A US technology company says 20 of its employees were aboard the Malaysia Airlines plane that went missing over the South China Sea.
Jacey Zuniga, a spokeswoman for Freescale Semiconductor, of Austin, Texas, says 12 Malaysian and 8 Chinese employees are "confirmed passengers".
She says no American citizen Freescale employees were on the flight.
"At present, we are solely focused on our employees and their families," Gregg Lowe, president and chief executive of Freescale said.
"Our thoughts and prayers are with those affected by this tragic event."
The company has assembled a team of counsellors for those affected by the tragedy.