Enclosed please find a release on the captioned subject being issued by the Company today.

August 27, 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 Sub.: Release: “WACKER establishes Global Capability Center in India with HCLTech” Dear Sir/Madam, Enclosed please find a release on the captioned subject being issued by the Company today. This is for your information and records. Thanking you, Yours faithfully, For HCL Technologies Limited Manish Anand Company Secretary Encl.:a/a 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 WACKER establishes Global Capability Center in India with HCLTech NOIDA, India, Aug 27, 2026 — HCLTech, a leading global technology company, announced that Wacker Chemie AG, a global chemicals and biotechnology company, has recently established a Global Capability Center in Pune, India in collaboration with HCLTech. The GCC will support WACKER's engineering, IT and digital transformation initiatives. and provide a flexible, resilient and future-ready delivery foundation. “The Global Capability Center is an important step in strengthening our global delivery and digital execution capabilities,” said Fabian Seibold, Director WACKER Excellence Hub Pune. “HCLTech’s experience in building and scaling such centers allows us to move forward with a model that supports agility, governance and long-term growth.” "This expanded engagement builds on the strategic partnership between WACKER and HCLTech and marks an important milestone in WACKER's digital transformation. We are proud to support WACKER's long-term digital and engineering transformation journey as a trusted partner," said Dr. Frank Fehler, Executive Vice President and Country Head - Germany, HCLTech. "Through a phased customer-centric operating model, we are establishing a flexible, resilient, and future-ready GCC for WACKER in Pune. Leveraging our expertise in DevSecOps and automation, HCLTech will help build a high-performing team, strengthen governance, enhance operational efficiency, and accelerate digital modernization," said Kiran Cherukuri, EVP and Global GCC Practice Head, HCLTech. About WACKER WACKER is a global company with state-of-the-art specialty chemical products found in countless everyday items, with applications ranging from tile adhesives to computer chips. The company has a global network of 27 production sites, 22 technical competence centers and 47 sales offices. With more than 16,000 employees, WACKER generated annual sales of around €5.5 billion in fiscal 2025. WACKER operates through four business divisions. The Silicones and Polymers chemical divisions supply products (silicones, polymeric binders) for the automotive, construction, chemical, consumer goods and medical technology industries. Biosolutions, the life sciences division, specializes in bioengineered products such as biopharmaceuticals and food additives. Polysilicon produces hyperpure polysilicon for the semiconductor and photovoltaic industries. For more information, visit www.wacker.com. About HCLTech HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around AI, digital, engineering, cloud and software, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology & Services, Semiconductor, Telecom and Media, Retail and CPG, Mobility and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion. To learn how we can supercharge progress for you, visit hcltech.com. For further details, please contact: HCLTech Meredith Bucaro, Americas - meredith-bucaro@hcltech.com Elka Ghudial, Europe - elka.ghudial@hcltech.com James Galvin, APAC - james.galvin@hcltech.com Nitin Shukla, India, Middle East & Africa - nitin-shukla@hcltech.com