OKX Announcement on Morpho Katana Onchain Earn Bonus Reward Campaign

Dear OKX users,To thank you for your support and enthusiasm for the Morpho Katana deposit campaign, OKX will officially launch a bonus reward campaign for the USDT Onchain Earn product on Morpho (Katana) on March 17, 2026. This bonus reward campaign will seamlessly follow the conclusion of the Morpho Katana pre-deposit campaign. If you have an existing active earning order from the pre-deposit campaign, it will automatically qualify for this bonus campaign, and no further action is required. Rewards from the pre-deposit campaign will be settled as scheduled and won’t be affected.

Campaign rules

• How to participate: During the campaign, subscribe a minimum of 1 USDT to the Morpho (Katana) network in Onchain Earn to qualify for bonus rewards.

• Reward details: Additional to your base rewards, your eligible subscription amounts will enjoy bonus KAT rewards.

• Distribution method: Bonus KAT rewards will be distributed daily, directly to your account.

Campaign details

Rewards and distribution rules

• KAT rewards: Rewards will be distributed daily to users’ funding accounts during the Campaign period.

• Reward calculation: Users receive daily KAT rewards based on the share of their staked amount relative to the total prize pool. The total prize pool is distributed evenly between eligible users each day.

Participation eligibility

• This campaign is only available to users who have completed identity verification (KYC).

• Users may participate through the OKX App or the official website.

How to subscribe to Onchain EarnApp:

1. Go to Explore and select Onchain Earn.

2. Select USDT and choose Morpho (Katana).

3. Enter your subscription amount and confirm to start enjoying rewards.

Web:

1. Go to Grow, Earn, then select Onchain Earn.

2. Select USDT under Products. Choose Morpho (Katana).

3. Enter your subscription amount and confirm to start enjoying rewards.

Disclaimer

1. Onchain Earn products may differ in staking mechanisms across projects. Please carefully review and understand the relevant mechanisms before subscribing, including but not limited to the staking and yield generation strategies employed by the protocol, the minimum redemption amounts, interest start time, reward distribution time, principal redemption period, and estimated annualized yield.

2. OKX only provides services related to product access and reward distribution. The platform does not bear responsibility for potential asset losses arising from protocol disputes, hacking incidents, project fraud, or other related risks.

3. There is no guarantee that KAT will be successfully listed on the OKX platform. If KAT does not get listed on the OKX platform, you will not be able to trade KAT on OKX, but you will still be able to withdraw it.

Terms and conditions

1. The Morpho Katana bonus reward campaign starts on March 17, 2026, 01:00 UTC and ends on April 16, 2026, 01:00 UTC (the “campaign period”).

2. By entering the campaign page and participating in this campaign, users shall be deemed to have read, understood, and agreed to be bound by the Terms and Conditions of this campaign as well as the On-Chain Earn user agreement.

3. Users from the following countries or regions (subject to verification information) may not be eligible to participate in this campaign: please refer to clause 3 of OKX’s risk and compliance disclosure.

4. OKX reserves the right to apply risk control and reward adjustment mechanisms to ensure fair and sustainable distribution of incentives. Final rewards may be subject to platform-level controls based on overall participation, type of users, and market conditions.

5. OKX has the discretion to convert any rewards into platform vouchers or USDT of equivalent value or less value. This may happen in cases where platform restrictions in certain jurisdictions cause participants to be ineligible for certain campaign rewards, where OKX is unable to procure the prizes for the participants, or in any case that OKX deems in its full discretion that it is necessary for the rewards to be converted. The reward will be converted to an equivalent value for distribution.

6. The rewards of this campaign may contain non-stablecoins, and the actual amount issued is based on the USDT spot pair price at the time of issuing the rewards, and according to the equivalent amount of USD.

7. This activity is not (i) investment advice or an investment recommendation; (ii) an offer or solicitation, buy or sell digital assets; or (iii) financial, accounting, legal or tax advice. You should carefully consider whether trading or holding crypto/digital assets is suitable for you in light of your financial condition and risk tolerance. Please consult your legal/ tax/ investment professional for questions about your specific circumstances. Crypto/digital assets, including stablecoins and NFTs, are subject to market volatility, involve a high degree of risk and can lose value. Historical returns are not indicative of future returns and past performance is not indicative of future results. OKX is not responsible for any potential losses. Not all products offered in all regions and this activity may be limited or not offered in some markets. Please consult your legal/ tax/ investment professional for questions about your specific circumstances.

8. By accessing a third party staking or DeFi protocol, your use of and any information or assets you provide to the Protocol will also be governed by their terms. OKX is not associated with the third-party protocol, makes no warranties or representations of their offerings, and is not responsible for any loss arising from your use of the same.

9. Risk warning: Crypto/digital asset prices are subject to high market risk and price volatility. The value of your investment may fluctuate and you may lose the amount invested. You are solely responsible for your investment decisions and OKX is not liable for any losses that may arise. Past performance also does not constitute a reliable predictor of future performance. You should only invest in products that you are familiar with and understand the risks involved. You should consider your own investment experience, financial situation, investment objectives and risk appetite and consult an independent financial adviser before making any investment. This document should not be regarded as financial advice. Please refer to the OKX Terms of Service applicable to the entity with which you onboarded (e.g., EEA Terms of Service for EU residents) and OKX's risk and compliance disclosure for further details.

10. Please note that the value of the prize may fluctuate and may not be equal in value at the time a recipient has the ability to withdraw to the actual withdrawal time based on market fluctuation. Prices of crypto/digital assets, including stablecoins, can and do fluctuate at any moment. Due to such price fluctuations, you may experience an increase or decrease in value of your assets at any given moment. In particular, OKX does not guarantee the value of the KAT or your ability to trade them on OKX.

11. Any and all applicable taxes and all fees and additional expenses, including connection, installation, and/or service costs, related to acceptance and use of rewards are the sole responsibility of the individual reward recipient.OKX reserves the right to exclude any participants from this promotion and/or cancel this promotion without notice.OKX reserves the right to determine and amend the rules of the campaign at any time without further notice, including but not limited to cancelling, extending or terminating this campaign, modifying the eligibility conditions for users participating in the campaign, and adjusting the campaign and reward rules. All participants shall be bound by these revised terms. Where practicable, OKX will endeavour to provide notice of material changes before they take effect. Where OKX exercises any discretion under these terms, it shall do so in a reasonable manner.

12. OKX reserves the right to final interpretation of this campaign. Please contact the customer service team if you have any questions.

13. OKX is not responsible for technical, graphic, typographical or editorial errors or omissions. For more information, please visit www.okx.com © 2026 OKX.

OKX teamMarch

13, 2026