Old Second Bancorp — Merger or Acquisition (August 2024)

4 slides from Old Second Bancorp's merger presentation, Aug 27, 2024

Slide 1: Strategic Acquisition of Chicago Branches
é Old Second Strategic Acquisition of Chicago Branches August 27, 2024 James Eccher Chairman, President & CEO Bradley Adams EVP, Chief Operating Officer & Chief Financial Officer
Slide 2: Forward-Looking Statements
Forward-Looking Statements vce 2 CAUTIONARYNOTEREGARDING FORWARD-LOOKING STATEMENTS ‘This presentation and otherpubliclyavailable documents of Old Second Bancorp, Inc. (the"Company‘,“OSBC”) contain forward-looking statements within themeaning of the Private Securities Litigation Reform Act, induding
Slide 3: Strategic Acquisition of Chicago Branch Franchise
Strategic Acquisition of Chicago Branch Franchise nee 3 Pro Forma Footprint 58¢ (48) VY Old Second National Bankis acquiring 5 Chicagoland branches from First Merchants Bank RME IL Branches (5) : Y $304 million in deposits (71% non-time deposits) with an approximate average cost of quiring: e E LI 1
Slide 4: Strategic Acquisition Overview
Strategic Acquisition Overview Financial Impact Use of Net Cash Received Immediate and durable EPS accretion + Initial cash balance from deposits (net of loans acquired and premium paid) assumed toipay/dbwenernting OS BC barauiiigs Shoe TR ener © Haccpwigs coatuiay S GaN paid dowa by deposi costing