SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 3)*

Mentor Graphics Corporation
(Name of Issuer)

Common Stock, without par value
(Title of Class of Securities)

587200106
(CUSIP Number)

Marc Weitzen
Icahn Capital LP
767 Fifth Avenue, 47th Floor
New York, New York 10153
(212) 702-4300

(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)

June 30, 2010
(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 Section 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 Rule 13d-7 for other parties to whom copies are to be sent.

*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).


SCHEDULE 13D

CUSIP No. 587200106


1 NAME OF REPORTING PERSON
 High River Limited Partnership

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 2,316,479

8 SHARED VOTING POWER
 0

9 SOLE DISPOSITIVE POWER
 2,316,479

10 SHARED DISPOSITIVE POWER
 0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 2,316,479

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 2.17%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Hopper Investments LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 2,316,479

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 2,316,479

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 2,316,479

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 2.17%

14 TYPE OF REPORTING PERSON
 OO


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Barberry Corp.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 2,316,479

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 2,316,479

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 2,316,479

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 2.17%

14 TYPE OF REPORTING PERSON
 CO


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Partners Master Fund LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 3,976,671

8 SHARED VOTING POWER
 0

9 SOLE DISPOSITIVE POWER
 3,976,671

10 SHARED DISPOSITIVE POWER
 0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 3,976,671

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 3.72%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Partners Master Fund II LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 1,392,042

8 SHARED VOTING POWER
 0

9 SOLE DISPOSITIVE POWER
 1,392,042

10 SHARED DISPOSITIVE POWER
 0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 1,392,042

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 1.30%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Partners Master Fund III LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 525,684

8 SHARED VOTING POWER
 0

9 SOLE DISPOSITIVE POWER
 525,684

10 SHARED DISPOSITIVE POWER
 0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 525,684

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 0.49%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Offshore LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 5,894,397

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 5,894,397

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 5,894,397

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 5.52%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Partners LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 3,371,520

8 SHARED VOTING POWER
 0

9 SOLE DISPOSITIVE POWER
 3,371,520

10 SHARED DISPOSITIVE POWER
 0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 3,371,520

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 3.16%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Onshore LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 3,371,520

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 3,371,520

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 3,371,520

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 3.16%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Capital LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 9,265,917

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 9,265,917

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9,265,917

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 8.67%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 IPH GP LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 9,265,917

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 9,265,917

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9,265,917

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 8.67%

14 TYPE OF REPORTING PERSON
 OO


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Enterprises Holdings L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 9,265,917

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 9,265,917

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9,265,917

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 8.67%

14 TYPE OF REPORTING PERSON
 PN


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Icahn Enterprises G.P. Inc.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 9,265,917

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 9,265,917

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9,265,917

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 8.67%

14 TYPE OF REPORTING PERSON
 CO


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Beckton Corp.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS
 WC

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 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
 9,265,917

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 9,265,917

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9,265,917

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 8.67%

14 TYPE OF REPORTING PERSON
 CO


SCHEDULE 13D

CUSIP No. 587200106

1 NAME OF REPORTING PERSON
 Carl C. Icahn

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a) / /
 (b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS

5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
 2(d) or 2(e) / /

6 CITIZENSHIP OR PLACE OF ORGANIZATION
 United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

7 SOLE VOTING POWER
 0

8 SHARED VOTING POWER
 11,582,396

9 SOLE DISPOSITIVE POWER
 0

10 SHARED DISPOSITIVE POWER
 11,582,396

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 11,582,396

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES / /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 10.84%

14 TYPE OF REPORTING PERSON
 IN


SCHEDULE 13D

Item 1. Security and Issuer

The Schedule 13D filed with the Securities and Exchange Commission on May 27, 2010 (the "Initial 13D"), by the Reporting Persons with respect to the shares of Common Stock, without par value (the "Shares"), issued by Mentor Graphics Corporation (the "Issuer"), is hereby amended to furnish the additional information set forth herein. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Initial 13D.

