The following discussion and analysis of the results of operations and financial
condition should be read in conjunction with the selected financial data and the
Company's consolidated financial statements and notes thereto included in this
Form 10-K.

Critical Accounting Policies and Estimates:



Our accounting policies are described in Note 2 to the consolidated financial
statements included in this Form 10-K. We believe our critical accounting
policies relate to income tax expense, accounting for acquired real estate
facilities, accounting for customer receivable balances, including deferred rent
receivable balances, impairment of long-lived assets, and accrual for uncertain
and contingent liabilities, each of which are more fully discussed below.

Income Tax Expense: We have elected to be treated as a REIT, as defined in the
Code. As a REIT, we do not incur federal income tax on our "REIT taxable income"
that is fully distributed each year (for this purpose, certain distributions
paid in a subsequent year may be considered), and if we meet certain
organizational and operational requirements. We believe we have met these REIT
requirements for all periods presented herein. Accordingly, we have recorded no
federal income tax expense related to our "REIT taxable income."

Our evaluation that we have met the REIT requirements could be incorrect,
because compliance with the tax rules requires factual determinations, and
circumstances we have not identified could result in noncompliance with the tax
requirements in current or prior years. For any taxable year that we fail to
qualify as a REIT and for which applicable statutory relief provisions did not
apply, we would be taxed at the regular corporate rates on all of our taxable
income for at least that year and the ensuing four years, we could be subject to
penalties and interest, and our net income would be materially different from
the amounts shown in our consolidated financial statements.

Accounting for Acquired Real Estate Facilities: We estimate the fair value of
land, buildings, intangible assets and intangible liabilities for purposes of
allocating purchase price. Such estimates, which are determined with the
assistance of third-party valuation specialists where appropriate, are based
upon many assumptions and judgments, including, but not limited to, (i) market
rates of return and capitalization rates on real estate and intangible assets,
(ii) building and material cost levels, (iii) estimated market rent levels, (iv)
future revenue growth rates, (v) future cash flows from the real estate and the
existing customer base and (vi) comparisons of the acquired underlying land
parcels to recent land transactions. Others could come to materially different
conclusions as to the estimated fair values, which could result in different
depreciation and amortization expense, rental income, gains and losses on sale
of real estate assets, and real estate and intangible assets.

Accounting for Customer Receivable Balances, including Deferred Rent Receivable
Balances: Customer receivables consist primarily of amounts due for contractual
lease payments, reimbursements of common area maintenance expenses, property
taxes and other expenses recoverable from customers. Deferred rent receivables
represent the amount that the cumulative straight-line rental income recorded to
date exceeds cash rents billed to date under the lease agreement. The Company
writes off uncollectible customer receivable balances, including deferred rent
receivable balances, in the period such receivable balances are deemed
uncollectible. Significant bad debt losses could materially impact our net
income.

Impairment of Long-Lived Assets: The analysis of impairment of our long-lived
assets involves identification of indicators of impairment, projections of
future operating cash flows and estimates of fair values or selling prices, all
of which require significant judgment and subjectivity. Others could come to
materially different conclusions. In addition, we may not have identified all
current facts and circumstances that may affect impairment. Any unidentified
impairment loss, or change in conclusions, could have a material adverse impact
on our net income.

Accrual for Uncertain and Contingent Liabilities: We accrue for certain
contingent and other liabilities that have significant uncertain elements, such
as property taxes, performance bonuses and other operating expenses, as well as
other legal claims and disputes involving customers, employees, governmental
agencies and other third parties. We estimate such liabilities based upon many
factors such as past trends and our evaluation of likely outcomes. However, the
estimates of known liabilities could be incorrect or we may not be aware of all
such liabilities, in which case our accrued liabilities and net income could be
materially different.

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Business Overview



Our overall operating results are impacted primarily by the performance of our
existing real estate facilities, which at December 31, 2019 were comprised of
27.6 million rentable square feet of primarily multi-tenant industrial, flex and
office properties concentrated in six states and a 95.0% interest in a 395-unit
multifamily apartment complex. Our portfolio of multi-tenant commercial
properties are located in markets that have experienced long-term economic
growth with a particular concentration on small- and medium-size customers.
Accordingly, a significant degree of management attention is paid to maximizing
the cash flow from our existing real estate portfolio. Also, our strong and
conservative capital structure allows us the flexibility to use debt and equity
capital prudently to fund our growth, which allows us to acquire properties we
believe will create long-term value. From time to time we sell properties which
no longer fit the Company's strategic objectives.

Existing Real Estate Facilities: The operating results of our existing real
estate facilities are substantially influenced by demand for rental space within
our properties and our markets, which impacts occupancy, rental rates and
capital expenditure requirements. We strive to maintain high occupancy levels
while increasing rental rates and minimizing capital expenditures when market
conditions allow, although the Company may decrease rental rates in markets
where conditions require. Management's initiatives and strategies with respect
to our existing real estate facilities include incentivizing our personnel to
maximize the return on investment for each lease transaction and providing a
superior level of service to our customers.

Acquisitions of Real Estate Facilities: We seek to grow our portfolio through
acquisitions of facilities generally consistent with the Company's focus on
owning concentrated business parks with easily configurable space and in markets
and product types with favorable long-term return potential.

Subsequent to December 31, 2019, we acquired a multi-tenant industrial park
comprised of approximately 73,000 rentable square feet in La Mirada, California,
for a total purchase price of $13.5 million, inclusive of capitalized
transaction costs. The park consists of five buildings and was 100.0% occupied
at acquisition with suites ranging from 1,200 to 3,000 square feet.

On December 20, 2019, we acquired a multi-tenant flex park comprised of approximately 79,000 rentable square feet in Santa Clara, California, for a total purchase price of $16.8 million, inclusive of capitalized transaction costs. The park consists of nine buildings and was 95.6% occupied at acquisition with suites ranging from 200 to 3,500 square feet.



On September 5, 2019, we acquired a multi-tenant industrial park comprised of
approximately 543,000 rentable square feet in Santa Fe Springs, California, for
a total purchase price of $104.3 million, inclusive of capitalized transaction
costs. The park consists of ten buildings and was 100.0% occupied at acquisition
with suites ranging from 5,000 to 288,000 square feet.

On April 18, 2019, we acquired a multi-tenant industrial park comprised of approximately 74,000 rentable square feet in Signal Hill, California, for a total purchase price of $13.8 million, inclusive of capitalized transaction costs. The park consists of eight buildings and was 98.4% occupied at acquisition with suites ranging from 1,200 to 8,000 square feet. The eight buildings are located in the Signal Hill industrial submarket where we already own five industrial parks totaling 268,000 square feet.



On June 8, 2018, we acquired two multi-tenant industrial parks aggregating 1.1
million rentable square feet in Springfield, Virginia, for a total purchase
price of $143.8 million, inclusive of capitalized transaction costs. The
portfolio consists of 19 buildings and was 76.1% occupied at acquisition with
suites ranging from 100 to 32,000 square feet. The 19 buildings are located in
the Springfield/Newington industrial submarket where we already own three
industrial parks totaling 606,000 square feet.

We continue to seek to acquire additional facilities in our existing markets and
generally in close proximity to our existing facilities; however, there can be
no assurance that we will acquire additional facilities that meet our
risk-adjusted return and underwriting requirements.

Development or Redevelopment of Real Estate Facilities: We may seek to redevelop
our existing real estate. We own a large contiguous block of real estate
(628,000 rentable square feet on 44.5 acres of land) located within an area
known as The Mile in Tysons, Virginia. In 2015, we demolished one of our
existing office buildings at The Mile and built Highgate, a 395-unit apartment
complex, at a cost, including the estimated fair value of existing land, of
$115.4 million.

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While multifamily real estate was not a core asset class for us, we determined
that multifamily real estate represented a unique opportunity and the highest
and best use of that parcel. We have partnered through a joint venture with a
local developer and operator of multifamily properties in order to leverage
their development and operational experience. See "Analysis of Net Income -
Multifamily", "Analysis of Net Income - Equity in loss of unconsolidated joint
venture" below and Notes 3 and 4 to our consolidated financial statements for
more information on Highgate.

On January 1, 2018, we began to consolidate the joint venture due to changes to
the joint venture agreement that gave us control of the joint venture. Prior to
January 1, 2018, we accounted for our investment in the joint venture using the
equity method and accordingly, reflected our share of net loss under "equity in
loss of unconsolidated joint venture."

In 2019, we successfully rezoned our 628,000 square foot office park located at
The Mile in Tysons, Virginia. The rezoning will allow us to develop, at our
election, up to 3,000 additional multifamily units and approximately 500,000
square feet of other commercial uses. In 2017, we completed Highgate at The
Mile, a 395-unit multifamily property which is owned by a joint venture that we
consolidate. We are currently seeking to demolish a 123,000 square foot vacant
office building in order to construct another multifamily property on the
parcel. This parcel is reflected on our consolidated balance sheets as land and
building held for development. The scope and timing of the future phases of
development of The Mile are subject to a variety of contingencies, including
site plan approvals and building permits. We expect that commencement of the
next phase of redevelopment will commence in mid-2020.

