American pair Hicks and Gillett beat off competition from DIC to take over Liverpool in February 2007 and own 50% each.
But since then, they have become increasingly unpopular among Reds fans, drawing criticism for their treatment of manager Rafael Benitez and their financial management of the club.
Dubai International Capital has recently revived its interest in the club but to take control, it must buy all of one man's shares along with at least some of the other's.