ARENA PHARMACEUTICALS INC Contracts & Agreements

Omnibus Amendment to the Leases for Buildings D,E, F and G between BMR-6114-6154 Nancy Ridge Drive LLC and Arena for 6114, 6118, 6122, 6124, 6126, and 6154 Nancy Ridge Drive, San... (Filed With SEC on February 23, 2022)

Second Amended and Restated Severance Benefit Plan (Filed With SEC on February 23, 2022)

Second Amended and Restated Severance Benefit Plan Eligibility Notice, dated as of December 12, 2021, by and between Arena and Amit D. Munshi (Filed With SEC on February 23, 2022)

Arena Pharmaceuticals, Inc. Amended and Restated 2021 Long-Term Incentive Plan, as amended as of February 8, 2022 (Filed With SEC on February 23, 2022)

Form of Restricted Stock Unit Agreement for Employees (Post-Signing Grant) (Filed With SEC on February 23, 2022)

Agreement and Plan of Merger, dated as of December 12, 2021, by and among Arena Pharmaceuticals, Inc., Pfizer Inc. and Antioch Merger Sub, Inc (Filed With SEC on December 13, 2021)

Arena Pharmaceuticals, Inc (Filed With SEC on November 4, 2021)

Employment Agreement, dated as of (Filed With SEC on November 4, 2021)

Form of Performance Restricted Stock Unit Grant Agreement under the Arena Amended and Restated 2021 Long-Term Incentive Plan entered into by and between Arena and Douglas Manion (Filed With SEC on November 4, 2021)

Arena Pharmaceuticals, Inc. 2021 Long-Term Incentive Plan, as amended as of July 1 (Filed With SEC on August 5, 2021)

Amended and Restated Severance Benefit Plan Eligibility Notice, dated as of June 1 (Filed With SEC on August 5, 2021)

Arenas Amended and Restated 2020 Long-Term Incentive Plan, amended as of April 13, 2021 (Filed With SEC on May 5, 2021)

Form of Indemnification Agreement between Arena and its directors (Filed With SEC on February 23, 2021)

Form of Indemnification Agreement between Arena and its executive officers (Filed With SEC on February 23, 2021)

Transition and Retirement Agreement, dated January 13, 2020, by and between Arena and Steven W. Spector (Filed With SEC on February 23, 2021)

Consulting Services Agreement, dated March 2, 2020, by and between Arena and Steven W. Spector (Filed With SEC on February 23, 2021)

Separation Agreement, dated as of October 27, 2020, by and between Arena and Kevin R. Lind (Filed With SEC on February 23, 2021)

Arenas Amended and Restated 2020 Long-Term Incentive Plan, amended as of February 12, 2021 (Filed With SEC on February 23, 2021)

Form of Performance Restricted Stock Unit Grant Agreement under the Arena Pharmaceuticals, Inc. Amended and Restated 2020 Long-Term Incentive Plan (Filed With SEC on February 23, 2021)

Arenas Amended and Restated 2020 Long-Term Incentive Plan, amended as of October 14, 2020 (Filed With SEC on November 9, 2020)

Summary of compensation for Arena's non-employee directors, approved June 12, 2020 (Filed With SEC on August 5, 2020)

Arenas Amended and Restated 2017 Long-Term Incentive Plan, as amended as of May 14, 2020 (Filed With SEC on August 5, 2020)

Arenas Amended and Restated 2020 Long-Term Incentive Plan, amended as of July 13, 2020 (Filed With SEC on August 5, 2020)

Services Agreement, dated as of June 9, 2020, by and between Arena and Preston Klassen (Filed With SEC on August 5, 2020)

Underwriting Agreement, dated May 27, 2020, by and among Arena Pharmaceuticals, BofA Securities, Inc., Citigroup Global Markets Inc. and SVB Leerink LLC, as representatives of the... (Filed With SEC on May 28, 2020)

Employment Agreement, dated as of December 10, 2019, by and between Arena and Joan Schmidt (Filed With SEC on May 7, 2020)

