Kumho E&C raised its share of a Seoul Metro Line 7 extension contract to ₩167.90 billion from ₩131.61 billion. The 27.6% increase reflects a higher construction participation share of 80.369%, up from 63%. The revised amount equals 9.18% of 2020 consolidated revenue. The 2.343-kilometer section in Incheon is scheduled to finish on October 17, 2027. The price and schedule may still change with design or project conditions.