HELIX TECHNOLOGY CORP
10-K, 2000-03-17
SPECIAL INDUSTRY MACHINERY, NEC
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    Form 10-K

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

       For the Year Ended December 31, 1999 Commission File Number 0-6866

                                       OR

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

                        For the transition period from to

                          HELIX TECHNOLOGY CORPORATION
             (Exact name of registrant as specified in its charter)


               Delaware                             04-2423640
       (State of incorporation)         (IRS Employer Identification No.)


               Mansfield Corporate Center, Nine Hampshire Street,
                      Mansfield, Massachusetts 02048-9171
              (Address of principal executive offices and zip code)

       Registrant's telephone number, including area code: (508) 337-5111

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

Securities registered pursuant to Section 12(g) of the Act:   Common Stock,
                                                              $1 Par Value
                                                              ----------------
                                                              (Title of Class)

Indicate by checkmark  whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days. YES X NO

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

The  aggregate   market  value  of  the   registrant's   common  stock  held  by
nonaffiliates of the registrant as of March 14, 2000,  (computed by reference to
the quoted selling  prices of such stock in the  over-the-counter  market),  was
$1,604,742,626.

The number of shares outstanding of the registrant's Common Stock, $1 Par Value,
as of March 14, 2000, was 22,598,704.

                       DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Annual Proxy Statement for the registrant's  2000 Annual Meeting
of  Stockholders  to be filed  with the SEC in March  2000 are  incorporated  by
reference into Part III, Items 10-12.


<PAGE>
HELIX TECHNOLOGY CORPORATION                                  10-K Annual Report
Commission File No. 0-6866                                    For the Year Ended
                                                               December 31, 1999


                                     PART I

Item 1.    Business

         General HELIX  TECHNOLOGY  CORPORATION  (the  "Company" or "Helix"),  a
Delaware corporation organized in 1967, provides critical enabling vacuum system
technology to a broad range of electronic component  manufacturers,  principally
for the production of semiconductors, data storage and flat panel displays.

The Company's  On-Board  technology is a  comprehensive  package of hardware and
software that can integrate both Helix and non-Helix vacuum products.  (On-Board
is a  registered  trademark  of Helix  Technology  Corporation.)  These  systems
provide original equipment  manufacturers the flexibility to rapidly implement a
full  range  of  process-driven  solutions  and  end-user  performance-enhancing
process  controls,  advanced  diagnostics  and  communications  capabilities  to
increase system uptime and to lower the cost of ownership.

The Company's  On-Board  Cryopump product  continues to be the industry standard
high-vacuum  pump for both the PVD (Physical Vapor  Deposition or  "sputtering")
and ion implantation  markets. Its On-Board Waterpumps,  On-Board Turbopumps and
On-Board  TurboPlus give the Company products to support the CVD (Chemical Vapor
Deposition) and etch processes.

The  Company's   STABIL-ION  and  CONVECTRON  vacuum  measurement   systems  are
considered industry standards and are used in the PVD, ion implantation, CVD and
etch processes.  (STABIL-ION  and CONVECTRON are registered  trademarks of Helix
Technology   Corporation.)  The  Company's  vacuum  gauging  products  are  also
integrated into analytical instruments, primarily mass spectrometers.

The Company maintains Customer Support Centers  strategically located throughout
the world to provide replacement parts,  overhaul,  repair and upgrade services.
The Company's  unique GUTS  (Guaranteed  Up-Time Support) rapid response system,
which has been the  industry  benchmark  since 1985,  is designed to assure that
users of the Company's  products have direct,  twenty-four-hour-a-day  access to
the resources of the Customer Support Centers.  (GUTS is a registered  trademark
of Helix Technology Corporation.)

In 1999,  the Company  introduced  GOLDLink  Support,  its remote Global On-Line
Diagnostic  service,  and  deployed  it  at  several  semiconductor  fabrication
facilities  in the United  States and  Europe.  Beginning  in 2000,  the Company
expects to  significantly  expand  this  internet-based  service to  fabrication
facilities throughout the world. (GOLDLink is a registered service mark of Helix
Technology Corporation.)

When fully implemented,  the  Company  expects that GOLDLink Support will enable
it  to  remotely  monitor  and  control  Helix  and  third-party  vacuum  system
components,  at semiconductor  fabrication facilities anywhere in the world, and
develop  information that can be used to proactively  maximize customers' vacuum
system uptime.

                                      - 2 -

<PAGE>
                                     PART I

Item 1.    Business  (continued)

The Company encounters  competition in both domestic and foreign markets for its
products.  Competition comes from smaller firms and from larger firms which have
greater total resources than the Company.  Customer  service,  product  quality,
performance and price are all factors in selling the Company's products.

The Company's  business is, generally,  not dependent on the availability of raw
materials or components from any single source. Certain components, however, may
be available from only one or two qualified sources.  The Company's policy is to
develop alternative  sources for components and, where possible,  to avoid using
scarce raw materials in its products.

The Company's  business has been  cyclical  because of its  dependence  upon the
semiconductor industry that has historically been highly cyclical.

The Company holds many U.S. and foreign patents in the fields of vacuum pumping,
gauging and cryogenics that it believes are significant to its operations. These
patents  expire at various  years  through  2019.  No patents  which the Company
considers  significant  expire  during the next five  years.  The  Company has a
number  of  trademarks  that  it  considers  important  to its  business.  These
trademarks  are  protected  by  registration  in the  United  States  and  other
countries in which the Company's products are marketed.

The Company and Ulvac Corporation of Chigasaki,  Japan, operate a joint venture,
Ulvac  Cryogenics,  Inc.  ("UCI") formed in 1981,  which  manufactures and sells
cryogenic vacuum pumps, principally to Ulvac Corporation.  Each company owns 50%
of UCI and made initial cash  investments  of  approximately  $100,000,  with no
subsequent cash investments.  The joint venture  arrangement  includes a license
and  technology  agreement  from the Company and a management  and  consultation
agreement from Ulvac Corporation.  The Company and Ulvac Corporation essentially
share control of the joint venture.

On May 7, 1998, the Company acquired  Granville-Phillips Company ("GPC"). GPC is
a world leader in the development and manufacture of instrumentation  for vacuum
measurement  and  control  used  principally  in the  semiconductor,  flat panel
display and data storage manufacturing processes.

         Backlog - The backlog of orders  believed to be firm was  approximately
$13.8  million at December  31,  1999,  compared to $4.8 million at December 31,
1998.  The Company  expects to recognize  revenues from  essentially  all of the
December 31, 1999, backlog during 2000.

         Research and Development - The Company  expended  $9,916,000 in 1999 on
research and development efforts compared to $10,106,000 and $11,540,000 in 1998
and  1997,  respectively.  These  expenditures  reflect  development  activities
relating to product enhancements and new products for commercial applications.



                                      - 3 -

<PAGE>

                                     PART I

Item 1.    Business  (continued)

         Employment - Total employment in the Company at the end of 1999 was 649
compared  with  457  and 606 at the end of 1998  and  1997,  respectively.  This
includes 90 temporary  employees at the end of 1999  compared to eight and 65 in
1998 and 1997, respectively.

         Environmental  Affairs -  Compliance  with  federal,  state  and  local
provisions relating to environmental quality has not had, and is not expected to
have, a material impact upon capital  expenditures,  earnings or the competitive
position of the Company.

           Financial   Information  about  One  Reportable   Segment  and  Major
Customers - The Company's  one  reportable   segment  is  cryogenic  and  vacuum
equipment.  The Company's  largest  customer is Applied  Materials,  the world's
largest manufacturer of semiconductor  capital equipment,  representing 29%, 20%
and  30% of net  sales  for  1999,  1998  and  1997,  respectively.  Information
concerning the Company's segment information and different geographical areas is
included  in Note F of  Notes  to  Consolidated  Financial  Statements  included
elsewhere in this report.

Item 2.    Properties

The Company occupies  approximately 297,400 square feet worldwide,  as described
in the table below.

                    Size       Lease
   Location      (Sq. Ft.)    Expires                  Functions
   --------      ---------    -------                  ---------

Massachusetts     155,000       2006       Corporate headquarters, engineering,
                   63,000       2004       manufacturing, sales and
                                           marketing and administration

Colorado           22,000       2000       Engineering, manufacturing, and
                    9,000       2001       sales and marketing

California         11,000       2000       Sales office, customer support and
                                           repair depot

Texas              12,000       2000       Sales office and customer support

Arizona             1,300       2000       Sales office and customer support

Scotland            5,300       2020       Sales office and customer support

Germany             2,500       2000       Sales office and customer support

France              6,400       2000       Sales office, customer support and
                                           repair depot

Japan               9,900       2000       Sales office, customer support and
                                           repair depot

                                      - 4 -


<PAGE>

                                     PART I

Item 2.    Properties (continued)

During 2000, the Company will  consolidate  its Colorado  operations  into a new
60,000 square foot leased facility.  In anticipation of this consolidation,  the
Company sold its Colorado facility in December 1999,  recognizing a $1.4 million
gain,  and entered into a lease with the new owner to facilitate  the transition
into the new facility.

The Company  has also  signed a lease for a 7,500  square foot sales and service
facility in Taiwan that will be occupied during 2000.

With  these  additions  during  2000,  the  Company  believes  it  has  adequate
facilities  to meet its  currently  anticipated  requirements  and that suitable
additional or substitute facilities will be available as required.  The lease on
the Mansfield,  Massachusetts,  facility  provides for renewal options for up to
fifteen additional years.

Item 3.    Legal Proceedings

In the normal  course of  business,  the  Company  is  subject to various  legal
proceedings and claims.  The Company believes that the ultimate outcome of these
matters will not have a material effect on its financial statements.

The Company is a  defendant  in an action  brought in 1998 in the  Massachusetts
Superior Court by Raytheon  Company which alleges that between 1992 and 1994 the
Company sold Raytheon  defective  components  used in missile  guidance  systems
manufactured  by  Raytheon.  The Company has not been in the business of selling
these components since 1994.

The  Company  has denied  all claims  asserted  against it by  Raytheon  and has
succeeded in having certain claims dismissed. The action is in the discovery and
motion phase.  The Company  believes that it has meritorious  defenses and that,
although the ultimate outcome of the matters cannot be predicted with certainty,
the  disposition  of the  matters  should  not  have a  material  effect  on the
financial position of the Company.

Item 4.    Submission of Matters to a Vote of Security Holders

During the quarter ended  December 31, 1999, no matters were submitted to a vote
of security holders through the solicitation of proxies or otherwise.







                                      - 5 -


<PAGE>


                                     PART II

Item 5.    Market for the Registrant's Common Stock and Related  Security Holder
Matters

The Company's  common stock is traded on the Nasdaq Stock Market  (Nasdaq symbol
HELX).  At December  31,  1999,  there were  22,375,631  shares of common  stock
outstanding and approximately 740 common stockholders of record.

Price Range of Common Stock and Cash Dividend Per Common Share

The price range and cash dividend per common share of the Company's common stock
by quarter are:

                               First     Second     Third     Fourth
             1999             Quarter    Quarter   Quarter    Quarter
- --------------------------------------------------------------------------------
Stock price
   High                        $24.00    $24.00     $35.06    $49.50
   Low                         $12.88    $15.13     $21.00    $32.44
Cash dividends per share       $ 0.12    $ 0.12     $ 0.12    $ 0.12

                               First     Second     Third     Fourth
             1998             Quarter    Quarter   Quarter    Quarter
- --------------------------------------------------------------------------------
Stock price
   High                        $25.13    $20.63     $15.50    $14.00
   Low                         $17.75    $14.75     $ 9.25    $ 6.81
Cash dividends per share (1)   $ 0.21    $ 0.21     $ 0.21    $ 0.12

(1) In the first quarter of 1998,  cash  dividends per share are based on shares
    outstanding  at that time and therefore do not reflect the 2,383,000  shares
    issued as part of the acquisition of Granville Phillips Company.

The Board of Directors  declared a quarterly  cash  dividend of $0.12 per common
share payable on March 15, 2000, to common  stockholders  of record at the close
of business on March 7, 2000.

Item 6.    Selected Consolidated Financial Data

The following table  summarizes  certain selected  consolidated  financial data,
which should be read in conjunction with  "Management's  Discussion and Analysis
of Financial Condition and Results of Operations" and the Company's consolidated
financial  statements and related notes included elsewhere herein. In connection
with the acquisition of  Granville-Phillips  Company in 1998, accounted for as a
pooling of  interests,  all  prior-period  financial  data has been  restated to
include the impact of the combination.


                                      - 6 -

<PAGE>


                                     PART II

Item 6.    Selected Consolidated Financial Data (continued)

<TABLE>
<CAPTION>

                                                                      December 31
                                          -----------------------------------------------------------------
(in thousands except per share data)        1999         1998           1997           1996          1995
- -----------------------------------------------------------------------------------------------------------
<S>                                       <C>           <C>           <C>            <C>           <C>
Net sales                                 $139,389      $95,345       $157,076       $151,665      $145,370

Net income (loss) (1)                     $ 15,864      $(1,920)      $ 25,544       $ 25,126      $ 24,694

Basic net income (loss)
    per share (2)                         $   0.71      $ (0.09)      $   1.15       $   1.15      $   1.14

Diluted net income (loss)
    per share (2)                         $   0.70      $ (0.09)      $   1.14       $   1.14      $   1.12

Cash dividends per share (1) (2) (3)      $   0.48      $  0.75       $  0.735       $   0.65      $   0.29

Total assets                              $ 93,655      $75,652       $ 96,219       $ 83,005      $ 79,509

Basic shares (2)                            22,336       22,262         22,151         21,788        21,592
Diluted shares (2)                          22,623       22,262         22,353         22,096        22,124

(1)  Net income for the year ended December 31, 1999,  reflects the gain on sale
     of the Company's  Colorado  facility of  $1,397,000.  Net loss for the year
     ended  December  31, 1998,  reflects  merger and other  special  charges of
     $3,546,000  related to the  acquisition of  Granville-Phillips  Company and
     restructuring and other special charges of $2,500,000 related to work force
     reductions,  exit costs for a leased  facility  and  impairment  of certain
     assets. (See Notes H and I of Notes to Consolidated Financial Statements.)
(2)  All share and per  share data  reflect a  two-for-one  common  stock  split
     effective November 1997.
(3)  Cash  dividends per share  declared in periods prior to the  acquisition of
     Granville-Phillips Company are based on shares outstanding at that time and
     therefore  do not  reflect  the  2,383,000  shares  issued  as  part of the
     acquisition.
</TABLE>

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations

The   discussion   in  this  item  and   elsewhere   in  this  report   contains
forward-looking  statements  involving risks and uncertainties  that could cause
actual results to differ materially from those expressed in the  forward-looking
statements. These risks and uncertainties include those described under "Certain
Factors That May Affect Future Results" below.

On May 7, 1998, the Company acquired  Granville-Phillips Company ("GPC"). GPC is
a world leader in the development and manufacture of instrumentation  for vacuum
measurement  and  control  used  principally  in the  semiconductor,  flat panel
display and data storage manufacturing  processes. The transaction was accounted
for as a pooling of interests;  and  accordingly,  the financial  results of the
Company for all periods  presented  include the financial  position,  results of
operations, stockholders' equity and cash flows of GPC.


                                      - 7 -

<PAGE>

                                     PART II

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations (continued)

Results of Operations - 1999 Compared with 1998

Throughout 1999, the global semiconductor capital equipment industry experienced
a rapid recovery from the significant  worldwide downturn that occurred in 1998.
Because of this positive  industry trend, net sales for 1999 were $139.4 million
compared to $95.3 million in 1998, an increase of $44.1 million or 46.2%.

Total gross profit as a percentage of net sales was 44.4% for 1999,  compared to
39.8%  for the  prior  year.  The  improvement  in gross  margin  was  primarily
attributable  to  increased  production  volume  and  the  related  decrease  in
manufacturing unit costs.

Selling,  general and administrative expenses increased in 1999 to $32.0 million
from $26.6  million in the prior year.  The  increase  in spending is  primarily
attributable to expenditures to support  increased sales  activities  worldwide,
including  expansion of the Company's sales and service  location in Japan,  and
the final year of expense related to a stock-based variable compensation plan.

Research  and  development  expenses  for 1999 were $9.9  million or 7.1% of net
sales,  compared to $10.1 million or 10.6% of net sales for 1998. As the Company
entered  1999,  its  research  and  development  spending  focused on  long-term
strategic  initiatives.  As industry  conditions  improved  during the year, the
Company  increased  its spending to also include  projects  that meet  near-term
customer requirements.  The Company expects to spend approximately $13.0 million
to $14.0 million on research and development in 2000.

In  1998,  the  Company  eliminated  non-strategic  spending  while  redirecting
resources to the Company's global customer support structure and other strategic
initiatives  and took a charge of $2.5  million.  These  changes made  available
approximately  $5.0  million,   which  was  redirected  to  the  above-mentioned
operations  in 1999.  At October 1, 1999,  the  restructuring  accrual was fully
utilized.

Royalty and equity income from the Company's joint venture in Japan increased by
$0.5 million in 1999 due to the turnaround in the Japanese semiconductor capital
equipment market.

Interest and other income for 1999 was $0.9 million  compared  with $1.2 million
for 1998,  reflecting lower cash, cash equivalent and investment balances during
the year.

During 2000, the Company will  consolidate  its Colorado  operations  into a new
60,000 square foot leased facility.  In anticipation of this consolidation,  the
Company sold its Colorado facility in December 1999,  recognizing a $1.4 million
gain,  and entered into a lease with the new owner to facilitate  the transition
into the new facility.

The Company  recorded an income tax  provision of $7.8 million for 1999 compared
to an income  tax  benefit  of $0.7  million  for the  previous  year.  The 1999
provision  of 33% is less than the  federal  statutory  rate of 35%  because the
Company benefited from research and development and other tax credits.  In 1998,
the Company had an operating loss before taxes due to merger,  restructuring and
special  charges;  and the Company  benefited from research and  development and
other tax credits.

                                      - 8 -

<PAGE>



                                     PART II

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations (continued)

Results of Operations - 1998 Compared with 1997

Net sales for 1998 were $95.3  million  compared  to $157.1  million in 1997,  a
decrease of $61.8 million.  This decline was attributable to the excess capacity
in the worldwide semiconductor industry, combined with the economic slump in the
Pacific Rim.

Total gross profit as a percentage of net sales was 39.8% for 1998,  compared to
48.2% for the prior  year.  The  reduction  in gross  margin  was  caused by the
substantial  decline in  production  volume and the  related  increase in excess
capacity and manufacturing unit costs.

Research and  development  expenses for 1998 were $10.1  million or 10.6% of net
sales,  compared  to $11.5  million or 7.3% of net sales for 1997.  As  industry
conditions worsened during the year, the Company delayed certain expenditures on
projects it believed were not critical during the downturn.  Despite the decline
in the semiconductor  capital equipment  business  environment and the continued
weakness of the Asian  markets,  the  Company  continued  to fund its  long-term
strategic  development  programs  in 1998 in order to  position  the Company for
growth as economics improved in the worldwide semiconductor industry.

Selling,  general and administrative expenses decreased in 1998 to $26.6 million
from $30.9 million in the prior year.  This  reduction in spending was primarily
attributable  to a decrease in  variable  compensation,  lower sales  commission
expense and a reduction in advertising and promotional  expenditures,  which was
partially offset by expenses  associated with the opening of the Company's sales
office in Japan.

During  1998,  the  Company  incurred  certain  special  charges.  In the second
quarter, the Company acquired GPC in a transaction accounted for as a pooling of
interests.   Direct   acquisition   costs,   including   professional  fees  and
compensation  expense for  various  incentive  plans for certain GPC  employees,
amounted to $3.5 million and were charged against results of operations.  During
the third quarter, the Company restructured its domestic operations to eliminate
non-strategic  spending,  while  redirecting  resources to the Company's  global
customer support structure and other strategic  initiatives and took a charge of
$2.5 million. The restructuring  included provisions for termination benefits of
$1.3 million paid to  approximately  80 personnel,  $1.0 million relating to the
closing of a leased  facility  and $0.2  million for the  impairment  of certain
assets.  Approximately $0.7 million of the charge was non-cash,  relating to the
write-off  of certain  leasehold  improvements  in the closed  facility  and the
impairment  of the assets.  The Company  expected  these  changes  would provide
approximately $5.0 million of annual cost savings in 1999. At December 31, 1998,
$0.9 million of  restructuring  and special  charges  remained in other  accrued
expenses.

As a result of the decline in net sales and the special charges  recorded during
1998,  the Company  experienced an operating loss of $4.8 million or 5.0% of net
sales,  compared to an operating  profit of $33.3  million or 21.2% of net sales
for the prior year.


                                      - 9 -
<PAGE>

                                     PART II

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations (continued)

Results of Operations - 1998 Compared with 1997 (continued)

Royalty and equity income from the Company's joint venture in Japan decreased by
$0.8 million in 1998 due to the downturn in the Japanese  semiconductor  capital
equipment market.

Interest and other income for 1998 was $1.2 million  compared  with $1.8 million
for 1997,  reflecting lower cash, cash equivalent and investment balances during
the year.

The Company  recorded an income tax benefit of $0.7 million for 1998 compared to
a tax provision of $11.3 million for the previous year. In 1998, the Company had
an operating loss before taxes due to merger, restructuring and special charges.
The Company  benefited from research and development and other tax credits.  The
1997  provision of 30.6% is less than the federal  statutory rate of 35% because
Granville-Phillips  Company was an  S-Corporation  prior to the acquisition and,
therefore, not subject to federal income tax.

Liquidity and Capital Resources

Net cash provided by operating activities was $12.4 million in 1999. The Company
invested $4.6 million,  primarily in machinery and  equipment,  during 1999. The
increase of approximately $2.0 million from 1998 was principally due to spending
on  information  systems for its Japanese  operation  and Year 2000  remediation
efforts.

The Company's normal annual capital needs are approximately $4.0 million to $5.0
million.  However,  in 2000 the  Company  has four major  initiatives  that will
result in capital spending of  approximately  $10.0 million.  These  initiatives
are:  consolidation  of its Colorado  operations  into a new 60,000  square foot
leased  facility,  the first phase of a new corporate  information  system,  its
GOLDLink global support operations center and the opening of a sales and service
location in Taiwan.

Cash dividends paid to stockholders  during 1999 were $10.7 million  compared to
$16.1  million for 1998.  In October  1998,  the  Company's  Board of  Directors
reduced the  quarterly  dividend from $0.21 per common share to $0.12 per common
share.

The Company  manages its foreign  exchange  rate risk arising from  intercompany
foreign currency  denominated  transactions  through the use of foreign currency
forward contracts. The gains and losses on these transactions are not material.

The Company believes that existing cash, cash equivalents,  investment  balances
and  anticipated  cash flow from  operations will be adequate to fund operations
for the foreseeable future.






                                     - 10 -

<PAGE>

                                     PART II

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations (continued)

Legal Proceedings

In the normal  course of  business,  the  Company  is  subject to various  legal
proceedings  and  claims.  The Company is a  defendant  in an action  brought by
Raytheon  Company  claiming  damages  from  the  sale  of  allegedly   defective
components by the Company to Raytheon,  which the Company no longer  sells.  The
Company  believes  that it has  meritorious  defenses  to the  claims  and that,
although  the outcome of the action  cannot be  predicted  with  certainty,  the
disposition  of the claim  should  not have a material  effect on the  financial
position of the Company.

New Accounting Pronouncements

In June 1998,  the  Financial  Accounting  Standards  Board issued  Statement of
Financial  Accounting  Standards No. 133 (SFAS 133),  "Accounting for Derivative
Instruments and Hedging Activities " This statement  establishes  accounting and
reporting  standards  for  derivative  instruments,  including  some  derivative
instruments   embedded  in  other   contracts   (collectively   referred  to  as
derivatives),  and for hedging  activities.  The Company  will adopt SFAS 133 in
2001, in accordance  with SFAS 137,  which  deferred the effective  date of SFAS
133.  The  adoption of this  standard in 2001 is not expected to have a material
impact on the Company's consolidated financial statements.

In December 1999, the Securities and Exchange Commission issued Staff Accounting
Bulletin No. 101 (SAB 101), "Revenue  Recognition in Financial  Statements." SAB
101  summarizes  the staff's  view in  applying  generally  accepted  accounting
principles  to selected  revenue  recognition  issues.  The  application  of the
guidance in SAB 101 will be required in the Company's first quarter of 2000. The
Company has evaluated the  application  of SAB 101 and  determined  that it will
have no impact.

Certain Factors That May Affect Future Results

From time to time,  information provided by the Company,  statements made by its
employees  or  information  included  in its  filings  with the  Securities  and
Exchange Commission may contain statements that are "forward-looking statements"
involving risks and  uncertainties.  In particular,  statements in "Management's
Discussion  and  Analysis of  Financial  Condition  and  Results of  Operations"
relating to the Company's shipment levels, profitability,  business and industry
outlook  and  sufficiency  of  capital  to  meet  working  capital  and  capital
expenditure requirements may be forward-looking  statements. The words "expect,"
"anticipate,"  "plan," "believe," "seek," "estimate" and similar expressions are
intended to identify such  forward-looking  statements.  Such statements are not
guarantees of future  performance and involve certain risks,  uncertainties  and
assumptions that could cause the Company's  future results to differ  materially
from those expressed in any  forward-looking  statements made by or on behalf of
the Company.  Many such factors are beyond the  Company's  ability to control or
predict.  Readers  are  accordingly  cautioned  not to place  undue  reliance on
forward-looking  statements.  The Company  disclaims any intent or obligation to
update publicly any forward-looking statements, whether in



                                     - 11 -
<PAGE>

                                     PART II

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations (continued)

Certain Factors That May Affect Future Results (continued)

response to new  information  or future events or otherwise.  Important  factors
that may cause the  Company's  actual  results  to differ  materially  from such
forward-looking  statements  include,  but  are  not  limited  to,  the  factors
discussed below.

