Texas-based Amegy Bank has selected SunGard's Kiodex Risk Workbench to assist with commodity pricing, position keeping and risk management of its energy derivatives business. Amegy selected Kiodex to complement its portfolio of offerings to its energy lending customers with the addition of energy derivatives.Amegy is an example of a significant change in energy markets over the last few years: the emergence of banks as providers of energy derivatives to companies that have financial exposure