1934 Act Registration No. 1-15128 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 Dated September 15, 2003 For the month of August 2003 United Microelectronics Corporation (Translation of Registrant's Name into English) No. 3 Li Hsin Road II Science-Based Industrial Park Hsinchu, Taiwan, R.O.C. (Address of Principal Executive Office) (Indicate by check mark whether the registrant files or will file annual reports under cover of form 20-F or Form 40-F.) Form 20-F X Form 40-F ----------------- ------------ (Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.) Yes No X ---------- ------------------ (If "Yes" is marked, indicated below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable) -------------- SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. United Microelectronics Corporation Date: 9/15/2003 By /s/ Stan Hung --------------------- -------------------------------------- Stan Hung Chief Financial Officer Exhibit Exhibit Description 99.1 Announcement on August 27, 2003: UMC and Faraday to Expand Silicon Verified IP Offerings 99.2 Announcement on August 28, 2003: To announce related materials on acquisition of UMCi PTE LTD securities 99.3 Announcement on September 8, 2003: Represent subsidiary Company UMCi Pte Ltd to announce information on acquisition of equipment 99.4 Announcement on September 8, 2003: Represent subsidiary Company UMCi Pte Ltd to announce information on acquisition of equipment 99.5 Announcement on September 8, 2003: Resolutions approved by the 27th meeting, 8th term of Board of Directors 99.6 Announcement on September 9, 2003: August sales 99.7 Announcement on September 15, 2003: 1) the trading and pledge of UMC common shares by directors, supervisors, executive officers and 10% shareholders of UMC 2) the acquisition and disposition of assets by UMC EXHIBIT 99.1 UMC and Faraday to Expand Silicon Verified IP Offerings 1.Date of occurrence of the event:2003/08/27 2.Cause of occurrence: HSINCHU, Taiwan -- August 27, 2003 -- Faraday Technology Corporation (TAIEX: 3035), a leading provider of ASIC design service and silicon proven IP, and UMC (NYSE: UMC), a world leading semiconductor foundry, today announced that Faraday will expand its silicon verified IP offerings on UMC's 0.18-micron, 0.15-micron, and 0.13-micron processes. Faraday is on track to have a comprehensive suite of IP that includes high-speed interface, processor cores, and mixed-signal cores, made available to mutual customers. This agreement will provide customers with an expansive portfolio of Faraday IP cores that target a wide range of IC applications, all proven on UMC silicon. The two companies already have a long-working history of jointly developing cell libraries and embedded memories. 3.Countermeasures:none 4.Any other matters that need to be specified: none EXHIBIT 99.2 To announce related materials on acquisition of UMCi PTE LTD securities 1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g.dividend yield): UMCi PTE LTD 2.Date of occurrence of the event:2003/08/28 3.Volume, unit price, and total monetary amount of the transaction: Volume: 135,000,000 shares; unit price:$0.875 USD; total amount:$118,125,000 USD 4.Counterpart to the trade and its relationship to the Company (if the trading counterpart is a natural person and furthermore is not an actual related party of the Company, the name of the trading counterpart is not required to be disclosed): Infineon Technologies AG, not related to the Company 5.Where the counterpart to the trade is an actual related party, a public announcement shall also be made of the reason for choosing the related party as trading counterpart and the identity of the previous owner (including its relationship with the company and the trading counterpart), price of transfer, and date of acquisition: Not applicable 6.Where a person who owned the property within the past five years has been an actual related person of the company, a public announcement shall also include the dates and prices of acquisition and disposal by the related person and the person's relationship to the company at those times: Not applicable 7.Matters related to the creditor's rights currently being disposed of (including types of collateral of the disposed creditor's rights; if the creditor's rights are creditor's rights toward a related person, the name of the related person and the book amount of the creditor's rights toward such related person currently being disposed of must also be announced):Not applicable 8.Anticipated profit or loss from the disposal (not applicable in cases of acquisition of securities)(where originally deferred, the status or recognition shall be stated and explained):Not applicable 9.Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important stipulations: one time payment,$118,125,000 USD 10.The manner in which the current transaction was decided, the reference basis for the decision on price, and the decision-making department: price negotiation; net value per share; The Chairman and President Office 11.Current cumulative volume, amount, and shareholding percentage of holdings of the security being traded (including the current trade) and status of any restriction of rights (e.g.pledges):cumulative volume:346,871,275 shares; amount:$10,711,859,248 NTD; percentage of holdings: 81.43%;status of restriction of rights: no 12.Current ratio of long or short term securities investment (including the current trade) to the total assets and shareholder's equity as shown in the most recent financial statement and the operating capital as shown in the most recent financial statement: ratio of total assets:21.18%; ratio of shareholder's equity:29.64%; the operational capital as shown in the most recent financial statement:$71,840,999 thousand NTD 13.Broker and broker's fee: none 14.Concrete purpose or use of the acquisition or disposition: long term investment on share holdings 15.Net worth per share of company underlying securities acquired or disposed of:$0.9294 USD 16.Do the directors have any objection to the present transaction?: none 17.