ORIENT SEMICONDUCTOR ELECTRONICS LTD
SC 13D/A, 2000-03-03
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                 SCHEDULE 13D

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934

                              (AMENDMENT NO. 1)*



                   Integrated Packaging Assembly Corporation
- --------------------------------------------------------------------------------
                               (Name of Issuer)


                   Common Stock, $0.001 Par Value Per Share
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   457989101
        ---------------------------------------------------------------
                                (CUSIP Number)

                                  Calvin Lee
                   Orient Semiconductor Electronics, Limited
                       12-2 Nei Huan South RD. N.E.P.Z.
                                Kaohsiung 81120
                                  Taiwan, ROC
                                 886-7-3613131
- --------------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive Notices and
                                Communications)

                               October 29, 1999
        ---------------------------------------------------------------
            (Date of Event which Requires Filing of this Statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e) or 13d-1(f) or 13d-1(g), check the
following box [_].

Note:  Schedules filed in paper format shall include a signed original and five
copes of the schedule, including all exhibits. See 13d-7(b) for other parties
to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 as amended (the "Exchange Act") or otherwise subject to the liabilities of
that section of the Exchange Act but shall be subject to all other provisions of
the Exchange Act (however, see the Notes).

                                    1 of 9
<PAGE>


CUSIP NO. 457989101
         ----------

- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

      Orient Semiconductor Electronics, Limited
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2                                                              (a) [_]
                                                                (b) [X]
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3

- ------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4
      WC
- ------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) or 2(e)                                         [_]
 5
- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6
      Taiwan, ROC
- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7
     NUMBER OF
                          60,567,390
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8

     OWNED BY             -0-
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9
    REPORTING
                          60,567,390
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     10
                          -0-

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<PAGE>

- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11

      60,567,390 shares
- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12
                                                                         [_]
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
      63.1%
- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14
      CO
- ------------------------------------------------------------------------------

3 of 9
<PAGE>

ITEM 1. SECURITY AND ISSUER

This Amendment No. 1 to Schedule 13D relates to the Common Stock, $0.001 par
value per share (the "Common Stock"), of Integrated Packaging Assembly
Corporation, a Delaware corporation ("IPAC"). The principal executive offices of
IPAC are located at 2221 Old Oakland Road, San Jose, California 95131.

ITEM 2. IDENTITY AND BACKGROUND

     (a) The name of the person filing this statement is Orient Semiconductor
     Electronics, Limited, a Taiwanese corporation ("OSE") traded on the Taiwan
     Stock Exchange. OSE is one of the leading integrated circuit packaging and
     contract electronic manufacturing companies in the world providing services
     to original equipment manufacturers and brand name companies for electronic
     products.

     (b) The address of the principal office and principal business OSE is 12-2
     Nei Huan South RD. N.E.P.Z, Kaohsiung 81120 Taiwan, ROC.

     (c) Set forth in Schedule I to this Schedule 13D is the name and present
     principal occupation or employment of each of OSE's executive officers and
     directors and the name, principal business and address of any corporation
     or other organization in which such employment is conducted.

     (d) During the past five years, neither OSE nor, to OSE's knowledge, any
     person named in Schedule I to this Schedule 13D, has been convicted in a
     criminal proceeding (excluding traffic violations or similar misdemeanors).

     (e) During the past five years, neither OSE nor, to OSE's knowledge, any
     person named in Schedule I to this Schedule 13D, was a party to a civil
     proceeding of a judicial or administrative body of competent jurisdiction
     as a result of which such person was or is subject to a judgment, decree or
     final order enjoining future violations of or prohibiting or mandating
     activity subject to Federal or State securities laws or finding any
     violation with respect to such laws.

     (f) All of the directors and executive officers of OSE named in Schedule I
     to this Schedule 13D are citizens of Taiwan, ROC, except for Edward S. Duh
     who is a citizen of the United States.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

The Common Stock was acquired by OSE pursuant to the Purchase Agreement (as
defined in Item 4 below) in exchange for the shares of common stock of OSEI
owned by OSE. The value of the OSEI shares exchanged for the Common Stock was
$941,176.47.

ITEM 4. PURPOSE OF TRANSACTION

     (a) Pursuant to a Stock Purchase Agreement dated as of October 29, 1999
         (the "Purchase Agreement"), IPAC acquired all of the issued and
         outstanding shares of capital stock of OSE, Inc. ("OSEI"), a California
         corporation with its principal place of business at 2700 Augustine
         Drive, Suite 140, Santa Clara, California, in exchange for Common
         Stock. OSE owned approximately 18.8% of the capital stock of OSEI, for
         which it received 4,877,193 shares of Common Stock pursuant to the
         Purchase Agreement, representing 5.1% of all outstanding shares of
         Common Stock. The description contained in this Item 4 of the
         transactions contemplated by the Purchase Agreement is qualified in its
         entirety by reference to the full text of the Purchase Agreement, a
         copy of which is attached to this Schedule 13D as Exhibit 99.1.

     (b) - (i) Not applicable.

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<PAGE>

     (j) Other than as described above, OSE currently has no plan or proposal
     which relates to, or may result in, any of the matters listed in Items
     4(a)-(i) of Schedule 13D (although OSE reserves the right to develop and
     adopt such plans in the future).

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

     (a)-(b) OSE beneficially owns and has sole power to vote or to direct the
     vote or to dispose or direct the disposition of an aggregate of 60,567,390
     shares of Common Stock, of which 41,246,312 are shares that may be obtained
     through conversion of 3,000,000 shares of IPAC Series A Preferred Stock
     owned by OSE, 14,443,885 are shares of Common Stock owned by OSE prior to
     the transaction described in Item 4 hereof, and 4,877,193 are shares of
     Common Stock acquired by OSE pursuant to the Purchase Agreement described
     in Item 4 hereof. Such aggregate number of shares constitutes 63.1% of the
     issued and outstanding shares of Common Stock as of February 27, 2000.

     Calvin Lee beneficially owns and has sole power to vote or to direct the
     vote or to dispose or direct the disposition of an aggregate of 4,267,544
     shares of Common Stock. Such shares constitute 7.8% of the issued and
     outstanding shares of Common Stock as of February 27, 2000.

