Woori Bank (WOORIB)
South Korea / Banking
Active
Issuer Summary
Woori Bank is the core operating bank of Woori Financial Group and a leading South Korean commercial bank. Its credit is A-range, supported by a deposit base, ample CET1 and BIS ratios, low NPLs, long-term ratings of A1/A+/A, and systemic importance. The direction is stable, but investors should monitor whether SME/SOHO delinquencies, overseas provisions, and non-bank expansion pressure asset quality or capital. Senior debt can be viewed as relatively stable exposure to Korean banks, while holding company debt, subordinated debt, and AT1 should be assessed for structure and regulatory loss absorption separately.
Woori Bank is the core banking entity of Woori Financial Group, one of South Korea’s Big Four financial conglomerates. Its credit profile fundamentally rests on a large domestic deposit base, lending to corporates and SMEs, and its systemic importance within the banking sector closely linked to the government and regulators. The bank should be viewed not as a high-growth digital challenger or an investment bank dependent on capital markets revenue, but as a large commercial bank that funds itself primarily through deposits, extends loans to corporates, households, and public entities, and generates fee income from payments, foreign exchange, trade finance, and other services.
On this basis, Woori Bank’s senior credit can be assessed as a stable investment-grade bank credit. As of March 2026, the bank’s standalone BIS ratio stood at 17.4%, Tier 1 ratio at 15.6%, and Common Equity Tier 1 (CET1) ratio at 14.9%, reflecting an improvement from year-end 2025. Standalone net interest margin (NIM) also rose from 1.46% for full-year 2025 to 1.51% in 1Q26, indicating that despite the margin compression typical across the South Korean banking sector, the near-term earnings base remains intact.
Nevertheless, credit assessment should not be reduced to a simple “large bank with high ratings” narrative. Woori Bank reported net income of KRW 2.5821 trillion in 2025, down from 2024, and KRW 522.1 billion in 1Q26, a 17.8% year-on-year decline. This was primarily due to additional provisions related to overseas subsidiaries, higher expenses, and weaker non-interest income. While this does not reflect franchise impairment, earnings appear relatively muted compared with peers. Standalone NPL ratios have increased from 0.23% at end-2024 to 0.31% at end-2025 and 0.33% as of March 2026; although levels remain low in absolute terms, the trend warrants monitoring.
Issuer Reports
Current public reports for this issuer.