BOOT (HENRY) PLC

Proxy Solicitation & Information Statement • Apr 28, 2022

Please bring this card with you to the Meeting and present it at Shareholder registration/accreditation.

The Chairman of Henry Boot PLC invites you to attend the Annual General Meeting of the Company to be held at DoubleTree by Hilton Hotel Sheffield Park, Chesterfield Road South, Sheffield S8 8BW on 26 May 2022 at 12.30 pm.

Shareholder Reference Number

Please detach this portion before posting this proxy form.

Form of Proxy - Annual General Meeting to be held on 26 May 2022

Register at www.investorcentre.co.uk - elect for electronic communications & manage your shareholding online!

To be effective, all proxy appointments must be lodged with the Company's Registrars at: Computershare Investor Services PLC, The Pavilions, Bridgwater Road, Bristol BS99 6ZY by 24 May 2022 at 12.30 pm.

Explanatory Notes:

• 1. Every holder has the right to appoint some other person(s) of their choice, who need not be a shareholder, as his proxy to exercise all or any of his rights, to attend, speak and vote on their behalf at the meeting. If you wish to appoint a person other than the Chairman, please insert the name of your chosen proxy holder in the space provided (see reverse). If the proxy is being appointed in relation to less than your full voting entitlement, please enter in the box next to the proxy holder's name (see reverse) the number of shares in relation to which they are authorised to act as your proxy. If returned without an indication as to how the proxy shall vote on any particular matter, the proxy will exercise his discretion as to whether, and if so how, he votes (or if this proxy form has been issued in respect of a designated account for a shareholder, the proxy will exercise his discretion as to whether, and if so how, he votes).
• 1. To appoint more than one proxy, an additional proxy form(s) may be obtained by contacting the Registrar's helpline on 0370 707 1716 or vou may photocopy this form. Please indicate in the box next to the proxy holder's name (see reverse) the number of shares in relation to which they are authorised to act as your proxy. Please also indicate by marking the box provided if the proxy instruction is one of multiple instructions being given. All forms must be signed and should be returned together in the same envelope.
• 1. The 'Vote Withheld' option overleaf is provided to enable you to abstain on any particular resolution. However, it should be noted that a "Vote Withheld" is not a vote in law and will not be counted in the calculation of the proportion of the votes 'For' and 'Against' a resolution.
• 1. Pursuant to Regulation 41 of the Uncertificated Securities Regulations 2001, entitlement to attend and vote at the meeting and the number of votes which may be cast thereat will be determined by reference to the Register of Members of the Company at close of business on the day which is two days before the day of the meeting. Changes to entries on the Register of Members after that time shall be disregarded in determining the rights of any person to attend and vote at the meeting.
• 1. To appoint one or more proxies or to give an instruction to a proxy (whether previously appointed or otherwise) via a designated voting platform, any such messages must be received by the issuer's agent prior to the specified deadline within the relevant system. For this purpose, the time of receipt will be taken to be the time (as determined by the timestamp generated by the relevant designated voting platform) from which the issuer's agent is able to retrieve the message. The Company may treat as invalid a proxy appointment sent via a designated voting platform in the circumstances set out in Regulation 35(5)(a) of the Uncertificated Securities Regulations 2001.
• 1. The above is how your address appears on the Register of Members. If this information is incorrect please ring the Registrar's helpline on 0370 707 1716 to request a change of address form or go to www.investorcentre.co.uk to use the online Investor Centre service.
• Any alterations made to this form should be initialled. 7.
• 1. The completion and return of this form will not preclude a member from attending the meeting and voting in person.

Kindly Note: This form is issued only to the addressee(s) and is specific to the unique designated account printed hereon. This personalised form is not transferable between different: (i) account holders; or (ii) uniquely designated accounts. The Company and Computershare Investor Services PLC accept no liability for any instruction that does not comply with these conditions.

All Named Holders

Poll Card To be completed only at the AGM if a Poll is called.

VII VUIN Ordinary Resolutions	For	Vote Against Withheld
1. To receive the Directors' Report, Auditors' Report, Strategic Report and the Financial Statements for the year ended 31 December 2021.
2. To declare a final dividend of 3.63p per ordinary share.
3. To approve the Directors' Remuneration Report (other than the part containing the Directors' Remuneration Policy) for the year ended 31 December 2021.
4. To reappoint Timothy Roberts as a Director of the Company.
5. To reappoint Darren Littlewood as a Director of the Company.
6. To reappoint Joanne Lake as a Director of the Company.
7. To reappoint James Sykes as a Director of the Company.

	For	Against Withheld
8. To reappoint Peter Mawson as a Director of the Company.
9. To reappoint Gerald Jennings as a Director of the Company.
10. To reappoint Ernst & Young LLP as auditors of the Company.
11. To authorise the Audit and Risk Committee to fix the auditors' remuneration.
12. THAT pursuant to Section 551 of the Companies Act 2006, the Directors be and are generally and unconditionally authorised to allot shares in the Company.
Special Resolutions
13. THAT subject to the passing of Resolution 12 and pursuant to Section 570 of the Companies Act 2006, the Directors be and are generally empowered to allot equity securities for cash.
14. THAT pursuant to Section 701 of the Companies Act 2006, the Company be and is hereby generally and unconditionally authorised to make market purchases of ordinary shares of 10p each in the capital of the Company.

Signature

In the case of a Corporation, a letter of representation will be required (in accordance with S323 of the Companies Act 2006) unless this has already been lodged at registration.

Form of Proxy

Please complete this box only if you wish to appoint a third party proxy other than the Chairman. Please leave this box blank if you want to select the Chairman. Do not insert your own name(s).

I We hereby appoint the Chairman of the person indicated in the box above as my/our proxy to attend, speak and vote in respect of mylour full voting entillement" on my/our behaf at the Annual General Meeting of Henry Boot PLC to be held at DoubleTree by Hilton Hotel Sheffield Road South, Sheffield S8 8BW on 26 May 2022 at 12.30 pm, and at any adjourned meeting.

* For the appointment of more than one proxy, please refer to Explanatory Note 2 (see front).

	Please mark here to indicate that this proxy appointment is one of multiple appointments being made.		Vote			Please use a black pen. Mark with an X inside the box as shown in this example.			ਮ Vote
	Ordinary Resolutions	For	Against Withheld				For	Against Withheld
	To receive the Directors' Report, Auditors' Report, Strategic Report and the Financial Statements for the year ended 31 December 2021.			8.	To reappoint Peter Mawson as a Director of the Company.
2.	To declare a final dividend of 3.63p per ordinary share.			9.	To reappoint Gerald Jennings as a Director of the Company.
	3. To approve the Directors' Remuneration Report (other than the part containing the Directors' Remuneration Policy) for the year ended 31 December 2021.				10. To reappoint Ernst & Young LLP as auditors of the Company.
	To reappoint Timothy Roberts as a Director of the Company.				11. To authorise the Audit and Risk Committee to fix the auditors' remuneration.
	5. To reappoint Darren Littlewood as a Director of the Company.				12. THAT pursuant to Section 551 of the Companies Act 2006, the Directors be and are generally and unconditionally authorised to allot shares in the Company.
6.	To reappoint Joanne Lake as a Director of the Company.				Special Resolutions 13. THAT subject to the passing of Resolution 12 and pursuant to Section 570 of the Companies Act 2006, the Directors be and are generally empowered to allot equity securities for cash.
	To reappoint James Sykes as a Director of the Company.				14. THAT pursuant to Section 701 of the Companies Act 2006, the Company be and is hereby generally and unconditionally authorised to make market purchases of ordinary shares of 10p each in the capital of the Company.

INVe instruct my/our proxy as indicated on this instructed the proxy may vote as he or she sees fit or abstain in reating.

Signature

DD MM YY

Date

In the case of a corporation, this proxy must be given under its common seal or be signed on its behalf by an attorney or officer duly authorised, stating their capacity (e.g. director, secretary).

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