Item 3. Source and Amount of Funds or Other Consideration

Item 3 of the Initial 13D is hereby amended and restated in its entirety as
follows:

The Reporting Persons hold, in the aggregate, 11,582,396 Shares (including Shares underlying call options. See Item 5). The aggregate purchase price of the Shares purchased by the Reporting Persons collectively was $83,188,298 (including commissions and premiums for the options to purchase Shares). The source of funding for the purchase of these Shares was the general working capital of the respective purchasers. The Shares are held by the Reporting Persons in margin accounts together with other securities. Such margin accounts may from time to time have debit balances. Part of the purchase price of the Shares purchased by the Reporting Persons was obtained through margin borrowing. As of the close of business on June 29, 2010, the indebtedness of (i) High River's margin account was approximately $801,061,535, (ii) Icahn Partners' margin account was approximately $347,745,434, (iii) Icahn Master's margin account was approximately $369,327,263, (iv) Icahn Master II's margin account was approximately $131,976,212, and (v) Icahn Master III's margin account was approximately $52,375,478.

Item 4. Purpose of Transaction

Item 4 of the Initial 13D is hereby amended to add the following:

The Reporting Persons have met with management of the Issuer, and look forward to further conversations and to working constructively with current management to maximize shareholder value.

Item 5. Interest in Securities of the Issuer

Item 5 of the Initial 13D is hereby amended and restated in its entirety as
follows:

(a) The Reporting Persons may be deemed to beneficially own, in the aggregate, 11,582,396 Shares (including Shares underlying call options), representing approximately 10.84% of the Issuer's outstanding Shares (based upon the 106,827,894 Shares stated to be outstanding as of June 4, 2010 by the Issuer in the Issuer's quarterly report on Form 10-Q filed with the Securities and Exchange Commission on June 8, 2010).

(b) High River has sole voting power and sole dispositive power with regard to 2,316,479 Shares (including Shares underlying call options). Each of Hopper, Barberry and Mr. Icahn has shared voting power and shared dispositive power with regard to such Shares. Icahn Master has sole voting power and sole dispositive power with regard to 3,976,671 Shares (including Shares underlying call options). Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn has shared voting power and shared dispositive power with regard to such Shares. Icahn Master II has sole voting power and sole dispositive power with regard to 1,392,042 Shares (including Shares underlying call options). Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn has shared voting power and shared dispositive power with regard to such Shares. Icahn Master III has sole voting power and sole dispositive power with regard to 525,684 Shares (including Shares underlying call options). Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn has shared voting power and shared dispositive power with regard to such Shares. Icahn Partners has sole voting power and sole dispositive power with regard to 3,371,520 Shares (including Shares underlying call options). Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn has shared voting power and shared dispositive power with regard to such Shares.

Each of Hopper, Barberry and Mr. Icahn, by virtue of their relationships to High River (as disclosed in Item 2), may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which High River directly beneficially owns. Each of Hopper, Barberry and Mr. Icahn disclaims beneficial ownership of such Shares for all other purposes. Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn, by virtue of their relationships to each of Icahn Master, Icahn Master II and Icahn Master III (as disclosed in Item 2), may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which each of Icahn Master, Icahn Master II and Icahn Master III directly beneficially owns. Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares for all other purposes. Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn, by virtue of their relationships to Icahn Partners (as disclosed in Item 2), may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which Icahn Partners directly beneficially owns. Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares for all other purposes.

(c) The following table sets forth all transactions with respect to Shares effected by any of the Reporting Persons since their last filing on Schedule
13D. Except as otherwise noted below, all such transactions were purchases of Shares effected in the open market, and the table includes commissions paid in per share prices.

Name of Date of No. of Purchase
Reporting Transaction Shares Price
Person Purchased Per Share
--------- ----------- --------- ---------
High River 06/23/2010 (1) 24,240 (2) 3.86
High River 06/24/2010 (1) 41,901 (2) 3.68
High River 06/25/2010 (1) 33,140 (2) 3.75
High River 06/28/2010 (1) 29,663 (2) 3.79
High River 06/29/2010 (1) 59,927 (2) 3.55
High River 06/30/2010 (1) 100,000 (2) 3.26

Icahn Partners 06/23/2010 (1) 35,281 (2) 3.86
Icahn Partners 06/24/2010 (1) 60,983 (2) 3.68
Icahn Partners 06/25/2010 (1) 48,234 (2) 3.75
Icahn Partners 06/28/2010 (1) 43,173 (2) 3.79
Icahn Partners 06/29/2010 (1) 87,222 (2) 3.55
Icahn Partners 06/30/2010 (1) 145,545 (2) 3.26

