Compliance Certificate under Reg.74(5) of SEBI(DP) Regulations, 2018

October 15, 2026 M/s. BSE Ltd M/s. National Stock Exchange of India Ltd Mumbai- 400 001 Mumbai -400 051 Scrip Code: 524816 Scrip Code: NATCOPHARM Dear Sir, Please find enclosed herewith Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026. Kindly acknowledge receipt of the same. Thanking you Yours faithfully For NATCO Pharma Limited Ch. Venkat Ramesh Company Secretary & Compliance Officer Encl. As Above. Date: 05.10.2026 The Company Secretary, Natco Pharma Limited, Natco House, Road No.2, Banjara Hills, Hyderabad – 500 034. Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026 Ref: Security Code – 524816 ISIN: INE987B01026 We hereby certify that the securities received for dematerialization have been mutilated and cancelled after due verification and the name of the depositories (National Securities Depository Limited (NSDL) and Central Depository Services (India) Limited (CDSL) has been updated in the records of company as the registered owner within 15 days of receipt of valid DRF & Share certificate of said company and the details of securities are furnished to the stock exchange(s). We request you to take this information on record and to inform Depositories(s) and Stock Exchange(s) wherever your securities are listed accordingly. Thanking you, Yours faithfully, for Venture Capital and Corporate Investments Private Limited Authorized Signatory.