1. The Plaintiff:

A. Defendant Kusan Construction Co., Ltd., and Daesan Construction Co., Ltd., jointly and severally, KRW 102,570,619 and its corresponding amount.

1. Facts of recognition;

A. 1) The Korea National Housing Corporation shall enter into a contract for each of the following projects: the Korean National Housing Corporation shall live in the area of 245 and the area of 6 main mountain zone and 6 main mountain zone (hereinafter referred to as the “instant apartment zone”).

(2) Article 8(1) of the Addenda to the Korea Land and Housing Corporation Act (amended by Act No. 9706, May 22, 2009) (amended by Act No. 9706, May 22, 2009); and the Plaintiff comprehensively succeeded to the property, claims, debts, and other rights and obligations of the Korea Land and Housing Corporation (hereinafter “Plaintiff”) as a public corporation established following the merger of the Korea Land and Housing Corporation and the Korea Land Corporation (hereinafter “Korea Land and Housing Corporation”) on October 1, 209.

(2) On November 6, 1999, the Plaintiff entered into a contract with the Plaintiff and the Defendant Kusan Construction Co., Ltd. (hereinafter “Defendant Kusan Construction”), with respect to the construction period of construction, machinery, and civil works from November 24, 199 to April 5, 2002, with respect to the Korea Housing Co., Ltd. and the Defendant Kusan Construction Co., Ltd. (hereinafter “Defendant Daesan Construction”), and with respect to the construction period of construction, machinery, and civil works from among the instant new apartment construction works, the contract was concluded with the Plaintiff as the contract amount of KRW 9,937,07,000 (the contract amount was changed to KRW 9,937,077,000 after the contract amount was changed to KRW 9,97,00,000). The Defendant Taesan Construction Co., Ltd. (hereinafter “Defendant Daesan Construction Co., Ltd.

② Under the above contract, the defect warranty period of Defendant Kusan case and Han-ro corporation’s house was determined by Article 16(1) of the former Decree on the Management of Multi-Family (amended by Presidential Decree No. 17554, Mar. 25, 2002) as follows: 10 years for columns, 10 years for columns, beams, beams, roof, 5 years for main stairs, 2 years for machinery, civil engineering, and 3 years for other apartment houses.

3) The Plaintiff and the Defendant Esung Co., Ltd. (hereinafter “Defendant Esung”)

On September 18, 1999, the Plaintiff entered into a contract for electrical construction works between Defendant Esung C&A and the instant apartment construction works with the construction period from March 13, 200 to April 5, 2002, with respect to the contract amount of KRW 681,852,00.

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