NAB higher costs credit impairments are affecting the bank’s profitability for the 2025 financial year. National Australia Bank has reported rising operating expenses and higher credit impairment charges, which have contributed to a more cautious outlook for the remainder of the year.
Financial Overview
In the third quarter of FY25, NAB reported cash earnings of A$1.77 billion, a slight increase from A$1.75 billion in the same period the previous year. However, this performance fell short of the bank’s first-half average. The modest growth was primarily driven by improved net interest margins and increased lending volumes.
Net Interest Margin and Lending Growth
The bank’s net interest margin (NIM) rose by 8 basis points, reflecting favorable lending conditions and lower funding costs. Business lending grew by 4%, while Australian home lending increased by 2% compared to the quarterly average of the first half. These gains were offset by higher credit impairment charges and escalating operating expenses.
Rising Operating Costs
NAB has projected a 4.5% increase in operating expenses for FY25, amounting to an additional A$130 million. This surge is largely due to the ongoing payroll remediation program, which has uncovered further discrepancies in employee compensation. The bank is actively working to address these issues and ensure compliance with employment agreements.
Payroll Remediation Efforts
The payroll review, initiated in 2019, identified underpayment issues affecting staff. Despite previous remediation efforts costing approximately A$250 million between FY20 and FY22, new discrepancies have emerged following the transition to the 2024 Enterprise Agreement. NAB is collaborating with the Finance Sector Union and the Fair Work Ombudsman to resolve these matters and prevent future occurrences.
Credit Impairments and Asset Quality
The bank recorded a credit impairment charge of A$254 million in the third quarter, a significant increase from A$118 million in the same period the previous year. This rise is primarily attributed to business lending exposures in Australia and New Zealand, as well as unsecured retail portfolios. While the overall asset quality remains stable, the increase in impairments signals potential stress in certain lending segments.

Default and Impaired Assets
NAB reported a slight increase in the ratio of default but not impaired assets to gross loans, rising by 2 basis points. This indicates a marginal uptick in credit risk, particularly within the business and private banking segments. The bank is closely monitoring these trends and implementing measures to mitigate potential defaults.
Strategic Outlook
Despite the challenges posed by rising costs and credit impairments, NAB remains focused on its long-term strategy of sustainable growth and operational efficiency. The bank is committed to addressing legacy issues, enhancing risk management frameworks, and leveraging technological advancements to improve service delivery and cost-effectiveness.
Capital Position and Regulatory Compliance
NAB maintains a strong capital position, with a Common Equity Tier 1 (CET1) capital ratio exceeding regulatory requirements. The bank’s compliance with regulatory standards, including the cancellation of its Anti-Money Laundering compliance undertaking by AUSTRAC, underscores its commitment to maintaining robust governance practices.
Conclusion
NAB’s projected increase in operating expenses and higher credit impairment charges reflect the ongoing challenges faced by the bank in the current economic environment. While these factors have impacted short-term profitability, NAB’s strategic initiatives and strong capital position provide a foundation for navigating these challenges and achieving long-term success. The bank’s proactive approach to addressing operational issues and managing credit risk will be crucial in sustaining investor confidence and ensuring continued growth.
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