PS PARTNERS IV LTD
10-K405, 2000-03-28
LESSORS OF REAL PROPERTY, NEC
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-K

[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT
OF 1934 [Fee Required]

For the fiscal year ended December 31, 1999
                          -----------------

                                       or

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
ACT OF 1934 [No Fee Required]

For the transition period from               to
                              ---------------  ---------------

Commission File Number 0-14475
                       -------

                               PS PARTNERS IV, LTD
                               -------------------
             (Exact name of registrant as specified in its charter)

               California                                       95-3931619
- ----------------------------------------                  ----------------------
    (State or other jurisdiction of                          (I.R.S. Employer
     incorporation or organization)                       Identification Number)

           701 Western Avenue
          Glendale, California                                  91201-2394
- ----------------------------------------                  ----------------------
(Address of principal executive offices)                        (Zip Code)

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

Securities registered pursuant to Section 12(b) of the Act:
                                      NONE

Securities registered pursuant to Section 12(g) of the Act:

                      Units of Limited Partnership Interest
                      -------------------------------------
                                (Title of class)

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
                                       ---  ---

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of regulation  S-K is not contained  herein,  and will not be contained,  to the
best of Registrant's  knowledge,  in definitive proxy or information  statements
incorporated  by reference in Part III of this Form 10-K or any amendment to the
Form 10-K. [X]

- --------------------------------------------------------------------------------
                       DOCUMENTS INCORPORATED BY REFERENCE
                                      NONE

<PAGE>

                                     PART I

ITEM 1.  BUSINESS.
         ---------

FORWARD LOOKING STATEMENTS
- --------------------------

         When  used  within  this  document,  the words  "expects,"  "believes,"
"anticipates,"  "should,"  "estimates," and similar  expressions are intended to
identify "forward-looking statements" within the meaning of that term in Section
27A of the  Securities  Exchange Act of 1933, as amended,  and in Section 21F of
the Securities Exchange Act of 1934, as amended. Such forward-looking statements
involve known and unknown risks,  uncertainties,  and other  factors,  which may
cause the actual  results and  performance  of the  Partnership to be materially
different  from those  expressed or implied in the forward  looking  statements.
Such factors include the impact of competition from new and existing real estate
facilities  which could  impact  rents and  occupancy  levels at the real estate
facilities that the Partnership has an interest in; the Partnership's ability to
effectively  compete in the markets that it does  business in; the impact of the
regulatory  environment  as  well  as  national,   state,  and  local  laws  and
regulations including, without limitation, those governing Partnerships; and the
impact of general economic  conditions upon rental rates and occupancy levels at
the real estate facilities that the Partnership has an interest in.

GENERAL
- -------

         PS Partners IV, Ltd.  (the  "Partnership")  is a publicly  held limited
partnership  formed  under  the  California  Uniform  Limited  Partnership  Act.
Commencing in December 1984, 128,000 units of limited partnership  interest (the
"Units") were offered to the public in an interstate offering.  The offering was
completed in July 1985.

         The  Partnership   was  formed  to  invest  in  and  operate   existing
self-service  facilities  offering  storage  space for personal and business use
(the  "mini-warehouses")  and to  invest  up to 40% of the net  proceeds  of the
offering  in  and  operate  existing  office  and  industrial  properties.   The
Partnership's real estate investments consist of wholly-owned  facilities and an
investment  in a general  partnership  (SEI/PSP  IV Joint  Ventures,  the "Joint
Venture") with Public Storage,  Inc.  ("PSI"),  a real estate  investment  trust
("REIT") organized as a corporation under the laws of California.

         The Partnership's general partners (the "General Partners") are PSI and
B.  Wayne  Hughes  ("Hughes").  Hughes  is the  chairman  of the board and chief
executive  officer of PSI,  and Hughes and  members of his family  (the  "Hughes
Family") are the major shareholders of PSI. The Partnership is managed,  and its
investment decisions are made by Hughes and the executive officers and directors
of PSI. The limited  partners of the Partnership have no right to participate in
the management or conduct of its business  affairs.  PSI believes that it is the
largest operator of mini-warehouse facilities in the United States.

         Through 1996,  the business  parks of the Joint Venture were managed by
Public  Storage  Commercial  Properties  Group,  Inc.  ("PSCPG")  pursuant  to a
Management  Agreement.  In January  1997,  the Joint  Venture  and PSI and other
related  partnerships  transferred  a total of 35 business  parks to PS Business
Parks, L.P. ("PSBPLP"), formerly known as American Office Park Properties, L.P.,
an operating  partnership  formed to own and operate business parks in which PSI
has a significant interest.  Included among the properties  transferred were the
business  parks of the Joint Venture in exchange for a  partnership  interest in
PSBPLP.  Until March 17, 1998, the general partner of PSBPLP was American Office
Park Properties,  Inc., an affiliate of PSI. On March 17, 1998,  American Office
Park Properties,  Inc. was merged into Public Storage Properties XI, Inc., which
changed its name to PS Business Parks, Inc. ("PSBP").  PSBP is a REIT affiliated
with PSI, and is publicly traded on the American Stock Exchange.  As a result of
the merger,  PSBP became the general  partner of PSBPLP (which  changed its name
from American Office Park Properties, L.P. to PS Business Parks, L.P.). See Item
13.

         PSI's current  relationship with the Partnership includes (i) the joint
ownership  of  32  of  the  Partnership's  33  properties  (which  excludes  the
properties  transferred  to PSBPLP in January  1997),  (ii) PSI is a  co-general
partner  along with  Hughes,  who is chairman  of the board and chief  executive
officer of PSI, (iii) as of January 1, 2000, PSI owned  approximately  56.49% of

                                       2

<PAGE>

the Partnership's limited partnership units, and (iv) PSI is the operator of the
33 properties in which the  Partnership has an interest (these 33 properties are
referred to collectively hereinafter as the "Mini-Warehouse Properties").

INVESTMENT OBJECTIVES AND POLICIES
- ----------------------------------

         The  Partnership's  objectives are to (i) preserve and protect invested
capital,   (ii)  maximize  the  potential  for  appreciation  in  value  of  its
investments,  (iii)  provide  Federal  income tax  deductions so that during the
early  years of  property  operations  a portion  of cash  distributions  may be
treated  as a  return  of  capital  for tax  purposes,  and  therefore,  may not
represent  taxable  income to the limited  partners,  and (iv)  provide for cash
distributions from operations.

         The Partnership  will terminate on December 31, 2038,  unless dissolved
earlier.  Under the terms of the general partnership agreement with PSI, PSI has
the right to require the Partnership to sell all of the properties  owned by the
Joint Venture (see Item 12(c)).

         The Partnership  engaged  Lawrence R. Nicholson,  MAI, a principal with
the firm of  Nicholson-Douglas  Realty  Consultants,  Inc. ("NDRC") to perform a
limited  investigation  and appraisal of the properties owned by the Partnership
and the Joint Venture.  In a letter  appraisal  report dated May 13, 1996,  NDRC
indicated that, based on the assumptions  contained in the report, the aggregate
market value Mini-Warehouse Properties (consisting not only of the Partnership's
interest  but also  including  PSI's  interest),  as of January  31,  1996,  was
$67,500,000.  NDRC's  report  is  limited  in  that  NDRC  did not  inspect  the
properties  and relied  primarily  upon the income  capitalization  approach  in
arriving at its opinion.  NDRC's aggregate value conclusion  represents the 100%
property  interests,  and  although  not valued  separately,  includes  both the
interest of the Partnership in the  properties,  as well as the interest of PSI,
which owns a joint venture interest (ranging from about 49% to 50%) in 32 of the
Mini-Warehouse  Properties.  The  analytical  process that was undertaken in the
appraisal  included  a review  of the  properties'  unit mix,  rental  rates and
historical financial statements.  Following these reviews, a stabilized level of
net  operating  income  was  projected  for the  Mini-Warehouse  Properties  (an
aggregate of  $6,968,000).  Value  estimates  were then made using both a direct
capitalization  analysis  ($69,900,000)  and a  discounted  cash  flow  analysis
($66,600,000).  In applying the discounted  cash flow,  analysis  projections of
cash flow from each property were  developed for an 11-year period ending in the
year 2007.  Growth  rates for income and  expenses  were  assumed to be 3.5% per
year. NDRC then used a terminal  capitalization rate of 10.5% to capitalize each
property's  11th year net operating  income into a residual  value at the end of
the holding period.  The ten yearly cash flows plus the residual or reversionary
proceeds  net of sales  costs  were then  discounted  to present  worth  using a
discount rate of 13.25%. In the direct capitalization  analysis,  NDRC applied a
10.0%  capitalization  rate to the  mini-warehouses'  stabilized  net  operating
income.  These  value  estimates  were  then  compared  to  an  estimated  value
($66,200,000)  using a regression analysis applied to approximately 300 sales of
mini-warehouses to evaluate the reasonableness of the estimates using the direct
capitalization and discounted cash flow analysis.

         NDRC has prepared other  appraisals for the General  Partners and their
affiliates  and is expected to  continue to prepare  appraisals  for the General
Partners and their affiliates.  No environmental  investigations  were conducted
with  respect to the  limited  investigation  of the  Partnership's  properties.
Accordingly,  NDRC's  appraisal  did not take  into  account  any  environmental
cleanup or other costs that might be incurred in  connection  with a disposition
of the  properties.  Although  there  can be no  assurance,  based  on  recently
completed  environmental  investigations  (see Item 2), the  Partnership  is not
aware of any  environmental  contamination  of its  facilities  material  to its
overall business or financial condition. In addition to assuming compliance with
applicable  environmental laws, the appraisal also assumed,  among other things,
compliance  with  applicable  zoning and use  regulations  and the  existence of
required licenses.

                                       3

<PAGE>

         Limited  Partners  should  recognize that appraisals are opinions as of
the date specified,  are subject to certain  assumptions and the appraised value
of the Partnership's properties may not represent their true worth or realizable
value. There can be no assurance that, if these properties were sold, they would
be sold at the appraised  values;  the sales price might be higher or lower than
the appraised values.

COMPETITION
- -----------

         Competition  in the market areas in which the  Partnership  operates is
significant  and  affects  the  occupancy  levels,  rental  rates and  operating
expenses  of  certain  of  the  Partnerships  facilities.  Recent  increases  in
development of mini-warehouse  facilities have intensified the competition among
mini-warehouse operators in many market areas in which the Partnership operates.
In recent  years  consolidation  has occurred in the  fragmented  mini-warehouse
industry.

         The Partnership  believes that the significant  operating and financial
experience of PSI's  officers and  directors,  combined  with the  Partnership's
geographic  diversity,  economies of scale and the "Public Storage" name, should
enable the Partnership to continue to compete effectively with other entities.

BUSINESS ATTRIBUTES
- -------------------

         Under  PSI  operation,  the  Partnership's  facilities  are  part  of a
comprehensive   distribution   system  encompassing   standardized   procedures,
integrated  reporting and information networks and centralized  marketing.  This
distribution  system  is  designed  to  maximize  revenue  through  pricing  and
occupancy.  The distribution system was significantly  enhanced during 1996 with
the introduction and implementation of the national telephone reservation center
and new facility management software.

         NATIONAL TELEPHONE  RESERVATION  SYSTEM:  Commencing in early 1996, PSI
began to implement a national  telephone  reservation system designed to provide
added  customer  service and maximize  utilization  of available  mini-warehouse
space.  Customers calling either the PSI's toll-free  telephone referral system,
(800)  44-STORE,  or a  mini-warehouse  facility  are  directed to the  national
reservation  system where a  representative  discusses  with the customer  space
requirements, price and location.

         PSI  believes  that  the  national  telephone  reservation  system  has
enhanced the Partnership's  ability to effectively market  mini-warehouse and is
primarily  responsible for the  Partnership's  increasing  occupancy  levels and
realized rental rates  experienced at the  mini-warehouse  facilities during the
past three years.

         ECONOMIES OF SCALE: PSI is the largest provider of mini-warehouse space
in the  industry.  As of December 31, 1999,  PSI operated  1,358  mini-warehouse
facilities  (including  35 managed for third  parties) in 37 states and had over
663,000 spaces rented. The size and scope of PSI's operations have enabled it to
achieve  a  consistently   high  level  of  profit  margins  and  low  level  of
administrative costs relative to revenues.

         BRAND NAME  RECOGNITION:  The  Partnership's  operations  are conducted
under the "Public  Storage" brand name,  which the  Partnership  believes is the
most recognized and established name in the mini-warehouse industry. PSI manages
mini-warehouse operations conducted in 37 states, giving it national recognition
and  prominence.  PSI focuses its  operations  within  those states in the major
metropolitan markets. This concentration  establishes PSI as one of the dominant
providers of storage  space in each market that it operates in and enables it to
use  a  variety  of  promotional  activities,   such  as  television  and  radio
advertising as well as targeted  discounting and referrals,  which are generally
not economically viable to its competitors.

                                       4

<PAGE>

INVESTMENTS IN FACILITIES
- -------------------------

         The  Partnership  owns  interests  in  33  properties   (excluding  the
properties  transferred  to PSBPLP in January 1997);  32 of such  properties are
owned  by the  Joint  Venture.  Reference  is made to the  table in Item 2 for a
summary of information about the Partnership's properties.

MINI-WAREHOUSES
- ---------------

         Mini-warehouses,  which  comprise  the  majority  of the  Partnership's
investments,  are designed to offer  accessible  storage  space for personal and
business use at a relatively low cost. A user rents a fully enclosed space which
is for the  user's  exclusive  use and to which  only the user has  access on an
unrestricted   basis   during   business   hours.   On-site   operation  is  the
responsibility  of resident  managers who are supervised by area managers.  Some
mini-warehouses  also  include  rentable  uncovered  parking  areas for  vehicle
storage.  Leases for  mini-warehouse  space may be on a long-term or  short-term
basis,  although typically spaces are rented on a month-to-month  basis.  Rental
rates vary according to the location of the property and the size of the storage
space.

         Users of space in  mini-warehouses  include both  individuals and large
and small  businesses.  Individuals  usually  employ  this space for storage of,
among other things, furniture, household appliances,  personal belongings, motor
vehicles,  boats,  campers,  motorcycles and other household  goods.  Businesses
normally employ this space for storage of excess  inventory,  business  records,
seasonal goods, equipment and fixtures.

