CERTIFICATE OF OWNERSHIP AND MERGER OF VWK ACQUISITION CORP. WITH AND INTO UNION TEXAS PETROLEUM HOLDINGS, INC. Pursuant to Section 253 of the Delaware General Corporation Law (the "DGCL"), VWK Acquisition Corp., a Delaware corporation ("VWK Acquisition"), hereby certifies the following information relating to the merger (the "Merger") of VWK Acquisition with and into Union Texas Petroleum Holdings, Inc., a Delaware corporation ("UTP"): FIRST: The name and state of incorporation of ----- each of the constituent corporations to the Merger are as follows: Name State of Incorporation ---- ---------------------- VWK Acquisition Corporation Delaware Union Texas Petroleum Holdings, Inc. Delaware SECOND: VWK Acquisition owns at least 90% of the ------ outstanding shares of both the Common Stock, par value $0.05 per share, and the 7.14% Series A Cumulative Preferred Stock, par value $.01 per share, of UTP, and UTP has no other class of capital stock outstanding. THIRD: The Board of Directors of VWK Acquisition ----- has determined to merge VWK Acquisition into UTP under Section 253 of the DGCL and in connection therewith adopted the following resolutions on June 25, 1998: - 1 - "WHEREAS, the Corporation owns at least 90% of the outstanding shares of both the Common Stock, par value $0.05 per share ("UTP Common Stock"), and the 7.14% Series A Cumulative Preferred Stock, par value $.01 per share ("UTP Preferred Stock"), of Union Texas Petroleum Holdings, Inc., a Delaware corporation ("UTP"), and desires to merge itself into such subsidiary; NOW, THEREFORE, BE IT RESOLVED, That the Corporation be merged into UTP, pursuant to and in accordance with Section 253 of the Delaware General Corporation Law (the "Merger") and the proper officers of the Corporation be, and each of them hereby is, authorized in the name and on behalf of the Corporation to take any and all actions they deem necessary or advisable in connection therewith; RESOLVED, That UTP shall be the surviving corporation in the Merger (the "Surviving Corporation"); RESOLVED, That, upon the Merger becoming effective: (a) each issued and outstanding share of common stock of the Corporation shall be converted into and become one fully paid and nonassessable share of common stock, par value $0.01 per share, of the Surviving Corporation, and certificates representing such shares shall be issued to the sole stockholder of the Corporation upon surrender by such sole stockholder of the certificate or certificates that immediately prior to the Merger represented the issued and outstanding shares of common stock of the Corporation; (b) each share of UTP Common Stock that is owned by UTP, Atlantic Richfield Company ("ARCO"), the Corporation or any wholly owned subsidiary of UTP, ARCO or the Corporation shall no longer be outstanding and shall automatically be canceled and retired and shall cease to exist, and no cash or other consideration shall be delivered in exchange therefor; (c) each share of UTP Common Stock (other than shares of UTP Common Stock held by a person who complies with all the provisions of Delaware law concerning the right of holders of UTP Common Stock to demand appraisal of their shares of UTP Common Stock (a "Dissenting Stockholder") and other than shares to be canceled in accordance with clause (b) above) issued and outstanding shall be converted into the right to receive $29.00 per share in cash without interest (the "Merger Consideration"), and all such shares shall no longer be outstanding and shall automatically be canceled and retired and shall cease to exist, and each holder of a certificate that immediately prior to the Merger represented any such shares - 2 - shall cease to have any rights with respect thereto, except the right to receive the Merger Consideration, without interest, upon the surrender of such certificate. If, after the Merger becomes effective, any Dissenting Stockholder withdraws his demand for appraisal or fails to perfect or otherwise loses his right of appraisal, in any case pursuant to Delaware law, his shares of UTP Common Stock shall be deemed to have been converted as of the time the Merger became effective into the right to receive the Merger Consideration and such shares shall no longer be outstanding and shall automatically be canceled and retired and shall cease to exist, and such Dissenting Stockholder shall cease to have any rights with respect thereto, except the right to receive the Merger Consideration, without interest, upon the surrender of such certificate; and (d) each share of UTP Preferred Stock shall remain outstanding and be unaffected by the Merger, except for those shares of UTP Preferred Stock owned by holders who properly exercise dissenter's rights under Delaware law and except for those shares of UTP preferred Stock held by the Corporation, which shall become treasury shares. RESOLVED, That, as contemplated by the Agreement and Plan of Merger dated as of May 4, 1998 among ARCO, the Corporation and UTP (the "Merger Agreement"), upon the effectiveness of the Merger, (i) the by-laws of the Corporation shall become the by-laws of the Surviving Corporation, and (ii) the directors of the Corporation shall become the directors of the Surviving Corporation; and RESOLVED, That, as contemplated by the Merger Agreement, the Restated Certificate of Incorporation of UTP, as in effect immediately prior to the effective time of the Merger, shall be amended at the effective time of the Merger so that the first paragraph of Article Fourth of such Restated Certificate of Incorporation reads in its entirety as follows (and as so amended, such Restated Certificate of Incorporation shall be the Certificate of Incorporation of the Surviving Corporation until thereafter changed or amended as provided therein or by applicable law): "The total number of shares of all classes of stock which the corporation shall have authority to issue is (i) 1,000 shares of Common Stock, par value $0.01 per share and (ii) 1,750,000 shares of Preferred Stock, par value $0.01 per share, all of which have been designated as 7.14% Series A Cumulative Preferred Stock, par value $.01 per share." RESOLVED, That the proper officers of the Corporation be, and each of them hereby is, authorized, in the name and on behalf of the Corporation, to execute and file a certificate of ownership and merger with the Secretary of State of the State of Delaware in such form as the - 3 - officer or officers executing the same shall approve, the signature of such officer or officers thereon to be conclusive evidence of the approval of such form; and RESOLVED, That any and all actions heretofore or hereafter taken by the proper officers of the Corporation relating to and within the terms of this resolution are hereby ratified and confirmed as the acts and deeds of the Corporation." FOURTH: The Merger has been approved by ARCO, the ------ sole stockholder of VWK Acquisition, by written consent without a meeting in accordance with Section 228 of the DGCL. FIFTH: UTP shall be the surviving corporation of ----- the merger (the "Surviving Corporation"), and the name of the Surviving Corporation shall be Union Texas Petroleum Holdings, Inc. IN WITNESS WHEREOF, VWK Acquisition has caused this Certificate of Ownership and Merger to be executed on this 26th day of June, 1998. VWK ACQUISITION CORP. /s/ TERRY G. DALLAS By:___________________________ Terry G. Dallas President - 4 -