     Eugene S. Duh beneficially owns and has sole power to vote or to direct the
     vote or to dispose or direct the disposition of an aggregate of 3,048,246
     shares of Common Stock. Such shares constitute 5.6% of the issued and
     outstanding shares of Common Stock as of February 27, 2000.

5 of 9

<PAGE>

     (c) OSE, Mr.Lee, and Mr. Duh have not effected any transaction in Common
         Stock during the past 60 days, except as disclosed herein.

     (d) Not applicable.

     (e) Not applicable.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER

Other than as described in Item 4 above, to OSE's knowledge, there are no
contracts, arrangements, understandings or relationships (legal or otherwise)
among the persons named in Item 2 and between such persons and any person with
respect to any securities of IPAC, including but not limited to transfer or
voting of any of the securities, finder's fees, joint ventures, loan or option
arrangements, put or calls, guarantees of profits, division of profits or loss,
or the giving or withholding of proxies.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

EXHIBIT NO.         DESCRIPTION
                    -----------

         99.1 Agreement For Purchase And Sale Of Common Stock By And Among
         Integrated Packaging Assembly Corporation, OSE, Inc. and the
         Shareholders Of OSE, Inc. dates as of October 29, 1999.

         99.2 Power of Attorney

6 of 9


<PAGE>

                                   SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

Date:  March 3, 2000                 ORIENT SEMICONDUCTOR ELECTRONICS, LIMITED

                                           By:     *
                                              ---------------

                                              Calvin Lee
                                              President

                                                      *By: /s/ Edmond Tseng
                                                           --------------------
                                                               Edmond Tseng
                                                               Attorney-in-Fact

- -------------------------------------------------------------
This Amendment to Schedule 13D was executed by Edmond Tseng
pursuant to Power of Attorney, a copy of which is filed herewith
as Exhibit 99.2.

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<PAGE>

                                  SCHEDULE I

  EXECUTIVE OFFICERS AND EMPLOYEE DIRECTORS OF ORIENT SEMICONDUCTOR ELECTRONICS,
                                    LIMITED

NAME                         PRINCIPAL OCCUPATION OR EMPLOYMENT
                             ----------------------------------

Mei-Shou Duh Yang            Director, Chairman of the Board,
                             Orient Semiconductor Electronics, Limited

Eugene C.Y. Duh              Director, Orient Semiconductor Electronics, Limited

Edward S. Duh                Director and Vice President, Orient Semiconductor
                             Electronics, Limited

Ping-Ping Chang Chao         Director, Orient Semiconductor Electronics, Limited

Kwan-Fen Wang Chen           Director, Orient Semiconductor Electronics, Limited

Teng-Kung, Liu               Director, Orient Semiconductor Electronics, Limited

Calivn Lee                   Director and President, Orient Semiconductor
                             Electronics, Limited

Hui-Mei Tsai                 Supervisor, Orient Semiconductor Electronics,
                             Limited

Hsaio Fen, Ku                Supervisor, Orient Semiconductor Electronics,
                             Limited

A-Mei Chen                   Vice-President, Orient Semiconductor Electronics,
                             Limited

Yin-Hsing Chiang             Vice-President, Orient Semiconductor Electronics,
                             Limited

All individuals named in the above table are employed by Orient Semiconductor
Electronics, Limited. The address of Orient Semiconductor Electronics, Limited
principal executive office is 12-2 Nei Huan South RD. N.E.P.Z. Kaohsiung 81120
Taiwan, ROC.

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<PAGE>

                                 EXHIBIT INDEX

                                                            SEQUENTIALLY
                                                              NUMBERED
EXHIBIT NO.        DESCRIPTION                                  PAGE
                   -----------                                  ----

99.1      Agreement For Purchase And Sale Of Common Stock By And Among
          Integrated Packaging Assembly Corporation, Ose, Inc. And The
          Shareholders Of OSE, Inc. dated as of October 29, 1999.
99.2      Power of Attorney

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<PAGE>

                                                                    EXHIBIT 99.1

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


                      AGREEMENT FOR PURCHASE AND SALE OF
                           COMMON STOCK BY AND AMONG

                  INTEGRATED PACKAGING ASSEMBLY CORPORATION,

                  OSE, INC. AND THE SHAREHOLDERS OF OSE, INC.


                               October 29, 1999


================================================================================
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
SECTION 1 PURCHASE AND SALE OF SHARES.......................................   1

    1.1   Purchase and Sale of Shares.......................................   1
    1.2   Closing...........................................................   1

SECTION 2 THE COMPANY'S REPRESENTATIONS AND WARRANTIES......................   2

    2.1   Organization and Standing.........................................   2
    2.2   Corporate Power...................................................   2
    2.3   Capitalization....................................................   2
    2.4   Authorization.....................................................   2
    2.5   SEC Reports; Financial Statements.................................   3
    2.6   Compliance With Other Instruments.................................   3
    2.7   Governmental Consents.............................................   4
    2.8   No Finder's Fee...................................................   4

SECTION 3 REPRESENTATIONS AND WARRANTIES OF OSEI............................   4

    3.1   Organization and Standing.........................................   4
    3.2   Corporate Power...................................................   4
    3.3   Subsidiaries......................................................   4
    3.4   Capitalization....................................................   5
    3.5   Authorization.....................................................   5
    3.6   Financial Statements..............................................   5
    3.7   Title.............................................................   5
    3.8   Patents and Trademarks............................................   5
    3.9   Litigation........................................................   6
    3.10  Compliance With Other Instruments.................................   6
    3.11  Insurance.........................................................   6
    3.12  Governmental Consents.............................................   6
    3.13  No Finder's Fee...................................................   6

SECTION 4 REPRESENTATIONS AND WARRANTIES OF THE SHAREHOLDERS................   7

    4.1   Legal Power.......................................................   7
    4.2   Authorization.....................................................   7
    4.3   Compliance With Other Instruments.................................   7
    4.4   Governmental Consents.............................................   7
    4.5   No Finder's Fee...................................................   7
    4.6   Good Title........................................................   8
    4.7   OSEI Representations..............................................   8
</TABLE>

                                      -i-
<PAGE>

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
    4.8   Investment Representations........................................   8
    4.9   Legends...........................................................   9
    4.10  Tax Advisors......................................................   9
    4.11  Investor Counsel..................................................   9

