August 13, 2025, 3:00 PM (UTC+8) OKX will stop supporting OKB withdrawals to Ethereum (ETH L1). August 15, 2025, 10:00 AM (UTC+8) The platform will automatically convert OKT held in users' accounts to OKB according to the exchange rules. August 15, 2025, 2:00 PM (UTC+8) Historically repurchased and reserved OKB will be permanently burned through an on-chain smart contract.

Account Status: Users shall not be subject to any restrictions imposed on their account at the time of enrolment.3. Reward Mechanics and Calculations3.1. Rewards There will be a total reward amount of 8M Reward Tokens. The rewards are divided into daily amounts for each day of the Campaign Period.3.2.

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.

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.

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 "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").

Account Status: Users shall not be subject to any restrictions imposed on their account at the time of enrolment.3. Reward Mechanics and Calculations3.1. Rewards The total rewards are divided into daily amounts for each day of the Campaign Period.3.2. Eligible Crypto Balance To qualify for rewards, a user's Crypto Balance implies the total value of crypto assets in their portfolio, subject to the following exclusions: Cash Excluded: Fiat currencies (e.g., USD, EUR, SGD) are excluded.

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.

income (past 12 months) Accountant Letter Issued within the last 3 months with business ownership confirmation Distribution Record Shows recent profit withdrawals or distributions Others Issued within the last 3 months with compensation or business ownership confirmation Investment returns Investment Account Statement Issued within the last 3 months Retirement Account Statement Issued within the last 3 months Brokerage Statement Issued within the last 3 months Bank Statement Shows investment income

Campaign Overview and Period The "1.25M $FOGO X Drops Campaign" (the "Campaign") begins on January 15, 2026, 8 AM PST (the "Start Date") and ends on January 19, 2026, 8 AM PST (the "Campaign Period").

It starts on December 1, 2025 at 00:00 PT and ends on January 5, 2026 at 23:59 PT (the "Deposit Match Campaign Period"). This deposit match campaign is available to new or existing eligible OKX users residing in the United States during the Deposit Match Campaign Period (as confirmed by advanced identity verification) except for individuals residing in New York, Texas, American Samoa, Guam, the Northern Mariana Islands, and the US Virgin Islands.