A. On March 19, 2014, the Plaintiff entered into a share transfer agreement (hereinafter “instant share transfer agreement”) with Defendant B to transfer 10,000 shares of F Co., Ltd. under the name of the Plaintiff and the Plaintiff (hereinafter “F”) owned by the Plaintiff to Defendant B.

B. According to the instant share transfer contract, the share transfer price is KRW 1.64 billion in total; Defendant B paid the Plaintiff the down payment of KRW 100 million at the same time with the contract; ② as the first intermediate payment at the end of March 2014, the payment of KRW 620 million in the form of the first intermediate payment for a term loan; ③ as the second intermediate payment on April 21, 2014, the Plaintiff shall be paid KRW 300 million in the form of the second intermediate payment on April 21, 2014; and ④ as the remainder on July 21, 2014, the payment of KRW 620 million in the remainder.

C. Meanwhile, Defendant C paid the Plaintiff the down payment KRW 100 million according to the stock transfer contract of this case on the day of the conclusion of the said contract.

Since then, the Plaintiff lent KRW 70 million to Defendant D on April 14, 2014, and KRW 21,000,000,000 to Defendant D on April 21, 2014. However, in order for the Defendants to not refund the said borrowed amount, the Defendants prepared a loan certificate with respect to KRW 270,000,000,000 and KRW 300,000,000,000,000,000,000,000 for the total amount of the borrowed amount under the stock transfer contract of this case, and KRW 30,000,00,000,000,000,000,000,000,000,000,000,000,000,000,000,00

[Ground of recognition] Facts without dispute, entries in Gap evidence 1 to 5 (including each number), the purport of the whole pleadings

2. The Plaintiff prepared to the Plaintiff the instant loan certificate with the purport that the Plaintiff loaned KRW 270 million to the Defendants, which stated that the Plaintiff and the Defendant B and the Defendant B would not conflict with each other, and that the Defendant B would repay the amount of KRW 570 million until April 30, 2014, and that Defendant D and C signed the instant loan certificate as a joint and several surety.