SITEK INC
10-Q, 2000-02-14
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 10-Q

(Mark One)

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

     For the quarterly period ended December 31, 1999

                                       or

[ ]  Transition  report  pursuant  to  Section  13 or  15(d)  of the  Securities
     Exchange Act of 1934

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

     Commission file number 33-28417

                               SITEK, INCORPORATED
         (Formerly Known as Dentmart Group, Inc. and Elgin Corporation)
         --------------------------------------------------------------
             (Exact Name of Registrant as Specified in Its Charter)


            Delaware                                  86-0923886
- ---------------------------------                 -------------------
(State of Other Jurisdiction                      (I.R.S. Employer
of Incorporation or Organization)                 Identification No.)



    1817 West 4th Street, Tempe, AZ                      85281
- ----------------------------------------              ----------
(Address of Principal Executive Offices)              (Zip Code)


                                (480) 921-8555
              ----------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)


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

     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 [ ]

                      APPLICABLE ONLY TO CORPORATE ISSUERS

     Indicate the number of shares  outstanding of each of the issuer's  classes
of common stock, as of the latest practicable date:  12,307,813 shares of common
stock outstanding as of February 4, 2000.
<PAGE>
                                TABLE OF CONTENTS

                         PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

  Consolidated Balance Sheets as of December 31, 1999
    (unaudited) and March 31, 1999...........................................  1

  Consolidated Statements of Operations
    Three Months and Nine Months ended
    December 31, 1999 and 1998 (unaudited)...................................  2

  Consolidated Statements of Cash Flow
    Nine Months ended December 31, 1999
    and 1998 (unaudited).....................................................  3

  Consolidated Statement of Stockholders' Equity Period
    from June 23, 1998, date of inception,
    to December 31, 1999.....................................................  4

  Notes to Consolidated Financial Statements (unaudited).....................  5

Item 2. Management's Discussion and Analysis of
  Financial Condition and Results of Operations.............................. 13

Item 3. Quantitative and Qualitative Disclosures
  about Market Risk.......................................................... 16

                           PART II. OTHER INFORMATION

Item 1. Legal Proceedings.................................................... 17

Item 5. Other Information.................................................... 17

Item 6. Exhibits and Reports on Form 8-K..................................... 17

Signatures................................................................... 18
<PAGE>
                      SITEK, INCORPORATED AND SUBSIDIARIES
                           CONSOLIDATED BALANCE SHEETS
             AS OF DECEMBER 31, 1999 (UNAUDITED) AND MARCH 31, 1999

                                            December 31, 1999     March 31, 1999
                                            -----------------     --------------
Assets                                         (Unaudited)

CURRENT ASSETS
  Cash                                         $   449,701          $       863
  Accounts Receivable                            1,570,438              207,934
  Related Party Receivable                          51,516               58,161
  Inventory                                      3,866,425            5,389,000
  Prepaid Financing Fees                            46,667              568,533
  Prepaid Vat                                       65,231              910,000
  Prepaid Expenses and Other Assets                 94,307              117,592
  Deferred Tax Asset                               193,000                 --
                                               -----------          -----------
     Total Current Assets                        6,337,285            7,252,083
                                               -----------          -----------

PROPERTY AND EQUIPMENT, Net of Accumulated
   Depreciation and Amortization of $77,833
    as of December, 31, 1999, and
    $14,214 as of March 31, 1999                   576,897               90,707

DEPOSITS                                            66,186               37,466

GOODWILL, Less Accumulated
  Amortization of $53,125                          504,673                 --

COVENANT NOT TO COMPETE, Less Accumulated
  Amortization of $8,000                            16,000                 --
                                               -----------          -----------
TOTAL ASSETS                                   $ 7,501,041          $ 7,380,256
                                               ===========          ===========
LIABILITIES AND STOCKHOLDERS' EQUITY

CURRENT LIABILITIES
  Line of Credit                               $   190,464          $   154,000
  Advances From Related Parties                     60,941              388,418
  Notes Payable                                         --            5,745,510
  Accounts Payable                               1,669,280              268,774
  Customer Deposits                                596,172              171,250
  Accrued Expenses                               1,230,029              308,080
  Vat Payable                                       93,798              910,000
  Income Tax Payable                             1,003,000                   --
  Convertible Debentures                            80,000               80,000
  Deferred Revenue                                  20,644               20,644
  Capital Lease Obligation                             268                   --
                                               -----------          -----------
     Total Current Liabilities                   4,944,596            8,046,676
                                               -----------          -----------
NOTE PAYABLE                                       532,431                   --
                                               -----------          -----------
CAPITAL LEASE OBLIGATION                             4,147                   --
                                               -----------          -----------
DEFERRED REVENUE, LONG TERM PORTION                 22,365               37,848
                                               -----------          -----------
DEFERRED RENT PAYABLE                               55,352                9,367
                                               -----------          -----------
CONVERTIBLE DEBENTURES                             182,500                   --
                                               -----------          -----------
LINE OF CREDIT                                     207,181              207,181
                                               -----------          -----------
STOCKHOLDERS' EQUITY
  Preferred Stock, $.01 Par Value, 2,000,000
    Shares Authorized, None Issued                      --                   --

  Common Stock, $.005 Par Value 50,000,000
   Authorized, 12,307,813 Shares Issued
   and Outstanding as of December 31, 1999,
   12,230,813 Shares Issued and Outstanding
   With 5,000 Shares Issuable as of
   March 31, 1999                                   61,539               61,179
  Additional Paid-in-Capital                        74,115                2,475
  Retained Earnings (Deficit)                    1,416,815             (984,470)
                                               -----------          -----------
     Total Equity                                1,552,469             (920,816)
                                               -----------          -----------
TOTAL LIABILITIES & EQUITY                     $ 7,501,041          $ 7,380,256
                                               ===========          ===========

                                       1
<PAGE>
                      SITEK, INCORPORATED AND SUBSIDIARIES
                      CONSOLIDATED STATEMENT OF OPERATIONS
                                   (Unaudited)

<TABLE>
<CAPTION>
                                           Three Months Ended          Nine Months Ended
                                              December 31,                December 31,
                                        ------------------------   -------------------------
                                           1999          1998         1999           1998
                                        ----------    ----------   -----------    ----------
<S>                                     <C>           <C>          <C>            <C>
Net sales                               $5,492,171    $2,586,250   $18,508,460    $2,743,250
Cost of goods sold                       2,396,517     1,841,941     8,028,681     1,960,983
                                        ----------    ----------   -----------    ----------
  Gross profit                           3,095,654       744,309    10,479,779       782,267
                                        ----------    ----------   -----------    ----------
Operating  expenses:
  Selling, general and administrative    1,670,092       245,559     4,700,324       511,097
  Research development & engineering       450,120       122,068     1,117,257       233,930
                                        ----------    ----------   -----------    ----------
  Total operating expenses               2,120,212       367,627     5,817,581       745,027
                                        ----------    ----------   -----------    ----------
  Income from operations                   975,442       376,682     4,662,198        37,240

Other income (expense)
  Interest (expense)                      (126,889)     (107,404)   (1,072,757)     (107,404)
  Other income                              14,566             1        41,644           205
                                        ----------    ----------   -----------    ----------
                                          (112,323)     (107,403)   (1,031,113)     (107,199)
  Income (loss) before income taxes        863,119       269,279     3,631,085       (69,959)
                                        ----------    ----------   -----------    ----------
Income Taxes                               314,000        51,000     1,229,800        51,000
                                        ----------    ----------   -----------    ----------
  Net income (loss)                     $  549,119    $  218,279   $ 2,401,285    $ (120,959)
                                        ==========    ==========   ===========    ==========
Basic earnings (loss) per share         $      .04    $      .02   $       .20    $     (.01)
                                        ==========    ==========   ===========    ==========
Diluted earnings (loss) per share       $      .04    $      .02   $       .19    $     (.01)
                                        ==========    ==========   ===========    ==========
</TABLE>

                                       2
<PAGE>
                      SITEK, INCORPORATED AND SUBSIDIARIES
                      CONSOLIDATED STATEMENT OF CASH FLOWS
                                Nine Months Ended
                     December 31, 1999 and 1998 (Unaudited)

                                                          Nine Months Ended
                                                             December 31,
                                                     ---------------------------
                                                         1999           1998
                                                     -----------    ------------
CASH FLOWS FROM OPERATING ACTIVITIES
  Net Income (Loss)                                  $ 2,401,285    $  (120,959)
  Adjustments to Reconcile Net Income (Loss)
   to Net Cash Provided by (Used In)
   Operating Activities:
    Amortization of Prepaid Financing                    596,866             --
    Depreciation & Amortization                          122,228         33,683
    Deferred Taxes                                      (165,000)            --
    Gain Recognized On Sale Leaseback Transaction        (15,483)            --
    Deferred Rent Expense                                 45,985             --
    Change in Assets and Liabilities:
      Accounts Receivable                             (1,297,138)      (933,705)
      Inventory                                        1,735,187             --
      Prepaid VAT                                        844,769             --
      Prepaid Expenses and Other Assets                   40,592        (21,140)
      Advances From Related Parties                     (327,477)       360,293
      Accounts Payable                                   907,441        293,042
      Customer Deposits                                  226,912             --
      Accrued Expense                                    857,817        177,260
      Income Tax Payable                                 983,000         51,000
      VAT Payable                                       (816,202)            --
      Profit Sharing Liability                          (254,992)            --
                                                     -----------    -----------
  Net Cash Provided by (Used In)
    Operating Activities                               5,885,790       (160,526)
                                                     -----------    -----------
CASH FLOWS FROM INVESTING ACTIVITIES
  Related Party Receivables                                6,645             --
  Purchase of VSM, Net of Cash                          (106,268)            --
  Capital Expenditures, Net of Retirements              (337,258)      (512,907)
                                                     -----------    -----------
  Net Cash (Used In) Investing Activities               (436,881)      (512,907)
                                                     -----------    -----------
CASH FLOWS FROM FINANCING ACTIVITIES
  Prepayments of Financing Fee                           (75,000)            --
  Borrowings On Line of Credit                         1,387,964             --
  Repayments of Line of Credit                        (1,351,500)            --
  Proceeds From Issuance of Convertible Debentures       182,500         75,000
  Repayment of Notes Payable                          (9,213,079)            --
  Proceeds From Notes Payable                          4,000,000        615,800
  Repayment of Capital Lease                              (2,956)            --
  Issuance of Common Stock                                72,000          1,000
                                                     -----------    -----------
  Net Cash Provided by (Used In)
    Financing Activities                              (5,000,071)       691,800
                                                     -----------    -----------
  Net Increase in Cash                                   448,838         18,367
  Cash, Beginning                                            863             --
                                                     -----------    -----------
  Cash, Ending                                       $   449,701    $    18,367
                                                     ===========    ===========
  SUPPLEMENTAL SCHEDULE OF NONCASH
  INVESTING AND FINANCING ACTIVITIES
  Acquisition of VSM Inc.:
  Cash Purchase Price                                $ 1,000,000    $        --
                                                     ===========    ===========
  Working Capital Acquired,
    Net of Cash and Cash Equivalents                 $  (678,194)   $        --
  Fair Value of Other Assets Acquired,
    Principally Property and Equipment                   210,035             --
  Long-term Debt Assumed                                  (7,371)            --
                                                     -----------    -----------
                                                     $  (475,530)   $        --
                                                     ===========    ===========

For the nine months ended December 31,1999, cash payments for interest/financing
expense and income taxes were $374,490 and $417,000,  respectively.  In the nine
months ended December 31, 1998, cash payments for interest were $54,939. No cash
payments for income taxes were made in the nine months ended December 31, 1998.

                                       3
<PAGE>
                 CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
       Period from June 23, 1998, date of inception to December 31, 1999

<TABLE>
<CAPTION>
                                          Common Stock           Additional
                                       --------------------       paid-in       Retained
                                       Shares        Amount       capital       earnings        Total
                                       ------        ------       -------       --------        -----
<S>                                 <C>           <C>           <C>           <C>            <C>
Issuance of stock, June 23, 1998      1,000,000   $     1,000   $        --   $        --    $     1,000
Effect of merger/recapitalization    11,230,813        60,154             0       (60,154)            --
Stock issuable for services               5,000            25         2,475             0          2,500
Net (loss)                                   --             0             0      (924,316)      (924,316)
                                     ----------   -----------   -----------   -----------    -----------

Balance, March 31, 1999              12,235,813   $    61,179   $     2,475   $  (984,470)   $  (920,816)

Net income                                   --            --            --   $ 2,401,285    $ 2,401,285
Issuance of stock                        72,000   $       360   $    71,640   $        --    $    72,000
                                     ----------   -----------   -----------   -----------    -----------

Balance, December 31, 1999
  (unaudited)                        12,307,813   $    61,539   $    74,115   $ 1,416,815    $ 1,552,469
                                     ==========   ===========   ===========   ===========    ===========
</TABLE>

                                       4
<PAGE>
SITEK, INCORPORATED
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
NINE MONTHS ENDED DECEMBER 31, 1999

NOTE A. BASIS OF PRESENTATION

The  accompanying   unaudited   consolidated   financial  statements  of  SITEK,
Incorporated  and  Subsidiaries  (the  Company) have been prepared in accordance
with generally accepted accounting  principles for interim financial information
and  with the  instructions  to Form  10-Q and  Article  10 of  Regulation  S-X.
Accordingly,  they do not include all of the information and footnotes  required
by generally accepted accounting  principles for complete financial  statements.
In the opinion of management,  the unaudited  consolidated  financial statements
included herein have been prepared on a consistent basis with the March 31, 1999
audited   consolidated   financial   statements  and  include  all   adjustments
(consisting  of  normal  recurring  accruals)  considered  necessary  for a fair
presentation.  Operating  results  for the three and nine  month  periods  ended
December 31, 1999 are not necessarily  indicative of future  operating  results.
For further information refer to the financial statements and footnotes included
in the company's  annual report on Form 10-K for the fiscal year ended March 31,
1999.

The   consolidated   financial   statements   include  the  accounts  of  SITEK,
Incorporated and its wholly-owned  subsidiaries,  Advanced Technology  Services,
Inc.  (ATSI),  CMP  Solutions,  Inc.  (CMPS),  and VSM  Corporation  (VSM).  All
significant intercompany accounts are eliminated upon consolidation.

The preparation of financial  statements in conformity  with generally  accepted
accounting principles 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.

The Company  recognizes  revenue  from the sale of  products  when the risks and
rewards of ownership  transfer to the customers,  which is generally at the time
of shipment.  No  significant  obligations  remain after the product is shipped.
Cost for installation and warranty are accrued when the corresponding  sales are
recognized.

NOTE B. BASIC AND DILUTED EARNINGS PER SHARE

Basic net income per common share is computed  based on weighted  average common
shares outstanding  during the period.  Diluted net income per share is computed
using  the  weighted  average  common  and  dilutive  common  equivalent  shares
outstanding during the period.  Convertible debt and the effect of stock options
are considered  common stock equivalent and are included in the weighted average
shares  computation using the treasury stock method.  The effect of 77,000 stock
options and 64,562 warrants are not included because they are anti-dilutive.

                                       5
<PAGE>
<TABLE>
<CAPTION>
                                              Three Months Ended         Nine Months Ended
                                                 December 31,               December 31,
                                            -----------------------   -----------------------
                                               1999         1998         1999         1998
                                            ----------   ----------   ----------   ----------
<S>                                           <C>          <C>        <C>           <C>
Net income (loss)                             $549,119     $218,279   $2,401,285    $(120,959)

Weighted average shares outstanding         12,307,813   12,230,813   12,297,302   11,002,443

Effect of dilutive securities:
      Convertible debt                          68,143       15,000       49,015           --
      Stock options                            888,192           --      591,942           --

Diluted weighted average shares
  outstanding                               13,264,146   12,245,813   12,938,259   11,002,443

Basic earnings per share                           .04          .02          .20         (.01)

Diluted earnings per share                         .04          .02          .19         (.01)
</TABLE>

NOTE C. INVENTORIES

Inventories  are  valued  at the  lower  of cost or  market.  Cost of  pre-owned
equipment held for resale is determined on the specific  identification  method.
Costs of all other  inventories are determined on a first-in,  first-out  (FIFO)
basis. Inventories consisted of the following:

                                             December 31, 1999    March 31, 1999
                                             -----------------    --------------
Pre-owned equipment held
  for resale, net of reserves                    $3,124,394         $5,389,000
Raw materials                                       159,386                 --
Work-in-process                                     582,645                 --
                                                 ----------         ----------
     Total                                       $3,866,425         $5,389,000
                                                 ==========         ==========

                                       6
<PAGE>
NOTE D. ACCRUED EXPENSES

The components of accrued expenses are as follows:

                                     December 31, 1999     March 31, 1999
                                     -----------------     --------------
Finder's Fee                           $   637,789           $      --
Compensation and benefits                  222,219                  --
Interest expense                            58,954              24,506
Installation and warranty                   52,330                  --
Insurance                                   52,327                  --
Legal/audit                                 50,295              67,074
Shareholder expense                         45,000             125,000
Directors fees                                  --              72,000
Other                                      111,115              19,500
                                       -----------           ---------
Total                                  $ 1,230,029           $ 308,080
                                       ===========           =========

NOTE E. CONTINGENCIES

The Company has been named a defendant in a lawsuit  filed by a former  employee
(Employee) of and a former  consultant  (Consultant) to a company  controlled by
certain shareholders of the Company alleging wrongful termination,  amounts owed
for consulting  services and  misappropriated  trade secrets.  Management denies
these allegations and intends to defend itself  vigorously.  The defendants have
demanded the value of 1,000,000  shares of the Company's stock. No provision has
been made to the financial statements as a result of this lawsuit. Subsequent to
December  31,  1999,  the  Employee  and the  Company  stipulated  all claims be
dismissed with prejudice,  each party to bear its own costs and attorneys' fees.
The lawsuit with the Consultant is ongoing.

                                       7
<PAGE>
NOTE F. SALES BY GEOGRAPHIC AREA

The following table presents  information  about the Company's sales (attributed
to countries based on the location of the customer) by geographic area:

                           Three Months Ended             Nine Months Ended
                              December 31,                   December 31,
                       --------------------------    --------------------------
                            1999           1998          1999           1998
                       -----------    -----------    -----------    -----------
United Kingdom         $ 2,106,000    $        --    $ 8,480,129    $        --
United States            2,648,882          1,250      5,269,775         76,250
Netherlands                157,500      2,189,000      1,953,350      2,271,000
Japan                        3,284             --        895,001             --
Malaysia                   455,824             --        540,136             --
Italy                           --             --        499,000             --
France                          --        396,000        450,000        396,000
Mexico                      35,886             --        174,761             --
Other                       84,795             --        246,308             --
                       -----------    -----------    -----------    -----------
Total                  $ 5,492,171    $ 2,586,250    $18,508,460    $ 2,743,250
                       ===========    ===========    ===========    ===========

NOTE G. INCOME TAX MATTERS

Pretax income from  continuing  operations  for the three months and nine months
ended December 31, 1999 was taxed all domestically.

The income tax provisions charged to continuing  operations for the three months
and nine months ended December 31, 1999 and 1998 were as follows:

                                    Three Months ended     Nine Months Ended
                                        December 31,          December 31,
                                   -------------------    ---------------------
                                     1999       1998         1999         1998
                                   --------    -------    ----------    -------
Current:
     U.S. federal                  $268,000    $39,000    $1,131,000    $39,000
     State                           68,000     12,000       289,000     12,000
Deferred tax expense (benefit)      (22,000)        --      (190,200)        --
                                   --------    -------    ----------    -------
                                   $314,000    $51,000    $1,229,800    $51,000
                                   ========    =======    ==========    =======

                                       8
<PAGE>
The income tax provision  charged to continuing  operations for the three months
and nine  months  ended  December  31,  1999 and 1998  differ from the amount of
income tax  determined  by applying the U.S.  federal  income tax rate to pretax
income from operations due to the following:

                                        Three Months Ended  Nine Months Ended
                                           December 31,        December 31,
                                        -----------------  --------------------
                                          1999     1998       1999       1998
                                        --------  -------  ----------   -------
Computed "expected" tax                 $302,000  $94,000  $1,271,000  $(24,000)
Increase (decrease) in income taxes
  resulting from:
    Nondeductible expenses                16,000       --      38,000    76,000
    State taxes, net of federal benefit   44,000       --     188,000        --
    Change in valuation allowance             --  (43,000)   (255,000)       --
    Other                                (48,000)      --     (12,200)   (1,000)
                                        --------  -------  ----------   -------
                                        $314,000  $51,000  $1,229,800   $51,000
                                        ========  =======  ==========   =======

                                       9
<PAGE>
Attributes  giving rise to net  deferred tax assets  consist  primarily of other
current liabilities at December 31, 1999.

The Company's deferred tax assets were fully reserved at March 31, 1999.

NOTE H. SEGMENT INFORMATION

Financial  information  with respect to the reportable  segments follows for the
three and nine months ending December 31, 1999 and 1998:

                      Three Months Ended December 31, 1999

                                                         Corporate and
                          VSM         ATSI        CMPS    Unallocated   Total
                          ---         ----        ----    -----------   -----
Revenue from external
  customers           $1,150,411  $ 4,294,284  $ 39,976   $  7,500   $5,492,171

Segment operating
  income (loss)          106,959    2,078,939  (387,764)  (822,692)     975,442

Segment assets         2,020,389    4,237,641   348,313    894,698    7,501,041


                       Nine Months Ended December 31, 1999

                                                         Corporate and
                          VSM         ATSI        CMPS    Unallocated   Total
                          ---         ----        ----    -----------   -----
Revenue from external
  customers           $2,923,691  $15,404,979  $164,812   $  14,978 $18,508,460

Segment operating
  income (loss)          476,092     7,083,354 (761,843) (2,135,405)  4,662,198

                                       10
<PAGE>
                      Three Months Ended December 31, 1998

                                                      Corporate and
                          VSM       ATSI       CMPS     Unallocated     Total
                          ---       ----       ----     -----------     -----
Revenue from external
  customers                --   $ 2,585,000     1,250          --     $2,586,250

Segment operating
  income (loss)            --       667,120  (124,357)   (166,081)       376,682

Segment assets             --       963,264   489,117          55      1,452,436

                       Nine Months Ended December 31, 1998

                                                       Corporate and
                         VSM       ATSI       CMPS      Unallocated      Total
                         ---       ----       ----      -----------      -----
Revenue from external
  customers               --   $ 2,742,000     1,250          --      $2,743,250

Segment operating
  income (loss)           --       695,109  (240,261)   (417,608)         37,240

NOTE I. FINDER'S FEE AGREEMENT

Effective  May 20,  1999,  the  Company  agreed to pay a  finder's  fee to Bruar
Associates  in  exchange  for efforts in  arranging  the  purchase of  pre-owned
semiconductor equipment located in the United Kingdom. The fee is based upon 15%
of net sales proceeds relating to the purchased equipment when and if such sales
exceed  $6,583,000.  Fees are due on the next $ 8,417,000 in net sales proceeds.
The agreement  expires on May 31, 2002. As of December 31, 1999, the Company has
recognized $1,073,000 in finder's fees expenses of which $286,000 was recognized
in the three  months  ended  December 31, 1999 as  management  expects  sales to
exceed $15,000,000.

                                       11
<PAGE>
NOTE J. RESEARCH, DEVELOPMENT, AND ENGINEERING

Research,  development,  and engineering  activities  conducted during the three
months ended December 31, 1999 include the completion of the Corona head product
as well as the  initial  design work for the Phoenix  2000  Chemical  Mechanical
Planarization  system  and the Wet-Q  Wet  Buffer  Station.  In  addition,  CMPS
incurred  engineering  expenses  associated  with  development of  planarization
processes related to its foundry business.

NOTE K. 1999 STOCK INCENTIVE PLAN

On January 19,  1999,  the Board of Directors  adopted the 1999 Stock  Incentive
Plan and reserved a total of 1,500,000  shares for  issuance.  The Plan provides
for the grant of options which qualify as incentive  stock options under Section
422 of the Internal  Revenue Code and  nonstatutory  stock  options which do not
specifically  qualify for favorable income tax treatment under the IRS Code. The
Plan is  administered by the  Compensation  Committee of the Board of Directors.
Stockholders approved the Plan as of the September 28, 1999 annual stockholder's
meeting and the reserve was  increased to 2,500,000  shares.  As of December 31,
1999, the Company has outstanding  option grants to certain  employees under the
Plan of 1,140,000  shares with an exercise  price equal to the fair market value
as of the date of grant.  During the three months ended  December 31, 1999,  the
Company granted 262,000 options.

NOTE L. RESTATEMENT

The December 31, 1998 previously  reported  numbers have been changed to reflect
certain  March 31, 1999 audit  adjustments  with an effect of  reducing  the net
profit for the three months ended  December 31, 1998 by $51,000 and $290,070 for
the nine months ended December 31, 1998.

NOTE M. SUBSEQUENT EVENTS

On January 10, 2000, the Company entered into a revolving  credit agreement with
Imperial Bank in the principal amount of $2,000,000.  The loan bears interest at
prime plus 4%,  matures  January 9, 2001,  and is secured by  substantially  all
assets of Sitek and ATSI other than  property  acquired by the  Company  under a
pre-existing credit facility. The credit agreement required a non-refundable fee
of $30,000  which will be amortized  over the life of the loan.  The Company may
borrow the lessor of  $2,000,000  or a percentage  of the  Borrowing  Base which
consists of eligible accounts receivable and eligible inventory.

On January 20, 2000, the Company  entered into a facility lease  agreement which
expires May 31, 2003. Rent is payable at the rate of $15,000 per month from June
1, 2000  through May 31,  2001,  $16,000 per month from June 1, 2001 through May
31, 2002, and $17,000 per month from June 1, 2002 through May 31, 2003.

