General Updates

UNITED DRILLING TOOLS LTD. CIN : L29199DL1985PLC015796 OIL DRILLING EQUIPMENT MANUFACTURING AND SERVICES Phones : +91-120 – 4842400, Please Reply to Head Office - 4162715, 4729610 26th Floor, Astralis Tower, Supernova Fax No.: +91-120 – 2462675 Complex, Sector-94, Noida - 201301, USE PREFIX FOR CALLING Distt. G B Nagar,Uttar Pradesh, India From outside country – 91 – 120 E-mail : ENQUIRY@UDTLTD.COM From outside state – 0120 Website : WWW.UDTLTD.COM From New Delhi – 0120 29-09-2026 UDT/SEC/2026-27/BSE-55-NSE-55 To, Listing Compliance Department Department of Corporate Service National Stock Exchange of India Ltd. BSE Limited Exchange Plaza, C-1 Block-G, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Bandra (E), Dalal Street, Mumbai- 400001 Mumbai – 400051 Security ID - 522014 Security ID - UNIDT Sub: Closure of Trading Window Dear Sir / Madam, This is to inform that pursuant to the Company’s Code of Conduct for Prevention of Insider Trading and pursuant to clause 4 of Schedule B read with regulation 9 of SEBI (Prohibition of Insider Trading) (amendment) Regulations, 2018, the trading window for dealing in the securities of the Company by its designated persons shall remain closed from October 01, 2026 and will open after 48 hours from the announcement of financial results for the 2nd Quarter ended September 30, 2026 for the FY 2026-27. Accordingly, the Designated Persons have been intimated not to trade in the securities of the Company during the above said period of closure of trading window. Further, the date of the Board Meeting in which result would be considered shall be intimated in due course. This is for your information and record. Thanking You, Yours Faithfully, For United Drilling Tools Limited Anand Kumar Mishra Company Secretary M. No. FCS-7207 Regd. Office: 139A, First Floor, Antriksh Bhawan, 22 Kasturba Gandhi Marg, New Delhi - 110001