UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


[X] Quarterly Report Pursuant to Section 13 or 15(d) of the Securities  Exchange
Act of 1934

For the quarterly period ended June 30, 1998

                                       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 1-10709
                       -------

                             PS BUSINESS PARKS, INC.
                             -----------------------
             (Exact name of registrant as specified in its charter)


              California                                       95-4300881
              ----------                                       ----------
    (State or Other Jurisdiction                            I.R.S. Employer
          of Incorporation)                              Identification Number)


               701 Western Avenue, Glendale, California 91201-2397
               ---------------------------------------------------
               (Address of principal executive offices) (Zip Code)


Registrant's telephone number, including area code: (818) 244-8080
                                                    --------------







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 X No
                                       --

Number of shares outstanding of each of the issuer's classes of common stock, as
- --------------------------------------------------------------------------------
of August 11, 1998: Common Stock, $0.01 par value, 23,635,650 shares outstanding
- --------------------------------------------------------------------------------

                             PS BUSINESS PARKS, INC.

                                      INDEX
                                                                            Page
PART I.   FINANCIAL INFORMATION


   Item 1.  Financial Statements

        Condensed consolidated balance sheets at June 30, 1998
            and December 31, 1997                                             2

        Condensed consolidated statements of income for the three
            and six months ended June 30, 1998 and 1997                       3

        Condensed consolidated statement of shareholder's equity for
            the six months ended June 30, 1998                                4

        Condensed consolidated statements of cash flows for the
            six months ended June 30, 1998 and 1997                         5-6

        Notes to condensed consolidated financial statements                7-15


   Item 2.  Management's discussion and analysis of
            financial condition and results of operations                  16-23


PART II.  OTHER INFORMATION

   Item 2.  Changes in Securities and Use of Proceeds                         24


   Item 5.  Other Information                                                 24


   Item 6.  Exhibits & Reports on Form 8-K                                    25







                             PS BUSINESS PARKS, INC.
                      CONDENSED CONSOLIDATED BALANCE SHEETS


                                                                             June 30,                December 31,
                                                                              1998                      1997
                                                                        -----------------       -----------------
                                                                         (unaudited)

                                     ASSETS
                                     ------

                                                                                                      
Cash and cash equivalents.............................                  $    36,355,000         $     3,884,000

Real estate facilities, at cost:
     Land.............................................                      191,929,000              91,754,000
     Buildings and equipment..........................                      453,883,000             226,466,000
                                                                        -----------------       -----------------
                                                                            645,812,000             318,220,000
     Accumulated depreciation.........................                      (10,314,000)             (3,982,000)
                                                                        -----------------       -----------------
                                                                            635,498,000             314,238,000

Intangible assets, net................................                        1,733,000               3,272,000
Other assets..........................................                        2,180,000               2,060,000
                                                                        -----------------       -----------------
              Total assets............................                  $   675,766,000         $   323,454,000
                                                                        =================       =================               



                      LIABILITIES AND SHAREHOLDERS' EQUITY
                      ------------------------------------

Accrued and other liabilities............................               $    11,256,000         $     8,331,000
Mortgage notes payable...................................                    29,890,000                       -
Note payable to affiliate................................                             -               3,500,000
                                                                        -----------------       -----------------
   Total liabilities.....................................                    41,146,000              11,831,000

Minority interest........................................                   151,225,000             168,665,000

Shareholders' equity:
   Preferred Stock, $0.01 par value, 50,000,000  
     shares authorized, none outstanding at June 30, 1998 
     and December 31, 1997...............................                             -                       -
   Common stock, $0.01 par value, 100,000,000 shares
     authorized 23,635,650 shares issued and outstanding
     at June 30, 1998 (7,728,309 shares issued and
     outstanding at December 31, 1997)...................                       236,000                 773,000
   Paid-in capital.......................................                   482,167,000             142,581,000
   Cumulative net income.................................                    14,530,000               3,154,000
   Cumulative distributions..............................                   (13,538,000)             (3,550,000)
                                                                        -----------------       -----------------
         Total shareholders' equity......................                   483,395,000             142,958,000
                                                                        -----------------       -----------------
              Total liabilities and shareholders' equity.               $   675,766,000         $   323,454,000
                                                                        =================       =================               

                             See accompanying notes.
                                        2



                             PS BUSINESS PARKS, INC.
                   CONDENSED CONSOLIDATED STATEMENTS OF INCOME
                                   (Unaudited)



                                                           For the three months                For the six months
                                                              ended June 30,                     ended June 30,
                                                      ---------------------------------   ---------------------------------
                                                           1998             1997              1998             1997
                                                      ---------------  ----------------   -------------   -----------------
Revenues:
                                                                                                          

   Rental income.................................     $   21,471,000    $    6,978,000   $   35,824,000    $   12,783,000
   Facility management fees primarily from
     affiliates..................................            129,000           228,000          331,000           475,000
   Interest and other income.....................            311,000           110,000          544,000           139,000
                                                      ---------------  ----------------   -------------   -----------------
                                                          21,911,000         7,316,000       36,699,000        13,397,000
                                                      ---------------  ----------------   -------------   -----------------

Expenses:
  Cost of operations.............................          6,355,000         2,526,000       10,982,000         5,019,000
  Cost of facility management....................             12,000            49,000           37,000           109,000
  Depreciation and amortization..................          4,256,000         1,195,000        6,556,000         2,015,000
  General and administrative.....................            551,000           172,000          996,000           385,000
   Interest expense..............................            822,000                 -        1,069,000                 -
                                                      ---------------  ----------------   -------------   -----------------
                                                          11,996,000         3,942,000       19,640,000         7,528,000
                                                      ---------------  ----------------   -------------   -----------------

Income before minority interest..................          9,915,000         3,374,000       17,059,000         5,869,000

  Minority interest in income....................         (2,869,000)       (2,579,000)      (5,683,000)       (4,392,000)
                                                      ---------------  ----------------   -------------   -----------------

Net income.......................................     $    7,046,000    $      795,000   $   11,376,000    $    1,477,000
                                                      ---------------  ----------------   -------------   -----------------


Net income per share:
  Basic..........................................     $         0.38    $         0.36   $         0.76    $         0.68
                                                      ===============  ================   =============   =================
  Diluted........................................     $         0.38    $         0.36   $         0.76    $         0.68
                                                      ===============  ================   =============   =================

Weighted average shares outstanding:
  Basic..........................................         18,649,693         2,197,779       14,926,093         2,185,569
                                                      ===============  ================   =============   =================
  Diluted........................................         18,710,576         2,197,779       14,977,776         2,185,569
                                                      ===============  ================   =============   =================


                             See accompanying notes.
                                        3



                             PS BUSINESS PARKS, INC.
            CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY
                     For the six months ended June 30, 1998
                                   (Unaudited)


                                                                                                                         
                                                    Preferred Stock             Common Stock                             
                                                    -----------------     -------------------------                      
                                                   Shares     Amount       Shares         Amount      Paid-in Capital    
                                                   --------   -------     ---------     -----------    --------------    
                                                                                                       
Balances at December 31, 1997.............            -       $   -       7,728,309     $   773,000    $  142,581,000    

   Issuances of common stock:
       Conversion of OP Units.............            -           -       1,785,008         179,000        32,844,000    
       Private offering, net of costs.....            -           -       2,185,189         219,000        47,381,000    
       Exercise of stock options..........            -           -          39,021           3,000           648,000    
       In connection with a business
         combination......................            -           -       2,283,438          23,000        46,787,000    
       Public offerings, net of costs.....            -           -       5,025,800         504,000       118,356,000    
       Private offering, net of costs.....            -           -       4,588,885          46,000       104,955,000    

   Recapitalization in connection with
     business combination.................            -           -               -      (1,511,000)        1,511,000    

   Net income.............................            -           -               -               -                 -    

   Distributions paid.....................            -           -               -               -                 -    

   Adjustment to reflect minority
     interest to underlying ownership     
     interest.............................            -           -               -               -       (12,896,000) 
                                                    -------   -------     ---------     -----------    --------------  

Balances at June 30, 1998.................            -       $   -      23,635,650     $   236,000    $  482,167,000    
                                                    =======   =======    ==========     ===========    ==============    



                             PS BUSINESS PARKS, INC.
            CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY
                     For the six months ended June 30, 1998
                                   (Unaudited)

                                                                                            Total
                                                    Cumulative         Cumulative        Shareholders'
                                                     Net Income        Distributions          Equity
                                                    ------------      --------------     --------------
                                                                                           
Balances at December 31, 1997.............           $  3,154,000      $  (3,550,000)     $  142,958,000

   Issuances of common stock:
       Conversion of OP Units.............                      -                  -          33,023,000
       Private offering, net of costs.....                      -                  -          47,600,000
       Exercise of stock options..........                      -                  -             651,000
       In connection with a business
         combination......................                      -                  -          46,810,000
       Public offerings, net of costs.....                      -                  -         118,860,000
       Private offering, net of costs.....                      -                  -         105,001,000

   Recapitalization in connection with
     business combination.................                      -                  -                   -

   Net income.............................             11,376,000                  -          11,376,000

   Distributions paid.....................                      -         (9,988,000)         (9,988,000)

   Adjustment to reflect minority
     interest to underlying ownership     
     interest.............................                      -                  -         (12,896,000)
                                                    -------------     ---------------    ----------------

