The second-quarter gross profit was NT$26,824 million, up 20.7% sequentially, and up 86.5% year-over-year. Gross margin for the quarter was 49.6%, up 1.3 percentage points sequentially and up 6.4 percentage points year-over-year. The sequential and year-over-year increase was mainly due to favorable product mix.

Operating expenses for the quarter was NT$14,063 million (26.0% of revenue), compared with NT$11,413 million (24.8% of revenue) in the previous quarter, and NT$8,497 million (25.5% of revenue) in the same period last year. The sequential and year-over-year increase was mainly due to MStar expenses recognition, continuous investment in talents and technologies as well as higher expenses associated with higher sales.

Operating profit for the quarter was NT$12,760 million, up 18.0% sequentially, and up 116.7% year-over-year. Operating margin for the quarter was 23.6%, increased from 23.5% in the previous quarter, and increased from 17.7% in the year-ago quarter.

Non-operating income of NT$1,393 million, or 2.6% of revenue, was mainly from interest income and investment income. Income tax expense for the quarter was NT$1,605 million.