Quarterly backlog improvement of 31.4%

54% jump in request for quotations and new services launched to drive double-digit revenue growth in local currencies in the first quarter of 2010.

LAVAL, QC, March 31, 2010 - LAB Research Inc. ("LAB Research" "LRI" or the "Company") (TSX: LRI), a global Canadian-based non-clinical contract research organization, today announced its fourth quarter and 2009 year-end financial results.