Net profits slid 27 percent from the same quarter last year to $1.1 billion (€1 billion), with the bank benefitting from some exceptional items that boosted performance last year.
Revenues contracted by 12 percent to $7.2 billion.
Both numbers beat the consensus of analysts surveyed by the Swiss financial news agency AWP, which was a net profit of $873 million on revenues of $6.9 billion.
“The first quarter of 2019 was characterised by challenging market conditions,” acknowledged chief executive Sergio Ermotti in a statement, before adding that market conditions improved at the end of the quarter and
Pre-tax profits at the investment banking unit tumbled by 64 percent to $207 million due to less revenue from advising clients on mergers and acquisitions as well as from equities.
Less trading by clients of its wealth management unit led to a fall of commissions, with pre-tax profit sliding 22 percent.