Enclosed herewith are the resignation details & letter of Company Secretary & Compliance Officer effective from close of business hour on August 08, 2026.

Date: 08th August, 2026 To, To, Department of Corporate Services The Secretary BSE Limited The Calcutta Stock Exchange Limited P.J. Towers, Dalal Street 7, Lyons Range, Dalhousie Mumbai- 400 001 Kolkata- 700 001 Scrip Code: 533285 Scrip Code: 28393 Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligation and Disclosure Requirements) Regulations, 2015- Resignation of Company Secretary & Compliance Officer Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that Mr. Aman Sisodia, Company Secretary and Compliance Officer of the Company has tendered his resignation from the position of Company Secretary & Compliance Officer, with effect from the close of business hours on 08th August, 2026. Consequently, Mr. Aman Sisodia shall cease to be a Key Managerial Personnel of the Company in terms of Section 203 and other applicable provisions, if any, of the Companies Act, 2013 and Regulation 30(5) of the SEBI (Listing Obligations and Disclosures Requirements) Regulations, for the purpose of determining materiality of events or transactions requiring disclosure to the Stock Exchange, with effect from the close of business hours on 08th August, 2026. Further, Mr. Aman Sisodia shall also cease to act as the Nodal Officer of the Company, with effect from the close of business hours on 08th August, 2026. The details required along with brief profile under Regulation 30 of the Listing Regulations read with SEBI Master Circular bearing Ref. No. HO/49/ 14/ 14(7)2025-CFD-POD2/1/ 3762/ 2026 dated January 30, 2026 is given in the enclosed Annexure - I. The letter of resignation received from Mr. Aman Sisodia is enclosed herewith as an Annexure- II. Further, in his letter, he had confirmed that there is no other material reason for his resignation other than those mentioned in his resignation letter. This is for your information and record. Thanking You, For RDB Infrastructure and Power Limited (Formerly Known as RDB Realty & Infrastructure Limited) Shubham Vaidya Managing Director Encl: As above Annexure-I Information as required under Regulation 30 read with Para A(7B) of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and SEBI Master Circular bearing Ref. No. HO/49/ 14/ 14(7)2025-CFD-POD2/1/ 3762/ 2026 dated January 30, 2026 Sr. Details of events that need to be Information of such event(s) No. provided 1 Reason for change viz. appointment, Resignation of Mr. Aman Sisodia from the position of re-appointment, resignation, removal, Company Secretary & Compliance Officer of the death or otherwise Company due to personal reasons. 2 Date of appointment/ reappointment/ With effect from close of business hours on 08th cessation (as applicable) & term of August, 2026 appointment/ re-appointment 3 Brief Profile (in case of appointment) Not applicable 4 Disclosure of relationships between Not applicable Directors (in case of appointment of a director)