Certificate of Payment of Interest of Non- Convertible Debentures Pursuant to Regulation 57 of SEBI (LODR) Regulations, 2015

HGIEL/HO/COMPLIANCE/2026-27/698 August 31, 2026 BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400 001 Scrip Code: 977063 Dear Sir/Madam Sub: Certificate of Payment of Interest of Non-Convertible Debentures pursuant to Regulation 57 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. In terms of Regulation 57 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby certify and confirm that the Company has made the timely payment of interest in respect of the 40,000 Senior Rated Listed Unsecured Redeemable Non-Convertible Debentures (NCDs) issued by the Company on private placement basis, as per the details mentioned below: a) Whether Interest payment/ redemption payment made (Yes/ no): Yes b) Details of interest payment: S. No. Particulars Details 1. ISIN INE926X08015 2. Issue size Rs. 400 Crore (divided into 40,000 Senior Rated Listed Unsecured Redeemable Non-Convertible Debentures (“NCDs”) of Rs. 1,00,000/- each) 3. Interest Amount to be paid on due date Rs. 17,05,31,507 4. Frequency Half-yearly 5. Change in frequency of payment (if any) Not Applicable 6. Details of such change Not Applicable 7. Interest payment record date August 14, 2026 8. Due date for interest payment 29/08/2026 9. Actual date for interest payment 31/08/2026* 10. Amount of interest paid Rs. 18,43,39,726** 11. Date of last interest payment March 02, 2026 12. Reason for non-payment/delay in payment Not Applicable * As per “Business Day Convention” agreed in financing arrangement, payment had made on August 31, 2026, instead of August 29, 2026. ** The amount of interest paid includes the 2% penal interest charged i.e. Rs. 1,38,08,219 by the Debenture Holder on account of the breach of covenant during the quarter ended March 31, 2026. c) Details of redemption payment: NA S. No. Particulars Details 1. ISIN - 2. Type of redemption (full/partial) - 3. If partial redemption, then - a) By face value redemption - b) By quantity redemption - 4. If redemption is based on quantity, specify, whether on; - a) Lot basis b) Pro-rata basis 5. Reason for redemption (call, put, premature redemption, maturity, - buyback, conversion, others (if any)) 6. Redemption date due to put option (if any) - 7. Redemption date due to call option (if any) - 8. Quantity redeemed (no. of NCDs) - 9. Due date for redemption/ maturity - 10. Actual date for redemption - 11. Amount redeemed - 12. Outstanding amount - 13. Date of last interest payment - 14. Reason for non-payment/ delay in payment - This is for your information and records. Thanking you, Yours faithfully, For H.G. Infra Engineering Limited Ankita Mehra Company Secretary & Compliance Officer Mem. No. A33288 Copy to Debenture Trustee: Catalyst Trusteeship Limited GDA House, First Floor, Plot No. 85, S. No. 94 & 95, Bhusari Colony (Right), Kothrud, Pune, Maharashtra- 411038