InterGlobe Aviation Limited — Capital/Financing Update 2025

May 21, 2025

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May 21, 2025 IGAL/SECT/5-25/5

To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C - 1, Block G Phiroze Jeejeebhoy Tower Bandra Kurla Complex Dalal Street Bandra - (E), Mumbai - 400 051 Mumbai - 400 001 Symbol: INDIGO Scrip Code: 539448

Subject: Disclosure under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Regulations”)

Dear Sir/ Madam,

In compliance with Regulation 30 of SEBI Regulations, please find enclosed a copy of the Press Release – ‘IndiGo Achieves New Financial Milestone with its debut Investment Grade Rating from Moody’s’.

This is for your information and record.

Thanking you,

For InterGlobe Aviation Limited

Digitally signed NEERJA by NEERJA SHARMA SHARMA Date: 2025.05.21 16:11:06 +05'30' Neerja Sharma Company Secretary and Chief Compliance Officer

Encl: a/a

InterGlobe Aviation Limited

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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

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IndiGo Achieves New Financial Milestone with its debut Investment Grade Credit Rating from Moody’s

National, May 21, 2025 - IndiGo, India’s most preferred airline is delighted to announce that Moody’s Investor Services, Inc (“Moody’s”) in its debut assessment has assigned IndiGo a long-term investment grade credit rating of Baa3 with a stable outlook at par with India’s sovereign credit rating.

airlines and select few corporates in India to receive an investment-grade credit rating. Moody’s highlighted several key strengths that contributed to this outcome, including India’s strong economic growth outlook, IndiGo’s solid market presence, strong financial metrics, industry-leading cost structure, sound liquidity position, and a substantial aircraft pending order book. The agency also acknowledged IndiGo’s approach in diversifying its funding sources to support its pending order book of over 900 aircraft. Furthermore, the agency emphasized that IndiGo is exceptionally well-positioned to capitalize on the significant growth potential in India’s rapidly expanding yet underpenetrated aviation sector.

Pieter Elbers, CEO, IndiGo, commented, “ Moody’s Investment grade credit rating reflects the strength of our diversified operations and our strong market presence. We view this rating as a key differentiator and further testament to the effective execution of our strategy. This credit rating places IndiGo among an elite group of global airlines acknowledged for their credit worthiness, governance standards and long-term financial stability. As we continue our growth journey with focus to become a global aviation player, we also remain committed to deliver consistent performance for all stakeholders.”

Gaurav M Negi, CFO, IndiGo, commented, “ We are extremely pleased that Moody’s has initiated coverage of IndiGo with Baa3 (stable outlook) Investment grade credit rating. This milestone reflects our consistent focus maintaining a resilient balance sheet supported by strong liquidity, disciplined capital management and a well-structured capital base. As we continue to expand our network and enhance our service offerings, we remain committed to the highest standards of financial management, governance, and risk oversight. This rating also serves as a foundation for further strengthening our partnerships and accessing diverse and efficient financing opportunities across the global capital markets.”

About IndiGo

IndiGo is India’s preferred and amongst the fastest growing carriers in the world. IndiGo has a simple philosophy: offer fares that are affordable, flights that are on time, and provide a courteous and hasslefree travel experience across its unparalleled network. With its fleet of 400+ aircraft, the airline is operating around 2200+ daily flights, connecting 90+ domestic and 40+ international destinations, inducted 58 aircraft in 2024 and welcomed over 118 million customers in FY25. India by IndiGo! For more information, please visit htp://www.goindigo.in/or download our mobile app. You can also connect with us on Facebook, Twitter, and Instagram.