PHOTON TECHNOLOGY INTERNATIONAL INC
10-Q, 1996-02-14
OPTICAL INSTRUMENTS & LENSES
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                                    FORM 10-Q

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


(Mark One)
[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
    ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 1995, or

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

For the transition period from __________________ to  __________________


                       Commission File Number: 33-10943-NY


                      PHOTON TECHNOLOGY INTERNATIONAL, INC.
- --------------------------------------------------------------------------------
(Exact name of registrant as specified in its charter)

       NEW JERSEY                                       22-2494774
- --------------------------------------------------------------------------------
(State of Incorporation)                    (I.R.S. Employer Identification No.)

1 Deerpark Drive, Suite F, South Brunswick, NJ                     08852
- --------------------------------------------------------------------------------
(Address of Principal Executive Offices)                         (Zip Code)

Registrant's Telephone Number, Including Area Code: (908) 329-0910
                                                    --------------


         Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.

Yes [ X ]        No [   ]

The  number  of shares of the  registrants  Common  Stock,  without  par  value,
outstanding as of December 31, 1995 was 3,461,328.
<PAGE>
                                      INDEX


                      PHOTON TECHNOLOGY INTERNATIONAL, INC.


                          PART I. FINANCIAL INFORMATION

Item 1.       Financial Statements: (Unaudited):

              Consolidated Balance Sheets as of December 31, 1995
              and June 30, 1995

              Consolidated Statements of Operations for the
              six months ended December 31, 1995 and 1994

              Consolidated Statement of Operations for the
              quarters ended December 31, 1995 and 1994

              Consolidated Statements of Cash Flows for the
              six months ended December 31, 1995 and 1994

              Notes to Consolidated Financial Statements

Item 2.       Management's Discussion and Analysis of
              Financial Condition and Results of Operations for the second
              quarter and six months ended December 31, 1995


                           PART II. OTHER INFORMATION

Item 1.       Legal Proceedings

Item 2.       Changes in Securities

Item 3.       Defaults Upon Senior Securities

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

Item 5.       Other Information

Item 6.       Exhibits and Reports on Form 8-K

SIGNATURES

EXHIBITS
<PAGE>
                          PART I. FINANCIAL INFORMATION

Item 1.   Financial Statements


PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED BALANCE SHEETS
<TABLE>
<CAPTION>
                                                     December 31      June 30
                                                         1995           1995
                                                     -----------    -----------
                                                     (Unaudited)
<S>                                                  <C>            <C>        
ASSETS

CURRENT ASSETS
 Cash and cash equivalents .......................   $   720,558    $    46,364
 Trade accounts receivable, less allowances
  of $16,768 in Dec. 1995 ($3,568 in June 1995) ..     1,889,339      1,413,779
 Inventory
   Finished goods ................................       590,222        775,609
   Work in process ...............................       547,670        401,738
   Raw materials .................................       760,070        462,863
                                                     -----------    -----------
                                                       1,897,962      1,640,210

 Receivable from employees .......................         9,694         28,834
 Prepaid expenses and other current assets .......       542,453        281,598
                                                     -----------    -----------
         TOTAL CURRENT ASSETS ....................     5,060,006      3,410,785

PROPERTY, PLANT AND EQUIPMENT
 Furniture and fixtures ..........................       140,499        160,151
 Machinery and equipment .........................     1,592,428      1,546,227
                                                     -----------    -----------
                                                       1,732,927      1,706,378
 Accumulated depreciation ........................    (1,364,808)    (1,278,313)
                                                     -----------    -----------
                                                         368,119        428,065

OTHER ASSETS .....................................     1,802,264        983,498
                                                     -----------    -----------
                                                     $ 7,230,389    $ 4,822,348
                                                     ===========    ===========
</TABLE>


See notes to Consolidated Financial Statements

Note: The balance sheet at June 30, 1995 has been derived from audited financial
statements at that date.
<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED BALANCE SHEETS - Continued
<TABLE>
<CAPTION>
                                                                  December 31           June 30
                                                                     1995                1995
                                                                  -----------         -----------
                                                                  (Unaudited)
<S>                                                               <C>                 <C>        
LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES
  Bank indebtedness ......................................        $ 1,346,841         $ 1,022,689
  Accounts payable .......................................            866,690             774,923
  Deferred income ........................................              9,257              42,024
  Accrued expenses .......................................            140,618             247,948
  Captial lease obligation ...............................              9,761              21,715
  Current portion of long term debt ......................            267,336             275,407
                                                                  -----------         -----------
         TOTAL CURRENT LIABILITIES .......................          2,640,503           2,384,706

DEFERRED INCOME TAXES ....................................             56,972              86,000
LONG TERM DEBT-SUBORDINATED ..............................          1,650,111             590,761
LONG TERM DEBT-OTHER .....................................            529,077             541,199
MINORITY INTEREST - PHOTOMED GMBH ........................               --                59,926

SHAREHOLDERS' EQUITY Preferred stock, $1,000 par value:
   Authorized 500 shares; no shares
    issued or outstanding
  Common stock, $.01 par value:
   Authorized 10,000,000 shares; issued 3,627,200
   shares including 165,872 shares in treasury
   (Sept. 1995) and 315,872 shares in treasury (June 1995)             26,272              26,272
  Additional paid-in capital .............................          6,246,892           5,278,879
  Accumulated deficit ....................................         (3,642,706)         (3,855,815)
  Treasury stock, at cost ................................            (56,433)           (107,466)
  Cumulative foreign currency
    translation adjustment ...............................           (220,299)           (182,114)
                                                                  -----------         -----------

         TOTAL SHAREHOLDERS' EQUITY ......................          2,353,726           1,159,756
                                                                  -----------         -----------
                                                                  $ 7,230,389         $ 4,822,348
                                                                  ===========         ===========
</TABLE>
See notes to Consolidated Financial Statements.


Note:  The  balance  sheet at June 30,  1995 has been  derived  from the audited
financial statements at that date.
<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
<TABLE>
<CAPTION>
                                                           Six Months Ended
                                                              December 31
                                                    ----------------------------
                                                       1995             1994
                                                    -----------      -----------
                                                    (Unaudited)
<S>                                                 <C>              <C>        
REVENUES
  Net sales ...................................     $ 4,461,096      $ 3,644,377
  Other income ................................          37,847           69,029
                                                    -----------      -----------
                                                      4,498,943        3,713,406

COSTS AND EXPENSES
  Cost of products sold .......................       1,860,361        1,524,305
  Selling, general and administrative .........       1,692,809        1,351,392
  Research and development ....................         480,740          216,106
  Interest ....................................         120,913           43,322
  Depreciation and amortization ...............          87,843           92,881
  Goodwill amortization .......................          75,132             --
  Start up expenses - subsidiary ..............            --            326,984
  Foreign exchange (gain) loss ................          (5,311)           3,432
                                                    -----------      -----------
                                                      4,312,487        3,558,422

Income before income taxes ....................         186,456          154,984

Deferred income tax credit ....................         (26,654)            --
                                                    -----------      -----------

Net income ....................................         213,110          154,984
                                                    ===========      ===========

Net income per common share ...................     $       .08      $       .07
                                                    ===========      ===========

Weighted average number of common
 shares outstanding ...........................       2,592,475        2,289,948
                                                    ===========      ===========
</TABLE>
                 See notes to Consolidated Financial Statements.
<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
<TABLE>
<CAPTION>
                                                           Second Quarter
                                                          Ended December 31
                                                    ----------------------------
                                                       1995             1994
                                                    -----------      -----------
<S>                                                 <C>              <C>        
REVENUES
  Net sales ...................................     $ 2,512,403      $ 2,170,690
  Other income ................................          10,956           36,961
                                                    -----------      -----------
                                                      2,523,359        2,207,651

COSTS AND EXPENSES
  Cost of products sold .......................       1,053,261          892,161
  Selling, general and administrative .........         931,746          724,532
  Research and development ....................         264,022           83,023
  Interest ....................................          80,913           28,165
  Depreciation and amortization ...............          43,918           46,263
  Goodwill amortization .......................          34,670             --
  Start-up expenses-subsidiary ................            --            326,984
  Foreign exchange (gain) loss ................               2            2,695
                                                    -----------      -----------
                                                      2,408,530        2,103,823
                                                    -----------      -----------

Income before income taxes ....................         114,829          103,828

Deferred income tax credit ....................         (14,514)            --
                                                    -----------      -----------

Net income ....................................         129,341          103,828
                                                    ===========      ===========

Net income per common share ...................     $       .05      $       .05
                                                    ===========      ===========

Weighted average number of common
shares outstanding ............................       2,722,784        2,297,889
                                                    ===========      ===========
</TABLE>
                 See notes to Consolidated Financial Statements
<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
<TABLE>
<CAPTION>
                                                                 Six Months Ended
                                                                    December 31
                                                           -------------------------------
                                                              1995                1994
                                                           -----------         -----------
<S>                                                        <C>                 <C>        
OPERATING ACTIVITIES:
Net income ........................................        $   213,110         $   154,984
Adjustments to reconcile net income
  to net cash (used in) provided
  by operating activities:
    Depreciation and amortization .................             87,843              92,881
    Provision for doubtful accounts ...............               --                   570
    Other amortization - intangible assets ........             75,132                --
    Deferred income taxes (credit) ................            (26,654)               --
  Changes in assets and liabilities:
    (Increase) in trade accounts receivable .......           (492,328)           (294,924)
    (Increase) in inventories .....................           (257,752)           (300,426)
    (Increase) in other current assets ............           (241,715)           (277,689)
    (Decrease) increase in accounts payable
     and accrued expenses .........................            (15,563)             67,174
    (Decrease) increase in deferred income ........            (32,767)             35,757
    Decrease (increase) in other assets ...........             56,234            (108,723)
                                                           -----------         -----------
Net cash provided by (used in) operating activities           (634,460)           (630,387)

INVESTING ACTIVITIES:
   Purchare of technology .........................           (875,000)               --
   Minority interest ..............................            (59,926)               --
   Proceeds from maturity of certificate of deposit               --                25,120
   Purchase of plant, property,and equipment ......            (26,549)            (70,196)
                                                           -----------         -----------
   Net cash used in investing activities ..........           (961,475)            (45,076)

</TABLE>
                 See notes to Consolidated Financial Statements

<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) -- Continued
<TABLE>
<CAPTION>
                                                                 Six Months Ended
                                                                    December 31
                                                           -------------------------------
                                                              1995                1994
                                                           -----------         -----------
<S>                                                        <C>                 <C>        
FINANCING ACTIVITIES:
  Net proceeds from issuance of stock to purchase
   49% of PhotoMed GmbH ...........................            132,272                --
  Net proceeds from issuance of stock to purchase
   technology from MLTV ...........................            875,000                --
  Increase borrowings on ODC loan facility ........               --               319,663
  Increase borrowings on notes payable to bank ....            324,152             125,674
  Payment on current portion of long term debt ....            (48,071)               --
  Increase long term debt - subordinated debt .....          1,047,228             258,120
  Principal payment on capital lease obligation ...            (11,954)            (35,698)
  Issue treasury stock in lieu of cash compensation               --                62,265
                                                           -----------         -----------
Net cash provided by financing activities .........          2,318,627             730,024

  Effect of exchange rate changes on cash .........            (48,498)            (13,081)
                                                           -----------         -----------
(Decrease) Increase in cash .......................            674,194              41,480

CASH BALANCE AT THE BEGINNING OF PERIOD ...........             46,364              35,967
                                                           -----------         -----------

CASH BALANCE AT THE ENDING OF PERIOD ..............        $   720,558         $    77,447
                                                           ===========         ===========
</TABLE>
                 See notes to Consolidated Financial Statements
<PAGE>
PHOTON TECHNOLOGY INTERNATIONAL, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

December 31, 1995

NOTE A -- SIGNIFICANT ACCOUNTING POLICIES

The Company is engaged in the research, development, manufacturing and marketing
of proprietary  electro-optical  systems which enable  customers in health care,
environmental  science and industrial process control fields to perform advanced
analysis utilizing light.

The  accompanying  and  unaudited  consolidated  financial  statements of Photon
Technology  International,  Inc. have been prepared in accordance with generally
accepted  accounting  principles  in the  United  States for  interim  financial
information  and with the  instructions to Form 10K and Article 10 of Regulation
S-X.  Accordingly,  they do not include  all of the  information  and  footnotes
required by generally  accepted  accounting  principles  for complete  financial
statements. In the opinion of management,  all adjustments (consisting of normal
recurring  accruals)  considered  necessary  for a fair  presentation  have been
included. Operating results for the six month period ended December 31, 1995 are
not  necessarily  indicative  of the results  that may be expected  for the year
ended  June  30,  1996.  For  further  information,  refer  to the  consolidated
financial  statements  and footnotes  thereto  included in the Company's  annual
report on Form 10K for the year ended June 30, 1995.

NOTE B -- PHOTOMED GMBH

On July 5, 1995,  the Company  acquired the  remaining 49% ownership of PhotoMed
GmbH from its minority  shareholders.  The Company  issued 150,000 common shares
from treasury stock, at a fair market value of $1 per share. As a result of this
transaction,  PhotoMed GmbH became a wholly-owned subsidiary of the Company. The
transaction   is  accounted   for  as  a  business   combination   (step-by-step
acquisition) using the purchase method of accounting.

The purchase price, which was comprised of the issuance of shares, was allocated
as follows:

Goodwill on acquisition                     $ 72,000
Net assets acquired                           78,000
                                            --------
                                            $150,000
                                            ========

NOTE C -- TREASURY STOCK

As a result of acquiring  the remaining 49% ownership of PhotoMed GmbH (see Note
B above) for treasury  stock,  the number of shares in treasury stock  decreased
from 315,872 shares to 165,872 as of July 5, 1995.

NOTE D -- LONG TERM DEBT

On October 31, 1995, the Company  completed a $1,500,000  Canadian dollar ($ 1.1
million  US$)  financing  in the  form of  subordinated  debt  with  C.I.-C.P.A.
Business  Ventures Fund, Inc. of Toronto Ontario Canada.  This subordinated debt
has a term of five (5) years  and an  interest  rate of 12% per year  compounded
monthly,  with  payments  of  interest  only in the first  twelve  (12)  months.
Principal  payments of $6,250 Canadian  dollars will begin November 1996 through
September 2000, with the balance due October 31, 2000. This agreement includes a
first option for 250,000 shares of common stock at $1.25 per share for a term of
five (5) years,  and a second option of 400,000  shares of common stock at $2.50
per share until October 1996,  and then $3.25 per share from November 1996 until
October 1997. The full amount of this sub-debt is classified as long term debt.

On  December 8, 1995,  the Company  entered an  agreement  with M.L.  Technology
Ventures,  L.P. ("MLTV") to repay the outstanding  subordinated debt in the full
amount of  $771,000.  The term of the  agreement  requires  a $20,000  principal
payment per month for a term of twenty-four (24) months. The balance of $291,000
is to be paid at the end of this term.  Under this  agreement,  there will be no
interest  charged or accrued on the  principal  amount of debt provided that the
Company meets the monthly payment schedule.

NOTE E -- PAID IN CAPITAL

On December  8, 1995,  the Company  executed an  agreement  with MLTV (which the
Company had entered  into by  commitment  on  September  20,  1995)  whereby the
Company  issued  1,000,000  shares of common stock for payment of the technology
developed under the joint venture between the Company and MLTV, and MLTV's joint
venture interest.  The 1,000,000 shares of common stock is in full settlement of
the  $627,000  base  purchase  price  option for the  technology  in addition to
royalties  for a five year  period.  The common  shares were  recorded at market
value (bid price) of .875 per share or  $875,000,  and this value is recorded in
"Paid-in-Capital"  The purchase of the technology represents an intangible asset
of $875,000  which was  recorded as an "Other  Asset" and will be amortized on a
straight-line basis over a five (5) year period.
<PAGE>
ITEM 2 -- MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                  AND RESULTS OF OPERATIONS

RESULTS OF OPERATIONS

Net sales for the quarter and six months ended December 31, 1995 of $2.5 million
and $4.5  million,  respectively,  increased  $349,000 or 16.1% and  $824,000 or
22.7%.  These increases in net sales  represent the continued  strength of ratio
fluorescence  systems  sales on a world wide basis for  existing  products.  The
second quarter sales  performance was the highest sales quarter in the Company's
history.

Total  revenue for the quarter and  six-months  ended  December 31, 1995 of $2.5
million and 4.5 million, respectively, which include net sales and other income,
increased  $316,000 or 14.3% and $786,000 or 21.2%.  This performance  primarily
reflects  the impact of increased  net sales.  Other  income  decreased  for the
quarter and six months from the  comparative  prior year  periods as a result of
lower  funding in fiscal  1996 from the  Canadian  government  for direct  labor
training  support  programs,  which were impacted by budget  constraints year to
year.

Cost of products sold for the second  quarter of fiscal 1996 was $1.1 million or
41.9% of net sales, which compares to $892,000 or 41.2% of net sales in the same
period of fiscal  1995.  This  increase of $161,000 or 18.1% in cost of products
sold primarily  relates to the real volume increase in sales.  The increase as a
percentage  of sales from 41.2% to 41.9%  relates to the mix of  products  sold.
Cost of  products  sold for the six  months  ended  December  31,  1995 was $1.9
million  or 41.7% of net sales in  comparison  to $1.5  million  or 41.9% of net
sales; an increase of $336,000 or 22.0%.  This cost increase closely follows the
increase in sales volume.

Selling,  general and administrative expenses of $932,000 for the second quarter
and $1.7 million for the six months, increased $207,000 or 28.6% and $341,000 or
25.3%,  respectively,  for the comparable periods of fiscal 1995. These expenses
as a percentage of sales increased from 33.4% to 37.1% in the second quarter and
from 37.1% to 37.9% for the six month period. The dollar and percentage of sales
increase  in the  quarter  and six month  periods  primarily  relates  to volume
sensitive  selling  expenses,  investment  to  increase  the  marketing  support
programs,  agent  commissions  due  to mix  of  sales,  and  the  investment  in
additional  sales  personnel to expand sales territory  coverage.  Additionally,
administrative  expenses  were higher due to  financing  related  expenses,  and
increased administrative support expenses related to international operations.

Research and development  expenditures,  as reported,  for the second quarter of
fiscal 1996 were  $264,000 or 10.5% of net sales and for the first six months of
fiscal 1996 totaled  $481,000 or 10.8% of net sales.  In comparison to the prior
year, these expenses  increased $181,000 or 218% for the quarter and $265,000 or
122.5%  for the  six  month  period.  These  increases  primarily  reflected  an
incremental investment in additional staffing for product development support.

Interest  expenses  for the quarter and six months  ended  December  31, 1995 of
$81,000  and  $121,000,  increased  $53,000  or  187.3%  and  $78,000  or 179.1%
respectively.  These  increases  were  primarily due to interest on  incremental
short term borrowing on the credit facilities with the banks,  interest payments
on new sub-debt, and interest payments on the shareholder loan to PhotoMed GmbH.

Depreciation  and  amortization  of $44,000 for the second quarter  decreased by
$2,000 or 5.1% and of $88,000 for the six months  decreased  by $51,000 or 5.4%.
This was primarily due to the impact of lower  amortization  on equipment  under
capital lease pursuant to the amortization schedule.

Goodwill  amortization of $35,000 for the second quarter and $75,000 for the six
months, represents an incremental expense in comparison to the prior year and is
related to the formation and capitalized  start-up expenses of the PhotoMed GmbH
subsidiary in September  1994. The start-up  expenses  related to the subsidiary
and  reported  in  the  second  quarter  of  the  prior  year  was  $327,000,  a
non-recurring  expense in these  comparative  periods and a favorable impact for
the quarter and six months.

Foreign  exchange  represented a nominal gain of $5,000 for the six month period
and had no impact on the second  quarter.  The gains in  comparison to a nominal
loss in the prior year was due to the mix of transactional  activity between the
parent company and international locations.

Deferred  income tax  credits of $15,000  for the  quarter  and  $27,000 for six
months  related to timing  differences  between book and tax income,  which is a
partial  reversal  of deferred  tax  expense  for fiscal  1995 of  $86,000.  The
deferred tax expense,  and the resulting tax credit in the periods relate to the
PhotoMed GmbH subsidiary.

The Company  reported net income of $129,000  for this second  quarter of fiscal
1996,  an  increase  of $26,000 or 24.6% over the same period in the prior year.
For the six month period ended  December 31, 1995,  net income was $213,000,  an
increase of $58,000 or 37.5% over the same  comparable  prior year period.  This
improved  income  performance  reflected  the higher  gross  margin on the sales
volume increase and the  non-recurring  start-up  expenses which were related to
the PhotoMed GmbH subsidiary in September 1994.

In September 1994, the Company formed a new subsidiary named "PhotoMed GmbH". At
that time this subsidiary was 51% owned by the Company. This subsidiary operates
primarily as a sales and service office to handle Germany,  Austria, Finland and
the  Scandinavian  countries.  In July 1995 of this first  quarter,  the Company
acquired 49% minority  interest for 150,000 shares of common stock, and PhotoMed
GmbH became a wholly owned subsidiary.

Net income per share was five (5) cents for the  second  quarter of fiscal  1996
and flat in comparison  to the prior year.  This was primarily the result of the
dilution  effect of one cent per share due to the impact on the  average  common
stock  outstanding  of the 1,000,000  shares issued  December 8, 1995 to MLTV to
purchase the  technology  and joint venture  interest.  Net income per share was
eight (8) cents per share for the six months ended  December  31,  1996,  an net
increase  of one cent per share and also  reflecting  the impact of the one cent
share dilution.


LIQUIDITY AND CAPITAL RESOURCES

The working  capital of the  Company at  December  31,  1995,  was $2.4  million
compared to $1.0 million at June 30, 1995,  an increase of $1.4 million or 136%.
Current assets of $5.1 million  increased by $1.6 million or 48.3% with increase
in all current asset  categories  from the end of fiscal 1995. The cash increase
of  $674,000   primarily  relates  to  the  impact  of  the  proceeds  from  the
sub-ordinated  debt issue of $1.5 million  Canadian  dollars  ($1.1 million US$)
with  C.I.-C.P.A.  Business  Ventures  Fund  Inc.  (See  Note D).  The  accounts
receivable  increase of $476,000 or 33.6% strongly  reflects the increased sales
volume  and a slower  accounts  receivable  turn due to a higher  percentage  of
foreign receivables.  The accounts receivable balance of $1.9 million represents
2.1  months of sales in  comparison  to 1.9 months of sales at the end of fiscal
1995.  The inventory  increase of $258,000 or 15.7% reflects both a higher level
of production volume to support future sales, the build up of in-transit product
shipment to  international  locations for  completion  of orders,  which will be
billed in the subsequent quarter, and new product inventory. The inventory level
at $1.9  million  represents  5.5 months of sales and  compares to 4.8 months of
sales at the end of  fiscal  1995.  The  increase  in other  current  assets  of
$242,000  primarily  relates to financing  related  expenses of $150,000,  other
prepaid  expenses  related  to goods  and  services  taxes in all  international
locations,  the  province of Ontario  Canada  minimum  business  taxes,  general
insurance costs and employee benefits insurance.

Current  liabilities of $2.6 million increased $256,000 or 10.7% from the end of
fiscal 1995. This net increase  primarily was the result of increased short term
borrowings from the bank of $324,000 or 31.7% for working capital  requirements.
This  increase  was  partially  offset by  payments on lease  obligations  and a
reduction in deferred  income  related to customer  prepayments  on orders which
were shipped and billed.

As of December  31, 1995,  borrowings  on the Bank of Montreal  credit  facility
reached a maximum of $1.5 million  Canadian  Dollars  ($1.1 million  U.S.$).  In
January 1996,  the Company was approved for an increase to this credit  facility
from $1.5 million  Canadian  dollars to $2.0 million ($1.5 million US$) based on
the Company's  performance to date and requirements  from incremental short term
working capital. The company is in compliance with all bank covenants.

On December 31, 1995, the borrowings  outstanding on the PhotoMed GmbH bank line
with the local  Stadtparkasse  bank was 361,000  deutche marks ($249,000 US$) on
the 500,000  deutche  marks line of credit.  In January  1996 this bank line was
renewed at 500,000  deutche  marks for another  twelve (12) month  period on the
basis of PhotoMed GmbH performance over the last year.

In  January  1995,  the  Company  negotiated  a  purchase  price of $35,000 as a
residual value for equipment,  which was a capital lease under a  sale-leaseback
agreement with G.E.  Capital.  The capital lease had expired and under the terms
of this  agreement  the Company had an option to purchase the  equipment at fair
market  value or return  the  equipment  to the  leasing  company.  The  Company
exercised  its  option  to  purchase  the  equipment,  which  is  used  for  the
applications  lab  and  customer  demonstration  support,  for  $35,000  over an
eighteen  (18)  month  period  and at a fixed  interest  rate of  10.25%.  As of
December  31,  1995,  the balance  under the  installment  purchase  represented
$10,000 and was  reported as a current  liability  under the current  portion of
long term debt.  The full value of the $35,000 was  capitalized  an asset with a
short term  depreciable  life of two (2) years due to age of equipment and plans
to replace within a two (2) year period.