SECTION 5 CONDITIONS TO CLOSING.............................................   9

    5.1   Conditions to Company's Obligations...............................   9
    5.2   Conditions to Obligations of Shareholders.........................  10
    5.3   Covenants of the Parties..........................................  10

SECTION 6 MISCELLANEOUS.....................................................  11

    6.1   Waivers and Amendments............................................  11
    6.2   Severability......................................................  11
    6.3   Survival..........................................................  11
    6.4   Notices, etc......................................................  11
    6.5   Entire Agreement..................................................  12
    6.6   Governing Law.....................................................  12
    6.7   Expenses..........................................................  13
    6.8   Attorneys' Fees; Limitation of Liability..........................  13
    6.9   Titles and Subtitles..............................................  13
    6.10  Counterparts......................................................  13
</TABLE>

    Exhibit A - Schedule of OSEI Shareholders
    Exhibit B - IPAC Schedule of Exceptions
    Exhibit C - OSEI Schedule of Exceptions
    Exhibit D - Sales Distributor Agreement

                                     -ii-
<PAGE>

                      AGREEMENT FOR PURCHASE AND SALE OF
                           COMMON STOCK BY AND AMONG

                  INTEGRATED PACKAGING ASSEMBLY CORPORATION,
                  OSE, INC. AND THE SHAREHOLDERS OF OSE, INC.

     This Agreement is entered into as of October 29, 1999, by and among
Integrated Packaging Assembly Corporation, a Delaware corporation (the
"Company"), OSE, Inc., a California corporation ("OSEI"), and the shareholders
 -------                                          ----
of OSEI listed on Exhibit A hereto (individually, a "Shareholder" and
                  ---------                          -----------
collectively, the "Shareholders").
                   ------------

                                   RECITALS

     A.   The Shareholders currently hold of record and beneficially all of the
outstanding shares of capital stock of OSEI (the "OSEI Shares").
                                                  -----------

     B.   The parties desire that the Company purchase the OSEI Shares held by
the Shareholders at a purchase price of approximately $58.83 per share, for an
aggregate purchase price of approximately $5,000,000.

                                   SECTION 1
                                   ---------

                          PURCHASE AND SALE OF SHARES
                          ---------------------------

     1.1  Purchase and Sale of Shares.  At the Closing (as defined herein), the
          ---------------------------
Shareholders will severally sell to the Company and the Company will severally
purchase from the Shareholders all of the OSEI Shares at a price of
approximately $58.83 per share, with the purchase price to be paid in shares of
the Company's common stock (the "IPAC Shares"). For purposes of this Agreement,
                                 -----------
the IPAC Shares shall be valued at $0.1930 per share which equals the average of
the closing price of the Company's common stock for the twenty (20) trading days
ending on the day prior to the date hereof. As a result, each OSEI Share shall
be exchanged for 304.8246 IPAC Shares and all of the OSEI Shares shall be
exchanged for an aggregate of 25,910,090 IPAC Shares as indicated on Exhibit A
                                                                     ---------
hereto.

     1.2  Closing.  The closing of the purchase and sale of the OSEI Shares (the
          -------
"Closing") shall occur at such date (the "Closing Date") and such location as
 -------                                  ------------
the parties shall mutually agree, as soon as practicable following the
satisfaction or waiver of each of the conditions to closing set forth in Section
5 hereof. At the Closing, each of the Shareholders shall deliver to the Company
a stock certificate representing the OSEI Shares to be sold by such Shareholder
to the Company as indicated on Exhibit A and the Company shall be obligated to
                               ---------
issue to such Shareholder a certificate representing the number of IPAC Shares
to be issued to such Shareholder as indicated on Exhibit A. The Company hereby
                                                 ---------
covenants with each Shareholder to deliver the certificates representing the
IPAC Shares to such Shareholder as soon as practical following the Closing Date.
<PAGE>

                                   SECTION 2
                                   ---------

                 THE COMPANY'S REPRESENTATIONS AND WARRANTIES
                 --------------------------------------------

     Except as set forth in the Schedule of Exceptions to the representations
and warranties of the Company attached hereto as Exhibit B, the Company
                                                 ---------
represents and warrants to each Shareholder, as follows.  Where used in this
Section 2, the terms "to the knowledge of the Company," "of which the Company
                      --------------------------------    --------------------
is aware" or similar terms mean the actual knowledge of the executive officers
- --------
of the Company.

     2.1  Organization and Standing.  The Company is a corporation duly
          -------------------------
organized and validly existing under the laws of the State of Delaware and is in
good standing as a domestic corporation under the laws of said state. The
Company has all requisite corporate power and authority to own and lease its
properties and to conduct its business as presently conducted. The Company is
qualified as a foreign corporation in all jurisdictions in which it conducts
business, other than any such jurisdiction where the failure to be so qualified
will not have a material adverse effect on the Company's business as now
conducted.

     2.2  Corporate Power.  The Company has all requisite legal and corporate
          ---------------
power to execute and deliver this Agreement, to purchase the OSEI Shares
hereunder, to issue the IPAC Shares hereunder and to carry out and perform its
obligations under the terms of this Agreement.

     2.3  Capitalization.  The authorized capital stock of the Company consists
          --------------
of (i) 200,000,000 shares of common stock (the "IPAC Common Stock") and (ii)
                                                -----------------
10,000,000 shares of preferred stock, of which 3,000,000 shares are designated
"Series A Preferred Stock." There are 28,507,012 shares of IPAC Common Stock
 ------------------------
issued and outstanding (plus any additional shares issued since September 27,
1999 on exercise of options). No subscription, warrant, option or other right to
purchase or acquire any shares of any class of capital stock of the Company or
securities convertible into or exchangeable for such capital stock are
outstanding other than: (i) 41,246,312 shares reserved for issuance upon
conversion of the outstanding shares of Series A Preferred, (ii) 20,000,000
shares reserved for issuance pursuant to the Company's 1993 Stock Option Plan,
(iii) 750,000 shares reserved for issuance pursuant to the Company's
Nonstatutory Stock Option Plan, (iv) 100,000 shares reserved for issuance
pursuant to the Company's 1996 Director Option Plan, (v) 2,000,000 shares
reserved for issuance pursuant to the Company's Employee Stock Purchase Plan and
(vi) 4,000,000 shares reserved for issuance pursuant to the Company's 1999
Director Stock Option Plan.

