EXHIBIT 99.1 ITRON, INC. NONQUALIFIED STOCK OPTION LETTER AGREEMENT TO: Michael Chesser We are pleased to inform you that you have been selected by Itron, Inc. (the "Company") to receive a nonqualified stock option for the purchase of 158,975 shares...Nonqualified Stock Option Agreement • September 3rd, 1999 • Itron Inc /Wa/ • Radio & tv broadcasting & communications equipment
