AUBURN NATIONAL BANCORPORATION, INC

Net interest income (a)

$

7,062

6,988

6,811

6,728

6,677

Less: tax-equivalent adjustment

7,045

6,969

6,790

6,709

6,657

Noninterest income

Total revenue

7,792

7,814

7,636

7,605

7,544

(10)

(48)

(127)

(123)

Noninterest expense

5,880

5,472

5,500

5,519

5,675

$

1,530

1,560

1,732

1,734

1,371

Per share data:

Basic and diluted net earnings

$

0.44

0.45

0.50

0.50

0.39

Cash dividends declared

0.27

0.27

0.27

0.27

0.27

Weighted average shares outstanding:

Shares outstanding, at period end

Book value

$

23.79

22.41

24.14

21.53

21.32

Common stock price

High

$

23.37

24.57

24.35

19.25

21.55

Low

20.36

20.06

17.50

16.63

18.82

Period end:

21.59

23.49

22.90

18.29

19.27

To earnings ratio (b)

11.42

12.77

91.60

101.61

83.78

To book value

%

Performance ratios:

Annualized return on average equity

7.83

%

7.49

9.10

9.63

7.13

Annualized return on average assets

0.62

%

0.63

0.71

0.71

0.56

Dividend payout ratio

61.36

%

60.00

54.00

54.00

69.23

Asset Quality:

Allowance for credit losses as a % of:

Loans

1.20

%

1.22

1.22

1.24

1.27

Nonperforming loans

1,298

%

1,366

Nonperforming assets as a % of:

Loans and OREO

0.09

%

0.09

0.14

0.14

0.15

0.05

%

0.05

0.08

0.08

0.09

Nonperforming loans as a % of total loans

0.09

%

0.09

0.14

0.14

0.15

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

0.05

%

(0.01)

0.04

0.01

(0.05)

Capital Adequacy: (c)

CET 1 risk-based capital ratio

15.04

%

14.80

14.75

14.47

14.62

Tier 1 risk-based capital ratio

15.04

%

14.80

14.75

14.47

14.62

Total risk-based capital ratio

16.05

%

15.81

15.76

15.49

15.69

Tier 1 leverage ratio

10.52

%

10.49

10.43

10.39

10.34

Other financial data:

Net interest margin (a)

3.20

%

3.09

3.05

3.06

3.04

Effective income tax rate

20.40

%

34.73

23.46

21.50

10.68

Efficiency ratio (d)

75.30

%

69.86

71.83

72.39

75.03

Selected average balances:

$

240,588

255,168

251,723

258,228

267,606

Loans

566,082

567,634

571,651

573,443

560,757

987,272

991,275

982,656

978,107

976,930

906,805

904,605

904,860

900,673

897,051

Total stockholders’ equity

78,158

83,325

76,113

72,059

76,948

Selected period end balances:

$

242,468

243,012

258,285

254,359

260,770

Loans

560,650

564,017

565,699

578,068

567,520

Allowance for credit losses

6,750

6,871

6,876

7,142

7,215

996,786

977,324

990,143

1,025,054

979,039

910,503

895,824

901,724

946,405

899,673

Total stockholders’ equity

83,115

78,292

84,336

75,209

74,489

(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

• Average

Balances and Net Interest Income Analysis