     2.4  Authorization.  The execution, delivery and performance of this
          -------------
Agreement by the Company have been duly authorized by all requisite corporate
action, and this Agreement constitutes a valid and binding obligation of the
Company enforceable in accordance with its terms, except as may be limited by
applicable bankruptcy, insolvency, reorganization, moratorium or other similar
laws affecting the enforcement of creditors' rights, or rules of law governing
specific performance, injunctive relief or other equitable remedies. All
corporate action on the part of the Company, its directors and stockholders
necessary for the authorization, issuance and delivery of the IPAC Shares has
been taken or will be taken prior to the Closing. No stockholder has any
preemptive rights or

                                      -2-
<PAGE>

rights of first refusal by reason of the issuance of the IPAC Shares.  The IPAC
Shares, when issued, sold and delivered in compliance with the provisions of
this Agreement will be duly and validly issued, fully paid and nonassessable and
will be free of any liens or encumbrances; provided, however, that the IPAC
Shares are subject to restrictions on transfer under state and/or federal
securities laws.

     2.5  SEC Reports; Financial Statements.
          ---------------------------------

          (a)  The Company has delivered to the OSEI shareholders (or such
shareholders have otherwise obtained) a complete and accurate copy of each
report, schedule, registration statement and definitive proxy statement filed by
the Company with the Securities and Exchange Commission (the "SEC") on or after
                                                              ---
January 1, 1999 (the "SEC Reports"), which are all the forms, reports and
                      -----------
documents required to be filed by the Company with the SEC on or after January
1, 1999. The SEC Reports (i) complied in all material aspects with the
requirements of the Securities Act of 1933, as amended (the "Securities Act"),
                                                             --------------
or the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as the
                                                         ------------
case may be, at and as of the times they were filed (or, if amended or
superseded by a filing prior to the date of this Agreement, then on the date of
such filing) and (ii) did not at and as of the time they were filed (or, if
amended or superseded by a filing prior to the date of this Agreement, then on
the date of such filing) contain any untrue statement of a material fact or omit
to state a material fact required to be stated therein or necessary in order to
make the statements therein, in light of the circumstances under which they were
made, not misleading.

          (b)  The financial statements (including any related notes thereto)
contained in the SEC Reports (collectively, the "IPAC Financial Statements")
                                                 -------------------------
were prepared in accordance with generally accepted accounting principles
("GAAP") applied on a consistent basis throughout the periods involved (except
  ----
as may be indicated in the notes thereto) and fairly present the consolidated
financial position of the Company as at the respective dates thereof and the
consolidated results of its operations and cash flows for the periods indicated,
except that the quarterly unaudited interim financial statements included in the
IPAC Financial Statements were or are subject to normal year-end audit
adjustments which were not or are not expected to be material in amount.

          (c)  Since the date of filing of the most recent SEC Report (or, if
amended or superseded by a filing prior to the date of this Agreement, then the
date of such filing) there has not been any change, or any development or
combination of changes or developments that has resulted in or could reasonably
be expected to result in a material adverse change in the assets, financial
condition or affairs of the Company.

     2.6  Compliance With Other Instruments.  The Company is not in violation or
          ---------------------------------
breach of any term of its Certificate of Incorporation or Bylaws or to its
knowledge in violation or breach of any term of any indenture, mortgage, deed of
trust or other agreement, instrument, court order, judgment, decree, statute,
rule or regulation to which it is a party or by which it is bound, the violation
or breach of which is likely to result in a material adverse change in the
assets, financial condition or affairs of the Company. The execution, delivery
and performance of and compliance with this Agreement, including the purchase by
the Company of the OSEI Shares and the issuance of the IPAC Shares, will not
result in any such violation or be in conflict with or constitute a default

                                      -3-
<PAGE>

under any such term or result in the creation of any mortgage, pledge, lien,
encumbrance or charge upon any of the properties or assets of the Company
pursuant to any such term.

     2.7  Governmental Consents.  No consent, approval or authorization of, or
          ---------------------
designation, declaration or filing with, any Federal or state governmental
authority in the United States is required on the part of the Company in
connection with the valid execution and delivery of this Agreement, the purchase
of the OSEI Shares, the issuance of the IPAC Shares or the consummation of any
other transaction contemplated hereby, except if required, qualifications or
filings in connection with exemptions under any applicable state "blue sky" laws
                                                                  --------
and Federal securities laws, which qualifications or exemptions, if required,
will have been obtained and will be effective on the Closing Date, or will be
obtained or filed after the Closing Date within the prescribed time in order to
secure such exemptions or qualifications.

     2.8  No Finder's Fee.  Except as set forth on Exhibit B, the Company has
          ---------------                          ---------
retained no finder or broker in connection with the transactions contemplated by
this Agreement and hereby agrees to indemnify and to hold each OSEI Shareholder
harmless of and from any liability for commission or compensation in the nature
of a finder's fee to any broker or other person or firm (and the costs and
expenses of defending against such liability or asserted liability) for which
the Company, or any of its employees or representatives, are responsible.

                                   SECTION 3
                                   ---------

                    REPRESENTATIONS AND WARRANTIES OF OSEI
                    --------------------------------------

     Except as set forth in the Schedule of Exceptions to the representations
and warranties of OSEI attached hereto as Exhibit C, OSEI represents and
                                          ---------
warrants to the Company, as follows.  Where used in this Section 3, the terms
"to the knowledge of OSEI," "of which OSEI is aware" or similar terms mean the
 ------------------------    ----------------------
actual knowledge of the executive officers of OSEI.

     3.1  Organization and Standing.  OSEI is a corporation duly organized and
          -------------------------
validly existing under the laws of the state of California and is in good
standing as a domestic corporation under the laws of said state. OSEI has all
requisite corporate power and authority to own and lease its properties and to
conduct its business as presently conducted. OSEI is qualified as a foreign
corporation in all jurisdictions in which it conducts business, other than any
such jurisdiction where the failure to be so qualified will not have a material
adverse effect on OSEI's business as now conducted.

