Please find the link of audio recording of earning call pertaining to the financial results 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: 20.08.2026 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: Post Earnings Call Dear Sir This is further to our letter dated 17th August, 2026, on the captioned subject and Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“the Listing Regulations”) read with Part A of Schedule III of the Listing Regulations, please find below the link of audio recording of earnings call pertaining to the Financial Results of the company for the Quarter ended 30th June 2026 held on i.e Wednesday, 19th August at 4.30 P.M (IST). Recording Link https://www.simplexcastings.com/investor/notice-announcement Recording ID Not Applicable The audio recording of the Post Earnings (Conference) Call held on i.e. Wednesday, 19th August at 4.30 P.M (IST) has also been uploaded on the website of the Company and the link for the Audio recording is available at https://www.simplexcastings.com/investor/notice- announcement. 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