Sales of Real Estate Facilities: We may from time to time sell individual real
estate facilities based on market conditions, fit with our existing portfolio,
evaluation of long-term potential returns of markets or product types, or other
reasons.

Subsequent to December 31, 2019, the Company completed the sale of a
single-tenant building totaling 113,000 square feet in Montgomery County,
Maryland, for a gross sales price of $30.0 million. The building had been
marketed previously as part of a broader portfolio of suburban Maryland office
properties in 2019, but was excluded from the 1.3 million square feet of flex
and office business parks sale which closed October 8, 2019 and as such was the
Company's only remaining office asset at Metro Park North. The asset sold has
been classified as held for sale for the year ended December 31, 2019 and all
comparable periods.

On October 8, 2019, we sold three business parks located in Montgomery County,
Maryland: Metro Park North, Meadow Business Park and WesTech Business Park. The
parks, consisting of 28 buildings totaling approximately 1.3 million rentable
square feet sold for net sale proceeds of $144.6 million, which resulted in a
gain of $16.6 million.

On March 5, 2018, we sold Corporate Pointe Business Park, a park consisting of
five multi-tenant office buildings totaling 161,000 square feet located in
Orange County, California, for net sale proceeds of $41.7 million, which
resulted in a gain of $26.8 million. On April 18, 2018, we sold Orange County
Business Center, a park consisting of five multi-tenant office buildings
totaling 437,000 square feet located in Orange County, California, for net sale
proceeds of $73.3 million, which resulted in a gain of $50.6 million. On April
30, 2018, we sold Northgate Business Park, a park consisting of seven
multi-tenant flex buildings totaling 194,000 square feet located in Dallas,
Texas, for net sale proceeds of $11.8 million, which resulted in a gain of $7.9
million. On October 31, 2018, we sold Orangewood Office Park, a park consisting
of two multi-tenant office buildings totaling 107,000 square feet located in
Orange County, California, for net sale proceeds of $18.3 million, which
resulted in a gain of $8.2 million.

On May 1, 2017, we sold Empire Commerce, a two-building single-story office park
comprising 44,000 square feet, located in Dallas, Texas, for net sale proceeds
of $2.1 million, which resulted in a net gain of $1.2 million.

The operations of these facilities are presented below under "assets sold or held for sale."

Certain Factors that May Impact Future Results



Impact of Inflation: Although inflation has not been significant in recent
years, an increase in inflation could impact our future results, and the Company
continues to seek ways to mitigate its potential impact. A substantial portion
of the Company's leases require customers to pay operating expenses, including
real estate taxes, utilities and insurance, as well as increases in common area
expenses, partially reducing the Company's exposure to inflation during each
lease's respective lease period.

Regional Concentration: Our portfolio is concentrated in eight regions, in six
states. We have chosen to concentrate in these regions because we believe they
have characteristics which enable them to be competitive

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economically, such as above average population growth, job growth, higher education levels and personal income. Changes in economic conditions in these regions in the future could impact our future results.



Industry and Customer Concentrations: We seek to minimize the risk of industry
or customer concentrations. As of December 31, 2019, excluding the asset held
for sale, industry concentration that represented more than 10% of our
annualized rental income comes from business services, warehouse, distribution,
transportation and logistics and computer hardware software and related
services. No other industry group represents more than 10% of our annualized
rental income as depicted in the following table.

                                                        Percent of
                                                        Annualized
Industry                                               Rental Income
Business services                                              19.0%

Warehouse, distribution, transportation and logistics 12.5% Computer hardware, software and related services

               10.8%
Retail, food, and automotive                                    7.9%
Health services                                                 7.8%
Engineering and construction                                    7.7%
Government                                                      6.1%
Insurance and financial services                                3.2%
Electronics                                                     2.9%
Home furnishings                                                2.6%
Communications                                                  1.9%
Aerospace/defense products and services                         1.8%
Educational services                                            1.0%
Other                                                          14.8%
Total                                                         100.0%


As of December 31, 2019, excluding the asset held for sale, leases from our top
10 customers comprised 8.6% of our annualized rental income, with only one
customer, the U.S. Government (3.1%), representing more than 1% as depicted in
the following table (in thousands).

                                                                  Percent of
                                                Annualized        Annualized
Customers                   Square Footage   Rental Income (1)   Rental Income
U.S. Government                   521,000      $        12,806            3.1%
Luminex Corporation               199,000                4,348            1.0%
Amazon Inc.                       213,000                2,718            0.7%
KZ Kitchen Cabinet & Stone        191,000                2,599            0.6%
Lockheed Martin Corporation       124,000                2,554            0.6%
CentralColo, LLC                   96,000                2,313            0.6%
Applied Materials, Inc.           162,000                2,313            0.6%
Carbel, LLC                       207,000                2,143            0.5%
Quanta Computer Inc.              179,000                1,874            0.5%
ECS Federal, LLC                   81,000                1,840            0.4%
Total                           1,973,000      $        35,508            8.6%


____________________________

(1)For leases expiring prior to December 31, 2020, annualized rental income represents income to be received under existing leases from January 1, 2020 through the date of expiration.



Customer credit risk: We have historically experienced a low level of write-offs
of uncollectible rents, with less than 0.5% of rental income written off in any
year over the last eight years. However, there can be no assurance that
write-offs may not increase because there is inherent uncertainty in a
customer's ability to continue paying rent and meet its full lease obligation.
As of February 17, 2020, we did not have any customers that are protected by
Chapter 11 of the U.S. Bankruptcy Code. From time to time, customers contact us,
requesting early termination of their lease, reductions in space leased, or rent
deferment or abatement, which we are not obligated to grant but will consider
under certain circumstances.


?

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Net Operating Income



We utilize net operating income ("NOI"), a measure that is not defined in
accordance with U.S. generally accepted accounting principles ("GAAP"), to
evaluate the operating performance of our real estate. We define NOI as rental
income less adjusted cost of operations. Adjusted cost of operations represents
cost of operations, excluding stock compensation, which can vary significantly
period to period based upon the performance of the company.

We believe NOI assists investors in analyzing the performance of our real estate
by excluding (i) corporate overhead (i.e., general and administrative expense)
because it does not relate to the direct operating performance of our real
estate, (ii) depreciation and amortization expense because it does not
accurately reflect changes in the fair value of our real estate and (iii) stock
compensation expense because this expense item can vary significantly from
period to period and thus impact comparability across periods. The Company's
calculation of NOI may not be comparable to those of other companies and should
not be used as an alternative to performance measures calculated in accordance
with GAAP.

Beginning January 1, 2019, the Company has recorded our divisional vice
presidents' compensation costs within general and administrative expense, as we
determined that the nature of these individuals' responsibilities is more
consistent with corporate oversight as opposed to direct property operations. As
a result of this change, we have reclassified our divisional vice presidents'
compensation costs totaling $1.9 million for the year ended December 31, 2018,
consisting of $1.3 million of compensation costs and $617,000 of stock
compensation expense, and compensation costs totaling $3.0 million for the year
ended December 31, 2017, consisting of $1.6 million of compensation costs and
$1.4 million of stock compensation expense, from cost of operations into general
and administrative expense on our consolidated statements of income in the years
ended December 31, 2018 and 2017 in order to conform to the current periods'
presentation.

See "Analysis of net income" below for reconciliations of each of these measures to their closest analogous GAAP measure from our consolidated statements of income.



Results of Operations


Operating Results for 2019 and 2018



For the year ended December 31, 2019, net income allocable to common
shareholders was $108.7 million or $3.95 per diluted share, compared to $172.9
million or $6.31 per diluted share for the year ended December 31, 2018. The
decrease was mainly due to higher gain on sale of real estate facilities sold in
2018 than 2019, and the charge related to the redemption of preferred stock
incurred during 2019 that did not occur in 2018, partially offset by an increase
in NOI with respect to the Company's real estate facilities. The increase in NOI
includes a $12.7 million, or 4.9%, increase attributable to Same Park facilities
(defined below) driven by an increase in rental rates, combined with increased
NOI from Non-Same Park and multifamily assets, partially offset by reduced NOI
from facilities sold in 2018 and 2019.