Balances at June 30, 1998.................           $ 14,530,000      $ (13,538,000)     $  483,395,000
                                                    =============     ===============    ===============

                             See accompanying notes.
                                        4




                             PS BUSINESS PARKS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (Unaudited)



                                                                          For the six months ended June 30,
                                                                      ------------------------------------- 
                                                                            1998                  1997
                                                                      --------------         -------------- 
Cash flows from operating activities:
                                                                                                  
   Net income.................................................        $   11,376,000         $    1,477,000
   Adjustments  to  reconcile  net  income  to net 
     cash  provided  by  operating activities:
       Depreciation and amortization expense..................             6,556,000              2,015,000
       Minority interest in income............................             5,683,000              4,392,000
       (Increase) decrease in other assets....................              (468,000)               276,000
       Increase (decrease) in accrued and other liabilities...               462,000                (98,000)
                                                                      --------------         -------------- 
            Total adjustments.................................            12,233,000              6,585,000
                                                                      --------------         -------------- 

         Net cash provided by operating activities............            23,609,000              8,062,000
                                                                      --------------         -------------- 

Cash flows from investing activities:
       Acquisition of real estate facilities..................          (241,674,000)                     -
       Acquisition cost of business combination...............              (424,000)                     -
       Capital improvements to real estate facilities.........            (3,175,000)            (1,366,000)
        Payment received from PSI and affiliates for net
          property operating liabilities assumed..............                     -              2,233,000
                                                                      --------------         -------------- 

         Net cash (used in) provided by investing activities..          (245,273,000)               867,000
                                                                      --------------         -------------- 

Cash flows from financing activities:
       Borrowings from an affiliate...........................           179,000,000                      -
       Repayment of borrowings from an affiliate..............          (182,500,000)                     -
       Principal payments on mortgage notes payable...........               (85,000)                     -
       Decrease in receivable from affiliate..................                     -                641,000
       Proceeds from the issuance of common stock, net........           272,112,000                 80,000
       Distributions paid to shareholders.....................            (9,988,000)                     -
       Distributions to minority interests....................            (4,404,000)                     -
                                                                      --------------         -------------- 
         Net cash provided by financing activities............           254,135,000                721,000
                                                                      --------------         -------------- 

Net increase in cash and cash equivalents.....................            32,471,000              9,650,000

Cash and cash equivalents at the beginning of the period......             3,884,000                919,000
                                                                      --------------         -------------- 

Cash and cash equivalents at the end of the period............        $   36,355,000         $   10,569,000
                                                                      ==============         ============== 

                             See accompanying notes.
                                        5



                             PS BUSINESS PARKS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (Unaudited)



                                                                          For the six months ended June 30,
                                                                      ------------------------------------- 
                                                                            1998                  1997
                                                                      --------------         -------------- 
SUPPLEMENTAL SCHEDULE OF NON CASH INVESTING AND FINANCIAL ACTIVITIES:

Acquisitions of real estate  facilities and associated assets and liabilities in
   exchange for preferred stock, minority interests, and mortgage notes payable:
                                                                                                
       Real estate facilities.................................      $     (33,428,000)     $(141,480,000)
       Other assets (deposits on real estate acquisitions)....                800,000                      -
       Accrued and other liabilities..........................              1,245,000                      -
       Minority interest......................................              1,408,000            120,750,000
       Preferred stock........................................                      -                100,000
       Paid in capital .......................................                      -             19,900,000
       Mortgage notes payable.................................             29,975,000                      -
       Intangible assets......................................                      -                730,000

Business combination:
       Real estate facilities.................................            (48,000,000)                     -
       Other assets...........................................               (452,000)                     -
       Accrued and other liabilities..........................              1,218,000                      -
       Common stock...........................................                 23,000                      -
       Paid in capital........................................             46,787,000                      -

Recapitalization in connection with business combination:
       Common stock...........................................             (1,511,000)                     -
       Paid in capital........................................              1,511,000                      -

Conversion of OP Units into shares of common stock:
       Minority interest......................................            (33,023,000)                     -
       Common stock...........................................                179,000                      -
       Paid in capital........................................             32,844,000                      -

Adjustment to reflect minority interest to underlying ownership interest:
       Minority interest......................................             12,896,000                      -
       Paid in capital........................................            (12,896,000)                     -

Exchange of preferred stock for common stock:
       Preferred stock........................................                      -               (175,000)
       Common stock...........................................                      -                175,000

Adjustment to acquisition cost (see Note 2):
       Real estate facilities.................................             (1,315,000)            (7,146,000)
       Accumulated depreciation...............................                      -               (820,000)
       Intangible assets......................................              1,315,000             (4,395,000)
       Paid in capital........................................                      -             12,361,000


                             See accompanying notes.
                                        6



                             PS BUSINESS PARKS, INC.
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                                  June 30, 1998


1.   ORGANIZATION AND DESCRIPTION OF BUSINESS

     ORGANIZATION

     PS Business Parks, Inc. ("PSB"), a California corporation, is the successor
     to American  Office Park  Properties,  Inc.  ("AOPP") which merged with and
     into Public  Storage  Properties XI, Inc. ("PSP 11") on March 17, 1998 (the
     "Merger"). The name of the company was changed to "PS Business Parks, Inc."
     in connection  with the Merger.  See Note 3 for a description of the Merger
     and its terms.

     Based upon the terms of the Merger, the transaction for financial reporting
     and  accounting  purposes has been  accounted for as a reverse  acquisition
     whereby  AOPP is  deemed  to have  acquired  PSP11.  However,  PSP11 is the
     continuing  legal entity and  registrant  for both  Securities and Exchange
     filing  purposes  and  income  tax  reporting   purposes.   All  subsequent
     references to PSB for periods prior to March 17, 1998 shall refer to AOPP.

     PSB was  organized in California  in 1986 as a  wholly-owned  subsidiary of
     Public Storage Management,  Inc. ("PSMI"),  a privately owned company of B.
     Wayne Hughes and his family (collectively "Hughes").

     On November 16, 1995,  Public  Storage,  Inc.  ("PSI")  acquired  PSMI in a
     business combination accounted for using the purchase method. In connection
     with  the  transaction,  PSI  exchanged  its  common  stock  for all of the
     non-voting  participating  preferred  stock  of  PSB,  representing  a  95%
     economic interest, and Hughes purchased all the voting common stock of PSB,
     representing  the remaining 5% economic  interest.  During  December  1996,
     Ronald L. Havner,  Jr. (then an executive  officer of PSI)  acquired all of
     Hughes' common stock in PSB.

     On January 2, 1997, in connection with the reorganization of the commercial
     property  operations  of  PSI  and  affiliated   entities,   PSB  formed  a
     partnership  (the "Operating  Partnership")  whereby PSB became the general
     partner.  Concurrent with the formation of the Operating  Partnership,  PSI
     and affiliated entities contributed  commercial properties to the Operating
     Partnership  in exchange for limited  partnership  units ("OP  Units").  In
     addition,  PSI  contributed  commercial  properties  to PSB in exchange for
     shares of non-voting  participating  preferred  stock,  and such properties
     were  immediately  contributed  by PSB along with its  commercial  property
     management operations and cash to the Operating Partnership for OP Units.

     Subject to certain limitations as described in Note 8, holders of OP Units,
     other than PSB,  have the right to require PSB to redeem  such  holders' OP
     Units at any time or from  time to time  beginning  on the date that is one
     year  after the date on which  such  limited  partner  is  admitted  to the
     Operating Partnership.

     On March 31, 1997,  PSI exchanged its  non-voting  participating  preferred
     stock into common shares of PSB. As a result of the  exchange,  PSI owned a
     majority of the voting common stock and  effectively  gained control of PSB
     at that time.

     DESCRIPTION OF BUSINESS

     PSB  is a  fully-integrated,  self-managed  real  estate  investment  trust
     ("REIT") that acquires,  owns and operates commercial properties containing
     commercial and industrial  rental space. From 1986 through 1996, PSB's sole
     business  activity  consisted of the  management of  commercial  properties
     owned primarily by PSI and affiliated entities.

     Commencing in 1997, PSB began to own and operate commercial  properties for
     its own  behalf.  At June  30,  1998,  PSB  and the  Operating  Partnership
     collectively  owned and operated 97  commercial  properties  (approximately
     10.2 million net rentable  square feet) located in 11 states.  In addition,
     the  Operating  Partnership  managed,  on  behalf  of  PSI  and  affiliated
     entities, 35 commercial properties  (approximately 1.0 million net rentable
     square feet).
                                       7

2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     BASIS OF PRESENTATION

     The accompanying unaudited condensed consolidated financial statements have
     been prepared in accordance with generally accepted  accounting  principles
     for interim  financial  information and with  instructions to Form 10-Q and
     Article 10 of Regulation S-X.  Accordingly,  they do not include all of the
     information  and  footnotes  required  by  generally  accepted   accounting
     principles  for  complete  financial  statements.  The  preparation  of the
     condensed  consolidated  financial  statements in conformity with generally
     accepted  accounting  principles  requires management to make estimates and
     assumptions that affect the amounts reported in the condensed  consolidated
     financial  statements and accompanying  notes.  Actual results could differ
     from estimates.  In the opinion of management,  all adjustments (consisting
     of normal recurring  accruals)  necessary for a fair presentation have been
     included.  Operating  results  for the three and six months  ended June 30,
     1998 are not necessarily indicative of the results that may be expected for
     the year ended  December 31, 1998.  For further  information,  refer to the
     consolidated  financial  statements and footnotes of PSB for the year ended
     December 31, 1997 filed on Form 8-K/A dated April 17, 1998  (amending  Form
     8-K dated March 17, 1998).

