10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

	(Mark One)
☒	QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2022

OR

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

For the transition period from ____________ to ____________

Commission File Number 001-34855

WHITESTONE REIT

(Exact Name of Registrant as Specified in Its Charter)

Maryland	76-0594970
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

2600 South Gessner,	Suite 500	77063
Houston,	Texas
(Address of Principal Executive Offices)		(Zip Code)

(713) 827-9595

(Registrant’s Telephone Number, Including Area Code)

N/A

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

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, par value $0.001 per share	WSR	New York Stock Exchange
Preferred Stock Purchase Rights	N/A	New York Stock Exchange

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, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Small 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

As of May 5, 2022, there were 49,146,826 common shares of beneficial interest, $0.001 par value per share, outstanding.

PART I - FINANCIAL INFORMATION

Item 1.	Financial Statements.	1
	Consolidated Balance Sheets as of March 31, 2022 (Unaudited) and December 31, 2021	1
	Consolidated Statements of Operations and Comprehensive Income (Unaudited) for the Three Months Ended March 31, 2022 and 2021	3
	Consolidated Statements of Changes in Equity (Unaudited) for the Three Months Ended March 31, 2022 and 2021	6
	Consolidated Statements of Cash Flows (Unaudited) for the Three Months Ended March 31, 2022 and 2021	7
	Notes to Consolidated Financial Statements (Unaudited)	9
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations.	29
Item 3.	Quantitative and Qualitative Disclosures About Market Risk.	49
Item 4.	Controls and Procedures.	49

PART II - OTHER INFORMATION

Item 1.	Legal Proceedings.	51
Item 1A.	Risk Factors.	51
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds.	51
Item 3.	Defaults Upon Senior Securities.	51
Item 4.	Mine Safety Disclosures.	52
Item 5.	Other Information.	52
Item 6.	Exhibits.	52
	Exhibit Index	53
	Signatures	54

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements.

Whitestone REIT and Subsidiaries

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share data)

	March 31, 2022		December 31, 2021
	(unaudited)
ASSETS
Real estate assets, at cost
Property	$	1,200,191	$	1,196,919
Accumulated depreciation	(197,713)		(190,333)
Total real estate assets	1,002,478		1,006,586
Investment in real estate partnership	34,868		34,588
Cash and cash equivalents	11,136		15,721
Restricted cash	120		193
Escrows and acquisition deposits	9,449		11,323
Accrued rents and accounts receivable, net of allowance for doubtful accounts	23,936		22,395
Receivable due from related party	1,011		847
Unamortized lease commissions, legal fees and loan costs	8,458		8,442
Prepaid expenses and other assets(1)	3,545		1,995
Total assets	$	1,095,001	$	1,102,090
LIABILITIES AND EQUITY
Liabilities:
Notes payable	$	643,876	$	642,842
Accounts payable and accrued expenses(2)	31,009		45,777
Payable due to related party	1,207		997
Tenants' security deposits	8,093		8,070
Dividends and distributions payable	5,990		5,366
Total liabilities	690,175		703,052
Commitments and contingencies:	—		—
Equity:
Preferred shares, $0.001 par value per share; 50,000,000 shares authorized; none issued and outstanding as of March 31, 2022 and December 31, 2021	—		—
Common shares, $0.001 par value per share; 400,000,000 shares authorized; 49,146,223 and 49,144,153 issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	48		48
Additional paid-in capital	622,064		623,462
Accumulated deficit	(222,792)		(223,973)
Accumulated other comprehensive loss	(860)		(6,754)
Total Whitestone REIT shareholders' equity	398,460		392,783
Noncontrolling interest in subsidiary	6,366		6,255
Total equity	404,826		399,038
Total liabilities and equity	$	1,095,001	$	1,102,090

See accompanying notes to Consolidated Financial Statements.

1

Whitestone REIT and Subsidiaries

CONSOLIDATED BALANCE SHEETS

(in thousands)

	March 31, 2022		December 31, 2021
	(unaudited)
(1) Operating lease right of use assets (net)	$	205	$	222
(2) Operating lease liabilities	$	210	$	231

See accompanying notes to Consolidated Financial Statements.

2

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(Unaudited)

(in thousands)

	Three Months Ended March 31,
	2022		2021
Revenues
Rental(1)	$	33,808	$	28,695
Management, transaction, and other fees	315		350
Total revenues	34,123		29,045
Operating expenses
Depreciation and amortization	7,910		7,013
Operating and maintenance	5,725		4,839
Real estate taxes	4,367		4,038
General and administrative	3,049		5,634
Total operating expenses	21,051		21,524
Other expenses (income)
Interest expense	6,061		6,132
(Gain) loss on sale or disposal of assets, net	15		(1)
Interest, dividend and other investment income	(14)		(49)
Total other expenses	6,062		6,082
Income before equity investment in real estate partnership and income tax	7,010		1,439
Equity in earnings of real estate partnership	280		89
Provision for income tax	(101)		(87)
Net income	7,189		1,441
Less: Net income attributable to noncontrolling interests	111		26
Net income attributable to Whitestone REIT	$	7,078	$	1,415

See accompanying notes to Consolidated Financial Statements.

3

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(Unaudited)

(in thousands, except per share data)

	Three Months Ended March 31,
	2022		2021
Basic Earnings Per Share:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03
Diluted Earnings Per Share:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03
Weighted average number of common shares outstanding:
Basic	49,145		42,495
Diluted	50,306		43,331
Consolidated Statements of Comprehensive Income
Net income	$	7,189	$	1,441
Other comprehensive income
Unrealized gain on cash flow hedging activities	5,986		2,221
Comprehensive income	13,175		3,662
Less: Net income attributable to noncontrolling interests	111		26
Less: Comprehensive income attributable to noncontrolling interests	92		41
Comprehensive income attributable to Whitestone REIT	$	12,972	$	3,595

See accompanying notes to Consolidated Financial Statements.

4

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(Unaudited)

(in thousands)

	Three Months Ended March 31,
	2022		2021
(1) Rental
Rental revenues	$	24,844	$	21,626
Recoveries	9,337		7,598
Bad debt	(373)		(529)
Total rental	$	33,808	$	28,695

See accompanying notes to Consolidated Financial Statements.

5

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

(in thousands)

								Accumulated
				Additional				Other		Total		Noncontrolling
	Common Shares			Paid-In		Accumulated		Comprehensive		Shareholders’		Interests			Total
	Shares	Amount		Capital		Deficit		Gain (Loss)		Equity		Units	Dollars		Equity
Balance, December 31, 2021	49,144	$	48	$	623,462	$	(223,973)	$	(6,754)	$	392,783	771	$	6,255	$	399,038
Exchange of noncontrolling interest OP units for common shares	1	—		—		—		—		—		(1)	—		—
Issuance of common shares - ATM Program, net of offering costs	—	—		—		—		—		—		—	—		—
Exchange offer costs	—	—		—		—		—		—		—	—		—
Issuance of shares under dividend reinvestment plan	1	—		15		—		—		15		—	—		15
Repurchase of common shares (1)	—	—		—		—		—		—		—	—		—
Share-based compensation	—	—		(1,413)		—		—		(1,413)		—	—		(1,413)
Distributions - $0.1075 per common share / OP unit	—	—		—		(5,897)		—		(5,897)		—	(92)		(5,989)
Unrealized gain on change in value of cash flow hedge	—	—		—		—		5,894		5,894		—	92		5,986
Net income	—	—		—		7,078		—		7,078		—	111		7,189
Balance, March 31, 2022	49,146	$	48	$	622,064	$	(222,792)	$	(860)	$	398,460	770	$	6,366	$	404,826

See accompanying notes to Consolidated Financial Statements

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

(in thousands)

								Accumulated
				Additional				Other		Total		Noncontrolling
	Common Shares			Paid-In		Accumulated		Comprehensive		Shareholders’		Interests			Total
	Shares	Amount		Capital		Deficit		Gain (Loss)		Equity		Units	Dollars		Equity
Balance, December 31, 2020	42,391	$	42	$	562,250	$	(215,809)	$	(14,400)	$	332,083	773	$	6,243	$	338,326
Exchange of noncontrolling interest OP units for common shares	—	—		—		—		—		—		—	—		—
Issuance of common shares - ATM Program, net of offering costs	—	—		—		—		—		—		—	—		—
Exchange offer costs	—	—		—		—		—		—		—	—		—
Issuance of shares under dividend reinvestment plan	2	—		15		—		—		15		—	—		15
Repurchase of common shares (1)	(37)	—		(324)		—		—		(324)		—	—		(324)
Share-based compensation	223	1		1,397		—		—		1,398		—	—		1,398
Distributions - $0.1075 per common share / OP unit	—	—		—		(4,622)		—		(4,622)		—	(83)		(4,705)
Unrealized gain on change in value of cash flow hedge	—	—		—		—		2,180		2,180		—	41		2,221
Net income	—	—		—		1,415		—		1,415		—	26		1,441
Balance, March 31, 2021	42,579	$	43	$	563,338	$	(219,016)	$	(12,220)	$	332,145	773	$	6,227	$	338,372

(1)    The Company acquired common shares held by employees who tendered owned common shares to satisfy the tax withholding on the lapse of certain restrictions on restricted common shares.

See accompanying notes to Consolidated Financial Statements.

6

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(in thousands)

	Three Months Ended March 31,
	2022		2021
Cash flows from operating activities:
Net income	$	7,189	$	1,441
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,911		7,013
Amortization of deferred loan costs	274		274
(Gain) loss on sale or disposal of assets, net	15		(1)
Bad debt	372		529
Share-based compensation	(1,413)		1,398
Equity in earnings of real estate partnership	(280)		(89)
Changes in operating assets and liabilities:
Escrows and acquisition deposits	1,874		2,352
Accrued rents and accounts receivable	(1,913)		(829)
Receivable due from related party	(164)		(396)
Unamortized lease commissions, legal fees and loan costs	(697)		(844)
Prepaid expenses and other assets	295		611
Accounts payable and accrued expenses	(8,781)		(7,534)
Payable due to related party	210		35
Tenants' security deposits	23		143
Net cash provided by operating activities	4,915		4,103
Cash flows from investing activities:
Additions to real estate	(3,359)		(1,528)
Net cash used in investing activities	(3,359)		(1,528)
Cash flows from financing activities:
Distributions paid to common shareholders	(5,268)		(4,480)
Distributions paid to OP unit holders	(83)		(82)
Repayments of notes payable	(863)		(719)
Repurchase of common shares	—		(324)
Net cash used in financing activities	(6,214)		(5,605)
Net decrease in cash, cash equivalents and restricted cash	(4,658)		(3,030)
Cash, cash equivalents and restricted cash at beginning of period	15,914		25,956
Cash, cash equivalents and restricted cash at end of period (1)	$	11,256	$	22,926

(1)     For a reconciliation of cash, cash equivalents and restricted cash, see supplemental disclosures below.

See accompanying notes to Consolidated Financial Statements.

7

Whitestone REIT and Subsidiaries

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(in thousands)

	Three Months Ended March 31,
	2022		2021
Supplemental disclosure of cash flow information:
Cash paid for interest	$	5,772	$	5,936
Non cash investing and financing activities:
Disposal of fully depreciated real estate	$	20	$	3
Financed insurance premiums	$	1,846	$	1,712
Value of shares issued under dividend reinvestment plan	$	15	$	15
Change in fair value of cash flow hedge	$	5,986	$	2,221

	March 31,
	2022		2021
Cash, cash equivalents and restricted cash
Cash and cash equivalents	$	11,136	$	22,820
Restricted cash	120		106
Total cash, cash equivalents and restricted cash	$	11,256	$	22,926

See accompanying notes to Consolidated Financial Statements.

8

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The use of the words “we,” “us,” “our,” “Company” or “Whitestone” refers to Whitestone REIT and our consolidated subsidiaries, except where the context otherwise requires.

1.  INTERIM FINANCIAL STATEMENTS

The consolidated financial statements included in this report are unaudited; however, amounts presented in the consolidated balance sheet as of December 31, 2021 are derived from our audited consolidated financial statements as of that date.  The unaudited consolidated financial statements as of and for the period ended March 31, 2022 have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information on a basis consistent with the annual audited consolidated financial statements and with the instructions to Form 10-Q.

The consolidated financial statements presented herein reflect all adjustments which, in the opinion of management, are necessary for a fair presentation of the financial position of Whitestone and our subsidiaries as of March 31, 2022 and December 31, 2021, and the results of operations for the three month periods ended March 31, 2022 and 2021, the consolidated statements of changes in equity for the three month periods ended March 31, 2022 and 2021 and cash flows for the three month periods ended March 31, 2022 and 2021.  All of these adjustments are of a normal recurring nature.  The results of operations for the interim periods are not necessarily indicative of the results expected for a full year.  The statements should be read in conjunction with the audited consolidated financial statements and the notes thereto which are included in our Annual Report on Form 10-K for the year ended December 31, 2021.

Business.  Whitestone was formed as a real estate investment trust (“REIT”) pursuant to the Texas Real Estate Investment Trust Act on August 20, 1998.  In July 2004, we changed our state of organization from Texas to Maryland pursuant to a merger where we merged directly with and into a Maryland REIT formed for the sole purpose of the reorganization and the conversion of each of the outstanding common shares of beneficial interest of the Texas entity into 1.42857 common shares of beneficial interest of the Maryland entity.  We serve as the general partner of Whitestone REIT Operating Partnership, L.P. (the “Operating Partnership”), which was formed on December 31, 1998 as a Delaware limited partnership.  We currently conduct substantially all of our operations and activities through the Operating Partnership.  As the general partner of the Operating Partnership, we have the exclusive power to manage and conduct the business of the Operating Partnership, subject to certain customary exceptions.  As of March 31, 2022 and December 31, 2021, Whitestone wholly owned 60 commercial properties in and around Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio.

As of March 31, 2022, these properties consist of:

Consolidated Operating Portfolio

•53 wholly owned properties that meet our Community Centered Properties® strategy; and

Redevelopment, New Acquisitions Portfolio

•two wholly owned properties, Lakeside Market and Anderson Arbor, that meet our Community Centered Properties® strategy containing approximately 0.2 and 0.1 million square feet of GLA and having a total carrying amount (net of accumulated depreciation) of $52.8 and $28.0 million, respectively.

•five parcels of land held for future development.

As of March 31, 2022, we, through our investment in Pillarstone Capital REIT Operating Partnership LP (“Pillarstone” or “Pillarstone OP”), owned a majority interest in eight properties that do not meet our Community Centered Property® strategy containing approximately 0.9 million square feet of GLA (the “Pillarstone Properties”). We own 81.4% of the total outstanding units of Pillarstone OP, which we account for using the equity method. We also manage the day-to-day operations of Pillarstone OP.

The global health crisis caused by COVID-19 and the related responses intended to control its spread may continue to adversely affect business activity, particularly relating to our retail tenants, across the markets in which we operate. In light of the changing nature of the COVID-19 pandemic, we are unable to predict the extent that its impact will have on our financial condition, results of operations and cash flows.

9

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Consolidation.  We are the sole general partner of the Operating Partnership and possess full legal control and authority over the operations of the Operating Partnership. As of March 31, 2022 and December 31, 2021, we owned a majority of the partnership interests in the Operating Partnership. Consequently, the accompanying consolidated financial statements include the accounts of the Operating Partnership.

Noncontrolling interest in the accompanying consolidated financial statements represents the share of equity and earnings of the Operating Partnership allocable to holders of partnership interests other than us. Net income or loss is allocated to noncontrolling interests based on the weighted-average percentage ownership of the Operating Partnership during the period. Issuance of additional common shares of beneficial interest in Whitestone (the “common shares”) and units of limited partnership interest in the Operating Partnership that are convertible into cash or, at our option, common shares on a one-for-one basis (the “OP units”) changes the percentage of ownership interests of both the noncontrolling interests and Whitestone.

Equity Method. In accordance with ASU 2014-09 (“Topic 606”) and ASC 610, “Other Income-Gains and Losses from the Derecognition of Nonfinancial Assets,” the Company recognizes its investment in Pillarstone OP under the equity method.

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of Estimates.   The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the grant date fair value of common share units included in share-based compensation expense, the estimated allowance for doubtful accounts, the estimated fair value of interest rate swaps and the estimates supporting our impairment analysis for the carrying values of our real estate assets.  Actual results could differ from those estimates. In particular, the COVID-19 pandemic has adversely impacted and is likely to further adversely impact the Company’s business and markets, including the Company’s operations and the operations of its tenants. The full extent to which the pandemic will directly or indirectly impact the Company’s business, results of operations and financial condition, including revenues, expenses, reserves and allowances, fair value measurements, and asset impairment charges, will depend on future developments that are highly uncertain and difficult to predict. These developments include, but are not limited to, the duration and spread of the pandemic, its severity in our markets and elsewhere, the impact on our tenants’ businesses and financial condition, governmental actions to contain the spread of the pandemic and respond to the reduction in global economic activity, and how quickly and to what extent normal economic and operating conditions can resume.

Reclassifications.  We have reclassified certain prior period amounts in the accompanying consolidated financial statements in order to be consistent with the current period presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity.

Restricted Cash. We classify all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. During 2015, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (see Note 7 (Debt)), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note.

Derivative Instruments and Hedging Activities. We utilize derivative financial instruments, principally interest rate swaps, to manage our exposure to fluctuations in interest rates. We have established policies and procedures for risk assessment, and the approval, reporting and monitoring of derivative financial instruments. We recognize our interest rate swaps as cash flow hedges with the effective portion of the changes in fair value recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. Any ineffective portion of a cash flow hedges’ change in fair value is recorded immediately into earnings. Our cash flow hedges are determined using Level 2 inputs under ASC 820, “Fair Value Measurements and Disclosures.” Level 2 inputs represent quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable. As of March 31, 2022, we consider our cash flow hedges to be highly effective.

10

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Development Properties. Land, buildings and improvements are recorded at cost. Expenditures related to the development of real estate are carried at cost which includes capitalized carrying charges and development costs. Carrying charges (interest, real estate taxes, loan fees, and direct and indirect development costs related to buildings under construction), are capitalized as part of construction in progress. The capitalization of such costs ceases when the property, or any completed portion, becomes available for occupancy. For the three months ended March 31, 2022, approximately $99,000 and $75,000 in interest expense and real estate taxes, respectively, were capitalized. For the three months ended March 31, 2021, approximately $102,000 and $79,000 in interest expense and real estate taxes, respectively, were capitalized.

Share-Based Compensation.   From time to time, we grant nonvested restricted common share awards or restricted common share unit awards, which may be converted into common shares, to executive officers and employees under our 2018 Long-Term Equity Incentive Ownership Plan (the “2018 Plan”).  Awarded shares and units vest when certain performance conditions are met.  We recognize compensation expense when achievement of the performance conditions is probable based on management’s most recent estimates using the fair value of the shares as of the grant date.  We recognized $(1,329,000) and $1,468,000 in share-based compensation net of forfeitures for the three months ended March 31, 2022 and 2021, respectively. On January 18, 2022, the Board of Trustees terminated James Mastandrea, with cause, from his position as Chief Executive Officer. Mr. Mastandrea was also replaced as Chairman of the Board. Following his termination, the Board of Trustees appointed Dave Holeman, previously our Chief Financial Officer, as Chief Executive Officer. The Company also recently replaced its Chief Operating Officer and Executive Vice President of Acquisitions and Asset Management. As a result of these changes, we recognized a reduction of share-based compensation of $2.2 million during the three months ended March 31, 2022 due to forfeitures. We recognize forfeitures as they occur.

Noncontrolling Interests.  Noncontrolling interests are the portion of equity in a subsidiary not attributable to a parent. Accordingly, we have reported noncontrolling interests in equity on the consolidated balance sheets but separate from Whitestone’s equity.  On the consolidated statements of operations and comprehensive income, subsidiaries are reported at the consolidated amount, including both the amount attributable to Whitestone and noncontrolling interests.  The consolidated statements of changes in equity is included for quarterly financial statements, including beginning balances, activity for the period and ending balances for shareholders’ equity, noncontrolling interests and total equity.

Accrued Rents and Accounts Receivable. Included in accrued rents and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. We review the collectability of charges under our tenant operating leases on a regular basis, taking into consideration changes in factors such as the tenant’s payment history, the financial condition of the tenant, business conditions in the industry in which the tenant operates and economic conditions in the area where the property is located, including the impact of the COVID-19 pandemic on tenants’ businesses and financial condition. We recognize an adjustment to rental revenue if we deem it probable that the receivable will not be collected. Our review of collectability under our operating leases includes any accrued rental revenues related to the straight-line method of reporting rental revenue. As of March 31, 2022 and December 31, 2021, we had an allowance for uncollectible accounts of $15.3 million and $14.9 million, respectively. During the three months ending March 31, 2022 and 2021, we recorded an adjustment to rental revenue for bad debt, exclusive of straight-line rent reserve adjustments, in the amount of a $0.4 million decrease to revenue and a $0.5 million decrease to revenue, respectively. The three months ended March 31, 2022 included 77 cash basis tenants, resulting in decreases to rental revenue for bad debt and straight-line rent adjustments of $0.23 million and $0.4 million, respectively, and the three months ended March 31, 2021 included 67 cash basis tenants, resulting in decreases to rental revenue for bad debt and straight-line rent adjustments of $0.5 million and $0.1 million, respectively.

Revenue Recognition. All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We combine lease and nonlease components in lease contracts, which includes combining base rent, recoveries, and percentage rents into a single line item, Rental, within the consolidated statements of operations and comprehensive income. Additionally, we have tenants who pay real estate taxes directly to the taxing authority. We exclude these costs paid directly by the tenant to third parties on our behalf from revenue recognized and the associated property operating expense.

11

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Other property income primarily includes amounts recorded in connection with management fees and lease termination fees. Pillarstone OP pays us management fees for property management, leasing and day-to-day advisory and administrative services. Their obligations are satisfied over time. Pillarstone OP is billed monthly and typically pays quarterly. Revenues are governed by the Management Agreements (as defined in Note 6 (Investment in Real Estate Partnership)). Refer to Note 6 (Investment in Real Estate Partnership) for additional information regarding the Management Agreements with Pillarstone OP. Additionally, we recognize lease termination fees in the year that the lease is terminated and collection of the fee is probable. Amounts recorded within other property income are accounted for at the point in time when control of the goods or services transfers to the customer and our performance obligation is satisfied.

See our Annual Report on Form 10-K for the year ended December 31, 2021 for further discussion on significant accounting policies.

Recent Accounting Pronouncements. In April 2020, the FASB issued guidance on the application of Topic 842, relating to concessions being made by lessors in response to the COVID-19 pandemic. The guidance notes that it would be acceptable for entities to make an election to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed, even if such enforceable rights and obligations are not explicitly contained in the lease contract. Thus, for concessions relating to the COVID-19 pandemic, an entity would not have to analyze each contract to determine whether enforceable rights and obligations for concessions exist in the contract, and would have the option to apply, or not to apply, the general lease modification guidance in Topic 842 as it stands. We have elected this option to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed. Therefore, such concessions are not accounted for as a lease modification under Topic 842.

3.  LEASES

As a Lessor. All leases on our properties are classified as noncancelable operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We combine lease and nonlease components in lease contracts, which includes combining base rent, recoveries, and percentage rents into a single line item, Rental, within the consolidated statements of operations and comprehensive income.

A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, contingent rents, and collectability adjustments under Topic 842) under noncancelable operating leases in existence as of March 31, 2022 is as follows (in thousands):

Years Ended December 31,	Minimum Future Rents(1)
2022 (remaining)	$	70,547
2023	85,238
2024	71,462
2025	55,060
2026	40,249
Thereafter	117,717
Total	$	440,273

(1) These amounts do not reflect future rental revenues from the renewal or replacement of existing leases and exclude reimbursements of operating expenses and rental increases that are not fixed.

12

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

As a Lessee. We have office space, automobile, and office machine leases, which qualify as operating leases, with remaining lease terms of one to three years.

The following table summarizes the fixed, future minimum rental payments, excluding variable costs, which are discounted by our weighted average incremental borrowing rates to calculate the lease liabilities for our operating leases in which we are the lessee (in thousands):

Years Ended December 31,	March 31, 2022
2022 (remaining)	$	86
2023	65
2024	43
2025	28
2026	1
Thereafter	—
Total undiscounted rental payments	223
Less imputed interest	13
Total lease liabilities	$	210

For the three months ended March 31, 2022 and 2021, the total lease costs were $229,000 and $257,000, respectively. The weighted average remaining lease term for our operating leases was 2.9 years at March 31, 2022. We do not include renewal options in the lease term for calculating the lease liability unless we are reasonably certain we will exercise the option or the lessor has the sole ability to exercise the option. The weighted average incremental borrowing rate was 4.5% at March 31, 2022.

4. ACCRUED RENTS AND ACCOUNTS RECEIVABLE, NET

Accrued rents and accounts receivable, net consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands):

	March 31, 2022		December 31, 2021
Tenant receivables	$	18,678	$	18,410
Accrued rents and other recoveries	20,119		18,681
Allowance for doubtful accounts	(15,346)		(14,896)
Other receivables	485		200
Total	$	23,936	$	22,395

13

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

5. UNAMORTIZED LEASE COMMISSIONS, LEGAL FEES AND LOAN COSTS

Costs which have been deferred consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Leasing commissions	$	13,948	$	13,341
Deferred legal cost	391		365
Deferred financing cost	3,898		3,898
Total cost	18,237		17,604
Less: leasing commissions accumulated amortization	(6,691)		(6,305)
Less: deferred legal cost accumulated amortization	(257)		(248)
Less: deferred financing cost accumulated amortization	(2,831)		(2,609)
Total cost, net of accumulated amortization	$	8,458	$	8,442

6. INVESTMENT IN REAL ESTATE PARTNERSHIP

On December 8, 2016, we, through our Operating Partnership, entered into a Contribution Agreement (the “Contribution Agreement”) with Pillarstone OP and Pillarstone Capital REIT (“Pillarstone REIT”) pursuant to which we contributed all of the equity interests in four of our wholly-owned subsidiaries that, at the time, owned 14 non-core properties that did not fit our Community Centered Property® strategy (the “Pillarstone Properties”), to Pillarstone OP for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP (“Pillarstone OP Units”) and (2) the assumption of approximately $65.9 million of liabilities (collectively, the “Contribution”).

In connection with the Contribution, Whitestone TRS, Inc., a subsidiary of the Company (“Whitestone TRS”), entered into a management agreement with the entities that own the contributed Pillarstone Properties (collectively, the “Management Agreements”). Pursuant to the Management Agreements, Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services in exchange for (x) a monthly property management fee equal to 5.0% of the monthly revenues of such Pillarstone Property and (y) a monthly asset management fee equal to 0.125% of GAV of such Pillarstone Property, with the exception of Uptown Tower, in which case services to Pillarstone OP are provided in exchange for (x) a monthly property management fee equal to 3.0% of the monthly revenues of Uptown Tower and (y) a monthly asset management fee equal to 0.125% of GAV of Uptown Tower. The Management Agreements are automatically renewable on a month to month basis; provided that each Management Agreement can be terminated by either party thereto upon not less than thirty days’ prior written notice to the other party. None of the Management Agreements had been terminated as of March 31, 2022.

In connection with the Contribution, on December 8, 2016, the Operating Partnership entered into a Tax Protection Agreement with Pillarstone REIT and Pillarstone OP pursuant to which Pillarstone OP agreed to indemnify the Operating Partnership for certain tax liabilities resulting from its recognition of income or gain prior to December 8, 2021 if such liabilities result from a transaction involving a direct or indirect taxable disposition of all or a portion of the Pillarstone Properties or if Pillarstone OP fails to maintain and allocate to the Operating Partnership for taxation purposes minimum levels of liabilities as specified in the Tax Protection Agreement, the result of which causes such recognition of income or gain and the Company incurs taxes that must be paid to maintain its REIT status for federal income tax purposes.

14

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The table below presents the real estate partnership investment in which the Company holds an ownership interest (in thousands):

		Company’s Investment as of
		March 31, 2022		December 31, 2021
Real estate partnership	Ownership Interest
Pillarstone OP(1)	81.4%	$	34,868	$	34,588
Total real estate partnership(2)(3)		$	34,868	$	34,588

(1) The Company manages these real estate partnership investments and, where applicable, earns acquisition fees, leasing commissions, property management fees, and asset management fees.

(2) Representing eight property interests and 926,798 square feet of GLA, as of March 31, 2022 and December 31, 2021.

