Al Ahli
The former Liverpool forward scored twice in the opening 10 minutes before another strike in the 72nd for his treble sealed the three points for the newly-promoted team.
Financial details were not revealed, but British media reported the Premier League champions have accepted an offer from the Saudi side worth 35 million euros ($38.53 million) plus five million in add-ons.
Al Ekhbariya said on Twitter that Mahrez has become Al-Ahli's latest signing but did not provide further details. The Jeddah-based club have yet to make a formal announcement.
Hegazi underwent COVID-19 test in England and he is expected to arrive in Saudi Arabia in the next few hours.
Al Hilal will face Tunisian side, Etoile du Sahel, in the final at Hazza bin Zayed Stadium in Al Ain on Thursday 18 April.
Al-Ahli squad includes seven foreign players and four of them are expected to leave the club.
An Egyptian criminal court had added the retired footballer to the country’s terrorist list in January 2017 for alleged links to the Muslim Brotherhood.
SIPG went down 2-1 to Melbourne Victory in their final Group F game but the result was academic since the Chinese had already secured top spot.
Al-Hilal striker, Carlos Eduardo scored the first goal for Al-Hilal at 42th minute after a great cross from Nicolas Milesi