Credit Rating Impact of Leveraged Refinancing: Weighing Downgrade Risk Against Financing Cost

The first quarter of 2025 has seen a marked acceleration in leveraged refinancing activity among Hong Kong-listed issuers, driven by the persistent elevation of US dollar interest rates and a tightening of domestic credit conditions. According to HKEX data, the aggregate value of new bond issuances for refinancing purposes by Main Board companies in January and February 2025 reached HKD 87.3 billion, a 34% increase year-on-year. This surge is occurring against a specific regulatory backdrop: the SFC’s updated Code of Conduct for sponsors, effective 1 January 2025, which now explicitly requires lead managers to assess the credit rating impact of proposed debt structures in their due diligence reports (SFC Code of Conduct, para. 17.6A). For CFOs and corporate finance advisors, the central tension is no longer simply about accessing capital but about calibrating the precise leverage point where lower financing costs are offset by the risk of a multi-notch downgrade, which can trigger covenant breaches and a cascade of cross-default provisions.

The Mechanics of Leveraged Refinancing and Rating Agency Methodology

Defining Leveraged Refinancing in the Current Rate Environment

Leveraged refinancing, in the context of this analysis, refers to the replacement of existing debt with new borrowings at a higher principal amount, a shorter tenor, or a more restrictive covenant package, primarily to reduce near-term cash interest expense or to fund shareholder distributions. The Hong Kong market has seen a notable shift from plain-vanilla senior unsecured notes to structures incorporating senior secured debt, often at loan-to-value (LTV) ratios exceeding 60%. For example, in February 2025, a mid-cap property developer on the Main Board issued HKD 2.8 billion in 3.5-year senior secured notes at a coupon of 8.25%, using the proceeds to repay HKD 2.1 billion of existing unsecured bonds at a weighted average coupon of 6.75%. The net outcome was a reduction in annual cash interest of HKD 21.7 million, but the secured structure increased the issuer’s total secured debt to 45% of total assets, compared to 28% pre-refinancing.

Rating Agency Thresholds for Downgrade Triggers

Moody’s Investors Service, S&P Global Ratings, and Fitch Ratings each apply distinct quantitative thresholds for downgrade actions on Hong Kong-listed corporates, but a common framework centres on the ratio of adjusted debt to EBITDA. For issuers rated in the ‘B’ category, a breach of the 5.0x debt-to-EBITDA threshold typically triggers a negative outlook or a one-notch downgrade. In the current cycle, the median adjusted debt-to-EBITDA for Hong Kong-listed non-financial corporates rated by S&P stood at 4.3x as of December 2024, up from 3.7x in December 2022 (S&P Global Ratings, “Hong Kong Corporates: Credit Trends Q4 2024”, published January 2025). A leveraged refinancing that increases total debt by 15% or more without a commensurate EBITDA improvement often pushes this ratio above the trigger point. The SFC’s new due diligence requirement explicitly references this methodology, mandating that sponsors stress-test the issuer’s credit profile against a 100bps increase in refinancing costs over the projected life of the new debt (SFC Code of Conduct, para. 17.6A(b)).

The Interaction with Covenant Structures

Covenant-lite structures, which were prevalent in the 2020-2022 issuance boom, have become less common in 2025 refinancings. Data from the HKEX’s Bond Connect platform indicates that 62% of new corporate bonds issued in Q1 2025 included at least one maintenance covenant, typically a maximum leverage ratio or a minimum interest coverage ratio. The inclusion of a leverage covenant set at 5.5x debt-to-EBITDA, for instance, creates a direct link between the refinancing decision and the rating agency’s downgrade trigger. If the refinancing pushes the actual ratio to 5.0x, the issuer operates with only 0.5x of headroom before both the covenant and the rating trigger are breached. A downgrade to ‘B-’ from ‘B’ can increase the cost of future debt by 150-200 bps, based on historical spread data from the Hong Kong Dollar Bond Index, potentially negating any initial interest savings from the refinancing.

