AVIRON
10-Q, 1996-12-20
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 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 SEPTEMBER 30, 1996
 
                                       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 0-20815
 
                                     AVIRON
 
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                      <C>
               DELAWARE                                77-0309686
- --------------------------------------   --------------------------------------
    (State or other jurisdiction of       (I.R.S. Employer Identification No.)
    incorporation or organization)
</TABLE>
 
           297 North Bernardo Avenue, Mountain View, California 94043
          (Address of principal executive offices including zip code)
                                 (415) 919-6500
              (Registrant's telephone number, including area code)
 
    ------------------------------------------------------------------------
 
   (Former name, former address and former fiscal year, if changed since last
                                    report)
 
    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 ____ No _X_
 
    Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date.
 
<TABLE>
<S>                                      <C>
      Common Stock $.01 par value                   11,447,382 shares
- --------------------------------------   --------------------------------------
                (Class)                    (Outstanding at December 10, 1996)
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                     AVIRON
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                                          PAGE NUMBER
                                                                                                       -----------------
<S>          <C>                                                                                       <C>
COVER PAGE...........................................................................................              1
 
TABLE OF CONTENTS....................................................................................              2
 
PART I. FINANCIAL INFORMATION........................................................................              3
 
  ITEM 1.    FINANCIAL STATEMENTS AND NOTES (UNAUDITED)..............................................              3
 
             Condensed Balance Sheets as of September 30, 1996 and December 31, 1995.................              3
 
             Condensed Statements of Operations for the three- and nine-month periods ended September              4
               30, 1996 and 1995.....................................................................
 
             Condensed Statements of Cash Flows for the nine-month periods ended September 30, 1996                5
               and 1995..............................................................................
 
             Notes to Condensed Financial Statements.................................................              6
 
  ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF                            8
               OPERATIONS............................................................................
 
PART II. OTHER INFORMATION...........................................................................             11
 
  ITEM 1.    LEGAL PROCEEDINGS.......................................................................             11
 
  ITEM 2.    CHANGES IN SECURITIES...................................................................             11
 
  ITEM 3.    DEFAULTS UPON SENIOR SECURITIES.........................................................             11
 
  ITEM 4.    SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.....................................             11
 
  ITEM 5.    OTHER INFORMATION.......................................................................             11
 
  ITEM 6.    EXHIBITS AND REPORTS ON FORM 8-K........................................................             11
 
SIGNATURES...........................................................................................             13
 
EXHIBIT INDEX........................................................................................             14
</TABLE>
 
                                       2
<PAGE>
PART I--FINANCIAL INFORMATION
 
ITEM 1. FINANCIAL STATEMENTS
 
                                     AVIRON
                            CONDENSED BALANCE SHEETS
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                       SEPTEMBER    DECEMBER
                                                                          30,          31,
                                                                         1996         1995
                                                                      -----------  -----------
                                                                      (UNAUDITED)
<S>                                                                   <C>          <C>
                                            ASSETS
CURRENT ASSETS:
  Cash and cash equivalents.........................................   $   3,818    $  11,532
  Short-term investments............................................       1,506        6,287
  Accounts receivable...............................................         500           --
  Prepaid expenses and other current assets.........................       1,220          679
                                                                      -----------  -----------
Total current assets................................................   $   7,044    $  18,498
                                                                      -----------  -----------
Property and equipment, net.........................................       2,350        1,275
Deposits and other assets...........................................          92          105
                                                                      -----------  -----------
TOTAL ASSETS........................................................   $   9,486    $  19,878
                                                                      -----------  -----------
                                                                      -----------  -----------
 
                             LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
  Accounts payable..................................................   $     823    $     312
  Accrued compensation..............................................         173          130
  Accrued clinical trial costs......................................         527          545
  Accrued offering costs............................................         530           --
  Accrued expenses and other liabilities............................         196          108
  Deferred revenue..................................................          63          208
  Current portion of capital lease obligations......................         601          420
                                                                      -----------  -----------
Total Current Liabilities...........................................   $   2,913    $   1,723
                                                                      -----------  -----------
Capital lease obligations, noncurrent...............................         954          618
 
STOCKHOLDERS' EQUITY:
  Preferred stock, no par value; 43,000,000 shares authorized,
    issuable in Series; 39,031,971 and 39,168,297 convertible
    preferred shares issued and outstanding at December 31, 1995 and
    September 30,1996, respectively.................................   $  40,028    $  39,844
  Common stock, no par value; 53,000,000 shares authorized; 758,306
    and 1,121,084 shares issued and outstanding at December 31, 1995
    and September 30, 1996, respectively............................       2,355          317
  Notes from stockholders...........................................        (262)          --
  Deferred compensation.............................................      (1,305)        (180)
  Accumulated deficit...............................................     (35,197)     (22,444)
                                                                      -----------  -----------
Total Stockholders' Equity..........................................   $   5,619    $  17,537
                                                                      -----------  -----------
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY..........................   $   9,486    $  19,878
                                                                      -----------  -----------
                                                                      -----------  -----------
</TABLE>
 
                                       3
<PAGE>
                            See accompanying notes.
 
                                     AVIRON
                            STATEMENTS OF OPERATIONS
                                  (UNAUDITED)
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                            THREE MONTHS ENDED
                                                                     NINE MONTHS ENDED
                                              SEPTEMBER 30,            SEPTEMBER 30,
                                          ----------------------  -----------------------
                                             1996        1995        1996         1995
                                          ----------  ----------  -----------  ----------
<S>                                       <C>         <C>         <C>          <C>
Total Revenues..........................  $      688  $       12  $     1,063  $       75
 
OPERATING EXPENSES:
  Research and Development..............  $    4,372  $    2,204  $    10,705  $    7,541
  General and Administrative............  $    1,190  $      769  $     3,465  $    2,334
                                          ----------  ----------  -----------  ----------
TOTAL OPERATING EXPENSES................  $    5,562  $    2,973  $    14,170  $    9,875
                                          ----------  ----------  -----------  ----------
LOSS FROM OPERATIONS....................  $   (4,874) $   (2,961) $   (13,107) $   (9,800)
                                          ----------  ----------  -----------  ----------
OTHER INCOME/(EXPENSE):
  Interest Income.......................  $      107  $      171  $       505  $      289
  Interest Expense......................         (58)        (45)        (138)       (123)
                                          ----------  ----------  -----------  ----------
TOTAL OTHER INCOME, NET.................  $       49  $      126  $       367  $      166
                                          ----------  ----------  -----------  ----------
NET LOSS................................  $   (4,825) $   (2,835) $   (12,740) $   (9,634)
                                          ----------  ----------  -----------  ----------
                                          ----------  ----------  -----------  ----------
 
Pro forma Net Loss Per Share............  $     0.52  $     0.31  $      1.38  $     1.05
Shares used in calculating proforma net
  loss per share........................       9,222       9,205        9,211       9,151
                                          ----------  ----------  -----------  ----------
                                          ----------  ----------  -----------  ----------
</TABLE>
 
                                       4
<PAGE>
                                     AVIRON
                       CONDENSED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                                               NINE MONTHS ENDED
                                                                                                 SEPTEMBER 30,
                                                                                             ---------------------
                                                                                                1996       1995
                                                                                             ----------  ---------
<S>                                                                                          <C>         <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net Loss...................................................................................  $  (12,740) $  (9,634)
Adjustment to reconcile net loss to net cash used in operating activities:
  Depreciation and amortization............................................................         852        449
  Acquired technology and patent rights....................................................           0      1,588
  Changes in Assets and Liabilities
    Accounts Receivable....................................................................        (500)      (149)
    Prepaid Expenses and Other Current Assets..............................................        (541)      (108)
    Deposits and Other Assets..............................................................          13        (86)
    Accounts Payable.......................................................................         511        112
    Accrued Expenses and Other Liabilities.................................................         643        279
    Deferred Revenue.......................................................................        (145)         0
                                                                                             ----------  ---------
NET CASH USED IN OPERATING ACTIVITIES......................................................  $  (11,907) $  (7,549)
                                                                                             ----------  ---------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Purchases of short-term investments......................................................      (5,281)    (8,713)
  Sales/maturities of short-term investments...............................................      10,049      6,224
  Expenditures for property and equipment..................................................        (509)      (117)
                                                                                             ----------  ---------
NET CASH PROVIDED BY INVESTING ACTIVITIES..................................................  $    4,259  $  (2,606)
                                                                                             ----------  ---------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Principal payments on capital lease obligation...........................................        (449)      (247)
  Cash proceeds from issuance of:
    Convertible Preferred Stock............................................................         184     13,380
    Common Stock...........................................................................         199          1
                                                                                             ----------  ---------
CASH FLOWS USED IN FINANCING ACTIVITIES....................................................  $      (66) $  13,134
                                                                                             ----------  ---------
 
NET INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS.......................................  $   (7,714) $   2,979
 
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD...........................................      11,532        952
                                                                                             ----------  ---------
CASH AND CASH EQUIVALENTS AT END OF PERIOD.................................................  $    3,818  $   3,931
                                                                                             ----------  ---------
                                                                                             ----------  ---------
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING ACTIVITIES:
  Fixed Assets Financed by Capital Obligations.............................................  $      966  $     321
                                                                                             ----------  ---------
                                                                                             ----------  ---------
  Deferred Compensation related to the grant of certain stock options, net of
    cancellations..........................................................................  $    1,577  $       0
  Issuance of Notes receivable for Common Stock, net of cancellations......................  $      262  $       0
</TABLE>
 
                                       5
<PAGE>
                                     AVIRON
 
                    NOTES TO CONDENSED FINANCIAL STATEMENTS
 
                         SEPTEMBER 30, 1996 (UNAUDITED)
 
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
    BASIS OF PRESENTATION
 
    The financial information at September 30, 1996 and for the three and nine
months ended September 30, 1996 and 1995 is unaudited, but includes all
adjustments (consisting only of normal recurring adjustments) which Aviron (the
"Company") considers necessary for a fair presentation of the financial position
at such date and the operating results and cash flows for those periods. The
balance sheet data at December 31, 1995 is derived from audited financial
statements at that date. The accompanying condensed financial statements should
be read in conjunction with the financial statements and notes thereto for the
year ended December 31, 1995 included in the Company's Prospectus dated November
5, 1996. The results of the Company's operations for any interim period are not
necessarily indicative of the results of the Company's operations for a full
fiscal year.
 
2. NET LOSS PER SHARE
 
    Except as noted below, historical net loss per share is computed using the
weighted average number of common shares outstanding. Common equivalent shares
from stock options, convertible preferred stock and warrants are excluded from
the computation as their effect is antidilutive, except that, pursuant to the
Securities and Exchange Commission Staff Accounting Bulletins, common and common
equivalent shares issued during the 12 month prior to the initial filing of the
Company's initial public offering at prices substantially below the public
offering price have been included in the calculation as if they were outstanding
for all periods through September 30, 1996 (using the treasury stock method and
the assumed public offering price for stock options and warrants and the
if-converted method for convertible preferred stock).
 
    Net loss per share calculated at this basis was as follows:
 
<TABLE>
<CAPTION>
  THREE MONTHS ENDED      NINE MONTHS ENDED
      SEPT. 30,                SEPT. 30
- ----------------------  ----------------------
<S>         <C>         <C>         <C>
   1996        1995        1996        1995
- ----------  ----------  ----------  ----------
$     1.04  $     0.62  $     2.76  $     2.09
 4,623,930   4,607,253   4,612,812   4,606,943
</TABLE>
 
    Pro forma per share data for the three and nine months ended September 30,
1996 and 1995, respectively, gives effect to the conversion of the preferred
stock (which converted into shares of common stock upon the completion of the
initial public offering) as if converted from the original date of issuance.
 
3. REVERSE STOCK SPLIT
 
    In May 1996, the Company effected a one-for-five reverse stock split of the
Company's common stock. In addition, the conversion ratio of all outstanding
shares of convertible preferred stock were adjusted such that each share of
preferred stock converted into .20 shares of common stock. All references in the
accompanying financial statements to the number of shares of common stock and
the preferred to common stock conversion rates and per share amounts have been
retroactively restated to reflect the reverse stock split.
 
                                       6
<PAGE>
                                     AVIRON
 
              NOTES TO CONDENSED FINANCIAL STATEMENTS (CONTINUED)
 
                         SEPTEMBER 30, 1996 (UNAUDITED)
 
4. SUBSEQUENT EVENTS
 
    On November 7, 1996, the Company completed its initial public offering of
2,000,000 shares of common stock at $8.00 per share. Upon effectiveness of the
registration statement relating to the offering, all of the preferred stock
outstanding automatically converted into approximately 7,833,634 shares of
common stock. Concurrently Sang-A Pharmaceuticals purchased 222,222 shares of
common stock in a private placement at the same price. The proceeds from the
initial public offering to the company after underwriting discounts,
commissions, and other selling expenses, together with the concurrent sale of
the shares to Sang-A, were approximately $15.9 million. On December 10, 1996,
the underwriters exercised their overallotment option to purchase an additional
152,800 shares of common stock and Sang-A Pharmaceuticals purchased an
additional 16,978 shares, from which the Company received additional aggregate
proceeds of approximately $1.3 million.
 
                                       7
<PAGE>
ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS
 
    The following Management's Discussion and Analysis of Financial Condition
and Results of Operations contains forward-looking statements which involve
risks and uncertainties. The Company's actual results could differ materially
from those anticipated in these forward-looking statements as a result of
certain factors, including those set forth under "Risk Factors" in the Company's
Registration Statement on Form S-1, File No. 333-05209, filed June 5, 1996, as
amended.
 
OVERVIEW
 
    Since its inception in April 1992, Aviron has devoted substantially all of
its resources to its research and development programs. To date, Aviron has not
generated any revenues from the sale of products and does not expect to generate
any such revenues for at least several years, if at all. Aviron has incurred
cumulative net losses of approximately $35.2 million as of September 30, 1996,
and it expects to incur increasing operating losses for a number of years.
 
    Aviron has financed its operations through proceeds from a public offering
of Common Stock in November 1996, private placements of Preferred Stock, revenue
from its collaborative agreements, including reimbursement of certain of
Aviron's research and development expenses, equipment lease financing and
investment income earned on cash balances and short-term investments.
 
    The Company expects its research and development expenditures to increase
substantially over the next several years as the Company expands its research
and development efforts and preclinical testing and clinical trials with respect
to certain of its programs. In addition, general and administrative expenses are
expected to continue to increase as the Company expands its operations and
incurs the additional expenses associated with operating as a public company.
 
