred to as “hongshenghengda”) holds 11932000 shares of Chengdu M&S Electronics Technology Co.Ltd(688311) (hereinafter referred to as “the company”, “the company” and ” Chengdu M&S Electronics Technology Co.Ltd(688311) “), accounting for 10.41% of the total share capital of the company. The above shares are obtained before the initial public offering of the company, It will be listed and circulated on August 2, 2021.

Progress of share reduction plan

On August 21, 2021, the company disclosed the announcement on the share reduction plan of Chengdu M&S Electronics Technology Co.Ltd(688311) shareholders and directors, supervisors and senior executives (Announcement No.: 2021-022). Hongshenghengda mutual strength and its concerted actors hongshenghengda Jingcheng and hongshenghengda plan to reduce their total holdings of no more than 1193200 shares of the company through centralized bidding and block trading.

On November 5, 2021, the company received the notification letter on the progress of holding Chengdu M&S Electronics Technology Co.Ltd(688311) shares issued by hongshenghengda mutual strength and its concerted actors. From October 11, 2021 to November 5, 2021, hongshenghengda mutual strength and its concerted actors reduced 1146700 shares of the company through block transactions, accounting for 1.00% of the total share capital of the company.

On November 19, 2021, the company received the notification letter on the progress of reduction of Chengdu M&S Electronics Technology Co.Ltd(688311) shares issued by hongshenghengda mutual strength and its persons acting in concert, on November 10, 2021

By November 19, 2021, hongshenghengda mutual strength and its persons acting in concert will conduct competitive trading and block trading

A total of 1212163 shares of the company were reduced, accounting for 1.06% of the total share capital of the company.

On December 6, 2021, the company received the notice on holding

Notice on the progress of reduction of Chengdu M&S Electronics Technology Co.Ltd(688311) shares, November 22, 2021 to

On December 6, 2021, hongshenghengda mutual strength and its persons acting in concert through bidding transaction and block transaction

1152348 shares of the company were reduced, accounting for 1.00% of the total share capital of the company.

On December 22, 2021, the company received the letter of approval issued by Hongsheng Hengda mutual strength and its persons acting in concert

Notice on progress of reduction of Chengdu M&S Electronics Technology Co.Ltd(688311) shares, December 7, 2021

By December 22, 2021, hongshenghengda mutual strength and its persons acting in concert will conduct competitive trading and block trading

A total of 1267900 shares of the company were reduced, accounting for 1.11% of the total share capital of the company.

On February 16, 2022, the company received the notice on holding

Notice on the progress of reduction of Chengdu M&S Electronics Technology Co.Ltd(688311) shares, December 23, 2021 to

On February 16, 2022, hongshenghengda mutual strength and its persons acting in concert through bidding transaction and block transaction

1214400 shares of the company were reduced, accounting for 1.06% of the total share capital of the company.

The number of shares reduced in this reduction plan has exceeded half, and the reduction plan has not been implemented yet.

After this equity change, hongshenghengda and its concerted actors hongshenghengda and hongshenghengda sincerely cooperate

The company holds 5938489 shares, and the proportion of shares held will be reduced from 6.24% to 5.18%.

1、 Basic information of the reducing entity before the reduction

Shareholder name shareholder identity shareholding number (shares) shareholding proportion current shareholding source

Hongshenghengda, more than 5% non first 11932000, 10.41% obtained before IPO: 11932000 shares of major shareholders of hongshenghengda

Sincerity, Hongsheng, Hengda and mutual strength

There are persons acting in concert with the above reduction subjects:

Name of shareholders number of shares (shares) shareholding ratio concerted action relationship formation reasons

Group I Hongsheng Hengda, Hongsheng 11932000 10.41% Hongsheng Hengda, Hongsheng Hengda Jingcheng, Hengda Jingcheng, Hongsheng Hongsheng Hengda mutual strength execution affairs Cooperation

Hengda mutual strength partners are joint-stock of Chengdu financial holding Hong

Right Investment Management Co., Ltd

Total 11932000 10.41% –

2、 Implementation progress of share reduction plan

(I) major shareholders and directors, supervisors and senior executives disclose the implementation progress of the reduction plan for the following reasons:

Other reasons: more than half of the shares reduced

Number of shares held by shareholders during the current period (amount of share reduction) (RMB yuan)

