Issuer Summary: The Korea Development Bank

Report date: 2026-08-26
Issuer: The Korea Development Bank / KDB
Ticker: KDB
Relevant bond issuer: The Korea Development Bank
Primary credit focus: Korean policy finance, sovereign linkage, statutory loss support, distinction between issuer support and bond guarantees, wholesale funding and policy-driven asset risk

1. Business Snapshot and Recent Developments

The Korea Development Bank (KDB) is Korea's statutory national development-finance institution. It was established under The Korea Development Bank Act (KDB Act) and should be analysed neither as an ordinary commercial bank nor as the Republic of Korea itself. Its role links industrial development, financial-market stabilisation, corporate restructuring, infrastructure and strategic-industry policy to domestic and international capital markets. That role is the principal reason its support-inclusive credit profile is closely associated with the Korean sovereign, while its own credit and funding risks remain relevant to investors in its debt.

KDB's institutional relationship with the government is unusually strong. KDB's 2025 IR Presentation states that it is 100% government-owned. The KDB Act gives it a public-policy mandate and embeds government oversight in its business planning and governance. Article 32 provides that annual net losses are first offset by reserves and, to the extent reserves are insufficient, by the government. This is a material issuer-level support framework, but it is not an unconditional payment guarantee on every KDB security. Investors should continue to distinguish the likelihood of support for the institution from the contractual claim of a holder of a particular note.

The current financial-information boundary is important. KDB's 2025 IR Presentation provides separate/unconsolidated information through June 2025, and a January 2026 SEC Form 424B2 provides unaudited selected separate K-IFRS information through September 2025. On August 6, 2026, Nexia Samduk filed a consent as Exhibit F to an SEC Schedule B registration statement. The consent refers to its report dated March 31, 2026 on KDB's separate statements of financial position as of December 31, 2025 and 2024, and on the related separate statements of comprehensive income, changes in equity and cash flows for the years then ended. It therefore confirms that audited separate FY2025 statements existed and were included in the referenced prospectus. The underlying statements and notes were not obtained for this report. This report consequently does not state FY2025 financial figures, does not infer FY2026 interim results, and does not treat the consent alone as evidence of a consolidated audit or detailed audit-opinion content.

Three existing developments remain central. The KDB Act was amended in September 2025 and KDB's articles were amended in December 2025, raising the authorised-capital ceiling from KRW30tn to KRW45tn according to the January 2026 SEC offering document. The government has positioned KDB at the centre of the High-Tech Strategic Industry Fund and National Growth Fund policy themes, which reinforce policy relevance but can also increase capital consumption and concentration risk. Finally, KDB issued USD3.0bn of SEC-registered notes in January 2026, demonstrating market access while explicitly stating that principal and interest on those notes are not guaranteed by the government.

2. Industry Position and Franchise Strength

The KDB Act's purpose is to provide and manage funds for industrial development, social infrastructure, regional development, financial-market stabilisation, sustainable growth and related national-economic objectives. KDB's franchise is therefore difficult to replace during periods when policy priorities diverge from the risk appetite of private financial institutions. A private bank can reduce lending as a sector becomes stressed; KDB is more likely to be asked to provide financing, guarantees, investments or restructuring support precisely in those circumstances. This supports the state's incentive to maintain KDB's solvency, capital and market access.

At the same time, the policy mandate means that KDB's risk appetite cannot be assessed only through conventional private-bank profitability measures. Its mandate includes loans, investments, securities underwriting, guarantees, Industrial Finance Bonds, foreign-currency operations and government-entrusted work. The scope creates a durable franchise but exposes KDB to industrial cycles, large-corporate stress, project and investment valuation volatility, and the potential for balance-sheet expansion before capital support is visibly delivered.

Government linkage is reinforced by governance and supervision. The KDB Act provides for appointment of the Chair and senior officials through government channels, and requires business plans to be submitted to the Financial Services Commission. The institutional design suggests that a failure of KDB would impair policy implementation and market-stabilisation capacity. It does not eliminate the need to monitor the government's willingness and capacity to provide timely support, but it makes the policy and reputational cost of a loss of market access substantially higher than for an ordinary domestic financial issuer.

