DURA PHARMACEUTICALS INC
SC 13E3, 2000-04-25
PHARMACEUTICAL PREPARATIONS
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<PAGE>

================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                              ---------------------

                                 SCHEDULE 13E-3

                                 (RULE 13e-100)

           RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(e) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                     SPIROS DEVELOPMENT CORPORATION II, INC.
                              (Name of the Issuer)

                           DURA PHARMACEUTICALS, INC.
                      (Name of Person(s) Filing Statement)

                CALLABLE COMMON STOCK, PAR VALUE $.001 PER SHARE
                         (Title of Class of Securities)

                                  848936 10 0
                      (CUSIP Number of Class of Securities)

                                  CAM L. GARNER
                      CHAIRMAN AND CHIEF EXECUTIVE OFFICER
                           DURA PHARMACEUTICALS, INC.
                               7475 LUSK BOULEVARD
                           SAN DIEGO, CALIFORNIA 92121
                                 (858) 457-2553

                 (Name, Address and Telephone Number of Persons
               Authorized to Receive Notices and Communications on
                      Behalf of Person(s) Filing Statement)

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

                                   Copies to:
FAYE H. RUSSELL                         JOSEPH J. GIUNTA
RICHARD S. CHERNICOFF                   SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
BROBECK, PHLEGER & HARRISON LLP         300 SOUTH GRAND AVENUE
12390 EL CAMINO REAL                    LOS ANGELES, CALIFORNIA  90071-3144
SAN DIEGO, CALIFORNIA  92130            (213) 687-5000
(858) 720-2500

This statement is filed in connection with (check the appropriate box):

a. / / The filing of solicitation materials or an information statement
subject to Regulation 14A, Regulation 14C or Rule 13e-3(c) under the
Securities Exchange Act of 1934.
b. /X/ The filing of a registration statement under the Securities Act of
1933.
c. / / A tender offer.
d. / / None of the above.

Check the following box if the soliciting materials or information statement
referred to in checking box (a) are preliminary copies: / /

                            CALCULATION OF FILING FEE
         Transaction Valuation (1) $87,978,620 Amount of Filing Fee: $17,596

/X/      Check box if any part of the fee is offset as provided by Rule
11(a)(2) and identify the filing with which the offsetting fee was previously
paid.

         Identify the previous filing by registration statement number or the
form or schedule and the date of its filing.

         Amount Previously Paid: $16,391(2) Filing Parties: Dura
Pharmaceuticals, Inc.

         Form or Registration No.: 333-      Schedule Date Filed: April 25, 2000

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

         (1) Estimated solely for the purpose of determining the filing fee in
accordance with Exchange Act Rule 0-11(b), based on the average of the high and
low prices for shares of the Issuer as reported by The Nasdaq Stock Market on
April 18, 2000.

         (2) Represents the fees paid by Dura Pharmaceuticals, Inc. in
connection with the filing of its registration statement on Form S-4 on
April 25, 2000.

================================================================================


<PAGE>


                                  INTRODUCTION


         This Rule 13e-3 Transaction Statement on Schedule 13E-3 is being filed
with the Securities and Exchange Commission (the "SEC") by Dura Pharmaceuticals,
Inc. ("Dura") with respect to a proposed merger with Spiros Development
Corporation II, Inc. ("Sprios Corp. II").

ITEM 1.  SUMMARY TERM SHEET.

         Not applicable.

ITEM 2.  SUBJECT COMPANY INFORMATION.

         (a) NAME AND ADDRESS. The information set forth under the caption
"SUMMARY--The companies" in the Proxy Statement/Prospectus is incorporated
herein by reference pursuant to General Instruction F to Schedule 13E-3.

         (b) SECURITIES. The information set forth under the caption "THE
SPECIAL MEETING" in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

         (c) TRADING MARKET AND PRICE. The information set forth under the
caption "MARKET FOR COMMON EQUITY AND RELATED STOCKHOLDER MATTERS" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

         (d) DIVIDENDS. The information set forth under the caption
"SUMMARY--Market price and dividend information" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (e) PRIOR PUBLIC OFFERINGS. The information set forth under the
caption "DESCRIPTION OF OUR BUSINESS--Overview" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (f) PRIOR STOCK PURCHASES. Not applicable

ITEM 3.  IDENTITY AND BACKGROUND OF FILING PERSON.

         (a) NAME AND ADDRESS. The information set forth on the Form S-4
cover page to the Proxy Statement/Prospectus and under the captions "ELECTION
OF DIRECTORS", "SECURITY OWNERSHIP OF MANAGEMENT" and "EXECUTIVE OFFICERS" in
Dura's Proxy Statement on Schedule 14A dated April 19, 2000 incorporated by
reference in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

         (b) BUSINESS AND BACKGROUND OF ENTITIES. The information set forth
under the caption "SUMMARY--The companies" in the Proxy Statement/Prospectus
is incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

         (c) BUSINESS AND BACKGROUND OF NATURAL PERSONS. The information set
forth under the captions "ELECTION OF DIRECTORS" and "EXECUTIVE OFFICERS" in
Dura's Proxy Statement on Schedule 14A dated April 19, 2000 incorporated by
reference in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

ITEM 4.  TERMS OF THE TRANSACTION.

         (a)(1)   Not applicable.

         (a)(2) (i) The information set forth under the caption "SUMMARY--The
merger" in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

                (ii) The information set forth under the caption
"SUMMARY--The merger" in the Proxy Statement/Prospectus is incorporated herein
by reference pursuant to General Instruction F to Schedule 13E-3.


                                       2
<PAGE>


                (iii) The information set forth under the captions "SPECIAL
FACTORS--Recommendation of our board of directors; our reasons for the
merger; fairness of the merger" and "SPECIAL FACTORS--Dura's reasons for the
merger" in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

                (iv) The information set forth under the captions
"SUMMARY--Vote required of our stockholders" and "THE SPECIAL MEETING" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

                (v) The information set forth under the captions
"SUMMARY--Comparison of rights of Dura's stockholders and our stockholders" and
"THE MERGER--Comparison of rights of Dura's stockholders and our stockholders"
in the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

                (vi) The information set forth under the captions
"SUMMARY--Accounting treatment" and "THE MERGER--Accounting treatment and future
reporting" in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

                (vii) The information set forth under the captions
"SUMMARY--The merger will be a taxable transaction" and "THE MERGER
AGREEMENT--Federal income tax considerations" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (c) Not Applicable.

         (d) The information set forth under the captions "SUMMARY--Dissenters'
rights" and "RIGHTS OF DISSENTING STOCKHOLDERS" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (e) The information set forth under the captions "THE SPECIAL
MEETING" in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

         (f) The information set forth under the caption "SUMMARY--Stock
exchange listing" in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3

ITEM 5.  PAST CONTRACTS, TRANSACTIONS, NEGOTIATIONS AND AGREEMENTS.

         (a)(1) TRANSACTIONS. The information set forth under the captions
"THE MERGER--Relationship between us and Dura", "RELATED PARTY TRANSACTIONS"
and "INTERESTS OF CERTAIN PERSONS IN THE MERGER" in the Proxy/Statement
Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (a)(2)Not Applicable

         (b)(1)-(6) The information set forth under the caption "SPECIAL
FACTORS--Background of the merger" in the Proxy Statement/Prospectus is
incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

                                       3
<PAGE>


         (c) The information set forth under the caption "SPECIAL
FACTORS--Background of the merger" in the Proxy Statement/Prospectus is
incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

         (e) The information set forth under the captions "SUMMARY--The merger,"
"THE MERGER--Relationship between us and Dura," "THE MERGER AGREEMENT" and
"DESCRIPTION OF THE WARRANTS" in the Proxy Statement/Prospectus is incorporated
herein by reference pursuant to General Instruction F to Schedule 13E-3.

ITEM 6.  PURPOSES OF THE TRANSACTION AND PLANS OR PROPOSALS.

         (b) The information set forth under the caption "THE MERGER" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

         (c)(1) The information set forth under the caption "THE MERGER" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

         (c)(2)   Not applicable.

         (c)(3) The information set forth under the caption
"SUMMARY--Unaudited pro forma condensed consolidated financial data" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

         (c)(4) The information set forth under the caption "SPECIAL
FACTORS--Purposes of the merger and plans or proposals" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (c)(5) Not applicable.

         (c)(6) The information set forth under the caption "SPECIAL
FACTORS--Purposes of the merger and plans or proposals" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (c)(7) The information set forth under the caption "SPECIAL
FACTORS--Purposes of the merger and plans or proposals" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (c)(8) The information set forth under the caption "SPECIAL
FACTORS--Purposes of the merger and plans or proposals" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

ITEM 7.  PURPOSES, ALTERNATIVES, REASONS AND EFFECTS.

         (a) The information set forth under the caption "SPECIAL
FACTORS--Purposes of the merger and plans or proposals" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (b) The information set forth under the caption "SPECIAL FACTORS" in
the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

                                       4
<PAGE>


         (c) The information set forth under the caption "SPECIAL FACTORS" in
the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

         (d) The information set forth under the captions "THE MERGER
AGREEMENT" and "SUMMARY--Unaudited pro forma condensed consolidated financial
data" in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3

ITEM 8.  FAIRNESS OF THE TRANSACTION.

         (a) The information set forth under the caption
"SUMMARY--Recommendation of the special committee and our board of directors"
in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

         (b) The information set forth under the caption "Special Factors" in
the Proxy Statement Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3

         (c) The information set forth under the caption "SUMMARY--Vote
required of our stockholders" in the Proxy Statement/Prospectus is
incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

         (d) The information set forth under the caption "SPECIAL FACTORS" in
the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

         (e) The information set forth under the caption
"SUMMARY--Recommendation of the special committee and our board of directors"
in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

         (f) Not applicable.

ITEM 9.  REPORTS, OPINIONS, APPRAISALS AND NEGOTIATIONS.

         (a) The information set forth under the captions "SUMMARY--Opinion
of our financial advisor," "SPECIAL FACTORS--Opinion of SG Cowen Securities
Corporation" and "SPECIAL FACTORS--Opinion of Merrill Lynch Pierce Fenner &
Smith Incorporated" in the Proxy Statement/Prospectus is incorporated herein
by reference pursuant to General Instruction F to Schedule 13E-3.

         (b)(1)-(6) The information set forth under the caption "SPECIAL
FACTORS--Opinion of SG Cowen Securities Corporation" and "SPECIAL
FACTORS--Opinion of Merrill Lynch Pierce Fenner & Smith Incorporated" in the
Proxy Statement/Prospectus is incorporated herein by reference pursuant to
General Instruction F to Schedule 13E-3.

         (c) The information set forth under the caption "WHERE YOU CAN FIND
MORE INFORMATION" in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

ITEM 10. SOURCE AND AMOUNTS OF FUNDS OR OTHER CONSIDERATION.

         (a) The information set forth under the caption "SUMMARY--The merger"
and "THE MERGER--Dura's funding of the merger" in the Proxy Statement/Prospectus
is incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

         (b) The information set forth under the captions
"SUMMARY--Conditions to the merger" and "THE MERGER AGREEMENT--Conditions to
the merger" in the Proxy Statement/Prospectus is incorporated herein by
reference pursuant to General Instruction F to Schedule 13E-3.

         (c) The information set forth under the caption "THE MERGER--Expenses"
in the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

         (d) Not applicable.


                                       5
<PAGE>


ITEM 11.  INTEREST IN SECURITIES OF THE SUBJECT COMPANY.

         (a) The information set forth under the captions "OUR PRINCIPAL
STOCKHOLDERS" and "SECURITY OWNERSHIP OF OUR MANAGEMENT" in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (b) Not applicable.

ITEM 12.  THE SOLICITATION OR RECOMMENDATION.

         (d) The information set forth under the captions "THE SPECIAL
MEETING--Voting by our directors and executive officers and Dura" and
"RELATED AGREEMENTS" in the Proxy Statement/Prospectus is incorporated herein
by reference pursuant to General Instruction F to Schedule 13E-3.

         (e) The information set forth under the captions "SPECIAL FACTORS"
in the Proxy Statement/Prospectus is incorporated herein by reference
pursuant to General Instruction F to Schedule 13E-3.

ITEM 13.  FINANCIAL STATEMENTS.

         (a) The information set forth under the caption "SUMMARY--Selected
historical financial data" and the information set forth under the caption
"FINANCIAL STATEMENTS--SPIROS DEVELOPMENT CORPORATION II, INC." in the Proxy
Statement/Prospectus is incorporated herein by reference pursuant to General
Instruction F to Schedule 13E-3.

         (b) The information set forth under the caption "SUMMARY--Unaudited
pro forma condensed consolidated financial data" and the information set
forth under the caption "FINANCIAL STATEMENTS--UNAUDITED PRO FORMA CONDENSED
CONSOLIDATED FINANCIAL INFORMATION" in the Proxy Statement/Prospectus is
incorporated herein by reference pursuant to General Instruction F to
Schedule 13E-3.

ITEM 14.  PERSONS/ASSETS, RETAINED, EMPLOYED, COMPENSATED OR USED.

         (a) The information set forth under the caption "THE SPECIAL MEETING"
in the Proxy Statement/Prospectus is incorporated herein by reference pursuant
to General Instruction F to Schedule 13E-3.

         (b) Not applicable.

ITEM 15.  ADDITIONAL INFORMATION.

         (b) Not applicable.

ITEM 16.  EXHIBITS.

         (a)(1)-(5) The Proxy Statement/Prospectus included within the SEC
Registration Statement on Form S-4 of Dura filed with the SEC on April 25,
2000 (incorporated herein by reference to Dura's Registration Statement on
Form S-4 filed with the SEC on April 25, 2000).

         (b) Not applicable.

         (c) Opinion of SG Cowen Securities Corporation dated March 20, 2000
(incorporated herein by reference to Annex B to the Proxy
Statement/Prospectus) and SG Cowen board presentation filed as exhibit 99.1
hereto and received by the special committee at its meeting on March 20, 2000
conformed to reflect comments made at or prior to the time of such meeting.
Opinion of Merrill Lynch Pierce Fenner & Smith Incorporated dated March 20,
2000 (incorporated herein by reference to Annex C to the Proxy
Statement/Prospectus) and Merrill Lynch board presentation filed as exhibit
99.2 hereto.

         (d) Not applicable.

                                       6
<PAGE>


         (f) The Proxy Statement/Prospectus included within the Registration
Statement on Form S-4 of Dura filed with the SEC on April 25, 2000
(incorporated herein by reference to Dura's Registration Statement on Form
S-4 filed with the SEC on April 25, 2000).

         (g) Not applicable.

                                       7
<PAGE>


                                   SIGNATURES


         After due inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.

                           DURA PHARMACEUTICALS, INC.


                           By: /s/ John R. Cook
                               ------------------------------------------------
                               Name:  John R. Cook
                               Title: Vice President, Associate General Counsel
                                      and Secretary
                               Dated: April 25, 2000



<PAGE>

                                                                   CONFIDENTIAL

PROJECT SURF

FAIRNESS OPINION PRESENTATION TO THE
SPECIAL COMMITTEE OF THE BOARD OF DIRECTORS

March 20, 2000


SG COWEN                                                                  SG

SG Cowen board presentation received by the special committee at its meeting
on March 20, 2000, conformed to reflect comments made at or prior to the time
of such meeting.



<PAGE>

PROJECT
 SURF
                   -----------------------------------------------------------

                   INTRODUCTION

                   THE FOLLOWING MATERIALS WERE PREPARED SOLELY FOR DISCUSSION
                   AT THE MEETING OF THE SPECIAL COMMITTEE OF THE BOARD OF
                   DIRECTORS OF SURF ("COMPANY") SCHEDULED FOR MARCH 20, 2000.

                   IN PREPARING THIS PRESENTATION, WE HAVE, WITH YOUR CONSENT,
                   RELIED UPON INFORMATION PROVIDED BY SURF, DUNE AND OTHER
                   PUBLICLY AVAILABLE INFORMATION. WE HAVE NOT INDEPENDENTLY
                   VERIFIED ANY OF SUCH INFORMATION, AND HAVE RELIED ON IT
                   BEING COMPLETE AND ACCURATE IN ALL MATERIAL RESPECTS.

                   PLEASE NOTE THAT THIS PRESENTATION IS BASED ON THE BUSINESS
                   AND OPERATIONS OF SURF AND DUNE AS REPRESENTED TO US AS OF
                   THE DATE HEREOF, AND DOES NOT PURPORT TO TAKE INTO
                   CONSIDERATION ANY INFORMATION OR EVENTS ARISING SUBSEQUENT
                   TO SUCH DATE. SG COWEN MAKES NO REPRESENTATION OR WARRANTY
                   THAT THERE HAS BEEN NO MATERIAL CHANGE IN THE INFORMATION
                   PROVIDED OR REVIEWED BY US IN CONNECTION HEREWITH.

                   THE INFORMATION CONTAINED HEREIN IS CONFIDENTIAL AND HAS
                   BEEN PREPARED EXCLUSIVELY FOR THE BENEFIT AND USE OF THE
                   SPECIAL COMMITTEE OF THE BOARD OF DIRECTORS OF THE COMPANY
                   IN ITS CONSIDERATION OF THE PROPOSED TRANSACTION, AND MAY
                   NOT BE USED FOR ANY OTHER PURPOSE OR REPRODUCED,
                   DISSEMINATED, QUOTED OR REFERRED TO AT ANY TIME, IN ANY
                   MANNER OR FOR ANY PURPOSE WITHOUT OUR PRIOR WRITTEN CONSENT.
                   THIS PRESENTATION IS NOT FOR THE BENEFIT OF, AND DOES NOT
                   CONVEY ANY RIGHTS OR REMEDIES TO, ANY HOLDER OF SECURITIES
                   OF THE COMPANY OR ANY OTHER PERSON.

                   THIS PRESENTATION IS SUBJECT TO THE ASSUMPTIONS,
                   QUALIFICATIONS AND LIMITATIONS SET FORTH HEREIN AND IN THE
                   FORM OF OUR FAIRNESS OPINION LETTER, INCLUDED AS AN APPENDIX
                   TO THIS PRESENTATION, AND DOES NOT CONSTITUTE A
                   RECOMMENDATION BY SG COWEN TO THE SPECIAL COMMITTEE OF THE
                   BOARD OF DIRECTORS OR SHAREHOLDERS OF THE COMPANY ON HOW TO
                   VOTE WITH RESPECT TO THE PROPOSED TRANSACTION.

SG
<PAGE>

PROJECT
 SURF
                   -----------------------------------------------------------
                   TABLE OF CONTENTS

                   1.   EXECUTIVE SUMMARY

                   2.   SURF OVERVIEW

                   3.   DUNE OVERVIEW

                   4.   VALUATION CONSIDERATIONS


SG                                                                           1
<PAGE>

PROJECT
 SURF
                   -----------------------------------------------------------

                   EXECUTIVE SUMMARY



SG                                                                           2
<PAGE>

PROJECT
SURF
                                                             EXECUTIVE SUMMARY
                   -----------------------------------------------------------

                   TRANSACTION SUMMARY

STRUCTURE          -    Proposed acquisition of Surf

                          Merger
                          Purchase method of accounting

CONSIDERATION      -    Dune to pay, in the aggregate, approximately $100.8
                           million(a) on a fully-diluted basis consisting of:

                           $13.25 per Surf Callable Common Share in cash

                           Warrant to purchase shares of Dune common stock
                           valued at $2.50

WARRANT VALUE      -    For each share of Surf Callable Common Stock,
                        shareholders will receive one warrant
                        ("Warrant") representing the right to purchase a
                        certain fraction of a share of Dune common stock

                           Exercise price of Warrant will be calculated as the
                           average closing price of Dune common stock for the
                           10 consecutive trading days ending on and including
                           the day prior to the public announcement of the
                           transaction terms (the "Measurement Price")
                           multiplied by 1.25

                           Conversion ratio based on Black-Scholes Option
                           Valuation Model with a 65% volatility factor, a 60
                           month term, and a risk free rate which is equal to
                           the 5 year U.S. Treasury Note

                           A fixed exchange ratio collar of 20% around the
                           Measurement Price

                           -   If the average closing price of Dune common
                               stock for the 10 consecutive trading days
                               ending on the day prior to closing (the "Closing
                               Price") is at least 20% greater than or at least
                               20% less than the Measurement Price (the "Collar
                               Range"), the warrant value will be fixed while
                               the exchange ratio will fluctuate

                           -   As of March 16, 2000, this collar will allow the
                               warrant value to fluctuate between $1.81 and
                               $3.22


              (a)  Based on Treasury Method calculation which includes 6.325
                   million Surf Callable Common shares outstanding per Surf
                   Form 10-Q for the period ended September 30, 1999 and 0.737
                   million options outstanding at a weighted average exercise
                   price of $14.13 per Surf management as of March 14, 2000

SG                                                                           3
<PAGE>

PROJECT
 SURF                                                        EXECUTIVE SUMMARY
                   -----------------------------------------------------------
                   TRANSACTION SUMMARY (CONTINUED)

<TABLE>
<CAPTION>


ILLUSTRATIVE WARRANT           WARRANT VALUATION (BLACK-SCHOLES METHODOLOGY)
VALUATION                      (Per share data in US$)

                               Parameter                                         Value
                               -----------------------------------------------------------
                               <S>                                           <C>
                               Dune Stock Price (a)                              $14.53
                               Exercise Price (b)                                $18.16
                               Risk-free Rate (c)                                 6.457%
                               Assumed Volatility (d)                              65.0%
                               Years to Expiration                                  5.0
                               Type of Option                                American Style

                               ------------------------------------------------------------
                               WARRANT VALUE                                      $8.08
                               ------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                               CONVERSION RATIO ANALYSIS
                               (Per share data in US$)

                               Item                                              Value
                               ------------------------------------------------------------
                               <S>                                               <C>
                               Warrant Value                                     $8.08

                               Value Offered                                     $2.50

                               Conversion Ratio (e)                               0.3096

                               ------------------------------------------------------------
                               MAXIMUM DUNE SHARES ISSUED (f)                     1.981
                               ------------------------------------------------------------
                               PRO FORMA OWNERSHIP                                4.169%
</TABLE>

ILLUSTRATIVE COLLAR
ANALYSIS

<TABLE>
<CAPTION>
                              COLLAR ANALYSIS
                              (Per share data in US$)

                                                                        Dune Stock Price at Closing
                              -----------------------------------------------------------------------------------------------------
                              $6.00    $8.00    $10.00    $11.63    $13.08   $14.53 (a)  $15.98   $17.44   $19.00   $21.00  $23.00
                              -----------------------------------------------------------------------------------------------------
                              <S>      <C>      <C>       <C>       <C>      <C>         <C>      <C>      <C>      <C>     <C>
Premium / (Discount)          (58.7)%  (44.9)%  (31.2)%   (20.0)%   (10.0)%   0.0%       10.0%    20.0%    30.8%    44.5%    58.3%
Warrant Value per Dune Share   $2.09    $3.32   $4.68     $5.85     $6.95    $8.08       $9.23    $10.42   $11.71   $13.40   $15.12
Conversion Ratio               0.8652   0.5454  0.3872    0.3096    0.3096   0.3096      0.3096   0.3096   0.2753   0.2406   0.2132
Warrant Value per Surf Share   $1.81    $1.81   $1.81     $1.81     $2.15    $2.50       $2.86    $3.22    $3.22    $3.22    $3.22
</TABLE>


                   (a) Represents the average stock price for Dune Common Stock
                       for the last ten consecutive trading days, ending on and
                       including March 16, 2000
                   (b) Based on a 25% premium to the Dune Stock Price
                   (c) Source: Bloomberg as of March 16, 2000; represents yield
                       on 5 year U.S. Treasury Note
                   (d) The implied volatility for Dune as of March 16, 2000 as
                       per Bloomberg is 73.1% and the 5-year historical
                       volatility for Dune as of February 29, 2000 as per
                       Bloomberg is 59.8%; the 65% volatility in the warrant
                       valuation is as set forth in the Merger Agreement
                   (e) Determined by dividing $2.50 by $8.08; represents
                       the number of Dune Common Stock shares each warrant
                       is convertible into upon exercise
                   (f) Assumes all warrants are exercised and no effect from
                       the Treasury Method

