EX-1 3 dex1.txt OFFICERS & DIRECTORS OF PURCHASER & PARENT CUSIP NO. 984138107 13D PAGE 10 OF 11 PAGES Exhibit (1) of Schedule 13D EXECUTIVE OFFICERS AND DIRECTORS OF PURCHASER AND PARENT The following description sets forth (i) the name and title of each executive officer and director of each of Purchaser and Parent, and (ii) each such individual's business address and present principal occupation. Unless otherwise specified, each person listed below is a citizen of the United States and has his or her principal business address at 1440 Kiewit Plaza, Omaha, Nebraska 68131. A. Directors and Executive Officers of Purchaser The sole director of Purchaser is Marc D. Hamburg, and the sole executive officer of Purchaser is Marc D. Hamburg, President, Secretary and Treasurer. B. Directors and Executive Officers of Parent The Directors of Berkshire Hathaway Inc. are Warren E. Buffett, Charles T. Munger, Susan T. Buffett, Howard G. Buffett, Malcolm G. Chace, Ronald L. Olson, and Walter Scott, Jr. The executive officers of Berkshire Hathaway Inc. are Warren E. Buffett, Chairman and Chief Executive Officer, Charles T. Munger, Vice Chairman, and Marc D. Hamburg, Vice President and Treasurer.
--------------------------------------------------------------------------------------------------------------------------------- Name Present Principal Occupation or Employment and Business Address ---- --------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------------- Warren E. Buffett....................... Chairman and Chief Executive Officer of Berkshire. --------------------------------------------------------------------------------------------------------------------------------- Charles T. Munger....................... Vice Chairman of Berkshire's Board of Directors. His business address is 355 S. Grand Avenue, 34th Floor, Los Angeles, California 90071. --------------------------------------------------------------------------------------------------------------------------------- Howard G. Buffett....................... Chairman of the Board of Directors of The GSI Group. His business address is 1004 East Illinois Street, Assumption, Illinois 62510. --------------------------------------------------------------------------------------------------------------------------------- Susan T. Buffett........................ A Director of Berkshire since 1991. She is not otherwise employed. --------------------------------------------------------------------------------------------------------------------------------- Malcolm G. Chace........................ Chairman of the Board of Directors of BankRI. His business address is One Providence Washington Plaza, Providence, Rhode Island 02903. --------------------------------------------------------------------------------------------------------------------------------- Marc D. Hamburg......................... Vice President and Treasurer of Berkshire. --------------------------------------------------------------------------------------------------------------------------------- Ronald L. Olson......................... A partner in the law firm of Munger, Tolles & Olson LLP. His business address is 355 S. Grand Avenue, 35th Floor, Los Angeles, California 90071. --------------------------------------------------------------------------------------------------------------------------------- Walter Scott, Jr........................ Chairman of the Board of Level 3 Communications, Inc. His business address is 1025 Eldorado Blvd., Broomfield, Colorado 80021. ---------------------------------------------------------------------------------------------------------------------------------