PLASMA & MATERIALS TECHNOLOGIES INC
DEFA14A, 1996-10-02
SPECIAL INDUSTRY MACHINERY, NEC
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<PAGE>
 

                           SCHEDULE 14A INFORMATION

          Proxy Statement Pursuant to Section 14(a) of the Securities
                    Exchange Act of 1934 (Amendment No. 1)
        
Filed by the Registrant [X]

Filed by a Party other than the Registrant [_] 

Check the appropriate box:

[_]  Preliminary Proxy Statement        [_]  Confidential, for Use of the 
                                             Commission Only (as permitted by
                                             Rule 14a-6(e)(2))
[_]  Definitive Proxy Statement 

[X]  Definitive Additional Materials 

[_]  Soliciting Material Pursuant to Section 240.14a-11(c) or Section 240.14a-12

                    PLASMA & MATERIALS TECHNOLOGIES, INC. 
- --------------------------------------------------------------------------------
               (Name of Registrant as Specified In Its Charter)


- --------------------------------------------------------------------------------
   (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

   
Payment of Filing Fee (Check the appropriate box):

[_]  $125 per Exchange Act Rules 0-11(c)(1)(ii), 14a-6(i)(1), 14a-6(i)(2)
     or Item 22(a)(2) of Schedule 14A.

[_]  $500 per each party to the controversy pursuant to Exchange Act Rule
     14a-6(i)(3).

[_]  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

   
     (1) Title of each class of securities to which transaction applies:

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     (2) Aggregate number of securities to which transaction applies:

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     (3) Per unit price or other underlying value of transaction computed
         pursuant to Exchange Act Rule 0-11 (Set forth the amount on which
         the filing fee is calculated and state how it was determined):

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     (4) Proposed maximum aggregate value of transaction:

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     (5) Total fee paid:

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[_]  Fee paid previously with preliminary materials.
     
[_]  Check box if any part of the fee is offset as provided by Exchange
     Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee
     was paid previously. Identify the previous filing by registration statement
     number, or the Form or Schedule and the date of its filing.
     
     (1) Amount Previously Paid:
 
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     (2) Form, Schedule or Registration Statement No.:

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     (3) Filing Party:
      
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     (4) Date Filed:

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Notes:

<PAGE>
 
 
                [LOGO OF PLASMA & MATERIALS TECHNOLOGIES, INC.]
                
                     PLASMA & MATERIALS TECHNOLOGIES, INC.
                              9255 DEERING AVENUE
                         CHATSWORTH, CALIFORNIA 91311
 
                                                                October 1, 1996
 
Dear Shareholder:
 
  On behalf of Plasma & Materials Technologies, Inc. ("PMT"), we have attached
a supplement (the "Supplement") to PMT's Proxy Statement dated September 11,
1996 (the "Proxy Statement"). The Supplement updates and supplements certain
matters that are described in the Proxy Statement.
 
  An additional proxy card is included with the Supplement. The proxy card
relates to all matters set forth in the Proxy Statement. To be sure your vote
is counted, you may return the enclosed proxy card even if you already
returned a previous card. If you have already delivered a proxy card to PMT
and you wish to change any vote set forth therein, you must deliver the
enclosed proxy card, appropriately completed, to reflect your changed vote. If
you have any questions regarding the Supplement or the enclosed proxy card,
please contact PMT's proxy solicitor, MacKenzie Partners, Inc., at (800) 322-
2885.
 
  The enclosed Supplement should be read in conjunction with the Proxy
Statement. Please give this information careful consideration.
 
                                          Very truly yours,
 
                                          /s/ Gregor A. Campbell

                                          Dr. Gregor A. Campbell,
                                          President and Chief Executive
                                           Officer
<PAGE>
 
                                  SUPPLEMENT
 
                            TO THE PROXY STATEMENT
 
                           DATED SEPTEMBER 11, 1996
 
                                      OF
                     PLASMA & MATERIALS TECHNOLOGIES, INC.
 
