X0303 4 2010-03-04 0 0001401923 MAP Pharmaceuticals, Inc. MAPP 0001029160 SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE 31ST FLOOR NEW YORK NY 10106 0 0 1 0 0000900203 SOROS GEORGE 888 SEVENTH AVE 31ST FLR NEW YORK NY 10106 0 0 1 0 0001387524 Soros Robert C/O SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE, 31ST FLOOR NEW YORK NY 10106 0 0 1 0 0001387590 SOROS JONATHAN T ALLAN C/O SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE, 31ST FLOOR NEW YORK NY 10106 0 0 1 0 Common Stock 2010-03-04 4 S 0 677 14.15 D 3128834 I See Footnotes Common Stock 2010-03-04 4 S 0 97 14.09 D 3128834 I See Footnotes Common Stock 2010-03-04 4 S 0 3061 14.15 D 3128834 I See Footnotes Common Stock 2010-03-04 4 S 0 2503 14.09 D 3128834 I See Footnotes Common Stock 2010-03-05 4 S 0 4616 13.95 D 2928446 I See Footnotes Common Stock 2010-03-05 4 S 0 6524 13.95 D 2928446 I See Footnotes Common Stock 2010-03-05 4 S 0 20872 13.95 D 2928446 I See Footnotes Common Stock 2010-03-05 4 S 0 168376 13.95 D 2928446 I See Footnotes The price shown in Column 4 is a weighted average sale price. The price range for the sales is $14.00 to $14.23. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. All of the securities reported herein are held for the account of Perseus-Soros BioPharmaceutical Fund, LP ("Perseus-Soros"), Perseus-Soros Partners, LLC ("Perseus-Soros Partners"), the general partner of Perseus-Soros, SFM Participation, L.P ("SFM Participation"), a managing member of Perseus-Soros Partners, as well as Biotech Management Partners, LLC ("Biotech Management Partners") and Quantum Industrial Partners, LDC ("QIP"). Perseus-Soros Partners is the general partner of Perseus-Soros. SFM Participation is a managing member of Biotech Management Partners and Perseus-Soros Partners. SFM AH, LLC, a Delaware limited liability company ("SFM AH"), is the general partner of SFM Participation. The sole managing member of SFM AH is SFM LLC. SFM LLC also serves as the principal investment manager to QIP. Mr. George Soros ("Mr. Soros") serves as Chairman of SFM LLC, Mr. Robert Soros ("Robert Soros") serves as Deputy Chairman of SFM LLC and Mr. Jonathan Soros ("Jonathan Soros") serves as President and Deputy Chairman of SFM LLC. Represents 677 shares of the Issuer's Common Stock sold by Perseus-Soros Partners. After the sale Perseus-Soros Partners owns directly 4,616 shares of the Issuer's Common Stock. Represents 97 shares of the Issuer's Common Stock sold by SFM Participation. After the sale SFM Participation owns directly 10,313 shares of the Issuer's Common Stock. Represents 3,061 shares of the Issuer's Common Stock sold by Biotech Management Partners. After the sale Biotech Management Partners owns directly 20,872 shares of the Issuer's Common Stock. Represents 2,503 shares of the Issuer's Common Stock sold by QIP. After the sale QIP owns directly 266,158 shares of the Issuer's Common Stock. The price shown in Column 4 is a weighted average sale price. The price range for the sales is $13.70 to $14.39. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. Represents 4,616 shares of the Issuer's Common Stock sold by Perseus-Soros Partners. After the sale Perseus-Soros Partners directly owns no shares of the Issuer's Common Stock. Represents 6,524 shares of the Issuer's Common Stock sold by SFM Participation. After the sale SFM Participation owns directly 3,789 shares of the Issuer's Common Stock. Represents 20,872 shares of the Issuer's Common Stock sold by Biotech Management Partners. After the sale Biotech Management Partners directly owns no shares of the Issuer's Common Stock. Represents 168,376 shares of the Issuer's Common Stock sold by QIP. After the sale QIP owns directly 97,782 shares of the Issuer's Common Stock. (13) Mr. Schoenfarber is signing in his capacity as Ass't General Counsel of Soros Fund Management LLC.(14) Mr. Schoenfarber is signing in his capacity as Attorney-in-Fact for Mr. George Soros.(15) Mr. Schoenfarber is signing in his capacity s Attorney-in-Fact for Mr. Robert Soros.(16) Mr. Schoenfarber is signing in his capacity as Attorney-in-Fact for Mr. Jonathan Soros. /s/ Jay Schoenfarber (13) 2010-03-08 /s/ Jay Schoenfarber (14) 2010-03-08 /s/ Jay Schoenfarber (15) 2010-03-08 /s/ Jay Schoenfarber (16) 2010-03-08