Those convicted were accused of attacking a police station, and killing and mutilating at least 11 security officers. But critics of the verdict say many of those arrested were not even at the scene.
Australian Peter Greste, who spent more than a year in an Egyptian prison, was freed on Sunday. He says he remains concerned about his still-jailed Al-Jazeera colleagues.
Australian journalist Peter Greste was detained in December 2013 and imprisoned in June. He is being deported, but the fate of his two colleagues is unknown.
The ruling, which throws out an embezzlement conviction, means the former Egyptian dictator could be set free soon. Ousted four years ago, Mubarak also saw a murder conviction overturned in November.
Egypt has announced a retrial for three journalists jailed for their work. NPR's Eric Westervelt reflects on the reversal of justice in Egypt since his time covering the popular uprising at Tahrir.
It is not clear if the former strongman, who was ousted after massive anti-government protests in 2011, will walk free as he is also serving a separate 3-year sentence.
The event included the presentation of a ring and a cake featuring two of the men. After a video was posted online, one site asked, "Is This Egypt's First Gay Marriage?"
The total far surpasses the $4 billion Palestinians had said was needed after the recent 50-day war. The U.S. promised $212 million at the session, which Israel agreed not to attend.