LIBERTY PROPERTY TRUST (Form: 10-Q, Received: 05/08/2019 16:50:13)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________________________________

FORM 10-Q

__________________________________________________________

(Mark One)



x	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2019



¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file numbers: 1-13130 (Liberty Property Trust)

1-13132 (Liberty Property Limited Partnership)

__________________________________________________________

LIBERTY PROPERTY TRUST

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Exact name of registrants as specified in their governing documents)

__________________________________________________________



MARYLAND (Liberty Property Trust)	23-7768996
PENNSYLVANIA (Liberty Property Limited Partnership)	23-2766549
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

650 East Swedesford Road Wayne, Pennsylvania	19087
(Address of Principal Executive Offices)	(Zip Code)

Registrants’ Telephone Number, Including Area Code (610) 648-1700

(Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report)

__________________________________________________________

Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding twelve (12) months (or for such shorter period that the registrants were required to file such reports), and (2) have been subject to such filing requirements for the past ninety (90) days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. (See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act). (Check one):



Large Accelerated Filer	x	Accelerated Filer	o
Non-Accelerated Filer	o	Smaller Reporting Company	o
		Emerging Growth Company	o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x

Securities registered pursuant to Section 12(b) of the Act:



Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares of Beneficial Interest, $0.001 par value	LPT	New York Stock Exchange

On May 6, 2019 148,276,745 Common Shares of Beneficial Interest, par value $0.001 per share, of Liberty Property Trust were outstanding.

Table of Contents

EXPLANATORY NOTE

This report combines the quarterly reports on Form 10-Q for the period ended March 31, 2019 of Liberty Property Trust and Liberty Property Limited Partnership. Unless stated otherwise or the context otherwise requires, references to the “Trust” mean Liberty Property Trust and its consolidated subsidiaries, and references to the “Operating Partnership” mean Liberty Property Limited Partnership and its consolidated subsidiaries. The terms the “Company,” “we,” “our” and “us” mean the Trust and the Operating Partnership, collectively.

The Trust is a self-administered and self-managed Maryland real estate investment trust (“REIT”). Substantially all of the Trust's assets are owned directly or indirectly, and substantially all of the Trust's operations are conducted directly or indirectly, by its subsidiary, the Operating Partnership, a Pennsylvania limited partnership.

The Trust is the sole general partner and also a limited partner of the Operating Partnership, owning 97.7% of the common equity of the Operating Partnership at March 31, 2019 . The common units of limited partnership interest in the Operating Partnership (the “Common Units”), other than those owned by the Trust, are exchangeable on a one-for-one basis (subject to anti-dilution protections) for the Trust's common shares of beneficial interest, $0.001 par value per share (the “Common Shares”).

The financial results of the Operating Partnership are consolidated into the financial statements of the Trust. The Trust has no significant assets other than its investment in the Operating Partnership. The Trust and the Operating Partnership are managed and operated as one entity. The Trust and the Operating Partnership have the same managers.

The Trust's sole business purpose is to act as the general partner of the Operating Partnership. Net proceeds from equity issuances by the Trust are contributed to the Operating Partnership in exchange for partnership units. The Trust itself does not issue any indebtedness, but guarantees certain of the unsecured debt of the Operating Partnership.

We believe combining the quarterly reports on Form 10-Q of the Trust and the Operating Partnership into this single report results in the following benefits:


•	enhances investors' understanding of the Trust and the Operating Partnership by enabling investors to view the business as a whole in the same manner as management views and operates the business;


•	eliminates duplicative disclosure and provides a more streamlined and readable presentation since a substantial portion of the Company's disclosure applies to both the Trust and the Operating Partnership; and


•	creates time and cost efficiencies through the preparation of one combined report instead of two separate reports.

To help investors understand the significant differences between the Trust and the Operating Partnership, this report presents the following separate sections for each of the Trust and the Operating Partnership:


•	consolidated financial statements;


•	the following notes to the consolidated financial statements;


◦	Income per Common Share of the Trust and Income per Common Unit of the Operating Partnership;


◦	Noncontrolling Interests of the Trust and Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

This report also includes separate Item 4. Controls and Procedures sections and separate Exhibit 31 and 32 certifications for each of the Trust and the Operating Partnership in order to establish that the Chief Executive Officer and the Chief Financial Officer of each entity have made the requisite certifications and that the Trust and Operating Partnership are compliant with Rule 13a-15 and Rule 15d-15 of the Securities Exchange Act of 1934, as amended.

Table of Contents

Liberty Property Trust/Liberty Property Limited Partnership

Form 10-Q for the period ended March 31, 2019



Index		Page

PART I.	FINANCIAL INFORMATION

Item 1.	Financial Statements

	Consolidated balance sheets of Liberty Property Trust at March 31, 2019 and December 31, 2018	5

	Consolidated statements of comprehensive income of Liberty Property Trust for the three months ended March 31, 2019 and March 31, 2018	6


	Consolidated statements of equity of Liberty Property Trust for the three months ended March 31, 2019 and March 31, 2018	7

	Consolidated statements of cash flows of Liberty Property Trust for the three months ended March 31, 2019 and March 31, 2018	8

	Consolidated balance sheets of Liberty Property Limited Partnership at March 31, 2019 and December 31, 2018	9

	Consolidated statements of comprehensive income of Liberty Property Limited Partnership for the three months ended March 31, 2019 and March 31, 2018	10

	Consolidated statements of owners' equity of Liberty Property Limited Partnership for the three months ended March 31, 2019 and March 31, 2018	11

	Consolidated statements of cash flows of Liberty Property Limited Partnership for the three months ended March 31, 2019 and March 31, 2018	12

	Notes to consolidated financial statements of the Company	13

Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	29

Item 3.	Quantitative and Qualitative Disclosures about Market Risk	41

Item 4.	Controls and Procedures	41

PART II.	OTHER INFORMATION	43

Item 1.	Legal Proceedings	43

Item 1A.	Risk Factors	43

Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	43

Item 3.	Defaults Upon Senior Securities	43

Table of Contents



Index		Page

Item 4.	Mine Safety Disclosures	43

Item 5.	Other Information	43

Item 6.	Exhibits	44

Signatures for Liberty Property Trust		45

Signatures for Liberty Property Limited Partnership		46

	EIGHTH SUPPLEMENTAL INDENTURE, DATED AS OF JANUARY 25, 2019, BETWEEN THE OPERATING PARTNERSHIP, AS ISSUER, AND U.S. BANK NATIONAL ASSOCIATION, AS TRUSTEE


	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(A)

	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(A)

	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(A)

	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(A)

	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(B)

	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(B)

	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(B)

	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(B)

	XBRL Instance Document

	XBRL Taxonomy Extension Schema Document

	XBRL Taxonomy Extension Calculation Linkbase Document

	XBRL Taxonomy Extension Definition Linkbase Document

	XBRL Extension Labels Linkbase

	XBRL Taxonomy Extension Presentation Linkbase Document

Table of Contents

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

CONSOLIDATED BALANCE SHEETS OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands, except share and unit amounts)



	March 31, 2019			December 31, 2018
ASSETS
Real estate:
Land and land improvements	$	1,311,504		$	1,241,593
Building and improvements	4,564,769			4,410,324
Less accumulated depreciation	(978,406		)	(945,365		)
Operating real estate	4,897,867			4,706,552
Development in progress	440,593			472,169
Land held for development	297,384			296,244
Net real estate	5,635,844			5,474,965
Cash and cash equivalents	96,949			84,923
Restricted cash	17,696			10,899
Accounts receivable	15,992			14,109
Deferred rent receivable	114,944			111,627
Deferred financing and leasing costs, net of accumulated amortization (March 31, 2019, $175,126; December 31, 2018, $165,786)	163,155			157,980
Investments in and advances to unconsolidated joint ventures	353,215			350,981
Assets held for sale	423,846			477,716
Right of use asset	18,097			—
Prepaid expenses and other assets	98,841			251,192
Total assets	$	6,938,579		$	6,934,392
LIABILITIES
Mortgage loans, net	$	396,690		$	395,202
Unsecured notes, net	2,632,089			2,285,698
Credit facilities	100,000			411,846
Accounts payable	51,267			65,260
Accrued interest	37,236			22,309
Dividend and distributions payable	62,229			60,560
Lease liabilities	18,752			—
Other liabilities	218,131			272,143
Liabilities held for sale	18,035			17,065
Total liabilities	3,534,429			3,530,083
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of March 31, 2019 and December 31, 2018, respectively	5,337			7,537
EQUITY
Liberty Property Trust shareholders’ equity
Common shares of beneficial interest, $.001 par value, 283,987,000 shares authorized; 148,258,042 and 147,899,354 shares issued and outstanding as of March 31, 2019 and December 31, 2018, respectively	148			148
Additional paid-in capital	3,697,783			3,691,778
Accumulated other comprehensive loss	(51,803		)	(55,243		)
Distributions in excess of net income	(313,279		)	(306,822		)
Total Liberty Property Trust shareholders’ equity	3,332,849			3,329,861
Noncontrolling interest – operating partnership - 3,520,205 common units outstanding as of March 31, 2019 and December 31, 2018	61,280			61,471
Noncontrolling interest – consolidated joint ventures	4,684			5,440
Total equity	3,398,813			3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	$	6,938,579		$	6,934,392

See accompanying notes.

Table of Contents

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands, except per share amounts)



	Three Months Ended
	March 31, 2019			March 31, 2018
REVENUE
Rental revenue	$	156,886		$	146,361
Development service fee income	864			26,352
Total revenue	157,750			172,713
EXPENSES
Rental property	13,620			13,260
Real estate taxes	22,462			21,578
General and administrative	15,607			14,335
Leasing expense	3,208			2,812
Other operating expense	2,268			2,502
Interest expense	25,519			22,670
Depreciation and amortization	43,484			39,659
Development service fee expense	833			28,067
Impairment charges - real estate assets	99			—
Total expenses	127,100			144,883

Interest and other income	3,394			2,494
Gain on property dispositions	741			4,158
Equity in earnings of unconsolidated joint ventures	7,009			6,764
Income from continuing operations before income taxes	41,794			41,246
Income taxes	(832		)	(528		)
Income from continuing operations	40,962			40,718
Discontinued operations (including gain on sale net of impairments of $8.7 million on property dispositions for the three months ended March 31, 2019 and $90.0 million for the three months ended March 31, 2018)	14,786			103,007
Net income	55,748			143,725
Noncontrolling interest – operating partnership	(1,374		)	(3,457		)
Noncontrolling interest – consolidated joint ventures	(44		)	(87		)
Net income available to common shareholders	$	54,330		$	140,181

Net income	$	55,748		$	143,725
Other comprehensive income - foreign currency translation	5,376			7,932
Other comprehensive (loss) income - derivative instruments	(1,854		)	385
Other comprehensive income	3,522			8,317
Total comprehensive income	59,270			152,042
Less: comprehensive income attributable to noncontrolling interest	(1,500		)	(3,738		)
Comprehensive income attributable to common shareholders	$	57,770		$	148,304
Earnings per common share
Basic:
Income from continuing operations	$	0.27		$	0.27
Income from discontinued operations	0.10			0.68
Income per common share – basic	$	0.37		$	0.95
Diluted:
Income from continuing operations	$	0.27		$	0.27
Income from discontinued operations	0.10			0.68
Income per common share – diluted	$	0.37		$	0.95
Weighted average number of common shares outstanding
Basic	147,559			147,060
Diluted	148,540			147,873
Amounts attributable to common shareholders
Income from continuing operations	$	39,887		$	39,574
Discontinued operations	14,443			100,607
Net income available to common shareholders	$	54,330		$	140,181

See accompanying notes.

Table of Contents

CONSOLIDATED STATEMENTS OF EQUITY OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands)



	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL		ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES			TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at January 1, 2019	147,899,354	$	148	$	3,691,778	$	(55,243	)	$	(306,822	)	$	3,329,861		$	61,471		$	5,440		$	3,396,772		$	7,537
Net proceeds from the issuance of common shares	358,688	—		3,909		—			—			3,909			—			—			3,909			—
Net income	—	—		—		—			54,330			54,330			1,290			44			55,664			84
Distributions	—	—		—		—			(60,787		)	(60,787		)	(1,563		)	(800		)	(63,150		)	(84		)
Share-based compensation net of shares related to tax withholdings	—	—		2,096		—			—			2,096			—			—			2,096			—
Other comprehensive loss - foreign currency translation	—	—		—		5,251			—			5,251			125			—			5,376			—
Other comprehensive income - derivative instruments	—	—		—		(1,811		)	—			(1,811		)	(43		)	—			(1,854		)	—
Redemption of noncontrolling interest - preferred units	—	—		—		—			—			—			—			—			—			(2,200		)
Balance at March 31, 2019	148,258,042	$	148	$	3,697,783	$	(51,803	)	$	(313,279	)	$	3,332,849		$	61,280		$	4,684		$	3,398,813		$	5,337



	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL		ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES			TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at January 1, 2018	147,450,691	$	147	$	3,674,978	$	(37,797	)	$	(549,970	)	$	3,087,358		$	56,159		$	4,849		$	3,148,366		$	7,537
Net proceeds from the issuance of common shares	322,450	1		3,266		—			—			3,267			—			—			3,267			—
Net income	—	—		—		—			140,181			140,181			3,339			87			143,607			118
Distributions	—	—		—		—			(59,094		)	(59,094		)	(1,506		)	(85		)	(60,685		)	(118		)
Share-based compensation net of shares related to tax withholdings	—	—		5,416		—			—			5,416			—			—			5,416			—
Other comprehensive loss - foreign currency translation	—	—		—		7,747			—			7,747			185			—			7,932			—
Other comprehensive income - derivative instruments	—	—		—		376			—			376			9			—			385			—
Balance at March 31, 2018	147,773,141	$	148	$	3,683,660	$	(29,674	)	$	(468,883	)	$	3,185,251		$	58,186		$	4,851		$	3,248,288		$	7,537

See accompanying notes.

Table of Contents

CONSOLIDATED STATEMENTS OF CASH FLOWS OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands)



	Three Months Ended
	March 31, 2019			March 31, 2018
OPERATING ACTIVITIES
Net income	$	55,748		$	143,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,721			45,144
Amortization of deferred financing costs	1,201			967
Expensed pursuit costs	122			324
Impairment charges - real estate assets	10,373			—
Equity in earnings of unconsolidated joint ventures	(7,009		)	(6,764		)
Gain on property dispositions	(19,682		)	(94,170		)
Share-based compensation	9,641			9,633
Development service fee accrual	(23,249		)	2,968
Other	(1,818		)	(762		)
Changes in operating assets and liabilities:
Accounts receivable	(2,247		)	(706		)
Deferred rent receivable	(4,177		)	(4,944		)
Prepaid expenses and other assets	13,670			20,312
Accounts payable	(13,874		)	(9,003		)
Accrued interest	14,927			13,059
Other liabilities	(25,587		)	(26,084		)
Net cash provided by operating activities	53,760			93,699
INVESTING ACTIVITIES
Investment in properties – acquisitions	(130,432		)	(95,027		)
Investment in properties – other	(7,392		)	(3,603		)
Investments in and advances to unconsolidated joint ventures	(3,240		)	(66,420		)
Distributions from unconsolidated joint ventures	8,209			11,521
Net proceeds from disposition of properties/land	87,609			184,233
Investment in development in progress	(68,026		)	(51,932		)
Investment in land held for development	(14,000		)	(18,234		)
Payment of deferred leasing costs	(4,653		)	(2,183		)
Release of escrows and other	130,160			126,745
Net cash (used in) provided by investing activities	(1,765		)	85,100
FINANCING ACTIVITIES
Net proceeds from issuance of common shares	3,909			3,267
Share repurchases, including shares related to tax withholdings	(7,981		)	(4,402		)
Redemption of preferred units	(2,200		)	—
Proceeds from unsecured notes	349,097			—
Repayments of mortgage loans	(1,632		)	(1,714		)
Proceeds from credit facility	98,294			312,993
Repayments on credit facility	(410,140		)	(414,757		)
Payment of deferred financing costs	(3,408		)	—
Distribution paid on common shares	(59,154		)	(58,980		)
Distribution to partners/noncontrolling interests	(2,412		)	(1,651		)
Net cash used in financing activities	(35,627		)	(165,244		)
Net increase in cash, cash equivalents and restricted cash	16,368			13,555
Increase in cash, cash equivalents and restricted cash related to foreign currency translation	2,455			506
Cash, cash equivalents and restricted cash at beginning of period	95,822			25,685
Cash, cash equivalents and restricted cash at end of period	$	114,645		$	39,746

See accompanying notes.