                                                                October 1, 1996
 
  The following information (the "Supplement") supplements the Proxy Statement
dated September 11, 1996 (the "Proxy Statement") of Plasma & Materials
Technologies, Inc., a California corporation (the "Company" or "PMT"). This
Supplement provides information regarding the final terms of the Company's
offering of 7 1/8% Convertible Subordinated Notes Due 2001, certain unaudited
pro forma financial information based on such final terms, certain additional
information related to transactions between PMT and certain of its
shareholders and the Company's engagement of a proxy solicitor. This
Supplement should be read in connection with the Proxy Statement.
 
                           CONVERTIBLE NOTE OFFERING
 
  On October 1, 1996, the Company entered into a Purchase Agreement with
Salomon Brothers Inc and Unterberg Harris (the "Initial Purchasers") for the
issuance and sale by the Company of $75,000,000 principal amount of 7 1/8%
Convertible Subordinated Notes Due 2001 (the "Convertible Notes") with
proceeds to the Company of 96.25% of the principal amount. The Company also
granted to the Initial Purchasers a 30-day option to purchase up to
$11,250,000 principal amount of additional Convertible Notes on the same terms
to cover over-allotments, if any. The Convertible Notes are convertible,
commencing 90 days after issuance (or, if later, upon the Company's
acquisition of Electrotech, as described below) into PMT Common Stock at a
conversion price of $15.635 per share. The Convertible Notes are redeemable,
in whole or in part, at the option of the Company at any time on or after
October 15, 1999 at the redemption prices specified in the Indenture relating
thereto. The Notes are unsecured obligations of the Company, subordinated in
right of payment to all existing and future Senior Debt (as defined in the
Indenture).
 
  The proceeds from the sale of the Convertible Notes will be used to finance
a significant portion of the purchase price of the transactions contemplated
by the Share Purchase Agreement dated July 17, 1996, as amended through the
date hereof (the "Share Purchase Agreement"), entered into among the Company,
Electrotech Limited ("ET") and Electrotech Equipments Limited (ETE and
collectively with ET, "Electrotech"), Christopher D. Dobson and the other
shareholders of Electrotech and the transactions contemplated thereby (the
"Acquisition") pursuant to which PMT will acquire 100% of the outstanding
capital stock of Electrotech and, directly or indirectly, each subsidiary
thereof.
<PAGE>
 
                        PRO FORMA FINANCIAL INFORMATION
 
  The unaudited pro forma financial information presented below should be read
in conjunction with the notes hereto and the separate financial statements of
PMT and Electrotech presented elsewhere in the Proxy Statement.
 
           UNAUDITED PRO FORMA BALANCE SHEET OF PMT AND ELECTROTECH
                         COMBINED AS OF JUNE 30, 1996
                        (IN THOUSANDS OF U.S. DOLLARS)
 
