MICREX DEVELOPMENT CORP.

A mineral exploration and development company operating in Canada and the United States

TSX Venture Exchange symbol "MIX"
SEC 12 g (3) Exemption 82-4281

For immediate release

March 15, 2005

Burmis winter environment study completed

Micrex announced today that field crews have recently completed a winter study of the Burmis Area in Southwestern Alberta.

With the co-operation of local landowners, industry experts carried out detailed studies of land, water and wildlife in the Burmis area.

This study will be combined with the studies announced in an earlier press release to be part of the revised mining permit submission that Micrex is working on.

These studies are comprehensive field and academic research efforts that are key elements of Micrex’s mine proposal and are critical to the approval process.

Studies include many factors including wildlife, plants, air and water quality and ambient noise levels among other data and will ensure that the revised mine permit application will be a complete and comprehensive document.

No issues have been identified that could interfere with mine permitting.

Micrex continues to fine-tune its mine proposal utilizing the data compiled by independent industry experts during the ongoing study period.

Further information may be obtained from Perry Meszaros or S.E. Marshall at (780) 448-0922
or email at mixinfo-1@micrex.net

MICREX DEVELOPMENT CORP.

Peace River Diamond Property • Burmis Magnetite/Titanium Property • St. Charles de Bourget Magnetite/Titanium Property • Fort Steel Placer Property • Bighorn Gold Mine • Banks Gold Mine • Mount Royal Gold Mine • Deadwood Gold Mine • Sunburst Gold Property

THE TSX VENTURE EXCHANGE HAS NOT REVIEWED AND DOES NOT ACCEPT RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

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