Table of Contents

CONSOLIDATED BALANCE SHEETS OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands, except unit amounts)



	March 31, 2019			December 31, 2018
ASSETS
Real estate:
Land and land improvements	$	1,311,504		$	1,241,593
Building and improvements	4,564,769			4,410,324
Less accumulated depreciation	(978,406		)	(945,365		)
Operating real estate	4,897,867			4,706,552
Development in progress	440,593			472,169
Land held for development	297,384			296,244
Net real estate	5,635,844			5,474,965
Cash and cash equivalents	96,949			84,923
Restricted cash	17,696			10,899
Accounts receivable, net	15,992			14,109
Deferred rent receivable, net	114,944			111,627
Deferred financing and leasing costs, net of accumulated amortization (March 31, 2019, $175,126; December 31, 2018, $165,786)	163,155			157,980
Investments in and advances to unconsolidated joint ventures	353,215			350,981
Assets held for sale	423,846			477,716
Right of use asset	18,097			—
Prepaid expenses and other assets	98,841			251,192
Total assets	$	6,938,579		$	6,934,392
LIABILITIES
Mortgage loans, net	$	396,690		$	395,202
Unsecured notes, net	2,632,089			2,285,698
Credit facilities	100,000			411,846
Accounts payable	51,267			65,260
Accrued interest	37,236			22,309
Distributions payable	62,229			60,560
Lease liabilities	18,752			—
Other liabilities	218,131			272,143
Liabilities held for sale	18,035			17,065
Total liabilities	3,534,429			3,530,083
Limited partners’ equity - 213,483 and 301,483 preferred units outstanding as of March 31, 2019 and December 31, 2018, respectively	5,337			7,537
OWNERS’ EQUITY
General partner’s equity - 148,258,042 and 147,899,354 common units outstanding as of March 31, 2019 and December 31, 2018, respectively	3,332,849			3,329,861
Limited partners’ equity – 3,520,205 common units outstanding as of March 31, 2019 and December 31, 2018	61,280			61,471
Noncontrolling interest – consolidated joint ventures	4,684			5,440
Total owners’ equity	3,398,813			3,396,772
Total liabilities, limited partners’ equity and owners’ equity	$	6,938,579		$	6,934,392

See accompanying notes.

Table of Contents

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands, except per unit amounts)



	Three Months Ended
	March 31, 2019			March 31, 2018
REVENUE
Rental revenue	$	156,886		$	146,361
Development service fee income	864			26,352
Total revenue	157,750			172,713
EXPENSES
Rental property	13,620			13,260
Real estate taxes	22,462			21,578
General and administrative	15,607			14,335
Leasing expense	3,208			2,812
Other operating expense	2,268			2,502
Interest expense	25,519			22,670
Depreciation and amortization	43,484			39,659
Development service fee expense	833			28,067
Impairment charges - real estate assets	99			—
Total expenses	127,100			144,883

Interest and other income	3,394			2,494
Gain on property dispositions	741			4,158
Equity in earnings of unconsolidated joint ventures	7,009			6,764
Income from continuing operations before income taxes	41,794			41,246
Income taxes	(832		)	(528		)
Income from continuing operations	40,962			40,718
Discontinued operations (including gain on sale net of impairments of $8.7 million on property dispositions for the three months ended March 31, 2019 and $90.0 million for the three months ended March 31, 2018)	14,786			103,007
Net income	55,748			143,725
Noncontrolling interest – consolidated joint ventures	(44		)	(87		)
Preferred unit distributions	(84		)	(118		)
Net income available to common unitholders	$	55,620		$	143,520
Net income	$	55,748		$	143,725
Other comprehensive income - foreign currency translation	5,376			7,932
Other comprehensive (loss) income - derivative instruments	(1,854		)	385
Other comprehensive income	3,522			8,317
Total comprehensive income	$	59,270		$	152,042
Earnings per common unit
Basic:
Income from continuing operations	$	0.27		$	0.27
Income from discontinued operations	0.10			0.68
Income per common unit - basic	$	0.37		$	0.95
Diluted:
Income from continuing operations	$	0.27		$	0.27
Income from discontinued operations	0.10			0.68
Income per common unit - diluted	$	0.37		$	0.95
Weighted average number of common units outstanding
Basic	151,079			150,580
Diluted	152,060			151,393
Net income allocated to general partners	$	54,330		$	140,181
Net income allocated to limited partners	$	1,374		$	3,457

See accompanying notes.

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CONSOLIDATED STATEMENTS OF OWNERS’ EQUITY OF LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands)



	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS	GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES			TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at January 1, 2019	147,899,354	3,520,205	$	3,329,861		$	61,471		$	5,440		$	3,396,772		$	7,537
Contributions from partners	358,688	—	6,005			—			—			6,005			—
Distributions to partners	—	—	(60,787		)	(1,563		)	(800		)	(63,150		)	(84		)
Other comprehensive loss - foreign currency translation	—	—	5,251			125			—			5,376			—
Other comprehensive income - derivative instruments	—	—	(1,811		)	(43		)	—			(1,854		)	—
Net income	—	—	54,330			1,290			44			55,664			84
Redemption of limited partners' preferred units	—	—	—			—			—			—			(2,200		)
Balance at March 31, 2019	148,258,042	3,520,205	$	3,332,849		$	61,280		$	4,684		$	3,398,813		$	5,337



	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS	GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES			TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at January 1, 2018	147,450,691	3,520,205	$	3,087,358		$	56,159		$	4,849		$	3,148,366		$	7,537
Contributions from partners	322,450	—	8,683			—			—			8,683			—
Distributions to partners	—	—	(59,094		)	(1,506		)	(85		)	(60,685		)	(118		)
Other comprehensive loss - foreign currency translation	—	—	7,747			185			—			7,932			—
Other comprehensive income - derivative instruments	—	—	376			9			—			385			—
Net income	—	—	140,181			3,339			87			143,607			118
Balance at March 31, 2018	147,773,141	3,520,205	$	3,185,251		$	58,186		$	4,851		$	3,248,288		$	7,537

See accompanying notes.

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CONSOLIDATED STATEMENTS OF CASH FLOWS OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands)



	Three Months Ended
	March 31, 2019			March 31, 2018
OPERATING ACTIVITIES
Net income	$	55,748		$	143,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,721			45,144
Amortization of deferred financing costs	1,201			967
Expensed pursuit costs	122			324
Impairment charges - real estate assets	10,373			—
Equity in earnings of unconsolidated joint ventures	(7,009		)	(6,764		)
Gain on property dispositions	(19,682		)	(94,170		)
Noncash compensation	9,641			9,633
Development service fee accrual	(23,249		)	2,968
Other	(1,818		)	(762		)
Changes in operating assets and liabilities:
Accounts receivable	(2,247		)	(706		)
Deferred rent receivable	(4,177		)	(4,944		)
Prepaid expenses and other assets	13,670			20,312
Accounts payable	(13,874		)	(9,003		)
Accrued interest	14,927			13,059
Other liabilities	(25,587		)	(26,084		)
Net cash provided by operating activities	53,760			93,699
INVESTING ACTIVITIES
Investment in properties – acquisitions	(130,432		)	(95,027		)
Investment in properties – other	(7,392		)	(3,603		)
Investments in and advances to unconsolidated joint ventures	(3,240		)	(66,420		)
Distributions from unconsolidated joint ventures	8,209			11,521
Net proceeds from disposition of properties/land	87,609			184,233
Investment in development in progress	(68,026		)	(51,932		)
Investment in land held for development	(14,000		)	(18,234		)
Payment of deferred leasing costs	(4,653		)	(2,183		)
Release of escrows and other	130,160			126,745
Net cash (used in) provided by investing activities	(1,765		)	85,100
FINANCING ACTIVITIES
Redemption of preferred units	(2,200		)	—
Proceeds from unsecured notes	349,097			—
Repayments of mortgage loans	(1,632		)	(1,714		)
Proceeds from credit facility	98,294			312,993
Repayments on credit facility	(410,140		)	(414,757		)
Payment of deferred financing costs	(3,408		)	—
Capital contributions	3,909			3,267
Distributions to partners/noncontrolling interests	(69,547		)	(65,033		)
Net cash used in financing activities	(35,627		)	(165,244		)
Net increase in cash, cash equivalents and restricted cash	16,368			13,555
Increase in cash, cash equivalents and restricted cash related to foreign currency translation	2,455			506
Cash, cash equivalents and restricted cash at beginning of period	95,822			25,685
Cash, cash equivalents and restricted cash at end of period	$	114,645		$	39,746

See accompanying notes.

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Liberty Property Trust and Liberty Property Limited Partnership

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2019

Note 1: Organization and Basis of Presentation

Organization

Liberty Property Trust (the “Trust”) is a self-administered and self-managed Maryland real estate investment trust (a “REIT”). Substantially all of the Trust’s assets are owned directly or indirectly, and substantially all of the Trust’s operations are conducted directly or indirectly, by its subsidiary, Liberty Property Limited Partnership, a Pennsylvania limited partnership (the “Operating Partnership” and, together with the Trust and their consolidated subsidiaries, the “Company”). The Trust is the sole general partner and also a limited partner of the Operating Partnership, owning 97.7% of the common equity of the Operating Partnership at March 31, 2019 . The Company owns and operates industrial properties in the United States nationally, as well as in the United Kingdom. The Company intends to divest its remaining office properties (other than its headquarters) over the next few years and focus its efforts and capital solely on its industrial platform. Unless otherwise indicated, the notes to the Consolidated Financial Statements apply to both the Trust and the Operating Partnership. The terms the “Company,” “we,” “our” and “us” mean the Trust and Operating Partnership collectively.

The Operating Partnership is a variable interest entity (“VIE”) of the Trust as the limited partners do not have substantive kick-out or participating rights. The Trust is the primary beneficiary of the Operating Partnership as it has the power to direct the activities of the Operating Partnership and the rights to absorb 97.7% of the net income of the Operating Partnership. The Trust has no significant assets or liabilities other than its investment in the Operating Partnership. As the Operating Partnership is already consolidated in the balance sheets of the Trust, the identification of this entity as a VIE has no impact on the consolidated financial statements of the Trust. In addition, the Company holds a 20% interest in Liberty/Comcast 1701 JFK Boulevard, LP which was determined to be a VIE. The Company determined that it is not the primary beneficiary as the Company and its third party partner share control of the joint venture. The Company's maximum exposure to loss is equal to its equity investment in the joint venture which was $74.3 million and $75.1 million as of March 31, 2019 and December 31, 2018, respectively.

Basis of Presentation

The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with United States generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and notes thereto included in the Annual Report on Form 10-K of the Company for the year ended December 31, 2018 . In the opinion of management, all adjustments (consisting solely of normal recurring adjustments) necessary for a fair presentation of the financial statements for these interim periods have been included. The results of interim periods are not necessarily indicative of the results to be obtained for a full fiscal year.

Revenue Recognition

In May 2014, the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”), which supersedes nearly all existing revenue recognition guidance (except revenue in the scope of other accounting standards, including standards related to leasing). Subsequently, the FASB issued supplementary standards providing additional guidance and targeted improvements to ASU 2014-09 (collectively, the “Revenue Standards”). The Revenue Standards provide a unified model to determine how revenue is recognized. In accordance with the Revenue Standards, the Company performs the following steps: (i) identify the contract with the customer, (ii) identify the performance obligations within the contract, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations and (v) recognize revenue when (or as) a performance obligation is satisfied.

Upon adoption of the Revenue Standards, the Company evaluated each of its revenue streams: lease agreement revenue, development service fee revenue, deferred land sale revenue and gain or loss on sale of nonfinancial assets. The Company concluded that there are no revenue streams from its lease agreements that are covered by the Revenue Standards with the possible exception of non-lease components as further discussed below.

The Revenue Standards did not have an impact on the amount and timing of recognizing the Company's development service fee income. The Company recognizes development service fee income on a variable basis as a percentage of costs incurred on third party development contracts. Property development services, which are a single performance obligation, continue to be satisfied and recognized over time. The Company measures its progress toward completing the performance obligations under each arrangement. The measurement of the transfer of value to the customer for these services utilizes the input method (actual costs

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incurred against anticipated project costs) since this method best depicts the actual transfer of value promised to the customer. Estimated expected losses on such contracts are accrued in the period in which they are determinable. The total amount of consideration to be received from these projects is assessed on a quarterly basis. Based on existing contracts, completion is anticipated during 2019.

The Company recognizes revenues from improving land sites and selling the underlying land on behalf of its development partner to home builders in the United Kingdom. These agreements contain a pre-emption clause and a seller's call option. The Company recognizes revenue as the pre-emption period or seller's call option lapses utilizing the output method. There was $3.7 million in revenue recognized for such contracts during the three months ended March 31, 2019.

The Revenue Standards did not have an impact on the gain or loss on sale of nonfinancial assets. The Revenue Standards require the Company to derecognize nonfinancial assets once it transfers control of a distinct nonfinancial asset or distinct in-substance nonfinancial asset. Additionally, when the Company transfers its controlling interest in a nonfinancial asset, but retains a noncontrolling ownership interest, the Company is required to measure any noncontrolling interest it receives or retains at fair value. The guidance requires companies to recognize a full gain or loss on the transaction. See Notes 5 and 7 for further discussion of sales of nonfinancial assets during the three months ended March 31, 2019.

Estimated gross revenue related to the remaining performance obligations under existing contracts (before allocation of related costs and expenses) as of March 31, 2019 that will be recognized as revenue in future periods was approximately $34.2 million , which is expected to be recognized in 2019 through 2021.

Recently Issued Accounting Standards

Leases

In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update 2016-02, Leases (“ASU 2016-02”). Additional guidance and targeted improvements to ASU 2016-02 were made through the issuances of supplementary ASUs in July 2018, December 2018 and March 2019 (collectively, the "New Lease Standard"). The New Lease Standard sets out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). It requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. The New Lease Standard requires lessors to account for leases using an approach that is substantially equivalent to existing guidance for sales type leases, direct financing leases and operating leases.

The New Lease Standards limit capitalization of certain initial direct costs which were previously capitalizable under previous lease standards. Such costs which were expensed during the three months ended March 31, 2019 were $ 0.3 million .

The Company adopted the New Lease Standard on January 1, 2019 and applied it using a modified retrospective approach whereby the cumulative effect of the adoption was recognized on the adoption date and prior periods were not restated. There was no net cumulative effect adjustment to retained earnings as of January 1, 2019 as a result of this adoption.

The following practical expedients available for implementation were elected:

a. whether an expired or existing contract meets the definition of a lease

b. the lease classification at the adoption date for existing or expired leases

c. whether costs previously capitalized as initial direct costs would continue to be amortized

Additionally, the Company has elected the practical expedient not to recognize right of use assets and lease liabilities with a term of one year or less.

The Company's leases met the criteria in the New Lease Standard to not separate non-lease components from the related lease component; therefore, the accounting for these leases remained largely unchanged from the previous standard. The Company has elected to exclude sales and other similar taxes from the measurement of lease revenue and expense and the Company has excluded those costs paid directly by lessees to third parties.

Lessee Disclosure

As of March 31, 2019, the Company had a total of five properties subject to operating ground leases in Florida, New Jersey, Kentucky and the United Kingdom with a weighted average remaining term of 47 years. These leases have remaining terms of 11 to 110 years, expiration dates of June 2030 to June 2129, and renewal options of 25 to 48 years. The Company has included in the lease terms renewal options to the useful life of the asset constructed on the land. Payments for certain properties are subject to increases at five -year intervals based upon the agreed or appraised fair market value of the leased premises on the adjustment date or the Consumer Price Index percentage increase since the base rent date. These future changes in payments are considered

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variable payments and do not impact the assessment of the asset or liability unless there is a significant event that triggers reassessment, such as an amendment with a change in the terms of the lease. The Company used discount rates in a range of 4.1% to 5.0% for a weighted average discount rate of 4.6% , which was derived from the Company's assessment of credit quality of the Company adjusted to reflect secured borrowing, estimated yield curves and long-term spread adjustments over appropriate tenors. The Company also leases office space from unrelated third-parties. The Company recognized $468,000 of lease expense, of which $433,000 was paid in cash, during the three months ended March 31, 2019. The following schedule indicates the approximate future minimum lease payments for the ground and office leases as of March 31, 2019:



Year	Amount
2019 (remainder of year)	$	1,134
2020	1,376
2021	1,235
2022	1,137
2023	1,036
Thereafter	40,842
Total minimum payments	$	46,760
Imputed interest	(27,833		)
Amortization	(175		)
Lease liabilities	$	18,752
Deferred rent	(655		)
Right of use asset	$	18,097

As noted above, the Company adopted the New Lease Standard effective January 1, 2019. Since the Company has applied the provisions on a modified retrospective basis, the following represents approximate future minimum lease payments by year as of December 31, 2018, as applicable under ASC 840, Leases, prior to the adoption of the New Lease Standard.



