Dear OSL Global Users,

In response to the overwhelming community enthusiasm for the USDGO (USDGO) StableHub Rewards event, we are pleased to announce that the event duration will be extended to allow continued participation from our users. During the extension period, the maximum rewards rate will be adjusted to up to 5%.

Event Rules

Hold USDGO – Enjoy Up to 5% Rewards (For All Users)

Event Start Date: May 26th, 2026, 00:00 (UTC+0)

Duration: Please refer to the activity page for the actual duration. The platform may extend the activity at its discretion based on user demand without further notice. During the event, users holding USDGO will get:

• a rewards rate of up to 5% on the first 30,000 USDGO

• a rewards rate of up to 3.27% on amounts exceeding 30,000 USDGO (rate subject to real-time adjustment; refer to the displayed rewards rate on the event page)

The total reward pool of the event is 200,000 USDGO. OSL calculates rewards hourly and distributes rewards daily based on user holdings until the pool is fully allocated.

Please Notes:

• OSL takes hourly snapshots of user holdings to calculate users' rewards for holding assets. Once a user holds USDGO, rewards will be automatically calculated. The rewards will be deposited into users' Funding Account every day after the event starts. User rewards will be refreshed daily.

About USDGO (USDGO)

USDGO is a US dollar stablecoin that operates under the framework of the GENIUS Act, is federally regulated, audited by third parties, and fully complies with the highest standards of Anti Money Laundering (AML) and Know Your Customer (KYC) requirements. It is backed by high-quality Current Assets, including US Treasury bonds, with a 1:1 collateral. USDGO is published by Anchorage Digital Bank and operated by OSL Group as its brand operator. With its enterprise-level services, USDGO aims to connect the Web3 industry with traditional finance through on-chain operations, becoming a compliance liquidity management and settlement tool. Through compliance payment channels, efficient enterprise treasury management, and diverse digital asset channels, USDGO can assist enterprises in coordinating global funds and is committed to empowering the real economy in the long run.

Learn more about USDGO: Website

About OSL Group

OSL Group (HKEX: 863) is Asia's leading stablecoin trading and payment platform that strives to provide compliant and efficient digital financial infrastructure services globally, empowering enterprises, financial institutions and individuals to seamlessly exchange, pay, trade, and settle between fiat and digital currencies. Grounded in the core values of Open, Secure, and Licensed, it is committed to building a more efficient ecosystem that connects global markets and enables instant, seamless and compliant value movement worldwide.

Disclaimer: This announcement is for informational purposes only and does not constitute financial, investment, or trading advice, nor an offer or solicitation to trade. OSL does not guarantee the accuracy or completeness of this information and shall not be held liable for its use. Digital assets are highly speculative, volatile, and may become illiquid; investors risk losing their entire investment. Information herein may not be suitable for all persons or permitted in certain jurisdictions. You are responsible for conducting your own research, evaluating your risk appetite, and ensuring compliance with local laws before trading.

OSL Bermuda Limited is licensed to conduct digital asset business by the Bermuda Monetary Authority.