Operating Results for 2018 and 2017



For the year ended December 31, 2018, net income allocable to common
shareholders was $172.9 million or $6.31 per diluted share, compared to $90.4
million or $3.30 per diluted share for the year ended December 31, 2017. The
increase was mainly due to the gain on the sale of three office parks in Orange
County, California, and an industrial park in Dallas, Texas, during 2018,
charges related to the redemption of preferred stock incurred in 2017 that did
not recur in 2018 and an increase in NOI with respect to the Company's real
estate facilities. The increase in NOI includes a $9.1 million increase from our
Same-Park facilities due primarily to increases in occupancy and rental rates
combined with increased NOI from our Non-Same Park and multifamily assets,
partially offset by reduced NOI from facilities we sold in 2018.

Analysis of Net Income

Our net income is comprised primarily of our real estate operations, depreciation and amortization expense, general and administrative expense, interest and other income, interest and other expenses and gain on sale of real estate facilities and development rights.

We segregate our real estate activities into (i) same park operations, representing all operating properties acquired prior to January 1, 2017, comprising 25.7 million rentable square feet of our 27.6 million in rentable square feet at



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December 31, 2019 (the "Same Park" facilities), (ii) non-same park operations,
representing those facilities we own that were acquired after January 1, 2017
(the "Non-Same Park" facilities), (iii) multifamily operations and (iv) assets
sold or held for sale, representing a 113,000 square foot asset held for sale as
of December 31, 2019, operating results related to 1.3 million square feet of
assets sold in 2019, 899,000 square feet of assets sold in 2018, and 44,000
square feet of assets sold during 2017.

The table below sets forth the various components of our net income (in
thousands):

                                   For the Years                           For the Years
                                 Ended December 31,                     Ended December 31,
                                 2019          2018        Variance      2018         2017        Variance
Rental income
Same Park (1)                 $  382,823    $ 364,811    $  18,012    $ 364,811    $ 354,393    $  10,418
Non-Same Park                     14,276        5,532        8,744        5,532             -       5,532
Multifamily                       10,075        7,353        2,722        7,353             -       7,353
Assets sold or held for sale      22,672       35,820                    35,820       47,786
(2)                                                        (13,148)                               (11,966)
Total rental income              429,846      413,516       16,330      413,516      402,179       11,337

Cost of operations (3)
Adjusted cost of operations
(4)
Same Park                        109,708      104,380        5,328      104,380      103,038        1,342
Non-Same Park                      4,899        1,884        3,015        1,884             -       1,884
Multifamily                        4,137        4,054           83        4,054             -       4,054
Assets sold or held for sale       8,465       12,866                    12,866       17,679
(2)                                                         (4,401)                                (4,813)
Stock compensation expense         1,134        1,446                     1,446        1,631
(5)                                                           (312)                                  (185)
Total cost of operations         128,343      124,630        3,713      124,630      122,348        2,282

NOI (6)
Same Park                        273,115      260,431       12,684      260,431      251,355        9,076
Non-Same Park                      9,377        3,648        5,729        3,648             -       3,648
Multifamily                        5,938        3,299        2,639        3,299             -       3,299
Assets sold or held for sale
(2) (7)                           14,207       22,954       (8,747)      22,954       30,107       (7,153)
Stock compensation expense
(5)                               (1,134)      (1,446)         312       (1,446)      (1,631)         185
Depreciation and amortization   (104,249)     (99,242)                  (99,242)     (94,270)
expense                                                     (5,007)                                (4,972)
General and administrative       (13,761)     (12,072)                  (12,072)     (12,671)
expense (3)                                                 (1,689)                                   599

Interest and other income 4,492 1,510 2,982 1,510 942 568 Interest and other expense (657) (665)

           8         (665)      (1,285)         620
Equity in loss of                       -            -                         -        (805)
unconsolidated joint venture                                      -                                   805
Gain on sale of real estate       16,644       93,484                    93,484        1,209
facilities                                                 (76,840)                                92,275
Gain on sale of development             -            -                         -       6,365
rights                                                            -                                (6,365)
Net income                    $  203,972    $ 271,901    $ (67,929)   $ 271,901    $ 179,316    $  92,585

____________________________

(1)Same Park rental income includes lease buyout income of $1.4 million, $583,000 and $939,000 for the years ended December 31, 2019, 2018 and 2017, respectively.



(2)Amounts for the year ended December 31, 2019 reflect the operating results
related to 1.3 million square feet of assets sold in 2019 and a 113,000 square
foot building held for sale as of December 31, 2019; amounts shown for the year
ended December 31, 2018 reflect the operating results related to 1.3 million
square feet of assets sold in 2019, a 113,000 square foot building held for sale
as of December 31, 2019, and 899,000 square feet of assets sold in 2018; amounts
shown for the year ended December 31, 2017 reflect the operating results related
to 1.3 million square feet of assets sold in 2019, a 113,000 square foot
building held for sale as of December 31, 2019, 899,000 square feet of assets
sold in 2018, and 44,000 square feet of assets sold in 2017.

(3)We have reclassified our divisional vice presidents' compensation costs
totaling $1.9 million and $3.0 million for the years ended December 30, 2018 and
2017, respectively, from cost of operations into general and administrative
expense on our consolidated statements of income in the years ended December 31,
2018 and 2017 in order to conform to the current periods' presentation. Of this
amount, $617,000 and $1.4 million of stock compensation expense for the years
ended December 31, 2018 and 2017, respectively, had previously been excluded
from NOI.

(4)Adjusted cost of operations excludes the impact of stock compensation expense.

(5)Stock compensation expense, as shown here, represents stock compensation expense for employees whose compensation expense is recorded in cost of operations. Note that stock compensation expense attributable to our executive management team (including divisional vice presidents) and other corporate employees is recorded within general and administrative expense.

(6)NOI represents rental income less adjusted cost of operations.


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(7)NOI from assets sold and held for sale in 2019 was $14.2 million, $19.9 million and $20.5 million for the years ended December 31, 2019, 2018 and 2017, respectively. The remaining amounts in 2018 and 2017 relate to assets sold during 2018 and 2017.



Rental income increased $16.3 million in 2019 compared to 2018 and by $11.3
million in 2018 compared to 2017 due primarily to increases in rental income at
our Same Park and Non-Same Park facilities and an increase in rental income from
our multifamily asset, offset partially by rental income from assets sold. The
increase in rental income at our Same Park facilities in 2019 was due primarily
to higher revenue per occupied square foot, while the 2018 increase was due
primarily to higher revenue per occupied square foot and increased occupancy.

Cost of operations increased $3.7 million in 2019 compared to 2018 and by $2.3
million in 2018 compared to 2017 due primarily to increases in adjusted cost of
operations for our Same Park and Non-Same Park facilities, offset partially by
adjusted costs of operations from assets sold. The 2018 increase was also
attributable to an increase in cost of operations from our multifamily asset.
The 2019 and 2018 increases in adjusted cost of operations were partially offset
by lower stock compensation expense.

Net income decreased $67.9 million in 2019 compared to 2018 and increased by
$92.6 million in 2018 compared to 2017. The 2019 decrease was mainly due to
higher gain on sale of real estate facilities sold in 2018 than 2019 combined
with higher depreciation and amortization expense and higher general and
administrative expense partially offset by higher NOI. The 2018 increase in net
income was primarily due to the gain on the sale of three office parks in Orange
County, California, and an industrial park in Dallas, Texas, during 2018
combined with higher NOI partially offset by higher depreciation and
amortization expense.

Same Park Facilities



We believe that evaluation of the Same Park facilities provide an informative
view of how the Company's portfolio has performed over comparable periods. We
believe that investors and analysts use Same Park information in a similar
manner.

The following table summarizes the historical operating results of these facilities and certain statistical information related to leasing activity in 2019, 2018 and 2017 (in thousands, except per square foot data):



                                   For the Years                        For the Years
                                Ended December 31,                   Ended December 31,
                                 2019         2018      Variance      2018         2017      Variance
Rental income (1)             $ 382,823    $ 364,811        4.9%   $ 364,811    $ 354,393        2.9%

Adjusted cost of operations
(2)
Property taxes                   40,061       38,076        5.2%      38,076       36,969        3.0%
Utilities                        19,521       19,535      (0.1%)      19,535       19,043        2.6%
Repairs and maintenance          23,521       21,693        8.4%      21,693       22,470      (3.5%)
Snow removal                      1,046          713       46.7%         713          400       78.3%
Other expenses                   25,559       24,363        4.9%      24,363       24,156        0.9%
Total                           109,708      104,380        5.1%     104,380      103,038        1.3%

NOI                           $ 273,115    $ 260,431        4.9%   $ 260,431    $ 251,355        3.6%

Selected Statistical Data
NOI margin (3)                     71.3%        71.4%     (0.1%)        71.4%        70.9%       0.7%
Weighted average square foot       94.5%        94.9%     (0.4%)        94.9%        94.0%       1.0%
occupancy
Revenue per occupied square   $   15.76    $   14.96        5.3%   $   14.96    $   14.67        2.0%
foot (4)
Revenue per available foot    $   14.90    $   14.20        4.9%   $   14.20    $   13.79        3.0%
(RevPAF) (5)


____________________________

(1)Same Park rental income includes lease buyout income of $1.4 million, $583,000 and $939,000 for the years ended December 31, 2019, 2018 and 2017, respectively.



