Donaldson Showcases Filtration Technology at the Conexpo-Con/Agg 2008 and IPFE 2008 Show


Engine Systems & Parts and Industrial Hydraulics Businesses to introduce new products

MINNEAPOLIS, MN - December 20, 2007 - Donaldson Company (NYSE:DCI), a leading, worldwide manufacturer of filtration systems and parts, is pleased to announce that two company business units, Engine Systems & Parts and Industrial Hydraulics, will introduce and showcase the latest in Donaldson filtration technology at the CONEXPO - CON/AGG and IPFE Show to be held in Los Vegas, Nevada, March 11-15, 2008.

Both business units will exhibit full product lines in a staffed booth throughout the show. The Engine Systems and Parts business will be located in Booth S-16526 (South Hall) and the Industrial Hydraulics business will be located in the IPFE area, S-13553 (South Hall).

Each business will host a press conference to introduce new filtration solutions and highlight existing technologies:
Engine Systems & Parts: Tuesday, March 11- 3:00 p.m.
Industrial Hydraulics: Thursday, March 13- 3:00 p.m.

For more information on Donaldson products stop by the exhibitor booths, attend the press events or visit the company's website at www.donaldson.com.

About CONEXPO-CON/AGG - IFPE

An estimated 125,000 industry professionals from around the world are expected to attend CONEXPO-CON/AGG, the largest international gathering place in 2008 for the construction industry. Held every three years, the exposition showcases the latest equipment, products, services and technologies. More information is available at www.conexpoconagg.com or www.ifpe.com.

About Donaldson Company, Inc.

Donaldson is a leading worldwide provider of air and liquid filtration systems and replacement parts 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 industrial filtration solutions through innovative research and development, superior technology and global presence. Our 12,000 employees contribute to the company's success by supporting our Customers at more than 100 sales, manufacturing, and distribution locations around the world.

Donaldson is a member of the S&P MidCap 400 Index, and Donaldson shares are traded on the NYSE under the symbol DCI. Additional company information is available at www.donaldson.com.

FOR MORE INFORMATION:
Janice Kovala
Donaldson Engine Systems & Parts
(952) 703-4552
Janice.kovala@donaldson.com

Katya Glozman
Donaldson Industrial Hydraulics
(952) 887-3863
Katya.glozman@donaldson.com

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