DL E&C Co.,Ltd. (KOSE:A375500) agreed to acquire an 18% stake in Seoul Tunnel Co., Ltd. from DL Holdings CO., LTD. (KOSE:A000210) for KRW 6.8 billion on December 20, 2022. As of December 20, 2022, the transaction was approved by board of directors and is expected to complete on December 23, 2022.