Attached files
Exhibit 32.3
LIBERTY PROPERTY LIMITED PARTNERSHIP
CERTIFICATIONS REQUIRED BY
RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934
RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934
In connection with the Quarterly Report of Liberty Property Limited Partnership (the
“Company”) on Form 10-Q for the quarterly period ended March 31 2011, as filed with the Securities
and Exchange Commission on the date hereof (the “Report”), I, WILLIAM P. HANKOWSKY, President and
Chief Executive Officer of Liberty Property Trust (the sole general partner of the Company),
certify in connection with Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended,
that based on my knowledge:
(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and
(2) The information contained in the Report fairly presents, in all material respects, the
financial condition and result of operations of the Company.
/s/ WILLIAM P. HANKOWSKY |
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Chairman, President and Chief Executive Officer |
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of Liberty Property Trust, the Company’s sole general partner |
Date: May 5, 2011