Tyson Foods Joins Other Prominent Fortune 500 Tenants at Siempre Viva Business Park on Otay Mesa

SAN DIEGO (Dec. 2, 2013)– With its recent acquisition of the assets of Circle Foods, Tyson Foods, Inc. (NYSE:TSN) has joined an impressive group of Fortune 500 companies at Siempre Viva Business Park, assuming the title of largest employer on Otay Mesa, with just over 1,000 employees. “We’re delighted to welcome Tyson Foods to Siempre