The Korea Development Bank (KDB)

KDB is a policy-finance issuer with much stronger supported credit strength than an ordinary private financial institution, based on its institutional linkage with the Korean government, 100% government ownership, the annual net-loss compensation framework under KDB Act Article 32, government supervision, capital injections and international ratings aligned with the Korean sovereign. The base case for supported credit depends heavily on government support, and the rating agency assessments cited in KDB’s IR materials also indicate this sovereign linkage. The direction of credit strength is driven more by Korea’s sovereign credit quality, the government’s support stance, capital policy and the pace of policy-finance mandate expansion than by KDB’s short-term standalone earnings. The view would change rapidly if Korea’s sovereign outlook deteriorated, confidence in Article 32, government ownership or capital injections weakened, foreign-currency market access fell sharply, or capital and asset quality failed to keep pace with policy-finance expansion.

As an issuer, KDB can be assessed with a strong assumption of government support, but ordinary bond investment requires a clear distinction as to whether a legal guarantee exists. The SEC-registered notes issued in January 2026 show that KDB can execute a large USD3.0bn foreign-currency issuance, while also explicitly stating that payment of principal and interest is not government-guaranteed. Therefore, KDB senior unsecured debt can be assessed, on a supported basis, as a credit close to the Korean sovereign, but legally it is an obligation of KDB itself and should not be equated with direct Republic of Korea debt.

On confirmed data, KDB’s standalone financials reinforce this supported credit strength. The unaudited selected separate K-IFRS financial information in the SEC filing showed total assets of KRW345.045tn, total loans of KRW218.519tn, equity of KRW45.651tn and 9M25 net income of KRW2.250tn at end-September 2025. KDB’s IR materials show a BIS capital ratio of 14.8%, Tier 1 ratio of 13.9% and NPL ratio of 0.6% at end-June 2025. However, 9M25 profit growth included investment disposal gains, impairment reversals and lower derivative losses, while credit costs shifted from large reversals in the prior-year period toward provisioning. Net income alone should therefore not be read as an improvement in underlying earnings capacity.