EXHIBIT 99.1 AGREEMENT dated as of April 28, 1997 among Tweedy, Browne Company L.P., a Delaware limited partnership ("TBC"), TBK Partners, L.P., a Delaware limited partnership ("TBK"), and Vanderbilt Partners L.P., a Delaware limited partnership...Agreement • April 29th, 1997 • Tweedy Browne Co L P • Fire, marine & casualty insurance
