O'Reilly Automotive, Inc. Announces 2004 Second Quarter Earnings Release and Conference Call

SPRINGFIELD, Mo.--July 20, 2004--O'Reilly Automotive, Inc. (the "Company") announced the release date for second quarter earnings as Tuesday, July 27, 2004, with a conference call to follow Wednesday, July 28, 2004.

The Company's second quarter earnings will be released after 5:30 p.m. central time on Tuesday, July 27, 2004, and can be viewed, at that time, on the Company's website at www.oreillyauto.com by clicking on "News".

Investors are invited to listen to the webcast of the Company's conference call discussing the financial results for the second quarter of 2004, on Wednesday, July 28, 2004, after 11:00 a.m. central time on the company's website at www.oreillyauto.com by clicking on "News".

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 1,132 stores within the states of Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, North Carolina, Oklahoma, Tennessee, Texas and Virginia as of March 31, 2004.