The current rating information in KDB's 2025 IR materials presents Moody's Aa2, S&P AA and Fitch AA-, each with a Stable outlook, aligned with the Korean sovereign ratings cited there. This report uses that only as issuer-presented historical rating information. Direct, current rating-agency reports and their detailed support assumptions were not obtained for this update; the rating section therefore does not infer an unchanged current agency view solely from the older presentation.

Franchise strength also has a funding dimension. KDB's ability to place large domestic and international issues is economically valuable to the Korean policy system because it transforms the government's policy objectives into investable funding instruments. That market role is not the same as a direct state guarantee. Rather, it creates a circular credit consideration: the state has an incentive to maintain KDB's access because the bank provides policy finance and stabilisation capacity, while KDB must preserve investor confidence through prudent capital management, transparent disclosure and credible funding execution. A loss of confidence would impede policy transmission even before it became a solvency event.

The institution's statutory mandate also limits the usefulness of simple peer comparisons. KDB can be asked to finance areas where risk-adjusted returns are lower, duration is longer, or stress is higher than the private-market norm. This can dilute near-term profitability or create lumpy credit costs, but it may also be the rationale for capital injections and government support. The key analytical question is not whether KDB behaves like a profit-maximising commercial lender in every year. It is whether the sovereign linkage, legal framework, capital policy and funding franchise continue to be sufficiently strong to absorb the financial consequences of its mandate. The available sources support that question but do not provide an updated answer after FY2025.

3. Segment Assessment

KDB's operating activities are best understood as policy-finance functions rather than as a retail-bank segment mix. Industrial development, infrastructure and regional development finance provide long-term support for areas in which commercial lenders may be unwilling to take duration, construction, technology or recovery risk. Corporate restructuring and financial-market stabilisation add countercyclical importance, but they also give KDB exposure to borrowers and assets that may already be under stress. The credit relevance is two-sided: the same mandate that increases government-support incentives can increase KDB's risk-weighted assets, guarantee exposure, credit costs and capital needs.

The High-Tech Strategic Industry Fund provides a current illustration. Korean government materials described a fund within KDB aimed at strategic areas including semiconductors, secondary batteries, bio, AI and robotics, and stated that government-guaranteed fund bonds would be part of the funding structure. KDB's IR material also identifies a high-tech fund and National Growth Fund themes. These programmes add to KDB's policy relevance, but the underlying sectors are capital intensive and can face rapid shifts in demand, technology and competitive position. Investors should therefore assess any increase in exposure with its related risk-sharing terms, guarantees and capital support rather than treating policy importance as a substitute for underwriting quality.

The latest detailed exposure data available in the reviewed sources are the 9M25 selected SEC data. Confirmed acceptances and guarantees were KRW11.540tn at September 30, 2025. Loans, guarantees and equity investments classified as substandard or below were KRW9.636tn, compared with KRW9.966tn at December 2024; the disclosed names included HMM, HJ Shipbuilding & Construction, Daehan Shipbuilding, K Shipbuilding, GM Korea and Taeyoung E&C. HMM represented KRW6.676tn of the September 2025 total. The figures do not establish a post-FY2025 portfolio trend, but they demonstrate why a low reported NPL ratio does not capture all of KDB's policy, guarantee and investment risk.

Asset quality should therefore be read across several channels. Loans are only one route through which KDB can take risk. Guarantees can create payment obligations upon a counterparty default; equity and fund investments can be exposed to market valuation and recovery timing; and restructuring finance can require further funding or loss recognition as conditions change. In a policy bank, a stabilisation programme can be credit positive for the wider economy while still increasing the bank's own risk exposure. The issuer-level support case may remain robust in such a scenario, but the scale and timing of needed capital support, the burden on earnings, and the market's view of KDB's debt can change materially.