Year	Amount
2019	$	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
	$	46,935

The Company recorded ground lease expense of $1.5 million for the year ended December 31, 2018.

Lessor Disclosures

The Company leases its operating properties to customers under agreements that are classified as operating leases. It manages residual risk through investing in properties that it believes will appreciate in value over time.

Substantially all of the Company's operating leases contain provisions for specified annual increases over the rents of the prior year. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when the Company has determined that the collectibility of substantially all the lease payments is probable. If the Company determines that it is not probable that substantially all of the lease payments will be collected, the Company accounts for the revenue under the lease on a cash basis. Changes in the assessment of probability are accounted for on a cumulative basis as if the lease had always been accounted for based on the current determination of the likelihood of collection potentially resulting in increased volatility of rental revenue. Some of the Company's leases have options to extend, terminate or purchase the facilities, which are considered when determining the lease term. Tenant rights to purchase an underlying asset are at prevailing market rates at the time of purchase. The Company does not include in measurement of lease receivables certain variable payments, including changes in an index, until the specific events that trigger the variable payments have occurred.

Generally operating leases require the tenants to reimburse the Company for property tax and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the tenants. The Company has determined that all of its leases qualify for the practical expedient to not separate

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the lease and non-lease components because (i) the lease components are operating leases and (ii) the timing and pattern of recognition of the non-lease components are the same as the lease components. The Company applies the New Lease Standard to the combined component. Income derived from the Company's leases is recorded in rental revenue in the Company's consolidated statement of comprehensive income. Certain tenants are obligated to pay directly their obligations under their leases for real estate taxes, insurance and certain other expenses. These obligations, which have been assumed by the tenants under the terms of their respective leases, are not reflected in the Company's consolidated financial statements. To the extent any tenant responsible for these obligations under the respective lease defaults on its lease or if it is deemed probable that the tenant will fail to pay for such costs, the Company would record a liability for such obligation.

The following details the rental income and variable lease income for the three months ended March 31, 2019:



	For the Three Months Ended March 31, 2019
	(in thousands)
Rental income - operating leases - continuing operations	$	121,538
Rental income - operating leases - discontinued operations	10,204
Variable lease income - operating leases - continuing operations	35,348
Variable lease income - operating leases - discontinued operations	3,060

The following amounts reflect the estimated contractual rents due to the Company for the remainder of terms of the Company's operating leases as of March 31, 2019:



	(in thousands)
Remainder of 2019	$	384,744
2020	481,612
2021	412,630
2022	342,633
2023	279,153
2024	227,300
Thereafter	854,364
Total	$	2,982,436

Other

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities ("ASU 2017-12"). ASU 2017-12 is designed to better align a company’s financial reporting for hedging activities with the economic objectives of those activities. The Company adopted ASU 2017-12 on January 1, 2019 and it did not have a material impact on the Company's consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles - Goodwill and Other - Internal-Use Software: Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract ("ASU 2018-15"). ASU 2018-15 amends the definition of a hosting arrangement and requires a customer in a hosting arrangement that is a service contract to capitalize certain implementation costs as if the arrangement was an internal-use software project. ASU 2018-15 is effective for the Company beginning January 1, 2020. Upon adoption, the Company does not anticipate the impact of ASU 2018-15 will have a material impact on the consolidated financial statements.

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Note 2: Income per Common Share of the Trust

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):



	Three Months Ended					Three Months Ended
	March 31, 2019					March 31, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	39,887	147,559	$	0.27	$	39,574	147,060	$	0.27
Dilutive shares for long-term compensation plans	—		981			—		813
Income from continuing operations net of noncontrolling interest - diluted	$	39,887	148,540	$	0.27	$	39,574	147,873	$	0.27
Discontinued operations net of noncontrolling interest - basic	$	14,443	147,559	$	0.10	$	100,607	147,060	$	0.68
Dilutive shares for long-term compensation plans	—		981			—		813
Discontinued operations net of noncontrolling interest - diluted	$	14,443	148,540	$	0.10	$	100,607	147,873	$	0.68
Net income available to common shareholders - basic	$	54,330	147,559	$	0.37	$	140,181	147,060	$	0.95
Dilutive shares for long-term compensation plans	—		981			—		813
Net income available to common shareholders - diluted	$	54,330	148,540	$	0.37	$	140,181	147,873	$	0.95

Dilutive shares for long-term compensation plans represent the unvested common shares outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common share for the three months ended March 31, 2019 or 2018 .

During the three months ended March 31, 2019 , 109,000 common shares were issued upon the exercise of options. During the year ended December 31, 2018 , 151,000 common shares were issued upon the exercise of options.

Share Repurchase

The Company’s Board of Trustees has authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common shares through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three months ended March 31, 2019 or for the year ended December 31, 2018.

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Note 3: Income per Common Unit of the Operating Partnership

The following table sets forth the computation of basic and diluted income per common unit of the Operating Partnership (in thousands, except per unit amounts):



	Three Months Ended						Three Months Ended
	March 31, 2019						March 31, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Income from continuing operations - net of noncontrolling interest - consolidated joint ventures	$	40,918					$	40,631
Less: Preferred unit distributions	(84		)				(118		)
Income from continuing operations available to common unitholders - basic	$	40,834		151,079	$	0.27	$	40,513		150,580	$	0.27
Dilutive units for long-term compensation plans	—			981			—			813
Income from continuing operations available to common unitholders - diluted	$	40,834		152,060	$	0.27	$	40,513		151,393	$	0.27
Income from discontinued operations - basic	$	14,786		151,079	$	0.10	$	103,007		150,580	$	0.68
Dilutive units for long-term compensation plans	—			981			—			813
Income from discontinued operations - diluted	$	14,786		152,060	$	0.10	$	103,007		151,393	$	0.68
Income available to common unitholders - basic	$	55,620		151,079	$	0.37	$	143,520		150,580	$	0.95
Dilutive units for long-term compensation plans	—			981			—			813
Income available to common unitholders - diluted	$	55,620		152,060	$	0.37	$	143,520		151,393	$	0.95

Dilutive units for long-term compensation plans represent the unvested common units outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common unit for the three months ended March 31, 2019 or 2018 .

During the three months ended March 31, 2019 , 109,000 common units were issued upon exercise of options. During the year ended December 31, 2018 , 151,000 common units were issued upon the exercise of options.

Unit Repurchase

The Company’s Board of Trustees has authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common units through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three months ended March 31, 2019 or for the year ended December 31, 2018.

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Note 4: Accumulated Other Comprehensive Loss

The following table sets forth the components of Accumulated Other Comprehensive Loss (in thousands):



	As of and for the three months ended March 31,
	2019			2018
Foreign Currency Translation:
Beginning balance	$	(52,862	)	$	(38,701	)
Translation adjustment	5,376			7,932
Ending balance	(47,486		)	(30,769		)

Derivative Instruments:
Beginning balance	(3,550		)	150
Unrealized gain	(1,830		)	369
Reclassification adjustment ⁽¹⁾	(24		)	16
Ending balance	(5,404		)	535
Total accumulated other comprehensive loss	(52,890		)	(30,234		)
Less: portion included in noncontrolling interest – operating partnership	1,087			560
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity	$	(51,803	)	$	(29,674	)


(1)	Amounts reclassified out of Accumulated Other Comprehensive Loss/General & Limited Partner's Equity into contractual interest expense.

Note 5 : Real Estate

Information on the Operating Properties and land parcels the Company acquired during the three months ended March 31, 2019 is as follows:



	Three Months Ended March 31, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)
Dallas	2	—	509,733	$	44,400
Southern California	1	—	289,683	31,285
United Kingdom	—	25.0	—	2,658
Other:
Atlanta	—	154.7	—	5,000
New Jersey	2	—	270,254	51,775
	5	179.7	1,069,670	$	135,118

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Information on the Operating Properties and land parcels the Company sold during the three months ended March 31, 2019 is as follows:



	Three Months Ended March 31, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)
Florida	3	—	150,751	$	23,400
Other
New Jersey	—	0.8	—	4,000
DC Metro	1	—	146,472	61,750
	4	0.8	297,223	$	89,150

Note 6: Segment Information

The Company owns and operates industrial properties nationally and owns and operates office properties in a focused group of office markets. Additionally, the Company owns certain assets in the United Kingdom. During the three months ended March 31, 2019, the Company realigned its reportable segments as follows:


•	Carolinas/Richmond;


•	Chicago/Minneapolis;


•	Cincinnati/Columbus/Indianapolis;


•	Dallas


•	Florida;


•	Houston;


•	Lehigh/Central PA;


•	Philadelphia;


•	Southern California; and


•	United Kingdom.

Certain other segments are aggregated into an "Other" category which includes the reportable segments: Arizona; Atlanta; DC Metro; New Jersey; and Southeastern Pennsylvania.

Comparative prior periods have been restated to reflect current segment disclosures.

The Company evaluates the performance of its reportable segments based on net operating income. Net operating income includes operating revenue from external customers, real estate taxes, amortization of lease transaction costs and other operating expenses which relate directly to the management and operation of the assets within each reportable segment.

The Company's accounting policies for the segments are the same as those used in the Company's consolidated financial statements. There are no material inter-segment transactions.

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The operating information by reportable segment is as follows (in thousands):



		Three Months Ended
		March 31, 2019			March 31, 2018
Revenue
	Carolinas/Richmond	$	20,086		$	19,793
	Chicago/Minneapolis	17,415			16,517
	Cincinnati/Columbus/Indianapolis	4,341			4,822
	Dallas	5,517			4,085
	Florida	16,283			15,408
	Houston	16,091			15,862
	Lehigh/Central PA	40,208			38,085
	Philadelphia	11,338			12,345
	Southern California	9,551			6,795
	United Kingdom	5,998			4,273
	Other	23,552			34,103
Segment-level revenue		170,380			172,088

Reconciliation to total revenue
	Development service fee income	864			26,352
	Discontinued operations	(13,264		)	(25,631		)
	Other	(230		)	(96		)
Total revenue		$	157,750		$	172,713

Net operating income
	Carolinas/Richmond	$	14,332		$	14,047
	Chicago/Minneapolis	10,335			9,901
	Cincinnati/Columbus/Indianapolis	2,770			3,268
	Dallas	3,390			2,473
	Florida	11,436			10,819
	Houston	8,865			9,597
	Lehigh/Central PA	28,427			27,767
	Philadelphia	8,075			10,154
	Southern California	7,447			5,228
	United Kingdom	2,981			2,429
	Other	14,214			22,471
Net operating income		112,272			118,154

Reconciliation to income from continuing operations
	Interest expense ⁽¹⁾	(26,205		)	(23,459		)
	Depreciation/amortization expense ^{(1) (2)}	(33,585		)	(33,408		)
	Gain on property dispositions	741			4,158
	Equity in earnings of unconsolidated joint ventures	7,009			6,764
	General and administrative expense ^{(1) (2)}	(13,158		)	(10,725		)
	Leasing cost	(3,208		)	(2,812		)
	Other operating expenses ⁽²⁾	(2,268		)	(2,502		)
	Discontinued operations excluding gain and impairment on property dispositions	(6,119		)	(12,995		)
	Income taxes ^{(1) (2)}	(242		)	(12		)
	Other	5,725			(2,445		)
Income from continuing operations		$	40,962		$	40,718


(1)	Includes activity in discontinued operations.


(2)	Excludes costs that are included in determining net operating income.

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The Company's total assets by reportable segment as of March 31, 2019 and December 31, 2018 is as follows (in thousands):



	March 31, 2019		December 31, 2018
Carolinas/Richmond	$	526,631	$	525,041
Chicago/Minnesota	588,169		591,792
Cincinnati/Columbus/Indianapolis	132,501		131,400
Dallas	305,929		261,538
Florida	543,304		547,232
Houston	586,409		568,756
Lehigh/Central PA	1,208,754		1,210,220
Philadelphia	609,011		624,373
Southern California	703,117		660,688
United Kingdom	409,821		463,162
Other	1,152,581		1,153,518
Segment-level total assets	6,766,227		6,737,720
Corporate Other	172,352		196,672
Total assets	$	6,938,579	$	6,934,392

Note 7 : Impairment or Disposal of Long-Lived Assets

In 2017, the Company initiated a strategic shift whereby it planned to divest of its remaining suburban office properties. In the third quarter of 2018, the Company updated its strategy whereby it plans to divest of all of its remaining office properties. The Company determined that the strategic shift would have a major effect on its operations and financial results. As such, properties sold or those that meet the criteria to be classified as held for sale within the corporate strategy were classified within discontinued operations. Consistent with the held for sale criteria these properties are expected to be sold within one year . As the result of the classification within discontinued operations, the in-service assets and liabilities of this portfolio are required to be presented as held for sale for all prior periods presented in our Consolidated Balance Sheets. Operating results pertaining to these properties were reclassified to discontinued operations for all prior periods presented in our Consolidated Statements of Comprehensive Income.

The following table illustrates the number of sold or held for sale properties included in, or excluded from, discontinued operations:



	Held for Sale as of March 31, 2019	Sold during the three months ended March 31, 2019	Sold during the year ended December 31, 2018	Total
Properties included in discontinued operations	16	4	37	57
Properties included in continuing operations	2	—	2	4
Properties sold or classified as held for sale	18	4	39	61

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The properties held for sale with operating results in discontinued operations as of March 31, 2019 were located in the following reportable segments: five properties in Southeastern PA, one property in Chicago/Minneapolis, nine properties in Philadelphia and one property in DC Metro.

A summary of the results of operations for the properties classified as discontinued operations is as follows (in thousands):



	Three Months Ended
	March 31, 2019			March 31, 2018
Revenues	$	13,264		$	25,631
Operating expenses	(4,288		)	(6,572		)
Depreciation and amortization	(1,981		)	(5,246		)
Impairment expense	(10,274		)	—
Interest and other income	(158		)	(3		)
Income taxes	(32		)	(26		)
Interest expense	(686		)	(789		)
Gain on property dispositions	18,941			90,012
Income from discontinued operations	14,786			103,007
Noncontrolling interest - operating partnership	(343		)	(2,400		)
Income from discontinued operations available to common shareholders	$	14,443		$	100,607

Interest expense has been allocated to discontinued operations. The allocation of interest expense to discontinued operations was based on the ratio of net assets sold and held for sale included in discontinued operations to the sum of total net assets plus consolidated debt.

Capital expenditures on a cash basis related to properties within discontinued operations for the three months ended March 31, 2019 and 2018 were $1.5 million and $16.2 million , respectively.

Assets Held for Sale

As of March 31, 2019 , 18 properties were classified as held for sale, of which 16 properties met the criteria to be classified within discontinued operations and two properties were classified within continuing operations.

The following table illustrates aggregate balance sheet information for all held for sale properties (in thousands):



	March 31, 2019									December 31, 2018
	Included in Continuing Operations			Included in Discontinued Operations			Total			Included in Continuing Operations			Included in Discontinued Operations			Total
Land and land improvements	$	2,444		$	88,251		$	90,695		$	1,301		$	108,001		$	109,302
Buildings and improvements	16,577			297,375			313,952			5,638			371,461			377,099
Land held for development	36,957			—			36,957			26,253			—			26,253
Accumulated depreciation	(2,814		)	(45,440		)	(48,254		)	(1,546		)	(66,176		)	(67,722		)
Deferred financing and leasing costs, net	382			12,443			12,825			58			13,539			13,597
Other assets	796			16,875			17,671			164			19,023			19,187
Total assets held for sale	$	54,342		$	369,504		$	423,846		$	31,868		$	445,848		$	477,716

Total liabilities held for sale	$	3,695		$	14,340		$	18,035		$	141		$	16,924		$	17,065

Impairment Charges - Real Estate Assets

The Company recorded $10.4 million of impairment charges during the three months ended March 31, 2019 . There were no such charges during the three months ended March 31, 2018. Of the impairment charges recorded in the current year quarter, $10.3 million was related to an office building held for sale in the Company's DC Metro segment and is included in discontinued operations in the Company's Consolidated Statements of Comprehensive Income. The remaining $99,000 of impairment was related to a land parcel held for sale in the Company's Houston segment and is classified as continuing operations.

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The Company determined these impairments based on third party offer prices and quoted offer prices for comparable transactions which are Level 2 and Level 3 inputs, respectively, according to the fair value hierarchy established in ASC 820.

The Company has applied reasonable estimates and judgments in evaluating each of its properties and land held for development and has determined that there are no additional valuation adjustments necessary at March 31, 2019 . Should external or internal circumstances change requiring the need to shorten the holding periods or adjust the estimated future cash flows of the Company’s assets, the Company could be required to record additional impairment charges in the future.

