SEOUL, South Korea--(BUSINESS WIRE)--On April 30, 2018, Woori Bank filed its Annual Report on Form 20-F for the year ended December 31, 2017 with the U.S. Securities and Exchange Commission. The 2017 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 2017 Annual Report on Form 20-F, free of charge, by contacting wwchoi@wooribank.com.