The Difference Between FCFF and FCFE: How Net Borrowing Changes the Valuation Conclusion

The SFC’s 2025-2026 policy push to mandate climate-related disclosures under the enhanced ESG Code (effective 1 January 2025 for Main Board issuers) has forced a fundamental re-examination of how Hong Kong-listed companies communicate their capital structures. The new code requires, under paragraph 43 of the revised Appendix 27 to the Main Board Listing Rules, that issuers disclose the weighted average cost of capital (WACC) used in impairment testing, which in turn demands a precise decomposition of free cash flows. This is not an academic exercise. The difference between Free Cash Flow to the Firm (FCFF) and Free Cash Flow to Equity (FCFE) — specifically, how net borrowing is treated — can alter a valuation conclusion by 15-30% for a typical Hong Kong-listed property or infrastructure company with a debt-to-equity ratio above 1.5x. Practitioners who conflate the two, or who fail to model the net borrowing adjustment correctly, risk mispricing their own company’s equity or, worse, triggering a profit warning when the SFC’s enhanced disclosure requirements expose the inconsistency. This article dissects the mechanics, the regulatory context, and the practical implications for CFOs and valuation professionals.

The Core Distinction: Cash Flow to Capital Providers vs. Cash Flow to Shareholders

FCFF: The Claim of All Capital Providers

FCFF represents the cash flow available to all providers of capital — both debt holders and equity holders — after all operating expenses, taxes, and capital expenditures have been met. The standard computation, as codified in the CFA Institute’s 2024 curriculum (Reading 24: Free Cash Flow Valuation), starts with net operating profit after tax (NOPAT):

FCFF = NOPAT + Depreciation & Amortisation – Capital Expenditures – Change in Working Capital

The critical feature is that FCFF is calculated before any financing cash flows. Interest expense is added back because it is a return to debt capital, not an operating cost. The tax benefit of interest is captured by using NOPAT rather than net income. For a Hong Kong-listed company filing under HKFRS, this means the analyst must extract NOPAT from the income statement by taking operating profit (HKFRS 16: Leases adjustments included) and applying the statutory tax rate of 16.5% (or the effective rate, if disclosed).

The discount rate for FCFF is the WACC, which reflects the blended cost of debt and equity. The SFC’s 2025 guidance on impairment testing (Circular to Licensed Corporations, 15 March 2025) explicitly states that WACC must be calculated using the capital structure “as at the valuation date, not the target structure,” closing a loophole where issuers used a hypothetical optimal structure to lower the discount rate and avoid impairment charges.

FCFE: The Residual Claim of Equity Holders

FCFE measures the cash flow available to equity shareholders only, after all obligations to debt holders have been satisfied. The standard derivation from net income:

FCFE = Net Income + Depreciation & Amortisation – Capital Expenditures – Change in Working Capital + Net Borrowing

The inclusion of net borrowing is the pivotal difference. Net borrowing is defined as new debt issued minus debt repaid. For a company that is expanding its leverage, net borrowing is positive, which increases FCFE. For a company deleveraging, net borrowing is negative, reducing FCFE.

The discount rate for FCFE is the cost of equity (Ke), typically derived from the Capital Asset Pricing Model (CAPM). For a Hong Kong-listed company, the risk-free rate is conventionally the 10-year HKD Exchange Fund Note yield (as at 31 December 2024: 3.42% per HKMA data). The equity risk premium for the Hong Kong market, as published by Duff & Phelps (now Kroll) in their 2025 Valuation Handbook, is 6.8% for the Hong Kong market.

Why Net Borrowing Is the Tipping Point

The net borrowing term is not a mere adjustment — it is the mechanism through which financial leverage directly impacts equity cash flows. Consider a Hong Kong property developer with the following profile (based on a composite of 2024 annual reports for Hang Seng Property Index constituents):

• Net Income: HKD 500 million
• Depreciation & Amortisation: HKD 50 million
• Capital Expenditures: HKD 200 million
• Change in Working Capital: (HKD 100 million) (increase)
• Net Borrowing: HKD 150 million (new debt issued for land acquisition)

FCFE = 500 + 50 - 200 - (-100) + 150 = HKD 600 million

If the same company had net debt repayment of HKD 100 million instead:

FCFE = 500 + 50 - 200 - (-100) + (-100) = HKD 350 million

The difference of HKD 250 million — 71% of the lower FCFE — is entirely attributable to the net borrowing assumption. An analyst who mistakenly uses FCFF and then backs into equity value by subtracting debt will get a different, and often misleading, result if the capital structure is changing rapidly.

When FCFF and FCFE Converge — and When They Diverge

The Leverage Neutrality Theorem

Under the Modigliani-Miller Proposition I (with taxes), the value of the firm is independent of capital structure, but the allocation between debt and equity is not. In a frictionless world with no taxes, bankruptcy costs, or agency costs, FCFF discounted at WACC should yield the same total firm value as FCFE discounted at Ke, provided the WACC is correctly calculated using the actual leverage ratio.

