VALLEN CORP
10-Q, 1996-01-16
MEDICAL, DENTAL & HOSPITAL EQUIPMENT & SUPPLIES
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<PAGE>
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549
                       _________________________________

                                   FORM 10-Q

            [ x ]  Quarterly Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934
                   For the quarter period ended November 30, 1995

                                       OR

            [   ]  Transition Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934
                   For the transition period from ______to______

                        ________________________________

                         Commission File Number 0-10796
                        ________________________________

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

<TABLE>
<CAPTION>
<S>                                       <C>
                Texas                                 74-1366847
      (State or other jurisdiction of              (I.R.S. Employer 
      incorporation or organization)              Identification No.)
 
        13333 Northwest Freeway 
            Houston, Texas                               77040
(Address of principal executive offices)              (Zip Code)
 
Registrant's telephone number, including area code: (713) 462-8700

</TABLE>

     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 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, exclusive of treasury shares, at January 12, 1996:

                7,250,988 shares of Common Stock, $.50 Par Value

                                  Page 1 of 11
<PAGE>
 
PART I
Item 1.    Financial Statements

                      VALLEN CORPORATION AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEETS
                             (Thousands of Dollars)
<TABLE>
<CAPTION>
                                                            MAY 31, 1995
                                                         ------------------
                 ASSETS                   NOVEMBER 30,     (DERIVED FROM
                                              1995       AUDITED FINANCIAL
Current assets:                            (Unaudited)      STATEMENTS)
                                          -------------  ------------------
<S>                                       <C>            <C>
   Cash and cash equivalents                  $    581             $ 3,006
   Trading securities, at cost which                                       
    approximates market                          2,000               7,255 
   Accounts receivable, net                     31,744              26,039
   Notes receivable                                147                 412
   Inventories                                  30,716              24,026
   Prepaid expenses and other current                                      
    assets                                       3,725               2,565 
                                              --------             ------- 
      Total current assets                      68,913              63,303
Property, plant and equipment, at cost          44,619              40,501
   Less accumulated depreciation and                                       
    amortization                                23,569              19,558 
                                              ========             ======= 
      Net property, plant and equipment         21,050              20,943
   Notes receivable - non-current                1,599               1,599
Investment in foreign affiliate, net             7,616               3,070
Intangibles, net of accumulated                                            
 amortization                                    4,707               1,235 
Other                                            1,513                 504
                                              --------             -------
                                              $105,398             $90,654
                                              ========             =======
 
       LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
   Current maturities of long-term debt       $    239             $   161
   Accounts payable                             11,672               8,587
   Other accrued liabilities                     3,642               2,654
   Income taxes payable                             53                 180
                                              --------             -------
      Total current liabilities                 15,606              11,582
Long-term debt, excluding current                                          
 maturities                                     10,737               5,194 
Deferred income taxes                            1,196               1,196
Shareholders' equity:
   Preferred stock $1.00 par value;
    1,000,000 shares
      authorized and unissued
   Common stock $.50 par value;
    20,000,000 shares                                                      
      authorized; 9,713,884 shares
       issued at
      November 30, 1995 and May 31, 1995         4,858               4,857 
   Additional paid-in capital                    5,654               3,955
   Translation adjustment                         (773)               (417)
   Retained earnings                            70,734              67,028
                                              --------             -------
                                                80,473              75,423
   Less cost of common shares held in
    treasury (2,462,997
      shares at November 30, 1995 and                                      
      2,591,750 shares at                                                   
      May 31, 1995)                              2,614               2,741  
                                              --------             -------  
   Total shareholders' equity                   77,859              72,682
                                              --------             -------
                                              $105,398             $90,654
                                              ========             =======
</TABLE>

    See accompanying Notes to Consolidated Financial Statements (Unaudited).

                                  Page 2 of 11
<PAGE>
 
                      VALLEN CORPORATION AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED)
              (Thousands of Dollars Except For Per Share Amounts)
<TABLE>
<CAPTION>
 
                                           SECOND QUARTER ENDED     SIX MONTHS ENDED
                                               NOVEMBER 30,            NOVEMBER 30,
                                          ----------------------  -----------------------
                                             1995        1994        1995        1994
                                          ----------  ----------  ----------  -----------
<S>                                       <C>         <C>         <C>           <C>
Net sales                                   $60,830     $50,956    $112,828      $97,018
                                                                              
Cost of sales                                45,460      37,850      83,984       71,880
                                            -------     -------    --------      -------
                                                                              
Gross profit                                 15,370      13,106      28,844       25,138
                                                                              
Selling, general and administrative                                           
 expenses                                    12,167      10,186      23,422       20,445
                                            -------     -------    --------      -------
                                                                              
Operating income                              3,203       2,920       5,422        4,693
                                                                              
Earnings from foreign affiliates, net           224         110         432          234
                                                                              
Interest and dividend income                    117          98         316          186
                                                                              
Interest expense                                142          49         249           96
                                                                              
Other income (expense), net                    (153)       (174)       (274)        (243)
                                            -------     -------    --------      -------
                                                                              
Earnings before income taxes                  3,249       2,905       5,647        4,774
                                                                              
Income taxes                                  1,100       1,020       1,941        1,685
                                            -------     -------    --------      -------
                                                                              
Net earnings                                $ 2,149     $ 1,885    $  3,706      $ 3,089
                                            =======     =======    ========      =======
                                                                              
Net earnings per common share                 $0.30       $0.27       $0.51        $0.44
                                            =======     =======    ========      =======
                                                                              
Weighted average number of common                                             
 shares outstanding                           7,251       7,104       7,222        7,096
 
</TABLE>
    See accompanying Notes to Consolidated Financial Statements (Unaudited).

                                  Page 3 of 11
<PAGE>
 
                      VALLEN CORPORATION AND SUBSIDIARIES
               CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
                             (Thousands of Dollars)
<TABLE>
<CAPTION>
SIX MONTHS ENDED NOVEMBER 30,               1995       1994
- ----------------------------------------  ---------  --------
<S>                                       <C>        <C>
 
OPERATING ACTIVITIES:
 
  Net earnings                            $  3,706   $ 3,089
  Adjustments to reconcile net earnings
   to net cash
     provided by operating activities:
     Loss (gain) on disposition of
      property, plant and equipment             28       (50)
     Depreciation and amortization           1,603     1,772
     Undistributed earnings from                              
      foreign affiliate, net                  (432)     (234) 
     Undistributed losses from U.S.                          
      affiliate, net                            58         0 
     Change in assets and liabilities,
      net of effects from purchase of
        companies
       Decrease (increase) in trading        
        securities                           5,255    (1,481) 
       (Increase) decrease in accounts
          receivable, net                   (5,705)      354
       (Increase) in inventory              (6,687)   (2,540)
       (Increase) in prepaid expenses
        and other current assets              (895)     (289)
       (Increase) decrease in other                          
        assets, net                           (226)       20 
       Increase in accounts payable
          and other current liabilities      3,946       307
                                          --------   -------
       Net cash provided by operating          
        activities                             651       948 
 
INVESTING ACTIVITIES:
 
  Net additions to property, plant and       
   equipment                                  (797)   (1,091) 
  Payments for acquisitions                 (7,545)        -
                                          --------   -------
  Net cash used by investing activities     (8,342)   (1,091)
 
FINANCING ACTIVITIES:
 
  Increase (decrease) of long-term debt      5,622      (152)
  Stock option transactions                      -       295
                                          --------   -------
       Net cash provided by financing                        
        activities                           5,622       143 
                                          --------   ------- 

  Net decrease in cash and cash                              
   equivalents                              (2,069)        - 
  Effect of exchange rate changes on
   cash and cash equivalents                  (356)        -
  Cash and cash equivalents at                               
   beginning of period                       3,006         - 
                                          --------   ------- 
  Cash and cash equivalents at end of                         
   period                                 $    581   $        
                                          ========   -------  
SUPPLEMENTAL DISCLOSURES OF CASH
  FLOW INFORMATION:
 
  Interest payments                       $    170   $    71
  Income tax payments                     $  1,756   $ 1,550
</TABLE>
    See accompanying Notes to Consolidated Financial Statements (Unaudited).

