Vince Foster

Executive Chairman

Vince Foster

Vince Foster

Executive Chairman

Phone: 713-350-6000

Email: vdfoster@mainstcapital.com

Location: Houston, Texas

Mr. Foster has served as Chairman of Main Street’s Board since 2007. Mr. Foster previously served as Main Street’s Chief Executive Officer from 2007 until November 2018 and also served as Main Street’s President from 2012 until 2015, as Executive Chairman from November 2018 until December 2021 and as senior advisor from January 2022 to May 2024. He has also been a member of our management team’s investment committee since its formation in 2007 and was a member of our management team’s executive committee from its formation in 2015 until December 2021. Mr. Foster also currently serves as a founding director of Quanta Services, Inc. (NYSE: PWR), which provides specialty contracting services to the power, natural gas and telecommunications industries, where he also serves on the audit committee and investment committee. He also served as a director of U.S. Concrete, Inc. (NASDAQCM: USCR) from 1999 until 2010, Carriage Services, Inc. (NYSE: CSV) from 1999 to 2011, MSC Income Fund, Inc. (“MSC Income”), a non-publicly traded business development company that is managed by MSC Adviser I, LLC, our wholly owned portfolio company and a registered investment adviser, from 2012 until 2013 and Team, Inc. (NYSE: TISI) from 2005 until 2017. In addition, Mr. Foster served as a founding director of the Texas TriCities Chapter of the National Association of Corporate Directors from 2004 to 2011. Mr. Foster, a certified public accountant, had a 19-year career with Arthur Andersen, where he was a partner from 1988 to 1997. Mr. Foster was the director of Arthur Andersen’s Corporate Finance and Mergers and Acquisitions practice for the Southwest United States and specialized in working with companies involved in consolidating their respective industries. Mr. Foster co-founded and from 1997 until December 2021 acted as co-managing partner and in other senior executive positions of several Main Street predecessor funds and entities, which are now subsidiaries of ours. Mr. Foster received the Ernst & Young Entrepreneur of the Year 2008 Award in the financial services category in the Houston & Gulf Coast Area. The program honors entrepreneurs who have demonstrated exceptionality in innovation, financial performance and personal commitment to their businesses and communities. Mr. Foster holds a Bachelor of Business Administration from Michigan State University and a J. D. degree from Wayne State University Law School.

Dwayne Hyzak

Member of the Board and Chief Executive Officer

Dwayne Hyzak

Dwayne Hyzak

Member of the Board and Chief Executive Officer

Phone: 713-350-6013

Email: dhyzak@mainstcapital.com

Location: Houston, Texas

Mr. Hyzak has served as Main Street’s Chief Executive Officer since November 2018 and as a member of our Board since January 2018. Mr. Hyzak also serves as a member of our management team’s executive and investment committees. Mr. Hyzak previously served in several executive roles from 2011 to 2018, including as our President (2015 until November 2018), Chief Operating Officer (2014 until November 2018), Chief Financial Officer (2011 until 2014) and Senior Managing Director since 2011 and also served in other senior executive positions at Main Street prior to 2011. Prior to our IPO in 2007, Mr. Hyzak served as a Senior Managing Director and other executive positions of several Main Street predecessor funds and entities, which are now our subsidiaries. Mr. Hyzak joined Main Street in 2002, becoming one of the founding members of the firm. Since October 2020, Mr. Hyzak has also served as the Chief Executive Officer and Chairman of the Board of MSC Income. Prior to joining Main Street, Mr. Hyzak was a Director of Integration with Quanta Services, Inc. (NYSE: PWR), which provides specialty contracting services to the power, natural gas and telecommunications industries, where he was principally focused on the company’s mergers and acquisitions and corporate finance activities. Previously, Mr. Hyzak was a Manager with Arthur Andersen in its Transaction Advisory Services group. Mr. Hyzak currently serves on the board of directors of Child Advocates, a non-profit organization that trains and supports advocates to serve the interests of abused or neglected children in the greater Houston area.

J. Kevin Griffin

Independent Director

J. Kevin Griffin

J. Kevin Griffin

Independent Director

Mr. Griffin serves as the Senior Vice President of Finance for UPMC, one of the world’s leading integrated healthcare delivery systems with approximately $26 billion in annual revenue. Headquartered in Pittsburgh, UPMC primarily serves residents across the Commonwealth of Pennsylvania, western New York and northwestern Maryland, but also draws patients for highly specialized services from across the nation and around the world. UPMC serves as both a provider and insurer, owning and operating over 40 hospitals and 800 clinical locations, and offering a variety of insurance products that cover approximately 4.5 million lives. Prior to joining UPMC in January 2024, Mr. Griffin was the Chief Strategy Officer for MaineHealth since 2022 and the Senior Vice President of Financial Planning & Analysis at Novant Health from 2012 until 2022. Before embarking on his career in healthcare, Mr. Griffin was a career investment banker who worked for several notable firms including Lazard Ltd, JPMorgan, Bank of America and several boutique firms. Mr. Griffin’s investment banking experience consists primarily of executing and originating mergers and acquisitions and corporate finance transactions.

