UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 2)1

MeadWestvaco Corporation

(Name of Issuer)

Common Stock, $0.01 par value per share

(Title of Class of Securities)

583334107

(CUSIP Number)

JEFFREY C. SMITH

STARBOARD VALUE LP

777 Third Avenue, 18th Floor

New York, New York 10017

(212) 845-7977

STEVE WOLOSKY, ESQ.

OLSHAN FROME WOLOSKY LLP

Park Avenue Tower

65 East 55th Street

New York, New York 10022

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

July 1, 2015

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

_______________

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

2

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON CO

3

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE AND OPPORTUNITY S LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

4

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE AND OPPORTUNITY C LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

5

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE R LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

6

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE R GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

7

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD LEADERS BRAVO LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

8

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD LEADERS FUND LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

9

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE A LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

10

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE A GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

11

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD VALUE GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

12

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD PRINCIPAL CO LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON PN

13

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STARBOARD PRINCIPAL CO GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON OO

14

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON JEFFREY C. SMITH
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IN

15

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON MARK R. MITCHELL
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IN

16

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON PETER A. FELD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IN

17

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON STEVEN J. KLINGER
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IN

18

CUSIP NO. 583334107

1	NAME OF REPORTING PERSON GEORGE W. WURTZ, III
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON - 0 -
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%
14	TYPE OF REPORTING PERSON IN

19

CUSIP NO. 583334107

The following constitutes Amendment No. 2 to the Schedule 13D filed by the undersigned (the “Amendment No. 2”).  This Amendment No. 2 amends the Schedule 13D as specifically set forth herein.

Item 4. Purpose of Transaction.

Item 4 is hereby amended to add the following:

On July 1, 2015, pursuant to that certain Second Amended and Restated Business Combination Agreement, dated as of April 17, 2015, as amended on May 5, 2015 (the “Business Combination Agreement”), by and among the Issuer, WestRock Company (formerly known as Rome-Milan Holdings, Inc.), a Delaware corporation (“WestRock”), Rock-Tenn Company, a Georgia corporation, Rome Merger Sub, Inc., a Georgia corporation and wholly owned subsidiary of WestRock, and Milan Merger Sub, LLC, a Delaware limited liability company and wholly owned subsidiary of WestRock (“MWV Merger Sub”), MWV Merger Sub merged with and into the Issuer, with the Issuer surviving the merger as a wholly owned subsidiary of WestRock (the “Merger”).  Effective as of the close of business on July 1, 2015, each Share owned by the Reporting Persons was converted into 0.78 shares of common stock of WestRock pursuant to the Business Combination Agreement.  Accordingly, as a result of the Merger, the Reporting Persons own less than 5% of the outstanding shares of WestRock and no longer beneficially own any securities of the Issuer.

Item 5. Interest in Securities of the Issuer.

Items 5(a)-(e) are hereby amended and restated to read as follows:

(a)-(b) Effective as of the close of business on July 1, 2015, as a result of the Merger, each Share owned by the Reporting Persons was converted into 0.78 shares of common stock of WestRock pursuant to the Business Combination Agreement.  Accordingly, the Reporting Persons no longer beneficially own any securities of the Issuer.

(c) The transactions in the Shares by the Reporting Persons during the past sixty (60) days are set forth in Schedule A and are incorporated herein by reference.

(d) Not applicable.

(e) As of the close of business on July 1, 2015, the Reporting Persons ceased to be the beneficial owners of more than 5% of the Shares of the Issuer.

20

CUSIP NO. 583334107

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated:  July 2, 2015

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD By: Starboard Value LP,        its investment manager   STARBOARD VALUE AND OPPORTUNITY S LLC By: Starboard Value LP,        its manager   STARBOARD VALUE AND OPPORTUNITY C LP By: Starboard Value R LP,        its general partner   STARBOARD VALUE R LP By: Starboard Value R GP LLC,        its general partner   STARBOARD LEADERS BRAVO LLC By: Starboard Value A LP,       its managing member   STARBOARD LEADERS FUND LP By: Starboard Value A LP,        its general partner       STARBOARD VALUE A LP By: Starboard Value A GP LLC,       its general partner   STARBOARD VALUE LP By: Starboard Value GP LLC,        its general partner   STARBOARD VALUE GP LLC By: Starboard Principal Co LP,        its member   STARBOARD PRINCIPAL CO LP By: Starboard Principal Co GP LLC,        its general partner   STARBOARD PRINCIPAL CO GP LLC   STARBOARD VALUE A GP LLC   STARBOARD VALUE R GP LLC

By:	/s/ Jeffrey C. Smith
	Name:	Jeffrey C. Smith
	Title:	Authorized Signatory

/s/ Jeffrey C. Smith

JEFFREY C. SMITH

Individually and as attorney-in-fact for Mark R. Mitchell, Peter A. Feld, Steven J. Klinger and George W. Wurtz, III

