Credit score Suisse suffered SFr61.2bn ($68.6bn) of outflows within the first quarter as purchasers fled the stricken financial institution, exposing the dimensions of the duty now going through UBS after taking on its Swiss rival.

The shopper exodus was most acute within the days earlier than Swiss regulators orchestrated the rescue by UBS final month, Credit score Suisse mentioned on Monday, including that whereas outflows have stabilised, they haven’t reversed.

The revelations of the dimensions at which prospects fled the financial institution are the primary because the takeover deal was struck, underlining the harm inflicted on the enterprise that compelled Swiss regulators to step in.

Credit score Suisse’s flagship wealth administration unit misplaced 9 per cent of property within the first quarter, a haemorrhaging that can reduce the charges it generates and “possible result in a considerable loss in wealth administration” within the second quarter, Credit score Suisse mentioned because it launched first-quarter outcomes.

The $3.25bn takeover by UBS is the primary time two world systemically necessary monetary establishments have been introduced collectively and is probably the most important banking deal because the monetary disaster 15 years in the past.

The deal brings enormous integration dangers for UBS, particularly because the financial institution seeks to staunch the exodus of Credit score Suisse purchasers. Analysts have forecast that each banks may lose prospects, particularly rich ones who’ve accounts at each lenders and now need to diversify their threat.

Anke Reingen, an analyst at RBC, mentioned the first-quarter outcomes highlighted “the challenged place Credit score Suisse’s franchise is in and the work forward for UBS taking Credit score Suisse over”.

The financial institution reported an adjusted SFr1.3bn pre-tax loss for the quarter. It reported web revenue of SFr12.4bn for the quarter, a determine improved by a SFr15bn accounting achieve stemming from the controversial wipeout of some Credit score Suisse bondholders as a part of the rescue.

Holders of further tier one capital notes — a debt instrument that may convert into fairness — which have been hit have filed a lawsuit towards Switzerland’s banking regulator, Finma, over the choice. It’s anticipated to be the primary of a number of claims over the following few years.

The transfer has quickly boosted Credit score Suisse’s widespread fairness tier one ratio — an indicator of its monetary resilience — from 14.1 per cent to twenty.3 per cent.

“In gentle of the merger announcement, the antagonistic income influence from the beforehand disclosed exit from non-core companies and exposures, restructuring fees and funding prices, Credit score Suisse would additionally anticipate the funding financial institution and the group to report a considerable loss earlier than taxes in [the second quarter] and 2023,” the financial institution mentioned.

Credit score Suisse additionally confirmed it had terminated its $175mn acquisition of M Klein & Co, the advisory enterprise run by the financial institution’s former director Michael Klein. The deal had been structured as a part of a plan for Credit score Suisse to spin off a lot of its funding financial institution below the First Boston model and be run by Klein.

Individually, UBS mentioned on Monday that Christian Bluhm, its chief threat officer who had introduced he was standing right down to turn into a full-time photographer, would as a substitute keep within the position “for the foreseeable future” to assist with the combination of Credit score Suisse.

UBS stories its first-quarter outcomes on Tuesday morning.