Review your emergency contact before you confirming it Once your emergency contact is successfully saved, you can always come back to update your emergency contact. This is how your emergency contact appears, and you can always make an update to itWeb Log in on the website > Go to your profile icon > Security > Emergency contact > Add. Select Emergency contact under Advanced security in the Security section Read the description and guide before proceeding to Add emergency contact.

Cost Basis: Starting with crypto acquired on OKX in Tax Year 2026 and sold on OKX in 2026 or later, the form will expand to include the cost basis for these "covered securities" (assets acquired on OKX after the regulation start date).When will I receive my tax forms? Form 1099-MISC: Available by February 2, 2026 (for those who earned $600+ in rewards/staking). Form 1099-DA: Available by February 17, 2026.

For more information, go to okx.com © 2026 OKX. All rights reserved.

Form W-9 and form W-8 collection starting tax year 2026 Starting calendar year 2026, OKX is required to collect form W-9 and form W-8 from OKX US users on the U.S. exchange platform. Form W-9 is collected from OKX US users who are considered U.S. Persons. Form W-8 is collected from OKX US users who are considered Non U.S. Persons. These forms are collected to ensure proper and correct reporting of users' information and reportable transactions to the IRS.

Sign up by: you must enroll in the campaign by February 16, 2026. Complete by: all 5 buys must be completed by February 20, 2026.What happens if I miss a day? If you miss a day, don't worry—you won't lose your progress entirely. Once you earn your first $5 reward, your streak will simply reset to Day 2. You'll then need to complete 4 more daily buys to get the final reward.

Note: the IRS threshold for this form increases to $2,000 for the 2026 tax year.

OKTChain will continue operating until January 1, 2026. Before this date, you can deposit OKT to the platform at any time. Deposited OKT will be automatically converted to OKB based on the same average closing price rules.How are other on-chain assets on OKTChain handled? OKTChain will continue operating until January 1, 2026. You should manage and withdraw other on-chain assets before this date.How do I exchange OKT from a cold wallet for OKB?

For more information, go to www.okx.com © 2026 OKX. All rights reserved.

Campaign Overview and Period The "3.1M+ $SENT X Drops Campaign" (the "Campaign") begins on February 4, 2026, 8 AM PST (the "Start Date") and ends on February 8, 2026, 8 AM PST (the "Campaign Period").

Campaign Overview and Period The "8M $SPACE Drops Campaign" (the "Campaign") begins on January 26, 2026, 7 AM PST (the "Start Date") and ends on January 30, 2026, 7 AM PST (the "Campaign Period"). The Campaign allows eligible users to join and earn rewards in the form of specific tokens (the "Reward Token") based on their eligible crypto asset holdings.2.

Campaign Overview and Period The "500k $BREV Campaign" (the "Campaign") begins on January 8, 2026, 8 AM PST (the "Start Date") and ends on January 13, 2026, 8 AM PST (the "Campaign Period").

The Unified USD Orderbook automatically handles the conversion internally, ensuring seamless transactions between fiat-stablecoin(s) or different stablecoins without any manual adjustments.4. Why are all trading pairs displayed as XXX-USD in the Unified USD Orderbook? For simplicity and clarity, all trading pairs in the Unified USD orderbook are displayed as XXX-USD.

For more information, please visit www.okx.com © 2026 OKX. Where any discrepancy arises between the translated versions and the English version, the English version shall prevail. Note: In order to comply with local regulations, certain features may not be available in your region. This Program and its rewards are subject to OKX's eligibility criteria and may be modified at any time.

For more information, go to www.okx.com © 2026 OKX. All rights reserved.

All unclaimed gifts will expire on 5 January, 2026 at 23:59 PT. Crypto gifts will be sent on a first-come, first-served basis, while supplies last, in OKX's sole discretion. This crypto gift campaign is exclusively available to residents of the United States, excluding residents of New York, Texas, American Samoa, Guam, the Northern Mariana Islands, and the U.S. Virgin Islands.