· The Annual Report on Form 20-F for the year ended December 31, 2017(the "Form 20-F") was filed with the U.S. Securities and Exchange Commission on April 30, 2018. The 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. Printed copies of the Form 20-F will be available and can be requested, free of charge, by contacting wwchoi@wooribank.com..

· The registration statement on Form F-4/A No.1 including Consolidated Financial Statements as of June 30, 2018(the “Form F-4/A No.1”) was filed with the U.S. Securities and Exchange Commission on Sep. 28, 2018. The Form F-4/A No.1 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. Printed copies of the Form F-4/A No.1 will be available and can be requested, free of charge, by contacting woori.ir@wooribank.com.