Defendant:

A. It is as shown in the Plaintiffs’ Schedule 1 as shown in the Appendix 3 List.

Schedule 5.2.

1. Basic facts

A. The parties concerned 1) The defendant is a corporation established with the aim of facilitating the supply of water for living and improving the quality of water by comprehensively developing and managing water resources. 2) Of the plaintiffs, the remaining plaintiffs and the network B except the plaintiff A (the deceased B's heir as the children of the network B) are those who are employed by the defendant or retired from office.

(B) The heir of the network B is the plaintiff A and the deceased's spouse C, and the plaintiff C is an employee employed by the defendant). Among the plaintiffs, the plaintiffs, as listed in the attached Table 3, are the workers retired after joining the fixed contribution retirement pension plan of the defendant, and the remaining plaintiffs and the network B, except the plaintiff A and C, among the plaintiffs listed in the attached Table 4, are the workers who filed an interim payment of retirement pay without joining the defendant's final contribution retirement pension plan, and the plaintiffs, including the plaintiff C, are the workers who were employed in the defendant's final contribution retirement pension plan.

(b) Relevant regulations (3) Management evaluation of retirement benefits shall be excluded from the average wages that are the basis for retirement benefits;

1) Of the guidelines for the compilation of budget of public corporations and quasi-governmental institutions in 2019 prepared by the Ministry of Strategy and Finance, the terms used in this case are as follows: 1. The term “annual salary” means the total amount of wages determined on a yearly basis and paid to the relevant employee, which is the sum of basic annual salaries, performance rates, and additional benefits. 2. The term “basic annual salary” means the basic annual salary differentiated depending on the degree of capacity, duties, etc. as a result of the evaluation and class as to the capacity, duties, etc., and is classified into a standard wage, additional wage, job classification, and treatment wage as follows (hereinafter each item

3. “Performance-based public corporations and quasi-governmental institutions.”