SCICLONE PHARMACEUTICALS INC
10-Q, 1998-11-16
PHARMACEUTICAL PREPARATIONS
Previous: FIDELITY COURT STREET TRUST II, 485APOS, 1998-11-16
Next: PREMIERE TECHNOLOGIES INC, 10-Q, 1998-11-16



<PAGE>   1
                                    FORM 10-Q


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

(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, 1998

                                       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:  0-19825


                         SCICLONE PHARMACEUTICALS, INC.
                         ------------------------------
             (Exact name of registrant as specified in its charter)


<TABLE>
<CAPTION>
                        CALIFORNIA                                    94-3116852
<S>                                                               <C>
(State or other jurisdiction of incorporation or organization)     (I.R.S. employer
                                                                  identification no.)
</TABLE>


901 MARINERS ISLAND BLVD., SUITE 205, SAN MATEO, CALIFORNIA            94404
          (Address of principal executive offices)                   (Zip code)

                                 (650) 358-3456
              (Registrant's telephone number, including area code)

                                 NOT APPLICABLE
              (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       X            No
                        -------------         -------------

     As of November 13, 1998, 20,199,471 shares of the registrant's Common
Stock, no par value, were issued and outstanding.



<PAGE>   2


                         SCICLONE PHARMACEUTICALS, INC.



                                      INDEX

<TABLE>
<CAPTION>
PART I.     FINANCIAL INFORMATION                                               PAGE NO.
<S>         <C>                                                                 <C>
Item 1.     Consolidated Financial Statements

            Consolidated Balance Sheets
                 September 30, 1998 and December 31, 1997                          3

            Consolidated Statements of Operations
                 Three and nine months ended September 30, 1998 and 1997           4

            Consolidated Statements of Cash Flows
                 Nine months ended September 30, 1998 and 1997                     5

            Notes to Consolidated Financial Statements                             6

Item 2.     Management's Discussion and Analysis of Financial
                 Condition and Results of Operations                               9

PART II.    OTHER INFORMATION

Item 2.     Changes in Securities and Use of Proceeds                             20

Item 6.     Exhibits and Reports on Form 8-K                                      21

Signatures                                                                        22
</TABLE>



                                       2
<PAGE>   3


PART I.  FINANCIAL INFORMATION

ITEM  1. CONSOLIDATED FINANCIAL STATEMENTS

                         SCICLONE PHARMACEUTICALS, INC.

                           CONSOLIDATED BALANCE SHEETS



<TABLE>
<CAPTION>
                                     ASSETS
                                                            September 30,      December 31,
                                                                 1998              1997
                                                            -------------     -------------  
                                                             (unaudited)
<S>                                                        <C>               <C>           
Current assets:
    Cash and cash equivalents                               $   2,358,516     $   3,619,100
    Short-term investments                                      3,032,388         3,866,007
    Accounts receivable                                         1,663,273         1,024,802
    Inventory                                                   1,490,298         2,046,218
    Prepaid expenses and other current assets                   1,047,285           332,193
                                                            -------------     -------------
Total current assets                                            9,591,760        10,888,320

Property and equipment, net                                       432,043           525,077
Long-term investments                                           1,527,968         5,415,358
Notes receivable from officers                                  1,562,050         2,326,851
Other assets                                                    2,579,760            39,899
                                                            -------------     -------------
Total assets                                                $  15,693,581     $  19,195,505
                                                            -------------     -------------

                      LIABILITIES AND SHAREHOLDERS' EQUITY

Current liabilities:
    Accounts payable                                        $     487,549     $     562,730
    Accrued compensation and benefits                             625,043           758,955
    Accrued clinical trials expense                             2,149,536         1,210,164
    Accrued professional fees                                     900,250           818,000
    Other accrued expenses                                        191,865           121,999
                                                            -------------     -------------
Total current liabilities                                       4,354,243         3,471,848

Redeemable preferred stock, no par value; 10,000,000
    shares authorized; 570,108 shares issued and
    outstanding                                                 6,156,398                --

Shareholders' equity:
    Common stock, no par value; 75,000,000 shares
        authorized; 18,706,085 and 17,348,108 shares
        issued and outstanding                                111,161,841       107,033,516
    Note receivable from former officer                        (5,944,000)       (5,944,000)
    Net unrealized gain (loss) on available-for-sale
        securities                                                 34,717           (17,588)
    Accumulated deficit                                      (100,069,618)      (85,348,271)
                                                            -------------     -------------
Total shareholders' equity                                     11,339,338        15,723,657
                                                            -------------     -------------
Total liabilities and shareholders' equity                  $  15,693,581     $  19,195,505
                                                            =============     =============
</TABLE>



                  See notes to consolidated financial statements



                                       3
<PAGE>   4


                         SCICLONE PHARMACEUTICALS, INC.

                      CONSOLIDATED STATEMENTS OF OPERATIONS
                                   (unaudited)


<TABLE>
<CAPTION>
                                                    Three months ended                 Nine months ended
                                                       September 30,                     September 30,
                                                  1998              1997              1998             1997
                                              ------------     -----------        ------------     -------------
<S>                                           <C>              <C>                <C>              <C>          
Product revenue                               $  1,005,698     $   673,499        $  2,361,387     $   1,967,117
Contract revenue                                        --              --             100,000                --
                                              ------------     -----------        ------------     -------------
Total revenue                                    1,005,698         673,499           2,461,387         1,967,117

Cost of product sales                              252,760         263,861             680,904           788,339
                                              ------------     -----------        ------------     -------------
Gross profit                                       752,938         409,638           1,780,483         1,178,778

Operating expenses:
  Research and development                       2,131,791       2,383,822           6,494,633         6,469,421
  Special research and development charges         708,363              --             708,363                --
  Marketing                                      1,307,104       1,017,447           3,861,886         2,996,899
  General and administrative                       925,571         884,455           2,773,545         2,649,752
                                              ------------     -----------        ------------     -------------
Total operating expenses                         5,072,829       4,285,724          13,838,427        12,116,072
                                              ------------     -----------        ------------     -------------

Loss from operations                            (4,319,891)     (3,876,086)        (12,057,944)      (10,937,294)

Interest and investment income, net                131,541         358,522             479,636         1,024,949
                                              ------------     -----------        ------------     -------------

Net loss                                        (4,188,350)     (3,517,564)        (11,578,308)       (9,732,345)

Deemed dividend on issuance of
   preferred stock                                      --              --          (3,143,039)               --
                                              ------------     -----------        ------------     -------------

Net loss attributable to common
   shareholders                               $ (4,188,350)    $(3,517,564)       $(14,721,347)    $   (9,732,345)
                                              ============     ===========        ============     ============== 
Net loss per share (basic & diluted)          $      (0.26)    $     (0.22)       $      (0.94)    $        (0.58)
                                              ============     ===========        ============     ============== 

Weighted average shares used in
   computing per share amounts                  15,954,322      15,796,713          15,640,453        16,829,584
                                              ============     ===========        ============     =============
</TABLE>


                                        
                 See notes to consolidated financial statements
                                        
                                        
                                        
                                       4
<PAGE>   5


                         SCICLONE PHARMACEUTICALS, INC.

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (unaudited)


<TABLE>
<CAPTION>
                                                                                 Nine months ended
                                                                                  September 30,
                                                                               1998               1997
                                                                          --------------- ---------------
<S>                                                                       <C>               <C>          
OPERATING ACTIVITIES:
Net loss attributable to common shareholders                              $(14,721,347)     $ (9,732,345)
   Adjustments to reconcile net loss to net cash used in
      operating activities:
      Depreciation and amortization                                            170,247            90,614
      Deemed dividend on issuance of Series C preferred stock                3,143,039                --
      Acquisition of product rights                                            708,363                --
      Changes in operating assets and liabilities:
         Prepaid expenses and other assets                                  (1,866,164)        1,591,179
         Accounts receivable                                                  (638,471)       (1,145,782)
         Inventory                                                             555,920           494,398
         Accounts payable and other accrued expenses                            (5,315)         (942,709)
         Accrued clinical trial expense                                        939,372            67,617
         Accrued professional fees                                              82,250        (1,011,000)
         Accrued compensation and benefits                                    (133,912)           16,409
                                                                          ------------      ------------
Net cash used in operating activities                                      (11,766,018)      (10,571,619)
                                                                          ------------      ------------
INVESTING ACTIVITIES:
   Purchase of property and equipment                                          (77,213)         (203,032)
   Sale of marketable securities, net                                        4,576,439        18,346,517
                                                                          ------------      ------------
Net cash provided by investing activities                                    4,499,226        18,143,485
                                                                          ------------      ------------
FINANCING ACTIVITIES:
   Proceeds from issuance of common stock                                      221,730         1,099,465
   Proceeds from issuance of equity line financing warrants, net               342,041                --
   Proceeds from issuance of Sclavo warrants, net                              735,000                --
   Proceeds from issuance of Series C preferred stock & warrants, net        3,957,437                --
   Note receivable from former officer                                              --        (6,024,885)
   Payment on notes receivable from officer                                    750,000                --
   Repurchase of common stock                                                       --        (4,267,249)
                                                                          ------------      ------------
Net cash provided by (used in) financing activities                          6,006,208        (9,192,669)
                                                                          ------------      ------------
Net decrease in cash and cash equivalents                                   (1,260,584)       (1,620,803)
Cash and cash equivalents, beginning of period                               3,619,100         4,642,590
                                                                          ------------      ------------
Cash and cash equivalents, end of period                                  $  2,358,516      $  3,021,787
                                                                          ============      ============

Supplemental disclosures of non-cash financing activities:
     Deemed dividend on issuance of Series C preferred stock              $  3,143,039      $         --
     Warrants attributable to Series C preferred stock                         245,000                --
     Warrants attributable to equity line financing                            460,000                --
     Warrants attributable to Sclavo acquisition rights                        735,000                --
     Conversion of Series C preferred stock to common stock                    944,078                --
     Common stock issued to acquire product rights                           1,885,476                --
</TABLE>



                 See notes to consolidated financial statements



                                       5
<PAGE>   6


                         SCICLONE PHARMACEUTICALS, INC.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   The accompanying unaudited consolidated financial statements have been
     prepared in conformity with generally accepted accounting principles
     consistent with those applied in, and should be read in conjunction with,
     the audited financial statements for the year ended December 31, 1997.
     Certain items in the financial statements have been reclassified to conform
     to current quarter presentation. The interim financial information reflects
     all normal recurring adjustments which are, in the opinion of management,
     necessary for a fair presentation of the results for the interim periods
     presented. The interim results are not necessarily indicative of results
     for subsequent interim periods or for the full year.

2.   As of January 1, 1998, the Company adopted Statement of Financial
     Accounting Standards No. 128, "Earnings Per Share" ("SFAS 128"). SFAS 128
     requires the presentation of basic earnings (loss) per share and diluted
     earnings (loss) per share, if more dilutive, for all periods presented. In
     accordance with SFAS 128, basic net loss per share has been computed using
     the weighted average number of shares of common stock outstanding during
     the period. Diluted net loss per share has not been presented as the result
     would be antidilutive given the Company's history of net losses.

3.   As of January 1, 1998, the Company adopted Statement of Financial
     Accounting Standards No. 130, "Reporting Comprehensive Income" ("SFAS
     130"). SFAS 130 establishes new rules for the reporting and display of
     comprehensive income and its components; however, the adoption of this
     Statement had no impact on the Company's net loss or shareholders' equity.
     SFAS 130 requires unrealized gains or losses on the Company's
     available-for-sale securities and foreign currency translation adjustments,
     which prior to adoption were reported separately in shareholders' equity to
     be included in other comprehensive income. Prior year financial statements
     have been reclassified to conform to the requirements of SFAS 130. For the
     three-month periods ended September 30, 1998 and 1997, total comprehensive
     loss attributable to common shareholders amounted to $(4,153,633) and
     $(3,621,766), respectively. For the nine-month periods ended September 30,
     1998 and 1997, total comprehensive loss attributable to common shareholders
     amounted to $(14,686,630) and $(9,836,547), respectively.

4.   As of January 1, 1998, the Company adopted Statement of Financial
     Accounting Standards No. 131, "Disclosures about Segments of an Enterprise
     and Related Information" ("SFAS 131"). SFAS 131 requires that the Company
     report financial and descriptive information about its reportable operating
     segments. The Company is evaluating the impact, if any, on SFAS 131
     disclosures, but does not believe the disclosures are material.



                                       6
<PAGE>   7


5.   The following is a summary of available-for sale securities at September
     30, 1998:

<TABLE>
<CAPTION>
                                                Available-for-Sale Securities
                                   ---------------------------------------------------
                                                   Gross         Gross       Estimated
                                                Unrealized    Unrealized       Fair
                                       Cost        Gains        Losses         Value
                                   ----------   ----------    ----------    ----------
         <S>                       <C>           <C>          <C>           <C>
         U.S. Government &
            Agency obligations     $  993,028    $  20,847    $      --     $1,013,875
         Corporate obligations      3,542,447       40,669      (36,635)     3,546,481
                                   ----------    ---------    ----------    ----------
                                   $4,535,475    $  61,516    $ (36,635)    $4,560,356
                                   ==========    =========    ==========    ==========
</TABLE>


          The amortized cost and estimated fair value of available-for-sale
          securities at September 30, 1998 by contractual maturity are shown
          below.

<TABLE>
<CAPTION>
                                                                        Estimated
                                                                           Fair
                                                         Cost              Value
                                                      ----------        ----------
         <S>                                          <C>               <C>       
         Due in one year or less                      $3,042,823        $3,032,388
         Due after one year through three years        1,492,652         1,527,968
                                                      ----------        ----------
                                                      $4,535,475        $4,560,356
                                                      ==========        ==========
</TABLE>


6.   The following is a summary of inventories at September 30, 1998:

<TABLE>
         <S>                   <C>       
         Raw materials         $1,465,637
         Finished goods            24,661
                               ----------
                               $1,490,298
                               ==========
</TABLE>


7.   For the nine months ended September 30, 1998, one customer in China
     accounted for 49% of the Company's product sales. Such customer represents
     67% of the accounts receivable balance at September 30, 1998. Such
     receivables are currently being paid on time. As of September 30, 1998, the
     Company had $36,000 as an allowance for bad debts.

8.   In April 1998, the Company sold 661,157 shares of Series C preferred stock
     at $6.05 per share and received $3,712,000 in net proceeds from the
     offering. The preferred stock is convertible into common stock at any time
     over the next five years at prices based on the market price of the common
     stock during a pricing period preceding conversion. During the third
     quarter ended September 30, 1998, 91,049 shares of Series C preferred stock
     were converted into 467,969 shares of common stock. Through November 13,
     1998, an additional 274,513 shares of Series C preferred stock were
     converted into 1,366,350 shares of common stock. In conjunction with the
     offering, the Company granted to the investors warrants to purchase 100,000
     shares of common stock. These warrants are exercisable during the five-year
     period ending March 2003 at an exercise price of $5.67 per share. In the
     second quarter ended June 30, 1998, the Company recognized a deemed
     dividend in the amount of $3,143,000 in connection with the issuance of the
     Series C preferred stock. This amount increased the net loss and net loss
     per share attributable to common shareholders and was calculated as
     required by the SEC.



                                       7
<PAGE>   8


 9.  In September 1998, the Company closed an agreement with Sclavo S.p.A.
     ("Sclavo"), an international pharmaceutical company, to acquire Sclavo's
     marketing approval for ZADAXIN thymosin alpha 1 in Italy as an influenza
     vaccine adjuvant, a marketing application in Italy for use of ZADAXIN to
     treat non-small cell lung cancer, as well as all of Sclavo's development
     and marketing rights to ZADAXIN in Italy, Spain and Portugal. The purchase
     price consisted of $296,875 in cash, 375,000 shares of the Company's common
     stock, and warrants to purchase 375,000 shares of common stock at an
     exercise price of $4.125 per share. In connection with this agreement, the
     Company has estimated the value of these rights to be $1,401,000, which
     have been capitalized as other assets in the third quarter ended September
     30, 1998.

10.  In June 1998, the Company entered into an agreement with an institutional
     investor for an equity line which allows the Company to access up to $32
     million through sales of its common stock over a two-year period, subject
     to certain limitations. The decision to draw any funds and the timing for
     any such draw is solely at the Company's discretion. The Company is not
     obligated to draw any minimum amount under the equity line. The agreement
     provides that the Company, at its option, can obtain up to $4,000,000 per
     quarter for two years through sales of its common stock. Should the Company
     elect to draw upon the equity line, any shares sold will be at a 3%
     discount to the average sale price of the Company's common stock over a
     specified period of time prior to the date of each sale. As a commitment
     fee to the investor, the Company issued a five-year warrant to purchase
     200,000 shares of its common stock at an exercise price of $5.53 per share.
     Up to 300,000 additional warrants to purchase common stock at no less than
     $5.53 per share will be issued to the investor based upon the number of
     shares of common stock purchased by the investor each calendar year during
     the term of the financing. Draws under the equity line are subject to the
     satisfaction of certain conditions, including registration of the
     investor's resale of the shares, a minimum trading price per share, volume
     limitations, and limitations on the number of shares of the Company's
     common stock the investor may hold at any point in time. Unless the Company
     and the investor agree otherwise, the facility is not available when the
     Company's stock is trading at less than $1.50 per share. Further the amount
     available under the line is subject to a formula and the amount available
     in any quarter could be minimal. No assurances can be given that the
     Company will be able to obtain necessary funds under the equity line when
     and if it desires to do so.

11.  In July 1998, the Company and Alpha 1 Biomedicals, Inc. ("A1B") closed an
     Asset Purchase Agreement pursuant to which the Company acquired A1B's
     worldwide rights to ZADAXIN and eliminated the Company's and its current
     and future sublicensee's royalty obligations to A1B with respect to future
     sales of thymosin alpha 1. This agreement was approved by A1B's
     stockholders at A1B's 1988 Annual Meeting of Stockholders in July 1998. In
     accordance with the agreement, the Company has issued to A1B 549,703 shares
     of common stock (444,115 shares issued in July 1998 and 105,588 shares
     issued in October 1998) and loaned to A1B $210,000 in exchange for the
     assets described above. The Company may be required to issue to A1B an
     additional 50,297 shares under the agreement. In connection with this
     agreement, the Company has estimated the value of these rights to be
     $708,000, which have been capitalized as other assets and has also
     recognized a special research and development charge of $708,000 during the
     third quarter ended September 30, 1998.



