Updates

16th July 2026 BSE Limited 25th Floor, Phiroze Jeejeebhoy Towers Dalal Street, Stock Code: 513375 Mumbai 400 001 National Stock Exchange of India Ltd. Plot No. C/1, G Block Bandra - Kurla Complex, Bandra (E) Stock Code: CARBORUNIV Mumbai 400 051 Dear Sir/Madam, Sub: Submission of Business Responsibility and Sustainability Report Pursuant to Regulation 34(2)(f) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we submit herewith the Business Responsibility and Sustainability Report for the Financial year 2025-26 along with the Independent Assurance Report. Thanking you. Yours faithfully, For Carborundum Universal Limited Rekha Surendhiran Company Secretary Carborundum Universal Limited Annexure H BUSINESS RESPONSIBILITY & SUSTAINABILITY REPORTING [Pursuant to Regulation 34(2)(f) of Listing Regulations] SECTION A: GENERAL DISCLOSURES I. Details of the listed entity 1. Corporate Identity Number (CIN) of the Listed Entity L29224TN1954PLC000318 2. Name of the Listed Entity Carborundum Universal Limited 3. Year of incorporation 1954 4. Registered office address ‘Dare House’, No.234, N.S.C.Bose Road, Parrys, Chennai - 600001 5. Corporate address ‘Dare House’, No.234, N.S.C.Bose Road, Parrys, Chennai - 600001 6. E-mail investorservices@cumi.murugappa.com 7. Telephone 044-30006161 8. Website https://www.cumi-murugappa.com/ 9. Financial year for which reporting is being done 2025-2026 10. Name of the Stock Exchange(s) where shares are listed BSE Limited and National Stock Exchange of India Limited 11. Paid-up Capital ₹190,492,502 12. Name and contact details (telephone, email address) of the person who may be Ms. Rekha Surendhiran, contacted in case of any queries on the BRSR report Company Secretary, 044-30006141, rekhas@cumi.murugappa.com 13. Reporting boundary - Are the disclosures under this report made on a standalone The disclosure in this report is made on a basis (i.e., only for the entity) or on a consolidated basis (i.e. for the entity and Standalone basis. all the entities which form a part of its consolidated financial statements, taken together). 14. Name of assurance provider TUV India Pvt. Ltd. 15. Type of assurance obtained BRSR Core Reasonable Assurance II. Products/services 16. Details of business activities (accounting for 90% of the turnover): S. No. Description of Main Activity Description of Business Activity % of Turnover of the entity 1. Manufacture of other non-metallic Manufacture, Sale, and Marketing of abrasives 41.87% mineral products - Abrasives for various applications including Bonded, Coated & Super Abrasives 2. Electrominerals - Abrasives Grains Manufacture, Sale, and Marketing of abrasives for various applications including Bonded, Coated 25.16% & Super Abrasives 3. Refractories & Ceramics Design and Manufacturing of Refractories, 32.97% Ceramics, Anti Corrosives and Polymers 17. Products/Services sold by the entity (accounting for 90% of the entity’s Turnover): S. No. Product/Service NIC Code % of total Turnover contributed 1. Abrasives 23993 41.87% 2. Electrominerals 0729 25.16% 3. Refractories & Ceramics 23939 32.97% III. Operations 18. Number of locations where plants and/or operations/offices of the entity are situated: Location Number of Plants Number of Offices Total National 22 10 32 International Nil Nil Nil Corporate Overview Statutory Reports Financial Statements 19. Markets served by the entity: a. Number of locations Locations Number National (No. of States) 23 States and 4 Union territories International (No. of Countries) 67 countries b. What is the contribution of exports as a percentage of the total turnover of the entity? c. A brief on types of customers Carborundum Universal Limited (CUMI) is a diversified materials science company. CUMI makes Abrasives, Fused minerals, Refractories, and Technical ceramics for application in a variety of industries including Automotive & Auto-Component OEMs, Construction, Fabrication, General Engineering, Bearings, Heavy engineering, Railways, Iron & steel, Non-ferrous, Glass, Cement, Chemicals & Petrochemicals Industry, Metals & Mining, Refractories, Material Handling, Fuel Cells, Power Transmission & Distribution. The Company serves both retail and industrial customers through multiple channels across India. The multiple channels include distributors, direct sales, and digital marketing. IV. Employees 20. Details as at the end of Financial Year: a. Employees and workers (including differently abled): S. Particulars Total (A) Male Female No. No. (B) % (B / A) No. (C) % (C / A) EMPLOYEES 1. Permanent (D) 1075 973 91% 102 9% 2. Other than Permanent (E) 0 0 0% 0 0% 3. Total employees (D + E) 1075 973 91% 102 9% WORKERS 4. Permanent (F) 1265 1241 98% 24 2% 5. Other than Permanent (G) 3744 3226 86% 518 14% 6. Total workers (F + G) 5009 4467 89% 542 11% b. Differently abled Employees and workers: S. Particulars Total (A) Male Female No. No. (B) % (B / A) No. (C) % (C / A) DIFFERENTLY ABLED EMPLOYEES 1. Permanent (D) 3 2 67% 1 33% 2. Other than Permanent (E) 0 0 0% 0 0% 3. Total differently abled employees (D + E) 3 2 67% 1 33% DIFFERENTLY ABLED WORKERS 4. Permanent (F) 1 1 100% 0 0% 5. Other than Permanent (G) 1 1 100% 0 0% 6. Total differently abled workers (F + G) 2 2 100% 0 0% *Compared to previous year one permanent employee retired during the year. 21. Participation/Inclusion/Representation of women Total (A) No. and percentage of Females No. (B) % (B/A) Board of Directors 7 1 14 Key Management Personnel 1 1 100 Annual Report 2025-26 153 Carborundum Universal Limited 22. Turnover rate for permanent employees and workers (Disclose trends for the past 3 years) FY 2025-26 FY 2024-25 FY 2023-24 Male Female Total Male Female Total Male Female Total Permanent Employees 16.4 9.0 15.7 10.4 12.2 10.6 11.34 7.64 11.04 Permanent Workers 7.25 12.7 7.4 5.4 4.7 5.4 4.18 6.25 4.21 V. Holding, Subsidiary and Associate Companies (including joint ventures) 23. (a) Names of holding / subsidiary / associate companies / joint ventures S. Name of the holding / subsidiary / Indicate whether % of shares held Does the entity indicated at No. associate companies / joint ventures (A) holding/ Subsidiary/ by listed entity column A, participate in the Associate/ Joint Venture Business Responsibility initiatives of the listed entity? (Yes/No) 1 Net Access India Limited Subsidiary 100 No 2 Southern Energy Development Subsidiary 84.76 No Corporation Limited 3 Pluss Advanced Technologies Limited Subsidiary 74.06 No 4 Sterling Abrasives Limited Subsidiary 60 No 5 CUMI (Australia) Pty Limited Subsidiary 51.22 No 6 CUMI International Limited Subsidiary 100 No 7 Volzhsky Abrasive Works Subsidiary 98.07 No 8 Foskor Zirconia (Pty) Limited Subsidiary 51 No 9 CUMI America Inc. Subsidiary 100 No 10 CUMI Middle East FZE Subsidiary 100 No 11 CUMI Abrasives & Ceramics Company Subsidiary 100 No Limited 12 CUMI Awuko Abrasives GmbH Subsidiary 100 No 13 Rhodius Abrasives GmbH Subsidiary 100 No 14 Pluss Advanced Technologies B.V., Subsidiary 74.06 No Netherlands 15 Rhodius Nederland B.V Subsidiary 100 No 16 Rhodius France S.A.R.L. Subsidiary 100 No 17 Rhodius Korea Inc. Subsidiary 100 No 18 Rhodius South America Ltd Subsidiary 100 No 19 CUMI USA Inc. Subsidiary 100 No 20 Silicon Carbide Products LLC Subsidiary 100 No 21 Ciria India Limited JV 30 No 22 Wendt (India) Limited Associate 37.5 No 23 Murugappa Morgan Thermal Ceramics JV 49 No Limited Corporate Overview Statutory Reports Financial Statements VI. CSR Details 24. (i) Whether CSR is applicable as per Section 135 of Companies Act, 2013: (Yes/No) Yes, CSR applies to the entity. (ii) Turnover (in ₹) - 30,625 Million (iii) Net worth (in ₹) - 29,096 Million VII. Transparency and Disclosures Compliances 25. Complaints/Grievances on any of the principles (Principles 1 to 9) under the National Guidelines on Responsible Business Conduct (NGRBC): Stakeholder group Grievance Redressal FY 2025-26 FY 2024-25 from whom complaint Mechanism in Place [Showing first 8,000 characters — download PDF for full document]