Please find enclosed herewith an update on the wholly owned material subsidiary of the Company.

October 16, 2026 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department The Listing Department Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot No. C/1, G Block, Dalal Street, Bandra – Kurla Complex, Bandra (East) Mumbai – 400 001 Mumbai – 400 051 BSE Scrip Code: 543413 NSE Symbol: TEGA Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Dear Sir/Madam, This is in furtherance to our earlier intimation dated April 02, 2026, submitted pursuant to Regulation 30 of the SEBI Listing Regulations, regarding the Assessment Order received by Tega McNally Minerals Limited ("TMML"), a wholly owned material subsidiary of the Company, from the Assistant Commissioner of Income Tax, Circle 1(1), Kolkata. In this regard, we wish to inform you that TMML has, vide its email dated October 16, 2026, informed the Company that it has received a favourable order from the Hon'ble Calcutta High Court in connection with a writ petition filed by it, challenging the validity and maintainability of the reassessment proceedings initiated by the Income Tax Department for Assessment Year 2017-18 for tax demand including interest amounting to Rs 13,78,92,170/- (the "Order"). The Hon'ble Calcutta High Court, vide its order dated October 14, 2026, read with rectification order dated October 15, 2026, has set aside the aforesaid reassessment proceedings initiated against TMML for Assessment Year 2017-18. The details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed herewith as Annexure - A. This disclosure will also be hosted on the Company's website viz. www.tegaindustries.com. Kindly take this intimation on your record. Thanking You, Yours faithfully, For Tega Industries Limited Manjuree Rai Company Secretary & Compliance Officer Membership No. A12858 Enclosed: As stated above Annexure - A Relevant Details as required pursuant to Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Sl. Particulars Description 1. Name of the authority(s) The Hon’ble Calcutta High Court 2. Nature and details of the action(s) taken or TMML had filed a writ petition challenging the validity order(s) passed and maintainability of reassessment proceedings initiated by the Income Tax Department for Assessment Year 2017-18 pertaining to pre-NCLT period. The Hon’ble Calcutta High Court (the “Court”) gave a favourable order on 14 October 2026. Subsequently, clarified through a rectification order dated 15 October 2026, the Court directed that the reassessment proceedings be set aside. 3. Date of receipt of communication from the Order dated October 14, 2026, and subsequent authority rectification Order dated October 15, 2026. 4. Details of the violation(s)/contravention(s) Not Applicable. committed or alleged to be committed. 5. Impact on financial, operation or other None. activities of the listed entity, quantifiable in monetary terms to the extent possible The Order is favourable to TMML and is expected to support its position in relation to similar matters.