1. The Defendants shall jointly and severally pay to the Plaintiff KRW 1,661,616,892 as well as the interest rate from March 20, 2018 to the date of full payment.

1. Indication of claim;

A. On June 23, 2015, the Plaintiff entered into a contract for the supply of steel materials, etc. to Defendant A Co., Ltd., and Defendant B jointly and severally guaranteed the Defendant Company’s obligation to pay for the goods to the Plaintiff.

B. According to the above contract, the Plaintiff supplied steel products equivalent to KRW 4,245,146,851 to Defendant A, but the Defendant Company paid KRW 2,583,529,959 as the price for the goods.

C. Therefore, the Defendants are jointly and severally liable to pay to the Plaintiff the remaining amount of KRW 1,61,616,892 (=4,245,146,851 won - 2,583,529,959) and damages for delay calculated at the rate of 15% per annum under the Act on Special Cases Concerning Expedition, etc. of Legal Proceedings from March 20, 2018 to the date of full payment after the duplicate of the instant complaint was served on the Defendant.

2. Articles 208 (3) 1 and 257 (1) of the Civil Procedure Act of the applicable provisions of Acts;