    In October 1995, the Company signed an agreement with SmithKline Beecham
defining a collaboration on the Company's Epstein-Barr virus (EBV) vaccine
technology (the SB Agreement). Under the terms of the SB Agreement, the Company
granted SmithKline Beecham an exclusive license to produce, use and sell EBV
vaccines incorporating the Company's technology for prophylactic and therapeutic
uses on a worldwide basis, except in South and North Korea (together, Korea).
The Company has retained the right to co-distribute a monovalent formulation of
the vaccine in certain markets in the United States and to have SmithKline
Beecham supply such vaccine. SmithKline Beecham has agreed to fund research and
development at the Company related to the EBV vaccine, in specified minimum
amounts, during the first two years of the SB Agreement. SmithKline Beecham made
an initial upfront payment to the Company and agreed to make additional payments
upon the achievement of certain product development milestones. The Company is
entitled to royalties from SmithKline Beecham based on net sales of the vaccine.
No assurance can be given, however, that the Company will receive any additional
payments from SmithKline Beecham or that SmithKline Beecham will not terminate
its agreement with the Company.
 
    In May 1995, the Company entered into a Development and License Agreement
with Sang-A. The Company granted to Sang-A exclusive clinical development,
manufacturing and marketing rights in Korea for specified products developed by
Aviron, including vaccines for influenza (cold adapted and recombinant), EBV,
cytomegalovirus (CMV), herpes simplex virus type 2 (HSV-2) and respiratory
syncytial virus (RSV). However, the Company is under no obligation to develop
any product. Sang-A also will make payments to the Company upon the Company's
meeting certain regulatory milestones for each product in Korea and will pay a
royalty to the Company on net sales of such products in Korea. No assurance can
be given, however, that the Company will receive any payments from Sang-A or
that Sang-A will not terminate its agreement with the Company.
 
    On July 1, 1996, Chiron filed a complaint against the Company alleging
misappropriation of trade secrets with respect to certain of Aviron's patent
applications related to its EBV program. The Company believes that the
allegations in the complaint are without merit and intends to defend itself
vigorously
 
                                       8
<PAGE>
against such action. However, the Company expects that the legal costs incurred
in defending itself against this action could be substantial. See Part
II--"Legal Proceedings".
 
    The Company currently is evaluating the costs and benefits of developing
internal manufacturing capabilities or contracting with third-party
manufacturers. In April 1996, the Company completed construction of a pilot
manufacturing facility funded through its existing capital lease line of credit;
however, if the Company decides to establish its own commercial-scale
manufacturing facility, it would require a significant amount of funds.
 
    The Company's business is subject to significant risks, including but not
limited to the risks inherent in its research and development efforts, including
preclinical testing and clinical trials, uncertainties associated both with
obtaining and enforcing its patents and with the patent rights of others, the
lengthy, expensive and uncertain process of seeking regulatory approvals,
uncertainties regarding government reforms and product pricing and reimbursement
levels, technological change and competition, manufacturing uncertainties and
dependence on third parties. Even if the Company's product candidates appear
promising at an early stage of development, they may not reach the market for
numerous reasons. Such reasons include the possibilities that the products will
be found unsafe or ineffective during clinical trials, will fail to receive
necessary regulatory approvals, will be difficult to manufacture on a large
scale, will be uneconomical to market or will be precluded from
commercialization by proprietary rights of third parties.
 
RESULTS OF OPERATIONS
 
THREE MONTHS AND NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1995
 
    REVENUES
 
    Total revenue for the three months ended September 30, 1996 was $688,000,
compared to $12,000 for the three months ended September 30, 1995. Total revenue
for the nine months ended September 30, 1996 was $1,063,000 compared to $75,000
for the nine months ended September 30, 1995. The substantial increase in
revenue in 1996 resulted primarily from the Company's license and development
agreement with SmithKline Beecham.
 
    OPERATING EXPENSES
 
    Research and development expenses increased 98% to $4.4 million in the three
months ended September 30, 1996 from $2.2 million for the three months ended
September 30, 1995. Research and development expenses increased 42% to $10.7
million for the nine months ended September 30, 1996 from $7.5 million for the
nine months ended September 30, 1995. Included in research and development
expenses for the nine months ended September 30, 1995 is a one-time charge of
$1.6 million relating to Aviron's agreement with the University of Michigan.
Without the one-time charge, research and development expenses increased 80%
between the nine months ended September 30, 1996 and 1995. These increases were
primarily due to increases in research and development staffing, licensing fees,
expenses associated with clinical trials of the Company's cold adapted influenza
vaccine and preclinical testing associated with other programs, and deferred
compensation charges in connection with certain stock options granted by the
Company.
 
    General and administrative expenses increased 55% to $1.2 million in the
three months ended September 30, 1996 from $0.8 million for the three months
ended September 30, 1995. General and administrative expenses increased 48% to
$3.5 million in the nine months ended September 30, 1996 from $2.3 million in
the nine months ended September 30, 1995. These increases were incurred to
support the Company's expanded research and development facilities, patent and
legal expenses, its initial public offering of Common Stock and corporate
development activities.
 
                                       9
<PAGE>
    NET INTEREST INCOME
 
    The Company's net interest income increased to $367,000 in the nine months
ended September 30, 1996, from $166,000 in the nine months ended September 30,
1995. During the three months ended September 30, 1996, net interest income was
$49,000, compared to $126,000 for the comparable period in 1995. The
fluctuations in interest income reflect the effects of the Company's changing
cash and short term investment balances.
 
LIQUIDITY AND CAPITAL RESOURCES
 
    Aviron had cash, cash equivalents and short-term investments at September
30, 1996 of approximately $5.3 million. In order to preserve principal and
maintain liquidity, the Company's funds are invested in United States Treasury
obligations, highly rated corporate obligations and other short-term
investments.
 
    The Company has financed its operations since inception primarily through
private placements of Preferred Stock and an initial public offering of its
Common Stock in November 1996. Through September 30, 1996, the Company had
raised approximately $42.1 million from such sales net of offering expenses.
Cash used in operations was $7.5 million and $11.9 million, for the first nine
months of 1995 and 1996, respectively. Cash expended for capital additions and
to repay lease financing arrangements amounts to approximately $364,000, and
$958,000 for the first nine months of 1995 and 1996, respectively. Capital
expenditures have increased in 1996 primarily as a result of the construction of
a pilot manufacturing facility. The Company expects expenditures for research
and development, clinical trials and general administrative expenditures to be
higher during the remainder of 1996 as the Company develops its products and
expands its clinical trials.
 
    The Company anticipates that the proceeds of its initial public offering,
and the concurrent sale of shares to Sang-A, together with the interest thereon,
revenues from existing collaborations, cash, cash equivalents and short-term
investments, will enable it to maintain its current and planned operations at
least through 1997. The Company's future cash requirements will depend on
numerous factors, including continued scientific progress in the research and
development of the Company's technology and vaccine programs, the size and
complexity of these programs, the ability of the Company to establish and
maintain collaborative arrangements, progress with preclinical testing and
clinical trials, the time and costs involved in obtaining regulatory approvals,
the cost involved in preparing, filing, prosecuting, maintaining and enforcing
patent claims, and product commercialization activities. The Company is seeking
additional collaborative agreements with corporate partners and may seek access
to the public or private equity markets. There can be no assurance, however,
that any such agreements will be entered into or that they will reduce the
Company's funding requirements or that additional funding will be available. The
Company expects that additional equity or debt financings will be required to
fund its operations. There can be no assurance that such funds will be available
on favorable terms, if at all. If adequate funds are not available, the Company
may be required to delay, reduce the scope of, or eliminate one or more of its
research or development programs or to obtain funds through collaborative
agreements with others that may require the Company to relinquish rights to
certain of its technologies, product candidates or products that the Company
would otherwise seek to develop or commercialize itself, which would materially
adversely affect the Company's business, financial condition and results of
operations.
 
                                       10
<PAGE>
                                     AVIRON
 
PART II. OTHER INFORMATION
 
<TABLE>
<S>        <C>
ITEM 1.    LEGAL PROCEEDINGS.
 
    On July 1, 1996, Chiron Corporation ("Chiron") filed a complaint against the Company in
San Mateo County, California, Superior Court, alleging that certain of Aviron's patent
applications related to its Epstein Barr Virus program are based on Chiron proprietary
information, which was improperly conveyed to Aviron by a former Chiron employee, and that the
Company has engaged in unfair competition. The complaint seeks unspecified monetary damages
and seeks to impose a constructive trust, for Chiron's benefit, over the affected patent
applications, an exclusive assignment by the Company to Chiron of such patent applications and
an injunction against the Company from disclosing, using or applying such alleged proprietary
information. Aviron believes that the allegations in the complaint are without merit and
intends to defend itself vigorously against the complaint.
 
ITEM 2.    CHANGES IN SECURITIES.
 
    (c) On December 10, 1996, the Company sold and issued to Sang-A Pharm. Co., Ltd., a 5%
stockholder of the Company, 16,978 shares of the Company's Common Stock, in a private
placement concurrent with the exercise of the underwriters' overallotment option. The sale was
made at $8.00 per share. The sale of shares was made in reliance on Section 4(2) of the
Securities Act of 1933, as amended.
 
ITEM 3.    DEFAULTS UPON SENIOR SECURITIES.
 
    None
 
ITEM 4.    SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
 
    In July 1996, the Company solicited the written consent of its stockholders for the
reincorporation of the Company from California to Delaware in connection with its public
offering. The Company had 8,934,979 shares of Common Stock (including Preferred Stock, on an
as-converted basis), on the date of the solicitation. The Company received consents from
holders of 7,115,594 shares of Common Stock (including Preferred Stock, on an as-converted
basis), in favor of the proposal. Broker nonvotes were not applicable at that time and "no
votes" were not tabulated.
 
ITEM 5.    OTHER INFORMATION.
 
    None
</TABLE>
 
ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K.
 
    (a) EXHIBITS
 
<TABLE>
<CAPTION>
  ITEM     DESCRIPTION
- ---------  ----------------------------------------------------------------------------------------------------
<C>        <S>
      3.1  Bylaws of the Registrant.
 
      3.2  Restated Certificate of Incorporation of the Registrant.
 
      4.1  Reference is made to Exhibits 3.1 and 3.2.
 
      4.2  Specimen Stock Certificate(1).
 
      4.3  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of
             New York(1).
 
      4.4  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of
             New York(1).
</TABLE>
 
                                       11
<PAGE>
<TABLE>
<CAPTION>
  ITEM     DESCRIPTION
- ---------  ----------------------------------------------------------------------------------------------------
<C>        <S>
      4.5  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of
             New York(1).
 
      4.6  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of
             New York(1).
 
      4.7  Warrant for Series C Preferred Stock, issued to Raymond, James & Associates(1).
 
      4.8  Investors Rights Agreement, dated July 18, 1995, among the Registrant and the investors named
             therein(1).
 
    +10.1  License Agreement between the Registrant and ARCH Development Corporation, dated July 1, 1992(1).
 
    +10.2  Technology Transfer Agreement between the Registrant and The Mount Sinai School of Medicine of the
             City University of New York, dated February 9, 1993(1).
 
    +10.3  Materials Transfer and Intellectual Property Agreement between the Registrant and the Regents of the
             University of Michigan, dated February 24, 1995(1).
 
     10.4  Stock Transfer Agreement between the Registrant and the Regents of the University of Michigan, dated
             February 24, 1995(1).
 
    +10.5  Development and License Agreement between the Registrant and Sang-A Pharm. Co., Ltd., dated May 3,
             1995(1).
 
    +10.6  Cooperative Research and Development Agreement between the Registrant and the National Institutes of
             Health, dated May 30, 1995(1).
 
    +10.7  Heads of Agreement between the Registrant and SmithKline Beecham Biologicals S.A., dated October 8,
             1995(1).
 
    +10.8  Manufacturing and Development Agreement between the Registrant and Evans Medical Limited, dated
             November 7, 1995(1).
 
     10.9  1996 Equity Incentive Plan(1).
 
    10.10  1996 Non-Employee Directors' Stock Option Plan(1).
 
    10.11  1996 Employee Stock Purchase Plan(1).
 
    10.12  Industrial Lease between the Registrant and the Vanni Business Park General Partnership, dated
             August 29, 1995(1).
 
   +10.13  First Amendment to License Agreement between the Registrant and ARCH Development Corporation, dated
             March 15, 1996(1).
 
   +10.14  Biological Materials License Agreement between the Registrant and the National Institutes of Health,
             dated May 31, 1996(1).
 
     11.1  Statement regarding Computation of Pro Forma Net Loss Per Share.
 
     27.1  Financial Data Schedules.
</TABLE>
 
- ------------------------
 
 +  Confidential treatment has been granted for portions of this exhibit.
 
(1) Incorporated by reference to the correspondingly numbered exhibit to the
    Company's Registration Statement on Form S-1, File No. 333-05209, filed June
    5, 1996, as amended.
 
    (b) REPORTS ON FORM 8-K
 
    The Company filed no reports on Form 8-K during the quarter ended September
30, 1996.
 
                                       12
<PAGE>
                                     AVIRON
                                   SIGNATURES
 
    Pursuant to the requirements of the Securities and Exchange Act of 1934, the
registrant has duly caused this report to be signed in its behalf by the
undersigned thereunto duly authorized.
 
                                          AVIRON
 
<TABLE>
<S>        <C>                                     <C>        <C>
Date:      December 19, 1996                       By:                /s/ J. LEIGHTON READ, M.D.
                                                              ------------------------------------------
                                                                        J. Leighton Read, M.D.
                                                                 Chairman and Chief Executive Officer
 
Date:      December 19, 1996                       By:              /s/ VERA KALLMEYER, M.D., PH.D.
                                                              ------------------------------------------
                                                                      Vera Kallmeyer, M.D., Ph.D.
                                                              Chief Financial Officer and Vice President
                                                                         Corporate Development
                                                                  (Principal Financial and Accounting
                                                                               Officer)
</TABLE>
 
                                       13
<PAGE>
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
 NO. OF
 EXHIBIT   DESCRIPTION
- ---------  ---------------------------------------------------------------------------------------------------------
<C>        <S>
      3.1  Bylaws of the Registrant.
 
      3.2  Restated Certificate of Incorporation of the Registrant.
 
      4.1  Reference is made to Exhibits 3.1 and 3.2.
 
      4.2  Specimen Stock Certificate(1).
 
      4.3  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of New
             York(1).
 
      4.4  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of New
             York(1).
 
      4.5  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of New
             York(1).
 
      4.6  Warrant for Series A Preferred Stock, issued to The Mount Sinai School of Medicine of the City of New
             York(1).
 
      4.7  Warrant for Series C Preferred Stock, issued to Raymond, James & Associates(1).
 
      4.8  Investors Rights Agreement, dated July 18, 1995, among the Registrant and the investors named therein(1).
 
    +10.1  License Agreement between the Registrant and ARCH Development Corporation, dated July 1, 1992(1).
 