Note 8: Noncontrolling Interests of the Trust

Noncontrolling interests in the accompanying financial statements represent the interests of the common and preferred units in the Operating Partnership not held by the Trust. In addition, noncontrolling interests include third-party ownership interests in consolidated joint venture investments.

Common units

The common units of the Operating Partnership not held by the Trust outstanding as of March 31, 2019 have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units of the Operating Partnership not held by the Trust share proportionately in the net income or loss and in any distributions of the Operating Partnership. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at March 31, 2019 was $ 170.4 million .

Note 9: Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

Limited partners' equity in the accompanying financial statements represents the interests of the common and preferred units in the Operating Partnership not held by the Trust. The Operating Partnership's noncontrolling interest includes third-party ownership interests in consolidated joint venture investments.

Common units

The common units outstanding have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units as of March 31, 2019 not held by the Trust are the limited partners' equity - common units held by persons and entities other than the Trust. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at March 31, 2019 was $ 170.4 million .

Note 10: Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units

As of March 31, 2019 , the Company had outstanding the following cumulative preferred units of the Operating Partnership:



ISSUE	AMOUNT		UNITS	LIQUIDATION PREFERENCE		DIVIDEND RATE
	(in 000’s)
Series I-2	$	5,337	213	$	25	6.25	%

The preferred units are putable at the holder's option at any time and are callable at the Operating Partnership's option after a stated period of time for cash. During the three months ended March 31, 2019, 88,000 preferred units were redeemed for $2.2 million .

Note 11: Indebtedness

In January 2019, the Company issued $350 million of 4.375% senior unsecured notes due 2029. The net proceeds from this issuance were used to repay borrowings under the Company's unsecured credit facilities and for general corporate purposes.

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Note 12: Fair Value of Financial Instruments

ASC 820, Fair Value Measurements and Disclosures , provides guidance on the fair value measurement of a financial asset or liability. Inputs used to develop fair value are classified in one of three categories: Level 1 inputs (quoted prices (unadjusted) in active markets for identical assets or liabilities), Level 2 inputs (inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly) and Level 3 inputs (unobservable inputs for the asset or liability).

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies. However, considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the following estimates are not necessarily indicative of the amounts the Company could have realized on disposition of the financial instruments at December 31, 2018 and March 31, 2019 . The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

The carrying value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable, accrued interest, dividend and distributions payable and other liabilities are reasonable estimates of fair value because of the short-term nature of these instruments. The carrying value of the outstanding amounts under the Company's credit facilities is a reasonable estimate of fair value because interest rates float at a rate based on LIBOR.

The Company determines the fair value of its interest rate swaps by using the standard methodology of netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to be not significant inputs for the fair value calculations for the periods presented. See Note 14 - Derivative Instruments.

The Company used a discounted cash flow model to determine the estimated fair value of its debt as of December 31, 2018 and March 31, 2019 . This is a Level 3 fair value calculation. The inputs used in preparing the discounted cash flow model include actual maturity dates and scheduled cash flows as well as estimates for market value discount rates. The Company updates the discounted cash flow model on a quarterly basis to reflect any changes in the Company's debt holdings and changes to discount rate assumptions.

The following summarizes the fair value of the Company's mortgage loans and unsecured notes as of December 31, 2018 and March 31, 2019 (in thousands):



	Mortgage Loans				Unsecured Notes
	Carrying Value		Fair Value		Carrying Value		Fair Value
As of December 31, 2018	$	395,202	$	397,167	$	2,285,698	$	2,295,699
As of March 31, 2019	$	396,690	$	396,930	$	2,632,089	$	2,722,758

Note 13 : Unconsolidated Joint Ventures

Liberty Property 18th & Arch LP and Liberty Property 18th & Arch Hotel, LP

On June 30, 2014, the Company entered into two joint ventures for the purpose of developing and owning the Comcast Technology Center (the “Project”) located in Philadelphia, Pennsylvania as part of a mixed-use development. The 60 -story building includes 1.3 million square feet of leasable office space (the “Office”), which is substantially complete, and will include a 219 -room Four Seasons Hotel (the “Hotel”) (collectively, “Liberty Property 18th and Arch”). Project costs for the development of the Project, exclusive of tenant-funded interior improvements, are anticipated to be approximately $962 million . As of March 31, 2019, the Company's investment in the project is $193 million and is reflected in investments in and advances to unconsolidated joint ventures in the Company's consolidated balance sheet. These joint ventures are part of the Company's Philadelphia reportable segment.

As of March 31, 2019 the Office was substantially complete and the Hotel, representing an aggregate Total Investment by the Hotel joint venture of $226.1 million when completed, continued to be developed by the Hotel joint venture.

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its third-party contractor that the contractor has incurred cost overruns and expects to incur additional construction costs in connection with completing the Project in excess of the guaranteed maximum price payable to the contractor under the GMP Contracts, which guaranteed maximum price has been previously adjusted pursuant to accepted change orders. The Company intends to pursue all remedies to recover from the third-party contractor any amounts expended by the Company or the joint ventures in excess of their contractual obligations. However, the general contractor has generally refused to fund the additional costs, and the Company has funded, and may continue to fund, cost overruns in compliance with its obligations under its development cost guarantee to the joint ventures. Accordingly, reflective of amounts funded by the Company, a s of March 31, 2019 and December 31, 2018, the Company's accrual was $44.5 million and $67.3 million , respectively, relating to the above-described development cost guarantees, which are included in other liabilities in the accompanying consolidated balance sheets. The Company is accounting for the development of the Project using the percentage of completion method. The Company recognized a loss of $1.8 million for the three months ended March 31, 2018 in development service fee income, net of development service fee expense and other related expenses. There was no loss or gain recognized related to the Project during the three months ended March 31, 2019.

In addition to the costs to comply with the Company's obligations under its development cost guarantee, claims have been asserted by the third-party contractor and certain subcontractors. There can be no assurances that amounts incurred, including as a result of such claims, will not exceed the above estimates. The Company is not able to reasonably estimate the amount of additional expenses, if any, that it may incur as a result of such claims, and accordingly any potential exposure of the Company for such claims is not included within the accrual described above. If the Company were to incur additional expenses in connection with its development cost guarantee or in connection with such claims, such amounts would be accrued when they are determined to be probable of being incurred and are reasonably estimable, and could be material to the Company’s results of operations in future periods. If the Company were to subsequently recover any of the cost overruns initially funded by the Company, such recoveries would be recorded when and if realized in future periods.

Cambridge Medipark Ltd

During the three months ended March 31, 2019 and 2018, Cambridge Medipark, Ltd (a joint venture in which the Company holds a 50% interest) recognized gains on the sale of land leasehold interests. The Company's share of these gains was $775,000 and $2.0 million for the three months ended March 31, 2019 and 2018, respectively.

Note 14 : Derivative Instruments

The Company borrows funds at a combination of fixed and variable rates. Borrowings under the Company's revolving credit facility and certain bank mortgage loans bear interest at variable rates. Other long-term debt typically bears interest at fixed rates. The Company's interest rate risk management objectives are to limit generally the impact of interest rate changes on earnings and cash flows and to lower the Company's overall borrowing costs. To achieve these objectives, from time to time, the Company enters into interest rate hedge contracts such as collars, swaps, caps and treasury lock agreements in order to mitigate our interest rate risk with respect to various debt instruments. The Company generally does not hold or issue these derivative contracts for trading or speculative purposes.

Interest rate swaps involve the receipt of variable-rate amounts from a counterparty in exchange for making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. The changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive loss and noncontrolling interest (for the Trust) and general partner's equity and limited partners ’ equity - common units (for the Operating Partnership) and is subsequently reclassified into interest expense in the period that the hedged forecasted transaction affects earnings.

The Company determines the fair value of its interest rate swaps by netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to be not significant inputs for the fair value calculations for the periods presented.

The Company holds an interest in two interest rate swap contracts (“Swaps”) that eliminate the impact of changes in interest rates on the payments required under variable rate mortgages. The Swaps had aggregate notional amounts of $66.3 million and $66.8 million at March 31, 2019 and December 31, 2018 , respectively, and expire in 2020 .

In addition, in 2018, in anticipation of conducting the offering of senior notes described in Note 11, the Operating Partnership entered into two interest rate lock agreements tied to the U.S. treasury rate for an aggregate notional amount of $200 million . An interest rate lock is a tool used to manage interest-rate risk by effectively securing interest rates on federal government securities as of the agreement date, to cover future expenses that will be financed by a debt offering. One agreement had a notional amount of $100 million and expired and was settled in 2018 for $2.4 million . The second agreement had a notional amount of $100 million

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and expired in 2019. It was settled prior to consummation of the January 2019 offering of senior notes for $3.3 million . The interest rate lock agreements qualified as cash flow hedges with respect to the senior notes offering and, as such, the settlements of $5.7 million will be amortized into interest expense over the respective term of the notes.

The Company accounts for the changes in the fair value of a derivative in accumulated other comprehensive loss and subsequently reclassifies amounts to earnings over the term that the hedged transaction affects earnings.

The following table presents the location in the financial statements of the gains or losses recognized related to the Company’s cash flow hedges for the three months ended March 31, 2019 and 2018 (in thousands):



	Three Months Ended
	March 31, 2019		March 31, 2018
Amount of gain related to the effective portion recognized in other comprehensive (loss) income	$	559	$	402
Total Amount of Interest Expense Presented in the Consolidated Statements of Comprehensive Income	25,519		22,670

The following table presents the fair value of the Company’s derivative financial instruments as well as their classification on the accompanying consolidated balance sheets as of March 31, 2019 and December 31, 2018 (amounts in thousands):



	Derivatives
		Fair Value at:
	Balance Sheet Location	March 31, 2019		December 31, 2018
Derivatives designated as hedging instruments:
Interest Rate Swaps	Other Liabilities	$	591	$	677
Interest Rate Treasury Locks	Other Liabilities	—		3,972
Total		$	591	$	4,649

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on the Company’s variable-rate debt. The Company estimates that $0.2 million will be reclassified from accumulated other comprehensive loss as an increase to interest expense over the next 12 months.

The Company has agreements with its derivative counterparties that contain a provision whereby if the Company defaults on any of its indebtedness, including defaults where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. If the Company were to breach any of the contractual provisions of the derivative contracts, it would be required to settle its obligations under the agreements at their termination value including accrued interest, which totaled approximately $0.7 million as of March 31, 2019 .

Note 15: Commitments and Contingencies

Environmental Matters

Substantially all of the Company's properties and land were subject to Phase I Environmental Assessments and when appropriate Phase II Environmental Assessments (collectively, the “Environmental Assessments”) obtained in contemplation of their acquisition by the Company or obtained by predecessor owners prior to the sale of the property or land to the Company. The Environmental Assessments did not reveal, nor is the Company aware of, any non-compliance with environmental laws, environmental liability or other environmental claim that the Company believes would likely have a material adverse effect on the Company.

Legal Matters

From time to time, the Company is a party to a variety of legal proceedings, claims and assessments arising in the normal course of business. As of March 31, 2019 there were no legal proceedings, claims or assessments that the Company expects to have a material adverse effect on the Company. However, see Note 13 for discussion of Comcast Technology Center.

Other

As of March 31, 2019 , the Company had letter of credit obligations of $8.3 million .

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As of March 31, 2019 , the Company had 25 buildings under development. These buildings are expected to contain, when completed, a total of 7.5 million square feet of leasable space and represent an anticipated aggregate investment of $661.1 million . At March 31, 2019 , development in progress totaled $440.6 million . In addition, as of March 31, 2019 , the Company had invested $9.1 million in deferred leasing costs related to these development buildings.

The Company is currently developing two properties for its unconsolidated joint ventures which represent an anticipated aggregate investment by the joint ventures of $ 236.4 million .

As of March 31, 2019, the Company was committed to the following:


•	$13.3 million in improvements on certain buildings and land parcels;


•	$44.5 million in future land acquisitions which it expects to complete during the year ending December 31, 2019;


•	up to $19.4 million of tenant improvements not yet completed; and


•	infrastructure improvements of $564,000 .

The Company maintains cash and cash equivalents at financial institutions. The combined account balances at each institution typically exceed FDIC insurance coverage and, as a result, there is a concentration of credit risk related to amounts on deposit in excess of FDIC insurance coverage. The Company believes the risk is not significant.

Two unconsolidated joint ventures in which the Company holds an interest have engaged the Company as the developer of the Comcast Technology Center (the “Project") pursuant to a Development Agreement by which the Company agrees, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. See Note 13 for details on the commitments and contingencies associated with the Project.

Note 16: Supplemental Disclosure to Consolidated Statements of Cash Flows

The following are supplemental disclosures to the consolidated statements of cash flows for the three months ended March 31, 2019 and 2018 (amounts in thousands):



	2019			2018
Write-off of fully depreciated/amortized property and deferred costs - properties included in continuing operations	$	1,105		$	6,903
Write-off of fully depreciated/amortized property and deferred costs - properties included in discontinued operations	$	—		$	6
Write-off of depreciated property and deferred costs due to sale - properties included in continuing operations	$	—		$	3,045
Write-off of depreciated property and deferred costs due to sale - properties included in discontinued operations	$	12,049		$	96,936
Changes in accrued development capital expenditures - properties included in continuing operations	$	(1,981	)	$	622
Changes in accrued development capital expenditures - properties included in discontinued operations	$	(806	)	$	(2,664	)
Unrealized (loss) gain on cash flow hedge	$	(1,854	)	$	385
Capitalized equity-based compensation	$	436		$	185

Amounts paid in cash for deferred leasing costs incurred in connection with signed leases with tenants are paid in conjunction with improving (acquiring) property, plant and equipment. Such costs are not contained within net real estate. However, they are integral to the completion of a tenant lease and ultimately are related to the improvement and thus the value of the Company’s property, plant and equipment. They are therefore included in investing activities in the Company’s consolidated statements of cash flows.

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The following is a reconciliation of the Company's cash and cash equivalents and restricted cash at the beginning and end of the three months ended March 31, 2019 and 2018 (amounts in thousands):



	2019		2018
Cash and cash equivalents at beginning of period	$	84,923	$	11,882
Restricted cash at beginning of period	10,899		13,803
Cash and cash equivalents and restricted cash at beginning of period	$	95,822	$	25,685

Cash and cash equivalents at end of period	$	96,949	$	30,380
Restricted cash at end of period	17,696		9,366
Cash and cash equivalents and restricted cash at end of period	$	114,645	$	39,746

Restricted cash includes tenant security deposits and escrow funds that the Company maintains pursuant to certain mortgage loans. Restricted cash also includes the undistributed proceeds from the sale of land in Kent County, United Kingdom.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

Liberty Property Trust (the “Trust”) is a self-administered and self-managed Maryland real estate investment trust (“REIT”). Substantially all of the Trust’s assets are owned directly or indirectly, and substantially all of the Trust’s operations are conducted directly or indirectly, by its subsidiary, Liberty Property Limited Partnership, a Pennsylvania limited partnership (the “Operating Partnership” and, collectively with the Trust and their consolidated subsidiaries, the “Company”).

The Company owns and operates industrial properties nationally, as well as in the United Kingdom.

As previously reported, and as further summarized below, the Company undertook several significant transactions in recent years consistent with its strategy to divest its remaining office Properties (other than its headquarters) and focus its efforts and capital solely on its industrial platform, which favors industrial properties and markets with strong demographic and economic fundamentals. In furtherance of this strategy, the Company has substantially divested of its suburban office Properties, and expects to divest its remaining metro-office Properties over the next few years. The Company plans to reinvest the proceeds of these divestments in acquisitions and new development in targeted industrial markets. The Company anticipates that this strategy will yield benefits over time, including a higher rate of rental growth and a lower level of lease transaction costs and other capital costs for industrial properties as opposed to office properties. The Company believes that this strategy has resulted in an improvement in the average quality and geographic location of its properties. The Company also believes that the benefits of the strategy will outweigh the short-term reduction in operating cash flow resulting from the disposition of its office Properties. There can be no assurance, however, that the benefits of the Company’s strategy will be realized.

As of March 31, 2019 the Company owned the following Properties in Operation (square feet in thousands):



	Number of Operating Industrial Properties	Number of Operating Non-Core Properties	Total Number of Properties	Total Square Feet
Wholly Owned Properties in Operation	491	18	509	93,031
JV Properties in Operation (at 100%)	48	18	66	14,852
Properties in Operation	539	36	575	107,883

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As of March 31, 2019 the Company owned the following "Properties under Development" and "Properties held for Redevelopment/Value-Added" (square feet upon completion in thousands):



	Number of Properties	Total Square Feet		Acres of Developable Land
Wholly Owned Properties under Development	25	7,506		1,411
JV Properties under Development (at 100%)	2	134	⁽¹⁾	339
Properties under Development	27	7,640		1,750

Wholly Owned Properties held for Redevelopment/Value-Added	7	608		—
JV Properties held for Redevelopment/Value-Added (at 100%)	1	48		—
Properties held for Redevelopment/Value-Added	8	656		—

(1) Including a 219-room hotel, which is excluded from square footage total.

