Merck Contracts & Agreements

Indenture, dated as of May 30, 2024, among MSD Netherlands Capital B.V., Merck & Co., Inc. and U.S. Bank Trust National Association, as Trustee (Filed With SEC on May 30, 2024)

3.250% Notes due 2032 Officers Certificate of the Company dated May 30, 2024, including form of the 2032 Notes (Filed With SEC on May 30, 2024)

3.500% Notes due 2037 Officers Certificate of the Company dated May 30, 2024, including form of the 2037 Notes (Filed With SEC on May 30, 2024)

3.700% Notes due 2044 Officers Certificate of the Company dated May 30, 2024, including form of the 2044 Notes (Filed With SEC on May 30, 2024)

3.750% Notes due 2054 Officers Certificate of the Company dated May 30, 2024, including form of the 2054 Notes (Filed With SEC on May 30, 2024)

Form of stock option terms for 2017 annual non-qualified option grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Form of stock option terms for 2019 annual non-qualified option grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Merck & Co., Inc. U.S. Separation Benefits Plan (amended and restated as of January 1, 2019) as further amended by Amendments 2019-1 (as of December 19, 2019), 2020-1 (as of... (Filed With SEC on February 26, 2024)

Form of stock option terms for 2020 annual non-qualified option grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Form of restricted stock unit terms for 2020 annual grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

2021 Performance Share Unit terms for grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Terms for Restricted Stock Unit Grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Restricted stock unit terms for August 3, 2022 grant to Chirfi Guindo under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Performance share unit terms for August 3, 2022 grant to Chirfi Guindo under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Form of stock option terms for 2023 annual non-qualified option grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

2022 Performance Share Unit terms for grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

2023 Performance Share Unit terms for grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 26, 2024)

Offer Letter between Merck & Co., Inc. and Chirfi Guindo, dated June 8, 2022 (Filed With SEC on February 26, 2024)

4.050% Notes due 2028 Officers Certificate of the Company dated May 17, 2023, including form of the 2028 Notes (Filed With SEC on May 17, 2023)

4.300% Notes due 2030 Officers Certificate of the Company dated May 17, 2023, including form of the 2030 Notes (Filed With SEC on May 17, 2023)

4.500% Notes due 2033 Officers Certificate of the Company dated May 17, 2023, including form of the 2033 Notes (Filed With SEC on May 17, 2023)

4.900% Notes due 2044 Officers Certificate of the Company dated May 17, 2023, including form of the 2044 Notes (Filed With SEC on May 17, 2023)

5.000% Notes due 2053 Officers Certificate of the Company dated May 17, 2023, including form of the 2053 Notes (Filed With SEC on May 17, 2023)

5.150% Notes due 2063 Officers Certificate of the Company dated May 17, 2023, including form of the 2063 Notes (Filed With SEC on May 17, 2023)

Form of stock option terms for 2017 annual non-qualified option grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Form of stock option terms for 2019 annual non-qualified option grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Merck & Co., Inc. U.S. Separation Benefits Plan (amended and restated as of January 1, 2019) as further amended by Amendments 2019-1 (as of December 19, 2019), 2020-1 (as of... (Filed With SEC on February 24, 2023)

2019 terms for CEO annual non-qualified option grant under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Form of restricted stock unit terms for 2019 annual grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Form of stock option terms for 2020 annual non-qualified option grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2020 terms for CEO annual non-qualified option grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Form of restricted stock unit terms for 2020 annual grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2020 Performance Share Unit terms for grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2020 CEO Performance Share Unit terms for grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2021 CEO annual non-qualified option terms for grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2021 Performance Share Unit terms for grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

2021 CEO Performance Share Unit terms for grant under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Terms for Restricted Stock Unit Grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Restricted stock unit terms for May 3, 2022 and August 3, 2022 grants to Executive Chairman under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Restricted stock unit terms for August 3, 2022 grant to Chirfi Guindo under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Performance share unit terms for August 3, 2022 grant to Chirfi Guindo under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 24, 2023)