(3) On December 26, 2021, the Board of Trustees of Pillarstone REIT adopted a new rights agreement (the “Pillarstone Rights Agreement”), pursuant to which each holder of Pillarstone REIT common stock received one preferred share purchase right (a “Right”) per common share held as of the applicable record date. Each Right entitles the registered holder to purchase from Pillarstone REIT one one-thousandth (a “Unit”) of a series D preferred share of Pillarstone at a purchase price (“Purchase Price”) of $7.00 per Unit, subject to adjustment. The Rights are exercisable upon the occurrence of certain events as described in the Pillarstone Rights Agreement, including the acquisition by certain holders of 5% or more of the common shares of Pillarstone REIT (an “Acquiring Person”). Upon the acquisition of Pillarstone REIT common shares by an Acquiring Person, each holder of a Right (other than an Acquiring Person), will have the right to receive upon exercise a number of Pillarstone REIT common shares having a market value of two times the Purchase Price. As set forth in the Amended and Restated Limited Partnership Agreement of Pillarstone OP, dated as of December 8, 2016 (the “Pillarstone Partnership Agreement”), we have the contractual right to have our limited partnership interests in Pillarstone redeemed at our discretion. However, upon receipt of a redemption notice, Pillarstone OP has the option of the applicable redemption price in cash, based on the market value of Pillarstone REIT common shares, or in Pillarstone REIT common shares. To the extent we seek to have our partnership units in Pillarstone OP redeemed and Pillarstone OP elects to pay the applicable redemption price in Pillarstone REIT common shares (and such shares represent 5% or more of the outstanding common shares of Pillarstone REIT), the Rights could become exercisable. To the extent the Rights are exercised as a result of our Pillarstone OP units being redeemed for Pillarstone REIT common shares, our ownership interest in Pillarstone REIT would be significantly diluted, which could adversely impact the value of our investment in Pillarstone OP. While we do not believe the overall impact of the Pillarstone Rights Agreement on the value of our investment in Pillarstone OP is material, we cannot reasonably estimate a range of possible loss at this time.

The table below presents the Company’s share of net income from its investment in the real estate partnership which is included in equity in earnings of real estate partnership, net on the Company’s consolidated statements of operations and comprehensive income (in thousands):

	Three Months Ended March 31,
	2022		2021
Pillarstone OP	$	280	$	89

15

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Summarized financial information for the Company’s investment in real estate partnership is as follows (in thousands):

	March 31, 2022		December 31, 2021
Assets:
Real estate, net	$	48,226	$	48,273
Other assets	8,882		8,790
Total assets	57,108		57,063
Liabilities and equity:
Notes payable	15,129		14,920
Other liabilities	2,659		3,200
Equity	39,320		38,943
Total liabilities and equity	57,108		57,063
Company’s share of equity	32,025		31,718
Cost of investment in excess of the Company’s share of underlying net book value	2,843		2,870
Carrying value of investment in real estate partnership	$	34,868	$	34,588

	Three Months Ended March 31,
	2022		2021
Revenues	$	2,326	$	2,190
Operating expenses	(1,605)		(1,707)
Other expenses	(344)		(348)
Net income	$	377	$	135

The amortization of the basis difference between the cost of investment and the Company's share of underlying net book value for both of the three months periods ended March 31, 2022 and 2021 is $27,000. The Company amortized the difference into equity in earnings of real estate partnership on the consolidated statements of operations and comprehensive income.

The Company has evaluated its guarantee to Pillarstone OP pursuant to ASC 460, “Guarantees,” and has determined the guarantee to be a performance guarantee, for which ASC 460 contains initial recognition and measurement requirements, and related disclosure requirements. The Company is obligated in two respects: (i) a noncontingent liability, which represents the Company’s obligation to stand ready to perform under the terms of the guarantee in the event that the specified triggering event(s) occur; and (ii) the contingent liability, which represents the Company’s obligation to make future payments if those triggering events occur. The fair value of our loan guarantee to Pillarstone OP is estimated on a Level 3 basis (as provided by ASC 820), using a probability-weighted discounted cash flow analysis based on a discount rate, discounting the loan balance. The Company recognized a noncontingent liability of $462,000 at the inception of the guarantee at fair value which is recorded on the Company’s consolidated balance sheets, net of accumulated amortization. The Company will amortize the guarantee liability into income over seven years. For the three months ended March 31, 2022 and 2021, the amortization of the guarantee liability was approximately $9,000 and $10,000, respectively.

16

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

7. DEBT

Certain subsidiaries of Whitestone are the borrowers under various financing arrangements. These subsidiaries are separate legal entities, and their respective assets and credit are not available to satisfy the debt of Whitestone or any of its other subsidiaries.

Debt consisted of the following as of the dates indicated (in thousands):

Description	March 31, 2022		December 31, 2021
Fixed rate notes
$100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 30, 2022 (1)	$	100,000	$	100,000
$165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 (2)	165,000		165,000
$80.0 million, 3.72% Note, due June 1, 2027	80,000		80,000
$19.0 million 4.15% Note, due December 1, 2024	18,272		18,358
$20.2 million 4.28% Note, due June 6, 2023	17,699		17,808
$14.0 million 4.34% Note, due September 11, 2024	12,910		12,978
$14.3 million 4.34% Note, due September 11, 2024	13,708		13,773
$15.1 million 4.99% Note, due January 6, 2024	13,838		13,907
$2.6 million 5.46% Note, due October 1, 2023	2,275		2,289
$50.0 million, 5.09% Note, due March 22, 2029	50,000		50,000
$50.0 million, 5.17% Note, due March 22, 2029	50,000		50,000
$1.8 million 3.15% Note, due November 28, 2022	1,394		—
Floating rate notes
Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023	119,500		119,500
Total notes payable principal	644,596		643,613
Less deferred financing costs, net of accumulated amortization	(720)		(771)
Total notes payable	$	643,876	$	642,842

(1)    Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 (as defined below) at 1.73%.

(2)    Promissory note includes an interest rate swap that fixed the LIBOR portion of the interest rate at an average rate of 2.24% for the duration of the term through January 31, 2024.

A number of our current debt agreements have an interest rate tied to LIBOR. Some of these agreements provide procedures for determining an alternative base rate in the event that LIBOR is discontinued, but not all do so. Regardless, there can be no assurances as to what alternative base rates may be and whether such base rate will be more or less favorable than LIBOR and any other unforeseen impacts of the discontinuation of LIBOR. The Company is monitoring the developments with respect to the phasing out of LIBOR after 2021 and working with its lenders to ensure any transition away from LIBOR will have minimal impact on its financial condition, but can provide no assurances regarding the impact of the discontinuation of LIBOR.

On March 22, 2019, we, through our Operating Partnership, entered into a Note Purchase and Guarantee Agreement (the “Note Agreement”) together with certain subsidiary guarantors as initial guarantor parties thereto (the “Subsidiary Guarantors”) and The Prudential Insurance Company of America and the various other purchasers named therein (collectively, the “Purchasers”) providing for the issuance and sale of $100 million of senior unsecured notes of the Operating Partnership, of which (i) $50 million are designated as 5.09% Series A Senior Notes due March 22, 2029 (the “Series A Notes”) and (ii) $50 million are designated as 5.17% Series B Senior Notes due March 22, 2029 (the “Series B Notes” and, together with the Series A Notes, the “Notes”) pursuant to a private placement that closed on March 22, 2019 (the “Private Placement”). Obligations under the Notes are unconditionally guaranteed by the Company and by the Subsidiary Guarantors.

17

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The principal of the Series A Notes will begin to amortize on March 22, 2023 with annual principal payments of approximately $7.1 million. The principal of the Series B Notes will begin to amortize on March 22, 2025 with annual principal payments of $10.0 million. The Notes will pay interest quarterly on the 22nd day of March, June, September and December in each year until maturity.

The Operating Partnership may prepay at any time all, or from time to time part of, the Notes, in an amount not less than $1,000,000 in the case of a partial prepayment, at 100% of the principal amount so prepaid, plus a make-whole amount. The make-whole amount is equal to the excess, if any, of the discounted value of the remaining scheduled payments with respect to the Notes being prepaid over the aggregate principal amount of such Notes (as described in the Note Agreement). In addition, in connection with a Change of Control (as defined in the Note Purchase Agreement), the Operating Partnership is required to offer to prepay the Notes at 100% of the principal amount plus accrued and unpaid interest thereon.

The Note Agreement contains representations, warranties, covenants, terms and conditions customary for transactions of this type and substantially similar to the Operating Partnership’s existing senior revolving credit facility, including limitations on liens, incurrence of investments, acquisitions, loans and advances and restrictions on dividends and certain other restricted payments. In addition, the Note Agreement contains certain financial covenants substantially similar to the Operating Partnership’s existing senior revolving credit facility, including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

In addition, the Note Agreement contains a financial covenant requiring that maximum unsecured debt not exceed the lesser of (i) an amount equal to 60% of the aggregate unencumbered asset value and (ii) the debt service coverage amount (as described in the Note Agreement). That covenant is substantially similar to the borrowing base concept contained in the Operating Partnership’s existing senior revolving credit facility.

The Note Agreement also contains default provisions, including defaults for non-payment, breach of representations and warranties, insolvency, non-performance of covenants, cross-defaults with other indebtedness and guarantor defaults. The occurrence of an event of default under the Note Agreement could result in the Purchasers accelerating the payment of all obligations under the Notes. The financial and restrictive covenants and default provisions in the Note Agreement are substantially similar to those contained in the Operating Partnership’s existing credit facility.

Net proceeds from the Private Placement were used to refinance existing indebtedness. The Notes have not been and will not be registered under the Securities Act of 1933, as amended (the “Securities Act”), and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. The Notes were sold in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act.

On January 31, 2019, we, through our Operating Partnership, entered into an unsecured credit facility (the “2019 Facility”) with the lenders party thereto, Bank of Montreal, as administrative agent (the “Agent”), SunTrust Robinson Humphrey, as syndication agent, and BMO Capital Markets Corp., U.S. Bank National Association, SunTrust Robinson Humphrey and Regions Capital Markets, as co-lead arrangers and joint book runners. The 2019 Facility amended and restated the 2018 Facility (as defined below).

The 2019 Facility is comprised of the following three tranches:

•$250.0 million unsecured revolving credit facility with a maturity date of January 1, 2023 (the “2019 Revolver”);

18

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

•$165.0 million unsecured term loan with a maturity date of January 31, 2024 (“Term Loan A”); and

•$100.0 million unsecured term loan with a maturity date of October 30, 2022 (“Term Loan B” and together with Term Loan A, the “2019 Term Loans”).

Borrowings under the 2019 Facility accrue interest (at the Operating Partnership's option) at a Base Rate or an Adjusted LIBOR plus an applicable margin based upon our then existing leverage. As of March 31, 2022, the interest rate on the 2019 Revolver was 1.65%. The applicable margin for Adjusted LIBOR borrowings ranges from 1.40% to 1.90% for the 2019 Revolver and 1.35% to 1.90% for the 2019 Term Loans. Base Rate means the higher of: (a) the Agent’s prime commercial rate, (b) the sum of (i) the average rate quoted by the Agent by two or more federal funds brokers selected by the Agent for sale to the Agent at face value of federal funds in the secondary market in an amount equal or comparable to the principal amount for which such rate is being determined, plus (ii) 1/2 of 1.00%, and (c) the LIBOR rate for such day plus 1.00%. Adjusted LIBOR means LIBOR divided by one minus the Eurodollar Reserve Percentage. The Eurodollar Reserve Percentage means the maximum reserve percentage at which reserves are imposed by the Board of Governors of the Federal Reserve System on eurocurrency liabilities. Pursuant to the 2019 Facility, in the event of certain circumstances that result in the unavailability of LIBOR, including but not limited to LIBOR no longer being a widely recognized benchmark rate for newly originated dollar loans in the U.S. market, the Operating Partnership and the Agent will establish an alternate interest rate to LIBOR giving due consideration to prevailing market conventions and will amend the 2019 Facility to give effect to such alternate interest rate.

The 2019 Facility includes an accordion feature that will allow the Operating Partnership to increase the borrowing capacity by $200.0 million, upon the satisfaction of certain conditions. As of March 31, 2022, subject to any potential future paydowns or increases in the borrowing base, we have $96.2 million remaining availability under the 2019 Revolver. As of March 31, 2022, $384.5 million was drawn on the 2019 Facility and our unused borrowing capacity was $130.0 million, assuming that we use the proceeds of the 2019 Facility to acquire properties, or to repay debt on properties, that are eligible to be included in the unsecured borrowing base. The Company used $446.2 million of proceeds from the 2019 Facility to repay amounts outstanding under the 2018 Facility and intends to use the remaining proceeds from the 2019 Facility for general corporate purposes, including property acquisitions, debt repayment, capital expenditures, the expansion, redevelopment and re-tenanting of properties in its portfolio and working capital.

The Company, each direct and indirect material subsidiary of the Operating Partnership and any other subsidiary of the Operating Partnership that is a guarantor under any unsecured ratable debt will serve as a guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, customary representations and warranties and affirmative and negative covenants including, without limitation, information reporting requirements, limitations on investments, acquisitions, loans and advances, mergers, consolidations and sales, incurrence of liens, dividends and restricted payments. In addition, the 2019 Facility contains certain financial covenants including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

19

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

We serve as the guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, affirmative and negative covenants such as information reporting requirements, maximum secured indebtedness to total asset value, minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges, and maintenance of a minimum net worth. The 2019 Facility also contains customary events of default with customary notice and cure, including, without limitation, nonpayment, breach of covenant, misrepresentation of representations and warranties in a material respect, cross-default to other major indebtedness, change of control, bankruptcy and loss of REIT tax status.

As of March 31, 2022, our $158.7 million in secured debt was collateralized by seven properties with a carrying value of $245.9 million.  Our loans contain restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt and are secured by deeds of trust on certain of our properties and by assignment of the rents and leases associated with those properties. As of March 31, 2022, we were in compliance with all loan covenants.

Scheduled maturities of our outstanding debt as of March 31, 2022 were as follows (in thousands):

Year	Amount Due
2022 (remaining)	$	102,945
2023	147,363
2024	228,574
2025	17,143
2026	17,143
Thereafter	131,428
Total	$	644,596

8.  DERIVATIVES AND HEDGING ACTIVITIES

The fair value of our interest rate swaps is as follows (in thousands):

	March 31, 2022
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(873)

	December 31, 2021
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(6,860)

On January 31, 2019, we, through our Operating Partnership, entered into an interest rate swap of $115 million with Bank of Montreal that fixed the LIBOR portion of Term Loan A under the 2019 Facility at 2.43%. Pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $22.7 million of the swap to U.S. Bank, National Association, $20.5 million of the swap to Regions Bank, $27.9 million of the swap to SunTrust Bank, and $10.5 million of the swap to Associated Bank. See Note 7 (Debt) for additional information regarding the 2019 Facility. The swap began on November 9, 2020 and matured on February 8, 2021. We designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value recorded in comprehensive income.

20

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

On January 31, 2019, we, through our Operating Partnership, entered into an interest rate swap of $165 million with Bank of Montreal that fixed the LIBOR portion of Term Loan A under the 2019 Facility at 2.43%. Pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $32.6 million of the swap to U.S. Bank, National Association, $29.4 million of the swap to Regions Bank, $40.0 million of the swap to SunTrust Bank, and $15.0 million of the swap to Associated Bank. See Note 7 (Debt) for additional information regarding the 2019 Facility. The swap began on February 8, 2021 and will mature on January 31, 2024. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. The Company does not expect any amount of the existing gains or losses to be reclassified into earnings within the next 12 months.

On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 3 under the 2018 Facility at 1.73%. In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $35.0 million of the swap to U.S. Bank, National Association, and $15.0 million of the swap to SunTrust Bank. See Note 7 (Debt) for additional information regarding the 2018 Facility. The swap began on November 30, 2015 and will mature on October 28, 2022. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. The Company does not expect any amount of the existing gains or losses to be reclassified into earnings within the next 12 months.

On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 2 under the 2018 Facility at 1.50%. In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $3.8 million of the swap to Regions Bank, $6.5 million of the swap to U.S. Bank, National Association, $14.0 million of the swap to Wells Fargo Bank, National Association, $14.0 million of the swap to Bank of America, N.A., and $5.0 million of the swap to SunTrust Bank. See Note 7 (Debt) for additional information regarding the 2018 Facility. The swap began on December 7, 2015 and matured on January 29, 2021. We designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value recorded in comprehensive income.

A summary of our interest rate swap activity is as follows (in thousands):

	Amount Recognized as Comprehensive income		Location of Income (Loss) Recognized in Earnings	Amount of Income (Loss) Recognized in Earnings (1)
Three Months Ended March 31, 2022	$	5,986	Interest expense	$	(1,331)
Three Months Ended March 31, 2021	$	2,221	Interest expense	$	(1,276)

(1)    There was no ineffective portion of our interest rate swaps to recognize in earnings for the three months ended March 31, 2022 and 2021.

9.  EARNINGS PER SHARE

Basic earnings per share for our common shareholders is calculated by dividing net income excluding the net income attributable to unvested restricted common shares and the net income attributable to noncontrolling interests, by our weighted average common shares outstanding during the period.  Diluted earnings per share is computed by dividing the net income attributable to common shareholders, excluding the net income attributable to unvested restricted common shares and the net income attributable to noncontrolling interests, by the weighted average number of common shares including any dilutive unvested restricted common shares.

Certain of our performance-based restricted common shares are considered participating securities that require the use of the two-class method for the computation of basic and diluted earnings per share.  During the three months ended March 31, 2022 and 2021, 770,184 and 772,775 OP units, respectively, were excluded from the calculation of diluted earnings per share because their effect would be anti-dilutive.

21

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

	Three Months Ended March 31,
(in thousands, except per share data)	2022		2021
Numerator:
Income from continuing operations	$	7,189	$	1,441
Less: Net income attributable to noncontrolling interests	(111)		(26)
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	7,078	$	1,415
Denominator:
Weighted average number of common shares - basic	49,145		42,495
Effect of dilutive securities:
Unvested restricted shares	1,161		836
Weighted average number of common shares - dilutive	50,306		43,331
Earnings Per Share:
Basic:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03
Diluted:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03

10. INCOME TAXES

With the exception of our taxable REIT subsidiaries, federal income taxes are generally not provided because we intend to and believe we continue to qualify as a REIT under the provisions of the Internal Revenue Code of 1986, as amended (the “Code”), and because we have distributed and intend to continue to distribute all of our taxable income to our shareholders.  As a REIT, we must distribute at least 90% of our REIT taxable income to our shareholders and meet certain income sources and investment restriction requirements.  In addition, REITs are subject to a number of organizational and operational requirements.  If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax (including any applicable alternative minimum tax) on our taxable income at regular corporate tax rates.

We are subject to the Texas Margin Tax, which is computed by applying the applicable tax rate (0.75% for us) to the profit margin, which generally will be determined for us as total revenue less a 30% standard deduction.  Although the Texas Margin Tax is not an income tax, FASB ASC 740, “Income Taxes” applies to the Texas Margin Tax.  For the three months ended March 31, 2022 and 2021, we recognized approximately $101,000 and $88,000 in margin tax provision, respectively.

11.  EQUITY

Common Shares    

Under our declaration of trust, as amended, we have authority to issue up to 400,000,000 common shares of beneficial interest, $0.001 par value per share, and up to 50,000,000 preferred shares of beneficial interest, $0.001 par value per share.

22

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Equity Offerings

On May 31, 2019, we entered into nine equity distribution agreements for an at-the-market equity distribution program (the “2019 equity distribution agreements”) providing for the issuance and sale of up to an aggregate of $100 million of the Company’s common shares pursuant to our Registration Statement on Form S-3 (File No. 333-225007). Actual sales will depend on a variety of factors determined by us from time to time, including (among others) market conditions, the trading price of our common shares, capital needs and our determinations of the appropriate sources of funding for us, and were made in transactions that will be deemed to be “at-the-market” offerings as defined in Rule 415 under the Securities Act. We have no obligation to sell any of our common shares and can at any time suspend offers under the 2019 equity distribution agreements or terminate the 2019 equity distribution agreements. For the three months ended March 31, 2022 and March 31, 2021 we did not sell shares under the 2019 equity distribution agreements.

Operating Partnership Units

Substantially all of our business is conducted through our Operating Partnership.  We are the sole general partner of the Operating Partnership.  As of March 31, 2022, we owned a 98.5% interest in the Operating Partnership.

Limited partners in the Operating Partnership holding OP units have the right to redeem their OP units for cash or, at our option, common shares at a ratio of one OP unit for one common share.  Distributions to OP unit holders are paid at the same rate per unit as distributions per share to holders of Whitestone common shares.  As of March 31, 2022 and December 31, 2021, there were 49,795,151 and 49,793,803 OP units outstanding, respectively.  We owned 49,025,273 and 49,023,313 OP units as of March 31, 2022 and December 31, 2021, respectively. The balance of the OP units is owned by third parties, including certain members of our board of trustees.  Our weighted average share ownership in the Operating Partnership was approximately 98.5% and 98.2% for the three months ended March 31, 2022 and 2021, respectively. During the three months ended March 31, 2022 and 2021, 612 and 0 OP units, respectively, were redeemed for an equal number of common shares.

 Distributions

The following table summarizes the cash distributions paid or payable to holders of common shares and to holders of noncontrolling OP units during each quarter of 2021 and the three months ended March 31, 2022 (in thousands, except per share/per OP unit data):

	Common Shares				Noncontrolling OP Unit Holders				Total
Quarter Paid	Distributions Per Common Share		Amount Paid		Distributions Per OP Unit		Amount Paid		Amount Paid
2022
First Quarter	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
Total	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
2021
Fourth Quarter	$	0.1075	$	5,257	$	0.1075	$	83	$	5,340
Third Quarter	0.1075		4,981		0.1075		83		5,064
Second Quarter	0.1075		4,602		0.1075		83		4,685
First Quarter	0.1058		4,480		0.1058		82		4,562
Total	$	0.4283	$	19,320	$	0.4283	$	331	$	19,651

The Board will regularly reassess the dividend, particularly as there is more clarity on the duration and severity of the COVID-19 pandemic and as business conditions improve.

23

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Shareholders' Rights Plan

On May 14, 2020, the Board authorized a dividend of one preferred share purchase right (a “Right”) for each outstanding common share of beneficial interest, par value $0.001 per share, of the Company (the “Common Shares”). The dividend is payable on May 26, 2020 (the “Record Date”), to the holders of record of Common Shares as of 5:00 P.M., New York City time, on the Record Date. The description and terms of the Rights are set forth in a rights agreement, dated as of May 14, 2020 (as the same may be amended from time to time, the “Rights Agreement”), between the Company and American Stock Transfer & Trust Company, LLC, as rights agent (the “Rights Agent”). Each Right entitles the registered holder to purchase from the Company one one-thousandth (a “Unit”) of a Series A Preferred Share, par value $0.001 per share (each a “Preferred Share”), of the Company at a purchase price (“Purchase Price”) of $30.00 per Unit, subject to adjustment.

The Board adopted the Rights Agreement to ensure that the Board remains in the best position to fulfill its duties and is intended to promote the fair and equal treatment of all shareholders by guarding against opportunistic efforts to capitalize on recent macroeconomic conditions, including open market accumulations or other tactics, aimed at gaining control of the Company without paying an appropriate control premium to deliver sufficient value for all Company shareholders.

The Rights will expire on the earliest of (i) the close of business on May 13, 2021, (ii) the time at which the Rights are redeemed pursuant to the Rights Agreement, (iii) the closing of any merger or other acquisition transaction involving the Company that has been approved by the Board, at which time the Rights are terminated, and (iv) the time at which the Rights are exchanged pursuant to the Rights Agreement (such earliest date, the “Expiration Date”).

On April 21, 2021, the Company entered into the First Amendment to Rights Agreement (the “First Amendment”) with the Rights Agent. The First Amendment amends the Rights Agreement by and between the Company and the Rights Agent, solely to extend the expiration date of the rights under the Rights Agreement from the close of business on May 13, 2021 to the close of business on May 13, 2022, unless earlier exercised, exchanged, amended, redeemed, or terminated.

On February 7, 2022, the Company entered into the Second Amendment to Rights Agreement (the “Second Amendment”) with the Rights Agent. The Second Amendment amends the First Amendment to the Rights Agreement by and between the Company and the Rights Agent, solely to accelerate the expiration date of the rights under the Rights Agreement from the close of business on May 13, 2022 to the close of business on February 7, 2022. As a result of the Second Amendment, effective as of the close of business on February 7, 2022, the Rights as defined in the Rights Agreement have expired and cease to be outstanding.

12.  INCENTIVE SHARE PLAN

The Company’s 2008 Long-Term Equity Incentive Ownership Plan (as amended, the “2008 Plan”) expired in July 2018. At the Company’s annual meeting of shareholders on May 11, 2017, our shareholders voted to approve the 2018 Long-Term Equity Incentive Ownership Plan (the “2018 Plan”). The 2018 Plan provides for the issuance of up to 3,433,831 common shares and OP units pursuant to awards under the 2018 Plan. The 2018 Plan became effective on July 30, 2018, which is the day after the 2008 Plan expired.

The Compensation Committee administered the 2008 Plan and administers the 2018 Plan except, in each case, with respect to awards to non-employee trustees, for which the 2008 Plan was and the 2018 Plan is administered by the board of trustees. The Compensation Committee is authorized to grant share options, including both incentive share options and non-qualified share options, as well as share appreciation rights, either with or without a related option. The Compensation Committee is also authorized to grant restricted common shares, restricted common share units, performance awards and other share-based awards. On September 6, 2017, the Compensation Committee approved the grant of an aggregate of 965,000 performance-based restricted common share units under the 2008 Plan which only vest immediately prior to the consummation of a Change in Control (as defined in the 2008 Plan) that occurs on or before September 30, 2024 (the “CIC Units”) to certain of our employees. Continued employment is required through the vesting date. If a Change in Control does not occur on or before September 30, 2024, the CIC Units shall be immediately forfeited. The Company considers a Change in Control on or before September 30, 2024 to be improbable, and no expense has been recognized for the CIC Units. If a Change in Control occurs, any outstanding CIC Units would be expensed immediately on the date of the Change in Control using the grant date fair value. The grant date fair value for each CIC Unit of $13.05 was determined based on the Company’s closing share price on the grant date.     

24

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

On March 16, 2018, the Compensation Committee approved the grant of an aggregate of 387,499 time-based restricted common share units under the 2008 Plan, which vest annually in three equal installments, and 4,300 performance-based restricted common share units to certain of our employees.

On December 1, 2018, the Compensation Committee approved the grant of an aggregate of 229,684 performance-based restricted common share units with market-based vesting conditions (“TSR Units”) under the 2018 Plan to certain of our employees. Vesting is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $14.89 was determined using the Monte Carlo simulation method and was recognized as share-based compensation expense ratably from the December 1, 2018 grant date to the end of the performance period, December 31, 2020. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. On January 1, 2021, the remaining unvested 208,210 TSR Units that were granted on December 1, 2018 vested at a 50% achievement into 104,105 common shares.

On June 30, 2019, the Compensation Committee approved the grant of an aggregate of 405,417 TSR Units and 317,184 time-based restricted common share units under the 2018 Plan to certain of our employees. On September 30, 2019, the Compensation Committee approved the grant of 17,069 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $8.22 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the June 30, 2019 grant date to the end of the performance period, December 31, 2021. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. On December 31, 2021, the remaining unvested 385,648 TSR Units that were granted on June 30, 2019 and September 30, 2019 vested at 0% attainment into 0 common shares. The time-based restricted common share units have a grant date fair value of $10.63 and $11.69 and vest annually in three equal installments for the June 30, 2019 and September 30, 2019 grants, respectively.

On July 31, 2020, the Compensation Committee approved the grant of an aggregate of 545,000 TSR Units and 530,000 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $5.55 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the July 31, 2020 grant date to the end of the performance period, December 31, 2022. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. The time-based restricted common share units have a grant date fair value of $5.83 and vest annually in three equal installments.

On March 17, 2021, the Compensation Committee approved the grant of an aggregate of 2,490 common share units under the 2018 Plan to certain of our employees. The common share units had a grant date fair value of $10.04 each and vested immediately.

25

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

On June 30, 2021, the Compensation Committee approved the grant of an aggregate of 433,200 TSR Units and 433,200 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $4.17 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the June 30, 2021 grant date to the end of the performance period, December 31, 2023. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. The time-based restricted common share units have a grant date fair value of $7.51 and vest annually in three equal installments. The 433,200 TSR Units granted on June 30, 2021 include 111,465 TSR Units that will be converted into the right to receive cash in the amount of the fair market value of the common shares to the extent that common shares are not available for issuance under the 2018 Plan.

