Tom Naratil, the bank's chief financial officer, told CNBC Tuesday that it was hard to analyze whether the strong first quarter would continue throughout the year, but said that it was a "really good start."
"It's a solid start, a strong quarter. We're pleased to see all of our businesses performing well in the quarter," he said.
"I think this really highlights the advantages of defining your strategy early, of having a clear strategy and also of executing with discipline across all of our business lines."
UBS' wealth management business delivered its highest profits since 2008, the bank said in the release Tuesday morning, and the global asset management division posted its best quarter since 2009.
UBS warned that many of the underlying macroeconomic challenges seen in the first quarter of 2015 were still present and were unlikely to be resolved in the foreseeable future.
However, it said that it expected its wealth management businesses to continue to attract new deposits in the second quarter.
"Despite ongoing and new challenges, we continue to be committed to the disciplined execution of our strategy in order to ensure the firm's long-term success and to deliver sustainable returns for our shareholders," the bank said in a press release.