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:

08 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:

23,773,879

4.11%

1,106,742

0.19%

(2)

Cash-settled derivatives:

and/or controlled:

521,517

0.09%

22,680,602

3.92%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

24,295,396

4.20%

23,787,344

4.11%

(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

1,950,000

1.7564 GBP

3 1/3p ordinary

Purchase

167,831

1.7660 GBP

3 1/3p ordinary

Purchase

83,353

1.7600 GBP

3 1/3p ordinary

Purchase

73,706

1.7587 GBP

3 1/3p ordinary

Purchase

60,382

1.7585 GBP

3 1/3p ordinary

Purchase

49,973

1.7602 GBP

3 1/3p ordinary

Purchase

46,849

1.7579 GBP

3 1/3p ordinary

Purchase

28,621

1.7679 GBP

3 1/3p ordinary

Purchase

17,899

1.7589 GBP

3 1/3p ordinary

Purchase

14,228

1.7570 GBP

3 1/3p ordinary

Purchase

9,504

1.7611 GBP

3 1/3p ordinary

Purchase

8,623

1.7625 GBP

3 1/3p ordinary

Purchase

4,078

1.7580 GBP

3 1/3p ordinary

Purchase

3,816

1.7631 GBP

3 1/3p ordinary

Purchase

3,267

1.7519 GBP

3 1/3p ordinary

Purchase

3,180

1.7550 GBP

3 1/3p ordinary

Purchase

2,738

1.7680 GBP

3 1/3p ordinary

Purchase

2,342

1.7607 GBP

3 1/3p ordinary

Purchase

2,086

1.7520 GBP

3 1/3p ordinary

Purchase

1,906

1.7535 GBP

3 1/3p ordinary

Purchase

1,683

1.7562 GBP

3 1/3p ordinary

Purchase

1,293

1.7540 GBP

3 1/3p ordinary

Purchase

942

1.7594 GBP

3 1/3p ordinary

Purchase

645

1.7630 GBP

3 1/3p ordinary

Purchase

76

1.7612 GBP

3 1/3p ordinary

Sale

183,120

1.7593 GBP

3 1/3p ordinary

Sale

172,357

1.7634 GBP

3 1/3p ordinary

Sale

81,143

1.7652 GBP

3 1/3p ordinary

Sale

63,262

1.7668 GBP

3 1/3p ordinary

Sale

20,918

1.7609 GBP

3 1/3p ordinary

Sale

17,699

1.7532 GBP

3 1/3p ordinary

Sale

4,753

1.7504 GBP

3 1/3p ordinary

Sale

3,215

1.7583 GBP

3 1/3p ordinary

Sale

3,024

1.7568 GBP

3 1/3p ordinary

Sale

1,993

1.7580 GBP

3 1/3p ordinary

Sale

1,543

1.7544 GBP

3 1/3p ordinary

Sale

1,518

1.7600 GBP

3 1/3p ordinary

Sale

1,409

1.7530 GBP

3 1/3p ordinary

Sale

1,130

1.7680 GBP

3 1/3p ordinary

Sale

129

1.7537 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

Opening Short

8,623

1.7626 GBP

3 1/3p ordinary

SWAP

Decreasing Short

89,115

1.7565 GBP

3 1/3p ordinary

SWAP

Increasing Short

303

1.7562 GBP

3 1/3p ordinary

SWAP

Increasing Short

25,940

1.7670 GBP

3 1/3p ordinary

CFD

Decreasing Short

5,416

1.7666 GBP

3 1/3p ordinary

CFD

Decreasing Short

1,130

1.7680 GBP

3 1/3p ordinary

CFD

Increasing Short

76

1.7613 GBP

3 1/3p ordinary

CFD

Increasing Short

8,929

1.7628 GBP

3 1/3p ordinary

CFD

Increasing Short

2,738

1.7679 GBP

3 1/3p ordinary

CFD

Increasing Short

10,359

1.7681 GBP

3 1/3p ordinary

SWAP

Decreasing Short

129

1.7537 GBP

3 1/3p ordinary

SWAP

Decreasing Short

784

1.7579 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,321

1.7562 GBP

3 1/3p ordinary

SWAP

Increasing Short

19,133

1.7593 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,590

1.7539 GBP

3 1/3p ordinary

SWAP

Decreasing Short

97,492

1.7673 GBP

3 1/3p ordinary

SWAP

Increasing Short

14,719

1.7641 GBP

3 1/3p ordinary

SWAP

Increasing Short

366

1.7612 GBP

3 1/3p ordinary

SWAP

Increasing Short

585,000

1.7564 GBP

3 1/3p ordinary

SWAP

Increasing Short

73,706

1.7587 GBP

3 1/3p ordinary

SWAP

Increasing Short

31,972

1.7613 GBP

3 1/3p ordinary

SWAP

Increasing Short

51,489

1.7680 GBP

3 1/3p ordinary

SWAP

Decreasing Short

20,918

1.7609 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,342

1.7607 GBP

3 1/3p ordinary

SWAP

Increasing Short

59

1.7560 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,206

1.7586 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,250

1.7593 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,002

1.7524 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,543

1.7544 GBP

3 1/3p ordinary

SWAP

Decreasing Short

60,682

1.7630 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,365,000

1.7564 GBP

3 1/3p ordinary

SWAP

Increasing Short

46,849

1.7579 GBP

3 1/3p ordinary

SWAP

Increasing Short

28,727

1.7595 GBP

3 1/3p ordinary

SWAP

Increasing Short

34,621

1.7680 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:

09 Aug 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213