Stewart | 
| Team info | Kørere | Point | |
   | |||
| Dato | Grand Prix | Kører | Point | 
| 07-03-1999 | Australiens | Rubens Barrichello | 2 | 
| 02-05-1999 | San Marinos | Rubens Barrichello | 4 | 
| 13-06-1999 | Canadas | Johnny Herbert | 2 | 
| 27-06-1999 | Frankrigs | Rubens Barrichello | 4 | 
| 15-08-1999 | Ungarns | Rubens Barrichello | 2 | 
| 12-09-1999 | Italiens | Rubens Barrichello | 3 | 
| 26-09-1999 | Europas | Johnny Herbert | 10 | 
| 26-09-1999 | Europas | Rubens Barrichello | 4 | 
| 17-10-1999 | Malaysias | Johnny Herbert | 3 | 
| 17-10-1999 | Malaysias | Rubens Barrichello | 2 |