An advertisement for Mashreq bank is seen on its building in Dubai, United Arab Emirates July 26, 2017. REUTERS/Nawied Jabarkhyl

People walk past Mashreq bank in Dubai, United Arab Emirates July 26, 2017. Image used for illustrative purpose Reuters/ Nawied Jabarkhyl.

Automated teller machines are seen in Mashreq bank in Dubai, United Arab Emirates July 26, 2017. Image used for illustrative purposes.

People withdraw money from ATMs in Mashreq bank in Dubai, United Arab Emirates July 26, 2017.

Abdulaziz al-Ghurair, Chairman of the UAE Banks Federation and CEO of Mashreq bank, gestures during an interview with Reuters in Dubai, United Arab Emirates July 26, 2017. REUTERS/Tom Arnold

A man sits at Mashreq bank in Dubai, United Arab Emirates July 26, 2017. REUTERS/Nawied Jabarkhyl

Abdulaziz al-Ghurair, Chairman of the UAE Banks Federation and CEO of Mashreq bank, gestures during an interview with Reuters in Dubai, United Arab Emirates July 26, 2017.

People withdraw money from Automated teller machines in Mashreq bank in Dubai, United Arab Emirates July 26, 2017. REUTERS/Nawied Jabarkhyl

Abdulaziz al-Ghurair, Chairman of the UAE Banks Federation and CEO of Mashreq bank, gestures during an interview with Reuters in Dubai, United Arab Emirates July 26, 2017.

People withdraw money from Automated teller machines in Mashreq bank in Dubai, United Arab Emirates July 26, 2017. REUTERS/Nawied Jabarkhyl