Its same PMS you mentioned in the brief.......
Orange : Pantone 1655 C (Solid Coated)
Blue : Pantone 295 C (Solid Coated)
Let me know if i am wrong....
After selecting a winner.....you will get .eps file which is open vector file. You can open it in Adobe Illustrator CS3+ and can change any color you want :)
Feel free to let me know if you have any concerns
thanks
pg