EXHIBIT 99.3 NONQUALIFIED STOCK OPTION AGREEMENT THIS AGREEMENT, made as of the 1st day of March, 1998, by and between NOONEY REALTY TRUST, INC., a Missouri corporation (hereinafter called the "Company"), and WILLIAM J. CARDEN (hereinafter called...Nonqualified Stock Option Agreement • July 2nd, 1998 • Carden William J • Real estate investment trusts
