Intimation of Resignation of Non Executive and Non- Independent Director Mr. Navin Kumar with effective closure of business hour on 31st August 2026

Ref. No.: SISLP/2026-2027/028 Date:01-09-2026 The Manager, Department of Corporate Services, BSE Limited, Phirozee Jeejeebhoy Towers, Dalal Street, Fort, Mumbai-400001 Scrip Code:543598 ISIN: INE0LU301014 Sub: Disclosure under Regulation 30 of the SEBI (LODR) Regulations, 2015 ("Listing Regulations") - Intimation of Resignation of Mr. Navin Kumar (DIN: 09366671) form the post of Non-Executive Non- Independent Director. Pursuant to the provisions of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that Mr. Navin Kumar (DIN: 09366671) has tendered his resignation from the position of Non-Executive Non-Independent Director of the Company, with effect from the closure of business hours on 31st August, 2026, due to personal reasons. Consequently, Mr. Navin Kumar shall also cease to be a member of the Audit Committee, Nomination and Remuneration Committee and Risk Management Committee, and shall cease to be the Chairman of the Stakeholders Relationship Committee of the Company. The resignation letter received from Mr. Navin Kumar (DIN: 09366671) is enclosed herewith. The information in regard to the abovementioned changes in the Board composition in terms of Regulation 30 read with Schedule III –Para A (7) of Part A of the Listing Regulations (as applicable) and SEBI Circular bearing Ref. No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 is enclosed herewith. Please take on record the above information. Thanking You, Yours faithfully, For Shantidoot Infra Services limited Anamika Singh Company Secretary and compliance officer Encl: As Above Pursuant to the SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 the details required are given us under: - Details of the Events that need to be provided Information of such event(s) Name Navin Kumar Reason for change viz. reappointment, Resignation of Mr. Navin Kumar (DIN: 09366671) resignation, removal, death or from the position of Non-Executive Non- Independent Director of the Company, with otherwise; effect from closure of business hours on 31st August, 2026. Date of appointment/re-appointment/cessation Closure of business hours on 31st August, 2026 (as applicable) & term of appointment/re- appointment; Brief profile (applicable in case of appointment Not Applicable Disclosure of relationships between directors (in Not Applicable case of appointment of a director).