Authorisation to the Key Managerial Personnels (KMPs) of the Company for determining the materiality of an event or information under Regulation 30(5) of SEBI(LODR) Regulations, 2015

HINDUSTHAN INSULATORS & INDUSTRIES LIMITED THE HINDUSTHAN GROUP® (Formerly known as HINDUSTHAN URBAN INFRASTRUCTURE LIMITED) Date: October 03, 2026 The Listing Department, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400001 Scrip Code: 539984 Subject: Outcome of the Board Meeting in terms of the provisions of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30 and 33 read with Schedule Ill of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we wish to inform you that the Board of Directors of the Company at their meeting held today, i.e. Saturday, October 03, 2026, has, inter alia, considered and approved the following matters: 1. Un-audited Financial Results of the Company for the quarter and half year ended September 30, 2026 Considered and approved the Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026, as recommended by the Audit Committee. Accordingly, please find enclosed herewith as Annexure-I: i. Limited Review Report issued by M/s K.N. Gutgutia & Co, Chartered Accountants, Statutory Auditors of the Company for the quarter and half year ended September 30, 2026; ii. Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026. 2. Resignation of Mr. Shailendra Jhalani as a Chief Financial Officer of the Company Mr. Shailendra Jhalani has tendered his resignation from the position of Chief Financial Officer of the Company with effect from October 03, 2026 consequent to his proposed appointment as a Whole-time Director of the Company with effect from October 04, 2026. A copy of resignation letter is enclosed herewith as Annexure II. 3. Appointment of Mr. Shailendra Jhalani (DIN:11720969) as a Whole-time Director (designated as Deputy Managing Director) of the Company Based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors of the Company have approved the appointment of Mr. Shailendra Jhalani (DIN:11720969) as an Additional Director of the Company with effect from October 04, 2026 and who holds office until the date of next General Meeting or for a period of three months from the date of appointment, whichever is earlier. Regd. Office: Kanchenjunga (7th Floor) 18, Barakhamba Road, New Delhi -110 001 CIN : L31300DL1959PLC003141 Contact: +91-11-23310001, 02, 04 & 05 I Email: hiil@hindusthan.co.in, investors@hindusthan.co.in I Website: www.hindusthaninsulators.com Insulators & Electricals Company: Faridabad Warehouse: Guwahati Warehouse: Gwalior: Bangalore: 1-8, New Industrial Area, 12/1 Milestone, Plot No. lC, Brahamaputra Industrial Area, Sy. No. 194, 195/1 & 196/1, P.B. No. 1, Mandideep -462 045 Delhi Mathura Road, Industrial Park, P.O. Birla Nagar, Kannamangala Village, Bidarahalli (M.P.) Faridabad -121 003 Viii.: Silla, P.O. College Nagar, Gwalior-474 004 Hobli,Bangalore East Taluk, hiil.iec@hindusthan.co.in (Haryana) North Guwahati, (M.P.) Bangalore - 560 115 (Karnataka) hiil.fbdwh@hindusthan.co.in Distt. Kamrup -781 031 (Assam) hiil.gwl@hindusthan.co.in hiil.blr@hindusthan.co.in hiil.gwtwh@hindusthan.co.in HINDUSTHAN INSULATORS & INDUSTRIES LIMITED THE HINDUSTHAN GROUP® (Formerly known as HINDUSTHAN URBAN INFRASTRUCTURE LIMITED) Further, based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors have approved the appointment of Mr. Shailendra Jhalani (DIN:11720969) as the Whole- time Director of the Company, designated as ‘Deputy Managing Director’ and Key Managerial Personnel (KMP) for a period of three consecutive years with effect from October 04, 2026 to October 03, 2029 (both days inclusive) subject to the approval of members. Mr. Shailendra Jhalani is not debarred from holding the office of Director by virtue of any SEBI order or order of any other such authority. 