[Important Announcement] CTC Chain Node Subscription Rebate Distribution Rules Dear TT Users, The CTC Public Chain Node Subscription Global Public Sale officially commenced on October 16, 2025 (Singapore Time), with a total duration of 30 days. The rebate distribution rules during the subscription period are outlined below. Please read carefully. 1. Rebate Ratio & Eligibility The CTC Public Chain adopts a two-tier referral rebate system: Direct Referrer: Receives 10% of the referred user’s subscription amount. Indirect Referrer: Receives 5% of the referred user’s subscription amount. Rebates will be distributed based on the system-recorded referral relationship (i.e., the referral link recorded when the referred user subscribes). Referrers become eligible for rebates once the referred user’s subscription payment is successfully completed. 2. Distribution Method & Token Type Distribution Method: Rebates will be airdropped directly to the user’s TT Exchange spot account (viewable under “Asset Details / Records”). Token Type: Rebates will be settled in the same token used by the referred user for their subscription (USDY / USDT / CTC), based on the platform’s actual subscription records. TT Exchange reserves the right to adjust the rebate token or settlement method under special circumstances, with prior notice. 3. Distribution Schedule Rebates will be distributed in four batches during the subscription period: Batch 1: By October 27, 2025, 18:00 (SGT) Batch 2: By November 3, 2025, 18:00 (SGT) Batch 3: By November 10, 2025, 18:00 (SGT) Batch 4: By November 17, 2025, 18:00 (SGT) Users can log in to TT Exchange → Asset Account to check their rebate details after each distribution. If your rebate has not been received within 1 business day after the specified time, please contact TT official customer support. 4. Settlement & Reconciliation Rebates will be calculated based on recorded subscription data from referred users. TT Exchange retains the final authority over subscription, on-chain, and internal reconciliation records. If any rebate delay or adjustment occurs due to risk control or compliance review, the platform will notify affected users via announcement or in-app message. Thank you for your continued trust and support in TT Exchange and the CTC Public Chain Ecosystem. We welcome all users to participate in node subscriptions and jointly contribute to ecosystem growth. TT Exchange Operations Team October 22, 2025