Covington & Burling LLP

Beijing 2301 Tower C Yintai Centre 2 Jianguomenwai Avenue Chaoyang Dist., Beijing 100022 Tel: 86.10.5910.0591 Fax: 86.10.5910.0599	San Diego 9191 Towne Centre Drive 6th Floor San Diego, CA 92122-1225 Tel: 858.678.1800 Fax: 858.678.1600
Brussels Kunstlaan 44 / 44 Avenue des Arts 1040 Brussels Belgium Tel: 32.2.549.5230 Fax: 32.2.502.1598	San Francisco One Front Street San Francisco, CA 94111-5356 Tel: 415.591.6000 Fax: 415.591.6091
London 265 Strand London WC2R 1BH England Tel: 44.(0)20.7067.2000 Fax: 44.(0)20.7067.2222	Silicon Valley 333 Twin Dolphin Drive Suite 700 Redwood Shores, CA 94065-1418 Tel: 650.632.4700 Fax: 650.632.4800
New York The New York Times Building 620 Eighth Avenue New York, NY 10018-1405 Tel: 212.841.1000 Fax: 212.841.1010	Washington 1201 Pennsylvania Avenue, NW Washington, DC 20004-2401 Tel: 202.662.6000 Fax: 202.662.6291