Monte Paschi ups Mediobanca bid to €13.5 bln with cash boost, waives rule

Banca Monte dei Paschi di Siena (BMPS) has sweetened its bid for Mediobanca, now valued at €13.5 billion, by adding a €0.90 cash component per share to the original stock swap. This revised offer values each Mediobanca share at €16.334, an 11.4% premium over its January 23 adjusted price. Crucially, BMPS waived the 66.7% acceptance threshold, signaling increased commitment to the acquisition while setting a new minimum stake requirement of 35%, and projects €700 million in annual synergies post-deal.

Analysis

Banca Monte dei Paschi di Siena (BMPS) has intensified its pursuit of Mediobanca (MDBI) by revising its acquisition offer, enhancing its value to €13.5 billion. The offer has been sweetened with a €0.90 per share cash component on top of the original share swap, valuing each MDBI share at €16.334. While this represents a notable 11.4% premium over Mediobanca's adjusted price on January 23, the premium diminishes significantly when benchmarked against three-month averages and becomes negative over six and 12-month periods, suggesting the offer's attractiveness is highly dependent on the valuation timeframe. A critical strategic shift is BMPS's decision to waive the 66.7% minimum acceptance threshold, replacing it with a lower floor of 35%. This move significantly increases the probability of the deal proceeding but introduces the risk that BMPS may secure only a minority stake, potentially complicating the realization of the projected €700 million in annual pre-tax synergies. Despite the increased cost, BMPS reiterates its financial targets, including a pro-forma CET1 ratio of approximately 16% and a dividend payout of up to 100%, signaling confidence in the deal's financial accretion.

Key Decisions for Investors

• Mediobanca shareholders should view the revised bid favorably, as the addition of cash and the removal of the high acceptance threshold increase the likelihood of a value-crystallizing event.
• Investors in Banca Monte dei Paschi di Siena must weigh the bank's increased commitment against the higher cost and the new risk profile, where securing a non-controlling stake could impede the capture of projected synergies.
• Event-driven and merger-arbitrage funds should re-evaluate the spread, as the lowered 35% minimum acceptance condition increases the probability of the deal closing, though the uncertainty of the final stake size presents a key variable.