3. Notes Payable, Unsecured Notes and Credit Facility

The Company’s mortgage notes payable, unsecured notes and Credit Facility, as defined below, as of September 30, 2013 and December 31, 2012, are summarized below (dollars in thousands). The following amounts and discussion do not include the mortgage notes related to the communities classified as held for sale, if any, as of September 30, 2013 and December 31, 2012, as shown in the Condensed Consolidated Balance Sheets (see Note 7, “Real Estate Disposition Activities”).

	9-30-13		12-31-12

Fixed rate unsecured notes (1)	$	2,250,000	$	1,950,000
Fixed rate mortgage notes payable - conventional and tax-exempt (2)	2,710,673		1,427,133
Variable rate mortgage notes payable - conventional and tax-exempt(2)	1,011,609		476,935

Total notes payable and unsecured notes	5,972,282		3,854,068

Credit Facility	—		—

Total mortgage notes payable, unsecured notes and Credit Facility	$	5,972,282	$	3,854,068

(1) Balances at September 30, 2013 and December 31, 2012 exclude $4,809 and $4,202, respectively, of debt discount as reflected in unsecured notes on the Company’s Condensed Consolidated Balance Sheets.

(2) Balances at September 30, 2013 and December 31, 2012 exclude $130,159 and $1,167, respectively of debt premium as reflected in mortgage notes payable on the Company’s Condensed Consolidated Balance Sheets.

The following debt activity occurred during the nine months ended September 30, 2013:

· In February 2013, as a portion of the consideration for the Archstone Acquisition, the Company assumed $3,512,202,000 consolidated principal amount of Archstone’s existing secured indebtedness, repaying $1,477,720,000 principal amount of the indebtedness assumed concurrent with the closing of the Archstone Acquisition.

· In March 2013, the Company repaid $100,000,000 of its 4.95% unsecured notes in accordance with the scheduled maturity.

· In April 2013, the Company obtained a 3.06% fixed rate, secured mortgage loan in the amount of $15,000,000 that matures in April 2018.

· In April 2013, the Company repaid a 4.69% fixed rate, secured mortgage note in the amount of $170,125,000 pursuant to its scheduled maturity date.

· In May 2013, the Company repaid a $5,393,000 fixed rate secured mortgage note with an interest rate of 5.55% at par and without penalty in advance of its July 2028 scheduled maturity date.

· In May 2013, the Company obtained a 3.08% fixed rate secured mortgage loan that matures in May 2020 in the amount of $56,210,000, in association with the refinancing of an existing $47,000,000 variable rate secured mortgage note.

· In May 2013, the Company repaid a $52,806,000 fixed rate secured mortgage note with an interest rate of 5.24% pursuant to its scheduled maturity date.

· In September 2013, the Company issued $400,000,000 principal amount of unsecured notes in a public offering under its existing shelf registration statement for net proceeds of approximately $396,212,000. The notes mature in October 2020 and were issued at a 3.63% interest rate. The notes have an effective interest rate of 3.79% including the effect of offering costs.

The Company has a $1,300,000,000 revolving variable rate unsecured credit facility with a syndicate of banks (the “Credit Facility”) which matures in April 2017. The Company has the option to extend the maturity by up to one year for a fee of $1,950,000. The Credit Facility bears interest at varying levels based on the London Interbank Offered Rate (“LIBOR”), rating levels achieved on our unsecured notes and on a maturity schedule selected by us. The current stated pricing is LIBOR plus 1.05% (1.23% at September 30, 2013, assuming a one month borrowing rate). The annual facility fee is approximately $1,950,000 based on the $1,300,000,000 facility size and based on our current credit rating.

The Company had no borrowings outstanding under the Credit Facility and had $72,610,000 and $44,883,000 outstanding in letters of credit that reduced the borrowing capacity as of September 30, 2013 and December 31, 2012, respectively.

In the aggregate, secured notes payable mature at various dates from May 2015 through July 2066, and are secured by certain apartment communities and improved land parcels (with a net carrying value of $4,697,609,000, excluding communities classified as held for sale, as of September 30, 2013).

As of September 30, 2013, the Company has guaranteed approximately $309,358,000 of mortgage notes payable by wholly owned subsidiaries; all such mortgage notes payable are consolidated for financial reporting purposes. The weighted average interest rate of the Company’s fixed rate mortgage notes payable (conventional and tax-exempt) was 4.6% and 5.8% at September 30, 2013 and December 31, 2012, respectively. The weighted average interest rate of the Company’s variable rate mortgage notes payable and its Credit Facility, including the effect of certain financing related fees, was 2.4% and 2.7% at September 30, 2013 and December 31, 2012, respectively.

Scheduled payments and maturities of mortgage notes payable and unsecured notes outstanding at September 30, 2013 are as follows (dollars in thousands):

							Stated
	Secured		Secured		Unsecured		interest rate
	notes		notes		notes		of unsecured
Year	payments		maturities		maturities		notes

2013	$	4,395	$	—	$	—	—

2014	18,056		—		150,000		5.375	%

2015	16,722		904,011		—		—

2016	17,951		16,255		250,000		5.750	%

2017	19,033		710,491		250,000		5.700	%

2018	18,398		77,189		—		—

2019	7,125		610,814		—		—

2020	6,190		50,824		250,000		6.100	%

					400,000		3.625	%

2021	5,965		27,844		250,000		3.950	%

2022	6,332		—		450,000		2.950	%

2022	90,048		1,114,639		250,000		2.850	%

	$	210,215	$	3,512,067	$	2,250,000

The Company was in compliance at September 30, 2013 with certain customary financial and other covenants under the Credit Facility and the Company’s unsecured notes.