The Company focuses on creating value for shareholders and increasing profitability and cash flow. With respect to its Properties in Operation, the Company endeavors to maintain high occupancy levels while maximizing rental rates and controlling costs. The Company pursues development opportunities that it believes will create value and yield acceptable returns. The Company also acquires properties that it believes will create long-term value, and disposes of properties that no longer fit within the Company’s strategic objectives or in situations where it can optimize cash proceeds.

The Company’s operating results depend primarily upon income from rental operations and are substantially influenced by rental demand for the Properties in Operation. During the three months ended March 31, 2019 , GAAP rents on retained and replacement industrial leases were on average 16.3% higher than rents on expiring leases. During the three months ended March 31, 2019 , the Company leased 8.9 million square feet. The following details the Company's occupancy as of March 31, 2019 and December 31, 2018:



	March 31, 2019		December 31, 2018
Wholly owned operating industrial properties	95.3	%	95.7	%
Wholly owned operating non-core properties	98.0	%	85.0	%
Wholly owned total	95.3	%	95.4	%

Joint venture operating industrial properties	97.9	%	99.5	%
Joint venture operating non-core properties	98.0	%	97.0	%
Joint venture total	97.8	%	98.9	%

During the third quarter of 2018, the Sears Holdings Corporation ("Sears") filed for reorganization under Chapter 11 of the federal bankruptcy laws. Subsequent to March 31, 2019, Sears rejected a lease for 849,000 square feet in the Company's Lehigh/Central PA reportable segment (see below). As of March 31, 2019, this tenant represented 0.8% of square feet of the Company's Properties in Operation and 0.8% of Net Rent (see Properties in Operation below for definition of Net Rent).

Based on the Company's current outlook, the Company anticipates that property level operating income for the Same Store (defined below) group of industrial properties will increase for the full year 2019, compared to 2018, driven primarily by new and renewal leases being executed at higher rental rates than those of expiring leases. For the full year 2019, compared to 2018, the Company expects Same Store occupancy levels to remain relatively consistent with those in 2018.

The assumptions presented above are forward-looking and are based on the Company’s future view of market and general economic conditions, as well as other risks outlined below under the caption “Forward-Looking Statements.” There can be no assurance that the Company’s actual results will not differ materially from assumptions set forth above. The Company assumes no obligation to update these assumptions in the future.

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Wholly Owned Capital Activity

Acquisitions

During the three months ended March 31, 2019 , the Company acquired five properties for an aggregate purchase price of $127.5 million. These properties, which collectively contain 1.1 million square feet of leaseable space, were 91.2% occupied as of March 31, 2019.

During the three months ended March 31, 2019 , the Company acquired two parcels of land collectively containing 179.7 acres for an aggregate purchase price of $7.7 million.

Dispositions

During the three months ended March 31, 2019 , the Company realized proceeds of $85.2 million from the sale of four properties totaling 297,000 square feet.

During the three months ended March 31, 2019 , the Company realized proceeds of $4.0 million from the sale of 0.8 acres of land.

Development

During the three months ended March 31, 2019 , the Company brought into service six Wholly Owned Properties under Development representing 850,000 square feet and a Total Investment of $89.1 million. During the three months ended March 31, 2019 , the Company initiated two Wholly Owned Properties under Development with a projected Total Investment of $18.1 million.

As of March 31, 2019 , the Company had 25 Wholly Owned Properties under Development with a projected Total Investment of $661.1 million. These Wholly Owned Properties under Development were 71.3% pre-leased as of March 31, 2019 .

“Total Investment” for a Property Under Development is defined as the sum of the land costs and the costs of land improvements, building and building improvements, lease transaction costs, and where appropriate, other development costs and carrying costs.

Unconsolidated Joint Venture Capital Activity

The Company periodically enters into unconsolidated joint venture relationships in connection with the execution of its real estate operating strategy.

Acquisitions/Dispositions

None of the unconsolidated joint ventures in which the Company holds an interest sold or acquired any operating properties or land parcels during the three months ended March 31, 2019 .

Development

As of March 31, 2019 , an unconsolidated joint venture in which the Company holds an interest had one JV Property under Development (exclusive of the 18th & Arch Hotel, which is more specifically discussed below) which is expected to comprise, upon completion, 134,000 square feet and is expected to represent a Total Investment by the joint venture of $10.3 million. The JV Property under Development was 54.6% pre-leased as of March 31, 2019 . There were no development starts during the three months ended March 31, 2019 by an unconsolidated joint venture in which the Company holds an interest.

In addition, joint ventures in which the Company holds an interest continued the development of the Comcast Technology Center (the “Project”). The 219 -room Four Seasons hotel representing an aggregate Total Investment by the Hotel joint venture of $226.1 million when completed continued to be developed by the Hotel joint venture as of March 31, 2019 .

The two joint ventures have engaged the Company as the developer of the Project pursuant to a Development Agreement by which the Company agrees, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. To mitigate its risk, the Company entered into guaranteed maximum price contracts with a third party contractor (the "GMP Contracts") to construct the Project. The Company has been notified by its third-party contractor that the contractor has incurred cost overruns and expects to incur additional construction costs in connection with completing the Project in excess of the guaranteed maximum price payable to the contractor under the GMP Contracts, which guaranteed maximum price has been previously adjusted pursuant to accepted change orders. The Company intends to pursue all remedies to recover from the third-party contractor any amounts expended by the Company or the joint ventures in excess of their contractual obligations. However, the general contractor has generally refused to fund the additional costs, and the Company has funded, and may continue to fund, cost overruns in compliance with its obligations under its development cost guarantee to the joint ventures. Accordingly, as of March 31, 2019 and December 31, 2018, the Company's accrual was $44.5

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million and $67.3 million, respectively, relating to the above-described development cost guarantees (net of amounts funded by the Company) which are included in other liabilities in the accompanying consolidated balance sheets. The Company is accounting for the development of the Project using the percentage of completion method. The Company recognized a loss of $1.8 million for the three months ended March 31, 2018 in development service fee income, net of development service fee expense and other related expense. There was no loss or gain recognized related to the Project during the three months ended March 31, 2019.

Properties in Operation

The composition of the Company’s Properties in Operation as of March 31, 2019 and 2018 was as follows (square feet in thousands):



	Rental Revenue Per Square Foot ⁽¹⁾				Total Square Feet Occupied		Percent Occupied
	March 31,				March 31,		March 31,
	2019		2018		2019	2018	2019		2018
Wholly Owned Properties in Operation:	$	7.14	$	6.96	87,342	81,006	95.3	%	97.1	%
JV Properties in Operation: ⁽²⁾	$	6.49	$	6.26	11,079	10,343	97.9	%	93.9	%
Properties in Operation:	$	7.06	$	6.88	98,421	91,349	95.6	%	96.7	%

Non-Core Properties	$	46.30	$	40.04	4,815	6,566	97.9	%	95.9	%

(1) Rental revenue represents the GAAP rent including variable payments per square foot at March 31, 2019 or 2018 for tenants in occupancy.

(2) JV Properties in Operation represents the properties owned by unconsolidated joint ventures in which the Company had an interest during the respective periods. Unconsolidated joint ventures in which the Company holds an interest owned 66 and 65 properties as of March 31, 2019 and 2018 , respectively.

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The table below details the vacancy activity during the three months ended March 31, 2019 :



	Total Square Feet
	Wholly Owned Properties in Operation			JV Properties in Operation			Properties in Operation
Vacancy Activity
Vacancy at January 1, 2019	3,782,667			157,584			3,940,251
Acquisition vacant space	176,000			—			176,000
Completed development vacant space	817,136			—			817,136
Disposition vacant space	(50,427		)	—			(50,427		)
Expirations	6,470,597			1,667,736			8,138,333
Property structural changes/other	—			8			8
Leasing activity	(6,868,587		)	(1,505,354		)	(8,373,941		)
Vacancy at March 31, 2019	4,327,386			319,974			4,647,360

Capital expenditures - turnover costs per square foot ⁽¹⁾	$	2.50		$	1.84		$	2.35

(1) Capital expenditures - turnover costs include tenant improvement and lease transaction costs.

Forward-Looking Statements

When used throughout this report, the words “believes,” “anticipates,” “estimates” and “expects” and similar expressions are intended to identify forward-looking statements. Such statements indicate that assumptions have been used that are subject to a number of risks and uncertainties that could cause actual financial results or management plans and objectives to differ materially from those projected or expressed herein. These risks, uncertainties and other factors include, without limitation, uncertainties affecting real estate business generally (such as entry into new leases, retention of leases and dependence on tenants’ business operations), risks relating to our ability to maintain and increase property occupancy and rental rates, risks relating to the continued repositioning of the Company's portfolio, risks relating to construction and development activities, risks relating to acquisition and disposition activities, risks relating to the integration of the operations of entities that we have acquired or may acquire, risks relating to joint venture relationships and any possible need to perform under certain guarantees that we have issued or may issue in connection with such relationships, risks related to properties developed by the Company on a fee basis, risks associated with tax abatement, tax credit programs, or other government incentives, possible environmental liabilities, risks relating to leverage and debt service (including availability of financing terms acceptable to the Company and sensitivity of the Company's operations and financing arrangements to fluctuations in interest rates), dependence on the primary markets in which the Company's properties are located, the existence of complex regulations relating to status as a REIT and the adverse consequences of the failure to qualify as a REIT, risks relating to litigation and the potential adverse impact of market interest rates on the market price for the Company's securities, and other risks and uncertainties detailed in the Company’s filings with the Securities and Exchange Commission. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such statements.

Critical Accounting Policies and Estimates

Refer to the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 for a discussion of critical accounting policies which include capitalized costs, revenue recognition, collectibility of receivables, impairment charges - real estate assets, intangibles, investments in unconsolidated joint ventures and derivative instruments and hedging activities. During the three months ended March 31, 2019 , there were no material changes to these policies except for the adoption of Accounting Standards Codification Topic 842 - Leases (see Note 1 to the Company's financial statements).

Results of Operations

The following discussion is based on the consolidated financial statements of the Company. It compares the results of operations of the Company for the three months ended March 31, 2019 with the results of operations of the Company for the three months ended March 31, 2018 . As a result of the varying levels of development, acquisition and disposition activities the overall operating results of the Company during such periods are not directly comparable. However, certain data, including the Industrial Same Store comparison, do lend themselves to direct comparison.

This information should be read in conjunction with the accompanying consolidated financial statements and notes included elsewhere in this report.

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Comparison of Three Months Ended March 31, 2019 to Three Months Ended March 31, 2018

Rental Revenue

Rental revenue was $156.9 million for the three months ended March 31, 2019 compared to $146.4 million for the same period in 2018 . This increase of $10.5 million was primarily due to rental revenue related to acquisitions and completed development.

Rental Property Expense

Rental property expense was $13.6 million for the three months ended March 31, 2019 compared to $13.3 million for the same period in 2018 . This increase was primarily due to rental property expense related to acquisitions and completed development partially offset by a decrease in bad debts expensed. For the three months ended March 31, 2019 bad debt was recorded as a reduction to rental revenue.

Real Estate Taxes

Real estate taxes were $22.5 million for the three months ended March 31, 2019 compared to $21.6 million for the same period in 2018 . This increase of $900,000 was primarily due to real estate taxes associated with acquisitions and completed development properties.

Segments

The Company evaluates the performance of the Wholly Owned Properties in Operation and Wholly Owned Properties held for Redevelopment in terms of NOI by reportable segment (see Note 6 to the Company’s financial statements for a reconciliation of this measure to income from continuing operations). The following table identifies changes to NOI in reportable segments (dollars in thousands):



	Three Months Ended				Percentage Increase (Decrease)
	March 31,
	2019		2018
Carolinas/Richmond	$	14,332	$	14,047	2.0	%
Chicago/Minneapolis	10,335		9,901		4.4	%
Cincinnati/Columbus/Indianapolis	2,770		3,268		(15.2	%)	⁽¹⁾
Dallas	3,390		2,473		37.1	%	⁽²⁾
Florida	11,436		10,819		5.7	%
Houston	8,865		9,597		(7.6	%)
Lehigh/Central PA	28,427		27,767		2.4	%
Philadelphia	8,075		10,154		(20.5	%)	⁽³⁾
Southern California	7,447		5,228		42.4	%	⁽²⁾
United Kingdom	2,981		2,429		22.7	%	⁽²⁾
Other	14,214		22,471		(36.7	%)	⁽³⁾
Total NOI	$	112,272	$	118,154	(5.0	%)


(1)	The decrease was primarily due to a decrease in occupancy.


(2)	The increase was primarily due to an increase in average gross investment in operating real estate.


(3)	The decrease was primarily due to a decrease in average gross investment in operating real estate.

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Industrial Same Store

Property level operating income, exclusive of termination fees, for the Industrial Same Store properties is identified in the table below.

The Industrial Same Store results were affected by changes in occupancy and rental rates as detailed below.



	Three Months Ended
	March 31,
	2019			2018
Average occupancy %	95.9		%	96.9		%
Average rental rate - rental revenue ⁽¹⁾	$	6.94		$	6.83


(1)	Rental revenue represents the GAAP rent including variable payments per square foot at March 31, 2019 or 2018 for tenants in occupancy.

Management generally considers the performance of the Industrial Same Store properties to be a useful financial performance measure because the results are directly comparable from period to period. In addition, Industrial Same Store property level operating income and Industrial Same Store cash basis property level operating income are considered by management to be more reliable indicators of the portfolio’s baseline performance. Industrial Same Store properties include industrial operating properties that had reached stabilization as of January 1, 2018 (i.e., properties owned and stabilized in both the current and prior year), and exclude industrial properties held for redevelopment or that had been sold as of the end of the current quarter. As of March 31, 2019 , there were 452 Industrial Same Store properties totaling 82.6 million square feet.

Set forth below is a schedule comparing the property level operating income, on a GAAP basis and on a cash basis, for the Industrial Same Store properties for the three months ended March 31, 2019 and 2018 . Industrial Same Store property level operating income and cash basis property level operating income are non-GAAP measures and do not represent operating income because they do not reflect all of the consolidated operations of the Company. Investors should review Industrial Same Store results, along with NAREIT Funds from operations (see “Liquidity and Capital Resources” below), U.S. GAAP net income and cash flow from operating activities, investing activities and financing activities when considering the Company’s operating performance. Also set forth below is a reconciliation of Industrial Same Store property level operating income and cash basis property level operating income to net income (in thousands).

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	Three Months Ended
	March 31, 2019			March 31, 2018
Reconciliation of non-GAAP financial measure – Industrial Same Store:
Net income	$	55,748		$	143,725
Discontinued operations	(14,786		)	(103,007		)
Equity in earnings of unconsolidated joint ventures	(7,009		)	(6,764		)
Income taxes	832			528
Gain on property dispositions	(741		)	(4,158		)
Interest expense	25,519			22,670
Interest and other income	(3,394		)	(2,494		)
Impairment charges - real estate assets	99			—
Development service fee expense	833			28,067
Depreciation and amortization expense	43,484			39,659
Other operating expense	2,268			2,502
Leasing expense	3,208			2,812
General and administrative expense	15,607			14,335
Development service fee income	(864		)	(26,352		)
Termination fees	(296		)	(1,514		)
Non-same store properties NOI	(11,912		)	(3,250		)
Industrial Same Store property level operating income	108,596			106,759
Less straight line rent adjustment	1,783			4,612
Industrial Same Store cash basis property level operating income	$	106,813		$	102,147

Industrial Same Store:
Rental revenue	$	140,344		$	138,976
Operating expenses:
Rental property expense	(12,680		)	(12,632		)
Real estate taxes	(19,068		)	(19,585		)
Industrial Same Store property level operating income	108,596			106,759
Less straight line rent adjustment	1,783			4,612
Industrial Same Store cash basis property level operating income	$	106,813		$	102,147

Development Service Fee Income and Expense

Development Service fee activity changed to an aggregate net profit of $31,000 for the three months ended March 31, 2019 compared to an aggregate net loss of $1.7 million for the three months ended March 31, 2018 . The change was primarily due to a net loss on development service fee income and expense in the Company's Philadelphia reportable segment during the three months ended March 31, 2018. See Note 13 to the Company's financial statements.

