Legrand is actively pursuing its targeted development strategy, with the announcement today of two new
acquisitions.

Amperio Project is a Swiss specialist in busbars. Based in Murten, the company employs around 20
people and has annual sales of over €4 million. Following Computer Room Solutions (CRS) in Australia
and Linkk Busway Systems in Malaysia, Amperio Project is the third acquisition of the year in datacenters.

Quitérios¹ is a leading Portuguese player in electrical and digital modular distribution boards. Based in
Mira, the company employs more than 100 people and has annual sales of nearly €20 million.

Benoît Coquart, Legrand’s Chief Executive Officer; commented:

“We are very pleased with these two new acquisitions, which bring the number of transactions announced
since the beginning of the year to five, for a total annual revenue of more than €100 million.
These investments are fully in line with our strategic roadmap for 2030, which includes strengthening our
positions in fast-growing segments related to the energy and digital transition.”

¹ Subject to customary closing conditions