<TABLE>
<CAPTION>
                                                            PRO FORMA  PRO FORMA
                                       PMT    ELECTROTECH  ADJUSTMENTS COMBINED
                                     -------  ------------ ----------- ---------
<S>                                  <C>      <C>          <C>         <C>
              ASSETS
Current assets:
  Cash and cash equivalents........  $ 8,475    $ 3,219     $ 75,000   $ 11,694
                                                             (75,000)
  Short-term investments...........   15,099        --        (8,500)     6,599
  Accounts receivable..............   16,592     26,975          --      43,567
  Inventories......................   12,885     27,029          --      39,914
  Demonstration inventory..........    3,078        --           --       3,078
  Other current assets.............      586      5,099          --       5,685
                                     -------    -------     --------   --------
    Total current assets...........   56,715     62,322       (8,500)   110,537
Property, equipment and leasehold
 improvements--net.................    8,640     14,265        1,000     23,905
Developed technology...............      --         --        45,900     45,900
In-process technology..............      --         --        81,000        --
                                                             (81,000)
Assembled workforce................      --         --         7,000      7,000
Covenant not to compete............      --         --           500        500
Goodwill...........................      --         --         1,688      1,688
Other assets.......................    1,626         28          --       1,654
                                     -------    -------     --------   --------
    Total assets...................  $66,981    $76,615     $ 47,588   $191,184
                                     =======    =======     ========   ========
 LIABILITIES AND SHAREHOLDERS' 
            EQUITY
Current liabilities:
  Revolving line of credit and bank
   overdrafts......................  $   --     $12,564     $    --    $ 12,564
  Accounts payable and accrued
   expenses........................    8,888      7,237          --      16,125
  Warranty expense.................      694      1,716          --       2,410
  Customer deposits................      --       4,307          --       4,307
  Accrued salaries and related
   liabilities.....................      306        992          --       1,298
  Current portion of capital lease
   obligations.....................      510        995          --       1,505
  Other accrued liabilities........      --       6,301          --       6,301
  Income taxes payable.............      --       5,197          --       5,197
                                     -------    -------     --------   --------
    Total current liabilities......   10,398     39,309          --      49,707
Long-term debt and capital lease
 obligations.......................      434      1,457          --       1,891
Convertible subordinated notes.....      --         --        75,000     75,000
Deferred income taxes..............      --         950       17,787     18,737
                                     -------    -------     --------   --------
    Total liabilities..............   10,832     41,716       92,787    145,335
Shareholders' equity:
Common stock:
  PMT..............................   61,090        --        70,700    131,790
  Electrotech......................      --          17          (17)       --
Retained earnings (accumulated def-   (4,941)    34,882      (34,882)   (85,941)
 icit).............................                          (81,000)
                                     -------    -------     --------   --------
    Total shareholders' equity.....   56,149     34,899      (45,199)    45,849
                                     -------    -------     --------   --------
      Total liabilities and share-
       holders' equity.............  $66,981    $76,615     $ 47,588   $191,184
                                     =======    =======     ========   ========
</TABLE>
 
                                       2
<PAGE>
 
                 UNAUDITED PRO FORMA STATEMENT OF OPERATIONS OF
                              PMT AND ELECTROTECH
              FOR THE TWELVE MONTH PERIOD ENDED DECEMBER 31, 1995
            (IN THOUSANDS OF U.S. DOLLARS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                           PRO FORMA  PRO FORMA
                                       PMT    ELECTROTECH ADJUSTMENTS COMBINED
                                     -------  ----------- ----------- ---------
<S>                                  <C>      <C>         <C>         <C>
Revenues:
 Sales.............................. $20,890    $54,383    $    --     $75,273
 License revenue....................     400        --          --         400
                                     -------    -------    --------    -------
  Total revenues....................  21,290     54,383         --      75,673
Operating costs and expenses:
 Costs of goods sold................  11,144     26,063         --      37,207
 Research and development...........   4,567      8,402         --      12,969
 Sales, general and administrative..   5,944     12,194         --      18,138
 Amortization of intangibles........     --         --        5,817      5,817
                                     -------    -------    --------    -------
  Total.............................  21,655     46,659       5,817     74,131
                                     -------    -------    --------    -------
Operating income (loss).............    (365)     7,724      (5,817)     1,542
Other income and expense:
 Interest income....................     777        294        (340)       731
 Interest expense...................    (293)      (959)     (5,343)    (6,595)
 Profit on disposal of business.....     --       7,812         --       7,812
                                     -------    -------    --------    -------
                                         484      7,147      (5,683)     1,948
                                     -------    -------    --------    -------
Income (loss) before income tax
 provision..........................     119     14,871     (11,500)     3,490
 
Income tax provision................       1      5,966      (1,831)     4,136
                                     -------    -------    --------    -------
Net income (loss)................... $   118    $ 8,905    $ (9,669)   $  (646)
                                     =======    =======    ========    =======
Net income (loss) per PMT share..... $  0.02                           $ (0.05)
                                     =======                           =======
Number of shares outstanding, in
 thousands..........................   6,593                  5,600     12,193
</TABLE>
 