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?: none 18.Any other matters that need to be specified: none EXHIBIT 99.3 Represent subsidiary Company UMCi Pte Ltd to announce information on acquisition of equipment 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City):equipment 2.Date of the occurrence of the event:2003/08/01~2003/09/08 3.Transaction volume (e.g.XX square meters, equivalent to XX p'ing), unit price, total transaction price: transaction volume:9; unit price: NTD73,042,889; total transaction price:NTD657,386,000 4.Counterparty to the trade and its relationship with the company (if the trading counterpart is a natural person and is not an actual related party of the Company, the name of the trading counterpart is not required to be disclosed): Tokyo Electron Limited, not related to the Company 5.Where the counterpart to the trade is an actual related party, a public announcement shall also include the reason for choosing the related party as trading counterpart and the identity of the previous owner (including its relationship with the company and the trading counterpart), price of transfer and the date of acquisition: not applicable 6.Where a person who owned the property within the past five years has been an actual related person of the company, a public announcement shall also include the dates and prices of acquisition and disposal by the related person and the person's relationship to the company at those times: not applicable 7.Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets) (where originally deferred, the status or recognition shall be stated and explained):not applicable 8.Terms of delivery or payment (including payment period and monetary amount):100% paid after acceptance; restrictive convenants: no; other important stipulations: no 9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price negotiation), the reference basis for the decision on price and the decision-making department: The manner of deciding on this transaction: price negotiation The reference basis for the decision on price: market price The decision-making department: Selection Meeting 10.Name of the professional appraisal institution and its appraisal amount: not applicable 11.Reason for any significant discrepancy with the transaction amount, and opinion of the certifying CPA: not applicable 12.Is the appraisal report price a limited price or specific price?: not applicable 13.Has an appraisal report not yet been obtained?: not applicable 14.Reason an appraisal report has not yet been obtained: not applicable 15.Broker and broker's fee: none 16.Concrete purpose or use of the acquisition or disposition: for production purpose 17.Do the directors have any objection to the present transaction?: none 18.Any other matters that need to be specified: none EXHBIT 99.4 Represent subsidiary Company UMCi Pte Ltd to announce information on acquisition of equipment 1.Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District, Taichung City):equipment 2.Date of the occurrence of the event:2003/08/01~2003/09/08 3.Transaction volume (e.g.XX square meters, equivalent to XX p'ing), unit price, total transaction price: transaction volume:2; unit price: NTD570,084,000; total transaction price:NTD1,140,168,000 4.Counterparty to the trade and its relationship with the company (if the trading counterpart is a natural person and is not an actual related party of the Company, the name of the trading counterpart is not required to be disclosed): ASML Hong Kong Ltd., not related to the Company 5.Where the counterpart to the trade is an actual related party, a public announcement shall also include the reason for choosing the related party as trading counterpart and the identity of the previous owner (including its relationship with the company and the trading counterpart), price of transfer and the date of acquisition: not applicable 6.Where a person who owned the property within the past five years has been an actual related person of the company, a public announcement shall also include the dates and prices of acquisition and disposal by the related person and the person's relationship to the company at those times: not applicable 7.Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets) (where originally deferred, the status or recognition shall be stated and explained):not applicable 8.Terms of delivery or payment (including payment period and monetary amount):100% paid after acceptance; restrictive convenants: no; other important stipulations: no 9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price negotiation), the reference basis for the decision on price and the decision-making department: The manner of deciding on this transaction: price negotiation The reference basis for the decision on price: market price The decision-making department: Selection Meeting 10.Name of the professional appraisal institution and its appraisal amount: not applicable 11.Reason for any significant discrepancy with the transaction amount, and opinion of the certifying CPA: not applicable 12.Is the appraisal report price a limited price or specific price?: not applicable 13.Has an appraisal report not yet been obtained?: not applicable 14.Reason an appraisal report has not yet been obtained: not applicable 15.Broker and broker's fee: none 16.Concrete purpose or use of the acquisition or disposition: for production purpose 17.Do the directors have any objection to the present transaction?: none 18.Any other matters that need to be specified: none EXHIBIT 99.5 Resolutions approved by the 27th meeting, 8th term of Board of Directors 1.Date of occurrence of the event:2003/09/08 2.Cause of occurrence: Our board of directors has resolved in the board meeting to dispose no more than 17,000,000 shares of Novatek Microelectronics Corp. through secondary offering. The price of the offering will be in the range of 93% to 97% of the lowest price among the following: 1. The closing price on the pricing date, 2. The average closing price of pricing date and two business days prior to pricing date and 3. The average closing price of pricing date and nine business days prior to pricing date. The actual selling price will depend on book building result and market condition. The board of directors has authorized the chairman to decide the selling price with the underwriters. 