     3.2  Corporate Power.  OSEI has all requisite legal and corporate power to
          ---------------
execute and deliver this Agreement and to carry out and perform its obligations
under the terms of this Agreement.

     3.3  Subsidiaries.  OSEI does not presently control, directly or
          ------------
indirectly, any other corporation, partnership, business trust, association or
other business entity, except as listed on Exhibit C.
                                           ---------

                                      -4-
<PAGE>

     3.4  Capitalization.  The authorized capital stock of OSEI consists of
          --------------
1,000,000 shares of common stock (the "OSEI Common Stock"). There are 85,000
                                       -----------------
shares of OSEI Common Stock issued and outstanding, all of which are held by the
Shareholders in the amounts listed in Exhibit C. No subscription, warrant,
                                      ---------
option or other right to purchase or acquire any shares of any class of capital
stock of OSEI or securities convertible into or exchangeable for such capital
stock are outstanding.

     3.5  Authorization.  The execution, delivery and performance of this
          -------------
Agreement by OSEI have been duly authorized by all requisite corporate action,
and this Agreement constitutes a valid and binding obligation of OSEI
enforceable in accordance with its respective terms, except as may be limited by
applicable bankruptcy, insolvency, reorganization, moratorium or other similar
laws affecting the enforcement of creditors' rights, or rules of law governing
specific performance, injunctive relief or other equitable remedies.

     3.6  Financial Statements.  OSEI's unaudited financial statements for the
          --------------------
quarter ended June 30, 1999 (the "OSEI Financial Statements") have been
                                  -------------------------
delivered to the Company. The OSEI Financial Statements present fairly the
financial condition, operating results and cash flows of OSEI in all material
respects as of their date and for the period then ended and have been prepared
in accordance with GAAP applied on a consistent basis throughout the periods
indicated, except that no notes have been included in the OSEI Financial
Statements and the OSEI Financial Statements are subject to year-end
adjustments, consisting only of normal, recurring adjustments necessary to
present the OSEI Financial Statements fairly in accordance with GAAP which
adjustments will not be material in amount.

          Since June 30, 1999, there has not been any change in the assets,
liabilities, financial condition or operations of OSEI from that reflected in
the OSEI Financial Statements, other than changes in the ordinary course of
business, none of which individually or in the aggregate has had a materially
adverse effect on such assets, liabilities, financial condition or operations of
OSEI.

          Except as shown or reflected in the OSEI Financial Statements, OSEI
does not have outstanding on the date of this Agreement any material
indebtedness or liability (absolute or contingent), except those incurred in the
ordinary course of business since June 30, 1999.

          3.7  Title.  OSEI has good title to all properties and assets owned by
               -----
it, other than any deficiencies in title which, individually or in the
aggregate, are not material to the business or properties of OSEI as a whole.
OSEI's properties and assets are not subject to any liens, mortgages, pledges,
encumbrances or charges of any kind, except liens for current taxes and
assessments not delinquent and except any such liens, mortgages, pledges,
encumbrances or charges which, individually or in the aggregate, are not
material to the business or properties of OSEI as a whole. All material leases
pursuant to which OSEI leases real or personal property are in good standing and
are valid and effective in accordance with their respective terms, and there
exists no material default or other occurrence or condition which could result
in a material default or termination of any such lease.

     3.8  Patents and Trademarks.  OSEI, to its knowledge, has sufficient title
          ----------------------
to, ownership of or the right to use, or believes it can obtain on reasonable
terms the right to use, all patents,

                                      -5-
<PAGE>

trademarks, service marks, trade names, copyrights, trade secrets, software
programs, information, proprietary rights and processes ("Proprietary Rights")
                                                          ------------------
necessary to conduct its business as now conducted, and, to OSEI's knowledge,
OSEI's ownership or use of such Proprietary Rights does not and will not
conflict with or infringe upon the rights of others. OSEI has not received any
written communications (or, to the knowledge of the executive officers of OSEI,
any oral communications) alleging that OSEI has violated any of the Proprietary
Rights of any other person.

     3.9   Litigation.  There is no action, suit, proceeding or investigation
           ----------
pending or, to OSEI's knowledge, currently threatened against OSEI which
questions the validity of this Agreement, or the right of OSEI to enter into
this Agreement or to consummate the transactions contemplated hereby or thereby,
or which is likely to result, either individually or in the aggregate, in any
material adverse change in the assets, financial condition or affairs of OSEI or
any change in the current equity ownership of OSEI. The foregoing includes,
without limitation, actions known to OSEI that are pending or threatened and
which involve the prior employment of any of OSEI's employees, their use in
connection with OSEI's business of any information or techniques allegedly
proprietary to any of their former employers, or their obligations under any
agreements with prior employers. OSEI is not to its knowledge a party or subject
to the provisions of any order, writ, injunction, judgment or decree of any
court or government agency or instrumentality.

     3.10  Compliance With Other Instruments.  OSEI is not in violation or
           ---------------------------------
breach of any term of its Articles of Incorporation or Bylaws or to its
knowledge in violation or breach of any term of any indenture, mortgage, deed of
trust or other agreement, instrument, court order, judgment, decree, statute,
rule or regulation to which it is a party or by which it is bound, the violation
or breach of which is likely to result in a material adverse change in the
assets, financial condition or affairs of OSEI. The execution, delivery and
performance of and compliance with this Agreement will not result in any such
violation or be in conflict with or constitute a default under any such term or
result in the creation of any mortgage, pledge, lien, encumbrance or charge upon
any of the properties or assets of OSEI pursuant to any such term.

     3.11  Insurance.  OSEI has fire, casualty and liability insurance policies
           ---------
with recognized insurers, in such amounts and with such coverage as are
customary for similarly situated companies.

     3.12  Governmental Consents.  No consent, approval or authorization of, or
           ---------------------
designation, declaration or filing with, any Federal or state governmental
authority in the United States is required on the part of OSEI in connection
with the valid execution and delivery of this Agreement or the consummation of
any transaction contemplated hereby, except if required, qualifications or
filings in connection with exemptions under any applicable state "blue sky" laws
                                                                  --------
and Federal securities laws, which qualifications or exemptions, if required,
will have been obtained and will be effective on the Closing Date, or will be
obtained or filed after the Closing Date within the prescribed time in order to
secure such exemptions or qualifications.

