Certificate under Regulation 74(5) of SEBI(Depositories and Participant) Regulations, 2018 for the quarter ended on September 30, 2026 received from RTA.

CRIMSON METAL ENGINEERING COMPANY LIMITED Manufacturers & Exporters of E.R.W. STEEL TUBES - PIPES (BLACK & GALVANISED) CIN : L27105TN1985PLC011566 Regd. & Head Office : Phone :044-25240393 / 25240559 No. 163/1, K.SONS COMPLEX Web: wsww.icrmettale.in Il FLOOR, BROADWAY, CHENNAI - 600 108. INDIA October 12, 2026 The Dept. of Corporate Services BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai — 400001 Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended on September 30, 2026 Security Code: 526977 Dear Sir/Madam, Please find enclosed the Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended on September 30, 2026 received from Skyline Financial Services Pvt. Ltd., Registrar and Share Transfer Agent. Kindly take the same on your records. Thanking you, Yours faithfully, For Crimson Metal Engineering Company Limited Divya Arora Company Secretary & Compliance Officer M. No.: A71348 Encl: as above Works : Sedarapet Industrial Estate, Mailam Road, Pondicherry - 605 111. Phone : (91) 0413 - 2677351 Fax (91) 0413-2677346 Skyline Skyline Financial Services Pvt. Ltd. Financial # Services Pyt le SEBI Registered Category-1 Registrars & Share Transfer Agent Regd. & Corp. Office : D-153 A, 1st Floor, Okhla Industrial Area, Phase-l, New Delhi - 110 020 Tel.: +91-11-40450193-97, 26812682-83, E-mail: info@skylinerta.com, Website: www.skylinerta.com CIN No.: U74899DL1995PTC071324 Dated: October 03, 2026 Ref: SFSPL/RTA/ September/2026 The Company Secretary CRIMSON METAL ENGINEERING COMPANY LIMITED NO-163/1, K SONS COMPLEX Il FLOOR, BROADWAY CHENNAI 600108 Subject: Confirmation Certificate in the matter of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Deer Sir, In accordance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September, 2026, w.r.t. physical share certificates received for dematerialization of securities from the depository participant (Equity Shares) of the Company, “ CRIMSON METAL ENGINEERING COMPANY LIMITED ” CIN: L27105TN1985PLC011566. We hereby confirm and certify the following: a) The securities comprised in the said certificate(s) have been listed on the Stock Exchange where the earlier issued securities are listed: b) The said certificate(s) after due verification have been mutilated and cancelled and the name of depository has been substituted in our records as registered owner within 15 days. This is for your information and records. Thanking you, Pareen Sharma Authorised Signatory Mumbai Office: A-506, Dattani Plaza, Andheri Kurla Road, Safeed Pool, Mumbai-400072 Tel.: +91-22-49721245, 28511022, E-mail: mumbai@skylinerta.com