Please find enclosed herewith the Corrigendum to the Notice of EGM

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: 09-10-2026 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: Corrigendum to the Notice of Extra Ordinary General Meeting of the shareholders of Simplex Castings Limited (“The Company”) to be held on Thursday, October 15, 2026. Dear Sir/Madam, This is in continuation to the Notice of the Extra Ordinary General Meeting of the Company dated September 23, 2026 (“EGM Notice”), which has already been emailed to the shareholders of the Company on September 23, 2026. A Corrigendum is being issued today to inform the Shareholders to whom the Notice of EGM has been emailed regarding changes in the Explanatory Statement. A copy of detailed Corrigendum is enclosed herewith. The said Corrigendum is also being published in the respective newspapers in Hindi and English language and also being uploaded on the website of the Company at www.simplexcastings.com. Except as detailed in the attached Corrigendum, all other items of the EGM Notice along with Explanatory Statement dated September 23, 2026, shall remain unchanged. Please note that on and from the date hereof, the EGM Notice dated September 23, 2026 shall always be read collectively with this Corrigendum. Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we kindly request you to take into record the above submissions. This is for you information and records. Thanking you, By order of Board of Directors For Simplex Castings Limited Chandra Shekhar Sahu Company Secretary Mem No: A80899 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 Simplex Castings Limited (CIN: L27320CT1980PLC019535) Regd. Office: 32, Shivnath Complex G.E. Road, Supela, Bhilai - 490023 (C.G) India E-mail: cs@simplexcastings.com ; Phone: 0788-2290484 Website: - www.simplexcastings.com CORRIGENDUM IN CONTINUATION TO THE NOTICE AND EXPLANATORY STATEMENT ATTACHED THERETO DATED SEPTEMBER 23, 2026, CONVENING THE EXTRA-ORDINARY GENERAL MEETING TO BE HELD ON THURSDAY, OCTOBER 15, 2026 An Extraordinary General Meeting (“EGM”) of the Members of Simplex Castings Limited (“Company”) is scheduled to be held on Thursday, October 15, 2026 at 02:00 P.M. (IST) through Video Conference (“VC”) / Other Audio-Visual Means (“OAVM”) (“hereinafter referred to as “electronic mode”). The Notice of the EGM dated September 23, 2026 (“EGM Notice”) was dispatched to all the shareholders of the Company on September 23, 2026, in due compliance with the provisions of the Companies Act, 2013, and rules made thereunder, read with circulars issued by Ministry of Corporate Affairs(“MCA”) and Securities Exchange Board of India(“SEBI”). This corrigendum is being issued to give notice to amend / provide clarification and additional details as mentioned herein and pursuant to the provisions of SEBI (Issue of Capital and Disclosure Requirements) Regulations, 2018. The Company had filed applications with the stock exchange namely BSE Limited (“BSE”), for seeking “In- Principle Approval” in relation to the proposed preferential issue of Equity Shares and Convertible Warrants for which the approval of the shareholders is being sought. Thereafter, the Company has received observations from BSE and directed the Company to rectify / provide additional details through Corrigendum. The Company through this communication wishes to bring to the notice of the Shareholders, following changes in the said EGM Notice. The following changes shall be considered and substituted in the original EGM Notice Dated September 23, 2026: 1. Clause V of the Resolution No. 1 of EGM Notice shall be replaced and read as: “The Authorised Share Capital of the Company is Rs. 15,00,00,000 (Rupees Fifteen Crores Only) divided into 7,50,00,000 (Seven Crores Fifty Lakhs) Equity shares of Rs. 2/- (Rupees Two only) each.” 2. The name of allottee mentioned in Sr. No 14 in resolution no. 02 of EGM Notice and in Point No. 08, Point No. 10 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Resonance Opportunities Fund instead of Reasonance Opportunities Fund. 3. The name of allottee mentioned in Sr. No 16 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Shah Amee D instead of Amee D Shah. 4. The name of allottee mentioned in Sr. No 18 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Divya Abhinav Daga instead of Mr. Abhinav Daga. 5. The name of allottee mentioned in Sr. No 19 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as M MOHAMEDIBRAHIM instead of Mohamed Azam Mohamedibrahim. 6. The name of allottee mentioned in Sr. No 20 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Senthilkumar SR instead of SINNAPPAGOUNDER RAMASAMY SENTHILKUMAR. 7. The name of allottee mentioned in Sr. No 33 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Akash Aggarwal instead of Akash Agrawal. 8. The name of allottee mentioned in Sr. No 55 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Amit Shantilal Jain instead of Amit Jain. 9. The name of allottee mentioned in Sr. No 62 in in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Sagar Narendrabhai Gokani instead of Sagar Narendrabhai Bokhani. 10. The name of allottee mentioned in Sr. No 64 in resolution no. 02 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 02 in Notice, shall be read as Harshkumar Ramesh Jain instead of Harshkumar R Jain. 11. The name of allottee mentioned in Sr. No 1 in resolution no. 03 of EGM Notice and in Point No. 06, Point No. 08, Point No. 15 and last paragraph of Explanatory Statement of Item No. 03 in Notice, shall be read as Ketan Moolchand Shah instead of Ketan Shah. 12. The name of allottee mentioned in Sr. No 55 in resolution no. 03 of EGM Notice and in Point No. 08 and Point No. 15 of Explanatory Statement of Item No. 03 in Notice, shall be read as Harshkumar Ramesh Jain instead of Harshkumar R Jain. 13. Wherever “NSE” appears in the Point No. 04 of Explanatory Statement of Item No. 02 and Item No. 03 to Notice, it shall be read as “BSE”. 14. In the explanatory statement of Item No. 02, Point No. 8 “Name of the proposed allottees of Share along with their class and percentage of post Preferential Issue capital that may be held by them” shall be read and replaced as: Pre Issue Issue of Post Issue Class Shareholding Equity Shareholding* Name of the (Promoter/ Shares Proposed Allottee of Non- (Present Equity [Showing first 8,000 characters — download PDF for full document]