     3.13  No Finder's Fee.  OSEI has retained no finder or broker in connection
           ---------------
with the transactions contemplated by this Agreement and hereby agrees to
indemnify and to hold the Company harmless of and from any liability for
commission or compensation in the nature of a finder's fee to any broker or
other person or firm (and the costs and expenses of defending against such

                                      -6-
<PAGE>

liability or asserted liability) for which OSEI, or any of its employees or
representatives, are responsible.

                                   SECTION 4
                                   ---------

              REPRESENTATIONS AND WARRANTIES OF THE SHAREHOLDERS
              --------------------------------------------------

     Each of the Shareholders, severally and not jointly, represents and
warrants to the Company with respect to the OSEI Shares to be sold by such
Shareholder, as follows:

     4.1  Legal Power.  Shareholder has all requisite legal power to execute and
          -----------
deliver this Agreement, to sell and convey the OSEI Shares hereunder, and to
carry out and perform its obligations under the terms of this Agreement.

     4.2  Authorization.  The execution, delivery and performance of this
          -------------
Agreement by Shareholder has been duly authorized by all requisite corporate,
partnership or other action if the Shareholder is not an individual, and this
Agreement constitutes a valid and binding obligation of Shareholder enforceable
against it in accordance with its terms, except as may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium or other similar laws
affecting the enforcement of creditors' rights, or rules of law governing
specific performance, injunctive relief or other equitable remedies.

     4.3  Compliance With Other Instruments.  The execution, delivery and
          ---------------------------------
performance of and compliance with this Agreement by Shareholder and the sale
and transfer of the OSEI Shares by such Shareholder pursuant to the terms
hereof, will not result in any violation or breach of any term of its charter
documents if the Shareholder is not an individual, or to its knowledge any
violation or breach by it of any term of any indenture, mortgage, deed of trust
or other agreement, instrument, court order, judgment, decree, statute, rule or
regulation to which it is a party or by which it is bound or be in conflict with
or constitute a default under any such term or result in the creation of any
mortgage, pledge, lien, encumbrance or charge upon any of the properties or
assets of Shareholder.

     4.4  Governmental Consents.  No consent, approval or authorization of, or
          ---------------------
designation, declaration or filing with, any Federal or state governmental
authority in the United States is required on the part of Shareholder in
connection with the valid sale and transfer of the OSEI Shares or the
consummation of any other transaction contemplated hereby, except, if required,
qualifications or filings in connection with exemptions under any applicable
state "blue sky" laws and Federal securities laws, which qualifications or
       --------
exemptions, if required, will have been obtained and will be effective on the
Closing Date, or will be obtained or filed after the Closing Date within the
prescribed time in order to secure such exemptions or qualifications.

     4.5  No Finder's Fee.  Shareholder has retained no finder or broker in
          ---------------
connection with the transactions contemplated by this Agreement and hereby
agrees to indemnify and to hold the Company harmless of and from any liability
for any commission or compensation in the nature of a finder's fee to any broker
or other person or firm (and the costs and expenses of defending against

                                      -7-
<PAGE>

such liability or asserted liability) for which Shareholder, or any of its
employees or representatives, is responsible.

     4.6  Good Title.  Shareholder has, and on the Closing Date will have, good
          ----------
and marketable title to the OSEI Shares proposed to be sold by such person
hereunder on such Closing Date and full right, power and authority to enter into
this Agreement and to sell, assign, transfer and deliver such OSEI Shares
hereunder, free and clear of all voting trust arrangements, liens, encumbrances,
equities, security interests, restrictions and claims whatsoever, other than
restrictions imposed by applicable federal and state securities laws; and upon
delivery of and payment for such OSEI Shares hereunder, the Company will acquire
good and marketable title thereto, free and clear of all liens, encumbrances,
equities, claims, restrictions, security interests, voting trusts or other
defects of title whatsoever, other than restrictions imposed by applicable
federal and state securities laws.

     4.7  OSEI Representations.  To the best of such Shareholder's knowledge,
          --------------------
each of the representations and warranties made by OSEI in Section 3 hereof are
true and correct.

     4.8  Investment Representations.
          --------------------------

          (a)  This Agreement is made by the Company with each Shareholder in
reliance upon such Shareholder's representations and covenants made in this
Section 4.7, which by his execution of this Agreement the Shareholder hereby
confirms.

          (b)  Shareholder understands that the IPAC Shares have not been
registered under the Securities Act and are being offered and sold pursuant to
an exemption from registration contained in the Securities Act based upon the
representations of each Shareholder contained herein.

          (c)  Shareholder knows of no public solicitation or advertisement of
an offer in connection with the proposed issuance and sale of the IPAC Shares.

          (d)  Shareholder is acquiring the IPAC Shares to be issued and sold
hereunder for his own account for investment and not as a nominee and not with a
view to the distribution thereof. Shareholder understands that he must bear the
economic risk of this investment indefinitely unless the IPAC Shares are
registered pursuant to the Securities Act, or an exemption from such
registration is available, and that the Company has no present intention of
registering the IPAC Shares. Shareholder further understands that there is no
assurance that any exemption from the Securities Act will be available or, if
available, that such exemption will allow Shareholder to dispose of or otherwise
transfer any or all of the IPAC Shares under the circumstances, in the amounts
or at the times Shareholder might propose.

          (e)  By reason of his business or financial experience, Shareholder
has the capacity to protect his own interests in connection with the purchase of
the IPAC Shares hereunder and has the ability to bear the economic risk
(including the risk of total loss) of his investment.

          (f)  Each Shareholder further covenants that he will not make any
sale, transfer or other disposition of the IPAC Shares in violation of the
Securities Act, the Exchange Act or the rules of the SEC promulgated thereunder.

                                      -8-
<PAGE>

          (g)  Shareholder acknowledges that the Company's transfer agent shall
make a notation in its stock books regarding the restrictions on transfer set
forth in this Section 4.7 and shall transfer such shares on its books only to
the extent permitted hereunder.

     4.9   Legends.  Shareholder understands and acknowledges that the
           -------
certificate evidencing his IPAC Shares will be imprinted with a legend referring
to the applicable restrictions on the IPAC Shares pursuant to the Securities
Act.

