Olin Corporation Contracts & Agreements

Amended and Restated Retirement Savings Plan (Filed With SEC on October 25, 2024)

Olin Corporation Supplemental Retirement Savings Plan (Filed With SEC on October 1, 2024)

Olin Corporation CAPV President Separation Letter (Filed With SEC on July 26, 2024)

Olin Corporation (Filed With SEC on July 26, 2024)

Olin Corporation Change in Control Severance Plan for (Filed With SEC on April 26, 2024)

Olin Corporation Severance Plan for Officers effective April 24, 2024 (Filed With SEC on April 26, 2024)

Description of Olin Corporation Securities registered under Section 12 of the Exchange Act (Filed With SEC on February 22, 2024)

Amended and Restated 1997 Stock Plan for Non-employee Directors (Filed With SEC on February 22, 2024)

Olin Corporation Contributing Employee Ownership Plan Amended and Restated effective as of January 1, 2018 (Filed With SEC on February 22, 2024)

Offer Letter dated February 15, 2024 by and between Kenneth Lane and Olin Corporation (Filed With SEC on February 20, 2024)

Form of Olin Corporation Retentional Agreement (Filed With SEC on December 20, 2023)

Olin Corporation Section 16 Short-Term Incentive Plan (Filed With SEC on December 13, 2023)

Transition Agreement between Olin Corporation and Scott Sutton, Dated October 30, 2023 (Filed With SEC on November 2, 2023)

Description of Olin Corporation Securities registered under Section 12 of the Exchange Act (Filed With SEC on February 23, 2023)

Description of Restricted Stock Unit Awards granted under one of Olin's Long Term Incentive Plans (Filed With SEC on February 23, 2023)

Performance Share Program adopted February 22, 2023 (Filed With SEC on February 23, 2023)

Form of Non-Qualified Stock Option Award Certificate (Filed With SEC on February 23, 2023)

Form of Restricted Stock Unit Award Certificate (Filed With SEC on February 23, 2023)

Form of Performance Award Certificate (Filed With SEC on February 23, 2023)

Summary of Stock Option/Performance Share Continuation Provisions for Olin Employees as amended effective September 1, 2021 (Filed With SEC on February 23, 2023)

Twelfth Amendment to Amended and Restated Credit and Funding Agreement, dated as of October 11, 2022, among Olin Corporation, the Lenders (as defined therein), and PNC Bank,... (Filed With SEC on October 12, 2022)

Description of Olin Corporation Securities registered under Section 12 of the Exchange Act (Filed With SEC on February 24, 2022)

Amendment No. 8 dated January 20, 2022 to Receivables Financing Agreement dated December 20, 2016 among Olin Corporation, Olin Finance Company, LLC, PNC Bank, National... (Filed With SEC on February 24, 2022)

Amended and Restated 1997 Stock Plan for Non-employee Directors codified to reflect amendments adopted through October 27, 2021 (Filed With SEC on February 24, 2022)

Olin Corporation 2022 Short Term Incentive Program dated December 1 (Filed With SEC on December 10, 2021)

Restricted Stock Award to Damian Gumpel dated December 10, 2021 and related (Filed With SEC on December 10, 2021)

Second Supplemental Indenture, dated as of November 15, 2021, by and between Olin Corporation and U.S. Bank National Association (Filed With SEC on November 16, 2021)

Eleventh Amendment dated August 30, 2021 to Amended and Restated Credit and Funding Agreement dated December 9, 2010 among Olin Corporation, Olin Winchester, LLC, the Lenders as... (Filed With SEC on October 22, 2021)

First Amendment dated August 30, 2021 to Forward Purchase Agreement dated March 9, 2017, among Olin Corporation, Olin Winchester, LLC, the Lenders as named therein, and PNC Bank,... (Filed With SEC on October 22, 2021)

Amendment No. 7 to Receivables Financing Agreement, dated as of September 28, 2021, among Olin Corporation, as servicer, Olin Finance Company, LLC, as borrower, PNC Bank, National... (Filed With SEC on September 29, 2021)

