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October 6, 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: Release – HCLTech to showcase solutions for AI-native transformation of telcos at the India Mobile Congress 2026 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. 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 HCLTech to showcase solutions for AI-native transformation of telcos at the India Mobile Congress 2026 NOIDA, India, Oct. 6, 2026 — HCLTech , a leading global technology company, will demonstrate its portfolio of future-ready solutions for the telecom industry at the upcoming India Mobile Congress 2026. The showcase will include AI-powered platforms and engineering accelerators to support telecom service providers ’ and OEMs ’ transition to AI-native operations . HCLTech’s solutions addresses global telecom industry's top strategic priorities, including autonomous networks, OSS modernization, network monetization and mediation, network cloudification, AI -powered service assurance, Open RAN engineering, intelligent infrastructure and the evolution toward 6G. Built on reusabl e platforms and engineering accelerators, it enables faster deployment and scaling of AI -native capabilities across telecom environments. “Winning in telecom requires sustained commitment to innovation. HCLTech has spent decades building telecom -specific IP, talent and partnerships, and we will continue to invest in these as the industry embraces AI -native operations and 6G. Our goal is to b e the engineering backbone that telecom enterprises rely on as they build the networks of the next decade,” said Hari Sadarahalli, Corporate Vice President and Global Head, Engineering and R&D Services at HCLTech. With its deep telecom engineering capabilities and over 35 dedicated labs , HCLTech serves more than 100 telecom operators globally, including 25 of the world's top 30. The acquisitions of the Communications Technology Group and the Telecom Solutions business from Hewlett Packard Enterprise have further strengthened these capabilities with proven intellectual property, carrier -grade software products and specialist expertise across BSS, OSS modernization, network monetization and data intelligence. 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. Consol idated 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: 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