A. On January 25, 2017, E loaned KRW 100,000 to Defendant B with interest rate of KRW 5% per annum and due date on July 31, 2017. Defendant C jointly and severally guaranteed the above loan obligation. Defendant B merely paid interest to E until July 31, 2017.

On September 1, 2017, E and Defendant B extended the due date for the repayment of the above loan credit on December 31, 2017, and Defendant C and D jointly and severally guaranteed the foregoing changed loan debt.

3) On January 1, 2018, E and Defendant B had extended the repayment period of the above loan credit to June 30, 2018, and changed the interest to 7% per annum. Defendant C and D jointly and severally guaranteed the changed loan debt as above. (b) The F loaned the loan debt to Defendant B on January 25, 2017 as the interest rate of KRW 200 million per annum and July 31, 2017. Defendant C guaranteed the said loan debt.

2) Defendant B paid only the interest to F until July 31, 2017, and did not pay the principal. The F and Defendant B extended the maturity of the foregoing loan credit on September 1, 2017 to December 31, 2017, and Defendant C and D guaranteed the loan debt changed as above. 3) F and Defendant B guaranteed the loan debt as above. On January 1, 2018, the maturity period of the above loan credit was extended to June 30, 2018, and the interest was changed to 7% per annum. Defendant C and D jointly guaranteed the loan debt changed as above.

C. G’s loan claim 1) on October 19, 2017, G lent KRW 150,000 to Defendant B on a yearly basis and on November 14, 2017. Defendant C and D guaranteed the above loan obligation. (2) on November 15, 2017, G and Defendant B extended the repayment period of the above loan obligation to December 31, 2017 and changed the interest to 5% per annum. On January 1, 2018, the repayment period was extended to June 30, 2018 and the interest was changed to 7% per annum.

Defendant C and D have been changed twice as above.