STEPAN CO
10-Q, 1995-08-14
SOAP, DETERGENTS, CLEANG PREPARATIONS, PERFUMES, COSMETICS
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<PAGE>   1

                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                   FORM 10-Q


(MARK ONE)
(  X  )     QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
            SECURITIES EXCHANGE ACT OF 1934
            FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1995

(     )     TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
            SECURITIES EXCHANGE ACT OF 1934
            FOR THE TRANSITION PERIOD FROM ______________ TO __________

                                    1-4462
                          --------------------------
                            Commission File Number

                                 STEPAN COMPANY
      ------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

         Delaware                                               36 1823834
-------------------------------                           ----------------------
(State or other jurisdiction of                             (I.R.S. Employer
incorporation or organization)                            Identification Number)


              Edens and Winnetka Road   Northfield, Illinois 60093
      ------------------------------------------------------------------
                    (Address of principal executive offices)

Registrant's telephone number                                (708) 446-7500
                                                         ----------------------

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

                                                         Yes  __X__   No _____

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date.

<TABLE>
<CAPTION>
                          Class                                             Outstanding at July 31, 1995
          --------------------------------------                        ------------------------------------
          <S>                                                                  <C>
                Common Stock, $1 par value                                         9,985,381 Shares
</TABLE>

<PAGE>   2

Part I                                            FINANCIAL INFORMATION
Item 1  -  Financial Statements

                                 STEPAN COMPANY
                     CONDENSED CONSOLIDATED BALANCE SHEETS
                      June 30, 1995 and December 31, 1994
                                   Unaudited

<TABLE>
<CAPTION>
 (Dollars in Thousands)                                                                     6/30/95        12/31/94
                                                                                            -------        --------
 <S>                                                                                      <C>            <C>
 ASSETS
 ------
 CURRENT ASSETS:
    Cash and cash equivalents                                                             $    1,702     $     2,452
    Receivables, net                                                                          81,979          70,385
    Inventories (Note 2)                                                                      44,806          45,464
    Other current assets                                                                      10,672          11,070
                                                                                          ----------      ----------

         Total current assets                                                                139,159         129,371
                                                                                          ----------      ---------

 PROPERTY, PLANT AND EQUIPMENT:
    Cost                                                                                     432,567         417,654
    Less accumulated depreciation                                                            249,014         233,997
                                                                                          ----------      ----------

                                                                                             183,553         183,657
                                                                                          ----------      ----------

 OTHER ASSETS                                                                                 15,882          11,920
                                                                                          ----------      ----------

    Total assets                                                                          $  338,594      $  324,948
                                                                                          ==========      ==========


 LIABILITIES AND STOCKHOLDERS' EQUITY
 ------------------------------------

 CURRENT LIABILITIES:
    Current maturities of long-term debt                                                  $    7,901      $    8,043
    Accounts payable                                                                          31,576          37,904
    Accrued liabilities                                                                       31,841          34,509
                                                                                          ----------      ----------
         Total current liabilities                                                            71,318          80,456
                                                                                          ----------      ----------

 DEFERRED INCOME TAXES                                                                        33,850          32,976
                                                                                          ----------      ----------


 LONG-TERM DEBT, less current maturities (Note 3)                                            102,530          89,795
                                                                                          ----------      ----------

 DEFERRED REVENUE (Note 6)                                                                     9,235          10,419
                                                                                          ----------      ----------


 STOCKHOLDERS' EQUITY:
    5-1/2% convertible preferred stock, cumulative, voting without par  value;
        authorized 2,000,000 shares; issued 797,400 shares in 1995 and 799,196
        shares in 1994                                                                        19,935          19,980
    Common stock, $1 par value; authorized 15,000,000 shares;
        issued 10,046,194 shares in 1995 and 10,028,544 shares in 1994                        10,046          10,029
    Additional paid-in capital                                                                 4,191           3,983
    Cumulative translation adjustments                                                        (2,692)         (3,491)

    Retained earnings (approximately $42,692 unrestricted in 1995 and $36,336 in 1994)        91,511          82,445
                                                                                          ----------      ----------
                                                                                             122,991         112,946
    Less - Treasury stock, at cost (Note 5)                                                    1,330           1,644
                                                                                          ----------      ----------
       Stockholders' equity                                                                  121,661         111,302
                                                                                          ----------      ----------


           Total liabilities and stockholders' equity                                     $  338,594      $  324,948
                                                                                          ==========      ==========
</TABLE>


The accompanying Notes to Condensed Consolidated Financial Statements are an
integral part of these condensed consolidated balance sheets.





<PAGE>   3




                                 STEPAN COMPANY
                       CONSOLIDATED STATEMENTS OF INCOME
           For the Three and Six Months Ended June 30, 1995 and 1994
                                   Unaudited


<TABLE>
<CAPTION>
 (In Thousands,                                          Three Months Ended                    Six Months Ended
    except per share amounts)                                  June 30                              June 30
                                                         --------------------                --------------------
                                                         1995            1994                1995            1994
                                                         ----            ----                ----            ----
 <S>                                                <C>              <C>                 <C>           <C>


 NET SALES                                           $  136,258        $ 112,305           $ 271,044       $ 219,584
                                                     ----------       ----------         -----------    ------------

 COSTS AND EXPENSES:
    Cost of Sales                                       110,451           91,648             218,582         179,784
    General and Administrative                            5,919            3,301              11,723           8,238

    Marketing                                             4,670            4,118               9,222           8,339
    Research, Development                                 4,584            4,523               9,083           9,163
      and Technical Services
    Interest, net (Note 3)                                2,128            1,803               3,992           3,721
                                                     ----------       ----------         -----------    ------------
                                                        127,752          105,393             252,602         209,245
                                                     ----------       ----------         -----------    ------------


 PRE-TAX INCOME                                           8,506            6,912              18,442          10,339

 PROVISION FOR INCOME TAXES                               3,088            2,834               6,915           4,239
                                                     ----------      -----------         -----------    ------------

 NET INCOME                                          $    5,418      $     4,078         $    11,527    $       6,100
                                                     ==========      ===========         ===========    =============


 NET INCOME PER
   COMMON SHARE (Note 4)
       Primary                                            $0.52            $0.38               $1.10            $0.56
                                                          =====            =====               =====            =====
       Fully Diluted                                      $0.49            $0.37               $1.05            $0.55
                                                          =====            =====               =====            =====


 DIVIDENDS PER COMMON SHARE                              $0.110           $0.105              $0.220          $ 0.210 
                                                         ======           ======              ======          =======

 AVERAGE COMMON SHARES
    OUTSTANDING                                           9,977            9,914               9,965            9,906
                                                          =====            =====               =====            =====
</TABLE>


All 1994 share and per share data have been retroactively adjusted for the
stock split effective December 15, 1994.

The accompanying Notes to Condensed Consolidated Financial Statements are an
integral part of these statements.
<PAGE>   4





                                 STEPAN COMPANY
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                For the Six Months Ended June 30, 1995 and 1994
                                   Unaudited


<TABLE>
<CAPTION>
 (Dollars In Thousands)                                                              6/30/95         6/30/94
                                                                                     -------         -------
 <S>                                                                                <C>             <C>

 NET CASH FLOW FROM OPERATING ACTIVITIES
    Net income                                                                      $ 11,527        $  6,100

    Depreciation and amortization                                                     15,360          15,117
    Deferred income taxes                                                                857             419
    Prepaid pension cost                                                                (307)           (147)
    Other non-cash items                                                                (150)            365
    Deferred revenue (Note 6)                                                         (1,184)          5,808

    Changes in Working Capital:
       Receivables, net                                                              (11,594)         (9,523)
       Inventories                                                                       658           6,425
       Accounts payable and accrued liabilities                                       (8,728)         (5,040)
       Other                                                                             398             105
                                                                                    --------       ---------

       Net Cash Provided by Operating Activities                                       6,837          19,629
                                                                                    --------       ---------

 CASH FLOWS FROM INVESTING ACTIVITIES
    Expenditures for property, plant and equipment                                   (14,304)        (20,797)
    Investment in joint venture                                                       (3,750)         (1,000)

    Other non-current assets                                                              40            (416)
                                                                                    --------       ---------
       Net Cash Used for Investing Activities                                        (18,014)        (22,213)
                                                                                    --------       ---------

 CASH FLOWS FROM FINANCING AND OTHER RELATED ACTIVITIES
    Revolving debt and notes payable to banks, net                                   (18,395)         13,147

    Other debt borrowings                                                             40,000             -
    Other debt repayments                                                             (9,062)        (7,349)
    Sales (Purchases) of treasury stock, net                                             314           (108)
    Dividends paid                                                                    (2,729)        (2,620)
    Other non-cash items                                                                 299            456
                                                                                    --------      ---------

       Net Cash Provided by Financing and Other Related Activities                    10,427          3,526
                                                                                    --------      ---------

 NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS                                   (750)           942
 CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR                                     $  2,452      $   1,515
                                                                                    --------      ---------
 CASH AND CASH EQUIVALENTS AT END OF PERIOD                                         $  1,702      $   2,457
                                                                                    ========      =========


 CASH PAID DURING THE PERIOD FOR:
    Interest                                                                        $  4,650      $   4,234
    Income taxes                                                                    $  8,440      $   4,202
</TABLE>


The accompanying Notes to Condensed Consolidated Financial Statements are an
integral part of these statements.





<PAGE>   5


                                 STEPAN COMPANY
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                      June 30, 1995 and December 31, 1994
                                   Unaudited


1.  CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

    The condensed consolidated financial statements included herein have been
    prepared by the company, without audit, pursuant to the rules and
    regulations of the Securities and Exchange Commission.  Certain information
    and footnote disclosures normally included in financial statements
    prepared in accordance with generally accepted accounting principles have
    been condensed or omitted pursuant to such rules and regulations, although
    management believes that the disclosures are adequate and make the
    information presented not misleading.  It is suggested that these condensed
    consolidated financial statements be read in conjunction with the financial
    statements and the notes thereto included in the company's latest Annual
    Report to Stockholders and the Annual Report to the Securities and Exchange
    Commission on Form 10-K for the year ended December 31, 1994.  In the
    opinion of management all adjustments, consisting only of normal recurring
    adjustments, necessary to present fairly the consolidated financial position
    of Stepan Company as of June 30, 1995, and the consolidated results of
    operations for the three and six months then ended, and cash flows for the
    six months then ended, have been included.

    Because the inventory determination under the LIFO method can only be made
    at the end of each year based on the inventory levels and costs at that
    point, interim LIFO determinations must necessarily be based upon
    management's estimates of expected year-end inventory levels and costs. 
    Since future estimates of inventory levels and prices are subject to many
    forces beyond the control of management, interim financial results are
    subject to final year-end LIFO inventory amounts.

2.  INVENTORIES

    Inventories include the following amounts:

<TABLE>
<CAPTION>
                                 (Dollars in Thousands)                                     6/30/95         12/31/94
                                                                                            -------         --------
                                 <S>                                                    <C>              <C>
                                 Inventories valued primarily on LIFO basis -
                                    Finished products                                   $ 27,650         $ 27,632
                                    Raw materials                                         17,156           17,832
                                                                                        --------         --------

                                 Total inventories                                      $ 44,806         $ 45,464
                                                                                        ========         ========
</TABLE>


If the first-in, first-out (FIFO) inventory valuation method had been used for
all inventories, inventory balances would have been approximately $14,500,000
and $13,200,000 higher than reported at June 30, 1995, and December 31, 1994,
respectively.
<PAGE>   6

3.  DEBT

    During June, 1995, the company entered into unsecured long-term loan
    agreements totaling $40 million with interest rates of 7.69 to 7.77 percent
    per annum and maturities of 10 to 15 years.  The proceeds of the new loans
    were used to reduce unsecured bank debt. The terms and conditions of the
    new loan agreements are essentially the same as those of previously
    existing agreements.

    Long-term debt includes unsecured bank debt of $3.8 million and $21.8
    million at June 30, 1995, and December 31, 1994, respectively.  The
    unsecured bank debt is available to the company under a line of credit
    based on rates that fluctuate daily.  The average interest rate on
    unsecured bank debt for the three month period ended June 30 was 6.74
    percent and 4.78 percent for 1995 and 1994, respectively.  For the six
    month period  ended June 30, 1995 and 1994, the average interest rate was
    6.71 percent and 4.56 percent, respectively.

4.  NET INCOME PER COMMON SHARE

    Primary net income per common share amounts are computed  by dividing net
    income less the convertible preferred stock dividend requirement by the
    weighted average number of common shares outstanding.  Fully diluted net
    income per share amounts are based on an increased number of common shares
    that would be outstanding assuming the exercise of certain outstanding
    stock options and the conversion of the convertible preferred stock, when
    such conversion would have the effect of reducing net income per share.
    For computation of earnings per share, reference should be made to Exhibit
    11.

5.  TREASURY STOCK

    At June 30, 1995, treasury stock consists of 20,208 shares of preferred
    stock and 62,607 shares of common stock.  At December 31, 1994, treasury
    stock consisted of 20,208 shares of preferred stock and 84,280 shares of
    common stock.

6.  DEFERRED REVENUE

    During 1994, the company received $12.9 million of prepayments on certain
    multi-year commitments for future shipments of products.  As the
    commitments are fulfilled, a proportionate share of the deferred revenue is
    taken into income.  Deferred revenue of $.6 million and $1.2 million were
    recognized as income during the three month and six month periods ended
    June 30, 1995, respectively.  Related deferred revenue at June 30, 1995, is
    $11.6 million of which $2.4 million is included in the "Accrued
    liabilities" caption of the Condensed Consolidated Balance Sheets.





<PAGE>   7


7.  CONTINGENCIES

    There are a variety of legal proceedings pending or threatened against the
    company.  Some of these proceedings may result in fines, penalties,
    judgments or costs being assessed against the company at some future time.
    The company's operations are subject to extensive local, state and federal
    regulations, including the federal Comprehensive Environmental Response,
    Compensation and Liability Act of 1980 ("Superfund") and the Superfund
    amendments of 1986.  The company and others, have been named as potentially
    responsible parties at affected geographic sites.  As discussed in
    Management's Discussion and Analysis of Financial Condition and Results of
    Operations included in this filing, the company believes that it has made
    adequate provisions for the costs it may incur with respect to these sites.
    The company has estimated a range of possible environmental and legal
    losses from $6.5 million to $21.3 million at June 30, 1995.  At June 30,
    1995, the company's reserve was $6.6 million for legal and environmental
    matters compared to $6.9 million at December 31, 1994.  While the company 
    has insurance policies that may cover some of its environmental costs, it 
    does not record those claims until such time as they become probable.  
    The company has received some insurance recoveries in the past, primarily 
    related to indemnification of legal costs.  Currently, the company has not
    recorded any outstanding insurance claims.

    At certain of the sites, estimates cannot be made of the total costs of
    compliance, or the company's share of such costs; accordingly, the company
    is unable to predict the effect thereof on future results of operations.
    In the event of one or more adverse determinations in any annual or interim
    period, the impact on results of operations for those periods could be
    material.  However, based upon the company's present belief as to its
    relative involvement at these sites, other viable entities'
    responsibilities for cleanup and the extended period over which any costs
    would be incurred, the company believes that these matters will not have a
    material effect on the company's financial position.  Certain of these
    matters are discussed in Item 3, Legal Proceedings, in the 1994 Form 10-K
    Annual Report and in other filings of the company with the Securities and
    Exchange Commission, which filings are available upon request from the
    company.
<PAGE>   8

                                 STEPAN COMPANY
                    Management's Discussion and Analysis of
                 Financial Condition and Results of Operations

The following is management's discussion and analysis of certain significant
factors which have affected the company's financial condition and results of
operations during the interim period included in the accompanying condensed
consolidated financial statements.

LIQUIDITY AND CAPITAL RESOURCES

For the first half of 1995, cash from operations has totaled $6.8 million,
compared to $19.6 million for the same period in 1994.  Cash from operations in
1994 included $5.8 million in customer advances.  Increased working capital
requirements accounted for essentially all of the remaining difference in
operating cash flows from year to year.

Increased demands for working capital have totaled $19.3 million for the first
half of 1995 compared to $8.0 million during 1994, an increase of $11.3
million.  During 1994, inventories fell by $6.4 million for the first six
months, compared to a decrease of $.6 million for this year.  Higher sales
drove receivables up by $11.6 million for the first half of 1995, compared to
$9.5 million for the same period last year.

Capital expenditures have totaled $14.3 million for the first six months of
1995, down from $20.8 million for the same period last year.  Capital
expenditures are projected to total $38.4 million for the current year,
compared to $42.9 million during 1994.  Included in current year investing
activities is a $3.8 million capital contribution to joint venture operation.

Since December 31, 1994, total company debt has increased by $12.6 million to
close the second quarter at $110.4 million.  Since year-end, the ratio of
long-term debt to long-term debt plus shareholders' equity has increased from
44.7 percent to 45.7 percent.  For the balance of 1995, total company debt is
expected to decline modestly due primarily to projected decreases in working
capital requirements.

During June, 1995, the company entered into unsecured long-term loan agreements
totaling $40 million with maturities of 10 to 15 years.  The proceeds of the
new loans were used to reduce domestic bank debt, which totaled $3.8 million as
of June 30, 1995.  The terms and conditions of the new loan agreements are
essentially the same as those of previously existing agreements.

The company maintains contractual relationships with its domestic banks which
provide for $45 million of revolving credit which may be drawn upon as needed
for general corporate purposes.  The company also meets short-term liquidity
requirements through uncommitted bank lines of credit and bankers' acceptances.
The company's foreign subsidiaries maintain committed and uncommitted bank
lines of credit in their respective countries to meet working capital
requirements as well as to fund capital expenditure programs.





<PAGE>   9

The company anticipates that cash from operations and from committed credit
facilities will be sufficient to meet anticipated capital expenditure programs,
dividend requirements and other planned financial commitments in 1995 and for
the foreseeable future.


RESULTS OF OPERATIONS

Three Months Ended June 30, 1995 and 1994

Net income for the second quarter ended June 30, 1995 was $5.4 million, or $.52
per share, up 33 percent from $4.1 million, or $.38 per share recorded for the
same quarter a year earlier. Net sales grew 21 percent to $136.3 million, up
from $112.3 million reported last year. Net sales by product group were

<TABLE>
<CAPTION>
                       (Dollars in Millions)                      Three Months
                                                                 Ended June 30
                                                        ---------------------------------
                                                          1995        1994       % Change
                                                          -----       ----       --------
                       <S>                              <C>      <C>             <C>
                       Net Sales:

                           Surfactants                  $  95.5   $   83.7       + 14
                           Polymers                        33.5       18.6       + 80
                           Specialty Products               7.3       10.0       - 27
                                                         ------   --------      
                                 Total                   $136.3     $112.3       + 21
                                                         ======   ========           
</TABLE>


Surfactants increase in net sales was due mainly to an 18 percent increase in
sales volume. A large part of the volume gain stemmed from domestic shipments
of concentrated products manufactured utilizing the recent neutralization
capacity expansion.  From the broad commercial customer base, higher selling
prices resulting from raw material cost increases also contributed to higher
net sales.  Mexico reported higher sales on higher volume and selling prices
which more than offset the impact of the devalued peso.  European sales were up
due to a stronger french franc and a pass through of higher raw material costs.

Surfactants gross profit increased 14 percent from $16.2 million to $18.5
million for the second quarter of 1995. Gross profit rose primarily on higher
sales from the larger national customers. The broad commercial customer base
reported a relatively flat gross profit between years.  Mexican gross profit
was up on higher sales volume and a better sales mix.  European gross profit
declined due to competitive price pressures in the European fabric softener
market which limited our ability to pass along raw material cost increases.
Canadian gross profit declined slightly from a year ago on relatively unchanged
sales volume.
<PAGE>   10

Polymers net sales were up due to significantly higher sales volumes and
selling prices of phthalic anhydride (PA) and polyurethane polyols.  Higher
selling prices were triggered by significant raw material price increases.
Shipments of PA are expected to be down due to a planned maintenance shut down
in the third quarter.  Sales of polyurethane systems declined on lower sales
volume.

Polymers gross profit for the quarter rose 138 percent to $6.2 million from
$2.6 million in the prior year. Higher PA sales volume and margins generated
the increase. Partially offsetting the increase was the lower polyurethane
polyols gross profit despite higher sales volume due to the inability to pass
along all the material cost increases. Polyurethane systems gross profit
declined on lower sales volume.

Specialty products net sales were down because sales of some lower margin
products were discontinued in the current year. Gross profit for specialty
products decreased by $.7 million to $1.1 million as a result of the
discontinued products and increased manufacturing costs between years.

Operating expenses for the second quarter increased 27 percent over the same
quarter in 1994. Administrative expenses increased 79 percent representing a
majority of the operating expense increase as a result of higher legal and
environmental expenses. The prior year's quarter legal and environmental
expenses included the favorable impact of insurance recoveries related to
previously incurred legal and environmental costs. Marketing expenses rose 13
percent primarily due to higher salaries. Research and development expenses
increased a slight one percent.

Interest expense for the quarter increased 18 percent primarily as a result of
higher borrowings and higher short-term borrowing rates.

Six Months Ended June 30, 1995 and 1994

Net income for the six months ended June 30, 1995 was $11.5 million, or $1.10
per share, up 89 percent from $6.1 million, or $.56 per share recorded for the
same period a year ago. Net sales grew 23 percent to $271.1 million, up from
$219.6 million reported last year. Net sales by product group were

<TABLE>
<CAPTION>
                            (Dollars in Millions)                       Six Months
                                                                      Ended June 30
                                                              -------------------------------
                                                              1995         1994      % Change
                                                              -----        ----      --------
                            Net Sales:
                                <S>                         <C>         <C>          <C>

                                Surfactants                 $ 194.3     $ 166.9      + 16
                                Polymers                       60.8        34.9      + 74
                                Specialty Products             16.0        17.8      - 10
                                                            -------     -------         
                                     Total                  $ 271.1     $ 219.6      + 23
                                                            =======     =======          
</TABLE>




<PAGE>   11

Surfactants increase in net sales was due in large part to a 14 percent
increase in sales volume. Higher average selling prices resulting from raw
material cost increases also contributed to higher net sales. A large part of
the volume gain was from shipments of new concentrated products this year.
Strong domestic sales volume was also supported by volume increase in Europe,
Canada, and Mexico. Reported sales in Mexico were down despite higher volume
due to the negative impact of the devalued peso.

Surfactants gross profit increased 19 percent from $32.4 million to $38.6
million for the first half of 1995. Gross profit rose sharply on higher
domestic sales volume and favorable mix of higher margin products. Mexico's
gross profit was up because of higher sales volume.  Canadian and European
gross profit was relatively unchanged from a year ago.

Polymers net sales were up due to higher sales volumes of phthalic anhydride
(PA) and polyurethane polyols. Higher selling prices also contributed to the
increased sales reflecting the pass through of rising raw material costs along
with some margin improvement for PA.  Shipments for P.A. will be down for the
second half due to a planned third quarter maintenance shutdown. Sales of
polyurethane systems declined on lower sales volume.

Polymers gross profit for the first half of 1995 rose 133 percent to $11.5
million from $4.9 million in the prior year. Higher PA sales volume and margins
generated all of the increase. Polyurethane polyols gross profit was relatively
unchanged despite higher selling prices which were offset by the raw material
cost increases. Polyurethane systems gross profit declined on lower sales
volume.

Specialty products net sales were down on reduced volume. Sales of some lower
margin products were discontinued in the current year.  Gross profit reported a
slight decline of $.1 million to $2.4 million from $2.5 million recorded a year
ago.

Operating expenses for the first half increased 17 percent over the same period
in 1994. Administrative expenses increased 42 percent representing a majority
of the operating expense increase as a result of higher legal and environmental
expenses. Prior year's first half included the favorable impact of insurance
recoveries related to previously incurred legal and environmental costs.
Marketing expenses rose 11 percent primarily due to higher salaries. Research
and development expenses declined one percent.

Interest expense increased seven percent primarily as a result of higher
short-term borrowing rates.
<PAGE>   12

ENVIRONMENTAL AND LEGAL MATTERS

The company is subject to extensive federal, state and local environmental laws
and regulations.  Although the company's environmental policies and practices
are designed to ensure compliance with these laws and regulations, future
developments and increasingly stringent environmental regulation could require
the company to make additional unforeseen environmental expenditures.  The
company will continue to invest in the equipment and facilities necessary to
comply with existing and future regulations.  During the first six months of
1995, company expenditures for capital projects related to the environment were
$2.4 million and should approximate $9 million to $10 million for the full year
1995.  These projects are capitalized and typically depreciated over 10 years.
Capital spending on such projects is likely to be somewhat lower in future
years as 1995 includes some larger projects.  Recurring costs associated with
the operation and maintenance of environmental protection facilities in ongoing
operations were $3.4 million for the first six months of 1995.  While difficult
to project, it is not anticipated that these recurring expenses will increase
significantly in the future.

The company has been named by the government as a potentially responsible party
at 17 waste disposal sites where cleanup costs have been or may be incurred
under the federal Comprehensive Environmental Response, Compensation and
Liability Act and similar state statutes.  In addition, damages are being
claimed against the company in general liability actions for alleged personal
injury or property damage in the case of some disposal and plant sites.  The
company believes that it has made adequate provisions for the costs it may
incur with respect to these sites.  The company has estimated a range of
possible environmental and legal losses from $6.5 million to $21.3 million at
June 30, 1995.  At June 30, 1995 the company's reserve was $6.6 million for
legal and environmental matters compared to $6.9 million at December 31, 1994.
During the first six months of 1995, expenditures related to legal and
environmental matters approximated $3.1 million.  The company expects to
receive reimbursement of environmental defense costs from insurers.  However,
currently the company has no receivable recorded for such claims.  At certain
of the sites, estimates cannot be made of the total costs of compliance or the
company's share of such costs; accordingly, the company is unable to predict
the effect thereof on future results of operations.  In the event of one or
more adverse determinations in any annual or interim period, the impact on
results of operations for those periods could be material.  However, based upon
the company's present belief as to its relative involvement at these sites,
other viable entities' responsibilities for cleanup and the extended period
over which any costs would be incurred, the company believes that these matters
will not have a material effect on the company's financial position.  Certain
of these matters are discussed in Item 3, Legal Proceedings, in the 1994 Form
10-K Annual Report and in other filings of the company with the Securities and
Exchange Commission, which filings are available upon request from the company.





<PAGE>   13

ACCOUNTING STANDARD

In March, 1995, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 121-Accounting for the Impairment of
Long-Lived Assets and for Long-Lived Assets to Be Disposed Of ("SFAS No. 121").
This standard must be adopted no later than the 1996 reporting year, but can be
adopted early.  SFAS No. 121 requires that operating assets and associated
goodwill be written down to fair value whenever an impairment review indicates
that the carrying value cannot be recovered on an undiscounted cash flow basis.
After any such noncash write-down, results of operations would be favorably
affected by reduced depreciation, depletion and amortization charges.  The
Company has initiated a review of SFAS No. 121 and, at this time, cannot
provide an assessment of the impact of adoption.  Adoption of the accounting
standard most likely will occur in 1996.
<PAGE>   14

Part II                       OTHER INFORMATION
-------------------------------------------------------------------------------
Item 1 - Legal Proceedings

    Reference is made to the Company's Report on Form 10-K for the year ended
December 31, 1994 concerning the Alvear v. Leonard Electronics Products Co. et.
al., Brownsville, Texas case.  The Company has reached a settlement in this
matter and has fully provided reserves to cover the terms of the settlement.

    Reference is made to the Company's Report Form 10-K for the year ended
December 31, 1994, regarding the site United States of American v.  Jerome
Lightman, et. al. (92 CV 4710 [JBS]).  The Company has been informed that the
United State's Government's estimate of past cost has now risen to
approximately $9.1 million from approximately $7.4 million.  The Company's
liability, if any, for this amount will depend on what the final determination
of the Company's allocated share is, which is the subject matter of this
lawsuit.

    On May 30, 1995, the Company received notification that it might be a
potentially responsible party at a site entitled Batavia Landfill located in
Batavia, New York.  The Company has responded that it has no knowledge of this
site or use of the site by the Company.  The Company, at this time, does not
believe it has any liability with regard to this site.

    On June 13, 1995, the Company's wholly-owned Canadian subsidiary received
notification that Canada Development Corporation, a Canadian entity from which
the Company's Canadian subsidiary had purchased assets, might be a potentially
responsible party at the Chem-Trol Pollution Services Inc. Site, located in
Hamburg, New York.  The alleged activities at this site apparently occurred
between 1971 and 1972 which pre- dates the incorporation of the Company's
Canadian subsidiary by approximately twelve years.  The Company does not
believe at this time, that it or its wholly-owned Canadian subsidiary has any
liability with regard to this site.





