UMC Announces Trustee and Payment Collection Banks for First and Second Domestic Unsecured Convertible Corporate Bonds

Announcement Date: July 22, 115 Statement Date: July 21, 115 Statement Time: 16:07:02 Company Code: 2303 Company Name: UMC Subject: Announcement of the Trustee and Escrow Account Banks for the First and Second Domestic Unsecured Convertible Corporate Bonds Issued by the Company Applicable Clause: Clause 51 Factual Date: July 21, 115 Details: 1. Factual Date: July 21, 115 2. Company Name: United Microelectronics Corporation 3. Relationship with Company (enter '本公司' or 'subsidiary'):本公司 (the Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: In accordance with Article 9, Paragraph 1, Clause 2 of the 'Regulations Governing the Offering and Issuance of Securities by Issuers' 6. Response Measures: None 7. Other Matters to be Disclosed (If the entity involved in the event or resolution is a publicly issued company or above, this material information also qualifies under Article 7, Clause 9 of the Enforcement Rules of the Securities and Exchange Act as a matter having significant impact on shareholders' rights or securities prices): (1) Contract Date: July 21, 115 (2) Designated Bank for Payment Collection: Hua Nan Commercial Bank, Head Office Branch (3) Designated Institution for Escrow Account: Chinatrust Commercial Bank, Dunnan Branch