Tranche Update on Equity Commonwealth's Equity Buyback Plan announced on March 13, 2019.

Equity Commonwealth is an internally managed and self-advised real estate investment trust (REIT). The Company is primarily engaged in the ownership and operation of office properties in the United States. It operates as an umbrella partnership real estate investment trust (UPREIT) and conducting substantially all of its activities through EQC Operating Trust (Operating Trust). Its portfolio consists of approximately four properties (eight buildings), that were leased to 98 tenants with a total of 1.5 million square feet. The Company's properties include 1225 Seventeenth Street (17th Street Plaza), Denver, Colorado; 1250 H Street, NW, Washington, District of Columbia; 206 East 9th Street (Capitol Tower), Austin, Texas, and Bridgepoint Square, Austin, Texas. The Company is focused on creating value through asset management and improved operating results.