<PAGE>   15

Item 6  -  Exhibits and Reports on Form 8-K

    (A)      Exhibits

             (4)h    Copy of Loan Agreement dated June 15, 1995, with Aid
                     Association for Lutherans, the Northwestern Mutual Life 
                     Insurance Company and The Mutual Life Insurance Company 
                     of New York

             (11)    Statement re computation of Per Share Earnings

             (27)    Financial Data Schedule


    (B)      Reports on Form 8-K

             None

                                        
<PAGE>   16

                                   SIGNATURES



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


                                   STEPAN COMPANY

                                   /s/  Walter J. Klein




                                   Walter J. Klein
                                   Vice President - Finance
                                   Principal Financial and Accounting Officer



Date:           8/11/95






<PAGE>   1
                                                                   EXHIBIT (4)h

________________________________________________________________________________




                                 STEPAN COMPANY

                 _____________________________________________

                 $10,000,000 7.69% Promissory Notes, Series A,
                               Due June 30, 2005
                                      and
                 $30,000,000 7.77% Promissory Notes, Series B,
                               Due June 30, 2010              
                 _____________________________________________

                                 LOAN AGREEMENT

                           Dated as of June 15, 1995





<PAGE>   2

                               TABLE OF CONTENTS
                             (not part of Agreement)
                             -----------------------
<TABLE>
<CAPTION>
SECTION                                                              HEADING                                                 PAGE
<S>                           <C>                                                                                             <C>
LOAN AGREEMENT  I                                                                                                           
      Section 1.              The Notes and Commitment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 2.              Representations and Warranties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
      Section 3.              Acquisition for Investment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
      Section 4.              Conditions of Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
      Section 5.              Use of Proceeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
      Section 6.              Method and Place of Payment of Principal, Premium and Interest  . . . . . . . . . . . . . . . . 12
      Section 7.              Statements, Reports and Certificates to be Delivered by the Company . . . . . . . . . . . . . . 12
      Section 8.              Registered Notes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
      Section 9.              Payments of Certain Expenses by the Company . . . . . . . . . . . . . . . . . . . . . . . . . . 16
      Section 10.             Survival of Covenants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
      Section 11.             No Oral Change  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
      Section 12.             Communications and Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
      Section 13.             Law Governing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
      Section 14.             Headings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Signature Page  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PROMISSORY NOTES - EXHIBIT A  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 1.              The Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 2.              Exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 3.              Payments to Registered Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
      Section 4.              Prepayment of Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (A)          Required Prepayments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (B)          Optional Prepayments without Premium  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (C)          Optional Prepayment with Premium  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
                 (D)          Prepayment on Failure of Holders to Consent to Change of Control  . . . . . . . . . . . . . . .  4
      Section 5.              Partial Prepayments to be Pro Rata where More than One Series A Note Outstanding  . . . . . . .  5
                                                                                                                                
</TABLE>       




                                       
                                      -2-
<PAGE>   3
<TABLE>
      <S>                     <C>                                                                                             <C>
      Section 6.              Notice of Prepayment and Other Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
                 (A)          Prepayment Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
                 (B)          Mailing of Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
      Section 7.              Notes Due and Interest Ceases on Prepayment Date; Evidence of Partial Prepayment; New Notes . .  6
      Section 8.              Affirmative Covenants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (A)          Maintenance of Office or Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (B)          Payment of Principal, Premium and Interest  . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (C)          Maintenance of Corporate Existence  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (D)          Properties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (E)          Insurance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (F)          Payment of Taxes, Assessments, Etc  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (G)          Payment of Indebtedness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (H)          Keeping of Books  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (I)          Compliance with Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (J)          Notice of Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (K)          Notice of Change of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
      Section 9.              Negative Covenants  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (A)          Limitations on Funded Indebtedness  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (B)          Limitations on Restricted Subsidiaries  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
                 (C)          Limitations on Liens  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
                 (D)          Limitations on Guaranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (E)          Limitation on Investments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (F)          Limitation on Dividends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (G)          Limitations on Dispositions of Stock or Indebtedness of Restricted Subsidiaries . . . . . . . . 16
                 (H)          Maintenance of Consolidated Current Assets  . . . . . . . . . . . . . . . . . . . . . . . . . . 17
                 (I)          Limitations on Mergers, Consolidations and Sales of Assets  . . . . . . . . . . . . . . . . . . 17
                 (J)          Limitations on Sale-and-Leasebacks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (K)          Limitation on Rentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (L)          Transactions with Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (M)          Compliance with ERISA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
      Section 10.             Consents, Waivers and Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
      Section 11.             Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
      Section 12.             Events of Default and Remedies  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
      Section 14.             Loss, Theft, Destruction or Mutilation of Note  . . . . . . . . . . . . . . . . . . . . . . . . 30
      Section 15.             Governing Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
      Section 16.             Successors and Assigns  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
      Section 17.             Headings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
</TABLE>





                                      -3-  
<PAGE>   4
<TABLE> 
<S>                           <C>                                                                                             <C>
                                                                                                                            
PROMISSORY NOTES - EXHIBIT B  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
      Section 1.              The Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 2.              Exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
      Section 3.              Payments to Registered Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
      Section 4.              Prepayment of Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (A)          Required Prepayments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (B)          Optional Prepayments without Premium  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
                 (C)          Optional Prepayment with Premium  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
                 (D)          Prepayment on Failure of Holders to Consent to Change of Control  . . . . . . . . . . . . . . .  4
      Section 5.              Partial Prepayments to be Pro Rata where More than One Series B Note Outstanding  . . . . . . .  5
      Section 6.              Notice of Prepayment and Other Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
                 (A)          Prepayment Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
                 (B)          Mailing of Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
      Section 7.              Notes Due and Interest Ceases on Prepayment Date; Evidence of Partial Prepayment; New Notes . .  6
      Section 8.              Affirmative Covenants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (A)          Maintenance of Office or Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (B)          Payment of Principal, Premium and Interest  . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (C)          Maintenance of Corporate Existence  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (D)          Properties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
                 (E)          Insurance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (F)          Payment of Taxes, Assessments, Etc  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (G)          Payment of Indebtedness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
                 (H)          Keeping of Books  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (I)          Compliance with Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (J)          Notice of Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (K)          Notice of Change of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
      Section 9.              Negative Covenants  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (A)          Limitations on Funded Indebtedness  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
                 (B)          Limitations on Restricted Subsidiaries  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
                 (C)          Limitations on Liens  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
                 (D)          Limitations on Guaranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (E)          Limitation on Investments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (F)          Limitation on Dividends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
                 (G)          Limitations on Dispositions of Stock or Indebtedness of Restricted Subsidiaries . . . . . . . . 16
                 (H)          Maintenance of Consolidated Current Assets  . . . . . . . . . . . . . . . . . . . . . . . . . . 16
</TABLE>  





                                      -4-     
<PAGE>   5
<TABLE>    
      <S>                     <C>                                                                                             <C>
                                                                                                                            
                 (I)          Limitations on Mergers, Consolidations and Sales of Assets  . . . . . . . . . . . . . . . . . . 16
                 (J)          Limitations on Sale-and-Leasebacks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (K)          Limitation on Rentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (L)          Transactions with Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
                 (M)          Compliance with ERISA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
      Section 10.             Consents, Waivers and Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
      Section 11.             Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
      Section 12.             Events of Default and Remedies  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
      Section 13.             No Waiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
      Section 14.             Loss, Theft, Destruction or Mutilation of Note  . . . . . . . . . . . . . . . . . . . . . . . . 30
      Section 15.             Governing Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
      Section 16.             Successors and Assigns  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
      Section 17.             Headings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
</TABLE>       




                                                                            
                                      -5-
<PAGE>   6




                           Description of Properties,
                     Subsidiaries, Pending Litigation, etc.
                         (Exhibit C to Loan Agreement)





                                      -6-
<PAGE>   7

Stepan Company                                                   Loan Agreement



                                 STEPAN COMPANY
                            Edens at Winnetka Avenue
                          Northfield, Illinois  60093

                                 LOAN AGREEMENT

                                                       Dated as of June 15, 1995

To the Institution Listed
on Schedule I Attached Hereto
Which is a Signatory to This
Agreement


Ladies and Gentlemen:

         The undersigned, Stepan Company, a Delaware corporation (herein called
the "Company"), agrees with you as follows:

             Section 1.     The Notes and Commitment;.

          (A)    Authorization and Description of Notes.  The Company proposes
to authorize borrowings in the aggregate principal amount of $40,000,000, such
borrowings to be evidenced by two series of Promissory Notes (herein
collectively called "Notes") of the Company as follows:

                  (a)     $10,000,000 aggregate principal amount of 7.69%
         Promissory Notes, Series A of the Company (the "Series A Notes"), to
         be dated as of the date of issue, to bear interest from such date at
         the rate of 7.69% per annum payable semi-annually on the thirtieth day
         of each June and December in each year (commencing on the first of
         such dates after the date hereof), to be expressed to mature on June
         30, 2005 and to have the other terms and provisions and to be
         substantially in the form attached to this agreement as Exhibit A; and

                  (b)     $30,000,000 aggregate principal amount of 7.77%
         Promissory Notes, Series B of the Company (the "Series B Notes"), to
         be dated as of the date of issue, to bear interest from such date at
         the rate of 7.77% per annum payable semi-annually on the thirtieth day
         of each June and December in each year (commencing on the first of
         such dates after the date hereof), to be expressed to mature on June
         30, 2010 and to have the other terms and provisions and to be
         substantially in the form attached to this agreement as Exhibit B.





                                      -7-
<PAGE>   8

Stepan Company                                                  Loan Agreement



         The term "Notes" as used in this agreement shall include each
promissory note, regardless of series, delivered under this agreement and the
other agreements referred to in paragraph (C) of this section 1, and each
promissory note delivered in substitution or exchange for any such promissory
note, and, where applicable, shall include the singular number as well as the
plural.  The term "Note" shall mean one of the Notes.  Each term defined in
Exhibits A and B shall have such defined meaning for the purpose of this
agreement unless this agreement otherwise requires.

          (B)    The Loans and Closing Dates.  Subject to the terms and
conditions of this agreement and on the basis of the representations and
warranties hereinafter set forth, the Company hereby agrees to borrow from you,
and you hereby agree to lend to the Company, on June 30, 1995, or such other
date as shall be mutually agreed upon (the "Closing Date"), the aggregate
principal amounts to be evidenced by Notes of the designated series all as set
forth opposite your name on Schedule I.  The loans will be made at the offices
of Chapman and Cutler, 111 W.  Monroe Street, Chicago, Illinois 60603, at 11:00
A.M. Chicago time on the Closing Date in Federal or other funds current and
immediately available at The First National Bank of Chicago (ABA No.
071000013), One First National Plaza, Chicago, Illinois 60670, against delivery
of Notes of the respective series indicated on Schedule I in the aggregate
principal amount of the loans then scheduled to be made.

         The Notes to be delivered to you on the Closing Date will be in the
form of one Note for each series, in the aggregate principal amount of the loan
specified to be made by you on such Closing Date, registered in your name or in
the name of such nominee all as you may specify at any time prior to the date
fixed for delivery.

          (C)    Other Agreements.  Simultaneously with the execution and
delivery of this agreement, the Company is entering into substantially
identical agreements with the other lenders listed on Schedule I under which
such other lenders agree to lend to the Company the principal amounts set
opposite such lenders' names in Schedule I and your obligations and the
obligations of the Company hereunder are subject to the execution and delivery
of substantially identical agreements by the other lenders.  The obligations of
each lender shall be several and not joint and no lender shall be liable or
responsible for the acts of any other.

             Section 2.     Representations and Warranties;.

         The Company represents and warrants that:

                  (A)     Financial Statements.  The consolidated balance
         sheets of the Company and its subsidiaries for the last five fiscal
         years of the Company ending December 31, 1994, and the consolidated
         statements of income and changes in financial position or





                                      -8-
<PAGE>   9

Stepan Company                                                   Loan Agreement



         cash flows of the Company and its subsidiaries for such fiscal years,
         including in each case the related schedules and notes, all
         accompanied by the opinion of Arthur Andersen & Co., independent
         certified public accountants, and the consolidated balance sheet of
         the Company and its subsidiaries for the fiscal quarter of the Company
         ending March 31, 1995, and the consolidated statements of income and
         cash flows of the Company and its subsidiaries for such three month
         period, copies of all of which balance sheets and statements have
         heretofore been delivered to you, were prepared in accordance with
         good accounting practice consistently applied throughout the periods
         involved, are correct and complete and fairly present the financial
         position and results of operations of the Company and its subsidiaries
         for each such fiscal year and, subject to year end audit, for such
         quarterly fiscal period.  There has been no change in the financial
         condition of the Company and its subsidiaries as shown on its latest
         audited consolidated balance sheet, other than changes in the ordinary
         course of business which have not, in the aggregate, been materially
         adverse.

                  (B)     Business.  You have heretofore been furnished with
         copies of (x) the annual report as filed with the Securities and
         Exchange Commission on Form 10-K for year ended December 31, 1994 (the
         "10-K") which generally sets forth the business conducted and proposed
         to be conducted by the Company and its subsidiaries and (y) the
         quarterly report as filed with the Securities and Exchange Commission
         on Form 10-Q for the quarterly fiscal period ended March 31, 1995 (the
         "10-Q").

                  (C)     Properties and Subsidiaries.  Exhibit C to this
         agreement correctly sets forth (1) a brief description of the
         properties (including material leaseholds) of the Company, (2) the
         jurisdiction or jurisdictions in which the Company is incorporated or
         owns property or conducts its business, and a statement as to whether
         the Company is qualified or licensed as a foreign corporation in each
         jurisdiction, other than the jurisdiction of its incorporation, in
         which it owns property or conducts business, (3) a list of the
         subsidiaries of the Company showing in each case the number of shares
         of stock of each class outstanding and the shares of each class as of
         the date hereof owned by the Company, and (4) a list of the
         subsidiaries of the Company which the Company hereby designates as
         restricted subsidiaries pursuant to paragraph (U) of section 11 of the
         Notes.

                  (D)     No Material Adverse Changes.  Since December 31, 1994
         neither the business or operations of the Company or any of its
         subsidiaries nor the properties or assets of the Company and its
         subsidiaries, taken as a whole, have been materially and adversely
         affected in any way as the result of any act or event, including,
         without





                                      -9-
<PAGE>   10

Stepan Company                                                 Loan Agreement



         limitation:  fire, explosion, flood, drought, storm, earthquake,
         accident or act of God; strike, lockout, combination of workmen or
         other disturbance; riot, atomic explosion, activity of armed forces or
         of the public enemy; or embargo, nationalization, condemnation,
         requisition or taking of property or cancellation or modification of
         contracts by any domestic or foreign government.

                  (E)     No Pending Material Litigation or Proceedings.  There
         are no actions, suits or proceedings pending or, to the best knowledge
         and belief of the Company, threatened against or affecting the
         Company, at law or in equity or before or by any federal, state,
         municipal or other governmental department, commission, board, bureau,
         agency or instrumentality, domestic or foreign, which may result in
         any material adverse change in the business, properties or assets or
         in the condition, financial or otherwise, of the Company.  The Company
         is not (1) in default with respect to any order, writ, injunction or
         decree of any court or (2) in default in any material respect under
         any order, regulation (including but not limited to any environmental
         regulation), permit, license or demand of any federal, state,
         municipal or other governmental agency, the consequences of which
         would materially and adversely affect the business, properties or
         assets or the condition, financial or otherwise, of the Company.

                  (F)     Valid Organization and Good Standing of the Company.
         The Company is a duly and validly organized and existing corporation
         in good standing under the laws of its jurisdiction of incorporation
         and is duly licensed or qualified and in good standing as a foreign
         corporation in all other jurisdictions where the ownership or leasing
         of property or the nature of business transacted makes such
         qualification necessary, and is entitled to own its properties and
         assets, and to carry on its business, all as, and in the places where,
         such properties and assets are now owned or operated or such business
         is now conducted or presently proposed to be conducted.  The Company
         does not own any real property located outside of its jurisdiction of
         incorporation or jurisdictions in which it is duly qualified to do
         business as a foreign corporation and is not doing business outside of
         such jurisdictions of a character which would require such
         qualification.  The Company has made payment of all franchise and
         similar taxes in its jurisdiction of incorporation, and in all of the
         respective jurisdictions in which it is qualified as a foreign
         corporation, insofar as such taxes are due and payable at the date of
         this agreement, except for any such taxes the validity of which is
         being contested in good faith and for which proper reserves have been
         set aside on the books of the Company.

                  (G)     Title to Real and Personal Property.  The Company has
         good and marketable fee title to all the real property, and good and
         marketable title to all other





                                      -10-
<PAGE>   11
Stepan Company                                               Loan Agreement



         material property and assets, reflected in the consolidated balance
         sheet as of December 31, 1994, referred to in paragraph (A) above, or
         purported to have been acquired by the Company subsequent to such
         date, except property and assets sold or otherwise disposed of
         subsequent to such date in the ordinary course of business and except
         for title defects permitted by paragraph (C) of section 9 of the
         Notes.  The real property and other material property and assets of
         the Company are free from any liens, security interests or other
         encumbrances securing indebtedness which arose through borrowings and
         from any other liens, security interests or other encumbrances which
         are substantial in amount, or which affect or impair the operations of
         the Company, or which have arisen other than in the ordinary course of
         the business of the Company, except as may be permitted by paragraph
         (C) of section 9 of the Notes.  No financing statement under the
         Uniform Commercial Code which names the Company or any of its
         subsidiaries as debtor has been filed in any jurisdiction, and neither
         the Company nor any of such subsidiaries has signed any financing
         statement or any security agreement authorizing any secured party
         thereunder to file any such financing statement, except as may be
         permitted by paragraph (C) of section 9 of the Notes.

                  (H)     Patents and Other Rights.  The Company possesses all
         patents, patent rights or licenses, trademark rights, trade names,
         trade name rights and copyrights which are required to conduct its
         business as now conducted without known conflict with the rights of
         others.

                  (I)     No Leases or Title Retention Agreements Affecting
         Balance Sheet Values; Status of any Other Leases.  None of the assets
         or property the value of which is reflected in the consolidated
         balance sheet as of December 31, 1994, referred to in paragraph (A)
         above, is held by the Company as lessee under any lease or as
         conditional vendee under any conditional sale contract or other title
         retention agreement, other than capitalized leases included on such
         consolidated balance sheet and leasehold improvements on leased
         property in an aggregate amount (net after subtracting the reserve for
         amortization with respect to such leasehold improvements) not
         exceeding $200,000.  The Company enjoys peaceful and undisturbed
         possession of the premises occupied under all of the leases under
         which it is operating, none of which contains any unusual or
         burdensome provisions that will materially affect or impair the
         operations of the Company.  All of such leases are valid, subsisting
         and in full force and effect.

                  (J)     No Adverse Contracts or Restrictions.  The Company is
         not a party to, or bound by, any contract or agreement or instrument,
         or subject to any charter or





                                      -11-
<PAGE>   12

Stepan Company                                             Loan Agreement



         other corporate restriction, materially and adversely affecting its
         business, property, assets, operations or condition, financial or
         otherwise.

                  (K)     Transaction is Legal and Authorized; No Legal
         Restrictions on Performance.  The issuance of the Notes and compliance
         by the Company with all of the provisions of this agreement and the
         Notes _

                           (i)    are within the corporate powers of the
                 Company; and

                          (ii)    will, on or prior to the Closing Date, have
                 been duly authorized by proper corporate action on the part of
                 the Company (no action by the stockholders of the Company
                 being required by law, by the corporate charter or by-laws of
                 the Company or otherwise), and the agreement and the Notes
                 will, upon execution and delivery by the Company on the
                 Closing Date, constitute the legal, valid and binding
                 obligations, contracts and agreements of the Company
                 enforceable in accordance with their respective terms.

                 Neither the execution and delivery of this agreement, the
         consummation of the transactions contemplated hereby, the fulfillment
         of its terms, nor compliance with its terms and conditions and with
         the terms and provisions of the Notes, will conflict with or result in
         a breach of any of the terms, conditions or provisions of any
         corporate restriction or of any indenture, mortgage, deed of trust,
         pledge, bank loan, credit agreement, corporate charter, by-laws or
         other agreement or instrument to which the Company is now a party or
         by which it or its properties may be bound or affected, or any
         judgment, order, writ, injunction, decree or demand of any court or
         any federal, state, municipal or other governmental department,
         commission, board, bureau, agency or instrumentality, domestic or
         foreign, or constitute a default under any of the foregoing, or result
         in the creation or imposition of any lien, charge or encumbrance of
         any nature whatsoever upon any of the property or assets of the
         Company under the terms or provisions of any of the foregoing.  The
         Company is not in default in the performance, observance or
         fulfillment of any of the obligations, covenants and conditions
         contained in any indenture or other agreement creating, evidencing or
         securing indebtedness of the Company or pursuant to which any such
         indebtedness is or may be issued, or contained in any other agreement
         or instrument to which the Company is a party or by which the Company
         or its properties may be bound or affected.

                  (L)     Compliance with Statutes and Regulations.  The
         Company and its subsidiaries have complied with all applicable
         statutes and regulations of the United States of America and of all
         foreign countries having jurisdiction, and of any state,





                                      -12-
<PAGE>   13

Stepan Company                                              Loan Agreement



         province, municipality, agency or other governmental unit of any
         thereof, in respect of the conduct of their respective businesses and
         ownership of their respective properties (including, without
         limitation, applicable statutes, regulations, orders and restrictions
         relating to equal employment opportunities and environmental standards
         or controls).  No governmental consents, approvals or authorizations
         are required to be obtained and no registrations or declarations are
         required to be filed in connection with the execution and delivery of
         this agreement and the Notes.

                  (M)     Tax Status.  All domestic and foreign tax returns and
         reports of the Company and its subsidiaries relating to taxes based on
         or measured by income or revenues, and all other tax returns and
         reports of the Company and its subsidiaries, required to be filed have
         been duly filed.  The Company and its subsidiaries have paid or
         adequately provided for the payment of (i) all taxes shown as due on
         the returns and reports filed by any of them or pursuant to any
         assessment received by any of them (and the Company knows of no
         proposed assessment of additional taxes or any basis therefor) and
         (ii) all other taxes, assessments, fees and governmental charges upon
         the Company and its subsidiaries and upon their respective properties,
         assets, income and franchises, except for such taxes, assessments,
         fees and charges, if any, which are being contested in good faith and
         as to which adequate reserves have been provided.  The United States
         income tax liabilities of the Company and its subsidiaries have been
         finally determined by the Internal Revenue Service and satisfied for
         all fiscal years up to and including the fiscal year ended December
         31, 1992.  The Internal Revenue Service has reviewed all of the
         Federal tax returns of the Company and its subsidiaries for the fiscal
         years up to and including the fiscal year ending December 31, 1992.
         All agreed-to adjustments and interest thereon have been paid.

                 No waiver of the applicable statute of limitations has been
         given and is in effect with respect to any United States tax return
         required to be filed by the Company or any of its subsidiaries.

                  (N)     Absence of Foreign or Enemy Status, Investment
         Company Act and Public Utility Holding Company Act.  Neither the
         issuance of the Notes nor the use of the proceeds of the loans
         evidenced thereby as contemplated herein will result in a violation of
         any of the foreign assets control regulations of the United States
         Treasury Department (31 C.F.R., Subtitle B, Chapter V, as amended), or
         any ruling issued thereunder or any enabling legislation or
         Presidential Executive Order in connection therewith.  The Company is
         not an "investment company," or a company "controlled" by an
         "investment company," within the meaning of the Investment Company Act
         of 1940, as amended, and neither the Company, nor any of its





                                      -13-
<PAGE>   14

Stepan Company                                                Loan Agreement



         subsidiaries, is a "holding company" or a "subsidiary company" of a
         "holding company" or an "affiliate" of a "holding company" or of a
         "subsidiary company" of a "holding company," as such terms are defined
         in the Public Utility Holding Company Act of 1935, as amended.

                  (O)     Federal Reserve Board Regulations.  Neither the
         Company nor any of its subsidiaries owns any "margin stock" as such
         term is defined in Regulation G of the Board of Governors of the
         Federal Reserve System (12 CFR Part 207), as amended, except margin
         stock owned or which may be acquired by the Company or its
         subsidiaries which does not and would not in the aggregate constitute
         a substantial part of the consolidated assets of the Company and its
         subsidiaries within the meaning of Section 207.2(i) of the aforesaid
         Regulation G, and the Company will not use, or permit any of its
         subsidiaries to use, any part of the proceeds from the loan to be made
         under this agreement, (1) directly or indirectly, to purchase or carry
         any such stock (except for shares of the Company acquired by the
         Company in connection with its stock option plans, deferred management
         compensation plans or other publicly announced stock purchase plans)
         or to reduce or retire any indebtedness originally incurred to
         purchase any such stock (except as noted above) within the meaning of
         such Regulation, (2) so as to involve the Company or any of its
         subsidiaries in a violation of Regulation G, T, U or X of such Board
         (12 CFR Parts 220, 221 and 224), or (3) for any other purpose not
         permitted by Section 7 of the Securities Exchange Act of 1934, as
         amended, or any of the rules and regulations respecting the extension
         of credit promulgated thereunder.

                  (P)     Exempt Status of Transaction under Securities Act and
         Representations of Company Relating Thereto.  The Company has not,
         either directly or through any agent, offered all or any part of the
         loan to be made by you under this agreement or any of the Notes to, or
         solicited any offers to make all or any part of such loan or to
         acquire any of the Notes from, or otherwise approached or negotiated
         or communicated in respect of all or any part of such loan or any of
         the Notes with, any person other than you and not more than two other
         institutional investors each of whom was offered a portion of the
         Notes at a private sale for investment.  Neither the Company nor any
         agent on its behalf will offer to obtain all or any part of such loan
         from, or offer any of the Notes to, or solicit any offers to make all
         or any part of such loan or acquire any of the Notes from, or
         otherwise approach, negotiate or communicate in respect of any part of
         such loan or any of the Notes with, any person or persons so as
         thereby to bring the obtaining of such loan by the Company and the
         delivery of the Notes within the registration provisions of the
         Securities Act of 1933, as amended.





                                      -14-
<PAGE>   15

Stepan Company                                            Loan Agreement



                  (Q)     Disclosure.  Neither this agreement, the 10-K, the
         10-Q nor the financial statements referred to in paragraph (A) of this
         section 2, nor any certificate or statement furnished to you on behalf
         of the Company in connection with the transactions contemplated
         hereby, contains any untrue statement of a material fact or omits to
         state a material fact necessary in order to make the statements
         contained therein in light of the circumstances under which they were
         made not misleading.  There is no fact which materially adversely
         affects, or in the future may (so far as the Company can now foresee)
         materially adversely affect, the business prospects or financial
         condition of the Company or any of its properties or assets which has
         not been set forth herein or in a certificate or statement in writing
         furnished to you by the Company.

                  (R)     Employee Retirement Income Security Act of 1974.  The
         consummation of the transactions herein provided for and compliance by
         the Company with the provisions of this agreement and the Notes issued
         hereunder will not involve any prohibited transaction within the
         meaning of the Employee Retirement Income Security Act of 1974, as
         amended ("ERISA") or Section 4975 of the Internal Revenue Code.  No
         "employee pension benefit plans", as defined in ERISA ("Plans"),
         maintained by the Company, nor any trusts created thereunder, have
         incurred any "accumulated funding deficiency" as defined in Section
         302 of ERISA nor does the present value of all benefits vested under
         all Plans exceed, as of January 1, 1995, the last annual valuation
         date, the value of the assets of the Plans allocable to such vested
         benefits by an amount in excess of $100,000.

                  (S)     Compliance with Environmental Laws.  The Company
         complies with all applicable Federal, state and local laws, statutes,
         rules, regulations and ordinances relating to public health, safety or
         the environment including, without limitation, relating to releases,
         discharges, emissions or disposals to air, water, land or ground
         water, to the withdrawal or use of ground water, to the use, handling
         or disposal of polychlorinated biphenyls (PCB's), asbestos or urea
         formaldehyde, to the treatment, storage, disposal or management of
         hazardous substances (including, without limitation, petroleum, its
         derivatives, by-products or other hydrocarbons), to exposure to toxic,
         hazardous or other controlled, prohibited or regulated substances, to
         the transportation, storage, disposal, management or release of gases
         or liquid substances, the failure to comply with which could have a
         materially adverse effect on the Company, its subsidiaries, their
         business and properties, taken as a whole.  The Company does not know
         of any liability of the Company or any subsidiary under the
         Comprehensive Environmental Response, Compensation and Liability Act
         of 1980, as amended by the Superfund Amendments and Reauthorization
         Act of 1986





                                      -15-
<PAGE>   16

Stepan Company                                               Loan Agreement



         (42 U.S.C. Section 9601 et seq.) which could have a material adverse
         effect on the Company and its subsidiaries on a consolidated basis.

             Section 3.     Acquisition for Investment;.

         The Company makes this agreement with you in reliance upon your
representation to the Company, which by your acceptance of this agreement you
confirm, that you are acquiring the Notes which are the subject matter of this
agreement for your own account for the purpose of investment and not with a
view to the distribution of such Notes, but subject nevertheless to any
requirement of law that the disposition of your property shall at all times be
and remain within your control.  You further represent that (i) you are
acquiring the Notes for your own account and with your general corporate assets
and not with the assets of any separate account in which any employee benefit
plan has any interest, and (ii) as used in this section, the terms "separate
account" and "employee benefit plan" shall have the respective meanings
assigned to them in ERISA.

             Section 4.     Conditions of Closing;.

         Your obligation to make the loans provided for in section 1 above
shall be subject to the performance by the Company prior to or on the Closing
Date of all of its agreements theretofore to be performed under this agreement,
to the accuracy of its representations and warranties contained in this
agreement and to the satisfaction, prior to or concurrently with the making of
such loans on the Closing Date, of the following further conditions:

                  (A)     Opinion of Special Counsel.  You shall have received
         on the Closing Date from Chapman and Cutler, who are acting as special
         counsel for you in connection with this transaction, an opinion, dated
         the Closing Date, in form and substance satisfactory to you, to the
         effect that:

                           (1)    the Company is a corporation, validly
                 existing and in good standing under the laws of the State of
                 Delaware and has the corporate power and the corporate
                 authority to execute and deliver this Agreement and to issue
                 the Notes;

                           (2)    this agreement has been duly authorized by
                 all necessary corporate action on the part of the Company, has
                 been duly executed and delivered by the Company and
                 constitutes the legal, valid and binding contract of the
                 Company enforceable in accordance with its terms, subject to
                 bankruptcy, insolvency, fraudulent conveyance and similar laws
                 affecting creditors' rights generally, and general principles
                 of equity (regardless of





                                      -16-
<PAGE>   17

Stepan Company                                               Loan Agreement



                 whether application of such principles is considered in a
                 proceeding in equity or at law);

                           (3)    the Notes have been duly authorized by all
                 necessary corporate action on the part of the Company, and the
                 Notes being delivered on the date hereof have been duly
                 executed and delivered by the Company and constitute the
                 legal, valid and binding obligations of the Company
                 enforceable in accordance with their terms, subject to
                 bankruptcy, insolvency, fraudulent conveyance and similar laws
                 affecting creditors' rights generally, and general principles
                 of equity (regardless of whether application of such
                 principles is considered in a proceeding in equity or at law);

                           (4)    it is not necessary, in connection with the
                 obtaining of such loans from you and the execution and
                 delivery of the Notes to you under the circumstances
                 contemplated by this agreement, to register such Notes under
                 the Securities Act of 1933, as amended, or to qualify an
                 indenture in respect of such Notes under the Trust Indenture
                 Act of 1939, as amended;

                           (5)    the legal opinion referred to in paragraph
                 (B) of this section 4 is satisfactory in form and scope to
                 such special counsel and, in their opinion, you are justified
                 in relying thereon; and

                           (6)    such other matters incident to the
                 transactions contemplated by this agreement as you may request.

                  (B)     Opinion of Counsel to Company.  You shall have
         received on the Closing Date from Jeffrey W. Bartlett, Esq., General
         Counsel for the Company, an opinion, dated the Closing Date, in form
         and substance satisfactory to you, as to all matters specified in
         clauses (2) to (4), inclusive, of paragraph (A) of this section 4, and
         to the effect that:

                           (1)    the Company is a corporation duly organized,
                 existing and in good standing under the laws of the State of
                 Delaware, with full power and authority to carry on the
                 business and to own the properties described in Exhibit C, to
                 enter into this agreement, to borrow money as contemplated by
                 it, to issue the Notes and to carry out the provisions of this
                 agreement and the Notes;

                           (2)    the Company is duly qualified as a foreign
                 corporation to do business and is in good standing in each of
                 the jurisdictions in which it is





                                      -17-
<PAGE>   18

Stepan Company                                                 Loan Agreement



                 required to be qualified to do business as a foreign
                 corporation as stated in Exhibit C;

                           (3)    there is no charter, by-law or preferred or
                 common stock provision, nor any statute, rule or regulation
                 binding on the Company, nor (to the best knowledge and belief
                 of such counsel) any indenture, contract or other agreement to
                 which the Company is a party or by which the Company or its
                 properties is or may be bound, which would be contravened by
                 the execution and delivery of this agreement or of the Notes
                 or by the performance of any term, provision, condition,
                 agreement, covenant or obligation of the Company contained
                 herein or therein;

                           (4)    neither the borrowing pursuant hereto nor the
                 use by the Company of all or any portion of the proceeds of
                 the loan in accordance with section 5 hereof will violate
                 Section 7 of the Securities Exchange Act of 1934, as amended,
                 or applicable regulations thereunder including, without
                 limitation, Regulations G, T and X of the Board of Governors
                 of the Federal Reserve System (12 CFR. Chapter II);

                           (5)    except as set forth in the 10-K or in Exhibit
                 C attached hereto, there are no actions, suits or proceedings
                 pending or, to the best knowledge and belief of such counsel,
                 threatened against or affecting the Company, at law or in
                 equity or before or by any federal, state, municipal or other
                 governmental department, commission, board, bureau, agency or
                 instrumentality, domestic or foreign, an adverse determination
                 with respect to which may result in any material adverse
                 change in the business, properties, assets or condition,
                 financial or otherwise, of the Company;

                           (6)    no order, permission, consent or approval of
                 any federal or state commission, board or regulatory body is
                 required as a condition to the lawful execution and delivery
                 of this agreement or of such Notes; and

                           (7)    such other matters incident to the
                 transactions contemplated by this agreement as you may request.

                  (C)     Certificate as to Representations and Warranties.
         The representations and warranties of the Company contained in section
         2 shall be true on and as of the Closing Date with the same effect as
         though such representations and warranties had been made on and as of
         the Closing Date; and the Company shall have delivered to





                                      -18-
<PAGE>   19

Stepan Company                                                  Loan Agreement



         you on the Closing Date a certificate, dated the Closing Date, signed
         by the President, a Vice President or the Treasurer of the Company to
         such effect.

                  (D)     Related Transactions.  Concurrently with the
         consummation of the loans and the issuance of the Notes on the Closing
         Date, the Company shall consummate all of the loans and the issue of
         the Notes in the aggregate principal amount scheduled for such Closing
         Date pursuant to this agreement and the other agreements referred to
         in paragraph (C) of section 1 hereof.

                  (E)     Legality of Investment.  The making of the loans
         provided for in section 1 on the Closing Date and the acquisition of
         the Notes evidencing the same shall qualify as a legal investment for
         you under all laws applicable to investments by you (without resort to
         any so-called basket provisions of such laws) and you shall have
         received such certificates, or such other evidence as you may
         reasonably request, to establish compliance with this condition.

                  (F)     No Material Change in Management or Business.  There
         shall not have been since December 31, 1994 any material change in the
         management, control or nature of the business of the Company and, to
         the best knowledge and belief of the Company, no such change shall be
         pending and the Company shall have delivered to you on the Closing
         Date a certificate, dated such Closing Date, signed by the President,
         a Vice President or the Treasurer of the Company to such effect.

                  (G)     Compliance with Certain Provisions and Related
         Certificate.  The Company shall not have taken or suffered to be taken
         any action which it would have been prohibited from taking or
         suffering to be taken, and shall not have omitted or permitted the
         omission of any action which it would have been required to take or
         cause to be taken, if promissory notes in the forms of Exhibits A and
         B had at all times since the date of this agreement been binding and
         effective instruments; and the Company shall have delivered to you on
         the Closing Date a certificate, dated such Closing Date, signed by the
         President, a Vice President or the Treasurer of the Company, to such
         effect.

