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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2012
Goodwill and Other Intangible Assets

Note 5 - Goodwill and Other Intangible Assets

Goodwill and other intangible assets are presented in the table below. The increases in goodwill and certain other intangible assets were primarily related to the acquisition of Stone Partners Inc. (“Stone”), a human resources consulting firm that specializes in compensation, benefits and outsourcing services, on January 1, 2012. Stone was based in Houston with additional offices in Dallas and Austin. Stone was fully integrated into Frost Insurance Agency subsequent to acquisition. The acquisition of Stone did not significantly impact the Corporation’s financial statements.

Goodwill. Year-end goodwill was as follows:

 

     2012      2011  
    


Goodwill

   $     535,509       $     528,072   
    


Other Intangible Assets. Year-end other intangible assets were as follows:

 

     Gross
Intangible
Assets


     Accumulated
Amortization


    Net
Intangible
Assets


 

2012

                         

Core deposits

   $ 34,966       $ (29,670   $ 5,296   

Customer relationships

     6,839         (4,577     2,262   

Non-compete agreements

     986         (397     589   
    


     $ 42,791       $ (34,644   $ 8,147   
    


2011

                         

Core deposits

   $ 34,966       $ (26,732   $ 8,234   

Customer relationships

     5,975         (3,862     2,113   

Non-compete agreements

     567         (310     257   
    


     $     41,508       $     (30,904   $     10,604   
    


 

Other intangible assets are amortized on an accelerated basis over their estimated lives, which range from 5 to 10 years. Amortization expense related to intangible assets totaled $3.9 million in 2012, $4.4 million in 2011, and $5.1 million in 2010. The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2012 is as follows:

 

2013

   $ 3,115   

2014

     2,271   

2015

     1,489   

2016

     777   

2017

     215   

Thereafter

     280   
    


     $     8,147