MOBI Development Co., Ltd. — Capital/Financing Update 2018

May 3, 2018

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MOBI Development Co., Ltd. 摩比發展有限公司

(incorporated in the Cayman Islands with limited liability)

(Stock Code: 947)

VOLUNTARY ANNOUNCEMENT

BUSINESS UPDATE

This announcement is made by the board of directors (the “ Board ”) of MOBI Development Co., Ltd. (the “ Company ”, together with its subsidiaries, collectively the “ Group ”).

The Board is pleased to announce that the Company has received stable customer orders recently. In April 2018, the production volume (“ production ”) of antenna system products increased by approximately 46% year-on-year, with a year-on-year growth of approximately 20% in accumulated production from January to April 2018. Among which, the production of antenna system products for international direct sale customers increased by approximately 100% year-on-year during April 2018, with a year-on-year growth of approximately 110% in accumulated production from January to April 2018. The production of RF subsystem products for international system equipment manufacturers increased by approximately 12% year-on-year during April 2018, with a year-on-year growth of approximately 44% in accumulated production from January to April 2018.

For antenna products, the Company achieved significant breakthroughs in overseas direct sale markets during 2017. In 2018, a substantial number of orders will be executed and new orders will continue to grow. Meanwhile, in the second half of 2017, the Company has secured shares in various biddings for major projects of China Mobile and China Telecom, which will enter the scale delivery stage in 2018. Earlier today, MOBI Antenna Technologies (Shenzhen) Co. Ltd., a subsidiary of the Group, was notified by China Unicom that it has won bids in an aggregate amount of approximately RMB217 million under China Unicom’s 2018-2019 centralised

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procurement program for antenna products, being the largest amount of successful bids under such program. For RF subsystem products, several new projects between the Company and international system equipment manufacturers are ramping up production with increased orders from January to April 2018.

Hence, in order to meet the demands for the delivery of the orders as mentioned above, the production bases of the Company in Shenzhen and Ji’an have been fully and steadily put into operation. The Company will consider whether it is necessary to have additional staff and equipment in place based on the orders to be made by customers. At the same time, the Company will continue to improve its industrial layout across China and staff output efficiency, thereby maximizing operating efficiency.

The above production and sales information is based on the Group’s internal statistics which have not been reviewed or audited by the external auditors of the Company. Differences may arise between such information and the information disclosed in subsequent interim and annual reports. Shareholders and potential investors are cautioned not to unduly rely on such information and are advised to exercise caution when dealing in the shares of the Company.

By Order of the Board MOBI Development Co., Ltd. HU Xiang Chairman

Hong Kong, 3 May 2018

As at the date of this announcement, the executive Directors of the Company are Mr. HU Xiang, Mr. LIAO Dong and Mr. CHEN Zhaojun; the non-executive Director is Mr. QU Deqian; and the independent non-executive Directors are Mr. LI Tianshu, Mr. ZHANG Han and Mr. LI Guinian.

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