    +10.2  Technology Transfer Agreement between the Registrant and The Mount Sinai School of Medicine of the City
             University of New York, dated February 9, 1993(1).
 
    +10.3  Materials Transfer and Intellectual Property Agreement between the Registrant and the Regents of the
             University of Michigan, dated February 24, 1995(1).
 
     10.4  Stock Transfer Agreement between the Registrant and the Regents of the University of Michigan, dated
             February 24, 1995(1).
 
    +10.5  Development and License Agreement between the Registrant and Sang-A Pharm. Co., Ltd., dated May 3,
             1995(1).
 
    +10.6  Cooperative Research and Development Agreement between the Registrant and the National Institutes of
             Health, dated May 30, 1995(1).
 
    +10.7  Heads of Agreement between the Registrant and SmithKline Beecham Biologicals S.A., dated October 8,
             1995(1).
 
    +10.8  Manufacturing and Development Agreement between the Registrant and Evans Medical Limited, dated November
             7, 1995(1).
 
     10.9  1996 Equity Incentive Plan(1).
 
    10.10  1996 Non-Employee Directors' Stock Option Plan(1).
 
    10.11  1996 Employee Stock Purchase Plan(1).
 
    10.12  Industrial Lease between the Registrant and the Vanni Business Park General Partnership, dated August 29,
             1995(1).
 
   +10.13  First Amendment to License Agreement between the Registrant and ARCH Development Corporation, dated March
             15, 1996(1).
</TABLE>
 
                                       14
<PAGE>
<TABLE>
<CAPTION>
 NO. OF
 EXHIBIT   DESCRIPTION
- ---------  ---------------------------------------------------------------------------------------------------------
<C>        <S>
   +10.14  Biological Materials License Agreement between the Registrant and the National Institutes of Health,
             dated May 31, 1996(1).
 
     11.1  Statement regarding Computation of Pro Forma Net Loss Per Share.
 
     27.1  Financial Data Schedules.
</TABLE>
 
- ------------------------
 
+   Confidential treatment has been granted for portions of this exhibit.
 
(1) Incorporated by reference to the correspondingly numbered exhibit to the
    Company's Registration Statement on Form S-1, File No. 333-05209, filed June
    5, 1996, as amended.
 
                                       15

<PAGE>

                                                             Exhibit 3.1


                        STATE OF DELAWARE

                  OFFICE OF THE SECRETARY OF STATE


     I, EDWARD J. FREEL, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO 
HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE RESTATED 
CERTIFICATE OF "AVIRON", FILED IN THIS OFFICE ON THE TWENTY-SECOND DAY OF 
NOVEMBER, A.D. 1996, AT 9 O'CLOCK A.M.


                                    /S/ EDWARD J. FREEL
                     [SEAL]      ------------------------------------
                                 EDWARD J. FREEL, SECRETARY OF STATE


                                 AUTHENTICATION:   8225359

                                           DATE:   12-06-96
<PAGE>

                       AMENDED AND RESTATED
                   CERTIFICATE OF INCORPORATION
                                OF
                              AVIRON


     AVIRON, a corporation organized and existing under the laws of the state 
of Delaware (the "Corporation") hereby certifies that:

     1.   The name of the Corporation is Aviron.  The corporation was 
originally incorporated under the name Aviron Merger Corporation.

     2.   The date of filing of the Corporation's original Certificate of 
Incorporation was March 7, 1996.

     3.   The Amended and Restated Certificate of Incorporation of the 
Corporation as provided in Exhibit A hereto was duly adopted in accordance 
with the provisions of Section 242 and Section 245 of the General Corporation 
Law of the State of Delaware by the Board of Directors of the corporation.  

     4.   Pursuant to Section 245 of the Delaware General Corporation Law, 
approval of the stockholders of the corporation has been obtained.  

     5.   The Amended and Restated Certificate of Incorporation so adopted 
reads in full as set forth in Exhibit A attached hereto and is hereby 
incorporated by reference.

     IN WITNESS WHEREOF, the undersigned have signed this certificate this 
8th day of November, 1996, and hereby affirm and acknowledge under penalty of 
perjury that the filing of this Restated Certificate of Incorporation is the 
act and deed of Aviron.

                              AVIRON



                              By /s/ J. Leighton Read
                                 --------------------------------
                                 J. Leighton Read
                                 Chief Executive Officer

ATTEST:


/s/ Alan C. Mendelson
- -----------------------------
Alan C. Mendelson
Secretary

<PAGE>


                       AMENDED AND RESTATED             Exhibit A
                   CERTIFICATE OF INCORPORATION
                                OF
                              AVIRON


                                I.

     The name of this corporation is Aviron.

                               II.

     The address of the registered office of the corporation in the State of 
Delaware is 1013 Centre Road, City of Wilmington, 19805, County of New Castle 
and the name of the name of the registered agent of the corporation in the 
State of Delaware at such address is The Prentice-Hall Corporation System, 
Inc.  
 
                               III.

     The purpose of this corporation is to engage in any lawful act or 
activity for which a corporation may be organized under the General 
Corporation Law of the State of Delaware.

                              IV.

          This corporation is authorized to issue two classes of stock to be 
designated, respectively, "Common Stock" and "Preferred Stock."  The total 
number of shares which the corporation is authorized to issue is Thirty Five 
Million (35,000,000) shares.  Thirty Million (30,000,000) shares shall be 
Common Stock, each having a par value of one tenth of one cent ($.001).  Five 
Million (5,000,000) shares shall be Preferred Stock, each having a par value 
of one tenth of one cent ($.001).

       The Preferred Stock may be issued from time to time in one or more 
series.  The Board of Directors is hereby authorized, by filing a certificate 
(a "Preferred Stock Designation") pursuant to the Delaware General 
Corporation Law, to fix or alter from time to time the designation, powers, 
preferences and rights of the shares of each such series and the 
qualifications, limitations or restrictions of any wholly unissued series of 
Preferred Stock, and to establish from time to time the number of shares 
constituting any such series or any of them; and to increase or decrease the 
number of shares of any series subsequent to the issuance of shares of that 
series, but not below the number of shares of such series then outstanding.  
In case the number of shares of any series shall be decreased in accordance 
with the foregoing sentence, the shares constituting such decrease shall 
resume the status that they had prior to the adoption of the resolution 
originally fixing the number of shares of such series.

                                1.


<PAGE>


                                V.

     A.   For the management of the business and for the conduct of the 
affairs of the Corporation, and in further definition, limitation and 
regulation of the powers of the Corporation, of its directors and of its 
stockholders or any class thereof, as the case may be, it is further provided 
that:

          (1)  The management of the business and the conduct of the affairs 
of the Corporation shall be vested in its Board of Directors.  The number of 
directors which shall constitute the whole Board of Directors shall be fixed 
exclusively by one or more resolutions adopted by the Board of Directors.

          (2)  Subject to the rights of the holders of any series of 
Preferred Stock to elect additional directors under specified circumstances, 
following the closing of the initial public offering pursuant to an effective 
registration statement under the Securities Act of 1933, as amended, covering 
the offer and sale of Common Stock to the public (the "Initial Public 
Offering"), the directors shall be divided into three classes designated as 
Class I, Class II and Class III, respectively.  Directors shall be assigned 
to each class in accordance with a resolution or resolutions adopted by the 
Board of Directors.  At the first annual meeting of stockholders following 
the closing of the Initial Public Offering, the term of office of the Class I 
directors shall expire and Class I directors shall be elected for a full term 
of three years.  At the second annual meeting of stockholders following the 
Closing of the Initial Public Offering, the term of office of the Class II 
directors shall expire and Class II directors shall be elected for a full 
term of three years.  At the third annual meeting of stockholders following 
the Closing of the Initial Public Offering, the term of office of the Class 
III directors shall expire and Class III directors shall be elected for a 
full term of three years.  At each succeeding annual meeting of stockholders, 
directors shall be elected for a full term of three years to succeed the 
directors of the class whose terms expire at such annual meeting.

     Notwithstanding the foregoing provisions of this Article, each director 
shall serve until his successor is duly elected and qualified or until his 
death, resignation or removal.  No decrease in the number of directors 
constituting the Board of Directors shall shorten the term of any incumbent 
director.

          (3)  Subject to the rights of the holders of any series of 
Preferred Stock, the Board of Directors or any individual director may be 
removed from office at any time (i) with cause by the affirmative vote of the 
holders of a majority of the voting power of all the then-outstanding shares 
of voting stock of the Corporation, entitled to vote at an election of 
directors (the "Voting Stock") or (ii) without cause by the affirmative vote 
of the holders of at least sixty-six and two-thirds percent (66 2/3%) of the 
voting power of all the then-outstanding shares of the Voting Stock.

          (4)  Subject to the rights of the holders of any series of 
Preferred Stock, any vacancies on the Board of Directors resulting from 
death, resignation, disqualification, removal or other causes and any newly 
created directorships resulting from any increase in the number


                                   2.

<PAGE>

of directors, shall, unless the Board of Directors determines by resolution 
that any such vacancies or newly created directorships shall be filled by the 
stockholders, except as otherwise provided by law, be filled only by the 
affirmative vote of a majority of the directors then in office, even though 
less than a quorum of the Board of Directors, and not by the stockholders.  
Any director elected in accordance with the preceding sentence shall hold 
office for the remainder of the full term of the director for which the 
vacancy was created or occurred and until such director's successor shall 
have been elected and qualified. 

     B.   (1)  Subject to paragraph (h) of Section 43 of the Bylaws, the 
Bylaws may be altered or amended or new Bylaws adopted by the affirmative 
vote of at least sixty-six and two-thirds percent (66-2/3%) of the voting 
power of all of the then-outstanding shares of the Voting Stock.  The Board 
of Directors shall also have the power to adopt, amend, or repeal Bylaws.

          (2)  The directors of the Corporation need not be elected by 
written ballot unless the Bylaws so provide.

          (3)  No action shall be taken by the stockholders of the 
Corporation except at an annual or special meeting of stockholders called in 
accordance with the Bylaws and following the closing of the Initial Public 
Offering no action shall be taken by the stockholders by written consent.

          (4)  Advance notice of stockholder nominations for the election of 
directors and of business to be brought by stockholders before any meeting of 
the stockholders of the Corporation shall be given in the manner provided in 
the Bylaws of the Corporation.

          (5)  Special meetings of the stockholders of the Corporation may be 
called, for any purpose or purposes, by (i) the Chairman of the Board of 
Directors, (ii) the President, (iii) the Board of Directors pursuant to a 
resolution adopted by a majority of the total number of authorized directors 
(whether or not there exist any vacancies in previously authorized 
directorships at the time any such resolution is presented to the Board of 
Directors for adoption) or (iv) by the holders of the shares entitled to cast 
not less that ten percent (10%) of the votes at the meeting, and shall be 
held at such place, on such date, and at such time as the Board of Directors 
shall fix.

                               VI.

     A.   A director of the Corporation shall not be personally liable to the 
Corporation or its stockholders for monetary damages for any breach of 
fiduciary duty as a director, except for liability (i) for any breach of the 
director's duty of loyalty to the Corporation or its stockholders, (ii) for 
acts or omissions not in good faith or which involve intentional misconduct 
or a knowing violation of law, (iii) under Section 174 of the Delaware 
General Corporation Law, or (iv) for any transaction from which the director 
derived an improper personal benefit.  If the Delaware General Corporation 
Law is amended after approval by the stockholders of this Article to 
authorize corporate action further eliminating or limiting the personal 
liability of directors, then


                                  3.
<PAGE>

the liability of a director shall be eliminated or limited to the fullest 
extent permitted by the Delaware General corporation Law, as so amended.

     B.   Any repeal or modification of this Article VI shall be prospective 
and shall not affect the rights under this Article VI in effect at the time 
of the alleged occurrence of any act or omission to act giving rise to 
liability or indemnification.

                               VII.

     A.   The Corporation reserves the right to amend, alter, change or 
repeal any provision contained in this Certificate of Incorporation, in the 
manner now or hereafter prescribed by statute, except as provided in 
paragraph B. of this Article VII, and all rights conferred upon the 
stockholders herein are granted subject to this reservation. 

     B.   Notwithstanding any other provisions of this Certificate of 
Incorporation or any provision of law which might otherwise permit a lesser 
vote or no vote, but in addition to any affirmative vote of the holders of 
any particular class or series of the Voting Stock required by law, this 
Certificate of Incorporation or any Preferred Stock Designation, the 
affirmative vote of the holders of at least sixty-six and two-thirds percent 
(66-2/3%) of the voting power of all of the then-outstanding shares of the 
Voting Stock, voting together as a single class, shall be required to alter, 
amend or repeal Articles V, VI, and VII. 




                                    4.

<PAGE>

                                                              Exhibit 3.2






                              BYLAWS

                                OF

                              AVIRON

                     (A DELAWARE CORPORATION)



<PAGE>


                              BYLAWS

                                OF

                              AVIRON

                     (A DELAWARE CORPORATION)



                            ARTICLE I

                             OFFICES


     SECTION 1.     REGISTERED OFFICE.  The registered office of the 
corporation in the State of Delaware shall be in the City of Dover, County of 
Kent.  

     SECTION 2.     OTHER OFFICES.  The corporation shall also have and 
maintain an office or principal place of business at such place as may be 
fixed by the Board of Directors, and may also have offices at such other 
places, both within and without the State of Delaware as the Board of 
Directors may from time to time determine or the business of the corporation 
may require.  

                            ARTICLE II

                          CORPORATE SEAL

     SECTION 3.     CORPORATE SEAL.  The corporate seal shall consist of a 
die bearing the name of the corporation and the inscription, "Corporate 
Seal-Delaware."  Said seal may be used by causing it or a facsimile thereof 
to be impressed or affixed or reproduced or otherwise.  

                           ARTICLE III

                      STOCKHOLDERS' MEETINGS

     SECTION 4.     PLACE OF MEETINGS.  Meetings of the stockholders of the 
corporation shall be held at such place, either within or without the State 
of Delaware, as may be designated from time to time by the Board of 
Directors, or, if not so designated, then at the office of the corporation 
required to be maintained pursuant to Section 2 hereof. 

     SECTION 5.     ANNUAL MEETING.

          (a)  The annual meeting of the stockholders of the corporation, for 
the purpose of election of directors and for such other business as may 
lawfully come before it, shall be held


                                     1.

<PAGE>

on such date and at such time as may be designated from time to time by the 
Board of Directors.  