         The  Mini-Warehouse  Properties  generally  consist  of  three to seven
buildings  containing an aggregate of between 294 to 847 storage spaces, most of
which  have  between  25  and  400  square  feet  and  an  interior   height  of
approximately 8 to 12 feet.

         The Mini-Warehouse Properties experience minor seasonal fluctuations in
the occupancy levels of  mini-warehouses  with occupancies  higher in the summer
months  than  in  the  winter  months.  The  Partnership   believes  that  these
fluctuations result in part from increased moving activity during the summer.

         The Mini-Warehouse  Properties are  geographically  diversified and are
generally  located in heavily  populated  areas and close to  concentrations  of
apartment  complexes,  single family  residences  and  commercial  developments.
However,  there may be  circumstances  in which it may be  appropriate  to own a
property  in a less  populated  area,  for  example,  in an area  that is highly
visible  from a major  thoroughfare  and  close to,  although  not in, a heavily
populated area. Moreover,  in certain population centers,  land costs and zoning
restrictions may create a demand for space in nearby less populated areas.

         As  with  most  other  types  of  real  estate,   the   conversion   of
mini-warehouses to alternative uses in connection with a sale or otherwise would
generally require substantial capital expenditures. However, the Partnership and
the Joint  Venture do not intend to convert  the  Mini-Warehouse  Properties  to
other uses.

MINI-WAREHOUSE PROPERTY OPERATOR
- --------------------------------

         The  Mini-Warehouse  Properties  are  managed  by  PSI  pursuant  to  a
Management Agreement.

         Under the  supervision of the  Partnership  and the Joint Venture,  PSI
coordinates  the operation of the  facilities,  establishes  rental policies and
rates,  directs  marketing  activity and directs the  purchase of equipment  and
supplies, maintenance activity, and the selection and engagement of all vendors,
supplies and independent contractors.

         PSI engages,  at the expense of the property  owner,  employees for the
operation of the owner's  facilities,  including  resident  managers,  assistant
managers, relief managers, and billing and maintenance personnel. Some or all of
these employees may be employed on a part-time basis and may also be employed by
other persons, partnerships,  REITs or other entities owning facilities operated
by PSI.

                                       5

<PAGE>

         In the purchasing of services such as advertising  (including broadcast
media advertising) and insurance, PSI attempts to achieve economies by combining
the resources of the various facilities that it operates. Facilities operated by
PSI  have  historically  carried   comprehensive   insurance,   including  fire,
earthquake, liability and extended coverage.

         PSI has developed systems for space inventory,  accounting and handling
delinquent  accounts,  including a  computerized  network  linking PSI  operated
facilities. Each project manager is furnished with detailed operating procedures
and typically  receives  facilities  management  training from PSI. Form letters
covering a variety of circumstances are also supplied to the project managers. A
record of actions  taken by the project  managers  when  delinquencies  occur is
maintained.

         The  Mini-warehouse  Properties  are typically  advertised via signage,
yellow pages,  flyers and broadcast media advertising  (television and radio) in
geographic  areas in which many of the facilities are located.  Broadcast  media
and other advertising costs are charged to the facilities  located in geographic
areas affected by the  advertising.  From time to time,  PSI adopts  promotional
programs, such as temporary rent reductions, in selected areas or for individual
facilities.

         For as long as the Management  Agreement is in effect,  PSI has granted
the  Partnership  and the Joint Venture a  non-exclusive  license to use two PSI
service  marks and related  designs,  including  the "Public  Storage"  name, in
conjunction  with rental and  operation of  facilities  managed  pursuant to the
Management  Agreement.   Upon  termination  of  the  Management  Agreement,  the
Partnership  and the Joint  Venture  would no  longer  have the right to use the
service marks and related designs. The General Partners believe that the loss of
the right to use the  service  marks and related  designs  could have a material
adverse effect on the Partnership's business.

         The  Management   Agreement  with  PSI  provides  that  the  Management
Agreement may be terminated  without cause upon 60 days written notice by either
party.

OTHER BUSINESS ACTIVITIES
- -------------------------

         A corporation  owned by the Hughes Family  reinsures  policies  against
losses  to  goods  stored  by  tenants  in the  Mini-Warehouse  Properties.  The
Partnership  believes that the  availability of insurance  reduces the potential
liability  of the  Partnership  and the Joint  Venture to tenants  for losses to
their goods from theft or destruction.  This  corporation  receives the premiums
and bears the risks associated with the insurance.

         A corporation,  in which PSI had a 95% economic interest and the Hughes
Family has a 5% economic interest,  sells locks, boxes and tape to tenants to be
used in securing  their  spaces and moving their  goods.  PSI believes  that the
availability of locks, boxes and tape for sale promotes the rental of spaces.

EMPLOYEES
- ---------

         There are 120 persons who render  services on behalf of the Partnership
and the Joint  Venture.  These  persons  include  resident  managers,  assistant
managers, relief managers, district managers, and administrative personnel. Some
of these employees may be employed on a part-time basis and may also be employed
by  other  persons,  partnerships,  REITs or other  entities  owning  facilities
operated by PSI or PSBPLP.

                                       6

<PAGE>

ITEM 2.  PROPERTIES.
         -----------

         The  following  table sets forth  information  as of December 31, 1999,
about the Mini-Warehouse Properties.

                             Net          Number
                           Rentable         of          Date of       Ownership
Location                 Square Feet      Spaces      Acquisition     Percentage
- --------------------     -----------      ------      -----------     ----------

ARIZONA
Scottsdale                   44,300          555       07/12/85          50.9%
   70th St.

CALIFORNIA
Milpitas                     54,700          671       12/24/85          50.0
   Pecten Ct.
N. Hollywood                 28,900          469       06/07/85          50.0
   Raymer St.
N. Hollywood                 50,000          817       10/04/85          50.0
   Whitsett Ave.
Pleasanton                   71,700          581       12/17/85          50.0
   Santa Rita Rd.
San Diego                    50,900          644       07/11/85          50.0
   Kearny Mesa Rd.

CONNECTICUT
Hartford                     47,000          430       10/17/85          50.0
   Roberts St.

INDIANA
Ft. Wayne                    58,900          433       07/06/88         100.0
   Illinois Rd.
Indianapolis                 59,200          505       10/31/85          50.0
   Elmwood
Indianapolis                 59,000          531       10/31/85          50.0
   Pike Plaza Rd.

KANSAS
Wichita                      44,400          337       10/09/85          49.9
   Carey Lane
Wichita                      64,400          427       10/09/85          49.9
   E. Harry
Wichita                      41,500          294       10/09/85          49.9
   E. Kellogg
Wichita                      46,800          383       10/09/85          49.9
   E. MacArthur
Wichita                     107,700          799       10/09/85          49.9
   S. Rock Road
Wichita                      63,600          537       10/09/85          49.9
   S. Tyler Rd.
Wichita                      56,000          402       10/09/85          49.9
   S. Woodlawn

                                       7

<PAGE>

                             Net          Number
                           Rentable         of          Date of       Ownership
Location                 Square Feet      Spaces      Acquisition     Percentage
- --------------------     -----------      ------      -----------     ----------

KANSAS
Wichita                      53,200          451       10/09/85          49.9%
   W. Maple

KENTUCKY
Florence                     53,800          442       04/30/85          50.0
   Tanner Lane

MISSOURI
Joplin                       56,500          437       10/09/85          49.9
   S. Range Line

NEW HAMPSHIRE
Manchester                   61,600          534       05/20/85          50.0
   S. Willow II

NORTH CAROLINA
Concord                      41,000          452       07/26/85          50.0
   Highway 29

OHIO
Cincinnati                   53,000          503       04/30/85          50.0
   Colerain Ave.
Cincinnati                   50,600          462       04/30/85          50.0
   E. Kemper
Columbus                     63,400          480       10/04/85          50.0
   Ambleside Dr.
Columbus                     56,900          426       09/25/85          50.0
   Sinclair Rd.
Perrysburg                   62,900          498       10/29/85          50.0
   Helen Drive

OREGON
Milwaukie                    50,600          478       05/17/85          49.8
   McLoughlin II
Portland                     34,900          444       10/02/85          50.0
   SE 82nd St.

PENNSYLVANIA
Philadelphia                 50,000          435       09/12/85          50.0
   Tacony St.

TEXAS
Austin                       66,700          847       04/18/85          50.0
   S. First St.

                                       8

<PAGE>

                             Net          Number
                           Rentable         of          Date of       Ownership
Location                 Square Feet      Spaces      Acquisition     Percentage
- --------------------     -----------      ------      -----------     ----------

WASHINGTON
Tacoma                       47,400          525       05/23/85          50.0
   Phillips Rd. S.W.

WISCONSIN
Madison                      71,000          392       09/18/85          50.0%
   Copps Avenue

         The weighted average occupancy level for the Mini-Warehouse  Properties
remained  stable at 90% in 1999 and 1998. The annual  average  realized rent per
square  foot for the  Mini-Warehouse  Properties  was $8.02 in 1999  compared to
$7.80 in 1998.

         Substantially  all of the  facilities  were acquired  prior to the time
that it was  customary  to conduct  extensive  environmental  investigations  in
connection with the property acquisitions. During the fourth quarter of 1995, an
independent environmental consulting firm completed environmental assessments on
the  Mini-Warehouse  Properties to evaluate the environmental  condition of, and
potential environmental liabilities of such properties. Although there can be no
assurance,  the Partnership is not aware of any  environmental  contamination of
its facilities  which  individually or in the aggregate would be material to the
Partnership's overall business, financial condition, or results of operations.

ITEM 3.  LEGAL PROCEEDINGS.
         ------------------

         No material legal  proceeding is pending against the Partnership or the
Joint Venture.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
         ----------------------------------------------------

         No matters  were  submitted  to a vote of security  holders  during the
fourth quarter of 1999.

                                       9

<PAGE>

                                     PART II

ITEM 5.  MARKET FOR THE PARTNERSHIP'S COMMON EQUITY AND RELATED STOCKHOLDER
         ------------------------------------------------------------------
         MATTERS.
         --------

         The Partnership has no common stock.

         The Units are not listed on any national  securities exchange or quoted
on the NASDAQ System,  and there is no established public trading market for the
Units. Secondary sales activity for the Units has been limited and sporadic. The
General Partners monitor transfers of the Units (a) because the admission of the
transferee as a substitute  limited partner  requires the consent of the General
Partners  under the  Partnership's  Amended and  Restated  Agreement  of Limited
Partnership,  (b) in order to ensure  compliance with safe harbor  provisions to
avoid  treatment  as a "publicly  traded  partnership"  for tax purposes and (c)
because PSI has  purchased  Units.  However,  the  General  Partners do not have
information regarding the prices at which all secondary sale transactions in the
Units have been effectuated.  Various  organizations  offer to purchase and sell
limited  partnership  interests  (including  securities  of the type such as the
Units) in secondary sales transactions. Various publications such as The Stanger
Report  summarize  and  report  information  (on a  monthly,  bimonthly  or less
frequent basis) regarding  secondary sales  transactions in limited  partnership
interests  (including  the Units),  including the prices at which such secondary
sales transactions are effectuated.

         Exclusive of the General Partners'  interest in the Partnership,  as of
December 31, 1999, there were approximately 2,459 record holders of Units.

         In  February  1997,  PSI  completed  a cash  tender  offer,  which  had
commenced  in December  1996,  pursuant to which PSI  acquired a total of 14,787
limited partnership units at $300 per Unit.

         The Partnership  makes quarterly  distributions  of all "Cash Available
for  Distribution"   and  will  make   distributions  of  "Cash  from  Sales  or
Refinancing". Cash Available for Distribution is cash flow from all sources less
cash necessary for any obligations or capital improvements, or reserves.

         Reference is made to Items 6 and 7 hereof for information on the amount
of such distributions.

                                       10

<PAGE>

ITEM 6.  SELECTED FINANCIAL DATA.
         ------------------------

<TABLE>
<CAPTION>
                                                              For the Years Ended December 31,
                                         ------------------------------------------------------------------------
                                            1999            1998            1997           1996            1995
                                         ------------   ------------   ------------   ------------   ------------
                                                           (In thousands, except per Unit data)

<S>                                       <C>            <C>            <C>            <C>            <C>
Total Revenues                            $    3,330     $    3,041     $    2,256     $    1,262     $    1,348

Depreciation and amortization                     69             66             62             61             60

Net income                                     2,974          2,696          1,924            932            992

   Limited partners' share                     2,434          2,471          1,707            626            497

   General partners' share                       540            225            217            306            495

Limited partners'
   per unit data (a)

   Net income (loss)                          $19.02         $19.30         $13.34          $4.89          $3.88

   Cash distributions (b)                     $35.84         $13.92         $13.92         $20.88         $34.10

As of December 31,
- ------------------
Cash and cash  equivalents                $    2,337     $    3,414     $    1,293     $      227     $      212

Total assets                              $   18,404     $   20,524     $   19,853     $   19,831     $   21,915

</TABLE>

(a)      Limited partners' per unit data is based on the weighted average number
         of units outstanding (128,000) during the year.

(b)      The General Partners distributed, concurrent with the distributions for
         the first  quarter of 1999,  a portion of the  Partnership's  operating
         reserve   estimated  to  be  $21.92  per  Unit.  The  General  Partners
         distributed, concurrent with the distributions for the third quarter of
         1995, a portion of the Partnership's  operating reserve estimated to be
         $6.26 per Unit.

                                       11

<PAGE>

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         -----------------------------------------------------------------------
         OF OPERATIONS
         -------------

FORWARD LOOKING STATEMENTS
- --------------------------

         When  used  within  this  document,  the words  "expects,"  "believes,"
"anticipates,"  "should,"  "estimates," and similar  expressions are intended to
identify "forward-looking statements" within the meaning of that term in Section
27A of the  Securities  Exchange Act of 1933, as amended,  and in Section 21F of
the Securities Exchange Act of 1934, as amended. Such forward-looking statements
involve known and unknown risks,  uncertainties,  and other  factors,  which may
cause the actual  results and  performance  of the  Partnership to be materially
different  from those  expressed or implied in the forward  looking  statements.
Such factors include the impact of competition from new and existing real estate
facilities  which could  impact  rents and  occupancy  levels at the real estate
facilities that the Partnership has an interest in; the Partnership's ability to
effectively  compete in the markets that it does  business in; the impact of the
regulatory  environment  as  well  as  national,   state,  and  local  laws  and
regulations including, without limitation, those governing Partnerships; and the
impact of general economic  conditions upon rental rates and occupancy levels at
the real estate facilities that the Partnership has an interest in.

