THERMO ELECTRON CORP
424B4, 1996-09-13
MEASURING & CONTROLLING DEVICES, NEC
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<PAGE>   1
 
PROSPECTUS
                                4,100,000 UNITS
                     (EACH UNIT CONSISTING OF ONE SHARE OF
                     COMMON STOCK AND ONE REDEMPTION RIGHT)
                                       OF
                              THERMO FIBERGEN INC.

                            ------------------------
 
           REDEMPTION PAYMENTS GUARANTEED ON A SUBORDINATED BASIS BY
                          THERMO ELECTRON CORPORATION

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

    All of the units offered hereby (the "Units") are being sold by Thermo
Fibergen Inc. ("Thermo Fibergen" or the "Company"), a wholly owned subsidiary of
Thermo Fibertek Inc. ("Thermo Fibertek"), which is an 81.5%-owned subsidiary of
Thermo Electron Corporation ("Thermo Electron"). Each Unit consists of one share
of common stock, par value $.01 per share (the "Common Stock"), of the Company
and one Redemption Right (the "Redemption Rights") (the Units, Common Stock,
Redemption Rights and the Guarantees (as defined below) are hereinafter
collectively referred to as the "Securities"). Each Redemption Right entitles
the holder to sell one share of the Company's Common Stock to the Company during
the month of September 2000 (the "First Redemption Period") and during the month
of September 2001 (the "Second Redemption Period"), for an amount of cash equal
to the initial public offering price (the "Redemption Price"). The Company's
obligations with regard to the Redemption Rights are guaranteed on a
subordinated basis by Thermo Electron. The Common Stock and the Redemption
Rights will trade together as Units until the 90th day after the date of this
Prospectus, after which date the Common Stock and the Redemption Rights will
trade separately. The Redemption Rights will expire if at any time after the
90th day after the date of this Prospectus and (i) prior to the beginning of the
First Redemption Period or (ii) after the end of the First Redemption Period and
prior to the beginning of the Second Redemption Period, the closing price of the
Common Stock as reported on the principal trading market for the Common Stock
has been at least 150% of the Redemption Price, as adjusted, for 20 of any 30
consecutive trading days. See "Description of Securities."
 
    Following the offering, Thermo Fibertek will own approximately 70.9% of the
outstanding shares of Common Stock of the Company (assuming no exercise of the
Underwriters' over-allotment option).
 
    Prior to this offering, there has been no public market for the Units, the
Common Stock or the Redemption Rights. See "Underwriting" for information
relating to the factors considered in determining the initial public offering
price. The Units, the Common Stock and the Redemption Rights have been approved
for listing on the American Stock Exchange.
                            ------------------------
 
          THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK.
                    SEE "RISK FACTORS" BEGINNING ON PAGE 6.

                            ------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
    EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
       SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
         COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
             PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY 
                         IS A CRIMINAL OFFENSE.
 
<TABLE>
===========================================================================================================
<CAPTION>
                                                  PRICE TO     UNDERWRITING DISCOUNTS       PROCEEDS TO
                                                   PUBLIC        AND COMMISSIONS(1)         COMPANY(2)
- -----------------------------------------------------------------------------------------------------------
<S>                                               <C>                 <C>                   <C>
Per Unit....................................        $12.75               $.83                 $11.92
- -----------------------------------------------------------------------------------------------------------
Total(3)....................................      $52,275,000         $3,403,000            $48,872,000
===========================================================================================================

<FN> 
(1) The Company, Thermo Fibertek and Thermo Electron have agreed to indemnify
    the Underwriters against certain liabilities, including liabilities under
    the Securities Act of 1933. See "Underwriting."
 
(2) Before deducting expenses payable by the Company estimated at $375,000.
 
(3) The Company has granted to the Underwriters a 30-day option to purchase up
    to an additional 615,000 Units solely to cover over-allotments, if any. If
    this option is fully exercised, the total price to the public would be
    $60,116,250, the total underwriting discounts and commissions would be
    $3,913,450 and the total proceeds to the Company before estimated expenses
    would be $56,202,800. See "Underwriting."
</TABLE>
                        ------------------------
 
    The Securities offered by this Prospectus are offered by the Underwriters
subject to prior sale, to withdrawal, cancellation or modification of the offer
without notice, to delivery to and acceptance by the Underwriters and to certain
further conditions. It is expected that delivery of the Units will be made in
New York, New York on or about September 18, 1996.
 
NATWEST SECURITIES LIMITED
                                LEHMAN BROTHERS
                                                         OPPENHEIMER & CO., INC.
 
               THE DATE OF THIS PROSPECTUS IS SEPTEMBER 13, 1996.
<PAGE>   2
 
     IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE UNITS AT LEVELS
ABOVE THOSE WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN MARKET. SUCH TRANSACTIONS
MAY BE EFFECTED ON THE AMERICAN STOCK EXCHANGE, IN THE OVER-THE-COUNTER MARKET
OR OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.

                               ------------------
 
     FOR UNITED KINGDOM PURCHASERS: THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER
TO THE PUBLIC (AS DEFINED IN THE COMPANIES ACT 1985) AND NO PROSPECTUS HAS BEEN
OR WILL BE REGISTERED OR ISSUED IN THE UNITED KINGDOM IN RESPECT OF THE UNITS.
CONSEQUENTLY, THE UNITS MUST NOT BE OFFERED FOR SALE OR SOLD IN THE UNITED
KINGDOM EXCEPT TO PERSONS WHOSE ORDINARY ACTIVITIES INVOLVE THEM IN ACQUIRING,
HOLDING, MANAGING OR DISPOSING OF INVESTMENTS (AS PRINCIPAL OR AGENT) FOR THE
PURPOSES OF THEIR BUSINESSES OR TO PERSONS WHO IT IS REASONABLE TO EXPECT WILL
ACQUIRE, HOLD, MANAGE OR DISPOSE OF INVESTMENTS (AS PRINCIPAL OR AGENT) FOR THE
PURPOSES OF THEIR BUSINESS OR ARE OTHERWISE OFFERED TO PERSONS IN THE CONTEXT OF
THEIR TRADES, PROFESSIONS OR OCCUPATIONS.
 
     THIS PROSPECTUS MAY ONLY BE ISSUED OR PASSED ON TO ANY PERSON IN THE UNITED
KINGDOM IF THAT PERSON IS OF A KIND DESCRIBED IN ARTICLE 11(3) OF THE FINANCIAL
SERVICES ACT 1986 (INVESTMENT ADVERTISEMENTS) (EXEMPTIONS) ORDER 1995 OR WITHIN
ARTICLE 8(1) OF THE FINANCIAL SERVICES ACT 1986 (INVESTMENT ADVERTISEMENTS)
(EXEMPTIONS) (NO. 2) ORDER 1995.
 
     BIODAC IS A REGISTERED TRADEMARK OF THE COMPANY. ALL OTHER TRADEMARKS OR
TRADE NAMES REFERRED TO IN THIS PROSPECTUS ARE THE PROPERTY OF THEIR RESPECTIVE
OWNERS.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents previously filed by Thermo Electron with the
Securities and Exchange Commission (the "Commission") are incorporated in this
Prospectus by reference:
 
(a) Thermo Electron's Annual Report on Form 10-K for the year ended December 30,
    1995, as amended (File No. 1-8002);
 
(b) Thermo Electron's Quarterly Report on Form 10-Q for the quarter ended March
    30, 1996, as amended (File No. 1-8002);
 
(c) Thermo Electron's Quarterly Report on Form 10-Q for the quarter ended June
    29, 1996, as amended (File No. 1-8002);
 
(d) Thermo Electron's Current Report on Form 8-K filed with the Commission on
    January 9, 1996, with respect to the issuance of its 4 1/4% Convertible
    Subordinated Debentures due 2003 (File No. 1-8002);
 
(e) Thermo Electron's Current Report on Form 8-K filed with the Commission on
    January 26, 1996, with respect to the adoption of a Shareholder Rights Plan
    on January 19, 1996 (File No. 1-8002);
 
(f) Thermo Electron's Current Report on Form 8-K filed with the Commission on
    April 19, 1996, with respect to its guarantees of obligations under Thermo
    TerraTech Inc.'s 4 5/8% Convertible Subordinated Debentures due 2003 (File
    No. 1-8002); and
 
(g) The description of Thermo Electron's common stock which is contained in
    Thermo Electron's Registration Statement on Form 8-A, filed under the
    Exchange Act, as amended (File No. 1-8002).
 
     All reports or proxy statements filed by Thermo Electron pursuant to
Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the date of
this Prospectus and prior to the termination of the offering made hereby shall
be deemed to be incorporated by reference in this Prospectus and to be a part
hereof from the respective dates of filing such documents. Any statement
contained in a document incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
Prospectus to the extent that a statement contained herein modifies, supersedes
or replaces that statement. Any statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this
Prospectus.
 
     Thermo Electron undertakes to provide without charge to each person to whom
a copy of this Prospectus has been delivered, on the written or oral request of
such person, a copy of any or all of the documents that have been or may be
incorporated in this Prospectus by reference, other than exhibits to such
documents (unless such exhibits are specifically incorporated by reference
therein). Requests for such copies should be directed to: Sandra L. Lambert,
Secretary, Thermo Electron Corporation, 81 Wyman Street, P. O. Box 9046,
Waltham, Massachusetts 02254-9046 (telephone number: (617) 622-1000).
 
                                        2
<PAGE>   3
- --------------------------------------------------------------------------------
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the more detailed
information and the financial statements and notes thereto appearing elsewhere
in this Prospectus. Except as otherwise indicated, all information in this
Prospectus assumes that the Underwriters' over-allotment option will not be
exercised. Investors should carefully consider the information set forth under
the heading "Risk Factors."
 
                                  THE COMPANY
 
     Thermo Fibergen Inc. (the "Company") was established as a subsidiary of
Thermo Fibertek Inc. ("Thermo Fibertek") to develop and commercialize equipment
and systems to recover valuable materials from increasing volumes of pulp
residue generated by plants that produce recycled pulp and paper. The Company
intends to finance, build and operate recovery plants on sites at, or
immediately adjacent to, recycled pulp mills, employing a proprietary process to
treat pulp residue. The Company's plants will recover and clean long cellulose
fibers for resale to pulp mills, and will process the remaining recoverable
components of pulp residue, such as fines (very short fibers not usable for
papermaking) and minerals, into saleable products. On July 3, 1996, the
Company's wholly owned GranTek Inc. subsidiary ("GranTek") acquired
substantially all of the assets, subject to certain liabilities, of Granulation
Technology, Inc. ("GT") and Biodac, a division of Edward Lowe Industries, Inc.
(collectively, "GT/ELI"), for approximately $12,000,000 in cash, subject to a
post-closing adjustment. GranTek employs patented technology to produce
absorbent granules from pulp residue. These granules, marketed under the trade
name BIODAC, are currently used as a carrier to deliver chemicals for
agricultural, lawn and garden, and other needs. GranTek's Green Bay, Wisconsin,
plant currently produces more than 30,000 tons of BIODAC per year.
 
     Environmental concerns and other factors have led to an increase in the use
and production of recycled paper in recent years. However, paper companies that
increase the use of recycled paper as a source of their papermaking fiber
experience substantial increases in their pulp residue. These increases result
from the pulp de-inking, filtering and cleaning process, in which approximately
25% of the recycled fiber entering a pulp mill is lost to the waste stream, and
must be disposed of at a substantial cost. The Company believes the North
American pulp and paper industry spent an estimated $900 million to treat and
dispose of approximately 9 million tons of pulp residue in 1993. The Company
believes that worldwide expenditures to treat and dispose of pulp residue in
1993 were approximately $2.5 billion.
 
     The Company's strategy is to generate revenues from several sources. First,
the Company will seek to enter into long-term contracts with pulp and paper
mills under which the Company will charge the customer a tipping fee to accept
the customer's pulp residue. Second, the Company intends to sell much of the
clean long fibers it recovers directly back to the customer for use in the
papermaking process. The Company has not yet begun to recover long fibers; as
described below, the Company expects to begin construction of its first
commercial recovery plant employing its long fiber-recovery technology in 1997.
Third, the Company will apply existing technologies, such as its granulation
technologies, and expects to develop new technologies, to maximize the value of
the other recoverable components of the pulp residue, such as fines and
minerals, for sale into other markets. For example, the Company intends to
further develop GranTek's technology to produce granules for oil and grease
absorbents as well as for specialty absorbents, such as for the cat box filler
market.
 
     The Company anticipates that the tipping fees it receives will generally be
competitive with the pulp mills' current disposal costs. The Company believes
that pulp mills will prefer to dispose of their residue streams by paying the
Company a tipping fee for a number of reasons. Disposal of residue with the
Company will provide pulp mills with a long-term disposal solution and will
eliminate concerns over long-term capacity constraints at their landfills; will
relieve the pulp mills of the responsibility for complying with changing
treatment and disposal regulations; and will allow pulp mills to reduce their
capital investments in dewatering and treatment equipment, and to focus their
resources on the manufacture of paper.
 
     The Company is actively developing a process to recover long fibers from
pulp residue, and has completed the construction of a mobile pilot recovery
system which the Company is using for initial mill demonstrations of its
fiber-recovery process. The Company expects that its first commercial plants
will feature only GranTek's technology to process pulp residue into absorbent
granules. The Company's strategy is to introduce this technology to pulp mill
customers, to enter into long-term contracts with such customers and to
construct its plants, and then, upon the completion of development, to retrofit
existing GranTek plants with the Company's long fiber-recovery technology. The
Company will also explore the construction of plants in certain niche markets
that may feature only the Company's long fiber-recovery technology. The Company
expects to begin construction of its first commercial recovery plant employing
its long fiber-recovery technology before the end of 1997.

- --------------------------------------------------------------------------------
 
                                        3
<PAGE>   4
- --------------------------------------------------------------------------------
 
<TABLE>
                                  THE OFFERING
 
<S>                                     <C>
Units Offered(1).....................   4,100,000

Common Stock to be Outstanding after
  the Offering(1)(2).................   14,100,000

AMEX Symbol for the Units............   TFGU

AMEX Symbol for the Common Stock.....   TFG

AMEX Symbol for the Redemption
  Rights.............................   TFGR

Scheduled Optional Redemptions.......   The holder of a Redemption Right may require the Company
                                        to redeem one share of Common Stock for an amount of cash
                                        equal to the initial public offering price during the
                                        month of September 2000 (the "First Redemption Period")
                                        and the month of September 2001 (the "Second Redemption
                                        Period"). The Redemption Rights will expire if at any time
                                        after the 90th day after the date of this Prospectus and
                                        (i) prior to the beginning of the First Redemption Period
                                        or (ii) after the end of the First Redemption Period and
                                        prior to the beginning of the Second Redemption Period,
                                        the closing price of the Common Stock has been at least
                                        150% of the Redemption Price, as adjusted, for 20 of any
                                        30 consecutive trading days.

Thermo Electron Guarantees...........   Redemption payments have been guaranteed by Thermo
                                        Electron. The obligations represented by Thermo Electron's
                                        guarantees (the "Guarantees") will be subordinated in
                                        right of payment to the prior payment in full of all
                                        Senior Indebtedness (as defined herein) of Thermo
                                        Electron, including Senior Indebtedness which may be
                                        incurred by Thermo Electron after the issuance of the
                                        Guarantees.

Use of Proceeds......................   Funding the development and commercialization of the
                                        Company's fiber-recovery system, and general corporate
                                        purposes, including acquisitions.

Federal Tax Consequences.............   Special tax considerations may apply to an investment in
                                        the Units. Investors should read carefully "Certain
                                        Federal Income Tax Consequences" and are advised to
                                        consult with their own tax advisors regarding the
                                        consequences of an investment in the Units.
</TABLE>
 
                                THERMO ELECTRON
 
     Thermo Electron develops, manufactures and markets environmental monitoring
and analysis instruments, biomedical products including heart-assist systems,
mammography systems and respiratory care products, paper-recycling and
papermaking equipment, alternative-energy systems, industrial process equipment,
and other specialized products. Thermo Electron also provides environmental and
metallurgical services and conducts advanced technology research and
development. Thermo Electron performs its business through its divisions and
wholly owned subsidiaries, as well as majority-owned subsidiaries that are
partially owned by the public or by private investors.

- ---------------
 
(1) Each Unit consists of one share of Common Stock and one Redemption Right.
    The Common Stock and the Redemption Rights will trade together as Units
    until the 90th day after the date of this Prospectus, after which date the
    Common Stock and the Redemption Rights will trade separately.
 
(2) Does not include 825,000 shares of Common Stock reserved for issuance under
    the Company's stock-based compensation plans. As of August 31, 1996, options
    to purchase 338,000 shares of Common Stock had been granted and were
    outstanding under these plans. See "Capitalization," "Management --
    Compensation of Directors" and "-- Compensation of Executive Officers" and
    Note 5 of Notes to Financial Statements of the Company.
- --------------------------------------------------------------------------------
 
                                        4
<PAGE>   5
- --------------------------------------------------------------------------------
<TABLE>
 
                                        SUMMARY FINANCIAL INFORMATION
                                   (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<CAPTION>
                                                                                                  PRO FORMA
                                                                                               COMBINED(1)(2)
                                                                                           -----------------------
                                                                          SIX MONTHS          TWELVE        SIX
                                                                           ENDED(1)           MONTHS       MONTHS
                                           FISCAL YEAR                ------------------      ENDED        ENDED
                              -------------------------------------   JULY 1,   JUNE 29,   DECEMBER 30,   JUNE 29,
                              1992(1)    1993      1994      1995      1995       1996         1995         1996
                              -------   -------   -------   -------   -------   --------   ------------   --------
<S>                           <C>       <C>       <C>       <C>       <C>        <C>          <C>          <C>
STATEMENT OF OPERATIONS DATA:
Revenues..................... $ --      $ --      $ --      $ --      $ --       $ --         $ 4,233      $ 3,154
Gross Profit.................   --        --        --        --        --         --             992        1,071
Research and Development
  Expenses...................     147       106       128       601       276        548          904          637
Patent Litigation Expenses...   --        --        --        --        --         --           1,654          290
Operating Loss...............    (147)     (106)     (128)     (601)     (276)      (548)      (2,648)        (842)
Interest and Other Income
  (Expense)..................   --        --        --        --        --           267       (1,469)         704
Net Loss.....................    (147)     (106)     (128)     (601)     (276)      (281)      (4,117)        (138)
Loss per Share(3)............    (.01)     (.01)     (.01)     (.06)     (.03)      (.03)        (.41)        (.01)
Weighted Average Shares(3)...  10,073    10,073    10,073    10,073    10,073     10,073       10,073       10,073
 
<CAPTION>
                                                                                               JUNE 29, 1996
                                                                                          ------------------------
                                                                                           PRO FORMA        AS
                                                                                          COMBINED(4)    ADJUSTED(5)
                                                                                          ------------   ---------
<S>                                                                                          <C>          <C>
BALANCE SHEET DATA:
Working Capital........................................................................      $   359      $48,856
Total Assets...........................................................................       13,659       62,156
Common Stock Subject to Redemption.....................................................         --         48,497
Shareholder's Investment...............................................................       12,313       12,313
<FN> 
- ---------------
 
(1) Derived from unaudited financial statements.
 
(2) The pro forma combined statement of operations data was derived from the pro
    forma combined condensed statements of operations included elsewhere in this
    Prospectus. The pro forma combined statement of operations data sets forth
    the results of operations for the twelve months ended December 30, 1995 and
    the six months ended June 29, 1996, as if the acquisition of substantially
    all of the assets, subject to certain liabilities, of GT/ELI had occurred on
    January 1, 1995.
 
(3) Pursuant to Securities and Exchange Commission requirements, loss per share
    has been presented for all periods. Weighted average shares for all periods
    include 10,000,000 shares issued to Thermo Fibertek in connection with the
    initial capitalization of the Company and the effect of the assumed exercise
    of stock options issued within one year prior to the Company's initial
    public offering.
 
(4) The pro forma combined balance sheet data as of June 29, 1996 is derived
    from the pro forma combined condensed balance sheet included elsewhere in
    this Prospectus, which was prepared as if the acquisition of substantially
    all of the assets, subject to certain liabilities, of GT/ELI had occurred on
    June 29, 1996.
 
(5) Adjusted to reflect the sale by the Company of 4,100,000 Units offered
    hereby, after deducting underwriting discounts and commissions and estimated
    offering expenses payable by the Company.
</TABLE>

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

 
                                        5
<PAGE>   6
 
                                  RISK FACTORS
 
     An investment in the Units offered hereby involves a high degree of risk.
Accordingly, the following factors should be carefully considered in evaluating
the Company and its business before purchasing any of such Units.
 
     Operating Losses.  The Company has not been profitable since its inception
as a division of Thermo Fibertek on December 29, 1991. As of June 29, 1996, the
cumulative operating losses of the Company were approximately $1,530,000. The
Company expects to continue to incur operating losses for at least the next
several years. The Company had no revenues through the six months ended June 29,
1996.
 
     Uncertainty of Product Development; Dependence on Thermo Fibertek.  The
Company's fiber-recovery system incorporates new technology currently under
development. Although the Company has completed the construction of its mobile
pilot fiber-recovery system, it has not yet begun the commercial production of
full-scale fiber-recovery systems. The Company's success will depend in part on
Thermo Fibertek, which is developing a proprietary "scalping" technology that is
a key component of the Company's fiber-recovery system. The principal
development risk associated with the technology comprising the Company's mobile
pilot system, including the "scalping" technology under development by Thermo
Fibertek, is that such technology may not be readily scalable. Accordingly,
further engineering will be required to adapt such technology to permit it to
process pulp residue at volumes necessary for successful commercial operation.
In addition, while pulp residues from all recycled pulp mills share certain
defining principal characteristics, such technology must be further engineered
to maximize its ability to scalp fibers from the residue streams of specific
mills. No assurance can be given that the development efforts of the Company or
of Thermo Fibertek will be successful. Failure to successfully develop the
Company's recovery equipment and system would have a material adverse effect on
the business of the Company. The Company's success will depend to some degree on
its ability to identify and develop technologies to maximize the value of the
components of pulp residue, such as minerals, for sale into other markets. There
can be no assurance that the Company will succeed in obtaining or developing any
such technologies. Failure of the Company to obtain or develop such
technologies, or to develop active markets for the components of the pulp
residue it processes, would both increase the Company's ultimate waste-disposal
costs and reduce the Company's anticipated revenue stream. Accordingly, such a
failure would have a material adverse effect on the business of the Company.
 
     Risks of Uncertain Market Acceptance.  The Company's proposed
fiber-recovery process and market approach are significantly different from
processing and disposal methods that are currently available commercially. There
is a substantial risk with any new technology that the marketplace may not
accept or be receptive to the potential benefits of such technology. Market
acceptance of the Company's proposed services and products will depend, in large
part, upon the ability of the Company to demonstrate the economic advantage of
its system over available alternatives. There can be no assurance that the
Company's services will be accepted by the pulp and paper industry, that any
products the Company may develop from the recoverable components of papermaking
residues will be accepted in their respective markets or that the Company will
be able to sell such products, if accepted, at commercially viable prices.
Failure of either the Company's technology to gain market acceptance by the pulp
and paper industry or of any such products to gain market acceptance generally
would have a material adverse effect on the business of the Company.
 
     Lack of Operating History and Management.  The Company has no operating
history other than research and development relating to its fiber-recovery
equipment and process and the business recently acquired by its GranTek
subsidiary. The Company expects to hire several additional employees within the
next year, all of whom are expected to be engaged in research and development
and/or sales and marketing. No assurance can be given that management
experienced in building a research and development or manufacturing
organization, or additional skilled personnel necessary to successfully
commercialize and expand the Company's business and operations, can be recruited
and retained. Failure of the Company to achieve these objectives would have a
material adverse effect on the business of the Company. See "Business --
Employees."
 
     Risks Associated with Protection, Defense and Use of Proprietary Technology
and Intellectual Property.  The Company holds several United States and foreign
patents relating to various aspects of the processing and use of cellulose-based
granular materials, including the processing and use of such materials as an
agricultural carrier, and Thermo Fibertek holds two United States patents and
several foreign patents, and expects to file additional United States patent
applications in the near future, relating to the "scalping" technology that is a
key component of the Company's fiber-recovery system. Although the Company has
licensed the technology covered by Thermo
 
                                        6
<PAGE>   7
 
Fibertek's patents for use in pulp and paper industry applications, the Company
does not itself hold any patents or patent applications with respect to its
pilot fiber-recovery system. Proprietary rights relating to the Company's
technology are protected from unauthorized use by third parties only to the
extent that they are covered by valid and enforceable patents or are maintained
in confidence as trade secrets. Moreover, although the Company is developing
methods to separate the various components of the residue stream for which it
believes that it may be able to obtain patent protection, there can be no
assurance that patents will issue from any pending or future patent applications
owned by or licensed to the Company or that the claims allowed under any issued
patents will be sufficiently broad to protect the Company's technology and, in
the absence of patent protection, the Company may be vulnerable to competitors
who attempt to copy the Company's services or products or gain access to its
trade secrets and know-how. Proceedings initiated by the Company to protect its
proprietary rights could result in substantial costs to the Company. There can
be no assurance that competitors of the Company will not initiate litigation to
challenge the validity of the Company's patents, or that they will not use their
resources to design comparable products that do not infringe the Company's
patents. There may also be pending or issued patents held by parties not
affiliated with the Company that relate to the Company's products or
technologies. The Company may need to acquire licenses to, or contest the
validity of, any such patents. There can be no assurance that any license
required under any such patent would be made available on acceptable terms or
that the Company would prevail in any such contest. The Company could incur
substantial costs in defending itself in suits brought against it or in suits in
which the Company may assert its patent rights against others. If the outcome of
any such litigation is unfavorable to the Company, the Company's business and
results of operations could be materially adversely affected. In addition, the
Company relies on trade secrets and proprietary know-how which it seeks to
protect, in part, by confidentiality agreements with its collaborators,
employees and consultants. There can be no assurance that these agreements will
not be breached, that the Company would have adequate remedies for any breach or
that the Company's trade secrets will not otherwise become known or be
independently developed by competitors. See "Business -- Intellectual Property."
 
     Commodity Price Risks.  The Company expects to recover high quality long
fibers from the residue streams of pulp and paper mills and to sell them back to
mills under long-term contracts. The prices at which the Company may be able to
sell such fibers will generally not be fixed over the term of the contracts and
will depend on several factors, including the prevailing prices for both
finished paper products and wastepaper from time to time. These prices tend to
be cyclical and to vary according to paper type. The Company also anticipates
that it will seek to sell other recoverable components of the residue streams,
such as fines, wastewater and minerals. The Company will be exposed to commodity
price risk during the period that it has title to these products held in
inventory. Prices of these commodities can be volatile, and no assurance can be
given that the Company will be able to sell recovered components at a profit.
 
     Future Capital Needs; Project Financing; Dependence on Capital
Markets.  The Company anticipates that the net proceeds of this offering,
together with interest income earned on such net proceeds, will constitute a
large percentage of the Company's development and initial commercialization
budgets. To the extent that the interest income on the funds generated by this
offering, together with the Company's future operating income, if any, are
insufficient to fund the development and commercialization of the Company's
fiber-recovery system, the Company may be required to raise additional funds
through public or private financings. See "Use of Proceeds." The Company's
future capital requirements will depend on many factors, including continued
progress in its research and development program, the magnitude of such program,
competing technological and market developments, the cost of manufacturing
activities and the Company's ability to market its services and products
successfully. Any equity or debt financings, if available at all, may be on
terms that are not favorable to the Company and, in the case of equity
financings, could result in dilution to the Company's stockholders. If adequate
funds are not available, the Company may be required to curtail development and
commercialization of its fiber-recovery technology.
 
     In addition, the Company expects to seek to finance each of its recovery
plants in a manner that is substantially nonrecourse to the Company. To minimize
its equity commitment, the Company will be required to borrow substantial
amounts from third party lenders. These borrowings typically would be secured
only by the recovery plant assets and/or by the capital stock of a subsidiary
operating such plant. If the Company were unable to repay the principal of, and
all interest on, such borrowings, the lender would have the right to foreclose
on, and obtain title to, such assets or capital stock. The Company anticipates
that it will require substantial financing to fund both the equity and debt
components of future plants. The ability to finance the Company's recovery
plants on a nonrecourse
 
                                        7
<PAGE>   8
 
basis will depend on a number of factors, including interest coverage ratios,
the length and terms of the Company's contracts with pulp mill customers and the
perception of technology risks by lenders. The Company has had no discussions
with potential lenders, and no assurance can be given that financing for future
plants will be available on acceptable terms, or at all. Any failure by the
Company to obtain adequate amounts of project financing on acceptable terms
would have a material adverse effect on the future growth of the Company.
 
