L to R, Chair of Mighty River Power Joan Withers, Minister of Finance <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Bill+English&family=editorial&specificpeople=772458 ng-click='$event.stopPropagation()'>Bill English</a>, NZX CEO Tim Bennett and Minister for State Owned Enterprises Tony Ryall pose during the listing of Mighty River Power at NZX on May 10, 2013 in Wellington, New Zealand. Mighty River Power is one of several state owned enterprises being partially sold by the Government to raise capital.