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Acquisitions: 2008 Union Bankshares 2012 Bank of America (14 branches) 2015 The Bank of Maine as of 12/31/21 3 Year 5 Year 10 Year Total Return 47.7% 25.2% 195.8% TBV/Sh CAGR 11.7% 10.0% 7.2% EPS CAGR 10.7% 12.3% 8.8% Total Assets CAGR 8.6% 7.3% 9.1%

• • • • • 0.00% 0.30% 0.60% 0.90% 1.20% 1.50% 1.80% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22 0.00% 4.00% 8.00% 12.00% 16.00% 20.00% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22 0.00% 20.00% 40.00% 60.00% 80.00% 100.00% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22

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• • • 0.00% 1.00% 2.00% 3.00% 4.00% 5.00% 6.00% 7.00% 8.00% 9.00% 10. 0% $0 $20,00 $40,00 $60,00 $80,00 $100,00 0.00% 1.00% 2.00% 3.00% 4.00% 5.00% 6.00% 7.00% 8.00% 9.00% 10. 0% 0 500 1000 15000 2000 25000 3000

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15 Year Stock price appreciation of 88.3% Average dividend yield of 3.01%

TBV Per Share(a) Dividends as a % of Net Income • • • •

0.00% 0.30% 0.60% 0.90% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% '13 '14 '15 '16 '17 '18 '19 '20 '21 YTD '22

Top 15 Lenders Origination Units Rank % of Total Bangor Savings Bank 2,392 1 10.9% Camden National Bank 1,516 2 6.9% Quicken Loans 1,271 3 5.8% Kennebec Savings Bank 897 4 4.1% First, N.A. 850 5 3.9% USA - various agencies 770 6 3.5% United Wholesale Mortgage 735 7 3.3% Key Bank 698 8 3.2% Machias Savings Bank 684 9 3.1% Norway Savings Bank 530 10 2.4% TD Bank, N.A. 530 10 2.4% Gorham Savings Bank 412 12 1.9% Atlantic Regional Federal Credit Union 376 13 1.7% Androscoggin Savings Bank 342 14 1.6% Sanford Inst. for Savings 323 15 1.5% All Other Lenders 9,693 - 44.0% Total 22,019 100.0% Six Months Ended June 30, 2022