     The condensed consolidated financial statements include the accounts of PSB
     and the Operating Partnership. At June 30, 1998, PSB owned approximately 73
     % of the OP Units of the  Operating  Partnership.  PSB, as the sole general
     partner of the  Operating  Partnership,  has full,  exclusive  and complete
     responsibility  and  discretion in managing and  controlling  the Operating
     Partnership.

     On  March  31,  1997,  PSB  and  PSI  agreed  to  exchange  the  non-voting
     participating  preferred  stock held by PSI for 2,098,288  shares of voting
     common stock of PSB. After the exchange,  PSI owned in excess of 95% of the
     outstanding  common  voting  common stock of PSB and PSB  accounted for the
     transaction  as if PSI acquired  PSB in a  transaction  accounted  for as a
     purchase. Accordingly, PSB reflected PSI's cost of its investment in PSB in
     accordance with Accounting  Principles Board Opinion No. 16. As a result of
     PSI  attaining  control  of PSB,  the  carrying  value of PSB's  assets and
     liabilities  were  adjusted  to  reflect  PSI's  acquisition  cost  of  its
     controlling  interest in PSB of approximately $35 million. As a result, the
     carrying value of real estate facilities was increased  approximately  $8.0
     million, intangible assets increased approximately $4.4 million and paid in
     capital increased approximately $12.4 million.

     STOCK SPLIT AND STOCK DIVIDEND:

     On January  1, 1997,  the number of  outstanding  shares of  preferred  and
     common  stock  increased  as a result of a 10 for 1 stock  split.  In March
     1997, the preferred stock of PSB was converted into common stock on a share
     for share basis.  In December 1997, PSB declared a common stock dividend at
     a rate of .01583 shares for each common share outstanding.  Similarly,  the
     Operating  Partnership's  outstanding OP Units were adjusted to reflect the
     stock dividend.  No adjustment was made to the outstanding OP Units for the
     January 1997 stock  split,  as the issuance of OP Units during 1997 already
     reflected the stock split.

     On March 17, 1998, in connection with the merger,  PSB's common shares were
     converted  into  1.18  shares  of  PSP11.  Similarly,  holders  of OP Units
     received an additional  0.18 OP Units for each  outstanding OP Unit held at
     the time of the merger.

     References in the condensed  consolidated  financial  statements  and notes
     thereto with  respect to shares of preferred  stock,  common  stock,  stock
     options,  and OP Units and the related per share/per unit amounts have been
     retroactively  adjusted  to  reflect  the  January  1997 stock  split,  the
     December  1997 stock  dividend and the March 1998  conversion in connection
     with the Merger.

                                       8


     CASH AND CASH EQUIVALENTS:

     PSB considers all highly liquid  investments  with an original  maturity of
     three months or less at the date of purchase to be cash equivalents.

     REAL ESTATE FACILITIES:

     Costs  related  to  the   improvements   of  properties  are   capitalized.
     Expenditures  for  repair and  maintenance  are  charged  to  expense  when
     incurred.  After March 31, 1997,  acquisition  of  facilities  from PSI and
     entities  controlled by PSI have been recorded at the predecessor's  basis.
     Buildings and equipment  are  depreciated  on the straight line method over
     the  estimated   useful   lives,   which  is  generally  25  and  5  years,
     respectively.

     INTANGIBLE ASSETS:

     Intangible assets consist of property  management  contracts for properties
     managed,  but not owned, by PSB. The intangible  assets are being amortized
     over seven years. As properties  managed are subsequently  acquired by PSB,
     the  unamortized  basis of  intangible  assets  related to such property is
     included in the cost of acquisition  of such  property.  During April 1997,
     PSB  acquired  four  properties  from PSI and  included in the cost of real
     estate  facilities  for such  properties  is  $730,000  of cost  previously
     classified  as  intangible  assets.  In  connection  with the  Merger,  PSB
     acquired  13  properties  and  included in the cost of such  properties  is
     $1,315,000 (which was net of accumulated amortization of $194,000) of costs
     previously  classified as intangible assets.  Intangible assets at June 30,
     1998 are net of accumulated amortization of $422,000.

     EVALUATION OF ASSET IMPAIRMENT:

     In 1995, the Financial Accounting Standards Board ("FASB") issued Statement
     of Financial  Accounting  Standards  ("SFAS") No. 121,  "Accounting for the
     Impairment of Long-Lived  Assets and for  Long-Lived  Assets to be Disposed
     Of" which requires  impairment losses to be recorded on long-lived  assets.
     PSB evaluates its assets used in operations,  by identifying  indicators of
     impairment  and by comparing the sum of the estimated  undiscounted  future
     cash flows for each asset to the asset's carrying  amount.  When indicators
     of impairment are present and the sum of the undiscounted future cash flows
     is less  than the  carrying  value of such  asset,  an  impairment  loss is
     recorded equal to the difference between the asset's current carrying value
     and its value based on discounting  its estimated  future cash flows.  SFAS
     No. 121 also  addresses  the  accounting  for  long-lived  assets  that are
     expected to be disposed  of. Such assets are to be reported at the lower of
     their  carrying  amount or fair value,  less cost to sell. PSB adopted SFAS
     No.  121  in  1996  and  the  adoption  had  no  effect.  PSB's  subsequent
     evaluations  have  indicated no  impairment  in the carrying  amount of its
     assets.

     NOTE PAYABLE TO AND BORROWINGS FROM AFFILIATE:

     Note  payable to  affiliate  at December  31, 1997 of  $3,500,000  reflects
     amounts borrowed from PSI on that date. The note bore interest at 6.97% and
     was repaid on January 31, 1998. On May 1, 1998,  PSB borrowed  $179,000,000
     from  PSI to  fund a  portion  of  the  acquisition  cost  of  real  estate
     facilities.  On May 6, 1998,  $105.0  million was repaid and the  remaining
     balance was repaid on May 27, 1998. The  borrowings  bore interest at 6.91%
     (per annum).

     REVENUE AND EXPENSE RECOGNITION:

     All leases are classified as operating leases.  Rental income is recognized
     on a straight-line basis over the terms of the leases.  Reimbursements from
     tenants for real estate taxes and other recoverable  operating expenses are
     recognized as revenue in the period the applicable costs are incurred.


                                       9


     Costs incurred in connection with leasing  (primarily  tenant  improvements
     and leasing  commissions)  are  capitalized  and  amortized  over the lease
     period.

     Property management fees are recognized in the period earned.

     NET INCOME PER COMMON SHARE:

     In 1997,  the FASB issued SFAS No. 128,  Earnings  per Share.  SFAS No. 128
     replaced the  calculation  of "primary"  and "fully  diluted"  earnings per
     share with "basic" and "diluted" earnings per share.

     "Diluted"  shares  include  the  dilutive  effect of stock  options,  while
     "basic" shares exclude such effect.  In addition,  weighted  average shares
     utilized in computing  basic and diluted  earnings  per share  includes the
     weighted average participating  preferred shares,  because such shares were
     allocated income (subject to certain preferences upon liquidation described
     below) on an equal per share basis with the common shares.

     INCOME TAXES:

     During  1997,  PSB  qualified  and intends to continue to qualify as a real
     estate investment trust ("REIT"), as defined in Section 856 of the Internal
     Revenue  Code.  As a REIT,  PSB is not taxed on that portion of its taxable
     income which is  distributed  to its  shareholders  provided that PSB meets
     certain  tests.  PSB believes it met these tests during 1997.  In addition,
     PSP11 (the legal entity for income tax reporting purposes subsequent to the
     March 17, 1998 merger)  believes it has also met the REIT tests during 1997
     and for the six months ended June 30, 1998.  Accordingly,  no provision for
     income taxes has been made in the accompanying financial statements.

     GENERAL AND ADMINISTRATIVE EXPENSE:

     General and administrative expense includes legal and office expense, state
     income taxes,  executive salaries,  cost of acquisition personnel and other
     such administrative  items. Such amounts include amounts incurred by PSI on
     behalf of PSB, which were  subsequently  charged to PSB in accordance  with
     the   allocation   methodology   pursuant  to  the  cost   allocation   and
     administrative services agreement between PSB and PSI.

     RECLASSIFICATIONS:

     Certain  reclassifications  have been made to the financial  statements for
     1997 in order to conform to the 1998 presentation.

3.   BUSINESS COMBINATION

     On March 17, 1998,  AOPP merged into PSP11,  a publicly  traded real estate
     investment  trust and an affiliate of PSI. Upon  consummation of the Merger
     of AOPP into PSP11,  the  surviving  corporation  was renamed "PS  Business
     Parks, Inc." (PSB as defined in Note 1). In connection with the Merger:

     *    Each  outstanding  share of PSP11  common  stock,  which did not elect
          cash,  continued  to be owned by current  holders.  A total of 106,155
          PSP11 common shares elected to receive cash of $20.50 per share.

     *    Each  share of PSP11  common  stock  Series B and each  share of PSP11
          common  stock  Series C  converted  into .8641  share of PSP11  common
          stock.