Icahn Master 06/23/2010 (1) 41,611 (2) 3.86
Icahn Master 06/24/2010 (1) 71,931 (2) 3.68
Icahn Master 06/25/2010 (1) 56,890 (2) 3.75
Icahn Master 06/28/2010 (1) 50,922 (2) 3.79
Icahn Master 06/29/2010 (1) 102,877 (2) 3.55
Icahn Master 06/30/2010 (1) 171,668 (2) 3.26

Icahn Master II 06/23/2010 (1) 14,566 (2) 3.86
Icahn Master II 06/24/2010 (1) 25,179 (2) 3.68
Icahn Master II 06/25/2010 (1) 19,916 (2) 3.75
Icahn Master II 06/28/2010 (1) 17,825 (2) 3.79
Icahn Master II 06/29/2010 (1) 36,011 (2) 3.55
Icahn Master II 06/30/2010 (1) 60,094 (2) 3.26

Icahn Master III 06/23/2010 (1) 5,501 (2) 3.86
Icahn Master III 06/24/2010 (1) 9,509 (2) 3.68
Icahn Master III 06/25/2010 (1) 7,520 (2) 3.75
Icahn Master III 06/28/2010 (1) 6,731 (2) 3.79
Icahn Master III 06/29/2010 (1) 13,600 (2) 3.55
Icahn Master III 06/30/2010 (1) 22,693 (2) 3.26
_________________________

(1) Shares underlying American-style call options purchased by the applicable Reporting Person in the over-the-counter market, which expire on June 7, 2012.
(2) This amount represents the cost of an applicable American-style call option to purchase one Share. The per share exercise price of these call options is $5.65. This exercise price will be adjusted to account for any dividends or other distributions declared by the Issuer prior to exercise of the options.

Item 6. Contracts, Arrangements, Understandings or Relationship with Respect to Securities of the Issuer

Item 6 of the Initial 13D is hereby amended to add the following:

The Reporting Persons have purchased American-style call options referencing an aggregate of 3,813,573 Shares, which expire on June 7, 2012. The agreements provide for physical settlement (unless the Reporting Person opts for a cash settlement). These agreements do not give the Reporting Persons direct or indirect voting, investment or dispositive control over the Shares to which these agreements relate. These agreements are further described in Item 5(c).

The Reporting Persons have sold European-style put options referencing an aggregate of 3,813,573 Shares, which expire on June 7, 2012. The agreements provide that they settle in cash. These agreements do not give the Reporting Persons direct or indirect voting, investment or dispositive control over the Shares to which these agreements relate.


SIGNATURE

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

Dated: June 30, 2010

ICAHN PARTNERS MASTER FUND LP
ICAHN PARTNERS MASTER FUND II LP
ICAHN PARTNERS MASTER FUND III LP
ICAHN OFFSHORE LP
ICAHN PARTNERS LP
ICAHN ONSHORE LP
BECKTON CORP.
HOPPER INVESTMENTS LLC
BARBERRY CORP.
HIGH RIVER LIMITED PARTNERSHIP
By: Hopper Investments LLC, general partner

By: /s/ Edward E. Mattner
 ------------------------
 Name: Edward E. Mattner
 Title: Authorized Signatory

ICAHN CAPITAL LP
By: IPH GP LLC, its general partner By: Icahn Enterprises Holdings L.P., its sole member By: Icahn Enterprises G.P. Inc., its general partner IPH GP LLC
By: Icahn Enterprises Holdings L.P., its sole member By: Icahn Enterprises G.P. Inc., its general partner ICAHN ENTERPRISES HOLDINGS L.P.
By: Icahn Enterprises G.P. Inc., its general partner
ICAHN ENTERPRISES G.P. INC.

By: /s/ Dominick Ragone
 ---------------------
 Name: Dominick Ragone
 Title: Chief Financial Officer


/s/ Carl C. Icahn
--------------------
CARL C. ICAHN

[Signature Page of Schedule 13D - Mentor Graphics Corporation]

Mentor Graphics Corp. (NASDAQ:MENT)
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Mentor Graphics Corp. (NASDAQ:MENT)
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부터 7월(7) 2023 으로 7월(7) 2024 Mentor Graphics Corp. 차트를 더 보려면 여기를 클릭.