     Competition.  The Company expects to encounter intense competition in the
sale of its services and products. The Company expects that its principal
competitors will be landfills, which currently have a collective 70% market
share in North America and approximately 40% in Europe. In addition, many pulp
mills have already made substantial investments in dewatering and drying
equipment to reduce their landfill costs. Mills are familiar with such methods
and may be reluctant to switch to a new solution unless the Company demonstrates
significant cost savings to them. Several large waste-management companies have
increased their marketing activities to provide landfill disposal services to
the pulp and paper industry. Certain competitors are seeking to develop similar
technologies and services to treat and process pulp residues. No assurance can
be given that these technologies may not be superior to those of the Company or
that they may not make the Company's technology obsolete. Some of these
competitors may have substantially greater financial, marketing and other
resources than those of the Company. As a result, they may be able to adapt more
quickly to new or emerging technologies and changes in customer requirements, or
to devote greater resources to the promotion and sale of their services and
products than the Company. There can be no assurance that the Company's current
technology, technology under development or ability to discover new technologies
will be sufficient to enable it to compete effectively with its competitors. See
"Business -- Competition."
 
     Risk of Dependence on Pulp Mill Customers.  Each of the Company's
fiber-recovery plants will rely upon long-term agreements with a single pulp
mill customer for its pulp residue and tipping fee revenue. The failure of any
one pulp mill customer to fulfill its contractual obligations could have a
substantial negative impact on the Company. No assurance can be given that a
particular pulp mill will not be unwilling or unable, at some time, to make
required payments under, or to otherwise honor, its agreements with the Company.
The Company expects that each of its commercial plants will generally occupy
approximately two acres of land to be acquired at, or immediately adjacent to, a
pulp mill. To date, the Company has not acquired any such sites, and no
assurance can be given that the Company will be able to acquire any such sites
on terms that are favorable to the Company or at all. GranTek's pulp residue is
obtained from a single paper mill located near its Wisconsin plant, under which
such mill has the exclusive right to supply such residue to GranTek's plant. The
contract terminates on December 26, 1997, subject to successive mutual two-year
extensions. Although the Company believes that GranTek's relationship with such
mill is good, no assurance can be given that such mill will agree to renew the
contract upon its termination in December 1997.
 
     Environmental and Regulatory Risks.  Federal, state and local environmental
laws govern air emissions and discharges into water, as well as the generation,
transportation, storage, treatment and disposal of solid and hazardous waste.
These laws establish standards governing most aspects of the construction and
operation of the Company's facilities, and often require multiple governmental
permits before these facilities can be constructed, modified or operated. There
can be no assurance that all required permits will be issued for the Company's
recovery plants, or that the requirements for continued permitting under
environmental regulatory laws and policies governing their enforcement may not
change, requiring new technology or stricter standards for the control of
discharges of air or water pollutants or for solid or hazardous waste handling
and disposal. Such future developments could affect the manner in which the
Company constructs and operates its plants and could require significant
additional expenditures to achieve compliance with such requirements. It is
possible that compliance may not be technically or economically feasible.
Changes in these regulations could also affect the characteristics of the waste
generated by pulp and paper mills. As a result, it is possible that disposal of
pulp residue could be accomplished in a manner that may not involve the
Company's facilities or that would require the Company to purchase pulp residue.
 
     Federal, state and local laws also frequently impose liability on the
present and former owners or operators of facilities that release hazardous
substances into the environment. Furthermore, companies may be required by law
to provide financial assurances for operating facilities in order to ensure
their performance of obligations is in compliance with applicable laws and
regulations. Similar liability may be imposed upon the generators and
transporters of waste which contains hazardous substances. In the United States,
such liability stems primarily from
 
                                        8
<PAGE>   9
 
the federal Comprehensive Environmental Response, Compensation and Liability Act
("CERCLA") and similar state equivalents, the Federal Toxic Substances Control
Act ("TSCA") and the Resource Conservation and Recovery Act of 1976 ("RCRA") and
similar state equivalents. CERCLA imposes joint and several liability for the
costs of remediation and natural resource damages on the owner or operator of a
facility from which there is a release or a threat of a release of a hazardous
substance into the environment and on the generators and transporters of those
hazardous substances. Under RCRA and equivalent state laws, regulatory
authorities may require, pursuant to administrative order or as a condition of
an operating permit, that the owner or operator of a regulated facility take
corrective action with respect to contamination resulting from past or present
operations. TSCA imposes limitations on the presence in commercial products of
polychlorinated biphenyls ("PCBs"), and on the generation, handling, storage and
disposal of PCB-containing materials, byproducts and wastes. Such laws also
require that the owner or operator of regulated facilities provide assurance
that funds will be available for the closure and post-closure care of its
facilities.
 
     GranTek emits into the atmosphere from its Green Bay, Wisconsin, facility
approximately 4.5 pounds per year of PCBs, as well as certain other hazardous
pollutants such as formaldehyde, benzene and volatile organic compounds
("VOCs"). Applicable Wisconsin regulations limit PCB emissions to 0.5 pounds per
year unless the generator can demonstrate that it is using the best available
control technology to limit emissions. GranTek has been issued an air operating
permit by the Wisconsin Department of Natural Resources (the "WDNR"). GranTek's
operating permit and its application for a new Title V operating permit both
require GranTek to reduce PCB and VOC emissions and to file bi-annual reports on
the amount of PCBs being emitted. In August 1995, GranTek submitted materials to
the WDNR asserting that no technologically or economically feasible methods to
reduce PCB or VOC emissions from its facility can be implemented at the present
time and, accordingly, requesting that GranTek be relieved of its obligation to
reduce emissions. As of the date of this Prospectus, GranTek has received no
response from the WDNR. Although the Company believes that the WDNR will accept
GranTek's findings, and although GranTek's facility is currently fully permitted
by Wisconsin regulatory authorities, no assurance can be given that the WDNR
will not require GranTek to reduce or eliminate its emissions, that such
compliance will not require the Company to make significant expenditures or that
such compliance will be technologically or economically feasible. Such
compliance may have material adverse effects on the Company's capital
expenditures, earnings and/or competitive position.
 
     The pulp residue processed by GranTek contains trace amounts of PCBs,
dioxins, furans and other metals, residual amounts of which are also found in
GranTek's BIODAC product. Although these substances are present in residual
quantities below the maximum levels currently permitted under applicable federal
and state regulations, no assurance can be given that such regulations may not
be made more stringent in the future, that pulp residue containing such
substances may not be regulated as a hazardous waste under RCRA or that federal
or state regulations may not in the future prohibit the use of materials
containing these substances in agricultural applications. Any such regulatory
changes may have material adverse effects on the Company's capital expenditures,
earnings and/or competitive position.
 
     The Company may be required as a practical matter to assume all
environmental liabilities associated with the treatment and final disposal of
all components of the pulp mills' residue stream that cannot be returned to
mills or sold elsewhere. The Company will endeavor to operate its business to
minimize its exposure to environmental liabilities. In entering into contracts
with customers, the Company will seek to maximize its insulation from
environmental liabilities associated with paper mill waste streams by
controlling the content of the waste streams it will accept and by preventing
customers from sending any waste streams containing hazardous components to the
Company's facilities. Any such disposal of hazardous waste could cause the
Company to be responsible for the clean-up or remediation of the disposal site
in the future under CERCLA, TSCA, RCRA and similar state laws. No assurance can
be given that claims for environmental liabilities may not be asserted against
the Company. See "Business -- Government Regulation."
 
     Risk of Uncertain Tax Treatment.  Due to the unique characteristics of the
Securities offered hereby, the tax treatment of the Securities is uncertain. If,
for example, the Common Stock is deemed to be indebtedness, rather than equity,
for federal income tax purposes, distributions by the Company in respect of the
Common Stock would be treated as interest and not as dividends. Investors are
urged to consult their own tax advisors with regard to an investment in the
Securities. See "Certain Federal Income Tax Consequences."
 
                                        9
<PAGE>   10
 
     Potential Conflicts of Interest.  The Company may be subject to potential
conflicts of interest from time to time as a result of its relationship with
Thermo Fibertek and Thermo Electron. For example, conflicts may arise in the
development and licensing of technology by Thermo Fibertek to the Company and
the manufacture of components of the Company's fiber-recovery systems by Thermo
Fibertek for sale to the Company. Although it is the policy of Thermo Electron
that all transactions among Thermo Electron and its subsidiaries be made on
terms comparable to those that could be obtained in an arm's-length transaction,
these negotiations will be subject to the potential conflicts associated with
related party transactions. See "Relationship with Thermo Electron and Thermo
Fibertek." For financial reporting purposes, the Company's financial results are
included in Thermo Fibertek's and Thermo Electron's consolidated financial
statements. Certain officers of the Company are also officers of Thermo
Fibertek, Thermo Electron and/or other subsidiaries of Thermo Electron. Such
officers will devote only a portion of their working time to the affairs of the
Company. Further, it is an essential element of Thermo Electron's career
development program that successful executives and managers be considered for
positions of increased responsibility anywhere within the Thermo Electron family
of companies. While the Company may also benefit from this policy, there can be
no assurance that its current executives and managers will not assume other
positions within the Thermo Electron family of companies, causing them to be
unavailable to serve the Company, or to reduce the amount of time that they
devote to the affairs of the Company. The members of the Board of Directors and
officers of the Company who are also affiliated with Thermo Fibertek or Thermo
Electron will consider not only the short-term and the long-term impact of
operating decisions on the Company, but also the impact of such decisions on the
consolidated financial results of Thermo Fibertek and Thermo Electron. In some
cases the impact of such decisions could be disadvantageous to the Company while
advantageous to Thermo Fibertek or Thermo Electron, or vice versa.
Notwithstanding the foregoing, the Directors and officers of the Company have a
fiduciary duty to the Company's shareholders under the General Corporation Law
of the State of Delaware, under which the Company is organized. The Company is
also a party to various agreements with Thermo Electron that may limit the
Company's operating flexibility. The Company and Thermo Electron have entered
into a Corporate Services Agreement under which Thermo Electron's corporate
staff provides certain administrative services to the Company in consideration
of an annual fee paid by the Company. The amount of services performed from time
to time by Thermo Electron may not be necessarily related to the amount of such
fee although management of Thermo Electron believes that such fees are
representative of the expenses the Company would incur on a stand-alone basis.
See "Relationship with Thermo Electron and Thermo Fibertek."
 
     Control by Thermo Fibertek.  The Company's shareholders do not have the
right to cumulate votes for the election of directors. Thermo Fibertek, which
will own approximately 70.9% of the voting stock of the Company after this
offering (68.0% if the Underwriters' over-allotment option is exercised in full)
and which currently intends to maintain a majority interest in the Company in
the future, has the power to elect the entire Board of Directors of the Company
and to approve or disapprove any corporate actions submitted to a vote of the
Company's shareholders. See "Relationship with Thermo Electron and Thermo
Fibertek" and "Security Ownership of Certain Beneficial Owners and Management."
 
     No Prior Public Market; No Assurance of Active Trading Markets.  Prior to
this offering, there has been no public market for the Units, for the Common
Stock or for the Redemption Rights, and there can be no assurance that active
trading markets will develop or be sustained after this offering. The offering
price for the Units was determined by negotiations between the Company and the
Representatives of the Underwriters and may not be indicative of future market
prices. See "Underwriting" for a discussion of the factors considered in
determining the offering price. Many factors, including the risk factors
contained in this Prospectus and the volatility of the overall stock market,
could have a significant impact on the future market prices of the Units, the
Common Stock and the Redemption Rights, and there can be no assurance that the
Units, the Common Stock and/or the Redemption Rights will trade at levels above
the offering price.
 
     Shares Eligible for Future Sale and the Potential Adverse Impact on the
Market Price for the Common Stock.  The 10,000,000 shares of Common Stock owned
by Thermo Fibertek will become eligible for sale under Rule 144 promulgated
under the Securities Act of 1933, as amended (the "Securities Act") commencing
in February 1998. In addition, as long as Thermo Fibertek is able to elect a
majority of the Company's Board of Directors, it will be able to cause the
Company at any time to register all or a portion of the Common Stock owned by
Thermo Fibertek under the Securities Act at any time. Thermo Fibertek and the
Company have agreed not to sell any shares of Common Stock within a 180-day
period after the date of this Prospectus without the consent of
 
                                       10
<PAGE>   11
 
the Representatives of the Underwriters, other than (i) shares of Common Stock
to be sold to the Underwriters in this offering, (ii) the issuance of options
and sales of shares of Common Stock pursuant to existing stock-based
compensation plans, (iii) shares of Common Stock which may be sold to Thermo
Fibertek, and (iv) the issuance of shares of Common Stock as consideration for
the acquisition of one or more businesses (provided that such Common Stock may
not be resold prior to the expiration of the 180-day period referenced above).
The Company has reserved 825,000 shares of Common Stock for issuance under its
stock-based compensation plans. As of August 31, 1996, options to purchase
338,000 shares of Common Stock were outstanding. Additional shares of Common
Stock issuable upon exercise of options which may be granted under the Company's
stock-based compensation plans will become available for future sale in the
public market at prescribed times. Sales of a significant number of shares of
Common Stock in the public market following this offering could adversely affect
the market price of the Common Stock. See "Shares Eligible for Future Sale,"
"Relationship with Thermo Electron and Thermo Fibertek" and "Underwriting."
 
     Immediate and Substantial Dilution.  Purchasers of the Units offered hereby
will incur an immediate and substantial dilution of $8.87 in the net tangible
book value per share of the Common Stock from the offering price. See
"Dilution."
 
     Lack of Dividends.  The Company has never paid any cash dividends on its
Common Stock. The Board of Directors anticipates that for the foreseeable future
the Company's earnings, if any, will be retained for use in the business and
that no cash dividends will be paid on the Common Stock.
 
                                       11
<PAGE>   12
 
                                  THE COMPANY
 
     The Company operated as a division of Thermo Fibertek beginning on December
29, 1991 until its incorporation as a Delaware corporation in February 1996. In
connection with the Company's incorporation, Thermo Fibertek transferred to the
Company a license to use certain technology and its business relating to the
development of the Company's fiber-recovery system for use in the pulp and paper
industries, together with $12,500,000 in cash, in exchange for 10,000,000 shares
of the Company's Common Stock. The Company's principal executive offices are
located at 8 Alfred Circle, Bedford, Massachusetts 01730, and its telephone
number is (617) 275-3600.
 
                                USE OF PROCEEDS
 
     The net proceeds to the Company from the sale of the Units offered by the
Company pursuant to this offering are estimated to be $48,497,000 ($55,828,000
if the Underwriters' over-allotment option is exercised in full), after
deducting underwriting discounts and commissions and estimated offering
expenses.
 
     The Company currently intends to limit the pace and amount of its research
and development on both its fiber-recovery system and on new products, if any,
which may be developed from recovered fibers and other components of pulp
residue so that its internally funded research and development expenditures will
be approximately equivalent to the interest or dividend income earned on its
cash balances, including the net proceeds of this offering, plus the Company's
operating earnings, if any. To generate such income, and pending the use of such
cash balances for other purposes described below, the Company expects to invest
such net proceeds primarily in investment grade interest or dividend bearing
instruments, either directly by the Company or pursuant to a repurchase
agreement with Thermo Electron. See "Relationship with Thermo Electron and
Thermo Fibertek." Based on current conditions, the Company estimates that it
will spend between $2,500,000 and $3,500,000 on such research and development
annually over the next four years.
 
     The Company currently expects that, in the future, it will use between 90%
and 100% of the net proceeds of the offering to fund the commercialization of
its fiber-recovery system. Although the Company expects to spend between
$1,500,000 and $2,500,000 of such net proceeds to fund its equity contribution
toward the construction of its first commercial recovery plant employing its
fiber-recovery technology, which construction is expected to begin in late 1997,
the Company has no specific plan to construct a particular number of such
plants. The actual amount of such net proceeds which the Company will use to
construct such plants will depend on, among other factors, the number of plants
constructed, the rate at which such plants are constructed and the Company's
success, if any, at obtaining financing for all or a portion of such plants from
third party lenders. See "Risk Factors -- Future Capital Needs; Project
Financing; Dependence on Capital Markets." Accordingly, no assurance can be
given that the Company will not spend substantially more or less than it has
estimated to commercialize its fiber-recovery technology. While the Company will
conduct research and development on several products that may in the future be
produced from the components of pulp residues, the Company expects to fund the
commercialization of such products from its cash flow, if any, or other sources,
and does not currently expect to use any of the net proceeds of this offering to
commericalize such products. See "Risk Factors -- Uncertainty of Product
Development." However, depending on the Company's experience with respect to its
research and development and in commercializing its fiber-recovery technology,
no assurance can be given that the Company may not decide to accelerate the
timing of such expenditures or that a portion of such expenditures may not be
made from the net proceeds of this offering.
 
     The Company expects to use the balance of the net proceeds of this offering
for general corporate purposes, including the possible acquisition of one or
more technologies or businesses that complement the Company's strategy. The
Company currently has no commitments or agreements in principle, and is not
currently involved in any discussions, with respect to any such acquisition.
 
                                DIVIDEND POLICY
 
     The Company anticipates that for the foreseeable future the Company's
earnings, if any, will be retained for use in the business and that no cash
dividends will be paid on the Common Stock.
 
                                       12
<PAGE>   13
 
                                 CAPITALIZATION

<TABLE>
     The following table sets forth the capitalization of the Company as of June
29, 1996, (i) stated on a pro forma basis to reflect the July 3, 1996
acquisition of substantially all of the assets, subject to certain liabilities
of GT/ELI, and (ii) as adjusted to reflect the issuance and sale of the Units
offered hereby, after deducting underwriting discounts and commissions and
estimated offering expenses payable by the Company.
 
<CAPTION>
                                                                                  JUNE 29, 1996
                                                                            --------------------------
                                                                            PRO FORMA
                                                                             COMBINED      AS ADJUSTED
                                                                            ----------     -----------
                                                                                  (IN THOUSANDS,
                                                                              EXCEPT SHARE AMOUNTS)
<S>                                                                          <C>             <C>
Common Stock Subject to Redemption ($52,275 redemption value as
  adjusted); 4,100,000 shares issued and outstanding as adjusted........     $    --         $48,497
                                                                             -------         -------
Shareholder's Investment:
     Common stock, $.01 par value, 25,000,000 shares authorized;
      10,000,000 shares issued and outstanding(1).......................         100             100
     Capital in excess of par value.....................................      12,400          12,400
     Deficit accumulated during the development stage subsequent to
      capitalization of the Company.....................................        (187)           (187)
                                                                             -------         -------
          Total Shareholder's Investment................................      12,313          12,313
                                                                             -------         -------
               Total Capitalization (Common Stock Subject to Redemption
                and Shareholder's Investment)...........................     $12,313         $60,810
                                                                             =======         =======
<FN> 
- ---------------
 
(1) Does not include 825,000 shares of Common Stock reserved for issuance under
    the Company's stock-based compensation plans. As of August 31, 1996, options
    to purchase 338,000 shares of Common Stock had been granted and were
    outstanding under these plans. See "Management -- Compensation of Directors"
    and "-- Compensation of Executive Officers" and Note 5 of Notes to Financial
    Statements of the Company.
</TABLE>
 
                                       13
<PAGE>   14
 
                                    DILUTION
<TABLE>
     As of June 29, 1996, the Company had a net tangible book value of
$6,251,000, or $.63 per share, stated on a pro forma basis to reflect the July
3, 1996 acquisition of GT/ELI (see pro forma combined condensed balance sheet
included elsewhere in this Prospectus). Net tangible book value per share is
determined by dividing net tangible book value (total tangible assets less total
liabilities) of the Company by the number of shares of Common Stock outstanding.
After giving effect to the sale by the Company of 4,100,000 Units offered hereby
and the receipt of the estimated net proceeds therefrom, the pro forma net
tangible book value of the Common Stock as of June 29, 1996 would have been
$54,748,000, or $3.88 per share. This represents an immediate increase in net
tangible book value of $3.25 per share to the existing shareholder and an
immediate dilution in net tangible book value of $8.87 per share to investors
purchasing Units in this offering. See "Risk Factors -- Immediate and
Substantial Dilution." The following table illustrates this per share dilution:
 
     <S>                                                                      <C>       <C>
     Assumed price to public...............................................             $12.75
                                                                                        ------
          Pro forma net tangible book value per share as of June 29, 1996,
           before offering.................................................   $ .63
                                                                              -----
          Increase in net tangible book value per share attributable to
           payments by new investors.......................................    3.25
                                                                              -----
     Pro forma net tangible book value per share as of June 29, 1996, after
       offering(1)(2)(3)...................................................               3.88
                                                                                        ------
     Dilution per share to new investors(1)................................             $ 8.87
                                                                                        ======
<FN> 
- ---------------
(1) If the Underwriters' over-allotment option were exercised in full, the pro
    forma net tangible book value per share after the offering would be $4.22,
    resulting in an immediate dilution of $8.53 per share to investors
    purchasing Units in this offering.
 
(2) If all options outstanding at August 31, 1996 to purchase an aggregate of
    338,000 shares of Common Stock at $10.00 per share were exercised in full,
    in addition to the Underwriters' exercise of the overallotment option, the
    pro forma net tangible book value per share after the offering would be
    $4.35, resulting in an immediate dilution of $8.40 per share to investors
    purchasing shares in this Offering.
 
(3) Pro forma net tangible book value per share after the offering is calculated
    assuming the redemption rights have expired and, therefore, assuming the
    Common Stock Subject to Redemption would be transferred to Shareholder's
    Investment.
</TABLE>

<TABLE>
     The following table sets forth on a pro forma basis as of June 29, 1996,
the differences between Thermo Fibertek, the present shareholder, and new
investors with respect to the number of shares of Common Stock acquired, the
total consideration paid and the average consideration paid per share:
 
<CAPTION>
                                                SHARES PURCHASED          TOTAL CONSIDERATION        AVERAGE
                                             ----------------------     -----------------------     PRICE PER
                                               NUMBER       PERCENT       AMOUNT        PERCENT       SHARE
                                             ----------     -------     -----------     -------     ---------
<S>                                          <C>             <C>        <C>              <C>         <C>
Thermo Fibertek(1).........................  10,000,000       70.9%     $12,500,000       19.3%      $ 1.25
New Investors..............................   4,100,000       29.1       52,275,000       80.7        12.75
                                             ----------      -----      -----------      -----
     Total.................................  14,100,000      100.0%     $64,775,000      100.0%
                                             ==========      =====      ===========      =====
<FN> 
- ---------------
(1) Represents the book value of net assets, together with $12,500,000 in cash,
    transferred by Thermo Fibertek to the Company in exchange for 10,000,000
    shares of the Company's Common Stock.
</TABLE>
 
                                       14
<PAGE>   15
 
                         SELECTED FINANCIAL INFORMATION

<TABLE>
     The selected financial information presented below for the fiscal year
ended January 1, 1994 and as of and for the fiscal years ended December 31, 1994
and December 30, 1995 has been derived from the Company's Financial Statements,
which have been audited by Arthur Andersen LLP, independent public accountants,
as indicated in their report included elsewhere in this Prospectus. This
information should be read in conjunction with the financial statements and
related notes included elsewhere in this Prospectus. The selected financial
information as of and for the fiscal year ended January 2, 1993, as of January
1, 1994, and as of and for the six-month periods ended July 1, 1995 and June 29,
1996, has not been audited but, in the opinion of the Company, includes all
adjustments (consisting only of normal, recurring adjustments) necessary to
present fairly such information in accordance with generally accepted accounting
principles applied on a consistent basis. Results for the six-month period ended
June 29, 1996 are not necessarily indicative of results for the entire year.
 
<CAPTION>
                                                                                                                  PRO FORMA
                                                                                                                COMBINED(1)(2)
                                                                                                             --------------------
                                                                                          SIX MONTHS         TWELVE       SIX
                                                                                           ENDED(1)          MONTHS      MONTHS
                                                          FISCAL YEAR                 -------------------     ENDED       ENDED
                                             -------------------------------------    JULY 1,    JUNE 29,    DEC. 30,    JUNE 29,
                                             1992(1)     1993      1994      1995      1995        1996        1995        1996
                                             -------    ------    ------    ------    -------    --------    --------    --------
                                                                   (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                          <C>        <C>       <C>       <C>       <C>        <C>          <C>         <C>
STATEMENT OF OPERATIONS DATA:
Revenues...................................  $  --      $  --     $  --     $  --     $  --       $ --        $ 4,233     $ 3,154
                                             -------    -------   -------   -------   -------     -------     -------     -------
Costs and Operating Expenses:
  Cost of revenues.........................     --         --        --        --        --         --          3,241       2,083
  Selling, general and administrative
    expenses...............................     --         --        --        --        --         --          1,082         986
  Research and development expenses........      147        106       128       601       276         548         904         637
  Patent litigation expenses...............     --         --        --        --        --         --          1,654         290
                                             -------    -------   -------   -------   -------     -------     -------     -------
                                                 147        106       128       601       276         548       6,881       3,996
                                             -------    -------   -------   -------   -------     -------     -------     -------
Operating Loss.............................     (147)      (106)     (128)     (601)     (276)       (548)     (2,648)       (842)
Interest Income (Expense)..................     --         --        --        --        --           267      (1,469)          4
Other Income...............................     --         --        --        --        --         --          --            700
                                             -------    -------   -------   -------   -------     -------     -------     -------
Loss Before Income Taxes...................     (147)      (106)     (128)     (601)     (276)       (281)     (4,117)       (138)
Income Taxes...............................     --         --        --        --        --         --          --          --
                                             -------    -------   -------   -------   -------     -------     -------     -------
Net Loss...................................  $  (147)   $  (106)  $  (128)  $  (601)  $  (276)    $  (281)    $(4,117)    $  (138)
                                             =======    =======   =======   =======   =======     =======     =======     =======
Loss per Share(3)..........................  $  (.01)   $  (.01)  $  (.01)  $  (.06)  $  (.03)    $  (.03)    $  (.41)    $  (.01)
                                             =======    =======   =======   =======   =======     =======     =======     =======
Weighted Average Shares(3).................   10,073     10,073    10,073    10,073    10,073      10,073      10,073      10,073
                                             =======    =======   =======   =======   =======     =======     =======     =======
BALANCE SHEET DATA (AT END OF PERIOD):
  Working Capital..........................  $  --      $  --     $  --     $  --     $  --       $12,083                 $   359
  Total Assets.............................     --         --        --        --        --        12,760                  13,659
  Shareholder's Investment.................     --         --        --        --        --        12,313                  12,313

<FN> 
- ---------------
 
(1) Derived from unaudited financial statements.
 
(2) The pro forma combined statement of operations data was derived from the pro
    forma combined condensed statements of operations included elsewhere in this
    Prospectus. The pro forma combined statement of operations data sets forth
    the results of operations for the twelve months ended December 30, 1995 and
    the six months ended June 29, 1996, as if the acquisition of substantially
    all of the assets, subject to certain liabilities, of GT/ELI had occurred on
    January 1, 1995. The pro forma combined balance sheet data is derived from
    the pro forma combined condensed balance sheet included elsewhere in this
    Prospectus, which was prepared as if the acquisition of substantially all of
    the assets, subject to certain liabilities, of GT/ELI had occurred on June
    29, 1996.
 
(3) Pursuant to Securities and Exchange Commission requirements, loss per share
    has been presented for all periods. Weighted average shares for all periods
    include 10,000,000 shares issued to Thermo Fibertek in connection with the
    capitalization of the Company and the effect of the assumed exercise of
    stock options issued within one year prior to the Company's initial public
    offering.
</TABLE>

 
                                       15
<PAGE>   16
 
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
      OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF THERMO FIBERGEN
 
OVERVIEW
 
     The Company operated as a division of Thermo Fibertek beginning December
29, 1991 until its incorporation in February 1996. Prior to its acquisition of
GT/ELI, the Company was in the development stage and its principal business
consisted of conducting research and development for the development and
commercialization of equipment and systems to recover valuable materials from
pulp residue generated by plants that produce recycled pulp and paper.
 
RESULTS OF OPERATIONS
 
  First Six Months Ended June 29, 1996 Compared With First Six Months Ended July
1, 1995
 
     No revenues were recorded during either period as the Company was in the
development stage, and its principal business consisted of conducting research
and development associated with the development of the Company's fiber-recovery
system.
 
     Research and development expenses increased to $548,000 in the first six
months of 1996 from $276,000 in the corresponding period in 1995 due to the
acceleration of the Company's research and development efforts associated with
the development of the Company's fiber-recovery system. The Company expects that
its spending on research and development will continue to increase.
 
     Interest income in the first six months of 1996 represents interest earned
on cash received in connection with the initial capitalization of the Company in
February 1996.
 
  1995 Compared With 1994
 
     No revenues were recorded during either period as the Company was in the
development stage, and its principal business consisted of conducting research
and development associated with the development of the Company's fiber-recovery
system.
 
     Research and development expenses increased to $601,000 in 1995 from
$128,000 in 1994 due to the acceleration of the Company's research and
development efforts associated with the development of the Company's
fiber-recovery system, increased personnel and higher engineering consulting
expenses.
 
  1994 Compared With 1993
 
     No revenues were recorded during either period as the Company was in the
development stage, and its principal business consisted of conducting research
and development associated with the development of the Company's fiber-recovery
system.
 
     Research and development expenses increased to $128,000 in 1994 from
$106,000 in 1993 due to the acceleration of the Company's research and
development efforts associated with the development of the Company's
fiber-recovery system.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     Working capital was $12,083,000 at June 29, 1996, compared with no working
capital at December 30, 1995. During the six months ended June 29, 1996,
$260,000 was used in operating activities. In connection with the capitalization
of the Company on February 12, 1996, Thermo Fibertek transferred $12,500,000 in
cash to the Company. During the first six months of 1996, the Company expended
$219,000 for purchases of machinery and equipment. In the remainder of 1996, the
Company plans to make capital expenditures of approximately $900,000.
 
