/Equities/XLON/SPT/RNS

Form 8.5 (EPT/NON-RI)Spirent Comm Plc Replacement

RNS Number : 7142D

Jefferies International Limited

16 October 2025

AMENDMENT CHANGE TO SECTION 3(b). REPLACES RNS 6693D.

FORM 8.5 (EPT/NON-RI)

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS (OR WHERE RI STATUS IS NOT APPLICABLE)

Rule 8.5 of the Takeover Code (the "Code")

1. KEY INFORMATION

(a) Name of exempt principal trader:	Jefferies International Limited
(b) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree	Spirent Communications Plc
(c) Name of the party to the offer with which exempt principal trader is connected:	Spirent Communications Plc
(d) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure	15^th October 2025
(e) In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state "N/A"	N/A

2. POSITIONS OF THE EXEMPT PRINCIPAL TRADER

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(b), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(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:	10,841,856	1.838
(2) Cash-settled derivatives:	5,108,413	0.866	15,950,269	2.704
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:
TOTAL:	15,950,269	2.704	15,950,269	2.704

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors' and other employee 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

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(b), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security

Purchases/ sales

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

3 1/3p ordinary

Sale

2,406,344

198.7506 GBX

(b) Cash-settled derivative transactions

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

(GBX)

3 1/3p Ordinary

Swap

Reducing a short position

1,145

2,205

6,511

3,841

6,510

3,074

2,791

4,212

9,935

3,305

3,710

15,473

366

240

8,709

21,482

6,576

21,485

11,661

7,434

6,528

17,442

100,983

1,704

11,578

3,680

11,580

5,215

6,476

1,411

70,390

10,773

33,908

10,717

33,912

23,417

19,360

1,762

196,940

11,959

37,811

95,237

44,841

95,221

11,225

13,736

788,543

6,376

64,572

23,747

64,581

4,066

33,735

25,015

26,817

48,865

301,556

198.7506

(i) Writing, selling, purchasing or varying

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

(ii) Exercise

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

(d) Other dealings (including subscribing for new securities)

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

4. OTHER INFORMATION

(a) Indemnity and other dealing 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:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state "none"

None

(b) Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the exempt principal trader 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 or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state "none"

None

Is a Supplemental Form 8 (Open Positions) attached?

Date of disclosure:	16^th October 2025
Contact name:	Jason Williams
Telephone number:	020 7029 8706

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

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END

FEOMZMMGFVZGKZM

RNS Number : 7142D

Jefferies International Limited

16 October 2025

AMENDMENT CHANGE TO SECTION 3(b). REPLACES RNS 6693D.

FORM 8.5 (EPT/NON-RI)

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS (OR WHERE RI STATUS IS NOT APPLICABLE)

Rule 8.5 of the Takeover Code (the "Code")

1. KEY INFORMATION

(a) Name of exempt principal trader:	Jefferies International Limited
(b) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree	Spirent Communications Plc
(c) Name of the party to the offer with which exempt principal trader is connected:	Spirent Communications Plc
(d) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure	15^th October 2025
(e) In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state "N/A"	N/A

2. POSITIONS OF THE EXEMPT PRINCIPAL TRADER

(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:	10,841,856	1.838
(2) Cash-settled derivatives:	5,108,413	0.866	15,950,269	2.704
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:
TOTAL:	15,950,269	2.704	15,950,269	2.704

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors' and other employee 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

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security

Purchases/ sales

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

3 1/3p ordinary

Sale

2,406,344

198.7506 GBX

(b) Cash-settled derivative transactions

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

(GBX)

3 1/3p Ordinary

Swap

Reducing a short position

1,145

2,205

6,511

3,841

6,510

3,074

2,791

4,212

9,935

3,305

3,710

15,473

366

240

8,709

21,482

6,576

21,485

11,661

7,434

6,528

17,442

100,983

1,704

11,578

3,680

11,580

5,215

6,476

1,411

70,390

10,773

33,908

10,717

33,912

23,417

19,360

1,762

196,940

11,959

37,811

95,237

44,841

95,221

11,225

13,736

788,543

6,376

64,572

23,747

64,581

4,066

33,735

25,015

26,817

48,865

301,556

198.7506

(i) Writing, selling, purchasing or varying

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

(ii) Exercise

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

(d) Other dealings (including subscribing for new securities)

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state "none"

None

(b) Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the exempt principal trader 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 or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state "none"

None

Is a Supplemental Form 8 (Open Positions) attached?

Date of disclosure:	16^th October 2025
Contact name:	Jason Williams
Telephone number:	020 7029 8706

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

END

FEOMZMMGFVZGKZM

TIDM	SPT
Share Price	198.80p0.00%
Market Cap	£1.17bn

Date	16 Oct 2025
Time	14:15:04
Category	Holding(s) in company
ID	7142D

TIDM	SPT
Share Price	198.80p0.00%
Market Cap	£1.17bn

Date	16 Oct 2025
Time	14:15:04
Category	Holding(s) in company
ID	7142D

t

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Form 8.5 (EPT/NON-RI)Spirent Comm Plc Replacement

Date of disclosure:

Contact name:

Telephone number:

Company Information

AI Summary

RNS Metadata

Date of disclosure:

Contact name:

Telephone number: