Donaldson Company Clarifies Sales Guidance

Following our post-market release of first quarter FY09 earnings, Donaldson Company, Inc. (NYSE: DCI), clarified its full year sales guidance. We expect full year FY09 sales to be flat or slightly down compared to last year's sales of $2.23 billion, or between $2.15 billion to $2.23 billion.

About Donaldson Company

Donaldson is a leading worldwide provider of filtration systems that improve people's lives, enhance our Customers' equipment performance, and protect our environment. We are a technology-driven company committed to satisfying our Customers' needs for filtration solutions through innovative research and development, application expertise, and global presence. Our 13,000 employees contribute to the Company's success by supporting our Customers at our more than 100 sales, manufacturing, and distribution locations around the world.

Donaldson is a member of the S&P MidCap 400 and Russell 1000 indices, and our shares trade on the NYSE under the symbol DCI. Additional information is available at www.donaldson.com .

SAFE HARBOR STATEMENT UNDER THE SECURITIES REFORM ACT OF 1995

The company desires to take advantage of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995 (the "Act") and is making this cautionary statement in connection with such safe harbor legislation. This announcement contains forward-looking statements, including forecasts, plans, and projections relating to our business and financial performance, which involve uncertainties that could materially impact results.

The company wishes to caution investors that any forward-looking statements are subject to uncertainties and other risk factors that could cause actual results to differ materially from such statements, including but not limited to risks associated with: world economic factors, currency fluctuations, commodity prices, political factors, the company's international operations, highly competitive markets, governmental laws and regulations, the implementation of our new information systems, and other factors included in our Annual and Quarterly Reports. We undertake no obligation to publicly update or revise any forward-looking statements.