On September 30, 2021, the Compensation Committee approved the grant of an aggregate of 5,500 time-based restricted common share units under the 2018 Plan to certain of our employees. The time-based common share units had a grant date fair value of $9.06 each and vest annually in three equal installments.

A summary of the share-based incentive plan activity as of and for the three months ended March 31, 2022 is as follows:

	Shares	Weighted Average Grant Date Fair Value
Non-vested at January 1, 2022	2,716,132	$	8.32
Forfeited	(1,334,852)	8.29
Non-vested at March 31, 2022	1,381,280	8.35
Available for grant at March 31, 2022	1,664,210

A summary of our non-vested and vested shares activity for the three months ended March 31, 2022 and years ended December 31, 2021 and 2020 is presented below:

	Shares Granted			Shares Vested
	Non-Vested Shares Issued	Weighted Average Grant-Date Fair Value		Vested Shares	Total Vest-Date Fair Value
					(in thousands)
Three Months Ended March 31,	—	$	—	—	$	—
Year Ended December 31, 2021	904,215	$	5.99	(1,024,808)	$	9,757
Year Ended December 31, 2020	1,108,014	$	5.76	(511,621)	$	5,566

Total compensation recognized in earnings for share-based payments was $(1,329,000) and $1,468,000 for the three months ended March 31, 2022 and 2021, respectively.

Based on our current financial projections, we expect approximately 100% of the unvested awards, exclusive of 455,000 CIC Units, to vest over the next 27 months. As of March 31, 2022, there was approximately $1.1 million in unrecognized compensation cost related to outstanding non-vested TSR Units, which are expected to vest over a period of 21 months, and approximately $2.3 million in unrecognized compensation cost related to outstanding non-vested time-based shares, which are expected to be recognized over a period of approximately 27 months beginning on April 1, 2022.

26

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

We expect to record approximately $0.8 million in non-cash share-based compensation expense in 2022 and $1.6 million subsequent to 2022. The unrecognized share-based compensation cost is expected to vest over a weighted average period of 19 months. The dilutive impact of the performance-based shares will be included in the denominator of the earnings per share calculation beginning in the period that the performance conditions are expected to be met. The dilutive impact of the TSR Units is based on the Company’s TSR Peer Group Ranking as of the reporting date and weighted according to the number of days outstanding in the period. As of March 31, 2022, the TSR Peer Group Ranking called for attainment of 50% and 150% for the shares issued in 2020 and 2021, respectively. The dilutive impact of the CIC Units is based on the probability of a Change in Control. Because the Company considers a Change in Control on or before September 30, 2024 to be improbable, no CIC Units are included in the Company’s dilutive shares.

13. GRANTS TO TRUSTEES

On December 13, 2021, five independent trustees and one trustee emeritus were granted a total of 29,825 common shares, which vest immediately and are prorated based on date appointed. The 29,825 common shares granted to our trustees had a grant fair value of $9.32 per share. The fair value of the shares granted during the year ended December 31, 2021 was determined using quoted prices available on the date of grant.

14. SEGMENT INFORMATION

Historically, our management has not differentiated results of operations by property type or location and, therefore, does not present segment information.

15. REAL ESTATE

Property Acquisitions. On December 1, 2021 we acquired Anderson Arbor, a property that meets our Community Centered Property® strategy, for $28.1 million in cash and net prorations. Anderson Arbor, a 89,746 square foot property, was 89% leased at the time of purchase and is located in Austin, Texas.

On July 8, 2021, we acquired Lakeside Market, a property that meets our Community Centered Property® strategy, for $53.2 million in cash and net prorations. Lakeside Market, a 162,649 square foot property, was 80.5% leased at the time of purchase and is located in Plano, Texas.

16.  RELATED PARTY TRANSACTIONS

The Contribution. Prior to his employment termination, January 18, 2022, Mr. James C. Mastandrea, the former Chairman and Chief Executive Officer of Whitestone REIT, also served as the Chairman and Chief Executive Officer of Pillarstone REIT and beneficially owns approximately 66.7% of the outstanding equity in Pillarstone REIT (when calculated in accordance with Rule 13d-3(d)(1) under the Exchange Act of 1934, as amended (the “Exchange Act”)). He resigned as a member of the Board of Whitestone REIT on April 18, 2022. Prior to his employment termination, February 9, 2022, Mr. John J. Dee, the Company’s former Chief Operating Officer and Corporate Secretary, also served as the Senior Vice President and Chief Financial Officer of Pillarstone REIT and beneficially owns approximately 20.0% of the outstanding equity in Pillarstone REIT (when calculated in accordance with Rule 13d-3(d)(1) under the Exchange Act). In addition, Mr. Paul T. Lambert, a Trustee of the Company, also serves as a Trustee of Pillarstone REIT.

Pillarstone OP. The Company accounts for its investment in Pillarstone OP under the equity method.

During the ordinary course of business, we have transactions with Pillarstone OP that include, but are not limited to, rental income, interest expense, general and administrative costs, commissions, management and asset management fees, and property expenses.

27

WHITESTONE REIT AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The following table presents the revenue and expenses with Pillarstone OP included in our consolidated statements of operations and comprehensive income for the three months ended March 31, 2022 and 2021 (in thousands):

		Three Months Ended March 31,
	Location of Revenue (Expense)	2022		2021
Rent	Operating and maintenance	$	(192)	$	(218)
Property management fee income	Management, transaction, and other fees	$	140	$	140

17.  COMMITMENTS AND CONTINGENCIES

On February 23, 2022, Whitestone’s former CEO, James Mastandrea, filed suit against Whitestone REIT and certain of the Company’s trustees (Nandita Berry, Jeff Jones, Jack Mahaffey, and David Taylor) and officers (David Holeman, Christine Mastandrea, Peter Tropoli) in the District Court of Harris County, Texas, alleging claims relating to the termination of claimant’s employment. Claimant purports to assert claims for breach of contract, breach of fiduciary duties, tortious interference with contract, civil conspiracy, and declaratory judgment. The claimant seeks $25 million in damages and equitable relief. However, the Company denies the claims, has substantial legal and factual defenses against the claims, and intends to vigorously defend against the claims. The Company does not believe a probable loss will be incurred, nor does it anticipate a material adverse effect on its financial position, results of operations, cash flows or liquidity. Therefore, the Company has not recorded a charge as a result of this action.

On December 26, 2021, the Board of Trustees of Pillarstone REIT adopted the Pillarstone Rights Agreement. See Note 6 (Investment in Real Estate Partnership) for additional information regarding the Pillarstone Rights Agreement.

We are subject to various legal proceedings and claims that arise in the ordinary course of business.  These matters are generally covered by insurance.  While the resolution of these matters cannot be predicted with certainty, management believes the final outcome of such matters will not have a material adverse effect on our financial position, results of operations, cash flows or liquidity.

18.  SUBSEQUENT EVENTS

None.

28

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

You should read the following discussion of our financial condition and results of operations in conjunction with our unaudited consolidated financial statements and the notes thereto included in this Quarterly Report on Form 10-Q (this “Report”), and the consolidated financial statements and the notes thereto and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” contained in our Annual Report on Form 10-K for the year ended December 31, 2021.  For more detailed information regarding the basis of presentation for the following information, you should read the notes to the unaudited consolidated financial statements included in this Report.

Forward-Looking Statement

This Report contains forward-looking statements within the meaning of the federal securities laws, including discussion and analysis of our financial condition, pending acquisitions and the impact of such acquisitions on our financial condition and results of operations, anticipated capital expenditures required to complete projects, amounts of anticipated cash distributions to our shareholders in the future and other matters.  These forward-looking statements are not historical facts but are the intent, belief or current expectations of our management based on its knowledge and understanding of our business and industry.  Forward-looking statements are typically identified by the use of terms such as “may,” “will,” “should,” “potential,” “predicts,” “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates” or the negative of such terms and variations of these words and similar expressions, although not all forward-looking statements include these words.  These statements are not guarantees of future performance and are subject to risks, uncertainties and other factors, some of which are beyond our control, are difficult to predict and could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements.

Forward-looking statements that were true at the time made may ultimately prove to be incorrect or false.  You are cautioned not to place undue reliance on forward-looking statements, which reflect our management’s view only as of the date of this Report.  We undertake no obligation to update or revise forward-looking statements to reflect changed assumptions, the occurrence of unanticipated events or changes to future operating results.

Factors that could cause actual results to differ materially from any forward-looking statements made in this Report include:

•the imposition of federal income taxes if we fail to qualify as a real estate investment trust (“REIT”) in any taxable year or forego an opportunity to ensure REIT status;

•uncertainties related to the national economy, the real estate industry in general and in our specific markets;

•legislative or regulatory changes, including changes to laws governing REITs;

•adverse economic or real estate developments or conditions in Texas or Arizona, Houston and Phoenix in particular, including the potential impact of COVID-19 on our tenants’ ability to pay their rent, which could result in bad debt allowances or straight-line rent reserve adjustments;

•increases in interest rates, operating costs or general and administrative expenses;

•availability and terms of capital and financing, both to fund our operations and to refinance our indebtedness as it matures;

•decreases in rental rates or increases in vacancy rates;

•litigation risks;

•lease-up risks, including leasing risks arising from exclusivity and consent provisions in leases with significant tenants;

•our inability to renew tenant leases or obtain new tenant leases upon the expiration of existing leases;

•our inability to generate sufficient cash flows due to market conditions, competition, uninsured losses, changes in tax or other applicable laws;

•geopolitical conflicts, such as the ongoing conflict between Russia and Ukraine;

•the need to fund tenant improvements or other capital expenditures out of operating cash flow; and

•the risk that we are unable to raise capital for working capital, acquisitions or other uses on attractive terms or at all.

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The forward-looking statements should be read in light of these factors and the factors identified in the “Risk Factors” section of our Annual Report on Form 10-K for the year ended December 31, 2021, as previously filed with the Securities and Exchange Commission (“SEC”) and of this Report below.

Overview

We are a fully-integrated real estate company that owns and operates commercial properties in culturally diverse markets in major metropolitan areas. Founded in 1998, we are internally managed with a portfolio of commercial properties in Texas, Arizona and Illinois.

In October 2006, we adopted a strategic plan to acquire, redevelop, own and operate Community Centered Properties®.  We define Community Centered Properties® as visibly located properties in established or developing culturally diverse neighborhoods in our target markets. We market, lease and manage our centers to match tenants with the shared needs of the surrounding neighborhood.  Those needs may include specialty retail, grocery, restaurants and medical, educational and financial services.  Our goal is for each property to become a Whitestone-branded retail community that serves a neighboring five-mile radius around our property.  We employ and develop a diverse group of associates who understand the needs of our multi-cultural communities and tenants.

We serve as the general partner of Whitestone REIT Operating Partnership, L.P. (the “Operating Partnership”), which was formed on December 31, 1998 as a Delaware limited partnership. We currently conduct substantially all of our operations and activities through the Operating Partnership. As the general partner of the Operating Partnership, we have the exclusive power to manage and conduct the business of the Operating Partnership, subject to certain customary exceptions.

As of March 31, 2022, we wholly owned 60 commercial properties consisting of:

Consolidated Operating Portfolio

•53 wholly owned properties that meet our Community Centered Properties® strategy containing approximately 4.9 million square feet of gross leasable area (“GLA”) and having a total carrying amount (net of accumulated depreciation) of $901.7 million; and

Redevelopment, New Acquisitions Portfolio

•two wholly owned properties, Lakeside Market and Anderson Arbor, that meet our Community Centered Properties® strategy containing approximately 0.2 and 0.1 million square feet of GLA and having a total carrying amount (net of accumulated depreciation) of $52.8 and $28.0 million, respectively. Acquired properties are categorized in the new acquisition portfolio until the earlier of 90% occupancy or 18 months of ownership; and

•five parcels of land held for future development that meet our Community Centered Properties® strategy having a total carrying value of $20.0 million.

As of March 31, 2022, we had an aggregate of 1,560 tenants.  We have a diversified tenant base with our largest tenant comprising only 2.6% of our annualized rental revenues for the three months ended March 31, 2022.  Lease terms for our properties range from less than one year for smaller tenants to over 15 years for larger tenants.  Our leases include minimum monthly lease payments and generally provide for tenant reimbursements for payment of taxes, insurance and maintenance. We completed 85 new and renewal leases during the three months ended March 31, 2022, totaling 216,083 square feet and approximately $23.0 million in total lease value.  This compares to 94 new and renewal leases totaling 225,225 square feet and approximately $30.8 million in total lease value during the same period in 2021.

We employed 83 full-time employees as of March 31, 2022.  As an internally managed REIT, we bear our own expenses of operations, including the salaries, benefits and other compensation of our employees, office expenses, legal, accounting, and investor relations expenses and other overhead costs.

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Real Estate Partnership

As of March 31, 2022, we, through our investment in Pillarstone OP, owned a majority interest in eight properties that do not meet our Community Centered Property® strategy containing approximately 926,798 square feet of GLA (the “Pillarstone Properties”). We own 81.4% of the total outstanding units of Pillarstone OP, which we account for using the equity method. We also manage the day-to-day operations of Pillarstone OP.

COVID-19

The global health crisis caused by COVID-19 and the related responses intended to control its spread may continue to adversely affect business activity, particularly relating to our retail tenants, across the markets in which we operate. In light of the changing nature of the COVID-19 pandemic, we are unable to predict the extent that its impact will have on our financial condition, results of operations and cash flows.

Inflation

We anticipate that the majority of our leases will continue to be triple-net leases or otherwise provide that tenants pay for increases in operating expenses and will contain provisions that we believe will mitigate the effect of inflation. In addition, many of our leases are for terms of less than five years, which allows us to adjust rental rates to reflect inflation and other changing market conditions when the leases expire. Consequently, increases due to inflation, as well as ad valorem tax rate increases, generally do not have a significant adverse effect upon our operating results.

How We Derive Our Revenue

Substantially all of our revenue is derived from rents received from leases at our properties. We had total revenues of approximately $34.1 million and $29.0 million for the three months ended March 31, 2022 and 2021, respectively.

Rental Income

We expect our rental income to increase year-over-year due to the addition of properties and rent increases on renewal leases. The amount of net rental income generated by our properties depends principally on our ability to maintain the occupancy rates of currently leased space and to lease currently available space, newly acquired properties with vacant space, and space available from unscheduled lease terminations. The amount of rental income we generate also depends on our ability to maintain or increase rental rates in our submarkets. Included in our adjustments to rental revenue for the conversion of 77 tenants to cash basis revenue was a bad debt adjustment of $0.23 million and a straight-line rent reserve adjustment of $0.4 million for the three months ending March 31, 2022. We are unable to predict the impact that the COVID-19 pandemic will have on our rental income in the long term. The situation surrounding the COVID-19 pandemic remains fluid, and we are actively managing our response in collaboration with tenants, government officials and business partners and assessing potential impacts to our and our tenants’ financial positions and operating results.

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Scheduled Lease Expirations

We tend to lease space to smaller businesses that desire shorter term leases. As of March 31, 2022, approximately 24% of our GLA was subject to leases that expire prior to December 31, 2023.  Over the last three calendar years, we have renewed expiring leases with respect to approximately 73% of our GLA. We routinely seek to renew leases with our existing tenants prior to their expiration and typically begin discussions with tenants as early as 24 months prior to the expiration date of the existing lease. Inasmuch as our early renewal program and other leasing and marketing efforts target these expiring leases, we work to re-lease most of that space prior to expiration of the leases. In the markets in which we operate, we obtain and analyze market rental rates through review of third-party publications, which provide market and submarket rental rate data and through inquiry of property owners and property management companies as to rental rates being quoted at properties that are located in close proximity to our properties and we believe display similar physical attributes as our nearby properties. We use this data to negotiate leases with new tenants and renew leases with our existing tenants at rates we believe to be competitive in the markets for our individual properties. Due to the short term nature of our leases, and based upon our analysis of market rental rates, we believe that, in the aggregate, our current leases are at market rates. Market conditions, including new supply of properties, and macroeconomic conditions in our markets and nationally affecting tenant income, such as employment levels, business conditions, interest rates, tax rates, fuel and energy costs and other matters, could adversely impact our renewal rate and/or the rental rates we are able to negotiate. We continue to monitor our tenants’ operating performances as well as overall economic trends to evaluate any future negative impact on our renewal rates and rental rates, which could adversely affect our cash flow and ability to make distributions to our shareholders.

Acquisitions

We seek to grow our GLA through the acquisition of additional properties, and we are carefully evaluating development and redevelopment activities on a case-by-case basis. We have extensive relationships with community banks, attorneys, title companies, and others in the real estate industry, which we believe enables us to take advantage of these market opportunities and maintain an active acquisition pipeline.

Property Acquisitions, Dispositions and Development

We seek to acquire commercial properties in high-growth markets. Our acquisition targets are properties that fit our Community Centered Properties® strategy.  We may acquire properties in other high-growth cities in the future.

On December 1, 2021 we acquired Anderson Arbor, a property that meets our Community Centered Property® strategy, for $28.1 million in cash and net prorations. Anderson Arbor, a 89,746 square foot property, was 89% leased at the time of purchase and is located in Austin, Texas.

On July 8, 2021, we acquired Lakeside Market, a property that meets our Community Centered Property® strategy, for $53.2 million in cash and net prorations. Lakeside Market, a 162,649 square foot property, was 80.5% leased at the time of purchase and is located in Plano, Texas.

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Leasing Activity

As of March 31, 2022, we owned 60 properties with 5,205,966 square feet of GLA and our occupancy rate for all properties was approximately 91% and 89% occupied as of March 31, 2022 and 2021, respectively. The following is a summary of the Company’s leasing activity for the three months ended March 31, 2022:

	Number of Leases Signed	GLA Signed	Weighted Average Lease Term (2)	TI and Incentives per Sq. Ft. (3)		Contractual Rent Per Sq. Ft. (4)		Prior Contractual Rent Per Sq. Ft. (5)		Straight-lined Basis Increase (Decrease) Over Prior Rent
Comparable (1)
Renewal Leases	52	163,415	4.2	$	1.06	$	18.16	$	17.84	9.6	%
New Leases	14	26,663	7.5	18.00		24.72		23.10		12.7	%
Total	66	190,078	4.6	$	3.44	$	19.08	$	18.57	10.1	%
	Number of Leases Signed	GLA Signed	Weighted Average Lease Term (2)	TI and Incentives per Sq. Ft. (3)		Contractual Rent Per Sq. Ft. (4)
Non-Comparable
Renewal Leases	4	8,965	3.4	$	1.15	$	23.74
New Leases	15	17,040	4.5	15.90		32.50
Total	19	26,005	4.1	$	10.82	$	29.48

(1)     Comparable leases represent leases signed on spaces for which there was a former tenant within the last twelve months and the new or renewal square footage was within 25% of the expired square footage.

(2)    Weighted average lease term is determined on the basis of square footage.

(3)    Estimated amount per signed leases. Actual cost of construction may vary. Does not include first generation costs for tenant improvements (“TI”) and leasing commission costs needed for new acquisitions or redevelopment of a property to bring to operating standards for its intended use.

(4)    Contractual minimum rent under the new lease for the first month, excluding concessions.

(5)    Contractual minimum rent under the prior lease for the final month.

Critical Accounting Policies and Estimates

In preparing the consolidated financial statements, we have made estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenue and expenses during the reported periods. Actual results may differ from these estimates.  A summary of our critical accounting policies is included in our Annual Report on Form 10-K for the year ended December 31, 2021, under “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”  There have been no significant changes to these policies during the three months ended March 31, 2022.  For disclosure regarding recent accounting pronouncements and the anticipated impact they will have on our operations, please refer to Note 2 to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2021.

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Results of Operations

Comparison of the Three Months Ended March 31, 2022 and 2021

The following table provides a general comparison of our results of operations and other metrics for the three months ended March 31, 2022 and 2021 (dollars in thousands, except per share and per OP unit amounts):

	Three Months Ended March 31,
	2022			2021
Number of properties owned and operated	60			58
Aggregate GLA (sq. ft.)(1)	4,953,571			4,848,652
Ending occupancy rate - operating portfolio (1)	91		%	89		%
Ending occupancy rate	91		%	89		%
Total revenues	$	34,123		$	29,045
Total operating expenses	21,051			21,524
Total other expense	6,062			6,082
Income before equity investment in real estate partnership and income tax	7,010			1,439
Equity in earnings of real estate partnership	280			89
Provision for income tax	(101)			(87)
Net income	7,189			1,441
Less: Net income attributable to noncontrolling interests	111			26
Net income attributable to Whitestone REIT	$	7,078		$	1,415
Funds from operations(2)	$	15,466		$	8,825
Property net operating income(3)	25,080			21,139
Distributions paid on common shares and OP units	5,351			4,562
Distributions per common share and OP unit	$	0.1075		$	0.1058
Distributions paid as a percentage of funds from operations	35		%	52		%

(1)     Excludes (i) new acquisitions, through the earlier of attainment of 90% occupancy or 18 months of ownership, and (ii) properties that are undergoing significant redevelopment or re-tenanting.

(2)     For an explanation and reconciliation of funds from operations, a Non-GAAP metric, to net income, see “—Reconciliation of Non-GAAP Financial Measures—Funds From Operations (“FFO”)” below.

(3)     For an explanation and reconciliation of property net operating income, a non-GAAP metric, to net income, see “—Reconciliation of Non-GAAP Financial Measures—Property Net Operating Income (“NOI”)” below.

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We define “Same Store” as properties that have been owned for the entire period being compared. For purposes of comparing the three months ended March 31, 2022 to the three months ended March 31, 2021, Same Store includes properties owned during the entire period from January 1, 2021 to March 31, 2022. We define “Non-Same Store” as properties acquired since the beginning of the period being compared and properties that have been sold, but not classified as discontinued operations.

Revenues. The primary components of revenue are detailed in the table below (in thousands, except percentages):

	Three Months Ended March 31,
Revenue	2022		2021		Change		% Change
Same Store
Rental revenues (1)	$	23,510	$	21,626	$	1,884	9	%
Recoveries (2)	8,869		7,598		1,271		17	%
Bad debt (3)	(372)		(529)		157		(30)	%
Total rental	32,007		28,695		3,312		12	%
Other revenues	176		210		(34)		(16)	%
Same Store Total	32,183		28,905		3,278		11	%
Non-Same Store and Management Fees
Rental revenues (4)	1,334		—		1,334		Not meaningful
Recoveries (4)	468		—		468		Not meaningful
Bad debt (4)	(1)		—		(1)		Not meaningful
Total rental	1,801		—		1,801		Not meaningful
Other revenues (4)	(1)		—		(1)		Not meaningful
Management fees	140		140		—		—	%
Non-Same Store and Management Fees Total	1,940		140		1,800		1,286	%
Total revenue	$	34,123	$	29,045	$	5,078	17	%

(1)     The Same Store rental revenues increase of $1,884,000 resulted from a increase of $751,000 from higher average leased square feet from 4,380,820 to 4,531,943, and an increase of $1,133,000 from higher average rent per leased square foot from $19.75 to $20.75. Same Store rental revenues include straight-line rent write offs for tenants converted to cash basis accounting of $405,000 and $147,000 for the three months ended March 31, 2022 and March 31, 2021, respectively.

(2)     The Same Store recoveries revenue increase of $1,271,000 is primarily attributable to related increases in Same Store operating expenses and real estate taxes of $731,000. Operating expenses generally decreased as a result of cost saving initiatives during the COVID-19 pandemic in 2021 and increased back to normal levels in 2022. Our recovery revenue from tenants generally increases as the related operating and real estate tax expenses increase. Real estate taxes included $240,000 less in savings from favorable tax settlements than the same period in 2021.

(3)     Recoveries of bad debt decreased Same Store total rental revenue by $373,000, including decreases from bad debt of $228,000 from cash basis accounting, during the three months ended March 31, 2022, as compared to a reduction $529,000, including $459,000 from cash basis accounting, during the same period a year ago.

(4)     Non-Same Store rental revenue includes Lakeside Market (acquired on July 8, 2021) and Anderson Arbor (acquired on December 1, 2021).

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Operating expenses. The primary components of operating expenses for the three months ended March 31, 2022 and 2021 are detailed in the table below (in thousands, except percentages):

	Three Months Ended March 31,
Operating Expenses	2022		2021		Change		% Change
Same Store
Operating and maintenance (1)	$	5,336	$	4,619	$	717	16	%
Real estate taxes	4,053		4,038		15		—	%
Same Store total	9,389		8,657		732		8	%
Non-Same Store and affiliated company rents
Operating and maintenance (2)	197		—		197		Not meaningful
Real estate taxes (2)	314		—		314		Not meaningful
Affiliated company rents (3)	192		220		(28)		(13)	%
Non-Same Store and affiliated company rents total	703		220		483		220	%
Depreciation and amortization	7,910		7,013		897		13	%
General and administrative (4)	3,049		5,634		(2,585)		(46)	%
Total operating expenses	$	21,051	$	21,524	$	(473)	(2)	%

(1)    The $717,000 Same Store operating and maintenance cost increase included $183,000 in increased repair costs and $533,000 in increased labor and other costs. Cost saving initiatives implemented by the Company in 2021 in response to the COVID-19 pandemic generally lowered operating and maintenance costs during three months ended March 31, 2021. Operating and maintenance costs were closer to normal levels during the three months ended March 31, 2022.

(2)     Non-Same Store rental expenses includes Lakeside Market (acquired on July 8, 2021) and Anderson Arbor (acquired on December 1, 2021).

(3)    Affiliated company rents are spaces that we lease from Pillarstone OP.

(4)    On January 18, 2022, the Board of Trustees terminated James Mastandrea, with cause, from his position as Chief Executive Officer. Mr. Mastandrea was also replaced as Chairman of the Board. Following his termination, the Board of Trustees appointed Dave Holeman, previously our Chief Financial Officer, as Chief Executive Officer. The Company also recently replaced its Chief Operating Officer and Executive Vice President of Acquisitions and Asset Management. As a result of these changes, we recognized a reduction of share-based compensation of $2.2 million during the three months ended March 31, 2022 due to forfeitures.

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Other expenses (income). The primary components of other expenses (income) for the three months ended March 31, 2022 and 2021 are detailed in the table below (in thousands, except percentages):

	Three Months Ended March 31,
Other Expenses (Income)	2022		2021		Change		% Change
Interest expense	$	6,061	$	6,132	$	(71)	(1)	%
(Gain) loss on sale or disposal of assets, net	15		(1)		16		(1,600)	%
Interest, dividend and other investment income	(14)		(49)		35		(71)	%
Total other expense	$	6,062	$	6,082	$	(20)	—	%

Equity in earnings of real estate partnership. Our equity in earnings of real estate partnership, which is generated from our 81.4% ownership of Pillarstone OP, increased $191,000 from $89,000 for the three months ended March 31, 2021 to $280,000 for the three months ended March 31, 2022. Please refer to Note 6 (Investment in Real Estate Partnership) to the accompanying consolidated financial statements for more information regarding our investment in Pillarstone OP.

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Same Store net operating income. The components of Same Store net operating income is detailed in the table below (in thousands):

	Three Months Ended March 31,				Increase		% Increase
	2022		2021		(Decrease)		(Decrease)
Same Store (53 properties, excluding development land)
Property revenues
Rental	$	32,007	$	28,695	$	3,312	12	%
Management, transaction and other fees	176		210		(34)		(16)	%
Total property revenues	32,183		28,905		3,278		11	%
Property expenses
Property operation and maintenance	5,336		4,619		717		16	%
Real estate taxes	4,053		4,038		15		—	%
Total property expenses	9,389		8,657		732		8	%
Total property revenues less total property expenses	22,794		20,248		2,546		13	%
Same Store straight-line rent adjustments	(238)		(210)		(28)		13	%
Same Store amortization of above/below market rents	(229)		(201)		(28)		14	%
Same Store lease termination fees	(9)		(76)		67		(88)	%
Same Store NOI(1)	$	22,318	$	19,761	$	2,557	13	%

(1)     See below for a reconciliation of property net operating income to net income.