     4.10  Tax Advisors.  Shareholder has reviewed with his own tax advisors the
           ------------
federal, state and local tax consequences of this transaction, where applicable,
and the transactions contemplated by this Agreement. Each Shareholder is relying
solely on such advisors and not on any statements or representations of the
Company or any of its agents and understands that each Shareholder (and not the
Company) shall be responsible for the Shareholder's own tax liability that may
arise as a result of the transactions contemplated by this Agreement.

     4.11  Investor Counsel.  Shareholder acknowledges that he has had the
           ----------------
opportunity to review this Agreement, the exhibits and the schedules attached
hereto and the transactions contemplated by this Agreement with his own legal
counsel. Each Shareholder is relying solely on such counsel and not on any
statements or representations of the Company or any of its agents for legal
advice with respect to the transactions contemplated by this Agreement.

                                   SECTION 5
                                   ---------

                             CONDITIONS TO CLOSING
                             ---------------------

     5.1  Conditions to Company's Obligations.  The Company's obligation to
          -----------------------------------
purchase the OSEI Shares from the Shareholders at the Closing is subject to the
fulfillment to the Company's satisfaction or prior to the Closing Date of the
following conditions, any of which may be waived in whole or in part by the
Company:

          (a)  The representations and warranties made by OSEI in Section 3
hereof and by the Shareholders in Section 4 hereof shall be true and correct
when made and as of the Closing Date.

          (b)  All covenants, agreements and conditions contained in this
Agreement to be performed by the Company and the Shareholders on or prior to the
Closing Date shall have been performed or complied with.

          (c)  All matters of a legal nature which pertain to this Agreement,
and the transactions contemplated hereby, shall have been approved by counsel to
the Company.

          (d)  OSEI and Orient Semiconductor Electronics Limited ("OSE") shall
                                                                   ---
have entered into a Sales Distributor Agreement in the form attached hereto as
Exhibit D and such agreement shall be in full force and effect.
- ---------

                                      -9-
<PAGE>

     5.2  Conditions to Obligations of Shareholders.  The obligations of the
          -----------------------------------------
Shareholders to sell and convey the OSEI Shares at the Closing is subject to the
fulfillment to the satisfaction of Shareholders, on or prior to the Closing Date
of the following conditions, any of which may be waived in whole or in part by
the Shareholders:

          (a)  The representations and warranties made by the Company in Section
2 hereof shall be true and correct when made and as of the Closing Date.

          (b)  All covenants, agreements and conditions contained in this
Agreement to be performed by the Company on or prior to the Closing Date shall
have been performed or complied with.

          (c)  All matters of a legal nature which pertain to this Agreement,
and the transactions contemplated hereby, shall have been approved by counsel to
OSEI.

     5.3  Covenants of the Parties.
          ------------------------

          (a)  Each of the Company, OSEI and the Shareholders hereby covenants
and agrees to use all reasonable efforts to effect the closing of the
transactions contemplated hereby at the earliest possible date.

          (b)  The Company agrees that each of the employees of OSEI on the
Closing Date shall be entitled to participate in all employee benefit programs
and stock option plans of the Company to the same extent as other similarly
situated employees of the Company.

          (c)  The Company covenants and agrees with OSEI and each of the
Shareholders that it shall cause OSEI to declare and pay a dividend to the
Shareholders of those investments held by OSEI as listed in Section 3.3 of
Exhibit C.
- ---------

          (d)  Each of the Shareholders and OSEI agree to take all actions which
may be necessary to cause the financial statements of OSEI for the last three
fiscal years to be audited and to cause such audited financial statements to be
delivered to the Company no later than December 1, 1999.

          (e)  The Company and OSE shall take all such actions as may be
reasonably necessary to cause the Registration Rights Agreement between the
Company, OSE and certain other parties to be amended to cause the IPAC Shares
being issued hereunder to be "Registrable Securities" under such agreement.

                                      -10-
<PAGE>

                                   SECTION 6
                                   ---------

                                 MISCELLANEOUS
                                 -------------

     6.1   Waivers and Amendments.  The rights or obligations of any party
           ----------------------
hereunder under this Agreement may be waived upon the written consent of such
party. This Agreement may be amended upon the written consent of the Company,
OSEI and each of the Shareholders.

     6.2   Severability.  In the event that any provision of this Agreement
           ------------
shall be deemed to be invalid, illegal or unenforceable, the validity, legality
and enforceability of the remaining provisions hereof shall not in any way be
affected or impaired thereby.

     6.3   Survival.  The representations, warranties, covenants and agreements
           --------
made herein shall survive any investigation made by any party hereto and the
Closing of the transactions contemplated hereby.

     6.4   Notices, etc.  All notices and other communications required or
           ------------
permitted hereunder shall be in writing and shall be delivered (a) personally;
(b) by facsimile transmission (with verification of transmission without error,
and with copy promptly sent by United States Postal Service (first class mail)
or Federal Express or similar courier); (c) by Federal Express or similar
overnight courier; or (d) by United States Postal Service (first class mail); in
each case with all delivery or postal charges pre-paid. Notices shall be
addressed

       (i) if to the Company, to

               Integrated Packaging Assembly Corporation
               2221 Old Oakland Road
               San Jose, CA 95131
               Telephone (408) 321-3600
               Fax (408) 321-0311
               Attention: Patrick Verderico

               with a copy to:

               Wilson Sonsini Goodrich & Rosati, P.C.
               Two Palo Alto Square
               Palo Alto, California 94306
               Telephone (650) 493-9300
               Fax (650) 493-6811
               Attention: J. Robert Suffoletta, Esq.

               or at such other address as the Company shall have furnished to
               the Shareholders in writing.

                                     -11-
<PAGE>

          (ii)  if to OSEI, to

                OSE, Inc.
                2700 Augustine Drive, Suite 140
                Santa Clara, CA 95054
                Telephone (408) 988-6650
                Fax (408) 988-7574
                Attention: Edmond Tseng, President

                with a copy to:

                Cooley Godward, LLP
                3000 El Camino Real
                Five Palo Alto Square
                Palo Alto, CA 94306
                Telephone (650) 843-5000
                Fax (650) 843-843-5048
                Attention: Matthew Sonsini

                or at such other address as OSEI shall have furnished to the
                Company in writing.