SG                                                                             4
<PAGE>

PROJECT
 SURF
                                                             EXECUTIVE SUMMARY
                   -----------------------------------------------------------
                   TRANSACTION SUMMARY (CONTINUED)

                   -  Merger shall be terminated by:
                        Mutual written consent of both parties

                        By either party if:
                        -  Merger has not closed on or before September 30, 2000
                        -  One party breaches the Agreement and Plan of Merger
                           in a manner which would prevent it from satisfying
                           its closing conditions
                        -  Any governmental entity prohibits the consummation
                           of the Transaction

                        By the Company if:
                        - Surf Board of Directors has received an offer which
                          is deemed by the Special Committee to constitute a
                          proposal that is superior, from a financial point of
                          view, and the Special Committee has promptly notified
                          Dune of such proposal

                   -  Surf shall not initiate or solicit alternative acquisition
                      or merger proposals

                          Should the Company receive, on an unsolicited basis, a
                          written proposal which is deemed by the Special
                          Committee to be superior, from a financial point of
                          view, Surf shall promptly notify Dune of such proposal


SG                                                                           5
<PAGE>

PROJECT
 SURF
                                                               EXECUTIVE SUMMARY
                   -------------------------------------------------------------

                   TRANSACTION SUMMARY (CONTINUED)


                   -    Fees and Expenses

                           All costs and expenses incurred in connection with
                           this Agreement and the consummation of the
                           Transaction shall be paid by the party incurring
                           such expenses

                   -    Farallon Capital Management LLC ("Farallon"), which
                        owns approximately 19.5%(a) of Surf's Callable Common
                        Shares outstanding, has agreed to vote in favor of the
                        transaction

                   -    Proposed transaction conditional upon, among other
                        things:

                           Dune shall not have entered into any agreement for
                           an acquisition proposal, as defined in the Agreement

                           Warrants have been approved for listing on the Nasdaq
                           National Market

                           Expiration of HSR waiting period, if necessary

                           Surf shareholder approval of:

                           -   Dune, as the sole holder of Surf Special Common
                               Stock; and

                           -   At least 50% of the holders of the Company
                               outstanding callable common shares


                   (a)  According to Form 13D filed January 11, 2000, Farallon
                        owns approximately 1.374 million Surf Callable Common
                        shares; for Surf, assumes 7.062 million fully-diluted
                        shares outstanding which is based on 6.325 million
                        Callable Common shares outstanding per Form 10-Q for
                        the period ended September 30, 1999, 0.737 million
                        options outstanding per Surf management as of March 14,
                        2000, and no effect from the Treasury Method

SG                                                                           6
<PAGE>

PROJECT
 SURF
                                                               EXECUTIVE SUMMARY
                     -----------------------------------------------------------

                     TRANSACTION OVERVIEW

PRICE PER UNIT
                     IMPLIED PREMIUM / (DISCOUNT) ANALYSIS
PRICE PER SHARE OF   (PER SHARE DATA IN US$)
CALLABLE COMMON
STOCK

<TABLE>
<CAPTION>
                                                                                                  IMPLIED PREMIUM / (DISCOUNT)
                                                                                          ---------------------------------------
                                                                             SURF            DUNE ORIGINAL       DUNE NEGOTIATED
                                                                      SHARE / UNIT PRICE     OFFER OF $12.50     OFFER OF $15.75
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                                                   <C>                    <C>                 <C>
Initial Offering Price - Units (December 17, 1997) (a)                        $16.00             (21.9)%              (1.6)%

Initial Offering Price Range - Callable Common Stock
(December 17, 1997) (b)                                                  $12.00 - $14.00      4.2% - (10.7)%       31.3% - 12.5%

Closing Price on February 11, 2000 - 1 Day Prior (c)                          $11.63               7.5%               35.5%

Closing Price on February 4, 2000 - 1 Week Prior (c)                          $11.00              13.6%               43.2%

Closing Price on January 14, 2000 - 1 Month Prior (c)                         $10.25              22.0%               53.7%

10-Day Average (d)                                                            $10.43              19.9%               51.1%

Last 20 Days High (c)                                                         $12.13               3.1%               29.9%

Last 20 Days Low (c)                                                           $8.94              39.9%               76.2%

Last 40 Days High (c)                                                         $12.13               3.1%               29.9%

Last 40 Days Low (c)                                                           $5.00             150.0%              215.0%

LTM High (e)                                                                  $12.13               3.1%               29.9%

LTM Low (a)(e)                                                                 $4.38             185.7%              260.0%
</TABLE>


                   (a)  Represents combined price of Surf Callable Common Stock
                        and Dune Warrant
                   (b)  Assumes a $12.00 to $14.00 offering price for the
                        Callable Common Stock of Surf, based on a warrant
                        valuation range of $2.00 to $4.00; $2.00 warrant
                        valuation derived from Note 6 of Dune's Annual Report
                        filed on Form 10-K which disclosed a fair market value
                        for the warrants of $12.7MM; $4.00 warrant valuation
                        provided by Surf management
                   (c)  Represents closing price prior to Dune's announcement
                        on February 14, 2000 to acquire all the outstanding
                        shares of Surf Callable Common Stock for $12.50 per
                        share in cash
                   (d)  Represents the average stock price for Surf Callable
                        Common Stock for the last ten consecutive trading days
                        prior to Dune's announcement on February 14, 2000 to
                        acquire all the outstanding Surf Callable Common Stock
                        for $12.50 per share in cash
                   (e)  Last Twelve Months ended February 11, 2000, which was
                        the last trading day prior to Dune's announcement of
                        Dune's original offer to acquire all the outstanding
                        Surf Callable Common Stock for $12.50 per share in cash


SG                                                                           7
<PAGE>

PROJECT
 SURF
                                                               EXECUTIVE SUMMARY
                   -------------------------------------------------------------
                   TRANSACTION OVERVIEW (CONTINUED)

<TABLE>
<CAPTION>
                   OVERVIEW OF DISCOUNTED CASH FLOW ANALYSIS (a)
                   (PER SHARE DATA IN US$)

                                                                                                       RANGE OF DISCOUNT RATES
                                                                       ------------------------------------------------------------
                                                                            25.0%       27.5%       30.0%       32.5%      35.0%
                   ---------------------------------------------------------------------------------------------------------------
                   <S>                                                   <C>          <C>         <C>         <C>         <C>
                   Implied Equity Value per Share Based on: (b)

                   Discounted Cash Flow - Theoretical Analysis (c)        $24.14      $18.62      $14.35      $11.00      $8.35

                   Discounted Cash Flow - Royalty Analysis (c)

                             20.0%                                        $20.21      $17.65      $15.59      $13.92     $12.54
                             17.5%                                         18.12       15.85       14.03       12.56      11.35
                             15.0%                                         16.02       14.05       12.48       11.20      10.15
</TABLE>


                   (a)  Projections provided by Surf management
                   (b)  Implied equity value per share based on Treasury Method
                        calculation which includes 6.325 million Surf Callable
                        Common shares outstanding per Surf Form 10-Q for the
                        period ended September 30, 1999 and 0.737 million
                        options outstanding at a weighted average exercise
                        price of $14.13 per Surf management as of
                        March 14, 2000
                   (c)  Cash flows discounted back to March 31, 2000; assumes
                        Surf receives benefit of NOL's

SG                                                                           8
<PAGE>

PROJECT
 SURF
                                                               EXECUTIVE SUMMARY
                   -------------------------------------------------------------
                   TRANSACTION OVERVIEW (CONTINUED)

<TABLE>
<CAPTION>
                   IMPLIED PREMIUMS TO SURF STOCK PRICE (a)
<S><C>
                        1 DAY PRIOR (b)(c)             20-DAY AVERAGE (b)(c)
                   -------------------------------------------------------------
                            [GRAPH]                           [GRAPH]

                   Dune Offer ($15.75)   35.5%       Dune Offer ($15.75)   56.0%
                   Global Median          7.2%       Global Median          7.3%
                   Negotiated Median     58.2%       Negotiated Median     60.9%
                   Global Mean           25.8%       Global Mean           28.6%
                   Negotiated Mean       47.6%       Negotiated Mean       52.8%


                                       20-DAYS PRIOR (b)(c)
                                    ---------------------------
                                              [GRAPH]

                                    Dune Offer ($15.75)   53.7%
                                    Global Median          8.3%
                                    Negotiated Median     49.7%
                                    Global Mean           31.4%
                                    Negotiated Mean       56.7%
</TABLE>


                   (a)  Premiums analysis for 1 Day Prior, 20-Day Average, and
                        20-Days Prior based on Surf's closing price on
                        February 11, 2000, the average of Surf's closing prices
                        from January 14, 2000 to February 11, 2000, and Surf's
                        closing price on January 14, 2000, respectively
                   (b)  For precedent transactions, premiums analysis based on
                        the closing target company stock price one day prior to
                        announcement, the average of the closing target company
                        stock prices 20 trading days prior to announcement,
                        and the target company stock price 20 trading days prior
                        to announcement
                   (c)  Premiums analysis excludes Centocor / Tocor transaction
                        announced June 20, 1991


SG                                                                           9

<PAGE>

PROJECT
 SURF
                                                               EXECUTIVE SUMMARY
                   -------------------------------------------------------------

                   NEXT STEPS AND TIMING


                   NEXT STEPS AND TIMING
                   -------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                 APPROXIMATE TIMING
                   EVENT                                                             WEEK(S) OF
                   --------------------------------------------------------------------------------------------------------------
                   <S>                                                         <C>
                   Execute Definitive Agreement and Announcement                      March 20

                   Prepare Proxy Statement / Prospectus                               March 20

                   Results of Surf Audit to be Delivered to the
                      Special Committee of the Board of Directors                     March 27

                   File Proxy Statement / Prospectus                                   April 2

                   Receive SEC Clearance                                       Late April / Early May

                   Mail Proxy to Shareholders                                          Mid May

                   Surf Special Meeting to Vote and Approve the Merger                Late June

                   Closing                                                            Late June
</TABLE>


SG                                                                          10
<PAGE>

PROJECT
 SURF
                   -----------------------------------------------------------

                   TRANSACTION CONSIDERATIONS


SG                                                                           11
<PAGE>

PROJECT
 SURF

                                                    TRANSACTION CONSIDERATIONS
                   -----------------------------------------------------------

                   MANAGEMENT'S POTENTIAL RISKS FOR SURF STAND-ALONE


                   -    Financing

                           According to management's proposed budget for FY2000,
                           the Company is projected to run out of money during
                           the fourth quarter of FY2000

                           In order to complete the development of its products,
                           Surf management estimates the Company will require
                           approximately $166 million of additional investment
                           capital

                   -    Further delays in the Company's clinical timeline

                           Surf management believes commercialization of either
                           BECLOMETHASONE or BUDESONIDE could be further delayed
                           and increased investments could be incurred should
                           the FDA require Surf to perform additional
                           reliability studies on SURF-TM-

                   -    Implementation of two piece cassette in SURF-TM-

                           There are no assurances that development of the two
                           piece cassette will be completed according to the
                           product launch schedule estimated in management's
                           current projections

                   -    Dune Product Purchase Option

                           Under the terms of the ALBUTEROL AND PRODUCT OPTION
                           AGREEMENT, Dune has the option to acquire Surf's
                           rights to the use of SURF-TM- with either
                           BECLOMETHASONE or BUDESONIDE


SG                                                                          12
<PAGE>

PROJECT
 SURF
                                                    TRANSACTION CONSIDERATIONS
                   -----------------------------------------------------------

                   EVALUATION OF PRODUCT PURCHASE OPTION

                   EVALUATION OF PRODUCT PURCHASE OPTION(a)
                   (US$ IN MILLIONS, EXCEPT PER SHARE DATA)
<TABLE>
<CAPTION>

                   AS OF DECEMBER 31, 1999                                   BECLOMETHASONE                BUDESONIDE
                   ---------------------------------------------------------------------------------------------------------
                   <S>                                                       <C>                          <C>
                   Product Specific Development Costs                             $21.6                        $6.5
                   Platform Development and Clinical Supply Readiness               4.5                         1.3
                   Project Management Fee                                           0.9                         0.3
                   Market Development Research                                      2.9                         0.9
                   Management Fee                                                   6.9                         2.1
                                                                             ---------------              --------------
                                                                                   36.7                        11.1

                   Initial Investment                                            $170.0                      $170.0
                     Interest Income                                               13.8                        13.8
                                                                             ---------------              --------------
                   Total Initial Investment                                       183.8                       183.8

                   Buyback Ratio                                                   20.0%                        6.0%
                   Exercise Price at End of CY2001 (b)                            $36.76                      $36.76

                   Buyback Price per Share                                         $7.34                       $2.21
                     Shares Outstanding (c)                                         6.401                       6.401
                                                                             ---------------              --------------
                       TOTAL BUYBACK PRICE                                        $47.0                       $14.1
</TABLE>


                   (a)  Source:  Surf management
                   (b)  Source:  Surf IPO prospectus as of December 17, 1997
                   (c)  Based on Treasury Method calculation which includes
                        6.325 million Surf Callable Common shares outstanding
                        per Surf Form 10-Q for the period ended
                        September 30, 1999 and 0.737 million options
                        outstanding at a weighted average exercise price of
                        $14.13 per Surf management as of March 14, 2000


SG                                                                           13
<PAGE>

PROJECT
 SURF
                                                    TRANSACTION CONSIDERATIONS
                   -----------------------------------------------------------



SG                                                                          14

<PAGE>

PROJECT
 SURF
                   -----------------------------------------------------------




                   SURF OVERVIEW



SG                                                                           15

<PAGE>

PROJECT                                                          SURF OVERVIEW
SURF               -----------------------------------------------------------

                   BUSINESS OVERVIEW


                   -    Surf went public in December 1997, and focuses on the
                        development of a dry powder pulmonary drug delivery
                        system (SURF-TM-) as well as certain specified asthma
                        and chronic obstructive pulmonary disease (COPD) drugs
                        for use with the system

                   -    As of January 1, 2000, the Surf Units originally offered
                        to the public on December 17, 1997 split into two
                        publicly traded securities; a warrant to purchase one
                        quarter of one share of Dune Common Stock with an
                        exercise price of $54.84 and Surf Callable Common Stock

                           Through its ownership of Surf Special Shares, Dune
                           has the right to purchase the Surf Callable Common
                           Stock

                           -  Range of exercise prices increases quarterly
                              beginning January 1, 2000 in which Dune may
                              purchase Surf Callable Common Stock for $25.26
                              per share


                   MARKET

                   -    1998 estimated US combined market for inhaled
                        therapeutic drugs to treat asthma and COPD was
                        $2.1 billion (a)


                   PRODUCTS

                   -    Surf currently has two selected products in development
                        for use with the SURF DELIVERY SYSTEM:

                           BECLOMETHASONE - Steroid used to treat the
                           inflammatory component of asthma and certain symptoms
                           of COPD. Currently, management expects product launch
                           in Q4 2001

                           BUDESONIDE - Second generation steroid used to treat
                           the inflammatory component of asthma. Currently,
                           management expects product launch in Q4 2002

                   (a)  Source:  Surf Form 10-K for the period ended
                        December 31, 1998


SG                                                                           16
<PAGE>

PROJECT                                                          SURF OVERVIEW
SURF               -----------------------------------------------------------


<TABLE>
<CAPTION>
                   MANAGEMENT AND BOARD OF DIRECTORS (a)

                   EXECUTIVE OFFICERS

                   NAME                             POSITION
                   -----------------------------------------------------------
                   <S>                              <C>
                   David S. Kabakoff                Chairman of the Board of Directors, President, and Chief Executive Officer
                   Erle T. Mast                     Vice President and Chief Financial Officer

<CAPTION>
                   BOARD OF DIRECTORS (b)

                   NAME                         AGE     POSITION
                   ------------------------------------------------------------------------------------------------------------
                   <S>                           <C>    <C>
                   SOL LIZERBRAM, RPH, D.O.      51     CHAIRMAN OF THE BOARD OF DIRECTORS OF HEALTHFUSION.COM
                   WILLIAM H. RASTETTER, PH.D    51     CHAIRMAN OF THE BOARD OF DIRECTORS, PRESIDENT AND CEO OF IDEC
                                                        PHARMACEUTICALS
                   ALAIN B. SCHREIBER, M.D.      43     PRESIDENT, CHIEF EXECUTIVE OFFICER, AND DIRECTOR OF VICAL, INC.
                   Cam L. Garner                 50     Chairman of the Board of Directors and Chief Executive Officer of Dune
                   David S. Kabakoff             51     Chairman, President, Chief Executive Officer of Surf and President,
                                                        Dune Technologies
</TABLE>

(a)   Source: Proxy statement mailed to shareholders on May 19, 1999
(b)   Bold/italics denotes Special Committee member


SG                                                                          17
<PAGE>

PROJECT                                                          SURF OVERVIEW
SURF               -----------------------------------------------------------


                   SUMMARY OWNERSHIP PROFILE

                   OWNERSHIP BY MAJOR CLASSIFICATION AS OF DECEMBER 31, 1999

<TABLE>
<CAPTION>

                   OFFICER / DIRECTOR OWNERSHIP (a)
                   <S>                                           <C>                <C>
                        David S Kabakoff                             81,660            1.2%
                        Erle T. Mast                                 22,000            0.3%
                        Cam L. Garner                                13,250            0.2%
                        Sol Lizerbram                                10,000            0.1%
                        William H. Rastetter                         10,000            0.1%
                        Alan B. Schrelber                            10,000            0.1%
                                                                 ----------         -------
                                                                    146,910            2.1%

                   13F FILING INSITUTIONS
                      GREATER THAN 5% HOLDERS
                        Farallon Capital Management LLC(b)        1,374,400          19.5%
                        Elan International Services (c)             937,500          13.3%
                        HBK Investments LP (d)                      935,400          13.2%
                        Lehman Brothers Holdings(e)                 441,400           6.3%
                                                                 ----------        -------
                                                                  3,688,700          52.2%

                        State Street Research and Management(f)     331,200           4.7%
                      TOTAL INSTITUTIONAL HOLDERS                 4,019,900          56.9%

                   OTHER HOLDERS                                  2,894,690          41.0%

                   -----------------------------------------------------------------------
                   TOTAL SHARES OUTSTANDING (G)                   7,061,500         100.0%
                   -----------------------------------------------------------------------
                   -----------------------------------------------------------------------
</TABLE>

                                 [GRAPH]

<TABLE>
<S>                                                  <C>
                   Other Holders                     41.0%
                   Total Officers & Directors         2.1%
                   Total Institutional Ownership     56.9%
</TABLE>


                   (a)  Source:  Proxy Statement mailed to shareholders on
                        May 19, 1999
                   (b)  Source:  Surf Form 13D filed January 11, 2000
                   (c)  Source:  Surf Form 13D/A filed March 12, 1998
                   (d)  Source:  Surf Form 13D filed February 16, 2000
                   (e)  Source:  Surf Form 13G/A filed February 12, 1999
                   (f)  Source:  Surf Form 13G filed February 9, 1999
                   (g)  Based on 6.325 million Callable Common shares
                        outstanding per Form 10-Q for the period ended
                        September 30, 1999 and 0.737 million options
                        outstanding per Surf management as of March 14,
                        2000; excludes 1,000 Special Shares owned by Dune


SG                                                                        18
<PAGE>

PROJECT                                                          SURF OVERVIEW
SURF               -----------------------------------------------------------


OVER THE LAST TWELVE MONTHS, THE SURF UNITS AND THE SHARES OF CALLABLE COMMON
STOCK HAVE TRADED TO A HIGH OF $13.00 ON FEBRUARY 18, 2000 (CALLABLE COMMON
STOCK), A LOW OF $4.38 ON NOVEMBER 2, 1999 (UNIT), AND ON MARCH 16, 2000,
SURF CALLABLE COMMON STOCK CLOSED AT $12.56

                   HISTORICAL STOCK PRICE PERFORMANCE (a)


                                   LATEST TWELVE MONTHS (b)


                                           [GRAPH]


                   (a)  On January 1, 2000, Surf Units separated into two
                        publicly traded securities: one publicly-traded
                        security which represents Surf Callable Common Stock
                        and one publicly-traded security which represents a
                        warrant to purchase one quarter of one share of
                        Dune Common Stock; all stock price data prior to
                        January 1, 2000 represents the price per Surf Unit as
                        reported by Factset; on or after January 1, 2000, all
                        stock price data represents the price per Surf Callable
                        Common share as reported by Factset
                   (b)  Stock price data as of March 16, 2000
                   (c)  A Unit includes one share of Surf Callable Common
                        Stock and a warrant to purchase one-fourth of one share
                        of Dune Common Stock; after January 1, 2000 unit price
                        is based on price per Surf Callable Common share as
                        reported by Factset plus price of Dune warrant as
                        reported by Factset

                                                                          19

SG

<PAGE>

PROJECT                                                          SURF OVERVIEW
SURF               -----------------------------------------------------------

                   HISTORICAL STOCK PRICE PERFORMANCE (a)


SINCE THE COMPANY'S OFFERING OF UNITS ON DECEMBER 17, 1997, THE UNITS AND THE
SHARES OF CALLABLE COMMON STOCK HAVE TRADED TO A HIGH OF $19.00 ON JANUARY
22, 1998 (UNIT), A LOW OF $4.38 ON NOVEMBER 2, 1999 (UNIT), AND ON MARCH 16,
2000, SURF CALLABLE COMMON STOCK CLOSED AT $12.56


                               SINCE SURF INITIAL PUBLIC OFFERING (b)

                   (a)  On January 1, 2000, Surf Units separated into two
                        publicly traded securities: one publicly-traded
                        security which represents Surf Callable Common Stock
                        and one publicly-traded security which represents a
                        warrant to purchase one quarter of one share of
                        Dune Common Stock; all stock price data prior to
                        January 1, 2000 represents the price per Surf Unit as
                        reported by Factset; on or after January 1, 2000, all
                        stock price data represents the price per Surf Callable
                        Common share as reported by Factset
                   (b)  Stock price data as of March 16, 2000
                   (c)  A Unit includes one share of Surf Callable Common
                        Stock and a warrant to purchase one-fourth of one share
                        of Dune Common Stock; after January 1, 2000 unit price
                        is based on price per Surf Callable Common share as
                        reported by Factset plus price of Dune warrant as
                        reported by Factset


SG                                                                           20
<PAGE>


PROJECT                                                         SURF OVERVIEW
SURF ------------------------------------------------------------------------


HISTORICAL STOCK PRICE PERFORMANCE


DURING THE LAST TWELVE MONTHS, SURF HAS UNDERPERFORMED ITS PEER GROUP AND THE
NASDAQ COMPOSITE

SURF VS. SELECTED INDICES--LATEST TWELVE MONTHS(a)


                                     [GRAPH]


(a)  Stock price data as of March 16, 2000; on January 1, 2000, Surf Units
     separated into two publicly traded securities: one publicly-traded
     security which represents Surf Callable Common Stock and one
     publicly-traded security which represents a warrant to purchase one
     quarter of one share of Dune Common Stock; all stock price data prior
     to January 1, 2000 represents the price per Surf Unit as reported by
     Factset; on or after January 1, 2000, all stock price data represents
     the price per Surf Callable Common share as reported by Factset

(b)  Emerging Drug Delivery Companies Index includes:  ALKS, ARDM, CIMA,
     EMIS, INHL, NOVN, NSTA


SG


                                       22


<PAGE>


PROJECT                                                         SURF OVERVIEW
SURF ------------------------------------------------------------------------


