rrd264413_298423.html

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, CLYyG7M2TzGpc5u3PZPnbB+fSZf1kEj3M8dQwQSXnEb3ffyblKiBEJxShAFHdhyk GKuGtoHW667kWAnolfer6Q== 0001181431-10-063142.txt : 20101221 0001181431-10-063142.hdr.sgml : 20101221 20101221193241 ACCESSION NUMBER: 0001181431-10-063142 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20101217 FILED AS OF DATE: 20101221 DATE AS OF CHANGE: 20101221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WILLIAMS JOHN A CENTRAL INDEX KEY: 0000940225 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15795 FILM NUMBER: 101266933 MAIL ADDRESS: STREET 1: SUITE 400 STREET 2: 3625 CUMBERLAND BLVD CITY: ATLANTA STATE: GA ZIP: 30339 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: RENTECH INC /CO/ CENTRAL INDEX KEY: 0000868725 STANDARD INDUSTRIAL CLASSIFICATION: AGRICULTURE CHEMICALS [2870] IRS NUMBER: 840957421 STATE OF INCORPORATION: CO FISCAL YEAR END: 0930 BUSINESS ADDRESS: STREET 1: 10877 WILSHIRE BLVD, #710 CITY: LOS ANGELES STATE: CA ZIP: 90024 BUSINESS PHONE: 310-571-9800 MAIL ADDRESS: STREET 1: 10877 WILSHIRE BLVD, #710 CITY: LOS ANGELES STATE: CA ZIP: 90024 4 1 rrd294974.xml FORM 4 X0303 4 2010-12-17 0 0000868725 RENTECH INC /CO/ RTK 0000940225 WILLIAMS JOHN A 3625 CUMBERLAND BOULEVARD SUITE 400 ATLANTA GA 30339 1 0 0 0 Common Stock 2509915 I By Northside Guaranty, LLC Common Stock 3159156 D Common Stock 2010-12-17 4 S 0 700000 1.23 D 508582 I By Nancy Ann Richardson Williams Children's Trust dated January 30, 1995 Common Stock 2010-12-20 4 S 0 508582 1.26 D 0 I By Nancy Ann Richardson Williams Children's Trust dated January 30, 1995 Option to Purchase 1.33 2009-11-13 2014-11-12 Common Stock 20000 20000 D Option to Purchase Common Stock 1.20 2016-05-10 Common Stock 26500 26500 D The sales reported on this form were transacted by a trust for the benefit of the reporting person's children that is managed by a third-party trustee who has sole investment decision making authority. The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for the purposes of Section 16 or for any other purposes. The option vests on May 11, 2011, subject to the reporting person's continued service on the Company's board of directors, provided that the option shall be fully vested as of the date of the Company's 2011 Annual Meeting of Shareholders. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.21 to $1.26, inclusive. The reporting person undertakes to provide the issuer, a security holder or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.22 to $1.29, inclusive. The reporting person undertakes to provide the issuer, a security holder or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Colin M. Morris, by power of attorney 2010-12-21 EX-24.1 2 rrd264413_298423.htm POWER OF ATTORNEY rrd264413_298423.html

SECTION 16
CONFIRMING STATEMENT
       This Statement confirms that the undersigned, John A. Williams, has authorized and designated each of
Colin M. Morris and Nicole Sykes (for so long as Mr. Morris and Ms. Sykes continue to serve as legal counsel to
Rentech, Inc.) to execute and file on behalf of the undersigned, Forms 3, 4, and 5 (including any amendments
thereto) that the undersigned may be required to file with the United States Securities and Exchange Commission in
connection with the undersigned's ownership, acquisition, or disposition of securities of Rentech, Inc.  The authority
under this Statement shall remain in full force and effect until the undersigned is no longer required to file Forms 3,
4, and 5 with respect to the undersigned's ownership of or transactions in securities of Rentech, Inc., unless earlier
revoked by the undersigned in writing.  The undersigned acknowledges that Colin M. Morris, Nicole Sykes and
Rentech, Inc. are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

       Dated:  11/13/2009
       /s/ John A. Williams
       Print Name:  John A. Williams

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