Amendment No. 1, dated as of February 24, 2020, by and between Arena and Joan Schmidt to the Employment Agreement (Filed With SEC on May 7, 2020)

Employment Agreement, dated as of February 22, 2020, by and between Arena and Laurie Stelzer (Filed With SEC on May 7, 2020)

Form of Performance Restricted Stock Unit Grant Agreement under the Arena Amended and Restated 2017 Long-Term Incentive Plan entered into by and between Arena and each of Joan... (Filed With SEC on May 7, 2020)

Transition and Retirement Agreement, dated as of January 13, 2020, by and between Arena and Steven Spector (Filed With SEC on May 7, 2020)

Consulting Services Agreement, dated as of March 2, 2020, by and between Arena and Steven Spector (Filed With SEC on May 7, 2020)

Arenas Amended and Restated 2017 Long-Term Incentive Plan, amended as of April 3, 2020 (Filed With SEC on May 7, 2020)

Description of Arenas common stock (Filed With SEC on February 27, 2020)

Employment Agreement, dated as of October 30, 2018, by and between Arena and Robert Lisicki (Filed With SEC on August 9, 2019)

Summary of compensation for Arena's non-employee directors, approved June 13, 2019 (Filed With SEC on August 9, 2019)

Amended and Restated Severance Agreement, dated as of January 4, 2019, by and between Arena and Amit D. Munshi (Filed With SEC on May 9, 2019)

Amended and Restated Severance Benefit Plan, effective January 4, 2019, and providing benefits for certain of Arenas executive officers (Filed With SEC on May 9, 2019)

Amended and Restated Severance Agreement, dated as of January 4, 2019, by and between Arena and Amit D. Munshi (Filed With SEC on February 28, 2019)

Amended and Restated Severance Benefit Plan, effective January 4, 2019, and providing benefits for certain of Arenas executive officers (Filed With SEC on February 28, 2019)

Annual Incentive Plan for Arenas executive officers, approved February 11, 2019 (Filed With SEC on February 28, 2019)

Amendment, dated October 5, 2018, to Transaction Agreement, dated as of December 28, 2016 and amended as of March 9, 2018, by and among 356 Royalty Inc., Eisai Inc. and Eisai Co.... (Filed With SEC on February 28, 2019)

Form of Performance Restricted Stock Unit Grant Agreement under the Arena 2017 Long-Term Incentive Plan (Filed With SEC on February 28, 2019)

Exclusive License Agreement, dated as of November 15, 2018, by and between Arena Pharmaceuticals, Inc. and United Therapeutics Corporation (Filed With SEC on January 25, 2019)

Form of Restricted Stock Unit Grant Agreement for Non-Employee Directors under the Arena Amended and Restated 2017 Long-Term Incentive Plan (Filed With SEC on August 7, 2018)

Summary of Non-Employee Director Compensation program, approved June 13, 2018 (Filed With SEC on July 10, 2018)

Underwriting Agreement, dated March 21, 2018, by and among Arena Pharmaceuticals and Citigroup Global Markets Inc. and Leerink Partners LLC, as representatives of the several... (Filed With SEC on March 22, 2018)

Summary of housing allowance for Vincent E. Aurentz, effective February 2018 (Filed With SEC on March 14, 2018)

Amendment No. 1 dated as of March 9, 2018, to Transaction Agreement, dated as of December 29, 2016, by and among 356 Royalty Inc., Eisai Inc. and Eisai Co. Ltd (Filed With SEC on March 14, 2018)

Amendment No. 1 dated as of March 9, 2018, to Supply Agreement, dated as of December 28, 2016, by and among Arena Pharmaceuticals GmbH, Eisai Inc. and Eisai Co., Ltd (Filed With SEC on March 14, 2018)

Summary of compensation for Arenas non-employee directors (Filed With SEC on August 8, 2017)

6,250,000 Shares ARENAPHARMACEUTICALS, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on July 13, 2017)

AMENDMENT NO. 3 TO ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on May 9, 2017)

ARENA PHARMACEUTICALS, INC. 2013 LONG-TERM INCENTIVE PLAN (Filed With SEC on May 9, 2017)

