Legrand

Transaction in Own Shares • Feb 14, 2023

PRESS RELEASE

Limoges, February 14, 2023

Legrand signs share buyback agreement

Legrand announced today the signing of a contract with an investment services provider to implement a share buyback program for up to 515,000 shares, i.e. around 0.19% of its capital. The purchase period agreement is expected to begin on February 15, 2023 and end on or before March 15, 2023 at the latest.

Under the authorization granted by the Ordinary and Extraordinary General Meeting of Shareholders of May 25, 2022, the average price per share for the operation may not exceed the maximum price of 150 euros.

The shares purchased pursuant to this agreement will mainly be allocated to maturing performance share plans.

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Certidox

PRESS RELEASE

KEY FINANCIAL DATES:

• 2023 first-quarter results: May 4, 2023 "Quiet period¹ " starts April 4, 2023
• General Meeting of Shareholders: May 31, 2023
• Ex-dividend date: June 2, 2023
• Dividend payment: June 6, 2023
• 2023 first-half results: July 31, 2023 "Quiet period¹ " starts July 1, 2023

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. The Group harnesses technological and societal trends with lasting impacts on buildings with the purpose of improving life by transforming the spaces where people live, work and meet with electrical, digital infrastructures and connected solutions that are simple, innovative and sustainable. Drawing on an approach that involves all teams and stakeholders, Legrand is pursuing its strategy of profitable and responsible growth driven by acquisitions and innovation, with a steady flow of new offerings—including products with enhanced value in use (faster expanding segments: datacenters, connected offerings and energy efficiency programs). Legrand reported sales of €8.3 billion in 2022. The company is listed on Euronext Paris and is notably a component stock of the CAC 40 and CAC 40 ESG indexes. (code ISIN FR0010307819). https://www.legrandgroup.com

Investor relations Legrand Ronan Marc Tel: +33 (0)1 49 72 53 53 ronan.marc@legrand.com Press relations TBWA Corporate Tiphaine Raffray Mob: +33 (0)6 58 27 78 98 tiphaine.raffray@tbwa-corporate.com

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