The absence of the underlying FY2025 accounts prevents this report from attributing changes in the sector or single-name exposures to year-end results. It also prevents a full reconciliation of non-performing, substandard, guarantee and investment categories. The appropriate conclusion is not that risk has increased or decreased after September 2025, but that large named exposures and policy functions create a need for a broader monitoring set than NPLs. Future review should test whether provisions, collateral values, equity-investment valuations, guarantee loss experience and risk-weighted assets have changed alongside the disclosed policy programme expansion.

4. Financial Profile and Analysis

KDB's financial profile remains an important constraint and corroborating factor even where government support is expected. A policy bank can have strong support incentives and still experience higher funding costs, capital pressure or investor scrutiny if credit losses, guarantees, investments or foreign-currency refinancing deteriorate. The correct analytical approach is therefore to consider KDB's support framework alongside its separate financial information, rather than to use either in isolation.

The last fully quantified information verified for this report is not FY2025 audited data. KDB's IR Presentation shows separate/unconsolidated total assets rising from KRW251.852tn at end-2020 to KRW339.221tn at end-2024 and KRW340.869tn at end-June 2025. Loans were KRW209.901tn at end-2024 and KRW208.412tn at end-June 2025; total equity rose to KRW44.848tn at the latter date. The January 2026 SEC filing subsequently presented unaudited selected separate figures of total assets of KRW345.045tn, total loans of KRW218.519tn, total borrowings of KRW270.172tn and equity of KRW45.651tn at September 30, 2025. These data show a large policy-finance balance sheet and a capital base that had expanded through 9M25, but they cannot be substituted for the uncollected audited year-end accounts.

Table note: 2022 through 1H25 data are KDB IR Presentation 2025 separate/unconsolidated financial-statement summary figures. The 9M25 column is unaudited selected separate K-IFRS information from the January 2026 SEC Form 424B2. Capital-ratio information is not presented in this table because its disclosed scope is separately labelled below. No FY2025 audited financial figure has been verified from the underlying statements.

The 9M25 profit comparison requires caution. Net income of KRW2.250tn in 9M25 exceeded KRW1.801tn in 9M24, but the SEC disclosure attributes part of the change to gains on partial disposal of Hanwha Ocean shares, a reversal of impairment on HMM common shares and lower derivative losses. Credit-cost dynamics also changed: reversal of credit-loss provisions narrowed, while loan-loss allowance moved to a provision. It would be inappropriate to infer a structural improvement in earning capacity solely from the higher 9M25 headline result.

On reported asset quality, KDB's IR Presentation showed an NPL ratio of 0.6% and coverage of 269.5% at 1H25, versus 0.6% and 275.4% at 2024. Its displayed BIS capital and Tier 1 ratios were 14.8% and 13.9% at 1H25, compared with 13.9% and 12.9% at end-2024. These figures are presentation-based and the capital-ratio scope should be kept separate from the individual separate-financial-statement figures in the table above. They indicate no reported material weakness through 1H25, but they do not answer how FY2025 credit risk, provisions, guarantees, derivatives, liquidity or risk-weighted assets developed.

This structure clarifies the interaction of the disclosed metrics. The low reported 1H25 NPL ratio and high coverage are supportive indicators, and the disclosed capital ratios did not suggest a material weakness at that date. They do not, however, measure all the channels through which KDB can assume policy risk. Guarantees, investments, restructurings and valuation-sensitive exposures can consume capital or create liquidity pressure without first appearing as a conventional loan-NPL deterioration. The 9M25 substandard-or-below disclosure is therefore an important complement to the NPL and coverage data, while the lack of updated audited figures means that no conclusion is made about the direction of those risk channels after September 2025.

The August 2026 audit-consent exhibit improves confidence that audited separate FY2025 statements were prepared, but it does not itself improve the verified numerical record. The next substantive update should extract the underlying audited statements, state the entity scope clearly, reconcile them to the 9M25 selection and separately identify any changes in provisions, capital, guarantee obligations, valuation effects and debt maturities. Until then, the financial profile is supportive on the last disclosed data, but its current-year precision is constrained.

