Exhibit A Joint Filing Agreement
Exhibit 99
Exhibit A
In accordance with Rule 13d-l(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 of
Schedule 13G (including amendments thereto) with regard to the common stock of Microvision, 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 February 16, 2010.
| HIGHLAND CREDIT STRATEGIES FUND | ||||||||
| 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 | ||||||||