FINANCIAL REVIEW


SG


                                       23


<PAGE>


PROJECT                                                         SURF OVERVIEW
SURF ------------------------------------------------------------------------


                         PROJECTED REVENUE GROWTH(a)


                                   [GRAPH]


<TABLE>
<S>                  <C>      <C>     <C>      <C>       <C>       <C>       <C>
(US$ in millions)
                     2001P    2002P    2003P    2004P     2005P     2006P     2007P
Budesonide                    $12.9   $108.4   $168.4    $219.5    $271.5    $322.6
Beclomethasone        $6.1    $30.3    $68.2    $88.9    $101.7    $116.4    $130.6
                     --------------------------------------------------------------
         Total        $6.1    $43.1   $176.6   $257.3    $321.2    $387.9    $453.2

</TABLE>


(a)      Source: Surf management as of February 17, 2000


SG


                                       24

<PAGE>


PROJECT                                                         SURF OVERVIEW
SURF ------------------------------------------------------------------------


FINANCIAL REVIEW


 HISTORICAL AND PROJECTED FINANCIAL INFORMATION

 (US$ IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                  HISTORICAL(A)    EST.(B)                              PROJECTED (B)
                                 ---------------- --------- -----------------------------------------------------------------------
FISCAL YEAR ENDING DECEMBER 31,   1997(C)   1998     1999      2000      2001     2002     2003    2004     2005     2006     2007
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                              <C>      <C>      <C>      <C>       <C>       <C>      <C>     <C>      <C>      <C>      <C>
REVENUES
    Beclomethasone                 $0.0     $0.0     $0.0      $0.0      $6.1    $30.3    $68.2   $88.9   $101.7   $116.4   $130.6
    Budesonide                      0.0      0.0      0.0       0.0       0.0     12.9    108.4   168.4    219.5    271.5    322.6
                                 -------  -------  -------  --------  --------  -------  ------  -------  -------  -------  -------
      TOTAL REVENUES               $0.0     $0.0     $0.0      $0.0      $6.1    $43.1   $176.6  $257.3   $321.2   $387.9   $453.2

      TOTAL REVENUE GROWTH           NM       NM       NM        NM        NM    611.6%  309.6%    45.7%    24.8%    20.8%    16.8%

GROSS PROFIT                       $0.0     $0.0     $0.0      $0.0      $4.6    $35.0   $149.2  $220.3   $276.4   $335.6   $394.0

GROSS MARGIN                         NM       NM       NM        NM      75.9%    81.2%   84.5%    85.6%    86.1%    86.5%    86.9%

OPERATING EXPENSES
    Selling, General and
      Administrative                0.1      1.0      2.0       6.0      22.3     81.6   107.7    104.8    107.7    114.9    119.6
    Research and Development (d)    7.0     50.8     39.5      45.6      48.1      7.6     0.0      0.0      0.0      0.0      0.0
    Technology Licensing Fee        0.0      0.0      2.0       2.0       2.0      2.2     8.8     12.9     16.1     19.4     22.7
    Other Operating Expenses        0.0      0.0     17.0      19.5      18.6      0.8     0.0      0.0      0.0      0.0      0.0
                                 -------  -------  -------  --------  --------  -------  ------  -------  -------  -------  -------
      Operating Income             (7.1)   (51.8)   (60.4)    (73.2)    (86.5)   (57.1)   32.6    102.6    152.7    201.3    251.8

      OPERATING INCOME MARGIN        NM       NM       NM        NM        NM       NM    18.5%    39.9%    47.5%    51.9%    55.6%

Interest and Other Income, Net     (0.2)    (8.2)    (5.3)      0.0       0.0      0.0     0.0      0.0      0.0      0.0      0.0
                                 -------  -------  -------  --------  --------  -------  ------  -------  -------  -------  -------
    PRE-TAX INCOME                 (6.9)   (43.6)   (55.1)    (73.2)    (86.5)   (57.1)   32.6    102.6    152.7    201.3    251.8
Provision for Taxes                 0.0      0.2      0.0       0.0       0.0      0.0    11.4     35.9     53.4     70.4     88.1
                                 -------  -------  -------  --------  --------  -------  ------  -------  -------  -------  -------
    NET INCOME                    ($6.9)  ($43.8)  ($55.1)   ($73.2)   ($86.5)  ($57.1)  $21.2    $66.7    $99.2   $130.8   $163.7
                                 =======  =======  =======  ========  ========  =======  ======  =======  =======  =======  =======
    NET MARGIN                       NM       NM       NM        NM        NM       NM    12.0%    25.9%    30.9%    33.7%    36.1%

Number of Shares Outstanding      6.325    6.325    6.325     6.325     6.325    6.325   6.325    6.325    6.325    6.325    6.325

Fully Diluted E.P.S.             ($1.09)  ($6.92)  ($8.71)  ($11.57)  ($13.67)  ($9.03)  $3.35   $10.54   $15.69   $20.68   $25.87

</TABLE>


(a)      Per Surf Form 10-K for the period ended December 31, 1998
(b)      Source:  Surf management
(c)      Represents operating performance from September 23, 1997 (date of
         inception) through December 31, 1997 per Surf Form 10-K for the
         period ended December 31, 1998
(d)      Projections exclude Albuterol Development Costs, New Project and
         System Enhancements, and Market Development Research


SG


                                       25
<PAGE>


PROJECT                                                         SURF OVERVIEW
SURF ------------------------------------------------------------------------


FINANCIAL REVIEW


VARIANCE ANALYSIS - PRODUCT REVENUES (a)

(US$ IN MILLIONS)

<TABLE>
<CAPTION>

                                                                                       Projected
                                                             ----------------------------------------------------------
FISCAL YEARS ENDED DECEMBER 31,              1998     1999     2000      2001      2002      2003      2004       2005
- -----------------------------------------------------------------------------------------------------------------------
<S>                                        <C>      <C>      <C>      <C>       <C>       <C>       <C>        <C>
CURRENT
   Albuterol                                 $0.0     $0.0     $0.0      $0.0      $0.0      $0.0      $0.0       $0.0
   Beclomethasone                             0.0      0.0      0.0       6.1      30.3      68.2      88.9      101.7
   Budesonide                                 0.0      0.0      0.0       0.0      12.9     108.4     168.4      219.5
   Ipratropium                                0.0      0.0      0.0       0.0       0.0       0.0       0.0        0.0
   Ipratropium / Albuterol Combination        0.0      0.0      0.0       0.0       0.0       0.0       0.0        0.0
                                           -------  -------  -------  --------  --------  --------  --------   --------
   TOTAL REVENUES                            $0.0     $0.0     $0.0      $6.1     $43.1    $176.6    $257.3     $321.2
                                           =======  =======  =======  ========  ========  ========  ========   ========
AT THE OFFERING
   Albuterol                                 $8.1    $28.8    $44.1     $62.8     $76.1     $99.9    $139.8     $170.3
   Beclomethasone                             0.0      7.0     41.9      60.6      65.9      71.7      78.0       84.8
   Budesonide                                 0.0      0.0      0.0      24.7      67.7      95.9     136.8      154.9
   Ipratropium                                0.0      0.0      0.0      13.6      28.5      38.9      47.2       49.5
   Ipratropium / Albuterol Combination        0.0      0.0      0.0       0.0      16.1      33.8      44.4       52.2
                                           -------  -------  -------  --------  --------  --------  --------   --------
   TOTAL REVENUES                            $8.1    $35.8    $85.9    $161.6    $254.4    $340.2    $446.2     $511.8
                                           =======  =======  =======  ========  ========  ========  ========   ========
VARIANCE
   Albuterol                                ($8.1)  ($28.8)  ($44.1)   ($62.8)   ($76.1)   ($99.9)  ($139.8)   ($170.3)
   Beclomethasone                             0.0     (7.0)   (41.9)    (54.5)    (35.7)     (3.5)     10.8       16.9
   Budesonide                                 0.0      0.0      0.0     (24.7)    (54.9)     12.5      31.6       64.6
   Ipratropium                                0.0      0.0      0.0     (13.6)    (28.5)    (38.9)    (47.2)     (49.5)
   Ipratropium / Albuterol Combination        0.0      0.0      0.0       0.0     (16.1)    (33.8)    (44.4)     (52.2)
                                           -------  -------  -------  --------  --------  --------  --------   --------
   TOTAL VARIANCE                           ($8.1)  ($35.8)  ($85.9)  ($155.6)  ($211.3)  ($163.6)  ($188.9)   ($190.6)
                                           =======  =======  =======  ========  ========  ========  ========   ========
</TABLE>

- -----------
(a) Source: Surf management

SG


                                                                            26
<PAGE>


PROJECT
SURF ------------------------------------------------------------------------


DUNE OVERVIEW


SG


                                                                            27
<PAGE>


PROJECT                                                          DUNE OVERVIEW
SURF -------------------------------------------------------------------------


BUSINESS OVERVIEW


- -    Dune develops and markets prescription pharmaceutical products for the
     treatment of allergies, asthma, pneumonia, and related respiratory
     conditions for the US respiratory market


MARKET

- -    Estimated size of targeted market for antihistamines, asthma / rhinitis
     therapies, cough / cold preparations and anti-infectives in 1998 was
     approximately $14 billion (a)

- -    Market size and fragmented nature as well as the identifiable base of
     physician prescribers allows Dune to achieve significant market penetration
     with a specialized sales force

     -    As of December 31, 1998, Dune had approximately 401 pharmaceuticals
          sales representatives nationwide


PRODUCTS

- -    Dune currently sells 11 prescription product lines and also owns a separate
     mail service pharmacy, Health Script Pharmacy Services

- -    SURF PULMONARY DRUG DELIVERY SYSTEM is currently under development which
     aerosolizes pharmaceuticals in a powder formulation for pulmonary delivery

     -    On behalf of Surf, Dune is developing certain drug applications which
          are currently used to treat respiratory conditions, including two
          steroids, BECLOMETHASONE and BUDESONIDE

     -    In September 1998, Dune announced an agreement with Eli Lilly to
          develop pulmonary delivery technology for insulin



(a) Source:  Dune Form 10-K for the period ended December 31, 1998

SG

                                                                            28
<PAGE>


PROJECT                                                          DUNE OVERVIEW
SURF -------------------------------------------------------------------------

BUSINESS OVERVIEW (CONTINUED)

 OVERVIEW OF DUNE PRODUCT LINES (a)

<TABLE>
<CAPTION>
PRODUCT CATEGORY        PRODUCT LINE                COMMENTS
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                     <C>                         <C>
Asthma and COPD         -  TORNALATE                -  APPLICATION: Bronchodilator for bronchial asthma and for reversible
                                                       bronchospasm

                                                    -  DELIVERY MECHANISM: Metered dose inhaler, solution for inhalation

 ....................................................................................................................................
Allergy, Cough and Cold -  ENTEX                    -  APPLICATION: Symptomatic relief of sinusitis, bronchitis, pharyngitis, and
                                                       coryza when these conditions are associated with nasal congestion and viscous
                                                       mucus in the lower respiratory tract

                                                    -  DELIVERY MECHANISM: Tablets and capsules

                                                    -  Originated from Procter & Gamble

                        -  NASALIDE / NASAREL       -  APPLICATION: Treatment of nasal symptoms of seasonal or perennial rhinitis

                                                    -  DELIVERY MECHANISM: Nasal solution

                                                    -  Originated from Syntex

 ....................................................................................................................................
Antibiotics             -  SEROMYCIN                -  APPLICATION: Treatment of active pulmonary and extrapulmonary tuberculosis

                                                    -  DELIVERY MECHANISM: Capsules, USP

                        -  FURADANTIN               -  APPLICATION: Treatment of urinary tract infections

                                                    -  DELIVERY MECHANISM: Oral suspension

                        -  CECLOR CD                -  APPLICATION: Treatment of mild / moderate bronchitis, pharyngitis and
                                                       tonsillitis infections

                                                    -  DELIVERY MECHANISM:  Extended release tablets

                                                    -  Originated from Eli Lilly

                        -  MAXIPIME                 -  APPLICATION: Treatment of pneumonia, urinary tract, skin structure and
                                                       abdominal infections

                                                    -  DELIVERY MECHANISM: Injection

                                                    -  Originated from Bristol-Myers Squibb

                        -  AZACTAM                  -  APPLICATION: Treatment of urinary tract, lower respiratory, skin structure,
                                                       abdominal and gynecologic infections, and septicemia

                                                    -  DELIVERY MECHANISM: Injection

                                                    -  Originated from Bristol-Myers Squibb

SG

                                                                            29
<PAGE>


                        -  CAPASTAT                 -  APPLICATION:  Treatment of pulmonary infections

                                                    -  DELIVERY MECHANISM: Injection

                                                    -  Originated from Eli Lilly

                        -  MYAMBUTOL                -  APPLICATION: Treatment of pulmonary tuberculosis

                                                    -  DELIVERY MECHANISM:  NA

                                                    -  Originated from American Home Products

 ....................................................................................................................................
</TABLE>

(a)  Source: Dune Form 10-K for the period ended December 31, 1998 and Dune
     website as of March 2000
                                                                            30
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

SUMMARY OWNERSHIP PROFILE

 OWNERSHIP BY MAJOR CLASSIFICATION AS OF DECEMBER 31, 1999
<TABLE>
<S>                                              <C>                 <C>
OFFICER / DIRECTOR OWNERSHIP (a)
   James C. Blair                                          270,900              0.6%
   Cam L. Garner                                           133,784              0.3%
   Joseph C. Cook, Jr.                                      72,999              0.2%
   Charles G. Smith                                         63,000              0.1%
   Gordon V. Ramseler                                       58,000              0.1%
   Julia Brown                                              51,727              0.1%
   Mitchel Woodbury                                         46,374              0.1%
   Herbert J. Conrad                                        34,000              0.1%
   David S. Kabakoff                                        27,809              0.1%
   David F. Hale                                            26,000              0.1%
   Charles W. Prettyman                                     15,896              0.0%
   Other                                                    76,142              0.2%
                                                 -----------------    --------------
                                                           876,631              1.9%

13F FILING INSTITUTIONS (b)
   Safeco Asset Management Co.                           2,668,300              5.9%
   American Intl Group Inc.                              2,458,300              5.4%
                                                 -----------------    --------------
                                                         5,126,600             11.3%

   OTHER INSTITUTIONAL HOLDERS                          25,432,715             55.8%
   TOTAL INSTITUTIONAL HOLDERS                          30,559,315             67.1%

OTHER HOLDERS                                           14,112,856             31.0%
- ------------------------------------------------------------------------------------
TOTAL SHARES OUTSTANDING (c)                            45,548,802            100.0%
- ------------------------------------------------------------------------------------
</TABLE>

                                   [Graph]

     Other Holders                                  31.0%
     Total Officers & Directors                      1.9%
     Total Institutional Ownership                  67.1%

(a)  Source: Proxy Statement as of May 20, 1999
(b)  Source: CDA/Spectrum as of December 31, 1999
(c)  Assumes 45,548,802 fully diluted shares outstanding for the three months
     ended December 31, 1999 as reported in the Dune Form 10-Q for the three
     month period ended September 30, 1999



                                                                            31
SG

<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                 HISTORICAL STOCK PRICE PERFORMANCE

DURING THE LAST TWELVE                           LATEST TWELVE MONTHS (a)
MONTHS, DUNE'S STOCK
PRICE HAS RANGED FROM A
HIGH OF $19.13 ON JANUARY                                [Graphic]
13, 2000 TO A LOW OF $9.75
ON JULY 26, 1999 AND
CLOSED AT $13.75 ON MARCH
16, 2000


(a)      Stock price data as of March 16, 2000



                                                                            32
SG

<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                 HISTORICAL STOCK PRICE PERFORMANCE

SINCE SURF'S CALLABLE                  SINCE SURF INITIAL PUBLIC OFFERING (a)
COMMON STOCK OFFERING
ON DECEMBER 17, 1997,
DUNE'S STOCK PRICE HAS
TRADED TO A HIGH OF $48.63                           [Graphic]
ON JANUARY 5, 1998, A LOW
OF $8.00 ON OCTOBER 9,
1998 AND CLOSED AT $13.75
ON MARCH 16, 2000


                                   (a)   Stock price data as of March 16, 2000


                                                                            33
SG

<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                HISTORICAL STOCK PRICE PERFORMANCE

DURING THE LAST TWELVE    DUNE VS. SELECTED INDICES - LATEST TWELVE MONTHS (a)
MONTHS, DUNE HAS
UNDERPERFORMED ITS PEER
GROUP AND THE NASDAQ                           [Graphic]
COMPOSITE


                         (a)      Stock price data as of March 16, 2000
                         (b)      Emerging Drug Delivery Companies Index
                                  includes:  ALKS, ARDM, CIMA, EMIS, INHL,
                                  NOVN, NSTA
                         (c)      Specialty Pharmaceutical Companies Index
                                  includes: ADRX, ALZA, BVF, ELN, FRX, IVX,
                                  JMED, MYL, SHPGY, WPI

                                                                            34
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------


                 HISTORICAL STOCK PRICE PERFORMANCE

SINCE SURF'S CALLABLE       DUNE VS. SELECTED INDICES - SINCE SURF INITIAL
COMMON STOCK OFFERING                    PUBLIC OFFERING (a)
ON DECEMBER 17, 1997,
DUNE HAS UNDERPERFORMED
ITS PEER GROUP AND THE                       [Graphic]
NASDAQ COMPOSITE


                            (a)      Stock price data as of March 16, 2000
                            (b)      Emerging Drug Delivery Companies Index
                                     includes:  ALKS, ARDM, CIMA, EMIS, INHL,
                                     NOVN, NSTA
                            (c)      Specialty Pharmaceutical Companies Index
                                     includes: ADRX, ALZA, BVF, ELN, FRX, IVX,
                                     JMED, MYL, SHPGY, WPI

                                                                            35
SG

<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                    RESEARCH COMMUNITY SENTIMENT

SUMMARY OF RECENT ANALYST COMMENTARY

<TABLE>
<CAPTION>
                                                           EPS ESTIMATES (a)
DATE              COMPANY                 RATING          2000E        2001E                                       COMMENTS
- -----------------------------------------------------------------------------------------------------------------------------------
<S>               <C>                   <C>               <C>         <C>       <C>

03/08/00          Prudential Securities    Hold           $0.26       $0.35     -  "Product revenue is growing at a healthy clip,
                                                                                   but earnings power has remained uncertain until
                                                                                   recently . . . if Dune is insistent on closing
                                                                                   the deal (Surf), it could potentially have to
                                                                                   sweeten its bid, using more cash and pushing out
                                                                                   the timeline. With the elimination of Surf, the
                                                                                   business model going forward will now reflect
                                                                                   Dune as a bona fide maker and marketer of drugs"

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

02/29/00          Robertson Stephens     Long-Term        0.91        1.25      -  "Near term, we believe revenue will be driven by
                                         Attractive                                base product growth and incremental revenue from
                                                                                   product acquisitions and co-promotion
                                                                                   agreements. We believe that Dune's innovative
                                                                                   dry powder inhaler will provide the catalyst for
                                                                                   accelerating revenue and earnings growth in
                                                                                   2001-2002"

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

02/24/00          Hambrecht & Quist         Buy           0.92        0.32      -  "We continue to like Dune as a contrarian/value
                                                                                   play in the emerging pharma space. Using P/E is
                                                                                   meaningless in 2000 because of Surf, but our
                                                                                   number of $0.32 in 2001 is `real' and assumes no
                                                                                   Surf"

                                                                                -  "We feel very confident in our $0.92 EPS estimate
                                                                                   for 2000 with the caveat that Surf should run out
                                                                                   of its current $65 million in cash before the end
                                                                                   of the year . . . we are modeling a drop in EPS
                                                                                   to $0.32 in 2001, which assumes Dune does not
                                                                                   infuse more money into Surf"

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


<PAGE>

02/23/00          Merrill Lynch          Long-Term        0.30        0.35      -  "Consolidation of Surf will eliminate most of
                                         Accumulate                                Dune's contract revenue, while R&D expense will
                                                                                   be relatively unchanged. Our 2000 pro forma
                                                                                   estimate is being adjusted to $0.30 per share
                                                                                   to reflect the impact . . . our estimate also
                                                                                   assumes that development of Surf albuterol will
                                                                                   be discontinued"

                                                                                -  "Dune's four key in-line products, along with the
                                                                                   launch of Surf products in 2002 and 2003 should
                                                                                   result in a rapid recovery in the Company's
                                                                                   profitability"
- -----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(a)  Source:  First Call; otherwise, most recent analyst report
                                                                            37
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                 RESEARCH COMMUNITY SENTIMENT (CONTINUED)
                  SUMMARY OF RECENT ANALYST COMMENTARY
<TABLE>
<CAPTION>

                                                     EPS ESTIMATES (a)
                                                    ------------------
DATE           COMPANY               RATING         2000E        2001E                           COMMENTS
- -----------------------------------------------------------------------------------------------------------------------------------
<S>            <C>                   <C>            <C>         <C>       <C>
02/14/00       Sutro & Co.            Buy           $0.31       $0.60     -  "If accepted, without Surf's revenues, we believe
                                                                             this year and next earnings will be reduced by
                                                                             about $0.60 and $0.55 per share, respectively. At
                                                                             the same time, management also announced that it
                                                                             will discontinue developing albuterol in the Surf
                                                                             delivery system, which should reduce its research
                                                                             expenditures somewhat. Following the buyback,
                                                                             however, the Company will be absorbing directly
                                                                             the development of BECLOMETHASONE and BUDESONIDE
                                                                             until the products are approved and launched in
                                                                             2001 and 2002"

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

01/25/00       CIBC World Markets     Hold           0.90        1.00     -  "Dune's 4Q99 results demonstrated continued
                                                                             momentum in key franchise product lines, placing
                                                                             the Company on target to meet management's stated
                                                                             EPS growth objectives for 2000"

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

               FIRST CALL MEAN (b)                  $0.92       $0.52
===================================================================================================================================
</TABLE>

(a)  Source:  First Call; otherwise, most recent analyst report
(b)  Source:  First Call as of March 16, 2000


                                                                            38
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                TRADING STATISTICS OF SELECTED PUBLICLY TRADED COMPANIES

<TABLE>
<CAPTION>

                                                         Price                                            Enterprise Value
                                            ------------------------------                                as a Multiple of:
                                             Current     52 week   52 week    Market     Enterprise    -----------------------
          Company (FYE)                     (3/16/00)      High      Low       Value      Value(a)      Sales   EBITDA   EBIT
- -----------------------------------------   ---------    -------   -------    --------   ----------    ------- -------- ------
<S>                                         <C>          <C>       <C>        <C>        <C>           <C>     <C>      <C>
SELECTED EMERGING DRUG DELIVERY COMPANIES
Alkermes, Inc. (3/31)                        $104.94     $197.00    $21.63    $2,758.4    $2,639.6     122.36x    NM      NM
Anesta Corp. (12/31)                           20.13       27.63      7.38       267.7       198.4      30.45     NM      NM
Aradigm Corp. (12/31)                          27.38       46.75      5.63       432.3       412.5      24.53     NM      NM
CIMA Labs, Inc. (21/31)                        18.02       25.63      2.44       173.2       172.6      12.89   102.7x    NM
Emisphere Technologies, Inc. (7/31)            61.69       84.50      6.50     1,319.1     1,124.8     155.66     NM      NM
Inhale Therapeutic Systems (12/31)             80.38      141.50     22.88     2,022.3     1,884.2      45.56     NM      NM
Noven Pharmaceuticals, Inc. (12/31)            12.13       27.25      4.25       271.7       263.2       8.32    43.8    67.5x

                                                                                              High     155.66x  102.7x   67.5x
                                                                                            Median      30.45    73.2    67.5
                                                                                              Mean      57.11    73.2    67.5
                                                                                               Low       8.32    43.8    67.5