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	Three Months Ended March 31,
PROPERTY NET OPERATING INCOME (“NOI”)	2022		2021
Net income attributable to Whitestone REIT	$	7,078	$	1,415
General and administrative expenses	3,049		5,634
Depreciation and amortization	7,910		7,013
Equity in earnings of real estate partnership	(280)		(89)
Interest expense	6,061		6,132
Interest, dividend and other investment income	(14)		(49)
Provision for income taxes	101		87
Management fee, net of related expenses	52		80
Loss on sale or disposal of assets, net	15		(1)
NOI of real estate partnership (pro rata)	997		891
Net income attributable to noncontrolling interests	111		26
NOI	$	25,080	$	21,139
Non-Same Store NOI (1)	(1,289)		—
NOI of real estate partnership (pro rata)	(997)		(891)
NOI less Non-Same Store NOI and NOI of real estate partnership (pro rata)	22,794		20,248
Same Store straight-line rent adjustments	(238)		(210)
Same Store amortization of above/below market rents	(229)		(201)
Same Store lease termination fees	(9)		(76)
Same Store NOI (2)	$	22,318	$	19,761

(1)    We define “Non-Same Store” as properties that have been acquired since the beginning of the period being compared and properties that have been sold, but not classified as discontinued operations. For purposes of comparing the three months ended March 31, 2022 to the three months ended March 31, 2021, Non-Same Store includes properties acquired between January 1, 2021 and March 31, 2022 and properties sold between January 1, 2021 and March 31, 2022, but not included in discontinued operations.

(2)    We define “Same Store” as properties that have been owned during the entire period being compared. For purposes of comparing the three months ended March 31, 2022 to the three months ended March 31, 2021, Same Store includes properties owned before January 1, 2021 and not sold before March 31, 2022. Straight-line rent adjustments, above/below market rents, and lease termination fees are excluded.

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Reconciliation of Non-GAAP Financial Measures

Funds From Operations (NAREIT) (“FFO”)

The National Association of Real Estate Investment Trusts (“NAREIT”) defines FFO as net income available to Whitestone REIT (calculated in accordance with GAAP), excluding depreciation and amortization related to real estate, gains or losses from the sale of certain real estate assets, gains and losses from change in control, and impairment write-downs of certain real estate assets and investments in entities when the impairment is directly attributable to decreases in the value of depreciable real estate held by the entity. We calculate FFO in a manner consistent with the NAREIT definition and also include adjustments for our unconsolidated real estate partnership.

Management uses FFO as a supplemental measure to conduct and evaluate our business because there are certain limitations associated with using GAAP net income alone as the primary measure of our operating performance.

Historical cost accounting for real estate assets in accordance with GAAP implicitly assumes that the value of real estate assets diminishes predictably over time.  Because real estate values instead have historically risen or fallen with market conditions, management believes that the presentation of operating results for real estate companies that use historical cost accounting is insufficient by itself.  In addition, securities analysts, investors and other interested parties use FFO as the primary metric for comparing the relative performance of equity REITs.  

FFO should not be considered as an alternative to net income or other measurements under GAAP, as an indicator of our operating performance or to cash flows from operating, investing or financing activities as a measure of liquidity.  FFO does not reflect working capital changes, cash expenditures for capital improvements or principal payments on indebtedness. Although our calculation of FFO is consistent with that of NAREIT, there can be no assurance that FFO presented by us is comparable to similarly titled measures of other REITs.

Below are the calculations of FFO and the reconciliations to net income, which we believe is the most comparable U.S. GAAP financial measure (in thousands):

	Three Months Ended March 31,
FFO (NAREIT)	2022		2021
Net income attributable to Whitestone REIT	$	7,078	$	1,415
Adjustments to reconcile to FFO:(1)
Depreciation and amortization of real estate	7,868		6,980
Depreciation and amortization of real estate assets of real estate partnership (pro rata)	394		405
(Gain) loss on sale or disposal of assets, net	15		(1)
Net income attributable to noncontrolling interests	111		26
FFO (NAREIT)	$	15,466	$	8,825

(1)    Includes pro-rata share attributable to real estate partnership.

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Property Net Operating Income (“NOI”)

Management believes that NOI is a useful measure of our property operating performance. We define NOI as operating revenues (rental and other revenues) less property and related expenses (property operation and maintenance and real estate taxes). Other REITs may use different methodologies for calculating NOI and, accordingly, our NOI may not be comparable to other REITs. Because NOI excludes general and administrative expenses, depreciation and amortization, equity in earnings of real estate partnership, interest expense, interest, dividend and other investment income, provision for income taxes, management fee (net of related expenses), gain or loss on sale or disposition of assets, and our pro rata share of NOI of equity method investments, it provides a performance measure that, when compared year-over-year, reflects the revenues and expenses directly associated with owning and operating commercial real estate properties and the impact to operations from trends in occupancy rates, rental rates and operating costs, providing perspective not immediately apparent from net income. We use NOI to evaluate our operating performance since NOI allows us to evaluate the impact that factors such as occupancy levels, lease structure, lease rates and tenant base have on our results, margins and returns. In addition, management believes that NOI provides useful information to the investment community about our property and operating performance when compared to other REITs since NOI is generally recognized as a standard measure of property performance in the real estate industry. However, NOI should not be viewed as a measure of our overall financial performance since it does not reflect general and administrative expenses, depreciation and amortization, equity in earnings of real estate partnership, interest expense, interest, dividend and other investment income, provision for income taxes, gain on sale of property from discontinued operations, management fee (net of related expenses) and gain or loss on sale or disposition of assets, the level of capital expenditures and leasing costs necessary to maintain the operating performance of our properties.

Below is the calculation of NOI and the reconciliations to net income, which we believe is the most comparable U.S. GAAP financial measure (in thousands):

	Three Months Ended
	March 31,
PROPERTY NET OPERATING INCOME	2022		2021
Net income attributable to Whitestone REIT	$	7,078	$	1,415
General and administrative expenses	3,049		5,634
Depreciation and amortization	7,910		7,013
Equity in earnings of real estate partnership	(280)		(89)
Interest expense	6,061		6,132
Interest, dividend and other investment income	(14)		(49)
Provision for income taxes	101		87
Management fee, net of related expenses	52		80
(Gain) loss on sale or disposal of assets, net	15		(1)
NOI of real estate partnership (pro rata)	997		891
Net income attributable to noncontrolling interests	111		26
NOI	$	25,080	$	21,139

Liquidity and Capital Resources

Our short-term liquidity requirements consist primarily of distributions to holders of our common shares and OP units, including those required to maintain our REIT status and satisfy our current quarterly distribution target of $0.1200 per common share and OP unit, recurring expenditures, such as repairs and maintenance of our properties, non-recurring expenditures, such as capital improvements and tenant improvements, debt service requirements, and, potentially, acquisitions of additional properties.

 During the three months ended March 31, 2022, our cash provided by operating activities was $4,915,000 and our total distributions were $5,351,000.  Therefore, we had distributions in excess of cash flow from operations of approximately $436,000. We anticipate that cash flows from operating activities and our borrowing capacity under our unsecured revolving credit facility will provide adequate capital for our working capital requirements, anticipated capital expenditures and scheduled debt payments in the short term. We also believe that cash flows from operating activities and our borrowing capacity will allow us to make all distributions required for us to continue to qualify to be taxed as a REIT for federal income tax purposes.

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Our long-term capital requirements consist primarily of maturities under our longer-term debt agreements, development and redevelopment costs, and potential acquisitions. We expect to meet our long-term liquidity requirements with net cash from operations, long-term indebtedness, sales of common shares, issuance of OP units, sales of underperforming properties and non-core properties and other financing opportunities, including debt financing. We believe we have access to multiple sources of capital to fund our long-term liquidity requirements, including the incurrence of additional debt and the issuance of additional equity. On February 22, 2022, the Company announced an increase to its quarterly distribution to $0.12 per common share and OP unit, equal to a monthly distribution of $0.04, beginning with the April 2022 distribution. The Board will regularly reassess the dividend, particularly as there is more clarity on the duration and severity of the COVID-19 pandemic and as business conditions improve. As of March 31, 2022, subject to any potential future paydowns or increases in the borrowing base, we have $96.2 million remaining availability under the revolving credit facility.

On February 7, 2022, the Company entered into the Second Amendment to Rights Agreement (the “Second Amendment”) with the Rights Agent. The Second Amendment amends the First Amendment to the Rights Agreement by and between the Company and the Rights Agent, solely to accelerate the expiration date of the rights under the Rights Agreement from the close of business on May 13, 2022 to the close of business on February 7, 2022. As a result of the Second Amendment, effective as of the close of business on February 7, 2022, the Rights as defined in the Rights Agreement have expired and cease to be outstanding.

Our ability to access the capital markets will be dependent on a number of factors as well, including general market conditions for REITs and market perceptions about our Company. In light of the dynamics in the capital markets impacted by the COVID-19 pandemic and the economic slowdown, our access to capital may be diminished. Despite these potential challenges, we believe we have sufficient access to capital for the foreseeable future, but we can provide no assurance that such capital will be available to us on attractive terms or at all.

On May 15, 2019, our universal shelf registration statement on Form S-3 was declared effective by the SEC, which registers the issuance and sale by us of up to $750 million in securities from time to time, including common shares, preferred shares, debt securities, depositary shares and subscription rights.

On May 31, 2019, we entered into nine equity distribution agreements for an at-the-market equity distribution program (the “2019 equity distribution agreements”) providing for the issuance and sale of up to an aggregate of $100 million of the Company’s common shares pursuant to our Registration Statement on Form S-3 (File No. 333-225007). Actual sales will depend on a variety of factors determined by us from time to time, including (among others) market conditions, the trading price of our common shares, capital needs and our determinations of the appropriate sources of funding for us, and were made in transactions that will be deemed to be “at-the-market” offerings as defined in Rule 415 under the Securities Act. We have no obligation to sell any of our common shares and can at any time suspend offers under the 2019 equity distribution agreements or terminate the 2019 equity distribution agreements. During the three months ended March 31, 2022 and 2021, we did not sell shares under the 2019 equity distribution agreements.

We have used and anticipate using net proceeds from common shares issued pursuant to the 2019 equity distribution agreements for general corporate purposes, which may include acquisitions of additional properties, the repayment of outstanding indebtedness, capital expenditures, the expansion, redevelopment and/or re-tenanting of properties in our portfolio, working capital and other general purposes.

Our capital structure includes non-recourse mortgage debt that we have assumed or originated on certain properties. We may hedge the future cash flows of certain variable rate debt transactions principally through interest rate swaps with major financial institutions. See Note 8 (Derivatives and Hedging Activities) to the accompanying consolidated financial statements for a description of our current cash flow hedges.

As discussed in Note 2 (Summary of Significant Accounting Policies) to the accompanying consolidated financial statements, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (see Note 7 (Debt) to the accompanying consolidated financial statements), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note. Amounts in the cash management account are classified as restricted cash.

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Cash, Cash Equivalents and Restricted Cash

We had cash, cash equivalents and restricted cash of approximately $11,256,000 as of March 31, 2022, as compared to $15,914,000 on December 31, 2021.  The decrease of $4,658,000 was primarily the result of the following:

Sources of Cash

•Cash flow from operations of $4,915,000 for the three months ended March 31, 2022, compared to $4,103,000 for the three months ended March 31, 2021;

Uses of Cash

•Payment of distributions to common shareholders and OP unit holders of $5,351,000 for the three months ended March 31, 2022, compared to $4,562,000 for the three months ended March 31, 2021;

•Additions to real estate of $3,359,000 for the three months ended March 31, 2022, compared to $1,528,000 for the three months ended March 31, 2021;

•Payments of notes payable of $863,000 for the three months ended March 31, 2022, compared to $719,000 for the three months ended March 31, 2021.

 We place all cash in short-term, highly liquid investments that we believe provide appropriate safety of principal.

Debt

Debt consisted of the following as of the dates indicated (in thousands):

Description	March 31, 2022		December 31, 2021
Fixed rate notes
$100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 30, 2022 (1)	$	100,000	$	100,000
$165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 (2)	165,000		165,000
$80.0 million, 3.72% Note, due June 1, 2027	80,000		80,000
$19.0 million 4.15% Note, due December 1, 2024	18,272		18,358
$20.2 million 4.28% Note, due June 6, 2023	17,699		17,808
$14.0 million 4.34% Note, due September 11, 2024	12,910		12,978
$14.3 million 4.34% Note, due September 11, 2024	13,708		13,773
$15.1 million 4.99% Note, due January 6, 2024	13,838		13,907
$2.6 million 5.46% Note, due October 1, 2023	2,275		2,289
$50.0 million, 5.09% Note, due March 22, 2029	50,000		50,000
$50.0 million, 5.17% Note, due March 22, 2029	50,000		50,000
$1.8 million 3.15% Note, due November 28, 2022	1,394		—
Floating rate notes
Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023	119,500		119,500
Total notes payable principal	644,596		643,613
Less deferred financing costs, net of accumulated amortization	(720)		(771)
Total notes payable	$	643,876	$	642,842

(1)    Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 at 1.73%.

(2)     Promissory note includes an interest rate swap that fixed the LIBOR portion of the interest rate at an average rate of 2.24% for the duration of the term through January 31, 2024.

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Scheduled maturities of our outstanding debt as of March 31, 2022 were as follows (in thousands):

Year	Amount Due
2022 (remaining)	$	102,945
2023	147,363
2024	228,574
2025	17,143
2026	17,143
Thereafter	131,428
Total	$	644,596

On January 31, 2019, we, through our Operating Partnership, entered into an unsecured credit facility (the “2019 Facility”) with the lenders party thereto, Bank of Montreal, as administrative agent (the “Agent”), SunTrust Robinson Humphrey, as syndication agent, and BMO Capital Markets Corp., U.S. Bank National Association, SunTrust Robinson Humphrey and Regions Capital Markets, as co-lead arrangers and joint book runners. The 2019 Facility amended and restated the 2018 Facility (as defined below).

The 2019 Facility is comprised of the following three tranches:

•$250.0 million unsecured revolving credit facility with a maturity date of January 1, 2023 (the “2019 Revolver”);

•$165.0 million unsecured term loan with a maturity date of January 31, 2024 (“Term Loan A”); and

•$100.0 million unsecured term loan with a maturity date of October 30, 2022 (“Term Loan B” and together with Term Loan A, the “2019 Term Loans”).

Borrowings under the 2019 Facility accrue interest (at the Operating Partnership's option) at a Base Rate or an Adjusted LIBOR plus an applicable margin based upon our then existing leverage. As of March 31, 2022, the interest rate on the 2019 Revolver was 1.65%. The applicable margin for Adjusted LIBOR borrowings ranges from 1.40% to 1.90% for the 2019 Revolver and 1.35% to 1.90% for the 2019 Term Loans. Base Rate means the higher of: (a) the Agent’s prime commercial rate, (b) the sum of (i) the average rate quoted by the Agent by two or more federal funds brokers selected by the Agent for sale to the Agent at face value of federal funds in the secondary market in an amount equal or comparable to the principal amount for which such rate is being determined, plus (ii) 1/2 of 1.00%, and (c) the LIBOR rate for such day plus 1.00%. Adjusted LIBOR means LIBOR divided by one minus the Eurodollar Reserve Percentage. The Eurodollar Reserve Percentage means the maximum reserve percentage at which reserves are imposed by the Board of Governors of the Federal Reserve System on eurocurrency liabilities. Pursuant to the 2019 Facility, in the event of certain circumstances that result in the unavailability of LIBOR, including but not limited to LIBOR no longer being a widely recognized benchmark rate for newly originated dollar loans in the U.S. market, the Operating Partnership and the Agent will establish an alternate interest rate to LIBOR giving due consideration to prevailing market conventions and will amend the 2019 Facility to give effect to such alternate interest rate. LIBOR is expected to be discontinued. A number of our current debt agreements have an interest rate tied to LIBOR. Some of these agreements provide procedures for determining an alternative base rate in the event that LIBOR is discontinued, but not all do so. Regardless, there can be no assurances as to what alternative base rates may be and whether such base rate will be more or less favorable than LIBOR and any other unforeseen impacts of the discontinuation of LIBOR. The Company intends to monitor the developments with respect to the phasing out of LIBOR and work with its lenders to ensure any transition away from LIBOR will have minimal impact on its financial condition, but can provide no assurances regarding the impact of the discontinuation of LIBOR.

The 2019 Facility includes an accordion feature that will allow the Operating Partnership to increase the borrowing capacity by $200.0 million, upon the satisfaction of certain conditions. As of March 31, 2022, subject to any potential future paydowns or increases in the borrowing base, we have $96.2 million remaining availability under the 2019 Revolver. As of March 31, 2022, $384.5 million was drawn on the 2019 Facility and our unused borrowing capacity was $130.0 million, assuming that we use the proceeds of the 2019 Facility to acquire properties, or to repay debt on properties, that are eligible to be included in the unsecured borrowing base. The Company used $446.2 million of proceeds from the 2019 Facility to repay amounts outstanding under the 2018 Facility and intends to use the remaining proceeds from the 2019 Facility for general

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corporate purposes, including property acquisitions, debt repayment, capital expenditures, the expansion, redevelopment and re-tenanting of properties in its portfolio and working capital.

The Company, each direct and indirect material subsidiary of the Operating Partnership and any other subsidiary of the Operating Partnership that is a guarantor under any unsecured ratable debt will serve as a guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, customary representations and warranties and affirmative and negative covenants including, without limitation, information reporting requirements, limitations on investments, acquisitions, loans and advances, mergers, consolidations and sales, incurrence of liens, dividends and restricted payments. In addition, the 2019 Facility contains certain financial covenants including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

We serve as the guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, affirmative and negative covenants such as information reporting requirements, maximum secured indebtedness to total asset value, minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges, and maintenance of a minimum net worth. The 2019 Facility also contains customary events of default with customary notice and cure, including, without limitation, nonpayment, breach of covenant, misrepresentation of representations and warranties in a material respect, cross-default to other major indebtedness, change of control, bankruptcy and loss of REIT tax status.

On March 22, 2019, we, through our Operating Partnership, entered into a Note Purchase and Guarantee Agreement (the “Note Agreement”) together with certain subsidiary guarantors as initial guarantor parties thereto (the “Subsidiary Guarantors”) and The Prudential Insurance Company of America and the various other purchasers named therein (collectively, the “Purchasers”) providing for the issuance and sale of $100 million of senior unsecured notes of the Operating Partnership, of which (i) $50 million are designated as 5.09% Series A Senior Notes due March 22, 2029 (the “Series A Notes”) and (ii) $50 million are designated as 5.17% Series B Senior Notes due March 22, 2029 (the “Series B Notes” and, together with the Series A Notes, the “Notes”) pursuant to a private placement that closed on March 22, 2019 (the “Private Placement”). Obligations under the Notes are unconditionally guaranteed by the Company and by the Subsidiary Guarantors.

The principal of the Series A Notes will begin to amortize on March 22, 2023 with annual principal payments of approximately $7.1 million. The principal of the Series B Notes will begin to amortize on March 22, 2025 with annual principal payments of $10.0 million. The Notes will pay interest quarterly on the 22nd day of March, June, September and December in each year until maturity.

The Operating Partnership may prepay at any time all, or from time to time part of, the Notes, in an amount not less than $1,000,000 in the case of a partial prepayment, at 100% of the principal amount so prepaid, plus a make-whole amount. The make-whole amount is equal to the excess, if any, of the discounted value of the remaining scheduled payments with respect to the Notes being prepaid over the aggregate principal amount of such Notes (as described in the Note Agreement). In addition, in connection with a Change of Control (as defined in the Note Purchase Agreement), the Operating Partnership is required to offer to prepay the Notes at 100% of the principal amount plus accrued and unpaid interest thereon.

The Note Agreement contains representations, warranties, covenants, terms and conditions customary for transactions of this type and substantially similar to the Operating Partnership’s existing senior revolving credit facility, including limitations on liens, incurrence of investments, acquisitions, loans and advances and restrictions on dividends and certain other restricted payments. In addition, the Note Agreement contains certain financial covenants substantially similar to the Operating Partnership’s existing senior revolving credit facility, including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

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•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

In addition, the Note Agreement contains a financial covenant requiring that maximum unsecured debt not exceed the lesser of (i) an amount equal to 60% of the aggregate unencumbered asset value and (ii) the debt service coverage amount (as described in the Note Agreement). That covenant is substantially similar to the borrowing base concept contained in the Operating Partnership’s existing senior revolving credit facility.

The Note Agreement also contains default provisions, including defaults for non-payment, breach of representations and warranties, insolvency, non-performance of covenants, cross-defaults with other indebtedness and guarantor defaults. The occurrence of an event of default under the Note Agreement could result in the Purchasers accelerating the payment of all obligations under the Notes. The financial and restrictive covenants and default provisions in the Note Agreement are substantially similar to those contained in the Operating Partnership’s existing credit facility.

Net proceeds from the Private Placement will be used to refinance existing indebtedness. The Notes have not been and will not be registered under the Securities Act of 1933, as amended (the “Securities Act”), and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. The Notes were sold in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act.

As of March 31, 2022, our $158.7 million in secured debt was collateralized by seven properties with a carrying value of $245.9 million.  Our loans contain restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt and are secured by deeds of trust on certain of our properties and by assignment of the rents and leases associated with those properties. As of March 31, 2022, we were in compliance with all loan covenants.

Refer to Note 7 (Debt) to the accompanying consolidated financial statements for additional information regarding debt.

Capital Expenditures

We continually evaluate our properties’ performance and value. We may determine it is in our shareholders’ best interest to invest capital in properties that we believe have potential for increasing value. We also may have unexpected capital expenditures or improvements for our existing assets. Additionally, we intend to continue investing in similar properties outside of the markets on which we focus in cities with exceptional demographics to diversify market risk, and we may incur significant capital expenditures or make improvements in connection with any properties we may acquire.

The following is a summary of the Company's capital expenditures for the three and three months ended March 31, 2022 and 2021 (in thousands):

	Three Months Ended March 31,
	2022		2021
Capital expenditures:
Tenant improvements and allowances	$	2,592	$	475
Developments / redevelopments	385		452
Leasing commissions and costs	633		799
Maintenance capital expenditures	382		601
Total capital expenditures	$	3,992	$	2,327

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Distributions

U.S. federal income tax law generally requires that a REIT distribute annually to its shareholders at least 90% of its REIT taxable income, without regard to the deduction for dividends paid and excluding net capital gains, and that it pay tax at regular corporate rates on any taxable income that it does not distribute. We currently, and intend to continue to, accrue distributions quarterly and make distributions in three monthly installments following the end of each quarter. For a discussion of our cash flow as compared to dividends, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources.”

The timing and frequency of our distributions are authorized and declared by our board of trustees in exercise of its business judgment based upon a number of factors, including:

•our funds from operations;

•our debt service requirements;

•our capital expenditure requirements for our properties;

•our taxable income, combined with the annual distribution requirements necessary to maintain REIT qualification;

•requirements of Maryland law;

•our overall financial condition; and

•other factors deemed relevant by our board of trustees.

Any distributions we make will be at the discretion of our board of trustees and we cannot provide assurance that our distributions will be made or sustained in the future.

On February 12, 2021, the Company announced an increase to its quarterly distribution to $0.1075 per common share and OP unit, equal to a monthly distribution of $0.035833, beginning with the March 2021 distribution.

On February 22, 2022, the Company announced an increase to its quarterly distribution to $0.12 per common share and OP unit, equal to a monthly distribution of $0.04, beginning with the April 2022 distribution. The Board will continue to regularly reassess the dividend level.

During the three months ended March 31, 2022, we paid distributions to our common shareholders and OP unit holders of $5.4 million, compared to $4.6 million in the three months ended March 31, 2021.  Common shareholders and OP unit holders receive monthly distributions.  Payments of distributions are declared quarterly and paid monthly. The following table summarizes the cash distributions paid or payable to holders of our common shares and noncontrolling OP units during each quarter of 2021 and the three months ended March 31, 2022 (in thousands, except per share data):

	Common Shares				Noncontrolling OP Unit Holders				Total
Quarter Paid	Distributions Per Common Share		Amount Paid		Distributions Per OP Unit		Amount Paid		Amount Paid
2022
First Quarter	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
Total	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
2021
Fourth Quarter	$	0.1075	$	5,257	$	0.1075	$	83	$	5,340
Third Quarter	0.1075		4,981		0.1075		83		5,064
Second Quarter	0.1075		4,602		0.1075		83		4,685
First Quarter	0.1058		4,480		0.1058		82		4,562
Total	$	0.4283	$	19,320	$	0.4283	$	331	$	19,651

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Taxes

We elected to be taxed as a REIT under the Code beginning with our taxable year ended December 31, 1999.  As a REIT, we generally are not subject to federal income tax on income that we distribute to our shareholders.  If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax on our taxable income at regular corporate rates.  We believe that we are organized and operate in a manner to qualify and be taxed as a REIT, and we intend to operate so as to remain qualified as a REIT for federal income tax purposes.

Environmental Matters

Our properties are subject to environmental laws and regulations adopted by various governmental authorities in the jurisdictions in which our operations are conducted. From our inception, we have incurred no significant environmental costs, accrued liabilities or expenditures to mitigate or eliminate future environmental contamination.

Off-Balance Sheet Arrangements

Guarantees. We may guarantee the debt of a real estate partnership primarily because it allows the real estate partnership to obtain funding at a lower cost than could be obtained otherwise. This results in a higher return for the real estate partnership on its investment, and a higher return on our investment in the real estate partnership. We may receive a fee from the real estate partnership for providing the guarantee. Additionally, when we issue a guarantee, the terms of the real estate partnership’s partnership agreement typically provide that we may receive indemnification from the real estate partnership or have the ability to increase our ownership interest. See Note 6 (Investment in Real Estate Partnership) to the accompanying consolidated financial statements for information related to our guarantee of our real estate partnership’s debt.

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Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

Our future income, cash flows and fair value relevant to our financial instruments depend upon prevailing market interest rates. Market risk refers to the risk of loss from adverse changes in market prices and interest rates. Based upon the nature of our operations, we are not subject to foreign exchange rate or commodity price risk. The principal market risk to which we are exposed is the risk related to interest rate fluctuations. Many factors, including governmental monetary and tax policies, domestic and international economic and political considerations, and other factors that are beyond our control contribute to interest rate risk. Our interest rate risk objective is to limit the impact of interest rate fluctuations on earnings and cash flows and to lower our overall borrowing costs. To achieve this objective, we manage our exposure to fluctuations in market interest rates for our borrowings through the use of fixed rate debt instruments to the extent that reasonably favorable rates are obtainable.

All of our financial instruments were entered into for other than trading purposes.

Fixed Interest Rate

As of March 31, 2022, $525.1 million, or approximately 81% of our total outstanding debt, was subject to fixed interest rates, which limit the risk of fluctuating interest rates. Although a change in the market interest rates affects the fair market value of our fixed interest rate debt, it does not impact net income to shareholders or cash flows. Our total outstanding fixed interest rate debt had an average effective interest rate as of March 31, 2022 of approximately 4.1% per annum with scheduled maturities ranging from 2022 to 2029. See Note 7 (Debt) to the accompanying consolidated financial statements for further detail. Holding other variables constant, a 1% increase or decrease in interest rates would cause a $12.7 million decline or increase, respectively, in the fair value for our fixed rate debt.

Variable Interest Rate Debt

As of March 31, 2022, $119.5 million, or approximately 19% of our outstanding debt, was subject to floating interest rates of LIBOR plus 1.40% to 1.90% and not currently subject to a hedge. The impact of a 1% increase or decrease in interest rates on our non-hedged variable rate debt would result in a decrease or increase of annual net income of approximately $1.2 million, respectively.

Credit Risk

Credit risk may be increased as a result of the COVID-19 pandemic. We expect that the actions taken by the U.S. and international governments to decrease the impact of the COVID-19 pandemic will result in a continued decline in global economic activity generally, and may adversely affect the financial condition of our tenants in particular. Although the full extent of the adverse impacts on our tenants cannot be predicted, in future periods we may experience reductions in on-time payments or closures of tenants’ businesses, which could have a material adverse effect on our results of operations, cash flows and financial condition.

Item 4.  Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

The Company’s management is responsible for establishing and maintaining adequate disclosure controls and procedures as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Disclosure controls and procedures means controls and other procedures of the Company that are designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act, is recorded, processed, summarized, and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Based on the evaluation of our disclosure controls and procedures as of March 31, 2022, our principal executive and financial officers have concluded that such disclosure controls and procedures were effective.

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Changes in Internal Control Over Financial Reporting

There have been no significant changes in our internal control over financial reporting during the three months ended March 31, 2022 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings.

We are subject to various legal proceedings and claims that arise in the ordinary course of business.  These matters are generally covered by insurance.  While the resolution of these matters cannot be predicted with certainty, management believes the final outcome of such matters will not have a material adverse effect on our financial position, results of operations or liquidity.