                                  Page 4 of 11
<PAGE>
 
                      VALLEN CORPORATION AND SUBSIDIARIES
               CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
                             (Thousands of Dollars)

SUPPLEMENTAL SCHEDULE OF NON CASH INVESTING AND
FINANCING ACTIVITIES - CONT'D.

The Company purchased assets or stock of Safety Centers, Inc., All Supplies,
Inc., and Century Sales and Service, Limited.  In conjunction with the
acquisitions, assets acquired, liabilities assumed, and cash paid are as
follows:

<TABLE>
<CAPTION>
 
 
<S>                                       <C>
  Fair value of assets acquired            $14,408
  Cost in excess of net assets of                  
   companies acquired                        3,523 
                                           ------- 
  Total assets recorded                    $17,931
 
  Liabilities assumed                      $(7,792)
  Amounts due to sellers                      (768)
  Stock issued for common stock             (1,826)
                                           -------
  Cash paid for common stock and assets    $ 7,545
                                           =======
 
</TABLE>


    See accompanying Notes to Consolidated Financial Statements (Unaudited)

                                  Page 5 of 11
<PAGE>
 
                      VALLEN CORPORATION AND SUBSIDIARIES
                   NOTE TO CONSOLIDATED FINANCIAL STATEMENTS
                                  (UNAUDITED)


Note 1:  Basis of Presentation and Significant Accounting Policies

The accompanying unaudited consolidated condensed financial statements have been
prepared in accordance with the Instructions to Quarterly Reports on Form 10-Q
required to be filed with the Securities and Exchange Commission and do not
include all information and footnotes required by generally accepted accounting
principles for complete financial statements.  However, the information
furnished reflects all adjustments which are, in the opinion of management,
necessary for a fair statement of the results for the interim periods.  The
results of operations for the six months ended November 30, 1995 are not
necessarily indicative of the results that will be realized for the fiscal year
ending May 31, 1996.

The accounting policies followed by the Company in preparing interim
consolidated condensed financial statements are similar to those described in
the "Notes to Consolidated Financial Statements" in the Company's Form 10-K
Annual Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of
1934, for the fiscal year ended May 31, 1995.  For interim reporting purposes,
provisions for income taxes are recorded on the basis of the estimated annual
effective tax rate.  Certain prior year amounts have been reclassified to
conform with present year presentation.

An investment in the common stock of a foreign affiliated company is accounted
for by the equity method.  The excess of cost of the stock of this affiliate
over the Company's share of their net assets at the acquisition date is being
amortized on a straight line basis over 40 years.

Net earnings per share were computed by dividing net earnings by the weighted
average number of shares outstanding during the periods.  The weighted average
number of shares outstanding for the six months ended November, 1995 and 1994
were computed based on the actual number of common shares outstanding.

Note 2:  Inventory costs are summarized as follows:

<TABLE>
<CAPTION>
 
                       NOVEMBER 30, 1995  MAY 31, 1995
                       -----------------  ------------
<S>                    <C>                <C>
  Raw materials              $ 1,580         $ 1,241
                                           
  Work-in-process                757             792
                                            
  Finished Goods              28,379          21,993
                             -------         -------
                                           
  Total inventories          $30,716         $24,026
                             =======         =======
 
</TABLE>

                                  Page 6 of 11
<PAGE>
 
Item 2.
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 RESULTS OF OPERATIONS AND FINANCIAL CONDITION
                             (Thousands of Dollars)
RESULTS OF OPERATIONS

               SECOND QUARTER ENDED NOVEMBER 30, 1995 COMPARED TO
                     SECOND QUARTER ENDED NOVEMBER 30, 1994
                     --------------------------------------

Net sales increased 19.4% to $60,830 and gross profit increased by 17.3% to
$15,370.  Approximately $7,032, or 11.5% of the sales increase is attributable
to the acquisitions made during fiscal 1996.  In distribution operations, sales
levels under national contracts also contributed to this increase.  Gross profit
margins increased primarily due to changes in the product and customer mix for
the distribution operations.  The manufacturing operations sales increased 5.5%
to $4,732 compared to the same period in the last fiscal year.  This increase
was due primarily to increased shipments from higher backlog levels in the
shower and eyewash lines.  Gross profit margins for the manufacturing operations
were down as compared to the quarter ended November, 1994 due to an adjustment
resulting from a physical inventory taken during the same quarter last year.
During the quarter Vallen completed the acquisition of the primary assets of
Shepco Manufacturing Company, a producer of lint free uniforms and garments for
workers in clean room environments in the automotive and other industries.
There is no significant impact to sales or results of operations due to this
acquisition.

Selling, general and administrative expenses increased 19.4% compared to the
same quarter in the prior year.  The increase is primarily attributable to the
additional costs associated with the companies acquired since May 31, 1995.
Selling, general and administrative expenses as a per cent of net sales were 20%
for the quarter ended November 30, 1995, remaining flat in comparison to the
same quarter last year.  Earnings from foreign affiliates of $224, for the
quarter ending November 30, 1995, increased 103.6% over the same quarter last
year, due to earnings from the 50% owned Canadian affiliate, Century Sales and
Service, Limited, of $152.  Interest expense increased 189.8% in the second
quarter of fiscal 1996 compared to the same quarter in fiscal 1995, due to the
Company's entering into a credit arrangement with a major bank related to a
business acquisition in the first quarter of fiscal 1996.

Net earnings increased 14% in the quarter ending November 30, 1995 to $.30 per
common share, compared to $.27 for the same quarter last year.  The increase is
due primarily to the overall increased sales and earnings from the above
mentioned foreign affiliate.

                 SIX MONTHS ENDED NOVEMBER 30, 1995 COMPARED TO
                       SIX MONTHS ENDED NOVEMBER 30, 1994
                       ----------------------------------

Sales increased 16.3% to $112,828 and gross profit increased 14.7% to $28,844.
The reasons for sales and gross profit changes for the six month period are
consistent with the reasons discussed above for the quarter.  Selling, general
and administrative expenses increased 14.6% to $23,422, primarily due to the
additional operating expenses associated with the acquisitions.  Net earnings
increased 20% year to date to $3,706, or $.51 per common share, compared to
$3,089, or $.44 per common share, for the comparable six month period last year.
The increase is due primarily to the sales volume of companies acquired during
this year and the increase in earnings from foreign affiliates which are up to
$432 for the six months ending November 30, 1995 compared to $234 for the same
period last year. This increase in foreign earnings was due to the 50% owned 
Canadian affiliate's earnings of $274 during this six month period.


                                  Page 7 of 11
<PAGE>
 
FINANCIAL CONDITION

                   NOVEMBER 30, 1995 COMPARED TO MAY 31, 1995
                   ------------------------------------------


Cash flows provided by operations for the quarter ended November 30, 1995
totaled $651, compared to $948 for the quarter ended November 30, 1994.  Cash
was utilized as funding for the acquisitions in the first quarter of 1996,
thereby reducing trading securities held.  The increase in inventories and
receivables assumed from acquisitions also contributed to reduce cash flows
provided by operations.

