Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No.     )

Filed by the Registrant [X]

Filed by a Party other than the Registrant [__]

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Preliminary Proxy Statement




Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))




Definitive Proxy Statement




Definitive Additional Materials




Soliciting Material Pursuant to § 240.14a-12





Donaldson Company Inc.



(Name of Registrant as Specified In Its Charter)









(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check the appropriate box):





No fee required





Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.






Title of each class of securities to which transaction applies:






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Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is calculated and state how it was determined):






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Fee paid previously with preliminary materials.






Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.






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*** Exercise Your Right to Vote ***







Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to Be Held on November 16, 2012









































Meeting Information













Meeting Type:  Annual Meeting










For holders as of:  September 19, 2012












Date:  November 16, 2012    Time:  1:00 PM CST













Donaldson Company, Inc.
Campus West
2001 West 94th Street
Minneapolis, Minnesota











































































You are receiving this communication because you hold shares in the above named company.
















P.O. BOX 1299











MINNEAPOLIS, MN 55440-1299





This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).




























































We encourage you to access and review all of the important information contained in the proxy materials before voting.





























See the reverse side of this notice to obtain proxy materials and voting instructions.


























































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 Before You Vote 










How to Access the Proxy Materials




















  Proxy Materials Available to VIEW or RECEIVE:







  1. Notice & Proxy Statement      2. Shareholder Letter     3. Form 10-K




  How to View Online:




  Have the information that is printed in the box marked by the arrow (LOGO)


  (located on the following page) and visit: www.proxyvote.com.




  How to Request and Receive a PAPER or E-MAIL Copy:




If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:





























If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (LOGO)






   on the following page) in the subject line.




Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before November 04, 2012 to facilitate timely delivery.

























 How To Vote 










Please Choose One of the Following Voting Methods



















Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.









Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow (LOGO)







available and follow the instructions.












Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.













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Voting items

The Board of Directors recommends you vote
FOR the following:










Election of Directors
















William M. Cook


Paul David Miller






The Board of Directors recommends you vote FOR the following proposal:




Ratification of the appointment of PricewaterhouseCoopers LLP as Donaldson Company, Inc.’s independent registered public accounting firm for the fiscal year ending July 31, 2013.

NOTE: In their discretion, the proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment thereof.

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