Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D dated February 22, 2010 (including amendments thereto) with respect to the Common Stock, par value $0.01 per share, of SouthWest Water Company. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: February 22, 2010
| | MMI INVESTMENTS, L.P. |
| | |
| | By: | MCM Capital Management, LLC General Partner |
| | |
| | By: | /s/ JEROME J. LANDE |
| | | Jerome J. Lande |
| | | Executive Vice President |
| | MCM CAPITAL MANAGEMENT, LLC |
| | |
| | By: | /s/ JEROME J. LANDE |
| | | Jerome J. Lande |
| | | Executive Vice President |
| | /s/ CLAY B. LIFFLANDER |
| | Clay B. Lifflander |