     *    Each share of AOPP common  stock  converted  into 1.18 shares of PSP11
          common stock.

                                       10


     *    Concurrent with the Merger, PSP11 exchanged 11 mini-warehouses and two
          properties  that combine  mini-warehouse  and commercial  space for 11
          commercial  properties  owned by PSI.  The fair value of each group of
          real estate facilities was approximately $48 million.

     The  Merger  has been  accounted  for as a reverse  merger  whereby  PSB is
     treated as the accounting acquirer using the purchase method. This has been
     determined  based  upon the  following:  (i) the  former  shareholders  and
     unitholders of PSB owned in excess of 80% of the merged  companies and (ii)
     the  business  focus  post-Merger  will  continue to be that of PSB's which
     includes  the   acquisition,   ownership   and   management  of  commercial
     properties.  Prior to the Merger, PSP11's business focus has been primarily
     on the  ownership  and  operation  of  its  self-storage  facilities  which
     represented approximately 81% of its portfolio.

     Allocations of the total  acquisition  cost to the net assets acquired were
     made based upon the fair value of PSP11's assets and  liabilities as of the
     date of the Merger.  The acquisition cost and the fair market values of the
     assets  acquired and  liabilities  assumed in the Merger are  summarized as
     follows:

                 ACQUISITION COST:
                 -----------------
                 Issuance of common stock.........          $46,810,000
                 Cash.............................              424,000
                                                            ------------
                     Total acquisition cost.......          $47,234,000

                 ALLOCATION OF ACQUISITION COST:
                 -------------------------------
                 Real estate facilities...........          $48,000,000
                 Other assets.....................              452,000
                 Accrued and other liabilities....          (1,218,000)
                                                            ------------
                     Total allocation.............          $47,234,000
                                                            ============





                                       11




     The historical operating results of PSP11 prior to the Merger have not been
     included in PSB's historical  operating results. Pro forma data for the six
     months ended June 30, 1998 and 1997 as though the Merger had been effective
     at the beginning of fiscal 1997 are as follows:



                                                                               Six months ended June 30,
                                                                               1998                1997
                                                                           -------------      ------------
                                                                                               
       Revenues......................................................        $ 38,577           $ 17,494
       Net income....................................................          12,161              3,152
       Net income per share - basic..................................        $   0.77           $   0.71
       Net income per share - diluted................................        $   0.77           $   0.71

  
     The pro forma data does not purport to be indicative  either of the results
     of  operations  that would have  occurred  had the Merger  occurred  at the
     beginning of fiscal 1997 or of the future results of PSB.

4.   REAL ESTATE FACILITIES

     The activity in real estate  facilities for the three months ended June 30,
     1998 is as follows:



                                                                                         Accumulated
                                                         Land           Buildings       Depreciation           Total
                                                    ------------     -------------   -----------------   ---------------
                                                                                                         
            Balances at December 31, 1997........   $ 91,754,000     $ 226,466,000    $    (3,982,000)   $   314,238,000
            Property acquisitions................     85,775,000       189,327,000                  -        275,102,000
            Acquired in connection with the
              Merger.............................     14,400,000        33,600,000                  -         48,000,000
            Adjustment from intangible assets....              -         1,315,000                  -          1,315,000
            Capital improvements.................              -         3,175,000                  -          3,175,000
            Depreciation expense.................              -                 -         (6,332,000)        (6,332,000)
                                                    ------------     -------------   -----------------   ---------------
            Balances at June 30, 1998............   $191,929,000     $ 453,883,000    $   (10,314,000)   $   635,498,000
                                                    ============     =============   =================   ===============

     
     On  January  13,  1998,  PSB  purchased  a  commercial   property  from  an
     unaffiliated  third  party for  approximately  $22,518,000,  consisting  of
     $22,325,000  cash (of which $500,000 was paid before December 31, 1997) and
     the issuance of 8,428 OP Units having a value of approximately $193,000.

     In March 1998, PSB purchased two commercial  properties  from  unaffiliated
     third parties for an aggregate cost of approximately $32,916,000,  composed
     of $17,377,000  cash (of which $300,000 was paid before December 31, 1997),
     the issuance of 44,250 OP units having a value of approximately $1,013,000,
     and the assumption of mortgage notes payable of $14,526,000.

     On  May  4,  1998,   the   Company   acquired  29   commercial   properties
     (approximately  2.3 million net rentable square feet) for an aggregate cost
     of approximately $190 million in cash. 

     In June 1998, the Company acquired three properties  (approximately 343,000
     net rentable  square feet) for an aggregate cost of $29,101,000  consisting
     of $13,449,000 in cash,  $15,449,000 in debt  assumption and $203,000 in OP
     Units.

                                       12


5.   LEASING ACTIVITY

     Future minimum rental revenues under  non-cancelable  leases as of June 30,
     1998 with tenants for the above real estate facilities are as follows:

          1998 (July - December)                     $   40,940,000
          1999                                           68,379,000
          2000                                           48,142,000
          2001                                           31,847,000
          2002                                           21,603,000
          Thereafter                                     29,283,000
                                                     ---------------
                                                     $  240,194,000
                                                     ===============

6.   REVOLVING LINE OF CREDIT

     At June 30,  1998,  the  Company  had no  borrowings  on its line of credit
     agreement  with PSI. On August 6, 1998,  PSB entered into an unsecured line
     of credit (the "Credit  Agreement")  with a commercial bank and the line of
     credit provided by PSI was canceled.  The Credit  Agreement has a borrowing
     limit of $100.0  million  and an  expiration  date of August 5,  2000.  The
     expiration  date may be  extended  by one year on each  anniversary  of the
     Credit Agreement. Interest on outstanding borrowings is payable monthly. At
     the option of the Company, the rate of interest charged is equal to (i) the
     prime rate or (ii) a rate  ranging from the London  Interbank  Offered Rate
     ("LIBOR") plus 0.55% to LIBOR plus .95%  depending on the Company's  credit
     ratings and  coverage  rations,  as defined.  In  addition,  the Company is
     required to pay a quarterly commitment fee of 0.25% (per annum).


7.   MORTGAGE NOTES PAYABLE



     Mortgage notes at June 30, 1998 consist of the following:
                                                                                                   
      7-1/8 % mortgage note, secured by one commercial property,
           principal and interest payable monthly, due May 2006                $8,984,000

      8-1/8 % mortgage note, secured by one commercial property,
           principal and interest payable monthly, due July 2005                5,461,000

      8-1/2 % mortgage note, secured by one commercial property,
           principal and interest payable monthly, due July 2007                1,960,000

      8 % mortgage note, secured by one commercial property, principal
           and interest payable monthly, due April 2003                         1,714,000

      7-5/8 % mortgage note, secured by one commercial property,
           principal and interest payable monthly, due May 2004                11,771,000
                                                                              ------------
                                                                              $29,890,000
                                                                              ============

                                       13


     At June 30,  1998,  approximate  principal  maturities  of  mortgage  notes
     payable are as follows:

                   1998 (July - December)                     $      521,000
                   1999                                            1,103,000
                   2000                                            1,190,000
                   2001                                            1,285,000
                   2002                                            1,386,000
                   Thereafter                                     24,405,000
                                                              ---------------
                                                              $   29,890,000
                                                              ===============

8.   MINORITY INTERESTS

     In  consolidation,  PSB  classifies  ownership  interests in the  Operating
     Partnership,  other than its own, as minority  interest on the consolidated
     financial statements.  Minority interest in income consists of the minority
     interests' share of the consolidated operating results.

     Subject to certain limitations  described below, each limited partner other
     than PSB has the right to require the redemption of such limited  partner's
     partnership  interests  at any time or from time to time  beginning  on the
     date  that is one year  after the date on which  such  limited  partner  is
     admitted to the Operating Partnership.

     Unless PSB, as general partner,  elects to assume and perform the Operating
     Partnership's  obligation with respect to a redemption  right, as described
     below, a limited  partner that exercises its redemption  right will receive
     cash from the Operating  Partnership in an amount equal to the market value
     (as defined in the  Operating  Partnership  Agreement)  of the  partnership
     interests  redeemed.  In lieu of the  Operating  Partnership  redeeming the
     partner  for  cash,  PSB,  as  general  partner,  has the right to elect to
     acquire the partnership interest directly from a limited partner exercising
     its redemption right, in exchange for cash in the amount specified above or
     by  issuance  of one share of PSB  common  stock  for each unit of  limited
     partnership interest redeemed.

     A limited  partner  cannot  exercise  its  redemption  right if delivery of
     shares  of PSB  common  stock  would be  prohibited  under  the  applicable
     articles of incorporation,  if the general partner believes that there is a
     risk  that  delivery  of shares of common  stock  would  cause the  general
     partner to no longer  qualify as a REIT,  would  cause a  violation  of the
     applicable securities laws, or would result in the Operating Partnership no
     longer being treated as a partnership for federal income tax purposes.

     At June 30, 1998, there were 7,394,411 OP Units owned by minority interests
     (7,305,355 were owned by PSI and affiliated  entities and 89,056 were owned
     by unaffiliated  third parties).  On a fully converted basis,  assuming all
     7,394,411  minority  interest OP Units were converted into shares of common
     stock  of  PSB  at  June  30,  1998,  the  minority   interests  would  own
     approximately 23.8% of the pro forma common shares outstanding.  At the end
     of each reporting  period,  PSB determines the amount of equity (book value
     of net assets) which is allocable to the minority  interest based upon this
     pro forma  ownership  interest  and an  adjustment  is made to the minority
     interest,  with a corresponding  adjustment to Paid in Capital,  to reflect
     the minority interests' equity.

