Document 6BY8JeBLxrMxrv2R33Ga4mey3

PURCHASING & MATERIALS SERVICES DEPARTMENT 10TH FLOOR UNION CARBIDE. CORPORATION 270 PARK AVENUE, NEW YORK, N. Y. 10017 March 24, 1977 BROWN & ROOT, INC. P. 0. Box 3 Houston, Texas 77001 Attention: Mr. T. J. Peehsn Subject! Contract No. 511-729098-4 Amendment No. 12 Centlonent It Is proposed to amend the contract between Union Carbide Corporation and Brown & Root, Inc. dated as of the eleventh day of June, 1973 aa follows: 1. Effective January 1, 1977, substitute Schedule II, Part A and B "Engineering and Procurement Operations Job Classifications, Salary and Rate Ranges" dated December 26, 1976 for Schedule II, Part A, "Engineering Division Job Classification, Salary and Rata Ranges" dated July 28, 1974 and for Schedule II, Part B, "Procurement Department Job Classifications and Salary Ranges" dated April 4, 1975. 2. Effective January 1, 1977, substitute Schedule IV, Part A dated January, 1977 for Schedule IV, Part A dated July 28, 1974. 3. Effective January 1, 1977, in Schedule I, Page No. A-l, Part A, "Hone Office Costs" line 6 free top of page, change "21X of the oxiount to be ao paid, to cover Contractor*e payroll costs" to 23Z. -2- Aa herein mended, all of the terse end provisions of the subject contract aa heretofore mended shall rcaaln in full force and effect. If the foregoing asendaent is acceptable to you, please execute the original and tvo copies as indicated, returning the two copies for our files. Very truly yours, UNION CARBIDE CORPORATION gca Agreed to and Accepted* this. ?/ day of BROUN & SOOT, Iljffi. , . 1977 By | ___ Titlet Purchaslng Agent t