John E. Jackson

Independent Director

John E. Jackson

John E. Jackson

Independent Director

Mr. Jackson served as the President and Chief Executive Officer of CSI Compressco LP (NASDAQ: CCLP) (“CSI Compressco”), a provider of compression services and equipment for natural gas and oil production, gathering, transportation, processing and storage from 2021 until April 2024. Mr. Jackson previously served as the President and Chief Executive Officer of Spartan Energy Partners, which acquired the general partner of CSI Compressco in January 2021 before becoming a subsidiary of CSI Compressco through a restructuring transaction in November 2021. He has also been a director of Seitel, Inc., a privately owned provider of onshore seismic data to the oil and gas industry in North America, since August 2007. He previously served as a director of Basic Energy Services, Inc. (NYSE: BAS), a provider of well-site services in the United States to oil and natural gas drilling and producing companies, from December 2016 until December 2021, and was a member of the compensation committee and the chair of the audit committee of Basic Energy Services, Inc. He previously served as a director of CNX Midstream Partners, LP, formerly known as CONE Midstream Partners, LP (NYSE: CNXM, formerly CNNX), a master limited partnership that owns and operates natural gas gathering and other midstream energy assets in the Marcellus Shale in Pennsylvania and West Virginia, from January 2015 until its sale in September 2020, and was a member of its audit committee during that time. Mr. Jackson was Chairman, Chief Executive Officer and President of Price Gregory Services, Inc., a pipeline-related infrastructure service provider in North America, from February 2008 until its sale in October of 2009. He served as a director of Hanover Compressor Company (“Hanover”), now known as Exterran Corporation (NYSE: EXTN) and Archrock, Inc. (NYSE: AROC), from July 2004 until May 2010. Mr. Jackson also served as Hanover’s President and Chief Executive Officer from October 2004 to August 2007 and as Chief Financial Officer from January 2002 to October 2004. He also serves on the board of several nonprofit organizations.

Brian E. Lane

Independent Director

Brian E. Lane

Brian E. Lane

Independent Director

Mr. Lane has served as Chief Executive Officer and President of Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation and air conditioning and electrical services, since December 2011 and as a director of Comfort Systems since November 2010. Mr. Lane served as Comfort Systems’ President and Chief Operating Officer from March 2010 until December 2011. Mr. Lane joined Comfort Systems in October 2003 and served as Vice President and then Senior Vice President for Region One until he was named Executive Vice President and Chief Operating Officer in January 2009. Prior to joining Comfort Systems, Mr. Lane spent fifteen years at Halliburton Company (NYSE: HAL), a global service and equipment company devoted to energy, industrial, and government customers. During his tenure at Halliburton, he held various positions in business development, strategy and project initiatives, and he departed as the Regional Director of Europe and Africa. Mr. Lane’s additional experience included serving as a Regional Director of Capstone Turbine Corporation (NASDAQ: CPST), a distributed power manufacturer. He also was a Vice President of Kvaerner, an international engineering and construction company, where he focused on the chemical industry. Mr. Lane earned a Bachelor of Science in Chemistry from the University of Notre Dame and his MBA from Boston College.

Dunia A. Shive

Independent Director

Dunia A. Shive

Dunia A. Shive

Independent Director

Ms. Shive served as Chief Executive Officer and President of Belo Corp. (NYSE: BLC), a media company that owned several television stations, from 2008 until its acquisition by Gannett Co., Inc. in 2013. After the acquisition, Ms. Shive served as Senior Vice President of TEGNA Inc., formerly Gannett Co., Inc. (NYSE: TGNA, formerly GCI), a broadcast and digital media company, until retiring in 2017. She joined Belo Corp. in 1993 and served in a variety of leadership positions during her tenure, including Chief Financial Officer. Ms. Shive has served on the boards of directors of Kimberly-Clark Corporation (NYSE: KMB), a global manufacturer of branded tissue and personal care products, since May 2019, and Trinity Industries, Inc. (NYSE: TRN), a leading provider of rail transportation products and services in North America, since March 2014, and DallasNews Corporation (NYSE: DALN), the leading local news and information publishing company in Texas, since September 2021. She serves (i) as the chair of the audit committee of Kimberly-Clark Corporation’s board of directors, (ii) on the corporate governance and directors nominating committee, the finance and risk committee, and as the chair of the audit committee of Trinity Industries, Inc.’s board of directors and (iii) on the compensation and management development committee and as the chair of the nominating and corporate governance committee of DallasNews Corporation’s board of directors. Ms. Shive serves as a Trustee of the Downtown Dallas Parks Conservancy. From 2014 to 2018, she was a director of Dr Pepper Snapple Group, Inc., now known as Keurig Dr Pepper Inc. (NYSE: KDP, formerly DPS). From 2009 to 2015, she served on the board of directors of the Associated Press, where she served as chair of the audit committee from 2011 to 2015. From 2008 to 2013, she served on the board of directors of Belo Corp.

Stephen B. Solcher

Independent Director

Stephen B. Solcher

Stephen B. Solcher

Independent Director

Mr. Solcher served as the Senior Vice President of Finance and Business Operations and Chief Financial Officer of BMC Software, Inc. (“BMC”), a privately held company that is a global leader in software solutions, from August 2005 until October 2020, and as executive advisor from October 2020 until retiring in October 2021. Previously, Mr. Solcher served as BMC’s Treasurer and Vice President of Finance. He joined BMC in September 1991 as Assistant Treasurer and became Treasurer the following year. During Mr. Solcher’s tenure, BMC grew from nearly $130 million in annual revenue to $2.2 billion in annual revenue in 2013, its last year operating as a public company. In addition to leading many M&A transactions as Chief Financial Officer, Mr. Solcher was instrumental in BMC’s transition from being a publicly traded company to becoming a privately held company in 2013. Prior to joining BMC, he was employed by Arthur Andersen as a certified public accountant. Mr. Solcher also serves on the development board of the Mays Business School at Texas A&M University and has served on the board of numerous nonprofit organizations. He was recognized by Institutional Investor magazine as part of the “All American Executive Team” in 2010 and 2012 and by Houston Business Journal as 2012 Best CFO — Large Public Company.