Certificate under SEBI (Depositories and Participants) Regulations, 2018

To 13th July 2026 Listing Department Listing Department BSE Limited National Stock Exchange of India Limited 25th Floor, P. J. Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra East, Mumbai – 400 001. Mumbai – 400 051. Scrip Code: 505368 Scrip Code: SEMAC Dear Sir / Madam, Sub: Certificate under Regulation 74 (5) of the SEBI (Depositories and participants) Regulations, 2018 for the quarter ended 30th June 2026 Pursuant to Regulation 74 (5) of SEBI (Depositories and Participants) Regulations, 2018, we enclose herewith a copy of the certificate received from MUFG Intime India Private Limited., Registrar and Transfer Agents of the Company, for the quarter ended 30th June 2026. This is for your information and records. Thanking You, Sincerely, For Semac Construction Limited (Formerly known as Semac Consultants Limited) Aakriti Gupta Company Secretary and Compliance Officer Semac Construction Ltd. Corporate Identity Number Registered Office: Semac Construction Ltd. (Formerly Known as Semac Consultants L42900TZ1977PLC000780 Pollachi Road, Malumachampatti. Limited.) ISO 9001 : 2015 Coimbatore - 641 021. Plot No. 505, 3rd Floor, Udyog Vihar, Phase – III, Tel : + 91 422 2610851 Gurugram, Fax : + 91 442 6655199 Haryana – 122016, India Website: www.semacconstruction.com Email: compliance.officer@semacconstruction.com Gurugram I Bengaluru I Navi Mumbai I Muscat 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 SEMAC CONSTRUCTION LIMITED POLLACHI ROAD MALUMACHAMPATTI POST COIMBATORE 641050 COIMBATORE PINCODE : 641050 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