Amendment No. 6 dated February 24, 2021 to Receivables Financing Arrangement and Reaffirmation of Performance Guaranty dated December 20, 2016 among Olin Corporation, Olin Finance... (Filed With SEC on April 28, 2021)

Olin Corporation 2021 Long Term Incentive Plan (Filed With SEC on April 26, 2021)

Olin Corporation 2021 Long Term Incentive Plan (Filed With SEC on April 23, 2021)

Tenth Amendment to Amended and Restated Credit and Funding Agreement, dated as of February 24, 2021, among Olin Corporation, the Lenders (as defined therein), and PNC Bank,... (Filed With SEC on March 1, 2021)

Description of Olin Corporation Securities registered under Section 12 of the Exchange Act (Filed With SEC on February 22, 2021)

Amendment No. 5 dated December 28, 2020 to Receivables Financing Arrangement and Reaffirmation of Performance Guaranty dated December 20, 2016 among Olin Corporation, Olin Finance... (Filed With SEC on February 22, 2021)

Description of Restricted Stock Unit Awards granted under one of Olin's Long Term Incentive Plans (Filed With SEC on February 22, 2021)

Form of Restricted Stock Unit and Performance Restricted Stock Unit Award Certificate (Filed With SEC on February 22, 2021)

Olin Corporation 2021 Short Term Incentive Program dated December 10, 2020 (Filed With SEC on December 14, 2020)

Seventh Supplemental Indenture dated September 30, 2020 between Olin Corporation and U. S. Bank National Association, as trustee, governing the Senior Notes (Filed With SEC on November 5, 2020)

Second Supplemental Indenture dated September 18, 2020 between Blue Cube Spinco LLC, as issuer, Olin Corporation, as guarantor, and U. S. Bank National Association, as trustee,... (Filed With SEC on November 5, 2020)

First Supplemental Indenture dated September 30, 2020 between Olin Corporation and U. S. Bank National Association, as trustee, governing the 9.50% Senior Notes due 2025 (Filed With SEC on November 5, 2020)

Amendment to Cooperation Agreement, dated as of October 1, 2020, between Olin Corporation and Sachem Head Capital Management LP (Filed With SEC on October 2, 2020)

Performance Share Program as amended through April 22, 2020 (Filed With SEC on August 7, 2020)

Offer Letter dated as of July 14, 2020 by and between Scott M. Sutton and Olin Corporation (Filed With SEC on July 15, 2020)

Indenture, dated as of May 19, 2020, between Olin Corporation and U.S. Bank National Association, as trustee, governing the Senior Notes (Filed With SEC on May 20, 2020)

Ninth Amendment to Amended and Restated Credit and Funding Agreement, dated as of May 8, 2020, among Olin Corporation, the Lenders (as defined therein), and PNC Bank, National... (Filed With SEC on May 11, 2020)

Amendment No. 3 to Receivables Financing Agreement and Reaffirmation of Performance Guaranty, dated as of April 23, 2020, among Olin Corporation, as servicer, Olin Finance... (Filed With SEC on April 23, 2020)

Amendment No. 2 to Receivables Financing Agreement and Reaffirmation of Performance Guaranty, dated as of March 27, 2020, among Olin Corporation, as servicer, Olin Finance... (Filed With SEC on March 27, 2020)

Cooperation Agreement, dated as of February 29, 2020, between Olin Corporation and Sachem Head Capital Management LP (Filed With SEC on March 2, 2020)

Description of Olin Corporation Securities registered under Section 12 of the Exchange Act (Filed With SEC on February 25, 2020)

Amended and Restated 1997 Stock Plan for Non-employee Directors codified to reflect amendments adopted through January 1, 2020 (Filed With SEC on February 25, 2020)

Form of Non-Qualified Stock Option Award Certificate (Filed With SEC on February 25, 2020)

Form of Restricted Stock Unit Award Certificate (Filed With SEC on February 25, 2020)

Form of Performance Award Certificate (Filed With SEC on February 25, 2020)

