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Table of Contents

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 10-Q
☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2019
OR
☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Commission File Number 1-15319
SENIOR HOUSING PROPERTIES TRUST
(Exact Name of Registrant as Specified in Its Charter)

Maryland |  | 04-3445278
(State or Other Jurisdiction of Incorporation or Organization) |  | (IRS Employer Identification No.)

Two Newton Place, 255 Washington Street, Suite 300, Newton, MA 02458-1634
(Address of Principal Executive Offices) (Zip Code)
617 - 796 - 8350
(Registrant’s Telephone Number, Including Area Code)
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 | SNH | The Nasdaq Stock Market LLC
5.625% Senior Notes due 2042 | SNHNI | The Nasdaq Stock Market LLC
6.25% Senior Notes due 2046 | SNHNL | The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐
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 ☒ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, 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.

Large Accelerated Filer | ☒ |  | Accelerated filer | ☐
Non-accelerated filer | ☐ |  | Smaller reporting company | ☐
Emerging growth company | ☐ |  |  |

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. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒
Number of registrant’s common shares outstanding as of August 7, 2019: 237,737,849

Table of Contents
SENIOR HOUSING PROPERTIES TRUST
FORM 10-Q
June 30, 2019
INDEX

|  | Page
PART I | Financial Information |
Item 1. | Financial Statements (unaudited) | 1
| Condensed Consolidated Balance Sheets — June 30, 2019 and December 31, 2018 | 1
| Condensed Consolidated Statements of Comprehensive Income (Loss) — Three and Six Months Ended June 30, 2019 and 2018 | 2
| Condensed Consolidated Statements of Shareholders' Equity — Three and Six Months Ended June 30, 2019 and 2018 | 3
| Condensed Consolidated Statements of Cash Flows — Six Months Ended June 30, 2019 and 2018 | 4
| Notes to Condensed Consolidated Financial Statements | 6
Item 2. | Management’s Discussion and Analysis of Financial Condition and Results of Operations | 22
Item 3. | Quantitative and Qualitative Disclosures About Market Risk | 49
Item 4. | Controls and Procedures | 52
| Warning Concerning Forward-Looking Statements | 53
| Statement Concerning Limited Liability | 57
PART II | Other Information | 58
Item 1A. | Risk Factors | 58
Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds | 58
Item 6. | Exhibits | 58
| Signatures | 60

References in this Quarterly Report on Form 10-Q to the Company, we, us or our include Senior Housing Properties Trust and its consolidated subsidiaries unless otherwise expressly stated or the context indicates otherwise.

Table of Contents
PART I. Financial Information
Item 1. Financial Statements.
SENIOR HOUSING PROPERTIES TRUST
CONDENSED CONSOLIDATED BALANCE SHEETS
(amounts in thousands, except share data)
(unaudited)

|  | June 30, |  | December 31,
|  | 2019 |  | 2018
ASSETS |  |  |  |  |  |
Real estate properties: |  |  |  |  |  |
Land |  | $ | 842,043 |  |  | $ | 844,567 |
Buildings and improvements |  | 7,097,545 |  |  | 7,031,733 |
Total real estate properties, gross |  | 7,939,588 |  |  | 7,876,300 |
Accumulated depreciation |  | (1,615,280 | ) |  | (1,534,392 | )
Total real estate properties, net |  | 6,324,308 |  |  | 6,341,908 |
Cash and cash equivalents |  | 48,033 |  |  | 54,976 |
Restricted cash |  | 13,133 |  |  | 15,095 |
Acquired real estate leases and other intangible assets, net |  | 383,688 |  |  | 419,244 |
Other assets, net |  | 329,548 |  |  | 329,203 |
Total assets |  | $ | 7,098,710 |  |  | $ | 7,160,426 |
LIABILITIES AND EQUITY |  |  |  |  |  |
Unsecured revolving credit facility |  | $ | 690,000 |  |  | $ | 139,000 |
Unsecured term loans, net |  | 548,699 |  |  | 548,286 |
Senior unsecured notes, net |  | 1,818,923 |  |  | 2,216,945 |
Secured debt and capital leases, net |  | 699,640 |  |  | 744,186 |
Accrued interest |  | 25,417 |  |  | 26,182 |
Assumed real estate lease obligations, net |  | 81,534 |  |  | 86,304 |
Other liabilities |  | 197,788 |  |  | 219,653 |
Total liabilities |  | 4,062,001 |  |  | 3,980,556 |
Commitments and contingencies |  |  |  |  |  |
Equity: |  |  |  |  |  |
Equity attributable to common shareholders: |  |  |  |
Common shares of beneficial interest, $.01 par value: 300,000,000 shares authorized, 237,740,761 and 237,729,900 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively |  | 2,377 |  |  | 2,377 |
Additional paid in capital |  | 4,611,993 |  |  | 4,611,419 |
Cumulative net income |  | 2,133,649 |  |  | 2,140,796 |
Cumulative other comprehensive loss |  | (129 | ) |  | (266 | )
Cumulative distributions |  | (3,859,587 | ) |  | (3,731,214 | )
Total equity attributable to common shareholders |  | 2,888,303 |  |  | 3,023,112 |
Noncontrolling interest: |  |  |  |
Total equity attributable to noncontrolling interest |  | 148,406 |  |  | 156,758 |
Total equity |  | 3,036,709 |  |  | 3,179,870 |
Total liabilities and equity |  | $ | 7,098,710 |  |  | $ | 7,160,426 |

See accompanying notes.
1

Table of Contents
SENIOR HOUSING PROPERTIES TRUST
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(amounts in thousands, except per share data)
(unaudited)

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Rental income |  | $ | 153,097 |  |  | $ | 174,585 |  |  | $ | 311,338 |  |  | $ | 348,313 |
Residents fees and services |  | 108,906 |  |  | 102,617 |  |  | 216,951 |  |  | 204,659 |
Total revenues |  | 262,003 |  |  | 277,202 |  |  | 528,289 |  |  | 552,972 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |
Property operating expenses |  | 120,193 |  |  | 110,056 |  |  | 237,415 |  |  | 218,154 |
Depreciation and amortization |  | 73,924 |  |  | 72,300 |  |  | 146,154 |  |  | 142,639 |
General and administrative |  | 8,867 |  |  | 29,078 |  |  | 18,683 |  |  | 54,196 |
Acquisition and certain other transaction related costs |  | 903 |  |  | 67 |  |  | 8,717 |  |  | 87 |
Impairment of assets |  | 2,213 |  |  | 548 |  |  | 8,419 |  |  | 548 |
Total expenses |  | 206,100 |  |  | 212,049 |  |  | 419,388 |  |  | 415,624 |
Gain on sale of properties |  | 17,832 |  |  | 80,762 |  |  | 17,710 |  |  | 261,916 |
Dividend income |  | 923 |  |  | 659 |  |  | 1,846 |  |  | 1,318 |
Unrealized gains and losses on equity securities, net |  | (64,448 | ) |  | 23,265 |  |  | (41,516 | ) |  | 50,506 |
Interest and other income |  | 238 |  |  | 60 |  |  | 352 |  |  | 114 |
Interest expense (including net amortization of debt premiums, discounts and issuance costs of $1,519, $1,542, $3,171 and $2,953, respectively) |  | (46,412 | ) |  | (44,813 | ) |  | (92,023 | ) |  | (88,365 | )
Loss on early extinguishment of debt |  | (17 | ) |  | — |  |  | (17 | ) |  | (130 | )
(Loss) income from continuing operations before income tax benefit (expense) and equity in earnings of an investee |  | (35,981 | ) |  | 125,086 |  |  | (4,747 | ) |  | 362,707 |
Income tax benefit (expense) |  | 35 |  |  | (105 | ) |  | (99 | ) |  | (365 | )
Equity in earnings of an investee |  | 130 |  |  | 7 |  |  | 534 |  |  | 51 |
Net (loss) income |  | (35,816 | ) |  | 124,988 |  |  | (4,312 | ) |  | 362,393 |
Net income attributable to noncontrolling interest |  | (1,413 | ) |  | (1,401 | ) |  | (2,835 | ) |  | (2,784 | )
Net (loss) income attributable to common shareholders |  | $ | (37,229 | ) |  | $ | 123,587 |  |  | $ | (7,147 | ) |  | $ | 359,609 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Equity in unrealized gain (loss) of an investee |  | 71 |  |  | 10 |  |  | 137 |  |  | (83 | )
Other comprehensive income (loss) |  | 71 |  |  | 10 |  |  | 137 |  |  | (83 | )
Comprehensive (loss) income |  | (35,745 | ) |  | 124,998 |  |  | (4,175 | ) |  | 362,310 |
Comprehensive income attributable to noncontrolling interest |  | (1,413 | ) |  | (1,401 | ) |  | (2,835 | ) |  | (2,784 | )
Comprehensive (loss) income attributable to common shareholders |  | $ | (37,158 | ) |  | $ | 123,597 |  |  | $ | (7,010 | ) |  | $ | 359,526 |
Weighted average common shares outstanding (basic) |  | 237,580 |  |  | 237,487 |  |  | 237,574 |  |  | 237,483 |
Weighted average common shares outstanding (diluted) |  | 237,580 |  |  | 237,529 |  |  | 237,574 |  |  | 237,506 |
Per common share amounts (basic and diluted): |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income attributable to common shareholders |  | $ | (0.16 | ) |  | $ | 0.52 |  |  | $ | (0.03 | ) |  | $ | 1.51 |

See accompanying notes.
2

Table of Contents
SENIOR HOUSING PROPERTIES TRUST
CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
(amounts in thousands, except share data)
(unaudited)

|  | Number of Shares |  | Common Shares |  | Additional Paid-in Capital |  | Cumulative Net Income |  | Cumulative Other Comprehensive Income (Loss) |  | Cumulative Distributions |  | Total Equity Attributable to Common Shareholders |  | Total Equity Attributable to Noncontrolling Interest |  | Total Equity
Balance at December 31, 2018: |  | 237,729,900 |  |  | $ | 2,377 |  |  | $ | 4,611,419 |  |  | $ | 2,140,796 |  |  | $ | (266 | ) |  | $ | (3,731,214 | ) |  | $ | 3,023,112 |  |  | $ | 156,758 |  |  | $ | 3,179,870 |
Net income |  | — |  |  | — |  |  | — |  |  | 30,082 |  |  | — |  |  | — |  |  | 30,082 |  |  | 1,422 |  |  | 31,504 |
Other comprehensive income |  | — |  |  | — |  |  | — |  |  | — |  |  | 66 |  |  | — |  |  | 66 |  |  | — |  |  | 66 |
Distributions |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (92,714 | ) |  | (92,714 | ) |  | — |  |  | (92,714 | )
Share grants |  | — |  |  | — |  |  | 215 |  |  | — |  |  | — |  |  | — |  |  | 215 |  |  | — |  |  | 215 |
Distributions to noncontrolling interest |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (5,503 | ) |  | (5,503 | )
Balance at March 31, 2019: |  | 237,729,900 |  |  | 2,377 |  |  | 4,611,634 |  |  | 2,170,878 |  |  | (200 | ) |  | (3,823,928 | ) |  | 2,960,761 |  |  | 152,677 |  |  | 3,113,438 |
Net (loss) income |  | — |  |  | — |  |  | — |  |  | (37,229 | ) |  | — |  |  | — |  |  | (37,229 | ) |  | 1,413 |  |  | (35,816 | )
Other comprehensive income |  | — |  |  | — |  |  | — |  |  | — |  |  | 71 |  |  | — |  |  | 71 |  |  | — |  |  | 71 |
Distributions |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (35,659 | ) |  | (35,659 | ) |  | — |  |  | (35,659 | )
Share grants |  | 15,000 |  |  | — |  |  | 395 |  |  | — |  |  | — |  |  | — |  |  | 395 |  |  | — |  |  | 395 |
Share repurchases |  | (4,139 | ) |  | — |  |  | (36 | ) |  | — |  |  | — |  |  | — |  |  | (36 | ) |  | — |  |  | (36 | )
Distributions to noncontrolling interest |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (5,684 | ) |  | (5,684 | )
Balance at June 30, 2019: |  | 237,740,761 |  |  | $ | 2,377 |  |  | $ | 4,611,993 |  |  | $ | 2,133,649 |  |  | $ | (129 | ) |  | $ | (3,859,587 | ) |  | $ | 2,888,303 |  |  | $ | 148,406 |  |  | $ | 3,036,709 |
Balance at December 31, 2017: |  | 237,630,409 |  |  | $ | 2,376 |  |  | $ | 4,609,316 |  |  | $ | 1,766,495 |  |  | $ | 87,231 |  |  | $ | (3,360,468 | ) |  | $ | 3,104,950 |  |  | $ | 172,238 |  |  | $ | 3,277,188 |
Cumulative adjustment upon adoption of ASU No. 2016-01 |  | — |  |  | — |  |  | — |  |  | 87,429 |  |  | (87,429 | ) |  | — |  |  | — |  |  | — |  |  | — |
Balance at January 1, 2018: |  | 237,630,409 |  |  | 2,376 |  |  | 4,609,316 |  |  | 1,853,924 |  |  | (198 | ) |  | (3,360,468 | ) |  | 3,104,950 |  |  | 172,238 |  |  | 3,277,188 |
Net income |  | — |  |  | — |  |  | — |  |  | 236,022 |  |  | — |  |  | — |  |  | 236,022 |  |  | 1,383 |  |  | 237,405 |
Other comprehensive loss |  | — |  |  | — |  |  | — |  |  | — |  |  | (93 | ) |  | — |  |  | (93 | ) |  | — |  |  | (93 | )
Distributions |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (92,674 | ) |  | (92,674 | ) |  | — |  |  | (92,674 | )
Share grants |  | 3,000 |  |  | — |  |  | 47 |  |  | — |  |  | — |  |  | — |  |  | 47 |  |  | — |  |  | 47 |
Share repurchases |  | (4,628 | ) |  | — |  |  | (89 | ) |  | — |  |  | — |  |  | — |  |  | (89 | ) |  | — |  |  | (89 | )
Distributions to noncontrolling interest |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (5,667 | ) |  | (5,667 | )
Balance at March 31, 2018: |  | 237,628,781 |  |  | 2,376 |  |  | 4,609,274 |  |  | 2,089,946 |  |  | (291 | ) |  | (3,453,142 | ) |  | 3,248,163 |  |  | 167,954 |  |  | 3,416,117 |
Net income |  | — |  |  | — |  |  | — |  |  | 123,587 |  |  | — |  |  | — |  |  | 123,587 |  |  | 1,401 |  |  | 124,988 |
Other comprehensive income |  | — |  |  | — |  |  | — |  |  | — |  |  | 10 |  |  | — |  |  | 10 |  |  | — |  |  | 10 |
Distributions |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (92,676 | ) |  | (92,676 | ) |  | — |  |  | (92,676 | )
Share grants |  | 15,000 |  |  | — |  |  | 248 |  |  | — |  |  | — |  |  | — |  |  | 248 |  |  | — |  |  | 248 |
Distributions to noncontrolling interest |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (5,114 | ) |  | (5,114 | )
Balance at June 30, 2018: |  | 237,643,781 |  |  | $ | 2,376 |  |  | $ | 4,609,522 |  |  | $ | 2,213,533 |  |  | $ | (281 | ) |  | $ | (3,545,818 | ) |  | $ | 3,279,332 |  |  | $ | 164,241 |  |  | $ | 3,443,573 |

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Table of Contents
SENIOR HOUSING PROPERTIES TRUST
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(amounts in thousands)
(unaudited)

|  | Six Months Ended June 30,
|  | 2019 |  | 2018
Cash flows from operating activities: |  |  |  |  |  |
Net (loss) income |  | $ | (4,312 | ) |  | $ | 362,393 |
Adjustments to reconcile net (loss) income to cash provided by operating activities: |  |  |  |  |  |
Depreciation and amortization |  | 146,154 |  |  | 142,639 |
Amortization of debt issuance costs and debt discounts and premiums |  | 3,171 |  |  | 2,953 |
Straight line rental income |  | (2,364 | ) |  | (6,023 | )
Amortization of acquired real estate leases and other intangible assets |  | (3,080 | ) |  | (2,797 | )
Loss on early extinguishment of debt |  | 17 |  |  | 130 |
Impairment of assets |  | 8,419 |  |  | 548 |
Gain on sale of properties |  | (17,710 | ) |  | (261,916 | )
Unrealized gains and losses on equity securities, net |  | 41,516 |  |  | (50,506 | )
Other non-cash adjustments |  | (1,885 | ) |  | (1,886 | )
Equity in earnings of an investee |  | (534 | ) |  | (51 | )
Change in assets and liabilities: |  |  |  |  |  |
Other assets |  | 9,370 |  |  | 4,742 |
Accrued interest |  | (765 | ) |  | 8,028 |
Other liabilities |  | (52,123 | ) |  | (19,130 | )
Net cash provided by operating activities |  | 125,874 |  |  | 179,124 |
Cash flows from investing activities: |  |  |  |  |  |
Real estate acquisitions and deposits |  | — |  |  | (129,493 | )
Real estate improvements |  | (135,750 | ) |  | (41,061 | )
Proceeds from sale of properties |  | 34,116 |  |  | 332,389 |
Net cash (used in) provided by investing activities |  | (101,634 | ) |  | 161,835 |
Cash flows from financing activities: |  |  |  |  |  |
Proceeds from issuance of senior unsecured notes, net |  | — |  |  | 491,560 |
Proceeds from borrowings on revolving credit facility |  | 730,000 |  |  | 429,000 |
Repayments of borrowings on revolving credit facility |  | (179,000 | ) |  | (961,000 | )
Redemption of senior notes |  | (400,000 | ) |  | — |
Repayment of other debt |  | (44,552 | ) |  | (7,832 | )
Loss on early extinguishment of debt settled in cash |  | — |  |  | (130 | )
Payment of debt issuance costs |  | — |  |  | (4,296 | )
Repurchase of common shares |  | (33 | ) |  | (90 | )
Distributions to noncontrolling interest |  | (11,187 | ) |  | (10,781 | )
Distributions to shareholders |  | (128,373 | ) |  | (185,350 | )
Net cash used in financing activities |  | (33,145 | ) |  | (248,919 | )
(Decrease) increase in cash and cash equivalents and restricted cash |  | (8,905 | ) |  | 92,040 |
Cash and cash equivalents and restricted cash at beginning of period |  | 70,071 |  |  | 47,321 |
Cash and cash equivalents and restricted cash at end of period |  | $ | 61,166 |  |  | $ | 139,361 |

See accompanying notes.
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Table of Contents
SENIOR HOUSING PROPERTIES TRUST
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (CONTINUED)
(amounts in thousands)
(unaudited)

|  | Six Months Ended June 30,
|  | 2019 |  | 2018
Supplemental cash flows information: |  |  |  |
Interest paid |  | $ | 90,061 |  |  | $ | 77,385 |
Income taxes paid |  | $ | 431 |  |  | $ | 439 |
Non-cash investing activities: |  |  |  |
Acquisitions funded by assumed debt |  | $ | — |  |  | $ | (44,386 | )
Non-cash financing activities: |  |  |  |
Assumption of mortgage notes payable |  | $ | — |  |  | $ | 44,386 |

Supplemental disclosure of cash and cash equivalents and restricted cash:
The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within our condensed consolidated balance sheets to the amount shown in our condensed consolidated statements of cash flows:

|  | As of June 30,
|  | 2019 |  | 2018
Cash and cash equivalents |  | $ | 48,033 |  |  | $ | 30,657 |
Restricted cash (1) |  | 13,133 |  |  | 108,704 |
Total cash and cash equivalents and restricted cash shown in the statements of cash flows |  | $ | 61,166 |  |  | $ | 139,361 |

(1) Restricted cash consists of amounts escrowed for real estate taxes, insurance and capital expenditures at certain of our mortgaged properties, security deposits for residents of our managed senior living communities and cash held for the operations of our joint venture MOB. Restricted cash as of June 30, 2018 also includes proceeds from our sale of a senior living community in May 2018 that were being held in trust for our benefit to fund future acquisitions by us.
See accompanying notes.
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Table of Contents
SENIOR HOUSING PROPERTIES TRUST
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Note 1. Basis of Presentation
The accompanying condensed consolidated financial statements of Senior Housing Properties Trust and its subsidiaries, or we, us, or our, are unaudited. Certain information and disclosures required by U.S. generally accepted accounting principles, or GAAP, for complete financial statements have been condensed or omitted. We believe the disclosures made are adequate to make the information presented not misleading. However, the accompanying condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes contained in our Annual Report on Form 10-K for the year ended December 31, 2018, or our Annual Report.
In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of results for the interim period have been included. All intercompany transactions and balances with or among our consolidated subsidiaries have been eliminated. Operating results for interim periods are not necessarily indicative of the results that may be expected for the full year.
The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect reported amounts. Actual results could differ from those estimates. Significant estimates in our condensed consolidated financial statements include purchase price allocations, useful lives of fixed assets and impairments of real estate and intangible assets. We have made reclassifications to the financial statements of prior periods to conform to the current period presentation. These reclassifications had no effect on net income (loss) or equity.
We have a joint venture arrangement with a sovereign investor for one of our properties (two buildings) leased to medical providers, medical related business, clinics and biotech laboratory tenants, or MOBs, located in Boston, Massachusetts. The investor owns a 45% equity interest in the joint venture, and we own the remaining 55% equity interest in the joint venture. We have determined that this joint venture is a variable interest entity, or VIE, as defined under the Consolidation Topic of the Financial Accounting Standards Board, or FASB, Accounting Standards Codification. We concluded that we must consolidate this VIE because we have the power to direct the activities that most significantly impact the VIE’s economic performance and we have the obligation to absorb losses of, and the right to receive benefits from, the VIE that could be significant to the VIE, and therefore are the primary beneficiary of the VIE. The assets of this VIE were $1,036,537 and $1,061,593 as of June 30, 2019 and December 31, 2018, respectively, and consist primarily of the net real estate owned by the joint venture. The liabilities of this VIE were $707,579 and $714,226 as of June 30, 2019 and December 31, 2018, respectively, and consist primarily of the debt securing the property. The sovereign investor's interest in this consolidated entity is reflected as noncontrolling interest in our condensed consolidated financial statements. See Note 6 for further information about this joint venture.
Note 2. Recent Accounting Pronouncements
In February 2016, the FASB issued Accounting Standards Update, or ASU, No. 2016-02, Leases. In July 2018, the FASB issued ASU No. 2018-10, Codification Improvements to Topic 842, Leases and ASU No. 2018-11, Leases (Topic 842): Targeted Improvements. In December 2018, the FASB issued ASU No. 2018-20 Leases (Topic 842), Narrow-Scope Improvements for Lessors. Collectively, these standards set out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). ASU No. 2016-02 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. ASU No. 2016-02 requires lessors to account for leases using an approach that is substantially equivalent to previous guidance for sales type leases, direct financing leases and operating leases. These standards were effective as of January 1, 2019. Upon adoption, we applied the package of practical expedients that has allowed us to not reassess (i) whether any expired or existing contracts are or contain leases, (ii) lease classification for any expired or existing leases and (iii) initial direct costs for any expired or existing leases. Furthermore, we applied the optional transition method in ASU No. 2018-11, which has allowed us to initially apply the new leases standard at the adoption date and recognize a cumulative effect adjustment to the opening balance of retained earnings in the adoption period, although we did not have an adjustment. Additionally, our leases met the criteria in ASU No. 2018-11 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 adoption of ASU No. 2016-02 and the related improvements did not have a material impact in our condensed consolidated financial statements. Upon adoption, (i) allowances for bad debts are recognized as a direct reduction of rental income, and (ii) legal costs associated with the execution
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
of our leases, which were previously capitalized and amortized over the life of their respective leases, are expensed as incurred. Subsequent to January 1, 2019, provisions for credit losses are now included in rental income in our condensed consolidated financial statements. Provisions for credit losses prior to January 1, 2019 were previously included in property operating expenses in our condensed consolidated financial statements and prior periods were not reclassified to conform to the current presentation. We completed our assessment of predominance as it relates to our contracts with residents for housing services at properties leased to our taxable REIT subsidiaries, or TRSs, and have recognized revenue from these properties under ASC 606, Revenue from Contracts with Customers, which did not have any impact to the timing or amount of our revenue recognized.
For leases in which we are the lessee, we recognized a right of use asset and a lease liability equal to the present value of the minimum lease payments with rental payments being applied to the lease liability and the right of use asset being amortized over the term of the lease. The adoption of this standard resulted in an increase in total assets and liabilities of $4,507. The right of use asset and related lease liability are included within other assets, net and other liabilities, respectively, within our condensed consolidated balance sheets. In addition, we lease equipment at certain of our managed senior living communities. These leases are short term in nature, are cancelable with no fee or do not result in an annual expense in excess of our capitalization policy and, as a result, will not be recorded on our condensed consolidated balance sheets.
The adoption of ASU No. 2016-02 and the related ASU improvements did not have a material impact in our condensed consolidated financial statements.
Revenue Recognition. We are a lessor of MOBs, senior living communities and wellness centers. Our leases provide our tenants with the contractual right to use and economically benefit from all of the premises demised under the leases; therefore, we have determined to evaluate our leases as lease arrangements.
Certain of our leases provide for base rent payments and in addition may include variable payments. Rental income from operating leases, including any payments derived by index or market based indices, is recognized on a straight line basis over the lease term when we have determined that the collectability of substantially all of the lease payments is probable. Some of our leases have options to extend or terminate the lease exercisable at the option of our tenants, which are considered when determining the lease term. We do not include in our measurement of our lease receivables certain variable payments, including changes in the index or market based indices after the inception of the lease, certain tenant reimbursements and other income until the specific events that trigger the variable payments have occurred. Such payments totaled $19,525 and $38,370 for the three and six months ended June 30, 2019, respectively.
Certain of our leases contain non-lease components, such as property level operating expenses and capital expenditures reimbursed by our tenants as well as other required lease payments. We have determined that all of our leases qualify for the practical expedient to not separate 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 those of the lease components. We apply Accounting Standards Codification Topic 842, Leases, to the combined component. Income derived by our leases is recorded in rental income in our condensed consolidated statements of comprehensive income (loss).
Certain tenants are obligated to pay directly their obligations under their leases for insurance, real estate taxes and certain other expenses. These obligations, which have been assumed by the tenants under the terms of their respective leases, are not reflected in our condensed consolidated financial statements. To the extent any tenant responsible for any such obligations under the applicable lease defaults on such lease or if it is deemed probable that the tenant will fail to pay for such obligations, we would record a liability for such obligations.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
The following table presents our operating lease maturity analysis as of June 30, 2019:

