O'Reilly Automotive, Inc. to Present at the Lehman Brothers 9th Annual Retail Seminar and Announces Dates for the 2006 First Quarter Earnings Release and Conference Call

SPRINGFIELD, Mo.--April 18, 2006--O'Reilly Automotive, Inc. (the "Company") plans to make a presentation at the Lehman Brothers 9th Annual Retail Seminar in New York City, New York on Tuesday, May 2, 2006, at 10:30 a.m. eastern time and also announces the release date for first quarter 2006 earnings as Tuesday, April 25, 2006, with a conference call to follow Wednesday, April 26, 2006.

The slides to be used in the Lehman Brothers 9th Annual Retail Seminar will be available Tuesday, May 2, 2006, through the Company's website at www.oreillyauto.com by clicking "Investor Relations" then "Financials."

The Company's first quarter 2006 earnings will be released after 5:30 p.m. central time on Tuesday, April 25, 2006, and can be viewed at that time on the Company's website at www.oreillyauto.com by clicking on "Investor Relations" then "News Room."

Investors are invited to listen to the Company's conference call discussing the financial results for the first quarter of 2006, on April 26, 2006, at 10:00 a.m. central time, via webcast on the Company's website at www.oreillyauto.com by clicking on "Investor Relations" then "News Room." A replay of the call will also be available on the Company's website following the conference call.

O'Reilly Automotive, Inc. is one of the largest specialty retailers of automotive aftermarket parts, tools, supplies, equipment and accessories in the United States, serving both the do-it-yourself and professional installer markets. Founded in 1957 by the O'Reilly family, the Company operated 1,470 stores within the states of Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Virginia, Wisconsin and Wyoming as of December 31, 2005.