As of December 31, 1995 the Company had a notes payable  balance of $17,000 with
Brooks Air Force base, which is a current liability under the current portion of
long term debt.  This  amount  will be paid in full by July 1,  1996.  This debt
arose from a duplicate  payment and an installment  repayment  agreement between
Brooks Air Force and the  Company for the  principal  amount of $90,155 in March
1994.

On December 8, 1995, the Company entered into several agreements with MLTV which
covered  repayment  of the  subordinated  debt in the  amount of  $771,000,  the
purchase of the technology developed under a joint venture agreement between the
Company  and MLTV and the  acquisition  of the joint  venture  interest of MLTV,
thereby  dissolving the joint venture.  As it relates to the subordinated  debt,
the  Company  has  agreed to pay the  principle  amount of $20,000 a month for a
twenty-four  (24)  month  period  for a total of  $480,000,  and the  balance of
$291,000 at the end of this term.  As of December  31,  1995,  the Company  paid
$40,000  and  reduced  the total  outstanding  to  $731,000.  The Company is not
required to pay any additional  interest on the  outstanding  balance under this
agreement unless there is a payment not made on time or an event of default. The
purchase of the technology and the joint venture interest was completed with the
issuing  of  1,000,000  shares  of  common  stock,  which  is  unregistered  and
restricted.  The 1,000,000  shares of common stock is in full  settlement of the
purchase of technology and joint venture interest, which had a stated base price
of $627,000 plus royalties for a five-year term under a prior agreement  between
the Company and MLTV. As of December 30, 1995,  the  1,000,000  shares have been
recorded in  paid-in-capital at the fair market value of .875 per share based on
the market bid price. This $875,000 value has been assigned to the technology as
an  intangible  asset  under  the  "other  assets"  classification  and  will be
amortized over a five (5) year period starting in January 1996.

On October 31, 1995, the Company entered into a new subordinated  debt agreement
for $1.5 million Canadian dollars ($1.1 million US) through Covington  Capital's
C.I.-C.P.A.  Business Ventures Fund Inc. of Toronto,  Canada. This sub-ordinated
debt has a term of five (5) years at an  interest  rate of 12% per  annum,  with
interest  payments  only for the first  twelve (12)  months.  As of December 31,
1995,  the company had made two (2)  interest  payments  totaling  approximately
$29,000 Canadian  dollars  ($21,000 US). This agreement  includes a first option
for 250,000  shares of common  stock at a $1,25 per share for a term of five (5)
years and a second  option of 400,000  shares of common stock at $2.50 per share
until October 1996, and then $3.25 per share until October 1997. The full amount
of this debt is classified as long term debt.

Long term debt also  includes a 400,000  mark loan  ($291,000  US$) by a private
individual (who is also an investor in the  subsidiary) to the Company's  wholly
owned German  subsidiary,  PhotoMed GmbH. The loan was made to the subsidiary on
October 1, 1994,  and with a repayment of principal and interest to start at the
end of April  1995 with  payment  of 10,000  German  marks per  month.  Interest
accrues  from  October 1 through  the start  date of the  payments  at a rate of
5.25%,  plus the prevailing  German bank discount rate (i.e. 4.5%). The loan has
clauses which would allow both slower and/or faster payments contingent upon the
cash  flow of the  PhotoMed  GmbH  operations.  As of  December  31,  1995,  the
principal amount of $376,000 German marks ($259,000 US$) was  outstanding,  with
only four payments to date with included  principal  payments of 24,000  deutche
marks ($17,000 US$) and interest payments of 16,000 deutche marks ($11,000 US$).
A portion of this  outstanding  amount  ($45,000  US$) has been  classified as a
current liability and represents an estimated twelve payments of principal.  The
balance  ($214,000  US$) has been  reported  as a long term debt.  Payments on a
monthly basis are contingent  upon cash flow  considerations  and upon agreement
with the individual.

In July 1994 of this prior fiscal year,  documents were fully  executed  between
the "ODC" and the  Company  for a term loan  facility  in the amount of $500,000
Canadian  dollars.  The loan credit  facility was  established  to allow advance
requests for  equipment,  inventory and training  expenditures  associated  with
moving the  production  operation  from New Jersey plant to the London  Ontario,
Canadian  plant.  This  loan was a "carve  out"  from the  original  ODC  credit
facility of $900,000 Canadian dollars under the Export Support Loan Program.  As
a result,  the Export loan facility was set at a $400,000 Canadian dollar limit,
prior to the full payment of the  outstanding  balance from the Bank of Montreal
credit facility in May 1995. The balance  outstanding as of December 31, 1995 on
the ODC  fixed  loan was  $415,000  Canadian  dollars  ($309,000  US$)  based on
specific advance requests  approved through this date.  Payment of principal was
scheduled to start  August 15, 1995 (of fiscal  1996) in that full  disbursement
had not occurred by June 30, 1995.  The Company has been granted an extension by
ODC until June 30, 1996 with  principal  payments  to start on August 15,  1996.
Interest has been charged on a monthly basis since the first  disbursement  made
in July 1994,  and has  continued  this  fiscal  year.  The Company may not draw
additional  funds on the  facility  for capital  equipment  up to $500,00 due to
Ontario government budgetary constraints. This term loan is classified as a long
term debt.

In September 1994, the Company  acquired at 51% ownership  position and formed a
German subsidiary, PhotoMed GmbH. The Company made a nominal cash investment for
51% ownership and on July 5, 1995 acquired the remaining 49% for 150,000  shares
of common stock from treasury  stock and at a fair market value of $1 per share.
As a result of this transaction,  PhotoMed GmbH became a wholly-owned subsidiary
of the Company.  The PhotoMed  GmbH  operation  was  self-financing  through the
utilization of a 400,000 DM ($290,000 US$) shareholder  long-term loan,  500,000
DM  ($362,000  US$)  bank  revolving  line  of  credit,  and  cash  provided  by
operations. The cash start-up expenses incurred during the prior fiscal year was
approximately  $900,000 which had a major impact on working capital requirements
and are non-recurring expenses going forward.

During this quarter,  the Company improved its cash position and working capital
resources through short term debt provided by bank lines of credit and long term
debt thought a form of debenture with a Toronto  Canada based  business  venture
fund.  With this  additional  financing,  agreement with MLTV on the purchase of
technology and scheduled repayment of sub-ordinated debt, established short term
credit facilities with the bank, and continued sales growth coupled with product
cost reduction efforts, the Company should be positioned to meet working capital
requirements.  The cash flow will be directed to  continued  expansion  of sales
coverage,  increased marketing support programs, and continued focused effort in
research and development on products and  technology.  The Company will continue
to manage within these  resources and attempt to balance  working  capital needs
with cash flow generated from operations and current financing. The Company will
continue to pursue  business  opportunities  that will  provide a good return on
investment and that will strengthen financial resources.
<PAGE>
                           PART II - OTHER INFORMATION


Item 1.  Legal Proceedings.

         Neither the Company nor any of its subsidiaries is currently a party to
nor is any of their property the subject of any legal proceedings which would be
material to the business or financial condition of the Company on a consolidated
basis.

Item 2.  Changes in Securities.

         Not Applicable.

Item 3.  Defaults Upon Senior Securities.

         Not Applicable.

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

         The Company held its annual meeting of shareholders on Friday, December
8, 1995.  The only  matters  considered  and voted upon at the meeting  were the
election of three  directors  for a three-year  term,  and approval to adopt the
Company's Employee Stock Purchase Plan.

         The voting for three directors:  Charles G. Marianik, Ronald J. Kovach,
and Louis Balogh was 1,654,538 for and 5,900 withheld.

         The voting for the Employee  Stock  Purchase  Plan was  1,383,337  for,
37,952 against and 5,000 withheld.

Item 5.  Other Information.

         On December  8, 1995,  the Company  issued  1,000,000  shares of Common
Stock to MLTV  pursuant  to a Purchase  Agreement  between  the Company and MLTV
dated as of December 8, 1995 (the "Purchase  Agreement"),  in consideration  for
the  transfer  of the rights to certain  technology  and MLTV's  interest in the
joint  venture  formed by MLTV and the Company  pursuant to a Joint  Venture and
Purchase  Option  Agreement dated April 6, 1987. In connection with the Purchase
Agreement,  the  Company  will  pay  $771,000  to MLTV as  evidence  by a Second
Subordinated  Promissory  Note dated December 8, 1995 payable  $20,000 per month
for a two year  period,  the  balance  to be paid at the end of such  period and
secured by a security agreement.

         On October 31, 1995, the Company secured  additional  financing of $1.5
million  Canadian  dollars  ($1.1  million US$) in the form on a deberture  with
C.I.-C.P.A.  Business Venture Fund, Inc. of Toronto,  Canada. This sub-ordinated
debt has a five year term with  principal  payment  based on a twenty  (20) year
amortization  and at an annual  interest  rate of 12%. In the first year,  there
will be only  interest  payments  which  will  amount to an  estimated  $180,000
Canadian dollars ($134,000 US$). Starting in November 1996, the Company will owe
a principal  amount of $6,250  Canadian  Dollars ($4,650 US$) on a monthly basis
through the five year term. As a consideration  for this financing,  C.I.-C.P.A.
also has a stock option agreement which includes a first option equal to 250,000
shares  of  common  stock at $1.25  per  share  with an  expiration  date of the
deberture,  and a second  option equal to 400,000  shares of common stock over a
two year period at $2,50 a share until September 1996, and $3,25 until September
1997.
<PAGE>
Item 6.  Exhibits and Reports on Form 8-K.

         (a)      The following exhibits are included herewith:

         10.01    Purchase  Agreement  dated  as of  December  8,  1995,  by and
                  between   Photon   Technology   International,   Inc.  and  ML
                  Technology Ventures, L.P. with all exhibits.

         11.1     Deberture  Agreement  dated  October 31, 1995,  by and between
                  Photon Technology International, Inc. and C.I.-C.P.A. Business
                  Venture Fund, Inc.

         11.2     Option Agreement dated October 31, 1995, by and between Photon
                  Technology  International,   Inc.  and  C.I.-C.P.A.   Business
                  Venture Fund, Inc.

         (b) The  Company  filed the  following  reports  on Form 8-K during the
quarter for which this report is filed:

                  None
<PAGE>
                                   SIGNATURES


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



                      PHOTON TECHNOLOGY INTERNATIONAL, INC.




Date:  February 12, 1996   By: /s/Charles G. Marianik
                               -------------------------------------
                               Charles G. Marianik
                               President, Chief Executive Officer
                               and Director
                               Principal Executive Officer




Date:  February 12, 1996   By: /s/William D. Looney
                               -------------------------------------
                               William D. Looney
                               Vice President/Controller
                               Principal Financial and Accounting
                               Officer

                            STOCK PURCHASE AGREEMENT


                  THIS AGREEMENT is made this 8th day of December,  1995, by and
between Photon  Technology  International,  Inc., a California  corporation (the
"Company"), and ML Technology Ventures, LP (the "Purchaser").

                  WHEREAS,  the Company and  Purchaser  have  entered  into that
certain  Purchase  Agreement  (the  "Purchase  Agreement") of even date herewith
regarding  the  clarification  of certain  agreements  and  obligations  between
Company and Purchaser (as more fully described in the Purchase Agreement); and

                  WHEREAS, the Purchase Agreement  contemplates that the Company
and Purchaser shall terminate certain agreements (the "Initial  Agreements") and
the rights and obligations contained therein, and enter into this Agreement.

  NOW THEREFORE, IT IS HEREBY AGREED:

                  1. Sale of Stock.  Subject to the terms hereof,  the Purchaser
hereby  receives,  and the Company hereby  delivers to the Purchaser,  1,000,000
shares of the Company's common stock (the "Stock"), subject to Section 4 hereof,
in  consideration  for termination of all such terms,  rights and obligations of
the Initial Agreements.

                  2.  Payment  for  Technology   and  Joint  Venture   Interest.
Purchaser  acknowledges that the issuance of the Company's common stock pursuant
to this Agreement shall constitute payment in full of the Company's indebtedness
to Purchaser for the Technology and Joint Venture interest.

                  3. Issuance of Shares.  Upon execution of this Agreement,  the
Company shall issue a duly executed certificate evidencing the Stock in the name
of Purchaser.

                  4. Right of First Offer. Before any shares of Stock registered
in the name of  Purchaser  may be sold or  transferred  (including  transfer  by
operation  of law or other  involuntary  transfer)  such  shares  shall first be
offered to the Company in the following manner:

                  (a) The Purchaser or its transferee  shall deliver a notice as
provided in subsection 8(a)  ("Notice") to the principal  business office of the
Company stating (i) his, her or its bona fide intention to sell or transfer such
shares,  (ii) the  number of such  shares to be sold or  transferred,  (iii) the
price and terms,  if any,  for which he, she or it  proposes to sell or transfer
such  shares,  and (iv)  the  name and  address  of the  proposed  purchaser  or
transferee  and that such  purchaser or  transferee  is committed to acquire the
stated number of shares on the stated price and terms.

                  (b) The Company shall have the right at any time within thirty
(30) days of  receipt  of the  Notice to  purchase  some or all of the shares to
which the Notice refers at the price per share specified in the Notice, or if no
price is specified  therein,  at the fair market value  thereof as determined by
the Board of Directors  in good faith.  Said right shall be exercised by written
notice  signed by an officer of the Company and  delivered or mailed as provided
in  subsection  8(a),  which notice shall  specify the time,  place and date for
settlement of such purchase.

                  (c) In the  event  the  Company  does  not,  for  any  reason,
exercise its right pursuant  hereto the Company may assign such right,  provided
such right shall not extend beyond such thirty-day  period.  If exercised by the
assignee  pursuant  hereto,  the right to purchase shall be exercised by written
notice signed by the exercising  assignee and delivered or mailed as provided in
subsection  8(a),  which  notice  shall  specify  the  time,  place and date for
settlement  of  such  purchase.  Purchaser  shall  sell to the  Company  or such
assignees the number of shares that either of them elect to purchase,  such sale
to be consummated within thirty (30) days after the date of the Notice.

                  (d) If some or all of the  shares to which the  Notice  refers
are not  purchased,  as  provided  in  subsections  4(b)  and 4(c)  hereof,  the
Purchaser  may sell such  shares to the person  named in the Notice at the price
and terms  specified  in the  Notice,  provided  that such sale or  transfer  is
consummated  within  thirty (30) days of the date of said Notice to the Company,
and provided,  further,  that any such sale is in accordance  with all the terms
and  conditions  hereof If Purchaser  does not  consummate  the sale or transfer
within such thirty-day  period,  the right provided hereby shall be deemed to be
revived  with  respect to such shares and no sale or transfer  shall be effected
without first offering the shares in accordance herewith.

                  (e)  Notwithstanding  the above,  neither  the Company nor the
assignees  of the Company  shall have any right under this Section 4 at any time
subsequent to the closing of a bona fide,  firm commitment  underwritten  public
offering of the common stock of the Company pursuant to a Registration Statement
declared effective under the Securities Act of 1933, as amended (the "Act").

                  5. "Market Stand-Off" Agreement. Purchaser hereby agrees that,
the  underwriter or  underwriters  of common stock (or other  securities) of the
Company, following the effective date of a registration statement of the Company
filed under the Act, Purchaser shall not, to the extent requested by the Company
and such  underwriter,  directly or indirectly,  sell, offer or contract to sell
(including, without limitation, any short sale), grant any option to purchase or
otherwise transfer or dispose of (other than to donees who agree to be similarly
bound) any  securities  of the Company at any time  during  such  period  except
common stock included in such  registration,  provided,  however,  that (a) such
agreement shall be applicable only to the first such  registration  statement of
the Company  which covers common stock (or other  securities)  to be sold on its
behalf to the  public  in an  underwritten  offering  and (b) all  officers  and
directors of the Company  holding  securities  of the Company enter into similar
agreements.

                  In order to enforce the  foregoing  covenant,  the Company may
impose stoptransfer  instructions with respect to common stock held by Purchaser
until the end of such period.

  6. Registration Rights.

                  (a) Definitions. As used in this Agreement the following terms
shall have the following respective meanings:

                  "Exchange Act" means the  Securities  Exchange Act of 1934, as
amended.

                  "Holder"   means  any  person  owing  of  record   Registrable
Securities  that have not been sold to the public or any  assignee  of record of
such  Registrable  Securities in accordance  with Section 6(e)  ("Assignment  of
Registration Rights") hereof.

                  "Register,"   "registered,"  and  "registration"  refer  to  a
registration  effected  by  preparing  and filing a  registration  statement  in
compliance  with  the  Securities  Act,  and  the  declaration  of  ordering  of
effectiveness of such registration statement or document.

                  "Registrable Securities" means (i) Common Stock of the Company
issued or issuable pursuant to this Agreement;  and (ii) any Common Stock of the
Company  issued as (or issuable upon the  conversion or exercise of any warrant,
right or other  security  which is issued as) a dividend  or other  distribution
with respect to, or in exchange for or in replacement  of, such  above-described
securities.  Notwithstanding  the foregoing,  Registrable  Securities  shall not
include  any  securities  sold by a person to the public  either  pursuant  to a
registration statement or Rule 144 or sold in a private transaction in which the
transferror's rights under this Section 6 are not assigned.

                  "Registrable  Securities then outstanding" shall be the number
of shares  determined by calculating the total number of shares of the Company's
Common Stock that are Registrable  Securities and either (1) are then issued and
outstanding or (2) are issuable  pursuant to the then exercisable or convertible
securities.

                  "Registration  Expenses"  shall mean all expenses  incurred by
the Company in complying with this Section 6, including, without limitation, all
registration  and filing fees,  printing  expenses,  fees and  disbursements  of
counsel for the Company,  reasonable  fees and  disbursements  not to exceed Ten
Thousand Dollars ($10,000) of a single special counsel for the Holders, blue sky
fees and expenses and the expense of any special audits  incident to or required
by any such registration (but excluding the compensation of regular employees of
the Company which shall be paid in any event by the Company).

                  "Securities  Act" shall mean the  Securities  Act of 1933,  as
amended.

                  "Selling  Expenses" shall mean all underwriting  discounts and
selling commissions applicable to the sale.

                  "SEC"  or  "Commission"  means  the  Securities  and  Exchange
Commission.

                  (b) Piggyback Rights. If (but without any obligation to do so)
the Company  proposes to register  (including  for this  purpose a  registration
effected by the  Company for  shareholders  other than the  Holders)  any of its
stock or other  securities  under the Securities Act in connection with a public
offering of such securities solely for cash (other than a registration  relating
solely to the sale of Securities to  participants  in a Company stock plan, or a
registration  on  any  form  which  does  not  include  substantially  the  same
information  as would be required to be  included  in a  registration  statement
covering the sale of Registrable Securities or an SEC Rule 145 transaction), the
Company shall notify all Holders of  Registrable  Securities in writing at least
thirty  (30) days prior to the filing of any such  registration  and will afford
each such Holder an opportunity to include in such registration statement all or
part of such Registrable Securities held by such Holder. Each Holder desiring to
include in any such  registration  statement all or any part of the  Registrable
Securities held by it shall,  within fifteen (15) days after the above-described
notice from the Company,  so notify the Company in writing.  If a Holder decides
not to include all of its Registrable  Securities in any registration  statement
thereafter filed by the Company, such Holder shall nevertheless continue to have
the  right  to  include  any  Registrable  Securities  in  any  subsequent  such
registration statement or registration statements as may be filed by the Company
with respect to offerings of its  securities,  all upon the terms and conditions
set forth herein.

                      (i)  Underwriting.  If the  registration  statement  under
which the  Company  gives  notice  under this  Section 6 is for an  underwritten
offering, the Company shall so advise the Holders of Registrable Securities.  In
such  event,  the right of any such  Holder  to be  included  in a  registration
pursuant to this Section 6 shall be conditioned upon such Holder's participation
in such underwriting and the inclusion of such Holder's  Registrable  Securities
in the  underwriting to the extent  provided  herein.  All Holders  proposing to
distribute their Registrable  Securities  through such underwriting  shall enter
into an  underwriting  agreement  in  customary  form  with the  underwriter  or
underwriters selected for such underwriting by the Company.  Notwithstanding any
other provision of this Agreement,  if the underwriter  determines in good faith
that  marketing  factors  require  a  limitation  of the  number of shares to be
underwritten,  the number of shares  that may be  included  in the  underwriting
shall be allocated,  first, to the Company; second, to the Holders on a pro rata
basis based on the total number of Registrable  Securities  held by the Holders;
and third, to any shareholder of the Company (other than a Holder) on a pro rata
basis.  No such  reduction  shall  reduce the  securities  being  offered by the
Company for its own account to be included in the registration and underwriting,
and in no event shall the amount of securities of the selling  Holders  included
in the  registration  be reduced  below  twenty-five  percent (25%) of the total
amount of securities included in such registration,  unless such offering is the
Initial  Offering  and such  registration  does not include  shares of any other
selling shareholders, in which event any or all of the Registrable Securities of
the  Holders  may be  excluded  in  accordance  with the  immediately  preceding
sentence.  In no event will shares of any other selling  shareholder be included
in such  registration  which  would  reduce  the  number of shares  which may be
included  by Holders  without  the  written  consent of Holders of not less than
sixty-six and two-thirds (66 2/3%) of the  Registrable  Securities to be sold in
the offering.

                      (ii) Right to Terminate  Registration.  The Company  shall
have the right to terminate or withdraw any  registration  initiated by it under
this Section 6 prior to the  effectiveness of such  registration  whether or not
any  Holder  has  elected  to  include  securities  in  such  registration.  The
Registration  Expenses  of such  withdrawn  registration  shall  be borne by the
Company in accordance with subparagraph 6(c)(iii) hereof

                      (iii) Expenses of Registration.  All Registration Expenses
incurred in connection with any registration under this Section 6 shall be borne
by  the  Company.   All  Selling  Expenses   incurred  in  connection  with  any
registrations  hereunder,  shall be borne by the  holders of the  securities  so
registered pro rata on the basis of the number of shares so  registered.  If the
Holders are required to pay the  Registration  Expenses,  such expenses shall be
borne by the holder of securities (including Registrable  Securities) requesting
such  registration in proportion to the number of shares for which  registration
was requested.

                  (c) Obligations of the Company.  Whenever  required under this
Section 6 to effect the registration of any Registrable Securities,  the Company
shall, as expeditiously as reasonably possible:

                      (i) Prepare and file with the SEC a registration statement
with respect to such  Registrable  Securities  and use its best efforts to cause
such registration  statement to become  effective,  and, upon the request of the
Holders of a majority of the Registrable Securities registered thereunder,  keep
such registration statement effective for up to ninety (90) days.

                      (ii)  Prepare  and file with the SEC such  amendments  and
supplements to such registration statement and the prospectus used in connection
with  such  registration  statement  as may be  necessary  to  comply  with  the
provisions  of  the  Securities  Act  with  respect  to the  disposition  of all
securities covered by such registration statement.

                      (iii)  Furnish to the  Holders  such number of copies of a
prospectus,   including  a  preliminary  prospectus,   in  conformity  with  the
requirements  of the  Securities  Act,  and  such  other  documents  as they may
reasonably  request  in order  to  facilitate  the  disposition  of  Registrable
Securities owned by them.

                      (iv) Use its best  efforts to  register  and  qualify  the
securities covered by such registration statement under such other securities or
Blue Sky laws of such  jurisdictions  as shall be  reasonably  requested  by the
Holders, provided that the Company shall not be required in connection therewith
or as a condition thereto to qualify to do business or to file a general consent
to service of process in any such states or jurisdictions.

                      (v) In the  event  of any  underwritten  public  offering,
enter into and perform its obligations under an underwriting agreement, in usual
and customary  form,  with the managing  underwriter(s)  of such offering.  Each
Holder  participating in such underwriting shall also enter into and perform its
obligations under such an agreement.

                      (vi) Notify each Holder of Registrable  Securities covered
by such registration statement at any time when a prospectus relating thereto is
required to be delivered  under the Securities Act of the happening of any event
as a result of which the prospectus included in such registration  statement, as
then in effect,  includes  an untrue  statement  of a material  fact or omits to
state a material  fact  required to be stated  therein or  necessary to make the
statements  therein  not  misleading  in the  light  of the  circumstances  then
existing.

