[UMC Changes the Depositary for American Depositary Shares Taipei, Taiwan, R.O.C. — October 14, 2009 — About UMC UMC, Investor Relations Bowen Huang / Phil Lee / Tien Yu Tseng] [Form of Amended and Restated Deposit Agreement, among United Microelectronics Corporation, JPMorgan Chase Bank, N.A. as depositary, and all Holders and Beneficial Owners from time to time of American Depositary Receipts issued thereunder.] [Form 6-K October 14, 2009 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu Chief Financial Officer Description 99.1 99.2 Form of Amended and Restated Deposit Agreement, among United Microelectronics Corporation, JPMorgan Chase Bank, N.A. as depositary, and all Holders and Beneficial Owners from time to time of]