For Immediate Release

RADCLIFFE, Iowa/EWORLDWIRE/July 1, 2009 --- Mirenco, Inc. (OTCBB: MREO) is pleased and privileged to announce the introduction of MDEP (Mirenco Diesel Evaluation Procedure) services to the Caterpillar network across the United States and Canada. Whayne Supply, Mirenco's exclusive distributor, has recently developed and distributed an informational video designed to introduce Mirenco's MDEP service to potential retailers. The informational video is available for viewing on the Mirenco Web site at 'http://www.Mirenco.com'. A copy of the video along with a letter from Whayne Supply was delivered to all 60 Caterpillar dealers within the United States and Canada as listed in the exclusive distribution agreement in Mirenco's latest 8K filing. Whayne Supply has provided an open invitation to these dealers to become a retailer for MDEP services.

"Mirenco is looking forward to the expansion of MDEP throughout the United States and Canada. It has taken several years of hard work between Whayne Supply and Mirenco to prepare for this launch. We are excited to introduce MDEP to the Caterpillar network and watch it spread across North America," says Dwayne Fosseen, Mirenco's chief executive officer.

About Mirenco

Mirenco is a Radcliffe, Iowa-based company that specializes in patented vehicle management technology and consultative services for reducing vehicle emissions, improving fuel economy and lengthening the service life of heavy-duty diesel vehicles. More information is available at Mirenco.com ('http://www.mirenco.com'), or via e-mail at info@mirenco.com or by calling 800.423.9903.

Some of the statements made in this press release are forward-looking in nature. Actual results may differ materially from those projected in forward-looking statements. Additional information concerning Mirenco, Inc. can be found within Mirenco's filings with the Securities and Exchange Commission. Statements in this release should be evaluated in light of this additional information.

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CONTACT:
Dwayne Fosseen
Mirenco
RADCLIFFE, Iowa
PHONE. 1-800-423-9903
EMAIL: fosseen@mirenco.com
http://www.mirenco.com

SOURCE: Mirenco Inc.