                  (H)     Proceedings and Documents.  All proceedings to be
         taken in connection with the transactions contemplated by this
         agreement and all documents incident to such transactions shall be
         satisfactory in form and substance to you and your special counsel;
         and you shall have received all documents which you and your special
         counsel may reasonably have requested in connection with such
         transactions, including copies of records of all corporate proceedings
         in connection with such





                                      -19-
<PAGE>   20

Stepan Company                                                  Loan Agreement


         transactions, and compliance with the conditions set forth in this 
         section 4, satisfactory in form and substance to you and your  
         special counsel.

             Section 5.     Use of Proceeds;.

         The Company will use the proceeds derived by it from the $40,000,000
aggregate principal amount of the loans obtained by the Company under this
agreement and the agreements similar hereto to repay $40,000,000 aggregate
principal amount of outstanding indebtedness of the Company.

             Section 6.     Method and Place of Payment of Principal, Premium
and Interest;.

         Notwithstanding anything to the contrary in this agreement or the
Notes, in the case of any Note owned by you or your nominee or owned by any
other institutional holder who has given written notice to the Company
requesting that the provisions of this section shall apply, the Company will
promptly and punctually pay when due the principal thereof and premium, if any,
and interest thereon, without any presentment thereof directly to you or such
nominee or subsequent holder at your address set forth in Schedule I or at such
other address as you or such subsequent holder may from time to time designate
in writing to the Company or, if a bank account is designated for you on
Schedule I hereto or in any written notice to the Company from you or any such
subsequent holder, the Company will make such payments in immediately available
funds to such bank account before 12:00 Noon, New York time, marked for
attention as indicated, or in such other manner or to such other account of
yours or such holders in any bank in the United States as you or any such
subsequent holder may from time to time direct in writing.  The holder of any
Notes to which this paragraph applies agrees that in the event it shall sell or
transfer any such Notes (i) it will, prior to the delivery of such Notes
(unless it has already done so), make a notation thereon of all principal, if
any, prepaid on such Notes and will also note thereon the date to which
interest has been paid on such Notes, and (ii) it will promptly notify the
Company of the name and address of the transferee of any Notes so transferred.
With respect to Notes to which this paragraph applies, the Company shall be
entitled to presume conclusively that the original or such subsequent
institutional holder as shall have requested the provisions hereof to apply to
its Notes remains the holder of such Notes until (y) the Company shall have
received notice of transfer of such Notes, and of the name and address of the
transferee, or (z) such Notes shall have been presented to the Company as
evidence of the transfer.  Payments made in accordance with this Section 6
shall relieve the Company from all liability to make such payments.

             Section 7.     Statements, Reports and Certificates to be
Delivered by the Company;.





                                      -20-
<PAGE>   21

Stepan Company                                                 Loan Agreement




         From the date of this agreement to the date on which you first acquire
any Note under this agreement, and thereafter the Company will deliver to you,
so long as you are the holder of any Note, and to each other institutional
holder of then outstanding Notes (in duplicate if so requested) the following:

                  (A)     Quarterly Financial Statements.  As soon as
         reasonably possible, and in any event within 60 days after the close
         of each of the first three fiscal quarters of the Company, (1) the
         balance sheet of the Company as of the end of such quarter, setting
         forth in comparative form the corresponding figures for the
         corresponding quarter of the preceding fiscal year, and (2) the
         statements of income, stockholders' equity and cash flows of the
         Company for such quarter and for the portion of the fiscal year ended
         with such quarter, setting forth in comparative form the corresponding
         figures for the corresponding periods of the preceding fiscal year,
         all in reasonable detail (and prepared on a consolidated basis under
         the circumstances set forth in the first grammatical paragraph
         following paragraph (G) of this section 7) and certified as complete
         and correct by a principal financial officer of the Company, subject
         to year-end audit.

                  (B)     Annual Reports and Financial Statements.  As soon as
         reasonably possible, and in any event within 90 days after the close
         of each fiscal year of the Company, (1) the balance sheet of the
         Company as of the end of such fiscal year, setting forth in
         comparative form the corresponding figures as of the end of the
         preceding fiscal year, and (2) the statements of income, stockholders'
         equity and cash flows of the Company for such fiscal year, setting
         forth in comparative form the corresponding figures for the preceding
         fiscal year.  Such balance sheet and statements shall be prepared in
         reasonable detail and in accordance with good accounting practice and
         shall be prepared on a consolidated basis under the circumstances set
         forth in the first grammatical paragraph following paragraph (G) of
         this section 7; and such balance sheets and statements shall be
         accompanied by an opinion of independent public accountants of
         recognized national standing selected by the Company, which opinion
         shall state that such financial statements were prepared in accordance
         with generally accepted accounting principles.  In addition, such
         accountants will furnish to you a letter stating that in making their
         examination of such financial statements nothing came to their
         attention which caused them to believe that there was any default by
         the Company in the performance or observance of any covenant,
         condition or agreement of the Company contained in sections 8 or 9 of
         the Notes insofar as such covenants, conditions or agreements pertain
         to accounting matters, provided that if in the course of their regular
         auditing procedure such accountants become aware of any other type of
         default, they shall disclose the same but such accountants shall have
         no responsibility for ascertaining the existence





                                      -21-
<PAGE>   22

Stepan Company                                                 Loan Agreement



         of any such default.  The Company agrees to supply you promptly with a
         copy of any letter, certificate or other writing supplied by its
         independent public accountants to any other person pertaining to
         whether such accountants have cause to believe that there has been any
         default by the Company under any other agreement or evidence of
         indebtedness.

                  (C)     Certificate as to Certain Financial Information.
         Within 90 days after the close of each fiscal year of the Company, and
         in any event not later than the time of delivery of the statements
         furnished pursuant to paragraph (B) of this section 7, a certificate
         signed by the principal financial officer of the Company setting forth
         (i) the aggregate amount, as of the end of such fiscal year, permitted
         to be used for dividends or distributions on any shares of the capital
         stock of the Company, or for the redemption, purchase, retirement or
         other acquisition of any shares of the capital stock of the Company,
         pursuant to the provisions of paragraph (F) of section 9 of the Notes;
         (ii) a statement of the rentals paid during such year by the Company
         and any restricted subsidiaries showing (A) all rentals so paid and
         (B) all rentals so paid under leases of the type described in
         paragraph (K) of section 9 of the Notes; (iii) an analysis of changes
         in consolidated current assets, consolidated net current assets and
         consolidated tangible net worth of the Company and any restricted
         subsidiaries from the corresponding figures as of the end of the
         preceding fiscal year; (iv) a statement of the amount of additional
         unsecured funded indebtedness which the Company is permitted to incur
         as of the end of such fiscal year pursuant to the provisions of
         paragraph (A) of section 9 of the Notes; and (v) a statement
         evidencing that the Company is in compliance with clause (3) of said
         paragraph (A); (vi) a statement setting forth the aggregate fair
         market value of all properties or assets sold, leased, transferred or
         disposed of by the Company and its restricted subsidiaries, other than
         in the ordinary course of business, during the same fiscal year of the
         Company, and an itemization describing each such property or asset
         having a fair market value equal to or greater than $250,000; and
         (vii) a listing of all insurance maintained by the Company and its
         subsidiaries in compliance with the provisions of paragraph (E) of
         section 8 of the Notes; together with a brief description, including
         (where applicable) all necessary computations, of the manner in which
         the foregoing were determined.

                  (D)     Compliance Certificate.  Within 90 days after the
         close of each fiscal year of the Company, and in any event not later
         than the time of delivery of the statements furnished pursuant to
         paragraph (B) of this section 7, a certificate, signed by the
         President or a Vice President and the Treasurer or an Assistant
         Treasurer of the Company, stating that a review of the activities of
         the Company and any subsidiaries during such fiscal year has been made
         under their supervision with a view to determining whether during such
         fiscal year the Company and such





                                      -22-
<PAGE>   23

Stepan Company                                                Loan Agreement



         subsidiaries had kept, observed, performed and fulfilled all of their
         respective obligations under this agreement and the Notes, and either
         (1) stating that to their best knowledge and belief the Company and
         such subsidiaries have during such fiscal year kept, observed,
         performed and fulfilled each and every covenant and condition of this
         agreement and the Notes, or (2) if the Company and such subsidiaries
         shall not so have kept, observed, performed and fulfilled said
         covenants and conditions, specifying all such defaults and the nature
         and status thereof.

                  (E)     Special Reports of Accountants.  Promptly upon
         receipt thereof, a copy of all financial statements which are
         accompanied by an opinion of the Company's independent public
         accountants and prepared in connection with any special audit of the
         Company's books or the books of any subsidiary by such accountants.

                  (F)     Other Reports and Statements.  Promptly upon the
         mailing to its stockholders of each annual report, proxy statement or
         other report or communication, a copy of each such report, proxy
         statement or communication; and promptly upon any filing by the
         Company with the Securities and Exchange Commission or any
         governmental agency or agencies substituted therefor, or with any
         national securities exchange, of any annual or periodic or special
         report or registration statement, a copy of such report or statement.

                  (G)     Additional Information.  Such other data and
         information as from time to time may be reasonably requested by you or
         any such institutional holder.

         If, and so long as, the Company has (i) one or more restricted
subsidiaries, the financial statements referred to in paragraphs (A) and (B) of
this section 7 shall be on a consolidated basis prepared in accordance with
good accounting practice, or (ii) one or more unrestricted subsidiaries, the
Company shall deliver to you or any such institutional holder, promptly after
receipt thereof, copies of balance sheets and income and surplus statements of
each such subsidiary which are not included in the financial statements
furnished pursuant to paragraph (B) of this section 7, in the form delivered to
the Company for the fiscal year of each such subsidiary.

         For the purpose of the preceding paragraph the Company's French
subsidiary, Stepan Europe S.A., shall be included in the consolidated financial
statements as though it were a restricted subsidiary but the Company shall also
furnish separate financial statements for said French subsidiary.

         The Company will furnish, at such address as may be designated by you
or any such institutional holder, and within the applicable time specified in
this section 7, one additional





                                      -23-
<PAGE>   24

Stepan Company                                                  Loan Agreement



copy of each of the financial statements, certificates, statements and reports
which the Company is required to furnish pursuant to this section 7.

         In the event that any indebtedness of the Company is declared due and
payable before its expressed maturity, or any holder of such indebtedness shall
have the right to declare such indebtedness due and payable before its
expressed maturity, because of the occurrence of any default or event of
default under such indebtedness, the Company will, immediately give you, so
long as you hold any of the Notes, or any such institutional holder written
notice of such declaration or right of declaration.

         You, so long as you shall hold any of the Notes, or any such
institutional holder or such person or persons as you or such holder may
designate, may visit and inspect any of the properties of the Company or its
subsidiaries (except for the Company's Natural Products facilities located at
its Maywood, New Jersey, plant), examine (either by your or such holder's
employees or by independent accountants employed by you or such holder) the
books of account of the Company and the books of account of its subsidiaries
and discuss the affairs, finances and accounts of the Company and its
subsidiaries with its and their officers, or with its and their independent
accountants, all at such reasonable times after notice to the Company and as
often as you or such holder may desire.  During any period in which an event of
default, or any event which, with the passage of time or giving of notice, or
both would become an event of default, has occurred and is continuing, the
Company shall pay or reimburse you or any such holder for expenses which you or
any such holder may incur in connection with any such visitation or inspection.

             Section 8.     Registered Notes;.

         The Company shall cause to be kept at its principal office a register
for the registration and transfer of the Notes (hereinafter called the "Note
Register"), and the Company will register or transfer or cause to be registered
or transferred, as hereinafter provided and under such reasonable regulations
as it may prescribe, any Note issued pursuant to this agreement.

         At any time and from time to time the registered holder of any Note
which has been duly registered as hereinabove provided may transfer such Note
upon surrender thereof at the principal office of the Company accompanied by a
written instrument of transfer duly executed by such registered holder or its
attorney authorized in writing.

         The person in whose name any Note shall be registered shall be deemed
and treated as the owner and holder thereof for all purposes of this agreement
and the Company shall not be affected by any notice or knowledge to the
contrary.  Payment of or on account of





                                      -24-
<PAGE>   25

Stepan Company                                                  Loan Agreement



the principal, premium, if any, and interest on any such Note shall be made to
or upon the written order of such registered holder.

             Section 9.     Payments of Certain Expenses by the Company;.

         Whether or not the loan herein contemplated shall be consummated, the
Company will pay all of your reasonable expenses arising in connection with the
transactions herein contemplated or in connection with any modification,
alteration or amendment of this agreement or the Notes, including, but not
limited to, your out-of-pocket expenses, printing expenses, expenses in
connection with the shipment to you or your agent of the Notes delivered to you
hereunder, expenses in connection with the shipment from and to you or your
agent upon any exchange of notes pursuant to section 2 of the Notes and the
reasonable charges and disbursements of your special counsel for all services
required of them incident to the transactions herein contemplated.  The Company
will also pay, and save you and all other holders of the Notes harmless from,
any and all liabilities with respect to, or resulting from any delay in paying,
(i) stamp or other taxes (including issuance taxes but excluding transfer taxes
and interest and penalties on such transfer taxes) which may be determined to
be payable in connection with the execution and delivery of this agreement or
the Notes or in connection with any modification, alteration or amendment of
this agreement or the Notes, (ii) any interest and penalties resulting from
non-payment or delay in payment of such expenses, charges, disbursements,
liabilities or taxes, and (iii) any income taxes in respect of any
reimbursement by the Company for any of such taxes, levies, interest or
penalties paid by you.  The obligations of the Company under this section 9
shall survive the payment of the Notes.

            Section 10.     Survival of Covenants; Successors and Assigns;.

         All covenants, agreements, representations and warranties made by the
Company in this agreement and in certificates or other documents delivered
pursuant to it shall survive the making by you of the loan contemplated by this
agreement and the execution and delivery of Notes to you, and shall continue in
full force and effect until all the Notes are paid in full and thereafter to
the extent provided by section 9 hereof.  All such covenants, agreements,
representations and warranties shall be binding upon any successors and assigns
of the Company.

            Section 11.     No Oral Change;.

         This agreement may not be changed orally, but only by an agreement in
writing and signed by the party against whom enforcement of any waiver, change,
modification or discharge is sought.





                                      -25-
<PAGE>   26

Stepan Company                                                  Loan Agreement



         The Company may not assign any of its rights hereunder without your
written consent, and you shall not be required to lend hereunder except to the
Company as presently existing.

            Section 12.     Communications and Notices;.

         Except as otherwise expressly provided in this agreement, all
communications and notices provided for in this agreement or under the Notes
shall be in writing and, if to the Company, mailed or delivered to it at its
office at Edens and Winnetka Avenue, Northfield, Illinois 60093, attention of
the Secretary, or at any other office that the Company may hereafter designate
by notice to you or, if to you, mailed or delivered to the address shown on
Schedule I to this agreement, or to such other address and for such attention
as you may from time to time designate to the Company in writing.

            Section 13.     Law Governing;.

         This agreement shall be construed in accordance with and governed by
the laws of the State of Illinois.

            Section 14.     Headings;.

         The headings of the sections and paragraphs of this agreement are
inserted for convenience only and shall not be deemed to constitute a part of
this agreement.





                                      -26-
<PAGE>   27

Stepan Company                                             Loan Agreement



         If you agree with the foregoing, please sign the enclosed copy of this
letter in the space provided below and return it to the Company, and this
letter shall upon execution become a binding agreement between you and the
Company in accordance with its terms.

                                    Very truly yours,

                                    STEPAN COMPANY



                                    By
                                        Its

The foregoing is hereby
accepted as of the date
first above written.

[VARIATION]


By______________________________
  Its





                                      -27-
<PAGE>   28

Stepan Company                                                  Loan Agreement



         If you agree with the foregoing, please sign the enclosed copy of this
letter in the space provided below and return it to the Company, and this
letter shall upon execution become a binding agreement between you and the
Company in accordance with its terms.

                                          Very truly yours,

                                          STEPAN COMPANY



                                          By
                                             Its
The foregoing is hereby
accepted as of the date
first above written.

AID ASSOCIATION FOR LUTHERANS


By______________________________
  Its





                                      -18-
<PAGE>   29

Stepan Company                                                  Loan Agreement



         If you agree with the foregoing, please sign the enclosed copy of this
letter in the space provided below and return it to the Company, and this
letter shall upon execution become a binding agreement between you and the
Company in accordance with its terms.

                                       Very truly yours,

                                       STEPAN COMPANY



                                       By
                                          Its
The foregoing is hereby
accepted as of the date
first above written.

THE NORTHWESTERN MUTUAL LIFE
  INSURANCE COMPANY


By______________________________
  Its





                                      -18-
<PAGE>   30

Stepan Company                                               Loan Agreement



         If you agree with the foregoing, please sign the enclosed copy of this
letter in the space provided below and return it to the Company, and this
letter shall upon execution become a binding agreement between you and the
Company in accordance with its terms.

                                        Very truly yours,

                                        STEPAN COMPANY



                                        By
                                           Its
The foregoing is hereby
accepted as of the date
first above written.

THE MUTUAL LIFE INSURANCE COMPANY
  OF NEW YORK


By______________________________
  Its





                                      -18-
<PAGE>   31




                                  PRINCIPAL AMOUNT OF      PRINCIPAL AMOUNT OF
                                   SERIES A NOTES            SERIES B NOTES
NAME AND ADDRESS OF LENDER         TO BE PURCHASED           TO BE PURCHASED
                                                      
AID ASSOCIATION FOR LUTHERANS         $3,750,000               $11,250,000 
4321 North Ballard Road                           
Appleton, Wisconsin  54919
Attention:  Investment Department

Payments

All payments on or in respect of the 
Notes to be by bank wire transfer of
Federal or other immediately available 
funds (identifying each payment as 
principal, premium or interest, as the 
case may be, with respect to either 
(a) the 7.69% Promissory Notes, Series A,
due June 30, 2005 of Stepan Company, 
Private Placement Number 858586 D* 8, or
(b) the 7.77% Promissory Notes, Series B, 
due June 30, 2010 of Stepan Company, 
Private Placement Number 858586 D@ 6) to:

             Harris Trust and Savings Bank, Chicago
             ABA #071 000 288
             A/C #109-211-3
             Attn:  Trust Collection/P&I
Notices

All notices and communications, to be addressed 
as first provided above, except notices with 
respect to payments, and written confirmation 
of each such payment, addressed Attention:  
Investment Accounting.

    with a copy to:





                                     I-31
<PAGE>   32




    Harris Trust and Savings Bank
    Institutional Custody -5E
    111 West Monroe Street
    Chicago, Illinois  60690-0755

Name of Nominee in which Notes are to be issued:  None
Tax Identification No.:  39-0123480





                                     I-32
<PAGE>   33




                                  PRINCIPAL AMOUNT OF      PRINCIPAL AMOUNT OF
                                    SERIES A NOTES            SERIES B NOTES
NAME AND ADDRESS OF LENDER         TO BE PURCHASED            TO BE PURCHASED

THE NORTHWESTERN MUTUAL LIFE          $3,750,000                $11,250,000
  INSURANCE COMPANY                                    
720 East Wisconsin Avenue
Milwaukee, Wisconsin  53202
Attention:  Securities Department

Payments

All payments on or in respect of the Notes 
to be by bank wire transfer of Federal or 
other immediately available funds 
(identifying each payment as principal, 
premium or interest, as the case may be, with
respect to either (a) the 7.69% Promissory 
Notes, Series A, due June 30, 2005 of Stepan 
Company, Private Placement Number 858586 D* 8, 
or (b) the 7.77% Promissory Notes, Series B, 
due June 30, 2010 of Stepan Company, Private 
Placement Number 858586 D@ 6) to:

           Bankers Trust Company
           Insurance Unit, Fourth Floor
           16 Wall Street
           New York, New York  10015
           Attention:  Money Transfer Department

           for credit to The Northwestern
           Mutual Life Insurance Company's
           Account No. 000-00-027

Notices





                                     I-33
<PAGE>   34





All notices and communications, to be 
addressed as first provided above, except
notices with respect to payments, and 
written confirmation of each such payment, 
addressed Attention:  Treasurer's
Department.

Name of Nominee in which Notes are to be issued:  None
Tax Identification No.:  39-0509570





                                     I-34
<PAGE>   35




                              PRINCIPAL AMOUNT OF       PRINCIPAL AMOUNT OF
                                 SERIES A NOTES            SERIES B NOTES
NAME AND ADDRESS OF LENDER      TO BE PURCHASED           TO BE PURCHASED

THE MUTUAL LIFE INSURANCE          $2,500,000               $7,500,000
  COMPANY OF NEW YORK                         
1740 Broadway
New York, New York  10019
Attention:  MONY Capital Management 
            Unit

Payments

    All payments on or in respect of the 
    Notes to be by bank wire transfer of
    Federal or other immediately available 
    funds (identifying each payment as 
    principal, premium or interest, as the 
    case may be, with respect to either 
    (a) the 7.69% Promissory Notes, Series A,
    due June 30, 2005 of Stepan Company, 
    Private Placement Number 858586 D* 8, or
    (b) the 7.77% Promissory Notes, Series B, 
    due June 30, 2010 of Stepan Company, 
    Private Placement Number 858586 D@ 6) to:

             Chemical Bank
             ABA #021000128

             for credit to The Mutual Life
             Insurance Company of New York,
             Mutual of New York Security
             Remittance Account No. 321-023803

Notices

    All notices of payment, on or in respect
    of the Notes to:





                                     I-35
<PAGE>   36




             Telecopy Confirms and Notices:

                 (201) 907-6979

             Attention:  Securities Custody





                                     I-36
<PAGE>   37




             Mailing Confirms and Notices:

                 Glenpointe Marketing & Operations
                   Center - MONY
                 Glenpointe Center West
                 500 Frank W. Burr Blvd.
                 Teaneck, NJ  07666-6888
                 Attention:  Securities Custody

All notices and communications other than 
those in respect to payments to be
addressed as first provided above.

Name of Nominee in which Notes are to be issued:  None

Tax Identification No.:  13-1632487





                                     I-37
<PAGE>   38




No. RA-
PPN:  858586 D* 8
                                 STEPAN COMPANY

               7.69% Promissory Note, Series A, Due June 30, 2005
$______________                                         ______________, ______

         STEPAN COMPANY, a corporation duly organized and existing under the
laws of the State of Delaware (hereinafter called the "Company"), for value
received, hereby promises to pay to



                    or registered assigns, on June 30, 2005
                            the principal amount of



to the extent not theretofore prepaid pursuant to the terms of this Note, in
such coin or currency of the United States of America as at the time of payment
shall be legal tender for the payment of public and private debts, at the
principal office of the Company in Northfield, Illinois, and to pay interest
(computed on the basis of a 360-day year of twelve 30-day months) on the unpaid
principal amount hereof from the date hereof, in like coin or currency, at such
office, semi-annually on the thirtieth day of June and December in each year,
at the rate of 7.69% per annum until the unpaid principal amount hereof shall
have become due and payable and at the default rate thereafter and, so far as
may be lawful, to pay interest on any overdue installment of interest at the
default rate at such principal office in like coin or currency.

             Section 1.     The Notes;.  This Note is one of a number of
promissory notes (hereinafter called the "Notes"), in the aggregate principal
amount of $40,000,000, consisting of $10,000,000 aggregate principal amount of
7.69% Promissory Notes, Series A (the "Series A Notes"), of which this Note is
one, and $30,000,000 aggregate principal amount of 7.77% Promissory Notes,
Series B (the "Series B Notes"), all issued or to be issued pursuant to
separate and several loan agreements each dated as of June 15, 1995 entered
into by the Company with the lenders therein referred to.





                                     A-38
<PAGE>   39




             Section 2.     Exchanges;.  The holder of this Series A Note, or
of any note or Notes substituted therefor pursuant to the provisions of this
section 2, may at its option, in person or by duly authorized attorney,
surrender the same for exchange at the principal office of the Company in
Northfield, Illinois accompanied by a written instrument of transfer duly
executed by the registered holder hereof and, within a reasonable time
thereafter and without expenses (other than transfer taxes, if any), receive in
exchange therefor one or more duly executed printed Note or Notes, each of the
same series, in the principal amount of $100,000 or any integral multiple of
$10,000 in excess thereof, dated as of the date to which interest has been paid
on the Note or Notes so surrendered or, if no interest has yet been so paid,
then dated the date hereof, and payable to such person or persons as may be
designated by such holder, for the same aggregate principal amount as the then
unpaid principal amount of the Note or Notes so surrendered.  The Company
covenants and agrees to take and cause to be taken all action necessary to
effect such exchanges.

             Section 3.     Payments to Registered Holder;.  The person in
whose name this Note is registered shall be deemed to be and treated as the
owner and holder hereof for all purposes and payment of or on account of the
principal, premium, if any or interest hereon shall be made to or upon the
written order of the registered holder.

             Section 4.     Prepayment of Notes;.

          (A)    Required Prepayments;.  In addition to paying the entire
outstanding principal amount and the interest due on the Series A Notes on the
maturity date thereof, on June 30 in each year, commencing June 30, 2001 and
ending June 30, 2004 (herein called "fixed payment dates") both inclusive the
Company will prepay and apply and there shall become due and payable the sum of
$2,000,000 on the principal indebtedness evidenced by the Series A Notes.  No
premium shall be payable in connection with any required prepayment made
pursuant to this paragraph 4(A).  Any payment of less than all of the Series A
Notes pursuant to the provisions of paragraphs (B), (C) or (D) of this section
4 shall not relieve the Company of the obligation to make the required payments
or prepayments on the Series A Notes in accordance with the terms of this
paragraph 4(A); provided, however, that if and to the extent that any
prepayment of Series A Notes pursuant to the provisions of paragraph 4(D) below
does not result in the prepayment of all of the Series A Notes then
outstanding, the remaining prepayments required to be made pursuant to this
paragraph 4(A) shall, in each case, be reduced in the same proportion that the
principal amount of Series A Notes outstanding immediately prior to such
prepayment pursuant to paragraph 4(D) is reduced by such prepayment.

          (B)    Optional Prepayments without Premium;.





                                     A-39
<PAGE>   40




                 (x) On a Fixed Payment Date.  Upon compliance with section 6
         the Company shall have the privilege (which shall be non cumulative)
         of prepaying outstanding Series A Notes on any fixed payment date in
         units of $100,000 or an integral multiple of $10,000 in excess
         thereof, by payments of the principal amount of the Series A Notes to
         be prepaid and accrued interest thereon to the date of such payment
         and without premium; provided however that (i) the principal amount of
         Series A Notes prepaid pursuant to this subparagraph 4(B)(x) on any
         one fixed payment date shall not exceed the principal amount of the
         Series A Notes required to be prepaid pursuant to paragraph 4(A) on
         such fixed payment date, (ii) the aggregate amount of all Series A
         Notes prepaid pursuant to this subparagraph 4(B)(x) shall not exceed
         an amount equal to the excess, if any, of $3,333,333 over the
         aggregate amount of all Series A Notes prepaid pursuant to
         subparagraph 4(B)(y), and (iii) the Company shall have, concurrently
         with such prepayment, prepaid the same pro rata portion of the Series
         B Notes pursuant to the provisions of subparagraph 4(B)(x) of said
         Series B Notes.

                 (y)      Upon Sale of Phthalic Anhydride Assets.  In the event
         that the Company shall have sold 50% or more of the assets relating to
         its phthalic anhydride operations, the Company shall have the
         privilege, upon compliance with section 6, of applying all or any
         portion of the net cash proceeds from such sale to the prepayment of
         outstanding Series A Notes (but if less than all of the Series A Notes
         are then to be prepaid pursuant to this subparagraph 4(A)(y), then in
         units of $100,000 or an integral multiple of $10,000 in excess
         thereof) by payment of the principal amount of the Series A Notes to
         be prepaid and accrued interest thereon to the date of such prepayment
         and without premium; provided, however, that (a) such prepayment shall
         occur on or prior to June 30, 1996, (b) the Company shall have,
         concurrently with such prepayment, prepaid the same pro rata portion
         of the Series B Notes pursuant to the provisions of subparagraph
         4(B)(y) of said Series B Notes and (c) notice of any prepayment
         pursuant to this subparagraph 4(B)(y) shall be made within 30 days of
         such sale.

          (C)    Optional Prepayment with Premium;.  In addition to the
prepayments required by paragraph 4(A) and the rights of prepayment set forth
in 4(B) the Company shall have the privilege at any time and from time to time
of prepaying the outstanding Series A Notes either in whole or in part (but if
in part then in units of $1,000,000 or an integral multiple of $10,000 in
excess thereof) by payment of the principal amount of the Series A Notes or the
portion thereof to be prepaid and accrued interest thereon to the date of such
prepayment together with the make whole premium amount; provided that the
Company shall have, concurrently with such prepayment, prepaid the same pro
rata portion of the Series B Notes pursuant to the provisions of paragraph 4(C)
of said Series B Notes.





                                     A-40
<PAGE>   41




         For purposes of this paragraph 4(C) and section 12 below:

                 The term "make whole premium amount" shall mean, to the extent
         that the adjusted treasury reinvestment yield at such time is lower
         than 7.69% per annum, the excess of (a) the present value of the
         remaining scheduled principal and interest payments and prepayments to
         become due on that portion of the Series A Notes to be prepaid, taking
         into account the required application of such prepayment to the
         scheduled payments and prepayments on the Series A Notes, all
         determined by discounting such payments and prepayments at a rate that
         is equal to the adjusted treasury reinvestment yield, over (b) the
         aggregate principal amount of the Series A Notes plus accrued interest
         to be paid or prepaid.  To the extent that the adjusted treasury
         reinvestment yield at the time of such prepayment or payment is equal
         to or higher than 7.69% per annum, the make whole premium amount is
         zero.

                 The term "adjusted treasury reinvestment yield" shall mean, as
         of the date of any determination thereof, the sum of (i) the then
         applicable treasury reinvestment yield, plus (ii) 50 basis points.

                 The term "treasury reinvestment yield" shall be (a) the yield
         reported on the third business day preceding the date of prepayment or
         payment on page "USD" of the Bloomberg Financial Markets Service
         Screen (or, if not available, any other nationally recognized trading
         screen reporting on-line intraday trading in United States government
         securities) at 10:00 A.M. (New York time) for United States government
         securities having a maturity corresponding to the remaining weighted
         average life to maturity of the principal of the Series A Notes as of
         the date of such prepayment or payment, as the case may be, rounded to
         the nearest month, or (b) in the event that no such nationally
         recognized trading screen reporting on-line trading in United States
         government securities is available, "treasury reinvestment yield"
         shall mean the arithmetic mean of the yields published in the weekly
         statistical release designated H.15(519) of the Federal Reserve System
         under the caption "U.S. Government Securities-Treasury Constant
         Maturities" (the "statistical release") or if the statistical release
         is not published, the arithmetic mean of such reasonably comparable
         index as may be designated by the holders of at least 51% in aggregate
         principal amount of the outstanding Series A Notes, for the maturity
         corresponding to the remaining weighted average life to maturity of
         the Series A Notes as of the date of such prepayment or payment, as
         the case may be, rounded to the nearest month.  If no maturity exactly
         corresponds to such rounded weighted average life to maturity, the
         yields for the two most closely corresponding published maturities
         shall be calculated pursuant to the immediately preceding sentence and
         the treasury reinvestment yield shall be interpolated from such yields
         on a straight-line basis,





                                     A-41
<PAGE>   42




         rounding in each of such relevant periods to the nearest month.  For
         purposes of calculating the treasury reinvestment yield, the most
         recent statistical release published prior to the third business day
         preceding the date of prepayment or payment shall be used.

                 The term "weighted average life to maturity" shall mean as at
         the time of the determination thereof the number of years obtained by
         dividing the then remaining dollar-years of the Series A Notes by the
         aggregate amount of all remaining scheduled principal and interest
         payments (including the payments at final maturity) to be made on the
         Series A Notes.  The term "remaining dollar-years" of the Series A
         Notes means the product obtained by (1) multiplying (A) the amount of
         each of the remaining scheduled principal and interest payments
         (including the payments at final maturity), by (B) the number of years
         (calculated at the nearest one-twelfth) which will elapse between the
         date of determination of the weighted average life to maturity of the
         Series A Notes and the date of required payment is due and (2)
         totaling all the products obtained in (1).

