Form 8.3 - Spirent Communications plc

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR

MORE

Rule 8.3 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Full name of discloser:

Barclays PLC.

(b)

Owner or controller of interest and short

positions disclosed, if different from 1(a):

(c)

Name of offeror/offeree in relation to whose

SPIRENT COMMUNICATIONS PLC

relevant securities this form relates:

(d)

If an exempt fund manager connected with an

offeror/offeree, state this and specify identity of

offeror/offeree:

(e)

Date position held/dealing undertaken:

09 Oct 2024

(f)

In addition to the company in 1(c) above, is the discloser making

NO

disclosures in respect of any other party to the offer?

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)

Interests and short positions in the relevant securities of the offeror or offeree

to which the disclosure relates following the dealing(if any)

Class of relevant security:

3 1/3p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

39,816,364

6.88%

606,186

0.10%

(2)

Cash-settled derivatives:

and/or controlled:

251,430

0.04%

38,772,229

6.70%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

40,067,794

6.92%

39,378,415

6.81%

(b)

Rights to subscribe for new securities (including directors and other executive

options)

Class of relevant security in relation to

which subscription right exists

Details, including nature of the rights

concerned and relevant percentages:

3.

DEALINGS (IF ANY) BY THE EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

3 1/3p ordinary

Purchase

166,219

1.7552 GBP

3 1/3p ordinary

Purchase

50,900

1.7533 GBP

3 1/3p ordinary

Purchase

41,936

1.7538 GBP

3 1/3p ordinary

Purchase

37,679

1.7604 GBP

3 1/3p ordinary

Purchase

34,472

1.7445 GBP

3 1/3p ordinary

Purchase

30,034

1.7440 GBP

3 1/3p ordinary

Purchase

24,233

1.7529 GBP

3 1/3p ordinary

Purchase

22,450

1.7600 GBP

3 1/3p ordinary

Purchase

12,849

1.7392 GBP

3 1/3p ordinary

Purchase

10,697

1.7500 GBP

3 1/3p ordinary

Purchase

6,005

1.7480 GBP

3 1/3p ordinary

Purchase

5,683

1.7300 GBP

3 1/3p ordinary

Purchase

4,272

1.7288 GBP

3 1/3p ordinary

Purchase

3,258

1.7430 GBP

3 1/3p ordinary

Purchase

2,761

1.7455 GBP

3 1/3p ordinary

Purchase

2,463

1.7495 GBP

3 1/3p ordinary

Purchase

1,433

1.7307 GBP

3 1/3p ordinary

Purchase

1,013

1.7427 GBP

3 1/3p ordinary

Purchase

154

1.7260 GBP

3 1/3p ordinary

Purchase

113

1.7295 GBP

3 1/3p ordinary

Sale

44,188

1.7600 GBP

3 1/3p ordinary

Sale

13,675

1.7544 GBP

3 1/3p ordinary

Sale

11,060

1.7641 GBP

3 1/3p ordinary

Sale

10,694

1.7616 GBP

3 1/3p ordinary

Sale

7,075

1.7300 GBP

3 1/3p ordinary

Sale

6,730

1.7399 GBP

3 1/3p ordinary

Sale

3,908

1.7500 GBP

3 1/3p ordinary

Sale

3,258

1.7430 GBP

3 1/3p ordinary

Sale

2,706

1.7422 GBP

3 1/3p ordinary

Sale

2,387

1.7393 GBP

3 1/3p ordinary

Sale

2,133

1.7619 GBP

3 1/3p ordinary

Sale

1,589

1.7269 GBP

3 1/3p ordinary

Sale

1,429

1.7599 GBP

3 1/3p ordinary

Sale

185

1.7299 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

3 1/3p ordinary

SWAP

Decreasing Short

1,589

1.7269 GBP

3 1/3p ordinary

SWAP

Decreasing Short

185

1.7299 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,387

1.7393 GBP

3 1/3p ordinary

SWAP

Decreasing Short

6,730

1.7399 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,706

1.7422 GBP

3 1/3p ordinary

SWAP

Decreasing Short

13,675

1.7544 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,429

1.7599 GBP

3 1/3p ordinary

SWAP

Decreasing Short

10,694

1.7616 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,133

1.7619 GBP

3 1/3p ordinary

SWAP

Decreasing Short

11,060

1.7641 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,433

1.7307 GBP

3 1/3p ordinary

SWAP

Increasing Short

21,744

1.7373 GBP

3 1/3p ordinary

SWAP

Increasing Short

22,974

1.7410 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,013

1.7427 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,586

1.7484 GBP

3 1/3p ordinary

SWAP

Increasing Short

58,548

1.7487 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,021

1.7488 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,811

1.7504 GBP

3 1/3p ordinary

SWAP

Increasing Short

24,233

1.7529 GBP

3 1/3p ordinary

SWAP

Increasing Short

50,900

1.7533 GBP

3 1/3p ordinary

SWAP

Increasing Short

41,936

1.7538 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,237

1.7553 GBP

3 1/3p ordinary

SWAP

Increasing Short

41,786

1.7585 GBP

3 1/3p ordinary

SWAP

Increasing Short

348

1.7593 GBP

3 1/3p ordinary

SWAP

Increasing Short

55,915

1.7600 GBP

3 1/3p ordinary

SWAP

Increasing Short

37,679

1.7604 GBP

3 1/3p ordinary

CFD

Increasing Short

3,204

1.7577 GBP

3 1/3p ordinary

SWAP

Increasing Short

34,472

1.7445 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class

Product

Writing,

Number

Exercise

Type

Expiry

Option

of

description

purchasing,

of

price

date

money

relevant

selling,

securities

per unit

paid/

security

varying etc

to which

received

option

per unit

relates

(ii)

Exercising

Class of relevant

Product description

Exercising/ exercised against

Number of

Exercise price per

security

securities

unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant

Nature of Dealings

Details

Price per unit (if

security

applicable)

4.

OTHER INFORMATION

(a)

Indemnity and other dealings arrangements

Details of any indemnity or option arrangement, or any agreement or understanding,

formal or informal, relating to relevant securities which may be an inducement to deal

or refrain from dealing entered into by the exempt principal trader making the disclosure and any party

to the offer or any person acting in concert with a party to the offer:

NONE

(b)

Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between

the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights of future acquisition or disposal of any relevant securities to which

any derivative is referenced:

NONE

(c)

Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

10 Oct 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213