Year |  | Amount
2019 |  | $ | 247,329 |
2020 |  | 351,189 |
2021 |  | 327,706 |
2022 |  | 305,547 |
2023 |  | 281,707 |
Thereafter |  | 1,206,130 |
Total |  | $ | 2,719,608 |

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires that entities use a new forward-looking “expected loss” model that generally will result in the earlier recognition of allowance for credit losses. The measurement of expected credit losses is based upon historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. ASU No. 2016-13 will be effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. We are currently assessing the potential impact the adoption of ASU No. 2016-13 will have in our condensed consolidated financial statements although lease related receivables are governed by the lease standards referred to above and are not subject to ASU No. 2016-13. We currently expect to adopt this standard using the modified retrospective approach.
Note 3. Real Estate Properties
At June 30, 2019, we owned 456 properties, including 22 properties classified as held for sale, located in 42 states and Washington, D.C., including one MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest.
Impairment:
We periodically evaluate our assets for impairments. Impairment indicators may include declining tenant or resident occupancy, weak or declining profitability from the property, decreasing tenant cash flows or liquidity, our decision to dispose of an asset before the end of its estimated useful life, and legislative, market or industry changes that could permanently reduce the value of an asset. If indicators of impairment are present, we evaluate the carrying value of the affected assets by comparing it to the expected future undiscounted net cash flows to be generated from those assets. If the sum of these expected future net cash flows is less than the carrying value, we reduce the net carrying value of the asset to its estimated fair value.
During the three and six months ended June 30, 2019, we recorded impairment charges of $2,117 and $8,323, respectively, to adjust the carrying values of 15 skilled nursing facilities, or SNFs, to their estimated fair value. These 15 SNFs, which are located in Kansas, Iowa and Nebraska, are classified as held for sale in other assets, net in our condensed consolidated balance sheet as of June 30, 2019. During the three months ended June 30, 2019, we also recorded impairment charges of $96 for three MOBs. These three MOBs, which are located in Massachusetts, were sold in June 2019. These impairment charges, in aggregate, are included in impairment of assets in our condensed consolidated statements of comprehensive income (loss).
Dispositions:
During the six months ended June 30, 2019, we sold 10 MOBs with an aggregate of 244,564 rentable square feet for an aggregate sales price of $13,607, excluding closing costs, as presented in the table below. We recognized rental income of $589 and $1,599 during the three and six months ended June 30, 2019, respectively, related to these MOBs. In May 2019, we sold three SNFs that were leased to Five Star Senior Living Inc., or Five Star, for an aggregate sales price of approximately $21,500, excluding closing costs, as presented in the table below. In accordance with the terms of the transaction agreement with Five Star that we entered into in April 2019, or the Transaction Agreement, as further described in Note 9, our annual rental income decreased by $831 from our sale of these SNFs that were previously leased to Five Star.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)

Date of Sale |  | Location |  | Type of Property |  | Number of Properties |  | Gross Sales Price (1) |  | Gain (loss) on Sale
February 2019 |  | Florida |  | MOB |  | 1 |  | $ | 2,900 |  |  | $ | (64 | )
March 2019 |  | Massachusetts |  | MOB |  | 1 |  | 75 |  |  | (58 | )
May 2019 |  | California |  | SNF |  | 3 |  | 21,500 |  |  | 15,207 |
May 2019 |  | Colorado |  | MOB |  | 1 |  | 2,590 |  |  | 1,035 |
June 2019 |  | Massachusetts |  | MOB |  | 7 |  | 8,042 |  |  | 1,590 |
|  |  |  |  |  | 13 |  | $ | 35,107 |  |  | $ | 17,710 |

(1) Gross sales price excludes closing costs.
As of June 30, 2019, we had five MOBs located in Massachusetts under agreements to sell for an aggregate sales price of approximately $9,926, excluding closing costs, which have an aggregate undepreciated carrying value of $10,072. These five MOBs are classified as held for sale in other assets, net in our condensed consolidated balance sheet as of June 30, 2019. In July 2019, we sold three of these MOBs for an aggregate sales price of $4,955, excluding closing costs.
As of June 30, 2019, we had 17 SNFs under agreements to sell for an aggregate sales price of approximately $17,000, excluding closing costs, which had an aggregate undepreciated carrying value of $34,246. These 17 SNFs are classified as held for sale in other assets, net in our condensed consolidated balance sheet as of June 30, 2019.
Subsequent to June 30, 2019, we entered into agreements to sell 15 senior living communities for an aggregate sales price of approximately $135,000, excluding closing costs. These 15 senior living communities are not classified as held for sale in our condensed consolidated balance sheet as of June 30, 2019.
Note 4. Indebtedness
Our principal debt obligations at June 30, 2019 were: (1) outstanding borrowings under our $1,000,000 unsecured revolving credit facility; (2) six public issuances of senior unsecured notes, including: (a) $200,000 principal amount at an annual interest rate of 6.75% due 2020, (b) $300,000 principal amount at an annual interest rate of 6.75% due 2021, (c) $250,000 principal amount at an annual interest rate of 4.75% due 2024, (d) $500,000 principal amount at an annual interest rate of 4.75% due 2028, (e) $350,000 principal amount at an annual interest rate of 5.625% due 2042 and (f) $250,000 principal amount at an annual interest rate of 6.25% due 2046; (3) our $350,000 principal amount unsecured term loan due 2020; (4) our $200,000 principal amount unsecured term loan due 2022; and (5) $690,667 aggregate principal amount of mortgages (excluding premiums, discounts and net debt issuance costs) secured by 10 properties with maturity dates between 2022 and 2043. These 10 mortgaged properties had a carrying value (before accumulated depreciation) of $968,463 at June 30, 2019. We also had two properties subject to capital leases with lease obligations totaling $9,361 at June 30, 2019; these two properties had a carrying value (before accumulated depreciation) of $35,724 at June 30, 2019, and the capital leases expire in 2026.
We have a $1,000,000 unsecured revolving credit facility that is available for general business purposes, including acquisitions. The maturity date of our revolving credit facility is January 15, 2022, and, subject to the payment of an extension fee and meeting other conditions, we have the option to extend the maturity date of the facility for an additional year. Our revolving credit facility provides that we can borrow, repay and re-borrow funds available under our revolving credit facility until maturity, and no principal repayment is due until maturity. Our revolving credit facility requires annual interest to be paid on borrowings at the rate of LIBOR plus a premium of 120 basis points, plus a facility fee of 25 basis points per annum on the total amount of lending commitments under the facility. The interest rate premium and facility fee are each subject to adjustment based upon changes to our credit ratings. The facility also includes a feature pursuant to which in certain circumstances maximum borrowings under the facility may be increased to up to $2,000,000.
As of June 30, 2019, the annual interest rate payable on borrowings under our revolving credit facility was 3.6%. The weighted average annual interest rates for borrowings under our revolving credit facility were 3.6% and 3.0% for the three months ended June 30, 2019 and 2018, respectively, and 3.6% and 2.7% for the six months ended June 30, 2019 and 2018, respectively. As of June 30, 2019, we had $690,000 outstanding and $310,000 available for borrowing, and as of August 7, 2019, we had $555,000 outstanding and $445,000 available for borrowing under our revolving credit facility.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
We have a $350,000 term loan that matures in January 2020 and is prepayable without penalty at any time. This term loan requires annual interest to be paid at the rate of LIBOR plus a premium of 140 basis points that is subject to adjustment based upon changes to our credit ratings. At June 30, 2019, the annual interest rate payable on amounts outstanding under this term loan was 3.8%. The weighted average annual interest rate for amounts outstanding under this term loan was 3.9% and 3.4% for the three months ended June 30, 2019 and 2018, respectively, and 3.9% and 3.2% for the six months ended June 30, 2019 and 2018, respectively. This term loan includes an accordion feature under which maximum borrowings may be increased to up to $700,000 in certain circumstances.
We have a $200,000 term loan that matures in September 2022 and is prepayable without penalty at any time. This term loan requires annual interest to be paid at the rate of LIBOR plus a premium of 135 basis points that is subject to adjustment based upon changes to our credit ratings. At June 30, 2019, the annual interest rate payable on amounts outstanding under this term loan was 3.8%. The weighted average annual interest rate for amounts outstanding under this term loan was 3.9% and 3.3% for the three months ended June 30, 2019 and 2018, respectively, and 3.9% and 3.2% for the six months ended June 30, 2019 and 2018, respectively. This term loan includes an accordion feature under which maximum borrowings may be increased to up to $400,000 in certain circumstances.
In May 2019, we redeemed at par all of our outstanding 3.25% senior notes due 2019 for a redemption price equal to the principal amount of $400,000, plus accrued and unpaid interest of $6,500. We funded this redemption with cash on hand and borrowings under our revolving credit facility.
Also in May 2019, we prepaid, at par plus accrued interest, a mortgage note secured by four of our senior living communities with an outstanding principal balance of approximately $42,211, a maturity date in July 2019 and an annual interest rate of 3.79%. As a result of this prepayment, we recorded a loss on early extinguishment of debt of $17 for each of the three and six months ended June 30, 2019. We prepaid this mortgage using cash on hand and borrowings under our revolving credit facility.
Our revolving credit facility and term loan agreements and our senior unsecured notes indentures and their supplements provide for acceleration of payment of all amounts due thereunder upon the occurrence and continuation of certain events of default, such as, in the case of our revolving credit facility and term loan agreements, a change of control of us, as defined, which includes The RMR Group LLC, or RMR LLC, ceasing to act as our business and property manager. Our revolving credit facility and term loan agreements and our senior unsecured notes indentures and their supplements also contain covenants, including those that restrict our ability to incur debts, and generally require us to maintain certain financial ratios, and our revolving credit facility and term loan agreements restrict our ability to make distributions under certain circumstances. We believe we were in compliance with the terms and conditions of the respective covenants under our revolving credit facility and term loan agreements and our senior unsecured notes indentures and their supplements at June 30, 2019.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Note 5. Fair Value of Assets and Liabilities
The following table presents certain of our assets and liabilities that are measured at fair value at June 30, 2019, categorized by the level of inputs as defined in the fair value hierarchy under GAAP, used in the valuation of each asset or liability.

|  |  |  | Fair Value at Reporting Date Using
|  |  |  | Quoted Prices in Active Markets for Identical Assets |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
Description |  | Total |  | (Level 1) |  | (Level 2) |  | (Level 3)
Recurring Fair Value Measurements Assets: |  |  |  |  |  |  |  |
Investment in RMR Inc. (1) |  | $ | 123,905 |  |  | $ | 123,905 |  |  | $ | — |  |  | $ | — |
Investment in Five Star (2) |  | $ | 1,953 |  |  | $ | 1,953 |  |  | $ | — |  |  | $ | — |
Non-Recurring Fair Value Measurements Assets: |  |  |  |  |  |  |  |
Real estate properties held for sale (3) |  | $ | 7,613 |  |  | $ | — |  |  | $ | 7,613 |  |  | $ | — |
Non-Recurring Fair Value Measurements Liabilities: |  |  |  |  |  |  |  |
Other Liability (1) |  | $ | 18,409 |  |  | $ | — |  |  | $ | 18,409 |  |  | $ | — |

(1) | Our 2,637,408 shares of class A common stock of The RMR Group Inc., or RMR Inc., are included in other assets, net in our condensed consolidated balance sheets and had a fair value at June 30, 2019 of $123,905, based on quoted market prices (Level 1 inputs as defined in the fair value hierarchy under GAAP). On June 26, 2019, we entered into an agreement to sell all of our shares of RMR Inc. class A common stock in an underwritten public offering at a price to the public of $40.00 per share. We completed this sale on July 1, 2019 in accordance with the terms of the underwriting agreement. See Note 11 for additional information regarding this sale. We have elected to account for the contract to sell our shares of RMR Inc. class A common stock using the fair value option, based upon the difference between the contractual offering price (Level 2 inputs as defined in the fair value hierarchy under GAAP) and the fair value of the underlying assets at June 30, 2019. Our historical cost basis for these shares is $69,826 as of June 30, 2019. During the three and six months ended June 30, 2019, we recorded unrealized losses of $36,925 and $16,089, respectively, to adjust the carrying value of our investment in RMR Inc. class A common shares to their fair value. In addition, during the three and six months ended June 30, 2019, we recorded a loss of $18,409 and estimated expenses of $6,938 related to the agreement to sell our shares of RMR Inc. class A common stock, both of which are included in unrealized gains and losses on equity securities, net in our condensed consolidated statements of comprehensive income (loss).

(2) | Our 4,235,000 shares of Five Star common stock are included in other assets, net in our condensed consolidated balance sheets, and are reported at fair value, which is based upon quoted market prices (Level 1 inputs). Our adjusted cost basis for these shares is $6,353 as of June 30, 2019. During the three and six months ended June 30, 2019, we recorded unrealized losses of $2,176 and $80, respectively, which are included in unrealized gains and losses on equity securities, net in our condensed consolidated statements of comprehensive income (loss), to adjust the carrying value of our investment in Five Star common shares to their fair value.

(3) | We also have assets in our condensed consolidated balance sheets that are measured at fair value on a nonrecurring basis. During the three and six months ended June 30, 2019, we recorded impairment charges of $2,117 and $8,323, respectively, to reduce the carrying value of 15 SNFs that are classified as held for sale to their estimated sales price, based on a purchase and sale agreement that we have entered into with a third party buyer for these SNFs, less estimated costs to sell of $7,613. See Note 3 for further information about impairment charges and these and other properties we have classified as held for sale.

In addition to the assets and liabilities described in the tables above, our financial instruments at June 30, 2019 and December 31, 2018 included cash and cash equivalents, restricted cash, other assets, our revolving credit facility, term loans, senior unsecured notes, secured debt and capital leases and other unsecured obligations and liabilities. The fair values of these
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
financial instruments approximated their carrying values in our condensed consolidated financial statements as of such dates, except as follows:

|  | As of June 30, 2019 |  | As of December 31, 2018
Description |  | Carrying Amount (1) |  | Estimated Fair Value |  | Carrying Amount (1) |  | Estimated Fair Value
Senior unsecured notes |  | $ | 1,818,923 |  |  | $ | 1,813,227 |  |  | $ | 2,216,945 |  |  | $ | 2,138,202 |
Secured debts(2) |  | 699,640 |  |  | 699,684 |  |  | 744,186 |  |  | 723,003 |
|  | $ | 2,518,563 |  |  | $ | 2,512,911 |  |  | $ | 2,961,131 |  |  | $ | 2,861,205 |

(1) | Includes unamortized debt issuance costs, premiums and discounts.

(2) | We assumed certain of these secured debts in connection with our acquisition of certain properties. We recorded the assumed mortgage notes at estimated fair value on the date of acquisition and we are amortizing the fair value adjustments, if any, to interest expense over the respective terms of the mortgage notes to adjust interest expense to the estimated market interest rates as of the date of acquisition.

We estimated the fair value of our two issuances of senior unsecured notes due 2042 and 2046 based on the closing price on The Nasdaq Stock Market LLC, or Nasdaq, (a Level 1 input) as of June 30, 2019. We estimated the fair values of our four issuances of senior unsecured notes due 2020, 2021, 2024 and 2028 using an average of the bid and ask price on Nasdaq on or about June 30, 2019 (Level 2 inputs as defined in the fair value hierarchy under GAAP). We estimated the fair values of our secured debts by using discounted cash flows analyses and currently prevailing market terms as of the measurement date (Level 3 inputs as defined in the fair value hierarchy under GAAP). Because Level 3 inputs are unobservable, our estimated fair values may differ materially from the actual fair values.
Note 6. Noncontrolling Interest
We have a joint venture arrangement with a sovereign investor for one of our MOBs (two buildings) located in Boston, Massachusetts. The investor owns a 45% equity interest in the joint venture, and we own the remaining 55% equity interest in the joint venture. We continue to control this property and therefore continue to account for this property on a consolidated basis in our condensed consolidated financial statements under the VIE model. The portion of the joint venture's net income and comprehensive income not attributable to us, or $1,413 and $1,401 for the three months ended June 30, 2019 and 2018, respectively, and $2,835 and $2,784 for the six months ended June 30, 2019 and 2018, respectively, is reported as noncontrolling interest in our condensed consolidated statements of comprehensive income (loss). We made aggregate cash distributions to our joint venture partner of $5,684 and $5,114 for the three months ended June 30, 2019 and 2018, respectively, and $11,187 and $10,781 for the six months ended June 30, 2019 and 2018, respectively, which are reflected as a decrease in total equity attributable to noncontrolling interest in our condensed consolidated balance sheets. As of June 30, 2019, this joint venture held real estate assets with an aggregate net book value of $735,133, subject to mortgage notes of $620,000.
In assessing whether we have a controlling interest in this joint venture arrangement and are required to consolidate the accounts of the joint venture entity, we considered the members' rights to residual gains and obligations to absorb losses, which activities most significantly impact the economic performance of the entity and which member has the power to direct those activities.
Note 7. Shareholders’ Equity
Share Awards:
On May 21, 2019, in accordance with our Trustee compensation arrangements, we granted 3,000 of our common shares, valued at $7.95 per share, the closing price of our common shares on Nasdaq on that day, to each of our five Trustees as part of their annual compensation.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Share Purchases:
On April 5, 2019, we purchased 3,529 of our common shares, valued at $9.47 per share, the closing price of our common shares on Nasdaq on that day, from a former employee of RMR LLC in satisfaction of tax withholding and payment obligations in connection with the vesting of awards of our common shares.
On July 3, 2019, we purchased 2,912 of our common shares, valued at $8.64 per share, the closing price of our common shares on Nasdaq on that day, from a former employee of RMR LLC in satisfaction of tax withholding and payment obligations in connection with the vesting of awards of our common shares.
Distributions:
On February 21, 2019, we paid a regular quarterly distribution to common shareholders of $0.39 per share, or approximately $92,714, that was declared on January 18, 2019 and was payable to shareholders of record on January 28, 2019.
On May 16, 2019, we paid a regular quarterly distribution to common shareholders of $0.15 per share, or approximately $35,659, that was declared on April 18, 2019 and was payable to shareholders of record on April 29, 2019.
On July 18, 2019, we declared a regular quarterly distribution payable to common shareholders of record on July 29, 2019, of $0.15 per share, or approximately $35,661. We expect to pay this distribution on or about August 15, 2019.
Note 8. Segment Reporting
We have four operating segments, of which three are separate reporting segments. We aggregate the reporting units in each of our MOBs, our triple net leased senior living communities and our managed senior living communities into three reporting segments, based on their similar operating and economic characteristics. The first reporting segment includes MOBs where the tenants pay us rent. The second reporting segment includes triple net leased senior living communities that provide short term and long term residential care and other services for residents and from which we receive rents from the operators. The third reporting segment includes managed senior living communities that provide short term and long term residential care and other services for residents where we pay fees to the operator to manage the communities for our account. Our fourth segment includes all of our other operations, including certain properties that offer wellness, fitness and spa services to members and with respect to which we receive rents from operators, which we do not consider to be sufficiently material to constitute a separate reporting segment.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)

|  | For the Three Months Ended June 30, 2019
|  | MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental income |  | $ | 104,385 |  |  | $ | 44,037 |  |  | $ | — |  |  | $ | 4,675 |  |  | $ | 153,097 |
Residents fees and services |  | — |  |  | — |  |  | 108,906 |  |  | — |  |  | 108,906 |
Total revenues |  | 104,385 |  |  | 44,037 |  |  | 108,906 |  |  | 4,675 |  |  | 262,003 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating expenses |  | 32,525 |  |  | — |  |  | 87,668 |  |  | — |  |  | 120,193 |
Depreciation and amortization |  | 35,037 |  |  | 21,457 |  |  | 16,483 |  |  | 947 |  |  | 73,924 |
General and administrative |  | — |  |  | — |  |  | — |  |  | 8,867 |  |  | 8,867 |
Acquisition and certain other transaction related costs |  | — |  |  | — |  |  | — |  |  | 903 |  |  | 903 |
Impairment of assets |  | 96 |  |  | 2,117 |  |  | — |  |  | — |  |  | 2,213 |
Total expenses |  | 67,658 |  |  | 23,574 |  |  | 104,151 |  |  | 10,717 |  |  | 206,100 |
Gain on sale of properties |  | 2,625 |  |  | 15,207 |  |  | — |  |  | — |  |  | 17,832 |
Dividend income |  | — |  |  | — |  |  | — |  |  | 923 |  |  | 923 |
Unrealized gains and losses on equity securities, net |  | — |  |  | — |  |  | — |  |  | (64,448 | ) |  | (64,448 | )
Interest and other income |  | — |  |  | — |  |  | — |  |  | 238 |  |  | 238 |
Interest expense |  | (5,988 | ) |  | (170 | ) |  | (730 | ) |  | (39,524 | ) |  | (46,412 | )
Loss on early extinguishment of debt |  | — |  |  | — |  |  | (17 | ) |  | — |  |  | (17 | )
Income (loss) from continuing operations before income tax benefit and equity in earnings of an investee |  | 33,364 |  |  | 35,500 |  |  | 4,008 |  |  | (108,853 | ) |  | (35,981 | )
Income tax benefit |  | — |  |  | — |  |  | — |  |  | 35 |  |  | 35 |
Equity in earnings of an investee |  | — |  |  | — |  |  | — |  |  | 130 |  |  | 130 |
Net income (loss) |  | 33,364 |  |  | 35,500 |  |  | 4,008 |  |  | (108,688 | ) |  | (35,816 | )
Net income attributable to noncontrolling interest |  | (1,413 | ) |  | — |  |  | — |  |  | — |  |  | (1,413 | )
Net income (loss) attributable to common shareholders |  | $ | 31,951 |  |  | $ | 35,500 |  |  | $ | 4,008 |  |  | $ | (108,688 | ) |  | $ | (37,229 | )

