Herbert, who won the Dubai Desert Classic last month, has moved to three under today through nine holes to be 12-under for the tournament at Millbrook Resort.
He joins overnight leader Joohyung Kim, Thailand’s Pavit Tangkamolprasert and fellow Australian Ben Eccles all on 12-under midway through their rounds.
The clubhouse leader is defending champion Zach Murray who fired a five-under 66 today to move to eight-under par.
Others to move today include US Open winner Geoff Ogilvy who shot seven birdies in his round of 66 to be on six-under