9.   PROPERTY MANAGEMENT CONTRACTS

     The Operating Partnership manages industrial,  office and retail facilities
     for PSI and entities  affiliated  with PSI, and third party  owners.  These
     facilities,  all located in the United  States,  operate  under the "Public
     Storage" or "PS Business Parks" name.

     The property management  contracts provide for compensation of five percent
     of the gross revenue of the facilities  managed.  Under the  supervision of
     the property owners, the Operating Partnership coordinates rental policies,
     rent  collections,  marketing  activities,  the purchase of  equipment  and


                                       14


     supplies,  maintenance  activities,  and the  selection  and  engagement of
     vendors, suppliers and independent contractors.  In addition, the Operating
     Partnership  assists  and  advises  the  property  owners  in  establishing
     policies for the hire,  discharge  and  supervision  of  employees  for the
     operation  of  these  facilities,  including  property  managers,  leasing,
     billing and maintenance personnel.

     The property management contract with PSI is for a seven year term with the
     term being  extended one year each  anniversary.  The  property  management
     contracts with  affiliates of PSI are cancelable by either party upon sixty
     days notice.

10.  SHAREHOLDERS' EQUITY

     In addition  to common and  preferred  stock,  PSB is  authorized  to issue
     100,000,000  shares of Equity Stock. The Articles of Incorporation  provide
     that the Equity Stock may be issued from time to time in one or more series
     and gives the Board of  Directors  broad  authority to fix the dividend and
     distribution rights,  conversion and voting rights,  redemption  provisions
     and liquidation rights of each series of Equity Stock.

     On January 7, 1998, a holder of OP Units exercised its option and converted
     its  1,785,008 OP Units into an equal number of shares of PSB common stock.
     The  conversion  resulted  in an  increase  in  shareholders'  equity and a
     corresponding  decrease in minority  interest of approximately  $33,023,000
     representing the book value of the OP Units at the time of conversion.

     In  January  1998,   PSB  entered  into  an  agreement   with  a  group  of
     institutional  investors  under  which PSB agreed to issue up to  6,774,074
     shares of PSB  common  stock at $22.88 per share in cash (an  aggregate  of
     $155,000,000)  in  separate  tranches.  The  first  tranche,   representing
     2,185,189 shares or $50.0 million,  was issued in January 1998. The Company
     incurred $2,400,000 in costs associated with the issuance. The remainder of
     the common shares  (4,588,885 common shares) were issued on May 6, 1998 and
     the net proceeds  ($105.0  million) were used to fund a portion of the cost
     to acquire commercial properties in May 1998.

     On March 17, 1998, in connection  with the Merger,  PSB  recapitalized  its
     equity by  changing  the par value of its common  stock from $0.10 to $0.01
     per share.  This resulted in a decrease in common stock and a corresponding
     increase in Paid-in Capital totaling $1,511,000.

     In May 1998, the Company completed two common stock offerings,  raising net
     proceeds in  aggregate  totaling  $118.9  million  through the  issuance of
     5,025,800  common  shares.  A  portion  of the net  proceeds  were  used in
     connection with a $190 million property portfolio acquisition.

     On March 31, 1998 and June 30, 1998,  PSB paid quarterly  distributions  to
     its common shareholders'  totaling $4,079,000 ($0.347 per common share) and
     $5,909,000 ($0.25 per common share), respectively.


                                       15


MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
RESULTS OF OPERATIONS
- -------------------------------------------------------------------------------

GENERAL: Private Securities Litigation Reform Act Safe Harbor Statement. In
addition  to  historical  information,   management's  discussion  and  analysis
includes  certain  forward-looking  statements  regarding  events and  financial
trends which may affect the  Company's  future  operating  results and financial
position.  Such  forward-looking  statements  are often  identified by the words
"estimate,"   "project,"  "intend,"  "plan,"  "expect,"  "believe,"  or  similar
expressions.  Such statements are subject to risks and uncertainties  that could
cause the Company's actual results and financial  position to differ  materially
from that indicated by the forward-looking  statement. Such factors include, but
are not limited to a change in economic conditions in the various markets served
by the Company's operations which would adversely affect the level of demand for
rental of commercial  space and the cost  structure of the Company.  Readers are
cautioned not to place undue reliance on these forward-looking statements, which
speak only as of the date  hereof.  The  Company  undertakes  no  obligation  to
publicly release the result of any revisions to these forward-looking statements
to reflect  events or  circumstances  after the date  hereof or to  reflect  the
occurrence of unanticipated events.

HISTORICAL  OVERVIEW:  PS Business  Parks,  Inc.  ("PSB" or the  "Company") is a
self-managed,  self-advised real estate investment trust that acquires, owns and
operates  commercial  properties.  The Company is the sole general partner of PS
Business  Parks,  L.P. (the "Operating  Partnership")  through which the Company
conducts most of its activities  and owned,  as of June 30, 1998, an approximate
73%  partnership  interest.  Substantially  all  of  the  remaining  partnership
interest is owned by Public Storage, Inc. ("PSI") and its affiliates.

The  commercial  properties  owned by the Company and the Operating  Partnership
generally include both business park  (industrial/flex  space) and office space.
The industrial space is used for, among other things,  light  manufacturing  and
assembly,  storage and  warehousing,  distribution  and research and development
activities. Most of the office space is occupied by tenants who are also renting
industrial  space.  The commercial  properties  typically  consist of one to ten
one-story  buildings located on three to 20 acres and contain from approximately
10,000 to 500,000 square feet of rentable space (more than 50,000 square feet in
the case of the free-standing  properties). A property is typically divided into
units ranging in size from 500 to 10,000  square feet.  Leases  generally  range
from one to five years and some  tenants  have  options  to extend the  original
terms of their leases.

During 1997 and the first six months of fiscal  1998,  the  Company  completed a
number of  business  transactions  which  have had a  significant  impact to the
Company's  comparative operating results for the three and six months ended June
30, 1998 and 1997:


     *    Merger:  PS Business Parks,  Inc. ("PSB") is the successor to American
          Office  Park  Properties,  Inc.  ("AOPP")  which  merged with and into
          Public  Storage  Properties XI, Inc. ("PSP 11") on March 17, 1998 (the
          "Merger").  The  name of the  surviving  company  was  changed  to "PS
          Business Parks, Inc." in connection with the merger.

          Based upon the terms of the  Merger,  the  transaction  for  financial
          accounting  purposes has been  accounted for as a reverse  acquisition
          whereby AOPP is deemed to have acquired PSP11.  However,  PSP11 is the
          continuing  legal  entity  and  registrant  for  both  Securities  and
          Exchange Commission filing purposes and income tax reporting purposes.
          All subsequent  references to "PSB" or the "Company" for periods prior
          to March 17, 1998 shall refer to AOPP.

     In connection with the Merger,  PSP11 exchanged eleven  mini-warehouses and
     two properties that combine  mini-warehouse and commercial space for eleven
     commercial  properties  owned  by PSI.  The fair  value of the real  estate
     facilities owned by PSP11 and the commercial  facilities  received by PSP11
     was  approximately  $48  million.  As a  result  of this  transaction,  PSB
     acquired 13 properties with a total of  approximately  815,000 net rentable
     square feet.


     *    Property  acquisitions:  Prior to January 2, 1997, the Company and its
          Operating  Partnership  did not  have  an  ownership  interest  in any
          properties.

                                       16


          On January 2, 1997,  the  Company  acquired 35  commercial  properties
          (approximately  3.0  million  net  rentable  square  feet) from Public
          Storage,   Inc.  ("PSI")  and  affiliated  entities  in  exchange  for
          1,198,680  shares  of  non-voting  participating  preferred  stock and
          5,824,383 units of the Operating Partnership ("OP Units").

          On April 1, 1997, the Company acquired four commercial properties from
          PSI  (approximately  370,000  million  net  rentable  square  feet) in
          exchange for 1,480,968 OP Units.

          On July 31,  1997,  the Company  acquired  two  commercial  properties
          (approximately  435,000 net rentable square feet) from an unaffiliated
          third party for cash totaling $33,310,000.

          On September  24,  1997,  the Company  acquired a commercial  property
          (approximately  150,000 net rentable square feet) from an unaffiliated
          third party for an aggregate cost of $10,283,000 consisting of cash of
          $9,959,000 and the issuance of 14,384 OP Units.

          On December 10,  1997,  the Company  purchased a  commercial  property
          (approximately  51,000 net rentable  square feet) from an unaffiliated
          third party for  $3,854,000,  consisting of cash of $3,554,000 and the
          issuance of 13,111 OP Units.

          On December 24, 1997, the Company  acquired six commercial  properties
          (approximately  2.0  million  net  rentable  square  feet)  valued  at
          $118,655,000  and  $1,000,000  in cash  from a  subsidiary  of a state
          pension plan through a merger and contribution. In connection with the
          transaction, the Company issued to the subsidiary of the state pension
          plan  3,504,758  common  shares of the Company and 1,785,007 OP Units.
          The Company incurred  approximately  $3,300,000 in costs in connection
          with the transaction.

