HSBC Publishes Supplement to Debt Issuance Program, Signals Strategic Financial Adjustments HSBC Holdings has released a supplement to its debt issuance program’s base prospectus, dated April 30, 2025. The update, now available for investor review, reflects the bank’s ongoing efforts to manage its capital structure and financing flexibility, as it continues to serve clients across 58 countries with assets exceeding $3 trillion.123