1. Defendant A Co., Ltd. jointly with B and jointly with the Plaintiff KRW 2,385,957,352 and its amount from December 28, 2017.

1. Basic facts

A. The Plaintiff is a bank that supplies and manages funds necessary for the industrial development and development of infrastructure, expansion of social infrastructure, regional development, stabilization of financial markets, etc. under the Korea Development Bank Act. Defendant A Co., Ltd. (hereinafter “Defendant A”) is a company that manufactures semiconductor equipment, etc., and Defendant A’s representative director (the manager status of Defendant A during the rehabilitation procedure under the Defendant A) until September 28, 2017. (B) Defendant A, including the progress of the rehabilitation procedure, had an application for the rehabilitation procedure under the Seoul Central District Court No. 2015, 1017 on January 16, 2015, and had a decision to commence the rehabilitation procedure under the above court’s agreement on February 11, 2015 on the commencement of rehabilitation procedure between the Plaintiff and the Plaintiff’s new shares and the Plaintiff’s new shares issued on July 18, 2016 (the Plaintiff’s new shares issued on July 29, 2016).

b. The Agreement was drawn up. This Agreement was concluded on December 19, 2016 (hereinafter referred to as “the date of conclusion of the Agreement”) between the following parties:

2. The E representative director B of the defendant A (hereinafter referred to as the "B") ASEAN;

3. B (hereinafter referred to as “sick”); and

1. A shall be.