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:

13 Aug 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:

24,187,094

4.18%

1,056,014

0.18%

(2)

Cash-settled derivatives:

and/or controlled:

521,517

0.09%

23,258,817

4.02%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

24,708,611

4.27%

24,314,831

4.20%

(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

385,453

1.7500 GBP

3 1/3p ordinary

Purchase

41,047

1.7453 GBP

3 1/3p ordinary

Purchase

33,985

1.7485 GBP

3 1/3p ordinary

Purchase

25,226

1.7499 GBP

3 1/3p ordinary

Purchase

12,325

1.7455 GBP

3 1/3p ordinary

Purchase

11,201

1.7449 GBP

3 1/3p ordinary

Purchase

10,239

1.7403 GBP

3 1/3p ordinary

Purchase

8,580

1.7450 GBP

3 1/3p ordinary

Purchase

6,037

1.7423 GBP

3 1/3p ordinary

Purchase

5,168

1.7380 GBP

3 1/3p ordinary

Purchase

4,726

1.7436 GBP

3 1/3p ordinary

Purchase

3,545

1.7481 GBP

3 1/3p ordinary

Purchase

2,084

1.7457 GBP

3 1/3p ordinary

Purchase

1,992

1.7451 GBP

3 1/3p ordinary

Purchase

1,132

1.7425 GBP

3 1/3p ordinary

Purchase

792

1.7490 GBP

3 1/3p ordinary

Purchase

697

1.7430 GBP

3 1/3p ordinary

Purchase

662

1.7400 GBP

3 1/3p ordinary

Purchase

3

1.7390 GBP

3 1/3p ordinary

Sale

371,992

1.7500 GBP

3 1/3p ordinary

Sale

38,272

1.7491 GBP

3 1/3p ordinary

Sale

30,578

1.7392 GBP

3 1/3p ordinary

Sale

16,300

1.7456 GBP

3 1/3p ordinary

Sale

11,201

1.7448 GBP

3 1/3p ordinary

Sale

7,006

1.7401 GBP

3 1/3p ordinary

Sale

6,587

1.7377 GBP

3 1/3p ordinary

Sale

5,168

1.7380 GBP

3 1/3p ordinary

Sale

5,026

1.7412 GBP

3 1/3p ordinary

Sale

3,697

1.7483 GBP

3 1/3p ordinary

Sale

2,759

1.7436 GBP

3 1/3p ordinary

Sale

2,643

1.7493 GBP

3 1/3p ordinary

Sale

1,856

1.7400 GBP

3 1/3p ordinary

Sale

1,730

1.7340 GBP

3 1/3p ordinary

Sale

1,408

1.7417 GBP

3 1/3p ordinary

Sale

896

1.7505 GBP

3 1/3p ordinary

Sale

792

1.7490 GBP

3 1/3p ordinary

Sale

584

1.7540 GBP

3 1/3p ordinary

Sale

282

1.7460 GBP

3 1/3p ordinary

Sale

210

1.7430 GBP

3 1/3p ordinary

Sale

142

1.7350 GBP

3 1/3p ordinary

Sale

3

1.7391 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

47,087

1.7420 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,850

1.7375 GBP

3 1/3p ordinary

CFD

Decreasing Short

2

1.7500 GBP

3 1/3p ordinary

CFD

Increasing Short

4,928

1.7432 GBP

3 1/3p ordinary

CFD

Increasing Short

38,689

1.7500 GBP

3 1/3p ordinary

SWAP

Increasing Short

11,142

1.7391 GBP

3 1/3p ordinary

SWAP

Opening Long

8,725

1.7384 GBP

3 1/3p ordinary

SWAP

Increasing Long

837

1.7394 GBP

3 1/3p ordinary

SWAP

Opening Short

10,090

1.7469 GBP

3 1/3p ordinary

SWAP

Decreasing Short

5,026

1.7412 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,161

1.7467 GBP

3 1/3p ordinary

SWAP

Increasing Short

10,239

1.7403 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,809

1.7479 GBP

3 1/3p ordinary

SWAP

Increasing Short

9,533

1.7500 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,759

1.7436 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,105

1.7423 GBP

3 1/3p ordinary

SWAP

Increasing Short

332

1.7456 GBP

3 1/3p ordinary

SWAP

Decreasing Short

142

1.7350 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,596

1.7407 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,037

1.7423 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,874

1.7452 GBP

3 1/3p ordinary

SWAP

Increasing Short

43,773

1.7483 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,490

1.7500 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:

14 Aug 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213