X0306 4 2019-05-14 0001703956 Concrete Pumping Holdings, Inc. BBCP 0001760988 Argand Partners, LP C/O CONCRETE PUMPING HOLDINGS, INC. 6461 DOWNING STREET DENVER CO 80229 1 1 1 See below Common Stock 2019-05-14 4 P 0 1625000 4.50 A 15477138 I See Footnote CFLL Holdings, LLC ("CFLL Holdings") purchased shares from the underwriters in connection with the Issuer's follow-on public offering of common stock at the public offering price pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended. CFLL Holdings is the beneficial owner of the shares reported herein. Howard D. Morgan, Heather L. Faust, Tariq Osman, Joseph Del Toro and Charles Burns are the managers of CFLL Holdings and each has individual voting and investment discretion with respect to the common stock held by CFLL Holdings. CFLL Holdings is 100% owned by funds managed by the Reporting Person, and as such the Reporting Person has voting and dispositive control over all of the securities held directly by CFLL Holdings. Investment decisions made by the Reporting Person require the unanimous approval of its investment committee, which is comprised of Messrs. Morgan and Osman and Ms. Faust. The Reporting Person may be deemed director by deputization as a result of Heather Faust, Tariq Osman and Howard Morgan, each of whom is a Managing Director of the Reporting Person, serving on the board of directors of the Issuer. /s/ Joel Rubinstein, Attorney-in-Fact 2019-05-16