Olin Corporation Short Term Incentive Program dated February 18, 2020 (Filed With SEC on February 21, 2020)

Eighth Amendment to Amended and Restated Credit and Funding Agreement, dated as of December 20, 2019, among Olin Corporation, the Lenders (as defined therein), and PNC Bank,... (Filed With SEC on December 20, 2019)

First Amendment to Credit Agreement, dated as of December 20, 2019, among Olin Corporation, Blue Cube Spinco, LLC, the Lenders and Issuing Banks (as defined therein) and Wells... (Filed With SEC on December 20, 2019)

Olin Stock Option/Performance Share Continuation Provisions for Olin Employees, as amended effective August 20, 2019 (Filed With SEC on August 22, 2019)

Master Confirmation - Accelerated Share Repurchase, dated August 5, 2019, between Olin Corporation and Goldman Sachs & Co. LLC (Filed With SEC on August 5, 2019)

Underwriting Agreement, dated as of July 11, 2019, between Olin Corporation and J.P. Morgan Securities LLC, as representative of the several underwriters named therein (Filed With SEC on July 16, 2019)

Sixth Supplemental Indenture, dated as of July 16, 2019, between Olin Corporation and U.S. Bank National Association, as trustee, governing the Senior Notes (Filed With SEC on July 16, 2019)

Seventh Amendment to Amended and Restated Credit and Funding Agreement, dated as of July 16, 2019, among Olin Corporation, the Lenders (as defined therein), and PNC Bank, National... (Filed With SEC on July 16, 2019)

Amendment No. 1 to Receivables Financing Agreement and Reaffirmation of Performance Guaranty, dated as of July 16, 2019, among Olin Corporation, as servicer, Olin Finance Company,... (Filed With SEC on July 16, 2019)

Credit Agreement, dated as of July 16, 2019, among Olin Corporation, Blue Cube Spinco, LLC, the Lenders and Issuing Banks (as defined therein) and Wells Fargo Bank, National... (Filed With SEC on July 16, 2019)

Olin Corporation Performance Share Program as amended through January 24, 2019 (Filed With SEC on May 2, 2019)

Olin Corporation Short Term Incentive Program dated February 18, 2019 (Filed With SEC on February 22, 2019)

Amended and Restated Olin Corporation 2000 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2003 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2006 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2009 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2014 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2016 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Amended and Restated Olin Corporation 2018 Long Term Incentive Plan codified as of January 27, 2019 (Filed With SEC on January 30, 2019)

Olin Corporation Change in Control Severance Plan for Section 16(b) Officers, effective as of January 27, 2019 (Filed With SEC on December 14, 2018)

Olin Corporation Severance Plan for Section 16(b) Officers, effective as of January 27, 2019 (Filed With SEC on December 14, 2018)

Third Amendment Agreement, dated as of June 28, 2018, among Olin Corporation, Olin Canada ULC and Blue Cube Spinco LLC, the Lenders named therein and Wells Fargo Bank, National... (Filed With SEC on August 1, 2018)

Olin Corporation Performance Share Program as amended through January 25, 2018 (Filed With SEC on May 2, 2018)

Olin Corporation 2018 Long Term Incentive Plan (Filed With SEC on April 30, 2018)

Underwriting Agreement, dated as of January 16, 2018, between Olin Corporation and Citigroup Global Markets Inc., as representative of the several underwriters named therein (Filed With SEC on January 19, 2018)

Fifth Supplemental Indenture, dated as of January 16, 2018, between Olin Corporation and U.S. Bank National Association, as trustee, governing the Senior Notes (Filed With SEC on January 19, 2018)

Form of executive agreement between Olin Corporation and Mr. Blanchard dated April 26, 2017 (Filed With SEC on August 1, 2017)

Form of executive change in control agreement between Olin Corporation and Mr. Blanchard dated April 26, 2017 (Filed With SEC on August 1, 2017)

FIFTH AMENDMENT TO AMENDED AND RESTATED CREDIT AND FUNDING AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as... (Filed With SEC on May 3, 2017)

