Exhibit 99.1

Trip.com Group Announces Results of Annual General Meeting

SINGAPORE, June 30, 2025 — Trip.com Group Limited (Nasdaq: TCOM; HKEX: 9961) (“Trip.com Group” or the “Company”), a leading one-stop travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management, today announced that the resolutions as set forth in its notice of annual general meeting have been duly adopted at the annual general meeting of shareholders held in Shanghai today.

About Trip.com Group Limited

Trip.com Group Limited (Nasdaq: TCOM; HKEX: 9961) is a leading global one-stop travel platform, integrating a comprehensive suite of travel products and services and differentiated travel content. It is the go-to destination for many travelers in Asia, and increasingly for travelers around the world, to explore travel, get inspired, make informed and cost-effective travel bookings, enjoy hassle-free on-the-go support, and share travel experience. Founded in 1999 and listed on Nasdaq in 2003 and HKEX in 2021, the Company currently operates under a portfolio of brands, including Ctrip, Qunar, Trip.com, and Skyscanner, with the mission “to pursue the perfect trip for a better world.”

For further information, please contact:

Investor Relations

Trip.com Group Limited

Tel: (+86) 21 3406-4880 X 12229

Email: iremail@trip.com

Trip.com Group Ltd 6-K