1. The defendant,

A. From March 10, 2015, Plaintiff A Co., Ltd.: (a) KRW 5,812,763,43; and (b) KRW 201,00,000.

1. Basic facts

A. Construction contract between the plaintiffs and the defendant 1) The defendant expands and pack the E-F sections of the national expressway D date C-F sections (hereinafter “G Expansion Works”).

(2) The Plaintiff A Co., Ltd. (hereinafter “Plaintiff A”) participated in each of the instant construction sections with respect to the second sections during the instant construction period, and the Plaintiff Co., Ltd. (hereinafter “Plaintiff B”) was selected as a successful bidder, by participating in each of the respective bids on the third sections during the instant construction period.

3) On November 19, 2008, Plaintiff A and the Defendant were Section 2 of the instant construction work (hereinafter “instant Section 2”).

As to the total construction period of the overall contract, the total construction amount of KRW 1,500 was additionally added to KRW 107,630,803,000, and the construction period of the first year (2008) contract from November 20, 2008 to December 29, 2008; and the construction amount of KRW 410,000,000 among the instant two construction sections (hereinafter referred to as “instant two construction section construction contract”).

(4) On November 19, 2008, Plaintiff B entered into a contract with the Defendant for the construction period of the first year (2008) contract among the three sections of the instant construction works (208) by adding the total construction period of KRW 1,500 to the total construction period of KRW 80,94,486,167 with respect to the instant construction works (hereinafter “each of the instant construction works”), including the instant Section 2 and the instant Section 3 works, to the total construction period of KRW 380,00,000,000.

(2) The term “instant construction contract” is “the instant construction contract,” and the term “the instant construction contract,” including the instant construction contract and the three construction sections. The term “each of the instant construction contracts,” respectively, is stipulated under the general terms and conditions of each of the instant construction contracts.