Salah Abdeslam, in custody in France over the November 2015 attacks that left 130 people dead, has refused to cooperate with French judges ever since his arrest five months after the atrocities.
A Brussels court on April 23 sentenced Ayari and Abdeslam to 20 years in prison for trying to kill police officers.
The court in the Belgian capital said "there can be no doubt" about jihadist Salah Abdeslam and his co-defendant Sofiane Ayari's involvement in extremism.
The prime surviving suspect in the Islamic State attacks in Paris that killed 130 people refused to answer questions when his trial for a later shooting incident opened on Monday in Belgium.
Paris attacks suspect Salah Abdeslam's lawyer asked on Wednesday for his client's trial in Belgium to be postponed from next week's opening, a source close to the investigation said.
Belgium has ordered Paris terror suspect Salah Abdeslam and another man to stand trial over a police shootout with Belgian police last year, prosecutors said on Thursday.
Lawyers for the main suspect in the Paris attacks, Salah Abdeslam, said that they will no longer defend him, speaking during a TV interview on Wednesday.
A French court charged Paris attacks suspect Salah Abdeslam over his role in the November 2015 carnage that left 130 dead, just hours after his extradition from Belgium.
Key Paris attacks suspect Salah Abdeslam was charged with attempted murder over a deadly shootout with police in Brussels a week before the suicide bombings in the Belgian capital.
Belgian judicial authorities approved the extradition to France of Paris attacks prime suspect Salah Abdeslam, prosecutors said, adding that a date for the transfer had not been set.
Belgian police shot a suspect as part of a huge European terror crackdown that yielded several arrests Friday as France's president said a jihadist network that targeted both Paris and Brussels was being "destroyed".