[OKX to Launch KAT/USDT Spot Trading and Convert Pre-Contract] OKX announces the launch of KAT (Katana) and the conversion of KAT pre-contracts into standard perpetual contracts. Specific arrangements are as follows: 1. KAT deposit opening time: March 17, 2026, 13:00 (UTC+8) 2. KAT/USDT call auction time: March 18, 2026, 20:00 to 21:00 (UTC+8) 3. KAT/USDT spot trading opening time: March 18, 2026, 21:00 (UTC+8) 4. KAT/USDT pre-contract conversion time: Within 3 hours starting from March 18, 2026, 21:00 (UTC+8) 5. KAT withdrawal opening time: March 18, 2026, 23:00 (UTC+8)