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
Neurobiological Technologies, 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 November 8,
2007.
Highland Capital Management, L.P. |
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By: | Strand Advisors, Inc., its general partner |
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Strand Advisors, Inc. |
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By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Xxxxx X. Xxxxxxx |
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/s/ Xxxxx X. Xxxxxxx | ||||
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