Legrand

Report Publication Announcement • Jan 8, 2018

PRESS RELEASE

Limoges, January 8, 2018

Semi-annual update - liquidity contract

Under the liquidity contract entered into between Legrand and Kepler Cheuvreux, the following resources were listed in the liquidity account on December 31, 2017 (trading date):

• − 40,000 shares
• − €20,390,348.53

As a reminder, the liquidity account contained the following resources on June 30, 2017 (trading date):

• − 55,000 shares
• − €19,098,301.81

* * *

KEY FINANCIAL DATES:

• 2017 annual results: February 8, 2018 "Quiet period1 " starts January 9, 2018
• 2018 first-quarter results: May 3, 2018 "Quiet period¹ " starts April 3, 2018
• General Meeting of Shareholders: May 30, 2018

¹ Period of time when all communication is suspended in the run-up to publication of results.

ABOUT LEGRAND

Legrand is the global specialist in electrical and digital building infrastructures. Its comprehensive offering of solutions for commercial, industrial and residential markets makes it a benchmark for customers worldwide. Drawing on an approach that involves all teams and stakeholders, Legrand is pursuing its strategy of profitable and sustainable growth driven by acquisitions and innovation, with a steady flow of new offerings—including Eliot* connected products with enhanced value in use. Legrand reported sales of more than €5 billion in 2016. The company is listed on Euronext Paris and is a component stock of indexes including the CAC 40, FTSE4Good, MSCI World, Corporate Oekom Rating, Vigeo Euronext Eurozone 120 and Europe 120, and Ethibel Sustainability Index Excellence (code ISIN FR0010307819).

http://www.legrand.com

*Eliot is a program launched in 2015 by Legrand to speed up deployment of the Internet of Things in its offering. A result of the group's innovation strategy, Eliot aims to develop connected and interoperable solutions that deliver lasting benefits to private individual users and professionals.

http://www.legrand.com/EN/eliot-program\_13238.html

Investor relations Legrand François Poisson Tel: +33 (0)1 49 72 53 53

francois.poisson@legrand.fr

Press relations Publicis Consultants Vilizara Lazarova Tel: +33 (0)1 44 82 46 34 Mob: +33 (0)6 26 72 57 14 vilizara.lazarova@consultants.publicis.fr

Eloi Perrin Tel: +33 (0)1 44 82 46 36 Mob: +33 (0)6 81 77 76 43 eloi.perrin@consultants.publicis.fr