          (b)  At an annual meeting of the stockholders, only such business 
shall be conducted as shall have been properly brought before the meeting.  
To be properly brought before an annual meeting, business must be:  (A) 
specified in the notice of meeting (or any supplement thereto) given by or at 
the direction of the Board of Directors, (B) otherwise properly brought 
before the meeting by or at the direction of the Board of Directors, or (C) 
otherwise properly brought before the meeting by a stockholder.  For business 
to be properly brought before an annual meeting by a stockholder, the 
stockholder must have given timely notice thereof in writing to the Secretary 
of the corporation.  To be timely, a stockholder's notice must be delivered 
to or mailed and received at the principal executive offices of the 
corporation not later than the close of business on the sixtieth (60th) day 
nor earlier than the close of business on the ninetieth (90th) day prior to 
the first anniversary of the preceding year's annual meeting; PROVIDED, 
HOWEVER, that in the event that no annual meeting was held in the previous 
year or the date of the annual meeting has been changed by more than thirty 
(30) days from the date contemplated at the time of the previous year's proxy 
statement, notice by the stockholder to be timely must be so received not 
earlier than the close of business on the ninetieth (90th) day prior to such 
annual meeting and not later than the close of business on the later of the 
sixtieth (60th) day prior to such annual meeting or, in the event public 
announcement of the date of such annual meeting is first made by the 
corporation fewer than seventy (70) days prior to the date of such annual 
meeting, the close of business on the tenth (10th) day following the day on 
which public announcement of the date of such meeting is first made by the 
corporation. A stockholder's notice to the Secretary shall set forth as to 
each matter the stockholder proposes to bring before the annual meeting:  (i) 
a brief description of the business desired to be brought before the annual 
meeting and the reasons for conducting such business at the annual meeting, 
(ii) the name and address, as they appear on the corporation's books, of the 
stock-holder proposing such business, (iii) the class and number of shares of 
the corporation which are beneficially owned by the stockholder, (iv) any 
material interest of the stockholder in such business and (v) any other 
information that is required to be provided by the stockholder pursuant to 
Regulation 14A under the Securities Exchange Act of 1934, as amended (the 
"1934 Act"), in his capacity as a proponent to a stockholder proposal.  
Notwithstanding the foregoing, in order to include information with respect 
to a stockholder proposal in the proxy statement and form of proxy for a 
stockholder's meeting, stockholders must provide notice as required by the 
regulations promulgated under the 1934 Act.  Notwithstanding anything in 
these Bylaws to the contrary, no business shall be conducted at any annual 
meeting except in accordance with the procedures set forth in this paragraph 
(b).  The chairman of the annual meeting shall, if the facts warrant, 
determine and declare at the meeting that business was not properly brought 
before the meeting and in accordance with the provisions of this paragraph 
(b), and, if he should so determine, he shall so declare at the meeting that 
any such business not properly brought before the meeting shall not be 
transacted.  

          (c)   Only persons who are nominated in accordance with the 
procedures set forth in this paragraph (c) shall be eligible for election as 
directors.  Nominations of persons for election to the Board of Directors of 
the corporation may be made at a meeting of stockholders


                                     2.

<PAGE>

by or at the direction of the Board of Directors or by any stockholder of the 
corporation entitled to vote in the election of directors at the meeting who 
complies with the notice procedures set forth in this paragraph (c).  Such 
nominations, other than those made by or at the direction of the Board of 
Directors, shall be made pursuant to timely notice in writing to the 
Secretary of the corporation in accordance with the provisions of paragraph 
(b) of this Section 5.  Such stockholder's notice shall set forth (i) as to 
each person, if any, whom the stockholder proposes to nominate for election 
or re-election as a director:  (A) the name, age, business address and 
residence address of such person, (B) the principal occupation or employment 
of such person, (C) the class and number of shares of the corporation which 
are beneficially owned by such person, (D) a description of all arrangements 
or understandings between the stockholder and each nominee and any other 
person or persons (naming such person or persons) pursuant to which the 
nominations are to be made by the stockholder, and (E) any other information 
relating to such person that is required to be disclosed in solicitations of 
proxies for election of directors, or is otherwise required, in each case 
pursuant to Regulation 14A under the 1934 Act (including without limitation 
such person's written consent to being named in the proxy statement, if any, 
as a nominee and to serving as a director if elected); and (ii) as to such 
stockholder giving notice, the information required to be provided pursuant 
to paragraph (b) of this Section 5.  At the request of the Board of 
Directors, any person nominated by a stockholder for election as a director 
shall furnish to the Secretary of the corporation that information required 
to be set forth in the stockholder's notice of nomination which pertains to 
the nominee.  No person shall be eligible for election as a director of the 
corporation unless nominated in accordance with the procedures set forth in 
this paragraph (c).  The chairman of the meeting shall, if the facts warrant, 
determine and declare at the meeting that a nomination was not made in 
accordance with the procedures prescribed by these Bylaws, and if he should 
so determine, he shall so declare at the meeting, and the defective 
nomination shall be disregarded.  

          (d)  For purposes of this Section 5, "public announcement" shall 
mean disclosure in a press release reported by the Dow Jones News Service, 
Associated Press or comparable national news service or in a document 
publicly filed by the corporation with the Securities and Exchange Commission 
pursuant to Section 13, 14 or 15(d) of the Exchange Act.

     SECTION 6.     SPECIAL MEETINGS.

          (a)  Special meetings of the stockholders of the corporation may be 
called, for any purpose or purposes, by (i) the Chairman of the Board of 
Directors, (ii) the Chief Executive Officer, (iii) the Board of Directors 
pursuant to a resolution adopted by a majority of the total number of 
authorized directors (whether or not there exist any vacancies in previously 
authorized directorships at the time any such resolution is presented to the 
Board of Directors for adoption) or (iv) by the holders of shares entitled to 
cast not less than ten percent (10%) of the votes at the meeting, and shall 
be held at such place, on such date, and at such time as the Board of 
Directors, shall fix.

          (b)  If a special meeting is called by any person or persons other 
than the Board of Directors, the request shall be in writing, specifying the 
general nature of the business proposed to be transacted, and shall be 
delivered personally or sent by registered mail or by tele-


                                     3.

<PAGE>

graphic or other facsimile transmission to the Chairman of the Board of 
Directors, the Chief Executive Officer, or the Secretary of the corporation.  
No business may be transacted at such special meeting otherwise than 
specified in such notice.  The Board of Directors shall determine the time 
and place of such special meeting, which shall be held not less than 
thirty-five (35) nor more than one hundred twenty (120) days after the date 
of the receipt of the request.  Upon determination of the time and place of 
the meeting, the officer receiving the request shall cause notice to be given 
to the stockholders entitled to vote, in accordance with the provisions of 
Section 7 of these Bylaws.  If the notice is not given within sixty (60) days 
after the receipt of the request, the person or persons requesting the 
meeting may set the time and place of the meeting and give the notice.  
Nothing contained in this paragraph (b) shall be construed as limiting, 
fixing, or affecting the time when a meeting of stockholders called by action 
of the Board of Directors may be held.

     SECTION 7.     NOTICE OF MEETINGS.  Except as otherwise provided by law 
or the Certificate of Incorporation, written notice of each meeting of 
stockholders shall be given not less than ten (10) nor more than sixty (60) 
days before the date of the meeting to each stockholder entitled to vote at 
such meeting, such notice to specify the place, date and hour and purpose or 
purposes of the meeting.  Notice of the time, place and purpose of any 
meeting of stockholders may be waived in writing, signed by the person 
entitled to notice thereof, either before or after such meeting, and will be 
waived by any stockholder by his attendance thereat in person or by proxy, 
except when the stockholder attends a meeting for the express purpose of 
objecting, at the beginning of the meeting, to the transaction of any 
business because the meeting is not lawfully called or convened.  Any 
stockholder so waiving notice of such meeting shall be bound by the 
proceedings of any such meet-ing in all respects as if due notice thereof had 
been given.  

     SECTION 8.     QUORUM.  At all meetings of stockholders, except where 
otherwise provided by statute or by the Certificate of Incorporation, or by 
these Bylaws, the presence, in person or by proxy duly authorized, of the 
holders of a majority of the outstanding shares of stock entitled to vote 
shall constitute a quorum for the transaction of business.  In the absence of 
a quorum, any meeting of stockholders may be adjourned, from time to time, 
either by the chairman of the meeting or by vote of the holders of a majority 
of the shares represented thereat, but no other business shall be transacted 
at such meeting.  The stockholders present at a duly called or convened 
meeting, at which a quorum is present, may continue to transact business 
until adjournment, notwithstanding the withdrawal of enough stockholders to 
leave less than a quorum.  Except as otherwise provided by law, the 
Certificate of Incorporation or these Bylaws, all action taken by the holders 
of a majority of the vote cast, excluding abstentions, at any meeting at 
which a quorum is present shall be valid and binding upon the corporation; 
PROVIDED, HOWEVER, that directors shall be elected by a plurality of the 
votes of the shares present in person or represented by proxy at the meeting 
and entitled to vote on the election of directors.  Where a separate vote by 
a class or classes or series is required, except where otherwise provided by 
the statute or by the Certificate of Incorporation or these Bylaws, a 
majority of the outstanding shares of such class or classes or series, 
present in person or represented by proxy, shall constitute a quorum entitled 
to take action with respect to that vote on that matter and, except where 
otherwise provided by the statute or by the Certificate of Incorporation or 
these Bylaws,


                                     4.

<PAGE>

the affirmative vote of the majority (plurality, in the case of the elec-tion 
of directors) of the votes cast, including abstentions, by the holders of 
shares of such class or classes or series shall be the act of such class or 
classes or series.  

     SECTION 9.     ADJOURNMENT AND NOTICE OF ADJOURNED MEETINGS.  Any 
meeting of stockholders, whether annual or special, may be adjourned from 
time to time either by the chairman of the meeting or by the vote of a 
majority of the shares casting votes, excluding abstentions.  When a meeting 
is adjourned to another time or place, notice need not be given of the 
adjourned meeting if the time and place thereof are announced at the meeting 
at which the adjournment is taken.  At the adjourned meeting, the corporation 
may transact any business which might have been transacted at the original 
meeting.  If the adjournment is for more than thirty (30) days or if after 
the adjournment a new record date is fixed for the adjourned meeting, a 
notice of the adjourned meeting shall be given to each stockholder of record 
entitled to vote at the meeting.  

     SECTION 10.    VOTING RIGHTS.  For the purpose of determining those 
stockholders entitled to vote at any meeting of the stockholders, except as 
otherwise provided by law, only persons in whose names shares stand on the 
stock records of the corporation on the record date, as provided in Section 
12 of these Bylaws, shall be entitled to vote at any meeting of stockholders. 
 Every person entitled to vote or execute consents (if such consents are 
allowed pursuant to these Bylaws) shall have the right to do so either in 
person or by an agent or agents authorized by a proxy granted in accordance 
with Delaware law.  An agent so appointed need not be a stockholder.  No 
proxy shall be voted after three (3) years from its date of creation unless 
the proxy provides for a longer period. 

     SECTION 11.    JOINT OWNERS OF STOCK.  If shares or other securities 
having voting power stand of record in the names of two (2) or more persons, 
whether fiduciaries, members of a partnership, joint tenants, tenants in 
common, tenants by the entirety, or otherwise, or if two (2) or more persons 
have the same fiduciary relationship respecting the same shares, unless the 
Secretary is given written notice to the contrary and is furnished with a 
copy of the instrument or order appointing them or creating the relationship 
wherein it is so provided, their acts with respect to voting shall have the 
following effect:  (a) if only one (1) votes, his act binds all; (b) if more 
than one (1) votes, the act of the majority so voting binds all; (c) if more 
than one (1) votes, but the vote is evenly split on any particular matter, 
each faction may vote the securities in question proportionally, or may apply 
to the Delaware Court of Chancery for relief as provided in the General 
Corporation Law of Delaware, Section 217(b).  If the instrument filed with 
the Secretary shows that any such tenancy is held in unequal interests, a 
majority or even-split for the purpose of subsec-tion (c) shall be a majority 
or even-split in interest.  

     SECTION 12.    LIST OF STOCKHOLDERS.  The Secretary shall prepare and 
make, at least ten (10) days before every meeting of stockholders, a complete 
list of the stockholders entitled to vote at said meeting, arranged in 
alphabetical order, showing the address of each stockholder and the number of 
shares registered in the name of each stockholder.  Such list shall be open 
to the examination of any stockholder, for any purpose germane to the 
meeting, during ordinary business hours, for a period of at least ten (10) 
days prior to the meeting, either at a place within


                                     5.

<PAGE>

the city where the meeting is to be held, which place shall be specified in 
the notice of the meeting, or, if not specified, at the place where the 
meeting is to be held.  The list shall be produced and kept at the time and 
place of meeting during the whole time thereof and may be inspected by any 
stockholder who is present.  

     SECTION 13.    ACTION WITHOUT MEETING.

          (a)  Unless otherwise provided in the Certificate of Incorporation, 
any action required by statute to be taken at any annual or special meeting 
of the stockholders, or any action which may be taken at any annual or 
special meeting of the stockholders, may be taken without a meeting, without 
prior notice and without a vote, if a consent in writing, setting forth the 
action so taken, shall be signed by the holders of outstanding stock having 
not less than the minimum number of votes that would be necessary to 
authorize or take such action at a meeting at which all shares entitled to 
vote thereon were present and voted.

          (b)  Every written consent shall bear the date of signature of each 
stockholder who signs the consent, and no written consent shall be effective 
to take the corporate action referred to therein unless, within sixty (60) 
days of the earliest dated consent delivered to the corporation in the manner 
herein required, written consents signed by a sufficient number of 
stockholders to take action are delivered to the corporation by delivery to 
its registered office in the State of Delaware, its principal place of 
business or an officer or agent of the corporation having custody of the book 
in which proceedings of meetings of stockholders are recorded.  Delivery made 
to a corporation's registered office shall be by hand or by certified or 
registered mail, return receipt requested. 

          (c)  Prompt notice of the taking of the corporate action without a 
meeting by less than unanimous written consent shall be given to those 
stockholders who have not consented in writing.  If the action which is 
consented to is such as would have required the filing of a certificate under 
any section of the General Corporation Law of the State of Delaware if such 
action had been voted on by stockholders at a meeting thereof, then the 
certificate filed under such section shall state, in lieu of any statement 
required by such section concerning any vote of stockholders, that written 
notice and written consent have been given as provided in Section 228 of the 
General Corporation Law of Delaware.

          (d)  Notwithstanding the foregoing, no such action by written 
consent may be taken following the closing of the initial public offering 
pursuant to an effective registration statement under the Securities Act of 
1933, as amended (the "1933 Act"), covering the offer and sale of Common 
Stock of the corporation (the "Initial Public Offering").

