Related Party Transactions and Outside Related Director Information

CenterState Banks of Florida, Inc. (CSFL)

3/14/2006 Proxy Information

CenterStateÕs subsidiary banks have outstanding loans to certain CenterState directors, executive officers, their associates and members of the immediate families of such directors and executive officers. These loans were made in the ordinary course of business, were made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with persons not affiliated with the banks and did not involve more than the normal risk of collectibility or present other unfavorable features.

CenterState purchases substantially all of its business insurance from a company at which director Lupfer is a divisional president and has an ownership interest therein. During 2005, CenterState paid total premiums of approximately $81,000 to Mr. LupferÕs insurance agency.

CenterState also has various business relationships with director Maxwell. Several branch offices are leased from Mr. Maxwell or companies he controls. During 2005, CenterState paid approximately $151,000 in lease payments to director Maxwell, or companies he controls. In February 2006, CenterState purchased land for a future branch site and corporate office from Mr. Maxwell. The total purchase price was approximately $1,700,000.