VINCI

Proxy Solicitation & Information Statement • Mar 11, 2025

French public limited company (société anonyme) with share capital of €1,456,035,992.50 Registered office: 1973 boulevard de la Défense, F-92000 Nanterre 552 037 806 RCS Nanterre www.vinci.com

Description of the 2025-2026 treasury share buy-back programme submitted by the Board of Directors for approval to the Combined Shareholders' General Meeting of 17 April 2025

I - Summary

• · The shares concerned by the 2025-2026 buy-back programme are VINCI shares listed for trading in Compartment A of the requlated market of NYSE Euronext in Paris under ISIN code FR0000125486.
• · The programme offers the possibility of purchasing shares up to a maximum of 10% of the number of shares making up the Company's share capital over a period of eigthteen months from 17 April 2025 to 16 October 2026 (see duration of programme below). This limit is based on the number of shares making up the share capital at the time of the purchases.

Since the programme provides for the possibility of using derivatives in performing it, the treasury shares that the Company could purchase through the exercise of the share purchase options that it may have bought previously will be included in the calculation of the maximum number of shares authorised over the 18-month duration of the programme, at the time of the purchase of these share purchase options, and not at the time of their exercise, if any.

• · Maximum purchase price: €150.
• · Maximum amount of purchases authorised: €5 billion.
• · The purchase cost of any derivatives used by the Company in connection with the programme shall be recognised in the maximum amount authorised at the time they are put in place. The amount relating to the price of any treasury shares acquired through the exercise of share purchase options shall only be recognised at the time of their exercise. Additional amounts that may be allocated to the liquidity agreement shall be recognised in the maximum amount of purchases authorised.
• · Objectives: (1) sales or transfers of Company shares to eligible employees and/or company officers of VINCI group companies in the context of savings plans or any share ownership plan governed by French or foreign law, share plans and/or share purchase option plans; (2) cancellation of shares; (3) delivery of shares pursuant to the exercise of the rights attached to securities giving access to the share capital; (4) transfers of shares for payment or exchange purposes, in particular in connection with transactions involving external growth; (5) ensuring market liquidity under a liquidity agreement that complies with a code of ethics recognised by the

Autorité des Marchés Financiers (AMF, the French financial markets regulator) and entrusted to an investment service provider acting independently; and (6) implementation of any market practice, any objective or any transaction that would be accepted under laws or regulations in force or by the AMF with respect to share buy-back programmes.

· Duration of the programme: 18 months from the approval at the Combined Shareholders' General Meeting of 17 April 2025, i.e. until 16 October 2026.

II - Objectives of the 2025-2026 share buy-back programme: use of shares purchased

VINCI wishes to implement a new share buy-back programme with the objectives described below.

1. Sales or transfers of Company shares to eligible employees and/or company officers of VINCI Group companies in the context of savings plans or any share ownership plan governed by French or foreign law, share plans and/or share purchase option plans, including sales to any approved service provider appointed to design, implement and manage any employee savings UCTS or similar employee savings structure on behalf of the VINCI Group, and pledges of shares as guarantees under employee savings plans.

2. Cancellation, as part of the Company's financial policy, of the shares thus purchased, subject to the adoption of the eighteenth resolution of the 17 April 2025 Shareholders' General Meeting.

3. Fulfilment of obligations to transfer or exchange shares pursuant to the exercise of the rights attached to securities giving access to the Company's share capital.

4. Transfers of shares for payment or exchange purposes, in particular in connection with transactions involving external growth.

5. Market-making through a liquidity agreement that complies with a code of ethics recognised by the AMF and entrusted to an investment service provider acting independently.

6. Implementation of any market practice, any objective or any transaction that would be accepted under laws or regulations in force or by the AMF with respect to share buy-back programmes.

The shares purchased and retained by VINCI shall not carry any voting rights and shall not confer any right to the payment of dividends.

The Company reserves the right to use derivatives in implementing this new programme.

Furthermore, in compliance with the applicable legal and regulatory provisions, including to stock exchange disclosure requirements, it reserves the right to carry out authorised reallocations of shares purchased in view of one of the programme's objectives to one or more of its other objectives, or to sell them on-market or off-market through an investment service provider acting independently.