                                       12
<PAGE>
ITEM 2. MANAGEMENT'S  DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This  report  contains  forward-looking  statements  within  the  meaning of the
Private  Securities  Litigation  Reform Act of 1995,  including  projections  of
results of operations  and financial  condition,  statements of future  economic
performance,  and  general or specific  statements  of future  expectations  and
beliefs. The matters covered by such  forward-looking  statements are subject to
known and  unknown  risks,  uncertainties  and other  factors,  including  those
discussed below, which may cause the actual results, performance or achievements
of the Company to differ  materially from those  contemplated or implied by such
forward-looking statements.

GENERAL

Sitek  provides  administrative,   product  development,  and  business  support
functions  for  its  semiconductor  capital  equipment  and  foundry  subsidiary
companies.   As  of  December  31,  1999,  Sitek  operated  three   wholly-owned
subsidiaries:  CMP Solutions,  Inc. ("CMPS"),  Advanced Technology Services Inc.
("ATSI");  and VSM Corporation ("VSM").  Sitek and its subsidiaries  employed 61
persons as of December  31, 1999.  Sitek is a start-up  company with only a very
limited  operating  history.  As such,  it remains  subject to all the risks and
uncertainties of a new business,  including those relating to the  establishment
of operational,  accounting,  financial,  employment, sales, marketing and other
systems and procedures. In addition, the company is subject to the special risks
inherent in the very dynamic semiconductor  industry where, because obsolescence
cycles are short and timing is critical, companies with limited resources may be
unable to complete effectively.

CMP SOLUTIONS, INC.

CMPS, which commenced  operations in July 1998,  provides  services and products
relating to "chemical mechanical  planarization," or CMP. This is the process by
which  surface  materials on a silicon  wafer are removed or polished to make it
possible to add new layers of  integrated  circuit  metal and  insulator  on the
wafer. This technology is primarily used by integrated circuit manufacturers who
use this process in their most advanced circuits.  Large companies which use the
CMP  process  on their  wafers  have the  capability  to  manufacture  their own
customized CMP treated wafer.  However,  the high cost associated with equipment
procurement,  process design and the scarcity of qualified  technicians can make
in-house CMP wafer treatment  economically  unattractive for smaller  companies.
CMPS provides  foundry CMP process  capability for the smaller  manufacturer and
research  and  development  markets.  The CMPS foundry is in the early stages of
marketing  its  services and does not yet have  sufficient  revenue to cover its
operating expenses. CMPS has no material backlog of orders.

ADVANCED TECHNOLOGY SERVICES INC.

ATSI,  which  commenced   business  in  July  1998,  buys  and  sells  pre-owned
semiconductor processing and manufacturing equipment to the world-wide market of
semiconductor companies. These manufacturers purchase used equipment for various
reasons, including the lower cost compared to new equipment, the availability of
such equipment on a more timely basis than new equipment and the need to replace
equipment which is no longer manufactured.

VSM CORPORATION

VSM, which was acquired by Sitek on April 28, 1999, manufactures and refurbishes
semiconductor  process equipment and  subassemblies.  The VSM ultra-pure gas and
chemical  handling  systems  have  wide  applications  in  wafer   manufacturing
operations  and plant  facilities.  VSM has recently  introduced  a  proprietary
magnetic   anneal  furnace  system  that  is  utilized  in  the  fabrication  of
nonvolatile  semiconductor memory circuits and other devices.  Marketing efforts
have recently begun and the level of customer acceptance, if any, of this system
has not yet been determined. A patent application was filed with the U.S. Patent
and Trademark  Office for protection of  intellectual  property  associated with
this system during the three months ended December 31, 1999.

                                       13
<PAGE>
RESULTS OF OPERATIONS

NET SALES

Sitek's net sales of $ 5,492,000 in the three months ended December 31, 1999 and
$ 18,508,000 in the nine months ended December 31, 1999 were  principally due to
resales by ATSI of  $4,294,000  and $  15,405,000,  respectively,  of  pre-owned
semiconductor  capital  equipment.  The current fiscal year net sales  increased
significantly  over sales in the three and nine month periods ended December 31,
1998 when Sitek was operating as a developmental stage company.

A  substantial  portion of the  Company's  inventory of pre-owned  semiconductor
capital  equipment  was  acquired in a single  purchase of  equipment  at a very
attractive price from a discontinued semiconductor manufacturing facility in the
United Kingdom.  As of December 31, 1999, the company sold  approximately 66% of
this equipment.  The company's ability to maintain its current levels of revenue
from sales of pre-owned  equipment  depends on the company's success in locating
pre-owned equipment at acceptable prices. The worldwide supply of and demand for
such equipment  fluctuates widely and is affected by such things as the price of
and  demand  for   semiconductors,   introduction   of  improved   manufacturing
technology,  the age of  semiconductor  equipment  currently  in use,  and other
semiconductor market conditions. There can be no assurance that the company will
be able to locate suitable pre-owned  equipment,  or that such equipment will be
available  at  acceptable  prices or that the  company  will have the  necessary
resources to acquire such equipment if it does become  available.  The Company's
operating results and financial condition would be materially adversely affected
if it is unable to locate  suitable  equipment at acceptable  prices or if it is
unable to exploit such opportunities.

Net sales  attributable  to VSM were $ 1,150,000  during the three  months ended
December  31, 1999 and $ 2,924,000  during the nine months  ended  December  31,
1999. VSM was acquired by Sitek on April 28, 1999.

CMPS  generated  net sales of $ 40,000 during the three months and $ 165,000 for
the nine  months  ended  December  31,  1999.  CMPS had  nominal  revenue in the
comparable year earlier periods.

GROSS MARGIN

Sitek's gross margin was 56.4% for the three months ended  December 31, 1999 and
56.6% for the nine months ended  December 31, 1999 compared with 28.8% and 28.5%
for  the  three  month  and  nine  month  periods   ended   December  31,  1998,
respectively.  This increase was primarily due to increased sales in the current
fiscal year of certain pre-owned  semiconductor  capital  equipment  obtained at
attractive  prices.  The  company  does not  expect to be able to  maintain  its
present gross margins after sale of this pre-owned equipment inventory.

OPERATING EXPENSE

Operating expenses of $ 2,120,212 in the three months ended December 31, 1999 or
38.6% of net sales and $ 5,817,581  for the nine months ended  December 31, 1999
or 31.4% of net sales were  significantly  higher in absolute  dollars  than the
expenses  incurred in the same periods for fiscal 1999 when Sitek  operated as a
developmental   stage   company.   Sitek  has   concentrated   on  building  its
administrative,  selling,  and research,  development and engineering  staff and
infrastructure  during the current  fiscal year to support  existing  and future
growth in sales volume.

Research,  development,  and engineering  expenses were $ 450,000 or 8.2% of net
sales for the three  months  and $  1,117,000  or 6.0% of net sales for the nine
months ended  December 31,  1999.  These  expenses  were  incurred  primarily to
complete the  development  of a new CMP wafer  carrier for use with existing CMP

                                       14
<PAGE>
(Chemical  Mechanical  Planarization)  tools.  Research and development expenses
also were  incurred  during  the  three  months  ended  December  31,  1999 on a
proprietary CMP system,  the Wet-Q 200, which is a wet wafer storage system, and
engineering  expenses  associated with  development of  planarization  processes
related to the CMPS foundry operation.  Research,  development,  and engineering
expenses  incurred in the three and nine  months  ended  December  31, 1998 were
$122,000  and  $234,000,   respectively.   These  expenses   related  mainly  to
engineering efforts in setting up the CMPS facility.

The Company has a number of products in the developmental or beta testing stage.
The company  expects that  completion of the  development of these products will
require   substantial   additional   expenditures  which  cannot  accurately  be
predicted. There can be no assurance that the company will successfully complete
development of or commercially  market such products or that such development is
economically  feasible  or that the  company  will have  adequate  resources  to
complete development or adequately market such products.

Selling,  general  and  administrative  expensives  for the three and nine month
periods  ended  December  31,  1999  were  $1,670,092  or 30.4% of net sales and
$4,700,324  or 25.4% of net  sales,  respectively.  These  expenses  related  to
general business activities including selling and administrative  wages, travel,
legal and accounting,  facility rent, and equipment rentals as well as $ 286,000
and $1,073,000, respectively, in finder's fees expenses associated with the U.K.
pre-owned  inventory  acquisition  as  referred  to in  Note I to the  financial
statements  included  elsewhere herein.  Selling,  general,  and  administrative
expenses of $ 246,000 and $511,000 for the three and nine months ended  December
31, 1998,  respectively,  were primarily due to start-up costs and other general
business activities.

INTEREST EXPENSE

Interest expense during the three months ended December 31, 1999 was $127,000 or
2.3% of net sales as compared to $1,073,000  for the nine months ended  December
31, 1999 or 5.8% of net sales.  Sitek has reduced  its  interest  expense in the
three months ended December 31, 1999 from three months ended  September 30, 1999
due to debt repayment.

Interest expense of $107,000 for the three and nine month periods ended December
31, 1998 was mainly due to pre-owned equipment inventory financing.

                                       15
<PAGE>
LIQUIDITY AND SOURCES OF CAPITAL

Cash flows provided by operating  activities were $5,886,000 for the nine months
ended December 31, 1999,  compared to ($160,526)  for the  comparable  period in
1998. The increase in cash from operations was due to the increase in net sales,
primarily sales of pre-owned equipment. Since commencing operations, the company
has  used  internally  generated  cash and debt  financing  to fund its  product
development and other operating and capital expenditure requirements.

Sitek's  funding  requirements  for the next 12  months  include  corporate  tax
payments,  product  development  expenses and  repayment of debt, in addition to
normal operating  expenses.  The company must fund its next scheduled  corporate
income tax  payment on March 15,  2000.  As of  December  31,  1999,  income tax
payable  totaled  $1,003,000.  In addition,  the company  expects that CMPS will
continue to need additional  funding to support operations until it can generate
sufficient  revenues  to  cover  operating  expenses.  Although  management  has
forecast increased sales at CMPS during the next twelve months,  there can be no
assurance  that such  increase  will occur or that the  company  will  realize a
positive  gross  margin from any such sales.  If sales at CMPS remain  unchanged
from  current  levels,  the company  may be  required to advance  funds of up to
$1,000,000  during the next 12 months to cover operating  expenses.  The company
had total availability of $527,000 under its revolving bank line of credit as of
February  9, 2000 which  bears  interest  at the  lender's  prime rate plus four
percentage  points.  In  addition,  the  Company has the ability to borrow up to
$809,000 from a commercial funding source to be used for pre-owned equipment.

The company also expects to incur  substantial new product  development costs in
the next 12  months.  The amount of these  costs is  difficult  to  predict  and
depends  on  the  attempted  rate  of  development,  technological  difficulties
encountered,  changing  requirements  of  semiconductor  fabricators  and  other
factors.  In  addition,  the company  expects to pursue  attractive  acquisition
opportunities  should they become  available.  The company will not pursue these
activities if sufficient funds are not available.

The company expects to use cash generated from operations and its revolving bank
line of  credit to meet its  funding  needs  during  the next 12  months.  These
sources are not  expected  to be adequate  unless the company can dispose of its
remaining  inventory  of  pre-owned  equipment  acquired  in the  U.K.  and  can
materially  increase  the sales of its VSM and CMPS units.  If these  sources of
funds are  inadequate,  the  company  will be required  to obtain  capital  from
outside  sources,  by issuing  additional  long- or short-term debt or common or
preferred  equity,  either in private or public  offerings.  The  company has no
commitment  from any outside source for such financing and there is no assurance
that such sources would be available to the company in the amount required or on
terms acceptable to the company. Any issuance of equity under such circumstances
may be highly dilutive.

If the company is unable to fund its capital needs through  internal or external
sources,  it will be  forced  to delay or cancel  planned  product  development,
reduce its workforce and manufacturing capability, sell operating assets or some
combination of the foregoing.

                                       16
<PAGE>
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market risk generally represents the risk that losses may occur in the values of
financial  instruments  as a result of  movements  in  interest  rates,  foreign
currency exchange rates and commodity prices.

Interest Rate Risk - The Company  evaluated the potential  effect that near term
changes in interest  rates would have had on the fair value of its interest rate
risk  sensitive  financial  instruments  at year-end.  Due to limited  borrowing
availability,  any near term changes in interest rates would not have a material
adverse affect.

Foreign Exchange Rate Risk - The Company  conducts  business in various parts of
the world and in various  foreign  currencies.  As of  December  31,  1999,  the
company did not have any material  foreign currency risk. The company expects it
may have foreign currency exchange rate risk in the future.

                                       17
<PAGE>
                           PART II - OTHER INFORMATION

ITEM 1: LEGAL PROCEEDINGS.

     Sitek was  named as a  defendant  in a  lawsuit  that was filed on April 1,
1999.  The lawsuit  involves two separate  claims by two  plaintiffs;  EDMOND L.
LONERGAN AND ROBERT F. RUSSO, JR. V. SITEK, INCORPORATED, ET AL., Superior Court
for the State of Arizona,  County of Maricopa,  Case No. CV 99-05785.  The first
plaintiff, Edmond Lonergan, alleges that he was not paid for consulting services
by Global  Semiconductor  Technologies,  Inc., a company  controlled  by certain
shareholders  of SITEK.  Mr.  Lonergan  also claims  that  Global  Semiconductor
Technologies,  Inc. and/or the other defendants misappropriated trade secrets in
conducting  the reverse  merger of Dentmart  into Sitek.  The second  plaintiff,
Robert Russo, Jr., was a former employee of Global  Semiconductor  Technologies,
Inc. Mr. Russo claims that he was wrongfully terminated.  SITEK filed its answer
denying these allegations and intends to defend itself vigorously.  Mr. Lonergan
and Mr. Russo have  demanded the value of  1,000,000  shares of Sitek's  capital
stock and other damages to be proven at trial in their complaint.  Subsequent to
December 31, 1999 Mr. Russo and Sitek  stipulated  all claims be dismissed  with
prejudice,  each party to bear its own costs and attorneys' fees. Mr. Lonergan's
case is ongoing.

ITEM 5: OTHER INFORMATION.

     (a) On January 10, 2000, the Company  entered into a Credit  Agreement with
Imperial  Bank  pursuant to which  Imperial  Bank agreed to provide a $2,000,000
revolving line of credit. A copy of the Credit Agreement is filed herewith.

     (b) On January 20, 2000, the Company  entered into a Commercial  Lease with
Fairmont  Commerce  Center,  LLC to lease  facilities.  A copy of the Commercial
Lease is filed herewith.

ITEM 6: EXHIBITS AND REPORTS ON FORM 8-K

     (a) See Exhibit Index following the signature  page,  which is incorporated
herein by reference.

     (b) Reports on form 8-K

     On May 13,  1999,  the  Company  filed a form 8-K to  report  in Item 2, an
     acquisition of all the outstanding shares of VSM Corporation for $1,000,000
     pursuant to a Stock Purchase Agreement dated April 28, 1999.

                                       18
<PAGE>
                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                       SITEK, INCORPORATED
                                       (Registrant)

Date:  February 11, 2000               By: /s/ Dr. Don M. Jackson
                                           -------------------------------------
                                           Dr. Don M. Jackson
                                           President and Chief Executive Officer

Date:  February 11, 2000               By: /s/ Gloria Zemla
                                           -------------------------------------
                                           Gloria Zemla
                                           Chief Financial Officer

                                       19
<PAGE>
                               SITEK, Incorporated
                 Exhibit Index to Quarterly Report on Form 10-Q
                 For the Quarter Period Ended December 31, 1999

                                                     Incorporated by
Exhibit No.       Description                        Reference to:
- -----------       -----------                        -------------

2.1               Stock Purchase Agreement           Form 8-K filed with the SEC
                  dated April 28, 1999               on May 13, 1999

3.1               Articles of Incorporation of       Form 8-K-filed with the SEC
                  Registrant                         on August 17, 1998

3.2               By laws of Registrant              Form 10-K filed with the
                                                     SEC on April 17, 1998

10.1              Credit Agreement with Imperial     Filed Herewith
                  Bank dated January 10, 2000

10.2              Commercial Lease with Fairmont     Filed Herewith
                  Commerce Center, LLC dated
                  January 20, 2000

27.1              Financial Data Schedule            Filed Herewith

================================================================================










                                CREDIT AGREEMENT

                                 by and between

                  SITEK, INCORPORATED, a Delaware corporation,
           ADVANCED TECHNOLOGY SERVICES, INC., an Arizona corporation

                                       and

                 IMPERIAL BANK, a California banking corporation




                                   Dated as of

                                January 10, 2000










================================================================================
<PAGE>
                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

RECITALS.......................................................................1

ARTICLE 1    DEFINITION OF TERMS...............................................2
      1.1    Definitions.......................................................2
      1.2    References........................................................8
      1.3    Accounting Terms..................................................8

ARTICLE 2    THE RLC...........................................................9
      2.1    Commitment........................................................9
      2.2    Revolving Line of Credit..........................................9
      2.3    RLC Advances......................................................9
      2.4    RLC Payments......................................................9
      2.5    Principal Prepayments; Excess Balance Payment....................10
      2.6    Method of Payment................................................10
      2.7    Collection of Payment............................................10
      2.8    Conditions.......................................................10
      2.9    Other RLC Advances by Lender.....................................11
      2.10   Assignment.......................................................11
      2.11   Fees.............................................................11

ARTICLE 3    SECURITY.........................................................12
      3.1    Security.........................................................12
      3.2    Security Documents...............................................12

ARTICLE 4    CONDITIONS PRECEDENT.............................................13
      4.1    Initial or Any Subsequent Advance................................13
      4.2    No Event of Default..............................................14
      4.3    No Material Adverse Effect.......................................14
      4.4    Representations and Warranties...................................14

ARTICLE 5    REPRESENTATIONS AND WARRANTIES...................................15
      5.1    Recitals.........................................................15
      5.2    Organization and Good Standing...................................15
      5.3    Authorization and Power..........................................15
      5.4    Security Documents...............................................15
      5.5    No Conflicts or Consents.........................................15
      5.6    No Litigation....................................................15
      5.7    Financial Condition..............................................16
      5.8    Taxes............................................................16
      5.9    No Stock Purchase................................................16

                                       -i-
<PAGE>
      5.10   Advances.........................................................16
      5.11   Enforceable Obligations..........................................16
      5.12   No Default.......................................................16
      5.13   Significant Debt Agreements......................................16
      5.14   ERISA............................................................17
      5.15   Compliance with Law..............................................17
      5.16   Solvent..........................................................17
      5.17   Investment Borrower Act..........................................17
      5.18   Title............................................................17
      5.19   Survival of Representations, Etc.................................17
      5.20   Environmental Matters............................................17
      5.21   Licenses, Tradenames.............................................17

ARTICLE 6    AFFIRMATIVE COVENANTS............................................18
      6.1    Financial Statements, Reports and Documents......................18
      6.2    Maintenance of Existence and Rights; Conduct of Business;
             Management.......................................................19
      6.3    Operations and Properties........................................19
      6.4    Authorizations and Approvals.....................................19
      6.5    Compliance with Law..............................................19
      6.6    Payment of Taxes and Other Indebtedness..........................19
      6.7    Compliance with Significant Debt Agreements
             and Other Agreements.............................................20
      6.8    Compliance with Credit Documents.................................20
      6.9    Notice of Default................................................20
      6.10   Other Notices....................................................20
      6.11   Books and Records; Access........................................20
      6.12   ERISA Compliance.................................................20
      6.13   Further Assurances...............................................20
      6.14   Insurance........................................................21
      6.15   Depository Accounts..............................................21
      6.16   Equipment Located in United Kingdom..............................22

ARTICLE 7    NEGATIVE COVENANTS...............................................23
      7.1    No Debt..........................................................23
      7.2    Liens............................................................23
      7.3    Existence........................................................23
      7.4    Amendments to Organizational Documents...........................23
      7.5    Margin Stock.....................................................23
      7.6    Distributions....................................................24
      7.7    Indebtedness; Payments...........................................24
      7.8    Transfer Collateral..............................................24
      7.9    Merger; Sale of Assets...........................................24
      7.10   Financial Covenants..............................................24

                                      -ii-
<PAGE>
ARTICLE 8    EVENTS OF DEFAULT................................................25
      8.1    Events of Default................................................25
      8.2    Remedies Upon Event of Default...................................27
      8.3    Performance by Lender............................................28

ARTICLE 9    MISCELLANEOUS....................................................29
      9.1    Modification.....................................................29
      9.2    Waiver...........................................................29
      9.3    Payment of Expenses..............................................29
      9.4    Notices..........................................................29
      9.5    Governing Law; Jurisdiction, Venue; Waiver of Jury Trial.........30
      9.6    Reference Provision..............................................31
      9.7    Invalid Provisions...............................................32
      9.8    Binding Effect...................................................32
      9.9    Entirety.........................................................32
      9.10   Headings.........................................................32
      9.11   Survival.........................................................32
      9.12   No Third Party Beneficiary.......................................32
      9.13   Time.............................................................33
      9.14   Schedules and Exhibits Incorporated..............................33
      9.15   Counterparts.....................................................33
      9.16   Equipment Located in United Kingdom..............................ii


EXHIBIT "A"  Form of Advance Notice
EXHIBIT "B"  Form of Compliance Certificate
EXHIBIT "C"  Borrowing Base Certificate
EXHIBIT "D"  Subordination Agreement
EXHIBIT "E"  Pending Litigation

                                      -iii-
<PAGE>
                                CREDIT AGREEMENT

     BY THIS CREDIT  AGREEMENT  (together with any amendments or  modifications,
the "Credit  Agreement"),  entered into as of this 10th day of January,  2000 by
and between SITEK,  INCORPORATED,  a Delaware  corporation  ("SITEK"),  ADVANCED
TECHNOLOGY  SERVICES,  INC., an Arizona corporation  ("ATSI";  and together with
SITEK, the "Borrower"), and IMPERIAL BANK, a California banking corporation (the
"Lender"),  in  consideration  of the mutual promises  herein  contained and for
other valuable consideration, the parties hereto do hereby agree as follows:

                                    RECITALS

     A. Borrower has applied to Lender for a revolving  line of credit  facility
(the  "RLC")  in  the  principal  amount  of  TWO  MILLION  AND  NO/100  DOLLARS
($2,000,000.00)  for the purpose of funding  Borrower's  working  capital  needs
related to trading cycles.

     B. As a condition for extending such financial  accommodations,  Lender has
required that Borrower enter into this Credit Agreement,  establishing the terms
and conditions thereof.
<PAGE>
                                    ARTICLE 1

                               DEFINITION OF TERMS

     1.1  DEFINITIONS.  For the  purposes of this Credit  Agreement,  unless the
context  otherwise  requires,  the  following  terms  shall have the  respective
meanings assigned to them in this Article 1 or in the Section hereof referred to
below:

          "ACCOUNTS  RECEIVABLE" means, at any time, the accounts  receivable of
ATSI.

          "ADVANCE" means an RLC Advance.

          "AFFILIATE"  of  any  Person  means  any  Person  which,  directly  or
indirectly,  controls or is controlled by such Person.  For the purposes of this
definition,   "control"  (including,   with  correlative   meanings,   the  term
"controlled by"), as used with respect to any Person, shall mean the possession,
directly or  indirectly,  of the power to direct or cause the  direction  of the
management and policies of such Person, whether by contract or otherwise.

          "APPROVED  CUSTOMERS"  means  the  following  customers  of  ATSI  (as
amended, from time to time, by Lender in its reasonable  discretion):  Phillips,
Motorola,   National  Semiconductor,   Samsung,  Intel,  Fujitsu,   Siemens,  ST
Microelectronics, Sony, AMCC, LSI Logic, Texas Instruments, On Semiconductor and
TSMC.

          "ATSI": See the Preamble hereto.

          "AUTHORIZED  OFFICER"  means one or more  officers  of  Borrower  duly
authorized  (and so certified to Lender by the  corporate  secretary of Borrower
pursuant  to a  certificate  of  authority  and  incumbency  from  time  to time
satisfactory  to Lender in the  exercise  of  Lender's  reasonable  discretion),
acting alone, to request  Advances under the provisions of this Credit Agreement
and execute and deliver documents, instruments,  agreements, reports, statements
and certificates in connection herewith.

          "BANKING  DAY" means a day of the year on which banks are not required
or authorized to close in Inglewood, California and Phoenix, Arizona.

          "BORROWER": See the Preamble hereto.

          "BORROWING  BASE" means the sum of (i) the  Eligible  Accounts  Amount
plus (ii) the Eligible Inventory Amount.

          "BORROWING BASE CERTIFICATE" means a certificate  substantially in the
form attached hereto as Exhibit "C".

                                       -2-
<PAGE>
          "CHANGE IN CONTROL" means the occurrence or existence of the following
events or conditions  without the prior written consent of Lender,  if different
than the state of affairs as of the Closing Date:

               (a) the  acquisition  by any Person or two or more Persons acting
          in concert of Control of the Borrower.

          "CLOSING DATE" means the date of delivery of this Credit Agreement.

          "CODE" means the Internal Revenue Code of 1986, as amended.

          "COLLATERAL" means all property subject to the Security Documents.

          "CONTROL"  when used  with  respect  to any  Person  means the  power,
directly  or  indirectly,  to direct the  management  policies  of such  Person,
whether  through the ownership of voting  securities,  by contract or otherwise;
and the terms  "controlling" and "controlled"  have meanings  correlative to the
foregoing.

          "CONTROLLED GROUP" means,  severally and collectively,  the members of
the group  controlling,  controlled  by and/or in common  control  of  Borrower,
within the meaning of Section 4001(b) of ERISA.

          "CREDIT AGREEMENT": See the Preamble hereto.

          "CREDIT  DOCUMENTS" means this Credit  Agreement,  the Note (including
any renewals, extensions and refundings thereof), the Security Documents and any
written  agreements,  certificates or documents (and with respect to this Credit
Agreement and such other written  agreements  and  documents,  any amendments or
supplements thereto or modifications  thereof) executed or delivered pursuant to
the terms of this Credit Agreement.

          "DEFAULT  RATE" means at any time five percent (5%) per annum over the
then applicable interest rate.

