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

September 3, 2009

No Environmental Impact Assessment Required for Burmis

Micrex Development Corp. announced today that Alberta Environment has reviewed Micrex's "Project Disclosure, Environmental Assessment and Conservation and Reclamation Plan" for the Burmis Magnetite Project in South Western Alberta and has determined that no Environmental Impact Assessment (EIA) and no Screening Report will be required.

Mr. Stan Marshall, President of Micrex, said, "This decision reflects the extensive work that Micrex has done to date and is an important part of the progress to application. This confirms that addressing so many key issues prior to making application for a mining permit was the right course of action."

The Company has taken a proactive approach to the permitting process; engaging the public and government early and using the consultative process to help guide the project planning and design. Micrex has spent several years completing critical studies and consultation in preparation for its Disclosure Document. The size and scope of the "Project Disclosure and Reclamation and Conservation Plan" is evidence that even though this is a small project Micrex has made considerable effort to minimize its impact wherever possible.

Micrex is committed to the public consultation process and the changes that have been made to the project design and operations reflect Micrex's determination to be responsive to stakeholder’s concerns. In response to stakeholder input Micrex made many beneficial changes to the project, including eliminating process water use and the tailings pond, adapting the quarry operation for minimal impact, developing an operations plan that provided flexibility in operating period to allow maximum sensitivity to wildlife and a detailed reclamation and conservation plan. These changes play a valuable role in reducing the project impact on the environment and the area stakeholders.

The Company has released the "Project Disclosure, Environmental Assessment and Conservation and Reclamation Plan" on the Burmis Project Website at www.burmisproject.com under the Latest News link.

Micrex is awaiting input from several government departments regarding various aspects of the project and expects this input to be forthcoming shortly.

During this period Micrex will be completing selected tasks in preparation for submission of the Mining Application.

Further information may be obtained from Perry Meszaros or S.E. Marshall at (780) 448-0922
or email at mixinfo-1@mixcorp.com
Web site address: www.mixcorp.com

MICREX DEVELOPMENT CORP.

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

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICE PROVIDER (AS THAT TERM IS DEFINED IN THE POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

FORWARD LOOKING STATEMENTS

Certain statements in this news release are "forward-looking statements", which reflect management's expectations regarding its property and business operations. All statements other than statements of historical fact contained in this news release are forward-looking statements. Such forward-looking statements involve risks and uncertainties, as they reflect management's current beliefs and are based on information currently available to management. Actual results may differ materially from those anticipated in the statements made. The forward-looking statements are expressly qualified in their entirety by this cautionary statement. The forward-looking statements are made as of the date of this news release and Micrex assumes no obligation to update or revise them to reflect new events or circumstances except as expressly required by applicable securities law. Further information regarding the uncertainties and risks can be found in the disclosure documents filed by Micrex with the securities regulatory authorities, available at www.sedar.com