1. Defendant A and Defendant B jointly and severally filed against the Plaintiff KRW 835,708,151 and KRW 618,046,841 among them.

1. Basic facts

A. On June 22, 2009, the Plaintiff entered into a credit guarantee agreement with Defendant A Co., Ltd. (hereinafter referred to as “Defendant A”) with a credit guarantee principal of KRW 100 million, from June 22, 2009 to June 21, 2010 (the subsequent credit guarantee principal was changed to June 19, 2015; the period of credit guarantee was changed to June 2, 2015) (hereinafter referred to as “the first agreement”); the amount of credit guarantee principal of KRW 80 million on February 27, 2014; and the period of credit guarantee payment from February 27, 2014 to February 26, 2015 (the period of credit guarantee payment was changed to KRW 300 million until February 26, 2016; the period of credit guarantee payment was changed to the principal of each credit guarantee agreement of KRW 300 million (the period of credit guarantee payment was changed to KRW 300 million).

B. Defendant A, based on a credit guarantee letter issued pursuant to each of the above credit guarantee agreements, is KRW 100 million from the Bank M&D branch on June 22, 2009; KRW 100 million from the Han Bank Co., Ltd. (hereinafter “I Bank”); KRW 275 million from the branch office of the Han Bank Co., Ltd. (hereinafter “New Bank”); KRW 675 million on March 21, 2014; and Defendant A, a stock company on June 3, 2014.