(LEAD) S. Korea's exports rise 20.2 pct in Feb.
(ATTN: ADDS more info in 3rd para, from 7th para, photos; CORRECTS month in 3rd para)
SEJONG, March 1 (Yonhap) -- South Korea's exports jumped 20.2 percent last month from a year earlier expanding at the fastest clip in five years on rising oil prices