The Company's  business  depends in large part upon the capital  expenditures of
semiconductor  manufacturers,   which,  in  turn,  depend  on  the  current  and
anticipated  market  demand  for  integrated  circuits  and  products  utilizing
integrated  circuits.  The  semiconductor  industry is highly  cyclical  and has
historically  experienced periodic downturns,  which generally have had a severe
effect on the  semiconductor  industry's  demand for capital  equipment and have
adversely  affected  the  Company's  results  of  operations.  There  can  be no
assurance that developments in the  semiconductor  industry or the semiconductor
equipment  industry  will  occur at the rate or in the  manner  expected  by the
Company.

In addition to the cyclical nature, risks and uncertainties of the semiconductor
industry,  the Company faces the following risks and uncertainties among others:
the need to continuously develop,  manufacture and gain customers' acceptance of
new  products  and  product  enhancements;  dependence  on a  limited  number of
customers and  concentration  of sales to one or a few customers;  the Company's
ability to attract and retain certain key personnel;  the ability of the Company
to protect  its  technology  assets by  obtaining  and  enforcing  patents;  and
dependence  on sole and limited  source  suppliers  for certain  components  and
subassemblies included in the Company's products and systems. As a result of the
foregoing and other factors, the Company may experience material fluctuations in
its  future  operating  results  on a  quarterly  or annual  basis  which  could
materially affect its business,  financial  position,  results of operations and
stock price.

Year 2000

The Year 2000 problem  refers to the  potential  for  information  systems to be
unable to correctly  recognize  and process  calendar  dates and  date-sensitive
information  involving  dates on or after January 1, 2000. In 1997,  the Company
began to address its Year 2000 risk within four categories: 1) internal business
software,  2) internal  systems  (hardware and  software,  exclusive of business
software),  3) external  suppliers of goods and  services,  and 4) the Company's
products.  The Company has not  experienced  any material  Year 2000 problems to
date in any of these categories but will continue  monitoring its Year 2000 risk
on an ongoing basis.

The Company's  total cost  associated  with addressing the Year 2000 problem was
approximately  $1.0  million.  Of the total  cost,  approximately  $0.8  million
relates to new systems and has been capitalized.





                                     - 12 -
<PAGE>

                                     PART II

Item 7a.   Quantitative and Qualitative Disclosures about Market Risk

Foreign Currency and Exchange Rate Risk

A portion of the  Company's  business is  conducted  outside  the United  States
through  its  foreign  subsidiaries.  The foreign  subsidiaries  maintain  their
accounting  records in their local  currencies.  Consequently,  period-to-period
comparability  of results of operations is affected by  fluctuations in exchange
rates. To reduce the risks associated with foreign  currency rate  fluctuations,
the Company has entered into forward exchange contracts on a continuing basis to
hedge the currency  exposures.  Gains and losses on forward  exchange  contracts
qualifying for hedge  accounting  were  immaterial for years  presented and were
classified  in cost of sales.  The  Company  plans to  continue  to use  forward
exchange  contracts to mitigate the impact of exchange  rate  fluctuations.  The
notional  amount of the  Company's  outstanding  foreign  currency  contracts at
December  31,  1999,  was  $4,027,000.  The  potential  fair  value  loss  for a
hypothetical 10% adverse change in forward  currency  exchange rates at December
31, 1999,  would be $451,600.  The potential loss was estimated  calculating the
fair value of the forward exchange contracts at December 31, 1999, and comparing
that with the value calculated using the hypothetical  forward currency exchange
rates.









                                     - 13 -



<PAGE>


                                     PART II

Item 8.    Financial Statements and Supplementary Data

                 INDEX TO CONSOLIDATED FINANCIAL STATEMENTS AND
                       SCHEDULES COVERED BY THE REPORT OF
                             INDEPENDENT ACCOUNTANTS

                                                                       Page(s)

Report of Independent Accountants..........................................23

Consolidated Financial Statements of Helix Technology Corporation

       Consolidated Balance Sheets as of December 31, 1999 and 1998........24

       Consolidated Statements of Operations for the Years Ended
           December 31, 1999, 1998 and 1997................................25

       Consolidated Statements of Stockholders' Equity
           for the Years Ended December 31, 1999, 1998 and 1997............26

       Consolidated Statements of Cash Flows for the Years
           Ended December 31, 1999, 1998 and 1997..........................27

Notes to Consolidated Financial Statements..............................28-42

Report of Independent Accountants..........................................43

Quarterly Results (Unaudited)..............................................44

Financial Statement Schedule for the Years Ended December 31, 1999,
1998 and 1997

        II.     Valuation and Qualifying Accounts..........................45

Schedules  other than those listed above have been omitted since they are either
inapplicable or not required.

Item  9.  Changes  in and  Disagreements  with  Accountants  on  Accounting  and
Financial  Disclosure

The  Company  did  not  change  accountants  or  file a  Form  8-K  reporting  a
disagreement  on  an  accounting  principle,  practice  or  financial  statement
disclosure during the two-year period ended December 31, 1999.



                                     - 14 -


<PAGE>


                                    PART III

Item 10.  Directors and Executive Officers of The Registrant

Officers are elected  annually by the Board and serve at the  discretion  of the
Board. Set forth below is information  regarding the current Executive  Officers
of the Company who are not Directors of the Company.

Mr. Robert E. Anastasi is 53 and has served the Company as Senior Vice President
since July 1997 and prior to that as Vice President since June 1991.

Mr. Michael  El-Hillow is 48 and has served the Company as Senior Vice President
and Chief Financial  Officer since July 1997 and prior to that as Vice President
and Chief  Financial  Officer since April 1997. He was Vice  President and Chief
Financial Officer of A.T. Cross Company from January 1991 until April 1997.

Mr.  Christopher Moody is 44 and has served the Company as Senior Vice President
since  August  1997.  He  was  Vice  President  of  Japan  Sales  at  KLA-Tencor
Corporation  from April 1996 until  August  1997 and  Director  of Sales for KLA
Instruments  Wafer  Inspection  Division  from January 1995 until April 1996. He
served as National Sales Manager at Eaton Corporation,  Semiconductor  Equipment
Division, from 1993 until January 1995.

Additional information required by this item is incorporated herein by reference
to the registrant's  proxy statement for its 2000 Annual Meeting of Stockholders
which will be filed with the SEC in March 2000, pursuant to Regulation 14A.

Item 11.  Executive Compensation

Information  required by this item is  incorporated  herein by  reference to the
registrant's  proxy statement for its 2000 Annual Meeting of  Stockholders  that
will be filed with the SEC in March 2000, pursuant to Regulation 14A.

Item 12.  Security Ownership of Certain Beneficial Owners and Management

Information  required by this item is  incorporated  herein by  reference to the
registrant's  proxy statement for its 2000 Annual Meeting of  Stockholders  that
will be filed with the SEC in March 2000, pursuant to Regulation 14A.

Item 13.  Certain Relationships and Related Transactions

There were no related-party transactions.


                                     - 15 -


<PAGE>



                                     PART IV

Item 14.  Exhibits, Financial Statement Schedules and Reports on Form 8-K

                                                           Page Number(s) or
                                                           Incorporation by
Description                                                Reference to

(a)    Financial Statements, Schedules & Exhibits:

       (1), (2)   The Consolidated Financial Statements
                  and required schedules are indexed
                  under Item 8.                            14


       (3) Exhibits required by Item 601 of SEC
           Regulation  S-K.  (Exhibit numbers refer
           to exhibit number on Table I.)

           2.1   Agreement and Plan of Merger dated as     Exhibit 2.1 to the
                 of April 16, 1998, among Helix            Company's Form 8-K
                 Technology Corporation, Helix             filed May 15, 1998.
                 Acquisition Corporation, Granville-
                 Phillips Company and certain
                 principal stockholders of Granville-
                 Phillips Company.

           2.2   Escrow Agreement dated May 7, 1998.       Exhibit 2.3 to the
                                                           Company's Form 8-K
                                                           filed May 15, 1998.

           3.    Restated Certificate of Incorporation,    Exhibit 3 to the
                 as amended on May 7, 1987, and            Company's Form 10-Q
                 May 18, 1988.                             for the Quarter Ended
                                                           September 30, 1988.

                 By-laws, as amended on December 10,       Exhibit (3)-3 to the
                 1986, and December 9, 1987.               Company's Form 10-K
                                                           for the Year Ended
                                                           December 31, 1987.

           4A.   Description of Common Stock               Exhibit 3 to the
                                                           Company's Form
                                                           10-Q for the
                                                           Quarter Ended
                                                           September 30, 1988.







                                     - 16 -

<PAGE>



                                     PART IV

Item  14.  Exhibits,  Financial  Statement  Schedules  and  Reports  on Form 8-K
(continued)

                                                          Page Number(s) or
                                                          Incorporation by
Description                                               Reference to

              4B.   Description of Preferred Stock        Exhibit 3 to the
                                                          Company's Form
                                                          10-Q for the
                                                          Quarter Ended
                                                          September 30, 1988.

              10.   Material Contracts:

              (1)   Basic agreement between the Company   Exhibit 10.13 to
                    and Ulvac Corporation dated           a Registration
                    August 17, 1981.                      Statement on Form
                                                          S-2, Registration
                                                          No. 2-84880.

              (2)   Lease agreement dated July 24,        47-49
                    1984, as amended July 26, 1999,
                    between Long Gate LLC as Lessor
                    and the Company as Lessee.


              (3)   Lease agreement dated May 23,         Exhibit 10-(14) to the
                    1991, between Mansfield Corporate     Company's Form 10-K
                    Center Limited Partnership as         for the Year Ended
                    Lessor and the Company as Lessee.     December 31, 1991.

              (4)   Lease agreement dated May 21,         Exhibit 10-(4) to the
                    1996, between LakeCenter Plaza,       Company's Form 10-K
                    Ltd., LLLP as Lessor and the          for the Year Ended
                    Company as Lessee.                    December 31, 1998.

              (5)   Lease agreement dated August 7,       Exhibit 10-(5) to the
                    1998, between Mitsubishi Jisho        Company's Form 10-K
                    Co., Ltd. as Lessor and the           for the Year Ended
                    Company as Lessee.                    December 31, 1998.






                                     - 17 -


<PAGE>



                                     PART IV

Item  14.  Exhibits,  Financial  Statement  Schedules  and  Reports  on Form 8-K
(continued)

                                                           Page Number(s) or
                                                           Incorporation by
Description                                                Reference to

              Management Compensation Plans, Contracts and Arrangements:

              (6)   Lease agreement dated May 14,          50-91
                    1999, between MUM IV, LLC as
                    Lessor and the Company as Lessee.

              (7)   The Company's 1996 Equity Incentive    Exhibit A to the
                    Plan.                                  Company's Proxy
                                                           Statement for its
                                                           1996 Annual Meeting
                                                           of Stockholders held
                                                           on April 24, 1996.

              (8)   The Company's 1996 Stock Option        Exhibit B to the
                    Plan for Non-Employee Directors.       Company's Proxy
                                                           Statement for its
                                                           1996 Annual Meeting
                                                           of Stockholders held
                                                           on April 24, 1996.

              (9)   The Company's informal incentive       Exhibit 10.9 to a
                    bonus plan.                            Registration
                                                           Statement on Form
                                                           S-2, Registration
                                                           No. 2-84880.

              (10)  Employment agreement dated             Exhibit 10-(1) to the
                    February 11, 1999, between the         Company's Form 10-Q
                    Company and Robert J. Lepofsky.        for the Quarter Ended
                                                           April 2, 1999.



                                     - 18 -


<PAGE>



                                     PART IV

Item  14.  Exhibits,  Financial  Statement  Schedules  and  Reports  on Form 8-K
(continued)

                                                           Page Number(s) or
                                                           Incorporation by
Description                                                Reference to



              (11)  The Company's Supplemental Key         Exhibit 14-(14) to
                    Executive Retirement Plan              the Company's Form
                    effective February 13, 1992.           10-K for the Year
                                                           Ended December 31,
                                                           1992.

              (12)  Employment Agreement dated July 18,    Exhibit 10-(13) to
                    1997, between the Company and          the Company's Form
                    Robert E. Anastasi.                    10-K for the Year
                                                           Ended December 31,
                                                           1997.

              (13)  Employment Agreement dated July 18,    Exhibit 10-(14) to
                    1997, between the Company and          the Company's Form
                    Michael El-Hillow.                     10-K for the Year
                                                           Ended December 31,
                                                           1997.

              (14)  Employment Agreement dated             Exhibit 10-(15) to
                    August 18, 1997, between the           the Company's Form
                    Company and Christopher Moody.         10-K for the Year
                                                           Ended December 31,
                                                           1997.

              (15)  The Company's Supplemental Benefit     92-93
                    Plan effective April 1, 1999.







                                     - 19 -

<PAGE>



                                     PART IV

Item  14.  Exhibits,  Financial  Statement  Schedules  and  Reports  on Form 8-K
(continued)

                                                            Page Number(s) or
                                                            Incorporation by
Description                                                 Reference to

       21.    Subsidiaries of the Registrant.               94

       23.    Consent of Independent Accountants.           95

       27.1   Financial Data Schedule (EDGAR version only).

(b)    The Company did not file any reports on Form 8-K during the quarter ended
       December 31, 1999.

(c)    Exhibits required by Item 601 of Regulation S-K are indexed  under (a)(3)
       above.

(d)    Separate  financial  statements of: (1) subsidiaries not consolidated and
       fifty percent or less owned persons;  (2) affiliates whose securities are
       pledged as collateral; and (3) other Schedules are not filed because they
       are  either  not  applicable  or the  items  do not  exceed  the  various
       disclosure levels.













                                     - 20 -


<PAGE>


                                   SIGNATURES



           Pursuant to the requirements of Section 13 or 15(d) 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, this 17th day of March, 2000.

                                   HELIX TECHNOLOGY CORPORATION
                                             (Registrant)


                                   /s/Robert J. Lepofsky
                                   ----------------------------------
                                   Robert J. Lepofsky
                                   President and Chief Executive Officer

           Pursuant to the requirements of the Securities  Exchange Act of 1934,
           this report has been signed below by the following  persons on behalf
           of the registrant on this 17th day of March,  2000, in the capacities
           indicated.

              Signatures                              Titles

  (i)     Principal Executive Officer



          /s/Robert J. Lepofsky
          ---------------------
          Robert J. Lepofsky             President and Chief Executive Officer

  (ii)    Principal Financial and
          Accounting Officer


          /s/Michael El-Hillow
          --------------------
          Michael El-Hillow              Senior Vice President and Chief
                                         Financial Officer










                                     - 21 -


<PAGE>


       (iii)   A Majority of the Board of Directors



               /s/Arthur R. Buckland       Director
               ------------------------
                  Arthur R. Buckland



               /s/Matthew O. Diggs, Jr.    Director
               ------------------------
                  Matthew O. Diggs, Jr.



               /s/Frank Gabron             Director
               -------------------------
                  Frank Gabron



               /s/Robert H. Hayes          Director
               -------------------------
                  Robert H. Hayes



               /s/Robert J. Lepofsky       Director
               -------------------------
                  Robert J. Lepofsky



               /s/Marvin G. Schorr         Director and Chairman of the Board
               -------------------------
                  Marvin G. Schorr



               /s/Mark S. Wrighton         Director
               -------------------------
                  Mark S. Wrighton







                                     - 22 -


<PAGE>


                        REPORT OF INDEPENDENT ACCOUNTANTS




To The Board of Directors and Stockholders
of Helix Technology Corporation:

         In our opinion,  the accompanying  consolidated  balance sheets and the
related  consolidated  statements of operations,  stockholders'  equity and cash
flows present fairly, in all material respects,  the financial position of Helix
Technology  Corporation  at December 31, 1999 and 1998, and the results of their
operations  and their cash flows for each of the three years in the period ended
December 31, 1999, in conformity with accounting  principles  generally accepted
in the United States.  These financial  statements are the responsibility of the
Company's  management;  our  responsibility  is to  express  an opinion on these
financial  statements  based on our  audits.  We  conducted  our audits of these
statements  in  accordance  with auditing  standards  generally  accepted in the
United  States,  which  require  that we plan and  perform  the audits to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the  amounts  and  disclosures  in  the  financial  statements,   assessing  the
accounting  principles  used and significant  estimates made by management,  and
evaluating the overall  financial  statement  presentation.  We believe that our
audits provide a reasonable basis for the opinion expressed above.



/s/PricewaterhouseCoopers LLP
- -----------------------------
PricewaterhouseCoopers LLP
Boston, Massachusetts
January 21, 2000








                                     - 23 -


<PAGE>
<TABLE>


                          HELIX TECHNOLOGY CORPORATION
                           CONSOLIDATED BALANCE SHEETS
<CAPTION>

                                                                              December 31,
(in thousands except share data)                            Notes        1999              1998
- ------------------------------------------------------------------------------------------------
ASSETS
Current:
<S>                                                           <C>       <C>             <C>
   Cash and cash equivalents                                  A         $ 11,408        $  8,843
   Investments                                                A           15,912          18,152
   Receivables - net of allowances of $185 in
     1999 and $228 in 1998                                                19,479           9,783
   Inventories                                                A           18,442          14,811
   Deferred income taxes                                      A&C          7,040           5,157
   Other current assets                                                    1,626           1,106
                                                                        -------------------------
Total Current Assets                                                      73,907          57,852
                                                                        -------------------------

Property, plant and equipment at cost                         A           38,724          36,691
Less:  accumulated depreciation                                          (28,093)        (25,990)
                                                                        -------------------------
Net property, plant and equipment                                         10,631          10,701
Other assets                                                  A&E          9,117           7,099
                                                                        -------------------------
TOTAL ASSETS                                                            $ 93,655        $ 75,652
                                                                        =========================

LIABILITIES AND STOCKHOLDERS' EQUITY
Current:
   Accounts payable                                                     $  8,490        $  3,752
   Payroll and compensation                                                4,768           2,884
   Retirement costs                                           G            4,561           3,588
   Income taxes                                               A&C          3,238             507
   Other accrued liabilities                                  H              975           1,553
                                                                        -------------------------
Total Current Liabilities                                                 22,032          12,284
                                                                        -------------------------

Commitments                                                   B                -               -
Stockholders' Equity:
Preferred stock, $1 par value; authorized
   2,000,000 shares; issued and outstanding: none                              -               -
Common stock, $1 par value; authorized 60,000,000
   shares; issued and outstanding:  22,375,631 in 1999
   and 22,319,131 in 1998                                     D           22,376          22,319
Capital in excess of par value                                             9,314           7,936
Treasury stock, $1 par value, 11,602 shares in
   1999 and 34,000 shares in 1998                                           (198)           (438)
Retained earnings                                                         39,063          33,910
Accumulated other comprehensive income (loss)                              1,068            (359)
                                                                        -------------------------
Total Stockholders' Equity                                                71,623          63,368
                                                                        -------------------------
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY                              $ 93,655        $ 75,652
                                                                        =========================

The  accompanying  notes are an integral  part of these  consolidated  financial
statements.
</TABLE>


                                                            - 24 -


<PAGE>
<TABLE>


                          HELIX TECHNOLOGY CORPORATION
                      CONSOLIDATED STATEMENTS OF OPERATIONS

<CAPTION>

                                                                        For the years ended December 31,
(in thousands except per share data)                  Notes           1999          1998           1997
- ----------------------------------------------------------------------------------------------------------

<S>                                                     <C>         <C>           <C>            <C>
Net sales                                                           $139,389      $ 95,345       $157,076
                                                                    --------------------------------------

Costs and expenses:
Cost of sales                                                         77,487        57,373         81,325
Research and development                                A              9,916        10,106         11,540
Selling, general and administrative                     D             31,976        26,581         30,891
Merger, restructuring and special charges               H                  -         6,046              -
                                                                    --------------------------------------
                                                                     119,379       100,106        123,756
                                                                    --------------------------------------
Operating income (loss)                                               20,010        (4,761)        33,320
Joint venture income                                    E              1,415           957          1,744
Interest and other income                                                856         1,234          1,754
Gain on sale of building                                I              1,397             -              -
                                                                    --------------------------------------
Income (loss) before taxes                                            23,678        (2,570)        36,818
Income tax provision (benefit)                          A&C            7,814          (650)        11,274
                                                                    -------------------------------------
Net income (loss)                                                   $ 15,864      $ (1,920)      $ 25,544
                                                                    ======================================
Net income (loss) per share:
   Basic                                                A&D         $   0.71      $  (0.09)      $   1.15
   Diluted                                              A&D         $   0.70      $  (0.09)      $   1.14
                                                                    ======================================
Number of shares used in per share calculations:
   Basic                                                A&D           22,336        22,262         22,151
   Diluted                                              A&D           22,623        22,262         22,353
                                                                    ======================================


Pro Forma Results (unaudited)
Income (loss) before taxes                                                        $ (2,570)      $ 36,818
Income tax (benefit) provision                                                        (824)        12,767
                                                                                  ------------------------
Pro forma net income (loss)                                                       $ (1,746)      $ 24,051
                                                                                  ========================
Pro forma net income (loss) per share:
    Basic                                                                         $  (0.08)      $   1.09
    Diluted                                                                       $  (0.08)      $   1.08
                                                                                  ========================

The  accompanying  notes are an integral  part of these  consolidated  financial
statements.
</TABLE>








                                     - 25 -


<PAGE>

<TABLE>

                                                     HELIX TECHNOLOGY CORPORATION
                                            CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
<CAPTION>

                                        Common Stock                                         Accumulated
                                              Capital                                          Other                 Statements of
                                       Par   in Excess    Deferred    Treasury  Retained   Comprehensive             Comprehensive
(in thousands)                        Value   of Par    Compensation   Stock    Earnings   Income (Loss)    Total       Income
- ------------------------------------------------------------------------------------------------------------------------------------

<S>                                   <C>       <C>        <C>        <C>       <C>            <C>           <C>          <C>
Balance, December 31, 1996            $22,035   $ 2,104    $(885)     $   -     $ 45,396       $  833       $ 69,483
Comprehensive income, net of tax:
 Net income                                 -         -        -          -       25,544            -         25,544      $25,544
 Other comprehensive loss:
  Foreign currency translation
   adjustments                              -         -        -          -            -         (762)          (762)        (762)
                                                                                                ------                    --------
 Other comprehensive loss                   -         -        -          -            -         (762)                       (762)
                                                                                                                          --------
Comprehensive income                                                                                                      $24,782
                                                                                                                          ========
Shares issued for stock options           157     1,625        -          -            -            -          1,782
Income tax effect from exercise
 of stock options                           -       448        -          -            -            -            448
Restricted stock (Note H)                  73       494      (68)         -            -            -            499
Shares tendered for exercise of
 stock options                            (52)              (987)         -            -            -         (1,039)
Cash dividends                              -         -        -          -      (16,260)           -        (16,260)
                                      -------------------------------------------------------------------------------
Balance, December 31, 1997             22,213     3,684     (953)         -       54,680           71         79,695
                                      -------------------------------------------------------------------------------
Comprehensive loss, net of tax:
 Net loss                                   -         -        -          -       (1,920)           -         (1,920)     $(1,920)
 Other comprehensive loss:
  Foreign currency translation
   adjustments                              -         -        -          -            -         (440)          (440)        (440)
  Unrealized gain on available-
   for-sale investment                      -         -        -          -            -           10             10           10
                                                                                                ------                    --------
 Other comprehensive loss                   -         -        -          -            -         (430)                       (430)
                                                                                                                          --------
Comprehensive loss                                                                                                        $(2,350)
                                                                                                                          ========
Shares issued for stock options           106     1,785        -          -            -            -          1,891
Income tax effect from exercise
 of stock options                           -      (224)       -          -            -            -           (224)
Restricted stock and acquisition
 adjustment (Note H)                        -     2,691      953          -       (2,783)           -            861
Shares tendered for exercise of
 stock options                              -         -        -       (438)           -            -           (438)
Cash dividends                              -         -        -          -      (16,067)           -        (16,067)
                                      -------------------------------------------------------------------------------
Balance, December 31, 1998             22,319     7,936        -       (438)      33,910         (359)        63,368
                                      -------------------------------------------------------------------------------
Comprehensive income, net of tax:
 Net income                                 -         -        -          -       15,864            -         15,864      $15,864
 Other comprehensive income:
  Foreign currency translation
   adjustments                              -         -        -          -            -        1,467          1,467        1,467
  Unrealized loss on available-
   for-sale investment                      -         -        -          -            -          (40)           (40)         (40)
                                                                                               -------                    --------
 Other comprehensive income                 -         -        -          -            -        1,427                       1,427
                                                                                                                          --------
Comprehensive income                                                                                                      $17,291
                                                                                                                          ========
Shares issued for stock options            57       746        -          -            -            -            803
Shares issued for employee
 savings plan                               -       302        -        318            -            -            620
Income tax effect from exercise
 of stock options                           -       330        -          -            -            -            330
Shares tendered for exercise of
 stock options                              -         -        -        (78)           -            -            (78)
Cash dividends                              -         -        -          -      (10,711)           -        (10,711)
                                      -------------------------------------------------------------------------------
Balance, December 31, 1999            $22,376   $ 9,314    $   -      $(198)    $ 39,063      $ 1,068       $ 71,623
                                      ===============================================================================
The accompanying notes are an integral part of these consolidated financial statements.
</TABLE>

