Edgar Filing: FLAUGHER BRETT A

Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Â FLAUGHER BRETT A

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2018

3. Issuer Name and Ticker or Trading Symbol
OLIN CORP [OLN]

(Last)

(First)

(Middle)

C/O OLIN CORPORATION, 190 CARONDELET PLZ,Â STE 1530

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
President, Winchester

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

CLAYTON,Â MOÂ 63105

6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock $1 par value	27,129	D	Â
Common Stock $1 par value	7,975	I	By Trust
Common Stock $1 par value	3,883.0387 ⁽¹⁾	I	By ESOP Trustee

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (Right to Buy)	02/05/2011	02/04/2020	Common Stock	12,500	$ 15.68	D	Â
Employee Stock Option (Right to Buy)	02/11/2012	02/11/2021	Common Stock	8,000	$ 18.78	D	Â
Employee Stock Option (Right to Buy)	02/10/2013	02/09/2022	Common Stock	6,000	$ 21.92	D	Â
Employee Stock Option (Right to Buy)	02/11/2014	02/10/2023	Common Stock	7,000	$ 23.28	D	Â
Employee Stock Option (Right to Buy)	02/10/2015	02/09/2024	Common Stock	9,000	$ 25.57	D	Â
Employee Stock Option (Right to Buy)	Â ⁽²⁾	02/12/2025	Common Stock	11,250	$ 27.4	D	Â
Employee Stock Option (Right to Buy)	Â ⁽³⁾	02/11/2026	Common Stock	15,000	$ 13.14	D	Â
Employee Stock Option (Right to Buy)	Â ⁽⁴⁾	02/10/2027	Common Stock	19,000	$ 29.75	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
FLAUGHER BRETT A C/O OLIN CORPORATION, 190 CARONDELET PLZ STE 1530 CLAYTON,Â MOÂ 63105	Â	Â	Â President, Winchester	Â

Signatures

/s/ T. E. Murphy, Attorney-in-Fact		01/10/2018
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The figure represents shares of Olin Common Stock held under the Olin Common Stock Fund of the Olin Corporation Contributing Employee Ownership Plan (CEOP), a tax conditioned plan reflecting transactions exempt under Rule 16b-3, as reported by the CEOP Plan Administrator as of January 1, 2018.
(2)	The option vests in three annual installments beginning on February 13, 2016.
(3)	The option vests in three annual installments beginning on February 12, 2017.
(4)	The option vests in three annual installments beginning on February 10, 2018.

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