(2)We have reclassified divisional vice presidents' compensation costs totaling
$1.2 million and $1.5 million for the years ended December 31, 2018 and 2017,
respectively, from adjusted cost of operations into general and administrative
expense in order to conform to the current periods' presentation. Stock
compensation expense for our divisional vice presidents, which totaled $585,000
and $1.3 million for the years ended December 31, 2018 and 2017, respectively,
had previously been excluded from adjusted cost of operations.

(3)NOI margin is computed by dividing NOI by rental income.


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(4)Revenue per occupied square foot is computed by dividing rental income during the period by weighted average occupied square feet during the same period.

(5)Revenue per available square foot is computed by dividing rental income during the period by weighted average available square feet.

Analysis of Same Park Rental Income



Rental income generated by our Same Park facilities increased 4.9% in 2019
compared to 2018 and by 2.9% in 2018 compared to 2017. The 2019 increase was due
primarily to higher rental rates, as revenue per occupied square foot increased
5.3%, partially offset by a 0.4% decrease in weighted average occupancy in 2019
compared to the year prior. The 2018 increase was due primarily to higher rental
rates combined with higher occupancy. Revenue per occupied square foot and
weighted average occupancy increased 2.0% and 1.0%, respectively, in 2018
compared to the year prior.

We believe that high occupancy levels help maximize our rental income. Accordingly, we seek to maintain a weighted average occupancy over 90%.



During 2019 and 2018, most markets continued to reflect conditions favorable to
landlords allowing for stable occupancy as well as increasing cash rental rates.
With the exception of Northern Virginia and Suburban Maryland markets, new cash
rental rates for the Company improved over expiring cash rental rates on
executed leases as economic conditions and tenant demand remained robust.

Our future revenue growth will come primarily from contractual rental increases
as well as from potential increases in market rents allowing us to increase rent
levels when leases are either renewed with existing customers or re-leased to
new customers. The following table sets forth the expirations of existing leases
in our Same Park portfolio over the next 10 years based on lease data at
December 31, 2019 (dollars and square feet in thousands):

                                                                                             Percent of
                                   Rentable
                                    Square         Percent of      Annualized Rental      Annualized Rental
                                   Footage
                   Number of      Subject to      Total Leased       Income Under        Income Represented
Year of Lease                      Expiring
Expiration         Customers        Leases       Square Footage     Expiring Leases      by Expiring Leases
2020                   1,916            5,787             23.8%   $           92,159                    22.0%
2021                   1,356            4,916             20.2%               84,293                    20.1%
2022                     699            4,567             18.7%               82,052                    19.5%
2023                     346            3,004             12.3%               51,254                    12.2%
2024                     290            2,467             10.1%               43,628                    10.4%
2025                      54            1,802              7.3%               31,854                     7.5%
2026                      23              677              2.8%               11,539                     2.8%
2027                      14              134              0.6%                3,311                     0.8%
2028                       7              388              1.6%                6,703                     1.6%
2029                      10              287              1.2%                6,953                     1.7%
Thereafter                 6              334              1.4%                5,833                     1.4%
Total                  4,721           24,363            100.0%   $          419,579                   100.0%


During the year ended December 31, 2019, we leased approximately 7.1 million in
rentable square feet to new and existing customers at an average 8.3% increase
in cash rental rates over the previous rates. Renewals of leases with existing
customers represented 64.3% of our leasing activity for the year ended December
31, 2019. See "Analysis of Same Park Market Trends" below for further analysis
of such data on a by-market basis.

Our ability to re-lease space as leases expire in a way that minimizes vacancy
periods and maximizes market rental rates will depend upon market conditions in
the specific submarkets in which each of our properties are located.

Analysis of Same Park Adjusted Cost of Operations



Adjusted cost of operations for our Same Park facilities increased 5.1% in 2019
compared to 2018 due to higher property tax expense, higher repairs and
maintenance costs, higher other expenses and an increase in snow removal costs.
Adjusted costs of operations increased by 1.3% in 2018 compared to 2017 due
primarily to increased property taxes, higher utility costs and snow removal
costs, partially offset by lower repairs and maintenance expense.

Property taxes increased 5.2% in 2019 compared to 2018 and by 3.0% in 2018 compared to 2017 due to higher assessed values. We expect property tax growth in the future due primarily to higher assessed values.


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Utilities are dependent upon energy prices and usage levels. Changes in usage
levels are driven primarily by weather and temperature. Utilities decreased 0.1%
in 2019 compared to 2018 and increased 2.6% in 2018 compared to 2017. It is
difficult to estimate future utility costs, because weather, temperature and
energy prices are volatile and not predictable. However, based upon current
trends and expectations regarding commercial electricity rates, we expect
inflationary increases in rates in the future.

Repairs and maintenance increased 8.4% in 2019 resulting from higher roof and
landscaping repairs compared to 2018 and decreased by 3.5% in 2018 compared to
2017 due to incremental costs in 2017 relating to Hurricane Irma. Repairs and
maintenance costs are dependent upon many factors including weather conditions,
which can impact repair and maintenance needs, inflation in material and labor
costs and random events, and as a result are not readily predictable.

Snow removal increased 46.7% in 2019 compared to 2018 and increased by 78.3% in
2018 compared to 2017. Snow removal costs are weather dependent and therefore
not predictable.

Other expenses increased 4.9% in 2019 compared to 2018 and 0.9% in 2018 compared
to 2017. Other expenses are comprised of on-site and supervisory personnel,
property insurance and other expenses incurred in the operation of our
properties. The increase in 2019 was primarily due to an increase in our
property insurance premium for the policy period, June 2019 to May 2020, and
higher than average professional fees related to ordinary course tenant related
matters. We expect increases in other expenses to be similar to the increases in
prior years.

Same Park Quarterly Trends

The following table sets forth historical quarterly data related to the operations of our Same Park facilities for rental income, adjusted cost of operations, occupancies, annualized revenue per occupied square foot, and RevPaf (in thousands, except per square foot data):



                                         For the Three Months Ended
                           March 31     June 30      September 30     December 31      Full Year
Rental income
2019                      $  94,813    $  95,016    $      95,358    $     97,636    $  382,823
2018                      $  90,821    $  90,980    $      91,446    $     91,564    $  364,811
2017                      $  88,178    $  87,707    $      88,628    $     89,880    $  354,393

Adjusted cost of
operations (1)
2019                      $  28,177    $  26,727    $      27,494    $     27,310    $  109,708
2018                      $  26,954    $  26,140    $      26,033    $     25,253    $  104,380
2017                      $  25,471    $  25,045    $      25,796    $     26,726    $  103,038

NOI (1)
2019                      $  66,636    $  68,289    $      67,864    $     70,326    $  273,115
2018                      $  63,867    $  64,840    $      65,413    $     66,311    $  260,431
2017                      $  62,707    $  62,662    $      62,832    $     63,154    $  251,355

Weighted average square foot
occupancy
2019                           94.7%        94.2%            94.7%           94.4%         94.5%
2018                           94.5%        94.5%            95.1%           95.4%         94.9%
2017                           94.2%        93.2%            93.7%           94.8%         94.0%

Annualized revenue per occupied
square foot
2019                      $   15.58    $   15.69    $       15.67    $      16.10    $    15.76
2018                      $   14.97    $   14.99    $       14.97    $      14.94    $    14.96
2017                      $   14.56    $   14.64    $       14.73    $      14.76    $    14.67

RevPAF
2019                      $   14.76    $   14.79    $       14.84    $      15.20    $    14.90
2018                      $   14.14    $   14.16    $       14.24    $      14.25    $    14.20
2017                      $   13.73    $   13.65    $       13.80    $      13.99    $    13.79


____________________________

(1)To conform to current period presentation, we have reclassified divisional
vice presidents' compensation costs totaling $364,000, $288,000, $280,000 and
$280,000 for each of the three months ended March 31, 2018, June 30, 2018,
September 30, 2018 and December 31, 2018, respectively, and $386,000 for each of
the three months ended March 31, 2017, June 30, 2017, September 30, 2017 and
December 31, 2017 from adjusted cost of operations into general and
administrative expense. Stock compensation expense for our divisional vice
presidents had previously been excluded from adjusted cost of operations.
?

