Parker to Webcast European Investor Meeting October 4 at 7:00 a.m. Eastern time

CLEVELAND, September 27, 2010 - Parker Hannifin Corporation (NYSE: PH), the global leader in motion and
control technologies, today announced that it will webcast an investor
meeting from its European headquarters in Etoy (Geneva), Switzerland on
Monday, October 4, 2010 beginning at 7:00 a.m. Eastern time (1:00 p.m. CET
local time) until approximately 11:00 a.m. Eastern time (5:00 p.m. CET local
time). A series of formal presentations focused on Parker's international
operations will be followed by a question and answer period hosted by a panel
of Parker senior leaders.

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

The meeting presents a unique opportunity to hear from members of
Parker's global senior management team responsible for Europe and Asia,
discussing growth in emerging regions. Presenters at the conference will
include Don Washkewicz, Chairman, Chief Executive Officer and President;
Nigel Parsons, Vice President of Finance and Administration - Europe, Middle
East and Africa; Charly Saulnier, President - Europe, Middle East and Africa;
Michael Chung, President - Asia Pacific; Craig Maxwell, Vice President -
Technology and Innovation; and Jeff Cullman, President - Hydraulics.

With annual sales of US$10 billion in fiscal year 2010, 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 mobile, industrial and aerospace markets. The company employs
approximately 55,000 people in 46 countries around the world. Parker has
increased its annual dividends paid to shareholders for 54 consecutive fiscal
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 web site at
www.phstock.com.

Forward-Looking Statements

Forward-looking statements contained in this and other written and oral
reports are made based on known events and circumstances at the time of
release, and as such, are subject in the future to unforeseen uncertainties
and risks. All statements regarding future performance, earnings projections,
events or developments are forward-looking statements. It is possible that
the future performance and earnings projections of the company and individual
segments may differ materially from current expectations, depending on
economic conditions within its mobile, industrial and aerospace markets, and
the company's ability to maintain and achieve anticipated benefits associated
with announced realignment activities, strategic initiatives to improve
operating margins, actions taken to combat the effects of the current
economic environment, and growth, innovation and global diversification
initiatives. A change in economic conditions in individual markets may have a
particularly volatile effect on segment results. Among the other factors
which may affect future performance are: changes in business relationships
with and purchases by or from major customers, suppliers or distributors,
including delays or cancellations in shipments, disputes regarding contract
terms or significant changes in financial condition, and changes in contract
cost and revenue estimates for new development programs; uncertainties
surrounding timing, successful completion or integration of acquisitions;
ability to realize anticipated cost savings from business realignment
actions; threats associated with and efforts to combat terrorism;
uncertainties surrounding the ultimate resolution of outstanding legal
proceedings, including the outcome of any appeals; competitive market
conditions and resulting effects on sales and pricing; increases in raw
material costs that cannot be recovered in product pricing; the company's
ability to manage costs related to insurance and employee retirement and
health care benefits; and global economic factors, including manufacturing
activity, air travel trends, currency exchange rates, difficulties entering
new markets and general economic conditions such as inflation, deflation,
interest rates and credit availability. The company makes these statements as
of the date of this disclosure, and undertakes no obligation to update them
unless otherwise required by law.

Media: Christopher M. Farage, Vice President, Communications & External Affairs, +1-216-896-2750, cfarage at parker.com; Financial Analysts — Pamela Huggins, Vice President & Treasurer, +1-216-896-2240, phuggins at parker.com