Exhibit 4.8 WARRANT AGREEMENT THIS WARRANT AGREEMENT, dated as of February 11, 2000, by and between CHROMATICS COLOR SCIENCES INTERNATIONAL, INC., a New York corporation (the "Issuer"), and LB I GROUP INC. (Lehman Brothers Group Inc.), a Delaware...Warrant Agreement • March 31st, 2000 • Chromatics Color Sciences International Inc • Laboratory analytical instruments • New York