Former CEO Litigation

On February 23, 2022, the Company’s former CEO, James Mastandrea, filed suit against the Company and certain of its trustees (Nandita Berry, Jeff Jones, Jack Mahaffey, and David Taylor) and officers (David Holeman, Christine Mastandrea, Peter Tropoli) in the District Court of Harris County, Texas, alleging claims relating to the termination of claimant’s employment. Claimant purports to assert claims for breach of contract, breach of fiduciary duties, tortious interference with contract, civil conspiracy, and declaratory judgment. The claimant seeks $25 million in damages and equitable relief. However, the Company denies the claims, has substantial legal and factual defenses against the claims, and intends to vigorously defend against the claims. The Company does not believe a probable loss will be incurred, nor does it anticipate a material adverse effect on its financial position, results of operations, cash flows or liquidity. Therefore, the Company has not recorded a charge as a result of this action.

Item 1A. Risk Factors.

There has been no material change in our risk factors from those previously disclosed in Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2021.

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

(a)    During the period covered by this Quarterly Report on Form 10-Q, we did not sell any equity securities that were not registered under the Securities Act of 1933, as amended.

(b)    Not applicable.

(c)    During the three months ended March 31, 2022, none of our employees tendered owned common shares to satisfy the tax withholding on the lapse of certain restrictions on restricted common shares issued under the 2018 Plan. The following table summarizes all of these repurchases during the three months ended March 31, 2022.

Period	Total Number of Shares Purchased (1)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet be Purchased Under the Plans or Programs
January 1, 2022 through January 31, 2022	—	$	—	N/A	N/A
February 1, 2022 through February 28, 2022	—	—		N/A	N/A
March 1, 2022 through March 31, 2022	—	—		N/A	N/A
Total	—	$	—

(1)    The number of shares purchased represents common shares held by employees who tendered owned common shares to satisfy the tax withholding on the lapse of certain restrictions on restricted common shares issued under the 2018 Plan. With respect to these shares, the price paid per share is based on the fair market value at the time of tender.

Item 3. Defaults Upon Senior Securities.

None.

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Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

Item 6. Exhibits.

The exhibits listed on the accompanying Exhibit Index are filed, furnished and incorporated by reference (as stated therein) as part of this Report.

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EXHIBIT INDEX

Exhibit No. Description

3.1.1 Articles of Amendment and Restatement of Whitestone REIT (previously filed as and incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K, filed on July 31, 2008)

3.1.2 Articles Supplementary (previously filed as and incorporated by reference to Exhibit 3(i).1 to the Registrant's Current Report on Form 8-K, filed on December 6, 2006)

3.1.3 Articles of Amendment (previously filed as and incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K, filed on August 24, 2010)

3.1.4 Articles of Amendment (previously filed as and incorporated by reference to Exhibit 3.2 to the Registrant's Current Report on Form 8-K, filed on August 24, 2010)

3.1.5 Articles Supplementary (previously filed as and incorporated by reference to Exhibit 3.3 to the Registrant's Current Report on Form 8-K, filed on August 24, 2010)

3.1.6 Articles of Amendment (previously filed as and incorporated by reference to Exhibit 3.1.1 to the Registrant's Current Report on Form 8-K, filed on June 27, 2012)

3.1.7 Articles of Amendment (previously filed as and incorporated by reference to Exhibit 3.1.2 to the Registrant's Current Report on Form 8-K, filed on June 27, 2012)

3.1.8 Articles of Amendment (previously filed as and incorporated by reference to Exhibit 3.1.8 to the Registrant’s Annual Report on Form 10-K, filed on March 2, 2020)

3.1.9 Articles Supplementary for Series A Preferred Shares (previously filed and incorporated by reference to Exhibit 3.1. to the Registrant’s Current Report on Form 8-K filed on May 15, 2020)

3.2.1 Amended and Restated Bylaws of Whitestone REIT (previously filed as and incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed on March 24,2020)

3.2.2 Amendment No. 1 to Amended and Restated Bylaws of Whitestone REIT (previously filed as and incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed January 19, 2022)

4.1 Second Amendment to Rights Agreement, dated as of February 7, 2022, between Whitestone REIT and American Stock Transfer & Trust Company, LLC, as Rights Agent (previously filed and incorporated by reference to Exhibit 4.1 to the Registrant's Current Report on Form 8-K, filed February 11, 2022)

31.1* Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2* Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

32.1** Certificate of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

32.2** Certificate of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101 The following financial information of the Registrant for the quarter ended March 31, 2022, formatted in Inline XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets as of March 31, 2022 (unaudited) and December 31, 2021, (ii) the Consolidated Statements of Operations and Comprehensive Income for the three months ended March 31, 2022 and 2021 (unaudited), (iii) the Consolidated Statements of Changes in Equity for the three months ended March 31 and March 31, 2022 and 2021 (unaudited), (iv) the Consolidated Statement of Cash Flows for the three months ended March 31, 2022 and 2021 (unaudited) and (v) the Notes to the Consolidated Financial Statements (unaudited).

104 Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

 ________________________

*       Filed herewith.

**     Furnished herewith.    

+    Denotes management contract or compensatory plan or arrangement.

53

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.

		WHITESTONE REIT
Date:	May 6, 2022	/s/ David K. Holeman
		David K. Holeman
		Chief Executive Officer
		(Principal Executive Officer)

Date:	May 6, 2022	/s/ John S. Hogan
		John S. Hogan
		Chief Financial Officer
		(Principal Financial and Principal Accounting Officer)

54

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, David K. Holeman, certify that:

1.    I have reviewed this quarterly report on Form 10-Q, for the period ended March 31, 2022, of Whitestone REIT;

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

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

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

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

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

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

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

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

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

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

Date: May 6, 2022

/s/ David K. Holeman

David K. Holeman

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, John S. Hogan, certify that:

1.    I have reviewed this quarterly report on Form 10-Q, for the period ended March 31, 2022, of Whitestone REIT;

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

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

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

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

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

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

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

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

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

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

Date: May 6, 2022

/s/ John S. Hogan

John S. Hogan

Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    In connection with the quarterly report of Whitestone REIT, a Maryland real estate investment trust (the “Company”) on Form 10-Q for the period ended March 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David K. Holeman, Chief Executive Officer of the Company, certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ David K. Holeman

David K. Holeman

Chief Executive Officer

Date: May 6, 2022

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    In connection with the quarterly report of Whitestone REIT, a Maryland real estate investment trust (the “Company”) on Form 10-Q for the period ended March 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John S. Hogan, Chief Financial Officer of the Company, certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ John S. Hogan

John S. Hogan

Chief Financial Officer

Date: May 6, 2022

XML

Cover - shares	3 Months Ended
	Mar. 31, 2022	May 05, 2022
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Document Transition Report	false
Entity File Number	001-34855
Entity Registrant Name	Whitestone REIT
Entity Central Index Key	0001175535
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	76-0594970
Entity Address, Address Line One	2600 South Gessner,
Entity Address, Address Line Two	Suite 500
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77063
City Area Code	713
Local Phone Number	827-9595
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		49,146,826
Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Common Shares of Beneficial Interest, par value $0.001 per share
Trading Symbol	WSR
Security Exchange Name	NYSE
Preferred Stock
Entity Information [Line Items]
Title of 12(b) Security	Preferred Stock Purchase Rights
No Trading Symbol Flag	true
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Real estate assets, at cost
Property		$ 1,200,191	$ 1,196,919
Accumulated depreciation		(197,713)	(190,333)
Total real estate assets		1,002,478	1,006,586
Investment in real estate partnership		34,868	34,588
Cash and cash equivalents		11,136	15,721
Restricted cash		120	193
Escrows and acquisition deposits		9,449	11,323
Accrued rents and accounts receivable, net of allowance for doubtful accounts		23,936	22,395
Receivable due from related party		1,011	847
Unamortized lease commissions, legal fees and loan costs		8,458	8,442
Prepaid expenses and other assets	[1]	3,545	1,995
Total assets		1,095,001	1,102,090
Liabilities:
Notes payable		643,876	642,842
Accounts payable and accrued expenses	[2]	31,009	45,777
Payable due to related party		1,207	997
Tenants' security deposits		8,093	8,070
Dividends and distributions payable		5,990	5,366
Total liabilities		690,175	703,052
Commitments and contingencies:		0	0
Equity:
Preferred shares, $0.001 par value per share; 50,000,000 shares authorized; none issued and outstanding as of March 31, 2022 and December 31, 2021		0	0
Common shares, $0.001 par value per share; 400,000,000 shares authorized; 49,146,223 and 49,144,153 issued and outstanding as of March 31, 2022 and December 31, 2021, respectively		48	48
Additional paid-in capital		622,064	623,462
Accumulated deficit		(222,792)	(223,973)
Accumulated other comprehensive loss		(860)	(6,754)
Total Whitestone REIT shareholders' equity		398,460	392,783
Noncontrolling interest in subsidiary		6,366	6,255
Total equity		404,826	399,038
Total liabilities and equity		1,095,001	1,102,090
Operating lease right of use assets (net)		205	222
Operating lease liabilities		$ 210	$ 231

[1] Operating lease right of use assets (net)

[2] Operating lease liabilities

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred shares, par value per share (in dollars per share)	$ 0.001	$ 0.001
Preferred shares, shares authorized (in shares)	50,000,000	50,000,000
Preferred shares, shares issued (in shares)	0	0
Preferred shares, shares outstanding (in shares)	0	0
Common shares, par value per share (in dollars per share)	$ 0.001
Common shares, authorized (in shares)	400,000,000	400,000,000
Common shares, issued (in shares)	49,146,223	49,144,153
Common shares, outstanding (in shares)	49,146,223	49,144,153

XML

Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Rental	$ 33,808	$ 28,695
Management, transaction, and other fees	315	350
Total revenues	34,123	29,045
Operating expenses
Depreciation and amortization	7,910	7,013
Operating and maintenance	5,725	4,839
Real estate taxes	4,367	4,038
General and administrative	3,049	5,634
Total operating expenses	21,051	21,524
Other expenses (income)
Interest expense	6,061	6,132
(Gain) loss on sale or disposal of assets, net	15	(1)
Interest, dividend and other investment income	(14)	(49)
Total other expenses	6,062	6,082
Income before equity investment in real estate partnership and income tax	7,010	1,439
Equity in earnings of real estate partnership	280	89
Provision for income tax	(101)	(87)
Net income	7,189	1,441
Less: Net income attributable to noncontrolling interests	111	26
Net income attributable to Whitestone REIT	$ 7,078	$ 1,415
Basic Earnings Per Share:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.14	$ 0.03
Diluted Earnings Per Share:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.14	$ 0.03
Weighted average number of common shares outstanding:
Basic (in shares)	49,145	42,495
Diluted (in shares)	50,306	43,331
Consolidated Statements of Comprehensive Income
Net income	$ 7,189	$ 1,441
Other comprehensive income
Unrealized gain on cash flow hedging activities	5,986	2,221
Comprehensive income	13,175	3,662
Less: Net income attributable to noncontrolling interests	111	26
Less: Comprehensive income attributable to noncontrolling interests	92	41
Comprehensive income attributable to Whitestone REIT	12,972	3,595
Rental Revenues
Rental revenues	24,844	21,626
Recoveries	9,337	7,598
Bad debt	(373)	(529)
Total rental	$ 33,808	$ 28,695

XML

Consolidated Statement of Changes in Equity - USD ($) $ in Thousands		Total	OP Units	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Gain (Loss)	Total Shareholders' Equity	Noncontrolling Interests
Beginning Balance (in shares) at Dec. 31, 2020				42,391,000
Beginning Balance (in units) at Dec. 31, 2020									773,000
Beginning Balance at Dec. 31, 2020		$ 338,326		$ 42	$ 562,250	$ (215,809)	$ (14,400)	$ 332,083	$ 6,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of noncontrolling interest OP units for common shares (in shares)				0					0
Exchange of noncontrolling interest OP units for common shares		0			0			0	$ 0
Issuance of common shares - ATM Program, net of offering costs (in shares)				0
Issuance of common shares - ATM Program, net of offering costs		0			0			0
Exchange offer costs		0			0			0
Issuance of shares under dividend reinvestment plan (in shares)				2,000
Issuance of shares under dividend reinvestment plan		15			15			15
Repurchase of common shares (in shares)	[1]			(37,000)
Repurchase of common shares	[1]	(324)			(324)			(324)
Share-based compensation (in shares)				223,000
Share-based compensation		1,398		$ 1	1,397			1,398
Distributions		(4,705)				(4,622)		(4,622)	(83)
Unrealized loss on change in value of cash flow hedge		2,221					2,180	2,180	41
Net income		1,441				1,415		1,415	$ 26
Ending Balance (in shares) at Mar. 31, 2021				42,579,000
Ending Balance (in units) at Mar. 31, 2021									773,000
Ending Balance at Mar. 31, 2021		$ 338,372		$ 43	563,338	(219,016)	(12,220)	332,145	$ 6,227
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions (in usd per share)			$ 0.1075
Beginning Balance (in shares) at Dec. 31, 2021		49,144,153		49,144,000
Beginning Balance (in units) at Dec. 31, 2021			49,793,803						771,000
Beginning Balance at Dec. 31, 2021		$ 399,038		$ 48	623,462	(223,973)	(6,754)	392,783	$ 6,255
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of noncontrolling interest OP units for common shares (in shares)				(1,000)					(1,000)
Exchange of noncontrolling interest OP units for common shares		0			0			0	$ 0
Issuance of common shares - ATM Program, net of offering costs (in shares)				0
Issuance of common shares - ATM Program, net of offering costs		0			0			0
Exchange offer costs		0			0			0
Issuance of shares under dividend reinvestment plan (in shares)				1,000
Issuance of shares under dividend reinvestment plan		15			15			15
Repurchase of common shares (in shares)	[1]			0
Repurchase of common shares	[1]	0			0			0
Share-based compensation (in shares)				0
Share-based compensation		(1,413)		$ 0	(1,413)			(1,413)
Distributions		(5,989)				(5,897)		(5,897)	(92)
Unrealized loss on change in value of cash flow hedge		5,986					5,894	5,894	92
Net income		$ 7,189				7,078		7,078	$ 111
Ending Balance (in shares) at Mar. 31, 2022		49,146,223		49,146,000
Ending Balance (in units) at Mar. 31, 2022			49,795,151						770,000
Ending Balance at Mar. 31, 2022		$ 404,826		$ 48	$ 622,064	$ (222,792)	$ (860)	$ 398,460	$ 6,366
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions (in usd per share)		$ 0.1075	$ 0.1075

[1] The Company acquired common shares held by employees who tendered owned common shares to satisfy the tax withholding on the lapse of certain restrictions on restricted common shares.

XML

Consolidated Statement of Changes in Equity Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Distributions (in usd per share)	$ 0.1075
OP Units
Distributions (in usd per share)	$ 0.1075	$ 0.1075

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income		$ 7,189	$ 1,441
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		7,911	7,013
Amortization of deferred loan costs		274	274
(Gain) loss on sale or disposal of assets, net		15	(1)
Bad debt		372	529
Share-based compensation		(1,413)	1,398
Equity in earnings of real estate partnership		(280)	(89)
Changes in operating assets and liabilities:
Escrows and acquisition deposits		1,874	2,352
Accrued rents and accounts receivable		(1,913)	(829)
Receivable due from related party		(164)	(396)
Unamortized lease commissions, legal fees and loan costs		(697)	(844)
Prepaid expenses and other assets		295	611
Accounts payable and accrued expenses		(8,781)	(7,534)
Payable due to related party		210	35
Tenants' security deposits		23	143
Net cash provided by operating activities		4,915	4,103
Cash flows from investing activities:
Additions to real estate		(3,359)	(1,528)
Net cash used in investing activities		(3,359)	(1,528)
Cash flows from financing activities:
Distributions paid to common shareholders		(5,268)	(4,480)
Distributions paid to OP unit holders		(83)	(82)
Repayments of notes payable		(863)	(719)
Repurchase of common shares		0	(324)
Net cash used in financing activities		(6,214)	(5,605)
Net decrease in cash, cash equivalents and restricted cash		(4,658)	(3,030)
Cash, cash equivalents and restricted cash at beginning of period		15,914	25,956
Cash, cash equivalents and restricted cash at end of period	[1]	11,256	22,926
Supplemental disclosure of cash flow information:
Cash paid for interest		5,772	5,936
Non cash investing and financing activities:
Disposal of fully depreciated real estate		20	3
Financed insurance premiums		1,846	1,712
Value of shares issued under dividend reinvestment plan		15	15
Change in fair value of cash flow hedge		5,986	2,221
Cash, cash equivalents and restricted cash
Cash and cash equivalents		11,136	22,820
Restricted cash		120	106
Total cash, cash equivalents and restricted cash	[1]	$ 11,256	$ 22,926

[1] For a reconciliation of cash, cash equivalents and restricted cash, see supplemental disclosures below.

XML

Interim Financial Statements

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Interim Financial Statements

INTERIM FINANCIAL STATEMENTS

The consolidated financial statements included in this report are unaudited; however, amounts presented in the consolidated balance sheet as of December 31, 2021 are derived from our audited consolidated financial statements as of that date.  The unaudited consolidated financial statements as of and for the period ended March 31, 2022 have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information on a basis consistent with the annual audited consolidated financial statements and with the instructions to Form 10-Q.

The consolidated financial statements presented herein reflect all adjustments which, in the opinion of management, are necessary for a fair presentation of the financial position of Whitestone and our subsidiaries as of March 31, 2022 and December 31, 2021, and the results of operations for the three month periods ended March 31, 2022 and 2021, the consolidated statements of changes in equity for the three month periods ended March 31, 2022 and 2021 and cash flows for the three month periods ended March 31, 2022 and 2021.  All of these adjustments are of a normal recurring nature.  The results of operations for the interim periods are not necessarily indicative of the results expected for a full year.  The statements should be read in conjunction with the audited consolidated financial statements and the notes thereto which are included in our Annual Report on Form 10-K for the year ended December 31, 2021.

Business.  Whitestone was formed as a real estate investment trust (“REIT”) pursuant to the Texas Real Estate Investment Trust Act on August 20, 1998.  In July 2004, we changed our state of organization from Texas to Maryland pursuant to a merger where we merged directly with and into a Maryland REIT formed for the sole purpose of the reorganization and the conversion of each of the outstanding common shares of beneficial interest of the Texas entity into 1.42857 common shares of beneficial interest of the Maryland entity.  We serve as the general partner of Whitestone REIT Operating Partnership, L.P. (the “Operating Partnership”), which was formed on December 31, 1998 as a Delaware limited partnership.  We currently conduct substantially all of our operations and activities through the Operating Partnership.  As the general partner of the Operating Partnership, we have the exclusive power to manage and conduct the business of the Operating Partnership, subject to certain customary exceptions.  As of March 31, 2022 and December 31, 2021, Whitestone wholly owned 60 commercial properties in and around Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio.

As of March 31, 2022, these properties consist of:

Consolidated Operating Portfolio

•53 wholly owned properties that meet our Community Centered Properties® strategy; and

Redevelopment, New Acquisitions Portfolio

•two wholly owned properties, Lakeside Market and Anderson Arbor, that meet our Community Centered Properties® strategy containing approximately 0.2 and 0.1 million square feet of GLA and having a total carrying amount (net of accumulated depreciation) of $52.8 and $28.0 million, respectively.

•five parcels of land held for future development.

As of March 31, 2022, we, through our investment in Pillarstone Capital REIT Operating Partnership LP (“Pillarstone” or “Pillarstone OP”), owned a majority interest in eight properties that do not meet our Community Centered Property® strategy containing approximately 0.9 million square feet of GLA (the “Pillarstone Properties”). We own 81.4% of the total outstanding units of Pillarstone OP, which we account for using the equity method. We also manage the day-to-day operations of Pillarstone OP.

The global health crisis caused by COVID-19 and the related responses intended to control its spread may continue to adversely affect business activity, particularly relating to our retail tenants, across the markets in which we operate. In light of the changing nature of the COVID-19 pandemic, we are unable to predict the extent that its impact will have on our financial condition, results of operations and cash flows.

XML

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Consolidation.  We are the sole general partner of the Operating Partnership and possess full legal control and authority over the operations of the Operating Partnership. As of March 31, 2022 and December 31, 2021, we owned a majority of the partnership interests in the Operating Partnership. Consequently, the accompanying consolidated financial statements include the accounts of the Operating Partnership.

Noncontrolling interest in the accompanying consolidated financial statements represents the share of equity and earnings of the Operating Partnership allocable to holders of partnership interests other than us. Net income or loss is allocated to noncontrolling interests based on the weighted-average percentage ownership of the Operating Partnership during the period. Issuance of additional common shares of beneficial interest in Whitestone (the “common shares”) and units of limited partnership interest in the Operating Partnership that are convertible into cash or, at our option, common shares on a one-for-one basis (the “OP units”) changes the percentage of ownership interests of both the noncontrolling interests and Whitestone.

Equity Method. In accordance with ASU 2014-09 (“Topic 606”) and ASC 610, “Other Income-Gains and Losses from the Derecognition of Nonfinancial Assets,” the Company recognizes its investment in Pillarstone OP under the equity method.

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of Estimates.   The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the grant date fair value of common share units included in share-based compensation expense, the estimated allowance for doubtful accounts, the estimated fair value of interest rate swaps and the estimates supporting our impairment analysis for the carrying values of our real estate assets.  Actual results could differ from those estimates. In particular, the COVID-19 pandemic has adversely impacted and is likely to further adversely impact the Company’s business and markets, including the Company’s operations and the operations of its tenants. The full extent to which the pandemic will directly or indirectly impact the Company’s business, results of operations and financial condition, including revenues, expenses, reserves and allowances, fair value measurements, and asset impairment charges, will depend on future developments that are highly uncertain and difficult to predict. These developments include, but are not limited to, the duration and spread of the pandemic, its severity in our markets and elsewhere, the impact on our tenants’ businesses and financial condition, governmental actions to contain the spread of the pandemic and respond to the reduction in global economic activity, and how quickly and to what extent normal economic and operating conditions can resume.

Reclassifications.  We have reclassified certain prior period amounts in the accompanying consolidated financial statements in order to be consistent with the current period presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity.

Restricted Cash. We classify all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. During 2015, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (see Note 7 (Debt)), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note.

Derivative Instruments and Hedging Activities. We utilize derivative financial instruments, principally interest rate swaps, to manage our exposure to fluctuations in interest rates. We have established policies and procedures for risk assessment, and the approval, reporting and monitoring of derivative financial instruments. We recognize our interest rate swaps as cash flow hedges with the effective portion of the changes in fair value recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. Any ineffective portion of a cash flow hedges’ change in fair value is recorded immediately into earnings. Our cash flow hedges are determined using Level 2 inputs under ASC 820, “Fair Value Measurements and Disclosures.” Level 2 inputs represent quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable. As of March 31, 2022, we consider our cash flow hedges to be highly effective.

Development Properties. Land, buildings and improvements are recorded at cost. Expenditures related to the development of real estate are carried at cost which includes capitalized carrying charges and development costs. Carrying charges (interest, real estate taxes, loan fees, and direct and indirect development costs related to buildings under construction), are capitalized as part of construction in progress. The capitalization of such costs ceases when the property, or any completed portion, becomes available for occupancy. For the three months ended March 31, 2022, approximately $99,000 and $75,000 in interest expense and real estate taxes, respectively, were capitalized. For the three months ended March 31, 2021, approximately $102,000 and $79,000 in interest expense and real estate taxes, respectively, were capitalized.

Share-Based Compensation.   From time to time, we grant nonvested restricted common share awards or restricted common share unit awards, which may be converted into common shares, to executive officers and employees under our 2018 Long-Term Equity Incentive Ownership Plan (the “2018 Plan”).  Awarded shares and units vest when certain performance conditions are met.  We recognize compensation expense when achievement of the performance conditions is probable based on management’s most recent estimates using the fair value of the shares as of the grant date.  We recognized $(1,329,000) and $1,468,000 in share-based compensation net of forfeitures for the three months ended March 31, 2022 and 2021, respectively. On January 18, 2022, the Board of Trustees terminated James Mastandrea, with cause, from his position as Chief Executive Officer. Mr. Mastandrea was also replaced as Chairman of the Board. Following his termination, the Board of Trustees appointed Dave Holeman, previously our Chief Financial Officer, as Chief Executive Officer. The Company also recently replaced its Chief Operating Officer and Executive Vice President of Acquisitions and Asset Management. As a result of these changes, we recognized a reduction of share-based compensation of $2.2 million during the three months ended March 31, 2022 due to forfeitures. We recognize forfeitures as they occur.

Noncontrolling Interests.  Noncontrolling interests are the portion of equity in a subsidiary not attributable to a parent. Accordingly, we have reported noncontrolling interests in equity on the consolidated balance sheets but separate from Whitestone’s equity.  On the consolidated statements of operations and comprehensive income, subsidiaries are reported at the consolidated amount, including both the amount attributable to Whitestone and noncontrolling interests.  The consolidated statements of changes in equity is included for quarterly financial statements, including beginning balances, activity for the period and ending balances for shareholders’ equity, noncontrolling interests and total equity.

Accrued Rents and Accounts Receivable. Included in accrued rents and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. We review the collectability of charges under our tenant operating leases on a regular basis, taking into consideration changes in factors such as the tenant’s payment history, the financial condition of the tenant, business conditions in the industry in which the tenant operates and economic conditions in the area where the property is located, including the impact of the COVID-19 pandemic on tenants’ businesses and financial condition. We recognize an adjustment to rental revenue if we deem it probable that the receivable will not be collected. Our review of collectability under our operating leases includes any accrued rental revenues related to the straight-line method of reporting rental revenue. As of March 31, 2022 and December 31, 2021, we had an allowance for uncollectible accounts of $15.3 million and $14.9 million, respectively. During the three months ending March 31, 2022 and 2021, we recorded an adjustment to rental revenue for bad debt, exclusive of straight-line rent reserve adjustments, in the amount of a $0.4 million decrease to revenue and a $0.5 million decrease to revenue, respectively. The three months ended March 31, 2022 included 77 cash basis tenants, resulting in decreases to rental revenue for bad debt and straight-line rent adjustments of $0.23 million and $0.4 million, respectively, and the three months ended March 31, 2021 included 67 cash basis tenants, resulting in decreases to rental revenue for bad debt and straight-line rent adjustments of $0.5 million and $0.1 million, respectively.

Revenue Recognition. All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We combine lease and nonlease components in lease contracts, which includes combining base rent, recoveries, and percentage rents into a single line item, Rental, within the consolidated statements of operations and comprehensive income. Additionally, we have tenants who pay real estate taxes directly to the taxing authority. We exclude these costs paid directly by the tenant to third parties on our behalf from revenue recognized and the associated property operating expense.

Other property income primarily includes amounts recorded in connection with management fees and lease termination fees. Pillarstone OP pays us management fees for property management, leasing and day-to-day advisory and administrative services. Their obligations are satisfied over time. Pillarstone OP is billed monthly and typically pays quarterly. Revenues are governed by the Management Agreements (as defined in Note 6 (Investment in Real Estate Partnership)). Refer to Note 6 (Investment in Real Estate Partnership) for additional information regarding the Management Agreements with Pillarstone OP. Additionally, we recognize lease termination fees in the year that the lease is terminated and collection of the fee is probable. Amounts recorded within other property income are accounted for at the point in time when control of the goods or services transfers to the customer and our performance obligation is satisfied.

See our Annual Report on Form 10-K for the year ended December 31, 2021 for further discussion on significant accounting policies.

Recent Accounting Pronouncements. In April 2020, the FASB issued guidance on the application of Topic 842, relating to concessions being made by lessors in response to the COVID-19 pandemic. The guidance notes that it would be acceptable for entities to make an election to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed, even if such enforceable rights and obligations are not explicitly contained in the lease contract. Thus, for concessions relating to the COVID-19 pandemic, an entity would not have to analyze each contract to determine whether enforceable rights and obligations for concessions exist in the contract, and would have the option to apply, or not to apply, the general lease modification guidance in Topic 842 as it stands. We have elected this option to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed. Therefore, such concessions are not accounted for as a lease modification under Topic 842.

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Leases

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

Leases

LEASES

As a Lessor. All leases on our properties are classified as noncancelable operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We combine lease and nonlease components in lease contracts, which includes combining base rent, recoveries, and percentage rents into a single line item, Rental, within the consolidated statements of operations and comprehensive income.