          (D)    Prepayment on Failure of Holders to Consent to Change of
Control;.  In the event that the Company shall request the holders of the
Series A Notes in writing to consent to a change of control and the holder or
holders of any Series A Notes shall, within 30 days following the receipt of
such a request, have refused in writing to consent to such a change of control,
then the Company may, at any time within 5 days after the earlier of (x) the
receipt of a response to such request from the holder or holders of 100% of the
outstanding Series A Notes, or (y) the expiration of such 30 day period, and
upon not less than three business days prior written notice, prepay all (but
not less than all) Series A Notes held by each holder which has refused to
consent to such change of control by prepayment of the principal amount thereof
and accrued interest thereon to the date of such prepayment.  Any holder which
has failed to respond to such request prior to the expiration of such 30 day
period shall, for purposes hereof, be deemed to have consented to such change
of control.  Any request by the Company made pursuant to this paragraph 4(D)
shall set forth (i) a summary of the transaction or transactions causing the
change of control, (ii) the name and address of the "person" described in
clause (i) or (ii) of the definition of the term "change of control" set forth
below, (iii) such financial or other information as would be reasonably
necessary for each holder to make an informed decision with respect to such
request, and (iv) a statement as to whether, at the time of such change of
control and after giving effect thereto, either any event of default or any
event which, with the passage of time or giving of notice, or both, would
become an event of default, shall have occurred and be continuing.  In the
event that the Company shall receive a response to its request from any holder
of a Series A Note, it will promptly advise, in writing, all other holders of
Series A Notes of such response and the source and content thereof.





                                     A-42
<PAGE>   43




         For purposes of this paragraph 4(D) and paragraphs 8(K) and 12(H)
below, the term "change of control" shall mean and shall be deemed to have
occurred, (i) upon the acquisition by any "person" (as that term is used in
Sections 13(d) and 14(d)(2) of the Securities Exchange Act of 1934, as amended)
of beneficial ownership, direct or indirect, of more than 50% of the
outstanding voting stock of the Company, or (ii) upon the acquisition of the
Company, or all or substantially all of its assets by, or the combination of
the Company, or all or substantially all of its assets with, another "person"
(as defined above), unless the acquiring or surviving "person" shall be a
corporation more than 50% of the outstanding voting stock of which is owned,
immediately after such acquisition or combination, by the owners of the voting
stock of the Company immediately prior to such acquisition or combination.  The
term "acquisition" shall mean the earlier to occur of (x) the actual possession
of the subject voting stock or assets, and (y) the consummation of any
transaction or series of related transactions which, with the passage of time,
will give such person the actual possession thereof.  The term "voting stock"
shall mean securities of any class or classes, the holders of which are
ordinarily, in the absence of contingencies, entitled to elect a majority of
the corporate directors (or persons performing similar functions).

             Section 5.     Partial Prepayments to be Pro Rata where More than
One Series A Note Outstanding;.  In the event of any prepayment of less than
all of the outstanding Series A Notes pursuant to the provisions of paragraphs
4(A), 4(B) or 4(C), at a time when more than one Series A Note is outstanding,
the principal amount of the Series A Notes so to be prepaid shall be allocated
among the respective Series A Notes and holders thereof so that the principal
amount to be prepaid to each holder pursuant to any section hereof shall bear
the same ratio to the aggregate principal amount then to be prepaid pursuant to
such section as the principal amount of Series A Notes then held by such holder
bears to the aggregate principal amount of all Series A Notes then outstanding,
except that if upon any allocation on such basis the amounts so to be prepaid
to any such holder pursuant to any section hereof would not be an exact
multiple of $1,000, then additional or lesser amounts not exceeding $1,000 may
be allocated by the Company to such holder, or if the amount so to be prepaid
to any such holder pursuant to such section would be less than $1,000, then no
amount need be allocated to such holder, in each such case so long as
allocations of prepayments among the respective Notes and holders thereof shall
be appropriate to maintain, from time to time, through successive partial
prepayments as nearly as practicable the ratio above provided.  Prepayments of
Series A Notes pursuant to the provisions of paragraph 4(D) shall be allocated
as therein provided.

             Section 6.     Notice of Prepayment and Other Notices;.

                    (A)     Prepayment Notice;.  If the Company shall elect to
prepay this Note or any portion hereof pursuant to paragraph 4(B) or 4(C), the
Company shall give notice of such





                                     A-43
<PAGE>   44




prepayment in writing not less than 30 nor more than 60 days prior to the date
fixed for such prepayment, specifying (i) the prepayment date, (ii) the
principal amount to be prepaid on this Note and on all the other outstanding
Notes, (iii) an estimate of the make whole premium amount, if any, applicable
to the prepayment of this Note, and (iv) accrued interest applicable to such
prepayment.  A computation of the amount, if any, of any make whole premium
amount payable in connection with a prepayment of this Note shall be furnished
to the holder hereof as soon as practicable after determination of such premium
and, in all events, not less than three business days prior to the date of such
prepayment.

          (B)    Mailing of Notices;.  Such notice of prepayment, and all other
notices to be given to any holder of this Note, shall be sent by prepaid
overnight courier to the payee herein named, irrespective of whether the payee
is the holder of this Note; provided, however, that if any subsequent holder of
this Note shall have presented it to the Company for inspection at the office
of the Company maintained as provided in paragraph (A) of section 8, and shall
have delivered to the Company at such office a written notice of the
acquisition by such holder of this Note and designated in writing an address to
which notices in respect of this Note shall be mailed, such notices shall be
sent to such holder at such designated address instead of to the payee herein
named.  All notices to be given to any holder of this Note shall be deemed to
have been given only upon actual receipt thereof by such holder.  In the case
of a properly addressed notice, the Company shall not be required to determine
the authority of any person signing or initialing a confirmation of receipt.

             Section 7.     Notes Due and Interest Ceases on Prepayment Date;
Evidence of Partial Prepayment; New Notes.  Upon notice of prepayment being
given as in this Note provided, the Company shall be obligated to prepay, at
the principal office of the Company in Northfield, Illinois, on the date
specified in such notice, this Note or such portion hereof to be prepaid as is
specified in such notice at the principal amount thereof, plus accrued interest
thereon to the date so specified and the applicable make whole premium amount,
if any.  If this Note is designated for prepayment in whole or in part as
hereinbefore provided, then this Note or such portion hereof as is designated
for prepayment, as the case may be, shall cease to bear interest on and after
the date fixed for such prepayment provided such prepayment is duly made.  Upon
the due prepayment in part of this Note, the holder hereof shall surrender it
to the Company, which shall thereupon issue and deliver, without charge to such
holder, a new Note for the unpaid balance of this Note; provided, however, that
instead of surrendering this Note as aforesaid, the holder of this Note may, at
its option, present this Note to the Company for notation hereon of the payment
of the portion of the principal of this Note so prepaid and this Note shall
thereupon be returned to or on the order of the holder hereof.  To the extent
that any of the Notes are fully prepaid they shall be cancelled and may not be
redelivered.  Any new Note made and delivered in accordance





                                     A-44
<PAGE>   45




with the provisions of this section 7 shall be dated as of the date to which
interest has been paid on the indebtedness to be evidenced by such new Note, or
if no interest has yet been so paid, then dated the date hereof.

             Section 8.     Affirmative Covenants;.  The Company covenants and
agrees that so long as this Note shall be outstanding:

                  (A)     Maintenance of Office or Agency;.  The Company will
         maintain an office in Northfield, Illinois or at such other place
         hereafter designated in writing by the Company by notice to the holder
         of this Note, where notices, presentations and demands to or upon the
         Company in respect of this Note may be given or made.

                  (B)     Payment of Principal, Premium and Interest;.  The
         Company will punctually pay or cause to be paid the principal and
         interest, and premium, if any, to become due in respect of all the
         Notes according to the terms thereof.

                  (C)     Maintenance of Corporate Existence;.  The Company
         will at all times do or cause to be done all things necessary to
         maintain, preserve and renew its corporate existence and the corporate
         existence of each of its subsidiaries and its and their rights,
         patents and franchises, and comply with and cause each subsidiary to
         comply with, all related laws applicable to the Company or its
         subsidiaries in such manner as counsel shall advise; provided,
         however, that nothing contained in this paragraph (C) shall (1)
         require the Company or any subsidiary to comply with any law so long
         as the validity or applicability thereof shall be contested in good
         faith, (2) require the Company or any subsidiary to maintain, preserve
         or renew any right or franchise not necessary or desirable in the
         conduct of the business of the Company or of such subsidiary, as the
         case may be, (3) prevent the termination of the corporate existence of
         any subsidiary if in the opinion of the Board of Directors of the
         Company such termination is in the best interest of the Company and
         not disadvantageous to the holders of the Notes, or (4) prevent any
         transaction by a subsidiary permitted by the provisions of clause (4)
         or (5) of paragraph (B) of section 9, or any transaction by the
         Company permitted by the provisions of paragraph (I) of section 9.

                  (D)     Properties;.  The Company will, in so far as it is
         not prevented by causes beyond its control, at all times maintain,
         preserve, protect and keep, or cause to be maintained, preserved,
         protected and kept, its property and the property of its subsidiaries
         in good repair, working order and condition and, from time to time,
         will, in so far as it is not prevented by causes beyond its control,
         make or cause to be made all repairs, renewals, replacements,
         extensions, additions, betterments and





                                     A-45
<PAGE>   46




         improvements to its property and the property of its subsidiaries as
         are needful and proper, so that the business carried on in connection
         therewith may be conducted properly and efficiently at all times;
         provided, however, that nothing in this paragraph (D) shall prevent
         the Company or any subsidiary from selling, abandoning or otherwise
         disposing of any property if such property is no longer of use in the
         business of the Company or the subsidiary owning the same, and if, in
         the opinion of the Company, such sale, abandonment or other
         disposition is in the best interest of the Company or such subsidiary
         and not disadvantageous to the holders of the Notes.

                  (E)     Insurance;.  The Company will provide or cause to be
         provided for itself and its subsidiaries such insurance against loss
         or damage of the kinds customarily insured against by corporations
         similarly situated, with reputable insurers, in such amounts and by
         such methods as shall be adequate, and will at all times maintain or
         cause to be maintained in full force and effect, with reputable
         insurers and in such amounts and by such methods as shall be adequate,
         public liability insurance against loss or damage to it or its
         subsidiaries for bodily injury or death in or about any premises
         occupied by it or its subsidiaries, and liability insurance against
         loss or damage to it or its subsidiaries for bodily injury or death or
         injury to property occurring by reason of the operation by it or its
         subsidiaries of any motor vehicle.

                  (F)     Payment of Taxes, Assessments, Etc;.  The Company
         will duly pay and discharge, and cause each of its subsidiaries to
         duly pay and discharge, as the same become due and payable, all taxes,
         assessments and governmental and other charges and claims levied or
         imposed, or which if unpaid might become a lien or charge, upon the
         franchises, assets, earnings or business of the Company or such
         subsidiary, as the case may be, as well as all lawful claims for
         labor, materials and supplies which, if unpaid, might become a lien or
         charge upon such properties or any part thereof; provided, however,
         that nothing contained in this paragraph (F) shall require the Company
         or any such subsidiary to pay any such tax, assessment, charge or
         claim so long as the Company or such subsidiary in good faith shall
         contest the validity thereof and shall set aside on its books adequate
         reserves with respect thereto.

                  (G)     Payment of Indebtedness;.  The Company will, and will
         cause each of its subsidiaries to, pay punctually and discharge when
         due, or renew or extend (except as otherwise prohibited by this Note),
         any indebtedness heretofore or hereafter incurred by it or any of
         them, as the case may be, and discharge, perform and observe the
         covenants, provisions and conditions to be performed, discharged and
         observed on the part of the Company or such subsidiary, as the case
         may be, in connection therewith, or in connection with any agreement
         or other instrument





                                     A-46
<PAGE>   47




         relating thereto, or in connection with any mortgage, pledge, security
         interest or other lien existing at any time upon any of the property
         or assets of the Company or such subsidiary, as the case may be;
         provided, however, that nothing contained in this paragraph (G) shall
         require the Company or any such subsidiary to pay or discharge or
         renew or extend any such indebtedness or to discharge, perform or
         observe any such covenants, provisions and conditions so long as the
         Company or such subsidiary in good faith shall contest any claim which
         may be asserted against it in respect of any such indebtedness or of
         any such covenants, provisions and conditions and shall set aside on
         its books adequate reserves with respect thereto.

                  (H)     Keeping of Books;.  The Company will, and will cause
         each subsidiary to, (1) at all times keep proper books of record and
         account in which full, true and correct entries will be made of its
         transactions in accordance with good accounting practice; and (2) set
         aside on its books from its earnings, for the fiscal year ending
         December 31, 1995, and each fiscal year thereafter, reserves for
         depreciation, obsolescence and/or amortization of its properties
         during such year and all other proper reserves which, in accordance
         with good accounting practice, should be set aside from such earnings
         in connection with its business.

                  (I)     Compliance with Law;.  The Company will, and will
         cause each of its subsidiaries to, use its best efforts to comply with
         all applicable statutes, regulations, orders and restrictions of the
         United States of America, foreign countries, states, provinces,
         municipalities and agencies and instrumentalities of the foregoing, in
         respect of the conduct of its respective business and the ownership of
         its respective property (including, without limitation, applicable
         statutes, regulations, orders and restrictions relating to equal
         employment opportunities and environmental standards and controls),
         except such as are being contested in good faith or with respect to
         which compliance shall have been waived or extended by the applicable
         governmental authority.

                  (J)     Notice of Default;.  If any one or more of the events
         of default specified in section 12 shall occur, or if the holder of
         any Note shall demand payment or take  any other action permitted upon
         the occurrence of any such event of default, the Company will at once
         give notice to all holders of the Notes, specifying the nature of the
         event of default or of such demand or other action, as the case may
         be.  In the event any indebtedness of the Company (other than the
         Notes) is declared due and payable before its expressed maturity
         because of the occurrence of an event of default thereunder, or under
         any instrument or agreement pursuant to which such indebtedness is
         issued or securing such indebtedness, the Company will at once give
         notice in writing of such happening to all holders of the Notes.





                                     A-47
<PAGE>   48




                  (K)     Notice of Change of Control;.  The Company will,
         within two business days of becoming aware of a change of control (as
         defined in paragraph 4(D)), give notice thereof to all holders of the
         Notes.

             Section 9.     Negative Covenants;.  The Company covenants and
agrees that so long as this Note shall be outstanding:

                  (A)     Limitations on Funded Indebtedness;.  The Company
         will not create, incur, issue, assume or become or be liable,
         contingently or otherwise, in respect of any funded indebtedness other
         than

                           (1)    funded indebtedness outstanding on June 15,
                 1995 and reflected on Schedule C to the loan agreements and
                 funded indebtedness represented by the Notes;

                           (2)    secured funded indebtedness incurred or
                 assumed subsequent to June 15, 1995 solely for the purpose of
                 financing the acquisition of property and secured only as
                 permitted under clauses (2), (3) and (4) of paragraph (C) of
                 this section 9, but only in an amount not exceeding the
                 maximum amount of additional unsecured funded indebtedness
                 which the Company could then incur under clause (3) of this
                 paragraph (A), provided that for purposes of this Note,
                 secured funded indebtedness shall not include indebtedness for
                 money borrowed by the Company against or secured by the cash
                 surrender value of life insurance maintained by the Company on
                 officers or directors of the Company, which indebtedness shall
                 constitute unsecured funded indebtedness for all purposes of
                 this Note;

                           (3)    unsecured funded indebtedness incurred or
                 assumed subsequent to June 15, 1995 if, and to the extent
                 that, immediately after giving effect thereto and the
                 application of the proceeds thereof, consolidated funded
                 indebtedness does not exceed an amount equal to 55% of
                 consolidated capitalization, it being understood that the test
                 of this clause (3) is one of incurrence only;

                           (4)    indebtedness taking the form of a guaranty of
                 indebtedness of any other person permitted by clause (3) of
                 paragraph (D) of this section 9, but only if, and to the
                 extent that, immediately after giving effect thereto, the
                 limitations set forth in clause (3) of this paragraph (A)
                 shall be satisfied, all such guaranties being treated as
                 funded indebtedness for the purpose of clause (3) of this
                 paragraph (A); and





                                     A-48
<PAGE>   49




                           (5)    funded indebtedness of the Company incurred
                 solely for the purpose of extending, renewing or refunding any
                 funded indebtedness of the Company then outstanding and
                 permitted by this paragraph (A), but only if, and to the
                 extent that, immediately after giving effect thereto, the
                 limitations set forth in clause (3) of this paragraph (A)
                 shall be satisfied.

                  (B)     Limitations on Restricted Subsidiaries;. The Company
will not cause, suffer or permit any restricted subsidiary to

                           (1)    create, incur, issue, assume or become or be
                 liable, contingently or otherwise, in respect of any
                 indebtedness except (a) indebtedness to the Company or to a
                 wholly-owned restricted subsidiary, (b) unsecured accounts
                 payable and other unsecured obligations (other than as a
                 result of borrowing) incurred in the ordinary course of
                 business of such subsidiary, and (c) indebtedness in addition
                 to that described in subclauses (a) and (b) above; provided
                 that the aggregate principal amount of all such indebtedness
                 permitted by this subclause (c) shall not at any time exceed
                 10% of consolidated capitalization of the Company and its
                 restricted subsidiaries; and provided further that the sum,
                 without duplication, of (x) the aggregate unpaid principal
                 amount of all such indebtedness permitted by this subclause
                 (c), (y) the aggregate unpaid principal amount of all
                 indebtedness of the Company secured pursuant to the provisions
                 of clauses (2), (3) and (4) of paragraph (C) of this section
                 9, and (z) the aggregate amount of liabilities of the Company
                 and its restricted subsidiaries secured by liens permitted
                 pursuant to the provisions of clause (11) of paragraph (C) of
                 this section (9), shall not at any time exceed 20% of
                 consolidated capitalization of the Company and its restricted
                 subsidiaries; or

                           (2)    issue or sell any shares of its capital stock
                 or securities convertible into such capital stock except (a)
                 issuance or sale of directors' qualifying shares, (b) issuance
                 or sale to the Company or to any wholly-owned restricted
                 subsidiary, and (c) issuance or sale of additional shares of
                 stock of any such subsidiary to any holders thereof entitled
                 to receive or purchase such additional shares through the
                 declaration of a stock dividend or through the exercise of
                 preemptive rights; or

                           (3)    sell, assign, transfer or otherwise dispose
                 of any shares of capital stock of any class of any other
                 restricted subsidiary, or any other security of, or any
                 indebtedness owing to it by, any other restricted subsidiary
                 (except in each case to the Company or to a wholly-owned
                 restricted subsidiary) unless





                                     A-49
<PAGE>   50




                 such sale, assignment, transfer or other disposition shall
                 meet all the conditions set forth in paragraph (G) of this
                 section 9 which would be applicable to a similar disposition
                 made by the Company; or

                           (4)    consolidate with or merge into any other
                 corporation or permit any other corporation to merge into it,
                 except a merger into or consolidation with (a) the Company,
                 (b) any wholly-owned restricted subsidiary or (c) any other
                 corporation if, immediately thereafter, (x) the surviving
                 corporation shall be a restricted subsidiary, (y) the Company
                 shall be in full compliance with all the terms and provisions
                 of the Notes, and (z) the surviving corporation would be
                 permitted to incur at least $1.00 of additional unsecured
                 funded indebtedness pursuant to the provisions of section
                 9(A)(3) hereof; or

                           (5)    sell, lease, transfer or otherwise dispose of
                 all or any substantial part of its property and assets except
                 (a) to the Company or any wholly-owned restricted subsidiary
                 or (b) in the case of a sale to any other person, in
                 compliance with all applicable requirements of paragraphs (G)
                 and (I) of this section 9; or

                           (6)    make any investments or commitments to make
                 investments except as expressly permitted by paragraph (E) of
                 this section 9.

         Any corporation which becomes a restricted subsidiary after the date
         hereof shall for all purposes of this paragraph (B) be deemed to have
         created, assumed or incurred, at the time it becomes a restricted
         subsidiary, all indebtedness of such corporation existing immediately
         after it becomes a restricted subsidiary.

                  (C)     Limitations on Liens;.  The Company will not itself,
         and will not permit or suffer any restricted subsidiary to, create or
         incur or suffer to be created or incurred or to exist any mortgage,
         lien, security interest, charge or encumbrance of any kind on, or
         pledge of, any property or assets of any kind, real or personal,
         tangible or intangible, of the Company or any such subsidiary, whether
         owned on the date of original issue of the Notes or thereafter
         acquired, or acquire or agree to acquire any property or assets of any
         kind under a conditional sale agreement or other title retention
         agreement or file or permit the filing of any financing statement
         under the Uniform Commercial Code or other similar notice under any
         other similar statute without equally and ratably securing the Series
         A Notes with all other obligations secured thereby and which security
         shall be created and conveyed by documentation satisfactory in scope,
         form and substance to the holders of at least 66-2/3% in aggregate
         principal amount of the outstanding Series A Notes and which





                                     A-50
<PAGE>   51




         security shall continue in full force and effect until either (x) the
         same is released by the holders of at least 66-2/3% in aggregate
         principal amount of outstanding Series A Notes, (y) all other
         obligations secured thereby are discharged, or (z) the security is
         released by the holders of all such other obligations, and in any case
         the Series A Notes shall have the benefit, to the full extent that the
         holders may be entitled thereto under applicable law, of an equitable
         lien on such property or assets equally and ratably securing the
         Series A Notes; provided, however, that the provisions of this
         paragraph (C) shall not prevent or restrict the creation, incurring or
         existence of any of the following:

                           (1)    any mortgage, lien, security interest, charge
                 or encumbrance on, or pledge of, any property or assets of any
                 such subsidiary to secure indebtedness owing by it to the
                 Company or a wholly-owned restricted subsidiary;

                           (2)    purchase money mortgages or other liens on
                 real property (including leaseholds) and fixtures thereon,
                 acquired by the Company or any such subsidiary, to secure the
                 purchase price of such property (or to secure indebtedness
                 incurred solely for the purpose of financing the acquisition
                 of any such property to be subject to such mortgage or other
                 lien) and created contemporaneously with such acquisition or
                 within 180 days thereafter, or mortgages or other liens
                 existing on any such property at the time of acquisition of
                 such property by the Company or by such subsidiary, whether or
                 not assumed, or any mortgage or lien on real property of such
                 subsidiary existing at the time of acquisition of such
                 subsidiary, provided that at the time of the acquisition of
                 the property by the Company or a restricted subsidiary, or at
                 the time of the acquisition of the restricted subsidiary by
                 the Company, as the case may be, (a) the principal amount of
                 the indebtedness secured by each such mortgage or lien, plus
                 the principal amount of all other indebtedness secured by
                 mortgages or liens on the same property, shall not exceed 75%
                 (100% in the case of capitalized leases) of the cost (which
                 shall be deemed to include the amount of all indebtedness
                 secured by mortgages or other liens, including existing liens,
                 on such property) of such property to the Company or any such
                 subsidiary, or 75% (100% in the case of capitalized leases) of
                 the fair value thereof (without deduction of the indebtedness
                 secured by mortgages or liens on such property) at the time of
                 the acquisition thereof by the Company or such subsidiary,
                 whichever is the lesser, and (b) every mortgage or lien shall
                 apply only to the property originally subject thereto and
                 fixed improvements constructed thereon;





                                     A-51
<PAGE>   52




                           (3)    refundings or extensions of the mortgages or
                 liens permitted in the foregoing clause (2) for amounts not
                 exceeding the principal amounts of the indebtedness so
                 refunded or extended at the time of the refunding or extension
                 thereof, and applying only to the same property theretofore
                 subject to the same and fixed improvements constructed
                 thereon;

                           (4)    the owning or acquiring or agreeing to
                 acquire machinery or equipment useful for the business of the
                 Company or any such subsidiary subject to or upon chattel
                 mortgages or conditional sale agreements or other title
                 retention agreements, provided that the principal amounts of
                 the indebtedness secured by such chattel mortgages, plus the
                 aggregate amounts payable under such conditional sale
                 agreements and other title retention agreements, shall not
                 exceed the limitations set forth in clause (2) of paragraph
                 (A) of this section 9;

                           (5)    deposits, liens or pledges to enable the
                 Company or any such subsidiary to exercise any privilege or
                 license, or to secure payments of workmen's compensation,
                 unemployment insurance, old age pensions or other social
                 security, or to secure the performance of bids, tenders,
                 contracts (other than for the payment of money) or leases to
                 which the Company or any such subsidiary is a party, or to
                 secure public or statutory obligations of the Company or any
                 such subsidiary, or to secure surety, stay or appeal bonds to
                 which the Company or any such subsidiary is a party, but, as
                 to all of the foregoing, only if the same shall arise and
                 continue in the ordinary course of business; or other similar
                 deposits or pledges made and continued in the ordinary course
                 of business;

                           (6)    mechanic's, workmen's, repairmen's or
                 carriers' liens, but only if arising, and only so long as
                 continuing, in the ordinary course of business; or other
                 similar liens arising and continuing in the ordinary course of
                 business; or deposits or pledges in the ordinary course of
                 business to obtain the release of any such liens;

                           (7)    liens arising out of judgments or awards
                 against the Company or any such subsidiary with respect to
                 which the Company or such subsidiary shall in good faith be
                 prosecuting an appeal or proceedings for review; or liens
                 incurred by the Company or any such subsidiary for the purpose
                 of obtaining a stay or discharge in the course of any legal
                 proceeding to which the Company or such subsidiary is a party;





                                     A-52
<PAGE>   53




                           (8)    liens for taxes not yet subject to penalties
                 for non-payment or contested as permitted by paragraph (F) of
                 section 8, or minor survey exceptions, or minor encumbrances,
                 easements or reservations of, or rights of others for, rights
                 of way, sewers, electric lines, telegraph and telephone lines
                 and other similar purposes, or zoning or other restrictions as
                 to the use of real properties, which encumbrances, easements,
                 reservations, rights and restrictions do not in the aggregate
                 materially detract from the value of said properties or
                 materially impair their use in the operation of the business
                 of the Company or of such subsidiary owning the same;

                           (9)    liens:  (i) in favor of the United States of
                 America or any department or agency thereof or in favor of a
                 prime contractor under a United States Government contract,
                 and (ii) resulting from the acceptance of progress or partial
                 payments under United States Government contracts or
                 subcontracts thereunder;

                          (10)    any arrangement permitted by paragraph (J) of
                 this section 9;

                          (11)    inchoate liens arising under the Employee
                 Retirement Income Security Act of 1974, as amended, to secure
                 contingent liabilities under said Act;

                          (12)    security interest evidenced by a UCC-1
                 financing statement to secure an obligation not exceeding
                 $1,000,000 in favor of Millmaster/Onyx Chemical Company as
                 vendor of certain chemical inventories located in Northfield,
                 Illinois; or

                          (13)    liens on accounts receivable and ancillary
                 rights sold (or in which participating interests are sold) in
                 compliance with all applicable requirements of paragraph (I)
                 of this section 9 

provided however that:

                           (x)    the aggregate unpaid principal amount of all
                 indebtedness of the Company and its restricted subsidiaries
                 secured by the mortgages or liens permitted by clauses (2),
                 (3) and (4) of this paragraph (C) shall not at any time exceed
                 an amount equal to 10% of consolidated capitalization; and

                           (y)    the sum, without duplication, of





                                     A-53
<PAGE>   54




                                   (i)     the aggregate unpaid principal
                          amount of all indebtedness of the Company secured by
                          the mortgages or liens permitted by clauses (2), (3)
                          and (4) of this paragraph (C);

                                  (ii)     the aggregate unpaid principal
                          amount of all indebtedness of restricted subsidiaries
                          permitted by subclause (c) of clause (1) of paragraph
                          (B) of this section 9; and

                                 (iii)     the aggregate amount of liabilities
                          of the Company and its restricted subsidiaries
                          secured by liens permitted pursuant to the provisions
                          of clause (11) of this paragraph (C)

                 shall not at any time exceed an amount equal to 20% of
                 consolidated capitalization.

                 For purposes of this Series A Note, the Company or a
         restricted subsidiary shall be deemed to be the owner of any property
         which it has acquired or holds subject to a conditional sale
         agreement, capitalized lease or other arrangement pursuant to which
         the property has been retained by or vested in some other person for
         security purposes and such retention or vesting shall constitute a
         lien hereunder.

                  (D)     Limitations on Guaranties;.  The Company will not
         itself, and will not permit any restricted subsidiary to, guarantee
         any dividend, or guarantee any obligation or indebtedness, of any
         other person other than (1) guarantees by the Company of obligations
         or indebtedness of a restricted subsidiary which such subsidiary shall
         be authorized to incur pursuant to the provisions of this Note, (2)
         guaranties incurred in the ordinary course of business of the Company
         or of a restricted subsidiary, and (3) guarantees by the Company of
         indebtedness of persons other than restricted subsidiaries to the
         extent permitted by clause (4) of paragraph (A) of this section 9.

                  (E)     Limitation on Investments;.  The Company will not
         itself, and will not permit any restricted subsidiary to, make any
         investment, or any commitment to make any investment, if, immediately
         after giving effect to any such proposed investment, (1) the aggregate
         amount of all investments, including investments made prior to the
         date of original issue of the Notes (all such investments to be taken
         at the cost thereof at the time of making such investment without
         allowance for any subsequent write-offs or appreciation or
         depreciation thereof, but less any amount repaid or recovered on
         account of capital or principal), shall exceed 30% of the





                                     A-54
<PAGE>   55




         consolidated tangible net worth of the Company and its restricted
         subsidiaries, or (2) consolidated funded indebtedness shall exceed 55%
         of consolidated capitalization.

                  (F)     Limitation on Dividends;.  The Company will not
         declare or pay, or set apart any funds for the payment of, any
         dividends (other than dividends payable in common stock of the
         Company) on any shares of capital stock of any class of the Company,
         or apply any of its funds, property or assets to, or set apart any
         funds, property or assets for, the purchase, redemption or other
         retirement of, or make any other distribution, by reduction of capital
         or otherwise, in respect of, any shares of capital stock of any class
         of the Company, unless, immediately after giving effect to such action
         (a) the Company would be permitted to incur at least $1.00 of
         additional unsecured funded indebtedness pursuant to the provisions of
         section 9(A)(3) hereof, and (b) the sum of

                           (1)    the amounts declared and paid or payable as,
                 or set apart for, dividends (other than dividends paid or
                 payable in common stock of the Company) on, or distributions
                 (taken at cost to the Company or fair value at time of
                 distribution, whichever is higher) in respect of, all shares
                 of capital stock of all classes of the Company subsequent to
                 December 31, 1994, and

                           (2)    the excess, if any, of the amounts applied
                 to, or set apart for, the purchase, redemption or retirement
                 of all shares of capital stock of all classes of the Company
                 subsequent to December 31, 1994, over the sum of (i) such
                 amounts as shall have been received as the net cash proceeds
                 of sales of shares of capital stock of all classes of the
                 Company subsequent to December 31, 1994, plus (ii) the
                 aggregate principal amount of all indebtedness of the Company
                 and its subsidiaries converted into or exchanged for shares of
                 capital stock of the Company subsequent to December 31, 1994,

         would not be in excess of (x) $30,000,000 plus (or minus in the case
         of a deficit) (y) the consolidated net income of the Company and its
         restricted subsidiaries accrued subsequent to December 31, 1994.  The
         foregoing provisions of this paragraph (F) to the contrary
         notwithstanding (i) the Company may pay any dividend within 90 days of
         the date of its declaration if, on the date of declaration, such
         dividend could properly have been paid within the limitations of this
         paragraph (F), and (ii) the Company may pay regular dividends on or
         make payments or purchases required to be made at the time when made
         by the terms of any sinking fund, purchase fund or mandatory
         redemption requirement in respect of any outstanding shares of
         preferred stock of the Company originally issued for cash but all
         amounts so paid or applied pursuant to clauses (i) and (ii) above
         shall be included in any subsequent computation





                                     A-55
<PAGE>   56




         of restricted payments under this paragraph (F).  The Company will not
         declare any dividend payable more than 90 days after the date of
         declaration thereof.  The Company will not declare any dividend if an
         event of default under section 12 shall have occurred and be
         continuing.

                  (G)     Limitations on Dispositions of Stock or Indebtedness
         of Restricted Subsidiaries;.  The Company will not sell, assign,
         transfer or otherwise dispose of (except to a wholly-owned restricted
         subsidiary) any shares of capital stock of any class of any restricted
         subsidiary, or any other security of, or any indebtedness owing to it
         by, any such subsidiary, unless (1) all of the capital stock and other
         securities and the entire indebtedness of such subsidiary at the time
         owned by the Company and by all its other restricted subsidiaries
         shall be sold, assigned, transferred or otherwise disposed of, at the
         same time, for cash, (2) such subsidiary shall not, at the time of
         such sale, assignment, transfer or other disposition, own either (a)
         any shares of capital stock of any class or any other security or any
         indebtedness of any other restricted subsidiary of the Company which
         is not being simultaneously disposed of as permitted by this paragraph
         (G) or (b) any indebtedness of the Company, and (3) such sale,
         assignment or transfer is permitted by paragraph (I) of this section
         9.

