First Guaranty Bank, a financial holding company, agreed to acquire Lone Star Bank, a bank holding company. Financial terms were not disclosed. “We are excited to welcome Lone Star Bank customers and staff into our corporate family. First Guaranty Bank’s philosophy and goal is to have a strong presence in the communities we serve and to be a strong contributor to the communities. We look forward to spreading this philosophy in the Houston market,” Alton J. Lewis, FGB Vice-Chairman, President and CEO.