Holding(s) in Company

RNS Number : 0930M

Spirent Communications PLC

11 July 2014




TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ⁱⁱ		SPIRENT COMMUNICATIONS PLC
2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights			Y
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):
3. Full name of person(s) subject to the notification obligation: ⁱⁱⁱ	FMR LLC
4. Full name of shareholder(s) (if different from 3.):^iv	See Section 9
5. Date of the transaction and date on which the threshold is crossed or reached: ^v	9th July 2014
6. Date on which issuer notified:	10th July 2014
7. Threshold(s) that is/are crossed or reached: ^{vi, vii}	5%

8. Notified details:

A: Voting rights attached to shares ^{viii, ix}

Class/type of
shares

if possible using
the ISIN CODE

Situation previous
to the triggering
transaction

Resulting situation after the triggering transaction

Number
of
Shares

Number
of
Voting
Rights

Number
of shares

Number of voting
rights

% of voting rights ^x

Indirect

Direct ^xi

Indirect ^xii

Direct

Indirect

GB0004726096

30,530,400

30,998,000

5.06

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial
instrument

Expiration
date ^xiii

Exercise/
Conversion Period ^xiv

Number of voting
rights that may be
acquired if the
instrument is
exercised/ converted.

% of voting
rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments ^{xv, xvi}

Resulting situation after the triggering transaction

Type of financial
instrument

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

30,998,000

5.06

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: ^xxi


Sum of Factored Shares Held
Custodian	Day to Day IM	Total
BROWN BROTHERS HARRIMAN AND CO	FMR H.K.-FIDELITY MANAGEMENT & RESEARCH (HONG KONG) LIMITED	6,208,832
	FMRC-FMR CO., INC	1,120,500
	PGALLC-PYRAMIS GLOBAL ADVISORS, LLC	270,200
	PGATC-PYRAMIS GLOBAL ADVISORS TRUST COMPANY	2,574,900
JPMORGAN CHASE BANK	FMR H.K.-FIDELITY MANAGEMENT & RESEARCH (HONG KONG) LIMITED	9,470,568
	PGALLC-PYRAMIS GLOBAL ADVISORS, LLC	551,300
	PGATC-PYRAMIS GLOBAL ADVISORS TRUST COMPANY	19,700
MELLON BANK NA (C)	FMR JAPAN-FIDELITY MANAGEMENT & RESEARCH (JAPAN) INC.	4,227,000
	PGALLC-PYRAMIS GLOBAL ADVISORS, LLC	458,600
	PGATC-PYRAMIS GLOBAL ADVISORS TRUST COMPANY	1,142,600
NORTHERN TRUST CO (C)	PGATC-PYRAMIS GLOBAL ADVISORS TRUST COMPANY	899,100
STATE STREET BANK AND TR CO	FMRC-FMR CO., INC	46,800
	PGALLC-PYRAMIS GLOBAL ADVISORS, LLC	283,700
	PGATC-PYRAMIS GLOBAL ADVISORS TRUST COMPANY	3,724,200
Grand Total		30,998,000