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)

|  | For the Six Months Ended June 30, 2019
|  | MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental income |  | $ | 207,606 |  |  | $ | 94,357 |  |  | $ | — |  |  | $ | 9,375 |  |  | $ | 311,338 |
Residents fees and services |  | — |  |  | — |  |  | 216,951 |  |  | — |  |  | 216,951 |
Total revenues |  | 207,606 |  |  | 94,357 |  |  | 216,951 |  |  | 9,375 |  |  | 528,289 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating expenses |  | 64,702 |  |  | — |  |  | 172,713 |  |  | — |  |  | 237,415 |
Depreciation and amortization |  | 71,138 |  |  | 40,879 |  |  | 32,243 |  |  | 1,894 |  |  | 146,154 |
General and administrative |  | — |  |  | — |  |  | — |  |  | 18,683 |  |  | 18,683 |
Acquisition and certain other transaction related costs |  | — |  |  | — |  |  | — |  |  | 8,717 |  |  | 8,717 |
Impairment of assets |  | 96 |  |  | 8,323 |  |  | — |  |  | — |  |  | 8,419 |
Total expenses |  | 135,936 |  |  | 49,202 |  |  | 204,956 |  |  | 29,294 |  |  | 419,388 |
Gain on sale of properties |  | 2,503 |  |  | 15,207 |  |  | — |  |  | — |  |  | 17,710 |
Dividend income |  | — |  |  | — |  |  | — |  |  | 1,846 |  |  | 1,846 |
Unrealized gains and losses on equity securities, net |  | — |  |  | — |  |  | — |  |  | (41,516 | ) |  | (41,516 | )
Interest and other income |  | — |  |  | — |  |  | — |  |  | 352 |  |  | 352 |
Interest expense |  | (12,018 | ) |  | (408 | ) |  | (1,550 | ) |  | (78,047 | ) |  | (92,023 | )
Loss on early extinguishment of debt |  | — |  |  | — |  |  | (17 | ) |  | — |  |  | (17 | )
Income (loss) from continuing operations before income tax expense and equity in earnings of an investee |  | 62,155 |  |  | 59,954 |  |  | 10,428 |  |  | (137,284 | ) |  | (4,747 | )
Income tax expense |  | — |  |  | — |  |  | — |  |  | (99 | ) |  | (99 | )
Equity in earnings of an investee |  | — |  |  | — |  |  | — |  |  | 534 |  |  | 534 |
Net income (loss) |  | 62,155 |  |  | 59,954 |  |  | 10,428 |  |  | (136,849 | ) |  | (4,312 | )
Net income attributable to noncontrolling interest |  | (2,835 | ) |  | — |  |  | — |  |  | — |  |  | (2,835 | )
Net income (loss) attributable to common shareholders |  | $ | 59,320 |  |  | $ | 59,954 |  |  | $ | 10,428 |  |  | $ | (136,849 | ) |  | $ | (7,147 | )

|  | As of June 30, 2019
|  | MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Total assets |  | $ | 3,294,265 |  |  | $ | 1,968,936 |  |  | $ | 1,454,742 |  |  | $ | 380,767 |  |  | $ | 7,098,710 |

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)

|  | For the Three Months Ended June 30, 2018
|  | MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental income |  | $ | 103,854 |  |  | $ | 66,113 |  |  | $ | — |  |  | $ | 4,618 |  |  | $ | 174,585 |
Residents fees and services |  | — |  |  | — |  |  | 102,617 |  |  | — |  |  | 102,617 |
Total revenues |  | 103,854 |  |  | 66,113 |  |  | 102,617 |  |  | 4,618 |  |  | 277,202 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating expenses |  | 31,183 |  |  | — |  |  | 78,873 |  |  | — |  |  | 110,056 |
Depreciation and amortization |  | 36,326 |  |  | 20,186 |  |  | 14,841 |  |  | 947 |  |  | 72,300 |
General and administrative |  | — |  |  | — |  |  | — |  |  | 29,078 |  |  | 29,078 |
Acquisition and certain other transaction related costs |  | — |  |  | — |  |  | — |  |  | 67 |  |  | 67 |
Impairment of assets |  | — |  |  | 548 |  |  | — |  |  | — |  |  | 548 |
Total expenses |  | 67,509 |  |  | 20,734 |  |  | 93,714 |  |  | 30,092 |  |  | 212,049 |
Gain on sale of properties |  | — |  |  | 80,762 |  |  | — |  |  | — |  |  | 80,762 |
Dividend income |  | — |  |  | — |  |  | — |  |  | 659 |  |  | 659 |
Unrealized gains and losses on equity securities, net |  | — |  |  | — |  |  | — |  |  | 23,265 |  |  | 23,265 |
Interest and other income |  | — |  |  | — |  |  | — |  |  | 60 |  |  | 60 |
Interest expense |  | (6,113 | ) |  | (565 | ) |  | (1,256 | ) |  | (36,879 | ) |  | (44,813 | )
Income (loss) from continuing operations before income tax expense and equity in earnings of an investee |  | 30,232 |  |  | 125,576 |  |  | 7,647 |  |  | (38,369 | ) |  | 125,086 |
Income tax expense |  | — |  |  | — |  |  | — |  |  | (105 | ) |  | (105 | )
Equity in earnings of an investee |  | — |  |  | — |  |  | — |  |  | 7 |  |  | 7 |
Net income (loss) |  | 30,232 |  |  | 125,576 |  |  | 7,647 |  |  | (38,467 | ) |  | 124,988 |
Net income attributable to noncontrolling interest |  | (1,401 | ) |  | — |  |  | — |  |  | — |  |  | (1,401 | )
Net income (loss) attributable to common shareholders |  | $ | 28,831 |  |  | $ | 125,576 |  |  | $ | 7,647 |  |  | $ | (38,467 | ) |  | $ | 123,587 |

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)

|  | For the Six Months Ended June 30, 2018
|  | MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental income |  | $ | 205,005 |  |  | $ | 134,088 |  |  | $ | — |  |  | $ | 9,220 |  |  | $ | 348,313 |
Residents fees and services |  | — |  |  | — |  |  | 204,659 |  |  | — |  |  | 204,659 |
Total revenues |  | 205,005 |  |  | 134,088 |  |  | 204,659 |  |  | 9,220 |  |  | 552,972 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating expenses |  | 62,121 |  |  | — |  |  | 156,033 |  |  | — |  |  | 218,154 |
Depreciation and amortization |  | 70,711 |  |  | 40,381 |  |  | 29,652 |  |  | 1,895 |  |  | 142,639 |
General and administrative |  | — |  |  | — |  |  | — |  |  | 54,196 |  |  | 54,196 |
Acquisition and certain other transaction related costs |  | — |  |  | — |  |  | — |  |  | 87 |  |  | 87 |
Impairment of assets |  | — |  |  | 548 |  |  | — |  |  | — |  |  | 548 |
Total expenses |  | 132,832 |  |  | 40,929 |  |  | 185,685 |  |  | 56,178 |  |  | 415,624 |
Gain on sale of properties |  | — |  |  | 261,916 |  |  | — |  |  | — |  |  | 261,916 |
Dividend income |  | — |  |  | — |  |  | — |  |  | 1,318 |  |  | 1,318 |
Unrealized gains and losses on equity securities, net |  | — |  |  | — |  |  | — |  |  | 50,506 |  |  | 50,506 |
Interest and other income |  | — |  |  | — |  |  | — |  |  | 114 |  |  | 114 |
Interest expense |  | (12,022 | ) |  | (1,136 | ) |  | (2,583 | ) |  | (72,624 | ) |  | (88,365 | )
Loss on early extinguishment of debt |  | — |  |  | — |  |  | (130 | ) |  | — |  |  | (130 | )
Income (loss) from continuing operations before income tax expense and equity in earnings of an investee |  | 60,151 |  |  | 353,939 |  |  | 16,261 |  |  | (67,644 | ) |  | 362,707 |
Income tax expense |  | — |  |  | — |  |  | — |  |  | (365 | ) |  | (365 | )
Equity in earnings of an investee |  | — |  |  | — |  |  | — |  |  | 51 |  |  | 51 |
Net income (loss) |  | 60,151 |  |  | 353,939 |  |  | 16,261 |  |  | (67,958 | ) |  | 362,393 |
Net income attributable to noncontrolling interest |  | (2,784 | ) |  | — |  |  | — |  |  | — |  |  | (2,784 | )
Net income (loss) attributable to common shareholders |  | $ | 57,367 |  |  | $ | 353,939 |  |  | $ | 16,261 |  |  | $ | (67,958 | ) |  | $ | 359,609 |

| As of December 31, 2018
| MOBs |  | Triple Net Leased Senior Living Communities |  | Managed Senior Living Communities |  | All Other Operations |  | Consolidated
Total assets | $ | 3,344,581 |  |  | $ | 2,044,939 |  |  | $ | 1,395,657 |  |  | $ | 375,249 |  |  | $ | 7,160,426 |

Note 9. Leases and Management Agreements with Five Star
We are Five Star’s largest landlord and Five Star is our largest tenant. As of June 30, 2019 and 2018, we leased 181 and 184 senior living communities to Five Star, respectively. We lease senior living communities to Five Star pursuant to five master leases. Five Star also manages senior living communities for our account pursuant to management and pooling agreements under which Five Star earns management fees. As of June 30, 2019 and 2018, Five Star managed 77 and 75 senior living communities, respectively, for our account.
Five Star had previously announced that a substantial doubt existed regarding its ability to continue as a going concern because of, among other things: challenging current senior living industry conditions had and may continue to negatively impact Five Star’s operating results; Five Star has incurred recurring operating losses in each of the last three fiscal years; Five Star did not expect to be able to pay its full rent obligations in the first quarter of 2019 absent rent relief from us; and Five
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Star’s credit facility was fully drawn and scheduled to expire on June 28, 2019. On April 1, 2019, we entered into the Transaction Agreement, pursuant to which we agreed to modify our existing business arrangements with Five Star, subject to certain conditions and the receipt of various approvals, as further described below. In addition, in June 2019, Five Star amended and extended the term of its credit facility. Five Star has recently announced that, even though the challenging conditions in the senior living industry continue to exist, it believes that there no longer exists a substantial doubt about its ability to continue as a going concern as a result of actions it has taken since March 31, 2019. We cannot be sure whether the transactions contemplated by the Transaction Agreement will be completed or whether Five Star will be able to continue as a going concern.
The April 2019 Transaction Agreement with Five Star. Among other things, the Transaction Agreement provides that, subject to the satisfaction of certain conditions, effective January 1, 2020 (or January 1, 2021 if extended under the Transaction Agreement), or the Conversion Time:
•our five existing master leases with Five Star for all of our senior living communities that are leased by Five Star, as well as our existing management agreements and pooling agreements with Five Star for our senior living communities that are operated by Five Star, will be terminated and replaced, or the Conversion, with new management agreements for all of these senior living communities, or collectively, the New Management Agreements;
•Five Star will issue to us such number of Five Star common shares as is necessary to cause us to own, when considered together with our then owned Five Star common shares, approximately 34% of the then outstanding Five Star common shares, and we will declare a pro rata distribution to holders of our common shares of beneficial interest of the right to receive, and Five Star will issue on a pro rata basis to such holders, a number of Five Star common shares which equals approximately 51% of the then outstanding Five Star common shares, or, together, the Five Star Share Issuances; the noted percentage ownership amounts are post-issuance, giving effect to the Five Star Share Issuances; and
•as consideration for the Five Star Share Issuances, we will provide to Five Star $75,000 of additional consideration, or, collectively with the Conversion and the Five Star Share Issuances, the Five Star Restructuring Transactions.
Also pursuant to the Transaction Agreement: (1) commencing February 1, 2019 through December 31, 2019, the aggregate amount of monthly minimum rent payable to us by Five Star under our master leases with Five Star is $11,000, subject to adjustment and extension, and no additional rent is payable to us by Five Star from such date to the Conversion Time; and (2) on April 1, 2019, we purchased from Five Star $49,155 of unencumbered Qualifying PP&E (as defined in the Transaction Agreement) related to our senior living communities leased and operated by Five Star, which amount remains subject to possible additional adjustment but will not exceed $60,000. In accordance with the Transaction Agreement, the aggregate amount of monthly minimum rent payable to us by Five Star under our master leases with Five Star was subsequently reduced to $10,931 as a result of dispositions.
At its annual meeting of stockholders held on June 11, 2019, Five Star’s stockholders approved the Five Star Share Issuances. The Five Star Restructuring Transactions remain subject to conditions, including, among others: (1) the receipt of all Required Licenses (as defined in the Transaction Agreement) and any other third party consent or approval required for the consummation of the Five Star Restructuring Transactions; (2) the effectiveness of the registration statement on Form S-1 to be filed by Five Star with the Securities and Exchange Commission, or SEC, to register the Five Star common shares to be issued pursuant to the Five Star Share Issuances; and (3) approval by Nasdaq of the listing of the Five Star common shares to be issued pursuant to the Five Star Share Issuances, subject to official notice of issuance.
If any required approval is not obtained by December 31, 2019, and the failure to obtain such approval is not the result of a breach or default by Five Star under the Transaction Agreement, we and Five Star have agreed to work in good faith to determine an alternative to allow the Restructuring Transactions to occur on January 1, 2020; provided we are not required to agree to any alternative that would adversely affect our qualification for taxation as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended. If we and Five Star do not agree to any such alternative, and, as of January 1, 2020, the failure to obtain a required approval is the only remaining condition under the Transaction Agreement, the Conversion Time will be automatically extended to January 1, 2021. Pursuant to the Transaction Agreement, since Five Star’s stockholders approved the Five Star Share Issuance, monthly minimum rent payable by Five Star to us under our existing master leases with Five Star will remain at $11,000, subject to adjustment, regardless of whether the Transaction Agreement is extended and/or is terminated.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Five Star has agreed to expand its board of directors within six months following the Conversion Time to add an independent director (as defined in Five Star’s bylaws) reasonably satisfactory to us.
Pursuant to the New Management Agreements, Five Star will receive a management fee equal to 5% of the gross revenues realized at the applicable senior living communities plus reimbursement for its direct costs and expenses related to such communities, as well as an annual incentive fee equal to 15% of the amount by which the annual earnings before interest, taxes, depreciation and amortization, or EBITDA, of all communities on a combined basis exceeds the target EBITDA for all communities on a combined basis for such calendar year, provided that in no event shall the incentive fee be greater than 1.5% of the gross revenues realized at all communities on a combined basis for such calendar year.
The New Management Agreements provide for 15 year terms, subject to Five Star’s right to extend for two consecutive five year terms if it achieves certain performance targets for the combined managed communities portfolio. The New Management Agreements also provide us with the right to terminate the New Management Agreement for any community that does not earn 90% of the target EBITDA for such community for two consecutive calendar years or in any two of three consecutive calendar years, with the measurement period commencing January 1, 2021 (and the first termination not possible until the beginning of calendar year 2023), provided we may not in any calendar year terminate communities representing more than 20% of the combined revenues for all communities for the calendar year prior to such termination.
In connection with the Transaction Agreement, we entered into a credit agreement with Five Star, pursuant to which we extended to Five Star a $25,000 line of credit, or the Five Star credit facility. The Five Star credit facility matures on January 1, 2020, or January 1, 2021 if the Conversion Time is extended pursuant to the Transaction Agreement. The Five Star credit facility provides for interest to be paid on borrowed amounts at a rate of 6% per year and is secured by real estate mortgages on six senior living communities owned by certain of Five Star’s subsidiaries that guarantee Five Star’s obligations under the Five Star credit facility, and certain personal property owned by those and certain other Five Star subsidiaries. The Five Star credit facility provides for acceleration of payment of all amounts outstanding under the Five Star credit facility upon the occurrence and continuation of certain events of default, including a default by Five Star under the Transaction Agreement and certain other agreements. The agreement governing the Five Star credit facility contains covenants, including those that restrict Five Star’s ability to incur debt or to pay dividends or make other distributions to its stockholders in certain circumstances. As of August 7, 2019, Five Star has not made any borrowings under the Five Star credit facility.
We determined that the Five Star Restructuring Transactions constituted a reconsideration event requiring us to assess whether we held a controlling financial interest in Five Star. As a result of this assessment, we determined that Five Star is a VIE as of the signing of the Transaction Agreement. We determined not to consolidate Five Star in our condensed consolidated financial statements, as we do not have the power to direct the activities of Five Star that most significantly impact Five Star’s economic performance and therefore are not the primary beneficiary of Five Star.
Our Senior Living Communities Leased by Five Star. We recognized rental income payable by Five Star of $33,400 and $51,692 for the three months ended June 30, 2019 and 2018, respectively, and $72,713 and $103,450 for the six months ended June 30, 2019 and 2018, respectively. Rental income for each of the three and six months ended June 30, 2019 includes $538 of variable payments we received from Five Star. Rental income for the three and six months ended June 30, 2018 excludes $1,289 and $2,664, respectively, of variable payments we received from Five Star. As of June 30, 2019 and December 31, 2018, we had receivables from Five Star of $14,786 and $18,697, respectively, which amounts are included in other assets, net in our condensed consolidated balance sheets. Rental income from Five Star represented 12.7% and 13.8% of our total revenues for the three and six months ended June 30, 2019, respectively. The properties Five Star leases from us represented 26.4%, excluding properties held for sale, if any, of our real estate investments, at cost, as of June 30, 2019.
Pursuant to the terms of our leases with Five Star, for the six months ended June 30, 2018, we funded $8,529 of improvements to communities leased to Five Star. As a result, the annual minimum rent payable to us by Five Star increased by approximately $680, as of June 30, 2018. Pursuant to the Transaction Agreement, the $86,288 of improvements to communities leased to Five Star, including $49,155 of fixed assets and improvements that were purchased pursuant to the Transaction Agreement as discussed above, that we funded during the six months ended June 30, 2019 did not result in increased rent payable by Five Star.
Our Senior Living Communities Managed by Five Star. Five Star manages certain senior living communities that we lease to our TRSs. As described above, pursuant to the Transaction Agreement, we have agreed to replace our long term management and pooling agreements with Five Star with new management agreements effective January 1, 2020 (or January 1, 2021 if the
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Conversion Time is extended under the Transaction Agreement), subject to certain conditions and the receipt of various approvals.
We incurred management fees payable to Five Star of $3,871 and $3,533 for the three months ended June 30, 2019 and 2018, respectively, and $7,660 and $7,027 for the six months ended June 30, 2019 and 2018, respectively. These amounts are included in property operating expenses or have been capitalized, as appropriate, in our condensed consolidated financial statements.
The following table presents residents fees and services revenue disaggregated by type of contract and payer:

Revenue from contracts with customers: |  | Three Months Ended June 30, 2019 |  | Six Months Ended June 30, 2019
Basic housing and support services |  | $ | 89,082 |  |  | $ | 176,494 |
Medicare and Medicaid programs |  | 7,686 |  |  | 16,431 |
Private pay and other third party payer SNF services |  | 12,138 |  |  | 24,026 |
Total residents fees and services |  | $ | 108,906 |  |  | $ | 216,951 |

Five Star also provides certain other services directly to residents at some of the senior living communities it manages for our account, such as rehabilitation services. At senior living communities Five Star manages for us where Five Star provides rehabilitation services on an outpatient basis, the residents, third party payers or government programs pay Five Star directly for those rehabilitation services. At senior living communities Five Star manages for us where Five Star provides both inpatient and outpatient rehabilitation services, we generally pay Five Star for these services and charges for these services are included in amounts charged to residents, third party payers or government programs. We incurred fees payable to Five Star of $1,513 and $1,660 for the three months ended June 30, 2019 and 2018, respectively, and $3,188 and $3,359 for the six months ended June 30, 2019 and 2018, respectively, for rehabilitation services Five Star provided at senior living communities it manages for us; we include these amounts in property operating expenses in our condensed consolidated statements of comprehensive income (loss).
In April 2019, Five Star began managing for our account a senior living community we own located in Oregon with 318 living units, pursuant to a management agreement with Five Star on terms substantially similar to those of existing management agreements between us and Five Star, after the previous tenant defaulted on its lease with us.
Note 10. Business and Property Management Agreements with RMR LLC
We have no employees. The personnel and various services we require to operate our business are provided to us by RMR LLC. We have two agreements with RMR LLC to provide management services to us: (1) a business management agreement, which relates to our business generally; and (2) a property management agreement, which relates to the property level operations of our properties that are not senior living communities or wellness centers.
Pursuant to our business management agreement with RMR LLC, we recognized net business management fees of $6,582 and $26,489 for the three months ended June 30, 2019 and 2018, respectively, and $14,301 and $49,813 for the six months ended June 30, 2019 and 2018, respectively. The net business management fees we recognized for the three and six months ended June 30, 2019 include $725 and $1,450, respectively, of management fees related to our subsidiary level management agreement with RMR LLC entered in connection with our joint venture arrangement. Based on our common share total return, as defined in our business management agreement, as of June 30, 2019, no estimated 2019 incentive fees are included in the net business management fees we recognized for the three and six months ended June 30, 2019. The actual amount of annual incentive fees for 2019, if any, will be based on our common share total return as defined in our business management agreement, for the three-year period ending December 31, 2019, and will be payable in 2020. The net business management fees for the three and six months ended June 30, 2018 included $725 and $1,450, respectively, of management fees related to our subsidiary level management agreement with RMR LLC and $17,610 and $31,957, respectively, of estimated 2018 incentive fees based on our common share total return, as defined in our business management agreement, as of June 30, 2018. In January 2019, we paid RMR LLC an incentive fee of $40,642 for 2018. We include business management fee amounts in general and administrative expenses in our condensed consolidated statements of comprehensive income (loss).
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
Pursuant to our property management agreement with RMR LLC, we recognized aggregate net property management and construction supervision fees of $3,491 and $2,984 for the three months ended June 30, 2019 and 2018, respectively, and $6,555 and $5,805 for the six months ended June 30, 2019 and 2018, respectively. These amounts are included in property operating expenses or have been capitalized, as appropriate, in our condensed consolidated financial statements.
We are generally responsible for all our operating expenses, including certain expenses incurred or arranged by RMR LLC on our behalf. We are generally not responsible for payment of RMR LLC’s employment, office or administrative expenses incurred to provide management services to us, except for the employment and related expenses of RMR LLC’s employees assigned to work exclusively or partly at our MOBs, our share of the wages, benefits and other related costs of RMR LLC's centralized accounting personnel, our share of RMR LLC’s costs for providing our internal audit function, or as otherwise agreed. Our property level operating expenses are generally incorporated into the rents charged to our tenants, including certain payroll and related costs incurred by RMR LLC. We reimbursed RMR LLC $3,352 and $3,172 for these expenses and costs for the three months ended June 30, 2019 and 2018, respectively, and $6,726 and $5,951 for the six months ended June 30, 2019 and 2018, respectively. We included these amounts in other operating expenses and general and administrative expenses, as applicable, in our condensed consolidated statements of comprehensive income (loss).
Note 11. Related Person Transactions
We have relationships and historical and continuing transactions with Five Star, RMR LLC, RMR Inc., Affiliates Insurance Company, or AIC, and others related to them, including other companies to which RMR LLC provides management services and which have trustees, directors and officers who are also our Trustees or officers.
Five Star. We are currently one of Five Star’s largest stockholders. As of June 30, 2019, we owned 4,235,000 of Five Star’s common shares, or approximately 8.3% of Five Star’s outstanding common shares. Five Star is our largest tenant and the manager of our managed senior living communities. RMR LLC provides management services to both us and Five Star. As of June 30, 2019, ABP Acquisition LLC, a subsidiary of ABP Trust, the controlling shareholder of RMR Inc., owned 35.4% of Five Star's outstanding common shares. Adam D. Portnoy, the Chair of our Board of Trustees and one of our Managing Trustees, is the sole trustee, an officer and the controlling shareholder of ABP Trust and a managing director of Five Star. Five Star’s president and chief executive officer and chief financial officer and treasurer are officers and employees of RMR LLC. On April 1, 2019, we entered into the Transaction Agreement, pursuant to which we agreed to modify our existing business arrangements with Five Star, subject to certain conditions and the receipt of various approvals. See Note 9 for further information regarding our relationships, agreements and transactions with Five Star and Note 5 for further information regarding our investment in Five Star.
Our Manager, RMR LLC. We have two agreements with RMR LLC to provide management services to us. See Note 10 for further information regarding our management agreements with RMR LLC.
RMR Inc. RMR LLC is a majority owned subsidiary of RMR Inc. and RMR Inc. is the managing member of RMR LLC. Adam D. Portnoy, the Chair of our Board of Trustees and one of our Managing Trustees, is the sole trustee, an officer and the controlling shareholder of ABP Trust, which is the controlling shareholder of RMR Inc., a managing director, president and chief executive officer of RMR Inc., and an officer and employee of RMR LLC. Jennifer B. Clark, our other Managing Trustee and our Secretary, also serves as a managing director and as executive vice president, general counsel and secretary of RMR Inc., an officer of ABP Trust, an officer and employee of RMR LLC and the secretary of Five Star. Other officers and employees of RMR LLC also serve as our officers.
As of June 30, 2019, we owned 2,637,408 shares of class A common stock of RMR Inc. On July 1, 2019, we sold the shares of class A common stock of RMR Inc. we owned in an underwritten public offering at a price to the public of $40.00 per share pursuant to the underwriting agreement among us, RMR Inc., certain other REITs managed by RMR LLC that also sold their class A common stock of RMR Inc. in the offering, and the underwriters named therein. We received net proceeds of $98,903 from this sale, after deducting the underwriting discounts and commissions and before other offering expenses. See Note 5 for further information regarding our investment in RMR Inc.
AIC. We, ABP Trust, Five Star and four other companies to which RMR LLC provides management services currently own AIC in equal amounts. We and the other AIC shareholders historically participated in a combined property insurance program arranged and reinsured in part by AIC. The policies under that program expired on June 30, 2019, and we and the other AIC
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SENIOR HOUSING PROPERTIES TRUST
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
(dollar amounts in thousands, except per share data or as otherwise stated)
shareholders elected not to renew the AIC property insurance program; we have instead purchased standalone property insurance coverage with unrelated third party insurance providers.
As of June 30, 2019 and December 31, 2018, our investment in AIC had a carrying value of $9,303 and $8,632, respectively. These amounts are included in other assets, net in our condensed consolidated balance sheets. We recognized income related to our investment in AIC, which is presented as equity in earnings of an investee in our condensed consolidated statements of comprehensive income (loss). Our other comprehensive income includes our proportionate part of unrealized gains (losses) on fixed income securities that are owned by AIC related to our investment in AIC.
For further information about these and other such relationships and certain other related person transactions, refer to our Annual Report.
Note 12. Income Taxes
We have elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended, and as such, are generally not subject to federal and most state income taxation on our operating income provided we distribute our taxable income to our shareholders and meet certain organization and operating requirements. We do, however, lease certain managed senior living communities to our wholly owned TRSs that, unlike most of our subsidiaries, file a separate consolidated federal corporate income tax return and are subject to federal and state income taxes. Our consolidated income tax provision includes the income tax provision related to the operations of our TRSs and certain state income taxes we incur despite our taxation as a REIT. During the three months ended June 30, 2019 and 2018, we recognized income tax benefit of $35 and expense of $105, respectively, and during the six months ended June 30, 2019 and 2018, we recognized income tax expense of $99 and $365, respectively.
Note 13. Weighted Average Common Shares
The following table provides a reconciliation of the weighted average number of common shares used in the calculation of basic and diluted earnings per share (in thousands):

