1. The defendant shall pay 2,492,710,000 won to the plaintiff and 15% per annum from August 12, 2016 to the date of full payment.

1. Basic facts

A. 1) The Plaintiff entered into each of the instant subcontracts 1) The E Corporation (hereinafter “the instant prime contractor”) from the Public Procurement Service (Korea Government Agency)

(2) On January 21, 2013, the Plaintiff entered into a subcontract with the Intervenor joining the Defendant on the condition that the construction period for the earth structure construction works and the multi-purpose production and installation works (ex post facto) among the instant original works (hereinafter “instant primary works”) was from January 21, 2013 to December 31, 2013; the contract amount was KRW 4,096,400,000 (including value-added tax) and the contract amount was KRW 1,204,608,059; and the said subcontract was modified as follows.

(1) On January 21, 2013 to December 31, 2013, 2013, 4,096, 200, 204, 608, 059 first contract; 30.4. 6. 1. 20, 201 to 30. 1. 30, 205, 206. 1. 30, 205, 201 to 4. 20, 206. 1. 30, 205, 206. 1. 30, 205, 206. 1. 30, 205, 204, 204. 1. 1. 30, 205, 204, 201, 206. 1. 30, 204, 2018, 2014

As to the construction period, from August 12, 2014 to December 31, 2015, the contract amount was 12,623,600,000 won (including value-added tax) and labor cost was 2,95,032,840 won and the subcontract was entered into with the contents that the subcontract was to be subcontracted at the same time. The above subcontract was modified as follows (hereinafter referred to as “each modification contract”).