Fitch Ratings has affirmed Bank of China (Australia) Limited's (BOCAL) Long-Term Issuer Default Rating (IDR) at 'A-'.

The Outlook on the Long-Term IDR is Negative, mirroring the Outlook on Bank of China Limited's (BOC, A/Negative/bbb) Long-Term IDR. Fitch has also affirmed BOCAL's Short-Term IDR at 'F1' and Shareholder Support Rating (SSR) at 'a-'.

Key Rating Drivers

Shareholder Support Drives Ratings: BOCAL's ratings reflect a 'Very High' likelihood of support from its parent, BOC. BOC's Long-Term IDR is used as the anchor rating to reflect Fitch's view that support will most likely flow from the Chinese government (A+/Negative) through the parent and to BOCAL, if required.

Strategically Important to Parent: Fitch believes BOCAL has strong synergies with and is strategically important to the parent, but its small size means it is not an integral part of the group. Total assets accounted for about 0.1% of the parent's as of 31 December 2023. We have reflected this by notching the SSR and Long-Term IDR of BOCAL one level below the parent's rating.

VR Not Assigned: We have not assigned a Viability Rating (VR) to BOCAL, as it maintains a high level of integration with its parent through management, strategy, treasury and risk functions. BOCAL also relies heavily on the parent's brand name to attract business. These factors combined mean that a standalone credit assessment for the subsidiary is not meaningful.

Rating Sensitivities

Factors that Could, Individually or Collectively, Lead to Negative Rating Action/Downgrade

BOCAL's Long-Term IDR and SSR are sensitive to changes in BOC's Long-Term IDR. Any downgrade of the parent's Long-Term IDR is most likely to be reflected in BOCAL's Long-Term IDR. BOCAL's Long-Term IDR could also be downgraded if Fitch believes the subsidiary's importance to the parent has decreased or there are other changes to the parent's ability or propensity to provide support.

Factors that Could, Individually or Collectively, Lead to Positive Rating Action/Upgrade

We are likely to revise the Outlook on BOCAL's Long-Term IDR to Stable if the rating Outlook for BOC is revised to Stable.

BOCAL's Long-Term IDR could be upgraded if Fitch believes the parent has an increased propensity to support the subsidiary. This could include BOCAL becoming an integral part of the wider group. In addition, BOCAL's Long-Term IDR is likely to be upgraded if the parent's Long-Term IDR is upgraded.

OTHER DEBT AND ISSUER RATINGS: KEY RATING DRIVERS

Short-Term IDR: The 'F1' Short-Term IDR is support-driven and is at the higher of the two options for 'A-' Long-Term IDR outlined in Fitch's Bank Rating Criteria. This reflects our view that BOC's propensity to support would be more certain in the short term.

Guaranteed Debt: The ratings on BOCAL's guaranteed AUD1.5 billion transferable certificate of deposit (TCD) programme and debt issued under the programme reflect a guarantee from the parent, BOC, that is included in BOCAL's programme documents. We expect the guarantee to remain in place and therefore equalise the programme ratings with BOC's IDRs.

Ex-Government Support (xgs) Ratings: BOCAL's IDRs (xgs) are driven by BOC's IDRs (xgs). BOCAL's Long-Term IDR (xgs) is one notch below BOC's Long-Term IDR (xgs) under shareholder support notching considerations. BOC's Long-Term IDR (xgs) is 'BBB(xgs)' and is driven by its VR. BOCAL's Short-Term IDR (xgs) is mapped to its Long-Term IDR (xgs).

The ratings (xgs) assigned to BOCAL's guaranteed debt and TCD programme are in line with the IDRs (xgs) of its parent, BOC, reflecting the guarantee the instruments and programme benefit from.

OTHER DEBT AND ISSUER RATINGS: RATING SENSITIVITIES

Factors that Could, Individually or Collectively, Lead to Negative Rating Action/Downgrade:

Short-Term IDR

BOCAL's Short-Term IDR may be downgraded if there is a multi-notch downgrade of BOCAL's Long-Term IDR.

Guaranteed Debt

BOCAL's TCD programme ratings are likely to be downgraded to the same level as BOCAL's IDRs if the guarantee is removed from the programme. BOCAL's TCD programme and guaranteed debt ratings will also be downgraded if the Long-Term IDR of the parent is downgraded.

IDRs (xgs)

BOCAL's IDRs (xgs) could be downgraded if the parent bank's ability or propensity to provide support weakens, as assessed by Fitch. The former could stem from a downgrade of the parent bank's IDRs (xgs). The Short-Term IDR (xgs) may be downgraded to 'B(xgs)' if the Long-Term IDR (xgs) is downgraded.

The ratings (xgs) of BOCAL's guaranteed debt and TCD programme are sensitive to changes in BOC's IDRs (xgs). The long-term ratings (xgs) of the TCD programme could also be downgraded if the guarantee is removed.

Factors that Could, Individually or Collectively, Lead to Positive Rating Action/Upgrade:

Short-Term IDR

BOCAL's Short-Term IDR of 'F1' may be upgraded if BOCAL's Long-Term IDR is upgraded and the parent's Short-Term IDR remains at 'F1+'.

Guaranteed Debt

The long-term rating assigned to the TCD programme and the guaranteed debt ratings could be upgraded if the parent's Long-Term IDR is upgraded. The short-term rating assigned to the TCD programme cannot be upgraded, as it is already at the highest level on Fitch's rating scale.

IDRs (xgs)

An upgrade of the IDRs (xgs) would require an upgrade of the parent bank's IDRs (xgs), provided Fitch's view of the parent bank's propensity to support remains unchanged. The Long-Term IDR (xgs) could also be upgraded if BOCAL becomes an integral part of the wider group.

An upgrade of the parent's IDRs (xgs) would lead to an upgrade of its guaranteed debt (xgs) ratings.

Sources of Information

The principal sources of information used in the analysis are described in the applicable criteria.

REFERENCES FOR SUBSTANTIALLY MATERIAL SOURCE CITED AS KEY DRIVER OF RATING

The principal sources of information used in the analysis are described in the Applicable Criteria.

Public Ratings with Credit Linkage to other ratings

BOCAL's ratings are support-driven and therefore linked directly with those of its parent, BOC.

ESG Considerations

The highest level of ESG credit relevance is a score of '3', unless otherwise disclosed in this section. A score of'3' means ESG issues are credit-neutral or have only a minimal credit impact on the entity, either due to their nature or the way in which they are being managed by the entity. Fitch's ESG Relevance Scores are not inputs in the rating process; they are an observation on the relevance and materiality of ESG factors in the rating decision. For more information on Fitch's ESG Relevance Scores, visit www.fitchratings.com/topics/esg/products#esg-relevance-scores.

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