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Weighted average common shares for basic earnings per share |  | 237,580 |  |  | 237,487 |  |  | 237,574 |  |  | 237,483 |
Effect of dilutive securities: unvested share awards |  | — |  |  | 42 |  |  | — |  |  | 23 |
Weighted average common shares for diluted earnings per share (1) |  | 237,580 |  |  | 237,529 |  |  | 237,574 |  |  | 237,506 |

(1) For the three and six months ended June 30, 2019, 68 and 18, respectively, of unvested common shares were not included in the calculation of diluted earnings per share because to do so would have been antidilutive.
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
The following discussion should be read in conjunction with our condensed consolidated financial statements and notes thereto included in this Quarterly Report on Form 10-Q and with our Annual Report.
We are a REIT organized under Maryland law. At June 30, 2019, we owned 456 properties, including 22 properties classified as held for sale, located in 42 states and Washington, D.C., including one MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest. At June 30, 2019, the undepreciated carrying value of our properties, which represents the gross book value of our real estate assets before depreciation and purchase price allocations, less impairment write downs, was $8.7 billion, excluding properties classified as held for sale. For the three months ended June 30, 2019, approximately 97% of our net operating income, or NOI, came from properties where a majority of the revenues are derived from our tenants' and residents’ private resources.
RESTRUCTURING OF BUSINESS ARRANGEMENTS WITH FIVE STAR
In April 2019, we entered into the Transaction Agreement, pursuant to which, subject to certain conditions and the receipt of various approvals, effective January 1, 2020 (or January 1, 2021 if extended under the Transaction Agreement), our existing five master leases with Five Star for our senior living communities that are leased to Five Star, as well as our existing management agreements and pooling agreements with Five Star for our senior living communities that are managed by Five Star for our account, will be terminated and replaced with new management agreements between us and Five Star for all of
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these senior living communities. The conversion of the master leases to management agreements will be a significant change in our arrangements with Five Star and may result in our realizing significantly different operating results from our senior living communities, including increased variability.
Also pursuant to the Transaction Agreement, in addition to other transactions, commencing February 1, 2019 through December 31, 2019, the aggregate amount of monthly minimum rent payable to us by Five Star was reduced to $11.0 million, which amount was subsequently reduced to $10.9 million as a result of dispositions, subject to adjustment and extension, and no additional rent is payable to us by Five Star starting from such date to the Conversion Time. For further information regarding the Transaction Agreement and our other business arrangements with Five Star, see Notes 9 and 11 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.
PORTFOLIO OVERVIEW
The following tables present an overview of our portfolio (dollars in thousands, except investment per unit or square foot data):

(As of June 30, 2019) |  | Number of Properties |  | Square Feet or Number of Units |  |  |  | Carrying Value of Investment(1) |  | % of Total Investment |  | Investment per Square Foot or Unit(2) |  | Q2 2019 Revenues (3) |  | % of Q2 2019 Revenues |  | Q2 2019 NOI (3)(4) |  | % of Q2 2019 NOI
Property Type |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MOBs (5) |  | 145 |  |  | 12,372,487 |  |  | sq. ft. |  | $ | 3,844,168 |  |  | 44.3 | % |  | $ | 311 |  |  | $ | 103,794 |  |  | 39.7 | % |  | $ | 71,363 |  |  | 50.5 | %
Independent living (6) |  | 68 |  |  | 15,039 |  |  |  |  | 2,338,211 |  |  | 26.9 | % |  | $ | 155,476 |  |  | 83,607 |  |  | 32.0 | % |  | 32,092 |  |  | 22.7 | %
Assisted living (6) |  | 198 |  |  | 14,766 |  |  |  |  | 2,195,158 |  |  | 25.3 | % |  | $ | 148,663 |  |  | 65,151 |  |  | 24.9 | % |  | 28,998 |  |  | 20.6 | %
Skilled nursing facilities (6) |  | 35 |  |  | 3,485 |  |  |  |  | 123,272 |  |  | 1.4 | % |  | $ | 35,372 |  |  | 4,104 |  |  | 1.6 | % |  | 4,104 |  |  | 2.9 | %
Subtotal senior living communities |  | 301 |  |  | 33,290 |  |  |  |  | 4,656,641 |  |  | 53.6 | % |  | $ | 139,881 |  |  | 152,862 |  |  | 58.5 | % |  | 65,194 |  |  | 46.2 | %
Wellness centers |  | 10 |  |  | 812,000 |  |  | sq. ft. |  | 178,110 |  |  | 2.1 | % |  | $ | 219 |  |  | 4,675 |  |  | 1.8 | % |  | 4,675 |  |  | 3.3 | %
Total |  | 456 |  |  |  |  |  |  | $ | 8,678,919 |  |  | 100.0 | % |  |  |  |  | $ | 261,331 |  |  | 100.0 | % |  | $ | 141,232 |  |  | 100.0 | %
Tenant / Operator / Managed Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MOBs (5) |  | 145 |  |  | 12,372,487 |  |  | sq. ft. |  | $ | 3,844,168 |  |  | 44.3 | % |  | $ | 311 |  |  | $ | 103,794 |  |  | 39.7 | % |  | $ | 71,363 |  |  | 50.5 | %
Five Star (leased) (7) |  | 181 |  |  | 19,640 |  |  |  |  | 2,287,009 |  |  | 26.4 | % |  | $ | 116,446 |  |  | 33,319 |  |  | 12.7 | % |  | 33,319 |  |  | 23.6 | %
Brookdale |  | 18 |  |  | 940 |  |  |  |  | 65,912 |  |  | 0.7 | % |  | $ | 70,119 |  |  | 2,026 |  |  | 0.8 | % |  | 2,026 |  |  | 1.4 | %
9 private senior living companies (combined) |  | 25 |  |  | 2,626 |  |  |  |  | 388,874 |  |  | 4.5 | % |  | $ | 148,086 |  |  | 8,611 |  |  | 3.3 | % |  | 8,611 |  |  | 6.2 | %
Subtotal triple net leased senior living communities |  | 224 |  |  | 23,206 |  |  |  |  | 2,741,795 |  |  | 31.6 | % |  | $ | 118,150 |  |  | 43,956 |  |  | 16.8 | % |  | 43,956 |  |  | 31.2 | %
Managed senior living communities (7)(8) |  | 77 |  |  | 10,084 |  |  |  |  | 1,914,846 |  |  | 22.0 | % |  | $ | 189,890 |  |  | 108,906 |  |  | 41.7 | % |  | 21,238 |  |  | 15.0 | %
Subtotal senior living communities |  | 301 |  |  | 33,290 |  |  |  |  | 4,656,641 |  |  | 53.6 | % |  | $ | 139,881 |  |  | 152,862 |  |  | 58.5 | % |  | 65,194 |  |  | 46.2 | %
Wellness centers |  | 10 |  |  | 812,000 |  |  | sq. ft. |  | 178,110 |  |  | 2.1 | % |  | $ | 219 |  |  | 4,675 |  |  | 1.8 | % |  | 4,675 |  |  | 3.3 | %
Total |  | 456 |  |  |  |  |  |  | $ | 8,678,919 |  |  | 100.0 | % |  |  |  | $ | 261,331 |  |  | 100.0 | % |  | $ | 141,232 |  |  | 100.0 | %

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Tenant / Managed Property Operating Statistics(9)

|  | Rent Coverage |  | Occupancy
|  | 2019 |  | 2018 |  | 2019 |  | 2018
MOBs (5) |  | N/A |  |  | N/A |  |  | 92.5 | % |  | 95.7 | %
Five Star (10) |  | 1.55 | x |  | 1.13 | x |  | 83.0 | % |  | 82.1 | %
Brookdale |  | 2.00 | x |  | 2.23 | x |  | 83.9 | % |  | 84.4 | %
9 private senior living companies (combined) |  | 1.25 | x |  | 1.27 | x |  | 85.0 | % |  | 87.5 | %
Subtotal triple net leased senior living communities |  | 1.52 | x |  | 1.19 | x |  | 83.3 | % |  | 82.9 | %
Managed senior living communities (8) |  | N/A |  |  | N/A |  |  | 86.2 | % |  | 85.8 | %
Subtotal senior living communities |  | 1.52 | x |  | 1.19 | x |  | 84.2 | % |  | 83.7 | %
Wellness centers |  | 1.93 | x |  | 1.87 | x |  | 100.0 | % |  | 100.0 | %
Total |  | 1.56 | x |  | 1.23 | x |  |  |  |  |

(1) | Represents gross book value of real estate assets before depreciation and purchase price allocations, less impairment write downs, if any. Amounts exclude investment carrying value of 22 properties classified as held for sale as of June 30, 2019, which amounts are included in other assets, net in our condensed consolidated balance sheets.

(2) | Represents carrying value of investment divided by number of rentable square feet or living units, as applicable, at June 30, 2019.

(3) | Excludes $672 of revenues and $578 of NOI from properties sold during the three months ended June 30, 2019.

(4) | NOI is defined and calculated by reportable segment. Our definition of NOI and our reconciliation of net income (loss) to NOI are included below under the heading “Non-GAAP Financial Measures.”

(5) | Our MOB leases include some triple net leases where, in addition to paying fixed rents, the tenants assume the obligation to operate and maintain the properties at their expense, and some net and modified gross leases where we are responsible for the operation and maintenance of the properties and we charge tenants for some or all of the property operating costs. A small percentage of our MOB leases are "full-service" leases where we receive fixed rent from our tenants and no reimbursement for our property operating costs.

(6) | Senior living communities are categorized by the type of living units which constitute a majority of the living units at the community.

(7) | See Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for information on our restructuring arrangements with Five Star pursuant to the Transaction Agreement.

(8) | These senior living communities are managed by Five Star for our account and include properties leased to our TRSs. Occupancy for the 12 month period ended or, if shorter, from the date of acquisition through June 30, 2019 was 86.0%.

(9) | Operating data for MOBs is presented as of June 30, 2019 and 2018 and include (i) space being fitted out for occupancy and (ii) space which is leased but is not occupied or is being offered for sublease by tenants; operating data for other properties, tenants and managers are presented based upon the operating results provided by our tenants and manager for the 12 months ended March 31, 2019 and 2018, or the most recent prior period for which tenant operating results are made available to us. Rent coverage is calculated using the operating cash flows from our tenants’ facility operations of our properties, before subordinated charges, if any, divided by rents payable to us. We have not independently verified tenant operating data. Excludes data for periods prior to our ownership of certain properties, as well as data for properties sold or classified as held for sale during the periods presented.

(10) | Rent coverage for the twelve months ended March 31, 2019 is calculated based on the $132,000 of annualized rental income, adjusted for properties sold or classified as held for sale, payable to us by Five Star in accordance with the Transaction Agreement.

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There have been no material changes to trends affecting the MOB and senior living industry from those we previously disclosed in our Annual Report.
During the three months ended June 30, 2019, we entered into MOB lease renewals for 281,176 leasable square feet and new leases for 30,716 leasable square feet. The weighted average annual rental rate for leases entered during the quarter was $43.32 per square foot, which was 6.2% higher than the previous weighted average annual rental rate for the same space. Weighted (by annualized rental income) average lease term for leases entered during the second quarter of 2019 was 15.3 years. Commitments for tenant improvements, leasing commission costs and concessions for leases we entered during the second quarter of 2019 totaled $2.4 million, or $7.66 per square foot on average (approximately $0.50 per square foot per year of the lease term).
Lease Expiration Schedules
The following tables set forth information regarding our MOB lease expirations as of June 30, 2019 (dollars in thousands):

Year |  | Annualized Rental Income(1) |  | Percent of Total Annualized Rental Income Expiring |  | Cumulative Percentage of Annualized Rental Income Expiring
2019 (2) |  | $ | 22,930 |  |  | 5.8 | % |  | 5.8 | %
2020 |  | 34,193 |  |  | 8.6 | % |  | 14.4 | %
2021 |  | 28,778 |  |  | 7.3 | % |  | 21.7 | %
2022 |  | 35,485 |  |  | 9.0 | % |  | 30.7 | %
2023 |  | 21,193 |  |  | 5.4 | % |  | 36.1 | %
2024 |  | 48,686 |  |  | 12.3 | % |  | 48.4 | %
2025 |  | 19,128 |  |  | 4.8 | % |  | 53.2 | %
2026 |  | 26,180 |  |  | 6.6 | % |  | 59.8 | %
2027 |  | 10,354 |  |  | 2.6 | % |  | 62.4 | %
2028 and thereafter |  | 148,535 |  |  | 37.6 | % |  | 100.0 | %
Total |  | $ | 395,462 |  |  | 100.0 | % |  |

Average remaining lease term for our MOBs (weighted by annualized rental income): 6.4 years.

(1) | Annualized rental income is based on rents pursuant to existing leases as of June 30, 2019, including straight line rent adjustments, estimated recurring expense reimbursements for certain net and modified gross leases and excluding lease value amortization at certain of our MOBs. Annualized rental income also includes 100% of rental income as reported under GAAP from a property owned in a joint venture arrangement in which we own a 55% equity interest.

(2) | Includes one MOB tenant with an aggregate annualized rental income of $10,195 that vacated in July 2019.

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Year |  | Number of Tenants |  | Percent of Total Number of Tenancies Expiring |  | Cumulative Percentage of Number of Tenancies Expiring
2019 (1) |  | 86 |  |  | 12.8 | % |  | 12.8 | %
2020 |  | 106 |  |  | 15.7 | % |  | 28.5 | %
2021 |  | 96 |  |  | 14.2 | % |  | 42.7 | %
2022 |  | 103 |  |  | 15.3 | % |  | 58.0 | %
2023 |  | 58 |  |  | 8.6 | % |  | 66.6 | %
2024 |  | 72 |  |  | 10.7 | % |  | 77.3 | %
2025 |  | 43 |  |  | 6.4 | % |  | 83.7 | %
2026 |  | 34 |  |  | 5.0 | % |  | 88.7 | %
2027 |  | 23 |  |  | 3.4 | % |  | 92.1 | %
2028 and thereafter |  | 53 |  |  | 7.9 | % |  | 100.0 | %
Total |  | 674 |  |  | 100.0 | % |  |

(1) | Includes one MOB tenant that vacated in July 2019.

Year |  | Square Feet (1) |  | Percent of Total Square Feet Expiring |  | Cumulative Percent of Total Square Feet Expiring
2019 (2) |  | 490,547 |  |  | 4.3 | % |  | 4.3 | %
2020 |  | 1,435,303 |  |  | 12.5 | % |  | 16.8 | %
2021 |  | 872,550 |  |  | 7.6 | % |  | 24.4 | %
2022 |  | 1,268,180 |  |  | 11.1 | % |  | 35.5 | %
2023 |  | 1,057,239 |  |  | 9.2 | % |  | 44.7 | %
2024 |  | 1,761,862 |  |  | 15.4 | % |  | 60.1 | %
2025 |  | 800,948 |  |  | 7.0 | % |  | 67.1 | %
2026 |  | 899,800 |  |  | 7.9 | % |  | 75.0 | %
2027 |  | 412,573 |  |  | 3.6 | % |  | 78.6 | %
2028 and thereafter | 2,445,439 |  |  | 21.4 | % |  | 100.0 | %
Total |  | 11,444,441 |  |  | 100.0 | % |  |

(1) | Includes 100% of square feet from a property owned in a joint venture arrangement in which we own a 55% equity interest.

(2) | Includes one MOB tenant that vacated 164,091 of aggregate square feet in July 2019.

Lease expiration data for our triple net leased senior living communities and wellness centers has not been provided because, except for (i) the expected change in the lease expiration data under our five master leases with Five Star from various dates to January 1, 2020, (ii) the April 2019 transfer of the operations of one senior living community previously leased to a private operator to Five Star under our TRS structure, and (iii) the renewal of a lease for one of our SNFs to a private operator for a 10 year term, which expires in June 2029, there were no changes to our lease expiration schedules for our triple net leased senior living communities and wellness centers from those reported in our Annual Report.
In April 2019, Five Star began managing for our account a senior living community we own located in Oregon with 318 living units, pursuant to a management agreement with Five Star on terms substantially similar to those of existing management agreements between us and Five Star, after the previous tenant defaulted on its lease with us.
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RESULTS OF OPERATIONS (dollars and square feet in thousands, unless otherwise noted)
We have four operating segments, of which three are separate reporting segments. We aggregate our MOBs, triple net leased senior living communities and our managed senior living communities into three reporting segments, based on their similar operating and economic characteristics. The first reporting segment includes MOBs where the tenants pay us rent for space in medical offices, life science laboratories and other medical related facilities. The second reporting segment includes triple net leased senior living communities that provide short term and long term residential care and other services for residents and from which we receive rents from the operators. The third reporting segment includes managed senior living communities that provide short term and long term residential care and other services for residents where we pay fees to the operator to manage the communities for our account. The fourth segment includes all of our other operations, including certain properties that offer wellness, fitness and spa services to members and with respect to which we receive rents from operators, which we do not consider to be sufficiently material to constitute a separate reporting segment.
The following table summarizes the results of operations of each of our segments for the three and six months ended June 30, 2019 and 2018:

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Revenues: |  |  |  |  |  |  |  |  |  |
MOBs |  | $ | 104,385 |  |  | $ | 103,854 |  |  | $ | 207,606 |  |  | $ | 205,005 |
Triple net leased senior living communities |  | 44,037 |  |  | 66,113 |  |  | 94,357 |  |  | 134,088 |
Managed senior living communities |  | 108,906 |  |  | 102,617 |  |  | 216,951 |  |  | 204,659 |
All other operations |  | 4,675 |  |  | 4,618 |  |  | 9,375 |  |  | 9,220 |
Total revenues |  | $ | 262,003 |  |  | $ | 277,202 |  |  | $ | 528,289 |  |  | $ | 552,972 |
Net income (loss) attributable to common shareholders: |  |  |  |  |  |  |  |
MOBs |  | $ | 31,951 |  |  | $ | 28,831 |  |  | $ | 59,320 |  |  | $ | 57,367 |
Triple net leased senior living communities |  | 35,500 |  |  | 125,576 |  |  | 59,954 |  |  | 353,939 |
Managed senior living communities |  | 4,008 |  |  | 7,647 |  |  | 10,428 |  |  | 16,261 |
All other operations |  | (108,688 | ) |  | (38,467 | ) |  | (136,849 | ) |  | (67,958 | )
Net (loss) income attributable to common shareholders |  | $ | (37,229 | ) |  | $ | 123,587 |  |  | $ | (7,147 | ) |  | $ | 359,609 |

The following sections analyze and discuss the results of operations of each of our segments for the periods presented.
Three Months Ended June 30, 2019 Compared to Three Months Ended June 30, 2018 (dollars in thousands, except average monthly rate):
Unless otherwise indicated, references in this section to changes or comparisons of results, income or expenses refer to comparisons of the results for the three months ended June 30, 2019 to the three months ended June 30, 2018.
MOBs:

|  | All Properties |  | Comparable Properties (1)
|  | As of June 30, |  | As of June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total buildings |  | 145 |  |  | 155 |  |  | 140 |  |  | 140 |
Total square feet (2) |  | 12,372 |  |  | 12,600 |  |  | 12,178 |  |  | 12,162 |
Occupancy (3) |  | 92.5 | % |  | 95.7 | % |  | 94.0 | % |  | 95.9 | %

(1) | Consists of MOBs we have owned continuously since April 1, 2018, including our MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest; excludes properties classified as held for sale.

(2) | Prior periods exclude space re-measurements made subsequent to those periods.

(3) | MOB occupancy includes (i) space being fitted out for occupancy and (ii) space which is leased but is not occupied or is being offered for sublease by tenants.

