===============================================================================

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


                                  SCHEDULE 13G


                   Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*


                                REPLIDYNE, INC.
                                (Name of Issuer)


                    COMMON STOCK, PAR VALUE $0.001 PER SHARE
                         (Title of Class of Securities)


                                   76028W107
                                 (CUSIP Number)

            Amendment to the Schedule 13G Previously Filed for the
                         DECEMBER 31, 2006 Event Date
            (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)
         [_]      Rule 13d-1(c)
         [X]      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
disclosures provided in a prior cover page.

The information required on the reminder of this cover page shall not be
deemed to be "filed" for the 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).

===============================================================================


CUSIP NO. 76028W107             Schedule 13G                     Page  2 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person    Perseus-Soros BioPharmaceutical Fund, LP
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               1,487,808
Beneficially            (6)     Shared Voting Power             0
Owned by Each           (7)     Sole Dispositive Power          1,487,808
Reporting Person        (8)     Shared Dispositive Power        0
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               PN

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  3 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person            Perseus-Soros Partners, LLC
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               1,487,808
Beneficially            (6)     Shared Voting Power             0
Owned by Each           (7)     Sole Dispositive Power          1,487,808
Reporting Person        (8)     Shared Dispositive Power        0
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               OO

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  4 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person        Perseus BioTech Fund Partners, LLC
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,487,808
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,487,808
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               OO

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  5 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person                SFM Participation, L.P.
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,487,808
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,487,808
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9       5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               PN

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  6 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person               SFM AH LLC
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,487,808
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,487,808
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               OO

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  7 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person               Perseuspur, LLC
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,487,808
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,487,808
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,487,808
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.5%

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               OO

--------------------------------------------------------------------------------


CUSIP NO. 76028W107             Schedule 13G                     Page  8 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person        Frank H. Pearl
         S.S. or I.R.S. Identifica-      (in the capacity described herein)
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           United States

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,504,121*
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,504,121*
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,504,121*
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.6%*

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               IN

--------------------------------------------------------------------------------

*  This  amount  includes  16,313  shares of  common  stock  issuable  upon the
exercise of stock  options  issued to  Christopher  D. Earl,  a director of the
Company and a senior advisor to Perseus-Soros  BioPharmaceutical  Fund, LP. The
stock options are held for the benefit of an entity controlled by affiliates of
the Perseus-Soros BioPharmaceutical Fund, LP.


CUSIP NO. 76028W107             Schedule 13G                     Page  9 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person       George Soros
         S.S. or I.R.S. Identifica-     (in the capacity described herein)
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           United States

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,504,121*
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,504,121*
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,504,121*
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.6%*

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               IA

--------------------------------------------------------------------------------

*  This  amount  includes  16,313  shares of  common  stock  issuable  upon the
exercise of stock  options  issued to  Christopher  D. Earl,  a director of the
Company and a senior advisor to Perseus-Soros  BioPharmaceutical  Fund, LP. The
stock options are held for the benefit of an entity controlled by affiliates of
the Perseus-Soros BioPharmaceutical Fund, LP.



CUSIP NO. 76028W107             Schedule 13G                     Page  10 of 20


--------------------------------------------------------------------------------
1.       Name of Reporting Person         Soros Fund Management LLC
         S.S. or I.R.S. Identifica-
         tion No. of Above Person

--------------------------------------------------------------------------------
2.       Check the Appropriate Box                              (a)     [_]
         if a Member of a Group                                 (b)     [X]

--------------------------------------------------------------------------------
3.       S.E.C. Use Only

--------------------------------------------------------------------------------
4.       Citizenship or Place of Organization           Delaware

--------------------------------------------------------------------------------
Number of Shares        (5)     Sole Voting Power               0
Beneficially            (6)     Shared Voting Power             1,504,121*
Owned by Each           (7)     Sole Dispositive Power          0
Reporting Person        (8)     Shared Dispositive Power        1,504,121*
--------------------------------------------------------------------------------
9.       Aggregate Amount Beneficially Owned by Each Reporting Person

                  1,504,121*
--------------------------------------------------------------------------------
10.      Check if the Aggregate Amount in Row (9) Excludes Certain
         Shares
                                                                        [_]
--------------------------------------------------------------------------------
11.      Percent of Class Represented by Amount in Row 9        5.6%*

--------------------------------------------------------------------------------
12.      Type of Reporting Person                               OO; IA

--------------------------------------------------------------------------------

*  This  amount  includes  16,313  shares of  common  stock  issuable  upon the
exercise of stock  options  issued to  Christopher  D. Earl,  a director of the
Company and a senior advisor to Perseus-Soros  BioPharmaceutical  Fund, LP. The
stock options are held for the benefit of an entity controlled by affiliates of
the Perseus-Soros BioPharmaceutical Fund, LP.



