AUBURN NATIONAL BANCORPORATION INC

$

13,405

14,211

13,366

13,997

1,783

1,583

15,149

15,580

(296)

11,194

11,429

$

3,105

3,892

Per share data:

Basic and diluted net earnings

$

0.89

1.11

Cash dividends declared

0.54

0.54

Weighted average shares outstanding:

Shares outstanding, at period end

Book value

$

21.53

20.28

Common stock price:

High

$

21.55

24.50

Low

16.63

18.80

Period end

18.29

21.26

To earnings ratio (b)

101.61

x

7.21

To book value

%

Performance ratios:

Annualized return on average equity

8.34

%

10.91

Annualized return on average assets

0.64

%

0.76

Dividend payout ratio

60.67

%

48.65

Asset Quality:

Allowance for credit losses as a % of:

Loans

1.24

%

1.27

Nonperforming loans

%

Nonperforming assets as a % of:

Loans and other real estate owned

0.14

%

0.22

0.08

%

0.11

0.14

%

0.22

Annualized net recoveries as a % of average loans

(0.02)

%

(0.06)

Capital Adequacy: (c)

CET 1 risk-based capital ratio

14.47

%

15.33

Tier 1 risk-based capital ratio

14.47

%

15.33

Total risk-based capital ratio

15.49

%

16.31

Tier 1 leverage ratio

10.39

%

10.23

Other financial data:

Net interest margin (a)

3.05

%

3.10

Effective income tax rate

17.07

%

12.48

Efficiency ratio (d)

73.70

%

72.36

Selected average balances:

$

262,917

402,807

567,100

507,139

977,518

898,862

945,456

74,503

71,365

Selected period end balances:

$

254,359

394,079

578,068

520,411

7,142

6,634

1,026,130

946,405

950,742

75,209

70,976

(a) Tax-equivalent. See "Table 1 - Explanation of Non-GAAP Financial Measures."

(b) Calculated by dividing period end share price by

earnings per share for the previous four quarters.

(c) Regulatory capital ratios presented are for the Company's

wholly-owned subsidiary, AuburnBank.

(d) Efficiency ratio is the result of noninterest expense divided by

the sum of noninterest income and tax-equivalent net interest

income.

See Table 1 - Explanation of Non-GAAP Measures.