 Shortly before the A1 Ring round, Ananda Mikola's sponsorship money was slow to arrive to Astromega and a poor performance resulted in his replacing by Dino Morelli for the next four events.Enrico Toccacelo later drove in Morelli's place for the rest of the season.Stéphane Sarrazin made a one-off appearance for Prost at the Monaco round as a replacement for Nicolás Filiberti, who was absent due to "personal issues".