A. On September 16, 2009, the Defendant (formerly known as “the instant construction work” (including KRW 1,527,900,000, KRW 204,600, KRW 00, KRW 204,000, KRW 204,000, KRW 200,000, KRW 204,60,000, and value added tax) ordered by Seojin Engineering Co., Ltd. (hereinafter “Sein Engineering”) by KT from Seojin Engineering Co., Ltd. (hereinafter “Sein Engineering”), and was awarded a contract on March 15, 2010.

B. On October 30, 2009, the Defendant entered into a subcontract (hereinafter “instant contract”) with the Korea Light Service Co., Ltd. (hereinafter “Korea Light Service”) by setting the pipeline construction cost of KRW 1,210,000,000 during the instant construction period from October 30, 2009 to December 15, 2009 (hereinafter “the instant contract”). The Korea Light Service Co., Ltd. (hereinafter “Sulra Telecom”) entered into a subcontract with the Corporation for the term of KRW 1,155,00,000 (including additional tax) and the period of construction from October 30, 2009 to October 10, 2009 to the period of construction; and on the same day, the Korea Light Services Co., Ltd. (hereinafter “Sulra Telecom”) entered into a contract with the Corporation to support the Plaintiff’s human resources support (including human resources support) with the Corporation. < Amended by Presidential Decree No. 215034, Mar. 14, 2009>

C. On August 16, 2010, the Plaintiff filed a lawsuit claiming for the rent of equipment (hereinafter “the lawsuit for the rent of equipment of this case”) with the Suwon District Court Branch Decision 2010No31372 against Korea’s light service, stating that “from November 2009 to April 2010, 49, 49,197,273 won was leased to the Corporation located in the vicinity of E, and the light service was not paid the price of KRW 49,19,273.” The Plaintiff filed a lawsuit claiming the rent of equipment from the court on June 29, 2011 to the Plaintiff at the rate of 20% per annum from September 1, 2010 to the date of full payment.”