ROME, March 26 (Reuters) - Italy's Treasury said on Tuesday it had launched an accelerated bookbuilding procedure (ABB) to place shares in Monte dei Paschi di Siena (MPS) equivalent to about 12.5% of bailed-out lender.

BofA Securities, Citigroup Global Markets Europe AG, Jeffries and Mediobanca are joint global coordinators for the accelerated bookbuilding procedure, it said in a statement. (Reporting by Giuseppe Fonte, editing by Cristina Carlevaro)