UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1)*

                               PDL BioPharma, Inc.
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
                         (Title of Class of Securities)

                                    69329Y104
                                 (CUSIP Number)

                                December 31, 2008
             (Date of Event Which Requires Filing of this Statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

     [ ] Rule 13d-1(b)
     [X] Rule 13d-1(c)
     [ ] Rule 13d-1(d)





- ----------------
     *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



                               Page 1 of 20 Pages


CUSIP No. 69329Y104 13G Page 2 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge International LLC - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February OWNED BY 15, 2012, convertible into 2,645,616 shares of Common Stock EACH $41,380,000 aggregate principal amount of REPORTING 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 4,723,651 PERSON WITH shares of Common Stock -------------------------------------------------------- (7) SOLE DISPOSITIVE POWER 0 -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $41,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 4,723,651 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $41,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 4,723,651 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.81% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 3 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Convertible Arbitrage Master Fund, L.P. - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 0 OWNED BY EACH ------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING 0 ------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 0 - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED 0 - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 4 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS STAR L.P. (a statistical arbitrage strategy) - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 62,257 shares of Common Stock OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 62,257 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 62,257 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.05% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 5 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Statistical Market Neutral Fund - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 665,435 shares of Common Stock OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 665,435 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 665,435 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.56% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 6 of 20 Page - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P. - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 4,804 shares of Common Stock OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 4,804 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,804 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.00% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 7 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS SGAM AI Equity Fund - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Luxembourg - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 139,846 shares of Common Stock OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 139,846 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 139,846 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.12% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 8 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Statistical Opportunities Master Fund, L.P. - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 74,505 shares of Common Stock OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 74,505 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 74,505 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.06% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 9 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Convertible Opportunities Master Fund, L.P. - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER $5,000,000 aggregate principal amount of OWNED BY 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 570,765 EACH shares of Common Stock -------------------------------------------------------- REPORTING (7) SOLE DISPOSITIVE POWER 0 PERSON WITH -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER $5,000,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 570,765 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON $5,000,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 570,765 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.48% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 10 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Highbridge Capital Management, LLC - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER $32,200,000 aggregate principal amount of OWNED BY 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares EACH of Common Stock REPORTING $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due PERSON WITH August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock -------------------------------------------------------- (7) SOLE DISPOSITIVE POWER 0 -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.97% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 11 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Glenn Dubin - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER $32,200,000 aggregate principal amount of OWNED BY 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares EACH of Common Stock REPORTING $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due PERSON WITH August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock -------------------------------------------------------- (7) SOLE DISPOSITIVE POWER 0 -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.97% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 12 of 20 Pages - ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Henry Swieca - ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [X] (b) [ ] - ----------------------------------------------------------------------- (3) SEC USE ONLY - ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER $32,200,000 aggregate principal amount OWNED BY of 2.00% Convertible Senior Notes due February 15, 2012, convertible into EACH 2,645,616 shares of Common Stock REPORTING $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due PERSON WITH August 16, 2023, convertible into 5,294,416 shares of Common Stock PERSON WITH 946,847 shares of Common Stock -------------------------------------------------------- (7) SOLE DISPOSITIVE POWER 0 -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012, convertible into 2,645,616 shares of Common Stock $46,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due August 16, 2023, convertible into 5,294,416 shares of Common Stock 946,847 shares of Common Stock - ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.97% - ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN - -----------------------------------------------------------------------

CUSIP No. 69329Y104 13G Page 13 of 20 Pages This Amendment No. 1 (this "Amendment") amends the statement on Schedule 13G filed on May 15, 2008 (the "Original Schedule 13G" and the Original Schedule 13G as amended, the "Schedule 13G") with respect to shares of common stock, par value $0.01 per share (the "Common Stock") of PDL BioPharma, Inc., a Delaware corporation (the "Company"). Capitalized terms used herein and not otherwise defined in this Amendment have the meanings set forth in the Schedule 13G. This Amendment amends and restates Items 2(a), 2(b), 2(c), 4 and 5 in their entirety as set forth below. Item 2(a). Name of Person Filing Item 2(b). Address of Principal Business Office Item 2(c). Citizenship Highbridge International LLC ---------------------------- c/o Harmonic Fund Services The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Star, L.P. (a statistical arbitrage strategy) ---------------------------------------------- c/o Harmonic Fund Services The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Statistical Market Neutral Fund ------------------------------------------ c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: State of Delaware Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P. --------------------------------------------------------------- c/o Harmonic Fund Services The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies SGAM AI Equity Fund ------------------- 170 Place Henri Regnault-La Defense 6 92043 Paris - La Defense Cedex France Citizenship: Luxembourg Highbridge Statistical Opportunities Master Fund, L.P. ------------------------------------------------------ c/o Harmonic Fund Services

