Bernard “Bernie” Marcus, co-founder of The Home Depot and a prominent Republican donor, passed away at 95, according to an internal memo obtained by CNN. The Home Depot has not yet commented publicly on his death.

Marcus, with an estimated net worth of $7.4 billion per Bloomberg’s Billionaire Index, co-founded The Home Depot with Arthur Blank in 1978. Under their leadership, the company expanded to over 2,300 stores, achieving a market valuation nearing $400 billion.

This is a developing story and will be updated as more information becomes available.