Certificate under SEBI (Depositories and Participants) Regulations, 2018

Registered & Corporate Office: Dempo House, Campal, Panjim - Goa - 403 001., INDIA. Tel.: +91 (0832) 2441300 Fax: +91 (0832) 2427192 E-mail: goacarbon@gmail.com Website: www.goacarbon.com Corporate Identity Number - L23109GA1967PLC000076 COMPANY'S SCRIP CODE / SYMBOL: 509567 / GOACARBON(cid:9) ISIN: INE426D01013 (cid:9) Ref. No.: 202012 7th October 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 Kuria Complex, 25th Floor, P. J. Towers, Dalai Street, Bandra (East), Mumbai 400001 Mumbai 400051 Sub.: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026. Dear Sir(s), We hereby enclose the Confirmation Certificate dated 03.10.2026 under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026 received from MUFG Intime India Private Limited (Formerly known as Link Intime India Private Limited), Registrar and Share Transfer Agent of the Company. Request you to kindly take the above on record. Thanking you, Yours faithfully, For Goa Carbon Limited Pravin Satardekar Company Secretary ACS 24380 Encl.: as above Copy to: Central Depository Services (India) Limited National Securities Depository Limited 3rd Floor, 25th Floor, Marathon Futurex, N M Joshi Marg, Naman Chamber, Plot C-32, G-Block, Bandra Lower Parel, Mumbai — 400013 Kuria Complex, Bandra (East), Mumbai - 400051 Plants : GOA(cid:9) : Tel.: 0832-2860363 to 68, 2860336, 2861052 Fax: 2860364 E-mail: head_works@goacarbon.com PARADEEP : Tel: 07894462761, 09238110372 BUREAU VERITAS BUREAU VERITAS E-mail:pclvpster@gmail.com Certification Certification BILASPUR : Tel.: +91 (07752) 261220, 650720 0008 0008 Fax: +91 (07752) 261115 E-mail: bsp@goacarbon.com MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 03-10-2026 The Compliance Officer/ Company Secretary GOA CARBON LIMITED DEMPO HOUSE CAMPAL PANAJI GOA 403001 PINCODE : 0 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services