OLN

SEC source: 0000074303-20-000039 · wf-form4_157961988039532.xml · nonDerivative · entry 1

Slater Todd A · CIK 0001328189 · VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,577

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000074303-20-000022 · wf-form4_157834541689120.xml · derivative · entry 3

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560

Underlying: Common Stock · 560 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F4 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F4 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000020 · wf-form4_157834514324306.xml · derivative · entry 2

SAMPSON JOHN MAURICE · CIK 0001655048 · EVP, Business Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 800

Underlying: Common Stock · 800 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000018 · wf-form4_157834448169925.xml · derivative · entry 3

VARILEK JAMES A · CIK 0001654938 · EVP & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,090

Underlying: Common Stock · 1,090 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000016 · wf-form4_157834423249431.xml · derivative · entry 3

Sumner R Nichole · CIK 0001607503 · VP & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 550

Underlying: Common Stock · 550 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000014 · wf-form4_157834398699713.xml · derivative · entry 3

Slater Todd A · CIK 0001328189 · VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,040

Underlying: Common Stock · 1,040 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000012 · wf-form4_157834370520578.xml · derivative · entry 3

PETERS VALERIE A · CIK 0001752101 · VP, HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 610

Underlying: Common Stock · 610 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000010 · wf-form4_157834345208261.xml · derivative · entry 3

MCINTOSH JOHN L · CIK 0001220617 · EVP, Synergies & Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,040

Underlying: Common Stock · 1,040 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000008 · wf-form4_157834316396774.xml · derivative · entry 4

FLAUGHER BRETT A · CIK 0001727635 · VP & Pres, Winchester

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 630

Underlying: Common Stock · 630 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000006 · wf-form4_157834292523364.xml · derivative · entry 3

Fischer John E. · CIK 0001294077 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F3 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F3 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000004 · wf-form4_157834267999712.xml · derivative · entry 2

Dawson Pat D · CIK 0001654933 · EVP-Pres, Intl & Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,210

Underlying: Common Stock · 1,210 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F2 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F2 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-20-000002 · wf-form4_157834233681063.xml · derivative · entry 2

BLANCHARD ERIC A · CIK 0001037494 · VP, General Counsel & Secty

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 920

Underlying: Common Stock · 920 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F2 · derivative.exercise_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

F2 · derivative.expiration_date: Restricted stock units vest on January 2, 2023, and vested shares will be delivered to the reporting person promptly thereafter.

SEC source: 0000074303-19-000078 · wf-form4_157676957128886.xml · derivative · entry 3

LARRIMORE RANDALL W · CIK 0001220616 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,781

Underlying: Common Stock · 146 shares

Expires not disclosed

F2 · derivative.exercise_price: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F3 · price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.expiration_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0000074303-19-000076 · wf-form4_157616742894383.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,448.502

Underlying: Common Stock · 193.116 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

SEC source: 0000074303-19-000074 · wf-form4_157616588009438.xml · derivative · entry 2

Benoist Gray G · CIK 0001373207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,843.913

Underlying: Common Stock · 238.721 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

SEC source: 0000074303-20-000024 · wf-form4a_157868923083627.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,861.924

Underlying: Common Stock · 193.116 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F3 · balance_after: Due to a clerical error, this number was incorrectly reported as 11,448.502 rather than 16,861.924.

SEC source: 0001209191-19-057584 · doc4.xml · nonDerivative · entry 1

MCINTOSH JOHN L · CIK 0001220617 · EVP, Synergies & Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,227

F1 · price: This transaction was executed in multiple trades ranging from $16.85 to $16.87. The price reported above reflects the average weighted sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-19-056867 · doc4.xml · derivative · entry 3

LARRIMORE RANDALL W · CIK 0001220616 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,635

Underlying: Common Stock · 172 shares

Expires not disclosed

F2 · derivative.exercise_price: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F3 · price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.expiration_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0001209191-19-056865 · doc4.xml · derivative · entry 2

Alderman Heidi S · CIK 0001784838 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,046

Underlying: Common Stock · 4,046 shares

Expires not disclosed

F1 · security: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F1 · derivative.expiration_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0001209191-19-049279 · doc4.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,668.808

Underlying: Common Stock · 178.343 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

SEC source: 0001209191-19-049277 · doc4.xml · derivative · entry 2

Benoist Gray G · CIK 0001373207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,605.192

Underlying: Common Stock · 220.459 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

SEC source: 0001209191-19-047459 · doc4.xml · nonDerivative · entry 4

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

SEC source: 0001209191-19-047459 · doc4.xml · nonDerivative · entry 3

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

SEC source: 0001209191-19-047459 · doc4.xml · nonDerivative · entry 2

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,600

SEC source: 0001209191-19-047459 · doc4.xml · nonDerivative · entry 1

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,500

SEC source: 0000074303-20-000036 · wf-form4a_157919917774309.xml · nonDerivative · entry 4

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,556.1711

F1 · balance_after: The reporting person filed a Form 4 on August 27, 2019 that inadvertently failed to include in the shares owned, 556.1711 shares acquired and held under a dividend reinvestment plan.