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MOBs, all properties:

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 104,385 |  |  | $ | 103,854 |  |  | $ | 531 |  |  | 0.5 | %
Property operating expenses |  | (32,525 | ) |  | (31,183 | ) |  | 1,342 |  |  | 4.3 | %
Net operating income (NOI) |  | 71,860 |  |  | 72,671 |  |  | (811 | ) |  | (1.1 | )%
Depreciation and amortization |  | (35,037 | ) |  | (36,326 | ) |  | (1,289 | ) |  | (3.5 | )%
Impairment of assets |  | (96 | ) |  | — |  |  | 96 |  |  | 100.0 | %
Gain on sale of properties |  | 2,625 |  |  | — |  |  | 2,625 |  |  | 100.0 | %
Interest expense |  | (5,988 | ) |  | (6,113 | ) |  | (125 | ) |  | (2.0 | )%
Net income |  | 33,364 |  |  | 30,232 |  |  | 3,132 |  |  | 10.4 | %
Net income attributable to noncontrolling interest |  | (1,413 | ) |  | (1,401 | ) |  | 12 |  |  | 0.9 | %
Net income attributable to common shareholders |  | $ | 31,951 |  |  | $ | 28,831 |  |  | $ | 3,120 |  |  | 10.8 | %

Rental income. Rental income increased due to certain changes at our comparable MOB properties discussed below, partially offset by a reduction in rents from MOBs we disposed since April 1, 2018 or classified as held for sale at June 30, 2019. Rental income includes non-cash straight line rent adjustments totaling $302 and $2,338 and net amortization of above and below market lease adjustments of approximately $1,499 and $1,361 for the three months ended June 30, 2019 and 2018, respectively.
Property operating expenses. Property operating expenses consist of real estate taxes, utility expenses, property management fees, repairs and maintenance expense, cleaning expense and other direct costs of operating these properties. Property operating expenses increased primarily due to certain changes at our comparable MOB properties discussed below.
Net operating income. The decrease in NOI reflects the net changes in rental income and property operating expenses described above. The reconciliation of NOI to net income for our MOB segment is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense decreased primarily due to sale of 10 MOBs since April 1, 2018 and five MOBs held for sale as of June 30, 2019, partially offset by an increase in depreciation expense on capital expenditures incurred since April 1, 2018.
Impairment of assets. During the three months ended June 30, 2019, we recorded asset impairment charges of $96 related to our sale of three MOBs.
Gain on sale of properties. Gain on sale of properties is the result of our sale of five MOBs during the three months ended June 30, 2019.
Interest expense. Interest expense relates to mortgage debts secured by certain of these properties. Interest expense decreased as a result of the regularly scheduled amortization of mortgage debts secured by these properties.
Net income attributable to noncontrolling interest. Net income attributable to noncontrolling interest represents the net income attributable to a sovereign investor that owns a 45% equity interest in one of our MOBs (two buildings) through our joint venture arrangement.
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MOBs, comparable properties (MOBs we have owned continuously since April 1, 2018, including our MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest; excludes properties classified as held for sale):

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 103,110 |  |  | $ | 101,370 |  |  | $ | 1,740 |  |  | 1.7 | %
Property operating expenses |  | (32,354 | ) |  | (30,881 | ) |  | 1,473 |  |  | 4.8 | %
Net operating income (NOI) |  | 70,756 |  |  | 70,489 |  |  | 267 |  |  | 0.4 | %
Depreciation and amortization |  | (34,694 | ) |  | (35,249 | ) |  | (555 | ) |  | (1.6 | )%
Interest expense |  | (6,085 | ) |  | (6,113 | ) |  | (28 | ) |  | (0.5 | )%
Net income |  | 29,977 |  |  | 29,127 |  |  | 850 |  |  | 2.9 | %
Net income attributable to noncontrolling interest |  | (1,413 | ) |  | (1,401 | ) |  | 12 |  |  | 0.9 | %
Net income attributable to common shareholders |  | $ | 28,564 |  |  | $ | 27,726 |  |  | $ | 838 |  |  | 3.0 | %

Rental income. Rental income increased primarily due to a payment from one of our tenants in connection with the termination of its expiring lease and an increase in tax escalation income and other reimbursable expenses at certain of our comparable properties, partially offset by reduced occupancy. Rental income includes non-cash straight line rent adjustments totaling $436 and $2,583 and net amortization of above and below market lease adjustments of approximately $1,501 and $1,368 for the three months ended June 30, 2019 and 2018, respectively.
Property operating expenses. Property operating expenses consist of real estate taxes, utility expenses, property management fees, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other direct costs of operating these properties. Property operating expenses increased primarily due to increases in salaries and benefit costs, real estate taxes and other direct costs of operating these properties.
Net operating income. The increase in NOI reflects the net changes in rental income and property operating expenses described above. The reconciliation of NOI to net income for our MOB segment for comparable properties is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense decreased primarily due to a reduction in amortization of acquired in place real estate leases that we amortize over the respective lease terms, partially offset by an increase in depreciation expense on capital expenditures incurred since April 1, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these properties. Interest expense decreased as a result of the regularly scheduled amortization of mortgage debts secured by these properties.
Net income attributable to noncontrolling interest. Net income attributable to noncontrolling interest represents the net income attributable to a sovereign investor that owns a 45% equity interest in of one of our MOBs (two buildings) through our joint venture arrangement.
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Triple net leased senior living communities:

|  | All Properties |  | Comparable Properties (1)
|  | As of and For the Three Months |  | As of and For the Three Months
|  | Ended June 30, |  | Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total properties |  | 224 |  |  | 229 |  |  | 207 |  |  | 207 |
# of units |  | 23,206 |  |  | 24,318 |  |  | 21,933 |  |  | 21,933 |
Tenant operating data (2) |  |  |  |  |  |  |  |
Occupancy |  | 83.3 | % |  | 82.9 | % |  | 83.3 | % |  | 82.9 | %
Rent coverage |  | 1.52 | x |  | 1.19 | x |  | 1.52 | x |  | 1.19 | x

(1) | Consists of triple net leased senior living communities we have owned and which have been leased to the same operator continuously since April 1, 2018; excludes communities classified as held for sale, if any.

(2) | All tenant operating data presented is based upon the operating results provided by our tenants for the 12 months ended March 31, 2019 and 2018 or the most recent prior period for which tenant operating results are available to us. Rent coverage is calculated using the operating cash flows from our triple net lease tenants’ operations of our properties, before subordinated charges, if any, divided by triple net lease minimum rents payable to us. We have not independently verified tenant operating data. Excludes data for historical periods prior to our ownership of certain properties, as well as data for properties sold or classified as held for sale during the periods presented.

Triple net leased senior living communities, all properties:

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental Income |  | $ | 44,037 |  |  | $ | 66,113 |  |  | $ | (22,076 | ) |  | (33.4 | )%
Net operating income (NOI) |  | 44,037 |  |  | 66,113 |  |  | (22,076 | ) |  | (33.4 | )%
Depreciation and amortization |  | (21,457 | ) |  | (20,186 | ) |  | 1,271 |  |  | 6.3 | %
Impairment of assets |  | (2,117 | ) |  | (548 | ) |  | 1,569 |  |  | 286.3 | %
Gain on sale of properties |  | 15,207 |  |  | 80,762 |  |  | (65,555 | ) |  | (81.2 | )%
Interest expense |  | (170 | ) |  | (565 | ) |  | (395 | ) |  | (69.9 | )%
Net income |  | $ | 35,500 |  |  | $ | 125,576 |  |  | $ | (90,076 | ) |  | (71.7 | )%

Except as noted below under “Rental income,” we have not included a discussion and analysis of the results of our comparable properties data for the triple net leased senior living communities segment as we believe that such a comparison is generally consistent with the comparison of results for all our triple net leased senior living communities from quarter to quarter and a separate, comparable properties comparison is not meaningful.
Rental income. Rental income decreased primarily due to the $19,391 reduction in the aggregate amount of rent payable by Five Star to us during the three months ended June 30, 2019 pursuant to the Transaction Agreement. See Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for information on our restructuring arrangements with Five Star pursuant to the Transaction Agreement. Rental income also decreased due to our sale of six senior living communities and the transfer of three senior living communities to our managed communities segment since April 1, 2018. These decreases were partially offset by increased rents resulting from our purchase of capital improvements at certain of our senior living communities since April 1, 2018. Rental income includes non-cash straight line rent adjustments totaling $241 and $555 for the three months ended June 30, 2019 and 2018, respectively. Rental income decreased on a comparable property basis primarily due to the reduction in the aggregate amount of rent paid by Five Star to us during the three months ended June 30, 2019 pursuant to the Transaction Agreement, as described above, partially offset by percentage rent recognized from Five Star.
Net operating income. We typically incur minimal property operating expenses at these communities, as the majority of those expenses are paid by our tenants. NOI decreased due to the decrease in rental income described above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
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Depreciation and amortization expense. Depreciation and amortization expense increased primarily as a result our purchase of improvements since April 1, 2018, partially offset by our sale of six senior living communities and the transfer of three senior living communities to our managed communities segment since April 1, 2018.
Impairment of assets. During the three months ended June 30, 2019, we recorded asset impairment charges of $2,117 to reduce the carrying value of 15 SNFs located in Kansas, Iowa and Nebraska to their estimated fair value. These SNFs are classified as held for sale at June 30, 2019. During the three months ended June 30, 2018, we recorded an impairment charge of $548 to write off an acquired lease intangible asset associated with a lease default at one of our senior living communities, which was leased to a third party private operator and was transferred to one of our TRSs in June 2018. The impairment charge represents the unrecoverable acquired in place lease intangible asset after deducting settlement proceeds.
Gain on sale of properties. Gain on sale of properties is the result of our sale of three SNFs during the three months ended June 30, 2019 and three senior living communities during the three months ended June 30, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $40,916 in aggregate principal amount of mortgage debts since April 1, 2018, as well as regularly scheduled amortization of mortgage debts secured by these communities.
Managed senior living communities:

|  | All Properties |  | Comparable Properties (1)
|  | As of and For the Three Months |  | As of and For the Three Months
|  | Ended June 30, |  | Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total properties |  | 77 |  |  | 75 |  |  | 72 |  |  | 72 |
# of units |  | 10,084 |  |  | 9,510 |  |  | 9,274 |  |  | 9,274 |
Occupancy |  | 85.4 | % |  | 86.1 | % |  | 85.7 | % |  | 86.1 | %
Average monthly rate (2) |  | $ | 4,171 |  |  | $ | 4,244 |  |  | $ | 4,246 |  |  | $ | 4,243 |

(1) | Consists of managed senior living communities we have owned and which have been managed by the same operator for our account continuously since April 1, 2018; excludes communities classified as held for sale, if any.

(2) | Average monthly rate is calculated by taking the average daily rate, which is defined as total residents fees and services divided by occupied units during the period, and multiplying it by 30 days.

Managed senior living communities, all properties:

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Residents fees and services |  | $ | 108,906 |  |  | $ | 102,617 |  |  | $ | 6,289 |  |  | 6.1 | %
Property operating expenses |  | (87,668 | ) |  | (78,873 | ) |  | 8,795 |  |  | 11.2 | %
Net operating income (NOI) |  | 21,238 |  |  | 23,744 |  |  | (2,506 | ) |  | (10.6 | )%
Depreciation and amortization |  | (16,483 | ) |  | (14,841 | ) |  | 1,642 |  |  | 11.1 | %
Interest expense |  | (730 | ) |  | (1,256 | ) |  | (526 | ) |  | (41.9 | )%
Loss on early extinguishment of debt |  | (17 | ) |  | — |  |  | 17 |  |  | 100.0 | %
Net income |  | $ | 4,008 |  |  | $ | 7,647 |  |  | $ | (3,639 | ) |  | (47.6 | )%

Residents fees and services. Residents fees and services are the revenues earned at our managed senior living communities. We recognize these revenues as services are provided and related fees are accrued. Residents fees and services increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since April 1, 2018, partially offset by decreases in occupancy and average monthly rates for the three months ended June 30, 2019 compared to the three months ended June 30, 2018.
Property operating expenses. Property operating expenses consist of management fees, real estate taxes, utility expenses, insurance, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other
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direct costs of operating these communities. Property operating expenses increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since April 1, 2018 and increased costs associated with staffing.
Net operating income. The decrease in NOI reflects the net changes in residents fees and services and property operating expenses described above. The reconciliation of NOI to net income for our managed senior living communities segment is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense includes the depreciation of owned property and equipment as well as the amortization expense related to in place resident agreements assumed upon the acquisition of a community. Depreciation and amortization expense increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities and purchase of improvements since April 1, 2018, partially offset by a decrease in depreciation and amortization expense as a result of certain of our acquired in place resident agreements becoming fully amortized since April 1, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $98,222 in aggregate principal amount of mortgage debts since April 1, 2018, as well as the regularly scheduled amortization of mortgage debts secured by these communities, partially offset by our assumption of a $16,588 mortgage note in connection with our acquisition of two senior living communities in June 2018.
Loss on early extinguishment of debt. We recognized a loss on early extinguishment of debt in connection with our prepayment of $42,211 of mortgage notes in May 2019.
Managed senior living communities, comparable properties (managed senior living communities owned and managed by the same operator for our account continuously since April 1, 2018; excludes communities classified as held for sale, if any):

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Residents fees and services |  | $ | 102,305 |  |  | $ | 102,599 |  |  | $ | (294 | ) |  | (0.3 | )%
Property operating expenses |  | (80,589 | ) |  | (78,809 | ) |  | 1,780 |  |  | 2.3 | %
Net operating income (NOI) |  | 21,716 |  |  | 23,790 |  |  | (2,074 | ) |  | (8.7 | )%
Depreciation and amortization |  | (14,814 | ) |  | (14,837 | ) |  | (23 | ) |  | (0.2 | )%
Interest expense |  | (518 | ) |  | (1,256 | ) |  | (738 | ) |  | (58.8 | )%
Loss on early extinguishment of debt |  | (17 | ) |  | — |  |  | 17 |  |  | 100.0 | %
Net income |  | $ | 6,367 |  |  | $ | 7,697 |  |  | $ | (1,330 | ) |  | (17.3 | )%

Residents fees and services. Residents fees and services are the revenues earned at our managed senior living communities. We recognize these revenues as services are provided and related fees are accrued. Residents fees and services decreased primarily due to decreases in occupancy for the three months ended June 30, 2019 compared to the three months ended June 30, 2018.
Property operating expenses. Property operating expenses consist of management fees, real estate taxes, utility expenses, insurance, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other direct costs of operating these communities. Property operating expenses increased primarily due to increased costs associated with staffing.
Net operating income. The decrease in NOI reflects the net changes in residents fees and services and property operating expenses described above. The reconciliation of NOI to net income for our managed senior living communities segment, comparable properties, is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense includes the depreciation of owned property and equipment as well as the amortization expense related to in place resident agreements assumed upon the acquisition of a community. Depreciation and amortization expense decreased due to certain of our acquired resident
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agreements becoming fully amortized since April 1, 2018, partially offset by an increase in depreciation expense due to our purchases of improvements since April 1, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $98,222 in aggregate principal amount of mortgage debts since April 1, 2018, as well as the regularly scheduled amortization of mortgage debts secured by these communities.
Loss on early extinguishment of debt. We recognized a loss on early extinguishment of debt in connection with our prepayment of $42,211 of mortgage notes in May 2019.
All other operations(1):

|  | Three Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 4,675 |  |  | $ | 4,618 |  |  | $ | 57 |  |  | 1.2 | %
Expenses: |  |  |  |  |  |  |  |
Depreciation and amortization |  | (947 | ) |  | (947 | ) |  | — |  |  | 0.0% |
General and administrative |  | (8,867 | ) |  | (29,078 | ) |  | (20,211 | ) |  | (69.5 | )%
Acquisition and certain other transaction related costs |  | (903 | ) |  | (67 | ) |  | 836 |  |  | 1,247.8 | %
Total expenses |  | (10,717 | ) |  | (30,092 | ) |  | (19,375 | ) |  | (64.4 | )%
Dividend income |  | 923 |  |  | 659 |  |  | 264 |  |  | 40.1 | %
Unrealized gains and losses on equity securities, net |  | (64,448 | ) |  | 23,265 |  |  | (87,713 | ) |  | (377.0 | )%
Interest and other income |  | 238 |  |  | 60 |  |  | 178 |  |  | 296.7 | %
Interest expense |  | (39,524 | ) |  | (36,879 | ) |  | 2,645 |  |  | 7.2 | %
Loss before income tax benefit (expense) and equity in earnings of an investee |  | (108,853 | ) |  | (38,369 | ) |  | 70,484 |  |  | 183.7 | %
Income tax benefit (expense) |  | 35 |  |  | (105 | ) |  | (140 | ) |  | (133.3 | )%
Equity in earnings of an investee |  | 130 |  |  | 7 |  |  | 123 |  |  | 1,757.1 | %
Net loss |  | $ | (108,688 | ) |  | $ | (38,467 | ) |  | $ | 70,221 |  |  | 182.5 | %

(1) | All other operations includes all of our other operations, including certain properties that offer wellness, fitness and spa services to members, which segment we do not consider to be sufficiently material to constitute a separate reporting segment, and any operating expenses that are not attributable to a specific reporting segment.

Rental income. Rental income includes non-cash straight line rent of approximately ($113) and $137 for the three months ended June 30, 2019 and 2018, respectively. Rental income also includes net amortization of approximately $56 and $55 of acquired real estate leases and obligations for the three months ended June 30, 2019 and 2018, respectively. Rental income increased as a result of an increase in the scheduled rent for certain of our wellness center properties.
Depreciation and amortization expense. Depreciation and amortization expense remained consistent as we had no acquisitions or capital expenditures in this segment since April 1, 2018. We depreciate our long lived wellness center assets on a straight line basis.
General and administrative expense. General and administrative expense consists of fees paid to RMR LLC under our business management agreement, legal and accounting fees, fees and expenses of our Trustees, equity compensation expense and other costs relating to our status as a publicly traded company. General and administrative expense decreased primarily due to a decrease in estimated incentive business management incentive fees as a result of no incentive fees being accrued for the three months ended June 30, 2019, compared to $17,610 of business management incentive fees that we recognized for the three months ended June 30, 2018. In addition, we recognized a decrease in business management fees expense as a result of lower trading prices for our common shares during the three months ended June 30, 2019 compared to the three months ended June 30, 2018.
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Acquisition and certain other transaction related costs. Acquisition and certain other transaction related costs include costs incurred in connection with the Transaction Agreement and other acquisition, disposition and operations transition activities that were expensed pursuant to GAAP.
Dividend income. Dividend income reflects cash dividends received from our investment in RMR Inc. The increase in dividend income is a result of an increase in dividends per share paid by RMR Inc. during the three months ended June 30, 2019 compared to the three months ended June 30, 2018. We sold our shares of RMR Inc. class A common stock in July 2019.
Unrealized gains and losses on equity securities, net. Unrealized gains and losses on equity securities, net, represents the net unrealized gains and losses to adjust our investments in RMR Inc. and Five Star to their fair value.
Interest and other income. The increase in interest and other income is primarily due to increased average investable cash on hand and restricted cash.
Interest expense. Interest expense increased primarily due to an increase in borrowings under our revolving credit facility and increases in LIBOR rates, resulting in an increase in interest expense with respect to our borrowings under our revolving credit facility and term loans.
Income tax benefit (expense). Income tax benefit (expense) is the result of operating income we earned in certain jurisdictions that is subject to state income taxes.
Equity in earnings of an investee. Equity in earnings of an investee represents our proportionate share of earnings from AIC.
Six Months Ended June 30, 2019 Compared to Six Months Ended June 30, 2018 (dollars in thousands, except average monthly rate):
Unless otherwise indicated, references in this section to changes or comparisons of results, income or expenses refer to comparisons of the results for the six months ended June 30, 2019 to the six months ended June 30, 2018.
MOBs:

|  | All Properties |  | Comparable Properties (1)
|  | As of June 30, |  | As of June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total buildings |  | 145 |  |  | 155 |  |  | 136 |  |  | 136 |
Total square feet (2) |  | 12,372 |  |  | 12,600 |  |  | 11,643 |  |  | 11,625 |
Occupancy (3) |  | 92.5 | % |  | 95.7 | % |  | 93.8 | % |  | 95.8 | %

(1) | Consists of MOBs we have owned continuously since January 1, 2018, including our MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest; excludes properties classified as held for sale.

(2) | Prior periods exclude space re-measurements made subsequent to those periods.

(3) | MOB occupancy includes (i) space being fitted out for occupancy and (ii) space which is leased but is not occupied or is being offered for sublease by tenants.

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MOBs, all properties:

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 207,606 |  |  | $ | 205,005 |  |  | $ | 2,601 |  |  | 1.3 | %
Property operating expenses |  | (64,702 | ) |  | (62,121 | ) |  | 2,581 |  |  | 4.2 | %
Net operating income (NOI) |  | 142,904 |  |  | 142,884 |  |  | 20 |  |  | 0.0% |
Depreciation and amortization |  | (71,138 | ) |  | (70,711 | ) |  | 427 |  |  | 0.6 | %
Impairment of assets |  | (96 | ) |  | — |  |  | 96 |  |  | 100.0 | %
Gain on sale of properties |  | 2,503 |  |  | — |  |  | 2,503 |  |  | 100.0 | %
Interest expense |  | (12,018 | ) |  | (12,022 | ) |  | (4 | ) |  | 0.0% |
Net income |  | 62,155 |  |  | 60,151 |  |  | 2,004 |  |  | 3.3 | %
Net income attributable to noncontrolling interest |  | (2,835 | ) |  | (2,784 | ) |  | 51 |  |  | 1.8 | %
Net income attributable to common shareholders |  | $ | 59,320 |  |  | $ | 57,367 |  |  | $ | 1,953 |  |  | 3.4 | %

Rental income. Rental income increased primarily due to rents from MOBs we acquired since January 1, 2018 and certain changes at our comparable MOB properties discussed below, partially offset by a reduction in rents from MOBs we disposed since January 1, 2018 or classified as held for sale at June 30, 2019. Rental income includes non-cash straight line rent adjustments totaling $2,108 and $4,574 and net amortization of above and below market lease adjustments of approximately $2,969 and $2,687 for the six months ended June 30, 2019 and 2018, respectively.
Property operating expenses. Property operating expenses consist of real estate taxes, utility expenses, property management fees, repairs and maintenance expense, cleaning expense and other direct costs of operating these properties. Property operating expenses increased primarily due to our acquisitions since January 1, 2018, as well as certain changes at our comparable MOB properties discussed below.
Net operating income. NOI reflects the net changes in rental income and property operating expenses described above. The reconciliation of NOI to net income for our MOB segment is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense increased primarily due to our acquisitions since January 1, 2018 and an increase in depreciation expense on capital expenditures incurred since January 1, 2018, partially offset by our sale of 10 MOBs since January 1, 2018 and five MOBs held for sale as of June 30, 2019.
Impairment of assets. During the six months ended June 30, 2019, we recorded asset impairment charges of $96 related to our sale of three MOBs.
Gain on sale of properties. Gain on sale of properties is the result of our sale of seven MOBs during the six months ended June 30, 2019.
Interest expense. Interest expense relates to mortgage debts secured by certain of these properties. Interest expense decreased due to the regularly scheduled amortization of mortgage debts secured by these properties, partially offset by our assumption of a $11,050 mortgage note in connection with our acquisition of a MOB in March 2018.
Net income attributable to noncontrolling interest. Net income attributable to noncontrolling interest represents the net income attributable to a sovereign investor that owns a 45% equity investment in one of our MOBs (two buildings) through our joint venture arrangement.
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MOBs, comparable properties (MOBs we have owned continuously since January 1, 2018, including our MOB (two buildings) owned in a joint venture arrangement in which we own a 55% equity interest; excludes properties classified as held for sale:

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 196,966 |  |  | $ | 193,890 |  |  | $ | 3,076 |  |  | 1.6 | %
Property operating expenses |  | (61,632 | ) |  | (59,144 | ) |  | 2,488 |  |  | 4.2 | %
Net operating income (NOI) |  | 135,334 |  |  | 134,746 |  |  | 588 |  |  | 0.4 | %
Depreciation and amortization |  | (65,353 | ) |  | (65,247 | ) |  | 106 |  |  | 0.2 | %
Interest expense |  | (11,873 | ) |  | (11,899 | ) |  | (26 | ) |  | (0.2 | )%
Net income |  | 58,108 |  |  | 57,600 |  |  | 508 |  |  | 0.9 | %
Net income attributable to noncontrolling interest |  | (2,835 | ) |  | (2,784 | ) |  | 51 |  |  | 1.8 | %
Net income attributable to common shareholders |  | $ | 55,273 |  |  | $ | 54,816 |  |  | $ | 457 |  |  | 0.8 | %

Rental income. Rental income increased primarily due to a payment from one of our tenants in connection with the termination of its expiring lease and an increase in tax escalation income and other reimbursable expenses at certain of our comparable MOB properties, partially offset by reduced occupancy. Rental income includes non-cash straight line rent adjustments totaling $2,252 and $4,738 and net amortization of above and below market lease adjustments of approximately $3,092 and $2,796 for the six months ended June 30, 2019 and 2018, respectively.
Property operating expenses. Property operating expenses consist of real estate taxes, utility expenses, property management fees, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other direct costs of operating these properties. Property operating expenses increased primarily due to increases in salaries and benefit costs, real estate taxes and other direct costs of operating these properties.
Net operating income. The increase in NOI reflects the net changes in rental income and property operating expenses described above. The reconciliation of NOI to net income for our MOB segment for comparable properties is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense increased primarily due to an increase in depreciation expense on capital expenditures incurred since January 1, 2018, partially offset by a reduction in amortization of acquired in place real estate leases that we amortize over the respective lease terms.
Interest expense. Interest expense relates to mortgage debts secured by certain of these properties. Interest expense decreased as a result of the regularly scheduled amortization of mortgage debts secured by these properties.
Net income attributable to noncontrolling interest. Net income attributable to noncontrolling interest represents the net income attributable to a sovereign investor that owns a 45% equity interest in one of our MOBs (two buildings) through our joint venture arrangement.
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Triple net leased senior living communities:

|  | All Properties |  | Comparable Properties (1)
|  | As of and For the Six Months Ended June 30, |  | As of and For the Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total properties |  | 224 |  |  | 229 |  |  | 207 |  |  | 207 |
# of units |  | 23,206 |  |  | 24,318 |  |  | 21,933 |  |  | 21,933 |
Tenant operating data (2) |  |  |  |  |  |  |  |
Occupancy |  | 83.3 | % |  | 82.9 | % |  | 83.3 | % |  | 82.9 | %
Rent coverage |  | 1.52 | x |  | 1.19 | x |  | 1.52 | x |  | 1.19 | x

(1) | Consists of triple net leased senior living communities we have owned and which have been leased to the same operator continuously since January 1, 2018; excludes communities classified as held for sale, if any.

(2) | All tenant operating data presented is based upon the operating results provided by our tenants for the 12 months ended March 31, 2019 and 2018 or the most recent prior period for which tenant operating results are available to us. Rent coverage is calculated using the operating cash flows from our triple net lease tenants’ operations of our properties, before subordinated charges, if any, divided by triple net lease minimum rents payable to us. We have not independently verified tenant operating data. Excludes data for historical periods prior to our ownership of certain properties, as well as data for properties sold or classified as held for sale during the periods presented.

