/Shengbang Shares: H Share Announcement-Letter to Non-Registered Shareholders-Arrangements for the Electronic Release of Corporate Communications
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4d ago

Shengbang Shares: H Share Announcement-Letter to Non-Registered Shareholders-Arrangements for the Electronic Release of Corporate Communications

Shenzhen Stock Exchange
2026/09/04

SG Micro Corp

Shengbang Microelectronics (Beijing) Co., Ltd.

(A joint stock company incorporated in the People’s Republic of China with limited liability)

(a joint stock limited company incorporated in the People's Republic of China)

(Stock Code: 3661)

4 September 2026 Dear Non-Registered Holder (1),

Arrangement of Electronic Dissemination of Corporate Communications

Pursuant to Rule 2.07A of the Rules Governing the Listing of Securities (the “Listing Rules”) on The Stock Exchange of Hong Kong Limited (the “Stock Exchange”), SG Micro Corp (the “Company”) has adopted arrangement to disseminate corporate communications (“Corporate Communications” (2)) electronically. No printed copies of Corporate Communications will be mailed out to you except by request. Please note that both the English and Chinese versions of all future Corporate Communications will be available electronically on the website of the Company at www.sg-micro.com and the website of the Stock Exchange at www.hkexnews.hk (the “Website Version”) in place of printed copies.

The Company will not send a notice of publication of the Website Version of Corporate Communications to you.

We encourage you to access Corporate Communications of the Company in electronic form on the Company’s website. If you wish to receive printed copies of all future Corporate Communications, please complete and return the Request Form on the reverse side of this letter to the Company’s H share registrar and transfer office (the “H Share Registrar”), Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or send an email to [email protected]. Please note that the hardcopy request will be valid until expired at the end of each financial year of the Company unless being revoked or superseded (whichever is earlier). Further request in writing will be required if a non-registered holder prefers to continue receiving hard copies of future Corporate Communications.

Should you have any queries relating to any of the above matters, please call the H Share Registrar’s telephone hotline at (852) 2980 1333 during business hours from 9:00 a.m. to 6:00 p.m. from Monday to Friday, excluding public holidays or send an email to [email protected].

By order of the Board

SG Micro Corp

Zhang Shilong

Chairman of the Board, Executive Director and General Manager

Notes:

(1) This notification letter is addressed to “Non-Registered Holder”, which means such person or company whose shares are held in The Central Clearing and Settlement

System (CCASS) and who has notified the Company from time to time through Hong Kong Securities Clearing Company Limited to receive Corporate Communications.

(2) Corporate Communications include any document(s) issued or to be issued by the Company for the information or action of holders of any of its securities or the investing public, including but not limited to (a) the directors’ report and its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial

report; (b) the interim report and, where applicable, its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

Dear non-registered holders (1):

Arrangements for Electronic Dissemination of Corporate Communications

Pursuant to Rule 2.07A of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Exchange") (the "Listing Rules"), Shengbang Microelectronics (Beijing) Co., Ltd. (the "Company") has adopted arrangements for the release of all future corporate communications ("Corporate Communications" (2)) to its non-registered holders. All corporate communications, including English and Chinese versions, are provided to non-registered holders electronically through the Company's website (www.sg-micro.com) and the website of the Stock Exchange (www.hkexnews.hk) (the "Website Version") and hard copies will only be sent to individual non-registered holders upon request.

The Company will not notify you of the publication of website versions of corporate communications.

The Company encourages you to browse the Company's corporate communications in electronic form on the Company's website. If you wish to receive a printed copy of future corporate communications, please complete the application form on the reverse page of this letter and return it to the Company's H Share Registrar ("H Share Registrar") Tricor Investor Services Limited, 17th Floor, Far East Financial Centre, 16 Harcourt Road, Hong Kong or send an email to [email protected]. Please note that printed copy requirements for non-registered holders will be valid until the expiration of the Company's annual financial year end date unless revoked or superseded (whichever is earlier). If a non-registered holder wishes to continue to receive printed copies of future corporate communications, an additional written request is required.

If you have any questions about the contents of this letter, please call the telephone hotline of the Company's H Share Registrar and Transfer Office at (852) 2980 1333. The office hours are from 9:00 am to 6:00 pm from Monday to Friday (except public holidays), or email to [email protected].

By order of the board of directors

Chairman, Executive Director and General Manager of Shengbang Microelectronics (Beijing) Co., Ltd.

Zhang Shilong

September 4, 2026

P.S.:

(1) This letter is sent to the non-registered holders of the Company (referring to the persons or companies whose shares are deposited in the Central Clearing and Settlement System and who issue notifications to the Company through Hong Kong Securities Clearing Company Limited from time to time) in the hope that

receive corporate communications).

(2) Corporate communications include any document issued or to be issued by the Company for the information or action of any holder of its securities or the investing public, including but not limited to (a) the directors’ report, the company’s annual accounts together with the auditor’s report and, where applicable, the summary financial report; (b) the interim report and, where applicable, the interim summary report; (c) notices of meetings; (d) listing documents; (e) circulars; and (f) appointments of proxies.

Table table.