          On January  13,  1998,  the  Company  acquired a  commercial  property
          (approximately  308,000 net  rentable  square  feet) for  $22,518,000,
          consisting of cash of  $22,325,000  and the issuance of 8,428 OP Units
          having a value of approximately $193,000.

          In  March  1998,  the  Company  acquired  two  commercial   properties
          (approximately 403,000 net rentable square feet) for an aggregate cost
          of  $32,916,000,  consisting  of cash of  $17,377,000,  assumption  of
          mortgage  notes payable of  $14,526,000  and the issuance of 44,250 OP
          Units having a value of approximately $1,013,000.

          On  May  4,  1998,  the  Company  acquired  29  commercial  properties
          (approximately  2.3 million net rentable square feet) for an aggregate
          cost of  approximately  $190 million in cash. 

          In June 1998,  the Company  acquired three  properties  (approximately
          343,000  net  rentable  square  feet) for an  aggregate  cost of $29.1
          million,  consisting  of  $13,449,000  in  cash,  $15,448,000  in debt
          assumption and $203,000 in OP Units.

     *    Common stock issuances for cash: In connection with the Company's July
          1997 acquisition of properties, the Company issued 2,025,769 shares of
          common stock primarily to PSI for cash totaling $33,800,000.

          In January 1998, the Company entered into an agreement with a group of
          institutional  investors under which the Company agreed to issue up to
          6,774,074  shares of  common  stock at  $22.88  per share in  separate
          tranches.  The first tranche,  representing  2,185,189 shares or $50.0
          million was issued in January  1998.  The remainder of the shares were
          issued on May 6, 1998 for $105.0 million.

          In May 1998, the Company completed two common stock offerings, raising
          net proceeds  totaling  $118.9  million.  In the first  offering,  the
          Company  sold  4,000,000  shares  of common  stock to an  underwriter,
          resulting in approximately $95.2 million of net proceeds. These shares
          were  resold to  various  institutional  investors.  A portion  of the
  
                                       17


          proceeds  were  used  to  retire  debt  incurred  with a $190  million
          property portfolio  acquisition.  In the second common stock offering,
          the Company sold 1,025,800 common shares to an underwriter,  resulting
          in net proceeds of $23.7 million.

     *    Exchange of non-voting  preferred  stock for voting  common stock:  On
          March 31, 1997, PSI exchanged its  non-voting  common stock for voting
          common  stock  of the  Company  in a  transaction  accounted  for as a
          purchase of PSB by PSI. As a result of PSI  attaining a 95%  ownership
          interest in PSB voting common stock,  PSB reflected  PSI's cost of its
          investment  in PSB in  accordance  with  Accounting  Principles  Board
          Opinion  No.  16. As a result of PSI  attaining  control  of PSB,  the
          carrying  value of PSB's  assets  and  liabilities  were  adjusted  to
          reflect PSI's  acquisition cost of its controlling  interest in PSB of
          approximately  $35 million.  As a result,  the carrying  value of real
          estate  facilities  was  increased at March 31, 1997 by  approximately
          $8.0  million,  intangible  assets  increased  by  approximately  $4.4
          million and paid in capital increased by approximately $12.4 million.

RESULTS OF OPERATIONS

Three and six months  ended June 30,  1998  compared to the three and six months
ended June 30,  1997:  Net income for the three  months  ended June 30, 1998 was
$7,046,000  compared to $795,000 for the same period in 1997. Net income for the
six months ended June 30, 1998 was  $11,376,000  compared to $1,477,000  for the
same period in 1997.  Net income per common  share on a diluted  basis was $0.38
(based on weighted  average  diluted shares  outstanding of 18,710,576)  for the
three  months  ended June 30, 1998  compared to net income per common share on a
diluted basis of $0.36 (based on diluted weighted average shares  outstanding of
2,197,779) for the three months ended June 30, 1997, representing an increase of
5.6%.  Net  income  per  common  share on a diluted  basis  was $0.76  (based on
weighted  average  diluted shares  outstanding of 14,977,776) for the six months
ended June 30, 1998  compared to net income per common share on a diluted  basis
of $0.68 (based on diluted weighted average shares outstanding of 2,185,569) for
the six months  ended June 30,  1997,  representing  an increase  of 11.8%.  The
increases  in net  income  and net  income  per  share  reflects  the  Company's
significant  growth in its asset base  through  the  acquisition  of  commercial
properties.

PROPERTY OPERATIONS: The Company's property operations account for almost all of
the net  operating  income  earned by the  Company  for the three and six months
ended June 30, 1998. The following  table presents the operating  results of the
properties for the six months ended June 30, 1998 and 1997:

                                       18





                                                 Three months ended June 30,           Six months ended June 30,
                                             ------------------------------------ ------------------------------------
                                                1998        1997        Change       1998         1997        Change
                                             -----------  -----------  ---------- -----------  ------------  ---------
Rental income:
Facilities owned throughout each period
  (35 facilities, 3.0 million net       
                                                                                                 
  rentable square feet).................    $6,366,000   $6,059,000        5.1%  $12,381,000  $11,864,000        4.4%
Facilities acquired between March 31,
  1997 and March 31, 1998 (30
  facilities, 4.6 million net rentable  
  square feet)..........................    11,070,000      919,000    1,104.6%   19,408,000      919,000    2,011.9%
Facilities acquired during the three
  months ended June 30, 1998 (32
  facilities, 2.6 million net rentable  
  square feet)..........................     4,035,000            -         n/a    4,035,000            -         n/a
                                           -----------   -----------   ---------  ----------   ----------    ---------
Total rental income.....................   $21,471,000   $6,978,000      207.7%  $35,824,000  $12,783,000      180.3%
                                           ===========   ===========   =========  ==========   ==========    =========

Cost   of   operations   (excluding
  depreciation):
Facilities owned throughout each period.    $2,154,000   $2,241,000      (3.9%)   $4,682,000   $4,734,000      (1.1%)
Facilities acquired between March 31
  1997 and March 31, 1998...............     3,540,000      285,000    1,142.1%    5,639,000      285,000    1,878.6%
Facilities acquired during the three
  months ended June 30, 1998............       661,000            -         n/a      661,000            -         n/a
                                           -----------   -----------   ---------  ----------   ----------    ---------
Total cost of operations................    $6,355,000   $2,526,000      151.6%  $10,982,000   $5,019,000      118.8%
                                           ===========   ===========   =========  ==========   ==========    =========

Net operating income (rental income
  less cost of operations):
Facilities owned throughout each period.    $4,212,000   $3,818,000       10.3%   $7,699,000   $7,130,000        8.0%
Facilities acquired between March 31
  1997 and March 31, 1998...............     7,530,000      634,000    1,087.8%   13,769,000      634,000    2,071.8%
Facilities acquired during the three
  months ended June 30, 1998............     3,374,000            -         n/a    3,374,000            -         n/a
                                           -----------   -----------   ---------  ----------   ----------    ---------
Total net operating income..............   $15,116,000   $4,452,000      239.5%  $24,842,000   $7,764,000      220.0%
                                           ===========   ===========   =========  ==========   ==========    =========



Other operating data:
For the facilities owned throughout
  each period:
  Annualized realized rent per occupied 
  square foot...........................          $9.00       $8.52        5.6%        $8.76        $8.40        4.3%
  Weighted average occupancy for the    
  period................................          94.8%       95.8%      (1.0%)        95.0%        95.6%      (0.6%)


SUPPLEMENTAL  PROPERTY  DATA AND TRENDS:  In order to evaluate how the Company's
overall portfolio has performed,  management analyzes the operating  performance
of a consistent  group of 51 properties  (4.2 million net rentable square feet).
These 51  properties  represent  a mature  group of  properties  which have been
managed by the Company for at least three years and, as of June 30,  1998,  were
owned by the Company.  The table below  summarizes the historical  operations of
the 51  properties  for the three and six months  ended June 30,  1998 and 1997;
however,  the Company did not own all of the  properties  throughout the periods
presented and therefore,  such operations are not all reflected in the Company's
historical operating results.








The following table summarizes the pre-depreciation historical operating results
of these "Same Park" facilities:



                                                                                   Three months ended June 30,
                                                                         ----------------------------------------------------
                                                                             1998(1)            1997(1)            Change
                                                                         -------------   ------------------    --------------
                                                            
                                                                                                           
          Rental income..........................................        $9,767,000         $9,300,000             5.0%
          Cost of operations.....................................         3,529,000          3,568,000            (1.1)%
                                                                         -------------   ------------------    --------------
            Net operating income.................................        $6,238,000         $5,732,000             8.8%
                                                                         =============   ==================    ==============
              Gross Margin (2)...................................            63.9%              61.6%              2.3%

          Annualized realized rent per occupied square foot (3)..            $9.85              $9.32              5.7%

          Weighted average occupancy for the period..............            95.1%              96.1%             (1.0%)


                                                                                    Six months ended June 30,
                                                                         ----------------------------------------------------
                                                                            1998(1)            1997(1)            Change
                                                                         -------------   ------------------    --------------

          Rental income..........................................       $19,157,000        $18,176,000            5.4%
          Cost of operations ....................................         7,221,000          7,240,000           (0.3%)
                                                                         -------------   ------------------    --------------
            Net operating income.................................       $11,936,000        $10,936,000            9.1%
                                                                         =============   ==================    ==============
              Gross Margin (2)...................................            62.3%              60.2%               2.1%

          Annualized realized rent per occupied square foot (3)..            $9.64              $9.16               5.2%

          Weighted average occupancy for the period..............            95.3%              95.9%              (0.6%)


(1)  Operations  for the three and six months ended June 30, 1998  represent the
     historical operations of the 51 properties however, the Company did not own
     all of the properties  throughout all periods  presented and therefore such
     operations are not reflected in the Company's historical operating results.
     All such properties were owned effective March 17, 1998.
(2)  Gross  margin is computed  by dividing  property  net  operating  income by
     rental  revenues.
(3)  Realized  rent per square foot  represents  the actual  revenue  earned per
     occupied square foot.

