FIRST AMENDED AND RESTATED
                          CERTIFICATE OF INCORPORATION
                                       OF
                                  KRONOS, INC.
 
 
 
     The  undersigned  officer of Kronos,  Inc.,  a  corporation  organized  and
existing  under  and by virtue of the  General  Corporation  Law of the state of
Delaware (the "Corporation"), does hereby certify as follows:
 
          1. That the  Corporation  was originally  incorporated  under the name
     Kronos (USA), Inc. and its original  certificate of incorporation was filed
     with the Secretary of State of the state of Delaware on October 13, 1989.
 
          2. That the board of directors of the Corporation,  in accordance with
     sections 242, 245 and 141(f) of the General Corporation Law of the state of
     Delaware,  adopted resolutions by unanimous written consent as of September
     24, 2003 recommending that the existing certificate of incorporation of the
     Corporation,  be amended and  restated in its entirety to read as set forth
     in this First Amended and Restated  Certificate of  Incorporation  attached
     hereto as  Exhibit A, and  ordered  that such First  Amended  and  Restated
     Certificate of  Incorporation  be submitted to the sole  stockholder of the
     Corporation entitled to vote thereon for its approval by written consent in
     lieu of a special meeting of stockholders called for that purpose.
 
          3. That, in  accordance  with sections 242, 245 and 228 of the General
     Corporation Law of the state of Delaware, as of September 24, 2003 the sole
     holder of all of the outstanding shares of the Corporation's  common Stock,
     par value  $0.01 per share,  approved  and  adopted  the First  Amended and
     Restated  Certificate  of  Incorporation  set forth on  Exhibit A  attached
     hereto by  written  consent in lieu of a special  meeting  of  stockholders
     called for that purpose.
 
          4. That upon the filing and  effectiveness  of this First  Amended and
     Restated Certificate of Incorporation,  the certificate of incorporation of
     the Corporation will be amended and restated in its entirety to read as set
     forth on Exhibit A attached hereto.
 
     Kronos,  Inc. has caused this certificate to be signed by Robert D. Graham,
its vice president, as of September 24, 2003.
 
 
                                 KRONOS, INC.
 
 
 
 
                                 By:/s/Robert D. Graham
                                    -------------------------------------------
                                    Robert D. Graham, Vice President
 
KRONOS, INC. FIRST AMENDED AND RESTATED CERTIFICATE OF INCORPORATION
 
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                                                                      EXHIBIT A
 
                           FIRST AMENDED AND RESTATED
                          CERTIFICATE OF INCORPORATION
 
                                       OF
 
                             KRONOS WORLDWIDE, INC.
 
 
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                                   ARTICLE I.
                                      NAME
 
     The name of the corporation is KRONOS WORLDWIDE, INC. (the "Corporation").
 
                                   ARTICLE II.
                           REGISTERED OFFICE AND AGENT
 
     The address of the Corporation's registered office in the state of Delaware
is  Corporation  Service  Company,  2711  Centerville  Road,  Suite 400, city of
Wilmington,  county of New  Castle,  state of  Delaware  19808.  The name of the
Corporation's registered agent at such address is Corporation Service Company.
 
                                  ARTICLE III.
                                     PURPOSE
 
     The nature of the  business or purposes to be  conducted or promoted by the
Corporation  is to engage in any  lawful  business,  act or  activity  for which
corporations may be organized under the General  Corporation Law of the state of
Delaware as it may be amended from time to time (the "DGCL").
 
                                   ARTICLE IV.
                                AUTHORIZED STOCK
 
     Section 4.1. Authorized Stock. The total number of shares of stock that the
Corporation  shall have authority to issue is 60,100,000  shares,  consisting of
60,000,000  shares  of common  stock,  par value  $0.01 per share  (the  "Common
Stock"),  and 100,000 shares of preferred  stock, par value $0.01 per share (the
"Preferred Stock").
 
     Section 4.2. Common Stock.  The rights of the holders of common stock shall
be subject to the rights of holders of Preferred Stock and any other  applicable
provisions of this certificate of incorporation.
 
     Section  4.3.   Preferred  Stock.  The  board  of  directors  is  expressly
authorized,  at any time and from time to time,  to provide for the  issuance of
shares  of  Preferred  Stock  in one or  more  series  with  such  designations,
 
KRONOS, INC. FIRST AMENDED AND RESTATED CERTIFICATE OF INCORPORATION   PAGE A-1
 
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preferences and relative,  participating,  optional or other special rights, and
such qualifications,  limitations or restrictions thereof, as shall be expressed
in the resolution or resolutions  providing for the issuance  thereof adopted by
the board of directors  and as are not  inconsistent  with this  certificate  of
incorporation or any amendment hereto, and as may be permitted by the DGCL.
 
     Section 4.4. Record Holders. The Corporation shall be entitled to treat the
person in whose name any share of its stock is  registered  as the owner thereof
for all  purposes  and shall not be bound to  recognize  any  equitable or other
claim to, or interest in, such share on the part of any other person, whether or
not the Corporation shall have notice thereof,  except as expressly  provided by
applicable law.
 