SEC source: 0000074303-20-000036 · wf-form4a_157919917774309.xml · nonDerivative · entry 3

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,556.1711

F1 · balance_after: The reporting person filed a Form 4 on August 27, 2019 that inadvertently failed to include in the shares owned, 556.1711 shares acquired and held under a dividend reinvestment plan.

SEC source: 0000074303-20-000036 · wf-form4a_157919917774309.xml · nonDerivative · entry 2

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,156.1711

F1 · balance_after: The reporting person filed a Form 4 on August 27, 2019 that inadvertently failed to include in the shares owned, 556.1711 shares acquired and held under a dividend reinvestment plan.

SEC source: 0000074303-20-000036 · wf-form4a_157919917774309.xml · nonDerivative · entry 1

Sutton Scott McDougald · CIK 0001642832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,056.1711

F1 · balance_after: The reporting person filed a Form 4 on August 27, 2019 that inadvertently failed to include in the shares owned, 556.1711 shares acquired and held under a dividend reinvestment plan.

SEC source: 0001209191-19-047226 · doc4.xml · nonDerivative · entry 1

Alderman Heidi S · CIK 0001784838 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

SEC source: 0001209191-19-047123 · doc4.xml · nonDerivative · entry 1

VARILEK JAMES A · CIK 0001654938 · EVP & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,004

SEC source: 0001209191-19-047121 · doc4.xml · nonDerivative · entry 1

Sumner R Nichole · CIK 0001607503 · VP & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,535

SEC source: 0001209191-19-047119 · doc4.xml · nonDerivative · entry 1

Slater Todd A · CIK 0001328189 · VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,327

SEC source: 0001209191-19-047117 · doc4.xml · nonDerivative · entry 1

SAMPSON JOHN MAURICE · CIK 0001655048 · EVP, Business Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,979.288

F1 · balance_after: Amount includes 2,108.399 shares held under dividend reinvestment plans acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-047113 · doc4.xml · nonDerivative · entry 1

FLAUGHER BRETT A · CIK 0001727635 · VP & President, Winchester

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,629

SEC source: 0001209191-19-047115 · doc4.xml · nonDerivative · entry 1

MCINTOSH JOHN L · CIK 0001220617 · EVP, Synergies & Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,227

SEC source: 0001209191-19-047109 · doc4.xml · nonDerivative · entry 1

Dawson Pat D · CIK 0001654933 · EVP, Int'l & Corp. Strategy

10b5-1 filing: Not disclosed

Ownership: Indirect · Family Trust

Disclosed balance after: 56,500

SEC source: 0001209191-19-047111 · doc4.xml · nonDerivative · entry 1

Fischer John E. · CIK 0001294077 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,292

SEC source: 0001209191-19-045727 · doc4.xml · nonDerivative · entry 4

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,873.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045851 · doc4.xml · nonDerivative · entry 1

Smith Vince J · CIK 0001443207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,304

SEC source: 0001209191-19-045727 · doc4.xml · nonDerivative · entry 3

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,843.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045727 · doc4.xml · nonDerivative · entry 2

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,793.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045727 · doc4.xml · nonDerivative · entry 1

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,743.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045259 · doc4.xml · nonDerivative · entry 3

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,643.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045259 · doc4.xml · nonDerivative · entry 2

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,543.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045478 · doc4.xml · derivative · entry 3

LARRIMORE RANDALL W · CIK 0001220616 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,463

Underlying: Common Stock · 172 shares

Expires not disclosed

F2 · derivative.exercise_price: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F3 · price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.expiration_date: Shares of common stock for meeting fees which the reporting person elected to defer under the Amended and Restated 1997 Stock Plan for Non-employee Directors. Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0001209191-19-045475 · doc4.xml · derivative · entry 2

Babcock Beverley A · CIK 0001780505 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,107

Underlying: Common Stock · 5,107 shares

Expires not disclosed

F1 · security: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F1 · derivative.expiration_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0001209191-19-045261 · doc4.xml · nonDerivative · entry 1

BUNCH C ROBERT · CIK 0001228213 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,665

F1 · price: This transaction was executed in multiple trades ranging from $17.82 to $17.88. The price reported above reflects the average weighted purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-19-045259 · doc4.xml · nonDerivative · entry 1

VERMILLION TERESA M · CIK 0001729998 · VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,293.426

F1 · balance_after: Amount includes 186.426 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

SEC source: 0001209191-19-045058 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,918