RNS Number : 2601H

Spirent Communications PLC

23 March 2020

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i
1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii:			Spirent Communications plc
1b. Please indicate if the issuer is a non-UK issuer  (please mark with an "X" if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights						X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify)iii:
3. Details of person subject to the notification obligationiv
Name			JPMorgan Asset Management Holdings Inc.
City and country of registered office (if applicable)			Wilmington, Delaware, USA
4. Full name of shareholder(s) (if different from 3.)v
Name			JPMorgan Asset Management (UK) Limited               J.P. Morgan Investment Management Inc. JPMorgan Asset Management (Taiwan) Limited China International Fund Management Co., Ltd. JPMorgan Chase Bank, National Association
City and country of registered office (if applicable)			London, United Kingdom
5. Date on which the threshold was crossed or reachedvi:			19 March 2020
6. Date on which issuer notified (DD/MM/YYYY):			20 March 2020
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (total of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights of issuervii
Resulting situation on the date on which threshold was crossed or reached	4.67%	0.82%		5.49%	611,741,888
Position of previous notification (if applicable)	4.90%	0.88%		5.77%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rightsix					% of voting rights
		Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)		Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)			Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)		Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)
GB0004726096				28,589,664					4.67%
SUBTOTAL 8. A		28,589,664					4.67%
B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))
Type of financial instrument		Expiration datex	Exercise/ Conversion Periodxi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
			SUBTOTAL 8. B 1
B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))
Type of financial instrument	Expiration datex		Exercise/ Conversion Period xi		Physical or cash settlementxii			Number of voting rights	% of voting rights
Cash-settled Equity Swap	n/a		n/a		Cash			5,019,350	0.82%
					SUBTOTAL 8.B.2			5,019,350	0.82%

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)				X
Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management International Limited
JPMorgan Asset Management Holdings (UK) Limited
JPMorgan Asset Management (UK) Limited
JPMorgan Asset Management Holdings Inc.
J.P. Morgan Investment Management Inc.
JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (Asia) Inc.
JPMorgan Asset Management (Taiwan) Limited
JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management International Limited
JPMorgan Asset Management Holdings (UK) Limited
JPMorgan Asset Management (UK) Limited
China International Fund Management Co., Ltd.
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association
10. In case of proxy voting, please identify:
Name of the proxy holder		N/A
The number and % of voting rights held		N/A
The date until which the voting rights will be held		N/A
11. Additional informationxvi
Chain of controlled undertakings: JPMorgan Asset Management Holdings Inc. (100%) JPMorgan Asset Management International Limited (100%) JPMorgan Asset Management Holdings (UK) Limited (100%) JPMorgan Asset Management (UK) Limited (100%) JPMorgan Asset Management Holdings Inc. (100%) J.P. Morgan Investment Management Inc. (100%) JPMorgan Asset Management Holdings Inc. (100%) JPMorgan Asset Management (Asia) Inc. (100%) JPMorgan Asset Management (Taiwan) Limited (100%) JPMorgan Asset Management Holdings Inc. (100%) JPMorgan Asset Management International Limited (100%) JPMorgan Asset Management Holdings (UK) Limited (100%) JPMorgan Asset Management (UK) Limited (100%) China International Fund Management Co., Ltd. (100%) JPMorgan Chase & Co. JPMorgan Chase Bank, National Association (100%)

Place of completion	London, United Kingdom
Date of completion	20 March 2020

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