RESULTS OF OPERATIONS
- ---------------------

         YEAR ENDED DECEMBER 31, 1999 COMPARED TO YEAR ENDED DECEMBER 31, 1998:

         The  Partnership's  net  income  was  $2,974,000  in 1999  compared  to
$2,696,000 in 1998, representing an increase of $278,000, or 10.3%. The increase
is due primarily to the  Partnership's  share of an improvement in operations of
the   mini-warehouses   in  which  the   Partnership   has  an   interest   (the
"Mini-Warehouse  Properties"), the  Partnership's  share of increased  operating
results of PSBLP and a decrease in  depreciation  allocated  to the  Partnership
with respect to the joint venture.

         PROPERTY OPERATIONS:  Rental income for the Partnership's  wholly-owned
mini-warehouse  property  was  $306,000  in 1999  compared  to $299,000 in 1998,
representing  an  increase of $7,000,  or 2.3%.  Cost of  operations  (including
management  fees)  increased  $11,000,  or 8.3%,  to  $144,000  during 1999 from
$133,000 in 1998. Accordingly, for the Partnership's wholly-owned mini-warehouse
property,  property net  operating  income  decreased by $4,000,  or 2.4%,  from
$166,000 in 1998 to $162,000 in 1999.

         EQUITY IN EARNINGS OF REAL ESTATE ENTITIES:  Equity in earnings of real
estate  entities was  $2,920,000 in 1999 as compared to $2,608,000  during 1998,
representing an increase of $312,000,  or 12.0%. This increase was due primarily
to the Partnership's  share of improved operating results at the Joint Venture's
mini-warehouse  properties,  the  Partnership's  share of increased  operating
results of PSBLP and a decrease in  depreciation  allocated  to the  Partnership
with respect to the joint venture.

         DEPRECIATION AND AMORTIZATION:  Depreciation and amortization increased
$3,000,  or 4.6%, from $66,000 in 1998 to $69,000 during 1999. This increase was
primarily  attributable to the depreciation of capital  expenditures made during
1998 and 1999.

         YEAR ENDED DECEMBER 31, 1998 COMPARED TO YEAR ENDED DECEMBER 31, 1997:

         The  Partnership's  net  income  was  $2,696,000  in 1998  compared  to
$1,924,000 in 1997, representing an increase of $772,000, or 40.1%. The increase
is due primarily to the  Partnership's  share of an improvement in operations of
the   mini-warehouses   in  which  the   Partnership   has  an   interest   (the
"Mini-Warehouse  Properties")  and a decrease in  depreciation  allocated to the
Partnership with respect to the Joint Venture.

                                       12

<PAGE>

         PROPERTY OPERATIONS:  Rental income for the Partnership's  wholly-owned
mini-warehouse  property  was  $299,000  in 1998  compared  to $267,000 in 1997,
representing  an increase of $32,000,  or 12.0%.  Cost of operations  (including
management  fees)  increased  $6,000,  or 4.7%,  to  $133,000  during  1998 from
$127,000 in 1997. Accordingly, for the Partnership's wholly-owned mini-warehouse
property,  property net operating  income increased by $26,000,  or 18.6%,  from
$140,000 in 1997 to $166,000 in 1998.

         EQUITY IN EARNINGS OF REAL ESTATE ENTITIES:  Equity in earnings of real
estate  entities was  $2,608,000 in 1998 as compared to $1,950,000  during 1997,
representing an increase of $658,000,  or 33.7%. This increase was due primarily
to the Partnership's  share of improved operating results at the Joint Venture's
mini-warehouse  properties,  as  well  as a  decrease  in  depreciation  expense
allocated to the Partnership with respect to the Joint Venture.

         DEPRECIATION AND AMORTIZATION:  Depreciation and amortization increased
$4,000,  or 6.5%, from $62,000 in 1997 to $66,000 during 1998. This increase was
primarily  attributable to the depreciation of capital  expenditures made during
1998.

SUPPLEMENTAL PROPERTY DATA
- --------------------------

         During 1999 and 1998,  a majority of the  Partnership's  net income was
from the  Partnership's  share of the  operating  results of the  Mini-Warehouse
Properties. Therefore, in order to evaluate the Partnership's operating results,
the General  Partners  analyze the operating  performance of the  Mini-Warehouse
Properties.

         YEAR ENDED  DECEMBER 31, 1999  COMPARED TO THE YEAR ENDED  DECEMBER 31,
1998:  Rental income for the  Mini-Warehouse  Properties was $13,130,000 in 1999
compared to $12,827,000  during 1998,  representing an increase of $303,000,  or
2.4%.  The increase in rental  income was  primarily  attributable  to increased
rental rates. The annual average realized rent per square foot was $8.02 in 1999
compared to $7.80 in 1998. The weighted average occupancy levels remained stable
at 90% in  1998  and  1999.  Cost  of  operations  (including  management  fees)
increased $177,000,  or 3.6%, to $5,077,000 during 1999 from $4,900,000 in 1998.
This  increase  was  primarily   attributable   to  increases  in   advertising,
management,  and  property tax  expenses.  Accordingly,  for the  Mini-Warehouse
Properties,  property net operating income increased by $126,000,  or 1.6%, from
$7,927,000 in 1998 to $8,053,000 during 1999.

         YEAR ENDED  DECEMBER 31, 1998  COMPARED TO THE YEAR ENDED  DECEMBER 31,
1997:  Rental income for the  Mini-Warehouse  Properties was $12,827,000 in 1998
compared to $12,160,000  during 1997,  representing an increase of $667,000,  or
5.5%.  The increase in rental  income was  primarily  attributable  to increased
rental rates,  combined with  increased  average  occupancy  levels.  The annual
average  realized  rent per square  foot was $7.80 in 1998  compared to $7.48 in
1997. The weighted average occupancy levels increased from 89% in 1997 to 90% in
1998. Cost of operations  (including  management  fees) increased  $180,000,  or
3.8%,  to  $4,900,000  during 1998 from  $4,720,000  in 1997.  This increase was
primarily attributable to increases in advertising, management, and property tax
expenses. Accordingly, for the Mini-Warehouse Properties, property net operating
income  increased by $487,000,  or 6.5%,  from  $7,440,000 in 1997 to $7,927,000
during 1998.

LIQUIDITY AND CAPITAL RESOURCES
- -------------------------------

         The Partnership has adequate sources of cash to finance its operations,
both on a short-term and a long-term  basis,  primarily by internally  generated
cash from  property  operations  and  distributions  from Real Estate  Entities,
combined with cash on-hand at December 31, 1999 totaling $2,337,000.

         Cash flows from operating activities and distributions from Real Estate
Entities  (totaling  $4,076,000  for the year ended December 31, 1999) have been
sufficient to meet all current  obligations  of the  Partnership.  Total capital
improvements for the Partnership's  wholly-owned property were $3,000,  $14,000,
and $15,000 in 1999, 1998, and 1997, respectively.  During 2000, the Partnership
does not anticipate incurring  significant costs for capital improvements to the
Partnership's wholly-owned property.

                                       13

<PAGE>

         Total  distributions  paid to the  General  Partners  and  the  limited
partners (including per Unit amounts) for 1999 and prior years were as follows:

                                 Total                     Per Unit
                           --------------               --------------
        1999                 $5,150,000                     $35.84
        1998                  2,000,000                      13.92
        1997                  2,000,000                      13.92
        1996                  2,999,000                      20.88
        1995                  4,899,000                      34.10
        1994                  2,816,000                      19.60
        1993                  2,442,000                      17.00
        1992                  2,968,000                      20.66
        1991                  3,607,000                      25.11
        1990                  3,144,000                      21.89
        1989                  3,097,000                      21.56
        1988                  3,769,000                      26.23
        1987                  3,770,000                      26.23
        1986                  3,593,000                      25.00

         During  the  fourth  quarter of 1990,  the  Partnership  made a special
distribution  totaling  $1,077,000 ($7.50 per Unit),  representing cash reserves
held. The General Partners distributed,  concurrently with the distributions for
the fourth  quarter of 1991,  a portion of the  operating  reserve  estimated at
$9.00 per Unit. The General  Partners also  distributed,  concurrently  with the
distributions  for the third quarter of 1995, a portion of the operating reserve
estimated at $6.26 per Unit.  During the first quarter of 1999, the  Partnership
made a special  distribution  of  $3,150,000  ($21.92 per Unit)  representing  a
portion of the operating reserve.  Future distribution levels will be based upon
cash  flows  available  for  distributions   (cash  flows  from  operations  and
distributions from Real Estate Entities less capital  improvements and necessary
cash reserves).

IMPACT OF YEAR 2000
- -------------------

         The Year 2000 Issue arises  because many  computerized  systems use two
digits rather than four to identify a year. Date sensitive systems may recognize
the Year 2000 as 1900 or some other date,  resulting in errors when  information
using Year 2000 dates is processed.  In addition,  similar problems may arise in
some systems which use certain dates in 1999 to represent something other than a
date. Although the change in date to the Year 2000 has occurred and no Year 2000
Issues have been identified,  it is not possible to conclude that all aspects of
the Year 2000  Issue  that may affect the  entity,  including  those  related to
customers, suppliers, or other third parties, have been fully resolved.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT  MARKET RISK.
         ------------------------------------------------------------

         None.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.
         --------------------------------------------

         The Partnership's  financial  statements are included elsewhere herein.
Reference is made to the Index to Financial  Statements and Financial  Statement
Schedules in Item 14(a).

ITEM 9. DISAGREEMENTS ON ACCOUNTING AND FINANCIAL DISCLOSURE.
        -----------------------------------------------------

         None.

                                       14

<PAGE>

                                    PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE PARTNERSHIP.
         ----------------------------------------------------

         The Partnership has no directors or executive officers.

         The  Partnership's  General Partners are PSI and B. Wayne Hughes.  PSI,
acting through its directors and executive  officers,  and Mr. Hughes manage and
make investment decisions for the Partnership. The Mini-Warehouse Properties are
managed by PSI pursuant to a Management  Agreement.  Through 1996,  the business
parks  owned by the Joint  Venture  were  managed  by a  predecessor  of PSBPLP,
pursuant  to  a  Management  Agreement.  In  January  1997,  the  Joint  Venture
transferred its business parks to PSBPLP in exchange for a partnership  interest
in PSBPLP.

         The names of all directors  and executive  officers of PSI, the offices
held by each of them with PSI, and their ages and business experience during the
past five years are as follows:

       Name                              Positions with PSI
- --------------------------     -------------------------------------------------
B. Wayne Hughes                Chairman of the Board and Chief Executive Officer
Harvey Lenkin                  President and Director
Marvin M. Lotz                 Senior Vice President and Director
B. Wayne Hughes, Jr.           Vice President and Director
John Reyes                     Senior Vice President and Chief Financial Officer
Carl B. Phelps                 Senior Vice President
Obren B. Gerich                Senior Vice President
David Goldberg                 Senior Vice President and General Counsel
A. Timothy Scott               Senior Vice President and Tax Counsel
David P. Singelyn              Vice President and Treasurer
Sarah Hass                     Vice President and Secretary
Robert J. Abernethy            Director
Dann V. Angeloff               Director
William C. Baker               Director
Thomas J. Barrack Jr.          Director
Uri P. Harkham                 Director
Daniel C. Staton               Director

         B. Wayne Hughes, age 66, a general partner of the Partnership, has been
a director of PSI since its  organization in 1980 and was President and Co-Chief
Executive  Officer from 1980 until November 1991 when he became  Chairman of the
Board and sole Chief Executive  Officer.  Mr. Hughes has been active in the real
estate  investment field for over 30 years. He is the father of B. Wayne Hughes,
Jr.

         Harvey Lenkin, age 63, has been employed by PSI for 22 years and became
President and a director of PSI in November 1991. Mr. Lenkin has been a director
of PS Business Parks,  Inc.  ("PSBP"),  an affiliated REIT, since March 16, 1998
and was President of PSBP  (formerly  Public  Storage  Properties XI, Inc.) from
1990  until  March 16,  1998.  He is a member of the Board of  Governors  of the
National Association of Real Estate Investment Trusts (NAREIT).

         Marvin M. Lotz,  age 57,  became a director of PSI in May 1999.  He has
had overall responsibility for Public Storage's mini-warehouse  operations since
1988. He became a Senior Vice President of PSI in November 1995. Mr. Lotz was an
officer of PSI with  responsibility  for property  acquisitions  from 1983 until
1988.

         B. Wayne Hughes, Jr., age 40 became director of PSI in January 1998. He
has been  employed  by the  Company  since 1989 and has been a Vice  President -
Acquisitions of PSI since 1992. Mr. Hughes,  Jr. is involved in the coordination

                                       15

<PAGE>

and direction of PSI's acquisition and development activities.  He is the son of
B. Wayne Hughes.

         John Reyes, age 39, a certified public  accountant,  joined PSI in 1990
and was  Controller  of PSI from 1992 until  December  1996 when he became Chief
Financial  Officer.  He became a Vice  President  of PSI in November  1995 and a
Senior Vice President of PSI in December 1996.  From 1983 to 1990, Mr. Reyes was
employed by Ernst & Young.

         Carl B.  Phelps,  age 61,  became a  Senior  Vice  President  of PSI in
January  1998  with  overall   responsibility   for  property   acquisition  and
development.  From June 1991 until joining PSI, he was a partner in the law firm
of  Andrews & Kurth,  L.L.P.,  which  performed  legal  services  for PSI.  From
December 1982 through May 1991, his  professional  corporation  was a partner in
the law firm of Sachs & Phelps, then counsel to PSI.

         Obren B. Gerich, age 61, a certified public accountant, has been a Vice
President of PSI since 1980 and became Senior Vice  President of PSI in November
1995. He was Chief Financial Officer of PSI until November 1991.

         David  Goldberg,  age 50,  joined  PSI's legal  staff in June 1991.  He
became Senior Vice President and General  Counsel of PSI in November 1995.  From
December  1982  until  May  1991,  he was a  partner  in the law firm of Sachs &
Phelps, then counsel to PSI.

