Provisional entry list
#2 – Ryan Briscoe – Team Penske – Chevrolet (Sydney, Australia)
#3 – Helio Castroneves – Team Penske – Chevrolet (Sao Paulo, Brazil)
#4 – JR Hildebrand – Panther Racing – Chevrolet (Sausalito, US)
#5 – EJ Viso – KV Racing Technology – Chevrolet (Caracas, Venezuela)
#6 – Katherine Legge* – Dragon Racing – Lotus (Guildford, England)
#7 – Sebastien Bourdais – Dragon Racing – Lotus (Le Mans, France)
#8 – Rubens Barrichello * – KV Racing Technology – Chevrolet (Sao Paulo, Brazil)
#9 – Scott Dixon – Target Chip Ganassi Racing – Honda (Auckland, New Zealand)
#10 – Dario Franchitti – Target Chip Ganassi Racing – Honda (Edinburgh, Scotland)
#11 – Tony Kanaan – KV Racing Technology w/SH – Chevrolet (Salvador, Brazil)
#12 – Will Power – Team Penske – Chevrolet (Toowoomba, Australia)
#14 – Mike Conway – A.J. Foyt Enterprises – Honda (Bromley, England)
#15 – Takuma Sato – Rahal Letterman Lanigan – Honda (Tokyo, Japan)
#17 – Sebastian Saavedra – AFS Racing/Andretti Autosport – Chevrolet (Bogota, Colombia)
#18 – Justin Wilson – Dale Coyne Racing – Honda (Sheffield, England)
#19 – James Jakes * – Dale Coyne Racing – Honda (Leeds, England)
#20 – Ed Carpenter – Ed Carpenter Racing – Chevrolet (Indianapolis, US)
#21 – TBA – Ed Carpenter Racing – Chevrolet
#22 – Oriol Servia – Dreyer & Reinbold Racing – Lotus (Pals, Spain)
#25 – Ana Beatriz – Andretti Autosport/Conquest Racing – Chevrolet (Sao Paulo, Brazil)
#26 – Marco Andretti – Andretti Autosport – Chevrolet (Nazareth, US)
#27 – James Hinchcliffe – Andretti Autosport – Chevrolet (Toronto, Canada)
#28 – Ryan Hunter-Reay – Andretti Autosport – Chevrolet (Fort Lauderdale, US)
#38 – Graham Rahal – Service Central Chip Ganassi Racing – Honda (New Albany, US)
#39 – Bryan Clauson * – Sarah Fisher Hartman Racing – Honda (Noblesville, US)
#41 – Wade Cunningham * – A.J. Foyt Racing – Honda (Auckland, New Zealand )
#45 – TBA – Rahal Letterman Lanigan – Honda
#67 – Josef Newgarden * – Sarah Fisher Hartman Racing – Honda (Hendersonville, US)
#77 – Simon Pagenaud * – Schmidt-Hamilton Motorsports – Honda (Poitiers, France)
#78 – Simona de Silvestro – Lotus-HVM Racing – Lotus (Thun, Switzerland)
#83 – Charlie Kimball – Novo Nordisk Chip Ganassi Racing – Honda (Camarillo, US)
#98 – Alex Tagliani – Bryan Herta Autosport w/Curb-Agajanian – Lotus (Lachenaie, Canada )
#99 – TBA – Sam Schmidt Motorsports – Honda
#TBA – TBA – Newman/Haas Racing – Lotus
* denotes oval rookie
