United Drilling Tools Ltd. — Capital/Financing Update 2026

Apr 16, 2026

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UNITED DRILLING TOOLS LTD. CIN : L29199DL1985PLC015796

OIL DRILLING EQUIPMENT MANUFACTURING AND SERVICES

Phones : +91-120 – 4842400, - 4162715, 4729610 Fax No .: +91-120 – 2462675 USE PREFIX FOR CALLING From outside country – 91 – 120 From outside state – 0120 From New Delhi – 0120

Please Reply to Head Office

26[th] Floor, Astralis Tower, Supernova Complex, Sector-94, Noida - 201301, Distt. G B Nagar,Uttar Pradesh, India E-mail : ENQUIRY@UDTLTD.COM Website : WWW.UDTLTD.COM

16/04/2026

UDT/SEC/2026-27/BSE-04-NSE-04

To, Department of Corporate Service BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400001 Security ID - 522014

Listing Compliance Department National Stock Exchange of India Ltd. Exchange Plaza, C-1 Block-G, Bandra Kurla Complex, Bandra (E), Mumbai – 400051 Security ID - UNIDT

Sub: Receipt of order from M/s Oil and Natural Gas Corporation Limited (‘ONGC’)

Dear Sir / Ma’am,

Pursuant to Regulation 30 read with Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with SEBI Master Circular No. SEBI/HO/CFD/CMD1/CIR/P/2024/111 dated November 2024, we are pleased to inform that the Company has received a domestic order by M/s Oil and Natural Gas Corporation Limited (ONGC) for the supply of Integral Blade Stabilizer, including accessories, in the ordinary course of business. The details of the order are as under:

Sr. No.	Particulars	Details
1.	Name(s) of the entity awarding the order (s) /Contract(s)	Oil and Natural Gas Corporation Limited
2.	Significant terms and conditions of order(s) /contract(s)awarded in brief	Supply of Integral Blade Stabilizer
3.	Whether order(s) /contract(s) have been awarded by domestic /international entity	Domestic entity
4.	Nature of order(s) /contract(s)	Commercial
5.	Whether domestic or international	Domestic
6.	Time period by which the order(s)/contract(s)is to executed	4-5 Months
7.	Broad consideration or size of the order(s) contract(s)	Estimated Contract Value – Rs. 5,03,55,686.80/-(Rs. Five Crores Three Lakh Fifty Five Thousand Six Hundred Eighty Six and sixty Paisa Only)

Regd. Office: 139A, First Floor, Antriksh Bhawan, 22 Kasturba Gandhi Marg, New Delhi - 110001

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UNITED DRILLING TOOLS LTD. CIN : L29199DL1985PLC015796

OIL DRILLING EQUIPMENT MANUFACTURING AND SERVICES

Phones : +91-120 – 4842400, - 4162715, 4729610 Fax No .: +91-120 – 2462675

Please Reply to Head Office

26[th] Floor, Astralis Tower, Supernova Complex, Sector-94, Noida - 201301, Distt. G B Nagar,Uttar Pradesh, India E-mail : ENQUIRY@UDTLTD.COM Website : WWW.UDTLTD.COM

USE PREFIX FOR CALLING From outside country – 91 – 120 From outside state – 0120 From New Delhi – 0120

1. Whether the promoter/ promoter group No / group companies have any interest in the entity that awarded the order(s)/contract(s)* If yes,

2. Whether the order(s)/contract(s) would No fall within related party transactions? If yes, whether the same is done at “arm’s length) date of execution of the agreement;

This is for your information and record.

Thanking You,

Yours Faithfully, For United Drilling Tools Limited ANAND Digitally signed by ANAND KUMAR KUMAR MISHRA Date: 2026.04.16 MISHRA 11:43:03 +05'30' Anand Kumar Mishra Company Secretary M. No. FCS-7207

Regd. Office: 139A, First Floor, Antriksh Bhawan, 22 Kasturba Gandhi Marg, New Delhi - 110001