1. The defendant shall pay to each of the plaintiffs 145,00,000 won and 15% per annum from September 26, 2017 to the day of full payment.

1. Basic facts

A. The Plaintiff A is a person who engages in construction business under the trade name of “D,” while the Plaintiff B (hereinafter “Plaintiff B”) is a corporation whose purpose is soil construction business, etc.

The E Co., Ltd. (the F Co., Ltd. before and after the change; hereinafter referred to as “E”) is a corporation aimed at real estate development projects, etc., and the defendant is referred to the E representative director G.

The term payment of KRW 950,000,000 of the existing contract for the instant construction project shall be KRW 50,000,000,000, and KRW 6660,000,000,000 shall be the substitute and shall be agreed as follows:

-the terms of the agreement

3. The settlement of accounts calculated in the amount of KRW 606,00,000,00 for the term work cost of KRW 95,000,000 for the term work cost of KRW 606,000 for the term work cost of KRW 50,000 for the term work cost of KRW 50,000 for the term work cost of KRW 50,000 for the term work cost of KRW 50,000 for the term work cost of KRW 106,487,00 for the term work cost of KRW 359,000 for the term of KRW 359,000 for the remainder of KRW 144,513,00 for the term of September 9, 2016 for the term

B. The Plaintiffs received from E a contract for civil engineering works necessary for the business of developing and selling a electric power resource housing complex (hereinafter “instant construction works”), and entered into an agreement with E and Defendant C on June 3, 2016 with respect to the instant construction works (hereinafter “instant agreement”).

The above amounts of KRW 144,513,00 in each of the instant notes are agreed to pay the construction cost of the instant case by September 9, 2016, and their seals are affixed thereto.

Provided, That the plaintiff B shall complete all construction works by June 30, 2016.

Of KRW 950,000,000, 290,000,000, excluding KRW 660,000,000, which has been settled from among the 950,000,000 shall be settled by December 31, 2016 after completion of the work.

C. On June 3, 2016, the Defendant, as a joint and several surety, prepared and sent to the Plaintiffs a letter of payment with the following content (hereinafter “each of the instant notes”).

The Plaintiffs thereafter do the instant construction work.