London, 6 August 2025 – ARC Ratings (UK) Limited affirms the Final, Public Long-Term Ratings assigned to Tranches A, B, C, D, E and Class E1 and E2 CLNS created under Santander UK’s Synthetic Securitisation Credit Linked Note Issuance Programme, Colossus 2023-1 and Colossus 2023-2.

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