Brief: Sig Says Gavin Slark Resigns As CEO
May 9 (Reuters) - SIG PLC SHI.L: SIG PLC - GAVIN SLARK RESIGNS AS CEO OF SIG PLC SIG PLC - INITIATES SEARCH FOR NEW CEO Source text: ID:nRSI9839Ha Further company coverage: SHI.L ((Reuters.Briefs@thomsonreuters.com;))