JPMP BHCA/Portal Player, Inc. Exhibit 99.1

Name and Address of Reporting Person(1)	Designated Reporter(1))	Statement for (month/day/year)	Issuer Name, Ticker or Trading Symbol	Title and Amount of Security	Title of Derivative Securities and Title and Amount of Securities Underlying Derivative Securities	Ownership Form: Direct (D) or Indirect (I)	Nature of Indirect Beneficial Ownership	Disclaims Pecuniary Interest
JPMP Master Fund Manager, L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas - 40th Floor New York, NY 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 1	N/A	I	See Explanatory Note 2 below	No
JPMP Capital Corp. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas - 40th Floor New York, NY 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I	N/A	I	See Explanatory Note 3 below	No
JPMorgan Chase & Co. 270 Park Avenue 35th Floor New York, NY 10017	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I	N/A	I	See Explanatory Note 4 below	No
J.P. Morgan Partners, Global Investors, L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 2	N/A	D
J.P. Morgan Partners, Global Investors A, L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 3	N/A	D
J.P. Morgan Partners, Global Investors (Cayman), L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 4	N/A	D

J.P. Morgan Partners Global Investors (Cayman) II, L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 5	N/A	D
J.P. Morgan Partners Global Investors (Selldown), L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Row 6	N/A	D
JPMP Global Investors, L.P. c/o J.P. Morgan Partners, LLC 1221 Avenue of the Americas-40th Floor New York, New York 10020	J.P. Morgan Partners (BHCA), L.P.	December 31, 2004	PortalPlayer, Inc. (“PLAY”)	See Table I Rows 2-6	N/A	I	See Explanatory Note 5 below	No

Explanatory Note:

1) The Designated Reporter is executing this report on behalf of all Reporting Persons, each of whom has authorized it to do so. Each of the Reporting Persons disclaims beneficial ownership of the Issuer’s securities to the extent it exceeds such Person’s pecuniary interest.

2) The amount shown in Table I row 1 represents the beneficial ownership of the Issuer’s securities owned by J.P. Morgan Partners (BHCA), L.P. ("JPMP BHCA"), a portion of which may be deemed attributable to the Reporting Person because it is the sole general partner of JPMP BHCA.

3) The amount shown in Table I row 1 represents the beneficial ownership of the Issuer’s securities owned by (a) JPMP BHCA, and (b) J.P. Morgan Partners Global Investors, L.P., J.P. Morgan Partners Global Investors A, L.P., J.P. Morgan Partners Global Investors (Cayman), L.P., J.P. Morgan Partners Global Investors (Cayman) II, L.P., and J.P. Morgan Partners Global Investors (Selldown), L.P. (collectively, the “JPMP Global Entities”), a portion of which may be deemed attributable to the Reporting Person because it is (1) the general partner of JPMP Master Fund Manager, L.P. (“MF Manager”), the sole general partner of JPMP BHCA and (2) the general partner of JPMP Global Investors, L.P. (“JPMP Global Investors”) which is the general partner of each of the JPMP Global Entities. The Reporting Person disclaims such beneficial ownership except to the extent of its pecuniary interest therein which is not readily determinable because it is subject to several variables, including without limitation, the internal rates of return and vesting of interests within JPMP BHCA and the JPMP Global Entities.

4) The amount shown in Table I row 1 represents the beneficial ownership of the Issuer’s Series securities owned by JPMP BHCA and the JPMP Global Entities, a portion of which may be deemed attributable the Reporting Person because it is the sole stockholder of (1) JPMP Capital Corp., the general partner of (a) MF Manager, the sole general partner of JPMP BHCA and (b) JPMP Global Investors, the general partner of each of the JPMP Global Entities and of (2) Chatham Ventures, Inc., and the limited partner of JPMP BHCA. The Reporting Person disclaims such beneficial ownership except to the extent of its pecuniary interest therein which is not readily determinable because it is subject to several variables, including without limitation, the internal rates of return and vesting of interests within JPMP BHCA and the JPMP Global Entities.

5) The amounts shown in Table I rows 2-6 represent the beneficial ownership of the Issuer’s securities owned by the JPMP Global Entities, a portion of which may be deemed attributable to JPMP Global Investors, L.P. because it is the general partner of each of the JPMP Global Entities.

This Statement on Form 4 is filed by J.P. Morgan Partners (BHCA), L.P., J.P. Morgan Partners Global Investors, L.P., J.P. Morgan Partners Global Investors A, L.P., J.P. Morgan Partners Global Investors (Cayman), L.P., J.P. Morgan Partners Global Investors (Cayman) II, L.P., JPMP Master Fund Manager, L.P., JPMP Capital Corp., JPMP Global Investors, L.P., and JPMorgan Chase & Co. The principal business address of each of the reporting persons except JPMorgan Chase & Co. is c/o J.P. Morgan Partners, LLC , 1221 Avenue of the Americas - 40th Floor, New York, NY 10020. The principal business address of JPMorgan Chase & Co. is 270 Park Avenue - 35^th Floor, New York, NY 10017.

Name of Designated Filer: J.P. Morgan Partners (BHCA), L.P.

Date of Event Requiring Statement: December 31, 2004

Issue Name and Ticker or Trading Symbol: Portal Player, Inc. (“PLAY”)

J.P. MORGAN PARTNERS (BHCA), L.P.
By:	JPMP Master Fund Manager, L.P.,
	its general partner
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President
J.P. MORGAN PARTNERS GLOBAL INVESTORS, L.P.
By:	JPMP Global Investors, L.P.,
	its general partner
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President

J.P. MORGAN PARTNERS GLOBAL INVESTORS A, L.P.
By:	JPMP Global Investors, L.P.,
	its general partner
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President
J.P. MORGAN PARTNERS GLOBAL INVESTORS (CAYMAN), L.P.
By:	JPMP Global Investors, L.P.,
	its general partner
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President

J.P. MORGAN PARTNERS GLOBAL INVESTORS (CAYMAN) II, L.P.
By:	JPMP Global Investors, L.P.,
	its general partner
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President
JPMP MASTER FUND MANAGER, L.P.
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Jeffrey C. Walker
	President
JPMP GLOBAL INVESTORS, L.P.
By:	JPMP Capital Corp.,
	its general partner
By:	___________________________
	Name: Jeffrey C. Walker
	Title: President
JPMP CAPITAL CORP.
By:	___________________________
	Jeffrey C. Walker
	President
JPMORGAN CHASE & CO.
By:	___________________________
	Jeffrey C. Walker
	Vice Chairman