     On July 3, 1996, the Company's GranTek subsidiary acquired substantially
all of the assets, subject to certain liabilities, of GT/ELI for approximately
$12,000,000 in cash, subject to a post-closing adjustment based upon the net
asset value of GT/ELI as of the closing date.
 
                                       16
<PAGE>   17
 
     Working capital at June 29, 1996, on a pro forma basis, assuming the
acquisition of the net assets of GT/ELI had occurred on that date, would have
been $359,000. (See the pro forma combined condensed balance sheet included
elsewhere in this Prospectus.)
 
     The Company anticipates it will require significant amounts of cash to
complete the commercialization of its fiber-recovery system and to pursue the
acquisition of complementary businesses and technologies. The Company expects
that it will finance such acquired businesses through a combination of internal
funds, including the net proceeds from the sale of Units offered hereby,
additional debt or equity financing and/or short-term borrowings from Thermo
Fibertek and Thermo Electron, although there is no agreement with Thermo
Fibertek or Thermo Electron under which such parties would be obligated to lend
funds to the Company. The Company believes that its existing resources, together
with the proceeds from this offering, will be sufficient to meet the Company's
capital requirements for at least the next 24 months.
 
                                       17
<PAGE>   18
 
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
           OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF GT/ELI
 
OVERVIEW
 
     GT/ELI was 100% owned by Henry Edward Lowe Amended and Restated Irrevocable
Trust through July 2, 1996. Substantially all of the assets, subject to certain
liabilities of GT and Biodac were acquired by Thermo Fibergen Inc. on July 3,
1996. GT produced, from paper mill residue, cellulosic based granules, sold
under the trade name BIODAC, for agricultural, lawn and garden markets. Biodac,
under an agreement with GT, was the sole distributor and marketer of GT
manufactured products.
 
RESULTS OF OPERATIONS
 
  Nine Months Ended June 30, 1996 Compared With Nine Months Ended June 30, 1995
 
     Revenues increased 17% to $4,325,000 in the nine months ended June 30, 1996
from $3,711,000 in the nine months ended June 30, 1995. Revenues increased
primarily due to an increase in sales volume in 1996, offset in part by the
effect of a change in sales mix and a price decrease on sales to a significant
customer resulting from the negotiation of a long-term contract (see Note 5 to
Notes of GT/ELI Combined Financial Statements).
 
     The gross profit margin was 30% in the nine months ended June 30, 1996
compared with 35% in the nine months ended June 30, 1995. The decrease in
margins was principally due to a change in sales mix and an unfavorable impact
from an increase in natural gas rates in 1996. These decreases were offset in
part by the effect of an increase in sales volume, as a substantial portion of
production costs are fixed.
 
     Selling, general and administrative expenses as a percentage of revenues
increased to 23% in the nine months ended June 30, 1996 from 15% in the nine
months ended June 30, 1995. The increase resulted primarily from $313,000 in
legal and accounting costs associated with the sale of GT/ELI, offset in part by
the effect of an increase in revenues.
 
     Patent litigation expenses increased to $1,130,000 in the nine months ended
June 30, 1996 from $654,000 in the nine months ended June 30, 1995. The patent
infringement lawsuit was settled in 1996, and a gain of $700,000 from the
settlement of the lawsuit was recorded as other income in the nine months ended
June 30, 1996. See Note 6 of Notes to GT/ELI Combined Financial Statements.
 
     Research and development expenses decreased to $139,000 in the nine months
ended June 30, 1996 from $217,000 in the nine months ended June 30, 1995,
principally due to a decrease in design costs relating to equipment development
expenses.
 
     Interest expense during the nine months ended June 30, 1995 related to
shareholder debt which was contributed to additional paid-in capital in
September 1995.
 
     GT/ELI is taxed as an S Corporation under the Internal Revenue Code and
similar sections of state income tax laws (where applicable) and therefore, a
provision for income taxes was not recorded.
 
  Twelve Months Ended September 30, 1995 Compared With Twelve Months Ended
September 30, 1994
 
     Revenues increased 15% to $4,233,000 in the twelve months ended September
30, 1995 from $3,670,000 in the twelve months ended September 30, 1994. Revenues
increased due primarily to an increase in sales to a significant customer. In
1994, the customer had reduced its level of purchases as a result of the
relocation of its production facility.
 
     The gross profit margin was 25% in the twelve months ended September 30,
1995 compared with 12% in the twelve months ended September 30, 1994. Increased
margins resulted principally from the effect of an increase in sales volume, as
a substantial portion of production costs are fixed, and a favorable impact from
a decrease in natural gas rates in 1995, offset in part by a write-off of
$150,000 of obsolete inventory in 1995.
 
     Selling, general and administrative expenses as a percentage of revenues
decreased to 18% in the twelve months ended September 30, 1995 from 27% in the
twelve months ended September 30, 1994, primarily due to the effect of
 
                                       18
<PAGE>   19
 
an increase in revenues. GT/ELI incurred patent infringement lawsuit expenses of
$1,654,000 in 1995. Research and development expenses remained relatively
unchanged at $303,000 in the twelve months ended September 30, 1995, compared
with $281,000 in the twelve months ended September 30, 1994.
 
     Interest expense increased to $1,469,000 in the twelve months ended
September 30, 1995 from $1,140,000 in the twelve months ended September 30, 1994
due to an increase in the interest rate on GT/ELI's note payable to shareholder
from 1994 to 1995.
 
  Twelve Months Ended September 30, 1994 Compared With Twelve Months Ended
September 30, 1993
 
     Revenues decreased to $3,670,000 in the twelve months ended September 30,
1994 from $4,709,000 in the twelve months ended September 30, 1993. Revenues
decreased due primarily to a decrease in sales to a significant customer. In
1994, the customer had reduced its level of purchases as a result of the
relocation of its production facility.
 
     The gross profit margin was 12% in the twelve months ended September 30,
1994 compared with 30% in the twelve months ended September 30, 1993. Margins
decreased primarily due to a decrease in sales volume, as a substantial portion
of production costs are fixed.
 
     Selling, general and administrative expenses as a percentage of revenues
increased to 27% in the twelve months ended September 30, 1994 from 21% in the
twelve months ended September 30, 1993, due primarily to a decrease in revenues.
Research and development expenses decreased to $281,000 in the twelve months
ended September 30, 1994 from $367,000 in the twelve months ended September 30,
1993, due primarily to decreased expenditures for development of plant and
equipment.
 
     Interest expense increased to $1,140,000 in the twelve months ended
September 30, 1994 from $1,042,000 in the twelve months ended September 30, 1993
primarily due to an increase in the interest rate on GT/ELI's note payable to
shareholder from 1993 to 1994.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     Combined working capital was $469,000 at June 30, 1996, compared with
negative working capital of $197,000 at September 30, 1995. Included in working
capital is cash of $50,000 at June 30, 1996, compared with $43,000 at September
30, 1995. During the nine months ended June 30, 1996, the Company used $73,000
of cash for operating activities. Cash provided by operating activities for the
nine months ended June 30, 1996 was more than offset by a decrease in accrued
legal expenses as the result of settlement of GT/ELI's patent infringement
lawsuit and an increase in accounts receivable resulting primarily from a
significant amount of sales occurring in June 1996.
 
     During the nine months ended June 30, 1996, the Company expended $77,000
for the purchase of property, plant and equipment.
 
     In July 1996, substantially all of the assets, subject to certain
liabilities, of GT/ELI were acquired by Thermo Fibergen for approximately
$12,000,000 in cash, subject to a post-closing adjustment. See Note 7 of Notes
to GT/ELI Combined Financial Statements.
 
                                       19
<PAGE>   20
 
                                    BUSINESS
 
     The Company was established as a subsidiary of Thermo Fibertek to develop
and commercialize equipment and systems to recover valuable materials from
increasing volumes of pulp residue generated by plants that produce recycled
pulp and paper. The Company intends to finance, build and operate recovery
plants on sites at, or immediately adjacent to, recycled pulp mills, employing a
proprietary process to treat pulp residue. The Company's plants will recover and
clean long cellulose fibers for resale to pulp mills and will process the
remaining recoverable components of pulp residue, such as fines (very short
fibers not usable for papermaking) and minerals, into saleable products. On July
3, 1996, the Company's wholly owned GranTek subsidiary acquired substantially
all of the assets, subject to certain liabilities, of GT/ELI for approximately
$12,000,000 in cash, subject to a post-closing adjustment. GranTek employs
patented technology to produce absorbent granules from pulp residue. These
granules, marketed under the trade name BIODAC, are currently used as a carrier
to deliver chemicals for agricultural, lawn and garden, and other needs.
GranTek's Green Bay, Wisconsin, plant currently produces more than 30,000 tons
of BIODAC per year.
 
     The Company's strategy is to generate revenues from several sources. First,
the Company will seek to enter into long-term contracts with pulp and paper
mills under which the Company will charge the customer a tipping fee to accept
the customer's pulp residue. Second, the Company intends to sell much of the
clean long fibers it recovers directly back to the customer for use in the
papermaking process. The Company has not yet begun to recover long fibers; as
described below, the Company expects to begin construction of its first
commercial recovery plant employing its long fiber-recovery technology in 1997.
Third, the Company will apply existing technologies, such as its granulation
technologies, and expects to develop new technologies, to maximize the value of
the other recoverable components of the pulp residue, such as fines and
minerals, for sale into other markets. For example, the Company believes that
GranTek's technology can be used to produce granules for oil and grease
absorbents as well as for specialty absorbents, such as for the cat box filler
market.
 
     The Company is actively developing a process to recover long fibers from
pulp residue, and has completed the construction of a mobile pilot recovery
system which the Company is using for initial mill demonstrations of its
fiber-recovery process. The Company expects that its first commercial plants
will feature only GranTek's technology to process pulp residue into absorbent
granules. The Company's strategy is to introduce this technology to pulp mill
customers, to enter into long-term contracts with such customers and to
construct its plants, and then, upon the completion of development, to retrofit
existing GranTek plants with the Company's long fiber-recovery technology. The
Company will also explore the construction of plants in certain niche markets
that may feature only the Company's long fiber-recovery technology.
 
     The Company was established as a wholly owned subsidiary of Thermo Fibertek
in February 1996. Following this offering, Thermo Fibertek will own
approximately 70.9% of the outstanding Common Stock of the Company
(approximately 68.0% if the Underwriters' over-allotment option is exercised in
full).
 
INDUSTRY BACKGROUND
 
     Paper is composed primarily of a mat of cellulose fibers. The fiber mat is
created from a pulp of either virgin cellulose materials such as wood, or from
recovered cellulose materials such as wastepaper. The principal goal of
converting wastepaper into a fiber slurry that can be used in conventional
papermaking machines is the removal of debris and impurities. This stock
preparation process involves multiple steps, including screening, de-inking and
washing. At the completion of the stock preparation process, the slurry is ready
for introduction into a standard papermaking machine. Fiber that would otherwise
be used to make recycled paper is lost at each step of the stock preparation
process. In total, approximately 25% of the recycled fiber entering a pulp mill
is lost in the process, contributing to approximately eight times more waste
when using recycled pulp than when using virgin pulp, all of which must be
disposed of at a substantial cost. Moreover, the substantial increase in the
waste stream is expected to correspondingly reduce the useful life of pulp and
paper mills' existing landfills. The Company believes, therefore, that the
increasing use of recycled pulp will generate corresponding pressures on these
mills to seek new solutions for their waste residue problems.
 
     Environmental concerns and other factors in recent years have resulted in
the production of paper from recovered materials growing at a much faster rate
than production from virgin pulp. The use of wastepaper as a raw
 
                                       20
<PAGE>   21
 
material has already surpassed the use of virgin cellulose in some parts of the
world. The Company believes that in 1994 close to 35% of the world's paper
contained recycled fibers, up from 25% in 1980.
 
     Pulp residue has historically been disposed of in landfills, particularly
in North America. As it leaves the pulp machine, the residue is composed of
approximately 98% water and 2% solids. After adding polymer flocculants to
clarify the water content and forcing the residue through a belt press and other
equipment to reduce the water content to approximately 65%, most pulp mills in
the United States dispose of this residue in privately owned landfills at an
average fully burdened cost of approximately $100 per ton. This figure includes
the cost to operate the press and other equipment that removes water content;
the cost of the polymer flocculant; transportation costs; and actual landfill
costs. In certain parts of Europe and in Japan, landfill tipping fees and
transportation costs are several times those in the United States, due to
stricter regulations and limited landfill space. In addition, although some
residue is incinerated, the Company believes that compliance with increasingly
strict emissions standards under the United States Clean Air Act and similar
state and local laws is making this alternative less attractive. Moreover, the
ash resulting from incineration, which may weigh as much as one-half of the
pre-incinerated residue, remains to be disposed of at an additional cost.
 
     The Company believes the North American pulp and paper industry spent an
estimated $900 million to treat and dispose of approximately 9 million tons of
pulp residue in 1993. This volume represented the equivalent of approximately
10% of all of the municipal solid waste generated in the United States in 1993.
The Company believes that worldwide expenditures to treat and dispose of pulp
residue in 1993 were approximately $2.5 billion.
 
     The Company believes that several factors will cause the costs of disposing
of pulp residue in landfills, particularly in Europe and Asia, to increase in
the future. First, as the demand for recycled fiber increases, mills are tending
to use lower-quality wastepaper, while still attempting to produce the
high-grade pulp necessary to make high-quality recycled paper with the strength
and brightness of virgin paper. Lower-quality paper requires additional
processing, which results in still further increases in the volume of residue
generated to produce the same amount of recycled paper. Second, due to the
relatively larger waste streams generated from using recycled fiber compared to
those of virgin fiber, the Company believes that pulp and paper companies'
existing landfill space will be consumed more rapidly than originally expected.
Third, landfills are increasingly the subject of federal and state regulations,
such as Subtitle D of the Federal Resource Conservation and Recovery Act of 1976
("RCRA"), which imposes numerous requirements on new landfills, including the
requirement that they be lined. These regulatory burdens, coupled with the
difficulty in siting new landfills due to community opposition, will continue to
make landfilling an increasingly expensive option for pulp and paper mills. As a
result of these factors, pulp and paper mills are increasingly seeking
alternative methods to solve their disposal problems.
 
STRATEGY
 
  The Fibergen Process
 
     The Company's recovery and manufacturing process begins at the recycled
pulp mill, which is expected to pump its residue to a plant owned and operated
by the Company on a site at, or immediately adjacent to, the mill. To date, the
Company has not acquired any such sites, and no assurance can be given that the
Company will be able to acquire any such sites on terms that are favorable to
the Company or at all. The Company expects that its commercial plants will
generally consist of a single steel-shell building constructed on a concrete
pad, occupying approximately two acres of land. The Company intends first to
employ a proprietary process to recover and clean the long cellulose fibers, and
to sell much of the clean long fibers it recovers directly back to the customer
for use in the papermaking process. A key component of the Company's
fiber-recovery system is a product that will utilize a proprietary "scalping"
technology under development by Thermo Fibertek. Scalpers currently manufactured
by Thermo Fibertek are already being used to recover reusable paper fibers from
waste streams. At one mill, these scalpers recovered more than 15 tons per day
of reusable fiber from a waste stream of approximately 50 tons per day. The
principal component of the scalpers to be acquired from Thermo Fibertek is
steel. The Company believes such steel, as well as the other components of such
scalpers, to be widely available.
 
     The Company will then process the remaining fibers and minerals into
saleable products, such as BIODAC, for use in the agricultural carrier, oil and
grease absorbent, cat box filler and other markets. Employing GranTek's
proprietary granulation technology, after the long fibers are removed, the
remaining residue is dried and processed into granules of optimum bulk density
for use in a variety of agricultural, lawn and garden, and industrial needs.
 
                                       21
<PAGE>   22
 
GranTek's granulation technology can also process long fibers into BIODAC at
plants in which the Company elects not to deploy its long fiber-recovery
technology.
 
                                  [GRAPHIC]
                             THE FIBERGEN PROCESS

  Sources of Revenue
 
     The Company's strategy is to generate revenues from several sources.
 
     Tipping Fees.  The Company will seek to enter into long-term contracts with
pulp and paper mills under which the Company will charge the customer a tipping
fee to accept the customer's pulp residue. The Company anticipates that the
tipping fees it receives will generally be competitive with the mills' current
disposal costs. The Company believes that pulp mills will prefer to dispose of
their residue streams by paying the Company a tipping fee for a number of
reasons. Disposal of residue with the Company will provide pulp mills with a
long-term disposal solution and will eliminate concerns over long-term capacity
constraints at their landfills; will relieve the pulp mills of the
responsibility of complying with changing treatment and disposal regulations;
and will allow pulp mills to reduce their capital investments in dewatering and
treatment equipment, and to focus their resources on the actual manufacture of
paper.
 
     Sale of Recovered Long Fibers.  The Company intends to sell much of the
clean long fibers it recovers directly back to the customer for use in the
papermaking process. Long fibers may also be sold to mills other than those from
which they originated, and may be sold for non-papermaking uses, such as for
chip board and other composite building materials. The Company believes that the
direct access to clean long fiber will benefit the customer by further reducing
the customer's operating costs, and will benefit the Company by providing a
second source of revenue and reducing the Company's final disposal costs. The
prices at which the Company may be able to sell the clean long fibers to mills
will depend on several factors, including the cleanliness of the recovered fiber
and the prevailing prices for recycled pulp and wastepaper. These prices tend to
be cyclical and to vary according to paper type.
 
     Sale of Other Recoverable Components.  The Company will apply existing
technologies, such as its granulation technologies, and expects to develop new
technologies, to maximize the value of the other recoverable components of the
pulp residue, such as fines and minerals, for sale into other markets. The
business recently acquired by the Company's GranTek subsidiary complements the
Company's approach of developing new markets for the components of pulp residue.
GranTek has developed and patented a technology to produce premium absorbent
granules from such residue. These granules, marketed under the trade name
BIODAC, are sold in bulk to chemical companies for use as a carrier to deliver
chemicals for agricultural, lawn and garden, and other needs. The Company
intends to further develop GranTek's technology to produce granules for oil and
grease absorbents as well as for specialty absorbents, such as for the cat box
filler market. The Company's strategy is to integrate GranTek's process into its
fiber-recovery plants, allowing the Company to recover long cellulose fibers and
to granulate fibers and minerals into products to meet a variety of
agricultural, lawn and garden, and industrial needs.
 
                                       22
<PAGE>   23
 
  Site Development
 
     According to industry sources, there are approximately 100 recycled pulp
mills in the United States. The Company believes that there are at least as many
such mills in Europe and that the trend is for additional such mills to be built
in the future. The Company intends to select sites for its first plants based on
identified criteria, such as the volume, quality and composition of the
customer's residue stream; the cost and availability of alternative disposal
methods; regional disposal fees; access to markets for the recovered components;
and the local regulatory environment and community concerns. The Company will
tend to focus its efforts on niche areas in which disposal and/or transportation
costs are relatively high. Although the Company will evaluate opportunities
worldwide, it currently expects that its first plants will be located in
selected areas of Europe and the United States. The Company expects to focus its
development efforts in Germany, where landfill costs in certain areas can be as
high as $560 per ton. Moreover, the federal government of Germany has recently
enacted legislation that will prohibit, after 2005, the landfilling of any
substance with a liquid or organic content in excess of 5%. This legislation,
which is being replicated on an accelerated basis at the local level in several
regions of Germany, would in effect prohibit the disposal of papermaking residue
in landfills. The Company anticipates that it will construct subsequent plants
in other European locations, where landfill costs are also higher, and the
environmental laws more restrictive, than in the United States.
 
     The Company expects to seek to finance each of its recovery plants on a
substantially nonrecourse basis through borrowings from third party lenders.
These borrowings typically would be secured only by the recovery plant assets
and/or by the capital stock of a subsidiary operating such plant. See "Risk
Factors -- Future Capital Needs; Project Financing; Dependence on Capital
Markets." The development of each site will require the Company to obtain
numerous approvals, licenses and permits. Adverse decisions by governmental
authorities with respect to permit applications submitted by the Company may
result in abandonment or delay of proposed projects. Because the Company will
generally be seeking permits to operate its facilities on or adjacent to
permitted pulp and paper mills, however, and because the Company will be
reducing or eliminating the pulp residue that would otherwise be landfilled or
incinerated, the Company believes that it will generally be able to obtain such
permits without undue difficulty. See " --Government Regulation," below, and
"Risk Factors -- Environmental and Regulatory Risks."
 
  End-Use Markets
 
     The Company currently produces BIODAC, an agricultural carrier that is
virtually dust-free and is uniform in particle size, absorptivity and bulk
density. BIODAC is chemically neutral to a range of pesticides and breaks down
into elements naturally occurring in the soil. BIODAC is sold in bulk to
chemical companies for use as a carrier to deliver chemicals for agricultural,
lawn and garden, and other needs. In 1995, one such chemical company, Monsanto
Solaris Group ("Solaris"), accounted for 47% of the Company's sales of BIODAC.
While the Company believes its relationship with Solaris to be good, the loss of
this customer could have a material adverse effect on the Company's business and
results of operations. The Company believes that the total United States market
for agricultural carriers is in excess of $50 million and 400,000 tons per year.
The Company intends to further develop GranTek's technology to produce granules
for oil and grease absorbents as well as for specialty absorbents, such as for
the cat box filler market. The Company believes that the total United States
market for oil and grease absorbents is in excess of $37 million and 575,000
tons per year, and that the total United States market for cat box filler is in
excess of $150 million and 1.5 million tons per year. The Company believes that
the virtually dust-free and uniform nature of its BIODAC granules will be a
competitive advantage as it enters these markets.
 
     Recovered minerals can currently also be sold in several low-value
industrial markets, such as for cement kiln feedstock, landfill cover and
composting filler. However, the Company expects to develop new technologies to
maximize the value of inorganic mineral particles, such as calcium carbonate,
kaolin clay and titanium dioxide, recovered from the pulp residue for sale into
newly developed, higher-value markets. The Company believes that the market
value of some of these mineral particles may be as high as $200 per ton for use
as paper fillers, coatings and brighteners. However, since the process to
separate and brighten these particles for paper fillers has not yet been
developed, the cost to process these materials is not currently known. The
Company also expects to process pulp plant waste water and to return the treated
water to the plants for use in the papermaking process. See "Risk
Factors -- Uncertainty of Product Development."
 
                                       23
<PAGE>   24
 
TECHNOLOGY; RESEARCH AND DEVELOPMENT
 
     The Company is developing a proprietary process to recover long cellulose
fibers from pulp residue and has completed the construction of a mobile pilot
recovery system which the Company is using for initial mill demonstrations of
its fiber-recovery process. During this period, the Company will continue to
modify its technology and will also determine where to build its first permanent
facilities. However, until the Company obtains meaningful data from commercial
operations, it will not be in a position to determine exactly what modifications
may be necessary. The Company expects to begin construction of its first
commercial recovery plant employing its long fiber-recovery technology before
the end of 1997.
 
     Prior to its recent acquisition of the GT/ELI business by GranTek,
substantially all of the Company's operations were related to research and
development of the Company's fiber-recovery technology. The Company spent
$106,000, $128,000, $601,000 and $548,000 on research and development of this
technology in fiscal 1993, 1994 and 1995, and the first six months of fiscal
1996, respectively.
 
     The Company's research and development efforts are currently focused on
developing and improving its fiber-recovery process. Modifications to existing
equipment are also under consideration to improve washing and de-inking
capability. The Company is also exploring cost-effective processes to produce
higher value products from the separated fines and mineral residue.
 
  GranTek's Facility
 
     GranTek operates a fully permitted manufacturing plant in Green Bay,
Wisconsin, at which it processes residue provided by a nearby paper mill into
approximately 30,000 tons of BIODAC per year. The plant currently operates 24
hours per day, five days per week. A fully permitted pilot plant is located
within GranTek's main manufacturing plant. This pilot plant is permitted to
process 24 tons of material per day, and has been used to develop many of the
innovations implemented in GranTek's main plant. The Company believes that this
pilot plant will give the Company the ability to process waste streams from
other paper mills under operating conditions in quantities sufficient to
determine both final product and operating characteristics and costs, as well as
to develop new technologies.
 
     Under GranTek's contract with the paper mill, and subject to certain de
minimis exceptions, such mill has the exclusive right to supply pulp residue to
GranTek's commercial plant. In exchange, such mill is required to use its best
efforts to provide GranTek with GranTek's pulp residue requirements (up to a
maximum of 250 tons per day). The contract permits such mill's pulp residue to
contain up to 25 parts per million of polychlorinated biphenyls ("PCBs"). This
amount is well below amounts of PCBs permitted by applicable regulations.
GranTek is required to indemnify such mill against any environmental liability
that may arise from GranTek's use of the residue in any consumer or agricultural
product. However, GranTek may terminate the contract in the event that the
residue is determined to contain hazardous waste in excess of amounts permitted
by applicable regulations. The contract terminates on December 26, 1997, subject
to successive mutual two-year extensions.
 
     GranTek is presently engaged in research and development of an absorbent
product that, if successful, would provide an opportunity to enter the general
oil and grease absorbent market, specialty absorbent market and the cat box
filler market.
 
INTELLECTUAL PROPERTY
 
     The Company's success will depend in part on the strength and protection of
its proprietary methodologies and designs and other proprietary intellectual
property rights. The Company relies on a combination of patent, trade secret,
nondisclosure and other contractual arrangements, and copyright and trademark
laws, to protect its proprietary rights. The Company seeks to limit access to
and distribution of its proprietary information. There can be no assurance that
the steps taken by the Company in this regard will be adequate to deter
misappropriation of its proprietary information, that the Company will be able
to detect unauthorized use and take appropriate steps to enforce its
intellectual property rights, or that competitors will not be able to develop
similar technologies independently.
 
                                       24
<PAGE>   25
 
     The Company currently holds seven issued United States patents, expiring at
various dates ranging from 2004 to 2012, relating to various aspects of the
processing of cellulose-based granular materials and the use of such materials
in the agricultural, general absorbent, oil absorbent and cat box filler
markets. The Company also has 11 foreign counterparts to its U.S. patents in
Canada and in various European countries, and has five additional patents
pending in three European countries. In addition, Thermo Fibertek holds two
United States patents, expiring in 2011 and 2014, respectively, and expects to
file additional United States patent applications in the near future, relating
to the "scalping" technology that is a key component of the Company's
fiber-recovery system. Although the Company has licensed the technology covered
by Thermo Fibertek's patents for use in pulp and paper industry applications,
the Company does not itself hold any patents or patent applications with respect
to its pilot fiber-recovery system.
 
     In 1994, GranTek's newly acquired business, GT/ELI, initiated litigation in
United States District Court against two companies after they announced their
intent to jointly market a cellulose-based absorbent granule. This litigation,
in which GT/ELI alleged that the defendants were infringing two of GT/ELI's
patents, was resolved in February 1996, when the defendants agreed to enter a
judgment holding that the two patents were valid and enforceable and enjoining
the defendants from the manufacture, use or sale of particles that contain
cellulosic fibrous materials of certain bulk density ranges for use as a carrier
for any agricultural, row crop, home lawn and garden, professional turf,
ornamental plant or horticultural purpose. GT/ELI has granted these companies
nonexclusive licenses under these patents to sell cellulose-based granules
produced at an existing site for sale in the oil and grease absorbent and cat
box filler markets.
 
     The Company believes that its technology, services, products and other
proprietary rights do not infringe on the proprietary rights of third parties.
There can be no assurance, however, that third parties will not assert
infringement claims in the future. See "Risk Factors -- Risks Associated with
Protection, Defense and Use of Proprietary Technology and Intellectual
Property."
 
COMPETITION
 
     The Company expects that its principal competitors for access to pulp
residues will be landfills, which currently have a collective 70% market share
in North America and approximately 40% in Europe. The Company believes, however,
that landfill costs will tend to increase over time and that regulations
governing landfills will become more strict, particularly in Europe and Japan.
The balance of the pulp residues produced in the United States and Europe are
currently incinerated or are used to manufacture composting materials, egg
cartons and other low-value, industrial products.
 
     Several large waste-management companies have increased their marketing
activities to provide landfill disposal services to the pulp and paper industry.
Although the Company does not believe that these companies are able to provide a
residue processing capability, the Company can expect that, if its technology is
successful, others will seek to develop similar technologies and products that
may be superior to those of the Company. As other companies attempt to provide
landfill services and/or residue processing capability to the pulp and paper
industry, the Company expects to encounter increasing competition.
 
     The Company believes that its approach to the management of environmental
problems associated with pulp residue from pulp and paper mills and its ability
to take advantage of Thermo Fibertek's name recognition, financial strength and
experience constitute significant competitive advantages.
 
     The Company believes that GranTek is currently the only producer of
cellulose-based agricultural carriers. GranTek's principal competitors in the
United States are producers of clay-based agricultural carriers for row crops
and professional turf protection, including Oil-Dri Corporation of America,
Floridin/Engelhard, Aimcor and American Colloid, and producers of corn cob
granules traditionally used in the home, lawn and garden and professional turf
markets, including The Andersons, Mt. Pulaski, Green Products, Independence Cob
and Junior Weisner. GranTek's principal competitive advantages are that BIODAC
contains virtually no dust and is more uniform in particle size distribution and
bulk density than are clay-based and corn cob granular carriers.
 
