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:

15 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:

44,444,175

7.68%

1,125,725

0.19%

(2)

Cash-settled derivatives:

and/or controlled:

819,137

0.14%

44,290,035

7.65%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

45,263,312

7.82%

45,415,760

7.85%

(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

36,374

1.7455 GBP

3 1/3p ordinary

Purchase

19,234

1.7541 GBP

3 1/3p ordinary

Purchase

18,748

1.7509 GBP

3 1/3p ordinary

Purchase

9,405

1.7471 GBP

3 1/3p ordinary

Purchase

7,674

1.7443 GBP

3 1/3p ordinary

Purchase

5,003

1.7529 GBP

3 1/3p ordinary

Purchase

3,330

1.7506 GBP

3 1/3p ordinary

Purchase

1,668

1.7489 GBP

3 1/3p ordinary

Purchase

1,157

1.7549 GBP

3 1/3p ordinary

Purchase

1,048

1.7430 GBP

3 1/3p ordinary

Purchase

680

1.7605 GBP

3 1/3p ordinary

Purchase

408

1.7540 GBP

3 1/3p ordinary

Purchase

10

1.7449 GBP

3 1/3p ordinary

Purchase

4

1.7390 GBP

3 1/3p ordinary

Sale

69,563

1.7430 GBP

3 1/3p ordinary

Sale

41,407

1.7470 GBP

3 1/3p ordinary

Sale

27,248

1.7453 GBP

3 1/3p ordinary

Sale

15,967

1.7498 GBP

3 1/3p ordinary

Sale

6,538

1.7499 GBP

3 1/3p ordinary

Sale

4,231

1.7494 GBP

3 1/3p ordinary

Sale

3,766

1.7443 GBP

3 1/3p ordinary

Sale

3,158

1.7484 GBP

3 1/3p ordinary

Sale

3,040

1.7568 GBP

3 1/3p ordinary

Sale

2,673

1.7481 GBP

3 1/3p ordinary

Sale

1,799

1.7649 GBP

3 1/3p ordinary

Sale

1,071

1.7522 GBP

3 1/3p ordinary

Sale

1,032

1.7520 GBP

3 1/3p ordinary

Sale

1,032

1.7500 GBP

3 1/3p ordinary

Sale

803

1.7487 GBP

3 1/3p ordinary

Sale

688

1.7510 GBP

3 1/3p ordinary

Sale

381

1.7570 GBP

3 1/3p ordinary

Sale

300

1.7441 GBP

3 1/3p ordinary

Sale

38

1.7431 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

69,446

1.7430 GBP

3 1/3p ordinary

SWAP

Decreasing Short

300

1.7441 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,766

1.7443 GBP

3 1/3p ordinary

SWAP

Decreasing Short

232

1.7444 GBP

3 1/3p ordinary

SWAP

Decreasing Short

27,248

1.7453 GBP

3 1/3p ordinary

SWAP

Decreasing Short

27,640

1.7479 GBP

3 1/3p ordinary

SWAP

Decreasing Short

27,712

1.7481 GBP

3 1/3p ordinary

SWAP

Decreasing Short

15

1.7600 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,799

1.7649 GBP

3 1/3p ordinary

SWAP

Increasing Short

2

1.7420 GBP

3 1/3p ordinary

SWAP

Increasing Short

14,721

1.7430 GBP

3 1/3p ordinary

SWAP

Increasing Short

8,666

1.7431 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,674

1.7443 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,879

1.7463 GBP

3 1/3p ordinary

SWAP

Increasing Short

600

1.7482 GBP

3 1/3p ordinary

SWAP

Increasing Short

5,514

1.7493 GBP

3 1/3p ordinary

SWAP

Increasing Short

4

1.7495 GBP

3 1/3p ordinary

SWAP

Increasing Short

18,748

1.7509 GBP

3 1/3p ordinary

SWAP

Increasing Short

5,003

1.7529 GBP

3 1/3p ordinary

SWAP

Increasing Short

8,338

1.7538 GBP

3 1/3p ordinary

SWAP

Increasing Short

10,896

1.7544 GBP

3 1/3p ordinary

SWAP

Increasing Short

945

1.7597 GBP

3 1/3p ordinary

CFD

Decreasing Short

9,958

1.7499 GBP

3 1/3p ordinary

CFD

Decreasing Short

3,812

1.7511 GBP

3 1/3p ordinary

CFD

Increasing Short

2,418

1.7488 GBP

3 1/3p ordinary

CFD

Increasing Short

3,569

1.7519 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:

16 Jan 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213