CoStar Group*, a leading provider of online real estate markets, information and analysis, has entered into a definitive agreement to acquire all outstanding shares of Matterport in a cash and stock transaction valued at $5.50 per share, representing an estimated enterprise value of $1.6 billion. Under the terms and subject to the conditions of the agreement, Matterport shareholders will receive $2.75 in cash and $2.75 in CoStar Group common stock for each share of Matterport common stock.