                  (d) Indemnification.  In the event any Registrable  Securities
are included in a registration statement hereunder:

                      (i) To the  extent  permitted  by law,  the  Company  will
indemnify and hold harmless each Holder, the partners,  officers,  and directors
of each Holder,  any  underwriter  (as defined in the  Securities  Act) for such
Holder and each person,  if any, who controls such Holder or underwriter  within
the  meaning of the  Securities  Act or the  Exchange  Act,  against any losses,
claims,  damages,  or  liabilities  (joint or  several) to which they may become
subject  under the  Securities  Act, the Exchange Act or other  federal or state
law,  insofar as such  losses,  claims,  damages or  liabilities  (or actions in
respect thereof) arise out of or are based upon any of the following statements,
omissions or violations  (collectively  a "Violation")  by the Company:  (i) any
untrue  statement or alleged  untrue  statement of a material fact  contained in
such  registration  statement,  including  any  preliminary  prospectus or final
prospectus contained therein or any amendments or supplements thereto,  (ii) the
omission or alleged  omission to state  therein a material  fact  required to be
stated therein,  or necessary to make the statements therein not misleading,  or
(iii) any violation or alleged  violation by the Company of the Securities  Act,
the Exchange Act, any state securities law or any rule or regulation promulgated
under the  Securities  Act,  the  Exchange  Act or any state  securities  law in
connection  with the offering  covered by such  registration  statement' and the
Company  will  reimburse  each  such  Holder,  partner,   officer  or  director,
underwriter  or controlling  person for any legal or other  expenses  reasonably
incurred by them in connection  with  investigating  or defending any such loss,
claim,  damage,  liability  or  action;  provided  however,  that the  indemnity
agreement  contained  in this  Section  6 shall  not  apply to  amounts  paid in
settlement  of any  such  loss,  claim,  damage,  liability  or  action  if such
settlement is effected  without the consent of the Company,  which consent shall
not be unreasonably  withheld,  nor shall the Company be liable in any such case
for any such loss,  claim,  damage,  liability  or action to the extent  that it
arises out of or is based upon a Violation  which occurs in reliance upon and in
conformity with written  information  furnished  expressly for use in connection
with such registration by such Holder, partner, officer,  director,  underwriter
or controlling person of such Holder.

                      (ii) To the extent  permitted by law, each Holder will, if
Registrable  Securities held by such Holder are included in the securities as to
which  such  registration   qualifications  or  compliance  is  being  effected,
indemnify and hold harmless the Company, each of its directors and its officers,
and each person,  if any,  who  controls  the Company  within the meaning of the
Securities Act, any underwriter  and any other Holder selling  securities  under
such registration statement or any of such other Holder's partners, directors or
officers or any person who  controls  such Holder,  against any losses,  claims,
damages  or  liabilities  (joint or  several)  to which the  Company or any such
director,  officer,  controlling  person,  underwriter or other such Holder,  or
partner, director, officer or controlling person of such other Holder may become
subject  under the  Securities  Act, the Exchange Act or other  federal or state
law,  insofar as such  losses,  claims,  damages or  liabilities  (or actions in
respect  thereto) arise out of or are based upon any Violation,  in each case to
the extent (and only to the extent) that such Violation  occurs in reliance upon
and in  conformity  with written  information  furnished by such Holder under an
instrument duly executed by such Holder and stated to be specifically for use in
connection with such registration; and each such Holder will reimburse any legal
or other  expenses  reasonably  incurred  by the  Company or any such  director,
officer,  controlling person,  underwriter or other Holder, or partner, officer,
director  or  controlling  person  of  such  other  Holder  in  connection  with
investigating or defending any such loss, claim, damage,  liability or action if
it is judicially determined that there was such a Violation;  provided, however,
that the indemnity  agreement  contained in this Section 6(d) shall not apply to
amounts paid in settlement of any such loss, claim, damage,  liability or action
if such settlement is effected without the consent of the Holder,  which consent
shall not be unreasonably withheld; provided further, that in no event shall any
indemnity under this Section 6~d) exceed the proceeds from the offering received
by such Holder.

                      (iii) Promptly after receipt by an indemnified party under
this Section 6(d) of notice of the  commencement  of any action  (including  any
governmental action), such indemnified party will, if a claim in respect thereof
is to be made against any indemnifying party under this Section 6(d), deliver to
the  indemnifying  party a written  notice of the  commencement  thereof and the
indemnifying  party shall have the right to  participate  in, and, to the extent
the indemnifying  party so desires,  jointly with any other  indemnifying  party
similarly  noticed,   to  assume  the  defense  thereof  with  counsel  mutually
satisfactory to the parties; provided,  however, that an indemnified party shall
have the right to retain its own counsel,  with the fees and expenses to be paid
by the indemnifying  party, if  representation  of such indemnified party by the
counsel retained by the indemnifying  party would be inappropriate due to actual
or potential  differing  interests  between such indemnified party and any other
party  represented  by such counsel in such  proceeding.  The failure to deliver
written  notice  to the  indemnifying  party  within  a  reasonable  time of the
commencement  of any such action,  if materially  prejudicial  to its ability to
defend such action,  shall relieve such  indemnifying  party of any liability to
the  indemnified  party under this Section 6(d),  but the omission so to deliver
written  notice to the  indemnifying  party will not relieve it of any liability
that it may have to any  indemnified  party  otherwise  than under this  Section
6(d).

                      (iv) If the  indemnification  provided for in this Section
6(d) is held  by a court  of  competent  jurisdiction  to be  unavailable  to an
indemnified  party with respect to any losses,  claims,  damages or  liabilities
referred  to  herein,  the  indemnifying  party,  in lieu of  indemnifying  such
indemnified  party  thereunder,  shall to the extent permitted by applicable law
contribute to the amount paid or payable by such  indemnified  party as a result
of such loss, claim, damage or liability in such proportion as is appropriate to
reflect the relative fault of the indemnifying  party on the one hand and of the
indemnified party on the other in connection with the Violation(s) that resulted
in such  loss,  claim,  damage  or  liability,  as well  as any  other  relevant
equitable  considerations.  The relative fault of the indemnifying  party and of
the  indemnified  party shall be  determined  by a court of law by reference to,
among other things, whether the untrue or alleged untrue statement of a material
fact or the omission to state a material fact relates to information supplied by
the  indemnifying  party or by the indemnified  party and the parties'  relative
intent,  knowledge,  access to information and opportunity to correct or prevent
such statement or omission; provided, that in no event shall any contribution by
a Holder  hereunder  exceed the  proceeds  from the  offering  received  by such
Holder.

                  (e) Assignment of Registration Rights. The rights to cause the
Company to register  Registrable  Securities  pursuant to this  Section 6 may be
assigned by a Holder to a transferee or assignee of Registrable Securities which
acquires  at  least  five  hundred  thousand  (500,000)  shares  of  Registrable
Securities (as adjusted for stock splits and combinations);  provided,  however,
(A) the transferor shall,  within ten (10) days after such transfer,  furnish to
the  Company  written  notice  of the name and  address  of such  transferee  or
assignee and the securities with respect to which such  registration  rights are
being  assigned  and (B)  such  transferee  shall  agree  to be  subject  to all
restrictions set forth in this Agreement.

                  (f) Amendment of  Registration  Rights.  Any provision of this
Section 6 may be  amended  and the  observance  thereof  may be  waived  (either
generally   or  in  a   particular   instance   and  either   retroactively   or
prospectively),  only with the written consent of the Company and the Holders of
a majority of the  Registrable  Securities.  Any amendment or waiver effected in
accordance  with this  Section  6(f) shall be binding  upon each  Holder and the
Company.  By  acceptance  of any  benefits  under  this  Section  6  Holders  of
Registrable Securities hereby agree to be bound by the provisions hereunder.

                  (g) Rule 144 Reporting. With a view to making available to the
Holders  the  benefits  of certain  rules and  regulations  of the SEC which may
permit  the  sale  of  the   Registrable   Securities  to  the  public   without
registration, the Company agrees to use its best efforts to:

                      (i) Make and keep public information  available,  as those
terms are  understood  and defined in SEC Rule 144 or any  similar or  analogous
rule promulgated under the Securities Act, at all times after the effective date
of the first registration filed by the Company for an offering of its securities
to the general public;

                      (ii) File with the SEC,  in a timely  manner,  all reports
and other documents required of the Company under the Exchange Act;

                      (iii) So long as Holder owns any  Registrable  Securities,
furnish to such  Holder  forthwith  upon  request:  a written  statement  by the
Company as to its compliance with the reporting requirements of said Rule 144 of
the Securities Act, and of the Exchange Act; a copy of the most recent annual or
quarterly  report of the  Company;  and such other  reports and  documents  as a
Holder may  reasonably  request in availing  itself of any rule or regulation of
the SEC allowing it to sell any such securities without registration.

                  (h) Delay of  Registration.  No Holder shall have any right to
obtain  or seek  an  injunction  restraining  or  otherwise  delaying  any  such
registration as the result of any  controversy  that might arise with respect to
the interpretation or implementation of this Section 6.

                  7. Representations and Warranties of Purchaser.

                  (a)  Limitations on Disposition.  Purchaser  agrees that in no
event will it make a  disposition  of any of the Stock,  unless and until (a) it
shall have  notified  the  Company of the  proposed  disposition  and shall have
furnished  the Company with a statement  of the  circumstances  surrounding  the
proposed  disposition,  and (b) it shall  have  furnished  the  Company  with an
opinion  of counsel  satisfactory  to the  Company  to the effect  that (i) such
disposition  will not require  registration of such Stock under the Act, or (ii)
that appropriate action necessary for compliance with the Act has been taken, or
(c) the Company shall have waived,  expressly  and in writing,  its rights under
clauses (a) and (b) of this subparagraph.  In addition, prior to any disposition
of any of the Stock,  the  Company may  require  the  transferee  or assignee to
provide in writing  investment  representations  and its agreement to the market
stand-off provisions hereof in a form acceptable to the Company.

                  The Company shall not be required (i) to transfer on its books
any shares of Stock of the Company which shall have been sold or  transferred in
violation of any of the provisions set forth in this Agreement, or (ii) to treat
as owner of such  shares or to accord  the right to vote as such owner or to pay
dividends to any transferee to whom such shares shall have been so  transferred.
Purchaser  shall,  during the term of this  Agreement,  exercise  all rights and
privileges of a  shareholder  of the Company with respect to the Stock after the
issuance, and prior to the repurchase, thereof.

                  (b) Legends. All certificates representing any shares of Stock
of the Company  subject to the provisions of this Agreement  shall have endorsed
thereon the following legends:

                      (i) "THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933. THESE SECURITIES HAVE BEEN
ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO DISTRIBUTION  OR RESALE,  AND MAY
NOT BE TRANSFERRED WITHOUT AN EFFECTIVE  REGISTRATION  STATEMENT FOR SUCH SHARES
UNDER THE  SECURITIES  ACT OF 1933,  OR PURSUANT TO RULE 144 UNDER THE ACT OR AN
OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT REGISTRATION IS NOT REQUIRED
UNDER SUCH ACT."

                      (ii) "THE SALE OF THE SHARES HAS NOT BEEN  QUALIFIED  WITH
THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA, AND THE ISSUANCE OF
SUCH SHARES OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION  THEREFOR
PRIOR TO SUCH QUALIFICATION IS UNLAWFUL UNLESS THE SALE OF SHARES IS EXEMPT FROM
QUALIFICATION  BY SECTION  25100,25102 OR 25105 OF THE  CALIFORNIA  CORPORATIONS
CODE.  THE RIGHTS OF ALL PARTIES TO THIS  AGREEMENT  ARE  EXPRESSLY  CONDITIONED
UNLESS THE SALE IS SO EXEMPT."

                  8. Miscellaneous.

                  (a) Notices.  Any notice required or permitted hereunder shall
be given in writing and shall be deemed effectively given upon personal delivery
or upon deposit in the United  States Post Office,  by  registered  or certified
mail with postage and fees  prepaid,  addressed to the other party hereto at his
or her address  hereinafter  shown below his or her  signature  or at such other
address as such party may designate by ten (10) days' advance  written notice to
the other party hereto.

                  (b) Governing Law. Assignment and Enforcement.  This Agreement
is governed by the internal laws of New Jersey and shall inure to the benefit of
the successors and assigns of the Company and,  subject to the  restrictions  on
transfer  herein set forth,  be binding upon  Purchaser and its  successors  and
assigns.  The prevailing  party in any action to enforce this Agreement shall be
entitled to attorneys' fees and costs. The parties agree that damages are not an
adequate remedy for Purchaser's  breach hereof and the Company shall accordingly
be entitled to specific performance of this Agreement.

                  (c)  Amendments  and Waivers.  This  Agreement  represents the
entire  understanding  of the parties with respect to the subject  matter hereof
and supersedes all previous understandings,  written or oral. This Agreement may
only be amended with the written consent of the parties hereto and the Company's
assignees  pursuant to subsection 4 hereof,  or the successors or assigns of the
foregoing,  and no oral  waiver  or  amendment  shall  be  effective  under  any
circumstances whatsoever.
<PAGE>
                               PURCHASE AGREEMENT


         THIS PURCHASE AGREEMENT (the "Agreement"),  is made and entered into as
of  this  8th  day  of  December   1995,  by  and  between   PHOTON   TECHNOLOGY
INTERNATIONAL,  INC., a New Jersey  corporation  ("Photon"),  and ML  TECHNOLOGY
VENTURES, L.P., a Delaware limited partnership ("MLTV").


                                    RECITALS

         A. Photon and MLTV are parties to that certain  Master  Agreement  (the
"Master Agreement") dated April 6, 1987.

         B. Photon and MLTV have entered into that certain Technology  Agreement
(the "Technology Agreement") dated April 6, 1987.

         C. Photon and MLTV have entered into that certain Development Agreement
(the "Development Agreement") dated April 6, 1987.

         D. Photon and MLTV have  entered into that  certain  Joint  Venture and
Purchase Option  Agreement (the "Joint Venture  Agreement")  dated April 6, 1987
regarding the purchase by Photon of certain  Technology,  as hereinafter defined
and MLTV's  interest in the joint venture  formed  pursuant to the Joint Venture
Agreement. The purchase option granted by MLTV to Photon under the Joint Venture
Agreement (the "Purchase  Option") was exercised by Photon  effective  March 20,
1990.

         E. Photon and MLTV have entered into that  certain  Purchase  Agreement
(the  "Purchase  Agreement")  dated April 6, 1987. The Purchase  Agreement,  the
Master Agreement,  the Technology  Agreement,  the Development Agreement and the
Joint Venture Agreement are hereinafter collectively referred to as the "Initial
Agreements."

         F. Photon is the maker of that certain  Secured 13%  Subordinated  Note
(the "Note") dated May 7, 1991, payable to MLTV in the original principal amount
of Five Hundred Thousand Dollars ($500,000.00).

         G. The parties  desire to enter into this  Agreement to supplement  and
clarify certain  provisions of the Initial  Agreements and to terminate the Note
and provide for an alternative  payment  arrangement  all in accordance with the
terms and conditions hereinafter set forth.

         NOW,THEREFORE,  in  consideration  of the  foregoing  Recitals  and the
mutual covenants and agreements  contained in this Agreement,  the parties agree
as follows:

         1.  Rules  of  Construction.  This  Agreement  shall  be  construed  in
accordance  with the following rules of  construction:  (a) the terms defined in
this Agreement include the plural as well as the singular; (b) all references in
this  Agreement  to  designated  Sections  and  other  Subdivisions  are  to the
designated  Sections and other Subdivisions of the body of this Agreement unless
otherwise stated herein;  (c) pronouns of either gender or neuter shall include,
as appropriate,  the other pronoun forms;  (d) the words "herein,"  "hereof" and
"hereunder" and other words of similar import refer to this Agreement as a whole
and not to any particular Section or other Subdivision; (e) the words "includes"
and  "including"  are not limiting;  and (f) the terms hereof reflect  extensive
negotiations   among  the  parties,   and  for  purposes  of  construction   and
interpretation  all  parties  equally  shall  be  deemed  to have  drafted  this
Agreement.

         2. Status as Definitive Agreement. Upon execution by all parties hereto
the terms of this  Agreement  to the extent such terms  conflict  with or differ
from the terms of the Initial  Agreements,  shall modify and  supersede  certain
terms of the Initial  Agreements and such terms of the Initial  Agreements shall
be of no further force or effect.

         3. Purchase of Technology and Joint Venture Interest.  In settlement of
any and all of its prior  obligations  under the Joint Venture  Agreement,  MLTV
hereby agrees to sell,  transfer,  assign and deliver to Photon,  on the Closing
Date, as defined  below,  the technology and other rights set forth on Exhibit A
attached hereto and  incorporated  herein by this reference (the  "Technology").
The purchase price for the  Technology  and the Joint Venture  interest shall be
One Million  (1,000,000)  shares (the  "Shares") of  authorized  common stock of
Photon (the "Purchase Price"). Said Purchase Price shall be delivered to MLTV by
Photon on the Closing Date pursuant to the terms of a Stock  Purchase  Agreement
in the form of  Exhibit  B,  attached  hereto  and  incorporated  herein by this
reference (the "Stock Purchase Agreement").

         4. Settlement of Outstanding  Note Balance.  In  consideration  of this
Agreement  Photon agrees to pay MLTV the sum of Seven Hundred  Seventy  Thousand
Seven Hundred Sixty-One Dollars  ($770,761.00) (the "Subordinated Debt Amount").
The  Subordinated  Debt  Amount  shall be paid as follows:  (i) Twenty  Thousand
Dollars ($20,000.00) per month for a period of twenty-four (24) months, with the
first such payment to be made at the Closing and subsequent  payments to be made
on the first day of each month thereafter, with the final payment of Two Hundred
Ninety Thousand Seven Hundred Sixty-One Dollars ($290,761.00), together with any
and all other sums due under the Note, to be made at the end of such twenty-four
(24) month period. Photon's obligations to make such payments shall be evidenced
by a  subordinated  secured  promissory  note (the "Second  Note")  delivered by
Photon to MLTV at the Closing,  in substantially  the form of Exhibit C attached
hereto and incorporated  herein by this reference and the Security  Agreement in
the form of Exhibit D attached hereto and incorporated  herein by this reference
(the  "Security  Agreement").  If (a) Photon shall have failed to make a monthly
payment under the Second Note or (b) any other Event of Default (as such term is
defined in the Second Note) shall have occurred and such Event of Default is not
cured within thirty (30) calendar days, such late payment shall bear interest at
the rate of twelve percent (12%) per annum, until such payment is paid in full.

         5. Voting Agreement.  As a condition to the execution of this Agreement
by MLTV, Photon shall cause Charles G. Marianik to execute a Voting Agreement in
the form of Exhibit E attached hereto and incorporated  herein by this reference
(the "Voting Agreement").

         6. Closing.  Subject to the terms and  conditions of this Agreement the
closing of the transactions contemplated herein (the "Closing") shall take place
at the Palo Alto offices of Brobeck, Phleger & Harrison on December 8. 1995 (the
"Closing Date") or at such other  location,  time or date as may be agreed to in
writing by the parties hereto.

         7. Deliveries at Closing.

            7.1. Obligations of Photon. At the Closing,  Photon shall deliver to
                 MLTV:

                 (a) a duly executed Second Note in the form of Exhibit C;

                 (b) a duly  executed  Security Agreement in the form of Exhibit
                     D;

                 (c) a duly  executed  Stock  Purchase  Agreement in the form of
                     Exhibit B;

                 (d) a certificate representing the Shares; and

                 (e) an  Officer's  Certificate   certifying  that  all  of  the
                     representations  and  warranties  of Photon herein are true
                     and  correct  as  of  the  Closing  and  that  all  of  the
                     conditions of this  Agreement have been met or performed in
                     full.

            7.2. Obligations  of MLTV.  At the  Closing,  MLTV shall  deliver to
                 Photon:

                 (a) a duly  executed  Stock  Purchase  Agreement in the form of
                     Exhibit B;

                 (b) a duly executed Voting Agreement in the form of Exhibit E;

                 (c) the Technology;

                 (d) a duly executed Second Note in the form of Exhibit C;

                 (e) the Note;

                 (f) evidence of limited partnership interest, if any; and

                 (g) an  Officer's  Certificate   certifying  that  all  of  the
                     representations  and warranties of MLTV herein are true and
                     correct as of the Closing and that all of the conditions of
                     this Agreement have been met or performed in full.

         8.  Confidential  Treatment.  Subject to the  requirements of law, each
party  hereto  agrees  to keep  the  terms  and  conditions  of  this  Agreement
confidential;  provided,  however,  that any  party may  disclose  the terms and
conditions of this Agreement to its attorneys, accountants,  auditors, insurance
carriers or other  representatives on a need to know basis, and provided further
that the  disclosing  party shall cause each person to whom such  disclosure  is
made  to be  informed  of and to  agree  to be  bound  by  this  confidentiality
provision.  The  foregoing  provisions of this Section 8 shall not apply to such
information in the event that (i) such  information  becomes  generally known to
the public other than as a result of an  impermissible  disclosure by any person
bound  hereunder,  (ii) to the extent  that the  disclosure  is required by law,
statute,  rule or regulation,  or any writ or order of any court or jurisdiction
process or pursuant to any  direction,  request or  requirement  (whether or not
having  the force of law but if not having the force of law being of a type with
which  institutional  investors in the relevant  jurisdiction  are accustomed to
comply) of any selfregulating organization or any governmental, fiscal, monetary
or other  authority,  or (iii) to the extent that either party needs to disclose
such  information for the protection of any of such parties' rights or interests
against the other party, whether under this Agreement or otherwise.

         9. Representations and Warranties.

            9.1. By Each Party.  Each party  hereto  represents  and warrants to
each other party hereto as follows:

                 9.1.1.  Authority  and  Enforceability.   Such  party  has  the
requisite legal right, power and authority to execute and deliver this Agreement
and to consummate the  transactions  contemplated  hereby.  This Agreement,  the
Second Note, the Voting Agreement, the Stock Purchase Agreement and the Security
Agreement have been duly and validly  executed by such party and, upon delivery,
will constitute valid and binding agreements of each such party,  enforceable in
accordance  with  their  terms,  subject  as  to  enforceability  to  applicable
bankruptcy, insolvency, reorganization,  moratorium and similar laws relating to
or  affecting  creditors'  rights  from time to time in effect,  and  subject to
general principles of equity.

            9.2. Representations of MLTV.

                 9.2.1.   Authority.   Approvals  and  Consents.  MLTV  has  all
requisite  corporate  right,  power and  authority  to execute and deliver  this
Agreement,  the Voting  Agreement in the form attached  hereto as Exhibit E, the
Stock Purchase  Agreement attached hereto as Exhibit B, the Second Note attached
hereto as Exhibit C, and Security Agreement attached hereto as Exhibit D, and to
consummate the  transactions  contemplated  hereby.  This Agreement,  the Voting
Agreement,  the Stock Purchase Agreement,  the Promissory Note, and the Security
Agreement,  have been duly and validly  executed by MLTV and,  upon  delivery by
MLTV, will constitute valid and binding agreements of MLTV,  enforceable against
MLTV in accordance with their terms,  subject as to enforceability to applicable
bankruptcy, insolvency, reorganization,  moratorium and similar laws relating to
or  affecting  creditor's  rights  from time to time in effect  and  subject  to
general equity principles.

                 9.2.2. Title to Assets.  MLTV represents and warrants to Photon
that it has  good  and  valid  title to the  Technology  free  and  clear of all
pledges,  liens, charges,  encumbrances,  defects,  security interests,  claims,
options and  instruments  of every kind and that the  authorization  of no other
person  or  entity  is  required  in  order  to  consummate   the   transactions
contemplated  herein by  virtue  of any such  person  having  an  equitable  and
beneficial interest in the Technology.

                 9.2.3. Application of Securities Laws.

                        (a) MLTV hereby acknowledges that the Shares will not be
registered under the Securities Act or any state securities laws and, therefore,
may not be sold by MLTV except pursuant to an effective  registration  statement
under the  Securities  Act or an  exemption  from  registration  thereunder  and
pursuant to registration or qualification  under any applicable state securities
law or exemption  therefrom.  MLTV represents and warrants to Photon that (i) in
acquiring  the  Shares  it will be  acting  solely  for  its  own  account,  for
investment  purposes only and not with a view to the distribution of the Shares,
and  (ii)  that  it  (A) is an  "accredited  investor"  within  the  meaning  of
Regulation D promulgated  under the Securities Act and/or (B) with its purchaser
representative,  has such  knowledge  and  experience  in financial and business
matters as to be capable of evaluating  the merits and risks of an investment in
Photon pursuant to this Agreement.  MLTV  acknowledges  that it is able to weigh
for itself the risk of the  transactions  contemplated by this Agreement and has
the  ability  to bear the  economic  risks of its  investment  pursuant  to this
Agreement.  MLTV represents and warrants to Photon that it understands  that the
securities  being  purchased  hereunder  are  restricted  securities  within the
meaning  of Rule 144 under the  Securities  Act;  that such  securities  are not
registered and must be held indefinitely unless they are subsequently registered
or an exemption from such  registration  is available;  that, in any event,  the
exemption  from  registration  under Rule 144 will not be available for at least
two  years,  and even then will not be  available  unless  (i) a public  trading
market then exists for the Shares, (ii) adequate  information  concerning Photon
is then  available to the public,  and (iii) other terms and  conditions of Rule
144 are complied with; and that any sale of such  securities may be made by MLTV
only in accordance with such terms and conditions.

