JG Aurora Mobile Ltd

Aurora Mobile Limited (NASDAQ: JG) (“Aurora Mobile” or the “Company”), a leading provider of customer engagement and marketing technology services in China, today announced that its push notification product JPush, specifically JPush SDK version 5.2.3 has passed the security test and evaluation in the SDK Security campaign initiated by the China Academy of Information and Communications Technology (“CAICT”).

This security test and evaluation was conducted by CAICT’s Security Research Institute Big Data Application and Security Innovation Lab covering five aspects including SDK basic product security, data storage security, data interaction security, key component security, and code and document security.

As a leading provider of customer engagement and marketing technology services in China, Aurora Mobile has always placed a high value on data protection, data compliance and data security. In doing so, the Company has developed a rigorous compliance review system that covers product development all the way through to launch. Additionally, Aurora Mobile is actively involved in discussions with government agencies and industry associations to help establish industry-wide regulations and standards. Going forward, Aurora Mobile will continue to work hard to protect data security and users’ personal information and to promote the development of compliance in the mobile application industry.

About Aurora Mobile Limited

Founded in 2011, Aurora Mobile (NASDAQ: JG) is a leading provider of customer engagement and marketing technology services in China. Since its inception, Aurora Mobile has focused on providing stable and efficient messaging services to enterprises and has grown to be a leading mobile messaging service provider with its first-mover advantage. With the increasing demand for customer reach and marketing growth, Aurora Mobile has developed forward-looking solutions such as Cloud Messaging and Cloud Marketing to help enterprises achieve omnichannel customer reach and interaction, as well as artificial intelligence and big data-driven marketing technology solutions to help enterprises’ digital transformation.

For more information, please visit https://ir.jiguang.cn/.

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. Among other things, the Business Outlook and quotations from management in this announcement, as well as Aurora Mobile’s strategic and operational plans, contain forward-looking statements. Aurora Mobile may also make written or oral forward-looking statements in its reports to the U.S. Securities and Exchange Commission, in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Statements that are not historical facts, including but not limited to statements about Aurora Mobile’s beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties. 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: Aurora Mobile’s strategies; Aurora Mobile’s future business development, financial condition and results of operations; Aurora Mobile’s ability to attract and retain customers; its ability to develop and effectively market data solutions, and penetrate the existing market for developer services; its ability to transition to the new advertising-driven SAAS business model; its ability to maintain or enhance its brand; the competition with current or future competitors; its ability to continue to gain access to mobile data in the future; the laws and regulations relating to data privacy and protection; general economic and business conditions globally and in China 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 Aurora Mobile undertakes no duty to update such information, except as required under applicable law.

For more information, please contact:

Aurora Mobile LimitedE-mail: ir@jiguang.cn

Christensen

In China Ms. Xiaoyan SuPhone: +86-10-5900-1548E-mail: Xiaoyan.Su@christensencomms.com

In US Ms. Linda Bergkamp Phone: +1-480-614-3004Email: linda.bergkamp@christensencomms.com