Disclosure w.r.t. order passed by GST Authority

Date: 26th October, 2026 Listing Department, Bombay Stock Exchange Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai- 400 001. BSE Scrip Code: 526133 Ref: Disclosure of events as per Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Sub: Disclosure w.r.t. order passed by GST Authority Dear Sir/ Madam, Pursuant to the provisions of Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has received order from the Additional Commissioner, Central GST & Central Excise Commissionerate, Surat. The Company is reviewing the Order and will be contesting the demands. The information/disclosure as required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025-CFDPOD2/3762/2026 dated January 30, 2026, is enclosed herewith in Annexure-A. Kindly take the same on your records. Thanking you Yours faithfully, For Supertex Industries Limited Sanjay Kumar Mishra Director & CFO DIN:00304796 Encl: as above Annexure-A Disclosure of information pursuant to Regulation 30 of Listing Regulations, read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/1/3762/2026 dated January 30, 2026 are as under; Order passed by the Gst Authority Sr Particulars Details of Information 1. Name of the Authority Additional Commissioner, Central GST & Central Excise Commissionerate, Surat. 2. Nature and details of the Order in Original passed confirming actions(s) taken, initiated or demand proposed in Show Cause Notice. order(s) passed by the authority 3. Date and Time of receipt of 25th October, 2026 direction or order, including any ad-interim or interim orders, or any other communication from the authoriy 4. Details of the violation(s)/ Availment of ineligible ITC contravention(s) committed or alleged to be committed 5. Impact on financial, operation or Tax of Rs. 9,20,07,065/-plus interest and other activities of the listed penalty of Rs. 9,20,07,065/- entity, quantifiable in monetary terms to the extent possible Kindly take the same on your records. Thanking You Yours faithfully, For Supertex Industries Limited Sanjay Kumar Mishra Director & CFO DIN:00304796