The South Korean won traded around 1,346 per dollar, easing slightly but remaining near a two-year high as higher oil prices increased demand for the U.S. dollar. Brent crude rose above $107 a barrel amid escalating U.S.-Iran tensions, raising concerns about energy import costs. The U.S. 10-year Treasury yield neared 5% as markets increased bets on a Federal Reserve rate hike next week after stronger U.S. producer inflation, supporting the dollar ahead of the U.S. CPI report. South Korean consumer prices rose 3.1% year-on-year in August, remaining above the Bank of Korea's target, while the central bank said future rate hikes would depend on domestic and external conditions. Exports rose 82.9% year-on-year in the first 10 days of September, led by a 270% increase in semiconductor shipments.