A. On December 26, 2001, the Minister of Construction and Transportation designated and publicly announced the project implementer as a planned area for housing site development in Sungnam-si under the Housing Site Development Promotion Act, the Gyeonggi-do, the Korea Land Corporation, the Korea National Housing Corporation (the Korea Land Corporation and the Korea National Housing Corporation are merged on October 1, 2009 and became the Korea Land and Housing Corporation, and the Korea Land and Housing Corporation were merged on October 1, 2009; hereinafter collectively referred to as the “Defendant Housing Corporation”), and the Defendant Sungnam-si, respectively.

After that, the Defendants received approval of a development plan for the housing site development project on December 30, 2003, approval of the implementation plan for the housing site development project on December 30, 2004, and approval of the implementation plan for the housing site development project on December 30, 2004, from May 2005 to December 2009, respectively, on 13 occasions during the period from May 200

(hereinafter referred to as “instant housing site development project”). (b)

The Defendants decided to specially supply apartment houses constructed by the Korea Housing Corporation (hereinafter “instant apartment houses”) within a project district to be developed by implementing the instant housing site development project as part of the relocation measures against those who lose their base of livelihood due to the expropriation of their owned housing, land, etc. due to the instant housing site development project.

C. On September 8, 2003, the Defendants and Gyeonggi-do entered into a basic agreement on the joint implementation of the Sungnam District, and implemented housing site development projects by dividing the project implementation district into the project implementation district. However, each of the housing units of Plaintiffs A, C, E, and F agreed to be in charge of the duties, such as compensation, construction, sale, and completion for each of the relevant project implementation district, and the housing units of Plaintiffs A, C, E, and D were located within the implementation district in charge of the Defendant Housing Corporation, and the housing units of Plaintiffs B, and D were located within the project implementation district in

Accordingly, the plaintiff A is the Sungnam City between the defendant Housing Corporation and the defendant Housing Corporation.