Custom Truck One Source (Nesco; Capitol Inv. IV) ^{Priced, NYSE: CTOS}

We are a blank check company formed in May 2017. We are not limited to any particular industry or geographic location in selecting a target business with which to engage in a business combination. Mark D. Ein, our Chairman and CEO, has over 25 years of private equity, venture capital, and public acquisition company investing experience. Dyson Dryden, our President, CFO and a member of our board of directors, has nearly 20 years of investment banking and investing experience. Starting in 2007, Mr. Ein has led the successful execution of three consecutive public acquisition vehicles, Capitol I, II, and III. Mr. Ein is the founder and Chief Executive Officer of Venturehouse Group, LLC, a holding company that creates, invests in, grows and builds technology, communications and related business services companies. Venturehouse was founded in 1999 to work closely with a small number of portfolio companies at any one time and to provide operational, strategic, and financing support throughout their lifecycle. Since January 2007, Mr. Ein has been the Co-Chairman and majority owner of Kastle Systems, a firm specializing in building and office security systems, which he acquired through his personal investment holding company, Leland Investments Inc. Prior to forming Venturehouse, from 1992 to 1999, Mr. Ein was a Principal with The Carlyle Group.