The London-listed junior last month launched a strategic review after its former chairman and major shareholder Kazakh businessman Maksat Arip, who holds a 30.17% stake, expressed an interest in a buyout earlier this year.

“Interested parties have entered into non-disclosure agreements with the company and have commenced due diligence,” Exillon said in a statement on Wednesday.

Potential bidders now have access to a data room and will enter into talks with Exillon management under a formal sale process ahead of submitted offers for the company, expected before the Christmas period.

However,