Triple net leased senior living communities, all properties:

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental Income |  | $ | 94,357 |  |  | $ | 134,088 |  |  | $ | (39,731 | ) |  | (29.6 | )%
Net operating income (NOI) |  | 94,357 |  |  | 134,088 |  |  | (39,731 | ) |  | (29.6 | )%
Depreciation and amortization |  | (40,879 | ) |  | (40,381 | ) |  | 498 |  |  | 1.2 | %
Impairment of assets |  | (8,323 | ) |  | (548 | ) |  | 7,775 |  |  | 1,418.8 | %
Gain on sale of properties |  | 15,207 |  |  | 261,916 |  |  | (246,709 | ) |  | (94.2 | )%
Interest expense |  | (408 | ) |  | (1,136 | ) |  | (728 | ) |  | (64.1 | )%
Net income |  | $ | 59,954 |  |  | $ | 353,939 |  |  | $ | (293,985 | ) |  | (83.1 | )%

Except as noted below under “Rental income,” we have not included a discussion and analysis of the results of our comparable properties data for the triple net leased senior living communities segment as we believe that such a comparison is generally consistent with the comparison of results for all our triple net leased senior living communities from quarter to quarter and a separate, comparable properties comparison is not meaningful.
Rental income. Rental income decreased primarily due to the $32,319 reduction in the aggregate amount of rent payable by Five Star to us during the six months ended June 30, 2019 pursuant to the Transaction Agreement. See Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for information on our restructuring arrangements with Five Star pursuant to the Transaction Agreement. Rental income also decreased due to our sale of eight senior living communities and the transfer of three senior living communities to our managed communities segment since January 1, 2018. These decreases were partially offset by increased rents resulting from our purchase of capital improvements since January 1, 2018. Rental income includes non-cash straight line rent adjustments totaling $481 and $1,174 for the six months ended June 30, 2019 and 2018, respectively. Rental income decreased on a comparable property basis by $29,857, primarily due to the reduction in the aggregate amount of rent paid by Five Star to us during the three months ended June 30, 2019 pursuant to the Transaction Agreement, as described above, partially offset by percentage rent recognized from Five Star.
Net operating income. We typically incur minimal property operating expenses at these communities, as the majority of those expenses are paid by our tenants. NOI decreased due to the decrease in rental income as described above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
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Depreciation and amortization expense. Depreciation and amortization expense increased primarily as a result of our purchase of improvements since January 1, 2018, partially offset by our sale of eight senior living communities and the transfer of three senior living communities to our managed communities segment since January 1, 2018.
Impairment of assets. During the six months ended June 30, 2019, we recorded asset impairment charges of $8,323 to reduce the carrying value of 15 SNFs located in Kansas, Iowa and Nebraska to their estimated fair value. These SNFs are classified as held for sale at June 30, 2019. During the six months ended June 30, 2018, we recorded an impairment charge of $548 to write off an acquired lease intangible asset associated with a lease default at one of our senior living communities, which was leased to a third party private operator and was transferred to one of our TRSs in June 2018. The impairment charge represents the unrecoverable acquired in place lease intangible asset after deducting settlement proceeds.
Gain on sale of properties. Gain on sale of properties is the result of our sale of three SNFs during the six months ended June 30, 2019 and five senior living communities during the six months ended June 30, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $40,916 in aggregate principal amount of mortgage debts since January 1, 2018, as well as regularly scheduled amortization of mortgage debts secured by these communities.
Managed senior living communities:

|  | All Properties |  | Comparable Properties (1)
|  | As of and For the Six Months Ended June 30, |  | As of and For the Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total properties |  | 77 |  |  | 75 |  |  | 70 |  |  | 70 |
# of units |  | 10,084 |  |  | 9,510 |  |  | 9,059 |  |  | 9,059 |
Occupancy |  | 85.8 | % |  | 86.0 | % |  | 85.9 | % |  | 85.9 | %
Average monthly rate (2) |  | $ | 4,222 |  |  | $ | 4,276 |  |  | $ | 4,291 |  |  | $ | 4,279 |

(1) | Consists of managed senior living communities we have owned and which have been managed by the same operator for our account continuously since January 1, 2018; excludes communities classified as held for sale, if any.

(2) | Average monthly rate is calculated by taking the average daily rate, which is defined as total residents fees and services divided by occupied units during the period, and multiplying it by 30 days.

Managed senior living communities, all properties:

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Residents fees and services |  | $ | 216,951 |  |  | $ | 204,659 |  |  | $ | 12,292 |  |  | 6.0 | %
Property operating expenses |  | (172,713 | ) |  | (156,033 | ) |  | 16,680 |  |  | 10.7 | %
Net operating income (NOI) |  | 44,238 |  |  | 48,626 |  |  | (4,388 | ) |  | (9.0 | )%
Depreciation and amortization |  | (32,243 | ) |  | (29,652 | ) |  | 2,591 |  |  | 8.7 | %
Interest expense |  | (1,550 | ) |  | (2,583 | ) |  | (1,033 | ) |  | (40.0 | )%
Loss on early extinguishment of debt |  | (17 | ) |  | (130 | ) |  | (113 | ) |  | (86.9 | )%
Net income |  | $ | 10,428 |  |  | $ | 16,261 |  |  | $ | (5,833 | ) |  | (35.9 | )%

Residents fees and services. Residents fees and services are the revenues earned at our managed senior living communities. We recognize these revenues as services are provided and related fees are accrued. Residents fees and services increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since January 1, 2018, partially offset by decreases in occupancy and average monthly rates for the six months ended June 30, 2019 compared to the six months ended June 30, 2018.
Property operating expenses. Property operating expenses consist of management fees, real estate taxes, utility expenses, insurance, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other
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direct costs of operating these communities. Property operating expenses increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since January 1, 2018 and increased costs associated with staffing and room turnover and maintenance costs.
Net operating income. The decrease in NOI reflects the net changes in residents fees and services and property operating expenses described above. The reconciliation of NOI to net income for our managed senior living communities segment is shown in the table above. Our definition of NOI and our reconciliation of net income to NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense includes the depreciation of owned property and equipment as well as the amortization expense related to in place resident agreements assumed upon the acquisition of a community. Depreciation and amortization expense increased primarily due to our acquisitions and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities and purchase of improvements since January 1, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $102,552 in aggregate principal amount of mortgage debts since January 1, 2018, as well as the regularly scheduled amortization of mortgage debts secured by these communities, partially offset by our assumption of a $16,748 mortgage note in connection with our acquisition of a senior living community in February 2018 and our assumption of a $16,588 mortgage note in connection with our acquisition of two senior living communities in June 2018.
Loss on early extinguishment of debt. We recognized a loss on early extinguishment of debt in connection with our prepayment of mortgage debts during the six months ended June 30, 2019 and 2018.
Managed senior living communities, comparable properties (managed senior living communities owned and managed by the same operator for our account continuously since January 1, 2018; excludes communities classified as held for sale, if any):

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Residents fees and services |  | $ | 201,516 |  |  | $ | 200,561 |  |  | $ | 955 |  |  | 0.5 | %
Property operating expenses |  | (157,132 | ) |  | (153,078 | ) |  | 4,054 |  |  | 2.6 | %
Net operating income (NOI) |  | 44,384 |  |  | 47,483 |  |  | (3,099 | ) |  | (6.5 | )%
Depreciation and amortization |  | (26,963 | ) |  | (27,643 | ) |  | (680 | ) |  | (2.5 | )%
Interest expense |  | (695 | ) |  | (2,214 | ) |  | (1,519 | ) |  | (68.6 | )%
Loss on early extinguishment of debt |  | (17 | ) |  | (130 | ) |  | (113 | ) |  | (86.9 | )%
Net income |  | $ | 16,709 |  |  | $ | 17,496 |  |  | $ | (787 | ) |  | (4.5 | )%

Residents fees and services. Residents fees and services are the revenues earned at our managed senior living communities. We recognize these revenues as services are provided and related fees are accrued. Residents fees and services increased primarily due to an increase in average monthly rates for the six months ended June 30, 2019 compared to the six months ended June 30, 2018.
Property operating expenses. Property operating expenses consist of management fees, real estate taxes, utility expenses, insurance, salaries and benefit costs of property level personnel, repairs and maintenance expense, cleaning expense and other direct costs of operating these communities. Property operating expenses increased primarily due to increased costs associated with staffing and increased room turnover and maintenance costs.
Net operating income. The decrease in NOI reflects the net changes in residents fees and services and property operating expenses described above. The reconciliation of NOI to net income for our managed senior living communities segment, comparable properties, is shown in the table above. Our definition of NOI and our reconciliation of net income to consolidated NOI are included below under the heading “Non-GAAP Financial Measures.”
Depreciation and amortization expense. Depreciation and amortization expense includes the depreciation of owned property and equipment as well as the amortization expense related to in place resident agreements assumed upon the acquisition of a community. Depreciation and amortization expense decreased due to certain of our acquired resident
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agreements becoming fully amortized since January 1, 2018, partially offset by an increase in depreciation expense due to our purchases of improvements since January 1, 2018.
Interest expense. Interest expense relates to mortgage debts secured by certain of these communities. The decrease in interest expense is due to our prepayment of $102,552 in aggregate principal amount of mortgage debts since January 1, 2018, as well as the regularly scheduled amortization of mortgage debts secured by these communities.
Loss on early extinguishment of debt. We recognized a loss on early extinguishment of debt in connection with our prepayment of mortgage debts during the six months ended June 30, 2019 and 2018.
All other operations(1):

|  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | Change |  | % Change
Rental income |  | $ | 9,375 |  |  | $ | 9,220 |  |  | $ | 155 |  |  | 1.7 | %
Expenses: |  |  |  |  |  |  |  |
Depreciation and amortization |  | (1,894 | ) |  | (1,895 | ) |  | (1 | ) |  | (0.1 | )%
General and administrative |  | (18,683 | ) |  | (54,196 | ) |  | (35,513 | ) |  | (65.5 | )%
Acquisition and certain other transaction related costs |  | (8,717 | ) |  | (87 | ) |  | 8,630 |  |  | 9,919.5 | %
Total expenses |  | (29,294 | ) |  | (56,178 | ) |  | (26,884 | ) |  | (47.9 | )%
Dividend income |  | 1,846 |  |  | 1,318 |  |  | 528 |  |  | 40.1 | %
Unrealized gains and losses on equity securities, net |  | (41,516 | ) |  | 50,506 |  |  | (92,022 | ) |  | (182.2 | )%
Interest and other income |  | 352 |  |  | 114 |  |  | 238 |  |  | 208.8 | %
Interest expense |  | (78,047 | ) |  | (72,624 | ) |  | 5,423 |  |  | 7.5 | %
Loss before income tax expense and equity in earnings of an investee |  | (137,284 | ) |  | (67,644 | ) |  | 69,640 |  |  | 103.0 | %
Income tax expense |  | (99 | ) |  | (365 | ) |  | (266 | ) |  | (72.9 | )%
Equity in earnings of an investee |  | 534 |  |  | 51 |  |  | 483 |  |  | 947.1 | %
Net loss |  | $ | (136,849 | ) |  | $ | (67,958 | ) |  | $ | 68,891 |  |  | 101.4 | %

(1) | All other operations includes all of our other operations, including certain properties that offer wellness, fitness and spa services to members, which segment we do not consider to be sufficiently material to constitute a separate reporting segment, and any operating expenses that are not attributable to a specific reporting segment.

Rental income. Rental income includes non-cash straight line rent of approximately ($225) and $275 for the six months ended June 30, 2019 and 2018, respectively. Rental income also includes net amortization of approximately $111 and $110 of acquired real estate leases and obligations for the six months ended June 30, 2019 and 2018, respectively. Rental income increased as a result of an increase in the scheduled rent for certain of our wellness center properties.
Depreciation and amortization expense. Depreciation and amortization expense remained consistent as we had no acquisitions or capital expenditures in this segment since January 1, 2018. We depreciate our long lived wellness center assets on a straight line basis.
General and administrative expense. General and administrative expense consists of fees paid to RMR LLC under our business management agreement, legal and accounting fees, fees and expenses of our Trustees, equity compensation expense and other costs relating to our status as a publicly traded company. General and administrative expense decreased primarily due to a decrease in estimated business management incentive fees as a result of no incentive fees being accrued for the six months ended June 30, 2019, compared to $31,957 of business management incentive fees that we recognized for the six months ended June 30, 2018. In addition, we recognized a decrease in business management fees expense as a result of lower trading prices for our common shares during the six months ended June 30, 2019 compared to the six months ended June 30, 2018.
Acquisition and certain other transaction related costs. Acquisition and certain other transaction related costs include costs incurred in connection with the Transaction Agreement and other acquisition, disposition and operations transition activities that were expensed pursuant to GAAP.
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Dividend income. Dividend income reflects cash dividends received from our investment in RMR Inc. The increase in dividend income is a result of an increase in dividends per share paid by RMR Inc. during the six months ended June 30, 2019 compared to the six months ended June 30, 2018. We sold our shares of RMR Inc. class A common stock in July 2019.
Unrealized gains and losses on equity securities, net. Unrealized gains and losses on equity securities, net, represents the net unrealized gains and losses to adjust our investments in RMR Inc. and Five Star to their fair value.
Interest and other income. The increase in interest and other income is primarily due to increased average investable cash on hand and restricted cash.
Interest expense. Interest expense increased primarily due to an increase in borrowings under our revolving credit facility, increases in LIBOR rates, resulting in an increase in interest expense with respect to our borrowings under our revolving credit facility and term loans, and our February 2018 issuance of $500,000 of 4.75% senior unsecured notes due 2028.
Income tax expense. Income tax expense is the result of operating income we earned in certain jurisdictions that is subject to state income taxes.
Equity in earnings of an investee. Equity in earnings of an investee represents our proportionate share of earnings from AIC.
Non-GAAP Financial Measures (dollars in thousands, except per share amounts)
We present certain "non-GAAP financial measures" within the meaning of applicable SEC rules, including funds from operations attributable to common shareholders, or FFO attributable to common shareholders, normalized funds from operations attributable to common shareholders, or Normalized FFO attributable to common shareholders, and NOI for the three and six months ended June 30, 2019 and 2018. These measures do not represent cash generated by operating activities in accordance with GAAP and should not be considered alternatives to net income (loss) or net income (loss) attributable to common shareholders as indicators of our operating performance or as measures of our liquidity. These measures should be considered in conjunction with net income (loss) and net income (loss) attributable to common shareholders as presented in our condensed consolidated statements of comprehensive income (loss). We consider these non-GAAP measures to be appropriate supplemental measures of operating performance for a REIT, along with net income (loss) and net income (loss) attributable to common shareholders. We believe these measures provide useful information to investors because by excluding the effects of certain historical amounts, such as depreciation and amortization, they may facilitate a comparison of our operating performance between periods and with other REITs and, in the case of NOI, reflecting only those income and expense items that are generated and incurred at the property level may help both investors and management to understand the operations at our properties.
Funds From Operations and Normalized Funds From Operations Attributable to Common Shareholders
We calculate FFO attributable to common shareholders and Normalized FFO attributable to common shareholders as shown below. FFO attributable to common shareholders is calculated on the basis defined by the National Association of Real Estate Investment Trusts, which is net income (loss) attributable to common shareholders, calculated in accordance with GAAP, excluding any gain or loss on sale of properties, loss on impairment of real estate assets and unrealized gains or losses on equity securities, net, if any, plus real estate depreciation and amortization and minus FFO attributable to noncontrolling interest, as well as certain other adjustments currently not applicable to us. In calculating Normalized FFO attributable to common shareholders, we adjust for the items shown below and include business management incentive fees, if any, only in the fourth quarter versus the quarter when they are recognized as expense in accordance with GAAP due to their quarterly volatility not necessarily being indicative of our core operating performance and the uncertainty as to whether any such business management incentive fees will be payable when all contingencies for determining such fees are known at the end of the calendar year. FFO attributable to common shareholders and Normalized FFO attributable to common shareholders are among the factors considered by our Board of Trustees when determining the amount of distributions to our shareholders. Other factors include, but are not limited to, requirements to maintain our qualification for taxation as a REIT, limitations in our revolving credit facility and term loan agreements and our public debt covenants, the availability to us of debt and equity capital, our expectation of our future capital requirements and operating performance, and our expected needs for and availability of cash to pay our obligations. O ther real estate companies and REITs may calculate FFO attributable to common shareholders and Normalized FFO attributable to common shareholders differently than we do.
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Our calculations of FFO attributable to common shareholders and Normalized FFO attributable to common shareholders for the three and six months ended June 30, 2019 and 2018 and reconciliations of net income (loss) attributable to common shareholders, the most directly comparable financial measure under GAAP reported in our condensed consolidated financial statements, to FFO attributable to common shareholders and Normalized FFO attributable to common shareholders appear in the following table. This table also provides a comparison of distributions to shareholders, FFO attributable to common shareholders and Normalized FFO attributable to common shareholders and net income (loss) attributable to common shareholders per share for these periods.

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Net (loss) income attributable to common shareholders |  | $ | (37,229 | ) |  | $ | 123,587 |  |  | $ | (7,147 | ) |  | $ | 359,609 |
Depreciation and amortization |  | 73,924 |  |  | 72,300 |  |  | 146,154 |  |  | 142,639 |
FFO attributable to noncontrolling interest |  | (5,297 | ) |  | (5,300 | ) |  | (10,594 | ) |  | (10,600 | )
Gain on sale of properties |  | (17,832 | ) |  | (80,762 | ) |  | (17,710 | ) |  | (261,916 | )
Impairment of assets |  | 2,213 |  |  | 548 |  |  | 8,419 |  |  | 548 |
Unrealized gains and losses on equity securities, net |  | 64,448 |  |  | (23,265 | ) |  | 41,516 |  |  | (50,506 | )
FFO attributable to common shareholders |  | 80,227 |  |  | 87,108 |  |  | 160,638 |  |  | 179,774 |
Estimated business management incentive fees (1) |  | — |  |  | 17,610 |  |  | — |  |  | 31,957 |
Acquisition and certain other transaction related costs |  | 903 |  |  | 67 |  |  | 8,717 |  |  | 87 |
Loss on early extinguishment of debt |  | 17 |  |  | — |  |  | 17 |  |  | 130 |
Normalized FFO attributable to common shareholders |  | $ | 81,147 |  |  | $ | 104,785 |  |  | $ | 169,372 |  |  | $ | 211,948 |
Weighted average common shares outstanding (basic) |  | 237,580 |  |  | 237,487 |  |  | 237,574 |  |  | 237,483 |
Weighted average common shares outstanding (diluted) |  | 237,580 |  |  | 237,529 |  |  | 237,574 |  |  | 237,506 |
Per common share data (basic and diluted): |  |  |  |  |  |  |  |
Net (loss) income attributable to common shareholders |  | $ | (0.16 | ) |  | $ | 0.52 |  |  | $ | (0.03 | ) |  | $ | 1.51 |
FFO attributable to common shareholders |  | $ | 0.34 |  |  | $ | 0.37 |  |  | $ | 0.68 |  |  | $ | 0.76 |
Normalized FFO attributable to common shareholders |  | $ | 0.34 |  |  | $ | 0.44 |  |  | $ | 0.71 |  |  | $ | 0.89 |
Distributions declared |  | $ | 0.15 |  |  | $ | 0.39 |  |  | $ | 0.54 |  |  | $ | 0.78 |

(1) | Incentive fees under our business management agreement are payable after the end of each calendar year, are calculated based on common share total return, as defined, and are included in general and administrative expense in our condensed consolidated statements of comprehensive income (loss). In calculating net income (loss) attributable to common shareholders in accordance with GAAP, we recognize estimated business management incentive fee expense, if any, in the first, second and third quarters. Although we recognize this expense, if any, in the first, second and third quarters for purposes of calculating net income (loss) attributable to common shareholders, we do not include these amounts in the calculation of Normalized FFO attributable to common shareholders until the fourth quarter, when the amount of the business management incentive fee expense for the calendar year, if any, is determined.

Property Net Operating Income (NOI)
We calculate NOI as shown below. The calculation of NOI excludes certain components of net income (loss) in order to provide results that are more closely related to our property level results of operations. We define NOI as income from our real estate less our property operating expenses. NOI excludes amortization of capitalized tenant improvement costs and leasing commissions that we record as depreciation and amortization. We use NOI to evaluate individual and company wide property level performance. Other real estate companies and REITs may calculate NOI differently than we do.
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The calculation of NOI by reportable segment is included above in this Item 2. The following table includes the reconciliation of net income (loss) to NOI for the three and six months ended June 30, 2019 and 2018, respectively.

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Reconciliation of Net (Loss) Income to NOI: |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | $ | (35,816 | ) |  | $ | 124,988 |  |  | $ | (4,312 | ) |  | $ | 362,393 |
Equity in earnings of an investee |  | (130 | ) |  | (7 | ) |  | (534 | ) |  | (51 | )
Income tax (benefit) expense |  | (35 | ) |  | 105 |  |  | 99 |  |  | 365 |
(Loss) income from continuing operations before income tax benefit (expense) and equity in earnings of an investee |  | (35,981 | ) |  | 125,086 |  |  | (4,747 | ) |  | 362,707 |
Loss on early extinguishment of debt |  | 17 |  |  | — |  |  | 17 |  |  | 130 |
Interest expense |  | 46,412 |  |  | 44,813 |  |  | 92,023 |  |  | 88,365 |
Interest and other income |  | (238 | ) |  | (60 | ) |  | (352 | ) |  | (114 | )
Unrealized gains and losses on equity securities, net |  | 64,448 |  |  | (23,265 | ) |  | 41,516 |  |  | (50,506 | )
Dividend income |  | (923 | ) |  | (659 | ) |  | (1,846 | ) |  | (1,318 | )
Gain on sale of properties |  | (17,832 | ) |  | (80,762 | ) |  | (17,710 | ) |  | (261,916 | )
Impairment of assets |  | 2,213 |  |  | 548 |  |  | 8,419 |  |  | 548 |
Acquisition and certain other transaction related costs |  | 903 |  |  | 67 |  |  | 8,717 |  |  | 87 |
General and administrative |  | 8,867 |  |  | 29,078 |  |  | 18,683 |  |  | 54,196 |
Depreciation and amortization |  | 73,924 |  |  | 72,300 |  |  | 146,154 |  |  | 142,639 |
Property NOI |  | $ | 141,810 |  |  | $ | 167,146 |  |  | $ | 290,874 |  |  | $ | 334,818 |
MOB NOI |  | $ | 71,860 |  |  | $ | 72,671 |  |  | $ | 142,904 |  |  | $ | 142,884 |
Triple net leased communities NOI |  | 44,037 |  |  | 66,113 |  |  | 94,357 |  |  | 134,088 |
Managed communities NOI |  | 21,238 |  |  | 23,744 |  |  | 44,238 |  |  | 48,626 |
All other operations NOI |  | 4,675 |  |  | 4,618 |  |  | 9,375 |  |  | 9,220 |
Total NOI |  | $ | 141,810 |  |  | $ | 167,146 |  |  | $ | 290,874 |  |  | $ | 334,818 |

LIQUIDITY AND CAPITAL RESOURCES
Our principal sources of funds to meet operating and capital expenses, pay debt service obligations and make distributions to our shareholders are the operating cash flows we generate as rental income from our leased properties, residents fees and services revenues from our managed communities and borrowings under our revolving credit facility. To reduce leverage, we have sold assets and have identified additional properties to sell aggregating approximately $900 million, focusing primarily on selling underperforming senior living communities and non-core assets, including standalone SNFs and wellness centers. We believe that these sources will be sufficient to meet our operating and capital expenses, pay debt service obligations and make distributions to our shareholders for the next 12 months and for the foreseeable future thereafter. Our future cash flows from operating activities will depend primarily upon:

• | our ability to maintain or increase the occupancy of, and the rental rates at, our properties;

• | our ability to control operating expenses and capital expenses at our properties;

• | our manager's ability to operate our managed senior living communities so as to maintain or increase our returns; and

• | our ability to purchase additional properties which produce cash flows in excess of our cost of acquisition capital and the related property operating expenses.