Dune                                           $13.75     $19.13     $9.75      $626.3      $651.0       2.16x    8.1x   13.3x

<CAPTION>

                                                        Price/Earnings                 Estimated        CY2001 P/E/
                                            -----------------------------------        Long-term        Estimated LT
          Company (FYE)                       LTM       2000E(b)      2001E(b)         EPS Growth(c)    EPS Growth(c)
- -----------------------------------------   --------   ----------     ---------       --------------   ---------------
<S>                                         <C>        <C>            <C>             <C>
SELECTED EMERGING DRUG DELIVERY COMPANIES
Alkermes, Inc. (3/31)                          NM          NM            NM              334.0%              NA
Anesta Corp. (12/31)                           NM          NM          36.6x               NA                NA
Aradigm Corp. (12/31)                          NM          NM            NM                NA                NA
CIMA Labs, Inc. (21/31)                        NM         69.3x        26.1                NA                NA
Emisphere Technologies, Inc. (7/31)            NM          NM            NA                NA                NA
Inhale Therapeutic Systems (12/31)             NM          NM            NM                NA                NA
Noven Pharmaceuticals, Inc. (12/31)          25.4x        26.9         15.7               40.0              0.4x

                                    High     25.4x        69.3x        36.6x             334.0%             0.4x
                                    Median   25.4         48.1         26.1              187.0              0.4
                                    Mean     25.4         48.1         26.1              187.0              0.4
                                    Low      25.4         26.9         15.7               40.0              0.4

Dune                                         19.4x        14.9x        26.4x              32.3%             0.8x

</TABLE>

              (a)  Enterprise value defined as market value plus Total Debt less
                   Cash
              (b)  Estimates are calendar year end; all estimates are SG Cowen
                   when available; otherwise First Call
              (c)  Long-term growth rates are from IBES

                                                                            39
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

    TRADING STATISTICS OF SELECTED PUBLICLY TRADED COMPANIES (CONTINUED)

<TABLE>
<CAPTION>
                                                         Price                                            Enterprise Value
                                            ------------------------------                                as a Multiple of:
                                             Current     52 week   52 week    Market     Enterprise    -----------------------
          Company (FYE)                     (3/16/00)      High      Low       Value      Value(a)      Sales   EBITDA   EBIT
- -----------------------------------------   ---------    -------   -------    --------   ----------    ------- -------- ------
<S>                                         <C>          <C>       <C>        <C>        <C>           <C>     <C>      <C>
SELECTED SPECIALTY PHARMACEUTICAL COMPANIES
Alza Laboratories (12/31)                     $38.19      $53.56    $26.50    $3,967.7    $4,681.7       5.88x   18.0x   24.0x
Andrx Corporation (12/31)                      94.00      114.50     30.81     3,060.1     2,986.7       7.37    37.6    40.3
Blovall Corporation International (12/31)      50.56       71.50     16.19     2,953.2     2,846.7      16.13    33.2    37.7
Elan Corporatio, plc (12/31)                   46.00       46.50     21.25    12,857.7    13,100.8      13.04    34.2    42.6
Forest Laboratories (3/31)                     83.63       84.75     41.25     7,394.2     7,117.0       8.82    39.4    45.7
IVAX Corporation (12/31)                       26.63       28.63      7.38     4,235.5     4,224.7       6.31    37.6    54.1
Jones Pharma, Inc. (12/31)                     41.13       53.00     13.22     2,747.0     2,585.4      21.21    36.8    40.1
Mylan Laboratories (3/31)                      30.00       30.94     17.06     3,903.8     3,610.8       4.71    14.4    16.8
Shire Pharmaceutical Group (12/31)             54.50       70.00     18.63     4,585.8     4,572.5      11.39    52.1    77.3
Watson Pharmaceuticals (12/31)                 40.44       47.50     26.50     3,943.3     3,981.3       5.78    13.8    15.4

                                                                                              High      21.21x    52.1x   77.3x
                                                                                            Median       8.10     35.5    40.2
                                                                                              Mean      10.06     31.7    39.4
                                                                                               Low       4.71     13.8    15.4

                                                                                       Global High     155.66x   102.7x   77.3x
                                                                                     Global Median      12.89     37.2    40.3
                                                                                       Global Mean      29.44     38.6    42.0
                                                                                        Global Low       4.71     13.8    15.4

Dune                                          $13.75      $19.13     $9.75      $626.3      $651.3       2.16x     8.1x   13.3x
<CAPTION>


                                                        Price/Earnings                 Estimated         CY2001 P/E/
                                            -----------------------------------        Long-term         Estimated LT
          Company (FYE)                       LTM       2000E(b)      2001E(b)         EPS Growth(c)      EPS Growth(c)
- -----------------------------------------   --------   ----------     ---------       --------------    ---------------
<S>                                         <C>        <C>            <C>             <C>
Alza Laboratories (12/31)                     29.8x       24.6x         19.9x             20.8%              1.0x
Andrx Corporation (12/31)                     61.1        72.9          38.5              51.5               0.7
Blovall Corporation International (12/31)     40.2        31.6          24.8              31.0               0.8
Elan Corporatio, plc (12/31)                  37.1        30.7          25.3              23.3               1.1
Forest Laboratories (3/31)                    59.0        55.4          36.4              27.6               1.3
IVAX Corporation (12/31)                      63.9        42.3          34.6              31.7               1.1
Jones Pharma, Inc. (12/31)                    62.7        46.7          39.5              25.5               1.6
Mylan Laboratories (3/31)                     26.9        21.0          17.9              19.2               0.9
Shire Pharmaceutical Group (12/31)           110.5        56.2          41.6              32.5               1.3
Watson Pharmaceuticals (12/31)                24.2        19.9          16.6              21.0               0.8

                               High          110.5x       72.9x         41.6x             51.5%              1.6x
                               Median         49.6        36.9          29.9              26.5               1.0
                               Mean           51.5        40.1          29.5              28.4               1.1
                               Low            24.2        19.9          16.6              19.2               0.7

                               Global High   110.5x       72.9x         41.6x            334.0%              1.6x
                               Global Median  40.2        36.9          26.1              29.3               1.0
                               Global Mean    49.2        41.5          28.7              54.8               1.0
                               Global Low     24.2        19.9          15.7              19.2               0.4

Dune                                          19.4x       14.9x         26.4x             32.3%              0.8x
</TABLE>

(a)      Enterprise value defined as market value plus Total Debt less Cash
(b)      Estimates are calendar year end; all estimates are SG Cowen when
         available; otherwise First Call
(c)      Long-term growth rates are from IBES

                                                                            40
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

FINANCIAL REVIEW

 HISTORICAL AND PROJECTED FINANCIAL INFORMATION

 (US$ IN MILLIONS, EXCEPT PER SHARE DATA)
<TABLE>
<CAPTION>
                                            HISTORICAL(a)                            PROJECTED(b)
                                    ----------------------------   -----------------------------------------------    CAGR
FISCAL YEAR ENDING DECEMBER 31,       1997      1998       1999    2000      2001     2002      2003      2004     2000P-2004P
- ------------------------------------------------------------------------------------------------------------------------------
<S>                                 <C>       <C>        <C>       <C>       <C>      <C>       <C>       <C>      <C>
Revenue                             $181.3    $199.2     $301.4    $344.1    $329.7   $395.6    $497.4    $597.1       14.8%

% GROWTH                              NM         9.8       51.4      14.2      (4.2)    20.0      25.7      20.0

Gross Profit                         149.2     169.9      255.6     287.1     260.3    308.2     388.0     465.9       12.9

% OF REVENUE                          82.3      85.3       84.8      83.4      79.0     77.9      78.0      78.0

EBITDA (c)                            74.8      42.4       80.1      95.9      58.8     83.2     161.0     226.7       24.0

% OF REVENUE                          41.3      21.3       26.6      27.9      17.8     21.0      32.4      38.0

EBIT                                  59.6      21.9       49.1      60.6      24.9     42.6     109.9     165.4       28.5

% OF REVENUE                          32.9      11.0       16.3      17.6       7.6     10.8      22.1      27.7

Net Income                            21.8      22.1       32.4      42.4      16.4     28.0      75.2     114.1       28.1

% OF REVENUE                          12.0      11.1       10.8      12.3       5.0      7.1      15.1      19.1

Earnings Per Share                    $0.50     $0.46      $0.71     $0.92     $0.35    $0.60     $1.60     $2.40      27.0

% GROWTH                              NM        (7.0)      53.6      30.1     (61.6)    69.6     165.7      50.1
                                  -----------------------------------------------------------------------------------------------

                                 Merrill Lynch Adjusted EPS(d)       $0.30     $0.35    $0.70     $1.60     $2.40
                                  -----------------------------------------------------------------------------------------------

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

                                 First Call Mean Estimates(e)        $0.92     $0.52    $0.68     NA        NA
                                  -----------------------------------------------------------------------------------------------
</TABLE>

(a)  Per Dune Form 10-K for the period ended December 31, 1998 and Press release
     dated January 24, 2000; excludes nonrecurring and extraordinary items
(b)  Per Merrill Lynch Research Report as of February 7, 2000; assumes Dune
     purchases Surf in FY 2001; excludes impact of multi-year Allergan agreement
     announced February 23, 2000
(c)  Assumes Depreciation and Amortization expense for the years FY 1999 to FY
     2004 as a constant percentage of revenues as FY 1998
(d)  Per Merrill Lynch Research Report as of February 23, 2000; assumes Dune
     purchases Surf in FY 2000; includes impact of multi-year Allergan agreement
     announced February 23, 2000
(e)  First Call Mean Estimates as of March 13, 2000

                                                                            41
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------
SUMMARY CAPITALIZATION

SELECTED BALANCE SHEET ITEMS
(US $ IN MILLIONS)

<TABLE>
<CAPTION>
                                           DECEMBER 31,                              SEPTEMBER 30,
ACCOUNT                                       1999 (a)             % OF TOTAL         1999 (b)              % OF TOTAL
- --------------------------------------------------------------------------------------------------------------------------
<S>                                       <C>                    <C>                 <C>                    <C>
Cash and Equivalents                          $274.4                  ---                  $266.7                ---

Current Portion of Long-Term Debt                NA                    NA                     3.9                 0.5%

Long-Term Debt (c)                             287.5                  39.4%                 287.5                39.8%
                                          ----------             ----------              --------              -------
    Total Debt (c)                             287.5                  39.4%                 291.4                40.4%


Stockholders' Equity                           441.7                  60.6%                 430.3                59.6%
                                          ----------             ----------              --------              -------
Total Capitalization                          $729.2                 100.0%                $721.8               100.0%
                                          ==========             ==========              ========              =======
</TABLE>


(a) Source: Press release dated January 24, 2000
(b) Source: Form 10-Q for the period ended September 30, 1999
(c) Includes $287.5 million of convertible subordinated notes due July 15, 2002

                                                                            42
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

VALUATION CONSIDERATIONS






                                                                            43
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

HISTORICAL STOCK PRICE ANALYSIS






                                                                            44
SG
<PAGE>
PROJECT                                                          DUNE OVERVIEW
SURF          ----------------------------------------------------------------

                                               HISTORICAL STOCK PRICE ANALYSIS
RELATIVE STOCK PRICE PERFORMANCE

[Graphic]                           Surf vs. Dune - Latest Twelve Months (a)

(a)  Stock price data as of March 16, 2000; on January 1, 2000, Surf Units
     separated into two publicly traded securities: one publicly-traded security
     which represents Surf Callable Common Stock and one publicly-traded
     security which represents a warrant to purchase one quarter of one share of
     Dune Common Stock; all stock price data prior to January 1, 2000 represents
     the price per Surf Unit as reported by Factset; on or after January 1,
     2000, all stock price data represents the price per Surf Callable Common
     share as reported by Factset

                                                                            45
SG
<PAGE>

PROJECT                                         HISTORICAL STOCK PRICE ANALYSIS
SURF          ----------------------------------------------------------------

RELATIVE STOCK PRICE PERFORMANCE

                    SURF VS. DUNE - SINCE SURF INITIAL PUBLIC OFFERING (a)

SINCE SURF'S CALLABLE
COMMON STOCK OFFERING
ON DECEMBER 17, 1997,
DUNE HAS GENERALLY
UNDERPERFORMED SURF


                                                                     46
SG
<PAGE>

PROJECT
SURF          ----------------------------------------------------------------

PRECEDENT TRANSACTIONS


                                                                      48
SG
<PAGE>

PROJECT                                                  PRECEDENT TRANSACTIONS
SURF          ----------------------------------------------------------------

IMPLIED PREMIUMS PAID ANALYSIS

Implied Premiums to Surf Stock Price (a)

              [GRAPH]                           [GRAPH]
        1 Day Prior (b)(c)                20-Day Average (b)(c)

   Dune Offer ($15.75)   35.5%         Dune Offer ($15.75)   56.0%
   Global Median          7.2%         Global Median          7.3%
   Negotiated Median     58.2%         Negotiated Median     60.3%
   Global Mean           25.8%         Global Mean           28.6%
   Negotiated Mean       47.6%         Negotiated Mean       52.8%


                               [GRAPH]
                       20-Days Prior (b)(c)

                    Dune Offer ($15.75)   53.7%
                    Global Median          8.3%
                    Negotiated Median     49.7%
                    Global Mean           31.4%
                    Negotiated Mean       56.7%

    (a)  Premiums analysis for 1 Day Prior, 20-Day Average, and 20-Days Prior
         based on Surf's closing price on February 11, 2000, the average of
         Surf's closing prices from January 14, 2000 to February 11, 2000, and
         Surf's closing price on January 14, 2000, respectively
    (b)  For precedent transactions, premiums analysis based on the closing
         target company stock price one day prior to announcement, the average
         of the closing target company stock prices 20 trading days prior to
         announcement, and the target company stock price 20 trading days
         prior to announcement
    (c)  Premiums analysis excludes Centocor / Tocor transactions; announced
         June 20, 1991

                                                                       49
SG

<PAGE>
PROJECT                                                  PRECEDENT TRANSACTIONS
SURF          ----------------------------------------------------------------

                       PROFILE OF PRECEDENT TRANSACTIONS

PROFILE OF INITIAL OFFERINGS
(US$ IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>

EFFECTIVE                                                            OFFERING     OFFER        INITIAL        INVESTOR CONTRIBUTION
  DATE               ENTITY FORMED           PARENT COMPANY          PRICE(a)    VALUE(a)  CAPITALIZATION(a)  AS A % OF INITIAL CAP.
- ------------------------------------------------------------------------------------------------------------------------------------
<S>        <C>                          <C>                          <C>         <C>       <C>                <C>
06/18/98   CliniChem                    BioChem Pharma Inc.             NA(b)     NA(b)         $150.0                 0.0%
           Development, Inc.
09/18/97   Crescendo                    ALZA Corp.                      NA(c)     NA(c)          300.0                 0.0
           Pharmaceuticals Corp.
02/05/98   Neuralab Ltd.                Elan Corp.                     $40.00     $50.0           50.0               100.0
11/20/96   Axogen Ltd.                  Elan Corp.                      18.00      95.2           95.2               100.0
05/05/95   Allergan Ligand Retinoid     Allergan / Ligand               10.00      32.5          100.0                32.5
           Therapeutics
12/21/93   PerSeptive                   PerSeptive Biosystems Inc.      22.00      58.2           58.2               100.0
           Technologies II Corp.
07/14/93   Advanced Therapeutics        Elan Corp.                      20.00      78.5          113.5                69.2
           Systems Ltd.
05/21/93   Therapeutic Discovery Corp.  ALZA Corp.                      NA(d)     NA(d)          250.0                 0.0
04/28/92   Neozyme II Corp.             Genzyme Corp.                   35.00      84.5           84.5               100.0
02/13/92   Cytorad Inc.                 Cytogen Corp.                   10.00      40.3           40.3               100.0
01/21/92   Tocor I  Inc.                Centocor Inc.                   40.00      90.0           90.0               100.0
11/27/91   Aramed Inc.                  Gensia Pharmaceuticals Inc.     20.00      57.5           57.5               100.0
05/23/91   SciGenics, Inc.              Genetics Institute Inc.         22.00      46.0           46.0               100.0
11/14/90   Drug Research Corp.          Elan Corporation                11.00      43.2           43.2               100.0
10/26/90   Neozyme Corp.                Genzyme Corp.                   23.00      46.0           46.0               100.0
11/17/89   Receptech Corp.              Immunex Corp.                   12.00      27.5           27.5               100.0
07/11/89   Tocor, Inc.                  Centocor Inc.                   12.00      34.5           34.5               100.0
12/12/88   Bio-Electro Systems, Inc.    ALZA Corp.                      11.00      35.7           35.7               100.0

</TABLE>


                                                                          50
SG
<PAGE>


<TABLE>
     <S>             <C>                                 <C>            <C>              <C>             <C>             <C>
- ---------------------------------------------------------------------------------------------------------------------------------
     12/17/97        SURF DEVELOPMENT CORP. II           DUNE           $16.00           $101.2          $176.2          57.4%
     10/29/95        SURF DEVELOPMENT CORP.              DUNE           $30.00            $28.0          $ 41.0           68.3
- ---------------------------------------------------------------------------------------------------------------------------------
</TABLE>










(a)  Source: Initial Public Offering documents filed with the Securities and
     Exchange Commission and Securities Data Corporation as of February 24,
     2000
(b)  Each holder of one BioChem Common Stock has the right to receive 40
     Clinichem shares
(c)  Each holder of ALZA Common Stock has the right to receive one Crescendo
     share for every 20 shares of ALZA common stock owned; one Crescendo
     share for every 36 shares of ALZA Common Stock into which the holder's
     5% Debentures are convertible; and one Crescendo share for every 37
     shares of ALZA common stock into which the holder's 5 1/4% Debentures
     are convertible
(d)  Each holder of ALZA Common Stock has the right to receive one
     Therapeutic Discovery Corp. unit for every 10 shares of ALZA Common
     Stock owned


                                                                              51

<PAGE>
PROJECT                                                  PRECEDENT TRANSACTIONS
SURF          -----------------------------------------------------------------

                PROFILE OF PRECEDENT TRANSACTIONS - EXERCISED

- -------------------------------------------------------------------------------
 PROFILE OF PURCHASE TRANSACTIONS - EXERCISED
 (US$ IN MILLIONS, EXCEPT PER SHARE DATA)
- -------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                             EXERCISE PRICE                  PREMIUM ANALYSIS
ANNOUNCE   EXERCISE                                                           AT TIME OF   PURCHASE    ---------------------------
  DATE      DATE     TARGET                         ACQUIROR                 ANNOUNCEMENT   PRICE      1-DAY   20-DAY AVG.  20-DAY
- ----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>        <C>                            <C>                     <C>            <C>        <C>        <C>        <C>
01/10/00   Pending   CliniChem Development, Inc.    BioChem Pharma Inc.           NA          NA        NA         NA         NA
11/29/99   Pending   Neuralab Ltd.                  Elan Corp.                    NA         $61.01     NA         NA         NA
11/29/99  01/01/00   Axogen Ltd.                    Elan Corp.                   $34.56       34.56      5.5%       7.3%       7.6%
09/24/97  11/25/97   Allergan Ligand Retinoid
                     Therapeutics                   Allergan / Ligand             21.97       21.97     13.0       12.5       18.4
09/10/96  10/30/96   Advanced Therapeutics
                     Systems Ltd.                   Elan Corp.                    36.00       36.00      5.1        5.7        6.7
08/26/97  09/30/97   Therapeutic Discovery Corp.    ALZA Corp.                    12.30       12.30      2.5        3.1        4.7
05/04/93  07/03/93   Drug Research Corp.            Elan Corp.                    21.00       21.00     12.8       13.5       18.3
10/18/93  12/22/93   Neozyme Corp.                  Genzyme Corp.                 45.50       49.00     NA         NA         NA
12/15/92  02/19/93   Receptech Corp.                Immunex Corp.                 26.00       26.00      7.2        7.2        8.3
06/20/91  07/02/91   Tocor, Inc.                    Centocor Inc.                 24.00       24.00    (60.5)     (60.0)     (56.8)
11/12/91  02/08/92   Bio-Electro Systems, Inc.      ALZA Corp.                    23.00       23.00      4.0        6.2        4.5

                                                    -------------------------------------------------------------------------------
                                                      EXERCISED MEDIAN (b)                               5.5%       7.2%       7.6%
                                                      EXERCISED MEAN (b)                                 7.2%       7.9%       9.8%
                                                    -------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------------------
2/14/00(c) PENDING   SURF DEVELOPMENT CORP. II      DUNE                         $25.26      $15.75     35.5%      56.0%      53.7%
10/10/97  12/19/97   SURF DEVELOPMENT CORP.         DUNE                         $46.88      $48.97     NA         NA         NA
- -----------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                                        PRICE PERFORMANCE
                                                                                                         SINCE TARGET IPO
ANNOUNCE   EXERCISE                                                                   PURCHASE PRICE/  --------------------
  DATE      DATE     TARGET                         ACQUIROR                     IRR     IPO PRICE     TARGET(a)   PARENT
- ---------------------------------------------------------------------------------------------------------------------------
<S>       <C>        <C>                            <C>                        <C>       <C>           <C>        <C>
01/10/00   Pending   CliniChem Development, Inc.    BioChem Pharma Inc.          NA         NA            NA        NA
11/29/99   Pending   Neuralab Ltd.                  Elan Corp.                   NA         NA            NA        NA
11/29/99  01/01/00   Axogen Ltd.                    Elan Corp.                  23.3%      1.9x           81.9%    97.4%
09/24/97  11/25/97   Allergan Ligand Retinoid
                     Therapeutics                   Allergan / Ligand           36.0       2.2            94.4     26.3
09/10/96  10/30/96   Advanced Therapeutics
                     Systems Ltd.                   Elan Corp.                  19.5       1.8            71.3    112.1
08/26/97  09/30/97   Therapeutic Discovery Corp.    ALZA Corp.                   NA         NA            NA        4.4
05/04/93  07/03/93   Drug Research Corp.            Elan Corp.                  27.8       1.9            69.3    176.5
10/18/93  12/22/93   Neozyme Corp.                  Genzyme Corp.                NA         NA           (33.7)   101.4
12/15/92  02/19/93   Receptech Corp.                Immunex Corp.               26.8       2.2           102.1    141.9
06/20/91  07/02/91   Tocor, Inc.                    Centocor Inc.               42.0       2.0           406.3    273.0
11/12/91  02/08/92   Bio-Electro Systems, Inc.      ALZA Corp.                  26.3       2.1           101.1    261.5

                                                    -----------------------------------------------------------------------
                                                    EXERCISED MEDIAN (b)        26.8%      2.0X           88.2%   101.4%
                                                    EXERCISED MEAN (b)          28.8%      2.0X          111.6%   108.8%
                                                    -----------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------------------------------
02/14/00(c) PENDING   SURF DEVELOPMENT CORP. II     DUNE                        (0.7)%     1.0X          (17.0)%  (68.5)%
10/10/97  12/19/97   SURF DEVELOPMENT CORP.         DUNE                        30.3%      1.6X           NA      242.2%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

(a)  In cases where warrant(s) has not separated from common stock,
     represents unit performance
(b)  Premiums analysis excludes Centocor / Tocor transaction announced June
     20, 1991
(c)  Represents date Dune announced its offer to Surf Board of Directors to
     purchase Surf Callable Common Stock for $12.50 per share in cash

                                                                              52
SG
<PAGE>
PROJECT                                                  PRECEDENT TRANSACTIONS
SURF          -----------------------------------------------------------------

