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:

25 Oct 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:

41,473,253

7.17%

1,078,777

0.19%

(2)

Cash-settled derivatives:

and/or controlled:

641,504

0.11%

40,391,242

6.98%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

42,114,757

7.28%

41,470,019

7.17%

(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

1,000,000

1.6908 GBP

3 1/3p ordinary

Purchase

350,000

1.7008 GBP

3 1/3p ordinary

Purchase

68,686

1.6978 GBP

3 1/3p ordinary

Purchase

33,954

1.6794 GBP

3 1/3p ordinary

Purchase

28,145

1.6995 GBP

3 1/3p ordinary

Purchase

9,965

1.6798 GBP

3 1/3p ordinary

Purchase

8,442

1.6746 GBP

3 1/3p ordinary

Purchase

7,154

1.6888 GBP

3 1/3p ordinary

Purchase

6,432

1.6870 GBP

3 1/3p ordinary

Purchase

5,808

1.7010 GBP

3 1/3p ordinary

Purchase

3,798

1.6925 GBP

3 1/3p ordinary

Purchase

3,434

1.6747 GBP

3 1/3p ordinary

Purchase

2,794

1.6900 GBP

3 1/3p ordinary

Purchase

1,843

1.6760 GBP

3 1/3p ordinary

Purchase

1,800

1.7009 GBP

3 1/3p ordinary

Purchase

460

1.6820 GBP

3 1/3p ordinary

Sale

1,000,000

1.6892 GBP

3 1/3p ordinary

Sale

750,000

1.6791 GBP

3 1/3p ordinary

Sale

600,000

1.6891 GBP

3 1/3p ordinary

Sale

400,000

1.6741 GBP

3 1/3p ordinary

Sale

89,760

1.6967 GBP

3 1/3p ordinary

Sale

70,000

1.6957 GBP

3 1/3p ordinary

Sale

30,364

1.6750 GBP

3 1/3p ordinary

Sale

13,100

1.6837 GBP

3 1/3p ordinary

Sale

10,875

1.7010 GBP

3 1/3p ordinary

Sale

5,932

1.6960 GBP

3 1/3p ordinary

Sale

5,765

1.6925 GBP

3 1/3p ordinary

Sale

4,941

1.6846 GBP

3 1/3p ordinary

Sale

4,440

1.6856 GBP

3 1/3p ordinary

Sale

2,990

1.6860 GBP

3 1/3p ordinary

Sale

2,849

1.6953 GBP

3 1/3p ordinary

Sale

1,484

1.6932 GBP

3 1/3p ordinary

Sale

1,240

1.6905 GBP

3 1/3p ordinary

Sale

1,183

1.6836 GBP

3 1/3p ordinary

Sale

949

1.6840 GBP

3 1/3p ordinary

Sale

899

1.6820 GBP

3 1/3p ordinary

Sale

888

1.6979 GBP

3 1/3p ordinary

Sale

187

1.6822 GBP

3 1/3p ordinary

Sale

173

1.6760 GBP

3 1/3p ordinary

Sale

43

1.6765 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

400,000

1.6741 GBP

3 1/3p ordinary

SWAP

Decreasing Short

750,000

1.6791 GBP

3 1/3p ordinary

SWAP

Decreasing Short

779

1.6830 GBP

3 1/3p ordinary

SWAP

Decreasing Short

13,100

1.6837 GBP

3 1/3p ordinary

SWAP

Decreasing Short

11,313

1.6845 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4,440

1.6856 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,990

1.6860 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4,860

1.6867 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,814

1.6889 GBP

3 1/3p ordinary

SWAP

Decreasing Short

600,000

1.6891 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,000,000

1.6892 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,853

1.6902 GBP

3 1/3p ordinary

SWAP

Decreasing Short

70,000

1.6957 GBP

3 1/3p ordinary

SWAP

Decreasing Short

888

1.6979 GBP

3 1/3p ordinary

SWAP

Decreasing Short

41,194

1.7010 GBP

3 1/3p ordinary

SWAP

Increasing Short

13,474

1.6794 GBP

3 1/3p ordinary

SWAP

Increasing Short

9,965

1.6798 GBP

3 1/3p ordinary

SWAP

Increasing Short

460

1.6820 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,389

1.6836 GBP

3 1/3p ordinary

SWAP

Increasing Short

735

1.6853 GBP

3 1/3p ordinary

SWAP

Increasing Short

6,432

1.6870 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,212

1.6871 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,218

1.6882 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,154

1.6888 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,794

1.6900 GBP

3 1/3p ordinary

SWAP

Increasing Short

353

1.6906 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,000,000

1.6908 GBP

3 1/3p ordinary

SWAP

Increasing Short

28,145

1.6995 GBP

3 1/3p ordinary

SWAP

Increasing Short

56,779

1.7001 GBP

3 1/3p ordinary

SWAP

Increasing Short

350,000

1.7008 GBP

3 1/3p ordinary

SWAP

Increasing Short

1

1.7010 GBP

3 1/3p ordinary

CFD

Decreasing Short

10,453

1.6818 GBP

3 1/3p ordinary

CFD

Decreasing Short

187

1.6822 GBP

3 1/3p ordinary

CFD

Decreasing Short

27,093

1.7008 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:

28 Oct 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213