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Old Second to acquire West Suburban for $297m.

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Service Providers

Nelson Mullins Riley & Scarborough

legal advisors

Nelson Mullins Riley & Scarborough

Citigroup

financial advisors

Citigroup

Cleary Gottlieb Steen & Hamilton

legal advisors to financial advisors

Cleary Gottlieb Steen & Hamilton

Keefe Bruyette & Woods

financial advisors

Keefe Bruyette & Woods

Barack Ferrazzano Kirschbaum & Nagelberg

legal advisors

Barack Ferrazzano Kirschbaum & Nagelberg

Kirkland & Ellis

legal advisors

Kirkland & Ellis

or

Principals

OLD SECOND BANCORP INC

bidder

OLD SECOND BANCORP INC

WEST SUBURBAN BANCORP INC

target

WEST SUBURBAN BANCORP INC

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