CUSIP NO. 76028W107             Schedule 13G                     Page  11 of 20


         EXPLANATORY  NOTE:  This Amendment No. 1 is being filed to correct the
number of shares of Common  Stock  (as  defined  below)  each of the  Reporting
Persons  may be deemed to  beneficially  own,  as  originally  reported  in the
Reporting  Persons  initial 13G filing,  filed with the Securities and Exchange
Commission  on  February  14,  2007  (the  "Initial  13G").   The  Initial  13G
inadvertently  omitted  119,426  shares of Common Stock owned by  Perseus-Soros
BioPharmaceutical  Fund,  LP. Each of the other  Reporting  Persons may also be
deemed to beneficially own such shares.

Item 1.  (a)      NAME OF ISSUER


                  Replidyne, Inc. (the "Company").

         (b)      ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES


                  1450 Infinite Drive
                  Louisville, CO 80027

Item 2.  (a)      NAMES OF PERSONS FILING


                           This  Statement  is being filed on behalf of each of
                  the following persons (collectively, the "Reporting Persons")

                  (i)      Perseus-Soros BioPharmaceutical Fund, LP, a Delaware
                           limited partnership ("Perseus-Soros");

                  (ii)     Perseus-Soros  Partners,  LLC,  a  Delaware  limited
                           liability  company ("PSP GP" and general  partner of
                           Perseus-Soros);

                  (iii)    Perseus  BioTech  Fund  Partners,  LLC,  a  Delaware
                           limited   liability  company  ("PBFP  Partners"  and
                           managing member of PSP GP);

                  (iv)     SFM   Participation,   L.P.,   a  Delaware   limited
                           partnership ("SFM Participation" and managing member
                           of PSP GP);

                  (v)      SFM AH LLC, a  Delaware  limited  liability  company
                           ("SFM AH" and general partner of SFM Participation);

                  (vi)     Perseuspur,   LLC,  a  Delaware  limited   liability
                           company  ("Perseuspur"  and managing  member of PBFP
                           Partners);

                  (vii)    Mr.  Frank H. Pearl ("Mr.  Pearl" and sole member of
                           Perseuspur);

                  (viii)   Mr.  George  Soros ("Mr.  Soros" and Chairman of SFM
                           LLC); and

                  (ix)     Soros  Fund  Management  LLC,  a  Delaware   limited
                           liability  company  ("SFM LLC" and the sole managing
                           member of SFM AH).



CUSIP NO. 76028W107             Schedule 13G                     Page  12 of 20


         (b)      ADDRESS OF PRINCIPAL BUSINESS OFFICE

                  The  address  of  the  principal   business  offices  of  (i)
                  Perseus-Soros  and (ii) PSP, GP is 888 Seventh  Avenue,  30th
                  Floor, New York, NY 10106.

                  The  address of the  principal  business  offices of (i) PBFP
                  Partners,  (ii)  Perseuspur  and  (iii)  Mr.  Pearl  is  2099
                  Pennsylvania Ave., N.W., Suite 900, Washington, D.C. 20006.

                  The  address  of the  principal  business  offices of (i) SFM
                  Participation,  (ii) SFM AH, (iii) SFM LLC and (iv) Mr. Soros
                  is 888 Seventh Avenue, 33rd Floor, New York, NY 10106.

         (c)      CITIZENSHIP

                  (i)      Perseus-Soros - a Delaware limited partnership
                  (ii)     PSP GP - a Delaware limited liability company
                  (iii)    PBFP Partners - a Delaware limited liability company
                  (iv)     SFM Participation - a Delaware limited partnership
                  (v)      SFM AH - a Delaware limited liability company
                  (vi)     Perseuspur -  Delaware limited liability company
                  (vii)    Mr. Pearl - United States
                  (viii)   Mr. Soros - United States
                  (ix)     SFM LLC - a Delaware limited liability company

         (d)      TITLE OF CLASS OF SECURITIES

                  Common Stock,  par value $0.001 per share (the "Common Stock"
                  or "Shares")

         (e)      CUSIP NUMBER

                  76028W107

                  Information  contained herein  concerning SFM  Participation,
                  SFM AH, SFM LLC and Mr.  Soros has been  provided by SFM LLC.
                  Perseus-Soros,  PSP GP,  PBFP  Partners,  Perseuspur  and Mr.
                  Pearl  assume  no   responsibility   for  such   information.
                  Information   contained  herein   concerning  PBFP  Partners,
                  Perseuspur  and Mr.  Pearl  has been  provided  by each  such
                  Reporting Person.  Perseus-Soros,  PSP GP, SFM Participation,
                  SFM AH, SFM LLC and Mr.  Soros assume no  responsibility  for
                  such information.