                        (b) The certificates  representing the Shares shall have
stamped,  typed or printed  thereon  the  following  legend (in  addition to any
legend  required by applicable  state  securities law in the opinion of Photon's
legal counsel):

            THE SECURITIES  REPRESENTED BY THIS CERTIFICATE HAVE NOT
            BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933, AS
            AMENDED, AND MAY NOT BE TRANSFERRED WITHOUT AN EFFECTIVE
            REGISTRATION  STATEMENT RELATED THERETO OR AN OPINION OF
            COUNSEL REASONABLY SATISFACTORY IN FORM AND SCOPE TO THE
            COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE
            SECURITIES ACT OF 1933.

                 9.2.4.  Residence  Or  MLTV.  MLTV is not,  for  United  States
federal  income  tax  purposes,  a foreign  corporation,  a  non-resident  alien
individual,  a nonresident  alien  fiduciary of a foreign estate or trust,  or a
foreign  partnership  one or more of the members of which is, for United  States
federal  income  tax  purposes,  a  foreign  corporation,  a  nonresident  alien
individual or a non-resident alien fiduciary of a foreign estate or trust.

            9.3. Representations of Photon.

                 9.3.1. Organization, Good Standing and Qualification. Photon is
a corporation  duly organized,  validly  existing and in good standing under the
laws of the State of New Jersey.  Photon has all requisite  corporate  power and
authority to own and operate its properties  and assets,  to execute and deliver
this Agreement,  the Voting  Agreement in the form attached hereto as Exhibit E,
the Stock  Purchase  Agreement  attached  hereto as Exhibit  B, the Second  Note
attached hereto as Exhibit C, and Security  Agreement attached hereto as Exhibit
D, to  issue  and  sell the  Shares  issuable  pursuant  to the  Stock  Purchase
Agreement  as  provided  hereunder,  and to  carry  out the  provisions  of this
Agreement,  the Voting Agreement,  the Stock Purchase Agreement, the Second Note
and the Security agreement,  and to carry on its business as presently conducted
and as  presently  proposed to be  conducted.  Photon is duly  qualified  and is
authorized  to do business and is in good standing as a foreign  corporation  in
all  jurisdictions  in which the nature of its  activities and of its properties
(both owned and leased)  makes such  qualification  necessary,  except for those
jurisdictions in which failure to do so would not have a material adverse effect
on  Photon  or its  business.  Photon  owns no  equity  securities  of any other
corporation,  limited partnership or similar entity.  Except with respect to the
Initial  Agreements,   Photon  is  not  a  participant  in  any  joint  venture,
partnership or similar arrangement.

                 9.3.2.  Capitalization;  Voting Rights.  The authorized capital
stock of Photon,  immediately  prior to the Closing,  will consist of 10,000,000
shares of Common Stock,  2,627,200  shares of which are issued and  outstanding.
All issued and  outstanding  shares of Photon's  Common Stock (i) have been duly
authorized and validly issued, (ii) are fully paid and nonassessable,  and (iii)
were issued in compliance with all applicable  state and federal laws concerning
the  issuance  of  securities.  Except as may be granted  pursuant to the Voting
Agreement,   the   Security   agreement   and  the  Stock   Purchase   Agreement
(collectively,  the "Related  Agreements"),  there are no  outstanding  options,
warrants,  rights (including conversion or preemptive rights and rights of first
refusal),  proxy or  shareholder  agreements,  or agreements of any kind for the
purchase or  acquisition  from Photon of any of its  securities.  When issued in
compliance  with the  provisions  of this  Agreement  and  Photon's  Articles of
Incorporation,  the Shares will be validly issued, fully paid and nonassessable,
and  will be free of any  liens or  encumbrances;  provided,  however,  that the
Shares may be subject to  restrictions  on transfer  under state and/or  federal
securities laws as set forth herein or as otherwise required by such laws at the
time a transfer is proposed.

         10. Miscellaneous.

             10.1. Notices.  All notices,  requests,  claims,  demands and other
communications  to any party hereunder shall be in writing and shall be given to
such party, addressed to such party at such party's address or telecopier number
set forth below,  or at such other  address or  telecopier  number as such party
hereafter  may specify for the purpose of notice,  by notice given in accordance
with this Section 10 to the other  parties.  Each such notice,  request,  claim,
demand or other communication shall be effective (a) if given by telecopier when
such telecopy is transmitted to the telecopier  number  specified  below, (b) if
given by mail  five (5)  days  after  the same is  deposited  as  registered  or
certified  mail in the United  States  mail,  postage  prepaid and  addressed as
provided  herein,  or (c) if given by any  other  means  when  delivered  at the
address  specified  below. In addition,  any  communication  given by telecopier
shall be confirmed by writing  deposited in the United States mail in the manner
provided above. Notices hereunder shall be given to the parties at the following
addresses:

           If to Photon:

                    Photon Technology International, Inc.
                    Princeton Corporate Plaza
                    1 Deerpark Drive, Suite F
                    South Brunswick, NJ 08852
                    Attention: Mr. William Looney
                    Telecopier: (908) 329-9069

           With a copy to:

                    Brobeck, Phleger & Harrison
                    Two Embarcadero Place
                    2200 Geng Road
                    Palo Alto, CA 94303-0913
                    Telephone: (415) 424-0160
                    Attention: J. Stephan Dolezalek, Esq.
                    Telecopier: (415) 496-2736

           If to MLTV:

                    ML Technology Ventures, L P.
                    Merrill Lynch World Headquarters
                    World Financial Center
                    North Tower, 18th Floor
                    New York, New York 10291-1318
                    Attention:
                    Telecopier:

           With a copy to:

                    ML Technology Ventures, L.P.
                    3000 Sand Hill Road
                    Building 3, Suite 245
                    Menlo Park, California 94025
                    Attention: Dr. Robert E. Curry
                    Telephone: (415) 854-1550
                    Telecopier: (415) 854-1025

           And a copy to:

                    Cooley Godward Castro Huddelson & Tatum
                    5 Palo Alto Square
                    3000 El Camino Ave.
                    Palo Alto, CA 94306-2155
                    Attention: Deborah A. Marshall, Esq.
                    Telephone: (415) 843-5137
                    Telecopier: (415) 857-0663


             10.2. Entire Agreement. This Agreement,  together with the Exhibits
attached  hereto,  contains the entire  agreement  among the parties hereto with
respect to the transactions  contemplated  hereby, and contains all of the terms
and conditions  thereof and supersedes all prior  agreements and  understandings
relating  to the  subject  matter  hereof  No  changes  or  modifications  of or
additions to this  Agreement  shall be valid unless the same shall be in writing
and signed by each party hereto.

             10.3.  Severability.  The  provisions  of this  Agreement  shall be
deemed severable,  and the invalidity or  unenforceability of any one or more of
the provisions  hereof shall not affect the validity and  enforceability  of the
other provisions hereof

             10.4.  Successors and Assigns. This Agreement shall be binding upon
and shall  enure to the  benefit  of the  parties  hereto  and their  respective
predecessors and successors, past, present and future affiliates,  subsidiaries,
parent or related  entities,  joint ventures,  sureties,  insurers,  principals,
partners, partnerships,  assigns, shareholders,  directors, officers, employees,
agents,    consultants,    attorneys,    accountants,    advisors,    executors,
administrators,  nominees and representatives;  provided, however. that no party
may assign any of its rights or delegate any of its duties under this  Agreement
without the prior  written  consent of each other party hereto which consent may
not be unreasonably withheld.

             10.5. Waivers. No waiver of any of the provisions of this Agreement
shall be deemed to be or shall  constitute  a waiver of any other  provision  of
this  Agreement,  whether  or not  similar,  nor shall any waiver  constitute  a
continuing waiver. No waiver of any provision of this Agreement shall be binding
on the parties  hereto  unless it is executed in writing by the party making the
waiver.

             10.6.   Further   Assurances.   Following  the  execution  of  this
Agreement,  each party  hereto will  execute and deliver or cause to be executed
and delivered such further documents,  and will take such other actions,  as any
other  party  hereto   reasonably   may  request  to  effect  the   transactions
contemplated by this Agreement.

             10.7. No Third Party Beneficiaries.  None of the provisions of this
Agreement  shall  be for the  benefit  of,  or  shall  be  enforceable  by,  any
third-party beneficiary.

             10.8. Headings.  The cover page and Section and Subsection headings
used  herein  are for  convenience  of  reference  only,  are not a part of this
Agreement  and  are  not  to  affect  the  construction  of,  or be  taken  into
consideration in interpreting, any provision of this Agreement.

             10.9.  Counterparts.  This  Agreement  may be  executed  in several
counterparts  all of which together shall constitute one and the same instrument
with the same force and effect as though each of the parties hereto had executed
the same document.

             10.10.  Governing Law. This Agreement is made and shall be governed
by, and construed and enforced in accordance  with, the laws of the State of New
Jersey,  without regard to the conflict of laws principles  thereof, as the same
apply to agreements  executed solely by residents of New Jersey and wholly to be
performed within California.
<PAGE>
             IN WITNESS WHEREOF, the parties have executed this Agreement on the
day and year first above written.




                    Photon Technology International, Inc.,
                    a New Jersey corporation




                    By: 
                    Name: /s/Charles G. Marianik
                    Its:



                    ML Technology Ventures, LP,
                    a Delaware Limited Partnership





                    By:
                              General Partner

                    By: 

                    Its:
<PAGE>
                                VOTING AGREEMENT


                  THIS  AGREEMENT  is made as of December 8, 1995,  by and among
Photon  Technology  International,  Inc.  a New Jersey  corporation  ("Photon"),
Charles G. Marianik  ("Marianik") and ML Technology  Ventures,  L.P., a Delaware
limited partnership ("MLTV").

                  WHEREAS,  MLTV and  Photon  have  entered  into  that  certain
Purchase Agreement, of even date herewith (the "Purchase Agreement");

                  WHEREAS, upon consummation of the transactions contemplated by
the Purchase Agreement (the "Transactions") Marianik and MLTV will together hold
approximately 2,037,154 shares of Photon's Common Stock; and

                  WHEREAS,   in  connection   with  the   consummation   of  the
Transactions,  and in  order to  induce  MLTV to  enter  into the  Transactions,
Photon,  Marianik  and MLTV have agreed to provide for the future  voting of the
Photon securities held by Marianik and MLTV, respectively, as set forth below:

                  NOW,  THEREFORE,  in consideration  of the premises  contained
herein  and  in  the  Purchase  Agreement,  and  for  other  good  and  valuable
consideration,  the receipt and sufficiency of which are hereby acknowledged, IT
IS HEREBY AGREED AS FOLLOWS:

                  1. Agreement  Regarding Vote. The parties hereto each agree to
hold all voting  securities of Photon  registered in their  respective  names or
beneficially owned by them as of the date hereof  (collectively,  the "Shares"),
subject to, and to vote the Shares in accordance  with,  the  provisions of this
Agreement.  During the term of this Agreement,  in the event that it is proposed
that  Photon  and its  shareholders  effect a  transaction  or series of related
transactions  in which more than fifty  percent  (50%) of Photon voting power of
the  corporation  is  disposed  of, or in which  Photon  will be  liquidated  or
dissolved,  or in which Photon will sell,  convey,  or  otherwise  dispose of or
encumber all or  substantially  all of its property or business or merge into or
consolidate  with any other  corporation  (other that a wholly-owned  subsidiary
corporation  or a merger  solely to effect a change in  domicile),  the  parties
hereto agree that neither party shall vote any of the shares of Photon's  voting
securities now or hereafter  owned by them,  whether  beneficially  or otherwise
(the  "Shares") in favor of such  proposal  without  first  consulting  with and
obtaining the written consent of the other party.

                  2. Legend.

                     (a)  Concurrently  with the  execution  of this  Agreement,
there shall be imprinted or otherwise placed,  on certificates  representing the
Shares the following restrictive legend (the "Legend"):

            "THE SHARES  REPRESENTED BY THIS CERTIFICATE ARE SUBJECT
            TO THE TERMS AND CONDITIONS OF A VOTING  AGREEMENT WHICH
            PLACES CERTAIN  RESTRICTIONS ON THE VOTING OF THE SHARES
            REPRESENTED HEREBY. ANY PERSON ACCEPTING ANY INTEREST IN
            SUCH SHARES SHALL BE DEEMED TO AGREE TO AND SHALL BECOME
            BOUND BY ALL OF THE PROVISIONS OF SUCH VOTING AGREEMENT.
            A COPY OF SUCH VOTING AGREEMENT WILL BE FURNISHED TO THE
            RECORD HOLDER OF THIS  CERTIFICATE  WITHOUT  CHARGE UPON
            WRITTEN  REQUEST  TO  PHOTON AT ITS  PRINCIPAL  PLACE OF
            BUSINESS."

                     (b) Photon agrees that,  during the term of this Agreement,
it will not  remove,  and will not permit to be removed  (upon  registration  of
transfer,  reissuance or otherwise),  the Legend from any such  certificate  and
will  place or cause to be placed the  Legend on any new  certificate  issued to
represent Shares theretofore represented by a certificate carrying the Legend.

                  3. Successors in Interest of the Investors.  The provisions of
this  Agreement  shall be binding upon the successors in interest of the parties
hereto to any of the Shares owned by such  parties.  Photon shall not permit the
transfer of any Shares owned by either  party to this  Agreement on its books or
issue a new certificate representing any such Shares unless and until the person
to whom  such  security  is to be  transferred  shall  have  executed  a written
agreement in the form of this Agreement  pursuant to which such person becomes a
party to this Agreement and agrees to be bound by all the  provisions  hereof as
if such person was an original party hereunder.

                  4. Other Rights.  Except as provided by this  Agreement,  MLTV
and Marianik,  and their successors and assigns,  shall exercise the full rights
of a shareholder with respect to the Shares.

                  5. Amendments and Waivers.  Any term hereof may be amended and
the  observance  of any term  hereof  may be waived  (either  generally  or in a
particular  instance and either  retroactively or  prospectively)  only with the
written  consent  of each of the  parties  hereto.  Any  amendment  or waiver so
effected shall be binding upon the parties hereto or their assigns.

                  6. Stock  Splits,  Stock  Dividend,  etc.  In the event of any
stock split, stock dividend, recapitalization,  reorganization, or the like, any
securities issued with respect to the Shares shall be subject to this Agreement.

                  7. Further  Action.  If and whenever the Shares are sold,  the
parties hereto or their personal representatives shall do all things and execute
and deliver all documents and make all  transfers,  and cause any  transferee of
the Shares to do all things and execute and  deliver  all  documents,  as may be
reasonable and necessary to consummate such sale consistent with this Agreement.

                  8. Specific Performance. The parties hereto declare that it is
impossible  to measure in money the damages  which will accrue to a party hereto
or to their heirs, personal  representatives,  or assigns by reason of a failure
to perform any of the obligations  under this Agreement and agree that the terms
of this Agreement shall be specifically enforceable.  If any party hereto or his
or her or its heirs, personal representatives,  or assigns institutes any action
or proceeding to specifically  enforce the provisions hereof, any person against
whom such action or  proceeding  is brought  hereby  waives the claim or defense
therein  that  such  party or such  personal  representative  or  assign  has an
adequate  remedy at law,  and such  person  shall  not offer any such  action or
proceeding the claim or defense that such remedy at law exists.

                  9.  Severability.  Whenever  possible,  each provision of this
Agreement  shall be  interpreted  in such manners as to be  effective  and valid
under applicable law, but if any provision of this Agreement shall be held to be
prohibited  by  or  invalid  under  applicable  law,  such  provision  shall  be
ineffective  only to the  extent  of such  prohibition  or  invalidity,  without
invalidating the remainder of such provision or the remaining provisions of this
Agreement.

                  10.  Governing  Law. This  Agreement  shall be governed by and
construed  under  the laws of the  State of New  Jersey  without  regard  to the
conflict of laws provisions  thereof, as such laws apply to agreements among New
Jersey  residents  made and to be  performed  entirely  within  the State of New
Jersey.

                  11.  Counterparts.  This  Agreement  may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.

                  12.  Successors  and Assigns.  Except as  otherwise  expressly
provided in this Agreement, the provisions hereof shall inure to the benefit of,
and be binding upon, the successors and assigns of the parties hereto.
<PAGE>
         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement as
of the day and year hereinabove first written.


                                            _________________________________
                                            Charles G. Marianik

                                            ML TECHNOLOGY VENTURES, L.P., a
                                            Delaware Limited Partnership


                                            By:_____________________________
                                                    General Partner

                                            By:_____________________________

                                            Its: ___________________________





By:   ML Technology Ventures, L.P.
      DLJ Capital Management Corporation        PHOTON TECHNOLOGY INTERNATIONAL,
          its Sub-Manager                       INC., a New Jersey corporation

By:   /s/Robert F. Curry                        By: ____________________________
      ----------------------------------
      Authorized Officer
                                                Its: ___________________________

                                    DEBENTURE

             THIS DEBENTURE delivered the 31st day of October, 1995,

BY:

             PHOTON  TECHNOLOGY   INTERNATIONAL  (CANADA)  INC.,  a  corporation
             incorporated  under  the  laws of  Ontario  and  having  its  chief
             executive office at 347 Consortium Court, London, Ontario N6E 2S8

             ("Photon")

TO:

             C.I.-C.P.A. BUSINESS VENTURES FUND INC.

             ("C.I.-C.P.A.")

WITNESSES THAT:

                  The  Corporation,  for  value  received,  hereby  acknowledges
itself indebted and promises to pay to the  Debentureholder,  in accordance with
the provisions  hereof,  (i) on the Maturity Date or on such earlier date as the
remaining  principal amount outstanding  hereunder may become due and payable as
hereinafter  provided,  upon presentation and surrender of this Debenture to the
Corporation,  the remaining principal amount outstanding  hereunder at such time
as set out in  Schedule  A hereto;  (ii)  instalments  on the  principal  amount
hereunder in the amounts, on the dates and in the manner set forth herein; (iii)
all  such  other  amounts  as  may  be  payable  by  the   Corporation   to  the
Debentureholder  hereunder in the manner set forth herein;  and (iv) interest as
hereinafter  provided,  on the principal amount outstanding under this Debenture
from  time to time  and on all  such  other  amounts  that  may  become  overdue
hereunder,  at the rate of 12% per annum from the date of the Initial Advance to
the date the entire  principal amount  outstanding  under this Debenture and all
other amounts payable hereunder are fully paid and satisfied.

                  The following provisions shall apply to this Debenture:
<PAGE>
                                   ARTICLE 1.

                                 INTERPRETATION


1.1.     Definitions

         Where used in this  Debenture,  the following  words and phrases shall,
unless there is something in the context otherwise inconsistent therewith,  have
the following meanings, respectively:

     "Business Day" means any day other than a Saturday,  a Sunday and any other
     day on which Canadian  chartered banks in Toronto are required to be or may
     be closed for business;

     "Charged  Property"  means  the  Collateral  as  defined  in  the  Security
     Agreement;

     "Close of Business" means 4:00 p.m., Toronto time;

     "Corporation" means Photon and its successors hereunder;

     "Contaminant"  means any solid,  liquid,  gas, odour,  heat, sound,  smoke,
     waste,  vibration,  radiation  or  combination  of  any of  them  resulting
     directly or indirectly from human activities that may cause: (i) impairment
     of the quality of the natural  environment  for any use that can be made of
     it, (ii) injury or damage to  property  or to plant or animal  life,  (iii)
     harm or material  discomfort to any Person,  (iv) an adverse  effect on the
     health of any Person,  (v)  impairment  of the safety of any  Person,  (vi)
     rendering any property or plant or animal life unfit for use by man,  (vii)
     loss of enjoyment of normal use of property,  or (viii)  interference  with
     the normal  conduct of business,  and includes any pollutant or contaminant
     as  defined  in any  applicable  Environmental  Laws  and  any  biological,
     chemical or physical  agent which is regulated,  prohibited,  restricted or
     controlled;

     "Debenture"  means this Debenture and all schedules  attached  hereto as it
     and they may be amended or supplemented from time to time;

     "Debentureholder" means C.I.-C.P.A. or such other Person for the time being
     who may be entered in the Register as holder of this Debenture;

     "Environmental  Laws"  means the common  laws and all  applicable  federal,
     provincial,  local,  municipal,  governmental or  quasi-governmental  laws,
     rules, regulations,  licences,  orders, permits,  decisions or requirements
     concerning  Contaminants,  occupational  or public health and safety of the
     environment and any other order, injunction,  judgment, declaration, notice
     or demand issued thereunder;

     "Equity" means, on a consolidated  basis, the aggregate of all issued share
     capital, retained earnings and contributed surplus less goodwill;

     "Event of Default" has the meaning attributed to that term in Section 9.1;

     "GAAP" means accounting  principles generally accepted in the United States
     of America;

     "Group" means the Corporation  together with all related  corporations  and
     partnerships  within the meaning of the Labour  Sponsored  Venture  Capital
     Corporations Act, 1992 (Ontario), as amended;

     "Guarantor"  means Photon  Technology  International,  Inc., a  corporation
     incorporated under the laws of the State of New Jersey;

     "herein", "hereto", "hereunder", "hereof", "hereby" and similar expressions
     mean  or  refer  to  these  provisions  of  this  Debenture  and not to any
     particular Article, Section, subsection, subdivision or portion hereof, and
     the expressions "Article",  "Section" and "subsection" followed by a number
     or a letter mean and refer to the specified article,  section or subsection
     hereof;

     "Initial Advance" has the meaning attributed to that term in Section 2.1;

     "Interest  Coverage  Ratio"  means at the end of any  particular  1 2-month
     period,   consolidated  net  income  of  the  Guarantor  as  determined  in
     accordance  with GAAP,  before taking into account taxes and  extraordinary
     items, plus interest on all debt, divided by interest on all debt;

     "Material  Contracts"  means  those  agreements  set  out on  the  attached
     Schedule C;

     "Maturity  Date"  means the date on which the  remaining  principal  amount
     outstanding under this Debenture falls due, being October 31, 2000;

     "MLTV" means M.L.  Technology  Ventures,  L.P., a limited partnership under
     the laws of the State of Delaware;

     "MLTV Debt" means the amount  owing from time to time by the  Guarantor  to
     MLTV pursuant to a  subordinated  debt  agreement  originally  entered into
     between the Guarantor  and MLTV on May 7, 1991, as such  agreement has been
     amended and revised;

     "Option  Agreement"  means the agreement  dated the date hereof between the
     Guarantor  and the  Debentureholder  pursuant  to which the  Guarantor  has
     granted to the  Debentureholder  options to purchase  common  shares of the
     Guarantor;

     "Person" means any  individual,  partnership,  limited  partnership,  joint
     venture,  syndicate,  sole  proprietorship,  company or corporation with or
     without  share  capital,   unincorporated   association,   trust,  trustee,
     executor, administrator or other legal personal representative,  regulatory
     body or agency,  government  or  governmental  agency,  authority or entity
     however designated or constituted;

     "Pledge  Agreement"  means the pledge  agreement  and related  guarantee in
     favour of the Debentureholder  pledging one common share of the Corporation
     (being all of the issued and outstanding  common shares of the Corporation)
     registered in the name of the Guarantor as security for the  performance by
     the Corporation of its obligations hereunder;

     "Prepayment  Date" means the date fixed by the directors of the Corporation
     for prepayment of all or any part of this Debenture set forth in the notice
     of prepayment referred to in Section 6.2;

     "Principal" means Charles G. Marianik,  the Chairman,  President and CEO of
     the Corporation at the date hereof;

     "Program" means the proposed  expenditure  program of the Corporation,  the
     details  of  which  are set out in the use of  proceeds  schedule  attached
     hereto as Schedule B;

     "Register" has the meaning attributed to that term in Section 10.1;

     "Security  Agreement" means the general security agreement in favour of the
     Debentureholder,  providing  for the creation of a security  interest  over
     certain  assets  of  the  Corporation  to  secure  the  performance  by the
     Corporation of its obligations under this Debenture;

     "Senior  Indebtedness"  means (a) the  principal  of; (b) all  interest and
     premium (if any) on; and (c) all fees,  costs,  expenses and other  amounts
     (including  legal fees and  disbursements,  on a  solicitor  and own client
     basis)  incurred  by any  Person  to  whom  Senior  Indebtedness  is due in
     connection with any realization or due to proceedings  under the Bankruptcy
     and  Insolvency  Act  (Canada)  relating  to, any  existing  or future debt
     obligations of the Corporation, other than:

         (i)      indebtedness of the Corporation evidenced by this Debenture;

         (ii)     debt   obligations   issued  by  the  Corporation   which  are
                  prescribed to be "small business  securities" for the purposes
                  of  paragraph  (a)  of  the  definition  of  "small   business
                  property" in subsection 206(1) oftheIncome Tax Act (Canada);

         (iii)    indebtedness of the Corporation  owing to a shareholder of the
                  Corporation or to a Person related to a shareholder; and

         (iv)     indebtedness which, by the terms of the instrument creating or
                  evidencing  such   indebtedness  or  pursuant  to  which  such
                  indebtedness is outstanding,  is not prior in right of payment
                  to this Debenture but ranks pari passu with or is subordinated
                  in right of payment to this Debenture;

     "Subordinated  Debt" means any  indebtedness of the Corporation  other than
     Senior   Indebtedness,   indebtedness   evidenced  by  this  Debenture  and
     indebtedness which ranks pari passu with this Debenture;

     "Taxable Canadian  Corporation" has the meaning  attributed to that term by
     subsection 89(1 ) of the Income Tax Act (Canada);

     "Total Debt" means, on a consolidated  basis,  the aggregate of all current
     and long term liabilities  including all capital  equipment leases measured
     at the capitalized value of the remaining rentals due on such leases;

     "Working  Capital"  means,  on a consolidated  basis,  the aggregate of all
     current  assets less current  liabilities  (excluding the MLTV Debt and the
     current  portion of the final  payment of  principal  due  hereunder at the
     Maturity Date), all calculated in accordance with GAAP; and

     "Working  Capital Ratio" means, on a consolidated  basis,  the aggregate of
     all current assets divided by current liabilities  (excluding the MLTV Debt
     and the current  portion of the final payment of principal due hereunder at
     the Maturity Date), all calculated in accordance with GAAP.