     SECTION 14.    ORGANIZATION.

          (a)  At every meeting of stockholders, the Chairman of the Board of 
Directors, or, if a Chairman has not been appointed or is absent, the Chief 
Executive Officer, or, if the Chief Executive Officer is absent, a chairman 
of the meeting chosen by a majority in interest of the stockholders entitled 
to vote, present in person or by proxy, shall act as chairman.  The 


                                     6.

<PAGE>

Secretary, or, in his absence, an Assistant Secretary directed to do so by 
the Chairman, shall act as secretary of the meeting.

          (b)  The Board of Directors of the corporation shall be entitled to 
make such rules or regulations for the conduct of meetings of stockholders as 
it shall deem necessary, appropriate or convenient.  Subject to such rules 
and regulations of the Board of Directors, if any, the chairman of the 
meeting shall have the right and authority to prescribe such rules, 
regulations and procedures and to do all such acts as, in the judgment of 
such chairman, are necessary, appropriate or convenient for the proper 
conduct of the meeting, including, without limitation, establishing an agenda 
or order of business for the meeting, rules and procedures for maintaining 
order at the meeting and the safety of those present, limitations on 
participation in such meeting to stockholders of record of the corporation 
and their duly authorized and constituted proxies and such other persons as 
the chairman shall permit, restrictions on entry to the meeting after the 
time fixed for the commencement thereof, limitations on the time allotted to 
questions or comments by participants and regulation of the opening and 
closing of the polls for balloting on matters which are to be voted on by 
ballot.  Unless and to the extent determined by the Board of Directors or the 
chairman of the meeting, meetings of stockholders shall not be required to be 
held in accordance with rules of parliamentary procedure.

                            ARTICLE IV

                            DIRECTORS

     SECTION 15.    NUMBER AND TERM OF OFFICE.  The authorized number of 
directors of the corporation shall be fixed in accordance with the 
Certificate of Incorporation.  Directors need not be stockholders unless so 
required by the Certificate of Incorporation.  If for any cause, the 
directors shall not have been elected at an annual meeting, they may be 
elected as soon thereafter as convenient at a special meeting of the 
stockholders called for that purpose in the manner provided in these Bylaws.  

     SECTION 16.    POWERS.  The powers of the corporation shall be 
exercised, its business conducted and its property controlled by the Board of 
Directors, except as may be otherwise provided by statute or by the 
Certificate of Incorporation.  

     SECTION 17.    CLASSES OF DIRECTORS.  Subject to the rights of the 
holders of any series of Preferred Stock to elect additional directors under 
specified circumstances, following the closing of the Initial Public 
Offering, the directors shall be divided into three classes designated as 
Class I, Class II and Class III, respectively. Directors shall be assigned to 
each class in accordance with a resolution or resolutions adopted by the 
Board of Directors.  At the first annual meeting of stockholders following 
the closing of the Initial Public Offering, the term of office of the Class I 
directors shall expire and Class I directors shall be elected for a full term 
of three years.  At the second annual meeting of stockholders following the 
Closing of the Initial Public Offering, the term of office of the Class II 
directors shall expire and Class II directors shall be elected for a full 
term of three years.  At the third annual meeting of stockholders following 
the Closing of the Initial Public Offering, the term of office of the Class 
III directors


                                     7.
<PAGE>

shall expire and Class III directors shall be elected for a full term of 
three years.  At each succeeding annual meeting of stockholders, directors 
shall be elected for a full term of three years to succeed the directors of 
the class whose terms expire at such annual meeting.

     Notwithstanding the foregoing provisions of this Article, each director 
shall serve until his successor is duly elected and qualified or until his 
death, resignation or removal.  No decrease in the number of directors 
constituting the Board of Directors shall shorten the term of any incumbent 
director.

     SECTION 18.    VACANCIES.  Unless otherwise provided in the Certificate 
of Incorporation, any vacancies on the Board of Directors resulting from 
death, resignation, disqualification, removal or other causes and any newly 
created directorships resulting from any increase in the number of directors, 
shall unless the Board of Directors determines by resolution that any such 
vacancies or newly created directorships shall be filled by stockholders, be 
filled only by the affirmative vote of a majority of the directors then in 
office, even though less than a quorum of the Board of Directors. Any 
director elected in accordance with the preceding sentence shall hold office 
for the remainder of the full term of the director for which the vacancy was 
created or occurred and until such director's successor shall have been 
elected and qualified.  A vacancy in the Board of Directors shall be deemed 
to exist under this Bylaw in the case of the death, removal or resignation of 
any director. 

     SECTION 19.    RESIGNATION.  Any director may resign at any time by 
delivering his written resignation to the Secretary, such resignation to 
specify whether it will be effective at a particular time, upon receipt by 
the Secretary or at the pleasure of the Board of Directors.  If no such 
specification is made, it shall be deemed effective at the pleasure of the 
Board of Directors.  When one or more directors shall resign from the Board 
of Directors, effective at a future date, a majority of the directors then in 
office, including those who have so resigned, shall have power to fill such 
vacancy or vacancies, the vote thereon to take effect when such resignation 
or resignations shall become effective, and each Director so chosen shall 
hold office for the unexpired portion of the term of the Director whose place 
shall be vacated and until his successor shall have been duly elected and 
qualified.  

     SECTION 20.    REMOVAL.  Subject to the rights of the holders of any 
series of Preferred Stock, the Board of Directors or any individual director 
may be removed from office at any time (i) with cause by the affirmative vote 
of the holders of a majority of the voting power of all the then-outstanding 
shares of voting stock of the corporation, entitled to vote at an election of 
directors (the "Voting Stock") or (ii) without cause by the affirmative vote 
of the holders of at least sixty-six and two-thirds percent (66 2/3%) of the 
voting power of all the then-outstanding shares of the Voting Stock.  

     SECTION 21.    MEETINGS.

          (a)  ANNUAL MEETINGS.  The annual meeting of the Board of Directors 
shall be held immediately before or after the annual meeting of stockholders 
and at the place where such meeting is held.  No notice of an annual meeting 
of the Board of Directors shall be necessary


                                     8.

<PAGE>

and such meeting shall be held for the purpose of electing officers and 
transacting such other business as may lawfully come before it.

          (b)  REGULAR MEETINGS.  Except as hereinafter otherwise provided, 
regular meetings of the Board of Directors shall be held in the office of the 
corporation required to be maintained pursuant to Section 2 hereof.  Unless 
otherwise restricted by the Certificate of Incorporation, regular meetings of 
the Board of Directors may also be held at any place within or without the 
State of Delaware which has been designated by resolution of the Board of 
Directors or the written consent of all directors.  

          (c)  SPECIAL MEETINGS.  Unless otherwise restricted by the 
Certificate of Incorporation, special meetings of the Board of Directors may 
be held at any time and place within or without the State of Delaware 
whenever called by the Chairman of the Board, the Chief Executive Officer or 
any two of the directors.  

          (d)  TELEPHONE MEETINGS.  Any member of the Board of Directors, or 
of any committee thereof, may participate in a meeting by means of conference 
telephone or similar communications equipment by means of which all persons 
participating in the meeting can hear each other, and participation in a 
meeting by such means shall constitute presence in person at such meeting.  

          (e)  NOTICE OF MEETINGS.  Notice of the time and place of all 
special meetings of the Board of Directors shall be orally or in writing, by 
telephone, facsimile, telegraph or telex, during normal business hours, at 
least twenty-four (24) hours before the date and time of the meeting, or sent 
in writing to each director by first class mail, charges prepaid, at least 
three (3) days before the date of the meeting.  Notice of any meeting may be 
waived in writing at any time before or after the meeting and will be waived 
by any director by attendance thereat, except when the director attends the 
meeting for the express purpose of objecting, at the beginning of the 
meeting, to the transaction of any business because the meeting is not 
lawfully called or convened.  

          (f)  WAIVER OF NOTICE.  The transaction of all business at any 
meeting of the Board of Directors, or any committee thereof, however called 
or noticed, or wherever held, shall be as valid as though had at a meeting 
duly held after regular call and notice, if a quorum be present and if, 
either before or after the meeting, each of the directors not present shall 
sign a written waiver of notice.  All such waivers shall be filed with the 
corporate records or made a part of the minutes of the meeting. 

     SECTION 22.    QUORUM AND VOTING.

          (a)  Unless the Certificate of Incorporation requires a greater 
number and except with respect to indemnification questions arising under 
Section 43 hereof, for which a quorum shall be one-third of the exact number 
of directors fixed from time to time in accordance with the Certificate of 
Incorporation, a quorum of the Board of Directors shall consist of a majority 
of the exact number of directors fixed from time to time by the Board of 
Directors in


                                     9.

<PAGE>

accordance with the Certificate of Incorporation; PROVIDED, HOWEVER, at any 
meeting whether a quorum be present or otherwise, a majority of the directors 
present may adjourn from time to time until the time fixed for the next 
regular meeting of the Board of Directors, without notice other than by 
announcement at the meeting.  

          (b)  At each meeting of the Board of Directors at which a quorum is 
present, all questions and business shall be determined by the affirmative 
vote of a majority of the directors present, unless a different vote be 
required by law, the Certificate of Incorporation or these Bylaws. 

     SECTION 23.    ACTION WITHOUT MEETING.  Unless otherwise restricted by 
the Certificate of Incorporation or these Bylaws, any action required or 
permitted to be taken at any meeting of the Board of Directors or of any 
committee thereof may be taken without a meeting, if all members of the Board 
of Directors or committee, as the case may be, consent thereto in writing, 
and such writing or writings are filed with the minutes of proceedings of the 
Board of Directors or committee. 

     SECTION 24.    FEES AND COMPENSATION.  Directors shall be entitled to 
such compensation for their services as may be approved by the Board of 
Directors, including, if so approved, by resolution of the Board of 
Directors, a fixed sum and expenses of attendance, if any, for attendance at 
each regular or special meeting of the Board of Directors and at any meeting 
of a committee of the Board of Directors.  Nothing herein contained shall be 
construed to preclude any director from serving the corporation in any other 
capacity as an officer, agent, employee, or otherwise and receiving 
compensation therefor.  

     SECTION 25.    COMMITTEES.

          (a)  EXECUTIVE COMMITTEE.  The Board of Directors may by resolution 
passed by a majority of the whole Board of Directors appoint an Executive 
Committee to consist of one (1) or more members of the Board of Directors.  
The Executive Committee, to the extent permitted by law and provided in the 
resolution of the Board of Directors shall have and may exercise all the 
powers and authority of the Board of Directors in the management of the 
business and affairs of the corporation, including without limitation the 
power or authority to declare a dividend, to authorize the issuance of stock 
and to adopt a certificate of ownership and merger, and may authorize the 
seal of the corporation to be affixed to all papers which may require it; but 
no such committee shall have the power or authority in reference to amending 
the Certificate of Incorporation (except that a committee may, to the extent 
authorized in the resolution or resolutions providing for the issuance of 
shares of stock adopted by the Board of Directors fix the designations and 
any of the preferences or rights of such shares relating to dividends, 
redemption, dissolution, any distribution of assets of the corporation or the 
conversion into, or the exchange of such shares for, shares of any other 
class or classes or any other series of the same or any other class or 
classes of stock of the corporation or fix the number of shares of any series 
of stock or authorize the increase or decrease of the shares of any series), 
adopting an agreement of merger or consolidation, recommending to the 
stockholders the sale, lease or exchange of all or substantially all of the 
corporation's property and assets, recommending to 

                                     10.

<PAGE>

the stockholders a dissolution of the corporation or a revocation of a 
dissolution, or amending the bylaws of the corporation. 

          (b)  OTHER COMMITTEES.  The Board of Directors may, by resolution 
passed by a majority of the whole Board of Directors, from time to time 
appoint such other committees as may be permitted by law.  Such other 
committees appointed by the Board of Directors shall consist of one (1) or 
more members of the Board of Directors and shall have such powers and perform 
such duties as may be prescribed by the resolution or resolutions creating 
such committees, but in no event shall such committee have the powers denied 
to the Executive Committee in these Bylaws. 

          (c)  TERM.  Each member of a committee of the Board of Directors 
shall serve a term on the committee coexistent with such member's term on the 
Board of Directors.  The Board of Directors, subject to the provisions of 
subsections (a) or (b) of this Bylaw may at any time increase or decrease the 
number of members of a committee or terminate the existence of a committee.  
The membership of a committee member shall terminate on the date of his death 
or voluntary resignation from the committee or from the Board of Directors.  
The Board of Directors may at any time for any reason remove any individual 
committee member and the Board of Directors may fill any committee vacancy 
created by death, resignation, removal or increase in the number of members 
of the committee.  The Board of Directors may designate one or more directors 
as alternate members of any committee, who may replace any absent or 
disqualified member at any meeting of the committee, and, in addition, in the 
absence or disqualification of any member of a committee, the member or 
members thereof present at any meeting and not disqualified from voting, 
whether or not he or they constitute a quorum, may unanimously appoint 
another member of the Board of Directors to act at the meeting in the place 
of any such absent or disqualified member.  

          (d)  MEETINGS.  Unless the Board of Directors shall otherwise 
provide, regular meetings of the Executive Committee or any other committee 
appointed pursuant to this Section 25 shall be held at such times and places 
as are determined by the Board of Directors, or by any such committee, and 
when notice thereof has been given to each member of such committee, no 
further notice of such regular meetings need be given thereafter.  Special 
meetings of any such committee may be held at any place which has been 
determined from time to time by such committee, and may be called by any 
director who is a member of such committee, upon written notice to the 
members of such committee of the time and place of such special meeting given 
in the manner provided for the giving of written notice to members of the 
Board of Directors of the time and place of special meetings of the Board of 
Directors.  Notice of any special meeting of any committee may be waived in 
writing at any time before or after the meeting and will be waived by any 
director by attendance thereat, except when the director attends such special 
meeting for the express purpose of objecting, at the beginning of the 
meeting, to the transaction of any business because the meeting is not 
lawfully called or convened.  A majority of the authorized number of members 
of any such committee shall constitute a quorum for the transaction of 
business, and the act of a majority of those present at any meeting at which 
a quorum is present shall be the act of such committee.  


                                     11.

<PAGE>

     SECTION 26.    ORGANIZATION.  At every meeting of the directors, the 
Chairman of the Board of Directors, or, if a Chairman has not been appointed 
or is absent, the Chief Executive Officer, or if the Chief Executive Officer 
is absent, the President, or, in the absence of any such officer, a chairman 
of the meeting chosen by a majority of the directors present, shall preside 
over the meeting.  The Secretary, or in his absence, an Assistant Secretary 
directed to do so by the Chief Executive Officer, shall act as secretary of 
the meeting.