                                                                - 26 -


<PAGE>




<TABLE>



                          HELIX TECHNOLOGY CORPORATION
                      CONSOLIDATED STATEMENTS OF CASH FLOWS

<CAPTION>
                                                                                  For the years ended December 31,
(in thousands)                                                                  1999            1998          1997
- ------------------------------------------------------------------------------------------------------------------------
Cash flows from operating activities:
<S>                                                                          <C>             <C>            <C>
   Net income (loss)                                                         $ 15,864        $ (1,920)      $ 25,544
   Adjustments to reconcile net income (loss) to net
     cash provided by operating activities:
       Depreciation and amortization                                            4,045           3,999          3,713
       Deferred income taxes                                                   (1,883)           (923)          (801)
       Gain on sale of property                                                (1,397)              -              -
       Restructuring charge                                                         -             667              -
       Undistributed earnings of joint venture, other                            (533)           (769)        (1,561)
       Amortization of deferred compensation                                        -             861            499
       Performance-based stock compensation                                     1,581             959          1,300
       Shares issued for employee savings plan                                    620               -              -
       Net change in other operating assets and liabilities (1)                (5,867)          4,535         (1,235)
                                                                             ----------------------------------------
   Net cash provided by operating activities                                   12,430           7,409         27,459
                                                                             ----------------------------------------
Cash flows from investing activities:
   Proceeds from sale of property                                               2,500               -              -
   Capital expenditures                                                        (4,561)         (2,557)        (5,248)
   Purchase of investments                                                    (23,910)        (53,047)        (4,444)
   Sale of investments                                                         26,092          38,585          3,470
                                                                             ----------------------------------------
   Net cash provided/(used) by investing activities                               121         (17,019)        (6,222)
                                                                             ----------------------------------------
Cash flows from financing activities:
   Shares tendered for exercise of stock options                                  (78)           (438)        (1,039)
   Net cash provided by employee stock plans                                      803             241            543
   Cash dividends paid                                                        (10,711)        (16,067)       (16,260)
                                                                             ----------------------------------------
   Net cash used by financing activities                                       (9,986)        (16,264)       (16,756)
                                                                             ----------------------------------------
Increase (decrease) in cash and cash equivalents                                2,565         (25,874)         4,481
Cash and cash equivalents, January 1                                            8,843          34,717         30,236
                                                                             ----------------------------------------
Cash and cash equivalents, December 31                                       $ 11,408        $  8,843       $ 34,717
                                                                             ========================================

(1) Change in other operating assets and liabilities:
         (Increase)/decrease in accounts receivable                          $ (9,696)       $  8,402       $ (4,871)
         (Increase)/decrease in inventories                                    (3,631)            560            484
         (Increase)/decrease in other current assets                             (520)             12           (218)
         Increase/(decrease) in accounts payable                                4,738          (1,284)            67
         Increase/(decrease) in other accrued expenses                          3,242          (3,155)         3,303
                                                                             ----------------------------------------
       Net change in other operating assets and liabilities                  $ (5,867)       $  4,535       $ (1,235)
                                                                             ========================================

Income taxes paid                                                            $  6,619        $  3,528       $ 10,131
                                                                             ========================================

Supplemental  disclosure  of  non-cash  activity  in 1999,  1998 and  1997,  $0,
$1,650,000 and $1,240,000,  respectively, was reclassed from accrued expenses to
equity in connection with issuance of stock options.

The  accompanying  notes are an integral  part of these  consolidated  financial
statements.
</TABLE>

                                     - 27 -



<PAGE>



                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A.     Summary of Significant Accounting Policies

       Use of Estimates

       The  preparation  of financial  statements in conformity  with  generally
       accepted accounting  principles requires management to make estimates and
       assumptions that affect the reported amounts of assets and liabilities at
       the date of the financial statements and the reported amounts of revenues
       and expenses  during the reporting  period.  Actual  results could differ
       from those estimates.  Certain  reclassifications have been made to prior
       years'  consolidated  financial  statements  to conform  with the current
       presentation.

       Principles of Consolidation

       The consolidated financial statements include the accounts of the Company
       and its wholly owned  subsidiaries  after elimination of all intercompany
       transactions.  The  investment in and operating  results of the Company's
       50%-owned joint venture are included on the basis of the equity method of
       accounting.

       Business Combination

       In May 1998, the Company acquired Granville-Phillips Company ("GPC"). The
       acquisition was accounted for as a pooling of interests under  Accounting
       Principles Board Opinion No. 16 "Business Combinations." All prior period
       consolidated  financial  statements  have been  restated  to include  the
       financial position, results of operations,  stockholders' equity and cash
       flows of GPC.

       Foreign Currency Translation

       Assets and  liabilities  of  operations  outside  the  United  States are
       translated into U.S.  dollars using current  exchange  rates.  Income and
       expense accounts are translated at the average rates in effect during the
       year.  The  effects  of  foreign  currency  translation  adjustments  are
       included in comprehensive income as a component of stockholders'  equity.
       The cumulative  translation  adjustment for the Company's 50%-owned joint
       venture is reported net of income taxes.  Transaction  gains/losses  were
       not material.  The effect of foreign currency  exchange rates on cash and
       cash equivalents was not material.

       Cash and Cash Equivalents

       Cash and cash equivalents include demand deposits,  money market accounts
       and other highly liquid  investments  with  original  maturities of three
       months or less.






                                     - 28 -


<PAGE>


                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A.     Summary of Significant Accounting Policies (continued)

       Investments

       The  Company's   investments   are   classified   as   available-for-sale
       securities,  and the  difference  in the  cost  and  fair  value of these
       investments   is  included  in   comprehensive   income.   The  Company's
       investments consist of the following:


                                                       December 31,
                                      ------------------------------------------
                                                1999                   1998
                                      -------------------    -------------------
       (in thousands)                  Cost    Fair Value     Cost    Fair Value
       -------------------------------------------------------------------------

       Money market funds             $ 1,855   $ 1,855      $ 2,336    $ 2,336
       Municipal and tax-free bonds    14,114    14,057       15,516     15,531
       Treasury bills                       -         -          285        285
                                      -----------------------------------------
                                      $15,969   $15,912      $18,137    $18,152
                                      =========================================

       Financial Instruments

       Financial instruments that potentially subject the Company to significant
       concentrations  of  credit  risk  consist  principally  of cash  and cash
       equivalents,  short-term  investments and trade accounts receivable.  The
       Company invests in investment-grade  securities.  The Company's customers
       are concentrated in one industry segment, the semiconductor manufacturing
       industry, and, historically, a significant portion of the Company's sales
       have been to a limited  number of  customers  within this  industry.  The
       Company performs ongoing credit  evaluations of its customers'  financial
       condition  and may require  deposits on large orders but does not require
       collateral or other security to support customer receivables.

       Inventories
                                                          December 31,
       (in thousands)                                 1999             1998
       ----------------------------------------------------------------------

       Finished goods                                $ 5,157         $  3,067
       Work in process                                 8,716            7,597
       Materials and parts                             4,569            4,147
                                                     ------------------------
                                                     $18,442          $14,811
                                                     ========================

       Inventories  are  stated at the  lower of cost or  market on a  first-in,
       first-out basis.



                                     - 29 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A.     Summary of Significant Accounting Policies  (continued)

       Property, Plant and Equipment
                                                    December 31,
       (in thousands)                           1999          1998
       -------------------------------------------------------------

       Land                                    $     -       $    20
       Leasehold improvements                    3,962         5,454
       Machinery and equipment                  34,762        31,217
                                               ---------------------
                                               $38,724       $36,691
                                               =====================

       Depreciation is provided on the  straight-line  method over the estimated
       useful lives of the assets. Leasehold improvements are amortized over the
       lesser of their useful life or the remaining life of the lease. Estimated
       useful lives of machinery and equipment range from 3 to 15 years.

       Maintenance  and  repairs  are  charged  to  expense  as  incurred,   and
       betterments  are  capitalized.  The cost of assets  sold or  retired  and
       related  depreciation  are removed  from the accounts at the time of sale
       and any resulting gain or loss is reflected in income.

       Revenue Recognition

       The Company  records  revenue on its products  when units are shipped and
       when services are performed.

       Research and Development

       Research and development costs are expensed as incurred.

       Income Taxes

       Deferred  income   taxes   result  from  temporary   differences  in  the
       recognition of revenues and expenses between financial statements and tax
       returns.  Tax credits are recognized when realized for tax purposes using
       the "flow-through" method of accounting. The Company has not provided for
       federal income taxes applicable to undistributed  earnings of its foreign
       subsidiaries since these earnings are indefinitely reinvested.



                                     - 30 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A.     Summary of Significant Accounting Policies  (continued)

       Net Income Per Share

       Basic net income (loss) per common share is based on the weighted average
       number of common shares  outstanding  during the year. Diluted net income
       (loss) per common share reflects the potential  dilution that could occur
       if outstanding stock options were exercised.

       The following  table sets forth the  computation of basic and diluted net
       income (loss) per common share:

                                                For the years ended December 31,
       (in thousands except per share data)       1999        1998       1997
       -------------------------------------------------------------------------

       Net income (loss)                        $15,864     $(1,920)    $25,544
                                                ===============================

       Basic shares                              22,336      22,262      22,151
       Add: Common equivalent shares (1)            287           -         202
                                                -------------------------------
       Diluted shares                            22,623      22,262      22,353

       Basic net income (loss) per share        $  0.71     $ (0.09)    $  1.15
                                                ===============================

       Diluted net income (loss) per share      $  0.70     $ (0.09)    $  1.14
                                                ===============================

       (1) Common equivalent shares represent shares issuable upon conversion of
           stock options (using the treasury  stock method).  As of December 31,
           1999,  the  Company  had no stock  options  that were  anti-dilutive.
           Options outstanding not included in the computation of diluted shares
           were 491,000 in 1998 because the Company was in a net loss  position,
           and the  inclusion of such shares would be  anti-dilutive.  For 1997,
           30,000  options  outstanding  were not  included in the  computation,
           because the option price was greater than the average market price of
           the common shares.

       New Accounting Pronouncements

       In June 1998, the Financial  Accounting  Standards Board issued Statement
       of Financial  Accounting  Standards No. 133 (SFAS 133),  "Accounting  for
       Derivative   Instruments   and  Hedging   Activities."   This   statement
       establishes   accounting   and   reporting   standards   for   derivative
       instruments,  including  some  derivative  instruments  embedded in other
       contracts  (collectively  referred  to as  derivatives),  and for hedging
       activities.  The Company will adopt SFAS 133 in 2001, in accordance  with
       SFAS 137,  which deferred the effective date of SFAS 133. The adoption of
       this  Standard in 2001 is not  expected to have a material  impact on the
       Company's financial statements.






                                     - 31 -


<PAGE>


                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A.     Summary of Significant Accounting Policies  (continued)

       New Accounting Pronouncements (continued)

       In December 1999, the  Securities  and Exchange  Commission  issued Staff
       Accounting Bulletin No. 101 (SAB 101), "Revenue  Recognition in Financial
       Statements."  SAB 101 summarizes  the staff's view in applying  generally
       accepted  accounting  principles to selected revenue  recognition issues.
       The  application  of the  guidance  in SAB 101  will be  required  in the
       Company's   first  quarter  of  2000.   The  Company  has  evaluated  the
       application of SAB 101 and determined that it will have no impact.


B.     Lease Commitments and Contingent Obligations

       The Company  leases  certain  facilities  and equipment  under  long-term
       operating leases.

       Future minimum lease payments under the  noncancelable  operating  leases
       are:

       (in thousands)                                     Operating Leases
       -------------------------------------------------------------------

       2000                                                  $    4,495
       2001                                                       3,550
       2002                                                       3,491
       2003                                                       3,267
       2004                                                       3,025
       Later years                                                9,428
                                                             ----------
       Total                                                 $   27,256
                                                             ==========

       Total rental  expense  under  operating  leases was  $4,130,000  in 1999,
       $3,526,000 in 1998, and $3,289,000 in 1997.

       The Company enters into short-term  foreign  currency  forward  contracts
       with its primary bank to minimize the effect of foreign currency exchange
       rate  fluctuations on certain  intercompany  transactions with its wholly
       owned  European and Japanese  subsidiaries.  Net realized and  unrealized
       gains and losses on these  transactions are not material and are recorded
       in the  statements of operations.  The notional  amounts of the Company's
       outstanding  foreign currency forward  contracts at December 31, 1999 and
       1998, were $4,027,000 and $2,153,000, respectively.

       In the normal course of business, the Company is subject to various legal
       proceedings  and claims.  The Company is a defendant in an action brought
       by Raytheon Company claiming damages from the sale of allegedly defective
       components by the Company to Raytheon, which the Company no longer sells.
       The Company  believes that it has meritorious  defenses to the claims and
       that,  although  the  outcome  of the  action  cannot be  predicted  with
       certainty, the disposition of the claim should not have a material effect
       on the financial position of the Company.


                                     - 32 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

C.     Income Taxes

       The   components  of  income   (loss) before income taxes and the related
       provision for (benefit from) income taxes are presented below:


                                               For the years ended December 31,
       (in thousands)                          1999         1998        1997
       ------------------------------------------------------------------------
       Income (loss) before income taxes:
         Domestic                            $22,500      $(2,572)     $36,106
         Foreign                               1,178            2          712
                                             ----------------------------------
                                             $23,678      $(2,570)     $36,818
                                             ==================================

       Provision for (benefit from)
       income taxes:
         Current:
             Federal                         $ 8,114      $   176      $10,096
             Foreign                             558           18          250
             State                             1,025           79        1,729
                                             ----------------------------------
                                               9,697          273       12,075
         Deferred:
             Federal                          (1,675)        (611)        (656)
             State                              (208)        (312)        (145)
                                             ----------------------------------
                                              (1,883)        (923)        (801)
                                             ----------------------------------
       Total                                 $ 7,814      $  (650)     $11,274
                                             ==================================

       The Company's  deferred tax assets and (liabilities) are comprised of the
       following:

                                                                December 31,
       (in thousands)                                        1999        1998
       ------------------------------------------------------------------------
       Deferred tax assets:
       Inventory valuation                                $ 1,821      $ 1,411
       Compensation and benefit plans                       3,643        2,208
       Leases                                                 190          223
       Depreciation                                           671          305
       Net operating loss and tax credit carryforwards        457          656
       Other                                                  335          434
                                                          ---------------------
          Total deferred tax assets                         7,117        5,237
       Deferred tax liabilities                               (77)         (80)
                                                          ---------------------
          Net deferred tax assets                         $ 7,040      $ 5,157
                                                          =====================

       Deferred   income  taxes  on   undistributed   earnings  of  the  foreign
       subsidiaries are not material. The Company believes that its deferred tax
       assets are more  likely  than not  realizable;  therefore,  no  valuation
       allowance is required.




                                     - 33 -

<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

C.     Income Taxes (continued)

       The table below reconciles the expected U.S. federal income tax provision
       (benefit)  to  the  recorded  income  tax  provision   (benefit)  in  the
       statements of operations:
<TABLE>
<CAPTION>

                                                                             December 31,
                                                                   ----------------------------------
       (in thousands)                                              1999          1998          1997
       ----------------------------------------------------------------------------------------------
<S>                                                                <C>            <C>        <C>
       Federal tax computed at statutory rate of 35%               $8,287         $(899)     $12,886
       State income taxes, net of federal income tax benefit          531          (151)       1,063
       Non-taxable S-Corporation loss (income)                          -           165       (1,514)
       Foreign sales corporation tax benefit                         (548)            -         (907)
       Earnings not subject to U.S. income taxes                     (308)         (191)        (414)
       R&D and foreign tax credits                                   (508)         (357)        (516)
       Non-deductible acquisition costs                                 -           620            -
       Other, net                                                     360           163          676
                                                                  -----------------------------------
       Income tax provision (benefit)                              $7,814         $(650)     $11,274
                                                                  ===================================
</TABLE>

       Prior  to the  acquisition  on May 7,  1998,  Granville-Phillips  Company
       ("GPC") had elected to be treated as an S-Corporation  for federal income
       tax reporting purposes.  Under this election, the individual stockholders
       of GPC are  deemed to have  received a pro rata  distribution  of taxable
       income of GPC (whether or not an actual  distribution was made), which is
       included in their taxable  income.  Accordingly,  GPC did not provide for
       federal income taxes. Unaudited pro forma net income (loss) per share for
       1998 and 1997  reflects  the  unaudited  pro  forma  income  tax  benefit
       (provision)  of GPC as if GPC was combined  and subject to the  effective
       federal and state statutory rates of  approximately  38% throughout these
       periods.  GPC's  S-Corporation tax reporting status was terminated on the
       date of the acquisition and,  therefore,  the  undistributed  earnings of
       $2.8  million as of the date of  acquisition  have been  reclassified  to
       additional paid-in capital.

D.     Capital Stock

       On October 16,  1997,  the  Company's  Board of  Directors  authorized  a
       two-for-one  common  stock split that was  effected in the form of a 100%
       stock dividend. Stock certificates were distributed on November 13, 1997,
       to  stockholders  of record on October 30, 1997.  All  references  in the
       financial statements and notes to number of shares, per share amounts and
       market  prices of the  Company's  common  stock  have been  retroactively
       restated to reflect the increased number of common shares outstanding.

       Options for the  purchase of shares of the  Company's  common  stock have
       been granted to  officers,  directors  and key  employees  under  various
       nonqualified  stock  option  agreements.  The  terms of these  agreements
       provide that the options are exercisable  over a number of years from the
       date of  grant at not less  than  the  fair  market  value at the date of
       grant.




                                     - 34 -


<PAGE>


                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

D.     Capital Stock  (continued)

       Options  expire at various  dates  through the year 2009. At December 31,
       1999 and 1998,  respectively,  1,151,274 and  1,207,774  shares of common
       stock were  reserved  for stock  options.  At December 31, 1999 and 1998,
       respectively,   115,274  and  97,024   nonqualified  stock  options  were
       exercisable.  In 1989,  the Company  entered into an  agreement  with its
       president  under which  options to  purchase up to 800,000  shares of the
       Company's  common  stock  were  granted,  at a price of $1.69 per  share,
       exercisable  over a ten-year  period subject to the attainment of certain
       financial  performance  targets.  At December 31,  1999,  options for the
       purchase of 640,000 shares had become exercisable.  The remaining 160,000
       shares will become  exercisable on March 1, 2000. In connection with this
       agreement,  compensation  expense of $1,581,000,  $959,000 and $1,300,000
       was charged in 1999, 1998 and 1997, respectively.

       In the first quarter of 1999,  the Company  entered into a new employment
       agreement with its president under which nonqualified options to purchase
       up to 200,000  shares of the  Company's  common stock were granted at the
       fair market value of $20.81 per share, vesting over an eight-year period.

       The following table summarizes  option activity for the years ended 1997,
       1998 and 1999:

                                        Number of              Weighted Average
       Options Outstanding            Common Shares             Exercise Price
       ------------------------------------------------------------------------
       December 31, 1996                615,000                    $   5.95

       Options granted                  121,000                    $  20.90
       Options exercised               (157,226)                   $   3.45
       Options cancelled                (82,000)                   $  14.66
                                     -----------
       December 31, 1997                496,774                    $   8.95

       Options granted                  180,000                    $  22.33
       Options exercised               (106,000)                   $   2.27
                                       ---------
       December 31, 1998                570,774                    $  14.41

       Options granted                  331,500                    $  21.68
       Options exercised                (56,500)                   $  14.21
       Options cancelled                (73,500)                   $  20.65
                                    ------------
       December 31, 1999                772,274                    $  16.95
                                    ============









                                     - 35 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

D.     Capital Stock  (continued)

       The  following  table   summarizes   information   concerning   currently
       outstanding and exercisable options:
<TABLE>
<CAPTION>

                                              Options Outstanding                          Options Exercisable
                          ----------------------------------------------------     --------------------------------
          Range of           Number         Weighted Average       Weighted           Number            Weighted
          Exercise        Outstanding          Remaining            Average        Exercisable          Average
           Prices         at 12/31/99       Contractual Life    Exercise Price     at 12/31/99       Exercise Price
     --------------------------------------------------------------------------------------------------------------

<S>  <C>      <C>           <C>                 <C>                 <C>              <C>                <C>
     $ 1.69 - $ 1.69        160,000             .16 years           $ 1.69                   -               -
     $ 2.86 - $ 3.85         12,274            3.82 years           $ 3.68              12,274          $ 3.68
     $ 9.13 - $20.81        407,500            7.09 years           $19.56              64,000          $16.76
     $23.11 - $40.69        192,500            8.09 years           $24.97              39,000          $24.96
     ---------------        -------          ------------           ------           ---------          ------
     $ 1.69 - $40.69        772,274            5.85 years           $16.95             115,274          $18.14
</TABLE>

       The  Company  adopted  the  disclosure  only option  under  Statement  of
       Financial  Accounting  Standards  No.  123 (SFAS  123),  "Accounting  for
       Stock-Based  Compensation"  as of December  31, 1996.  If the  accounting
       provisions of SFAS 123 had been adopted,  the effect on net income (loss)
       and basic and  diluted  net income  (loss)  per share  would have been as
       follows:

                                               For the years ended December 31,
       (in thousands except per share data)       1999       1998        1997
       ------------------------------------------------------------------------

       As Reported
       Net income (loss)                        $15,864    $(1,920)     $25,544
       Basic net income (loss) per share        $  0.71    $ (0.09)     $  1.15
       Diluted net income (loss) per share      $  0.70    $ (0.09)     $  1.14

       Pro Forma
       Net income (loss)                        $15,179    $(2,438)     $25,371
       Basic net income (loss) per share        $  0.68    $ (0.11)     $  1.15
       Diluted net income (loss) per share      $  0.67    $ (0.11)     $  1.14

       The weighted  average fair value of options granted during 1999, 1998 and
       1997 was $10.63,  $8.44 and $8.06,  respectively.  The fair value of each
       option grant is  estimated  on the date of grant using the  Black-Scholes
       option-pricing model with the following weighted average assumptions:

                                                  1999        1998        1997
       ------------------------------------------------------------------------

       Dividend yield                              1.8%        4.2%        4.2%
       Expected stock price volatility              50%         50%         50%
       Risk-free interest rate                    5.18%       5.49%       6.34%
       Expected holding period (years)             7.4         6.4         6.4

                                     - 36 -


<PAGE>


                          HELIX TECHNOLOGY CORPORATION

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

E.     Other Assets

       The Company has a 50/50 joint venture company,  Ulvac  Cryogenics,  Inc.,
       with an unrelated Japanese manufacturer to produce cryogenic vacuum pumps
       in Japan.

       Condensed  results of  operations  for the joint  venture for each of the
       three fiscal years ended September 30, are as follows:

       (in thousands)                             1999       1998       1997
       ------------------------------------------------------------------------

       Net sales                                $24,229     $19,511     $27,638
                                                ===============================
       Gross profit                             $ 7,847     $ 5,280     $ 8,488
                                                ===============================
       Net income                               $ 1,762     $ 1,092     $ 2,364
                                                ===============================
       Joint venture income, including
         royalty income and equity income       $ 1,415     $   957     $ 1,744
                                                ===============================

       Condensed balance sheet information as of September 30, is as follows:

       (in thousands)                             1999       1998
       ------------------------------------------------------------------------

       Current assets                           $26,548     $15,314
       Noncurrent assets                          4,119       2,906
                                                -------------------
       Total assets                             $30,667     $18,220
                                                ===================

       Current liabilities                      $11,291     $ 4,572
       Long-term liabilities                      1,113         829
       Stockholders' equity                      18,263      12,819
                                                -------------------
       Total liabilities and
         stockholders' equity                   $30,667     $18,220
                                                ===================

       The  Company's  net  investment  in the joint  venture  of  approximately
       $8,549,000 and $6,500,000 at December 31, 1999 and 1998, respectively, is
       reported in other assets.  The  Company's net  investment at December 31,
       1999  and  1998,  reflects  a  cumulative   translation  gain  (loss)  of
       $1,083,000 and ($168,000),  respectively  (net of income tax provision of
       $583,000 and benefit of $90,000, respectively). This currency translation
       gain or loss,  which is included in stockholders'  equity,  resulted from
       translating the balance sheet of the joint venture into U.S. dollars.

F.     Segment Information

       Line of Business and Foreign Operations

       The Company adopted Statement of Financial  Accounting  Standards No. 131
       (SFAS  131),  "Disclosure  about  Segments of an  Enterprise  and Related
       Information" for 1998. The Company operates in several operating segments
       and in one reportable  segment:  the development,  manufacture,  sale and
       support of cryogenic and vacuum equipment.  These operating segments have
       been combined in accordance with the aggregation criteria of SFAS 131.

