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:

02 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:

21,914,980

3.79%

1,051,735

0.18%

(2)

Cash-settled derivatives:

and/or controlled:

624,834

0.11%

21,008,017

3.63%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

22,539,814

3.90%

22,059,752

3.81%

(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

151,375

1.7200 GBP

3 1/3p ordinary

Purchase

102,166

1.7208 GBP

3 1/3p ordinary

Purchase

97,734

1.7224 GBP

3 1/3p ordinary

Purchase

60,956

1.7215 GBP

3 1/3p ordinary

Purchase

42,695

1.7222 GBP

3 1/3p ordinary

Purchase

36,621

1.7219 GBP

3 1/3p ordinary

Purchase

20,677

1.7217 GBP

3 1/3p ordinary

Purchase

20,492

1.7229 GBP

3 1/3p ordinary

Purchase

19,521

1.7213 GBP

3 1/3p ordinary

Purchase

15,048

1.7214 GBP

3 1/3p ordinary

Purchase

12,241

1.7212 GBP

3 1/3p ordinary

Purchase

11,509

1.7249 GBP

3 1/3p ordinary

Purchase

9,897

1.7220 GBP

3 1/3p ordinary

Purchase

8,259

1.7223 GBP

3 1/3p ordinary

Purchase

3,382

1.7210 GBP

3 1/3p ordinary

Purchase

2,557

1.7180 GBP

3 1/3p ordinary

Purchase

1,400

1.7231 GBP

3 1/3p ordinary

Purchase

76

1.7240 GBP

3 1/3p ordinary

Purchase

47

1.7270 GBP

3 1/3p ordinary

Purchase

43

1.7308 GBP

3 1/3p ordinary

Sale

311,496

1.7216 GBP

3 1/3p ordinary

Sale

142,288

1.7200 GBP

3 1/3p ordinary

Sale

68,054

1.7213 GBP

3 1/3p ordinary

Sale

53,619

1.7235 GBP

3 1/3p ordinary

Sale

16,356

1.7247 GBP

3 1/3p ordinary

Sale

14,627

1.7232 GBP

3 1/3p ordinary

Sale

6,761

1.7255 GBP

3 1/3p ordinary

Sale

5,333

1.7224 GBP

3 1/3p ordinary

Sale

3,382

1.7210 GBP

3 1/3p ordinary

Sale

2,604

1.7183 GBP

3 1/3p ordinary

Sale

2,600

1.7229 GBP

3 1/3p ordinary

Sale

2,557

1.7180 GBP

3 1/3p ordinary

Sale

1,722

1.7240 GBP

3 1/3p ordinary

Sale

155

1.7283 GBP

3 1/3p ordinary

Sale

125

1.7280 GBP

3 1/3p ordinary

Sale

47

1.7270 GBP

3 1/3p ordinary

Sale

43

1.7310 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

8,259

1.7225 GBP

3 1/3p ordinary

SWAP

Decreasing Short

2,174

1.7209 GBP

3 1/3p ordinary

SWAP

Increasing Short

27,960

1.7261 GBP

3 1/3p ordinary

CFD

Decreasing Short

115,499

1.7200 GBP

3 1/3p ordinary

CFD

Decreasing Short

2,722

1.7213 GBP

3 1/3p ordinary

CFD

Decreasing Short

18,811

1.7223 GBP

3 1/3p ordinary

CFD

Increasing Short

76,810

1.7200 GBP

3 1/3p ordinary

SWAP

Increasing Short

14,369

1.7238 GBP

3 1/3p ordinary

SWAP

Decreasing Short

12,699

1.7229 GBP

3 1/3p ordinary

SWAP

Increasing Short

52,595

1.7200 GBP

3 1/3p ordinary

SWAP

Increasing Short

236

1.7230 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4,200

1.7241 GBP

3 1/3p ordinary

SWAP

Increasing Short

2,900

1.7270 GBP

3 1/3p ordinary

SWAP

Decreasing Short

17,443

1.7200 GBP

3 1/3p ordinary

SWAP

Decreasing Short

53,619

1.7235 GBP

3 1/3p ordinary

SWAP

Decreasing Short

14,627

1.7232 GBP

3 1/3p ordinary

SWAP

Increasing Short

453

1.7225 GBP

3 1/3p ordinary

SWAP

Increasing Short

3,597

1.7245 GBP

3 1/3p ordinary

SWAP

Decreasing Short

12,330

1.7200 GBP

3 1/3p ordinary

SWAP

Decreasing Short

16,356

1.7247 GBP

3 1/3p ordinary

SWAP

Increasing Short

11,509

1.7249 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:

05 Aug 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213