60,000,000 Shares ARENAPHARMACEUTICALS, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on April 18, 2017)

TRANSACTION AGREEMENT (Filed With SEC on March 15, 2017)

SUPPLY AGREEMENT (Filed With SEC on March 15, 2017)

USA 6154 Nancy Ridge Dr. San Diego, CA 92121 Tel: +1 ###-###-#### www.arenapharm.com Switzerland Gotthardstrasse 3 6300 Zug Tel: +41 62 746 76 21 (Filed With SEC on March 15, 2017)

ARENA PHARMACEUTICALS, INC. $50,000,000 Shares Common Stock ($0.0001 par value) Equity Distribution Agreement (Filed With SEC on January 4, 2017)

ARENA PHARMACEUTICALS, INC. 2013 LONG-TERM INCENTIVE PLAN (Filed With SEC on November 9, 2016)

AMENDMENT NO. 2 TO ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on November 9, 2016)

SERVICES AGREEMENT (Filed With SEC on November 9, 2016)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan Stock Option Grant Agreement for Non-Employee Directors (Filed With SEC on August 9, 2016)

Arena Pharmaceuticals, Inc. Non-Employee Director Compensation Beginning June 13, 2016 (Filed With SEC on August 9, 2016)

Arena Pharmaceuticals, Inc. -- Annual Incentive Plan -- (Filed With SEC on August 9, 2016)

AMENDMENT NO. 1 TO ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on June 16, 2016)

ARENA PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on May 9, 2016)

ARENA PHARMACEUTICALS, INC. SEVERANCE AGREEMENT (Filed With SEC on May 9, 2016)

AMENDMENT TO AMENDED AND RESTATED TERMINATION PROTECTION AGREEMENT (Filed With SEC on May 9, 2016)

ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on May 9, 2016)

ARENA PHARMACEUTICALS, INC. 2013 LONG-TERM INCENTIVE PLAN (Filed With SEC on May 9, 2016)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan 20[ ] Performance Restricted Stock Unit Grant Agreement (Filed With SEC on February 29, 2016)

ARENA PHARMACEUTICALS, INC. INTERIM CEO EMPLOYMENT AGREEMENT (Filed With SEC on February 29, 2016)

SERVICES AGREEMENT (Filed With SEC on July 9, 2015)

ARENA PHARMACEUTICALS, INC. 2009 EMPLOYEE STOCK PURCHASE PLAN, AS AMENDED (Filed With SEC on June 16, 2015)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan 2015 Performance Restricted Stock Unit Grant Agreement (Filed With SEC on May 11, 2015)

21,000,000Shares ARENA PHARMACEUTICALS, INC. Common Stock UNDERWRITINGAGREEMENT (Filed With SEC on January 23, 2015)

Arena Pharmaceuticals, Inc. Non-Employee Director Compensation Beginning July 1, 2014 (Filed With SEC on November 6, 2014)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan Performance Restricted Stock Unit Grant Agreement (Filed With SEC on May 12, 2014)

AMENDMENT NO. 2 TO ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on March 3, 2014)

Second Amended and Restated Marketing and Supply Agreement by and among ArenaPharmaceuticals GmbH, Eisai Inc., and Eisai Co., Ltd. dated November 7, 2013 (Filed With SEC on March 3, 2014)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan StockOption Grant Agreement for Employees or Consultants (Filed With SEC on June 14, 2013)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan IncentiveStock Option Grant Agreement for Employees (Filed With SEC on June 14, 2013)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan RestrictedStock Unit Grant Agreement (Filed With SEC on June 14, 2013)

Arena Pharmaceuticals, Inc., 2013 Long-Term Incentive Plan RestrictedStock Unit Grant Agreement for Non-Employee Directors (Filed With SEC on June 14, 2013)

Arena Pharmaceuticals, Inc. Non-Employee Director Compensation Beginning January 1, 2013 (Filed With SEC on May 9, 2013)

Arena Pharmaceuticals, Inc., 2012 Long-Term Incentive Plan Performance Restricted Stock Unit Grant Agreement (Filed With SEC on May 9, 2013)