Non-Registered Holder’s information (English name and Address): SG Micro Corp

Non-registered holder information (English name and address): A joint stock company incorporated in the People’s Republic of China with limited liability (Stock Code: 3661)

REQUEST FORM application form

To: SG Micro Corp To: SG Microelectronics (Beijing) Co., Ltd. (Stock Code: 3661) (the “Company”) (Stock Code: 3661) (the “Company”) c/o Tricor Investor Services Limited via Tricor Securities Registration Co., Ltd.

17/F, Far East Finance Center

16 Harcourt Road, Hong Kong

16 Harcourt Road, Hong Kong

Far East Financial Center 17th Floor

REMINDER Tips

As a non-registered holder, if you wish to receive Corporate Communications (1) pursuant to the Listing Rules, you should liaise with your bank(s), broker(s), custodian(s), nominee(s) or HKSCC Nominees Limited through which your shares are held (collectively, the “Intermediaries”) and provide your email address to your Intermediaries.

As a non-registered holder, if you wish to receive corporate communications (1) under the Listing Rules, you should contact the bank, broker, custodian, agent or Hong Kong Securities Clearing Company Limited (collectively, the "Intermediary") that holds the shares on your behalf and provide your intermediary with your email address.

I/We would like to receive the future Corporate Communications (1) in printed copy of the Company.

I/We would like to request a hard copy of any future corporate communications (1) issued by our Company.

Please mark “X” in ONLY ONE of the following boxes (applicable for dissemination arrangement via printed copy):

Please mark only one (X) in the following boxes (for receipt of corporate communications in hard copy form):

to receive the printed English version ONLY for all future Corporate Communications; OR

Only receive printed English copies of all future corporate communications; or

to receive the printed Chinese version ONLY for all future Corporate Communications; OR

Only receive printed Chinese copies of all future corporate communications; or

to receive the printed English and Chinese versions of all future Corporate Communications.

Also receive printed copies of all future company communications in English and Chinese.

Signature: Date:

Signed: Date:

Name: Contact Phone Number:

Name: (English) Contact number:

(in block letters please write in block letters)

Notes

  1. Corporate Communications include any document(s) issued or to be issued by the Company for the information or action of holders of any of its securities or the investing public, including but not limited to (a) the directors’ report and its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b) the interim report and, where applicable, its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form. Corporate communications include any document issued or to be issued by the Company for the information or action of any holder of its securities or the investing public, including but not limited to (a) the Directors’ Report, the Company’s Annual Accounts

together with the auditor's report and, where applicable, the summary financial report; (b) the interim report and, where applicable, the summary interim report; (c) notice of meeting; (d) listing document; (e) circular; and (f) form of proxy.

  1. By completing and returning this Request Form, you have expressly indicated that you prefer to receive all future Corporate Communications of the Company in printed copy.

By completing and returning this application form, you confirm your intention to receive printed copies of all future corporate communications from our company.

  1. This request will be valid unless being revoked or superseded or until expired at the end of each financial year of the Company (whichever is earlier). Further request in writing will be required if you prefer to continue receiving printed copy of future Corporate Communications.

This request will remain in effect unless revoked or superseded, or until it expires on the end of each of the Company's financial years, whichever is earlier. If you wish to continue receiving hard copies of future corporate communications, you will need to make a further written request.

PERSONAL INFORMATION COLLECTION STATEMENT Personal Data Collection Statement

“Personal Data” in this statement has the same meaning as “personal data” defined in the Personal Data (Privacy) Ordinance, Cap. 486 (the “PDPO”), which may include but not limited to your name, contact telephone number, email address and mailing address.

Your supply of Personal Data is on a voluntary basis for the purpose of receiving Corporate Communications in the manner chosen. Your Personal Data will be retained for such period as may be necessary for our verification and record purposes.

You have the right to request access to and/or to correct the respective Personal Data in accordance with the provisions of the PDPO. Any such request for access to and/or correction of the Personal Data should be in writing by either of the following means:

"Personal data" referred to in this statement has the meaning of "personal data" in the Personal Data (Privacy) Ordinance, Chapter 486, Laws of Hong Kong (the "Privacy Ordinance"), including but not limited to, your name, contact telephone number, email address and postal address.

You voluntarily provide the Company with your personal information in order to receive Company communications in the manner of your choice. Your personal data will be retained for an appropriate period for verification and recording purposes.

You have the right to request access to and/or correction of your personal data in accordance with the provisions of the Privacy Ordinance. Any such request must be made in writing.

By mail to: Data Privacy Officer

Tricor Investor Services Limited Tricor Securities Registration Co., Ltd.

17/F, Far East Finance Center 16 Harcourt Road, Hong Kong

16 Harcourt Road, Hong Kong 17th Floor, Far East Financial Center

By email to: [email protected]

Via email: [email protected]

Mailing Label Please cut the mailing label and stick it on an envelope

to return this Request Form to us. Tricor Investor Services Limited No postage is necessary if posted in Hong Kong. Tricor Securities Depository Limited

When you return this application form, please cut and paste the mailing label on the envelope. Freepost No. Easy reply number: 10 GPO

If posted in Hong Kong, you do not need to pay postage or affix stamps. Hong Kong