CUSIP No. 69329Y104 13G Page 14 of 20 Pages The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Convertible Opportunities Master Fund, L.P. ------------------------------------------------ Maples Corporate Services Limited PO Box 309, Ugland House Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Capital Management, LLC ----------------------------------- 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: State of Delaware Glenn Dubin ----------- c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States Henry Swieca ------------ c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States Item 4. Ownership Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: As of the date of this filing, (i) Highbridge International LLC beneficially owns $32,200,000 aggregate principal amount of 2.00% Convertible Senior Notes due February 15, 2012 (the "2012 Notes"), convertible into 2,645,616 shares of Common Stock (not counting any accrued and unpaid interest on the 2012 Notes) and $41,380,000 aggregate principal amount of 2.75% Convertible Subordinated Notes due April 16, 2023 (the "2023 Notes" and together with the 2012 Notes, the "Notes"), convertible into 4,723,651 shares of Common Stock (not counting any accrued and unpaid interest on the 2023 Notes), (ii) Highbridge Convertible Arbitrage Master Fund, L.P. no longer beneficially owns any shares of Common Stock, (iii) STAR, L.P. (a statistical arbitrage strategy) beneficially owns 62,257 shares of Common Stock, (iv) Highbridge Statistical Market Neutral Fund beneficially owns 665,435 shares of Common Stock, (v) Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P. beneficially owns 4,804 shares of Common Stock, (vi) SGAM AI Equity Fund beneficially owns 139,846 shares of Common Stock and,(vii) Highbridge Statistical Opportunities Master Fund, L.P. beneficially owns 74,505 shares of Common Stock, (viii) and Highbridge Convertible Opportunities Master Fund, L.P. beneficially owns $5,000,000 aggregate principal amount of the 2023 Notes, convertible into 570,765 shares of Common Stock (not counting any accrued and

CUSIP No. 69329Y104 13G Page 15 of 20 Pages unpaid interest on the 2023 Notes), and (ix) each of Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca may be deemed the beneficial owner of $32,200,000 aggregate principal amount of the 2012 Notes, convertible into 2,645,616 shares of Common Stock (not counting any accrued and unpaid interest on the 2012 Notes) beneficially owned by Highbridge International LLC, the $46,380,000 aggregate principal amount of the 2023 Notes, convertible into 5,294,416 shares of Common Stock (not counting any accrued and unpaid interest on the 2023 Notes) beneficially owned by Highbridge International LLC and Highbridge Convertible Opportunities Master Fund, L.P. and the 946,847 shares of Common Stock beneficially owned by STAR, L.P. (a statistical arbitrage strategy), Highbridge Statistical Market Neutral Fund, Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P., SGAM AI Equity Fund and Highbridge Statistical Opportunities Master Fund, L.P. Highbridge Capital Management, LLC is the sub-advisor to Highbridge Statistical Market Neutral Fund and SGAM AI Equity Fund and is the trading manager of Highbridge International LLC, Highbridge Convertible Arbitrage Master Fund, L.P., Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P., STAR, L.P. (a statistical arbitrage strategy), Highbridge Statistical Opportunities Master Fund, L.P. and Highbridge Convertible Opportunities Master Fund, L.P. Glenn Dubin is the Chief Executive Officer of Highbridge Capital Management, LLC. Henry Swieca is the Chief Investment Officer of Highbridge Capital Management, LLC. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. In addition, each of Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca disclaims beneficial ownership of shares of Common Stock held by Highbridge International LLC, Highbridge Convertible Arbitrage Master Fund, L.P., Highbridge Statistical Market Neutral Fund, Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P., STAR, L.P. (a statistical arbitrage strategy), SGAM AI Equity Fund, Highbridge Statistical Opportunities Master Fund, L.P. and Highbridge Convertible Opportunities Master Fund, L.P. (b) Percent of class: The Company's quarterly report for the quarterly period ended September 30, 2008 filed on Form 10-Q on November 7, 2008, indicates that as of November 3, 2008, there were 119,506,838 shares of Common Stock outstanding. Therefore, based on the Company's outstanding shares of Common Stock and assuming the conversion of the Notes, (i) Highbridge International LLC may be deemed to beneficially own 5.81% of the outstanding shares of Common Stock of the Company, (ii) Highbridge Convertible Arbitrage Master Fund, L.P. no longer beneficially owns any shares of Common Stock of the Company, (iii) STAR, L.P. (a statistical arbitrage strategy) may be deemed to beneficially own 0.05% of the outstanding shares of Common Stock of the Company, (iv) Highbridge Statistical Market Neutral Fund may be deemed to beneficially own 0.56% of the outstanding shares of Common Stock of the Company, (v) Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P. may be deemed to beneficially own 0.00% of the outstanding shares of Common Stock of the Company, (vi) SGAM AI Equity Fund may be deemed to beneficially own 0.12% of the outstanding shares of Common Stock of the Company, (vii) Highbridge Statistical Opportunities Master Fund, L.P. may be deemed to beneficially own 0.06% of the outstanding shares of Common Stock of the Company, (viii) Highbridge Convertible Opportunities Master Fund, L.P. may be deemed to beneficially own 0.48% of the outstanding shares of Common Stock of the Company and (vii) each of