                  (H)     Maintenance of Consolidated Current Assets;.  The
         Company will not permit the consolidated current assets of the Company
         and its restricted subsidiaries to be at any time less than 140% of
         consolidated current indebtedness.

                  (I)     Limitations on Mergers, Consolidations and Sales of
         Assets;.  The Company will not (1) consolidate with or merge into any
         other corporation, or permit any other corporation to merge into the
         Company, unless (a) the surviving or continuing corporation shall be
         the Company, and (b) no event of default under section 12 shall exist
         at the time of, or result from, such merger or consolidation, and (c)
         after giving effect to such consolidation or merger the Company would
         be permitted to incur at least $1.00 of additional funded indebtedness
         under the provisions of paragraph (A)(3) of this section 9; or (2)
         sell, lease, transfer or otherwise dispose of all or any substantial
         part of its property and assets.

                 For the purposes of this paragraph (I) and clause (5) of
         paragraph (B) of this section 9, a sale, lease, transfer or
         disposition of properties or assets of the Company or a restricted
         subsidiary shall be deemed to be of a "substantial part" thereof only
         if the fair market value of such properties or assets, when added to
         the fair market value of all other properties or assets sold, leased,
         transferred or disposed of by the Company and its restricted
         subsidiaries, other than (x) in the ordinary course of business, or
         (y) in an approved transaction, during the 365 day period ending on





                                     A-56
<PAGE>   57




         the date of such sale, lease, transfer or disposition exceeds 15% of
         the consolidated assets of the Company and its restricted subsidiaries
         determined as of the end of the Company's immediately preceding fiscal
         year.

                 As used herein, the term "approved transaction" shall mean any
         sale, lease, transfer or disposition of properties or assets to the
         extent that the Company shall, within 5 business days of such sale,
         lease, transfer or disposition, certify in writing to each holder of
         outstanding Series A Notes that such transaction shall constitute an
         "approved transaction" for all purposes hereof.

                 The company will, on a date not later than the 365th day after
         the occurrence of any approved transaction, apply the net after tax
         proceeds of each approved transaction to either

                           (i)    the purchase, acquisition or construction of
                 capital assets which are useful and to be used in the
                 surfactant, polymer, or specialty chemical business of the
                 Company or a restricted subsidiary, or

                          (ii)    the prepayment of unsecured funded
                 indebtedness of the Company, including the concurrent
                 prepayment of Series A Notes pursuant to the provisions of
                 paragraph 4(C) hereof pro rata with all other unsecured funded
                 indebtedness then being prepaid;

         provided, however, that to the extent that, at any time, the fair
         market value of all properties or assets which were the subject of
         approved transactions (the net after tax proceeds of which have not
         theretofore been applied as contemplated in clause (i) or clause (ii)
         above) exceeds 10% of the consolidated assets of the Company and its
         restricted subsidiaries, determined as of the end of the fiscal year
         of the Company immediately preceding any determination hereunder, the
         Company will, on a date not later than the 30th day after such
         determination, apply the net after tax proceeds of such excess
         approved transactions in the manner contemplated in clause (i) or
         clause (ii) above.

                  (J)     Limitations on Sale-and-Leasebacks;.  The Company
         will not itself, and will not permit any restricted subsidiary to,
         enter into any arrangement, directly or indirectly, with any person
         whereby the Company or such subsidiary shall sell or transfer any
         manufacturing plant or equipment owned or acquired by the Company or
         such subsidiary and then or thereafter rent or lease, as lessee, such
         property or any part thereof, or other property which the Company or
         such subsidiary, as the case may be, intends to use for substantially
         the same purpose or purposes as the property





                                     A-57
<PAGE>   58




         being sold or transferred, unless (1) the lease covering such property
         or other property shall be for a term of not less than three years,
         and (2) the Company could then incur unsecured funded indebtedness
         under clause (3) of paragraph (A) of this section 9 in an amount not
         less than the capitalized value of the rentals payable by the Company
         or such subsidiary, as the case may be, under such lease determined in
         accordance with good accounting practice.

                  (K)     Limitation on Rentals;.  The Company will not itself,
         and will not permit any restricted subsidiary to, enter into, as
         lessee, or be a party to, any lease of property if, immediately after
         giving effect to such lease, the aggregate amount of rentals
         (excluding up to $2,500,000 of tank car rentals incurred during such
         fiscal year and any rentals payable under capitalized leases or under
         leases between the Company and any wholly-owned restricted subsidiary
         or between wholly-owned restricted subsidiaries) for any fiscal year
         of the Company payable by the Company and its restricted subsidiaries
         with respect to all such leases shall exceed 5% of consolidated
         tangible net worth of the Company and its restricted subsidiaries.
         For the purposes of this paragraph (K), the term "rentals," with
         respect to any lease and for any period, shall mean the aggregate
         amount payable by the lessee under such lease for such period to the
         lessor.

                  (L)     Transactions with Affiliates;.  Notwithstanding any
         other provision hereof, the Company will not, and will not permit any
         restricted subsidiary to, directly or indirectly, enter into any
         transaction with any affiliate of the Company (other than a
         wholly-owned restricted subsidiary) unless such transaction is in the
         ordinary course of, and pursuant to the reasonable requirements of,
         the Company's or such restricted subsidiary's business and is
         determined by the Board of Directors of the Company to be at least as
         favorable to the Company or such restricted subsidiary as generally
         obtainable at the time from persons other than affiliates of the
         Company in a similar transaction.

                  (M)     Compliance with ERISA;.

                           (1)    The Company will not, and will not permit any
                 restricted subsidiary to, permit the aggregate value of all
                 vested benefits under all its employee benefit plans which are
                 employee pension benefit plans to exceed on any valuation date
                 the then current value of the assets of such employee benefit
                 plans allocable to such vested benefits unless the Company
                 could issue additional unsecured funded indebtedness pursuant
                 to section 9(A)(3) in an amount at least equal to the amount
                 by which such vested benefits exceed the current value of the
                 assets of such plans allocable to such vested benefits.  All





                                     A-58
<PAGE>   59




                 actuarial assumptions and methods used to make each
                 determination required by the preceding sentence shall be
                 reasonable in the aggregate, and shall comply with all
                 requirements of law.  All such employee benefit plans shall
                 have annual or more frequent valuation dates.

                      If, on any valuation date, after giving effect to any
                 increase in vested benefits, the value of vested benefits
                 under all employee pension benefit plans maintained by the
                 Company and its restricted subsidiaries exceeds the value of
                 plan assets, the amount of any deficit resulting from an
                 increase in vested benefits subsequent to the immediately
                 preceding valuation date shall be amortized and made up during
                 the twelve-month period following the valuation date as of
                 which such deficit was determined, or on such other basis as
                 is agreed to by the Company and the holder or holders of 51%
                 in aggregate principal amount of all outstanding Notes and the
                 holder or holders of the Notes agree that their approval of
                 any such other basis proposed by the Company shall not be
                 unreasonably withheld.  In addition, the Company will make
                 annual contributions in the aggregate sufficient to comply
                 with the Employee Retirement Income Security Act of 1974, as
                 amended ("ERISA") standards as to the funding of employee
                 pension benefit plans.  The Company will make an evaluation at
                 least once a year and also after the occurrence of an event
                 resulting in an extension of pension benefits to additional
                 employees or negotiation of labor contracts increasing pension
                 benefits or any other event which the Company should
                 reasonably expect to increase vested benefits.

                           (2)    The Company will not, and will not permit any
                 subsidiary to, (a) terminate any of its employee benefit plans
                 so as to result in any material liability to the Pension
                 Benefit Guaranty Corporation established pursuant to ERISA,
                 (b) allow or suffer to exist any material prohibited
                 transaction involving any of such employee benefit plans, (c)
                 incur or suffer to exist any material accumulated funding
                 deficiency, whether or not waived, involving any of such
                 employee benefit plans, or (d) allow or suffer to exist any
                 occurrence of any reportable event, or any other event or
                 condition, which presents a material risk of termination of
                 such employee benefit plans by such Pension Benefit Guaranty
                 Corporation so as to result in a material liability to the
                 Pension Benefit Guaranty Corporation.

                           (3)    As used in this paragraph (M), the terms
                 "vested benefits," "employee pension benefit plans,"
                 "accumulated funding deficiency" and "reportable event" shall
                 have the respective meanings assigned to them in





                                     A-59
<PAGE>   60




                 ERISA, and the term "prohibited transaction" shall have the
                 meaning assigned to it in Internal Revenue Code Section 4975
                 and ERISA.

            Section 10.     Consents, Waivers and Modifications;.  Any term,
covenant, agreement or condition of this Series A Note may be amended, or
compliance therewith may be waived (either generally or in a particular
instance and either retroactively or prospectively), if the Company shall have
obtained the agreement or consent in writing of the holders of at least 51% in
aggregate principal amount of all outstanding Series A Notes and 51% in
aggregate principal amount of all outstanding Series B Notes; provided,
however, that without the agreement or consent in writing of the holders of all
outstanding Notes of each series no such amendment or waiver shall (i) change
the amount or maturity of any principal of the Notes of either series or any
installment or fixed prepayment thereof or change the rate or extend the time
of payment of interest on the Notes of either series or reduce the amount of
principal thereof or premium with respect thereto or modify any of the
provisions of the Notes of either series with respect to the payment or
prepayment thereof, (ii) give to any Note of either series any preference over
any other Note of either series, (iii) reduce the percentage of holders of
Notes of either series required to approve any such amendment or effectuate any
such waiver or (iv) change the definition of "change of control" set forth in
paragraph 4(D).  Any such amendment or waiver shall apply equally to all
holders of the Series A Notes and shall be binding upon them, upon each future
holder of any Series A Note and upon the Company, whether or not such Note
shall have been marked to indicate such amendment or waiver.  No such amendment
or waiver shall extend to or affect any obligation not expressly amended or
waived or impair any right consequent thereon.

            Section 11.     Definitions;.  For the purposes of this Note, the
following terms shall have the following respective meanings, and any
accounting terms not defined in this Note shall have the respective meanings
given to them in accordance with good accounting practice:

                  (A)     The term "affiliate" of any corporation shall mean
         any person which, directly or indirectly, controls or is controlled by
         or is under common control with such corporation.  For the purposes of
         this definition, "control" (including the correlative meanings of
         "controlling," "controlled by" and "under common control with") shall
         mean the possession, directly or indirectly, of the power to direct or
         cause the direction of the management and policies of such person,
         whether through the ownership of voting securities, by contract or
         otherwise.

                  (B)     The term "assets" of any corporation shall mean, at
         any date, the gross book value as shown by the books of such
         corporation in accordance with good





                                     A-60
<PAGE>   61




         accounting practice of all its property, whether real, personal or
         mixed (exclusive of franchises, licenses, permits, patents, patent
         applications, copyrights, trademarks, trade names, good will,
         experimental or organizational expense, leasehold improvements not
         recoverable at the expiration of a lease, unamortized debt discount
         and expense, deferred charges and other intangibles and treasury
         stock), less the sum (without duplication) of (1) all reserves for
         depreciation, depletion, obsolescence and amortization of its
         properties (other than properties excluded as hereinabove provided) as
         shown by the books of such corporation and all other proper reserves
         which in accordance with good accounting practice should be set aside
         in connection with the business conducted by such corporation, other
         than reserves for contingencies not allocated to any particular
         purpose; and (2) the amount of any write-up subsequent to December 31,
         1986 in the book value of any asset owned by such corporation on such
         date resulting from the revaluation thereof subsequent to such date,
         or any write-up in excess of the cost of any asset acquired by such
         corporation subsequent to such date.

                  (C)     The term "capitalized lease" shall mean any lease
         which, in accordance with good accounting practice, is of such a
         nature that payment obligations of the lessee thereunder shall have
         been or should be capitalized and shown as liabilities (other than
         current indebtedness) upon the balance sheet of such lessee.

                  (D)     The term "consolidated," when used in respect of the
         assets, current assets, current indebtedness and funded indebtedness
         of the Company and its restricted subsidiaries shall mean the
         aggregate of the assets, current assets, current indebtedness, funded
         indebtedness, respectively, of the Company and its restricted
         subsidiaries, after eliminating all intercompany items and all other
         items which should be eliminated in accordance with good accounting
         practice; provided, however, in determining consolidated assets, there
         shall not be included therein any amount on account of the excess of
         (i) the cost of acquisition of shares of any subsidiary over the book
         value of the assets of such subsidiary attributable to such shares on
         the books of such subsidiary at the date of acquisition of such
         shares, or (ii) the book value of the assets of such subsidiary
         attributable to such shares at the date of such acquisition over the
         cost of acquisition of such shares.

                  (E)     The term "consolidated capitalization" shall mean the
         sum of (i) consolidated funded indebtedness, plus (ii) consolidated
         tangible net worth.

                  (F)     The term "consolidated balance sheet" shall mean a
         balance sheet consolidating the accounts of the Company and its
         restricted subsidiaries prepared, subject to any applicable provisions
         hereof, in accordance with good accounting





                                     A-61
<PAGE>   62




         practice and after eliminating all intercompany items and all other
         items which should be eliminated in accordance with good accounting
         practice.

                  (G)     The term "consolidated net current assets" shall mean
         the amount by which consolidated current assets exceeds consolidated
         current indebtedness.

                  (H)     The term "consolidated net income" shall mean the
         aggregate of the net income of the Company and its restricted
         subsidiaries, after eliminating all intercompany items and portions of
         income properly attributable to minority interest in the stock of such
         subsidiaries, all computed in accordance with good accounting
         practice.

                  (I)     The term "consolidated tangible net worth" shall mean
         the aggregate of the tangible net worth of the Company and its
         restricted subsidiaries, consolidated in accordance with good
         accounting practice.

                  (J)     The term "corporation" shall include corporations,
         joint stock companies and business trusts.

                  (K)     The term "current assets", to the extent permitted by
         and in all cases as determined in accordance with, good accounting
         practice, shall include (1) cash on hand or in transit or on deposit
         in any bank or trust company which has not suspended business; (2)
         readily marketable securities issued by the United States of America
         and other readily marketable securities maturing within one year from
         the date of issuance, taken in total at not more than cost or current
         market value, whichever is lower; (3) customers' accounts and bills
         and notes receivable; (4) inventories of raw materials and supplies,
         of work or materials in process and of finished products, taken in
         total at not more than cost or current market value, whichever is
         less; and (5) such other assets including prepaid expenses but not
         deferred charges as, in accordance with good accounting practice,
         would be included in  "current assets"; all after deduction of
         adequate reserves in each case where a reserve is proper under good
         accounting practice; provided, however, that in computing current
         assets there shall be excluded any assets which are pledged or
         deposited as security for or for the purpose of paying any obligation
         which is not included in current indebtedness.

                  (L)     The term "current indebtedness" shall mean all
         indebtedness other than funded indebtedness, and, without limitation,
         shall include (1) all indebtedness maturing on demand or within one
         year after the date as of which such determination is made, (2) final
         maturities and prepayments of indebtedness and sinking fund





                                     A-62
<PAGE>   63




         payments (including, with respect to the Notes, not only (a) fixed
         prepayments, but also (b) other prepayments on and after the date of
         notice of prepayment thereof pursuant to section 6) required to be
         made in respect of any indebtedness within one year after said date,
         and (3) all other items (including taxes accrued as estimated) which
         in accordance with good accounting practice would be included as
         current liabilities.

                  (M)     The term "default rate" shall mean the greater of (1)
         8.69% per annum, or (2) the prime rate of interest as announced from
         time to time by The First National Bank of Chicago (or if not so
         announced by said bank then the prime rate as reported from time to
         time in the money rate section of The Wall Street Journal).

                  (N)     The term "events of default" shall have the meaning
         specified in section 12.

                  (O)     The term "funded indebtedness" shall mean all
         indebtedness (including capitalized payment obligations under
         capitalized leases) which by its terms matures more than one year from
         the date as of which any calculation of funded indebtedness is made.
         Funded indebtedness shall also include the amount by which vested
         benefits under employee pension benefit plans exceeds the value of
         assets of such plans allocable to such vested benefit, if any.

                  (P)     The term "good accounting practice" shall mean, as to
         a particular corporation, such accounting practices as, in the opinion
         of the independent accountants regularly retained by such corporation,
         conforms at the time to generally accepted accounting principles.

                  (Q)     The term "indebtedness" of any corporation shall mean
         and include (1) all items which, in accordance with good accounting
         practice, would be included on the liability side of a balance sheet
         of such corporation as of the date as of which indebtedness is to be
         determined, including all capitalized payment obligations created or
         arising under any capitalized lease, but excluding capital stock,
         capital, paid-in and earned surplus, surplus reserves which in effect
         are appropriations of surplus or offsets to asset values (other than
         all reserves in respect of obligations, the amount, applicability or
         validity of which is at such date being contested in good faith by
         such corporation) and deferred credits, (2) indebtedness secured by
         any mortgage, pledge, security interest or lien existing on property
         owned subject to such mortgage, pledge, security interest or lien
         whether or not the indebtedness secured thereby shall have been
         assumed, (3) all proper accruals for federal and other taxes based on
         or measured by income or profits, and (4) except for guaranties
         referred to in clauses





                                     A-63
<PAGE>   64




         (1) and (2) of paragraph (D) of section 9, all indebtedness
         guaranteed, directly or indirectly, in any manner by such corporation,
         or in effect guaranteed or supported, directly or indirectly, by such
         corporation through an agreement, contingent or otherwise, (a) to
         purchase the indebtedness, (b) to purchase, sell, transport or lease
         (as lessee or lessor) property or to purchase or sell services at
         prices or in amounts designed to enable the debtor to make payment of
         the indebtedness or to assure the owner of the indebtedness against
         loss, or (c) to supply funds to or in any other manner invest in the
         debtor; provided, however, that such term shall not mean and include
         any indebtedness in respect of which moneys sufficient to pay and
         discharge the same in full (either on the expressed date of maturity
         thereof or on such earlier date as such indebtedness may be duly
         called for redemption and payment) shall be deposited with a
         depositary, agency or trustee in trust for the payment thereof, but
         only if, in the case of indebtedness to be redeemed prior to the
         maturity thereof, any notice of redemption required by the terms
         thereof shall have been duly given or provision satisfactory to the
         depositary, agent or trustee, as the case may be, shall have been made
         for the giving of such notice.

                  (R)     The term "investment" shall include any investment,
         in cash or by the delivery of other property (except against receipt
         of the fair value thereof in cash or in the ordinary course of
         business), whether by acquisition of stock, securities or other
         indebtedness, or by loan, advance, capital contribution, transfer of
         property or otherwise; provided, however, that (1) the acquisition of
         stock, securities or other indebtedness of, or a loan, advance capital
         contribution or transfer of property to, a restricted subsidiary (or a
         corporation which by reason of such transaction will become a
         restricted subsidiary) by the Company or one of its restricted
         subsidiaries, or (2) the purchase, acquisition or ownership by the
         Company or a restricted subsidiary of (a) readily marketable
         securities issued by states or municipalities within the United States
         of America or agencies or subdivisions thereof rated "A" or better by
         any recognized rating agency, (b) direct obligations of, or
         obligations unconditionally guaranteed by, the United States of
         America or any agency thereof, (c) commercial paper maturing within
         not more than 270 days from the  date of issuance thereof which is
         issued by any corporation organized and doing business under the laws
         of the United States of America or any state thereof and which is
         rated "Prime 1" by Moody's Investors Service, Inc. or "A-1" by
         Standard and Poor's Corporation (or comparably rated by such
         organizations or any successors thereto if the rating system is
         changed or there are such successors), (d) certificates of deposit
         issued by any commercial bank organized and doing business under the
         laws of the United States of America or any state thereof and having
         (x) capital, surplus and undivided profits aggregating more than
         $50,000,000, and (y) outstanding commercial paper which, at the time
         of acquisition of such certificates of deposit by





                                     A-64
<PAGE>   65




         the Company or any restricted subsidiary is rated "Prime 1" by Moody's
         Investors Service, Inc. or "A-1" by Standard and Poor's Corporation
         (or comparably rated by such organizations or any successors thereto
         if the rating system is changed or there are any successors), and (e)
         trade accounts payable to the Company or a restricted subsidiary
         within six months from the date such liability arose, shall not be
         deemed an "investment."

                  (S)     The term "net income" of any corporation for any
         fiscal period shall mean the net income (or the net deficit, if
         expenses and charges exceed revenues and other proper income credits)
         of such corporation for such period, determined in the following
         manner:

                           (1)    The gross revenues and other proper income
                 credits of such corporation shall be computed for such period
                 in accordance with good accounting practice; provided that in
                 any event there shall not be included in such gross revenues
                 and income credits any write up in the book value of any asset
                 resulting from the revaluation thereof;

                           (2)    From the amount of such gross revenues and
                 other proper income credits for such period determined as
                 provided in the preceding clause (1), there shall be deducted
                 an amount equal to the aggregate of all expenses and other
                 proper income charges for such period, determined in
                 accordance with good accounting practice but in any event
                 deducting (without in any respect limiting the generality of
                 the foregoing) the following items:  (a) all interest charges;
                 (b) amortization of debt discount and expense and any other
                 amortization of deferred charges properly subject to
                 amortization; (c) provision for all taxes whether in respect
                 of property, income, excess profits or otherwise; (d)
                 provisions for all contingency and other reserves whether
                 general or special; and (e) provision for depreciation,
                 depletion, obsolescence and amortization of the properties of
                 such corporation (including depreciation and amortization of
                 leasehold improvements) in amounts not less than the aggregate
                 amount actually deducted on its books and not less than the
                 aggregate amount claimed (but adjusted for any disallowance)
                 or to be claimed by such corporation for federal income tax
                 purposes for such period; provided, however, that in lieu of
                 accelerated depreciation permitted under the Internal Revenue
                 Code of 1986, as amended, the corporation may at its option
                 provide for depreciation and amortization in amounts based on
                 the normal rates customarily employed by the corporation for
                 identical or similar types of property in the preparation of
                 its audited financial statements, and in such event the
                 corporation shall establish and shall maintain in accordance
                 with





                                     A-65
<PAGE>   66




                 good accounting practice an appropriate reserve in respect of
                 any tax savings as a result of charging for tax purposes such
                 accelerated depreciation or accelerated amortization;

         provided that, in determining the amount to be included in clauses (1)
         and (2) above, (i) any federal tax adjustments for any period prior to
         January 1, 1995 shall not be a proper charge or credit to income for
         any period subsequent to that date, and any federal tax adjustment for
         any period subsequent to December 31, 1994 shall be included as a
         proper charge or credit to income for the year in which actually
         received or paid, except to the extent, if any, to which the amount of
         such latter adjustment is charged to a proper reserve for federal
         taxes set up out of income for any period subsequent to December 31,
         1994; (ii) any adjustments for any period prior to January 1, 1995
         resulting from any renegotiation or price redetermination in respect
         of any Government prime contract, or any subcontract under any
         Government prime contract, shall not be included as a proper charge or
         credit to income for any period subsequent to that date, and any such
         renegotiation or price redetermination adjustment for any period
         subsequent to December 31, 1994 shall be included as a proper charge
         or credit to income for the year in which actually received or paid,
         except to the extent, if any, to which the amount of such adjustment
         is charged to a proper reserve for renegotiation or price
         redetermination set up out of income for any period subsequent to
         December 31, 1994; (iii) any earnings of, and dividends payable to,
         such corporation in currencies which at the time are blocked against
         conversion into United States currency shall not be included as a
         proper charge or credit to income for any period subsequent to
         December 31, 1994; (iv) any undistributed earnings of, and dividends
         payable by, unconsolidated subsidiaries or any other person (other
         than a restricted subsidiary) shall not be included as a proper charge
         or credit to income for any period subsequent to December 31, 1994;
         (v) any gains on the sale or other disposition of capital assets and
         taxes on such excluded gains shall not be included as a proper charge
         or credit to income for any period subsequent to December 31, 1994;
         (vi) net earnings and losses of any corporation (other than a
         subsidiary) substantially all the assets of which have been acquired
         in any manner, realized by such other corporation prior to the date of
         acquisition shall not be included as a proper charge or credit to
         income for any period subsequent to December 31, 1994; (vii) net
         earnings or losses of any corporation (other than a restricted
         subsidiary) with which the Company or a restricted subsidiary shall
         have consolidated or which shall have merged into or with the Company
         or a restricted subsidiary prior to the date of such consolidation or
         merger shall not be included as a proper charge or credit to income
         for any period subsequent to December 31, 1994; and (viii) any portion
         of the net earnings of any restricted subsidiary which for any reason
         is unavailable for the payment of dividends to the Company or any
         other





                                     A-66
<PAGE>   67




         restricted subsidiary shall not be included as a proper credit to
         income for any period subsequent to December 31, 1994.  The term
         "capital assets" of any corporation as used herein shall include all
         fixed assets, both tangible (such as land, buildings, machinery and
         equipment) and intangible (such as patents, copyrights, trademarks,
         trade names, formulae and good will), and securities.

                  (T)     The term "person" shall include any individual, a
         corporation, a partnership or a government, foreign or domestic, or
         any agency or political subdivision thereof.

                  (U)     The term "restricted subsidiary" shall mean any
         subsidiary of the Company which (i) is organized under the laws of any
         state of the United States of America or under the laws of Canada or
         any province thereof, (ii) has substantially all of its assets located
         within, and operates substantially within, the United States of
         America or Canada, (iii) at least 50% of the outstanding voting stock
         having ordinary voting power to elect a majority of the Board of
         Directors of such corporation (irrespective of whether or not at the
         time stock of any other class or classes shall have or might have
         voting power by reason of the happening of any contingency) is at the
         time directly or indirectly owned by the Company, by one or more of
         its wholly-owned restricted subsidiaries or by the Company and one or
         more of its wholly-owned restricted subsidiaries, and (iv) which the
         Company designates as a restricted subsidiary, by notice to the
         holders of the Notes in the manner in section 6 provided, at the date
         on which the Notes shall be originally issued or subsequent to the
         acquisition of any such subsidiary by the Company; provided, however,
         that the Company may not designate any subsidiary as a restricted
         subsidiary unless at the time of such designation, and after giving
         effect thereto, (a) the Company could become liable for at least $1.00
         of additional unsecured funded indebtedness pursuant to clause (3) of
         paragraph (A) of section 9, and (b) no default or event which the
         passage of time or giving of notice, or both, would constitute an
         event of default would exist; and provided further that the Company
         may not subsequently change the designation of any such subsidiary
         from restricted subsidiary to unrestricted subsidiary.

                  (V)     The term "subsidiary" shall mean, as to a particular
         parent corporation, any corporation of which more than 50% of the
         outstanding stock having ordinary voting power to elect a majority of
         the Board of Directors of such corporation (irrespective of whether or
         not at the time stock of any other class or classes of such
         corporation shall have or might have voting power by reason of the
         happening of any contingency) is at the time directly or indirectly
         owned by such parent corporation, 




                                     A-67
<PAGE>   68




         by one or more of its subsidiaries or by such parent corporation
         and one or more of its subsidiaries.

                  (W)     The term "tangible net worth" of any corporation
         shall mean the sum of the amounts set forth on the balance sheet of
         such corporation, prepared in accordance with good accounting practice
         and as of any date selected by such corporation not more than 45 days
         prior to the taking of any action for the purpose of which the
         determination is being made, which appears as (1) the par or stated
         value of all outstanding stock, (2) capital, paid-in and earned
         surplus and (3) deferred taxes and investment tax credits, less the
         sum of (a) any surplus resulting from any write-up of assets
         subsequent to December 31, 1994, (b) good will, including any amounts
         (however designated on such balance sheet) representing the cost of
         acquisitions of restricted subsidiaries in excess of underlying
         tangible assets, unless an appraisal of such assets made by a
         reputable firm of appraisers at the time of acquisition shall indicate
         sufficient value to cover such excess, (c) any amounts by which
         investments in persons appearing on the asset side of such balance
         sheet exceed the lesser of cost or the proportionate share of such
         corporation in the book value of the assets of such persons, provided
         that such book value shall be reduced by any amounts representing
         restrictions on the payment of dividends by such persons pursuant to
         any law, charter provision, mortgage or indenture or, in lieu of the
         foregoing, any investment may be carried at its market value if the
         securities representing such investment are publicly traded, (d)
         patents, trademarks, copyrights, leasehold improvements not
         recoverable at the expiration of a lease and deferred charges
         (including, but not limited to, unamortized debt discount and expense,
         organization expenses, experimental and development expenses, but
         excluding prepaid expenses), (e) any amounts at which shares of
         capital stock of such corporation appear on the asset side of such
         balance sheet, and (f) any amount of indebtedness not included on the
         liability side of such balance sheet.

                  (X)     The term "unrestricted subsidiary" shall mean any
         subsidiary other than a restricted subsidiary.

                  (Y)     The term "wholly-owned restricted subsidiary" shall
         mean any restricted subsidiary all of whose outstanding stock of all
         classes (other than directors' qualifying shares) at the time is owned
         directly or indirectly by the Company, or by one or more of its
         wholly-owned restricted subsidiaries or by the Company and one or more
         of its wholly-owned restricted subsidiaries.  

         Section 12.   Events of Default and Remedies;.  When any event of
default (hereafter defined) described in paragraph (A) below has happened and
is continuing, the 





         



                                     A-68
<PAGE>   69
holder or holders of 25% or more of the principal amount of Series A
Notes at the time outstanding may, and when any event of default described in
paragraph (B), (C), (F), (G) or (H) below has happened and is continuing, the
holder or holders of 51% or more of the principal amount of Series A Notes at
the time outstanding may, by written notice to the Company, declare the entire
principal and all interest accrued on all Series A Notes to be, and all such
Notes shall thereupon become, forthwith due and payable, without any
presentment, demand, protest or other notice of any kind, all of which are
hereby expressly waived; provided, however, when any event of default described
in paragraph (A) below has happened and is continuing with respect to any
Series A Note, the holder of such Series A Note may, by written notice to the
Company, declare the entire principal and all interest accrued on such Series A
Note to be, and such Series A Note shall thereupon become, forthwith due and
payable, without any presentment, demand, protest or other notice of any kind,
all of which are hereby expressly waived.  When any event of default described
in paragraph (D) or (E) below has occurred, then all outstanding Series A Notes
shall immediately become due and payable without presentment, demand or notice
of any kind.  If the event of default on which any such acceleration or
declaration is based is an event of default other than an event of default
described in paragraph (D) or (E) below, then in such event, in addition to the
amounts required to be paid by the Company in accordance with the foregoing
provisions of this section 12, the Company shall also pay, to the extent
permitted by law, an amount (as liquidated damages for the loss of the bargain
evidenced hereby and not as a penalty) equal to the make whole premium amount
described in section 4 above.

         The provisions of this section 12 are subject to the condition that if
the principal of and accrued interest on all or any outstanding Series A Notes
have been declared or become immediately due and payable by reason of the
occurrence of any event of default described in paragraphs (A) through (H),
below, the holders of 66-2/3% in aggregate principal amount of the Series A
Notes then outstanding may, by written instrument filed with the Company,
rescind and annul such acceleration and the consequences thereof, provided that
at the time such acceleration is annulled and rescinded:

                  (a)     no judgment or decree has been entered for the
         payment of any monies due pursuant to the Series A Notes;

                  (b)     all arrears of interest upon all the Series A Notes
         and all other sums payable under the Series A Notes (except any
         principal, interest or premium on the Series A Notes which has become
         due and payable solely by reason of such acceleration under this
         section 12) shall have been duly paid; and





                                     A-69
<PAGE>   70




                  (c)     each and every other event of default shall have been
         made good, cured or waived pursuant to section 10 hereof; 

and provided further, that no such rescission and annulment shall extend to
or affect any subsequent event of default or impair any right consequent
thereto.

