1. The Defendant’s KRW 910,891,150 for the Plaintiff and KRW 6% per annum from October 28, 2014 to November 16, 2016.

1. Facts of recognition;

A. On June 30, 201, the Plaintiff entered into a contract for the work with the Defendant and the Defendant’s Intervenor. The Plaintiff constitutes a joint supply and demand organization with the mode of sharing performance on June 30, 201, and the Defendant and the Defendant’s Intervenor (hereinafter “SBT”)

(2) The construction work of designing and installing the production and installation of the space of the Hawon-dong and the Haar-dong Embaec

(2) The term “instant contract” is collectively referred to as “instant contract,” and is referred only to as “the primary contract relating to the primary project from June 30, 201 to December 31, 2011, as seen below, as the foregoing contract and the instant contract for the primary project.”

3) The Defendant’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s Intervenor’s trade name before and after the change.

A) On November 201, 201, SPT entered into a contract to modify the construction cost of the instant primary contract from KRW 793,000 to KRW 538,420,000 (the sum of construction cost of the construction work units to be shared by the Intervenor joining the Defendant). The instant contract is a standard contract for construction work (hereinafter “the main text of the instant contract”).

(ii) the Standard Agreement on Joint Supply and Demand (hereinafter referred to as the “Standard Agreement”);

) The general terms of the construction contract (hereinafter “instant general terms”)

) Special conditions of the construction contract (hereinafter “instant special conditions”)

(3) The chief of the service order (hereinafter referred to as “instant chief of the service order”)

The main contents of the instant contract consisting of the following. The amount of the total construction cost of the primary construction cost of KRW 7,693,290,000 (the total construction cost of KRW 7,693,290,000 from June 30, 201 to December 31, 201): The contract deposit of KRW 1,538,658,00: the O contract standard of KRW 1,538,658,00: the first contract period between June 30, 201 and October 31, 2013; the first contract period of KRW 793,000: the second contract period of between June 30, 201 and December 31, 2011; the third contract period of KRW 2012; the scope of budget for year 2012;