Defense Supply Center Philadelphia, Attn: DSCP-FO, 2800 S. 20th Street, Philadelphia, PA 19145

42 -- RESPIRATION EQUIPMENT SOL SP0100-99-R-4018 DUE 020799 POC S. Green (215) 737-2447 Submission Number 280748, dated December 16, 1998, is modified as follows: Delete all reference to "four (4) option years." Duration of the contract will be one (1) year. All other data previously submitted remains unchanged. Posted 01/06/99 (W-SN285639). (0006)

Loren Data Corp. http://www.ld.com (SYN# 0218 19990108\42-0004.SOL)