rrd65566_73864.html

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, HpdrzXSiZKaaKcKkWUJayab3VKyLofJurLmbsVJkT70s+OJsDQfdFr9i58MoCHHr /+ykGGf4d84p2pggx+l9/Q== 0001181431-05-024069.txt : 20050428 0001181431-05-024069.hdr.sgml : 20050428 20050428144226 ACCESSION NUMBER: 0001181431-05-024069 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20050418 FILED AS OF DATE: 20050428 DATE AS OF CHANGE: 20050428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hayden James CENTRAL INDEX KEY: 0001325352 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-31253 FILM NUMBER: 05780000 BUSINESS ADDRESS: BUSINESS PHONE: 650-314-3800 MAIL ADDRESS: STREET 1: C/O PHARSIGHT CORPORATION STREET 2: 800 W EL CAMINO REAL, SUITE 200 CITY: MOUNTAIN VIEW STATE: X1 ZIP: 94040 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PHARSIGHT CORP CENTRAL INDEX KEY: 0001040853 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 770401273 STATE OF INCORPORATION: CA FISCAL YEAR END: 0331 BUSINESS ADDRESS: STREET 1: 800 WEST EL CAMINO REAL STREET 2: STE 200 CITY: PALO ALTO STATE: CA ZIP: 94040 BUSINESS PHONE: 6503143800 MAIL ADDRESS: STREET 1: 800 WEST EL CAMINO REAL STREET 2: STE 200 CITY: MOUNTAIN VIEW STATE: CA ZIP: 94040 3 1 rrd76983.xml FORM 3: INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES X0202 3 2005-04-18 1 0001040853 PHARSIGHT CORP PHST 0001325352 Hayden James C/O PHARSIGHT CORPORATION 800 W. EL CAMINO REAL, SUITE 200 MOUNTAIN VIEW CA 94040 0 1 0 0 Senior VP, Global Sales Lisa Hodges, Attorney-in-fact for James Hayden 2005-04-28 EX-24. 2 rrd65566_73864.htm POWER OF ATTORNEY rrd65566_73864.html

POWER OF ATTORNEY
             The undersigned, as a Section 16 reporting person of Pharsight Corporation (the "Company"), hereby constitutes and appoints Lisa Hodges and Quynh Trinh and each of them, the undersigned's true and lawful attorney-in-fact to:
       1. complete and execute Forms 3, 4 and 5 and other forms and all amendments thereto as such attorney-in-fact shall in his or her discretion determine to be required or advisable pursuant to Section 16 of the Securities Exchange Act of 1934 (as amended) and the rules and regulations promulgated thereunder, or any successor laws and regulations, as consequence of the undersigned's ownership, acquisition or disposition of securities of the Company; and
       2. do all acts necessary in order to file such forms with the Securities and Exchange Commission, any securities exchange or national association, the Company and such other person or agency as the attorney-in-fact shall deem appropriate.
             The undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents shall do or cause to be done by virtue hereof.  The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934 (as amended).
             This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the Company and the foregoing attorneys-in-fact.
             IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 27th day of April, 2005.

       /s/ James D. Hayden
       Printed Name:  James D. Hayden

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