[DISCLOSURE] Kumho Petrochemical (011780) reported on April 28 that its operating profit in the first quarter hiked 42 percent to 65.7 billion won (US$57.81 million) from the same period last year.

Its revenue increased 61.6 percent to 1.41 trillion won and net profit 83.5 percent to 70.4 billion won on-year.

By Hwang You-mee (theinvestor@heraldcorp.com)