Offer Letter between Merck & Co., Inc. and Chirfi Guindo, dated June 8, 2022 (Filed With SEC on February 24, 2023)

Merck & Co., Inc. Plan for Deferred Payment of Directors Compensation (Amended and Restated effective as of January 1 (Filed With SEC on February 25, 2022)

Form of stock option terms for 2022 annual non-qualified option grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 25, 2022)

Form of restricted stock unit terms for 2022 annual grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 25, 2022)

1.700% Notes due 2027 Officers Certificate of the Company dated December 10, 2021, including form of the 2027 Notes (Filed With SEC on December 10, 2021)

1.900% Notes due 2028 Officers Certificate of the Company dated December 10, 2021, including form of the 2028 Notes (Filed With SEC on December 10, 2021)

2.150% Notes due 2031 Officers Certificate of the Company dated December 10, 2021, including form of the 2031 Notes (Filed With SEC on December 10, 2021)

2.750% Notes due 2051 Officers Certificate of the Company dated December 10, 2021, including form of the 2051 Notes (Filed With SEC on December 10, 2021)

2.900% Notes due 2061 Officers Certificate of the Company dated December 10, 2021, including form of the 2061 Notes (Filed With SEC on December 10, 2021)

Description of the Registrants Common Stock (Filed With SEC on February 25, 2021)

Description of the Registrants 1.125% Notes due 2021, 1.875% Notes due 2026, and 2.500% Notes due 2034 (Filed With SEC on February 25, 2021)

Description of the Registrants 0.500% Notes due 2024 and 1.375% Notes due 2036 (Filed With SEC on February 25, 2021)

Form of restricted stock unit terms for 2021 annual grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 25, 2021)

Form of stock option terms for 2021 annual non-qualified option grants under the Merck & Co., Inc. 2019 Incentive Stock Plan (Filed With SEC on February 25, 2021)

0.750% Notes due 2026 Officers Certificate of the Company dated June 24, 2020, including form of the 2026 Notes (Filed With SEC on June 24, 2020)

1.450% Notes due 2030 Officers Certificate of the Company dated June 24, 2020, including form of the 2030 Notes (Filed With SEC on June 24, 2020)

2.350% Notes due 2040 Officers Certificate of the Company dated June 24, 2020, including form of the 2040 Notes (Filed With SEC on June 24, 2020)

2.450% Notes due 2050 Officers Certificate of the Company dated June 24, 2020, including form of the 2050 Notes (Filed With SEC on June 24, 2020)

Merck & Co., Inc. Deferral Program Including the Base Salary Deferral Plan (Amended and Restated effective December 1, 2019) (Filed With SEC on February 26, 2020)

Merck & Co., Inc. Plan for Deferred Payment of Directors Compensation (Amended and Restated effective as of January 1, 2020) (Filed With SEC on February 26, 2020)

2.900% Notes due 2024 Officers Certificate of the Company dated March 7, 2019, including form of the 2024 Notes (Filed With SEC on March 7, 2019)

3.400% Notes due 2029 Officers Certificate of the Company dated March 7, 2019, including form of the 2029 Notes (Filed With SEC on March 7, 2019)

3.900% Notes due 2039 Officers Certificate of the Company dated March 7, 2019, including form of the 2039 Notes (Filed With SEC on March 7, 2019)

4.000% Notes due 2049 Officers Certificate of the Company dated March 7, 2019, including form of the 2049 Notes (Filed With SEC on March 7, 2019)

Merck & Co., Inc. U.S. Separation Benefits Plan (amended and restated as of January 1, 2019) (Filed With SEC on February 27, 2019)

Severance Agreement and General Release between Merck & Co., Inc. and Adam H. Schechter, dated December 1, 2018 (Filed With SEC on February 27, 2019)