OLIN CORPORATION 5.125% SeniorNotes Due 2027 UNDERWRITING AGREEMENT (Filed With SEC on March 9, 2017)

FORWARD PURCHASE AGREEMENT (2017) by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as Administrative Agent and PNC CAPITAL... (Filed With SEC on March 9, 2017)

SIXTH AMENDMENT TO AMENDED AND RESTATED CREDIT AND FUNDING AGREEMENT byand among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as... (Filed With SEC on March 9, 2017)

OLIN CORPORATION 5.125% SENIORNOTES DUE 2027 FOURTH SUPPLEMENTAL INDENTURE DATED AS OF MARCH 9, 2017 U.S. BANKNATIONAL ASSOCIATION, as Trustee (Filed With SEC on March 9, 2017)

SECONDAMENDMENT AGREEMENT (Filed With SEC on March 9, 2017)

US$1,975,000,000 AMENDED AND RESTATED CREDITAGREEMENT Dated as of October 5, 2015 (as amended and restated by the Second Amendment Agreement dated as of March 9, 2017) among OLIN... (Filed With SEC on March 9, 2017)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (Codified to reflect amendments adopted through February 26, 2016) (Filed With SEC on March 1, 2016)

INCREMENTAL TERM LOAN AMENDMENT (Filed With SEC on November 9, 2015)

FORM OF OLIN CORPORATION 2014 Long Term Incentive Plan Performance-Based Restricted Stock Unit Award Performance-Based Restricted Stock Unit Certificate (Filed With SEC on November 4, 2015)

CREDIT AGREEMENT Dated as of August25, 2015 Among OLIN CORPORATION as Borrower THE SUBSIDIARIES OF OLIN CORPORATION FROM TIME TO TIME PARTY HERETO THE LENDERS NAMED HEREIN as... (Filed With SEC on August 25, 2015)

CREDIT AGREEMENT Dated as of June 23, 2015 Among OLIN CORPORATION and OLIN CANADA ULC as Borrowers THE LENDERS NAMED HEREIN as Lenders WELLS FARGO BANK, NATIONAL ASSOCIATION as... (Filed With SEC on June 29, 2015)

CREDIT AGREEMENT (Filed With SEC on June 29, 2015)

MERGER AGREEMENT (Filed With SEC on March 27, 2015)

SEPARATION AGREEMENT (Filed With SEC on March 27, 2015)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (Codified to reflect amendments adopted through December 2, 2014, effective January 1, 2015) (Filed With SEC on February 25, 2015)

OLIN CORPORATION PERFORMANCE SHARE PROGRAM (Codified to reflect amendments through January 23, 2015) (Filed With SEC on February 25, 2015)

AMENDED AND RESTATED FORWARD PURCHASE AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as Administrative Agent... (Filed With SEC on June 25, 2014)

THIRD AMENDMENT TO AMENDED AND RESTATED FUNDING AND CREDIT AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as... (Filed With SEC on June 25, 2014)

EXECUTION COPY (Filed With SEC on June 25, 2014)

OLIN CORPORATION 2014 LONG TERM INCENTIVE PLAN (Filed With SEC on April 25, 2014)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (as Amended and Restated Effective December 12, 2013) (Filed With SEC on February 24, 2014)

AMENDED AND RESTATED OLIN CORPORATION 2000 LONG TERM INCENTIVE PLAN (Codified as of January 24, 2014) (Filed With SEC on February 24, 2014)

AMENDED AND RESTATED OLIN CORPORATION 2003 LONG TERM INCENTIVE PLAN (Codified as of January 24, 2014) (Filed With SEC on February 24, 2014)

AMENDED AND RESTATED OLIN CORPORATION 2006 LONG TERM INCENTIVE PLAN (Codified as of January 24, 2014) (Filed With SEC on February 24, 2014)

AMENDED AND RESTATED OLIN CORPORATION 2009 LONG TERM INCENTIVE PLAN (Codified as of January 24, 2014) (Filed With SEC on February 24, 2014)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (as Amended and Restated Effective October 24, 2012) (Filed With SEC on February 25, 2013)