     As the Company attempts to develop new markets for the components of the
pulp residue it processes, the Company will encounter competition from
established companies within those markets. Some of these competitors may have
substantially greater financial, marketing and other resources than those of the
Company, and the
 
                                       25
<PAGE>   26
 
Company expects that such competition may be intense. The Company believes that
the absorbent products industry considers price to be a significant competitive
factor and therefore expects that the demand for the Company's products in such
markets will be significantly influenced by the Company's prices for such
products. See "Risk Factors -- Competition."
 
EMPLOYEES
 
     As of August 31, 1996, the Company had 31 employees, of whom seven were
engaged in research and development, 16 were engaged in residue processing and
manufacturing, two were engaged in sales and marketing, and six were engaged in
general management. Of these 31 employees, 23 were employed by GranTek. Several
of the Company's employees were previously involved in product development for
Thermo Fibertek. The Company expects to hire additional employees within the
next year, all of whom are expected to be engaged in research and development
and/or sales and marketing. No assurance can be given that management
experienced in building a research and development or manufacturing
organization, or additional skilled personnel necessary to successfully
commercialize and expand the Company's business and operations, can be recruited
and retained. See "Risk Factors -- Lack of Operating History and Management."
None of the Company's employees is represented by a labor union, and the Company
considers its relations with its employees to be good.
 
FACILITIES
 
     The Company leases a 6,000-square foot, stand-alone building in Bedford,
Massachusetts, at which it is developing its mobile pilot recovery system. This
lease expires in April 2001, subject to the Company's option to extend the lease
for two three-year terms. The Company also has the right to terminate the lease
without penalty in April 1999.
 
     GranTek owns approximately 3.3 acres of land in Green Bay, Wisconsin, on
which its processing plant is situated. GranTek's corporate office occupies 800
square feet in Cassopolis, Michigan, which is occupied under a lease expiring in
October 1996. The Company expects to relocate GranTek's corporate office prior
to or upon the expiration of such lease.
 
     The Company believes that its facilities are adequate for its current
operations.
 
GOVERNMENT REGULATION
 
     The Company's operations are subject to significant government regulation,
including stringent environmental laws and regulations. Among other things,
these laws and regulations impose requirements to control air, soil and water
pollution, and regulate health, safety, zoning and land use and the handling and
transportation of industrial by-products and waste materials. These requirements
may also be imposed as conditions of operating permits or licenses that are
subject to renewal, modification or revocation. This regulatory framework
imposes significant compliance burdens and costs on the Company. Notwithstanding
the burdens of this compliance, the Company believes that its business prospects
are enhanced by the enforcement of environmental laws and regulations by
government agencies.
 
     Among the principal laws governing the Company's operations are the federal
Comprehensive Environmental Response, Compensation and Liability Act ("CERCLA")
and its similar state equivalents, TSCA and RCRA. TSCA imposes limitations on
the presence in commercial products of PCBs, and on the generation, handling,
storage and disposal of PCB-containing materials and wastes. CERCLA imposes
joint and several liability for the costs of remediation and natural resource
damages on the owner or operator of a facility from which there is a release or
a threat of a release of a hazardous substance into the environment and on the
generators and transporters of those hazardous substances. RCRA provides a
comprehensive framework for the regulation of the generation, transportation,
treatment, storage and disposal of hazardous waste. Under TSCA, RCRA and
equivalent state laws, regulatory authorities may require, pursuant to
administrative order or as a condition of an operating permit, that the owner or
operator of a regulated facility take corrective action with respect to
contamination resulting from past or present operations. The intent of RCRA is
to control hazardous wastes from the time they are generated until they are
properly recycled or treated and disposed. Such laws also require that the owner
or operator of regulated facilities provide assurance that funds will be
available for the closure and post closure care of its facilities. Because
 
                                       26
<PAGE>   27
 
Subtitle D of RCRA imposes strict requirements on landfills, such as the
requirement that new landfills must be lined, RCRA creates an incentive for pulp
mills to use residue-management technologies such as those offered by the
Company.
 
     GranTek emits into the atmosphere from its Green Bay, Wisconsin, facility
approximately 4.5 pounds per year of PCBs, as well as certain other hazardous
pollutants such as formaldehyde, benzene and volatile organic compounds
("VOCs"). Applicable Wisconsin regulations limit PCB emissions to 0.5 pounds per
year unless the generator can demonstrate that it is using the best available
control technology to limit emissions. GranTek has been issued an air operating
permit by the Wisconsin Department of Natural Resources (the "WDNR"). GranTek's
operating permit and its application for a new Title V operating permit both
require GranTek to reduce PCB and VOC emissions and to file bi-annual reports on
the amount of PCBs being emitted. In August 1995, GranTek submitted materials to
the WDNR asserting that no technologically or economically feasible methods to
reduce PCB or VOC emissions from its facility can be implemented at the present
time and, accordingly, requesting that GranTek be relieved of its obligation to
reduce emissions. As of the date of this Prospectus, GranTek has received no
response from the WDNR. Although the Company believes that the WDNR will accept
GranTek's findings, no assurance can be given that the WDNR will not require
GranTek to comply with applicable emissions limitations, that such compliance
will not require the Company to make significant expenditures or that such
compliance will be technologically or economically feasible. Such compliance may
have material adverse effects on the Company's capital expenditures, earnings
and/or competitive position.
 
     The pulp residue processed by GranTek contains trace amounts of PCBs,
dioxins, furans and other metals, residual amounts of which are also found in
GranTek's BIODAC product. Although these substances are present in residual
quantities below the maximum levels currently permitted under TSCA, RCRA and
applicable federal and state regulations, no assurance can be given that such
regulations may not be made more stringent in the future, that pulp residue
containing such substances may not be regulated as hazardous under TSCA or RCRA
or that federal or state regulations may not in the future prohibit the use of
materials containing these substances in agricultural applications. Any such
regulatory changes may have material adverse effects on the Company's capital
expenditures, earnings and/or competitive position. Changes in these regulations
could also affect the characteristics of the waste generated by pulp and paper
mills. As a result, it is possible that disposal of pulp residue could be
accomplished in a manner that may not involve the Company's facilities or that
would require the Company to purchase pulp residue.
 
     GranTek's BIODAC agricultural carrier is subject to regulation under the
Federal Insecticide, Fungicide and Rodenticide Act, which, among other things,
empowers the Environmental Protection Agency to establish and enforce acceptable
tolerance levels for agricultural chemicals. In 1989, however, at GranTek's
request, the Environmental Protection Agency granted an exemption from the
requirement that a tolerance level be established for de-inked paper fiber used
as a carrier in pesticide formulations applied to growing crops.
 
     The governmental regulatory process requires the Company to obtain and
retain numerous approvals, licenses and permits to conduct its operations, any
of which may be subject to revocation, modification or denial. Operating permits
need to be renewed periodically and may be subject to revocation, modification,
denial or non-renewal for various reasons, including failure of the Company to
satisfy regulatory concerns. Adverse decisions by governmental authorities on
permit applications submitted by the Company may result in abandonment or delay
of projects, substantially increased operating costs or capital expenditures,
premature closure of facilities or restriction of operations, all of which could
have a material adverse effect on the Company's business and prospects. See
"Risk Factors -- Environmental and Regulatory Risks."
 
                                       27
<PAGE>   28
 
                       RELATIONSHIP WITH THERMO ELECTRON
                              AND THERMO FIBERTEK
 
     The Company was organized in February 1996 as a wholly owned subsidiary of
Thermo Fibertek. Thermo Fibertek contributed $12,500,000 in cash to the Company
in exchange for 10,000,000 shares of the Company's Common Stock. As part of the
organization of the Company, it also entered into a license and supply agreement
with Thermo Fibertek whereby Thermo Fibertek granted to the Company a worldwide,
perpetual, royalty-free license to use Thermo Fibertek's proprietary "scalping"
technology in the pulp and paper industries only. The license agreement has an
initial term of eight years and is subject to annual renewals thereafter. The
Company's rights under the agreement are exclusive for a period of at least five
years and such exclusivity will continue thereafter if the Company has purchased
at least 35 scalping units from Thermo Fibertek within the first five years of
the license and at least five such units in each subsequent year. The license
agreement also provides that Thermo Fibertek will be the exclusive manufacturer
of products based on the licensed technology. The purchase price paid by the
Company to Thermo Fibertek for these products will be based on Thermo Fibertek's
manufacturing cost plus a gross margin of 55%. The Company will not have the
right to manufacture this component itself unless Thermo Fibertek ceases to
manufacture it. Thermo Fibertek has agreed not to sell this component or any
other technology or products proprietary to Thermo Fibertek for use in
competition with the Company in the pulp and paper industries. See "Risk Factors
- -- Potential Conflicts of Interest." The Company expects that other components
for its recovery system can be purchased or licensed from third parties on
commercially reasonable terms.
 
     Thermo Electron has adopted a strategy of selling a minority interest in
subsidiary companies to outside investors as an important tool in its future
development. As part of this strategy, Thermo Electron and certain of its
subsidiaries have created publicly and/or privately held majority owned
subsidiaries. (The Company and the other Thermo Electron subsidiaries are
hereinafter referred to as the "Thermo Subsidiaries.")
 
     Thermo Fibertek develops, manufactures and markets a range of equipment and
accessory products for the domestic and international paper and paper-recycling
industries. Thermo Fibertek's products include de-inking systems,
stock-preparation equipment, and water-management systems. For its fiscal years
ended December 31, 1994 and December 30, 1995 and for the six months ended June
29, 1996, Thermo Fibertek had consolidated revenues of $162,625,000,
$206,743,000 and $97,575,000, respectively, and consolidated net income of
$10,894,000, $20,249,000 and $10,082,000, respectively.
 
     Thermo Electron and its subsidiaries develop, manufacture and market
environmental monitoring and analysis instruments and manufacture biomedical
products including heart-assist devices and mammography systems, paper-recycling
and papermaking equipment, alternative-energy systems, industrial process
equipment and other specialized products. Thermo Electron and its subsidiaries
also provide environmental and metallurgical services and conduct advanced
technology research and development. For its fiscal years ended December 31,
1994 and December 30, 1995 and for the six months ended June 29, 1996, Thermo
Electron had consolidated revenues of $1,729,191,000, $2,270,291,000 and
$1,398,144,000, respectively, and consolidated net income of $104,711,000,
$139,582,000 and $85,942,000, respectively.
 
THE THERMO ELECTRON CORPORATE CHARTER
 
     Thermo Electron and the Thermo Subsidiaries, including the Company,
recognize that the benefits and support that derive from their affiliation are
essential elements of their individual performance. Accordingly, Thermo Electron
and each of the Thermo Subsidiaries, including the Company, has adopted the
Thermo Electron Corporate Charter (the "Charter") to define the relationships
and delineate the nature of such cooperation among themselves. The purpose of
the Charter is to ensure that (1) all of the companies and their stockholders
are treated consistently and fairly, (2) the scope and nature of the cooperation
among the companies, and each company's responsibilities, are adequately
defined, (3) each company has access to the combined resources and financial,
managerial and technological strengths of the others, and (4) Thermo Electron
and the Thermo Subsidiaries, in the aggregate, are able to obtain the most
favorable terms from outside parties.
 
     To achieve these ends, the Charter identifies the general principles to be
followed by the companies, addresses the role and responsibilities of the
management of each company, provides for the sharing of group resources by the
companies and provides for centralized administrative, banking and credit
services to be performed by Thermo Electron. The services provided by Thermo
Electron include collecting and managing cash generated by members, coordinating
the access of Thermo Electron and the Thermo Subsidiaries (the "Thermo Group")
to external
 
                                       28
<PAGE>   29
 
financing sources, ensuring compliance with external financial covenants and
internal financial policies, assisting in the formulation of long-range planning
and providing other banking and credit services. Pursuant to the Charter, Thermo
Electron may also provide guarantees of debt obligations of the Thermo
Subsidiaries or may obtain external financing at the parent level for the
benefit of the Thermo Subsidiaries. In certain instances, the Thermo
Subsidiaries may provide credit support to, or on behalf of, the consolidated
entity or may obtain financing directly from external financing sources. Under
the Charter, Thermo Electron is responsible for determining that the Thermo
Group remains in compliance with all covenants imposed by external financing
sources, including covenants related to borrowings of Thermo Electron or other
members of the Thermo Group, and for apportioning such constraints within the
Thermo Group. In addition, Thermo Electron establishes certain internal policies
and procedures applicable to members of the Thermo Group. The cost of the
services provided by Thermo Electron to the Thermo Subsidiaries is covered under
existing corporate services agreements between Thermo Electron and each of the
Thermo Subsidiaries.
 
     The Charter presently provides that it shall continue in effect so long as
Thermo Electron and at least one Thermo Subsidiary participate. The Charter may
be amended at any time by agreement of the participants. Any Thermo Subsidiary,
including the Company, can withdraw from participation in the Charter upon 30
days' prior notice. In addition, Thermo Electron may terminate a subsidiary's
participation in the Charter in the event the subsidiary ceases to be controlled
by Thermo Electron or ceases to comply with the Charter or the policies and
procedures applicable to the Thermo Group. A withdrawal from the Charter
automatically terminates the corporate services agreement in effect between the
withdrawing company and Thermo Electron. The withdrawal from participation does
not terminate outstanding commitments to third parties made by the withdrawing
company, or by Thermo Electron or other members of the Thermo Group, prior to
the withdrawal. However, a withdrawing company is required to continue to comply
with all policies and procedures applicable to the Thermo Group and to provide
certain administrative functions mandated by Thermo Electron so long as the
withdrawing company is controlled by or affiliated with Thermo Electron.
 
     The General Corporation Law of the State of Delaware, under which the
Company is organized, imposes a fiduciary duty on the Directors and officers of
the Company to act in the best interests of the Company's shareholders.
 
CORPORATE SERVICES AGREEMENT
 
     As provided in the Charter, the Company and Thermo Electron have entered
into a Corporate Services Agreement (the "Services Agreement") under which
Thermo Electron's corporate staff provides certain administrative services,
including certain legal advice and services, risk management, employee benefit
administration, tax advice and preparation of tax returns, centralized cash
management and certain financial and other services to the Company. Beginning in
fiscal 1996, the Company will pay an annual fee for these services equal to 1.0%
of the Company's revenues. The fee may be changed by mutual agreement of the
Company and Thermo Electron. The Company was not charged for these services in
fiscal 1992, 1993, 1994 or 1995 because the Company recorded no revenues during
these periods and the amount of services received was not material. Management
believes that the charges under the Services Agreement are reasonable and that
the terms of the Services Agreement are representative of the expenses the
Company would incur on a stand-alone basis. For additional items such as
employee benefit plans, insurance coverage and other identifiable costs, Thermo
Electron charges the Company based on charges attributable to the Company. The
Services Agreement automatically renews for successive one-year terms, unless
canceled by the Company upon 30 days' prior notice. In addition, the Services
Agreement terminates automatically in the event the Company ceases to be a
member of the Thermo Group or ceases to be a participant in the Charter. In the
event of a termination of the Services Agreement, the Company will be required
to pay a termination fee equal to the fee that was paid by the Company for
services under the Services Agreement for the nine-month period prior to
termination. Following termination, Thermo Electron may provide certain
administrative services on an as-requested basis by the Company or as required
in order to meet the Company's obligations under Thermo Electron's policies and
procedures. Thermo Electron will charge the Company a fee equal to the market
rate for comparable services if such services are provided to the Company
following termination.
 
                                       29
<PAGE>   30
 
TAX ALLOCATION AGREEMENT
 
     The Tax Allocation Agreement between the Company and Thermo Fibertek
outlines the terms under which the Company is to be included in Thermo
Electron's consolidated Federal and state income tax returns. Under current law,
the Company will be included in such tax returns so long as Thermo Electron owns
at least 80% of the outstanding common stock of Thermo Fibertek and Thermo
Fibertek owns at least 80% of the outstanding Common Stock of the Company.
Immediately following this offering, Thermo Fibertek will own less than 80% of
the Company's outstanding Common Stock and the Company will not be included in
Thermo Electron's consolidated federal and state income tax returns for periods
commencing thereafter.
 
MASTER GUARANTEE REIMBURSEMENT AGREEMENTS
 
     The Company has entered into a Master Guarantee Reimbursement Agreement
with Thermo Electron which provides that the Company will reimburse Thermo
Electron for any costs it incurs in the event it is required to pay third
parties pursuant to any guarantees it issues on the Company's behalf, including
the Guarantees of the Redemption Rights. Thermo Fibertek has entered into a
similar agreement with Thermo Electron with regard to the Company's obligations
which are guaranteed by Thermo Electron. The Company has also entered into a
Master Guarantee Reimbursement Agreement with Thermo Fibertek which provides
that the Company will reimburse Thermo Fibertek for any costs it incurs in the
event that Thermo Fibertek is required to pay Thermo Electron or any other party
pursuant to any guarantees or other commitments Thermo Fibertek issues or enters
into on the Company's behalf.
 
MISCELLANEOUS
 
     Currently, Thermo Fibertek beneficially owns 100% of the outstanding shares
of Common Stock. Thermo Fibertek intends to maintain a majority ownership of the
Company. This may require the purchase by Thermo Fibertek of additional shares
of Common Stock from time to time as the number of outstanding shares issued by
the Company increases. These purchases may be made either on the open market or
directly from the Company.
 
     The Company's cash equivalents may be invested in a repurchase agreement
with Thermo Electron, pursuant to which the Company in effect lends cash to
Thermo Electron, which Thermo Electron collateralizes with investments
principally consisting of corporate notes, United States government agency
securities, money market funds, commercial paper, and other marketable
securities, in the amount of at least 103% of such obligation. The Company's
funds subject to the repurchase agreement will be readily convertible into cash
by the Company and have an original maturity of three months or less. The
repurchase agreement earns a rate based on the 90-day Commercial Paper Composite
Rate plus 25 basis points, set at the beginning of each quarter.
 
                                       30
<PAGE>   31
 
                                   MANAGEMENT
<TABLE>
 
     The Directors and executive officers of the Company are as follows:
 
<CAPTION>
                  NAME                    AGE                         POSITION
                  ----                    ---                         --------
<S>                                       <C>   <C>
William A. Rainville....................  54    Chairman of the Board and Director

Dr. Yiannis A. Monovoukas...............  35    President, Chief Executive Officer and Director

John N. Hatsopoulos.....................  61    Vice President, Chief Financial Officer and Director

Paul F. Kelleher........................  54    Chief Accounting Officer

Jonathan W. Painter.....................  37    Treasurer and Director

Anne T. Barrett(1)......................  66    Director

<FN> 
- ---------------
 
(1) Member of the Audit and Human Resources Committees.
</TABLE>
 
     All of the Company's Directors are elected annually and hold office until
their respective successors are elected and qualified. Executive officers are
elected annually by the Board of Directors and serve at its discretion. Messrs.
Hatsopoulos, Kelleher and Painter are employees of Thermo Electron and certain
of its subsidiaries other than the Company, but devote such time to the affairs
of the Company as the Company's needs reasonably require from time to time. Mr.
Rainville is also President and Chief Executive Officer of Thermo Fibertek, and
is responsible for certain operations within Thermo Fibertek that are not
related to the Company's operations.
 
     Mr. William A. Rainville has been Chairman of the Board and a Director of
the Company since its incorporation in February 1996. Mr. Rainville has been
President and Chief Executive Officer of Thermo Fibertek since its inception in
November 1991 and a Director of Thermo Fibertek since January 1992. From 1984
until January 1993, Mr. Rainville was President and Chief Executive Officer of
Thermo Electron Web Systems Inc., a subsidiary of Thermo Fibertek. He has been a
Senior Vice President of Thermo Electron since March 1993 and a Vice President
since 1986. Mr. Rainville is also a director of Thermo Fibertek, Thermo Ecotek
Corporation, Thermo TerraTech Inc. and Thermo Remediation Inc.
 
     Dr. Yiannis A. Monovoukas has been President, Chief Executive Officer and a
Director of the Company since its incorporation in February 1996. Dr. Monovoukas
has been a Corporate Business Analyst since he joined Thermo Electron in July
1995. From 1993 through June 1995, Dr. Monovoukas was a graduate student at the
Harvard Business School. From 1990 until 1993 he was a staff scientist/engineer
with Raychem Corporation, a materials science company, which he joined upon
completion of a Ph.D. program in chemical engineering at Stanford University.
 
     John N. Hatsopoulos has been a Vice President, Chief Financial Officer and
a Director of the Company since its incorporation in February 1996. Mr.
Hatsopoulos has been a Vice President and Chief Financial Officer of Thermo
Fibertek since its inception in November 1991, the Chief Financial Officer of
Thermo Electron since 1988 and an Executive Vice President of Thermo Electron
since 1986. He is also a Director of Thermedics Inc., Thermo Ecotek Corporation,
Thermo Fibertek, Thermo Instrument Systems Inc., Thermo Power Corporation,
Thermo TerraTech Inc., ThermoTrex Corporation, Thermo Optek Corporation,
ThermoQuest Corporation, Thermo Sentron Inc., Trex Medical Corporation and
Lehman Brothers Funds, Inc., an open-end investment management company.
 
     Paul F. Kelleher has been the Chief Accounting Officer of the Company since
its incorporation in February 1996. Mr. Kelleher has been Vice President,
Finance of Thermo Electron since 1987 and served as its Controller from 1982 to
January 1996. He is a director of ThermoLase Corporation.
 
     Jonathan W. Painter has been Treasurer and a Director of the Company since
its inception in February 1996. Mr. Painter has been Treasurer of Thermo
Electron since August 1994 and Treasurer of Thermo Fibertek since October 1994.
Mr. Painter had served as Director of Strategic Planning of Thermo Fibertek from
February 1993 through August 1994. Prior to that time, Mr. Painter was Associate
General Counsel of Thermo Electron and its subsidiaries.
 
                                       31
<PAGE>   32
 
     Anne T. Barrett has been a Director of the Company since July 1996. Ms.
Barrett has been an independent consultant on investor relations and
communications matters since her retirement in November 1993. Prior to that
time, Ms. Barrett was Director of Corporate Communications for Thermo Electron
for more than five years.
 
COMPENSATION OF DIRECTORS
 
     Directors who are not employees of the Company, Thermo Fibertek or Thermo
Electron receive an annual retainer of $2,000 and a fee of $1,000 per day for
attending meetings of the Board of Directors and $500 per day for participating
in meetings of the Board of Directors held by means of conference telephone and
for participating in certain meetings of committees of the Board of Directors.
Payment of Directors fees is made quarterly.
 
     Messrs. Rainville, Monovoukas, Hatsopoulos and Painter are all employees of
Thermo Electron companies and do not receive any cash compensation from the
Company for their services as Directors. Directors are also reimbursed for
reasonable out-of-pocket expenses incurred in attending such meetings.
 
     Directors Deferred Compensation Plan.  Under the Company's Deferred
Compensation Plan for Directors (the "Deferred Compensation Plan"), a Director
has the right to defer receipt of his fees until he ceases to serve as a
Director, dies or retires from his principal occupation. In the event of a
change in control or proposed change in control of the Company that is not
approved by the Board of Directors, deferred amounts become payable immediately.
Either of the following is deemed to be a change of control: (a) the occurrence,
without the prior approval of the Board of Directors, of the acquisition,
directly or indirectly, by any person of 50% or more of the outstanding Common
Stock or the outstanding common stock of Thermo Electron; or (b) the failure of
the persons serving on the Board of Directors immediately prior to any contested
election of directors or any exchange offer or tender offer for the Common Stock
or the common stock of Thermo Electron to constitute a majority of the Board of
Directors at any time within two years following any such event. Amounts
deferred pursuant to the Deferred Compensation Plan are valued at the end of
each quarter as units of Common Stock. When payable, amounts deferred may be
disbursed solely in shares of Common Stock accumulated under the Deferred
Compensation Plan. The Company has reserved 25,000 shares under this plan. The
Deferred Compensation Plan will not become effective until completion of an
initial public offering. No units have been accumulated under this plan.
 
     Directors Stock Option Plan.  The Company has adopted a directors stock
option plan (the "Plan") providing for the grant of stock options to purchase
shares of the Common Stock to outside Directors (Directors who are not employees
of the Company or any of its affiliates) as additional compensation for their
service as Directors. The Plan provides for the grant of stock options upon a
Director's initial appointment and, beginning in 2000, awards options to
purchase 1,000 shares annually to eligible Directors, provided the Company's
Common Stock is then publicly traded. A total of 200,000 shares of Common Stock
have been reserved for issuance under the Plan.
 
     Under the Plan, each eligible Director will be granted an option to
purchase 20,000 shares of Common Stock upon the later of the Director's
appointment or election, or the completion of an initial public offering or
private placement of shares of Common Stock of the Company primarily to
independent investors. In addition, each new director initially joining the
Board of Directors in 1996 will be granted an option to purchase 20,000 shares
of Common Stock. The size of the award to new Directors appointed to the Board
of Directors after 1996 is reduced by 5,000 shares in each subsequent year.
Directors initially joining the Board of Directors after 1999 would not receive
an option grant upon their appointment or election to the Board of Directors,
but would be eligible to participate in the annual option awards described
below. Options evidencing initial grants to Directors vest and are exercisable
upon the fourth anniversary of the grant date, unless the Common Stock
underlying the option grant is registered under Section 12 of the Securities
Exchange Act of 1934, as amended ("Section 12 Registration") prior to the fourth
anniversary of the grant date. In the event that the effective date of Section
12 Registration occurs prior to the fourth anniversary of the grant date, then
the option becomes exercisable (on the later of 90 days after Section 12
Registration or six months after the grant date) and the shares acquired upon
exercise will be subject to restrictions on transfer and the right of the
Company to repurchase such shares at the exercise price in the event the
Director ceases to serve as a Director of the Company or any other Thermo
Electron company. In such event, the restrictions and repurchase rights shall
lapse or be deemed to have lapsed in equal annual installments of 5,000 shares,
starting with the first anniversary of the grant date, provided the Director has
continuously served as a Director of the Company or any other Thermo Electron
company since the grant date. These options expire on the fifth anniversary of
the grant date, unless the Director dies or otherwise ceases to serve as a
Director of the Company or any other Thermo Electron company prior to that date.
 
                                       32
<PAGE>   33
 
     Commencing in 2000, eligible Directors will also receive an annual grant of
options to purchase 1,000 shares of Common Stock provided the Common Stock is
then publicly traded. The annual grant would be made at the close of business on
the date of each annual meeting of stockholders of the Company to each Director
then holding office, commencing with the annual meeting to be held in 2000.
Options evidencing annual grants may be exercised at any time from and after the
six-month anniversary of the grant date of the option and prior to the
expiration of the option on the third anniversary of the grant date. Shares
acquired upon exercise of the options would be subject to repurchase by the
Company at the exercise price if the recipient ceased to serve as a Director of
the Company or any other Thermo Electron company prior to the first anniversary
of the grant date.
 
     The exercise price for options granted under the Plan is determined by the
average of the closing prices reported by the American Stock Exchange (or other
principal exchange in which the Common Stock is then traded) for the five
trading days immediately preceding and including the date the option is granted
or, if the shares underlying the option are not so traded, at the last price
paid per share by independent investors in an arms-length transaction with the
Company prior to the option grant.
 
     As of August 31, 1996, no options to purchase Common Stock had been granted
under the Plan.
 
COMPENSATION OF EXECUTIVE OFFICERS
 
  Summary Compensation Table
 
     The following table summarizes compensation for services to the Company in
all capacities awarded to, earned by or paid to the Company's chief executive
officer for the fiscal year ended December 30, 1995. No other executive officer
of the Company who held office at the end of fiscal 1995 met the definition of
"highly compensated" within the meaning of the Securities and Exchange
Commission's executive compensation disclosure rules for this period.

<TABLE>
     The Company is required to appoint certain executive officers and full-time
employees of Thermo Electron as executive officers of the Company, in accordance
with the Thermo Electron Corporate Charter. The compensation for these executive
officers is determined and paid entirely by Thermo Electron. The time and effort
devoted by these individuals to the Company's affairs is provided to the Company
under the Services Agreement between the Company and Thermo Electron.
Accordingly, the compensation for these individuals is not reported in the
following table. See "Relationship with Thermo Electron and Thermo Fibertek."
 
                                    SUMMARY COMPENSATION TABLE
 
<CAPTION>
                                                                                           LONG-TERM
                                                                                         COMPENSATION
                                                                                        ---------------
                                                                                          SECURITIES
                                                                                          UNDERLYING
                                                                  ANNUAL COMPENSATION   OPTIONS (NO. OF
                                                           FISCAL -------------------     SHARES AND
               NAME AND PRINCIPAL POSITION                 YEAR    SALARY     BONUS       COMPANY)(1)
               ---------------------------                 ----   --------   --------   ---------------
<S>                                                        <C>    <C>           <C>         <C>
Yiannis A. Monovoukas
President and Chief Executive Officer(2).................. 1995   $39,583(2)    --          80,000(TFG)
                                                                                             11,250(TMO)
<FN> 
- ---------------
 
(1) All options to purchase shares of the Company's Common Stock shown in the
    table were granted after the end of fiscal 1995, but are included in the
    table for clarity of presentation. In addition to grants of options to
    purchase Common Stock of the Company (designated in the table as TFG), Dr.
    Monovoukas has been granted options to purchase shares of common stock of
    Thermo Electron (designated in the table as TMO) as part of Thermo
    Electron's stock option program. Information with respect to options to
    purchase such stock reflects a three-for-two split in the form of a 50%
    stock dividend paid on June 1996.
 