Following entry into the Transaction Agreement, due to the lower cash flow we will receive from our senior living communities operated by Five Star, on April 18, 2019, we lowered our regular quarterly distribution rate to $0.15 per common
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share ($0.60 per common share annually), which is based on a target distribution payout ratio of approximately 80% of projected cash available for distribution in the future.
Effective January 2020 (or January 2021 if extended under the Transaction Agreement), subject to the satisfaction of certain conditions pursuant to the Transaction Agreement, Five Star will issue to us such number of Five Star common shares as is necessary to cause us to own, when considered together with our then owned Five Star common shares, approximately 34% of the outstanding Five Star common shares post-issuance, and we will declare a pro rata distribution to holders of our common shares of beneficial interest of the right to receive, and Five Star will issue on a pro rata basis to such holders, a number of Five Star common shares which equals approximately 51% of the outstanding Five Star common shares post-issuance. As consideration for such issuance of Five Star common shares, we will provide to Five Star $75.0 million of additional consideration.
For further information regarding the Transaction Agreement, see Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.
Our Operating Liquidity and Resources
We generally receive minimum rents from our tenants monthly or quarterly, we receive percentage rents from our senior living community tenants monthly, quarterly or annually and we receive residents' fees and services' revenues, net of expenses, from our managed senior living communities monthly. Our changes in cash flows for the six months ended June 30, 2019 compared to the six months ended June 30, 2018 were as follows: (1) cash provided by operating activities decreased to $125.9 million in 2019 from $179.1 million in 2018; (2) cash used in investing activities was $101.6 million in 2019, compared to cash provided by investing activities of $161.8 million in 2018; and (3) cash used in financing activities decreased to $33.1 million in 2019 from $248.9 million in 2018.
The decrease in cash provided by operating activities for the six months ended June 30, 2019 compared to the prior year was primarily due to the $32.3 million reduction in the aggregate amount of rent payable to us by Five Star during the six months ended June 30, 2019 pursuant to the Transaction Agreement, as described in Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q, partially offset by a decrease in business management fee expenses in the 2019 period compared to the 2018 period. The change in cash (used in) provided by investing activities for the six months ended June 30, 2019 compared to the prior year period was primarily due to lower proceeds from the sale of real estate properties in the 2019 period compared to the 2018 period. The decrease in cash used in financing activities for the six months ended June 30, 2019 compared to the prior year was primarily due to higher repayments of debt in the 2018 period related to our sale of real estate properties discussed above and a reduction in distributions paid to our shareholders in the 2019 period.
Our Investment and Financing Liquidity and Resources
As of June 30, 2019, we had $48.0 million of cash and cash equivalents and $310.0 million available to borrow under our revolving credit facility. We typically use cash balances, borrowings under our revolving credit facility, net proceeds from offerings of debt or equity securities, net proceeds from the disposition of assets and the cash flows from our operations to fund our operations, debt repayments, distributions, property acquisitions, capital expenditures and other general business purposes.
In order to fund acquisitions and to meet cash needs that may result from timing differences between our receipt of rents and our desire or need to make distributions or pay operating or capital expenses, we maintain a $1.0 billion unsecured revolving credit facility. The maturity date of our revolving credit facility is January 15, 2022, and, subject to the payment of an extension fee and meeting other conditions, we have the option to extend the maturity date of the facility for an additional year. Our revolving credit facility provides that we can borrow, repay and re-borrow funds available under our revolving credit facility until maturity, and no principal repayment is due until maturity. The facility also includes a feature pursuant to which in certain circumstances maximum borrowings under the facility may be increased to up to $2.0 billion. Our revolving credit facility requires annual interest to be paid on borrowings at the rate of LIBOR plus a premium (currently 120 basis points per annum) that is subject to adjustment based upon changes to our credit ratings, plus a facility fee of 25 basis points per annum on the total amount of lending commitments. As of June 30, 2019, the annual interest rate required on borrowings under our revolving credit facility was 3.6%. As of June 30, 2019 and August 7, 2019, we had $690.0 million and $555.0 million outstanding under our revolving credit facility, respectively.
When significant amounts are outstanding under our revolving credit facility, or as the maturities of our indebtedness approach, we intend to explore refinancing alternatives. Such alternatives may include incurring additional debt, selling certain properties and issuing new equity securities. In addition, we may also seek to participate in joint ventures or other arrangements
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that may provide us additional sources of financing. We currently have an effective shelf registration statement that allows us to issue public securities on an expedited basis, but it does not assure that there will be buyers for such securities. We may also assume debt in connection with our acquisitions of properties or place new debt on properties we own.
We have a $350.0 million unsecured term loan that matures on January 15, 2020. This term loan includes a feature under which maximum borrowings may be increased to up to $700.0 million in certain circumstances. This term loan requires interest to be paid at the rate of LIBOR plus a premium (currently 140 basis points per annum) that is subject to adjustment based upon changes to our credit ratings. As of June 30, 2019, the annual interest rate payable on amounts outstanding under this term loan was 3.8%.
We also have a $200.0 million unsecured term loan that matures on September 28, 2022. This term loan includes a feature under which maximum borrowings may be increased to up to $400.0 million in certain circumstances. This term loan requires interest to be paid at the rate of LIBOR plus a premium (currently 135 basis points per annum) that is subject to adjustment based upon changes to our credit ratings. As of June 30, 2019, the annual interest rate payable on amounts outstanding under this term loan was 3.8%.
In April 2019, our issuer credit rating was downgraded from BBB- to BB+ by Standard and Poor's Global, or S&P, following our announcement of the restructuring of our business arrangements with Five Star. The ratings on our senior notes were reaffirmed at BBB- by S&P and, as a result, the interest rate premium on our revolving credit facility and term loans was not changed.
In May 2019, our senior unsecured debt rating was downgraded from Baa3 to Ba1 by Moody's Investors Service following our announcement of the restructuring of our business arrangements with Five Star. The interest rate premium on our revolving credit facility and term loans was not changed.
In connection with the Transaction Agreement, we provided to Five Star the short term $25.0 million Five Star credit facility as further described in Note 9 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q. The Five Star credit facility matures on January 1, 2020, or January 1, 2021 if the Conversion Time is extended pursuant to the Transaction Agreement. The Five Star credit facility provides for interest to be paid on borrowed amounts at a rate of 6% per year and is secured by real estate mortgages on six senior living communities owned by certain of Five Star’s subsidiaries that guarantee Five Star’s obligations under the Five Star credit facility, and certain personal property owned by those and certain other Five Star subsidiaries. As of June 30, 2019 and August 7, 2019, no amounts were outstanding under the Five Star credit facility.
In May 2019, we redeemed at par all of our outstanding 3.25% senior notes due 2019 for a redemption price equal to principal amount of $400.0 million. We funded this redemption with cash on hand and borrowings under our revolving credit facility.
Also in May 2019, we prepaid, at par plus accrued interest, a mortgage note secured by four of our senior living communities with an outstanding principal balance of approximately $42.2 million, a maturity date in July 2019 and an annual interest rate of 3.79%. We prepaid this mortgage using cash on hand and borrowings under our revolving credit facility.
During the six months ended June 30, 2019, we sold 10 MOBs located in Colorado, Florida and Massachusetts, for an aggregate sales price of approximately $13.6 million, excluding closing costs. We recognized rental income of $0.6 million and $1.6 million during the three and six months ended June 30, 2019, respectively, from these 10 MOBs.
During the six months ended June 30, 2019, we sold three SNFs located in California for an aggregate sales price of approximately $21.5 million, excluding closing costs. In accordance with the Transaction Agreement, annual rental income payable to us was reduced by $0.8 million as a result of our sale of these SNFs that were previously leased to Five Star.
In July 2019, we completed our sale of 2,637,408 shares of class A common stock of RMR Inc. in an underwritten public offering at a price to the public of $40.00 per common share. We received $98.9 million in net proceeds after underwriting fees and before other offering expenses that we used to repay amounts outstanding under our revolving credit facility.
In July 2019, we sold three MOBs located in Massachusetts, for an aggregate sales price of approximately $5.0 million, excluding closing costs. We recognized rental income of $0.4 million and $0.9 million during the three and six months ended June 30, 2019, respectively, from these three MOBs.
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We currently have two MOBs and 32 senior living communities, 26 of which are SNFs leased to Five Star, under agreements to sell for an aggregate sales price of approximately $157.0 million, excluding closing costs. Annual rental income payable to us will be reduced in accordance with the Transaction Agreement from the sale of the SNFs that are leased to Five Star. These sales are subject to conditions; as a result, these sales may not occur, they may be delayed or their terms may change.
During the three and six months ended June 30, 2019 and 2018, respectively, amounts capitalized for leasing costs and building improvements at our MOBs and capital expenditures at our managed senior living communities were as follows (dollars in thousands):

|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
MOB tenant improvements (1) |  | $ | 2,008 |  |  | $ | 1,089 |  |  | $ | 7,008 |  |  | $ | 2,689 |
MOB leasing costs (2) |  | 1,144 |  |  | 1,225 |  |  | 5,276 |  |  | 1,647 |
MOB building improvements (3) |  | 2,929 |  |  | 3,127 |  |  | 3,924 |  |  | 5,683 |
Managed senior living communities capital improvements |  | 3,487 |  |  | 3,355 |  |  | 6,799 |  |  | 5,762 |
Recurring capital expenditures |  | $ | 9,568 |  |  | $ | 8,796 |  |  | $ | 23,007 |  |  | $ | 15,781 |
Development, redevelopment and other activities - MOBs (4) |  | 9,285 |  |  | 1,549 |  |  | 15,344 |  |  | 1,946 |
Development, redevelopment and other activities - Managed senior living communities (4) |  | 9,798 |  |  | 8,109 |  |  | 18,877 |  |  | 10,933 |
Total development, redevelopment and other activities |  | $ | 19,083 |  |  | $ | 9,658 |  |  | $ | 34,221 |  |  | $ | 12,879 |

(1) | MOB tenant improvements generally include capital expenditures to improve tenants' space or amounts paid directly to tenants to improve their space.

(2) | MOB leasing costs generally include leasing related costs, such as brokerage commissions and tenant inducements.

(3) | MOB building improvements generally include expenditures to replace obsolete building components that extend the useful life of existing assets.

(4) | Development, redevelopment and other activities generally include (1) capital expenditures that are identified at the time a property is acquired and incurred within a short period after such acquisition and (2) capital expenditures that reposition a property or result in new sources of revenue.

During the three and six months ended June 30, 2019, we invested $0.2 million and $0.9 million, respectively, in revenue producing capital improvements at certain of our triple net leased senior living communities leased to private operators, and, as a result, annual rents payable to us increased by approximately $0.01 million and $0.03 million, respectively, pursuant to the terms of the applicable leases. We used cash on hand and borrowings under our revolving credit facility to fund these purchases. These capital improvement amounts are not included in the table above.
During the three and six months ended June 30, 2019, we purchased $63.7 million and $86.3 million, respectively, of fixed assets and improvements related to our senior living communities leased to Five Star, including $49.2 million of fixed assets and improvements that were purchased pursuant to the Transaction Agreement in April 2019. We used cash on hand and borrowings under our revolving credit facility to fund these purchases.
During the three months ended June 30, 2019, commitments made for expenditures in connection with leasing space in our MOBs, such as tenant improvements and leasing costs, were as follows (dollars and square feet in thousands, except per square foot amounts):

|  | New Leases |  | Renewals |  | Total
Square feet leased during the quarter |  | 31 |  |  | 281 |  |  | 312 |
Total leasing costs and concession commitments (1) |  | $ | 1,496 |  |  | $ | 892 |  |  | $ | 2,388 |
Total leasing costs and concession commitments per square foot (1) |  | $ | 48.69 |  |  | $ | 3.17 |  |  | $ | 7.66 |
Weighted average lease term (years) (2) |  | 7.3 |  |  | 15.8 |  |  | 15.3 |
Total leasing costs and concession commitments per square foot per year (1) |  | $ | 6.68 |  |  | $ | 0.20 |  |  | $ | 0.50 |

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(1) | Includes commitments made for leasing expenditures and concessions, such as tenant improvements, leasing commissions, tenant reimbursements and free rent.

(2) | Weighted based on annualized rental income pursuant to existing leases as of June 30, 2019, including straight line rent adjustments and estimated recurring expense reimbursements, and excluding lease value amortization.

We funded or expect to fund the foregoing capital commitments at our MOBs using cash on hand and borrowings under our revolving credit facility.
As of June 30, 2019, we have estimated unspent leasing related obligations at our triple net leased senior living communities and our MOBs of approximately $19.3 million. We currently expect to fund an additional approximately $36.5 million of fixed assets and improvements related to our senior living communities leased to Five Star during the last six months of 2019. We expect to use cash on hand and borrowings under our revolving credit facility to fund these purchases.
In July 2019, a tenant in our MOB segment vacated three properties with an aggregate of 164,091 square feet in California. We are currently evaluating our options for these properties. The releasing of this space may take significant capital expenditures and time to reposition these properties. We recognized rental income of $3.8 million and $6.2 million during the three and six months ended June 30, 2019, respectively, related to these properties.
On February 21, 2019, we paid a regular quarterly distribution to common shareholders of $0.39 per share, or approximately $92.7 million, that was declared on January 18, 2019 and was payable to shareholders of record on January 28, 2019. On May 16, 2019, we paid a regular quarterly distribution to common shareholders of $0.15 per share, or approximately $35.7 million, that was declared on April 18, 2019 and was payable to shareholders of record on April 29, 2019. On July 18, 2019, we declared a regular quarterly distribution payable to common shareholders of record on July 29, 2019, of $0.15 per share, or approximately $35.7 million. We expect to pay this distribution on or about August 15, 2019 using cash on hand and borrowings under our revolving credit facility.
We believe we will have access to various types of financings, including debt or equity offerings, to fund our future acquisitions and to pay our debts and other obligations as they become due. Our ability to complete, and the costs associated with, future debt transactions depends primarily upon credit market conditions and our then creditworthiness. We have no control over market conditions. Our credit ratings depend upon evaluations by credit rating agencies of our business practices and plans, including our ability to maintain our earnings, to stagger our debt maturities and to balance our use of debt and equity capital so that our financial performance and leverage ratios afford us flexibility to withstand any reasonably anticipated adverse changes. Similarly, our ability to raise equity capital in the future will depend primarily upon equity capital market conditions and our ability to conduct our business to maintain and grow our operating cash flows. We intend to conduct our business activities in a manner which will afford us reasonable access to capital for investment and financing activities, but we cannot be sure that we will be able to successfully carry out that intention.
Except as described above, our strategy related to property acquisitions and dispositions is materially unchanged from that disclosed in our Annual Report. We continue to explore and evaluate for possible acquisition of additional properties primarily for income and secondarily for appreciation potential; however, we cannot be sure that we will reach any agreement to acquire such properties, or that if we do reach any such agreement, that we will complete any acquisitions. Generally, we identify properties for sale based on changes in market conditions in the area where the property is located, our expectations regarding the property's future financial performance, our expectation regarding lease renewals, our plans with regard to particular properties or alternative opportunities we may wish to pursue. Our plans for particular properties and other strategic considerations may cause us to change our acquisition and disposition strategies, and we may do so at any time and without shareholder approval.
Off Balance Sheet Arrangements
As of June 30, 2019, we had no off balance sheet arrangements that have had or that we expect would be reasonably likely to have a material effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.
Debt Covenants
Our principal debt obligations at June 30, 2019 were: (1) borrowings under our $1.0 billion unsecured revolving credit facility, of which $690.0 million was outstanding at June 30, 2019; (2) six public issuances of senior unsecured notes, including: (a) $200.0 million principal amount at an annual interest rate of 6.75% due 2020, (b) $300.0 million principal
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amount at an annual interest rate of 6.75% due 2021, (c) $250.0 million principal amount at an annual interest rate of 4.75% due 2024, (d) $500.0 million principal amount at an annual interest rate of 4.75% due 2028, (e) $350.0 million principal amount at an annual interest rate of 5.625% due 2042 and (f) $250.0 million principal amount at an annual interest rate of 6.25% due 2046; (3) our $350.0 million principal amount unsecured term loan due 2020; (4) our $200.0 million principal amount unsecured term loan due 2022; and (5) $690.7 million aggregate principal amount of mortgage debts secured by 10 of our properties with maturity dates between 2022 and 2043. We also have two properties subject to capital leases with lease obligations totaling $9.4 million at June 30, 2019; these capital leases expire, and we have a purchase option that commences, beginning in 2026. Our senior unsecured notes are governed by our senior unsecured notes indentures and their supplements. Our revolving credit facility and term loan agreements and our senior unsecured notes indentures and their supplements provide for acceleration of payment of all amounts outstanding upon the occurrence and continuation of certain events of default, such as, in the case of our revolving credit facility and term loan agreements, a change of control of us, as defined, which includes RMR LLC ceasing to act as our business and property manager. Our senior unsecured notes indentures and their supplements and our revolving credit facility and term loan agreements also contain covenants that restrict our ability to incur debts, including debts secured by mortgages on our properties, in excess of calculated amounts and require us to maintain various financial ratios, and our revolving credit facility and term loan agreements contain covenants that restrict our ability to make distributions to our shareholders in certain circumstances. As of June 30, 2019, we believe we were in compliance with all of the covenants under our senior unsecured notes indentures and their supplements, our revolving credit facility and term loan agreements and our other debt obligations.
Neither our senior unsecured notes indentures and their supplements, nor our revolving credit facility and term loan agreements, contain provisions for acceleration which could be triggered by our debt ratings. However, under our revolving credit facility and term loan agreements, our senior unsecured debt ratings are used to determine the fees and interest rates we pay. Accordingly, if our debt ratings are downgraded, our interest expense and related costs under our revolving credit facility and term loan agreements may increase. See "—Our Investment and Financing Liquidity and Resources" above for information regarding recent downgrades of our issuer credit rating and senior unsecured debt rating that did not result in a change in the interest rate premiums under our revolving credit facility or term loans.
Our senior unsecured notes indentures and their supplements contain cross default provisions to any other debts of more than $20.0 million ($50.0 million or more in the case of our senior unsecured notes indentures and supplements entered in February 2016 and February 2018). Similarly, our revolving credit facility and term loan agreements have cross default provisions to other indebtedness that is recourse of $25.0 million or more and indebtedness that is non-recourse of $75.0 million or more.
The loan agreements governing the aggregate $620.0 million secured debt financing on the property owned by our joint venture contain customary covenants and provide for acceleration of payment of all amounts due thereunder upon the occurrence and continuation of certain events of default.
Related Person Transactions
We have relationships and historical and continuing transactions with RMR LLC, RMR Inc., Five Star and others related to them. For example: we have no employees and the personnel and various services we require to operate our business are provided to us by RMR LLC pursuant to our business and property management agreements with RMR LLC; RMR Inc. is the managing member of RMR LLC; Adam D. Portnoy, the Chair of our Board of Trustees and one of our Managing Trustees, is the sole trustee, an officer and the controlling shareholder of ABP Trust, which is the controlling shareholder of RMR Inc., and he is also a managing director and the president and chief executive officer of RMR Inc. and an officer and employee of RMR LLC; Jennifer Clark, our other Managing Trustee and our Secretary, is a managing director and the executive vice president, general counsel and secretary of RMR Inc., an officer of ABP Trust, an officer and employee of RMR LLC and the secretary of Five Star; each of our officers is also an officer and employee of RMR LLC; and, until July 1, 2019, we owned shares of class A common stock of RMR Inc. We have relationships and historical and continuing transactions with other companies to which RMR LLC or its subsidiaries provide management services and some of which may have trustees, directors or officers who are also trustees, directors or officers of us, RMR LLC or RMR Inc., including Five Star, which is our former subsidiary and largest tenant and the manager of our managed senior living communities and of which we and a wholly owned subsidiary of ABP Trust are significant stockholders, owning, as of June 30, 2019, 8.3% and 35.4%, respectively, of its outstanding common shares, and with which we have entered the Transaction Agreement, which provides for a restructuring of our contractual arrangements with Five Star.
For further information about these and other such relationships and related person transactions, see Notes 9, 10, and 11 to our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q, our Annual Report, our definitive Proxy Statement for our 2019 Annual Meeting of Shareholders and our other filings with the SEC. In
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addition, see the section captioned “Risk Factors” of our Annual Report for a description of risks that may arise as a result of these and other related person transactions and relationships. Our filings with the SEC and copies of certain of our agreements with these related persons, including our business and property management agreements with RMR LLC and our various agreements with Five Star, are available as exhibits to our filings with the SEC and accessible at the SEC’s website, www.sec.gov. We may engage in additional transactions with related persons, including businesses to which RMR LLC or its subsidiaries provide management services.
Impact of Government Reimbursement
For the six months ended June 30, 2019, approximately 97% of our NOI was generated from properties where a majority of the revenues are derived from our tenants’ and residents’ private resources, and the remaining 3% of our NOI was generated from properties where a majority of the revenues are derived from Medicare and Medicaid payments. Nonetheless, we own, and our tenants and manager operate, facilities in many states that participate in federal and state healthcare payment programs, including the federal Medicare and state Medicaid programs and other federal and state healthcare payment programs. Also, some of our MOB tenants participate in federal Medicare and state Medicaid programs and other government healthcare payment programs.
For more information regarding the government healthcare funding and regulation of our business, please see the section captioned “Business—Government Regulation and Reimbursement” in our Annual Report and the section captioned “Management's Discussion and Analysis of Financial Condition and Results of Operations—Impact of Government Reimbursement” in our Annual Report.
Item 3. Quantitative and Qualitative Disclosures About Market Risk.
We are exposed to risks associated with market changes in interest rates. We manage our exposure to this market risk by monitoring available financing alternatives. Our strategy to manage exposure to changes in interest rates has not materially changed since December 31, 2018. Other than as described below, we do not currently foresee any significant changes in our exposure to fluctuations in interest rates or in how we manage this exposure in the near future.
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Fixed Rate Debt
At June 30, 2019, our outstanding fixed rate debt included the following (dollars in thousands):

|  |  |  | Annual |  | Annual |  |  |  |
|  | Principal |  | Interest |  | Interest |  |  |  | Interest
Debt |  | Balance (1) |  | Rate (1) |  | Expense |  | Maturity |  | Payments Due
Senior unsecured notes |  | $ | 200,000 |  |  | 6.75 | % |  | $ | 13,500 |  |  | 2020 |  | Semi-Annually
Senior unsecured notes |  | 300,000 |  |  | 6.75 | % |  | 20,250 |  |  | 2021 |  | Semi-Annually
Senior unsecured notes |  | 250,000 |  |  | 4.75 | % |  | 11,875 |  |  | 2024 |  | Semi-Annually
Senior unsecured notes |  | 500,000 |  |  | 4.75 | % |  | 23,750 |  |  | 2028 |  | Semi-Annually
Senior unsecured notes |  | 350,000 |  |  | 5.63 | % |  | 19,705 |  |  | 2042 |  | Quarterly
Senior unsecured notes |  | 250,000 |  |  | 6.25 | % |  | 15,625 |  |  | 2046 |  | Quarterly
Mortgage note |  | 1,738 |  |  | 7.49 | % |  | 130 |  |  | 2022 |  | Monthly
Mortgage note |  | 12,834 |  |  | 6.28 | % |  | 806 |  |  | 2022 |  | Monthly
Mortgage note |  | 11,071 |  |  | 4.85 | % |  | 537 |  |  | 2022 |  | Monthly
Mortgage note |  | 16,287 |  |  | 5.75 | % |  | 937 |  |  | 2022 |  | Monthly
Mortgage note |  | 16,251 |  |  | 6.64 | % |  | 1,079 |  |  | 2023 |  | Monthly
Mortgage notes (2) |  | 620,000 |  |  | 3.53 | % |  | 21,886 |  |  | 2026 |  | Monthly
Mortgage note |  | 1,691 |  |  | 6.25 | % |  | 106 |  |  | 2026 |  | Monthly
Mortgage note |  | 10,795 |  |  | 4.44 | % |  | 479 |  |  | 2043 |  | Monthly
|  | $ | 2,540,667 |  |  |  |  | $ | 130,665 |  |  |  |  |

(1) | The principal balances and interest rates are the amounts stated in the applicable contracts. In accordance with GAAP, our carrying values and recorded interest expense may differ from these amounts because of market conditions at the time we assumed these debts. This table does not include obligations under capital leases.

(2) | The properties encumbered by these mortgages are owned in a joint venture arrangement in which we own a 55% equity interest. The principal amounts listed in the table for these debts have not been adjusted to reflect the equity interests in the joint venture that we do not own.