                PROFILE OF PRECEDENT TRANSACTIONS - NEGOTIATED

- -------------------------------------------------------------------------------
PROFILE OF PURCHASE TRANSACTIONS - NEGOTIATED
(US$ IN MILLIONS, EXCEPT PER SHARE DATA)
- -------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                                       EX. PRICE            DISCOUNT OF
ANNOUNCE  EXERCISE                                                     AT TIME OF  PUR.    PUR. PRICE TO
  DATE      DATE     TARGET                    ACQUIROR                ANNOUNCE.   PRICE     EX. PRICE
- ----------------------------------------------------------------------------------------------------------
<S>       <C>        <C>                       <C>                     <C>        <C>      <C>
11/01/95  03/13/96   PerSeptive Tech. II       PerSeptive Biosystems
                     Corp.                     Inc.                      $33.83   $13.96       (58.7)%
09/06/96  10/29/96   Neozyme II Corp.          Genzyme Corp.             117.00    45.00       (61.5)
07/29/94  02/27/95   Cytorad Inc.              Cytogen Corp.              19.50     8.81       (54.8)
12/10/93  03/11/94   Tocor II Inc.             Centocor Inc.              58.00    40.00       (31.0)
06/16/95  11/22/95   Aramed Inc.               Gensia Pharmaceuticals
                                               Inc.                       55.40    12.75       (77.0)
06/22/95(b)12/07/95  SciGenics, Inc.           Genetics Institute Inc.    69.83    14.00       (80.0)
                                               -----------------------------------------------------------

                                               NEGOTIATED MEDIAN                               (60.1)%
                                               NEGOTIATED MEAN                                 (60.5)%
                                               -----------------------------------------------------------

- ----------------------------------------------------------------------------------------------------------
02/14/00(c)PENDING   SURF DEVELOPMENT CORP. II   DUNE                    $25.26   $15.75       (37.6)%
10/10/97  12/19/97   SURF DEVELOPMENT CORP.      DUNE                    $46.88   $48.97         4.5%
- ----------------------------------------------------------------------------------------------------------



<CAPTION>
                                                                                                                  PRICE PERFORMANCE
                                                                     PREMIUM ANALYSIS                              SINCE TARGET IPO
ANNOUNCE  EXERCISE                                              ---------------------------          PUR. PRICE/  -----------------
  DATE      DATE     TARGET              ACQUIROR               1-DAY   20-DAY AVG.  20-DAY    IRR    IPO PRICE   TARGET(a)  PARENT
- -----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>        <C>                 <C>                    <C>     <C>          <C>      <C>    <C>         <C>       <C>
11/01/95  03/13/96   PerSeptive Tech.    PerSeptive
                     II Corp.            Biosystems Inc.          64.2%    67.7%        64.2% (18.5)%    0.6x    (61.4)%   (61.4)%
09/06/96  10/29/96   Neozyme II Corp.    Genzyme Corp.             2.1      1.8          2.9    5.7      1.3      25.9      20.0
07/29/94  02/27/95   Cytorad Inc.        Cytogen Corp.            90.5    116.8        171.1   (4.1)     0.9     (53.8)    (78.8)
12/10/93  03/11/94   Tocor II Inc.       Centocor Inc.            73.9     72.8         61.6    0.0      1.0     (42.5)    (76.4)
06/16/95  11/22/95   Aramed Inc.         Gensia
                                         Pharmaceuticals Inc.     52.2     54.1         37.8  (10.7)     0.6     (58.1)    (82.4)
06/22/95(b)12/07/95   SciGenics, Inc.    Genetics Institute        2.8      3.8          2.8   (9.5)     0.6     (38.1)    (33.1)
                                         Inc.
                                         ------------------------------------------------------------------------------------------

                                         NEGOTIATED MEDIAN        58.2%    60.9%        49.7%  (6.8)%    0.8X    (48.1)%   (68.9)%
                                         NEGOTIATED MEAN          47.6%    52.8%        56.7%  (6.2)%    0.8X    (38.0)%   (52.0)%
                                         ------------------------------------------------------------------------------------------

- -----------------------------------------------------------------------------------------------------------------------------------
02/14/00(c)PENDING   SURF DEVELOPMENT    DUNE                     35.5%    56.0%        53.7%  (0.7)%    1.0X    (17.0)%   (68.5)%
                     CORP. II
10/10/97  12/19/97   SURF DEVELOPMENT    DUNE                      NA       NA           NA    30.3%     1.6X      NA      242.2%
                     CORP.
- -----------------------------------------------------------------------------------------------------------------------------------
</TABLE>
(a) In cases where warrant(s) has not separated from callable common stock,
    represents unit performance
(b) On June 22, 1995, Genetics Institute offered to purchase SciGenics for
    $12.00 per share in cash; on September 7, 1995, SciGenics announced it
    had entered into a Definitive Agreement with Genetics Institute for $14.00
    per share in cash
(c) Represents date Dune announced its offer to Surf Board of Directors to
    purchase Surf Callable Common Stock for $12.50 per share in cash

                                                                              53

<PAGE>
PROJECT
SURF          -------------------------------------------

DISCOUNTED CASH FLOW ANALYSIS

                                                                              54
SG
<PAGE>
PROJECT                                           DISCOUNTED CASH FLOW ANALYSIS
SURF          -----------------------------------------------------------------

DISCOUNTED CASH FLOW - THEORETICAL ANALYSIS (WITH NOL) (a)

PROJECTED CASH FLOWS (b)
(US$ IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                                                             Projected
                                        ---------------------------------------------------------------------------------------
Fiscal Year Ending December 31,           2000(c)      2001        2002       2003      2004       2005       2006       2007
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                      <C>         <C>         <C>        <C>       <C>        <C>        <C>        <C>
Sales                                    $  0.0      $  6.1      $ 43.1     $176.6    $257.3     $321.2     $387.9     $453.2
EBITDA                                    (54.9)      (86.3)      (54.8)      35.3     105.4      156.1      204.9      255.6
Less: Depreciation and Amortization         0.0        (0.2)       (2.3)      (2.7)     (2.8)      (3.5)      (3.6)      (3.8)
                                        ----------  ----------  ---------- --------- --------- ----------  --------- ----------
EBIT                                      (54.9)      (86.5)      (57.1)      32.6     102.6      152.7      201.3      251.8
Less: Income Taxes @ 35.0%(d)               0.0         0.0         0.0        0.0       0.0        0.0      (64.8)     (88.1)
                                        ----------  ----------  ---------- --------- --------- ----------  --------- ----------
          Unlevered After-Tax Income      (54.9)      (86.5)      (57.1)      32.6     102.6      152.7      136.5      163.7
Plus: Depreciation and Amortization         0.0         0.2         2.3        2.7       2.8        3.5        3.6        3.8
Less: Capital Expenditures                 (3.8)      (11.0)      (10.5)      (3.0)     (2.5)      (3.5)      (6.5)      (2.0)
Less: Working Capital Investment           (0.1)        1.0         0.2      (13.7)     (9.3)      (7.0)      (6.8)      (6.7)
                                        ----------  ----------  ---------- --------- --------- ----------  --------- ----------
          Free Cash Flow                ($ 58.7)    ($ 96.3)    ($ 65.2)    $ 18.6    $ 93.7     $145.7     $126.8     $158.8
                                        ==========  ==========  ========== ========= ========= ==========  ========= ==========
</TABLE>

DISCOUNTED CASH FLOW VALUATION ANALYSIS
(US$ IN MILLIONS, EXCEPT EQUITY VALUE PER SHARE DATA)

<TABLE>
<CAPTION>
                                                      Range of Discount Rates
                                     -----------------------------------------------------------
                                       25.0%       27.5%       30.0%       32.5%       35.0%
- ------------------------------------------------------------------------------------------------
<S>                                   <C>         <C>         <C>         <C>         <C>
Present Value of Free Cash Flow       ($ 12.9)    ($ 23.4)    ($ 32.2)    ($ 39.5)    ($ 45.6)
Present Value of Terminal Value(e)      112.7        87.9        69.3        55.2        44.3
                                     ---------   ---------   ---------   ---------   ---------
Implied Enterprise Value                 99.8        64.4        37.1        15.7        (1.3)
   Plus: Net Cash(f)                     54.7        54.7        54.7        54.7        54.7
                                     ---------   ---------   ---------   ---------   ---------
Implied Equity Value                   $154.5      $119.2      $ 91.8      $ 70.4      $ 53.5
Implied Equity Value per Share(g)      $ 24.14     $ 18.62     $ 14.35     $ 11.00     $  8.35
                                     =========   =========   =========   =========   =========
</TABLE>

                                                                              55
SG

(a)  Cash flows discounted back to March 31, 2000; theoretical analysis may be
     impacted by management's potential risks as discussed on page 12
(b)  Source: Surf management as of February 18, 2000
(c)  Represents estimates for the nine months from March 31, 2000 to December
     31, 2000
(d)  Assumes Surf does not receive benefit of NOL's
(e)  Based on perpetual growth methodology assuming perpetual growth rate is
     zero
(f)  Source: Surf management; represents estimated cash as of February 29, 2000,
     net payable to Dune
(g)  Implied equity value per share based on Treasury Method calculation which
     includes 6.325 million Surf Callable Common shares outstanding per Surf
     Form 10-Q for the period ended September 30, 1999 and 0.737 million options
     outstanding at a weighted average exercise price of $14.13 per Surf
     management as of March 14, 2000

<PAGE>
PROJECT                           DISCOUNTED CASH FLOW ANALYSIS
SURF          -------------------------------------------------
DISCOUNTED CASH FLOW - THEORETICAL ANALYSIS (WITHOUT NOL) (a)

PROJECTED CASH FLOWS (b)
(US$ IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>

                                                                               PROJECTED
                                     ---------------------------------------------------------------------------------------------
FISCAL YEAR ENDING DECEMBER 31,        2000 (c)      2001        2002        2003        2004        2005        2006        2007
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                                  <C>             <C>         <C>        <C>          <C>         <C>         <C>        <C>
Sales                                      $0.0        $6.1       $43.1     $176.6       $257.3      $321.2      $387.9     $453.2
EBITDA                                    (54.9)      (86.3)      (54.8)      35.3        105.4       156.1       204.9      255.6
Less: Depreciation and Amortization         0.0        (0.2)       (2.3)      (2.7)        (2.8)       (3.5)       (3.6)      (3.8)
                                         -------      -------    -------    --------     -------     -------     -------    -------
EBIT                                      (54.9)      (86.5)      (57.1)      32.6        102.6       152.7       201.3      251.8
Less: Income Taxes @ 35.0% (d)              0.0         0.0         0.0      (11.4)       (35.9)      (53.4)      (70.4)     (88.1)
                                         -------      -------    -------    --------     -------     -------     -------    -------
         Unlevered After-Tax Income       (54.9)      (86.5)      (57.1)      21.2         66.7        99.2       130.8      163.7
Plus: Depreciation and Amortization         0.0         0.2         2.3        2.7          2.8         3.5         3.6        3.8
Less: Capital Expenditures                 (3.8)      (11.0)      (10.5)      (3.0)        (2.5)       (3.5)       (6.5)      (2.0)
Less: Working Capital Investment           (0.1)        1.0         0.2      (13.7)        (9.3)       (7.0)       (6.8)      (6.7)
                                         -------     --------    -------    --------     -------     -------     -------    -------
         Free Cash Flow                  ($58.7)     ($96.3)     ($65.2)      $7.2        $57.8       $92.2      $121.1     $158.8
                                         =======     ========    =======    ========     =======     =======     =======    =======

</TABLE>

DISCOUNTED CASH FLOW VALUATION ANALYSIS
(US$ IN MILLIONS, EXCEPT EQUITY VALUE PER SHARE DATA)

<TABLE>
<CAPTION>

                                                                                   RANGE OF DISCOUNT RATES
                                                ----------------------------------------------------------------------------------
                                                   25.0%              27.5%             30.0%              32.5%             35.0%
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                                             <C>                 <C>               <C>                <C>               <C>
Present Value of Free Cash Flow                   ($46.3)            ($53.7)           ($59.6)           ($64.4)          ($68.2)
Present Value of Terminal Value (e)                112.7               87.9              69.3              55.2             44.3
                                                  ------             ------            ------             -----            -----
Implied Enterprise Value                            66.3               34.2               9.7              (9.2)           (23.9)
     Plus: Net Cash (f)                             54.7               54.7              54.7              54.7             54.7
                                                  ------             ------            ------             -----            -----
Implied Equity Value                              $121.1              $89.0             $64.4             $45.6            $30.9
Implied Equity Value per Share (g)                $18.92             $13.90            $10.07             $7.12            $4.82
                                                  ======             ======            ======             =====            =====

</TABLE>

(a)  Cash flows discounted back to March 31, 2000; theoretical analysis may be
     impacted by management's potential risks as discussed on page 12
(b)  Source: Surf management as of February 18, 2000
(c)  Represents estimates for the nine months from March 31, 2000 to December
     31, 2000
(d)  Assumes Surf does not receive benefit of NOL's
(e)  Based on perpetual growth methodology assuming perpetual growth rate is
     zero
(f)  Source: Surf management; represents estimated cash as of February 29, 2000,
     net payable to Dune
(g)  Implied equity value per share based on Treasury Method calculation which
     includes 6.325 million Surf Callable Common shares outstanding per Surf
     Form 10-Q for the period ended September 30, 1999 and 0.737 million options
     outstanding at a weighted average exercise price of $14.13 per Surf
     management as of March 14, 2000


                                                                            57
SG
<PAGE>
PROJECT                           DISCOUNTED CASH FLOW ANALYSIS
SURF          -------------------------------------------------

DISCOUNTED CASH FLOW - ROYALTY ANALYSIS (WITH NOL) (a)

PROJECTED CASH FLOWS (17.5% ROYALTY STREAM) (b)
(US$ IN MILLIONS)

<TABLE>
<CAPTION>

                                                                              PROJECTED
                                     -------------------------------------------------------------------------------------------
FISCAL YEAR ENDING DECEMBER 31,         2000(c)     2001       2002       2003       2004       2005       2006       2007
- --------------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>         <C>        <C>        <C>        <C>        <C>        <C>        <C>
Sales                                      $0.0       $1.1       $7.5      $30.9      $45.0      $56.2      $67.9      $79.3
EBITDA                                    (50.9)       1.1        7.5       30.9       45.0       56.2       67.9       79.3
Less: Depreciation and Amortization         0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
                                         --------   --------   --------   --------   --------   --------   --------  -------
EBIT                                      (50.9)       1.1        7.5       30.9       45.0       56.2       67.9       79.3
Less: Income Taxes @ 35.0% (d)              0.0        0.0        0.0        0.0        0.0        0.0      (11.8)     (27.8)
                                         --------   --------   --------   --------   --------   --------   --------  -------
    Unlevered After-Tax Income            (50.9)       1.1        7.5       30.9       45.0       56.2       56.0       51.6
Plus: Depreciation and Amortization         0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
Less: Capital Expenditures                 (3.8)       0.0        0.0        0.0        0.0        0.0        0.0        0.0
Less: Working Capital Investment           (0.1)       0.0        0.0        0.0        0.0        0.0        0.0        0.0
                                         --------   --------   --------   --------   --------   --------   --------  -------
    Free Cash Flow                       ($54.7)      $1.1       $7.5      $30.9      $45.0      $56.2      $56.0      $51.6
                                         ========   ========   ========   ========   ========   ========   ========  =======

</TABLE>


ROYALTY ANALYSIS
(EQUITY VALUE PER SHARE IN US$)

<TABLE>
<CAPTION>

                                                                                       ASSUMED ROYALTY STREAM (e)
                                                            ----------------------------------------------------------------------
RANGE OF DISCOUNT RATES                                                15.0%                      17.5%                      20.0%
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                                                                   <C>                        <C>                        <C>
       25.0%                                                          $16.02                     $18.12                     $20.21
       27.5%                                                           14.05                      15.85                      17.65
       30.0%                                                           12.48                      14.03                      15.59
       32.5%                                                           11.20                      12.56                      13.92
       35.0%                                                           10.15                      11.35                      12.54

</TABLE>
(a)  Cash flows discounted back to March 31, 2000
(b)  Based on projections provided by Surf management; assumes that Surf
     licenses out all products to a third party in exchange for royalty payments
     once the estimated net cash balance as of February 29, 2000 of
     approximately $54.7 million is exhausted
(c)  Represents estimated results for the nine months from March 31, 2000
     through December 31, 2000; assumes Free Cash Flows do not exceed estimated
     net cash as of February 29, 2000 of $54.7 million
(d)  Assumes Surf begins to receive benefit of NOL's in FY2001
(e)  Royalty ranges provided in consultation with the Company

                                                                          58
SG
<PAGE>
PROJECT                           DISCOUNTED CASH FLOW ANALYSIS
SURF          -------------------------------------------------

DISCOUNTED CASH FLOW - ROYALTY ANALYSIS (WITHOUT NOL) (a)

PROJECTED CASH FLOWS (17.5% ROYALTY STREAM) (b)
(US$ IN MILLIONS)

<TABLE>
<CAPTION>

                                                                              PROJECTED
                                     -------------------------------------------------------------------------------------------
FISCAL YEAR ENDING DECEMBER 31,         2000(c)     2001       2002       2003       2004       2005       2006       2007
- --------------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>         <C>        <C>        <C>        <C>        <C>         <C>       <C>
Sales                                      $0.0       $1.1       $7.5      $30.9      $45.0      $56.2      $67.9      $79.3
EBITDA                                    (50.9)       1.1        7.5       30.9       45.0       56.2       67.9       79.3
Less: Depreciation and Amortization         0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
                                         ------     ------     ------     ------     ------     ------      -----     ------
EBIT                                      (50.9)       1.1        7.5       30.9       45.0       56.2       67.9       79.3
Less: Income Taxes @ 35.0% (d)              0.0       (0.4)      (2.6)     (10.8)     (15.8)     (19.7)     (23.8)     (27.8)
                                         ------     ------     ------     ------     ------     ------      -----     ------
    Unlevered After-Tax Income            (50.9)       0.7        4.9       20.1       29.3       36.5       44.1       51.6
Plus: Depreciation and Amortization         0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
Less: Capital Expenditures                 (3.8)       0.0        0.0        0.0        0.0        0.0        0.0        0.0
Less: Working Capital Investment           (0.1)       0.0        0.0        0.0        0.0        0.0        0.0        0.0
                                         ------     ------     ------     ------     ------     ------      -----     ------
    Free Cash Flow                       ($54.7)      $0.7       $4.9      $20.1      $29.3      $36.5      $44.1      $51.6
                                         ======     ======     ======     ======     ======     ======      =====     ======

</TABLE>

 ROYALTY ANALYSIS
 (EQUITY VALUE PER SHARE IN US$)

<TABLE>

                                                           ASSUMED ROYALTY STREAM (e)
                                ----------------------------------------------------------------------------------
RANGE OF DISCOUNT RATES                    15.0%                      17.5%                      20.0%
- ------------------------------------------------------------------------------------------------------------------
<S>                                        <C>                        <C>                        <C>
         25.0%                             $13.05                     $15.00                     $16.96
         27.5%                              11.37                      13.02                      14.68
         30.0%                              10.04                      11.46                      12.88
         32.5%                               8.99                      10.21                      11.44
         35.0%                               8.13                       9.20                      10.27

</TABLE>

(a)  Cash flows discounted back to March 31, 2000
(b)  Based on projections provided by Surf management; assumes that Surf
     licenses out all products to a third party in exchange for royalty payments
     once the estimated net cash balance as of February 29, 2000 of
     approximately $54.7 million is exhausted
(c)  Represents estimated results for the nine months from March 31, 2000
     through December 31, 2000; assumes Free Cash Flows do not exceed estimated
     net cash as of February 29, 2000 of $54.7 million
(d)  Assumes Surf does not receive benefit of NOL's
(e)  Royalty ranges provided in consultation with the Company


                                                                            59
SG

<PAGE>

              ====================================================
              CONFIDENTIAL PRESENTATION TO THE
              BOARD OF DIRECTORS OF
              ---------------
              DURA
              PHARMACEUTICALS

              REGARDING PROJECT OCEAN


              MARCH 20, 2000

<PAGE>

TABLE OF CONTENTS
================================================================================

        I.      Summary of Proposed Transaction

        II.     Overview of Starfish

        III.    Starfish Valuation Analysis

<PAGE>

================================================================================

                        SUMMARY OF PROPOSED TRANSACTION

================================================================================

<PAGE>

SUMMARY OF PROPOSED TRANSACTION
================================================================================
KEY TRANSACTION TERMS


TRANSACTION:            Dolphin to acquire 100% of the outstanding callable
                        common stock of Starfish for $15.75 per share, comprised
                        of (i) $13.25 per share in cash and (ii) $2.50 per share
                        in Dolphin warrants (based upon the Black-Scholes Option
                        Model, the valuation component of which is subject to a
                        collar arrangement)

                                -       Represents 35.5% premium to Starfish
                                        closing price immediately preceding
                                        first announcement of offer (on February
                                        14, 2000)

                                -       Aggregate offer value of $101 million;
                                        net cash outlay to Dolphin of $54
                                        million (based on assumed 6/30/00 close)

                                -       Consideration per share can range from
                                        $15.06 to $16.48 at closing based on
                                        value of warrant component of
                                        consideration

KEY DATES:              Expected requisite Dolphin and Starfish Board approvals:
                        March 20, 2000

                        Expected announcement of execution of definitive
                        agreement: after market close on March 20, 2000

STRUCTURE:              Reverse merger of a wholly-owned subsidiary of Dolphin
                        with and into Starfish

ACCOUNTING TREATMENT:   Purchase accounting

TAX TREATMENT:          Taxable transaction to shareholders of Starfish

<PAGE>

SUMMARY OF PROPOSED TRANSACTION
================================================================================
WARRANT TERMS


SECURITY:               Each Starfish share shall receive one warrant (the
                        "Warrant") to purchase a fraction of a share of Dolphin
                        common stock (subject to customary anti-dilution
                        adjustments), based on the Conversion Ratio described
                        below; Warrants exercisable at any time

EXERCISE PRICE PER
SHARE OF DOLPHIN
STOCK:                  The average closing price of Dolphin common stock for 10
                        consecutive trading days ending on the day prior to
                        public announcement of the transaction terms (the
                        "Measurement Price") multiplied by 1.25

TERM:                   Sixty-month term from date of closing of the transaction

CONVERSION RATIO:       To be determined at time of public announcement based on
                        the Black-Scholes Option Valuation Model such that each
                        share of Starfish shall receive $2.50 in value (subject
                        to a collar). The Black-Scholes valuation shall use an
                        underlying asset value equal to the Measurement Price, a
                        volatility factor of 65%, a 60-month term from date of
                        calculation and a risk-free rate based on the interest
                        rate for a five-year Treasury Bill as reported by
                        Bloomberg on the date prior to pricing

COLLAR:                 A collar around the Measurement Price of PLUS OR MINUS
                        20% (the "Collar Range"). If the average closing price
                        of Dolphin common stock for 10 consecutive trading days
                        ending on the day prior to the date of the Starfish
                        special meeting of shareholders to approve the
                        transaction (the "Determination Price") is within the
                        Collar Range, then the Conversion Ratio shall not be
                        adjusted and shall be the same as determined above at
                        the time of the public announcement. If the
                        Determination Price is above or below the Collar Range,
                        then each share of Starfish shall receive that value
                        calculated for the Warrant at the high end of the Collar
                        Range or at the low end of the Collar Range,
                        respectively

LISTING:                On NASDAQ National Market

<PAGE>

SUMMARY OF PROPOSED TRANSACTION
===============================================================================
ANALYSIS OF CONSIDERATION

<TABLE>
<CAPTION>

         ---------------------------------------------------------------------------------------------------------------
                                        IMPLIED WARRANT                             WARRANT VALUE         TOTAL OFFER
                 DETERMINATION             PRICE PER         CONVERSION          PER STARFISH SHARE      VALUE PER SHARE
                   PRICE(a)           ONE DOLPHIN SHARE(b)      RATIO                AT CLOSING            AT CLOSING
         ---------------------------------------------------------------------------------------------------------------
                   <S>                     <C>                <C>                    <C>                    <C>
                   $10.00                  $ 4.69               0.386x               $ 1.81                  $15.06
                    11.00                    5.41               0.335x                 1.81                   15.06
         ---------------------------------------------------------------------------------------------------------------
                    11.48                    5.76               0.315x                 1.81                   15.06
                    12.00                    6.14               0.315x                 1.93                   15.18
                    13.00                    6.90               0.315x                 2.17                   15.42
                    14.00                    7.67               0.315x                 2.41                   15.66
                    14.35   (c)              7.95               0.315x                 2.50                   15.75
                    15.00                    8.46               0.315x                 2.66                   15.91
                    16.00                    9.26               0.315x                 2.91                   16.16
                    17.00                   10.07               0.315x                 3.17                   16.42
                    17.22                   10.25               0.315x                 3.23                   16.48
         ---------------------------------------------------------------------------------------------------------------
                    18.00                   10.89               0.296x                 3.23                   16.48
                    19.00                   11.73               0.275x                 3.23                   16.48
                    20.00                   12.57               0.257x                 3.23                   16.48
</TABLE>


- -------------------------------
(a)     10-TRADING DAY AVERAGE THROUGH THE DAY PRIOR TO THE DATE OF THE STARFISH
        SPECIAL MEETING OF SHAREHOLDERS TO APPROVE THE TRANSACTION.
(b)     ASSUMES 65% VOLATILITY, 5 YEARS TO EXPIRATION, A 5-YEAR RISK FREE RATE
        PER BLOOMBERG AND WARRANTS ISSUED AT $17.94 STRIKE PRICE PER DOLPHIN
        SHARE.
(c)     10-TRADING DAY AVERAGE UP TO, AND INCLUDING, MARCH 17, 2000.

