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 Jan 2025

(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:

45,320,640

7.83%

1,003,898

0.17%

(2)

Cash-settled derivatives:

and/or controlled:

688,667

0.12%

45,158,964

7.80%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

46,009,307

7.95%

46,162,862

7.98%

(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

646,400

1.7360 GBP

3 1/3p ordinary

Purchase

147,716

1.7580 GBP

3 1/3p ordinary

Purchase

60,458

1.7537 GBP

3 1/3p ordinary

Purchase

22,915

1.7546 GBP

3 1/3p ordinary

Purchase

3,906

1.7589 GBP

3 1/3p ordinary

Purchase

3,799

1.7513 GBP

3 1/3p ordinary

Purchase

3,600

1.7396 GBP

3 1/3p ordinary

Purchase

3,376

1.7525 GBP

3 1/3p ordinary

Purchase

3,326

1.7554 GBP

3 1/3p ordinary

Purchase

1,504

1.7264 GBP

3 1/3p ordinary

Purchase

1,139

1.7571 GBP

3 1/3p ordinary

Purchase

876

1.7621 GBP

3 1/3p ordinary

Purchase

188

1.7540 GBP

3 1/3p ordinary

Purchase

145

1.7620 GBP

3 1/3p ordinary

Purchase

7

1.7500 GBP

3 1/3p ordinary

Purchase

1

1.7370 GBP

3 1/3p ordinary

Sale

42,400

1.7198 GBP

3 1/3p ordinary

Sale

35,507

1.7537 GBP

3 1/3p ordinary

Sale

8,857

1.7283 GBP

3 1/3p ordinary

Sale

8,534

1.7575 GBP

3 1/3p ordinary

Sale

8,404

1.7404 GBP

3 1/3p ordinary

Sale

8,141

1.7581 GBP

3 1/3p ordinary

Sale

6,034

1.7578 GBP

3 1/3p ordinary

Sale

3,797

1.7541 GBP

3 1/3p ordinary

Sale

3,585

1.7530 GBP

3 1/3p ordinary

Sale

3,530

1.7488 GBP

3 1/3p ordinary

Sale

3,337

1.7564 GBP

3 1/3p ordinary

Sale

3,171

1.7270 GBP

3 1/3p ordinary

Sale

2,776

1.7582 GBP

3 1/3p ordinary

Sale

2,501

1.7580 GBP

3 1/3p ordinary

Sale

1,468

1.7361 GBP

3 1/3p ordinary

Sale

1,454

1.7348 GBP

3 1/3p ordinary

Sale

1,067

1.7399 GBP

3 1/3p ordinary

Sale

959

1.7229 GBP

3 1/3p ordinary

Sale

654

1.7484 GBP

3 1/3p ordinary

Sale

320

1.7590 GBP

3 1/3p ordinary

Sale

10

1.7600 GBP

3 1/3p ordinary

Sale

9

1.7610 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

42,400

1.7198 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,241

1.7227 GBP

3 1/3p ordinary

SWAP

Decreasing Short

320

1.7269 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,171

1.7270 GBP

3 1/3p ordinary

SWAP

Decreasing Short

8,857

1.7283 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,468

1.7361 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,172

1.7380 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,067

1.7399 GBP

3 1/3p ordinary

SWAP

Decreasing Short

7,814

1.7404 GBP

3 1/3p ordinary

SWAP

Decreasing Short

654

1.7484 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,530

1.7488 GBP

3 1/3p ordinary

SWAP

Decreasing Short

32,394

1.7537 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,337

1.7564 GBP

3 1/3p ordinary

SWAP

Decreasing Short

32,500

1.7576 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,471

1.7579 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,504

1.7264 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,396

1.7355 GBP

3 1/3p ordinary

SWAP

Increasing Short

646,400

1.7360 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,600

1.7396 GBP

3 1/3p ordinary

SWAP

Increasing Short

306

1.7431 GBP

3 1/3p ordinary

SWAP

Increasing Short

2

1.7465 GBP

3 1/3p ordinary

SWAP

Increasing Short

111

1.7469 GBP

3 1/3p ordinary

SWAP

Increasing Short

4

1.7497 GBP

3 1/3p ordinary

SWAP

Increasing Short

7

1.7500 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,799

1.7512 GBP

3 1/3p ordinary

SWAP

Increasing Short

16,419

1.7516 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,376

1.7524 GBP

3 1/3p ordinary

SWAP

Increasing Short

22,915

1.7546 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,326

1.7554 GBP

3 1/3p ordinary

SWAP

Increasing Short

946

1.7563 GBP

3 1/3p ordinary

SWAP

Increasing Short

184,915

1.7580 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,922

1.7597 GBP

3 1/3p ordinary

CFD

Decreasing Short

2,618

1.7410 GBP

3 1/3p ordinary

CFD

Increasing Short

381

1.7576 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 Jan 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213