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Annual Reports
Latest UMC SEC filings are available through the U.S. SEC EDGAR database.
Shareholders may request a hard copy of the Form 20-F free of change. Please contact UMC-IR at ir@umc.com.
2019
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2018 -
2017 -
2016 -
2015 -
2014 -
2013 -
2012 -
2011 -
2010