         A.  Timothy  Scott,  age 48,  became a Senior  Vice  President  and Tax
Counsel of PSI and Vice President and Tax Counsel of the Public Storage REITs in
November 1996.  From June 1991 until joining PSI, Mr. Scott practiced tax law as
a shareholder of the law firm of Heller,  Ehrman, White & McAuliffe,  counsel to
PSI. Prior to June 1991, his  professional  corporation was a partner in the law
firm of Sachs & Phelps, then counsel to PSI.

         David P.  Singleyn,  age 38, a certified  public  accountant,  has been
employed by PSI since 1989 and became Vice  President  and  Treasurer  of PSI in
November  1995.  From 1987 to 1989,  Mr.  Singelyn was  Controller of Winchell's
Donut Houses, L.P.

         Sarah Hass,  age 44,  became  Secretary  of PSI in February  1992.  She
became  a Vice  President  of PSI in  November  1995.  She  joined  PSI's  legal
department  in June 1991,  rendering  services on behalf of PSI. From 1987 until
May 1991, her professional  corporation was a partner in the law firm of Sachs &
Phelps,  then  counsel to PSI,  and from  April  1986  until June 1987,  she was
associated  with that  firm,  practicing  in the area of  securities  law.  From
September 1979 until  September  1985, Ms. Hass was associated with the law firm
of Rifkind & Sterling, Incorporated.

         Robert J.  Abernethy,  age 60, has been President of American  Standard
Development Company and of Self-Storage  Management  Company,  which develop and
operate mini-warehouses,  since 1976 and 1977,  respectively.  Mr. Abernethy has
been a director  of PSI since its  organization  in 1980.  He is a member of the
board of trustees of Johns Hopkins  University,  a director of Marathon National
Bank and a California  Transportation  Commissioner.  Mr.  Abernethy is a former
member  of the  board  of  directors  of the  Los  Angeles  County  Metropolitan
Transportation  Authority  and  the  Metropolitan  Water  District  of  Southern
California   and  a  former   Planning   Commissioner   and   Telecommunications
Commissioner and former Vice-Chairman of the Economic Development  Commission of
the City of Los Angeles.

         Dann V. Angeloff, age 64, has been President of the Angeloff Company, a
corporate  financial  advisory  firm,  since  1976.  The  Angeloff  Company  has
rendered,  and is  expected  to  continue  to  render,  financial  advisory  and
securities  brokerage services for PSI. Mr. Angeloff is the general partner of a
limited partnership that owns a mini-warehouse operated by PSI and which secures
a note  owned  by PSI.  Mr.  Angeloff  has  been a  director  of PSI  since  its
organization in 1980. He is a director of AremisSoft Corporation, Balboa Capital
Corporation, Compensation Resource Group, Nicholas/Applegate Growth Equity Fund,

                                       16

<PAGE>

ReadyPac Produce, Inc., Royce Medical Company,  topjobs.net plc and WorldxChange
Communications, Inc. He was a director of SPI from 1989 until June 1996.

         William C. Baker,  age 66,  became a director of PSI in November  1991.
From January 1999 until June 1999,  Mr. Baker was President and Chief  Executive
Officer of Los Angeles Turf Club,  Incorporated,  which operates the Santa Anita
Racetrack and is  wholly-owned  subsidiary  of Magna  International  Inc.  Since
August 1998,  he has been  President of Meditrust  Operating  Company,  a paired
share real estate  investment  trust. From November 1997 until December 1998, he
was  Chairman  of the Board  and  Chief  Executive  Officer  of The Santa  Anita
Companies,  Inc., a wholly-owned subsidiary of Meditrust Operating Company which
then operated the Santa Anita  Racetrack.  From August 1996 until November 1997,
he was  Chairman  of the  Board  and  Chief  Executive  Officer  of Santa  Anita
Operating  Company and Chairman of the Board of Santa Anita Realty  Enterprises,
Inc.,  the companies  which were merged with  Meditrust in November  1997.  From
April 1993 through May 1995, Mr. Baker was President of Red Robin International,
Inc.,  an operator and  franchiser of casual  dining  restaurants  in the United
States and Canada.  From January 1992 through  December 1995 he was Chairman and
Chief Executive Officer of Carolina Restaurant  Enterprises,  Inc., a franchisee
of Red Robin  International,  Inc. Since 1991, he has been Chairman of the Board
of Coast Newport Properties, a real estate brokerage company. From 1976 to 1988,
he was a principal  shareholder and Chairman and Chief Executive  Officer of Del
Taco,  Inc., an operator and franchiser of fast food  restaurants in California.
Mr.  Baker is a director  of  Callaway  Golf  Company  and  Meditrust  Operating
Company.

         Thomas J.  Barrack,  Jr., age 52,  became a director of PSI in February
1998.  Mr. Barrack has been the Chairman and Chief  Executive  Officer of Colony
Capital, Inc. since September,  1991. Colony Capital, Inc. is one of the largest
real estate investors in America, having acquired properties in the U.S., Europe
and Asia. Prior to founding Colony Capital, Inc., from 1987 to 1991, Mr. Barrack
was a principal with the Robert M. Bass Group,  Inc.,  the principal  investment
vehicle for Robert M. Bass of Fort Worth,  Texas. From 1985 to 1987, Mr. Barrack
was President of Oxford Ventures, Inc., a Canadian-based real estate development
company.  From  1984 to 1985 he was a  Senior  Vice  President  at E. F.  Hutton
Corporate  Finance in New York.  Mr.  Barrack was appointed by President  Ronald
Reagan as Deputy Under  Secretary at the U.S.  Department  of the Interior  from
1982 to 1983. Mr. Barrack currently is a director of Continental Airlines,  Inc.
and Kennedy-Wilson, Inc.

         Uri P.  Harkham,  age 51,  became a director of PSI in March 1993.  Mr.
Harkham  has been the  President  and Chief  Executive  Officer of the  Jonathan
Martin  Fashion  Group,  which  specializes  in  designing,   manufacturing  and
marketing  women's  clothing,  since its  organization in 1976.  Since 1978, Mr.
Harkham has been the Chairman of the Board of Harkham Properties,  a real estate
firm specializing in buying and managing fashion warehouses in Los Angeles.

         Daniel C. Staton, age 47, became a director of PSI on March 12, 1999 in
connection  with the merger of Storage  Trust Realty,  a real estate  investment
trust,  with PSI.  Mr.  Staton was  Chairman of the Board of Trustees of Storage
Trust  Realty from  February  1998 until March 12, 1999 and a Trustee of Storage
Trust Realty from  November 1994 until March 12, 1999. He is President of Walnut
Capital Partners,  an investment and venture capital company. Mr. Staton was the
Chief Operating Officer and Executive Vice President of Duke Realty Investments,
Inc. from 1993 to 1997 and a director of Duke Realty Investments, Inc. from 1993
until August 1999.  From 1981 to 1983, Mr. Staton was a principal  owner of Duke
Associates,  the predecessor of Duke Realty  Investments,  Inc. Prior to joining
Duke  Associates in 1981, he was a partner and general manager of his own moving
company,  Gateway Van & Storage, Inc. in St. Louis, Missouri. Form 1986 to 1988,
Mr. Staton served as president of the Greater Cincinnati Chapter of the National
Association of Industrial and Office Parks.

         Pursuant to Articles 16 and 17 of the Partnership's Amended Certificate
and Agreement of Limited  Partnership (the "Partnership  Agreement"),  a copy of
which is included in the Partnership's  prospectus included in the Partnership's
Registration Statement, File No. 2-92009, each of the General Partners continues
to serve until (i) death, insanity, insolvency,  bankruptcy or dissolution, (ii)
withdrawal  with the consent of the other general partner and a majority vote of
the  limited  partners,  or (iii)  removal  by a  majority  vote of the  limited
partners.

                                       17

<PAGE>

         Each  director of PSI serves until he resigns or is removed from office
by PSI,  and may  resign or be removed  from  office at any time with or without
cause. Each officer of PSI serves until he resigns or is removed by the board of
directors  of PSI.  Any such officer may resign or be removed from office at any
time with or without cause.

         There  have  been no events  under  any  bankruptcy  act,  no  criminal
proceedings,  and no judgments or injunctions  material to the evaluation of the
ability of any director or executive officer of PSI during the past five years.

ITEM 11. EXECUTIVE COMPENSATION.
         -----------------------

         The Partnership has no subsidiaries, directors or officers. See Item 13
for a  description  of certain  transactions  between  the  Partnership  and the
General Partners and their affiliates.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.
         ---------------------------------------------------------------

         At January 1, 2000, PSI beneficially owned more than 5% of the Units of
the Partnership:

    Title                                             Amount of         Percent
     of                 Name and Address of           Beneficial          of
    Class                Beneficial Owner             Ownership          Class
- ----------------    --------------------------    ------------------    -------
Units of Limited     Public Storage, Inc.
Partnership          701 Western Avenue
Interest             Glendale, CA  91201-2394      72,303 Units (1)      56.49%

- ----------

(1)      These   Units  are  held  of  record  by  SEI   Arlington   Acquisition
         Corporation, a wholly-owned subsidiary of PSI.

         The  Partnership  is not aware of any other  beneficial  owners of more
than 5% of the Units.

         In  February  1997,  PSI  completed  a cash  tender  offer,  which  had
commenced  in December  1996,  pursuant to which PSI  acquired a total of 14,787
limited partnership units at $300 per unit.

         (b) The Partnership has no officers and directors.

         The   General   Partners   (or  their   predecessor-in-interest)   have
contributed  $646,000 to the capital of the  Partnership  representing 1% of the
aggregate capital contributions and as a result participate in the distributions
to the limited partners and in the Partnership's  profits and losses in the same
proportion that the general  partners' capital  contribution  bears to the total
capital  contribution.  Information  regarding  ownership of the Units by PSI, a
General  Partner,  is set forth  under  section  (a) above.  The  directors  and
executive officers of PSI, as a group, do not own any Units.

         (c) The Partnership knows of no contractual arrangements, the operation
of the terms of which may at a subsequent  date result in a change in control of
the  Partnership,  except  for  articles  16,  17 and 21.1 of the  Partnership's
Amended  Certificate  and Agreement of Limited  Partnership,  a copy of which is
included  in  the  Partnership's   prospectus   included  in  the  Partnership's
Registration  Statement File No. 2-92009.  Those articles provide, in substance,
that the limited  partners  shall have the right,  by majority vote, to remove a
general  partner and that a general  partner may designate a successor  with the
consent of the other general partner and a majority of the limited partners.

                                       18

<PAGE>

         The  Partnership  owns  interests in 33 properties  (which  exclude the
properties  transferred  to PSBPLP in January 1997);  32 of such  properties are
held in a general  partnership  comprised of the  Partnership and PSI. Under the
terms of the partnership  agreement relating to the ownership of the properties,
PSI has the  right to compel a sale of each  property  at any time  after  seven
years from the date of acquisition at not less than its independently determined
fair market value provided the  Partnership  receives its share of the net sales
proceeds  solely in cash. As of December 31, 1999,  PSI has the right to require
the Partnership to sell all of the Joint Venture's properties on these terms.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.
         -----------------------------------------------

         The Partnership  Agreement provides that the General Partners and their
affiliates are entitled to the following compensation:

         1. Incentive distributions equal to 10% of Cash Flow from Operations.

         2. Provided the limited partners have received  distributions  equal to
            100%  of  their  investment  plus  a  cumulative  8% per  year  (not
            compounded) on their investment (reduced by distributions other than
            from   Cash   Flow   from   Operations),    subordinated   incentive
            distributions   equal  to  15%  of  remaining  Cash  from  Sales  or
            Refinancings.

         3. Provided the limited partners have received  distributions  equal to
            100% of their  capital  contributions  plus a cumulative 6% per year
            (not compounded) on their investment (reduced by distributions other
            than  distributions  from  Cash  Flow  from  Operations),  brokerage
            commissions  at the lesser of 3% of the sales price of a property or
            50% of a competitive commission.

         During  1999,  approximately  $515,000  was paid to PSI with respect to
items 1, 2, and 3 above. The Partnership owns interests in 33 properties  (which
exclude  the  properties  transferred  to PSBPLP in  January  1997);  32 of such
properties are held in a general  partnership  comprised of the  Partnership and
PSI.

         The Partnership and the Joint Venture have a Management  Agreement with
PSI pursuant to which the  Partnership and the Joint Venture pay PSI a fee of 6%
of the gross revenues of the mini-warehouse  spaces operated for the Partnership
and the Joint Venture.  During 1999, the  Partnership and the Joint Venture paid
fees of $789,000 to PSI pursuant to the Management Agreement.

         Through  1996,  the Joint  Venture  business  parks  were  managed by a
predecessor of PSBPLP pursuant to a Management  Agreement which provides for the
payment  of a fee by  the  Joint  Venture  of 5% of the  gross  revenues  of the
commercial  space  operated for the Joint  Venture.  In January 1997,  the Joint
Venture  and  PSI and  other  related  partnerships  transferred  a total  of 35
business  parks to PSBPLP,  an operating  partnership  formed to own and operate
business  parks in which  PSI has a  significant  interest.  Included  among the
properties transferred were the Joint Venture's business parks in exchange for a
partnership  interest in PSBPLP.  The  general  partner of PSBPLP is PS Business
Parks, Inc., a REIT traded on the American Stock Exchange.

                                       19

<PAGE>

                                     PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
         ----------------------------------------------------------------

(a)      List of Documents filed as part of the Report.

         1. Financial   Statements:   See  Index  to  Financial  Statements  and
            Financial Statement Schedules.

         2. Financial Statement Schedules: See Index to Financial Statements and
            Financial Statement Schedules.

         3. Exhibits: See Exhibit Index contained herein.

(b)      Reports on Form 8-K:

         None

(c)      Exhibits:  See Exhibit Index contained herein.

                                       20

<PAGE>

                              PS PARTNERS IV, LTD.
                                INDEX TO EXHIBITS


3.1      Amended  Certificate and Agreement of Limited  Partnership.  Previously
         filed with the Securities  and Exchange  Commission as Exhibit A to the
         Partnership's Prospectus included in Registration Statement No. 2-92009
         and incorporated herein by reference.

10.1     Second  Amended and Restated  Management  Agreement  dated November 16,
         1995,  between the  Partnership  and Public  Storage  Management,  Inc.
         Previously  filed with the  Securities  and Exchange  Commission  as an
         exhibit to PS Partners,  Ltd.'s Annual Report on Form 10-K for the year
         ended December 31, 1996 and incorporated herein by reference.

10.2     Amended  Management  Agreement  dated February 21, 1995 between Storage
         Equities,  Inc. and Public Storage  Commercial  Properties  Group, Inc.
         Previously  filed with the  Securities  and Exchange  Commission  as an
         exhibit to the  Partnership's  Annual  Report on Form 10-K for the year
         ended December 31, 1994 and incorporated herein by reference.

10.3     Participation  Agreement  dated as of December 26, 1984,  among Storage
         Equities, Inc., the Partnership,  Public Storage, Inc., B. Wayne Hughes
         and  Kenneth Q. Volk,  Jr.  Previously  filed with the  Securities  and
         Exchange  Commission  as an exhibit to Storage  Equities,  Inc.  Annual
         Report  on  Form  10-K  for  the  year  ended  December  31,  1984  and
         incorporated herein by reference.

27       Financial data schedule. Filed herewith.

                                       21

<PAGE>

                                   SIGNATURES

         Pursuant to the  requirements  of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the  Partnership  has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.

                               PS PARTNERS IV, LTD.
Dated:   March 28, 2000        By:   Public Storage, Inc., General Partner

                                     By:  /s/ B. Wayne Hughes
                                          -------------------
                                          B. Wayne Hughes, Chairman of the Board

                                By:  /s/ B. Wayne Hughes
                                     -------------------
                                     B. Wayne Hughes, General Partner

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report has been  signed  below by the  following  persons on behalf of the
Partnership in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
       Signature                                   Capacity                                   Date
- -------------------------      ---------------------------------------------------      ----------------
<S>                             <C>                                                      <C>
/s/ B. Wayne Hughes             Chairman of the Board and Chief                          March 28, 2000
- -------------------------       Executive Officer of Public Storage, Inc. and
B. Wayne Hughes                 General Partner (principal executive officer)


/s/ Harvey Lenkin               President and Director                                   March 28, 2000
- -------------------------       of Public Storage, Inc.
Harvey Lenkin

/s/ Marvin M. Lotz              Senior Vice President and Director                       March 28, 2000
- -------------------------       of Public Storage, Inc.
Marvin M. Lotz

/s/ B. Wayne Hughes, Jr.        Vice President and Director                              March 28, 2000
- -------------------------       of Public Storage, Inc.
B. Wayne Hughes, Jr.

/s/ John Reyes                  Senior Vice President and Chief Financial Officer        March 28, 2000
- -------------------------       of Public Storage, Inc. (principal financial
John Reyes                      officer and principal accounting officer)


/s/ Robert J. Abernethy         Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
Robert J. Abernethy

/s/ Dann V. Angeloff            Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
Dann V. Angeloff

                                Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
William C. Baker

                                Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
Thomas J. Barrack, Jr.

/s/ Uri P. Harkham              Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
Uri P. Harkham

/s/ Daniel C. Staton            Director of Public Storage, Inc.                         March 28, 2000
- -------------------------
Daniel C. Staton

</TABLE>

                                       22

<PAGE>

                              PS PARTNERS IV, LTD.

                          INDEX TO FINANCIAL STATEMENTS
                        AND FINANCIAL STATEMENT SCHEDULES

                                  (Item 14 (a))

                                                                        Page
                                                                     References
PS PARTNERS IV, LTD.
     Report of Independent Auditors                                      F-1
     Financial Statements and Schedule:
       Balance  Sheets as of December  31, 1999 and 1998                 F-2
       For the years ended December 31, 1999, 1998 and 1997:
         Statements of Income                                            F-3
         Statements of Partners' Equity                                  F-4
         Statements of Cash Flows                                        F-5
       Notes to Financial Statements                                  F-6 - F-10
     Schedule
         Schedule III - Real Estate and Accumulated Depreciation     F-11 - F-12

Financial  Statements of 50 percent or less owned persons  required  pursuant to
Rule 3-09:

     PS BUSINESS PARKS,  INC. - PS Business Parks, Inc. is a registrant with the
     Securities and Exchange  Commission and its filings can be accessed through
     the Securities and Exchange Commission.

     SEI/PSP IV JOINT VENTURES
         Report of Independent Auditors                                  F-13
         Financial Statements:
         Balance Sheets as of December 31, 1999 and 1998                 F-14
           For the years ended December 31, 1999, 1998 and 1997:
             Statements of Income                                        F-15
             Statements of Partners' Equity                              F-16
             Statements of Cash Flows                                F-17 - F-18
         Notes to Financial Statements                               F-19 - F-22
         Schedule
             Schedule III - Real Estate and Accumulated Depreciation F-23 - F-25


         All other schedules have been omitted since the required information is
not present or not present in amounts  sufficient  to require  submission of the
schedule,  or because the  information  required  is  included in the  financial
statements or the notes thereto.

                                       23

<PAGE>

                         Report of Independent Auditors



The Partners
PS Partners IV, Ltd.

We have  audited the balance  sheets of PS Partners  IV, Ltd. as of December 31,
1999 and 1998 and the related  statements of income,  partners' equity, and cash
flows for each of the three years in the period ended  December  31,  1999.  Our
audits also included the  financial  statement  schedule  listed in the Index at
Item 14(a).  These financial  statements and schedule are the  responsibility of
the  Partnership's  management.  Our  responsibility is to express an opinion on
these financial statements and schedule based on our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States. Those standards require that we plan and perform the audit
to obtain reasonable  assurance about whether the financial  statements are free
of material misstatement. An audit includes examining, on a test basis, evidence
supporting  the amounts and  disclosures in the financial  statements.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all  material  respects,  the  financial  position  of PS  Partners  IV, Ltd. at
December 31, 1999 and 1998, and the results of its operations and its cash flows
for each of the three years in the period ended  December 31, 1999 in conformity
with accounting principles generally accepted in the Unites States. Also, in our
opinion,  the related financial statement schedule,  when considered in relation
to the  basic  financial  statements  taken as a whole,  presents  fairly in all
material respects the information set forth therein.






                                                               ERNST & YOUNG LLP



February 14, 2000
Los Angeles, CA

                                      F-1

<PAGE>

                              PS PARTNERS IV, LTD.
                                 BALANCE SHEETS
                           December 31, 1999 and 1998

<TABLE>
<CAPTION>
                                                                       1999                1998
                                                                ---------------------------------------

                                     ASSETS


<S>                                                                <C>                 <C>
Cash and cash equivalents                                          $     2,337,000     $     3,414,000

Rent and other receivables                                                   2,000               2,000

Real estate facility, at cost:
     Land                                                                  101,000             101,000
     Buildings and equipment                                             1,537,000           1,534,000
                                                                ---------------------------------------
                                                                         1,638,000           1,635,000

     Less accumulated depreciation                                        (716,000)           (647,000)
                                                                ---------------------------------------
                                                                           922,000             988,000

Investment in real estate entities                                      15,140,000          16,115,000

Other assets                                                                 3,000               5,000

                                                                ---------------------------------------
                                                                   $    18,404,000     $    20,524,000
                                                                =======================================


                        LIABILITIES AND PARTNERS' EQUITY


Accounts payable                                                   $       178,000     $       122,000

Advance payments from renters                                               12,000              12,000

Partners' equity:
     Limited partners' equity, $500 per unit, 128,000
         units authorized, issued and outstanding                       17,949,000          20,103,000
     General partner's equity                                              265,000             287,000

                                                                ---------------------------------------
         Total partners' equity                                         18,214,000          20,390,000

                                                                ---------------------------------------
                                                                   $    18,404,000     $    20,524,000
                                                                =======================================
</TABLE>
                          See accompanying footnotes.
                                      F-2

<PAGE>

                              PS PARTNERS IV, LTD.
                              STATEMENTS OF INCOME
              For the years ended December 31, 1999, 1998, and 1997

<TABLE>
<CAPTION>
                                                                    1999                 1998                1997
                                                             ------------------------------------------------------------

REVENUE:

<S>                                                              <C>                 <C>                  <C>
Rental income                                                    $      306,000      $      299,000       $      267,000
Equity in earnings of real estate entities                            2,920,000           2,608,000            1,950,000
Interest income                                                         104,000             134,000               39,000
                                                             ------------------------------------------------------------
                                                                      3,330,000           3,041,000            2,256,000
                                                             ------------------------------------------------------------

COSTS AND EXPENSES:

Cost of operations                                                      126,000             115,000              111,000
Management fees                                                          18,000              18,000               16,000
Depreciation and amortization                                            69,000              66,000               62,000
Administrative                                                          143,000             146,000              143,000
                                                             ------------------------------------------------------------
                                                                        356,000             345,000              332,000
                                                             ------------------------------------------------------------

NET INCOME                                                       $    2,974,000      $    2,696,000       $    1,924,000
                                                             ============================================================

Limited partners' share of net income
     ($19.02, $19.30, and $13.34 per unit in
     1999, 1998, and 1997, respectively)                         $    2,434,000      $    2,471,000       $    1,707,000
General partners' share of net income                                   540,000             225,000              217,000
                                                              ------------------------------------------------------------

                                                                 $    2,974,000      $    2,696,000       $    1,924,000
                                                              ============================================================
</TABLE>
                          See accompanying footnotes.
                                      F-3

<PAGE>

                              PS PARTNERS IV, LTD.
                         STATEMENTS OF PARTNERS' EQUITY
              For the years ended December 31, 1999, 1998, and 1997


<TABLE>
<CAPTION>
                                                    Limited              General
                                                    Partners            Partners             Total
                                              ------------------------------------------------------------

<S>                                             <C>                  <C>                 <C>
Balances at December 31, 1996                   $      19,490,000    $         280,000   $     19,770,000

Net income                                              1,707,000              217,000           1,924,000

Distributions                                          (1,783,000)            (217,000)         (2,000,000)
                                              ------------------------------------------------------------

Balances at December 31, 1997                          19,414,000              280,000          19,694,000

Net income                                              2,471,000              225,000           2,696,000

Distributions                                          (1,782,000)            (218,000)         (2,000,000)
                                              ------------------------------------------------------------

Balances at December 31, 1998                          20,103,000              287,000          20,390,000

Net income                                              2,434,000              540,000           2,974,000

Distributions                                          (4,588,000)            (562,000)         (5,150,000)
                                              ------------------------------------------------------------

Balances at December 31, 1999                    $     17,949,000     $        265,000   $      18,214,000
                                              ============================================================

</TABLE>

                          See accompanying footnotes.
                                      F-4

<PAGE>

                              PS PARTNERS IV, LTD.
                            STATEMENTS OF CASH FLOWS
              For the years ended December 31, 1999, 1998, and 1997


<TABLE>
<CAPTION>
                                                                       1999                1998                1997
                                                                ------------------------------------------------------------

CASH FLOWS FROM OPERATING ACTIVITIES:

     <S>                                                           <C>                 <C>                <C>
     Net income                                                    $     2,974,000     $     2,696,000    $     1,924,000

     Adjustments to reconcile net income to net cash
        provided by operating activities

        Depreciation and amortization                                       69,000              66,000             62,000
        Decrease in rent and other receivables                                   -                   -             13,000
        Decrease in other assets                                             2,000                   -             10,000
        Increase (decrease) in accounts payable                             56,000             (25,000)            99,000
        Decrease in advance payments from renters                                -                   -             (1,000)
        Equity in earnings of real estate entities                      (2,920,000)         (2,608,000)        (1,950,000)
                                                                ------------------------------------------------------------

        Total adjustments                                               (2,793,000)         (2,567,000)        (1,767,000)
                                                                ------------------------------------------------------------

           Net cash provided by operating activities                       181,000             129,000            157,000
                                                                ------------------------------------------------------------

CASH FLOWS PROVIDED BY INVESTING ACTIVITIES:

        Distributions from real estate entities                          3,895,000           4,006,000          2,924,000
        Additions to real estate facility                                   (3,000)            (14,000)           (15,000)
                                                                ------------------------------------------------------------

           Net cash provided by investing activities                     3,892,000           3,992,000          2,909,000
                                                                ------------------------------------------------------------

CASH FLOWS USED IN FINANCING ACTIVITIES:

        Distributions to partners                                       (5,150,000)         (2,000,000)        (2,000,000)
                                                                ------------------------------------------------------------

           Net cash used in financing activities                        (5,150,000)         (2,000,000)        (2,000,000)
                                                                ------------------------------------------------------------

Net (decrease) increase in cash and cash equivalents                    (1,077,000)          2,121,000          1,066,000

Cash and cash equivalents at the beginning of the period                 3,414,000           1,293,000            227,000
                                                                ------------------------------------------------------------

Cash and cash equivalents at the end of the period                 $     2,337,000     $     3,414,000    $     1,293,000
                                                                ============================================================
</TABLE>
                          See accompanying footnotes.
                                      F-5

<PAGE>

                              PS PARTNERS IV, LTD.
                          NOTES TO FINANCIAL STATEMENTS
                                DECEMBER 31, 1999

1.       Summary of Significant Accounting Policies and Partnership Matters
         ------------------------------------------------------------------

         Description of Partnership
         --------------------------

                  PS Partners IV, Ltd. (the  "Partnership")  was formed with the
         proceeds of an interstate  public  offering.  PSI  Associates  II, Inc.
         ("PSA"), an affiliate of Public Storage Management, Inc., organized the
         Partnership along with B. Wayne Hughes  ("Hughes").  In September 1993,
         Storage  Equities,  Inc.,  now known as  Public  Storage  Inc.  ("PSI")
         acquired the interest of PSA  relating to its general  partner  capital
         contribution  in the  Partnership  and was  substituted as a co-general
         partner in place of PSA.

                  In 1995,  there was a series of mergers  among Public  Storage
         Management, Inc. (which was the Partnership's mini-warehouse operator),
         Public  Storage,  Inc.  and their  affiliates  (collectively,  "PSMI"),
         culminating in the November 16, 1995 merger (the "PSMI Merger") of PSMI
         into Storage Equities,  Inc. In the PSMI Merger, Storage Equities, Inc.
         was renamed Public Storage,  Inc. and it acquired  substantially all of
         PSMI's United States real estate  operations and became the operator of
         the mini-warehouse properties in which the Partnership has an interest.

