Micrex Development Corp.: First Closing of Financing Announced

Micrex Development Corp. (TSX VENTURE:MIX)

The Company announced the first closing of its previously announced private
placement. The Company issued 1,045,668 Units at $0.15 per Unit for gross
proceeds of $156,850.20 and 2,450,000 Flow-through Shares at $0.20 per share for
gross proceeds of $490,000. Each Unit consists of one (1) common share and one
(1) common share purchase warrant. Each warrant entitles the holder to subscribe
an additional common share at an exercise price of $0.30 for a period of 18
months from closing. Proceeds will be used for assessment on the Company's
magnetite and apetite property in Quebec and for working capital. The securities
issued on this closing are subject to trading restrictions until July 10, 2012. 


EMD Financial Inc ("EMD") of Montreal Quebec is acting as agent for this private
placement and received commissions of $51,748 and 83,654 broker warrants
entitling it to acquire additional common shares for 18 months at a subscription
price of $0.15 per share. 


Micrex Development Corp. (TSX VENTURE:MIX) is a mineral exploration company
based in Alberta, Canada with mining properties in North America. Current focus
is on the St. Charles de Bourget magnetite / titanium / apatite property in
Quebec.


MICREX DEVELOPMENT CORP. 

Burmis Magnetite/Titanium Property - St. Charles de Bourget
Magnetite/Titanium/Rare Earth Property - Fort Steele Placer Property - Bighorn
Gold Mine - Mount Royal Gold Mine - Deadwood Gold Mine - Sunburst Gold Property


WARNING: the Company relies upon litigation protection for "forward looking"
statements. The information in this release may contain forward-looking
information under applicable securities laws. This forward-looking information
is subject to known and unknown risks, uncertainties and other factors that may
cause actual results to differ materially from those implied by the
forward-looking information. Factors that may cause actual results to vary
material include, but are not limited to, inaccurate assumptions concerning the
exploration for and development of mineral deposits, currency fluctuations,
unanticipated operational or technical difficulties, changes in laws or
regulations, the risks of obtaining necessary licenses and permits, changes in
general economic conditions or conditions in the financial markets and the
inability to raise additional financing. Readers are cautioned not to place
undue reliance on this forward-looking information. The Company does not assume
the obligation to revise or update this forward-looking information after the
date of this release or to revise such information to reflect the occurrence of
future unanticipated events, except as may be required under applicable
securities laws.


SEC 12 g (3) Exemption 82-4281