Ouyi Flash Earn Lite launches DoubleZero, subscribing to BTC, SOL, OKB or 2Z can divide 5500000 2Z rewards Flash earn staking coin earning is an innovative coin earning product that supports subscription with OKB, BTC, or other mainstream currencies. Not only can you earn basic simple coin earning profits, but you can also receive additional token rewards. Flash Earn Lite is a streamlined version of the Flash Earn staking coin earning activity - providing a selected subscription pool and exclusive rewards. This issue is launching the 2Z (DoubleZero) Flash Earn Lite event, come and participate! Rules for Flash Earn, Pledge, and Earn Coins Activity Event time: 15:00 on October 2, 2026 to 15:00 on October 8, 2026 (UTC+8)* *Users can start subscribing from 15:00 (UTC+8) on September 26, 2026 during the pre subscription period, and they can still receive simple coin earning interest; Token rewards only start counting after the event officially begins. Project Name: 2Z (DoubleZero) Total airdrop prize pool: 5500000 2Z Details of the prize pool: There are a total of 4 subscription pools for the 2Z Flash Earn Lite in this issue: Prize Pool 1: BTC Subscription Pool Prize Pool 2: SOL Subscription Pool Prize Pool 3: 2Z Subscription Pool Prize Pool 4: OKB Subscription Pool Each pool rewards 3850000 2Z 550000 2Z 275000 2Z 825000 2Z Flash Earn Pledge Earn Coin Level 1 User Subscription Limit 1 BTC 400 SOL 270000 2Z 200 OKB Flash Earn Pledge Earn Coin Level 2 User Subscription Limit 3 BTC 1000 SOL 1100000 2Z 1000 OKB Flash Earn Pledge Earn Coin Level 3 User Subscription Limit 5 BTC 3000 SOL 2900000 2Z 2500 OKB Flash Earn Pledge Earn Coin Level 4 User Subscription Limit 30 BTC 8000 SOL 14300000 2Z 10000 OKB Minimum subscription quantity 0.001 BTC 1 SOL 150 2Z 1 OKB Reward composition: One part is the airdrop reward of tokens, and the other part is the simple earning interest reward. SOL borrowed through current borrowing is not included in the valid subscription limit and will not receive flash profit rewards. This activity adopts the user level system of flash earning, staking, and earning coins. Please refer to this announcement for details. Pledge earning level: 30 day daily average net assets or meeting 30 day spot trading volume or meeting 30 day contract trading volume 1 < $100,000 < $1,000,000 < $5,000,000 2 ≥ $100,000 ≥ $1,000,000 ≥ $5,000,000 3 ≥ $200,000 ≥ $5,000,000 ≥ $10,000,000 4 ≥ $2,000,000 ≥ $10,000,000 ≥ $50,000,000 Your level of earning coins through flash earning staking can be viewed on the flash earning staking earning page. Participation conditions: You need to complete identity authentication to participate in this activity. Sub accounts and institutional users are not allowed to participate. Important Notice: This product is a current product, which can be redeemed at any time after fund subscription, and airdrop rewards will be credited to the account immediately. After the event ends, if you do not actively redeem, your 2Z will be automatically redeemed to your fund account within 4 hours; Your other assets will continue to be subscribed for simple coin earning products. The reward is calculated on an hourly basis. A. After the subscription confirmation, the simple earning interest will accumulate from the next complete hour calculation cycle and be calculated according to the applicable loan annualization. B. After the subscription confirmation, the new coin airdrop reward will accumulate from the next complete hour calculation cycle. If you subscribe during the pre subscription period, the airdrop reward will not be calculated before the official start time of the event. C. Funds redeemed within a certain hour cycle will not generate simple earning interest for that hour, nor will they be included in the new coin airdrop reward for that hour. 3. The rewards generated in each hourly cycle are usually distributed within the next hour. For example, rewards generated between 15:00-16:00 are usually distributed between 16:00-17:00. 4. You can go to the corresponding activity page to claim accumulated rewards at any time, or go to [Assets]>[Earn Coins], select the relevant order and click [Claim]. If you do not receive the reward before the end of the event, the system will automatically distribute the remaining reward to your fund account within 4 hours after the event ends. If you have more questions, please refer to the Frequently Asked Questions of Flash Earn to learn about the activity rules, profit calculation, and related details. Platform terms: Participants who enter the event page by default and participate in this event have read and understood the terms and conditions of this event. This activity is limited to the main account only. Sub accounts cannot participate, and the income from sub accounts is not included in the calculation of income from the main account. This event does not constitute and should not be considered as a recommendation or investment advice for buying or selling any products. Digital assets are speculative and highly volatile, and may become illiquid at any time, making them suitable for investors with high risk tolerance. Investors in digital assets may lose the full