<PAGE>

SUMMARY OF PROPOSED TRANSACTION
================================================================================
DOLPHIN/STARFISH RELATIONSHIP

- --------------------------------------------------------------------------------
                               STARFISH FORMATION
- --------------------------------------------------------------------------------

- -       Dolphin completed IPO of Starfish on December 16, 1997
        -       $94 million in net proceeds to Starfish from selling 6.325mm
                units (each unit consisting of 1 common share and a 5-year
                warrant to acquire 1/4 of a share of Dolphin for $55.84)

- -       Dolphin contributed $75 million cash to fund Starfish operations in
        return for 100% of Special Common Shares

- -       Dolphin and Starfish enter into various agreements
        -       Technology License Agreement
        -       Development Agreement
        -       Manufacturing and Marketing Agreement
        -       Albuterol/Product Option Agreement
        -       Stock Purchase Option Agreement
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                      AGREEMENTS BETWEEN DOLPHIN/STARFISH
- --------------------------------------------------------------------------------

- -       Technology License Agreement: Agreement in which Dolphin granted
        Starfish an exclusive, worldwide, perpetual, royalty-bearing license to
        use the Starfish technology in research, development and
        commercialization (except with respect to beclomethasone in Asia) of the
        Starfish products
        -       $2 million annual technology access fee payable by Starfish to
                Dolphin

- -       Development Agreement: Agreement under which Dolphin agreed to use
        commercially reasonable efforts to develop the Starfish products and to
        make certain other expenditures. Dolphin will furnish all labor,
        supervision, services, supplies, and materials necessary to perform the
        development

- -       Manufacturing and Marketing Agreement: Agreement under which Starfish
        granted Dolphin an exclusive, worldwide license to manufacture and
        market the Starfish products
        -       7% royalty payable to Starfish

- -       Albuterol and Product Option Agreement: Gives Dolphin the option to
        acquire the Albuterol assets and the assets related to other Starfish
        products under development

- -       Stock Purchase Option: Gives Dolphin the right to purchase all of the
        Starfish callable common shares at escalating purchase option exercise
        prices
        -       Current purchase option exercise price of $25.26 per share
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          CAPITAL STRUCTURE/OWNERSHIP
- --------------------------------------------------------------------------------

        ---------------------         ---------
         Public Shareholders           Dolphin
        ---------------------         ---------

               100% of                 100% of
              Callable                 Special
               Common                  Common
                Stock                   Stock

                          Starfish


RIGHTS OF SPECIAL COMMON STOCKHOLDER

- -       All 1,000 shares held by Dolphin

- -       Entitles Dolphin to nominate 2 persons to Starfish Board of Directors

- -       Veto rights with respect to certain significant corporate actions

- -       No rights to profits of Starfish or ability to vote in regularly
        scheduled Starfish shareholder meetings (except with respect to certain
        significant corporate transactions)
- --------------------------------------------------------------------------------

<PAGE>

================================================================================

                              OVERVIEW OF STARFISH

================================================================================

<PAGE>

OVERVIEW OF STARFISH
================================================================================
SUMMARY

        Special Purpose Corp. offered to public on 12/16/97

                -       Holds proprietary drug delivery technology (Starfish
                        Cassette) for use with specific drug formulations

                -       Partial cash contribution by Dolphin ($75 million)

                -       Additional $101 mm raised from public investors
                        (6,325,000 Units sold @ $16 each)

        Starfish traded as Units through 12/31/99, with each unit consisting of:

                -       Callable Starfish common share (callable by Dolphin)

                -       Warrant to purchase 1/4 Dolphin share at 25% premium
                        (exercise price=$55.84; expires 12/31/02)

        Starfish pays Dolphin:

                -       Reimbursement of expenses incurred in connection with
                        Starfish-related development activities (on cost-plus
                        basis)

                -       Annual Technology Access Fee ($2 million per year)

<PAGE>

OVERVIEW OF STARFISH
================================================================================
SUMMARY (CONT'D)

        Dolphin has option to buy Starfish at per share prices that escalate as
        set forth in the Starfish charter

                -       Dolphin's Purchase Option expires upon earlier of
                        12/31/2002 or 90 days following Starfish reporting less
                        than $5 million cash (assuming Dolphin does not provide
                        it with additional funding)

        Starfish has granted Dolphin an exclusive worldwide license to
        manufacture and market Starfish products in exchange for a 7% royalty

                -       Dolphin has agreed to use diligent efforts to commence
                        sales of each Starfish product upon FDA approval

                -       Manufacturing and marketing agreement terminates upon
                        exercise or termination of Purchase Option

        Initial focus on leading asthma drugs in combination with Starfish
        delivery technology

                -       Beclomethasone--steroid (Phase III on-going)

                -       Budesonide--steroid (Phase II on-going)

                -       Albuterol--beta agonist (Dolphin intends to suspend
                        development upon consummation of transaction)

                -       Ipratropium--anticholinergic (work has been suspended)

                -       Ipratropium/Albuterol--combination (work has been
                        suspended)

<PAGE>

OVERVIEW OF STARFISH
================================================================================
TECHNOLOGY UNDERLYING STARFISH

        Starfish system is designed to aerosolize pharmaceuticals in dry powder
        formulations

        NDA was submitted for Albuterol in the Starfish cassette system in 11/97

        In 11/98, Starfish received complete response letter from FDA indicating
        NDA would not be approved unless certain deficiencies were addressed

                -       Completion of additional clinical trials to ensure
                        reliability; System used in original clinical trials was
                        enhanced in commercial manuf. system

                -       Resolution of several chemistry, manufacturing, and
                        control issues, as well as certain electromechanical
                        reliability issues

        In 2/99, Dolphin and Starfish determined requirements for Starfish
        clinical trial program and announced priority development for steroid
        products, based on market dynamics

        Additional clinical studies initiated (through Starfish)

                -       Beclomethasone patient dosing for pivotal trial began in
                        October

                -       Budesonide patient dosing for dose targeting (Phase II)
                        began in October

        Dolphin believes that if successful, these clinical studies should allow
        for product launches in the 2001-2002 time frame, if each product is
        approved by the FDA

        Dolphin intends to suspend development of Albuterol upon consummation of
        transaction

<PAGE>


OVERVIEW OF STARFISH
================================================================================
SUMMARY INCOME STATEMENT (a)
(DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                   2000F    2001F    2002F    2003F    2004F    2005F    2006F    2007F
                                  -------  -------  -------  -------  -------  -------  -------  -------
<S>                               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
    OPERATING STATISTICS
- ----------------------------
Sales                                $0.0     $6.1    $43.1   $176.6   $257.3   $321.2   $387.9   $453.2
EBIDTA                               (6.0)   (17.5)   (44.2)    44.1    118.3    172.2    224.3    278.3
Net Income                           (2.7)   (11.9)   (33.2)    23.0     72.9    111.1    149.2    190.0

         CASH FLOW
- ----------------------------
Development Costs                   $27.4    $28.9     $4.6     $0.0     $0.0     $0.0     $0.0     $0.0
Capital Expenditures                  5.0     11.0     10.5      3.0      2.5      3.5      6.5      2.0
</TABLE>

- ----------------------------
(a) PER DOLPHIN MANAGEMENT PROJECTIONS; ASSUMES CESSATION OF DEVELOPMENT WORK ON
    STARFISH ALBUTEROL.

<PAGE>

OVERVIEW OF STARFISH
================================================================================
STARFISH TRADING ANALYSIS (12/22/97-PRESENT)


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         17-Dec-97       17.50       26.96               24.01
         18-Dec-97       17.25       26.96               24.01
         19-Dec-97       17.25       26.96               24.01
         22-Dec-97       17.31       26.96               24.01
         23-Dec-97       17.00       26.96               24.01
         24-Dec-97       17.00       26.96               24.01
         26-Dec-97       17.06       26.96               24.01
         29-Dec-97       16.63       26.96               24.01
         30-Dec-97       16.88       26.96               24.01
         31-Dec-97       17.13       26.96               24.01
          2-Jan-98       17.19       26.96               24.01
          5-Jan-98       17.38       26.96               24.01
          6-Jan-98       17.25       26.96               24.01
          7-Jan-98       17.13       26.96               24.01
          8-Jan-98       17.00       26.96               24.01
          9-Jan-98       17.00       26.96               24.01
         12-Jan-98       16.69       26.96               24.01
         13-Jan-98       16.88       26.96               24.01
         14-Jan-98       17.25       26.96               24.01
         15-Jan-98       17.00       26.96               24.01
         16-Jan-98       17.25       26.96               24.01
         20-Jan-98       17.13       26.96               24.01
         21-Jan-98       18.25       26.96               24.01
         22-Jan-98       18.50       26.96               24.01
         23-Jan-98       17.88       26.96               24.01
         26-Jan-98       17.81       26.96               24.01
         27-Jan-98       17.56       26.96               24.01
         28-Jan-98       17.69       26.96               24.01
         29-Jan-98       17.69       26.96               24.01
         30-Jan-98       17.81       26.96               24.01
          2-Feb-98       17.88       26.96               24.01
          3-Feb-98       17.75       26.96               24.01
          4-Feb-98       17.50       26.96               24.01
          5-Feb-98       17.50       26.96               24.01
          6-Feb-98       17.88       26.96               24.01
          9-Feb-98       17.50       26.96               24.01
         10-Feb-98       17.50       26.96               24.01
         11-Feb-98       17.63       26.96               24.01
         12-Feb-98       17.38       26.96               24.01
         13-Feb-98       17.69       26.96               24.01
         17-Feb-98       17.13       26.96               24.01
         18-Feb-98       17.25       26.96               24.01
         19-Feb-98       17.25       26.96               24.01

</TABLE>




<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         20-Feb-98       17.13       26.96               24.01
         23-Feb-98       17.50       26.96               24.01
         24-Feb-98       17.38       26.96               24.01
         25-Feb-98       14.75       26.96               24.01
         26-Feb-98       14.75       26.96               24.01
         27-Feb-98       14.50       26.96               24.01
          2-Mar-98       14.50       26.96               24.01
          3-Mar-98       14.25       26.96               24.01
          4-Mar-98       14.00       26.96               24.01
          5-Mar-98       14.50       26.96               24.01
          6-Mar-98       14.75       26.96               24.01
          9-Mar-98       14.75       26.96               24.01
         10-Mar-98       15.63       26.96               24.01
         11-Mar-98       15.38       26.96               24.01
         12-Mar-98       15.38       26.96               24.01
         13-Mar-98       15.38       26.96               24.01
         16-Mar-98       15.25       26.96               24.01
         17-Mar-98       15.75       26.96               24.01
         18-Mar-98       16.38       26.96               24.01
         19-Mar-98       17.00       26.96               24.01
         20-Mar-98       16.63       26.96               24.01
         23-Mar-98       16.75       26.96               24.01
         24-Mar-98       16.63       26.96               24.01
         25-Mar-98       16.38       26.96               24.01
         26-Mar-98       16.38       26.96               24.01
         27-Mar-98       16.00       26.96               24.01
         30-Mar-98       16.00       26.96               24.01
         31-Mar-98       16.00       26.96               24.01
          1-Apr-98       16.13       24.86               24.01
          2-Apr-98       16.00       24.86               24.01
          3-Apr-98       16.00       24.86               24.01
          6-Apr-98       16.25       24.86               24.01
          7-Apr-98       16.50       24.86               24.01
          8-Apr-98       16.25       24.86               24.01
          9-Apr-98       16.75       24.86               24.01
         13-Apr-98       16.13       24.86               24.01
         14-Apr-98       16.25       24.86               24.01
         15-Apr-98       16.50       24.86               24.01
         16-Apr-98       16.00       24.86               24.01
         17-Apr-98       16.50       24.86               24.01
         20-Apr-98       16.13       24.86               24.01
         21-Apr-98       16.63       24.86               24.01
         22-Apr-98       17.25       24.86               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         23-Apr-98       16.88       24.86               24.01
         24-Apr-98       16.63       24.86               24.01
         27-Apr-98       16.50       24.86               24.01
         28-Apr-98       16.25       24.86               24.01
         29-Apr-98       16.50       24.86               24.01
         30-Apr-98       16.63       24.86               24.01
          1-May-98       16.88       24.86               24.01
          4-May-98       16.88       24.86               24.01
          5-May-98       16.50       24.86               24.01
          6-May-98       16.75       24.86               24.01
          7-May-98       16.88       24.86               24.01
          8-May-98       17.00       24.86               24.01
         11-May-98       16.63       24.86               24.01
         12-May-98       16.75       24.86               24.01
         13-May-98       17.06       24.86               24.01
         14-May-98       16.88       24.86               24.01
         15-May-98       16.75       24.86               24.01
         18-May-98       16.75       24.86               24.01
         19-May-98       17.00       24.86               24.01
         20-May-98       16.50       24.86               24.01
         21-May-98       17.00       24.86               24.01
         22-May-98       16.63       24.86               24.01
         26-May-98       16.50       24.86               24.01
         27-May-98       16.25       24.86               24.01
         28-May-98       16.38       24.86               24.01
         29-May-98       16.63       24.86               24.01
          1-Jun-98       16.38       24.86               24.01
          2-Jun-98       16.63       24.86               24.01
          3-Jun-98       16.38       24.86               24.01
          4-Jun-98       16.25       24.86               24.01
          5-Jun-98       16.38       24.86               24.01
          8-Jun-98       16.50       24.86               24.01
          9-Jun-98       16.63       24.86               24.01
         10-Jun-98       16.50       24.86               24.01
         11-Jun-98       16.50       24.86               24.01
         12-Jun-98       16.38       24.86               24.01
         15-Jun-98       17.00       24.86               24.01
         16-Jun-98       16.38       24.86               24.01
         17-Jun-98       16.50       24.86               24.01
         18-Jun-98       16.00       24.86               24.01
         19-Jun-98       16.00       24.86               24.01
         22-Jun-98       16.38       24.86               24.01
         23-Jun-98       16.00       24.86               24.01

</TABLE>



<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         24-Jun-98       16.00       24.86               24.01
         25-Jun-98       16.00       24.86               24.01
         26-Jun-98       16.25       24.86               24.01
         29-Jun-98       16.25       24.86               24.01
         30-Jun-98       16.13       24.86               24.01
          1-Jul-98       16.13       24.86               24.01
          2-Jul-98       16.00       23.17               24.01
          6-Jul-98       16.13       23.17               24.01
          7-Jul-98       16.13       23.17               24.01
          8-Jul-98       16.25       23.17               24.01
          9-Jul-98       16.13       23.17               24.01
         10-Jul-98       16.50       23.17               24.01
         13-Jul-98       16.13       23.17               24.01
         14-Jul-98       16.50       23.17               24.01
         15-Jul-98       16.44       23.17               24.01
         16-Jul-98       16.25       23.17               24.01
         17-Jul-98       16.75       23.17               24.01
         20-Jul-98       17.00       23.17               24.01
         21-Jul-98       16.25       23.17               24.01
         22-Jul-98       16.25       23.17               24.01
         23-Jul-98       16.25       23.17               24.01
         24-Jul-98       16.25       23.17               24.01
         27-Jul-98       16.25       23.17               24.01
         28-Jul-98       16.38       23.17               24.01
         29-Jul-98       16.75       23.17               24.01
         30-Jul-98       16.50       23.17               24.01
         31-Jul-98       16.50       23.17               24.01
          3-Aug-98       16.00       23.17               24.01
          4-Aug-98       15.88       23.17               24.01
          5-Aug-98       16.00       23.17               24.01
          6-Aug-98       16.00       23.17               24.01
          7-Aug-98       15.88       23.17               24.01
         10-Aug-98       15.88       23.17               24.01
         11-Aug-98       15.50       23.17               24.01
         12-Aug-98       15.63       23.17               24.01
         13-Aug-98       15.50       23.17               24.01
         14-Aug-98       15.25       23.17               24.01
         17-Aug-98       14.75       23.17               24.01
         18-Aug-98       14.75       23.17               24.01
         19-Aug-98       14.00       23.17               24.01
         20-Aug-98       14.00       23.17               24.01
         21-Aug-98       14.00       23.17               24.01
         24-Aug-98       14.13       23.17               24.01

