19 Collateral provided for third-party liabilities

Guarantees in favour of group companies and third parties totalled CHF 1’183 million at 31 December 2023 (previous year: CHF 1’383 million). Of this, an amount of CHF 679 million (CHF 786 million) relates to bank guarantees and CHF 504 million (CHF 597 million) to guarantees issued by Alpiq Holding Ltd.