June 10 (Reuters) - Calfrac Well Services Ltd CFW.TO :
* CALFRAC ANNOUNCES CEO RETIREMENT AND NEW SENIOR MANAGEMENT APPOINTMENTS
* FERNANDO AGUILAR, CALFRAC'S PRESIDENT AND CHIEF EXECUTIVE OFFICER, WILL BE RETIRING FROM COMPANY.
* SAYS RONALD P. MATHISON APPOINTED CHAIRMAN OF THE BOARD
* GREG FLETCHER HAS BEEN APPOINTED TO SERVE AS CALFRAC'S INDEPENDENT LEAD DIRECTOR.
* LINDSAY LINK, CALFRAC'S CHIEF OPERATING OFFICER, HAS BEEN PROMOTED TO PRESIDENT AND CHIEF OPERATING OFFICER