</TABLE>



<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         25-Aug-98       14.13       23.17               24.01
         26-Aug-98       14.00       23.17               24.01
         27-Aug-98       13.38       23.17               24.01
         28-Aug-98       13.25       23.17               24.01
         31-Aug-98       13.00       23.17               24.01
          1-Sep-98       13.00       23.17               24.01
          2-Sep-98       13.00       23.17               24.01
          3-Sep-98       12.50       23.17               24.01
          4-Sep-98       12.38       23.17               24.01
          8-Sep-98       12.50       23.17               24.01
          9-Sep-98       12.88       23.17               24.01
         10-Sep-98       12.63       23.17               24.01
         11-Sep-98       12.38       23.17               24.01
         14-Sep-98       12.50       23.17               24.01
         15-Sep-98       12.63       23.17               24.01
         16-Sep-98       12.50       23.17               24.01
         17-Sep-98       12.50       23.17               24.01
         18-Sep-98       12.63       23.17               24.01
         21-Sep-98       12.38       23.17               24.01
         22-Sep-98       12.63       23.17               24.01
         23-Sep-98       12.44       23.17               24.01
         24-Sep-98        9.88       23.17               24.01
         25-Sep-98       10.50       23.17               24.01
         28-Sep-98       11.00       23.17               24.01
         29-Sep-98       12.00       23.17               24.01
         30-Sep-98       12.25       23.17               24.01
          1-Oct-98       11.75       21.38               24.01
          2-Oct-98       11.75       21.38               24.01
          5-Oct-98       11.75       21.38               24.01
          6-Oct-98       11.75       21.38               24.01
          7-Oct-98       11.38       21.38               24.01
          8-Oct-98       10.75       21.38               24.01
          9-Oct-98       10.75       21.38               24.01
         12-Oct-98       11.00       21.38               24.01
         13-Oct-98       10.13       21.38               24.01
         14-Oct-98       10.25       21.38               24.01
         15-Oct-98       10.88       21.38               24.01
         16-Oct-98       10.50       21.38               24.01
         19-Oct-98       10.50       21.38               24.01
         20-Oct-98       10.63       21.38               24.01
         21-Oct-98       10.75       21.38               24.01
         22-Oct-98       11.38       21.38               24.01
         23-Oct-98       11.63       21.38               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         26-Oct-98       11.50       21.38               24.01
         27-Oct-98       11.13       21.38               24.01
         28-Oct-98       11.00       21.38               24.01
         29-Oct-98       10.88       21.38               24.01
         30-Oct-98       10.75       21.38               24.01
          2-Nov-98       10.88       21.38               24.01
          3-Nov-98       10.75       21.38               24.01
          4-Nov-98        7.69       21.38               24.01
          5-Nov-98        7.50       21.38               24.01
          6-Nov-98        7.75       21.38               24.01
          9-Nov-98        7.25       21.38               24.01
         10-Nov-98        6.63       21.38               24.01
         11-Nov-98        7.63       21.38               24.01
         12-Nov-98        8.50       21.38               24.01
         13-Nov-98        8.25       21.38               24.01
         16-Nov-98        8.63       21.38               24.01
         17-Nov-98        8.81       21.38               24.01
         18-Nov-98        9.31       21.38               24.01
         19-Nov-98        9.88       21.38               24.01
         20-Nov-98        9.75       21.38               24.01
         23-Nov-98       10.00       21.38               24.01
         24-Nov-98        9.00       21.38               24.01
         25-Nov-98        8.75       21.38               24.01
         27-Nov-98        8.50       21.38               24.01
         30-Nov-98        8.50       21.38               24.01
          1-Dec-98        8.50       21.38               24.01
          2-Dec-98        8.88       21.38               24.01
          3-Dec-98        9.38       21.38               24.01
          4-Dec-98        9.25       21.38               24.01
          7-Dec-98        9.25       21.38               24.01
          8-Dec-98        9.59       21.38               24.01
          9-Dec-98        9.50       21.38               24.01
         10-Dec-98        9.25       21.38               24.01
         11-Dec-98        8.75       21.38               24.01
         14-Dec-98        8.81       21.38               24.01
         15-Dec-98        9.00       21.38               24.01
         16-Dec-98       10.25       21.38               24.01
         17-Dec-98       10.75       21.38               24.01
         18-Dec-98       10.25       21.38               24.01
         21-Dec-98       10.00       21.38               24.01
         22-Dec-98        9.88       21.38               24.01
         23-Dec-98        9.63       21.38               24.01
         24-Dec-98        9.25       21.38               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         28-Dec-98        8.38       21.38               24.01
         29-Dec-98        9.19       21.38               24.01
         30-Dec-98        8.75       21.38               24.01
         31-Dec-98        8.94       21.38               24.01
          4-Jan-99        8.75       19.54               24.01
          5-Jan-99        9.25       19.54               24.01
          6-Jan-99       10.38       19.54               24.01
          7-Jan-99        9.50       19.54               24.01
          8-Jan-99        8.81       19.54               24.01
         11-Jan-99        9.00       19.54               24.01
         12-Jan-99        8.28       19.54               24.01
         13-Jan-99        8.50       19.54               24.01
         14-Jan-99        8.50       19.54               24.01
         15-Jan-99        8.50       19.54               24.01
         19-Jan-99        9.13       19.54               24.01
         20-Jan-99        8.25       19.54               24.01
         21-Jan-99        8.63       19.54               24.01
         22-Jan-99        8.75       19.54               24.01
         25-Jan-99        8.50       19.54               24.01
         26-Jan-99        8.63       19.54               24.01
         27-Jan-99        8.38       19.54               24.01
         28-Jan-99        8.69       19.54               24.01
         29-Jan-99        8.38       19.54               24.01
          1-Feb-99        8.25       19.54               24.01
          2-Feb-99        8.69       19.54               24.01
          3-Feb-99        9.06       19.54               24.01
          4-Feb-99        9.00       19.54               24.01
          5-Feb-99        9.00       19.54               24.01
          8-Feb-99        8.94       19.54               24.01
          9-Feb-99        8.69       19.54               24.01
         10-Feb-99        8.75       19.54               24.01
         11-Feb-99        8.75       19.54               24.01
         12-Feb-99        8.66       19.54               24.01
         16-Feb-99        8.63       19.54               24.01
         17-Feb-99        8.63       19.54               24.01
         18-Feb-99        8.44       19.54               24.01
         19-Feb-99        8.75       19.54               24.01
         22-Feb-99        8.38       19.54               24.01
         23-Feb-99        8.31       19.54               24.01
         24-Feb-99        8.31       19.54               24.01
         25-Feb-99        8.38       19.54               24.01
         26-Feb-99        8.56       19.54               24.01
          1-Mar-99        8.56       19.54               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
          2-Mar-99        8.38       19.54               24.01
          3-Mar-99        8.50       19.54               24.01
          4-Mar-99        8.50       19.54               24.01
          5-Mar-99        8.50       19.54               24.01
          8-Mar-99        8.75       19.54               24.01
          9-Mar-99        8.75       19.54               24.01
         10-Mar-99        8.50       19.54               24.01
         11-Mar-99        8.50       19.54               24.01
         12-Mar-99        8.50       19.54               24.01
         15-Mar-99        8.56       19.54               24.01
         16-Mar-99        8.88       19.54               24.01
         17-Mar-99        8.63       19.54               24.01
         18-Mar-99        8.50       19.54               24.01
         19-Mar-99        8.50       19.54               24.01
         22-Mar-99        8.50       19.54               24.01
         23-Mar-99        8.50       19.54               24.01
         24-Mar-99        8.56       19.54               24.01
         25-Mar-99        8.50       19.54               24.01
         26-Mar-99        8.75       19.54               24.01
         29-Mar-99        8.50       19.54               24.01
         30-Mar-99        8.38       19.54               24.01
         31-Mar-99        8.50       19.54               24.01
          1-Apr-99        8.38       17.73               24.01
          5-Apr-99        8.50       17.73               24.01
          6-Apr-99        8.50       17.73               24.01
          7-Apr-99        8.75       17.73               24.01
          8-Apr-99        8.81       17.73               24.01
          9-Apr-99        9.25       17.73               24.01
         12-Apr-99        9.13       17.73               24.01
         13-Apr-99        9.25       17.73               24.01
         14-Apr-99        9.38       17.73               24.01
         15-Apr-99        9.38       17.73               24.01
         16-Apr-99        9.50       17.73               24.01
         19-Apr-99        9.94       17.73               24.01
         20-Apr-99        9.88       17.73               24.01
         21-Apr-99        9.63       17.73               24.01
         22-Apr-99        9.88       17.73               24.01
         23-Apr-99       10.00       17.73               24.01
         26-Apr-99        9.75       17.73               24.01
         27-Apr-99       10.13       17.73               24.01
         28-Apr-99       10.63       17.73               24.01
         29-Apr-99       10.25       17.73               24.01
         30-Apr-99       10.06       17.73               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
          3-May-99       10.25       17.73               24.01
          4-May-99       10.25       17.73               24.01
          5-May-99       10.25       17.73               24.01
          6-May-99        9.63       17.73               24.01
          7-May-99        9.50       17.73               24.01
         10-May-99        9.69       17.73               24.01
         11-May-99        9.50       17.73               24.01
         12-May-99        9.50       17.73               24.01
         13-May-99        9.75       17.73               24.01
         14-May-99        9.50       17.73               24.01
         17-May-99        9.38       17.73               24.01
         18-May-99        9.50       17.73               24.01
         19-May-99        9.38       17.73               24.01
         20-May-99        9.38       17.73               24.01
         21-May-99        9.38       17.73               24.01
         24-May-99        9.38       17.73               24.01
         25-May-99        9.50       17.73               24.01
         26-May-99        9.38       17.73               24.01
         27-May-99        9.88       17.73               24.01
         28-May-99        9.63       17.73               24.01
          1-Jun-99        9.69       17.73               24.01
          2-Jun-99        9.63       17.73               24.01
          3-Jun-99        9.50       17.73               24.01
          4-Jun-99        9.38       17.73               24.01
          7-Jun-99        9.69       17.73               24.01
          8-Jun-99        9.69       17.73               24.01
          9-Jun-99        9.50       17.73               24.01
         10-Jun-99        9.50       17.73               24.01
         11-Jun-99        9.56       17.73               24.01
         14-Jun-99        9.38       17.73               24.01
         15-Jun-99        9.69       17.73               24.01
         16-Jun-99        9.38       17.73               24.01
         17-Jun-99        9.69       17.73               24.01
         18-Jun-99        9.56       17.73               24.01
         21-Jun-99        9.56       17.73               24.01
         22-Jun-99        9.56       17.73               24.01
         23-Jun-99        9.06       17.73               24.01
         24-Jun-99        9.06       17.73               24.01
         25-Jun-99        9.00       17.73               24.01
         28-Jun-99        8.75       17.73               24.01
         29-Jun-99        9.00       17.73               24.01
         30-Jun-99        8.75       17.73               24.01
          1-Jul-99        8.75       15.73               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
          2-Jul-99        9.00       15.73               24.01
          6-Jul-99        8.75       15.73               24.01
          7-Jul-99        8.75       15.73               24.01
          8-Jul-99        8.75       15.73               24.01
          9-Jul-99        8.38       15.73               24.01
         12-Jul-99        8.25       15.73               24.01
         13-Jul-99        7.50       15.73               24.01
         14-Jul-99        7.69       15.73               24.01
         15-Jul-99        7.75       15.73               24.01
         16-Jul-99        7.75       15.73               24.01
         19-Jul-99        7.69       15.73               24.01
         20-Jul-99        7.63       15.73               24.01
         21-Jul-99        7.63       15.73               24.01
         22-Jul-99        7.63       15.73               24.01
         23-Jul-99        7.72       15.73               24.01
         26-Jul-99        7.75       15.73               24.01
         27-Jul-99        7.75       15.73               24.01
         28-Jul-99        7.88       15.73               24.01
         29-Jul-99        7.81       15.73               24.01
         30-Jul-99        8.00       15.73               24.01
          2-Aug-99        7.98       15.73               24.01
          3-Aug-99        7.98       15.73               24.01
          4-Aug-99        7.88       15.73               24.01
          5-Aug-99        7.88       15.73               24.01
          6-Aug-99        7.75       15.73               24.01
          9-Aug-99        7.50       15.73               24.01
         10-Aug-99        7.38       15.73               24.01
         11-Aug-99        7.38       15.73               24.01
         12-Aug-99        7.00       15.73               24.01
         13-Aug-99        7.25       15.73               24.01
         16-Aug-99        7.38       15.73               24.01
         17-Aug-99        7.00       15.73               24.01
         18-Aug-99        7.00       15.73               24.01
         19-Aug-99        7.25       15.73               24.01
         20-Aug-99        7.63       15.73               24.01
         23-Aug-99        7.63       15.73               24.01
         24-Aug-99        6.88       15.73               24.01
         25-Aug-99        7.00       15.73               24.01
         26-Aug-99        6.88       15.73               24.01
         27-Aug-99        7.00       15.73               24.01
         30-Aug-99        7.13       15.73               24.01
         31-Aug-99        6.75       15.73               24.01
          1-Sep-99        7.19       15.73               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
          2-Sep-99        6.75       15.73               24.01
          3-Sep-99        6.88       15.73               24.01
          7-Sep-99        7.00       15.73               24.01
          8-Sep-99        7.00       15.73               24.01
          9-Sep-99        7.00       15.73               24.01
         10-Sep-99        7.00       15.73               24.01
         13-Sep-99        7.13       15.73               24.01
         14-Sep-99        7.50       15.73               24.01
         15-Sep-99        7.50       15.73               24.01
         16-Sep-99        7.50       15.73               24.01
         17-Sep-99        7.13       15.73               24.01
         20-Sep-99        7.00       15.73               24.01
         21-Sep-99        7.00       15.73               24.01
         22-Sep-99        6.88       15.73               24.01
         23-Sep-99        6.88       15.73               24.01
         24-Sep-99        6.94       15.73               24.01
         27-Sep-99        6.63       15.73               24.01
         28-Sep-99        6.75       15.73               24.01
         29-Sep-99        6.88       15.73               24.01
         30-Sep-99        7.00       15.73               24.01
          1-Oct-99        6.81       13.23               24.01
          4-Oct-99        7.00       13.23               24.01
          5-Oct-99        7.06       13.23               24.01
          6-Oct-99        6.63       13.23               24.01
          7-Oct-99        6.63       13.23               24.01
          8-Oct-99        6.63       13.23               24.01
         11-Oct-99        6.75       13.23               24.01
         12-Oct-99        6.75       13.23               24.01
         13-Oct-99        6.50       13.23               24.01
         14-Oct-99        6.69       13.23               24.01
         15-Oct-99        6.50       13.23               24.01
         18-Oct-99        6.00       13.23               24.01
         19-Oct-99        6.00       13.23               24.01
         20-Oct-99        6.00       13.23               24.01
         21-Oct-99        6.00       13.23               24.01
         22-Oct-99        6.25       13.23               24.01
         25-Oct-99        6.13       13.23               24.01
         26-Oct-99        6.00       13.23               24.01
         11-Nov-99        5.44       13.23               24.01
         12-Nov-99        5.63       13.23               24.01
         15-Nov-99        5.44       13.23               24.01
         16-Nov-99        5.75       13.23               24.01
         17-Nov-99        5.50       13.23               24.01

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         18-Nov-99        5.44       13.23               24.01
         19-Nov-99        5.31       13.23               24.01
         22-Nov-99        5.31       13.23               24.01
         23-Nov-99        5.88       13.23               24.01
         24-Nov-99        5.38       13.23               24.01
         26-Nov-99        5.31       13.23               24.01
         29-Nov-99        4.88       13.23               24.01
         30-Nov-99        5.06       13.23               24.01
          1-Dec-99        5.06       13.23               24.01
          2-Dec-99        5.00       13.23               24.01
          3-Dec-99        5.00       13.23               24.01
          6-Dec-99        5.06       13.23               24.01
          7-Dec-99        5.00       13.23               24.01
          8-Dec-99        5.00       13.23               24.01
          9-Dec-99        5.00       13.23               24.01
         10-Dec-99        5.06       13.23               24.01
         13-Dec-99        5.19       13.23               24.01
         14-Dec-99        5.06       13.23               24.01
         15-Dec-99        5.13       13.23               24.01
         16-Dec-99        5.19       13.23               24.01
         17-Dec-99        5.31       13.23               24.01
         20-Dec-99        5.19       13.23               24.01
         21-Dec-99        5.25       13.23               24.01
         22-Dec-99        5.88       13.23               24.01
         23-Dec-99        6.13       13.23               24.01
         24-Dec-99        7.50       13.23               24.01
         27-Dec-99        7.75       13.23               24.01
         28-Dec-99        7.63       13.23               24.01
         29-Dec-99        7.63       13.23               24.01
         30-Dec-99        8.00       13.23               24.01
         31-Dec-99        8.00       13.23               24.01
          3-Jan-00        8.00       13.23               25.26
          4-Jan-00        8.44       13.23               25.26
          5-Jan-00        8.50       13.23               25.26
          6-Jan-00        9.25       10.28               25.26
          7-Jan-00        8.88       10.28               25.26
         10-Jan-00       10.25       10.28               25.26
         11-Jan-00       10.00       10.28               25.26
         12-Jan-00       10.00       10.28               25.26
         13-Jan-00       10.00       10.28               25.26
         14-Jan-00       10.25       10.28               25.26
         17-Jan-00       10.00       10.28               25.26
         18-Jan-00        9.88       10.28               25.26

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         19-Jan-00        9.81       10.28               25.26
         20-Jan-00       10.25       10.28               25.26
         21-Jan-00       10.00       10.28               25.26
         24-Jan-00       10.00       10.28               25.26
         25-Jan-00        9.38       10.28               25.26
         26-Jan-00        9.13       10.28               25.26
         27-Jan-00        8.94       10.28               25.26
         28-Jan-00        9.00       10.28               25.26
         31-Jan-00        9.25       10.28               25.26
          1-Feb-00        9.25       10.28               25.26
          2-Feb-00        9.63       10.28               25.26
          3-Feb-00       11.00       10.28               25.26
          4-Feb-00       10.50       10.28               25.26
          7-Feb-00       10.50       10.28               25.26
          8-Feb-00       11.50       10.28               25.26
          9-Feb-00       12.00       10.28               25.26
         10-Feb-00       11.63       10.28               25.26
         11-Feb-00       11.50       10.28               25.26
         14-Feb-00       12.00       10.28               25.26
         15-Feb-00       12.19       10.28               25.26
         16-Feb-00       12.06       10.28               25.26
         17-Feb-00       12.31       10.28               25.26
         18-Feb-00       12.13       10.28               25.26
         21-Feb-00       12.25       10.28               25.26
         22-Feb-00       12.13       10.28               25.26
         23-Feb-00       12.06       10.28               25.26
         24-Feb-00       12.13       10.28               25.26
         25-Feb-00       12.00       10.28               25.26
         28-Feb-00       12.50       10.28               25.26
         29-Feb-00       12.13       10.28               25.26
          1-Mar-00       12.50        8.74               25.26
          2-Mar-00       12.13        8.74               25.26
          3-Mar-00       12.06        8.74               25.26
          6-Mar-00       12.06        8.74               25.26
          7-Mar-00       12.06        8.74               25.26
          8-Mar-00       12.13        8.74               25.26
          9-Mar-00       12.00        8.74               25.26
         10-Mar-00       12.06        8.74               25.26
         13-Mar-00       12.06        8.74               25.26
         14-Mar-00       12.88        8.74               25.26
         15-Mar-00       12.56        8.74               25.26
         16-Mar-00       12.56        8.74               25.26
         17-Mar-00       12.56        8.74               25.26

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         20-Mar-00                                       25.26
         21-Mar-00                                       25.26
         22-Mar-00                                       25.26
         23-Mar-00                                       25.26
         24-Mar-00                                       25.26
         27-Mar-00                                       25.26
         28-Mar-00                                       25.26
         29-Mar-00                                       25.26
         30-Mar-00                                       25.26
         31-Mar-00                                       25.26
          3-Apr-00                                       26.57
          4-Apr-00                                       26.57
          5-Apr-00                                       26.57
          6-Apr-00                                       26.57
          7-Apr-00                                       26.57
         10-Apr-00                                       26.57
         11-Apr-00                                       26.57
         12-Apr-00                                       26.57
         13-Apr-00                                       26.57
         14-Apr-00                                       26.57
         17-Apr-00                                       26.57
         18-Apr-00                                       26.57
         19-Apr-00                                       26.57
         20-Apr-00                                       26.57
         21-Apr-00                                       26.57
         24-Apr-00                                       26.57
         25-Apr-00                                       26.57
         26-Apr-00                                       26.57
         27-Apr-00                                       26.57
         28-Apr-00                                       26.57
          1-May-00                                       26.57
          2-May-00                                       26.57
          3-May-00                                       26.57
          4-May-00                                       26.57
          5-May-00                                       26.57
          8-May-00                                       26.57
          9-May-00                                       26.57
         10-May-00                                       26.57
         11-May-00                                       26.57
         12-May-00                                       26.57
         15-May-00                                       26.57
         16-May-00                                       26.57
         17-May-00                                       26.57

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         18-May-00                                       26.57
         19-May-00                                       26.57
         22-May-00                                       26.57
         23-May-00                                       26.57
         24-May-00                                       26.57
         25-May-00                                       26.57
         26-May-00                                       26.57
         29-May-00                                       26.57
         30-May-00                                       26.57
         31-May-00                                       26.57
          1-Jun-00                                       26.57
          2-Jun-00                                       26.57
          5-Jun-00                                       26.57
          6-Jun-00                                       26.57
          7-Jun-00                                       26.57
          8-Jun-00                                       26.57
          9-Jun-00                                       26.57
         12-Jun-00                                       26.57
         13-Jun-00                                       26.57
         14-Jun-00                                       26.57
         15-Jun-00                                       26.57
         16-Jun-00                                       26.57
         19-Jun-00                                       26.57
         20-Jun-00                                       26.57
         21-Jun-00                                       26.57
         22-Jun-00                                       26.57
         23-Jun-00                                       26.57
         26-Jun-00                                       26.57
         27-Jun-00                                       26.57
         28-Jun-00                                       26.57
         29-Jun-00                                       26.57
         30-Jun-00                                       26.57
          3-Jul-00                                       27.96
          4-Jul-00                                       27.96
          5-Jul-00                                       27.96
          6-Jul-00                                       27.96
          7-Jul-00                                       27.96
         10-Jul-00                                       27.96
         11-Jul-00                                       27.96
         12-Jul-00                                       27.96
         13-Jul-00                                       27.96
         14-Jul-00                                       27.96
         17-Jul-00                                       27.96

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         18-Jul-00                                       27.96
         19-Jul-00                                       27.96
         20-Jul-00                                       27.96
         21-Jul-00                                       27.96
         24-Jul-00                                       27.96
         25-Jul-00                                       27.96
         26-Jul-00                                       27.96
         27-Jul-00                                       27.96
         28-Jul-00                                       27.96
         31-Jul-00                                       27.96
          1-Aug-00                                       27.96
          2-Aug-00                                       27.96
          3-Aug-00                                       27.96
          4-Aug-00                                       27.96
          7-Aug-00                                       27.96
          8-Aug-00                                       27.96
          9-Aug-00                                       27.96
         10-Aug-00                                       27.96
         11-Aug-00                                       27.96
         14-Aug-00                                       27.96
         15-Aug-00                                       27.96
         16-Aug-00                                       27.96
         17-Aug-00                                       27.96
         18-Aug-00                                       27.96
         21-Aug-00                                       27.96
         22-Aug-00                                       27.96
         23-Aug-00                                       27.96
         24-Aug-00                                       27.96
         25-Aug-00                                       27.96
         28-Aug-00                                       27.96
         29-Aug-00                                       27.96
         30-Aug-00                                       27.96
         31-Aug-00                                       27.96
          1-Sep-00                                       27.96
          4-Sep-00                                       27.96
          5-Sep-00                                       27.96
          6-Sep-00                                       27.96
          7-Sep-00                                       27.96
          8-Sep-00                                       27.96
         11-Sep-00                                       27.96
         12-Sep-00                                       27.96
         13-Sep-00                                       27.96
         14-Sep-00                                       27.96

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         15-Sep-00                                       27.96
         18-Sep-00                                       27.96
         19-Sep-00                                       27.96
         20-Sep-00                                       27.96
         21-Sep-00                                       27.96
         22-Sep-00                                       27.96
         25-Sep-00                                       27.96
         26-Sep-00                                       27.96
         27-Sep-00                                       27.96
         28-Sep-00                                       27.96
         29-Sep-00                                       27.96
          2-Oct-00                                       29.41
          3-Oct-00                                       29.41
          4-Oct-00                                       29.41
          5-Oct-00                                       29.41
          6-Oct-00                                       29.41
          9-Oct-00                                       29.41
         10-Oct-00                                       29.41
         11-Oct-00                                       29.41
         12-Oct-00                                       29.41
         13-Oct-00                                       29.41
         16-Oct-00                                       29.41
         17-Oct-00                                       29.41
         18-Oct-00                                       29.41
         19-Oct-00                                       29.41
         20-Oct-00                                       29.41
         23-Oct-00                                       29.41
         24-Oct-00                                       29.41
         25-Oct-00                                       29.41
         26-Oct-00                                       29.41
         27-Oct-00                                       29.41
         30-Oct-00                                       29.41
         31-Oct-00                                       29.41
          1-Nov-00                                       29.41
          2-Nov-00                                       29.41
          3-Nov-00                                       29.41
          6-Nov-00                                       29.41
          7-Nov-00                                       29.41
          8-Nov-00                                       29.41
          9-Nov-00                                       29.41
         10-Nov-00                                       29.41
         13-Nov-00                                       29.41
         14-Nov-00                                       29.41

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                         SHARE     CASH PER     PURCHASE OPTION
            DATE         PRICE       SHARE      EXERCISE PRICE
            ----         -----       -----      --------------
         <S>             <C>       <C>          <C>
         15-Nov-00                                       29.41
         16-Nov-00                                       29.41
         17-Nov-00                                       29.41
         20-Nov-00                                       29.41
         21-Nov-00                                       29.41
         22-Nov-00                                       29.41
         23-Nov-00                                       29.41
         24-Nov-00                                       29.41
         27-Nov-00                                       29.41
         28-Nov-00                                       29.41
         29-Nov-00                                       29.41
         30-Nov-00                                       29.41
          1-Dec-00                                       29.41
          4-Dec-00                                       29.41
          5-Dec-00                                       29.41
          6-Dec-00                                       29.41
          7-Dec-00                                       29.41
          8-Dec-00                                       29.41
         11-Dec-00                                       29.41
         12-Dec-00                                       29.41
         13-Dec-00                                       29.41
         14-Dec-00                                       29.41
         15-Dec-00                                       29.41
         18-Dec-00                                       29.41
         19-Dec-00                                       29.41
         20-Dec-00                                       29.41
         21-Dec-00                                       29.41
         22-Dec-00                                       29.41
         25-Dec-00                                       29.41
         26-Dec-00                                       29.41
         27-Dec-00                                       29.41
         28-Dec-00                                       29.41
         29-Dec-00                                       29.41

</TABLE>


<PAGE>

================================================================================

                          STARFISH VALUATION ANALYSIS

================================================================================

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
DOLPHIN STOCK PRICE PERFORMANCE - LATEST 12 MONTHS


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
           3/12/1999       16.00
           3/15/1999       16.31
           3/16/1999       15.94
           3/17/1999       15.81
           3/18/1999       13.88
           3/19/1999       13.75
           3/22/1999       13.44
           3/23/1999       12.88
           3/24/1999       12.63
           3/25/1999       13.16
           3/26/1999       14.38
           3/29/1999       14.38
           3/30/1999       14.44
           3/31/1999       14.13
            4/1/1999       13.94
            4/5/1999       14.13
            4/6/1999       13.81
            4/7/1999       14.19
            4/8/1999       14.06
            4/9/1999       14.97
           4/12/1999       14.81
           4/13/1999       14.50
           4/14/1999       13.88
           4/15/1999       12.75
           4/16/1999       12.94
           4/19/1999       12.50
           4/20/1999       12.63
           4/21/1999       12.81
           4/22/1999       12.38
           4/23/1999       12.13
           4/26/1999       12.44
           4/27/1999       12.19
           4/28/1999       11.88
           4/29/1999       12.00
           4/30/1999       12.00
            5/3/1999       11.88
            5/4/1999       11.69
            5/5/1999       11.50
            5/6/1999       11.38
            5/7/1999       11.13
           5/10/1999       11.06
           5/11/1999       11.50
           5/12/1999       11.44
           5/13/1999       11.25

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
           5/14/1999       10.94
           5/17/1999       10.69
           5/18/1999       11.13
           5/19/1999       11.00
           5/20/1999       11.13
           5/21/1999       11.88
           5/24/1999       11.50
           5/25/1999       11.00
           5/26/1999       10.63
           5/27/1999       10.19
           5/28/1999       10.38
            6/1/1999       10.56
            6/2/1999       10.25
            6/3/1999       10.50
            6/4/1999       10.28
            6/7/1999       10.28
            6/8/1999       10.50
            6/9/1999       11.00
           6/10/1999       10.75
           6/11/1999       10.81
           6/14/1999       10.56
           6/15/1999       10.69
           6/16/1999       11.38
           6/17/1999       11.50
           6/18/1999       11.44
           6/21/1999       11.25
           6/22/1999       11.50
           6/23/1999       11.38
           6/24/1999       11.25
           6/25/1999       11.13
           6/28/1999       11.19
           6/29/1999       11.06
           6/30/1999       11.94
            7/1/1999       11.69
            7/2/1999       11.44
            7/6/1999       11.19
            7/7/1999       10.97
            7/8/1999       11.19
            7/9/1999       11.50
           7/12/1999       11.00
           7/13/1999       10.91
           7/14/1999       10.88
           7/15/1999       11.06
           7/16/1999       10.81

