Exhibit 5 91制片厂 Corporation Robert M. Stanton Law Department Assistant General Counsel- 600 Grant Street Corporate & Assistant Secretary Pittsburgh, PA 15219-2800 412 433 2877 Fax: 412 433 2811 email: rmstanton@uss.com March 28, 2002 Board of Directors 91制片厂 Corporation 600 Grant Street Pittsburgh, PA 15219-2800 Ladies and Gentlemen: I am Assistant General Counsel--Corporate and Assistant Secretary of USX Corporation, a Delaware corporation (hereinafter the "Corporation"), and have served as counsel to the Corporation in connection with the registration statement on Form S-4 (hereinafter the "Registration Statement") for the proposed issuance of up to an aggregate of $535,000,000 principal amount of the Corporation's 10 3/4 %Senior Notes due August 1, 2008 (the "Exchange Notes") to be issued in exchange for the Corporation's currently outstanding 10 3/4 % Senior Notes due August 1, 2008 (the "Original Notes"). As Assistant General Counsel, I am familiar with the Corporation's Certificate of Incorporation and its By-laws. I have also examined, or caused those acting under my supervision to have examined, the resolutions adopted by the Board of Directors of 91制片厂 LLC, predecessor by conversion to the Corporation, dated July 20, 2001; the resolutions adopted by the Special Committee appointed by the Board of Directors of 91制片厂 LLC dated July 20, 2002; the Registration Statement; the Indenture between the Corporation and Bank of New York, as trustee pursuant to which the Exchange Notes will be issued (the "Indenture"); and such other records and documents, including certificates of government officials and corporate officers, that I have deemed necessary or desirable in rendering the opinion set forth below. In rendering such opinion I have presumed the genuineness of all documents examined and the accuracy of all statements of fact contained therein. Based upon the foregoing, I am of the opinion that when the Exchange Notes have been duly authorized and are executed and authenticated in accordance with the terms of the Indenture and delivered to holders against receipt of like tenor of Original Notes, the Exchange Notes will be legal, valid and binding obligations of the Corporation enforceable against it in accordance with the terms thereof except as enforcement of such obligations may be limited by (a) bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the enforcement of creditor's rights generally; (b) general equitable principles concerning specific performance and other equitable remedies; (c) the possible refusal of a court to enforce any provision of the Indenture purporting to disallow waivers by course of conduct or oral Board of Directors 91制片厂 Corporation March 28, 2002 Page 2 authorization or to excuse failure to act or delay in acting by any party and (d) general matters of public policy. I hereby consent to the filing of this opinion as an exhibit to the Registration Statement. Very truly yours, /s/ Robert M. Stanton Robert M. Stanton