Spirent Communications : Notice of Results

SPIRENT COMMUNICATIONS PLC

Notice of 2016 Half Year Results Presentation

London, UK - 07 July 2016: Spirent Communications plc ('Spirent' or the 'Company') (LSE: SPT), a leading communications technology company, will announce its half year results for the six months ended 30 June 2016 on 2 August before the opening of the UK market.

The Company will host a results presentation at 09.30 UK time on Tuesday 2 August at UBS Limited, 1 Finsbury Avenue, London EC2M 2PP.

A simultaneous webcast of the presentation will be available in the Investors section of the Spirent Communications plc websitehttp://corporate.spirent.com/.

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Enquiries

Eric Hutchinson, Chief Executive Officer		Spirent Communications plc		[phone]
James Melville Ross/Emma Appleton		FTI Consulting		[phone]

About Spirent Communications plc

Spirent Communications plc is a global leader in test and measurement inspiring innovation within development labs, communication networks and IT organisations. We enable today's communication ecosystem as well as tomorrow's emerging enterprises to deploy life enriching communications networks, devices, services and applications. Further information about Spirent Communications plc can be found athttp://corporate.spirent.com/.

Spirent Communications plc Ordinary Shares are traded on the London Stock Exchange (ticker: SPT). The Company operates a Level 1 American Depositary Receipt ('ADR') programme with each ADR representing four Spirent Communications plc Ordinary Shares. The ADRs trade in the US over-the-counter ('OTC') market under the symbol SPMYY and the CUSIP number is 84856M209. Spirent ADRs are quoted on the Pink OTC Markets electronic quotation service which can be found athttp://www.otcmarkets.com/marketplaces/otc-pink.

Spirent and the Spirent logo are trademarks or registered trademarks of Spirent Communications plc. All other trademarks or registered trademarks mentioned herein are held by their respective companies. All rights reserved.