First Busey, the parent of Busey Bank, and Pulaski Financial, the parent of Pulaski Bank, National Association, have received the shareholders approval for their merger.
The deal, valued at about $210.7m, was announced in December 2015.
As per the agreed terms of the deal, Pulaski Financial will merge into First Busey, with First Busey as the surviving entity.
First Busey has already secured the nod of the Board of Governors of the Federal Reserve System for the merger, which is expected to close in the second quarter of 2016, subject to customary closing conditions.
As part of the deal, the subsidiaries Pulaski Bank will merge with and into Busey Bank, with Busey Bank as the surviving entity.
The merger of the subsidiaries is anticipated to close in the fourth quarter of 2016, and is subject to regulatory nod.
Pulaski Bank operates with thirteen branches in metropolitan St. Louis, Missouri. The bank managed $1.1bn in deposits and $1.3bn in loans as of 30 September 2015.