AGREEMENT PURSUANT TO RULE 13d-1(k)(1) CONCERNING JOINT SCHEDULE 13G FILINGJoint Filing Agreement • February 14th, 2005 • PortalPlayer, Inc. • Semiconductors & related devices
The undersigned each agree, in connection with their beneficial ownership of common stock of PortalPlayer, Inc., (i) that a Schedule 13G shall be filed jointly by them pursuant to Section 13(d) of the Securities Exchange Act of 1934 (the “Exchange Act”), together with any amendments to the Schedule 13G that from time to time may be required; and (ii) that the Schedule 13G and any such amendments are filed on behalf of each of them. The undersigned acknowledge their respective responsibilities as set forth in Rule 13d-1(k)(1) promulgated under the Exchange Act.
