Goa Carbon Limited has informed the Exchange regarding the further Rectification Order received from the Income Tax Department in respect of Assessment Year 2010-11.

Goa thou,. Limited 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.: 20261k7 21St 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 Kurla Complex, 25th Floor, P. J. Towers, Dalal Street, Bandra (East), Mumbai 400001 Mumbai 400051 Subject: Disclosure of material events I information under Regulations 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sirs, In furtherance to its disclosure dated 27.08.2026, Goa Carbon Limited ("the Company") wishes to inform you of the Rectification Order dated 08.10.2026 passed by the Deputy Commissioner of Income Tax, Circle-1(1), Panaji, Goa under Section 154 of the Income-tax Act, 1961 ("the Act") in respect of the Assessment Year 2010-11, which was received by the Company on 20.10.2026 at around 16:58 hours. The Company had challenged Order Giving Effect dated 20.11.2025 ("Order dated 20.11.2025"), by filing Writ Petition (L) No. 485 of 2026 before the Hon'ble Bombay High Court, Goa Bench, insofar as the Order dated 20.11.2025 granted a refund of Rs. 76,15,436/- for Assessment Year 2010-11 but did not grant the statutory interest and additional interest payable under Section 244A of the Act. During the pendency of the aforementioned Writ Petition, the Deputy Commissioner of Income Tax, Circle-1(1), Panaji, passed the Rectification Order dated 10.07.2026, rectifying the Order dated 20.11.2025 to grant interest under Section 244A of the Act and determining a further refund of Rs. 1,20,44,555/- as payable to the Company. Thereafter, the Company submitted a representation seeking grant of additional interest for Assessment Year 2010-11. Pursuant thereto, the Deputy Commissioner of Income Tax, Circle-1(1), Panaji, passed a further Rectification Order dated 08.10.2026, rectifying the Rectification Order dated 10.07.2026 to grant additional interest to the Company and determining a further refund of Rs. 22,22,305/- as payable. In light of the Rectification Orders dated 10.07.2026 and 08.10.2026, the Company is evaluating the appropriate course of action in respect of the Writ Petition (L) No. 485 of 2026 pending before the Hon'ble Bombay High Court, Goa Bench. Kindly consider the same for your records. 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 c, t i) Fax: 2860364 E-mail: head_works@goacarbon.com ISO 0001:m5 ISQ 14001:2015 PARADEEP : Tel 07894462761, 09238110372 BUREAU VERITAS V BUREAU VERITAS V UKAS UKAS E-mail:pclvpster@gmail.com Certification MA MN UA MG SE .. certioaition,., MA SN tA SG Uf BILASPUR : Tei: +91 (07752) 261220, 650720 0008 0008 P,v• +01 M77;91(cid:9) hen6lrin.ont-hr,r, r.nrr,