On April 27, 2017, Woori Bank filed its Annual Report on Form 20-F for the year ended December 31, 2016 with the U.S. Securities and Exchange Commission. The 2016 Annual Report on Form 20-F can be downloaded from www.wooribank.com, as well as from the website of the U.S. Securities and Exchange Commission at www.sec.gov. Investors may request a hard copy of the 2016 Annual Report on Form 20-F, free of charge, by contacting yjcan@wooribank.com.

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