Offer Letter between Merck & Co., Inc. and Jennifer Zachary, dated March 16, 2018 (Filed With SEC on February 27, 2019)

Form of stock option terms for 2018 quarterly and annual non-qualified option grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 27, 2018)

Form of restricted stock unit terms for 2018 quarterly and annual grants under the Merck & Co., Inc. 2010 Incentive Stock Plan (Filed With SEC on February 27, 2018)

Merck & Co., Inc. Plan for Deferred Payment of Directors Compensation (effective as amended and restated as of January 1, 2018) (Filed With SEC on February 27, 2018)

MERCK & CO., INC. DEFERRAL PROGRAM Including the Base Salary Deferral Plan (Amended and Restated effective December 1, 2015) TABLE OF CONTENTS PageArticle IAdministration1Article... (Filed With SEC on February 28, 2017)

TERMS FOR 2016 NON-QUALIFIED STOCK OPTION (NQSO) GRANTS UNDER THE MERCK & CO., INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2017)

TERMS FOR 2016 RESTRICTED STOCK UNIT GRANTS UNDER THE MERCK & CO., INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2017)

2016 PERFORMANCE SHARE UNIT AWARD TERMS UNDER THE MERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on February 28, 2017)

MERCK & CO. INC. U.S. SEPARATION BENEFITS PLAN Amended and Restated as of January 1, 2017 MERCK & CO., INC., U.S. SEPARATION BENEFITS PLAN SECTION 1 PREAMBLE (Filed With SEC on February 28, 2017)

0.500% NOTES DUE 2024 MERCK & CO., INC. Officers Certificate (Filed With SEC on November 2, 2016)

1.375% NOTES DUE 2036 MERCK& CO., INC. Officers Certificate (Filed With SEC on November 2, 2016)

TERMS FOR 2015 NON-QUALIFIED STOCK OPTION (NQSO) GRANTS UNDER THE MERCK & CO. INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 26, 2016)

2015 PERFORMANCE SHARE UNIT AWARD TERMS UNDER THE MERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on February 26, 2016)

TERMS FOR 2015 RESTRICTED STOCK UNIT GRANTS UNDER THE MERCK & CO. INC 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 26, 2016)

FORM OF 2013 PERFORMANCE SHARE UNIT TERMS UNDER THE MERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on February 27, 2015)

FORM OF 2014 NON-QUALIFIED STOCK OPTION (NQSO) GRANTS UNDER THE MERCK & CO. INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 27, 2015)

FORM OF 2014 RESTRICTED STOCK UNIT GRANTS UNDER THE MERCK & CO. INC 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 27, 2015)

FORM OF 2014 PERFORMANCE SHARE UNIT AWARD TERMS UNDER THE MERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on February 27, 2015)

MERCK & CO. INC. U.S. SEPARATION BENEFITS PLAN Amended and Restated as of November 15, 2014 MERCK & CO., INC., U.S. SEPARATION BENEFITS PLAN SECTION 1 PREAMBLE (Filed With SEC on February 27, 2015)

FLOATING RATE NOTES DUE 2017 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

FLOATING RATE NOTES DUE 2020 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

1.850% NOTES DUE 2020 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

2.350% NOTES DUE 2022 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

2.750% NOTES DUE 2025 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

3.700% NOTES DUE 2045 MERCK & CO., INC. Officers Certificate (Filed With SEC on February 10, 2015)

1.125% NOTES DUE 2021 MERCK & CO., INC. Officers Certificate (Filed With SEC on October 15, 2014)

1.875% NOTES DUE 2026 MERCK & CO., INC. Officers Certificate (Filed With SEC on October 15, 2014)

2.500% NOTES DUE 2034 MERCK & CO., INC. Officers Certificate (Filed With SEC on October 15, 2014)

