TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES
1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii
Spirent Communications plc
2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights
Other (please specify): 'To reflect both the % of 'Voting rights attached to shares' and 'Qualifying Financial Instruments' position held by Prudential plc group of companies as at 28 October, 2016.
Due to an erroneous calculation, we missed a disclosure reflecting our % of 'Voting rights attached to shares' position moving below 10% on 27th October, 2016. This issue been rectified however we have since increased our position back over 10% as at 03 November, 2016. Please see the notification made on 7th November 2016.
X
3. Full name of person(s) subject to thenotification obligation: iii
Prudential plc group of companies
4. Full name of shareholder(s) (if different from 3.):iv
Prudential plc
The Prudential Assurance Company Limited
M&G Group Limited
M&G Limited
M&G Investment Management Limited
5. Date of the transaction and date onwhich the threshold is crossed orreached: v
27 October 2016
6. Date on which issuer notified:
07 November 2016
7. Threshold(s) that is/are crossed orreached: vi, vii
See item 13
8. Notified details:
A: Voting rights attached to shares viii, ix
Class/type ofshares
if possible usingthe ISIN CODE
Situation previousto the triggeringtransaction
Resulting situation after the triggering transaction
NumberofShares
NumberofVotingRights
Numberof shares
Number of votingrights
% of voting rights x
Direct
Direct xi
Indirect xii
Indirect
ORD GBP0.03333
GB0004726096
64,310,980
61,159,986
0
9.99%
B: Qualifying Financial Instruments
Type of financialinstrument
Expirationdate xiii
Exercise/Conversion Period xiv
Number of votingrights that may beacquired if theinstrument isexercised/ converted.
% of votingrights
(Right of Recall)
552,774
0.09%
C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi
Exercise price
Expiration date xvii
Exercise/Conversion period xviii
Number of voting rights instrument refers to
% of voting rights xix, xx
Nominal
Delta
Total (A+B+C)
Number of voting rights
Percentage of voting rights
61,712,760
10.08%
9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi
Prudential plc (parent Company) - 61,712,760 (10.08%)
The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc) - 50,592,299 (8.27%)
M&G Group Limited (wholly owned subsidiary of Prudential plc) - 61,712,760 (10.08%)
M&G Limited (wholly owned subsidiary of M&G Group Limited) - 61,712,760 (10.08%)
M&G Investment Management Limited (wholly owned subsidiary of M&G Limited) - 61,712,760 (10.08%)
Proxy Voting:
10. Name of the proxy holder:
N/A
11. Number of voting rights proxy holder will ceaseto hold:
12. Date on which proxy holder will cease to holdvoting rights:
13. Additional information:
Prudential plc has moved below a 10% indirect notifiable interest, excluding the right of recall under the Qualifying Financial Instruments.
14. Contact name:
Owen Smith / John Baker / James Todd
15. Contact telephone number:
020 7004 4517 / 020 7548 2561 / 020 7548 2293
C: Additional information
Contact at Issuer: Michelle Balch, Deputy Company Secretary, Spirent Communications plc
Telephone: 01293 767676