                                       3
<PAGE>
 
                UNAUDITED PRO FORMA STATEMENT OF OPERATIONS OF
                              PMT AND ELECTROTECH
                 FOR THE SIX MONTH PERIOD ENDED JUNE 30, 1996
           (IN THOUSANDS OF U.S. DOLLARS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                           PRO FORMA  PRO FORMA
                                       PMT    ELECTROTECH ADJUSTMENTS COMBINED
                                     -------  ----------- ----------- ---------
<S>                                  <C>      <C>         <C>         <C>
Revenues:
  Product sales..................... $17,946    $47,348     $   --     $65,294
  Contract revenue..................     849        --          --         849
                                     -------    -------     -------    -------
                                      18,795     47,348         --      66,143
Operating costs and expenses:
  Cost of sales.....................   9,127     22,456         --      31,583
  Research and development..........   3,560      5,660         --       9,220
  Sales, general and administrative.   4,267      7,239         --      11,506
  Amortization of intangibles.......     --         --        2,909      2,909
                                     -------    -------     -------    -------
    Total...........................  16,954     35,355       2,909     55,218
                                     -------    -------     -------    -------
Operating income....................   1,841     11,993      (2,909)    10,925
Other income and expense:
  Interest income...................     884        299        (170)     1,013
  Interest expense..................     (91)      (927)     (2,672)    (3,690)
                                     -------    -------     -------    -------
                                         793       (628)     (2,842)    (2,677)
Income before income taxes..........   2,634     11,365      (5,751)     8,248
Provision for income taxes..........      13      4,274        (915)     3,372
                                     -------    -------     -------    -------
Net income.......................... $ 2,621    $ 7,091     $(4,836)   $ 4,876
                                     =======    =======     =======    =======
Net income per PMT share............ $  0.29                           $  0.33
                                     =======                           =======
Number of shares outstanding, in
 thousands..........................   9,131                  5,600     14,731
</TABLE>
 
  The accompanying unaudited pro forma financial statements include
adjustments for the allocation of the purchase price to the underlying assets
and liabilities as discussed below, the issuance of Common Stock, the
elimination of Electrotech's equity in combination of the two companies,
depreciation and amortization of the amounts allocated to various assets and
liabilities acquired and a reduction of interest income and increase in
interest expense associated with the reduction of cash and the issuance of the
Convertible Notes in connection with the Acquisition.
 
  The unaudited pro forma financial information presented above combines the
June 30, 1996 balance sheets of PMT and Electrotech and the statements of
operations for the twelve month period ended December 31, 1995 and the six
month period ended June 30, 1996 on a pro forma basis. This pro forma
combination gives effect to the following assumptions:
 
  . That the Acquisition occurred on June 30, 1996 for the unaudited pro
    forma balance sheet.
 
  . That the Acquisition occurred as of the beginning of each statement of
    operations presentation with the allocation of the purchase price
    estimated based on the June 30, 1996 unaudited combined balance sheet of
    Electrotech.
 
  . That the Acquisition would be accounted for as a purchase.
 
  . That the purchase price paid by PMT to acquire Electrotech would be
    approximately $154.2 million, consisting of $75 million in cash, 5.6
    million shares of Common Stock valued at $12.625 per share, and that the
    estimated transaction and financing costs would be $8.5 million. The
    valuation of Common Stock is based on the $12.625 per share closing price
    of Common Stock on July 17, 1996, the last day prior to the public
    announcement of the parties' agreement to acquisition terms.
 
                                       4
<PAGE>
 
  . That $75 million of cash required to consummate the Acquisition would be
    financed through the issuance of Convertible Notes, which will bear
    interest at 7.125% per annum. Depending upon whether the over-allotment
    option granted to the Initial Purchase is exercised, the actual amount
    financed may differ from the amount used in the pro forma financial
    statements.
 
  . That the excess of the purchase price including the estimated transaction
    and financing costs, over the net shareholders' equity of Electrotech
    would be allocated to the following assets and liabilities and that the
    amounts allocated would be amortized over the following time periods:
 
<TABLE>
<CAPTION>
                                    AMOUNT
                 ITEM               ($000)          AMORTIZATION PERIOD
                 ----               -------         -------------------
   <S>                              <C>     <C>
   Fixed assets
    . Land and buildings........... $ 1,000 Twelve years for buildings
   Intangible assets
    . Developed technology.........  45,900 Ten years
    . Assembled workforce..........   7,000 Eight years
    . In-process technology........  81,000 100% immediately following
                                             the Acquisition
    . Covenant not to compete......     500 Three years
    . Goodwill.....................   1,688 Ten years
   Deferred tax liability..........  17,787 As utilized based on the above lives
</TABLE>
 