TERMS FOR 2014 NON-QUALIFIED STOCK OPTION (NQSO) GRANTS UNDER THE MERCK & CO. INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on May 8, 2014)

2014 PERFORMANCE SHARE UNIT AWARD TERMS UNDER THE MERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on May 8, 2014)

TERMS FOR 2014 RESTRICTED STOCK UNIT GRANTS UNDER THE MERCK & CO. INC 2010 INCENTIVE STOCK PLAN (Filed With SEC on May 8, 2014)

0.700% NOTES DUE 2016 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

FLOATING RATE NOTES DUE 2016 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

1.300% NOTES DUE 2018 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

FLOATING RATE NOTES DUE 2018 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

2.800% NOTES DUE 2023 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

4.150% NOTES DUE 2043 MERCK & CO., INC. Officers Certificate (Filed With SEC on May 20, 2013)

MERCK & CO., INC. DEFERRAL PROGRAM Including the Base Salary Deferral Plan (Amended and Restatedeffective January 1, 2013) TABLE OF CONTENTS (Filed With SEC on February 28, 2013)

FORM OF 2011 & 2012 PERFORMANCE SHARE UNIT TERMS UNDER THEMERCK & CO., INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on February 28, 2013)

FORM OF OPTION QUARTERLY, ANNUAL GRANTS STOCK OPTION TERMS STARTING 2013 FOR ANON-QUALIFIED STOCK OPTION (NQSO) UNDER THE MERCK & CO., INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2013)

FORM OF RSU QUARTERLY, ANNUAL GRANTS RESTRICTED STOCK UNIT TERMS STARTING 2013 UNDER THEMERCK & CO., INC 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2013)

MERCK & CO. INC. U.S. SEPARATION BENEFITS PLAN Effective as ofJanuary 1, 2013 MERCK & CO., INC., U.S. SEPARATION BENEFITS PLAN SECTION 1 PREAMBLE (Filed With SEC on February 28, 2013)

MERCK & CO., INC. CHANGE IN CONTROL SEPARATION BENEFITS PLAN (Effective as Amended and Restated, as of January 1, 2013) ARTICLE I PURPOSE (Filed With SEC on November 29, 2012)

1.100% NOTES DUE 2018 MERCK & CO., INC. Officers Certificate (Filed With SEC on September 13, 2012)

2.400% NOTES DUE 2022 MERCK & CO., INC. Officers Certificate (Filed With SEC on September 13, 2012)

3.600% NOTES DUE 2042 MERCK & CO., INC. Officers Certificate (Filed With SEC on September 13, 2012)

Merck Sharp & Dohme Corp., formerly known asMerck & Co., Inc., Schering Corporation, Merck & Co., Inc., formerly known as Schering-Plough Corporation, as a Guarantor and U.S. BANK... (Filed With SEC on May 8, 2012)

TERMS FOR 2012 PERFORMANCE SHARE UNITS UNDER THE MERCK & CO.,INC. 2010 STOCK INCENTIVE PLAN (Filed With SEC on May 8, 2012)

TERMS FOR 2012 OPTION QUARTERLY, ANNUAL GRANTS STOCK OPTION TERMS FOR A NON-QUALIFIED STOCK OPTION (NQSO) UNDER THE MERCK & CO. INC. 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2012)

TERMS FOR 2012 RSU QUARTERLY, ANNUAL GRANTS RESTRICTED STOCK UNIT TERMS FOR 2012 GRANTS UNDER THE MERCK & CO. INC 2010 INCENTIVE STOCK PLAN (Filed With SEC on February 28, 2012)

MERCK & CO. INC. U.S. SEPARATION BENEFITS PLAN Effective as ofJanuary 1, 2012 MERCK & CO., INC., U.S. SEPARATION BENEFITS PLAN SECTION 1 PREAMBLE (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYMERCK REBADGED EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYMERCK SEPARATED RETIREMENT ELIGIBLE EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYMERCK SEPARATED EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYMERCK BRIDGE-ELIGIBLE EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYSCHERING REBADGED EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYSCHERING SEPARATED RETIREMENT ELIGIBLE EMPLOYEES (Filed With SEC on February 28, 2012)