         The events listed in paragraph (A) through (H) below are called
         "events of default":

                  (A)     default shall be made by the Company (1) in the
         payment of principal of, or premium, if any, on, any Note when and as
         the same shall become due and payable, whether at maturity thereof, on
         a date fixed for prepayment (in this Note or in any notice of
         prepayment), by acceleration or otherwise, or (2) in the payment of
         interest on any Note when and as the same shall become due and payable
         and such default in the payment of interest shall continue for a
         period of 5 days; or

                  (B)     default shall be made in the performance or
         observance of any covenant, condition or agreement contained in
         section 9 and such default shall continue for a period of 30 days; or

                  (C)     default shall be made in the performance or
         observance of any other of the covenants, conditions or agreements in
         this Note set forth or in the Loan Agreement dated as of June 15, 1995
         pursuant to which this Note was initially issued and such default
         shall continue for a period of 30 days after the earlier of (1) the
         Company becoming aware of such default, and (2) written notice to the
         Company from the holder of any Note stating the specific default or
         defaults; or any representation or warranty made by the Company herein
         or in said Loan Agreement, or furnished in writing in connection with
         or pursuant to this Note or said Loan Agreement shall be false in any
         material respect on the date as of which such representation or
         warranty is made; or

                  (D)     a decree or order by a court having jurisdiction in
         the premises shall have been entered adjudging the Company or any
         restricted subsidiary a bankrupt or insolvent, or approving as
         properly filed a petition seeking reorganization, readjustment,
         arrangement, composition or similar relief for the Company or any such
         subsidiary under the federal bankruptcy laws, or any other similar
         applicable federal or state law, and such decree or order shall have
         continued undischarged or unstayed for a period of 60 days; or a
         decree or order of a court having jurisdiction in the premises for the
         appointment of a receiver or liquidator or trustee or assignee in
         bankruptcy or insolvency of the Company or any restricted subsidiary
         or a substantial part of its property, or for the winding up or
         liquidation of its affairs, shall have been





                                     A-70
<PAGE>   71




         entered, and such decree or order shall have remained in force
         undischarged and unstayed for a period of 60 days; or any substantial
         part of the property of the Company or any restricted subsidiary shall
         be sequestered or attached and shall not be returned to the possession
         of the Company or such subsidiary or released from such attachment
         within 60 days thereafter; or

                  (E)     the Company or any restricted subsidiary shall
         institute proceedings to be adjudged a voluntary bankrupt, or shall
         consent to the filing of a bankruptcy proceeding against it, or shall
         file a petition or answer or consent seeking reorganization,
         readjustment, arrangement, composition or similar relief under the
         federal bankruptcy laws, or any other similar applicable federal or
         state law, or shall consent to the filing of any such petition, or
         shall consent to the appointment of a receiver or liquidator or
         trustee or assignee in bankruptcy or insolvency of it or of a
         substantial part of its property, or shall make an assignment for the
         benefit of creditors, or shall admit in writing its inability to pay
         its debts generally as they become due, or shall voluntarily suspend
         transaction of its usual business, or corporate action shall be taken
         by the Company or any such subsidiary in furtherance of any of the
         aforesaid purposes; or

                  (F)     the Company or any restricted subsidiary fails to
         make any payment due on any indebtedness having a principal amount
         greater than $2,500,000 or any event shall occur (other than the mere
         passage of time) or any condition shall exist in respect of any
         indebtedness of the Company or any restricted subsidiary, or under any
         agreement securing or relating to such indebtedness and any such event
         or condition continues beyond any applicable period of grace, if any,
         the effect of which is to cause (or permit any holder of such
         indebtedness or other Security or a trustee to cause) such
         indebtedness or other Security, or a portion thereof, to become due
         prior to its stated maturity or prior to its regularly scheduled dates
         of payment; or

                  (G)     final judgment for the payment of money in excess of
         $250,000 shall be rendered against the Company or any restricted
         subsidiary and the same shall remain undischarged for a period of 30
         days during which execution shall not be effectively stayed; or

                  (H)     a change of control (as defined in paragraph 4(D))
         shall occur and continue for more than 40 days or a default shall
         occur in giving notice of any change of control pursuant to the
         provisions of paragraph 8(K).

         In case any one or more of the events of default specified above in
this section 12 shall have happened and be continuing, the holder of this Note
may proceed to protect and





                                     A-71
<PAGE>   72




enforce its rights either by suit in equity and/or by action at law, or by
other appropriate proceedings, whether for the specific performance (to the
extent permitted by law) of any covenant or agreement contained in this Note or
in aid of the exercise of any power granted in this Note, or, subject to the
first paragraph of this section 12, may proceed to enforce the payment of this
Note or to enforce any other legal or equitable right of the holder of this
Note.

         In case of a default in the payment of any principal of, premium, if
any, or interest on, any Note, the Company will pay to the holder thereof such
further amount as shall be sufficient to cover the cost and expense of
collection, including (without limitation) reasonable attorneys' fees.

            Section 13.     No Waiver.  No course of dealing between the
Company and the holder hereof or any delay on the part of the holder hereof in
exercising any rights hereunder shall operate as a waiver of any rights of any
holder hereof, except to the extent expressly waived in writing by the holder
hereof.

            Section 14.     Loss, Theft, Destruction or Mutilation of Note;.
Upon receipt by the Company of evidence reasonably satisfactory to the Company
of the loss, theft, destruction or mutilation of this Note, and of indemnity or
security reasonably satisfactory to the Company (or, if this Note shall then be
held by an institutional investor, an indemnity agreement therefrom), and upon
reimbursement to the Company of all reasonable expenses incidental thereto, and
upon surrender and cancellation of this Note if mutilated, the Company will
make and deliver a new Note of like tenor in lieu of this Note.  Any Note made
and delivered in accordance with the provisions of this section 14 shall be
dated as of the date to which interest has been paid on this Note or, if no
interest has theretofore been paid on this Note, then dated the date hereof.

            Section 15.     Governing Law;.  This Note shall be construed in
accordance with and governed by the laws of the State of Illinois.

            Section 16.     Successors and Assigns;.  All the covenants,
stipulations, promises and agreements in this Note contained by or on behalf of
the Company shall bind its successors and assigns, whether so expressed or not.

            Section 17.      Headings;.  The headings of the sections of
this Note are inserted for convenience only and shall not be deemed to
constitute a part hereof.





                                     A-72
<PAGE>   73




         In Witness Whereof, STEPAN COMPANY has caused this Note to be signed
in its corporate name by a duly authorized officer and to be dated as of the
day and year first above written.

                                        STEPAN COMPANY



                                        By
                                           Its





                                     A-73
<PAGE>   74




No. RB-
PPN:  858586 D@ 6
                                 STEPAN COMPANY

               7.77% Promissory Note, Series B, Due June 30, 2010
$______________                                          ______________, ______

         STEPAN COMPANY, a corporation duly organized and existing under the
laws of the State of Delaware (hereinafter called the "Company"), for value
received, hereby promises to pay to



                    or registered assigns, on June 30, 2010,
                            the principal amount of



to the extent not theretofore prepaid pursuant to the terms of this Note, in
such coin or currency of the United States of America as at the time of payment
shall be legal tender for the payment of public and private debts, at the
principal office of the Company in Northfield, Illinois, and to pay interest
(computed on the basis of a 360-day year of twelve 30-day months) on the unpaid
principal amount hereof from the date hereof, in like coin or currency, at such
office, semi-annually on the thirtieth day of June and December in each year,
at the rate of 7.77% per annum until the unpaid principal amount hereof shall
have become due and payable and at the default rate thereafter and, so far as
may be lawful, to pay interest on any overdue installment of interest at the
default rate at such principal office in like coin or currency.

             Section 1.     The Notes;.  This Note is one of a number of
promissory notes (hereinafter called the "Notes"), in the aggregate principal
amount of $40,000,000, consisting of $10,000,000 aggregate principal amount of
7.69% Promissory Notes, Series A (the "Series A Notes") and $30,000,000
aggregate principal amount of 7.77% Promissory Notes, Series B (the "Series B
Notes"), of which this Note is one, all issued or to be issued pursuant to
separate and several loan agreements each dated as of June 15, 1995 entered
into by the Company with the lenders therein referred to.





                                     B-74
<PAGE>   75




             Section 2.     Exchanges;.  The holder of this Series B Note, or
of any note or Notes substituted therefor pursuant to the provisions of this
section 2, may at its option, in person or by duly authorized attorney,
surrender the same for exchange at the principal office of the Company in
Northfield, Illinois accompanied by a written instrument of transfer duly
executed by the registered holder hereof and, within a reasonable time
thereafter and without expenses (other than transfer taxes, if any), receive in
exchange therefor one or more duly executed printed Note or Notes, each of the
same series, in the principal amount of $100,000 or any integral multiple of
$10,000 in excess thereof, dated as of the date to which interest has been paid
on the Note or Notes so surrendered or, if no interest has yet been so paid,
then dated the date hereof, and payable to such person or persons as may be
designated by such holder, for the same aggregate principal amount as the then
unpaid principal amount of the Note or Notes so surrendered.  The Company
covenants and agrees to take and cause to be taken all action necessary to
effect such exchanges.

             Section 3.     Payments to Registered Holder;.  The person in
whose name this Note is registered shall be deemed to be and treated as the
owner and holder hereof for all purposes and payment of or on account of the
principal, premium, if any or interest hereon shall be made to or upon the
written order of the registered holder.

             Section 4.     Prepayment of Notes;.

          (A)    Required Prepayments;.  In addition to paying the entire
outstanding principal amount and the interest due on the Series B Notes on the
maturity date thereof, on June 30 in each year, commencing June 30, 2000 and
ending June 30, 2009 (herein called "fixed payment dates") both inclusive the
Company will prepay and apply and there shall become due and payable the sum of
$2,727,273 on the principal indebtedness evidenced by the Series B Notes.  No
premium shall be payable in connection with any required prepayment made
pursuant to this paragraph 4(A).  Any payment of less than all of the Series B
Notes pursuant to the provisions of paragraphs (B), (C) or (D) of this section
4 shall not relieve the Company of the obligation to make the required payments
or prepayments on the Series B Notes in accordance with the terms of this
paragraph 4(A); provided, however, that if and to the extent that any
prepayment of Series B Notes pursuant to the provisions of paragraph 4(D) below
does not result in the prepayment of all of the prepayment of all of the Series
B Notes then outstanding, the remaining prepayments required to be made
pursuant to this paragraph 4(A) shall, in each case, be reduced in the same
proportion that the principal amount of Series B Notes outstanding immediately
prior to such prepayment pursuant to paragraph 4(D) is reduced by such
prepayment.

          (B)    Optional Prepayments without Premium;.





                                     B-75
<PAGE>   76




                  (x)     On a Fixed Payment Date.  Upon compliance with
         section 6 the Company shall have the privilege (which shall be non
         cumulative) of prepaying outstanding Series B Notes on any fixed
         payment date in units of $100,000 or an integral multiple of $10,000
         in excess thereof, by payments of the principal amount of the Series B
         Notes to be prepaid and accrued interest thereon to the date of such
         payment and without premium; provided however that (i) the principal
         amount of Series B Notes prepaid pursuant to this subparagraph 4(B)(x)
         on any one fixed payment date shall not exceed the principal amount of
         the Series B Notes required to be prepaid pursuant to paragraph 4(A)
         on such fixed payment date, (ii) the aggregate amount of all Series B
         Notes prepaid pursuant to this subparagraph 4(B)(x) shall not exceed
         an amount equal to the excess, if any, of $10,000,000 over the
         aggregate amount of all Series A Notes prepaid pursuant to
         subparagraph 4(B)(y), and (iii) the Company shall have, concurrently
         with such prepayment, prepaid the same pro rata portion of the Series
         A Notes pursuant to the provisions of subparagraph 4(B)(x) of said
         Series A Notes.

                  (y)     Upon Sale of Phthalic Anhydride Assets.  In the event
         that the Company shall have sold 50% or more of the assets relating to
         its phthalic anhydride operations, the Company shall have the
         privilege, upon compliance with section 6, of applying all or any
         portion of the net cash proceeds from such sale to the prepayment of
         outstanding Series B Notes (but if less than all of the Series B Notes
         are then to be prepaid pursuant to this subparagraph 4(A)(y), then in
         units of $100,000 or an integral multiple of $10,000 in excess
         thereof) by payment of the principal amount of the Series B Notes to
         be prepaid and accrued interest thereon to the date of such prepayment
         and without premium; provided, however, that (a) such prepayment shall
         occur on or prior to June 30, 1996, (b) the Company shall have,
         concurrently with such prepayment, prepaid the same pro rata portion
         of the Series A Notes pursuant to the provisions of subparagraph
         4(B)(y) of said Series A Notes and (c) that notice of any prepayment
         pursuant to this subparagraph 4(B)(y) shall be made within 30 days of
         such sale.

          (C)    Optional Prepayment with Premium;.  In addition to the
prepayments required by paragraph 4(A) and the rights of prepayment set forth
in 4(B) the Company shall have the privilege at any time and from time to time
of prepaying the outstanding Series B Notes either in whole or in part (but if
in part then in units of $1,000,000 or an integral multiple of $10,000 in
excess thereof) by payment of the principal amount of the Series B Notes or the
portion thereof to be prepaid and accrued interest thereon to the date of such
prepayment together with the make whole premium amount; provided that the
Company shall have, concurrently with such prepayment, prepaid the same pro
rata portion of the Series A Notes pursuant to the provisions of paragraph 4(C)
of said Series A Notes.





                                     B-76
<PAGE>   77




         For purposes of this paragraph 4(C) and section 12 below:

                 The term "make whole premium amount" shall mean, to the extent
         that the adjusted treasury reinvestment yield at such time is lower
         than 7.77% per annum, the excess of (a) the present value of the
         remaining scheduled principal and interest payments and prepayments to
         become due on that portion of the Series B Notes to be prepaid, taking
         into account the required application of such prepayment to the
         scheduled payments and prepayments on the Series B Notes, all
         determined by discounting such payments and prepayments at a rate that
         is equal to the adjusted treasury reinvestment yield, over (b) the
         aggregate principal amount of the Series B Notes plus accrued interest
         to be paid or prepaid.  To the extent that the adjusted treasury
         reinvestment yield at the time of such prepayment or payment is equal
         to or higher than 7.77% per annum, the make whole premium amount is
         zero.

                 The term "adjusted treasury reinvestment yield" shall mean, as
         of the date of any determination thereof, the sum of (i) the then
         applicable treasury reinvestment yield, plus (ii) 50 basis points.

                 The term "treasury reinvestment yield" shall be (a) the yield
         reported on the third business day preceding the date of prepayment or
         payment on page "USD" of the Bloomberg Financial Markets Service
         Screen (or, if not available, any other nationally recognized trading
         screen reporting on-line intraday trading in United States government
         securities) at 10:00 A.M. (New York time) for United States government
         securities having a maturity corresponding to the remaining weighted
         average life to maturity of the principal of the Series B Notes as of
         the date of such prepayment or payment, as the case may be, rounded to
         the nearest month, or (b) in the event that no such nationally
         recognized trading screen reporting on-line trading in United States
         government securities is available, "treasury reinvestment yield"
         shall mean the arithmetic mean of the yields published in the weekly
         statistical release designated H.15(519) of the Federal Reserve System
         under the caption "U.S. Government Securities-Treasury Constant
         Maturities" (the "statistical release") or if the statistical release
         is not published, the arithmetic mean of such reasonably comparable
         index as may be designated by the holders of at least 51% in aggregate
         principal amount of the outstanding Series B Notes, for the maturity
         corresponding to the remaining weighted average life to maturity of
         the Series B Notes as of the date of such prepayment or payment, as
         the case may be, rounded to the nearest month.  If no maturity exactly
         corresponds to such rounded weighted average life to maturity, the
         yields for the two most closely corresponding published maturities
         shall be calculated pursuant to the immediately preceding sentence and
         the treasury reinvestment yield shall be interpolated from such yields
         on a straight-line basis,





                                     B-77
<PAGE>   78




         rounding in each of such relevant periods to the nearest month.  For
         purposes of calculating the treasury reinvestment yield, the most
         recent statistical release published prior to the third business day
         preceding the date of prepayment or payment shall be used.

                 The term "weighted average life to maturity" shall mean as at
         the time of the determination thereof the number of years obtained by
         dividing the then remaining dollar-years of the Series B Notes by the
         aggregate amount of all remaining scheduled principal and interest
         payments (including the payments at final maturity) to be made on the
         Series B Notes.  The term "remaining dollar-years" of the Series B
         Notes means the product obtained by (1) multiplying (A) the amount of
         each of the remaining scheduled principal and interest payments
         (including the payments at final maturity), by (B) the number of years
         (calculated at the nearest one-twelfth) which will elapse between the
         date of determination of the weighted average life to maturity of the
         Series B Notes and the date of required payment is due and (2)
         totaling all the products obtained in (1).

          (D)    Prepayment on Failure of Holders to Consent to Change of
Control;.  In the event that the Company shall request the holders of the
Series B Notes in writing to consent to a change of control and the holder or
holders of any Series B Notes shall, within 30 days following the receipt of
such a request, have refused in writing to consent to a change of control, then
the Company may, at any time within 5 days after the earlier of (x) the receipt
of a response to such request from the holder or holders of 100% of the
outstanding Series B Notes, or (y) the expiration of such 30 day period, and
upon not less than three business days prior written notice, prepay all (but
not less than all) Series B Notes held by each holder which has refused to
consent to such change of control by prepayment of the principal amount thereof
and accrued interest thereon to the date of such prepayment.  Any holder which
has failed to respond to such request prior to the expiration of such 30 day
period shall, for purposes hereof, be deemed to have consented to such change
of control.  Any request by the Company made pursuant to this paragraph 4(D)
shall set forth (i) a summary of the transaction or transactions causing the
change of control, (ii) the name and address of the "person" described in
clause (i) or (ii) of the definition of the term "change of control" set forth
below, (iii) such financial or other information as would be reasonably
necessary for each holder to make an informed decision with respect to such
request, and (iv) a statement as to whether, at the time of such change of
control and after giving effect thereto, either any event of default or any
event which, with the passage of time or giving of notice, or both, would
become an event of default, shall have occurred and be continuing.  In the
event that the Company shall receive a response to its request from any holder
of a Series B Note, it will promptly advise, in writing, all other holders of
Series B Notes of such response and the source and content thereof.





                                     B-78
<PAGE>   79




         For purposes of this paragraph 4(D) and paragraphs 8(K) and 12(H)
below, the term "change of control" shall mean and shall be deemed to have
occurred, (i) upon the acquisition by any "person" (as that term is used in
Sections 13(d) and 14(d)(2) of the Securities Exchange Act of 1934, as amended)
of beneficial ownership, direct or indirect, of more than 50% of the
outstanding voting stock of the Company, or (ii) upon the acquisition of the
Company, or all or substantially all of its assets by, or the combination of
the Company, or all or substantially all of its assets with, another "person"
(as defined above), unless the acquiring or surviving "person" shall be a
corporation more than 50% of the outstanding voting stock of which is owned,
immediately after such acquisition or combination, by the owners of the voting
stock of the Company immediately prior to such acquisition or combination.  The
term "acquisition" shall mean the earlier to occur of (x) the actual possession
of the subject voting stock or assets, and (y) the consummation of any
transaction or series of related transactions which, with the passage of time,
will give such person the actual possession thereof.  The term "voting stock"
shall mean securities of any class or classes, the holders of which are
ordinarily, in the absence of contingencies, entitled to elect a majority of
the corporate directors (or persons performing similar functions).

             Section 5.     Partial Prepayments to be Pro Rata where More than
One Series B Note Outstanding;.  In  the event of any prepayment of less than
all of the outstanding Series B Notes pursuant to the provisions of paragraphs
4(A), 4(B) or 4(C), at a time when more than one Series B Note is outstanding,
the principal amount of the Series B Notes so to be prepaid shall be allocated
among the respective Series B Notes and holders thereof so that the principal
amount to be prepaid to each holder pursuant to any section hereof shall bear
the same ratio to the aggregate principal amount then to be prepaid pursuant to
such section as the principal amount of Series B Notes then held by such holder
bears to the aggregate principal amount of all Series B Notes then outstanding,
except that if upon any allocation on such basis the amounts so to be prepaid
to any such holder pursuant to any section hereof would not be an exact
multiple of $1,000, then additional or lesser amounts not exceeding $1,000 may
be allocated by the Company to such holder, or if the amount so to be prepaid
to any such holder pursuant to such section would be less than $1,000, then no
amount need be allocated to such holder, in each such case so long as
allocations of prepayments among the respective Notes and holders thereof shall
be appropriate to maintain, from time to time, through successive partial
prepayments as nearly as practicable the ratio above provided.  Prepayments of
Series B Notes pursuant to the provisions of paragraph 4(D) shall be allocated
as therein provided.

             Section 6.     Notice of Prepayment and Other Notices;.

                    (A)     Prepayment Notice;.  If the Company shall elect to
prepay this Note or any portion hereof pursuant to paragraph 4(B) or 4(C), the
Company shall give notice of such





                                     B-79
<PAGE>   80




prepayment in writing not less than 30 nor more than 60 days prior to the date
fixed for such prepayment, specifying (i) the prepayment date, (ii) the
principal amount to be prepaid on this Note and on all the other outstanding
Notes, (iii) an estimate of the make whole premium amount, if any, applicable
to the prepayment of this Note, and (iv) accrued interest applicable to such
prepayment.  A computation of the amount, if any, of any make whole premium
amount payable in connection with a prepayment of this Note shall be furnished
to the holder hereof as soon as practicable after determination of such premium
and, in all events, not less than three business days prior to the date of such
prepayment.

          (B)    Mailing of Notices;.  Such notice of prepayment, and all other
notices to be given to any holder of this Note, shall be sent by prepaid
overnight courier to the payee herein named, irrespective of whether the payee
is the holder of this Note; provided, however, that if any subsequent holder of
this Note shall have presented it to the Company for inspection at the office
of the Company maintained as provided in paragraph (A) of section 8, and shall
have delivered to the Company at such office a written notice of the
acquisition by such holder of this Note and designated in writing an address to
which notices in respect of this Note shall be mailed, such notices shall be
sent to such holder at such designated address instead of to the payee herein
named.  All notices to be given to any holder of this Note shall be deemed to
have been given only upon actual receipt by such holder.  In the case of a
properly addressed notice, the Company shall not be required to determine the
authority of any person signing or initialling a confirmation of receipt.

             Section 7.     Notes Due and Interest Ceases on Prepayment Date;
Evidence of Partial Prepayment; New Notes.  Upon notice of prepayment being
given as in this Note provided, the Company shall be obligated to prepay, at
the principal office of the Company in Northfield, Illinois, on the date
specified in such notice, this Note or such portion hereof to be prepaid as is
specified in such notice at the principal amount thereof, plus accrued interest
thereon to the date so specified and the applicable make whole premium amount,
if any.  If this Note is designated for prepayment in whole or in part as
hereinbefore provided, then this Note or such portion hereof as is designated
for prepayment, as the case may be, shall cease to bear interest on and after
the date fixed for such prepayment provided such prepayment is duly made.  Upon
the due prepayment in part of this Note, the holder hereof shall surrender it
to the Company, which shall thereupon issue and deliver, without charge to such
holder, a new Note for the unpaid balance of this Note; provided, however, that
instead of surrendering this Note as aforesaid, the holder of this Note may, at
its option, present this Note to the Company for notation hereon of the payment
of the portion of the principal of this Note so prepaid and this Note shall
thereupon be returned to or on the order of the holder hereof.  To the extent
that any of the Notes are fully prepaid they shall be cancelled and may not be
redelivered.  Any new Note made and delivered in accordance with the provisions
of this section 7 shall be dated as of the date to which interest has been





                                     B-80
<PAGE>   81




paid on the indebtedness to be evidenced by such new Note, or if no interest
has yet been so paid, then dated the date hereof.

             Section 8.     Affirmative Covenants;.  The Company covenants and
agrees that so long as this Note shall be outstanding:

                  (A)     Maintenance of Office or Agency;.  The Company will
         maintain an office in Northfield, Illinois or at such other place
         hereafter designated in writing by the Company by notice to the holder
         of this Note, where notices, presentations and demands to or upon the
         Company in respect of this Note may be given or made.

                  (B)     Payment of Principal, Premium and Interest;.  The
         Company will punctually pay or cause to be paid the principal and
         interest, and premium, if any, to become due in respect of all the
         Notes according to the terms thereof.

                  (C)     Maintenance of Corporate Existence;.  The Company
         will at all times do or cause to be done all things necessary to
         maintain, preserve and renew its corporate existence and the corporate
         existence of each of its subsidiaries and its and their rights,
         patents and franchises, and comply with and cause each subsidiary to
         comply with, all related laws applicable to the Company or its
         subsidiaries in such manner as counsel shall advise; provided,
         however, that nothing contained in this paragraph (C) shall (1)
         require the Company or any subsidiary to comply with any law so long
         as the validity or applicability thereof shall be contested in good
         faith, (2) require the Company or any subsidiary to maintain, preserve
         or renew any right or franchise not necessary or desirable in the
         conduct of the business of the Company or of such subsidiary, as the
         case may be, (3) prevent the termination of the corporate existence of
         any subsidiary if in the opinion of the Board of Directors of the
         Company such termination is in the best interest of the Company and
         not disadvantageous to the holders of the Notes, or (4) prevent any
         transaction by a subsidiary permitted by the provisions of clause (4)
         or (5) of paragraph (B) of section 9, or any transaction by the
         Company permitted by the provisions of paragraph (I) of section 9.

                  (D)     Properties;.  The Company will, in so far as it is
         not prevented by causes beyond its control, at all times maintain,
         preserve, protect and keep, or cause to be maintained, preserved,
         protected and kept, its property and the property of its subsidiaries
         in good repair, working order and condition and, from time to time,
         will, in so far as it is not prevented by causes beyond its control,
         make or cause to be made all repairs, renewals, replacements,
         extensions, additions, betterments and improvements to its property
         and the property of its subsidiaries as are needful and





                                     B-81
<PAGE>   82




         proper, so that the business carried on in connection therewith may be
         conducted properly and efficiently at all times; provided, however,
         that nothing in this paragraph (D) shall prevent the Company or any
         subsidiary from selling, abandoning or otherwise disposing of any
         property if such property is no longer of use in the business of the
         Company or the subsidiary owning the same, and if, in the opinion of
         the Company, such sale, abandonment or other disposition is in the
         best interest of the Company or such subsidiary and not
         disadvantageous to the holders of the Notes.

                  (E)     Insurance;.  The Company will provide or cause to be
         provided for itself and its subsidiaries such insurance against loss
         or damage of the kinds customarily insured against by corporations
         similarly situated, with reputable insurers, in such amounts and by
         such methods as shall be adequate, and will at all times maintain or
         cause to be maintained in full force and effect, with reputable
         insurers and in such amounts and by such methods as shall be adequate,
         public liability insurance against loss or damage to it or its
         subsidiaries for bodily injury or death in or about any premises
         occupied by it or its subsidiaries, and liability insurance against
         loss or damage to it or its subsidiaries for bodily injury or death or
         injury to property occurring by reason of the operation by it or its
         subsidiaries of any motor vehicle.

                  (F)     Payment of Taxes, Assessments, Etc;.  The Company
         will duly pay and discharge, and cause each of its subsidiaries to
         duly pay and discharge, as the same become due and payable, all taxes,
         assessments and governmental and other charges and claims levied or
         imposed, or which if unpaid might become a lien or charge, upon the
         franchises, assets, earnings or business of the Company or such
         subsidiary, as the case may be, as well as all lawful claims for
         labor, materials and supplies which, if unpaid, might become a lien or
         charge upon such properties or any part thereof; provided, however,
         that nothing contained in this paragraph (F) shall require the Company
         or any such subsidiary to pay any such tax, assessment, charge or
         claim so long as the Company or such subsidiary in good faith shall
         contest the validity thereof and shall set aside on its books adequate
         reserves with respect thereto.

                  (G)     Payment of Indebtedness;.  The Company will, and will
         cause each of its subsidiaries to, pay punctually and discharge when
         due, or renew or extend (except as otherwise prohibited by this Note),
         any indebtedness heretofore or hereafter incurred by it or any of
         them, as the case may be, and discharge, perform and observe the
         covenants, provisions and conditions to be performed, discharged and
         observed on the part of the Company or such subsidiary, as the case
         may be, in connection therewith, or in connection with any agreement
         or other instrument relating thereto, or in connection with any
         mortgage, pledge, security interest or other





                                     B-82
<PAGE>   83




         lien existing at any time upon any of the property or assets of the
         Company or such subsidiary, as the case may be; provided, however,
         that nothing contained in this paragraph (G) shall require the Company
         or any such subsidiary to pay or discharge or renew or extend any such
         indebtedness or to discharge, perform or observe any such covenants,
         provisions and conditions so long as the Company or such subsidiary in
         good faith shall contest any claim which may be asserted against it in
         respect of any such indebtedness or of any such covenants, provisions
         and conditions and shall set aside on its books adequate reserves with
         respect thereto.

                  (H)     Keeping of Books;.  The Company will, and will cause
         each subsidiary to, (1) at all times keep proper books of record and
         account in which full, true and correct entries will be made of its
         transactions in accordance with good accounting practice; and (2) set
         aside on its books from its earnings, for the fiscal year ending
         December 31, 1995, and each fiscal year thereafter, reserves for
         depreciation, obsolescence and/or amortization of its properties
         during such year and all other proper reserves which, in accordance
         with good accounting practice, should be set aside from such earnings
         in connection with its business.

                  (I)     Compliance with Law;.  The Company will, and will
         cause each of its subsidiaries to, use its best efforts to comply with
         all applicable statutes, regulations, orders and restrictions of the
         United States of America, foreign countries, states, provinces,
         municipalities and agencies and instrumentalities of the foregoing, in
         respect of the conduct of its respective business and the ownership of
         its respective property (including, without limitation, applicable
         statutes, regulations, orders and restrictions relating to equal
         employment opportunities and environmental standards and controls),
         except such as are being contested in good faith or with respect to
         which compliance shall have been waived or extended by the applicable
         governmental authority.

                  (J)     Notice of Default;.  If any one or more of the events
         of default specified in section 12 shall occur, or if the holder of
         any Note shall demand payment or take  any other action permitted upon
         the occurrence of any such event of default, the Company will at once
         give notice to all holders of the Notes, specifying the nature of the
         event of default or of such demand or other action, as the case may
         be.  In the event any indebtedness of the Company (other than the
         Notes) is declared due and payable before its expressed maturity
         because of the occurrence of an event of default thereunder, or under
         any instrument or agreement pursuant to which such indebtedness is
         issued or securing such indebtedness, the Company will at once give
         notice in writing of such happening to all holders of the Notes.





                                     B-83
<PAGE>   84




                  (K)     Notice of Change of Control;.  The Company will,
         within two business days of becoming aware of a change of control (as
         defined in paragraph 4(D)), give notice thereof to all holders of the
         Notes.

             Section 9.     Negative Covenants;.  The Company covenants and
agrees that so long as this Note shall be outstanding:

                  (A)     Limitations on Funded Indebtedness;.  The Company
         will not create, incur, issue, assume or become or be liable,
         contingently or otherwise, in respect of any funded indebtedness other
         than

                           (1)    funded indebtedness outstanding as of June
                 15, 1995 and reflected on Schedule C to the loan agreements
                 and funded indebtedness represented by the Notes;

                           (2)    secured funded indebtedness incurred or
                 assumed subsequent to June 15, 1995 solely for the purpose of
                 financing the acquisition of property and secured only as
                 permitted under clauses (2), (3) and (4) of paragraph (C) of
                 this section 9, but only in an amount not exceeding the
                 maximum amount of additional unsecured funded indebtedness
                 which the Company could then incur under clause (3) of this
                 paragraph (A), provided that for purposes of this Note,
                 secured funded indebtedness shall not include indebtedness for
                 money borrowed by the Company against or secured by the cash
                 surrender value of life insurance maintained by the Company on
                 officers or directors of the Company, which indebtedness shall
                 constitute unsecured funded indebtedness for all purposes of
                 this Note;

                           (3)    unsecured funded indebtedness incurred or
                 assumed subsequent to June 15, 1995 if, and to the extent
                 that, immediately after giving effect thereto and the
                 application of the proceeds thereof, consolidated funded
                 indebtedness does not exceed an amount equal to 55% of
                 consolidated capitalization, it being understood that the test
                 of this clause (3) is one of incurrence only;

                           (4)    indebtedness taking the form of a guaranty of
                 indebtedness of any other person permitted by clause (3) of
                 paragraph (D) of this section 9, but only if, and to the
                 extent that, immediately after giving effect thereto, the
                 limitations set forth in clause (3) of this paragraph (A)
                 shall be satisfied, all such guaranties being treated as
                 funded indebtedness for the purpose of clause (3) of this
                 paragraph (A); and





                                     B-84
<PAGE>   85




                           (5)    funded indebtedness of the Company incurred
                 solely for the purpose of extending, renewing or refunding any
                 funded indebtedness of the Company then outstanding and
                 permitted by this paragraph (A), but only if, and to the
                 extent that, immediately after giving effect thereto, the
                 limitations set forth in clause (3) of this paragraph (A)
                 shall be satisfied.

