ABU DHABI  - Abu Dhabi Future Energy Company (Masdar), a subsidiary of Mubadala Investment Company, said on Wednesday it was launching a sustainable real estate investment trust with an initial valuation of between 950 million UAE dirhams ($258.7 million) and 1 billion dirhams.

The green REIT portfolio will initially include 4 commercial properties at Abu Dhabi's Masdar city, a statement by the company said.

(Reporting by Dahlia Nehme, Writing by Maha El Dahan Editing by Louise Heavens) ((Maha.Dahan@thomsonreuters.com; + 9712 4082101; Reuters Messaging: maha.dahan.thomsonreuters.com@reuters.net))