Cash and cash equivalents decreased by $2,425, primarily from the use of cash
for acquisitions thus far for the fiscal year 1996.  Accounts receivable
increased $5,705 and inventory increased $6,687, primarily as a result of
acquisitions and based on increased sales levels.  Net additions to property,
plant and equipment were $797.  Additions were primarily for operating
equipment, computer hardware and software and assets added through acquisitions.
Accounts payable and other current liabilities increased $3,946 as a result of
increased operating levels and acquisitions taking place during the first half
of the fiscal year 1996.  Long-term debt increased $5,622 due to debt issued in
connection with acquisitions thus far this year less required principal
repayments.  The issuance of common stock shares held in treasury in connection
with acquisitions made through the quarter ended November 30, 1995, had the
effect of increasing paid-in capital by $1,826, including the change in treasury
stock held.

                                  Page 8 of 11
<PAGE>
 
PART  II  OTHER INFORMATION

Item 1.        Legal proceedings  -  None

Item 2.        Changes in securities  -  None

Item 3.        Defaults upon senior securities  -  None

Item 4.        (a) Annual stockholder meeting was held on October 10, 1995.

               (b) Directors elected were Leonard J. Bruce, James W. Thompson,
               Darvin M. Winick, and Kirby Attwell.


               (c) First item for vote was Proposal no. 1, Election of
               Directors.  This matter of vote for Leonard J. Bruce, Darvin M.
               Winick, and Kirby Attwell was approved by 6,001,470 shares voted
               in favor, and 5,581 shares withheld from voting.  The matter of
               vote for James W. Thompson was approved by 6,001,020 shares in
               favor and 6,031 shares withheld from voting.

               Second item for vote was Proposal no. 2, Adoption of the
               executive incentive compensation plan.  This matter of vote was
               approved by 5,845,650 shares in favor, 148,495 shares against and
               12,906 shares abstained.

               Third item for vote was Proposal no. 3, Amendment of the employee
               stock purchase plan.  This matter of vote approved by 5,744,876
               shares in favor, 251,683 shares against, and 10,492 shares
               abstained.

               Fourth item for vote was Proposal no. 4, Amendment to the 1993
               non-employee director stock option plan.  This matter of vote
               approved by 5,606,176 shares in favor, 388,956 shares against,
               and 11,919 shares abstained.

               Last item for vote was Proposal no. 5, Selection of independent
               auditors.  This matter of vote approved by 5,955,727 shares in
               favor, 39,107 shares against and 12,217 shares abstained.

Item 5.        Other information - None

                                  Page 9 of 11
<PAGE>
 
Item 6.        (a)  Exhibits

               3i.  Restated Articles of Incorporation as amended. Incorporated
                    by reference is Exhibit 3a to the Company's Form 10-K, as
                    filed with the Securities and Exchange Commission on August
                    17, 1990.

               3ii. Bylaws of the Company, as amended, through June 23, 1994,
                    attached hereto.

               27.  Financial Data Schedule, attached hereto.

                                 Page 10 of 11
<PAGE>
 
                                   SIGNATURES


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



                              VALLEN CORPORATION
 
                              Registrant


          January 12, 1996                  /s/ James W. Thompson
      ---------------------------      --------------------------------
Date                                   James W. Thompson
                                       President and Chief Executive Officer



           January 12, 1996                /s/ Leighton J. Stephenson
      ---------------------------      --------------------------------
Date                                   Leighton J. Stephenson
                                       Vice President - Finance,
                                       Secretary and Treasurer

                                 Page 11 of 11

<PAGE>
 
                                                                     EXHIBIT 3II

                                   BYLAWS OF

                              VALLEN CORPORATION
                                (the "Company")

                                   ARTICLE I

                                    Offices

     Section 1.1. Offices. The principal business office of the Company shall be
at 13333 Northwest Freeway, Houston, Texas 77040. The Company may have such 
other business offices within or without the State of Texas as the board of 
directors may from time to time establish.

                                  ARTICLE II

                                 Capital Stock

     Section 2.1. Certificate Representing Shares. Shares of the capital stock 
of the Company shall be represented by certificates in such form or forms as the
board of directors may approve, provided that such form or forms shall comply 
with all applicable requirements of law or of the articles of incorporation. 
Such certificates shall be signed by the president or a vice president, and by 
the secretary or an assistant secretary, of the Company and may be sealed with 
the seal of the Company or imprinted or otherwise marked with a facsimile of 
such seal. In the case of any certificate countersigned by any transfer agent or
registrar, provided such countersigner is not the Company itself or an employee 
thereof, the signature of any or all of the foregoing officers of the Company 
may be represented by a printed facsimile thereof. If any officer whose 
signature, or a facsimile thereof, shall have been set upon any certificate 
shall cease, prior to the issuance of such certificate, to occupy the position 
in right of which his signature, or facsimile thereof, was so set upon such 
certificate, the Company may nevertheless adopt and issue such certificate with 
the same effect as if such officer occupied such position as of such date of 
issuance; and issuance and delivery of such certificate by the Company shall 
constitute adoption thereof by the Company. The certificates shall be 
consecutively numbered, and as they are issued, a record of such issuance shall 
be entered in the books of the Company.

<PAGE>
 
     Stock 2.2. Stock Certificate Book and Shareholders of Record. In the 
absence of a duly appointed transfer agent or registrar, the secretary of the 
Company shall maintain, among other records, a stock certificate book, the stubs
in which shall set forth the names and addresses of the holders of all issued 
shares of the Company, the number of shares held by each, the number of 
certificates representing such shares, the date of issue of such certificates, 
and whether or not such shares originate from original issue or from transfer. 
The names and addresses of shareholders as they appear on the stock certificate 
book shall be the official list of shareholders of record of the Company for all
purposes. The board of directors may appoint a transfer agent or registrar to 
maintain the stock register and to record transfer of shares thereon. The 
Company shall be entitled to treat the holder of record of any shares as the 
owner thereof for all purposes, and shall not be bound to recognize any 
equitable or other claim to, or interest in, such shares or any rights deriving 
from such shares on the part of any other person, including, but without 
limitation, a purchaser, assignee, or transferee, unless and until such other 
person becomes the holder of record of such shares, whether or not the Company 
shall have either actual or constructive notice of the interest of such other 
person.

     Section 2.3. Transfer of Stock. The shares represented by any certificate 
of the Company are transferable only on the books of the Company by the holder 
of record thereof or by his duly authorized attorney or legal representative 
upon surrender of the certificate for such shares, properly endorsed or 
assigned. The board of directors may make such rules and regulations concerning 
the issue, transfer, registration and replacement of certificates as they deem 
desirable or necessary.

     Section 2.4. Transfer Agent and Registrar. The board of directors may 
appoint one or more transfer agents or registrars of the shares, or both, and 
may require all share certificates to bear the signature of a transfer agent or 
registrar, or both.

     Section 2.5. Lost, Stolen or Destroyed Certificates. The Company may issue 
a new certificate for shares of stock in the place of any certificate 
theretofore issued and alleged to have been lost, stolen or destroyed, but the 
board of directors may require the owner of such lost, stolen or destroyed 
certificate, or his legal representative, to furnish an affidavit as to such 
loss, theft, or destruction and to give a bond in such form and substance, and 
with such surety or sureties, with fixed or open penalty, as the board may 
direct, in order to indemnify the 

<PAGE>
 
Company and its transfer agents and registrars, if any, against any claim that 
may be made on account of the alleged loss, theft or destruction of such 
certificate.

     Section 2.6. Fractional Shares. Only whole shares of the stock of the 
Company shall be issued. In case of any transaction by reason of which a 
fractional share might otherwise be issued, the directors, or the officers in 
the exercise of powers delegated by the directors, shall take such measures 
consistent with the law, the articles of incorporation and these bylaws, 
including (for example, and not by way of limitation) the payment in cash of an 
amount equal to the fair value of any fractional share, as they may deem proper 
to avoid the issuance of any fractional share.

