M&T BANK CORP | 2013 | FY | 3


Net periodic pension expense for defined benefit plans consisted of the following:

 

     Year Ended December 31  
     2013     2012     2011  
     (In thousands)  

Service cost

   $ 24,360      $ 29,549      $ 28,828   

Interest cost on benefit obligation

     60,130        62,037        58,545   

Expected return on plan assets

     (87,353     (70,511     (60,700

Amortization of prior service credit

     (6,556     (6,559     (6,559

Recognized net actuarial loss

     41,076        37,386        20,530   
  

 

 

   

 

 

   

 

 

 

Net periodic pension expense

   $ 31,657      $ 51,902      $ 40,644   
  

 

 

   

 

 

   

 

 

 

 

Net other postretirement benefits expense for defined benefit plans consisted of the following:

 

     Year Ended December 31  
     2013     2012      2011  
     (In thousands)  

Service cost

   $ 742      $ 668       $ 535   

Interest cost on benefit obligation

     2,691        3,737         3,761   

Amortization of prior service cost (credit)

     (1,359     21         107   

Recognized net actuarial loss

     360        530         36   
  

 

 

   

 

 

    

 

 

 

Net other postretirement benefits expense

   $ 2,434      $ 4,956       $ 4,439   
  

 

 

   

 

 

    

 

 

 

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