The Plaintiff entered into a guarantee insurance trading agreement with the Plaintiff Company B (hereinafter “B”), with the following contents (hereinafter “instant ceiling trading agreement”), and the Defendant jointly and severally guaranteed the obligation under the guarantee agreement with the Plaintiff.

(A) The above joint and several guarantee agreement between the Plaintiff and the Defendant (hereinafter referred to as the “instant joint and several guarantee agreement”). The Plaintiff concluded two guarantee insurance contracts (hereinafter referred to as “one contract” and “two contracts” in the following order, based on the instant limit transaction agreement, based on the insurance period from April 28, 2008 to April 27, 2009, the insurance period of the instant guarantee insurance contract from April 27, 2006 to April 26, 2019 from April 27, 2006, based on the following order:

B submitted not only a guarantee under one contract but also a guarantee under the guarantee limit of KRW 500,000,000 issued by the Busan Bank Co., Ltd. (hereinafter “Resan Bank”).

(hereinafter the guarantee contract entered into between B and Busan Bank (hereinafter "the separate guarantee contract"). One contract securities number C is 40,000,000 won to the insurance coverage period from May 6, 2008 to May 5, 2009 to 200,000,000 won to the insurance coverage amount of 10,000,000 won from May 5, 2009.

(2) On March 30, 209, the insured period from October 27, 2008 to March 30, 2009, the payment guarantee of gas user fees, etc. arising from the urban gas supply of the guaranteed amount of KRW 39,604,843, the insurance period of which was KRW 39,60,843, and the Plaintiff paid KRW 123,792,664, the insurance amount of KRW 15,47,084, respectively, to the Plaintiff on May 14, 2009 under a single contract (the insured event occurred due to this court 2009, 2009, 123,792,664, and May 22, 2009.