                                  ARTICLE III

                               The Shareholders

     Section 3.1. Annual Meeting. Commencing in the calendar year 1980, the 
annual meeting of the shareholders, for the election of directors and for the 
transaction of such other business as may properly come before the meeting, 
shall be held at the principal office of the Company, at 10:00 a.m. local time, 
on the second Tuesday in October of each year unless such day is a legal 
holiday, in which case such meeting shall be held at such hour on the first day 
thereafter which is not a legal holiday; or at such other place and time as may 
be designated by the board of directors. Failure to hold any annual meeting or 
meetings shall not work a forfeiture or dissolution of the Company.

     Section 3.2. Special Meetings. Except as otherwise provided by law or by 
the articles of incorporation, special meetings of the shareholders may be 
called by the chairman of the board, the president, or the board of directors, 
or the holders of not less than one-tenth of all the shares having voting power 
at such meeting, and shall be held at the principal office of the Company or at 
such other place, and at such time, as may be stated in the notice calling such 
meeting. Business transacted at any special meeting of shareholders shall be 
limited to the purpose stated in the notice of such meeting given in accordance 
with the terms of section 3.3.

     Section 3.3. Notice of Meetings -- Waiver. Written or printed notice of 
each meeting of shareholders, stating the place, day and hour of any meeting 
and, in case of a special shareholders' meeting, the purpose or purposes for 
which the meeting is called, shall be delivered not less than ten nor more

<PAGE>
 
than fifty days before the date of such meeting, either personally or by mail, 
by or at the direction of the chairman of the board, the president, the 
secretary, or the persons calling the meeting, to each shareholder of record 
entitled to vote at such meeting. If mailed, such notice shall be deemed to be 
delivered when deposited in the United States mail addressed to the shareholder 
at his address as it appears on the stock transfer books of the Company, with 
postage thereon prepaid. Such further or earlier notice shall be given as may be
required by law. The signing by a shareholder of a written waiver of notice of 
any shareholders' meeting, whether before or after the time stated in such 
waiver, shall be equivalent to the receiving by him of all notice required to be
given with respect to such meeting. Attendance by a shareholder, whether in 
person or by proxy, at a shareholders' meeting shall constitute a waiver of 
notice of such meeting. No notice of any adjournment of any meeting shall be 
required.

     Section 3.4. Closing of Transfer Books and Fixing Record Date. For the 
purpose of determining shareholders entitled to notice of, or to vote at, any 
meeting of shareholders or any adjournment thereof, or shareholders entitled to 
receive payment of any dividend or in order to make a determination of 
shareholders for any other proper purpose, the board of directors of the Company
may provide that the stock transfer books shall be closed for a stated period in
no case to exceed fifty days. If the stock transfer books shall be closed for 
the purpose of determining shareholders entitled to notice of or to vote at a
meeting of shareholders, such books shall be closed for at least ten days
immediately preceding such meeting. In lieu of closing the stock transfer books,
the board of directors may fix in advance a date as the record date for any such
determination of shareholders, such date in no case to be more than fifty days
nor, in case of a meeting of shareholders, less than ten days prior to the date
on which the particular action requiring such determination of shareholders is
to be taken. If the stock transfer books are not closed and no record date is
fixed for the determination of shareholders entitled to notice of or to vote at
a meeting of shareholders, or shareholders entitled to receive payment of a
dividend, the date on which notice of the meeting is mailed or the date on which
the resolution of the board of directors declaring such dividend is adopted, as
the case may be, shall be the record date of such determination of shareholders.
When a determination of shareholders entitled to vote at any meeting of
shareholders has been made, as provided in this section, such determination
shall apply to any adjournment thereof except where the determination has been
made through the closing of stock transfer books and the stated period of
closing has expired.

<PAGE>
 
     Section 3.5. Voting List. The officer or agent having charge of the stock 
transfer books for shares of the Company shall make, at least ten days before 
each meeting of shareholders, a complete list of the shareholders entitled to 
vote at such meeting or any adjournment thereof, arranged in alphabetical order,
with the address of and the number of shares held by each, which list, for a 
period of ten days prior to such meeting, shall be kept on file at the 
registered office of the Company and shall be subject to lawful inspection by
any shareholder at any time during the usual business hours. Such list shall
also be produced and kept open at the time and place of the meeting and shall be
subject to the inspection of any shareholder during the whole time of the
meeting. Failure to comply with this section shall not affect the validity of
any action taken at such meeting.

     Section 3.6. Quorum and Officers. Except as otherwise provided by law, by 
the articles of incorporation or by these bylaws, the holders of a majority of 
the shares entitled to vote and represented in person or by proxy shall 
constitute a quorum at a meeting of shareholders, but the shareholders present 
at any meeting, although representing less than a quorum, may from time to time 
adjourn the meeting to some other day and hour, without notice other than 
announcement at the meeting. The vote of the holders of a majority of the shares
entitled to vote and thus represented at a meeting at which a quorum is present 
shall be the act of the shareholders' meeting, unless the vote of a greater 
number is required by law. The chairman of the board shall preside at, and the 
secretary shall keep the records of, each meeting of shareholders, and in the 
absence of either such officer, his duties shall be performed by any other 
officer authorized by these bylaws or any person appointed by the meeting.

     Section 3.7. Voting at Meetings. Each outstanding share shall be entitled 
to one vote on each matter submitted to a vote at a meeting of shareholders 
except to the extent that the articles of incorporation or the laws of the State
of Texas provide otherwise.

     Section 3.8. Proxies. A shareholder may vote either in person or by proxy 
executed in writing by the shareholder, or by his duly authorized 
attorney-in-fact. Proxies shall be dated but need not be sealed, witnessed and 
acknowledged. No proxy shall be valid after eleven (11) months from the date of 
its execution unless otherwise provided in the proxy. A proxy shall be revocable
unless expressly provided therein to be irrevocable and unless otherwise made 
irrevocable by law. Proxies shall be filed with the secretary of the Company 
before or at the time of the meeting.

<PAGE>
 
     Section 3.9. Balloting. Upon the demand of any shareholder, the vote upon 
any question before the meeting shall be by ballot. At each meeting inspectors 
of election may be appointed by the presiding officer of the meeting, and at any
meeting for the election of directors, inspectors shall be so appointed on the 
demand of any shareholder present or represented by proxy and entitled to vote 
in such election of directors. No director or candidate for the office of 
director shall be appointed as such inspector. The number of votes cast by 
shares in the election of directors shall be recorded in the minutes.

     Section 3.10. Voting Rights, Prohibition of Cumulative Voting for 
Directors. Each outstanding share of common stock shall be entitled to one (1) 
vote upon each matter submitted to a vote at a meeting of shareholders. No 
shareholder shall have the right to cumulate his votes for the election of 
directors but each share shall be entitled to one vote in the election of each 
director. In the case of any contested election for any directorship, the 
candidate for such position receiving a plurality of the votes cast in such 
election shall be elected to such position.

     Section 3.11. Record of Shareholders. The Company shall keep at its 
principal business office, or the office of its transfer agent or registrar, a 
record of its shareholders, giving the names and addresses of all shareholders 
and the number and class of the shares held by each.

     Section 3.12. Action Without Meeting. Any action required by statute to be 
taken at a meeting of the shareholders of the Company, or any action which may 
be taken at a meeting of the shareholders, may be taken without a meeting if a 
consent in writing, setting forth the action so taken, shall be signed by all of
the shareholders entitled to vote with respect to the subject matter thereof and
such consent shall have the same force and effect as a unanimous vote of the 
shareholders. Any such signed consent, or a signed copy thereof, shall be placed
in the minute book of the Company.

