1. The Defendant’s KRW 423,50,000 as well as 6% per annum from July 15, 2016 to June 23, 2017 to the Plaintiff.

1. Basic facts

A. A Co., Ltd. and the Intervenor’s Intervenor’s Intervenor’s subcontract conclusion 1) A Co., Ltd., Daelim Construction Co., Ltd., Geum River Construction Co., Ltd., Geum River Construction Co., Ltd., Ltd. (hereinafter “A”, Dae River Construction, Geum River Construction, and Tae River Construction,” respectively.

(C) On November 6, 2009, the Korea Land and Housing Corporation shall organize a joint supply and demand organization with the representative of the substitute construction (hereinafter referred to as the “instant construction”).

(1) On March 30, 2010, 17,207,694,000 won was awarded a contract for 17,207. Large-scale Construction subcontracted reinforced concrete construction, water supply and drainage construction among the instant construction to the Defendant joining the Defendant. On December 10, 2010, Large-Scale Construction subcontracted the instant construction to the Defendant joining the Defendant for joining the Intervenor for the joint supply and demand of 30,01, 10, 205, 201, 30,000, 30,000,000,000,000,000,000,000,000,000,000,000,000,000,00,000,000,00,000,000,000,000,000,000,000,00,00,000.

(3) The main contents of the terms and conditions of the instant subcontract agreement, incorporated into the instant subcontract, are as follows:

1. The Intervenor joining the Defendant A.