BDN - 2013 DEFA14A

Washington, D.C. 20549
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No. )

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Definitive Proxy Statement
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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 May 30, 2013
Meeting Information
Meeting Type: Annual Meeting
For holders as of: April 02, 2013

    Date: May 30, 2013 Time: 10:00 AM EDT
    Location: The Four Seasons Hotel
    One Logan Square

    Philadelphia, Pennsylvania
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 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.
RADNOR, PA 19087
See the reverse side of this notice to obtain proxy materials and voting instructions.

- 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 è
 (located on the
following page) and visit:
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper of 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:
2) BY TELEPHONE:    1-800-579-1639
3) BY E-MAIL*:    sendmaterial@
* 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  è 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 May 16, 2013 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 Have the information that is printed in the box
marked by the arrow è 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.

Voting items
The Board of Trustees recommends you vote
FOR the following:
1.   Election of Trustees

01 Walter D'Alessio
02 Anthony A. Nichols, Sr.
03 Gerard H. Sweeney
04 Wyche Fowler
05 Michael J. Joyce
06 Charles P. Pizzi
07 James C. Diggs
The Board of Trustees recommends you vote FOR proposals 2 and 3.
2 Ratification of the Audit Committee's appointment of PricewaterhouseCoopers LLP as our independent registered
 public accounting firm for calendar year 2013.
3   Provide an advisory, non-binding vote on our executive compensation
NOTE: In their discretion, the Proxy Holders are authorized to vote upon such other matters as may properly come before the meeting or any adjournment or postponement thereof.