21

CUSIP NO. 583334107

SCHEDULE A

Transactions in the Shares During the Past Sixty Days

Nature of the Transaction Amount of Securities Purchased/(Sold) Price Per Security ($) Date of Purchase/Sale

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

Purchase of Cash-Settled Total Return Swap	100,000	49.6802	05/01/2015
Purchase of Cash-Settled Total Return Swap	65,600	47.9948	05/05/2015
Purchase of Cash-Settled Total Return Swap	1,045,059	50.7100	05/18/2015
Sale of Cash-Settled Total Return Swap	(56,164)	50.7100	05/18/2015
Sale of Cash-Settled Total Return Swap	(988,895)	50.7100	05/18/2015
Sale of Common Stock	(37,036)	50.9774	05/19/2015
Sale of Common Stock	(25,542)	51.1100	05/19/2015
Sale of Common Stock	(65,133)	51.0992	05/19/2015
Sale of Common Stock	(25,542)	51.1873	05/20/2015
Sale of Common Stock	(38,313)	51.2126	05/20/2015
Sale of Common Stock	(25,542)	51.1488	05/21/2015
Sale of Common Stock	(51,084)	51.5766	05/22/2015
Sale of Common Stock	(25,542)	51.4477	05/22/2015
Sale of Common Stock	(51,084)	51.3514	05/26/2015
Sale of Common Stock	(25,542)	51.2387	05/26/2015
Sale of Cash-Settled Total Return Swap	(63,856)	51.3689	05/27/2015
Sale of Cash-Settled Total Return Swap	(38,313)	51.3314	05/28/2015
Sale of Cash-Settled Total Return Swap	(89,398)	50.9901	05/29/2015
Purchase of Cash-Settled Total Return Swap	217,812	48.8461	06/04/2015
Purchase of Cash-Settled Total Return Swap	18,151	49.4448	06/05/2015
Purchase of Cash-Settled Total Return Swap	18,151	49.3619	06/09/2015
Sale of Cash-Settled Total Return Swap	(26,270)	50.6557	06/19/2015
Purchase of Cash-Settled Total Return Swap	18,151	48.4897	06/22/2015
Purchase of Cash-Settled Total Return Swap	71,864	47.6060	06/29/2015
Purchase of Cash-Settled Total Return Swap	215,593	47.5611	06/30/2015
Purchase of Cash-Settled Total Return Swap	36,730	47.9840	07/01/2015

CUSIP NO. 583334107

STARBOARD VALUE AND OPPORTUNITY S LLC

Purchase of Common Stock	12,000	47.9948	05/05/2015
Sale of Common Stock	(7,361)	50.9774	05/19/2015
Sale of Common Stock	(5,077)	51.1100	05/19/2015
Sale of Common Stock	(12,946)	51.0992	05/19/2015
Sale of Common Stock	(5,077)	51.1873	05/20/2015
Sale of Common Stock	(7,615)	51.2126	05/20/2015
Sale of Common Stock	(5,077)	51.1488	05/21/2015
Sale of Common Stock	(10,154)	51.5766	05/22/2015
Sale of Common Stock	(5,077)	51.4477	05/22/2015
Sale of Common Stock	(10,154)	51.3514	05/26/2015
Sale of Common Stock	(5,077)	51.2387	05/26/2015
Sale of Common Stock	(12,692)	51.3689	05/27/2015
Sale of Common Stock	(7,615)	51.3314	05/28/2015
Sale of Common Stock	(17,768)	50.9901	05/29/2015
Purchase of Common Stock	36,408	48.8461	06/04/2015
Purchase of Common Stock	3,034	49.4448	06/05/2015
Purchase of Common Stock	3,034	49.3619	06/09/2015
Sale of Common Stock	(5,144)	50.6557	06/19/2015
Purchase of Common Stock	3,034	48.4897	06/22/2015
Purchase of Common Stock	12,013	47.6060	06/29/2015
Purchase of Common Stock	36,039	47.5611	06/30/2015
Purchase of Common Stock	5,741	47.9840	07/01/2015

STARBOARD VALUE AND OPPORTUNITY C LP

Purchase of Common Stock	6,600	47.9948	05/05/2015
Sale of Common Stock	(4,064)	50.9774	05/19/2015
Sale of Common Stock	(2,803)	51.1100	05/19/2015
Sale of Common Stock	(7,148)	51.0992	05/19/2015
Sale of Common Stock	(2,803)	51.1873	05/20/2015
Sale of Common Stock	(4,205)	51.2126	05/20/2015
Sale of Common Stock	(2,803)	51.1488	05/21/2015
Sale of Common Stock	(5,606)	51.5766	05/22/2015
Sale of Common Stock	(2,803)	51.4477	05/22/2015
Sale of Common Stock	(5,606)	51.3514	05/26/2015
Sale of Common Stock	(2,803)	51.2387	05/26/2015

