Exhibit 99.1

GDS to Report Second Quarter 2025 Financial Results Before the Open of the U.S. Market on August 20, 2025

SHANGHAI, China, August 6, 2025 (GLOBE NEWSWIRE) -- 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, today announced that it will report its second quarter 2025 unaudited financial results after the close of the Hong Kong market and before the open of the U.S. market on August 20, 2025.

The Company’s management will host an earnings conference call at 8:00 AM U.S. Eastern Time on Wednesday, August 20, 2025 (8:00 PM Hong Kong Time on the same day).

Participants should complete online registration using the link provided below at least 15 minutes before the scheduled start time. Upon registration, participants will receive the conference call access information, including dial-in numbers, a personal PIN and an e-mail with detailed instructions to join the conference call.

Participant Online Registration:

https://register-conf.media-server.com/register/BI9125586716a847c3bbf602d1d87b966a

Additionally, a live and archived webcast of the conference call will be available on the Company’s investor relations website at https://investors.gds-services.com.

About GDS Holdings Limited

GDS Holdings Limited (NASDAQ: GDS; HKEX: 9698) is a leading developer and operator of high-performance data centers in China. The Company’s facilities are strategically located in and around primary economic hubs where demand for high-performance data center services is concentrated. 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 24-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. The Company also holds a non-controlling 35.6% equity interest in DayOne Data Centers Limited which develops and operates data centers in International markets.

For investor and media inquiries, please contact:

GDS Holdings Limited

Laura Chen

Phone: +86 (21) 2029-2203

Email: ir@gds-services.com

Piacente Financial Communications

Ross Warner

Phone: +86 (10) 6508-0677

Email: GDS@tpg-ir.com

Brandi Piacente

Phone: +1 (212) 481-2050

Email: GDS@tpg-ir.com

GDS Holdings Limited