Dear valued customers, OKX will officially launch LINK Futures, and adjust the fee rules and Tiered MMR Rules of LINK Perpetual Swap. Please see below for details. I. Launch of LINK Futures 1. Date: 6:00 August 20, 2020 (UTC). 2. We will officially launch LINKUSD and LINKUSDT Futures on the web, APP and API.

OKX will assess each sub-affiliate link with immediate effect. Links created on or after January 1, 2026 will be assessed from the fourth calendar month upon link creation. Note: Links created before January 1, 2026, will continue to be assessed starting from the first day of the third calendar month after the link is created. Examples: A link created on August 1, 2026 will be assessed starting from November 1, 2026, and subsequently on the 1st day of each calendar month.

We will continue to support cumulative profit and loss features (Cml PnL and Cml PnL%) as usual. OKX team March 5, 2024

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Dear valued customers, As the wallet upgrade of High-performance Blockchain (HPB) is complete and the system has resumed stable operation, we reopened the withdrawal of HPB at 08:00 Mar 21, 2019 (CET, UTC +1). Thank you very much for your continued support and we assure you of our best service at all times. Regards, OKX Mar 21, 2019

Dear valued customers, Due to the wallet upgrade of High-performance Blockchain (HPB), we will suspend the withdrawal of BTM at 05:00 Mar 20, 2019 (CET, UTC +1) until the work is complete. We apologize for any inconvenience this may cause. Thank you very much for your continued support and we assure you of our best service at all times. Regards, OKX Mar 20, 2019

Thank you for your continued support and we assure you of our best services at all times. Yours truly, OKX

Dear valued customers, We will reopen the deposits and withdrawals of High-performance Blockchain (HPB) from 8am Dec 14, 2018 (CET) as the client upgrade has completed. Please rest assured that the server is in stable operations and all your deposits during the maintenance time will be automatically credited to your account soon. Thank you for your continued support. Regards, OKX Dec 14, 2018

Dear valued customers, We're glad to inform you that the mainnet swap of High-performance Blockchain (HPB) has been completed. All the HPB tokens on OKX has been registered to the mainnet. We will resume the deposit and withdrawal services of HPB from 07:00 November 12, 2018 (CET). Thank you for your patience. Regards, OKX Nov 12, 2018

Thank you for your continued support. Regards, OKX Nov 7, 2018

Dear Valued Customers， We are launching ChainLink(LINK), SALT(SALT), Walton(WTC), 0x(ZRX), Bancor(BNT), Civic(CVC) soon, please take note of the following go-live schedules: 1. LINK, SALT, 1ST, WTC, ZRX, BNT, CVC deposit - 16:00 Dec 11, 2017 (Beijing time) 2. LINK, SALT, 1ST, WTC, ZRX, BNT, CVC spot trading - 16:00 Dec 12, 2017 (Beijing time) 3.

Digital assets, including stablecoins and NFTs, are subject to market volatility, involve a high degree of risk, can lose value, and can even become worthless. Digital assets are not covered by insurance against potential losses. Historical returns are not indicative of future returns. OKX does not provide investment or asset recommendations. You are solely responsible for your investment decisions, and OKX is not responsible for any potential losses.

Audit report from Slowmist on private key module as below: OKX Web3 wallet always provides the safest and most professional multichain wallet services – easy management of over 100 networks and your one-stop Web3 portal to access cross-chain DEX, multi-chain NFT marketplace, and Defi farming. OKX wallet will continue to provide you with better products and services.

Thank you for your continued support and we assure you of our best services at all times. Regards, OKX Dec 26, 2019 (UTC)

Dear valued customers, The mainnet upgrade of High-performance Blockchain (HPB) is complete, the depositing and withdrawal services will resume at 08:30 Dec 27, 2019 (UTC). Thank you for your continued support and we assure you of our best services at all times. Regards, OKX Dec 27, 2019 (UTC)