(2) Dr. Monovoukas was appointed President and Chief Executive Officer of the
    Company in February 1996. Prior to that time, he served as a Corporate
    Business Analyst for Thermo Electron since joining Thermo Electron in July
    1995. Reported in the table under "Salary" is the salary paid in 1995 to Dr.
    Monovoukas for his service as Corporate Business Analyst of Thermo Electron,
    which was paid at an annualized rate of $95,000 and is representative of the
    salary to be paid in 1996 for his service as President and Chief Executive
    Officer of the Company. None of the bonus paid to Dr. Monovoukas with
    respect to 1995 performance was attributable to his service as President and
    Chief Executive Officer of the Company.
</TABLE>
 

                                       33
<PAGE>   34
<TABLE>
 
  Stock Options Granted During Fiscal 1995
 
     The following table sets forth information concerning individual grants of
stock options made during fiscal 1995 to the Company's chief executive officer.
It has not been the Company's policy in the past to grant stock appreciation
rights, and no rights were granted during fiscal 1995.
 
                                    OPTION GRANTS IN FISCAL 1995
 
<CAPTION>
                                                                                        POTENTIAL REALIZABLE
                                                                                       VALUE AT ASSUMED ANNUAL
                             NUMBER OF      PERCENT OF                                  RATES OF STOCK PRICE
                              SHARES       TOTAL OPTIONS                               APPRECIATION FOR OPTION
                            UNDERLYING      GRANTED TO      EXERCISE                           TERM(2)
                              OPTIONS      EMPLOYEES IN     PRICE PER    EXPIRATION    -----------------------
           NAME             GRANTED(1)      FISCAL YEAR       SHARE         DATE          5%           10%
           ----             ----------     -------------    ---------    ----------    --------     ----------
<S>                         <C>               <C>            <C>          <C>          <C>          <C>
Yiannis A. Monovoukas.....  80,000(TFG)       23.7%(1)       $10.00       8/14/08      $636,800     $1,710,400
                            11,250(TMO)        0.9%(3)       $28.23       7/24/02      $129,263     $  301,391

<FN> 
- ---------------
 
(1) All options to purchase shares of the Common Stock of the Company
    (designated in the table as TFG) were granted after the end of fiscal 1995,
    but are included in the table for clarity of presentation. In addition,
    options to purchase shares of the common stock of Thermo Electron
    (designated in the table as TMO) were granted in 1995 to Dr. Monovoukas. The
    options to purchase shares of Thermo Electron are immediately exercisable,
    while the options to purchase shares of the Common Stock of the Company are
    not exercisable until the earlier of (i) 90 days after the effective date of
    the registration of the Company's Common Stock under Section 12 of the
    Securities Exchange Act of 1934 and (ii) nine years after the grant date. In
    all cases, the shares acquired upon exercise are subject to repurchase by
    the granting corporation at the exercise price if Dr. Monovoukas ceases to
    be employed by such corporation or another Thermo Electron company. The
    granting corporation may exercise its repurchase rights within six months
    after the termination of Dr. Monovoukas' employment. For publicly traded
    companies, the repurchase rights generally lapse ratably over a five- to
    ten-year period, depending on the option term which may vary from seven to
    twelve years, provided that the optionee continues to be employed by Thermo
    Electron or another Thermo Electron company. For companies that are not
    publicly traded, the repurchase rights lapse in their entirety on the ninth
    anniversary of the grant date. The granting corporation may permit Dr.
    Monovoukas to exercise options and satisfy tax withholding obligations by
    surrendering shares equal in fair market value to the exercise price or
    withholding obligation. The options to purchase shares of common stock of
    Thermo Electron have been adjusted to reflect a three-for-two stock split in
    the form of a 50% stock dividend paid on June 5, 1996.
 
(2) The amounts shown on this table represent hypothetical gains that could be
    achieved for the options if exercised at the end of the option term. These
    gains are based on assumed rates of stock appreciation of 5% and 10%,
    compounded annually from the date the options were granted to their
    expiration date. The gains shown are net of the option exercise price, but
    do not include deductions for taxes or other expenses associated with the
    exercise. Actual gains, if any, on stock option exercises will depend on the
    future performance of common stock underlying the options, the
    optionholder's continued employment through the option period and the date
    on which the options are exercised.
 
(3) These options were granted under a stock option plan maintained by Thermo
    Electron and accordingly are reported as a percentage of total options
    granted to employees of Thermo Electron and its subsidiaries.
</TABLE>

                                       34
<PAGE>   35
 
  Stock Options Exercised During Fiscal 1995 and Fiscal Year-end Option Values

<TABLE>
 
     The following table reports certain information regarding stock option
exercises during fiscal 1995 and outstanding stock options held at the end of
fiscal 1995 by the Company's chief executive officer. No stock options were
exercised, and no stock appreciation rights were exercised or were outstanding
during fiscal 1995.
 
                         AGGREGATED OPTION EXERCISES IN FISCAL 1995 AND
                             FISCAL 1995 YEAR-END OPTION VALUES
<CAPTION>
                                                                        NUMBER OF           VALUE OF
                                                                         SHARES           UNEXERCISED
                                                                       UNDERLYING         IN-THE-MONEY
                                                                       UNEXERCISED         OPTIONS AT
                                                                    OPTIONS AT FISCAL        FISCAL
                                                                        YEAR-END            YEAR-END
                                                                    -----------------     ------------
                                                                      EXERCISABLE/        EXERCISABLE/
                    NAME                            COMPANY         UNEXERCISABLE(1)      UNEXERCISABLE
                    ----                            -------         -----------------     ------------
<S>                                            <C>                       <C>                <C>
Yiannis A. Monovoukas........................  Thermo Fibergen           -/80,000                 -/-(2)
                                               Thermo Electron           11,250/-           $72,413/-

<FN> 
- ---------------
 
(1) All options to purchase shares of the Common Stock of the Company were
    granted after the end of fiscal 1995, but are included in the table for
    clarity of presentation. All of the options reported in the table were
    immediately exercisable at the end of the fiscal year, except for options to
    purchase shares of the Common Stock of the Company, which are not
    exercisable until the earlier of (i) 90 days after the effective date of the
    registration of the Company's Common Stock under Section 12 of the
    Securities Exchange Act of 1934 and (ii) nine years after the grant date. In
    all cases, the shares acquired upon exercise of the options reported in the
    table are subject to repurchase by the granting corporation at the exercise
    price if the optionee ceases to be employed by such corporation or another
    Thermo Electron company. The granting corporation may exercise its
    repurchase rights within six months after the termination of the optionee's
    employment. For companies whose shares are not publicly traded, the
    repurchase rights lapse in their entirety on the ninth anniversary of the
    grant date. For publicly traded companies, the repurchase rights generally
    lapse ratably over a five- to ten-year period, depending on the option term
    which may vary from seven to twelve years, provided that the optionee
    continues to be employed by the granting corporation or another Thermo
    Electron company. The options to purchase shares of common stock of Thermo
    Electron have been adjusted to reflect a three-for-two stock split in the
    form of a 50% stock dividend paid on June 5, 1996.
 
(2) No public market existed for the shares underlying these options as of
    December 30, 1995. Accordingly, no value in excess of the exercise price has
    been attributed to those options.
</TABLE>
 
CERTAIN TRANSACTIONS
 
     The Company has adopted a program under which it may make interest-free
loans to certain key employees, including certain of the named executive
officers, to enable such employees to purchase the Company's Common Stock in the
open market. The Company has made no such loans as of the date of this
Prospectus.
 
                                       35
<PAGE>   36
 
         SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
 
PRINCIPAL STOCKHOLDER

<TABLE>
 
     The following table sets forth certain information regarding the beneficial
ownership of Common Stock as of August 31, 1996 with respect to each person who
was known by the Company to own beneficially more than 5% of the outstanding
shares of Common Stock.
 
<CAPTION>
                        NAME AND ADDRESS                             AMOUNT AND NATURE
                      OF BENEFICIAL OWNER                         OF BENEFICIAL OWNERSHIP    PERCENT OF CLASS
                      -------------------                         -----------------------    ----------------
<S>                                                                  <C>                           <C>
Thermo Fibertek Inc.(1).........................................     10,000,000 shares             100%
  81 Wyman Street
  Waltham, Massachusetts 02254-9046

<FN> 
- ---------------
 
(1) Thermo Fibertek is an 81.5%-owned subsidiary of Thermo Electron and,
    therefore, Thermo Electron may be deemed to be a beneficial owner of the
    shares of Common Stock beneficially owned by Thermo Fibertek. Thermo
    Electron disclaims beneficial ownership of these shares. After the sale of
    the Common Stock in this offering, Thermo Fibertek will own approximately
    70.9% of the outstanding Common Stock (68.0% if the Underwriters'
    over-allotment option is exercised in full).
</TABLE>
 
MANAGEMENT

<TABLE>
     The following table sets forth certain information regarding the beneficial
ownership of the Common Stock as of March 30, 1996 as well as information
regarding the beneficial ownership of the Common Stock and the common stock of
Thermo Fibertek and Thermo Electron, as of March 30, 1996, with respect to (i)
each Director, (ii) each executive officer named in the summary compensation
table above, and (iii) all Directors and current executive officers as a group.
 
<CAPTION>
                                                             THERMO              THERMO         THERMO ELECTRON
                       NAME(1)                          FIBERGEN INC.(2)    FIBERTEK INC.(3)    CORPORATION(4)
                       -------                          ----------------    ----------------    ---------------
<S>                                                             <C>              <C>               <C>
William A. Rainville..................................          0                506,713             300,893
Dr. Yiannis A. Monovoukas.............................          0                 31,500              11,450
John N. Hatsopoulos...................................          0                173,655             646,317
Jonathan W. Painter...................................          0                103,515              35,673
Anne T. Barrett.......................................          0                  3,450              10,187
All Directors and current executive officers as a
  group (6 persons)...................................          0                902,608           1,145,777

<FN> 
- ---------------
 
(1) Except as reflected in the footnotes to this table, shares of Common Stock
    and common stock of Thermo Fibertek and Thermo Electron beneficially owned
    consist of shares owned by the indicated person or by that person for the
    benefit of minor children, and all share ownership includes sole voting and
    investment power.
 
(2) No Director or executive officer beneficially owned more than 1% of the
    Common Stock outstanding as of such date, and all Directors and executive
    officers as a group beneficially owned less than 1% of the Common Stock
    outstanding as of such date.
 
(3) The shares of common stock of Thermo Fibertek have been adjusted to reflect
    a three-for-two stock split effected in the form of a 50% stock dividend
    paid on June 26, 1996. Shares of the common stock of Thermo Fibertek
    beneficially owned by Mr. Rainville, Dr. Monovoukas, Mr. Hatsopoulos, Mr.
    Painter and all Directors and executive officers as a group include 495,000,
    30,000, 97,200, 103,500 and 799,950 shares, respectively, that such person
    or group has the right to acquire within 60 days of March 30, 1996, through
    the exercise of stock options. Shares beneficially owned by Ms. Barrett
    consist of shares held by a trust of which Ms. Barrett is a trustee. No
    Director or executive officer beneficially owned more than 1% of the common
    stock of Thermo Fibertek outstanding as of March 30, 1996; all Directors and
    executive officers as a group beneficially owned 1.5% of such common stock
    outstanding as of such date.
 
(4) The shares of common stock of Thermo Electron have been adjusted to reflect
    a three-for-two stock split in the form of a 50% stock dividend paid on June
    5, 1996. Shares of the common stock of Thermo Electron beneficially owned by
    Mr. Rainville, Dr. Monovoukas, Mr. Hatsopoulos, Mr. Painter and all
    Directors and
</TABLE>

                                       36
<PAGE>   37
 
    executive officers as a group include 199,198, 11,250, 342,735, 31,495 and
    677,302 shares, respectively, that such person or group has the right to
    acquire within 60 days of March 30, 1996, through the exercise of stock
    options. Shares beneficially owned by Mr. Hatsopoulos, Mr. Painter and all
    Directors and executive officers as a group include 18,375, 391 and 19,994
    full shares, respectively, allocated through March 30, 1996 to their
    respective accounts maintained pursuant to Thermo Electron's employee stock
    ownership plan ("ESOP"). The trustees of the ESOP, who have investment power
    over its assets, are Mr. Hatsopoulos and Mr. Peter Pantazelos (an executive
    officer of Thermo Electron). Shares beneficially owned by Mr. Hatsopoulos
    include 168,750 shares held by a QTIP trust of which Mr. Hatsopoulos is a
    trustee. Shares beneficially owned by Ms. Barrett include 4,847 shares held
    by a trust of which Ms. Barrett is a trustee. No Director or executive
    officer nor all Directors and executive officers as a group beneficially
    owned more than 1% of the common stock of Thermo Electron outstanding as of
    March 30, 1996.
 
                                       37
<PAGE>   38
 
                     INFORMATION CONCERNING THERMO ELECTRON
 
     Thermo Electron develops, manufactures and markets environmental monitoring
and analysis instruments, biomedical products including heart-assist systems,
mammography systems and respiratory care products, paper-recycling and
papermaking equipment, alternative-energy systems, industrial process equipment,
and other specialized products. Thermo Electron also provides environmental and
metallurgical services and conducts advanced technology research and
development. Thermo Electron performs its business through its divisions and
wholly owned subsidiaries, as well as majority-owned subsidiaries that are
partially owned by the public or by private investors.
 
     Thermo Electron has developed leading market positions in many lines of
business, including environmental monitoring and analysis instruments,
mammography systems, biomass power plants, and paper-recycling equipment and
papermaking accessories. Thermo Electron is currently seeking to establish
leading market positions in the fields of left ventricular-assist devices,
explosives-detection systems, thermal soil-remediation services and dedicated
natural gas engines. Thermo Electron is developing new products in its Advanced
Technologies segment, as well as other segments.
 
     A key element in Thermo Electron's growth has been its ability to
commercialize innovative products and services emanating from research and
development activities conducted at Thermo Electron's various subsidiaries and
divisions. Thermo Electron's strategy has been to identify business
opportunities arising from social, economic and regulatory issues and to seek a
leading market share through the application of proprietary technology. As part
of this strategy, Thermo Electron continues to focus on the acquisition of
complementary businesses that can be integrated into existing core businesses to
leverage Thermo Electron's access to new markets.
 
     Thermo Electron believes that maintaining an entrepreneurial atmosphere is
essential to continuing its growth and development. In order to preserve this
environment, Thermo Electron adopted the strategy of having certain subsidiaries
sell a minority interest to outside investors. Thermo Electron believes that
this strategy provides additional motivation and incentives for the management
of the subsidiaries through the establishment of subsidiary-level stock options,
as well as capital to support the subsidiaries' growth. Thermo Electron's wholly
owned and majority-owned subsidiaries are provided with centralized strategic
planning, corporate development, administrative, financial and other services
that would not be available to many independent companies of similar size. As of
August 31, 1996, Thermo Electron had 20 subsidiaries that have sold minority
equity interests, 16 of which are publicly traded.
 
     Thermo Electron, a Delaware corporation, was incorporated in 1956,
completed its initial public offering in 1967, and was listed on the New York
Stock Exchange in 1980. The principal executive office of Thermo Electron is
located at 81 Wyman Street, Waltham, Massachusetts 02254-9046 (telephone:
617-622-1000).
 
                                       38
<PAGE>   39
 
                           DESCRIPTION OF SECURITIES
 
     The following is a brief description of the principal terms applicable to
the Units, the authorized shares of the Company's Common Stock, $.01 par value,
and the Redemption Rights, as well as a description of the Guarantees.
 
UNITS
 
     Each Unit being offered by the Company consists of one share of Common
Stock and one Redemption Right. The Common Stock and the Redemption Rights will
trade together as Units on the American Stock Exchange until the 90th day after
the date of this Prospectus, after which date the Common Stock and the
Redemption Rights will trade separately. The value of the Redemption Rights will
generally have an inverse relationship to the value of the Common Stock. As the
market price of the Common Stock rises, the value represented by the Redemption
Rights generally will decrease, reflecting generally the increased spread
between the market price of a share of Common Stock deliverable upon exercise of
a Redemption Right and the price at which the Company is obligated to redeem the
Common Stock pursuant to the Redemption Rights. Conversely, decreases in the
market price of the Common Stock generally will increase the value of the
Redemption Rights.
 
COMMON STOCK
 
     The Company has 25,000,000 shares of Common Stock authorized for issuance,
of which 10,000,000 are issued and outstanding. Each share of Common Stock is
entitled to pro rata participation in distributions upon liquidation and to one
vote on all matters submitted to a vote of stockholders. Dividends may be paid
to the holders of Common Stock when and if declared by the Board of Directors
out of funds legally available therefor. Holders of Common Stock have no
preemptive or similar rights. The outstanding shares of Common Stock are, and
the shares offered hereby when issued will be, legally issued, fully paid and
nonassessable.
 
     The shares of Common Stock have noncumulative voting rights, which means
that the holders of more than 50% of the shares voting can elect all the
Directors if they so choose, and in such event, the holders of the remaining
shares cannot elect any Directors. Prior to this offering, Thermo Fibertek owned
10,000,000 shares of Common Stock, which represented 100% of the outstanding
Common Stock. Upon completion of this offering, Thermo Fibertek (and Thermo
Electron through its majority ownership of Thermo Fibertek) will continue to
beneficially own a majority of the outstanding Common Stock, and will have the
power to elect all of the members of the Company's Board of Directors.
 
     The Company's Certificate of Incorporation contains certain provisions
permitted under the General Corporation Law of Delaware relating to the
liability of Directors. The provisions eliminate a Director's liability for
monetary damages for a breach of fiduciary duty, except in certain circumstances
involving wrongful acts or omissions, which involve intentional misconduct or a
knowing violation of law. The Company's Certificate of Incorporation also
contains provisions to indemnify the Directors and officers of the Company to
the fullest extent permitted by the General Corporation Law of Delaware. The
Company believes that these provisions will assist the Company in attracting and
retaining qualified individuals to serve as Directors and officers.
 
REDEMPTION RIGHTS
 
  General
 
     The holder of a Redemption Right may require the Company to redeem one
share of Common Stock for an amount of cash equal to the initial public offering
price (the "Redemption Price") during the month of September 2000 (the "First
Redemption Period") and during the month of September 2001 (the "Second
Redemption Period"). The First Redemption Period and the Second Redemption
Period are collectively referred to herein as the "Redemption Periods."
 
  Exercise of Rights
 
     Notice of commencement of each Redemption Period will be published in the
Wall Street Journal, and will be mailed to holders of record of the Redemption
Rights, not less than 30 nor more than 45 days prior to the commencement of such
Redemption Period. To be redeemed, certificates for shares of Common Stock must
be
 
                                       39
<PAGE>   40
 
received at the office of the Company or its agent, as specified in the notice,
along with certificates for Redemption Rights duly executed indicating the
number of shares being tendered for redemption during the Redemption Period. The
Company or its agent after the end of the Redemption Period will promptly return
to each shareholder a certificate for all shares and Redemption Rights
surrendered but not redeemed and will mail to each shareholder a check in
consideration for the shares that were redeemed. Shareholders who elect to
redeem their shares will be entitled to revoke their election by delivering a
written notice of such revocation to the agent or to the Company as specified in
the notice prior to the end of the Redemption Period.
 
     The Company's obligation to make such redemptions would be deferred to the
extent that such redemptions are made at a time when the Company's capital is
impaired or when such redemptions would cause any impairment of the Company's
capital or if such redemptions are otherwise prohibited by law. These provisions
do not affect the guarantee by Thermo Electron of the Company's redemption
obligations.
 
  Adjustments
 
     Both the consideration payable by the Company upon redemption of the shares
of Common Stock and the number of shares of Common Stock which are subject to
redemption are subject to adjustment upon the occurrence of certain events,
including (i) the issuance of Common Stock as a dividend or the distribution of
a security or right convertible into or exchangeable for shares of Common Stock
to all of the holders of Common Stock, (ii) a subdivision or combination of the
Company's outstanding Common Stock and (iii) the issuance by reclassification or
reorganization of the outstanding shares of Common Stock.
 
  Expiration of Redemption Rights
 
     The Redemption Rights will expire and become worthless in the event that,
at any time after the 90th day after the date of this Prospectus and (i) prior
to the beginning of the First Redemption Period or (ii) after the end of the
First Redemption Period and prior to the beginning of the Second Redemption
Period, the closing price of the Common Stock as reported on the principal
trading market for the Common Stock has been at least 150% of the Redemption
Price, as adjusted as provided above, for 20 of any 30 consecutive trading days,
provided that neither Thermo Electron nor any of its subsidiaries have purchased
any shares of Common Stock on any of such days.
 
Covenants of the Company and Thermo Electron
 
     Pursuant to the Guarantee Agreement described below, the Company and Thermo
Electron have covenanted that they will not, without the consent of the holders
of a majority of the Redemption Rights other than Thermo Electron and its
subsidiaries, take any voluntary action to avoid or seek to avoid the observance
or performance of any of the terms of the redemption obligations described in
this Prospectus. While any Redemption Rights are outstanding, the Company may
(i) reorganize or reclassify its Common Stock, (ii) merge or consolidate with
another corporation or other legal entity or (iii) sell or transfer all or
substantially all of its business or assets only if adequate provision is made
so that the Redemption Rights are adjusted so as to preserve the economic
benefits thereof to the holders, as determined by the Board of Directors of the
Company in its reasonable discretion, which benefits shall include the right to
receive cash.
 
THE GUARANTEES
 
     The Company, Thermo Electron and the Representatives of the Underwriters
(as defined below) have entered into a Guarantee Agreement, pursuant to which
Thermo Electron has agreed to guarantee, on a subordinated basis, the due and
punctual performance by the Company of its redemption obligations described
above. The text of the Guarantees will be endorsed on each certificate
representing Redemption Rights offered hereby. Thermo Electron will be obligated
to honor the Guarantees upon the failure of the Company to perform its
redemption obligations, including any failure due to the impairment or potential
impairment of the Company's capital. The Guarantee Agreement may not be amended
in a way that will dilute or impair the Redemption Rights described above
without the consent of the holders of two-thirds of the then-outstanding
Redemption Rights other than Thermo Electron and its subsidiaries.
 
                                       40
<PAGE>   41
 
  Subordination of Guarantees
 
     The obligations represented by the Guarantees will be subordinated in right
of payment to the prior payment in full of all Senior Indebtedness of Thermo
Electron, whether outstanding at the date of execution of the Guarantee
Agreement or thereafter incurred or created. There are no limitations, in the
Guarantee Agreement or otherwise, on Thermo Electron's ability to incur or
create additional Senior Indebtedness in the future. Senior Indebtedness of
Thermo Electron is defined for this purpose as the principal of, premium, if
any, and interest and other amounts due on or with respect to the following,
whether outstanding at the date of execution of the Guarantee Agreement or
thereafter incurred or created: (a) indebtedness of Thermo Electron for money
borrowed by Thermo Electron (including, without limitation, purchase money
obligations), whether or not evidenced by debentures, bonds, notes or other
corporate debt securities or similar instruments issued by Thermo Electron
(including the principal of, premium, if any, and interest on Thermo Electron's
5% Senior Convertible Debentures due 2001 and 4 5/8% Senior Convertible
Debentures due 1997); (b) obligations to reimburse any bank or other person in
respect of amounts paid under letters of credit; (c) leases of real property,
equipment or other assets, which leases are capitalized in Thermo Electron's
financial statements in accordance with generally accepted accounting
principles; (d) commitment, standby and other fees due and payable to financial
institutions with respect to credit facilities available to Thermo Electron; (e)
obligations of Thermo Electron under interest rate or currency swaps, floors,
caps or other similar arrangements intended to hedge interest rates or currency
exposure; (f) indebtedness secured by any mortgage, pledge, lien or other
encumbrance on property which is owned or held by Thermo Electron subject to
such mortgage, pledge, lien or encumbrance, whether or not the indebtedness
secured thereby shall have been assumed by Thermo Electron; (g) obligations of
Thermo Electron constituting guarantees of indebtedness of or joint obligations
with another or others which would be included in the preceding clauses (a),
(b), (c), (d), (e) or (f) (including Thermo Electron's guarantee of the
principal of, premium, if any, and interest on the 3 3/4% Senior Convertible
Debentures due 2000 of Thermo Instrument Systems Inc.); and (h) modifications,
renewals, extensions or refundings of any of the indebtedness, leases, fees or
obligations referred to in the preceding clauses (a), (b), (c), (d), (e), (f) or
(g) or debentures, notes or other evidences of indebtedness issued in exchange
therefor; provided that Senior Indebtedness shall not include any particular
indebtedness, lease, fee or obligation, modification, renewal, extension or
refunding or exchanged securities if, under the express provisions of the
instrument creating or evidencing the same, or pursuant to which the same is
outstanding, such indebtedness, lease, fee or obligation or such modification,
renewal, extension or refunding thereof or exchanged securities are stated to be
not superior in right of payment to the Guarantees. Most of Thermo Electron's
assets are owned by its subsidiaries. Thermo Electron's rights as a shareholder
and the rights of its creditors, including holders of the Redemption Rights, to
participate in the assets of any subsidiary upon the latter's liquidation or
recapitalization will be subject to the prior claims of the subsidiary's
creditors. At June 29, 1996, the aggregate amount of Senior Indebtedness and
indebtedness of subsidiaries not constituting Senior Indebtedness (but to which
the Guarantees are effectively subordinated) was approximately $517,680,000.
 
     The obligations represented by the Guarantees will rank pari passu with
Thermo Electron's obligations with respect to its outstanding 4 1/4% Convertible
Subordinated Debentures due 2003 and the 4 7/8% Convertible Subordinated
Debentures due 1997. In addition, the obligations represented by the Guarantees
will rank pari passu with Thermo Electron's subordinated guarantees of the
principal, premium, if any, and interest on the Non-Interest Bearing Convertible
Subordinated Debentures due 2003 issued by Thermedics Inc., the Non-Interest
Bearing Convertible Subordinated Debentures due 2001 issued by Thermo Ecotek
Corporation, the 6 1/2% Convertible Subordinated Debentures due 1997 and the
4 5/8% Convertible Subordinated Debentures due 2003 issued by Thermo TerraTech
Inc., the 6 5/8% Convertible Subordinated Debentures due 2001 issued by Thermo
Instrument Systems Inc., the Non-Interest Bearing Convertible Subordinated
Debentures due 1997 issued by Thermo Cardiosystems Inc., the 3 3/4% Convertible
Subordinated Debentures due 2000 issued by Thermo Voltek Corp., the 4 7/8%
Convertible Subordinated Debentures due 2000 issued by Thermo Remediation Inc.,
the 5% Convertible Subordinated Debentures due 2000 issued by ThermoQuest
Corporation and the 5% Convertible Subordinated Debentures due 2000 issued by
Thermo Optek Corporation. In addition, the obligations represented by the
Guarantees will rank pari passu with Thermo Electron's subordinated guarantee of
the obligations to redeem the common stock of ThermoLyte Corporation. The
obligation of ThermoLyte Corporation to redeem its common stock requires
ThermoLyte Corporation at the option of the holders to redeem up to an aggregate
of approximately
 
                                       41
<PAGE>   42
 
1,845,000 shares of its common stock for $10.00 per share at the end of 1998 and
1999. As of June 29, 1996, the aggregate outstanding principal amount of the
above obligations was approximately $1,100,289,000.
 
     In the event of any insolvency or bankruptcy proceedings, or any
receivership, liquidation, reorganization or other similar proceedings in
connection herewith, relative to Thermo Electron or to its creditors as such, or
to its property, or in the event of any proceedings for voluntary liquidation,
dissolution or other winding up, of Thermo Electron, or in the event of any
assignment for the benefit of creditors of Thermo Electron or any marshaling of
assets of Thermo Electron, the holders of all Senior Indebtedness of Thermo
Electron will be entitled to receive payment in full of the principal of and
premium, if any, and interest, including interest accruing after the
commencement of any such proceeding, on all Senior Indebtedness of Thermo
Electron, before holders of the Common Stock offered hereby will be entitled to
receive any payment in respect of the Guarantees. Upon the maturity of any
Senior Indebtedness of Thermo Electron by lapse of time, acceleration or
otherwise, such Senior Indebtedness of Thermo Electron shall first be paid in
full (to the same extent as provided in the preceding sentence) or provided for
before any payment is made by Thermo Electron, directly or indirectly, with
respect to the Redemption Rights. Upon the occurrence of any event of default
with respect to any Senior Indebtedness of Thermo Electron, as defined therein
or in the instrument under which it is outstanding, permitting the holders to
accelerate the maturity thereof, then, unless and until such event of default
shall have been cured or waived or shall have ceased to exist, no payment shall
be made by Thermo Electron, directly or indirectly, with respect to the
Redemption Rights. By reason of such subordination, in the event of insolvency,
creditors of Thermo Electron that are not holders of Senior Indebtedness of
Thermo Electron may recover less, ratably, than holders of Senior Indebtedness
of Thermo Electron and may recover more, ratably, than the holders of the
Guarantees.
 
