AUBURN NATIONAL BANCORPORATION INC

$

6,811

6,728

6,677

6,154

6,380

6,790

6,709

6,657

6,059

6,272

(5,429)

7,636

7,605

7,544

7,137

Provision for credit losses

(127)

(123)

5,500

5,519

5,675

5,803

5,362

(1,514)

$

1,732

1,734

1,371

(3,985)

1,488

Per share data:

Basic and diluted net earnings

$

0.50

0.50

0.39

(1.14)

0.43

Cash dividends declared

0.27

0.27

0.27

0.27

0.27

Weighted average shares outstanding:

3,493,663

Shares outstanding, at period end

Book value

$

24.14

21.53

21.32

21.90

17.59

Common stock price:

High

$

24.35

19.25

21.55

21.99

22.80

Low

17.50

16.63

18.82

19.72

20.85

Period end:

22.90

18.29

19.27

21.28

21.50

To earnings ratio (b)

91.60

x

101.61

83.78

53.20

7.65

To book value

%

Performance ratios:

Annualized return on average equity

9.10

%

9.63

7.13

(26.40)

8.59

Annualized return on average assets

0.71

%

0.71

0.56

(1.56)

0.58

Dividend payout ratio

54.00

%

54.00

69.23

(23.68)

62.79

Asset Quality:

Allowance for credit losses as a % of:

Loans

1.22

%

1.24

1.27

1.23

1.24

Nonperforming loans

%

Nonperforming assets as a % of:

Loans and other real estate owned

0.14

%

0.14

0.15

0.16

0.22

0.08

%

0.08

0.09

0.09

0.12

0.14

%

0.14

0.15

0.16

0.22

Annualized net charge-offs (recoveries) as % of average loans

0.04

%

0.01

(0.05)

0.13

0.01

Capital Adequacy: (c)

CET 1 risk-based capital ratio

14.75

%

14.47

14.62

14.52

15.01

Tier 1 risk-based capital ratio

14.75

%

14.47

14.62

14.52

15.01

Total risk-based capital ratio

15.76

%

15.49

15.69

15.52

15.98

Tier 1 leverage ratio

10.43

%

10.39

10.34

9.72

10.26

Other financial data:

Net interest margin (a)

3.05

%

3.06

3.04

2.65

2.73

Effective income tax rate

23.46

%

21.50

10.68

(27.53)

10.90

Efficiency ratio (d)

71.83

%

72.39

75.03

800.41

74.01

Selected average balances:

$

251,723

258,228

267,606

354,065

390,772

571,651

573,443

560,757

550,938

529,382

982,656

978,107

976,930

1,020,476

904,860

900,673

897,051

953,674

942,533

76,113

72,059

76,948

60,372

69,269

Selected period end balances:

$

258,285

254,359

260,770

270,910

373,286

565,699

578,068

567,520

557,294

545,610

6,876

7,142

7,215

6,863

6,778

990,143

1,025,054

979,039

975,255

1,030,724

901,724

946,405

899,673

896,243

964,602

84,336

75,209

74,489

76,507

61,451

(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.

Table 3

• Selected Financial Data