His compatriots Klas Eriksson and Martin Erlandsson were tied for third on 69 along with Spanish duo Pablo Larrazabal and Pablo Martin, Argentina's Tano Goya and South African Branden Grace.
South Africa's 2010 British Open champion Louis Oosthuizen made 67 to be tied for seventh on 139 along with Italy's Francesco Molinari (68), Irishman Shane Lowry (70) and Spain's Pablo Larrazabal (68).