CIRCUIT FABOLOGY MICROELECTRONICS EQUIPMENT CO., LTD. 合肥芯碁微電子裝備股份有限公司 (A joint stock company incorporated in the People’s Republic of China with limited liability) （於中華人民共和國註冊成立的股份有限公司） (Stock code 股份代號：9630) 26 August 2026 Dear Non-registered Shareholder, Arrangement of Electronic Dissemination of Corporate Communications Pursuant to the Rule 2.07A ofthe Rules Governing the Listing of Securities (the “Listing Rules”) on The Stock Exchange of Hong Kong Limited (the “Stock Exchange”), Circuit Fabology Microelectronics Equipment Co., Ltd. (the “Company”) has adopted the arrangement to disseminate corporate communications (“Corporate Communications”) electronically. No printed copies of Corporate Communications will be mailed out to you except upon 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.cfmee.cn 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 its Non-registered Shareholders. The Non-registered Shareholders are encouraged to proactively monitor the availability of all future Corporate Communications on the websites and access the Website Version of Corporate Communications by themselves. The Non-registered Shareholders who wish to be notified of Corporate Communications may subscribe to the free News Alert service on the Stock Exchange’s website (www.hkexnews.hk). 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 (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 9630-ecom@vistra.com. Please note that the printed copy request will be valid until expiry at the end of each financial year of the Company unless being revoked or superseded (whichever is earlier).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 Shareholder prefers to continue receiving printed copies of future Corporate Communications. As a Non-registered Shareholder, pursuant to the Listing Rules, if you wish to receive the Actionable Corporate Communications, you should liaise with your bank(s), broker(s), custodian(s), nominee(s) or HKSCC Nominees Limited through which your shares in the Company are held (collectively, the “Intermediaries”) to make necessary and effective arrangements and provide your email address to your Intermediaries (where applicable). Should you have any queries relating to any of the above matters, please call the H Share Registrar’s hotline at (852) 2980 1333 during business hours from 9:00 a.m. to 6:00 p.m. from Monday to Friday, excluding Hong Kong public holidays or send an email to 9630-ecom@vistra.com. By Order of the Board CIRCUIT FABOLOGY MICROELECTRONICS EQUIPMENT CO., LTD. Ms. Cheng Zhuo