          "DOLLARS"  and the sign "$" mean lawful  currency of the United States
of America.

          "EBITDA"  means Net Income,  plus the sum of all amounts  deducted for
interest expense, tax expense,  depreciation and amortization, in computing such
Net Income.

          "EBITDA RATIO" means EBITDA divided by Borrower's interest expense.

          "ELIGIBLE   ACCOUNTS"   means  those   accounts   receivable  of  ATSI
attributable  to the  Approved  Customers  and as Lender in its sole  discretion
shall  determine are eligible  from time to time.  Eligible  Accounts  shall not
include any of the following:

                                       -3-
<PAGE>
               (a) Account  balances over ninety (90) calendar days from the due
          date; provided,  however,  that in no event shall the due date be more
          than thirty (30) days after the invoice date.

               (b)  Accounts  with  respect  to which the  account  debtor is an
          officer, director,  shareholder,  employee, subsidiary or affiliate of
          Borrower.

               (c) [Intentionally Deleted.]

               (d) [Intentionally Deleted.]

               (e) Unless the account debtor is an Approved  Customer,  accounts
          with  respect  to  international  transactions  unless  insured  by an
          insurance  company  acceptable  to  Lender in its sole  discretion  or
          covered by letters of credit issued or confirmed by a bank  acceptable
          to Lender or unless  otherwise  acceptable to Lender,  in its sole and
          absolute discretion.

               (f) [Intentionally Deleted.]

               (g)  Accounts  where the account  debtor is a seller to Borrower,
          whereby a  potential  offset  (contra)  exists,  to the  extent of the
          offset.

               (h) Consignment or guaranteed sales.

               (i) [Intentionally Deleted.]

               (j) Contracts receivable.

               (k) Progress billings.

               (l) Accounts with respect to  installment  sales to the extent of
          amounts not yet due and payable or, if due and payable,  balances that
          are over sixty (60) calendar days from their due date.

          "ELIGIBLE  ACCOUNTS  AMOUNT"  means an  amount  equal to  seventy-five
percent (75.0%) of the Eligible Accounts.

          "ELIGIBLE  INVENTORY"  means that  inventory of ATSI that  consists of
finished goods and that is located in the United  States,  all of which shall be
valued at the lower of actual cost or market value in accordance with GAAP.

                                       -4-
<PAGE>
          "ELIGIBLE  INVENTORY  AMOUNT"  means an amount equal to fifty  percent
(50.0%) of the Eligible Inventory.

          "ERISA" means the Employee  Retirement Income Security Act of 1974, as
amended,  together  with all final and  permanent  regulations  issued  pursuant
thereto.  References  herein to sections and  subsections of ERISA are deemed to
refer to any successor or substitute provisions therefor.

          "EVENT OF DEFAULT": See Section 8.1.

          "EXCHANGE ACT" means the Securities Exchange Act of 1934.

          "FINANCIAL COVENANTS": See Section 7.10 hereof.

          "GAAP"  means  those  generally  accepted  accounting  principles  and
practices  which are  recognized as such by the American  Institute of Certified
Public  Accountants  acting  through its Accounting  Principles  Board or by the
Financial  Accounting  Standards  Board or through other  appropriate  boards or
committees thereof and which are consistently  applied for all periods after the
date hereof so as to properly reflect the financial  condition,  and the results
of operations  and changes in the  financial  position,  of Borrower,  including
without limitation  accounting rules promulgated  pursuant to Regulations SX and
SK, except that any accounting  principle or practice  required to be changed by
the said Accounting Principles Board or Financial Accounting Standards Board (or
other appropriate board or committee of the said Boards) in order to continue as
a generally accepted accounting principle or practice may be so changed.

          "GOVERNMENTAL  AUTHORITY"  means  any  government  (or  any  political
subdivision  or  jurisdiction   thereof),   court,   bureau,   agency  or  other
governmental authority having jurisdiction over Borrower or any of its business,
operations or properties.

          "INDEBTEDNESS"  of a  Person  means  each  of the  following  (without
duplication):  (a) obligations of that Person to any other Person for payment of
borrowed  money,  (b) capital lease  obligations,  (c) notes and drafts drawn or
accepted by that Person payable to any other Person, whether or not representing
obligations  for borrowed  money (but without  duplication of  indebtedness  for
borrowed  money),  (d) any  obligation  for the  purchase  price of property the
payment of which is deferred  for more than one year or  evidenced  by a note or
equivalent instrument,  (e) guarantees of Indebtedness of third parties, and (f)
a recourse or nonrecourse payment obligation of any other Person that is secured
by a Lien on any  property  of the first  Person,  whether or not assumed by the
first  Person,  up to the fair market value (from time to time) of such property
(absent  manifest  evidence  to the  contrary,  the  fair  market  value of such
property  shall be the  amount  determined  under GAAP for  financial  reporting
purposes).

          "LENDER": See the Preamble hereto.

                                       -5-
<PAGE>
          "LIEN" means any lien, mortgage,  security interest, tax lien, pledge,
encumbrance,  conditional  sale or title  retention  arrangement,  or any  other
interest in property  designed to secure the repayment of  Indebtedness  whether
arising by agreement or under any statute or law, or otherwise.

          "LOAN" or "Loans" means the RLC.

          "LOAN FEE": See Section 2.8 hereto.

          "MATERIAL  ADVERSE  EFFECT" means any  circumstance or event which (i)
has any  material  adverse  effect upon the  validity or  enforceability  of any
Credit Document,  (ii) materially impairs the ability of Borrower to fulfill its
obligations under the Credit  Documents,  or (iii) causes an Event of Default or
any event which,  with notice or lapse of time or both, would become an Event of
Default.

          "NET  INCOME"  means,  for any period,  the net income of Borrower for
such period in accordance with GAAP, determined on a consolidated basis.

          "NOTE" means that Revolving  Promissory  Note of even date herewith in
the amount of the RLC, executed by Borrower and delivered  pursuant to the terms
of this Credit agreement, together with any renewals, extensions,  modifications
or replacements thereof.

          "OBLIGATION"  means all present and future  indebtedness,  obligations
and liabilities of Borrower to Lender, and all renewals and extensions  thereof,
or any part thereof, arising pursuant to this Credit Agreement or represented by
the  Note,  including  without  limitation  the Loan and all  interest  accruing
thereon,  and attorneys' fees incurred in the enforcement or collection thereof,
regardless of whether such indebtedness, obligations and liabilities are direct,
indirect, fixed, contingent,  joint, several or joint and several; together with
all indebtedness,  obligations and liabilities of Borrower  evidenced or arising
pursuant to any of the other Credit  Documents,  and all renewals and extensions
thereof, or part thereof.

          "PAYMENT  DATE"  with  respect  to a Loan  means the tenth day of each
month,  commencing  the  tenth day of the first  month  after the first  Advance
applicable  to such Loan shall have been made,  provided that if any such day is
not a Banking Day, then such Payment Date shall be the next  successive  Banking
Day.

          "PBGC"  means  the  Pension  Benefit  Guaranty  Corporation,  and  any
successor  to  all  or  substantially   all  of  the  Pension  Benefit  Guaranty
Corporation's functions under ERISA.

          "PERMITTED LIENS" means:

               (a) Liens in Lender's favor.

               (b) Liens for taxes not delinquent.

                                       -6-
<PAGE>
               (c)  Liens  resulting  from or  hereafter  arising  from  the TLD
          Funding Credit Facility.

               (d) Liens  resulting  from  purchase  money  financing  as to the
          personal property so financed and any sales proceeds.

          "PERSON"  includes an individual,  a corporation,  a joint venture,  a
partnership,   a  trust,  a  limited  liability   Borrower,   an  unincorporated
organization or a government or any agency or political subdivision thereof.

          "PLAN" means an employee defined benefit plan or other plan maintained
by  Borrower  for  employees  of Borrower  and covered by Title IV of ERISA,  or
subject to the minimum funding standards under Section 412 of the Code.

          "PLEDGE AGREEMENT": See Section 3.1(b) hereof.

          "PRIME RATE" means the interest rate per annum  publicly  announced by
Lender,  or its successors,  as its "prime rate" as in effect from time to time.
Borrower  acknowledges that the Prime Rate is not necessarily the best or lowest
rate  offered by Lender and Lender may lend to its  customers  at rates that are
at, above or below its Prime Rate.

          "QUARTERLY  END DATE" means each March 31, June 30,  September  30 and
December 31.

          "REGULATION  U"  means  Regulation  U  promulgated  by  the  Board  of
Governors  of the  Federal  Reserve  System,  12 C.F.R.  Part 221,  or any other
regulation hereafter promulgated by said Board to replace the prior Regulation U
and having substantially the same function.

          "REPORTABLE  EVENT"  means  any  "reportable  event" as  described  in
Section  4043(b)  of ERISA  with  respect  to which the  thirty  (30) day notice
requirement has not been waived by the PBGC.

          "RLC" means that  revolving line of credit made available by Lender to
Borrower pursuant to Article 2 hereof.

          "RLC ADVANCE" means a disbursement of the proceeds of the RLC.

          "RLC COMMITMENT" means Two Million And No/100 Dollars ($2,000,000.00).

          "RLC FEE": See Section 2.11 hereof.

          "RLC MATURITY DATE" means January 9, 2001.

          "SECURITY AGREEMENT": See Section 3.1(a) hereof.

                                       -7-
<PAGE>
          "SECURITY DOCUMENTS": See Section 3.2 hereof.

          "SIGNIFICANT  DEBT  AGREEMENT"  means all documents,  instruments  and
agreements   executed  by  Borrower,   evidencing,   securing  or  ensuring  any
Indebtedness of Borrower or any guaranty in excess of $100,000.00 in outstanding
principal (or principal equivalent) amount.

          "SITEK": See the Preamble hereto.

          "SUBORDINATED DEBT" means Indebtedness of Borrower subordinated to the
payment of the Obligation pursuant to written agreements acceptable to Lender.

          "SUBORDINATION    AGREEMENT"    means   a   Subordination    Agreement
substantially in form attached hereto as Exhibit "D".

          "SUBSIDIARY"  means  any  corporation  of which  more  than 50% of the
outstanding  shares of capital stock having  general voting power under ordinary
circumstances to elect a majority of the board of directors of such corporation,
irrespective  of whether or not at the time stock of any other  class or classes
shall  have or  might  have  voting  power by  reason  of the  happening  of any
contingency, is at the time directly or indirectly owned by the Borrower, by the
Borrower  and  one  or  more  other  Subsidiaries,  or  by  one  or  more  other
Subsidiaries.

          "TLD FUNDING" means TLD Funding Group, Inc., an Arizona corporation.

          "TLD  FUNDING  CREDIT  FACILITY"  means that certain  credit  facility
provided to Borrower by TLD Funding in an amount equal to $1,000,000.00  for the
purchase of equipment inventory.

          "VARIABLE  RATE"  means the rate per annum equal to (i) the Prime Rate
per annum as in effect from time to time,  plus (ii) four  percent  (4.0%).  The
Variable Rate will change on each day that the "Prime Rate" changes.

     1.2 REFERENCES.  Capitalized terms shall be equally  applicable to both the
singular  and the  plural  forms of the terms  therein  defined.  References  to
"Credit Agreement," "this Agreement," "herein," "hereof,"  "hereunder," or other
like words mean this  Credit  Agreement  as amended,  supplemented,  restated or
otherwise modified and in effect from time to time.

     1.3 ACCOUNTING TERMS.  Except as expressly provided to the contrary herein,
all  accounting  terms shall be interpreted  and all  accounting  determinations
shall be made in accordance with GAAP, except as otherwise specifically provided
for  herein.  To the  extent  any  change in GAAP  affects  any  computation  or
determination  required  to be made  pursuant  to this  Credit  Agreement,  such
computation  or  determination  shall be made as if such  change in GAAP had not
occurred  unless  Borrower and Lender agree in writing on an  adjustment to such
computation or determination to account for such change in GAAP.

                                       -8-
<PAGE>
                                    ARTICLE 2

                                     THE RLC

     2.1 COMMITMENT.  Subject to the conditions herein set forth,  Lender agrees
to make the RLC available to or for the benefit of Borrower, and Borrower agrees
to draw upon the RLC,  in the  manner and upon the terms and  conditions  herein
expressed, amounts that shall not exceed the lesser of the RLC Commitment or the
Borrowing Base.

     2.2 REVOLVING LINE OF CREDIT.

          (a)  Subject  to the terms  and  conditions  set forth in this  Credit
     Agreement,  the RLC shall be a revolving line of credit,  against which RLC
     Advances may be made to  Borrower,  repaid by Borrower and new RLC Advances
     made to Borrower, as Borrower may request, provided that (i) no RLC Advance
     shall be made if an  Event of  Default  shall  be  continuing,  (ii) no RLC
     Advance shall be made that would cause the outstanding principal balance of
     the RLC to exceed the lesser of the RLC  Commitment or the Borrowing  Base,
     and (iii) no RLC Advance shall be made on or after the RLC Maturity Date.

          (b) The RLC shall be evidenced by the Note.

     2.3 RLC  ADVANCES.  An RLC Advance shall be made by Lender to Borrower upon
written  notice  from  Borrower in  substantially  the form  attached  hereto as
Exhibit "A" hereof from an  Authorized  Officer  (which notice  Borrower  hereby
authorizes Lender to accept by telefacsimile) and shall include the date and the
amount of the requested RLC Advance. If such notice is received by Lender before
noon  (Inglewood,  California  local time) on any Banking Day,  Lender agrees to
make such RLC Advance no later than the next Banking Day.

     2.4 RLC PAYMENTS. The RLC shall bear interest and be payable to Lender upon
the following terms and conditions:

          (a) Interest on an RLC Advance shall accrue at the Variable Rate.

          (b) All accrued interest on an RLC Advance shall be due and payable on
     each Payment Date.

          (c) If any payment of interest  and/or  principal  is not  received by
     Lender when such payment is due, then in addition to the remedies conferred
     upon the Lender under the Credit  Documents,  a late charge of five percent
     (5%) of the amount of the  installment  due and unpaid will be added to the
     delinquent  amount to compensate the Lender for the expense of handling the
     delinquency  for any payment  past due,  regardless  of any notice and cure
     period.

                                       -9-
<PAGE>
          (d) Upon the  occurrence  of an Event of Default  and after  maturity,
     including  maturity upon acceleration,  the unpaid principal  balance,  all
     accrued and unpaid interest and all other amounts  payable  hereunder shall
     bear interest at the Default Rate.

          (e) The unpaid principal balance,  all accrued and unpaid interest and
     all other amounts  payable  hereunder  with respect to the RLC shall be due
     and payable in full on the RLC Maturity Date.

     2.5 PRINCIPAL PREPAYMENTS; EXCESS BALANCE PAYMENT.

          (a) Borrower may prepay the outstanding  principal  balance of the RLC
     in whole or in part at any time  prior  to the RLC  Maturity  Date  without
     penalty or premium as stated in such notice by Borrower, provided that such
     prepayment also includes accrued interest to the date of such prepayment on
     the principal amount prepaid.

          (b) There  shall be due and  payable  from  Borrower  to  Lender,  and
     Borrower shall repay to Lender, within five (5) days of written demand from
     Lender,  from time to time, any amount by which the  outstanding  principal
     balance  of the  RLC  exceeds  the  lesser  of the  RLC  Commitment  or the
     Borrowing Base.

     2.6 METHOD OF PAYMENT.  All payments of principal  of, and interest on, the
Note  shall be made to Lender  before  2:00 p.m.  (Inglewood,  California  local
time), in immediately  available  funds.  All payments made on the Note shall be
credited,  to the extent of the amount  thereof,  in the following  manner:  (i)
first,  to the payment of costs,  fees or other  charges  incurred in connection
with the RLC;  (ii) second,  to the payment of accrued  interest on the RLC; and
(iii) third, to the reduction of the principal balance of the RLC.

     2.7  COLLECTION  OF  PAYMENT.  Borrower  authorizes  Lender to collect  all
interest,  fees,  costs  and/or  expenses  due under this  Agreement by charging
Borrower's  demand  deposit  account  with Lender for the full  amount  thereof.
Should there be insufficient funds in any such demand deposit account to pay all
such sums when due, the full amount of such deficiency  shall be immediately due
and payable by Borrower.

     2.8  CONDITIONS.  Lender shall have no  obligation  to make any RLC Advance
unless and until all of the conditions and requirements of this Credit Agreement
are fully  satisfied.  However,  Lender in its sole and absolute  discretion may
elect to make one or more RLC Advances prior to full satisfaction of one or more
such conditions and/or requirements. Notwithstanding that such an RLC Advance or
RLC Advances are made, such unsatisfied conditions and/or requirements shall not
be waived or released thereby. Borrower shall be and continue to be obligated to
fully satisfy such  conditions  and  requirements,  and Lender,  at any time, in
Lender's sole and absolute  discretion,  may stop making RLC Advances  until all
conditions and requirements are fully satisfied.

                                      -10-
<PAGE>
     2.9 OTHER RLC ADVANCES BY LENDER.  Lender,  after giving  fifteen (15) days
prior written  notice to Borrower to allow for corrective  action,  from time to
time, may make RLC Advances in any amount in payment of (i) insurance  premiums,
taxes,  assessments,  liens or encumbrances existing against property encumbered
by the Security Documents, (ii) interest accrued and payable upon the RLC, (iii)
any charges and expenses that are the  obligation of Borrower  under this Credit
Agreement or any Security Document, and (iv) any charges or matters necessary to
preserve the property  encumbered by the Security Documents or to cure any still
existing Event of Default.

     2.10  ASSIGNMENT.  Borrower shall have no right to the proceeds of the Loan
other  than to have  the  same  disbursed  by  Lender  in  accordance  with  the
disbursement  provisions  contained in this Credit Agreement.  Any assignment or
transfer,  voluntary  or  involuntary,  of this  Credit  Agreement  or any right
hereunder  shall not be binding  upon or in any way affect  Lender  without  its
written consent.

     2.11 FEES. In connection with the Loan, Borrower agrees to pay to Lender on
the Closing Date a non-refundable  fee in the amount of one and one-half percent
(1.50%) of the RLC Commitment (the "RLC Fee").

                                      -11-
<PAGE>
                                    ARTICLE 3

                                    SECURITY

     3.1 SECURITY. So long as any Loan is outstanding, Borrower shall cause such
Loan and Borrower's obligations under this Credit Agreement to be secured at all
times by the following:

          (a)  A  valid  and  effective   security   agreement   (the  "Security
     Agreement"),  duly  executed  and  delivered  by or on behalf of  Borrower,
     granting  Lender a valid and  enforceable  security  interest in all of its
     personal  property as described  therein,  subject to no prior Liens except
     for Permitted Liens.

          (b) A  pledge  and  irrevocable  proxy  security  agreement  from  the
     Borrower (the "Pledge Agreement"),  assigning,  transferring,  pledging and
     delivering  to Lender and granting to Lender a security  interest in all of
     ATSI's common stock.

     3.2 SECURITY  DOCUMENTS.  All of the  documents  required by this Article 3
shall be in form satisfactory to Lender and Lender's counsel, and, together with
any  Financing  Statements  for filing  and/or  recording,  and any other  items
required  by Lender  to fully  perfect  and  effectuate  the liens and  security
interests  of Lender  contemplated  by the Security  Agreement,  and this Credit
Agreement,  may  heretofore  or  hereinafter  be  referred  to as the  "Security
Documents."

                                      -12-
<PAGE>
                                    ARTICLE 4

                              CONDITIONS PRECEDENT

     The  obligation of Lender to make any Loan and to make each and any Advance
hereunder is subject to the full prior satisfaction at each such time of each of
the following conditions precedent:

     4.1  INITIAL OR ANY  SUBSEQUENT  ADVANCE.  Prior to its making the  initial
Advance or any subsequent Advance, Lender shall have received the following each
in form and substance satisfactory to Lender:

          (a) THIS CREDIT AGREEMENT.  This Credit  Agreement,  duly executed and
     delivered to Lender by Borrower.

          (b) THE NOTE. The Note,  duly  executed,  drawn to the order of Lender
     and otherwise as provided in Article 2 hereof.

          (c)  ORGANIZATIONAL  DOCUMENTS.  A copy of the current  organizational
     documents of  Borrower,  including  all  amendments  thereto,  certified as
     current  and  complete  by the  appropriate  authority  of the state of its
     formation,  together  with  evidence  of its good  standing in its state of
     formation.

          (d) MEMBER  AUTHORIZATION.  An  authorization  signed by its  members,
     authorizing  the RLC, the  execution,  delivery,  and  performance  of this
     Credit  Agreement,  the Note,  the Credit  Documents,  and all  advances of
     credit hereunder.

          (e) SECURITY  AGREEMENT.  The Security  Agreement,  duly  executed and
     delivered to Lender by Borrower.

          (f)  PLEDGE  AGREEMENT.  The  Pledge  Agreement,   duly  executed  and
     delivered to Lender by Borrower.

          (g) LENDER'S  FEES AND COSTS.  Payment of the RLC Fee in the amount of
     $30,000.00 plus Lender's other fees and costs.

          (h) COMPLIANCE CERTIFICATE.  A Compliance Certificate substantially in
     the form of Exhibit "B" attached  hereto,  indicating  that  Borrower is in
     compliance with the Financial Covenants as of September 30, 1999.

          (i)  FINANCING  STATEMENTS.  Financing  Statements,  duly executed and
     delivered to Lender by Borrower.

                                      -13-
<PAGE>
          (j)  ACCOUNTS  RECEIVABLE.   A  listing  and  aging  of  the  accounts
     receivable of Borrower as of November 30, 1999.

          (k) [INTENTIONALLY DELETED.]

          (l) BORROWER'S FINANCIAL  STATEMENTS.  Borrower's 1999 fiscal year end
     financial  statements  audited by a certified public accountant  reasonably
     acceptable to Lender.

          (m) ADDITIONAL  INFORMATION.  Such other  information and documents as
     may reasonably be required by Lender or Lender's counsel.

     4.2 NO EVENT OF DEFAULT.  No Event of Default known to Borrower  shall have
occurred and be continuing, or result from Lender's making of any Loan.

     4.3 NO MATERIAL ADVERSE EFFECT. Since the date of the most recent financial
statements provided to Lender by Borrower,  no change shall have occurred in the
business or financial  condition of Borrower that could have a Material  Adverse
Effect.

     4.4  REPRESENTATIONS  AND WARRANTIES.  The  representations  and warranties
contained  in  Article  5  hereof  shall  be true and  correct  in all  material
respects, with the same force and effect as though made on and as of the Closing
Date  (other than those of such  representations  which by their  express  terms
speak to a date prior to that date, which representations shall, in all material
respects, be true and correct as of such respective date).

                                      -14-
<PAGE>
                                    ARTICLE 5

                         REPRESENTATIONS AND WARRANTIES

     To induce  Lender to make the Loans,  Borrower  represents  and warrants to
Lender that:

     5.1  RECITALS.  The recitals  and  statements  of intent  appearing in this
Credit Agreement are true and correct.

     5.2 ORGANIZATION AND GOOD STANDING. It is duly organized,  validly existing
and in good standing in all states  and/or  countries in which the nature of its
business and property makes such qualifications necessary or appropriate. It has
the legal power and authority to own its  properties  and assets and to transact
the  business in which it is engaged and is or will be qualified in those states
and/or countries  wherein the nature of its proposed  business and property will
make such qualifications necessary or appropriate in the future.

     5.3  AUTHORIZATION  AND POWER. It has the power and requisite  authority to
execute,  deliver and  perform  this  Credit  Agreement,  the Note and the other
Credit  Documents to be executed by it; it is duly  authorized to, and has taken
all action,  corporate or  otherwise,  necessary  to  authorize it to,  execute,
deliver  and  perform  this  Credit  Agreement,  the Note and such other  Credit
Documents and is and will continue to be duly  authorized to perform this Credit
Agreement, the Note and such other Credit Documents.

     5.4 SECURITY  DOCUMENTS.  The liens,  security  interests  and  assignments
created by the Security  Documents will, when granted,  be valid,  effective and
enforceable liens, security interests and assignments,  except to the extent (if
any) otherwise agreed in writing by Lender.

     5.5 NO CONFLICTS OR CONSENTS.  Neither the  execution  and delivery of this
Credit Agreement, the Note or the other Credit Documents to which it is a party,
nor the consummation of any of the transactions herein or therein  contemplated,
nor  compliance  with the  terms  and  provisions  hereof  or with the terms and
provisions  thereof,  (a) will  materially  contravene or conflict with: (i) any
provision  of law,  statute  or  regulation  to  which it is  subject,  (ii) any
judgment, license, order or permit applicable to it, (iii) any indenture, credit
agreement, mortgage, deed of trust, or other agreement or instrument to which it
is a party or by which it may be bound,  or to which it may be  subject,  or (b)
will  violate  any  provision  of  its  organizational  documents.  No  consent,
approval, authorization or order of any court or Governmental Authority or other
Person is required in  connection  with the  execution and delivery by it of the
Credit  Documents  or to  consummate  the  transactions  contemplated  hereby or
thereby, or if required,  such consent,  approval,  authorization or order shall
have been obtained.

     5.6 NO  LITIGATION.  Except for those  matters  disclosed  in  Exhibit  "E"
attached hereto and by this reference incorporated herein, there are no actions,
suits or legal, equitable, arbitration or administrative proceedings pending, or
to its actual  knowledge  overtly  threatened,  against  Borrower that would, if
adversely determined, have a Material Adverse Effect.

                                      -15-
<PAGE>
     5.7  FINANCIAL  CONDITION.  It  has  delivered  to  Lender  copies  of  the
Borrower's most recent financial statements.  Such financial statements,  in all
material  respects,  fairly and  accurately  present the  financial  position of
Borrower as of such date, have been prepared in accordance with GAAP and neither
contain  any untrue  statement  of a material  fact nor fail to state a material
fact required in order to make such financial  statement not  misleading.  Since
the date thereof,  Borrower has not discovered any  obligations,  liabilities or
indebtedness  (including  contingent and indirect liabilities and obligations or
unusual  forward or long-term  commitments)  which in the aggregate are material
and adverse to the  financial  position or business of Borrower that should have
been but were not reflected in such  financial  statements.  No changes having a
Material Adverse Effect have occurred in the financial  condition or business of
Borrower since the date of such financial statements.