     Section 4.5. Stock Split.  Effective as of 5:00 p.m.,  Eastern time, on the
date this First Amended and Restated  Certificate of Incorporation is filed with
the  Secretary  of State of the state of  Delaware,  the 1,000  shares of Common
Stock issued and outstanding  immediately prior to such time shall automatically
and without any action on the part of the holder thereof,  be  recapitalized  in
the form of a split into 48,943,049  shares of Common Stock (the "Stock Split").
Promptly  after such  effectiveness,  each record holder of a certificate  that,
immediately  prior to such  effectiveness,  represented  shares of Common  Stock
shall be entitled to receive in exchange for such certificate, upon surrender of
such certificate to the  Corporation,  a certificate for the number of shares of
Common  Stock to which the holder is  entitled  as a result of the Stock  Split.
Until surrendered and exchanged in accordance  herewith,  each certificate that,
immediately  prior  to  such  effectiveness,   represented  Common  Stock  shall
represent  the number of shares of Common  Stock to which the holder is entitled
as a result of the Stock Split.
 
                                   ARTICLE V.
                                    EXISTENCE
 
     The Corporation is to have perpetual existence.
 
                                   ARTICLE VI.
                                     BYLAWS
 
     In  furtherance  and not in limitation of the powers  conferred by statute,
the board of  directors is expressly  authorized  to adopt,  amend or repeal the
bylaws or adopt new bylaws.
 
                                  ARTICLE VII.
                            MEETINGS OF STOCKHOLDERS
                              BOOKS OF CORPORATION
                              ELECTION OF DIRECTORS
 
     Meetings  of  stockholders  may be held  within  or  without  the  state of
Delaware,  as the  bylaws  of the  Corporation  may  provide.  The  books of the
Corporation may be kept outside the state of Delaware at such place or places as
may be  designated  from time to time by the board of directors or in the bylaws
of the Corporation.  Election of directors need not by written ballot unless the
bylaws of the Corporation so provide.
 
KRONOS, INC. FIRST AMENDED AND RESTATED CERTIFICATE OF INCORPORATION   PAGE A-2
 
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                                  ARTICLE VIII.
                                 INDEMNIFICATION
 
     The Corporation  shall, to the fullest extent  permitted by law,  indemnify
any and all officers and directors of the  Corporation,  and may, to the fullest
extent  permitted  by law or to  such  lesser  extent  as is  determined  in the
discretion  of the board of  directors,  indemnify  all other  persons  from and
against all expenses,  liabilities or other matters and advance  expenses to all
persons whom it shall have the power to indemnify.
 
                                   ARTICLE IX.
                               DIRECTOR LIABILITY
 
     A  director  of the  Corporation  shall  not be  personally  liable  to the
Corporation  or its  stockholders  for monetary  damages for breach of fiduciary
duty as a director,  except for such  liability as is  expressly  not subject to
limitation under the Delaware General Corporation Law, as the same exists or may
hereafter be amended to further limit or eliminate such liability. Any repeal or
modification of this ARTICLE by the  stockholders  of the Corporation  shall not
adversely  affect  any right or  protection  of a  director  of the  Corporation
existing at the time of such repeal or modification.
 
                                   ARTICLE X.
                          CERTAIN BUSINESS COMBINATIONS
 
     The Corporation  expressly  elects not to be governed by Section 203 of the
General Corporation Law of the state of Delaware.
 
                                   ARTICLE XI.
                   SETTLEMENTS WITH CREDITORS OR STOCKHOLDERS
 
     Whenever a compromise or arrangement is proposed  between this  Corporation
and its creditors or any class of them and/or between this  Corporation  and its
stockholders  or any class of them, any court of equitable  jurisdiction  within
the  state  of  Delaware  may,  on the  application  in a  summary  way of  this
Corporation or of any creditor or stockholder  thereof or on the  application of
any receiver or receivers appointed for this Corporation under the provisions of
Section 291 of Title 8 of the Delaware Code or on the application of trustees in
dissolution or of any receiver or receivers appointed for this Corporation under
the provisions of Section 279 of Title 8 of the Delaware Code order a meeting of
the  creditors or class of  creditors,  and/or of the  stockholders  or class of
stockholders  of this  Corporation,  as the case may be, to be  summoned in such
manner  as  the  said  court  directs.  If a  majority  in  number  representing
three-fourths  in value of the  creditors or class of  creditors,  and/or of the
stockholders or class of stockholders of this  Corporation,  as the case may be,
agree  to any  compromise  or  arrangement  and to any  reorganization  of  this
Corporation  as a  consequence  of such  compromise  or  arrangement,  the  said
compromise or arrangement  and said  reorganization  shall, if sanctioned by the
court to which the said  application  has been made, be binding on all creditors
or class of creditors,  and/or on all the stockholders or class of stockholders,
of this Corporation, as the case may be, and also on this Corporation.
 
KRONOS, INC. FIRST AMENDED AND RESTATED CERTIFICATE OF INCORPORATION   PAGE A-3
 
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                                  ARTICLE XII.
                                    AMENDMENT
 
     The Corporation shall have the right,  subject to any express provisions or
restrictions  contained in this  certificate of  incorporation  or bylaws of the
Corporation,  from time to time, to amend this  certificate of  incorporation or
any  provision  thereof in any manner now or hereafter  provided by law, and all
rights and powers of any kind  conferred  upon a director or  stockholder of the
Corporation by this certificate of  incorporation  or any amendment  thereof are
conferred subject to such right.