CUSIP NO. 76028W107             Schedule 13G                     Page  13 of 20


Item 3.  This statement is not being filed pursuant to either Rule 13d-1(b) or
         13d-2(b) or (c).

Item 4.  OWNERSHIP.

         (a)      AMOUNT BENEFICIALLY OWNED:

                  Each of the Reporting Persons other than Mr. Soros, Mr. Pearl
                  and SFM LLC  may be  deemed  to  beneficially  own  1,487,808
                  Shares.

                  Each of Mr.  Soros,  Mr.  Pearl  and SFM LLC may be deemed to
                  beneficially own an aggregate of 1,504,121 Shares,  including
                  16,313  shares of common stock  issuable upon the exercise of
                  stock options.  The stock options are held for the benefit of
                  an  entity  controlled  by  affiliates  of the  Perseus-Soros
                  BioPharmaceutical Fund, LP.

         (b)      PERCENTAGE OWNED:

                  Based on calculations  made in accordance with Rule 13d-3(d),
                  and there being 27,010,506 Shares outstanding as of April 26,
                  2007,  each of the Reporting  Persons,  other than Mr. Soros,
                  Mr.  Pearl and SFM LLC,  may be deemed  to  beneficially  own
                  approximately  5.5% of the outstanding Common Stock. Based on
                  the same  calculations,  Mr. Soros, Mr. Pearl and SFM LLC may
                  be deemed to beneficially own 5.6% of the outstanding  common
                  stock.

         (c)      NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:

                  (i)      Each of  Perseus-Soros  and PSP GP may be  deemed to
                  have sole power to direct the voting and  disposition  of the
                  1,487,808 Shares beneficially owned by Perseus-Soros.

                  (ii)     By virtue of the relationships between and among the
                  Reporting Persons as described in Item 2, each of:

                           (a) PBFP Partners, Perseuspur, SFM Participation and
                           SFM AH may be  deemed  to share  the power to direct
                           the  voting  and  disposition  of  1,487,808  Shares
                           beneficially  owned by Perseus-Soros and (b) each of
                           Mr.  Soros,  Mr.  Pearl and SFM LLC may be deemed to
                           share the power to direct the voting and disposition
                           of  the  1,487,808  Shares   beneficially  owned  by
                           Perseus-Soros,  and the 16,313 Shares  issuable upon
                           the exercise of stock options. The stock options are
                           held for the  benefit  of an  entity  controlled  by
                           affiliates  of the  Perseus-Soros  BioPharmaceutical
                           Fund,  LP.

Item 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

         Not applicable.



CUSIP NO. 76028W107             Schedule 13G                     Page  14 of 20


Item 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

         The partners of  Perseus-Soros  have the right to  participate  in the
         receipt  of  dividends  from,  or  proceeds  from  the  sale  of,  the
         securities  held for the account of  Perseus-Soros  in accordance with
         their ownership interests in Perseus-Soros.

Item 7.  IDENTIFICATION  AND  CLASSIFICATION  OF SUBSIDIARY  WHICH ACQUIRED THE
         SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

         Not applicable.

Item 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

         Not applicable.

Item 9.  NOTICE OF DISSOLUTION OF GROUP

         Not applicable.

Item 10. CERTIFICATION

         Not applicable.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]





CUSIP NO. 76028W107             Schedule 13G                     Page  15 of 20


                                  SIGNATURES

         After reasonable  inquiry and to the best of our knowledge and belief,
the  undersigned  certify that the  information  set forth in this statement is
true, complete and correct.

Dated as of May 11, 2007

                                    PERSEUS-SOROS BIOPHARMACEUTICAL FUND, LP


                                    By: Perseus-Soros Partners, LLC
                                        General Partner


                                    By: SFM Participation, L.P.
                                        Managing Member


                                    By: SFM AH LLC
                                        General Partner


                                    By: Soros Fund Management LLC
                                        Managing Member


                                    By:  /s/  Jodye M. Anzalotta
                                         --------------------------------------
                                         Name:   Jodye M. Anzalotta
                                         Title:  Assistant General Counsel



CUSIP NO. 76028W107             Schedule 13G                     Page  16 of 20


                                    PERSEUS-SOROS PARTNERS, LLC


                                    By: SFM Participation, L.P.
                                        Managing Member


                                    By: SFM AH LLC
                                        General Partner


                                    By: Soros Fund Management LLC
                                        Managing Member


                                    By:  /s/  Jodye M. Anzalotta
                                         --------------------------------------
                                         Name:   Jodye M. Anzalotta
                                         Title:  Assistant General Counsel



                                    PERSEUS BIOTECH FUND PARTNERS, LLC


                                    By: Perseuspur, LLC
                                        Member


                                    By: /s/ Kenneth M. Socha
                                        ---------------------------------------
                                        Name:   Kenneth M. Socha
                                        Title:  Senior Managing Director




CUSIP NO. 76028W107             Schedule 13G                     Page  17 of 20


                                    SFM PARTICIPATION, L.P.


