1.The judgment of the first instance shall be modified as follows:

The Plaintiff, the Selection A, 390,926,078 won, and 389,259.

1. Basic facts

A. 1) The Plaintiff is a juristic person established to conduct trade insurance business to ensure risks arising in connection with trade or other foreign transactions according to the Trade Insurance Act. 2) When the Defendant (Appointeds) and the remaining designated parties (hereinafter collectively referred to as “appointeds”), the Plaintiff is a representative director of the non-party company at the time of concluding an export credit guarantee agreement with the Plaintiff, and as a representative director of the non-party company at the time of concluding an export credit guarantee agreement with the Plaintiff, the Plaintiff is a deceased E’s wife and children, a joint guarantor of the export credit guarantee agreement, and E’s property heir.

B. On December 30, 2013, the Plaintiff entered into an export credit guarantee agreement with the non-party company under a joint and several guarantee agreement with E, and issued an export credit guarantee agreement with the FF bank on the same day, and on November 30, 2016, the Plaintiff entered into an export credit guarantee agreement with the non-party company with the same content under a joint and several guarantee agreement with E: The credit guarantee limit: 900,000,000 won: G guarantee number: the FF Bank (Revolving Bank) guarantee period: From December 30, 2013 to December 29, 2017, Article 8 of the above export credit guarantee agreement provides that "where the Corporation performs a guaranteed obligation, it shall reimburse the Corporation in accordance with the method determined by the Corporation for reasonable expenses incurred in exercising the right acquired by the Corporation to discharge the guaranteed obligation and, where the Corporation fails to reimburse the amount of damages determined by the Corporation, the amount of delayed payment shall be included in the calculation of the interest rate for the amount of damages determined by the Corporation and the Corporation.