                            ARTICLE V

                             OFFICERS

     SECTION 27.    OFFICERS DESIGNATED.  The officers of the corporation 
shall include, if and when designated by the Board of Directors, the Chairman 
of the Board of Directors, the Chief Executive Officer, the President, one or 
more Vice Presidents, the Secretary, the Chief Financial Officer, the 
Treasurer, the Controller, all of whom shall be elected at the annual 
organizational meeting of the Board of Directors.  The Board of Directors may 
also appoint one or more Assistant Secretaries, Assistant Treasurers, 
Assistant Controllers and such other officers and agents with such powers and 
duties as it shall deem necessary.  The Board of Directors may assign such 
additional titles to one or more of the officers as it shall deem 
appropriate.  Any one person may hold any number of offices of the 
corporation at any one time unless specifically prohibited therefrom by law. 
The salaries and other compensation of the officers of the corporation shall 
be fixed by or in the manner designated by the Board of Directors.  

     SECTION 28.    TENURE AND DUTIES OF OFFICERS.

          (a)  GENERAL.  All officers shall hold office at the pleasure of 
the Board of Directors and until their successors shall have been duly 
elected and qualified, unless sooner removed.  Any officer elected or 
appointed by the Board of Directors may be removed at any time by the Board 
of Directors.  If the office of any officer becomes vacant for any reason, 
the vacancy may be filled by the Board of Directors.   

          (b)  DUTIES OF CHAIRMAN OF THE BOARD OF DIRECTORS.  The Chairman of 
the Board of Directors, when present, shall preside at all meetings of the 
stockholders and the Board of Directors.  The Chairman of the Board of 
Directors shall perform other duties commonly incident to his office and 
shall also perform such other duties and have such other powers as the Board 
of Directors shall designate from time to time.   

          (c)  DUTIES OF CHIEF EXECUTIVE OFFICER.  The Chief Executive 
Officer shall preside at all meetings of the stockholders and at all meetings 
of the Board of Directors, unless the Chairman of the Board of Directors has 
been appointed and is present.  The Chief Executive Officer shall, subject to 
the control of the Board of Directors, have general supervision, direction 
and control of the business and officers of the corporation.  The Chief 
Executive Officer shall perform other duties commonly incident to his office 
and shall also perform such other duties and have such other powers as the 
Board of Directors shall designate from time to time.  


                                     12.

<PAGE>


          (d)  DUTIES OF PRESIDENT.  The President may assume and perform the 
duties of the Chief Executive Officer in the absence or disability of the 
Chief Executive Officer or whenever the office of Chief Executive Officer is 
vacant.  The President shall perform other duties commonly incident to his 
office and shall also perform such other duties and have such other powers as 
the Board of Directors or the Chief Executive Officer shall designate from 
time to time.

          (e)  DUTIES OF VICE PRESIDENTS.  The Vice Presidents may assume and 
perform the duties of the President in the absence or disability of the 
President or whenever the office of President is vacant.  The Vice Presidents 
shall perform other duties commonly incident to their office and shall also 
perform such other duties and have such other powers as the Board of 
Directors, the Chief Executive Officer or the President shall designate from 
time to time.  

          (f)  DUTIES OF SECRETARY.  The Secretary shall attend all meetings 
of the stockholders and of the Board of Directors and shall record all acts 
and proceedings thereof in the minute book of the corporation.  The Secretary 
shall give notice in conformity with these Bylaws of all meetings of the 
stockholders and of all meetings of the Board of Directors and any committee 
thereof requiring notice.  The Secretary shall perform all other duties given 
him in these Bylaws and other duties commonly incident to his office and 
shall also perform such other duties and have such other powers as the Board 
of Directors shall designate from time to time.  The Chief Executive Officer 
may direct any Assistant Secretary to assume and perform the duties of the 
Secretary in the absence or disability of the Secretary, and each Assistant 
Secretary shall perform other duties commonly incident to his office and 
shall also perform such other duties and have such other powers as the Board 
of Directors or the Chief Executive Officer shall designate from time to 
time.  

          (g)  DUTIES OF CHIEF FINANCIAL OFFICER.  The Chief Financial 
Officer shall keep or cause to be kept the books of account of the 
corporation in a thorough and proper manner and shall render statements of 
the financial affairs of the corporation in such form and as often as 
required by the Board of Directors or the Chief Executive Officer.  The Chief 
Financial Officer, subject to the order of the Board of Directors, shall have 
the custody of all funds and securities of the corporation.  The Chief 
Financial Officer shall perform other duties commonly incident to his office 
and shall also perform such other duties and have such other powers as the 
Board of Directors or the Chief Executive Officer shall designate from time 
to time.  The Chief Executive Officer may direct the Treasurer or any 
Assistant Treasurer, or the Controller or any Assistant Controller to assume 
and perform the duties of the Chief Financial Officer in the absence or 
disability of the Chief Financial Officer, and each Treasurer and Assistant 
Treasurer and each Controller and Assistant Controller shall perform other 
duties commonly incident to his office and shall also perform such other 
duties and have such other powers as the Board of Directors or the Chief 
Executive Officer shall designate from time to time.  

     SECTION 29.    DELEGATION OF AUTHORITY.  The Board of Directors may from 
time to time delegate the powers or duties of any officer to any other 
officer or agent, notwithstanding any provision hereof.


                                     13.

<PAGE>

     SECTION 30.    RESIGNATIONS.  Any officer may resign at any time by 
giving written notice to the Board of Directors or to the Chief Executive 
Officer or to the Secretary.  Any such resignation shall be effective when 
received by the person or persons to whom such notice is given, unless a 
later time is specified therein, in which event the resignation shall become 
effective at such later time.  Unless otherwise specified in such notice, the 
acceptance of any such resignation shall not be necessary to make it 
effective.  Any resignation shall be without prejudice to the rights, if any, 
of the corporation under any contract with the resigning officer.  

     SECTION 31.    REMOVAL.  Any officer may be removed from office at any 
time, either with or without cause, by the affirmative vote of a majority of 
the directors in office at the time, or by the unanimous written consent of 
the directors in office at the time, or by any committee or superior officers 
upon whom such power of removal may have been conferred by the Board of 
Directors.

                            ARTICLE VI

          EXECUTION OF CORPORATE INSTRUMENTS AND VOTING
              OF SECURITIES OWNED BY THE CORPORATION

     SECTION 32.    EXECUTION OF CORPORATE INSTRUMENTS.  The Board of 
Directors may, in its discretion, determine the method and designate the 
signatory officer or officers, or other person or persons, to execute on 
behalf of the corporation any corporate instrument or document, or to sign on 
behalf of the corporation the corporate name without limitation, or to enter 
into contracts on behalf of the corporation, except where otherwise provided 
by law or these Bylaws, and such execution or signature shall be binding upon 
the corporation.  

     Unless otherwise specifically determined by the Board of Directors or 
otherwise required by law, promissory notes, deeds of trust, mortgages and 
other evidences of indebtedness of the corporation, and other corporate 
instruments or documents requiring the corporate seal, and certificates of 
shares of stock owned by the corporation, shall be executed, signed or 
endorsed by the Chairman of the Board of Directors, or the President or any 
Vice President, and by the Secretary or Treasurer or any Assistant Secretary 
or Assistant Treasurer.  All other instruments and documents requiring the 
corporate signature, but not requiring the corporate seal, may be executed as 
aforesaid or in such other manner as may be directed by the Board of 
Directors.  

     All checks and drafts drawn on banks or other depositaries on funds to 
the credit of the corporation or in special accounts of the corporation shall 
be signed by such person or persons as the Board of Directors shall authorize 
so to do.

     Unless authorized or ratified by the Board of Directors or within the 
agency power of an officer, no officer, agent or employee shall have any 
power or authority to bind the corporation by any contract or engagement or 
to pledge its credit or to render it liable for any purpose or for any 
amount.  


                                     14.

<PAGE>

     SECTION 33.    VOTING OF SECURITIES OWNED BY THE CORPORATION.  All stock 
and other securities of other corporations owned or held by the corporation 
for itself, or for other parties in any capacity, shall be voted, and all 
proxies with respect thereto shall be executed, by the person authorized so 
to do by resolution of the Board of Directors, or, in the absence of such 
authorization, by the Chairman of the Board of Directors, the Chief Executive 
Officer, the President, or any Vice President.  

                           ARTICLE VII

                         SHARES OF STOCK

     SECTION 34.    FORM AND EXECUTION OF CERTIFICATES.  Certificates for the 
shares of stock of the corporation shall be in such form as is consistent 
with the Certificate of Incorporation and applicable law.  Every holder of 
stock in the corporation shall be entitled to have a certificate signed by or 
in the name of the corporation by the Chairman of the Board of Directors, or 
the President or any Vice President and by the Treasurer or Assistant 
Treasurer or the Secretary or Assistant Secretary, certifying the number of 
shares owned by him in the corporation.  Any or all of the signatures on the 
certificate may be facsimiles.  In case any officer, transfer agent, or 
registrar who has signed or whose facsimile signature has been placed upon a 
certificate shall have ceased to be such officer, transfer agent, or 
registrar before such certificate is issued, it may be issued with the same 
effect as if he were such officer, transfer agent, or registrar at the date 
of issue.  Each certificate shall state upon the face or back thereof, in 
full or in summary, all of the powers, designations, preferences, and rights, 
and the limitations or restrictions of the shares authorized to be issued or 
shall, except as otherwise required by law, set forth on the face or back a 
statement that the corporation will furnish without charge to each 
stockholder who so requests the powers, designations, preferences and 
relative, participating, optional, or other special rights of each class of 
stock or series thereof and the qualifications, limitations or restrictions 
of such preferences and/or rights.  Within a reasonable time after the 
issuance or transfer of uncertificated stock, the corporation shall send to 
the registered owner thereof a written notice containing the information 
required to be set forth or stated on certificates pursuant to this section 
or otherwise required by law or with respect to this section a statement that 
the corporation will furnish without charge to each stockholder who so 
requests the powers, designations, preferences and relative participating, 
optional or other special rights of each class of stock or series thereof and 
the qualifications, limitations or restrictions of such preferences and/or 
rights.  Except as otherwise expressly provided by law, the rights and 
obligations of the holders of certificates representing stock of the same 
class and series shall be identical.  

     SECTION 35.    LOST CERTIFICATES.  A new certificate or certificates 
shall be issued in place of any certificate or certificates theretofore 
issued by the corporation alleged to have been lost, stolen, or destroyed, 
upon the making of an affidavit of that fact by the person claiming the 
certificate of stock to be lost, stolen, or destroyed.  The corporation may 
require, as a condition precedent to the issuance of a new certificate or 
certificates, the owner of such lost, stolen, or destroyed certificate or 
certificates, or his legal representative, to advertise the same in such 
manner as it shall require or to give the corporation a surety bond in such 
form and amount as


                                     15.

<PAGE>

it may direct as indemnity against any claim that may be made against the 
corporation with respect to the certificate alleged to have been lost, 
stolen, or destroyed.  

     SECTION 36.    TRANSFERS.

          (a)  Transfers of record of shares of stock of the corporation 
shall be made only upon its books by the holders thereof, in person or by 
attorney duly authorized, and upon the surrender of a properly endorsed 
certificate or certificates for a like number of shares.  

          (b)  The corporation shall have power to enter into and perform any 
agreement with any number of stockholders of any one or more classes of stock 
of the corporation to restrict the transfer of shares of stock of the 
corporation of any one or more classes owned by such stockholders in any 
manner not prohibited by the General Corporation Law of Delaware.       

SECTION 37.    FIXING RECORD DATES.

          (a)  In order that the corporation may determine the stockholders 
entitled to notice of or to vote at any meeting of stockholders or any 
adjournment thereof, the Board of Directors may fix, in advance, a record 
date, which record date shall not precede the date upon which the resolution 
fixing the record date is adopted by the Board of Directors, and which record 
date shall not be more than sixty (60) nor less than ten (10) days before the 
date of such meeting.  If no record date is fixed by the Board of Directors, 
the record date for determining stockholders entitled to notice of or to vote 
at a meeting of stockholders shall be at the close of business on the day 
next preceding the day on which notice is given, or if notice is waived, at 
the close of business on the day next preceding the day on which the meeting 
is held.  A determination of stockholders of record entitled to notice of or 
to vote at a meeting of stockholders shall apply to any adjournment of the 
meeting; PROVIDED, HOWEVER, that the Board of Directors may fix a new record 
date for the adjourned meeting.

     (b)  Prior to the Initial Public Offering, in order that the corporation 
may determine the stockholders entitled to consent to corporate action in 
writing without a meeting, the Board of Directors may fix a record date, 
which record date shall not precede the date upon which the resolution fixing 
the record date is adopted by the Board of Directors, and which date shall 
not be more than 10 days after the date upon which the resolution fixing the 
record date is adopted by the Board of Directors.  Any stockholder of record 
seeking to have the stockholders authorize or take corporate action by 
written consent shall, by written notice to the Secretary, request the Board 
of Directors to fix a record date.  The Board of Directors shall promptly, 
but in all events within 10 days after the date on which such a request is 
received, adopt a resolution fixing the record date. If no record date has 
been fixed by the Board of Directors within 10 days of the date on which such 
a request is received, the record date for determining stockholders entitled 
to consent to corporate action in writing without a meeting, when no prior 
action by the Board of Directors is required by applicable law, shall be the 
first date on which a signed written consent setting forth the action taken 
or proposed to be taken is delivered to the corporation by delivery to its 
registered office in the State of Delaware, its principal place of business 
or an officer or agent of the corporation having custody of the book in which 
proceedings of meetings 


                                     16.

<PAGE>

of stockholders are recorded.  Delivery made to the corporation's registered 
office shall be by hand or by certified or registered mail, return receipt 
requested.  If no record date has been fixed by the Board of Directors and 
prior action by the Board of Directors is required by law, the record date 
for determining stockholders entitled to consent to corporate action in 
writing without a meeting shall be at the close of business on the day on 
which the Board of Directors adopts the resolution taking such prior action.

          (c)  In order that the corporation may determine the stockholders 
entitled to receive payment of any dividend or other distribution or 
allotment of any rights or the stockholders entitled to exercise any rights 
in respect of any change, conversion or exchange of stock, or for the purpose 
of any other lawful action, the Board of Directors may fix, in advance, a 
record date, which record date shall not precede the date upon which the 
resolution fixing the record date is adopted, and which record date shall be 
not more than sixty (60) days prior to such action.  If no record date is 
fixed, the record date for determining stockholders for any such purpose 
shall be at the close of business on the day on which the Board of Directors 
adopts the resolution relating thereto.  