                  (B)     Limitations on Restricted Subsidiaries;. The Company
will not cause, suffer or permit any restricted subsidiary to

                           (1)    create, incur, issue, assume or become or be
                 liable, contingently or otherwise, in respect of any
                 indebtedness except (a) indebtedness to the Company or to a
                 wholly-owned restricted subsidiary, (b) unsecured accounts
                 payable and other unsecured obligations (other than as a
                 result of borrowing) incurred in the ordinary course of
                 business of such subsidiary, and (c) indebtedness in addition
                 to that described in subclauses (a) and (b) above; provided
                 that the aggregate principal amount of all such indebtedness
                 permitted by this subclause (c) shall not at any time exceed
                 10% of consolidated capitalization of the Company and its
                 restricted subsidiaries; and provided further that the sum,
                 without duplication, of (x) the aggregate unpaid principal
                 amount of all such indebtedness permitted by this subclause
                 (c), (y) the aggregate unpaid principal amount of all
                 indebtedness of the Company secured pursuant to the provisions
                 of clauses (2), (3) and (4) of paragraph (C) of this section
                 9, and (z) the aggregate amount of liabilities of the Company
                 and its restricted subsidiaries secured by liens permitted
                 pursuant to the provisions of clause (11) of paragraph (C) of
                 this section 9, shall not at any time exceed 20% of
                 consolidated capitalization of the Company and its restricted
                 subsidiaries; or

                           (2)    issue or sell any shares of its capital stock
                 or securities convertible into such capital stock except (a)
                 issuance or sale of directors' qualifying shares, (b) issuance
                 or sale to the Company or to any wholly-owned restricted
                 subsidiary, and (c) issuance or sale of additional shares of
                 stock of any such subsidiary to any holders thereof entitled
                 to receive or purchase such additional shares through the
                 declaration of a stock dividend or through the exercise of
                 preemptive rights; or

                           (3)    sell, assign, transfer or otherwise dispose
                 of any shares of capital stock of any class of any other
                 restricted subsidiary, or any other security of, or any
                 indebtedness owing to it by, any other restricted subsidiary
                 (except in each case to the Company or to a wholly-owned
                 restricted subsidiary) unless





                                     B-85
<PAGE>   86




                 such sale, assignment, transfer or other disposition shall
                 meet all the conditions set forth in paragraph (G) of this
                 section 9 which would be applicable to a similar disposition
                 made by the Company; or

                           (4)    consolidate with or merge into any other
                 corporation or permit any other corporation to merge into it,
                 except a merger into or consolidation with (a) the Company,
                 (b) any wholly-owned restricted subsidiary or (c) any other
                 corporation if, immediately thereafter, (x) the surviving
                 corporation shall be a restricted subsidiary, (y) the Company
                 shall be in full compliance with all the terms and provisions
                 of the Notes, and (z) the surviving corporation would be
                 permitted to incur at least $1.00 of additional unsecured
                 funded indebtedness pursuant to the provisions of section
                 9(A)(3) hereof; or

                           (5)    sell, lease, transfer or otherwise dispose of
                 all or any substantial part of its property and assets except
                 (a) to the Company or any wholly-owned restricted subsidiary
                 or (b) in the case of a sale to any other person, in
                 compliance with all applicable requirements of paragraphs (G)
                 and (I) of this section 9; or

                           (6)    make any investments or commitments to make
                 investments except as expressly permitted by paragraph (E) of
                 this section 9.

                 Any corporation which becomes a restricted subsidiary after
         the date hereof shall for all purposes of this paragraph (B) be deemed
         to have created, assumed or incurred, at the time it becomes a
         restricted subsidiary, all indebtedness of such corporation existing
         immediately after it becomes a restricted subsidiary.

                  (C)     Limitations on Liens;.  The Company will not itself,
         and will not permit or suffer any restricted subsidiary to, create or
         incur or suffer to be created or incurred or to exist any mortgage,
         lien, security interest, charge or encumbrance of any kind on, or
         pledge of, any property or assets of any kind, real or personal,
         tangible or intangible, of the Company or any such subsidiary, whether
         owned on the date of original issue of the Notes or thereafter
         acquired, or acquire or agree to acquire any property or assets of any
         kind under a conditional sale agreement or other title retention
         agreement or file or permit the filing of any financing statement
         under the Uniform Commercial Code or other similar notice under any
         other similar statute without equally and ratably securing the Series
         B Notes with all other obligations secured thereby and which security
         shall be created and conveyed by documentation satisfactory in scope,
         form and substance to the holders of at least 66-2/3% in aggregate
         principal amount of the outstanding Series B Notes and which





                                     B-86
<PAGE>   87




         security shall continue in full force and effect until either (x) the
         same is released by the holders of at least 66-2/3% in aggregate
         principal amount of outstanding Series B Notes, (y) all other
         obligations secured thereby are discharged, or (z) the security is
         released by the holders of all such other obligations, and in any case
         the Series B Notes shall have the benefit, to the full extent that the
         holders may be entitled thereto under applicable law, of an equitable
         lien on such property or assets equally and ratably securing the
         Series B Notes; provided, however, that the provisions of this
         paragraph (C) shall not prevent or restrict the creation, incurring or
         existence of any of the following:

                           (1)    any mortgage, lien, security interest, charge
                 or encumbrance on, or pledge of, any property or assets of any
                 such subsidiary to secure indebtedness owing by it to the
                 Company or a wholly-owned restricted subsidiary;

                           (2)    purchase money mortgages or other liens on
                 real property (including leaseholds) and fixtures thereon,
                 acquired by the Company or any such subsidiary, to secure the
                 purchase price of such property (or to secure indebtedness
                 incurred solely for the purpose of financing the acquisition
                 of any such property to be subject to such mortgage or other
                 lien) and created contemporaneously with such acquisition or
                 within 180 days thereafter, or mortgages or other liens
                 existing on any such property at the time of acquisition of
                 such property by the Company or by such subsidiary, whether or
                 not assumed, or any mortgage or lien on real property of such
                 subsidiary existing at the time of acquisition of such
                 subsidiary, provided that at the time of the acquisition of
                 the property by the Company or a restricted subsidiary, or at
                 the time of the acquisition of the restricted subsidiary by
                 the Company, as the case may be, (a) the principal amount of
                 the indebtedness secured by each such mortgage or lien, plus
                 the principal amount of all other indebtedness secured by
                 mortgages or liens on the same property, shall not exceed 75%
                 (100% in the case of capitalized leases) of the cost (which
                 shall be deemed to include the amount of all indebtedness
                 secured by mortgages or other liens, including existing liens,
                 on such property) of such property to the Company or any such
                 subsidiary, or 75% (100% in the case of capitalized leases) of
                 the fair value thereof (without deduction of the indebtedness
                 secured by mortgages or liens on such property) at the time of
                 the acquisition thereof by the Company or such subsidiary,
                 whichever is the lesser, and (b) every mortgage or lien shall
                 apply only to the property originally subject thereto and
                 fixed improvements constructed thereon;





                                     B-87
<PAGE>   88




                           (3)    refundings or extensions of the mortgages or
                 liens permitted in the foregoing clause (2) for amounts not
                 exceeding the principal amounts of the indebtedness so
                 refunded or extended at the time of the refunding or extension
                 thereof, and applying only to the same property theretofore
                 subject to the same and fixed improvements constructed
                 thereon;

                           (4)    the owning or acquiring or agreeing to
                 acquire machinery or equipment useful for the business of the
                 Company or any such subsidiary subject to or upon chattel
                 mortgages or conditional sale agreements or other title
                 retention agreements, provided that the principal amounts of
                 the indebtedness secured by such chattel mortgages, plus the
                 aggregate amounts payable under such conditional sale
                 agreements and other title retention agreements, shall not
                 exceed the limitations set forth in clause (2) of paragraph
                 (A) of this section 9;

                  (5)     deposits, liens or pledges to enable the Company or
         any such subsidiary to exercise any privilege or license, or to secure
         payments of workmen's compensation, unemployment insurance, old age
         pensions or other social security, or to secure the performance of
         bids, tenders, contracts (other than for the payment of money) or
         leases to which the Company or any such subsidiary is a party, or to
         secure public or statutory obligations of the Company or any such
         subsidiary, or to secure surety, stay or appeal bonds to which the
         Company or any such subsidiary is a party, but, as to all of the
         foregoing, only if the same shall arise and continue in the ordinary
         course of business; or other similar deposits or pledges made and
         continued in the ordinary course of business;

                  (6)     mechanic's, workmen's, repairmen's or carriers'
         liens, but only if arising, and only so long as continuing, in the
         ordinary course of business; or other similar liens arising and
         continuing in the ordinary course of business; or deposits or pledges
         in the ordinary course of business to obtain the release of any such
         liens;

                  (7)     liens arising out of judgments or awards against the
         Company or any such subsidiary with respect to which the Company or
         such subsidiary shall in good faith be prosecuting an appeal or
         proceedings for review; or liens incurred by the Company or any such
         subsidiary for the purpose of obtaining a stay or discharge in the
         course of any legal proceeding to which the Company or such subsidiary
         is a party;

                  (8)     liens for taxes not yet subject to penalties for
         non-payment or contested as permitted by paragraph (F) of section 8,
         or minor survey exceptions, or minor





                                     B-88
<PAGE>   89




         encumbrances, easements or reservations of, or rights of others for,
         rights of way, sewers, electric lines, telegraph and telephone lines
         and other similar purposes, or zoning or other restrictions as to the
         use of real properties, which encumbrances, easements, reservations,
         rights and restrictions do not in the aggregate materially detract
         from the value of said properties or materially impair their use in
         the operation of the business of the Company or of such subsidiary
         owning the same;

                  (9)     liens:  (i) in favor of the United States of America
         or any department or agency thereof or in favor of a prime contractor
         under a United States Government contract, and (ii) resulting from the
         acceptance of progress or partial payments under United States
         Government contracts or subcontracts thereunder;

                 (10)     any arrangement permitted by paragraph (J) of this
         section 9;

                 (11)     inchoate liens arising under the Employee Retirement
         Income Security Act of 1974, as amended, to secure contingent
         liabilities under said Act;

                 (12)     security interest evidenced by a UCC-1 financing
         statement to secure an obligation not exceeding $1,000,000 in favor of
         Millmaster/Onyx Chemical Company as vendor of certain chemical
         inventories located in Northfield, Illinois; or

                 (13)     liens on accounts receivable and ancillary rights
         sold (or in which participating interests are sold) in compliance with
         all applicable requirements of paragraph (I) of this section 9

         provided however that

                           (x)    the aggregate unpaid principal amount of all
                 indebtedness of the Company and its restricted subsidiaries
                 secured by the mortgages or liens permitted by clauses (2),
                 (3) and (4) of this paragraph (C) shall not at any time exceed
                 an amount equal to 10% of consolidated capitalization; and

                           (y)    the sum, without duplication, of

                           (i)    the aggregate unpaid principal amount of all
                 indebtedness of the Company secured by the mortgages or liens
                 permitted by clauses (2), (3) and (4) of this paragraph (C);





                                     B-89
<PAGE>   90




                          (ii)    the aggregate unpaid principal amount of all
                 indebtedness of restricted subsidiaries permitted by subclause
                 (c) of clause (1) of paragraph (B) of this section 9; and

                         (iii)    the aggregate amount of liabilities of the
                 Company and its restricted subsidiaries secured by liens
                 permitted pursuant to the provisions of clause (11) of this
                 paragraph (C)

         shall not at any time exceed an amount equal to 20% of consolidated
         capitalization.

                 For purposes of this Series B Note, the Company or a
         restricted subsidiary shall be deemed to be the owner of any property
         which it has acquired or holds subject to a conditional sale
         agreement, capitalized lease or other arrangement pursuant to which
         title to the property has been retained by or vested in some other
         person for security purposes and such retention or vesting shall
         constitute a lien hereunder.

                  (D)     Limitations on Guaranties;.  The Company will not
         itself, and will not permit any restricted subsidiary to, guarantee
         any dividend, or guarantee any obligation or indebtedness, of any
         other person other than (1) guarantees by the Company of obligations
         or indebtedness of a restricted subsidiary which such subsidiary shall
         be authorized to incur pursuant to the provisions of this Note, (2)
         guaranties incurred in the ordinary course of business of the Company
         or of a restricted subsidiary, and (3) guarantees by the Company of
         indebtedness of persons other than restricted subsidiaries to the
         extent permitted by clause (4) of paragraph (A) of this section 9.

                  (E)     Limitation on Investments;.  The Company will not
         itself, and will not permit any restricted subsidiary to, make any
         investment, or any commitment to make any investment, if, immediately
         after giving effect to any such proposed investment, (1) the aggregate
         amount of all investments, including investments made prior to the
         date of original issue of the Notes (all such investments to be taken
         at the cost thereof at the time of making such investment without
         allowance for any subsequent write-offs or appreciation or
         depreciation thereof, but less any amount repaid or recovered on
         account of capital or principal), shall exceed 30% of the consolidated
         tangible net worth of the Company and its restricted subsidiaries, or
         (2) consolidated funded indebtedness shall exceed 55% of consolidated
         capitalization.

                  (F)     Limitation on Dividends;.  The Company will not
         declare or pay, or set apart any funds for the payment of, any
         dividends (other than dividends payable in





                                     B-90
<PAGE>   91




         common stock of the Company) on any shares of capital stock of any
         class of the Company, or apply any of its funds, property or assets
         to, or set apart any funds, property or assets for, the purchase,
         redemption or other retirement of, or make any other distribution, by
         reduction of capital or otherwise, in respect of, any shares of
         capital stock of any class of the Company, unless, immediately after
         giving effect to such action (a) the Company would be permitted to
         incur at least $1.00 of additional unsecured funded indebtedness
         pursuant to the provisions of section 9(A)(3) hereof, and (b) the sum
         of

                           (1)    the amounts declared and paid or payable as,
                 or set apart for, dividends (other than dividends paid or
                 payable in common stock of the Company) on, or distributions
                 (taken at cost to the Company or fair value at time of
                 distribution, whichever is higher) in respect of, all shares
                 of capital stock of all classes of the Company subsequent to
                 December 31, 1994, and

                           (2)    the excess, if any, of the amounts applied
                 to, or set apart for, the purchase, redemption or retirement
                 of all shares of capital stock of all classes of the Company
                 subsequent to December 31, 1994, over the sum of (i) such
                 amounts as shall have been received as the net cash proceeds
                 of sales of shares of capital stock of all classes of the
                 Company subsequent to December 31, 1994, plus (ii) the
                 aggregate principal amount of all indebtedness of the Company
                 and its subsidiaries converted into or exchanged for shares of
                 capital stock of the Company subsequent to December 31, 1994,

         would not be in excess of (x) $30,000,000 plus (or minus in the case
         of a deficit) (y) the consolidated net income of the Company and its
         restricted subsidiaries accrued subsequent to December 31, 1994.  The
         foregoing provisions of this paragraph (F) to the contrary
         notwithstanding (i) the Company may pay any dividend within 90 days of
         the date of its declaration if, on the date of declaration, such
         dividend could properly have been paid within the limitations of this
         paragraph (F), and (ii) the Company may pay regular dividends on or
         make payments or purchases required to be made at the time when made
         by the terms of any sinking fund, purchase fund or mandatory
         redemption requirement in respect of any outstanding shares of
         preferred stock of the Company originally issued for cash but all
         amounts so paid or applied pursuant to clauses (i) and (ii) above
         shall be included in any subsequent computation of restricted payments
         under this paragraph (F).  The Company will not declare any dividend
         payable more than 90 days after the date of declaration thereof.  The
         Company will not declare any dividend if an event of default under
         section 12 shall have occurred and be continuing.





                                     B-91
<PAGE>   92




                  (G)     Limitations on Dispositions of Stock or Indebtedness
         of Restricted Subsidiaries;.  The Company will not sell, assign,
         transfer or otherwise dispose of (except to a wholly-owned restricted
         subsidiary) any shares of capital stock of any class of any restricted
         subsidiary, or any other security of, or any indebtedness owing to it
         by, any such subsidiary, unless (1) all of the capital stock and other
         securities and the entire indebtedness of such subsidiary at the time
         owned by the Company and by all its other restricted subsidiaries
         shall be sold, assigned, transferred or otherwise disposed of, at the
         same time, for cash, (2) such subsidiary shall not, at the time of
         such sale, assignment, transfer or other disposition, own either (a)
         any shares of capital stock of any class or any other security or any
         indebtedness of any other restricted subsidiary of the Company which
         is not being simultaneously disposed of as permitted by this paragraph
         (G) or (b) any indebtedness of the Company, and (3) such sale,
         assignment or transfer is permitted by paragraph (I) of this section
         9.

                  (H)     Maintenance of Consolidated Current Assets;.  The
         Company will not permit the consolidated current assets of the Company
         and its restricted subsidiaries to be at any time less than 140% of
         consolidated current indebtedness.

                  (I)     Limitations on Mergers, Consolidations and Sales of
         Assets;.  The Company will not (1) consolidate with or merge into any
         other corporation, or permit any other corporation to merge into the
         Company, unless (a) the surviving or continuing corporation shall be
         the Company, and (b) no event of default under section 12 shall exist
         at the time of, or result from, such merger or consolidation, and (c)
         after giving effect to such consolidation or merger the Company would
         be permitted to incur at least $1.00 of additional funded indebtedness
         under the provisions of paragraph (A)(3) of this section 9; or (2)
         sell, lease, transfer or otherwise dispose of all or any substantial
         part of its property and assets.

                 For the purposes of this paragraph (I) and clause (5) of
         paragraph (B) of this section 9, a sale, lease, transfer or
         disposition of properties or assets of the Company or a restricted
         subsidiary shall be deemed to be of a "substantial part" thereof only
         if the fair market value of such properties or assets, when added to
         the fair market value of all other properties or assets sold, leased,
         transferred or disposed of by the Company and its restricted
         subsidiaries, other than (x) in the ordinary course of business, or
         (y) in an approved transaction, during the 365 day period ending on
         the date of such sale, lease, transfer or disposition exceeds 15% of
         the consolidated assets of the Company and its restricted subsidiaries
         determined as of the end of the Company's immediately preceding fiscal
         year.





                                     B-92
<PAGE>   93




                 As used herein, the term "approved transaction" shall mean any
         sale, lease, transfer or disposition of properties or assets to the
         extent that the Company shall, within 5 business days of such sale,
         lease, transfer or disposition, certify in writing to each holder of
         outstanding Series B Notes that such transaction shall constitute an
         "approved transaction" for all purposes hereof.

                 The company will, on a date not later than the 365th day after
         the occurrence of any approved transaction, apply the net after tax
         proceeds of each approved transaction to either

                           (i)    the purchase, acquisition or construction of
                 capital assets which are useful and to be used in the
                 surfactant, polymer, or specialty chemical business of the
                 Company or a restricted subsidiary, or

                          (ii)    the prepayment of unsecured funded
                 indebtedness of the Company, including the concurrent
                 prepayment of Series B Notes pursuant to the provisions of
                 paragraph 4(C) hereof pro rata with all other unsecured funded
                 indebtedness then being prepaid;

         provided, however, that to the extent that, at any time, the fair
         market value of all properties or assets which were the subject of
         approved transactions (the net after tax proceeds of which have not
         theretofore been applied as contemplated in clause (i) or clause (ii)
         above) exceeds 10% of the consolidated assets of the Company and its
         restricted subsidiaries, determined as of the end of the fiscal year
         of the Company immediately preceding any determination hereunder, the
         Company will, on a date not later than the 30th day after such
         determination, apply the net after tax proceeds of such excess
         approved transactions in the manner contemplated in clause (i) or
         clause (ii) above.

                  (J)     Limitations on Sale-and-Leasebacks;.  The Company
         will not itself, and will not permit any restricted subsidiary to,
         enter into any arrangement, directly or indirectly, with any person
         whereby the Company or such subsidiary shall sell or transfer any
         manufacturing plant or equipment owned or acquired by the Company or
         such subsidiary and then or thereafter rent or lease, as lessee, such
         property or any part thereof, or other property which the Company or
         such subsidiary, as the case may be, intends to use for substantially
         the same purpose or purposes as the property being sold or
         transferred, unless (1) the lease covering such property or other
         property shall be for a term of not less than three years, and (2) the
         Company could then incur unsecured funded indebtedness under clause
         (3) of paragraph (A) of this section 9 in an amount not less than the
         capitalized value of the rentals payable by





                                     B-93
<PAGE>   94




         the Company or such subsidiary, as the case may be, under such lease
         determined in accordance with good accounting practice.

                  (K)     Limitation on Rentals;.  The Company will not itself,
         and will not permit any restricted subsidiary to, enter into, as
         lessee, or be a party to, any lease of property if, immediately after
         giving effect to such lease, the aggregate amount of rentals
         (excluding up to $2,500,000 of tank car rentals incurred during such
         fiscal year and any rentals payable under capitalized leases or under
         leases between the Company and any wholly-owned restricted subsidiary
         or between wholly-owned restricted subsidiaries) for any fiscal year
         of the Company payable by the Company and its restricted subsidiaries
         with respect to all such leases shall exceed 5% of consolidated
         tangible net worth of the Company and its restricted subsidiaries.
         For the purposes of this paragraph (K), the term "rentals," with
         respect to any lease and for any period, shall mean the aggregate
         amount payable by the lessee under such lease for such period to the
         lessor.

                  (L)     Transactions with Affiliates;.  Notwithstanding any
         other provision hereof, the Company will not, and will not permit any
         restricted subsidiary to, directly or indirectly, enter into any
         transaction with any affiliate of the Company (other than a
         wholly-owned restricted subsidiary) unless such transaction is in the
         ordinary course of, and pursuant to the reasonable requirements of,
         the Company's or such restricted subsidiary's business and is
         determined by the Board of Directors of the Company to be at least as
         favorable to the Company or such restricted subsidiary as generally
         obtainable at the time from persons other than affiliates of the
         Company in a similar transaction.

                  (M)     Compliance with ERISA;.

                           (1)    The Company will not, and will not permit any
                 restricted subsidiary to, permit the aggregate value of all
                 vested benefits under all its employee benefit plans which are
                 employee pension benefit plans to exceed on any valuation date
                 the then current value of the assets of such employee benefit
                 plans allocable to such vested benefits unless the Company
                 could issue additional unsecured funded indebtedness pursuant
                 to section 9(A)(3) in an amount at least equal to the amount
                 by which such vested benefits exceed the current value of the
                 assets of such plans allocable to such vested benefits.  All
                 actuarial assumptions and methods used to make each
                 determination required by the preceding sentence shall be
                 reasonable in the aggregate, and shall comply with all
                 requirements of law.  All such employee benefit plans shall
                 have annual or more frequent valuation dates.





                                     B-94
<PAGE>   95




                      If, on any valuation date, after giving effect to any
                 increase in vested benefits, the value of vested benefits
                 under all employee pension benefit plans maintained by the
                 Company and its restricted subsidiaries exceeds the value of
                 plan assets, the amount of any deficit resulting from an
                 increase in vested benefits subsequent to the immediately
                 preceding valuation date shall be amortized and made up during
                 the twelve-month period following the valuation date as of
                 which such deficit was determined, or on such other basis as
                 is agreed to by the Company and the holder or holders of 51%
                 in aggregate principal amount of all outstanding Notes and the
                 holder or holders of the Notes agree that their approval of
                 any such other basis proposed by the Company shall not be
                 unreasonably withheld.  In addition, the Company will make
                 annual contributions in the aggregate sufficient to comply
                 with the Employee Retirement Income Security Act of 1974, as
                 amended ("ERISA") standards as to the funding of employee
                 pension benefit plans.  The Company will make an evaluation at
                 least once a year and also after the occurrence of an event
                 resulting in an extension of pension benefits to additional
                 employees or negotiation of labor contracts increasing pension
                 benefits or any other event which the Company should
                 reasonably expect to increase vested benefits.

                           (2)    The Company will not, and will not permit any
                 subsidiary to, (a) terminate any of its employee benefit plans
                 so as to result in any material liability to the Pension
                 Benefit Guaranty Corporation established pursuant to ERISA,
                 (b) allow or suffer to exist any material prohibited
                 transaction involving any of such employee benefit plans, (c)
                 incur or suffer to exist any material accumulated funding
                 deficiency, whether or not waived, involving any of such
                 employee benefit plans, or (d) allow or suffer to exist any
                 occurrence of any reportable event, or any other event or
                 condition, which presents a material risk of termination of
                 such employee benefit plans by such Pension Benefit Guaranty
                 Corporation so as to result in a material liability to the
                 Pension Benefit Guaranty Corporation.

                           (3)    As used in this paragraph (M), the terms
                 "vested benefits," "employee pension benefit plans,"
                 "accumulated funding deficiency" and "reportable event" shall
                 have the respective meanings assigned to them in ERISA, and
                 the term "prohibited transaction" shall have the meaning
                 assigned to it in Internal Revenue Code Section 4975 and
                 ERISA.

            Section 10.     Consents, Waivers and Modifications;.  Any term,
covenant, agreement or condition of this Series B Note may be amended, or
compliance therewith may be waived (either generally or in a particular
instance and either retroactively or





                                     B-95
<PAGE>   96




prospectively), if the Company shall have obtained the agreement or consent in
writing of the holders of at least 51% in aggregate principal amount of all
outstanding Series B Notes and 51% in aggregate principal amount of all
outstanding Series A Notes; provided, however, that without the agreement or
consent in writing of the holders of all outstanding Notes of each series no
such amendment or waiver shall (i) change the amount or maturity of any
principal of the Notes of either series or any installment or fixed prepayment
thereof or change the rate or extend the time of payment of interest on the
Notes of either series or reduce the amount of principal thereof or premium
with respect thereto or modify any of the provisions of the Notes of either
series with respect to the payment or prepayment thereof, (ii) give to any Note
of either series any preference over any other Note of either series, (iii)
reduce the percentage of holders of Notes of either series required to approve
any such amendment or effectuate any such waiver or (iv) change the definition
of "change of control" set forth in paragraph 4(D).  Any such amendment or
waiver shall apply equally to all holders of the Series B Notes and shall be
binding upon them, upon each future holder of any Series B Note and upon the
Company, whether or not such Note shall have been marked to indicate such
amendment or waiver.  No such amendment or waiver shall extend to or affect any
obligation not expressly amended or waived or impair any right consequent
thereon.

            Section 11.     Definitions;.  For the purposes of this Note, the
following terms shall have the following respective meanings, and any
accounting terms not defined in this Note shall have the respective meanings
given to them in accordance with good accounting practice:

                  (A)     The term "affiliate" of any corporation shall mean
         any person which, directly or indirectly, controls or is controlled by
         or is under common control with such corporation.  For the purposes of
         this definition, "control" (including the correlative meanings of
         "controlling," "controlled by" and "under common control with") shall
         mean the possession, directly or indirectly, of the power to direct or
         cause the direction of the management and policies of such person,
         whether through the ownership of voting securities, by contract or
         otherwise.

                  (B)     The term "assets" of any corporation shall mean, at
         any date, the gross book value as shown by the books of such
         corporation in accordance with good accounting practice of all its
         property, whether real, personal or mixed (exclusive of franchises,
         licenses, permits, patents, patent applications, copyrights,
         trademarks, trade names, good will, experimental or organizational
         expense, leasehold improvements not recoverable at the expiration of a
         lease, unamortized debt discount and expense, deferred charges and
         other intangibles and treasury stock), less the sum (without
         duplication) of (1) all reserves for depreciation, depletion,
         obsolescence and





                                     B-96
<PAGE>   97




         amortization of its properties (other than properties excluded as
         hereinabove provided) as shown by the books of such corporation and
         all other proper reserves which in accordance with good accounting
         practice should be set aside in connection with the business conducted
         by such corporation, other than reserves for contingencies not
         allocated to any particular purpose; and (2) the amount of any
         write-up subsequent to December 31, 1986 in the book value of any
         asset owned by such corporation on such date resulting from the
         revaluation thereof subsequent to such date, or any write-up in excess
         of the cost of any asset acquired by such corporation subsequent to
         such date.

                  (C)     The term "capitalized lease" shall mean any lease
         which, in accordance with good accounting practice, is of such a
         nature that payment obligations of the lessee thereunder shall have
         been or should be capitalized and shown as liabilities (other than
         current indebtedness) upon the balance sheet of such lessee.

                  (D)     The term "consolidated," when used in respect of the
         assets, current assets, current indebtedness and funded indebtedness
         of the Company and its restricted subsidiaries shall mean the
         aggregate of the assets, current assets, current indebtedness, funded
         indebtedness, respectively, of the Company and its restricted
         subsidiaries, after eliminating all intercompany items and all other
         items which should be eliminated in accordance with good accounting
         practice; provided, however, in determining consolidated assets, there
         shall not be included therein any amount on account of the excess of
         (i) the cost of acquisition of shares of any subsidiary over the book
         value of the assets of such subsidiary attributable to such shares on
         the books of such subsidiary at the date of acquisition of such
         shares, or (ii) the book value of the assets of such subsidiary
         attributable to such shares at the date of such acquisition over the
         cost of acquisition of such shares.

                  (E)     The term "consolidated capitalization" shall mean the
         sum of (i) consolidated funded indebtedness, plus (ii) consolidated
         tangible net worth.

                  (F)     The term "consolidated balance sheet" shall mean a
         balance sheet consolidating the accounts of the Company and its
         restricted subsidiaries prepared, subject to any applicable provisions
         hereof, in accordance with good accounting practice and after
         eliminating all intercompany items and all other items which should be
         eliminated in accordance with good accounting practice.

                  (G)     The term "consolidated net current assets" shall mean
         the amount by which consolidated current assets exceeds consolidated
         current indebtedness.





                                     B-97
<PAGE>   98




                  (H)     The term "consolidated net income" shall mean the
         aggregate of the net income of the Company and its restricted
         subsidiaries, after eliminating all intercompany items and portions of
         income properly attributable to minority interest in the stock of such
         subsidiaries, all computed in accordance with good accounting
         practice.

                  (I)     The term "consolidated tangible net worth" shall mean
         the aggregate of the tangible net worth of the Company and its
         restricted subsidiaries, consolidated in accordance with good
         accounting practice.

                  (J)     The term "corporation" shall include corporations,
         joint stock companies and business trusts.

                  (K)     The term "current assets", to the extent permitted by
         and in all cases as determined in accordance with, good accounting
         practice, shall include (1) cash on hand or in transit or on deposit
         in any bank or trust company which has not suspended business; (2)
         readily marketable securities issued by the United States of America
         and other readily marketable securities maturing within one year from
         the date of issuance, taken in total at not more than cost or current
         market value, whichever is lower; (3) customers' accounts and bills
         and notes receivable; (4) inventories of raw materials and supplies,
         of work or materials in process and of finished products, taken in
         total at not more than cost or current market value, whichever is
         less; and (5) such other assets including prepaid expenses but not
         deferred charges as, in accordance with good accounting practice,
         would be included in  "current assets"; all after deduction of
         adequate reserves in each case where a reserve is proper under good
         accounting practice; provided, however, that in computing current
         assets there shall be excluded any assets which are pledged or
         deposited as security for or for the purpose of paying any obligation
         which is not included in current indebtedness.

                  (L)     The term "current indebtedness" shall mean all
         indebtedness other than funded indebtedness, and, without limitation,
         shall include (1) all indebtedness maturing on demand or within one
         year after the date as of which such determination is made, (2) final
         maturities and prepayments of indebtedness and sinking fund payments
         (including, with respect to the Notes, not only (a) fixed prepayments,
         but also (b) other prepayments on and after the date of notice of
         prepayment thereof pursuant to section 6) required to be made in
         respect of any indebtedness within one year after said date, and (3)
         all other items (including taxes accrued as estimated) which in
         accordance with good accounting practice would be included as current
         liabilities.





                                     B-98
<PAGE>   99




                  (M)     The term "default rate" shall mean the greater of (1)
         8.77% per annum, or (2) the prime rate of interest as announced from
         time to time by The First National Bank of Chicago (or if not so
         announced by said bank then the prime rate as reported from time to
         time in the money rate section of The Wall Street Journal).

                  (N)     The term "events of default" shall have the meaning
         specified in section 12.

                  (O)     The term "funded indebtedness" shall mean all
         indebtedness (including capitalized payment obligations under
         capitalized leases) which by its terms matures more than one year from
         the date as of which any calculation of funded indebtedness is made.
         Funded indebtedness shall also include the amount by which vested
         benefits under employee pension benefit plans exceeds the value of
         assets of such plans allocable to such vested benefit, if any.

                  (P)     The term "good accounting practice" shall mean, as to
         a particular corporation, such accounting practices as, in the opinion
         of the independent accountants regularly retained by such corporation,
         conforms at the time to generally accepted accounting principles.

