SAN DIEGO, March 08, 2022 (GLOBE NEWSWIRE) -- American Assets Trust, Inc. (NYSE: AAT) (the “Company”) has successfully closed on the acquisition of Bel-Spring 520, consisting of an approximately 93,000 square foot, multi-tenant office campus located on over 5 acres just off the interstate 405 and 520 freeway interchange, less than 5 minutes away from downtown Bellevue, Washington.