                                  ARTICLE IV

                            The Board of Directors

     Section 4.1. Number, Qualifications and Term. The business and affairs of 
the Company shall be managed and controlled by the board of directors; and, 
subject to any restrictions imposed by law, by the articles of incorporation, or
by these bylaws, the board of directors may exercise all the powers of the 
Company. The board of directors shall consist of four

<PAGE>
 
members. Such number may be increased or decreased by amendment of these bylaws,
but no decrease shall have the effect of shortening the term of any incumbent 
director. Directors need not be residents of Texas or shareholders of the 
Company absent provision to the contrary in the articles of incorporation or 
laws of the State of Texas. Except as otherwise provided in section 4.3. of 
these bylaws, each position on the board of directors shall be filled by 
election at the annual meeting of shareholders. Any such election shall be 
conducted in accordance with section 3.7. of these bylaws. Each person elected a
director shall hold office, unless removed in accordance with section 4.2. of 
these bylaws, until the next annual meeting of the shareholders and until his 
successor shall have been duly elected and qualified.

     Section 4.2. Removal. Any director or the entire board of directors may be 
removed from office, with or without cause, at any special meeting of 
shareholders by the affirmative vote of a majority of the shares of the 
shareholders present in person or by proxy and entitled to vote at such meeting,
if notice of the intention to act upon such matter shall have been given in the 
notice calling such meeting. If the notice calling such meeting shall have so 
provided, the vacancy caused by such removal may be filled at such meeting by 
the affirmative vote of a majority in number of the shares of the shareholders 
present in person or by proxy and entitled to vote.

     Section 4.3. Vacancies. Any vacancy occurring in the board of directors may
be filled by the vote of a majority of the remaining directors, even if such 
remaining directors comprise less than a quorum of the board of directors. A 
director elected to fill a vacancy shall be elected for the unexpired term of 
his predecessor in office. Any position on the board of directors to be filled 
by reason of an increase in the number of directors shall be filled by election 
at an annual meeting of the shareholders, or at a special meeting of 
shareholders duly called for such purpose.

     Section 4.4. Place of Meeting. Meetings of the board of directors may be 
held either within or without the State of Texas, at whatsoever place is 
specified by the officer or directors calling the meeting. In the absence of 
other designation, the meeting shall be held at the principal business office of
the Company in the City of Houston, Texas.

     Section 4.5. Regular Meetings. Regular meetings of the board of directors 
shall be held immediately following each annual meeting of shareholders, at the 
place of such meeting, and at such other times and places as the board of 
directors shall determine. No notice of any kind of such regular meetings
needs

<PAGE>
 
to be given to either old or new members of the board of directors.

     Section 4.6. Special Meetings. Special meetings of the board of directors 
shall be held at any time by call of the chairman of the board, the president,
the secretary or any director. The secretary shall give notice of each special
meeting to each director at his usual business or residence address by mail at
least three days before the meeting or by telegraph or telephone at least one
day before such meeting. Except as otherwise provided by law, by the articles of
incorporation, or by these bylaws, such notice need not specify the business to
be transacted at, or the purpose of, such meeting. No notice shall be necessary
for any adjournment of any meeting. The signing of a written waiver of notice of
any special meeting by the person or persons entitled to such notice, whether
before or after the time stated therein, shall be equivalent to the receiving of
such notice. Attendance of a director at a meeting shall also constitute a
waiver of notice of such meeting, except where a director attends a meeting for
the express and announced purpose of objecting to the transaction of any
business on the ground that the meeting is not lawfully called or convened.

     Section 4.7. Quorum. A majority of the number of directors fixed by these 
bylaws shall constitute a quorum for the transaction of business and the act of 
not less than a majority of such quorum of the directors shall be required 
in order to constitute the act of the board of directors, unless the act of a 
greater number shall be required by law, by the articles of incorporation or by 
these bylaws. Any one or more directors, although less than a quorum may adjourn
the meeting to some other day or hour.

     Section 4.8. Procedure at Meetings. The chairman of the board shall preside
at meetings of the board of directors. In his absence at any meeting, any 
officer authorized by these bylaws or any member of the board selected by the 
members present shall preside. The secretary of the Company shall act as 
secretary at all meetings of the board. In his absence, the presiding officer of
the meeting may designate any person to act as secretary. At meetings of the 
board of directors, the business shall be transacted in such order as the board 
may from time to time determine.

     Section 4.9. Presumption of Assent. Any director of the Company who is 
present at a meeting of the board of directors

<PAGE>
 
at which action on any corporate matter is taken shall be presumed to have 
assented to the action taken unless his dissent shall be entered in the minutes 
of the meeting or unless he shall file his written dissent to such action with 
the person acting as the secretary of the meeting before the adjournment thereof
or shall forward such dissent by registered mail to the secretary of the Company
immediately after the adjournment of the meeting. Such right to dissent shall 
not apply to a director who voted in favor of such action.

     Section 4.10. Action Without a Meeting. Any action required by statute to 
be taken at a meeting of the directors of the Company, or which may be taken at 
such meeting, may be taken without a meeting if a consent in writing, setting 
forth the action so taken, shall be signed by each director entitled to vote at 
such meeting, and such consent shall have the same force and effect as a 
unanimous vote of the directors. Such signed consent, or a signed copy thereof, 
shall be placed in the minute book of the Company.

     Section 4.11. Compensation. Directors shall receive such compensation for 
their service as directors or members of the executive committee as the board of
directors may by resolution approve. Any director may serve the Company in any 
other capacity and receive compensation therefor.

     Section 4.12. Executive Committee. The board of directors, by resolution 
adopted by a majority of the number of directors fixed by these bylaws, may 
designate an executive committee, which committee shall consist of two or more 
of the directors of the Company. Such executive committee may exercise such 
authority of the board of directors in the business and affairs of the Company 
as the board of directors may by resolution duly delegate to it except as 
prohibited by law. The designation of such committee and the delegation thereto 
of authority shall not operate to relieve the board of directors, or any member 
thereof, of any responsibility imposed upon it or him by law. Any member of the 
executive committee may be removed by the board of directors by the affirmative 
vote of a majority of the number of directors fixed by the bylaws whenever in 
the judgment of the board the best interests of the Company will be served 
thereby.

     The executive committee shall keep regular minutes of its proceedings and 
report the same to the board of directors when required. The minutes of the 
proceedings of the executive committee shall be placed in the minute book of the
Company.

<PAGE>
 
     Section 4.13. Other Committees of the Board of Directors. The board of 
directors, by resolution adopted by a majority of the number of directors fixed 
by the bylaws, may designate from their number such other committees as they 
shall from time to time deem necessary and proper. Such committees shall be 
composed of not less than two members and shall have and exercise such authority
of the board of directors as shall by resolution be delegated to them. The 
designation of such other committees and the delegation of authority thereto 
shall not operate to relieve the board of directors, or any member thereof, of 
any responsibility imposed upon it or him by law.

     Section 4.14. Meetings and Reports of the Committees. The committees shall 
meet from time to time on call of the Chairman or any two or more members 
thereof. Notice of each such meeting, stating the place, day and hour thereof,
shall be served personally on each member of such committee, or shall be mailed,
telegraphed or telephoned to his address on the books of the Company, at least 
twenty-four (24) hours before the meeting. No such notice need state the 
business proposed to be transacted at the meeting. No notice of the time or 
place at any meeting of such committee need be given to any member thereof who 
attends in person or who, in writing executed and filed with the records of the 
meeting either before or after the holding thereof, waives such notice. No 
notice need be given of an adjourned meeting of any committee. Meetings of the 
committees may be held at such place or places, either within or outside of the 
State of Texas, as such committee shall determine, or as may be specified or 
fixed in the respective notices or waivers thereof. Each committee may fix its 
own rules of procedure. They shall keep record of their proceedings and shall 
report these proceedings to the board of directors at the regular meetings 
thereof held next after they have been taken.

