General Updates

oa arbon(cid:9) ited Registered & Corporate Office: Dempo House, Campal, Panjim - Goa - 403 001., INDIA. Tel.. +91 (0832) 2441300 Fax: +91 (0832) 2427192 E-mail: goacarbon@gmail.corn Website: www.goacarbon.com Corporate Identity Number - L23109GA1967PLC000076 COMPANY'S SCRIP CODE / SYMBOL: 509567 / GOACARBON(cid:9) ISIN: INE426D01013 (cid:9) Ref. No.: 20261XI\4 5th November 2026 The General Manager The Listing Department Department of Corporate Services National Stock Exchange of India Ltd., ... Thru' NEAPS BSE Limited, (cid:9) Thru' Listing Centre Exchange Plaza, Bandra Kurla Complex, 25th Floor, P. J. Towers, Dalal Street, Bandra (East), Mumbai 400001 Mumbai 400051 Subject: Intimation of amendment in the Policy for Determination of Materiality of Events and Information. Dear Sirs, This is to inform you that the Board of Directors of the Company at its meeting held today i.e. 5th November 2026, have amended the "Policy for Determination of Materiality of Events and Information" in line with the Securities and Exchange Board of India (Listing Obligations & Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations"). The amended Policy is being made available on the Company's website at www.qoacarbon.com Pursuant to Regulation 30(5) of SEBI Listing Regulations, the contact details of the Key Managerial Personnel authorized for the purpose of determining materiality of an event and information and for the purpose of making disclosures to Stock Exchange(s), are as follows: Name Designation Official email address Contact number Anupam Misra Executive Director anupam.misra@goacarbon.com V krant Garg CFO vikrant.garg@goacarbon.com 0832-2441300 Pravin Satardekar Company Secretary pravin@goacarbon.com Kindly take the above on record. Thanking you, Yours faithfully, For Goa Carbon Limited Pravin Satardekar Company Secretary ACS 24380 Plants GOA(cid:9) Tel.: 0832-2860363 to 68, 2860336, 2861052 Fax: 2860364 E-mail: head_works@goacarbon.com ISO 9001:2015 IISO 1400 PARADEEP(cid:9) Tel: 07894462761, 09238110372 BUREAU VERITAS BUREAU VERITAS UKAS E-mail:pclvpster@gmail.com Certification • "WsYgen Codification BILASPUR(cid:9) Tel.: +91 (07752) 261220, 650720 0008 0008 Fax: +91 (07752) 261115 E-mail: bsp@goacarbon.com