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Analysis of Same Park Market Trends

The following tables set forth rental income, adjusted cost of operations, weighted average occupancy, revenue per occupied square foot, and RevPaf data in our Same Park facilities (in thousands, except per square foot data):



                                 For the Years                        For the Years
                               Ended December 31,                  Ended December 31,
Region                         2019          2018     Variance      2018          2017     Variance

Geographic Data on Same Park



Rental income
Northern California (7.2   $  108,046    $  99,610      8.5%     $  99,610    $  93,032      7.1%
million feet)
Southern California (3.3       55,080       52,873      4.2%        52,873       50,269      5.2%
million feet)
Dallas (2.9 million feet)      33,789       30,899      9.4%        30,899       31,398     (1.6%)
Austin (2.0 million feet)      30,679       29,608      3.6%        29,608       29,240      1.3%
Northern Virginia (3.9         73,734       73,818     (0.1%)       73,818       75,590     (2.3%)
million feet)
South Florida (3.9 million     43,601       41,824      4.2%        41,824       41,082      1.8%
feet)
Suburban Maryland (1.1         19,876       18,975      4.7%        18,975       17,631      7.6%
million feet)
Seattle (1.4 million feet)     18,018       17,204      4.7%        17,204       16,151      6.5%
Total Same Park (25.7                                   4.9%                                 2.9%
million feet)                 382,823      364,811                 364,811      354,393

Adjusted cost of operations
Northern California            24,313       22,653      7.3%        22,653       22,988     (1.5%)
Southern California            14,215       13,349      6.5%        13,349       13,025      2.5%
Dallas                         11,488       10,896      5.4%        10,896       10,435      4.4%
Austin                         10,843       10,352      4.7%        10,352        9,734      6.3%
Northern Virginia              25,488       25,128      1.4%        25,128       24,672      1.8%
South Florida                  11,977       10,733     11.6%        10,733       11,043     (2.8%)
Suburban Maryland               7,126        6,989      2.0%         6,989        7,178     (2.6%)
Seattle                         4,258        4,280     (0.5%)        4,280        3,963      8.0%
Total Same Park               109,708      104,380      5.1%       104,380      103,038      1.3%

Net operating income
Northern California            83,733       76,957      8.8%        76,957       70,044      9.9%
Southern California            40,865       39,524      3.4%        39,524       37,244      6.1%
Dallas                         22,301       20,003     11.5%        20,003       20,963     (4.6%)
Austin                         19,836       19,256      3.0%        19,256       19,506     (1.3%)
Northern Virginia              48,246       48,690     (0.9%)       48,690       50,918     (4.4%)
South Florida                  31,624       31,091      1.7%        31,091       30,039      3.5%
Suburban Maryland              12,750       11,986      6.4%        11,986       10,453     14.7%
Seattle                        13,760       12,924      6.5%        12,924       12,188      6.0%
Total Same Park            $  273,115    $ 260,431      4.9%     $ 260,431    $ 251,355      3.6%

Weighted average square foot occupancy
Northern California              96.1%        97.8%    (1.7%)         97.8%        95.9%     2.0%
Southern California              95.0%        97.6%    (2.7%)         97.6%        96.4%     1.2%
Dallas                           92.4%        89.7%     3.0%          89.7%        90.3%    (0.7%)
Austin                           91.8%        92.5%    (0.8%)         92.5%        94.9%    (2.5%)
Northern Virginia                94.1%        92.8%     1.4%          92.8%        91.4%     1.5%
South Florida                    95.4%        96.4%    (1.0%)         96.4%        97.5%    (1.1%)
Suburban Maryland                89.3%        83.1%     7.5%          83.1%        74.5%    11.6%
Seattle                          96.2%        98.2%    (2.0%)         98.2%        98.1%     0.1%
Total Same Park                  94.5%        94.9%    (0.4%)         94.9%        94.0%     1.0%

Revenue per occupied square foot
Northern California        $    15.52    $   14.06     10.4%     $   14.06    $   13.39      5.0%
Southern California        $    17.67    $   16.50      7.1%     $   16.50    $   15.90      3.8%
Dallas                     $    12.66    $   11.92      6.2%     $   11.92    $   12.03     (0.9%)
Austin                     $    17.02    $   16.29      4.5%     $   16.29    $   15.69      3.8%
Northern Virginia          $    20.01    $   20.31     (1.5%)    $   20.31    $   21.10     (3.7%)
South Florida              $    11.82    $   11.23      5.3%     $   11.23    $   10.90      3.0%
Suburban Maryland          $    19.39    $   19.89     (2.5%)    $   19.89    $   20.62     (3.5%)
Seattle                    $    13.49    $   12.60      7.1%     $   12.60    $   11.84      6.4%
Total Same Park            $    15.76    $   14.96      5.3%     $   14.96    $   14.67      2.0%

RevPAF
Northern California        $    14.91    $   13.75      8.4%     $   13.75    $   12.84      7.1%
Southern California        $    16.78    $   16.11      4.2%     $   16.11    $   15.31      5.2%
Dallas                     $    11.70    $   10.70      9.3%     $   10.70    $   10.88     (1.7%)
Austin                     $    15.63    $   15.08      3.6%     $   15.08    $   14.90      1.2%
Northern Virginia          $    18.82    $   18.85     (0.2%)    $   18.85    $   19.30     (2.3%)
South Florida              $    11.28    $   10.82      4.3%     $   10.82    $   10.63      1.8%
Suburban Maryland          $    17.36    $   16.57      4.8%     $   16.57    $   15.40      7.6%
Seattle                    $    12.96    $   12.38      4.7%     $   12.38    $   11.62      6.5%
Total Same Park            $    14.90    $   14.20      4.9%     $   14.20    $   13.79      3.0%


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Supplemental Same Park Data by Product Type



The following supplemental tables provide further detail of our Same Park rental
income, adjusted cost of operations and net operating income by region, further
segregated by industrial, flex and office for each of the three years ended
December 31, 2019, 2018 and 2017.

                          For the Year Ended December 31, 2019                  For the Year Ended December 31, 2018                  For the Year 

Ended December 31, 2017


                    Industrial          Flex       Office      Total      Industrial          Flex       Office      Total      Industrial          Flex       Office      Total
                                                                                            In thousands
Rental Income:
Northern           $     86,088       $   9,801   $ 12,157   $ 108,046   $     78,721       $   9,442   $ 11,447   $  99,610   $     72,878       $   9,364   $ 10,790   $  93,032
California
Southern                 35,387          18,932        761      55,080         34,272          17,954        647      52,873         32,516          17,083        670      50,269
California
Dallas                   12,412          21,377          -      33,789         11,566          19,333          -      30,899         11,406          19,992          -      31,398
Austin                    8,317          22,362          -      30,679     

7,863 21,745 - 29,608 7,316 21,924 - 29,240 Northern Virginia 7,468 24,620 41,646 73,734

7,350 24,755 41,713 73,818 6,978 25,715 42,897 75,590 South Florida

            41,543           1,916        142      43,601         39,810           1,931         83      41,824         38,963           1,911        208      41,082
Suburban Maryland         4,396               -     15,480      19,876          4,464               -     14,511      18,975          4,528               -     13,103      17,631
Seattle                  10,950           6,342        726      18,018         10,474           6,003        727      17,204          9,901           5,675        575      16,151
Total                   206,561         105,350     70,912     382,823        194,520         101,163     69,128     364,811        184,486         101,664     68,243     354,393
Adjusted Cost of
Operations:
Northern                 18,526           2,602      3,185      24,313         17,207           2,512      2,934      22,653         17,680           2,440      2,868      22,988
California
Southern                  8,869           5,063        283      14,215          8,397           4,685        267      13,349          8,132           4,627        266      13,025
California
Dallas                    3,702           7,786          -      11,488          3,666           7,230          -      10,896          3,446           6,989          -      10,435
Austin                    2,778           8,065          -      10,843          2,637           7,715          -      10,352          2,485           7,249          -       9,734
Northern Virginia         2,104           7,557     15,827      25,488          1,998           7,314     15,816      25,128          1,936           7,148     15,588      24,672
South Florida            11,262             602        113      11,977         10,162             509         62      10,733         10,401             576         66      11,043
Suburban Maryland         1,427               -      5,699       7,126          1,349               -      5,640       6,989          1,446               -      5,732       7,178
Seattle                   2,566           1,492        200       4,258          2,612           1,446        222       4,280          2,308           1,468        187       3,963
Total                    51,234          33,167     25,307     109,708         48,028          31,411     24,941     104,380         47,834          30,497     24,707     103,038
NOI:
Northern                                                        83,733                                                76,957                                                70,044
California               67,562           7,199      8,972                     61,514           6,930      8,513                     55,198           6,924      7,922
Southern                                                        40,865                                                39,524                                                37,244
California               26,518          13,869        478                     25,875          13,269        380                     24,384          12,456        404
Dallas                    8,710          13,591          -      22,301          7,900          12,103          -      20,003          7,960          13,003          -      20,963
Austin                    5,539          14,297          -      19,836     

5,226 14,030 - 19,256 4,831 14,675 - 19,506 Northern Virginia 5,364 17,063 25,819 48,246

