On June 12, 2025, the Board of Directors (the ?Board?) of Columbus Circle Capital Corp. I (the ?Company?) appointed Daniel Nash as Chief Operating Officer of the Company. Mr. Nash is a seasoned finance executive with over 25 years of investment banking and operating finance experience.

From February 2021 to June 2025, Mr. Nash served as the Head of Investment Banking at Cohen & Company Capital Markets, a division of J.V.B. Financial Group, LLC, where he led all aspects of investment banking including mergers and acquisitions advisory, private capital markets, special purpose acquisition companies (?SPACs?) advisory, and private investments in public equity (?PIPEs). From 2014 to 2018 and from 2019 to 2021, Mr. Nash was the Global Head of Internet Investment Banking at Wells Fargo Securities, LLC (?Wells Fargo?), where he advised many technology companies on their initial public offerings, acquisitions, SPAC mergers, private placements, and debt financings. From 2018 to 2019, Mr. Nash was the Chief Financial Officer at Machine Zone Inc., a mobile gaming company.

From 2006 to 2014, Mr. Nash held many positions at Bank of America and Bank of America Merrill Lynch, including Director of Internet Investment Banking, Vice President, and Associate of Investment Banking. From 2000 to 2004, Mr. Nash worked at Riverstone Networks Inc. as analyst and manager. From 1999 to 2000, Mr. Nash worked at Intel Corporation as a financial analyst.

Mr. Nash has a Master of Business Administration from the Hass School of Business at University of California, Berkeley, a bachelor?s degree in Economics from University of Pennsylvania, and a General Course degree with a focus on Mathematics from the London School of Economics. Effective June 12, 2025, Dr. Adam Back resigned as a member of the Compensation Committee of the Board. Dr. Back remains as a member of the Board and the Audit Committee of the Board.

On June 12, 2025, the Board appointed Matthew Murphy, a member of the Board of the Company, as a member of the Compensation Committee of the Board to fill the vacancy created by Dr. Back?s resignation.