Updates

18th September, 2026 The Manager, The General Manager, Listing Department, Department of Corporate Services, National Stock Exchange of India Ltd, BSE Ltd., Exchange Plaza, 1st Floor, New Trading Ring, Plot No. – C – 1, G Block, Rotunda Building, Bandra – Kurla Complex, P.J. Towers, Bandra (East), Dalal Street, Fort, Mumbai – 400051 Mumbai – 400001 NSE Code – PCBL BSE Code – 506590 Dear Sir, Sub:- Disclosure under Regulations 30 and 51 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) – ESG Rating Pursuant to Regulations 30 and 51 of the SEBI Listing Regulations read with SEBI Master Circular bearing Reference No. HO/49/14/14(7)2025‑CFD‑POD2/I/3762/2026 dated 30th January, 2026, we wish to inform you that Niche99 ESG Ratings has voluntarily assigned the Company the rating of 68.86 with further categorization as ‘Leader’ based on the disclosures and data available in public domain. Please be informed that the Company has not engaged Niche99 ESG Ratings for the evaluation or issuance of its ESG Rating. The report prepared by Niche99 ESG Ratings has been developed independently. This disclosure is based on the email intimation received from BSE Limited on 17th September, 2026, informing that Niche99 has submitted an ESG disclosure for the Company. The above information will also be available on the website of the Company at www.pcblltd.com . We request you to take the afore-mentioned information on record and oblige. Yours faithfully, For PCBL CHEMICAL LIMITED K. Mukherjee Company Secretary and Chief Legal Officer