SHANGHAI, China, April 29, 2024 — GDS Holdings Limited (“GDS Holdings”, “GDS” or the “Company”) (NASDAQ: GDS; HKEX: 9698), a leading developer and operator of high-performance data centers in China and South East Asia, today announced that it has submitted its annual report on Form 20-F for the fiscal year ended December 31, 2023 to the Securities and Exchange Commission (the “SEC”) on April 29, 2024 U.S. Eastern Time. The annual report can be accessed on the Company’s investor relations website at investors.gds-services.com and on the SEC’s website at www.sec.gov. The Company will provide hardcopies of the annual report, free of charge, to its shareholders and ADS holders upon request. Requests should be submitted to . About GDS Holdings Limited GDS Holdings Limited (NASDAQ: GDS; HKEX: 9698) is a leading developer and operator of high-performance data centers in China and South East Asia. The Company’s facilities are strategically located in primary economic hubs where demand for high-performance data center services is concentrated. The Company also builds, operates and transfers data centers at other locations selected by its customers in order to fulfill their broader requirements. The Company’s data centers have large net floor area, high power capacity, density and efficiency, and multiple redundancies across all critical systems. GDS is carrier and cloud-neutral, which enables its customers to access the major telecommunications networks, as well as the largest PRC and global public clouds, which are hosted in many of its facilities. The Company offers co-location and a suite of value-added services, including managed hybrid cloud services through direct private connection to leading public clouds, managed network services, and, where required, the resale of public cloud services. The Company has a 23-year track record of service delivery, successfully fulfilling the requirements of some of the largest and most demanding customers for outsourced data center services in China. The Company’s customer base consists predominantly of hyperscale cloud service providers, large internet companies, financial institutions, telecommunications carriers, IT service providers, and large domestic private sector and multinational corporations. For investor and media inquiries, please contact: GDS Holdings LimitedLaura ChenPhone: +86 (21) 2029-2203Email: ir@gds-services.com Piacente Financial CommunicationsRoss WarnerPhone: +86 (10) 6508-0677Email: GDS@tpg-ir.com Brandi PiacentePhone: +1 (212) 481-2050Email: GDS@tpg-ir.com GDS Holdings Limited