Monte dei Paschi (MPS), which raised capital last year, needs to merge with a stronger rival to cement its turnaround. Banco BPM CEO Giuseppe Castagna, who faces pressure from shareholders to reject an MPS deal, has repeatedly said the Tuscan bank is too large for Banco BPM to integrate. A Banco BPM spokesperson said nothing had changed in this respect. HURDLESA Banco BPM and MPS tie-up would pose major hurdles, another three sources said separately. Banco BPM investors are also concerned about an expansion into regions of the country where economic growth is much weaker compared with the bank's wealthy home base in the north, one of the sources said.

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