The import price index stood at 105.53 in February, up 3.8 percent from the previous month, according to the Bank of Korea (BOK).
It continued to gain since December last year amid a higher crude oil price. Dubai crude, South Korea's benchmark, averaged 60.89 U.S. dollars per barrel in February, up 11.1 percent from the prior month.
Price for imported coal and oil products advanced 7.4 percent in February from a month earlier, and the price for mining products jumped 8.3 percent.
The export price index hiked 3.1 percent in February from the prior month on the back of higher crude oil price.
Price for exported coal and oil products soared 13.1 percent last month, and price for primary metal products rose 5.6 percent.
The export price for computers, electronic and optical devices gained 1.1 percent in February from a month earlier.
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