AMENDMENT NO. 6 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on March 1, 2013)

Arena Pharmaceuticals, Inc., 2012 Long-Term Incentive Plan IncentiveStock Option Grant Agreement for Employees (Filed With SEC on March 1, 2013)

Arena Pharmaceuticals, Inc., 2012 Long-Term Incentive Plan StockOption Grant Agreement for Employees or Consultants (Filed With SEC on March 1, 2013)

Arena Pharmaceuticals, Inc., 2012 Long-Term Incentive Plan Restricted Stock Unit Grant Agreement (Filed With SEC on March 1, 2013)

Arena Pharmaceuticals, Inc. Non-Employee Director Compensation Through December 31, 2012 (Filed With SEC on March 1, 2013)

Arena Pharmaceuticals, Inc. Annual IncentivePlan (Filed With SEC on December 19, 2012)

Amended and Restated Marketing and Supply Agreement by and between Arena Pharmaceuticals GmbH and Eisai Inc. dated May 9, 2012 TABLE OF CONTENTS (Filed With SEC on August 9, 2012)

Arena Pharmaceuticals, Inc. 2012 Long-Term Incentive Plan IncentiveStock Option Grant Agreement for Employees (Filed With SEC on June 20, 2012)

Arena Pharmaceuticals, Inc. 2012 Long-Term Incentive Plan StockOption Grant Agreement for Employees or Consultants (Filed With SEC on June 20, 2012)

Arena Pharmaceuticals, Inc. 2012 Long-Term Incentive Plan StockOption Grant Agreement for Non-Employee Directors (Filed With SEC on June 20, 2012)

Arena Pharmaceuticals, Inc. 2012 Long-Term Incentive Plan RestrictedStock Grant Agreement (Filed With SEC on June 20, 2012)

11,000,000 Shares ARENA PHARMACEUTICALS, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on May 17, 2012)

AMENDMENT NO. 5 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on March 15, 2012)

AMENDMENT NO. 1 TO ARENA PHARMACEUTICALS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on February 14, 2012)

Arena Pharmaceuticals, Inc. Annual Incentive Plan (Filed With SEC on January 26, 2012)

Incorporated Under the Laws of the State of Delaware onApril 14, 1997 (Filed With SEC on January 11, 2012)

ARENA PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES D CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE... (Filed With SEC on January 11, 2012)

[Arena Letterhead] August 1, 2011 (Filed With SEC on November 9, 2011)

COMMON STOCK PURCHASE AGREEMENT Dated as of November 8, 2011 by and between ARENA PHARMACEUTICALS, INC. and AZIMUTH OPPORTUNITY, L.P. TABLE OF CONTENTS (Filed With SEC on November 8, 2011)

Arena Pharmaceuticals, Inc. Non-Employee Director Compensation (Filed With SEC on August 9, 2011)

AMENDMENT NO. 4 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on August 9, 2011)

AMENDMENT NO. 1 TO THE ASSET PURCHASE AGREEMENT (Filed With SEC on May 10, 2011)

AMENDMENT NO. 3 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on May 10, 2011)

ARENA PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES C CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE... (Filed With SEC on March 29, 2011)

Arena Pharmaceuticals, Inc. Non-employee Director Compensation (Filed With SEC on March 15, 2011)

Arena Pharmaceuticals, Inc. -- Annual Incentive Plan -- (Filed With SEC on January 25, 2011)

AMENDMENT NO. 2 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on March 16, 2010)

Arena Pharmaceuticals, Inc. Non-employee DirectorCompensation (Filed With SEC on March 16, 2010)

Arena Pharmaceuticals, Inc. 2010 AnnualIncentive Plan (Filed With SEC on January 27, 2010)

Warrant to Purchase Common Stock (Filed With SEC on October 21, 2009)

Incentive Stock Option Grant Agreement for Employees (Filed With SEC on August 7, 2009)

Stock Option Grant Agreement for Employees or Consultants (Filed With SEC on August 7, 2009)

Stock Option Grant Agreement for Non-Employee Directors (Filed With SEC on August 7, 2009)