                                     - 37 -


<PAGE>




                          HELIX TECHNOLOGY CORPORATION

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

F.     Segment Information  (continued)

       The  consolidated  financial  statements  include the  accounts of wholly
       owned   international   subsidiaries   which  operate   customer  support
       facilities  to sell  and  service  products  manufactured  in the  United
       States. A summary of United States and International  operations  follows
       for the years ended December 31:



                                       United
       (in thousands)                  States     International    Consolidated
       ------------------------------------------------------------------------
       1999
       Net sales                      $119,154       $20,235        $139,389
       Long-lived assets              $ 17,328       $ 2,420        $ 19,748



       1998
       Net sales                      $ 81,747       $13,598        $ 95,345
       Long-lived assets              $ 16,707       $ 1,093        $ 17,800



       1997
       Net sales                      $143,083       $13,993        $157,076
       Long-lived assets              $ 18,387       $   531        $ 18,918

       Intercompany   transactions   are  at  prices  that  are   comparable  to
       third-party sales.

       Export Sales and Significant Customers

       The  Company's  export sales,  principally  to customers in the Far East,
       were $10,663,000 in 1999, $9,231,000 in 1998 and $13,105,000 in 1997.

       The Company's largest customer represented 29%, 20%, and 30% of net sales
       for 1999, 1998 and 1997, respectively.









                                     - 38 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

G.     Employee Benefit Plans

       The Company's retirement and savings plans cover substantially all of the
       Company's  employees  who  have one year of  service.  A  noncontributory
       defined  benefit  pension plan and a defined  contribution  plan function
       together as the Company's retirement program.

       The Company adopted Statement of Financial  Accounting Standards No. 132,
       "Employees'  Disclosure  about Pensions and Other  Retirement  Benefits,"
       during 1998. The following tables set forth the funded status,  projected
       benefit obligation and fair value of assets of the plan.

       Reconciliation of Funded Status

                                                                December 31,
       (in thousands)                                         1999       1998
       ------------------------------------------------------------------------

       Funded status                                        $ 2,336     $ 1,402
       Unrecognized prior service cost                           33          40
       Unrecognized net transition asset                       (145)       (184)
       Unrecognized net actuarial gain                       (5,819)     (4,018)
                                                            --------------------
       Accrued pension cost                                 $(3,595)    $(2,760)
                                                            ====================

       Reconciliation of Projected Benefit Obligation

       (in thousands)                                         1999       1998
       -------------------------------------------------------------------------

       Beginning of year benefit obligation (January 1)     $ 7,271     $ 6,369
          Service cost                                        1,024         981
          Interest cost                                         515         508
          Actuarial (gain) loss                              (1,975)        963
          Benefits paid                                        (956)     (1,061)
          Curtailment gain (1)                                    -        (489)
                                                            --------------------
       End of year benefit obligation (December 31)         $ 5,879     $ 7,271
                                                            ====================

       Reconciliation of Fair Value of Assets

       (in thousands)                                         1999       1998
       -------------------------------------------------------------------------

       Beginning of year, fair value of assets (January 1)  $ 8,673     $ 8,190
          Actual return on plan assets                          498       1,544
          Benefits paid                                        (956)     (1,061)
                                                            --------------------
       End of year, fair value of assets (December 31)      $ 8,215     $ 8,673
                                                            ====================



                                     - 39 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

G.     Employee Benefit Plans  (continued)

       The Company's net pension cost included the following components:

       (in thousands)                   1999          1998           1997
       -------------------------------------------------------------------
       Service cost                   $1,024         $ 981          $ 894
       Interest cost                     515           508            481
       Expected return on assets        (546)         (563)          (537)
       Net amortization of:
          Prior service cost               7             8              8
          Net actuarial gain            (125)         (131)          (131)
          Transition obligation          (39)          (39)           (39)
       Curtailment gain(1)                 -          (489)             -
                                      ------------------------------------
       Net periodic pension cost      $  836         $ 275          $ 676
                                      ====================================

       (1) The curtailment  gain relates to certain  participants in the pension
           plan who were  terminated  from  employment  in  connection  with the
           Company's restructuring plan. (Note H).

       Key assumptions  used in computing  year-end  obligations for the defined
       benefit plan were:

                                              1999          1998          1997
       ------------------------------------------------------------------------

       Discount rate for obligations          7.75%         6.75%          7.0%
       Rate of compensation increase           5.5%          5.0%          5.0%
       Long-term rate of return on assets      9.0%          9.0%          9.0%

       The Company has Employee  Savings Plans,  qualified under Section 401(k),
       which  are  designed  to  supplement   retirement   income.  The  Company
       contributes  a  percentage  of the  participants'  contributions  up to a
       defined maximum amount.  The contributions  expense,  net of forfeitures,
       was $1,239,000 in 1999, $826,000 in 1998 and $812,000 in 1997.

       The Company has a  Supplemental  Key Executive  Retirement  Plan which is
       designed   to   supplement    benefits   paid   to   participants   under
       Company-funded,  tax-qualified  retirement  plans.  The Company  recorded
       additional  retirement  costs of $186,000  in 1999,  $170,000 in 1998 and
       $69,000 in 1997 in connection with this Plan.






                                     - 40 -
<PAGE>

                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

H.     Merger, Restructuring and Special Charges

       In the second  quarter of 1998, the Company  acquired  Granville-Phillips
       Company ("GPC") in a transaction accounted for as a pooling of interests.
       GPC  operates  in  the  same  line  of  business  as  the  Company;   the
       development,  manufacture,  sale and  support  of vacuum  equipment.  The
       Company  issued  2,382,925  shares of common  stock in  exchange  for all
       outstanding common stock of GPC at May 7, 1998. Direct acquisition costs,
       primarily  compensation  expense relating to shares issued to certain GPC
       employees  as part of a  restricted  stock plan,  and  professional  fees
       amounted  to $3.5  million  and  were  charged  against  the  results  of
       operations. At the time of the acquisition, GPC common shares included in
       the restricted  stock plan were exchanged for the equivalent value of the
       Company's common shares.  GPC was an S-Corporation for tax purposes prior
       to the  acquisition.  In  accordance  with SAB  Topic 4B,  the  amount of
       undistributed  earnings of $2.8 million generated during the periods that
       GPC was taxed as an S-Corporation was reclassified from retained earnings
       to  capital  in excess of par  value at the time of the  merger  and $0.8
       million  was  recorded  in  capital  in  excess  of par  value  for stock
       incentive plans in 1998.

       The following  information  presents certain statement of operations data
       of the Company and GPC for the periods prior to the acquisition.

                                             (Unaudited)
                                         Three Months Ended     Year Ended
       (in thousands)                      Mar. 31, 1998      Dec. 31, 1997
       --------------------------------------------------------------------
       Net sales for:
          Helix                             $25,872              $131,519
          GPC                                 5,622                25,557
                                            -----------------------------
          Combined                          $31,494              $157,076
                                            =============================
       Net income (loss) for:
          Helix                             $ 2,941              $ 21,315
          GPC                                (1,075)                4,229
                                            -----------------------------
          Combined                          $ 1,866              $ 25,544
                                            =============================

       During the third quarter of 1998, the Company recorded  restructuring and
       other  special  charges of $2.5  million.  The Company  restructured  its
       domestic   operations   to  eliminate   non-strategic   spending,   while
       redirecting  resources to the Company's global customer support structure
       and  other  strategic   initiatives.   The  charges  primarily   included
       provisions for termination  benefits of $1.3 million for approximately 80
       personnel,  exit costs  related to a leased  facility of $1.0 million and
       $0.2 million for the impairment of certain assets.  At December 31, 1999,
       the restructuring accrual was fully utilized.






                                     - 41 -

<PAGE>



                          HELIX TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

H.     Merger, Restructuring and Special Charges (continued)

       The amounts  accrued and charged  against the provisions  described above
       were as follows:
<TABLE>
<CAPTION>

                                          1998                          1999
                                      Cash Payments       Dec. 31,     Cash Payments    Dec. 31
                                        and Asset         1998         and Asset        1999
(in thousands)           Provision      Write-offs        Balance      Write-offs       Balance
- -----------------------------------------------------------------------------------------------
<S>                       <C>              <C>               <C>           <C>        <C>
Employee termination
   benefits               $1,300           $1,000            $300          $300       $  -
Leased facility            1,000              400             600           600          -
Asset impairment             200              200               -             -          -
                         -------------------------------------------------------------------
Total                     $2,500           $1,600            $900          $900       $  -
                         ===================================================================
</TABLE>


I.     Gain on Sale of Building

       During 2000, the Company will consolidate its Colorado  operations into a
       new  60,000  square  foot  leased  facility.   In  anticipation  of  this
       consolidation,  the Company sold its Colorado  facility in December 1999,
       recognizing  a $1.4 million  gain,  and entered into a lease with the new
       owner to facilitate the transition into the new facility.









                                     - 42 -

<PAGE>

                        REPORT OF INDEPENDENT ACCOUNTANTS




To The Board Of Directors and Stockholders
of Helix Technology Corporation:


         Our report on the consolidated financial statements of Helix Technology
Corporation  is included on Page 23 of this Form 10-K.  In  connection  with our
audits of such financial statements,  we have also audited the related financial
statement schedule listed in the index on Page 14 of this Form 10-K.

         In our opinion,  the financial  statement  schedule  referred to above,
when considered in relation to the basic financial  statements taken as a whole,
presents  fairly,  in all  material  respects,  the  information  required to be
included therein.







/s/PricewaterhouseCoopers LLP
- -----------------------------
PricewaterhouseCoopers LLP
Boston, Massachusetts
January 21, 2000







                                     - 43 -


<PAGE>

<TABLE>

                          HELIX TECHNOLOGY CORPORATION
                                QUARTERLY RESULTS
                                   (UNAUDITED)


<CAPTION>
                                                          First          Second         Third         Fourth
(in thousands except per share data)                     Quarter         Quarter       Quarter        Quarter
- -------------------------------------------------------------------------------------------------------------
1999
<S>                                                       <C>            <C>            <C>           <C>
Net sales                                                 $25,900        $32,533        $39,036       $41,920
Gross profit                                               10,789         14,154         17,605        19,354
Operating income                                            1,566          4,004          6,510         7,930
Net income                                                  1,260          2,992          4,785         6,827
Basic net income per share                                $  0.06        $  0.13        $  0.21       $  0.31
Diluted net income per share                              $  0.06        $  0.13        $  0.21       $  0.30

1998
Net sales                                                 $31,494        $25,706        $18,550       $19,595
Gross profit                                               14,702          9,955          5,948         7,367
Operating income (loss)                                     2,821         (1,873)        (4,765)         (944)
Net income (loss)                                           1,866           (434)        (3,431)           79
Basic net income (loss) per share                         $  0.08        $ (0.02)       $ (0.15)      $  0.00
Diluted net income (loss) per share                       $  0.08        $ (0.02)       $ (0.15)      $  0.00

</TABLE>













                                     - 44 -


<PAGE>


                          HELIX TECHNOLOGY CORPORATION
                 SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

              For the Years Ended December 31, 1999, 1998 and 1997

                                 (in thousands)


<TABLE>
<CAPTION>

                                                                          Additions
                                                                 ---------------------------
                                                  Balance at     Charged to       Charged to    Deductions   Balance at
                                                   Beginning     Costs and          Other          from      at End of
                 Description                       of Period      Expenses         Accounts      Reserves     Period
- -----------------------------------------------------------------------------------------------------------------------

Year ended December 31, 1999
<S>                                                 <C>             <C>            <C>            <C>          <C>
    Allowance for doubtful accounts                 $228            $   63         $   -          $  106       $185
===================================================================================================================
    Warranty                                        $297            $  742         $   -          $  748       $291
===================================================================================================================


Year ended December 31, 1998
    Allowance for doubtful accounts                 $240            $    5         $   -          $   17       $228
===================================================================================================================
    Warranty                                        $292            $1,375         $   -          $1,370       $297
===================================================================================================================


Year ended December 31, 1997
    Allowance for doubtful accounts                 $238            $   17         $   -          $   15       $240
===================================================================================================================
    Warranty                                        $303            $1,614         $   -          $1,625       $292
===================================================================================================================
</TABLE>











                                     - 45 -




                            THIRD AMENDMENT OF LEASE

         THIS THIRD  AMENDMENT  OF LEASE dated as of July 26, 1999  between LONG
GATE LLC ("Landlord") and HELIX TECHNOLOGY CORPORATION ("Tenant").

                                   BACKGROUND

         Landlord is the current  Landlord (as  successor to Mansfield  Commerce
Realty  Trust) and Tenant is the Tenant  under a Lease dated as of July 24, 1984
as amended by First  Amendment to Lease dated May 9, 1989 and Amendment to Lease
(the  "Second  Amendment")  dated as of  September  19,  1994 (the  "Lease")  of
premises  at 375 Forbes  Boulevard,  Mansfield,  Massachusetts.  The term of the
Lease will expire on September 30, 1999.  The parties  desire to extend the term
of the Lease and to otherwise amend the Lease, all as hereinafter set forth.

                                   WITNESSETH

         NOW THEREFORE, Landlord and Tenant hereby agree as follows:

1. The term of the Lease is hereby extended for the period commencing on October
1, 1999 and  terminating on September 30, 2004.  Except as herein  amended,  all
terms of the Lease shall continue in full force and effect.

2. The fixed rent payable under  Section 5(a) of the Lease shall be  $430,252.50
from October 1, 1999 through  September  30,  2000;  $444,594.50  per annum from
October 1, 2000 through  September  30,  2002;  and  $458,936.00  per annum from
October 1, 2002 through  September  30, 2004.  Such fixed rents shall be paid in
advance in equal monthly installments on the first day of each month.

3.  Section 4 of the Second  Amendment  is hereby  deleted from the Lease in its
entirety.

4.  Tenant  shall have one (1) option to extend the term of the Lease for a five
(5) year period (the "Option Period"),  provided (a) Tenant shall give notice to
Landlord of its exercise of such option prior to October 1, 2003, (b) no default
beyond any applicable  grace period in the obligations of Tenant under the Lease
shall exist at the time such notice is given and (c) Tenant  shall not have been
in default under the Lease beyond any  applicable  grace period on more than two
(2) occasions prior to the  commencement of the Option Period.  All of the terms
and provisions of the Lease shall be applicable  during the Option Period except
that (a) Tenant  shall have no option to extend the term of the Lease beyond the
Option Period and (b) the fixed rent payable under Section 5(a) of the Lease for
the Option  Period  shall be the  greater of (i) the fixed  rent  payable  under
Section 5(a) of the Lease for the year ending  September 30, 2004 or (ii) 95% of
the Market Rent, as defined below, as of the first day of the Option Period.
<PAGE>

         "Market Rent" shall be computed as of the  applicable  date at the then
current  rentals  being charged to new tenants for  comparable  space located in
comparable  buildings in the industrial  park in which the Premises are located,
taking into account and giving effect to, in determining comparability,  without
limitation,  such considerations as size, location and condition of premises and
lease term.

         Landlord shall initially  designate  Market Rent and shall furnish data
in  support  of such  designation.  If Tenant  shall  disagree  with  Landlord's
designation  of the Market  Rent,  then Tenant  shall have the right,  by notice
given  within  fourteen  (14) days  after  Tenant  shall have been  notified  of
Landlord's  designation,  to submit such Market Rent to  arbitration as follows.
Market Rent shall be determined by arbitrators, one chosen by Tenant, one chosen
by  Landlord  and a  third  selected,  if  necessary,  as  below  provided.  All
arbitrators  selected  under  this  Section  shall be  experienced  real  estate
appraisers  with  substantial  experience with properties in the vicinity of the
Premises.  If within  fourteen (14) days after Tenant's notice the parties shall
agree  upon a  single  arbitrator  or if one  party  shall  fail  to  select  an
arbitrator,  the arbitrator  selected by the other shall be the sole arbitrator,
and Market Rent shall be determined by such  arbitrator.  The unanimous  written
decision  of the two first  chosen (or the  decision  of the first,  if a second
arbitrator  is not  chosen)  without  selection  and  participation  of a  third
arbitrator,  or  otherwise  the  written  decision  of a  majority  of the three
arbitrators  chosen and selected as provided  herein,  shall be  conclusive  and
binding  upon  Landlord  and Tenant.  Landlord  and Tenant shall each notify the
other of its chosen  arbitrator within fourteen (14) days following the call for
arbitration,  and,  unless  such two  arbitrators  shall have  either  reached a
unanimous  decision  within thirty (30) days after their  designation or jointly
selected a third  arbitrator,  they shall so notify  the then  President  of the
local Real Estate Board and request him to select an impartial third  arbitrator
to act hereunder.  Such third arbitrator and the first two chosen shall hear the
parties and their  evidence and render their  decision  within  thirty (30) days
following the conclusion of such hearing and notify Landlord and Tenant thereof.
Landlord  and Tenant  shall bear the  expense of the third  arbitrator  (if any)
equally.  If the  dispute  between  the parties as to Market Rent shall not have
been resolved before the  commencement of Tenant's  obligation to pay rent based
upon  Market  Rent,  then  Tenant  shall pay rent  based  upon the  Market  Rent
designated  by  Landlord  until  either the  agreement  of the parties as to the
Market  Rent or the  decision of the  arbitrators,  as the case may be, at which
time Tenant  shall pay any  underpayment  of rent to Landlord or Landlord  shall
refund any overpayment of rent to Tenant.


<PAGE>



         WITNESS the execution hereof as an instrument under seal as of the date
first above written.

                                  LANDLORD:
                                  LONG GATE LLC


                                  By:      /s/ Cynthia Sarver
                                           ------------------------------
                                           Cynthia Sarver
                                           Its VP



                                  TENANT:
                                  HELIX TECHNOLOGY CORPORATION



                                  By:      /s/Michael El-Hillow
                                           ------------------------------
                                           Michael El-Hillow
                                           Its Chief Financial Officer



                                      LEASE
                               Boulder Tech Center


         THIS LEASE  ("Lease"),  dated May 14,  1999,  is between MUM IV, LLC, a
Colorado   limited   liability   company   ("Landlord")   and  Helix  Technology
Corporation, a Delaware corporation ("Tenant").

         For  and  in  consideration  of the  covenants  and  agreements  herein
contained, Landlord and Tenant hereby agree as follows:

            Section 1.     ADDITIONAL DEFINED TERMS

         In addition to those terms  defined in the  introductory  paragraph  of
this Lease,  the following terms shall have the following  meanings when used in
this Lease:

         (a)  Estimated  Operating  Cost:  An amount  equal to Two  Dollars  and
Forty-five  Cents ($2.45) per square foot per calendar year, which represents an
estimate  of the  Operating  Cost for the entire  year in which the Term of this
Lease begins.

         (b) Base Rent:  The annual  amount of rent payable with respect to each
Lease Year during the term of this Lease  payable as set forth in Section  4(a).
The amount of the Base Rent for the first Lease Year shall be Eight  Dollars and
Ninety-Five Cents ($8.95) per square foot of Rentable Area of the Premises.  The
amount of the Base Rent for all Lease  Years after the first Lease Year shall be
calculated in the manner set forth in Section 4(a). During each Lease Year, Base
Rent shall  include the previous  year's Base Rent and any rental  increase from
the previous year.

         (c)  Building:  The  building to be  constructed  by Landlord  upon the
Premises pursuant to Section 10 of this Lease, the plans and  specifications for
which are shown on Exhibit B  attached  hereto,  which  building  shall  contain
approximately  60,906 (sixty thousand nine hundred six) Rentable Square Feet and
shall have two (2) floors.

          (d)  Commencement  Date: The date the Term of this Lease  commences as
determined in accordance with provisions of Section 30.

          (e) Default Rate: An annual rate of interest equal to fifteen  percent
(15%).

          (f)     Lease Year:

                  (i) For the First  Lease  Year,  the period  beginning  on the
Commencement Date and ending on the last day of the same calendar month in which
the Commencement Date occurred in the next calendar year; and
<PAGE>

                      (ii) For  Lease  Years  after the First  Lease  Year,  the
twelve-month period beginning on the next day following the
expiration of the preceding Lease Year.

          (g)     Operating Cost:  As defined in Section 6(b).

          (h)  Parking  Lot:  The  on-grade  parking  lot to be  constructed  by
Landlord upon the Premises  pursuant to Section 10 of this Lease and as shown on
Exhibit B attached  hereto,  containing not less than 150 parking spaces for use
by passenger motor vehicles.

          (i) Premises:  That certain parcel of real property  described as: Lot
2E,  Block 3,  REPLAT  E,  BOULDER  TECH  CENTER,  County of  Boulder,  State of
Colorado,  as shown on the  recorded  plat  attached  hereto  as  Exhibit  A and
incorporated  herein (such plat has been  recorded on Planfile  P-39,  F-1, #23)
together with the Building, the Parking Lot and all other improvements from time
to time  hereafter  located  on such  parcel  of real  property  and any and all
appurtenant rights relating thereto.

          (j) Term: The period  beginning at noon on the  Commencement  Date and
ending  at  11:59  p.m.  on the  last day of the  calendar  month  in which  the
fifteenth (15th) anniversary of the Commencement Date occurs.

         (k) Rentable Area or Rentable  Square Feet: The sum of the area of each
story of the Building  expressed in square feet measured from the outside of the
exterior walls.

         Section 2.   LEASE OF PREMISES

         Landlord  hereby  leases to  Tenant,  and  Tenant  hereby  leases  from
Landlord,  the Premises. The Premises are leased on the terms and conditions set
forth in this Lease.

         Section 3.   TERM

         The term of this Lease  shall be as set forth in Section  1(j),  unless
sooner terminated or extended pursuant to the terms of this Lease.

         Section 4.   RENT

         (a) Tenant shall pay Landlord  during each Lease Year the Base Rent, in
equal monthly  installments in the amount of one-twelfth of the Base Rent on the
Commencement Date and on the first day of each succeeding  calendar month during
the Term of this Lease;  provided that the rent payable on the Commencement Date
shall be prorated for the remaining days left in the calendar month in which the

<PAGE>

Commencement  Date occurs.  Except as  expressly  set forth in this Lease to the
contrary,  all payments of Base Rent shall be paid in advance,  without  notice,
set-off or deduction,  in lawful money of the United  States,  at the address of
Landlord  set forth in  Section  40 of this  Lease,  or at such  other  place as
Landlord may from time to time designate in writing.

         The  amount of the Base Rent for each year  after the first  Lease Year
shall be  increased.  The Base Rent  shall  increase  at such times by an amount
determined  by  multiplying  the  amount  of the  Base  Rent in  effect  for the
preceding Lease Year by an escalation factor which factor shall be calculated in
the following manner.

                  (i) For the  Lease  Years  two  through  5 of the  term  of
the Lease the escalation factor shall be two percent (2%) annually.

                  (ii) For the 6th  through  the 10th  years  of the  Lease  the
escalation  factor  for each Lease Year  shall be  calculated  in the  following
manner:  1) Calculate the average annual change in Lease Years 3, 4 and 5 of the
All Items Revised  Consumer Price Index for All Urban Consumers,  CPI-U,  Denver
(1982-84  equals 100), as  determined by the United States  Department of Labor,
Bureau of Labor  Statistics  ("CPI").  2) Add the annual  increase  used for the
initial five Lease Years (two percent (2%)) to the average  increase  calculated
in 1) above, but if the average increase  calculated in (1) above is higher than
10%, use 10% as the  calculation  of (1) above;  3) Divide the sum by two.  This
result  will be the  escalation  factor for Lease  Years 6 through 10. By way of
example,  if the average  annual CPI increase  during Lease Years 3, 4 and 5 was
1%, you would add 2% to 1% for a sum of 3%, then divide that sum by two,  for an
annual  increase  in the rental rate for Lease Years 6 through 10 of 1 1/2 % per
year.

                  (iii)  For the  11th  through  the 15th  Lease  Years  of the
Lease the  escalation  factor for each Lease  Year  shall be  calculated  in the
following manner: 1) Calculate the average annual change in Lease Years 8, 9 and
10 of the All Items Revised Consumer Price Index for All Urban Consumers, CPI-U,
Denver  (1982-84  equals 100), as determined by the United States  Department of
Labor, Bureau of Labor Statistics. 2) Add the annual increase used for the Lease
Years 6 through 10 to the average  increase  calculated in 1) above,  but if the
average  increase  calculated  in (1) above is higher  than 10%,  use 10% as the
calculation  of (1) above;  3) Divide the sum by two.  This  result  will be the
escalation  factor for Lease  Years 11  through  15. By way of  example,  if the
average  annual CPI  increase  in Lease  Years 8, 9 and 10 was 20% and using the
previous  example's  result where the annual increase for Lease Years 6-10 was 1
1/2%, you would add 1 1/2% to 10% for
<PAGE>

a sum of 11 1/2%,  then  divide that sum by two,  for an annual  increase in the
rental rate for Lease Years 11-15 of 5 3/4%.

         In no event shall the Base Rent for any Lease Year ever decrease  below
any  previous  Lease  Year's Base Rent.

