| WESTAMERICA BANCORPORATION (WABC) |
| Q1-CY2026 | Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 |
| Balance Sheet Date | | 2025-Dec-31 | 2025-Sep-30 | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 |
| Fiscal Period | | Q4-FY2025 | Q3-FY2025 | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 |
| Close Price of Common Stock | 50.66$ | 47.82$ | 49.96$ | 48.58$ | 50.61$ | 52.50$ | 49.38$ | 48.51$ | 48.81$ | 56.46$ | 43.25$ | 38.36$ | 44.27$ | 59.13$ | 52.32$ | 55.66$ | 60.44$ | 57.78$ | 56.21$ | 58.08$ | 62.83$ | 55.32$ | 54.27$ | 57.54$ | 58.95$ | 67.82$ | 62.53$ | 61.57$ | 61.79$ | 55.67$ | 60.12$ | 56.81$ | 58.21$ | 59.51$ | 59.56$ | | | | | | | | | | | | | | |
| Market Cap of Common Stock | 1,233,571,709$ | 1,192,173,834$ | 1,272,074,226$ | 1,271,857,192$ | 1,351,579,847$ | 1,401,015,210$ | 1,317,610,832$ | 1,294,169,233$ | 1,301,822,004$ | 1,504,604,573$ | 1,152,550,480$ | 1,022,228,059$ | 1,191,428,416$ | 1,591,335,356$ | 1,407,964,005$ | 1,496,432,458$ | 1,623,880,403$ | 1,552,323,720$ | 1,509,991,334$ | 1,560,343,768$ | 1,684,268,982$ | 1,486,392,416$ | 1,461,515,392$ | 1,550,090,084$ | 1,597,655,001$ | 1,834,738,826$ | 1,687,168,828$ | 1,657,940,217$ | 1,661,501,896$ | 1,487,915,249$ | 1,603,469,418$ | 1,512,652,828$ | 1,546,498,424$ | 1,567,824,871$ | 1,566,779,821$ | | | | | | | | | | | | | | |
| QoQ% | 3.47% | (6.28%) | .02% | (5.90%) | (3.53%) | 6.33% | 1.81% | (.59%) | (13.48%) | 30.55% | 12.75% | (14.20%) | (25.13%) | 13.02% | (5.91%) | (7.85%) | 4.61% | 2.80% | (3.23%) | (7.36%) | 13.31% | 1.70% | (5.71%) | (2.98%) | (12.92%) | 8.75% | 1.76% | (.21%) | 11.67% | (7.21%) | 6.00% | (2.19%) | (1.36%) | .07% | | | | | | | | | | | | | | | |
| YoY% | (8.73%) | (14.91%) | (3.46%) | (1.72%) | 3.82% | (6.89%) | 14.32% | 26.60% | 9.27% | (5.45%) | (18.14%) | (31.69%) | (26.63%) | 2.51% | (6.76%) | (4.10%) | (3.59%) | 4.44% | 3.32% | .66% | 5.42% | (18.99%) | (13.38%) | (6.51%) | (3.84%) | 23.31% | 5.22% | 9.61% | 7.44% | (5.10%) | 2.34% | | | | | | | | | | | | | | | | | | |
| Close Price of Warrant | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Close Price of Unit | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Close Price of Right | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Common Shares Outstanding | 24,350,014 | 24,623,000 | 25,107,000 | 25,587,000 | 26,360,000 | 26,708,000 | 26,686,000 | 26,683,000 | 26,678,000 | 26,671,000 | 26,649,000 | 26,648,000 | 26,648,000 | 26,913,000 | 26,911,000 | 26,896,000 | 26,883,000 | 26,866,000 | 26,866,000 | 26,865,000 | 26,864,000 | 26,807,000 | 26,898,000 | 26,933,000 | 26,932,000 | 27,062,000 | 27,014,000 | 26,962,000 | 26,901,000 | 26,730,000 | 26,727,000 | 26,649,000 | 26,591,000 | 26,425,000 | 26,319,000 | 26,304,000 | 26,283,000 | 25,907,000 | 25,665,000 | 25,632,000 | 25,438,000 | 25,528,000 | 25,530,000 | 25,529,000 | 25,563,000 | 25,745,000 | 25,906,000 | 26,074,000 | 26,299,000 |
| QoQ% | (1.11%) | (1.93%) | (1.88%) | (2.93%) | (1.30%) | .08% | .01% | .02% | .03% | .08% | .00% | .00% | (.99%) | .01% | .06% | .05% | .06% | .00% | .00% | .00% | .21% | (.34%) | (.13%) | .00% | (.48%) | .18% | .19% | .23% | .64% | .01% | .29% | .22% | .63% | .40% | .06% | .08% | 1.45% | .94% | .13% | .76% | (.35%) | (.01%) | .00% | (.13%) | (.71%) | (.62%) | (.64%) | (.86%) | (.80%) |
| YoY% | (7.63%) | (7.81%) | (5.92%) | (4.11%) | (1.19%) | .14% | .14% | .13% | .11% | (.90%) | (.97%) | (.92%) | (.87%) | .18% | .17% | .12% | .07% | .22% | (.12%) | (.25%) | (.25%) | (.94%) | (.43%) | (.11%) | .12% | 1.24% | 1.07% | 1.18% | 1.17% | 1.15% | 1.55% | 1.31% | 1.17% | 2.00% | 2.55% | 2.62% | 3.32% | 1.49% | .53% | .40% | (.49%) | (.84%) | (1.45%) | (2.09%) | (2.80%) | (2.89%) | (2.53%) | (2.60%) | (2.66%) |