2.(a)

Defendant A, Inc.

A. Defendant A, B, and C are corporations engaged in the business of credit cards, pre-paid cards, debit cards, issuance, sale, and management, and they are E Co., Ltd. (hereinafter “E”).

(1) The Credit Information Use and Protection Act (hereinafter referred to as the “Credit Information Act”) shall apply to a company incorporated jointly by a financial institution.

(2) The Plaintiffs listed in the separate sheet No. 1 of the Plaintiffs as indicated in the separate sheet No. 1 are all the Plaintiffs of this case. Of the entire Plaintiffs of this case, the Plaintiffs related to Defendant A were disclosed on April 2, 2010, and December 2013 among the Plaintiffs related to Defendant B, the separate sheet No. 3-1, and the separate sheet No. 3-2 in the case of outflow on December 2013, and the separate sheet No. 3-2 in the case of outflow on December 2013.

(hereinafter) The Plaintiffs indicated in the separate sheet 2 are the Plaintiffs indicated in the separate sheet 1 Plaintiffs and the separate sheet 3-1 Plaintiffs, “The Plaintiffs indicated in the separate sheet 2-2 Plaintiffs, and the separate sheet 3-2 Plaintiffs indicated in the separate sheet 2-2 Plaintiffs, “the third Plaintiffs,” and the separate sheet 2-1 Plaintiffs and the separate sheet 2-2 Plaintiffs together with Defendant A, B, and C were used or used by credit cards, etc. after concluding a contract for use and financial transactions with Defendant A, B, and C.

B. The concept of the card accident analysis system and the introduction card accident analysis system (hereinafter “FDS”) are introduced by all domestic card companies as a system to detect abnormal transactions or fraudulent use due to the theft, loss, forgery, etc. of credit cards. According to FDS, according to FDS, a large amount of card use information and relevant customer information are used based on past accident transactions.