                                       8
<PAGE>   9


ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS

     The following material contains forward-looking statements within the
meaning of Section 27A of the Securities Act and Section 21E of the Securities
Exchange Act. Such forward-looking statements include those which management has
identified with an asterisk (*). Such forward-looking statements are subject to
risks and uncertainties, including those identified in Factors That May Affect
Future Operating Results elsewhere herein and in the Company's Annual Report on
Securities and Exchange Commission Form 10-K for the year ended December 31,
1997. These risks and uncertainties include (i) the Company's current reliance
on a single product, ZADAXIN(R) thymosin alpha 1, for its revenues, (ii) the
absence of regulatory approval for ZADAXIN in major pharmaceutical markets,
(iii) the expensive, time consuming and uncertain regulatory approval process,
(iv) risks associated with the manufacture and supply of ZADAXIN, (v)
competition from competing therapies, (vi) market acceptance of the Company's
products, (vii) uncertainties regarding the outcome of the Company's efforts to
develop and commercialize additional products, including CPX and (viii) the need
for additional funds and a strategic partner for the commencement of additional
trials for ZADAXIN and CPX, as well as other risks and uncertainties described
herein and in the Company's other reports filed with the Securities and Exchange
Commission.

     The Company is a global biopharmaceutical company that acquires, develops
and commercializes specialist-oriented drugs for treating chronic and
life-threatening diseases such as hepatitis B, hepatitis C, cancer, immune
system disorders and cystic fibrosis. Currently, the Company has two drugs in
clinical development, ZADAXIN for hepatitis B, hepatitis C, cancer and immune
system disorders, and CPX for cystic fibrosis. The Company also has other drug
candidates in preclinical development. To date, the Company's principal focus
has been the development and commercialization of ZADAXIN for hepatitis B and
hepatitis C and the development of CPX for cystic fibrosis.

     From commencement of operations through September 30, 1998, the Company
incurred a cumulative net loss of approximately $101.4 million. The Company
expects its operating expenses to increase over the next several years as it
expands its research and development, clinical testing and marketing
capabilities.* The Company's ability to achieve profitable operations is
primarily dependent on increasing ZADAXIN sales in approved markets, securing
regulatory approvals for ZADAXIN in additional countries and successfully
launching ZADAXIN, if approved, in such countries. In addition, other factors
may also impact the Company's ability to achieve a profitable level of
operations such as spending associated with successful development of ZADAXIN
and CPX in major pharmaceutical markets, acquiring rights to additional drugs,
and entering into and extending agreements for product development and
commercialization, where appropriate. There can be no assurance that the Company
will be able to attain these objectives or that the Company will ever achieve a
profitable level of operations.

     The Company's operating results may fluctuate from period to period as a
result of, among other things, market acceptance of ZADAXIN, the timing and
costs associated with preclinical and clinical development of the Company's
products, the regulatory approval process, and the acquisition of additional
product rights. The Company participates in a highly dynamic industry, which
often results in significant volatility of the Company's common stock price.
Setbacks in the launch, sale or distribution of ZADAXIN, preclinical and
clinical development of the Company's products, the regulatory approval process
or relationships with collaborative partners, and any shortfalls in revenue or
earnings from levels expected by securities analysts, among other developments,
have in the past had and could in the future have an immediate and significant
adverse effect on the trading price of the Company's common stock in any given
period.



                                       9
<PAGE>   10


RESULTS OF OPERATIONS

     Total revenue was approximately $1,006,000 and $2,461,000 for the
three-month and nine-month periods ended September 30, 1998, respectively as
compared to approximately $673,000 and $1,967,000 for the corresponding periods
in 1997. For the nine months ended September 30, 1998, $2,361,000 of total
revenue was derived from ZADAXIN product sales and $100,000 from a research
grant from the U.S. Food and Drug Administration. For the three months ended
September 30, 1998, all of the $1,006,000 total revenue was related to ZADAXIN
product sales. Currently, ZADAXIN has been approved for marketing in Argentina,
Italy, Kuwait, Myanmar, the People's Republic of China, Peru, the Philippines
and Singapore. For the three months ended September 30, 1998, one customer in
China accounted for 49% of the Company's product sales. Such customer represents
67% of the accounts receivable balance at September 30, 1998. The Company's
accounts receivable collections in China are currently approximately 150 days
and have been trending downward. At September 30, 1998, the Company had
allowances for bad debts of $36,000. The Company has filed for approval to
market ZADAXIN in several countries and anticipates additional filings in other
countries.* As a result, the Company expects product revenue to continue to
increase in 1998 and beyond, upon the commencement of the commercial launch of
ZADAXIN in additional markets once regulatory approvals are secured.* The level
of such product revenue increase, if any, is dependent upon increased ZADAXIN
market penetration in the Company's existing approved markets, additional
ZADAXIN marketing approvals and the successful launch of ZADAXIN in new markets.
Although the Company remains optimistic regarding the prospects of ZADAXIN,
there can be no assurance that the Company will ever achieve significant levels
of product revenue, receive additional ZADAXIN market approvals, or achieve a
profitable level of operations.

     Cost of sales was approximately $253,000 and $681,000 for the three-month
periods and nine-month periods ended September 30, 1998, respectively as
compared to approximately $264,000 and $788,000 for the corresponding periods in
1997. The decrease is attributable to decreased payroll costs, professional
services and travel expenses. The Company expects cost of sales to vary from
quarter to quarter, dependent upon the level of product revenue, the absorption
of fixed product-related costs, and any charges associated with excess or
expiring finished product.

     Research and development expenses were approximately $2,840,000 and
$7,203,000 for the three-month periods and nine-month periods ended September
30, 1998, respectively as compared to approximately $2,384,000 and $6,469,000
for the corresponding periods in 1997. The increase in the three-month and
nine-month periods are primarily attributable to the acquisition of additional
rights to ZADAXIN and increased clinical trial expenses partially offset by
decreased payroll costs, professional services and travel expenses. In July and
September 1998, the Company completed the acquisition of worldwide rights to
ZADAXIN by closing transactions with Alpha 1 Biomedicals, Inc. and Sclavo
S.p.A., respectively, consisting of $1,885,000 related to the issuance of common
stock to the two parties as well as $197,000 in cash. In connection with these
agreements, the Company has estimated the value of these rights to be $1,374,000
which have been capitalized as other assets and has also recognized a one-time
special research and development charge of $708,000 during the third quarter
ended September 30, 1998. The Company started its CPX Phase 2 clinical trial in
U.S. in September. The Company is pursuing a corporate partnering arrangement
with a major pharmaceutical company for development in the U.S. and Europe of a
combination therapy for hepatitis C including ZADAXIN plus interferon.* The
initiation and continuation of these programs by the Company had and will
continue to



                                       10
<PAGE>   11


have a significant effect on the Company's research and development expenses in
the future and will require the Company to seek additional capital resources.*
In general, the Company expects product research and development expenses to
increase over the next several years and to vary quarter to quarter as the
Company pursues its strategy of initiating additional clinical trials and
testing, entering into one or more corporate partnering arrangements, acquiring
product rights, and expanding regulatory activities.*

     Marketing expenses were approximately $1,307,000 and $3,862,000 for the
three-month periods and nine-month periods ended September 30, 1998,
respectively as compared to approximately $1,017,000 and $2,997,000 for the
corresponding periods in 1997. The increase relates to increased payroll costs,
and expenses for travel and promotional materials associated with the expansion
in the Company's existing markets offset by decreased conference and seminar
costs. The Company expects marketing expenses to increase in the next several
quarters and years as it anticipates expanding its commercialization and
marketing efforts and pursuing other strategic relationships.*

     General and administrative expenses were approximately $926,000 and
$2,774,000 for the three-month periods and nine-month periods ended September
30, 1998, respectively as compared to approximately $884,000 and $2,650,000 for
the corresponding periods in 1997. The increase is attributable to increased
general office and travel expenses and fees for professional services, offset by
decreased payroll costs. In the near term, the Company expects general and
administrative expenses to vary quarter to quarter as the Company augments its
general and administrative activities and resources to support increased
expenditures on clinical trials and testing, and regulatory,
pre-commercialization and marketing activities.*

     Net interest and investment income was approximately $132,000 and $480,000
for the three-month periods and nine-month periods ended September 30, 1998,
respectively as compared to approximately $359,000 and $1,205,000 for the
corresponding periods in 1997. The decrease primarily resulted from decreased
interest and investment income due to lower average invested cash balances.

LIQUIDITY AND CAPITAL RESOURCES

     At September 30, 1998, the Company had approximately $6,919,000 in cash,
cash equivalents and liquid short and long-term investments.

     Net cash used by the Company in operating activities amounted to
approximately $11,766,000 for the nine-month period ended September 30, 1998.
Net cash used in operating activities in the 1998 period is less than the
Company's net loss attributable to common shareholders for such period due to
non-cash charges associated with depreciation and amortization, a deemed
dividend on issuance of preferred stock and acquisition of product rights as
well as decreases in inventory and increases in amount owed to third parties for
clinical trials and professional fees. These were partially offset by increases
in account receivable, prepayments of certain future expenses and payments to
employees for compensation and benefits. Net cash used by the Company in
operating activities amounted to approximately $10,572,000 for the nine-month
period ended September 30, 1997. Net cash used in operating activities in the
1997 period is greater than the Company's net loss for such period primarily due
to increases in accounts receivable associated with sales from the Company's
launch of ZADAXIN in its approved markets and increases in payments to third
parties for goods and services. These uses of cash were offset by non-cash
charges



                                       11
<PAGE>   12


associated with depreciation and amortization, decreases in prepayments of
certain future periods expenses, and increases in amounts owed to third parties
for clinical trials.

     Net cash provided by investing activities amounted to approximately
$4,499,000 for the nine-month period ended September 30, 1998 related to the net
sale of approximately $4,576,000 of marketable securities offset by the purchase
of approximately $77,000 in equipment and furniture. Net cash provided by
investing activities amounted to approximately $18,143,000 for the nine-month
period ended September 30, 1997 related to the net sale of approximately
$18,347,000 of marketable securities offset by the purchase of $203,000 in
equipment and furniture.

     Net cash provided by financing activities for the nine-month period ending
September 30, 1998 amounted to approximately $6,006,000, consisting of the
following: a partial repayment of $750,000 on a note receivable from the
Company's President and Chief Executive Officer; approximately $3,957,000 in net
proceeds received from the issuance of Series C preferred stock and warrants;
approximately $342,000 in deemed net proceeds from the issuance of warrants
under the Company's equity line; $735,000 indeemed net proceeds from the
issuance of warrants under the Sclavo agreement; and $222,000 in net proceeds
from issuance of common stock under the Company's stock option plan and employee
stock purchase plan. Net cash provided by financing activities for the
nine-month period ending September 30, 1997 primarily consisted of approximately
$1,099,000 in proceeds received from the issuance of common stock from the
exercise of outstanding warrants and under the Company's stock option plan,
offset by repurchases of the Company's common stock under the Company's approved
stock repurchase plan of approximately $4,267,000 and amounts loaned to Mr.
Thomas E. Moore, a former officer, of approximately $5,944,000. In July 1997,
the Company loaned Thomas E. Moore, former Chairman, Chief Executive Officer and
one of the founders of the Company, $5,944,000 secured by approximately 1.9
million shares of SciClone common stock owned by Mr. Moore. In connection with
this transaction, Mr. Moore resigned from the Company. The loan carries interest
at 7% and is payable on demand. During the period Mr. Moore's loan is
outstanding and immediately prior to the closing of any offering of the
Company's common stock, the Company may convert the loan in a non-cash exchange
into Mr. Moore's SciClone common stock by retiring his common stock at a fixed
discount rate from the offering price. To date, the Company has not retired any
of Mr. Moore's SciClone common stock. This loan has been classified as an offset
to shareholders' equity. Because the market value of this underlying collateral
is currently below the face value of the note, there is the potential that if
this value is viewed as more than temporary, the book value of the note would
have to be written down through a non-cash charge to operations to the
underlying value of the collateral. As of September 30, 1998, the underlying
value of the collateral was approximately $3,407,000, resulting in a potential
impairment of approximately $2,537,000. Under all circumstances, including any
potential impairment, Mr. Moore is obligated to repay the entire balance of the
loan plus accrued interest. The Company is monitoring this matter and will
review it thoroughly as of the fiscal year-end and may be required to make such
an adjustment for the quarter ended December 31, 1998.
        
     Management believes its existing capital resources and interest on funds
available are adequate to maintain its current and planned operations at least
through June 1999.* In April 1998, the Company concluded an offering of Series C
preferred stock with net proceeds of $3,712,000. In June 1998, the Company
entered into an agreement with an institutional investor for an equity line,
which allows the Company to access up to $32 million through sales of its common
stock over a two-year period, subject to certain limitations, including
registration of the investor's resale of the shares, minimum trading price per
share, volume limitations and limitations on the number of shares of the
Company's common stock the investor may hold at any point in time. Unless the
Company and the investor agree otherwise, the facility is not available when the
Company's stock is



                                       12
<PAGE>   13


trading at less than $1.50 per share. Further the amount available under the
line is subject to a formula and the amount available in any quarter could be
minimal. No assurances can be given that the Company will be able to obtain
funds from the equity line when and if it desires to do so. The Company is
pursuing corporate partnering and other opportunities to increase its capital
resources.* If one or more of such other opportunities occurred, the Company
would consider accelerating drug development activities, including clinical
trials.* However, the Company's capital requirements may change depending upon
numerous factors, including the level of ZADAXIN product sales, the availability
of complementary products, technologies and businesses, the initiation of
preclinical and clinical trials and testing, the timing of regulatory approvals,
developments in relationships with existing or future collaborative partners and
the status of competitive products. If the Company cannot eventually generate
sufficient funds from operations or its equity line, it will need to raise
additional private financing in the near future. There can be no assurance that
such financing will be available on acceptable terms and on a timely basis, if
at all.

IMPACT OF THE YEAR 2000

     As is true for most companies, the Year 2000 computer issue creates a risk
for the Company. If systems do not correctly recognize date information when the
year changes to 2000, there could be an adverse impact on the Company's
operations. The risk for the Company exists in the following areas: systems used
by the Company to run its business and systems used by the Company's vendors.
The Company is currently evaluating its exposure in both of these areas.

     The Company has reviewed its current systems and has been evaluating
whether it is appropriate to replace or upgrade systems that are known to be
Year 2000 non-compliant. For those areas which have been identified as Year 2000
non-compliant, the cost to upgrade or replace is not expected to be material to
the Company's operating results.

     The Company is in the process of contacting its critical vendors to
determine that the vendors' operations and the products and services they
provide are Year 2000 compliant. To varying degrees, the Company is dependent
upon a large number of third parties that provide information, goods and
services to the Company. These include financial institutions, suppliers,
vendors, research partners and governmental entities. If significant numbers of
these third parties experience failures in their computer systems or equipment
due to Year 2000 non-compliance, it could affect the Company's ability to
process transactions, manufacture products or engage in similar normal business
activities. While some of these risks are outside the control of the Company,
the Company has instituted programs, including internal records review and use
of external questionnaires to identify key third parties, assess their level of
Year 2000 compliance, update contracts and address any non-compliance issues.

     The total costs related to Year 2000 compliance cannot be known precisely
at this time but it is not expected to be material to the Company's financial
position, results of operations or cash flows.

FACTORS THAT MAY AFFECT FUTURE OPERATING RESULTS

     Dependence on ZADAXIN and CPX. The Company's principal drug development
efforts are currently focused primarily on ZADAXIN and CPX. Clinical trials of
ZADAXIN sponsored by the Company and/or other parties are currently in progress
or planned and



                                       13
<PAGE>   14


favorable results from such trials will be necessary to gain regulatory approval
in major pharmaceutical markets. Sales of ZADAXIN commenced in 1997. While
ZADAXIN has been approved for commercial sale for treatment of hepatitis B in
the People's Republic of China, Kuwait, Myanmar, Peru, the Philippines and
Singapore and for hepatitis C in the Philippines, no assurance can be given that
ZADAXIN approvals will be obtained in additional countries or for the treatment
of additional indications, such as hepatitis C or cancer, in a timely fashion or
at all. The Company's launch of ZADAXIN in the People's Republic of China, the
Philippines and Singapore is the first commercial introduction of ZADAXIN by the
Company, and no assurance can be given that commercialization of ZADAXIN will
prove successful. The Company has not yet launched ZADAXIN in Argentina, Italy,
Kuwait, Myanmar, or Peru and no assurance can be given that future launches of
ZADAXIN will prove successful in these countries or in any additional countries.
Future sales of ZADAXIN will depend on market acceptance and successful
distribution. In particular, although the People's Republic of China has the
highest hepatitis B prevalence rate in the world, the low average income and
poorly developed distribution infrastructure present ongoing challenges to
successful commercialization of ZADAXIN in that market. Because the Company
currently relies on ZADAXIN as its sole source of revenue, the failure to
demonstrate the drug's efficacy in future clinical trials, obtain additional
marketing approvals or commercialize the drug successfully would have a material
adverse effect on the Company.

     The Company may experience delays and encounter difficulties in clinical
trials of CPX. In addition, there can be no assurance that any clinical trial
will provide statistically significant evidence of the efficacy of CPX in
treating cystic fibrosis ("CF"). A failure to demonstrate the safety and
efficacy of CPX in a CF clinical trial, obtain regulatory approval of CPX for CF
or successfully commercialize CPX could have a material adverse effect on the
Company.

     No History of Significant Revenues; Continuing Operating Losses. The
Company has only recently generated revenues from the commercialization of its
lead product, ZADAXIN, and there is substantial uncertainty regarding the timing
and amount of any future revenues and whether such future revenues will be
material. The Company cannot predict when or if marketing approvals for CPX will
be obtained or additional marketing approvals for ZADAXIN will be obtained. Even
if such approvals are obtained, there can be no assurance that ZADAXIN and CPX
will be commercialized successfully. The Company has experienced significant
operating losses since its inception and has a substantial accumulated deficit.
The Company expects its operating expenses to increase over the next several
years as it expands its development, clinical testing and marketing
capabilities. The Company's ability to achieve a profitable level of operations
is dependent in large part on successful expansion of the market for ZADAXIN in
Asia, Latin America and the Middle East, obtaining additional regulatory
approvals for ZADAXIN and/or future products, entering into a corporate
partnering arrangement for development in the U.S. and Europe of a combination
therapy for hepatitis C including ZADAXIN plus interferon, entering into other
agreements for product development and commercialization, where appropriate, and
continuing to expand from development into successful marketing. There can be no
assurance that the Company will ever achieve a profitable level of operations.

