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 June 16, 2003 For the month of May 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: 6/16/2003 By /s/ Stan Hung ----------------- -------------------------------------- Stan Hung Chief Financial Officer Exhibit Exhibit Description 99.1 Announcement on May 29, 2003: Resolution approved by the 23rd meeting, 8th term of the board meeting 99.2 Announcement on June 9, 2003: Important resolutions passed in UMC's 2003 Annual General Meeting 99.3 Announcement on June 9, 2003: The earnings distribution has been amended after the annual general shareholder's meeting 99.4 Announcement on June 9, 2003: May sales 99.5 Announcement on June 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 Resolution Approved by the 23rd Meeting, 8th Term of the Board Meeting 1. Date of occurrence of the event:2003/05/29 2. Cause of occurrence: According to the response letter issued by the Ministry of Economics on May 14, 2003 (09202098480) and on August 22, 2002 (09102171560) 3. Countermeasures: Directors' and supervisors' remunerations to be distributed is amended to NTD5,649,816. 4. Any other matters that need to be specified: none Exhibit 99.2 Important resolutions passed in UMC's 2003 Annual General Meeting 1. Date of the shareholders' meeting: 2003/06/09 2. Important resolutions: 1) Approved the 2002 business report, financial statements and the surplus earning distribution chart 2) Approved to amend the Company's "Acquisition or Disposal of Assets Procedure" 3) Approved to amend the Company's "Endorsements and Guarantees Method", and change its title to "Endorsements and Guarantees Procedure" 4) Approved to amend the Company's "Loan Procedure" 5) Approved to amend the Company's "Financial Derivatives Transactions Procedure" 6) Approved the Company's board directors to serve as a director of other companies whose scope of business is in the same category as UMC 7) Approved that each 1000 common share is entitled to receive 40.1 shares for shareholder bonus and 57,972,672 shares are distributed as employee bonus 8) Approved that Articles 2 and 25 of the Company's Articles of Incorporation be amended 3. Endorsement of the annual financial statements (indicate "yes" or "no"): yes 4. Any other matters that need to be specified: none Exhibit 99.3 The Earnings distribution has been amended after the annual general shareholder's meeting 1. Date of the resolution of the board of directors or shareholders' meeting: 2003/06/09 2. Type and monetary amount of original dividend distribution: NTD6,079,251,450 allocated for shareholder bonus (NTD0.4 per Share) 3. Type monetary amount of dividend distribution after the change:NTD6,079,251,450 allocated for shareholder bonus (NTD0.401 per Share) 4. Reason for the change: The company held its board meeting on March 25, 2003 and proposed the earnings distribution but then due to stock buy back program (58,745,000 shares) affecting the number of shares outstanding, and thus adjusting the distribution rate to NTD0.401 per share 5. Any other matters that need to be specified: none Exhibit 99.4 United Microelectronics Corporation June 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 May 2003 1) Sales volume (NT$ Thousand) -------------------------------------------------------------------------------------------- Period Items 2003 2002 Changes % -------------------------------------------------------------------------------------------- May Invoice amount 7,713,946 7,180,736 233,210 3.25% -------------------------------------------------------------------------------------------- Jan - May Invoice amount 33,785,392 27,282,808 6,502,584 23.83% -------------------------------------------------------------------------------------------- May Net sales 7,356,746 6,630,053 726,693 10.96% -------------------------------------------------------------------------------------------- Jan -May Net sales 32,576,395 24,028,232 8,548,163 35.58% -------------------------------------------------------------------------------------------- 2) Funds lent to other parties (NT$ Thousand) -------------------------------------------------------------------------------- Balance as of period end -------------------------------------------------------------------------------- This Month Last Month Limit of lending -------------------------------------------------------------------------------- UMC 0 0 30,949,691 -------------------------------------------------------------------------------- UMC's subsidiaries 30,367 30,508 1,940,958 -------------------------------------------------------------------------------- 3) Endorsements and guarantees (NT$ Thousand) --------------------------------------------------------------------------------------------------- Change in This Month Balance as of period end Limit of endorsements --------------------------------------------------------------------------------------------------- UMC 0 0 61,899,383 --------------------------------------------------------------------------------------------------- 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) -------------------------------------------------------------------------------- Underlying assets / liabilities N/A -------------------------------------------------------------------------------- Financial instruments -------------------------------------------------------------------------------- Realized profit (loss) -------------------------------------------------------------------------------- b Trading purpose: None Exhibit 99.5 United Microelectronics Corporation For the month of May, 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 May, 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, April 30, 2003 May 31, 2003 Supervisors and Executive Officers) or as May 30, 2001 -------------------------------------------------------------------------------------------------------------- N/a N/a -------------------------------------------------------------------------------------------------------------- 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 April 30, 2003 May 31, 2003 -------------------------------------------------------------------------------------------------------------- N/a N/a -------------------------------------------------------------------------------------------------------------- 3) The acquisition assets (NT$ Thousand) -------------------------------------------------------------------------------- Description of assets May Jan - May -------------------------------------------------------------------------------- Semiconductor Manufacturing Equipment 490,906 2,920,168 -------------------------------------------------------------------------------- Fixed assets 25,939 36,302 -------------------------------------------------------------------------------- 4) The disposition of assets (NT$ Thousand) -------------------------------------------------------------------------------- Description of assets May Jan - May -------------------------------------------------------------------------------- Semiconductor Manufacturing Equipment 124,650 868,056 -------------------------------------------------------------------------------- Fixed assets 18,283 18,283 --------------------------------------------------------------------------------