The company further announced it had increased its interest in Eureka to 18.53% ahead of the offer close date of 15 June.

The price of 45 cents remains unchanged from the initial bid price in April, valuing the company at A$107 million – one which Eureka directors consider undervalues the company.

Eureka told the Australian Securities Exchange this morning that Lonestar had proposed an all scrip merger which would have seen Eureka acquire the US company.

It