IMPORTANT INFORMATION ON THE SEPARATION PROGRAM APPLICABLE TO LEGACYSCHERING SEPARATED EMPLOYEES (Filed With SEC on February 28, 2012)

EX-101 INSTANCE DOCUMENT (Filed With SEC on May 9, 2011)

SECOND AMENDMENT AGREEMENT TO THE DISTRIBUTION AGREEMENT by and among CENTOCOR ORTHO BIOTECH INC., CNA DEVELOPMENT LLC, CILAG GMBH INTERNATIONAL, JANSSEN BIOLOGICS (IRELAND) and... (Filed With SEC on April 15, 2011)

MASTER TERMINATION AGREEMENT AND RELEASE (Filed With SEC on March 24, 2011)

MSD SEPARATION BENEFITS PLAN (Filed With SEC on February 28, 2011)

MSD SPECIAL SEPARATION PROGRAM (Filed With SEC on February 28, 2011)

MERCK & CO., INC. (Filed With SEC on February 28, 2011)

MERCK & CO., INC. TO U.S. BANK TRUST NATIONAL ASSOCIATION, as Trustee Indenture Dated as of January 6, 2010 MERCK & CO., INC. Certain Sections of this Indenture relating to... (Filed With SEC on December 10, 2010)

2.250% NOTES DUE 2016 MERCK & CO., INC. Officers Certificate (Filed With SEC on December 10, 2010)

3.875% NOTES DUE 2021 MERCK & CO., INC. Officers Certificate (Filed With SEC on December 10, 2010)

EX-101 INSTANCE DOCUMENT (Filed With SEC on August 6, 2010)

AMENDMENT NO. 4 TO THE CALL OPTION AGREEMENT (Filed With SEC on March 11, 2010)

EX-101 INSTANCE DOCUMENT (Filed With SEC on March 1, 2010)

AMENDMENT ONE to the MERCK & CO., INC. CHANGE IN CONTROL SEPARATION BENEFITS PLAN (Effective as Amended and Restated as of November 3, 2009) (Filed With SEC on February 18, 2010)

AMENDMENT ONE to the MERCK SHARP & DOHME CORP. 2007 INCENTIVE STOCK PLAN (As Amended and Restated as of November 3, 2009) (Filed With SEC on February 18, 2010)

TERMS FOR 2010 OPTION QUARTERLY, ANNUAL GRANTS STOCK OPTION TERMS FOR A NON-QUALIFIED STOCK OPTION (NQSO) UNDER THE MERCK SHARP & DOHME CORP. 2007 INCENTIVE STOCK PLAN... (Filed With SEC on February 18, 2010)

TERMS FOR 2010 RSU QUARTERLY, ANNUAL GRANTS RESTRICTED STOCK UNIT TERMS FOR 2010 GRANT UNDER THE MERCK SHARP & DOHME CORP. 2007 INCENTIVE STOCK PLAN SCHERING-PLOUGH 2006 STOCK... (Filed With SEC on February 18, 2010)

Merck Sharp & Dohme Corp., formerly known as Merck & Co., Inc. and Merck & Co., Inc., formerly known as Schering-Plough Corporation, as Guarantor to U.S. BANK TRUST NATIONAL... (Filed With SEC on November 4, 2009)

Merck & Co., Inc., formerly known as Schering-Plough Corporation and Merck Sharp & Dohme Corp., formerly known as Merck & Co.,Inc., as Guarantor to The Bank of New York Mellon, as... (Filed With SEC on November 4, 2009)

AMENDMENT NO. 1 TO AMENDED ANDRESTATED FIVE-YEAR CREDIT AGREEMENT (Filed With SEC on November 4, 2009)

