Exhibit 99.1

Joint Filer Information


Name of Joint Filer:		Argand Partners Fund, LP

Address of Joint Filer:		c/o Industrea Acquisition Corp.
		28 West 44th Street, Suite 501
		New York, NY 10036

Relationship of Joint Filer to Industrea Acquisition Corp.:		10% Owner

Issuer Name and Ticker or Trading Symbol:		Concrete Pumping Holdings, Inc. (BBCP)

Date of Event Requiring Statement:
(Month/Day/Year):		12/06/2018

Designated Filer:		Argand Partners Fund, LP


Name of Joint Filer:		Argand Partners Institutional Co-Invest Fund, LP

Address of Joint Filer:		c/o Industrea Acquisition Corp.
		28 West 44th Street, Suite 501
		New York, NY 10036

Relationship of Joint Filer to Industrea Acquisition Corp.:		10% Owner

Issuer Name and Ticker or Trading Symbol:		Concrete Pumping Holdings, Inc. (BBCP)

Date of Event Requiring Statement:
(Month/Day/Year):		12/06/2018

Designated Filer:		Argand Partners Fund, LP


Name of Joint Filer:		Argand Partners SEA Fund AI, LP

Address of Joint Filer:		c/o Industrea Acquisition Corp.
		28 West 44th Street, Suite 501
		New York, NY 10036

Relationship of Joint Filer to Industrea Acquisition Corp.:		10% Owner

Issuer Name and Ticker or Trading Symbol:		Concrete Pumping Holdings, Inc. (BBCP)

Date of Event Requiring Statement:
(Month/Day/Year):		12/06/2018

Designated Filer:		Argand Partners Fund, LP


Name of Joint Filer:		Argand Partners SEA Fund QP, LP

Address of Joint Filer:		c/o Industrea Acquisition Corp.
		28 West 44th Street, Suite 501
		New York, NY 10036

Relationship of Joint Filer to Industrea Acquisition Corp.:		10% Owner

Issuer Name and Ticker or Trading Symbol:		Concrete Pumping Holdings, Inc. (BBCP)

Date of Event Requiring Statement:
(Month/Day/Year):		12/06/2018

Designated Filer:		Argand Partners Fund, LP


Name of Joint Filer:		Argand Partners Team Co-Invest Fund LP

Address of Joint Filer:		c/o Industrea Acquisition Corp.
		28 West 44th Street, Suite 501
		New York, NY 10036

Relationship of Joint Filer to Industrea Acquisition Corp.:		10% Owner

Issuer Name and Ticker or Trading Symbol:		Concrete Pumping Holdings, Inc. (BBCP)

Date of Event Requiring Statement:
(Month/Day/Year):		12/06/2018

Designated Filer:		Argand Partners Fund, LP

Argand Partners Fund, LP 4