     5.8 TAXES. It has filed or caused to be filed all returns and reports which
are required to be filed by any jurisdiction, and has paid or made provision for
the  payment  of all  taxes,  assessments,  fees or other  governmental  charges
imposed upon its  properties,  income or franchises,  as to which the failure to
file or pay would have a Material  Adverse  Effect,  except such  assessments or
taxes,  if  any,  which  are  being  contested  in  good  faith  by  appropriate
proceedings.

     5.9  NO  STOCK  PURCHASE.   No  part  of  the  proceeds  of  any  financial
accommodation  made by Lender in connection  with this Credit  Agreement will be
used to purchase or carry "margin  stock," as that term is defined in Regulation
U, or to extend  credit to others for the purpose of purchasing or carrying such
margin stock.

     5.10  ADVANCES.  Each  request for an Advance or for the  extension  of any
financial  accommodation  by Lender  whatsoever  shall constitute an affirmation
that the representations and warranties contained herein are true and correct as
of the time of such request.  All  representations  and  warranties  made herein
shall survive the execution of this Credit  Agreement,  all advances of proceeds
of the  Loans  and  the  execution  and  delivery  of all  other  documents  and
instruments in connection with the Loans and/or this Credit  Agreement,  so long
as Lender has any  commitment  to lend  hereunder  and until the Loans have been
paid in full and all of Borrower's obligations under this Credit Agreement,  the
Note and all Security Documents have been fully discharged. Any investigation at
any time made by or on behalf of Lender  shall not  diminish  Lender's  right to
rely on the representations and warranties herein.

     5.11 ENFORCEABLE OBLIGATIONS. This Credit Agreement, the Note and the other
Credit  Documents  are the legal,  valid and binding  obligations  of  Borrower,
enforceable  against Borrower in accordance with their respective terms,  except
as limited by  bankruptcy,  insolvency or other laws or equitable  principles of
general application relating to the enforcement of creditors' rights.

     5.12 NO DEFAULT.  No event or condition has occurred and is continuing that
constitutes an Event of Default.

                                      -16-
<PAGE>
     5.13  SIGNIFICANT  DEBT  AGREEMENTS.  It is not in default in any  material
respect under any Significant Debt Agreement.

     5.14 ERISA.  (a) No Reportable  Event has occurred and is  continuing  with
respect to any Plan;  (b) PBGC has not  instituted  proceedings to terminate any
Plan;  (c) neither the Borrower,  any member of the  Controlled  Group,  nor any
duly-appointed  administrator  of a Plan (i) has incurred any  liability to PBGC
with  respect to any Plan other than for premiums not yet due or payable or (ii)
has  instituted or intends to institute  proceedings to terminate any Plan under
Section  4041 or  4041A  of  ERISA;  and (d)  each  Plan of  Borrower  has  been
maintained and funded in all material  respects in accordance with its terms and
in all material  respects in accordance with all provisions of ERISA  applicable
thereto. Neither the Borrower nor any of its Subsidiaries participates in, or is
required  to make  contributions  to, any  Multi-employer  Plan (as that term is
defined in Section 3(37) of ERISA).

     5.15  COMPLIANCE  WITH LAW. It is in substantial  compliance with all laws,
rules,  regulations,  orders, writs, injunctions and decrees that are applicable
to it, or its properties, noncompliance with which would have a Material Adverse
Effect.

     5.16  SOLVENT.  It (both  before  and  after  giving  effect  to the  Loans
contemplated hereby) is solvent, has assets having a fair value in excess of the
amount  required to pay its probable  liabilities  on its existing debts as they
become absolute and matured,  and has, and will have, access to adequate capital
for the  conduct of its  business  and the ability to pay its debts from time to
time incurred in connection therewith as such debts mature.

     5.17 INVESTMENT  BORROWER ACT. It is not, and is not directly or indirectly
controlled  by, or acting on behalf  of,  any  person  which is, an  "Investment
Borrower" within the meaning of the Investment Borrower Act of 1940, as amended.

     5.18 TITLE. It has good and marketable title to the Collateral.

     5.19 SURVIVAL OF  REPRESENTATIONS,  ETC. All representations and warranties
by Borrower  herein shall  survive the making of any Loan and the  execution and
delivery  of any  Note;  any  investigation  at any time made by or on behalf of
Lender  shall not diminish  Lender's  right to rely on the  representations  and
warranties herein.

     5.20  ENVIRONMENTAL  MATTERS.  Except as previously  disclosed to Lender in
writing,  it,  to the  best of its  knowledge  after  due  investigation,  is in
compliance in all material  respects with all applicable  environmental,  health
and safety  statutes and  regulations  and  Borrower  does not have any material
contingent  liability in  connection  with any improper  treatment,  disposal or
release into the environment of any hazardous or toxic waste or substance.

     5.21  LICENSES,  TRADENAMES.  It,  as of the  date  hereof,  possesses  all
necessary  trademarks,  tradenames,  copyrights,  patents,  patent  rights,  and
licenses to conduct its  business as now  operated,  without any known  conflict
with valid  trademarks,  tradenames,  copyright  patents and  license  rights of
others.

                                      -17-
<PAGE>
                                    ARTICLE 6

                              AFFIRMATIVE COVENANTS

     Until  payment  in full of the Loan  and the  complete  performance  of the
Obligation, Borrower agrees that:

     6.1 FINANCIAL STATEMENTS, REPORTS AND DOCUMENTS. It shall deliver, or cause
to be delivered, to Lender each of the following:

          (a) ANNUAL  STATEMENTS  OF BORROWER.  As soon as available  and in any
     event  within  ninety  (90) days  after the  close of each  fiscal  year of
     Borrower,  audited financial statements of Borrower,  including its balance
     sheet as of the  close of such  fiscal  year and  statements  of  income of
     Borrower for such fiscal year,  in each case setting  forth in  comparative
     form the figures for the preceding  fiscal year,  all in reasonable  detail
     and  accompanied by an unqualified  opinion  thereon of independent  public
     accountants  of  recognized  national  standing  selected by  Borrower  and
     acceptable to Lender,  to the effect that such  financial  statements  have
     been prepared in accordance with GAAP.

          (b) MONTHLY STATEMENTS OF BORROWER.  As soon as available,  and in any
     event within  thirty (30) days after the end of each month (except for that
     at the  close of the  fiscal  year),  an aging  report  as to its  accounts
     payable  as of the  end of such  month,  copies  of the  balance  sheet  of
     Borrower  as of the end of such month and  statement  of income of Borrower
     for that  month and for the  portion of the fiscal  year  ending  with such
     month,  prepared on a  consolidating  and  consolidated  basis in each case
     setting forth in comparative form the figures for the corresponding  period
     of the preceding fiscal year  (commencing  with the comparative  report for
     the month of April  2000),  all in  reasonable  detail and  fairly  stated,
     certified by Borrower and prepared by Borrower in accordance with GAAP.

          (c) COMPLIANCE CERTIFICATE OF BORROWER.  Within thirty (30) days after
     the end of each  quarter  hereafter  and ninety (90) days after the year of
     each fiscal year of Borrower,  a certificate  signed by the chief financial
     officer of the Borrower,  substantially in the form of Exhibit "B" attached
     hereto  certifying that after a review of the activities of Borrower during
     such period, Borrower has observed,  performed and fulfilled each and every
     obligation  and covenant  contained  herein and no Event of Default  exists
     under any of the same or,  if any Event of  Default  shall  have  occurred,
     specifying  the nature and status  thereof,  and stating that all financial
     statements  of Borrower  delivered to Lender during the  respective  period
     pursuant to Sections 6.1(a) and 6.1(b) hereof, to his/her knowledge, fairly
     present in all material respect the financial  position of the Borrower and
     the results of its  operations at the dates and for the periods  indicated,
     and have been prepared in accordance with GAAP, together with a calculation
     of the Financial Covenants.

                                      -18-
<PAGE>
          (d) BORROWING BASE CERTIFICATE.  Within ten (10) days after the end of
     each month, a Borrowing Base Certificate substantially in the form attached
     hereto as Exhibit "C".

          (e) OTHER MONTHLY REPORTS.  Within ten (10) days after the end of each
     month,  reports as to its accounts  receivable and inventory located in the
     United States,  except Lender in its sole discretion may not require any of
     these reports. Lender's waiver of this requirement for any particular month
     shall not constitute a waiver for any subsequent month.

          (f) OTHER INFORMATION. Such other information concerning the business,
     properties  (including  customer  lists and  product  detail) or  financial
     condition of Borrower as Lender shall reasonably request.

     6.2 MAINTENANCE OF EXISTENCE AND RIGHTS;  CONDUCT OF BUSINESS;  MANAGEMENT.
It will preserve and maintain its  existence and all of its rights,  privileges,
licenses,  permits,  franchises  and other rights  necessary or desirable in the
normal conduct of its business, conduct its business in an orderly and efficient
manner  consistent  with  good  business  practices  and  maintain  professional
management of its business.

     6.3  OPERATIONS  AND  PROPERTIES.  It will keep in good  working  order and
condition,  ordinary wear and tear  excepted,  all of its assets and  properties
which are necessary to the conduct of its business.

     6.4 AUTHORIZATIONS AND APPROVALS. It will maintain, at its own expense, all
such governmental licenses,  authorizations,  consents, permits and approvals as
may be required to enable it to comply with its obligations  hereunder and under
the other  Credit  Documents  and to operate  its  businesses  as  presently  or
hereafter duly conducted.

     6.5 COMPLIANCE  WITH LAW. It will comply with all applicable  laws,  rules,
regulations,  and all final,  nonappealable orders of any Governmental Authority
applicable to it or any of its property,  business  operations or  transactions,
including without limitation,  any environmental laws applicable to it, a breach
of which could result in a Material Adverse Effect.

     6.6 PAYMENT OF TAXES AND OTHER INDEBTEDNESS.  It will pay and discharge (i)
all income taxes and payroll taxes, (ii) all taxes, assessments,  fees and other
governmental  charges imposed upon it or upon its income or profits, or upon any
property belonging to it, before delinquent, which become due and payable, (iii)
all lawful claims (including claims for labor,  materials and supplies),  which,
if  unpaid,  might  become a Lien upon any of its  property  and (iv) all of its
Indebtedness  as it becomes due and  payable,  except as  prohibited  hereunder;
provided,  however,  that  it  shall  not be  required  to  pay  any  such  tax,
assessment,  charge,  levy, claims or Indebtedness if and so long as the amount,
applicability  or validity thereof shall currently be contested in good faith by
appropriate  actions and  appropriate  accruals and reserves  therefor have been
established in accordance with GAAP.

                                      -19-
<PAGE>
     6.7 COMPLIANCE WITH  SIGNIFICANT DEBT AGREEMENTS AND OTHER  AGREEMENTS.  It
will comply in all material  respects with (i) all Significant  Debt Agreements,
and (ii) all  agreements and contracts to which it is a party, a breach of which
could result in a Material Adverse Effect.

     6.8  COMPLIANCE  WITH  CREDIT  DOCUMENTS.  It will  comply with any and all
covenants and provisions of this Credit Agreement, the Note and all other Credit
Documents.

     6.9 NOTICE OF DEFAULT.  It will furnish to Lender immediately upon becoming
actually  aware of the existence of any event or condition  that  constitutes an
Event of Default, a written notice specifying the nature and period of existence
thereof  and the  action  which it is taking or  proposes  to take with  respect
thereto.

     6.10 OTHER  NOTICES.  It will  promptly  notify  Lender of (a) any Material
Adverse Effect,  (b) any waiver,  release or default under any Significant  Debt
Agreement,  (c) any claim not covered by  insurance  against  Borrower or any of
Borrower's   properties,   and  (d)  the   commencement  of,  and  any  material
determination  in, any litigation with any third party or any proceeding  before
any Governmental Authority affecting it, except litigation or proceedings which,
if adversely determined, would not have a Material Adverse Effect.

     6.11 BOOKS AND  RECORDS;  ACCESS.  Upon three (3) Banking  Days notice from
Lender,  it will give any  authorized  representative  of Lender  access  during
normal  business hours to, and permit such  representative  to examine,  copy or
make excerpts from,  any and all books,  records and documents in its possession
of and  relating  to the Loan,  and to inspect  any of its  properties.  It will
maintain  complete  and  accurate  books  and  records  of its  transactions  in
accordance with good accounting practices.

     6.12 ERISA COMPLIANCE. With respect to its Plans, it shall (a) at all times
comply with the minimum funding  standards set forth in Section 302 of ERISA and
Section  412 of the Code or shall  have duly  obtained  a formal  waiver of such
compliance from the proper  authority;  (b) at Lender's  request,  within thirty
(30) days after the filing  thereof,  furnish  to Lender  copies of each  annual
report/return  (Form 5500  Series),  as well as all  schedules  and  attachments
required to be filed with the  Department  of Labor and/or the Internal  Revenue
Service pursuant to ERISA, in connection with each of its Plans for each year of
the plan; (c) notify Lender within a reasonable time of any fact, including, but
not limited  to, any  Reportable  Event  arising in  connection  with any of its
Plans, which constitutes  grounds for termination thereof by the PBGC or for the
appointment  by the  appropriate  United States  District  Court of a trustee to
administer such Plan,  together with a statement,  if requested by Lender, as to
the reason  therefor and the action,  if any,  proposed to be taken with respect
thereto;  and (d) furnish to Lender  within a  reasonable  time,  upon  Lender's
request,  such  additional  information  concerning  any of its  Plans as may be
reasonably requested.

     6.13 FURTHER ASSURANCES.  It will make, execute or endorse, and acknowledge
and  deliver  or  file  or  cause  the  same  to  be  done,  all  such  notices,
certifications and additional agreements,  undertakings or other assurances, and
take any and all such  other  action,  as Lender  may,  from time to time,  deem
reasonably necessary or proper to fully evidence the Loan.

                                      -20-
<PAGE>
     6.14 INSURANCE. It shall maintain in full force and effect at all times all
insurance coverages required under the terms of this Credit Agreement and/or the
Security  Documents to which it is a party.  In addition,  it shall  maintain in
full force and effect at all times:

          (a)  Policies of all risk  coverage  insurance  covering  all tangible
     personalty in which Lender has been granted or obtained a security interest
     to secure the Obligation,  in coverage  amounts not less than, from time to
     time, the fair market value thereof.

          (b) Policies of insurance  evidencing  personal liability and property
     damage liability coverages in amounts not less than $1,000,000.00 (combined
     single limit for bodily injury and property damage), and an umbrella excess
     liability  coverage  in an amount not less than  $2,000,000.00  shall be in
     effect with respect to Borrower.

          (c)  Policies of workers'  compensation  insurance in amounts and with
     coverages as legally required.

Without  limitation of the foregoing,  it shall at all times maintain  insurance
coverages in scope and amount not less than,  and not less  extensive  than, the
scope and amount of insurance coverages customary in the trades or businesses in
which it is from time to time engaged.  All of the aforesaid insurance coverages
shall be issued by insurers reasonably acceptable to Lender.

     Copies of all policies of  insurance  evidencing  such  coverages in effect
from time to time and showing Lender as an additional  insured  and/or  Lender's
loss payee,  as required by Lender,  shall be delivered to Lender within fifteen
(15) days of the Closing Date and upon  reasonable  notice upon  issuance of new
policies thereafter. From time to time, promptly upon Lender's request, it shall
provide evidence  satisfactory to Lender (i) that required  coverage in required
amounts is in effect,  and (ii) that  Lender is shown as an  additional  insured
and/or  Lender's  loss payee,  as required by Lender,  with  respect to all such
coverages,  as Lender's interest may appear, by standard  (non-attribution) loss
payable endorsement,  additional insured endorsement,  insurer's  certificate or
other  means  acceptable  to Lender in its  reasonable  discretion.  At Lender's
option,  it shall  deliver to Lender  certified  copies of all such  policies of
insurance  in effect  from  time to time,  to be  retained  by Lender so long as
Lender shall have any  commitment  to lend  hereunder  and/or any portion of the
Obligation  shall be outstanding  or  unsatisfied.  All such insurance  policies
shall  provide  for at least  thirty  (30)  days  prior  written  notice  of the
cancellation or modification thereof to Lender.

     6.15  DEPOSITORY  ACCOUNTS.  Within  thirty (30) days of the Closing  Date,
Borrower shall establish and maintain its principal  depository  accounts (other
than payroll  accounts) with and utilize cash  management  services  provided by
Lender.

                                      -21-
<PAGE>
     6.16 EQUIPMENT  LOCATED IN UNITED KINGDOM.  Within one hundred twenty (120)
days of the Closing Date, it will provide  evidence  reasonably  satisfactory to
Lender that all of the  equipment  inventory  located in the United  Kingdom has
been either  transferred  to the United  States or sold.  In the event  Borrower
fails to comply with the requirements of the previous sentence,  Borrower agrees
that it shall pay all  reasonable  costs  and  expenses  of  Lender  (including,
without  limitation,  the attorneys' fees of Lender's legal counsel) incurred by
Lender in perfecting its security interest in the equipment inventory located in
the United Kingdom.  Borrower further agrees that it shall execute all documents
reasonably necessary to perfect such security interest.

                                      -22-
<PAGE>
                                    ARTICLE 7

                               NEGATIVE COVENANTS

     Until payment in full of the Loan and the  performance  of the  Obligation,
Borrower  shall not,  without  receiving  the prior express  written  consent of
Lender:

     7.1 NO DEBT. ATSI shall not become or remain  obligated  either directly or
as a guarantor or surety for any  Indebtedness  for borrowed  money,  or for any
Indebtedness  incurred in connection with the acquisition of any property,  real
or  personal,  tangible or  intangible  including,  but not  limited  to,  lease
purchase agreements, except:

          (a) Indebtedness to the Lender.

          (b) Leases and specific equipment financed by TLD Funding.

          (c) Indebtedness secured by liens permitted under Section 7.2 hereof.

Notwithstanding  anything contained herein, ATSI may obtain additional financing
for new equipment from TLD Funding  pursuant to the TLD Funding Credit  Facility
provided  that ATSI shall inform  Lender in writing of such new financing on the
date of such financing.

     7.2 LIENS. On and after the date hereof, Borrower will not create or suffer
to exist Liens upon its property, real or personal, including without limitation
its  patents,  copyrights  and  trademarks,  except (i) Liens,  if any,  for the
benefit of Lender, and (ii) Permitted Liens.

     7.3 EXISTENCE.  Dissolve or liquidate, or merge or consolidate with or into
any other  entity,  or turn over the  management  or operation of its  property,
assets or business  to any other  Person or make any  substantial  change in the
character of its business.

     7.4  AMENDMENTS  TO  ORGANIZATIONAL  DOCUMENTS.  Amend  its  organizational
documents  if the result  thereof  could  result in the  occurrence  directly or
indirectly of a Material Adverse Effect.

     7.5 MARGIN  STOCK.  Use any  proceeds of the Loans,  or any proceeds of any
other or future  financial  accommodation  from Lender for the purpose,  whether
immediate,  incidental or ultimate, of purchasing or carrying any "margin stock"
as that term is defined in Regulation U or to reduce or retire any  indebtedness
undertaken for such purposes  within the meaning of said  Regulation U, and will
not use such proceeds in a manner that would involve  Borrower in a violation of
Regulation U or of any other Regulation of the Board of Governors of the Federal
Reserve System, nor use such proceeds for any purpose not permitted by Section 7
of the  Exchange  Act,  or  any  of the  rules  or  regulations  respecting  the
extensions of credit promulgated thereunder.

                                      -23-
<PAGE>
     7.6 DISTRIBUTIONS. Declare or pay any dividends or make any distribution of
any  kind,  other  than  existing  debt as of the  Closing  Date,  not to exceed
$150,000.00.

     7.7  INDEBTEDNESS;  PAYMENTS.  With respect to any new Indebtedness that is
not permitted  Indebtedness  under Section 7.1 herein,  Borrower  agrees that at
least five (5) Banking Days prior to incurring any such  Indebtedness,  Borrower
shall inform Lender in writing of any Indebtedness (i) with a Person that is not
an Affiliate of Borrower, or (ii) with a Person that is an Affiliate of Borrower
unless such Indebtedness  consists of Subordinated Debt. Borrower shall not make
any  payment  on  its  Subordinated  Debt  in any  month  unless  it is in  full
compliance  with all  Financial  Covenants  and the  Borrowing  Base  limitation
pursuant to Section  2.5(b),  prior to and after giving  effect to such payment.
Whenever Borrower incurs any debt with a Person that is an Affiliate of Borrower
which has not previously  executed a Subordination  Agreement for the benefit of
Lender,  Borrower  shall cause such Affiliate to execute and deliver to Lender a
Subordination Agreement.

     7.8 TRANSFER COLLATERAL. Assign, transfer or convey any of its right, title
and interest in the Collateral;  provided,  however, that ATSI may transfer cash
to any Subsidiary of Borrower solely for the purpose of funding normal operating
expenses of such Subsidiary provided that no Event of Default and no event, that
with the giving of notice or the passage of time, or both,  would be an Event of
Default  (including,  but not limited to, the failure to make Principal Payments
as provided  herein and in the Note),  shall have  occurred and be continuing on
the date of such transfer of cash.

     7.9  MERGER;  SALE OF  ASSETS.  (i) Sell,  lease,  transfer  or  dispose of
substantially  all of the Collateral to another entity; or (ii) consolidate with
or merge the  Collateral  into  another  entity,  or permit any  transfer of the
ownership  of the  Collateral,  permit  any  other  entity  to merge  into it or
consolidate  with it,  or  permit  any  transfer  of the  ownership  or power to
control, Borrower.

     7.10 FINANCIAL COVENANTS.

          (a)  NET  INCOME.  Permit  Borrower's  Net  Income  for  any  two  (2)
     consecutive  fiscal  months for any fiscal  year to be less than zero (i.e.
     net loss).

          (b) INTEREST  COVERAGE  RATIO.  Commencing  on March 31, 2000,  permit
     Borrower's  EBITDA  Ratio  to be  less  than  3.0 to 1.0 at the  end of any
     quarter, measured on a rolling four (4) quarter basis.

                                      -24-
<PAGE>
                                    ARTICLE 8

                                EVENTS OF DEFAULT

     8.1 EVENTS OF DEFAULT. An "Event of Default" shall exist if any one or more
of the following events (herein  collectively  called "Events of Default") shall
occur and be continuing:

          (a) Borrower  shall fail to pay any  principal of, or interest on, the
     Note when the same shall become due or payable and such  failure  continues
     for five (5) Banking Days after notice thereof to Borrower.

          (b) Any failure or neglect to perform or observe any of the covenants,
     conditions,  provisions or agreements of Borrower  contained  herein, or in
     any of  the  other  Credit  Documents  (other  than a  failure  or  neglect
     described in one or more of the other  provisions  of this Section 8.1) and
     such  failure  or  neglect  either  cannot  be  remedied  or,  if it can be
     remedied,  it continues  unremedied for a period of fifteen (15) days after
     written notice thereof to Borrower.

          (c) Any warranty, representation or statement contained in this Credit
     Agreement  or any of the other Credit  Documents,  or which is contained in
     any certificate or statement furnished or made to Lender pursuant hereto or
     in  connection  herewith or with the Loan,  shall be or shall prove to have
     been false when made or furnished.

          (d) The occurrence of any material  "event of default" or "default" by
     Borrower  under any Credit  Document,  or any  agreement,  now or hereafter
     existing,  to which Lender or an  Affiliate  of Lender,  and Borrower or an
     Affiliate of Borrower are a party.

          (e) Borrower shall (i) fail to pay any Indebtedness of Borrower (other
     than the Note) due under any Significant Debt Agreement, or any interest or
     premium  thereon,  when  due  (whether  by  scheduled  maturity,   required
     prepayment,  acceleration,  demand,  or otherwise) or within any applicable
     grace  period,  (ii) fail to  perform  or observe  any term,  covenant,  or
     condition on its part to be performed  or observed  under any  agreement or
     instrument  relating  to such  Indebtedness,  within any  applicable  grace
     period when  required to be performed  or  observed,  if the effect of such
     failure  to  perform  or observe  is to  accelerate  the  maturity  of such
     Indebtedness,  or any such  Indebtedness  shall be  declared  to be due and
     payable,  or  required to be prepaid  (other than by a regularly  scheduled
     prepayment),  prior to the  stated  maturity  thereof,  or (iii)  allow the
     occurrence  of  any  material   event  of  default  with  respect  to  such
     Indebtedness.

          (f) Any one or more of the Credit Documents shall have been determined
     to  be  invalid  or  unenforceable  against  Borrower executing the same in

                                      -25-
<PAGE>
     accordance  with  the  respective  terms  thereof,  or  shall in any way be
     terminated or become or be declared  ineffective or  inoperative,  so as to
     deny Lender the substantial  benefits  contemplated by such Credit Document
     or Credit Documents.

          (g) Borrower  shall (i) apply for or consent to the  appointment  of a
     receiver, trustee, custodian,  intervenor or liquidator of itself or of all
     or a  substantial  part of its assets,  (ii) file a  voluntary  petition in
     bankruptcy  or admit in writing  that it is unable to pay its debts as they
     become due,  (iii) make a general  assignment for the benefit of creditors,
     (iv) file a petition or answer  seeking  reorganization  of an  arrangement
     with creditors or to take  advantage of any bankruptcy or insolvency  laws,
     (v) file an answer admitting the material allegations of, or consent to, or
     default in  answering,  a  petition  filed  against  it in any  bankruptcy,
     reorganization or insolvency proceeding,  or (vi) take corporate action for
     the purpose of effecting any of the foregoing

          (h) An  involuntary  petition  or  complaint  shall be  filed  against
     Borrower,   seeking  bankruptcy  or  reorganization  of  Borrower,  or  the
     appointment of a receiver,  custodian, trustee, intervenor or liquidator of
     Borrower,  or all or substantially all of its assets,  and such petition or
     complaint  shall  not have been  dismissed  within  sixty  (60) days of the
     filing thereof; or an order, order for relief,  judgment or decree shall be
     entered by any court of competent jurisdiction or other competent authority
     approving a petition  or  complaint  seeking  reorganization  of  Borrower,
     appointing a receiver,  custodian,  trustee,  intervenor  or  liquidator of
     Borrower,  or all or  substantially  all of its  assets,  and  such  order,
     judgment or decree  shall  continue  unstayed and in effect for a period of
     sixty (60) days.

