CLEVELAND, April 5 /PRNewswire-FirstCall/ -- Parker Hannifin Corporation (NYSE: PH) will release third quarter fiscal year 2004 earnings before the market opens on Monday, April 19, 2004, followed by its quarterly conference call at 10:00 a.m. EDT. Pamela Huggins, Vice President and Treasurer, will comment and respond to questions from analysts regarding the company's third quarter financial performance.

(Logo: http://www.newscom.com/cgi-bin/prnh/19990816/PHLOGO )

This conference call will be webcast on Parker's investor information website at www.phstock.com and will be archived on the site for two weeks.

With annual sales exceeding $6 billion, Parker Hannifin is the world's leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets. The company employs more than 45,000 people in 44 countries around the world. Parker has increased its annual dividends paid to shareholders for 47 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company's web site at www.parker.com , or its investor information site at www.phstock.com .

SOURCE Parker Hannifin Corporation
04/05/2004

CONTACT: Media, Lorrie Paul Crum, VP - Corp. Communications, +1-216-896-2750, or lcrum@parker.com, or Financial Analysts, Pamela Huggins, Vice President - Treasurer, +1-216-896-2240, or phuggins@parker.com, both of Parker Hannifin Corporation

Web site: http://www.phstock.com
(PH)