General and Administrative

General and administrative expenses increased to $ 15.6 million for the three months ended March 31, 2019 compared to $ 14.3 million for the three months ended March 31, 2018 . The increase between the three-month periods was primarily due to annual compensation adjustments and increases in accounting, legal and consulting fees in 2019, offset by a reduction in incentive compensation.

General and administrative expenses include salaries, wages and incentive compensation for general and administrative staff along with related costs, consulting, marketing, public company expenses and other general and administrative costs.

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Leasing Expense

Leasing expense increased to $3.2 million for the three months ended March 31, 2019 compared to $2.8 million for the three months ended March 31, 2018 . This increase was primarily due to legal expenses related to leasing, which are now required to be expensed under the new lease accounting standard. During the three months ended March 31, 2018, these costs were capitalized.

Other Operating Expense

Other operating expenses decreased to $2.3 million for the three months ended March 31, 2019 compared to $2.5 million for the three months ended March 31, 2018 . The decrease was primarily due to a decrease in severance costs partially offset by an increase in systems implementation expense.

Depreciation and Amortization

Depreciation and amortization increased to $ 43.5 million for the three months ended March 31, 2019 from $ 39.7 million for the three months ended March 31, 2018 . This increase was primarily due to increased depreciation and amortization related to acquisitions and completed development since January 1, 2018.

Interest Expense

Interest expense increased to $25.5 million for the three months ended March 31, 2019 from $22.7 million for the three months ended March 31, 2018 . This increase was primarily due to an increase in average debt outstanding, which increased to $3,121.2 million for the three months ended March 31, 2019 compared to $2,917.2 million for the three months ended March 31, 2018 . The increase was also due to an increase in the weighted average interest rate, which was 3.9% for the three months ended March 31, 2019 compared to 3.8% for the three months ended March 31, 2018 . Interest expense was also partially offset by an increase in capitalization of interest, which increased by $1.1 million for the three months ended March 31, 2019 as compared to the three months ended March 31, 2018.

Impairment charges - real estate assets

The Company recognized $99,000 in impairment charges for the three months ended March 31, 2019 related to land held for sale in its Houston reportable segment. There were no such charges for the three months ended March 31, 2018 . See Note 7 to the Company's financial statements.

Equity in Earnings of Unconsolidated Joint Ventures

Equity in earnings of unconsolidated joint ventures increased to $7.0 million for the three months ended March 31, 2019 compared to $6.8 million for the three months ended March 31, 2018 . This increase was primarily due to the repayment of third party joint venture debt resulting in a decrease in interest expense for a joint venture in which the Company holds an interest.

Other

Gain on property dispositions decreased to $741,000 for the three months ended March 31, 2019 compared to $4.2 million for the three months ended March 31, 2018 . This change resulted from the volume and composition of sales included in continuing operations in 2019 as compared to 2018.

Discontinued Operations

A summary of the results of operations for the properties classified as discontinued operations through the respective disposition dates (if applicable) is as follows (in thousands):

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	For the Three Months Ended
	March 31, 2019			March 31, 2018
Rental revenue	$	13,264		$	25,631
Operating expenses	(4,288		)	(6,572		)
Depreciation and amortization	(1,981		)	(5,246		)
Impairment charges - real estate assets	(10,274		)	—
Interest and other income	(158		)	(3		)
Income taxes	(32		)	(26		)
Interest expense	(686		)	(789		)
Gain on property dispositions	18,941			90,012
Income from discontinued operations	$	14,786		$	103,007

Changes in discontinued operations are reflective of the period of time the properties were held during the respective periods. To the extent that a property is sold, or completed and stabilized, during a period, it will only impact the results of such period prior to being sold or completed and stabilized, as the case may be. There were four properties classified as discontinued operations and sold during the three months ended March 31, 2019.

As a result of the foregoing, the Company’s net income decreased to $55.7 million for the three months ended March 31, 2019 from $143.7 million for the three months ended March 31, 2018 .

Liquidity and Capital Resources

Overview

The Company seeks to maintain a conservative balance sheet and pursue a strategy of financial flexibility. The Company's liquidity requirements include operating and general and administrative expenses, shareholder distributions, funding its investment in development properties and joint ventures, funding its development cost guarantee (see Note 13 to the Company's consolidated financial statements) and satisfying interest requirements and debt maturities. The Company believes that proceeds from operating activities, asset sales, its available cash, borrowing capacity from its Credit Facilities (defined below) and its other sources of capital including the public debt and equity markets will provide it with sufficient funds to satisfy these obligations.

The Company is subject to financial covenants contained in some of its debt agreements, the most restrictive of which are related to the Company's Credit Facilities (defined below). As of March 31, 2019 , the Company was in compliance with all financial covenants.

Activity

As of March 31, 2019 , the Company had cash and cash equivalents of $114.6 million , including $17.7 million in restricted cash.

Net cash provided by operating activities decreased to $53.8 million for the three months ended March 31, 2019 from $93.7 million for the three months ended March 31, 2018 . This $39.9 million decrease was due to net cash received on contractual receivables due from home builders relating to land sales in the UK in the first quarter of 2018, and payments in 2019 related to cost overruns on the Comcast Technology Center. See Note 13 to the Company's consolidated financial statements. Net cash flow provided by operating activities is the primary source of liquidity to fund distributions to shareholders and for recurring capital expenditures - property improvements and turnover costs for the Company’s Wholly Owned Properties in Operation.

Net cash (used in) provided by investing activities changed to net cash used in investing activities of $1.8 million for the three months ended March 31, 2019 from net cash provided of $85.1 million for the three months ended March 31, 2018 . This $86.9 million change was primarily due to funding of the Comcast Technology Center joint ventures for completion of the development of the property during 2018 and relative acquisition and disposition activity for the comparative quarters.

Net cash used in financing activities decreased to $35.6 million for the three months ended March 31, 2019 from $165.2 million for the three months ended March 31, 2018 . This $129.6 million change was primarily due to debt activity associated with the investment activity during the respective periods. In January 2019, the Company the issued $350 million of 4.375% senior unsecured notes due 2029. A substantial portion of the proceeds from this financing were used to repay the Company's credit facilities with the exception of the DDTL (as defined below). The remainder was held in cash. Financing activities include proceeds from the issuance of debt and equity, debt repayments, equity repurchases and distributions.

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The Company has a $900 million unsecured credit facility (the "Credit Facility") which includes a revolving credit facility for borrowings up to $800 million and a delayed draw term loan facility (the "DDTL") aggregating up to $100 million. It matures in October 2021 and the Company has options to extend the maturity date for up to one additional year. Based upon the Company’s current credit ratings, borrowings under the facility bear interest at LIBOR plus 87.5 basis points for revolving loans and 95 basis points for delayed draw term loans. There is also a 15 basis point annual facility fee on the aggregate loan commitments of the revolving credit facility. The Credit Facility contains a competitive bid option, whereby participating lenders bid on the interest rate to be charged. This feature is available for up to 50% of the amount of the revolving credit facility. As of March 31, 2019 , the Company had no outstanding borrowings and $8.3 million of letters of credit issued under the revolving credit facility, and $100 million in outstanding borrowings under the DDTL.

The Company also has a $30 million unsecured working capital revolving credit facility ("WCL", together the "Credit Facilities") on terms substantially consistent with the Credit Facility discussed above. As of March 31, 2019 , the Company had no outstanding borrowings under the WCL.

The Company uses debt financing to lower its overall cost of capital in an attempt to increase the return to shareholders. The Company staggers its debt maturities and maintains debt levels it considers to be prudent. In determining its debt levels, the Company considers various financial measures including the debt to gross assets ratio and the fixed charge coverage ratio. As of March 31, 2019 , the Company’s debt to gross assets ratio was 39.3% and for the three months ended March 31, 2019 , the fixed charge coverage ratio was 3.7x . Debt to gross assets equals total long-term debt and borrowings under the Credit Facilities divided by total assets plus accumulated depreciation (including accumulated depreciation in properties held for sale). The fixed charge coverage ratio equals net income, after adjusting for depreciation and amortization expense, interest expense, impairment charges and the effect of other non-cash items, debt extinguishment gains (losses), gains (losses) on property dispositions, income tax expense (benefit) and share-based compensation expenses, divided by the sum of consolidated interest expense, capitalized interest, preferred dividends, and debt principal amortization (excluding balloon payments) all inclusive of operations included in discontinued operations.

As of March 31, 2019 , $395.7 million in mortgage loans (including $66.3 million fixed via a swap arrangement - see Note 14 to the Company's financial statements) and $2.7 billion in unsecured notes were outstanding with a weighted average interest rate of 4.0% . The interest rates on $3.0 billion of mortgage loans and unsecured notes are fixed (including those fixed via swap arrangements) and range from 2.6% to 4.8% . The weighted average remaining term for the mortgage loans and unsecured notes is 5.3 years.

The scheduled principal amortization and maturities of the Company’s mortgage loans, unsecured notes and the Credit Facilities and the related weighted average interest rates as of March 31, 2019 are as follows (in thousands, except percentages):



													Weighted
	Mortgages												Average
	Principal		Principal		Unsecured			Credit					Interest
	Amortization		Maturities		Notes			Facilities		Total			Rate
2019	$	4,871	$	50,043	$	—		$	—	$	54,914		3.9	%
2020	3,539		67,361		350,000			—		420,900			4.7	%
2021	2,504		65,009		—			100,000		167,513			3.7	%
2022	2,172		—		400,000			—		402,172			4.1	%
2023	2,281		—		300,000			—		302,281			3.4	%
2024	2,395		—		450,000			—		452,395			4.4	%
2025	2,503		—		400,000			—		402,503			3.8	%
2026	2,494		1,946		400,000			—		404,440			3.3	%
2027	2,617		—		—			—		2,617			4.8	%
2028 and thereafter	17,183		168,803		350,000			—		535,986			3.8	%
Subtotal	42,559		353,162		2,650,000			100,000		3,145,721			3.9	%
Reconciling items ⁽¹⁾	969		—		(17,911		)	—		(16,942		)
Total for consolidated balance sheet	$	43,528	$	353,162	$	2,632,089		$	100,000	$	3,128,779


(1)	Includes deferred financing costs, premium/discount and market adjustments.

Generally, the Company’s objective is to meet its short-term liquidity requirement of funding the payment of its current level of

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quarterly preferred and common distributions to shareholders and unitholders through its net cash flows provided by operating activities, less capital expenditures - property improvement and turnover costs. If net cash flows from operations were not sufficient to meet its quarterly distributions to shareholders and unitholders, the Company would utilize borrowings from the Credit Facilities to fund such distributions.

The Company believes that its existing sources of capital will provide sufficient funds to finance its continued development and acquisition activities. The Company's existing sources of capital include the public debt and equity markets, proceeds from secured financing of properties, proceeds from property dispositions, equity capital from joint venture partners, remaining capacity of $125.0 million under the Company's at-the-market equity offering program and net cash provided by operating activities. Additionally, the Company expects to incur variable rate debt, including borrowings under the Credit Facilities, from time to time.

The Company's latest quarterly dividend (paid in April 2019) was $0.41 per share ($1.64 per share annualized). Future distribution payments by the Company will be paid at the discretion of the Board of Trustees and will depend on the Company's actual funds from operations and cash flows, the Company’s financial condition and capital requirements, the annual distribution requirements under the REIT provisions of the Internal Revenue Code and other factors that the Board of Trustees deems relevant. The Company’s Board of Trustees reviews the dividend quarterly, and there can be no assurance about the amount of future quarterly distribution payments.

General

The Company has an effective S-3 shelf registration statement on file with the SEC pursuant to which the Trust and the Operating Partnership may issue an unlimited amount of equity securities and debt securities.

Calculation of Funds from Operations

The National Association of Real Estate Investment Trusts (“NAREIT”) has issued a standard definition for NAREIT Funds from operations ("NAREIT FFO") (defined below). The SEC has agreed to the disclosure of this non-GAAP financial measure on a per share basis in its Release No. 34-47226, Conditions for Use of Non-GAAP Financial Measures. The Company believes that the calculation of NAREIT FFO is helpful to investors and management as it is a measure of the Company’s operating performance that excludes depreciation and amortization and gains and losses from dispositions of depreciable property. As a result, year over year comparison of NAREIT FFO reflects the impact on operations from trends in occupancy rates, rental rates, operating costs, development activities, general and administrative expenses, and interest costs, providing perspective not immediately apparent from net income. In addition, management believes that NAREIT FFO provides useful information to the investment community about the Company’s financial performance when compared to other REITs since NAREIT FFO is generally recognized as the standard for reporting the operating performance of a REIT. NAREIT FFO is defined by NAREIT as follows: net income (computed in accordance with U.S. GAAP), excluding depreciation and amortization related to real estate, gains and losses from the sale of certain real estate assets, gains and losses from change in control, and impairment write-downs of certain real estate assets and investments in entities when the impairment is directly attributable to decreases in the value of depreciable real estate held by the entity. The Company has opted to include gains and losses from the sale of assets incidental to its main business as a REIT. NAREIT FFO does not represent net income or cash flows from operations as defined by U.S. GAAP and does not necessarily indicate that cash flows will be sufficient to fund cash needs. It should not be considered as an alternative to net income as an indicator of the Company’s operating performance or to cash flows as a measure of liquidity. NAREIT FFO also does not represent cash flows generated from operating, investing or financing activities as defined by U.S. GAAP.

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A reconciliation of net income available to common shareholders to NAREIT FFO available to common shareholders for the three months ended March 31, 2019 and 2018 are as follows (in thousands, except per share amounts):



	Three Months Ended
	March 31, 2019			March 31, 2018
Reconciliation of net income available to common shareholders to NAREIT FFO available to common shareholders:
Net income available to common shareholders	$	54,330		$	140,181
Adjustments:
Depreciation and amortization of unconsolidated joint ventures	3,132			3,202
Depreciation and amortization	45,033			44,490
Gain on property dispositions / impairment - depreciable real estate assets continuing operations	(294		)	(2,633		)
Gain on property dispositions / impairment - depreciable real estate assets discontinued operations	(8,667		)	(90,012		)
Noncontrolling interest share in addback for depreciation and amortization and gain on property dispositions / impairment - depreciable real estate assets	(910		)	1,046
NAREIT FFO available to common shareholders – basic	$	92,624		$	96,274
Noncontrolling interest share in addback for depreciation and amortization and gain on property dispositions / impairment charges - depreciable real estate assets	910			(1,046		)
Noncontrolling interest less preferred unit distributions	1,290			3,339
NAREIT FFO available to common shareholders – diluted	$	94,824		$	98,567
Basic NAREIT FFO available to common shareholders per weighted average share	$	0.63		$	0.65
Diluted NAREIT FFO available to common shareholders per weighted average share	$	0.62		$	0.65
Reconciliation of weighted average shares:
Weighted average common shares	147,559			147,060
Dilutive shares for long term compensation plans	981			813
Diluted shares for net income	148,540			147,873
Weighted average common units	3,520			3,520
Diluted shares for NAREIT FFO	152,060			151,393

Inflation

Inflation has remained relatively low in recent years, and as a result, it has not had a significant impact on the Company during this period. To the extent an increase in inflation would result in increased operating costs, such as insurance, real estate taxes and utilities, substantially all of the tenants’ leases require the tenants to absorb these costs as part of their rental obligations. In addition, inflation also may have the effect of increasing market rental rates.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

There have been no material changes to the Company’s exposure to market risk since its Annual Report on Form 10-K for the year ended December 31, 2018 .

Item 4. Controls and Procedures

Controls and Procedures with respect to the Trust

(a) Evaluation of Disclosure Controls and Procedures

The Trust’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on this evaluation, the Trust’s Chief Executive Officer and Chief Financial Officer have concluded that the Trust’s disclosure controls and procedures, as of the end of the period covered by this report, were effective to provide reasonable assurance that information required to be disclosed by

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the Trust in its reports filed or submitted under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in SEC’s rules and forms and (ii) accumulated and communicated to the Trust’s management, including its principal executive and principal financial officers, or persons performing similar function, as appropriate to allow timely decisions regarding required disclosure.

(b) Changes in Internal Control Over Financial Reporting

There were no changes in the Trust’s internal control over financial reporting during the quarter ended March 31, 2019 that have materially affected or are reasonably likely to materially affect the Trust’s internal control over financial reporting.

Controls and Procedures with respect to the Operating Partnership

(a) Evaluation of Disclosure Controls and Procedures

The Trust’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, on behalf of the Trust in its capacity as the general partner of the Operating Partnership, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on this evaluation, the Trust’s Chief Executive Officer and Chief Financial Officer have concluded that the Operating Partnership’s disclosure controls and procedures, as of the end of the period covered by this report, were effective to provide reasonable assurance that information required to be disclosed by the Operating Partnership in its reports filed or submitted under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in SEC’s rules and forms and (ii) accumulated and communicated to the Trust’s management, including its principal executive and principal financial officers, or persons performing similar function, as appropriate to allow timely decisions regarding required disclosure.

