TORONTO (Feb. 28, 2008) - Student Transportation of America Ltd. ("STA")
and Canadex Resources Limited ("Canadex") announced today that STA has,
through its wholly-owned subsidiary, 2154742 Ontario Limited, acquired all of
the outstanding common shares of Canadex not acquired under STA's takeover
offer made on December 10, 2007, pursuant to the compulsory acquisition
provisions under the Business Corporations Act (Ontario). STA has now acquired
a total of 5,811,005 Common Shares, representing 100% of the Common Shares of
Canadex.

With the completion of the compulsory acquisition, the common shares of
Canadex have been de-listed from the Toronto Stock Exchange as of the close of
trading on February 27, 2008. Canadex has applied to securities regulators to
cease to be a reporting issuer under Canadian securities laws which, if
granted, will relieve Canadex from its public reporting obligations.