Please find attached RTA certificate u/r 74(5) for the QE 30th Sept 2026

CORPORATEOFFICE: R-79/83, LAXMI INSURANCE BUILDING, 5TH FLOOR, SIR P.M.ROAD, MUMBAI 400001. PHONE.: 22660300(5LINES)•FAX:22660298 EMAIL: secretarial@boimi.com WEBSITE: www.pragbosimi.com CIN NO.:L17124AS1987PLC002758 October 15th, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001. Dear Sir, Subject: Intimation about Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. Security Code No. 500192. Enclosed herewith a certificate issued M/s. MUFG InTime India Private Limited, Registrar and Share Transfer Agent of the Company under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. Kindly take on record. Thanking you, Yours faithfully, For PRAG BOSIMI SYNTHETICS LIMITED. MADHU DHAREWA COMPANY SECRETARY ACS - 31733 Central Depository Services (India) Limited National Securities Depository Limited Marathon Futurex, A-Wing, 25th floor, NM Joshi Trade World, A wing, 4th Floor, Kamala Mills Marg, Lower Parel, Mumbai 400013 Compound, Lower Parel, Mumbai - 400013 REGISTERED OFFICE: HOUSE NO. 19, AMBIKAGIRI NAGAR, MILAN PATH, R.G.BARUA ROAD, GUWAHATI-781024, ASSAM, INDIA. CORPORATEOFFICE: R-79/83, LAXMI INSURANCE BUILDING, 5TH FLOOR, SIR P.M.ROAD, MUMBAI 400001. PHONE.: 22660300(5LINES)•FAX:22660298 EMAIL: secretarial@boimi.com WEBSITE: www.pragbosimi.com CIN NO.:L17124AS1987PLC002758 Date: 15th October, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001. Dear Sir, Subject: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. Security Code No. - 500192. In compliance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, we hereby state and confirm that securities received from the depository participants for dematerialization during the quarter ended 30th Sept 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. During the Quarter the Company had received dematerialization request for 6,100 shares out of which 2,800 shares have been dematerialized and the share certificates in respect of the said shares have been cancelled by our Registrar and Share Transfer – M/s MUFG InTime India Pvt Ltd. after due verification and the names of Depositories (NSDL and CDSL) have been substituted as the registered owner within 21 days of receipt of Certificate of Security. However, request for 2,200 shares have been rejected on technical grounds and 1,100 shares are pending for process. Kindly take on record. Thanking You, Yours faithfully, For PRAG BOSIMI SYNTHETICS LTD. Madhu P. Dharewa Company Secretary ACS No.: 31733 REGISTERED OFFICE: HOUSE NO. 19, AMBIKAGIRI NAGAR, MILAN PATH, R.G.BARUA ROAD, GUWAHATI-781024, ASSAM, INDIA. MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 03-10-2026 The Compliance Officer/ Company Secretary PRAG BOSIMI SYNTHETICS LIMITED R-79/83, LAXMI INSURANCE BUILDING 5TH FLOOR, SIR P.M.ROAD, MUMBAI 400001. MUMBAI PINCODE : 400001 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services