Appointment

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 From New Delhi – 0120 Website : WWW.UDTLTD.COM 10/08/2026 UDT/SEC/2026-27/BSE-42-NSE-42 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: Appointment of M/s Swati Chaturvedi as Cost Auditor of the Company Dear Sir/Ma’am, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we would like to inform that based on the recommendation of Audit Committee, the Board has approved the appointment of M/s Swati Chaturvedi, Practicing Cost Accountants (FRN - 100664) as the Cost Auditors of the Company for the Financial Year 2026-27. The Company has received the confirmation of eligibility and consent letter from them that they meet the criteria as mentioned in the provisions of the Companies Act, 2013. The requisite disclosure as required as per the requirements of Regulation 30 read with Schedule III -Para A (7C) of Part A of the Listing Regulations (as applicable) and SEBI Master Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 is enclosed herewith. 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 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 From New Delhi – 0120 Website : WWW.UDTLTD.COM Information as required under Regulation 30 - Information as required under Regulation 30 -Para A(7C) of Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015 Sr. Particulars Description 1. Name of Auditor M/s Swati Chaturvedi 2. Reason for change viz. Appointment as Cost Auditor of the Company. appointment, resignation, removal, death or otherwise 3. Date of appointment / August 10, 2026 for the FY 2026-27 to conduct the cessation (as applicable) & audit of Cost records of the Company. term of appointment 4. Brief Profile (in case of M/s Swati Chaturvedi has extensive and varied appointment) experience in the areas of Accounts, Costing, Taxation, Finance and Management Accountancy, Company Law and Private Equity arrangement. They have worked with medium and large business house in India and have good knowledge of working in computerised environments. 5. Disclosure of relationships No relation with any director or senior between directors (in case of management of the Company. appointment of a director) Regd. Office: 139A, First Floor, Antriksh Bhawan, 22 Kasturba Gandhi Marg, New Delhi - 110001