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Notes Payable
6 Months Ended
Jun. 30, 2025
Debt  
Notes Payable Mortgages Payable
During the six months ended June 30, 2025, we made $43.8 million in principal payments, including the full repayment of three mortgages for $42.9 million. No mortgages were assumed during the six months ended June 30, 2025.
Our mortgages contain customary covenants, such as limiting our ability to further mortgage each applicable property or to discontinue insurance coverage without the prior consent of the lender. At June 30, 2025, we were in compliance with these covenants.
The following table summarizes our mortgages payable as of June 30, 2025 and December 31, 2024 (dollars in millions):

As Of
Number of
Properties (1)
Weighted
Average
Stated
Interest
Rate
Weighted
Average
Effective
Interest
Rate
Weighted
Average
Remaining
Years Until
Maturity
Remaining
Principal
Balance
Unamortized
Discount
and Deferred
Financing Costs
Balance, net
Mortgages
Payable
Balance
June 30, 2025144.9 %5.9 %2.3$38.7 $(0.3)$38.4 
December 31, 2024174.0 %4.5 %1.4$81.3 $(0.5)$80.8 
(1)At June 30, 2025, there were eight mortgages on 14 properties and at December 31, 2024, there were 11 mortgages on 17 properties. The mortgages require monthly payments with principal payments due at maturity. At June 30, 2025 and December 31, 2024, all mortgages were at fixed interest rates.
The following table summarizes the maturity of mortgages payable as of June 30, 2025, excluding $0.3 million related to unamortized net discounts and deferred financing costs (dollars in millions):
Year of Maturity
Principal
2025$0.8
202612.0
202722.3
20281.3
20291.3
Thereafter1.0
Total
$38.7
Notes Payable  
Debt  
Notes Payable Notes Payable
A.    General
At June 30, 2025, our senior unsecured notes and bonds are USD-denominated, GBP-denominated, and EUR-denominated. Foreign-denominated notes are converted at the applicable exchange rate on the balance sheet date. The following are sorted by maturity date (in thousands):
Maturity DatesPrincipal (Currency Denomination)Carrying Value (USD) as of
June 30, 2025December 31, 2024
3.875% Notes due 2025
April 15, 2025$500,000 $— $500,000 
4.625% Notes due 2025
November 1, 2025$549,997 549,997 549,997 
5.050% Notes due 2026
January 13, 2026$500,000 500,000 500,000 
0.750% Notes due 2026
March 15, 2026$325,000 325,000 325,000 
4.875% Notes due 2026
June 1, 2026$599,997 599,997 599,997 
4.450% Notes due 2026
September 15, 2026$299,968 299,968 299,968 
4.125% Notes due 2026
October 15, 2026$650,000 650,000 650,000 
1.875% Notes due 2027 (1)
January 14, 2027£250,000 342,853 312,975 
3.000% Notes due 2027
January 15, 2027$600,000 600,000 600,000 
3.200% Notes due 2027
January 15, 2027$299,984 299,984 299,984 
1.125% Notes due 2027 (1)
July 13, 2027£400,000 548,564 500,760 
3.950% Notes due 2027
August 15, 2027$599,873 599,873 599,873 
3.650% Notes due 2028
January 15, 2028$550,000 550,000 550,000 
3.400% Notes due 2028
January 15, 2028$599,816 599,816 599,816 
2.100% Notes due 2028
March 15, 2028$449,994 449,994 449,994 
2.200% Notes due 2028
June 15, 2028$499,959 499,959 499,959 
4.700% Notes due 2028
December 15, 2028$400,000 400,000 400,000 
4.750% Notes due 2029
February 15, 2029$450,000 450,000 450,000 
3.250% Notes due 2029
June 15, 2029$500,000 500,000 500,000 
4.000% Notes due 2029
July 15, 2029$399,999 399,999 399,999 
5.000% Notes due 2029 (1)
October 15, 2029£350,000 479,994 438,165 
3.100% Notes due 2029
December 15, 2029$599,291 599,291 599,291 
3.400% Notes due 2030
January 15, 2030$500,000 500,000 500,000 
4.850% Notes due 2030
March 15, 2030$600,000 600,000 600,000 
3.160% Notes due 2030
June 30, 2030£140,000 191,997 175,266 
4.875% Notes due 2030 (1)
July 6, 2030550,000 645,860 569,415 
1.625% Notes due 2030 (1)
December 15, 2030£400,000 548,564 500,760 
3.250% Notes due 2031
