I3 Mobile (IIIM) 10-K 2002 FY Annual report

Exhibit 99.1

CERTIFICATION PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K of i3 Mobile, Inc. (the “Company”) for the year ended December 31, 2002 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J. William Grimes, Chief Executive Officer of the Company, certify, pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/S/  J. WILLIAM GRIMES
Name:	J. William Grimes
Title:	Chief Executive Officer

April 8, 2003