Physical letters being sent to the Members who have not registered their email address

July 28, 2026 IGAL/SECT/7-26/18 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-400001 Mumbai-400051 Symbol: INDIGO Scrip Code: 539448 Sub: Letter to the members providing web-link for accessing the Notice convening the 23rd Annual General Meeting (“AGM”) and Annual Report for the FY26 Dear Sir/ Madam, Pursuant to Regulation 36(1) of the Securities Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed the communication which has been sent to the members whose email addresses are not registered with the Depositories / Company, providing the web-link for accessing the Annual Report for FY26 and Notice of the 23rd AGM of the Company. This disclosure is also being made available on the Company’s website at www.goindigo.in. You are requested to kindly take above information on record. 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 INTERGLOBEAVIATIONLIMITED CIN:L62100DL2004PLC129768 RegisteredOffice:UpperGroundFloor,ThaparHouse,GateNo.2,WesternWing,124Janpath, NewDelhi-110001,India Tel:+919650098905;Fax:+911143513200 E-mail:investors@goindigo.in;Website:www.goindigo.in Date:July27,2026 Ref:Folio/DPId&ClientIdNo.:1201090042619614 Sub: Weblink to access notice convening the 23rd Annual General Meeting of InterGlobe Aviation Limited (“the Company”)andAnnualReportforFY26 DearMember, We arepleasedtoinformyouthatthe 23rdAnnualGeneralMeeting(AGM)oftheCompany willbeheldthroughVideo Conferencing(VC)/OtherAudio-VisualMeans(OAVM)onThursday,August20,2026at1100hours(IST). The Notice ofthe 23rdAGM and AnnualReportfor FY26 are beingsent by electronicmode tothe memberswhosee- mailaddressesareregisteredwiththeDepositories/Company. Pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, pleasefindbelowtheweb-linkforaccessingtheAnnualReportforFY26andNoticeoftheAGM,asyouremailaddress isnotregisteredwiththeDepositories/Company: 1. Noticeof23rdAGM: Link:https://www.goindigo.in/content/dam/s6web/in/en/assets/investor-relations/policies/2026/notice_of_AGM.pdf ExactPath:https://www.goindigo.in/information/investor-relations.html>Financialresults>AnnualReport>FY2025-26 2. AnnualReportforFY26 Link:https://www.goindigo.in/content/dam/s6web/in/en/assets/investor-relations/policies/2026/annual_report_FY26.pdf ExactPath:https://www.goindigo.in/information/investor-relations.html>Financialresults>AnnualReport>FY2025-26 E-votingInformation: E-votingeventnumber 140501 Cut-offdateforeligibilityofe-voting Thursday,August13,2026 Commencementoftheremotee-votingperiod 0900hours(IST)onSaturday,August15,2026 Conclusionoftheremotee-votingperiod 1700hours(IST)onWednesday,August19,2026 PleaserefertoAGMNoticefordetailedprocedurefore-votingandattendingAGMthroughVC/OAVM. The facility for e-voting will also be made available during the AGM of the Company and the members attending the meetingwhohavenotcasttheirvotesbyremotee-votingshallbeabletovoteattheAGM. We request you to register your email address with your respective Depository Participant at the earliest in order to receivealltheimportantinformationanddocumentselectronicallyfromtheCompany. Incaseofanyquery,youmaycontactMr.AnandanK,AssistantVicePresident-KFinat040-67162222and1800-309- 4001(toll-free)orwritetoeinward.ris@kfintech.com. ThankingYou, ForInterGlobeAviationLimited NeerjaSharma CompanySecretary&ChiefComplianceOfficer MembershipNo:9630