U.S. Senator Rob Portman (R-Ohio) will participate in PAS Technologies' expansion announcement in Hillsboro tomorrow, April 28, from 1:30-2:30 p.m. at the Training and Employment Center, 1575 N. High Street, rooms 27 A & B. Sen. Portman has been working with corporate and local leaders to advance the expansion, which is expected to create 50-100 new jobs.