Craig Kelleher

Founded in 1999 by Timothy S. Peterson, Regiment Capital Management LLC is a registered investment advisor and hedge fund manager located in Boston, Massachusetts. The firm is wholly-owned by its managing member and advisory affiliate, Regiment Capital Advisors LP (RCA). The general partner of RCA is Regiment Capital Advisors LLC. Regiment Capital Management's clients include pooled investment vehicles and institutional accounts. Investors in the pooled investment vehicles include retirement plans, endowments and foundations, health care institutions, insurance companies, family offices and corporations, high net-worth individuals, fund-of-funds, as well as investment advisors and financial institutions.

ETX Energy LLC owns, manages, and operates upstream energy projects primarily in East Texas. It offers technologies such as horizontal drilling and multi-stage fracture stimulation to maximize production of oil and natural gas reserves. The company was founded Tracy Poole and is headquartered in Tulsa, OK.

Canvas Energy, Inc. engages in the acquisition, exploitation, exploration and production of onshore oil and natural gas. It focuses on deposits of Stack, Meramec and Osage, Oswego, and Woodford located in Oklahoma and the Texas Panhandle. The company was founded by Mark A. Fischer and Charles A. Fischer in April 1988 and is headquartered in Oklahoma City, OK.

Founded in 2008 by Craig Kelleher and Jeff Porter, Kellport Capital Management LLC is a hedge fund manager located in Boston. They manage the Kellport Credit Fund

Prelude Asset Management LLC provided asset management services. The company was headquartered in Quincy, MA.

Millstreet Capital Management LLC (Millstreet) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in Boston, Massachusetts. The firm was founded by Brian Connolly and Craig Kelleher in 2010. Millstreet provides discretionary investment management and administrative services to private pooled investment vehicles and separately managed accounts (SMAs) of institutional qualified purchasers.

IronGate Energy Services LLC provides rental tubular services. It supplies conventional, premium and rental equipment for onshore and offshore operations throughout North America. The firm deploys specialized equipment and operators to perform a variety of pipe handling services including installing casing and tubing, breaking out drill pipe, retrieving production tubing for both onshore and offshore drilling and workover operations. IronGate Energy Services was founded in 2013 and is headquartered in Houston, TX.

US Shale Solutions LLC engages in the provision of technology-enabled strategic solutions to the unconventional oil and gas industry. Its solutions include integrated operations, proprietary technologies, compliance programs, real-time data, and health, safety, and environment (HSE) management system. The company was founded by Robert Willis and Jerrit M. Coward in 2013 and is headquartered in Houston, TX.

NGR Management Co. LLC operates in oil and gas industry. The company was founded in 2011 and is headquartered in Tulsa, OK.