688045: Announcement on the results of the initial public offering of shares by biyiwei and its listing on the science and Innovation Board

Shenzhen Biyi Microelectronics Co., Ltd

Announcement on the results of initial public offering and listing on the science and Innovation Board

Sponsor (lead underwriter): Shenwan Hongyuan Group Co.Ltd(000166) securities underwriting and recommendation Co., Ltd

The application of Shenzhen Biyi Microelectronics Co., Ltd. (hereinafter referred to as “Biyi”, “issuer” or “company”) for initial public offering of RMB common shares (A shares) and listing on the science and Innovation Board (hereinafter referred to as “this offering”) was examined and approved by the members of the stock listing committee of the science and Innovation Board of Shanghai Stock Exchange on September 16, 2021, It was approved and registered by the China Securities Regulatory Commission on April 19, 2022 (zjxk [2022] No. 819). The sponsor (lead underwriter) of this offering is Shenwan Hongyuan Group Co.Ltd(000166) securities underwriting sponsor Co., Ltd. (hereinafter referred to as ” Shenwan Hongyuan Group Co.Ltd(000166) underwriting sponsor” or “sponsor (lead underwriter)”). The issuer’s stock is abbreviated as “Biyi micro”, the expansion is abbreviated as “Biyi micro electronics”, and the stock code is “688045”.

This offering is conducted by a combination of directional placement to strategic investors (hereinafter referred to as “strategic placement”), offline inquiry placement to qualified investors (hereinafter referred to as “offline issuance”) and online pricing issuance to social public investors holding the market value of non restricted A-Shares and non restricted depositary receipts in Shanghai market (hereinafter referred to as “online issuance”).

According to the preliminary inquiry results, the issuer and the lead underwriter negotiated and determined that the price of this stock issuance is 55.15 yuan / share and the number of shares issued is 17262300 shares, all of which are public new shares issuance, and the shareholders of the company will not offer shares publicly, based on the issuer’s fundamentals, market conditions, industry, valuation level of Listed Companies in the same industry, demand for raised funds, underwriting risk and other factors.

The initial number of strategic allotments issued in this offering was 25893450 shares, accounting for 15% of this offering. The subscription funds promised by the strategic investors and the brokerage commission for the placement of new shares have been fully remitted to the bank account designated by the lead underwriter within the specified time. The final number of strategic allotments in this issuance is 1952160 shares, accounting for 11.31% of the total number of issuance. The difference between the initial number of strategic allotments and the final number of strategic allotments is 637185 shares, which will be transferred back to offline issuance.

After the adjustment of strategic placement and before the launch of online and offline call back mechanism, the number of offline issuance was adjusted to 109086400 shares, accounting for 71.25% of the number issued after deducting the final strategic placement; The number of shares issued online was 4.415 million, accounting for 28.75% of the number issued after deducting the final strategic placement.

According to the callback mechanism announced in the announcement of Shenzhen Biyi Microelectronics Co., Ltd. on initial public offering and listing on the science and Innovation Board (hereinafter referred to as the “issuance announcement”), since the initial effective subscription multiple on the Internet is 345383 times, higher than 100 times, the issuer and the sponsor (lead underwriter) decided to start the callback mechanism, After deducting the whole number of shares issued online from 153500% to 153500% of the total number of shares issued online.

After the online and offline call back mechanism was launched, the final number of shares issued offline was 9377140, accounting for 61.25% of the number issued after deducting the final number of strategic placements and 54.32% of the total number of shares issued this time; The final number of shares issued online was 5.933 million, accounting for 38.75% of the number issued after deducting the final strategic placement and 34.37% of the total number of shares issued this time. After the callback mechanism was launched, the final winning rate of online issuance was 003902767%.

The online and offline subscription and payment work of this offering has been completed on May 19, 2022 (T + 2).

1、 Statistics of new share subscription

The sponsor (lead underwriter) made statistics on the subscription of new shares issued online and offline in this strategic placement according to the payment of strategic investors and the data provided by Shanghai Stock Exchange and China Securities Depository and Clearing Co., Ltd. Shanghai Branch (hereinafter referred to as “China Securities Depository and Clearing Co., Ltd.”), and the results are as follows:

(I) strategic placement

In this offering, the selection of strategic placement investors is comprehensively determined after considering the investor qualification and market conditions. It is Shenyin Wanguo innovation Securities Investment Co., Ltd. (an alternative investment subsidiary established by the parent company of the sponsor participating in the follow-up investment, hereinafter referred to as “Shenwan innovation investment”) The senior management and core employees of the issuer participated in the special asset management plan established by this strategic placement: Shenwan Hongyuan Group Co.Ltd(000166) Biyi micro Kechuang board strategic placement No. 1 collective asset management plan (hereinafter referred to as “Biyi micro Kechuang board strategic placement No. 1”).