Quantifying the Trade-Off: Financing Cost Savings vs. Downgrade Probability

Calculating the Net Present Value of Rate Differentials

The decision to pursue a leveraged refinancing requires a net present value (NPV) calculation that incorporates both the explicit interest savings and the implicit cost of increased downgrade risk. For a hypothetical issuer with HKD 1.0 billion of existing 5-year debt at a coupon of 7.0%, a refinancing into HKD 1.15 billion of 3-year secured debt at a coupon of 6.0% yields a gross annual interest saving of HKD 10.0 million (from HKD 70.0 million to HKD 69.0 million on the higher principal). However, the NPV of this saving over three years, discounted at the issuer’s weighted average cost of capital of 9.0%, is only HKD 25.3 million. If the refinancing results in a one-notch downgrade, the post-downgrade cost of refinancing the remaining debt in year 3 rises by 175 bps, adding an estimated HKD 20.1 million in additional interest over the final year. The net benefit is thus reduced to HKD 5.2 million, a margin that can be easily eroded by transaction costs, legal fees, and the SFC’s enhanced due diligence requirements.

Empirical Evidence from Recent Downgrade Events

A review of 14 Hong Kong-listed issuers that completed leveraged refinancings between June 2023 and June 2024 reveals a clear pattern. Of these, 9 issuers (64.3%) experienced a rating downgrade or a negative outlook revision within 12 months of the transaction. The median increase in total debt was 18.7%, while the median increase in EBITDA over the same period was only 4.2%. The most severe case involved a retail conglomerate that increased its secured debt from 35% to 55% of total assets to fund a special dividend of HKD 450 million. Moody’s downgraded the issuer by two notches from ‘B1’ to ‘B3’ within nine months, citing “a material increase in secured debt and a weakening liquidity profile” (Moody’s, “Rating Action: [Issuer Name] Downgraded to B3”, October 2024). The issuer’s subsequent bond issuance in January 2025 carried a coupon of 11.5%, compared to the 7.75% on the pre-downgrade bonds, effectively eliminating any benefit from the initial refinancing.

The Role of the SFC’s New Due Diligence Requirement

The SFC’s updated Code of Conduct, which came into force on 1 January 2025, has introduced a formal requirement for sponsors to assess the credit rating impact of proposed debt structures. Paragraph 17.6A(c) specifies that the sponsor must “evaluate the likelihood of a rating downgrade within 24 months of the transaction, using the issuer’s own historical data and comparable peer analysis.” This provision directly targets the practice of structuring refinancings that temporarily reduce interest expense while ignoring the long-term rating consequences. For CFOs, this means that any leveraged refinancing proposal must now be accompanied by a formal rating impact analysis, which will be subject to SFC review. Failure to adequately address this requirement can result in the sponsor being held liable for a breach of the Code, with potential sanctions including fines or suspension of the sponsor’s licence (SFC, “Guidelines on the Conduct of Sponsors”, January 2025, para. 6.2).

Sectoral Variations in Downgrade Sensitivity

Property and Construction: The Most Exposed Sector

The property and construction sector, which accounts for approximately 35% of Hong Kong-listed corporate bond issuance, is the most sensitive to leveraged refinancing risk. The sector’s median debt-to-EBITDA ratio stood at 6.2x as of December 2024, well above the 5.0x downgrade trigger for ‘B’ category issuers. A leveraged refinancing in this sector often involves converting unsecured debt into secured debt backed by specific land parcels or completed properties. For example, a developer with a 40% secured debt ratio that refinances into a 60% secured structure reduces unsecured creditor recovery prospects, which rating agencies treat as a negative factor. Fitch Ratings explicitly states in its “Corporate Rating Criteria” (updated February 2025) that a 20 percentage point increase in secured debt as a share of total debt is a standalone negative rating factor, irrespective of the overall leverage level.

Infrastructure and Utilities: Greater Resilience

Infrastructure and utility issuers, which typically operate under regulated revenue models, show greater resilience to leveraged refinancing. The sector’s median debt-to-EBITDA of 4.1x provides more headroom, and the long-term, predictable cash flows reduce the probability of a downgrade even with a moderate increase in leverage. However, the HKMA’s “Supervisory Policy Manual on Credit Risk” (CA-S-2, revised December 2024) requires banks to apply a higher risk weight to loans to infrastructure companies with debt-to-EBITDA above 5.0x, which indirectly limits the appetite for leveraged refinancing among these issuers. The practical effect is that infrastructure companies rarely pursue refinancings that push leverage beyond 5.0x, as the cost of bank funding rises sharply above that threshold.

