Certificate under SEBI (Depositories and Participants) Regulations, 2018

July 10, 2026 To, To, The General Manager, The Listing Department, Department of Corporate Services, National Stock Exchange of India Limited, BSE Limited, Exchange Plaza, 1st Floor, New Trading Ring, Bandra Kurla Complex, Rotunda Bldg, P.J. Tower, Bandra (E), Dalal Street, Mumbai – 400051 Mumbai – 400001 Symbol: CENTEXT EQ Scrip Code: 500083 Dear Sir/Madam, Sub: - Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th June, 2026 We are enclosing herewith the certificate dated 01st July, 2026 issued by our Registrar and Share Transfer Agent, C B Management Services Pvt. Ltd. confirming compliance under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th June, 2026. This is for your information and record. Thanking you, Yours faithfully, For Century Extrusions Limited Rajan Singh (Company Secretary & Compliance Officer) MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 01-07-2026 The Compliance Officer/ Company Secretary CENTURY EXTRUSIONS LTD 113 PARK STREET N BLOCK 2ND FLOOR KOLKATA WEST BENGAL PIN 700016 PINCODE : 0 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th June 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services