Director/PDMR Shareholding

1.

Details of PDMR / person closely associated

Name

Paula Bell

2.

Reason for the notification

a)

Position / status

CFO

b)

Initial notification / amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Full name of the entity

Spirent Communications plc

b)

Legal Entity Identifier Code

213800HKCUNWP1916L38

4.

Details of the transaction(s)

a)

Description of the financial instrument

Identification code

Ordinary shares of 3 1/3 pence each

GB0004726096

b)

Nature of the transaction

Off-market transfer of shares to Person Closely Associated (partner)

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated volume

- price

288,500

0.0000

e)

Date of the transaction

15 March 2023

f)

Place of the transaction

Outside a trading venue

1.

Details of PDMR / person closely associated

Name

Dean Ritchie

2.

Reason for the notification

a)

Position / status

Person Closely Associated to Paula Bell, CFO

b)

Initial notification / amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Full name of the entity

Spirent Communications plc

b)

Legal Entity Identifier Code

213800HKCUNWP1916L38

4.

Details of the transaction(s)

a)

Description of the financial instrument

Identification code

Ordinary shares of 3 1/3 pence each

GB0004726096

b)

Nature of the transaction

Off-market transfer of shares from PDMR (Paula Bell, partner)

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated volume

- price

288,500

0.0000

e)

Date of the transaction

15 March 2023

f)

Place of the transaction

Outside a trading venue

Director / PDMR

Total beneficial holding

Paula Bell

543,547