Rule 2.9 Announcement

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF THAT JURISDICTION

FOR IMMEDIATE RELEASE

18 December 2019

LightwaveRF plc ("Lightwave" or "Company")

(AIM:LWRF)

Rule 2.9 Announcement

In accordance with Rule 2.9 of the City Code on Takeovers and Mergers, the Company confirms that following the admission to trading of the Deferred Settlement Shares on 18 December, 2019, as referred to in the announcement dated 17 December 2019, it has 123,583,446 ordinary shares of 5 pence each in issue and admitted to trading on AIM. There are no ordinary shares in treasury. Accordingly, the total number of voting rights in the Company is 123,583,446. The International Securities Identification Number ('ISIN') for the Company's ordinary shares is GB00BKJ9BV58.

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