CenterState Bank Corporation (CenterState or company), the parent company of CenterState Bank, N.A., and Charter Financial Corporation (Charter), the parent company of CharterBank, announced the signing of a definitive agreement and plan of merger pursuant to which Charter will merge with and into CenterState. Immediately upon completion of the merger, CharterBank will merge with and into CenterState Bank, N.A. Upon completion of the merger, Lee Washam, President of CharterBank, will join CenterState as Regional President for Georgia.