From a press release issued by FIM:

Road Racing World Championship Grand Prix

Valencia Grand Prix: wild-card riders

125cc class:

51 – Alvaro Bautista, SPA – Aprilia, Team Atietico de Madrid

52 – Julian Simon, SPA – Honda, Telefonica Movistar Jr. Team

59 – Vincent Braillard, SUI – Honda, Team Philippe Coulon

71 – Ruben Catalan, SPA – Aprilia, MIR Racing

98 – Chris Peris, CDN – Honda, Bikecards.com

250cc class:

34 – Eric Bataille, FRA – Honda, Cibertel Honda BQR

38 – Alvaro Molina, SPA – Yamaha, Kolmer Racing Team

39 – Luis Manuel Castro Garcia, SPA – Yamaha, Cordoba Patrimonio Human

74 – Angel Rodriguez, SPA Aprilia, PS Racing Team

90 – Chuck Sorensen, USA – Aprilia, Team Stargel Aprilia

MotoGP class:

29 – David Garcia, SPA – Proton, Proton Team KR

84 – Andrew Pitt, AUS – Kawasaki, Kawasaki Racing Team