NOTICE OF ANNUAL GENERAL MEETING

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this notice.CALB Group Co. Ltd.中创新航科技集团股份有限公司 (A joint stock company incorporated in the People’s Republic of China with limited liability) (Stock Code: 3931) NOTICE OF ANNUAL GENERAL MEETING A NOTICE IS HEREBY GIVEN THAT the annual general meeting (the “AGM”) of CALB Group Co. Ltd. (the “Company”) will be held at 2:00 p.m. on Friday June 28 2024 at Conference Room VIP1 CALB Group Co. Ltd. No. 1 Jiangdong Avenue Jintan District Changzhou People’s Republic of China at which the following resolutions will be considered and approved: ORDINARY RESOLUTIONS 1. The proposal regarding the report of the board of directors of the Company (the “Board”) for the year of 2023 2. The proposal regarding the report of the supervisory committee of the Company for the year of 2023 3. The proposal regarding the audited consolidated financial statements and auditor’s report of the Company for the year ended December 31 2023 4. The proposal regarding the annual report of the Company for the year of 2023 5. The proposal regarding the re-appointment of domestic auditor of the Company for the year of 2024 6. The proposal regarding the re-appointment of auditor for H shares of the Company for the year of 2024 By order of the Board CALB Group Co. Ltd.Liu Jingyu Chairwoman of the Board executive Director and president Changzhou PRC June 7 2024 As at the date of this notice the Board comprises Ms. Liu Jingyu and Mr. Dai Ying as executive directors Mr. Zhou Sheng Mr. Zhang Guoqing and Mr. Li Yunxiang as non-executive directors Mr. Wu Guangquan Mr. Wang Susheng and Mr. Chen Zetong as independent non-executive directors.– 1 –Notes: 1. For the purpose of determining the entitlement of the shareholders of the Company to attend and vote at the AGM the H Shares register of members of the Company will be closed from Tuesday June 25 2024 to Friday June 28 2024 (both days inclusive) during which period no transfer of shares will be registered. To be eligible to attend and vote at the AGM all transfer documents accompanied by the relevant share certificates must be lodged with the Company’s H Share registrar Tricor Investor Services Limited at 17/F Far East Finance Centre 16 Harcourt Road Hong Kong not later than 4:30 p.m. on Monday June 24 2024. 2. Any member entitled to attend and vote at the meeting convened by the above notice is entitled to appoint one or more proxies to attend and vote in his/her stead. A proxy need not be a member of the Company. If more than one proxy is appointed the appointment shall specify the number of shares in respect of which each such proxy is appointed. 3. Form of proxy together with the power of attorney or other authority if any under which it is signed or a notarially certified copy of such power or authority must be lodged with the Company’s H Share registrar Tricor Investor Services Limited at 17/F Far East Finance Centre 16 Harcourt Road Hong Kong not later than 24 hours before the time fixed for holding the AGM (i.e. before 2:00 p.m. on Thursday June 27 2024) or any adjournment(s) thereof. Completion and return of the form of proxy will not preclude a member from attending and voting in person at the AGM or any adjournment(s) thereof (as the case may be) should he/she so wishes and in such event the form of proxy shall be deemed to be revoked. 4. Pursuant to Rule 13.39(4) of the Listing Rules the resolutions set out above will be voted by poll. Where the chairperson of the Company in good faith decides to allow a resolution which relates purely to a procedural or administrative matter to be voted such resolution will be decided by a show of hands. 5. Where there are joint holders of any share of the Company (the “Share”) any one of such joint holder may vote either in person or by proxy in respect of such Share as if he/she were solely entitled thereto but if more than one of such joint holders is present at the AGM the vote of the senior who tenders a vote whether in person or by proxy shall be accepted to the exclusion of the votes of the other joint holders and for this purpose seniority shall be determined by the order in which the names stand in the register in respect of the joint holding of such Share. 6. The Chinese translation of this notice is for reference only and in case of any inconsistency the English version shall prevail. 7. Unless otherwise specified capitalized terms used in this notice shall have the same meanings as those defined in the circular of the Company dated Friday June 7 2024.–2–