          (iii) if to a Shareholder, at the address of such Shareholder on the
signature pages hereto, or at such other address as each such Shareholder shall
have furnished to the Company in writing.

          Each such notice or communication, addressed and posted as aforesaid,
shall for all purposes of this Agreement be treated as effective or having been
given (a) when delivered, if delivered personally; (b) if delivered by facsimile
transmission as provided above, then on the same day if the transmission is
completed and received by 5:00 p.m. on a business day or, if the transmission is
completed and received after 5:00 p.m. on any business day or at any time on a
non-business day, then on the next business day; (c) one (1) business day after
the business day of deposit with Federal Express or similar courier, if
delivered by such means; or (d) upon the earlier of its receipt or five (5)
business days after the business day of deposit with the United States Postal
Service (first class mail) if delivered by such means.

     6.5  Entire Agreement.  This Agreement and the exhibits hereto constitute
          ----------------
the full and entire understanding and agreement among the parties with regard to
the subjects hereof and supersede any and all prior agreements and
understandings among the parties.

     6.6  Governing Law.  This Agreement shall be governed by and construed and
          -------------
enforced in accordance with the laws of the State of California and the Federal
laws of the California as they apply to contracts entered into and wholly to be
performed within the State of by residents of such state.

                                     -12-
<PAGE>

     6.7   Expenses.  Each party hereto shall each bear all expenses that such
           --------
respective party has incurred or incurs in connection with this Agreement and
the transactions contemplated hereby, and any amendments or waivers hereto.

     6.8   Attorneys' Fees; Limitation of Liability.  In the event of any
           ----------------------------------------
litigation in a court of competent jurisdiction arising in connection with this
Agreement and the transactions contemplated hereby, the prevailing party in
judgment shall be entitle to recover reasonable legal fees and costs in
connection with such action. Except in the case of fraud on the part of a
Shareholder, the total amount of all payments that such Shareholder can be
required to make under or in connection with this Agreement shall be limited to
the aggregate purchase price for such Shareholder's OSEI Shares.

     6.9   Titles and Subtitles.  The titles of the paragraphs and subparagraphs
           --------------------
of this Agreement are for convenience of reference only and are not to be
considered in construing this Agreement.

     6.10  Counterparts.  This Agreement may be executed in any number of
           ------------
counterparts, each of which shall be an original and all of which together shall
constitute one instrument.


                  [Remainder of page intentionally left blank]

                                     -13-
<PAGE>

     IN WITNESS WHEREOF, the parties have caused this Agreement to be duly
executed and delivered as of the day and year first written above.

COMPANY:                         INTEGRATED PACKAGING ASSEMBLY CORPORATION,
                                 a Delaware corporation


                                 By: /s/ P. Verderico
                                     ----------------
                                 Patrick Verderico, President and Chief
                                 Executive Officer

OSEI:                            OSE, INC., (USA)

                                 By: /s/ Edmond Tseng
                                     -----------------------------------------

                                 Title: President
                                        --------------------------------------

OSEI SHAREHOLDERS:               ORIENT SEMICONDUCTOR ELECTRONICS, LIMITED

                                 By: /s/ Calvin Lee
                                     -----------------------------------------

                                 Title: President
                                        --------------------------------------

                                 Address: 12-2, Nei-Huan S. Road
                                         -------------------------------------

                                 NEPZ, Kaohsiung 81120, Taiwan, ROC
                                 ---------------------------------------------


                                 /s/ Edmond Tseng
                                 ---------------------------------------------
                                 Edmond Tseng

                                 Address: ____________________________________


                                 /s/ Tom Majeski
                                 ---------------------------------------------
                                 Tom Majeski
<PAGE>

                                 Address: 15231 Skyview Dr
                                          -------------------------------------

                                 San Jose, CA 95132
                                 ----------------------------------------------

                                 /s/ Danny Chang
                                 ----------------------------------------------
                                 Danny Chang

                                 Address: 45530 Cheyenne Place
                                          -------------------------------------

                                 Fremont, CA 94539
                                 ----------------------------------------------


                                 /s/ Calvin Lee
                                 ----------------------------------------------
                                 Calvin Lee

                                 Address: 5F-5, No. 33, Ming Che Road
                                          -------------------------------------

                                 San Ming District 807, Kaohsiung, Taiwan R.O.C
                                 ----------------------------------------------


                                 /s/ Eugene Duh
                                 ----------------------------------------------
                                 Eugene Duh

                                 Address: No. 92, Hwa-Fong Street
                                          -------------------------------------

                                 Gu-Shan District 804, Kaohsiung Taiwan, R.O.C.
                                 ----------------------------------------------

                                     -15-
<PAGE>

                                   Exhibit A
                                   ---------

                         Schedule of OSEI Shareholders
                         -----------------------------


<TABLE>
<CAPTION>
                                                      OSEI Shares    IPAC Shares
                                                      -----------    -----------
<S>                                                   <C>            <C>
Orient Semiconductor Electronics, Limited               16,000         4,877,193

Edmond Tseng                                            15,000         4,572,369

Tom Majeski                                             15,000         4,572,369

Danny Chang                                             15,000         4,572,369

Calvin Lee                                              14,000         4,267,544

Eugene Duh                                              10,000         3,048,246
                                                        ------        ----------

Total                                                   85,000        25,910,090
                                                        ======        ==========
</TABLE>

                                      -i-

<PAGE>

                                                                    EXHIBIT 99.2

                               POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that Calvin Lee, President of Orient
Semiconductor Electronics, Limited, a Taiwanese corporation, whose signature
appears below, hereby constitutes and appoints Edmond Tseng, President of OSE,
Inc., as his attorney-in-fact, for him in any and all capacities, to sign any
and all amendments to this Report on Form 13-D, and to file the same, with
exhibits thereto and other document in connection therewith, with the Securities
and Exchange Commission, hereby ratifying and confirming my signature as it may
be signed by our said attorney to any and all amendments to said Report.  In
accordance with the Exchange Act, this report has been signed below in February
14, 2000 by the following person on behalf of Orient Semiconductor Electronics,
Limited and in the capacities indicated.



/s/ Calvin Lee                                    February 14, 2000
- ---------------------                             ---------------------
Calvin Lee                                        Date
President
Orient Semiconductor Electronics, Limited

                                       1.


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