          (i) Any final judgment(s) (excluding those the enforcement of which is
     suspended  pending appeal) for the payment of money in excess of the sum of
     $100,000 in the  aggregate  (other than any  judgment  covered by insurance
     where  coverage has been  acknowledged  by the  insurer)  shall be rendered
     against  Borrower,  and such judgment or judgments  shall not be satisfied,
     settled,  bonded or  discharged at least ten (10) days prior to the date on
     which any of its assets could be lawfully sold to satisfy such judgment.

          (j) Either (i) proceedings shall have been instituted to terminate, or
     a notice of  termination  shall have been filed with  respect to, any Plans
     (other  than a  Multi-Employer  Pension  Plan as that  term is  defined  in
     Section  4001(a)(3)  of ERISA) by  Borrower,  any member of the  Controlled
     Group, PBGC or any representative of any thereof, or any such Plan shall be
     terminated,  in each case  under  Section  4041 or 4042 of ERISA,  and such
     termination  shall  give  rise  to a  liability  of  the  Borrower  or  the
     Controlled  Group to the PBGC or the Plan under  ERISA  having an effect in
     excess of $100,000 or (ii) a  Reportable  Event,  the  occurrence  of which
     would cause the  imposition  of a lien in excess of $100,000  under Section
     4062 of ERISA,  shall have  occurred with respect to any Plan (other than a
     Multi-Employer  Pension Plan as that term is defined in Section  4001(a)(3)
     of ERISA) and be continuing for a period of sixty (60) days.

                                      -26-
<PAGE>
          (k) Any of the following events shall occur with respect to any Multi-
     Employer  Pension  Plan (as that term is defined in Section  4001(a)(3)  of
     ERISA)  to which  Borrower  contributes  or  contributed  on  behalf of its
     employees and Lender determines in good faith that the aggregate  liability
     likely  to be  incurred  by  Borrower,  as a  result  of any of the  events
     specified in Subsections (i), (ii) and (iii) below,  will have an effect in
     excess of  $100,000;  (i)  Borrower  incurs a  withdrawal  liability  under
     Section 4201 of ERISA;  (ii) any such plan is "in  reorganization"  as that
     term is  defined  in  Section  4241 of  ERISA;  or (iii)  any such  Plan is
     terminated under Section 4041A of ERISA.

          (l) The occurrence of a change in the Control of Borrower  without the
     written consent of Lender, which will not be unreasonably withheld.

          (m) The  dissolution,  liquidation,  sale,  transfer,  lease  or other
     disposal of all or substantially all of the assets or business of Borrower.

          (n) Any failure to observe any of the Financial Covenants.

          (o) A  substantial  change  in  the  duties,  responsibilities  and/or
     authority of either Don M. Jackson or Gloria J. Zemla.

          (p) The occurrence of any adverse change in the financial condition of
     Borrower that Lender in its reasonable  discretion  deems  material,  or if
     Lender  in good  faith  shall  believe  that the  prospect  of  payment  or
     performance of the Loans is impaired.

     8.2  REMEDIES  UPON EVENT OF  DEFAULT.  If an Event of  Default  shall have
occurred and be  continuing,  then Lender may, at its sole option,  exercise any
one or more of the  following  rights  and  remedies,  and  any  other  remedies
provided in any of the Credit  Documents,  as Lender in its sole  discretion may
deem necessary or appropriate, all of which remedies shall be deemed cumulative,
and not alternative:

               (i)  Cease   making   Advances   or   extensions   of   financial
          accommodations in any form to or for the benefit of Borrower,

               (ii) Declare the  principal of, and all interest then accrued on,
          the Note and any other  liabilities  hereunder to be forthwith due and
          payable,  whereupon the same shall become  immediately due and payable
          without presentment,  demand,  protest,  notice of default,  notice of
          acceleration or of intention to accelerate or other notice of any kind
          all of which Borrower  hereby  expressly  waives,  anything  contained
          herein or in the Note to the contrary notwithstanding,

                                      -27-
<PAGE>
               (iii) Reduce any claim to judgment, and/or

               (iv) Without notice of default or demand,  pursue and enforce any
          of  Lender'  rights  and  remedies  under  the  Credit  Documents,  or
          otherwise  provided  under  or  pursuant  to  any  applicable  law  or
          agreement;  provided,  however, that if any Event of Default specified
          in Sections  8.1(g) and 8.1(h) shall occur,  the principal of, and all
          interest on, the Note and other liabilities  hereunder shall thereupon
          become due and  payable  concurrently  therewith,  without any further
          action by Lender and without presentment,  demand,  protest, notice of
          default, notice of acceleration or of intention to accelerate or other
          notice of any kind, all of which Borrower hereby expressly waives.

     Upon the  occurrence  and during the  continuance  of any Event of Default,
Lender is  hereby  authorized  at any time and from time to time,  with five (5)
days notice to Borrower,  to setoff and apply any and all moneys,  securities or
other property of Borrower and the proceeds therefrom,  now or hereafter held or
received  by or in transit to Lender or its  agents,  from or for the account of
Borrower, whether for safe keeping, custody, pledge, transmission, collection or
otherwise,  and also upon any and all deposits  (general or special) and credits
of  Borrower,  and any and all  claims of  Borrower  against  Lender at any time
existing.  Lender agrees promptly to notify Borrower prior to and after any such
setoff and application,  provided that the failure to give such notice shall not
affect the validity of such setoff and  application.  The rights of Lender under
this  Section  8.2 are in  addition  to other  rights and  remedies  (including,
without limitation, other rights of setoff) which Lender may have.

     8.3  PERFORMANCE BY LENDER.  Should  Borrower fail to perform any covenant,
duty or agreement  with respect to the payment of taxes,  obtaining  licenses or
permits,  or any other  requirement  contained  herein  or in any of the  Credit
Documents  within the period  provided  herein,  if any, for  correction of such
failure,  Lender may, with five (5) days prior notice, at its option, perform or
attempt to perform such  covenant,  duty or agreement on behalf of Borrower.  In
such event,  Borrower shall,  at the request of Lender,  promptly pay any amount
expended by Lender in such performance or attempted performance to Lender at its
office in Inglewood,  California,  together with interest thereon at the Default
Rate,  from  the  date of  such  expenditure  until  paid.  Notwithstanding  the
foregoing,  it is expressly understood that Lender does not assume any liability
or  responsibility  for the  performance of any duties of Borrower  hereunder or
under any of the Credit  Documents  or other  control  over the  management  and
affairs of Borrower.

                                      -28-
<PAGE>
                                    ARTICLE 9

                                  MISCELLANEOUS

     9.1 MODIFICATION. All modifications, consents, amendments or waivers of any
provision  of any  Credit  Document,  or consent to any  departure  by  Borrower
therefrom,  shall be effective only if the same shall be in writing and accepted
by Lender.

     9.2 WAIVER. No failure to exercise, and no delay in exercising, on the part
of Lender, any right hereunder shall operate as a waiver thereof,  nor shall any
single or partial  exercise  thereof preclude any other further exercise thereof
or the exercise of any other right. The rights of Lender hereunder and under the
Credit  Documents  shall be in addition to all other rights  provided by law. No
modification  or waiver of any provision of this Credit  Agreement,  the Note or
any Credit  Documents,  nor consent to departure  therefrom,  shall be effective
unless  in  writing  and no such  consent  or waiver  shall  extend  beyond  the
particular  case and  purpose  involved.  No notice or demand  given in any case
shall constitute a waiver of the right to take other action in the same, similar
or other instances without such notice or demand.

     9.3  PAYMENT OF  EXPENSES.  Borrower  shall pay all costs and  expenses  of
Lender  (including,  without  limitation,  the attorneys' fees of Lender's legal
counsel)  incurred by Lender in connection with the  documentation of the Loans,
and the  preservation  and  enforcement  of  Lender's  rights  under this Credit
Agreement, the Note, and/or the other Credit Documents;  provided, however, that
notwithstanding  the  aforesaid,  with respect to any legal  action  between the
parties  hereto that is pursued to judgment the  prevailing  party only shall be
reimbursed  by the other party for all costs and  expenses  (including,  without
limitation,  reasonable  attorneys'  fees and costs) incurred in connection with
the preservation and enforcement of its rights under this Credit Agreement,  the
Note and/or other Credit  Documents.  In addition,  Borrower shall pay all costs
and  expenses  of  Lender  in  connection  with  the  negotiation,  preparation,
execution and delivery of any and all amendments,  modifications and supplements
of or to this Credit Agreement, the Note or any other Credit Document.  Borrower
shall  receive a written  estimate of all legal fees and related legal costs and
will have an  opportunity  to review all such  estimates  prior to its approval,
which shall not be unreasonably withheld.

     9.4 NOTICES. Except for telephonic notices permitted herein, any notices or
other communications  required or permitted to be given by this Credit Agreement
or any other documents and  instruments  referred to herein must be (i) given in
writing and  personally  delivered or mailed by prepaid  certified or registered
mail  or sent by  overnight  delivery  service,  or (ii)  made by  telefacsimile
delivered or transmitted,  to the party to whom such notice or  communication is
directed, to the address of such party as follows:

                                      -29-
<PAGE>
     Borrower:           SITEK, Incorporated
                         1817 West 4th Street
                         Tempe, Arizona 85281
                         Attention: Gloria Zemla - CFO
                         Telecopier: (602) __________

     with a copy to:     Robert S. Bornhoft, Esq.
                         Quarles & Brady
                         One East Camelback Road
                         Suite 400
                         Phoenix, Arizona 85012
                         Telecopier: (602) __________

     Lender:             Imperial Bank
                         9920 South La Cienega Boulevard
                         Suite 636
                         Inglewood, California  90301
                         Attention: Lending Services
                         Telecopier:  (310) 417-5695

     With a copy to:     Imperial Bank
                         400 East Van Buren
                         Suite 900
                         Phoenix, Arizona  85004
                         Attention: Edmund Ozorio
                         Telecopier:  (602) 261-7881

          Any  notice  to be  personally  delivered  may  be  delivered  to  the
          principal offices  (determined as of the date of such delivery) of the
          party to whom  such  notice  is  directed.  Any such  notice  or other
          communication  shall be deemed to have been  given  (whether  actually
          received or not) on the day it is  personally  delivered as aforesaid;
          or, if mailed,  on the third day after it is mailed as aforesaid;  or,
          if  transmitted  by  telefacsimile,  on the day that  such  notice  is
          transmitted  as  aforesaid.  Any  party may  change  its  address  for
          purposes of this Credit  Agreement by giving  notice of such change to
          the other parties pursuant to this Section 9.4.

     9.5 GOVERNING  LAW;  JURISDICTION,  VENUE;  WAIVER OF JURY TRIAL.  The Loan
Documents  shall be governed by and construed in accordance with the substantive
laws (other than conflict laws) of the State of California, except to the extent
Lender has greater rights or remedies  under Federal law,  whether as a national
bank or  otherwise,  in which case such  choice of  California  law shall not be
deemed to deprive  Lender of any such rights and  remedies  as may be  available
under Federal law.  Subject to the provisions of Section 9.6 hereof,  each party
consents to the personal  jurisdiction  and venue of the state courts located in
Los Angeles,  State of California in connection with any controversy  related to
this  Agreement,  waives  any  argument  that  venue  in any  such  forum is not
convenient and agrees that any litigation initiated by any of them in connection

                                      -30-
<PAGE>
with this Agreement shall be venued in the Superior Court of Los Angeles County,
California.  The  parties  waive  any  right to trial by jury in any  action  or
proceeding  based  on or  pertaining  to  this  Agreement  or any of the  Credit
Documents.

     9.6 REFERENCE PROVISION.

          (a) Each  controversy,  dispute or claim ("Claim") between the parties
     arising  out of or  relating  to this  Agreement  and/or  any of the Credit
     Documents, which is not settled in writing within ten days after the "Claim
     Date"  (defined  as the date on which a party gives  written  notice to all
     other parties that a controversy, dispute or claim exists), will be settled
     by a reference  proceeding in Los Angeles,  California,  in accordance with
     the  provisions  of Section  638 ET SEQ.  of the  California  Code of Civil
     Procedure,  or their successor section ("CCP"),  which shall constitute the
     exclusive  remedy for the settlement of any Claim,  including  whether such
     Claim is subject to the  reference  proceeding  and the parties waive their
     rights to initiate any legal proceedings against each other in any court or
     jurisdiction  other than the Superior  Court of Los Angeles (the  "Court").
     The referee  shall be a retired Judge  selected by mutual  agreement of the
     parties,  and if they  cannot so agree  with in thirty  days (30) after the
     Claim Date,  the referee  shall be selected by the  Presiding  Judge of the
     Court.  The referee  shall be  appointed  to sit as a temporary  judge,  as
     authorized by law. The referee shall (a) be requested to set the matter for
     hearing within sixty (60) days after the Claim Date and (b) try any and all
     issues of law or fact and report a  statement  of  decision  upon them,  if
     possible,  within ninety (90) days of the Claim Date. Any decision rendered
     by the referee will be final,  binding and conclusive and judgment shall be
     entered pursuant to CCP 644 in the Court.  All discovery  permitted by this
     Agreement  shall be  completed  no later than  fifteen (15) days before the
     first hearing date established by the referee.  The referee may extend such
     period in the event of a party's refusal to provide requested discovery for
     any reason  whatsoever,  including,  without  limitation,  legal objections
     raised to such discovery or  unavailability  of a witness due to absence or
     illness.  No party shall be entitled to "priority" in conducing  discovery.
     Depositions  may be taken by  either  party  upon  seven  (7) days  written
     notice,  and,  request for  production of inspection of documents  shall be
     responded to within ten (10) days after service.  All disputes  relating to
     discovery which cannot be resolved by the parties shall be submitted to the
     referee whose decision shall be final and binding upon the parties.

          (b)  The  referee  shall  be  required  to  determine  all  issues  in
     accordance  with existing  case law and the statutory  laws of the State of
     California.  The rules of evidence  applicable to proceedings at law in the
     State of California  will be applicable  to the reference  proceeding.  The
     referee shall be empowered to enter  equitable as well as legal relief,  to
     provide all temporary  and/or  provisional  remedies and to enter equitable
     orders that will be binding  upon the  parties.  The referee  shall issue a
     single  judgment  at the  close of the  reference  proceeding  which  shall

                                      -31-
<PAGE>
     dispose of all of the  claims of the  parties  that are the  subject to the
     reference.  The parties  hereto  expressly  reserve the right to contest or
     appeal  from the  final  judgment  or any  appealable  order or  appealable
     judgment entered by the referee. The parties expressly reserve the right to
     findings of fact,  conclusions of law, a written statement of decision, and
     the right to move for a new trial or a different judgment, which new trial,
     if granted, is also to be a reference proceeding under this provision.

          (c) No  provision  of  Paragraphs  (a) or (b)  of  this  Section  9.6,
     however,  shall limit the right of Lender to bring action for possession of
     any collateral in any jurisdiction,  wherever  located,  in accordance with
     the provisions of the Security Documents.

     9.7 INVALID PROVISIONS.  If any provision of any Credit Document is held to
be illegal,  invalid or  unenforceable  under  present or future laws during the
term of this Credit  Agreement,  such provision shall be fully  severable;  such
Credit  Document shall be construed and enforced as if such illegal,  invalid or
unenforceable  provision had never comprised a part of such Credit Document; and
the remaining  provisions of such Credit Document shall remain in full force and
effect  and shall not be  affected  by the  illegal,  invalid  or  unenforceable
provision or by its severance from such Credit Document. Furthermore, in lieu of
each such illegal,  invalid or  unenforceable  provision there shall be added as
part of such Credit  Document a provision  mutually  agreeable  to Borrower  and
Lender as similar in terms to such illegal,  invalid or unenforceable  provision
as may be possible and be legal, valid and enforceable.

     9.8 BINDING EFFECT. The Credit Documents shall be binding upon and inure to
the benefit of Borrower and Lender and their respective successors,  assigns and
legal  representatives;  provided,  however,  that Borrower may not, without the
prior  written  consent  of  Lender,  assign  any  rights,   powers,  duties  or
obligations thereunder.

     9.9 ENTIRETY.  The Credit Documents embody the entire agreement between the
parties and supersede all prior agreements and understandings,  if any, relating
to the subject matter hereof and thereof.

     9.10 HEADINGS.  Section  headings are for convenience of reference only and
shall in no way affect the interpretation of this Credit Agreement.

     9.11 SURVIVAL.  All  representations and warranties made by Borrower herein
shall survive delivery of the Note and the making of the Loan.

     9.12 NO THIRD PARTY BENEFICIARY.  The parties do not intend the benefits of
this  Credit  Agreement  to inure to any  third  party,  nor shall  this  Credit
Agreement  be  construed  to make or render  Lender  liable to any  materialman,
supplier, contractor,  subcontractor,  purchaser or lessee of any property owned
by  Borrower,  or for  debts or  claims  accruing  to any such  persons  against
Borrower.  Notwithstanding  anything  contained herein or in the Note, or in any
other Credit Document,  or any conduct or course of conduct by any or all of the

                                      -32-
<PAGE>
parties  hereto,  before or after  signing  this Credit  Agreement or any of the
other  Credit  Documents,  neither  this Credit  Agreement  nor any other Credit
Document  shall be  construed  as creating  any right,  claim or cause of action
against Lender, or any of its officers, directors, agents or employees, in favor
of any materialman, supplier, contractor, subcontractor,  purchaser or lessee of
any  property  owned by  Borrower,  nor to any other person or entity other than
Borrower.

     9.13 TIME. Time is of the essence hereof.

     9.14  SCHEDULES  AND  EXHIBITS  INCORPORATED.  All  schedules  and exhibits
attached hereto,  if any, are hereby  incorporated into this Credit Agreement by
each reference thereto as if fully set forth at each such reference.

     9.15  COUNTERPARTS.  This  Credit  Agreement  may be  executed  in multiple
counterparts,  each of which, when so executed,  shall be deemed an original but
all such counterparts shall constitute but one and the same agreement.

     IN WITNESS WHEREOF,  the undersigned have executed this Credit Agreement as
of the day and year first above written.

                                        SITEK, INCORPORATED, a Delaware
                                        corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------


                                        ADVANCED TECHNOLOGY SERVICES, INC.,
                                        an Arizona corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------


                                        IMPERIAL BANK, a California banking
                                        corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                      -33-
<PAGE>
                                   EXHIBIT "A"

                             FORM OF ADVANCE NOTICE


Imperial Bank
400 East Van Buren
Suite 900
Phoenix, Arizona  85004
Attention: Edmund Ozorio                                     Date:______________
Telecopier: (602) 261-7881
                                                             Time:______________


Dear Ladies and Gentlemen:

     The  undersigned  ("Borrower")  refers to the Credit  Agreement dated as of
January 10, 2000 (as it may hereafter be amended, modified, extended or restated
from time to time,  the "Credit  Agreement"),  between  SITEK,  Incorporated,  a
Delaware  corporation  and  Advanced  Technology  Services,   Inc.,  an  Arizona
corporation  (together,  the "Borrower"),  and Imperial Bank.  Capitalized terms
used herein and not otherwise defined herein shall have the meanings assigned to
such terms in the Credit Agreement.

     The Borrower  hereby  gives notice that it requests an Advance  pursuant to
Section  2.3 of the  Credit  Agreement  and sets  forth  below the terms of such
requested Advance:

     A.   Date of Advance
                                                            --------------------
     B.   Principal Amount of Advance
                                                            --------------------

                                        Sincerely,

                                        SITEK INCORPORATED, a Delaware
                                        corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                        ADVANCED TECHNOLOGY SERVICES, INC.,
                                        an Arizona corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------
<PAGE>
                                   EXHIBIT "B"

                             COMPLIANCE CERTIFICATE
                                FOR PERIOD ENDING

                               ------------------
                              ("REPORTING PERIOD")


Imperial Bank Arizona
400 East Van Buren
Suite 900
Phoenix, Arizona  85004
Attention: Edmund Ozorio
Telecopier:  (602) 261-7881                                Date:_____________(1)


Dear Ladies and Gentlemen:

     This  Compliance  Certificate  refers to the Credit  Agreement  dated as of
January 10, 2000 (as it may hereafter be amended, modified, extended or restated
from time to time,  the "Credit  Agreement"),  between  SITEK,  Incorporated,  a
Delaware  corporation  and  Advanced  Technology  Services,   Inc.,  an  Arizona
corporation  (together,  the "Borrower") and Imperial Bank, a California banking
corporation.  Capitalized terms used and not otherwise defined herein shall have
the meanings assigned to such terms in the Credit Agreement.

     Pursuant to Section 6.1 of the Credit  Agreement,  the undersigned,  hereby
certifies that:

     1. To the  best of the  undersigned's  knowledge,  after  a  review  of the
activities  of Borrower  during the  Reporting  Period,  Borrower has  observed,
performed and fulfilled each and every obligation and covenant  contained in the
Credit  Agreement  and  no  "Event  of  Default"  thereunder  exists  [or if so,
specifying the nature and extent thereof and any corrective  actions taken or to
be taken].


- ----------
(1)  To be submitted within 30 days after the end of each quarter.
<PAGE>
     2. All  financial  statements  of Borrower  delivered to Lender  during the
Reporting Period, to the undersigned's knowledge, fairly present in all material
respect the financial position of the Borrower and the results of its operations
at the dates and for the periods  indicated and have been prepared in accordance
with GAAP.

     3. As of the last Reporting  Period,  the computations  below were true and
correct:

     Section 7.10 - Financial Covenants

          (a)  INTEREST COVERAGE RATIO.

          Numerator: EBITDA                                    A    $_______

          Denominator: Interest Expense                        B    $_______

          A divided by B equals                                A/B   _______x

          Minimum                                              3.0 to 1.0x

          (b) NET INCOME.  The Borrower _____  satisfies  _____ does not satisfy
     the  requirement  that  the  Borrower  not  incur a net loss in any two (2)
     consecutive quarters or any fiscal year.


                                        SITEK, INCORPORATED, a Delaware
                                        corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Its:
                                             -----------------------------------


                                        ADVANCED TECHNOLOGY SERVICES, INC.,
                                        an Arizona corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Its:
                                             -----------------------------------

                                       -2-
<PAGE>
                                   EXHIBIT "C"

                           BORROWING BASE CERTIFICATE
<PAGE>
                                   EXHIBIT "D"

                             SUBORDINATION AGREEMENT

TO:  IMPERIAL BANK

     The  undersigned  ("We") are interested in the financial  success of SITEK,
INCORPORATED,  a Delaware corporation and ADVANCED TECHNOLOGY SERVICES, INC., an
Arizona  corporation  (together,  the  "Borrower"),  and  agree  that  financial
accommodations from IMPERIAL BANK ("Bank" or "You") to Borrower pursuant to that
Credit  Agreement  dated as of January 10,  2000 (the  "Credit  Agreement")  are
necessary,  and we  accordingly  request that you grant to or renew for Borrower
such  financial  accommodation  as you may deem  proper,  and for the purpose of
inducing you to grant, renew or extend such financial  accommodation,  we hereby
severally agree as follows:

     All claims of each of the  undersigned  against  Borrower  now or hereafter
existing,  whether  matured or not (subject to the maximum if specified  below),
are and shall be at all times  subordinate  and subject to any and all claims on
your part against Borrower now or hereafter existing, whether matured or not, so
long as any such claim on your part against  Borrower  shall remain  unpaid,  in
whole or in part,  and each of the  undersigned  agrees  not to sue upon,  or to
collect, or to receive payment upon, by setoff or in any other manner, any claim
or claims on his/hers or its part against  Borrower  now or hereafter  existing,
nor to sell, assign,  transfer,  pledge, or give a security interest in the same
(except  subject  expressly  to this  Agreement),  nor to  enforce  or apply any
security now or hereafter existing, nor to join in any petition in bankruptcy or
any assignment for the benefit of creditors or any creditors  agreement,  nor to
take any lien or security on any of Borrower's property,  real or personal,  nor
to incur any  obligation  to nor  receive  any  loans,  advances  or gifts  from
Borrower, so long as any such claim on your part against Borrower shall exist or
so long as you are  committed  or  otherwise  obligated to make any loans to, or
grant any credit to,  Borrower.  In addition,  so long as any claim on your part
against  Borrower  shall remain unpaid,  in whole or in part,  Bank shall have a
prior security  interest in the assets of Borrower  consisting of Collateral (as
defined in the Credit  Agreement),  now owned or hereafter  acquired by Borrower
and each of the undersigned hereby subordinates any security interest, including
without  limitation  any purchase  money  security  interest,  which each of the
undersigned  now has or  hereafter  acquires in the  Collateral  to all security
interests which Bank now has or hereafter acquires in the Collateral.

