TSMC, the world's biggest contract chipmaker, said on Monday today its net sales for November 2012 were approximately NT$43.64 billion, a decrease of 11.4 percent over October 2012 and an increase of 23.9 percent over November 2011.

Revenues for January through November 2012 totaled NT$463.31 billion, an increase of 19.5 percent compared to the same period in 2011, the company said.

On a consolidated basis, net sales for November 2012 were approximately NT$44.25 billion, a decrease of 11.4 percent over October 2012 and an increase of 23.4 percent over November 2011.

Consolidated revenues for January through November 2012 totaled NT$469.13 billion, an increase of 18.5 percent compared to the same period in 2011.