1. The Defendant (Counterclaim Plaintiff) paid KRW 5,915,700 to the Plaintiff (Counterclaim Defendant) and its related amount from November 20, 2013 to July 21, 2017.

(a) .. .. A written settlement of basic facts - B Co., Ltd. (Defendants) - Contractor D (Plaintiffs);

1. Construction name: New production and installation of preventive facilities from No. 3 to 9 in a written estimate drawings * The boiler for heat exchange, which is installed on No. 3 in drawings, shall be installed in the middle altitude;

2. Construction site: Within the site designated by the contractor.

3. Construction period: February 21, 2012 - April 30, 2012 (the period of production shall be 40 days, the installation period shall be 20 days, and the construction period shall be determined from the date of advance payment) * The amount of primary repair works shall be 40 million won.

* Design drawings (detailed drawings) shall be submitted to "A" within seven days after the contract is concluded.

4. Total construction cost: 265 million won (excluding value-added tax);

5. Payment terms and conditions for down payment - 60 million won: the first intermediate payment - 60 million won (on-site machinery and materials storage time) - the second intermediate payment: 75 million won (on-site machinery and materials storage time): - The completion price: 70 million won ( on-site completion time).

7.A “B” shall be based on design drawings and specifications, as presented by the incineration.

8. “B” shall pay to A the penalty for delay equivalent to 1/1000 of the cost of construction per day of delay (if the payment period is not made within this contract period, the number of days shall be deducted if there is a natural disaster or any other emergency, or if it is impossible to perform objective work). 10. “B” shall undergo performance tests and multi-house new inspections on the whole facilities by means of authorization and permission and incineration. 11. “B” shall submit the detailed drawings (specifications) for the whole facilities within a week after the contract is made. “B”; “B” shall submit 5% of the cost of construction after the completion of the construction work to B as the insured. A.

On February 21, 2012, the Plaintiff and the Defendant entered into a contract on the following terms: (a) manufacturing and installing preventive facilities by incineration at the Defendant’s factory located in Yongsan-si C; (b)

(hereinafter “instant contract”). (b)

The defendant, on February 2012, shall be the plaintiff and February 2012.