Intimation of closure of trading window

September 25, 2026 BSE Limited National Stock Exchange of India Limited Department of Corporate Services, Listing Department, Floor 25, Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Mumbai - 400001 Bandra Kurla Complex, Bandra (East), Scrip Code No: 542665 Mumbai – 400 051 Debt Segment: 977028 Company Symbol: NEOGEN Sub.: Intimation of Closure of Trading Window. Dear Sir/Madam, This is to inform you that pursuant to Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time and the Company’s Code for Prevention of Insider Trading (“Insider Trading Policy”), the Trading Window for dealing in the securities of the Company shall remain closed for all designated persons and their immediate relatives, connected persons and legitimate insiders of the Company from October 1, 2026 till the end of 48 hours after the declaration of Un-Audited (standalone and consolidated) financial results of the Company for the quarter and half year ended September 30, 2026. The above is being duly communicated to all designated persons and their immediate relatives, connected persons and legitimate insiders of the Company under the Insider Trading Policy. The date of Board Meeting of the Company for consideration and approval of the Un-Audited (standalone and consolidated) financial results of the Company for the quarter and half year ended September 30, 2026, will be informed in due course. This information is also being uploaded on the Company’s website at https://neogenchem.com/announcements/ under Trading Window Closure tab. Kindly take the above information on your record. Thanking you, For NEOGEN CHEMICALS LIMITED Unnati Kanani Company Secretary & Compliance Officer Membership No: A35131 Registered Office: 1002, Dev Corpora, Cadbury Junction, E: sales@neogenchem.com T: +91 22 2549 7300 Eastern Express Highway, Thane (W) 400 601, India. W: www.neogenchem.com F: +91 22 2549 7399 CIN No. L24200MH1989PLC050919