March 14 (Reuters) - Westpac Banking Corp WBC.AX
* deputy chief executive officer Phil Coffey has decided to retire
* Coffey will leave Westpac Group on 31 may 2017
* Coffey will continue in his role as chairman of Westpac Bicentennial Foundation Source text for Eikon: ID:nASX6B9gct Further company coverage: WBC.AX