                                       42
<PAGE>   43
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     Because of the unique features of the Units, it is not possible to provide
a definitive discussion of the characterization of the Common Stock for federal
income tax purposes, or of the federal income tax consequences of the purchase,
ownership and disposition of Units, Common Stock and Redemption Rights. The
discussion below represents the Company's view of the possible federal income
tax consequences of the purchase, ownership and disposition of the Securities
based on what the Company believes are the most likely characterizations of the
Common Stock and is provided for general information purposes only. The Company
has not sought a ruling from the Internal Revenue Service, or an opinion of
counsel, with respect to such matters. It is possible that characterizations
other than those discussed might apply and that the federal income tax
consequences may accordingly be different than those discussed.
 
     Purchasers are urged to consult their own tax advisors with regard to an
investment in the Units and as to the particular tax consequences to them
(including the effect and applicability of state, local, foreign and other tax
laws) of the purchase, ownership and disposition (including a disposition
pursuant to exercise of a Redemption Right) of Common Stock.
 
     The following discussion does not address the tax consequences of the
ownership of Units to purchasers based on their particular tax situations, and
is not intended to be applicable to all categories of purchasers, some of whom,
such as dealers in securities, insurance companies, tax-exempt organizations,
and foreign persons, will be subject to special rules.
 
TREATMENT OF COMMON STOCK AS EQUITY
 
     The Company intends to treat the Common Stock as equity for federal income
tax purposes. For financial accounting purposes the Common Stock will be treated
as Common Stock subject to redemption until the expiration of the Redemption
Rights.
 
     Whether the Common Stock is in fact determined to be equity for federal
income tax purposes during the period prior to the expiration of the Redemption
Rights is a question of fact, and no one factor is conclusive. Although no
definitive set of relevant factors exists, Section 385 of the Internal Revenue
Code of 1986, as amended (the "Code"), lists five factors that "may" be taken
into account in regulations, yet to be issued, setting forth rules for
determining whether an interest in a corporation is to be treated as equity or
debt for federal income tax purposes. These factors are (1) whether there is a
written unconditional promise to pay on demand or on a specified date a sum
certain in money in return for an adequate consideration in money or money's
worth, and to pay a fixed rate of interest, (2) whether there is a subordination
to or preference over any indebtedness of the corporation, (3) the ratio of debt
to equity of the corporation, (4) whether there is convertibility into the stock
of the corporation, and (5) the relationship between holdings of stock in the
corporation and the holdings of the interest in question. The Internal Revenue
Service has indicated that the intent of the parties in creating the instrument
is a factor that may be taken into account as well.
 
     An analysis of these factors indicates that it is likely, although not
certain, that the Common Stock will, in fact, be treated as equity for tax
purposes even prior to the expiration of the Redemption Rights. The Company is
obliged to redeem the Common Stock for a fixed amount of money upon exercise of
Redemption Rights at essentially predetermined dates, raising the possibility
that the Common Stock will during that time period be treated as convertible
debt. However, no provisions for interest payments or guaranteed dividends of
any sort are made. The Company is also prohibited from redeeming the Common
Stock to the extent that such redemptions are made at a time when the Company's
capital is impaired or when such redemptions would cause any impairment of the
Company's capital or if such redemptions are otherwise prohibited by law. Under
those circumstances, the Common Stock may be purchased by Thermo Electron
pursuant to the Guarantee in what will generally not be a redemption.
Furthermore, the Common Stock will be subordinated to all indebtedness of the
Company, the stock is voting stock, there are no "conversion" rights other than
a possible "deemed" conversion at the time of expiration of the Redemption
Periods, and, finally, the parties intend to create an equity interest
notwithstanding the contrary treatment for financial accounting purposes.
 
                                       43
<PAGE>   44
 
     The discussion that follows is premised on the characterization of the
Common Stock as equity and not as convertible debt. Section 385 of the Code
provides that the issuer's characterization of an interest in a corporation as
debt or equity will be binding on the issuer and all holders, but will not be
binding on the Internal Revenue Service. Accordingly, because the Company
intends to treat the Common Stock as equity for federal income tax purposes,
holders will not be able to treat the Common Stock as debt for such purposes. If
the Common Stock were to be treated as debt by the Internal Revenue Service or a
court, certain other considerations would apply. For example, distributions of
property by the Company with respect to the Common Stock would be treated as
interest, and not dividends, and so would not be eligible for the dividends
received deduction. Similarly, redemptions by the Company of the Common Stock
would not be subject to the rules of Section 302 of the Code, as discussed
below, but would instead be treated as payments of principal and interest.
 
SALE OF COMMON STOCK AND REDEMPTION RIGHTS
 
     In general, gain or loss will be recognized upon a sale of a share of
Common Stock or a Redemption Right. When the Common Stock and the associated
Redemption Right are "decoupled" and may be sold or otherwise disposed of
separately, the event of "decoupling" will not by itself cause the holder to
recognize gain or loss. The sale of Common Stock or Redemption Rights, whether
as a Unit or separately, will cause gain or loss to be recognized only with
respect to the Common Stock or Redemption Rights sold. The amount of such gain
or loss will be the difference between the amount received in exchange for the
Common Stock or Redemption Rights sold and the holder's adjusted basis in the
Common Stock or Redemption Rights sold. The holder's tax basis in a share of
Common Stock and the associated Redemption Right will be determined by
allocating the purchase price paid per Unit between the Common Stock and the
associated Redemption Right on the basis of the fair market value of each on the
date of issuance. Where the Common Stock and the associated Redemption Right are
sold together (e.g., as a Unit within the 90-day period before they are
"decoupled"), the precise allocation of basis would not generally alter the net
amount of gain or loss to the holder.
 
     Such gain or loss will generally be treated as capital gain or loss if the
Common Stock or Redemption Right sold was held as a capital asset. Such gain or
loss will be long term capital gain or loss if the Common Stock or Redemption
Right sold was held for more than one year, and short term capital gain or loss
if it has been held for one year or less. To the extent applicable, the straddle
rules, summarized below, will likely defer the commencement of a holder's
holding period for this purpose, resulting in short term capital gain or loss.
 
     Upon the lapse of a Redemption Right acquired on the same day as a share of
Common Stock identified as intended to be used in exercising such Redemption
Right, the cost of the Redemption Right (determined as described above with
respect to allocation of basis) will be added to the tax basis of such Common
Stock. Upon the lapse of a Redemption Right acquired at any other time, the
holder thereof will be treated as if the Redemption Right were sold or exchanged
on the date of such lapse. Under the straddle rules, summarized below, a risk
exists that all or part of any loss that may arise on a lapse of a Redemption
Right, or that arises from the sale of either the Common Stock or the Redemption
Right, while a holder holds the other component of the Unit, may not be
recognized until a sale or other disposition of the other component.
 
SHORT SALE AND STRADDLE RULES
 
     While the holding period of a share of Common Stock normally commences on
the date that it is acquired, under certain circumstances the holding period may
be suspended. It is possible that the right to cause the Company to redeem the
Common Stock will be characterized for federal income tax purposes as an option
to sell the Common Stock. In that case, it is possible that the short sale rules
of Section 1233 of the Code would apply, resulting in, among other possible
results, suspension of the holding period of each share of Common Stock until
the expiration of the Second Redemption Period (i.e., September 30, 2001) with
respect to that share. However, Section 1233(c) of the Code and Treas. Reg.
[Section]1.1233-1(c)(3) provide that, if the Common Stock is identified by
appropriate entries in the holder's records within fifteen days after the date
of its acquisition as subject to such option, the rules of Section 1233(b),
including the holding period suspension rules, will not apply.
 
     It is also possible that the Common Stock may also be considered to be a
tax straddle subject to the rules of Section 1092 of the Code, if the equity
aspect of the Common Stock and the Redemption Rights were considered to be
"offsetting positions" for this purpose. The tax straddle rules would apply only
if both (a) the Common Stock is
 
                                       44
<PAGE>   45
 
considered to be actively traded, and (b) the Redemption Rights are considered
to be either (i) "options" with respect to the Common Stock or substantially
identical stock or securities or (ii) a position with respect to substantially
similar or related property (other than stock). If the Common Stock is
considered to be a tax straddle, Temporary Treasury Regulations provide that the
holding period of a share of Common Stock generally will not begin earlier than
the expiration of the Second Redemption Period with respect to that share. In
addition, under Section 263(g) of the Code, interest and carrying charges
relating to a tax straddle are not deductible and must be capitalized and added
to basis.
 
DIVIDENDS; DIVIDENDS RECEIVED DEDUCTION
 
     The Company has never paid any cash dividends on its Common Stock, and
anticipates that no dividends will be paid in the foreseeable future. See "Risk
Factors -- Lack of Dividends." A distribution of property by the Company to its
shareholders will be treated as a dividend only to the extent of its accumulated
earnings and profits or its earnings and profits in the taxable year in which
such distributions occur. Any distribution of property by the Company that is
not a dividend would be treated first as a return of basis to the shareholder,
and then as gain from the sale or exchange of property.
 
     To the extent that the Company does have earnings and profits and does make
dividend distributions with respect to shares of Common Stock, corporate holders
would generally be eligible for the dividends received deduction. This deduction
generally equals 70% of the amount received as dividends, although corporations
owning 20% or more of the stock of the Company are eligible for an 80%
deduction. Corporate holders would be eligible for the dividends received
deduction only if, among other things, the Common Stock is held for more than 45
days. Under Section 246(c) of the Code, the holding period of Common Stock will
be suspended for any periods for which the holder has, among other things, (i)
an option to sell such Common Stock or (ii) under regulations to be prescribed
by the Treasury a diminished risk of loss by holding one or more other positions
with respect to substantially similar or related property. It is possible that
the Redemption Rights would be considered an option or other position triggering
the suspension of the holding period under Section 246(c) of the Code.
 
     For corporate holders of Common Stock, Section 246A of the Code reduces the
dividends received deduction in the case of "debt-financed portfolio stock."
Debt-financed portfolio stock is defined as portfolio stock, such as the Common
Stock, acquired or carried by the corporate holder with indebtedness that is
"directly attributable" to the investment in such stock. The reduction is
generally a fraction, the numerator of which is the amount of the holder's
indebtedness attributable to such stock and the denominator of which is the
holder's adjusted tax basis in the stock.
 
     In addition, any such dividends received by corporate holders would be
subject to the provisions of Section 1059 of the Code relating to "extraordinary
dividends" if the Common Stock with respect to which the dividend is considered
paid has not been held for more than two years and the amount of the dividend is
considered extraordinary. For this purpose, the holding period of the Common
Stock will be considered suspended under rules similar to those applicable to
the determination of the availability of the dividends received deduction. In
general, a dividend paid with respect to common stock is treated as an
extraordinary dividend if it equals or exceeds ten percent of the shareholder's
adjusted basis in the stock. Dividends that have ex-dividend dates within 85
consecutive days are aggregated for this purpose. An aggregation period of one
year applies if the aggregated dividends exceed 20 percent of the shareholder's
basis. In addition, except as may be provided in regulations yet to be proposed
or promulgated, Section 1059(e)(1) of the Code provides that the extraordinary
dividend rules of Section 1059 will apply to any redemption of Common Stock of
the Company that is not pro rata as to all shareholders. If a dividend is
subject to the rules of Section 1059, the tax basis of the holder's remaining
Common Stock will be reduced by the "non-taxed portion" of the dividend. If the
non-taxed portion exceeds the tax basis, such excess will be treated as gain
from the sale of Common Stock upon disposition of that Common Stock.
 
CONSEQUENCES OF THE REDEMPTION OF COMMON STOCK
 
     The amount of cash received by a holder of Common Stock on the redemption
of that Common Stock by the Company will be treated either (i) as a distribution
by the Company in exchange for its stock, in which case the holder will
recognize gain or loss measured by the difference between the amount realized
and the holder's tax basis for the Common Stock surrendered or (ii) as a
distribution of property to which Section 301 applies (that is, as a dividend,
to the extent of the Company's earnings and profits; see "Dividends; Dividends
Received Deduction,"
 
                                       45
<PAGE>   46
 
above). For this purpose, the determination of whether the distribution will be
treated as an exchange for stock or as a Section 301 distribution will be made
in accordance with the provisions of Section 302 of the Code, as explained
below.
 
     Under Section 302 of the Code, a holder will not be treated as having
received a Section 301 distribution upon the redemption of Common Stock if (1)
the redemption results in the complete termination of the holder's interest in
the Company, (2) the holder's percentage ownership of the outstanding Common
Stock of the Company (and voting stock if any voting stock other than Common
Stock is outstanding) immediately after such redemption is less than 80% of such
holder's percentage ownership of the total of such outstanding stock immediately
before the redemption, or (3) the distribution from the Company upon such
redemption is not "essentially equivalent to a dividend" based on the individual
holder's particular facts and circumstances. For purposes of making these
determinations, the holder's percentage ownership will in general be calculated
by taking into account all shares owned by him, including those deemed to be
owned by him pursuant to Section 318 of the Code. Section 318 of the Code
provides that in applying the above rules, a holder is considered to own shares
directly or indirectly owned by certain members of his family or certain related
entities and to own shares with respect to which he holds options.
 
     For a redemption of Common Stock to qualify as "not essentially equivalent
to a dividend," it must result in a "meaningful reduction" in the holder's
percentage interest in the Company. The Internal Revenue Service has indicated
in a published ruling that any reduction in percentage interest of a small
stockholder in a publicly held corporation who exercises no control over
corporate affairs may constitute such a "meaningful reduction," although in
another ruling the Internal Revenue Service has indicated that under
circumstances that may correspond to certain redemptions made under the terms of
this offering no "meaningful reduction" will be found despite a reduction in a
shareholder's percentage interest in the Company. Specifically, an actual
reduction in percentage interest is required, and if a distribution results in
no reduction or an increase in percentage interest, the distribution proceeds
will, in general, be treated as a dividend. In applying these rules, other
transactions that are part of an overall plan may be taken into account. In view
of the terms of this offering, a redemption can result in an increase in a
holder's percentage interest in the Company by reason of redemptions effected
simultaneously by other holders of the Company's Common Stock. This result could
occur, for example, if a shareholder owning a small number of shares tendered a
relatively small percentage (e.g., 1%) of his Common Stock during the Redemption
Period while other shareholders, in the aggregate, tendered a much larger
percentage (e.g., 30%). Although, in such cases, holders could avoid dividend
treatment by selling Common Stock rather than redeeming it, there can be no
assurance that there will be a market for the Common Stock or that if such a
market exists the proceeds received will not be substantially less than those
that would be received by redemption.
 
     In the event that, upon the tendering of Common Stock during a Redemption
Period, Thermo Electron is required to acquire the tendered Common Stock
pursuant to the terms of the Guarantee, it is probable that no redemption of the
tendered Common Stock will be deemed to have occurred (absent circumstances in
which the selling holder is deemed to be in control of the Company and Thermo
Electron). If Thermo Electron is the purchaser, the holder will probably be
deemed to have disposed of the Common Stock through a sale or exchange, the
consequences of which are discussed in "Sale of Common Stock and Redemption
Rights" above.
 
     If a redemption is not treated as a Section 301 distribution, any gain or
loss recognized will be capital gain or loss if the redeemed Common Stock is
held as a capital asset. Such gain or loss will be long term or short term
depending on the holding period of such Common Stock. See "Sale of Common Stock
and Redemption Rights" above.
 
     If (i) redemptions during a Redemption Period are treated as dividends,
(ii) the redemptions are considered to be part of a plan of periodic redemptions
and not as isolated transactions within the meaning of Treas. Reg. 
[section]1.305-3(b)(3), and (iii) the Common Stock is not considered to be part
of a security arrangement within the meaning of Treas. Reg. [section]1.305-3(e)
Example (14), then the holders of Common Stock whose proportionate interests in
the earnings and profits of the Company increase as the result of the 
redemptions would be treated as having received deemed dividend income under 
the rules of Sections 305(b)(2) and 305(c) of the Code. The amount of such 
deemed distribution to each such holder would be measured by the fair market 
value of the number of shares that would have been distributed to such holder 
had the Company sought to increase that holder's interest by the actual
 
                                       46
<PAGE>   47
 
amount of the increase, assuming that the other shareholders' interests in the
Company remained constant. See Treas. Reg. [section]1.305-3(e) Examples (8) and
(9).
 
     President Clinton has recently introduced legislation which, if enacted
into law, could change the federal income tax consequences attributable to the
purchase, ownership and/or disposition of Units, Common Stock or Redemption
Rights as described herein. Specifically, the legislation proposes, among other
things, certain rules regarding the basis of substantially identical securities;
constructive sales treatment for appreciated financial positions, if taxpayers
enter into certain transactions which substantially eliminate risk of loss and
opportunity for gain with respect to such appreciated financial positions
(including short sales and options); and the characterization of interest as
equity versus debt. It is possible that this legislation, if enacted into law,
could require holders to recognize gain in connection with the ownership of
Common Stock prior to the date that the Common Stock is sold, if the Redemption
Rights are treated as substantially eliminating the holder's risk of loss and
opportunity for gain with respect to the Common Stock. If the Redemption Rights
are substantially certain to be exercised then the holder's opportunity for gain
may be eliminated. Since the legislation currently provides for retroactive
effective dates, there can be no assurance that this legislation or any other
legislation would not materially change the federal income tax consequences
described herein.
 
                        SHARES ELIGIBLE FOR FUTURE SALE
 
     Upon completion of this offering, there will be 14,100,000 shares of Common
Stock of the Company outstanding (assuming no exercise of the Underwriters'
over-allotment option). The shares issued in this offering will be freely
tradable without restriction or further registration under the Securities Act,
except that any shares purchased by affiliates of the Company, as that term is
defined in Rule 144 under the Securities Act, may generally only be resold in
compliance with applicable provisions of Rule 144.
 
     Of such 14,100,000 outstanding shares, 10,000,000 shares will be owned by
Thermo Fibertek. Thermo Fibertek has agreed that, without the prior written
consent of the Representatives (as defined below under the caption
"Underwriters"), it will not offer, sell, grant any option to purchase or
otherwise dispose of any shares of the Common Stock within 180 days after the
date of this Prospectus, other than (i) shares of Common Stock to be sold to the
Underwriters in this offering, (ii) the issuance of options and sales of shares
of Common Stock pursuant to existing stock-based compensation plans, (iii)
shares of Common Stock which may be sold to Thermo Fibertek, and (iv) the
issuance of shares of Common Stock as consideration for the acquisition of one
or more businesses (provided that such Common Stock may not be resold prior to
the expiration of the 180-day period referenced above). Upon expiration of this
lock-up agreement, Thermo Fibertek may sell its shares of Common Stock in an
offering registered under the Securities Act or pursuant to an exemption from
such registration. So long as Thermo Fibertek is able to elect a majority of the
Board of Directors it will be able to cause the Company at any time to register
under the Securities Act all or a portion of the Common Stock owned by Thermo
Fibertek or its affiliates, in which case it would be able to sell such shares
without restriction upon effectiveness of the registration statement.
 
     In general, under Rule 144 as currently in effect, a person (or persons
whose shares are aggregated) who has beneficially owned restricted shares for at
least two years is entitled to sell, within any three-month period, a number of
such shares that does not exceed the greater of (i) 1% of the then outstanding
shares of Common Stock or (ii) the average weekly trading volume in the Common
Stock during the four calendar weeks preceding the date of the notice filed
pursuant to Rule 144. Sales under Rule 144 are also subject to certain manner of
sale restrictions and notice requirements and to the availability of current
public information about the Company. In addition, a person who is deemed an
"affiliate" of the Company must comply with Rule 144 in any sale of shares of
Common Stock not covered by a registration statement (except, in the case of
registered shares acquired by the affiliate on the open market, for the holding
period requirement). A person (or person whose shares are aggregated) who is not
deemed an "affiliate" of the Company and who has beneficially owned restricted
shares for at least three years is entitled to sell such shares under Rule
144(k) without regard to the volume, notice and other limitations of Rule 144.
In meeting the two and three year holding periods described above, a holder of
restricted shares can include the holding periods of a prior owner who was not
an affiliate.
 
     The Company has reserved 825,000 shares for grants under its existing
stock-based compensation plans. As of August 31, 1996, the Company had options
outstanding to purchase 338,000 shares of Common Stock to certain of
 
                                       47
<PAGE>   48
 
its employees, officers and directors at an exercise price of $10.00 per share.
None of such options are currently exercisable. Ninety days after the completion
of the Company's initial public offering, such options will become immediately
exercisable, subject to the right of the Company to repurchase the underlying
shares over a five to ten year period depending upon the term of the option. As
of August 31, 1996, the repurchase right had not lapsed as to any shares
issuable upon exercise of outstanding options. The Company has reserved 487,000
shares for future grant under plans. The Company intends to file registration
statements under the Securities Act to register all shares of Common Stock
issuable under such plans. Shares covered by these registration statements will
be eligible for sale in the public market after the effective date of such
registration statements.
 
     Each of the Company, Thermo Fibertek and Thermo Electron has agreed that it
will not offer, sell, grant any option to purchase or otherwise dispose of any
shares of Common Stock (except for the grant of options and the sale of shares
of Common Stock pursuant to stock-based compensation plans, sales to Thermo
Fibertek and the issuance of shares as consideration for the acquisition of one
or more businesses (provided that such shares may not be resold prior to the
expiration of 180 days after the date of this Prospectus)) within 180 days after
the date of this Prospectus, without the prior consent of the Representatives of
the Underwriters.
 
     Prior to this offering there has been no public market for the Common
Stock. The effect, if any, of public sales or the availability of shares for
sale at prevailing market prices cannot be predicted. Nevertheless, sales of
substantial amounts of shares in the public market could adversely affect
prevailing market prices.
 
                                       48
<PAGE>   49
 
                                  UNDERWRITING
<TABLE>
 
     Subject to the terms and conditions set forth in the Underwriting
Agreement, each of the Underwriters named below, for whom NatWest Securities
Limited, Lehman Brothers Inc. and Oppenheimer & Co., Inc. are acting as
Representatives (the "Representatives"), has severally agreed to purchase from
the Company the following respective number of Units at the public offering
price less the underwriting discounts and commissions set forth on the cover
page of this Prospectus:
 
<CAPTION>
                                    UNDERWRITER                             NUMBER OF UNITS
                                    -----------                             ---------------
          <S>                                                                  <C>
          NatWest Securities Limited......................................     1,640,000
          Lehman Brothers Inc. ...........................................     1,640,000
          Oppenheimer & Co., Inc. ........................................       820,000
                                                                               ---------
               Total......................................................     4,100,000
                                                                               =========
</TABLE>
 
     The Underwriting Agreement provides that the obligations of the
Underwriters are subject to certain conditions precedent. The nature of the
Underwriters' obligations is that they are committed to purchase all Units
offered hereby if any such Units are purchased.
 
     The Company has been advised by the Representatives that the Underwriters
propose to offer the Units directly to the public at the public offering price
set forth on the cover page of this Prospectus, and to certain selected dealers
(who may include the Underwriters) at such price less a selling concession not
in excess of $.49 per Unit. The Underwriters may allow and such dealers may
re-allow a concession not in excess of $.10 per Unit to certain other dealers
(who may include the Underwriters). After commencement of the offering to the
public, the public offering price and other selling terms may be changed by the
Representatives. The Representatives have informed the Company that the
Underwriters do not intend to confirm sales of Units to any accounts over which
they exercise discretionary authority.
 
     The Company has granted to the several Underwriters an option, exercisable
not later than 30 days after the date of this Prospectus, to purchase up to
615,000 additional Units at the public offering price, less the aggregate
underwriting discounts and commissions, set forth on the cover page of this
Prospectus, solely to cover over-allotments. To the extent that the Underwriters
exercise such option, each of the Underwriters will be committed, subject to
certain conditions, to purchase a number of such Units proportionate to such
Underwriter's initial commitment.
 
     The Underwriting Agreement provides that the Company, Thermo Fibertek and
Thermo Electron will indemnify the Underwriters against certain liabilities,
including liabilities under the Securities Act, and to contribute to payments
that the Underwriters may be required to make in respect thereof.
 
     The Company, Thermo Fibertek and Thermo Electron have also agreed that they
will not, without the Representatives' prior written consent, offer, sell, grant
any options to purchase or otherwise dispose of any shares of Common Stock
within 180 days after the date of this Prospectus, other than (i) the shares of
Common Stock to be sold to the Underwriters in this offering, (ii) the issuance
of options and sales of Common Stock pursuant to currently existing stock-based
compensation plans, (iii) sales of shares to Thermo Fibertek, and (iv) the
issuance of shares of Common Stock as consideration for the acquisition of one
or more businesses (provided that such Common Stock may not be resold prior to
the expiration of the 180-day period referenced above). See "Shares Eligible for
Future Sale" and "Risk Factors -- Shares Eligible for Future Sale."
 
     Certain of the Underwriters from time to time have performed various
investment banking services for Thermo Electron and its subsidiaries.
 
                                       49
<PAGE>   50
 
     NatWest Securities Limited, a United Kingdom broker-dealer and a member of
the Securities and Futures Authority Limited, has agreed that, as part of the
distribution of the Units offered hereby and subject to certain exceptions, it
will not offer or sell any Units within the United States, its territories or
possessions or to persons who are citizens thereof or residents therein. The
Underwriting Agreement does not limit sales of Units offered hereby outside of
the United States.
 
     NatWest Securities Limited has also represented and agreed that (i) it has
not offered or sold and will not offer or sell any Units to persons in the
United Kingdom except to persons whose ordinary activities involve them in
acquiring, managing, holding or disposing of investments (as principal or agent)
for the purpose of their businesses or otherwise in circumstances which have not
resulted and will not result in an offer to the public in the United Kingdom
within the meaning of the Public Offers of Securities Regulations 1995 or the
Financial Services Act 1986 (the "Act"), (ii) it has complied and will comply
with all applicable provisions of the Act with respect to anything done by it in
relation to the Units in, from or otherwise involving the United Kingdom; (iii)
it has only issued or passed on and will only issue or pass on, in the United
Kingdom any document received by it in connection with the issue of the Units,
other than any document which consists of or any part of listing particulars,
supplementary listing particulars or any other document or instrument required
or permitted to be published by listing rules under Part IV of the Act, to a
person who is of a kind described in Article 11(3) of the Financial Services Act
1986 (Investment Advertisements) (Exemptions) (No. 2) Order 1995 or is a person
to whom the document may otherwise be lawfully issued or passed on.
 
     Prior to this offering there has been no public market for the Units, the
Common Stock or the Redemption Rights. The initial public offering price for the
Units was determined by negotiation among the Company and the Representatives.
Among the factors considered in determining the initial public offering price
were prevailing market and economic conditions, estimates of the business
potential and prospects of the Company, the state of the Company's business
operations, an assessment of the Company's management, the consideration of the
above factors in relation to market valuations of companies in related
businesses and other factors deemed relevant.
 
                                 LEGAL OPINIONS
 
     The validity of the issuance of the Securities offered hereby will be
passed upon for the Company and Thermo Electron by Seth H. Hoogasian, Esq.,
General Counsel of the Company, Thermo Fibertek and Thermo Electron, and certain
legal matters will be passed upon for the Underwriters by Testa, Hurwitz &
Thibeault, LLP, Boston, Massachusetts. Mr. Hoogasian is a full-time employee of
Thermo Electron and owns or has the right to acquire 5,000 shares of Common
Stock, 51,750 shares of common stock of Thermo Fibertek and 115,927 shares of
common stock of Thermo Electron.
 
                                    EXPERTS
 
     The financial statements of the Company and Thermo Electron included or
incorporated by reference in this Prospectus and the financial statement
schedule incorporated by reference in the Registration Statement of which this
Prospectus forms a part have been audited by Arthur Andersen LLP, independent
public accountants, to the extent and for the periods as indicated in their
reports with respect thereto, and are included or incorporated by reference
herein in reliance upon the authority of said firm as experts in accounting and
auditing in giving said reports. Reference is made to said report with respect
to Thermo Electron's financial statements which includes an explanatory fourth
paragraph with respect to the change in method of accounting for investments in
debt and marketable equity securities in 1994 as discussed in Note 2 to the
financial statements.
 
     The financial statements of Granulation Technology, Inc. and Biodac, a
division of Edward Lowe Industries, Inc., included in this Prospectus have been
audited by Crowe, Chizek and Company LLP, independent public accountants, to the
extent and for the periods as indicated in their reports with respect thereto,
and are included herein in reliance upon the authority of said firm as experts
in accounting and auditing in giving said reports.
 
                          REPORTS TO SECURITY HOLDERS
 
     The Company intends to furnish holders of the Units, the Common Stock
and/or the Redemption Rights offered hereby with annual reports containing
financial statements audited by an independent public accounting firm
 
                                       50
<PAGE>   51
 
and with quarterly reports containing unaudited summary financial statements for
each of the first three quarters of each fiscal year.
 