CUSIP NO. 583334107

Sale of Common Stock	(7,008)	51.3689	05/27/2015
Sale of Common Stock	(4,205)	51.3314	05/28/2015
Sale of Common Stock	(9,811)	50.9901	05/29/2015
Purchase of Common Stock	19,977	48.8461	06/04/2015
Purchase of Common Stock	1,665	49.4448	06/05/2015
Purchase of Common Stock	1,665	49.3619	06/09/2015
Sale of Common Stock	(2,839)	50.6557	06/19/2015
Purchase of Common Stock	1,665	48.4897	06/22/2015
Purchase of Common Stock	6,591	47.6060	06/29/2015
Purchase of Common Stock	19,773	47.5611	06/30/2015
Purchase of Common Stock	3,136	47.9840	07/01/2015

STARBOARD LEADERS BRAVO LLC

Purchase of Cash-Settled Total Return Swap	360,042	50.7100	05/18/2015
Sale of Cash-Settled Total Return Swap	(360,042)	50.7100	05/18/2015
Sale of Common Stock	(50,797)	50.9774	05/19/2015
Sale of Common Stock	(35,032)	51.1100	05/19/2015
Sale of Common Stock	(89,332)	51.0992	05/19/2015
Sale of Common Stock	(35,032)	51.1873	05/20/2015
Sale of Common Stock	(52,548)	51.2126	05/20/2015
Sale of Common Stock	(35,032)	51.1488	05/21/2015
Sale of Common Stock	(70,064)	51.5766	05/22/2015
Sale of Common Stock	(35,032)	51.4477	05/22/2015
Sale of Common Stock	(70,064)	51.3514	05/26/2015
Sale of Common Stock	(35,032)	51.2387	05/26/2015
Sale of Cash-Settled Total Return Swap	(87,580)	51.3689	05/27/2015
Sale of Cash-Settled Total Return Swap	(52,549)	51.3314	05/28/2015
Sale of Cash-Settled Total Return Swap	(122,611)	50.9901	05/29/2015
Purchase of Cash-Settled Total Return Swap	277,794	48.8461	06/04/2015
Purchase of Cash-Settled Total Return Swap	23,149	49.4448	06/05/2015
Purchase of Cash-Settled Total Return Swap	23,149	49.3619	06/09/2015
Sale of Cash-Settled Total Return Swap	(35,794)	50.6557	06/19/2015
Purchase of Cash-Settled Total Return Swap	23,149	48.4897	06/22/2015

CUSIP NO. 583334107

Purchase of Cash-Settled Total Return Swap	93,692	47.6060	06/29/2015
Purchase of Cash-Settled Total Return Swap	281,075	47.5611	06/30/2015
Purchase of Cash-Settled Total Return Swap	46,845	47.9840	07/01/2015

STARBOARD VALUE LP

(Through the Starboard Value LP Accounts)

Purchase of Common Stock	15,800	47.9948	05/05/2015
Sale of Common Stock	(45,742)	50.9774	05/19/2015
Sale of Common Stock	(31,546)	51.1100	05/19/2015
Sale of Common Stock	(80,441)	51.0992	05/19/2015
Sale of Common Stock	(31,546)	51.1873	05/20/2015
Sale of Common Stock	(47,319)	51.2126	05/20/2015
Sale of Common Stock	(31,546)	51.1488	05/21/2015
Sale of Common Stock	(63,092)	51.5766	05/22/2015
Sale of Common Stock	(31,546)	51.4477	05/22/2015
Sale of Common Stock	(63,092)	51.3514	05/26/2015
Sale of Common Stock	(31,546)	51.2387	05/26/2015
Sale of Common Stock	(78,864)	51.3689	05/27/2015
Sale of Common Stock	(47,318)	51.3314	05/28/2015
Sale of Common Stock	(110,412)	50.9901	05/29/2015
Purchase of Common Stock	48,009	48.8461	06/04/2015
Purchase of Common Stock	4,001	49.4448	06/05/2015
Purchase of Common Stock	4,001	49.3619	06/09/2015
Sale of Common Stock	(29,953)	50.6557	06/19/2015
Purchase of Common Stock	4,001	48.4897	06/22/2015
Sale of Common Stock	(93,100)	49.3127	06/24/2015
Purchase of Common Stock	15,840	47.6060	06/29/2015
Purchase of Common Stock	47,520	47.5611	06/30/2015
Purchase of Common Stock	7,548	47.9840	07/01/2015