EXHIBIT A JOINT FILING AGREEMENT
EXHIBIT A
In accordance with Rule 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 and Schedule 13G (including amendments thereto) with regard to the Common Stock of
Kindred Healthcare, 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 Joint Filing Agreement as of October 22, 2007.
| Highland Equity Opportunities Fund | ||||||||
| By: | Highland Fund I, its management investment company | |||||||
| By: | /s/ Xxxxx X. Xxxxxxx | |||||||
| Xxxxx X. Xxxxxxx, President | ||||||||
| Highland Capital Management, L.P. | ||||||||
| By: | Strand Advisors, Inc., its general partner | |||||||
| By: | /s/ Xxxxx X. Xxxxxxx | |||||||
| Xxxxx X. Xxxxxxx, President | ||||||||
| Strand Advisors, Inc. | ||||||||
| By: | /s/ Xxxxx X. Xxxxxxx | |||||||
| Xxxxx X. Xxxxxxx, President | ||||||||
| Xxxxx X. Xxxxxxx | ||||||||
| /s/ Xxxxx X. Xxxxxxx | ||||||||
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