Guarantee and Joinder Agreement (Filed With SEC on November 4, 2009)

GUARANTOR JOINDER AGREEMENT (Filed With SEC on November 4, 2009)

MERCK & CO., INC. 2006 NON-EMPLOYEE DIRECTORS STOCK OPTION PLAN (Effective as Amended and Restated on the ClosingDate of the Transactions) (Filed With SEC on November 4, 2009)

PLAN FOR DEFERRED PAYMENT OF DIRECTORS COMPENSATION (Effective as Amended and Restated on the Closing Date of the Transactions) (Filed With SEC on November 4, 2009)

MERCK SHARP & DOHME CORP. 2007 INCENTIVE STOCK PLAN (Filed With SEC on November 4, 2009)

AMENDMENT ONE to the MERCK & CO., INC. 2004 INCENTIVE STOCK PLAN (Amended and Restated as of December 19, 2006) (Filed With SEC on November 4, 2009)

AMENDMENT ONE to the MERCK & CO., INC. 2001 INCENTIVE STOCK PLAN (Amended and Restated as of December 19, 2006) (Filed With SEC on November 4, 2009)

AMENDMENT ONE to the MERCK & CO., INC. 1996 INCENTIVE STOCK PLAN (Amended and Restated as of December 19, 2006) (Filed With SEC on November 4, 2009)

AMENDMENT ONE to the MERCK & CO., INC. 2001 NON-EMPLOYEE DIRECTORS STOCKOPTION PLAN (Amended April 19, 2002) (Filed With SEC on November 4, 2009)

AMENDMENT ONE to the MERCK & CO., INC. 1996 NON-EMPLOYEE DIRECTORS STOCKOPTION PLAN (Amended April 27, 1999) (Filed With SEC on November 4, 2009)

MERCK & CO., INC. SCHERING-PLOUGH (Filed With SEC on November 4, 2009)

MERCK & CO., INC. CHANGE IN CONTROL SEPARATION BENEFITS PLAN (Effective as Amended and Restated, as of the Restatement Date) ARTICLE I PURPOSE (Filed With SEC on November 4, 2009)

MERCK SHARP & DOHMECORP. DEFERRAL PROGRAM Including the Base Salary Deferral Plan (Effective as Amendedand Restated on the Closing Date of the Transactions) (Filed With SEC on November 4, 2009)

AGREEMENT AND PLAN OF MERGER by and among MERCK & CO., INC., SCHERING-PLOUGH CORPORATION, BLUE, INC., and PURPLE, INC. March 8, 2009 TABLE OF CONTENTS (Filed With SEC on March 11, 2009)

EX-10.D: 2006 STOCK INCENTIVE PLAN (Filed With SEC on February 27, 2009)

EX-10.E.X.V: FORM OF EMPLOYMENT AGREEMENT (Filed With SEC on February 27, 2009)

EX-10.K: SAVINGS ADVANTAGE PLAN (Filed With SEC on February 27, 2009)

EX-10.L: SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Filed With SEC on February 27, 2009)

EX-10.M: RETIREMENT BENEFITS EQUALIZATION PLAN (Filed With SEC on February 27, 2009)

EX-10.D: 2006 STOCK INCENTIVE PLAN (Filed With SEC on February 29, 2008)

EX-10.E.VIII: EMPLOYMENT AGREEMENT WITH BRENT SAUNDERS (Filed With SEC on February 29, 2008)

EX-10.J: SEVERANCE BENEFIT PLAN (Filed With SEC on February 29, 2008)

AMENDMENT AGREEMENT to the DISTRIBUTION AGREEMENT dated April 3, 1998 by and between CENTOCOR, INC., CNA DEVELOPMENT, LLC (as licensee to Centocor, Inc.s worldwide rights to... (Filed With SEC on December 21, 2007)

EX-1.1: UNDERWRITING AGREEMENT (Filed With SEC on October 2, 2007)

