Donaldson Co. Inc.

Mr. Cook joined the Company in 1980 and has held various positions, including CFO and Senior Vice President, International from 2001 to 2004 and President and CEO from 2004 to 2005. Mr. Cook was appointed Chairman, President and CEO in July 2005.

Ms. Wilfong was appointed Vice President and Chief Technology Officer in May 2007. Prior to that time, Ms. Wilfong held various director positions in research and development at 3M Company, an international consumer products company, from 2000 to 2007, most recently as Director, Research and Development for the 3M Automotive Division from 2006 to 2007.

Ms. Perushek was appointed Vice President and Chief Information Officer in November 2006. Prior to that time, Ms. Perushek was Vice President of Global Information Technology at H.B. Fuller Company, a worldwide manufacturer of adhesive products, from 2005 to 2006 and Chief Information Officer for Young America Corporation, a marketing company, from 1999 to 2004.

Mr. VerHage was appointed Vice President and Chief Financial Officer in March 2004. Prior to that time, Mr. VerHage was a partner for Deloitte & Touche, LLP, an international accounting firm, from 2002 to 2004.

Mr. Timm joined the Company in 1983 and has held various positions, including General Manager, Disk Drive from 1995 to 2005 and General Manager, Gas Turbine Systems Products from 2005 to 2006. Mr. Timm was appointed Vice President, Asia-Pacific in December 2006.

Mr. Linnell joined the Company in 1996 as General Counsel and Secretary and was appointed Vice President, General Counsel and Secretary in 2000.

Ms. Joppa was appointed Vice President, Human Resources and Communications in November 2005. Prior to that time Ms. Joppa held various positions at General Mills, a consumer food products company, from 1989 to 2005, including service as Director of Human Resources for several different operating divisions from 1999 to 2005.

Mr. Carpenter joined the Company in 1996 and has held various positions, including Gas Turbine Systems General Manager from 2002 to 2004; General Manager, Industrial Filtration Systems (IFS) Sales from 2004 to 2006; General Manager, IFS Americas in 2006; and Vice President, Global IFS from 2006 to 2008. Mr. Carpenter was appointed Vice President, Europe and Middle East in August 2008.

Mr. McMurray joined the Company in 1980 and has held various positions, including Director, Global Information Technology from 2001 to 2003; Vice President, Human Resources from 2004 to 2005; and Vice President, Information Technology, Europe, South Africa and Mexico from 2005 to 2006. Mr. McMurray became Senior Vice President, Industrial Products, in September 2006.

Mr. Ward joined the Company in 1998 and has held various positions, including Director, Operations from 2001 to 2003; Director, Product and Business Development, IFS Group from 2003 to 2004; Managing Director, Europe from 2004 to 2006; and Vice President, Europe and Middle East from 2006 to 2008. Mr. Ward was appointed Senior Vice President, Engine Products in August 2008.

Mr. Schwab joined the Company in 1977 and has held various positions, including Senior Vice President, Operations from 1994 to 2004 and Senior Vice President, Engine Products from 2004 to 2008. Mr. Schwab was appointed Senior Vice President, Global Operations, effective August 2008.

Retired Vice Chairman, Cargill, Inc., Minneapolis Donaldson Company Committee Membership: Human Resources Committee, Corporate Governance Committee Independent director since 1995

Retired Chairman, President and CEO, The Musicland Group, Inc., Minneapolis Donaldson Company Committee Membership: Human Resources Committee, Audit Committee Independent Director since 1993

President , Act 3 Enterprises LLC, Minneapolis Donaldson Company Committee Membership: Audit Committee, Corporate Governance Committee Independent director since 1996

Chairman and CEO, SUPERVALU INC., Minneapolis Donaldson Company Committee Membership: Human Resources Committee, Audit Committee Independent director since 2000

Retired Chairman and CEO, U.S. Bancorp, Minneapolis Donaldson Company Committee Membership: Human Resources Committee, Corporate Governance Committee Independent director since 1997

Chairman, President and CEO, C.H. Robinson Worldwide, Inc., Minneapolis, MN Donaldson Company Committee Membership: Human Resources Committee, Audit Committee Independent director since 2003

Chairman, President and CEO, The Toro Company Donaldson Company Committee Membership: Audit Committee, Corporate Governance Committee Independent Director since 2005

Retired Chairman and CEO, Alliant Techsystems, Inc. Minneapolis Donaldson Company Committee Membership: Audit Committee, Corporate Governance Committee Independent director since 2001

President and CEO, Fastenal Company; Winona, MN Donaldson Company Committee Membership: Human Resources Committee, Corporate Governance Committee Independent director since 2006