     SECTION 38.    REGISTERED STOCKHOLDERS.  The corporation shall be 
entitled to recognize the exclusive right of a person registered on its books 
as the owner of shares to receive dividends, and to vote as such owner, and 
shall not be bound to recognize any equitable or other claim to or interest 
in such share or shares on the part of any other person whether or not it 
shall have express or other notice thereof, except as otherwise provided by 
the laws of Delaware.  

                           ARTICLE VIII

               OTHER SECURITIES OF THE CORPORATION

     SECTION 39.    EXECUTION OF OTHER SECURITIES.  All bonds, debentures and 
other corporate securities of the corporation, other than stock certificates 
(covered in Section 34), may be signed by the Chairman of the Board of 
Directors, the Chief Executive Officer, the President or any Vice President, 
or such other person as may be authorized by the Board of Directors, and the 
corporate seal impressed thereon or a facsimile of such seal imprinted 
thereon and attested by the signature of the Secretary or an Assistant 
Secretary, or the Chief Financial Officer or Treasurer or an Assistant 
Treasurer; PROVIDED, HOWEVER, that where any such bond, debenture or other 
corporate security shall be authenticated by the manual signature, or where 
permissible facsimile signature, of a trustee under an indenture pursuant to 
which such bond, debenture or other corporate security shall be issued, the 
signatures of the persons signing and attesting the corporate seal on such 
bond, debenture or other corporate security may be the imprinted facsimile of 
the signatures of such persons.  Interest coupons appertaining to any such 
bond, debenture or other corporate security, authenticated by a trustee as 
aforesaid, shall be signed by the Treasurer or an Assistant Treasurer of the 
corporation or such other person as may be authorized by the Board of 
Directors, or bear imprinted thereon the facsimile signature of such person.  
In case any officer who shall have signed or attested any bond, debenture or 
other corporate security, or whose facsimile signature shall appear thereon 
or on any such interest coupon, shall have ceased to be such officer before 
the bond, debenture or other corporate 

                                     17.

<PAGE>

security so signed or attested shall have been delivered, such bond, 
debenture or other corporate security nevertheless may be adopted by the 
corporation and issued and delivered as though the person who signed the same 
or whose facsimile signature shall have been used thereon had not ceased to 
be such officer of the corporation.

                            ARTICLE IX

                            DIVIDENDS

     SECTION 40.    DECLARATION OF DIVIDENDS.  Dividends upon the capital 
stock of the corporation, subject to the provisions of the Certificate of 
Incorporation, if any, may be declared by the Board of Directors pursuant to 
law at any regular or special meeting.  Dividends may be paid in cash, in 
property, or in shares of the capital stock, subject to the provisions of the 
Certificate of Incorporation.  

     SECTION 41.    DIVIDEND RESERVE.  Before payment of any dividend, there 
may be set aside out of any funds of the corporation available for dividends 
such sum or sums as the Board of Directors from time to time, in their 
absolute discretion, think proper as a reserve or reserves to meet 
contingencies, or for equalizing dividends, or for repairing or maintaining 
any property of the corporation, or for such other purpose as the Board of 
Directors shall think conducive to the interests of the corporation, and the 
Board of Directors may modify or abolish any such reserve in the manner in 
which it was created.  

                            ARTICLE X

                           FISCAL YEAR

     SECTION 42.    FISCAL YEAR.  The fiscal year of the corporation shall be 
fixed by resolution of the Board of Directors.

                            ARTICLE XI

                         INDEMNIFICATION

     SECTION 43.    INDEMNIFICATION OF DIRECTORS, EXECUTIVE OFFICERS, OTHER
                    OFFICERS, EMPLOYEES AND OTHER AGENTS.

          (a)  DIRECTORS AND OFFICERS.  The corporation shall indemnify its 
directors and officers to the fullest extent not prohibited by the Delaware 
General Corporation Law; PROVIDED, HOWEVER, that the corporation may modify 
the extent of such indemnification by individual contracts with its directors 
and executive officers and, PROVIDED, FURTHER, that the corporation shall not 
be required to indemnify any director or officer in connection with any 
proceeding (or part thereof) initiated by such person unless (i) such 
indemnification is expressly required to be made by law, (ii) the proceeding 
was authorized by the Board of Directors of the corporation, (iii) such 
indemnification is provided by the corporation, in its sole discretion, 
pursuant to the


                                     18.

<PAGE>

powers vested in the corporation under the Delaware General Corporation Law 
or (iv) such indemnification is required to be made under subsection (d).

          (b)  EMPLOYEES AND OTHER AGENTS.  The corporation shall have power 
to indemnify its employees and other agents as set forth in the Delaware 
General Corporation Law.

          (c)  EXPENSES.  The corporation shall advance to 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, by reason of the fact that he is or was a 
director or officer, of the corporation, or is or was serving at the request 
of the corporation as a director or officer of another corporation, 
partnership, joint venture, trust or other enterprise, prior to the final 
disposition of the proceeding, promptly following request therefor, all 
expenses incurred by any director or officer in connection with such 
proceeding upon receipt of an undertaking by or on behalf of such person to 
repay said amounts if it should be determined ultimately that such person is 
not entitled to be indemnified under this Bylaw or otherwise.

Notwithstanding the foregoing, unless otherwise determined pursuant to 
paragraph (e) of this Bylaw, no advance shall be made by the corporation to 
an officer of the corporation (except by reason of the fact that such officer 
is or was a director of the corporation in which event this paragraph shall 
not apply) in any action, suit or proceeding, whether civil, criminal, 
administrative or investigative, if a determination is reasonably and 
promptly made (i) by the Board of Directors by a majority vote of a quorum 
consisting of directors who were not parties to the proceeding, or (ii) if 
such quorum is not obtainable, or, even if obtainable, a quorum of 
disinterested directors so directs, by independent legal counsel in a written 
opinion, that the facts known to the decision-making party at the time such 
determination is made demonstrate clearly and convincingly that such person 
acted in bad faith or in a manner that such person did not believe to be in 
or not opposed to the best interests of the corporation.

          (d)  ENFORCEMENT.  Without the necessity of entering into an 
express contract, all rights to indemnification and advances to directors and 
officers and officers under this Bylaw shall be deemed to be contractual 
rights and be effective to the same extent and as if provided for in a 
contract between the corporation and the director or officer.  Any right to 
indemnification or advances granted by this Bylaw to a director or officer 
shall be enforceable by or on behalf of the person holding such right in any 
court of competent jurisdiction if (i) the claim for indemnification or 
advances is denied, in whole or in part, or (ii) no disposition of such claim 
is made within ninety (90) days of request therefor.  The claimant in such 
enforcement action, if successful in whole or in part, shall be entitled to 
be paid also the expense of prosecuting his claim.  In connection with any 
claim for indemnification, the corporation shall be entitled to raise as a 
defense to any such action that the claimant has not met the standards of 
conduct that make it permissible under the Delaware General Corporation Law 
for the corporation to indemnify the claimant for the amount claimed.  In 
connection with any claim by an officer of the corporation (except in any 
action, suit or proceeding, whether civil, criminal, administrative or 
investigative, by reason of the fact that such officer is or was a director 
of the corporation) for advances, the corporation shall be entitled to raise 
a defense as to any such


                                     19.

<PAGE>

action clear and convincing evidence that such person acted in bad faith or 
in a manner that such person did not believe to be in or not opposed to the 
best interests of the corporation, or with respect to any criminal action or 
proceeding that such person acted without reasonable cause to believe that 
his conduct was lawful.  Neither the failure of the corporation (including 
its Board of Directors, independent legal counsel or its stockholders) to 
have made a determination prior to the commencement of such action that 
indemnification of the claimant is proper in the circumstances because he has 
met the applicable standard of conduct set forth in the Delaware General 
Corporation Law, nor an actual determination by the corporation (including 
its Board of Directors, independent legal counsel or its stockholders) that 
the claimant has not met such applicable standard of conduct, shall be a 
defense to the action or create a presumption that claimant has not met the 
applicable standard of conduct. 

          (e)  NON-EXCLUSIVITY OF RIGHTS.  The rights conferred on any person 
by this Bylaw shall not be exclusive of any other right which such person may 
have or hereafter acquire under any statute, provision of the Certificate of 
Incorporation, Bylaws, agreement, vote of stockholders or disinterested 
directors or otherwise, both as to action in his official capacity and as to 
action in another capacity while holding office.  The corporation is 
specifically authorized to enter into individual contracts with any or all of 
its directors, officers, employees or agents respecting indemnification and 
advances, to the fullest extent not prohibited by the Delaware General 
Corporation Law.

          (f)  SURVIVAL OF RIGHTS.  The rights conferred on any person by 
this Bylaw shall continue as to a person who has ceased to be a director, 
officer, employee or other agent and shall inure to the benefit of the heirs, 
executors and administrators of such a person.

          (g)  INSURANCE.  To the fullest extent permitted by the Delaware 
General Corporation Law, the corporation, upon approval by the Board of 
Directors, may purchase insurance on behalf of any person required or 
permitted to be indemnified pursuant to this Bylaw.

          (h)  AMENDMENTS.  Any repeal or modification of this Bylaw shall 
only be prospective and shall not affect the rights under this Bylaw in 
effect at the time of the alleged occurrence of any action or omission to act 
that is the cause of any proceeding against any agent of the corporation.

          (i)  SAVING CLAUSE.  If this Bylaw or any portion hereof shall be 
invalidated on any ground by any court of competent jurisdiction, then the 
corporation shall nevertheless indemnify each director and officer to the 
full extent not prohibited by any applicable portion of this Bylaw that shall 
not have been invalidated, or by any other applicable law.

          (j)  CERTAIN DEFINITIONS.  For the purposes of this Bylaw, the 
following definitions shall apply:

               (i)     The term "proceeding" shall be broadly construed 
     and shall include, without limitation, the investigation, preparation,
     prosecution, defense, settlement,


                                     20.

<PAGE>

     arbitration and appeal of, and the giving of testimony in, any 
     threatened, pending or completed action, suit or proceeding, whether 
     civil, criminal, administrative or investigative.

               (ii)    The term "expenses" shall be broadly construed and 
     shall include, without limitation, court costs, attorneys' fees, witness 
     fees, fines, amounts paid in settlement or judgment and any other costs 
     and expenses of any nature or kind incurred in connection with any 
     proceeding.

               (iii)    The term the "corporation" 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, officers, and employees or agents, 
     so that any person who is or was a director, officer, employee or agent 
     of such constituent corporation, or is or was serving at the request of 
     such constituent corporation as a director, officer, employee or agent 
     of another corporation, partnership, joint venture, trust or other 
     enterprise, shall stand in the same position under the provisions of 
     this Bylaw with respect to the resulting or surviving corporation as he 
     would have with respect to such constituent corporation if its separate 
     existence had continued.

                (iv)    References to a "director," "executive officer," 
     "officer," "employee," or "agent" of the corporation shall include, 
     without limitation, situations where such person is serving at the 
     request of the corporation as, respectively, a director, executive 
     officer, officer, employee, trustee or agent of another corporation, 
     partnership, joint venture, trust or other enterprise.

                (v)     References to "other enterprises" shall include 
     employee benefit plans; references to "fines" shall include any excise 
     taxes assessed on a person with respect to an employee benefit plan; and 
     references to "serving at the request of the corporation" shall include 
     any service as a director, officer, employee or agent of the corporation 
     which imposes duties on, or involves services by, such director, 
     officer, employee, or agent with respect to an employee benefit plan, 
     its participants, or beneficiaries; and a person who acted in good faith 
     and in a manner he reasonably believed to be in the interest of the 
     participants and beneficiaries of an employee benefit plan shall be 
     deemed to have acted in a manner "not opposed to the best interests of 
     the corporation" as referred to in this Bylaw.



                                     21.

<PAGE>

                           ARTICLE XII

                             NOTICES

     SECTION 44.    NOTICES.

          (a)  NOTICE TO STOCKHOLDERS.  Whenever, under any provisions of 
these Bylaws, notice is required to be given to any stockholder, it shall be 
given in writing, timely and duly deposited in the United States mail, 
postage prepaid, and addressed to his last known post office address as shown 
by the stock record of the corporation or its transfer agent.  

          (b)  NOTICE TO DIRECTORS.  Any notice required to be given to any 
director may be given by the method stated in subsection (a), or by 
facsimile, telex or telegram, except that such notice other than one which is 
delivered personally shall be sent to such address as such director shall 
have filed in writing with the Secretary, or, in the absence of such filing, 
to the last known post office address of such director.

          (c)  AFFIDAVIT OF MAILING.  An affidavit of mailing, executed by a 
duly authorized and competent employee of the corporation or its transfer 
agent appointed with respect to the class of stock affected, specifying the 
name and address or the names and addresses of the stockholder or 
stockholders, or director or directors, to whom any such notice or notices 
was or were given, and the time and method of giving the same, shall in the 
absence of fraud, be prima facie evidence of the facts therein contained.  

          (d)  TIME NOTICES DEEMED GIVEN.  All notices given by mail, as 
above provided, shall be deemed to have been given as at the time of mailing, 
and all notices given by facsimile, telex or telegram shall be deemed to have 
been given as of the sending time recorded at time of transmission.

          (e)  METHODS OF NOTICE.  It shall not be necessary that the same 
method of giving notice be employed in respect of all directors, but one 
permissible method may be employed in respect of any one or more, and any 
other permissible method or methods may be employed in respect of any other 
or others.

          (f)  FAILURE TO RECEIVE NOTICE.  The period or limitation of time 
within which any stockholder may exercise any option or right, or enjoy any 
privilege or benefit, or be required to act, or within which any director may 
exercise any power or right, or enjoy any privilege, pursuant to any notice 
sent him in the manner above provided, shall not be affected or extended in 
any manner by the failure of such stockholder or such director to receive 
such notice.

          (g)  NOTICE TO PERSON WITH WHOM COMMUNICATION IS UNLAWFUL.  
Whenever notice is required to be given, under any provision of law or of the 
Certificate of Incorporation or Bylaws of the corporation, to any person with 
whom communication is unlawful, the giving of such notice to such person 
shall not be required and there shall be no duty to apply to any


                                     22.

<PAGE>

governmental authority or agency for a license or permit to give such notice 
to such person.  Any action or meeting which shall be taken or held without 
notice to any such person with whom communication is unlawful shall have the 
same force and effect as if such notice had been duly given.  In the event 
that the action taken by the corporation is such as to require the filing of 
a certificate under any provision of the Delaware General Corporation Law, 
the certificate shall state, if such is the fact and if notice is required, 
that notice was given to all persons entitled to receive notice except such 
persons with whom communication is unlawful.