EX-4.1: FOURTH SUPPLEMENTAL INDENTURE (Filed With SEC on October 2, 2007)

EX-10.1: SHARE PURCHASE AGREEMENT (Filed With SEC on October 2, 2007)

EX-1.1: UNDERWRITING AGREEMENT (Filed With SEC on September 17, 2007)

EX-4.1: THIRD SUPPLEMENTAL INDENTURE (Filed With SEC on September 17, 2007)

SCHERING-PLOUGH CORPORATION 6.00% Mandatory Convertible Preferred Stock Underwriting Agreement (Filed With SEC on August 13, 2007)

SCHERING-PLOUGH CORPORATION (Filed With SEC on August 13, 2007)

EX-10.E.V: EMPLOYMENT AGREEMENT (Filed With SEC on February 28, 2007)

EX-10.E.VI: EMPLOYMENT AGREEMENT (Filed With SEC on February 28, 2007)

EX-10.E.VIII: EMPLOYMENT AGREEMENT (Filed With SEC on February 28, 2007)

EX-10.E.IX: FORM OF CHANGE OF EMPLOYMENT AGREEMENT (Filed With SEC on February 28, 2007)

EX-10.L: SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Filed With SEC on February 28, 2007)

EX-10.D.III: SCHERING PLOUGH CORPORATION 2006 STOCK INCENTIVE PLAN (Filed With SEC on October 27, 2006)

EX-1O.E.XIII: SAVINGS ADVANTAGE PLAN (Filed With SEC on October 27, 2006)

EX-10.H.III: DIRECTORS COMPENSATION PLAN (Filed With SEC on October 27, 2006)

EX-10.M.II:OPERATIONS MANAGEMENT TEAM INCENTIVE PLAN (Filed With SEC on October 27, 2006)

EX-10.E.XII: SAVINGS ADVANTAGE PLAN (Filed With SEC on February 28, 2006)

EX-10.L: RETIREMENT BENEFITS EQUALIZATION PLAN (Filed With SEC on February 28, 2006)

EX-10.E.VI: REVISED FORM OF EMPLOYMENT AGREEMENT (Filed With SEC on March 9, 2005)

EX-10.E.XI: SEVERENCE BENEFIT PLAN AS AMENDED AND RESTATED (Filed With SEC on March 9, 2005)

EX-10.L: RETIREMENT BENEFITS EQUALIZATION PLAN (Filed With SEC on March 9, 2005)

EX-10.N: CASH LONG-TERM INCENTIVE PLAN (Filed With SEC on March 9, 2005)

EX-10.O: LONG-TERM PERFORMANCE SHARE UNIT INCENTIVE PLAN (Filed With SEC on March 9, 2005)

EX-10.W SUMMARY OF DIRECTOR COMPENSATION (Filed With SEC on March 9, 2005)

GLOBAL NOTE (Filed With SEC on February 26, 2004)

LETTER AGREEMENT (Filed With SEC on February 26, 2004)

EMPLOYMENT AGREEMENT (Filed With SEC on February 26, 2004)

AMENDMENT TO SUPPLEMENT TO EMPLOYMENT AGREEMENT (Filed With SEC on February 26, 2004)

SUPPLEMENT TO EMPLOYMENT AGREEMENT (Filed With SEC on February 26, 2004)

OPERATIONS MANAGEMENT TEAM INCENTIVE PLAN (Filed With SEC on February 26, 2004)

CASH LONG-TERM INCENTIVE PLAN (Filed With SEC on February 26, 2004)

LONG-TERM PERFORMANCE SHARE UNIT INCENTIVE PLAN (Filed With SEC on February 26, 2004)

TRANSFORMATIONAL PERFORMANCE SHARES PROGRAM (Filed With SEC on February 26, 2004)

DISTRIBUTION AGREEMENT (Filed With SEC on February 26, 2004)

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Merck Contracts & Agreements