A. On November 29, 201, 201, the Gyeongnam Regional Procurement Service concluded a construction contract with the Plaintiff for construction work of “LNG. Diver and low temperature machinery and technology test-certification plant (hereinafter “instant construction work”)” (hereinafter “instant construction work”); KRW 9,530,710,000 as to the contract amount; KRW 455 days as of the commencement date of construction ( December 15, 201) and the total completion date as of March 13, 2013.

(1) On November 28, 2013, the first ground for change of the contract amount as of the date of completion (the date of completion) of the separate contract (the “instant contract”). On December 31, 2013, the first changed contract (the “1st changed contract”) No. 9,530,710,000 on November 29, 201, and December 31, 2013, the second changed contract (the “2nd changed contract”) No. 9,642,692,000.” on October 04, 2013 (the “3rd changed contract No. 40. 40. 40. 7. 20. 2014. 7. 204. 204. 204. 2014. 7. 2014. 204. 204. 2014. 204. 2014.

B. Since then, the Plaintiff and the Defendant concluded a modified contract on nine occasions as follows, and the extension of the construction period was the 1,3,5,6,7,7,8,9 changed contract.

The first extended period from the date of the conclusion of a separate contract to the date of the extension (the first changed contract) on December 28, 201 (the first extended period from December 14, 2013 to December 293, 2013, and the second extended period from December 31, 2013 (the third changed contract) to December 03, 2014 from 01 to 59 March 28, 2014, the third extended from 01 to 04 April 201, 2014 (the fifth changed contract) on April 10, 2014 to 04. 08 (the fifth changed contract from October 14, 2014 to October 14, 2014) shall be extended from October 3, 2014 to April 14, 2014 (the second changed contract from October 6, 2014 to July 13, 2014).