The multi-year data nevertheless show a financial institution whose balance sheet and funding needs are large relative to ordinary corporate issuers. Total assets increased by roughly KRW87tn between end-2020 and end-2024, while separate equity increased by about KRW12.5tn over the same period. Debentures increased from KRW138.319tn at end-2020 to KRW165.102tn at end-2024. This combination illustrates the central trade-off in KDB credit: policy-finance assets can expand with the Korean economy and public priorities, but the funding base must expand or roll continuously, and capital must keep pace with risk rather than merely with accounting assets.

The earnings data also argue against a simplistic positive or negative trend. Net interest income reached KRW1.744tn in 2022 before declining to KRW1.118tn in 2024, even as interest income and interest expense both became larger. Operating income and profit for the period varied substantially due to credit costs and non-interest items. A policy bank may generate valuation gains in one period and take losses or provisions in another without a commensurate shift in policy significance. For investors, the more relevant questions are whether earnings and capital absorb normal volatility, whether loss recognition is timely, and whether government capital policy remains responsive when the mandate requires countercyclical balance-sheet deployment.

No cash-flow conclusion is drawn here because the underlying FY2025 audited cash-flow statement was not collected. Likewise, this report does not calculate a loan-to-deposit ratio, NIM, ROA, return on equity, CET1 ratio or liquidity coverage measure from incomplete data. Those may be useful financial-institution metrics only where their entity scope, period and definition can be confirmed. The report retains disclosed NPL, coverage, BIS and Tier 1 information as presentation figures and identifies the lack of current audited detail as a limitation rather than filling the gaps by calculation or inference.

5. Structural Considerations for Bondholders

KDB's legal-support analysis has four distinct elements. First, ordinary senior unsecured notes are obligations of KDB. Second, Article 32 provides an annual net-loss deficiency framework: reserves are used first and the government covers the deficiency if reserves are insufficient. Third, the KDB Act permits specific government guarantees for foreign-currency liabilities under Article 19 and Industrial Finance Bonds under Article 26, in each case subject to prior National Assembly approval. Fourth, capital securities and other subordinated instruments must be analysed on their own contractual terms. Combining these concepts would overstate the protection of an ordinary KDB note.

The January 2026 SEC offering is a useful document-level example. KDB issued USD1.25bn 3.750% notes due 2029, USD1.25bn 4.000% notes due 2031 and USD0.5bn floating-rate notes due 2031. The prospectus supplement says that payment of interest and repayment of principal will not be guaranteed by the government. The offering supports the view that KDB had meaningful access to international capital markets, while showing why credit support and direct guarantee status must be distinguished in bond analysis.

Bondholders should also confirm governing law, tax gross-up, events of default, negative pledge or other covenants, acceleration, payment mechanics, liquidity, currency and use of proceeds in the relevant document. Article 32 may support a high support-inclusive assessment of KDB, but it does not remove security-specific legal and recovery differences.

This distinction is especially relevant for international investors who may encounter KDB securities marketed within an SSA-style universe. An issuer can have a very strong support profile without each instrument sharing the same legal security package as a sovereign bond. A government-guaranteed Industrial Finance Bond or a specifically guaranteed foreign-currency liability may warrant different legal treatment from an ordinary senior note; a capital security may have still different loss-absorption and payment features. The investor should begin with the issuer analysis in this report, then perform security analysis from the actual prospectus and pricing supplement. Neither a rating symbol nor an issuer-level statutory support provision substitutes for that second step.

The potential timing difference also matters. Article 32 is framed around annual net losses and reserves. That can be highly meaningful for maintaining the institution's capital and solvency, but it does not establish a contractual mechanism under which the sovereign pays each coupon or principal amount on its due date. In a stressed scenario, the operational and legal route to support can affect liquidity, recovery expectations and market pricing. This report does not attempt to quantify that difference, but it treats it as a central reason not to equate KDB's strongest supported issuer profile with a direct sovereign guarantee.

