Tranche Update on Dorman Products, Inc.'s Equity Buyback Plan announced on December 12, 2013.

Dorman Products, Inc. is a supplier of replacement and upgrade parts in the motor vehicle aftermarket industry, serving passenger cars, light, medium, and heavy-duty trucks, as well as specialty vehicles, including utility terrain vehicles (UTVs) and all-terrain vehicles (ATVs). The Company is an aftermarket supplier of parts that are traditionally available to professional installers and consumers only from original equipment manufacturers or salvage yards. These parts include leaf springs, intake manifolds, exhaust manifolds, window regulators, radiator fan assemblies, tire pressure monitor sensors, exhaust gas recirculation (EGR) coolers, UTV windshields, and complex electronics modules. Its product classes include powertrain, chassis, motor vehicle body, and hardware. Its products are sold primarily through aftermarket retailers, including through their online platforms; dealers; national, regional and local warehouse distributors and specialty markets; and salvage yards.