#PageNum# (Filed With SEC on October 29, 2012)

OLIN CORPORATION ____________________ 5.50% SENIOR NOTES DUE 2022 ____________________ THIRD SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 22, 2012 ____________________ U.S. BANK... (Filed With SEC on August 22, 2012)

FORM OF 5.50% SENIOR NOTE (Face of Note) 5.50% Senior Notes due 2022 [Global Notes Legend] (Filed With SEC on August 22, 2012)

OLIN CORPORATION, THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., As Original Trustee, and U.S. BANK NATIONAL ASSOCIATION, As Separate Trustee SECOND SUPPLEMENTAL INDENTURE Dated... (Filed With SEC on August 9, 2012)

STOCK PURCHASE AGREEMENT DATED AS OF JULY 17, 2012 BY AND AMONG EACH OF THE STOCKHOLDERS OF K. A. STEEL CHEMICALS INC., AS SELLERS, K. A. STEEL CHEMICALS INC., AS THE COMPANY,... (Filed With SEC on July 18, 2012)

FORWARD PURCHASE AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as Administrative Agent and PNC CAPITAL... (Filed With SEC on May 3, 2012)

SECOND AMENDMENT TO AMENDED AND RESTATED (Filed With SEC on May 3, 2012)

PURCHASE AGREEMENT dated as of February 28, 2011 by and among POLYONE CORPORATION, 1997 CHLORALKALI VENTURE, LLC, OLIN CORPORATION and OLIN SUNBELT II, INC. (Filed With SEC on March 3, 2011)

PERFORMANCE SHARE PROGRAM Codified to reflect amendments through December 31, 2010 (Filed With SEC on February 24, 2011)

TRUST INDENTURE Dated as of December 27, 2010 Between THE INDUSTRIAL DEVELOPMENT BOARD OF THE COUNTY OF BRADLEY AND THE CITY OF CLEVELAND, TENNESSEE and U. S. BANK NATIONAL... (Filed With SEC on December 30, 2010)

LOAN AGREEMENT Dated as of December 27, 2010 Between THE INDUSTRIAL DEVELOPMENT BOARD OF THE COUNTY OF BRADLEY AND THE CITY OF CLEVELAND, TENNESSEE and OLIN CORPORATION Relating... (Filed With SEC on December 30, 2010)

BOND PURCHASE AGREEMENT (Filed With SEC on December 30, 2010)

FIRST AMENDMENT TO AMENDED AND RESTATED CREDIT AND FUNDING AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as... (Filed With SEC on December 30, 2010)

TRUST INDENTURE Dated as of December 1, 2010 Between MISSISSIPPI BUSINESS FINANCE CORPORATION and U. S. BANK NATIONAL ASSOCIATION Relating to the issuance of $42,000,000 (Maximum,... (Filed With SEC on December 10, 2010)

LOAN AGREEMENT Dated as of December 1, 2010 Between MISSISSIPPI BUSINESS FINANCE CORPORATION and OLIN CORPORATION Relating to the issuance of $42,000,000 (maximum principal... (Filed With SEC on December 10, 2010)

BOND PURCHASE AGREEMENT (Filed With SEC on December 10, 2010)

AMENDED AND RESTATED CREDIT AND FUNDING AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as Administrative Agent... (Filed With SEC on December 10, 2010)

TRUST INDENTURE Dated as of October 1, 2010 Between THE INDUSTRIAL DEVELOPMENT AUTHORITY OF WASHINGTON COUNTY and U. S. BANK NATIONAL ASSOCIATION Relating to the issuance of... (Filed With SEC on October 20, 2010)

LOAN AGREEMENT Dated as of October 1, 2010 Between THE INDUSTRIAL DEVELOPMENT AUTHORITY OF WASHINGTON COUNTY and OLIN CORPORATION Relating to the issuance of $50,000,000 Gulf... (Filed With SEC on October 20, 2010)