                                   ARTICLE V

                                   Officers

     Section 5.1. Number. The officers of the Company shall consist of a 
chairman of the board, a president, one or more vice presidents, a secretary and
a treasurer; and, in addition, such other officers and assistant officers and 
agents as may be deemed necessary or desirable. Officers shall be elected or 
appointed by the board of directors. Any two or more offices may be held by the 
same person except that the president and secretary shall not be the same 
person. In its discretion, the board of directors may leave unfilled any office 
except those of president, treasurer and secretary.


<PAGE>
 
     Section 5.2. Election; Term; Qualification. Officers shall be chosen by the
board of directors annually at the meeting of the board of directors following 
the annual shareholders' meeting. Each officer shall hold office until his 
successor has been chosen and qualified, or until his death, resignation, or 
removal.

     Section 5.3. Removal. Any officer or agent elected or appointed by the 
board of directors may be removed by the board of directors whenever in its 
judgment the best interests of the Company shall be served thereby, but such 
removal shall be without prejudice to the contract rights, if any, of the person
so removed. Election or appointment of an officer or agent shall not of itself 
create any contract rights.

     Section 5.4. Vacancies. Any vacancy in any office for any cause may be 
filled by the board of directors at any meeting.

     Section 5.5. Duties. The officers of the Company shall have such powers 
and duties, except as modified by the board of directors, as generally pertain 
to their offices, respectively, as well as such powers and duties as from time 
to time shall be conferred by the board of directors and by these bylaws.

     Section 5.6. The Chairman of the Board. The chairman of the board shall be 
the chief officer in charge of policy, planning and corporate development, and 
shall be responsible directly to the board of directors. He shall be available 
to consult with the president on all major decisions relating to the Company's 
business and affairs. He shall preside at all meetings of shareholders and 
directors. He may sign and execute in the name of the Company (i) all contracts 
or other instruments authorized by the board of directors, and (ii) all 
contracts or instruments in the usual and regular course of business, pursuant 
to section 6.2 hereof, except in cases when the signing and execution thereof 
shall be expressly delegated by the board or by these bylaws to some other 
officer or agent of the Company; and, he shall perform such other duties as the 
bylaws provide or the board of directors may prescribe.

     Section 5.7. The President. The president shall be the chief executive 
officer and shall, subject to the control of the board of directors, have 
general supervision, direction and control of the business and affairs of the 
Company. He may sign, with the secretary or an assistant secretary, any or all 
certifi-
<PAGE>
 
cates of stock of the Company. He may sign and execute in the name of the 
Company (i) all contracts or other instruments authorized by the board of 
directors, and (ii) all contracts or instruments in the usual and regular course
of business, pursuant to section 6.2 hereof, except in cases when the signing 
and execution thereof shall be expressly delegated by the board or by these 
bylaws to some other officer or agent of the Company. At the request of the 
chairman of the board, or in his absence or disability, he shall preside at 
meetings of shareholders and directors. He shall, in general, have the powers 
and duties of management usually vested in the office of president of a 
corporation and shall have such other powers and duties as may be assigned to 
him by the board of directors.

     Section 5.8. The Vice Presidents. At the request of the president, or in 
his absence or disability, the vice presidents, in the order of their election, 
shall perform the duties of the president, and, when so acting, shall have all 
the powers of, and be subject to all restrictions upon, the president. Any 
action taken by a vice president in the performance of the duties of the 
president shall be conclusive evidence of the absence or inability to act of the
president at the time such action was taken. The vice presidents shall perform 
such other duties as may, from time to time, be assigned to them by the board of
directors or the president. A vice president may sign, with the secretary or an 
assistant secretary, certificates of stock of the Company.

     Section 5.9. Secretary. The secretary shall keep the minutes of all 
meetings of the shareholders, of the board of directors, and of the executive 
committee, if any, of the board of directors, in one or more books provided for 
such purpose and shall see that all notices are duly given in accordance with 
the provisions of these bylaws or as required by law. He shall be custodian of 
the corporate records and of the seal (if any) of the Company and see, if the 
Company has a seal, that the seal of the Company is affixed to all documents the
execution of which on behalf of the Company under its seal is duly authorized; 
shall have general charge of the stock certificate books, transfer books and 
stock ledgers, and such other books and papers of the Company as the board of 
directors may direct, all of which shall, at all reasonable times, be open to 
the examination of any director, upon application at the office of the Company 
during business hours; and in general shall perform all duties and exercise all 
powers incident to the office of the secretary and such other duties and powers 
as the board of directors or the president from time to time may assign to or 
confer on him.

<PAGE>
 
     Section 5.10. Treasurer. The treasurer shall keep complete and accurate 
records of account, showing at all times the financial condition of the Company.
He shall be the legal custodian of all money, notes, securities and other 
valuables which may from time to time come into the possession of the Company. 
He shall furnish at meetings of the board of directors, or whenever requested, a
statement of the financial condition of the Company, and shall perform such 
other duties as these bylaws may require or the board of directors may 
prescribe.

     Section 5.11. Assistant Officers. Any assistant secretary or assistant 
treasurer appointed by the board of directors shall have power to perform, and 
shall perform, all duties incumbent upon the secretary or treasurer of the 
Company, respectively, subject to the general direction of such respective 
officers, and shall perform such other duties as these bylaws may require or the
board of directors may prescribe.

     Section 5.12. Salaries. The salaries or other compensation of the officers 
shall be fixed from time to time by the board of directors. No officer shall be 
prevented from receiving such salary or other compensation by reason of the fact
that he is also a director of the Company.

     Section 5.13. Bonds of Officers. The board of directors may secure the 
fidelity of any officer of the Company by bond or otherwise, on such terms and 
with such surety or sureties, conditions, penalties or securities as shall be 
deemed proper by the board of directors.

     Section 5.14. Delegation. The board of directors may delegate temporarily 
the powers and duties of any officer of the Company, in case of his absence or 
for any other reason, to any other officer, and may authorize the delegation by 
any officer of the Company of any of his powers and duties to any agent or 
employee, subject to the general supervision of such officer.

                                  ARTICLE VI

                                 Miscellaneous

     Section 6.1. Dividends. Dividends on the outstanding shares of the Company,
subject to the provisions of the articles of incorporation, if any, may be 
declared by the board of directors at any regular or special meeting, pursuant 
to law. Dividends may be paid by the Company in cash, in property, or in the 
Company's own shares, but only out of the unreserved and unrestricted earned 
surplus of the Company, except as otherwise allowed by law.

<PAGE>
 
     Subject to limitations upon the authority of the board of directors imposed
by law or by the articles of incorporation, the declaration of and provision for
payment of dividends shall be at the discretion of the board of directors.

     Section 6.2. Contracts. The chairman of the board and president shall each 
have the power and authority to execute, on behalf of the Company, contracts or 
instruments in the usual and regular course of business, and in addition, the 
board of directors may authorize any officer or officers, agent or agents, of 
the Company to enter into any contract or execute and deliver any instrument in 
the name of and on behalf of the Company, and such authority may be general or 
confined to specific instances. Unless so authorized by the board of directors 
or by these bylaws, no officer, agent or employee shall have any power or 
authority to bind the Company or any contract or engagement, or to pledge its 
credit or to render its pecuniarily liable for any purpose or in any amount.

     Section 6.3. Checks, Drafts, etc. All checks, drafts, or other orders for 
the payment of money, notes, or other evidences of indebtedness issued in the 
name of the Company shall be signed by such officers or employees of the Company
as shall from time to time be authorized pursuant to these bylaws or by 
resolution of the board of directors.

     Section 6.4. Depositories. All funds of the Company shall be deposited from
time to time to the credit of the Company in such banks or other depositories as
the board of directors may from time to time designate, and upon such terms and 
conditions as shall be fixed by the board of directors. The board of directors 
may from time to time authorize the opening and maintaining within any such 
depository as it may designate, of general and special accounts, and may make 
such special rules and regulations with respect thereto as it may deem 
expedient.

