2021 Interim Results

China Unicom Cloud Poised to Thrive Note: 1. a China unicom中国联通 China Unicom Cloud Revenue¹ (RMB Bil) 4.99 54.1% 7.69 1H2020 1H2021 • China Unicom Cloud is the base for digital transformation & integrated innovation; focusing on security & reliability, cloud-network integration, dedicated customisation & multi-cloud collaboration; providing customers with integrated innovative solutions including cloud resources, cloud platform, cloud service, cloud integration, cloud interconnection, cloud security Aggregate laaS base leveraging virtualization and cloud native dual stack Public Cloud: Facing medium-sized enterprises and small & micro enterprises with deepened cooperation with strategic investors, while exceling in the packaged marketing of "cloud network + X" products Private Cloud: Consolidating resources to focus on building PaaS with fully integrated capability; offering secure & trusted private cloud services to government and enterprise customers leveraging information technology innovation cloud & multi-cloud management capabilities Industry Cloud: Deploying nationwide backbone cloud pools, aggregating innovation capabilities such as Big Data & Al, with the focus on the development of key industries such as government affairs, medical, education & industrial China Unicom Cloud revenue included revenue of cloud resources, cloud platforms, cloud services, cloud integration, cloud interconnection, cloud security, etc., generated from integrated innovative solutions. 2021 Interim Results 23

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