EVERTON owner Farhad Moshiri wants £50million - including annual payments for the next 10 years - to walk away from the club.
The Iranian businessman has spent more than £900m on Everton over the last eight years and is desperately trying to regain some of his losses.
US investors The Friedkin Group became the third company to withdraw from a bid to buy Everton in 12 months earlier this week, leaving British firm Vici Private Finance as the new frontrunners.
However, there are other bidders interested in buying Everton.
That's mainly because their new stadium at Bramley Moore Dock has almost been completed, with club officials describing it as a £1billion asset.
Previous exclusive negotiations with MSP Sports Capital and 777Partners also collapsed without the club closing a deal.
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Everton have eye-watering debts of around £550m - The Friendkin Group alone are owed £200m - with Moshiri's demands taking the club's valuation to £600m.
SunSport has learned that one of the bidders offered Moshiri a £25m payment up front, plus further annual fees of £2.5m for the next 10 years.
Another bidder is understood to have offered a lower up-front fee followed by annual payments of £4m.
Moshiri is could also receive additional bonuses based on Everton's future success, and the profitability of the stadium.
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Everton have announced a record £20m kit deal with Castore this summer.
They are also about to enter negotiations over stadium naming rights.
However, the Friedkin Group's exit from the takeover battle put Everton at risk once again of administration and a big points deduction - unless they can sort out new ownership soon
A statement from Friedkin said: "Following a period of exclusivity, discussions between Blue Heaven Holdings and The Friedkin Group over a potential sale of a majority stake in Everton have ended and The Friedkin Group will not be progressing with a purchase of the Club.
"Both Blue Heaven Holdings and The Friedkin Group entered discussions in good faith to explore whether a sale could be agreed.
"Those discussions have concluded. The parties agree it is in both their interests for Everton to explore alternative options."