                  The  Partnership  has  invested  in  existing   mini-warehouse
         storage facilities which offer  self-service  storage spaces for lease,
         usually on a  month-to-month  basis,  to the  general  public and, to a
         lesser  extent,  in  existing  business  park  facilities  which  offer
         industrial and office space for lease.

                  The Partnership has ownership interests in 33 properties in 15
         states (collectively  referred to as the "Mini-Warehouse  Properties"),
         which exclude three properties  transferred to PS Business Parks,  L.P.
         ("PSBPLP") in January 1997. 32 of the  properties  are owned by SEI/PSP
         IV Joint Ventures (the "Joint Venture"),  a general partnership between
         the  Partnership  and PSI.  The  Partnership  is the  managing  general
         partner  of  the  Joint  Venture,   with  ownership  interests  in  the
         individual properties of the Joint Venture ranging from 49.8% to 50.9%.

                  As used hereinafter, the Joint Venture and PSBPLP are referred
         to as the "Real Estate Entities."

         Basis of Presentation
         ---------------------

                  The   financial   statements   include  the  accounts  of  the
         Partnership.  The accounts of the Joint Venture,  which the Partnership
         does not control,  are not  consolidated  with the  Partnership and the
         Partnership's  interest in the Joint  Venture is  accounted  for on the
         equity method.

                  The Partnership does not control the Joint Venture because PSI
         has  significant  control  rights with respect to the management of the
         properties,  including the right to compel the sale of each property in
         the Joint  Venture and the right to require the  Partnership  to submit
         operating budgets.

                  Under the terms of the general  partnership  agreement  of the
         Joint Venture all depreciation  and  amortization  with respect to each
         property  is  allocated  solely to the  Partnership  until the  limited
         partners recover their initial capital  contribution.  Thereafter,  all
         depreciation  and  amortization  is  allocated  solely  to PSI until it
         recovers its initial capital contribution.  All remaining  depreciation
         and  amortization is allocated to the Partnership and PSI in proportion
         to their ownership percentages.

                  Under the  terms of the  partnership  agreements,  PSI has the
         right to compel the sale of each  property in the general  partnerships
         at any time after seven years from the date of  acquisition at not less
         than its  independently  determined  fair  market  value  provided  the
         Partnership  receives  its  share of the net  proceeds  solely in cash.
         PSI's right to require the  Partnership  to sell all of the  properties
         owned jointly with the Partnership has been  exercisable in all periods
         presented.

                                       F-6

<PAGE>

1.       Summary of Significant Accounting Policies and Partnership Matters
         ------------------------------------------------------------------
         (Continued)
         -----------

                  Under the terms of the general  partnership  agreement  of the
         Joint  Venture,   for  property   acquisitions   in  which  PSI  issued
         convertible securities to the sellers for its interest, PSI's rights to
         receive  cash flow  distributions  from the  partnerships  for any year
         after  the  first  year  of   operation   are   subordinated   to  cash
         distributions to the Partnership equal to a cumulative annual 7% of its
         cash investment (not  compounded).  These  agreements also specify that
         upon sale or  refinancing  of a  property  for more  than its  original
         purchase price,  distribution of proceeds to PSI is subordinated to the
         return to the  Partnership of the amount of its cash investment and the
         7% distribution described above.

         Depreciation and amortization
         -----------------------------

                  The Partnership and the Joint Venture depreciate the buildings
         and equipment on a straight-line  method over estimated useful lives of
         25 and 5 years, respectively.  Leasing commissions relating to business
         park properties are expensed when incurred.

         Revenue Recognition
         -------------------

                  Property rents are recognized as earned.

         Allocation of Net Income or Loss
         --------------------------------

                  The General  Partners' share of net income or loss consists of
         an  amount  attributable  to  their  1%  capital  contribution  and  an
         additional  percentage  of cash  flow  (as  defined,  see Note 4) which
         relates to the General  Partners'  share of cash  distributions  as set
         forth in the Partnership Agreement. All remaining net income or loss is
         allocated to the limited partners.

         Per Unit Data
         -------------

                  Per unit data is based on the  number of  limited  partnership
         units (128,000) outstanding during the year.

         Cash Distributions
         ------------------

                  The Partnership Agreement provides for quarterly distributions
         of cash flow from operations (as defined).  Cash distributions per unit
         were $35.84, $13.92, and $13.92 for 1999, 1998, and 1997, respectively.

         Cash and Cash Equivalents
         -------------------------

                  For financial  statement purposes,  the Partnership  considers
         all highly liquid investments purchased with a maturity of three months
         or less to be cash equivalents.

                                      F-7

<PAGE>

1.       Summary of Significant Accounting Policies and Partnership Matters
         ------------------------------------------------------------------
         (Continued)
         -----------

         Environmental Cost
         ------------------

                  Substantially  all of the real estate  facilities in which the
         Partnership has an interest were acquired prior to the time that it was
         customary  to  conduct   extensive   environmental   investigations  in
         connection with the property acquisitions. During the fourth quarter of
         1995,  an   independent   environmental   consulting   firm   completed
         environmental   assessments   on  all  the   properties  in  which  the
         Partnership has an interest to evaluate the environmental condition of,
         and potential  environmental  liabilities of such properties.  Although
         there  can  be no  assurance,  the  Partnership  is  not  aware  of any
         environmental  contamination  of the  Mini-Warehouse  Properties  which
         individually or in the aggregate would be material to the Partnership's
         overall business, financial condition, or results of operations.

         Segment Reporting
         -----------------

                  Effective  January 1, 1998, the  Partnership  adopted SFAS No.
         131,   "Disclosure   about   Segments  of  an  Enterprise  and  Related
         Information."  SFAS No. 131  established  standards  for the way public
         business  enterprises  report  information about operating  segments in
         annual financial  statements and requires that those enterprises report
         selected  information  about  operating  segments in interim  financial
         reports.   SFAS  No.  131  also   establishes   standards  for  related
         disclosures  about  products and services,  geographic  areas and major
         customers.  The Partnership only has one reportable  segment as defined
         within  SFAS No.  131,  therefore  the  adoption of SFAS No. 131 had no
         effect on the Partnership's disclosures.

         Use of Estimates
         ----------------

                  The preparation of the financial statements in conformity with
         accounting  principles generally accepted in the United States requires
         management to make  estimates and  assumptions  that affect the amounts
         reported in the financial  statements and  accompanying  notes.  Actual
         results could differ from those estimates.

         Derivatives
         -----------

                  In June 1998, the Financial  Accounting Standards Board issued
         Statement No. 133,  Accounting for Derivative  Instruments  and Hedging
         Activities,  which is required to be adopted in years  beginning  after
         June 15, 2000.  Management does not anticipate that the adoption of the
         new  Statement  will  have a  significant  effect  on  earnings  or the
         financial position of the Partnership.

2.       Real Estate Facilities
         ----------------------

                  In 1995,  the  Financial  Accounting  Standards  Board  issued
         Statement of Financial  Accounting Standards No. 121 ("Statement 121"),
         "Accounting for the Impairment of Long-Lived  Assets and for Long-Lived
         Assets to be Disposed of." Statement 121 requires  impairment losses to
         be recorded on long-lived  assets used in operations when indicators of
         impairment are present and the undiscounted  cash flows estimated to be
         generated  by those assets are less than the assets'  carrying  amount.
         Statement 121 also  addresses the method of accounting  for  long-lived
         assets  that are  expected  to be  disposed.  The  Partnership  adopted
         Statement 121 in 1996 and the adoption had no effect.

                                      F-8

<PAGE>

2.       Real Estate Facilities (Continued)
         ----------------------------------

                  In January 1997,  the  Partnership,  the Joint Venture and PSI
         and other related partnerships transferred a total of 35 business parks
         to PSBLP, an operating  partnership  formed to own and operate business
         parks in which  PSI has a  significant  interest.  Included  among  the
         properties  transferred were the  Partnership's and the Joint Venture's
         business  parks in exchange for a partnership  interest in PSBPLP.  The
         general partner of PSBPLP is PS Business Parks, Inc. ("PSBP").

3.       Investment in Real Estate Entities
         ----------------------------------

                 During  1999,  1998,  and  1997,  the  Partnership   recognized
         earnings from the Real Estate  Entities of  $2,920,000,  $2,608,000 and
         $1,950,000,  respectively,  and received  cash  distributions  totaling
         $3,895,000,  $4,006,000,  and  $2,924,000,  respectively  from the Real
         Estate Entities.

                  The  accounting  policies  of the  Real  Estate  Entities  are
         similar to that of the Partnership.  Summarized combined financial data
         with respect to the Real Estate Entities are as follows:

                                                        1999            1998
                                                    ------------    ------------
For the year ended December 31,
    Total revenues                                  $142,407,000    $103,647,000
    Minority interest in income                       16,110,000      11,208,000
    Net income                                        47,604,000      35,731,000

At December 31,
    Total assets, net of accumulated depreciation   $958,981,000    $765,906,000
    Total liabilities                                 59,331,000      67,569,000
    Total minority interest                          289,949,000     153,015,000
    Total equity                                     609,701,000     545,322,000

                 The increase in the size of the combined financial position and
         operating  results,  respectively,  of the Real Estate Entities for the
         year ended December 31, 1999 and at December 31, 1999, respectively, as
         compared  to prior  periods,  is the  result of  additional  properties
         acquired by PSBPLP during 1998 and 1999.

                 Financial  statements  of the Joint  Venture are filed with the
         Partnership's  Form 10-K for 1999, in Item 14. PS Business Parks,  Inc.
         is a registrant  with the Securities and Exchange  Commission,  and its
         filings can be accessed through the Securities and Exchange Commission.

4.       General Partners' Equity
         ------------------------

                  The General Partners have a 1% interest in the Partnership. In
         addition,   the  General   Partners   have  a  10%   interest  in  cash
         distributions  attributable to operations,  exclusive of  distributions
         attributable to sales and financing proceeds.

                  Proceeds  from  sales  and  refinancings  will be  distributed
         entirely to the limited  partners  until the limited  partners  recover
         their  investment plus a cumulative 8% annual return (not  compounded);
         thereafter,  the General  Partners  have a 15%  interest  in  remaining
         proceeds.

                                      F-9

<PAGE>

5.       Related Party Transactions
         --------------------------

                  The  Partnership  has a management  agreement with PSI whereby
         PSI operates the Mini-Warehouse Properties for a fee equal to 6% of the
         facilities' monthly gross revenue (as defined).

                  In January 1997,  the Joint Venture  transferred  its business
         park  facilities  to PSBPLP in exchange for a  partnership  interest in
         PSBPLP. PSI has a significant economic interest in PSBPLP.

6.       Leases
         ------

                  The   Partnership   has   invested   primarily   in   existing
         mini-warehouse  storage  facilities  which offer  self-service  storage
         spaces  for lease to the  general  public.  Leases  for such  space are
         usually on a month-to-month basis.

7.       Taxes Based on Income
         ---------------------

                  Taxes based on income are the responsibility of the individual
         partners and,  accordingly,  the Partnership's  financial statements do
         not reflect a provision for such taxes.

                  Unaudited taxable net income was $3,615,000,  $2,865,000,  and
         $4,980,000  for the years ended  December  31,  1999,  1998,  and 1997,
         respectively.  The difference between taxable income and book income is
         primarily related to timing differences in depreciation expense.

                                      F-10

<PAGE>

                              PS PARTNERS IV, LTD.
                           SCHEDULE III - REAL ESTATE
                          AND ACCUMULATED DEPRECIATION

<TABLE>
<CAPTION>

                                                                                                       Costs
                                                                           Initial Cost             subsequent
                                                                 --------------------------------- to acquisition
    Date                                                                            Building &       Building &
  Acquired                Description              Encumbrances        Land         Improvement     Improvements
- ------------------------------------------------------------------------------------------------------------------


    <S>                                                 <C>           <C>            <C>                <C>
    7/88       Fort Wayne                               $-            $101,000       $1,524,000         $13,000
                                                  ================================================================
</TABLE>

<TABLE>
<CAPTION>

                                                                      Gross Carrying Amount
                                                                      At December 31, 1999
                                                  ---------------------------------------------------------------
    Date                                                             Building &                     Accumulated
  Acquired                Description                   Land        Improvements        Total      Depreciation
- -----------------------------------------------------------------------------------------------------------------


    <S>                                                 <C>           <C>             <C>              <C>
    7/88       Fort Wayne                               $101,000      $1,537,000      $1,638,000       $716,000
                                                  ===============================================================
</TABLE>
                                      F-11

<PAGE>

                              PS PARTNERS IV, LTD.
                           REAL ESTATE RECONCILIATION
                            SCHEDULE III (CONTINUED)



(A)      The  following  is a  reconciliation  of cost and  related  accumulated
         depreciation.

<TABLE>
<CAPTION>
                       GROSS CARRYING COST RECONCILIATION

                                                            Years Ended December 31,
                                              -----------------------------------------------------
                                                       1999             1998              1997
                                              -----------------------------------------------------

<S>                                                <C>              <C>               <C>
Balance at beginning of the period                 $1,635,000       $1,621,000        $1,606,000

Additions during the period:
     Improvements, etc.                                 3,000           14,000            15,000
                                              -----------------------------------------------------

Balance at the close of the period                 $1,638,000       $1,635,000        $1,621,000
                                              =====================================================


                     ACCUMULATED DEPRECIATION RECONCILIATION

                                                                Years Ended December 31,
                                               -----------------------------------------------------
                                                        1999             1998              1997
                                               -----------------------------------------------------


Balance at beginning of the period                    $647,000         $581,000          $519,000

Additions during the period:
     Depreciation                                       69,000           66,000            62,000
                                               ----------------------------------------------------

Balance at the close of the period                    $716,000         $647,000          $581,000
                                               ====================================================
</TABLE>

(B)      The  aggregate  cost of real estate for Federal  income tax purposes is
         $1,180,000.