         (b) If the  index  specified  in  Section 4(a) above is discontinued in
its current form, or if the basis on which it was calculated  should be revised,
an  appropriate  conversion  of the revised  index to a common base will be made
upon  conversion  factors  published by the Bureau of Labor  Statistics  or upon
conversion factors otherwise made available.

         (c) For Lease Years 6 through 15, in the event that Tenant has not been
notified of the escalation  factor and the resulting  adjustment in Base Rent by
the first day of a Lease Year,  the first  monthly  rental  payment of Base Rent
which includes new increased rent shall also include the new increased  rent, if
any,  for each  month in the then  current  Lease Year  which  elapsed  prior to
Tenant's  receipt of Landlord's  notice.  The Base Rent due  hereunder  shall be
apportioned  for any fractional  calendar months at the beginning and end of the
Term of this Lease and any renewals and extensions thereof.

         (d) In addition to the Base Rent (as increased each Lease Year), Tenant
shall pay Landlord in monthly  installments  simultaneously with payments of the
Base Rent, one-twelfth (1/12th) of the Estimated Operating Cost (or new estimate
of Operating Cost)  determined as set forth in Section 6, and such other charges
as are required by the terms of this Lease to be made by Tenant,  including, but
not limited to, 100% of the Operating Cost  adjustment.  Any such  adjustment or
charge shall be deemed to be additional  rent and shall be payable in the manner
provided for the payment of Base Rent and shall be recoverable as Base Rent, and
Landlord shall have all rights against Tenant for default in payment  thereof as
in the case of arrears of Base Rent.

         (e) In the  event  the  Building  as  constructed  by  Landlord  is not
substantially  in  accordance  with the plans  and  specifications  provided  in
Exhibit B and as a result the Rentable  Area of the Building is less than 60,906
Rentable  Square  Feet,  Tenant  shall have the right  within  thirty  (30) days
following the Commencement Date to cause the Rentable Area of the Building to be
measured by the Architect (as defined in Section 10), at Landlord's expense, and
the Base  Rent  hereunder  shall  be  reduced  on a pro  rata  basis by the same
percentage  amount by which the Rentable  Area is less than 60,906  square feet.
Promptly  after  such  measurement,  Landlord  and  Tenant  shall  enter into an
amendment to this Lease documenting the Base Rent to be paid hereunder.

         Section 5.   USE

         (a)  Tenant  shall  use and  occupy  the  Premises  for  manufacturing,
warehousing,  offices and other uses incidental thereto and for no other purpose
<PAGE>


without Landlord's consent, which shall not be unreasonably withheld, delayed or
conditioned and shall be deemed to be given if Landlord has not responded within
ten (10)  days of  Tenant's  request  for such  consent.  Tenant  shall  use the
Premises  in a careful,  safe and proper  manner and shall not use or permit the
Premises to be used for any purpose  prohibited by the  certificate of occupancy
issued  for the  Premises  or the  laws of the  United  States  or the  State of
Colorado,  or the  ordinances  of the  County of  Boulder.  Neither  Tenant  nor
Landlord  shall do or permit to be done any act or thing upon the Premises which
shall or might subject the other to any liability or  responsibility  for injury
to any person or persons or to property by reason of any  business or  operation
carried on upon the Premises or for any reason.

         (b) In the event that any official shall  hereafter at any time contend
or declare by notice,  violation,  order or in any other manner  whatsoever that
the  Premises  are  used  for a  purpose  which is a  violation  of any  permit,
certificate  of  occupancy,  statute,  ordinance  or  other  requirement  of law
applicable to the Premises,  Tenant  shall,  upon ten (10) days' written  notice
from Landlord, immediately discontinue such use of the Premises.

         (c) Tenant, at its sole expense, shall comply with all laws, orders and
regulations of federal,  state, county and municipal  authorities,  and with any
direction  of any public  officer or  officers,  pursuant  to law,  which  shall
declare any  violation or impose any order or duty upon  Landlord or Tenant with
respect to the Premises,  or the use or occupation thereof.  Notwithstanding the
foregoing,  Tenant shall not be obligated to comply with any such laws,  orders,
or  regulations,  including but not limited to the Americans  With  Disabilities
Act, which (a) relate to the design or construction of the Premises,  (b) relate
to the  structural  portions  of the  Premises,  or (c) may  require  structural
alterations, structural changes, structural repairs or structural additions, all
of which  shall be the  obligation  of  Landlord  at its sole cost and  expense;
provided,  however,  if such laws, orders or regulations  relate to the specific
type or nature of the business being conducted or to be conducted by Tenant upon
the Premises or to the specific accommodations made or to be made for certain of
Tenant's  employees  as  opposed  to  being  related  to  industrial  or  office
buildings, generally, Tenant shall nevertheless be required to comply with them.
Without limiting the generality of the foregoing,  but subject to the proviso in
the  preceding  sentence,  Landlord,  at it sole  cost  and  expense,  shall  be
responsible  for complying with the applicable  provisions of the Americans With
Disabilities Act and the regulations and Accessibility  Guidelines for Buildings
and Facilities  issued pursuant thereto,  as same may be amended  (collectively,
the "ADA"),  relating to (i) the design and construction of the Premises and the
work within the Premises to be performed by Landlord pursuant to this Lease, and
(ii) the structural portions of the Premises (collectively, "Landlord's Work").

         Section 6.   OPERATING COST ADJUSTMENT
<PAGE>

         (a) If in any  calendar  year the  Operating  Cost is greater  than the
Estimated  Operating  Cost,  Tenant shall pay to Landlord as additional  rent an
amount equal to such excess. Any amount payable by Tenant to Landlord under this
Section 6 shall be paid within thirty (30) days after written  notice thereof by
Landlord,  such notice to be given by  Landlord  not later than March 31 of each
calendar  year.  Landlord  may,  either prior to the  beginning of or during any
calendar year,  compute a bona fide estimate of Operating Cost for such calendar
year. Upon receipt of written notice thereof,  Tenant shall pay to Landlord,  in
monthly  installments  simultaneously  with  payments of Base Rent under Section
4(a),  one-twelfth of such new estimate of Operating Cost. An annual  adjustment
shall be made  between the  parties  within  thirty  (30) days after  Landlord's
determination of Operating Cost. Any amounts of excess estimated  Operating Cost
which Landlord is required to return may be offset by accrued amounts payable by
Tenant to Landlord.  If the term of this Lease ends before the end of a calendar
year,  any amount  payable by Tenant or  Landlord  in respect of that year under
this Section 6 shall be adjusted  proportionately on a daily basis utilizing the
previous year's  determination of Operating Costs and the obligation to pay such
amount shall survive the expiration or earlier termination of this Lease.

         (b) As used  in this  Lease,  "Operating  Cost"  means  an  amount  per
calendar year  (projected to an annual figure for the calendar year in which the
Premises is first occupied) which  represents the actual  Operating Cost for any
calendar  year  during  the Term of this  Lease.  The  Operating  Cost  shall be
determined by Landlord and shall be equal to the sum of the items of cost listed
in Section  6(b)(i) and  Section  6(b)(ii)  but not the items  listed in Section
6(b)(iii) in respect of a calendar year:

                  (i)  All  general  and  special  real  estate  taxes,  special
assessments,  assessments  for  improvements,  special  district or  improvement
district assessments,  water charges,  sewer charges, vault charges and other ad
valorem taxes, rates, levies and assessments payable in respect of the Term upon
or in respect of the Premises imposed by any governmental or  quasi-governmental
authority  and all taxes  specifically  imposed in lieu of any such  taxes,  but
excluding  any  inheritance,  estate,  succession,  transfer,  gift,  franchise,
corporation,  income,  rental or profit tax or capital  levy imposed on Landlord
("Taxes").  If due to a future change in the method of taxation,  any franchise,
income, profit or other tax shall be levied against Landlord in whole or in part
in lieu of any tax which would  otherwise  constitute one of the foregoing taxes
or charges or if there  shall be levied  against  Landlord a tax or license  fee
measured by gross rents, such franchise,  income, profit or other tax or license
fee shall be deemed to be a real estate tax for the purposes  hereof.  The taxes
described in this Section 6(b)(i) shall also include all of Landlord's expenses,
including,  but not limited  to,  attorney's  fees,  incurred by Landlord in any
effort to minimize  such taxes,  whether by  contesting  proposed  increases  in
assessments   or
<PAGE>

by any other means or procedures appropriate in the circumstances; provided that
Landlord and Tenant shall agree to the  procedures to be taken prior to Landlord
taking such procedures. If Landlord secures an abatement or refund of any Taxes,
Landlord  shall  pass such  abatement  through  to the  Tenant as a credit to be
applied  against rent next becoming due, or if no further rent is due by Tenant,
by cash payment from Landlord to Tenant.

               (ii)  Except as  otherwise  set forth in this  Lease,  all costs,
charges and expenses (not directly  reimbursed by insurance  proceeds) which are
attributable  to  the  ownership,  operation,  maintenance  and  repair  of  the
Premises,  including,  but not limited to, reasonable  management fees that fall
within  industry  standards  for the Boulder  area,  building  supplies,  window
cleaning services, normal maintenance and repair of the Premises,  including but
not limited to, heating and air  conditioning  systems,  electrical and plumbing
systems,  elevator  system,  landscaping,  snow removal,  Parking Lot repair and
maintenance, insurance (including boiler and machinery, loss of rent, accidental
and direct  physical loss,  all risk,  public  liability and other  insurance as
provided in Section 20) and labor costs incurred in the operation or maintenance
of the Premises. Except as provided in Section 6(a)(iii), and except for repairs
and replacements for which Landlord is reimbursed from insurance  proceeds,  all
repairs and  replacements  shall  either be made by Tenant  directly or shall be
made by Landlord at Tenant's expense as an Operating Cost.

         Operating  Costs  shall be based upon  competitive  charges for similar
services  and  materials  that are  available  in the  general  vicinity  of the
Premises.  Operating  Costs  shall be reduced by the  proceeds of  insurance  or
eminent  domain awards of settlement  received by Landlord with respect to items
of Operating Cost (or the amount of any proceeds or awards which would have been
received  if  Landlord  had  carried  the  insurance  required  by this Lease or
diligently  pursued its rights,  as the case may be) or recoveries from warranty
claims.  Landlord  shall  not be  permitted  to  recover  more  than the  actual
out-of-pocket  cost incurred by Landlord on a non-profit basis for the Operating
Cost.  The Operating  Cost shall be determined on a "cash basis" and costs which
may  be  paid  in  installments   without  finance  charges  shall  be  paid  in
installments.  Promptly  upon  receipt  thereof,  Landlord  shall pay Tenant any
refund or recovery made with respect to any Operating  Cost  previously  paid by
Tenant.

                  (iii) The  following  expenses and costs shall not be included
within the "Operating Costs" for the Premises: Costs incurred in connection with
the original construction of the Premises or in connection with any major change
in the Premises; depreciation,  interest and principal payments on mortgages and
other debt costs,  if any; costs of correcting  patent and/or latent defects in,
or design errors relating to the design, or construction of the Building located
on the  Premises;  costs for which  the  Landlord  is  reimbursed  by  insurance
proceeds; costs associated with the operation of the business of the Landlord as
a separate entity, as the same are
<PAGE>

distinguished from the cost of operating the Premises; the wages and benefits of
any executive or other  employee at or above the level of building  manager,  or
any employee who does not devote  substantially  all of his or her employee time
to the  Premises  unless such wages and  benefits  are  prorated to reflect time
spent on operating and managing the Premises;  fines,  penalties and  interests;
tax penalties incurred as a result of the Landlord's negligence,  inability,  or
unwillingness  to make  payments  when  due;  any  expense  resulting  from  the
negligence of, or any violation of law by, Landlord or its agents,  contractors,
employees   or   invitees;   and   Landlord's   general   overhead  and  general
administrative expenses. Except where the need for repair or replacement results
from the  negligence  of Tenant or its agents,  employees or  invitees,  or as a
result of the operations of Tenant's  business,  Landlord shall, upon reasonable
notice from Tenant and at its expense and without reimbursement by Tenant (other
than from  insurance  proceeds from insurance  provided by Tenant),  perform all
replacement  of,  and  structural  repairs  to the  structural  portions  of the
Premises as are  necessary to keep the same in first class order,  condition and
repair,  reasonable  wear  and  tear  excepted.  For  purposes  of  this  Lease,
"structural  portions" of the  Premises  shall mean the  foundation,  supporting
members  of the roof,  floor  slabs,  exterior  walls,  structural  girders  and
columns,  load-bearing  walls and columns.  (It is acknowledged that movement of
floor  slabs is normal and not  generally  repaired  in first  class  industrial
buildings, unless the movement is excessive.)

         (c) Tenant shall have the right to inspect all documents reflecting any
part of the Operating  Costs and the  calculations  of any amount  payable under
Section 6(a) of this Lease,  and Landlord  shall  provide  written  receipts and
accounting  records  supporting  its itemized  statements  and  calculations  of
Operating  Costs  and the  amounts  due under  Section  6(a) once each year upon
request by Tenant.  If Tenant wishes to dispute the  determination  of Operating
Costs under Section 6(a) or the  calculation of any amount payable under Section
6(a),  Tenant shall give Landlord  written  notice of such dispute within ninety
(90) days after receipt of notice from Landlord of the matter giving rise to the
dispute.  If Tenant does not  provide  Landlord  such  notice  within such time,
Tenant shall have waived its right to dispute such determination or calculation.
Promptly after the giving of such written notice,  Tenant shall cause to be made
a complete  audit of Landlord's  records  relating to the matter in dispute by a
nationally  recognized firm of independent certified public accountants mutually
agreed  upon by Landlord  and  Tenant.  The cost of such audit shall be borne by
Tenant unless such audit discloses an error which  overstated  Operating Cost by
more than two percent (2%) of the amount determined by the audit, in which event
Landlord  shall  bear the cost of such  audit.  If such audit  reveals  that the
amount  previously  determined by Landlord was incorrect,  a correction shall be
made and either  Landlord  shall  promptly  return to Tenant any  overpayment or
Tenant shall promptly pay to Landlord any  underpayment  which was based on such
incorrect amount.  Notwithstanding the pendency of any dispute
<PAGE>

hereunder,  Tenant shall make payments based upon  Landlord's  determination  or
calculation  until  such  determination  or  calculation  has  been  established
hereunder to be incorrect.

         Section 7.   UTILITIES & CLEANING.

         Tenant shall  directly  contract for and pay for all utilities  serving
the  Premises,  including,  but not  limited to, gas,  steam,  water,  fuel oil,
electricity,  sewer charges,  telephone and communications systems and the like;
and Landlord shall not be  responsible  for or involved in the payment of or the
contracting for any said utilities. Likewise, Tenant shall directly contract for
and pay for janitorial  services and interior window cleaning and Landlord shall
not be responsible  for or involved in the payment of or contracting  for any of
said services.

         Section 8.   TAXES

         Tenant  shall pay before  delinquency  any and all taxes,  assessments,
license  taxes and other  charges  levied,  assessed or imposed and which become
payable during the Term of this Lease upon Tenant's operations at, occupancy of,
or conduct of business at the Premises or upon equipment, furniture, appliances,
trade fixtures and other  personal  property of any kind installed or located at
the Premises;  provided,  however, Tenant may pay such amounts after delinquency
to the extent that such delay is necessary  to Tenant's  good faith and diligent
contest of such  amounts,  but only so long as there is no risk of Tenant having
any of its assets or Landlord's  assets  foreclosed upon or seized by the taxing
authority.

         Section 9.   QUIET ENJOYMENT

         Landlord  covenants  and agrees with Tenant that upon Tenant paying the
Base Rent and  additional  rent  hereunder and observing and  performing all the
terms,  covenants  and  conditions of this Lease on Tenant's part to be observed
and  performed,  Tenant may peaceably  and quietly  enjoy the Premises  subject,
nevertheless, to the terms and conditions of this Lease and the matters shown as
items 8-20 on  Schedule B to the  Landlord's  title  policy,  a copy of which is
attached hereto as Exhibit D.

         Section 10.  PREPARATION OF PREMISES

         (a) Landlord  shall  Substantially  Complete (as defined in Section 30)
the work in the Premises required to be done by Landlord as specified in Exhibit
B attached hereto ("Landlord's Work"). All Landlord's Work shall be performed in
a good and  workmanlike  manner with new, first quality  materials in compliance
with all laws,  codes and all  regulations.  Landlord will obtain a fifteen (15)
year  warranty  on the roof  naming  the  Landlord  and  Tenant  on all  related
warranties. Landlord represents that the Premises will be in compliance with the
ADA. If Landlord's Work is not performed as herein required,  or if such work or
the Premises in not in  compliance  with all laws,  codes or other  regulations,
Landlord shall perform the
<PAGE>

necessary remedial work at its sole cost and expense.  Landlord and Tenant agree
that  Wyatt   Construction   Company  shall  be  the  general   contractor  (the
"Contractor") and RVP Architecture shall be the architect (the "Architect") used
by the parties for the purposes of performing  Landlord's Work subject to change
in the event of failure or inability  to perform.  Landlord  shall  exercise due
diligence in pursuit of completing Landlord's Work. Landlord shall permit Tenant
to have  access  to the  Premises  prior to the  commencement  of the  Lease for
purposes  of  inspecting  Landlord's  Work or  with  Contractor's  consent,  for
performing  work in the Premises.  Landlord agrees to proceed with due diligence
to complete any portion of Landlord's Work that shall not have been completed as
of the date of Substantial  Completion of the foregoing by not later than thirty
(30)  days  after  the  date  of  Substantial   Completion  (excluding  seasonal
landscaping, which shall be completed promptly as soon as the season permits).

         (b)  Except  for minor  changes  to comply  with  applicable  law or to
correct any mistakes in the plans or  specifications,  no change orders from the
plans and specifications set forth on Exhibit B shall be permitted,  unless duly
authorized representatives of both Tenant and Landlord shall agree to the change
order in writing. Each change order shall set forth the changes in the plans and
specifications and an estimate of the increase in the price to be charged by the
Contractor and any delay in the construction schedule. Thereafter, within thirty
(30) days after receipt of documentation  showing the amount charged to Landlord
by the Contractor for the change order, Tenant shall reimburse Landlord for such
amount,  unless such amount is more than 10% more than the estimate set forth in
the change  order,  in which event  Tenant  shall pay Landlord the amount of the
estimate plus 10% of the amount of the estimate.

         (c) Landlord acknowledges that it is a material provision of this Lease
that Landlord  deliver the Premises to Tenant by the date Landlord sets forth in
its Official Estimate  (defined below) and in the condition  provided herein. An
Initial  Estimate  date shall be provided by Landlord to Tenant  within  fifteen
(15)  days  after  the  appropriate  building  permit  has  been  issued  by the
government authorities. In no case shall the Initial Estimate date be later than
the  Substantially  Complete date set forth in Section 30 herein. In recognition
thereof,  Landlord agrees to provide Tenant with preliminary  written statements
signed by both Landlord and the Contractor on the first day of each month,  from
and after the commencement of construction  until the  Commencement  Date of the
Lease,  detailing the status of Landlord's Work compared to the Initial Estimate
date and/or the Official  Estimate  date and the estimated  date of  substantial
completion of Landlord's Work.  Landlord's  preliminary estimates may change the
Initial  Estimate date of substantial  completion of Landlord's  work (reference
Section 30);  provided that once  Landlord's  estimate of such date falls within
ninety (90) days of the date of the  Substantial  Completion  date,  it shall be
referred to as the "Official Estimate".  In the event that the
<PAGE>
Commencement  Date occurs on or after that date which is fifteen  (15) days plus
any days of delay caused by change orders or Tenant's work on the Premises after
the  Commencement  Date set  forth in the  Official  Estimate,  Tenant  shall be
entitled to a rent reduction equal to $750.00 times the number of days after the
fifteenth day plus any days of delay caused by change orders or Tenant's work on
the Premises after the Commencement Date set forth in the Official Estimate, but
before the actual Commencement Date.

         Section 11.  ACCEPTANCE OF PREMISES

         Taking  possession  of the  Premises  by  Tenant  shall  be  conclusive
evidence  as against  Tenant  that the  Premises  were in good and  satisfactory
condition  when  Possession  was taken subject to correction (by Landlord at its
expense) of punch list or other  defective  items disclosed to Landlord prior to
taking  of  possession  of  the  Premises  by  Tenant,  defects  not  reasonably
discoverable  prior to taking  possession  and  disclosed  to Landlord  within a
reasonable period of time after discovery of same by Tenant, but no later ninety
(90) days after taking possession of the Premises,  and latent defects disclosed
to Landlord within a reasonable time after discovery of same by Tenant.

         Section 12.  ACCESS TO PREMISES

         Landlord  and  Tenant  acknowledge  that  Tenant  shall  be  performing
confidential  work within the  Premises,  which  confidential  work shall not be
accessible to Landlord. Accordingly, Landlord agrees that it will cooperate with
Tenant  so as to  preserve  the  confidentiality  of  Tenant's  work  (and  such
cooperation  shall include,  but not be limited to, if requested by Tenant,  the
execution of  confidentiality  agreements  by Landlord and its agents,  assigns,
employees and contractors,  and other reasonable  measures to preserve  Tenant's
confidentiality).  Unless Tenant shall consent to a shorter time,  Landlord will
provide  at least  twenty-four  (24)  hours  advance  notice to Tenant  prior to
entering the Building, will schedule with Tenant the time and place of all entry
by Landlord or its agents,  assigns,  employees  or  contractors,  and will only
enter upon the Building with a duly-authorized  representative of Tenant, except
in the event of an  emergency.  Landlord  agrees to use its best  efforts not to
interfere unreasonably with the Tenant or the Tenant's business in the course of
exercising its rights under this paragraph.

         Section 13.  ALTERATIONS BY TENANT

         (a)  Other  than  interior,   non-structural  alterations,   for  which
Landlord's   consent  is  not  required,   Tenant  shall  make  no  alterations,
decorations,  installations,  additions  or  improvements  in or to the Premises
without first obtaining the written consent of Landlord. Tenant understands that
Landlord's  consent will be conditioned on Tenant's  compliance  with Landlord's
requirements  as  in  effect  at  the  time   permission  is  requested,   which
requirements will include,  but not be limited to Landlord's  approval of plans,
specifications,  contractors, insurance, and hours of
<PAGE>

construction.  Prior to the  commencement  of any work in or to the  Premises by
Tenant's contractor,  Tenant shall comply with all applicable laws (for example,
by obtaining a building permit if required), and Tenant shall on request deliver
to Landlord  certificates issued by applicable  insurance  companies  evidencing
that workmen's  compensation and public liability  insurance and property damage
insurance,   all  in  amounts  and  with  companies,  and  on  forms  reasonably
satisfactory  to  Landlord,  are in  force  and  effect  and  maintained  by all
contractors and subcontractors engaged by Tenant to perform such work. Each such
certificate  shall provide that it may not be cancelled  without ten days' prior
written notice to Landlord.

         (b) All  articles of personal  property,  and all movable  business and
trade  fixtures,  machinery and  equipment,  cabinetwork,  furniture and movable
partitions owned or installed by Tenant at its sole expense (and with respect to
which no credit or allowance  was granted to Tenant by Landlord) in the Premises
shall  remain the  property  of Tenant and may be removed by Tenant at any time,
provided  that Tenant,  at its expense,  shall repair any damage to the Premises
caused by such removal. All alterations, decorations,  installations,  additions
or  improvements  in or to the Premises other than those  specified in the first
sentence of this Section 13(b) shall,  upon the completion  thereof,  become the
property of Landlord and shall be surrendered to Landlord upon the expiration or
other  termination  of the Term of this  Lease.  Landlord  may elect to  require
Tenant to remove all or any part of the property described in the first sentence
of this Section 13(b) at the expiration or other termination of the Term of this
Lease, in which event such removal shall be done at Tenant's expense, and Tenant
shall, at its expense, repair any damage to the Premises caused by such removal.

         (c) Tenant shall be solely responsible for the consequences of Tenant's
repairs and  alterations on the Premises'  structure and on the operation of its
systems,  such  as  heating,  air  conditioning,   ventilating,  electrical  and
plumbing,  whether or not Tenant had received Landlord's consent to such repairs
or alterations pursuant to this Section 13.

         Section 14.  MAINTENANCE AND REPAIRS

         (a) Except for the maintenance,  repairs and  replacements  Landlord is
required to make pursuant to Section  13(b) of this Lease,  and except for items
expressly  excluded from Operating Costs under Section  6(b)(iii),  Tenant shall
take good care of the Premises and the fixtures and improvements  therein,  and,
at its sole cost and expense, make repairs,  restorations or replacements as and
when needed to keep the  Premises in first class order,  condition,  and repair,
reasonable wear and tear excepted.  If Tenant fails,  after notice to Tenant and
the lapse of applicable  grace periods in accordance  with Section 31(b) of this
Lease, to make any repairs, restorations or replacements required by this Lease,
Landlord  may  (but  without  any  obligation  to  do  so)  make  such  repairs,
restorations,  or  replacements  at the

<PAGE>

reasonable  expense of Tenant and such expense  shall be due within  thirty (30)
days of receipt by Tenant of written  notice by Landlord,  as  additional  rent.
Tenant  shall  comply with all  provisions  of Section 13 and Section 15 of this
Lease in connection with such repairs, restorations and replacements.

