Members of the upper chamber must now act on the panel's recommendation, Italy's ANSA news agency reproted.
Berlusconi, 77, did not appear before the panel to contest his possible ejection.
Italy's supreme court recently upheld Berlusconi's conviction for tax fraud. Under a 2012 law, he must lose his seat in parliament.
He has appealed the ban to the European Court of Human rights, arguing the law is being applied retroactively.