Graham opted to challenge his potential ban at the NRL judiciary in an attempt to play in next Wednesday's crucial second State of Origin match in Brisbane, but after a lengthy hearing in Sydney, the jury found Graham guilty.
"Obviously I'm very disappointed that I miss out on the game. There are not really words to describe how disappointing it is," Graham said.
"I though we went in there and put forward a good argument, and I thought it was a fair case. Unfortunately the decision didn't go my way tonight.