                             ADDITIONAL INFORMATION
 
     The Company and Thermo Electron have filed with the Securities and Exchange
Commission (the "Commission") a combined registration statement on Form S-1 and
S-3 (together with all amendments and exhibits thereto, the "Registration
Statement") under the Securities Act of 1933, as amended, with respect to the
Securities offered hereby. This Prospectus does not contain all of the
information set forth in the Registration Statement, certain parts of which are
omitted in accordance with the rules and regulations of the Commission. For
further information with respect to the Company, Thermo Electron, the Units and
the Guarantees, reference is made to the Registration Statement, copies of which
may be obtained upon payment of the fees prescribed by the Commission from the
Public Reference Section of the Commission, 450 Fifth Street, N.W., Washington,
D.C. 20549, and at the Commission's regional offices at 7 World Trade Center,
New York, New York 10048 and at 500 West Madison Street, Chicago, Illinois
60661. The Commission also maintains a Web site that contains reports, proxy and
information statements and other information regarding registrants that file
electronically with the Commission, including the Company and Thermo Electron.
The address of such site is http://www.sec.gov.
 
     Thermo Electron is subject to the informational requirements of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and in
accordance therewith files reports, proxy statements and other information with
the Commission. Such reports, proxy statements and other information can be
inspected and copied at the public reference facilities maintained by the
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549, and at the
Commission's regional offices at 7 World Trade Center, New York, New York 10048
and at 500 West Madison Street, Chicago, Illinois 60661. Copies of such material
can also be obtained from the Public Reference Section of the Commission at 450
Fifth Street, N.W., Washington, D.C. 20549 at prescribed rates. The common stock
of Thermo Electron is listed on the New York Stock Exchange, and the reports,
proxy statements and other information filed by Thermo Electron with the
Commission can be inspected at the offices of the New York Stock Exchange, 20
Broad Street, New York, New York 10005.
 
                                       51
<PAGE>   52
<TABLE>
 
                                  INDEX TO FINANCIAL STATEMENTS
 
<CAPTION>
                                                                                             PAGE
                                                                                             ----
<S>                                                                                          <C>
THERMO FIBERGEN INC.
     Report of Independent Public Accountants..............................................   F-2
     Statement of Operations for the years ended January 1, 1994, December 31, 1994 and
      December 30, 1995, Inception through December 30, 1995 and the six months ended July
      1, 1995 and June 29, 1996............................................................   F-3
     Balance Sheet as of December 31, 1994, December 30, 1995 and June 29, 1996............   F-4
     Statement of Cash Flows for the years ended January 1, 1994, December 31, 1994 and
      December 30, 1995, Inception through December 30, 1995 and the six months ended July
      1, 1995 and June 29, 1996............................................................   F-5
     Statement of Shareholder's Investment for the years ended January 1, 1994, December
      31, 1994 and December 30, 1995 and the six months ended June 29, 1996................   F-6
     Notes to Financial Statements.........................................................   F-7

GRANULATION TECHNOLOGY, INC. AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
     Report of Independent Auditors........................................................  F-11
     Combined Statement of Operations for the years ended September 30, 1993, 1994 
      and 1995 and for the nine months ended June 30, 1995 and 1996........................  F-12
     Combined Balance Sheet as of September 30, 1994 and 1995 and June 30, 1996............  F-13
     Combined Statement of Cash Flows for the years ended September 30, 1993, 1994 
      and 1995 and for the nine months ended June 30, 1995 and 1996........................  F-14
     Combined Statement of Shareholder's Equity (Deficit) for the years ended 
      September 30, 1993, 1994 and 1995 and for the nine months ended June 30, 1996........  F-15
     Notes to Combined Financial Statements................................................  F-16

PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS OF THERMO FIBERGEN INC. AND GRANULATION
  TECHNOLOGY, INC. AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC. (UNAUDITED)
     Pro Forma Combined Condensed Statement of Operations for the twelve months ended
      December 30, 1995....................................................................  F-20
     Pro Forma Combined Condensed Statement of Operations for the six months ended
       June 29, 1996.......................................................................  F-21
     Pro Forma Combined Condensed Balance Sheet as of June 29, 1996........................  F-22
     Notes to Pro Forma Combined Condensed Financial Statements............................  F-23
</TABLE>
 
                                       F-1
<PAGE>   53
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To Thermo Fibergen Inc.:
 
     We have audited the accompanying balance sheet of Thermo Fibergen Inc. (a
Delaware corporation in the development stage and 100%-owned subsidiary of
Thermo Fibertek Inc.) as of December 31, 1994 and December 30, 1995, and the
related statements of operations, shareholder's investment, and cash flows for
each of the three years in the period ended December 30, 1995, and the
statements of operations and cash flows for the period from inception (December
29, 1991) through December 30, 1995. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Thermo Fibergen Inc. as of
December 31, 1994 and December 30, 1995, and the results of its operations and
cash flows for each of the three years in the period ended December 30, 1995 and
for the period from inception through December 30, 1995, in conformity with
generally accepted accounting principles.
 
                                       ARTHUR ANDERSEN LLP
 
Boston, Massachusetts
July 3, 1996
 
                                       F-2
<PAGE>   54
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
<TABLE>
 
                                            STATEMENT OF OPERATIONS
                                     (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<CAPTION>
                                                                        INCEPTION         SIX MONTHS ENDED
                                                                         THROUGH       ----------------------
                                                                       DECEMBER 30,    JULY 1,     JUNE 29,
                                       1993       1994       1995          1995         1995         1996
                                      -------    -------    -------    ------------    -------    -----------
                                                                                            (UNAUDITED)
<S>                                   <C>        <C>        <C>           <C>          <C>          <C>
Costs and Operating Expenses:
  Research and development
     expenses.......................  $   106    $   128    $   601       $   982      $   276      $   548
                                      -------    -------    -------       -------      -------      -------
Operating Loss......................     (106)      (128)      (601)         (982)        (276)        (548)
Interest Income.....................    --         --         --            --            --            267
                                      -------    -------    -------       -------      -------      -------
Loss Before Income Taxes............     (106)      (128)      (601)         (982)        (276)        (281)
Income Taxes (Note 3)...............    --         --         --            --            --          --
                                      -------    -------    -------       -------      -------      -------
NET LOSS............................  $  (106)   $  (128)   $  (601)      $  (982)     $  (276)     $  (281)
                                      =======    =======    =======       =======      =======      =======
LOSS PER SHARE......................  $  (.01)   $  (.01)   $  (.06)      $  (.10)     $  (.03)     $  (.03)
                                      =======    =======    =======       =======      =======      =======
WEIGHTED AVERAGE SHARES.............   10,073     10,073     10,073        10,073       10,073       10,073
                                      =======    =======    =======       =======      =======      =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-3
<PAGE>   55
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
<TABLE>
 
                                           BALANCE SHEET
                                (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<CAPTION>
                                                                                            JUNE 29,
                                                                    1994        1995          1996
                                                                   -------     -------     -----------
                                                                                           (UNAUDITED)
<S>                                                                <C>         <C>           <C>
ASSETS
Current Assets:
  Cash and cash equivalents......................................  $ --        $ --          $12,513
  Other current assets...........................................    --          --               17
                                                                   ----        ----          -------
                                                                     --          --           12,530
                                                                   ----        ----          -------
Machinery and Equipment, at Cost.................................    --          --              219
  Less: Accumulated depreciation.................................    --          --             --
                                                                   ----        ----          -------
                                                                     --          --              219
                                                                   ----        ----          -------
Other Assets.....................................................    --          --               11
                                                                   ----        ----          -------
                                                                   $ --        $ --          $12,760
                                                                   ====        ====          =======
LIABILITIES AND SHAREHOLDER'S INVESTMENT
Current Liabilities:
  Other accrued liabilities......................................  $ --        $ --          $    38
  Due to parent company..........................................    --          --              409
                                                                   ----        ----          -------
                                                                     --          --              447
                                                                   ----        ----          -------
Shareholder's Investment (Notes 4 and 5):
  Net parent company investment..................................    --          --             --
  Common stock, $.01 par value, 25,000,000 shares authorized;
     10,000,000 shares issued and outstanding....................    --          --              100
  Capital in excess of par value (includes deficit accumulated
     during the development stage through capitalization of the
     Company of $1,076)..........................................    --          --           12,400
  Deficit accumulated during the development stage subsequent to
     capitalization of the Company...............................    --          --             (187)
                                                                   ----        ----          -------
                                                                     --          --           12,313
                                                                   ----        ----          -------
                                                                   $ --        $ --          $12,760
                                                                   ====        ====          =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-4
<PAGE>   56
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
<TABLE>
 
                                            STATEMENT OF CASH FLOWS
                                                (IN THOUSANDS)
 
<CAPTION>
                                                                                             SIX MONTHS
                                                                          INCEPTION             ENDED
                                                                           THROUGH       -------------------
                                                                         DECEMBER 30,    JULY 1,    JUNE 29,
                                              1993     1994     1995         1995         1995        1996
                                              -----    -----    -----    ------------    -------    --------
                                                                                             (UNAUDITED)
<S>                                           <C>      <C>      <C>          <C>           <C>       <C>
Operating Activities:
  Net loss..................................  $(106)   $(128)   $(601)       $(982)        $(137)    $  (281)
  Adjustments to reconcile net loss to net
     cash used in operating activities:
     Changes in current accounts:
       Other current assets.................    --       --       --           --            --          (17)
       Other current liabilities............    --       --       --           --            --           38
                                              -----    -----    -----        -----         -----     -------
          Net cash used in operating
            activities......................   (106)    (128)    (601)        (982)         (137)       (260)
                                              -----    -----    -----        -----         -----     -------
Investing Activities:
  Purchases of machinery and equipment......    --       --       --           --            --         (219)
  Due to parent company and affiliates......    --       --       --           --            --          409
  Other.....................................    --       --       --           --            --          (11)
                                              -----    -----    -----        -----         -----     -------
          Net cash provided by investing
            activities......................    --       --       --           --            --          179
                                              -----    -----    -----        -----         -----     -------
Financing Activities:
  Transfers from parent company.............    106      128      601          982           137          94
  Cash transfer from parent company in
     connection with capitalization of the
     Company................................    --       --       --           --            --       12,500
                                              -----    -----    -----        -----         -----     -------
          Net cash provided by financing
            activities......................    106      128      601          982           137      12,594
                                              -----    -----    -----        -----         -----     ------- 
Increase in Cash and Cash Equivalents.......    --       --       --           --            --       12,513
Cash and Cash Equivalents at Beginning
  of Period.................................    --       --       --           --            --          --
                                              -----    -----    -----        -----         -----     -------
Cash and Cash Equivalents at End
  of Period.................................  $ --     $ --     $ --         $ --          $ --      $12,513
                                              =====    =====    =====        =====         =====     =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-5
<PAGE>   57
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
<TABLE>
 
                                       STATEMENT OF SHAREHOLDER'S INVESTMENT
                                                 (IN THOUSANDS)
 
<CAPTION>
                                                                                       DEFICIT ACCUMULATED
                                                                                           DURING THE
                                                  NET         COMMON      CAPITAL       DEVELOPMENT STAGE
                                                 PARENT       STOCK,     IN EXCESS        SUBSEQUENT TO
                                                COMPANY      $.01 PAR      OF PAR        CAPITALIZATION
                                                INVESTMENT    VALUE        VALUE         OF THE COMPANY
                                                ----------   --------    ---------     -------------------
<S>                                             <C>           <C>       <C>                  <C>
BALANCE JANUARY 2, 1993.......................  $  --         $ --      $    --              $  --
Net loss......................................      (106)       --           --                 --
Net transfer from parent company..............       106        --           --                 --
                                                --------      ----      -------              -----
BALANCE JANUARY 1, 1994.......................     --           --           --                 --
Net loss......................................      (128)       --           --                 --
Net transfer from parent company..............       128        --           --                 --
                                                --------      ----      -------              -----
BALANCE DECEMBER 31, 1994.....................     --           --           --                 --
Net loss......................................      (601)       --           --                 --
Net transfer from parent company..............       601        --           --                 --
                                                --------      ----      -------              -----
BALANCE DECEMBER 30, 1995.....................     --           --           --                 --
                                                                       (UNAUDITED)
Net loss prior to capitalization of the
  Company.....................................       (94)       --           --                 --
Net transfer from parent company..............        94        --           --                 --
Cash transfer from parent company in
  connection with capitalization of the
  Company.....................................    12,500        --           --                 --
Capitalization of the Company.................   (12,500)      100       12,400                 --
Net loss after capitalization of the
  Company.....................................     --           --           --               (187)
                                                --------      ----      -------              -----
BALANCE JUNE 29, 1996.........................  $  --         $100      $12,400              $(187)
                                                ========      ====      =======              =====
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-6
<PAGE>   58
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
 
                         NOTES TO FINANCIAL STATEMENTS
 
1.  NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Nature of Operations
 
     Thermo Fibergen Inc. (the "Company") was established as a subsidiary of
Thermo Fibertek Inc. ("Thermo Fibertek") to develop and commercialize equipment
and systems to recover valuable materials from pulp residue generated by plants
that produce recycled pulp and paper. The Company is in the development stage,
has yet to generate any revenues, and has no assurance of future revenues. To
the Company's knowledge, no Company has yet developed commercially stable
products using the proposed technology. Even if successful, substantial time
will pass before significant revenues might be realized. Further, during the
period required to develop the commercial product, the Company may require
additional funds that may not be available to it. Research and development began
on December 29, 1991 (the date of inception).
 
  Relationship with Thermo Fibertek and Thermo Electron Corporation
 
     The Company was incorporated on February 12, 1996 as a wholly owned
subsidiary of Thermo Fibertek, at which time Thermo Fibertek was an 81%-owned
subsidiary of Thermo Electron Corporation ("Thermo Electron"). Thermo Fibertek
transferred to the Company a license to use certain technology and its business
relating to the development of its fiber-recovery system in the paper and pulp
industries, together with $12,500,000 in cash, in exchange for 10,000,000 shares
of the Company's common stock, representing all of such stock outstanding.
 
  Fiscal Year
 
     The Company has adopted a fiscal year ending the Saturday nearest December
31. References to 1993, 1994 and 1995 are for the fiscal years ended January 1,
1994, December 31, 1994 and December 30, 1995, respectively.
 
  Income Taxes
 
     The Company and Thermo Fibertek entered into a tax allocation agreement
under which the Company and Thermo Fibertek are included in Thermo Electron's
consolidated federal and state income tax returns. If Thermo Fibertek's equity
ownership of the Company were to drop below 80%, the Company would be required
to file its own income tax returns.
 
     In accordance with Statement of Financial Accounting Standards ("SFAS") No.
109, "Accounting for Income Taxes," the Company recognizes deferred income taxes
based on the expected future tax consequences of differences between the
financial statement basis and the tax basis of assets and liabilities calculated
using enacted tax rates in effect for the year in which the differences are
expected to be reflected in the tax return.
 
  Loss per Share
 
     Pursuant to Securities and Exchange Commission requirements loss per share
have been presented for all periods. Weighted average shares for all periods
represent 10,000,000 shares issued to Thermo Fibertek in connection with the
capitalization of the Company and the effect of the assumed exercise of stock
options issued within one year prior to the Company's proposed initial public
offering.
 
  Cash and Cash Equivalents
 
     Prior to its incorporation in February 1996, the Company's cash
disbursements were combined with other Thermo Fibertek corporate cash balances.
Subsequent to the Company's incorporation, the Company's cash equivalents were
invested in a repurchase agreement with Thermo Electron. Under this agreement,
the
 
                                       F-7
<PAGE>   59
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
Company in effect lends excess cash to Thermo Electron, which Thermo Electron
collateralizes with investments principally consisting of U.S. government agency
securities, corporate notes, commercial paper, money market funds and other
marketable securities, in the amount of at least 103% of such obligation. The
Company's funds subject to the repurchase agreement are readily convertible into
cash by the Company and have an original maturity of three months or less. The
repurchase agreement earns a rate based on the 90-day Commercial Paper Composite
Rate plus 25 basis points, set at the beginning of each quarter. Cash
equivalents are carried at cost, which approximates market value.
 
  Machinery and Equipment
 
     The costs of additions and improvements are capitalized, while maintenance
and repairs are charged to expense as incurred. The Company provides for
depreciation using the straight-line method over the estimated useful life of
its machinery and equipment, which is five years.
 
  Use of Estimates
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements, and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
  Interim Financial Statements
 
     The financial statements as of June 29, 1996 and for the six-month periods
ended July 1, 1995 and June 29, 1996, are unaudited but, in the opinion of
management, reflect all adjustments of a normal recurring nature necessary for a
fair presentation of results for these interim periods. The results of
operations for the six-month period ended June 29, 1996 are not necessarily
indicative of the results to be expected for the entire year.
 
2.  EMPLOYEE BENEFIT PLAN
 
     Substantially all of the Company's employees are eligible to participate in
an employee stock purchase plan sponsored by Thermo Fibertek. Prior to the
November 1995 plan year, shares of Thermo Fibertek's and Thermo Electron's
common stock could be purchased at the end of a 12-month plan year at 85% of the
fair market value at the beginning of the plan year, and the shares purchased
were subject to a one-year resale restriction. Effective November 1, 1995, the
applicable shares of common stock may be purchased at 95% of the fair market
value at the beginning of the plan year, and the shares purchased will be
subject to a six-month resale restriction. Shares are purchased through payroll
deductions of up to 10% of each participating employee's gross wages. Prior to
November 1993, the Company's eligible employees participated in an employee
stock purchase plan sponsored by Thermo Electron.
 
                                       F-8
<PAGE>   60
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
3.  INCOME TAXES

<TABLE>
 
     The income tax benefit differs from the amounts calculated by applying the
statutory federal income tax rate of 35% to loss before income taxes due to the
following:
 
<CAPTION>
                                                                                             INCEPTION
                                                                                              THROUGH
                                                                                            DECEMBER 30,
                                                            1993       1994       1995          1995
                                                           -------    -------    -------    ------------
                                                                          (IN THOUSANDS)
<S>                                                        <C>        <C>        <C>           <C>
Income tax benefit at statutory rate.....................  $ 37       $ 45       $ 210         $ 342
Differences resulting from:
Net operating loss valuation allowance provided..........   (37)       (45)       (210)         (342)
                                                           ----       ----       -----         -----
                                                           $ --       $ --       $  --         $  --
                                                           ====       ====       =====         =====
</TABLE>

<TABLE>
 
     Prepaid income taxes consist of the following:
 
<CAPTION>                                                                                           
                                                                       1994       1995
                                                                      -------    -------
                                                                        (IN THOUSANDS)
<S>                                                                   <C>        <C>        
Net operating loss carryforwards..................................    $ 132      $ 342
Less: Valuation allowance.........................................     (132)      (342)
                                                                      -----
                                                                      $  --      $  --
                                                                      =====      =====
</TABLE>
 
     Due to cumulative losses, a valuation allowance equal to total net deferred
tax assets has been established.
 
4.  RELATED PARTY TRANSACTION
 
     The Company and Thermo Electron have a corporate services agreement under
which Thermo Electron's corporate staff provides certain administrative
services, including certain legal advice and services, risk management, certain
employee benefit administration, tax advice and preparation of tax returns,
centralized cash management, and certain financial and other services. Thermo
Electron will assess the Company an annual fee based upon the Company's
revenues. The Company was not charged for these services in 1993, 1994 and 1995
since no revenues were recorded by the Company during these periods and the
amount of services received was not material. Beginning in fiscal 1996, the
Company will pay an annual fee equal to 1.0% of the Company's revenues. The
annual fee is reviewed and adjusted annually by mutual agreement of the parties.
Management believes that the service fee charged by Thermo Electron is
reasonable and that such fees are representative of the expenses the Company
would incur on a stand-alone basis. The corporate services agreement is renewed
annually but can be terminated upon 30 days' prior notice by the Company or upon
the Company's withdrawal from the Thermo Electron Corporate Charter (the Thermo
Electron Corporate Charter defines the relationship among Thermo Electron and
its majority-owned subsidiaries). For additional items such as employee benefit
plans, insurance coverage, and other identifiable costs, Thermo Electron charges
the Company based upon costs attributable to the Company.
 
5.  SUBSEQUENT EVENTS
 
  Acquisition
 
     On July 3, 1996, the Company's newly formed GranTek subsidiary acquired
substantially all of the assets, subject to certain liabilities, of Granulation
Technology, Inc. and Biodac, a division of Edward Lowe Industries, Inc.
(collectively "GT/ELI") for approximately $12,000,000 in cash, subject to a
post-closing adjustment based upon the net asset value of GT/ELI as of the
closing date. The Company will account for the acquisition using the purchase
method of accounting. The cost of this acquisition exceeded the estimated
 
                                       F-9
<PAGE>   61
 
                              THERMO FIBERGEN INC.
                         (A DEVELOPMENT STAGE COMPANY)
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
fair value of the acquired net assets by approximately $5,062,000, which will be
amortized over 20 years. The allocation of the purchase price will be based on
an estimate of the fair value of net assets acquired. Pro forma information for
the Company and GT/ELI is available elsewhere in this Prospectus.
 
     GT/ELI converts the residue produced by recycled pulp and paper mills into
granules that can be used as absorbents for oil and grease, as cat-box fillers
and as carriers for agricultural chemicals. GT/ELI produces an agricultural
carrier marketed as BIODAC[Registered Trademark], which is sold exclusively by 
GT/ELI.
 
  Stock-based Compensation Plans
 
     On July 2, 1996, the Company adopted a stock-based compensation plan for
its key employees, directors, and others, which permits the grant of a variety
of stock and stock-based awards as determined by the human resources committee
of the Company's Board of Directors (the Board Committee), including restricted
stock, stock options, stock bonus shares or performance-based shares. The option
recipients and the terms of options granted under this plan are determined by
the Board Committee. Options generally vest and become immediately exercisable
on the ninth anniversary of the grant date, unless the Company's common stock
becomes publicly traded prior to such date. In such an event options become
exercisable 90 days after the Company becomes subject to the Securities Exchange
Act of 1934, but are subject to certain transfer restrictions and the right of
the Company to repurchase shares issued upon exercise of the options at the
exercise price, upon certain events. The restrictions and repurchase rights
generally are deemed to have lapsed ratably over periods ranging from five to
ten years after the first anniversary of the grant date, depending on the term
of the option, which generally ranges from ten to twelve years. Nonqualified
stock options may be granted at any price determined by the Board Committee,
although incentive stock options must be granted at not less than the fair
market value of the Company's common stock on the date of grant. As of August
14, 1996, options to purchase 338,000 shares of the Company's common stock,
exercisable at $10.00 per share, were outstanding under this plan. As of August
14, no options have been exercised and no options are exercisable under the
stock-based compensation plan described above.
 
     The Company also has a directors' stock option plan, adopted on July 2,
1996, that provides for the grant of stock options to outside directors pursuant
to a formula approved by the Company's shareholders. Options granted under this
plan will have the same general terms as options granted under the stock-based
compensation plan described above, except that the restrictions and repurchase
rights generally are deemed to have lapsed ratably over a four-year period and
the option term is five years. As of August 14, 1996, no options to purchase
shares of the Company's common stock have been granted under this plan. In
addition to the Company's stock-based compensation plans, certain officers and
key employees may also participate in the stock-based compensation plans of
Thermo Electron or its majority-owned subsidiaries.
 
     In addition to participating in the Company's stock-based compensation
plans, certain officers and key employees may also participate in the
stock-based compensation plans of Thermo Electron or its other majority-owned
subsidiaries.
 
     No accounting recognition is given to options granted at fair market value
until they are exercised. Upon exercise, net proceeds, including tax benefits
realized, are credited to equity.
 
  Reserved Shares
 
     At August 14, 1996, the Company had reserved 825,000 unissued shares of its
common stock for possible issuance under stock-based compensation plans.
 
                                      F-10
<PAGE>   62
 
                         REPORT OF INDEPENDENT AUDITORS
 
Board of Trustees Edward Lowe Foundation, Inc.,
  Granulation Technology, Inc. and Biodac, a division of
  Edward Lowe Industries, Inc.:
 
     We have audited the accompanying combined balance sheet of Granulation
Technology, Inc. and Biodac, a division of Edward Lowe Industries, Inc. as of
September 30, 1994 and 1995, and the related combined statements of operations
and shareholder's equity (deficit) and cash flows for each of the three years in
the period ended September 30, 1995. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these combined financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the combined financial statements referred to above present
fairly, in all material respects, the financial position of Granulation
Technology, Inc. and Biodac, a division of Edward Lowe Industries, Inc. as of
September 30, 1994 and 1995, and the results of their operations and their cash
flows for each of the three years in the period ended September 30, 1995 in
conformity with generally accepted accounting principles.
 
                                       CROWE, CHIZEK AND COMPANY LLP
 
South Bend, Indiana
July 2, 1996
 
                                      F-11
<PAGE>   63
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
<TABLE>
                                          COMBINED STATEMENT OF OPERATIONS
                                                  (IN THOUSANDS)
 
<CAPTION>                                                                             NINE MONTHS ENDED
                                                   FISCAL YEAR ENDED SEPTEMBER 30,         JUNE 30,
                                                   -------------------------------   ---------------------
                                                      1993      1994      1995         1995        1996
                                                     ------    -------   -------     ---------   ---------
                                                                                         (UNAUDITED)

<S>                                                  <C>       <C>       <C>          <C>         <C>
Revenues...........................................  $ 4,709   $ 3,670   $ 4,233      $ 3,711      $4,325
                                                     -------   -------   -------      -------      ------
Costs and Operating Expenses:
  Cost of revenues.................................    3,287     3,234     3,188        2,409       3,035
  Selling, general and administrative expenses.....      995       988       756          542       1,006
  Research and development expenses................      367       281       303          217         139
  Patent litigation expenses.......................       --        --     1,654          654       1,130
                                                     -------   -------   -------      -------      ------
                                                       4,649     4,503     5,901        3,822       5,310
                                                     -------   -------   -------      -------      ------
Operating Income (Loss)............................       60      (833)   (1,668)        (111)       (985)
Other Income (Note 6)..............................       --        --        --           --         700
Interest Expense (Note 3)..........................   (1,042)   (1,140)   (1,469)      (1,078)         --
                                                     -------   -------   -------      -------      ------
Net Loss (Note 4)..................................  $  (982)  $(1,973)  $(3,137)     $(1,189)     $ (285)
                                                     =======   =======   =======      =======      ======
</TABLE>
 
            See accompanying notes to combined financial statements.
 
                                      F-12
<PAGE>   64
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
<TABLE>
                                           COMBINED BALANCE SHEET
                                     (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<CAPTION>
                                                                SEPTEMBER 30,   SEPTEMBER 30,    JUNE 30,
                                                                    1994            1995           1996
                                                                -------------   -------------   -----------
                                                                                                (UNAUDITED)
<S>                                                                <C>             <C>            <C>
ASSETS
Current Assets:
  Cash........................................................     $     --        $     43       $     50
  Accounts receivable.........................................          305             298            757
  Inventories.................................................          683             695            361
  Federal income tax deposit..................................          163              --             --
  Other current assets........................................           11               1             --
                                                                   --------        --------       --------
     Total current assets.....................................        1,162           1,037          1,168
                                                                   --------        --------       --------
Property, Plant and Equipment:
  Land and improvements.......................................          267             267            267
  Buildings and improvements..................................        4,412           4,375          4,533
  Machinery and equipment.....................................        7,419           7,282          7,200
  Office furniture and equipment..............................           53              59             51
                                                                   --------        --------       --------
                                                                     12,151          11,983         12,051
  Accumulated depreciation and amortization...................        4,512           5,513          6,389
                                                                   --------        --------       --------
                                                                      7,639           6,470          5,662
                                                                   --------        --------       --------
Other Assets:
  Cash surrender value of life insurance......................           28              37             44
  Patents, net of accumulated amortization of $146, $182
     and $175.................................................          152             116            123
                                                                   --------        --------       --------
                                                                        180             153            167
                                                                   --------        --------       --------
                                                                   $  8,981        $  7,660       $  6,997
                                                                   ========        ========       ========
LIABILITIES AND SHAREHOLDER'S EQUITY (DEFICIT)
Current Liabilities:
  Notes payable -- shareholder (Note 3).......................     $ 16,048        $     --       $     --
  Accounts payable............................................          137              81            302
  Salaries, wages and bonus payable...........................           57              54            113
  Accrued property taxes......................................          121             100             41
  Accrued legal expenses (Note 6).............................           --             999            193
  Other accrued expenses......................................           --              --             50
  Interest payable (Note 3)...................................        1,663              --             --
                                                                   --------        --------       --------
     Total current liabilities................................       18,026           1,234            699
                                                                   --------        --------       --------
Shareholder's Equity (Deficit):
  Common stock, $1.00 par value: 20,000 shares authorized and
     10,000 shares outstanding................................           10              10             10
  Additional paid-in capital (Note 3).........................        1,386          20,565         20,565
  Accumulated deficit.........................................      (11,292)        (12,844)       (13,472)
  Divisional equity (deficit).................................          851          (1,305)          (805)
                                                                   --------        --------       --------
                                                                     (9,045)          6,426          6,298
                                                                   --------        --------       --------
                                                                   $  8,981        $  7,660       $  6,997
                                                                   ========        ========       ========
</TABLE>
 
            See accompanying notes to combined financial statements.
 
                                      F-13
<PAGE>   65
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.

