X0303 4 2011-05-31 0000203596 WESBANCO INC WSBC 0001055721 KNOX D BRUCE C/O WESBANCO, INC. ONE BANK PLAZA WHEELING WV 26003 1 Common Stock 2011-05-31 4 S 0 1 19.94 D 120279 D Common Stock 2011-05-31 4 S 0 300 19.91 D 119979 D Common Stock 2011-05-31 4 S 0 200 19.90 D 119779 D Common Stock 2011-05-31 4 S 0 10 19.89 D 119769 D Common Stock 2011-05-31 4 S 0 200 19.88 D 119569 D Common Stock 2011-05-31 4 S 0 100 19.87 D 119469 D Common Stock 2011-05-31 4 S 0 100 19.86 D 119369 D Common Stock 2011-05-31 4 S 0 4894 19.85 D 114475 D Common Stock 2011-05-31 4 S 0 300 19.83 D 114175 D Common Stock 2011-05-31 4 S 0 300 19.82 D 113875 D Common Stock 2011-05-31 4 S 0 200 19.81 D 113675 D Common Stock 2011-05-31 4 S 0 941 19.80 D 112734 D Common Stock 2011-05-31 4 S 0 300 19.76 D 112434 D Common Stock 2011-05-31 4 S 0 2709 19.75 D 109725 D Common Stock 2011-06-01 4 S 0 4445 19.3501 D 105280 D Common Stock 1982 I By IRA The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 29, 2010. /s/ Robert H. Young, Attorney-in-Fact 2011-06-02