X0202 4 2008-01-31 0 0000311094 WESTAMERICA BANCORPORATION WABC 0001201513 PAYNE DAVID L 1 1 0 0 Chairman, President & CEO Common Stock 2008-01-31 4 S 0 700 48.72 D 6422 D Common Stock 2008-01-31 4 M 0 400 34.5625 A 6822 D Common Stock 2008-01-31 4 S 0 400 48.73 D 6422 D Common Stock 2008-01-31 4 M 0 1 34.5625 A 6423 D Common Stock 2008-01-31 4 S 0 1 48.74 D 6422 D Common Stock 2008-01-31 4 M 0 305 34.5625 A 6727 D Common Stock 2008-01-31 4 S 0 305 48.75 D 6422 D Common Stock 2008-01-31 4 M 0 100 34.5625 A 6522 D Common Stock 2008-01-31 4 S 0 100 48.76 D 6422 D Common Stock 2008-01-31 4 M 0 100 34.5625 A 6522 D Common Stock 2008-01-31 4 S 0 100 48.77 D 6422 D Common Stock 2008-01-31 4 M 0 100 34.5625 A 6522 D Common Stock 2008-01-31 4 S 0 100 48.8 D 6422 D Common Stock 2008-01-31 4 M 0 21 34.5625 A 6443 D Common Stock 2008-01-31 4 S 0 21 48.83 D 6422 D Common Stock 2008-01-31 4 M 0 200 34.5625 A 6622 D Common Stock 2008-01-31 4 S 0 200 48.85 D 6422 D Common Stock 2008-01-31 4 M 0 75 34.5625 A 6497 D Common Stock 2008-01-31 4 S 0 75 48.9 D 6422 D Common Stock 2008-01-31 4 M 0 1200 34.5625 A 7622 D This is filing #8 of 9 filings for this date for the reporting person. By: /s/ David L. Payne 2008-02-04