1 ================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 1997 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-9019 UNION TEXAS PETROLEUM HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 76-0040040 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 1330 POST OAK BOULEVARD, HOUSTON, TEXAS 77056 (Address of principal executive offices) (Zip Code) REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 623-6544 SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT: NAME OF EACH EXCHANGE TITLE OF EACH CLASS ON WHICH REGISTERED ------------------- --------------------- Common Stock, $.05 par value New York Stock Exchange Pacific Exchange, Inc. Common Stock Purchase Rights New York Stock Exchange Pacific Exchange, Inc. 8.25% Senior Notes due 1999 New York Stock Exchange SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT: NONE Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ] Indicate by check mark if disclosure of delinquent filings pursuant to Item 405 of Regulation S-K (sec.229.405 under the Securities Exchange Act of 1934) is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [X] As of February 20, 1998, there were 85,161,652 shares of Union Texas Petroleum Holdings, Inc. $.05 par value Common Stock issued and outstanding, 62,958,861 of which, having an aggregate market value of $1,231,632,718, were held by non-affiliates of the registrant. For purposes of the above statement only, all directors and executive officers of the registrant are assumed to be affiliates. DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement related to the registrant's 1998 Annual Stockholders Meeting are incorporated by reference into Part III of this report. ================================================================================ 2 SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this amendment to its report to be signed on its behalf by the undersigned, thereunto duly authorized. UNION TEXAS PETROLEUM HOLDINGS, INC. By: /s/ DONALD M. MCMULLAN ------------------------------------- Donald M. McMullan Vice President and Controller Date: March 5, 1998 Pursuant to the requirements of the Securities Exchange Act of 1934, this amendment to the report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. SIGNATURE TITLE DATE --------- ----- ---- * Chairman of the Board and Chief March 5, 1998 - ----------------------------------------------------- Executive Officer (Principal (John L. Whitmire) Executive Officer) * Vice President and Chief Financial March 5, 1998 - ----------------------------------------------------- Officer (Principal Financial (Larry D. Kalmbach) Officer) /s/ DONALD M. MCMULLAN Vice President and Controller March 5, 1998 - ----------------------------------------------------- (Principal Accounting Officer) (Donald M. McMullan) * Director March 5, 1998 - ----------------------------------------------------- (Robert L. Barry) * Director March 5, 1998 - ----------------------------------------------------- (Glenn A. Cox) * Director March 5, 1998 - ----------------------------------------------------- (Edward A. Gilhuly) * Director March 5, 1998 - ----------------------------------------------------- (James H. Greene, Jr.) * Director March 5, 1998 - ----------------------------------------------------- (Henry R. Kravis) 2 3 SIGNATURE TITLE DATE --------- ----- ---- * Director March 5, 1998 - ----------------------------------------------------- (Michael W. Michelson) * Director March 5, 1998 - ----------------------------------------------------- (Wylie B. Pieper) * Director March 5, 1998 - ----------------------------------------------------- (Stanley P. Porter) * Director March 5, 1998 - ----------------------------------------------------- (George R. Roberts) * Director March 5, 1998 - ----------------------------------------------------- (Richard R. Shinn) * Director March 5, 1998 - ----------------------------------------------------- (Sellers Stough) * /s/ DONALD M. MCMULLAN - ----------------------------------------------------- (Donald M. McMullan) Attorney-in-Fact 3