DONALDSON Co INC — Director's Dealing 2010

Jan 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DONALDSON CO INC (DCI)
CIK: 0000029644
Period of Report: 2009-12-31

Reporting Person: GRUNDHOFER JOHN F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-31	Common Stock	A	212	—	Acquired	25753	Direct
2010-01-01	Common Stock	A	1069	—	Acquired	26822	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-04-01	Employee Stock Option (right to buy)	$42.88	A	7200	Acquired	2020-01-04	Common Stock (7200)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	26770	Indirect