     Future Capital Needs; Uncertainty of Additional Financing. Since inception,
the Company has financed its operations primarily through sales of equity
securities. The Company will need to obtain additional financing through sales
of equity securities to support its long-term product development and
commercialization programs. The Company



                                       14
<PAGE>   15


believes its existing capital resources and interest on funds available are
adequate to maintain its current and planned operations at least through June
1999.* The Company is considering corporate partnering, a private placement of
equity securities, the sale of equity securities under its equity line and other
opportunities to increase its capital resources. However, the Company's future
capital requirements will depend on many factors, including the level of ZADAXIN
product sales, the availability of complementary products, technologies and
businesses, the initiation of preclinical and clinical trials and testing, the
timing and cost of regulatory approvals, patent costs, competing technological
and market developments, the nature of existing and future collaborative
relationships, and the Company's ability to establish development, sales,
manufacturing and marketing arrangements. If additional funds are raised by the
Company through the issuance of equity securities or securities convertible into
or exercisable for equity securities, the percentage ownership of the then
current shareholders of the Company will be reduced. The Company may issue a
series of Preferred Stock with rights, preferences and privileges senior to
those of the Company's Common Stock. There can be no assurance that such
financing will be available on acceptable terms or a timely basis, if at all.
The unavailability or timing of financing could prevent or delay the Company's
long-term product development and commercialization programs and may require
curtailment of operations of the Company. The Company has negotiated an equity
line financing (see note 10 to financial statements). Unless the Company and the
investor agree otherwise, the facility is not available when the Company's stock
is trading at less than $1.50 per share. Further the amount available under the
line is subject to a formula and the amount available in any quarter could be
minimal.

     Potential Impairment of Note Receivable from Former Chairman/CEO. On July
23, 1997, the Company loaned to Thomas E. Moore, its former Chairman/CEO,
$5,944,000 in exchange for a promise to repay the loan on demand and the pledge
of 1,882,500 shares of SciClone Common Stock owned by Mr. Moore. Because the
market value of this underlying collateral is currently below the face value of
the note, there is the potential that if this value is viewed as more than
temporary, the book value of the note would have to be written down through a
non-cash charge to operations to the underlying value of the collateral. As of
September 30, 1998, the underlying value of the collateral was approximately
$3,407,000, resulting in a potential impairment of approximately $2,537,000.
Under all circumstances, including any potential impairment, Mr. Moore is
obligated to repay the entire balance of the loan plus accrued interest. The
Company is monitoring this matter and will review it thoroughly as of the fiscal
year-end and may be required to make such an adjustment for the quarter ended
December 31, 1998.

     Dilution; Shares eligible for Future Sale. Pursuant to the equity line, the
Company may issue to an institutional investor up to $4.0 million of Common
Stock during its each of eight consecutive three-month investment periods (or
$32 million in the aggregate) at a price equal to 97% of the lowest reported
sale price during the four days immediately preceding the date on which the
notice of purchase delivered by the investor to the Company. Issuances, if any,
of Common Stock pursuant to the equity line would have a dilutive effect on
existing holders of Common Stock. In connection with the equity line, the
Company also issued to the institutional investor the Warrant to purchase
200,000 shares of Common Stock at $5.53 per share and may issue warrants to
purchase up to an additional 300,000 shares of Common Stock at a price equal to
150% of weighted average purchase price of the Common Stock purchased during the
year with respect to which the additional warrant is issued. The resale by the
investor of the Common Stock that it acquires could depress the market price of
the Common Stock. Moreover, as all the shares to be issued pursuant to the
equity line as well as the shares issuable upon exercise of the warrant and the
additional



                                       15
<PAGE>   16


warrants, if any, will be available for immediate resale, the prospects of such
sales could further adversely affect the market price for the Common Stock. In
April 1998, the Company issued shares of Series C Preferred Stock (the "Series C
Shares") in a private placement with proceeds of $4,000,000 (before deducting
offering expenses). Under certain conditions each Series C Share may convert
into substantially more than one share of the Company's Common Stock. If such
events were to occur, the conversion of the Series C Shares would have a
dilutive effect on the common shareholders.

     Dependence on Third Parties. The Company's strategy contemplates that it
will enter into various collaborative arrangements with other entities. To date,
the Company has acquired rights to ZADAXIN, CPX and certain other drugs but is
only actively pursuing clinical development of ZADAXIN and CPX. Failure to
license or otherwise acquire rights to additional drugs would result in a
shortage of products for development. In addition, the Company has licensed
exclusive rights to develop and market ZADAXIN in Japan to Schering-Plough K.K.
("SPKK"), the Japanese subsidiary of Schering-Plough Corporation. SPKK has a
substantial commitment to alpha interferon, which is an approved therapy for
hepatitis B and hepatitis C in Japan. There can be no assurance that the
relationship will prove successful or that the Company will be able to negotiate
additional arrangements in the future, including a corporate partnering
arrangement for development in the U.S. and Europe of a combination therapy for
hepatitis C including ZADAXIN plus interferon. The amount and timing of
resources that collaborators devote to their activities with the Company will
not be within the control of the Company and may be affected by financial
difficulties or other factors affecting these third parties. There can be no
assurance that such parties will perform their obligations as expected.
Moreover, the Company's ability to obtain regulatory approval in one country may
be delayed or adversely affected by the timing of regulatory activities and
approvals in one or more other countries, particularly if the Company does not
participate in the regulatory approval process in such other countries.

     Foreign Sales and Operations. The Company's financial condition in the near
term will be highly dependent on ZADAXIN sales in foreign jurisdictions, where
sales and operations are subject to inherent risks, including difficulties and
delays in obtaining pricing approvals and reimbursement, unexpected changes in
regulatory requirements, tariffs and other barriers, political instability,
difficulties in staffing and managing foreign operations, longer payment cycles,
greater difficulty in accounts receivable collection, currency fluctuations and
potential adverse tax consequences. Certain foreign countries regulate pricing
of pharmaceuticals and such regulation may result in prices significantly below
those that would prevail in a free market. The majority of the Company's current
sales are to customers in the People's Republic of China.

     Patents and Proprietary Rights. The U.S. and most European composition of
matter patents for thymosin alpha 1 have expired. The Company will in the future
have only limited composition of matter patents for thymosin alpha 1 or other
products and this could adversely affect the Company's proprietary rights.
However, the Company owns or has exclusive licenses for use and/or process
patents or patent applications in the U.S., Europe, Japan and other
jurisdictions for thymosin alpha 1, and for CPX in the U.S. and will seek to
protect such products from competition through such patent protection and
through other means. The Company's success is significantly dependent on its
ability to obtain patent protection for its products and technologies and to
preserve its trade secrets and operate without infringing on the proprietary
rights of third parties. No assurance can be given that the Company's pending
patent applications will result in the issuance of patents or that any patents
will provide competitive advantages or will not be invalidated or circumvented
by its



                                       16
<PAGE>   17


competitors. Moreover, no assurance can be given that patents are not issued to,
or patent applications have not been filed by, other companies which would have
an adverse effect on the Company's ability to use, manufacture or market its
products or maintain its competitive position with respect to its products.
Numerous patents and patent applications relating to thymosin alpha 1 are held
under exclusive license and the breach by the Company of the terms of such
license could result in the loss of the Company's rights to such patents and
patent applications. Other companies obtaining patents claiming products or
processes useful to the Company may bring infringement actions against the
Company and such litigation is typically costly and time-consuming. As a result,
the Company may be required to obtain licenses from others or not be able to
use, manufacture or market its products. Such licenses may not be available on
commercially reasonable terms, if at all.

     The patent positions of biotechnology firms generally are highly uncertain
and involve complex legal and factual questions. No consistent policy has
emerged regarding the validity and scope of claims in biotechnology patents, and
courts have issued varying interpretations in the recent past, and legal
standards concerning validity, scope and interpretations of claims in
biotechnology patents may continue to evolve. Even issued patents may later be
modified or revoked by the U.S. Patent and Trademark Office, the European Patent
Office or the courts in proceedings instituted by third parties. Moreover, the
issuance of a patent in one country does not assure the issuance of a patent
with similar claims in another country and claim interpretation and infringement
laws vary among countries, so the extent of any patent protection is uncertain
and may vary in different countries.

     Pharmaceuticals are not patentable in certain countries in SciClone's
ZADAXIN territory, or have only recently become patentable, and enforcement of
intellectual property rights in many countries in such territory has been
limited or non-existent. Future enforcement of patents and proprietary rights in
many countries in SciClone's ZADAXIN territory can be expected to be problematic
or unpredictable. There can be no assurance that any patents issued or licensed
to the Company will provide it with competitive advantages or will not be
challenged by others. No assurance can be given that holders of patents licensed
to the Company will file, prosecute, extend or maintain their patents in
countries where the Company has rights. Furthermore, there can be no assurance
that others will not independently develop similar products or will not design
around patents issued or licensed to the Company.

     Government Regulation and Product Approvals. The research, preclinical and
clinical development, manufacturing, marketing and sales of pharmaceuticals,
including ZADAXIN, CPX and the Company's other drug candidates, are subject to
extensive regulation by governmental authorities. Products developed by the
Company cannot be marketed commercially in any jurisdiction in which they have
not been approved. The process of obtaining regulatory approvals is lengthy and
requires the expenditure of substantial resources. In some countries where the
Company contemplates marketing ZADAXIN, the regulatory approval process for
drugs not previously approved in countries that have established clinical trial
review procedures is uncertain and this uncertainty may result in delays in
granting regulatory approvals. The Company is currently sponsoring clinical
trials and pursuing regulatory approvals of ZADAXIN in a number of countries and
of CPX in the U.S., but there can be no assurance that the Company will be able
to complete such trials, that such trials, if completed, will fulfill regulatory
approval criteria or that the Company will ultimately obtain approvals in such
countries. Adverse results in the Company's development programs also could
result in the placement of restrictions on the



                                       17
<PAGE>   18


use of ZADAXIN and CPX. The marketing approval for ZADAXIN in Singapore requires
a patient surveillance program to continue study of the drug's safety and
efficacy. Adverse results in such program could result in the placement of
restrictions on the use of ZADAXIN or revocation of the approval in Singapore.
Failure to comply with the applicable U.S. or foreign regulatory requirements
can, among other things, result in Warning Letters, fines, suspensions of
regulatory approvals, product recalls or seizures, operating restrictions,
injunctions and criminal prosecutions. Further, additional government regulation
may be established or imposed which could prevent or delay regulatory approval
of ZADAXIN, CPX or any future products of the Company.

     Manufacturing. The Company has entered into contract manufacturing and
supply agreements to source ZADAXIN and CPX. The Company has experienced delays
of supply of ZADAXIN bulk drug in the past and could do so again in the future.
To be successful, the Company's products must be manufactured in commercial
quantities in compliance with regulatory requirements and at an acceptable cost.
While the Company believes it has and will be able in the future to establish
manufacturing relationships with experienced suppliers capable of meeting the
Company's needs, there can be no assurance that the Company will establish long
term manufacturing relationships with suppliers or that these suppliers will
prove satisfactory. The Company currently has vialing and packaging supply
agreements in effect and has a sufficient supply of finished ZADAXIN for the
near term. The Company has recently changed and upgraded its manufacturing
source of finished ZADAXIN for its international markets, excluding Japan. In
certain countries, this change may require additional regulatory approvals. If
regulatory approvals of such manufacturing change, if required, are not obtained
in a timely fashion, new ZADAXIN marketing approvals may be delayed or sales may
be interrupted until the manufacturing change is approved. Production
interruptions, if they occur, could significantly delay clinical development of
potential products, reduce third party or clinical researcher interest and
support of proposed clinical trials. Such interruptions could also delay
commercialization of the Company's products and impair their competitive
position, which would have a material adverse effect on the business and
financial condition of the Company.

     Marketing and Sales. The Company has established distribution arrangements
with local pharmaceutical distribution companies covering countries in Asia,
Latin America and the Middle East. However, no assurance can be given that any
such distribution arrangements will remain in place or prove successful.

     Technological Change and Competition. Rapid technological development may
result in the Company's products becoming obsolete before they are marketed or
before the Company recovers a significant portion of the related development and
commercialization expenses. Competition in the pharmaceutical field is intense
and the Company expects that competition will increase. The Company's
competitors include major pharmaceutical companies, biotechnology firms and
universities and other research institutions, both in the U.S. and abroad, that
are actively engaged in research and development of products in the therapeutic
areas being pursued by the Company. Many of these companies and institutions
have substantially greater financial, technical, manufacturing, marketing and
human resource capabilities than the Company and extensive experience in
undertaking clinical testing and obtaining regulatory approvals necessary to
market drugs. Principal competitive factors in the pharmaceutical field include
efficacy, safety, price and therapeutic regimen. Where comparable products are
marketed by other companies price is also a competitive factor.



                                       18
<PAGE>   19


     Uncertainty of Third Party Reimbursement; Resources of Patient Populations.
The Company's ability to successfully commercialize its products may depend in
part on the extent to which reimbursement for the cost of such products will be
available from government health administration authorities, private health
insurers and other organizations. Significant uncertainty exists as to the
reimbursement status of new therapeutic products and there can be no assurance
that third party reimbursement will be available for therapeutic products the
Company might develop. In many of the foreign countries in which the Company
intends to operate, reimbursement of ZADAXIN under government or private health
insurance programs will not be available. In the U.S., health care reform is an
area of increasing national attention and a priority of many governmental
officials. Certain reform proposals, if adopted, could impose limitations on the
prices the Company will be able to charge in the U.S. for its products or the
amount of reimbursement for the Company's products from governmental agencies or
third party payors. In many countries where the Company has marketing rights for
ZADAXIN, government resources and per capita income levels may be so low that
the Company's products will be prohibitively expensive for a large percentage of
the population. In such countries, there can be no assurance that the Company
will be successful in marketing its products on economically favorable terms, if
at all.

     Dependence on Qualified Personnel and Key Individuals. Because of the
specialized scientific and international nature of the Company's business, the
Company is highly dependent upon its ability to continue to attract and retain
qualified management, scientific and technical personnel. There is intense
competition for qualified personnel in the areas of the Company's activities,
and there can be no assurance that the Company will be able to continue to
attract and retain the qualified personnel necessary for the development of its
business. In addition, many key responsibilities within the Company have been
assigned to a relatively small number of individuals. Loss of the services of
any of these individuals unless they were promptly replaced could be
significantly detrimental to the Company's development. The Company does not
maintain key person life insurance on the lives of any of its key personnel.

     Product Liability; Absence of Insurance. The Company's business will expose
it to potential product liability risks which are inherent in the testing,
manufacturing, marketing and sale of pharmaceutical products, and there can be
no assurance that product liability claims will not be asserted against the
Company. Product liability insurance for the pharmaceutical products, and there
can be no assurance that product liability claims will not be asserted against
the Company. Product liability insurance for the pharmaceutical industry
generally is expensive to the extent that it is available at all. The Company
has product liability insurance coverage for clinical trials and commercial
sales. However, there can be no assurance that a product liability claim would
not adversely affect the business or financial condition of the Company.

     Preferred Stock. The Company's Board of Directors has the authority to
issue additional series of preferred stock and to determine the price, rights,
preferences, privileges and restrictions, including voting rights, without any
further vote or action by the Company's shareholders. The rights of the holders
of the Common Stock will be subject to, and may be adversely affected by, the
rights of the holders of any Preferred Stock that may be issued in the future.
The issuance of Preferred Stock, while providing desirable flexibility in
connection with possible acquisitions and other corporate purposes, could have
the effect of making it more difficult for a third party to acquire a majority
of the outstanding voting stock of the Company.



                                       19
<PAGE>   20


PART II. OTHER INFORMATION


ITEM 2. CHANGES IN SECURITIES AND USE OF PROCEEDS

     (c)  Recent Sales of Unregistered Securities

     On April 1, 1998, the Company issued and sold 661,157 shares of Series C
Convertible Preferred Stock ("Preferred Stock") at $6.05 per share to three
institutional investors, and received $3,712,000 in net proceeds from the
offering. The Preferred Stock is convertible into Common Stock at any time over
the next five years at prices based on the market price of the Common Stock
during a pricing period preceding conversion. During the third quarter ended
September 30, 1998, 91,049 shares of Series C preferred stock were converted
into 467,969 shares of common stock. Through November 13, 1998, an additional
274,513 shares of Series C preferred stock were converted into 1,366,350 shares
of common stock. In conjunction with the offering, the Company granted to the
investors and the Company's placement agent warrants to purchase a total of
150,000 shares of common stock. These warrants are exercisable during the
five-year period ending March 2003 at an exercise price of $5.67 per share. Such
securities were not registered under the Securities Act of 1933, as amended (the
"Act") in reliance upon the exemptions provided by Section 4(2) of the Act
and/or Regulation D promulgated thereunder as a transaction by an issuer not
involving a public offering.

     On July 28, 1998, the Company issued 414,115 shares of common stock valued
at $3.19 per share to Alpha 1 Biomedicals, Inc. ("A1B") for an Asset Purchase
Agreement pursuant to which the Company acquired A1B's worldwide rights to
ZADAXIN and eliminated the Company's and its current and future sublicensee's
royalty obligations to A1B with respect to future sales of thymosin alpha 1. On
October 28, 1998, the Company issued an additional 105,888 shares of common
stock valued at $1.28 per share to A1B in connection with this agreement.

     On September 8, 1998, the Company issued 375,000 shares of common stock
valued at $1.25 per share and paid $196,875 in cash to Sclavo S.p.A. ("Sclavo")
to acquire its marketing approval for ZADAXIN in Italy as an influenza vaccine
adjuvant, a marketing application for use of ZADAXIN to treat non-small cell
lung cancer, as well as all of Sclavo's development and marketing rights to
ZADAXIN in Italy, Spain and Portugal. In conjunction with the agreement, the
Company also granted Sclavo warrants to purchase 375,000 shares of common stock.
These warrants are exercisable during the five-year period ending June 29, 2003
at an exercise price of $4.125 per share.