  . The preliminary allocation of the purchase price among identifiable
    tangible and intangible assets and liabilities, as reflected in the
    accompanying pro forma financial statements, is based on an analysis of
    the estimated fair value of those assets and liabilities as of June 30,
    1996. The estimated fair market value of the assets acquired may vary
    significantly between June 30, 1996 and the consummation of the
    Acquisition.
 
   Purchased in-process technology was analyzed through interviews and
   analysis of data concerning each of Electrotech's projects in development
   (i.e. Forcefill(TM) and Flowfill(TM)). Expected future cash flows of the
   developmental projects were discounted to present value taking into
   account risks associated with the inherent difficulties and uncertainties
   in completing the projects, and thereby achieving technological
   feasibility, and the risks related to potential changes in future target
   markets. PMT's expected post-acquisition business strategies were
   considered as they relate to Electrotech's current products and projects
   in development. Considerable efforts are being applied by Electrotech to
   its Forcefill(TM) and Flowfill(TM) projects to attain product
   functionality and reliability levels acceptable to their intended target
   market.
 
   The write-off of purchased in-process technology is not reflected in the
   accompanying unaudited statements of operations as it is a non-recurring
   charge. It will be included, however, in the actual consolidated statement
   of operations of PMT for the first fiscal quarter in which the Acquisition
   occurs.
 
   Using the methodology that was used for in-process technology, expected
   future cash flows of the developed technology were discounted taking into
   account risks related to the characteristics and application of each
   product, existing and future markets, and assessments of the life cycle
   stage of each product. This analysis resulted in an estimated value of
   $45.9 million for developed technology, which has reached technological
   feasibility and therefore would be capitalized.
 
  . For United States income tax purposes, the tax basis of the underlying
    assets and liabilities is not adjusted. Accordingly, a deferred tax
    liability has been included in the purchase price allocation which
    represents the tax effect of the difference in the basis for financial
    reporting and tax purposes of the assets, except goodwill, and
    liabilities acquired, after considering the effects of the purchase price
    allocation. The portion of the tax credit associated with the
    amortization of the excess of the recorded basis of the assets is
    reflected as a tax benefit in the accompanying pro forma statements of
    operations.
 
                                       5
<PAGE>
 
  . The number of shares used in the computation of earnings per share has
    been adjusted to reflect the issuance of 5,600,000 shares of Common Stock
    in connection with the Acquisition as if it had occurred at the beginning
    of the year presented. Fully dilutive earnings per share data has not
    been presented because such data would be anti-dilutive. See note 1 to
    the audited Financial Statements of PMT for the year ended December 31,
    1995.
 
  It should be noted that the unaudited pro forma financial information:
 
  . Uses a pro forma allocation of the purchase price paid for Electrotech as
    shown above; both the allocation of the actual purchase price and the
    amortization periods for these amounts are preliminary and subject to
    refinement pursuant to completion and updating of valuation studies at
    the time of closing of the Acquisition.
 
  . Does not give effect to any costs of combining the companies or to any
    efficiencies in operations that could be achieved by combining the
    companies.
 
  . Does not purport to be indicative either of the results of operations
    that would have occurred had the Acquisition been consummated at the
    dates indicated, or of the future combined results of operations of the
    companies.
 
  . The financial data of PMT for the year ended December 31, 1995 used to
    develop the unaudited pro forma combining statement of operations is
    derived from the historical audited financial statements of PMT.
 
  . All interim financial data of PMT and Electrotech, and the financial data
    of Electrotech for the twelve month period ended December 31, 1995 used
    to develop the unaudited pro forma combining balance sheet and statements
    of operations is derived from historical unaudited financial statements
    of PMT and Electrotech, but in the opinions of management of PMT and
    Electrotech, respectively, reflect all adjustments necessary (consisting
    only of normal recurring entries) for a fair presentation thereof. The
    interim financial data and the financial data for the twelve month period
    ended December 31, 1995 for Electrotech have been adjusted to conform
    with U.S. generally accepted accounting principles and have been
    converted to U.S. dollars using the following U.S. dollar conversion
    rates per (Pounds)1 sterling: June 30, 1996--$1.53 and December 31,
    1995--$1.55.
 