5,352 17,441 25,897 48,690 5,042 18,567 27,309 50,918 South Florida

            30,281           1,314         29      31,624         29,648           1,422         21      31,091         28,562           1,335        142      30,039
Suburban Maryland         2,969               -      9,781      12,750          3,115               -      8,871      11,986          3,082               -      7,371      10,453
Seattle                   8,384           4,850        526      13,760          7,862           4,557        505      12,924          7,593           4,207        388      12,188
Total              $    155,327       $  72,183   $ 45,605   $ 273,115   $ 

146,492 $ 69,752 $ 44,187 $ 260,431 $ 136,652 $ 71,167 $ 43,536 $ 251,355




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As noted above, our past revenue growth has come from contractual annual rent
increases, as well as re-leasing of space at rates above outgoing rental rates.
We believe the percentage difference between outgoing cash rent inclusive of
estimated expense recoveries and incoming cash rent inclusive of estimated
expense recoveries for leases executed (the "Cash Rental Rate Change") is useful
in understanding trends in current market rates relative to our existing lease
rates. The following table summarizes the Cash Rental Rate Change and other key
statistical information with respect to the Company's leasing production for its
Same Park facilities, on a regional basis, for the year ended December 31, 2019
(square feet in thousands):

                             For the Year Ended December 31, 2019
                     Square                 Transaction
                     Footage  Customer       Costs per        Rental
Regions              Leased   Retention    Executed Foot  Rate Change (1)
Northern California   1,777       64.6%  $         2.43             18.3%
Southern California   1,214       69.2%  $         1.83              8.1%
Dallas                  838       60.9%  $         4.97              5.7%
Austin                  529       77.5%  $         5.49              5.6%
Northern Virginia     1,154       75.0%  $         8.04            (2.8%)
South Florida           941       49.7%  $         1.67             12.7%
Suburban Maryland       216       73.9%  $         6.40            (3.5%)
Seattle                 382       64.9%  $         1.22             15.8%
Total                 7,051       65.8%  $         3.73              8.3%

____________________________



(1)Cash Rental Rate Change is computed by taking the percentage difference
between the incoming initial billed monthly cash rental rates inclusive of
estimated expense recoveries (excluding the impact of certain items such as
concessions or future escalators) on new leases or extensions executed in the
period, and the outgoing monthly cash rental rates inclusive of estimated
expense recoveries last billed on the previous lease for that space. Leases
executed on spaces vacant for more than the preceding twelve months have been
excluded from this measure.

During 2019 and 2018, most markets, with the exception of Northern Virginia and
Suburban Maryland, continued to reflect favorable conditions allowing for stable
occupancy as well as increasing cash rental rates. In Northern Virginia and
Suburban Maryland, cash rental rates on executed leases declined 2.8% and 3.5%,
respectively, for the year ended December 31, 2019, reflecting continued soft
market conditions that have persisted for several years due to, among other
factors, federal government downsizing. To the extent that such trends continue
in these markets, which comprised 24.5% of our Same Park rental income for the
year ended December 31, 2019 and 19.2% of square feet expiring through December
31, 2020, we may continue to face reduced rental income in these markets.

Non-Same Park facilities: The table below reflects the assets comprising our Non-Same Park facilities (in thousands):



                                                       Purchase                             Occupancy
                                                                   Square   Occupancy at       at
Property             Date Acquired      Location        Price       Feet    

Acquisition December


                                                                                            31, 2019
San Tomas           December, 2019    Santa Clara,    $  16,787       79       95.6%          95.6%
Business Center                       CA
Hathaway            September, 2019   Santa Fe          104,330      543       100.0%        100.0%
Industrial Park                       Springs, CA

Walnut Avenue April, 2019 Signal Hill, 13,824 74

    98.4%          96.7%
Business Park                         CA
Northern Virginia   June, 2018        Lorton and
and Fullerton                         Springfield,
Road Industrial                       VA                143,766    1,057       76.1%          91.3%
Parks
Total                                                 $ 278,707    1,753       85.4%          94.4%


NOI from the Non-Same Park facilities included $1.7 million of NOI from the 2019
acquisitions for the year ended December 31, 2019. Excluding the results from
the 2019 acquisitions, the NOI increase from prior year was tied to an increase
in occupancy at our 2018 acquisition.

We believe that our management and operating infrastructure typically allows us
to generate higher NOI from newly acquired real estate facilities than was
achieved by the previous owners. However, it can take 24 or more months for us
to fully achieve higher NOI, and the ultimate levels of NOI to be achieved can
be affected by changes in general economic conditions. As a result, there can be
no assurance that we will achieve our expectations with respect to newly
acquired real estate facilities.

Multifamily: As of December 31, 2019, we have a 95.0% interest in Highgate, a 395-unit apartment complex. On January 1, 2018, we began to consolidate the joint venture due to changes to our joint venture agreement that gave the


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Company control of the joint venture. Prior to January 1, 2018, we accounted for
our investment in the joint venture using the equity method and accordingly,
reflected our share of net loss under "equity in loss of unconsolidated joint
venture."

Highgate began leasing activities during the second quarter of 2017. During the
year ended December 31, 2019, Highgate generated $5.9 million of NOI, consisting
of $10.1 million in rental income and $4.1 million in cost of operations
compared to $3.3 million of NOI, consisting of $7.4 million in rental income and
$4.1 million in cost of operations for the same period in 2018.

The following table summarizes certain statistics for Highgate as of December
31, 2019:

                                   As of December 31, 2019        Weighted Average Occupancy
             Total Costs (1)                                     For the years ended December
Apartment                         Physical       Average Rent                31,
  Units      (in thousands)       Occupancy      per Unit (2)        2019            2018
   395      $        115,426            94.7%   $       2,133            95.4%          78.2%


____________________________

(1)The project cost for Highgate includes the underlying land at its assigned
contribution value upon formation of the joint venture of $27.0 million, which
includes unrealized land appreciation of $6.0 million that is not recorded on
our balance sheet.

(2)Average rent per unit is defined as the total potential monthly rental revenue (actual rent for occupied apartment units plus market rent for vacant apartment units) divided by the total number of rentable apartment units.



Assets sold or held for sale: These amounts include historical operating results
with respect to properties that we sold or intend to sell. Amounts for the year
ended December 31, 2019 reflect the operating results related to 1.3 million
square feet of assets sold in 2019 and a 113,000 square foot building held for
sale as of December 31, 2019; amounts for the year ended December 31, 2018
reflect the operating results related to 1.3 million square feet of assets sold
during 2019, a 113,000 square foot building held for sale as of December 31,
2019 and 899,000 square feet of assets sold in 2018; amounts shown for the year
ended December 31, 2017 reflect the operating results related to 1.3 million
square feet of assets sold in 2019, a 113,000 square foot building held for sale
as of December 31, 2019, 899,000 square feet of assets sold in 2018 and 44,000
square feet of assets sold in 2017.

Depreciation and Amortization Expense: Depreciation and amortization expense
increased 5.0% in 2019 compared to 2018 and increased by 5.3% in 2018 compared
to 2017. The increase in 2019 over 2018 was primarily due to depreciation and
amortization expense from the Non-Same Park facilities combined with
depreciation expense related to the building held for development. The increase
in 2018 over 2017 was primarily due to depreciation and amortization expense of
our multifamily asset as we consolidated its operations effective January 1,
2018 in addition to depreciation and amortization expense from the 2018
acquisition.

General and Administrative Expense: General and administrative expense primarily
represents executive and other compensation, audit and tax fees, legal expenses
and other costs associated with being a public company. General and
administrative expense increased $1.7 million, or 14.0%, in 2019 compared to
2018 and decreased $599,000, or 4.7%, in 2018 compared to 2017. The increase in
2019 over 2018 was primarily due to an increase in stock compensation expense
tied to a modification of the Director Retirement Plan during 2019 as well as an
increase in compensation costs relating to the chief financial officer who
started during the latter half of 2018. The decrease in 2018 over 2017 was
primarily due to a decrease in compensation costs relating to the chief
financial officer position being filled during the latter half of 2018.

Equity loss from investment in and advances to unconsolidated joint venture:
Prior to January 1, 2018, we accounted for our joint venture investment using
the equity method and recorded our pro-rata share of the net loss in the joint
venture. The Company recorded an equity loss in the unconsolidated joint venture
of $805,000, comprised of our proportionate share of $1.8 million in revenue,
$1.5 million in cost of operations, and $1.2 million in depreciation expense for
the year ended December 31, 2017.

Gain on sale of real estate facilities and gain on sale of development rights:
Subsequent to December 31, 2019, we sold a 113,000 square foot building located
in Rockville, Maryland for a gross sales price of $30.0 million. We expect to
record a gain on the sale of real estate in connection with the sale during the
first quarter of 2020.

