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:

12 Dec 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:

44,052,571

7.61%

1,401,444

0.24%

(2)

Cash-settled derivatives:

and/or controlled:

1,074,422

0.19%

43,212,297

7.47%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

45,126,993

7.80%

44,613,741

7.71%

(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

137,818

1.7909 GBP

3 1/3p ordinary

Purchase

19,954

1.7938 GBP

3 1/3p ordinary

Purchase

11,891

1.7930 GBP

3 1/3p ordinary

Purchase

8,279

1.7970 GBP

3 1/3p ordinary

Purchase

1,894

1.8018 GBP

3 1/3p ordinary

Purchase

1,862

1.7935 GBP

3 1/3p ordinary

Purchase

1,287

1.7985 GBP

3 1/3p ordinary

Purchase

1,109

1.7926 GBP

3 1/3p ordinary

Purchase

1,037

1.7983 GBP

3 1/3p ordinary

Purchase

360

1.7955 GBP

3 1/3p ordinary

Purchase

309

1.7910 GBP

3 1/3p ordinary

Purchase

94

1.8020 GBP

3 1/3p ordinary

Purchase

33

1.7950 GBP

3 1/3p ordinary

Purchase

26

1.7960 GBP

3 1/3p ordinary

Sale

45,700

1.7977 GBP

3 1/3p ordinary

Sale

30,131

1.7930 GBP

3 1/3p ordinary

Sale

13,868

1.7976 GBP

3 1/3p ordinary

Sale

11,333

1.7921 GBP

3 1/3p ordinary

Sale

8,737

1.7935 GBP

3 1/3p ordinary

Sale

5,758

1.7942 GBP

3 1/3p ordinary

Sale

5,533

1.7929 GBP

3 1/3p ordinary

Sale

4,346

1.7884 GBP

3 1/3p ordinary

Sale

3,919

1.7948 GBP

3 1/3p ordinary

Sale

3,447

1.7915 GBP

3 1/3p ordinary

Sale

2,854

1.7999 GBP

3 1/3p ordinary

Sale

2,230

1.7870 GBP

3 1/3p ordinary

Sale

2,216

1.7937 GBP

3 1/3p ordinary

Sale

1,938

1.7965 GBP

3 1/3p ordinary

Sale

1,912

1.7934 GBP

3 1/3p ordinary

Sale

1,563

1.7914 GBP

3 1/3p ordinary

Sale

1,389

1.7951 GBP

3 1/3p ordinary

Sale

624

1.7950 GBP

3 1/3p ordinary

Sale

592

1.7939 GBP

3 1/3p ordinary

Sale

295

1.7927 GBP

3 1/3p ordinary

Sale

199

1.7960 GBP

3 1/3p ordinary

Sale

178

1.7970 GBP

3 1/3p ordinary

Sale

44

1.8005 GBP

3 1/3p ordinary

Sale

23

1.7956 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

3,283

1.7936 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4,889

1.7873 GBP

3 1/3p ordinary

SWAP

Decreasing Short

1,865

1.7904 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,447

1.7915 GBP

3 1/3p ordinary

SWAP

Decreasing Short

10,901

1.7921 GBP

3 1/3p ordinary

SWAP

Decreasing Short

5,533

1.7929 GBP

3 1/3p ordinary

SWAP

Decreasing Short

49

1.7930 GBP

3 1/3p ordinary

SWAP

Decreasing Short

34,828

1.7932 GBP

3 1/3p ordinary

SWAP

Decreasing Short

5,758

1.7942 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,919

1.7948 GBP

3 1/3p ordinary

SWAP

Decreasing Short

45,700

1.7977 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,356

1.7990 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4

1.8025 GBP

3 1/3p ordinary

SWAP

Increasing Short

137,818

1.7909 GBP

3 1/3p ordinary

SWAP

Increasing Short

127

1.7911 GBP

3 1/3p ordinary

SWAP

Increasing Short

14,809

1.7930 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,862

1.7935 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,200

1.7949 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,719

1.7960 GBP

3 1/3p ordinary

SWAP

Increasing Short

566

1.7961 GBP

3 1/3p ordinary

SWAP

Increasing Short

2

1.7980 GBP

3 1/3p ordinary

CFD

Increasing Short

290

1.7961 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 Dec 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213