LONDON & LOS ANGELES--(BUSINESS WIRE)--Crescent Capital Group LP, a leading investment firm focused on below investment grade credit, announced today that its Crescent European Specialty Lending strategy co-led the financing for Exponent Private Equity’s acquisition of The BBI Group, a Cardiff, U.K.-based company specializing in products and technologies in the diagnostics, healthcare, research, defense and food industries, from Waltham, Massachusetts-based Alere, Inc. EQT Credit and Babson Cap