DIALIGHT PLC

AGM Information • Apr 14, 2022

ATTENDANCE CARD Dialight plc (the 'Company') Annual General Meeting ('AGM') to be held at and broadcast from Ashurst LLP, London Fruit & Wool Exchange, 1 Duval Square, London, E1 6PW on Thursday 19 May 2022 at 10.00am. Shareholder Reference Number If you are attending the AGM in person, please bring this card with you. NOTICE OF AVAILABILITY – Important: please read carefully. You can now access the Annual Report and Accounts 2021 and Notice of Annual General Meeting 2022 ('Notice of AGM')	SHAREHOLDER COMMUNICATION How would you like to receive future shareholder communications? Managing your shareholding online is fast, convenient and reduces the impact on the environment. You have the following options: Option 1 (email notification) To receive email notifications when shareholder documents are available on our website at www.dialight.com. Register at www.shareview.co.uk Option 2 (written notifications) To receive written notifications by post when shareholder documents are available on our website at www.dialight.com. No action required. Option 3 (paper) To continue to receive paper shareholder documents through the post, tick the box and return this form to our registrars, Equiniti. This card does not require an envelope or a stamp. If we do not hear from you by 10.00am on 13 May 2022, you will be deemed to have agreed to option 2. Shareholder Reference Number
at www.dialight.com. You can submit your proxy online at www.sharevote.co.uk using the details on the form of proxy below. FORM OF PROXY DIALIGHT PLC ANNUAL GENERAL MEETING ('AGM') TO BE HELD ON THURSDAY 19 MAY 2022 AT 10.00AM Voting You can submit your proxy electronically, using the above details, at www.sharevote.co.uk. I / We the undersigned, being a member / members of Dialight plc (the 'Company') hereby appoint the Chairman of the AGM or: as my / our proxy to exercise all or any of my / our rights	Task ID Shareholder Reference Number Number of shares (if not full voting entitlement) Name of proxy (See Notice of AGM)
	to attend, speak and vote in respect of my / our voting entitlement on my / our behalf at the AGM of the Company to be held on Thursday 19 May 2022 at 10.00am and at any adjournment thereof. The proxy will vote on the resolutions listed below as indicated. The proxy will vote at his / her discretion, or withhold from voting on any

resolution listed below, if no instruction is given regarding that resolution and on any other business transacted at the AGM.

Please mark this box to indicate if this proxy appointment is one of multiple appointments being made.

	Please indicate your vote by marking the appropriate boxes in black or blue ink like this:
		For	Against Withheld		For	Against Withheld
	1. To receive the Annual Report and Accounts for the financial year ended 31 December 2021.			10. To re-elect David Thomas as a Director.
	2. To approve the report on remuneration (save for the			11. To elect Clive Jennings as a Director.
	Directors' Remuneration Policy) set out in the Annual Report and Accounts 2021.			12. Authority to make political donations and incur political expenditure not exceeding £10,000 in total.
	3. To re-appoint KPMG LLP as auditor.			13. Authority to allot shares in the Company pursuant to Section 551 of the Companies Act 2006.
	4. To authorise the Directors to determine the auditor's remuneration.			Special resolutions
	5. To re-elect Karen Oliver as a Director.			14. To authorise the Directors to disapply pre-emption rights pursuant to Sections 570 and 577 of the
	6. To re-elect David Blood as a Director.			Companies Act 2006.
7.	To re-elect Gothard Haug as a Director.			15. To authorise the Directors to disapply pre-emption rights for acquisitions or other capital investments.
	8. To re-elect Gaëlle Hotellier as a Director.			16. To authorise the Company to make market purchase
	9. To re-elect Fariyal Khanbabi as a Director.			of ordinary shares pursuant to Section 701 of the
				Companies Act 2006

Notes to help you complete the form are in the Notice of AGM. You should read these carefully before completing the form.

Please mark this box if signing on behalf of the shareholder as power of attorney, receiver or third party. This card should not be used for comments, change of address or other queries. Please send separate instruction.

Signature Date

NOTES

• It is possible that changes to UK Government guidance will require a change to the date, time or location of the meeting and if this happens an announcement will be made on the Company's website www.ir.dialight.com and via a Regulatory Information Service as soon as possible.
• Cameras, recording equipment and other items which might interfere with the good order of the AGM will not be permitted.

ATTENDING IN PERSON

BY RAIL

Nearest station is Liverpool Street. Approximately 10-15 minutes' walk from venue and taxis are available outside the station.

BY BUS

Bus route 242 goes past the venue. Many bus routes go to Liverpool Street Station.

UNDERGROUND

Nearest stations are Liverpool Street (Circle, Hammersmith & City, Metropolitan lines), Whitechapel and Aldgate East (Hammersmith & City and District lines). Approximately 5-10 minutes' walk from venue.

ATTENDING VIRTUALLY

Details on how to attend the meeting virtually are included in the Notice of AGM.

NOTES FOR COMPLETION OF FORM OF PROXY

• 1. The Notice of AGM provides further guidance on completion of the form of proxy. 2. Shareholders are entitled to appoint another person to attend the AGM and vote on their behalf using the form of proxy. The proxy need not be a shareholder. You may still attend the AGM in person or virtually and vote even if you return the form of proxy. If you wish to appoint more than one proxy, please refer to the detailed instructions in the Notice of AGM.
• 1. If you do not indicate how you wish your proxy to vote, the proxy will be entitled to exercise discretion as to how and whether to vote on any resolution.
• 1. In order to be valid, this form of proxy must be received by Equiniti by no later than 10.00am on Tuesday 17 May 2022.
• 1. If you wish to vote via the internet, you can do so at www.sharevote.co.uk. You will require the voting ID, Task ID and Shareholder Reference Number shown on the form of proxy.
• 1. CREST members who wish to utilise the CREST proxy appointment service may do so by following the procedures described in the CREST manual and the Notice of AGM.
• 1. This year, we will conduct the AGM as a 'hybrid' meeting, as permitted by our Articles of Association adopted at our 2020 AGM. If you wish to attend the meeting remotely via an electronic platform, please see the enclosed Notice of Meeting for details on how to do this.

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