          (h)  NOTICE TO PERSON WITH UNDELIVERABLE ADDRESS.  Whenever notice 
is required to be given, under any provision of law or the Certificate of 
Incorporation or Bylaws of the corporation, to any stockholder to whom (i) 
notice of two consecutive annual meetings, and all notices of meetings or of 
the taking of action by written consent without a meeting to such person 
during the period between such two consecutive annual meetings, or (ii) all, 
and at least two, payments (if sent by first class mail) of dividends or 
interest on securities during a twelve-month period, have been mailed 
addressed to such person at his address as shown on the records of the 
corporation and have been returned undeliverable, the giving of such notice 
to such person shall not be required.  Any action or meeting which shall be 
taken or held without notice to such person shall have the same force and 
effect as if such notice had been duly given.  If any such person shall 
deliver to the corporation a written notice setting forth his then current 
address, the requirement that notice be given to such person shall be 
reinstated.  In the event that the action taken by the corporation is such as 
to require the filing of a certificate under any provision of the Delaware 
General Corporation Law, the certificate need not state that notice was not 
given to persons to whom notice was not required to be given pursuant to this 
paragraph.  

                           ARTICLE XIII

                            AMENDMENTS

     SECTION 45.    AMENDMENTS.  Subject to paragraph (h) of Section 43 of 
the Bylaws, the Bylaws may be altered or amended or new Bylaws adopted by the 
affirmative vote of at least sixty-six and two-thirds percent (66-2/3%) of 
the voting power of all of the then-outstanding shares of the Voting Stock.  
The Board of Directors shall also have the power to adopt, amend, or repeal 
Bylaws.

                           ARTICLE XIV

                        LOANS TO OFFICERS

     SECTION 46.    LOANS TO OFFICERS.  The corporation may lend money to, or 
guarantee any obligation of, or otherwise assist any officer or other 
employee of the corporation or of its subsid-iaries, including any officer or 
employee who is a Director of the corporation or its subsidiaries, whenever, 
in the judgment of the Board of Directors, such loan, guarantee or assistance 
may reasonably be expected to benefit the corporation.  The loan, guarantee 
or other assistance may be with or without interest and may be unsecured, or 
secured in such manner as


                                     23.

<PAGE>

the Board of Directors shall approve, including, without limitation, a pledge 
of shares of stock of the corporation.  Nothing in these Bylaws  shall be 
deemed to deny, limit or restrict the powers of guaranty or warranty of the 
corporation at common law or under any statute.  

                            ARTICLE XV

                          MISCELLANEOUS

     SECTION 47.    ANNUAL REPORT.

          (a)  Subject to the provisions of paragraph (b) of this Bylaw, the 
Board of Directors shall cause an annual report to be sent to each 
stockholder of the corporation not later than one hundred twenty (120) days 
after the close of the corporation's fiscal year.  Such report shall include 
a balance sheet as of the end of such fiscal year and an income statement and 
statement of changes in financial position for such fiscal year, accompanied 
by any report thereon of independent accounts or, if there is no such report, 
the certificate of an authorized officer of the corporation that such 
statements were prepared without audit from the books and records of the 
corporation.  When there are more than 100 stockholders of record of the 
corporation's shares, as determined by Section 605 of the California 
Corporations Code, additional information as required by Section 1501(b) of 
the California Corporations Code shall also be contained in such report, 
provided that if the corporation has a class of securities registered under 
Section 12 of the 1934 Act, that Act shall take precedence.  Such report 
shall be sent to stockholders at least fifteen (15) days prior to the next 
annual meeting of stockholders after the end of the fiscal year to which it 
relates.

          (b)  If and so long as there are fewer than 100 holders of record 
of the corporation's shares, the requirement of sending of an annual report 
to the stockholders of the corporation is hereby expressly waived.


                                     24.

<PAGE>

                        TABLE OF CONTENTS

                                                             PAGE
                                                             ----
ARTICLE I

OFFICES. . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
     Section 1.     Registered Office. . . . . . . . . . . . .  1
     Section 2.     Other Offices. . . . . . . . . . . . . . .  1

ARTICLE II

CORPORATE SEAL . . . . . . . . . . . . . . . . . . . . . . . .  1
     Section 3.     Corporate Seal . . . . . . . . . . . . . .  1

ARTICLE III

STOCKHOLDERS' MEETINGS . . . . . . . . . . . . . . . . . . . .  1
     Section 4.     Place of Meetings. . . . . . . . . . . . .  1
     Section 5.     Annual Meeting . . . . . . . . . . . . . .  1
     Section 6.     Special Meetings . . . . . . . . . . . . .  3
     Section 7.     Notice of Meetings . . . . . . . . . . . .  4
     Section 8.     Quorum . . . . . . . . . . . . . . . . . .  4
     Section 9.     Adjournment and Notice of Adjourned 
                    Meetings . . . . . . . . . . . . . . . . .  5
     Section 10.    Voting Rights. . . . . . . . . . . . . . .  5
     Section 11.    Joint Owners of Stock. . . . . . . . . . .  5
     Section 12.    List of Stockholders . . . . . . . . . . .  5
     Section 13.    Action Without Meeting . . . . . . . . . .  6
     Section 14.    Organization . . . . . . . . . . . . . . .  6

ARTICLE IV

DIRECTORS. . . . . . . . . . . . . . . . . . . . . . . . . . .  7
     Section 15.    Number and Term of Office. . . . . . . . .  7
     Section 16.    Powers . . . . . . . . . . . . . . . . . .  7
     Section 17.    Classes of Directors.. . . . . . . . . . .  7
     Section 18.    Vacancies. . . . . . . . . . . . . . . . .  8
     Section 19.    Resignation. . . . . . . . . . . . . . . .  8
     Section 20.    Removal. . . . . . . . . . . . . . . . . .  8
     Section 21.    Meetings . . . . . . . . . . . . . . . . .  8
            (a)     Annual Meetings. . . . . . . . . . . . . .  8
            (b)     Regular Meetings . . . . . . . . . . . . .  9
            (c)     Special Meetings . . . . . . . . . . . . .  9
            (d)     Telephone Meetings . . . . . . . . . . . .  9
            (e)     Notice of Meetings . . . . . . . . . . . .  9


                                   i.

<PAGE>
                        TABLE OF CONTENTS
                            (CONTINUED)

                                                             PAGE
                                                             ----

            (f)     Waiver of Notice . . . . . . . . . . . . .  9
     Section 22.    Quorum and Voting. . . . . . . . . . . . .  9
     Section 23.    Action Without Meeting . . . . . . . . . . 10
     Section 24.    Fees and Compensation. . . . . . . . . . . 10
     Section 25.    Committees . . . . . . . . . . . . . . . . 10
            (a)     Executive Committee. . . . . . . . . . . . 10
            (b)     Other Committees . . . . . . . . . . . . . 11
            (c)     Term . . . . . . . . . . . . . . . . . . . 11
            (d)     Meetings . . . . . . . . . . . . . . . . . 11
     Section 26.    Organization . . . . . . . . . . . . . . . 12

ARTICLE V

OFFICERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
     Section 27.    Officers Designated. . . . . . . . . . . . 12
     Section 28.    Tenure and Duties of Officers. . . . . . . 12
            (a)     General. . . . . . . . . . . . . . . . . . 12
            (b)     Duties of Chairman of the Board of 
                    Directors. . . . . . . . . . . . . . . . . 12
            (c)     Duties of Chief Executive Officer. . . . . 12
            (d)     Duties of President. . . . . . . . . . . . 13
            (e)     Duties of Vice Presidents. . . . . . . . . 13
            (f)     Duties of Secretary  . . . . . . . . . . . 13
            (g)     Duties of Chief Financial Officer. . . . . 13
     Section 29.    Delegation of Authority. . . . . . . . . . 14
     Section 30.    Resignations . . . . . . . . . . . . . . . 14
     Section 31.    Removal. . . . . . . . . . . . . . . . . . 14

ARTICLE VI

EXECUTION OF CORPORATE INSTRUMENTS AND VOTING
OF SECURITIES OWNED BY THE CORPORATION . . . . . . . . . . . . 14
     Section 32.    Execution of Corporate Instruments . . . . 14
     Section 33.    Voting of Securities Owned by the 
                    Corporation. . . . . . . . . . . . . . . . 15

ARTICLE VII

SHARES OF STOCK. . . . . . . . . . . . . . . . . . . . . . . . 15
     Section 34.    Form and Execution of Certificates . . . . 15
     Section 35.    Lost Certificates. . . . . . . . . . . . . 15



                                 ii.

<PAGE>

                        TABLE OF CONTENTS
                            (CONTINUED)

                                                             PAGE
                                                             ----

     Section 36.    Transfers. . . . . . . . . . . . . . . . . 17
     Section 37.    Fixing Record Dates. . . . . . . . . . . . 17
     Section 38.    Registered Stockholders. . . . . . . . . . 18

ARTICLE VIII

OTHER SECURITIES OF THE CORPORATION. . . . . . . . . . . . . . 18
     Section 39.    Execution of Other Securities. . . . . . . 18

ARTICLE IX

DIVIDENDS. . . . . . . . . . . . . . . . . . . . . . . . . . . 19
     Section 40.    Declaration of Dividends . . . . . . . . . 19
     Section 41.    Dividend Reserve . . . . . . . . . . . . . 19

ARTICLE X

FISCAL YEAR. . . . . . . . . . . . . . . . . . . . . . . . . . 19
     Section 42.    Fiscal Year. . . . . . . . . . . . . . . . 19

ARTICLE XI

INDEMNIFICATION. . . . . . . . . . . . . . . . . . . . . . . . 19
     Section 43.    Indemnification of Directors, Executive 
                    Officers, Other Officers, Employees and 
                    Other Agents . . . . . . . . . . . . . . . 19
            (a)     Directors and Officers . . . . . . . . . . 19
            (b)     Employees and Other Agents . . . . . . . . 20
            (c)     Expenses . . . . . . . . . . . . . . . . . 20
            (d)     Enforcement  . . . . . . . . . . . . . . . 20
            (e)     Non-Exclusivity of Rights  . . . . . . . . 21
            (f)     Survival of Rights . . . . . . . . . . . . 21
            (g)     Insurance. . . . . . . . . . . . . . . . . 21
            (h)     Amendments . . . . . . . . . . . . . . . . 21
            (i)     Saving Clause. . . . . . . . . . . . . . . 21
            (j)     Certain Definitions. . . . . . . . . . . . 21

ARTICLE XII

NOTICES. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22



                                    iii.


<PAGE>
                        TABLE OF CONTENTS
                            (CONTINUED)

                                                             PAGE
                                                             ----

     Section 44.    Notices. . . . . . . . . . . . . . . . . . 22
            (a)     Notice to Stockholders . . . . . . . . . . 22
            (b)     Notice to directors. . . . . . . . . . . . 23
            (c)     Affidavit of Mailing . . . . . . . . . . . 23
            (d)     Time Notices Deemed Given. . . . . . . . . 23
            (e)     Methods of Notice. . . . . . . . . . . . . 23
            (f)     Failure to Receive Notice. . . . . . . . . 23
            (g)     Notice to Person with Whom Communication Is 
                    Unlawful . . . . . . . . . . . . . . . . . 23
            (h)     Notice to Person with Undeliverable 
                    Address. . . . . . . . . . . . . . . . . . 23

ARTICLE XIII

AMENDMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 24
     Section 45.    Amendments . . . . . . . . . . . . . . . . 24

ARTICLE XIV

LOANS TO OFFICERS. . . . . . . . . . . . . . . . . . . . . . . 24
     Section 46.    Loans to Officers. . . . . . . . . . . . . 24

ARTICLE XV

MISCELLANEOUS. . . . . . . . . . . . . . . . . . . . . . . . . 24
     Section 47.    Annual Report. . . . . . . . . . . . . . . 24



                                  iv.



<PAGE>
                                                                    EXHIBIT 11.1
 
                 STATEMENT OF COMPUTATION OF NET LOSS PER SHARE
 
<TABLE>
<CAPTION>
                                                      THREE MONTHS ENDED SEPTEMBER   NINE MONTHS ENDED SEPTEMBER
                                                                  30,                            30,
                                                      ----------------------------  -----------------------------
                                                          1996           1995            1996           1995
                                                      -------------  -------------  --------------  -------------
<S>                                                   <C>            <C>            <C>             <C>
Net loss............................................  $  (4,825,000) $  (2,835,000) $  (12,740,000) $  (9,634,000)
                                                      -------------  -------------  --------------  -------------
                                                      -------------  -------------  --------------  -------------
Weighted average shares of Common Stock
 outstanding........................................      1,118,000        697,971       1,050,637        697,360
Shares related to staff accounting bulletin topic
 4D:
  Stock options and warrants........................        270,351        270,351         270,351        270,351
  Common Stock......................................       --              403,352          56,245        403,653
  Convertible Preferred Stock (Series C)............      3,235,579      3,235,579       3,235,579      3,235,579
Shares used in computing net loss per share.........      4,623,930      4,607,253       4,612,812      4,606,943
Net loss per share..................................  $       (1.04) $       (0.62) $        (2.76) $       (2.09)
Calculation of shares outstanding for computing pro
 forma net loss per share:
  Shares used in computing net loss per share.......      4,623,930      4,607,253       4,612,812      4,606,943
  Adjusted to reflect the effect of the assumed
    conversion of Preferred Stock from the date of
    issuance(1).....................................      4,598,080      4,598,080       4,598,080      4,544,536
Shares used in computing pro forma net loss per
 share..............................................      9,222,010      9,205,333       9,210,892      9,151,479
Pro forma net loss per share........................  $       (0.52) $       (0.31) $        (1.38) $       (1.05)
                                                      -------------  -------------  --------------  -------------
                                                      -------------  -------------  --------------  -------------
</TABLE>
 
- ------------------------
 
(1) Series A and B shares

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS, STATEMENTS OF OPERATIONS AND STATEMENTS OF CASH
FLOWS INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30,
1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
AND NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           3,818
<SECURITIES>                                         0
<RECEIVABLES>                                      500
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 7,044
<PP&E>                                           3,446
<DEPRECIATION>                                 (1,096)
<TOTAL-ASSETS>                                   9,486
<CURRENT-LIABILITIES>                            2,913
<BONDS>                                              0
                                0
                                     40,028
<COMMON>                                         2,355
<OTHER-SE>                                    (36,764)
<TOTAL-LIABILITY-AND-EQUITY>                     9,486
<SALES>                                              0
<TOTAL-REVENUES>                                   688
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                13,170
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 138
<INCOME-PRETAX>                               (12,740)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (12,740)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (12,740)
<EPS-PRIMARY>                                   (1.38)
<EPS-DILUTED>                                   (1.38)
        

</TABLE>


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