0452 GMT January 21, 2019
Mubarak, 86, toppled in a 2011 popular uprising, was sentenced to three years in prison last May and his two sons were given four-year jail terms in the same case, Reuters reported.
In January, Egypt's high court overturned the conviction against Mubarak, who is currently being treated in a military hospital in Cairo.
Egyptian state television aired brief footage of Mubarak and his sons inside a cage in the courtroom in the Police Academy.
In November, a court dropped charges against Mubarak of conspiring to kill protesters in the 2011 uprising, raising fears among human rights campaigners that the old guard was making a comeback.
In January an Egyptian court ordered the release of Mubarak's sons pending the corruption retrial.