Three Months Ended June 30,

Six Months Ended June 30,

(Dollars in Thousands)

2012

2011

2012

2011

Service Cost

$

1,750

$

1,550

$

3,500

$

3,100

Interest Cost

1,375

1,325

2,750

2,650

Expected Return on Plan Assets

(1,700

)

(1,650

)

(3,400

)

(3,300

)

Prior Service Cost Amortization

100

125

200

250

Net Loss Amortization

850

550

1,700

1,100

Net Periodic Benefit Cost

$

2,375

$

1,900

$

4,750

$

3,800

Discount Rate

5.00

%

5.55

%

5.00

%

5.55

%

Long-Term Rate of Return on Assets

8.00

%

8.00

%

8.00

%

8.00

%

The components of the net periodic benefit costs for the Company’s SERP were as follows:

Three Months Ended June 30,

Six Months Ended June 30,

(Dollars in Thousands)

2012

2011

2012

2011

Interest Cost

$

46

$

40

$

92

$

80

Prior Service Cost Amortization

48

45

96

90

Net Gain Amortization

(98

)

(98

)

(196

)

(196

)

Net Periodic Benefit Cost

$

(4

)

$

(13

)

$

(8

)

$

(26

)

Discount Rate

5.00

%

5.55

%

5.00

%

5.55

%