6. Capital Structure, Liquidity and Funding

KDB is heavily dependent on market funding, which is normal for a national development bank but makes funding conditions a direct credit consideration. At end-2024, debentures were KRW165.102tn; the 1H25 IR data showed KRW164.199tn. The SEC selected capitalisation table at September 30, 2025 showed Industrial Finance Bonds of KRW165.504tn, won-currency borrowings of KRW4.464tn and foreign-currency borrowings of KRW6.839tn, within total long-term debt of KRW176.807tn. This funding structure gives KDB access to a deep domestic market while retaining a sizeable foreign-currency investor base.

KDB's IR material reported foreign-currency funding of USD9.1bn in FY2024 and USD9.9bn as of December 2, 2025, near its USD10bn equivalent target. It reported USD6.3bn of public offerings, USD3.3bn of private placements and USD0.3bn of bank loans for the latter period. Outstanding bonds were reported as 73.4% KRW and 26.6% foreign currency, with foreign-currency bonds of USD32.4bn equivalent. The ability to issue in multiple currencies broadens funding channels; it also creates exposure to global rates, currency-swap markets, hedging costs, external investor demand and the Korean sovereign's standing in international markets.

Table note: Debenture data are from KDB IR Presentation 2025 separate/unconsolidated financial information at 1H25. Long-term debt and the maturity schedule are from the January 2026 SEC Form 424B2, using selected separate data and a schedule dated June 30, 2025. Foreign-currency funding and outstanding-bond mix are KDB IR Presentation figures as of December 2, 2025. The table is not a current liquidity statement; FY2025 audited liquidity, cash-flow, LCR/NSFR and buffer-composition details were not obtained.

The June 2025 repayment schedule presented in the SEC document shows KRW62.756tn due through the end of 2025, KRW32.149tn in 2026, KRW17.667tn in 2027, KRW10.445tn in 2028 and KRW16.201tn thereafter, on a won-equivalent basis after currency swaps where applicable. The amounts are dated and must not be used as current maturity data. Nonetheless, they demonstrate why the financial analysis cannot rely on capital ratios alone. A sustained interruption to domestic or foreign-currency market access, a material rise in hedging costs or a deterioration in sovereign sentiment could affect refinancing headroom before a long-term solvency issue appears.

The reported liquidity coverage ratio was above regulatory requirements in the IR Presentation's chart history, but the report does not restate an exact current LCR because the relevant full disclosure was not newly verified. Liquidity for KDB should be assessed in a wider framework than a single prudential ratio: the depth of KRW funding, the ability to issue USD and EUR benchmarks, access to private placements and bank loans, the maturity schedule after swaps, foreign-currency liquid assets, collateral and derivatives requirements, and potential government support mechanisms. The fact that KDB reached close to its stated 2025 foreign-currency funding target is supportive evidence of access at that time, not a guarantee of future execution under stressed global markets.

There is also a link between capital structure and policy-fund design. The government indicated that the High-Tech Strategic Industry Fund would use government-guaranteed fund bonds, but each programme's actual structure, recourse, use of proceeds and relationship to KDB's own debt must be examined when terms are available. It would be wrong to assume that a policy-fund guarantee applies to all KDB obligations, or that KDB's ordinary funding necessarily has recourse to a particular programme. The report therefore treats public-policy funding initiatives as a source of both strategic relevance and documentation work, rather than as a blanket enhancement of KDB's senior debt.

The stress-transmission path connects these funding facts to the financial profile. A deterioration in the Korean sovereign's perceived risk, global risk appetite or cross-currency funding conditions could raise KDB's cost of issuing or hedging foreign-currency debt. Higher refinancing costs would pressure net interest income unless lending yields or public-policy compensation adjusted, while a weaker market could make it harder to roll maturities at the desired tenor. If this coincided with credit losses, guarantee calls or valuation pressure in restructuring and strategic-industry exposures, the impact could move from earnings into capital and then into investor confidence. Government support and statutory relevance are important mitigants, but their practical effect must be assessed together with timely capital measures and the continuing openness of funding markets.