     All claims on your part against Borrower now or hereafter existing shall be
first paid by Borrower  before any  payment  shall be made by Borrower to any of
the  undersigned  unless  Borrower  is in full  compliance  with  all  Financial
Covenants  (as  defined  in  the  Credit  Agreement)  contained  in  the  Credit
Agreement,  prior to and after giving effect to such  payment.  Said priority of
payment  shall apply during the ordinary  course of  Borrower's  business and in
case of any assignment by Borrower for the benefit of Borrower's creditors,  and
in case of any bankruptcy  proceedings instituted by or against Borrower, and in
case of the  appointment of any receiver for Borrower or Borrower's  business or
<PAGE>
assets,  and in case of any  dissolution  or other  winding up of the affairs of
Borrower,  or of Borrower's  business,  and in all such cases respectively,  the
officers of Borrower and any  assignee,  trustee in  bankruptcy,  receiver,  and
other  person or persons in charge,  are hereby  directed to pay to you the full
amount of your claims against  Borrower  before making any payment to any of the
undersigned,  and so far as may be  necessary  for  that  purpose,  each  of the
undersigned  hereby transfers and assigns to you all of his/her or its rights to
any payment or  distribution  which might  otherwise be coming to him/her or it.
You are hereby  irrevocably  constituted and appointed the  attorney-in-fact  of
each of the  undersigned  to file  any and all  proofs  of claim  and any  other
documents and to take all other  action,  either in your name, or in the name of
the undersigned, or any of them, which in your opinion is necessary or desirable
to enable you to obtain all such payments.

     Each of the  undersigned  agrees  that if part or all of any  claim  of the
undersigned  shall be evidenced by a promissory  note or other  instrument,  the
undersigned  shall cause to be placed  thereon a legend stating that the payment
thereof  is  subordinate  to the  payment  of all  claims on your  part  against
Borrower pursuant to the terms of this Subordination  Agreement, and each of the
undersigned  agrees to mark all books of account in such manner to indicate that
payment  thereof is  subordinated  pursuant  to the terms of this  Subordination
Agreement.

     Each of the  undersigned  further  agrees that in case he, she or it should
take or  receive  any  security  interest  in,  or  lien  by way of  attachment,
execution,  or otherwise on any of the property,  real or personal, of Borrower,
or should  take or join in any  other  measure  or  advantage  contrary  to this
Agreement,  while any claim exists on your part against  Borrower,  you shall be
entitled to have the same vacated,  dissolved and set aside by such  proceedings
at law, or otherwise,  as you may deem proper,  and this Agreement  shall be and
constitute  full and sufficient  ground therefor and shall entitle you to be and
become a party to any  proceedings at law, or otherwise,  initiated by you or by
any other party,  in or by which you may deem it proper to protect your interest
hereunder,  and the party so violating this Agreement shall be liable to you for
all loss  and  damage  sustained  by you by  reason  of such  breach,  including
attorney's fees in any such legal action.

     If the  undersigned,  or any of them, shall receive any payment or property
in violation of this  Agreement,  such payment of property  shall be received by
such  undersigned  in  trust  for  you  and  forthwith  will  be  delivered  and
transferred to you.

     No  subordination  of  obligations  of  Borrower  to the  undersigned  have
previously  been executed by the undersigned for the benefit of anyone else, and
any such subordinations hereafter executed will be, and shall be expressed to be
subject and subordinate to the effect hereof. This Agreement shall be continuing
in effect,  it shall not be cancelled or otherwise  rendered  ineffective by the
payment or discharge at any time of all of Borrower's obligations to you, and it
shall  apply  to any  and all  financial  accommodations  subsequently  granted,

                                       -2-
<PAGE>
renewed or extended by you for Borrower, unless the undersigned shall deliver to
you a written  notice of  revocation as to future  transactions,  at a time when
Borrower  is no  longer  obligated  to you in any  way,  and  while  you are not
committed or  otherwise  obligated to make any loans to, or grant any credit to,
Borrower.


                                        ----------------------------------------

                                        ----------------------------------------


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Its:
                                             -----------------------------------

                                       -3-
<PAGE>
                ACCEPTANCE OF SUBORDINATION AGREEMENT BY BORROWER

     The  undersigned,  being the Borrower named in the foregoing  Subordination
Agreement,  hereby accepts and consents thereto and agrees to be bound by all of
the provisions  thereof and to recognize all priorities and other rights granted
thereby to IMPERIAL BANK, and to pay said Bank in accordance therewith.

Dated ________________________

                                        SITEK, INCORPORATED, a Delaware
                                        corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                        ADVANCED TECHNOLOGY SERVICES, INC.,
                                        an Arizona corporation


                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                       -4-

                                COMMERCIAL LEASE

                                  (Triple Net)

This lease entered into January 20, 2000 between Fairmont Commerce Center,  LLC,
("Lessor") and Sitek, Incorporated, a Delaware Corporation ("Lessee").

                                   WITNESSETH:

1. PREMISES.

In  consideration  of the rents and  covenants  herein set forth,  Lessor hereby
leases to Lessee and Lessee hereby rents from Lessor the premises shown outlined
on Exhibit "A" attached hereto (hereinafter referred to as the "Premises").  The
Premises is located at 1919 West Fairmont Suites 1 through 6, in Tempe,  Arizona
as part of  Fairmont  Commerce  Center,  1919  West  Fairmont,  Tempe  AZ  85282
hereinafter  referred  to  as  the  "Project".  The  Premises  is  comprised  of
approximately  29,181  square feet of rentable  area.  The lease of the Premises
shall be for the term,  upon the rentals and subject to the terms and conditions
set forth in this Lease Agreement and Exhibits hereto.

2. TERM.

With  respect  to Suites 1, 2, 3 and 4, the term of this  Lease  shall be for 36
months,  commencing  on June 1, 2000,  and  terminating  on May 31,  2003.  With
respect to Suite 5, the term of this Lease  shall  commence on March 1, 2000 and
terminate on May 31, 2003. With respect to Suite 6, the term of this Lease shall
commence as soon as the new demising wall between Suite 6 and the adjacent Suite
7 is completed and a  Certificate  of Occupancy is obtained for Suite 6 from the
City of Tempe, whichever is the last to occur and terminate on May 31, 2003.

3. RENT.

3.1 Lessee shall pay to Lessor as rent for the  Premises  monthly  payments,  in
advance,  on the first day of each month during the term of this Lease Agreement
as follows:

     RENTS PRIOR TO JUNE 1, 2000

     From March 1, 2000 to May 31, 2000 the rent for Suite 5 shall be 00.00 per
     month.

     From date of delivery of Suite 6 to May 31, 2000, the rent for Suite 6
     shall be 00.00 per month.

     RENTS FROM AND AFTER JUNE 1, 2000

     From June 1, 2000 to May 31, 2001 the rent shall be $15,000.00 per month
     From June 1, 2001 to May 31, 2002 the rent shall be $16,000.00 per month
     From June 1, 2002 to May 31, 2003 the rent shall be $17,000.00 per month

In addition, Lessee shall pay any privilege, excise, sales, gross receipts, rent
or other tax levied or assessed by any governmental  authority against Lessor in
respect  to the rent or other  charges  due under  this  lease or as a result of
Lessor's receipt of such rents or other charges.

3.2 Rent for any period  during the term hereof which is for less than one month
shall be a pro rata portion of the monthly installment. Rent shall be payable in
lawful  money of the  United  States  to Lessor at the  address  referred  to in
paragraph  30 hereof or to such other  persons or at such other places as Lessor
may  designate  in  writing.  Rent  shall be  payable  without  notice,  demand,
deduction or any offset whatever.

                                                                               1
<PAGE>
3.3 In the event  Lessee  fails to make any  installment  payment of rent within
five (5) days of the date due,  without  written  demand or notice for  payment,
then  Lessee  shall,  the next day,  pay to Lessor a late  charge  equal to five
percent (5%) of the amount due. In addition, such delinquent amount and the late
charge shall bear interest  from the due date of the rent as provided  herein at
the rate of twenty percent (20%), per annum, until paid.

4. SECURITY DEPOSIT.

4.1 Lessor  acknowledges  that  Lessee has  already  paid a  $6,780.00  security
deposit under Lessee's current Lease.  Lessee hereby agrees to pay an additional
$10,220.00 to bring the total security  deposit to $17,000.00.  Lessee shall pay
to Lessor upon execution hereof the sum of $10,220.00 as additional security for
the faithful  performance  and  observance  by Lessee of the terms of this Lease
Agreement.  It is agreed that in the event Lessee  defaults in respect of any of
the terms of this Lease Agreement, including, but not limited to, the payment of
rent and  additional  rent,  Lessor may,  in  addition  to any other  rights and
remedies it may have, use, apply or retain the whole or any part of the security
so deposited to the extent  required for the payment of any rent and  additional
rent or any other sum as to which  Lessor may expend or be required to expend by
reason  of  Lessee's  default  in  respect  of any of the  terms  of this  Lease
Agreement.  If Lessor  applies  any part of said  deposit to cure any default of
Lessee,  Lessee  shall upon demand  deposit with Lessor the amount so applied so
that Lessor shall have the full deposit on hand at all times during the terms of
this Lease Agreement.

4.2 In the event that Lessee shall fully and  faithfully  comply with all of the
terms and conditions of this Lease Agreement,  the security shall be returned to
Lessee  without  interest after the date fixed as of the end of the term of this
Lease  Agreement and after delivery of the entire  possession of the Premises to
Lessor.  In the event of a sale or lease of the  Project,  Lessor shall have the
right to  transfer  the  security  to the  vendee or  lessee  and  Lessor  shall
thereupon  be  released  by Lessee  from all  liability  for the  return of such
security, and Lessee agrees to look solely to the new landlord for the return of
said security, and it is agreed that all of the provisions hereof shall apply to
every transfer or assignment made of the security to a new landlord.

5. USES AND SUITABILITY.

5.1 Use.  The  Premises  shall  be used  and  occupied  by  Lessee  for only the
following purposes and for no other purposes  whatsoever,  without obtaining the
prior  written  consent  of  Lessor  which  consent  shall  not be  unreasonably
withheld:  General  office  and  assembly,  manufacture,   storage  and  use  of
electronic and semiconductor equipment and related activities.

5.2 Suitability. The acceptance of possession of the Premises by Lessee shall be
deemed to  conclusively  establish  that  Lessee has  accepted  the  Premises as
complete for all purposes. In any event this Lease Agreement shall be subject to
all applicable zoning ordinances and to any municipal, county and state laws and
regulations   governing  and  regulating   the  use  of  the  Premises.   Lessee
acknowledges that neither Lessor nor Lessor's agent has made any  representation
or warranty as to the  suitability  or condition of the Premises for the conduct
of Lessee's business.

5.3 Uses Prohibited.

     5.3.1  Lessee  shall not do or permit  anything  to be done in or about the
Premises which will increase the existing rate of insurance upon the building in
which the Premises are contained  (unless Lessee shall pay any increased premium
as a result  of such use or acts) or cause  the  cancellation  of any  insurance
policy  covering said Premises or any building,  nor shall Lessee sell or permit
to be kept,  used or sold in or about said  Premises any  articles  which may be
prohibited by a standard form of policy of fire insurance.

     5.3.2  Lessee  shall not do or permit  anything  to be done in or about the
Premises  which will in any way obstruct or  interfere  with the rights of other
Lessees or  occupants of the Project or injure or annoy them or use or allow the
Premises to be used for any unlawful or objectionable purposes, nor shall Lessee
cause,  maintain or permit any  nuisance  in, on or about the  Premises.  Lessee
shall not commit or suffer to be committed any waste in or upon the Premises.

                                                                               2
<PAGE>
     5.3.3 Lessee shall not use the Premises or permit anything to be done in or
about the Premises which will in any way conflict with any law, statute,  zoning
restriction,  ordinance or  governmental  rule or regulation or  requirements of
duly  constituted  public  authorities  now in force or which may  hereafter  be
enacted or  promulgated.  Without  the prior  written  consent of Lessor,  which
consent  must not be  unreasonably  withheld,  Lessee  shall not (either with or
without  negligence)  cause  or  permit  the  escape,  generation,  manufacture,
storage,  disposal or release of any hazardous substances or materials in, on or
about the Premises or Project.  With respect to any such hazardous substances or
materials which have been approved by Lessor in writing,  Lessee shall not allow
the storage or use of such  substances or materials in any manner not sanctioned
by law and by the highest  standards  prevailing in the industry for the storage
and use of such  substances  or  materials,  nor  allow to be  brought  into the
Project any such materials or substances except to use in the ordinary course of
Lessee's  business,  and then only in quantities  approved by Lessor in writing.
Without  limitation,  hazardous  substances  and  materials  shall include those
described  in  the  Comprehensive   Environmental  Response,   Compensation  and
Liability Act of 1980, as amended, 42 U.S.C.  Section 9601 et seq., the Resource
Conservation and Recovery Act, as amended,  42 U.S. C. Section 6901 et seq., any
applicable state or local laws and the regulations  adopted under these acts. In
all events,  Lessee shall indemnify Lessor in the manner  elsewhere  provided in
this Lease  Agreement  from any release of  hazardous  materials on the Premises
occurring  while Lessee is in possession,  if caused by Lessee or persons acting
under  Lessee.  The within  covenants  shall  survive the  expiration or earlier
termination of the term of this Lease Agreement.

6. REAL PROPERTY TAXES AND COMMON AREA EXPENSES.

6.1 For purposes of this Lease, the following terms shall be defined as follows:

     (a) The term "Common Areas" shall be defined to mean those areas to be used
in common with others  entitled  thereto,  except the  Premises  and all similar
areas leased to others or reserved to Lessor's  exclusive  use. The Common Areas
include, without limitation, parking areas, service roads and areas, loading and
dock  facilities,   sidewalks,   courtyards,  gardens,  and  such  other  common
additional areas and facilities as may be REASONABLY designated as a part of the
Common Areas from time to time by Lessor.

     (b) The term "Common Area Expenses" shall be defined to mean the total cost
and expense  incurred by Lessor or Lessor's  agents in operating and maintaining
the Common  Areas  actually  used or  available  for use by Lessee and  Lessee's
employees,  agents, servants, customers and other invitees, excluding only items
of expense commonly known and designated as carrying  charges,  but specifically
including,  without  limitation,  all sums  expended  by Lessor  for  gardening,
repairing,  repaving,  painting,  restriping,  cleaning,  sweeping, planting and
landscaping, janitorial services, pest control, traffic control, security guards
or systems, repairs, preventive and routine maintenance, line painting, lighting
and other utilities,  directional signs and other markers and bumpers,  sanitary
control,  including,  without limitation, all costs of maintaining and operating
any  air   conditioning   and  heating,   sewer,   septic,   or  waste  disposal
installations,  removal of  garbage,  trash and other  refuse,  depreciation  on
machinery  and  equipment  used in such  maintenance,  cost of all utilities and
services  consumed or performed on the Common  Areas,  required  fees or charges
levied pursuant to any governmental  authority,  and a management fee (which may
be payable to Lessor or its  affiliates),  not to exceed  current  market rates.
Lessor  shall also have the right to include  the cost of public  liability  and
property  damage  insurance  on the  Common  Areas  as part of the  Common  Area
Expenses or to separate  such cost and bill Lessee  separately  for its pro rata
share thereof.

     (c) The term "Real  Property  Taxes" shall be defined to mean all taxes and
assessments  imposed upon the real property and permanent  improvements  thereto
comprising  the Project,  or  applicable to the Premises and Common Areas or any
portion thereof, but shall not include personal income taxes,  personal property
taxes,  inheritance  taxes or franchise  taxes  levied upon the Lessor,  but not
directly against said real property,  even though such taxes may or shall become
alien against said real  property.  Any such Real Property Taxes for the year in
which  this  Lease   commences  or  ends  shall  be  apportioned   and  adjusted
accordingly.  With respect to any assessment which may be levied against or upon
the  Project or the  Premises  and which,  under the laws then in force,  may be
evidenced by  improvements or other bonds payable in annual  installments,  only
the annual payments on such assessments shall be included in computing  Lessee's
obligation for Real Property Taxes.

     (d) Lessee's pro rata share of Real Property Taxes and Common Area Expenses
shall be determined based upon the ratio of the gross floor area of the Premises
to the gross floor area of the building  and/or complex of buildings  comprising
the Project.  In this regard, the parties agree that Lessee's pro rata share for
Suite 5 is 5.5% and Lessee's pro rata share for Suites 5 and 6 is 12.9%. In this
regard, the parties hereby agree that commencing June 1, 2000, Lessee's pro rata

                                                                               3
<PAGE>
share for  Suites 1 through 6 shall be  thirty-four  point one  percent  (34.1%)
based upon  application of the above formula to the facts prevailing at the date
hereof. The "gross floor area" is the area measured in square feet to the center
of all party walls and the exterior face of all other exterior walls. Changes in
any gross floor area  occurring  during any monthly period shall be effective on
the first day of the next  succeeding  month,  and the amount of any gross floor
area in effect for the whole of any monthly  period  shall be the average of the
total amounts in effect on the first day of each calendar month.

     (e)  Notwithstanding  the  foregoing,  any  expense  incurred  by Lessor or
Lessor's  agents  in  maintaining  the  Common  Area  that  exceeds  the  sum of
$50,000.00  shall be  amortized  over the  succeeding  sixty (60) month  period.
Lessee  shall pay its pro rata share for such Common Area  Expense in sixty (60)
equal  consecutive  monthly   installments   commencing  the  month  immediately
following the month in which such expense was incurred, provided, however Lessee
shall not be liable for any such  installments  which first become payable after
May 31, 2003.

6.2 Throughout the term of this Lease, Lessee shall pay to Lessor, as additional
rent, the following:

     (a) All Real Property Taxes  applicable to the Premises  during the term of
this  Lease  together  with  Lessee's  pro  rata  share of Real  Property  Taxes
applicable  to the  Common  Areas;  provided,  however,  in the  event  the Real
Property  Taxes  applicable  to the  Premises  are not  separately  assessed and
identified  by  separate  tax bill or  otherwise,  the  amount  due from  Lessee
hereunder shall be Lessee's pro rata share of Real Property Taxes  applicable to
the Project; and

     (b) Lessee's pro rata share of Common Area Expenses.  Such  additional rent
shall be computed  annually,  but may be estimated by Lessor and collected  from
Lessee on a monthly  basis,  together  with the rent  provided  in  paragraph  3
hereof.   Lessor  shall  provide  Lessee  with  a  reconciliation   of  Lessee's
contributions  toward Real Property  Taxes and Common Area Expenses on an annual
basis. If such  reconciliation  shall determine that Lessee's  contributions are
insufficient to satisfy Lessee's  obligations  hereunder,  as finally determined
and actually incurred by Lessor for such period, Lessee shall immediately pay to
Lessor any such deficiency. Any contributions by Lessee in excess of such actual
expenses  shall be credited to any amounts owed by Lessee  under this Lease,  or
refunded to Lessee, at Lessor's election.

7. PERSONAL PROPERTY TAXES.

Lessee shall pay prior to delinquency all taxes assessed or levied upon Lessee's
occupancy of the Premises or upon Lessee's trade fixtures, furniture,  equipment
and  all  other  personal  property  of  Lessee  contained  in the  Premises  or
elsewhere. When possible,  Lessee shall cause said trade fixtures,  furnishings,
equipment and all other personal  property to be assessed and billed  separately
from the real property of Lessor.

8. UTILITIES.

All utilities shall be separately metered for the Premises, and Lessee shall pay
when  billed  and  before   delinquent  all  charges  for  gas  (if  available),
electricity, air conditioning, heating, telephone, janitorial services and other
utilities or services  furnished to the Premises or to Lessee during the term of
this Lease  Agreement.  Lessee shall keep the Premises free of any liens created
by Lessee's  failure to make such  payments.  If any  utility is not  separately
metered,  Lessee  agrees to promptly  pay when  billed,  as  additional  rent, a
reasonable portion to be determined by Lessor of all charges jointly metered.

9. DAMAGE OR DESTRUCTION.

9.1 Except as otherwise provided in this Lease Agreement,  in the event that the
Premises or the Project is damaged by fire or other  casualty  fully  covered by
Lessor's  insurance,  such  damage  shall be  repaired  by and at the expense of
Lessor.  Until such repairs are completed,  and except to the extent such damage
is caused by Lessee or its agent or employees,  the rent payable hereunder shall
be abated  in  proportion  to the  portion  of the  Premises  which is  rendered
unusable by Lessee in the conduct of its  business.  In no event shall Lessor be
obligated to spend more than the net  insurance  proceeds  received by Lessor on
account of any casualty in order to repair or restore the Premises.

                                                                               4
<PAGE>
9.2 In the event such repairs cannot,  in the reasonable  opinion of Lessor,  be
substantially  completed  within  sixty (60) days after the  occurrence  of such
damage (without the payment of overtime or other  premiums),  Lessor may, at its
option,  exercisable by giving  reasonable  notice to Lessee,  make such repairs
with due diligence.  In such event,  this Lease Agreement shall continue in full
force and effect and the rent  payable by Lessee  hereunder  shall be reduced as
above set forth until such repairs are completed.

9.3 In the event Lessor  determines in its reasonable  opinion that such repairs
cannot be substantially completed within such sixty (60) day period and does not
elect to make such  repairs  during a  reasonable  time in excess of such 60-day
period,  then either Lessor or Lessee may, by written  notice given to the other
within ten (10) additional days,  terminate this Lease Agreement effective as of
the date of the occurrence of such damage.

9.4 With  respect to any damage which Lessor is obligated to repair or elects to
repair, Lessee waives the provisions of Arizona Revised Statutes, Section 33-343
(which section deals with Lessee's  rights to termination in the event of damage
or destruction of the Premises).

9.5 Lessor shall not under any  circumstances be required to make any repairs to
or replacements of any paneling,  decoration,  office fixtures, railing, ceiling
or floor covering, partitions or any other property installed in the Premises by
Lessee.

9.6 Notwithstanding anything to the contrary above, in the event of damage to or
destruction  of all or any portion of the  Premises or the Project to the extent
of five  percent  (5%) or more of the then  insurable  replacement  value of the
Project,  Lessor  shall  have the right to  terminate  this Lease  Agreement  by
written  notice to Lessee,  given within thirty (30) days after the date of such
damage,  destruction or  declaration.  Upon the giving of any such notice,  this
Lease Agreement shall terminate.

9.7 In the event  that the  damage  or cost of repair is less than five  percent
(5%) of the  replacement  value,  or in the  event  Lessor  does  not  elect  to
terminate this Lease  Agreement,  the Lease Agreement shall remain in full force
and effect and the Premises shall be repaired and rebuilt in accordance with the
other provisions of this Lease Agreement.

10. LIABILITY INSURANCE.

10.1 During the term of this Lease Agreement,  Lessee shall at Lessee's expense,
maintain general public liability insurance against claims for injury,  wrongful
death or property damage occurring upon, in or about the Premises with companies
and in form  acceptable to Lessor,  with minimum  limits of One Million  Dollars
($1,000,000.00)  on account of bodily injuries to or death of one person,  Three
Million  Dollars  ($3,000,000) on account of bodily injuries to or death of more
than one person as the result of any one  accident  or  disaster,  and  property
damage   insurance  with  minimum  limits  of  One  Hundred   Thousand   Dollars
($100,000.00). Lessee shall add the name of Lessor to the policies and agrees to
insure  the  interest  of Lessor so long as this Lease  Agreement  is in effect.
Lessee shall file proof of insurance with Lessor prior to Lessee's possession of
the  Premises.  Lessee  hereby  releases  and  waives  any  and  all  rights  of
subrogation against Lessor, and Lessee shall ensure that such policy or policies
of insurance shall contain a waiver of subrogation clause as to Lessor.

10.2  During the entire  term of this  Lease,  Lessor  shall,  at the expense of
Lessee as set forth  below,  procure  and  maintain  the  following  policies of
insurance:

     (a) Commercial general liability  insurance for personal injury,  death and
property damage occurring on the Common Areas,  the limits of liability  thereof
to be in such amounts as Lessor may reasonably  require under the  circumstances
existing from time to time; and

     (b) "Special Form" property  coverage  insurance  against loss due to fire,
vandalism,  malicious mischief, sprinkler leakage and special extended perils in
an amount  adequate to cover the full cost of replacement of the Premises.  Said
insurance  shall  provide  for  payment of loss  thereunder  to Lessor or to the
holders of  mortgages  or deeds of trust on the  Premises.  Lessee  shall pay to
Lessor,  as additional  rent,  the cost of the insurance to be carried by Lessor
pursuant  hereto;  provided,  however,  if the cost  applicable  to the Premises

                                                                               5
<PAGE>
cannot  otherwise be  separately  identified,  the  amount(s)  payable by Lessee
hereunder  shall be  determined  based upon the ratio of the gross floor area of
the Premises to the gross floor area of the building and/or complex of buildings
comprising the Project,  in a manner  consistent  with paragraph  6.1(d) hereof.
Lessee agrees to pay to Lessor such amount(s) within ten (10) days after written
demand  is sent  by  Lessor  to  Lessee  accompanied  by the  insurance  premium
notice(s) and evidence of the amount due. Notwithstanding the foregoing,  Lessor
shall have the option to include the cost of the  insurance  on the Common Areas
set  forth in  subparagraph  (a)  hereof  as part of the  Common  Area  Expenses
pursuant to paragraph 6 hereof,  instead of billing  Lessee  separately for such
cost.

11. LIABILITY AND INDEMNIFICATION.

11.1  Lessee  shall  indemnify  and hold  Lessor  harmless  from and against all
liabilities,  obligations,  losses, damages, penalties,  claims, actions, suits,
costs, charges and expenses,  including reasonable attorneys' fees, which may be
imposed upon or incurred by or asserted  against  Lessor arising from any breach
or default by Lessee, from any use, non-use or condition of the Premises created
by or attributable to Lessee or Lessee's employees, customers, agents, invitees,
licensees,  guests  or  lessees,  and  from  any  negligence,  act  or  omission
attributable  to Lessee or  Lessee's  employees,  customers,  agents,  invitees,
licensees,  guests or lessees.  In the event that any action or proceeding shall
be brought  against  Lessor by reason of any claim referred to in this paragraph
11.1, Lessee,  upon written notice from Lessor,  shall at Lessee's sole cost and
expense  resist or defend the same through  counsel  selected by Lessor.  Lessor
shall not be liable for any damage to or theft of any personal property,  goods,
commodities or materials in or about the Premises. Lessee agrees that Lessor and
Lessor's agents,  employees and servants shall not be liable,  and Lessee waives
all claims for damage to property and business sustained during the term of this
Lease Agreement by Lessee occurring in or about the Project,  resulting directly
or indirectly from any existing or future condition,  defect, matter or thing in
the  Premises,   the  Project  or  any  part  thereof,   or  from  equipment  or
appurtenances  becoming out of repair or from accident,  or from any occurrence,
act or omission of Lessor, Lessor's agents, employees or servants, any tenant or
occupant of the Project or any other person.