On October 8, 2019, we sold 1.3 million rentable square feet located in Rockville and Silver Spring, Maryland, for net sale proceeds of $144.6 million, which resulted in a gain of $16.6 million.



On March 5, 2018, we sold Corporate Pointe Business Park, a park consisting of
five multi-tenant office buildings totaling 161,000 square feet located in
Orange County, California, for net sale proceeds of $41.7 million, which
resulted in a gain of $26.8 million. On April 18, 2018, we sold Orange County
Business Center, a park consisting of

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five multi-tenant office buildings totaling 437,000 square feet located in
Orange County, California, for net sale proceeds of $73.3 million, which
resulted in a gain of $50.6 million. On April 30, 2018, we sold Northgate
Business Park, a park consisting of seven multi-tenant flex buildings totaling
194,000 square feet located in Dallas, Texas, for net sale proceeds of $11.8
million, which resulted in a gain of $7.9 million. On October 31, 2018, we sold
Orangewood Office Park, a park consisting of two multi-tenant office buildings
totaling 107,000 square feet located in Orange County, California, for net sale
proceeds of $18.3 million, which resulted in a gain of $8.2 million.

On May 1, 2017, we sold Empire Commerce, a two-building single-story office park
comprising 44,000 square feet, located in Dallas, Texas, for net sale proceeds
of $2.1 million, which resulted in a net gain of $1.2 million.

On March 31, 2017, we sold development rights we held to build medical office
buildings on land adjacent to our Westech Business Park in Silver Spring,
Maryland for $6.5 million. We received net sale proceeds of $6.4 million, of
which $4.9 million was received in 2017 and $1.5 million was received in prior
years. We recorded a net gain of $6.4 million for the year ended December 31,
2017.

Liquidity and Capital Resources




This section should be read in conjunction with our consolidated statements of
cash flows for the years ended December 31, 2019, 2018 and 2017 and the notes to
our consolidated financial statements, which set forth the major components of
our historical liquidity and capital resources. The discussion below sets forth
the factors which we expect will affect our future liquidity and capital
resources or which may vary substantially from historical levels.

Capital Raising Strategy: As a REIT, we generally distribute substantially all
of our "REIT taxable income" to our shareholders, which relative to a taxable C
corporation, limits the amount of cash flow from operations that we can retain
for investment purposes. As a result, in order to grow our asset base, access to
capital is important.

Our financial profile is characterized by strong credit metrics, including low
leverage relative to our total capitalization and operating cash flows. We are a
highly rated REIT, as determined by Moody's and Standard & Poor's. Our corporate
credit rating by Standard and Poor's is A-, while our preferred shares are rated
BBB by Standard and Poor's and Baa2 by Moody's. We believe our credit profile
and ratings will enable us to efficiently access both the public and private
capital markets to raise capital, as necessary.

In order to maintain access to the capital markets, we target a minimum ratio of
FFO (as defined below) to combined fixed charges and preferred distributions of
3.0 to 1.0. Fixed charges include interest expense, capitalized interest and
preferred distributions paid to preferred shareholders. For the year ended
December 31, 2019, the ratio to FFO to combined fixed charges and preferred
distributions paid was 5.3 to 1.0.

We have a $250.0 million revolving Credit Facility that can be expanded to
$400.0 million which expires in January, 2022. We can use the Credit Facility as
necessary as temporary financing until we are able to raise longer term capital.
Historically we have funded our long-term capital requirements with retained
operating cash flow and proceeds from the issuance of common and preferred
securities. We will select among these sources of capital based upon
availability, relative cost, the impact of constraints on our operations (such
as covenants), as well as the desire for leverage.

Short-term Liquidity and Capital Resource Analysis: We believe that our net cash
provided by our operating activities will continue to be sufficient to enable us
to meet our ongoing requirements for debt service, capital expenditures and
distributions to our shareholders for the foreseeable future.

As of December 31, 2019, we had $62.8 million in unrestricted cash. In the last
five years, we have retained approximately $40 to $60 million in operating cash
flow per year. Retained operating cash flow represents cash flow provided by
operating activities, less shareholder and unit holder distributions and capital
expenditures.

Required Debt Repayment: As of December 31, 2019, we have no debt outstanding on
our Credit Facility. We are in compliance with all of the covenants and other
requirements of our Credit Facility.

Capital Expenditures: We define recurring capital expenditures as those
necessary to maintain and operate our real estate at its current economic value.
Nonrecurring capital improvements generally are related to property renovations
and expenditures related to repositioning asset acquisitions. The following
table sets forth our commercial capital expenditures paid for in the years ended
December 31, 2019, 2018 and 2017 on an aggregate and per square foot basis:



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                                          For the Years Ended December 31,
                          2019        2018        2017         2019        2018       2017
Commercial Real Estate           (in thousands)               (per total weighted average
                                                                      square foot)
Recurring capital
expenditures
Capital improvements    $ 11,224    $ 10,738    $ 10,069     $   0.40    $  0.38    $  0.36
(1)
Tenant improvements       17,360      18,688      28,294         0.62       0.67       1.01
Lease commissions          8,267       8,048       7,477         0.29       0.29       0.27
Total commercial
recurring
capital expenditures
(1)                       36,851      37,474      45,840         1.31       1.34       1.64
Nonrecurring capital       2,494       1,176       4,379         0.09       0.05       0.16
improvements
Total commercial
capital
expenditures (1)        $ 39,345    $ 38,650    $ 50,219     $   1.40    $  1.39    $  1.80


____________________________

(1)Excludes $20,000 and $13,000 of recurring capital improvements on our multifamily asset in 2019 and 2018, respectively.



The following table summarizes Same Park, Non-Same Park, multifamily and assets
sold or held for sale recurring capital expenditures paid and the related
percentage of NOI by region for the years ended December 31, 2019, 2018 and 2017
(in thousands):

                                               For the Years Ended December 31,
                                                                                         Recurring Capital
                                                                                           Expenditures
                            Recurring Capital Expenditures                            as a Percentage of NOI
Region             2019        2018     Change       2018        2017     Change     2019      2018      2017
Same Park
Northern        $           $            22.5%    $           $           

(1.1%)


California         4,411       3,602                 3,602       3,642                 5.3%      4.7%      5.2%
Southern                                 42.5%                             

4.7%


California         4,514       3,167                 3,167       3,025                11.0%      8.0%      8.1%
Dallas             4,623       5,027    (8.0%)       5,027       3,813     31.8%      20.7%     25.1%     18.2%
Austin             4,539       2,362     92.2%       2,362       1,726     36.8%      22.9%     12.3%      8.8%
Northern                                (4.1%)                            (19.2%)
Virginia          10,366      10,810                10,810      13,379                21.5%     22.2%     26.3%
South Florida      2,191       3,149    (30.4%)      3,149       2,055     53.2%       6.9%     10.1%      6.8%
Suburban                                (24.4%)                           (68.0%)
Maryland           2,051       2,714                 2,714       8,474                16.1%     22.6%     81.1%
Seattle              927         968    (4.2%)         968         763     26.9%       6.7%      7.5%      6.3%
Total Same                               5.7%                             (13.8%)
Park              33,622      31,799                31,799      36,877                12.3%     12.2%     14.7%
Non-Same Park
Southern                                100.0%
California            54            -                     -           -         -         -         -         -
Northern                                250.2%                            100.0%
Virginia           2,154         615                   615            -                   -         -         -
Total                                   259.0%                            100.0%
Non-Same Park      2,208         615                   615            -                   -         -         -
Assets sold
or held
for sale           1,021       5,060    (79.8%)      5,060       8,963    (43.5%)      7.2%     22.0%     29.8%
Total
commercial
recurring
capital
expenditures      36,851      37,474    (1.7%)      37,474      45,840    (18.3%)         -         -         -
Multifamily           20          13     53.8%          13            -   100.0%          -         -         -
Total           $ 36,871    $ 37,487    (1.6%)    $ 37,487    $ 45,840    (18.2%)     12.2%     12.9%     16.3%


In the last five years, our recurring capital expenditures have averaged generally between $1.10 and $1.64 per square foot, and 11.5% and 16.3% as a percentage of NOI.



Redemption of Preferred Stock: Historically, we have reduced our cost of capital
by refinancing higher coupon preferred securities with lower coupon preferred
securities. On December 30, 2019, we completed the redemption of our 5.75%
Cumulative Preferred Stock, Series U, at par of $230.0 million as well as our
5.70% Cumulative Preferred Stock, Series V, at par of $110.0 million using funds
received from our 4.875% Series Z preferred stock issued during November, 2019,
which effectively lowered the Company's weighted average coupon rate from 5.40%
to 5.10%.

