Certificate under SEBI (Depositories and Participants) Regulations, 2018

Date: 13th October, 2026 To, To, Listing Department Listing Department National Stock Exchange of India Limited BSE Limited (“BSE”) (“NSE”) Department of Corporate Services Exchange Plaza, C-1 Block G, Bandra Kurla Phiroze Jeejeebhoy Towers, Complex Bandra [E], Mumbai – 400051 Dalal Street, Fort, Mumbai - 400 001 NSE Scrip Symbol: PLATIND BSE Scrip Code: 544134 ISIN: INE0PT501018 ISIN: INE0PT501018 Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September, 2026. Dear Sir/ Ma’am, Please find enclosed herewith a copy of certificate issued under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, received from M/s Bigshare Services Private Limited, the Registrar & Share Transfer Agent (RTA) of the Company, for the quarter ended 30th September, 2026. Kindly acknowledge the same and take the same for records. Thanking You, Yours Faithfully, For and on behalf of Platinum Industries Limited Bhagyashree Mallawat Company Secretary and Compliance Officer M. No.: A51488 Encl.: As above. PLATINUM INDUSTRIES LIMITED CIN: L24299MH2020PLC341637 201, Ackruti Star, Pocket No. 5, Central Road, MIDC, Marol, Andheri East, Mumbai-400069, Maharashtra. Tel.: 022-69983999 / 022-69983900 | E-mail: compliance@platinumindustriesltd.com Bigshare Services Pvt. Ltd. Ref No. BSS/SE-AU-030 Date: 13/10/2026 Platinum Industries Limited INE0PT501018 201, Ackruti Star, Pocket no. 5, central road, Midc, Marol, Andheri East, Mumbai, Maharastra. PIN - 400069 Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026 Dear Sir/Madam, Ref: NSDL/CIR/II/5/2019 dated 25th January 2019 DSL/OPS/RTA/POLICY/2019/14 dated 25th January 2019. SEBI vide its letter ref no. MRD/DOP2/DSA2/OW/2019/2498/1 dated 24/01/2019. In reference to above - captioned Regulation, we hereby confirm that no dematerlisation request for equity shares of your company has received during the period from 01.07.2026 to 30.09.2026. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For Bigshare Services Pvt. Ltd., Akash Shamal Authorised Signatory CIN : U99999MH1994PTC076534 Offi ce No S6-2, 6th Floor, Pinnacle Business Park, Next to Ahura Centre, Mahakali Caves Road, Andheri (East) Mumbai - 400 093. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Ema il : info@bigshareonline.com • Website : www.bigshareonline.com