11.2 The term  "Lessor" as used in this Lease  Agreement  so far as covenants or
obligations  on the part of Lessor  are  concerned  shall be limited to mean and
include only the owner or owners of the Project at the time in question,  and in
event of any  transfer or  conveyance  the then grantor  shall be  automatically
freed and released from all personal  liability accruing from and after the date
of such transfer or conveyance  as respects the  performance  of any covenant or
obligation  on the  part of  Lessor  contained  in this  Lease  Agreement  to be
performed, it being intended hereby that the covenants and obligations contained
in this  Lease  Agreement  on the part of Lessor  shall be  binding  on the then
Lessor only during and in respect to its period of ownership.  In the event of a
sale or conveyance  by Lessor of the Project,  the same shall operate to release
Lessor from any future liability upon any of the covenants or conditions  herein
contained and in such event Lessee  agrees to look solely to the  responsibility
of the  successor  in  interest of Lessor in and to this Lease  Agreement.  This
Lease Agreement shall not be affected by any such sale or conveyance, and Lessee
agrees to attorn to the purchaser or grantee,  which  purchaser or grantee shall
be personally  obligated on this Lease Agreement only so long as it is the owner
of Lessor's interest in and to this Lease Agreement.  Furthermore, Lessee agrees
to look  solely to Lessor's  interest  in the  Project  for the  recovery of any
judgment  from  Lessor,  it being  agreed  that  Lessor and each of its  general
partners shall never be personally liable for any such judgment.

12. EMINENT DOMAIN.

If the Premises  shall be taken,  or if a substantial  portion  thereof shall be
taken,  which shall prevent Lessee from conducting its business under this Lease
Agreement,  by proper  authority  for  public or  quasi-public  use,  Lessee may
terminate  this  Lease  Agreement  by  giving  Lessor  written  notice  of  such
termination  within two (2) months  after such  taking and the rent shall  abate
during the unexpired  portion of this Lease  Agreement,  effective from the date
when  possession  of the part so taken shall be required for the use and purpose
for which it has been taken.  If only a part of the Premises is so taken and the
part not so taken shall be sufficient  for the  reasonable  use of the remainder
for the  purpose of Lessee's  business  under this Lease  Agreement,  this Lease

                                                                               6
<PAGE>
Agreement  shall remain in full force and effect,  except that the rent shall be
reduced in proportion of Project  square  footage to which the Premises so taken
bears to the Premises  originally leased. All compensation  awarded for any such
taking shall belong to and be the property of Lessor.

13. REPAIRS.

13.1  Lessor  shall make all  necessary  repairs to the  exterior  walls,  roof,
structural components,  plumbing,  electrical wiring and air conditioning system
of the Project of which the Premises are a part except exterior  glass,  windows
and doors.  Lessor  also shall  maintain  and keep in good  repair the  exterior
lighting,  parking  areas,  docks  and  sidewalks  appurtenant  to the  Project.
Notwithstanding  anything to the  contrary,  any damage  caused or  permitted by
Lessee, or by Lessee's employees,  agents or invitees, to the Premises or to the
Project shall be repaired by Lessee, or at Lessor's election,  Lessor may repair
such damage at the expense of Lessee and Lessee shall promptly  reimburse Lessor
for such expense upon Lessor's demand.

13.2 Lessee,  at Lessee's  expense,  shall  maintain and keep the Premises in as
good order,  condition and repair,  including doors, windows and interior glass,
as they were at the time Lessee took possession of the same, reasonable wear and
tear excepted.  Lessee shall keep the Premises in a neat and sanitary condition.
All repairs,  restorations and replacements  shall be in quality and class equal
to the original work.

13.3 Lessee agrees to notify Lessor promptly of any defective condition known to
Lessee  which  Lessor is  required  to repair,  and the  failure to report  such
defects shall make Lessee  responsible to Lessor for any  additional  liability,
cost or  expense  incurred  by Lessor by reason of  Lessee's  failure  to notify
Lessor of such defect. Lessor shall be under no duty to inspect the Premises.

14. LIENS.

     If the  Premises,  or any part  thereof,  or  Lessee's  leasehold  interest
therein, shall at any time during the term of the Lease Agreement become subject
to the lien of any  vendor,  mechanic,  laborer  or  materialman  based upon the
furnishing of materials or labor to Lessee or the Premises and contracted for by
Lessee,  Lessee  shall cause the same,  at Lessee's  expense,  to be  discharged
within fifteen (15) days after notice thereof.

15. NUISANCE.

15.1 Notwithstanding anything in this Lease Agreement to the contrary, including
without  limitation  the  use by  Lessee  of the  Premises  in  accordance  with
paragraph 5  hereunder,  Lessee shall not commit or permit any nuisance or other
act, whether noise, odor, smoke,  sewerage,  chemical waste or otherwise,  which
may disturb the quiet enjoyment of any other tenants of Lessor in the Project.

15.2 Lessee shall not obstruct or cause to be  obstructed  any public or private
roadways,  sidewalks or common areas appurtenant to the Project,  or any parking
areas or docking areas of other  tenants of Lessor in the Project.  In the event
Lessee commits or permits any nuisance or act set forth in this  paragraph,  the
same shall be a material breach of this Lease Agreement.

16. ASSIGNMENT AND SUBLETTING.

16.1 Lessee  shall not  voluntarily  or by  operation  of law assign,  transfer,
mortgage or encumber this Lease Agreement,  or any interest  therein,  and shall
not sublet the Premises or any part  thereof or suffer any other  person  (other
than the  employees  and agents of Lessee) to occupy or use the  Premises or any
portion thereof, without obtaining Lessor's prior written consent.

                                                                               7
<PAGE>
16.2 Regardless of Lessor's  consent,  no subletting or assignment shall release
Lessee from Lessee's obligations or alter the primary liability of Lessee to pay
the  rent and to  perform  all  other  obligations  to be  performed  by  Lessee
hereunder.  The  acceptance of rent by Lessor from any other person shall not be
deemed a waiver by Lessor of any provision hereof.  Consent to one assignment or
subletting  shall  not  be  deemed  consent  to  any  subsequent  assignment  or
subletting.  In the event of default by any assignee of Lessee or any  successor
of Lessee,  in the  performance  of any of the terms hereof,  Lessor may proceed
directly  against  Lessee without the necessity of exhausting  remedies  against
said  assignee.  Lessor may consent to subsequent  assignments  or subletting of
this Lease or  amendments  or  modifications  to this Lease  with  assignees  of
Lessee,  without  notifying  Lessee,  or any  successor  of Lessee,  and without
obtaining its or their consent  thereto and such action shall not relieve Lessee
of liability under this Lease.

16.3 In the event  Lessee  shall  assign or sublet the  Premises  or request the
consent of Lessor to any  assignment or  subletting,  or if Lessee shall request
the consent of Lessor for any act Lessee  proposes  to do, the Lessee  shall pay
Lessor's reasonable attorneys' fees incurred in connection therewith.

17. SURRENDER OF PREMISES AND HOLDING OVER.

17.1 Except as provided hereinafter,  upon the expiration or earlier termination
of this Lease,  Lessee shall quit and surrender the Premises,  "broom-clean," in
good condition and repair  (reasonable wear and tear excepted).  If the Premises
are not surrendered at the end of the Lease term,  Lessee shall indemnify Lessor
against loss or liability  resulting from delay by Lessee in so surrendering the
Premises,  including,  without  limitation,  any claims  made by any  succeeding
tenant based on such delay.

17.2 If  Lessee  or any  successor  in  interest  of  Lessee,  should  remain in
possession  of the  Premises  after the  expiration  of the Lease  term  without
executing a new lease,  then such  holding  over shall be construed as a tenancy
from  month to  month,  subject  to all the  covenants,  terms,  provisions  and
obligations of this Lease except Minimum Monthly Rent, which shall be subject to
an automatic  increase of twenty-five  percent (25%),  over and above the amount
paid in the last full calendar month of the Lease term. Nothing contained herein
shall be construed as Lessor's permission for Lessee to hold over.

18. DEFAULT.

18.1 If Lessee  fails to pay any rents  when due within ten (10) days of the due
date,  or if Lessee  commits a breach under  paragraph  17 hereof,  or if Lessee
defaults  in the  performance  of any  other  term or  covenant  of  this  Lease
Agreement,  and any such default is not cured within five (5) days after written
notice  thereof  from Lessor to Lessee,  then,  in any such event Lessor may, at
Lessor's option, terminate this Lease Agreement and/or re-enter the Premises and
remove  all  persons  and  all or  any  property  therefrom  either  by  summary
dispossess  proceedings or by any other suitable  action or proceeding at law or
by force or otherwise, without being guilty of trespass or liable to indictment,
prosecution or damage therefor,  and repossess and enjoy the Premises,  together
with all  improvements,  additions,  alterations,  installations  and  fixtures,
without such  re-entry and  repossession  working a forfeiture  or waiver of the
rents to be paid and the  covenants to be  performed  by Lessee  during the full
term of this Lease Agreement, and upon such termination or re-entry, Lessee will
quit and  surrender  the Premises to Lessor,  but Lessee shall remain  liable as
hereinafter provided.  Upon termination of this Lease Agreement or expiration of
Lessee's  right to occupy the Premises by reason of the  happening of any of the
foregoing  events, or in any other manner or circumstances  whatsoever,  whether
with or without legal proceedings,  by reason of or based upon or arising out of
a default or breach of this Lease  Agreement on the part of Lessee,  or upon the
happening of any default  hereunder,  Lessor may, at its option, at any time and
from time to time,  relet the  Premises  or any part or parts  thereof,  for the
account of Lessee or  otherwise,  and receive  and  collect  the rent  therefor,
applying  the same  first to the  payment  of such  expenses  as Lessor may have
incurred in recovering possession of the Premises, including attorneys' fees and
expenses  for putting the same into good order and  condition  or  preparing  or
altering  the same  for  re-rental  to the  extent  Lessor  deems  necessary  or
desirable  and all other  expenses,  commissions  and charges  paid,  assumed or
incurred  by  Lessor  in or  about  reletting  the  Premises  and  then  to  the
fulfillment  of the covenants of Lessee  hereunder.  Any such  reletting  herein
provided for may be for the  remainder of the term of this Lease  Agreement,  as
originally  granted,  or for a longer or shorter  period.  Lessor shall have the
right to change the character and use made of the Premises, and Lessor shall not
be required to accept any substitute  tenant offered by Lessee or to observe any
instructions  given by Lessee up to the later of the time of such termination of
this Lease  Agreement  or of such  recovery  of  possession  of the  Premises by

                                                                               9
<PAGE>
Lessor, as the case may be, and thereafter,  except in a case in which liability
of Lessee as  hereinafter  provided  arises  by reason of the  happening  of the
insolvency of Lessee, Lessee covenants and agrees, if required by Lessor, to pay
to Lessor until the end of the initial term of this Lease Agreement,  and/or any
renewal  term,  as the case may be,  the  equivalent  of the  amount of all rent
reserved  hereunder,  and all other charges required to be paid by Lessee,  less
the net proceeds of reletting,  if any.  Lessor shall have the election in place
of and instead of holding Lessee so liable  forthwith to recover  against Lessee
as damages for loss of the bargain and not as a penalty,  an aggregate sum which
at the time of such  termination of this Lease  Agreement or of such recovery of
possession of the Premises by Lessor,  as the case may be,  represents  the then
present worth of the excess,  if any, of the aggregate of the rent and all other
charges  payable by Lessee  hereunder that would have accrued for the balance of
the initial  term,  and/or any renewal  term,  as the case may be, over the then
present  worth of the fair market  rents and all other  charges for the Premises
for the balance of such term. In addition,  upon any default  hereunder,  Lessor
shall have the right to exercise in connection therewith or separately any other
rights or remedies provided by law.

18.2 The rights and  remedies of Lessor shall  include,  but are not limited to,
enforcement  of any rights and  privileges  hereunder by  mandatory  injunction,
restraining  order or other equitable relief. In the event of re-entry by Lessor
as hereinabove provided,  Lessor shall not be or become responsible for or incur
any  liability  to Lessee or other  persons for any  personal  property,  goods,
commodities  or materials in or about the Premises at the time of re-entry,  the
Lessor may store or dispose of such personal  property,  goods,  commodities  or
materials at the expense of Lessee with  payment  therefore to be made by Lessee
upon demand of Lessor.

19. INSOLVENCY.

In addition to any other rights or remedies of Lessor  hereunder,  if Lessee, at
any time during the term of this Lease Agreement,  shall be or become insolvent,
or if Lessee  shall  compound  Lessee's  debts or sign over  Lessee's  estate or
effects for payment thereof, or if any sheriff, marshal,  constable or any other
officer  take  possession  of  the  Premises  by  virtue  of  any  execution  or
attachment,  or if any receiver or trust is appointed of any property of Lessee,
or in the event Lessee shall be adjudged bankrupt, then and in any such event it
shall be lawful  for  Lessor at  Lessor's  election  to enter  into and upon the
Premises,  or any part thereof, and to have, hold and possess and enjoy the same
as in the Lessor's former estate, discharged from these presents, and this Lease
Agreement  shall  thereupon  be  terminated,  anything  herein  contained to the
contrary notwithstanding.

20. LEGAL EXPENSES.

In the event of any suit instituted by either Lessor or Lessee against the other
in any way connected with this Lease  Agreement,  or for the recovery of rent or
possession  of the  Premises,  the  successful  party to any such  action  shall
recover  from the other  party  reasonable  attorneys'  fees and Court  costs in
connection with said suit.

21. LESSOR'S RIGHT.

In the event that Lessee does not pay before  delinquent any taxes,  assessments
or other charges to be paid hereunder by Lessee,  Lessor shall have the right to
make such payment and to thereupon charge Lessee for the amount of such payment,
together  with  interest  thereon  from the date of such  payment to the date of
repayment by Lessee to Lessor at the rate of twenty percent (20%), per annum.

                                                                               9
<PAGE>
22. SUBORDINATION.

22.1 This Lease  Agreement  and the estate  granted  hereby shall be subject and
subordinate to the lien of any mortgage or mortgages  which now or hereafter may
constitute  alien on the  Premises,  and to any  agreements  at any  time  made,
modifying,  supplementing,  extending or renewing any such mortgages;  provided,
however,  that Lessor shall attempt to obtain from the mortgagee  under any such
mortgage an  agreement  in  substance  that,  so long as Lessee  shall not be in
default  in the terms of this Lease  Agreement,  this  Lease  Agreement  and the
estate  hereby  granted  shall  not  be  terminated.   The  provisions  for  the
subordination  of this Lease  Agreement and the estate  hereby  granted shall be
self  operative  and no further  instruments  shall be  required  to effect such
subordination;  provided,  that the parties  hereto  shall,  upon request by any
mortgagee at any time or times, execute and deliver any and all instruments that
may be reasonably necessary or proper to effect such subordination or to confirm
or evidence the same.

22.2  Lessee  shall at any time upon not less than ten (10) days  prior  written
notice from Lessor  execute,  acknowledge  and deliver to Lessor a statement  in
writing:  (a)  certifying  that this Lease  Agreement is unmodified  and in full
force and effect (or, if modified  stating the nature of such  modification  and
certifying  that this Lease  Agreement  as so modified in full force and effect)
and the date to which the rent and other  charges are paid in  advance,  if any;
(b)  acknowledging  that there are not any  uncured  defaults on the part of the
Lessor  hereunder,  or  specifying  such  defaults if any are claimed.  Any such
statement  may  be  conclusively  relied  upon  by a  prospective  purchaser  or
encumbrancer of the Premises.  Lessee's failure to deliver such statement within
such time shall be deemed Lessee's acknowledgment that: (i) This Lease Agreement
is in full force and effect,  without  modification except as may be represented
by Lessor; (ii) There are no uncured defaults in Lessor's performance; and (iii)
Not more than one month's  rent has been paid in advance.  If Lessor  desires to
sell,  finance or refinance  the Premises,  or any part  thereof,  Lessee hereby
agrees to deliver to any purchaser or lender  designated by Lessor sce# THE MOST
RECENTLY AVAILABLE financial statements of Lessee. All such financial statements
shall be  received  by  Lessor  in  confidence  and  shall be used  only for the
purposes therein set forth.

23. SIGNS.

No signs,  advertisements  or notices shall be placed by Lessee visible from the
outside of the Project,  whether  walls,  roofs,  windows,  sidewalks,  doors or
otherwise,  except such as shall  first be approved in writing by Lessor,  which
approval  shall not be  unreasonably  withheld.  If such  approval  by Lessor is
given,  such signs,  advertisements or notices shall be installed and maintained
at Lessee's expense and shall conform to all applicable governmental laws, rules
and  regulations.  The standard  sign  criteria for the Premises is set forth on
Exhibit "D" which is attached hereto and incorporated herein by this reference.

24. PROJECT RULES.

Lessee shall abide by all rules and regulations of the Project imposed by Lessor
for the  cleanliness,  good  appearance,  proper  maintenance,  good  order  and
reasonable use of the Premises and the Project by all the tenants of the Project
and their clients, customers and employees. The rules and regulations, a copy of
which are attached hereto as Exhibit " C" and made a part hereof, may be changed
from time to time on reasonable  notice to Lessee. A breach of Project rules and
regulations shall be a material breach of this Lease Agreement.

25. RIGHT OF ENTRY.

Lessor may, during the term of this Lease Agreement, at all reasonable times and
during  usual  business  hours,  enter  upon the  Premises  for the  purpose  of
inspection of same or for the purpose of showing same to prospective lenders and
purchasers,  and in addition, may, at any time within the last six (6) months of
the term of this Lease Agreement show, the Premises to prospective lessees.

                                                                              10
<PAGE>
26. SURRENDER.

Upon the  expiration  of the term of this  Lease  Agreement,  or upon the  early
termination  of this  Lease  Agreement,  Lessee  shall  surrender  up  peaceable
possession  of the  Premises in the same  condition  as the  Premises are at the
commencement of this Lease Agreement, reasonable wear and tear is excepted.

27. CERTAIN RIGHTS RESERVED BY LESSOR.

Lessor  reserves the following  rights  exercisable  without  notice and without
liability to Lessee and without  effecting an eviction,  constructive or actual,
or disturbance  of Lessee's use or  possession,  or giving rise to any claim for
set off or abatement of rent:  (a) to control,  install,  affix and maintain any
and all signs on the  property,  or on the  exterior  of the  Project and in the
corridors,  entrances and other common areas thereof,  except those signs within
the Premises not visible from outside the Premises; (b) to reasonably designate,
limit, restrict and control any service in or to the Project,  including but not
limited to the designation of sources from which Lessee may obtain sign painting
and lettering;  any restriction,  designation,  limitation or control imposed by
reason of this  subparagraph  shall be  imposed  uniformly  on Lessee  and other
tenants occupying space in the Project; (c) to retain at all times and to use in
appropriate  instances keys to all doors within and into the Premises;  no locks
shall be changed  without the prior written  consent of Lessor;  this  provision
shall not apply to Lessee's  safes or other areas  maintained  by Lessee for the
safety and security of monies, securities, negotiable instruments or like items;
(d) to make  repairs,  improvements,  alterations,  additions or  installations,
whether structural or otherwise,  in and about the Project, or any part thereof,
and for such purposes to enter upon the Premises, and during the continuation of
any of said work,  to  temporarily  close doors,  entryways,  public  spaces and
corridors in the Project and to interrupt or  temporarily  suspend  services and
facilities;  and (e) to approve  the size and  location of safes and other heavy
equipment  and articles in and about the Premises and the Project and to require
all such items to be moved into and out of the Project and the Premises  only at
such times and in such manner as Lessor shall direct in writing.

28. NOTICES.

28.1 Any notice  required or  permitted to be given or served by either party to
this Lease  Agreement  shall be deemed to have been given or served when made in
writing, by certified or registered mail, addressed as follows:

LESSOR:   Fairmont Commerce Center, LLC
          525 Broadway Suite 203
          Santa Monica, CA 90401

LESSEE:   Sitek, Incorporated
          Attn: Chief Financial Officer
          1919 West Fairmont Suite 2
          Tempe, Arizona

28.2 All  rental  payments  shall be made to Lessor at the  above  address.  The
addresses may be changed from time to time by either party by serving  notice as
above  provided.  All notices  shall be  effective if mailed as aforesaid on the
second  business day  following  deposit in the mail,  or otherwise  upon actual
receipt by the recipient.

29. DELAYS; DEFAULT BY LESSOR.

29.1 Lessor shall not be responsible  for any delay or failure in the observance
or performance  of any term or condition of this Lease  Agreement to be observed
or  performed  by Lessor to the extent  that such delay  results  from action or
order of governmental  authorities civil commotion,  strikes, fires, acts of God
or the public enemy act or default of any tenant in the Project,  the  inability
to procure labor, material,  fuel, electricity,  or other forms of energy or any
other cause beyond the reasonable  control of Lessor,  whether or not similar to
the matters herein specifically enumerated.  Any delay shall extend by like time
any  period  of  performance  by  Lessor  and shall not be deemed a breach of or
failure to perform this Lease Agreement or any provisions hereof.

                                                                              11
<PAGE>
29.2 In the event of any default under this Lease  Agreement by Lessor,  Lessee,
before  exercising  any  rights  that it may have at law to  cancel  this  Lease
Agreement,  shall have given written  notice of such default to Lessor and shall
have offered  Lessor a reasonable  opportunity  to correct and cure the default.
Lessee  also  agrees  to give the  holders  of any  mortgages  or deeds of trust
("mortgagees")  by registered  mail, a copy of any notice of default served upon
Lessor,  provided  that prior to such notice Lessee has been notified in writing
(by way of Notice  of  Assignment  of Rents and  Leases,  or  otherwise)  of the
addresses of such  mortgagees.  Lessee  further agrees that if Lessor shall have
failed to cure such default within the aforesaid time limit, then the mortgagees
shall have an  additional  twenty (20) days within which to cure such default or
if such default cannot be cured within that time,  then such  additional time as
may be  necessary,  if within such twenty (20) days any  mortgagee has commenced
and  is  diligently  pursuing  the  remedies  necessary  to  cure  such  default
(including  but not  limited  to  commencement  of  foreclosure  proceedings  if
necessary to effect such cure) in which event this Lease  Agreement shall not be
terminated while such remedies are being so diligently pursued.

30. PARKING.

30.1 Lessee also acknowledges  that there are unreserved  surface parking spaces
in an uncovered parking area adjoining the building.  Lessee and visitors of the
Project may park in such spaces without charge on a non-exclusive basis.

33.2  Lessee's  use of all  parking  areas  shall be  subject  to any  rules and
regulations relating thereto included from time to time in the Project Rules and
Regulations, including regulations governing the designation of specific parking
spaces for use by the Lessee and its guests and invites,  the hours during which
such  parking  spaces  may be used,  the size of such  parking  spaces,  and the
traffic  flow in the parking  areas.  Lessor  shall not be  responsible  for any
vandalism or other  damages from any cause  occurring  to  automobiles  or their
contents while located in such parking spaces or moving in the parking area.

31. NO WAIVER.

Any waiver by any of the parties  hereto of any breach of this Lease  Agreement,
or of any right of any party,  must be in  writing,  and in any event  shall not
constitute a waiver of any other breach or of any other right.

32. ENTIRE AGREEMENT.

This Lease Agreement  contains the entire  agreement  between the parties hereto
and no term or provision hereof may be changed, waived, discharged or terminated
unless the same be in writing executed by both parties hereto.

33. APPLICABLE LAW.

The laws of Arizona shall govern the  construction,  performance and enforcement
of this Lease Agreement.

34. TIME OF ESSENCE.

Time shall be of the  essence in the  performance  of every term,  covenant  and
condition of this Lease Agreement.

                                                                              12
<PAGE>
35. HEADINGS.

The paragraph  headings  contained  herein are inserted only for  convenience of
reference and are in no way to be construed as a part of this Lease Agreement or
as a limitation on the scope of the particular paragraphs to which they refer.

36. BENEFITS.

Subject to paragraph 18 hereof,  this Lease Agreement shall inure to the benefit
of and be binding upon the parties hereto and their respective heirs, executors,
administrators, legal representatives, successors and assigns.

37. SEVERABILITY.

If any term or  provision  of this Lease  Agreement  shall,  to any  extent,  be
determined by a court of competent  jurisdiction to be invalid or unenforceable,
the remainder of this Lease  Agreement shall not be affected  thereby,  and each
other  term  and  provision  of this  Lease  Agreement  shall  be  valid  and be
enforceable to the fullest extend permitted by law.

38. ABANDONMENT.

Lessee shall not vacate or abandon  Premises at any time during the term of this
Lease  Agreement,  nor permit the  Premises  to remain  unoccupied  for a period
longer  than  fifteen  (15)  consecutive  days  during  the  term of this  Lease
Agreement;  and if Lessee shall abandon, vacate or surrender the Premises, or be
dispossessed by process of law, or otherwise, any personal property belonging to
Lessee and left on the Premises shall be deemed abandoned.

39. LESSEE AUTHORITY.

Lessee  shall   furnish  to  Lessor  a  corporate   resolution,   proof  of  due
authorization  of  partners,  or  other  appropriate   documentation  reasonably
requested by Lessor  evidencing  the due  authorization  of Lessee to enter into
this Lease Agreement.

                                                                              13
<PAGE>
40. ADDITIONAL TERMS AND CONDITIONS.

Additional terms and conditions which apply to this Lease Agreement, if any, are
set forth on Exhibit "D" which is  attached  hereto and  incorporated  herein by
this  reference.  The attached  Exhibit "D" will be  effective  when the same is
signed by both parties hereto.

IN WITNESS WHEREOF, the parties have executed this Lease Agreement as of the day
and year first above written.