January 15, 2031$950,000 950,000 950,000 
3.200% Notes due 2031
February 15, 2031$449,995 449,995 449,995 
3.375% Notes due 2031
June 20, 2031650,000 763,287 — 
5.750% Notes due 2031 (1)
December 5, 2031£300,000 411,423 375,570 
2.700% Notes due 2032
February 15, 2032$350,000 350,000 350,000 
3.180% Notes due 2032
June 30, 2032£345,000 473,136 431,906 
5.625% Notes due 2032
October 13, 2032$750,000 750,000 750,000 
2.850% Notes due 2032
December 15, 2032$699,655 699,655 699,655 
1.800% Notes due 2033
March 15, 2033$400,000 400,000 400,000 
1.750% Notes due 2033 (1)
July 13, 2033£350,000 479,994 438,165 
4.900% Notes due 2033
July 15, 2033$600,000 600,000 600,000 
5.125% Notes due 2034
February 15, 2034$800,000 800,000 800,000 
2.730% Notes due 2034
May 20, 2034£315,000 431,994 394,348 
5.125% Notes due 2034 (1)
July 6, 2034550,000 645,860 569,415 
5.875% Bonds due 2035
March 15, 2035$250,000 250,000 250,000 
Maturity DatesPrincipal (Currency Denomination)Carrying Value (USD) as of
June 30, 2025December 31, 2024
5.125% Notes due 2035
April 15, 2035$600,000 600,000 — 
3.875% Notes due 2035
June 20, 2035650,000 763,287 — 
3.390% Notes due 2037
June 30, 2037£115,000 157,712 143,969 
6.000% Notes due 2039 (1)
December 5, 2039£450,000 617,135 563,355 
5.250% Notes due 2041 (1)
September 4, 2041£350,000 479,994 438,165 
2.500% Notes due 2042 (1)
January 14, 2042£250,000 342,853 312,975 
4.650% Notes due 2047
March 15, 2047$550,000 550,000 550,000 
5.375% Notes due 2054
September 1, 2054$500,000 500,000 500,000 
Total principal amount$25,198,035 $22,938,737 
Unamortized net discounts and deferred financing costs(312,163)(281,145)
 $24,885,872 $22,657,592 
(1) Interest paid annually. Interest on the remaining senior unsecured notes and bond obligations included in the table is paid semi-annually.
The following table summarizes the maturity of our notes and bonds payable as of June 30, 2025, excluding unamortized net discounts, deferred financing costs (dollars in millions):
Year of MaturityPrincipal
2025$550.0 
20262,375.0
20272,391.3
20282,499.8
20292,429.3
Thereafter14,952.6
Total$25,198.0 
As of June 30, 2025, the weighted average interest rate on our notes and bonds payable was 3.9%, and the weighted average remaining years until maturity was 6.4 years.
Interest incurred on all of the notes and bonds was $229.4 million and $206.1 million for the three months ended June 30, 2025 and 2024, respectively, and $449.3 million and $406.6 million for the six months ended June 30, 2025 and 2024, respectively.
Our outstanding notes and bonds are unsecured; accordingly, we have not pledged any assets as collateral for these or any other obligations.
All of these notes and bonds contain various covenants, including: (i) a limitation on incurrence of any debt which would cause our debt to total adjusted assets ratio to exceed 60%; (ii) a limitation on incurrence of any secured debt which would cause our secured debt to total adjusted assets ratio to exceed 40%; (iii) a limitation on incurrence of any debt which would cause our debt service coverage ratio to be less than 1.5 times; and (iv) the maintenance at all times of total unencumbered assets not less than 150% of our outstanding unsecured debt. At June 30, 2025, we were in compliance with these covenants.
B.    Note Issuances
During the six months ended June 30, 2025, we issued the following notes and bonds (in millions):
2025 IssuancesDate of IssuanceMaturity DatePrincipal amountPrice of par valueEffective yield to maturity
5.125% Notes
April 2025April 2035$600.0 

98.37 %5.337 %
3.375% Notes
June 2025June 2031650.0 99.57 %3.456 %
3.875% Notes
June 2025June 2035650.0 99.55 %3.930 %
C.    Note Repayment
During the six months ended June 30, 2025, we repaid $500.0 million of outstanding 3.875% senior unsecured notes, plus accrued and unpaid interest, upon maturity.