Conversely, the disclosed breadth of funding channels reduces reliance on one market at a single point in time. Domestic debentures, public foreign-currency issues, private placements and bank loans have all been part of the reported funding mix. That diversification is not evidence of unlimited liquidity, because each channel can be correlated with Korea-related or global stress, and the report lacks current data on unencumbered liquid assets, committed facilities, collateral calls and derivative liquidity needs. It supports a conclusion of demonstrated historical market access, not a conclusive current liquidity-buffer assessment.

7. Rating Agency View

KDB's IR Presentation 2025 identifies Moody's Aa2, S&P AA and Fitch AA- ratings with Stable outlooks and presents them as aligned with the Korean sovereign. It also reproduces selected support-oriented commentary. The longstanding policy role, 100% government ownership, statutory framework and capital-support history are consistent with a very high degree of government linkage. However, the current direct reports and detailed rating methodologies were not reviewed for this update. The report accordingly does not state current agency triggers, a stand-alone assessment or a current agency conclusion beyond the issuer-presented information.

The appropriate credit interpretation is that KDB's rating relationship to Korea is a critical benchmark, not a substitute for legal analysis or financial monitoring. A sovereign rating or outlook change, a change in government support policy, weaker capitalisation during policy expansion, or a loss of foreign-currency market access could affect KDB's supported assessment. Conversely, ordinary KDB senior securities should not be described as direct sovereign obligations merely because ratings are aligned.

The rating framework is likely to give significant weight to the government's ownership, policy role, support history and systemic importance, but this report does not rely on unreviewed agency methodology to quantify an uplift or predict rating action. Investors should seek the relevant current agency report if a rating-dependent mandate or risk limit is material. The issuer's own presentation of aligned ratings provides context; it is not a substitute for the current primary rating record. This source boundary is particularly important because sovereign ratings, agency outlooks and government-related-entity methodologies can change after an issuer presentation is published.

8. Credit Positioning

KDB should be positioned qualitatively within Korea's policy-finance and SSA-style issuer universe. The Republic of Korea is the most important support and market reference, but ordinary KDB debt is legally distinct from sovereign debt. The Export-Import Bank of Korea (KEXIM) is the closest policy-finance comparator given strong government linkage and foreign-currency issuance; KEXIM is more exposed to export-credit, overseas-project and supply-chain functions, whereas KDB has a broader domestic industrial, restructuring and market-stabilisation role. Industrial Bank of Korea has government linkage but a more conventional SME and deposit-bank profile, while Korea Housing Finance Corporation has a different mortgage-finance and MBS risk structure.

The relevant comparison for a particular security also depends on guarantee status, seniority, currency, maturity, liquidity and whether the instrument is a capital security. No live spreads, target-security terms or current peer market data were collected here. The report therefore makes no definitive relative-value conclusion. Investors comparing KDB with Korea, KEXIM, IBK, KHFC, Korean commercial banks or other SSA credits should verify the individual bond's legal structure and current market conditions.

Qualitatively, KDB's differentiated strength is the breadth of its domestic policy mandate and its role in countercyclical industrial and market support. Its differentiated risk is that this breadth can lead it into stressed corporate, strategic-industry and restructuring cases that would not be central to a narrower export-credit or mortgage-finance institution. This does not make KDB weaker than its peers in an issuer-support sense; it explains why a peer comparison must separate the likelihood of sovereign support from the underlying pathways by which credit risk, capital needs and funding costs may develop. Without contemporaneous spreads, the appropriate output is a monitoring framework rather than a ranking.

This table is a qualitative mapping from the confirmed issuer characteristics discussed in this report. Direct current peer disclosures were not reviewed for this update, so peer descriptions are contextual rather than refreshed current financial, rating or security profiles. It is not a current rating, market-spread, liquidity or relative-value ranking. All security conclusions remain conditional on the applicable offering documents and contemporaneous primary rating and market evidence.

9. Key Credit Strengths and Constraints

KDB's principal strength is its deep institutional integration with the Korean government. Ownership, statutory purpose, formal government oversight, Article 32's annual-loss mechanism, the authorised-capital framework and policy relevance create a strong incentive for continuing support. KDB's role in industrial development, restructuring and market stabilisation is difficult to replace, especially in a period of financial or industrial stress.