Hongshengheng 5993511 5.23% 2021 / 10 / 11 centralized bidding delivery 56.05 – 431301138.38 5938489 5.18% Da, Hongsheng ~ 2022 / 2 / 16 Yi, bulk delivery 80.40

Hengda Jingyi

Honesty, Hongsheng, Hengda and mutual strength

(II) whether the reduction is consistent with the plans and commitments previously disclosed by major shareholders or directors, supervisors and senior executives

√ yes □ no

(III) whether the listed company has disclosed major issues such as high transfer or planning merger and reorganization within the reduction time period

□ yes √ no

(IV) impact of this reduction on the company

The implementation of this share reduction plan is the share reduction carried out by the company’s shareholders according to their own needs, which will not lead to the control of the company

The change of shareholders will not have a significant impact on the corporate governance structure and sustainable operation.

(V) other matters required by Shanghai Stock Exchange

nothing

3、 Changes in equity this time

Name 1 Ruzhou Hongsheng Hengda enterprise management partnership (limited partnership)

Registered address: 5th floor, Meishan sub district office, northeast corner, intersection of Xiangyang Road and Yong’an street, Ruzhou City

505-7

Name 2 Ruzhou Hongsheng Hengda Jingcheng enterprise management partnership (limited partnership)

Information: registered address: 5th floor, Meishan sub district office, northeast corner, intersection of Xiangyang Road and Yong’an street, Ruzhou City

Disclosure obligations 505-6

Name of person 3 Ruzhou Hongsheng Hengda mutual strength enterprise management partnership (limited partnership)

Registered address: 5th floor, Meishan sub district office, northeast corner, intersection of Xiangyang Road and Yong’an street, Ruzhou City

505-5

Changes in equity from December 23, 2021 to February 16, 2022

time

Name of shareholder change party change date share type reduction number of shares reduction ratio

Type (share) cases (%)

Hongshenghengda bulk delivery 2021.12.23 – RMB 592300.52

Equity change jingchengyi 2022.02.16 common stock

Dynamic details hongshenghengda bulk delivery 2021.12.24 – RMB 563700 0.49

Mutual strong easy 2022.01.20 common stock

Hongshenghengda bidding delivery 2021.12.23 – RMB 58400 0.05

Ordinary shares of Yi on December 31, 2021

Total / / 1214400 1.06

remarks:

1. All the shares involved in this equity change enjoy voting rights, and there are no restrictions on the transfer of voting rights, such as delegation or restriction of voting rights.

2. This change does not violate the securities law, the measures for the administration of the acquisition of listed companies and other laws and regulations, the business rules of Shanghai Stock Exchange and other relevant provisions and relevant commitments.

3. The discrepancy between the total number and the mantissa of the sum of the sub item values is caused by rounding.

4、 After this equity change, the information disclosure obligor holds shares of the company

Shares held before this equity change shares held after this equity change

Shareholder name share nature number of shares (shares) in total shares of the company proportion of shares (shares) in total share capital of the company (%)

Hongshenghengda holds 2386400 2.08 1794100 1.56 shares in total, including 2386400 2.08 1794100 1.56 tradable shares with unlimited sales terms

Hongshenghengda holds 3612400 shares in total 3.15 3048700 2.66

Mutual strength, including 3612400 3.15 3048700 2.66 tradable shares

Total shares held 1154089 1.01 1095689 0.96 hongshenghengda, including: unlimited sales

Tradable shares 1154089 1.01 1095689 0.96

Total 7152889 6.24 5938489 5.18

Note: the discrepancy between the total and the mantissa of the sum of the sub item values is caused by rounding. 5、 Relevant risk tips (I) uncertainty risk of the implementation of the reduction plan

The implementation of this reduction plan is the reduction carried out by the company’s shareholders according to their own needs. During the reduction period, the shareholders choose whether to continue to implement and how to implement the reduction plan according to market conditions, the company’s stock price and other factors. There are uncertainties in the number, time and price of reduction. Please pay attention to the investment risks. (II) whether the implementation of the share reduction plan will lead to the risk of change in the control of the listed company □ yes √ no (III) other risks

As of the date of disclosure of this announcement, the implementation of this share reduction plan has not been completed. The company will continue to pay attention to the progress of the implementation of shareholders’ share reduction plan, and timely fulfill the obligation of information disclosure in accordance with the provisions of relevant laws and regulations. It is hereby announced.

Chengdu Chengdu M&S Electronics Technology Co.Ltd(688311) technology unit

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