     Such securities were not registered under the Act in reliance upon the
exemptions provided by Section 4(2) of the Act and/or Regulation D promulgated
thereunder as a transaction by an issuer not involving a public offering.



                                       20
<PAGE>   21


<TABLE>
<CAPTION>
ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K
     <S>            <C>
     (a)  Exhibits

          3(i).1    Restated Articles of Incorporation (incorporated by
                    reference from the Company's Registration Statement on Form
                    S-1 (No. 33-45446), declared effective by the Commission on
                    March 17, 1992).

          3(i).2    Certificate of Amendment of Restated Articles of
                    Incorporation (incorporated by reference from the Company's
                    Registration Statement on Form S-8 (No. 33-66832) filed with
                    the Commission on August 3, 1993).

          3(i).3    Certificate of Determination (incorporated by reference from
                    the Company's Current Report on Form 8-K filed on October
                    14, 1997).

          3(i).4    Certificate of Determination Regarding the terms of the
                    Series C Preferred Stock. (incorporated by reference from
                    the Company's Annual Report on Form 10-K for the year
                    ended December 31, 1997).

          3(ii).1   Bylaws (incorporated by reference from the Company's
                    Registration Statement on Form S-1 (No. 33-45446), declared
                    effective by the Commission on March 17, 1992).

          3(ii).2   Certificate of Amendment of Bylaws (incorporated by
                    reference from the Company's Registration Statement on Form
                    S-8 (No. 33-66832) filed with the Commission on August 3,
                    1993).

          4.2       Rights Agreement, dated as of July 25, 1997,between SciClone
                    and ChaseMellon Shareholder Services, LLC. (incorporated by
                    reference to the Company's Current Report on Form 8-K filed
                    on October 14, 1997).

          4.3       Preferred Stock Investment Agreement dated as of March 27,
                    1998 by and among Registrant, Halifax Fund, L.P., Themis
                    Partners L.P. and Heracles Fund. (incorporated by reference
                    from the Company's Annual Report on Form 10-K for the year
                    ended December 31, 1997).

          4.4       Registration Rights Agreement dated April 1, 1998 by and
                    among Registrant, Halifax Fund, L.P., Themis Partners L.P.
                    and Heracles Fund. (incorporated by reference from the
                    Company's Annual Report on Form 10-K for the year ended
                    December 31, 1997).

          10.28     Acquisition Agreement between the Company and Sclavo S.p.A.
                    dated April 20,1998. 

          10.29     First Amendment to Acquisition Agreement between the
                    Company and Sclavo S.p.A., dated April 20, 1998.

          10.30     Stock Purchase Warrant dated September 3, 1998. 

          27        Financial Data Schedule

     (b)  Reports on Form 8-K

          None
</TABLE>



                                       21
<PAGE>   22


                                   SIGNATURES


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


                                      SCICLONE PHARMACEUTICALS, INC.
                                                (Registrant)


Date: November 16, 1998               /s/ Donald R. Sellers
                                      ----------------------------------------
                                      Donald R. Sellers
                                      Chief Executive Officer
                                      (Principal Executive Officer)


Date: November 16, 1998               /s/ Diane Lee
                                      ----------------------------------------
                                      Diane Lee
                                      Director, Corporate Finance and
                                      Administration
                                      (Principal Financial & Accounting Officer)







                                       22
<PAGE>   23


                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
EXHIBIT
NUMBER    DESCRIPTION
- - -------   -----------
<S>       <C>
3(i).1    Restated Articles of Incorporation (incorporated by
          reference from the Company's Registration Statement on Form
          S-1 (No. 33-45446), declared effective by the Commission on
          March 17, 1992).

3(i).2    Certificate of Amendment of Restated Articles of
          Incorporation (incorporated by reference from the Company's
          Registration Statement on Form S-8 (No. 33-66832) filed with
          the Commission on August 3, 1993).

3(i).3    Certificate of Determination (incorporated by reference from
          the Company's Current Report on Form 8-K filed on October
          14, 1997).

3(i).4    Certificate of Determination Regarding the terms of the
          Series C Preferred Stock (incorporated by reference from
          the Company's Annual Report on Form 10-K for the year ended December
          31, 1997).

3(ii).1   Bylaws (incorporated by reference from the Company's
          Registration Statement on Form S-1 (No. 33-45446), declared
          effective by the Commission on March 17, 1992).

3(ii).2   Certificate of Amendment of Bylaws (incorporated by
          reference from the Company's Registration Statement on Form
          S-8 (No. 33-66832) filed with the Commission on August 3,
          1993).

4.2       Rights Agreement, dated as of July 25, 1997,between SciClone
          and ChaseMellon Shareholder Services, LLC. (incorporated by
          reference to the Company's Current Report on Form 8-K filed
          on October 14, 1997).

4.3       Preferred Stock Investment Agreement dated as of March 27,
          1998 by and among Registrant, Halifax Fund, L.P., Themis
          Partners L.P. and Heracles Fund. (incorporated by reference
          from the Company's Annual Report on Form 10-K for the year
          ended December 31, 1997).

4.4       Registration Rights Agreement dated April 1, 1998 by and among
          Registrant, Halifax Fund, L.P., Themis Partners L.P. and
          Heracles Fund. (incorporated by reference from the
          Company's Annual Report on Form 10-K for the year ended
          December 31, 1997).

10.28     Acquisition Agreement between the Company and Sclavo S.p.A.
          dated April 20,1998.

10.29     First Amendment to Acquisition Agreement between the Company and
          Sclavo S.p.A., dated April 20, 1998.

10.30     Stock Purchase Warrant dated September 3, 1998. 

27        Financial Data Schedule
</TABLE>



                                       23

<PAGE>   1
                                                                  EXHIBIT 10.28













                              ACQUISITION AGREEMENT

                                     Between

                         SCICLONE PHARMACEUTICALS, INC.

                                       and

                                  SCLAVO S.P.A.


<PAGE>   2
                              ACQUISITION AGREEMENT


         This Agreement is dated as of _____________, 1998 (the "Effective
Date"), and is made between SciClone Pharmaceuticals, Inc., a California
corporation, having its registered office at 901 Mariner's Island Blvd., San
Mateo, CA 94404 ("SciClone"), and Sclavo S.p.A., an Italian company, with a
registered office located at Via Florentina, 1, 53100 Siena, Italy ("Sclavo").
SciClone and Sclavo are hereinafter collectively called the "Parties", or
individually called a "Party".

                                    RECITALS

         A. SciClone Pharmaceuticals International Ltd. ("SPIL"), is a wholly
owned subsidiary of SciClone, with a registered office at Room 3705, Windsor
House, 311 Gloucester Road, Causeway Bay, Hong Kong. SPIL and Sclavo entered
into a Manufacturing Services Agreement dated July 27, 1993 (the "Manufacturing
Agreement").

         B. SciClone and Sclavo entered into a License Agreement dated April 21,
1997 (the "License Agreement"), pursuant to which SciClone granted certain
license rights to Sclavo with respect to Thymosin alpha 1 ("TA-1") in the
Territory (hereinafter defined).

         C. The Parties have determined that it is mutually desirable for
SciClone to purchase and acquire from Sclavo all of Sclavo's rights with respect
to (i) the License Agreement and the Manufacturing Agreement and to terminate
said agreements, and (ii) the Licensed Products (hereinafter defined), in
accordance with the terms of this Agreement. The Parties have also determined it
is mutually desirable for the Parties to enter into a distributorship agreement,
pursuant to which Sclavo would be granted certain distribution rights in Italy
for the Licensed Products.

         NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants set forth, SciClone and Sclavo agree as follows:


                                    ARTICLE I

                                   Definitions

         The following terms, as used in this Agreement, shall have the meanings
set forth in this Article:

                  "Adverse Event" shall mean any event that is reported to the
Commission, the FDA, a Notified Body, or a Competent Authority with respect to
the Licensed Products.

                  "Affiliate" shall mean, with respect to a Party to this
Agreement, either a "societa collegata" and a "societa controllata" under
Italian laws, as well as any natural person having control of that Party under
Italian law. "Affiliate shall also mean (i) any entity directly or 


                                      -1-
<PAGE>   3

indirectly controlling, controlled by or under common control with another
entity, (ii) any person or entity owning or controlling fifty percent (50%) or
more of the outstanding voting securities of an entity, or (iii) any officer,
director or partner of an entity. "Control" shall mean the possession of the
power to direct or cause the direction of the management and the policies of an
entity, whether through the ownership of a majority of the outstanding voting
securities or by contract or otherwise.

                  "AIC Purchase and Sale Agreement" means the purchase and sale
agreement between Sclavo and SciClone, with respect to the AIC governmental
approvals, as referenced on Schedule 1 attached hereto, which agreement is to be
submitted to the Ministry of Health of Italy, and pursuant to which agreement a
specified portion of the Cash Price is to be paid by SciClone to Sclavo.

                  "Applicable Laws" shall mean all applicable laws, rules,
regulations, standards or guidelines established within the Licensed Territory
that may apply to the Licensed Products or the performance of Sclavo's past or
present obligations with respect to the Licensed Products. Any reference in this
Agreement to any provision of Applicable Laws shall be construed as a reference
to that provision as amended, re-enacted or extended at the relevant time.

                  "Approvals" shall mean the Specified Approvals, together with
any and all other existing authorizations, permits, licenses, including sales
and manufacturing licenses, AIC (e.g., "Autorizzazione all'immissione in
commercio"), registrations, free sale certificates, marketing authorization,
reservations, also in the form of negative approvals ("silenzio assenso"), and
in general all similar authorization measures or governmental approvals, from
any Competent Authority in the Licensed Territory necessary for the development,
manufacturing, testing and/or marketing (and ancillary activities) of the
Licensed Products and to which Sclavo has rights.

                  "Cash Price" shall mean one million dollars in currency of the
United States of America (US$1,000,000), as further defined in Section 5.1
hereof.

                  "Clinical Trials" shall mean all agreements, data, filings,
protocols, Approvals and Pending Applications applicable to any clinical study
(past, present or planned) for the Licensed Products in the Territory, to which
Sclavo has rights.

                  "Closing Date" is defined in Section 6.1(a) hereof.

                  "Closing Items" are defined in Section 6.2 hereof.

                  "Commission" shall mean the Commission of the European
Community.

                  "Competent Authority" shall mean any regulatory or
administrative body competent to grant Approvals as defined above with regard to
the Licensed Products.

                  "Control Person" is defined in Section 5.3(a).



                                      -2-
<PAGE>   4

                  "Damages" shall include any loss, damage, injury, decline in
value, lost opportunity, liability, claim, demand, settlement, judgment, award,
fine, penalty, tax, fee (including reasonable attorneys' fees), charge, costs
(including reasonable costs of investigation) and reasonable expenses of any
nature.

                  "Effective Date" shall mean the date specified on the first
page of this Agreement.

                  "Exchange Act" shall mean the Securities and Exchange Act of
1934, as amended, and the rules and regulations thereunder.

                  "FDA" shall mean the United States Food and Drug
Administration.

                  "Improvements" shall mean any and all process or application
improvements of TA-1, developed by Sclavo or to which Sclavo has any rights. The
term also includes improvements to which Sclavo has rights and obtained with
commercial products which contain, in addition to a Licensed Product, other
therapeutically active ingredients or which involve a medical or diagnostic
device or medical or diagnostic process in addition to a Licensed Product,
provided, however, that the terms "diagnostic device or medical or diagnostic
process" for the purposes of this definition shall be deemed to include only
such devices or processes using TA-1 and shall not include such devices or
processes as antibodies against TA-1, such as radioimmunoassays.

                  "Inventions" shall mean any inventions and/or copyrightable
works applicable to the Licensed Products which are owned by Sclavo or in which
Sclavo has any ownership or license rights, including all patents and patent
applications for such inventions and all copyrights and copyright applications
for said works.

                  "Know-How" shall mean all know-how, technology, confidential
information, data, procedures, documents and trade secrets belonging to Sclavo
or SciClone concerning the development, manufacture, testing and/or commercial
exploitation of the Licensed Products, including all correspondence with respect
to the Licensed Products between Sclavo and sublicensees or potential
sublicensees of the Licensed Products in the Territory.

                  "License Agreement" shall mean the License Agreement entered
into between SciClone and Sclavo, dated April 21, 1997, pursuant to which
SciClone granted certain license rights to Sclavo in the Territory for the
Licensed Products.

                  "Licensed Product" or "Licensed Products" shall mean TA-1
(including bulk and/or finished product) and any and all Improvements.

                  "Licensed Territory" shall mean the countries of Italy, Spain
and Portugal.

                  "Manufacturing Agreement" shall mean the Manufacturing
Services Agreement entered into between SPIL and Sclavo, dated July 27, 1993.



                                      -3-
<PAGE>   5

                  "Manufacturing Technology" shall mean all trade secrets and
other proprietary rights, technical information, designs, studies, data,
reports, financial and cost information, regulatory expertise, correspondence,
manufacturing processes, procedures, formulae, discoveries, technology, patents
and Know-How, both oral and written, which are necessary or useful for the
manufacturing of Licensed Products and which are owned by SciClone or Sclavo or
to which SciClone or Sclavo has rights, relating to the formulation,
compounding, synthesis, cleavage, quality control, manufacture and testing of
the Licensed Products.

                  "Materials" shall mean all materials and documents created by
SciClone and/or Sclavo during the period of operation of the License Agreement
or the Manufacturing Agreement relating to the Licensed Products, including
without limitation, software material, the Translated Materials, equipment,
labels, bulk material, finished material, ampoules, vials, supplies, literature,
packaging, and any other items (collectively hereinafter called the "Materials")
and in the possession of Sclavo or to which Sclavo has rights as of the
Effective Date.


                  "Notified Body" shall mean any standards, testing or
certification body appointed by a Member State of the European Union and
notified to the Commission as competent to access Licensed Products.

                  "Party" or "Parties" shall mean Sclavo and SciClone.

                  "Pending Applications" shall mean any and all pending or
planned applications or filings for regulatory approvals applicable to the
Licensed Products in the Territory, including without limitation, applications
or filings for marketing approvals, clinical trials, manufacturing approvals or
other regulatory submissions with any governmental agency in the Territory, to
which Sclavo has rights.

                  "Permitted Nominee" is defined in Section 5.1(b).

                  "Person" shall mean any individual, corporation (including any
non-profit corporation), general partnership, limited partnership, limited
liability partnership, joint venture, estate, trust, company (including any
limited liability company or joint stock company), firm or other enterprise,
association, organization or entity.

                  "Records" shall mean complete and accurate records belonging
to Sclavo or to which Sclavo has access, of the production and distribution of
each batch of Licensed Products under either the License Agreement and/or the
Manufacturing Agreement, showing date of production and control, name and
address of first purchaser and the Licensed Product serial number and lot
number.

                  "Registration" is defined in Section 5.2(a).

                  "Restricted Information" shall mean all information which has
been disclosed to Sclavo by SciClone (or SciClone's Affiliates) or by SciClone
to Sclavo in connection with any 


                                      -4-
<PAGE>   6

agreement entered into by the Parties or their Affiliates, whether orally or in
writing, and all Know-How and Manufacturing Technology.

                  "SciClone" shall mean SciClone Pharmaceuticals, Inc., a
California corporation.

                  "Sclavo" shall mean Sclavo S.p.A., an Italian company.

                  "Securities Act" shall mean the Securities Act of 1933, as
amended, and the rules and regulations thereunder.

                  "SEC" shall mean the United States Securities and Exchange
Commission.

                  "Shares" shall mean the shares of common stock of SciClone
Pharmaceuticals, Inc., to be issued to Sclavo (or a Permitted Nominee) as
specified and determined pursuant to Section 5.1 hereof.

                  "Specified Approvals" are those certain specified Approvals
listed on Schedule 1 attached hereto which are to be transferred to or obtained
by the SRL Subsidiary prior to the Closing Date.

                  "SPIL" is defined in Recital A hereof.

                  "SRL and Transfer Agreement" shall mean the agreement signed
by Sclavo, SciClone, Donald R. Sellers and the SRL Subsidiary, pursuant to which
(i) certain specified Approvals are to be transferred to or obtained by the SRL
Subsidiary prior to the Closing Date, and (ii) ownership of the SRL Subsidiary
is to be transferred to Sclavo if the closing of this Agreement does not occur.

                  "SRL Subsidiary" is defined in Section 5.5 hereof.

                  "TA-1" shall mean Thymosin alpha 1, consisting of the sequence
of amino acids commonly ascribed to that peptide in the existing scientific
literature and as described in Exhibit C attached hereto.
                  "Territory" shall mean Italy, Spain and Portugal.

                  "Trademark" shall mean Sclavo's trademark "Timosina" and any
other trademark used in the past by Sclavo with respect to the Licensed Product.

                  "Transferred Items" shall mean all rights of Sclavo relating
to the Licensed Products, including without limitation, the Inventions
(including copyrights on Translated Materials and Clinical Trials) Clinical
Trials, Materials, Trademarks, Approvals, Pending Applications, Improvements,
Translated Materials, Know-How, Manufacturing Technology, Records and Restricted
Information (collectively called the "Transferred Items").



                                      -5-
<PAGE>   7

                  "Translated Materials" shall mean any Sclavo material which
Sclavo must have translated into a language other than English to meet
Applicable Laws, with respect to the Licensed Product.


                                   ARTICLE II

                         Representations and Warranties

         2.1 Representations and Warranties by Sclavo. In order to induce
SciClone to enter into and perform this Agreement, Sclavo hereby makes the
representations and warranties set forth in Exhibit A attached hereto, subject
to the exceptions set forth on the Schedule of Exceptions attached hereto as
Exhibit A-1.

         2.2 Representations and Warranties by SciClone. In order to induce
Sclavo to enter into and perform this Agreement, SciClone hereby makes the
representations and warranties set forth in Exhibit B attached hereto, subject
to the exceptions set forth on the Schedule of Exceptions attached hereto as
Exhibit B-1.


                                   ARTICLE III

                             Implementation Schedule

         3.1 Effective Date.

                  (a) Upon both Parties signing and delivering this Agreement,
this Agreement shall be effective and binding on both Parties; and within two
(2) business days thereafter, SciClone shall deliver to Sclavo (or a Permitted
Nominee, at the election of Sclavo) US$100,000 by wire transfer as a portion of
the Cash Price payable pursuant to Section 5.1 hereof.