In practice, this convergence breaks down for three reasons. First, the tax shield on debt (HK tax code section 16: interest deduction at 16.5% effective rate) means the WACC declines with leverage, creating a systematic difference. Second, bankruptcy costs are real — the Hong Kong Monetary Authority’s 2024 survey on corporate default rates (published December 2024) found that the probability of default for Hong Kong-listed companies with debt-to-EBITDA above 4.0x was 8.2% per annum, versus 1.1% for those below 2.0x. Third, agency costs of debt (the conflict between shareholders and bondholders) are material for companies with significant off-balance-sheet financing, such as those using structured finance under HKFRS 9.

The High-Leverage Trap: A Hong Kong Case Study

A concrete example from the Hong Kong market illustrates the divergence. Consider a hypothetical Main Board-listed infrastructure company, “Harbour Infrastructure Holdings Limited,” with the following 2024 financials (modelled on the average of HK-listed toll road operators):

• Revenue: HKD 1.2 billion
• EBITDA: HKD 800 million
• Net Income: HKD 200 million
• Total Debt: HKD 4.0 billion
• Market Capitalisation: HKD 2.5 billion
• Debt-to-Equity Ratio: 1.6x (book value)
• Effective Tax Rate: 15.0%

FCFF Calculation: NOPAT = (EBITDA – D&A) * (1 – t) = (800 – 300) * 0.85 = HKD 425 million FCFF = 425 + 300 – 250 (Capex) – 50 (ΔWC) = HKD 425 million

FCFE Calculation: Starting from Net Income: HKD 200 million FCFE = 200 + 300 – 250 – 50 + 100 (Net Borrowing) = HKD 300 million

If an analyst uses FCFF and a WACC of 8.0% (assuming 60% equity, 40% debt, cost of equity 10.5%, after-tax cost of debt 3.5%), the firm value is HKD 5.31 billion (HKD 425m / 0.08). Subtracting debt of HKD 4.0 billion yields equity value of HKD 1.31 billion — a 48% discount to the market capitalisation of HKD 2.5 billion.

Using FCFE with a cost of equity of 10.5%: Equity value = HKD 300m / 0.105 = HKD 2.86 billion — much closer to the market price.

The discrepancy arises because the WACC of 8.0% assumes the current leverage is sustainable, but the net borrowing of HKD 100 million suggests the company is actively increasing leverage. The FCFF approach implicitly assumes the company will maintain a constant debt-to-firm-value ratio, which is inconsistent with positive net borrowing. The FCFE approach, by contrast, explicitly captures the cash inflow from new debt.

Regulatory Implications: The SFC’s Enhanced Disclosure Requirements

The SFC’s 2025 guidance on impairment testing (paragraph 12 of the Circular) requires that “the assumptions used in the valuation model, including the free cash flow definition and the treatment of debt, must be consistent with the discount rate applied.” This means an issuer cannot use FCFF and then apply a cost of equity discount rate, nor can it use FCFE and a WACC. The SFC has flagged this as a common deficiency in past impairment reviews, with 23% of sampled Main Board issuers in 2023-2024 having mismatched cash flow and discount rate assumptions (SFC Enforcement Report, 2024).

For CFOs preparing the annual impairment test under HKAS 36, the choice between FCFF and FCFE is now a disclosure item. The SFC expects a clear narrative in the management discussion and analysis (MD&A) section of the annual report, explaining why one approach was chosen over the other, and how the net borrowing assumption was derived.

Practical Implementation: Building the Correct Model

Step 1: Determine the Valuation Purpose

The choice between FCFF and FCFE should be driven by the capital structure stability of the company. For a company with a stable, target leverage ratio — such as a utility with a regulated capital structure — FCFF with WACC is appropriate. For a company undergoing a leveraged buyout, a recapitalisation, or a period of rapid debt-funded expansion — common among Hong Kong-listed property developers and infrastructure funds — FCFE with cost of equity is more accurate.

The Hong Kong Companies Ordinance (Cap. 622) does not prescribe a specific valuation methodology for financial reporting, but the HKICPA’s Practice Note 740 (Valuation of Financial Instruments) recommends that “the valuation methodology should reflect the specific characteristics of the entity being valued, including its financing structure.”

Step 2: Model Net Borrowing Explicitly

Net borrowing must be forecasted separately from the operating cash flows. A common error is to assume net borrowing equals the change in total debt from the balance sheet, but this ignores debt repayments that occur within the period. The correct approach is to use the cash flow statement:

Net Borrowing = Proceeds from Issuance of Debt – Repayment of Debt

For a Hong Kong-listed company, this data is available in the “Financing Activities” section of the cash flow statement under HKAS 7. The analyst should also check for off-balance-sheet financing, such as lease liabilities under HKFRS 16, which are now included in the debt figure for valuation purposes.