<TABLE>
 
                                           COMBINED STATEMENT OF CASH FLOWS
                                                    (IN THOUSANDS)
 
<CAPTION>
                                                                                                NINE MONTHS ENDED
                                                           FISCAL YEAR ENDED SEPTEMBER 30,          JUNE 30,
                                                           -------------------------------     -------------------
                                                            1993        1994        1995        1995        1996
                                                           -------     -------     -------     -------     -------
                                                                                                   (UNAUDITED)

<S>                                                         <C>        <C>         <C>         <C>           <C>
Cash Flows from Operating Activities:
  Net loss.............................................     $ (982)    $(1,973)    $(3,137)    $(1,189)      $(285)
  Adjustments to reconcile net loss to net cash
    provided by (used in) operating activities:
      Depreciation and amortization....................      1,168       1,231       1,242         945         876
      Provision for obsolete inventory.................         --          --         150          --          --
      Provision for warranty reserve...................         --          --          --          --          50
      Increase in cash surrender value of life
         insurance.....................................         (9)         (9)         (9)         (6)         (7)
      Loss on disposal of equipment....................         --          --          38          --           2
      Changes in current accounts:
         Accounts receivable...........................        978         (32)          7        (712)       (459)
         Inventories...................................       (289)        112        (162)        (76)        334
         Due from related party........................         96          --          --          --          --
         Federal income tax deposit....................         --        (163)        163          --          --
         Other current assets..........................          7          --          10           1           1
         Accounts payable..............................       (385)        (51)        (56)        (26)        221
         Salaries, wages and bonus payable.............        (47)        (26)         (3)        (42)         59
         Accrued property taxes........................         17          (1)        (21)        415         (59)
         Accrued legal fees............................         --          --         999          --        (806)
         Interest payable..............................       (558)      1,140       1,469       1,076          --
                                                            ------     -------     -------     -------       -----
           Net cash provided by (used in) operating
             activities................................         (4)        228         690         386         (73)
                                                            ------     -------     -------     -------       -----
Cash Flows from Investing Activities:
  Proceeds from sale of equipment......................         --          --           7          --          --
  Capital expenditures.................................       (452)       (336)        (83)        (79)        (77)
                                                            ------     -------     -------     -------       -----
           Net cash used in investing activities.......       (452)       (336)        (76)        (79)        (77)
                                                            ------     -------     -------     -------       -----
Cash Flows from Financing Activities:
  Borrowings from shareholder..........................        200          --          --          --          --
  Net transfer (to) from parent company................        238          76        (571)       (282)        157
                                                            ------     -------     -------     -------       -----
           Net cash provided by (used in) financing
             activities................................        438          76        (571)       (282)        157
                                                            ------     -------     -------     -------       -----
Increase (Decrease) in Cash............................        (18)        (32)         43          25           7
Cash at Beginning of Period............................         50          32          --          --          43
                                                            ------     -------     -------     -------       -----
Cash at End of Period..................................     $   32     $    --     $    43     $    25       $  50
                                                            ======     =======     =======     =======       =====
Supplemental disclosure of cash flow information:
  Cash paid during the period for interest.............     $1,600     $    --     $    --     $    --       $  --
  During the year ended September 30, 1995, debt of
    $16,048 and accrued interest of $3,131 was
    contributed to equity.
</TABLE>
 
            See accompanying notes to combined financial statements.
 
                                      F-14
<PAGE>   66
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
<TABLE>
 
                               COMBINED STATEMENT OF SHAREHOLDER'S EQUITY (DEFICIT)
                                      (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<CAPTION>
                                           COMMON STOCK      ADDITIONAL                   DIVISIONAL
                                         ----------------     PAID-IN      ACCUMULATED      EQUITY
                                         SHARES    AMOUNT     CAPITAL        DEFICIT      (DEFICIT)      TOTAL
                                         ------    ------    ----------    -----------    ----------    -------
<S>                                      <C>        <C>       <C>           <C>            <C>         <C>
BALANCE AT SEPTEMBER 30, 1992..........  10,000     $10       $ 1,386       $ (8,024)      $   224     $(6,404)
Net loss                                     --      --            --         (1,134)          152        (982)
Net transfer from parent company.......      --      --            --             --           238         238
                                         ------     ---       -------       --------       -------     -------
BALANCE AT SEPTEMBER 30, 1993..........  10,000      10         1,386         (9,158)          614      (7,148)
Net loss                                     --      --            --         (2,134)          161      (1,973)
Net transfer from parent company.......      --      --            --             --            76          76
                                         ------     ---       -------       --------       -------     -------
BALANCE AT SEPTEMBER 30, 1994..........  10,000      10         1,386        (11,292)          851      (9,045)
Net loss...............................      --      --            --         (1,552)       (1,585)     (3,137)
Net transfer to parent company.........      --      --            --             --          (571)       (571)
Contributed debt to equity.............      --      --        19,179             --            --      19,179
                                         ------     ---       -------       --------       -------     -------
BALANCE AT SEPTEMBER 30, 1995..........  10,000      10        20,565        (12,844)       (1,305)      6,426
 
<CAPTION>
                                                                      (UNAUDITED)
<S>                                      <C>        <C>       <C>           <C>              <C>        <C>
Net income (loss)......................      --      --            --           (628)          343        (285)
Net transfer from parent company.......      --      --            --             --           157         157
                                         ------     ---       -------       --------         -----      ------
BALANCE AT JUNE 30, 1996...............  10,000     $10       $20,565       $(13,472)        $(805)     $6,298
                                         ======     ===       =======       ========         =====      ======
</TABLE>
 
            See accompanying notes to combined financial statements.
 
                                      F-15
<PAGE>   67
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
                     NOTES TO COMBINED FINANCIAL STATEMENTS
 
1. NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Principles of Combination
 
     The combined financial statements include the operations of Granulation
Technology, Inc. and Biodac, a division of Edward Lowe Industries, Inc. ("parent
company"). Both GranTech and Edward Lowe Industries, Inc. are owned 100% by the
Henry Edward Lowe Amended and Restated Irrevocable Trust. The financial
statements include the complete operations of GranTech and the divisional
activity of Biodac which includes accounts receivable, inventory, patents,
accounts payable, divisional equity (deficit) and all related operations and
expenses associated with the selling and marketing of the product manufactured
by GranTech. Divisional equity (deficit) represents the parent company's net
investment in Biodac. Material intercompany accounts and transactions have been
eliminated.
 
     GranTech and Biodac collectively will be referred to as the Company.
 
  Nature of Operations
 
     Granulation Technology, Inc. ("GranTech") produces, from paper mill
residue, cellulosic based granules, sold under the BIODAC[Registered Trademark]
trademark, for the agricultural, lawn and garden markets. The main 
manufacturing plant is located in Green Bay, Wisconsin. The corporate office is
located in Cassopolis, Michigan. After the product is manufactured, it is 
stored in the facility in Green Bay until shipment. Biodac, a division of 
Edward Lowe Industries, Inc., is a related company and under an agreement with 
GranTech, is the sole distributor and marketer of GranTech manufactured 
products. The Company's products are primarily sold in the United States. The 
patents and trademarks which encompass both the manufacturing process and the 
use of such products are owned by Biodac.
 
  Market Concentration
 
     Products are sold primarily in the agricultural, lawn and garden markets
and the Company has four major customers with large concentrations of revenue
and accounts receivable. Management does not believe that this concentration of
credit risk has or will have a significant negative impact on the Company.

<TABLE>
 
     Revenue for fiscal years ended September 30:
 
<CAPTION>
                          CUSTOMER     1993     1994     1995
                          --------     ----     ----     ----
                              <S>       <C>      <C>      <C>
                              A         52%      45%      47%
                              B         20%      25%      18%
                              C         12%      11%      12%
                              D          6%      10%      11%
</TABLE>

<TABLE>
 
     Accounts receivable as of September 30:
 
<CAPTION>
                          CUSTOMER              1994     1995
                          --------              ----     ----
                              <S>                <C>      <C>      
                              A                   1%       6%
                              B                  29%      --%
                              C                  20%      20%
                              D                  22%      35%
</TABLE>
 
  Use of Estimates in the Preparation of Financial Statements
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and
 
                                      F-16
<PAGE>   68
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
             NOTES TO COMBINED FINANCIAL STATEMENTS -- (CONTINUED)
 
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
 
  Accounts Receivable
 
     The financial statements contain no allowance for doubtful accounts since
management expects that receivables are fully collectible.
 
  Inventory
 
     Inventory is recorded at the lower of cost (on a first-in, first-out basis
determined on average cost of production) or market method.
 
  Property, Plant and Equipment

<TABLE>
 
     Maintenance and repair expenditures that are normal and recurring are
charged against income in the period incurred. Expenditures which materially
improve or extend the useful lives of existing properties are capitalized and
depreciated over their useful lives. Depreciation is provided on the various
classes of depreciable assets using straight-line and accelerated methods based
on their estimated useful lives as follows:
 
<S>                                                          <C>
Land improvements                                            15 years
Buildings and improvements                                   40 years
Machinery and equipment                                      5-7 years
Office furniture and equipment                               5-7 years
</TABLE>
 
  Patents
 
     Patent costs are included in other assets and are amortized on a straight
line basis over the life of the patents. Two patents expire in 2003, while the
other patent expires in 2002.
 
  Interim Financial Statements
 
     The financial statements as of June 30, 1996 and for the nine-month periods
ended June 30, 1995 and 1996, are unaudited but, in the opinion of management,
reflect all adjustments of a normal recurring nature necessary for a fair
presentation of results for these interim periods. The results of operations for
the nine-month period ended June 30, 1996 are not necessarily indicative of the
results to be expected for the entire year.
 
2.  INVENTORY
<TABLE>
 
     Inventory is comprised of the following as of September 30, 1994 and 1995:
 
<CAPTION>
                                                                         1994       1995
                                                                         ----       -----
                                                                          (IN THOUSANDS)
        <S>                                                              <C>        <C>
        Supplies.......................................................  $  6       $  6
        Finished goods.................................................   677        689
                                                                         ----       ----
                                                                         $683       $695
                                                                         ====       ====
</TABLE>
 
                                      F-17
<PAGE>   69
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
             NOTES TO COMBINED FINANCIAL STATEMENTS -- (CONTINUED)
 
3.  NOTE PAYABLE -- SHAREHOLDER
 
     As of September 30, 1994, GranTech had unsecured promissory notes with the
Company's shareholder totaling $16,048,000. The notes, which were dated from
January 27, 1989 through October 27, 1992, were payable upon demand with
interest due monthly at fifty basis points over the CitiBank prime money rate.
 
     As of September 29, 1995, the outstanding debt of $16,048,000 plus accrued
interest of $3,131,000 was contributed to paid in capital.
 
4.  INCOME TAXES
 
     Granulation Technology, Inc. and Edward Lowe Industries, Inc. have both
individually elected, with the consent of its shareholder, to be taxed as S
corporations under the Internal Revenue Code and similar sections of state
income tax laws (where applicable) which provide that, in lieu of corporation
income taxes, the shareholder will be taxed on the Company's taxable income.
There is no provision for income taxes for the years ended September 30, 1993,
1994 and 1995.
 
5.  CONTRACTS AND COMMITMENTS
 
     GranTech has entered into the following agreements with various parties:
 
          A multiple year supply agreement with a nearby paper mill, dated
     November 2, 1988 and amended March 5, 1990 and August 17, 1995, whereby the
     mill will supply paper sludge to GranTech, at no cost to GranTech other
     than the mill's incremental disposal costs. These incremental expenses are
     defined in the contract to represent expenses in excess of current landfill
     disposal costs. The agreement expires December 26, 1997, subject to
     successive, mutual, two-year extensions.
 
          An employment agreement with GranTech's president effective January 1,
     1989 through September 30, 1996 with extension options available. The
     agreement specifies the president's salary, discretionary bonus, benefits,
     severance and noncompete aspects of his employment. The agreement includes
     certain provisions relative to the sale or disposition of the business of
     GranTech, which would require GranTech to pay additional compensation of
    2 1/2 times his base salary. No provision for this liability has been
     recorded as of September 30, 1995.
 
          A September 1992 supply agreement with American Cyanamid Company
     ("American Cyanamid") was renewed through December 31, 1996 and is
     renewable from year to year thereafter until either party terminates the
     agreement. The BIODAC[Registered Trademark] products are sold to American 
     Cyanamid, at a fixed price, for its exclusive use as a granular carrier 
     with certain chemicals and cannot be sold to others for use with the same 
     chemicals.
 
          Effective October 1, 1995, GranTech and Biodac entered into a four
     year supply agreement with The Solaris Group, a unit of Monsanto Company.
     The Company is to supply a specific product, known as BIODAC[Registered
     Trademark] HLG-SR, to The Solaris Group for use in the consumer home, lawn
     and garden markets in the United States and Canada. The price per ton is 
     fixed for the period October 1, 1995 through September 30, 1997 and 
     thereafter adjusted based upon changes in natural gas and electricity 
     prices. The contract is subject to a one year extension.
 
     The Company uses certain sales agents and employees to sell its products.
Biodac division has a sales agency agreement with Ontario 361267 Ltd. d/b/a The
Consulting Group dated October 1, 1995, to pay a 5% commission on gross sales as
the exclusive sales agent for the Canadian provinces. Sales are subject to the
commission if the products are shipped into Canada or sold to a U.S. customer
having a presence in Canada.
 
                                      F-18
<PAGE>   70
 
                          GRANULATION TECHNOLOGY, INC.
             AND BIODAC, A DIVISION OF EDWARD LOWE INDUSTRIES, INC.
 
             NOTES TO COMBINED FINANCIAL STATEMENTS -- (CONCLUDED)
 
The agreement is for a one year term and includes an automatic renewal for
additional terms of one year until either party terminates the agreement.
 
6.  GAIN CONTINGENCY
 
     In December 1994, Biodac filed suit against a company for patent
infringement. On February 21, 1996, this matter was resolved. A consent decree
and settlement agreement were executed by all parties. Settlement of $700,000
was received in February 1996 and has been recorded as of the date of receipt.
As of September 30, 1995, no contingent gain was recorded. Legal and
professional fees incurred relative to the suit for the year ended September 30,
1995 were approximately $1,654,000. No fees were incurred relative to this suit
prior to the year ended September 30, 1995.
 
7.  SUBSEQUENT EVENT
 
     On July 2, 1996, an asset purchase agreement was signed to sell
substantially all of the assets of the Company, subject to certain liabilities,
to Thermo Fibergen Inc., for approximately $12,000,000 in cash, subject to a
post-closing adjustment based upon the net asset value of the Company as of the
closing date.
 
                                      F-19
<PAGE>   71
 
                              THERMO FIBERGEN INC.
 
              PRO FORMA COMBINED CONDENSED STATEMENT OF OPERATIONS
                     TWELVE MONTHS ENDED DECEMBER 30, 1995
                                  (UNAUDITED)
 
     On July 3, 1996, Thermo Fibergen Inc. (the "Company") acquired
substantially all of the assets, subject to certain liabilities, of Granulation
Technology, Inc. and Biodac, a division of Edward Lowe Industries, Inc.
(collectively "GT/ELI") for approximately $12,000,000 in cash, subject to a
post-closing adjustment. The Company will account for this acquisition using the
purchase method of accounting.

<TABLE>
 
     The following unaudited pro forma combined condensed statement of
operations sets forth the results of operations for the twelve months ended
December 30, 1995, as if the acquisition of GT/ELI, which is assumed to be
financed with the $12,500,000 in cash received by the Company in connection with
its capitalization, had occurred on January 1, 1995. GT/ELI has a fiscal year
end which differs from the Company's fiscal year end. The pro forma combined
condensed statement of operations below combines the historical September 30
fiscal year end financial statements of GT/ELI and the calendar year end
financial statements of the Company. The results of operations of GT/ELI for the
three months ended December 31, 1995 have not been included in the pro forma
combined condensed statement of operations. GT/ELI revenues and net loss were
$1,171,000 and $855,000, respectively, for the three months ended December 31,
1995. The pro forma results of operations are not necessarily indicative of
future operations or the actual results that would have occurred had the
acquisition of GT/ELI been made on January 1, 1995. This statement should be
read in conjunction with the accompanying notes, the pro forma combined
condensed balance sheet and the respective historical financial statements and
related notes of the Company and GranTech and Biodac appearing elsewhere in this
Prospectus.
 
<CAPTION>
                                                               HISTORICAL
                                                           -------------------           PRO FORMA
                                                            THERMO                -----------------------
                                                           FIBERGEN    GT/ELI     ADJUSTMENTS    COMBINED
                                                           --------    -------    -----------    --------
                                                              (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                         <C>        <C>            <C>        <C>
Revenues.................................................   $    --    $ 4,233        $  --      $ 4,233
                                                            -------    -------        -----      -------
Costs and Operating Expenses:
  Cost of revenues.......................................        --      3,188           53        3,241
  Selling, general and administrative expenses...........        --        756          326        1,082
  Research and development expenses......................       601        303           --          904
  Patent litigation expenses.............................        --      1,654           --        1,654
                                                            -------    -------        -----      -------
                                                                601      5,901          379        6,881
                                                            -------    -------        -----      -------
Operating Loss...........................................      (601)    (1,668)        (379)      (2,648)
Interest Expense.........................................        --     (1,469)          --       (1,469)
                                                            -------    -------        -----      -------
Loss Before Income Taxes.................................      (601)    (3,137)        (379)      (4,117)
Income Taxes.............................................        --         --           --           --
                                                            -------    -------        -----      -------
Net Loss.................................................   $  (601)   $(3,137)       $(379)     $(4,117)
                                                            =======    =======        =====      =======
Loss per Share...........................................   $  (.06)                             $  (.41)
                                                            =======                              =======
Weighted Average Shares..................................    10,073                               10,073
                                                            =======                              =======
</TABLE>
 
                                      F-20
<PAGE>   72
 
                              THERMO FIBERGEN INC.
<TABLE> 
              PRO FORMA COMBINED CONDENSED STATEMENT OF OPERATIONS
                         SIX MONTHS ENDED JUNE 29, 1996
                                  (UNAUDITED)

     The following unaudited pro forma combined condensed statement of
operations sets forth the results of operations for the six months ended June
29, 1996, as if the acquisition of GT/ELI, which is assumed to be financed with
the $12,500,000 in cash received by the Company in connection with its initial
capitalization, had occurred on January 1, 1995. The pro forma results of
operations are not necessarily indicative of future operations or the actual
results that would have occurred had the acquisition of GT/ELI been made on
January 1, 1995. This statement should be read in conjunction with the
accompanying notes, the pro forma combined condensed balance sheet and the
respective historical financial statements and related notes of the Company and
GT/ELI appearing elsewhere in this Prospectus.
 
<CAPTION>
                                                                HISTORICAL
                                                          ----------------------           PRO FORMA
                                                           THERMO                   -----------------------
                                                          FIBERGEN      GT/ELI      ADJUSTMENTS    COMBINED
                                                          --------    ----------    -----------    --------
                                                              (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                        <C>           <C>            <C>        <C>
Revenues................................................   $    --       $3,154         $  --      $ 3,154
                                                           -------       ------         -----      -------
Costs and Operating Expenses:
  Cost of revenues......................................        --        2,083            --        2,083
  Selling, general and administrative expenses..........        --          822           164          986
  Research and development expenses.....................       548           89            --          637
  Patent litigation expenses............................        --          290            --          290
                                                           -------       ------         -----      -------
                                                               548        3,284           164        3,996
                                                           -------       ------         -----      -------
Operating Loss..........................................      (548)        (130)         (164)        (842)
Interest Income.........................................       267           --          (263)           4
Other Income............................................        --          700            --          700
                                                           -------       ------         -----      -------
Income (Loss) Before Income Taxes.......................      (281)         570          (427)        (138)
Income Taxes............................................        --           --            --           --
                                                           -------       ------         -----      -------
Net Income (Loss).......................................   $  (281)      $  570         $(427)     $  (138)
                                                           =======       ======         =====      =======
Loss per Share..........................................   $  (.03)                                $  (.01)
                                                           =======                                 =======
Weighted Average Shares.................................    10,073                                  10,073
                                                           =======                                 =======
</TABLE>
 
                                      F-21
<PAGE>   73
 
                              THERMO FIBERGEN INC.
<TABLE> 
                   PRO FORMA COMBINED CONDENSED BALANCE SHEET
                                 JUNE 29, 1996
                                  (UNAUDITED)

     The following unaudited pro forma combined condensed balance sheet sets
forth the financial position as of June 29, 1996, to reflect the acquisition of
GT/ELI as if the acquisition had occurred on June 29, 1996. This statement
should be read in conjunction with the accompanying notes, the pro forma
combined condensed statements of operations and the respective historical
financial statements and related notes of the Company and GranTech and Biodac
appearing elsewhere in this Prospectus.
 
<CAPTION>
                                                              HISTORICAL
                                                        ----------------------           PRO FORMA
                                                         THERMO                   -----------------------
                                                        FIBERGEN      GT/ELI      ADJUSTMENTS    COMBINED
                                                        --------    ----------    -----------    --------
                                                                         (IN THOUSANDS)
<S>                                                      <C>         <C>            <C>           <C>
ASSETS
Current Assets:
  Cash and cash equivalents...........................   $12,513     $     50       $(12,046)     $   517
  Accounts receivable.................................        --          757             --          757
  Inventories.........................................        --          361             53          414
  Other current assets................................        17           --             --           17
                                                         -------     --------       --------      -------
                                                          12,530        1,168        (11,993)       1,705
                                                         -------     --------       --------      -------
Property, Plant and Equipment, Net....................       219        5,662             --        5,881
                                                         -------     --------       --------      -------
Patents and Other Assets..............................        11          167            833        1,011
                                                         -------     --------       --------      -------
Cost in Excess of Net Assets of Acquired Company......        --           --          5,062        5,062
                                                         -------     --------       --------      -------
                                                         $12,760     $  6,997       $ (6,098)     $13,659
                                                         =======     ========       ========      =======
LIABILITIES AND SHAREHOLDER'S INVESTMENT
Current Liabilities:
  Accounts payable....................................   $    --     $    302       $     --      $   302
  Other accrued expenses..............................        38          397            200          635
  Due to parent company and affiliates................       409           --             --          409
                                                         -------     --------       --------      -------
                                                             447          699            200        1,346
                                                         -------     --------       --------      -------
Shareholder's Investment:
  Common stock........................................       100           10            (10)         100
  Capital in excess of par value......................    12,400       20,565        (20,565)      12,400
  Deficit accumulated during the development stage
     subsequent to capitalization of the Company......      (187)          --             --         (187)
  Accumulated deficit.................................        --      (13,472)        13,472           --
  Divisional deficit..................................        --         (805)           805           --
                                                         -------     --------       --------      -------
                                                          12,313        6,298         (6,298)      12,313
                                                         -------     --------       --------      -------
                                                         $12,760     $  6,997       $ (6,098)     $13,659
                                                         =======     ========       ========      =======
</TABLE>
 
                                      F-22
<PAGE>   74
<TABLE> 
                              THERMO FIBERGEN INC.
           NOTES TO PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS
                                  (UNAUDITED)


NOTE 1 -- PRO FORMA ADJUSTMENTS TO PRO FORMA COMBINED CONDENSED STATEMENT OF
          OPERATIONS FOR THE TWELVE MONTHS ENDED DECEMBER 30, 1995 (In
          thousands, except in text)
 
<CAPTION>
                                                                                 TWELVE MONTHS ENDED
                                                                                  DECEMBER 30, 1995
                                                                                 -------------------
                                                                                   DEBIT (CREDIT)
<S>                                                                                      <C>
COST OF REVENUES
  Increase in the finished goods inventory of GT/ELI to the estimated selling
     price, less the sum of the costs of disposal and a reasonable profit
     allowance for the Company's selling efforts...............................          $ 53
                                                                                         ----
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES
  Amortization over 12 years of the increase in the recorded amount of patents
     as a result of the acquisition of GT/ELI..................................            73
  Amortization over 20 years of cost in excess of net assets of acquired
     company created by the acquisition of GT/ELI..............................           253
                                                                                         ----
                                                                                          326
                                                                                         ----
</TABLE>

<TABLE>
 
NOTE 2 -- PRO FORMA ADJUSTMENTS TO PRO FORMA COMBINED CONDENSED STATEMENT OF
          OPERATIONS FOR THE SIX MONTHS ENDED JUNE 29, 1996 (In thousands,
          except in text)
 
<CAPTION>
                                                                                  SIX MONTHS ENDED
                                                                                    JUNE 29, 1996
                                                                                 -------------------
                                                                                   DEBIT (CREDIT)
<S>                                                                                     <C>
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES
  Amortization over 12 years of the increase in the recorded amount of patents
     as a result of the acquisition of GT/ELI..................................         $  37
  Amortization over 20 years of cost in excess of net assets of acquired
     company created by the acquisition of GT/ELI..............................           127
                                                                                        -----
                                                                                          164
                                                                                        -----
INTEREST INCOME
  Decrease in interest income attributable to the lower cash position as a
     result of the acquisition of GT/ELI.......................................          (263)
                                                                                        -----
</TABLE>
 
                                      F-23
<PAGE>   75
 
                              THERMO FIBERGEN INC.
   NOTES TO PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS -- (CONCLUDED)
                                  (UNAUDITED)
<TABLE>
 
NOTE 3 -- PRO FORMA ADJUSTMENTS TO PRO FORMA COMBINED CONDENSED BALANCE SHEET
          (In thousands)
 
<CAPTION>
                                                                                      DEBIT (CREDIT)
                                                                                      --------------
<S>                                                                                      <C>
CASH AND CASH EQUIVALENTS
  Cash payment to acquire GT/ELI....................................................     $(12,000)
  Elimination of cash of GT/ELI not acquired........................................          (46)
                                                                                         --------
                                                                                          (12,046)
                                                                                         --------
INVENTORIES
  Increase in the finished goods inventory of GT/ELI to the estimated selling price,
     less the sum of the costs of disposal and a reasonable profit allowance for the
     Company's selling efforts......................................................           53
                                                                                         --------
PATENTS AND OTHER ASSETS
  Elimination of asset of GT/ELI not acquired.......................................          (44)
  Increase in the patents of GT/ELI to appraised fair market value..................          877
                                                                                         --------
                                                                                              833
                                                                                         --------
COST IN EXCESS OF NET ASSETS OF ACQUIRED COMPANY
  Excess of cost over the fair value of the net assets acquired of GT/ELI...........        5,062
                                                                                         --------
OTHER ACCRUED EXPENSES
  Estimated accrued acquisition expenses for exit costs.............................         (200)
                                                                                         --------
SHAREHOLDER'S INVESTMENT
  Elimination of equity accounts of GT/ELI..........................................        6,298
                                                                                         --------
</TABLE>
 
                                      F-24
<PAGE>   76
 
===============================================================================
 
  NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS,
AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY OR BY THERMO ELECTRON. THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER OF ANY SECURITIES OTHER THAN THOSE TO
WHICH IT RELATES OR AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER TO BUY, TO
ANY PERSON IN ANY JURISDICTION WHERE SUCH AN OFFER OR SOLICITATION WOULD BE
UNLAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER
SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THE INFORMATION
CONTAINED HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE HEREOF.
 
                            ------------------------
<TABLE>
 
           TABLE OF CONTENTS
 
<CAPTION>
                                            PAGE
                                            ----
<S>                                         <C>
Incorporation of Certain Documents by
  Reference................................   2
Prospectus Summary.........................   3
Risk Factors...............................   6
The Company................................  12
Use of Proceeds............................  12
Dividend Policy............................  12
Capitalization.............................  13
Dilution...................................  14
Selected Financial Information.............  15
Management's Discussion and Analysis of
  Financial Condition and Results of
  Operations of Thermo Fibergen............  16
Management's Discussion and Analysis of
  Financial Condition and Results of
  Operations of GT/ELI.....................  18
Business...................................  20
Relationship with Thermo Electron and
  Thermo Fibertek..........................  28
Management.................................  31
Security Ownership of Certain Beneficial
  Owners and Management....................  36
Information Concerning Thermo Electron.....  38
Description of Securities..................  39
Certain Federal Income Tax Consequences....  43
Shares Eligible for Future Sale............  47
Underwriting...............................  49
Legal Opinions.............................  50
Experts....................................  50
Reports to Security Holders................  50
Additional Information.....................  51
Index to Financial Statements.............. F-1
</TABLE>

                           ------------------------
 
  UNTIL OCTOBER 8, 1996 (25 DAYS AFTER THE DATE OF THIS PROSPECTUS), ALL DEALERS
EFFECTING TRANSACTIONS IN THE REGISTERED SECURITIES, WHETHER OR NOT
PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS.
THIS IS IN ADDITION TO THE OBLIGATION OF DEALERS TO DELIVER A PROSPECTUS WHEN
ACTING AS UNDERWRITERS AND WITH RESPECT TO THEIR UNSOLD ALLOTMENTS OR
SUBSCRIPTIONS.
 
===============================================================================
===============================================================================
 
                                4,100,000 UNITS


                       (EACH UNIT CONSISTING OF ONE SHARE
                            OF COMMON STOCK AND ONE
                               REDEMPTION RIGHT)
 
                              THERMO FIBERGEN INC.


                               ------------------
 
                         REDEMPTION PAYMENTS GUARANTEED
                           ON A SUBORDINATED BASIS BY
                          THERMO ELECTRON CORPORATION

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

                           NATWEST SECURITIES LIMITED
                                LEHMAN BROTHERS
                            OPPENHEIMER & CO., INC.

                               SEPTEMBER 13, 1996
===============================================================================


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