LESSOR: Fairmont Commerce Center, LLC    LESSEE: Sitek, Incorporated


- -----------------------------------      ---------------------------------------
By: DMC Investment Co, LLC, Manager      By: Gloria Zemla, Chief Financial
    Avrom Green, Manager                     Officer, Vice President and
                                             Treasurer

                                                                              14
<PAGE>
                                   EXHIBIT "A"

                                  THE PREMISES


                      [FAIRMONT COMMERCE CENTER FLOORPLAN]

                                                                              15
<PAGE>
                                   EXHIBIT "B"

        OUTLINE SPECIFICATIONS FOR IMPROVEMENTS TO BE PAID FOR BY LESSOR


See the provisions in Exhibit "D" of this lease.



- --------------------------              --------------------------
Lessor's Initials                       Lessee's Initials

                                                                              16
<PAGE>
                                   EXHIBIT "C"

                          PROJECT RULES AND REGULATIONS

1. Any sign, lettering,  picture, notice or advertisement installed on or in any
part of the leased  premises and visible  from the  exterior of the Project,  or
visible from the exterior of the  Premises,  shall be installed at Lessee's sole
cost and expense, and in such manner,  character and style as Lessor may approve
in writing which approval shall not be unreasonably  withheld. In the event of a
violation  of the  foregoing  by Lessee,  Lessor may remove the same without any
liability and may charge the expense incurred by such removal to Lessee.

2. No awning or other  projection  shall be attached to the outside walls of the
Project. No curtains, blinds, shades or screens visible from the exterior of the
Project or visible  from the exterior of the  Premises,  shall be attached to or
hung in, or used in connection  with any window or door of the Premises  without
the prior written consent of Lessor. Such curtains,  blinds,  shades, screens or
other fixtures must be of a quality,  type,  design and color, and attached in a
manner approved by Lessor.

3. Lessee,  its servants,  employees,  customers,  invitees and guests shall not
obstruct sidewalks,  entrances,  passages, corridors,  vestibules, halls, in and
about  the  Project  which  are used in  common  with  other  tenants  and their
servants, employees, customers, guests and invitees, and which are not a part of
the Premises of Lessee.  Lessee shall not place objects against glass partitions
or doors or windows  which would be unsightly  from the exterior of the Project,
and will promptly remove any such objects upon notice from Lessor.

4. Lessee shall not make excessive noises,  cause  disturbances or vibrations or
use or operate any electrical or mechanical devices that emit excessive sound or
other  waves or  disturbances  or  create  obnoxious  odors  any of which may be
offensive  to the other  tenants and  occupants  of the  Project,  or that would
interfere  with  the  operation  of any  device,  equipment,  radio,  television
broadcasting  or reception from or within the Project or elsewhere and shall not
place or install any projections, antennas, aerials or similar devices inside or
outside of the Premises or on the Project.

5.  Lessee  shall not waste  electricity,  water or air  conditioning  and shall
cooperate  fully  with  Lessor it insure  the most  efficient  operation  of the
Project's heating and air conditioning systems.

6. Lessee  assumes  full  responsibility  for  protecting  its space from theft,
robbery and pilferage,  which  includes  keeping doors locked and other means of
entry to the Premises closed and secured after normal business hours.

7. Lessee shall comply with all applicable  federal,  state and municipal  laws,
ordinances  and  regulations,  and  Project  Rules  and shall  not  directly  or
indirectly  make any use of the Premises  which may be  prohibited by any of the
foregoing  or which may be  dangerous to persons or property or may increase the
cost of insurance or require additional insurance coverage.

8. Lessor  shall have the right to prohibit any  advertising  by Lessee which in
Lessor's  reasonable  opinion tends to impair the reputation or character of the
Project,  and upon  written  notice from Lessor,  Lessee  shall  refrain from or
discontinue such advertising.

9. The  Premises  shall not be used for cooking (as opposed to heating of food),
lodging, sleeping or for any immoral or illegal purpose.

10. Any carpeting  cemented down by Lessee shall be installed  with a releasable
adhesive.  In the event of a violation of the  foregoing  by Lessee,  Lessor may
charge the expense incurred by such removal to Lessee.

11. The water and wash closets,  drinking  fountains and other plumbing fixtures
shall  not be used  for any  purpose  other  than  those  for  which  they  were
constructed,  and  no  sweepings,   rubbish,  rags,  coffee  grounds,  or  other
substances shall be thrown therein. All damages resulting from any misuse of the
fixtures shall be borne by the Lessee who or whose servants,  employees, agents,
visitors,  or licensees,  shall have caused same. No person shall waste water by
interfering with the faucets or otherwise.

                                                                              17
<PAGE>
12. No  electric  circuit  for any purpose  shall be brought  into the  Premises
without Lessor's written  permission  specifying the manner in which same may be
done.

13. Based upon  reasonable  structural  /imitations in the Premises,  Lessee may
limit the weight,  size and position of all safes,  fixtures and other equipment
or machinery used in the Premises. In the event Lessee shall require extra heavy
equipment or machinery,  Lessee shall notify Lessor of such fact,  and shall pay
the cost of  structural  bracing to  accommodate  same.  All damage  done to the
Premises or Project by installing, removing or maintaining extra heavy equipment
or machinery shall be repaired at the expense of the Lessee.

14.  Canvassing,  soliciting  and peddling in the Project is prohibited and each
tenant of the Project shall cooperate to prevent the same.

15. Lessee shall not mark, drive nails, screw or drill into, paint or in any way
deface the exterior walls, roof,  foundations,  bearing walls or pillars without
the prior  written  consent of Lessor.  No boring or cutting  for wires shall be
allowed, except with the prior written consent of Lessor.

16. Lessee, its servants, employees,  customers, invitees and guests shall, when
using the common parking  facilities in and around the Project  observe and obey
all signs  regarding  fire lanes and no parking  zones,  and when parking always
park between the designated lines. Lessor reserves the right to tow away, at the
expense of the owner, any vehicles which in improperly  parked or parked in a no
parking zone.  All vehicles  shall be parked at the sole risk of the owner,  and
Lessor  assumes  no  responsibility  for any damage to or loss of  vehicles.  No
vehicles shall be parked overnight.

17. Wherever in these Project Rules and Regulations the word "Lessee" occurs, it
is understood and agreed that it shall mean Lessee's associates, agents, clerks,
servants and visitors.  Wherever the word "Lessor" occurs,  it is understood and
agreed  that it shall mean  Lessor's  assigns,  agents,  clerks,  servants,  and
visitors.

18.  Lessor  reserves the right at any time to change or rescind any one or more
of these rules and regulations as in Lessor's judgment may from time to time may
be necessary for the  management,  safety,  care and cleanliness of the Project.
Lessor  shall  not be  responsible  to Lessee  or to any  other  person  for the
non-observance  or violation of these rules and  regulations by any other Lessee
or other person.

                                                                              18
<PAGE>
                                   EXHIBIT "D"

           CONSTRUCTION PROVISIONS FOR LESSEE IMPROVEMENTS TO PREMISES

1. SCOPE OF WORK.  These  provisions  define the scope of work to be provided by
Lessor  and  Lessee in the  Premises  under the  terms of the  Lease.  Words and
phrases  used herein  which are defined in the Lease have the meanings set forth
therein unless provided otherwise.

2. INTENT OF EXHIBIT.  It is the intent of these provisions that Lessee shall be
permitted freedom in the interior design and layout of its space so long as same
is consistent  with Lessor's  policies and structural  requirements,  applicable
building codes, and with sound  architectural  and construction  practices.  Any
additional  cost of design,  construction,  operation,  insurance,  maintenance,
taxes, fees or utilities which results there from shall be charged to Lessee and
paid for by Lessee in accordance with the provisions hereof and of the Lease.

3. LESSOR'S ALLOWANCE.  Lessor hereby grants Lessee a construction allowance not
to exceed One Hundred Thousand Dollars  ($100,000)  ("Construction  Allowance"),
which shall be used only as a credit towards the cost of  improvements to Suites
4, 5 and 6 of the Premises.

4. LESSEE'S COSTS.  All costs incurred in excess of the foregoing  allowance for
improvements,  services or  materials  required by Lessee in or for the Premises
shall be for the account of Lessee and at Lessee's sole cost and expense.

5. SPACE PLAN.  Lessee  shall  prepare a space  layout and working  drawings and
specifications  for all construction work in the Premises.  Interior design, and
details and specifications for improvements,  shall be for the account of Lessee
and shall be paid by Lessee upon invoice therefor. Lessee shall develop complete
working   drawings  and   specifications   (the  "Plans")  for  construction  of
improvements in the Premises, showing thereon partitions,  doors, electrical and
telephone outlets, light fixture locations,  wall finishes,  floor coverings and
special  requirements  (if any) for  Lessor's  review and  approval.  Failure of
Lessor to approve the Plans within the time limit  specified in Section 7 hereof
shall be deemed approval.

6. COST ESTIMATE AND PAYMENTS.

     6.1 COST ESTIMATES.  As soon as practicable  after Lessor's approval of the
Plans,   Lessee  will  advise  Lessor  of  the  total  estimated  cost  for  the
improvements (including  architectural and engineering,  administrative fees and
preinstalled  work)  together with  supporting  evidence as Lessor shall require
from  Lessee  (e.g.,  the  contractor  bid).  Lessor  will  have  no  obligation
whatsoever to make any disbursement from the Construction Allowance until Lessee
has complied with the provisions of this Section 6.1.

     6.2 PAYMENTS.  During the course of construction  of the  Improvement  Work
(defined  below),  Lessor  shall  make  progress  payments  to  Lessee  from the
Construction  Allowance less a fifty percent (50%) retainage.  Progress payments
shall be made within ten (10) days after receipt by Lessor of the following: (i)
a draw request;  (ii) substantiation of the construction costs to be paid; (iii)
a statement as to the percentage of work completed; and (iv) conditional partial
lien releases on account of the work completed.  Upon completion of construction
of the Improvement Work, Lessor shall pay to Lessee the final installment of the
Construction  Allowance (including the retainage),  provided Lessee has supplied
the following items to Lessor:  (i) The "Certificate of Occupancy";  (ii) A copy
of Lessee's  recorded "Notice of Completion";  (iii) A copy of all TI Contractor
(as hereinafter defined) paid invoices totaling or in excess of the Construction
Allowance; (iv) copy of all construction lien releases or other lien releases on
account of such  construction  work,  including an affidavit  from TI Contractor
that no liens  exist;  (v) A copy of all  building  permits  with all  sign-offs
executed;  (vi) An architect's  certification that the Premises were constructed
per plans and  specifications  and are one hundred  percent  (100%)  complete in
accordance  with this  EXHIBIT  "D";  (vii) Any and all  insurance  certificates
required under the Lease;  (viii) One (1) set of "as built"  drawings;  and (ix)
Copies of all manufacturer's warranties, owner's manuals, etc., for equipment or
materials installed by TI Contractor and a warranty statement,  naming Lessor as
the beneficiary of such warranty,  from the general contractor  guaranteeing all
improvements  for at least one (1) year from the date of substantial  completion
of the Premises.

                                                                              19
<PAGE>
7. TIME LIMITS.  The  following  maximum  time periods  shall be allowed for the
indicated  matters:  (i) Lessor approves (or disapproves  with  explanation) the
working  drawings  - 5 business  days;  Lessor  approves  (or  disapproves  with
explanation) the TI Contractor - 5 business days. In the event that Lessor fails
to provide its  approval in the time frames  required in (i) or (ii) above,  and
does not provide written  notification of its reason for any disapproval  (which
disapproval  must be  reasonable),  such item is hereby deemed to be approved by
Lessor.  Lessee  may  commence  with  that  portion  of  the  work  that  is not
disapproved.

8.  CONSTRUCTION  BY TI  CONTRACTOR.  All  construction  work  in  the  Premises
(sometimes  referred to herein as "Improvement  Work") shall be performed by the
tenant  improvement  contractor  ("TI  Contractor")  retained by Lessee.  The TI
Contractor  shall perform such work in a good and  workmanlike  manner and shall
construct the Improvement  Work  substantially in accordance with the Plans. All
Improvement Work shall be performed in accordance with all laws,  ordinances and
requirements of government agencies having jurisdiction  therefor. The following
conditions shall apply to Lessee's selection and use of the TI Contractor:

     8.1  CONTRACTOR  SELECTION.  Subject to the provisions of this EXHIBIT "D",
Lessee may select any  contractor  for the  construction  of  Improvement  Work,
provided such contractor is bondable and has received the prior written approval
of Lessor. Within five (5) days after the receipt by Lessor of a written request
by Lessee to approve a contractor,  Lessor shall either approve or disapprove of
such  contractor.  In the event  Lessor  fails to  approve  or  disapprove  of a
contractor  within such five (5) day  period,  such  contractor  shall be deemed
approved.

     8.2 INDEMNITY. Lessee hereby indemnifies and holds Lessor harmless from and
against  any and all costs  arising out of or in  connection  with damage to the
Project caused by Lessee's contractors.

     8.3 SPECIAL  CONDITIONS.  Lessee agrees that the provisions set forth below
shall be incorporated as "Special  Conditions"  into the contract between Lessee
and TI  Contractor  for  the  benefit  of  Lessor,  and  agrees  that as to such
provisions,  Lessor  shall  have the  rights  of  enforcement  of a third  party
beneficiary  (with a copy of the  contract to be  furnished  Lessor prior to the
commencement of the Improvement Work):

          8.3.1 Prior to starting any of the  Improvement  Work,  TI  Contractor
shall also  deliver to Lessor  duplicate  originals  of  insurance  policies (or
certificates of insurance if such certificates shall, in Lessor's sole judgment,
provide clear and  unambiguous  evidence of insurance).  The insurance  provided
Lessor by TI  Contractor  pursuant  to this  paragraph  8.3.1  shall be  primary
insurance without the right of contribution from any insurance maintained by the
Lessor and shall name  Lessor and  Lessor's  agent as  additional  insured.  The
insurance  required  shall be written for not less than the  following  (or such
amount required by law, if the same is greater than the following):

               8.3.1.1 WORKER'S COMPENSATION:

                    (a)  State Statutory Requirements
                    (b)  Applicable Federal Statutory Requirements
                    (c)  Employer's Liability $1,000,000

               8.3.1.2    COMPREHENSIVE     GENERAL    LIABILITY:     (including
               Premises-Operations;    Independent    Contractor's   Protective;
               Products and Completed Operations; Broad Form Property Damage:

                    (a)  Combined  Single  Limits for Bodily Injury and Property
                         Damage: $1,000,000 Each Occurrence.
                    (b)  Products and Completed Operations to be maintained:
                    (c)  Property Damage Liability Insurance shall provide X, C,
                         or U coverage.

               8.3.1.3 CONTRACTUAL LIABILITY:

                    (a)  Combined  Single  Limits for Bodily Injury and Property
                         Damage: $1,000,000 Each Occurrence.

               8.3.1.4  PERSONAL  INJURY,  WITH  EMPLOYMENT  EXCLUSION  DELETED:
               1,000,000 Annual Aggregate.

                                                                              20
<PAGE>
               8.3.1.5 COMPREHENSIVE AUTOMOBILE LIABILITY:

                    (a)  Combined  Single  Limits for Bodily Injury and Property
                         Damage: $1,000,000 Each Occurrence.

               8.3.1.6 UMBRELLA EXCESS LIABILITY: $3,000,000

          8.3.2 TI Contractor  shall be responsible for, and shall pay the cost,
the  repair,  replacement  or  clean-up  of  any  damage  done  by it  to  other
contractors' work, which specifically includes access ways to the Premises which
may be concurrently used by others.

          8.3.3  Under no  circumstances  shall TI  Contractor  cause or  permit
anything  to be hung from or  supported  by any duct  work or  piping  above the
Premises.  All suspended  ceilings and other fixtures and improvements  shall be
installed in a proper manner and in accordance with applicable building codes.

          8.3.4 TI Contractor shall contain the storage of its materials and its
operations  within the  Premises  and such  other  space,  if any,  as he may be
assigned  by Lessor.  Should TI  Contractor  be  assigned  space  outside of the
Premises,  he shall move to such other space as Lessor shall direct from time to
time to avoid  interference  or  delays  with  other  work.  In no  event  shall
materials  be stored in corridors  in the Common  Area.  No flammable  materials
shall be stored or kept in the Premises or anywhere else in the Project,  except
that which is to be used during the single day of construction that it is there.

          8.3.5 All trash and  surplus  construction  materials  shall be stored
within  the  Premises  and  shall  be  promptly  removed  from the  Project.  TI
Contractor  shall confirm with Lessor on the placement of any trash bin prior to
placing the same on site.

          8.3.6 At Lessor's  option,  Lessor may provide trash removal  services
for TI Contractor  (who shall  purchase such services by use of Lessor's form of
Lessee work order),  and Lessee shall cause the cost thereof to be reimbursed to
Lessor  within ten (10) days after  demand.  Failure by Lessee to cause any such
payment  to be made  shall be  deemed a  default  under  the Lease the same as a
failure to pay Rent.

          8.3.7 TI Contractor  shall provide  Lessor prior written notice of any
planned  work to be done on weekends  or during  other than normal job hours for
the purpose of obtaining  Lessor's  consent  thereto.  TI Contractor  shall also
refrain during normal  building  hours,  as such hours are determined by Lessor,
from proceeding with construction that impacts,  or may create an annoyance for,
any tenant or any tenant's use of its  premises,  for example,  work that causes
excessive  noise (such as floor  coring) or creates fumes or odors (such as wall
covering preparation, painting, millwork and door or wood finishing).

          8.3.8 Lessee and TI Contractor are responsible for compliance with all
applicable  codes  and  regulations  of  duly  constituted   authorities  having
jurisdiction  insofar as the performance of the work and completed  improvements
are concerned for all work  performed by Lessee or TI  Contractor,  and with all
applicable  safety  regulations  established  by the general  contractor for the
Project. Lessee further agrees to save and hold Lessor harmless for said work as
provided in the Lease.

          8.3.9 Neither TI Contractor nor the subcontractors shall post signs on
any part of the Project or on the Premises.

          8.3.10 TI Contractor  shall agree that the contract between Lessee and
TI Contractor is solely for the benefit of Lessee and TI Contractor,  except for
the provisions referred to above as being for the benefit of Lessor (as to which
provisions  Lessor  shall  have  the  rights  of  enforcement  of a third  party
beneficiary).  TI Contractor shall further agree that it and its  subcontractors
shall look only to Lessee for  payment of any sums due under its  contract  with
Lessee. TI Contractor,  for itself and its  subcontractors,  shall waive any and
all claims or actions  (including  mechanics' or materialmen's lien rights) that
it or its  subcontractors may have against Lessor for amounts owing to it or its
subcontractors under the contract between TI Contractor and Lessee.

     8.4 ELECTRICAL  POWER. Upon written notice from TI Contractor that it needs
temporary  electrical  power,  Lessor  shall make same  available.  Lessee shall
reimburse  Lessor for the cost  thereof,  together  with a charge  for  Lessor's
direct and indirect  administrative costs related thereto,  within ten (10) days
after the demand.  Failure by Lessee to make any such payment  shall be deemed a

                                                                              21
<PAGE>
default under the Lease the same as a failure to pay Rent.  Unless TI Contractor
shall notify Lessor in writing that such temporary  power is no longer needed by
it,  Lessor  may  continue  to make such  temporary  power  available  until the
Premises shall open for business,  and Lessee shall pay Lessor therefor as above
provided.

     8.5 NOTICE OF COMPLETION  AND LIENS.  Lessee shall be  responsible  for and
shall (a) obtain and record a Notice of Completion promptly following completion
of Lessee's  Work and  promptly  forward a copy to Lessor,  (b) post a Notice of
Completion  on the Premises and  promptly  forward a copy to Lessor,  (c) obtain
executed  lien waiver for all work  performed by TI  Contractor  and an executed
affidavit  from TI  Contractor  that no  liens  exist,  and  shall  provide  the
originals  thereof  to  Lessor  promptly  upon  substantial  completion  of  the
Improvement  Work,  (d) obtain a  Certificate  of Occupancy for the Premises and
provide Lessor with a duplicate  original  thereof  promptly  after  substantial
completion of the Improvement  Work, (e) obtain from TI Contractor a copy of the
contract with TI Contractor and a list of all components of  construction in the
Premises,  broken  down into items and the cost of each item,  and  provide  the
original  thereof  to  Lessor  promptly  upon  substantial   completion  of  the
Improvement  Work,  (f) provide  Lessor with one (1) set of "as -built  drawings
within  thick-j (3% days  following  substantial  completion of the  Improvement
Work,  (g) obtain a copy of all  building  permits with  sign-offs  executed and
provide  copies  thereof to Lessor  promptly upon  substantial  completion,  (h)
obtain an architect's certification that the Improvement Work was constructed in
accordance with this EXHIBIT "D", and (i) obtain and deliver to Lessor copies of
any owner's  manuals for any  equipment  or other  improvements.  The failure of
Lessee to  provide  to Lessor  with any one (1) or more of the  foregoing  items
within  thirty (30) days after  request  therefor by Lessor,  shall be a default
under the Lease.

     8.6  WARRANTIES.  Lessee shall assign any and all warranties and guaranties
provided  by  TI  Contractor  and  subcontractors  to  Lessor  immediately  upon
completion  of  Improvement  Work.  All  improvements  shall  be  guaranteed  or
warrantied for a period of at least one (1) year.

     8.7   RESPONSIBILITY   FOR  LESSEE'S   MATERIALS.   All  materials,   work,
installations and decorations of any nature  whatsoever  brought on or installed
in the  Premises  before the  commencement  of the term of the Lease shall be at
Lessee's risk, and neither Lessor nor any party acting on Lessor's  behalf shall
be responsible for any damage thereto or loss or destruction thereof.

9. LESSEE COORDINATOR. Lessor has designated a "Lessee Coordinator" who shall be
responsible  for the management and  coordination of all work to be performed in
the  Premises  and  coordination  with  Lessee on all  matters  governed  by the
provisions contained in this EXHIBIT "D". Lessee Coordinator will furnish Lessee
with notices of  substantial  completion,  Lessor's  approval or  disapproval of
Plans and changes thereto,  and other similar notices.  Lessee shall deliver any
payments  that may be  required  hereunder  to be paid to Lessor  to the  Lessee
Coordinator unless written notice is given by Lessor to the contrary.

10. CHANGES. If Lessee requests or necessitates any change, addition or deletion
to the Premises after approval of the Plans,  as described in Section 7 above, a
request for the change shall be submitted to the Lessee coordinator  accompanied
by revised plans prepared by Lessor's space planner at Lessee's sole expense.

11. INCORPORATION BY REFERENCE. This EXHIBIT "D" is and shall be incorporated by
reference  in the Lease,  and all of the terms and  provisions  of the Lease are
incorporated herein by this reference.

12.  ATTORNEYS'  FEES. In the event of any action or  proceeding  initiated by a
party hereto for the enforcement or interpretation  of the provisions  contained
herein,  the prevailing party shall be entitled to recover its costs incurred in
connection therewith, including its reasonable attorneys' fees.

AGREED:

LESSOR: Fairmont Commerce Center, LLC    LESSEE: Sitek, Incorporated


- -----------------------------------      ---------------------------------------
By: DMC Investment Co, LLC, Manager      By: Gloria Zemla, Chief Financial
    Avrom Green, Manager                     Officer, Vice President and
                                             Treasurer

                                                                              22
<PAGE>
                                   EXHIBIT "E"

                   ADDENDUM RELATING TO THE EXTENSION OF TERMS

This  ADDENDUM  (the  "Addendum")  is entered into this December 9, 1999 between
Fairmont Commerce Center, L.L.C. ("Lessor") and Sitek,  Incorporated ("Lessee"),
and modifies and supplements that certain  Commercial Lease (as it may have been
amended, the "Lease") between Lessor and Lessee dated January 20, 2000.

1.  Lessee  shall  have one  option to extend the term of the Lease by 36 months
(the "Extension  Term"),  commencing on the day following the expiration date of
the original  term of the Lease or the first option,  by giving  Lessor  written
notice, at least four (4) months prior to the expiration of the original term of
the Lease or the  first  option,  of  Lessee's  election  to  extend;  provided,
however,  that  the  option  granted  herein  shall  automatically  and  forever
terminate if not exercised by written  notice in a timely manner or if Lessee is
in breach of the Lease at the time the  notice of  extension  is given or at the
time of the expiration date of the original term of the Lease.

2. The amount of the monthly  installments of rent due during the Extension Term
shall  be the  greater  of:  (a)  the  monthly  rental  installments  in  effect
immediately  prior to the expiration  date of the original term of the Lease, or
(b) the then current market rental rate (under prevailing market conditions) for
similar space in the Building as reasonably  determined by Lessor. Lessor shall,
upon Lessee's  request  within the one- month period  preceding the deadline for
the giving of Lessee's  notice (or otherwise at such time as Lessee  delivers to
Lessor  Lessee's  written notice of election),  make a reasonable  determination
with respect to the market  rental rate that would be  applicable  to the Leased
Premises during the Extension Term.

3. Upon the  termination  of the Lease,  abandonment  of the Leased  Premises or
termination of Lessee's right to possession of the Leased Premises, Lessee shall
not thereafter be entitled to exercise its option to extend under this Addendum.

4. Except as  specifically  modified by this Addendum,  all of the provisions of
the  Lease  (and any  other  addendum  or  amendment  thereto  not  inconsistent
herewith) shall remain in full force and effect.

IN WITNESS WHEREOF,  the parties have executed this Lease as of the day and year
first above written.


LESSOR: Fairmont Commerce Center, LLC    LESSEE: Sitek, Incorporated


- -----------------------------------      ---------------------------------------
By: DMC Investment Co, LLC, Manager      By: Gloria Zemla, Chief Financial
    Avrom Green, Manager                     Officer, Vice President and
                                             Treasurer

                                                                              23

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<FISCAL-YEAR-END>                          MAR-31-2000
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               DEC-31-1999
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