3.Countermeasures: none. 4.Any other matters that need to be specified: none. EXHIBIT 99.6 United Microelectronics Corporation September 9, 2003 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of August 2003 1) Sales volume (NT$ Thousand) ---------------------------------------------------------------------------------------------------------- Period Items 2003 2002 Changes % ---------------------------------------------------------------------------------------------------------- August Invoice amount 7,343,156 6,940,002 403,154 5.81% ---------------------------------------------------------------------------------------------------------- Jan - Aug Invoice amount 55,615,496 47,727,369 7,888,127 16.53% ---------------------------------------------------------------------------------------------------------- August Net sales 7,006,371 6,413,016 593,355 9.25% ---------------------------------------------------------------------------------------------------------- Jan - Aug Net sales 53,621,492 43,877,172 9,744,320 22.21% ---------------------------------------------------------------------------------------------------------- 2) Funds lent to other parties (NT$ Thousand) ------------------------------------------------------------------------------- Balance as of period end ------------------------------------------------------------------------------- This Month Last Month Limit of lending ------------------------------------------------------------------------------- UMC 0 0 32,281,487 ------------------------------------------------------------------------------- UMC's subsidiaries 30,417 30,631 1,940,958 ------------------------------------------------------------------------------- 3) Endorsements and guarantees (NT$ Thousand) ------------------------------------------------------------------------------------------------ Change in This Month Balance as of period end Limit of endorsements ------------------------------------------------------------------------------------------------ UMC 0 0 64,562,974 ------------------------------------------------------------------------------------------------ UMC's subsidiaries 0 0 0 ------------------------------------------------------------------------------------------------ UMC endorses for subsidiaries 0 0 ------------------------------------------------------------------------------------------------ UMC's subsidiaries endorse for UMC 0 0 ------------------------------------------------------------------------------------------------ UMC endorses for PRC companies 0 0 ------------------------------------------------------------------------------------------------ UMC's subsidiaries endorse for PRC companies 0 0 ------------------------------------------------------------------------------------------------ 4) Financial derivatives transactions a-1 Hedging purpose (for assets/liabilities denominated in foreign currencies) -------------------------------------------------------------------------------- Underlying assets / liabilities N/A -------------------------------------------------------------------------------- Financial instruments -------------------------------------------------------------------------------- Realized profit (loss) -------------------------------------------------------------------------------- a-2 Hedging purpose (for the position of floating rate liabilities) NT$ thousand -------------------------------------------------------------------------------- Underlying assets / liabilities 15,000 -------------------------------------------------------------------------------- Financial instruments Interest rate swap -------------------------------------------------------------------------------- Mark to market value -194 -------------------------------------------------------------------------------- b Trading purpose: None EXHIBIT 99.7 United Microelectronics Corporation For the month of August, 2003 This is to report 1) the trading of directors, supervisors, executive officers and 10% shareholders of United Microelectronics Corporation ("UMC") (NYSE : UMC) 2) the pledge and clear of pledge of UMC common shares by directors, supervisors, executive officers and 10% shareholders of UMC 3) the acquisition assets by UMC 4) the disposition of assets by UMC for the month of August, 2003 1) The trading of directors, supervisors, executive officers and 10% shareholders ----------------------------------------------------------------------------------------------------------------- Title Name Number of shares held Number of shares Number of shares Changes when elected (for held as of held as of Directors, July 31, 2003 August 31, 2003 Supervisors and Executive Officers) or as May 30, 2001 ----------------------------------------------------------------------------------------------------------------- CMO Chris Chi 3,216,464 3,027,464 (189,000) ----------------------------------------------------------------------------------------------------------------- President Fu-Tai Liou 5,619,735 5,579,735 (40,000) ----------------------------------------------------------------------------------------------------------------- 2) The pledge and clear of pledge of UMC common shares by directors, supervisors, executive officers and 10% shareholders : ----------------------------------------------------------------------------------------------------------------- Title Name Number of Number of Changes shares pledge shares pledge as of as of July 31, 2003 August 31, 2003 ----------------------------------------------------------------------------------------------------------------- N/a N/a ----------------------------------------------------------------------------------------------------------------- 3) The acquisition assets (NT$ Thousand) ---------------------------------------------------------------------------- Description of assets August Jan - Aug ---------------------------------------------------------------------------- Semiconductor Manufacturing Equipment 452,185 4,249,530 ---------------------------------------------------------------------------- Fixed assets 43 38,518 ---------------------------------------------------------------------------- 4) The disposition of assets (NT$ Thousand) ---------------------------------------------------------------------------- Description of assets August Jan -Aug ---------------------------------------------------------------------------- Semiconductor Manufacturing Equipment 318,883 1,339,502 ---------------------------------------------------------------------------- Fixed assets 0 27,523 ----------------------------------------------------------------------------