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. AccordCirnigRslaiytl,i wnigclsol n titnomu oen idteovre loprmeelnatttsote hdce o nfilniccltu,md oivnegm einnat vsi ation turbfiune(elA TpFr)i cfoerse,ie gxnc ha(nfgoer reaxt)pe ost,e ndtiisarlu pttoii notnesr noapteiroantatilho rnofsul gihg ht cancelloarrt oiudotinevs e rsainotdnh psea, c oefn ormaliisnta hteipsoaenr ameitmeprasc,tt hioenp ge raetnivnigr onment. Thiem paocftt h efsaec toonlr nsd ibGuos'isn reispssrk o fpirloef,i tcaabsfihll oiawtnsydd ,e bptr otemcettirowinicr lsel m ain kedye termionfta hrneat tsai cntggi ooinfon rgw ard. Ther e-escaolfta htceio onnfi lnWi ecstAt s ihaa sl etdo a renewiendc reiancs reu odieal n dAT F pricwehsi,al les o heightreinsfoikrnis gn ternoapteiroantIainlJo unl2sy0. 2 g6l,o cbraulpd rei hcaemdso derattobe edl $o8w0p ebra rarmeild expectoafte iaosnigsne go poltietnisciHaoolnw se.vfo elrl,o wtihnrege ceenstc alactriuoodniep,l r iciensc retaoos veedr $10p5 ebra rarseo lfS eptem2b0e2rG6 i.v tehnaf tuc eols ttysp iaccaclolfuyon 3rt5 -4o0fl% n dioGpoe'rsa etxipnegn ses, sustaeilneevdai tnAi ToFpn r icceosue lxde prrte ssounor pee raptrionfgi taanbddi elbpitrt oyt emcettiroAinlc tsh.o tuhgeh compahnayis n trofduuseculer dc haorndg oemse satniidcn ternraotuittoeomns ia tli tghaietm ep aocfht i ghfeucreo ls tthse, extetnowt h icthh esaed ditcioosnctaasln b ep assoendw ithmoautte raiffaelcltypi ansgs endgeemra nrde mains monitorable. Furtherhmeoirgeh,tg eenoepdo luintciecrathlaa isrn etsyu litnie ndc revaosleadti infol rietmxya rkeTthser. u peaef,t er deprectioaR ts9i 6n.g5 /aUpSpDr,e ctioRa st9 e4d. 5/aUsSo DnS eptem5b,2e 0r2 s6u,p pobrytv eadr igoouvse rnment measurbeusstu; b sequweenatkleyan geadti onR s9 5.8/aUsSo DnS eptem1b5e2,r0 2S6u.c vho lahtiiglhilttiyhg eh ts contiunnucienrgt aarionuctnuydr remnocvye meAnntyss h.a rper-thadne-perxepceoicftat htereidu o pnce oeu alddv ersely affecltn diGfoi'nsa nrciispakrl o fgiilveet,nh ec ompansyi'zse aUbSlOe- denomlienaaslteie adb ialnidot pieersa ting expenTsherese .s ulitmapnaotcnp t r ofitlaebvielraiantcgdyae , sf hl owwisrl elm amionn itorable. Givtehnce o ntiunnucienrgt raeignatrtydh itenr ga jeocfft uoperrlyi cceusr,r emnocvye meanntdis n ternoapteiroantailo ns, CriRsaitli bneglsi ieitvsa e psp roptroci oantteit nhrueae t ionn'g Wsa twcihtD he veloIpmipnlgi caantidiw toi nrlsel'a ,s sess threa tuipnoggn r eactlearer mietryg ointn hge fsaec taonrtdsh esiurs taiimnpeaodcn tt h ceo mpacnrye'pdsri otf ile. Neverthtehrleae tsiscn,og nst itnoru eef llencdtie Gsot'asb lmiasrhkpeeodts iitnti hoIenn daivaina itnidounas str reyf,l ected ini tdso mesmtaircks ehta orfae r ou6n4d%i nf is2c0a2lT6 h.ce o mpamnayr'kspe ots iitsei xopne cttore edm asitnr oonvge r thmee dituemr smu,p pobryti etsdst reamolpienreamdto idnehgle ,a lptahsys ednegmearan nddc o ntifnlueaeeddtd itions. 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. Earnibnegfosri en tetraexsdetes,p, r ecaimaotritoinas,na rdte in(otEn b itedxacrl;uf doirnmegax r)g miond eratto1e 5d. 9i%n thfei qrusatr otffe irs 2c0a2lf7 r oamr ou2n7d%s ampee riporde vifoiussac nadil s,e xpecttore edm asiunb duienfd i scal 202b7e cauosfhe i ghfeurce ols Ftuse.el x penisnecsr etao4s 4e%do fo peraitnicnogim nte h fei qrusatr otffe irs 2c0a2l7 fro2m8 .5i%nt hfei rqsuta rtoefrf is2c0a2l6W .h iltehce o mpahnaysi ntrodfuuceselud r chaorngd eosm esatnidc internraotuitoientasasb,l i tloif tuylp layst sh rohuigghh feurec lo srtesm acionnss trbayit nhceeod m petaintdpi rviec e­ sensintaitvuoerft e h aei rliinndeu srtersyu,li tnpi rnegs sounor pee ramtairnggAi nnyf. u rtihnecrr eianas ier faanrdie tss impaocnpt a ssednegmearwn idrl elm amionn itorable. 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]