1. The Plaintiff:

A. As to Defendant C&D Co., Ltd. in terms of KRW 536,470,935 and KRW 101,00,000 among them, July 2009.

1. Basic facts

A. The parties concerned (1) are comprised of four apartment units with 309 Dong-dong 308 households, 268 households of apartment units, 12 households of officetels, and 29 households of commercial buildings, including Dong Government-si B apartment units (multi-family housing), officetels (business facilities), and commercial buildings.

(hereinafter referred to as the “instant apartment”) is an autonomous management body organized by occupants pursuant to the Act on the Ownership and Management of Aggregate Buildings (hereinafter referred to as the “Act on the Ownership and Management of Aggregate Buildings”) to efficiently manage and operate the apartment.

(2) Defendant N&D Co., Ltd. (hereinafter “Defendant O&D”) is the executor of the instant apartment, and the Defendant Handi Construction Co., Ltd. (hereinafter “Defendant Handi Construction”) is the contractor of the said apartment, and the Defendant Seoul Guarantee Insurance Co., Ltd. (hereinafter “Defendant Seoul Guarantee Insurance”) entered into a warranty contract for the said apartment as follows:

B. (1) On October 31, 2005, the Defendant Han Construction concluded a contract for the repair of defects (hereinafter “each guarantee contract of this case”) with respect to the apartment of this case between the Defendant Seoul Guarantee Insurance and the Defendant Seoul Guarantee Insurance with the guarantee creditor as the government market, and issued each of the warranty bonds as listed below.

[Attachment 1. Details of the contract for defect repair] 1. Guarantee of 2.3 Serial 1. 5. Serial 1. 8. 1. 1. 1. 1. 1. through 1. 1. 1. 1. 1. 205 1.23,470,369,000 collective housing from November 1, 2006 to November 30, 2006; 182,47. 1. 6. 7. 8. 1. 1. 1. 1. 1. 1. 205 ; 1. 1. 1. 1. 1. 1. 205 ; 1. 6. 3. 7. 1. 1. 8, 200 ; 1. 369, 200 ; 2. 237, 2005 ; 1. 3. 4. 7. 8. 1. 1. 8. 2. 1. 3