
	December 31,		December 31,		Effective		Issuance	Maturity
Unsecured Senior Notes	2017		2016		Interest Rate		Date	Date
	(in thousands)
$250M 4.800% Guaranteed Notes due 2022	$	250,000	$	250,000	4.82	%	Jun-12	Jul-22
$300M 4.375% Guaranteed Notes due 2023 (1)		300,000		250,000	4.33	%	Various (1)	Dec-23
$300M 4.000% Guaranteed Notes due 2025 (2)		300,000		250,000	3.99	%	Various (2)	Nov-25
$300M 3.125% Guaranteed Notes due 2026		300,000		300,000	3.18	%	Aug-16	Sep-26
Principal balance outstanding		1,150,000		1,050,000
Less: Discount on issuance of unsecured senior notes, net		(617)		(3,971)
Less: Loan procurement costs, net		(6,923)		(6,953)
Total unsecured senior notes, net	$	1,142,460	$	1,039,076

(1)

On April 4, 2017, the Operating Partnership issued $50.0 million of its 4.375% senior notes due 2023, which are part of the same series as the $250.0 million principal amount of the Operating Partnership’s 4.375% senior notes due December 15, 2023 issued on December 17, 2013. The $50.0 million and $250.0 million traunches were priced at 105.040% and 98.995%, respectively, of the principal amount to yield 3.495% and 4.501%, respectively, to maturity. The combined weighted-average effective interest rate of the 2023 notes is 4.330%.

(2)

On April 4, 2017, the Operating Partnership issued $50.0 million of its 4.000% senior notes due 2025, which are part of the same series as the $250.0 million principal amount of the Operating Partnership’s 4.000% senior notes due November 15, 2025 issued on October 26, 2015. The $50.0 million and $250.0 million traunches were priced at 101.343% and 99.735%, respectively, of the principal amount to yield 3.811% and 4.032%, respectively, to maturity. The combined weighted-average effective interest rate of the 2025 notes is 3.994%.