0001091818-04-000440 Sample Contracts

STOCK PURCHASE AGREEMENT Between HUMAN BIOSYSTEMS ("TARGET COMPANY") and LANGLEY PARK INVESTMENTS PLC July 29, 2004
Stock Purchase Agreement • December 9th, 2004 • Human Biosystems Inc • Services-commercial physical & biological research • New York
ESCROW AGREEMENT
Escrow Agreement • December 9th, 2004 • Human Biosystems Inc • Services-commercial physical & biological research • New York