TAIPEI, Taiwan, July 24, 2013 (GLOBE NEWSWIRE) -- United Microelectronics Corporation (NYSE:UMC) (TWSE:2303), a leading independent semiconductor foundry, will hold its quarterly conference call to discuss second quarter 2013 results on Wednesday, August 07, 2013, at 5:00 a.m. US Eastern Time.

This call is being webcast by Thomson Reuters and can be accessed at UMC's Web site at

The dial-in details for the live conference call:
U.S. Toll Free Number +1800.871.3110, +1888.700.7397, 
Taiwan Number  02.2192.8018, 
Other Areas  +886.2.2192.8018,
Passcode: UMC   

The webcast is also being distributed through the Thomson Reuters StreetEvents Network to both institutional and individual investors.  Individual investors can listen to the call at, Thomson Reuters' individual investor portal, powered by StreetEvents.  Institutional investors can access the call via Thomson Reuters' password-protected event management site, StreetEvents ( 

Additional information about UMC is available on the web at
CONTACT: Bowen Huang         UMC, Investor Relations         Tel. +886-2-2658-9168, ext. 16957         Email: