Lyondell Reports Fourth-Quarter and Full-Year 2006 Results
HOUSTON
(NYSE:LYO)

NOTICE: In conjunction with Feb. 26, 2007, announcement of a proposed sale of the inorganic chemicals business, Lyondell has determined that the carrying value of goodwill associated with that segment is impaired as of Dec. 31, 2006. Accordingly, Lyondell's net income for the fourth quarter 2006 has been reduced by $549 million to be a loss of $321 million, or $1.29 per share on a fully diluted basis. After this reduction, Lyondell's net income for the full year 2006 is $186 million, or 72 cents per share. For more information, please refer to our annual consolidated financial statements and Lyondell’s 2006 Form 10-K. The following news release issued on Jan. 25, 2007, is provided only for the discussion of business conditions at the time.

Highlights
- Full Year
* Net income - $735 million or $2.83 per share
- $204 million year-to-year improvement
* Acquisition of partner's share of Houston refinery
* Debt repayment of $917 million brings total to more than $2.5 billion
since September 2004
- Fourth Quarter 2006
* Net income - $228 million or 87 cents per share
* Record refining results

HOUSTON, Jan. 25 /PRNewswire-FirstCall/ -- Lyondell Chemical Company (NYSE: LYO) today announced net income for the fourth quarter 2006 of $228 million, or 87 cents per share on a fully diluted basis. For the full year 2006, Lyondell had net income of $735 million, or $2.83 per share. Comparisons with prior quarter and 2005 are available in the following table.

  Table 1 - Lyondell Earnings Summary (a)

  Millions of dollars,
   except per share amounts      4Q       4Q       3Q   Full Year  Full Year
                                2006     2005     2006     2006      2005
  Sales and other operating
   revenues                   $6,245   $5,000   $6,154   $22,228   $18,606
  Net income                     228      141       57       735       531
  Basic earnings per share      0.92     0.57     0.23      2.97      2.16
  Diluted earnings per
   share (b)                    0.87     0.54     0.22      2.83      2.04
  Basic weighted average
   shares outstanding
   (millions)                  248.4    246.7    247.7     247.6     245.9
  Diluted weighted average
   shares outstanding
   (millions) (b)              261.4    260.3    260.5     260.3     259.9

   (a) Results include the operations of Houston Refining LP ("Houston
       Refining") prospectively from August 16, 2006.  Prior to August 16,
       2006, Lyondell's 58.75 percent interest in Houston Refining was
       accounted for as an equity investment.
   (b) Includes the dilutive effect of the convertible debentures, stock
       options and warrants.

In 2006, business conditions and results continued to be strong in the ethylene, propylene oxide and refining segments. In addition, 2006 results benefited from Lyondell's full ownership of the Houston refinery and the new market-based crude supply contract that began in August.

Fourth-quarter financial results also benefited from a very strong performance in refining and solid results in the ethylene segment. Propylene oxide segment results declined primarily due to seasonally lower fuel product (MTBE/ETBE) margins and costs related to the U.S. MTBE conversion. Inorganic chemicals results were negatively impacted by production outages in the United States and Europe and slow sales related to reduced U.S. housing activity.

  Additionally, results reflect the following:



  Table 2 - Charges (Benefits) Included in Lyondell's Results

  Millions of dollars            4Q       4Q       3Q   Full Year  Full Year
                                2006     2005     2006     2006      2005
  Pretax charges (benefits):
    Debt retirement charges      $19      $17      $21      $40       $45
    Mutual insurance consortia
     losses, net (a)              (4)      12       10       11        56
    Refining segment contract
     termination cost (b)        ---      ---      176      176       ---
    Lake Charles ethylene
     facility impairment (c)     ---      ---      106      106       ---
    Lake Charles TDI plant
     impairment (d)              ---      ---      ---      ---       195
    Houston Refining LP -
     related settlement (e)      ---      ---      ---      (70)      ---
    Hurricane (estimated
     lost production)            ---       75      ---      ---    150 - 175
  After-tax effect of net
   (credits) charges (f)         (16)      68      203      171    290 - 306
  Effect on diluted earnings
   per share                   (0.06)    0.26     0.78     0.66  1.11 - 1.18

