Tranche Update on StealthGas Inc.'s Equity Buyback Plan announced on May 23, 2019.

StealthGas Inc. is a provider of international seaborne transportation services to liquefied petroleum gas (LPG) producers and users, as well as crude oil and product carriers to oil producers, refineries and commodities traders. The Company owns a fleet of LPG carriers. Its LPG carriers carry various petroleum gas products in liquefied form, including propane, butane, butadiene, isopropane, propylene and vinyl chloride monomer, which are all byproducts of the production of crude oil and natural gas. The medium range product carriers in its fleet are capable of carrying refined petroleum products, such as gasoline, diesel, fuel oil and jet fuel, as well as edible oils and chemicals, while its Aframax tanker is used for carrying crude oil. Its fleet consists of approximately 50 LPG carriers, including two chartered-in LPG carriers, two 2008-built product carriers, a 2009-built product carrier and a 2010-built Aframax crude oil tanker.