(b) Changes in Internal Control Over Financial Reporting

There were no changes in the Operating Partnership’s internal control over financial reporting during the quarter ended March 31, 2019 that have materially affected or are reasonably likely to materially affect the Operating Partnership’s internal control over financial reporting.

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PART II. OTHER INFORMATION


Item 1.	Legal Proceedings

The Company is not a party to any material litigation as of March 31, 2019 .


Item 1A.	Risk Factors

None.


Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds

None.


Item 3.	Defaults upon Senior Securities

None.


Item 4.	Mine Safety Disclosures

Not applicable.


Item 5.	Other Information

None.

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Item 6.	Exhibits




	4.1*	Eighth Supplemental Indenture, dated as of January 25, 2019, between the Operating Partnership, as Issuer, and U.S. Bank National Association, as Trustee, supplementing the Senior Indenture, dated as of September 22, 2010, between the Operating Partnership, as Obligor, and U.S. Bank National Association, as Trustee, as supplemented and amended by the Seventh Supplemental Indenture dated as of April 27, 2017 between the Operating Partnership and the Trustee, and relating to $350,000,000 principal amount of 4.375% Senior Notes due 2029 of Liberty Property Limited Partnership.

	31.1*	Certification of the Chief Executive Officer of Liberty Property Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934.

	31.2*	Certification of the Chief Financial Officer of Liberty Property Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934.

	31.3*	Certification of the Chief Executive Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(a) under the Securities Exchange Act of 1934.

	31.4*	Certification of the Chief Financial Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(a) under the Securities Exchange Act of 1934.

	32.1**	Certification of the Chief Executive Officer of Liberty Property Trust required under Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)

	32.2**	Certification of the Chief Financial Officer of Liberty Property Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)

	32.3**	Certification of the Chief Executive Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)

	32.4**	Certification of the Chief Financial Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)

	101.INS*	XBRL Instance Document.

	101.SCH*	XBRL Taxonomy Extension Schema Document.

	101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document.

	101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document.

	101.LAB*	XBRL Extension Labels Linkbase.

	101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document.

________________________

* Filed herewith

** Furnished herewith

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

LIBERTY PROPERTY TRUST



/s/ WILLIAM P. HANKOWSKY		May 8, 2019
William P. Hankowsky		Date
Chairman of the Board of Trustees, President and Chief Executive Officer (Principal Executive Officer)

/s/ CHRISTOPHER J. PAPA		May 8, 2019
Christopher J. Papa		Date
Executive Vice President and Chief Financial Officer (Principal Financial Officer)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

LIBERTY PROPERTY LIMITED PARTNERSHIP



BY:	Liberty Property Trust
	General Partner

/s/ WILLIAM P. HANKOWSKY		May 8, 2019
William P. Hankowsky		Date
Chairman of the Board of Trustees, President and Chief Executive Officer (Principal Executive Officer)

/s/ CHRISTOPHER J. PAPA		May 8, 2019
Christopher J. Papa		Date
Executive Vice President and Chief Financial Officer (Principal Financial Officer)

EXHIBIT 4.1

EIGHTH SUPPLEMENTAL INDENTURE

EIGHTH SUPPLEMENTAL INDENTURE , dated as of January 25, 2019, between LIBERTY PROPERTY LIMITED PARTNERSHIP, a Pennsylvania limited partnership (the “Company”), having its principal offices at 650 East Swedesford Road, Suite 400, Wayne, PA 19087, and U.S. BANK NATIONAL ASSOCIATION, a national banking association organized under the laws of the United States of America, as trustee (the “Trustee”), having its Corporate Trust Office at Two Liberty Place, 50 S. 16th Street, Suite 2000, Mail Station: Ex-PA-WBSP, Philadelphia, PA 19102.

RECITALS

WHEREAS , the Company executed and delivered its Base Indenture (the “Base Indenture”), dated as of September 22, 2010, to the Trustee to issue from time to time for its lawful purposes debt securities evidencing its unsecured indebtedness.

WHEREAS , the Company executed and delivered the Seventh Supplemental Indenture, dated as of April 27, 2017, to the Trustee to amend certain provisions of the Base Indenture; provided that such amendments are applicable only to debt securities issued after the date of the Seventh Supplemental Indenture.

WHEREAS, the Base Indenture provides that by means of a supplemental indenture, the Company may create one or more series of its debt securities and establish the form and terms and conditions thereof.

WHEREAS , the Company intends by this Eighth Supplemental Indenture to (i) create a series of debt securities to be issued from time to time in an unlimited principal amount entitled “Liberty Property Limited Partnership 4.375% Senior Notes due 2029” (the “Notes”); and (ii) establish the form and the terms and conditions of such Notes.

WHEREAS , the Board of Trustees of Liberty Property Trust (the “Trust”), the general partner of the Company, has approved the creation of the Notes and the form, terms and conditions thereof.

WHEREAS , the consent of Holders to the execution and delivery of this Eighth Supplemental Indenture is not required, and all other actions required to be taken under the Base Indenture with respect to this Eighth Supplemental Indenture have been taken.

NOW, THEREFORE IT IS AGREED:

ARTICLE ONE

Definitions, Creation, Form and Terms and Conditions of the Debt Securities

SECTION 1.01 Definitions . (a) Capitalized terms used in this Eighth Supplemental Indenture and not otherwise defined shall have the meanings ascribed to them in the Base Indenture. In addition, the following additional terms shall have the following meanings to be equally applicable to both the singular and the plural forms of the terms defined:

“Closing Date” means January 25, 2019.

“Global Note” means a single fully-registered global note in book entry form, without coupons, substantially in the form of Exhibit A attached hereto.

“Indenture” means the Base Indenture as supplemented by the Seventh Supplemental Indenture and this Eighth Supplemental Indenture.

“Intercompany Debt” means Debt to which the only parties are the Trust, any of its subsidiaries, the Company and any Subsidiary, or Debt owed to the Trust arising from routine cash management practices, but only so long as such Debt is held solely by any of the Trust, any of its subsidiaries, the Company and any Subsidiary.

“Par Call Date” means November 1, 2028.

(b) The following terms, which are defined in the Base Indenture, are amended and restated in their entirety as follows:

“Annual Service Charge” as of any date means the aggregate amount of any interest (other than amortization of deferred financing costs) expenses for the four consecutive fiscal quarters most recently ended prior to such date, as determined in accordance with GAAP.

“Consolidated Income Available for Debt Service” as of any date means Consolidated Net Income of the Company and its Subsidiaries plus amounts that have been deducted for and minus amounts which have been added for: (i) interest on Debt of the Company and its Subsidiaries; (ii) provision for taxes of the Company and its Subsidiaries based on income; (iii) amortization of debt discount, premium and deferred financing costs; (iv) provisions for unrealized gains and losses, depreciation and amortization, and the effect of other noncash items; (v) the effect of any noncash charge resulting from a change in accounting principles in determining Consolidated Net Income; (vi) amortization of deferred charges; (vii) charges for early extinguishment of debt; and (viii) any fees, costs or expenses (or amortization thereof) in connection with any debt financing or amendments thereto, any acquisition, merger, recapitalization or similar transaction (in each case whether or not completed), for the four consecutive fiscal quarters most recently ended, all as determined in accordance with GAAP, and without taking into account any provision for gains and losses on sales or other dispositions of properties.

“Redemption Price” has the meaning specified in Section 1.04(a) hereof.

“Reinvestment Rate” means the yield on Treasury securities at a constant maturity corresponding to the remaining life (as of the date of redemption, and rounded to the nearest month) to the Par Call Date (the “Treasury Yield”). For purposes hereof, the Treasury Yield shall be equal to the arithmetic mean of the yields published in the Statistical Release under the heading “Week Ending” for “U.S. Government Securities - Treasury Constant Maturities” with a maturity equal to such remaining life (assuming the notes matured on the Par Call Date); provided, that if no published maturity exactly corresponds to such remaining life (assuming the notes matured on the Par Call Date), then the Treasury Yield shall be interpolated or extrapolated on a straight-line basis from the arithmetic means of the yields for the next shortest and next longest published maturities. For purposes of calculating the Reinvestment Rate, the most recent Statistical Release published prior to the date of determination of the redemption amount shall be used. If the format or content of the Statistical Release changes in a manner that precludes determination of the Treasury Yield in the above manner, then the Treasury Yield shall be determined in the manner that most closely approximates the above manner, as reasonably determined by the Company.

“ Statistical Release ” means the statistical release designated “H.15” or any successor publication which is published weekly by the Federal Reserve System (or companion online data resource published by the Federal Reserve System) and which reports yields on actively traded United States government securities adjusted to constant maturities, or, if such statistical release is not published at the time of any determination under the Indenture, then such other reasonably comparable index which shall be designated by the Company.

(c) With respect to the securities of all series created on or after the date of this Eighth Supplemental Indenture, the term “Unencumbered Total Asset Value”, which is defined in the Base Indenture, shall have the following meaning:

“ Unencumbered Total Asset Value ” as of any date means the sum of: (i) the value of those Undepreciated Real Estate Assets not subject to an encumbrance; and (ii) the value of all other assets of the Company and its Subsidiaries on a consolidated basis not subject to an encumbrance, as determined in accordance with GAAP (but excluding accounts receivable and intangibles); provided, however, that all investments by the Company and its Subsidiaries in unconsolidated joint ventures, unconsolidated limited partnerships, unconsolidated limited liability companies and other unconsolidated entities shall be excluded from Unencumbered Total Asset Value to the extent that such investments would have otherwise been included.

(d) The term “Make-Whole Amount”, which is defined in the Base Indenture, shall not apply to the Notes.

SECTION 1.02 Creation of the Debt Securities . In accordance with Section 301 of the Base Indenture, the Company hereby creates the Notes as a separate series of its debt securities issued pursuant to the Indenture. The Notes shall be issued in an aggregate principal amount initially limited to $350,000,000.

The Company may issue, in addition to the Notes originally issued on the Closing Date, additional Notes. The Notes originally issued on the Closing Date and any additional Notes originally issued subsequent to the Closing Date shall be a single series for all purposes under the Indenture.

SECTION 1.03 Form of the Debt Securities . The Notes will be represented by one or more fully-registered global notes in book-entry form, without coupons, registered in the name of the nominee of DTC. The Notes shall be in the

form of Exhibit A attached hereto and the terms set forth in such form shall be incorporated herein. So long as DTC, or its nominee, is the registered owner of a Global Note, DTC or its nominee, as the case may be, will be considered the sole owner or holder of the Notes represented by such Global Note for all purposes under the Indenture. Ownership of beneficial interests in the Global Note will be shown on, and transfers thereof will be effected only through, records maintained by DTC (with respect to beneficial interests of participants) or by participants or persons that hold interests through participants (with respect to beneficial interests of beneficial owners).

SECTION 1.04 Terms and Conditions of the Debt Securities . The Notes shall be governed by all the terms and conditions of the Base Indenture, as supplemented by the Seventh Supplemental Indenture and this Eighth Supplemental Indenture, and in particular, the following provisions shall be the terms of the Notes:

(a) Optional Redemption . At any time prior to the Par Call Date, the Company may redeem the Notes at its option, in whole or from time to time in part, at a redemption price (the “Redemption Price”) equal to the greater of (i) the principal amount of the Notes being redeemed, and (ii) the sum of the present values of the remaining scheduled payments of principal and interest on the Notes to be redeemed that would be due if such notes matured on the Par Call Date but for the redemption thereof (not including any portion of such payments of interest accrued as of the Redemption Date) discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Reinvestment Rate plus 25 basis points, plus, in each case, accrued and unpaid interest thereon to, but excluding, the Redemption Date; provided, however, that if the Redemption Date falls after a Regular Record Date and on or prior to the corresponding Interest Payment Date, the Company will pay the full amount of accrued and unpaid interest and premium, if any, due on such Interest Payment Date to the Holder of record at the close of business on the corresponding Regular Record Date. Notwithstanding the foregoing, if the Notes are redeemed on or after the Par Call Date, the Redemption Price will be equal to 100% of the principal amount of the Notes being redeemed plus accrued and unpaid interest thereon to, but excluding, the applicable Redemption Date.

If notice of redemption has been given as provided in the Indenture and funds for the redemption of the Notes called for redemption shall have been made available on the Redemption Date referred to in such notice, such Notes will cease to bear interest on the date fixed for such redemption specified in such notice and the only right of the Holders of such Notes from and after the Redemption Date will be to receive payment of the Redemption Price upon surrender of such Notes in accordance with such notice.

Notice of any optional redemption of any Notes will be given to Holders at their addresses, as shown in the Security Register for the Notes, not more than 60 nor less than 15 days prior to the date fixed for redemption. The notice of redemption will specify, among other items, the Redemption Date, the Redemption Price and the principal amount of the Notes held by such Holder to be redeemed.

If all or less than all of the Notes are to be redeemed at the option of the Company, the Company will notify the Trustee at least 45 days prior to giving notice of redemption (or such shorter period as is satisfactory to the Trustee) of the aggregate principal amount of Notes to be redeemed and their Redemption Date. In connection with any redemption prior to the Par Call Date, the Company shall give the Trustee notice of the related Redemption Price promptly after the calculation thereof and if the Company has requested that the Trustee give to the Holders the notice of redemption required by Section 1104 of the Base Indenture, such notice from the Company shall be given to the Trustee at such time as shall permit the Trustee to include notice of the Redemption Price in such notice of redemption. The Trustee shall have no responsibility for calculating the Redemption Price. The Trustee shall select, in such manner as it shall deem fair and appropriate, no less than 60 days prior to the date of redemption, the Notes to be redeemed in part.

Neither the Company nor the Trustee shall be required to: (i) issue, register the transfer of or exchange Notes during a period beginning at the opening of business 15 days before any selection of Notes to be redeemed and ending at the close of business on the day of mailing the relevant notice of redemption; or (ii) register the transfer of or exchange any Note, or portion thereof, called for redemption, except the unredeemed portion of any Note being redeemed in part.

(b) Maturity; Payment of Principal and Interest . The principal amount of the Notes shall be payable on February 1, 2029, subject to the provisions of the Indenture and the Notes. Interest will accrue from January 25, 2019. The Notes will bear interest at 4.375% per annum, payable semi-annually in arrears on February 1 and August 1 of each year, beginning on August 1, 2019. Principal and interest payments on interests represented by a Global Note will be made to DTC or its nominee, as the case may be, as the registered owner of such Global Note. All payments of principal and interest in respect of the Global Note will be made by the Company in immediately available funds. The principal of the Notes payable on the Maturity Date or upon redemption will be paid against presentation and surrender of the Notes at the corporate trust office of the Trustee at 60

Livingston Avenue, 1 ^st Floor, Bond Drop Window, St. Paul, MN, 55107, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public or private debt.

(c) Applicability of Defeasance or Covenant Defeasance . The provisions of Article 14 of the Base Indenture shall apply to the Notes.

ARTICLE TWO

Additional Covenants

SECTION 2.01 Additional Covenants . The Notes shall be governed by all the covenants contained in the Base Indenture, as supplemented by the Seventh Supplemental Indenture and this Eighth Supplemental Indenture. In addition, this Eighth Supplemental Indenture amends and restates Section 1004 of the Base Indenture to read as follows:

“SECTION 1004. Limitations on Incurrence of Debt.

(a) The Company will not, and will not permit any Subsidiary to, incur any Debt, other than Intercompany Debt, that is subordinate in right of payment to the Notes, if, immediately after giving effect to the incurrence of such Debt and the application of the proceeds thereof, the aggregate principal amount of all outstanding Debt of the Company and its Subsidiaries on a consolidated basis determined in accordance with GAAP is greater than 60% of the sum of: (i) the Company’s Adjusted Total Assets as of the end of the most recent fiscal quarter prior to the incurrence of such additional Debt; and (ii) the increase in Adjusted Total Assets since the end of such quarter (including any increase resulting from the incurrence of additional Debt).

(b) The Company will not, and will not permit any Subsidiary to, incur any Debt if the ratio of Consolidated Income Available for Debt Service to the Annual Service Charge on the date on which such additional Debt is to be incurred, on a pro forma basis, after giving effect to the incurrence of such Debt and to the application of the proceeds thereof would have been less than 1.5 to 1.

(c) The Company will not, and will not permit any Subsidiary to, incur any Debt secured by any mortgage, lien, charge, pledge, encumbrance or security interest of any kind upon any of the properties of the Company or any Subsidiary (“Secured Debt”), whether owned at the date hereof or hereafter acquired, if, immediately after giving effect to the incurrence of such Secured Debt and the application of the proceeds thereof, the aggregate principal amount of all outstanding Secured Debt of the Company and its Subsidiaries on a consolidated basis is greater than 40% of the sum of: (i) the Company’s Adjusted Total Assets as of the end of the most recent fiscal quarter prior to the incurrence of such additional Debt; and (ii) the increase in Adjusted Total Assets since the end of such quarter (including any increase resulting from the incurrence of additional Debt).