BOND PURCHASE AGREEMENT (Filed With SEC on October 20, 2010)

CREDIT AND FUNDING AGREEMENT by and among OLIN CORPORATION as Borrower and THE LENDERS PARTY HERETO and PNC BANK, NATIONAL ASSOCIATION as Administrative Agent and PNC CAPITAL... (Filed With SEC on October 20, 2010)

OLINCORPORATION CONTRIBUTINGEMPLOYEE OWNERSHIP PLAN Amendedand Restated Effective as of December 31, 2009 TABLEOF CONTENTS (Filed With SEC on February 24, 2010)

OLINCORPORATION PERFORMANCESHARE PROGRAM Codifiedto reflect amendments throughOctober 22, 2008 (Filed With SEC on October 28, 2009)

OLIN CORPORATION AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Trustee Indenture Dated as of August 19, 2009 Debt Securities OLIN CORPORATION Debt Securities CROSS... (Filed With SEC on August 19, 2009)

OLIN CORPORATION (Filed With SEC on August 19, 2009)

FORM OF 8.875% SENIOR NOTE (Face of Note) 8.875% Senior Notes due 2019 (Filed With SEC on August 19, 2009)

BENEFITPLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENTTO THE OLIN CORPORATION SUPPLEMENTALCONTRIBUTING EMPLOYEE OWNERSHIP PLAN (Asamended and restated effective October 24,... (Filed With SEC on April 29, 2009)

OLINSTOCK OPTION/PERFORMANCE SHARE CONTINUATIONPROVISIONS FOR OLIN EMPLOYEES APRIL2009 (Filed With SEC on April 29, 2009)

OLINCORPORATION AMENDEDAND RESTATED 1997STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (AsAmended and Restated Effective December 11, 2008) (Filed With SEC on February 25, 2009)

DESCRIPTIONOF RESTRICTEDSTOCK UNIT AWARD GRANTEDUNDER THE OLINCORPORATION __________ LONG TERM INCENTIVE PLAN (Filed With SEC on February 25, 2009)

OLINCORPORATION CONTRIBUTINGEMPLOYEE OWNERSHIP PLAN Effectiveas of December 1, 2003 TABLEOF CONTENTS (Filed With SEC on February 25, 2009)

OLINSENIOR EXECUTIVE PENSION PLAN (Amendedand Restated as of October 24, 2008) Table ofContents (Filed With SEC on October 27, 2008)

OLINSUPPLEMENTARY AND DEFERRAL BENEFIT PENSION PLAN (AsAmended and Restated as of October 24, 2008) Table ofContents (Filed With SEC on October 27, 2008)

OlinCorporation SupplementalContributing Employee Ownership Plan Asamended and restated effective October 24, 2008 Table ofContents (Filed With SEC on October 27, 2008)

OLINSENIOR MANAGEMENT INCENTIVE COMPENSATION PLAN (Amendedand Restated as of October 24, 2008) (Filed With SEC on October 27, 2008)

OLINCORPORATION AMENDEDAND RESTATED 1997STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (AsAmended and Restated Effective October 23, 2008) (Filed With SEC on October 27, 2008)

OLINCORPORATION 2000LONG TERM INCENTIVE PLAN (Codifiedas of October 22, 2008) (Filed With SEC on October 27, 2008)

OLINCORPORATION 2003LONG TERM INCENTIVE PLAN (Codifiedas of October 22, 2008) (Filed With SEC on October 27, 2008)

OLINCORPORATION 2006LONG TERM INCENTIVE PLAN (Codifiedas of October 22, 2008) (Filed With SEC on October 27, 2008)

2006PERFORMANCE SHARE PROGRAM Codifiedto reflect amendments throughOctober 22, 2008 (Filed With SEC on October 27, 2008)

OLINCORPORATION PERFORMANCESHARE PROGRAM Codifiedto reflect amendments throughOctober 22, 2008 (Filed With SEC on October 27, 2008)

