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# ^ mCFJh-TOMWiC N Alexande rVa n de rBelle n

Managin g Directo ran d Associat e Genera l Counse l Delt a Ai rLines , Inc . 121 2 Ne wYor k Avenu e N

W Washington , D

C 2000 5 202.842.418 4 sascha.vanderbellen@delta.co m Februar y24 , 201 0 Ms . Doroth yBeard Chief , Docke t Operations , iVI-S O U.S . Departmen t ofTransportatio n Wes t Buildin g Groun d Floor , Roo m W12-14 0 120 0 NewJerse yAve , S E Washington , D C 2059 0 Re : DeltaA^irgi n Blu e Grou p Antitrus t Immunit yApplicatio n Docke t DOT-OST-2009-015 5 Dea rMs . Beard : Delt a an d th e Virgi n Blu e partie s ar e submittin g dat a revise d t o includ e taxe s an d fee s i n respons e t o Orde r2009-11-2 0 (dat a questio n 2) . Additiona l detai l o n th e Join t Applicants ' proratio n methodologie s i s provide d a t Attachmen t At o thi s letter . Th e Join t Applicant s reques t confidentia l treatmen t fo rthi s data . Th e partie s adop t an d incorporat e b

yreferenc e thei rRul e 1 2 motion , file d o n Januar y15 , 2010 , whic h covers thi s an d al l material s submitte d i n respons e t o Orde r2009-11-20 . Thi s dat a i s bein g submitte d i n a seale d envelop e marke d "Confidentia l Treatmen t Requeste d unde r§ 302.12. " Acces s i s restricte d t o counse l an d outsid e expert s wh o hav e file d vali d confidentialityaffidavits . Respectfull ysubmitted . <:^^ . Alexande rVa n de rBelle n cc : Anit a Mosner , esq . Soph yChen , esq . Counse l t o th e Virgi n Blu e Partie s Servic e Lis tAttachmen t A Supplementa l Informatio n Regardin g Proratio n Methodolog y Delt a Fo rDelta' s dat a production , proratio n i s base d o n th e methodologie s use d byDelta' s Revenu e Pipelin e grou p i n th e ordinar ycours e o fbusiness . Th e bas e far e ofth e ticket , commissions , an d fue l surcharge s are prorate d acros s th e coupon s o feac h farebrea k withi n a ticke t base d o n proratio n methodologie s tha t var ywit h th e airline s involved . Delta-onl yinternationa l itinerarie s ar e prorate d usin g a weighte d mile s base d formul a designe d t o giv e more credi t t o shorte rhau l segment s a s compare d t o a straight-rat e mileag e prorate . Fo ritinerarie s tha t includ e othe rairline s (ticketed , marketed , o r operated) . Specia l Prorat e Agreement s (SPAs ) betwee n th e carriers o rindustr y proratio n rule s apply . Factors suc h a s th e carrier s involved , th e geograph yofth e passenger' s journey , an d trave l an d ticke t issu e date s ca n b e include d withi n eac h SPA . Delt a send s al l itinerarie s involvin g othe rairline s t o a 3r d partyproratio n syste m t o appl y SPAs o rindustr

yproratio n rules . Taxe s an d fee s ar e not a par t ofth e bas e fare , an d ar e therefor e not include d i n th e proratio n methodologie s tha t Delt a use s i n th e ordinar y cours e ofbusiness . However , t o compl ywit h th e Department' s requiremen t tha t th e far e amount s reporte d i n thi s dat a productio n includ e taxe s an d fees . Delt a ha s allocate d ticke t leve l taxe s an d fee s t o O&D s i n proportio n t o eac h O&D' s shar e o ftota l ticke t revenue . Virgi n Blu e Pro-rat e fo rassignin g marke t directiona l far e Al l VAustrali a ful l itinerar yfare s ar e th e combinatio n oftw o separat e one-waydirectiona l bas e fares , t o whic h applicabl e taxes , fee s an d fue l surcharge s ar e added . A s a consequence , n o issu e arise s fo rth e pro-ratio n assignmen t o fmarke t directiona l fare s fo rth e bas e far e component . Fue l surcharge s onl yappl yt o th e trans-Pacifi cleg s o fa n itinerar yan d ar e symmetrica l i n eac h direction . Othe rtaxe s an d fee s hav e bee n pro rate d i n proportio n t o th e directiona l marke t fare . Fare s fo rth e behin d o rbeyon d leg s oftrans-Pacifi citineraries , eithe rreflect :

- specia l fixe d rat e pro-rate s wit h partne rairline s o rVirgi n Blu e i n Australia , i fth e ticke t ha s bee n booke d a s a throug h ticke t o n VAustralia ; o r

- actua l fare s fo radditiona l sectors flow n o n othe rairlines , wher e th e ticke t ha s no t bee n booke d a s a throug h far e o n VAustralia .CERTIFICAT E O F SERVIC E Acop yofth e foregoin g Documen t ha s bee n serve d thi s 24 * dayofFebruary , 2010 , upo n th e followin g person s vi a email : Marshal l S . Sinic k Counse l fo rAlask a Airline s msinick@ssd.co m Car l B . Nelso n Jr . Associat e Genera l Counse l America n Airline s Inc . carl.nelson@aa.co m Joh n L . Richardso n Counse l fo rAmerije t Internationa l jrichardson@johnlrichardson.co m Angelin e Bird Sandra Lunsford Federa l Expres s Corporatio n anbird@fedex.co m sllunsford@fedex.co m Mar k Atwoo d Counse l fo rKalitt a Ai r matwood@sherblackwell.co m Thoma s V . Lydo n Kell i Brya n Evergree n Internationa l Airlines , Inc . tom.lydon@evergreen.co m charters@evergreenairlines.co m Russel l E . Pomme r Associat e Genera l Counse l & Directo ro f Regulator

yAffairs Atla s Air , Inc . rpommer@atlasair.co m Kevi n P . Montgomer

y Pola rAi rCargo , Inc . kevin.montgomery@polaraircargo.co m Lawrenc e D . Wasko ldwasko@starpower.ne t Counse l fo rArro wAir , Inc . Stephe n Lachte r lachter@starpower . ne t Counse l fo rASTA R Ai rCargo , Inc . Howard Kas s Benjami n T . Slocu m U S Airway s howard_kass@usairways.co m benjamin.slocum@usairways.co m Davi d L . Vaugha n Daniell e Fishe r Counse l fo rUnite d Parce l Servic e dvaughan@kellydrye.co m dfisher@kelleydrye.co m Hershe l Kame n Da n Weis s Continenta l Airline s hkamen@coair.co m dan.weiss@coair.co m Jeffre yA . Manle y Juli e Oettinge r Unite d Airline s jeffrey.manley@united.co m julie.oettinger@united.co m Mar k McMilli n Assistan t Genera l Counse l Worl d Airway s Inc . mcmillin@woa.co m Malcol m Beng e mlbenge@zsrlaw.co m Counse l fo rWorl d Airway s Inc . Jonatha n B . Hil l jhill@dlalaw.co m Counse l fo rHawaiia n Airlines , In cJoh n Byerl y

DeputyAssistan t Secretar yfo rTransportatio n Affairs U.S . Departmen t ofStat e byerlyjr@state.go v Joh n Alle n Federa l Aviatio n Administratio n john.allen@faa.go v Tod d Homa n Pete rIrvin e Christophe rMande l U.S . Departmen t o fTransportatio n todd.homan@dot.go v peter.irvine@dot.go v christopher.mandel@dot.go v Jil l Ptace k U.S . Departmen t o fJustic e Jill.Ptacek@usdoj.go v