value of their investments. Please note that the value of the prize may fluctuate. Due to this price fluctuation, the value of your prize may increase or decrease at any given moment. Ouyi is not responsible for the fluctuation of prize value caused by market fluctuations. All applicable taxes, fees, and additional expenses related to the acceptance and use of activity rewards shall be borne by the individual activity reward recipient. Any and all applicable taxes, fees, and additional charges related to the acceptance and use of the reward, including connection, installation, and/or service fees, shall be borne by the reward recipient. According to local laws and regulations, users from the following countries or regions (subject to verification of information) may not be eligible to participate in this activity: please refer to Article 3 of the Ouyi Risk Disclosure and Disclaimer. During the event, Ouyi will closely track the behavior of traders to avoid any form of cheating or abnormal behavior, including but not limited to: registering multiple accounts, using other people's accounts, using other people's information to register accounts, false KYC information, maliciously increasing transaction data, self buying and selling, mutual tapping, repeated use of on chain funds, organizing users in groups to maliciously seek activity rewards without other normal user behavior, and other behaviors involving illegal, fraudulent or harmful effects. If any of the above behaviors are discovered by Ouyi, Ouyi has the right to cancel the user's eligibility for the award. If there is a violation of the rules, Ouyi has the right to cancel the user's right to participate in the activity without notice. Risk Warning: Digital asset prices have high market risk and price volatility. Your investment value may fluctuate or you may lose the investment amount. You will be solely responsible for your investment decisions, and Ouyi will not be held liable for any potential losses. Past performance does not constitute a reliable predictor of future performance. You should only invest in familiar products and understand the related risks. You should carefully consider your investment experience, financial situation, investment goals, and risk tolerance, and consult an independent financial advisor before making any investments. This activity and its terms and conditions should not be considered as financial advice. Please refer to the EuEasy Terms of Use and Risk Warning for details. Please note that the value of digital assets (including but not limited to stablecoins) may sometimes experience significant fluctuations. The value of any reward under this activity at the time the participant is eligible to receive the reward may not be equal to the value at the time the reward is allocated to the participant. Due to such fluctuations, the value of users' assets may significantly increase or decrease at any given moment. Ouyi reserves the right to decide and/or modify or change the activity or activity rules at any time without further notice, including but not limited to canceling, extending, terminating or suspending this promotion, eligibility terms and standards, selection and number of winners, and time to take any action. All participants shall be bound by these revised terms. Ouyi reserves the right of final interpretation for this event. If you have any questions, please contact the customer service team. Ouyi has always attached great importance to compliance obligations, strictly complying with the relevant requirements of regulatory agencies in various regions, and requesting that you comply with the relevant laws and regulations of your country or region. Ouyi is not responsible for technical, graphic, typesetting, or editing errors or omissions. For more information, please visit www.okx.com © 2026 Euro Easy. In case of any inconsistency between the translation of the terms and conditions of this activity and the English version, the English version shall prevail. Risk Warning: Digital asset prices have high market risk and price volatility. Your investment value may fluctuate or you may lose the investment amount. You will be fully responsible for your investment decisions, and Ouyi will not be held liable for any potential losses. Past performance does not constitute a reliable predictor of future performance. You should only invest in familiar products and understand the related risks, and carefully consider your investment experience, financial situation, investment goals, and risk tolerance before investing. If necessary, consult an independent financial advisor. This activity and its terms and conditions should not be considered as financial advice. Please refer to the EuEasy Terms of Use and Risk Warning for details. Ouyi kindly reminds that digital assets are innovative investment products with significant price fluctuations and high investment risks. Before investing, we hope that you have a full understanding of digital assets, make rational judgments on investment capabilities, and make prudent investment decisions. Ouyi will continue to provide you with better products and services! Ouyi team September 25, 2026