1. The Plaintiff, Defendant B, and Defendant C, jointly and severally with Defendant B, KRW 209,783,00, and Defendant C, respectively.

1. On May 15, 2015, 2015, the contract amount (including value added tax) for the construction of new machinery and equipment works for D living accommodation facilities on January 15, 2015, 15, 15, 159,500,000 won for the construction of new machinery and equipment works for Ftel and urban residential housing construction works on April 3, 2015, KRW 45,300,000 for the construction of new machinery and equipment works for G multi-household new construction works on April 3, 2015, KRW 44,000 for fire fighting works, KRW 44,00,000 for the construction of machinery and equipment works for H multi-household new construction works, KRW 38,50,000 for the fire fighting works, KRW 38,500 for the construction of new machinery and equipment works, KRW 148,500,000 for the construction of new machinery and equipment works

A. The Plaintiff was awarded a subcontract for the construction of machinery and equipment of the new building, etc. by the Defendant Company B (Defendant C is a substantial operator; hereinafter “Defendant Company”) as indicated below, as indicated in the following table.

B. The Plaintiff has been performing construction work and receiving construction payment from the Defendant Company under each of the above contracts. The Defendants shall adjust the payment method of the unpaid remaining amount of KRW 185,083,00 (185,083,000) in consultation with each of the following mutual agreement with respect to the payment method of KRW 185,083,00,000 for the unpaid construction payment until April 19, 2016, including the additional tax: KRW 185,000,000,000 for the total sum of the construction cost for the four sites, other than the construction work of new neighborhood living facilities, and KRW 435,53,000,000 for the unpaid amount of KRW 435,53,000 for the remainder of the unpaid amount of KRW 185,00,000 ( KRW 185,083,00).

1. After completion of the new construction works of the I neighborhood living facilities, the payment shall be made within 50,000 million won per annum (50,000), from the date of receipt of the construction cost;

2. After completion of the construction work at the J or K New Construction Site, the payment of the construction cost shall be made in lump sum (80,000,000).

3. The remainder shall be paid in installments three installments after the settlement thereof in paragraphs 1 and 2.

The same letter has been prepared and issued.

C. The Defendants repaid KRW 5,00,000 to the Plaintiff on May 23, 2016.

Then, the Defendant Company was above the Plaintiff.

The construction work of the I neighborhood living facilities listed in the paragraph shall be below.