O'Reilly Automotive Inc. Announces Two-for-One Stock Split

SPRINGFIELD, Mo.--May 24, 2005--O'Reilly Automotive, Inc. ("O'Reilly") announced today that its Board of Directors declared a two-for-one stock split in the form of a 100% stock dividend to all shareholders of its common stock as of the close of business on May 31, 2005.

At the 2005 Annual Meeting of Shareholders held on May 3, 2005, approval was given by the Company's shareholders to amend the Company's Articles of Incorporation to increase the number of authorized shares of capital stock from 90 million to 250 million. The amendment will be filed with Missouri's Secretary of State prior to the record date of May 3, 20051, 2005.

Each shareholder entitled to the dividend will receive one additional share of the Company's common stock for every one share of common stock held. The Company anticipates that the additional shares resulting from the dividend will be made available to shareholders on or about June 15, 2005.

"The current per share price level of our common stock reflects the continued strong financial performance of O'Reilly Automotive since our initial public offering in April 1993. This stock dividend is indicative of our expectations for continued growth," said Greg Henslee, CEO. O'Reilly Automotive recently reported record earnings for the first quarter of 2005 of $0.59 per diluted common share, before cumulative effect of accounting change, up from $0.49 per share for the same period a year ago. O'Reilly Automotive also effected a two-for-one stock split on August 31, 1997 and November 30, 1999.

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 1,286 stores within the states of Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, North Carolina, Oklahoma, South Carolina, Tennessee, Texas and Virginia as of March 31, 2005.