                                      F-12

<PAGE>

                         Report of Independent Auditors



The Partners
SEI/PSP IV Joint Ventures


We have  audited  the  balance  sheets of the  SEI/PSP IV Joint  Ventures  as of
December  31,  1999 and 1998 and the  related  statements  of income,  partners'
equity and cash flows for each of the three years in the period  ended  December
31, 1999. Our audits also included the financial  statement  schedule  listed in
the  Index at Item 14 (a).  These  financial  statements  and  schedule  are the
responsibility  of the Joint  Ventures'  management.  Our  responsibility  is to
express an opinion  on these  financial  statements  and  schedule  based on our
audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States. Those standards require that we plan and perform the audit
to obtain reasonable  assurance about whether the financial  statements are free
of material misstatement. An audit includes examining, on a test basis, evidence
supporting  the amounts and  disclosures in the financial  statements.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material  respects,  the financial position of the SEI/PSP IV Joint Ventures
at December 31, 1999 and 1998,  and the results of its operations and cash flows
for each of the three years in the period ended December 31, 1999, in conformity
with accounting principles generally accepted in the United States. Also, in our
opinion,  the related financial statement schedule,  when considered in relation
to the  basic  financial  statements  taken as a whole,  presents  fairly in all
material respects the information set forth therein.






                                                               ERNST & YOUNG LLP



February 14, 2000
Los Angeles, CA

                                      F-13

<PAGE>

                           SEI/PSP IV JOINT VENTURES
                                 BALANCE SHEETS
                           December 31, 1999 and 1998

<TABLE>
<CAPTION>
                                                                    1999               1998
                                                             --------------------------------------

                                     ASSETS


<S>                                                             <C>                 <C>
Cash and cash equivalents                                       $      280,000      $      297,000

Rent and other receivables                                              82,000              73,000

Real estate facilities, at cost:
     Land                                                           14,327,000          14,327,000
     Buildings and equipment                                        46,525,000          45,645,000
                                                             --------------------------------------
                                                                    60,852,000          59,972,000

         Less accumulated depreciation                             (26,664,000)        (24,152,000)
                                                             --------------------------------------
                                                                    34,188,000          35,820,000

Investment in real estate entity                                    20,572,000          20,202,000

Other assets                                                           118,000             100,000
                                                             --------------------------------------

                                                                $   55,240,000      $   56,492,000
                                                             ======================================


                        LIABILITIES AND PARTNERS' EQUITY


Accounts payable                                                $      665,000      $      670,000

Advance payments from renters                                          405,000             405,000

Partners' equity:
     PS Partners IV, Ltd.                                           15,140,000          16,115,000
     Public Storage, Inc.                                           39,030,000          39,302,000
                                                             --------------------------------------

Total partners' equity                                              54,170,000          55,417,000
                                                             --------------------------------------

                                                                $   55,240,000      $   56,492,000
                                                             ======================================
</TABLE>
                            See accompanying notes.
                                      F-14

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                              STATEMENTS OF INCOME
              For the years ended December 31, 1999, 1998, and 1997


<TABLE>
<CAPTION>
                                                            1999              1998              1997
                                                      -----------------------------------------------------

REVENUE:

<S>                                                        <C>               <C>               <C>
Rental income                                              $12,824,000       $12,528,000       $11,893,000
Equity in earnings of real estate entity                       970,000           859,000           602,000
                                                      -----------------------------------------------------
                                                            13,794,000        13,387,000        12,495,000
                                                      -----------------------------------------------------

COSTS AND EXPENSES:

Cost of operations                                           4,162,000         4,014,000         3,878,000
Management fees                                                771,000           753,000           715,000
Depreciation and amortization                                2,512,000         2,289,000         2,170,000
                                                      -----------------------------------------------------
                                                             7,445,000         7,056,000         6,763,000
                                                      -----------------------------------------------------


NET INCOME                                                  $6,349,000        $6,331,000        $5,732,000
                                                      =====================================================


Partners' share of net income:
          PS Partners IV, Ltd.'s share                      $2,920,000        $2,608,000        $1,950,000
          Public Storage Inc.'s share                        3,429,000         3,723,000         3,782,000
                                                      -----------------------------------------------------
                                                            $6,349,000        $6,331,000        $5,732,000
                                                      =====================================================
</TABLE>

                            See accompanying notes.
                                      F-15

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                         STATEMENTS OF PARTNERS' EQUITY
              For the years ended December 31, 1999, 1998, and 1997


<TABLE>
<CAPTION>
                                                     PS Partners        Public Storage
                                                      IV, Ltd.               Inc.               Total
                                                -------------------------------------------------------------

<S>                                                    <C>                <C>                  <C>
Balances at December 31, 1996                          $18,487,000        $38,611,000          $57,098,000

Net income                                               1,950,000          3,782,000            5,732,000

Distributions                                           (2,924,000)        (3,204,000)          (6,128,000)

                                                -------------------------------------------------------------
Balances at December 31, 1997                           17,513,000         39,189,000           56,702,000

Net income                                               2,608,000          3,723,000            6,331,000

Distributions                                           (4,006,000)        (3,610,000)          (7,616,000)

                                                -------------------------------------------------------------
Balances at December 31, 1998                           16,115,000         39,302,000           55,417,000

Net income                                               2,920,000          3,429,000            6,349,000

Distributions                                           (3,895,000)        (3,701,000)          (7,596,000)
                                                -------------------------------------------------------------

Balances at December 31, 1999                          $15,140,000        $39,030,000          $54,170,000
                                                =============================================================
</TABLE>
                            See accompanying notes.
                                      F-16

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                            STATEMENTS OF CASH FLOWS
              For the years ended December 31, 1999, 1998, and 1997


<TABLE>
<CAPTION>
                                                                              1999            1998            1997
                                                                        -------------------------------------------------

CASH FLOWS FROM OPERATING ACTIVITIES:

<S>                                                                        <C>             <C>               <C>
Net income                                                                 $6,349,000      $6,331,000        $5,732,000

     Adjustments to reconcile net income to net cash
         provided by operating activities

         Depreciation and amortization                                       2,512,000        2,289,000       2,170,000
         (Increase) decrease in rent and other receivables                      (9,000)           6,000          42,000
         (Increase) decrease in other assets                                   (18,000)           1,000         116,000
         (Decrease) increase in accounts payable                                (5,000)         115,000        (446,000)
         Increase (decrease) in advance payments from renters                        -           28,000         (12,000)
         Equity in earnings of real estate entity                             (970,000)        (859,000)       (602,000)
                                                                        -------------------------------------------------

              Total adjustments                                              1,510,000        1,580,000       1,268,000
                                                                        -------------------------------------------------

              Net cash provided by operating activities                      7,859,000        7,911,000       7,000,000
                                                                        -------------------------------------------------

CASH FLOWS USED IN INVESTING ACTIVITIES:

         Distributions from real estate entity                                 600,000          658,000         251,000
         Additions to real estate facilities                                  (880,000)        (886,000)     (1,079,000)
                                                                        -------------------------------------------------

              Net cash used in investing activities                           (280,000)        (228,000)       (828,000)
                                                                        -------------------------------------------------

CASH FLOWS USED IN FINANCING ACTIVITIES:

         Distributions to partners                                          (7,596,000)      (7,616,000)     (6,128,000)
                                                                        -------------------------------------------------

              Net cash used in financing activities                         (7,596,000)      (7,616,000)     (6,128,000)
                                                                        -------------------------------------------------

Net (decrease) increase in cash and cash equivalents                           (17,000)          67,000          44,000

Cash and cash equivalents at the beginning of the period                       297,000          230,000         186,000
                                                                        -------------------------------------------------

Cash and cash equivalents at the end of the period                            $280,000         $297,000        $230,000
                                                                        =================================================
</TABLE>
                            See accompanying notes.
                                      F-17

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                            STATEMENTS OF CASH FLOWS
              For the years ended December 31, 1999, 1998, and 1997
                                   (Continued)

<TABLE>
<CAPTION>
                                                                                 1999          1998           1997
                                                                             --------------------------------------------


Supplemental schedule of noncash investing and financing activities:


     <S>                                                                           <C>            <C>     <C>
     Investment in real estate entity                                              $-             $-      $(19,650,000)

     Transfer of real estate facilities for interest in real estate entity,
     net                                                                            -              -        19,650,000

</TABLE>
                            See accompanying notes.
                                      F-18

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                          NOTES TO FINANCIAL STATEMENTS
                               December 31, 1999

1.       Description of Partnership
         --------------------------

                  SEI/PSP IV Joint Ventures (the "Joint  Venture") was formed on
         December 31, 1990 in connection with the  consolidation  of 23 separate
         general  partnerships  between  Public  Storage  Inc.  ("PSI")  and  PS
         Partners  IV,  Ltd.  ("PSP  IV").   The  Joint  Venture,   through  its
         predecessor general partnerships,  invested in existing  mini-warehouse
         facilities which offer self-service  storage spaces for lease,  usually
         on a  month-to-month  basis,  to the  general  public  and, to a lesser
         extent, in existing business park facilities which offer industrial and
         office space for lease.

                  The Joint Venture owns 32 properties  (referred to hereinafter
         as the  "Mini-Warehouses"),  which excludes three properties which were
         transferred to PS Business Parks, L.P.  ("PSBPLP") in January 1997. PSP
         IV is the  managing  general  partner  of the Joint  Venture,  with its
         ownership interests in the properties of the Joint Venture ranging from
         49.8% to 50.9%.

2.       Summary of Significant Accounting Policies and Partnership Matters
         ------------------------------------------------------------------

         Basis of Presentation
         ---------------------

                  The  financial  statements  include the  accounts of the Joint
         Venture.

                  Under the terms of the general  partnership  agreement  of the
         Joint  Venture,   for  property   acquisitions   in  which  PSI  issued
         convertible securities to the sellers for its interest,  PSI's right to
         receive  cash flow  distributions  for any year after the first year of
         operation are  subordinated to cash  distributions to PSP IV equal to a
         cumulative  annual  7% of its  cash  investment  (not  compounded).  In
         addition,  upon sale or  refinancing  of a  property  for more than its
         original   purchase   price,   distribution   of  proceeds  to  PSI  is
         subordinated  to  the  return  to  PSP IV of  the  amount  of its  cash
         investment and the 7% distribution described above.

         Depreciation and amortization
         -----------------------------

                  The Joint Venture depreciates the buildings and equipment on a
         straight-line  method over  estimated  useful  lives of 25 and 5 years,
         respectively.  Leasing commissions relating to business park properties
         are expensed when incurred.

         Revenue Recognition
         -------------------

                  Property rents are recognized as earned.

         Allocation of Net Income to PSP IV and PSI
         ------------------------------------------

                  Net income  prior to  depreciation  is allocated to PSP IV and
         PSI based upon their relative  ownership  interest in each property and
         the results of each property.

                  Under the terms of the general  partnership  agreement  of the
         Joint Venture all depreciation  and  amortization  with respect to each
         Joint  Venture  is  allocated  solely to PSP IV until it  recovers  its
         initial  capital   contribution.   Thereafter,   all  depreciation  and
         amortization  is allocated  solely to PSI until it recovers its initial
         capital  contribution.  All remaining  depreciation and amortization is
         allocated  to  PSP  IV  and  PSI  in  proportion  to  their   ownership
         percentages.

                                      F-19

<PAGE>

2.       Summary of Significant Accounting Policies and Partnership Matters
         ------------------------------------------------------------------
         (Continued)
         -----------

         Cash Distributions
         ------------------

                  The  general  partnership   agreement  of  the  Joint  Venture
         provides for regular  distributions  of cash flow from  operations  (as
         defined).

         Cash and Cash Equivalents
         -------------------------

                  For financial statement purposes,  the Joint Venture considers
         all highly liquid investments purchased with a maturity of three months
         or less to be cash equivalents.

         Environmental Cost
         ------------------

                  Substantially  all of the real estate  facilities in which the
         Joint Venture has an interest  were acquired  prior to the time that it
         was  customary to conduct  extensive  environmental  investigations  in
         connection with the property acquisitions. During the fourth quarter of
         1995,  an   independent   environmental   consulting   firm   completed
         environmental assessments on the Joint Venture's properties to evaluate
         the environmental condition of, and potential environmental liabilities
         of such  properties.  Although  there  can be no  assurance,  the Joint
         Venture  is  not  aware  of  any  environmental  contamination  of  the
         Mini-Warehouses  which  individually  or  in  the  aggregate  would  be
         material to the Joint Venture's overall business,  financial condition,
         or results of operations.

         Segment Reporting
         -----------------

                  Effective  January 1, 1998, the Joint Venture adopted SFAS No.
         131,   "Disclosure   about   Segments  of  an  Enterprise  and  Related
         Information."  SFAS No. 131  established  standards  for the way public
         business  enterprises  report  information about operating  segments in
         annual financial  statements and requires that those enterprises report
         selected  information  about  operating  segments in interim  financial
         reports.   SFAS  No.  131  also   establishes   standards  for  related
         disclosures  about  products and services,  geographic  areas and major
         customers. The Joint Venture only has one reportable segment as defined
         within  SFAS No.  131,  therefore  the  adoption of SFAS No. 131 had no
         effect on the Joint Venture's disclosures.

         Use of Estimates
         ----------------

                  The preparation of the financial statements in conformity with
         accounting  principles generally accepted in the United States requires
         management to make  estimates and  assumptions  that affect the amounts
         reported in the financial  statements and  accompanying  notes.  Actual
         results could differ from those estimates.

         Derivatives
         -----------

                  In June 1998, the Financial  Accounting Standards Board issued
         Statement No. 133,  Accounting for Derivative  Instruments  and Hedging
         Activities,  which is required to be adopted in years  beginning  after
         June 15, 2000.  Management does not anticipate that the adoption of the
         new  Statement  will  have a  significant  effect  on  earnings  or the
         financial position of the Partnership.

                                      F-20

<PAGE>

3.       Real Estate Facilities
         ----------------------

                  In 1995,  the  Financial  Accounting  Standards  Board  issued
         Statement of Financial  Accounting Standards No. 121 ("Statement 121"),
         "Accounting for the Impairment of Long-Lived  Assets and for Long-Lived
         Assets to be Disposed of." Statement 121 requires  impairment losses to
         be recorded on long-lived  assets used in operations when indicators of
         impairment are present and the undiscounted  cash flows estimated to be
         generated  by those assets are less than the assets'  carrying  amount.
         Statement 121 also  addresses the method of accounting  for  long-lived
         assets that are  expected to be  disposed.  The Joint  Venture  adopted
         Statement 121 in 1996 and the adoption had no effect.

