Corporate Event Notice CE12-158

RE: OCX.NoDivRiskTM Adjustments

The securities listed below will be trading ex-dividend on the Ex-Date noted. Corresponding OCX.NoDivTM SSF will be adjusted by the following amounts.

Business Date

Name

Underlying Symbol

Underlying ID

Futures Symbol

Adjustment Amount

Ex-Date

2012-07-03

BANCO SANTANDER Brasil SA

BSBR

05967A107

BSBR1D

-0.1358

2012-07-05

The OCC will reduce the start of day prices (i.e. prior day’s settlement) by the amount of the dividend so as no variation pay/collect occurs.

Questions regarding this memo can be addressed to OneChicago at info@OneChicago.com or 312.424.8507. This and all other OneChicago corporate event circulars can be accessed from the OneChicago Web site at www.OneChicago.com