EXHIBIT 1
JOINT FILING AGREEMENT
In accordance withRule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them a Statement on Schedule 13D (including amendments thereto) with regard to the Common Stock, $1.00 par value, of Lawson Products, Inc., a Delaware corporation, and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filings. In evidence thereof, the undersigned, being duly authorized, hereby execute this Agreement as of December 17, 2018.
| LKCM Private Discipline Master Fund, SPC | ||
| By: | LKCM Private Discipline Management, L.P., sole holder of its management shares | |
| By: | LKCM Alternative Management, LLC, its general partner | |
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| PDLP Lawson, LLC | ||
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| LKCM Investment Partnership, L.P. | ||
| By: | LKCM Investment Partnership GP, LLC, its general partner | |
| By: | /s/ J. Luther King, Jr. | |
| J. Luther King, Jr., President | ||
| LKCM Headwater Investments II, L.P. | ||
| By: | LKCM Headwater Investments II GP, L.P., its general partner | |
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| LKCMMicro-Cap Partnership, L.P. | ||
| By: | LKCMMicro-Cap Management, L.P., its general partner | |
| By: | LKCM Alternative Management, LLC, its general partner | |
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| LKCM Core Discipline, L.P. | ||
| By: | LKCM Core Discipline Management, L.P., its general partner | |
| By: | LKCM Alternative Management, LLC, its general partner | |
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| Headwater Lawson Investors, LLC | ||
| By: | /s/ J. Bryan King | |
| J. Bryan King, President | ||
| Luther King Capital Management Corporation | ||
| By: | /s/ J. Bryan King | |
| J. Bryan King, Principal and Vice President | ||
/s/ J. Bryan King | ||
| J. Bryan King | ||
/s/ J. Luther King, Jr. | ||
| J. Luther King, Jr. | ||