Acquisitions of real estate facilities: Subsequent to December 31, 2019, we
acquired a multi-tenant industrial park comprised of approximately 73,000
rentable square feet in La Mirada, California, for a total purchase price of
$13.5 million, inclusive of capitalized transaction costs. On December 20, 2019,
we acquired a multi-tenant flex park comprised of approximately 79,000 rentable
square feet in Santa Clara, California, for a total purchase price of $16.8
million, inclusive of capitalized transaction costs. On September 5, 2019, we
acquired a multi-tenant industrial park comprised of approximately 543,000
rentable square feet in Santa Fe Springs, California, for a total purchase price
of

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$104.3 million, inclusive of capitalized transaction costs. On April 18, 2019,
we acquired a multi-tenant industrial park comprised of approximately 74,000
rentable square feet in Signal Hill, California, for a total purchase price of
$13.8 million, inclusive of capitalized transaction costs. On June 8, 2018, we
acquired two multi-tenant industrial parks aggregating 1.1 million rentable
square feet in Springfield, Virginia, for a total purchase price of $143.8
million, inclusive of capitalized transaction costs. We continue to seek to
acquire additional real estate facilities; however, there is significant
competition to acquire existing facilities and there can be no assurance as to
the volume of future acquisition activity.

Sale of real estate: Subsequent to December 31, 2019, we sold a 113,000 square
foot building located at Metro Park North in Rockville, Maryland, that was held
for sale as of December 31, 2019, for a gross sales price of $30.0 million.
During the year ended December 31, 2019, we sold 1.3 million rentable square
feet of flex and office business parks located in Rockville and Silver Spring,
Maryland, for net sale proceeds of $144.6 million, which resulted in a gain of
$16.6 million. During the year ended December 31, 2018, we sold 899,000 rentable
square feet of real estate facilities located in Orange County, California, and
Dallas, Texas, for net sale proceeds of $145.1 million, which resulted in a gain
of $93.5 million. On May 1, 2017, we sold a two-building single-story office
park comprising 44,000 square feet, located in Dallas, Texas, for net sale
proceeds of $2.1 million, which resulted in a net gain of $1.2 million.

Development of real estate facilities: As noted above, we have a 123,000 square
foot vacant building located within The Mile that we are seeking to redevelop
into a multifamily property. There can be no assurance as to the timing or
amount of any investment that may occur; however, we expect to incur any
significant development costs on this potential project any earlier than
mid-2020.

Repurchase of Common Stock: No shares of common stock were repurchased under the
board-approved common stock repurchase program during the years ended December
31, 2019, 2018 and 2017. As of December 31, 2019, management has the
authorization to repurchase an additional 1,614,721 shares.

Requirement to Pay Distributions: Our election to be taxed as a REIT, as defined
by the Code, applies to all periods presented herein. As a REIT, we do not incur
federal income tax on our "REIT taxable income" that is distributed each year
(for this purpose, certain distributions paid in a subsequent year may be
considered), and we continue to meet certain organizational and operational
requirements. We believe we have met these requirements in all periods presented
herein, and we expect we will continue to qualify as a REIT in future periods.

We paid REIT qualifying distributions of $169.5 million ($54.3 million to preferred shareholders and $115.2 million to common shareholders) during the year ended December 31, 2019.

We estimate the annual distribution requirements with respect to our preferred shares outstanding at December 31, 2019 to be $48.2 million per year.



Our consistent, long-term dividend policy has been to set dividend distribution
amounts based on our taxable income. Future quarterly distributions with respect
to common shares will continue to be determined based upon our REIT distribution
requirements and, after taking into consideration distributions to the preferred
shareholders, we expect will be funded with cash provided by operating
activities.

Funds from Operations, Core Funds from Operations and Funds Available for Distribution

Funds from Operations ("FFO") is a non-GAAP measure defined by the National Association of Real Estate Investment Trusts ("NAREIT") and is considered a helpful measure of REIT performance by REITs and many REIT analysts. FFO represents GAAP net income before real estate depreciation and amortization expense, gains or losses on sales of operating properties and land and impairment charges on real estate assets.



We also present Core FFO and Funds Available for Distribution ("FAD"). Core FFO,
which the Company defines as FFO excluding the net impact of (i) income
allocated to preferred shareholders to the extent redemption value exceeds the
related carrying value (a "Preferred Redemption Allocation") and (ii) other
nonrecurring income or expense items as appropriate. FAD, a non-GAAP measure,
represents Core FFO adjusted to (i) deduct recurring capital improvements and
capitalized tenant improvements and lease commissions and (ii) remove certain
non-cash income or expenses such as straight-line rent and stock compensation
expense.


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The following table reconciles net income allocable to common shareholders to
FFO, Core FFO and FAD as well as net income per share to FFO per share and Core
FFO per share (amounts in thousands, except per share data):

                                                 For The Years Ended 

December 31,


                                     2019         2018         2017         2016         2015
Net income allocable to common    $ 108,703    $ 172,899    $  90,425    $  62,872    $  68,291
shareholders
Adjustments
Gain on sale of land, real estate
facilities and
development rights                  (16,644)     (93,484)      (7,574)            -     (28,235)
Depreciation and amortization       104,249       99,242       94,270       99,486      105,394
expense
Depreciation from unconsolidated           -            -       1,180             -            -
joint venture
Net income allocated to
noncontrolling interests             29,006       45,199       24,279       16,955       18,495
Net income allocated to
restricted stock
unit holders                            910        1,923          761          569          299
FFO allocated to joint venture         (149)         (13)            -            -            -

partner


FFO allocable to diluted common     226,075      225,766      203,341      179,882      164,244
shares and units
Preferred Redemption Allocation      11,007             -      10,978        7,312        2,487
Other nonrecurring income or               -            -        (414)       1,818             -
expense items
Core FFO allocable to diluted
common shares
and units                         $ 237,082    $ 225,766    $ 213,905    $ 189,012    $ 166,731
Recurring capital expenditures      (36,871)     (37,487)     (45,840)     (30,952)     (39,846)
Cash paid for taxes in lieu of
shares upon vesting
of restricted stock units            (6,350)      (4,981)      (3,865)      (1,940)        (767)
Non-cash items                        1,020       (1,056)         174        4,276        1,909
FAD allocable to diluted common   $ 194,881    $ 182,242    $ 164,374    $ 160,396    $ 128,027
shares and units

Weighted average outstanding
Common shares                        27,418       27,321       27,207       27,089       26,973
Common operating partnership          7,305        7,305        7,305        7,305        7,305
units
Restricted stock units                  124          182          187          290          130
Common share equivalents                108          101          205           90           78
Total diluted common shares and      34,955       34,909       34,904       34,774       34,486
units

Net income per common share -     $    3.95    $    6.31    $    3.30    $    2.31    $    2.52
diluted
Gain on sale of land, real estate
facilities
and development rights                (0.47)       (2.68)       (0.21)            -       (0.82)
Depreciation and amortization
expense, including
amounts from investments in
unconsolidated
joint venture                          2.99         2.84         2.74         2.86         3.06
FFO per share                          6.47         6.47         5.83         5.17         4.76
Preferred Redemption Allocation        0.31             -        0.31         0.21         0.07
Other nonrecurring income or               -            -       (0.01)        0.06             -
expense items
Core FFO per share                $    6.78    $    6.47    $    6.13    $    5.44    $    4.83


We believe FFO, Core FFO and FAD assist investors in analyzing and comparing the
operating and financial performance of a company's real estate between periods.
FFO, Core FFO and FAD are not substitutes for GAAP net income. In addition,
other REITs may compute FFO, Core FFO, and FAD differently, which could inhibit
comparability.

Off-Balance Sheet Arrangements: The Company does not have any off-balance sheet
arrangements that have or are reasonably likely to have a material effect on the
Company's financial condition, results of operations, liquidity, capital
expenditures or capital resources.

Contractual Obligations: As of December 31, 2019, we expect to pay quarterly
distributions of $12.0 million to our preferred shareholders for the foreseeable
future or until such time as there is a change in the amount or composition of
our series of preferred equity outstanding. Dividends on preferred equity are
paid when and if declared by the Company's Board and accumulate if not paid.
Shares of preferred equity are redeemable by the Company in order to preserve
its status as a REIT and are also redeemable five years after issuance, but are
not redeemable at the option of the holder.


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Our significant contractual obligations as of December 31, 2019 and their impact on our cash flow and liquidity are summarized below (in thousands):



                                                            Payments Due by 

Period

Contractual Obligations Total Less than 1 year 1 - 3 years

    4 - 5 years     More than 5 years
Transaction costs (1)        $  9,604     $          9,604     $          -    $          -    $                -
Ground lease obligations (2)    1,965                  196             596             397                   776
Total                        $ 11,569     $          9,800     $       596     $       397     $             776

____________________________

(1)Represents transaction costs, including tenant improvements and lease commissions, which we are committed to under the terms of executed leases.

(2)Represents future contractual payments on land under various operating leases.

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