1.2.     Gender, etc.

         Words  importing  the singular  number only include the plural and vice
versa, and words importing a gender include all genders.


1.3.     Currency

         Unless otherwise  specifically  stated,  all dollar amounts referred to
herein shall be in lawful money of Canada.


1.4.     Headings

         The division of this Debenture into Articles,  Sections and subsections
or other  subdivisions,  and the  insertion of headings are for  convenience  of
reference only and shall not affect the construction or interpretation hereof.


1.5.     Business Day

         In the event  that any day on which any  principal,  interest  or other
amount is  payable  by the  Corporation,  or on or by which any other  action is
required to be taken by the  Corporation  hereunder is not a Business  Day, then
such  principal,  interest or other amount shall be payable or such other action
shall  be  required  to be taken on or by the  next  succeeding  day  which is a
Business Day. If the payment of any amount is deferred for any period, then such
period shall be included for purposes of the computation of any interest payable
hereunder.


 1.6.    Computation of Time Period

         Except to the extent otherwise provided herein, in the computation of a
period of time from a specified date to a later  specified date, the word "from"
means  "from and  including"  and the words "to" and  "until"  each mean "to but
excluding".


                                   ARTICLE 2.

                                 INITIAL ADVANCE


2.1.     Amount of Initial Advance

         The  Debentureholder  hereby agrees to advance to the  Corporation  the
amount of  $1,500,000  (the  "Initial  Advance")  upon the  satisfaction  of the
conditions  contained in Section 2.2. Schedule A attached hereto shall set forth
the schedule of payments of  principal to be made in repayment of the  principal
amount outstanding hereunder.


2.2.     Conditions of Initial Advance

         The Initial  Advance shall be made upon the  satisfaction of all of the
following:

  2.2.1. The  Guarantor  shall have  entered into  binding  arrangements  to the
         satisfaction of the  Debentureholder for the repayment of the MLTV Debt
         and for the  issuance  to MLTV of  common  shares of the  Guarantor  in
         satisfaction of the purchase price of certain technology rights;

  2.2.2. The Option  Agreement  shall have been  executed  and  delivered by the
         Guarantor;

  2.2.3. A life insurance policy in the minimum amount of US$500,000 on the life
         of the Principal,  in form satisfactory to the  Debentureholder,  shall
         have been  obtained  and all  interests  in such policy shall have been
         assigned  to the  Debentureholder  as  security  for the  Corporation's
         obligations hereunder and the Guarantor's  obligations under the Pledge
         Agreement;

  2.2.4. The Corporation  shall have paid to C.I.-C.P.A.  a fee in the amount of
         $30,000 and to  Covington  Capital  Corporation  a fee in the amount of
         $26,500 for services rendered;

  2.2.5. The Security Agreement and any other security  instrument  delivered in
         connection with this Debenture,  including the Pledge Agreement,  shall
         be in form and substance  satisfactory to the Debentureholder and shall
         have been  executed and  delivered by the party  providing the security
         thereunder;

  2.2.6. All legal and insurance  documentation  (including  the addition of the
         Debentureholder  as an additional  insured under all insurance policies
         of the  Corporation)  shall have been completed to the  satisfaction of
         the Debentureholder;

  2.2.7. All  appropriate  legal and  business  due  diligence  shall  have been
         completed to the satisfaction of the Debentureholder;

  2.2.8. Unqualified,  audited consolidated  financial statements as at June 30,
         1995  showing  no  adverse  change in the  financial  condition  of the
         Guarantor  and its  subsidiaries  since  June 30,  1994 shall have been
         prepared and delivered to the Debentureholder;

  2.2.9. Evidence  shall  have  been  produced  to  the   satisfaction   of  the
         Debentureholder   demonstrating   that  the  Corporation  has  received
         approval  from its bankers of an operating  line of credit in an amount
         of not less than $1,500,000;

  2.2.10.Counsel to the  Corporation  and to the Guarantor  shall have delivered
         to the Debentureholder opinions in form and content satisfactory to the
         Debentureholder,  including  opinions as to the  enforceability of this
         Debenture,  the Option Agreement,  the Security  Agreement,  the Pledge
         Agreement and any other  instrument  delivered in connection  with this
         Debenture and as to the validity of the security  interests  created by
         any security instruments delivered in connection herewith; and

  2.2.11.This   Debenture   shall   remain  in  full  force  and   effect,   all
         representations  and warranties of the  Corporation  hereunder shall be
         true and correct,  no Event of Default shall exist, no material adverse
         change shall have occurred,  and all covenants and agreements  required
         to have been  performed on the date of the Initial  Advance  shall have
         been performed.


                                   ARTICLE 3.

                               SUBSEQUENT ADVANCES


3.1.     Subsequent Advances

         The making of any further  advances to the Corporation  hereunder shall
be  on  such  terms  and   conditions   as  may  be  agreed  upon   between  the
Debentureholder  and the Corporation from time to time and, if made,  Schedule A
attached hereto shall be amended and initialed for identification to reflect the
change in the principal amount outstanding hereunder.


                                   ARTICLE 4.

                              PAYMENT AND INTEREST


4.1.     Payment of Principal

  4.1.1. Payments of instalments on the principal amount hereunder shall be made
         in accordance with the provisions  hereof and in the amounts and on the
         dates set forth in Schedule A hereto.

  4.1.2. The  principal  amount  remaining   outstanding  under  this  Debenture
         (together  with any  accrued  and  unpaid  interest  thereon)  shall be
         payable  at the  Maturity  Date  or at any  such  other  time  provided
         hereunder for the payment of the entire  principal  amount  outstanding
         under this Debenture, upon presentation and surrender of this Debenture
         at the principal  office of the  Corporation at 347  Consortium  Court,
         London,  Ontario  or at such  other  place as the  Debentureholder  may
         request in  writing by notice to the  Corporation  in  accordance  with
         Section 11.2.1.


4.2.     Payment of Interest

         Interest at the rate of 12% per annum calculated and compounded monthly
from  the  date of the  Initial  Advance  shall  accrue  from  that  date on the
outstanding  principal  amount under this Debenture from time to time and on all
other amounts payable  hereunder which may become overdue,  and shall be payable
monthly in arrears on the last day of each month both before and after maturity,
default and judgment, with interest on overdue interest payable at the same rate
and upon the same terms.


4.3.     Payments

         As payments  under this  Debenture  become due, the  Corporation  shall
(except in the case of payment at the Maturity Date or at such other time as the
entire  amount  outstanding  hereunder  may be payable  upon  surrender  of this
Debenture),  at least three  Business Days prior to each date on which a payment
becomes due,  forward or cause to be forwarded by prepaid post to the registered
address of the Debentureholder as it appears in the Register,  a cheque for such
amount, less any tax required by law to be deducted,  payable to or to the order
of the  Debentureholder.  The  forwarding  of  such  cheque  shall  satisfy  and
discharge the  liability for such payment under this  Debenture to the extent of
the sum  represented  thereby (plus the amount of any tax deducted as aforesaid)
unless such cheque be not paid on  presentation;  provided that, in the event of
non-receipt  of such cheque by the  Debentureholder,  or the loss or destruction
thereof, the Corporation,  upon being furnished with reasonable evidence of such
non-receipt,  loss or destruction and indemnity  reasonably  satisfactory to it,
will issue to the  Debentureholder  a replacement  cheque for the same amount of
such cheque.


 4.4.    Service Fee

         The Corporation shall pay to the  Debentureholder a monthly service fee
in the amount of $100 on the last day of every month in which:

  4.4.1. the  Corporation  fails to make payment of an amount due hereunder when
         due;

  4.4.2. the Corporation fails to make payment of any amount overdue hereunder;

  4.4.3. the  Corporation  fails  to  maintain  or cause  to be  maintained  the
         insurance required pursuant to Sections 8.1.18 and 8.1.19; or

  4.4.4. the Corporation fails to provide to the  Debentureholder  the financial
         information required to be provided pursuant to Section 8.1.12.


4.5.     Amount Owing Under
Debenture

         The amount  owing under this  Debenture  shall be deemed to include all
interest,   compound   interest,   receivership   fees,  costs  of  seizure  and
realization, and legal fees relating to collections and realization, all levies,
taxes and liens that must be paid, satisfied or otherwise discharged in order to
seize or realize on the Charged  Property and all other costs,  fees and amounts
payable under the terms of this Debenture (and any renewal or extension hereof),
in addition to any principal amounts advanced.


                                   ARTICLE 5.

                  SECURITY AND DEALING WITH CHARGE .D PROPERTY


5.1.     General Security Agreement

         The  security  for the  payment of the  principal,  interest  and other
monies from time to time owing under this Debenture,  and the performance by the
Corporation  of  all of  its  obligations  hereunder,  shall  be set  out in the
Security Agreement and the Pledge Agreement.


5.2.     Dealing with Charged Property

  5.2.1. The security interest created by the Security Agreement shall in no way
         hinder or  prevent  the  Corporation  at any time and from time to time
         until the security thereby  constituted shall have become  enforceable,
         from  pledging,  charging,  selling,  alienating,  leasing or otherwise
         disposing  of or dealing  with the  Charged  Property  in the  ordinary
         course of business.

  5.2.2. The Corporation may give security to secure the payment or repayment of
         any Senior  Indebtedness,  and such security if validly perfected shall
         rank prior to the lien created by the Security Agreement on such assets
         without further action by the Debentureholder.


                                   ARTICLE 6.

                                   PREPAYMENT


6.1.     Prepayment of Debenture

         Provided  that  the  Corporation  is  not  in  default  of  any  of its
obligations  hereunder,  the  Corporation  may  at any  time  make  payments  in
multiples of $100,000 on the principal amount outstanding  hereunder in addition
to the instalments set forth in Schedule A. The funds used by the Corporation to
make any such  additional  payments,  except  payments  that would  satisfy  all
amounts then outstanding hereunder,  shall be from either operating cash flow or
refinancing approved by the Debentureholder.


6.2.     Notice of Prepayment

         Notice of intention to make any additional  payment of principal  under
this Debenture  prior to the Maturity Date shall be given by or on behalf of the
Corporation to the  Debentureholder  not more than 90 days nor less than 60 days
prior to the date fixed for such additional  payment,  in the manner provided in
Section  11.2.1.  Any notice of intention to make an  additional  payment  shall
specify the payment date (the  "Prepayment  Date"),  the amount to be paid,  and
shall  state that all  interest in respect of the  additional  amount to be paid
shall cease to accrue from and after the Prepayment  Date unless the Corporation
shall make default in the payment of the amount so to be paid.


6.3.     Amendment or Surrender for Cancellation

  6.3.1. If an amount other than the entire amount remaining  outstanding  under
         this  Debenture  shall  become  payable  pursuant  to this  Article  6,
         Schedule  A  attached  hereto  shall  be  amended  and  initialled  for
         identification  to  reflect  the  change  in  the  amount   outstanding
         hereunder.  The  instalment  amounts  payable on the  principal  amount
         outstanding hereunder as set out in Schedule A shall not be affected by
         any  additional  payment of principal  made  pursuant to this Article 6
         except in the case of any such additional payment causing the principal
         amount then  outstanding to be less than the aggregate of all remaining
         instalments  set out in  Schedule  A. In such a case,  the  instalments
         payable on the remaining  principal amount outstanding  hereunder shall
         be amended in a manner mutually agreed upon by the  Debentureholder and
         the Corporation.

  6.3.2. If the entire amount remaining  outstanding  under this Debenture shall
         become  payable  before the Maturity  Date~ the  Debentureholder  shall
         surrender this Debenture for cancellation against receipt of payment of
         the entire amount remaining outstanding hereunder.


                                   ARTICLE 7.

                                  SUBORDINATION


7.1.     Agreement to Subordinate

         The Corporation  covenants and agrees, and the Debentureholder,  by its
acceptance  hereof,   likewise  covenants  and  agrees,  that  the  indebtedness
represented by this Debenture and the payment of the principal of,  interest on,
and any other amounts due under this Debenture,  is hereby  expressly  postponed
and  subordinated,  to the extent and in the manner  hereinafter  set forth,  in
right of payment to the prior payment in full of all Senior Indebtedness.


7.2.     Distribution of Assets, etc.

         Upon any  distribution of assets of the Corporation on any dissolution,
winding  up,  liquidation  or  reorganization  of the  Corporation,  whether  in
bankruptcy,  insolvency,  reorganization  or  receivership  proceedings or on an
assignment  for the  benefit of its  creditors,  the  Persons to whom any Senior
Indebtedness  is owing will first be entitled to receive  payment in full of the
Senior Indebtedness, in accordance with the terms of me agreements governing the
Senior  Indebtedness,  before the  Debentureholder  is  entitled  to receive any
payment on account of the  principal  of,  interest on, or any other amounts due
under this Debenture.


7.3.     Subrogation

         Subject  to  and  upon  the  prior   payment  in  full  of  all  Senior
Indebtedness,  the  Debentureholder  shall be  subrogated  to the  rights of the
Persons to whom Senior Indebtedness is due to receive payments and distributions
of cash, property and securities applicable to the Senior Indebtedness until all
amounts owing on this  Debenture  shall have been paid in full.  For purposes of
such  subrogation,  no payments or  distributions  to the Persons to whom Senior
Indebtedness  is  due  of  any  cash,   property  or  securities  to  which  the
Debentureholder would be entitled except for the provisions of this Article, and
no payments  over  pursuant to the  provisions of this Article to the Persons to
whom Senior  Indebtedness is due by the  Debentureholder,  shall, as between the
Corporation,  its creditors (other than the Persons to whom Senior  Indebtedness
is due) and the  Debentureholder,  be deemed to be a payment or  distribution by
the Corporation to or on account of the Persons to whom the Senior  Indebtedness
is due, it being  understood  that the  provisions of this Article 7 are and are
intended  solely  for  the  purpose  of  defining  the  relative  rights  of the
Debentureholder,   on  the  one  hand,  and  the  Persons  to  whom  the  Senior
Indebtedness is due, on the other hand.


 7.4.    Obligations of Corporation Unconditional

         Nothing  contained  in this  Article 7 is intended  to or  impairs,  as
between the  Corporation,  its creditors  (other than the Persons to whom Senior
Indebtedness   is  due),  and  the   Debentureholder,   the  obligation  of  the
Corporation, which is absolute and unconditional,  to pay to the Debentureholder
the principal of, interest on, and any other amounts due under this Debenture as
and when the same  become due and  payable  in  accordance  with its  terms,  or
affects  the  relative  rights  of  the  Debentureholder  and  creditors  of the
Corporation  (other than the Persons to whom Senior  Indebtedness  is due),  nor
does anything  herein prevent the  Debentureholder  from exercising all remedies
otherwise  permitted by applicable law upon an Event of Default,  subject to the
rights, if any, under this Article of the Persons to whom Senior Indebtedness is
due in respect of cash, property or securities of the Corporation  received upon
the exercise of any such remedy.


7.5.     No Payments to Debentureholder if Senior Indebtedness is in Default

  7.5.1. Upon  me  maturity  of  any  Senior  Indebtedness  by  lapse  of  time,
         acceleration or otherwise, or upon demand being made for payment of any
         Senior Indebtedness which is payable upon demand, all principal thereof
         (premium,  if any) and interest due thereon must first be paid in full,
         or such payment duly  provided for in cash or in a manner  satisfactory
         to the  Persons to whom such  Senior  Indebtedness  is due,  before any
         payment is made on  account of me  principal  of,  interest  on, or any
         other amounts due under this Debenture or to acquire this Debenture.

  7.5.2. Upon the occurrence of an event of default,  or an event which with the
         giving of notice or lapse of time or both would  constitute an event of
         default,  with  respect  to any Senior  Indebtedness,  as such event of
         default  is  defined  therein or in the  instrument  under  which it is
         outstanding, permitting the Persons to whom such Senior Indebtedness is
         due to accelerate the maturity  thereof,  or upon demand being made for
         payment of any  Senior  Indebtedness  which is  payable  on demand,  no
         payment may be made by the  Corporation  with respect to the  principal
         of,  interest on, or any other  amounts due under this  Debenture or to
         acquire  this  Debenture  until such event or event of default has been
         cured or waived or has  ceased to exist or until  payment of the amount
         demanded  which is payable on demand  shall have been made in full,  as
         the case may be.


7.6.     Payments on Debenture Permitted

         Nothing  contained in this  Article 7 or  elsewhere in this  Debenture,
affects  the  obligation  or right of the  Corporation  to  make,  at the  times
specified or permitted therefor,  except during the pendency of any dissolution,
winding up, liquidation,  reorganization or receivership proceeding,  and except
during the  continuance  of any event of default  specified  in Section 7.5 (not
cured or waived),  payments of principal  of,  interest on and any other amounts
due under this Debenture,  or any additional  payments of principal  outstanding
under this Debenture with respect to which notice shall have been given pursuant
to Section 6.2 hereof,  prior to the  happening  of such event of default or the
existence of facts described in Section 7.5.


                                   ARTICLE 8.

                  COVENANTS AND REPRESENTATIONS AND WARRANTIES

                               OF THE CORPORATION


8.1.     Covenants

         The Corporation  covenants and agrees with the Debentureholder that, so
long as any  principal  of,  interest  on, or any other  amounts  due under this
Debenture remain outstanding, it will:

 8.1.1.  use the principal  amount of the Initial  Advance under this  Debenture
         only towards the purposes of the Program;

 8.1.2.  perform all  covenants  and  agreements  contained  herein and duly and
         punctually pay or cause to be paid to the Debentureholder the principal
         of,  interest  on, and any other  amounts due under this  Debenture  in
         accordance with the terms hereof;

 8.1.3.  maintain its  corporate  existence;  maintain  the security  created in
         accordance  herewith  as a valid and  effective  charge on the  Charged
         Property;  carry on and conduct its business in a proper and  efficient
         manner and in accordance with all applicable laws; not materially alter
         me  kind of  business  carried  on by it;  advise  the  Debentureholder
         promptly  in writing of any  proposed  change in its name;  observe and
         perform  all  of its  obligations  under  leases,  licences  and  other
         agreements  to which it is a party so as to  preserve  and  protect the
         Charged  Property  and the income  therefrom;  and keep proper books of
         account with  correct  entries of all  transactions  in relation to its
         business;

 8.1.4.  pay all amounts  secured by and observe and perform all  covenants  and
         conditions  contained in all other  charges on the whole or any part of
         the Charged  Property in  accordance  with their terms,  whether  those
         charges rank prior to, pari passu with or subsequent to this Debenture;

 8.1.5.  pay or cause to be paid,  all  costs,  liabilities,  taxes,  levies  or
         assessments  properly payable or validly assessed or imposed upon it as
         and when the same shall  become due and  payable,  save and except when
         and so long as the validity of the costs, liabilities, taxes, levies or
         assessments is being contested by it diligently and in good faith;

 8.1.6.  observe  and  conform  to all valid  requirements  of any  governmental
         authority with respect to the Charged Property;

 8.1.7.  defend the  Charged  Property  against  the claims and demands of other
         parties claiming to have an interest therein, and against every charge.
         Lien, encumbrance, execution, sequestration or analogous process;

 8.1.8.  not permit any of the Charged  Property to be moved out of the Province
         of Ontario except in the ordinary course of business;  refrain from and
         prevent waste from being  committed on or against the Charged  Property
         (reasonable wear and tear excepted);  and maintain the Charged Property
         in good order and repair to the  satisfaction  of the  Debentureholder,
         acting reasonably;

 8.1.9.  not, except in the ordinary course of business, dispose of or transfer,
         or allow any  subsidiary to dispose of or transfer,  (i) any machinery,
         equipment or vehicles unless such are replaced with similar property of
         equal  or  greater   value  or  (ii)  any  other   property  or  rights
         (contractual  or otherwise)  without the prior written  approval of the
         Debentureholder;  provided  however,  that when the  Corporation is not
         otherwise in default of any  obligation  owing to the  Debentureholder,
         the  Corporation  shall have the right to sell or otherwise  dispose of
         any  equipment  or  vehicles  of an  aggregate  net book value of up to
         $150,000 in any one 12-month period. The proceeds of any such permitted
         disposition  shall be applied to the payment of any long-term  debt, if
         any, secured by such assets;

 8.1.10. in the  event  the  Charged  Property  or any part  thereof  is sold or
         disposed of prior to the full discharge of this Debenture in any manner
         not  authorized by this  Debenture and subject to any rights of Persons
         to whom any Senior  Indebtedness is due, hold all proceeds of such sale
         or  disposition   received  by  the  Corporation  as  trustee  for  the
         Debentureholder until the Corporation has been fully released from this
         Debenture;

 8.1.11. from time to time upon  request of the  Debentureholder,  do,  execute,
         acknowledge and deliver, or cause to be done, executed, acknowledged or
         delivered, all and every such further acts, deeds, mortgages, transfers
         and  assurances  in  law or  otherwise  as  the  Debentureholder  shall
         reasonably  require to perfect the security of the  Debentureholder  on
         all or part of the  Charged  Property,  or to  carry  into  effect  the
         intentions of the parties as set out in this Debenture;

 8.1.12. furnish or cause to be  furnished to the  Debentureholder  concurrently
         with the filing thereof,  copies of all 1 0-K, I 0-Q or similar reports
         of  the  Guarantor  filed  with  the  relevant  securities   regulatory
         authorities,  and  monthly,  within  30 days of the end of each  month,
         separate  unaudited  statements  of  profit  and  loss and  source  and
         application of funds in respect of the  Corporation,  the Guarantor and
         any other  subsidiary of the  Guarantor.  Separate  monthly  statements
         shall  include  comments  by the  Vice-President  of  Finance  and  the
         President of the Guarantor  regarding  variances from budget, any other
         significant  operational  or other  developments  that may  affect  the
         Corporation,  the Guarantor or any other  subsidiary of the  Guarantor,
         and a brief note on the business outlook for the near term;

 8.1.13. provide to the Debentureholder a monthly compliance  certificate signed
         by the  Vice-President  of Finance and the President of the Corporation
         stating that the Corporation is not in breach of any covenants with the
         Debentureholder  or with any other creditors,  or if any such covenants
         shall have been  breached,  stating which  covenants have been breached
         and, if  applicable,  to which  creditors such covenants were provided,
         for how long  such  breach  has  existed  and for how  long  management
         expects it to continue;

 8.1.14. ensure that  management  of the Guarantor  prepares an annual  business
         plan and budget and presents  such annual  business  plan and budget at
         least 45 days  prior to the end of each  fiscal  year,  to the board of
         directors  of the  Guarantor  for  approval;  and will also ensure that
         management  of the  Guarantor  prepares  and  presents  to the board of
         directors  of the  Guarantor  for  approval  a report  of any  material
         variances from the approved annual business plan and budget  throughout
         the course of the year;

 8.1.15. provide to the Debentureholder the Guarantor's approved annual business
         plan and budget for the next  fiscal year at least 30 days prior to the
         commencement of such next fiscal year;

 8.1.16. not, except as  specifically  provided for in Section 5.2.2 and Article
         7,  create  or permit to exist any  security  interest  in the  Charged
         Property  which ranks or may rank in priority to or pari passu with the
         security interests created by the Security Agreement;