         (b)  Subject to  Section  14(c),  (d) and (e)  hereof,  and  subject to
Tenant's  reimbursement  of  Landlord as  provided  in Section  6(b)  hereunder,
Landlord  shall act as property  manager for the Premises and, in such capacity,
shall be responsible for the operation,  maintenance and repair of the Premises,
including but not limited to: Building  maintenance,  exterior window  cleaning,
normal  maintenance  and  repair  of the  Premises  (including  heating  and air
conditioning systems, electrical and plumbing systems,  landscaping,  roof, roof
membrane,  elevator system, utility systems,  Parking Lot, and snow removal) and
security  outside  of  the  Building.  In  addition,  Landlord  shall  make  the
structural  repairs and  replacements to the structural  portion of the Premises
that  Landlord is required to make,  at  Landlord's  cost and  expense,  without
reimbursement from Tenant, pursuant to Section 6(b)(iii) of this Lease.

         (c)  Landlord  agrees not to assign its  responsibilities  as  property
manager of the Premises to any other person or entity  without  first  providing
written  notice  to  Tenant  and  obtaining  Tenant's  written  consent  to such
assignment.

         (d)  Landlord  agrees,   by  not  later  than  45  days  prior  to  the
Commencement  Date,  to  provide  Tenant's  Facilities  Manager  with a detailed
property  management plan for the Premises,  including  proposed staffing levels
and  standards of  management  and  maintenance  of the  Premises.  Tenant shall
respond  with its  comments or approval of such plan within  thirty (30) days of
receipt of the management plan and to any revised submittal within ten (10) days
of its receipt of the same. Landlord and Tenant shall discuss who Landlord shall
hire or contract  with as major service  providers  for the  Premises.  Landlord
shall have yearly  inspections  of the roof as required by the terms of the roof
warranty and Landlord and Tenant shall  cooperate in the enforcement of the roof
warranty.  Landlord  shall advise Tenant in advance of any repair or maintenance
cost believed to be in excess of $10,000.  In the event Landlord or Tenant shall
disagree about such plans, the need for such maintenance or repairs,  or whom to
hire as service providers, then Landlord and Tenant shall agree to a third party
property manager,  which third party property manager shall informally arbitrate
such disputes.

         (e) Except as provided  elsewhere in this Lease to the contrary,  there
shall be no  allowance  to  Tenant  for a  diminution  of  rental  value  and no
liability  on the part of  Landlord,  by reason of  inconvenience,  annoyance or
injury to, or interruption of business,  arising from Landlord, Tenant or others
making  any  repairs,  restorations,  replacements,  alterations,  additions  or
improvements  in or to  any  portion  of  the  Premises,  or in or to  fixtures,
appurtenances or equipment  thereof;  provided that such repairs,  restorations,
etc.  do not prevent  Tenant  from  operating
<PAGE>

in the Premises as anticipated  hereunder for more than  twenty-four  hours.  In
such case,  Rent  hereunder  shall be abated in proportion  to the  untenantable
space in the Premises.  Notwithstanding the provisions of Section 12, Section 14
or  Section  21 or any  other  provision  of  this  Lease  to the  contrary,  in
exercising its rights  pursuant to this Lease,  Landlord shall not  unreasonably
interfere  with the  access to the  Premises  or  Tenant's  business  operations
therein.

         Section 15.  MECHANIC'S LIENS

         (a)  Tenant  shall,  at  Tenant's  option,  pay or  cause to be paid or
provide bond for all costs for work done by it or caused to be done by it on the
Premises of a character which will or may result in liens on Landlord's interest
therein  and  Tenant  will keep the  Premises  free and clear of all  mechanic's
liens,  and other  liens on account of work done for Tenant or persons  claiming
under  it.  Tenant  shall  indemnify  and hold  Landlord  harmless  against  any
liability,  loss, damage,  costs or expenses,  including  reasonable  attorney's
fees,  on account of any claims of any nature  whatsoever,  including  claims of
liens of laborers or  materialmen or others for work performed for, or materials
or supplies furnished to Tenant or persons claiming under Tenant.

         (b) Should any liens be filed or recorded  against the  Premises or any
action  affecting the title thereto be commenced due to Tenant's  contracts with
third parties,  Tenant shall give Landlord written notice thereof.  Tenant shall
thereafter  cause such  liens to be removed of record  within ten days after the
filing of the liens. If a final judgment  establishing the validity or existence
of a lien for any amount is  entered,  Tenant  shall pay and satisfy the same at
once.  If Tenant shall be in default in paying any charge for which a mechanic's
lien or suit to foreclose the lien has been recorded or filed, Landlord may (but
without  being  required to do so) pay such lien or judgment and any costs,  and
the  amount so paid,  together  with  reasonable  attorney's  fees  incurred  in
connection  therewith,  shall be  immediately  due from Tenant to Landlord  with
interest at the Default  Rate from the dates of  Landlord's  payments.  Landlord
shall be responsible for the payment for all work (including  Landlord's  Work),
and the removal of all liens of record  relating  to work of Landlord  occurring
prior to the Commencement  Date, or,  thereafter,  work performed by Landlord or
its contractors.

         (c) At least five days prior to the  commencement of any work permitted
to be done  by  persons  requested  by  Tenant  on the  Premises  in  excess  of
$10,000.00,  Tenant shall notify Landlord of the proposed work and the names and
addresses of the persons  supplying labor and materials for the proposed work so
that  Landlord may avail itself of the  provisions  of statutes  such as Section
38-22-105(2) of Colorado  Revised  Statutes (1973, as amended).  During any such
work on the Premises,  Landlord and its representatives  shall have the right to
go upon and inspect the  Premises at all  reasonable  times,  and shall have the
right to post and keep posted  thereon  notices  such as those  provided  for by
Section 38-22-105(2).

<PAGE>

         Section 16.  CASUALTY

          (a) If the  Building  or the Parking Lot or means of access or ingress
to the Premises  shall be so damaged by fire or other  casualty as to render the
Premises  untenantable,  and if such damage  shall be so great that an architect
selected  by  Landlord  and  agreed to by Tenant  shall  certify  in  writing to
Landlord and Tenant that the Premises with the exercise of reasonable diligence,
but without the payment of overtime or other premiums  cannot be made tenantable
within  90 days  from the  happening  of the fire or other  casualty,  or if the
damage shall be such that  Landlord's  architect shall certify that the Premises
can be made  tenantable  within the 90-day period from the happening of the fire
or other casualty, but insurance proceeds are not made available to Landlord for
repair of such damage,  then  Landlord or Tenant may  terminate  this Lease.  If
neither  Landlord nor Tenant  terminates  this Lease as set forth  above,  then,
except as  hereinafter  provided,  Landlord  shall with  reasonable  promptness,
repair the damage so done except that Landlord  shall not be required to repair,
replace  or restore  any  personal  property  of Tenant  specified  in the first
sentence of Section 13(b).  Until such repair is  substantially  completed,  the
Base Rent shall be abated in  proportion  to the part of the  Premises  which is
unusable by Tenant in the  reasonable  conduct of its  business  or  profession.
There  shall be no  abatement  of Base  Rent by  reason  of any  portion  of the
Premises  being  unusable  for a period of one day or less,  unless  covered  by
Landlord's  loss  of  rent  insurance.  If the  damage  is due to the  fault  or
negligence of Tenant or Tenant's employees,  agents or invitees,  there shall be
no abatement of Base Rent, unless covered by Landlord's loss of rent insurance.

         (b) If the Premises shall be damaged by fire or other casualty, but not
so as to render the  entire  Building  untenantable,  Landlord  shall  cause the
damage  to  be  repaired  with  reasonable   promptness  and,  if  not  repaired
sufficiently  that the entire Premises is tenantable within one day, there shall
be an  abatement  of Base Rent and all other  amounts  due under  this  Lease in
proportion to the Rentable Square Footage of the Premises rendered untenantable.
If the fire or other  casualty  causing  damage to the Premises  shall have been
caused by the negligence of Tenant, or Tenant's  employees,  agents or invitees,
such damage  shall be  repaired by Landlord  and the amount paid for such repair
shall be due from Tenant to Landlord  with interest at the Default Rate from the
dates  of  Landlord's  payments,  unless  Landlord  is  paid  for  such  loss by
insurance.

         Section 17.  EMINENT DOMAIN

         (a) If any portion of the  Premises  shall be taken by right of eminent
domain or shall be conveyed in lieu of any such  taking,  which shall render the
Premises  untenantable,  then this  Lease,  at the option of either  Landlord or
Tenant  exercised  by either party  giving  written  notice to the other of such
termination  within  thirty  (30) days after such  taking or  conveyance,  shall
forthwith  cease and  terminate  and the Base Rent and all  other  sums  payable
hereunder shall be duly apportioned as
<PAGE>

of the date of such taking or conveyance.  Tenant  thereupon  shall surrender to
Landlord the Premises and all interest  therein  under this Lease,  and Landlord
may re-enter and take possession of the Premises and remove Tenant therefrom. If
neither party exercises the option to terminate this Lease,  Landlord shall make
an equitable  adjustment  of the Base Rent payable by Tenant for the  tenantable
portion of the Premises.

         (b) In the event of any taking or conveyance described above,  Landlord
shall receive the entire award or  consideration  for the lands and improvements
so taken and Tenant  hereby  waives all claims  against  Landlord and assigns to
Landlord all claims  against the  condemnor  for or on account of or incident to
such taking or conveyance,  except that Tenant may separately  claim and recover
from the  condemnor,  the value of any personal  property of Tenant which Tenant
was entitled to remove pursuant to this Lease, as well as compensation  for loss
of leasehold  estate,  and  leasehold  improvements  done and paid for by Tenant
without contribution from Landlord, relocation expenses and lost profits.

         Section 18.  INJURY TO PERSON OR PROPERTY

         (a) Subject to Section  19(a),  Landlord  hereby  agrees to  indemnify,
defend and hold  harmless  Tenant from and against any and all demands,  claims,
causes of action,  liabilities or judgments and any and all expenses (including,
without limitation,  reasonable attorney fees) incurred by Tenant,  arising from
(i) the neglect or fault of Landlord,  its employees,  contractors or agents; or
(ii) Landlord's breach of its obligations under this Lease.

         (b)  Tenant  shall  neither  hold  nor  attempt  to  hold  Landlord  or
Landlord's  employees or agents liable for, and subject to Section 19(a), Tenant
shall hold harmless and indemnify  Landlord and  Landlord's  employees or agents
from and against, any and all demands, claims, causes of action, liabilities, or
judgments, and any and all expenses (including,  without limitation,  reasonable
attorney's fees) incurred by Landlord in  investigating  and resisting the same,
arising from any of the following:

                  (i) Any injury or damage to the person or  property  of Tenant
or to any other person rightfully on the Premises for any purpose whatsoever, to
the extent  the injury or damage is caused by the  neglect or fault of Tenant or
Tenant's employees,  agents or invitees,  or to the extent such injuries are the
result of the violation of laws or ordinances,  governmental orders of any kind,
or of the provisions of this Lease including the rules and regulations  provided
for in Section 27 of this Lease, by any of such persons;

                  (ii) Any injury or damage of any nature  suffered by Tenant or
Tenant's  employees,  agents or  invitees  to the extent the injury or damage is
caused  by the  loss or  destruction  by any  person  of  furniture,  inventory,
valuables, files or any other property kept or stored on the Premises; and

<PAGE>

                  (iii) Any injury or damage not  specified  above to the person
or property of Tenant, or Tenant's employees,  agents or invitees, to the extent
the injury or damage is caused by any reason other than the fault or  negligence
of  Landlord  or  Landlord's  employees  or  agents,  or breach of this Lease by
Landlord,  including,  but not  limited to any injury or damage  resulting  from
fire, explosion, falling plaster or glass, steam, gas, electricity,  water, rain
or snow or leaks from any part of the Building, or from the pipes, appliances or
plumbing works or from the roof,  street,  subsurface or from any other place or
by dampness.


         Section 19.  TENANT'S INSURANCE

         (a) At all times during the Term of this Lease,  Tenant  shall,  at its
own expense,  maintain (i) public  liability  insurance  for claims for personal
injury or death and  property  damage  with  limits of not less than  $1,000,000
combined  single  limit of  liability  plus  umbrella  coverage of not less than
$5,000,000;  and (ii)  fire and  extended  coverage  insurance  on all  property
described  in the first  sentence of Section  13(b) to the extent of at least 90
percent of their  insurable  value.  All such  policies  described in subsection
(a)(i)  only shall name  Landlord  as an  additional  insured  and shall be with
insurance  companies and on forms  reasonably  satisfactory to Landlord.  Tenant
shall,  prior to Tenant's occupancy of the Premises and thereafter at Landlord's
request, furnish Landlord with certificates of all insurance to be maintained by
Tenant and with evidence of payment of the premiums  thereon.  All such policies
shall  contain  a clause  or  endorsement  to the  effect  that  they may not be
terminated  or amended  during the Term of this Lease  except after thirty days'
written notice thereof to Landlord.  All insurance policies  maintained by or on
behalf of  Landlord  and Tenant with  respect to the  Premises  shall  include a
waiver of subrogation  against Landlord and Tenant on the part of the respective
insurance  carriers and each of the parties  hereby  releases the other,  to the
extent of the releasing party's insurance  coverage,  from any and all liability
for any loss or damage covered by such insurance which may be inflicted upon the
property of such party even if such loss or damage shall be brought about by the
fault or  negligence  of the other  party,  its agents or  employees;  provided,
however,  that this  release  shall be  effective  only with  respect to loss or
damage occurring  during such time as the appropriate  policy of insurance shall
contain a clause to the effect or otherwise  provide that this release shall not
affect said policy or the right of the insured to recover thereunder.

         (b)  Tenant  shall not use or suffer or permit any other firm or person
to use the  Premises  for any  hazardous  purpose  or in any  manner  that  will
violate, suspend, void, make inoperative or increase the rate of any policies of
insurance of any kind at any time carried by Landlord  upon the Premises and the
Building,  fixtures and
<PAGE>

property  therein.  Tenant at Tenant's sole expense shall comply with all rules,
orders,  regulations or requirements of the board of fire  underwriters,  or any
other similar body, having  jurisdiction over the Premises.  Any increase in the
cost of any insurance carried by Landlord attributable to Tenant's activities on
the Premises or Tenant's failure to perform and observe Tenant's obligations and
covenants hereunder shall be borne by Tenant and payable to Landlord,  from time
to time, on demand.

         Section 20.  LANDLORD'S INSURANCE

         At all times  during the Term of this Lease,  Landlord  shall  maintain
public  liability  insurance  for claims  for  personal  liability  or death and
property damage with limits of not less than $5,000,000.  Landlord, with respect
to  all  structures  and  improvements  on  the  Premises,  including  leasehold
improvements,  shall,  during the Term of this  Lease,  carry full and  adequate
insurance  under a so-called  all-risk  policy,  which shall  include but not be
limited to coverage for boiler and  machinery,  accidental  and direct  physical
loss.  Landlord's  insurance  shall also include rental value  insurance for the
protection of Landlord,  which insurance shall provide for payment of net rental
and other charges due hereunder for a minimum period of one (1) year following a
casualty,  such  policy  providing  that  payments  will  be  made  to  Landlord
regardless of whether this Lease is terminated as a result of such casualty.

         During the period  Landlord is performing  Landlord's Work (and for any
additional  period prior to delivery of the Premises to Tenant),  Landlord shall
maintain,  or cause its Contractor to maintain,  property insurance under an all
risk form or  builder's  risk  coverage in amounts and in a form  acceptable  to
Tenant.  Landlord shall also require the Architect to carry errors and omissions
coverage in an amount of not less than $1,000,000. Landlord's insurance policies
shall be deposited  with the Tenant and renewals  thereof shall be deposited not
less  than  ten (10)  days  prior to the  expiration  date of the then  expiring
policy.  All such policies  maintained  by Landlord  shall provide that the same
shall not be  amended  or  canceled  without at least  thirty  (30) days'  prior
written notice to the Tenant.

         Section 21.  SERVICES PROVIDED BY LANDLORD

         (a)      Pursuant to Section 10 above,  Landlord shall furnish or cause
to be furnished on or before the Commencement Date the following services:

                  (i) Heating or air conditioning;  provided that Tenant will be
solely  responsible  to pay  for the  power  to  operate  such  heating  and air
conditioning on the Premises;

                  (ii) Domestic  running water for the operation of  lavatories,
ordinary drinking fountains at all times (but paid for by Tenant);

                  (iii) 110-volt electric current for the office,  warehouse and
manufacturing portions of the Premises and 220-volt or 408-volt electric current
for
<PAGE>

the manufacturing  portion of the Premises,  all as shown on Exhibit B; provided
that Tenant will be solely  responsible to pay the electric bill to operate such
systems on the Premises;  After the Commencement  Date, the costs of maintaining
the  availability of such utilities shall be Operating Costs pursuant to Section
6(b)(ii).

         (b) Tenant  covenants  and agrees that at all times its use of electric
current shall never exceed the capacity of any wiring  installation in or to the
Premises.

         (c)  Landlord  shall not be liable to Tenant or any other  person,  for
direct or consequential damage, or otherwise,  for breach of Section 21(a) above
when  Landlord  uses  reasonable  diligence  to supply such  services.  Landlord
reserves the right temporarily to discontinue such services,  or any of them, at
such  times  as may be  necessary  by  reason  of  accident,  unavailability  of
employees, repairs, alterations or improvements,  strikes, lockouts, riots, acts
of  God,  governmental  preemption  in  connection  with  a  national  or  local
emergency, any rule, order or regulation of any governmental agency,  conditions
of supply and demand,  Landlord's  compliance  with any  mandatory  governmental
energy  conservation or environmental  protection program or any other happening
beyond the  control of  Landlord.  Landlord  shall not be liable for  damages to
person or  property  or for  injury to, or  interruption  of,  business  for any
discontinuance permitted under this Section 21, nor shall such discontinuance in
any way be  construed  as an eviction of Tenant or cause an abatement of rent or
operate to release  Tenant from any of Tenant's  obligations  hereunder,  unless
Landlord is negligent in its duties to maintain the heating and air conditioning
system, the plumbing, and the electrical system.

         Section 22.  ASSIGNMENT AND SUBLETTING

         (a) Tenant shall not assign this Lease or any interest herein or sublet
all or any part of the  Premises,  or suffer or permit the  Premises or any part
thereof to be occupied by others,  without the prior written consent of Landlord
in each instance,  which consent shall not be  unreasonably  withheld.  Any such
attempted assignment,  subletting, or occupancy without Landlord's prior written
consent shall be void and shall confer no rights whatsoever on any party. Tenant
will  notify  Landlord in writing of any  interest  in this Lease  which  Tenant
wishes to assign or any portion of the Premises which Tenant wishes to sublet or
permit others to occupy which notice shall  specify the terms and  conditions of
such  transaction  and shall be accompanied by such  information as Landlord may
require  with  respect to the proposed  assignee,  sublessee  or occupant.  Upon
receipt of such  notice and  information,  Landlord  shall have the right in its
discretion, reasonably exercised, to either:

                  (i) Consent to such  assignment,  subletting  or  occupancy in
which event one-half (1/2) of any rent or other consideration realized by Tenant
under any such  assignment,  subletting  or occupancy in excess of the Base Rent
and other sums payable hereunder reasonably attributable to the space subject to
the
<PAGE>

assignment,  subletting  or occupancy  arrangement,  after  amortization  of the
reasonable  costs  incurred  by Tenant for  leasing  commissions  and  leasehold
improvements  in connection with such  assignment,  subletting or occupancy over
the term of such assignment,  subletting or occupancy, shall be paid to Landlord
by Tenant; or

                  (ii)  Refuse to  consent  to such  assignment,  subletting  or
occupancy  setting  forth its reasons for such  refusal in writing.  If Landlord
does not deliver written notice as to Landlord's  election of one of the options
referred  to above  within  thirty (30) days after its receipt of the notice and
information  from  Tenant,  Landlord  shall be deemed to have  consented  to the
proposed  assignment,  subletting  or  occupancy.  If this Lease or any interest
herein is assigned, or if the Premises or any part thereof be sublet or occupied
by anybody  other than  Tenant,  with or without the consent of Landlord  having
first been obtained,  Landlord may,  after default by Tenant,  collect rent from
the assignee,  subtenant or occupant,  and apply the net amount collected to the
Base Rent and other  sums due  hereunder,  but no  collection  shall be deemed a
waiver  of this  covenant,  or the  acceptance  of the  assignee,  subtenant  or
occupancy  as the  tenant  hereof  or a  release  of  Tenant  from  the  further
performance  by Tenant of  covenants  on the part of  Tenant  contained  in this
Lease.  The consent by  Landlord  to an  assignment,  subletting,  or  occupancy
arrangement  shall not relieve Tenant from primary  liability  hereunder or from
the  obligation  to obtain the  express  consent in writing of  Landlord  to any
further assignment, subletting, or occupancy arrangement.

         (b)  Notwithstanding  anything  contained in this Lease to the contrary
and provided the assignee  assumes this Lease,  none of the  following,  nor any
assignments  or  transfers of this Lease  resulting  from the  following,  shall
require Landlord's prior written consent or the payment by Tenant of any fees or
charges of any kind:  (a) a transfer of stock or other  ownership  interests  in
Tenant;  (b) the merger,  consolidation  or  amalgamation of Tenant with a third
party or the sale of all or substantially  all of the stock or assets of Tenant;
or  (c) a  transfer  to a  parent,  subsidiary  or  "affiliate"  of  Tenant.  An
"affiliate" shall mean any trust, corporation,  partnership or limited liability
company (i) which owns or "controls"  the majority of the ownership  interest of
Tenant, either directly or indirectly through other entities;  (ii) the majority
of whose ownership  interests is owned or "controlled" by Tenant; or (iii) which
owns or  "controls" a majority of the  ownership  interests  of Tenant.  As used
herein,  the word "control" shall mean the right or power to direct or cause the
direction of the management and policies of the entity in question.

         Section 23.  END OF TERM
<PAGE>

         Upon the  expiration  or other  termination  of the Term of this Lease,
Tenant shall  promptly quit and surrender to Landlord the Premises  broom-clean,
in  good  order  and  condition,  ordinary  wear,  condemnation,   casualty  and
Landlord's  repair  obligations  excepted,  and Tenant  shall  remove all of its
movable  furniture  and  other  effects  and  such  alterations,  additions  and
improvements  as Landlord shall require Tenant to remove pursuant to Section 13.
For purposes of the  foregoing  sentence,  items which are  partially  worn from
normal use,  but not yet in need of repair,  shall be  considered  to be in good
condition.  Likewise, items which are worn from normal use and have been in such
condition  without  Landlord  repairing  them shall be  considered to be in good
condition.  All movable  furniture and other effects and alterations,  additions
and  improvements  not so  removed  shall  conclusively  be  deemed to have been
abandoned and may be appropriated, sold, stored, destroyed or otherwise disposed
of by  Landlord  without  notice  to  Tenant or any  other  person  and  without
obligation  to account  therefor;  and Tenant shall pay Landlord all  reasonable
expenses incurred in connection with such property,  including,  but not limited
to, the cost of  repairing  any damage to the  Building  or  Premises  caused by
removal of such  property.  Tenant's  obligation  to  observe  or  perform  this
covenant shall survive the expiration or other termination of this Lease.

         Section 24.  HOLDOVER

         If Tenant or any party claiming through or under Tenant shall remain or
continue  to be in  possession  of the  Premises or any part  thereof  after the
termination  of this Lease,  and  Landlord  continues  to accept rent  payments,
Tenant or such  party or both  shall be deemed to be a month to month  tenant of
the Premises on all the terms and conditions of this Lease, except that the Base
Rent  shall be 110% of the  amount of the Base Rent for the  final  Lease  Year.
Nothing herein  contained shall be construed to limit Landlord's right to obtain
possession of the Premises upon  termination of this Lease by unlawful  detainer
proceedings  or otherwise in the event that Landlord does not continue to accept
rent payments after termination of this Lease.

         Section 25.  SUBORDINATION, ATTORNMENT AND NON-DISTURBANCE

         (a) This Lease is subordinate to all  mortgages,  trust  indentures and
other  encumbrances  which may now or hereafter affect such leases or all or any
portion of the  Premises  and to all  renewals,  modifications,  consolidations,
replacements and extensions thereof.  This clause shall be self-operative and no
further instrument or subordination shall be required in order to effectuate it.
Tenant  covenants and agrees  nevertheless,  to execute and deliver promptly any
certificate or other assurance in confirmation of such subordination  reasonably
requested by any mortgagee.
<PAGE>

         (b) Tenant agrees that in the event any proceedings are brought for the
foreclosure  of any  mortgage  to which this Lease is  subordinate,  Tenant will
attorn to the purchaser at any such  foreclosure  sale and will  recognize  such
purchaser  as its  landlord  under this  Lease.  Any  attornment  to a purchaser
pursuant  to this  Section 25 shall  occur  automatically,  but Tenant  shall on
request by and without cost to Landlord or any purchaser execute and deliver any
reasonable instruments evidencing such attornment.

