1. The Plaintiff (Counterclaim Defendant) paid KRW 144,963,317 to the Defendant (Counterclaim Plaintiff) and its related amount from February 1, 2013 to August 1, 2014.

1. Determination as to the cause of the principal claim

A. On February 22, 2012, the Plaintiff entered into a construction contract with the Defendant on a construction cost of KRW 227,954,00 with respect to civil works and electrical construction works among the new construction works of a factory in D ground, and entered into a construction contract with the Defendant on March 16, 2012, with the construction cost of KRW 352,646,00 ( separate value-added tax) as to steel frame and panel works among the new construction works of the aforementioned factory building (hereinafter referred to as “new construction works of the instant factory”; the Plaintiff’s additional construction work as stated in the following column for the new construction of the factory in this case; the Plaintiff’s additional construction work as stated in the “number 163,97,92,565, the total amount of construction cost of KRW 92,94,565,000, KRW 297, KRW 979, KRW 394,294,294,299,52,97,294,29,294,2,2965, etc.

B. Determination 1) As a result of the appraisal conducted on December 13, 2013 by 3 outside floors construction work 7,291,026 appraiser E on December 13, 2013, the ground for 1 (referring to retaining walls and block removal work between one unit and two units) 392,82 appraiser E on the basis of the cited amount of the additional construction work (as a result of the appraisal conducted on December 13, 2013, 2013, 3 outside floors construction work 7,291,026 appraiser E on December 13, 2013, 4, 4, 4, 4, 4, 1, 27,846,544 16 of appraiser E on December 13, 2013: According to the appraisal written evidence evidence 27,84, 504, 504, 160, 160, 306, 160