Best regards, OKX 21:41 Sep 5, 2018 (HKT) -------------------------------------------------------------------------------------------------------------- Dear valued customers, Due to market volatility, the scheduled futures database upgrade will be postponed to 21:30 Sep 5, 2018 (HKT). Further announcement will be made when the upgrade commences. Please carry out neccessary preparation. We apologize for any inconvenience caused.

Perpetual WAXP/USDT 0.00001 0.0001 6:23:00 - 6:24:59 am Perpetual XLM/USDT 0.00001 0.0001 6:25:00 - 6:26:59 am Perpetual XLM/USD 0.00001 0.0001 6:27:00 - 6:28:59 am Perpetual XMR/USDT 0.01 0.1 6:29:00 - 6:30:59 am Perpetual XMR/USD 0.01 0.1 6:31:00 - 6:32:59 am Spot AGLD/USDT 0.0001 0.001 6:33:00 - 6:34:59 am Spot ALGO/USDT 0.00001 0.0001 6:35:00 - 6:36:59 am Spot ALPHA/USDT 0.00001 0.0001 6:37:00 - 6:38:59 am Spot BIGTIME/USDT 0.00001 0.0001 6:39:00 - 6:40:59 am Spot CORE/USDT 0.00001 0.0001 6:41

- 6:22:59 am Spot WIFI/USDT 0.00001 0.0001 6:23:00 - 6:24:59 am Spot CITY/USDT 0.0001 0.001 6:25:00 - 6:26:59 am Spot BTM/USDT 0.00001 0.0001 6:27:00 - 6:28:59 am Spot ARG/USDT 0.0001 0.001 6:29:00 - 6:30:59 am Spot RADAR/USDT 0.000001 0.00001 6:31:00 - 6:32:59 am Spot EURT/USDT 0.0001 0.001 6:33:00 - 6:34:59 am Spot PRQ/USDT 0.00001 0.0001 6:35:00 - 6:36:59 am Spot XNO/USDT 0.0001 0.001 6:37:00 - 6:38:59 am Spot OMI/USDT 0.0000001 0.000001 6:39:00 - 6:40:59 am Spot MRST/USDT 0.000001 0.00001 6:41

0.1 07:20:00 - 07:21:59 am Spot ETH/EUR 0.01 0.1 07:22:00 - 07:23:59 am Spot ETH/TRY 0.1 1 07:24:00 - 07:25:59 am Spot ETHFI/USDT 0.0001 0.001 07:26:00 - 07:27:59 am Spot FET/EUR 0.0001 0.001 07:28:00 - 07:29:59 am Spot GEAR/USDT 0.000001 0.00001 07:30:00 - 07:31:59 am Spot GPT/USDT 0.00001 0.0001 07:32:00 - 07:33:59 am Spot MKR/EUR 0.1 1 07:34:00 - 07:35:59 am Spot MKR/USDC 0.1 1 07:36:00 - 07:37:59 am Spot OM/USDT 0.00001 0.0001 07:38:00 - 07:39:59 am Spot RIO/USDT 0.0001 0.001 07:40:00 - 07:41