III - Legal framework

This programme is within the framework of the provisions of Articles L.22-10-62 et seq. and Articles L.225-210 to L.225-211 of the French Commercial Code and shall be submitted on 17 April 2025 to VINCI's Shareholders' General Meeting, acting in accordance with the quorum and majority requirements for Ordinary (eleventh resolution) and Extraordinary (eighteenth resolution) Shareholders' General Meetings:

Eleventh resolution

Renewal of the delegation of powers to the Board of Directors in view of the Company of its own shares

The Shareholders' General Meeting, having taken note of (a) the Report of the Board of Directors and (b) the description of the new 2025-2026 share buy-back programme, in accordance with the provisions of Articles L.22-10-62 et seq. and Articles L.225-210 et seg. of the French Commercial Code as well as Regulation (EU) 596/2014 of 16 April 2014 on market abuse, authorises the Board of Directors, with the ability to sub-delegate such powers, within the limits provided for by law and regulations, to purchase the Company's shares, on one or more occasions, on the stock market or otherwise, including by blocks of shares or through the use of options or derivatives, for the conduct of the following:

• 1. sales or transfers of Company shares to eligible employees and/or company officers of VINCI Group companies in the context of savings plans or any share ownership plan governed by French or foreign law, share plans and/or share purchase option plans, including any sale to any approved service provider appointed for the design, implementation and management of any employee savings UCITS or similar structure on behalf of the VINCI Group, and pledges of shares as guarantee under employee savings plans;
• 1. cancellation, as part of the Company's financial policy, of the shares thus purchased, subject to the adoption of the eighteenth resolution hereunder;
• 1. transfers or exchanges of shares upon the exercise of the rights attached to securities giving access to the Company's share capital;
• 1. 4 retention and future delivery for payment or exchange purposes in connection with transactions involving external growth;
• 1. ensuring market liquidity within the framework of a liquidity agreement that complies with a code of ethics recognised by the Autorité des Marchés Financiers and entrusted to an investment service provider acting independently;
• 1. implementation of any market practice, any objective or any transaction that may be accepted by laws or regulations in force or by the Autorité des Marchés Financiers in respect of share buy-back programmes.

The maximum purchase price per share is set at €150. The maximum number of shares purchased by virtue of this authorisation shall not exceed 10% of the share capital. This limit is calculated at the time of the purchases and the maximum amount of shares thus purchased shall not exceed €5 billion.

The share purchase price shall be adjusted by the Board of Directors in the event of transactions involving the Company's capital in compliance with the conditions provided for by the applicable regulations. In particular, in the event of a capital increase through the capitalisation of reserves and the granting of performance share awards, the price specified above shall be adjusted by a multiplier equal to the ratio of the number of shares making up the share capital before the transaction to the number of shares after the transaction.

The acquisition, sale, transfer, allocation or exchange of these shares may be carried out by any means that are authorised or that may become authorised by regulations in force, either on-market or off-market, including block transactions or through the use of derivatives, in particular through share purchase options in accordance with the regulations in force. There is no restriction on the proportion of the share buy-back programme that may be carried out through block transactions.

These transactions may be carried out at any time in accordance with the regulations in force, except during a public offer period.

The Shareholders' General Meeting grants full powers to the Board of Directors, including the ability to delegate such powers, so that, in compliance with the applicable legal and regulatory provisions, including those on stock exchange disclosure requirements, it may proceed with the authorised reallocations of the shares purchased in view of one of the programme's objectives to one or more of its other objectives, or sell them on-market or off-market, it being specified that these reallocations and sales may concern shares purchased pursuant to previously authorised share buy-back programmes.

The Shareholders' General Meeting grants full powers to the Board of Directors, including the ability to delegate such powers, for the purpose of placing stock market orders, signing any deed of purchase, sale or transfer, entering into any agreement, carrying out any necessary adjustments, making all declarations and completing all formalities.

This authorisation is granted for a period of 18 months from the date of this Shareholders' General Meeting. It renders ineffective and replaces the authorisation granted at the Shareholders' General Meeting of 9 April 2024 in its sixth resolution.