No principal repayments are due under our unsecured notes until maturity. Our mortgage notes generally require principal and interest payments through maturity pursuant to amortization schedules. Because these debts require interest to be paid at a fixed rate, changes in market interest rates during the term of these debts will not affect our interest obligations. If these debts were refinanced at interest rates which are one percentage point higher or lower than shown above, our annual interest cost would increase or decrease by approximately $25.4 million.
Changes in market interest rates also would affect the fair value of our fixed rate debt obligations; increases in market interest rates decrease the fair value of our fixed rate debt, while decreases in market interest rates increase the fair value of our fixed rate debt. Based on the balances outstanding at June 30, 2019, and discounted cash flows analyses through the respective maturity dates, and assuming no other changes in factors that may affect the fair value of our fixed rate debt obligations, a hypothetical immediate one percentage point increase in interest rates would change the fair value of those obligations by approximately $41.5 million.
Our senior unsecured notes and certain of our mortgages contain provisions that allow us to make repayments earlier than the stated maturity date. In some cases, we are not allowed to make early repayment prior to a cutoff date and we are generally allowed to make prepayments only at a premium equal to a make whole amount, as defined, which is generally designed to preserve a stated yield to the noteholder. In the past, we have repurchased and retired some of our outstanding debts and we may do so again in the future. These prepayment rights and our ability to repurchase and retire outstanding debt may afford us opportunities to mitigate the risk of refinancing our debts at maturity at higher rates by refinancing prior to maturity.
Floating Rate Debt
At June 30, 2019, our floating rate debt obligations consisted of our $1.0 billion revolving credit facility, under which we had $690.0 million outstanding, our $350.0 million term loan and our $200.0 million term loan. Our revolving credit facility matures in January 2022, and, subject to our payment of an extension fee and our meeting other conditions, we have the option
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to extend the stated maturity date by one year to January 2023. No principal repayments are required under our revolving credit facility prior to maturity, and we can borrow, repay and re-borrow funds available, subject to conditions, at any time without penalty. Our $350.0 million term loan matures in January 2020, and our $200.0 million term loan matures in September 2022. Our $350.0 million term loan and our $200.0 million term loan are prepayable without penalty at any time.
Borrowings under our revolving credit facility and term loans are in U.S. dollars and interest is required to be paid at the rate of LIBOR plus premiums that are subject to adjustment based upon changes to our credit ratings. Accordingly, we are exposed to interest rate risk for changes in U.S. dollar based short term rates, specifically LIBOR. In addition, upon renewal or refinancing of our revolving credit facility or our term loans, we are vulnerable to increases in interest rate premiums due to market conditions or our perceived credit characteristics. Generally, a change in interest rates would not affect the value of our floating rate debt but would affect our operating results.
The following table presents the impact a one percentage point increase in interest rates would have on our annual floating rate interest expense as of June 30, 2019 (dollars in thousands except per share amounts):

|  | Impact of Changes in Interest Rates
|  |  |  | Outstanding |  | Total Interest |  | Annual Earnings
|  | Interest Rate (1) |  | Floating Rate Debt |  | Expense Per Year |  | Per Share Impact (2)
At June 30, 2019 |  | 3.68 | % |  | $ | 1,240,000 |  |  | $ | 45,632 |  |  | $ | 0.19 |
One percentage point increase |  | 4.68 | % |  | $ | 1,240,000 |  |  | $ | 58,032 |  |  | $ | 0.24 |

(1) | Weighted based on the respective interest rates and outstanding borrowings under our credit facility and term loans as of June 30, 2019.

(2) | Based on weighted average number of shares outstanding (basic and diluted) for the six months ended June 30, 2019.

The following table presents the impact a one percentage point increase in interest rates would have on our annual floating rate interest expense as of June 30, 2019 if we were fully drawn on our revolving credit facility and our term loans remained outstanding (dollars in thousands except per share amounts):

|  | Impact of Changes in Interest Rates
|  |  |  | Outstanding |  | Total Interest |  | Annual Earnings
|  | Interest Rate (1) |  | Floating Rate Debt |  | Expense Per Year |  | Per Share Impact (2)
At June 30, 2019 |  | 3.66 | % |  | $ | 1,550,000 |  |  | $ | 56,730 |  |  | $ | 0.24 |
One percentage point increase |  | 4.66 | % |  | $ | 1,550,000 |  |  | $ | 72,230 |  |  | $ | 0.30 |

(1) | Weighted based on the respective interest rates and outstanding borrowings under our credit facility (assuming fully drawn) and term loans as of June 30, 2019.

(2) | Based on weighted average number of shares outstanding (basic and diluted) for the six months ended June 30, 2019.

The foregoing tables show the impact of an immediate increase in floating interest rates. If interest rates were to increase gradually over time, the impact would be spread over time. Our exposure to fluctuations in floating interest rates will increase or decrease in the future with increases or decreases in the amount of our borrowings outstanding under our revolving credit facility or other floating rate debt.
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LIBOR Phase Out
LIBOR is currently expected to be phased out in 2021. We are required to pay interest on borrowings under our revolving credit facility and term loans at floating rates based on LIBOR. Future debt that we may incur may also require that we pay interest based upon LIBOR. We currently expect that the determination of interest under our credit facility and term loan agreements would be revised as provided under the agreement or amended as necessary to provide for an interest rate that approximates the existing interest rate as calculated in accordance with LIBOR. Despite our current expectations, we cannot be sure that, if LIBOR is phased out or transitioned, the changes to the determination of interest under our agreements would approximate the current calculation in accordance with LIBOR. We do not know what standard, if any, will replace LIBOR if it is phased out or transitioned.
Although we have no present plans to do so, we may in the future enter into hedge arrangements or derivative contracts from time to time to mitigate our exposure to changes in interest rates.
Item 4. Controls and Procedures.
As of the end of the period covered by this Quarterly Report on Form 10-Q, our management carried out an evaluation, under the supervision and with the participation of our Managing Trustees, our President and Chief Operating Officer and our Chief Financial Officer and Treasurer, of the effectiveness of our disclosure controls and procedures pursuant to Rules 13a-15 and 15d-15 under the Securities Exchange Act of 1934, as amended. Based upon that evaluation, our Managing Trustees, our President and Chief Operating Officer and our Chief Financial Officer and Treasurer concluded that our disclosure controls and procedures are effective.
There have been no changes in our internal control over financial reporting during the quarter ended June 30, 2019 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
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Warning Concerning Forward-Looking Statements
This Quarterly Report on Form 10-Q contains statements that constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other securities laws. Also, whenever we use words such as “believe”, “expect”, “anticipate”, “intend”, “plan”, “estimate”, “will”, “may” and negatives or derivatives of these or similar expressions, we are making forward-looking statements. These forward-looking statements are based upon our present intent, beliefs or expectations, but forward-looking statements are not guaranteed to occur and may not occur. Forward-looking statements in this Quarterly Report on Form 10-Q relate to various aspects of our business, including:

• | Our ability to pay distributions to our shareholders and to sustain the amount of such distributions,

• | Our ability to retain our existing tenants, attract new tenants and maintain or increase current rental rates,

• | Five Star, our former subsidiary and largest tenant and the manager of our managed senior living communities, having adequate financial resources and liquidity and Five Star's ability to meet its obligations to us and to manage our senior living communities satisfactorily,

• | Whether the aging U.S. population and increasing life spans of seniors will increase the demand for senior living communities, wellness centers and other medical and healthcare related properties and healthcare services,

• | The credit qualities of our tenants,

• | Our ability to compete for tenancies and acquisitions effectively,

• | Our ability to maintain and increase occupancy, revenues and NOI at our senior living communities,

• | Our acquisitions and sales of properties,

• | Our ability to raise debt or equity capital,

• | Our ability to complete our target dispositions in accordance with our stated plan,

• | The future availability of borrowings under our revolving credit facility,

• | Our policies and plans regarding investments, financings and dispositions,

• | Our ability to pay interest on and principal of our debt,

• | Our ability to appropriately balance our use of debt and equity capital,

• | Our credit ratings,

• | Our expectation that we benefit from our relationships with RMR Inc.,

• | Our qualification for taxation as a REIT, and

• | Other matters.

Our actual results may differ materially from those contained in or implied by our forward-looking statements. Forward-looking statements involve known and unknown risks, uncertainties and other factors, some of which are beyond our control. Risks, uncertainties and other factors that could have a material adverse effect on our forward-looking statements and upon our business, results of operations, financial condition, FFO attributable to common shareholders, Normalized FFO attributable to common shareholders, NOI, cash flows, liquidity and prospects include, but are not limited to:

• | The impact of conditions in the economy and the capital markets on us and our tenants and managers,

• | Compliance with, and changes to, federal, state and local laws and regulations, accounting rules, tax laws and similar matters,

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• | Limitations imposed on our business and our ability to satisfy complex rules in order for us to qualify for taxation as a REIT for U.S. federal income tax purposes,

• | Competition within the healthcare and real estate industries, particularly in those markets in which our properties are located,

• | Actual and potential conflicts of interest with our related parties, including our Managing Trustees, Five Star, RMR LLC, RMR Inc. and others affiliated with them,

• | Acts of terrorism, outbreaks of so called pandemics or other manmade or natural disasters beyond our control, and

• | The impact of the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively, the ACA, or the possible future repeal, replacement or modification of the ACA and other existing or proposed legislation or regulations on us or our tenants and managers and their ability to pay their obligations to us.

For example:

• | Five Star, our largest tenant and the manager of our managed senior living communities, has been experiencing significant operating and financial challenges. Five Star's operating and financial difficulties result from a number of factors, some of which are beyond Five Star's control, including, but not limited to:

• | Five Star's high operating leverage,

• | Increases in Five Star’s labor costs or in costs Five Star pays for goods and services,

• | Competition within the senior living industry,

• | Seniors delaying or forgoing moving into senior living communities or purchasing healthcare services,

• | The impact of changes in the economy and the capital markets on Five Star and its residents and other customers,

• | Changes in Medicare or Medicaid policies and regulations, including those that may result from the ACA or the possible future repeal, replacement or modification of the ACA and other existing or proposed legislation or regulations,

• | Increases in compliance costs,

• | Continued efforts by third party payers to reduce healthcare costs, and

• | Increases in tort and insurance liability costs.

• | If Five Star’s operations are unprofitable, it could become insolvent and default on its rent obligations to us,

• | If Five Star fails to provide quality services at our senior living communities, the NOI generated by these communities may be adversely affected,

• | We entered into the Transaction Agreement to modify our existing business arrangements with Five Star, and certain of the transactions contemplated by the Transaction Agreement are expected to be effective January 1, 2020. These transactions are subject to conditions, including, among others, the receipt of certain regulatory approvals. We cannot be sure that any or all of such conditions will be satisfied. Accordingly, these transactions may not become effective as of January 1, 2020 or at all, or the terms of such transactions may change,

• | The Five Star Share Issuances will require the effectiveness of a registration statement on Form S-1 to be filed by Five Star with the SEC to register the Five Star common shares to be issued pursuant to the Five Star Share Issuances. The process of preparing the Form S-1 is time consuming and the time before the SEC declares the registration statement effective is beyond Five Star’s control. Accordingly, we cannot be sure that the Transaction Agreement and the restructuring transactions will be completed within a specified time period or at all,

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• | If the transactions contemplated by the Transaction Agreement are completed, we expect to own our Five Star common shares for the foreseeable future. However, we may sell some or all of our Five Star common shares. Our ownership of Five Star may also be diluted in the future,

• | If the transactions contemplated by the Transaction Agreement are completed, the conversion of the master leases to management agreements will be a significant change in our arrangements with Five Star and may result in our realizing significantly different operating results from our senior living communities, including increased variability,

• | We plan to pay distributions at an annual rate of $0.60 per common share going forward, based on a target distribution payout ratio of approximately 80% of projected cash available for distribution in the future. Our distribution will be set and reset from time to time by our Board of Trustees. The Board of Trustees will consider many factors when setting the distribution, including our historical and projected net income, Normalized FFO, the then current and expected needs and availability of cash to pay our obligations, distributions which we may be required to pay to maintain our qualification for taxation as a REIT and other factors deemed relevant by our Board of Trustees in its discretion. Further, our projected cash available for distribution in the future may change and may vary from our expectations. Accordingly, future distributions may be increased or decreased and we cannot be sure as to the rate at which future distributions will be paid,

• | Our ability to make future distributions to our shareholders and to make payments of principal and interest on our indebtedness depends upon a number of factors, including our future earnings, the capital costs we incur to lease and operate our properties and our working capital requirements. We may be unable to pay our debt obligations or to maintain our current rate of distributions on our common shares and future distributions may be reduced or eliminated,

• | To reduce our leverage, we have sold assets and have identified additional properties to sell aggregating approximately $900.0 million. We may not complete the sales of any additional properties we plan to sell. Also, we may sell properties at prices that are less than we expect and less than their carrying values and we may incur losses on these sales or with respect to these properties,

• | Contingencies in our acquisition and sale agreements may not be satisfied and our pending acquisitions and sales and any related management or lease arrangements we expect to enter may not occur, may be delayed or the terms of such transactions or arrangements may change,

• | We may not be able to sell properties that we may determine to offer for sale on terms acceptable to us or otherwise, and we may incur losses on any such sales or in connection with decisions to pursue selling our properties,

• | The capital investments we are making at our senior living communities in response to competitive pressures resulting from ongoing new supply of senior living communities may not achieve expected results and our senior living communities may not be competitive, despite these capital investments,

• | We may spend more for capital expenditures than we currently expect,

• | Any joint venture arrangements that we may enter may not be successful,

• | Our tenants may experience losses and default on their rent obligations to us,

• | Some of our tenants may not renew expiring leases, and we may be unable to obtain new tenants to maintain or increase the historical occupancy rates of, or rents from, our properties,

• | Our ability to grow our business and maintain or increase our distributions depends in large part upon our ability to buy properties and arrange for their profitable operation or lease them for rents, less their property operating expenses, that exceed our capital costs. We may be unable to identify properties that we want to acquire and we may fail to reach agreement with the sellers and complete the purchase of any properties we do want to acquire. In addition, any properties we may acquire may not provide us with rents or revenues less property operating costs that exceed our capital costs or achieve our expected returns. If our cash flows are reduced and our leverage increases, we may need to sell, rather than buy, properties,

• | Rents that we can charge at our properties may decline upon renewals or expirations because of changing market conditions or otherwise,

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• | We expect to enter into additional management arrangements with Five Star for additional senior living communities that we own or may acquire in the future. However, we cannot be sure that we will enter into any additional management arrangements or other transactions with Five Star,

• | Continued availability of borrowings under our revolving credit facility is subject to our satisfying certain financial covenants and other credit facility conditions that we may be unable to satisfy,

• | Actual costs under our revolving credit facility or other floating rate debt will be higher than LIBOR plus a premium because of fees and expenses associated with such debt,

• | The maximum borrowing availability under our revolving credit facility and term loans may be increased to up to $3.1 billion on a combined basis in certain circumstances. However, increasing the maximum borrowing availability under our revolving credit facility and term loans is subject to our obtaining additional commitments from lenders, which may not occur,

• | We have the option to extend the maturity date of our revolving credit facility upon payment of a fee and meeting other conditions; however, the applicable conditions may not be met,

• | The premiums used to determine the interest rate payable on our revolving credit facility and term loans and the facility fee payable on our revolving credit facility are based on our credit ratings. Changes in our credit ratings may cause the interest and fees we pay to increase,

• | We may be unable to repay our debt obligations when they become due,

• | We intend to conduct our business activities in a manner that will afford us reasonable access to capital for investment and financing activities. However, we may not succeed in this regard and we may not have reasonable access to capital,

• | For the three months ended June 30, 2019, approximately 97% of our NOI was generated from properties where a majority of the revenues are derived from our tenants’ and residents’ private resources. This may imply that we will maintain or increase the percentage of our NOI generated from private resources at our senior living communities. However, our residents and patients may become unable to fund our charges with private resources and we may be required or may elect for business reasons to accept or pursue revenues from government sources, which could result in an increased part of our NOI and revenue being generated from government payments and our becoming more dependent on government payments,

• | Circumstances that adversely affect the ability of seniors or their families to pay for our tenants' and manager's services, such as economic downturns, weak housing market conditions, higher levels of unemployment among our residents' family members, lower levels of consumer confidence, stock market volatility and/or changes in demographics generally could affect the profitability of our senior living communities,

• | It is difficult to accurately estimate tenant space preparation costs. Our unspent leasing related obligations may cost more or less and may take longer to complete than we currently expect, and we may incur increasing amounts for these and similar purposes in the future,

• | Our senior living communities are subject to extensive government regulation, licensure and oversight. We sometimes experience deficiencies in the operation of our senior living communities and some of our communities may be prohibited from admitting new residents or our license to continue operations at a community may be revoked. Also, operating deficiencies or a license revocation at one or more of our senior living communities may have an adverse impact on our ability to obtain licenses for or attract residents to our other communities,

• | We believe that our relationships with our related parties, including Five Star, RMR LLC, RMR Inc., ABP Trust and others affiliated with them may benefit us and provide us with competitive advantages in operating and growing our business. However, the advantages we believe we may realize from these relationships may not materialize, and

• | The business and property management agreements between us and RMR LLC have continuing 20 year terms. However, those agreements permit early termination in certain circumstances. Accordingly, we cannot be sure that these agreements will remain in effect for continuing 20 year terms.

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Currently unexpected results could occur due to many different circumstances, some of which are beyond our control, such as new legislation or regulations affecting our business or the businesses of our tenants or managers, changes in our tenants’ or managers’ revenues or costs, worsening or lack of improvement of Five Star's financial condition or changes in our other tenants’ financial conditions, deficiencies in operations by a tenant or manager of one or more of our senior living communities, changed Medicare or Medicaid rates, acts of terrorism, natural disasters or changes in capital markets or the economy generally.
The information contained elsewhere in this Quarterly Report on Form 10-Q or in our other filings with the SEC, including under the caption “Risk Factors”, or incorporated herein or therein, identifies other important factors that could cause differences from our forward-looking statements. Our other filings with the SEC are available on the SEC’s website at www.sec.gov.
You should not place undue reliance upon our forward-looking statements.
Except as required by law, we do not intend to update or change any forward-looking statements as a result of new information, future events or otherwise.
Statement Concerning Limited Liability
The Amended and Restated Declaration of Trust establishing Senior Housing Properties Trust, dated September 20, 1999, as amended and supplemented, as filed with the State Department of Assessments and Taxation of Maryland, provides that no trustee, officer, shareholder, employee or agent of Senior Housing Properties Trust shall be held to any personal liability, jointly or severally, for any obligation of, or claim against, Senior Housing Properties Trust. All persons dealing with Senior Housing Properties Trust in any way shall look only to the assets of Senior Housing Properties Trust for the payment of any sum or the performance of any obligation.
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PART II. Other Information
Item 1A. Risk Factors.
There have been no material changes to risk factors from those we previously disclosed in our Annual Report.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
Issuer purchases of equity securities. The following table provides information about our purchases of our equity
securities during the quarter ended June 30, 2019:

Calendar Month |  | Number of Shares Purchased (1) |  | Average Price Paid per Share |  | Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs |  | Maximum Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
April 2019 |  | 3,529 |  |  | $ | 9.47 |  |  | — |  |  | $ | — |
Total |  | 3,529 |  |  | $ | 9.47 |  |  | — |  |  | $ | — |

(1) This common share withholding and purchase was made to satisfy tax withholding and payment obligations of a former RMR LLC employee in connection with the vesting of awards of our common shares. We withheld and purchased these shares at their fair market value based upon the trading price of our common shares at the close of trading on Nasdaq on the purchase date.
Item 6. Exhibits.

Exhibit Number |  | Description
3.1 |  | Composite Copy of Articles of Amendment and Restatement, dated September 20, 1999, as amended to date. (Incorporated by reference to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2017.)
3.2 |  | Articles Supplementary, dated May 11, 2000. (Incorporated by reference to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2000.)
3.3 |  | Articles Supplementary, dated April 17, 2014. (Incorporated by reference to the Company’s Current Report on Form 8-K dated April 17, 2014.)
3.4 |  | Articles Supplementary, dated June 30, 2017. (Incorporated by reference to the Company’s Current Report on Form 8-K dated June 30, 2017.)
3.5 |  | Amended and Restated Bylaws of the Company, adopted April 1, 2019. (Incorporated by reference to the Company’s Current Report on Form 8-K dated April 1, 2019.)
4.1 |  | Form of Common Share Certificate. (Incorporated by reference to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2014.)
4.2 |  | Indenture, dated as of December 20, 2001, between the Company and State Street Bank and Trust Company. (Incorporated by reference to the Company’s Registration Statement on Form S-3, File No. 333-76588.)
4.3 |  | Supplemental Indenture No. 4, dated as of April 9, 2010, between the Company and U.S. Bank National Association, related to 6.75% Senior Notes due 2020, including form thereof. (Incorporated by reference to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2010.)
4.4 |  | Supplemental Indenture No. 6, dated as of December 8, 2011, between the Company and U.S. Bank National Association, related to 6.75% Senior Notes due 2021, including form thereof. (Incorporated by reference to the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.)
4.5 |  | Supplemental Indenture No. 7, dated as of July 20, 2012, between the Company and U.S. Bank National Association, related to 5.625% Senior Notes due 2042, including form thereof (Incorporated by reference to the Company’s Registration Statement on Form 8-A dated July 20, 2012.)
4.6 |  | Supplemental Indenture No. 8, dated as of April 28, 2014, between the Company and U.S. Bank National Association, related to 3.25% Senior Notes due 2019, including form thereof. (Incorporated by reference to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2014.)
4.7 |  | Supplemental Indenture No. 9, dated as of April 28, 2014, between the Company and U.S. Bank National Association, related to 4.75% Senior Notes due 2024, including form thereof. (Incorporated by reference to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2014.)

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4.8 |  | Indenture, dated as of February 18, 2016, between the Company and U.S. Bank National Association. (Incorporated by reference to the Company’s Current Report on Form 8-K dated February 18, 2016.)
4.9 |  | First Supplemental Indenture, dated as of February 18, 2016, between the Company and U.S. Bank National Association, related to 6.25% Senior Notes due 2046, including form thereof. (Incorporated by reference to the Company’s Current Report on Form 8-K dated February 18, 2016.)
4.10 |  | Second Supplemental Indenture, dated as of February 12, 2018, between the Company and U.S. Bank National Association, related to 4.75% Senior Notes due 2028, including form thereof. (Incorporated by reference to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.)
4.11 |  | Registration Rights and Lock-Up Agreement, dated as of June 5, 2015, among the Company, ABP Trust (f/k/a Reit Management & Research Trust), Barry M. Portnoy and Adam D. Portnoy. (Incorporated by reference to the Company’s Current Report on Form 8-K dated June 5, 2015.)
10.1 |  | Summary of Trustee Compensation. (Incorporated by reference to the Company’s Current Report on Form 8-K dated May 21, 2019.)
10.2 |  | Partial Termination of and Seventeenth Amendment to Amended and Restated Master Lease Agreement (Lease No. 1), dated as of May 1, 2019, among certain subsidiaries of the Company, as Landlord, and certain subsidiaries of Five Star Senior Living Inc., as Tenant. (Filed herewith.)
10.3 |  | Partial Termination of and Twelfth Amendment to Amended and Restated Master Lease Agreement (Lease No. 2), dated as of May 1, 2019, among certain subsidiaries of the Company, as Landlord, and certain subsidiaries of Five Star Senior Living Inc., as Tenant. (Filed herewith.)
31.1 |  | Rule 13a-14(a) Certification. (Filed herewith.)
31.2 |  | Rule 13a-14(a) Certification. (Filed herewith.)
31.3 |  | Rule 13a-14(a) Certification. (Filed herewith.)
31.4 |  | Rule 13a-14(a) Certification. (Filed herewith.)
32.1 |  | Section 1350 Certification. (Furnished herewith.)
101.INS |  | XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH |  | XBRL Taxonomy Extension Schema Document. (Filed herewith.)
101.CAL |  | XBRL Taxonomy Extension Calculation Linkbase Document. (Filed herewith.)
101.DEF |  | XBRL Taxonomy Extension Definition Linkbase Document. (Filed herewith.)
101.LAB |  | XBRL Taxonomy Label Linkbase Document. (Filed herewith.)
101.PRE |  | XBRL Taxonomy Extension Presentation Linkbase Document. (Filed herewith.)
104 |  | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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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.

| SENIOR HOUSING PROPERTIES TRUST
| By: | /s/ Jennifer F. (Francis) Mintzer
|  | Jennifer F. (Francis) Mintzer
|  | President and Chief Operating Officer
Dated: August 8, 2019 |
| By: | /s/ Richard W. Siedel, Jr.
|  | Richard W. Siedel, Jr.
|  | Chief Financial Officer and Treasurer
|  | (principal financial and accounting officer)
Dated: August 8, 2019 |

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