ZURICH, June 11 Reuters The merger of the Swiss units of UBS and Credit Suisse could be completed as early as July 1, a senior executive at UBS was quoted as saying on Tuesday.

UBS, which acquired former rival Credit Suisse last year after the bank39;s collapse, had previously indicated the two units would be combined during the third quarter.

Sabine KellerBusse, president of UBS Switzerland, told the Neue Zuercher Zeitung newspaper in an interview that the plan was progressing very well.

The merger could by done by July 1, she said.

Customers will start transferring to UBS39; IT systems in the course of 2025, KellerBusse said.

The merger of the parent companies of UBS and Credit Suisse concluded at the end of last month.

Separately, UBS said in a statement it had on June 7 completed the transition to a single U.S. intermediate holding company, as planned.

UBS39; absorption of Credit Suisse has left Switzerland with a single global bank, which has a balance sheet around twice the size of the country39;s annual economic output.

KellerBusse, who reiterated that there would be 3,000 layoffs in Switzerland due to the overall merger, was also asked whether she would like to succeed UBS CEO Sergio Ermotti, who is expected to step down in the next three years or so.

She is regarded as one of the potential candidates.

I have one of the most interesting jobs in the banking industry, she told the paper. That39;s what I39;m concentrating on, as I always have. All this…