Intimation regarding reaffirmation of Credit Ratings

CIN: L99999GJ1987PLC009768 Regd. Office: 9-10, GIDC Industrial Estate, Waghodia, Dist.: Vadodara, 391760 Ph.: +91 75 748 06350 | E-Mail: co_secretary@20microns.com| Website: www.20microns.com 20ML/SECY/REG-30/RATING/OCT October 30, 2026 To, To, The Secretary, Asst. Vice President, BSE Ltd. National Stock Exchange of India Ltd., 25th Floor, Exchange Plaza, Plot C/1, G Block Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Fort, Bandra (E), Mumbai - 400 001 Mumbai - 400 051 Scrip Code - 533022 Symbol - 20MICRONS Subject: Intimation regarding reaffirmation of Credit Ratings of 20 Microns Limited Ref: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir, Pursuant to Regulation 30(6) read with Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that CRISIL Ratings Limited, vide its Rating Rationale dated October 29, 2026, has reaffirmed the credit ratings assigned to the bank loan facilities of 20 Microns Limited. The aggregate rated bank loan facilities stand at ₹117 crore, unchanged from the previously rated amount. The details of the ratings are as under: Rated Amount Type of Facility Rating Remarks (₹ Crore) Long-Term Bank Facilities CRISIL A / 93.00 Rating reaffirmed (Fund Based Facilities) Stable Short-Term Bank Facilities 24.00 CRISIL A1 Rating reaffirmed (Non-Fund Based Facilities) Total rated amount Total Bank Loan Facilities 117.00 — unchanged The reaffirmation reflects the Company’s established market position and the promoters’ extensive experience in the micronized mineral industry, sound operating efficiency and healthy financial risk profile, as stated in the CRISIL Rating Rationale. You are requested to kindly take the above information on record. For 20 Microns Limited Komal Pandey Company Secretary & Compliance Officer ACS 37092 Page 1 of 1