InterGlobe Aviation Limited informed the Exchange regarding Credit Rating

September 25, 2026 IGAL/SECT/9-26/2 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C - 1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Bandra – (E) Dalal Street Mumbai - 400 051 Mumbai - 400 001 Symbol: INDIGO Scrip Code: 539448 Subject: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Credit Rating Dear Sir/ Madam, This is to inform that CRISIL Ratings Limited (“CRISIL”) vide its letter dated September 25, 2026, has continued its ratings on the bank facilities of the Company on ‘Rating Watch with Developing Implications’ as detailed below: Long-term rating CRISIL AA-/Watch Developing (continues on ‘Rating Watch with Developing Implications) Short-term rating CRISIL A1+/Watch Developing (continues on ‘Rating Watch with Developing Implications) The rating rationale issued by CRISIL is enclosed for reference. We request you to please take the same 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 Crisil Ratings RatiRnagt ionale Septe2m5b2,e0 r2IM 6 u mbai lnterGAlvoibaetL iiomni ted Ratingcso ntinoun'e Wsa tDcehv eloping' RatiAncgt ion RegulOaft or TotBaaln Lko aFna cilRiattieeds Rs.90Cr0o0r e Instrument CriAsAi-/lW atDcehv elo(pCionngt ionnu es LonTge rRma ting RBI 'RatWiantgcw hi tDhe veloIpmipnlgi cations') CriAs1i+l/ WaDtecvhe lo(pCionngt ionnu es ShoTretr Rma ting RBI 'RatWiantgcw hi tDhe veloIpmipnlgi cations') .. .. .. NotNeo:no eft hDei reocntC onrssR lfa tiLnigms1 Btoeadar'rdsme e mbeorfras t icnogm miatnttdeh eud son opta rflciIdinps actues osrai sosni gnomfae nranytt i .n gs ThBeo aorfDd i recatlodsrsoo e nsodi ts cuasnsray t inagtis tm se etings. 1c ro=re1 0m illion RefteAorn nexfuoDrree t aoifIl nss trum&Be anntFksa cilities DetaiRlaetdi onale CriRsaitli hnagcsso ntiintrusae tdi onntg hsbe a nfka ciolfil tniteesrA GvlioabLteii moin(t lendd oinG' oR)a tWiantgcw hi th DeveloIpmipnlgi cations'. CriRsaitli hnagpdsl actehdre a tionnwg ast foclhl owtihenesg c aloaftt hiceoo nn filnWi ecstAt s itah,ie m paocfwt h iocnh lndiGbou'ssi naensdfs i nanrciispakrl o foivleetrsh m ee diutme rrme maiunnecde rWthaiiclnee.r toapienr atainodn al finandciisarlu phtaiveoemn esr gseidnt chee tnh,ee x teanntdd uraotfit ohnei imrp accotn titnobu ede i ffitcoau slcte rtain givtehnee v olgveionpgo lsiittiucaatli on. 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Thiwsa se vidfernottmh deo mesmtaircks ehta orfe6 5.4m%a intabiytn hecedo mpainnty h fei qrusatr otffe irs 2c0a2l7 . lndihGaoas l scoo nsismtaeinnttlaaypi ansesde lnogaefdra c(tPoLroF fa) b o8v0e% o vesre veyreaaltr hsr oJuugnh2e 0 26. lndiGoop'esr aitnicnogim nec reaarsoeud2n 0d% o n-yteoaR rs2 4,5c8r4o irnte h fei rqsuta rotffe irs 2c0a2la7 n di s expecttore edc osridm iglraorwr tahtf eof ri s2c0a2lT7 h.iw sic loln titnobu ese u ppobryti endc reyaiseilfndlgse a,ed td itions anldo bwa soefp revifoiusIscn ta hlfe.i qrusatr otffe irs 2c0a2la7 v,a ilsaebakltie l om(eAtSrKeiMsn) c retao4s ,e3dc4 r8o re kmf ro4m, 2c2r6o krmes ampee riporde vifoiussac latlh,o wuigthhhi, g hyeireP lLdFm, o derastleidgt ho8t 3l.y3f %r om 84.6T%h.Pe L Fm aym odersaltiegi hnft ils2yc0 a2lf7 r o8m6 %i nf is2c0a2lt6 h,o uigithes x pecttore edm ahiena lthy. 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Ther atianlgscsoo ntitnoru eef llencdti Gheoa'lsft ihnya nrciipsarklo fainldse t rolnigq uTiotdaidlte yb.it n,c luldeiansge liabiilnictrieetasosR, es 8d 1 ,5c3r1o arseo nJ un3e0 2,0 26f,r oRms 6 8,4c8r8o prree vifoiussbc eacla uosffe l eet expanasnirdou np deeep reciLaetailsoiena .b ialreiext pieecstt oie ndc refausreto hveetrrh m ee dituemr amst hceo mpany contitnoau deadsi rcNreavfte.rt hetlhceeos msp,a mnayi ntasitnreoldni gq uwiidtfihrt ceyae,s ahn edq uivoafRl se3 n9t, 039 cro(rteo ctaaslRh s:5 2,8c8r5o raeso) n J un3e0 2,0 2C6o.n sequneendtte lbtyto,E bit(deaxrc lfourdeirxne)gm ained comforatt1a .bt8li emi enfs i s2c0a2lc6 o mpawriet1dh. t 6i mperse vifoiussc al. Ther atianlgscsoo ntitnofu aec itnto hrhe i gcholmyp etaintpdir viec e-sneantsuoirftte hia evi er ilnidnuesa tswr eyla [Showing first 8,000 characters — download PDF for full document]