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 | |