Its second strength is demonstrated funding access. A large domestic debenture franchise, diverse foreign-currency funding and the January 2026 SEC transaction provide evidence of investor access across funding channels. The older disclosed financial indicators also show substantial equity, a reported low NPL ratio and capital ratios above the displayed regulatory minima through 1H25.

The main constraint is the difference between issuer support and a legal guarantee. Ordinary KDB securities may benefit from a high expectation of support, but that does not turn them into direct Korean government debt. Policy financing can also create credit, concentration and capital risk where private markets retreat. Market-based funding dependence means KDB remains sensitive to global rates, sovereign perception, foreign-currency liquidity and hedging conditions. Finally, FY2025 audited statements are confirmed to exist but their numerical and note disclosures are not available in the reviewed evidence, limiting how current the financial assessment can be.

The financial constraints should be assessed as connected rather than independent risks. A concentration loss or guarantee call can reduce earnings and capital; weaker capital can increase reliance on state support and make a market-funded issuer more sensitive to investor confidence; and higher funding costs can in turn weaken recurring profitability. KDB's reported support framework and prior market access are meaningful mitigants, but the report cannot quantify the balance among those factors without the uncollected FY2025 statements and current liquidity and capital disclosures. This is why the financial evidence is described as supportive but qualified, rather than as a basis for a stronger standalone conclusion.

10. Downside Scenarios and Monitoring Triggers

The most material downside scenario would begin with a weakening of Korean sovereign credit or of the government's support capacity and willingness. Because the KDB support framework and international market acceptance are closely tied to the sovereign, a negative sovereign development could affect both issuer assessment and funding conditions. A legislative change affecting ownership, Article 32, supervision or the capital-support stance would also be material, even though no such change is confirmed in the reviewed materials.

A second scenario is that policy-finance expansion outpaces capital support and risk management. Large commitments to restructuring, strategic industries, guarantees or market stabilisation could raise risk-weighted assets and losses before capital injections are delivered. Signs would include a rising NPL ratio, lower coverage, increased guarantees or substandard exposures, higher provisions, declining capital ratios, valuation losses and more difficult funding execution.

The third scenario is a market-funding shock. KDB's size and reliance on debentures, Industrial Finance Bonds and foreign-currency issuance make refinancing capacity sensitive to domestic investor demand, dollar and euro liquidity, cross-currency swaps, global rates and Korea-related risk premia. Current funding performance is supportive, but it does not eliminate the risk of a sudden change in market conditions. For individual bonds, investors should separately monitor guarantees, seniority, maturity, liquidity and contractual terms.

A fourth scenario is a gap between disclosure availability and risk visibility. The audit-consent filing confirms that audited separate FY2025 statements existed, but the missing underlying statements mean that outside investors using only the reviewed source set cannot yet assess the year-end movement in provisions, fair values, derivative exposures, cash flow, guarantees or maturity profile. This is not evidence of financial weakness. It is a transparency limitation for this report and a practical reason to defer any conclusion that depends on a presumed FY2025 trend. Obtaining the prospectus or annual report is therefore both a financial-analysis task and a monitoring trigger.

The earliest indicators of a weakening case would likely include pressure on the Korean sovereign or external funding market, a decline in capital ratios, rising credit costs or guarantee losses, a higher concentration of stressed policy exposures, difficulty executing benchmark issues, or material changes in the government's capital and legal-support policy. The transmission path to bondholders would vary by security: ordinary senior creditors would be exposed to KDB's own credit and support pathway, specifically guaranteed creditors would require verification of the guarantee terms, and capital-security holders could be more exposed to subordination and loss-absorption features. The monitoring table should therefore be read as an issuer-level framework, not a replacement for security-specific due diligence.

11. Credit View and Monitoring Focus

KDB's supported credit strength is very high for a financial issuer because it is a statutory policy bank with 100% government ownership, a legally defined annual-loss support mechanism, government oversight and a difficult-to-substitute role in Korean industrial and market policy. The overall direction is broadly stable on the last verified information, rather than demonstrably improving, because the most recent quantified financial data remain unaudited 9M25 information. The assessment could change quickly if Korea's sovereign credit, support framework, capital policy or foreign-currency market access weakened, or if policy-finance expansion generated losses faster than capital and funding capacity could absorb them.