CUSIP No. 69329Y104 13G Page 16 of 20 Pages Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca may be deemed to beneficially own 6.97% of the outstanding shares of Common Stock of the Company. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 0 (ii) Shared power to vote or to direct the vote See Item 4(a) (iii) Sole power to dispose or to direct the disposition of 0 (iv) Shared power to dispose or to direct the disposition of See Item 4(a) Item 5. Ownership of Five Percent or Less of a Class As of the date hereof, Highbridge Convertible Arbitrage Master Fund, L.P. no longer beneficially owns any shares of Common Stock of the Company and has ceased to be a Reporting Person with respect to the shares of Common Stock. Exhibits: Exhibit I: Joint Filing Agreement, dated as of February 13, 2009, by and among Highbridge International LLC, STAR, L.P. (a statistical arbitrage strategy), Highbridge Statistical Market Neutral Fund, Highbridge Statistically Enhanced Equity Master Fund-U.S., L.P., SGAM AI Equity Fund, Highbridge Statistical Opportunities Master Fund, L.P., Highbridge Convertible Opportunities Master Fund, L.P., Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca.

CUSIP No. 69329Y104 13G Page 17 of 20 Pages SIGNATURES After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct. Dated: February 13, 2009 HIGHBRIDGE CAPITAL MANAGEMENT, LLC HIGHBRIDGE INTERNATIONAL LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------ Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE CONVERTIBLE ARBITRAGE STAR, L.P. (a statistical arbitrage MASTER FUND, L.P. strategy) By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Trading Manager its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------- Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE STATISTICAL MARKET NEUTRAL HIGHBRIDGE STATISTICALLY ENHANCED FUND EQUITY MASTER FUND-U.S., L.P. By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Sub-Advisor its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------ Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE STATISTICAL OPPORTUNITIES SGAM AI EQUITY FUND MASTER FUND, L.P. By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Sub-Advisor its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------ Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE CONVERTIBLE OPPORTUNITIES MASTER FUND, L.P. By: Highbridge Capital Management, LLC /s/ Glenn Dubin its Trading Manager ------------------------------ GLENN DUBIN

CUSIP No. 69329Y104 13G Page 18 of 20 Pages By: /s/ John Oliva - ------------------------------ Name: John Oliva Title: Managing Director /s/ Henry Swieca - ------------------------------ HENRY SWIECA

CUSIP No. 69329Y104 13G Page 19 of 20 Pages EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the shares of Common Stock, $0.01 par value, of PDL BioPharma, Inc., is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated as of February 13, 2009 HIGHBRIDGE CAPITAL MANAGEMENT, LLC HIGHBRIDGE INTERNATIONAL LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------ Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE CONVERTIBLE ARBITRAGE STAR, L.P. (a statistical arbitrage MASTER FUND, L.P. strategy) By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Trading Manager its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------- Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE STATISTICAL MARKET NEUTRAL HIGHBRIDGE STATISTICALLY ENHANCED FUND EQUITY MASTER FUND-U.S., L.P. By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Sub-Advisor its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------- Name: John Oliva Name: John Oliva Title: Managing Director Title: Managing Director HIGHBRIDGE STATISTICAL OPPORTUNITIES SGAM AI EQUITY FUND MASTER FUND, L.P. By: Highbridge Capital Management, LLC By: Highbridge Capital Management, LLC its Sub-Advisor its Trading Manager By: /s/ John Oliva By: /s/ John Oliva ------------------------------ ------------------------------- Name: John Oliva Name: John Oliva

CUSIP No. 69329Y104 13G Page 20 of 20 Pages Title: Managing Director Title: Managing Director HIGHBRIDGE CONVERTIBLE OPPORTUNITIES MASTER FUND, L.P. By: Highbridge Capital Management, LLC /s/ Glenn Dubin its Trading Manager ----------------------------------- GLENN DUBIN By: /s/ John Oliva - ------------------------------ Name: John Oliva Title: Managing Director /s/ Henry Swieca - ------------------------------ HENRY SWIECA