A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, contingent rents, and collectability adjustments under Topic 842) under noncancelable operating leases in existence as of March 31, 2022 is as follows (in thousands):

Years Ended December 31,	Minimum Future Rents(1)
2022 (remaining)	$	70,547
2023	85,238
2024	71,462
2025	55,060
2026	40,249
Thereafter	117,717
Total	$	440,273

(1) These amounts do not reflect future rental revenues from the renewal or replacement of existing leases and exclude reimbursements of operating expenses and rental increases that are not fixed.

As a Lessee. We have office space, automobile, and office machine leases, which qualify as operating leases, with remaining lease terms of one to three years.

The following table summarizes the fixed, future minimum rental payments, excluding variable costs, which are discounted by our weighted average incremental borrowing rates to calculate the lease liabilities for our operating leases in which we are the lessee (in thousands):

Years Ended December 31,	March 31, 2022
2022 (remaining)	$	86
2023	65
2024	43
2025	28
2026	1
Thereafter	—
Total undiscounted rental payments	223
Less imputed interest	13
Total lease liabilities	$	210

For the three months ended March 31, 2022 and 2021, the total lease costs were $229,000 and $257,000, respectively. The weighted average remaining lease term for our operating leases was 2.9 years at March 31, 2022. We do not include renewal options in the lease term for calculating the lease liability unless we are reasonably certain we will exercise the option or the lessor has the sole ability to exercise the option. The weighted average incremental borrowing rate was 4.5% at March 31, 2022.

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Accrued Rents and Accounts Receivable, Net

3 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Accrued Rents and Accounts Receivable, Net

ACCRUED RENTS AND ACCOUNTS RECEIVABLE, NET

Accrued rents and accounts receivable, net consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands):

	March 31, 2022		December 31, 2021
Tenant receivables	$	18,678	$	18,410
Accrued rents and other recoveries	20,119		18,681
Allowance for doubtful accounts	(15,346)		(14,896)
Other receivables	485		200
Total	$	23,936	$	22,395

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Unamortized Lease Commissions, Legal Fees and Loan Costs

3 Months Ended

Mar. 31, 2022

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Unamortized Lease Commissions, Legal Fees and Loan Costs

UNAMORTIZED LEASE COMMISSIONS, LEGAL FEES AND LOAN COSTS

Costs which have been deferred consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Leasing commissions	$	13,948	$	13,341
Deferred legal cost	391		365
Deferred financing cost	3,898		3,898
Total cost	18,237		17,604
Less: leasing commissions accumulated amortization	(6,691)		(6,305)
Less: deferred legal cost accumulated amortization	(257)		(248)
Less: deferred financing cost accumulated amortization	(2,831)		(2,609)
Total cost, net of accumulated amortization	$	8,458	$	8,442

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Investment in Real Estate Partnership

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Investment in Real Estate Partnership

INVESTMENT IN REAL ESTATE PARTNERSHIP

On December 8, 2016, we, through our Operating Partnership, entered into a Contribution Agreement (the “Contribution Agreement”) with Pillarstone OP and Pillarstone Capital REIT (“Pillarstone REIT”) pursuant to which we contributed all of the equity interests in four of our wholly-owned subsidiaries that, at the time, owned 14 non-core properties that did not fit our Community Centered Property® strategy (the “Pillarstone Properties”), to Pillarstone OP for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP (“Pillarstone OP Units”) and (2) the assumption of approximately $65.9 million of liabilities (collectively, the “Contribution”).

In connection with the Contribution, Whitestone TRS, Inc., a subsidiary of the Company (“Whitestone TRS”), entered into a management agreement with the entities that own the contributed Pillarstone Properties (collectively, the “Management Agreements”). Pursuant to the Management Agreements, Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services in exchange for (x) a monthly property management fee equal to 5.0% of the monthly revenues of such Pillarstone Property and (y) a monthly asset management fee equal to 0.125% of GAV of such Pillarstone Property, with the exception of Uptown Tower, in which case services to Pillarstone OP are provided in exchange for (x) a monthly property management fee equal to 3.0% of the monthly revenues of Uptown Tower and (y) a monthly asset management fee equal to 0.125% of GAV of Uptown Tower. The Management Agreements are automatically renewable on a month to month basis; provided that each Management Agreement can be terminated by either party thereto upon not less than thirty days’ prior written notice to the other party. None of the Management Agreements had been terminated as of March 31, 2022.

In connection with the Contribution, on December 8, 2016, the Operating Partnership entered into a Tax Protection Agreement with Pillarstone REIT and Pillarstone OP pursuant to which Pillarstone OP agreed to indemnify the Operating Partnership for certain tax liabilities resulting from its recognition of income or gain prior to December 8, 2021 if such liabilities result from a transaction involving a direct or indirect taxable disposition of all or a portion of the Pillarstone Properties or if Pillarstone OP fails to maintain and allocate to the Operating Partnership for taxation purposes minimum levels of liabilities as specified in the Tax Protection Agreement, the result of which causes such recognition of income or gain and the Company incurs taxes that must be paid to maintain its REIT status for federal income tax purposes.

The table below presents the real estate partnership investment in which the Company holds an ownership interest (in thousands):

		Company’s Investment as of
		March 31, 2022		December 31, 2021
Real estate partnership	Ownership Interest
Pillarstone OP(1)	81.4%	$	34,868	$	34,588
Total real estate partnership(2)(3)		$	34,868	$	34,588

(1) The Company manages these real estate partnership investments and, where applicable, earns acquisition fees, leasing commissions, property management fees, and asset management fees.

(2) Representing eight property interests and 926,798 square feet of GLA, as of March 31, 2022 and December 31, 2021.

(3) On December 26, 2021, the Board of Trustees of Pillarstone REIT adopted a new rights agreement (the “Pillarstone Rights Agreement”), pursuant to which each holder of Pillarstone REIT common stock received one preferred share purchase right (a “Right”) per common share held as of the applicable record date. Each Right entitles the registered holder to purchase from Pillarstone REIT one one-thousandth (a “Unit”) of a series D preferred share of Pillarstone at a purchase price (“Purchase Price”) of $7.00 per Unit, subject to adjustment. The Rights are exercisable upon the occurrence of certain events as described in the Pillarstone Rights Agreement, including the acquisition by certain holders of 5% or more of the common shares of Pillarstone REIT (an “Acquiring Person”). Upon the acquisition of Pillarstone REIT common shares by an Acquiring Person, each holder of a Right (other than an Acquiring Person), will have the right to receive upon exercise a number of Pillarstone REIT common shares having a market value of two times the Purchase Price. As set forth in the Amended and Restated Limited Partnership Agreement of Pillarstone OP, dated as of December 8, 2016 (the “Pillarstone Partnership Agreement”), we have the contractual right to have our limited partnership interests in Pillarstone redeemed at our discretion. However, upon receipt of a redemption notice, Pillarstone OP has the option of the applicable redemption price in cash, based on the market value of Pillarstone REIT common shares, or in Pillarstone REIT common shares. To the extent we seek to have our partnership units in Pillarstone OP redeemed and Pillarstone OP elects to pay the applicable redemption price in Pillarstone REIT common shares (and such shares represent 5% or more of the outstanding common shares of Pillarstone REIT), the Rights could become exercisable. To the extent the Rights are exercised as a result of our Pillarstone OP units being redeemed for Pillarstone REIT common shares, our ownership interest in Pillarstone REIT would be significantly diluted, which could adversely impact the value of our investment in Pillarstone OP. While we do not believe the overall impact of the Pillarstone Rights Agreement on the value of our investment in Pillarstone OP is material, we cannot reasonably estimate a range of possible loss at this time.

The table below presents the Company’s share of net income from its investment in the real estate partnership which is included in equity in earnings of real estate partnership, net on the Company’s consolidated statements of operations and comprehensive income (in thousands):

	Three Months Ended March 31,
	2022		2021
Pillarstone OP	$	280	$	89

Summarized financial information for the Company’s investment in real estate partnership is as follows (in thousands):

	March 31, 2022		December 31, 2021
Assets:
Real estate, net	$	48,226	$	48,273
Other assets	8,882		8,790
Total assets	57,108		57,063
Liabilities and equity:
Notes payable	15,129		14,920
Other liabilities	2,659		3,200
Equity	39,320		38,943
Total liabilities and equity	57,108		57,063
Company’s share of equity	32,025		31,718
Cost of investment in excess of the Company’s share of underlying net book value	2,843		2,870
Carrying value of investment in real estate partnership	$	34,868	$	34,588

	Three Months Ended March 31,
	2022		2021
Revenues	$	2,326	$	2,190
Operating expenses	(1,605)		(1,707)
Other expenses	(344)		(348)
Net income	$	377	$	135

The amortization of the basis difference between the cost of investment and the Company's share of underlying net book value for both of the three months periods ended March 31, 2022 and 2021 is $27,000. The Company amortized the difference into equity in earnings of real estate partnership on the consolidated statements of operations and comprehensive income.

The Company has evaluated its guarantee to Pillarstone OP pursuant to ASC 460, “Guarantees,” and has determined the guarantee to be a performance guarantee, for which ASC 460 contains initial recognition and measurement requirements, and related disclosure requirements. The Company is obligated in two respects: (i) a noncontingent liability, which represents the Company’s obligation to stand ready to perform under the terms of the guarantee in the event that the specified triggering event(s) occur; and (ii) the contingent liability, which represents the Company’s obligation to make future payments if those triggering events occur. The fair value of our loan guarantee to Pillarstone OP is estimated on a Level 3 basis (as provided by ASC 820), using a probability-weighted discounted cash flow analysis based on a discount rate, discounting the loan balance. The Company recognized a noncontingent liability of $462,000 at the inception of the guarantee at fair value which is recorded on the Company’s consolidated balance sheets, net of accumulated amortization. The Company will amortize the guarantee liability into income over seven years. For the three months ended March 31, 2022 and 2021, the amortization of the guarantee liability was approximately $9,000 and $10,000, respectively.

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Debt

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Debt

DEBT

Certain subsidiaries of Whitestone are the borrowers under various financing arrangements. These subsidiaries are separate legal entities, and their respective assets and credit are not available to satisfy the debt of Whitestone or any of its other subsidiaries.

Debt consisted of the following as of the dates indicated (in thousands):

Description	March 31, 2022		December 31, 2021
Fixed rate notes
$100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 30, 2022 (1)	$	100,000	$	100,000
$165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 (2)	165,000		165,000
$80.0 million, 3.72% Note, due June 1, 2027	80,000		80,000
$19.0 million 4.15% Note, due December 1, 2024	18,272		18,358
$20.2 million 4.28% Note, due June 6, 2023	17,699		17,808
$14.0 million 4.34% Note, due September 11, 2024	12,910		12,978
$14.3 million 4.34% Note, due September 11, 2024	13,708		13,773
$15.1 million 4.99% Note, due January 6, 2024	13,838		13,907
$2.6 million 5.46% Note, due October 1, 2023	2,275		2,289
$50.0 million, 5.09% Note, due March 22, 2029	50,000		50,000
$50.0 million, 5.17% Note, due March 22, 2029	50,000		50,000
$1.8 million 3.15% Note, due November 28, 2022	1,394		—
Floating rate notes
Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023	119,500		119,500
Total notes payable principal	644,596		643,613
Less deferred financing costs, net of accumulated amortization	(720)		(771)
Total notes payable	$	643,876	$	642,842

(1)    Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 (as defined below) at 1.73%.

(2)    Promissory note includes an interest rate swap that fixed the LIBOR portion of the interest rate at an average rate of 2.24% for the duration of the term through January 31, 2024.

A number of our current debt agreements have an interest rate tied to LIBOR. Some of these agreements provide procedures for determining an alternative base rate in the event that LIBOR is discontinued, but not all do so. Regardless, there can be no assurances as to what alternative base rates may be and whether such base rate will be more or less favorable than LIBOR and any other unforeseen impacts of the discontinuation of LIBOR. The Company is monitoring the developments with respect to the phasing out of LIBOR after 2021 and working with its lenders to ensure any transition away from LIBOR will have minimal impact on its financial condition, but can provide no assurances regarding the impact of the discontinuation of LIBOR.

On March 22, 2019, we, through our Operating Partnership, entered into a Note Purchase and Guarantee Agreement (the “Note Agreement”) together with certain subsidiary guarantors as initial guarantor parties thereto (the “Subsidiary Guarantors”) and The Prudential Insurance Company of America and the various other purchasers named therein (collectively, the “Purchasers”) providing for the issuance and sale of $100 million of senior unsecured notes of the Operating Partnership, of which (i) $50 million are designated as 5.09% Series A Senior Notes due March 22, 2029 (the “Series A Notes”) and (ii) $50 million are designated as 5.17% Series B Senior Notes due March 22, 2029 (the “Series B Notes” and, together with the Series A Notes, the “Notes”) pursuant to a private placement that closed on March 22, 2019 (the “Private Placement”). Obligations under the Notes are unconditionally guaranteed by the Company and by the Subsidiary Guarantors.

The principal of the Series A Notes will begin to amortize on March 22, 2023 with annual principal payments of approximately $7.1 million. The principal of the Series B Notes will begin to amortize on March 22, 2025 with annual principal payments of $10.0 million. The Notes will pay interest quarterly on the 22nd day of March, June, September and December in each year until maturity.

The Operating Partnership may prepay at any time all, or from time to time part of, the Notes, in an amount not less than $1,000,000 in the case of a partial prepayment, at 100% of the principal amount so prepaid, plus a make-whole amount. The make-whole amount is equal to the excess, if any, of the discounted value of the remaining scheduled payments with respect to the Notes being prepaid over the aggregate principal amount of such Notes (as described in the Note Agreement). In addition, in connection with a Change of Control (as defined in the Note Purchase Agreement), the Operating Partnership is required to offer to prepay the Notes at 100% of the principal amount plus accrued and unpaid interest thereon.

The Note Agreement contains representations, warranties, covenants, terms and conditions customary for transactions of this type and substantially similar to the Operating Partnership’s existing senior revolving credit facility, including limitations on liens, incurrence of investments, acquisitions, loans and advances and restrictions on dividends and certain other restricted payments. In addition, the Note Agreement contains certain financial covenants substantially similar to the Operating Partnership’s existing senior revolving credit facility, including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

In addition, the Note Agreement contains a financial covenant requiring that maximum unsecured debt not exceed the lesser of (i) an amount equal to 60% of the aggregate unencumbered asset value and (ii) the debt service coverage amount (as described in the Note Agreement). That covenant is substantially similar to the borrowing base concept contained in the Operating Partnership’s existing senior revolving credit facility.

The Note Agreement also contains default provisions, including defaults for non-payment, breach of representations and warranties, insolvency, non-performance of covenants, cross-defaults with other indebtedness and guarantor defaults. The occurrence of an event of default under the Note Agreement could result in the Purchasers accelerating the payment of all obligations under the Notes. The financial and restrictive covenants and default provisions in the Note Agreement are substantially similar to those contained in the Operating Partnership’s existing credit facility.

Net proceeds from the Private Placement were used to refinance existing indebtedness. The Notes have not been and will not be registered under the Securities Act of 1933, as amended (the “Securities Act”), and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. The Notes were sold in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act.

On January 31, 2019, we, through our Operating Partnership, entered into an unsecured credit facility (the “2019 Facility”) with the lenders party thereto, Bank of Montreal, as administrative agent (the “Agent”), SunTrust Robinson Humphrey, as syndication agent, and BMO Capital Markets Corp., U.S. Bank National Association, SunTrust Robinson Humphrey and Regions Capital Markets, as co-lead arrangers and joint book runners. The 2019 Facility amended and restated the 2018 Facility (as defined below).

The 2019 Facility is comprised of the following three tranches:

•$250.0 million unsecured revolving credit facility with a maturity date of January 1, 2023 (the “2019 Revolver”);

•$165.0 million unsecured term loan with a maturity date of January 31, 2024 (“Term Loan A”); and

•$100.0 million unsecured term loan with a maturity date of October 30, 2022 (“Term Loan B” and together with Term Loan A, the “2019 Term Loans”).

Borrowings under the 2019 Facility accrue interest (at the Operating Partnership's option) at a Base Rate or an Adjusted LIBOR plus an applicable margin based upon our then existing leverage. As of March 31, 2022, the interest rate on the 2019 Revolver was 1.65%. The applicable margin for Adjusted LIBOR borrowings ranges from 1.40% to 1.90% for the 2019 Revolver and 1.35% to 1.90% for the 2019 Term Loans. Base Rate means the higher of: (a) the Agent’s prime commercial rate, (b) the sum of (i) the average rate quoted by the Agent by two or more federal funds brokers selected by the Agent for sale to the Agent at face value of federal funds in the secondary market in an amount equal or comparable to the principal amount for which such rate is being determined, plus (ii) 1/2 of 1.00%, and (c) the LIBOR rate for such day plus 1.00%. Adjusted LIBOR means LIBOR divided by one minus the Eurodollar Reserve Percentage. The Eurodollar Reserve Percentage means the maximum reserve percentage at which reserves are imposed by the Board of Governors of the Federal Reserve System on eurocurrency liabilities. Pursuant to the 2019 Facility, in the event of certain circumstances that result in the unavailability of LIBOR, including but not limited to LIBOR no longer being a widely recognized benchmark rate for newly originated dollar loans in the U.S. market, the Operating Partnership and the Agent will establish an alternate interest rate to LIBOR giving due consideration to prevailing market conventions and will amend the 2019 Facility to give effect to such alternate interest rate.

The 2019 Facility includes an accordion feature that will allow the Operating Partnership to increase the borrowing capacity by $200.0 million, upon the satisfaction of certain conditions. As of March 31, 2022, subject to any potential future paydowns or increases in the borrowing base, we have $96.2 million remaining availability under the 2019 Revolver. As of March 31, 2022, $384.5 million was drawn on the 2019 Facility and our unused borrowing capacity was $130.0 million, assuming that we use the proceeds of the 2019 Facility to acquire properties, or to repay debt on properties, that are eligible to be included in the unsecured borrowing base. The Company used $446.2 million of proceeds from the 2019 Facility to repay amounts outstanding under the 2018 Facility and intends to use the remaining proceeds from the 2019 Facility for general corporate purposes, including property acquisitions, debt repayment, capital expenditures, the expansion, redevelopment and re-tenanting of properties in its portfolio and working capital.

The Company, each direct and indirect material subsidiary of the Operating Partnership and any other subsidiary of the Operating Partnership that is a guarantor under any unsecured ratable debt will serve as a guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, customary representations and warranties and affirmative and negative covenants including, without limitation, information reporting requirements, limitations on investments, acquisitions, loans and advances, mergers, consolidations and sales, incurrence of liens, dividends and restricted payments. In addition, the 2019 Facility contains certain financial covenants including the following:

•maximum total indebtedness to total asset value ratio of 0.60 to 1.00;

•maximum secured debt to total asset value ratio of 0.40 to 1.00;

•minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges ratio of 1.50 to 1.00;

•maximum other recourse debt to total asset value ratio of 0.15 to 1.00; and

•maintenance of a minimum tangible net worth (adjusted for accumulated depreciation and amortization) of $372 million plus 75% of the net proceeds from additional equity offerings (as defined therein).

We serve as the guarantor for funds borrowed by the Operating Partnership under the 2019 Facility. The 2019 Facility contains customary terms and conditions, including, without limitation, affirmative and negative covenants such as information reporting requirements, maximum secured indebtedness to total asset value, minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges, and maintenance of a minimum net worth. The 2019 Facility also contains customary events of default with customary notice and cure, including, without limitation, nonpayment, breach of covenant, misrepresentation of representations and warranties in a material respect, cross-default to other major indebtedness, change of control, bankruptcy and loss of REIT tax status.

As of March 31, 2022, our $158.7 million in secured debt was collateralized by seven properties with a carrying value of $245.9 million.  Our loans contain restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt and are secured by deeds of trust on certain of our properties and by assignment of the rents and leases associated with those properties. As of March 31, 2022, we were in compliance with all loan covenants.

Scheduled maturities of our outstanding debt as of March 31, 2022 were as follows (in thousands):

Year	Amount Due
2022 (remaining)	$	102,945
2023	147,363
2024	228,574
2025	17,143
2026	17,143
Thereafter	131,428
Total	$	644,596

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Derivatives and Hedging Activities

3 Months Ended

Mar. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

DERIVATIVES AND HEDGING ACTIVITIES

The fair value of our interest rate swaps is as follows (in thousands):

	March 31, 2022
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(873)

	December 31, 2021
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(6,860)

On January 31, 2019, we, through our Operating Partnership, entered into an interest rate swap of $115 million with Bank of Montreal that fixed the LIBOR portion of Term Loan A under the 2019 Facility at 2.43%. Pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $22.7 million of the swap to U.S. Bank, National Association, $20.5 million of the swap to Regions Bank, $27.9 million of the swap to SunTrust Bank, and $10.5 million of the swap to Associated Bank. See Note 7 (Debt) for additional information regarding the 2019 Facility. The swap began on November 9, 2020 and matured on February 8, 2021. We designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value recorded in comprehensive income.

On January 31, 2019, we, through our Operating Partnership, entered into an interest rate swap of $165 million with Bank of Montreal that fixed the LIBOR portion of Term Loan A under the 2019 Facility at 2.43%. Pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $32.6 million of the swap to U.S. Bank, National Association, $29.4 million of the swap to Regions Bank, $40.0 million of the swap to SunTrust Bank, and $15.0 million of the swap to Associated Bank. See Note 7 (Debt) for additional information regarding the 2019 Facility. The swap began on February 8, 2021 and will mature on January 31, 2024. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. The Company does not expect any amount of the existing gains or losses to be reclassified into earnings within the next 12 months.

On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 3 under the 2018 Facility at 1.73%. In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $35.0 million of the swap to U.S. Bank, National Association, and $15.0 million of the swap to SunTrust Bank. See Note 7 (Debt) for additional information regarding the 2018 Facility. The swap began on November 30, 2015 and will mature on October 28, 2022. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. The Company does not expect any amount of the existing gains or losses to be reclassified into earnings within the next 12 months.

On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 2 under the 2018 Facility at 1.50%. In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $3.8 million of the swap to Regions Bank, $6.5 million of the swap to U.S. Bank, National Association, $14.0 million of the swap to Wells Fargo Bank, National Association, $14.0 million of the swap to Bank of America, N.A., and $5.0 million of the swap to SunTrust Bank. See Note 7 (Debt) for additional information regarding the 2018 Facility. The swap began on December 7, 2015 and matured on January 29, 2021. We designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value recorded in comprehensive income.

A summary of our interest rate swap activity is as follows (in thousands):

	Amount Recognized as Comprehensive income		Location of Income (Loss) Recognized in Earnings	Amount of Income (Loss) Recognized in Earnings (1)
Three Months Ended March 31, 2022	$	5,986	Interest expense	$	(1,331)
Three Months Ended March 31, 2021	$	2,221	Interest expense	$	(1,276)

(1)    There was no ineffective portion of our interest rate swaps to recognize in earnings for the three months ended March 31, 2022 and 2021.

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Earnings Per Share

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

Basic earnings per share for our common shareholders is calculated by dividing net income excluding the net income attributable to unvested restricted common shares and the net income attributable to noncontrolling interests, by our weighted average common shares outstanding during the period.  Diluted earnings per share is computed by dividing the net income attributable to common shareholders, excluding the net income attributable to unvested restricted common shares and the net income attributable to noncontrolling interests, by the weighted average number of common shares including any dilutive unvested restricted common shares.

Certain of our performance-based restricted common shares are considered participating securities that require the use of the two-class method for the computation of basic and diluted earnings per share.  During the three months ended March 31, 2022 and 2021, 770,184 and 772,775 OP units, respectively, were excluded from the calculation of diluted earnings per share because their effect would be anti-dilutive.

	Three Months Ended March 31,
(in thousands, except per share data)	2022		2021
Numerator:
Income from continuing operations	$	7,189	$	1,441
Less: Net income attributable to noncontrolling interests	(111)		(26)
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	7,078	$	1,415
Denominator:
Weighted average number of common shares - basic	49,145		42,495
Effect of dilutive securities:
Unvested restricted shares	1,161		836
Weighted average number of common shares - dilutive	50,306		43,331
Earnings Per Share:
Basic:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03
Diluted:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03

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Income Taxes

3 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

With the exception of our taxable REIT subsidiaries, federal income taxes are generally not provided because we intend to and believe we continue to qualify as a REIT under the provisions of the Internal Revenue Code of 1986, as amended (the “Code”), and because we have distributed and intend to continue to distribute all of our taxable income to our shareholders.  As a REIT, we must distribute at least 90% of our REIT taxable income to our shareholders and meet certain income sources and investment restriction requirements.  In addition, REITs are subject to a number of organizational and operational requirements.  If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax (including any applicable alternative minimum tax) on our taxable income at regular corporate tax rates.

We are subject to the Texas Margin Tax, which is computed by applying the applicable tax rate (0.75% for us) to the profit margin, which generally will be determined for us as total revenue less a 30% standard deduction.  Although the Texas Margin Tax is not an income tax, FASB ASC 740, “Income Taxes” applies to the Texas Margin Tax.  For the three months ended March 31, 2022 and 2021, we recognized approximately $101,000 and $88,000 in margin tax provision, respectively.

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Equity

3 Months Ended

Mar. 31, 2022

Stockholders' Equity Note [Abstract]

Equity

EQUITY

Common Shares    

Under our declaration of trust, as amended, we have authority to issue up to 400,000,000 common shares of beneficial interest, $0.001 par value per share, and up to 50,000,000 preferred shares of beneficial interest, $0.001 par value per share.

Equity Offerings

On May 31, 2019, we entered into nine equity distribution agreements for an at-the-market equity distribution program (the “2019 equity distribution agreements”) providing for the issuance and sale of up to an aggregate of $100 million of the Company’s common shares pursuant to our Registration Statement on Form S-3 (File No. 333-225007). Actual sales will depend on a variety of factors determined by us from time to time, including (among others) market conditions, the trading price of our common shares, capital needs and our determinations of the appropriate sources of funding for us, and were made in transactions that will be deemed to be “at-the-market” offerings as defined in Rule 415 under the Securities Act. We have no obligation to sell any of our common shares and can at any time suspend offers under the 2019 equity distribution agreements or terminate the 2019 equity distribution agreements. For the three months ended March 31, 2022 and March 31, 2021 we did not sell shares under the 2019 equity distribution agreements.

Operating Partnership Units

Substantially all of our business is conducted through our Operating Partnership.  We are the sole general partner of the Operating Partnership.  As of March 31, 2022, we owned a 98.5% interest in the Operating Partnership.

Limited partners in the Operating Partnership holding OP units have the right to redeem their OP units for cash or, at our option, common shares at a ratio of one OP unit for one common share.  Distributions to OP unit holders are paid at the same rate per unit as distributions per share to holders of Whitestone common shares.  As of March 31, 2022 and December 31, 2021, there were 49,795,151 and 49,793,803 OP units outstanding, respectively.  We owned 49,025,273 and 49,023,313 OP units as of March 31, 2022 and December 31, 2021, respectively. The balance of the OP units is owned by third parties, including certain members of our board of trustees.  Our weighted average share ownership in the Operating Partnership was approximately 98.5% and 98.2% for the three months ended March 31, 2022 and 2021, respectively. During the three months ended March 31, 2022 and 2021, 612 and 0 OP units, respectively, were redeemed for an equal number of common shares.

 Distributions

The following table summarizes the cash distributions paid or payable to holders of common shares and to holders of noncontrolling OP units during each quarter of 2021 and the three months ended March 31, 2022 (in thousands, except per share/per OP unit data):

	Common Shares				Noncontrolling OP Unit Holders				Total
Quarter Paid	Distributions Per Common Share		Amount Paid		Distributions Per OP Unit		Amount Paid		Amount Paid
2022
First Quarter	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
Total	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
2021
Fourth Quarter	$	0.1075	$	5,257	$	0.1075	$	83	$	5,340
Third Quarter	0.1075		4,981		0.1075		83		5,064
Second Quarter	0.1075		4,602		0.1075		83		4,685
First Quarter	0.1058		4,480		0.1058		82		4,562
Total	$	0.4283	$	19,320	$	0.4283	$	331	$	19,651

The Board will regularly reassess the dividend, particularly as there is more clarity on the duration and severity of the COVID-19 pandemic and as business conditions improve.