KDB's legal debt structure qualifies this high support-inclusive view. Article 32 supports the institution but is not an automatic payment-date guarantee for each bond. Articles 19 and 26 permit government guarantees in specified circumstances, subject to the stated approval process, while the January 2026 USD notes are explicitly not government-guaranteed. KDB has a very strong support-inclusive issuer profile closely linked to the Korean sovereign, but ordinary senior debt remains a claim on KDB unless the applicable security expressly provides a government guarantee. Any security-specific or relative conclusion requires the relevant offering documents and current primary rating or market evidence.

The financial record verified through September 2025 was consistent with substantial scale, positive profitability, sizeable equity and reported low NPL and adequate capital indicators through 1H25. Yet earnings included non-recurring investment, impairment and derivative effects, and KDB's risk profile reaches beyond loan NPLs to guarantees, investments and policy-driven restructuring exposure. The August 2026 auditor consent removes the earlier uncertainty about whether audited separate FY2025 accounts existed, but not the need to obtain their content. The next priority is to extract and reconcile the underlying audited statements before updating the current financial view.

For bond investors, the practical monitoring focus remains the Korean sovereign, government capital support, policy-finance exposure growth, asset quality, market funding and instrument-level terms. Relative value cannot be assessed from this report because current spreads and target-security terms were not reviewed.

12. Short Summary & Conclusion

KDB is Korea's statutory policy bank and has a very strong support-inclusive credit profile because of 100% government ownership, its public-policy role and the KDB Act's annual-loss support mechanism. Its latest audited separate FY2025 accounts are confirmed to exist, but the underlying statements were not obtained, so this update retains the last verified 9M25 financial figures rather than inferring year-end results. Ordinary KDB bonds are not direct Korean government obligations unless a specific guarantee is stated; investors should monitor support policy, asset quality, market funding and individual bond terms.

13. Sources

Primary company, legal and SEC sources

• The Korea Development Bank, IR Presentation 2025, December 2025. https://www.kdb.co.kr/wcmscontents/pdf/IR_Presentation_2025.pdf
• The Korea Development Bank, The KDB Act & Regulations, 2020 English version. https://www.kdb.co.kr/wcmscontents/pdf/The_KDB_Act_2020.pdf
• The Korea Development Bank, SEC Form 424B2 prospectus supplement, filed January 22, 2026. https://www.sec.gov/Archives/edgar/data/869318/000119312526018610/d20828d424b2.htm
• Nexia Samduk, Consent of Independent Auditors, SEC Exhibit F, August 6, 2026. https://www.sec.gov/Archives/edgar/data/869318/000119312526336926/d174779dex99f.htm

Government and sovereign sources

• Ministry of Economy and Finance, A 50 Trillion KRW High-Tech Strategic Industry Fund to be Established, March 5, 2025. https://english.moef.go.kr/pc/selectTbPressCenterDtl.do?boardCd=N0001&seq=6109
• Ministry of Finance and Economy, Korea sovereign rating releases for Fitch (January 30, 2026), Moody's (February 12, 2026) and S&P (April 29, 2026), as cited in the prior KDB report.

14. Unverified / Pending

• Obtain the underlying SEC prospectus or KDB FY2025 annual report before reporting audited FY2025 figures, notes, audit-opinion detail, asset quality, capital, guarantees, derivatives, cash flow or maturity data.
• Confirm whether FY2025 audited financial statements are available on a consolidated basis as well as the separate scope identified in Exhibit F.
• Obtain current direct Moody's, S&P and Fitch materials before stating current ratings, outlooks or detailed support triggers.
• Obtain current funding, maturity, liquidity, hedge-cost, capital-injection and policy-fund implementation data.
• Verify each bond's guarantee status, ranking, covenants, tax, governing law, events of default, liquidity and use of proceeds from the applicable terms.