4. Appointment of Mr. Mool Chand Gauba (DIN: 02942664) as an Additional Director in the category of Non-Executive Independent Director of the Company Based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors of the Company have approved the appointment of Mr. Mool Chand Gauba (DIN: 02942664) as an Additional Director of the Company in the category of Non-Executive Independent Director of the Company and who holds office until the date of next General Meeting or for a period of three months from the date of appointment, whichever is earlier. Further, based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors have approved the appointment of Mr. Mool Chand Gauba as a Non-Executive, Independent Director for a first term of 5 (five) consecutive years commencing from October 03, 2026 to October 02, 2031 (both days inclusive) subject to the approval of members. Mr. Mool Chand Gauba is not debarred from holding the office of Director by virtue of any SEBI order or order of any other such authority. 5. Increase in the existing Authorised Share Capital of the Company The existing Authorised Share Capital of the Company increased from Rs. 108,50,00,000/- (Rupees One Hundred Eight Crore Fifty Lakh only) divided into 5,50,00,000 (Five Crore Fifty Lakh) equity shares of Rs. 2/- (Rupees Two only) each and 9,75,00,000 (Nine Crore Seventy-Five Lakh) preference shares of Rs. 10/- (Rupees Ten only) each to Rs. 121,00,00,000/- (Rupees One Hundred Twenty-one Crore only) divided into 11,75,00,000 (Eleven Crore Seventy-Five Lakh) equity shares of Rs. 2/- (Rupees Two only) each and 9,75,00,000 (Nine Crore Seventy-Five Lakh) preference shares of Rs. 10/- (Rupees Ten only) each by alteration in Capital Clause of the Memorandum of Association (MOA) of the Company, subject to approval of the shareholders and any regulatory/ statutory approvals, as may be required under applicable laws. Further, post increase in the authorized share capital of the Company, the existing Capital Clause i.e. Clause V of the Memorandum of Association of the Company shall be substituted and read as follows: “V. The Authorised Share Capital of the Company is Rs. 121,00,00,000/- (Rupees One Hundred Twenty-one Crore only) divided into 11,75,00,000 (Eleven Crore Seventy-Five Lakh) equity shares of Rs. 2/- (Rupees Two only) each and 9,75,00,000 (Nine Crore Seventy-Five Lakh) preference shares of Rs. 10/- (Rupees Ten only) each with power to the Board to divide the shares in the capital for the time being into several classes and to attach thereto respectively such preferential, deferred, qualified or special rights, privileges or conditions as may be determined by or in accordance with the Articles of Association of the Company and to vary, modify, amalgamate or abrogate any such Regd. Office: Kanchenjunga (7th Floor) 18, Barakhamba Road, New Delhi -110 001 CIN : L31300DL1959PLC003141 Contact: +91-11-23310001, 02, 04 & 05 I Email: hiil@hindusthan.co.in, investors@hindusthan.co.in I Website: www.hindusthaninsulators.com Insulators & Electricals Company: Faridabad Warehouse: Guwahati Warehouse: Gwalior: Bangalore: 1-8, New Industrial Area, 12/1 Milestone, Plot No. lC, Brahamaputra Industrial Area, Sy. No. 194, 195/1 & 196/1, P.B. No. 1, Mandideep -462 045 Delhi Mathura Road, Industrial Park, P.O. Birla Nagar, Kannamangala Village, Bidarahalli (M.P.) Faridabad -121 003 Viii.: Silla, P.O. College Nagar, Gwalior-474 004 Hobli,Bangalore East Taluk, hiil.iec@hindusthan.co.in (Haryana) North Guwahati, (M.P.) Bangalore - 560 115 (Karnataka) hiil.fbdwh@hindusthan.co.in Distt. Kamrup -781 031 (Assam) hiil.gwl@hindusthan.co.in hiil.blr@hindusthan.co.in hiil.gwtwh@hindusthan.co.in HINDUSTHAN INSULATORS & INDUSTRIES LIMITED THE HINDUSTHAN GROUP® (Formerly known as HINDUSTHAN URBAN INFRASTRUCTURE LIMITED) rights, privileges or conditions in such manner as may be for the time being provided by the Articles of Association of the Company.” 6. Authorized the Key [Showing first 8,000 characters — download PDF for full document]