Filing of Amended Securities Report

Korea Investment Securities Corporation - Amended Securities Report

Today, Korea Investment Securities Corporation has filed an amended securities report with the Financial Services Agency, based on legal requirements and the results of internal audits. This report is being submitted to provide accurate financial information following the identification of accounting errors or disclosure omissions in the previously submitted securities report.

The primary corrections include the timing error in recognizing certain unrealized gains and losses, insufficient disclosure of transactions with affiliated companies, and tax-related adjustments. These amendments have been made in accordance with accounting standards and the Financial Instruments and Exchange Act, aiming to ensure fair, timely, and transparent information disclosure to investors.

The company will continue to strengthen corporate governance and review its internal control systems to prevent recurrence. Furthermore, it will enhance collaboration with its auditing firm to continuously improve the quality of its reporting.

Inquiries regarding this matter should be directed to the company's Public Relations Department.