     Section 6.5. Endorsement of Stock Certificates. Subject to the specific 
directions of the board of directors, any share or shares of stock issued by any
corporation and owned by the Company, including reacquired shares of the 
Company's own stock, may, for sale or transfer, be endorsed in the name of the 
Company by the president or any vice president; and such endorsement may be 
attested or witnessed by the secretary or any assistant secretary either with or
without the affixing thereto of the corporate seal.

     Section 6.6. Voting of Shares Owned by the Corporation. Unless otherwise 
ordered by the board of directors, the chairman of the board, the president, the
secretary and the treasurer, or 
<PAGE>
 
any of them, shall have full power and authority on behalf of the Company to 
attend and to vote and to grant proxies to be used at any meeting of
shareholders of any corporation in which the Company may hold stock. The board
of directors may confer like powers upon any other person or persons.

     Section 6.7. Corporate Seal. The corporate seal, if any, shall be in such 
form as the board of directors shall approve, and such seal, or a facsimile 
thereof, may be impressed on, affixed to, or in any manner reproduced upon, 
instruments of any nature required to be executed by officers of the Company.

     Section 6.8. Fiscal Year. The fiscal year of the Company shall begin and 
end on such dates as the board of directors at any time shall determine.

     Section 6.9. Books and Records. The Company shall keep correct and complete
books and records of account and shall keep minutes of the proceedings of its 
shareholders and board of directors, and shall keep at its registered office or 
principal place of business, or at the office of its transfer agent or 
registrar, a record of its shareholders, giving the names and addresses of all 
shareholders and the number and class of the shares held by each.

     Section 6.10. Resignations. Any director or officer may resign at any time.
Such resignations shall be made in writing and shall take effect at the time 
specified therein, or, if no time is specified, at the time of its receipt by 
the president or secretary. The acceptance of a resignation shall not be 
necessary to make it effective, unless expressly so provided in the resignation.

     Section 6.11. Indemnification of Officers and Directors.

     (a) The Company shall indemnify any person who was or is a party or is 
threatened to be made a party to any threatened, pending or completed action, 
suit or proceeding, whether civil, criminal, administrative or investigative 
(other than an action by or in the right of the Company) by reason of the fact 
that he is or was a director of the Company, or is or was serving at the request
of the Company as a director or officer of another corporation, partnership, 
joint venture, trust or other enterprise, against expenses (including attorneys'
fees), judgments, fines and amounts paid in settlement actually and reasonably 
incurred by him in connection with such action, suit or proceeding if he acted 
in good faith and in a manner he reasonably believed to be in or not opposed to 
the best interests of the Company,

 
<PAGE>
 
and, with respect to any criminal action or proceeding, had no reasonable cause 
to believe his conduct was unlawful. The termination of any action, suit or 
proceeding by judgment, order, settlement or conviction, or upon a plea of nolo 
contendere or its equivalent, shall not, of itself, create a presumption that 
the person did not act in good faith and in a manner which he reasonably 
believed to be in or not opposed to the best interests of the Company, and, with
respect to any criminal action or proceeding, had reasonable cause to believe 
that his conduct was unlawful.

     (b) The Company shall indemnify any person who was or is a party or is 
threatened to be made a party to any threatened, pending or completed action or 
suit by or in the right of the Company to procure a judgment in its favor by 
reason of the fact that he is or was a director or officer of the Company, or is
or was serving at the request of the Company as a director or officer of another
corporation, partnership, joint venture, trust or other enterprise against 
expenses (including attorneys' fees) actually and reasonably incurred by him in 
connection with the defense or settlement of such action or suit if he acted in
good faith and in a manner he reasonably believed to be in or not opposed to the
best interests of the Company and except that no indemnification shall be made
in respect of any claim, issue or matter as to which such person shall have been
adjudged to be liable for negligence or misconduct in the performance of his
duty to the Company unless and only to the extent that the court in which such
action or suit was brought shall determine upon application that, despite the
adjudication of liability but in view of all the circumstances of the case, such
person is fairly and reasonably entitled to indemnity for such expenses which
such court shall deem proper.

     (c) To the extent that a director or officer of the Company has been 
successful on the merits or otherwise in defense of any action, suit or 
proceeding referred to in subsections (a) and (b), or in defense of any claim, 
issue or matter therein, the Company shall indemnify him against expenses 
(including attorneys' fees) actually and reasonably incurred by him in 
connection therewith.

     (d) The determination that an officer or director has met the applicable 
standard of conduct set forth in subsections (a) and (b) (unless indemnification
is ordered by a court or required by subsection (c)) shall be made (1) by the 
board of directors by a majority vote of a quorum consisting of directors who
were not parties to such action, suit or proceeding, or (2) if such quorum is
not obtainable, or, even if obtainable a quorum

<PAGE>
 
of disinterested directors so directs, by independent legal counsel in a written
opinion, or (3) by the stockholders.

     (e) Expenses incurred in defending a civil or criminal action, suit or 
proceeding shall be paid by the Company in advance of the final disposition of 
such action, suit or proceeding when authorized by the board of directors in the
specific case upon receipt of an undertaking by or on behalf of the director or 
officer to repay such amount unless it shall ultimately be determined that he is
entitled to be indemnified by the Company as authorized in this Section 6.11.

     (f) For purposes of this section 6.11, references to "the Company" shall 
include, in addition to the resulting corporation, any constituent corporation 
(including any constituent of a constituent) absorbed in a consolidation or 
merger which, if its separate existence had continued, would have had power and 
authority to indemnify its directors and officers so that any person who is or 
who was a director or officer of such constituent corporation, or is or was 
serving at the request of such constituent corporation as a director or officer 
of another corporation, partnership, joint venture, trust or other enterprise, 
shall stand in the same position under the provisions of this section 6.11, with
respect to the resulting or surviving corporation as he would have with respect 
to such constituent corporation if its separate existence had continued.

     (g) The indemnification provided hereunder shall not be deemed exclusive of
any other rights to which those seeking indemnification may be entitled under 
any other bylaw, agreement, vote of stockholders or disinterested directors or 
otherwise, both as to action in their official capacity and as to action in 
another capacity while holding such office, and shall continue as to a person 
who has ceased to be a director or officer and shall inure to the benefit of the
heirs, executors and administrators of such a person.

     (h) The Company intends that the indemnification provided hereunder shall 
indemnify its officers and directors to the fullest extent possible under the 
Texas Business Corporation Act; and if any indemnification which would otherwise
be granted by this section 6.11 shall be disallowed by any competent court or 
administrative body as illegal, then any officer or director with respect to 
whom such adjudication was made, and any other officer or director, shall be 
indemnified to the fullest extent permitted under the Texas Business Corporation
Act.


<PAGE>
 
     Section 6.12. Meetings by Telephone. Subject to the provisions required or 
permitted by these bylaws or the laws of the State of Texas for notice of 
meetings, shareholders, members of the board of directors, or members of any 
committee designated by the board of directors may participate in and hold any 
meeting required or permitted under these bylaws by telephone or similar 
communications equipment by means of which all persons participating in the 
meeting can hear each other. Participation in a meeting pursuant to this section
shall constitute presence in person at such a meeting, except where a person 
participates in the meeting for the express purpose of objecting to the 
transaction of any business on the ground that the meeting is not lawfully 
called or convened.

                                  ARTICLE VII

                                  Amendments

     Section 7.1. Amendments. These bylaws may be altered, amended, or repealed,
or new bylaws may be adopted, by a majority of the board of directors at any 
duly held meeting of directors or by the holders of a majority of the shares 
represented at any duly held meeting of shareholders; provided that notice of 
such proposed action shall have been contained in the notice of any such 
meeting.