The subscription results of strategic investors are as follows:

Number of allocated shares

The proportion of shares allotted to investors in the amount allotted this time, the number of new shares allotted, the number of name types (10000 lines) (yuan) total brokerage commission (yuan) shares sold) (yuan) period (%)

Shenwanchuang recommendation institution phase 24 1 new investment related subsidiary 725294 4.203999996410 – 3999996410 months

Issuer’s high

Biyi micro management personnel

Kechuang board and key employees 122 strategically participated in the war 1226866 7.1167661659903383083067996820 strategic placement of special assets for the first month of establishment

management plan

Total – 195216011.3110766162400338308 Shaoyang Victor Hydraulics Co.Ltd(301079) 99230-

(II) online subscription of new shares

1. Number of shares subscribed by online investors: 5840919 shares;

2. Subscription amount paid by online investors: 32212668285 yuan;

3. Number of online investors giving up subscription: 92081 shares;

4. Subscription amount waived by online investors: 507826715 yuan.

(III) offline subscription of new shares

1. Number of shares subscribed by offline investors: 9377140 shares;

2. Subscription amount paid by offline investors: 51714927100 yuan;

3. Number of offline investors giving up subscription: 0 shares;

4. Subscription amount waived by offline investors: 0 yuan;

5. The brokerage commission for the placement of new shares paid by offline investors is 258574598 yuan. 2、 Offline placement lottery results

The issuer and the recommendation institution (lead underwriter) conducted the lottery of the online lower limit sales account of this offering in the lottery hall on the second floor of building 203, Shangbu Industrial Zone, Hongli West Road, Futian District, Shenzhen on the morning of May 20, 2022 (T + 3) in accordance with the announcement of biyiwei’s initial public offering and listing on the science and innovation board. The lottery ceremony was conducted in accordance with the principles of openness, fairness and impartiality. The process and results of the lottery have been notarized by Shenzhen Luohu notary office.

The winning results are as follows:

Last digit winning lot number

Last “1” digit 6

Securities investment funds and other partial stock asset management plans (including public offering products established to meet the investment needs of investors who do not meet the appropriateness requirements of investors on the science and Innovation Board), basic endowment insurance funds, national social security funds, enterprise annuity funds established in accordance with the measures for the administration of enterprise annuity funds If the mantissa of the subscription allotment number held by the placement objects such as insurance funds and QFII funds that meet the relevant provisions of the measures for the administration of the use of insurance funds is the same as the above number, it is the winning number.

A total of 1778 accounts participated in the offline placement and lottery in this issuance, and the number of accounts corresponding to 10% of the final allocated accounts (rounded up) is 178. According to the lottery results, all the winning accounts have obtained the shares for this placement, and the sales restriction period is 6 months. The number of shares corresponding to this part of the account is 663467 shares, accounting for 7.08% of the total offline issuance and 4.33% of the total public offering after deducting the final strategic placement.

Please refer to the “attached table: table of lottery results of offline placement” for the specific conditions of the placing objects who won the lottery in this offline lottery. 3、 Underwriting by the recommendation institution (lead underwriter)

The number of shares abandoned by online and offline investors is underwritten by the sponsor (lead underwriter). The total number of underwritten shares is 92081 shares, and the underwritten amount is 507826715 yuan. The number of underwritten shares accounts for 0.60% of the issued number after deducting the final strategic distribution, and the number of underwritten shares accounts for 0.53% of the total issued number.

On May 23, 2022 (T + 4), the sponsor (lead underwriter) will transfer the underwriting funds together with the funds paid and subscribed by strategic investors and online and offline investors after deducting the sponsor underwriting fee and new share placement brokerage commission to the issuer. The issuer will submit an application for share registration to China clearing Shanghai branch and register the underwriting shares to the securities account designated by the sponsor (lead underwriter). 3、 Contact information of sponsor (lead underwriter)

If online and offline investors have any questions about the issuance results published in this announcement, please contact the sponsor (lead underwriter) of this issuance. The specific contact information is as follows:

Sponsor (lead underwriter): Shenwan Hongyuan Group Co.Ltd(000166) securities underwriting and recommendation Co., Ltd

Contact: capital market department

Tel: 01088085885, 01088085943

Issuer: sponsor (lead underwriter) of Shenzhen Biyi Microelectronics Co., Ltd.: Shenwan Hongyuan Group Co.Ltd(000166) securities underwriting sponsor Co., Ltd. May 23, 2022

2022 5 23

(there is no text on this page, which is the seal page of the announcement on the results of Shenzhen Biyi Microelectronics Co., Ltd. initial public offering and listing on the science and Innovation Board)

2022 5 23

Attached table: lottery results of offline placement

No. name of offline investor name of placing object name of placing object account placing quantity restriction period (shares) (month)

1. ICBC Credit Suisse Fund Management Co., Ltd. ICBC Credit Suisse Tianxiang mixed pension product b8807608033939 6

2 Taikang Asset Management Co., Ltd. State Grid Zhejiang electric power company enterprise annuity plan b8810606203939 6

3 Taikang Asset Management Co., Ltd. Taikang Life Insurance Co., Ltd. – Universal – group universal b8810641743939 6

4 The People’S Insurance Company (Group) Of China Limited(601319)

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