                  In January 1997, the Joint Venture,  PSI and other  affiliated
         partnerships of PSI transferred a total of 35 business parks to PSBPLP,
         an operating  partnership  formed to own and operate  business parks in
         which PSI has a significant  interest.  Included  among the  properties
         transferred  was the Joint  Venture's  business parks in exchange for a
         partnership  interest in PSBPLP.  The  general  partner of PSBPLP is PS
         Business Parks, Inc. ("PSBP")

4.       Investment in real estate entity
         --------------------------------

                  In  1999,  1998,  and  1997,  the  Joint  Venture   recognized
         $970,000, $859,000, and $602,000 respectively, in equity in earnings of
         real  estate  entities  with  respect  to  the  investment  in  PSBPLP,
         described in Note 3 above.

                  The  accounting  policies of PSBPLP are similar to that of the
         Joint  Venture.  Summarized  combined  financial  data with  respect to
         PSBPLP is as follows:

                                                          1999          1998
                                                     ------------   ------------
For the year ended December 31,
    Total revenues                                   $128,613,000    $90,260,000
    Minority interest in income                        16,110,000     11,208,000
    Net income                                         41,255,000     29,400,000

At December 31,
    Total assets, net of accumulated depreciation    $903,741,000   $709,414,000
    Total liabilities                                  58,261,000     66,494,000
    Total minority interest                           289,949,000    153,015,000
    Total equity                                      555,531,000    489,905,000

                 The increase in the size of the combined financial position and
         operating results, respectively, of the Real Estate Entity for the year
         ended  December  31, 1999 and at December 31,  1999,  respectively,  as
         compared  to prior  periods,  is the  result of  additional  properties
         acquired by PSBLP during 1998 and 1999.

                  PS Business Parks,  Inc.,  which owns PSBPLP,  is a registrant
         with the  Securities  and Exchange  Commission,  and its filings can be
         accessed through the Securities and Exchange Commission.

                                      F-21

<PAGE>

5.       Related Party Transactions
         --------------------------

                  The Joint Venture has a management  agreement with PSI whereby
         PSI  operates  the  Mini-Warehouses  for a  fee  equal  to  6%  of  the
         facilities' monthly gross revenue (as defined).

                  In January 1997,  the Joint Venture  transferred  its business
         park  facilities  to PSBPLP in exchange for a  partnership  interest in
         PSBPLP. PSI has a significant economic interest in PSBPLP and PSBP.

6.       Leases
         ------

                  The  Joint   Venture  has   invested   primarily  in  existing
         mini-warehouse  storage  facilities  which offer  self-service  storage
         spaces  for lease to the  general  public.  Leases  for such  space are
         usually on a month-to-month basis.

7.       Taxes Based on Income
         ---------------------

                  Taxes based on income are the responsibility of PSP IV and PSI
         and,  accordingly,  the Joint  Venture's  financial  statements  do not
         reflect a provision for such taxes.

                  Unaudited  taxable  net income was  $5,107,000, $5,186,000 and
         $4,979,000  for the  years  ended  December  31,  1999,  1998 and 1997,
         respectively.  The difference between taxable income and book income is
         primarily related to timing differences in depreciation expense.

                                      F-22

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                           SCHEDULE III - REAL ESTATE
                          AND ACCUMULATED DEPRECIATION


<TABLE>
<CAPTION>
                                                                                                       Costs
                                                                           Initial Cost              subsequent
                                                                 --------------------------------- to acquisition
    Date                                                                            Building &       Building &
  Acquired                Description              Encumbrances        Land         Improvement     Improvements
- -----------------------------------------------------------------------------------------------------------------
<S>                                                       <C>         <C>            <C>               <C>
4/85          Austin/ S. First                            $-          $778,000       $1,282,000        $295,000
4/85          Cincinnati/ E. Kemper                        -           232,000        1,573,000         263,000
4/85          Cincinnati/ Colerain                         -           253,000        1,717,000         298,000
4/85          Florence/ Tanner Lane                        -           218,000        1,477,000         307,000
5/85          Tacoma/ Phillips Rd.                         -           396,000        1,204,000         236,000
5/85          Milwaukie/ Mcloughlin II                     -           458,000          742,000         404,000
7/85          San Diego/ Kearny Mesa Rd                    -           783,000        1,750,000         342,000
5/85          Manchester/ S. Willow II                     -           371,000        2,129,000        (185,000)
6/85          N. Hollywood/ Raymer                         -           967,000          848,000         277,000
7/85          Scottsdale/ 70th St                          -           632,000        1,368,000         225,000
7/85          Concord/ Hwy 29                              -           150,000          750,000         353,000
10/85         N. Hollywood/ Whitsett                       -         1,524,000        2,576,000         393,000
10/85         Portland/ SE 82nd St                         -           354,000          496,000         295,000
9/85          Madison/ Copps Ave.                          -           450,000        1,150,000         364,000
9/85          Columbus/ Sinclair                           -           307,000          893,000         231,000
9/85          Philadelphia/ Tacony St                      -           118,000        1,782,000         215,000
10/85         Perrysburg/ Helen Dr.                        -           110,000        1,590,000        (118,000)
10/85         Columbus/ Ambleside                          -           124,000        1,526,000        (138,000)
10/85         Indianapolis/ Pike Place                     -           229,000        1,531,000         240,000
10/85         Indianapolis/ Beach Grove                    -           198,000        1,342,000         220,000
10/85         Hartford/ Roberts                            -           219,000        1,481,000         432,000
10/85         Wichita/ S. Rock Rd.                         -           501,000        1,478,000          78,000
10/85         Wichita/ E. Harry                            -           313,000        1,050,000          25,000
10/85         Wichita/ S. Woodlawn                         -           263,000          905,000          (5,000)
10/85         Wichita/ E. Kellogg                          -           185,000          658,000         (63,000)
10/85         Wichita/ S. Tyler                            -           294,000        1,004,000          95,000
10/85         Wichita/ W. Maple                           $-          $234,000         $805,000        $(91,000)

</TABLE>

<TABLE>
<CAPTION>
                                                                         Gross Carrying Amount
                                                                         At December 31, 1999
                                                    ---------------------------------------------------------------
    Date                                                                Building &                    Accumulated
  Acquired                Description                     Land         Improvements       Total      Depreciation
- -------------------------------------------------------------------------------------------------------------------
<S>                                                       <C>           <C>              <C>            <C>
4/85          Austin/ S. First                            $778,000      $1,577,000       $2,355,000      $913,000
4/85          Cincinnati/ E. Kemper                        232,000       1,836,000        2,068,000     1,074,000
4/85          Cincinnati/ Colerain                         253,000       2,015,000        2,268,000     1,183,000
4/85          Florence/ Tanner Lane                        218,000       1,784,000        2,002,000     1,044,000
5/85          Tacoma/ Phillips Rd.                         396,000       1,440,000        1,836,000       827,000
5/85          Milwaukie/ Mcloughlin II                     458,000       1,146,000        1,604,000       633,000
7/85          San Diego/ Kearny Mesa Rd                    783,000       2,092,000        2,875,000     1,253,000
5/85          Manchester/ S. Willow II                     371,000       1,944,000        2,315,000     1,138,000
6/85          N. Hollywood/ Raymer                         967,000       1,125,000        2,092,000       668,000
7/85          Scottsdale/ 70th St                          632,000       1,593,000        2,225,000       925,000
7/85          Concord/ Hwy 29                              150,000       1,103,000        1,253,000       623,000
10/85         N. Hollywood/ Whitsett                     1,524,000       2,969,000        4,493,000     1,663,000
10/85         Portland/ SE 82nd St                         354,000         791,000        1,145,000       474,000
9/85          Madison/ Copps Ave.                          450,000       1,514,000        1,964,000       866,000
9/85          Columbus/ Sinclair                           307,000       1,124,000        1,431,000       623,000
9/85          Philadelphia/ Tacony St                      118,000       1,997,000        2,115,000     1,134,000
10/85         Perrysburg/ Helen Dr.                        110,000       1,472,000        1,582,000       842,000
10/85         Columbus/ Ambleside                          124,000       1,388,000        1,512,000       783,000
10/85         Indianapolis/ Pike Place                     229,000       1,771,000        2,000,000     1,001,000
10/85         Indianapolis/ Beach Grove                    198,000       1,562,000        1,760,000       877,000
10/85         Hartford/ Roberts                            219,000       1,913,000        2,132,000     1,039,000
10/85         Wichita/ S. Rock Rd.                         642,000       1,415,000        2,057,000       781,000
10/85         Wichita/ E. Harry                            313,000       1,075,000        1,388,000       632,000
10/85         Wichita/ S. Woodlawn                         263,000         900,000        1,163,000       523,000
10/85         Wichita/ E. Kellogg                          185,000         595,000          780,000       340,000
10/85         Wichita/ S. Tyler                            294,000       1,099,000        1,393,000       702,000
10/85         Wichita/ W. Maple                           $234,000        $714,000         $948,000      $387,000

</TABLE>

                                      F-23

<PAGE>

<TABLE>
<CAPTION>
                                                                                                       Costs
                                                                                                     subsequent
                                                                           Initial Cost            to acquisition
                                                                 ---------------------------------
    Date                                                                            Building &       Building &
  Acquired                Description              Encumbrances        Land         Improvement     Improvements
- ------------------------------------------------------------------------------------------------------------------
<S>                                                                    <C>              <C>             <C>
10/85         Wichita/ Carey Lane                          -           192,000          674,000         (21,000)
10/85         Wichita/ E. Macarthur                        -           220,000          775,000        (112,000)
10/85         Joplin/ S. Range Line                        -           264,000          904,000           8,000
12/85         Milpitas                                     -         1,623,000        1,577,000         322,000
12/85         Pleasanton/ Santa Rita                       -         1,226,000        2,078,000         366,000
                                                  ----------------------------------------------------------------

              TOTAL                                       $-       $14,186,000      $41,115,000      $5,551,000
                                                  ================================================================
</TABLE>

<TABLE>
<CAPTION>

                                                                       Gross Carrying Amount
                                                                       At December 31, 1999
                                                   --------------------------------------------------------------
    Date                                                              Building &                    Accumulated
  Acquired                Description                   Land         Improvements       Total      Depreciation
- -----------------------------------------------------------------------------------------------------------------
<S>                                                      <C>             <C>              <C>           <C>
10/85         Wichita/ Carey Lane                        192,000         653,000          845,000       349,000
10/85         Wichita/ E. Macarthur                      220,000         663,000          883,000       370,000
10/85         Joplin/ S. Range Line                      264,000         912,000        1,176,000       565,000
12/85         Milpitas                                 1,623,000       1,899,000        3,522,000     1,074,000
12/85         Pleasanton/ Santa Rita                   1,226,000       2,444,000        3,670,000     1,358,000
                                                  ---------------------------------------------------------------

              TOTAL                                  $14,327,000     $46,525,000      $60,852,000   $26,664,000
                                                  ===============================================================
</TABLE>
                                      F-24

<PAGE>

                            SEI/PSP IV JOINT VENTURES
                           REAL ESTATE RECONCILIATION
                            SCHEDULE III (CONTINUED)



(A)      The  following  is a  reconciliation  of cost and  related  accumulated
         depreciation.

                       GROSS CARRYING COST RECONCILIATION

<TABLE>
<CAPTION>
                                                               Years Ended December 31,
                                                    ------------------------------------------------
                                                         1999             1998            1997
                                                    ------------------------------------------------

<S>                                                    <C>             <C>              <C>
Balance at beginning of the period                     $59,972,000     $59,086,000      $91,589,000

Additions during the period:
     Improvements, etc.                                    880,000         886,000        1,079,000

Deductions during the period:
     Disposition of real estate                                  -               -      (33,582,000)
                                                    ------------------------------------------------

Balance at the close of the period                     $60,852,000     $59,972,000      $59,086,000
                                                    ================================================


                     ACCUMULATED DEPRECIATION RECONCILIATION

                                                               Years Ended December 31,
                                                    ------------------------------------------------
                                                         1999             1998            1997
                                                    ------------------------------------------------

Balance at beginning of the period                     $24,152,000     $21,863,000      $33,625,000

Additions during the period:
     Depreciation                                        2,512,000       2,289,000        2,170,000

Deductions during the period:
     Disposition of real estate                                  -               -      (13,932,000)
                                                    ------------------------------------------------

Balance at the close of the period                     $26,664,000     $24,152,000      $21,863,000
                                                    ================================================
</TABLE>

(B)      The  aggregate  cost of real estate for Federal  income tax purposes is
         $61,230,000.

                                      F-25


<TABLE> <S> <C>


<ARTICLE>                     5
<CIK>                         0000748901
<NAME>                                                   PS PARTNERS IV, LTD.
<MULTIPLIER>                                                                1
<CURRENCY>                                                             U.S. $

<S>                                                                       <C>
<PERIOD-TYPE>                                                          12-MOS
<FISCAL-YEAR-END>                                                 DEC-31-1999
<PERIOD-START>                                                     JAN-1-1999
<PERIOD-END>                                                      DEC-31-1999
<EXCHANGE-RATE>                                                             1
<CASH>                                                              2,337,000
<SECURITIES>                                                                0
<RECEIVABLES>                                                           2,000
<ALLOWANCES>                                                                0
<INVENTORY>                                                                 0
<CURRENT-ASSETS>                                                    2,339,000
<PP&E>                                                              1,638,000
<DEPRECIATION>                                                      (716,000)
<TOTAL-ASSETS>                                                     18,404,000
<CURRENT-LIABILITIES>                                                 190,000
<BONDS>                                                                     0
                                                       0
                                                                 0
<COMMON>                                                                    0
<OTHER-SE>                                                         18,214,000
<TOTAL-LIABILITY-AND-EQUITY>                                       18,404,000
<SALES>                                                                     0
<TOTAL-REVENUES>                                                    3,330,000
<CGS>                                                                       0
<TOTAL-COSTS>                                                         144,000
<OTHER-EXPENSES>                                                      212,000
<LOSS-PROVISION>                                                            0
<INTEREST-EXPENSE>                                                          0
<INCOME-PRETAX>                                                     2,974,000
<INCOME-TAX>                                                                0
<INCOME-CONTINUING>                                                 2,974,000
<DISCONTINUED>                                                              0
<EXTRAORDINARY>                                                             0
<CHANGES>                                                                   0
<NET-INCOME>                                                        2,974,000
<EPS-BASIC>                                                             19.02
<EPS-DILUTED>                                                           19.02


</TABLE>


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