Disclosure regarding resignation of Senior Management Personnel.

12 August, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex, Dalal Street, Fort, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500128 Symbol: ELECTCAST Dear Sir/Madam, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we would like to inform that Mr. Manoj Kumar Thakur, President – Growth, Business Control and Coal of the Company, have resigned from the services of the Company due to personal reasons, with effect from closing hours of 12 August, 2026 and shall cease to be Senior Management Personnel of the Company with effect from the aforesaid date. Further, as per the requirements of Regulation 30 read with Schedule III, Para A, Clause (7C) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the copy of the resignation letter submitted by Mr. Manoj Kumar Thakur confirming that, there are no material reasons for his resignation other than those mentioned by him is enclosed herewith. The requisite details as prescribed under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with SEBI Master Circular No. HO/49/14/14(7)2025- CFDPOD2/I/3762/2026 dated 30 January 2026, are enclosed herewith. Disclosure Requirements Details Name of Senior Managerial Personnel Mr. Manoj Kumar Thakur Reason for change Resignation due to personal reasons w.e.f. 12 August, 2026. He has confirmed that there is no other reason for his resignation apart from those stated in his resignation letter. Date of cessation, as applicable 12 August, 2026 Brief Profile Not Applicable Disclosure of relationships between directors Not Applicable Information as required under BSE circular no. Not Applicable LIST/COM/14/ 2018-19 and NSE circular no. NSE/CML/2018/24 both dated June 20, 2018. This is for your information and records. Thanking you. Yours faithfully, For Electrosteel Castings Limited In dranil Mitra Company Secretary ICSI: A20387 Encl: as above