Matan Companies announces today leasing has begun at Progress Labs at Riverside I in Frederick, Maryland. Receiving its site plan approval on March 9, the 215,000 square feet of biomanufacturing-ready space will include a 96,000 square foot existing building as well as a 119,000 square foot expansion building, which is slated to break ground in May 2021 and is expected to be fully complete by Spring 2022.