                  (b) Immediately after the Effective Date, both parties shall
prepare and submit to the appropriate authorities all paperwork necessary to
achieve the Closing Items in Section 6.2.

         3.2 Closing. Upon both Parties completing the Closing Items as
specified in Section 6.2 hereof on the Closing Date, (i) SciClone shall deliver
to Sclavo (or a Permitted Nominee, at the election of Sclavo) US$900,000
(subject to the credit, if any, for any sum paid or payable by SciClone pursuant
to the AIC Purchase and Sale Agreement) by wire transfer as the remaining
portion of the Cash Price payable pursuant to Section 5.1 hereof, and (ii)
SciClone shall issue and deliver to Sclavo (or a Permitted Nominee, at the
election of Sclavo) the Shares as specified in Section 5.1 hereof.




                                      -6-
<PAGE>   8

                                   ARTICLE IV

                              Obligations of Sclavo

         4.1 Sclavo's Obligations on Effective Date. Upon the Effective Date,
Sclavo agrees that:

                  (a) Sclavo shall cease to use, manufacture, test, promote,
market, advertise or conduct research with regard to the Licensed Products, and
Sclavo shall cease to use the Trademark, the rights under the License Agreement
and/or the Manufacturing Agreement. Sclavo hereby agrees that the License
Agreement and the Manufacturing Agreement are hereby terminated.

                  (b) Sclavo shall furnish to ISF S.p.A. a written consent, in
the form attached hereto as Exhibit D, for ISF to enter into and perform any
manufacturing services or agreement with SciClone as SciClone and ISF may
mutually approve for the Licensed Products. Additionally, Sclavo shall cooperate
with SciClone and ISF, and Sclavo shall sign and deliver all papers, as may be
needed to promptly and efficiently transfer all manufacturing and export
approvals for the Licensed Products to SciClone and/or ISF, as reasonably and
timely requested by SciClone.

                  (c) The reference to SciClone in Sections 4.1(b), 4.2, 4.3,
4.4, 4.5 4.6, and 6.2 shall mean SciClone and/or an Affiliate of SciClone for
which SciClone has given a timely written notice to Sclavo that SciClone has
designated an Affiliate to be so referenced and included, and as is permitted by
the Applicable Laws. For avoidance of doubt, and as an example of the foregoing,
SciClone shall have the right to designate an Affiliate (e.g., SPIL) to be the
transferee of one or more of the Transferred Items, if the Affiliate is
permitted to be the transferee by Applicable Law. In order to facilitate
Sclavo's prompt preparation of the appropriate papers to accomplish the
transfers of the Transferred Items, SciClone (rather than an Affiliate) shall be
the transferee unless an express designation for a particular Affiliate is given
to Sclavo in advance of Sclavo's preparation of the transfer papers.

         4.2 Sclavo's Obligations Prior to the Closing Date. Between the
Effective Date and the Closing Date, Sclavo agrees that:

                  (a) Sclavo shall transfer to the SRL Subsidiary the Specified
Approvals as soon as feasible after the Effective Date.

                  (b) Sclavo shall cooperate and sign any and all papers as may
be necessary to allow SciClone (or the SRL Subsidiary, as to the Specified
Approvals) to obtain (by transfer from Sclavo or by new grant from the
appropriate party), all of the Transferred Items (which includes the Pending
Applications and the Approvals) necessary or advisable for the Licensed
Products, including without limitation, signing papers applicable to any past or
pending Clinical Trials. Without limiting the generality of the foregoing, to
the extent that SciClone needs to apply for a new AIC with respect to the
Specified Approvals (rather than Sclavo transferring the 


                                      -7-
<PAGE>   9

existing AIC), then Sclavo shall sign and file any papers that may assist
SciClone to obtain said new AIC.

                  (c) Sclavo shall return to SciClone at a location specified by
SciClone, or account for in the case of material consumed or provided to a third
party, all of the Materials.

                  (d) Sclavo shall provide to SciClone all reasonable
cooperation with respect to the Licensed Products (including, but without
limitation, access to documents, personnel and premises) to enable SciClone to
comply with all requirements imposed on SciClone by the FDA, a Competent
Authority or a Notified Body.

                  (e) Sclavo shall authorize SciClone to deal, with regard to
the Licensed Products, with Sclavo's clients, with parties and persons
identified in the Records, and in general with third parties, at SciClone's sole
discretion, to the extent deemed necessary or advisable in the discretion of
SciClone, provided, that except for the authority granted herein, SciClone shall
not hold itself out (or permit any person to hold itself out) as being
authorized to bind Sclavo in any way, nor to do any act, with regard to Sclavo's
clients which may adversely affect Sclavo.

                  (f) Sclavo shall give to SciClone the right and access, from
the Effective Date until two years after the Closing Date, to inspect any and
all matters with respect to the Licensed Products as may be reasonable and
appropriate to enable SciClone to confirm and verify the validity and accuracy
of Sclavo's representations and warranties, and Sclavo's performance of
obligations, as specified in this Agreement.

         4.3 Adverse Event. Prior to the Effective Date, Sclavo has furnished to
SciClone a written report as to any and all Adverse Events known to Sclavo, as
summarized in Exhibit A at item 12. For the period of five (5) years immediately
following the Effective Date, Sclavo shall immediately report in writing to
SciClone any Adverse Event that comes to the attention of Sclavo, so that
SciClone can comply with all Applicable Laws.

         4.4 Non-Competition. For the period of three (3) years immediately
following the Effective Date, Sclavo and its Affiliates shall not, directly or
indirectly, engage in any competition with the Licensed Products, by way of any
TA-1 material or product or by way of any derivative, analog, or subsequent
generation of TA-1. In the event that Sclavo enters into a distributorship
agreement with SciClone pursuant to Section 5.6 hereof, this Section 4.4 shall
not preclude Sclavo from performing those activities as contemplated by said
agreement.

         4.5      Prorations of Expenses.

                  (a) In consideration of the Cash Price and the Shares to be
received by Sclavo pursuant to this Agreement, Sclavo shall be responsible for
and shall pay for all expenses with respect to all of the Transferred Items
arising or accrued up to the Effective Date. Sclavo shall pay all transfer fees,
filing fees and other governmental charges required for Sclavo to transfer to
SciClone and/or to the SRL Subsidiary the Transferred Items or needed to
complete said transfers, or needed to complete the transfers or enable the SRL
Subsidiary to obtain the Specified Approvals.



                                      -8-
<PAGE>   10

                  (b) SciClone shall be responsible for and shall pay for only
those obligations which SciClone expressly creates or expressly assumes with
respect to the Licensed Products and the Transferred Items, and SciClone shall
not otherwise be responsible for any obligations or liabilities created by
Sclavo, including without limitation, any products liability for products made
or sold by Sclavo, or for any other liabilities or obligations resulting from
Sclavo's past activities. SciClone shall bear and pay the costs to form and
operate the SRL Subsidiary. SciClone shall bear and pay the transportation and
freight charges for Sclavo to deliver to SciClone the Materials as specified in
Section 4.2(c) hereof.

                  (c) Sclavo shall be responsible for and shall pay for all of
Sclavo's obligations and expenses arising or accrued with respect to the License
Agreement and the Manufacturing Agreement up to the Effective Date. SciClone and
Sclavo hereby agree that neither Party shall have any other obligation of any
nature whatsoever with respect to the other Party or to the other Party's
Affiliates with respect to the License Agreement and/or the Manufacturing
Agreement after the Effective Date, unless such agreements are revived pursuant
to Section 10.3 herein, and except for any indemnity claim arising and permitted
thereunder, due to a third party's claim.

         4.6 Clinical Trials. From the Effective Date and continuing to the
Closing Date, (i) Sclavo shall use good faith and diligent efforts to maintain
until the Closing Date the current status of the Clinical Trials described in
Section 10 of Exhibit A attached hereto, and (ii) Sclavo shall use good faith
and diligent efforts to satisfy or otherwise resolve all outstanding obligations
of Sclavo with respect to the Clinical Trials. SciClone shall have no
responsibility for payment of any costs or other obligations arising prior to
the Effective Date with respect to the Clinical Trials. The parties will use
their best efforts to come to a mutual agreement with respect to the allocation
of any Clinical Trial expenses which are fairly applicable and allocable to time
periods both before and after the Effective Date.

         4.7 Verification; Refund of Consideration. From the Effective Date and
continuing to the Closing Date, Sclavo shall cooperate and assist with respect
to providing appropriate and satisfactory verification to SciClone showing (i)
that all of Sclavo's representations and warranties are and remain true and
accurate, and (ii) that Sclavo will be able to effectively transfer all of the
Specified Approvals, and (iii) that SciClone's registration to sell, market,
test and develop TA-1 in Italy will be unencumbered and unrestricted by any
prior rights held by other parties granted by Sclavo without SciClone's consent
(collectively called the "Verifications"). If the Verifications are not provided
to SciClone's reasonable satisfaction and the Closing Items are not completed,
such that this Agreement is terminated, then Sclavo shall refund to SciClone (i)
the US$100,000 paid pursuant to Section 3.1(a) hereof, and (ii) the 200 million
lire paid pursuant to the AIC Purchase and Sale Agreement, and (iii) any other
part of the Cash Price or Shares given by SciClone to Sclavo pursuant to this
Agreement.

         4.8 Sclavo Affiliates. The reference to Sclavo in the following
sections shall mean both Sclavo and Sclavo's Affiliates, to the extent
applicable: Sections 4.1, 4.2, 4.4, 4.5, 4.6, 4.7, 7.1, 8.1, 10.2 and Exhibit A.
To the extent applicable, Sclavo shall cause its Affiliates to abide by said
sections and to perform in accordance with said sections.




                                      -9-
<PAGE>   11

                                    ARTICLE V

                             Obligations of SciClone

         5.1      Purchase Price.

                  (a) SciClone shall pay to Sclavo for the acquisition of all
the rights and titles under this Agreement a global consideration consisting of
(i) an amount of US$1,000,000 in cash (the "Cash Price"), and (ii) a number of
shares of SciClone Pharmaceuticals, Inc. Common Stock equivalent to a value of
US$1,500,000 (the "Shares"). The number of the Shares shall be equal to
US$1,500,000 divided by the average closing sale price per share of SciClone
Pharmaceuticals Inc. common stock as reported on the Nasdaq National Market for
the twenty (20) trading days immediately preceding the date that is three (3)
trading days prior to the Closing Date.





                                      -10-
<PAGE>   12

                  (b) The payment of some or all of the Cash Price and/or the
issuance of some or all of the Shares may be made to a nominee of Sclavo, upon
the written election of Sclavo delivered to SciClone prior to the date the
payment or issuance is otherwise due, so long as (i) it is legally permissible
to do so, and (ii) SciClone does not thereby incur or suffer any adverse tax
consequences or additional expenses, obligations, liabilities, risks or other
detriments. Such a nominee shall be referred to as a "Permitted Nominee."
References to Sclavo in this Agreement at Sections 3.1, 3.2, 5.1, 5.2, 5.3, 5.4,
5.5, 5.6 shall also be deemed to include any such Permitted Nominee when
applicable.

         5.2      Share Registration.

                  (a) Promptly following the issuance and delivery of the shares
to Sclavo (or a Permitted Nominee), SciClone shall register the sale of said
Shares by Sclavo (or a Permitted Nominee) (which for purposes of this Section
5.2 shall mean and include any and all other persons or entities who or which
may hold any of the Shares by permitted private transfer from Sclavo) on Form
S-3 (the "Registration") in accordance with applicable rules of the SEC pursuant
to the Securities Act of 1933, as amended (the "Securities Act"), or any similar
United States federal statute and the rules and regulations of the SEC
thereunder, all as the same shall be in effect at the time of the registration,
and on all of the terms and conditions of this Section 5.2. SciClone shall keep
the Registration in effect for a period of one year from the date of the
issuance of the Shares to Sclavo so that Sclavo is able to resell all of the
Shares it holds without volume restriction on the public market in the United
States pursuant to the Registration and/or pursuant to SEC Rule 144 pursuant to
the Securities Act.

                  (b) SciClone shall bear all Registration Expenses incurred in
connection with the Registration. "Registration Expenses" shall mean and include
all expenses, except as otherwise stated below, incurred by SciClone in
registering the Shares and maintaining the Registration in effect for the
required period, including, without limitation, any and all registration,
qualification and filing fees, printing expenses, escrow fees, fees and
disbursements of counsel for SciClone, reasonable fees and disbursements of one
special counsel for Sclavo, if any (with a maximum limit of $5,000), and the
expense of any special audits incident to or required by the Registration.

                  (c) In connection with the Registration, SciClone shall:

                           (i) Prepare and file with the SEC a Registration
Statement on Form S-3 with respect to the Shares and use its reasonable best
efforts to cause such Registration Statement to become and remain effective as
provided in this Section 5.2;

                           (ii) Keep Sclavo advised in writing as to the
initiation of the Registration and to the completion and effectiveness thereof;
and

                           (iii) Furnish to Sclavo such reasonable number of
copies of the Registration Statement, preliminary prospectus, final prospectus
and such other documents as Sclavo may reasonably request in order to facilitate
the sale of the Shares.



                                      -11-
<PAGE>   13

                  (d) Sclavo shall furnish to SciClone such information
regarding Sclavo, the Shares held by Sclavo and the distribution proposed by
Sclavo as SciClone may request in writing and only as shall be necessary to
enable SciClone to comply with the provisions hereof in connection with the
Registration.

                  (e) With a view to making available the benefits of certain
rules and regulations of the SEC which may at any time permit the sale of the
Shares to the public without registration, SciClone agrees to use its reasonable
best efforts to:

                           (i) Make and keep public information available, as
those terms are understood and defined in Rule 144 under the Securities Act, for
at least the next two years after the Effective Date;

                           (ii) File with the SEC in a timely manner all reports
and other documents required of SciClone under the Securities Act and the
Exchange Act; and

                           (iii) Furnish to Sclavo forthwith upon request a
written statement by SciClone as to its compliance with the reporting
requirements of Rule 144, and of the Securities Act and the Exchange Act, a copy
of the most recent annual or quarterly report of SciClone, and such other
reports and documents of SciClone and other information in the possession of or
reasonably obtainable by SciClone as Sclavo may reasonably request in availing
itself of any rule or regulation of the SEC allowing Sclavo to sell any of the
Shares without registration.

         5.3      Indemnification Regarding Share Registration.

                  (a) SciClone agrees to indemnify and hold harmless Sclavo, its
officers, directors, agents and employees and each Person, if any, who control
any such Person within the meaning of either Section 15 of the Securities Act,
or Section 20 of the Exchange Act (a "Control Person"), against all Damages
caused by, arising out of, or based upon (i) any failure of SciClone to comply
with any and all securities laws, rules or regulations, (ii) any breach by
SciClone of its obligations under this Agreement, or (iii) any untrue or alleged
untrue statement of material fact contained in the Registration Statement, any
related prospectus or preliminary prospectus or any amendment thereof or
supplement thereto, or any omission or alleged omission of a material fact
required to be stated therein or necessary to make the statements therein not
misleading, except insofar as any such untrue statement or omission was caused
by or contained in any information furnished in writing to SciClone by Sclavo
expressly for use therein or by Sclavo's failure to deliver a copy of a current
prospectus (as amended or supplemented) after SciClone has furnished Sclavo with
a sufficient number of copies for such purpose.

                  (b) Sclavo agrees to indemnify SciClone, its directors and
officers and each Control Person of SciClone against all Damages resulting from
any untrue or alleged untrue statement of material fact contained in the
Registration Statement any related prospectus or preliminary prospectus, or any
amendment thereof or supplement thereto, or any omission or alleged omission of
a material fact required to be stated therein or necessary to make the
statements therein not misleading, but only to the extent that such untrue
statement or omission is 


                                      -12-
<PAGE>   14

contained in any information or affidavit so furnished in writing by Sclavo
expressly for use therein.

                  (c) Any Person entitled to indemnification hereunder shall (i)
give prompt written notice to the indemnifying party of any claim with respect
to which it seeks indemnification and (ii) unless in such indemnified Person's
reasonable judgment a conflict of interest between such indemnified Person and
indemnifying party exists with respect to such claim, permit such indemnifying
party to assume the defense of such claim with counsel reasonably satisfactory
to the indemnified Person. If such defense is assumed, the indemnifying party
will not be subject to any liability for any consent to the entry of any
judgment or any settlement made by the indemnified Person without its consent
(but such consent will not be unreasonably withheld). An indemnifying party who
is not entitled to, or elects not to, assume the defense of a claim will not be
obligated to pay the fees and expenses of more than one counsel (other than
local counsel, as necessary) with respect to such claim for all indemnified
Persons, unless in the reasonable judgment of any indemnified Person a conflict
of interest exists between such indemnified Person and any other indemnified
Person with respect to such claim. The indemnifying party shall not, without the
prior written consent of the indemnified Person, effect any settlement or
compromise of any pending or threatened proceeding in respect of which such
indemnified Person is or could have been a party, and indemnity could have been
sought hereunder by such indemnified Person, unless such settlement (i) includes
an unconditional written release of such indemnified Person, in form and
substance reasonably satisfactory to such indemnified Person, from all liability
on the claims that are the subject matter of such settlement, (ii) does not
include any statement as to an admission of fault, culpability or failure to act
by or on behalf of any indemnified Person, and (iii) the sole relief provided
consists of monetary damages that are paid in full by the indemnifying party.

                  (d)      Contribution.

                           (i) To the extent that the indemnification provided
for in this Section 5.3 is for any reason unavailable to, or insufficient to
hold harmless, an indemnified Person in respect of any losses, claims, damages
or liabilities, then the indemnifying party, in lieu of indemnifying such
indemnified person hereunder and in order to provide for just and equitable
contribution, shall contribute to the amount paid or payable by such indemnified
Person as a result of such losses, claims, damages or liabilities in such
proportion as is appropriate to reflect the relative fault of indemnifying party
on the one hand and the indemnified Person on the other hand in connection with
the statements or omissions or alleged statements or omissions that resulted in
such losses, claims, damages or liabilities (or actions in respect thereof). The
relative fault of the indemnifying party and the indemnified Person shall be
determined by reference to, among other things, whether the untrue statement or
a material fact or the omission or alleged omission to state a material fact
relates to information supplied by SciClone on the one hand or Sclavo on the
other, their relative intent, knowledge, access to information, and opportunity
to correct or prevent such statement or omission, and any other equitable
considerations appropriate in the circumstances.



