Singapore operator M1 has reported that its pre-tax profit  for the nine months ended September 30 2008 declined 6.9 percent to S$139.9 million (US$94.5 million). Service revenue increased 3.6 percent year on year to S$559.7 million, driven by growth in the mobile and international sectors, while its EBITDA margin on service revenue stood at 42.5 percent.