• R&D expenses increased to $36.7 million in 2Q13, up 48.4% QoQ from $24.8 million in 1Q13 mainly due to 1) a $7.5 million decrease in the funding of R&D contracts from the government in 2Q13, which offset the costs and 2) an increase of employee bonus accrual in 2Q13.
• General and administrative expenses increased to $42.6 million in 2Q13, up 24.7% QoQ from $34.2 million in 1Q13, mainly due to higher employee bonus accrual in 2Q13.
• Other operating expense (income) in 2Q13 included 1) the gain arising from the disposal of part of the living quarters in Shanghai and 2) the gain arising from the disposal of the Company's total ownership interest in SMIC (Wuhan) Development Corporation which was mainly engaged in the construction, operation and management of SMIC living quarters and schools in Wuhan.

Other Income (expense), Net

• Finance costs decreased to $9.1 million in 2Q13, down 16.3% QoQ from $10.9 million in 1Q13, mainly due to 1) the Company retired some of the bank borrowings in early 2Q13 and 2) more interest expense was capitalized as part of the costs of assets under construction in 2Q13.
• The change of other gains or losses was mainly due to the payment of land idling tax charged by the local government in 1Q13.

Depreciation and Amortization