X0303 4 2009-05-04 1 0000065770 MICROVISION INC MVIS 0001167365 HIGHLAND CAPITAL MANAGEMENT LP 13455 NOEL ROAD SUITE 800 DALLAS TX 75240 0 0 1 0 0001228922 DONDERO JAMES D 13455 NOEL ROAD SUITE 800 DALLAS TX 75240 0 0 1 0 0001381169 Strand Advisors, Inc. 13455 NOEL ROAD SUITE 800 DALLAS TX 75240 0 0 1 0 Common Stock 2009-05-04 4 S 0 40000 2.03 D 4847287 I See Footnotes Common Stock 2009-05-08 4 S 0 60000 1.85 D 4787287 I See Footnotes Common Stock 2009-05-11 4 A 0 65000 1.80 D 4722287 I See Footnotes This statement is jointly filed by and on behalf of each of Highland Capital Management, L.P., Strand Advisors, Inc., and James D. Dondero. Highland acts as an investment adviser to, and manages investment and trading accounts of, other persons and may be deemed, through investment advisory contracts or otherwise, to beneficially own securities owned by other persons. Strand Advisors is the general partner of Highland and may be deemed to beneficially own securities owned by Highland. Mr. Dondero is the President and a director of Strand Advisors and may be deemed to beneficially own securities owned by Strand Advisors Each reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for purposes of Section 16 of the Act or otherwise, the beneficial owner of any securities covered by this statement. Each reporting person disclaims beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such person in such securities. Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act) with any other person as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the issuer or otherwise with respect to the issuer or any securities of the issuer or (ii) a member of any syndicate or group with respect to the issuer or any securities of the issuer. See Exhibit 99.1 Joint Filer Agreement /s/ James D. Dondero 2009-05-21 James D. Dondero 2009-05-21 James D. Dondero 2009-05-21