DONALDSON Co INC — Director's Dealing 2010

Sep 29, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DONALDSON CO INC (DCI)
CIK: 0000029644
Period of Report: 2010-09-27

Reporting Person: EUGSTER JACK W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-27	Common Stock	M	3200	$12.28	Acquired	59625	Direct
2010-09-27	Common Stock	F	842	$46.71	Disposed	58783	Direct
2010-09-27	Common Stock	S	2358	$46.44	Disposed	56425	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-27	Employee Stock Option (right to buy)	$12.28	M	3200	Disposed	2010-12-01	Common Stock (3200)	Direct
2010-09-27	Employee Stock Option (right to buy)	$46.71	A	842	Acquired	2010-12-01	Common Stock (842)	Direct