Mirenco Reports Continued Financial Improvement 

RADCLIFFE, Iowa--(MARKET WIRE) - May, 2005 - Mirenco, Inc., (OTCBB:MREO) reports a loss of 2 cents per share for the first quarter of 2005. This is in comparison to a loss of 3 cents per share for the fiscal year 2004.

Rich Musal, CFO for Mirenco states, “The company has become better suited for the needs of our clients and has pinpointed the direction that we are most successful in achieving the highest quality results. From this we have concluded that our investment in marketing has resulted in an increase in sales. This has proven to be an effective approach as revenues are estimated to reach an all time high in the next few months.”

Since the first of the year our committed sales for 2005 has increased threefold. This will continue to increase as our evaluation results have verified our product and resulted in numerous new proposals,” Musal states. “As these opportunities are converted to sales our planned profitability will be realized.”  

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 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.

Contact Information:
Dwayne Fosseen
fosseen@mirenco.com
800-423-9903