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TrustFinance Global Insights
Jan 23, 2026
2 min read
9

Shares of UBS Group AG (UBSG) experienced a 2% decline after Switzerland's Finance Minister, Karin Keller-Sutter, rejected a legislative proposal. The proposal would have allowed the bank to use Additional Tier 1 (AT1) bonds to satisfy a portion of its regulatory capital requirements.
The rejected proposal would have permitted UBS to use AT1 bonds for up to 50% of the funds required for backing its foreign units at the parent bank level. Minister Keller-Sutter objected, stating the measure 'does not solve the problem' and emphasized that 'only hard core capital is decisive' during the early stages of a financial crisis.
The decision underscores a strict regulatory stance on bank capital stability. Keller-Sutter argued that modifying AT1 bonds for earlier conversion would lead investors to demand higher interest rates, eliminating any financial advantage over standard equity. This places pressure on UBS to rely on more stable, but potentially costlier, core equity for its capital buffer, influencing negative investor sentiment.
Despite the rejection, Swiss authorities confirmed that UBS possesses sufficient capital to meet current regulatory requirements. The market's reaction, however, highlights investor sensitivity to regulatory shifts affecting the bank's capital structure. Future focus will be on how UBS adapts its capital strategy within this stricter regulatory framework.
Q: Why did the Swiss Finance Minister reject the AT1 bond proposal?
A: She argued that AT1 bonds are an 'uncertain instrument' and that only 'hard core capital' is effective in the initial phase of a crisis.
Q: What is the primary function of AT1 bonds?
A: Additional Tier 1 (AT1) bonds are debt instruments that can be converted into equity or written down if a bank's capital falls below a specified threshold, designed to absorb losses.
Q: How did this decision impact UBS stock?
A: UBS (UBSG) stock fell by 2% in the trading session following the announcement.
Source: Investing.com

TrustFinance Global Insights
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