         (c)  Notwithstanding  the  foregoing,  no  subordination  or attornment
pursuant to the provisions of this Section 25 shall be effective unless prior to
the date any party desiring such  subordination  or attornment  obtains title to
the Premises,  such party has acknowledged by written notice to Tenant that this
Lease and Tenant's rights hereunder shall continue  undisturbed  while Tenant is
not in default hereunder; except that party shall not be:

                  (i)  Liable  for any act or  omission  of any prior  Landlord;
provided,  however,  such party shall not be released from liability if such act
or omission  constitutes a breach of the Landlord's  obligations under the Lease
and  continues  after the lender or  purchaser  succeeds to the  interest of the
Landlord under the Lease; or

                  (ii)  Subject to any offsets or defenses  which  Tenant  might
have against any prior Landlord; or

                  (iii)    Bound by any  Base  Rent  which   Tenant  might  have
paid for more than one month in advance to any prior Landlord.

         In addition, and notwithstanding the provisions of this Section 25, any
subordination of this Lease or attornment by Tenant shall be subject to Tenant's
receipt of written assurance from the mortgagee or deed of trust holder that (a)
Tenant's  possession and this Lease,  including any options to extend the Lease,
will not be disturbed so long as Tenant is not in default  hereunder  beyond any
applicable  notice and cure  periods  and  attorns  to the  record  owner of the
Premises;  and (b) in the event of foreclosure or sale, the Lease shall continue
in full force and effect in accordance  with its terms as a direct lease between
Tenant and such mortgagee,  deed of trust holder,  or other purchaser;  provided
that  such  rights of Tenant  shall be  subject  to the  provisions  of  Section
25(c)(i) through (iii) above.

         (d) In the event a  foreclosure  is  commenced  against  the  Premises,
Landlord will give Tenant notice of such  commencement at least thirty (30) days
prior to the foreclosure sale.

         Section 26.  STATEMENT OF PERFORMANCE
<PAGE>

         Each party  agrees at any time and from time to time,  to  execute  and
deliver to the other,  within twenty (20) days following a request  therefor,  a
statement in writing certifying that this Lease is in full force and effect, and
unmodified (or specifying any  modifications),  that the requesting party is not
in default  hereunder  (or  specifying  any alleged  defaults by the  requesting
party),  and any further  information about this Lease or the Premises which the
requesting party may reasonably request. Each party understands that prospective
purchasers,  mortgagees or lessors of the Building and prospective  assignees of
this Lease or  prospective  subleases or occupants of the Building  will rely on
such  certificates.  Any failure by either party to respond to a request  within
twenty (20) days after receipt of the request shall constitute an admission that
the matters set forth in the requested certificate are true.

         Section 27.  RULES AND REGULATIONS

         The rules and  regulations  set forth on Exhibit C attached  hereto are
hereby made a part of this Lease.  Landlord may from time to time amend, modify,
delete or add new and additional  reasonable  rules and regulations for the use,
safety,  cleanliness  and care of the Premises.  Such new or modified  rules and
regulations  shall be  effective  upon notice to Tenant from  Landlord  thereof.
Tenant and Tenant's employees,  agents and invitees,  shall at all times observe
faithfully  and comply  strictly with,  the rules and  regulations  set forth on
Exhibit C or as hereinafter modified by Landlord.  In the event of any breach of
any rules or  regulations  set forth on Exhibit C or any amendments or additions
thereto,  Landlord  shall have all  remedies in this Lease  provided  for in the
event of default by Tenant and shall, in addition have any remedies available at
law or in equity  including  the right to enjoin  any  breach of such  rules and
regulations.  In the event of any  conflict  between the terms of this Lease and
the terms of any rules and regulations  issued by Landlord,  including those set
forth in Exhibit C, the terms of this Lease shall control.

         Section 28.    INTENTIONALLY LEFT BLANK.

         Section 29.  INDEMNITY; WAIVER

         (a) Tenant shall indemnify and hold Landlord  harmless from any and all
demands, claims, causes of action,  liabilities,  judgments,  fines and expenses
(including, without limitation, reasonable attorney's fees) incurred or suffered
by Landlord by reason of any breach of this Lease (beyond  applicable  grace and
cure  periods)  by Tenant or  Tenant's  employees,  agents  or  invitees  of any
covenant or provision of this Lease.

         (b) Landlord has no knowledge of any present  violations  of applicable
federal,  state,  or local laws and  regulations,  including all laws related to
toxic
<PAGE>

hazardous  waste and hereby agrees to indemnify  and hold  harmless  Tenant from
liability for any such hazardous  waste existing prior to Tenant's  occupancy of
the Premises.  The Tenant shall comply with all applicable  federal,  state, and
local laws and  regulations,  including  but not  limited to the  Federal  Water
Pollution  Control Act, 33 U.S.C.  ss.1251,  et seq.,  the Oil Pollution Act, 33
U.S.C.  ss.2701 et seq.,  the Clean Air Act,  42 U.S.C.  ss.7401,  et seq.,  the
Resource  Conservation  and Recovery Act, 42 U.S.C.  ss.6901,  et seq.,  and the
Comprehensive  Environmental  Response,  Control,  and Liability  Act, 42 U.S.C.
ss.9601, et seq., as subsequently amended. Prior to the date that is thirty (30)
days from the date  hereof,  Landlord  agrees,  as a material  condition of this
Lease, to provide Tenant with an  environmental  assessment of the Premises,  in
form  and  substance   satisfactory  to  Tenant,   certified  by  a  third-party
environmental  consultant  licensed to  practice  in the State of  Colorado  and
reasonably  acceptable  to Tenant,  which report shows to Tenant's  satisfaction
that the Premises are free and clear of Hazardous Materials and the Premises are
not in violation of any  environmental  laws,  rules,  regulations or enactments
(the  "Environmental  Assessment").  In the event  Landlord  is unable to timely
deliver  such  report,  Tenant  shall be entitled to  terminate  this Lease upon
written  notice to  Landlord  delivered  no later than July 1, 1999.  The Tenant
shall  indemnify,  defend,  and hold the Landlord  harmless  for any  violations
incurred under any such laws and regulations or for any costs, damages,  claims,
liabilities,  and judgments to the extent arising from past, present, and future
acts or  omissions  of the Tenant in  connection  with the use and/or  occupancy
authorized  by  the  Lease  or  other  acts  of  Tenant  or  its  agents.   This
indemnification  and hold harmless  agreement  includes,  but is not limited to,
acts and  omissions of the Tenant in  connection  with the use and/or  occupancy
authorized  by the Lease  which  result in: (1)  violations  of the above or any
applicable laws and  regulations;  (2) judgments,  claims,  or demands  assessed
against the Landlord;  (3) reasonable costs,  expenses,  and damages incurred by
the Landlord;  or (4) other releases or threatened releases on or into the land,
property,  and other  interest of the Landlord by solid waste  and/or  hazardous
substance(s).

         (c) The Tenant's indemnification of the Landlord shall also include any
damages to life or property arising from the Tenant's  occupancy or use of land,
property,  and other  interest  of the  Landlord.  The  Landlord  has no duty to
inspect  leasehold  area or to warn of hazards and, if the Landlord does inspect
the area,  it shall incur no additional  duty nor  liability  for  identified or
non-identified hazards. This covenant may be enforced by the Landlord in a court
of  competent  jurisdiction.  This,  and all other  Tenant  indemnifications  of
Landlord and Landlord indemnifications of Tenant under this Lease, shall survive
the expiration or termination of this Lease.

         (d)  LANDLORD  AND TENANT  HEREBY  MUTUALLY  WAIVE TRIAL BY JURY IN ANY
ACTION,  PROCEEDING OR COUNTERCLAIM  BROUGHT BY EITHER OF THEM AGAINST THE OTHER
ON ANY  MATTERS  WHATSOEVER  ARISING  OUT OF
<PAGE>

OR IN ANY WAY  CONNECTED  WITH THIS LEASE,  THE  RELATIONSHIP  OF  LANDLORD  AND
TENANT,  TENANT'S USE OR OCCUPANCY  OF THE  PREMISES,  OR ANY CLAIM OF INJURY OR
DAMAGE, OTHER THAN CLAIMS FOR PERSONAL INJURY OR DEATH.

         (e)      Binding Arbitration.

                  (i)  Any  controversy,  claim  or  dispute  arising  out of or
relating  to the  construction  provisions  of this  Lease  (Section  10) or the
breach,  termination,  enforceability or validity thereof, other than claims for
personal injury or death, shall be determined exclusively by binding arbitration
in Boulder County before three arbitrators. The arbitration shall be governed by
the American  Arbitration  Association under its Commercial  Arbitration  Rules,
provided that at least one member of the panel shall have relevant  knowledge of
or experience in the commercial real estate industry.

                  (ii) No  provision  of, nor the  exercise of any rights  under
Section 29(e) shall limit the right of any party:  (A) to bring a forcible entry
and detainer,  unlawful detainer,  or eviction or constructive  eviction action;
(B) to exercise  self-help remedies provided for in this Lease or by law; or (C)
to request and obtain from a court having jurisdiction  before,  during or after
the pendency of any  arbitration,  provisional or ancillary  remedies and relief
including, but not limited to, injunctive or mandatory relief or the appointment
of a  receiver.  The  institution  and  maintenance  of an  action  or  judicial
proceeding for, or pursuit of,  provisional or ancillary remedies or exercise of
self-help  remedies  shall  not  constitute  a waiver  of the right of any party
hereto,  even  if  such  party  is the  plaintiff,  to  submit  the  dispute  to
arbitration if such party would otherwise have such right.

                  (iii) At any such arbitration proceeding, the arbitrator shall
not have the power or authority to award punitive damages to any party. Judgment
upon the award rendered may be entered in any court having jurisdiction.

                  (iv)     Each  of  the parties shall,  subject to the award of
the arbitrators, pay an equal share of the arbitrators' fees.

         (f) Landlord represents and warrants to Tenant as follows:

                  (i)  Neither  Landlord  nor  any  of  its  agents,   officers,
employees  or  consultants  has any  knowledge  of any (a)  hazardous  or  toxic
materials,  wastes or substances ("Hazardous Materials") which are located in or
which have been treated,  stored, generated or disposed of upon the Premises; or
(b) violation of any state,
<PAGE>

federal or local law enacted for the protection of the environment or the safety
of workers at the Premises.

                  (ii) Tenant shall not have any  responsibility  or  obligation
for  clean-up,  remediation,  defense  or  indemnification  with  respect to any
environmental  pollution,  environmental  impairment or Hazardous  Materials not
caused by Tenant, its suppliers, agents, contractors, employees, invitees, or as
a result of Tenant's operations at the Premises.

         Section 30.  COMMENCEMENT OF THE TERM

         Subject to Section 10 above,  the Term of this Lease shall  commence on
whichever of the following dates shall first occur:

         (a) The date on or after  December  15, 1999 on which the  Premises are
"Substantially  Complete"  (which  shall  mean  that  (i)  Landlord  shall  have
substantially  completed  the work in the  Premises  required to be completed by
Landlord as specified in Exhibit B (including the Building,  the Parking Lot and
all necessary access and egress thereto),  exclusive of minor "punch list" items
of mechanical and cosmetic  adjustment  that do not prevent Tenant from using or
enjoying  the  Premises  for the  use  intended  hereunder,  (ii)  Landlord  has
furnished  to Tenant a final  unconditional  certificate  of  occupancy  for the
Premises, and (iii) Landlord has delivered to Tenant an Environmental Assessment
for the  Premises  (as  defined in  Section  29  herein)  in form and  substance
satisfactory to Tenant; provided that, in the event Landlord shall be delayed in
completing Landlord's Work by any interference with or hindrance of such work by
Tenant, Tenant's contractor or any of their employees,  servants or agents or by
any  changes  in such  work  requested  by  Tenant  and  agreed  to by  Landlord
("Tenant-Caused   Delays"),   the   Premises   shall  be  deemed  to  have  been
Substantially  Complete on the date on which Landlord  would have  Substantially
Completed Landlord's Work had such Tenant-Caused Delay not occurred); or

         (b) The date on which  Tenant  shall  take  possession  and  occupy the
Premises.

Landlord and Tenant shall execute and record an agreement  specifying  the date,
determined  in the  manner  specified  above,  on which  the term of this  Lease
commenced, which date shall be the Commencement Date for all purposes under this
Lease.

         Section 31.  TENANT'S DEFAULT
<PAGE>

         The following shall constitute defaults of Tenant hereunder:

         (a) Tenant shall fail to pay when due any  installment  of Base Rent or
any other sum payable by Tenant under terms of this Lease, and Tenant shall fail
to remedy  such  failure  within ten (10) days after  Landlord  shall have given
Tenant written notice specifying such failure;

         (b) Tenant  shall  neglect  or fail to  perform  or observe  any of the
covenants  herein  contained  on Tenant's  part to be  performed or observed and
Tenant shall fail to remedy such default  within thirty (30) days after Landlord
shall have given to Tenant written notice specifying such neglect or failure (or
within such period,  if any, as may be reasonably  required to cure such default
if it is of such nature that it cannot be cured  within such  thirty-day  period
and Tenant proceeds with reasonable diligence thereafter to cure such default);

         (c) This Lease or the Premises or any part thereof  shall be taken upon
execution or by other process of law directed against Tenant,  or shall be taken
upon or subject to any attachment at the instance of any creditor of or claimant
against  Tenant,  and such,  attachment  shall not be  discharged or disposed of
within ninety (90) days after the levy thereof;

         (d) Tenant shall lock the  Premises so as to prevent the entry  therein
of Landlord or  Landlord's  representatives  as  permitted  by the terms of this
Lease and the same is not corrected  within three (3) days of written  notice by
Landlord to Tenant;

         (e)      Tenant shall:

                  (i)      Make  an  assignment  of all or a substantial part of
Tenant's property for the benefit of creditors;

                  (ii) Apply for or consent to or acquiesce  in the  appointment
of a receiver,  trustee or liquidator of Tenant or of all or a substantial  part
of Tenant's  property or of the Premises or of Tenant's  interest in this Lease;
or

                  (iii) File a voluntary petition in bankruptcy or a petition or
an answer  seeking  reorganization  under any bankruptcy or insolvency law or an
arrangement  with creditors,  or take advantage of any insolvency law or file an
answer admitting the material  allegations of a petition filed against Tenant in
any bankruptcy, reorganization or insolvency proceedings; or
<PAGE>

         (f)  The  entry  of a court  order,  judgment  or  decree  without  the
application,  approval  or  consent  of Tenant,  approving  a  petition  seeking
reorganization  of Tenant under any bankruptcy or insolvency law or appointing a
receiver,  trustee or liquidator  of Tenant or of all or a  substantial  part of
Tenant's  property or of the Premises or of Tenant's  interest in this Lease, or
adjudicating Tenant as bankrupt or insolvent, and such order, judgment or decree
shall not be vacated,  set aside or stayed within ninety (90) days from the date
of entry.

         Section 32.  REMEDIES

         If Tenant  shall  default  under this Lease as set forth in Section 31,
Landlord  shall have the following  rights and remedies in addition to all other
remedies at law or equity,  and none of the following,  whether or not exercised
by Landlord,  shall  preclude the exercise of any other right or remedy  whether
herein set forth or existing at law or equity:

         (a)  Landlord  shall have the right to  terminate  this Lease by giving
Tenant notice in writing, and upon the giving of such notice, this Lease and the
Term hereof as well as the right,  title and interest of Tenant under this Lease
shall  wholly  cease and  expire in the same  manner and with the same force and
effect (except as to Tenant's  liability on the date specified in such notice as
if such date were the  expiration  date of the Term of this  Lease)  without the
necessity of re-entry or any other act on Landlord's  part. Upon any termination
of this Lease,  Tenant shall quit and  surrender to Landlord the Premises as set
forth in Section 23. If this Lease is terminated,  Tenant shall remain liable to
Landlord  for all Base Rent  accrued and unpaid and other sums due  hereunder to
the date of  termination  of this  Lease.  Landlord  shall also be  entitled  to
recover from Tenant the worth at the time of such termination of the excess,  if
any,  of the amount of Base Rent  reserved  in this Lease for the balance of the
Term of this Lease (which shall be calculated  using a reasonable  discount rate
determined at that time) over the then  reasonable  rental value of the Premises
for the same period.

         (b) To the extent permitted in accordance with applicable law, Landlord
may without  demand or notice,  re-enter and take  possession of the Premises or
any part thereof,  and  repossess  the same as of  Landlord's  former estate and
expel Tenant and those claiming through or under Tenant,  and remove the effects
of any and all such persons (forcibly, if necessary) without being deemed guilty
of any manner of trespass  and without  prejudice to any remedies for arrears of
rent or preceding  breach of  covenants.  Should  landlord  elect to re-enter as
provided in this Section 32(b), or should  Landlord take possession  pursuant to
legal  proceedings or pursuant to any notice provided for by law,  Landlord may,
from time to time,  without  terminating  this Lease,  relet the Premises or any
part thereof for such term or terms
<PAGE>

and at such rental or rentals,  and upon such other  conditions  as Landlord may
deem advisable,  with the right to make alterations and repairs to the Premises.
No such re-entry or  repossession of the Premises by Landlord shall be construed
as an election  on  Landlord's  part to  terminate  this Lease  unless a written
notice of  termination  is given to  Tenant by  Landlord.  No such  re-entry  or
repossession  of  the  Premises  shall  relieve  Tenant  of  its  liability  and
obligation  under this  Lease,  all of which  shall  survive  such  re-entry  or
repossession.  Upon the  occurrence of such re-entry or  repossession,  Landlord
shall be entitled to the amount of the  monthly  Base Rent,  and any other sums,
which  would be payable  hereunder  if such  re-entry  or  repossession  had not
occurred,  less the net proceeds, if any, of any reletting of the Premises after
deducting  all  of  Landlord's  expenses  in  connection  with  such  reletting,
including but without limitation, all repossession costs, brokerage commissions,
legal expenses,  reasonable  attorney's fees, expenses of employees,  alteration
costs and  expenses of  preparation  for such  reletting.  Tenant shall pay such
amount to  Landlord  on the days on which  the Base  Rent or any other  sums due
hereunder would have been payable  hereunder if possession had not been retaken.
In no event shall Tenant be entitled to receive the excess,  if any, of net rent
collected  by Landlord as a result of such  reletting  over the sums  payable by
Tenant to Landlord hereunder.  Notwithstanding the provisions of this Section 32
or any other  provision of this Lease to the  contrary,  (a) Landlord  shall not
have the right to accelerate the rent and other charges due hereunder so long as
Tenant is not in  default in the  payment of any rent or charges  due under this
Lease for a period of more than  thirty  (30) days;  (b) any costs and  expenses
incurred by Landlord in attempting to relet the Premises  (including  renovation
expenses,  reasonable  attorney  fees and any free rent granted to a new tenant)
shall  be  spread  over the  entire  term of the new  lease,  and the rent to be
received by Landlord shall be likewise determined at an average annual rate over
the entire  term of such  lease,  and  Tenant  shall be  obligated  only for the
expenses attributable to the balance of the Term and Tenant shall receive credit
for such rent  attributable  to the Term;  and (c) in  exercising  its  remedies
pursuant to this Lease,  Landlord shall use commercially  reasonable  efforts to
mitigate its damages.

         (c) If Tenant shall  default in making any payment  required to be made
by Tenant (other than payments of Base Rent) or shall default in performing  any
other  obligations of Tenant under this Lease (after  applicable  grace and cure
periods),  Landlord  may, but shall not be obligated to, make such payment or on
behalf  of  Tenant,  expend  such  sum as  may  be  necessary  to  perform  such
obligation.  All sums so  expended  by  Landlord  with  interest  thereon at the
Default Rate shall be repaid by Tenant to Landlord as  additional  rent. No such
payment or expenditure by Landlord shall be deemed a waiver of Tenant's  default
nor shall it affect any other remedy of Landlord by reason of such default.
<PAGE>

         If  Tenant  shall  fail  to pay  by the  fifth  day  of the  month  any
installment  of Base Rent due on the first of the month (even if such failure is
timely  cured),  Landlord may charge and Tenant  shall pay upon demand  interest
thereon  at the  Default  Rate from the first day of the month and a  collection
charge (in addition to any reasonable  attorney's  fees incurred)  equal to five
percent (5%) of the amount of said late  payment.  If either party shall fail to
pay when due any sum other  than Base Rent due under  this  Lease  (even if such
failure is timely  cured),  the receiving  party may charge and the paying party
shall pay upon  demand  interest  thereon at the Default  Rate,  and if any such
amount is not paid within ten (10) days after written notice of  delinquency,  a
collection charge (in addition to any reasonable attorney's fees incurred) equal
to five percent (5%) of the amount of said late payment.


         Section 33.  LANDLORD'S DEFAULT

         If Landlord  defaults  in the  performance  of any of its  obligations,
covenants and  warranties  hereunder and such default  continues for a period of
thirty (30) days after written notice thereof to Landlord from Tenant specifying
the nature of such default, or such additional period as Landlord may reasonably
require to cure the same (except in an  emergency  that  Landlord  shall fail to
cure  immediately),  in addition to all other rights and  remedies  available to
Tenant,  Tenant  may,  at its  option,  cure the  same on  behalf  of  Landlord,
whereupon  the cost of such curing  plus  interest  thereon at the Default  Rate
shall be immediately due and payable to Tenant from Landlord upon written demand
therefor by Tenant. Failure of Landlord to reimburse Tenant shall entitle Tenant
to deduct the costs thereof from the next subsequent rents due hereunder. Tenant
shall not have the remedy of termination of this Lease unless Landlord's default
is so  substantial  as  to  make  the  Premises  untenantable,  or  Landlord  is
repeatedly  in default  in a  persistent  manner on a subject  of a  substantial
nature;  provided,  however;  any Tenant right of  termination in such instances
shall still be subject to Landlord's right to cure.




         Section 34.  LANDLORD'S WARRANTIES

         Landlord  represents,  covenants  and  warrants  (i) that it has lawful
title to the Premises and has full right, power and authority to enter into this
Lease;  (ii) that in the  construction of the Building,  the Parking Lot and all
other  improvements on the Premises,  it shall comply with all applicable  laws,
ordinances,  regulations and  requirements of  governmental  authorities  having
jurisdiction  thereof;  and (iii) the Premises  will be  developed,  managed and
maintained in a neat, attractive and reputable manner.
<PAGE>

         Section 35.  NO IMPLIED SURRENDER OR WAIVER

         The failure of either  party to seek  redress for  violation  of, or to
insist upon the strict  performance  of, any covenant or condition of this Lease
or any of the rules and  regulations  set  forth in  Exhibit C to this  Lease or
hereafter  adopted by Landlord  shall not prevent a subsequent  act, which would
have originally constituted a violation, from having all the force and effect of
an original  violation.  The receipt by either  party of any sums due  hereunder
with knowledge of the breach of any covenant of this Lease shall not be deemed a
waiver of such  breach.  The failure of Landlord to enforce any of the rules and
regulations set forth in Exhibit C, or hereafter  adopted,  against Tenant shall
not be deemed a waiver of such rules and regulations or any part thereof. Except
as set forth in this Lease,  no provisions of this Lease shall be deemed to have
been waived by either  party hereto  unless such waiver is in writing  signed by
such party.  No act or thing done by Landlord or  Landlord's  agents  during the
Term of this Lease shall be deemed an acceptance of a surrender of the Premises,
and no  agreement  to accept  such  surrender  shall be valid  unless in writing
signed by Landlord.  No employees of Landlord or of Landlord's agents shall have
any power to accept the keys of the Premises  prior to the  termination  of this
Lease.  The  delivery of keys to any  employee  of  Landlord,  or of  Landlord's
agents,  shall not operate as a termination  of this Lease or a surrender of the
Premises.  No payment by one party,  or receipt by the other party,  of a lesser
amount than any sums due hereunder,  shall be deemed to be other than on account
of the earliest stipulated amount, nor shall any endorsement or statement on any
check or any  letter  accompanying  any  check or  payment  as rent be deemed an
accord  and  satisfaction,  and the  receiving  party may  accept  such check or
payment  without  prejudice to such party's right to recover the balance of such
amount or pursue any other remedy available to such party.  Whenever the consent
or approval of a party is required  under this Lease,  such  consent or approval
shall not be  unreasonably  withheld,  delayed or conditioned  unless  expressly
provided herein to the contrary, and shall be deemed given if such party has not
responded within ten (10) days of the other party's request for the same if such
request  reminds the  recipient  that the request is deemed given if there is no
response  within  ten (10)  days.  Further,  in the event any costs or  expenses
(including  attorney fees) are to be reimbursed by one party to the other,  such
expenses  shall be reasonable in amount and the incurring of such expenses shall
be reasonable.  In the event either party commences arbitration or litigation in
order to enforce its rights  under this Lease or as a result of a default by the
other  party,  the  losing  party  shall pay the  reasonable  attorney  fees and
expenses incurred by the prevailing party.

         Section 36.  TIME IS OF THE ESSENCE

         Time is of the essence hereof.
<PAGE>

         Section 37.  PAYMENTS AFTER TERMINATION

         No payment of money by Tenant to Landlord after the termination of this
Lease, in any manner, or after the giving of any notice (other than a demand for
payment of money) by Landlord to Tenant,  shall reinstate,  continue,  or extend
the Term of this Lease or make  ineffective  any notice given to Tenant prior to
the payment of such money.  After the service of notice or the commencement of a
suit or after final  judgment  granting  Landlord  possession  of the  Premises,
Landlord may receive and collect any sums due hereunder, and the payment of such
sums shall not make ineffective any notice,  or in any manner affect any pending
suit or any judgment theretofore obtained.

