Please find enclosed the Revised intimation of the Earnings Conference Call for the Quarter ended on 30th June, 2026

Simplex Castings Ltd. [An MSME Unit (Small), Reg. No. UDYAM-CG-05-0000018] Registered Office : 32, Shivnath Complex G.E.Road, Supela Bhilai – 490023 (C.G.) India Phone : +91-788-2290484/85 Fax : +91-788-2285664 E-Mail : CFO@simplexcastings.com Website : www.simplexcastings.com CIN:L27320CT1980PLC019535 GSTIN: 22AABCS4650E1ZT Date: 17-08-2026 To, To, The Manager The Manager Department of Corporate Services Calcutta Stock Exchange BSE Limited Address: 7, Lyons Range, PJ Towers, Dalal Street Dalhousie, Kolkata700001, Mumbai-400001 West Bengal Scrip Code: 513472 Scrip Code: 29066 Sub: Revised intimation of Conference Call under the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015. Dear Sir This is to inform you that the Company’s Earnings Conference Call, earlier scheduled to be held at 04:30 P.M. IST on Monday, August 17, 2026, has been postponed. The Earnings Conference Call will now be conducted at 04:30 P.M. IST on Wednesday, August 19, 2026. The Revised details of earnings call are enclosed herewith. Kindly take the same on record. Thanking you, Yours faithfully, FOR, SIMPLEX CASTINGS LIMITED KETAN MOOLCHAND SHAH (Whole-Time Director) DIN- 00312343 OFFICE ADDRESS PHONE FAX E-MAIL Regd. Office : 32, SHIVNATH COMPLEX GE ROAD SUPELA BHILAI -490023(CG), INDIA 0788-2290485 marketing@simplexcastings.com Kolkata : 3B, MANSAROWAR, CAMAC STREET 3rd FLOOR KOLKATA - 700016 (W.B.) INDIA 7225057701 033-22493251 kol@simplexcastings.com Bhilai (Plant) : 5, INDUSTRIAL ESTATE, BHILAI - 490026 (C.G.) INDIA 0788-2290484 0788-4034188 marketing@simplexcastings.com Rajnandgaon (Plant): 223/2,224INDUSTRIAL ESTATE, TEDESARA, RAJNANDGAON - 491441(C.G.) INDIA 9200056703 0788-2285664 marketing@simplexcastings.com SPEAKERS FROM THE MANAGEMENT SIMPLEX CASTINGS LTD Q1 FY27 EARNINGS CONFERENCE CALL Join us for a discussion on our financial performance, operational highlights and future outlook. MR. KETAN SHAH MR. AVINASH HARIHARNO Chairman and Executive Director Whole Time Director DATE TIME WEDNESDAY 04:30 PM 19th AUGUST 2026 IST JOIN VIA ZOOM MEETING ID: 869 3524 2895 REGISTER HERE PASSCODE: 496424 Click here to view the Q1 Investor Presentation and Press Release ir@merlincapital.co.in merlincapital.in +91 81048 55515