Shareholders' Rights Plan

On May 14, 2020, the Board authorized a dividend of one preferred share purchase right (a “Right”) for each outstanding common share of beneficial interest, par value $0.001 per share, of the Company (the “Common Shares”). The dividend is payable on May 26, 2020 (the “Record Date”), to the holders of record of Common Shares as of 5:00 P.M., New York City time, on the Record Date. The description and terms of the Rights are set forth in a rights agreement, dated as of May 14, 2020 (as the same may be amended from time to time, the “Rights Agreement”), between the Company and American Stock Transfer & Trust Company, LLC, as rights agent (the “Rights Agent”). Each Right entitles the registered holder to purchase from the Company one one-thousandth (a “Unit”) of a Series A Preferred Share, par value $0.001 per share (each a “Preferred Share”), of the Company at a purchase price (“Purchase Price”) of $30.00 per Unit, subject to adjustment.

The Board adopted the Rights Agreement to ensure that the Board remains in the best position to fulfill its duties and is intended to promote the fair and equal treatment of all shareholders by guarding against opportunistic efforts to capitalize on recent macroeconomic conditions, including open market accumulations or other tactics, aimed at gaining control of the Company without paying an appropriate control premium to deliver sufficient value for all Company shareholders.

The Rights will expire on the earliest of (i) the close of business on May 13, 2021, (ii) the time at which the Rights are redeemed pursuant to the Rights Agreement, (iii) the closing of any merger or other acquisition transaction involving the Company that has been approved by the Board, at which time the Rights are terminated, and (iv) the time at which the Rights are exchanged pursuant to the Rights Agreement (such earliest date, the “Expiration Date”).

On April 21, 2021, the Company entered into the First Amendment to Rights Agreement (the “First Amendment”) with the Rights Agent. The First Amendment amends the Rights Agreement by and between the Company and the Rights Agent, solely to extend the expiration date of the rights under the Rights Agreement from the close of business on May 13, 2021 to the close of business on May 13, 2022, unless earlier exercised, exchanged, amended, redeemed, or terminated.

On February 7, 2022, the Company entered into the Second Amendment to Rights Agreement (the “Second Amendment”) with the Rights Agent. The Second Amendment amends the First Amendment to the Rights Agreement by and between the Company and the Rights Agent, solely to accelerate the expiration date of the rights under the Rights Agreement from the close of business on May 13, 2022 to the close of business on February 7, 2022. As a result of the Second Amendment, effective as of the close of business on February 7, 2022, the Rights as defined in the Rights Agreement have expired and cease to be outstanding.

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Incentive Share Plan

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Incentive Share Plan

INCENTIVE SHARE PLAN

The Company’s 2008 Long-Term Equity Incentive Ownership Plan (as amended, the “2008 Plan”) expired in July 2018. At the Company’s annual meeting of shareholders on May 11, 2017, our shareholders voted to approve the 2018 Long-Term Equity Incentive Ownership Plan (the “2018 Plan”). The 2018 Plan provides for the issuance of up to 3,433,831 common shares and OP units pursuant to awards under the 2018 Plan. The 2018 Plan became effective on July 30, 2018, which is the day after the 2008 Plan expired.

The Compensation Committee administered the 2008 Plan and administers the 2018 Plan except, in each case, with respect to awards to non-employee trustees, for which the 2008 Plan was and the 2018 Plan is administered by the board of trustees. The Compensation Committee is authorized to grant share options, including both incentive share options and non-qualified share options, as well as share appreciation rights, either with or without a related option. The Compensation Committee is also authorized to grant restricted common shares, restricted common share units, performance awards and other share-based awards. On September 6, 2017, the Compensation Committee approved the grant of an aggregate of 965,000 performance-based restricted common share units under the 2008 Plan which only vest immediately prior to the consummation of a Change in Control (as defined in the 2008 Plan) that occurs on or before September 30, 2024 (the “CIC Units”) to certain of our employees. Continued employment is required through the vesting date. If a Change in Control does not occur on or before September 30, 2024, the CIC Units shall be immediately forfeited. The Company considers a Change in Control on or before September 30, 2024 to be improbable, and no expense has been recognized for the CIC Units. If a Change in Control occurs, any outstanding CIC Units would be expensed immediately on the date of the Change in Control using the grant date fair value. The grant date fair value for each CIC Unit of $13.05 was determined based on the Company’s closing share price on the grant date.     

On March 16, 2018, the Compensation Committee approved the grant of an aggregate of 387,499 time-based restricted common share units under the 2008 Plan, which vest annually in three equal installments, and 4,300 performance-based restricted common share units to certain of our employees.

On December 1, 2018, the Compensation Committee approved the grant of an aggregate of 229,684 performance-based restricted common share units with market-based vesting conditions (“TSR Units”) under the 2018 Plan to certain of our employees. Vesting is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $14.89 was determined using the Monte Carlo simulation method and was recognized as share-based compensation expense ratably from the December 1, 2018 grant date to the end of the performance period, December 31, 2020. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. On January 1, 2021, the remaining unvested 208,210 TSR Units that were granted on December 1, 2018 vested at a 50% achievement into 104,105 common shares.

On June 30, 2019, the Compensation Committee approved the grant of an aggregate of 405,417 TSR Units and 317,184 time-based restricted common share units under the 2018 Plan to certain of our employees. On September 30, 2019, the Compensation Committee approved the grant of 17,069 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $8.22 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the June 30, 2019 grant date to the end of the performance period, December 31, 2021. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. On December 31, 2021, the remaining unvested 385,648 TSR Units that were granted on June 30, 2019 and September 30, 2019 vested at 0% attainment into 0 common shares. The time-based restricted common share units have a grant date fair value of $10.63 and $11.69 and vest annually in three equal installments for the June 30, 2019 and September 30, 2019 grants, respectively.

On July 31, 2020, the Compensation Committee approved the grant of an aggregate of 545,000 TSR Units and 530,000 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $5.55 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the July 31, 2020 grant date to the end of the performance period, December 31, 2022. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. The time-based restricted common share units have a grant date fair value of $5.83 and vest annually in three equal installments.

On March 17, 2021, the Compensation Committee approved the grant of an aggregate of 2,490 common share units under the 2018 Plan to certain of our employees. The common share units had a grant date fair value of $10.04 each and vested immediately.

On June 30, 2021, the Compensation Committee approved the grant of an aggregate of 433,200 TSR Units and 433,200 time-based restricted common share units under the 2018 Plan to certain of our employees. Vesting of the TSR Units is contingent upon achieving Total Shareholder Return relative to the peer group defined in the TSR Unit award agreements over a three-year performance period. At the end of the performance period, the number of common shares awarded for each vested TSR Unit will vary from 0% to 200% depending on the Company’s TSR Peer Group Ranking. Continued employment is required through the vesting date. The grant date fair value for each TSR Unit of $4.17 was determined using the Monte Carlo simulation method and is being recognized as share-based compensation expense ratably from the June 30, 2021 grant date to the end of the performance period, December 31, 2023. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. Expected volatilities utilized in the model were estimated using a historical period consistent with the performance period of approximately three years. The risk-free interest rate was based on the United States Treasury rate for a term commensurate with the expected life of the grant. The time-based restricted common share units have a grant date fair value of $7.51 and vest annually in three equal installments. The 433,200 TSR Units granted on June 30, 2021 include 111,465 TSR Units that will be converted into the right to receive cash in the amount of the fair market value of the common shares to the extent that common shares are not available for issuance under the 2018 Plan.

On September 30, 2021, the Compensation Committee approved the grant of an aggregate of 5,500 time-based restricted common share units under the 2018 Plan to certain of our employees. The time-based common share units had a grant date fair value of $9.06 each and vest annually in three equal installments.

A summary of the share-based incentive plan activity as of and for the three months ended March 31, 2022 is as follows:

	Shares	Weighted Average Grant Date Fair Value
Non-vested at January 1, 2022	2,716,132	$	8.32
Forfeited	(1,334,852)	8.29
Non-vested at March 31, 2022	1,381,280	8.35
Available for grant at March 31, 2022	1,664,210

A summary of our non-vested and vested shares activity for the three months ended March 31, 2022 and years ended December 31, 2021 and 2020 is presented below:

	Shares Granted			Shares Vested
	Non-Vested Shares Issued	Weighted Average Grant-Date Fair Value		Vested Shares	Total Vest-Date Fair Value
					(in thousands)
Three Months Ended March 31,	—	$	—	—	$	—
Year Ended December 31, 2021	904,215	$	5.99	(1,024,808)	$	9,757
Year Ended December 31, 2020	1,108,014	$	5.76	(511,621)	$	5,566

Total compensation recognized in earnings for share-based payments was $(1,329,000) and $1,468,000 for the three months ended March 31, 2022 and 2021, respectively.

Based on our current financial projections, we expect approximately 100% of the unvested awards, exclusive of 455,000 CIC Units, to vest over the next 27 months. As of March 31, 2022, there was approximately $1.1 million in unrecognized compensation cost related to outstanding non-vested TSR Units, which are expected to vest over a period of 21 months, and approximately $2.3 million in unrecognized compensation cost related to outstanding non-vested time-based shares, which are expected to be recognized over a period of approximately 27 months beginning on April 1, 2022.

We expect to record approximately $0.8 million in non-cash share-based compensation expense in 2022 and $1.6 million subsequent to 2022. The unrecognized share-based compensation cost is expected to vest over a weighted average period of 19 months. The dilutive impact of the performance-based shares will be included in the denominator of the earnings per share calculation beginning in the period that the performance conditions are expected to be met. The dilutive impact of the TSR Units is based on the Company’s TSR Peer Group Ranking as of the reporting date and weighted according to the number of days outstanding in the period. As of March 31, 2022, the TSR Peer Group Ranking called for attainment of 50% and 150% for the shares issued in 2020 and 2021, respectively. The dilutive impact of the CIC Units is based on the probability of a Change in Control. Because the Company considers a Change in Control on or before September 30, 2024 to be improbable, no CIC Units are included in the Company’s dilutive shares.

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Grants to Trustees	3 Months Ended
	Mar. 31, 2022
Grants to Trustees [Abstract]
Grants To Trustees	GRANTS TO TRUSTEESOn December 13, 2021, five independent trustees and one trustee emeritus were granted a total of 29,825 common shares, which vest immediately and are prorated based on date appointed. The 29,825 common shares granted to our trustees had a grant fair value of $9.32 per share. The fair value of the shares granted during the year ended December 31, 2021 was determined using quoted prices available on the date of grant.

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Segment Information	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Segment Information	SEGMENT INFORMATIONHistorically, our management has not differentiated results of operations by property type or location and, therefore, does not present segment information.

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Real Estate

3 Months Ended

Mar. 31, 2022

Real Estate [Abstract]

Real Estate

REAL ESTATE

Property Acquisitions. On December 1, 2021 we acquired Anderson Arbor, a property that meets our Community Centered Property® strategy, for $28.1 million in cash and net prorations. Anderson Arbor, a 89,746 square foot property, was 89% leased at the time of purchase and is located in Austin, Texas.

On July 8, 2021, we acquired Lakeside Market, a property that meets our Community Centered Property® strategy, for $53.2 million in cash and net prorations. Lakeside Market, a 162,649 square foot property, was 80.5% leased at the time of purchase and is located in Plano, Texas.

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Related Party Transactions

3 Months Ended

Mar. 31, 2022

Related Party Transactions [Abstract]

Related Party Transactions

RELATED PARTY TRANSACTIONS

The Contribution. Prior to his employment termination, January 18, 2022, Mr. James C. Mastandrea, the former Chairman and Chief Executive Officer of Whitestone REIT, also served as the Chairman and Chief Executive Officer of Pillarstone REIT and beneficially owns approximately 66.7% of the outstanding equity in Pillarstone REIT (when calculated in accordance with Rule 13d-3(d)(1) under the Exchange Act of 1934, as amended (the “Exchange Act”)). He resigned as a member of the Board of Whitestone REIT on April 18, 2022. Prior to his employment termination, February 9, 2022, Mr. John J. Dee, the Company’s former Chief Operating Officer and Corporate Secretary, also served as the Senior Vice President and Chief Financial Officer of Pillarstone REIT and beneficially owns approximately 20.0% of the outstanding equity in Pillarstone REIT (when calculated in accordance with Rule 13d-3(d)(1) under the Exchange Act). In addition, Mr. Paul T. Lambert, a Trustee of the Company, also serves as a Trustee of Pillarstone REIT.

Pillarstone OP. The Company accounts for its investment in Pillarstone OP under the equity method.

During the ordinary course of business, we have transactions with Pillarstone OP that include, but are not limited to, rental income, interest expense, general and administrative costs, commissions, management and asset management fees, and property expenses.

The following table presents the revenue and expenses with Pillarstone OP included in our consolidated statements of operations and comprehensive income for the three months ended March 31, 2022 and 2021 (in thousands):

		Three Months Ended March 31,
	Location of Revenue (Expense)	2022		2021
Rent	Operating and maintenance	$	(192)	$	(218)
Property management fee income	Management, transaction, and other fees	$	140	$	140

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

On February 23, 2022, Whitestone’s former CEO, James Mastandrea, filed suit against Whitestone REIT and certain of the Company’s trustees (Nandita Berry, Jeff Jones, Jack Mahaffey, and David Taylor) and officers (David Holeman, Christine Mastandrea, Peter Tropoli) in the District Court of Harris County, Texas, alleging claims relating to the termination of claimant’s employment. Claimant purports to assert claims for breach of contract, breach of fiduciary duties, tortious interference with contract, civil conspiracy, and declaratory judgment. The claimant seeks $25 million in damages and equitable relief. However, the Company denies the claims, has substantial legal and factual defenses against the claims, and intends to vigorously defend against the claims. The Company does not believe a probable loss will be incurred, nor does it anticipate a material adverse effect on its financial position, results of operations, cash flows or liquidity. Therefore, the Company has not recorded a charge as a result of this action.

On December 26, 2021, the Board of Trustees of Pillarstone REIT adopted the Pillarstone Rights Agreement. See Note 6 (Investment in Real Estate Partnership) for additional information regarding the Pillarstone Rights Agreement.

We are subject to various legal proceedings and claims that arise in the ordinary course of business.  These matters are generally covered by insurance.  While the resolution of these matters cannot be predicted with certainty, management believes the final outcome of such matters will not have a material adverse effect on our financial position, results of operations, cash flows or liquidity.

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Subsequent Events	3 Months Ended
	Mar. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTSNone.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Basis of Consolidation

Basis of Consolidation.  We are the sole general partner of the Operating Partnership and possess full legal control and authority over the operations of the Operating Partnership. As of March 31, 2022 and December 31, 2021, we owned a majority of the partnership interests in the Operating Partnership. Consequently, the accompanying consolidated financial statements include the accounts of the Operating Partnership.

Noncontrolling interest in the accompanying consolidated financial statements represents the share of equity and earnings of the Operating Partnership allocable to holders of partnership interests other than us. Net income or loss is allocated to noncontrolling interests based on the weighted-average percentage ownership of the Operating Partnership during the period. Issuance of additional common shares of beneficial interest in Whitestone (the “common shares”) and units of limited partnership interest in the Operating Partnership that are convertible into cash or, at our option, common shares on a one-for-one basis (the “OP units”) changes the percentage of ownership interests of both the noncontrolling interests and Whitestone.

Equity Method

Noncontrolling Interests.  Noncontrolling interests are the portion of equity in a subsidiary not attributable to a parent. Accordingly, we have reported noncontrolling interests in equity on the consolidated balance sheets but separate from Whitestone’s equity.  On the consolidated statements of operations and comprehensive income, subsidiaries are reported at the consolidated amount, including both the amount attributable to Whitestone and noncontrolling interests.  The consolidated statements of changes in equity is included for quarterly financial statements, including beginning balances, activity for the period and ending balances for shareholders’ equity, noncontrolling interests and total equity.

Basis of Accounting

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of Estimates

Use of Estimates.   The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the grant date fair value of common share units included in share-based compensation expense, the estimated allowance for doubtful accounts, the estimated fair value of interest rate swaps and the estimates supporting our impairment analysis for the carrying values of our real estate assets.  Actual results could differ from those estimates. In particular, the COVID-19 pandemic has adversely impacted and is likely to further adversely impact the Company’s business and markets, including the Company’s operations and the operations of its tenants. The full extent to which the pandemic will directly or indirectly impact the Company’s business, results of operations and financial condition, including revenues, expenses, reserves and allowances, fair value measurements, and asset impairment charges, will depend on future developments that are highly uncertain and difficult to predict. These developments include, but are not limited to, the duration and spread of the pandemic, its severity in our markets and elsewhere, the impact on our tenants’ businesses and financial condition, governmental actions to contain the spread of the pandemic and respond to the reduction in global economic activity, and how quickly and to what extent normal economic and operating conditions can resume.

Reclassifications

Reclassifications.  We have reclassified certain prior period amounts in the accompanying consolidated financial statements in order to be consistent with the current period presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity.

Restricted Cash

Restricted Cash. We classify all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. During 2015, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (see Note 7 (Debt)), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note.

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities. We utilize derivative financial instruments, principally interest rate swaps, to manage our exposure to fluctuations in interest rates. We have established policies and procedures for risk assessment, and the approval, reporting and monitoring of derivative financial instruments. We recognize our interest rate swaps as cash flow hedges with the effective portion of the changes in fair value recorded in comprehensive income and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. Any ineffective portion of a cash flow hedges’ change in fair value is recorded immediately into earnings. Our cash flow hedges are determined using Level 2 inputs under ASC 820, “Fair Value Measurements and Disclosures.” Level 2 inputs represent quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable. As of March 31, 2022, we consider our cash flow hedges to be highly effective.

Development Properties

Development Properties. Land, buildings and improvements are recorded at cost. Expenditures related to the development of real estate are carried at cost which includes capitalized carrying charges and development costs. Carrying charges (interest, real estate taxes, loan fees, and direct and indirect development costs related to buildings under construction), are capitalized as part of construction in progress. The capitalization of such costs ceases when the property, or any completed portion, becomes available for occupancy.

Share-Based Compensation

Share-Based Compensation.   From time to time, we grant nonvested restricted common share awards or restricted common share unit awards, which may be converted into common shares, to executive officers and employees under our 2018 Long-Term Equity Incentive Ownership Plan (the “2018 Plan”).  Awarded shares and units vest when certain performance conditions are met.  We recognize compensation expense when achievement of the performance conditions is probable based on management’s most recent estimates using the fair value of the shares as of the grant date.

Accrued Rents and Accounts Receivable

Accrued Rents and Accounts Receivable. Included in accrued rents and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. We review the collectability of charges under our tenant operating leases on a regular basis, taking into consideration changes in factors such as the tenant’s payment history, the financial condition of the tenant, business conditions in the industry in which the tenant operates and economic conditions in the area where the property is located, including the impact of the COVID-19 pandemic on tenants’ businesses and financial condition. We recognize an adjustment to rental revenue if we deem it probable that the receivable will not be collected. Our review of collectability under our operating leases includes any accrued rental revenues related to the straight-line method of reporting rental revenue.

Revenue Recognition

Revenue Recognition. All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We combine lease and nonlease components in lease contracts, which includes combining base rent, recoveries, and percentage rents into a single line item, Rental, within the consolidated statements of operations and comprehensive income. Additionally, we have tenants who pay real estate taxes directly to the taxing authority. We exclude these costs paid directly by the tenant to third parties on our behalf from revenue recognized and the associated property operating expense. Other property income primarily includes amounts recorded in connection with management fees and lease termination fees. Pillarstone OP pays us management fees for property management, leasing and day-to-day advisory and administrative services. Their obligations are satisfied over time. Pillarstone OP is billed monthly and typically pays quarterly. Revenues are governed by the Management Agreements (as defined in Note 6 (Investment in Real Estate Partnership)). Refer to Note 6 (Investment in Real Estate Partnership) for additional information regarding the Management Agreements with Pillarstone OP. Additionally, we recognize lease termination fees in the year that the lease is terminated and collection of the fee is probable. Amounts recorded within other property income are accounted for at the point in time when control of the goods or services transfers to the customer and our performance obligation is satisfied.

Recent Accounting Pronouncements

Recent Accounting Pronouncements. In April 2020, the FASB issued guidance on the application of Topic 842, relating to concessions being made by lessors in response to the COVID-19 pandemic. The guidance notes that it would be acceptable for entities to make an election to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed, even if such enforceable rights and obligations are not explicitly contained in the lease contract. Thus, for concessions relating to the COVID-19 pandemic, an entity would not have to analyze each contract to determine whether enforceable rights and obligations for concessions exist in the contract, and would have the option to apply, or not to apply, the general lease modification guidance in Topic 842 as it stands. We have elected this option to account for lease concessions relating to the effects of the COVID-19 pandemic consistent with how those concessions would be accounted for under Topic 842 as though enforceable rights and obligations for those concessions existed. Therefore, such concessions are not accounted for as a lease modification under Topic 842.

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Leases (Tables)

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

Schedule of Minimum Future Rent Payments

A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, contingent rents, and collectability adjustments under Topic 842) under noncancelable operating leases in existence as of March 31, 2022 is as follows (in thousands):

Years Ended December 31,	Minimum Future Rents(1)
2022 (remaining)	$	70,547
2023	85,238
2024	71,462
2025	55,060
2026	40,249
Thereafter	117,717
Total	$	440,273

(1) These amounts do not reflect future rental revenues from the renewal or replacement of existing leases and exclude reimbursements of operating expenses and rental increases that are not fixed.

Maturities of Operating Lease Liabilities

The following table summarizes the fixed, future minimum rental payments, excluding variable costs, which are discounted by our weighted average incremental borrowing rates to calculate the lease liabilities for our operating leases in which we are the lessee (in thousands):

Years Ended December 31,	March 31, 2022
2022 (remaining)	$	86
2023	65
2024	43
2025	28
2026	1
Thereafter	—
Total undiscounted rental payments	223
Less imputed interest	13
Total lease liabilities	$	210

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Accrued Rents and Accounts Receivable, Net (Tables)

3 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Schedule of Accrued Rent and Accounts Receivable, Net

Accrued rents and accounts receivable, net consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands):

	March 31, 2022		December 31, 2021
Tenant receivables	$	18,678	$	18,410
Accrued rents and other recoveries	20,119		18,681
Allowance for doubtful accounts	(15,346)		(14,896)
Other receivables	485		200
Total	$	23,936	$	22,395

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Unamortized Lease Commissions, Legal Fees and Loan Costs (Tables)

3 Months Ended

Mar. 31, 2022

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Unamortized Lease Commissions and Loan Costs

Costs which have been deferred consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Leasing commissions	$	13,948	$	13,341
Deferred legal cost	391		365
Deferred financing cost	3,898		3,898
Total cost	18,237		17,604
Less: leasing commissions accumulated amortization	(6,691)		(6,305)
Less: deferred legal cost accumulated amortization	(257)		(248)
Less: deferred financing cost accumulated amortization	(2,831)		(2,609)
Total cost, net of accumulated amortization	$	8,458	$	8,442

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Investment in Real Estate Partnership (Tables)

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Equity Method Investments

The table below presents the real estate partnership investment in which the Company holds an ownership interest (in thousands):

		Company’s Investment as of
		March 31, 2022		December 31, 2021
Real estate partnership	Ownership Interest
Pillarstone OP(1)	81.4%	$	34,868	$	34,588
Total real estate partnership(2)(3)		$	34,868	$	34,588

(1) The Company manages these real estate partnership investments and, where applicable, earns acquisition fees, leasing commissions, property management fees, and asset management fees.

(2) Representing eight property interests and 926,798 square feet of GLA, as of March 31, 2022 and December 31, 2021.

Summarized financial information for the Company’s investment in real estate partnership is as follows (in thousands):

	March 31, 2022		December 31, 2021
Assets:
Real estate, net	$	48,226	$	48,273
Other assets	8,882		8,790
Total assets	57,108		57,063
Liabilities and equity:
Notes payable	15,129		14,920
Other liabilities	2,659		3,200
Equity	39,320		38,943
Total liabilities and equity	57,108		57,063
Company’s share of equity	32,025		31,718
Cost of investment in excess of the Company’s share of underlying net book value	2,843		2,870
Carrying value of investment in real estate partnership	$	34,868	$	34,588

	Three Months Ended March 31,
	2022		2021
Revenues	$	2,326	$	2,190
Operating expenses	(1,605)		(1,707)
Other expenses	(344)		(348)
Net income	$	377	$	135

Real Estate Investment Financial Statements, Disclosure

The table below presents the Company’s share of net income from its investment in the real estate partnership which is included in equity in earnings of real estate partnership, net on the Company’s consolidated statements of operations and comprehensive income (in thousands):

	Three Months Ended March 31,
	2022		2021
Pillarstone OP	$	280	$	89

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Debt (Tables)

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Schedule of Debt

Debt consisted of the following as of the dates indicated (in thousands):

Description	March 31, 2022		December 31, 2021
Fixed rate notes
$100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 30, 2022 (1)	$	100,000	$	100,000
$165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 (2)	165,000		165,000
$80.0 million, 3.72% Note, due June 1, 2027	80,000		80,000
$19.0 million 4.15% Note, due December 1, 2024	18,272		18,358
$20.2 million 4.28% Note, due June 6, 2023	17,699		17,808
$14.0 million 4.34% Note, due September 11, 2024	12,910		12,978
$14.3 million 4.34% Note, due September 11, 2024	13,708		13,773
$15.1 million 4.99% Note, due January 6, 2024	13,838		13,907
$2.6 million 5.46% Note, due October 1, 2023	2,275		2,289
$50.0 million, 5.09% Note, due March 22, 2029	50,000		50,000
$50.0 million, 5.17% Note, due March 22, 2029	50,000		50,000
$1.8 million 3.15% Note, due November 28, 2022	1,394		—
Floating rate notes
Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023	119,500		119,500
Total notes payable principal	644,596		643,613
Less deferred financing costs, net of accumulated amortization	(720)		(771)
Total notes payable	$	643,876	$	642,842

(1)    Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 (as defined below) at 1.73%.

(2)    Promissory note includes an interest rate swap that fixed the LIBOR portion of the interest rate at an average rate of 2.24% for the duration of the term through January 31, 2024.

Schedule of Maturities of Debt

Scheduled maturities of our outstanding debt as of March 31, 2022 were as follows (in thousands):

Year	Amount Due
2022 (remaining)	$	102,945
2023	147,363
2024	228,574
2025	17,143
2026	17,143
Thereafter	131,428
Total	$	644,596

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Derivatives and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of activity and fair value of interest rate swaps

The fair value of our interest rate swaps is as follows (in thousands):

	March 31, 2022
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(873)

	December 31, 2021
Balance Sheet Location	Estimated Fair Value
Accounts payable and accrued expenses		$	(6,860)

A summary of our interest rate swap activity is as follows (in thousands):

	Amount Recognized as Comprehensive income		Location of Income (Loss) Recognized in Earnings	Amount of Income (Loss) Recognized in Earnings (1)
Three Months Ended March 31, 2022	$	5,986	Interest expense	$	(1,331)
Three Months Ended March 31, 2021	$	2,221	Interest expense	$	(1,276)

(1)    There was no ineffective portion of our interest rate swaps to recognize in earnings for the three months ended March 31, 2022 and 2021.

