UMC Announces Conversion Price and Premium Rate for Second Domestic Unsecured Convertible Bond

1. Factual Date: 115/08/14

2. Company Name: United Microelectronics Corporation

3. Relationship with Company (please enter本公司or 子公司):本公司

4. Cross-shareholding Ratio: Not applicable

5. Reason for Occurrence: In accordance with the Company's 'Domestic Second Unsecured Convertible Bond Issuance and Conversion Regulations'

6. Response Measures: None

7. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly issued company or above, this major information simultaneously meets the criteria under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters having significant impact on shareholders' rights or securities prices):

(1) The issuance of the Company's domestic second unsecured convertible bond has been declared effective by the Financial Supervisory Commission under document No. 11503489291 dated July 17, 115.

(2) Using the average closing price of ordinary shares on the business day prior to the conversion price benchmark date of August 14, 115 (124.5 NT$) as the benchmark price, the conversion premium rate is set at 104.98%.

(3) Based on the above method, the conversion price is set at 130.7 New Taiwan Dollars per share.