Supreme Court ruling hits Yes Bank AT1 plan

The Supreme Court on October 15–16, 2026 dismissed appeals and upheld the Bombay High Court’s January 20, 2023 judgment that quashed Yes Bank’s March 14, 2020 write‑off of Additional Tier‑1 bonds. This decision restores the legal challenge over the extinguishment of these instruments and revives bondholders’ claims against the bank.

The disputed AT1 bonds total about ₹8,415 crore and were issued in two tranches: ₹3,000 crore in December 2016 with a coupon of around 9.5%, and ₹5,415 crore in October 2017 with a coupon of around 9%. The court’s ruling means the treatment of these bonds in Yes Bank’s capital structure must now be reassessed.

Analysts and rating agencies estimate that a full reinstatement of the AT1 principal could reduce Yes Bank’s Common Equity Tier‑1 (CET1) ratio by roughly 230–300 basis points. Market commentary places CET1 at about 14% at the end of June, implying a potential decline to around 11–11.5% on a pro‑forma basis if the full impact is recognized.

At least one brokerage has presented a more severe scenario in which the CET1 ratio could fall closer to 10%, indicating a larger potential reduction in net worth. These estimates highlight the scale of the capital adjustment that could arise from recognizing the AT1 obligations in full.

Yes Bank has stated that it is examining the Supreme Court judgment and the final order and is evaluating legal options along with the broader implications. The bank has indicated that it has access to capital‑management levers and flexibility to undertake additional capital actions as needed.

The lender has also said it will make further disclosures as required, suggesting that more detailed information on its implementation approach and financial impact could follow. The combination of regulatory requirements and market expectations is likely to shape how and when any capital measures are executed.

Japan’s Sumitomo Mitsui Banking Corporation (SMBC) is identified as a significant strategic investor in Yes Bank, with a reported 20% acquisition in May 2025 and regulatory approval to increase its stake to as much as 24.99%. This makes SMBC the largest external investor cited in connection with the latest developments.

Commentary notes that the Supreme Court ruling and its effect on capital ratios could influence stakeholders including SMBC and existing shareholders. Any future capital‑raising or balance‑sheet actions taken to address the AT1 outcome would be relevant to these investors as the bank clarifies its next steps.