Sri Lanka, Nov. 3 -- The Netherlands has said it will return a stolen 3,500-year-old sculpture to Egypt.

It is "highly likely" the stone head, dating from the time of the pharaohs, was plundered during the Arab Spring in either 2011 or 2012, according to the Dutch Information & Heritage Inspectorate.

A decade later, it turned up at an arts and antiques fair in Maastricht and, following an anonymous tip-off, Dutch authorities determined it had been stolen and exported illegally.

Dutch outgoing prime minister Dick Schoof made the pledge to hand it back as he attended the opening of the archaeological Grand Egyptian Museum in Giza this weekend.

The Dutch government said the sculpture of a high-ranking official from the dynasty of Pharaoh...