                                       6
<PAGE>
 
                                  MANAGEMENT
 
CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
 
  As disclosed elsewhere in the Proxy Statement, on March 29, 1996, PMT
entered into a number of agreements with PMT CVD Partners, L.P. (the "CVD
Partnership") and the limited partners thereof (the "Limited Partners"). The
CVD Partnership was sponsored by PMT to fund research and development costs
and expenses for an intermetal dielectic CVD system based on PMT's MORI(TM)
source technology. An aggregate of approximately $5,350,000 was invested by
Limited Partners in the CVD Partnership to fund such research and development
efforts, which are being performed by PMT under an agreement with the CVD
Partnership.
 
  PMT is paid for such services in an amount equal to its actual direct costs,
as defined, plus a stated percentage of such costs. During the six months
ended June 30, 1996, the amount of such research and development payments to
PMT by the CVD Partnership was approximately $849,000. PMT will be obligated
to pay percentage royalties, based upon the net sales price and depending upon
the year and location of sale, to the CVD Partnership on sales of developed
CVD products. There is no provision for royalty payments to the CVD
Partnership in fiscal 1996. The CVD Partnership owns the rights to the
developed technology, and has granted to PMT an exclusive, worldwide and
royalty-bearing license under such technology which terminates on March 29,
2001 (concurrent with the expiration of PMT's option described below (the
"Option") to acquire all of the Limited Partners' interests in the CVD
Partnership).
 
 The Limited Partners
 
  The Limited Partners of the CVD Partnership include SBIC Partners, L.P.
("SBIC Partners") and NorWest Equity Partners, V ("NorWest"). Each of SBIC
Partners and NorWest invested $2,500,000 in the CVD Partnership. As of October
1, 1996 SBIC Partners held 638,604 shares of Common Stock, or 7.3% of the
shares of Common Stock presently outstanding, and NorWest and its affiliates
held 603,898 shares of Common Stock, or 6.9% of the shares of Common Stock
presently outstanding.
 
 The Option
 
  In connection with the formation of the CVD Partnership, PMT entered into
option agreements (the "Option Agreements") with the Limited Partners, setting
forth the terms and conditions of the Option. Pursuant to the Option
Agreements, PMT has a presently exercisable option, expiring March 29, 2001,
to acquire all of the Limited Partners' interest in the CVD Partnership and
thereby effectively acquire full ownership of the developed technology and
terminate further royalty obligations. The option price formula (the "Option
Price") is determined by multiplying each Limited Partner's invested capital
in the CVD Partnership by a 40% compounded annual rate of return, provided
that, regardless of the date of exercise, the minimum Option Price shall equal
at least two times each Limited Partner's invested capital. The Option Price
may be paid in cash, shares of PMT's Common Stock (based on 90% of the fair
market value of such shares) or any combination thereof, in the sole
discretion of PMT. PMT may exercise the Option at its sole discretion.
 
 Warrants
 
  In connection with the formation of the CVD Partnership, the Limited
Partners received warrants (the "Warrants") to purchase an aggregate of
277,662 shares of PMT's Common Stock at a purchase price of $12.75 per share.
The Warrants become exercisable for a one-year period following exercise of
the Option, but only if the Option is actually exercised by PMT. In connection
with their investment in the CVD Partnership, each of SBIC Partners and
NorWest received a Warrant to purchase 130,726 shares of Common Stock.
 
                         ENGAGEMENT OF PROXY SOLICITOR
 
  The Company has retained MacKenzie Partners, Inc. for proxy solicitation
services in connection with the meeting. MacKenzie Partners, Inc. will receive
a fee estimated at $6,000 in connection with the performance of its services,
in addition to the reimbursement of its expenses.
 
                                       7


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