================================================================================ Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number. /------------------------------/ / OMB APPROVAL / /------------------------------/ / OMB Number: 3235-0362 / / Expires: October 31, 2001 / / Estimated average burden / / hours per response...... 1.0 / /------------------------------/ +--------+ UNITED STATES | FORM 5 | SECURITIES AND EXCHANGE COMMISSION +--------+ Washington, D.C. 20549 [_] Check box if no longer subject ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP to Section 16. Form 4 or Form 5 Filed pursuant to Section 16(a) of the Securities obligations may Exchange Act of 1934, Section 17(a) of the continue. See Public Utility Holding Company Act of 1935 or Instruction 1(b). Section 30(f) of the Investment Company Act of 1940 [_] Form 3 Holdings Reported [_] Form 4 Transactions Reported -------------------------------------------------------------------------------- 1. Name and Address of Reporting Person* Martineau Eugene P. ---------------------------------------------------------------------------- (Last) (First) (Middle) 1300 Post Oak Blvd, Suite 1220 ---------------------------------------------------------------------------- (Street) Houston TX 77056 ---------------------------------------------------------------------------- (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol U.S. Concrete, Inc. (RMIX) ----------------------------------- 3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary) -------------- 4. Statement for Month/Year January 2001 --------------------------------------------------- 5. If Amendment, Date of Original (Month/Year) -------------------------------- 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [X] Director [X] Officer [ ] 10% Owner [ ] Other (give title below) (specify below) President & CEO ----------------------------- 7. Individual or Joint/Group Reporting (check applicable line) [X] Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person ------------------------------------------------------------------------------- Table I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

* If the form is filed by more than one reporting person, see instruction 4(b)(v). -------------------------------------------------------------------------------- Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

Explanation of Responses: /s/ Eugene P. Martineau 2/9/2001 -------------------------------- ----------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

US CONCRETE INC 5