         Section 38.  NO REPRESENTATIONS; ENTIRE AGREEMENT

         Landlord,   Tenant   and   their   respective   agents   have  made  no
representations, warranties, agreements or promises with respect to the Premises
except  such as are  expressed  herein.  The entire  contract  of the parties is
contained  herein,  and  there  are no  promises,  agreements,  representations,
warranties, conditions or understandings,  either oral or written, between them,
other than as are herein set forth.

         Section 39.  BROKERAGE

         Except that  Landlord  has dealt with Callan and Company and has agreed
to pay its brokerage fee in connection  with this Lease,  each party  represents
and warrants  that it has dealt only with Landlord or Tenant,  respectively,  in
connection  with  this  Lease  and that no broker  negotiated  this  Lease or is
entitled to any commission in connection herewith.  Each party further agrees to
indemnify  and hold  harmless  the other  party  with  respect  to any claim for
broker's commission or similar  compensation  brought by any person by reason of
the indemnifying party's acts.

         Section 40.  NOTICE

         Any notice,  demand or communications  concerning the Lease by Landlord
to Tenant shall be in writing and shall be deemed sufficiently given or rendered
if delivered  personally to Tenant or any of its  officers,  or three days after
having been sent by United States certified or registered  mail,  return receipt
requested,  postage prepaid, or one (1) business day after having been sent by a
nationally  recognized  overnight  delivery service,  addressed to Tenant at the
most current address of Tenant known by Landlord,  or, after commencement of the
Term of this  Lease,  at the  Premises.  Any  notice,  demand  or  communication
concerning  this Lease by Tenant to  Landlord  shall be in  writing  and must be
served by certified or registered United States mail,  postage prepaid,  or sent
by a nationally recognized overnight delivery
<PAGE>

service, addressed to Landlord at 6676 Gunpark Drive, Suite D, Boulder, Colorado
80301.  Either  party shall have the right to  designate  in writing,  served as
above, a different address to which any notice, demand or communication is to be
mailed.

         Section 41.  AMENDMENT OR MODIFICATION

         Except  as  herein  otherwise  provided,   no  amendment,   alteration,
modification  of or  addition  to this Lease  shall be valid or  binding  unless
expressed in writing and signed by the party or parties to be bound thereby.

         Section 42.  DEFINITION OF LANDLORD

         The term  "Landlord"  as used in this  Lease,  so far as  covenants  or
obligations on the part of Landlord are concerned,  shall be limited to mean and
include only the owner or owners at the time in question of the Premises. In the
event  that  the  interest  of the  Landlord  herein  named in the  Premises  is
transferred,  whether by sale, lease or sublease, foreclosure, or otherwise, the
named  Landlord  shall be and  hereby  is  entirely  freed and  relieved  of all
covenants  and  obligations  of Landlord  hereunder,  and it shall be deemed and
construed  without further  agreement between the parties or their successors in
interest,  or between the parties and any such  transferee  that such transferee
has assumed and agreed to carry out any and all covenants and obligations of the
named  Landlord,  whether  accruing  before  or after the  transfer,  and is the
Landlord hereunder.

         Section 43.  SEVERABILITY

         If any  clause  or  provision  of this  Lease is  illegal,  invalid  or
unenforceable  under  present or future laws  effective  during the Term of this
Lease,  then and in that event,  it is the intention of the parties  hereto that
the  remainder  of this  Lease  shall not be  affected  thereby.  It is also the
intention  of the parties to this Lease that in lieu of each clause or provision
of this Lease that is  illegal,  invalid or  unenforceable,  there be added as a
part of this Lease a clause or  provision  as similar in terms to such  illegal,
invalid or  unenforceable  clause or  provision as may be possible and be legal,
valid and enforceable.

         Section 44.  CAPTIONS; GENDER AND NUMBER

         The caption of each  Section is added as a matter of  convenience  only
and shall be  considered  of no effect in the  construction  of any provision or
provisions of this Lease. The term "Tenant" herein, or any pronoun used in place
thereof, shall include the masculine,  feminine,  singular, plural, individuals,
partnerships or corporations where applicable.

         Section 45.  SUCCESSORS, ASSIGNS; JOINT AND SEVERAL LIABILITY
<PAGE>

         The covenants,  conditions and agreements contained in this Lease shall
bind and inure to the benefit of Landlord and Tenant and their respective heirs,
distributees, executors, administrators, and successors.

         Section 46.  GOVERNING LAW

         This Lease shall be governed by and  interpreted in accordance with the
laws of the State of Colorado.

         Section 47.  MEMORANDUM

         This Lease shall not be recorded, but Landlord and Tenant shall execute
and  record,  at  Tenant's  option  and  expense,  a  memorandum  of this  Lease
(including the right of first refusal) in the office of the Boulder County Clerk
and Recorder.

         Section 48.  OPTIONS TO EXTEND

         (a) Grant of First  Option.  Tenant shall have the option to extend the
Term of this  Lease for an  additional  five (5)  years  (the  "First  Option");
provided  that Tenant is not in default  under this Lease beyond any  applicable
notice and cure periods.

         (b) Exercise of First Option. Tenant may only exercise its First Option
by written  notice to  Landlord  served  upon  Landlord  during the time  period
between  twelve (12) months and six (6) months  prior to the end of the original
Term. Once such notice is served,  the Term of the Lease shall  automatically be
modified  so that the Term of the Lease  shall end at 11:59 p.m. on the last day
of the calendar  month in which the twentieth  anniversary  of the  Commencement
Date occurs.

         (c) Grant of Second  Option.  Provided  that Tenant has  exercised  its
First Option,  Tenant shall have the option to extend the Term of this Lease for
another five (5) year  additional  period (the "Second  Option");  provided that
Tenant is not in default under this Lease beyond any applicable  notice and cure
periods,  at the time the Second Option is  exercised,  the First Option and the
Second  Option shall also be referred to herein  separately as the "Option Term"
and together as the "Option Terms".

         (d)  Exercise of Second  Option.  Tenant may only  exercise  its Second
Option by written notice to Landlord served upon Landlord during the time period
between  twelve (12)  months and six (6) months  prior to the end of the Term as
modified by the exercise of the First  Option.  Once such notice is served,  the
Term of the Lease shall be automatically  modified so that the Lease will end at
11:59  p.m.  on the last day of the  calendar  month in which  the  twenty-fifth
anniversary of the Commencement Date occurs.
<PAGE>

         (e) Option Rent. If Tenant exercises its option to extend in accordance
with the  provisions  of this  Section 48, this Lease shall be extended  for the
applicable  Option  Term at an annual  Base Rent,  as  determined  by  agreement
between Landlord and Tenant or, if no agreement is reached,  equal to the market
rental  value  of  the  Premises  for  the  five-year  Option  Term  as  of  the
commencement  date of the  applicable  Option Term as determined by appraisal in
accordance with the provisions of this Section 48, provided,  however, that such
annual  Base Rent for the  Option  Term  shall not in any event be less than the
annual Base Rent in effect as of the last day of the immediately  preceding Term
or Option Term.

         After  receipt of notice of Tenant's  exercise of its option to extend,
and after  verbal  discussion  with  Tenant  as to the  appropriate  Base  Rent,
Landlord shall deliver to Tenant  Landlord's  proposed  annual Base Rent for the
applicable Option Term. If Tenant disagrees with Landlord's proposed annual Base
Rent for the Option  Term,  and if the parties  cannot agree upon an annual Base
Rent by the date that is five (5) months prior to the expiration of then current
Term or Option  Term,  then the annual  Base Rent for the  Option  Term shall be
determined as follows:

         Landlord  and  Tenant  will  each  promptly  choose  one  disinterested
commercial real estate appraisal firm of recognized competence and experience in
the Boulder market and each firm shall designate an appraiser,  who must have at
least ten years of commercial  appraising experience in eastern Colorado and who
must be either a Senior Real  Property  Appraiser  of the Society of Real Estate
Appraisers or a member of the American Institute of Real Estate  Appraisers,  to
perform an  appraisal  of the fair market  rental  value of the Premises for the
applicable  Option  Term.  By that date  which is four (4)  months  prior to the
expiration of the initial Term or Option Term, as the case may be, at a mutually
agreeable time and place,  Landlord and Tenant shall simultaneously  exchange in
writing the two fair market rental value appraisals of the Premises.  If the two
fair market  rental values of the  Premises,  as  determined  by such  appraisal
firms, are within ten percent (10%) of each other (i.e., if the lower of the two
appraised values, on a present value basis, is at least 90% of the higher of the
two appraised  values,  on a present value basis),  the fair market value of the
Premises for the Option Term shall be deemed to be the average of such appraised
rent  values.   Such  average   appraised  rental  values  shall  be  final  and
conclusively  binding on the two parties.  Prior to submitting their appraisals,
the two  appraisal  firms shall select  (subject to the approval of Landlord and
Tenant)  a  third  disinterested   commercial  real  estate  appraisal  firm  of
comparable  qualifications to perform the same appraisal,  if necessary.  If the
two fair market rental  values shown by the two  appraisal  firms are not within
10% of each other, then the third appraisal firm shall,  within thirty (30) days
after the  exchange of the two fair market  rental value  appraisals,  determine
which of the two  appraisals  is  closest to its  opinion as to the fair  market
rental value of the Premises for the applicable  Option Term in
<PAGE>

accordance with the foregoing  instructions  and such third appraisal firm shall
notify Landlord and Tenant of its determination.  The appraisal so chosen by the
third appraisal firm shall be final and  conclusively  binding on the parties as
to the fair market rental value of the Premises for the applicable  Option Term.
Landlord and Tenant will be  responsible  for  compensating  the appraisal  firm
selected by each,  and the third  appraisal  firm, if any,  shall be compensated
equally by the parties.

         In the event the annual Base Rent for the Option Term is not determined
until after the commencement  date of the applicable  Option Term,  Tenant shall
continue  paying the annual Base Rent payable  under the Lease for the preceding
Lease  Year  and,  at such  time as any  increase  in the  annual  Base  Rent is
determined,  (i) the annual  Base Rent shall be  retroactively  adjusted  to the
commencement  date of the  applicable  Option Term,  (ii) Tenant  shall  (within
thirty (30) days of  Landlord's  written  demand) pay to Landlord the  increased
annual Base Rent for the period between the commencement  date of the applicable
Option  Term and the last day of the month in which  Landlord's  demand for such
payment is made,  and (iii)  commencing on the first day of the month  following
the month in which  such  demand for the lump sum  payment is made by  Landlord,
Tenant shall start making  payments of monthly  installments of annual Base Rent
in the  recomputed  amount.  Once  annual Base Rent for the Option Term has been
established,  each of the parties agree,  on the demand of the other, to execute
an  appropriate  amendment  to the Lease to  incorporate  the  annual  Base Rent
established.

         (f) All Other  Provisions of the Lease to Remain the Same During Option
Periods.  All the  provisions  of the Lease  shall  remain  the same  during the
extended Terms in the event either or both of the options granted  hereunder are
exercised (including the payment of Operating Costs), except for Option Rent, as
provided in Section 48(d) above.  If the Term of the Lease is extended as herein
provided,  the term  "Term" as used  herein  shall  include  such Option Term or
Terms.

         Section 49.  RIGHT OF FIRST REFUSAL

         (a) Right of First  Refusal.  If at any time  during the Term  Landlord
proposes  to  sell  the  Premises  (for  example,  where  Landlord  receives  an
unsolicited  offer it proposes to accept) or list them for sale,  Landlord shall
first make a written  offer to sell the Premises to Tenant on the same terms and
conditions on which the Landlord proposes to transfer or list the Premises.

         (b)  Acceptance of Offer.  The Tenant shall have the right for a period
of thirty  (30) days after  receipt of the offer from the  Landlord  to elect to
purchase  the  Premises,  during  which  time  Tenant  may  conduct  any and all
inspections of the Premises. The making of a counteroffer by Tenant shall not be
deemed a rejection of Landlord's offer or otherwise shorten Tenant's thirty (30)
day period to accept
<PAGE>

Landlord's offer. To exercise this right of first refusal, the Tenant shall give
written notice to the Landlord within said thirty-day  period.  Upon exercise of
the right of first  refusal,  the sale shall be closed and  payment  made on the
terms set forth in the offer made to Tenant  pursuant to Section  49(a),  except
that  Tenant  shall be entitled to a credit  against the  purchase  price in the
amount of one-half of the amount of the brokerage commission Landlord would have
paid but avoided by selling to Tenant, and except for the time for closing which
shall be conducted  at a time and place  acceptable  to the  parties,  but in no
event  later than one  hundred  twenty  (120)  days  after  receipt by Tenant of
Landlord's offer.

         (c) Failure to Accept  Offer.  If Tenant does not elect to purchase the
Premises in  accordance  with  Section  49(b)  above,  or if the purchase is not
closed,  then  Landlord may  transfer  the Premises  within six (6) months after
making the offer to Tenant to an  unaffiliated  third  party  pursuant to a bona
fide arm's length agreement at a price not less than ninety percent (90%) of the
price  offered  to  Tenant  or at a  price  not  less  than  the  Tenant's  last
counter-offer  to Landlord,  whichever is greater,  and Tenant's  first right of
refusal shall  thereupon  terminate.  In the event Landlord does not so transfer
the Premises  within such six (6) month  period,  then  Tenant's  first right of
refusal  shall  continue.  In any event,  Tenant's  first right of refusal shall
terminate at the end of the Term or earlier termination of this Lease.

         (d) Trade.  The sale that Landlord may make after Tenant does not elect
to purchase the Premises under Section  49(c),  or such a purchase is not closed
may be pursuant to a trade for other property so long as such other property has
a fair market value of at least  ninety  percent  (90%) of the price  offered to
Tenant  pursuant to Section  49(a)  above,  or not less than the  Tenant's  last
counter-offer to Landlord, whichever is greater.

         (e) Transfer to Related  Entity.  The Tenant's  right of first  refusal
granted  under  this  Section  49 shall  not  apply to any  transaction  whereby
Landlord  transfers  the  Premises to  Landlord's  Members or  relatives  of the
Members  of  Landlord  or to an  entity  in  which  any of them  own  beneficial
interests;  provided,  however,  that in such  event the first  right of refusal
shall  continue  and the  interest  of the  transferee  partnership  or  limited
liability company shall be subject to this first right of refusal.

         (f) Tenant's  Rights.  Landlord  hereby  agrees not to grant  purchase,
option or first  refusal  rights of any kind with respect to the Premises or any
part thereof or any interest therein,  to any person or party other than Tenant,
unless the same are expressly made subject to the rights of Tenant hereunder.

         (g) Sale of Property to a Third Party. If Tenant elects not to exercise
its right of first refusal and the Premises are sold to a third-party,  the sale
shall be subject to this Lease  except  that this first  right of refusal  shall
have terminated.
<PAGE>

         (h) Part of Premises.  Tenant's first right of refusal shall also apply
when Landlord  proposes to sell or list a part of the  Premises,  in which event
Landlord  shall  offer the part of the  Premises  it proposes to list or sell to
Tenant and the  provisions  of this  Section 49 shall also govern such offer and
first right of refusal.

         Section 50: LENDERS PROTECTION CLAUSE

         Tenant agrees to give each holder of a mortgage, deed of trust or other
encumbrance  secured by the  Premises,  by  certified  or  registered  mail,  or
nationally  recognized  overnight  delivery  service,  a copy of any  notice  of
default served upon the Landlord,  provided that prior to such notice Tenant has
been notified in writing of the address of such holder.  Tenant  further  agrees
that all of such  holders  shall  have  thirty  (30)  days from the date of such
notice  within  which to cure such  default or if such  default  cannot be cured
within that time,  then in such  additional  time as may be  necessary if within
such thirty (30) days, such holder 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 shall not be terminated  while such remedies are being so
diligently pursued. The preceding sentence is not intended to alter or delay any
rights the Tenant may have  hereunder  or by law,  except to prohibit any Tenant
right to terminate this Lease until the notice and cure opportunity set forth in
the preceding sentence have been given.

         EXECUTED as of the date first set forth above.



LANDLORD:                                            TENANT:

MUM IV, LLC                                 HELIX TECHNOLOGY CORPORATION


By       /s/Donald W. Unkefer               By       /s/Michael El-Hillow
         ----------------------------                ---------------------------
         Donald W. Unkefer                           Michael El-Hillow
         General Manager                             Senior Vice President and
                                                     Chief Financial Officer




<PAGE>


                                    EXHIBIT A

                          Recorded Plan of the Premises





<PAGE>


                                    EXHIBIT B

                        Building Plans and Specifications



<PAGE>


                                    EXHIBIT C

                              Rules and Regulations

         The Rules and Regulations set forth in this Exhibit shall be and hereby
are made a part of the  Lease to which  they  are  attached.  Whenever  the term
"Tenant" is used in these rules and  regulations,  it shall be deemed to include
Tenant, its employees,  agents, or invitees. The following rules and regulations
may from time to time be modified by Landlord in the manner set forth in Section
27 of the Lease.

         1. Use of the Water  Fixtures.  Water closets and other water  fixtures
shall not be used for any purpose  other than that for which they are  intended,
and any damage  resulting to such fixtures from misuse on the part of the Tenant
shall be paid for by  Tenant,  except to the  extent  such  payment is made from
proceeds of insurance to Landlord.

         2. Trash.  All trash shall be placed in receptacles  provided by Tenant
on the Premises.

         3. Hazardous  Operations and Items. Tenant shall not bring or permit to
be brought or kept in or on the Premises by hazardous, flammable, combustible or
explosive  fluid,  material,  chemical or  substance  except those that shall be
handled in a safe manner according to OSHA standards and the environmental  laws
set forth in Section 29.

         4. Outside  Storage.  There shall be no outside storage of any articles
of any  nature  unless  it is  screened  from  adjacent  rights  of way or other
building sites in the subdivision in a manner approved by Landlord.

         5.  Captions.  The caption for each of these rules and  regulations  is
added as a matter of  convenience  only and shall be  considered of no effect in
the construction of any provision or provisions of these rules.



<PAGE>


                                    EXHIBIT D

                           Covenants and Restrictions








                           SUPPLEMENTAL BENEFIT PLAN
                                       OF
                          HELIX TECHNOLOGY CORPORATION

                             Effective April 1, 1999


         Section 1. Purpose.  This Supplemental Benefit Plan of Helix Technology
Corporation  (the  "Supplemental  Benefit  Plan")  provides  for the  payment of
additional  compensation to certain  employees of Helix  Technology  Corporation
(the  "Company") to  compensate  them for benefits not payable to them under the
Helix Technology Corporation Employees' Pension Plan (the "Pension Plan") due to
limits on Pension Plan  benefits  imposed by the  Internal  Revenue Code of 1986
(the "Code").

         Section 2.  Eligibility.  A person is eligible for benefits  under this
Supplemental  Benefit  Plan if the person is an employee of the Company who is a
participant  in the Pension Plan and who has been  designated  by the  Company's
Board  of  Directors  as a  participant  in this  Supplemental  Benefit  Plan (a
"Participant").

         Section 3. Supplemental  Benefit.  The benefit payable to a Participant
under this Supplemental Benefit Plan (the "Supplemental  Benefit") is the excess
of (a) the  benefit  that would be payable to the  Participant  from the Pension
Plan if the benefit under the Pension Plan were calculated without regard to the
limitation  on the amount of the benefit  imposed by section  415(b) of the Code
and the limitation on the amount of compensation  that may be taken into account
in calculating  the benefit  imposed by section  401(a)(17) of the Code over (b)
the benefit  actually  payable from the Pension Plan. The  Supplemental  Benefit
will be determined on a single life annuity basis.  Actuarial  equivalence under
this Plan, including  conversions to other permitted forms of benefits,  will be
based on the actuarial  assumptions  in the Pension Plan at the time the benefit
begins to be paid from the Pension Plan.

         Section 4. Time and Manner of Payment.  Subject to the other provisions
of this Plan, the Company will pay the  Supplemental  Benefit to the Participant
at the same  time or times  and in the same  form or forms as the  Participant's
benefit is paid from the Pension  Plan.  All forms of benefit  payable under the
Supplemental Benefit Plan will be actuarilly equivalent.

         Section 5.  Death.  If the  Participant  dies  before his or her entire
benefit has been paid from this Supplemental Benefit Plan, any unpaid portion of
the  Supplemental  Benefit will be paid to the same extent,  at the same time or
times, in the same form or forms,  and to the same  beneficiary or beneficiaries
as a death benefit is paid to the  Participant's  beneficiary  or  beneficiaries
under the Pension Plan.

         Section 6. Company's Right to Change Time or Manner of Payment.  In the
best interest of the financial  integrity and administration of the Supplemental
Benefit Plan,  the Company may, at any time at or after  occurrence of the event
that causes a Participant's
<PAGE>

Supplemental  Benefit to begin to be paid,  shorten  the  period  over which the
Supplemental  Benefit will be paid or change the form in which the  Supplemental
Benefit  will be paid,  provided  that the  changed  period or form  produces  a
benefit that is actuarially  equivalent to the  Supplemental  Benefit payable at
the time and in the form that the  Participant's  benefit  is  payable  from the
Pension Plan.

         Section 7. Unfunded  Obligation;  Trust. The obligations of the Company
to make payments  under this Plan will be unfunded,  except that the Company may
in its discretion arrange for a trust to hold assets that may be used to satisfy
the Company's  obligations under the Plan, but only if the establishment of such
a trust will not cause  Participants  to have any rights  under this Plan or the
trust  greater  than the rights of general  unsecured  creditors of the company.
Participants may not assign their rights under this Plan.

         Section  8.  Separable  Plan.  To the  extent  that this Plan  provides
benefits in excess of the limit of section 415 of the Code, those benefits shall
be a separable part of the Plan; and that separable part will be a separate plan
that is an excess  benefit  plan  within the  meaning  of  section  3(36) of the
Employee Retirement Income Security Act of 1974, as amended.

         Section 9.  Administration.  This  Plan  will  be  administered  by the
Human  Resources  and  Compensation  Committee  of the Board of  Directors  (the
"Administrator"). The Administrator is the named fiduciary of the Plan.

         Section  10.  Effective  Date;  Amendment;  Termination.  This  Plan is
effective  for  benefits  paid on or  after  April  1,  1999.  the  Plan  may be
terminated or amended in any respect by the Administrator, provided that no such
termination  or amendment may reduce the benefit  payable to a Participant  with
respect to the benefit earned before the date of such  termination or amendment.
The Company's obligations under this Plan shall be binding upon any successor to
substantially all the assets and business of the Company.

         Section 11.  Governing Law.  To the extent not governed by federal law,
this Plan will be construed,  enforced,  and administered in accordance with the
laws of the Commonwealth of Massachusetts.

         By signing this document,  a duly authorized officer of the Company has
acknowledged adoption of this Plan by the Company.

                                                   HELIX TECHNOLOGY CORPORATION


                                                   By    /s/Michael El-Hillow
                                                         ---------------------
                                                         Michael El-Hillow
                                                         Senior Vice President



Exhibit 21.     Subsidiaries of the Registrant


                                                            Percentage of Voting
Subsidiary                       Place Organized              Securities Owned

Helix Securities
Corporation                      Massachusetts                 Wholly owned

CTI-Cryogenics, Inc.             Barbados                      Wholly owned

CTI-Cryogenics Ltd.              England                       Wholly owned

CTI-Cryogenics SA                France                        Wholly owned

CTI-Cryogenics GmbH              Germany                       Wholly owned

Helix Technology KK              Japan                         Wholly owned

Granville-Phillips Company       Washington                    Wholly owned

Helix Taiwan Ltd.                Taiwan                        Wholly owned






Exhibit 23.     Consent of Experts and Counsel


                       CONSENT OF INDEPENDENT ACCOUNTANTS




To The Board Of Directors and Stockholders
of Helix Technology Corporation:


         We  consent  to the  incorporation  by  reference  in the  registration
statement of Helix Technology  Corporation on Form S-8 (File No. 2-83974) of our
reports  dated  January 21, 2000,  on our audits of the  consolidated  financial
statements and financial  statement schedule of Helix Technology  Corporation as
of December 31, 1999 and 1998, and for the years ended  December 31, 1999,  1998
and 1997, which reports are included in this Annual Report on Form 10-K.




/s/PricewaterhouseCoopers LLP
- -----------------------------
PricewaterhouseCoopers LLP
Boston, Massachusetts
March 17, 2000


<TABLE> <S> <C>


<ARTICLE>                     5
<MULTIPLIER>                                   1000

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                              DEC-31-1999
<PERIOD-END>                                   DEC-31-1999
<CASH>                                         11,408
<SECURITIES>                                   15,912
<RECEIVABLES>                                  19,664
<ALLOWANCES>                                   185
<INVENTORY>                                    18,442
<CURRENT-ASSETS>                               73,907
<PP&E>                                         38,724
<DEPRECIATION>                                 28,093
<TOTAL-ASSETS>                                 93,655
<CURRENT-LIABILITIES>                          22,032
<BONDS>                                        0
                          0
                                    0
<COMMON>                                       22,376
<OTHER-SE>                                     49,247
<TOTAL-LIABILITY-AND-EQUITY>                   93,655
<SALES>                                        139,389
<TOTAL-REVENUES>                               139,389
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