                                      -13-
<PAGE>   15

                           (ii) The parties agree that it would not be just and
equitable if contribution pursuant to this Section 5.3 were determined by any
method of allocation that does not take account of the equitable considerations
referred to in paragraph 5.3(d)(i). The amount paid or payable by an indemnified
Person as a result of the losses, claims, damages and liabilities referred to in
paragraph 5.3(d)(i) shall include all reasonable legal or other expenses
actually incurred by such indemnified Person in connection with investigating
and defending any such action or claim. No Person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
shall be entitled to contribution from any Person who was not guilty of such
fraudulent misrepresentation.

                           (iii) The indemnity and contribution agreements
contained in this Section 5.3 are in addition to any liability that an
indemnifying party otherwise may have to the indemnified Person.

                  (e) The indemnification provided for under this Section 5.3
will remain in full force and effect regardless of any investigation made by or
on behalf of the indemnified Person or any officer, director or controlling
person of such indemnified Person and will survive the sale or transfer of the
Shares.

         5.4 Share Resale Restriction. Sclavo agrees that during each of the
first nine calendar months following the Registration effective date, Sclavo
will not sell more than one-ninth (1/9) of the original number of Shares issued
to Sclavo; provided, however, during the first month of such nine months, Sclavo
may sell up to one-ninth (1/9) multiplied by the number of full months which
have elapsed between the Effective Date of this Agreement and the effective date
of the Registration. As an example of the foregoing, if 45 days have so elapsed,
then one-ninth (1/9) may be sold, but if 70 days have elapsed, then two-ninths
(2/9) may be sold. Sclavo agrees that the resale of the Shares shall be made
exclusively through such reputable broker(s) each of which must be pre-approved
in writing by SciClone, which approval will not be withheld or delayed
unreasonably.

         5.5 SRL Subsidiary. As soon as is reasonably feasible, and prior to the
Closing Date, SciClone shall establish an SRL Italian private company (the "SRL
Subsidiary"), to be named "SciClone Pharmaceuticals Italy S.r.l." to be owned
98% by SciClone and 2% by Donald Sellers (an individual). The SRL Subsidiary
shall be the transferee of the Specified Approvals, and any other of the
Transferred Items to be transferred to the SRL Subsidiary pursuant to Section
4.1(c) hereof. SciClone, Sclavo and the SRL Subsidiary shall sign and abide by
the SRL and Transfer Agreement and the AIC Purchase and Sale Agreement, pursuant
to which agreements the Specified Approvals are to be transferred from Sclavo to
the SRL Subsidiary prior to the Closing Date.

         5.6 Non-Exclusive Distributor. SciClone shall offer to Sclavo the
opportunity for Sclavo to be one of three non-exclusive, third party
distributors in Italy for the Licensed Product, on terms and conditions which
are not less favorable to Sclavo than the terms given by SciClone to any other
non-exclusive, third party, comparable distributor appointed by SciClone in
Italy 


                                      -14-
<PAGE>   16

for the Licensed Products. Promptly after SciClone appoints its first third
party distributor in Italy for the Licensed Product, SciClone shall give Sclavo
written notice thereof and of the terms of said appointment, and SciClone shall
offer the same terms to Sclavo. If Sclavo does not accept such offer within
ninety (90) days after Sclavo receives the offer, then SciClone shall have no
further obligations pursuant to this Section 5.6.

         5.7 Continuation of Warranties. SciClone hereby covenants to take all
actions necessary to cause the warranties set forth in Section 5 and 6 of
Exhibit B attached hereto to also be true and effective as of the Closing Date.


                                   ARTICLE VI

                             Closing Date and Items

         6.1 Closing Date. The "Closing Date" is the date to be specified by
SciClone which shall be within five (5) business days following the date when
all of the Closing Items specified in Section 6.2 have been completed. The
parties shall use their reasonable best efforts to complete the Closing Items
within ninety (90) days after the Effective Date. At the Closing Date, SciClone
shall deliver the remainder of the Cash Price and the Shares as specified in
Section 3.2 hereof.

         6.2      Closing Items.  The "Closing Items" are the following:

                  (a) Sclavo shall furnish to SciClone written evidence to the
reasonable satisfaction of SciClone that Sclavo has completed and performed all
of Sclavo's obligations as set forth in Section 4.2 hereof, other than that part
of the obligation in Section 4.1(f) hereof which continues after the Closing
Date.

                  (b) Sclavo and/or SciClone shall have obtained all third party
approvals (including governmental approvals) as may be necessary for the
effective transfer from Sclavo to SciClone (or the SRL Subsidiary, as to the
Specified Approvals) of all items constituting the Transferred Items, and the
Transferred Items (including the Specified Approvals) shall have been so
transferred to, or otherwise obtained for, SciClone or its Affiliates or the SRL
Subsidiary. Without limiting the generality of the foregoing, the Specified
Approvals for the Licensed Products shall have been transferred to the SRL
Subsidiary, and SciClone or the SRL Subsidiary shall have received all rights of
Sclavo in respect of the necessary AIC approvals and other approvals for the
Licensed Products in the Licensed Territory, and SciClone or the SRL Subsidiary
shall have received all other Transferred Items (including the Specified
Approvals.

                  (c) All of Sclavo's representations and warranties set forth
in Exhibit A attached hereto shall have remained accurate, true and correct as
of the Closing Date, and Sclavo shall have delivered to SciClone an officer's
certificate warranting the same in the form of Exhibit E attached hereto.

                  (d) Any of the Specified Approvals which are subject to the
SRL and Transfer Agreement and/or the AIC Purchase and Sale Agreement shall be
transferred to the SRL 


                                      -15-
<PAGE>   17

Subsidiary, pursuant to the SRL and Transfer Agreement and/or the AIC Purchase
and Sale Agreement, without any remaining conditions or restrictions.

                  (e) Each of Sclavo and SciClone shall have complied fully with
all obligations which the party is to perform prior to the Closing Date, and
Sclavo and SciClone shall furnish to each other written evidence of said
compliance to the reasonable satisfaction of each other.


                                   ARTICLE VII

                        Confidentiality and Press Release

         7.1 After the Effective Date, Sclavo shall keep all Restricted
Information disclosed to it by SciClone (or SciClone's Affiliates) strictly
confidential, refrain from using any such Restricted Information for any purpose
other than the performance of the obligations under this Agreement, and return
to SciClone any materials falling within such Restricted Information. Any such
Restricted Information may be used by Sclavo for any purpose, or disclosed by
Sclavo to any other person, only to the extent that:

                  (a) it is at the date hereof, or hereafter becomes, public
knowledge through no fault of Sclavo (provided that in doing so Sclavo shall not
disclose any Restricted Information which is not public knowledge); or

                  (b) it can be shown by Sclavo, to the reasonable satisfaction
of SciClone, to have been known to Sclavo prior to it being disclosed by
SciClone to Sclavo or prior to it being developed or obtained by Sclavo in
connection with the Licensed Products.

         7.2 After the Effective Date, SciClone shall keep strictly confidential
any Restricted Information of Sclavo which Sclavo has disclosed to SciClone, if
any, which is not related to the Licensed Products; and SciClone shall refrain
from using any such confidential information. This provision shall cease to be
applicable as to any information that:

                  (a)  is at the date hereof, or hereafter becomes, public 
knowledge through no fault of SciClone; or

                  (b) can be shown by SciClone, to the reasonable satisfaction
of Sclavo, to have been known to SciClone prior to it being disclosed by Sclavo
to SciClone.

         7.3 SciClone will submit to Sclavo a draft of any proposed U.S. press
release, and Sclavo will submit to SciClone a draft of any proposed press
release in the European Union countries, regarding this Agreement or the subject
matter hereof, or any right, obligation or development thereunder. Such press
releases will be subject to prior review by the other party, and the other
party's suggested revisions will be sent to the releasing party by facsimile
within three days of receipt by the other party of the draft press release. The
suggested revisions will be considered, and will not be unreasonably rejected,
withheld or delayed. Any SciClone press release in a European Union country and
any Sclavo press release in the U.S. shall require the written consent of the
other party prior to issue of such press release, and such consent shall not be
unreasonably withheld or delayed.




                                      -16-
<PAGE>   18

                                  ARTICLE VIII

                                    Indemnity

         8.1 Indemnity by Sclavo. Sclavo shall indemnify and defend SciClone
for, and hold SciClone harmless from, any damage, loss and liability in general,
including attorney's fees and expenses, which SciClone and/or its officers,
directors, agents, employees or assignees may incur



                                      -17-
<PAGE>   19
(i) for any products liability claims arising from acts or omissions by Sclavo
occurring up to the Effective Date of this Agreement with respect to the
Licensed Products, or (ii) for any breach or default by Sclavo of any contract,
commitment or understanding (e.g., co-marketing understandings) between Sclavo
and third parties with respect to the Licensed Products, or (iii) for any breach
by Sclavo of any of its covenants, representations or warranties contained in
this Agreement.

         8.2 Procedure. In the event of any indemnity claim under Section 8.1
hereof, SciClone shall give written notice thereof to Sclavo, and Sclavo shall
be given a reasonable opportunity to remedy, satisfy and/or protest such claim.
Pending a resolution of any such indemnity claim, SciClone shall be entitled to
postpone any remaining payments to Sclavo in the amount of such claim. In the
event of any indemnity claim under Section 8.1 hereof, SciClone may pursue any
remedy available in law or equity through the arbitration procedure specified in
Article IX hereof.


                                   ARTICLE IX

                                   Arbitration

         9.1 Arbitration. Any and all disputes arising out of this Agreement,
including those concerning its validity, interpretation, performance,
termination or collection of an indemnity claim, shall be referred to binding
arbitration according to the rules of conciliation and arbitration of the
International Chamber of Commerce, which the Parties hereby declare to accept.
The arbitrators shall make decisions according to English law. The arbitration
will be conducted in the English language. The place of arbitration will be in
London, England. The arbitrators shall have the discretion and authority to
require the losing party to reimburse the prevailing party some or all of the
prevailing party's expenses (including attorney's fees) incurred in connection
with the arbitration proceeding.


                                    ARTICLE X

                                   Termination

         10.1 Default. In the event a Party defaults in the performance of its
obligations under this Agreement, or in the event a Party is in breach or
default of its representations and warranties contained in this Agreement, and
said default is not cured within thirty (30) days after written notice of
thereof is delivered to the defaulting Party, then the non-defaulting Party may
thereafter, either before or after the Closing Date, (i) terminate this
Agreement and/or terminate all future performance obligations under this
Agreement, by delivering written notice of such termination to the defaulting
Party, and/or (ii) pursue any other remedies available at law or equity,
including without limitation the collection of damages caused by said default,
through the arbitration procedure specified in Article IX hereof.



                                      -18-
<PAGE>   20

         10.2 Inability to Transfer. In the event that Sclavo, despite its best
efforts, is unable to transfer to SciClone (or its Affiliates), or otherwise
enable SciClone or its Affiliates to obtain, within six (6) months following the
Effective Date all of the Transferred Items (other than those items which
SciClone concludes are not essential) due to some governmental or legal
impediment or other force majeure which is beyond the control of Sclavo, then
Sclavo and SciClone shall meet promptly in order to evaluate and determine if
Sclavo will be able to complete the transfer of, or otherwise enable SciClone or
its Affiliates to obtain, the Transferred Items within a reasonable period of
time. If the Parties conclude in good faith that Sclavo will not be able to
complete the transfer of, or otherwise enable SciClone or its Affiliates to
obtain, the Transferred Items within a reasonable period of time, then either
Sclavo or SciClone shall have the right to terminate this Agreement by
delivering a written notice of termination to the other Party.

         10.3 Effect of Termination. Upon any termination of this Agreement, (i)
the terminated License Agreement and Manufacturing Agreement shall be revived
automatically and shall remain in effect, (ii) Sclavo and SciClone shall
cooperate to reestablish their good working relationship and to perform under
the License Agreement and the Manufacturing Services Agreement, (iii) Sclavo
shall make the refunds as specified in Section 4.7 hereof, (iv) all other rights
and obligations of the Parties pursuant to this Agreement shall terminate, and
(v) a non-defaulting Party may pursue any available remedies against a
defaulting Party as specified in Section 10.1 hereof.


                                   ARTICLE XI

                               General Provisions

         11.1 No Assignment By Sclavo. This Agreement is personal to Sclavo.
Sclavo shall not assign this Agreement, in whole or in part, directly, by
operation of law or otherwise, except with the prior written consent of
SciClone, or except as is expressly permitted hereby. No assignment by Sclavo
with or without SciClone's consent will relieve Sclavo from any of Sclavo's
obligations under this Agreement.

         11.2 Assignment By SciClone. SciClone may assign its rights to receive
any benefits and/or to make any payments under this Agreement to any of its
Affiliates. Any such assignment by SciClone will not relieve SciClone from any
of its obligations under this Agreement.

         11.3 Entirety. This Agreement contains the entire agreement, and
supersedes any and all prior agreements, between the Parties relative to its
subject. In the event that there is any inconsistency between the terms of this
Agreement and the terms of the AIC Purchase and Sale Agreement or the SRL and
Transfer Agreement, then the terms of this Agreement shall prevail. This
Agreement shall not be amended or rescinded except by a writing signed by both
of the Parties.



                                      -19-
<PAGE>   21

         11.4 Survival. If any provision of this Agreement is held by any court
or other competent authority to be void or unenforceable in whole or part, the
remainder of this Agreement shall continue to be valid and enforceable.

         11.5 Waiver. Any waiver by either Party of the breach of any term or
condition of this Agreement will not be considered as a waiver of any subsequent
breach of the same or any other term or condition hereof.
Any waiver must be in writing.

         11.6 Counterparts. This Agreement may be executed in counterparts, each
of which shall be deemed an original, but all of which shall constitute one and
the same instrument. Signatures may be transmitted by facsimile, and once the
Parties have transmitted their signatures, this Agreement shall be binding and
effective.

         11.7 Writing. Any reference in this Agreement to "writing" includes a
reference to a typed or handwritten document, and to telex, cable or facsimile
transmission.

         11.8 Headings. The headings in this Agreement are for convenience only
and shall not affect the interpretation of this Agreement.

         11.9 Notice. Any notice or other information required or authorized by
this Agreement to be given by either Party to the other Party may be given by
hand or sent by telex or telecopier facsimile to the other Party at the
principal place of business address set forth below, or to such other principal
place of business address as is notified by one Party to the other Party from
time to time:

                           SciClone Pharmaceuticals, Inc.
                           901 Mariner's Island Blvd.
                           San Mateo, CA 94404
                           Attention:  President
                           Fax: 650/358-3469

                           Sclavo S.p.A.
                           Via Florentina 1
                           53100 Siena, Italy
                           Attention:  President
                           Fax: 011/39/###-##-####

Any notice or other information sent as specified above by telex or telecopier
facsimile transmission shall be deemed to have been duly sent on the date of
actual transmission. Any notice or other information sent as specified above by
any other means shall be deemed to have been duly sent on the date of actual
receipt at the Party's address as specified above.

         11.10 Currency. All payment amounts referenced in this Agreement are to
be made in dollar currency of the United States of America. In this regard, any
credit pursuant to Section 3.2 hereof applicable to payments made pursuant to
the AIC Purchase and Sale Agreement shall be calculated by converting any lire
paid pursuant to the AIC Purchase and Sale Agreement into 


                                      -20-
<PAGE>   22

U.S. dollars, based upon the official exchange rate reported by the Wall Street
Journal on the business day immediately preceding the date of any such payment
made pursuant to the AIC Purchase and Sale Agreement.





                                      -21-
<PAGE>   23

         11.11 Survival. Each representation, warranty, covenant and agreement
of the Parties contained in this Agreement shall survive after the Final Closing
Date.

         IN WITNESS WHEREOF, the Parties by their authorized representatives
have executed this Agreement as of the date and year first above written.


                                  SCLAVO S.p.A.


                                  By:____________________________________
                                  Title:_________________________________


                                  SCICLONE PHARMACEUTICALS, INC.


                                  By:____________________________________
                                  Title:_________________________________

The undersigned (SPIL) hereby consents to and agrees to the termination of the
Manufacturing Agreement as specified in the foregoing Agreement at Section
4.1(a).


                                  SCICLONE PHARMACEUTICALS INTERNATIONAL LTD.


                                  By:____________________________________
                                  Title:_________________________________





                                      -22-
<PAGE>   24

                                    EXHIBIT A

                      Sclavo Representations and Warranties


         Subject only to the exceptions specified in Exhibit A-1 attached
hereto, Sclavo hereby represents and warrants to SciClone as follows:

                  1. Organization.  Sclavo is a corporation duly organized, 
validly existing and in good standing under the laws of Italy.

                  2. Authorization. This Agreement has been duly and validly
authorized, executed and delivered by Sclavo, and this Agreement constitutes the
valid and binding agreement of Sclavo, enforceable against Sclavo in accordance
with its terms. Sclavo has all requisite corporate power and authority to
execute, deliver and perform this Agreement. All necessary corporate action on
the part of Sclavo has been taken to authorize the execution, delivery and
performance of this Agreement.

                  3. Right to Transfer. Sclavo has the right and power to
transfer to SciClone all of the Approvals, Pending Applications, Inventions,
Clinical Trials, Improvements, Manufacturing Technology, Records, Restricted
Information, Materials, Know-How, Trademark, Translated Materials, and other
Transferred Items which are to be transferred pursuant to this Agreement,
without the need to obtain the approval from any third party (including any
governmental agency), other than such approvals as Sclavo shall obtain prior to
the Closing Date.

                  4. No Conflicts. The execution, delivery and performance of
this Agreement by Sclavo will not result in a breach of, or be in conflict with,
any other agreement, authorization, document, governmental permit, approval, law
or rule applicable to Sclavo or to the Transferred Items which are to be
transferred from Sclavo to SciClone pursuant to this Agreement.

                  5. Current Compliance. With respect to each of the Transferred
Items being transferred from Sclavo to SciClone as set forth in Section 4.2 of
this Agreement, Sclavo currently is in full compliance with all of Sclavo's
obligations with respect to said Transferred Items; there are no existing or
pending breaches or defaults by Sclavo, or to the best of the knowledge of
Sclavo, any third party with respect to the Transferred Items; neither Sclavo,
to the best of the knowledge of Sclavo, nor any third party, (including any
governmental agency), has given any notice of termination or default, or
intention to declare any termination or default, of any of the Transferred
Items; and all of the Transferred Items remain in full force and effect.

