Announcement on Action Adjustment of CRWD Stock Perpetual Contract Company by Ouyi This is a general announcement, and the availability of tokens or products may vary by region. Please check the details in the application. OKX has launched the perpetual contract CRWD/USDT, and its underlying stock CRWD (CrowdStrike Holdings, Inc.) has announced a 4-for-1 split of its Class A common stock (distributed in the form of stock dividends, with an additional 3 shares for every 1 share held). To maintain price consistency between the CRWD/USDT perpetual contract and the underlying spot, Ouyi will make corresponding adjustments to the contract when the underlying stock split takes effect. Please refer to the document for detailed company action adjustment rules. This adjustment is a value neutral operation and will not change the nominal value and unrealized gains or losses of user positions. The detailed arrangement is as follows: 1. The key information items of the target stock split The target CrowdStrike Holdings, Inc. (Nasdaq: CRWD, Class A ordinary shares) company announcement date June 3, 2026 The split ratio was 4 to 1 (1 share → 4 shares, 3 additional shares were obtained per share) The stock dividend The starting date of the post split price adjustment transaction July 2, 2026 (from the opening of the U.S. stock market East Time) The official announcement reference: CrowdStrike official press release (4-for-1 split) SEC Form 8-K (2026-06-03) II. The contract adjustment time The contract adjustment will be The index is switched to the price grid after the stock split, which is expected to start at about 08:30 (UTC+8) on July 2, 2026. During the adjustment period, trading of the CRWD/USDT perpetual contract will be temporarily suspended. Please manage your positions and orders in advance. 3、 The time of completion of the adjustment before the adjustment of the contract parameter adjustment scheme parameter indicates that the index price/marked price before the stock split automatically reflects that the price after the stock split follows the underlying spot index by about 1/4. There is no need for manual intervention in the number of positions N (pieces/share) N × 4 Enlarge the average price of positions/average price of opening positions P Mark the price positions after the adjustment to settle the closing positions at the marked price before the adjustment, and reopen the positions at the marked price after the adjustment (nominal value of positions × price) - basically unchanged. Minor differences may occur due to rounding, and the differences remain in the account balance. The original unrealized profits and losses UPL0 Converted to realized gains and losses, included in account balance, account equity - maintain unchanged balance+unrealized gains and losses total unchanged, value neutral margin occupancy - maintain unchanged/initial margin rate recalculated at the new price, forced liquidation price recalculated proportionally (approximately ÷ 4), system automatically recalculates hanging orders and take profit stop loss - price and quantity adjusted proportionally, buy order price rounded down, sell order price rounded up. Please check all orders for moving take profit stop loss/planned orders/tracking orders/strategy orders after resuming trading - cancel or pause. Please reconfigure the contract face value/contract multiplier after resuming trading - remain unchanged. This time only adjusts the position quantity and average price accuracy/minimum change price - usually unchanged, and in rare cases may be adjusted to a lower price level after stock split. Fund rate/settlement period/trading time - remain unchanged. Maintain 8-hour settlement, 7 × 24-hour trading. 4. Risk warning: Trading suspension: During the Rebase period, all trading activities are suspended, and you cannot place, change or cancel orders. Please plan your storage space in advance. Rounding difference: During the Rebase period, prices and open positions will be aligned to price accuracy and minimum order quantity, which may result in small rounding differences that will be settled as balance adjustments. Please check your order after rebase: Please check all pending orders, take profit, stop loss, and strategy configurations after rebase is completed to confirm that your position is properly protected. Not involving equity: perpetual stock contracts are derivative contracts. Rebase does not grant you any ownership or claim rights over the shares of the underlying company. The contract is only settled in cash in USDT. Advance notice: OKX will notify you before, during, and after each rebase. Please pay attention to OKX announcements and in app notifications. In case of temporary or urgent rebase, advance notice may be shortened or unavailable. OKX's discretion: In special circumstances (including but not limited to system accidents, market disruptions, or regulatory requirements), OKX reserves the right to modify, delay, or cancel planned stock consolidation adjustments. At that time, OKX will notify users as soon as reasonably feasible. Ouyi will continue to provide you with better products and services! Ouyi Team June 22, 2026