Enclosed please find an update on the captioned subject.

August 1, 2026 The General Manager The Manager BSE Limited National Stock Exchange of India Limited Listing Department Listing Department Phiroze Jeejeebhoy Towers Exchange Plaza Dalal Street 5th Floor, Plot No. C-1, Block-G Mumbai- 400 001 Bandra-Kurla Complex, Bandra(E) Mumbai-400 051 BSE Scrip Code: 532281 NSE Scrip Code: HCLTECH Subject: Update - HCLTech completes acquisition of Guardian India Operations Private Limited Dear Sir/ Madam, This is further to our letter dated July 16, 2026, wherein the Company had intimated the acquisition of 100% stake in Guardian India Operations Private Limited, a company incorporated in India. We would like to inform you that the aforesaid acquisition has been completed at 11:59 p.m. IST on July 31, 2026. This is for your information and records. Thanking you, Yours faithfully, For HCL Technologies Limited Manish Anand Company Secretary HCL Technologies Ltd. Technology Hub, Special Economic Zone Corporate Identity Number: L74140DL1991PLC046369 Plot No. 3A, Sector 126, NOIDA– 201304, UP, India Registered Office: t: +91 120 4306000 806 Siddharth, 96, Nehru Place, New Delhi -110019, India