                  6. Title. Sclavo has all right, title and ownership interests
in and to all of the Transferred Items, and Sclavo is transferring to SciClone
good, valid and effective title to all rights and interests in the Transferred
Items not later than the Closing Date.

                  7. Manufacturing, Marketing and Distribution Arrangements.
Sclavo has not entered into any agreement, arrangement or other understanding
with any third party with respect to any manufacturing, testing, storage,
marketing, distribution, supply, sublicensing, co-marketing, co-promotion, use,
or other activities with respect to the Licensed Product, either 


                                      -23-
<PAGE>   25
oral or written, other than such agreements which have already been performed,
completed and terminated, and other than such agreements which are specifically
identified on Exhibit A-1 attached hereto.

                  8. Materials. Sclavo does not own or have possession or
control over any items used in connection with the development, manufacturing,
testing and/or marketing of Licensed Products other than the Materials and the
other Transferred Items which are being transferred from Sclavo to SciClone
pursuant to this Agreement.

                  9. Third Parties. Sclavo previously granted rights to Sigma
Tau Industrie Farmaceutiche Riunite S.p.A., in AIC No.028640, but Sclavo
warrants and represents that all such rights passed back to Sclavo as of May 31,
1992, and as set out in the February 19, 1998 letter, attached as Exhibit F.
Sclavo previously granted license rights to Ellem Industria Farmaceuticha
S.r.l., now Pierre Fabre, for TA-1 in Italy, but Sclavo warrants and represents
that all such rights have since expired or passed back to Sclavo. Except as set
forth in the preceding two sentences, Sclavo has not assigned, transferred,
sublicensed, or otherwise conveyed any rights with respect to any of the
Transferred Items or the Licensed Products to any third party, and no third
party has asserted or threatened to assert any claims with respect to any of the
Transferred Items or the Licensed Products. Sclavo has no information indicating
that there will be any problems or delays in the effective transfer from Sclavo
to SciClone of all of the Transferred Items.

                  10. Clinical Trial Agreements. Listed below is the identity of
each and every one of the clinical trial agreements or clinical trials which
Sclavo has sponsored, conducted, funded or provided TA-1 material for, in the
past or now has with respect to the Licensed Products:

         A Randomized Controlled Trial of Thymosin-Alpha 1, Versus Interferon
Alpha Treatment in Patients with Hepatitis B and Antigen Antibody and Hepatitis
B, Virus DNA - Positive Chronic Hepatitis B

All obligations to be performed by Sclavo pursuant to said clinical trial
agreements have been performed and completed, excepting only as otherwise set
forth on Exhibit A-1 attached hereto. All obligations of the other parties to
said clinical trial agreements have been performed and completed, excepting only
as otherwise set forth on Exhibit A-1 attached hereto.

                  11. Pending Agreements. There are no agreements of any nature
whatsoever, oral or written, entered into by Sclavo with respect to the Licensed
Products which remain in effect as of the Effective Date, other than this
Agreement and the following listed agreement(s):

             a.   Clinical Trial Agreement(s) set forth in Section 10..

                  12. Adverse Event. Sclavo does not have any information
concerning any Adverse Event with respect to the Licensed Product.

                  13. Approvals. Listed below is the identity of each and every
one of the Approvals which Sclavo has had in the past or now has with respect to
the Licensed Products:



                                      -24-
<PAGE>   26

             a.   AIC #028364014 for 2mg injectable lyophilised vial in 
             excipient normal purified human albumin

             b.   AIC #028364026 for 1.6mg in excipient mannitol

SciClone reserves the right to add to this list of Approvals, should any
additional ones come to light during its due diligence between the Effective
Date and Closing Date.

                  14. Pending Applications. Listed below is the identity of each
and every one of the Pending Applications with respect to the Licensed Products:

             a. Sclavo has presented indications on TA-1 associated with
             Alpha-Interferon with regard to lung tumors to the Commissione
             Unica del Farmacao, C.U.F.

                  15. Inventions. Sclavo does not own or have any ownership or
license rights, including patents and patent applications, copyrights and
copyright applications, for any Invention in respect of the Licensed Products,
except for:

         Italian Patent application No.1216056, entitled "Composizioni
Farmaceutiche Contenenti Timusina Alfa 1, with Filippo Lattanzi as the inventor.



                                      -25-
<PAGE>   27

                                   EXHIBIT A-1

                             Schedule of Exceptions
                   to Sclavo's Representations and Warranties







None other than:



14.      Sclavo is not able to warrant that the Pending Application identified
         in Section 14 of Exhibit A will ultimately be approved and authorized
         by the appropriate governmental authorities or that it will result in
         Approval of any kind.











                                      -26-
<PAGE>   28

                                    EXHIBIT B

                     SciClone Representations and Warranties


         Subject only to the exceptions specified in Exhibit B-1 attached
hereto, SciClone hereby represents and warrants to Sclavo as follows:

                  1. Organization. SciClone is a corporation duly organized,
validly existing and in good standing under the laws of the State of California,
U.S.A.

                  2. Authorization. This Agreement has been duly and validly
authorized, executed and delivered by SciClone, and this Agreement constitutes
the valid and binding agreement of SciClone, enforceable against SciClone in
accordance with its terms. SciClone has all requisite corporate power and
authority to execute, deliver and perform this Agreement. All necessary
corporate action on the part of SciClone has been taken to authorize the
execution, delivery and performance of this Agreement.

                  3. Effect of Agreement; Consents. The execution, delivery and
performance of this Agreement do not conflict with, or result in a breach of,
any other agreement, instrument, document, governmental permit, law or rule
affecting SciClone. No consent from any third party or from any governmental
authority is required to be obtained on the part of SciClone to permit the
consummation of the transactions contemplated by this Agreement, excepting only
as may be needed under the laws of the Territory with respect to SciClone being
the transferee of the Transferred Items, and except that the registration for
the resale of the Shares will need to be completed with the SEC as specified in
Section 5.2 of this Agreement.

                  4. Shares. The Shares to be issued by SciClone to Sclavo
pursuant to this Agreement will be, when issued, (i) duly authorized and validly
issued to Sclavo or its Permitted Nominee, and (ii) fully paid for and
nonassessable. The certificates for the Shares, when delivered to Sclavo or its
Permitted Nominee, will be free and clear of all liens or other encumbrances,
other than customary securities law restrictive legends until the Shares become
registered with the United States Securities and Exchange Commission (the
"SEC").

                  5. Condition of SciClone. SciClone has furnished to Sclavo
copies of SciClone's most recent filings with the SEC, consisting of its Form
10-K for the year ended December 31, 1996, its Form 10-Q for the quarter ended
June 30, 1997, and its proxy statement for the 1997 annual meeting, together
with SciClone's annual report to stockholders for the fiscal year ending
December 31, 1996. None of said filings or the annual report contains any untrue
statement of material fact or omits to state a material fact necessary to make
the statements contained therein not misleading, and there has not been a
material adverse change in the business, properties, assets, condition
(financial or other), results of operations or prospects of SciClone since
December 31, 1996.



                                      -27-
<PAGE>   29

                  6. SEC Filings. SciClone has been subject to the reporting
requirements of Section 13 of the Exchange Act for more than 36 months and has
filed all of the reports required to be filed thereunder during the 12 months
preceding the date hereof.



                                      -28-
<PAGE>   30

                                   EXHIBIT B-1

                             Schedule of Exceptions
                  to SciClone's Representations and Warranties







                                      NONE



                                      -29-
<PAGE>   31

                                    EXHIBIT D

                             Sclavo's Consent to ISF

                        [Draft for letterhead of Sclavo]

                                __________, 1998


ISF

- - ---------------------
- - ---------------------
- - ---------------------
Italy

         Re:  Manufacturing thymosin alpha 1 Product

Dear ______________:

         This letter is to inform you that Sclavo and SciClone are entering into
an agreement pursuant to which Sclavo will no longer be manufacturing thymosin
alpha 1 ("TA-1") in Italy. This agreement will have no impact on any arrangement
ISF may have as a third party manufacturer for finished thymosin alpha 1 with
SciClone or its Affiliates. Sclavo hereby acknowledges that Sclavo has no right
to object to ISF entering into any manufacturing or supply agreement for TA-1
with SciClone or its Affiliates.


                                  Sincerely,

                                  SCLAVO S.p.A


                                     By:_________________________________


                                      -31-
<PAGE>   32

                                    EXHIBIT E

                          Form of Officer's Certificate



         The undersigned officer of Sclavo S.p.A. ("Sclavo") hereby certifies to
SciClone Pharmaceuticals, Inc. ("SciClone"), with respect to that certain
Acquisition Agreement dated _________________, 1998 between Sclavo and SciClone
(the "Acquisition Agreement"), that:


                  1.       I am the duly elected and acting ________________ 
                  officer of Sclavo; and

                  2. All of Sclavo's representations and warranties set forth in
                  Exhibit A attached to the Acquisition Agreement (i) are hereby
                  repeated and restated as of the date hereof (the "Closing
                  Date"), and (ii) remain accurate, true and correct as of the
                  Closing Date.



Dated as of: _______________________



                                            ---------------------------------
                                            (signature)


                                            ---------------------------------
                                            (print name)





                                      -32-
<PAGE>   33

                                    EXHIBIT F

                             Return of Rights Letter

                              SIGMA-TAU FINANZIARIA

                               ia 19 febbraio 1998

- - - via fax -

Avv. Maria Cristina Marcucci
Sclavo SpA
Castelvecchio Pascoli
Lucca


Gentile Dottoressa,

Re:      Timosina alpha 1

         In seguito alla varie conversazioni tenutesi sull'argomento in oggetto,
la presente per confermarLe quanto segue.

Sigma-Tau Industries Farmaceutiche Riunite SpA ("Sigma-Tau") necessita di alcune
informazioni al fine di rinnovare presso il MinSan italiano la propria
Autorizzazione all'Immissione in Commercio della specialita farmaceutica
denominata PARATIM, contenente Timosina alpha 1.

Sclavo SpA e in posseso di tali informazioni ed e disposta a fornirle a
Sigma-Tau. Sigma Tau dichiara che la AIC del PARATIM cosi rinnovata verra usata
da Sigma-Tau solo dietro sottoscrizione di un accordo di licenze tra la societa
titolare dei diritti sulla Timosina alpha 1 in Italia e Sigma-Tau.

Con i migliori saluti,


Doc. Mauro Bove



                                      -33-
<PAGE>   34

                               EXHIBIT F (cont'd)

 Informal Translation of Mr. Mauro Bove's letter to Dr. Maria Cristina Marcucci



Re: Thymosin Alpha 1

Following our various telephone conversation regarding the captioned product,
this is to confirm what follows:

Sigma-Tau Industrie Farmaceutiche Riunite SpA ("Sigma-Tau") needs some
information in order to renew with the Italian Ministry of Health its "AIC" for
the pharmaceutical specialty named PARATIM containing Thymosin Alpha 1.

Sclavo SpA holds such information and is ready to provide Sigma-Tau with them.
Sigma-Tau declares that the "AIC" thus renewed shall only be used by Sigma-Tau
after the execution of a license agreement between the company holding the
rights on Thymosin Alpha 1 in Italy and Sigma-Tau.

With best regards,


                                      -34-
<PAGE>   35

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                            <C>
RECITALS  ......................................................................................................1

ARTICLE I  Definitions..........................................................................................1

ARTICLE II  Representations and Warranties......................................................................6
         2.1      Representations and Warranties by Sclavo......................................................6
         2.2      Representations and Warranties by SciClone....................................................6

ARTICLE III  Implementation Schedule............................................................................6
         3.1      Effective Date................................................................................6
         3.2      Closing.......................................................................................6

ARTICLE IV  Obligations of Sclavo...............................................................................6
         4.1      Sclavo's Obligations on Effective Date........................................................6
         4.2      Sclavo's Obligations Prior to the Closing Date................................................7
         4.3      Adverse Event.................................................................................8
         4.4      Non-Competition...............................................................................8
         4.5      Prorations of Expenses........................................................................8
         4.6      Clinical Trials...............................................................................9
         4.7      Verification; Refund of Consideration.........................................................9
         4.8      Sclavo Affiliates.............................................................................9

ARTICLE V  Obligations of SciClone..............................................................................9
         5.1      Purchase Price................................................................................9
         5.2      Share Registration...........................................................................10
         5.3      Indemnification Regarding Share Registration.................................................11
         5.4      Share Resale Restriction.....................................................................13
         5.5      SRL Subsidiary...............................................................................13
         5.6      Non-Exclusive Distributor....................................................................13
         5.7      Continuation of Warranties...................................................................14

ARTICLE VI  Closing Date and Items.............................................................................14
         6.1      Closing Date.................................................................................14
         6.2      Closing Items................................................................................14

ARTICLE VII  Confidentiality...................................................................................15

ARTICLE VIII  Indemnity........................................................................................15
         8.1      Indemnity by Sclavo..........................................................................15
         8.2      Procedure....................................................................................16

ARTICLE IX  Arbitration........................................................................................16
         9.1      Arbitration..................................................................................16

ARTICLE X  Termination.........................................................................................16
</TABLE>


                                      -i-
<PAGE>   36

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                            <C>
         10.1     Default......................................................................................16
         10.2     Inability to Transfer........................................................................16
         10.3     Effect of Termination........................................................................17

ARTICLE XI  General Provisions.................................................................................17
         11.1     No Assignment By Sclavo......................................................................17
         11.2     Assignment By SciClone.......................................................................17
         11.3     Entirety.....................................................................................17
         11.4     Survival.....................................................................................17
         11.5     Waiver.......................................................................................18
         11.6     Counterparts.................................................................................18
         11.7     Writing......................................................................................18
         11.8     Headings.....................................................................................18
         11.9     Notice.......................................................................................18
         11.10    Currency.....................................................................................18
         11.11    Survival.....................................................................................19
</TABLE>



                                      -ii-
<PAGE>   37

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                            <C>
RECITALS  ......................................................................................................1

ARTICLE I  Definitions..........................................................................................1

ARTICLE II  Representations and Warranties......................................................................6
         2.1      Representations and Warranties by Sclavo......................................................6
         2.2      Representations and Warranties by SciClone....................................................6

ARTICLE III  Implementation Schedule............................................................................6
         3.1      Effective Date................................................................................6
         3.2      Closing.......................................................................................6

ARTICLE IV  Obligations of Sclavo...............................................................................6
         4.1      Sclavo's Obligations on Effective Date........................................................6
         4.2      Sclavo's Obligations Prior to the Closing Date................................................7
         4.3      Adverse Event.................................................................................8
         4.4      Non-Competition...............................................................................8
         4.5      Prorations of Expenses........................................................................8
         4.6      Clinical Trials...............................................................................9
         4.7      Verification; Refund of Consideration.........................................................9
         4.8      Sclavo Affiliates.............................................................................9

ARTICLE V  Obligations of SciClone..............................................................................9
         5.1      Purchase Price................................................................................9
         5.2      Share Registration...........................................................................10
         5.3      Indemnification Regarding Share Registration.................................................11
         5.4      Share Resale Restriction.....................................................................13
         5.5      SRL Subsidiary...............................................................................13
         5.6      Non-Exclusive Distributor....................................................................13
         5.7      Continuation of Warranties...................................................................14

ARTICLE VI  Closing Date and Items.............................................................................14
         6.1      Closing Date.................................................................................14
         6.2      Closing Items................................................................................14

ARTICLE VII  Confidentiality...................................................................................15

ARTICLE VIII  Indemnity........................................................................................15
         8.1      Indemnity by Sclavo..........................................................................15
         8.2      Procedure....................................................................................16

ARTICLE IX  Arbitration........................................................................................16
         9.1      Arbitration..................................................................................16

ARTICLE X  Termination.........................................................................................16
</TABLE>


                                      -i-
<PAGE>   38

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                            <C>
         10.1     Default......................................................................................16
         10.2     Inability to Transfer........................................................................16
         10.3     Effect of Termination........................................................................17

ARTICLE XI  General Provisions.................................................................................17
         11.1     No Assignment By Sclavo......................................................................17
         11.2     Assignment By SciClone.......................................................................17
         11.3     Entirety.....................................................................................17
         11.4     Survival.....................................................................................17
         11.5     Waiver.......................................................................................18
         11.6     Counterparts.................................................................................18
         11.7     Writing......................................................................................18
         11.8     Headings.....................................................................................18
         11.9     Notice.......................................................................................18
         11.10    Currency.....................................................................................18
         11.11    Survival.....................................................................................19
</TABLE>



                                      -ii-

<PAGE>   1
                                                                  EXHIBIT 10.29

                    FIRST AMENDMENT TO ACQUISITION AGREEMENT


         This First Amendment is entered into as of April ____, 1998 with
respect to that certain Acquisition Agreement dated as of April ____, 1998 (the
"Agreement"), made between SciClone Pharmaceuticals, Inc., a California
corporation ("SciClone"), and Sclavo S.p.A, an Italian company ("Sclavo"), with
respect to the following facts:


         A. Various terms are defined in the Agreement, and said defined terms
shall have the same meaning in this Amendment.


         B. Pursuant to Section 5.1 of the Agreement, SciClone is to pay to
Sclavo a Purchase Price consisting of (i) the Cash Price of US $1,000,000, and
(ii) the Shares consisting of SciClone's Common Stock having a value of US
$1,500,000.


         C. Pursuant to the terms of this Amendment, Sclavo and SciClone have
agreed to reduce the Cash Price and to fix the number of the Shares, as set
forth in this Amendment.


         NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants set forth in this Amendment, SciClone and Sclavo hereby agree as
follows:

         1. Cash Price. In lieu of the US $1,000,000 Cash Price set forth in
Section 5.1(a) of the Agreement, the Parties hereby mutually agree to reduce the
Cash Price to US $_________, which shall be the new, amended, defined "Cash
Price". In Section 3.2 of the Agreement, the US $900,000 figure is hereby
amended to be US $____________.

         2. Shares. In lieu of the US $1,500,000 worth of the Shares as
specified in Section 5.1(a) of the Agreement, SciClone and Sclavo hereby
mutually agree that the number of the Shares to be issued by SciClone to Sclavo
as of the Closing Date shall be a fixed number of the Shares equal to _________
shares.

