PEN A new dedicated "CCI number" field will be added for several payment methods: Bank transfers, Interbank, Scotiabank Peru, and Banco de Credito. Please update your 20-digit "CCI number" to continue using these payment methods seamlessly. 4. ARS A new validation rule (numbers 0-9 only, length: 22) will be applied to the "CBU/CVU" field for all ARS payment methods that include it.

Perpetual futures trading OPUSD perpetual futures: Features Details Underlying OP/USD index Settlement crypto OP Face value 10 USD Price quotation 1 OP value calculated in USD equivalent Tick size 0.0001 Leverage 0.01-20x Funding fee Clamp(MA([(Best bid + Best offer) / 2 – Spot index price] / Spot index price – Interest), -0.75%, 0.75%), Interest = 0 Note: Funding fees are received and deducted based on the current period.

Crypto Minimum subscription amount Sell high Buy low OP 10 OP 10 USDT MASK 1 MASK 10 USDT LINK 1 LINK 10 USDT OKX July 6, 2023

OKX is pleased to announce the listing of Optimism’s OP token on our spot trading markets. Trading of OP will start according to the following schedule: OP deposits open at 16:30 pm UTC on May. 31 OP/USDT, OP/USDC Spot trading: OKX will list OP in the first time if the OP token deposit meets the standard.

Dear OKX users： OKX will support the Optimism (OP) network upgrade and hard fork. The Optimism (OP) network upgrade and hard fork will take place at 04:00pm June 6, 2023 (UTC). Deposits and withdrawals of OP will be suspended starting from 03:50pm June 6, 2023 (UTC). Please note: Trading activities involving OP will remain uninterrupted during the network upgrade and hard fork. The Optimism (OP) network upgrade and hard fork will not spawn new tokens.

Perpetual Swap Trading OPUSDT Perpetual Swap: Feature Details Underlying OP/USDT Index Settlement asset USDT Face value 1 OP Price quotation 1 OP value calculated in USDT equivalent Tick size 0.0001 Leverage 0.01-75 x Funding rate Clamp(MA(((best bid + best offer) / 2 - spot index price)／spot index price - interest), -0.75%, 0.75%), interest = 0 Trading hours 24/7 Note: When the new contract is launched, the premium is unstable.

We’ll be supporting the Optimism (OP), MANTA, BASE, MODE, WORLD, and LISK networks' mainnet upgrade and Hard Fork. We’ll suspend deposits and withdrawals of OP, MANTA, BASE, MODE, WORLD, and LISK tokens, as well as tokens belonging to these networks at 4:00 pm UTC on January 9, 2025. The services will resume once the upgraded networks are stable without further announcement.

Deposits and withdrawals of OP tokens and tokens belonging to its network will be suspended at 3:00 pm UTC on January 11, 2024. We will resume deposits and withdrawals for impacted tokens on the OP network once the upgraded OP network is stable. We won’t be making a separate announcement once this is complete. For the safety of your funds, do not make any further withdrawals or deposits of OP tokens and tokens belonging to its network during the upgrade period.

The trading of ETH, OP, ARB and ERC-20 tokens and tokens belonging to Optimism (OP), Arbitrum (ARB) and zkSync Lite networks will not be affected during this network upgrade. The Ethereum (ETH) network upgrade will take place at epoch 194,048. The estimated time is for your reference only. OKX will handle all technical requirements involved for all users holding ETH, OP, ARB and ERC-20 tokens and tokens belonging to Optimism (OP), Arbitrum (ARB) and zkSync Lite networks in their OKX accounts.

You don’t need to do anything if you hold any OP or ARB tokens and tokens belonging to the OP or ARB network in your account. We will handle all technical requirements involved. For more details on the network upgrade, please visit: Ecotone OP Mainnet Upgrade ArbOS 20 Atlas Upgrade OKX team March 12, 2024

Also on tax returns or social security statements. • https://www.oecd.org/content/dam/oecd/en/topics/policy-issue-focus/aeoi/poland-tin.pdf • www.gov.pl/finanse Portugal For tax purposes: Número de Identificação Fiscal (NIF) (also referred to as “Número de Contribuinte”) Digits: The NIF is composed of nine sequential digits Format: 123456789 You can find your Número de Identificação Fiscal (NIF) on your Portuguese Citizen Card, on your NIF registration document, or by logging into the Portal das

Dear OKX users: As mentioned in the official announcement, the OP Mainnet upgrade to the Bedrock release will take place on June 6, 2023 at 16:00 UTC! There will be 2-4 hours of downtime. At the same time, our OKX Web3 Wallet Service will be impacted. We will resume our services once the upgrade is done. More about OP Bedrock: https://community.optimism.io/docs/developers/bedrock/ OKX Web3 Wallet will continue to provide you with better products and services! OKX June 6, 2023 (UTC)

/USD Binance OP/USDT 33.33% Binance OP/USDT 26.66% Coinbase OP/USD 20.00% Coinbase OP/USD 20.00% Gate OP/USDT 6.66% Gate OP/USDT 13.33% Kucoin OP/USDT 6.66% Kucoin OP/USDT 13.33% OKX OP/USDT 33.33% OKX OP/USDT 26.66% OP/USDC Binance OP/USDT 27.77% Binance OP/USDT 22.22% Bybit OP/USDT 16.66% Bybit OP/USDT 16.66% Coinbase OP/USD 16.66% Coinbase OP/USD 16.66% Gate OP/USDT 5.55% Gate OP/USDT 11.11% Kucoin OP/USDT 5.55% Kucoin OP/USDT 11.11% OKX OP/USDC 27.77% OKX OP/USDC 22.22% OP/USDT Binance OP/USDT

Type Trading pair Tick size (before) Tick size (after) Perpetual OP/USDT 0.001 0.0001 Spot OP/USDT 0.001 0.0001 Spot OP/USDC 0.001 0.0001 Spot WGRT/USDT 0.00001 0.000001 Risk warning During the tick size adjustment period, trading for the pairs adjusted to fewer decimal places (e.g., from 0.0001 to 0.01) will be temporarily suspended for 2 minutes. During this suspension, you will not be able to transfer funds, place, adjust, or cancel orders for the affected pairs.

We will support the Ethereum (ETH) network upgrade and hard fork: Deposits and withdrawals for Ethereum (ETH), Xlayer (OKB), Arbitrum (ARB), Optimism (OP), Base (BASE), Starknet (STRK), zkSync Era, Linea, Unichain and related tokens will be suspended at 09:30 pm UTC on December 3, 2025. Services will resume once the upgraded network is stable, without further announcement. No action is required if you hold these tokens in your OKX account.