Exhibit 10.16 DEL WEBB CORPORATION SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN NO. 2 LIST OF PARTICIPANTS Larry W. Beckner Joseph F. Contadino John H. Gleason LeRoy C. Hanneman, Jr. Robertson C. Jones Anne L. Mariucci Donald V. Mickus John M. Murray Frank D. Pankratz David E. Rau Charles T. Roach David G. Schreiner M. Lynn Schuttenberg John A. Spencer Richard L. Vandermeer Robert R. Wagoner