HONG KONG (Standard&Poor's) Sept. 26, 2014--Standard&Poor's Ratings Services today said that it has raised to 'BBB-' from 'BB+' its program ratings on Woori Bank's (Woori; A-/Stable/A-2) subordinated tranche of US$7 billion global medium-term note (GMTN) program and its issue rating on the bank's US$1 billion Basel III Tier 2 subordinated bonds with a fixed coupon rate of 4.75%, due April 30, 2024. Woori had drawn down the US$ 1 billion bonds from the US$7 billion GMTN program on April 30, 2014. Our upgrade primarily reflects our view that these Basel III instruments now face a lower default risk after Korea's financial regulator recently changed its stance on the nonviability event trigger. Due to the change, we