Polymer maker Itaconix PLC (LON:ITX) has promoted its finance and operations director to the role of chief financial officer. Laura Denner, who joined Itaconix as its financial controller in 2013, will take over from the departing Michael Norris on 1 September.

Adamas Finance Asia Ltd (LON:ADAM) has completed the second stage of a joint investment in a luxury ski resort development in Japan.

Premier African Minerals Ltd (LON:PREM) said it will ask shareholders to approve the sale of its interest in Circum Minerals Ltd as part of a possible fundraise.

Alba Minerals Resources Plc (LON:ALBA), in its interim results, highlighted the Clogau Welsh gold project and the Horse Hill oil project as key assets with the shortest route to success.

US Oil & Gas Plc (USOP) has issued a statement revealing it has raised US$382,482 for working capital.