                              List of Amendments

Amendment 1 -- dated October 12, 1983

Amendment 2 -- dated April 12, 1984

Amendment 3 -- dated October 11, 1988
<PAGE>
 
                                  AMENDMENT 1

    Sections 4.1 and 4.3 of the bylaws of Vallen Corporation are amended to 
allow the Vallen Corporation Board of Directors to increase its number in the 
interim period between annual shareholders' meetings and to fill the vacancies 
created by the increase, provided that the directors may not appoint more than 
two new (increased) directors, in any period between shareholders' meetings. If 
the Board of Directors is to be increased by a number greater than two, a 
shareholders' meeting and election of such additional directors will be 
required.







Dated: October 12, 1983

<PAGE>
 
                                  AMENDMENT 2

     Section 4.1 of the bylaws of Vallen Corporation is amended to state that 
the Board of Directors shall consist of three members.









Dated: April 12, 1984
<PAGE>
 
                                  AMENDMENT 3

     RESOLVED, that Section 4.1 of the Bylaws of Vallen Corporation be amended 
to state that the Board of Directors shall consist of four members.









Dated:      April 22, 1985
Effective:  June 1, 1985

<PAGE>
 
                                  AMENDMENT 4

     The bylaws were amended to include a new Section 6.11.

     Section 6.11. Indemnification of Officers and Directors.

     (a) The Company shall indemnify any person who was or is a named defendant 
or respondent or is threatened to be made a named defendant or respondent to any
threatened, pending or completed action, suit or proceeding, whether civil, 
criminal, administrative, arbitrative or investigative, any appeal to such an 
action, suit or proceeding and any inquiry or investigation that could lead to 
such an action, suit or proceeding (collectively, such actions, suits, 
proceedings, appeals, inquiries and investigations are referred to collectively 
as "Proceedings" and individually as "Proceeding") by reason of the fact that 
such person either is or was a director of the Company, or  while a director of 
the Company, is or was serving at the request of the Company as a director, 
officer, partner, venturer, proprietor, trustee, employee, agent or similar 
functionary of another domestic or foreign corporation, partnership, joint 
venture, sole proprietorship, trust, employee benefit plan or other enterprise, 
against judgments, penalties (including excise and similar taxes), fines, 
settlements and reasonable expenses actually incurred by such person in 
connection with such Proceeding if it is determined that such person conducted 
himself in good faith, and if such conduct was in such person's official 
capacity as a director of the Company, in a manner he reasonably believed to be 
in the best interests of the Company, and, in all other cases, in a manner he 
reasonably believed was not opposed to the best interests of the Company and, in
the case of any criminal Proceeding, had no reasonable cause to believe his 
conduct was unlawful, provided that if a person is found liable to the Company 
or is found liable on the basis that personal benefit was improperly received by
him, the indemnification (i) shall be limited to reasonable expenses (including 
court costs and attorneys' fees) actually incurred by the person in connection 
with the Proceeding and (ii) shall not be made in respect of any Proceeding in 
which the person shall have been found liable for willful or intentional 
misconduct in the performance of his duty to the Company. The Company shall pay 
or reimburse expenses incurred by a director in connection with such person's 
appearance as a witness or other participation in a Proceeding at a time when 
such person is not named defendant or respondent in such Proceeding.

<PAGE>
 
     (b) The determination to be made in such subsection (a) of this Section 
6.11 shall be made (i) by the board of directors by a majority vote of a quorum 
consisting of directors who at the time of the vote are not named defendants or 
respondents in the Proceeding; or (ii) if such a quorum cannot be obtained, by a
majority vote of a committee of the board of directors, designated to act in the
matter by a majority vote of all directors, consisting solely of two or more 
directors who at the time of the vote are not named defendants or respondents to
the Proceeding; or (iii) by a special legal counsel selected by the board of 
directors or a committee of the board by vote as set forth in subsection (i) or 
(ii), or, if such a quorum cannot be obtained and such a committee cannot be 
established by a majority vote of all directors; or (iv) by the shareholders in 
a vote that excludes the shares held by directors who are named defendants or 
respondents in the Proceeding. A determination as to the reasonableness of 
expenses (including court costs and attorneys' fees) shall be made in the same 
manner as the determination that indemnification is permissible; provided, 
however, that if the determination required to be made under subsection (a) of 
this Section 6.11 is made by special legal counsel, the determination as to 
reasonableness of expenses shall be made in the manner specified in this 
subsection (b) (iii) for the selection of legal counsel.

     (c) Reasonable expenses incurred by a director in connection with a 
Proceeding, shall be paid by the Company in advance of the final disposition of 
such Proceeding and without any of the determination specified in subsection (b)
of this Section 6.11 upon receipt by the Company of a written affirmation by the
director of his good faith belief that he has met the standard of conduct 
necessary for indemnification under this Section 6.11 and a written undertaking 
by or on behalf of the director to repay such amount if it is ultimately 
determined that he is not entitled to be indemnified by the Company as 
authorized in this Section 6.11, which undertaking shall be an unlimited general
obligation of such director and may be unsecured.

     (d) The right to indemnification conferred in this Section 6.11 shall be a 
contract right and shall not be deemed exclusive of any other rights to which 
those indemnified may be entitled under any other law, bylaw, agreement, vote 
of shareholders or disinterested directors, or otherwise, both as to action in 
their official capacities and as to action in another capacity while acting as a
director and shall continue as to a person who has ceased to be a director and 
shall inure to the benefit of the heirs, executors and administrators of such 
person. Any indemnification of or advance of expenses to a director in 
accordance with this Section 6.11 shall be reported in writing to the 
shareholders in accordance with the provisions of Article 2.02-1 of the Texas 
Business Corporation Act or any successor provision thereto.

<PAGE>
 
     (e) The Company may purchase and maintain insurance on behalf of any person
who is or was a director, officer or employee of the Company, or who is or was 
serving at the request of the Company as a director, officer, partner, venturer,
proprietor, trustee, employee, agent, or similar functionary of another foreign 
or domestic corporation, partnership, joint venture, sole proprietorship, trust,
other enterprise, or employee benefit plan, against any liability asserted 
against and incurred by that person in such a capacity or arising out of his 
status as such a person, whether or not the Company would have the power to 
indemnify such person against such liability under this Section 6.11.

     (f) The Company intends that the indemnification provided hereunder shall 
indemnify its directors to the fullest extent possible under the Texas Business 
Corporation Act; and if any indemnification which would otherwise be granted by 
this Section 6.11 shall be disallowed by any competent court or administrative 
body as illegal, then any officer or director with respect to whom such 
adjudication was made, and any other officer or director, shall be indemnified 
to the fullest extent permitted under the Texas Business Corporation Act.

          RESOLVED, that consistent with recent changes in the Texas Business
          Corporation Act, the bylaws of the Company be and hereby are amended
          to change the phrase "fifty days" appearing in the sixth line of
          Section 3.3 and in the seventh and fourteenth lines of Section 3.4 in
          each instance to read "sixty days" and to change the second sentence
          of the first paragraph of Section 6.1 to read in its entirety as
          follows:

               "Dividends may be paid by the Company in cash, in property, or in
               the Company's own shares, but only if (i) after giving effect to
               such dividend the Company will not be insolvent and (ii) the
               amount of such dividend does not exceed the surplus of the
               Company, except as otherwise allowed by law."

<PAGE>
 
                                  AMENDMENT 5

     RESOLVED, that Section 4.1 of the Bylaws of Vallen Corporation be amended
to state that the Board of Directors shall consist of five members.











Dated:     June 23, 1994
Effective: June 23, 1994


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<PAGE>
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THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
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