X0304 4 2011-08-29 0000203596 WESBANCO INC WSBC 0001055721 KNOX D BRUCE C/O WESBANCO, INC. ONE BANK PLAZA WHEELING WV 26003 1 Common Stock 2011-08-29 4 S 0 60 18.61 D 105220 D Common Stock 2011-08-29 4 S 0 100 18.62 D 105120 D Common Stock 2011-08-29 4 S 0 5460 18.63 D 99660 D Common Stock 2011-08-29 4 S 0 240 18.64 D 99420 D Common Stock 2011-08-29 4 S 0 401 18.65 D 99019 D Common Stock 2011-08-29 4 S 0 600 18.66 D 98419 D Common Stock 2011-08-29 4 S 0 300 18.67 D 98119 D Common Stock 2011-08-29 4 S 0 6102 18.68 D 92017 D Common Stock 2011-08-29 4 S 0 400 18.69 D 91617 D Common Stock 2011-08-29 4 S 0 301 18.70 D 91316 D Common Stock 2011-08-29 4 S 0 400 18.71 D 90916 D Common Stock 2011-08-29 4 S 0 2 18.72 D 90914 D Common Stock 2011-08-29 4 S 0 2 18.73 D 90912 D Common Stock 2011-08-29 4 S 0 332 18.80 D 90580 D Common Stock 2011-08-29 4 S 0 300 18.81 D 90280 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 2011-08-30