FACILITY MANAGEMENT OPERATIONS: The Company's facility management accounts for a
small  portion  of the  Company's  net  operating  income  (less  than 1% of net
operating  income for the three  months ended June 30,  1998).  During the three
months ended June 30, 1998, $117,000 in net operating income was recognized from
facility management operations compared to $179,000 for the same period in 1997.
During the six months ended June 30, 1998,  $294,000 in net operating income was
recognized from facility management operations compared to $366,000 for the same
period  in 1997.  Due to the  Company's  acquisition  of  properties  previously
managed,  where the  Company  managed  53  facilities  at March 31,  1997 and 35
facilities at June 30, 1998, facility management fees have decreased.

INTEREST AND OTHER INCOME: Interest and other income primarily reflects earnings
on cash  balances.  Interest  and other income was $311,000 for the three months
ended  June 30,  1998 as  compared  to  $110,000  for the same  period  in 1997.
Interest and other income was $544,000 for the six months ended June 30, 1998 as
compared to $139,000 for the same period in 1997. The increases are attributable
to increased average cash balances  principally due to the Company's issuance of
common stock in January and May 1998 and the timing of investing  these funds in
newly acquired real estate facilities.

DEPRECIATION AND AMORTIZATION EXPENSE: Depreciation and amortization expense for
the three months ended June 30, 1998 was  $4,256,000,  as compared to $1,195,000
for the same period in 1997.  Depreciation and amortization  expense for the six

                                       20



months ended June 30, 1998 was  $6,556,000,  as compared to  $2,015,000  for the
same period in 1997.  The  increases are due to the  acquisition  of real estate
facilities in 1997 and 1998.

GENERAL  AND  ADMINISTRATIVE  EXPENSE:  General and  administrative  expense was
$551,000 for the three  months ended June 30, 1998  compared to $172,000 for the
three  months  ended June 30,  1997.  General  and  administrative  expense  was
$996,000 for the six months ended June 30, 1998 compared to $385,000 for the six
months  ended June 30,  1997.  The  increase is due to the  increased  scope and
acquisition  activities  of the Company.  Management  anticipates  that with the
hiring of executive  staff,  and as the Company's  asset and  shareholder  bases
increase, general and administrative expense will increase.

INTEREST EXPENSE: Interest expense was $822,000 and $1,069,000 for the three and
six months  ended June 30,  1998 (none for the same  periods in 1997).  Interest
expense for 1998 is  attributable  to mortgage notes assumed in connection  with
the  acquisition of real estate  facilities in March and June 1998 combined with
interest expense incurred on short-term borrowings from PSI.

MINORITY  INTEREST IN INCOME:  Minority  interest in income  reflects the income
allocable to equity interests in the Operating  Partnership  which are not owned
by the Company.  Minority interest in income for the three months ended June 30,
1998 was  $2,869,000  as  compared  to  $2,579,000  for the same period in 1997.
Minority  interest  in  income  for the six  months  ended  June  30,  1998  was
$5,683,000 as compared to $4,392,000  for the same period in 1997. The increases
in minority  interest in income are due to  improved  operating  results and the
issuance of additional Operating Partnership units, primarily in connection with
the acquisition of real estate facilities from PSI on April 1, 1997.

LIQUIDITY AND CAPITAL RESOURCES

Net cash provided by operating activities for the six months ended June 30, 1998
and 1997 was $23,609,000 and $8,062,000, respectively.  Management believes that
its internally generated net cash provided by operating activities will continue
to  be  sufficient  to  enable  it  to  meet  its  operating  expenses,  capital
improvements,  debt service  requirements and  distributions to shareholders and
holders of Operating Partnership units for the foreseeable future.

The  following   table   summarizes  the  Company's   ability  to  make  capital
improvements  to maintain  its  facilities  through the use of cash  provided by
operating activities. The remaining cash flow is available to the Company to pay
distributions to shareholders and acquire property interests.



                                                                             Six months ended June 30,
                                                                         -------------------------------
                                                                               1998            1997
                                                                         --------------   --------------
                                                                                             
Net income..........................................................     $ 11,376,000       $1,477,000
Depreciation and amortization.......................................        6,556,000         2,015,000
Change in working capital...........................................           (6,000)          178,000
Minority interest in income.........................................        5,683,000         4,392,000
                                                                         --------------   --------------
Net cash provided by operating activities...........................       23,609,000         8,062,000
Capital improvements to maintain facilities.........................       (3,175,000)       (1,366,000)
                                                                         --------------   --------------
Funds available for distributions to shareholders, minority
  interests, acquisitions and other corporate purposes..............       20,434,000         6,696,000
Cash distributions to shareholders and minority interests...........      (14,392,000)                -
                                                                         --------------   --------------
Excess funds available for acquisitions and other corporate purposes     $  6,042,000       $ 6,696,000
                                                                         ==============   ==============


The Company's capital structure is characterized by low level of leverage. As of
June 30, 1998, the Company had five fixed rate mortgage  notes payable  totaling
$29,890,000,  which  represented 4% of its total  capitalization  (based on book
value, including minority interests and debt).

At June 30, 1998, the Company had no borrowings on its line of credit  agreement
with PSI. On August 6, 1998,  PSB entered into an unsecured  line of credit (the
"Credit  Agreement")  with a commercial  bank and the line of credit provided by


                                       21


PSI was canceled.  The Credit  Agreement has a borrowing limit of $100.0 million
and an expiration date of August 5, 2000. The expiration date may be extended by
one year on each  anniversary of the Credit  Agreement.  Interest on outstanding
borrowings  is  payable  monthly.  At the  option  of the  Company,  the rate of
interest  charged is equal to (i) the prime rate or (ii) a rate ranging from the
London Interbank Offered Rate ("LIBOR") plus 0.55% to LIBOR plus 0.95% depending
on the Company's credit ratings and coverage rations,  as defined.  In addition,
the Company is required to pay a quarterly commitment fee of 0.25% (per annum).

The Company expects to fund its growth strategies with cash on hand,  internally
generated  retained  cash  flows and  borrowings  from its line of  credit.  The
Company  intends  to repay  amounts  borrowed  under the  credit  facility  from
undistributed  cash flow or, as market conditions permit and as determined to be
advantageous, from the public or private placement of equity securities.

In January  1998,  the Company  entered  into an  agreement  with  institutional
investors  whereby the Company  agreed to issue  6,774,074  shares of its common
stock  for  cash  ($155  million)  in  separate  tranches.  The  first  tranche,
representing  2,185,189 shares or $50.0 million, was issued in January 1998. The
Company incurred $2,400,000 in costs associated with the issuance. The remainder
of the common shares  (4,588,885  common  shares) were issued on May 6, 1998 and
the net proceeds ($105.0 million) were used to repay short-terms borrowings from
PSI.

In May 1998,  the Company  completed  two common  stock  offerings,  raising net
proceeds  totaling  $118.9  million.  In the first  offering,  the Company  sold
4,000,000  shares of common stock to an underwriter,  resulting in approximately
$95.2 million of net proceeds. These shares were resold to various institutional
investors In the second common stock offering, the Company sold 1,025,800 common
shares to an underwriter,  resulting in net proceeds of $23.7 million. A portion
of the proceeds from these  offerings were used to repay  short-term  borrowings
from PSI and to fund the acquisitions of real estate facilities.

FUNDS FROM OPERATIONS:  Funds from operations  ("FFO") is defined by the Company
as net income (loss),  computed in accordance with generally accepted accounting
principles  ("GAAP"),  before  depreciation,  amortization and  extraordinary or
non-recurring  items. FFO is presented because the Company considers FFO to be a
useful measure of the operating  performance of a REIT which,  together with net
income and cash flows, provides investors with a basis to evaluate the operating
and cash flow  performances of a REIT. FFO does not represent net income or cash
flows from  operations as defined by GAAP. FFO does not take into  consideration
scheduled principal payments on debt and capital improvements.  Accordingly, FFO
is not  necessarily  a  substitute  for cash flow or net  income as a measure of
liquidity or operating  performance or ability to make  acquisitions and capital
improvements or ability to pay distributions or debt principal  payments.  Also,
FFO as  computed  and  disclosed  by the Company  may not be  comparable  to FFO
computed and disclosed by other REITs.

