Thailand’s Siam Cement Group (SCG) registered 34% increase in net profit to THB9.2bn during 1Q ended March 2011 owing to the increase in the capacity utilisation of the second petrochemical complex. The sales also grew by 35% to THB92.49bn. SCG Cement’s profit increased by 16% to THB2.24bn on 11% increase in sales to THB14.24bn.