         3. Stock Warrant. In consideration for this Amendment, SciClone shall
also grant to Sclavo at the Closing a Stock Warrant, in customary form,
entitling Sclavo to purchase up to ___________ shares of SciClone's Common Stock
at an exercise purchase price of US $________ per share, which Stock Warrant
shall remain available for exercise until the second anniversary of the Closing
Date.

         4. Effect. Excepting only as expressly set forth in this Amendment, all
of the other terms and provisions of the Agreement shall remain in full force
and affect.

         IN WITNESS HEREOF, the parties by their authorized representative said
and executed this agreement as of the date in here first above written.


SCLAVO S.P.A.                               SCICLONE PHARMACEUTICALS, INC.


By:________________________________         By:________________________________


Title:_____________________________         Title:_____________________________


<PAGE>   1
                                                                  EXHIBIT 10.30

THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, TOGETHER WITH THE REGULATIONS PROMULGATED THEREUNDER (THE "SECURITIES
ACT"), AND MAY NOT BE SOLD, OFFERED FOR SALE, TRANSFERRED, PLEDGED OR IN THE
ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FILED UNDER THE SECURITIES ACT
AND ANY APPLICABLE STATE SECURITIES LAWS, UNLESS AN EXEMPTION FROM SUCH
REGISTRATION IS AVAILABLE. THIS WARRANT MAY NOT BE EXERCISED BY OR ON BEHALF OF
ANY U.S. PERSON UNLESS REGISTERED UNDER THE SECURITIES ACT, OR AN EXEMPTION FROM
REGISTRATION IS AVAILABLE UNDER THE SECURITIES ACT AND ANY APPLICABLE STATE
SECURITIES LAWS.


                             STOCK PURCHASE WARRANT
                  To Purchase 375,000 Shares of Common Stock of

                         SCICLONE PHARMACEUTICALS, INC.

                  THIS CERTIFIES that, for value received, Sclavo S.p.A. (the
"Holder"), is entitled, upon the terms and subject to the conditions hereinafter
set forth, at any time on or after one day after the date hereof and on or prior
to April ___, 2000 (the "Termination Date") but not thereafter, to subscribe for
and purchase from SCICLONE PHARMACEUTICALS, INC., a California corporation (the
"Company"), three hundred seventy-five thousand (375,000) shares of Common Stock
(the "Warrant Shares"). The purchase price of one share of Common Stock (the
"Exercise Price") under this Warrant shall be Four Dollars and Twelve and
One-Half Cents (US $4.125). The Exercise Price and the number of shares for
which the Warrant is exercisable shall be subject to adjustment as provided
herein.

                  1. Title of Warrant. Prior to the expiration hereof and
subject to compliance with applicable laws, this Warrant and all rights
hereunder are transferable, in whole or in part, pursuant to paragraph 9 hereof.

                  2. Authorization of Shares. The Company covenants that all
shares of Common Stock which may be issued upon the exercise of rights
represented by this Warrant will, upon exercise of the rights represented by
this Warrant, be duly authorized, validly issued, fully paid and nonassessable
and free from all taxes, liens and charges in respect of the issue thereof
(other than taxes in respect of any transfer occurring contemporaneously with
such issue).





<PAGE>   2

                  3. Exercise of Warrant. Exercise of the purchase rights
represented by this Warrant may be made at any time or times after the date
hereof, in whole or in part, before the close of business on the Termination
Date, or such earlier date on which this Warrant may terminate as provided in
paragraph 12 below, by the surrender of this Warrant and the Notice of Exercise
annexed hereto duly executed, at the office of the Company (or such other office
or agency of the Company as it may designate by notice in writing to the
registered Holder hereof at the address of such Holder appearing on the books of
the Company) and upon payment of the Exercise Price of the shares thereby
purchased; whereupon the Holder of this Warrant shall be entitled to receive a
certificate for the number of shares of Common Stock so purchased. Certificates
for shares of Common Stock purchased hereunder shall be delivered to the holder
hereof within five (5) trading days after the date on which this Warrant shall
have been exercised as aforesaid. Payment of the Exercise Price of the shares
may be by certified check or cashier's check or by wire transfer to an account
designated by the Company in an amount equal to the Exercise Price multiplied by
the number of shares of Common Stock being purchased.

                  4. No Fractional Shares or Scrip. No fractional shares or
scrip representing fractional shares shall be issued upon the exercise of this
Warrant.

                  5. Charges, Taxes and Expenses. Issuance of certificates for
shares of Common Stock upon the exercise of this Warrant shall be made without
charge to the Holder hereof for any issue or transfer tax or other incidental
expense in respect of the issuance of such certificate, all of which taxes and
expenses shall be paid by the Company, and such certificates shall be issued in
the name of the Holder of this Warrant or in such name or names as may be
directed by the Holder of this Warrant; provided, however, that in the event
certificates for shares of Common Stock are to be issued in a name other than
the name of the Holder of this Warrant, this Warrant when surrendered for
exercise shall be accompanied by the Assignment Form attached hereto duly
executed by the Holder hereof; and provided further, that upon any transfer
involved in the issuance or delivery of any certificates for shares of Common
Stock, the Company may require, as a condition thereto, the payment of a sum
sufficient to reimburse it for any transfer tax incidental thereto.

                  6. Holder Representations. The Holder of the Warrant agrees
and acknowledges that the Warrant is being purchased for the Holder's own
account, for investment purposes only, and not for the account of any other
person, and not with a view to distribution, assignment, pledge or resale to
others or to fractionalization in whole or in part. The Holder further
represents, warrants and agrees as follows: no other person has or will have a
direct or indirect beneficial interest in this Warrant and the Holder will not
sell, hypothecate or otherwise transfer the Warrant except in accordance with
the Securities Act and Regulation D thereunder and applicable state securities
laws or unless, in the opinion of counsel for the Holder acceptable to the
Company, an exemption from the registration requirements of the Securities Act
and such laws is available.

                  7. Closing of Books. The Company will at no time close its
shareholder books or records in any manner which interferes with the timely
exercise of this Warrant.



                                       2
<PAGE>   3

                  8. No Rights as Stockholder until Exercise. This Warrant does
not entitle the Holder hereof to any voting rights or other rights as a
stockholder of the Company prior to the exercise thereof. If, however, at the
time of the surrender of this Warrant and purchase the Holder hereof shall be
entitled to exercise this Warrant, the shares so purchased shall be and be
deemed to be issued to such holder as the record owner of such shares as of the
close of business on the date on which this Warrant shall have been exercised.

                  9. Assignment and Transfer of Warrant. This Warrant may be
assigned by the surrender of this Warrant and the Assignment Form annexed hereto
duly executed at the office of the Company (or such other office or agency of
the Company as it may designate by notice in writing to the registered holder
hereof at the address of such holder appearing on the books of the Company);
provided, however, that this Warrant may not be resold or otherwise transferred
except with the prior consent of the Company and (i) in a transaction registered
under the Securities Act, or (ii) in a transaction pursuant to an exemption, if
available, from such registration and whereby, if requested by the Company, an
opinion of counsel reasonably satisfactory to the Company is obtained by the
holder of this Warrant to the effect that the transaction is so exempt.

                  10. Loss, Theft, Destruction or Mutilation of Warrant. The
Company represents and warrants that upon receipt by the Company of evidence
reasonably satisfactory to it of the loss, theft, destruction or mutilation of
any Warrant or stock certificate, and in case of loss, theft or destruction, of
indemnity or security reasonably satisfactory to it, and upon reimbursement to
the Company of all reasonable expenses incidental thereto, and upon surrender
and cancellation of such Warrant or stock certificate, if mutilated, the Company
will make and deliver a new Warrant or stock certificate of like tenor and dated
as of such cancellation, in lieu of this Warrant or stock certificate.

                  11. Saturdays, Sundays, Holidays, etc. If the last or
appointed day for the taking of any action or the expiration of any right
required or granted herein shall be a Saturday, Sunday or a legal holiday, then
such action may be taken or such right may be exercised on the next succeeding
day not a legal holiday.

                  12.      Effect of Certain Events.

                  (a) If at any time the Company proposes (i) to sell or
otherwise convey all or substantially all of its assets, or (ii) to effect a
transaction (by merger or otherwise) in which more than 50% of the voting power
of the Company is disposed of (collectively, a "Sale or Merger Transaction") in
which the consideration to be received by the Company or its stockholders
consists solely of cash, the Company shall give the Holder of this Warrant
thirty (30) days notice of the proposed effective date of the transaction
specifying that the Warrant shall terminate if the Warrant has not been
exercised by the effective date of the transaction.

                  (b) In case the Company shall at any time effect a Sale or
Merger Transaction in which the consideration to be received by the Company or
its stockholders consists in part of consideration other than cash, the Holder
of this Warrant shall have the right thereafter to 


                                       3
<PAGE>   4

purchase, by exercise of this Warrant and payment of the aggregate Exercise
Price in effect immediately prior to such action, the kind and amount of shares
and other securities and property which it would have owned or have been
entitled to receive after the happening of such transaction had this Warrant
been exercised immediately prior thereto.

                  (c) "Piggy-Back" Registration. The Holder of this Warrant
shall have the right to include all of the shares of Common Stock underlying
this Warrant (the "Registrable Securities") as part of any registration of
securities filed by the Company (other than in connection with a transaction
contemplated by Rule 145(a) promulgated under the Securities Act or pursuant to
Form S-8) and must be notified in writing of such filing; provided, however,
that the holder of this Warrant agrees it shall not have any piggy-back
registration rights pursuant to this Section 12(c) if the shares of Common Stock
underlying this Warrant are freely tradable in the United States pursuant to the
provisions of Regulation D. Holder shall have five (5) business days to notify
the Company in writing as to whether the Company is to include Holder or not
include Holder as part of the registration; provided, however, that if any
registration pursuant to this Section shall be underwritten, in whole or in
part, the Company may require that the Registrable Securities requested for
inclusion pursuant to this Section be included in the underwriting on the same
terms and conditions as the securities otherwise being sold through the
underwriters. If in the good faith judgment of the underwriter evidenced in
writing of such offering only a limited number of Registrable Securities should
be included in such offering, or no such shares should be included, the Holder,
and all other selling stockholders, shall be limited to registering such
proportion of their respective shares as shall equal the proportion that the
number of shares of selling stockholders permitted to be registered by the
underwriter in such offering bears to the total number of all shares then held
by all selling stockholders desiring to participate in such offering. Those
Registrable Securities which are excluded from an underwritten offering pursuant
to the foregoing provisions of this Section (and all other Registrable
Securities held by he selling stockholders) shall be withheld from the market by
the Holders thereof for a period, not to exceed one hundred eighty (180) days,
which the underwriter may reasonably determine is necessary in order to effect
such underwritten offering. The Company shall have the right to terminate or
withdraw any registration initiated by it under this Section 12(c) prior to the
effectiveness of such registration whether or not any Warrant holder elected to
include securities in such registration. All registration expenses incurred by
the Company in complying with this Section 12(c) shall be paid by the Company,
exclusive of underwriting discounts, commissions and legal fees and expenses for
counsel to the holders of the Warrants.

                  13. Adjustments of Exercise Price and Number of Warrant
Shares. The number and kind of securities purchasable upon the exercise of this
Warrant and the Exercise Price shall be subject to adjustment from time to time
upon the happening of any of the following.

                  In case the Company shall (i) declare or pay a dividend in
shares of Common Stock or make a distribution in shares of Common Stock to
holders of its outstanding Common Stock, (ii) subdivide its outstanding shares
of Common Stock, (iii) combine its outstanding shares of Common Stock into a
smaller number of shares of Common Stock, or (iv) issue any 


                                       4
<PAGE>   5

shares of its capital stock in a reclassification of the Common Stock, the
number of Warrant Shares purchasable upon exercise of this Warrant immediately
prior thereto shall be adjusted so that the holder of this Warrant shall be
entitled to receive the kind and number of Warrant Shares or other securities of
the Company which he would have owned or have been entitled to receive had such
Warrant been exercised in advance thereof. An adjustment made pursuant to this
paragraph shall become effective immediately after the effective date of such
event retroactive to the record date, if any, for such event.

                  14. Voluntary Adjustment by the Company. The Company may at
its discretion, at any time during the term of this Warrant, reduce the then
current Exercise Price to any amount and for any period of time deemed
appropriate by the Board of Directors of the Company.

                  15. Notice of Adjustment. Whenever the number of Warrant
Shares or number or kind of securities or other property purchasable upon the
exercise of this Warrant or the Exercise Price is adjusted, as herein provided,
the Company shall promptly mail by registered or certified mail, return receipt
requested, to the Holder of this Warrant notice of such adjustment or
adjustments setting forth the number of Warrant Shares (and other securities or
property) purchasable upon the exercise of this Warrant and the Exercise Price
of such Warrant Shares after such adjustment, setting forth a brief statement of
the facts requiring such adjustment and setting forth computation by which such
adjustment was made. Such notice, in absence of manifest error, shall be
conclusive evidence of the correctness of such adjustment.

                  16. Authorized Shares. The Company covenants that during the
period the Warrant is outstanding, it will reserve from its authorized and
unissued Common Stock a sufficient number of shares to provide for the issuance
of Common Stock upon the exercise of any purchase rights under this Warrant. The
Company further covenants that its issuance of this Warrant shall constitute
full authority to its officers who are charged with the duty of executing stock
certificates to execute and issue the necessary certificates for shares of the
Company's Common Stock upon the exercise of the purchase rights under this
Warrant. The Company will take all such reasonable action as may be necessary to
assure that such shares of Common Stock may be issued as provided herein without
violation of any applicable law or regulation, or of any requirements of the
Nasdaq Stock Market ("NASDAQ") (or on the principal national securities exchange
on which the Common Stock is admitted to trading or listed or, if not listed or
admitted to trading on NASDAQ or a national securities exchange, as reported by
the National Quotation Bureau, Inc. or other similar organization ("Other
Exchanges")) for the three (3) trading days immediately prior to the date such
dividend is payable.

                  17.      Miscellaneous.

                  (a) Issue Date; Jurisdiction. The provisions of this Warrant
shall be construed and shall be given effect in all respects as if it had been
issued and delivered by the Company on the date hereof. This Warrant shall be
binding upon any successors or assigns of the Company. This Warrant shall be
governed by and construed in accordance with the laws of the State of California
as such laws are applied to agreements between California residents entered into
and 


                                       5
<PAGE>   6

to be performed entirely within California.

                  (b) Restrictions. The holder hereof acknowledges that the
Common Stock acquired upon the exercise of this Warrant, if not registered, may
have restrictions upon its resale imposed by state and federal securities laws.

                  (c) Modification and Waiver. This Warrant and any provisions
hereof may be changed, waived, discharged or terminated only by an instrument in
writing signed by the party against which enforcement of the same is sought.

                  (d) Notices. Any notice, request or other document required or
permitted to be given or delivered to the holders hereof of the Company shall be
delivered or shall be sent by certified or registered mail, postage prepaid, to
each such holder at its address as shown on the books of the Company or to the
Company at the address set forth in the Agreement.

                  IN WITNESS WHEREOF, the Company has caused this Warrant to be
executed by its officers thereunto duly authorized.

Dated:  April ___, 1998

                                       SCICLONE PHARMACEUTICALS, INC.



                                       By:

                                       Title:_______________________________






                                       6
<PAGE>   7
                               NOTICE OF EXERCISE



To:      SCICLONE PHARMACEUTICALS, INC.

                  (1) The undersigned hereby elects to purchase ________ shares
of Common Stock of SCICLONE PHARMACEUTICALS, INC. pursuant to the terms of the
attached Warrant, and tenders herewith payment of the purchase price in full,
together with all applicable transfer taxes, if any.

                  (2) By signing below, the undersigned hereby certifies that
the shares of Common Stock to be issued upon exercise of this Warrant have been
registered under the Securities Act of 1933 (the "Act"), or that an exemption
from registration under the Securities Act is available for such shares of
Common Stock.

                  (3) Please issue a certificate or certificates representing
said shares of Common Stock in the name of the undersigned or in such other name
as is specified below:

                           -------------------------------
                           (Name)

                           -------------------------------
                           (Address)
                           -------------------------------




Dated:


                                           ------------------------------
                                           Signature

NOTE: Signature must conform in all respects to holder's name as specified on
the face of the attached warrant.




                                       7
<PAGE>   8

                                 ASSIGNMENT FORM

                    (To assign the foregoing warrant, execute
                   this form and supply required information.
                    Do not use this form to purchase shares.)



         FOR VALUE RECEIVED, the foregoing Warrant and all rights evidenced
thereby are hereby assigned to

______________________________________________________________ whose address is

______________________________________________________________________________.




______________________________________________________________________________

                                                  Dated:  ______________, 199


                Holder's Signature: _____________________________

                Holder's Address:   _____________________________

                                    _____________________________



Signature Guaranteed:  __________________________________________



NOTE: The signature to this Assignment Form must correspond with the name as it
appears on the face of the Warrant, without alteration or enlargement or any
change whatsoever, and must be guaranteed by a bank or trust company. Officers
of corporations and those acting in an fiduciary or other representative
capacity should file proper evidence of authority to assign the foregoing
Warrant.





                                       8

<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                       2,358,516
<SECURITIES>                                 4,560,356
<RECEIVABLES>                                3,225,323
<ALLOWANCES>                                         0
<INVENTORY>                                  1,490,298
<CURRENT-ASSETS>                             9,591,760
<PP&E>                                       1,380,447
<DEPRECIATION>                               (948,404)
<TOTAL-ASSETS>                              15,693,581
<CURRENT-LIABILITIES>                        4,354,243
<BONDS>                                              0
                                0
                                  6,156,398
<COMMON>                                   111,161,841
<OTHER-SE>                               (105,978,901)
<TOTAL-LIABILITY-AND-EQUITY>                15,693,581
<SALES>                                      2,461,387
<TOTAL-REVENUES>                             2,461,387
<CGS>                                          680,904
<TOTAL-COSTS>                                  680,904
<OTHER-EXPENSES>                            13,838,427
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                           (14,721,347)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                       (14,721,347)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                              (14,721,347)
<EPS-PRIMARY>                                   (0.94)
<EPS-DILUTED>                                        0
        

</TABLE>


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission