Live feed07:00:00·866dPRReleasevia QuantisnowTETRA TECHNOLOGIES, INC. ANNOUNCES APPOINTMENT OF ANGELA D. JOHN TO ITS BOARD OF DIRECTORSByQuantisnow·Wall Street's wire, on your screen.BP· BP p.l.c.TTI· Tetra Technologies Inc.WMB· Williams Companies Inc.EnergyUtilities