Step 3: Reconcile Terminal Value Assumptions

The terminal value calculation is where the FCFF vs. FCFE choice has the most dramatic effect. Under the Gordon Growth Model:

Terminal Value (FCFF) = FCFF (Year n) * (1 + g) / (WACC – g)

Terminal Value (FCFE) = FCFE (Year n) * (1 + g) / (Ke – g)

For a company with a perpetual growth rate of 2.5% (consistent with Hong Kong’s long-term GDP growth forecast from the HKSAR Government’s 2025-2026 Budget), and a WACC of 8.0% versus a Ke of 10.5%, the terminal value multiplier is:

• FCFF: 1 / (0.08 – 0.025) = 18.2x
• FCFE: 1 / (0.105 – 0.025) = 12.5x

The FCFF approach gives a 46% higher terminal value multiple. If the terminal value constitutes 70% of the total firm value (typical for a mature infrastructure company), this difference translates into a 32% swing in the final equity valuation. The SFC’s 2025 guidance (paragraph 18) requires that the terminal growth rate be “supported by external evidence, such as long-term economic forecasts or industry reports,” and that the discount rate be “consistent with the risk profile of the cash flows in the terminal period.”

Step 4: Sensitivity Analysis on Net Borrowing

Given the sensitivity of FCFE to net borrowing, a rigorous sensitivity analysis is essential. The HKEX’s 2024 consultation paper on Listing Rule amendments for REITs (which are heavy users of debt) proposed mandatory disclosure of the impact of a 100 bps change in interest rates on net borrowing assumptions. While not yet enacted, this signals the regulator’s focus on this variable.

A practical approach for a Hong Kong-listed company is to run three scenarios:

1. Base Case: Net borrowing equals the average of the last three years (e.g., HKD 100 million per year)
2. Leverage Increase: Net borrowing is HKD 200 million (assuming the company adds one more debt facility)
3. Deleveraging: Net borrowing is zero (assuming the company prioritises debt repayment)

The resulting equity values should be disclosed in the valuation report, with a clear explanation of which scenario management considers most likely.

Common Pitfalls in Hong Kong Practice

Pitfall 1: Using FCFF for a Highly Leveraged Company

A Hong Kong property developer with a debt-to-equity ratio above 2.0x and volatile net borrowing (due to land acquisition cycles) should not use FCFF. The WACC will be unstable, and the assumption of constant leverage is violated. The SFC’s 2024 review of impairment tests for property companies found that 34% of issuers used FCFF despite having negative equity or a debt-to-equity ratio above 3.0x (SFC Enforcement Report, 2024, Table 3).

Pitfall 2: Ignoring the Tax Shield in Net Borrowing

When using FCFE, the interest tax shield is already captured in net income (because interest is deducted before tax). The analyst must not double-count by also adding back the tax shield in the discount rate. The cost of equity is an after-tax discount rate, so no further adjustment is needed. This is a common error in valuation models built by junior analysts in Hong Kong IBD teams, where the template incorrectly includes a tax-adjusted cost of debt in the FCFE discount rate.

Pitfall 3: Confusing Net Borrowing with Change in Net Debt

Change in net debt (total debt minus cash) is not the same as net borrowing. A company may issue HKD 500 million in new debt but also repay HKD 300 million in old debt, resulting in net borrowing of HKD 200 million. However, if it also used HKD 100 million of its cash balance to repay debt, the change in net debt would be HKD 100 million (HKD 200 million net borrowing minus HKD 100 million cash reduction). Using the change in net debt as a proxy for net borrowing will misstate FCFE. The correct figure is always from the cash flow statement’s financing activities.

Actionable Takeaways

1. Match cash flow definition to discount rate: Use FCFF with WACC only when the company has a stable, target leverage ratio; use FCFE with cost of equity when net borrowing is material and volatile.
2. Model net borrowing explicitly from the cash flow statement: Never use the balance sheet change in net debt as a proxy; always use proceeds from debt issuance minus repayment from the financing activities section under HKAS 7.
3. Disclose the net borrowing assumption in the MD&A: The SFC’s 2025 impairment testing guidance requires a clear narrative explaining how net borrowing was forecasted and why the chosen cash flow definition is appropriate.
4. Run sensitivity analysis on net borrowing for high-leverage companies: For any company with debt-to-EBITDA above 3.0x, test at least three net borrowing scenarios and disclose the resulting equity value range.
5. Verify terminal value consistency: Ensure the terminal growth rate and discount rate are both applied to the correct cash flow definition — FCFF with WACC, or FCFE with Ke — and that the terminal value multiple does not exceed 20x for a Hong Kong-listed company with a 2.5% growth assumption.