 8.1.17. not,  without the prior written  consent of the  Debentureholder,  make
         loans  to or  investments  in any  Person  other  than  a  wholly-owned
         subsidiary of the Corporation;

 8.1.18. maintain  or cause to be  maintained  a life  insurance  policy  in the
         minimum  amount  of  US$500,000  on the life of the  Principal  in form
         satisfactory to the Debentureholder,  and the Corporation shall assign,
         or cause to be assigned,  to the  Debentureholder all interests in such
         policy as security for the Corporation's  obligations hereunder and the
         Guarantor's  obligations  under the Pledge  Agreement.  The Corporation
         will also, at the request of the  Debentureholder and if available at a
         reasonable  cost from the insurer  which  issued the policy,  obtain or
         cause to be obtained  from such insurer a "Breach of  Warranty"  clause
         which shall form part of such policy,  whereby such insurer agrees that
         a breach of the insuring conditions by the Corporation,  the Guarantor,
         the life  insured or any other  Person  shall not give such insurer the
         right to refuse any payment under such policy;

 8.1.19. obtain and keep, in form  satisfactory  to the  Debentureholder  acting
         reasonably,  fire, extended coverage and boiler and machinery insurance
         on the Corporation's  property and assets to their full insurable value
         with insurers  approved by the  Debentureholder,  which insurance shall
         include a standard mortgage clause in favour of the  Debentureholder as
         its interest may appear in the form approved by the Insurance Bureau of
         Canada  and  shall not  include a  co-insurance  clause  requiring  the
         Corporation  to bear more than 10% of any loss.  The  Corporation  will
         also pay all premiums  necessary to maintain such insurance as the same
         shall become due.  All  policies of insurance  issued in respect of the
         Charged  Property  and all  proceeds  thereof  shall be assigned to the
         Debentureholder   as  security   for  the   Corporation's   obligations
         hereunder.  Each policy of insurance shall show the  Debentureholder as
         an  additional   insured,  as  its  interest  may  appear  and,  at  me
         Debentureholder's  request,  shall  be  delivered  to and  held  by the
         Debentureholder. The Corporation will also provide evidence of business
         interruption  and public  liability  insurance on terms and  conditions
         satisfactory to the Debentureholder, acting reasonably;

 8.1.20. forthwith  on the  happening  of any  loss or  damage,  furnish  at its
         expense all necessary  proofs and do all  necessary  acts to enable the
         Debentureholder  to obtain  payment out of the  insurance  monies under
         Section 8.1.19;

 8.1.21. notify  the  Debentureholder  within  24  hours of any  changes  in the
         insurance coverage provided above,  including any change in the insurer
         providing the coverage;

 8.1.22. give the Debentureholder  prompt written notice of any material adverse
         change  in  the  condition,  financial  or  otherwise,  of  its  or the
         Guarantor's business;

 8.1.23. give the Debentureholder  prompt written notice of the occurrence of an
         Event of Default,  or of an event or circumstance that, with the giving
         of  notice  or  lapse  of time or both,  would  constitute  an Event of
         Default;

 8.1.24. notify the  Debentureholder  promptly  of the  details of any  material
         claims or litigation affecting the Corporation,  the Guarantor,  or the
         Charged Property;

 8.1.25. notify the Debentureholder within 24 hours of any substantial change in
         the amount or terms of the Corporation's bank operating line of credit;

 8.1.26. not,  without the prior written consent of the  Debentureholder  (which
         consent shall not be unreasonably withheld or delayed), amend or permit
         to be  amended  any  Material  Contract  in a  manner  that  may have a
         material adverse effect upon the  Corporation's  ability to perform its
         obligations hereunder;

 8.1.27. at any time it is in arrears of payment of principal  of,  interest on,
         or any  other  amounts  due  under  this  Debenture,  refrain  from (i)
         declaring or paying any dividends on any shares of the  Corporation and
         (ii) calling for redemption or purchase for  cancellation or making any
         capital distribution with respect to any shares of the Corporation;

 8.1.28. not,  without  the  approval of the  Debentureholder,  permit any sale,
         transfer,  or pledge  of, or permit to exist any  encumbrance  on,  any
         shares in the capital of the Corporation;

 8.1.29. not declare  dividends  if, after giving effect to the  declaration  or
         payment of such  dividends,  it would be in default of any  obligations
         owing to the Debentureholder;

 8.1.30. on default in the  observance of any of the  covenants  and  conditions
         contained  in this  Debenture  and  subject to any rights of Persons to
         whom any Senior Indebtedness is due, deliver up quiet possession of the
         Charged Property to the Debentureholder;

 8.1.31. pay,  or  reimburse  the  Debentureholder  for  payments  made by it on
         account of, all reasonable legal fees and disbursements incurred by the
         Debentureholder  in connection with this Debenture or the  transactions
         related hereto;

 8.1.32. conduct and maintain its business,  operations and the Charged Property
         so as to comply in all respects with all applicable Environmental Laws,
         including  obtaining  all  necessary  licenses,  permits,  consents and
         approvals  required  to own or operate  the  Charged  Property  and the
         business carried on with the Charged Property;

 8.1.33. not,  except  as  specifically  permitted  by  the  Debentureholder  in
         writing,  permit  Contaminants  or dangerous or  potentially  dangerous
         conditions in, on or below the Charged Property or the premises used in
         connection with the Charged Property including, without limitation, any
         polychlorinated biphenyls, radio-active substances, underground storage
         tanks, asbestos or urea formaldehyde foam insulation;

 8.1.34. notify the  Debentureholder  promptly  and in  reasonable  detail  upon
         receipt of any notice,  claim,  communication or information  regarding
         any past, present, planned or threatened treatment,  storage, disposal,
         presence, release or spill of any Contaminant at, on, under or from the
         Charged  Property  or  any  property  in the  vicinity  of or  used  in
         connection with the Charged  Property  including any notice pursuant to
         any Environmental Laws or any environmental  report or audit, or if the
         Corporation  becomes aware of any  violation or potential  violation by
         the Corporation of any  Environmental  Laws, and shall describe therein
         the action which the  Corporation  intends to take with respect to such
         matter;

 8.1.35. establish  and  maintain  a system  to  assure  and  monitor  continued
         compliance  with, and to prevent the  contravention  of,  Environmental
         Laws,  which system shall include  periodic reviews of such compliance;
         and

 8.1.36. indemnify  and  save  harmless  the   Debentureholder,   its  officers,
         directors,  employed  agents  and  shareholders  from and  against  all
         losses,  damages or costs suffered by the Debentureholder  arising from
         or relating to any breach by the Corporation of the covenants contained
         in  Sections  8.1.32,  8.1.33,  8.1.34 and 8.1.35 and any breach by the
         Corporation or any other Person now or hereafter  having an interest in
         the  Charged   Property  which  is  asserted  or  claimed  against  the
         Debentureholder.  This  indemnity  shall survive the payment in full of
         all amounts outstanding  hereunder and the discharge of this Debenture.
         The  Debentureholder  shall hold the benefit of this indemnity in trust
         for those indemnified Persons who are not parties to this Debenture.


8.2.     Representations and Warranties

         The  Corporation  hereby  represents  and  warrants  with  and  to  the
Debentureholder that:

 8.2.1.  the Corporation has good and marketable title to the Charged  Property,
         free of all  encumbrances  save  those  for  which  public  filings  or
         registrations  have  been  made  under  the Bank Act  (Canada)  and the
         Personal Property Security Act (Ontario);

 8.2.2.  the  Corporation  is a  duly  incorporated,  organized  and  subsisting
         Taxable Canadian Corporation, and has all requisite powers, capacities,
         licences and permissions under its governing  legislation and the other
         laws applicable to it, and under its articles of incorporation, by-laws
         and governing  resolutions  to (i) own the Charged  Property  which the
         Corporation has represented to the  Debentureholder as belonging to the
         Corporation,  (ii) carry on all businesses in which the  Corporation is
         engaged,  (iii) enter into,  exercise its rights and perform and comply
         with its obligations  under this Debenture and the Security  Agreement,
         and all  actions,  conditions  and  things  have  been  done,  taken or
         fulfilled with respect thereto,  that are required by law,  contract or
         otherwise;

 8.2.3.  the  Corporation  has the right and  capacity  to create  the  security
         interest created by the Security  Agreement upon the Charged  Property,
         and all requisite steps  necessary to create the security  interest and
         to approve the Security Agreement and this Debenture have been taken;

 8.2.4.  this Debenture and the Security  Agreement  constitute valid, legal and
         binding obligations of the Corporation;

 8.2.5.  the agreements  referred to under the definition  "Material  Contracts"
         are all the  agreements  which  could  be  considered  material  to the
         operations,  financial or otherwise,  of the Corporation and all of the
         Material  Contracts are in full force and effect on the date hereof and
         constitute valid,  legal and binding  obligations of the Corporation or
         the Guarantor,  as the case may be, in accordance with their terms, and
         none of the  Material  Contracts  have been  amended  since the date of
         their execution and delivery;

 8.2.6.  all of the issued and outstanding  common shares of the Corporation are
         validly issued and outstanding as fully paid and non-assessable  common
         shares in the capital of the Corporation,  free and clear of all liens,
         charges.  encumbrances and adverse claims except for security interests
         created   therein   in  favour  of  the  Bank  of   Montreal   and  the
         Debentureholder;

 8.2.7.  the Corporation has no subsidiaries;

 8.2.8.  except  for that of which the  Debentureholder  has been made  aware in
         writing,  the  Corporation  is not  party  to any  unanimous  or  other
         shareholders  agreement  which  limits  the  powers  of  the  board  of
         directors to direct the management of the affairs of the Corporation;

 8.2.9.  there are no  agreements,  options,  warrants,  rights of conversion or
         other  rights  pursuant  to which me  Corporation  is,  or may  become,
         obligated  to  issue  any  shares  or  any  securities  convertible  or
         exchangeable,   directly  or   indirectly,   into  any  shares  of  the
         Corporation;

 8.2.10. the financial  statements referred to in Section 2.2.8 hereof have been
         prepared in accordance with GAAP and fairly,  completely and accurately
         present the financial  position of the  Guarantor and its  subsidiaries
         and the results of its and their  operations as of the date and for the
         period indicated and there have been no material adverse changes in the
         financial  position of the Guarantor and any of its  subsidiaries  from
         that reflected in such statements;

 8.2.11. the  Corporation  does not have any material  outstanding  liabilities,
         contingent or otherwise, and the Corporation is not a party to or bound
         in any agreement of guarantee, support, indemnification, assumption, or
         endorsement  of, or any other  similar  commitment  with respect to the
         obligations,  liabilities  (contingent or otherwise) or indebtedness of
         any Person other man those set out in the financial statements referred
         to in Section 2.2.8;

 8.2.12. except as set out in the  financial  statements  referred to in Section
         2.2.8,  and  except for the  principal  amount  outstanding  under this
         Debenture,  the  Corporation  does  not  have  outstanding  any  bonds,
         debentures,  notes,  mortgages or other  indebtedness which mature more
         than one year after the date of their original creation or issuance and
         the   Corporation  has  not  agreed  to  create  or  issue  any  bonds,
         debentures,  notes,  mortgages or other  indebtedness which will mature
         more than one year after the date of their creation or issuance;

 8.2.13. the  Corporation  is  conducting  its business in  compliance  with all
         applicable   laws,   regulations,   by-laws  and   ordinances  of  each
         jurisdiction in which it conducts its business;

 8.2.14. the Corporation holds all permits,  licences,  approvals and franchises
         (collectively, "permits") which it requires, or is required to have, to
         own its properties and assets and to carry on its business as presently
         conducted  by it. All such  permits are in full force and  effect;  the
         Corporation is in compliance with all the terms and conditions relating
         to such permits;  and there are no proceedings in progress,  pending or
         threatened which may result in revocation, cancellation,  suspension or
         any adverse modification of any such permits;

 8.2.15. there is no court,  administrative,  regulatory  or similar  proceeding
         (whether  civil,  quasi-criminal  or  criminal);  arbitration  or other
         dispute   settlement   procedure;   investigation  or  inquiry  by  any
         governmental,  administrative,  regulatory  or  similar  body;  or  any
         similar matter or proceeding  (collectively  "proceedings")  against or
         involving the Corporation (whether in progress or threatened) which, if
         determined  adversely to the  Corporation  would  materially  adversely
         affect the business or the financial  condition or future  prospects of
         the  Corporation,  no event has  occurred  which might give rise to any
         proceedings and there is no judgment, decree,  injunction,  rule, award
         or  order  of any  court,  government  department,  board,  commission,
         agency, arbitrator or similar body outstanding against the Corporation;

 8.2.16. neither the entering into of this  Debenture or the Security  Agreement
         nor the performance by the  Corporation of its  obligations  thereunder
         will  contravene,  breach or result in any default  under the articles,
         by-laws,  constating documents or other organizational documents of the
         Corporation  or under any  mortgage,  lease,  agreement,  other legally
         binding  instrument,   licence,  permit,  statute,  regulation,  order,
         judgment,  decree  or law to  which it is a party or by which it may be
         bound;

 8.2.17. no  authorization,  consent,  approval of, or filing with or notice to,
         any  governmental  agency,  regulatory  body,  court or other Person is
         required in connection  with the execution,  delivery or performance of
         this Debenture or the Security Agreement by the Corporation;

 8.2.18. the  Corporation is not in material  default or breach of any contract,
         agreement,  lease or  instrument  to which it is a party or by which it
         may be bound and there exist no state of facts  which  after  notice or
         lapse of time, or both would  constitute such a default or breach,  and
         all such contracts, agreements, leases and other instruments are now in
         good standing and the  Corporation is entitled to all benefits,  rights
         and privileges thereunder;

 8.2.19. the  corporate  records  and minute  books of the  Corporation  contain
         complete  and  accurate  minutes  of  all  meetings  of  directors  and
         committees   thereof   and   shareholders   held   since  its  date  of
         incorporation,  and all such  meetings  were duly called and held.  The
         share  certificate  books,   register  of  shareholders,   register  of
         transfers  and registers of directors of the  Corporation  are complete
         and accurate;

 8.2.20. no act or event has  occurred  that would  constitute  or is capable of
         becoming,  whether by notice or the lapse of time or both,  an Event of
         Default under this Debenture;

 8.2.21. the Corporation  has no knowledge of the existence of any  Contaminants
         or dangerous or  potentially  dangerous  conditions at, on or under the
         Charged  Property  or any  properties  in the  vicinity  of or  used in
         connection  with the Charged  Property  which could  affect the Charged
         Property or the market value thereof;

 8.2.22. the  Corporation  has not  given  or  received,  nor  does it have  any
         obligation to give,  any notice,  claim,  communication  or information
         regarding any past, present, planned or threatened treatment,  storage,
         disposal,  presence,  release or spill of any Contaminant at, on, under
         or from the Charged Property or any property in the vicinity of or used
         in connection with the Charged Property,  including any notice pursuant
         to any Environmental Laws or any environmental report or audit;

 8.2.23. the  Corporation  pays 50 per cent or more of its wages and salaries to
         employees   whose   ordinary   place  of   employment  is  a  permanent
         establishment of the Corporation located in the Province of Ontario;

 8.2.24. me  Corporation  has 50 per  cent or more  of its  full-time  employees
         employed in respect of its business in the Province of Ontario;

 8.2.25. the total assets of the Group do not exceed $50,000,000;

 8.2.26. the Group does not have more than 500 employees; and

 8.2.27. the  Corporation  is not aware of any material  facts or  circumstances
         which have not been  disclosed to the  Debentureholder  in writing that
         may have a material adverse impact on the Corporation.


                                   ARTICLE 9.

                                     DEFAULT


9.1.     Events of Default

         The remaining  principal  amount of and any other amounts payable under
this Debenture,  and any accrued but unpaid interest thereon,  shall immediately
become  due and  payable  in each and every of the events  following  (each,  an
"Event of Default"):

 9.1.1.  if the  Corporation  defaults in any payment of  principal  or interest
         under this  Debenture  when the same becomes due and payable  under any
         provision hereof;

 9.1.2.  if the  Corporation  defaults in the  payment of any other  amounts due
         under this  Debenture  and any such default  continues  for a period of
         seven (7) days following notice thereof;

 9.1.3.  if any  representation  or  warranty  or  other  statement  made by the
         Corporation  to the  Debentureholder  in  this  or any  other  document
         delivered by the Corporation to the Debentureholder or its agents on or
         prior to the date hereof is false or misleading in any material respect
         as of the date on which it was made;

 9.1.4.  if an order shall be made or an effective  resolution be passed for the
         winding-up or liquidation of the Corporation;

 9.1.5.  if the  Corporation  ceases  or  threatens  to  cease  to  carry on its
         business, or, except in a manner specifically  permitted hereunder,  if
         the  Corporation  makes or agrees  to make a bulk  sale of the  Charged
         Property;

 9.1.6.  if the Corporation  becomes  insolvent or takes any voluntary action in
         respect of a  liquidation  or  winding-up,  including  the making of an
         assignment  for the  benefit of its  creditors,  or makes any  proposal
         under the Bankruptcy and Insolvency Act (Canada) or any  legislation in
         supplement or replacement  thereof or any legislation of similar effect
         of any applicable jurisdiction,  or if a bankruptcy or similar petition
         is filed or presented  against the  Corporation and is not contested in
         good faith or is not withdrawn or stayed within 60 days thereof,  or if
         a judgment or order is entered by any court of  competent  jurisdiction
         ordering a  reorganization,  arrangement or composition of any debts or
         obligations  of the  Corporation,  or if a  receiver  or  receiver  and
         manager or any other official with similar powers is appointed by court
         order or other vise for the Corporation of all or a substantial portion
         of its properties or assets;

 9.1.7.  if an  encumbrancer  shall take possession of the property or assets of
         the  Corporation  or any  substantial  part thereof or if a distress or
         execution or any similar process be levied or enforced thereagainst and
         remains  unsatisfied  for such period as would permit such  property or
         assets or such part thereof to be sold thereunder;

 9.1.8.  if the  Corporation  shall  make  default  beyond  any  period of grace
         provided with respect thereto in the payment of the principal, interest
         or premium of any other indebtedness for borrowed money in an aggregate
         amount in excess of $50,000 or in the  performance or observance of any
         term,  agreement or condition in respect of such  indebtedness  and the
         effect  of such  default  is to cause  such  indebtedness  in excess of
         $50,000 to become due, prior to the date of its stated  maturity unless
         and for so long as such  default is waived or unless such  acceleration
         is rescinded or such default is remedied or cured;

 9.1.9.  if the Total Debt to Equity ratio  (excluding  for the purposes of such
         calculation  the  effects of the  issuance  of this  Debenture)  of the
         Guarantor at any time exceeds 4.0: 1 ;

 9.1.10. if the Interest  Coverage  Ratio of the  Guarantor at any time prior to
         January 30, 1996 is less than 2.0:1 and at any time  thereafter is less
         than 2.5:1;

 9.1.11. if the Working  Capital and the Working  Capital Ratio of the Guarantor
         at any time prior to June 30,  1996 are less than US$ I ,000,000  and I
         .5: 1.  respectively,  and  thereafter are less than US$ I ,500,000 and
         1.75: 1, respectively;

 9.1.12. if the  Corporation  shall  neglect  to carry out or shall  breach  its
         covenants in subsections 8.1.1, 8.1.3,  8.1.4,  8.1.8,  8.1.9,  8.1.27,
         8.1.28, 8.1.29 or 11.3;

 9.1.13. if the Pledge  Agreement  shall cease to create a valid and enforceable
         perfected security interest under the laws of the Province of Ontario;

 9.1.14. if any covenant or agreement  contained in the Pledge  Agreement or the
         Option Agreement shall not be performed when due or any  representation
         and warranty contained therein shall prove to be false;

 9.1.15. if the  Corporation  shall  neglect to carry out or  observe  any other
         covenant,  agreement or condition  contained  herein to be observed and
         performed  by it and the  Corporation  shall  fail to  make  good  such
         default within a period of seven (7) days from notice having been given
         thereof; or

 9.1.16. if the  Debentureholder  in good faith  believes  and has  commercially
         reasonable   grounds  to  believe  that  the  prospect  of  payment  or
         performance of the Corporation's  obligations  hereunder is or is about
         to be materially  impaired or that the Charged  Property is or is about
         to be placed in jeopardy.


9.2.     Recourses on Default

 9.2.1.  Upon the occurrence of an Event of Default, the Debentureholder may:

 9.2.1.1. declare all amounts owing hereunder to be immediately due and payable;

 9.2.1.2.realize  upon all or any part of the  security  created by the Security
         Agreement,  the Pledge  Agreement or by any other  security  instrument
         delivered in connection with this Debenture; and

 9.2.1.3.take all actions and commence all such  proceedings as may be permitted
         at  law or in  equity  (whether  or not  provided  for  herein,  in the
         Security  Agreement  or in the Pledge  Agreement)  at such times and in
         such manner as the  Debentureholder in its sole discretion may consider
         expedient, all without additional notice, presentment, demand, protest,
         notice of protest,  dishonour or other action.  The rights and remedies
         of the Debentureholder  hereunder are cumulative and are in addition to
         and not in  substitution  for any other rights or remedies  provided by
         law, by the Security  Agreement,  the Pledge  Agreement or by any other
         security instrument delivered in connection with this Debenture.

 9.2.2.  The procedures for the exercise of any recourses  available and for the
         application  of proceeds  received on any such exercise shall be as set
         forth in the Security Agreement and the Pledge Agreement.


                                   ARTICLE 10.

                               REGISTRATION. ETC.


10.1.    Debenture Register

         A register (the  "Register")  shall be kept by the  Corporation  at its
principal  office as specified in Section 4.1 and at any office or other offices
as may be required by law, in which shall be entered the name and address of the
Debentureholder and the particulars of this Debenture. The Register shall at all
reasonable times be open for inspection by the Debentureholder.


10.2.    Exclusive Benefit

         The  Debentureholder  will be regarded as  exclusively  entitled to the
benefit of this Debenture and all Persons may act accordingly.  Payment of or on
account of the principal of, interest on, and any other amounts owing under this
Debenture   will  be  made  only  to  or  upon  the  order  in  writing  of  the
Debentureholder and any such payment will be a good and sufficient  discharge to
the Corporation  for the amounts so paid. The Corporation  shall not be bound to
enter in the  Register  notice of any trust or,  except as ordered by a court of
competent jurisdiction,  to recognize any trust or equity affecting the title to
this Debenture or the monies secured hereby.


10.3.    Transfer of Debenture

         The  obligations  of the  Corporation  under this  Debenture may not be
transferred  except with the prior written consent of the  Debentureholder.  Any
transfer of this Debenture or any part of it by the Debentureholder  shall be in
writing and made by the  Debentureholder  or its attorney duly  authorized by an
instrument  in  writing.  Any  such  transfer  by the  Debentureholder  must  be
accompanied  by this  Debenture  and  delivered to the  principal  office of the
Corporation  as  specified in Section 4.1 and be in  compliance  with such other
reasonable  requirements as the  Corporation may prescribe.  Any transfer by the
Debentureholder  completed pursuant to the provisions hereof, will be registered
and duly  noted by  endorsement  hereon  signed by the  Secretary  or  Assistant
Secretary of the Corporation and the transferee w ill be entered as the owner of
this  Debenture on the Register  kept  pursuant to Section  10.1,  free from all
equities or rights of set-off or  counterclaim  between the  Corporation and the
transferor or any previous Debentureholder, save in respect of equities of which
the  Corporation is required to take notice by statute or by order of a court of
competent jurisdiction.


                                   ARTICLE II.

                                  MISCELLANEOUS


11.1.    Right of Set-Off

         The principal  and other monies and interest  owing  hereunder  will be
paid without regard to any equities  between the Corporation and the original or
any intermediary  Debentureholder  or any right of set-off or counterclaim,  and
the  receipt of the  Debentureholder  for the payment of such monies or interest
will be a good discharge to the Corporation for the amounts due hereunder.


11.2.    Notices

 11.2.1. Subject to Section  11.2.3,  any  notice to the  Corporation  under the
         provisions of this Debenture  shall be in writing and shall be given by
         prepaid  first class mail,  by facsimile  or other means of  electronic
         communication  or by  delivering  the  same to the  Corporation  at 347
         Consortium  Court,  London,  Ontario N6E 2S8,  telecopier  number (519)
         668-8437;  with a copy to the Guarantor at I Deerpark  Drive,  Suite F,
         South  Brunswick,  NJ, 08852,  telecopier  number (908)  329-9069.  Any
         notice to the Debentureholder shall be in writing and shall be given by
         prepaid  first class mail,  by facsimile  or other means of  electronic
         communication  or by delivering the same to the  registered  address of
         the Debentureholder.

