(Rule 14a-101)



Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

Filed by the Registrant þ

Filed by a Party other than the Registrant ¨

Check the appropriate box:


¨ Preliminary Proxy Statement


¨ Confidential, for Use of the Commission Only (as

permitted by Rule 14a-6(e)(2))


¨ Definitive Proxy Statement


þ Definitive Additional Materials


¨ Soliciting Material Pursuant to §240.14a-12


Gladstone Commercial Corporation


(Name of Registrant as Specified in its Charter)

Not Applicable


(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

þ No fee required.

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


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(3)     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

Stockholder Meeting to Be Held on May 05, 2016




MCLEAN, VA 22102


Meeting Information

Meeting Type: Annual Meeting

For holders as of: March 07, 2016

Date: May 05, 2016 Time: 11:00 AM EDT

Location: Gladstone Companies Headquarters

1521 Westbranch Dr. Suite 100

McLean, VA 22102

Annual Meeting Directions:


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

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. Annual Report

How to View Online:

Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (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:

1) BY INTERNET: www.proxyvote.com

2) BY TELEPHONE: 1-800-579-1639

3) BY E-MAIL*: sendmaterial@proxyvote.com

* 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 XXXX XXXX XXXX XXXX (located 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 April 21, 2016 to facilitate timely delivery.

— How To Vote —

Please Choose One of the Following Voting Methods

Vote In Person: Many stockholder 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 XXXX XXXX XXXX XXXX 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:

1. Election of Directors


01 David Gladstone 02 Paul W. Adelgren 03 John H. Outland

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

2. To ratify our Audit Committee’s selection of PricewaterhouseCoopers LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2016.

NOTE: To transact such other business as may properly come before the meeting or any adjournment or postponement thereof.

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