Mediobanca SpA : Share Takeover (Update as of 12 September 2025)

Update as of 12 September 2025

In a media release dated 11 September 2025, Banca Monte dei Paschi di Siena SpA has announced that the tender offer to the shareholders of Mediobanca SpA is effective and that the transaction would be settled on 15 September 2025.

Accordingly, the affected contracts will be adjusted as described in Corporate Action Info 002. The details of the adjustment to the contracts are set out once more below.

As the underlying will be adjusted the Underlying ISIN and Product Name will be changed as mentioned in the following table:

Adjustment outcome

Closing price Banca Monte dei Paschi di Siena:  EUR 8.366

R-Factor: 0.37870492

Option: ME9
Adjusted exercise prices. 
320 0 -> 121 1  360 0 -> 136 1  400 0 -> 151 1  
480 0 -> 182 1  520 0 -> 197 1  560 0 -> 212 1  
600 0 -> 227 1  640 0 -> 242 1  680 0 -> 258 1  
720 0 -> 273 1  760 0 -> 288 1  800 0 -> 303 1  
900 0 -> 341 1  1000 0 -> 379 1  1100 0 -> 417 1  
1150 0 -> 436 1  1200 0 -> 454 1  1250 0 -> 473 1  
1300 0 -> 492 1  1350 0 -> 511 1  1400 0 -> 530 1  
1450 0 -> 549 1  1500 0 -> 568 1  1550 0 -> 587 1  
1600 0 -> 606 1  1650 0 -> 625 1  1660 0 -> 629 1  
1680 0 -> 636 1  1700 0 -> 644 1  1720 0 -> 651 1  
1740 0 -> 659 1  1750 0 -> 663 1  1760 0 -> 667 1  
1780 0 -> 674 1  1800 0 -> 682 1  1820 0 -> 689 1  
1840 0 -> 697 1  1850 0 -> 701 1  1860 0 -> 704 1  
1880 0 -> 712 1  1900 0 -> 720 1  1920 0 -> 727 1  
1940 0 -> 735 1  1950 0 -> 738 1  1960 0 -> 742 1  
1980 0 -> 750 1  2000 0 -> 757 1  2050 0 -> 776 1  
2100 0 -> 795 1  2150 0 -> 814 1  2200 0 -> 833 1  
2250 0 -> 852 1  2300 0 -> 871 1  2350 0 -> 890 1  
2400 0 -> 909 1  2450 0 -> 928 1  2500 0 -> 947 1  
2550 0 -> 966 1  2600 0 -> 985 1  2700 0 -> 1023 1  
2800 0 -> 1060 1  2900 0 -> 1098 1  3000 0 -> 1136 1  
3200 0 -> 1212 1  3400 0 -> 1288 1  3600 0 -> 1363 1  
3800 0 -> 1439 1  

Adjusted contract sizes. 
LEPO Version 0 500.0000 -> LEPO Version 1 1322.8865

Version 0 500.0000 -> Version 1 1320.2892

Future: M2EG
Adjusted settlement price for contracts with OI
DEC25: 1.15 -> 0.436
DEC26: 2.745 -> 1.04

Daily settlement prices and final settlement prices are expected to deviate from the adjusted prices for M2EG.
M2EG DEC25 final settlement price is expected to be EUR 0.56 * 0.37870492 (given no further dividends payments by Banca Monte dei Paschi di Siena in the current dividend period according to contract specifications).

Adjusted contract size. 
1000.0000 - > 2640.5783

No adjustment in Futures ME9G, TME9 due to no Open Interest.

Update as of 04 September 2025

The company Banca MPS announced its proposal to acquire Mediobanca S.p.A via a takeover offer to the shareholders of Mediobanca S.p.A at a ratio of 2.533 Banca MPS shares per each Mediobanca S.p.A share shares plus a cash component of 0.90 EUR per each Mediobanca share.

The company Banca MPS announced its proposal to acquire Mediobanca via a takeover offer to the shareholders of Mediobanca at a ratio of 2.533 Banca MPS shares per each Mediobanca share.

More information about this transaction is available on the companies` websites.

This information describes the potential effects this transaction will have on the above-mentioned contracts