In 1998 the bank merged with Istituto Mobiliare Italiano to form Sanpaolo IMI.

In 1991, due to Legge Amato [it], the bank was transformed from a statutory corporation to a società per azioni (company limited by shares), which San Paolo Bank Holding S.p.A. and Istituto Bancario San Paolo di Torino S.p.A. were created.

[4] In 1997 the brotherhood owned 20.54% of the bank, followed by Banco Santander (6.8%), Istituto Mobiliare Italiano (5%) and others.

[7] According to Ricerche e Studi, a subsidiary of Mediobanca, the bank was ranked second in terms of client deposits in 1997, behind Banca Intesa (pro forma data).

[8] In 1998 the bank merged with Istituto Mobiliare Italiano to form Sanpaolo IMI.