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	Three Months Ended March 31,
(in thousands, except per share data)	2022		2021
Numerator:
Income from continuing operations	$	7,189	$	1,441
Less: Net income attributable to noncontrolling interests	(111)		(26)
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	7,078	$	1,415
Denominator:
Weighted average number of common shares - basic	49,145		42,495
Effect of dilutive securities:
Unvested restricted shares	1,161		836
Weighted average number of common shares - dilutive	50,306		43,331
Earnings Per Share:
Basic:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03
Diluted:
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$	0.14	$	0.03

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Equity (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of Distributions

The following table summarizes the cash distributions paid or payable to holders of common shares and to holders of noncontrolling OP units during each quarter of 2021 and the three months ended March 31, 2022 (in thousands, except per share/per OP unit data):

	Common Shares				Noncontrolling OP Unit Holders				Total
Quarter Paid	Distributions Per Common Share		Amount Paid		Distributions Per OP Unit		Amount Paid		Amount Paid
2022
First Quarter	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
Total	$	0.1075	$	5,268	$	0.1075	$	83	$	5,351
2021
Fourth Quarter	$	0.1075	$	5,257	$	0.1075	$	83	$	5,340
Third Quarter	0.1075		4,981		0.1075		83		5,064
Second Quarter	0.1075		4,602		0.1075		83		4,685
First Quarter	0.1058		4,480		0.1058		82		4,562
Total	$	0.4283	$	19,320	$	0.4283	$	331	$	19,651

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Incentive Share Plan (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Share-Based Incentive Plan Activity

A summary of the share-based incentive plan activity as of and for the three months ended March 31, 2022 is as follows:

	Shares	Weighted Average Grant Date Fair Value
Non-vested at January 1, 2022	2,716,132	$	8.32
Forfeited	(1,334,852)	8.29
Non-vested at March 31, 2022	1,381,280	8.35
Available for grant at March 31, 2022	1,664,210

Schedule of Nonvested and Vested Shares Activity

A summary of our non-vested and vested shares activity for the three months ended March 31, 2022 and years ended December 31, 2021 and 2020 is presented below:

	Shares Granted			Shares Vested
	Non-Vested Shares Issued	Weighted Average Grant-Date Fair Value		Vested Shares	Total Vest-Date Fair Value
					(in thousands)
Three Months Ended March 31,	—	$	—	—	$	—
Year Ended December 31, 2021	904,215	$	5.99	(1,024,808)	$	9,757
Year Ended December 31, 2020	1,108,014	$	5.76	(511,621)	$	5,566

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Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2022

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The following table presents the revenue and expenses with Pillarstone OP included in our consolidated statements of operations and comprehensive income for the three months ended March 31, 2022 and 2021 (in thousands):

		Three Months Ended March 31,
	Location of Revenue (Expense)	2022		2021
Rent	Operating and maintenance	$	(192)	$	(218)
Property management fee income	Management, transaction, and other fees	$	140	$	140

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Interim Financial Statements (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Jul. 31, 2004 shares	Mar. 31, 2022 USD ($) ft² property	Dec. 31, 2021 USD ($) ft² property	Dec. 01, 2021 ft²	Jul. 08, 2021 ft²
Real Estate Properties [Line Items]
Reorganization and conversion, number of common shares (in shares) | shares	1.42857
Carrying amount, net | $		$ 1,002,478	$ 1,006,586
Lakeside Market
Real Estate Properties [Line Items]
Number of properties acquired		2
Area of real estate property | ft²		200,000			162,649
Carrying amount, net | $		$ 52,800
Anderson Arbor
Real Estate Properties [Line Items]
Area of real estate property | ft²		100,000		89,746
Carrying amount, net | $		$ 28,000
Wholly Owned Properties
Real Estate Properties [Line Items]
Number of properties		60	60
Retail Site | Wholly Owned Properties | Community Centered Properties™
Real Estate Properties [Line Items]
Number of properties		53
Land | Wholly Owned Properties | Parcels Held for Future Development | Redevelopment, New Acquisitions Portfolio
Real Estate Properties [Line Items]
Number of properties		5
Pillarstone Capital REIT Operating Partnership LP
Real Estate Properties [Line Items]
Ownership interest		81.40%
Pillarstone Capital REIT Operating Partnership LP | Unconsolidated Properties
Real Estate Properties [Line Items]
Number of properties		8	8
Gross leasable area (in square feet) | ft²		926,798	926,798

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Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) tenant shares	Mar. 31, 2021 USD ($) tenant	Dec. 31, 2021 USD ($)	Dec. 31, 2015 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Conversion basis for common shares to OP units (in shares) | shares	1
Interest expense capitalized	$ 99,000	$ 102,000
Real estate tax capitalized	75,000	79,000
Share-based compensation	(1,329,000)	1,468,000
Allowance for doubtful accounts	15,346,000		$ 14,896,000
Bad debt	$ (373,000)	$ (529,000)
Number of tenants | tenant	77,000	67,000
Rental revenue adjustment	$ (230,000)	$ (500,000)
Straight-line rent reserve adjustment	$ (400,000)	$ (100,000)
Anthem Marketplace Note
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Face amount of debt				$ 15,100,000
Stated interest rate				4.99%

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Leases - Minimum Future Rent Payments (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Leases [Abstract]
2022 (remaining)	$ 70,547
2023	85,238
2024	71,462
2025	55,060
2026	40,249
Thereafter	117,717
Total	$ 440,273

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Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Lessee, Lease, Description [Line Items]
Operating lease, cost	$ 229	$ 257
Operating lease, weighted average remaining lease term	2 years 10 months 24 days
Operating lease, weighted average discount rate, percent	4.50%
Minimum | Office Space, Automobile, and Office Machine
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	1 year
Maximum | Office Space, Automobile, and Office Machine
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	3 years

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Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating Lease Liabilities, Payments Due [Abstract]
2022 (remaining)	$ 86
2023	65
2024	43
2025	28
2026	1
Thereafter	0
Total undiscounted rental payments	223
Less imputed interest	13
Total lease liabilities	$ 210	$ 231

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Accrued Rents and Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Tenant receivables	$ 18,678	$ 18,410
Accrued rents and other recoveries	20,119	18,681
Allowance for doubtful accounts	(15,346)	(14,896)
Other receivables	485	200
Total	$ 23,936	$ 22,395

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Unamortized Lease Commissions, Legal Fees and Loan Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Leasing commissions	$ 13,948	$ 13,341
Deferred legal cost	391	365
Deferred financing cost	3,898	3,898
Total cost	18,237	17,604
Less: leasing commissions accumulated amortization	(6,691)	(6,305)
Less: deferred legal cost accumulated amortization	(257)	(248)
Less: deferred financing cost accumulated amortization	(2,831)	(2,609)
Total cost, net of accumulated amortization	$ 8,458	$ 8,442

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Investment in Real Estate Partnership - Narrative (Details) $ in Thousands		3 Months Ended
	Dec. 08, 2016 USD ($) property subsidiary	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Pillarstone Capital REIT Operating Partnership LP
Variable Interest Entity [Line Items]
Amortization of the basis difference between the cost of investment and the Company's share of underlying net book value		$ 27	$ 27
Performance Guarantee
Variable Interest Entity [Line Items]
Noncontingent liability		$ 462
Guarantee liability, amortization period		7 years
Amortization of guarantee liability		$ 9	$ 10
Pillarstone Variable Interest Entity
Variable Interest Entity [Line Items]
Number of wholly-owned subsidiaries | subsidiary	4
Number of non-core properties | property	14
Consideration amount	$ 84,000
Consideration, limited partnership interest	18,100
Liabilities assumed	$ 65,900
Property management fee, percent fee	5.00%
Asset management fee, percent fee	0.125%
Pillarstone Variable Interest Entity | Uptown Tower
Variable Interest Entity [Line Items]
Property management fee, percent fee	3.00%
Asset management fee, percent fee	0.125%

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Investment in Real Estate Partnership - Unconsolidated Real Estate Partnership Investments (Details) $ / shares in Units, $ in Thousands	Mar. 31, 2022 USD ($) ft² property	Dec. 31, 2021 USD ($) ft² property	Dec. 06, 2021 $ / shares
Schedule of Equity Method Investments [Line Items]
Investment in real estate partnership	$ 34,868	$ 34,588
Pillarstone Capital REIT Operating Partnership LP
Schedule of Equity Method Investments [Line Items]
Ownership interest	81.40%
Investment in real estate partnership		$ 34,588
Pillarstone Capital REIT Operating Partnership LP | Series D Preferred Stock
Schedule of Equity Method Investments [Line Items]
Purchase price per unit (in dollars per share) | $ / shares			$ 7.00
Purchase price multiplier			200.00%
Pillarstone Capital REIT Operating Partnership LP | Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Number of properties | property	8	8
Gross leasable area (in square feet) | ft²	926,798	926,798

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Investment in Real Estate Partnership - Net Income from Investments in Real Estate Partnerships (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Equity in earnings of real estate partnership	$ 280	$ 89
Pillarstone Capital REIT Operating Partnership LP
Schedule of Equity Method Investments [Line Items]
Equity in earnings of real estate partnership	$ 280	$ 89

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Investment in Real Estate Partnership - Summarized Financial Information for Investment in Real Estate Partnership - Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Total assets	$ 1,095,001	$ 1,102,090
LIABILITIES AND EQUITY
Equity	404,826	399,038	$ 338,372	$ 338,326
Total liabilities and equity	1,095,001	1,102,090
Carrying value of investment in real estate partnership	34,868	34,588
Pillarstone Capital REIT Operating Partnership LP
LIABILITIES AND EQUITY
Carrying value of investment in real estate partnership		34,588
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Pillarstone Capital REIT Operating Partnership LP
ASSETS
Real estate, net	48,226	48,273
Other assets	8,882	8,790
Total assets	57,108	57,063
LIABILITIES AND EQUITY
Notes payable	15,129	14,920
Other liabilities	2,659	3,200
Equity	39,320	38,943
Total liabilities and equity	57,108	57,063
Company’s share of equity	32,025	31,718
Cost of investment in excess of the Company’s share of underlying net book value	2,843	2,870
Carrying value of investment in real estate partnership	$ 34,868	$ 34,588

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Investment in Real Estate Partnership - Summarized Financial Information for Investment in Real Estate Partnership - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Revenues	$ 34,123	$ 29,045
Net income	7,189	1,441
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Pillarstone Capital REIT Operating Partnership LP
Schedule of Equity Method Investments [Line Items]
Revenues	2,326	2,190
Operating expenses	(1,605)	(1,707)
Other expenses	(344)	(348)
Net income	$ 377	$ 135

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Debt (Schedule of Debt) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total notes payable principal	$ 644,596,000	$ 643,613,000
Less deferred financing costs, net of accumulated amortization	(720,000)	(771,000)
Total notes payable	643,876,000	642,842,000
Fixed rate notes | $100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 2022
Debt Instrument [Line Items]
Total notes payable principal	100,000,000	100,000,000
Face amount of debt	$ 100,000,000.0
Imputed interest rate	1.73%
Fixed rate notes | $100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 2022 | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.35%
Fixed rate notes | $100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 2022 | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.90%
Fixed rate notes | $165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024
Debt Instrument [Line Items]
Total notes payable principal	$ 165,000,000	165,000,000
Face amount of debt	$ 165,000,000.0
Imputed interest rate	2.24%
Fixed rate notes | $165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.35%
Fixed rate notes | $165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024 | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.90%
Fixed rate notes | $80.0 million, 3.72% Note, due June 1, 2027
Debt Instrument [Line Items]
Total notes payable principal	$ 80,000,000	80,000,000
Face amount of debt	$ 80,000,000.0
Stated interest rate	3.72%
Fixed rate notes | $19.0 million 4.15% Note, due December 1, 2024
Debt Instrument [Line Items]
Total notes payable principal	$ 18,272,000	18,358,000
Face amount of debt	$ 19,000,000.0
Stated interest rate	4.15%
Fixed rate notes | $20.2 million 4.28% Note, due June 6, 2023
Debt Instrument [Line Items]
Total notes payable principal	$ 17,699,000	17,808,000
Face amount of debt	$ 20,200,000
Stated interest rate	4.28%
Fixed rate notes | $14.0 million 4.34% Note, due September 11, 2024
Debt Instrument [Line Items]
Total notes payable principal	$ 12,910,000	12,978,000
Face amount of debt	$ 14,000,000.0
Stated interest rate	4.34%
Fixed rate notes | $14.3 million 4.34% Note, due September 11, 2024
Debt Instrument [Line Items]
Total notes payable principal	$ 13,708,000	13,773,000
Face amount of debt	$ 14,300,000
Stated interest rate	4.34%
Fixed rate notes | $15.1 million 4.99% Note, due January 6, 2024
Debt Instrument [Line Items]
Total notes payable principal	$ 13,838,000	13,907,000
Face amount of debt	$ 15,100,000
Stated interest rate	4.99%
Fixed rate notes | $2.6 million 5.46% Note, due October 1, 2023
Debt Instrument [Line Items]
Total notes payable principal	$ 2,275,000	2,289,000
Face amount of debt	$ 2,600,000
Stated interest rate	5.46%
Fixed rate notes | $50.0 million, 5.09% Note, due March 22, 2029
Debt Instrument [Line Items]
Total notes payable principal	$ 50,000,000	50,000,000
Face amount of debt	$ 50,000,000.0
Stated interest rate	5.09%
Fixed rate notes | $50.0 million, 5.17% Note, due March 22, 2029
Debt Instrument [Line Items]
Total notes payable principal	$ 50,000,000	50,000,000
Face amount of debt	$ 50,000,000.0
Stated interest rate	5.17%
Fixed rate notes | $1.7 million 3.25% Note, due December 28, 2021
Debt Instrument [Line Items]
Total notes payable principal	$ 1,394,000	0
Face amount of debt	$ 1,700,000
Stated interest rate	3.25%
Floating rate notes | Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023 | LIBOR Rate
Debt Instrument [Line Items]
Total notes payable principal	$ 119,500,000	$ 119,500,000
Floating rate notes | Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023 | Minimum | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.40%
Floating rate notes | Unsecured line of credit, LIBOR plus 1.40% to 1.90%, due January 31, 2023 | Maximum | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.90%
Interest rate swap | $100.0 million, 1.73% plus 1.35% to 1.90% Note, due October 2022
Debt Instrument [Line Items]
Stated interest rate	1.73%
Interest rate swap | $165.0 million, 2.24% plus 1.35% to 1.90% Note, due January 31, 2024
Debt Instrument [Line Items]
Stated interest rate	2.24%

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Debt (Narrative) (Details)	Mar. 22, 2019 USD ($)	Jan. 31, 2019 USD ($)	Mar. 31, 2022 USD ($) property
Debt Instrument [Line Items]
Secured debt			$ 158,700,000
Number of collateralized properties (in collateralized properties) | property			7
Carrying value of collateralized properties			$ 245,900,000
2019 Facility
Debt Instrument [Line Items]
Credit facility, covenant, total debt to total assets ratio, maximum		0.60
Credit facility, covenant, secured debt to total asset ratio, maximum		0.40
Credit facility, covenant, EBITDA to fixed charges ratio, minimum		1.50
Credit facility, covenant, other recourse debt to total assets ratio, maximum		0.15
Credit facility, interest rate at period end			1.65%
Repayments of long-term debt		$ 446,200,000
Covenant, tangible net worth threshold before percentage of aggregate net proceeds, amount		$ 372,000,000
Covenant, tangible net worth, percentage of aggregate net proceeds, minimum		75.00%
Series A Senior Notes
Debt Instrument [Line Items]
Annual principal payment	$ 7,100,000
Series B Senior Notes
Debt Instrument [Line Items]
Annual principal payment	10,000,000
Senior Notes
Debt Instrument [Line Items]
Face amount of debt	100,000,000
Periodic payment, principal	$ 1,000,000
Credit facility, covenant, total debt to total assets ratio, maximum	0.60
Credit facility, covenant, secured debt to total asset ratio, maximum	0.40
Credit facility, covenant, EBITDA to fixed charges ratio, minimum	1.50
Credit facility, covenant, other recourse debt to total assets ratio, maximum	0.15
Covenant, tangible net worth threshold before percentage of aggregate net proceeds, amount	$ 372,000,000
Covenant, tangible net worth, percentage of aggregate net proceeds, minimum	75.00%
Senior Notes | Series A Senior Notes
Debt Instrument [Line Items]
Face amount of debt	$ 50,000,000
Stated interest rate	5.09%
Senior Notes | Series B Senior Notes
Debt Instrument [Line Items]
Face amount of debt	$ 50,000,000
Stated interest rate	5.17%
Revolving Credit Facility | 2019 Facility
Debt Instrument [Line Items]
Line of credit outstanding			$ 384,500,000
Credit facility, remaining borrowing capacity			$ 96,200,000
Revolving Credit Facility | 2019 Facility | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Revolving Credit Facility | 2019 Facility | LIBOR Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.40%
Revolving Credit Facility | 2019 Facility | LIBOR Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.90%
Term Loan | 2019 Facility | LIBOR Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.35%
Term Loan | 2019 Facility | LIBOR Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.90%
Term Loan | Unsecured Line Of Credit | Term Loan A
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		$ 165,000,000
Term Loan | Unsecured Line Of Credit | Term Loan B
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		100,000,000
Revolving Credit Facility | 2019 Facility
Debt Instrument [Line Items]
Credit facility, accordion feature, increase limit		200,000,000
Revolving Credit Facility | Unsecured Line Of Credit | 2019 Revolver
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		$ 250,000,000

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Debt (Schedule of Maturities of Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
2022 (remaining)	$ 102,945
2023	147,363
2024	228,574
2025	17,143
2026	17,143
Thereafter	131,428
Total	$ 644,596	$ 643,613

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Derivatives and Hedging Activities (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 31, 2019	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2021	Nov. 19, 2015
Derivative [Line Items]
Unrealized gain on cash flow hedging activities		$ 5,986	$ 2,221
U.S. Bank National Association | Term Loan 2
Derivative [Line Items]
Interest rate swap					$ 6,500
U.S. Bank National Association | Term Loan 3
Derivative [Line Items]
Interest rate swap				$ 35,000
Regions Bank | Term Loan 2
Derivative [Line Items]
Interest rate swap					3,800
Wells Fargo Bank, National Association | Term Loan 2
Derivative [Line Items]
Interest rate swap					14,000
Bank of American, N.A. | Term Loan 2
Derivative [Line Items]
Interest rate swap					14,000
SunTrust Bank | Term Loan 2
Derivative [Line Items]
Interest rate swap					$ 5,000
SunTrust Bank | Term Loan 3
Derivative [Line Items]
Interest rate swap				$ 15,000
Interest rate swap | Interest Expense
Derivative [Line Items]
Unrealized gain on cash flow hedging activities		5,986	2,221
Amount of Income (Loss) Recognized in Earnings		(1,331)	$ (1,276)
Interest rate swap | Cash Flow Hedging | Term Loan 2
Derivative [Line Items]
Fixed interest rate							1.50%
Interest rate swap | Cash Flow Hedging | Term Loan 3
Derivative [Line Items]
Fixed interest rate							1.73%
Accounts payable and accrued expenses | Interest rate swap
Derivative [Line Items]
Estimated Fair Value		$ (873)				$ (6,860)
November 9, 2020 | Bank of Montreal | Term Loan A
Derivative [Line Items]
Interest rate swap	$ 115,000
November 9, 2020 | U.S. Bank National Association | Term Loan A
Derivative [Line Items]
Interest rate swap	22,700
November 9, 2020 | Regions Bank | Term Loan A
Derivative [Line Items]
Interest rate swap	20,500
November 9, 2020 | Wells Fargo Bank, National Association | Term Loan A
Derivative [Line Items]
Interest rate swap	10,500
November 9, 2020 | SunTrust Bank | Term Loan A
Derivative [Line Items]
Interest rate swap	$ 27,900
November 9, 2020 | Interest rate swap | Cash Flow Hedging | Term Loan A
Derivative [Line Items]
Fixed interest rate	2.43%
February 8, 2021 | Bank of Montreal | Term Loan A
Derivative [Line Items]
Interest rate swap	$ 165,000
February 8, 2021 | U.S. Bank National Association | Term Loan A
Derivative [Line Items]
Interest rate swap	32,600
February 8, 2021 | Regions Bank | Term Loan A
Derivative [Line Items]
Interest rate swap	29,400
February 8, 2021 | Wells Fargo Bank, National Association | Term Loan A
Derivative [Line Items]
Interest rate swap	15,000
February 8, 2021 | SunTrust Bank | Term Loan A
Derivative [Line Items]
Interest rate swap	$ 40,000
February 8, 2021 | Interest rate swap | Cash Flow Hedging | Term Loan A
Derivative [Line Items]
Fixed interest rate	2.43%

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income from continuing operations	$ 7,189	$ 1,441
Less: Net income attributable to noncontrolling interests	(111)	(26)
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$ 7,078	$ 1,415
Denominator:
Weighted average number of common shares - basic (in shares)	49,145,000	42,495,000
Effect of dilutive securities:
Unvested restricted shares (in shares)	1,161,000	836,000
Weighted average number of common shares - dilutive (in shares)	50,306,000	43,331,000
Basic:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.14	$ 0.03
Diluted:
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.14	$ 0.03
OP Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
OP units excluded from diluted earnings per share because their effect would be anti-dilutive (in shares)		772,775

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Income Taxes (Details) - Texas - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Contingency [Line Items]
Applicable tax rate used to determine state margin tax	0.75%
Standard deduction rate used to determine state margin tax	30.00%
Margin tax provision recognized	$ 101	$ 88

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Equity (Details) $ / shares in Units, $ in Thousands		3 Months Ended					12 Months Ended
	May 14, 2020 $ / shares	Mar. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares	Jun. 30, 2021 USD ($) $ / shares	Mar. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	May 31, 2019 USD ($) agreement
Class of Stock [Line Items]
Common shares, authorized (in shares)		400,000,000	400,000,000				400,000,000
Preferred shares, shares authorized (in shares)		50,000,000	50,000,000				50,000,000
Preferred shares, par value per share (in dollars per share) | $ / shares		$ 0.001	$ 0.001				$ 0.001
Conversion basis for common shares to OP units (in shares)		1
Weighted-average share ownership in operating partnership		98.50%				98.20%
Operating Partnership
Class of Stock [Line Items]
Ownership interest in operating partnership		98.50%
OP Units
Class of Stock [Line Items]
OP units outstanding (in shares)		49,795,151	49,793,803				49,793,803
OP units owned (in shares)		49,025,273	49,023,313				49,023,313
Conversion of stock, shares converted (in shares)		612				0
Cash distribution paid (in dollars per share) | $ / shares	$ 30.00
Preferred Stock | Series A Preferred Stock
Class of Stock [Line Items]
Preferred shares, par value per share (in dollars per share) | $ / shares	$ 0.001
Stock conversion ratio	1
2019 Equity Distribution Agreement
Class of Stock [Line Items]
Number of equity distribution agreements | agreement								9
Equity distribution agreements, authorized amount | $								$ 100,000
Cash Distribution
Class of Stock [Line Items]
Cash distribution paid | $		$ 5,351	$ 5,340	$ 5,064	$ 4,685	$ 4,562	$ 19,651
Cash Distribution | Common Stock
Class of Stock [Line Items]
Cash distribution paid (in dollars per share) | $ / shares		$ 0.1075	$ 0.1075	$ 0.1075	$ 0.1075	$ 0.1058	$ 0.4283
Cash distribution paid | $		$ 5,268	$ 5,257	$ 4,981	$ 4,602	$ 4,480	$ 19,320
Cash Distribution | OP Units
Class of Stock [Line Items]
Cash distribution paid (in dollars per share) | $ / shares		$ 0.1075	$ 0.1075	$ 0.1075	$ 0.1075	$ 0.1058	$ 0.4283
Cash distribution paid | $		$ 83	$ 83	$ 83	$ 83	$ 82	$ 331

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Incentive Share Plan (Narrative) (Details) $ / shares in Units, $ in Thousands										3 Months Ended		12 Months Ended
	Sep. 30, 2021 $ / shares shares	Mar. 17, 2021 $ / shares shares	Jan. 01, 2021 shares	Jul. 31, 2020 $ / shares shares	Sep. 30, 2019 $ / shares shares	Jun. 30, 2019 $ / shares shares	Dec. 01, 2018 $ / shares shares	Mar. 16, 2018 installment shares	Sep. 06, 2017 $ / shares shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 $ / shares shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	May 11, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation | $										$ (1,329)	$ 1,468
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)								4,300
Number of equal installments | installment								3
Restricted Stock | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										21 months
Restricted stock granted to trustees, vested in period (in shares)			208,210
Unrecognized compensation cost | $										$ 1,100
Restricted Stock | Market-Based Vesting (TSR Units) | Shares issued 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage										50.00%
Restricted Stock | Market-Based Vesting (TSR Units) | Shares issued 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage										150.00%
Restricted Stock | Immediate Vesting (CIC Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)									965,000	455,000
Grant date fair value (in dollars per share) | $ / shares									$ 13.05
Restricted Stock | Maximum | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			50.00%
Time-Based Restricted Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)								387,499
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										27 months
Non-Cash Share Based Compensation in 2014 | Subsequent Event | Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $													$ 1,600	$ 800
Common Stock | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock granted to trustees, increase (decrease) (in shares)			104,105
2008 Long-Term Equity Incentive Ownership Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)															3,433,831
2008 Long-Term Equity Incentive Ownership Plan | Restricted Common Shares and Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage										100.00%
2008 Long-Term Equity Incentive Ownership Plan | Non-Vested Time Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $										$ 2,300
Unrecognized compensation cost, period for recognition										27 months
2008 Long-Term Equity Incentive Ownership Plan | Non-Cash Share Based Compensation in 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, period for recognition										19 months
2018 Long-Term Equity Incentive Ownership Plan | Restricted Stock | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)				545,000		405,417	229,684					433,200
Performance period				3 years	3 years		3 years
Grant date fair value (in dollars per share) | $ / shares				$ 5.55	$ 8.22		$ 14.89					$ 4.17
Options to be converted to cash										111,465
2018 Long-Term Equity Incentive Ownership Plan | Restricted Stock | Minimum | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				0.00%	0.00%		0.00%
2018 Long-Term Equity Incentive Ownership Plan | Restricted Stock | Maximum | Market-Based Vesting (TSR Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				200.00%	200.00%		200.00%
2018 Long-Term Equity Incentive Ownership Plan | Time-Based Restricted Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)				530,000	17,069	317,184						433,200
Performance period				3 years	3 years	3 years
Grant date fair value (in dollars per share) | $ / shares				$ 5.83	$ 11.69	$ 10.63						$ 7.51
2018 Long-Term Equity Incentive Ownership Plan | Common Stock | Immediate Vesting (CIC Units)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)		2,490
Grant date fair value (in dollars per share) | $ / shares		$ 10.04
2018 Long-Term Equity Incentive Ownership Plan | Restricted Common Shares | Time-Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	5,500
Grant date fair value (in dollars per share) | $ / shares	$ 9.06

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Incentive Share Plan (Schedule of Share-Based Incentive Plan Activity) (Details) - 2008 Long-Term Equity Incentive Ownership Plan - $ / shares	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2020
Shares
Non-vested, beginning balance (in shares)	2,716,132
Granted (in shares)	0	904,215	1,108,014
Vested (in shares)	0	(1,024,808)	(511,621)
Forfeited (in shares)	(1,334,852)
Non-vested, ending balance (in shares)	1,381,280
Shares, Available for grant (in shares)	1,664,210
Weighted Average Grant Date Fair Value
Non-vested, ending balance (in dollars per share)	$ 8.35
Granted (in dollars per share)	0	$ 5.99	$ 5.76
Forfeited (in dollars per share)	8.29
Non-vested, beginning balance (in dollars per share)	$ 8.32

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Incentive Share Plan (Schedule of Nonvested and Vested Shares Activity) (Details) - 2008 Long-Term Equity Incentive Ownership Plan - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted, Non-Vested Shares Issued (in shares)	0	904,215	1,108,014
Shares Granted, Weighted-Average Grant Date Fair Value (in dollars per share)	$ 0	$ 5.99	$ 5.76
Shares Vested (in shares)	0	(1,024,808)	(511,621)
Shares Vested, Total Vest-Date Fair Value	$ 0	$ 9,757	$ 5,566

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Grants to Trustees (Details)	Dec. 13, 2021 trustee $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of independent trustees (in trustees) | trustee	5
Number of trustee emeritus (in trustees) | trustee	1
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted to trustees, vested in period (in shares) | shares	29,825
Restricted stock granted to each trustee (in shares) | shares	29,825
Restricted stock granted to trustees, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 9.32

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Real Estate (Details) $ in Millions	Dec. 01, 2021 USD ($) ft²	Jul. 08, 2021 USD ($) ft²	Mar. 31, 2022 ft²
Lakeside Market
Real Estate [Line Items]
Payments to acquire productive assets | $		$ 53.2
Area of real estate property | ft²		162,649	200,000
Percent of property leased	89.00%	80.50%
Anderson Arbor
Real Estate [Line Items]
Payments to acquire productive assets | $	$ 28.1
Area of real estate property | ft²	89,746		100,000

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Related Party Transactions - Narrative (Details) - Beneficial Owner	3 Months Ended
	Mar. 31, 2022
James C. Mastandrea
Related Party Transaction [Line Items]
Ownership percentage	66.70%
John J. Dee
Related Party Transaction [Line Items]
Ownership percentage	20.00%

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Related Party Transactions - Revenue and Expenses (Details) - Pillarstone OP - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Property operation and maintenance
Related Party Transaction [Line Items]
Rent	$ (192)	$ (218)
Other revenues
Related Party Transaction [Line Items]
Property management fee income	$ 140	$ 140

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Commitments and Contingencies (Details) $ in Millions	Feb. 23, 2022 USD ($)
Mastandrea v. Whitestone REIT and Certain Company Trustees | Pending Litigation
Loss Contingencies [Line Items]
Damages sought, value	$ 25