Brief: Rockhopper Exploration Announces Placing To Raise Up To $140 Mln
July 31 (Reuters) - Rockhopper Exploration PLC RKH.L: ROCKHOPPER EXP PLC - CONDITIONAL £140M PLACING AND PROPOSED OPEN OFFER ROCKHOPPER EXPLORATION PLC - PLANS OPEN OFFER FOR SHAREHOLDERS AT 53 PENCE Source text: ID:nRSe3624Ta Further company coverage: RKH.L ((( Reuters.Briefs@thomsonreuters.com );))