Funds from operations for the Company is computed as follows:

                                                      Six months ended June 30,
                                                   -----------------------------
                                                         1998            1997
                                                   -------------   -------------
Net income........................................ $  11,376,000   $  1,477,000
Minority interest in income.......................     5,683,000      4,392,000
Depreciation and amortization.....................     6,556,000      2,015,000
                                                   -------------   -------------
  Subtotal........................................    23,615,000      7,884,000
FFO allocated to minority interests...............    (7,867,000)    (5,900,000)
                                                   -------------   -------------
Funds from operations allocated to shareholders... $  15,748,000   $  1,984,000
                                                   =============   =============

DISTRIBUTIONS:  The  Company  has  elected  and intends to qualify as a REIT for
federal  income tax  purposes.  As a REIT,  the Company  must meet,  among other
tests,  sources of income, share ownership and certain asset tests. In addition,
the  Company  is not  taxed  on that  portion  of its  taxable  income  which is
distributed to its shareholders provided that at least 95% of its taxable income
is so distributed to its shareholders prior to filing of its tax return.

On August 6, 1998,  the Company  declared a regular  dividend of $0.25 per share
payable on September 30, 1998 to  shareholders  of record on September 15, 1998.
This  reflects a decrease  from  $0.34 per  common  share  which was paid to the
previous  shareholders  of  Public  Storage  Properties  XI,  Inc.  The Board of
Directors  has  established a  distribution  policy to maximize the retention of
operating  cash flow and only  distribute  the minimum  amount  required for the
Company to maintain its tax status as a REIT.


                                       23


PART II. OTHER INFORMATION

Item 2.  Changes in Securities and Use of Proceeds

         (c) On May 6, 1998, the Registrant sold in a private placement pursuant
to Section  4(2) of the  Securities  Act of 1933,  as amended,  an  aggregate of
4,588,885  shares of its common stock for an aggregate amount of $104,999,911 in
cash to the  following  institutional  investors:  State of Michigan  Retirement
Systems,  Cohen  &  Steers  Capital  Management,   Inc.,  Morgan  Stanley  Asset
Management,  Harvard  Private  Capital  Realty,  Inc.,  ABKB/LaSalle  Securities
Limited  Partnership,   Fidelity  Real  Estate  Investment  Portfolio,  Stanford
University,  The Fidelity REIT Collective Pool, State Employees' Retirement Fund
of the State of Delaware and J.W. McConnell Family Foundation.

Item 5.  Other Information

         (a)      Appointment of Executive Officers
                  ---------------------------------

                    On June 8, 1998,  Jack E.  Corrigan  became Vice  President,
Chief  Financial  Officer and Secretary of the  Registrant  and J. Michael Lynch
became  Vice  President  -  Director  of  Acquisitions  and  Development  of the
Registrant.

                    Jack E. Corrigan,  age 38, is a certified public accountant.
From  February  1991  until  June  1998,  Mr.  Corrigan  was a partner of LaRue,
Corrigan & McCormick with responsibility for the audit and accounting  practice.
He was Controller of Storage Equities,  Inc., now known as Public Storage, Inc.,
from 1989  until  February  1991 and was also a Vice  President  from 1990 until
February 1991.

                    J. Michael Lynch, age 45, was Vice President of Acquisitions
and  Development  of Nottingham  Properties,  Inc. from 1995 until May 1998. Mr.
Lynch has 16 years of real estate  experience,  primarily  in  acquisitions  and
development.  From 1988 until 1995, he was a development project manager for The
Parkway  Companies.  From 1983  until  1988,  Mr.  Lynch was an  Assistant  Vice
President, Real Estate Investment Department of First Wachovia Corporation.

         (b)      Credit Agreement
                  ----------------

                    On August 6, 1998, PS Business  Parks,  L.P.  entered into a
$100 million  Revolving  Credit  Agreement  with a bank.  The  Revolving  Credit
Agreement is attached hereto as Exhibit 10.5 and is incorporated  herein by this
reference.

                                       24


PART II. OTHER INFORMATION

Item 6.    Exhibits and Reports on Form 8-K

          (a)     The following exhibits are included herein:

          (10.1)  Agreement of Limited  Partnership of PS Business  Parks,  L.P.
                  dated as of March 17, 1998.

          (10.2)  Registration  Rights  Agreement  dated  as of March  17,  1998
                  between PS Business Parks,  Inc. and Acquiport Two Corporation
                  ("Acquiport Registration Rights Agreement").

          (10.3)  Letter dated May 20, 1998  relating to Acquiport  Registration
                  Rights Agreement.

          (10.4)  Employment  Agreement  between PS Business Parks,  Inc. and J.
                  Michael Lynch dated as of May 20, 1998.

          (10.5)  Revolving  Credit  Agreement  dated  August 6,  1998  among PS
                  Business Parks, L.P., Wells Fargo Bank, National  Association,
                  as Agent, and the Lenders named therein.

          (11)    Statement re: Computation of Earnings per Share

          (12)    Statement  re:  Computation  of  Ratio  of  Earnings  to Fixed
                  Charges

          (27)    Financial Data Schedule

          (b)     Reports on Form 8-K

               The  Registrant  filed a Current Report on Form 8-K/A dated April
17, 1998 (amending Form 8-K dated March 17, 1998) pursuant to Item 7 which filed
financial  statements for PS Business Parks, Inc.  (successor to American Office
Park Properties, Inc.).

               The  Registrant  filed a Current  Report on Form 8-K dated May 4,
1998  (filed  May  14,  1998)  pursuant  to  Items 2 and 7  which  reported  the
acquisition  of properties  from  affiliates of Principal  Mutual Life and filed
financial statements for those properties.

               The  Registrant  filed a Current Report on Form 8-K dated May 20,
1998  pursuant  to  Item  5  which  filed  certain  exhibits   relating  to  the
Registrant's public offering of 4,000,000 shares of common stock.

               The  Registrant  filed a Current Report on Form 8-K dated May 27,
1998  pursuant  to  Item  5  which  filed  certain  exhibits   relating  to  the
Registrant's public offering of 1,025,800 shares of common stock.

                                   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.

                                 Dated:  August 14, 1998



                                 PS BUSINESS PARKS, INC.
                                 BY: /s/ Jack Corrigan
                                     ------------------
                                     Jack Corrigan
                                     Vice President and Chief Financial Officer


  

                                     25





                            PS BUSINESS PARKS, INC.
          Exhibit 11: Statement re: Computation of Earnings per Share


                                                                For the Three Months Ended      For the Six Months Ended
                                                                         June 30,                       June 30,
                                                               ------------------------------------------------------------
Basic and Diluted Earnings Per Share:                              1998            1997           1998            1997
                                                               -----------   --------------  --------------   -------------
                                                                                                  
Net income and net income allocable to
   common shareholders (same for Basic and
   Diluted computations)................................       $7,046,000      $  795,000     $11,376,000     $1,477,000
                                                               ===========   =============   ==============   =============

Weighted average common shares outstanding:

   Basic - weighted average common shares outstanding...       18,649,693       2,197,779     14,926,093       2,185,569
   Net effect of dilutive stock options - based on treasury
     stock method using average market price............           60,883               -         51,683               -
                                                               -----------   --------------  --------------   -------------

   Diluted weighted average common shares outstanding...       18,710,576       2,197,779     14,977,776       2,185,569
                                                               ===========   =============   ==============   =============

Basic earnings per common share.........................       $     0.38      $     0.36     $     0.76      $     0.68
                                                               ===========   =============   ==============   =============
Diluted earnings per common share.......................       $     0.38      $     0.36     $     0.76      $     0.68
                                                               ===========   =============   ==============   =============


                                   Exhibit 11



                             PS BUSINESS PARKS, INC.
           Exhibit 12: Statement re: Computation of Ratio of Earnings
                                to Fixed Charges


                                                                                  Six Months Ended
                                                                                      June 30,
                                                                      --------------------------------------------
                                                                            1998                     1997
                                                                      ----------------          --------------
                                                                           (Amounts in thousands, except ratios)

                                                                                                
      Net income                                                      $    11,376             $     1,477
      Add:  minority interest                                               5,683                   4,392
      Less:  minority interest that does not have fixed
        charges                                                                 -                  (4,392)
                                                                      ----------------          --------------
                
                                                                           17,059                   1,477

        Add:  Interest expense                                              1,069                   -
                                                                      ----------------          --------------
      Earnings available to cover fixed charges                       $    18,128             $     1,477
                                                                      ================          ==============

      Fixed charges (interest expense)                                $     1,069             $     -
                                                                      ================          ==============

      Ratio of earnings to fixed charges                                    16.96                   NA
                                                                      ================          ==============





                                                                Year Ended December 31,
                                    ----------------------------------------------------------------------------
                                        1997             1996            1995             1994            1993
                                    -----------      -----------     -----------      -----------     -----------
                                                         (Amounts in thousands, except ratios)


                                                                                               
Net income before taxes             $     3,836      $       519     $     1,192      $     1,245     $     1,517
Minority interest                         8,566                -               -                -               -
                                    -----------      -----------     -----------      -----------     -----------
                                         12,402              519           1,192            1,245           1,517

   Interest expense                           1                -               -                -               -
                                    -----------      -----------     -----------      -----------     -----------
Earnings available to cover
   fixed charges                    $    12,403      $       519     $     1,192      $     1,245     $     1,517
                                    ===========      ===========     ===========      ===========     ===========

Fixed charges - interest expense    $         1      $         -     $         -      $         -     $         -
                                    ===========      ===========     ===========      ===========     ===========
Ratio of earnings to fixed
   charges                               12,403               NA              NA               NA              NA
                                    ===========      ===========     ===========      ===========     ===========

                                 Exhibit 12