Sterne collected his second European Tour title when Bradley Dredge lipped out his par putt on the 18th hole to drop into a tie for second place with Soren Kjeldsen, Mads Vibe-Hastrup and Mardan Mamat.
One week after Miguel Angel Jimenez claimed its flagship event, the BMW PGA Championship, the European Tour returns with another stellar field that includes six of the previous eight winners.
Reigning British Open winner Padraig Harrington will make his first Wales Open start.
The GOLF CHANNEL will have coverage of all four rounds.
Next week is the Bank Austria GolfOpen, where Richard Green won last year.