HKT Trust and HKT Limited

HONG KONG, Sept. 26, 2025 /PRNewswire/ -- UCLOUDLINK GROUP INC. ("UCLOUDLINK" or the "Company") (NASDAQ: UCL), the world's first and leading mobile data traffic sharing marketplace, today announced that its groundbreaking product, PetPhone – the world's first smartphone for pets – has been formally procured by CSL, a leading mobile services brand under Hong Kong Telecommunications Limited ("HKT") (HKEX: 6823), through its authorized distributor Qool International Limited. This partnership marks the official commercial launch of PetPhone and attest to the strong market recognition of the product. The Company is also in advanced discussions with multiple other potential strategic partners. PetPhone is a cutting-edge smart device designed to redefine pet care by integrating real-time communication, advanced tracking, health monitoring, and a built-in community for pet lovers.

HKT will distribute PetPhone, featuring with CSL eSIM data, through its consumer-facing mobile brand, CSL. This partnership marks a significant milestone in UCLOUDLINK's global expansion strategy, underscoring the growing demand for its innovative solutions and its market leadership in smart connectivity solutions. This also demonstrates UCLOUDLINK's unique value proposition to mobile network operators globally, offering them additional channels for subscriber acquisition and revenue growth through its innovative portfolio of solutions. HKT's robust network and expansive retail presence in Hong Kong will offer reliable connectivity and convenience to pet owners in the city.

Mr. Chaohui Chen, Director and CEO of UCLOUDLINK, said, "We are excited to partner with HKT to expand the global reach of PetPhone and offer it to more pet-loving households. This partnership highlights the versatility of our GlocalMe ecosystem and our commitment to delivering innovative solutions for diverse consumer needs. PetPhone is not just a device—it's a transformative tool that strengthens the bond between pets and their owners by offering unparalleled safety, health insights, and connectivity. Partnerships with network operators like this form the backbone of our global strategy and will lay the groundwork for future regional expansion globally. This will help accelerate the scaling up of our user base and diversify our revenue streams to a mix of value-added services and mobile data traffic solutions as part of our broader goal of building a comprehensive global mobile data traffic sharing marketplace."

About UCLOUDLINK GROUP INC.

UCLOUDLINK is the world's first and leading mobile data traffic sharing marketplace, pioneering the sharing economy business model for the telecommunications industry. The Company's products and services deliver unique value propositions to mobile data users, handset and smart-hardware companies, mobile virtual network operators (MVNOs) and mobile network operators (MNOs). Leveraging its innovative cloud SIM technology and architecture, the Company has redefined the mobile data connectivity experience by allowing users to gain access to mobile data traffic allowance shared by network operators on its marketplace, while providing reliable connectivity, high speeds and competitive pricing.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates," "confident" and similar statements. Statements that are not historical facts, including but not limited to statements about market size and market opportunity and UCLOUDLINK's beliefs and expectations, are forward-looking statements. Forward looking statements involve inherent risks and uncertainties and are based on assumptions and estimates that may prove to be inaccurate. A number of factors could cause actual results to differ materially from those contained in any forward-looking statement, including but not limited to the following: the development of and competition in the markets and industries UCLOUDLINK operates in and any changes in the regulatory environment; UCLOUDLINK's strategies; UCLOUDLINK's future business development, financial condition and results of operations; UCLOUDLINK's ability to increase its user base and usage of its mobile data connectivity services, and improve operational efficiency; changes in UCLOUDLINK's revenues, costs or expenditures; governmental policies and regulations relating to the global mobile data connectivity service industry, general economic and business conditions globally and in China; the impact of the COVID-19 pandemic to UCLOUDLINK's business operations and the economy in China and elsewhere generally; and assumptions underlying or related to any of the foregoing. Further information regarding these and other risks is included in the Company's filings with the Securities and Exchange Commission. All information provided in this press release and in the attachments is as of the date of the press release, and UCLOUDLINK undertakes no duty to update such information, except as required under applicable law.

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