FIRSTAMENDMENT TO PURCHASEAND CONTRIBUTION AGREEMENT (Filed With SEC on October 27, 2008)

SECONDAMENDMENT TO PURCHASEAND CONTRIBUTION AGREEMENT (Filed With SEC on October 27, 2008)

THIRDAMENDMENT TO PURCHASEAND CONTRIBUTION AGREEMENT (Filed With SEC on October 27, 2008)

FIRSTAMENDMENT TO RECEIVABLESPURCHASE AGREEMENT (Filed With SEC on October 27, 2008)

SECONDAMENDMENT TO RECEIVABLESPURCHASE AGREEMENT (Filed With SEC on October 27, 2008)

THIRDAMENDMENT TO RECEIVABLESPURCHASE AGREEMENT (Filed With SEC on October 27, 2008)

FOURTHAMENDMENT TO RECEIVABLESPURCHASE AGREEMENT (Filed With SEC on October 27, 2008)

BENEFITPLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENTTO THE OLINSENIOR EXECUTIVE PENSION PLAN (Asamended and restated effective July 27, 2000) (Filed With SEC on February 28, 2008)

BENEFITPLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENTTO THE OLIN CORPORATION SUPPLEMENTALCONTRIBUTING EMPLOYEE OWNERSHIP PLAN (Asamended and restated effective January 1,... (Filed With SEC on February 28, 2008)

1997Stock Plan for Non-employee Directors Amendmentadopted by Olin Corporation Board of Directors on January 25, 2008 (Filed With SEC on February 28, 2008)

BENEFITPLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENTTO THE OLINSUPPLEMENTARY AND DEFERRAL BENEFIT PENSION PLAN (Asamended and restated effective February 8, 1999) (Filed With SEC on February 28, 2008)

OLINCORPORATION Non-QualifiedStock Option (Filed With SEC on February 28, 2008)

OLINCORPORATION ____ LongTerm Incentive Plan RestrictedStock Unit Award RestrictedStock Unit Certificate (Filed With SEC on February 28, 2008)

OLINCORPORATION PERFORMANCESHARE AWARD CERTIFICATE UnderPerformance Share Program (Filed With SEC on February 28, 2008)

U.S. $220,000,000 CREDIT AGREEMENT Dated as of October 29, 2007 Among OLIN CORPORATION and PCI CHEMICALS CANADA COMPANY/ SOCIT PCI CHIMIE CANADA as Borrowers THE BANKS NAMED... (Filed With SEC on October 30, 2007)

PURCHASE AND CONTRIBUTION AGREEMENT Dated as of July 25, 2007 Among The parties listed on Schedule I hereto as Sellers and OLIN CORPORATION as Collection Agent and OLIN FUNDING... (Filed With SEC on July 27, 2007)

RECEIVABLES PURCHASE AGREEMENT Dated as of July 25, 2007 Among OLIN FUNDING COMPANY LLC as the Seller and CAFCO, LLC and VARIABLE FUNDING CAPITAL COMPANY LLC as the Investors and... (Filed With SEC on July 27, 2007)

U.S. $100,000,000 CREDIT AGREEMENT Dated as of June 26, 2007 Among OLIN CORPORATION as Borrower and THE BANKS NAMED HEREIN as Banks and CITIBANK, N.A. as Administrative Agent and... (Filed With SEC on June 29, 2007)

U.S. $150,000,000 CREDIT AGREEMENT Dated as of June 26, 2007 Among OLIN CORPORATION as Borrower and THE BANKS NAMED HEREIN as Banks and CITIBANK, N.A. as Administrative Agent and... (Filed With SEC on June 29, 2007)

AGREEMENT AND PLAN OF MERGER Dated as of May 20, 2007, Among OLIN CORPORATION, PRINCETON MERGER CORP. And PIONEER COMPANIES, INC. (Filed With SEC on May 21, 2007)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (As Amended Effective December 7,2006) (Filed With SEC on February 27, 2007)

BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENT TO THE (Filed With SEC on October 26, 2006)

