Company Announcements

SPIRENT COMMUNICATIONS PLC

RESULTS OF 2019 ANNUAL GENERAL MEETING

London, UK - 1 May 2019: Spirent Communications plc ("the Company") (LSE: SPT), a leading communications technology company, announces that at the 2019 Annual General Meeting ("2019 AGM") of the Company held earlier today, all resolutions as set out in the Notice of 2019 AGM dated 27 March 2019 were duly passed by shareholders on a show of hands.

In accordance with Listing Rule 9.6.18R, the following resolutions are those which were passed at the meeting concerning special business (as defined by the Company):

Resolution 14: Approval of the authority for the directors to allot securities;

Resolution 15: Approval of the authority for the Company to disapply pre-emption rights;

Resolution 16: Approval of the authority for the Company to market purchase up to 9.99 per cent of its own shares; and

Resolution 17: Approval of the authority for the Company to call a general meeting on not less than 14 clear days' notice.

Certified copies of the document setting out the above resolutions passed at the 2019 AGM have been submitted to the National Storage Mechanism and will shortly be available for inspection at www.morningstar.co.uk/uk/NSM

The results of the proxy voting in advance of the meeting and Notice of 2019 AGM (giving the full text of each of the above resolutions) can be viewed by visiting our website at https://corporate.spirent.com/Investors/Shareholder_Meetings.

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About Spirent Communications plc

Spirent Communications plc (LSE: SPT) offers test, measurement, analytics and assurance solutions for next-generation devices and networks.  Spirent provides products, services and information solutions for high-speed Ethernet, positioning mobile network infrastructure markets, with expanding focus on service assurance, cybersecurity and 5G. Spirent is accelerating the transition of connected devices, network equipment and applications from development labs to the operational network, as it continues to innovate toward fully-automated testing and autonomous service assurance solutions.  Further information about Spirent Communications plc can be found at https://corporate.spirent.com/.

Spirent Communications plc Ordinary Shares are traded on the London Stock Exchange (ticker: SPT; LEI: 213800HKCUNWP1916L38).  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 at http://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.

Cautionary statement regarding forward-looking statements

This document may contain forward-looking statements which are made in good faith and are based on current expectations or beliefs, as well as assumptions about future events.  You can sometimes, but not always, identify these statements by the use of a date in the future or such words as "will", "anticipate", "estimate", "expect", "project", "intend", "plan", "should", "may", "assume" and other similar words.  By their nature, forward-looking statements are inherently predictive and speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future.  You should not place undue reliance on these forward-looking statements, which are not a guarantee of future performance and are subject to factors that could cause our actual results to differ materially from those expressed or implied by these statements.  The Company undertakes no obligation to update any forward-looking statements contained in this document, whether as a result of new information, future events or otherwise.