Business Responsibility & Sustainability Report for FY26

July 28, 2026 IGAL/SECT/7-26/17 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C - 1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra - (E) Mumbai - 400 001 Mumbai - 400 051 Scrip Code: 539448 Symbol: INDIGO Subject: Business Responsibility and Sustainability Report (BRSR) for the FY26 Dear Sir/ Madam, In compliance with Regulation 34 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed BRSR forming part of the Annual Report of the Company for the FY26, along with Independent Assurance Statement on BRSR core provided by TUV India Private Limited. This disclosure is also being made available on the Company’s website at www.goindigo.in. The above is for your information. Thanking you, For InterGlobe Aviation Limited Neerja Sharma Company Secretary & Chief Compliance Officer Encl: a/a InterGlobe Aviation Limited Registered Office: Upper Ground Floor, Thapar House, Gate No. 2, Western Wing, 124 Janpath, New Delhi – 110 001, India. M +91 9650098905, F + 91 11 43513200 Email: corporate@goindigo.in Corporate Office: Emaar Capital Tower-II, Sector-26, Sikanderpur Ghosi, MG Road, Gurugram-122002, Haryana, India. T +91 124 435 2500. CIN no.: L62100DL2004PLC129768 Business Responsibility and Sustainability Report (BRSR) Business Responsibility and Sustainability Report (BRSR) FY 2026 InterGlobe Aviation Limited 1 ABOUT THE REPORT The Securities and Exchange Board of India (SEBI) requires CIR/2023/122, dated 12th July 2023 and subsequent the top 1,000 listed entities in India to prepare and notifications. The BRSR is based on the nine principles disclose Business Responsibility and Sustainability Report outlined in the National Guidelines on Responsible (BRSR) in accordance with the SEBI (Listing Obligations Business Conduct issued by the Ministry of Corporate and Disclosure Requirements) Regulations, 2015. Under Affairs. Being one of the top one hundred and fifty listed these regulations, top 500 listed entities are required companies in India, these standards apply to InterGlobe to get reasonable assurance on the BRSR Core indicators Aviation Limited (henceforth referred to as “We”, “Our”, as per the SEBI circular number SEBI/HO/CFD/CFD-SEC-2/P/ “IndiGo”, “the Company”, or “Your Company”). Annual Report 2025-26 Business Responsibility and Sustainability Report (BRSR) 2. EXECUTIVE SUMMARY Dear Stakeholders, It gives me immense pleasure to share the fifth edition of our IndiGo continues to closely follow developments in global Business Responsibility and Sustainability Report (BRSR) climate regulations such as CORSIA, ReFuelEU, UK RTFO etc., for FY 2025-26, prepared in accordance with the guidelines and is preparing to meet applicable compliances. We are of the Securities and Exchange Board of India. Further, as deploying Sustainable Aviation Fuel (SAF) on our flights per the compliance requirement, we have engaged TUV returning from the EU and UK. In India, IndiGo is actively engaged with the regulators and Oil Marketing Companies India Private Limited (TÜV NORD Group), an independent to support the development of a national SAF roadmap and third-party assurance provider, to conduct assurance of the supply ecosystem. BRSR Core indicators. The assurance was carried out in line with the ISAE 3000 Standard (Revised) requirements at a We are also delighted to share that our ifly training facility reasonable level. Please refer to the independent assurance and the corporate offices in Gurugram have achieved IGBC statement at the end of this report. and USGBC Green Building Certification respectively for environmentally responsible building practices & interiors. Over the years, IndiGo has emerged as India’s preferred airline, seamlessly connecting people, places, and IndiGo remains committed to fostering Diversity, Equity, and aspirations. FY 2025-26 was a milestone year in IndiGo’s Inclusion (DEI) within our organization. The women-employee 20-year journey. Our fleet grew to 4411 aircraft. We added 6 ratio has continued to increase year-on-year, reaching 45.6% new domestic and 8 new international destinations and had as of March 2026. With 17.4% of our cockpit crew as women, the privilege of carrying 123 million passengers across 142 we continue our endeavor towards gender equality. Continuing destinations. In January 2026, IndiGo became the first Indian our annual tradition, we celebrated ‘PwD hour’ in July 2025. This airline to induct the Airbus A321XLR aircraft into its fleet, a initiative recognizes and honors the exceptional contributions defining moment in our international expansion strategy. of our differently abled colleagues who play an invaluable role We also commenced wide-body operations and entered in our operations. the European market in July 2025. This year, we introduced IndiGo was conferred with the ‘Impactful DEI Program Award ‘Up-Front’, an elevated economy-class service tailored to 2025’ by the Bombay Chamber of Commerce & Industry in evolving customer preferences. Our IndiGo BluChip loyalty June 2025. IndiGo was also ranked #1 at BusinessWorld’s program crossed the milestone of over 11 million customers India’s Most Sustainable Companies Awards under Aerospace, as of March 2026. Aviation & Defense category. IndiGo remains firmly committed to Sustainability and Reaffirming our commitment to accessible air travel in India’s responsible business practices. We continue to integrate tier 2 and tier 3 cities, IndiGo operated over 3,800 flights and Sustainability considerations across all aspects of our transported over 334,000 passengers under the Government operations to ensure a positive impact on the environment of India’s UDAN initiative during FY 2025-26. and society. As part of our decarbonisation strategy, we continued investments in next-generation Airbus A320neo Through IndiGoReach, our CSR arm, IndiGo trained more than Family aircraft, which are 15% more fuel-efficient than 1,500 youths under multiple skill-development programs, previous generation aircraft. During the year, we inducted thereby continuing to enhance livelihoods in the travel, 51 new Airbus A320neo Family aircraft into the fleet. As transportation, logistics, and hospitality domains. We made of March 2026, the next generation aircraft accounts for progress with our Heritage conservation and restoration 81%1 of our total fleet. This positions us as one of the initiatives at 4 sites, which include training masons, most fuel-efficient airlines, globally. Our GHG emission artisans, and craftsmen to preserve India’s architectural and cultural history. intensity footprint for the year stood at 60.5 grams of CO2e per Available Seat Kilometer (ASK), representing 18.9% This year also reinforced the importance of resilience and reduction from the 2016 baseline. collaboration in navigating a dynamic business environment. At IndiGo, strong governance remains the foundation of how We have also made substantial progress in decarbonizing we build trust, uphold accountability, and enable long-term ground operations by increasing the share of electric Sustainability. Guided by our 6E Code of Conduct and 6E Values, Ground Service Equipment (GSE) including electric coaches, IndiGo maintains the highest standards of ethics, fairness, and baggage loaders, and combo units. While our Ahmedabad corporate responsibility across all aspects of the business. and Thiruvananthapuram stations now operate with 100% electric coaches, Delhi station operates a combination of We welcome our stakeholders to read the BRSR report and electric and CNG coaches. share their valuable feedback at esg@goindigo.in. 1 Including wet leased aircraft InterGlobe Aviation Limited 3 SECTION A: GENERAL DISCLOSURES I. Details of the listed entity Particulars Details 1. Corporate Identity Number (CIN) of the Listed Entity L62100DL2004PLC129768 2. Name of the Listed Entity InterGlobe Avi [Showing first 8,000 characters — download PDF for full document]