 11.2.2. Any  notice  if  sent  by  facsimile  or  other  means  of   electronic
         communication shall be deemed to have been received on the Business Day
         of  sending,  or if  delivered  by hand  shall be  deemed  to have been
         received at the time it is delivered to the  applicable  address  noted
         above to an individual  at such address  having  apparent  authority to
         accept  deliveries on behalf of the addressee,  or if mailed by prepaid
         first-class mail at any time other than during or within three Business
         Days prior to a general discontinuance of postal service due to strike,
         lockout  or  otherwise,  shall be deemed to have been  received  on the
         fourth Business Day after the postmarked date thereof

 11.2.3. In the  event of a general  discontinuance  of  postal  service  due to
         strike, lock-out or otherwise, notices or other communications shall be
         delivered  by hand or sent by  facsimile  or other means of  electronic
         communication  and shall be deemed to have been  received in accordance
         with Section 11.2.2.


11.3.    Successor Corporations

         The Corporation  will not,  directly or indirectly,  sell,  transfer or
otherwise  dispose of all or substantially  all of its property and assets as an
entirety to any other  corporation and will not amalgamate or merge with or into
any other  corporation (any such other corporation being herein referred to as a
"successor corporation") unless:

 11.3.1. the successor  corporation executes prior to or contemporaneously  with
         the  consummation  of any such  transaction,  such  instruments  as are
         satisfactory  to the  Debentureholder  and in the opinion of counsel to
         the  Debentureholder  as are  necessary  or  advisable  to evidence the
         assumption by the successor corporation of the due and punctual payment
         of the principal,  interest and all other monies payable  hereunder and
         the  covenant  of the  successor  corporation  to  pay  the  same,  the
         continuance  of  the  security   interests   created  by  the  Security
         Agreement,  and its  agreement to observe and perform all the covenants
         and obligations of the Corporation under this Debenture;

 11.3.2. the transaction,  to the satisfaction of the  Debentureholder,  is upon
         such  terms as  substantially  preserve  and do not  impair  any of the
         rights  and  powers  of the  Debentureholder  hereunder  or  under  the
         Security  Agreement and upon such terms as are not  prejudicial  to the
         interests of the Debentureholder; and

 11.3.3. no condition or event will exist as to the Corporation or the successor
         corporation either at the time of or immediately after the consummation
         of any such  transaction  and  after  giving  full  effect  thereto  or
         immediately  after  the  successor   corporation   complying  with  the
         provisions  of  Section   11.3.1  above  which   constitutes  or  would
         constitute an Event of Default.


11.4.    Governing Law

         This Debenture shall be governed by the laws of the Province of Ontario
and the laws of Canada applicable therein.


11.5.    Time of the Essence

         Time shall be of the essence hereof.


11.6.    Binding Effect

         The terms and provisions of this  Debenture  shall enure to the benefit
of and be binding upon the Debentureholder and its successors and assigns to the
extent  provided  herein,  and shall enure to the benefit of and be binding upon
the Corporation and its permitted assigns.

         IN WITNESS  WHEREOF the  Corporation  has executed this Debenture as of
the date first written above.

                                   PHOTON TECHNOLOGY
                                   INTERNATIONAL (CANADA) INC.

                                   By: /s/Charles Marianik
                                       ---------------------------
                                       Charles Marianik, President
<PAGE>
                                   Schedule A

                           Principal Payment Schedule
<TABLE>
<CAPTION>
                                                                         Additional
Pmt. #                 Pmt. Date       Payment         Prepayment        Advance          Balance
- ------                 ---------       -------         ----------        ----------       -------
                                       [initial]       [initial]
- ---------------------------------------------------------------------------------------------------
<S>                  <C>                <C>             <C>              <C>             <C>
opening balance                                                                          $1,500,000
- ---------------------------------------------------------------------------------------------------
                     Nov. 30, 1996      $6,250
- ---------------------------------------------------------------------------------------------------
2                    Dec. 31, 1996      $6,250
- ---------------------------------------------------------------------------------------------------
3                    Jan. 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
4                    Feb. 28, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
5                    Mar. 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
6                    Apr. 30, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
7                    May 31, 1997       $6,250
- ---------------------------------------------------------------------------------------------------
8                    Jun. 30, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
9                    July 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
10                   Aug. 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
11                   Sept. 30, 1997     $6,250
- ---------------------------------------------------------------------------------------------------
12                   Oct. 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
13                   Nov. 30, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
14                   Dec. 31, 1997      $6,250
- ---------------------------------------------------------------------------------------------------
15                   Jan. 31, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
16                   Feb. 28, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
17                   Mar. 31, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
18                   Apr. 30, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
19                   May 31, 1998       $6,250
- ---------------------------------------------------------------------------------------------------
20                   Jun. 30, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
21                   July 31, 1998      $6,250
- ---------------------------------------------------------------------------------------------------
<PAGE>
<CAPTION>
                                                                         Additional
Pmt. #                 Pmt. Date       Payment         Prepayment        Advance          Balance
- ------                 ---------       -------         ----------        ----------       -------
                                       [initial]       [initial]
- ---------------------------------------------------------------------------------------------------
<S>                  <C>                <C>             <C>              <C>             <C>
46                   Aug. 31, 2000      $6,250

47                   Sept. 30, 2000     $6,250

48                   Oct. 31, 2000      [remaining                                       $        0
                                        balance]                                         ==========
</TABLE>
<PAGE>
                                   Schedule B

                            Program - Use of Proceeds

<TABLE>
<CAPTION>
<S>                                                     <C>
             o Fees, including legal fees               $   86,500
             o Working capital                             510,000
             o Distribution and product launches           903,500
                                                        ----------
                                                        $1,500,000
</TABLE>
<PAGE>
                                   Schedule C

                               Material Contracts



1. Unanimous Shareholders  Agreement made as of the 28th day of September,  1987
   between Photon Technology International, Inc., Michael Beattie and PTI Lasers
   Inc.;

2. Bank of Montreal  commitment  letter dated  February 8, 1995;  together  with
   First Bank Lending Agreement dated April 13, 1995;

3. Ontario  Development  Corporation  offer  of loan  dated  February  3,  1994;
   together with loan agreement dated March 16, 1994;

4. MLTV Agreement dated September 20, 1995 relating to repayment of indebtedness
   and purchase of technology rights;

5. Lease of London  Ontario  premises  dated  January  6,  1988;  together  with
   amending agreement dated August 14, 1992.

                                OPTION AGREEMENT


             THIS AGREEMENT made as of the 31st day of October, 1995

B E T W E E N:


                  PHOTON   TECHNOLOGY   INTERNATIONAL,   INC.,   a   corporation
                  incorporated under the laws of the State of New Jersey

                  (the "Corporation")


                  -and-

                  C.I.  - C.P.A.  BUSINESS  VENTURES  FUND INC.,  a  corporation
                  incorporated under the laws of Canada

                  (the "Optionee")


RECITES THAT:


A.       The Corporation has agreed to grant to the Optionee  certain options to
         acquire  common shares of the  Corporation  on the terms and subject to
         the conditions of this agreement.

                  NOW THEREFORE in consideration of the sum of $1.00 now paid by
the Optionee to the Corporation and other good and valuable  consideration,  the
receipt and sufficiency of which are hereby acknowledged by the Corporation, the
parties hereto agree as follows:


                                   ARTICLE 1.
                                 INTERPRETATION

1.1.     Definitions

                  In this agreement:

         "Adjustment Period" means the period from and including the date hereof
         to and including October 31, 1997;

         "Business Day" means any day,  other than a Saturday,  a Sunday and any
         other day on which Canadian  chartered banks in Toronto are required to
         be or may be closed for business;

         "Common  Shares"  means  the  common  shares  in  the  capital  of  the
         Corporation  as such shares exist at the date hereof,  provided that in
         the event of any adjustment of Subscription  Rights pursuant to Article
         3. "Common Shares" shall thereafter mean the shares or other securities
         or property which resulted from the event which caused such adjustment;

         "Current  Market  Price of the  Common  Shares"  at any date  means the
         simple  average of the closing prices (or if there were no sales on any
         particular  day, the mean between the closing bid and ask quotations on
         such day) per Common Share on the principal trading market therefor for
         any 20 consecutive trading days selected by the Corporation  commencing
         not later than 45 trading  days  before  such date,  or, if such Common
         Shares are not traded on a published  market  during such 45 day period
         for at least 20 consecutive  trading days, a price to be established in
         good faith by the board of directors of the Corporation;

         "Debenture"  means the  Debenture  issued on the date  hereof by Photon
         Canada to the Optionee evidencing an indebtedness owed by Photon Canada
         to the Optionee;

         "Dividend  Paid in the Ordinary  Course"  means a dividend  paid on the
         Common Shares in any financial year of the  Corporation  whether in (i)
         cash; (ii) securities of the Corporation,  including rights, options or
         warrants  (but  excluding  rights,  options or warrants  referred to in
         Section  3.2.3  and  rights,   options  or  warrants   referred  to  in
         parentheses in Section 3.2.4(d));  or (iii) property or other assets of
         the Corporation, in each case to the extent that the amount or value of
         such  dividend  together  with the  amount or value of all  other  such
         dividends  previously  paid during such  financial year does not exceed
         the greater of:

            (a)   125% of the aggregate amount of dividends  declared payable by
                  the  Corporation  on the  Common  Shares  in the  period of 12
                  consecutive months ended immediately prior to the first day of
                  such financial year; and

            (b)   100% of the consolidated net income of the Corporation  before
                  extraordinary items (but after dividends payable on all shares
                  ranking  prior to or on a parity  with the Common  Shares with
                  respect  to the  payment  of  dividends)  for the period of 12
                  consecutive months ended immediately prior to the first day of
                  such   financial   year,   such   consolidated   net   income,
                  extraordinary  items  and  dividends  as shown in the  audited
                  consolidated  financial statements of the Corporation for such
                  period of 12  consecutive  months  or if there are no  audited
                  consolidated financial statements for such period, computed in
                  accordance  with GAAP,  consistent  with those  applied in the
                  preparation of the most recent audited consolidated  financial
                  statements of the Corporation;

         and,  for the purpose of the  foregoing  (i) where any dividend is paid
         otherwise  than in cash,  any  securities,  property or other assets so
         distributed by way of dividend shall be valued at the fair market value
         of such  securities,  property or other assets,  as the case may be, as
         determined in good faith by the board of directors of the  Corporation,
         and (ii) a dividend  paid on the Common  Shares in Common  Shares shall
         not be a Dividend Paid in the Ordinary  Course where the effect of such
         a dividend is  substantially  the same as a  subdivision  of the Common
         Shares;

         "Exercise  Funds" has the  meaning  attributed  to that term in Section
         2.2.1;

         "Exercise  Notice" has the meaning  attributed  to that term in Section
         2.2.1;

         "First  Option"  has the  meaning  attributed  to that term in  Section
         2.1.1;

         "First Option Expiry Time" means midnight on October 31, 2000;

         "First Option Price" means U.S. $1.25 unless such price shall have been
         adjusted in accordance  with the provisions of Article 3, in which case
         it shall mean the adjusted price then in effect;

         "First Option Shares" means 250,000  Common Shares,  as the same may be
         adjusted from time to time as provided in Article 3;

         "First Year Second  Option  Expiry Time" means  midnight on October 31,
         1996;

         "First Year Second Option Price" means U.S. $2.50;

         "GAAP" means  generally  accepted  accounting  principles in the United
         States of America from time to time;

         "Option" means the First Option and/or the Second  Option,  as the case
         may be;

         "Option  Price"  means the First  Option  Price,  the First Year Second
         Option Price or the Second Year Second  Option  Price,  as the case may
         be;

         "Option  Shares" means the First Option Shares and/or the Second Option
         Shares, as the case may be;

         "Person" means any individual,  partnership, limited partnership, joint
         venture, syndicate, sole proprietorship, company or corporation with or
         without share  capital,  unincorporated  association,  trust,  trustee,
         executor,   administrator  or  other  legal  personal   representative,
         regulatory body or agency, government or governmental agency, authority
         or entity however designated or constituted;

         "Photon Canada" means Photon Technology  International (Canada) Inc., a
         whollyowned subsidiary of the Corporation;

         "record  date" and  "effective  date" mean the  particular  time on the
         relevant date;

         "Rights  Offering"  has the meaning  attributed to that term in Section
         3.2.3;

         "Rights  Period"  has the  meaning  attributed  to that term in Section
         3.2.3;

         "Second  Option"  has the  meaning  attributed  to that term in Section
         2.1.2;

         "Second Option Shares" means 400,000 Common Shares;

         "Second Year Second Option  Expiry Time" means  midnight on October 31,
         1997;

         "Second Year Second Option Price" means U.S. $3.25;

         "securities  convertible into Common Shares" includes  securities which
         are exchangeable into Common Shares, and the terms "conversion  price",
         "converted"  and  "convertible"  include  the terms  "exchange  price",
         "exchanged" and "exchangeable", as the case may be;

         "Share  Issuance"  has the meaning  attributed  to that term in Section
         3.2.1;

         "Special  Distribution"  has the  meaning  attributed  to that  term in
         Section 3.2.4;

         "Subscription Rights" means the relevant Option Price and the number of
         Common Shares issuable upon exercise of an Option;

         "Time of Expiry"  means the First Option  Expiry  Time,  the First Year
         Second Option Expiry Time or the Second Year Second Option Expiry Time,
         as the case may be; and

         "Underlying Share  Reorganization"  has the meaning  attributed to that
         term in Section 3.2.2.


1.2.     Headings and Table of Contents

                  The  inclusion  of  headings  and a table of  contents in this
agreement  are for  convenience  of  reference  only and  shall not  affect  the
construction or interpretation hereof


1.3.     Gender and Number

                  In this  agreement,  unless the  context  otherwise  requires,
words  importing  the  singular  include  the  plural  and vice  versa and words
importing gender include all genders.


1.4.     Currency

                  Unless otherwise  specifically  stated,  all dollar amounts in
this agreement are stated and shall be paid in Canadian currency.


1.5.     Invalidity of Provisions

                  Each of the provisions contained in this agreement is distinct
and severable and a declaration  of invalidity or  unenforceability  of any such
provision by a court of competent  jurisdiction shall not affect the validity or
enforceability of any other provision hereof.


1.6.     Entire Agreement, Waiver. etc.

                  This agreement  constitutes the entire  agreement  between the
parties  hereto  pertaining  to the subject  matter  hereof.  There are no other
agreements  between the parties in  connection  with the subject  matter  hereof
except as specifically set forth or referred to herein. No amendment,  waiver or
termination of this agreement shall be binding unless executed in writing by the
party to be bound thereby.  No waiver of any provision of this  agreement  shall
constitute a waiver of any other provision nor shall any such waiver  constitute
a continuing waiver unless otherwise expressly provided.


1.7.     Governing Law

                  This   agreement   shall  be  governed  by  and  construed  in
accordance  with the laws of the  Province  of  Ontario  and the laws of  Canada
applicable therein.


                                   ARTICLE 2.
                      GRANT OF OPTIONS AND EXERCISE THEREOF

2.1.     Grant of Options

                  Subject to the terms and  conditions  of this  agreement,  the
Corporation grants to the Optionee:


         2.1.1.  an  irrevocable,  transferable  option  (the  "First  Option"),
         exercisable  in whole or in part at any time or from  time to time from
         the date hereof up to and  including  the First Option  Expiry Time, to
         purchase  the First  Option  Shares  at a price per share  equal to the
         First Option Price; and

         2.1.2.  an  irrevocable,  transferable  option (the  "Second  Option"),
         exercisable  in whole or in part at any time or from  time to time from
         the date hereof up to and including the First Year Second Option Expiry
         Time,  to purchase the Second  Option Shares at a price per share equal
         to the First Year Second  Option  Price and then  thereafter  up to and
         including  the Second Year Second  Option  Expiry Time, to purchase any
         remaining Second Option Shares at a price per share equal to the Second
         Year Second Option Price.

2.2.     Exercise of Options


         2.2.1. The Options shall be exercised in the following manner:


         (a)    the Optionee shall deliver to the  Corporation at its registered
                office  a  notice  (the  "Exercise  Notice")  stating  that  the
                Optionee wishes to exercise either the First Option,  the Second
                Option, or both, as the case maybe, in whole or in part (but not
                for  aggregate  Exercise  Funds of less than $100,000 on any one
                exercise except on the exercise of all remaining  Options),  and
                stating  the  number of Common  Shares in  respect  of which the
                Optionee wishes to exercise such Option or Options;

         (b)    the Exercise Notice shall be accompanied by payment by certified
                cheque or bank  draft  payable to the  Corporation  in an amount
                equal to the product  obtained when the relevant Option Price is
                multiplied  by the number of Common  Shares to be  purchased  as
                specified in the Exercise Notice (the "Exercise Funds"); and

         (c)    as soon as  practicable  and, in any event  within two  Business
                Days after  receipt  of the  Exercise  Notice  and the  Exercise
                Funds,  the  Corporation  shall  execute and deliver one or more
                share certificates registered in the name of the Optionee or its
                nominee  representing  the  aggregate  number of  Common  Shares
                specified in the Exercise Notice.


         2.2.2.  If less than all of the First  Option  Shares or Second  Option
         Shares,  as the case may be, are purchased by the Optionee at any time,
         then  this  agreement  shall  continue  and  remain  in force as to the
         balance of the Option Shares.

         2.2.3.  Notwithstanding  anything herein to the contrary,  no rights of
         the Optionee to exercise either Option,  in whole or in part,  shall be
         exercisable by C.l.-C.P.A. Business Ventures Fund Inc.

2.3.     Optionee  as Holder of Record of Common  Shares and  Delivery  of Share
         Certificates


         2.3.1.  Notwithstanding  the actual  date of issue  thereof,  the share
         certificate or certificates representing Common Shares purchased on the
         exercise of an Option at any time shall be deemed to have been  issued,
         and the  Optionee  shall be deemed for all  purposes to have become the
         holder of  record of the  number  of  Common  Shares  specified  in the
         Exercise Notice relating to such exercise of the Option, as of the date
         of receipt by the  Corporation of the Exercise  Notice and the Exercise
         Funds in respect thereof.

         2.3.2.  The  Corporation   shall  not  be  required  to  deliver  share
         certificates while the transfer registers of the Corporation are closed
         prior to any meeting of shareholders or for the payment of dividends or
         for any other purpose. In the event of the exercise of an Option during
         any such period, delivery of the share certificates may be postponed to
         a date not exceeding  five Business Days after the date of reopening of
         the  transfer  registers;  provided  that the period  during  which the
         transfer registers may be closed shall not be unreasonable and provided
         further   that  any  such   postponement   of  the  delivery  of  share
         certificates shall not detract from the provisions of this Section 2.3.

2.4.     No Fractional Shares

                  The  Corporation  shall not issue  fractional  shares upon any
exercise of an Option but in lieu thereof  shall,  in respect of any  fractional
interest  resulting  from the exercise of the Option,  pay a cash  adjustment by
cheque.  The amount of any cash adjustment  shall equal the current market value
of such  fractional  interest  computed  on the basis of the last board lot sale
price (or  average of the bid and ask prices if there was no sale) per share for
the Common Shares on the principal  trading market  therefor (or, if such shares
are not then traded on a published  market,  a price to be  established  in good
faith by the board of  directors  of the  Corporation)  on the Business Day next
preceding the date of exercise of the Option. If a cash adjustment is to be paid
under this Section 2.4, the mailing from the Corporation's  registered office or
the principal office of the registrar of the Common Shares to the Optionee shall
be deemed to be payment of the cash  adjustment  resulting from such  fractional
interest unless the cheque is not paid upon due  presentation.  Cash adjustments
that  are   represented  by  a  cheque  that  has  not  been  presented  to  the
Corporation's  bankers  for payment or that  otherwise  remain  unclaimed  for a
period  of six  years  from the date on which the same  became  payable  will be
forfeited to the Corporation.


2.5.     Payment of Taxes

                  The Corporation  shall pay all expenses,  taxes (except income
tax or security  transfer tax, if any) and other  charges  payable in connection
with the  issuance  of Common  Shares  and the  delivery  of share  certificates
representing the same upon the exercise from time to time of an Option.


                                   ARTICLE 3.
                        ADJUSTMENT OF SUBSCRIPTION RIGHTS

3.1.     Conversion Price

                  Where an  issuance  or  distribution  of  rights,  options  or
warrants to purchase securities convertible into Common Shares or a distribution
of such convertible  securities to which Sections 3.2.3 or 3.2.4 apply, then for
the  purposes of Sections  3.2.3 or 3.2.4,  as the case may be, the  "conversion
price" of the  convertible  security  shall be the  quotient  obtained  when the
aggregate of:


         3.1.1. the consideration, if any, paid for the issuance or distribution
         of the right, option or warrant;

         3.1.2.  the issue price of the convertible  security (or in the case of
         rights, options and warrants, the exercise price thereof); and

         3.1.3.  the price, if any, which must be paid to the Corporation by the
         holder of such convertible  security to exercise the conversion  rights
         attaching thereto; is divided by the number of Common Shares into which
         each such convertible security is convertible,


3.2.     Adjustment of First Option Price


         3.2.1. Common Share Issuance

                If, during the Adjustment  Period, the Corporation issues Common
         Shares  (other  than  pursuant to the  exercise  of rights,  options or
         warrants to acquire Common Shares  outstanding on the date hereof) at a
         price per  share of less than the  greater  of (i) the  Current  Market
         Price of the Common Shares  immediately prior to such issuance and (ii)
         the First Option Price then in effect (such event being called a "Share
         Issuance"),  then the First  Option  Price shall be adjusted  effective
         immediately upon such issuance to a price determined by multiplying the
         First Option Price in effect immediately prior to the Share Issuance by
         a fraction:

         (a)    the  numerator  of which  shall be the  price  per  share of the
                Common Shares issued pursuant to the Share Issuance, and

         (b)    the denominator of which shall be the greater of (i) the Current
                Market Price of the Common Shares immediately prior to the Share
                Issuance and (ii) the First Option Price then in effect,


         provided however that no such adjustment shall be made if the result of
         such  adjustment  would be to increase  the First  Option Price then in
         effect.

         3.2.2. Underlying Share Reorganization

                If, during the Adjustment Period, the Corporation:


         (a)    changes its outstanding  Common Shares into a greater or smaller
                number of Common Shares; or

         (b)    issues Common Shares to the holders of all or substantially  all
                of the  outstanding  Common  Shares by way of a stock  dividend,
                other than a Dividend Paid in the Ordinary Course;

(any of such events being called an "Underlying Share Reorganization"), then the
First Option Price shall be adjusted  immediately  after the effective  date, in
the case of a change  referred to in (a), or  immediately  after the record date
for a stock dividend  referred to in (b), by multiplying  the First Option Price
in effect on such record date or effective date by a fraction:

                (i)  the numerator of which shall be the number of Common Shares
                     outstanding  on such record date or  effective  date before
                     giving effect to the Underlying Share Reorganization; and

                (ii) the  denominator  of which  shall be the  number  of Common
                     Shares  outstanding  after giving effect to the  Underlying
                     Share Reorganization.


         3.2.3. Rights Offering

                If, during the Adjustment Period, the Corporation issues rights,
         options or warrants to the holders of all or  substantially  all of the
         outstanding Common Shares under which such holders are entitled, during
         a period  expiring not more than 45 days after the record date for such
         issue (the "Rights  Period"),  to acquire  Common  Shares or securities
         convertible  into  Common  Shares at a price  per  share  (or  having a
         conversion  price per share) of less than 95% of the greater of (i) the
         Current  Market Price of the Common Shares on such record date and (ii)
         the First  Option Price then in effect (any of such events being called
         a "Rights  Offering"),  then the First  Option  Price shall be adjusted
         effective  immediately  after the end of the  Rights  Period to a price
         determined by multiplying the First Option Price in effect  immediately
         prior to the end of the Rights Period by a fraction:

         (a)    the numerator of which shall be the aggregate of:

                (i)  the number of Common Shares  outstanding on the record date
                     for the Rights Offering, and

                (ii) a number  determined by dividing (I) either (a) the product
                     of the number of Common  Shares  subscribed  for during the
                     Rights  Period  under the Rights  Offering and the price at
                     which such Common Shares were offered,  or, as the case may
                     be,  (b)  the  product  of the  conversion  price  of  such
                     securities  offered and the number of Common  Shares for or
                     into  which the  securities  so  offered  under the  Rights
                     Offering  may be  converted,  by (2) the greater of (i) the
                     Current  Market  Price of the  Common  Shares on the record
                     date for the  Rights  Offering  and (ii) the  First  Option
                     Price then in effect; and

         (b)    the  denominator  of which shall be the number of Common  Shares
                outstanding  after giving effect to the Rights  Offering and for
                this purpose there shall be included,  in determining the number
                of outstanding Common Shares,  Common Shares which, although not
                yet issued,  have been  subscribed  for during the Rights Period
                under the Rights  Offering and in the case of a Rights  Offering
                of convertible  securities,  the Common Shares for or into which
                the securities  issued or, to the extent not issued,  subscribed
                for under the Rights Offering are convertible.

