ISTE extends Gyeongju plant contract end date to 2028-04-30 after start delay

ISTE corrected its April 22 single-contract disclosure for a KRW 23.5 billion plant construction deal in Gyeongju, pushing the end date to 2028-04-30 from 2028-01-31 and shifting the advance payment schedule to 2026-12-30 from 2026-09-30, with a customer-requested start delay and a maintained 15-month construction period assumption.