UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 4)*

Martin Marietta Materials, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

573284106

(CUSIP Number)

NNS Holding

c/o M&C Corporate Services

PO Box 309GT

Ugland House

South Church Street

George Town, Grand Cayman

Cayman Islands

+202 2461 1103

with a copy to:

Brittain A. Rogers

Cravath, Swaine & Moore LLP

Worldwide Plaza

825 Eighth Avenue

New York, NY 10019

+1 212 474 1000

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

December 31, 2008

(Date of Event Which Requires Filing of This Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨           Rule 13d-1(b)

x           Rule 13d-1(c)

¨           Rule 13d-1(d)

* 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. 573284106

1	NAMES OF REPORTING PERSON: NNS Holding (and together with Mr. Nassef Sawiris and Mr. Philip Norman, the “Reporting Persons”) I.R.S. Identification Nos. of above persons (entities only):  NA
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a)    ¨ (b)    ¨
3	SEC USE ONLY:
4	PLACE OF INCORPORATION: Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER:   227,777
		6	SHARED VOTING POWER:
		7	SOLE DISPOSITIVE POWER:   227,777
		8	SHARED DISPOSITIVE POWER:
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:  227,777
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES: N/A
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9): 0.55%*  Legal title to the securities is held by NNS Holding.
12	TYPE OF REPORTING PERSON:  CO

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CUSIP No. 573284106

1	NAME OF REPORTING PERSONS: Mr. Nassef Sawiris
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a)    ¨ (b)    ¨
3	SEC USE ONLY:
4	CITIZENSHIP: Egypt
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER:
		6	SHARED VOTING POWER:  227,777
		7	SOLE DISPOSITIVE POWER:
		8	SHARED DISPOSITIVE POWER:  227,777
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:  227,777
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:  N/A
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9): 0.55%*  Legal title to the securities is held by NNS Holding. By virtue of their directorships of NNS Holding, Mr. Nassef Sawiris and Mr. Philip Norman have the shared power to vote and dispose of the securities held by NNS Holding.
12	TYPE OF REPORTING PERSON:  IN

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CUSIP No. 573284106

1	NAME OF REPORTING PERSONS: Mr. Philip Norman
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a)    ¨ (b)    ¨
3	SEC USE ONLY:
4	CITIZENSHIP: United Kingdom
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER:
		6	SHARED VOTING POWER:  227,777
		7	SOLE DISPOSITIVE POWER:
		8	SHARED DISPOSITIVE POWER:  227,777
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:  227,777
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES: N/A
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9): 0.55%*  Legal title to the securities is held by NNS Holding.  By virtue of their directorships of NNS Holding, Mr. Nassef Sawiris and Mr. Philip Norman have the shared power to vote and dispose of the securities held by NNS Holding.
12	TYPE OF REPORTING PERSON:  IN

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Item 1(a). Name of Issuer:

Martin Marietta Materials, Inc.

Item 1(b). Address of Issuer’s Principal Executive Offices:

The principal executive offices of Martin Marietta Materials, Inc. are located at 2710 Wycliff Road, Raleigh, North Carolina 27607.

Item 2(a). Name of Person Filing:

NNS Holding

Mr. Nassef Sawiris

Mr. Philip Norman

Item 2(b). Address of Principal Business Office or, if none, Residence:

The registered address of NNS Holding is c/o M&C Corporate Services, PO Box 309GT, Ugland House, South Church Street, George Town, Grand Cayman, Cayman Islands.

The principal business office of Mr. Nassef Sawiris is Orascom Construction Industries Company, Nile City South Tower, 2005A Corniche El Nil, Cairo, Egypt 11221.

The principal business office of Mr. Philip Norman is Ogier Group, Whiteley Chambers, Don Street, St Helier, Jersey, JE3 5HN, Channel Islands.

Item 2(c). Citizenship:

NNS Holding is an exempted company incorporated in the Cayman Islands with limited liability.

Mr. Sawiris is a citizen of Egypt.

Mr. Norman is a citizen of the United Kingdom.

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Item 2(d). Title of Class of Securities:

Common Stock, par value $0.01 per share

Item 2(e). CUSIP Number:

573284106

Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

(a) o Broker or dealer registered under section 15 of the Act;

(b) o Bank as defined in section 3(a)(6) of the Act;

(c) o Insurance company as defined in section 3(a)(19) of the Act;

(d) o Investment company registered under section 8 of the Investment Company Act of 1940;

(e) o An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f) o An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g) o A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G) (Note: See Item 7);

(h) o A savings association as defined in section 3(b) of the Federal Deposit Insurance Act;

(i) o A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940;

(j) o Group, in accordance with Rule 13d-1(b)(1)(ii)(H).

If this statement is filed pursuant to Rule 13d-1(c), check this box. x

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Item 4. Ownership

A.  NNS Holding

(a)	Amount beneficially owned:  227,777
(b)	Percent of class:  0.55%*  Legal title to the securities is held by NNS Holding.
(c)	Number of shares to which the person has:
		(i)  Sole Voting Power:  227,777
		(ii)  Shared Voting Power:
		(iii)  Sole Dispositive Power:  227,777
		(iv)  Shared Dispositive Power:

B.  Mr. Nassef Sawiris

(a)	Amount beneficially owned:  227,777
(b)	Percent of class:  0.55%*  Legal title to the securities is held by NNS Holding.  By virtue of their directorships of NNS Holding, Mr. Nassef Sawiris and Mr. Philip Norman have the shared power to vote and dispose of the securities held by NNS Holding.
(c)	Number of shares to which the person has:
		(i)  Sole Voting Power:
		(ii)  Shared Voting Power:  227,777
		(iii)  Sole Dispositive Power:
		(iv)  Shared Dispositive Power:  227,777

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C.  Mr. Philip Norman

(a)	Amount beneficially owned:  227,777
(b)	Percent of class:  0.55%  Legal title to the securities is held by NNS Holding.  By virtue of their directorships of NNS Holding, Mr. Nassef Sawiris and Mr. Philip Norman have the shared power to vote and dispose of the securities held by NNS Holding.
(c)	Number of shares to which the person has:
		(i)  Sole Voting Power:
		(ii)  Shared Voting Power:  227,777
		(iii)  Sole Dispositive Power:
		(iv)  Shared Dispositive Power:  227,777

* The percent of class is based on 41,425,359 shares of the Issuer’s outstanding common stock as of October 24, 2008, as reported by the Issuer on Form 10-Q filed with the Securities and Exchange Commission on October 29, 2008.

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Item 5. Ownership of Five Percent or Less of a Class.

x

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

NA

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

NA

Item 8. Identification and Classification of Members of the Group.

See Item 2 above and Exhibit 1.

Item 9. Notice of Dissolution of Group.

NA

Item 10. Certification.

Each of the Reporting Persons herby makes the following certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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SIGNATURE

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

Date: February 13, 2009
	Mr. Nassef Sawiris
Signature:	/s/ Nassef Sawiris
Date: February 13, 2009
	Mr. Philip Norman
Signature:	/s/ Philip Norman
Date: February 13, 2009
By: Title:	NNS Holding Mr. Nassef Sawiris Director
Signature:	/s/ Nassef Sawiris

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