                  (Q)     The term "indebtedness" of any corporation shall mean
         and include (1) all items which, in accordance with good accounting
         practice, would be included on the liability side of a balance sheet
         of such corporation as of the date as of which indebtedness is to be
         determined, including all capitalized payment obligations created or
         arising under any capitalized lease, but excluding capital stock,
         capital, paid-in and earned surplus, surplus reserves which in effect
         are appropriations of surplus or offsets to asset values (other than
         all reserves in respect of obligations, the amount, applicability or
         validity of which is at such date being contested in good faith by
         such corporation) and deferred credits, (2) indebtedness secured by
         any mortgage, pledge, security interest or lien existing on property
         owned subject to such mortgage, pledge, security interest or lien
         whether or not the indebtedness secured thereby shall have been
         assumed, (3) all proper accruals for federal and other taxes based on
         or measured by income or profits, and (4) except for guaranties
         referred to in clauses (1) and (2) of paragraph (D) of section 9, all
         indebtedness guaranteed, directly or indirectly, in any manner by such
         corporation, or in effect guaranteed or supported, directly or
         indirectly, by such corporation through an agreement, contingent or
         otherwise, (a) to purchase the indebtedness, (b) to purchase, sell,
         transport or lease (as lessee or lessor) property or to purchase or
         sell services at prices or in amounts designed to enable the debtor to
         make payment of the indebtedness or to assure the owner of the
         indebtedness against loss, or (c) to supply funds to or in any other





                                     B-99
<PAGE>   100




         manner invest in the debtor; provided, however, that such term shall
         not mean and include any indebtedness in respect of which moneys
         sufficient to pay and discharge the same in full (either on the
         expressed date of maturity thereof or on such earlier date as such
         indebtedness may be duly called for redemption and payment) shall be
         deposited with a depositary, agency or trustee in trust for the
         payment thereof, but only if, in the case of indebtedness to be
         redeemed prior to the maturity thereof, any notice of redemption
         required by the terms thereof shall have been duly given or provision
         satisfactory to the depositary, agent or trustee, as the case may be,
         shall have been made for the giving of such notice.

                  (R)     The term "investment" shall include any investment,
         in cash or by the delivery of other property (except against receipt
         of the fair value thereof in cash or in the ordinary course of
         business), whether by acquisition of stock, securities or other
         indebtedness, or by loan, advance, capital contribution, transfer of
         property or otherwise; provided, however, that (1) the acquisition of
         stock, securities or other indebtedness of, or a loan, advance capital
         contribution or transfer of property to, a restricted subsidiary (or a
         corporation which by reason of such transaction will become a
         restricted subsidiary) by the Company or one of its restricted
         subsidiaries, or (2) the purchase, acquisition or ownership by the
         Company or a restricted subsidiary of (a) readily marketable
         securities issued by states or municipalities within the United States
         of America or agencies or subdivisions thereof rated "A" or better by
         any recognized rating agency, (b) direct obligations of, or
         obligations unconditionally guaranteed by, the United States of
         America or any agency thereof, (c) commercial paper maturing within
         not more than 270 days from the  date of issuance thereof which is
         issued by any corporation organized and doing business under the laws
         of the United States of America or any state thereof and which is
         rated "Prime 1" by Moody's Investors Service, Inc. or "A-1" by
         Standard and Poor's Corporation (or comparably rated by such
         organizations or any successors thereto if the rating system is
         changed or there are such successors), (d) certificates of deposit
         issued by any commercial bank organized and doing business under the
         laws of the United States of America or any state thereof and having
         (x) capital, surplus and undivided profits aggregating more than
         $50,000,000, and (y) outstanding commercial paper which, at the time
         of acquisition of such certificates of deposit by the Company or any
         restricted subsidiary is rated "Prime 1" by Moody's Investors Service,
         Inc. or "A-1" by Standard and Poor's Corporation (or comparably rated
         by such organizations or any successors thereto if the rating system
         is changed or there are any successors), and (e) trade accounts
         payable to the Company or a restricted subsidiary within six months
         from the date such liability arose, shall not be deemed an
         "investment."





                                    B-100
<PAGE>   101




                  (S)     The term "net income" of any corporation for any
         fiscal period shall mean the net income (or the net deficit, if
         expenses and charges exceed revenues and other proper income credits)
         of such corporation for such period, determined in the following
         manner:

                           (1)    The gross revenues and other proper income
                 credits of such corporation shall be computed for such period
                 in accordance with good accounting practice; provided that in
                 any event there shall not be included in such gross revenues
                 and income credits any write up in the book value of any asset
                 resulting from the revaluation thereof;

                           (2)    From the amount of such gross revenues and
                 other proper income credits for such period determined as
                 provided in the preceding clause (1), there shall be deducted
                 an amount equal to the aggregate of all expenses and other
                 proper income charges for such period, determined in
                 accordance with good accounting practice but in any event
                 deducting (without in any respect limiting the generality of
                 the foregoing) the following items:  (a) all interest charges;
                 (b) amortization of debt discount and expense and any other
                 amortization of deferred charges properly subject to
                 amortization; (c) provision for all taxes whether in respect
                 of property, income, excess profits or otherwise; (d)
                 provisions for all contingency and other reserves whether
                 general or special; and (e) provision for depreciation,
                 depletion, obsolescence and amortization of the properties of
                 such corporation (including depreciation and amortization of
                 leasehold improvements) in amounts not less than the aggregate
                 amount actually deducted on its books and not less than the
                 aggregate amount claimed (but adjusted for any disallowance)
                 or to be claimed by such corporation for federal income tax
                 purposes for such period; provided, however, that in lieu of
                 accelerated depreciation permitted under the Internal Revenue
                 Code of 1986, as amended, the corporation may at its option
                 provide for depreciation and amortization in amounts based on
                 the normal rates customarily employed by the corporation for
                 identical or similar types of property in the preparation of
                 its audited financial statements, and in such event the
                 corporation shall establish and shall maintain in accordance
                 with good accounting practice an appropriate reserve in
                 respect of any tax savings as a result of charging for tax
                 purposes such accelerated depreciation or accelerated
                 amortization;

         provided that, in determining the amount to be included in clauses (1)
         and (2) above, (i) any federal tax adjustments for any period prior to
         January 1, 1995 shall not be a proper charge or credit to income for
         any period subsequent to that date, and any





                                    B-101
<PAGE>   102




         federal tax adjustment for any period subsequent to December 31, 1994
         shall be included as a proper charge or credit to income for the year
         in which actually received or paid, except to the extent, if any, to
         which the amount of such latter adjustment is charged to a proper
         reserve for federal taxes set up out of income for any period
         subsequent to December 31, 1994; (ii) any adjustments for any period
         prior to January 1, 1995 resulting from any renegotiation or price
         redetermination in respect of any Government prime contract, or any
         subcontract under any Government prime contract, shall not be included
         as a proper charge or credit to income for any period subsequent to
         that date, and any such renegotiation or price redetermination
         adjustment for any period subsequent to December 31, 1994 shall be
         included as a proper charge or credit to income for the year in which
         actually received or paid, except to the extent, if any, to which the
         amount of such adjustment is charged to a proper reserve for
         renegotiation or price redetermination set up out of income for any
         period subsequent to December 31, 1994; (iii) any earnings of, and
         dividends payable to, such corporation in currencies which at the time
         are blocked against conversion into United States currency shall not
         be included as a proper charge or credit to income for any period
         subsequent to December 31, 1994; (iv) any undistributed earnings of,
         and dividends payable by, unconsolidated subsidiaries or any other
         person (other than a restricted subsidiary) shall not be included as a
         proper charge or credit to income for any period subsequent to
         December 31, 1994; (v) any gains on the sale or other disposition of
         capital assets and taxes on such excluded gains shall not be included
         as a proper charge or credit to income for any period subsequent to
         December 31, 1994; (vi) net earnings and losses of any corporation
         (other than a subsidiary) substantially all the assets of which have
         been acquired in any manner, realized by such other corporation prior
         to the date of acquisition shall not be included as a proper charge or
         credit to income for any period subsequent to December 31, 1994; (vii)
         net earnings or losses of any corporation (other than a restricted
         subsidiary) with which the Company or a restricted subsidiary shall
         have consolidated or which shall have merged into or with the Company
         or a restricted subsidiary prior to the date of such consolidation or
         merger shall not be included as a proper charge or credit to income
         for any period subsequent to December 31, 1994; and (viii) any portion
         of the net earnings of any restricted subsidiary which for any reason
         is unavailable for the payment of dividends to the Company or any
         other restricted subsidiary shall not be included as a proper credit
         to income for any period subsequent to December 31, 1994.  The term
         "capital assets" of any corporation as used herein shall include all
         fixed assets, both tangible (such as land, buildings, machinery and
         equipment) and intangible (such as patents, copyrights, trademarks,
         trade names, formulae and good will), and securities.





                                    B-102
<PAGE>   103




                  (T)     The term "person" shall include any individual, a
         corporation, a partnership or a government, foreign or domestic, or
         any agency or political subdivision thereof.

                  (U)     The term "restricted subsidiary" shall mean any
         subsidiary of the Company which (i) is organized under the laws of any
         state of the United States of America or under the laws of Canada or
         any province thereof, (ii) has substantially all of its assets located
         within, and operates substantially within, the United States of
         America or Canada, (iii) at least 50% of the outstanding voting stock
         having ordinary voting power to elect a majority of the Board of
         Directors of such corporation (irrespective of whether or not at the
         time stock of any other class or classes shall have or might have
         voting power by reason of the happening of any contingency) is at the
         time directly or indirectly owned by the Company, by one or more of
         its wholly-owned restricted subsidiaries or by the Company and one or
         more of its wholly-owned restricted subsidiaries, and (iv) which the
         Company designates as a restricted subsidiary, by notice to the
         holders of the Notes in the manner in section 6 provided, at the date
         on which the Notes shall be originally issued or subsequent to the
         acquisition of any such subsidiary by the Company; provided, however,
         that the Company may not designate any subsidiary as a restricted
         subsidiary unless at the time of such designation, and after giving
         effect thereto, (a) the Company could become liable for at least $1.00
         of additional unsecured funded indebtedness pursuant to clause (3) of
         paragraph (A) of section 9, and (b) no event of default or event which
         with the passage of time or giving of notice, or both, would
         constitute an event of default would exist; and provided further that
         the Company may not subsequently change the designation of any such
         subsidiary from restricted subsidiary to unrestricted subsidiary.

                  (V)     The term "subsidiary" shall mean, as to a particular
         parent corporation, any corporation of which more than 50% of the
         outstanding stock having ordinary voting power to elect a majority of
         the Board of Directors of such corporation (irrespective of whether or
         not at the time stock of any other class or classes of such
         corporation shall have or might have voting power by reason of the
         happening of any contingency) is at the time directly or indirectly
         owned by such parent corporation, by one or more of its subsidiaries
         or by such parent corporation and one or more of its subsidiaries.

                  (W)     The term "tangible net worth" of any corporation
         shall mean the sum of the amounts set forth on the balance sheet of
         such corporation, prepared in accordance with good accounting practice
         and as of any date selected by such corporation not more than 45 days
         prior to the taking of any action for the purpose of





                                    B-103
<PAGE>   104




         which the determination is being made, which appears as (1) the par or
         stated value of all outstanding stock, (2) capital, paid-in and earned
         surplus and (3) deferred taxes and investment tax credits, less the
         sum of (a) any surplus resulting from any write-up of assets
         subsequent to December 31, 1994, (b) good will, including any amounts
         (however designated on such balance sheet) representing the cost of
         acquisitions of restricted subsidiaries in excess of underlying
         tangible assets, unless an appraisal of such assets made by a
         reputable firm of appraisers at the time of acquisition shall indicate
         sufficient value to cover such excess, (c) any amounts by which
         investments in persons appearing on the asset side of such balance
         sheet exceed the lesser of cost or the proportionate share of such
         corporation in the book value of the assets of such persons, provided
         that such book value shall be reduced by any amounts representing
         restrictions on the payment of dividends by such persons pursuant to
         any law, charter provision, mortgage or indenture or, in lieu of the
         foregoing, any investment may be carried at its market value if the
         securities representing such investment are publicly traded, (d)
         patents, trademarks, copyrights, leasehold improvements not
         recoverable at the expiration of a lease and deferred charges
         (including, but not limited to, unamortized debt discount and expense,
         organization expenses, experimental and development expenses, but
         excluding prepaid expenses), (e) any amounts at which shares of
         capital stock of such corporation appear on the asset side of such
         balance sheet, and (f) any amount of indebtedness not included on the
         liability side of such balance sheet.

                  (X)     The term "unrestricted subsidiary" shall mean any
         subsidiary other than a restricted subsidiary.

                  (Y)     The term "wholly-owned restricted subsidiary" shall
         mean any restricted subsidiary all of whose outstanding stock of all
         classes (other than directors' qualifying shares) at the time is owned
         directly or indirectly by the Company, or by one or more of its
         wholly-owned restricted subsidiaries or by the Company and one or more
         of its wholly-owned restricted subsidiaries.

            Section 12.     Events of Default and Remedies;.  When any event of
default (hereinafter defined) described in paragraph (A) below has happened and
is continuing, the holder or holders of 25% or more of the principal amount of
Series B Notes at the time outstanding may, and when any event of default
described in paragraph (B), (C), (F), (G) or (H) below has happened and is
continuing, the holder or holders of 51% or more of the principal amount of
Series B Notes at the time outstanding may, by written notice to the Company,
declare the entire principal and all interest accrued on all Series B Notes to
be, and all such Notes shall thereupon become, forthwith due and payable,
without any presentment, demand, protest or other notice of any kind, all of
which are hereby expressly





                                    B-104
<PAGE>   105




waived; provided, however, when any event of default described in paragraph (A)
below has happened and is continuing with respect to any Series B Note, the
holder of such Series B Note may, by written notice to the Company, declare the
entire principal and all interest accrued on such Series B Note to be, and such
Series B Note shall thereupon become, forthwith due and payable, without any
presentment, demand, protest or other notice of any kind, all of which are
hereby expressly waived.  When any event of default described in paragraph (D)
or (E) below has occurred, then all outstanding Series B Notes shall
immediately become due and payable without presentment, demand or notice of any
kind.  If the event of default on which any such acceleration or declaration is
based is an event of default other than an event of default described in
paragraph (D) or (E) below, then in such event, in addition to the amounts
required to be paid by the Company in accordance with the foregoing provisions
of this section 12, the Company shall also pay, to the extent permitted by law,
an amount (as liquidated damages for the loss of the bargain evidenced hereby
and not as a penalty) equal to the make whole premium amount described in
section 4 above.

         The provisions of this section 12 are subject to the condition that if
the principal of, and accrued interest on, all or any outstanding Series B
Notes have been declared or become immediately due and payable by reason of the
occurrence of any event of default described in paragraphs (A) through (H),
below the holders of 66-2/3% in aggregate principal amount of the Series B
Notes then outstanding may, by written instrument filed with the Company,
rescind and annul such acceleration and the consequences thereof, provided that
at the time such acceleration is annulled and rescinded:

                  (a)     no judgment or decree has been entered for the
         payment of any monies due pursuant to the Series B Notes;

                  (b)     all arrears of interest upon all the Series B Notes
         and all other sums payable under the Series B Notes (except any
         principal, interest or premium on the Series B Notes which has become
         due and payable solely by reason of such acceleration under this
         section 12) shall have been duly paid; and

                  (c)     each and every other event of default shall have been
         made good, cured or waived pursuant to section 10 hereof; 

and provided further, that no such rescission and annulment shall extend to 
or affect any subsequent event of default or impair any right consequent 
thereto. 

         The events listed in paragraph (A) through (H) below are called 
"events of default":





                                    B-105
<PAGE>   106




                  (A)     default shall be made by the Company (1) in the
         payment of principal of, or premium, if any, on, any Note when and as
         the same shall become due and payable, whether at maturity thereof, on
         a date fixed for prepayment (in this Note or in any notice of
         prepayment), by acceleration or otherwise, or (2) in the payment of
         interest on any Note when and as the same shall become due and payable
         and such default in the payment of interest shall continue for a
         period of 5 days; or

                  (B)     default shall be made in the performance or
         observance of any covenant, condition or agreement contained in
         section 9 and such default shall continue for a period of 30 days; or

                  (C)     default shall be made in the performance or
         observance of any other of the covenants, conditions or agreements in
         this Note set forth or in the Loan Agreement dated as of June 15, 1995
         pursuant to which this Note was initially issued and such default
         shall continue for a period of 30 days after the earlier of (1) the
         Company becoming aware of such default, and (2) written notice to the
         Company from the holder of any Note stating the specific default or
         defaults; or any representation or warranty made by the Company herein
         or in said Loan Agreement, or furnished in writing in connection with
         or pursuant to this Note or said Loan Agreement shall be false in any
         material respect on the date as of which such representation or
         warranty is made; or

                  (D)     a decree or order by a court having jurisdiction in
         the premises shall have been entered adjudging the Company or any
         restricted subsidiary a bankrupt or insolvent, or approving as
         properly filed a petition seeking reorganization, readjustment,
         arrangement, composition or similar relief for the Company or any such
         subsidiary under the federal bankruptcy laws, or any other similar
         applicable federal or state law, and such decree or order shall have
         continued undischarged or unstayed for a period of 60 days; or a
         decree or order of a court having jurisdiction in the premises for the
         appointment of a receiver or liquidator or trustee or assignee in
         bankruptcy or insolvency of the Company or any restricted subsidiary
         or a substantial part of its property, or for the winding up or
         liquidation of its affairs, shall have been entered, and such decree
         or order shall have remained in force undischarged and unstayed for a
         period of 60 days; or any substantial part of the property of the
         Company or any restricted subsidiary shall be sequestered or attached
         and shall not be returned to the possession of the Company or such
         subsidiary or released from such attachment within 60 days thereafter;
         or

                  (E)     the Company or any restricted subsidiary shall
         institute proceedings to be adjudged a voluntary bankrupt, or shall
         consent to the filing of a bankruptcy





                                    B-106
<PAGE>   107




         proceeding against it, or shall file a petition or answer or consent
         seeking reorganization, readjustment, arrangement, composition or
         similar relief under the federal bankruptcy laws, or any other similar
         applicable federal or state law, or shall consent to the filing of any
         such petition, or shall consent to the appointment of a receiver or
         liquidator or trustee or assignee in bankruptcy or insolvency of it or
         of a substantial part of its property, or shall make an assignment for
         the benefit of creditors, or shall admit in writing its inability to
         pay its debts generally as they become due, or shall voluntarily
         suspend transaction of its usual business, or corporate action shall
         be taken by the Company or any such subsidiary in furtherance of any
         of the aforesaid purposes; or

                  (F)     the Company or any restricted subsidiary fails to
         make any payment due on any indebtedness having a principal amount
         greater than $2,500,000 or any event shall occur (other than the mere
         passage of time) or any condition shall exist in respect of any
         indebtedness of the Company or any restricted subsidiary, or under any
         agreement securing or relating to such indebtedness and any such event
         or condition continues beyond any applicable period of grace, if any,
         the effect of which is to cause (or permit any holder of such
         indebtedness or other Security or a trustee to cause) such
         indebtedness or other Security, or a portion thereof, to become due
         prior to its stated maturity or prior to its regularly scheduled dates
         of payment; or

                  (G)     final judgment for the payment of money in excess of
         $250,000 shall be rendered against the Company or any restricted
         subsidiary and the same shall remain undischarged for a period of 30
         days during which execution shall not be effectively stayed; or

                  (H)     a change of control (as defined in paragraph 4(D))
         shall occur and continue for more than 40 days or a default shall
         occur in giving notice of any change of control pursuant to the
         provisions of paragraph 8(K).

         In case any one or more of the events of default specified above in
this section 12 shall have happened and be continuing, the holder of this Note
may proceed to protect and enforce its rights either by suit in equity and/or
by action at law, or by other appropriate proceedings, whether for the specific
performance (to the extent permitted by law) of any covenant or agreement
contained in this Note or in aid of the exercise of any power granted in this
Note, or, subject to the first paragraph of this section 12, may proceed to
enforce the payment of this Note or to enforce any other legal or equitable
right of the holder of this Note.





                                    B-107
<PAGE>   108




         In case of a default in the payment of any principal of, premium, if
any, or interest on, any Note, the Company will pay to the holder thereof such
further amount as shall be sufficient to cover the cost and expense of
collection, including (without limitation) reasonable attorneys' fees.

            Section 13.     No Waiver;.  No course of dealing between the
Company and the holder hereof or any delay on the part of the holder hereof in
exercising any rights hereunder shall operate as a waiver of any rights of any
holder hereof, except to the extent expressly waived in writing by the holder
hereof.

            Section 14.     Loss, Theft, Destruction or Mutilation of Note;.
Upon receipt by the Company of evidence reasonably satisfactory to the Company
of the loss, theft, destruction or mutilation of this Note, and of indemnity or
security reasonably satisfactory to the Company (or, if this Note shall then be
held by an institutional investor, an indemnity agreement therefrom), and upon
reimbursement to the Company of all reasonable expenses incidental thereto, and
upon surrender and cancellation of this Note if mutilated, the Company will
make and deliver a new Note of like tenor in lieu of this Note.  Any Note made
and delivered in accordance with the provisions of this section 14 shall be
dated as of the date to which interest has been paid on this Note or, if no
interest has theretofore been paid on this Note, then dated the date hereof.

            Section 15.     Governing Law;.  This Note shall be construed in
accordance with and governed by the laws of the State of Illinois.

            Section 16.     Successors and Assigns;.  All the covenants,
stipulations, promises and agreements in this Note contained by or on behalf of
the Company shall bind its successors and assigns, whether so expressed or not.

            Section 17.     Headings;.  The headings of the sections of this
Note are inserted for convenience only and shall not be deemed to constitute a
part hereof.

         In Witness Whereof, STEPAN COMPANY has caused this Note to be signed
in its corporate name by a duly authorized officer and to be dated as of the
day and year first above written.

                                   
                                         STEPAN COMPANY



                                         By





                                    B-108
<PAGE>   109




                                             Its





                                    B-109
<PAGE>   110




           1.     Qualification to do Business:
The Company was incorporated in Illinois on January 14, 1940.  On March 31,
1959, the Company's state of incorporation was changed from Illinois to
Delaware.  The Company is duly licensed or qualified and in good standing as a
foreign corporation to do business in the states of California, Georgia,
Illinois, Massachusetts, Pennsylvania, New York and New Jersey.  Such states
are the only jurisdictions where the ownership or leasing of property or the
nature of business transacted makes such licensing or qualification necessary.

           2.     Brief Description of Properties Owned by the Company as of
June 15, 1995:

           (A)    NORTHFIELD, ILLINOIS
The Company's administrative and research center is located on eight-acres
located in Northbrook, Illinois, 20 miles northwest of downtown Chicago.

           (B)    MILLSDALE (JOLIET), ILLINOIS
The Company's midwest manufacturing facilities are located at Millsdale,
Illinois, on 626 acres of land situated on the Illinois Deep Waterway and is
served by the main lines of the Santa Fe Railroad and the Illinois Central Gulf
Railroad.  A high pressure, natural gas pipeline passes through the property
immediately adjacent to the Company's property.  This plant produces
surfactants, phthalic anhydride and urethane foam systems and is the Company's
principal production facility.  


        The surfactant plant has ethoxylation, esterification, sulfation and
sulfonation facilities which, together with numerous reaction and mixing
vessels, produce a wide range of products for the surfactant and polymer
departments.

           (C)    FIELDSBORO, NEW JERSEY
This facility occupies approximately 39 acres of land with 700 feet of water
frontage on the Delaware River and is served by the Camden and Amboy Railroad.
This plant manufactures surfactants.

           (D)    ANAHEIM, CALIFORNIA
This plant produces surfactant products and occupies approximately eight acres.
The plant is served by the Atchison, Topeka and Santa Fe Railroad.

           (E)    WINDER, GEORGIA
This plant site occupies approximately 162 acres of land.  This plant
manufactures surfactants.  The plant is served by the CSX Railroad.

           (F)    MAYWOOD, NEW JERSEY





                                    C-110
<PAGE>   111




The Company's specialty chemicals and flavor products are produced at this
plant which is 15 miles west of New York City.  The plant, which compromises 19
acres, is served by the New York, Susquehanna and Western Railroad.

           (G)    VOREPPE, FRANCE
The Company owns a 20-acre specialty chemical plant site at this location.

           (H)    MATAMOROS, MEXICO
The Company owns a 13 acre specialty chemical plant at this location.

           3.     Subsidiaries as of June 15, 1995:
The following sets forth all subsidiaries of the Company as of June 15, 1995,
the capital stock outstanding and the amount thereof owned by the Company and
whether such subsidiaries are consolidated for financial reporting purposes.

<TABLE>
<CAPTION>
                                                                                                SHARES
                                                                      SHARES                   OWNED BY
                                                                    OUTSTANDING                COMPANY                CONSOLIDATED
          <S>                                                       <C>                       <C>                          <C>
          Stepan Mexico, S.A. de C.V.                               10,571,000                10,570,014                   Yes

          Stepan Canada Inc.                                             1                        1                        Yes
          Common stock, no par value

          Stepan Europe S.A.,                                          5,400                    5,400                      Yes
          Common Stock, par value 100FF
</TABLE>

           4.     Designation of Unrestricted Subsidiaries.
The Company hereby designates, pursuant to paragraph (U) of Section 11 of the
Notes, for all purposes of the Notes and of the Loan Agreement dated as of June
15, 1995, that no subsidiary shall be a restricted subsidiary.

           5.     Pending and Threatened Litigation Not Reflected in 10-K.
None.

           6.     Funded Indebtedness Outstanding on June 15, 1995.

<TABLE>
<CAPTION>
                                                                                  CURRENT              FUNDED 
LENDER - NOTE                                                PRINCIPAL            PORTION           INDEBTEDNESS
<S>                                                          <C>                  <C>                <C>
</TABLE>





                                    C-111
<PAGE>   112




<TABLE>
<S>                                                              <C>                      <C>                       <C>
Aid Association For Lutherans
         10.54% Notes due 5/1/99                                 $2,975,500               $1,786,000                $1,189,500
The Mutual Life Insurance
         Company of New York                                      2,261,380                1,357,360                   904,020
         10.54% Notes due 5/1/99
MONY Life Insurance Company of America
         10.54% Notes due 5/1/99                                    714,120                  428,640                   285,480
Aid Association For Lutherans
         9.40% Notes due 8/20/97                                    955,000                  955,000                       -0-
The Northwestern Mutual Life Insurance Company
         9.70% Notes due 8/20/02                                  6,000,000                1,000,000                 5,000,000
Aid Association for Lutherans
         9.52% Notes due 4/1/2001                                 3,571,428                  714,286                 2,857,142
The Mutual Life Insurance Company of New York
         9.52% Notes due 4/1/2001                                 4,285,714                  857,143                 3,428,571
MONY Life Insurance Company of America
         9.52% Notes due 4/1/2001                                 1,428,572                  285,714                 1,142,858
The Mutual Life Insurance Company of New York
         (GIPEN & Co.)                                            1,428,572                  285,714                 1,142,858
         9.52% Notes due 4/1/2001
The Northwestern Mutual Life Insurance Company
         9.70% Notes due 4/1/2006                                10,000,000                        0                10,000,000
Aid Association for Lutherans
         7.22% Notes due 4/1/08                                   5,000,000                        0                 5,000,000

</TABLE>




                                    C-112
<PAGE>   113




<TABLE>
<S>                                                            <C>                        <C>                      <C>
The Mutual Life Insurance
         Company of New York                                      5,000,000                        0                 5,000,000
         7.22% Notes due 4/1/08
The Northwestern Mutual
         Life Insurance Company                                   5,000,000                        0                 5,000,000
         7.22% Notes due 4/1/08
Aid Association for Lutherans
         7.22% Notes due 8/1/08                                   5,000,000                        0                 5,000,000
The Mutual Life Insurance
         Company of New York                                      5,000,000                        0                 5,000,000
         7.22% Notes due 8/1/08
The Northwestern Mutual
         Life Insurance Company                                   5,000,000                        0                 5,000,000
         7.22% Notes due 8/1/08
Unsecured bank debt
         Various maturities                                      42,700,000                        0                42,700,000
                                                               ------------               ----------               -----------
           TOTALS                                              $106,320,286               $7,699,857               $98,650,429
                                                               ============               ==========               ===========
</TABLE>





                                    C-113

<PAGE>   1


                                                                    EXHIBIT (11)
                                 STEPAN COMPANY
                 STATEMENT RE COMPUTATION OF PER SHARE EARNINGS
           For the Three and Six Months Ended June 30, 1995 and 1994
                                   Unaudited

<TABLE>
<CAPTION>
 (In Thousands, except per share amounts)                  Three Months Ended                       Six Months Ended
                                                                 June 30                                June 30
                                                      -------------------------------------------------------------------
                                                          1995             1994                  1995             1994
                                                          ----             ----                  ----             ----
 Computation of per Share Earnings
 ---------------------------------
 <S>                                                     <C>            <C>                    <C>               <C>
 Net income                                              $5,418           $4,078               $11,527           $6,100
 Deduct dividends on preferred stock                        267              268                   535              539
                                                        -------          -------             ---------          -------
 Income applicable to common stock                       $5,151           $3,810               $10,992           $5,561
                                                        =======          =======             =========          =======

 Weighted average number of shares outstanding            9,977            9,914                 9,965            9,906


 Per share earnings*                                     $0.516           $0.384                $1.103           $0.561
                                                        =======          =======             =========          =======

 Computation of Per Share Primary Earnings
 -----------------------------------------


 Income applicable to common stock                       $5,151           $3,810               $10,992           $5,561
                                                        =======          =======             =========          =======

 Weighted average number of shares outstanding            9,977            9,914                 9,965            9,906
 Add net shares issuable from assumed exercise
    of options (under treasury stock method)                177              142                   177              150
                                                       --------         --------              --------         --------


 Shares applicable to primary earnings                   10,154           10,056                10,142           10,056
                                                         ======           ======                ======           ======

 Per share primary earnings*                             $0.507           $0.379                $1.084           $0.553
                                                         ======           ======                ======           ======

 Dilutive effect                                           1.7%             1.4%                  1.7%             1.4%


 Computation of Per Share Fully Diluted Earnings
 -----------------------------------------------

 Net income (See Note A)                                 $5,418           $4,078               $11,527           $5,561
                                                         ======           ======               =======           ======


 Weighted average number of shares outstanding            9,977            9,914                 9,965            9,906
 Add net shares issuable from assumed exercise
    of options (under treasury stock method)                177              142                   177              150
 Add weighted average shares issuable from
    assumed conversion of convertible preferred
    stock (See Note A)                                      889              894                   889              -
                                                       --------         --------              --------           ------

 Shares applicable to fully diluted earnings             11,043           10,950                11,031           10,056
                                                         ======           ======                ======           ======


 Per share fully diluted earnings*                       $0.491           $0.372                $1.045           $0.553
                                                         ======           ======                ======           ======

 Dilutive effect                                           4.8%            3.2%                   5.3%             1.4%
</TABLE>

 (A)         For the six months ended June 30, 1994, the assumed conversion of
             convertible preferred stock  would have been antidilutive.
             Accordingly, the dividends and shares issuable from assumed
             conversion have been excluded pursuant to APB No. 15.

__________
*  Rounded

This calculation is submitted in accordance with Regulation  S-K, item
601(b)(11).

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONDENSED
CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1995 AND CONSOLIDATED STATEMENT OF
INCOME FOR THE SIX MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                           1,702
<SECURITIES>                                         0
<RECEIVABLES>                                   81,979
<ALLOWANCES>                                         0
<INVENTORY>                                     44,806
<CURRENT-ASSETS>                               139,159
<PP&E>                                         432,567
<DEPRECIATION>                                 249,014
<TOTAL-ASSETS>                                 338,594
<CURRENT-LIABILITIES>                           71,318
<BONDS>                                        102,530
<COMMON>                                        10,046
                                0
                                     19,935
<OTHER-SE>                                      91,680
<TOTAL-LIABILITY-AND-EQUITY>                   338,594
<SALES>                                        271,044
<TOTAL-REVENUES>                               271,044
<CGS>                                          218,582
<TOTAL-COSTS>                                  248,610
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,992
<INCOME-PRETAX>                                 18,442
<INCOME-TAX>                                     6,915
<INCOME-CONTINUING>                             11,527
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,527
<EPS-PRIMARY>                                     1.10
<EPS-DILUTED>                                     1.05
        

</TABLE>


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