Bouygues SA

Earnings Release • May 11, 2021

ALSTOM'S CONTRIBUTION TO BOUYGUES' NET PROFIT IN FIRST-QUARTER 2021

On 11 May 2021, Alstom reported its results for the financial year 2020/21 ended on 31 March 2021. Based on this information, Alstom's contribution to Bouygues' net profit in first-quarter 2021 is €120 million, versus a contribution of €35 million in first-quarter 2020.

This contribution includes:

• €115 million from
• o a net dilution profit related to Alstom's two capital increases reserved to affiliates of CDPQ and Bombardier Inc completed on 29 January 2021,
• o a net capital gain on Bouygues' sale of 12 million Alstom shares which took place on 10 March 2021,
• a €5-million share of profit in Alstom's results for the second half of 2020/21.

At 30 April 2021, Bouygues had a 3.12% stake in Alstom's share capital.

First-quarter 2021 sales and earnings for the Bouygues group will be reported on 20 May 2021 at 7.30am (CET).

ABOUT BOUYGUES

Bouygues is a diversified services group operating in over 80 countries with 129,000 employees all working to make life better every day. Its business activities in construction (Bouygues Construction, Bouygues Immobilier, Colas); media (TF1) and telecoms (Bouygues Telecom) are able to drive growth since they all satisfy constantly changing and essential needs.

INVESTORS AND ANALYSTS CONTACT:

PRESS CONTACT:

INVESTORS@bouygues.com • Tel.: +33 (0)1 44 20 10 79

presse@bouygues.com • Tel.: +33 (0)1 44 20 12 01

BOUYGUES SA • 32 avenue Hoche • 75378 Paris CEDEX 08 • bouygues.com