National Institutes of Health, Office of Procurement Management, 6011 Executive Blvd., Rockville, Maryland 20892-7260

J -- EXERCISE FOURTH OPTION UNDER EXISTING CONTRACT TO PROVIDE FOR PREVENTIVE MAINTENANCE AND REPAIR OF GOVERNMENT-OWNED JEOL ELECTRON MICROSCOPES LOCATED AT THE NATIONAL INSTITUTES OF HEALTH (NIH), BETHESDA, MD AND OTHER NIH FACILITIES WITHIN A 50-MILE RADIUS OF THE BETHESDA, MD CAMPUS FOR THE PERI POC Catherine Hiltner, Contracting Officer, (301) 402-3063 CNT Modification No. 4, Contract No. 263-96-0101 AMT $203,514.00 DTD 091499 TO JEOL U.S.A., Inc., 11 Dearborn Road, Peabody, MA 01961-6043 Posted 09/14/99 (W-SN380162). (0257)

Loren Data Corp. http://www.ld.com (SYN# 0369 19990916\J-0003.AWD)