Restricted Stock Grant Agreement (Filed With SEC on August 7, 2009)

12,500,000 Shares ARENA PHARMACEUTICALS, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on July 9, 2009)

FACILITY AGREEMENT (Filed With SEC on June 23, 2009)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on June 23, 2009)

SECURITY AGREEMENT (Filed With SEC on June 23, 2009)

Warrant to Purchase Common Stock of ARENA PHARMACEUTICALS, INC. (Filed With SEC on June 23, 2009)

COMMON STOCK PURCHASE AGREEMENT (Filed With SEC on March 23, 2009)

Arena Pharmaceuticals, Inc. Non-employee Director Compensation (Filed With SEC on March 16, 2009)

AMENDMENT NO. 1 TO THE TOLL MANUFACTURING AGREEMENT (Filed With SEC on March 16, 2009)

Arena Pharmaceuticals, Inc. 2009 Annual Incentive Plan (Filed With SEC on January 29, 2009)

ARENAPHARMACEUTICALS, INC. AMENDEDAND RESTATED SEVERANCE BENEFIT PLAN (Filed With SEC on December 31, 2008)

AMENDED ANDRESTATED TERMINATION PROTECTION AGREEMENT (Filed With SEC on December 31, 2008)

EXCHANGEAGREEMENT (Filed With SEC on August 15, 2008)

SECONDAMENDMENT TO RESEARCHCOLLABORATION AND LICENSE AGREEMENT (Filed With SEC on March 5, 2008)

ArenaPharmaceuticals, Inc. Non-employeeDirector Compensation (Filed With SEC on March 5, 2008)

TOLL MANUFACTURINGAGREEMENT (Filed With SEC on March 5, 2008)

ArenaPharmaceuticals, Inc. 2008 Annual Incentive Plan (Filed With SEC on January 30, 2008)

11,000,000Shares ARENAPHARMACEUTICALS, INC. Common Stock UNDERWRITINGAGREEMENT (Filed With SEC on November 2, 2007)

LEASE by and between BMR-6114-6154 Nancy Ridge Drive LLC, a Delaware limited liability company, as Landlord and Arena Pharmaceuticals, Inc., a Delaware corporation, as Tenant... (Filed With SEC on August 9, 2007)

LEASE by and between BMR-6114-6154 NancyRidge Drive LLC, a Delaware limited liability company, as Landlord and Arena Pharmaceuticals, Inc., a Delaware corporation, as Tenant... (Filed With SEC on August 9, 2007)

LEASE by and between BMR-6114-6154 Nancy Ridge Drive LLC, a Delaware limited liability company, as Landlord and Arena Pharmaceuticals, Inc., a Delaware corporation, as Tenant... (Filed With SEC on August 9, 2007)

INDEMNIFICATIONAGREEMENT (Director) (Filed With SEC on June 18, 2007)

INDEMNIFICATIONAGREEMENT (Officer) (Filed With SEC on June 18, 2007)

INDEMNIFICATIONAGREEMENT (Directorand Officer) (Filed With SEC on June 18, 2007)

AGREEMENTOF PURCHASE AND SALE (6114, 6118, 6122, 6124,6126 and 6154 Nancy Ridge Drive, San Diego, California) (Filed With SEC on May 8, 2007)

ARENAPHARMACEUTICALS, INC. 2006 LONG-TERM INCENTIVE PLAN, AS AMENDED (Filed With SEC on April 13, 2007)

Arena Pharmaceuticals, Inc. 2006 Long-Term Incentive Plan 2007Performance-Based Restricted Stock Unit Grant Agreement (Filed With SEC on March 1, 2007)

Arena Pharmaceuticals, Inc. 2006 Long-Term Incentive Plan 2007Performance-Based RestrictedStock Unit Grant Agreement (Executives) (Filed With SEC on March 1, 2007)

ArenaPharmaceuticals, Inc. 2007 Annual Incentive Plan (Filed With SEC on January 26, 2007)

11,500,000 Shares ARENA PHARMACEUTICALS, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on December 8, 2006)

