Colas — Capital/Financing Update 2021

Dec 16, 2021

Paris, December 16, 2021

SHARE BUYBACK PROGRAM REDUCTION OF RESOURCES ALLOCATED TO LIQUIDITY CONTRACT WITH KEPLER CHEUVREUX

By contract dated April 28, 2014, amended on May 16, 2019, Colas (ISIN: FR0000121634) entrusted Kepler Cheuvreux with implementing a liquidity contract relating to its ordinary shares admitted to trading on Euronext Paris.

On December 16, 2021, in accordance with article 4 of the French Financial Markets Authority's (AMF) decision 2021-01 of June 22, 2021 renewing the introduction of liquidity contracts on equity securities under accepted market practice, Colas has reduced the resources allocated to the said liquidity contract by:

• €250,000

After the reduction, as of December 16, 2021, the resources available are as follows:

• 12,823 shares
• €281 854

Colas (www.colas.com)

Colas, a subsidiary of the Bouygues Group, has one mission: to imagine, build and maintain sustainable transport infrastructure. Backed by a network of 800 construction business units and 3,000 material production units in more than 50 countries on five continents, the Group's 55,000 employees act locally to connect communities and foster exchanges for today and tomorrow. Colas' ambition is to be the world leader in innovative, sustainable mobility solutions.

In 2020, consolidated revenue at Colas totaled €12.3 billion (55% outside of France).

FOR FURTHER INFORMATION:

Fabienne BOULOC Tel.: +33 6 67 06 90 21 fabienne.bouloc@colas.com

Marine ALLEMANDOU Tel.: +33 1 47 61 74 52