1. The Defendant: 82,973,086 won to Plaintiff A corporation; 72,601,450 won to Plaintiff B corporation; and Plaintiff C.

1. Basic facts

A. On January 24, 2011, the joint contractors consisting of the Plaintiffs (hereinafter “joint contractors”) and the Defendant concluded a contract with the Defendant to contract the “D Road Construction Work” to the Plaintiff Joint contractors (hereinafter “instant Construction Work”).

(The instant first construction contract is a long-term continuing construction contract. The additional construction completion period: January 1, 2016).

The total construction contract of this case was completed after the construction was conducted by the Plaintiff’s joint contractors from the first to the eighth. Among them, the modification process related to the instant eight construction works is as follows.

1) On January 11, 2017, the Plaintiff Joint Supply and Demand Company and the Defendant concluded a contract with the Plaintiff Joint Supply and Demand Company to contract the instant eight construction works (139,939,880 won for the instant eight construction works, and the time limit for the completion of the instant eight construction works: December 30, 2017: 353 days for the instant eight construction works: 353 days for the total construction completion period; December 30, 2017: 2,529 days for the total construction completion period (hereinafter “instant eight construction contracts”).

(2) On August 31, 2017, the Plaintiff joint supply and demand company requested the Defendant to approve the suspension of the instant 8th construction on the ground that the instant 8th construction work is not feasible since it is currently performing the instant 7th construction work (such as soil, drainage, structure, packing, etc.).

3) On September 20, 2017, the Defendant ordered the Plaintiff Joint Supply and Demand Company to suspend the instant 8th construction work from September 20, 2017 to September 20, 2017, on the ground that “the instant 8th construction work can be implemented after the completion of the instant 7th construction work.” (iv) The Plaintiff Joint Supply and Demand the Defendant to approve the commencement of the instant 8th construction work on October 27, 2017 on the ground that “the instant 7th construction work has been completed” and “the completion of the instant 7th construction work,” and the Defendant ordered the Defendant to re- commence the instant 8th construction from November 1, 2017.

5 The plaintiff joint contractors and the defendant of this case around November 2017.