ARENA PHARMACEUTICALS, INC. 2001 ARENA EMPLOYEE STOCKPURCHASE PLAN (Filed With SEC on August 4, 2006)

ArenaPharmaceuticals, Inc. 2006 Long-Term Incentive Plan StockOption Grant Agreement (Filed With SEC on August 1, 2006)

ArenaPharmaceuticals, Inc. 2006 Long-Term Incentive Plan StockOption Grant Agreement - Director (Filed With SEC on August 1, 2006)

ArenaPharmaceuticals, Inc. 2006 Long-Term Incentive Plan IncentiveStock Option Grant Agreement (Filed With SEC on August 1, 2006)

Arena Pharmaceuticals, Inc.2006 Long-Term Incentive Plan RestrictedStock Grant Agreement (Filed With SEC on August 1, 2006)

Arena Pharmaceuticals, Inc. 2006 Long-Term Incentive Plan RestrictedStock Unit Grant Agreement (Filed With SEC on August 1, 2006)

SETTLEMENT AGREEMENT AND RELEASE (Filed With SEC on July 6, 2006)

Amendmentto Registration Rights Agreement (Filed With SEC on July 6, 2006)

ARENA PHARMACEUTICALS, INC. 2006 LONG-TERM INCENTIVE PLAN (Filed With SEC on June 16, 2006)

9,752,508Shares ARENAPHARMACEUTICALS, INC. Common Stock UNDERWRITINGAGREEMENT (Filed With SEC on January 27, 2006)

ArenaPharmaceuticals Summary of 2006Annual Incentive Plan (Filed With SEC on January 24, 2006)

ARENAPHARMACEUTICALS, INC. SEVERANCEBENEFIT PLAN (Filed With SEC on January 24, 2006)

FIRST AMENDMENT TO RESEARCH COLLABORATION AND LICENSE AGREEMENT (Filed With SEC on March 2, 2005)

COLLABORATIONAND LICENSE AGREEMENT (Filed With SEC on March 2, 2005)

7,500,000Shares ARENAPHARMACEUTICALS, INC. Common Stock UNDERWRITINGAGREEMENT (Filed With SEC on February 1, 2005)

ARENAPHARMACEUTICALS, INC. 2002EQUITY COMPENSATION PLAN (Filed With SEC on January 21, 2005)

ARENA PHARMACEUTICALS, INC. DEFERRED COMPENSATION PLAN (Filed With SEC on March 1, 2004)

PURCHASE AND SALE AGREEMENT AND JOINT ESCROW INSTRUCTIONS December 22, 2003 BY AND BETWEEN ARE NANCY RIDGE NO. 3, LLC, a Delaware limited liability company Buyer AND... (Filed With SEC on January 6, 2004)

LEASE AGREEMENT (Filed With SEC on January 6, 2004)

AMENDMENTNO. 1 TO RIGHTS AGREEMENT (Filed With SEC on December 30, 2003)

SECURITIES PURCHASE AGREEMENT (Filed With SEC on December 30, 2003)

REGISTRATIONRIGHTS AGREEMENT (Filed With SEC on December 30, 2003)

ARENA PHARMACEUTICALS, INC. WARRANT (Filed With SEC on December 30, 2003)

ARENAPHARMACEUTICALS, INC. UNIT WARRANT (Filed With SEC on December 30, 2003)

TERMINATION PROTECTION AGREEMENT (Filed With SEC on August 13, 2003)

AGREEMENT OF PURCHASE AND SALE (Filed With SEC on May 14, 2003)

CERTAIN CONFIDENTIAL INFORMATION CONTAINED INTHS DOCUMENT, MARKED BY ASTERISKS, HAS BEEN OMITTED AND FILED SEPARATELY WITHTHE SECURITIES AND EXCHANGE COMMISION PURSUANT TO RULE... (Filed With SEC on March 28, 2003)

TERMINATION PROTECTION AGREEMENT (Filed With SEC on March 28, 2003)

Category

Industry

Companies

Contracts

ARENA PHARMACEUTICALS INC Contracts & Agreements