** Air Arabia stocks down 3.5 percent in early trade in Dubai.

** Investors concerned that low-cost carrier has some exposure to embattled private equity Abraaj, which last week filed for provisional liquidation.

** Company's previous financial statements show investments in unnamed "investment company" in 2014 and 2017, but does not specificially mention Abraaj.

** Market sources say the unnamed company may be Abraaj. Air Arabia could not be reached for an immediate comment.

** Dubai index flat in early trade on Monday.

(Reporting by Davide Barbuscia) ((Davide.Barbuscia@thomsonreuters.com; +971522604297; Reuters Messaging: davide.barbuscia.reuters.com@reuters.net))