1. The Defendants are jointly and severally and severally liable to the Plaintiff for KRW 336,206,660 as well as for the aforesaid costs from September 20, 2014.

1. Facts of recognition;

A. On December 28, 2011, the Defendants decided to organize a joint supply and demand company with the method of joint performance and appointed Defendant B Co., Ltd. (hereinafter referred to as “stock company”) as the representative of the said joint supply and demand company, and concluded a contract with the Small and Medium Business Corporation and the said Corporation’s head office building relocation (hereinafter referred to as “construction work in this case”) for the construction period from December 30, 201 to June 21, 2013 (finally changed from December 30, 2013 to June 30, 201) with respect to construction work for the relocation of the said Corporation’s head office to the Seoul Business Corporation and the said Corporation’s head office building site (finally changed from December 30, 2013 to December 30, 2013).

The Defendants determined the ratio of shares in the joint supply and demand organization to 30% in the case of Defendant B, 25% in the case of the construction of the company, 25% in the case of the construction of the company, 25% in the case of the comprehensive construction of Defendant E.S., and

B. The Plaintiff and the Defendants, among the instant construction works, have the construction period of ① construction from January 15, 2013 to June 21, 2013 (it shall be changed from April 5, 2013 to August 30, 2014), construction cost of KRW 1,338,70,00 (it shall be changed to KRW 1,218,750,000) (it shall be changed to KRW 1,218,750,00) with respect to the construction work for the interior of the instant building (hereinafter referred to as “instant waterway construction”), ② The construction period of KRW 1,38,70,00,00 among the instant construction works (it shall be changed to KRW 1,218,750,000, KRW 20,000 (it shall be changed to KRW 40,000, KRW 208,000, KRW 10,708,708, etc. (hereinafter referred to “the construction work price”).

C. The Plaintiff completed the instant subcontracted project on May 14, 2014, and obtained approval for use at that time, and the Defendants and the Defendants around September 12, 2014.