Press release

RNS Number : 6392J Riverstone Energy Limited 18 December 2015  Price Monitoring ExtensionToday's closing auction call period has been extended in this security by 5 minutes.Auction call extensions give London Stock Exchange electronic order book users a further opportunity to review the prices and sizes of orders entered in an individual security's closing auction call before the execution occurs. A price monitoring extension is activated when the matching process would have otherwise resulted in an execution price that is a pre-determined percentage above or below the price of the most recent automated execution today.The applicable percentage is set by reference to a security's Millennium Exchange sector. This is set out in the Sector Breakdown tab of the Parameters document at www.londonstockexchange.com/tradingservicesThis information is provided by RNSThe company news service from the London Stock Exchange  END  PMEBLBDDUXBBGUI