The company named the board member as Nasser bin Aqeel al-Tayyar and said he had direct and indirect stakes in the company totaling 29.72 percent.

"The company confirms the continuation of its business to serve the interests of its shareholders and customers," it said in a stock exchange statement, without giving details or revealing why he was reportedly held.

Saudi authorities have detained dozens of senior officials and businessmen in recent days in an anti-corruption probe.

(Reporting by Reem Shamseddine; Writing by Sylvia Westall; Editing by Andrew Torchia)