                                    By: SFM AH LLC
                                        General Partner


                                    By: Soros Fund Management LLC
                                        Managing Member


                                    By:  /s/  Jodye M. Anzalotta
                                         --------------------------------------
                                         Name:   Jodye M. Anzalotta
                                         Title:  Assistant General Counsel


                                    SFM AH LLC


                                    By: Soros Fund Management LLC
                                        Managing Member


                                    By:  /s/  Jodye M. Anzalotta
                                         --------------------------------------
                                         Name:   Jodye M. Anzalotta
                                         Title:  Assistant General Counsel


                                    PERSEUSPUR, LLC


                                    By: /s/ Kenneth M. Socha
                                        ---------------------------------------
                                        Name:   Kenneth M. Socha
                                        Title:  Senior Managing Director




CUSIP NO. 76028W107             Schedule 13G                     Page  18 of 20



                                    MR. FRANK H. PEARL


                                    By: /s/ Kenneth M. Socha
                                        ---------------------------------------
                                        Name:   Kenneth M. Socha
                                        Title:  Attorney-in-Fact


                                    MR. GEORGE SOROS


                                    By: /s/  Jodye M. Anzalotta
                                        ----------------------------------------
                                        Name:   Jodye M. Anzalotta
                                        Title:  Attorney-in-Fact


                                   SOROS FUND MANAGEMENT LLC


                                    By:  /s/  Jodye M. Anzalotta
                                         --------------------------------------
                                         Name:   Jodye M. Anzalotta
                                         Title:  Assistant General Counsel






CUSIP NO. 76028W107             Schedule 13G                     Page  19 of 20


                                  EXHIBIT INDEX
                                  -------------

Exhibit 1.        Joint Filing Agreement as required by Rule 13d-1(k)(1)  under
                  the Securities  Exchange Act of 1934, as amended  (previously
                  filed).

Exhibit 2.        Power of  Attorney,  dated June 16, 2005  appointing  each of
                  Armando T. Belly,  Jodye  Anzalotta,  Maryann  Canfield,  Jay
                  Schoenfarber and Robert Soros as Attorney-In-Fact  for George
                  Soros (previously filed).

Exhibit 3.        Power of Attorney,  dated May 9, 2007,  appointing Kenneth M.
                  Socha  and Rona  Kennedy  as  Attorney-in-Fact  for  Frank H.
                  Pearl.






CUSIP NO. 76028W107             Schedule 13G                     Page  20 of 20


                                                                      EXHIBIT 3
                                                                      ---------


                               POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that I, FRANK H. PEARL, hereby make, constitute and
appoint each of Kenneth M. Socha and Rona Kennedy,  each of them acting singly,
as my agent and  attorney-in-fact  for the purpose of executing in my name, (a)
in my personal  capacity or (b) in my capacity as Chairman of,  member of or in
other capacities with Perseus, L.L.C. ("PERSEUS") and each of its affiliates or
entities advised by me or Perseus,  all documents,  certificates,  instruments,
statements,  filings and agreements ("DOCUMENTS") to be filed with or delivered
to any  foreign or  domestic  governmental  or  regulatory  body or required or
requested  by any other  person or entity  pursuant to any legal or  regulatory
requirement relating to the acquisition,  ownership,  management or disposition
of securities, futures contracts, or other investments, and any other documents
relating or ancillary  thereto,  including,  but not limited to, all  documents
relating  to  filings  with the  Commodities  Futures  Trading  Commission  and
National  Futures  Association,  the  United  States  Securities  and  Exchange
Commission  (the  "SEC")  pursuant  to the  Commodities  Exchange  Act  and the
Securities Act of 1933 or the  Securities  Exchange Act of 1934 (the "Act") and
the rules and  regulations  promulgated  thereunder,  including  all  documents
relating to the  beneficial  ownership of securities  required to be filed with
the SEC pursuant to Section 13(d) or Section  16(a) of the Act and  information
statements  on Form 13F  required to be filed with the SEC  pursuant to Section
13(f) of the Act.

All past acts of either  attorney-in-fact  in  furtherance of the foregoing are
hereby ratified and confirmed.

This power of attorney shall be valid from the date hereof until revoked by me.

The  Power  of  Attorney  dated as of April 9,  2003 is  hereby  revoked  by me
effective as of the date hereof.

IN WITNESS  WHEREOF,  I have executed this instrument as of the 9th day of May,
2007.





                                                 /s/ Frank H. Pearl
                                                 ---------------------------
                                                 FRANK H. PEARL