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:

10 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:

45,311,476

7.83%

1,056,680

0.18%

(2)

Cash-settled derivatives:

and/or controlled:

748,437

0.13%

45,155,651

7.80%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

46,059,913

7.96%

46,212,331

7.99%

(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

36,977

1.7510 GBP

3 1/3p ordinary

Purchase

15,467

1.7508 GBP

3 1/3p ordinary

Purchase

12,099

1.7492 GBP

3 1/3p ordinary

Purchase

8,421

1.7495 GBP

3 1/3p ordinary

Purchase

4,860

1.7571 GBP

3 1/3p ordinary

Purchase

3,958

1.7475 GBP

3 1/3p ordinary

Purchase

1,800

1.7735 GBP

3 1/3p ordinary

Purchase

876

1.7529 GBP

3 1/3p ordinary

Purchase

845

1.7696 GBP

3 1/3p ordinary

Purchase

730

1.7500 GBP

3 1/3p ordinary

Purchase

565

1.7590 GBP

3 1/3p ordinary

Purchase

500

1.7498 GBP

3 1/3p ordinary

Purchase

403

1.7600 GBP

3 1/3p ordinary

Purchase

68

1.7479 GBP

3 1/3p ordinary

Purchase

34

1.7509 GBP

3 1/3p ordinary

Purchase

25

1.7642 GBP

3 1/3p ordinary

Purchase

22

1.7596 GBP

3 1/3p ordinary

Purchase

15

1.7490 GBP

3 1/3p ordinary

Purchase

1

1.7480 GBP

3 1/3p ordinary

Sale

65,207

1.7510 GBP

3 1/3p ordinary

Sale

30,074

1.7505 GBP

3 1/3p ordinary

Sale

28,443

1.7504 GBP

3 1/3p ordinary

Sale

12,160

1.7500 GBP

3 1/3p ordinary

Sale

2,713

1.7483 GBP

3 1/3p ordinary

Sale

2,498

1.7478 GBP

3 1/3p ordinary

Sale

2,423

1.7482 GBP

3 1/3p ordinary

Sale

1,999

1.7459 GBP

3 1/3p ordinary

Sale

1,106

1.7493 GBP

3 1/3p ordinary

Sale

1,092

1.7509 GBP

3 1/3p ordinary

Sale

770

1.7471 GBP

3 1/3p ordinary

Sale

514

1.7497 GBP

3 1/3p ordinary

Sale

320

1.7460 GBP

3 1/3p ordinary

Sale

193

1.7467 GBP

3 1/3p ordinary

Sale

100

1.7508 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

1,999

1.7460 GBP

3 1/3p ordinary

SWAP

Decreasing Short

193

1.7466 GBP

3 1/3p ordinary

SWAP

Decreasing Short

770

1.7471 GBP

3 1/3p ordinary

SWAP

Decreasing Short

589

1.7477 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,090

1.7485 GBP

3 1/3p ordinary

SWAP

Decreasing Short

514

1.7497 GBP

3 1/3p ordinary

SWAP

Decreasing Short

15,737

1.7498 GBP

3 1/3p ordinary

SWAP

Decreasing Short

28,221

1.7500 GBP

3 1/3p ordinary

SWAP

Decreasing Short

30,074

1.7505 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,252

1.7508 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,092

1.7509 GBP

3 1/3p ordinary

SWAP

Decreasing Short

64,518

1.7510 GBP

3 1/3p ordinary

SWAP

Increasing Short

2

1.7470 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,962

1.7475 GBP

3 1/3p ordinary

SWAP

Increasing Short

203

1.7480 GBP

3 1/3p ordinary

SWAP

Increasing Short

280

1.7481 GBP

3 1/3p ordinary

SWAP

Increasing Short

15

1.7490 GBP

3 1/3p ordinary

SWAP

Increasing Short

12,099

1.7492 GBP

3 1/3p ordinary

SWAP

Increasing Short

8,421

1.7495 GBP

3 1/3p ordinary

SWAP

Increasing Short

10,879

1.7508 GBP

3 1/3p ordinary

SWAP

Increasing Short

41,117

1.7510 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,601

1.7583 GBP

3 1/3p ordinary

SWAP

Increasing Short

587

1.7590 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,800

1.7735 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:

13 Jan 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213