The Company has informed the exchange regarding Quarterly Report for the first quarter ended 30 June 2026.

10 August 2026 National Stock Exchange of India Limited BSE Limited “Exchange Plaza”, Phiroze Jeejeebhoy Towers, Bandra - Kurla Complex, Dalal Street, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Dear Sirs, Sub: Quarterly Report for First Quarter ended 30 June 2026 Ref: “Vodafone Idea Limited” (IDEA / 532822) In continuation with our letter of even date, we hereby enclose a copy of the Quarterly Report being issued on the performance of the Company for the first quarter ended 30 June 2026. The above is for your information and dissemination to the public at large. Thanking you, Yours truly, For Vodafone Idea Limited Pankaj Kapdeo Company Secretary Encl: As above Quarterly Report Jun’26 Page 1 of 18 Unless stated otherwise, the financial data in this report is derived from our un-audited / audited financial statements prepared in accordance with Ind AS adopted in Q1FY17, with transition date of April 01, 2015. Our financial year ends on March 31 of each year, so all references to a particular financial year are to the twelve months ending March 31 of that year. In this report, any discrepancies in any table between the total and the sums of the amounts listed are due to rounding-off. There are significant differences between Indian GAAP, IFRS, Ind AS and U.S. GAAP; accordingly, the degree to which the Ind AS financial statements will provide meaningful information is dependent on the reader’s familiarity with Indian accounting practices. Any reliance by persons not familiar with Indian accounting practices on the financial information presented in this report should accordingly be limited. We have not attempted to explain such differences or quantify their impact on the financial data included herein. Unless stated otherwise, industry data used throughout this report has been obtained from industry publications. Industry publications generally state that the information contained in those publications has been obtained from sources believed to be reliable but that their accuracy and completeness are not guaranteed and their reliability cannot be assured. Although we believe that industry data used in this report is reliable, it has not been independently verified. Actual results may differ materially from those suggested by the forward-looking statements due to risks or uncertainties associated with our expectations with respect to, but not limited to, our ability to successfully implement our strategy, our growth and expansion, technological changes, our exposure to market risks, general economic and political conditions in India which have an impact on our business activities or investments, the monetary and interest policies of India, inflation, deflation, unanticipated turbulence in interest rates, foreign exchange rates, equity prices or other rates or prices, the performance of the financial markets in India and globally, changes in domestic and foreign laws, regulations and taxes and changes in competition in the industry. Quarterly Report Jun’26 Page 2 of 18 Vodafone India Limited merged into Idea Cellular Limited (ICL) on August 31, 2018. Consequently, the name of the Company has been changed from ICL to Vodafone Idea Limited. Vodafone Idea Limited is an Aditya Birla Group and Vodafone Group partnership. The Company offers Voice and Data services on 2G, 4G and/or 5G technologies across 22 service areas in India. With its large spectrum portfolio to support the growing demand for data and voice, the Company is committed to deliver delightful customer experiences and contribute towards creating a truly ‘Digital India’ by enabling millions of citizens to connect and build a better tomorrow. The Company is developing world-class infrastructure to introduce newer and smarter technologies, making both retail and enterprise customers future ready with innovative offerings, conveniently accessible through an ecosystem of digital channels as well as extensive on the ground presence. The Company is listed on the National Stock Exchange (NSE) and the BSE in India. Promoter Groups Vodafone is a leading European and African telecoms company.They serve around 370 million mobile and broadband customers, operating networks in 17 countries with investments in a further three and partners in over 40 more. With capacity on more than 70 subsea cable systems – the backbone of the internet – group is developing a new direct-to-mobile satellite communications service to connect areas without coverage. Vodafone runs one of the world’s largest IoT platforms, with over 240 million IoT connections globally, and provides financial services to around 103 million customers across eight African countries – managing more transactions than any other provider. Aditya Birla Group (ABG) is a global conglomerate with a turnover of over US$72 billion, creating stakeholder value through its diverse portfolio of businesses. Over the last 169 years, the Group has built presence far beyond its home ground in India and today spans 41 countries across 6 continents, 20+ industry verticals, powered by more than 227,500 employees. As India's first multinational, the Group has achieved global and national market leadership in several sectors like metals, cement, pulp and fibre, chemicals, textiles, carbon black, financial services, fashion retail, telecom, real-estate, renewables amongst others. The Group is driven by five core values – Integrity, Commitment, Passion, Seamlessness and Speed. It strongly believes in being a "Force For Good" — using businesses as a catalyst for positive change, built on the cornerstone of innovation and progress. Purpose has been an animating force for all actions since inception. The Group's stated Purpose: 'To enrich lives, by building dynamic Quarterly Report Jun’26 Page 3 of 18 and responsible businesses and institutions that inspire trust' — provides a unique lens to measure every action and its consequent impact on stakeholders, community, and the world at large. Corporate Structure Vodafone Idea Vodafone Idea Vodafone Idea Vodafone Idea Vodafone Idea Vodafone Idea You Next-Gen Vodafone Idea Manpower Business Shared Vodafone Telecom Communication Broadband Solutions Limited Technology Services Services Services Foundation Infrastructre Systems Limited India Limited (earlier Vodafone M-Solutions Limited Limited Limited Limited Limited* Pesa Limited) Trading of Section 8 Manpower Data Centre, Shared service Fixed line Rich Business Colocation, IIOT, communication Company - Fibre assets Services OSP Services center Broadband Messaging CCaaS devices CSR activities *VIL holds – 97.5% and VICSL holds -2.5% Note: Additionally, VIL holds 26 % stake in Sangli Wind Energy Private Limited, Aditya Birla Renewables SPV 3 Limited and MTK Quantum Green Energy Private Limited — special purpose vehicles formed for the purpose of owning and operating captive power plant to be used by VIL. Business Segments a. Mobility • Voice Business – The Company offers Voice services in all 22 service areas. The Company covers 91.3% of India’s population# with coverage in over 487,000 Census towns and villages with its Voice services. The Company also offers 4G VoLTE across all 22 circles to provide enhanced voice experience to its 4G subscribers as well as Voice over Wi-Fi (VoWiFi) in several circles. This quarter the Company has also expanded its 5G services in over 200 cities across all 17 key circles. • Broadband Services – The broadband services of the Company on 4G platform is available in all 22 service areas of India. The Company’s 4G coverage is available in nearly 430,000 Census towns and villages and covers 87% of population#. #Basis the Census 2011 data adjusted for 2020 by using Aadhaar Card data and proportionately extrapolating for all census data points, reported by an independent third-party consultant. • Content and Digital Offerings - In line with its core strategy, the Company has been deeply invested in building a comprehensive portfolio of digital product [Showing first 8,000 characters — download PDF for full document]