(d) The Company will at all times maintain an Unencumbered Total Asset Value in an amount not less than 150% of the aggregate principal amount of all outstanding unsecured Debt of the Company and its Subsidiaries on a consolidated basis.

For purposes of the foregoing provisions regarding the limitation on the incurrence of Debt, Debt shall be deemed to be “incurred” by the Company or a Subsidiary whenever the Company or such Subsidiary shall create, assume, guarantee or otherwise become liable in respect thereof.

ARTICLE THREE

Trustee

SECTION 3.01 Trustee . The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Eighth Supplemental Indenture or the due execution thereof by the Company. The recitals of fact contained herein shall be taken as the statements solely of the Company, and the Trustee assumes no responsibility for the correctness thereof.

ARTICLE FOUR

Miscellaneous Provisions

SECTION 4.01 Ratification of Original Indenture . This Eighth Supplemental Indenture is executed and shall be construed as an indenture supplemental to the Base Indenture, and as supplemented and modified hereby and by the Seventh Supplemental Indenture, the Base Indenture is in all respects ratified and confirmed, and the Base Indenture, the Seventh

Supplemental Indenture and this Eighth Supplemental Indenture shall be read, taken and construed as one and the same instrument.

SECTION 4.02 Effect of Headings . The Article and Section headings herein are for convenience only and shall not affect the construction hereof.

SECTION 4.03 Successors and Assigns . All covenants and agreements in this Eighth Supplemental Indenture by the Company shall bind its successors and assigns, whether so expressed or not.

SECTION 4.04 Separability Clause . In case any one or more of the provisions contained in this Eighth Supplemental Indenture shall for any reason be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

SECTION 4.05 Governing Law . This Eighth Supplemental Indenture shall be governed by and construed in accordance with the laws of the State of New York. This Eighth Supplemental Indenture is subject to the provisions of the Trust Indenture Act that are required to be part of this Eighth Supplemental Indenture and shall, to the extent applicable, be governed by such provisions.

SECTION 4.06 Counterparts . This Eighth Supplemental Indenture may be executed in any number of counterparts, and each of such counterparts shall for all purposes be deemed to be an original, but all such counterparts shall together constitute one and the same instrument.

IN WITNESS WHEREOF , the parties hereto have caused this Eighth Supplemental Indenture to be duly executed, and their respective corporate seals to be hereunto affixed and attested, all as of the date first above written.




		LIBERTY PROPERTY LIMITED PARTNERSHIP

		By:		Liberty Property Trust,
				as its sole General Partner

		By:		/s/ Christopher J. Papa

				Name: Christopher J. Papa
				Title: Chief Financial Officer and Executive Vice President




Attest:
/s/ Herman C. Fala
Name: Herman C. Fala
Title: Secretary and General Counsel




		U.S. BANK NATIONAL ASSOCIATION, as Trustee

		By:		/s/ George J. Rayzis

				Name: George J. Rayzis
				Title: Vice President




Attest:
/s/ Stacy L. Mitchell
Name: Stacy L. Mitchell
Title: Vice President

Exhibit A

[FACE OF NOTE]

THIS NOTE IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC, ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

UNLESS AND UNTIL THIS CERTIFICATE IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN CERTIFICATED FORM, THIS CERTIFICATE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY DTC TO A NOMINEE THEREOF OR BY A NOMINEE THEREOF TO DTC OR ANOTHER NOMINEE OF DTC OR BY DTC OR ANY SUCH NOMINEE TO A SUCCESSOR OF DTC OR A NOMINEE OF SUCH SUCCESSOR.

REGISTERED REGISTERED

NO. PRINCIPAL AMOUNT

CUSIP NO. 53117C AT9 $[ ]

ISIN NO. US53117CAT99

LIBERTY PROPERTY LIMITED PARTNERSHIP

4.375% Senior Note due 2029

January 25, 2019

Liberty Property Limited Partnership, a Pennsylvania limited partnership (the “Issuer,” which term includes any successor under the Indenture hereinafter referred to), for value received, hereby promises to pay to Cede & Co. or its registered assigns, the principal sum of [ ] ($[ ]) on February 1, 2029 (the “Maturity Date”), and to pay interest thereon from January 25, 2019 (or from the most recent interest payment date to which interest has been paid or duly provided for), semi-annually in arrears on February 1 and August 1 of each year (each, an “Interest Payment Date”), commencing on August 1, 2019, and on the Maturity Date, at the rate of 4.375% per annum, until payment of said principal sum has been made or duly provided for.

The interest so payable and punctually paid or duly provided for on any Interest Payment Date and on the Maturity Date will be paid to the Person in whose name this Note (or one or more Predecessor Securities) is registered at the close of business on the “Record Date” for such payment, which will be the January 15 or July 15 (regardless of whether such day is a Business Day (as defined below)) preceding such Interest Payment Date or the Maturity Date, as the case may be. Any interest not so punctually paid or duly provided for shall forthwith cease to be payable to the Holder on such record date, and shall be paid to the Person in whose name this Note (or one or more Predecessor Securities) is registered at the close of business on a subsequent record date for the payment of such defaulted interest (which shall be not more than 15 days and not less than 10 days prior to the date of the payment of such defaulted interest) established by notice given by mail by or on behalf of the Issuer to the Holders of the Securities of this series not less than 10 days preceding such subsequent record date. Interest on this Note will be computed on the basis of a 360-day year of twelve 30-day months.

The principal of this Note payable on the Maturity Date or upon redemption will be paid against presentation and surrender of this Note at the corporate trust office of the Trustee at 60 Livingston Avenue, 1 ^st Floor, Bond Drop Window, St. Paul, MN, 55107, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public or private debt.

Interest payable on this Note on any Interest Payment Date and on the Maturity Date, as the case may be, will be the amount of interest accrued from and including the immediately preceding Interest Payment Date (or from and including January 25, 2019, in the case of the initial Interest Payment Date) to but excluding the applicable Interest Payment Date or the Maturity Date, as the case may be. If any Interest Payment Date, Redemption Date or the Maturity Date falls on a day that is not a Business Day (as defined below), the required payment of interest or principal or both, as the case may be, will be made on the next Business Day with the same force and effect as if it were made on the date such payment was due and no interest will accrue on the amount so payable for the period from and after such Interest Payment Date, Redemption Date or the Maturity Date, as the case may be. “Business Day” means any day, other than a Saturday or a Sunday, that is neither a legal holiday nor a day on which banking institutions in Chicago or the City of New York are authorized or required by law, regulation or executive order to close.

Payments of principal and interest in respect of this Note will be made by wire transfer of immediately available funds in such coin or currency of the United States of America as at the time of payment is legal tender for the payment of public and private debts.

Reference is made to the further provisions of this Note set forth on the reverse hereof. Such further provisions shall for all purposes have the same effect as though fully set forth at this place.

This Note shall not be entitled to the benefits of the Indenture referred to on the reverse hereof or be valid or become obligatory for any purpose until the certificate of authentication hereon shall have been signed by the Trustee under such Indenture.

IN WITNESS WHEREOF, the Issuer has caused this instrument to be signed manually or by facsimile by its authorized officers as of the date first set forth above.

LIBERTY PROPERTY LIMITED PARTNERSHIP,

as Issuer


By:	LIBERTY PROPERTY TRUST,

as its sole General Partner

By:

Name:

Title:

By:

Name:

Title:

TRUSTEE’S CERTIFICATE OF AUTHENTICATION

This is one of the Securities of the series designated herein referred to in the within-mentioned Indenture.

U.S. BANK NATIONAL ASSOCIATION, as Trustee

By:______________________________

Authorized Signatory

[REVERSE OF NOTE]

LIBERTY PROPERTY LIMITED PARTNERSHIP

4.375% Senior Note due 2029

This Security is one of a duly authorized issue of debentures, notes, bonds, or other evidences of indebtedness of the Issuer (hereinafter called the “Securities”) of the series hereinafter specified, all issued or to be issued under and pursuant to an Indenture dated as of September 22, 2010 (herein called the “Indenture”), duly executed and delivered by the Issuer to U.S. Bank National Association, as Trustee (herein called the “Trustee,” which term includes any successor trustee under the Indenture with respect to the series of Securities of which this Note is a part), as amended by the Seventh Supplemental Indenture, dated as of April 27, 2017, to which Indenture and all indentures supplemental thereto relating to this security reference is hereby made for a description of the rights, limitations of rights, obligations, duties, and immunities thereunder of the Trustee, the Issuer, and the Holders of the Securities, and of the terms upon which the Securities are, and are to be, authenticated and delivered. The Securities may be issued in one or more series, which different series may be issued in various aggregate principal amounts, may mature at different times, may bear interest (if any) at different rates, may be subject to different redemption provisions (if any), and may otherwise vary as provided in the Indenture or any indenture supplemental thereto. This Security is one of a series designated as the 4.375% Notes due 2029 of the Issuer.

In case an Event of Default with respect to this Security shall have occurred and be continuing, the principal hereof and Make Whole Amount, if any, may be declared, and upon such declaration shall become, due and payable, in the manner, with the effect, and subject to the conditions provided in the Indenture.

The Issuer may redeem this Security at any time at the option of the Issuer, in whole or from time to time in part, at a redemption price (the “Redemption Price”) equal to the greater of (i) the principal amount of this Security being redeemed, and (ii) the sum of the present values of the remaining scheduled payments of principal and interest on this Security to be redeemed that would be due if such Security matured on the Par Call Date (as defined below) but for the redemption thereof (not including any portion of such payments of interest accrued as of the Redemption Date) discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Reinvestment Rate plus 25 basis points, plus, in each case, accrued and unpaid interest thereon to, but excluding, the Redemption Date; provided, however, that if the Redemption Date falls after a Regular Record Date and on or prior to the corresponding Interest Payment Date, the Issuer will pay the full amount of accrued and unpaid interest and premium, if any, due on such Interest Payment Date to the Holder of record at the close of business on the corresponding Regular Record Date. Notwithstanding the foregoing, if this Security is redeemed on and after November 1, 2028 (the “Par Call Date”), the Redemption Price will be equal to 100% of the principal amount of the Security being redeemed plus accrued and unpaid interest thereon to, but excluding, the applicable Redemption Date. Notice of any optional redemption of any Securities of this series will be given to Holders thereof at their addresses, as shown in the Security Register for the Securities of this series, not more than 60 nor less than 15 days prior to the date fixed for redemption. The notice of redemption will specify, among other items, the Redemption Date, the Redemption Price and the principal amount of the Securities of this series held by such Holder to be redeemed.

The Indenture contains provisions permitting the Issuer and the Trustee, with the consent of the Holders of not less than a majority of the aggregate principal amount of all Outstanding Securities affected, evidenced as provided in the Indenture, to execute supplemental indentures adding any provisions to or changing in any manner or eliminating any of the provisions of the Indenture or of any supplemental indenture or modifying in any manner the rights of the Holders of the Securities of each series; provided, however, that no such supplemental indenture shall, without the consent of the Holder of each Security so affected, (i) change the Stated Maturity of the principal of (or premium, if any, on) or any installment of interest on, any such Security, (ii) reduce the principal amount of, or the rate or amount of interest on, or any premium payable on redemption of the Notes, or adversely affect any right of repayment of the Holder of any Securities; (iii) change the place of payment, or the coin or currency, for payment of principal or premium, if any, or interest on the Securities; (iv) impair the right to institute suit for the enforcement of any payment on or with respect to the Securities on or after the stated maturity of any such Security; (v) reduce the above-stated percentage in principal amount of outstanding Securities, the consent of whose Holders is necessary to modify or amend the Indenture, for any waiver with respect to the Securities or to waive compliance with certain provisions of the Indenture or certain defaults and consequences thereunder or to reduce the quorum or voting requirements set forth in the Indenture; or (vi) modify any of the foregoing provisions or any of the provisions relating to the waiver of certain past defaults or certain covenants, except to increase the required percentage to effect such action or to provide that certain other provisions of the Indenture may not be modified or waived without the consent of the Holder of each Security. It is also provided in the Indenture that, with respect to certain defaults or Events of Default regarding the Securities of any series, the Holders of a majority in principal amount outstanding of the Securities of such series may on behalf of the Holders of all the Securities of such series waive any such past default or Event of Default and its consequences, or, subject to

certain conditions, may rescind a declaration of acceleration and its consequences with respect to such Securities. Any such consent or waiver by the Holder of this Security (unless revoked as provided in the Indenture) shall be conclusive and binding upon such Holder and upon all future Holders and owners of this Security and any Securities that may be issued in exchange or substitution herefor, irrespective of whether or not any notation thereof is made upon this security or such other securities.

No reference herein to the Indenture and no provision of this security or of the Indenture shall alter or impair the obligation of the Issuer, which is absolute and unconditional, to pay the principal of and any interest on this Security in the manner, at the respective times, at the rate and in the coin or currency herein prescribed.

This Security is issuable only in registered form without coupons in denominations of $2,000 and integral multiples of $1,000 in excess thereof. Securities may be exchanged for a like aggregate principal amount of Securities of this series of other authorized denominations at the office or agency of the Issuer in The Borough of Manhattan, The City of New York, in the manner and subject to the limitations provided in the Indenture, but without the payment of any service charge except for any tax or other governmental charge imposed in connection therewith.

Upon due presentment for registration of transfer of Securities at the office or agency of the Issuer in The Borough of Manhattan, The City of New York, one or more new Securities of the same series of authorized denominations in an equal aggregate principal amount will be issued to the transferee in exchange therefor, subject to the limitations provided in the Indenture, without charge except for any tax or other governmental charge imposed in connection therewith.

Prior to due presentment of this Security for registration of transfer, the Issuer, the Trustee or any agent of the Issuer or the Trustee may deem and treat the Person in whose name this Security is registered as the owner of this Security (whether or not this security shall be overdue and notwithstanding any notation of ownership or other writing hereon), for the purpose of receiving payment of, or on account of, the principal hereof and subject to the provisions on the face hereof, interest hereon, and for all other purposes, and neither the Issuer nor the Trustee nor any authorized agent of the Issuer or the Trustee shall be affected by any notice to the contrary.

The Indenture and each Security shall be governed by and construed in accordance with the laws of the State of New York.

Capitalized terms used herein which are not otherwise defined shall have the respective meanings assigned to them in the Indenture and all indentures supplemental thereto relating to this Security.

Exhibit 31.1

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, William P. Hankowsky, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Trust;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting,

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.



Date:	May 8, 2019	By: /s/ WILLIAM P. HANKOWSKY
		William P. Hankowsky
		Chairman, President and Chief Executive Officer

Exhibit 31.2

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, Christopher J. Papa, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Trust;

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.



Date:	May 8, 2019	By: /s/ CHRISTOPHER J. PAPA
		Christopher J. Papa
		Executive Vice President and Chief Financial Officer

Exhibit 31.3

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, William P. Hankowsky, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Limited Partnership;

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.



Date:	May 8, 2019	By: /s/ WILLIAM P. HANKOWSKY
		William P. Hankowsky
		Chairman, President and Chief Executive Officer of
		Liberty Property Trust, the Registrant’s sole general partner

Exhibit 31.4

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, Christopher J. Papa, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Limited Partnership;

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.



Date:	May 8, 2019	By: /s/ CHRISTOPHER J. PAPA
		Christopher J. Papa
		Executive Vice President and Chief Financial Officer of Liberty Property Trust, the Registrant’s sole general partner

Exhibit 32.1

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Trust (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, WILLIAM P. HANKOWSKY, President and Chief Executive Officer 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
William P. Hankowsky
Chairman, President and Chief Executive Officer

Date:	May 8, 2019

Exhibit 32.2

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Trust (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2019 , as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, CHRISTOPHER J. PAPA., Executive Vice President and Chief Financial Officer 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/ CHRISTOPHER J. PAPA
Christopher J. Papa
Executive Vice President and Chief Financial Officer

Date:	May 8, 2019

Exhibit 32.3

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

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, 2019 , 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
William P. Hankowsky
Chairman, President and Chief Executive Officer of Liberty Property Trust, the Company’s sole general partner

Date:	May 8, 2019

Exhibit 32.4

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

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, 2019 , as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, CHRISTOPHER J. PAPA, Executive Vice President and Chief Financial 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/ CHRISTOPHER J. PAPA
Christopher J. Papa
Executive Vice President and Chief Financial Officer of Liberty Property Trust, the Company’s sole general partner

Date:	May 8, 2019