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
           7/19/1999       10.31
           7/20/1999       10.44
           7/21/1999       10.13
           7/22/1999       10.00
           7/23/1999        9.95
           7/26/1999       10.00
           7/27/1999       10.00
           7/28/1999       10.25
           7/29/1999       10.25
           7/30/1999       10.44
            8/2/1999       10.56
            8/3/1999       10.69
            8/4/1999       10.38
            8/5/1999       10.38
            8/6/1999       10.25
            8/9/1999       10.31
           8/10/1999       10.25
           8/11/1999       10.25
           8/12/1999       10.31
           8/13/1999       10.50
           8/16/1999       11.00
           8/17/1999       11.88
           8/18/1999       12.19
           8/19/1999       12.09
           8/20/1999       12.50
           8/23/1999       12.88
           8/24/1999       12.88
           8/25/1999       13.38
           8/26/1999       13.88
           8/27/1999       14.50
           8/30/1999       13.38
           8/31/1999       13.31
            9/1/1999       13.19
            9/2/1999       13.00
            9/3/1999       13.88
            9/7/1999       13.38
            9/8/1999       13.25
            9/9/1999       13.25
           9/10/1999       13.25
           9/13/1999       13.88
           9/14/1999       13.19
           9/15/1999       13.66
           9/16/1999       13.50
           9/17/1999       13.50

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
           9/20/1999       13.56
           9/21/1999       13.50
           9/22/1999       13.69
           9/23/1999       13.06
           9/24/1999       12.88
           9/27/1999       13.25
           9/28/1999       13.13
           9/29/1999       13.19
           9/30/1999       13.94
           10/1/1999       13.50
           10/4/1999       13.81
           10/5/1999       13.53
           10/6/1999       13.69
           10/7/1999       13.81
           10/8/1999       13.44
          10/11/1999       13.50
          10/12/1999       13.56
          10/13/1999       13.44
          10/14/1999       13.44
          10/15/1999       12.88
          10/18/1999       12.47
          10/19/1999       12.88
          10/20/1999       12.88
          10/21/1999       13.06
          10/22/1999       13.06
          10/25/1999       12.94
          10/26/1999       12.72
          10/27/1999       12.44
          10/28/1999       12.88
          10/29/1999       12.78
           11/1/1999       12.13
           11/2/1999       12.25
           11/3/1999       12.50
           11/4/1999       12.75
           11/5/1999       12.94
           11/8/1999       13.00
           11/9/1999       12.50
          11/10/1999       12.63
          11/11/1999       13.00
          11/12/1999       13.19
          11/15/1999       13.13
          11/16/1999       13.44
          11/17/1999       13.69
          11/18/1999       13.56

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
          11/19/1999       13.69
          11/22/1999       12.88
          11/23/1999       12.63
          11/24/1999       13.19
          11/26/1999       12.88
          11/29/1999       13.00
          11/30/1999       13.03
           12/1/1999       12.81
           12/2/1999       12.69
           12/3/1999       12.88
           12/6/1999       12.81
           12/7/1999       13.06
           12/8/1999       12.75
           12/9/1999       12.25
          12/10/1999       12.13
          12/13/1999       12.19
          12/14/1999       12.25
          12/15/1999       12.25
          12/16/1999       12.38
          12/17/1999       12.56
          12/20/1999       12.13
          12/21/1999       12.88
          12/22/1999       13.06
          12/23/1999       13.06
          12/27/1999       12.56
          12/28/1999       14.06
          12/29/1999       14.50
          12/30/1999       14.13
          12/31/1999       13.94
            1/3/2000       13.38
            1/4/2000       13.03
            1/5/2000       12.50
            1/6/2000       13.19
            1/7/2000       14.00
           1/10/2000       15.63
           1/11/2000       16.81
           1/12/2000       18.28
           1/13/2000       18.31
           1/14/2000       18.41
           1/18/2000       17.75
           1/19/2000       17.06
           1/20/2000       16.63
           1/21/2000       17.94
           1/24/2000       17.50

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE           PRICE
            ----           -----
           <S>           <C>
           1/25/2000       17.19
           1/26/2000       15.00
           1/27/2000       15.38
           1/28/2000       15.13
           1/31/2000       15.50
            2/1/2000       15.75
            2/2/2000       15.00
            2/3/2000       14.63
            2/4/2000       14.13
            2/7/2000       15.00
            2/8/2000       14.72
            2/9/2000       14.19
           2/10/2000       14.06
           2/11/2000       13.81
           2/14/2000       13.94
           2/15/2000       15.75
           2/16/2000       15.00
           2/17/2000       15.97
           2/18/2000       15.06
           2/22/2000       15.16
           2/23/2000       15.50
           2/24/2000       14.88
           2/25/2000       14.13
           2/28/2000       13.81
           2/29/2000       13.88
            3/1/2000       15.06
            3/2/2000       15.44
            3/3/2000       15.56
            3/6/2000       15.50
            3/7/2000       14.88
            3/8/2000       14.31
            3/9/2000       14.69
           3/10/2000       14.75
           3/13/2000       14.25
           3/14/2000       14.00
           3/15/2000       13.63
           3/16/2000       13.75
           3/17/2000       13.75

</TABLE>


<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
STOCK PRICE PERFORMANCE AND TRADED VOLUME - LATEST 12 MONTHS


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>            <C>        <C>
           2/18/1999        8.44       27100
           2/19/1999        8.75       27500
           2/22/1999        8.38         300
           2/23/1999        8.31        5600
           2/24/1999        8.31         100
           2/25/1999        8.38       77600
            3/2/1999        8.38        5300
            3/3/1999        8.50        2100
            3/8/1999        8.75         400
            3/9/1999        8.75        6900
           3/10/1999        8.50       13400
           3/11/1999        8.50       20900
           3/12/1999        8.50        3000
           3/14/1999        8.88       10100
           3/16/1999        8.88       10100
           3/17/1999        8.63        1600
           3/18/1999        8.50        1000
           3/19/1999        8.50        5300
           3/22/1999        8.50        7500
           3/23/1999        8.50        1200
           3/25/1999        8.50        8900
           3/26/1999        8.75        7100
           3/29/1999        8.50        4100
           3/30/1999        8.38        7400
           3/31/1999        8.50         800
            4/1/1999        8.38        3400
            4/5/1999        8.50        9200
            4/6/1999        8.50        1500
            4/7/1999        8.75       34800
            4/8/1999        8.81       15600
            4/9/1999        9.25        1800
           4/12/1999        9.13         400
           4/13/1999        9.25        2700
           4/14/1999        9.38        3500
           4/15/1999        9.38       11100
           4/16/1999        9.50        9700
           4/20/1999        9.88       17800
           4/21/1999        9.63         300
           4/22/1999        9.88        4600
           4/23/1999       10.00        1000
           4/26/1999        9.75        2400
           4/27/1999       10.13       23700
           4/28/1999       10.63        5800
           4/29/1999       10.25        1100

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>            <C>        <C>
           4/30/1999       10.06        1400
            5/3/1999       10.25        5400
            5/4/1999       10.25         500
            5/5/1999       10.25        9700
            5/6/1999        9.63        3500
            5/7/1999        9.50         300
           5/11/1999        9.50        3200
           5/12/1999        9.50        4000
           5/14/1999        9.50         100
           5/17/1999        9.38        1000
           5/18/1999        9.50        1000
           5/19/1999        9.38        4600
           5/20/1999        9.38        1000
           5/21/1999        9.38         600
           5/24/1999        9.38        5800
           5/26/1999        9.38        1500
           5/27/1999        9.88        1000
           5/28/1999        9.63         100
            6/3/1999        9.50         500
            6/4/1999        9.38         200
            6/9/1999        9.50        1700
           6/10/1999        9.50        1100
           6/14/1999        9.38         200
           6/16/1999        9.38        1100
           6/23/1999        9.06       22700
           6/24/1999        9.06         300
           6/25/1999        9.00        6100
           6/28/1999        8.75         500
           6/29/1999        9.00         200
           6/30/1999        8.75        1900
            7/1/1999        8.75         100
            7/2/1999        9.00         200
            7/6/1999        8.75        3300
            7/7/1999        8.75        1500
            7/8/1999        8.75        1700
            7/9/1999        8.38       24900
           7/12/1999        8.25       10500
           7/13/1999        7.50      398300
           7/14/1999        7.69       37100
           7/15/1999        7.75        4800
           7/16/1999        7.75        8100
           7/19/1999        7.69        2200
           7/20/1999        7.63         600
           7/21/1999        7.63        1100
           7/22/1999        7.63         700
           7/26/1999        7.75        6000

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>            <C>        <C>
           7/27/1999        7.75         300
           7/28/1999        7.88        4000
           7/29/1999        7.81        2200
           7/30/1999        8.00      170400
            8/4/1999        7.88        3700
            8/5/1999        7.88        3400
            8/6/1999        7.75        5000
            8/9/1999        7.50       67500
           8/10/1999        7.38         800
           8/11/1999        7.38        2900
           8/12/1999        7.00       35900
           8/13/1999        7.25      129000
           8/17/1999        7.00        1300
           8/18/1999        7.00        1000
           8/19/1999        7.25        1400
           8/20/1999        7.63        1000
           8/23/1999        7.63        2000
           8/24/1999        6.88        4700
           8/25/1999        7.00         300
           8/26/1999        6.88        6200
           8/27/1999        7.00        2500
           8/30/1999        7.13        7400
           8/31/1999        6.75        1300
            9/2/1999        6.75        8000
            9/3/1999        6.88         300
            9/7/1999        7.00        5600
            9/8/1999        7.00       12300
            9/9/1999        7.00        4600
           9/10/1999        7.00        4100
           9/13/1999        7.13         100
           9/14/1999        7.50        9300
           9/15/1999        7.50        2700
           9/16/1999        7.50        5700
           9/17/1999        7.13        6000
           9/20/1999        7.00        1400
           9/21/1999        7.00        2100
           9/22/1999        6.88       13600
           9/23/1999        6.88        8600
           9/27/1999        6.63        1700
           9/28/1999        6.75        4200
           9/29/1999        6.88       51600
           9/30/1999        7.00         500
           10/4/1999        7.00        1000
           10/5/1999        7.06        1000
           10/6/1999        6.63       52700
           10/7/1999        6.63        9100

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>            <C>        <C>
           10/8/1999        6.63         800
          10/11/1999        6.75        4100
          10/12/1999        6.75        1800
          10/13/1999        6.50        3400
          10/14/1999        6.69         500
          10/15/1999        6.50        5600
          10/18/1999        6.00        7200
          10/19/1999        6.00        2000
          10/20/1999        6.00        1000
          10/21/1999        6.00        1800
          10/22/1999        6.25       53000
          10/25/1999        6.13        2300
          10/26/1999        6.00        6200
          10/27/1999        6.00        1500
          10/28/1999        5.75        8200
          10/29/1999        5.69       13600
           11/1/1999        5.63        4000
           11/2/1999        5.06      147300
           11/3/1999        5.75       22900
           11/4/1999        5.38       32200
           11/8/1999        5.25        8100
           11/9/1999        5.06        6900
          11/10/1999        5.13       34900
          11/11/1999        5.44       15600
          11/12/1999        5.63       54900
          11/15/1999        5.44        2900
          11/16/1999        5.75        7100
          11/17/1999        5.50       72400
          11/18/1999        5.44       63500
          11/19/1999        5.31        6600
          11/22/1999        5.31        2000
          11/23/1999        5.88       24800
          11/24/1999        5.38       41700
          11/26/1999        5.31        3700
          11/29/1999        4.88       71400
          11/30/1999        5.06       33300
           12/1/1999        5.06       14500
           12/2/1999        5.00         100
           12/3/1999        5.00       42500
           12/6/1999        5.06      185700
           12/7/1999        5.00      162700
           12/8/1999        5.00       84800
           12/9/1999        5.00      392800
          12/10/1999        5.06       30200
          12/13/1999        5.19       11700
          12/14/1999        5.06       13100

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>             <C>        <C>
          12/15/1999        5.13      116600
          12/16/1999        5.19         400
          12/17/1999        5.31       64500
          12/20/1999        5.19       46700
          12/21/1999        5.25        6300
          12/22/1999        5.88       23200
          12/23/1999        6.13       36300
          12/27/1999        7.50       96600
          12/28/1999        7.75       19000
          12/29/1999        7.63        6600
          12/30/1999        7.63       35400
          12/31/1999        8.00       50800
            1/4/2000        8.44        4000
            1/5/2000        8.50        1400
            1/6/2000        9.25       62300
            1/7/2000        8.88       17700
           1/10/2000       10.25       59500
           1/11/2000       10.00       28400
           1/12/2000       10.00       21500
           1/13/2000       10.00       32000
           1/14/2000       10.25        4900
           1/18/2000       10.00        7100
           1/19/2000        9.88       19300
           1/20/2000        9.81       20400
           1/21/2000       10.25       87400
           1/24/2000       10.00       15800
           1/25/2000       10.00       46800
           1/26/2000        9.38       22500
           1/27/2000        9.13       12800
           1/28/2000        8.94       48400
           1/31/2000        9.00       14700
            2/1/2000        9.25       54000
            2/2/2000        9.25       30500
            2/3/2000        9.63        4700
            2/4/2000       11.00       19400
            2/7/2000       10.50       20700
            2/8/2000       10.50      328100
            2/9/2000       11.50      224100
           2/10/2000       12.00       13400
           2/11/2000       11.63       35600
           2/14/2000       11.50      109000
           2/15/2000       12.00       34900
           2/16/2000       12.19       57100
           2/17/2000       12.06      151100
           2/18/2000       12.31        7100
           2/22/2000       12.13       57200

</TABLE>


<PAGE>


<TABLE>
<CAPTION>

            DATE          PRICE      VOLUME
            ----          -----      ------
           <S>            <C>        <C>
           2/23/2000       12.25       46800
           2/24/2000       12.13       53600
           2/25/2000       12.06       26100
           2/28/2000       12.13       56100
           2/29/2000       12.00       64900
            3/1/2000       12.50       35600
            3/2/2000       12.13        6900
            3/3/2000       12.06       30500
            3/6/2000       12.06        8500
            3/7/2000       12.06        5600
            3/8/2000       12.13       17700
            3/9/2000       12.00       31700
           3/10/2000       12.06       43600
           3/13/2000       12.06        7800
           3/14/2000       12.88       13800
           3/15/2000       12.56       44600
           3/16/2000       12.56       49800
           3/17/2000       12.56       28200

</TABLE>


<TABLE>
<CAPTION>

                          SHARE PRICE DATA

                                                 IMPLIED
                                               OFFER PRICE
                                AVERAGE(a)       PREMIUM
                               -------------     -------
<S>                                <C>            <C>
              High                $12.00          31.3%

              30-Trading Days       9.76          61.4%

              20-Trading Days      10.09          56.1%

              10-Trading Days      10.43          51.0%

              Pre-Announcement     11.63          35.5%
</TABLE>

- --------------------------------
(a)     HIGH, LOW AND AVERAGES CALCULATED FOR THE RESPECTIVE PERIODS PRIOR TO
        THE ANNOUNCEMENT DATE OF ORIGINAL OFFER (FEBRUARY 14, 2000).

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
VALUATION MATRIX

<TABLE>
<CAPTION>

- -----------------------------------------------------------------------------------------------------------------------------------
                                                      PREM. OF OFFER PRICE TO:
                                                      ------------------------   OFFER         OFFER    NET CASH (b)     IMPLIED
           PRE-ANN.   CONTRACT   CASH VALUE     OFFER    PRE-ANN. CASH VALUE  PRICE AS % OF    VALUE     OUTLAY FOR     TECHNOLOGY
COMPANY     PRICE      PRICE    PER SHARE (a)   PRICE     PRICE   PER SHARE  CONTRACT PRICE    ($MM)    DOLPHIN ($MM)   VALUE ($MM)
===================================================================================================================================
<S>       <C>        <C>         <C>          <C>          <C>       <C>           <C>       <C>          <C>           <C>
Starfish  $  11.63   $ 25.26     $  8.74      $  15.00     29%       72%           59%       $  95.5      $  27.7       $  39.6
                                                 15.25     31%       75%           60%          97.3         27.8          41.2
                                                 15.50     33%       77%           61%          99.0         28.0          42.8
                                                 ----------------------------------------------------------------------------------
                                                 15.75     35%       80%           62%         100.8         28.2          44.4
                                                 ==================================================================================
                                                 16.00     38%       83%           63%         102.6         28.4          45.9
                                                 16.25     40%       86%           64%         104.3         28.6          47.5
                                                 16.50     42%       89%           65%         106.1         28.8          49.1
                                                 16.75     44%       92%           66%         107.9         28.9          50.7
                                                 17.00     46%       95%           67%         109.6         29.1          52.3
</TABLE>


- --------------------------------
(a)     NET OF CURRENT LIABILITIES.
(b)     ASSUMES $13.25 PER SHARE IS THE CASH PORTION OF THE OFFER PRICE. BASED
        ON ESTIMATED STARFISH CASH BALANCE AS OF FEBRUARY 2000 OF $8.74 PER
        SHARE. INCLUDES $5.2 MILLION CASH TAX BENEFIT AND $3.7 MILLION OF
        TRANSACTION EXPENSES.

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
VALUATION ANALYSIS
(DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                  Discounted
                 Discounted       Cash Flow-
                 Cash Flow-       Adjusted Base                                                 Comparable
                 Base Case (a)    Case (a)(b)           Comparable Buyback Transactions        R&D Vehicles
- -----------------------------------------------------------------------------------------------------------
<S>               <C>              <C>                  <C>                <C>                  <C>
HIGH                20.54            18.15               20.34             20.10                 19.67

LOW                 11.16             8.50               15.69             13.98                  3.50

METHODOLOGY       Perpetuity       Perpetuity          Premium to         Premium to           Price to
                    Growth           Growth             Pre-Annc.         Cash Value             Cash
                   Post-2007        Post-2007           Price(c)           per Share           per Share

RANGE             0% - 5%            0% - 5%            35% - 75%          60% - 130%          40% - 225%
- -----------------------------------------------------------------------------------------------------------
</TABLE>

- ---------------------------
(a)     DCF VALUES ASSUME 0% TO 5% PERPETUAL GROWTH RATE POST-2007 AND A 30.0% -
        35.0% DISCOUNT RATE ON OPERATING CASH FLOWS, 5.0% DISCOUNT RATE ON
        DEVELOPMENT COSTS AND 10.0% DISCOUNT RATE ON CAPITAL EXPENDITURES; CASH
        PER SHARE BASED ON ESTIMATED BALANCE AT END OF FEBRUARY 2000.
(b)     INCLUDES (i) ANNUAL MANAGEMENT, ADMINISTRATIVE AND TECHNOLOGY ACCESS
        FEES PAID BY STARFISH TO DOLPHIN, (ii) DIRECT COSTS INCURRED BY STARFISH
        AND (iii) CASH TAX BENEFIT TO DOLPHIN OF $5.2 MILLION.
(c)     AS OF FEBRUARY 11, 2000, THE TRADING DATE IMMEDIATELY PRECEDING THE
        FIRST PUBLIC ANNOUNCEMENT OF THE OFFER TO ACQUIRE STARFISH.
NOTE: ANALYSIS BASED ON PROJECTIONS PROVIDED BY DOLPHIN MANAGEMENT.

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
COMPARABLE DISCOUNTED UNIT/SHARE BUYBACK TRANSACTIONS

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------
    R&D        SPONSOR          ADJ. PRE-    CONTRACT   CASH VALUE   ADJ. OFFER
  VEHICLE    (ACQUIROR)       ANN. PRICE(a)    PRICE     PER SHARE    PRICE(a)
================================================================================
<S>        <C>                   <C>        <C>          <C>         <C>
SciGenics  Genetics Institute    $  13.75   $  69.83     $  5.33     $  14.00
Aramed     Gensia                    9.00      55.40       10.63        12.05
Tocor II   Centocor                 17.02      58.00       23.33        34.10
CytoRad    Cytogen                   3.62      19.50        3.78         6.06
Neozyme II Genzyme                  28.91     108.50        5.72        29.85
PTC II     PerSeptive Bio.           4.10      33.83        5.60         9.02

<CAPTION>

- ------------------------------------------------------------------------------------------
                                 PREM. OF ADJ. OFFER PRICE TO:   ADJ. OFFER     ADJ. OFFER
                                 ----------------------------
    R&D        SPONSOR             ADJ. PRE-    CASH VALUE      PRICE AS % OF    VALUE(a)
  VEHICLE    (ACQUIROR)          ANN. PRICE(a)   PER SHARE     CONTRACT PRICE     ($MM)
==========================================================================================
<S>        <C>                     <C>             <C>              <C>         <C>
SciGenics  Genetics Institute        2%            163%             20%         $  29.3
Aramed     Gensia                   34%             13%             22%            34.6
Tocor II   Centocor                100%             46%             59%            76.7
CytoRad    Cytogen                  67%             61%             31%            24.4
Neozyme II Genzyme                   3%            422%             28%            72.1
PTC II     PerSeptive Bio.         120%             61%             27%            23.9
</TABLE>

<TABLE>
                   --------------------------------------------------------
<S>                                  <C>            <C>             <C>
                   MINIMUM           2%             13%             20%
                   MEAN             54%            128%             31%
                   MEDIAN           51%             61%             27%
                   MAXIMUM         120%            422%             59%
                   --------------------------------------------------------
</TABLE>


- --------------------------
(a)     ADJUSTED BY THEORETICAL VALUE OF ATTACHED WARRANTS IN THE CASE OF UNIT
        BUYBACK TRANSACTIONS.

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
COMPARABLE COMPANIES: OUTSTANDING R&D VEHICLES
(DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>

                                STOCK PRICE    MARKET VALUE/    SHARE PRICE/      AGGREGATE
SPONSOR      R&D ENTITY          03/17/2000      CASH(a)       IPO PRICE(b)      TECH VALUE
- ---------  -------------------- -----------    ------------    -------------     -----------
<S>        <C>                     <C>           <C>              <C>              <C>
Alza       Crescendo               $18.00        104.2%           180.0%           $27.5

Biovail    Intelligent Polymers    $34.00        538.9%           170.0%          $101.0

Allergan   Allergan Specialty      $13.88         42.8%           154.2%          ($59.9)
           Therapeutics
- --------------------------------------------------------------------------------------------
MEAN                                             228.7%           168.1%
- --------------------------------------------------------------------------------------------
</TABLE>


- -------------------------------
(a)     INCLUDING OTHER INVESTMENTS, IF ANY, AND WORKING CAPITAL.
(b)     IPO PRICE FOR CRESCENDO AND ALLERGAN SPECIALTY THERAPEUTICS IS THE
        CLOSING PRICE AS OF THE FIRST DAY OF TRADING.

<PAGE>

STARFISH VALUATION ANALYSIS
================================================================================
PRO FORMA ANALYSIS
(DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                     PRO FORMA EPS (a)                         % ACCRETION/(DILUTION)(a)
OFFER PRICE     OFFER    ------------------------------------------  ----------------------------------------------
 PER SHARE      VALUE    2001F    2002F    2003F    2004F    2005F     2001F     2002F      2003F   2004F    2005F
- -----------   --------  ------- -------   -------  -------  -------  --------  --------   -------- ------- --------
<S>            <C>       <C>      <C>      <C>      <C>      <C>       <C>       <C>        <C>     <C>      <C>
  $15.75       $100.8    $0.11    $0.39    $1.80    $2.98    $3.99    -87.7%    -14.8%      36.3%   19.0%    13.9%
</TABLE>

- --------------------------------
(a)     BASED ON PROJECTIONS PROVIDED BY DOLPHIN MANAGEMENT.


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