Eighteenth resolution

Renewal of the authorisation granted to the Board of Directors in view of the share capital through cancellation of VINCI shares held in treasury

The Shareholders' General Meeting, voting under the quorum and majority conditions required for Extraordinary Shareholders' General Meetings, having considered the Report of the Board of Directors and the Special report of the Statutory Auditors, in accordance with the provisions of Article L.22-10-62 of the French Commercial Code, authorises the Board of Directors to cancel, at its sole discretion, on one or more occasions, within the limit of 10% of the number of shares making up the share capital on the date when the Board of Directors takes a decision to cancel, and over successive periods of 24 months for the determination of this limit, the shares purchased by virtue of the authorisations granted to the Company to purchase its own shares, and to proceed with a reduction in share capital equivalent to that amount.

The Shareholders' General Meeting sets the validity period of this authorisation at 26 months as from the date of this meeting and grants full powers to the Board of Directors, including the ability to delegate such powers, to take all decisions necessary for the cancellation of shares and reduction of the share capital, to recognise the difference between the purchase price and the nominal value of the shares in the reserve account of its choice, including the account for "share premiums arising on contributions or mergers", to perform all actions, formalities or declarations to finalise the reductions in capital which may be carried out by virtue of this authorisation, and to amend the Company's Articles of Association accordingly.

This authorisation renders ineffective and replaces the authorisation approved at the Shareholders' General Meeting of 9 April 2024 in its eleventh resolution.

IV - Arrangements

1. Maximum proportion of the share capital that may be acquired and maximum amount payable by VINCI

The maximum proportion of the share capital that VINCI may acquire is 10% of the share capital on the date of the Combined Shareholders' General Meeting. However, in the event of a change in the share capital after that date, the authorisation approved at the meeting would apply to 10% of the new share capital.

The maximum purchase price per share is set at €150.

The maximum total amount of capital that may be allocated to share purchases by virtue of this programme is €5 billion. This maximum amount shall apply for all transactions carried out from 17 April 2025 and for the duration of the programme: purchases of treasury shares, acquisitions of derivatives on treasury shares, treasury share subscriptions through the exercise of derivatives previously put in place, additional amounts that may be allocated to the liquidity agreement.

The Company reserves the right to use the entire programme.

VINCI shall ensure that it does not directly or indirectly exceed the buy-back ceiling of 10% of the share capital authorised at the Shareholders' General Meeting over the programme's 18-month term.

It shall furthermore ensure that it does not own at any time, directly or indirectly, more than 10% of its share capital.

Moreover, the share buy-back programme shall not have any significant impact on VINC/'s free float, which amounted to 83.3% of the share capital at 31 December 2024.

The amount of the Company's available reserves, which was €28,646 million at 31 December 2024, is, as required by law, higher than the amount of the share buy-back programme.

2. Share buy-back arrangements

Shares may be purchased fully or partly by any means that are authorised or that may become authorised by regulations in force, either on-market or off-market, including block transactions or through the use of derivatives, in particular through share purchase options in accordance with the regulations in force. The Company shall be careful not to increase the volatility of its share price if it uses derivatives.

These transactions may be carried out at any time in accordance with the regulations in force, except during a public offer period.

The proposed authorisation submitted for approval at the Shareholders' General Meeting does not restrict the proportion of the programme that may be carried out through the acquisition of blocks of shares.

3. Duration of share buy-back programme and time frame for cancellation of shares

Share purchases may be carried out over a period of 18 months following the date of the Shareholders' General Meeting, i.e. from 17 April 2025 until 16 October 2026.

Pursuant to paragraph 4 of Article L.22-10-62 of the French Commercial Code, the shares purchased can only be cancelled up to a limit of 10% of the share capital over successive rolling periods of 24 months.

4. Use of derivatives

VINCI reserves the right to use derivatives for the implementation of this programme in order to cover, under current regulations, option positions that it has taken separately (such as share subscription or purchase options granted or issued debt securities giving access to the share capital). Information on the use of derivatives on treasury shares is systematically provided to the Board of Directors.

The Board of Directors of VINCI and, by delegation of the Board of Directors,

Xavier Huillard Chairman and Chief Executive Officer

7 March 2025

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This document, which contains the description of the 2025-2026 share buy-back programme submitted for the approval of shareholders at VINC!'s Shareholders' General Meeting of 17 April 2025, is available free of charge on request from:

VINCI Shareholder Relations Department 1973 boulevard de la Défense, F-92000 Nanterre.

It is available on the VINCI website (www.vinci.com) and has been filed with the Autorité des Marchés Financiers.