Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k) 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 originally filed March 23, 2012 (including amendments thereto) with respect to the shares of Common Stock, par value $0.001 per share, of Crystal Rock Holdings, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: March 23, 2012
| AB Value Partners, L.P. | ||
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| By: | AB Value Management LLC General Partner | |
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| By: | /s/ Andrew Berger | |
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| Name: | Andrew Berger |
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| Title: | Manager |
| AB Value Management LLC | ||
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| By: | /s/ Andrew Berger | |
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| Name: | Andrew Berger |
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| Title: | Manager |
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Hamilton Partners | ||
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| By: | /s/ Andrew Berger | |
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| Name: | Andrew Berger |
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| Title: | Manager |
| /s/ Andrew Berger |
| Name: Andrew Berger |