If the Optionee  shall have  exercised all or part of the First Option after the
record date for the Rights Offering but before the end of the Rights Period, the
Optionee shall receive from the Corporation, no later than 60 days after the end
of the Rights Period,  a cash payment equal to the difference,  if any,  between
the First  Option  Price in effect  immediately  prior to the end of the  Rights
Period and the First  Option Price as adjusted  pursuant to this  Section  3.2.3
multiplied by the number of Common Shares  purchased  upon such exercise  during
such period. Such payment shall be made by cheque in Canadian dollars payable to
the Optionee and mailed to the address to which the Common Shares purchased upon
such exercise are to be sent.


         3.2.4. Special Distribution

                If, during the  Adjustment  Period,  the  Corporation  issues or
         distributes to all or substantially all holders of the Common Shares:

         (a)    shares of the Corporation of any class;

         (b)    evidences of indebtedness of the Corporation;

         (c)    any cash, property or other assets of the Corporation; or

         (d)    rights,  options or  warrants  to acquire  any of the  foregoing
                (other than  rights,  options or  warrants  to  purchase  Common
                Shares or securities  convertible  into Common Shares at a price
                per share (or having a  conversion  price per share) equal to or
                greater than 95% of the greater of (i) the Current  Market Price
                of the Common  Shares on the record  date  referred to below and
                (ii) the First Option Price then in effect);

and if such issuance or distribution  does not constitute a Share  Issuance,  an
Underlying Share Reorganization or a Rights Offering, or to the extent that such
issuance or  distribution  does not  constitute a Dividend  Paid in the Ordinary
Course,   (any  such   issuance  or   distribution   being   called  a  "Special
Distribution"),  then  the  First  Option  Price  shall  be  adjusted  effective
immediately  after the record  date on which the  holders  of Common  Shares are
determined for purposes of the Special  Distribution  by  multiplying  the First
Option Price in effect on such record date by a fraction:

         (a)    the numerator of which shall be the result obtained when:

                (i)  the  fair  market  value,  as  determined  by the  board of
                     directors of the Corporation  (whose  determination will be
                     conclusive),  of the  shares,  evidences  of  indebtedness,
                     cash, property or other assets, rights, options or warrants
                     issued or  distributed in the Special  Distribution  (after
                     taking into consideration any payment or payments,  if any,
                     to be  made to the  Corporation  by the  recipients  of the
                     Special Distribution);

                is subtracted from:

                (ii) the product of the number of Common Shares  outstanding  on
                     such record date and the Current Market Price of the Common
                     Shares on such record date; and

         (b)    the  denominator  of which shall be the number of Common  Shares
                outstanding on such record date multiplied by the Current Market
                Price of the Common Shares on such record date;

provided that no such adjustment  shall be made if the result of such adjustment
would be to increase the First Option Price in effect on the record date. To the
extent that such  distribution  is not so made,  the First  Option Price will be
readjusted  effective  immediately  to the First  Option  Price that would be in
effect based upon such  shares,  evidences of  indebtedness,  cash,  property or
other assets, rights, options or warrants actually distributed.


         3.2.5. Readjustment  of First Option  Price Upon Expiry of  Convertible
                Securities and of Rights, Options and Warrant Relating Thereto

                To the extent  that any  adjustment  in the First  Option  Price
         occurs  pursuant  to  Section  3.2.3 as a result  of the  fixing by the
         Corporation  of a record  date  for a Rights  Offering  in  respect  of
         securities convertible into Common Shares, pursuant to Section 3.2.4(a)
         as a result of a Special Distribution of such convertible securities or
         pursuant to Section  3.2.4(d) as a result of a Special  Distribution of
         rights,  options or warrants to purchase such  convertible  securities,
         the First Option Price shall be readjusted:

         (a)    in the case of the  adjustments  contemplated  by Sections 3.2.3
                and  3.2.4(a),  upon the  expiry of the  unexercised  conversion
                right  attaching to the convertible  securities  actually issued
                pursuant to the Rights Offering or the Special Distribution,  as
                the  case  may  be;  and

         (b)    in the case of the adjustment contemplated by Section 3.2.4.(d),
                upon the expiry of:

                (i)  the unexercised rights, options or warrants; and

                (ii) to the extent that such  rights,  options or warrants  have
                     been  exercised and relate to securities  convertible  into
                     Common Shares, the unexercised  conversion rights attaching
                     to such convertible securities;

to the First Option Price which would have resulted from an adjustment  pursuant
to Sections 3.2.3 or 3.2.4,  as the case may be, had such  adjustment been based
upon the number of Common Shares  actually  issued,  or the fair market value of
such securities or rights,  options or warrants, as the case may be, immediately
after such expiry,  and the First Option Price shall be further  readjusted from
time to time in such manner upon the expiry of any such further right.


3.3.     Adjustment of Subscription Rights Upon a Capital Reorganization

                  If,   during   the   Adjustment   Period,   there   occurs   a
reclassification  or  redesignation  of Common  Shares or a change of the Common
Shares  into  other  shares  or  securities  (other  than  an  Underlying  Share
Reorganization),  or a consolidation,  amalgamation or merger of the Corporation
with or into any  other  corporation  or  entity  (other  than a  consolidation,
amalgamation  or merger  which  does not result in any  reclassification  of the
outstanding  Common Shares or a change of the Common Shares into other shares or
securities)  (any of such events being called a "Capital  Reorganization"),  and
the Optionee, after the effective date of such Capital Reorganization, exercises
its right to purchase Common Shares  pursuant to the exercise of an Option,  the
Optionee shall be entitled to receive,  and shall accept,  in lieu of the number
of Common  Shares to which  the  Optionee  was  theretofore  entitled  upon such
exercise,  the kind and amount of shares or other  securities,  property or cash
resulting  from the Capital  Reorganization  which the Optionee  would have been
entitled  to  receive  as a result  of such  Capital  Reorganization  if, on the
effective  date  thereof,  the  Optionee had been the  registered  holder of the
number  of  Common  Shares  to which it was  entitled  upon  such  exercise.  If
determined appropriate by the board of directors of the Corporation, appropriate
modifications shall be made, as a result of any such Capital Reorganization,  to
the  provisions  of this Article 3 such that such  provisions  shall  thereafter
correspond  as nearly as is  reasonably  possible  in  relation to any shares or
other securities,  property or cash thereafter  deliverable upon the exercise of
an Option. Any such modifications shall be made by and set forth in an amendment
hereto.


3.4.     Adjustment of Number of Common Shares Issuable Upon Exercise

         3.4.1. Upon an Adjustment to the First Option Price

                If, during the  Adjustment  Period,  any adjustment in the First
         Option Price occurs  pursuant to Section 3.2 (other than as a result of
         the  application  of Section  3.2.5),  then the number of Common Shares
         issuable  upon  the  exercise  of the  First  Option  will be  adjusted
         concurrently  with  such  adjustment  of  the  First  Option  Price  by
         multiplying  the  number  of Common  Shares  issuable  on the  exercise
         thereof  immediately  prior  to  such  adjustment  by  a  fraction  the
         numerator  of which is the First  Option  Price in  effect  immediately
         prior to such  adjustment  and the  denominator  of which is the  First
         Option Price resulting from such adjustment.

         3.4.2. Upon the Expiry of Conversion Rights of a Convertible Security

                If, during the Adjustment  Period, any readjustment in the First
         Option Price occurs as a result of the  application  of Section  3.2.5,
         then the number of Common  Shares  issuable  upon exercise of the First
         Option will be readjusted  concurrently  with such  readjustment of the
         First Option Price by multiplying  the number of Common Shares issuable
         on the exercise  thereof  immediately  prior to such  readjustment by a
         fraction  the  numerator  of which is the First  Option Price in effect
         immediately  prior to such readjustment and the denominator of which is
         the First Option Price resulting from such readjustment.


3.5.     Readjustment Upon Change in Conversion Rights of a Convertible Security

                  If there has been an adjustment to the Subscription  Rights as
a result  of a  Rights  Offering  or  Special  Distribution  of or  relating  to
securities  convertible  into  Common  Shares,  and  if,  for  any  reason,  the
conversion rights attaching to such a convertible  security change,  and if such
change does not otherwise  result in a readjustment of the  Subscription  Rights
hereunder,  then upon such change becoming  effective,  the Subscription  Rights
shall be readjusted in such manner as the board of directors of the  Corporation
determines is appropriate in the circumstances.


3.6.     Other Adjustment of Subscription Rights

                  If the Corporation  shall take any action affecting the Common
Shares,  other than an action  described  in Sections  3.2 or 3.3,  which in the
opinion  of the board of  directors  of the  Corporation  would  have a material
adverse effect upon the rights of the Optionee, the Subscription Rights shall be
adjusted  in such  manner  and at such  time as the  board of  directors  of the
Corporation  determines  to be  equitable in the  circumstances.  Failure of the
board  of  directors  of the  Corporation  to take  any  such  action  shall  be
conclusive  evidence  that the  board of  directors  has  determined  that it is
equitable to make no adjustment in the circumstances.


3.7.     Special Provision Relating to Adjustment on a Special Distribution

                  If the  Corporation  shall take or proposes to take any action
which constitutes or would constitute a Special Distribution under Section 3.2.4
and if, as a result  thereof,  the  adjustment to the First Option Price that is
required  pursuant to Section 3.2.4 would be inappropriate in the opinion of the
board  of  directors  of the  Corporation  acting  in good  faith,  taking  into
consideration the fair market value of the Special Distribution, the fair market
value of the Common Shares and the Current  Market Price of the Common Shares on
the relevant date, then the adjustment  required by Section 3.2.4 as a result of
the Special  Distribution  shall not be made and, in lieu thereof,  the board of
directors of the Corporation  shall determine the adjustment to the First Option
Price that is appropriate in all the circumstances and such  determination  will
be conclusive.


3.8.     Miscellaneous Adjustment Rules

                  The  following  rules and  procedures  shall be  applicable to
adjustments made pursuant to Article 3:


         3.8.1. Adjustments Successive

                Subject  to the  other  provisions  of  this  Section  3.8,  any
         adjustment  pursuant to  Sections  3.2,  3.3,  3.4 or 3.5 shall be made
         successively  whenever an event  referred to therein  shall occur,  and
         shall be made in respect of all of the First Option then outstanding or
         which may be outstanding thereafter.

         3.8.2. Minimum Adjustment

                No adjustment in the First Option Price shall be required unless
         such  adjustment  would  result  in a  change  of at  least  1% in  the
         prevailing  First Option Price and no  adjustment  shall be made in the
         number of Common Shares  purchasable  upon exercise of the First Option
         unless it would result in a change of at least one  one-hundredth  of a
         share,  provided,  however,  that any adjustments which, if not for the
         provisions of this Section 3.8.2, would otherwise have been required to
         be made,  shall be  carried  forward  and  taken  into  account  in any
         subsequent adjustment.

         3.8.3. Equal Participation

                No  adjustment  in the  Subscription  Rights  shall  be  made in
         respect of any event  described  in Section  3.2 (other  than the event
         referred  to in Section  3.2.2(a)),  if the  Optionee  is  entitled  to
         participate in such event on the same terms,  mutatis  mutandis,  as if
         the  Optionee  had  exercised  the  First  Option  prior  to or on  the
         effective date or record date of such event.

         3.8.4. Disputes

                If a dispute shall at any time arise with respect to adjustments
         or  readjustments  of  Subscription   Rights,  such  dispute  shall  be
         conclusively  determined by the auditors of the  Corporation or if they
         are unable or  unwilling  to act,  by such  other  firm of  independent
         chartered  accountants  as may be selected by the board of directors of
         the Corporation and approved by the Optionee.

         3.8.5. Failure to Fix a Record Date

                In the absence of a resolution  of the board of directors of the
         Corporation  fixing  a  record  date  for a  stock  dividend  or  other
         distribution  comprising an Underlying Share  Reorganization,  a Rights
         Offering or a Special Distribution,  the Corporation shall be deemed to
         have fixed as the  record  date  therefor  the  effective  date of such
         event.

         3.8.6. Termination of Adjustment Provisions

                Notwithstanding anything herein to the contrary, and for greater
         certainty,  the adjustment provisions set forth in this Article 3 shall
         terminate and be of no further effect at midnight on October 31, 1997.

         3.8.7. MLTV Share Issuance

                For greater certainty, the issuance to M.L. Technology Ventures,
         L.P. ("MLTV") of 1,000,000 Common Shares pursuant to an agreement dated
         September 20, 1995 between MLTV and the Corporation shall not give rise
         to the application of the adjustment provisions of this Article 3.


3.9.     Proceedings Prior to any Action Requiring Adjustment

                  As a  condition  precedent  to the taking of any action  which
would require an adjustment or  readjustment  pursuant to Sections 3.2, 3.3, 3.4
or 3.5,  the  Corporation  shall take any action  which may,  in the  opinion of
counsel,  be  necessary  in order that the  Corporation  may validly and legally
issue, as fully paid and non-assessable  shares, all the Common Shares which the
Optionee is entitled to receive on the full exercise  thereof in accordance with
the provisions hereof


3.10.    Notice of  Adjustment of First Option Price and Number of Common Shares
         Purchasable Upon Exercise


         3.10.1. At least 21 days prior to the effective date or record date, as
         the case may be,  of any  event  which  requires  or might  require  an
         adjustment or readjustment to the Subscription  Rights, the Corporation
         shall give notice to the Optionee of the particulars of such event and,
         if determinable, the required adjustment or readjustment.

         3.10.2.  In case  any  adjustment  for  which a notice  referred  to in
         Section 3.10.1 has been given is not then determinable, the Corporation
         shall promptly after such adjustment or  readjustrnent  is determinable
         give notice to the Optionee of the adjustment or readjustment.


                                   ARTICLE 4.
                    REPRESENTATIONS, WARRANTIES AND COVENANTS
                               OF THE CORPORATION

4.1.     Representations and Warranties


                  The  Corporation  represents  and  warrants to the Optionee as
follows:

         4.1.1. the Corporation is incorporated  and is an existing  corporation
         under the laws of the State of New Jersey;

         4.1.2. the authorized capital of the Corporation consists of 500 shares
         of  preferred  stock of which no shares are issued or  outstanding  and
         10,000,000  Common  Shares of which  2,627,200  Common  Shares were, on
         October 24,  1995,  validly  issued and  outstanding  as fully paid and
         non-assessable;

         4.1.3.  the  Corporation  has the corporate power and capacity to enter
         into,  and to perform its  obligations  under,  this agreement and this
         agreement has been duly executed and delivered by the  Corporation  and
         is a valid and binding  obligation of the  Corporation,  enforceable in
         accordance with its terms;

         4.1.4.  the issue of the Option Shares upon the exercise of the Options
         has been authorized by all necessary corporate action and, upon receipt
         of the  consideration  therefor,  the Option  Shares  issuable upon the
         exercise   of  such   Options   shall  be  issued  as  fully  paid  and
         non-assessable shares in the capital of the Corporation;

         4.1.5. neither the entering into of this agreement, nor the performance
         by the Corporation of any of its obligations  under this agreement will
         contravene,  breach  or  result  in any  default  under  the  articles,
         by-laws,  constating documents or other organizational documents of the
         Corporation  or under any  mortgage,  lease,  agreement,  other legally
         binding  instrument,   licence,  permit,  statute,  regulation,  order,
         judgment,  decree  or law to  which it is a party or by which it may be
         bound; and

         4.1.6.  no  authorization,  consent or  approval  of, or filing with or
         notice to, any  governmental  agency,  regulatory  body, court or other
         Person is  required  in  connection  with the  execution,  delivery  or
         performance of this agreement by the Corporation or the issue of any of
         the Option Shares,  other than the approval of the securities exchanges
         and/or  markets  on which the  Option  Shares  are to be listed and the
         filing of a registration statement or similar document required for the
         purposes of making the Option Shares freely tradeable securities in the
         United States of America.

4.2.     Covenants


                  The  Corporation  covenants  with the Optionee that so long as
any part of either of the Options remains outstanding:


         4.2.1. it shall reserve and keep available out of its authorized Common
         Shares a sufficient number of Common Shares for the purpose of enabling
         it to satisfy its  obligation  to issue Common Shares upon the exercise
         of the Options;

         4.2.2.  it shall.  upon the one time demand of the  Optionee and in any
         event  prior to the Time of Expiry  of the  Options,  take all  actions
         which may be  necessary  so that the Option  Shares  issuable  upon the
         exercise  of the  Options  will be  registered  for  trading  under the
         securities laws of the United States of America;

         4.2.3.  it  shall  from  time to time  take  all  action  which  may be
         necessary so that the Option  Shares  issuable upon the exercise of the
         Options  will,  immediately  upon  their  issuance,  be  listed  on the
         principal  securities exchanges and/or markets within the United States
         of America  and  Canada,  if any,  on which the Common  Shares are then
         listed;

         4.2.4.  it  shall  use its  best  efforts  to  maintain  its  corporate
         existence; and

         4.2.5.  it shall not, by closing its  transfer  registers or taking any
         other action, deprive the Optionee of the ability to exercise an Option
         during the period of 14 days after the giving of the notice required by
         Section 3.10.

                                   ARTICLE 5.
                     TRANSFER OF RIGHTS TO EXERCISE OPTIONS

5.1.     Transfer of Rights to Exercise All or Part of Options Permitted

         5.1.1. The Optionee shall be entitled at any time and from time to time
         to transfer or assign to any Person in accordance  with the  provisions
         of applicable securities legislation,  the right to exercise all or any
         part of either of the Options and to acquire the Option Shares relating
         thereto.

         5.1.2.  Upon any transfer of rights  referred to in Section 5.1.1,  the
         Corporation shall enter into an acknowledgement in form satisfactory to
         the Optionee  and the Person to whom the rights are being  transferred,
         acknowledging the number of First Options and/or Second Options, as the
         case may be, the rights relating to which are being transferred and the
         number of First Options and/or Second  Options,  as the case may be, if
         any, the rights  relating to which are being  retained by the Optionee.
         The Corporation  shall also  acknowledge the right of the transferee to
         acquire the relevant  number of Option  Shares upon the due exercise of
         the rights so transferred.

         5.1.3. Upon any transfer of rights in accordance with the provisions of
         this Article 5, all of the provisions of this agreement  shall apply to
         the Options the rights  relating to which were  transferred,  and shall
         continue to apply to the balance of the Options the rights  relating to
         which were retained.


                                   ARTICLE 6.
                                     GENERAL

6.1.     Filing of Agreement and Notice to Registrar

                  A copy of this agreement  shall be filed in the minute book of
the Corporation  and the Corporation  shall give notice of this agreement to the
registrar, if any, of the Common Shares.


6.2.     Optionee not a Shareholder

                  The  holding of the Options  shall not, in itself,  constitute
the Optionee a  shareholder  of the  Corporation  nor entitle it to any right or
interest except as expressly provided in this agreement.


6.3.     Submission to Jurisdiction

                  The  Corporation  agrees that any suit,  action or  proceeding
arising out of or relating to this agreement against it or any of its assets may
be brought in any court of the  Province of Ontario or Canada (or, at the option
of the  Optionee  in the  Federal  Court  of  Canada,  if  within  that  court's
jurisdiction) and the Corporation hereby irrevocably and unconditionally attorns
and submits to the  jurisdiction  of such courts over the subject  matter of any
such suit, action or proceeding.  The Corporation  irrevocably waives and agrees
not to raise any  objection  it might now or  hereafter  have to any such  suit,
action or  proceeding  in any such  court  including,  without  limitation,  any
objection that the place where such court is located is an inconvenient forum or
that there is any other suit,  action or proceeding in any other place  relating
in whole or in part to the same subject matter.  The Corporation agrees that any
judgment or order in any such suit, action or proceeding brought in such a court
shall be  conclusive  and binding upon it and  consents to any such  judgment or
order  being  recognized  and  enforced  in the  courts of its  jurisdiction  of
incorporation  or any other courts,  by  registration  or  homologation  of such
judgment or order, by a suit,  action or proceeding upon such judgment or order,
or any other means  available  for  enforcement  of judgments or orders,  at the
option of the  Optionee,  provided  that  service  of any  required  process  is
effected  upon  it in the  manner  specified  in  Section  6.4  or as  otherwise
permitted by law. Nothing in this Section 6.3 shall restrict the bringing of any
such suit, action or proceeding in the courts of any other jurisdiction.


6.4.     Attorney for Service

                  The  Corporation   irrevocably   appoints  Photon   Technology
International  (Canada) Inc., at the following  address:  347 Consortium  Court,
London,  Ontario,  N6E 2S8 its  authorized  attorney  and  agent to  accept  and
acknowledge,  for  and on  behalf  of the  Corporation,  service  of any and all
process in the  Province of Ontario,  Canada in any suit,  action or  proceeding
arising  out of or  relating  to this  agreement.  The  Corporation  agrees that
service of process upon such  attorney and agent by  delivering a copy  thereof,
addressed to Mr. Charles  Marianik,  in care of such attorney and agent,  at the
above address,  shall be  conclusively  deemed to have come to the notice of the
Corporation  at the time of such delivery and shall  constitute in every respect
valid and effective  personal  service upon the  Corporation at the time of such
delivery,  and that  failure by such  attorney  and agent to give notice of such
service  to the  Corporation  shall not affect  the  validity  or effect of such
service  or any  judgment  or order  based  thereon or  arising  therefrom.  The
Corporation irrevocably authorizes and directs such attorney and agent to accept
service on its behalf and agrees to appear in such suit,  action or  proceeding.
The Corporation further agrees to take all action as may be necessary to confirm
and continue in full force and effect the appointment of such attorney and agent
so that until the expiry of all rights and  remedies  associated  with either of
the  Options,  or both,  the  Corporation  shall have an attorney  and agent for
service of process in the Province of Ontario, Canada.


6.5.     Notices

                  Any notice or other communication  required or permitted to be
given or delivered  hereunder  shall be in writing and shall be given by prepaid
first-class mail, by facsimile or other means of electronic  communication or by
hand-delivery as hereafter provided. Any such notice or other communication,  if
mailed by prepaid first-class mail at any time other than during or within three
Business Days prior to a general discontinuance of postal service due to strike,
lockout  or  otherwise,  shall be  deemed to have been  received  on the  fourth
Business  Day after the  post-marked  date  thereof,  or if sent by facsimile or
other means of electronic  communication,  shall be deemed to have been received
on the Business Day of sending,  or if delivered by hand shall be deemed to have
been received at the time it is delivered to the applicable  address noted below
either to the  individual  designated  below or to an individual at such address
having  apparent  authority  to accept  deliveries  on behalf of the  addressee.
Notice of change of address shall also be governed by this Section. In the event
of a general  discontinuance  of  postal  service  due to  strike,  lock-out  or
otherwise, notices or other communications shall be delivered by hand or sent by
facsimile or other means of electronic communication and shall be deemed to have
been received in accordance with this Section.  Notices and other communications
shall be addressed as follows:

            (a)   if to the Optionee:

                  C.I.-C.P.A. Business Ventures Fund Inc.
                  Aetna Tower, Suite 3512
                  P.O. Box 270
                  Toronto-Dominion Centre
                  Toronto, Ontario
                  M5K IN2

                  Attention: Mr. M. Grant Brown
                  Telecopier number: (416) 814-8475

            (b)   if to the Corporation:

                  Photon Technology International, Inc.
                  1 Deerpark Drive
                  Suite F
                  South Brunswick
                  New Jersey 08852

                  Attention:  Mr. Charles Marianik
                  Telecopier number: (908) 329-9069
  

6.6.     Time of Essence

                  Time is of the essence of this agreement.


6.7.     Enurement

                  This  agreement  shall  enure to the benefit of and be binding
upon the parties hereto and their respective successors and assigns.


6.8. Counterparts

                  This agreement may be signed in counterparts  and each of such
counterparts shall constitute an original document and such counterparts,  taken
together, shall constitute one and the same instrument.

                  IN WITNESS WHEREOF the parties have executed this agreement.

                                      PHOTON TECHNOLOGY INTERNATIONAL, INC.
                                      
                                      By: /s/ Charles Marianik
                                          --------------------------------------


                                      C.I. - C.P.A. BUSINESS VENTURES FUND INC.

                                      By: /s/Robert Curry
                                          --------------------------------------

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

<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
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<FISCAL-YEAR-END>                          JUN-30-1996
<PERIOD-END>                               DEC-31-1995
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<SECURITIES>                                         0
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<DEPRECIATION>                             (1,364,808)
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<BONDS>                                              0
                                0
                                          0
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<TOTAL-REVENUES>                             4,498,943
<CGS>                                        1,860,361
<TOTAL-COSTS>                                1,692,809
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<LOSS-PROVISION>                                     0
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<CHANGES>                                            0
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<EPS-PRIMARY>                                      .09
<EPS-DILUTED>                                      .08
        

</TABLE>


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