The zoo's 10-year lease with China ends this year, an agreement that costs the zoo about $2 million a year, including $1.1 million in loan fees.
Atlanta is one of just four U.S. zoos to display giant pandas.
Couple Lun Lun and Yang Yang have had two cubs since coming to the city in 1999. Mei Lan was born in 2006, and cub Xi Lan was born last fall.
The zoo will make the announcement at 10 a.m.