S.i. Systems Ltd. Closes Issuer Bid

CALGARY, ALBERTA — (Marketwire) — 03/21/12 — S.i. Systems Ltd. (the "Corporation") announced today the results of its issuer bid (the "Offer") to purchase common shares in the capital of the Corporation (the "Common Shares") at a price of $2.37 per Common Share payable in cash. The Offer was made on January 27, 2011 and was varied and extended on March 7, 2012.The Offer expired at 5:00 p.m. (Calgary time) on March 19, 2012. 380,809 Common Shares have been depos