Please find enclosed herewith intimation related to Mahad manufacturing unit incident.

Regd. Office : W- 44, M.I.D.C. Phase II, Manpada Road, ISO Dombivli (E) Dist Thane – 421203, Maharashtra. India. INDO CERTIFIED Phone : 7045592703 / 7045592706 / 7498245178 / 8291098827 E-mail : shares@indoaminesltd.com AMINES 9001:2015 Website : www.indoaminesltd.com CIN: L99999MH1992PLC070022 LIMITED Date: 17th August, 2026 To, To, Manager, Listing Department General Manager, Listing Department National Stock Exchange of India Ltd. BSE Limited Plot no. C/1G Block, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Bandra (East), Dalal Street, Mumbai-400051 Mumbai-400001 Symbol: INDOAMIN Script Code: 524648 Subject: Intimation pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’). Ref: Incident and Temporary Suspension of Operations of Mahad Manufacturing Facility. Dear Sir/ Madam, Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI LODR Regulations”), we wish to inform the Stock Exchanges regarding an unfortunate incident that occurred at the Company's manufacturing facility situated at Plot B-14, Mahad MIDC, District Raigad, Maharashtra, on August 15, 2026. The incident involved gas leakage at the Company's Mahad manufacturing facility. Immediately upon occurrence of the incident, the Company activated its emergency response and safety protocols and took necessary steps to secure the affected area and ensure the safety of its employees and other persons in the vicinity. The Company deeply regrets to inform that one person working at the Company's facility succumbed following the incident. The Company extends its deepest condolences to the bereaved family and is providing necessary support and assistance to the family. Further, certain persons working in the vicinity were also affected and were provided medical attention. The Company has been informed that one person working at a neighbouring industrial unit subsequently succumbed during medical treatment. The Company is extending necessary cooperation to the concerned authorities in relation to the incident. Temporary suspension of operations: In view of the incident and as a precautionary measure, operations at the Company's Mahad manufacturing facility have been temporarily suspended with Regd. Office : W- 44, M.I.D.C. Phase II, Manpada Road, ISO Dombivli (E) Dist Thane – 421203, Maharashtra. India. INDO CERTIFIED Phone : 7045592703 / 7045592706 / 7498245178 / 8291098827 E-mail : shares@indoaminesltd.com AMINES 9001:2015 Website : www.indoaminesltd.com CIN: L99999MH1992PLC070022 LIMITED effect from 15th August, 2026. The Company has taken this step in the interest of the safety of its employees, workers and other stakeholders and to facilitate inspection, investigation, assessment and implementation of necessary safety measures. The Company is presently assessing the condition of the affected area, plant and equipment and is working with the authorities concerned and technical experts for taking appropriate remedial and safety measures. The Company is presently unable to ascertain the exact period of suspension of operations. The Company will take all necessary steps to resume operations at the Mahad facility at the earliest. Cause and Investigation The exact cause and circumstances leading to the gas leakage are presently under investigation by the competent statutory authorities. Accordingly, the Company is not in a position to comment conclusively on the cause of the incident at this stage. The Company is extending full cooperation to all concerned authorities in connection with the investigation. Impact As a precautionary measure, operations at the Mahad facility have been temporarily suspended with effect from August 15, 2026. Accordingly, there is a temporary disruption of operations at the said facility. The Company is presently assessing the impact of the suspension on production, dispatches, customer commitments, inventory and other operational activities. The Company has other manufacturing facilities and, wherever commercially and technically feasible, will evaluate the Regd. Office : W- 44, M.I.D.C. Phase II, Manpada Road, ISO Dombivli (E) Dist Thane – 421203, Maharashtra. India. INDO CERTIFIED Phone : 7045592703 / 7045592706 / 7498245178 / 8291098827 E-mail : shares@indoaminesltd.com AMINES 9001:2015 Website : www.indoaminesltd.com CIN: L99999MH1992PLC070022 LIMITED possibility of managing customer requirements through its other manufacturing locations, subject to product- specific requirements, available capacity and applicable regulatory requirements. Based on the information presently available, the Company does not presently anticipate any material impact on its overall business operations. However, the assessment is ongoing. The incident occurred on August 15, 2026, and the Company prioritized initiation of necessary emergency response and safety measures immediately upon occurrence of the incident. Following the incident, the Company's management and personnel were engaged in emergency response and safety measures, providing necessary assistance and medical support to affected persons, securing the affected area, coordinating with the concerned statutory and regulatory authorities and ensuring the safety of personnel. The Company was thereafter engaged in verification and consolidation of the facts and circumstances of the incident, assessment of the operational impact of the emergency suspension and evaluation of the condition of the affected facility, while simultaneously cooperating with the concerned authorities. Accordingly, the present disclosure is being made at the earliest practicable opportunity after verification and consolidation of the material information available to the Company. The Company will keep the Stock Exchanges informed of material developments in relation to the incident, including the outcome of the investigation, the extent of damage/loss, the financial impact, progress on remedial measures and the expected/actual date of resumption of operations at the Mahad facility. The Company remains committed to the highest standards of safety, health and environmental protection and will undertake all necessary measures before recommencing operations at the affected facility. Regd. Office : W- 44, M.I.D.C. Phase II, Manpada Road, ISO Dombivli (E) Dist Thane – 421203, Maharashtra. India. INDO CERTIFIED Phone : 7045592703 / 7045592706 / 7498245178 / 8291098827 E-mail : shares@indoaminesltd.com AMINES 9001:2015 Website : www.indoaminesltd.com CIN: L99999MH1992PLC070022 LIMITED This disclosure is being made in compliance with Regulation 30 of the SEBI LODR Regulations and the details as required pursuant to the SEBI Master Circular HO/49/14/14(7)2025- CFDPOD2/I/3762/2026 dated January 30, 2026 are attached herewith as “Annexure I”. This is for your information and records. Thanking You. Yours truly, For Indo Amines Limited Tripti Sawant Company Secretary & Compliance Officer Mem. No: A39926 Regd. Office : W- 44, M.I.D.C. Phase II, Manpada Road, ISO Dombivli (E) Dist Thane – 421203, Maharashtra. India. INDO CERTIFIED Phone : 7045592703 / 7045592706 / 7498245178 / 8291098827 E-mail : shares@indoaminesltd.com AMINES 9001:2015 Website : www.indoaminesltd.com CIN: L99999MH1992PLC070022 LIMITED “Annexure-I” Sr. No. Particulars Details 1. Expected quantum of loss/ The incident involved the unfortunate loss of life damage caused of two persons, one of whom was working at the Company's facility and the other at a neighboring industrial unit. Certain other persons in the vicinity were also affected and were provided medical attention. The operations at the Mahad facility have been temporarily suspended with effect from August 15, 2026. The extent of damage/loss to the affected area, plant and equipment and the consequential financial impact, including the impact on production and operations, if any, [Showing first 8,000 characters — download PDF for full document]