OLIN CORPORATION 6.75% Senior Notes due 2016 (Filed With SEC on July 28, 2006)

OLIN CORPORATION 6.75% Notes Due 2016 REGISTRATION RIGHTS AGREEMENT (Filed With SEC on July 28, 2006)

OLIN CORPORATION AND (Filed With SEC on June 27, 2006)

Washington, D. C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT ASTRUSTEE CHECKIF AN APPLICATION TO DETERMINE... (Filed With SEC on June 27, 2006)

BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENT TO THE (Filed With SEC on March 3, 2006)

BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENT TO THE OLIN CORPORATION SUPPLEMENTAL CONTRIBUTING EMPLOYEE OWNERSHIP PLAN (As amended and restated effective January 1,... (Filed With SEC on March 3, 2006)

OLIN CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (As Amended Effective January 27, 2006) (Filed With SEC on March 3, 2006)

BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION AMENDMENT TO THE (Filed With SEC on March 3, 2006)

2006 PERFORMANCE SHARE PROGRAM (Filed With SEC on March 3, 2006)

OLIN AND ARCH STOCK OPTION/PERFORMANCE SHARE CONTINUATION PROVISIONS FOR OLIN EMPLOYEES FEBRUARY 2006 (Filed With SEC on March 3, 2006)

[Olin Letterhead] (Filed With SEC on August 3, 2005)

Election to Terminate Plan Participation (Filed With SEC on May 31, 2005)

RESOLUTION OF THE BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION (Filed With SEC on May 31, 2005)

RESOLUTIONS OF THE BENEFIT PLAN REVIEW COMMITTEE OF OLIN CORPORATION (adopted May 1, 2001) (Filed With SEC on May 31, 2005)

SUPPLEMENTAL CONTRIBUTING EMPLOYEE OWNERSHIP PLAN As amended and restated effective January 1, 2005 (Filed With SEC on May 6, 2005)

RESTRICTED STOCK UNITAWARD GRANTED UNDER THE OLIN 2003 LONG TERM INCENTIVE PLAN (Filed With SEC on March 9, 2005)

The % of the target number of Performance Shares paid will be: (Filed With SEC on March 9, 2005)

190 Carondelet Plaza Suite 1530 Clayton, MO 63105-3443 February 17, 2005 (Filed With SEC on March 9, 2005)

CREDIT AGREEMENT Dated as of July 30, 2004 Among (Filed With SEC on August 6, 2004)

SUPPLEMENTAL CONTRIBUTING EMPLOYEE OWNERSHIP PLAN (Filed With SEC on March 9, 2004)

Voluntary Employment Separation Agreement and Release (Filed With SEC on March 9, 2004)

1988 STOCK OPTION PLAN FOR KEY EMPLOYEES OF OLIN CORPORATION AND SUBSIDIARIES (As Amended Through January30, 2003) (Filed With SEC on March 6, 2003)

OLIN CORPORATION (Filed With SEC on March 6, 2003)

Age at Retirement (Filed With SEC on March 6, 2003)

EXECUTIVE AGREEMENT (Filed With SEC on March 6, 2003)

OLIN 1991 LONG TERM INCENTIVE PLAN (As Amended through January 30, 2003) (Filed With SEC on March 6, 2003)

OLIN CORPORATION (Filed With SEC on March 6, 2003)

1996 STOCK OPTION PLAN (Filed With SEC on March 6, 2003)

OLIN CORPORATION (Filed With SEC on March 6, 2003)

InterOffice Memo (Filed With SEC on March 6, 2003)

501 MERRITT 7, P.O. BOX 4500, NORWALK, CT ###-###-#### (Filed With SEC on March 6, 2003)

AMENDMENT TO PARTNERSHIP AGREEMENT (Filed With SEC on March 6, 2003)

Name of Executive (Filed With SEC on November 13, 2002)

OLIN CORPORATION 1997 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (As Amended Effective July 25, 2002) Amendment adopted on July 25, 2002 is underlined. (Filed With SEC on November 13, 2002)

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