Technology and Healthcare: The Growth Premium

Technology and healthcare issuers, many of which are listed on the Main Board under Chapter 18C for pre-revenue biotech companies, present a unique case. These issuers often have negative EBITDA, making the debt-to-EBITDA metric inapplicable. Rating agencies instead focus on cash burn rates and the ratio of total debt to total assets. A leveraged refinancing for a pre-revenue biotech issuer that increases total debt from 30% to 50% of total assets can trigger a downgrade if the cash runway falls below 12 months. The SFC’s Code of Conduct now explicitly requires sponsors to assess the impact of refinancing on cash runway for such issuers (SFC Code of Conduct, para. 17.6A(d)). The median cash runway for HKEX-listed biotech issuers after a leveraged refinancing in 2024 was 14.3 months, compared to 21.8 months for those that did not refinance.

Structuring a Defensible Refinancing: Mitigating Downgrade Risk

Maintaining Headroom Through Covenant Calibration

The most effective strategy to mitigate downgrade risk is to calibrate the refinancing structure to maintain at least 1.0x of headroom above the rating agency’s downgrade trigger. For an issuer with a current debt-to-EBITDA of 4.0x and a rating agency trigger of 5.0x, the maximum additional debt that can be raised without triggering a downgrade is equivalent to 1.0x of EBITDA. If the issuer’s EBITDA is HKD 500 million, the maximum additional debt is HKD 500 million. A refinancing that raises HKD 450 million in new debt would leave 0.1x of headroom, which is insufficient to absorb even a minor EBITDA decline. A more conservative approach would target 1.5x of headroom, limiting new debt to HKD 250 million. This principle is embedded in the SFC’s requirement that sponsors “demonstrate that the proposed debt structure provides adequate headroom against both rating triggers and financial covenants” (SFC Code of Conduct, para. 17.6A(e)).

The Role of Equity Injection and Hybrid Instruments

Issuers can reduce downgrade risk by combining a leveraged refinancing with an equity injection or the issuance of hybrid instruments that are treated as equity by rating agencies. For example, a company that raises HKD 200 million in new equity alongside HKD 800 million in secured debt can reduce its debt-to-EBITDA ratio from 4.5x to 3.8x, assuming the equity is used to repay existing debt. The HKEX’s Listing Rules permit the issuance of perpetual subordinated bonds that qualify for 50% equity credit under Moody’s methodology, provided the bonds meet specific criteria including a minimum tenor of 5 years and a mandatory deferral of interest if dividends are not paid (HKEX Listing Rules, Chapter 19A, para. 19A.38). The use of such instruments has increased by 22% among Hong Kong-listed issuers in 2024, according to data from the HKEX’s Structured Products Department.

Timing and Market Conditions

The timing of a leveraged refinancing is critical to managing downgrade risk. Refinancing during a period of strong EBITDA growth, such as a cyclical upswing, allows the issuer to absorb higher debt without breaching rating triggers. Conversely, refinancing during a downturn, when EBITDA is declining, amplifies the risk. The SFC’s new due diligence requirement explicitly mandates that sponsors assess the issuer’s projected EBITDA under a base case and a downside case, with the downside case assuming a 15% decline in revenue (SFC Code of Conduct, para. 17.6A(f)). Issuers that refinance during a downturn should consider a shorter tenor of 2-3 years to align with a projected recovery in EBITDA, rather than a 5-year tenor that locks in high leverage during the recovery period.

Actionable Takeaways for CFOs and Advisors

• Quantify the downgrade probability explicitly: Before proceeding with any leveraged refinancing, calculate the probability of a one-notch or multi-notch downgrade within 24 months using the rating agency’s published methodology, and incorporate this into the NPV analysis of the transaction.
• Maintain a minimum of 1.5x headroom: Set the target debt-to-EBITDA ratio at least 1.5x below the rating agency’s downgrade trigger to absorb EBITDA volatility without triggering a negative rating action.
• Secure an equity or hybrid component: Structure the refinancing to include at least 20% of the total funding from equity or equity-like instruments, such as perpetual subordinated bonds that qualify for partial equity credit under Moody’s or S&P criteria.
• Align the tenor with the EBITDA cycle: Choose a refinancing tenor that matches the expected recovery in EBITDA, avoiding long-dated structures during a downturn that lock in high leverage for an extended period.
• Document the rating impact analysis for SFC review: Ensure that the sponsor’s due diligence report includes a formal assessment of the credit rating impact, referencing the specific paragraphs of the SFC Code of Conduct, to mitigate regulatory risk and potential sanctions.