CLEVELAND, Jan. 9 /PRNewswire-FirstCall/ -- Parker Hannifin Corporation (NYSE: PH) will release second quarter fiscal year 2004 earnings before the market opens on Tuesday, January 20, 2004, followed by its quarterly conference call at 10:00 a.m. EST. Pamela Huggins, Vice President and Treasurer, will comment and respond to questions from analysts regarding the company's second 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 . If you are unable to participate during the live webcast, the call 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 46,000 people in 44 countries around the world. 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

CONTACT: Media, Lorrie Paul Crum, VP - Corp. Communications,
+1-216-896-2750, or lcrum@parker.com, or 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)