   (a) Includes a fourth quarter 2006 benefit recognized by Lyondell of $14
       million representing insurance proceeds in partial resolution of
       Houston Refining's outstanding claims.
   (b) Represents Lyondell's 58.75 percent share of the $300 million cost to
       terminate Houston Refining's previous crude supply agreement.
   (c) Represents impairment of the net book value of the Lake Charles, La.,
       ethylene facility, which is part of the Ethylene, Co-Products &
       Derivatives segment.
   (d) Represents impairment of the net book value of the Lake Charles, La.,
       toluene diisocyanate (TDI) facility, which is part of the PO &
       Related Products segment.
   (e) Represents the impact of the resolution of various matters among
       Houston Refining, its owners and their affiliates.
   (f) The estimated annual effective income tax rate was 39 percent for the
       first nine months of 2006. For the full year 2006, the average
       effective income tax rate was reduced to 36 percent, due primarily to
       a reduction in the statutory income tax rate in the Netherlands,
       reducing the provision for income taxes for the first
       nine months of 2006 by $26 million, resulting in an income tax
       benefit in the fourth quarter 2006.

"Lyondell had another good year in 2006, as the chemical cycle stayed strong and our key chemical businesses -- ethylene and propylene oxide -- continued to perform well. The year was highlighted by our acquisition of our partner's share of the Houston refinery and the implementation of the new market-based crude supply contract. The value of this transaction is evident in our fourth-quarter results," said Dan F. Smith, president and CEO of Lyondell Chemical Company. "We believe that continued strength in the chemical and refining cycles and our full ownership of the refinery position us well in 2007 and beyond."

OUTLOOK

Thus far in 2007, underlying business fundamentals continue to be sound. In the ethylene chain, prices that were under pressure during the fourth quarter have generally stabilized. In addition, raw material costs have declined and producer inventories have been reduced, all resulting in strengthening sales volumes and margins. Propylene oxide and PO derivatives remain quite strong, while fuel product margins are at typically low seasonal levels. Refining margins have followed a typical winter decline, and first- quarter results will be negatively impacted by planned maintenance. The inorganic chemicals segment should benefit from the correction of fourth- quarter operational issues.

"Looking ahead, fundamental supply and demand conditions across our product lines should be relatively unchanged from 2006, setting the stage for a third consecutive year of strong earnings and cash flow. We stand to benefit from a full year of refinery ownership, and I expect that decisions regarding the inorganics business will be made in the coming weeks," said Smith. "Our financial strategy has proven to be very successful. We have repaid more than $2.5 billion of debt over the past two-plus years, and I see no reason why we cannot continue at this pace or more rapidly during 2007."

LYONDELL BUSINESS RESULTS DISCUSSION BY REPORTING SEGMENT

Lyondell operates in four segments: 1) Ethylene, co-products and derivatives; 2) PO and related products; 3) Inorganic chemicals; and 4) Refining.

Ethylene, Co-products and Derivatives Segment - The primary products of this segment are ethylene, ethylene co-products (propylene, butadiene and benzene), and derivatives of ethylene (polyethylene, ethylene oxygenates and vinyl acetate monomer or VAM).

  Table 3 - Ethylene, Co-Products & Derivatives Financial Overview (a)

  Millions of dollars          4Q       4Q       3Q    Full Year  Full Year
                              2006     2005     2006      2006      2005
  Sales and other operating
   revenues                  $3,091   $3,380   $3,603   $13,247   $12,191
  Operating income (b)          214      337      173       867       950
  EBITDA (b) (c)                313      438      372     1,361     1,334

   (a) See Table 7 for additional segment information.
   (b) Operating income for the third quarter and full year 2006 included an
       impairment charge of $106 million, which is excluded from EBITDA.
   (c) See Table 10 for a reconciliation of segment EBITDA to net income of
       Lyondell.

4Q06 v. 3Q06 - Ethylene and ethylene derivative product sales volumes decreased by approximately 25 million pounds (approximately 1 percent) versus the third quarter 2006. Compared with the third quarter, our quarterly average prices for ethylene and polyethylene decreased by approximately 9 cents per pound and the ethylene glycol price decreased by approximately 1 cent per pound. The company's average cost-of-ethylene-production metric (COE) declined by approximately 4 cents per pound versus the third quarter. Acetyls results improved by approximately $15 million primarily due to increased margins.

4Q06 v. 4Q05 - Ethylene and ethylene derivative product sales volumes were comparable to the fourth quarter 2005. The quarterly average prices for ethylene and polyethylene decreased by approximately 15 cents per pound and the ethylene glycol price decreased by approximately 3 cents per pound. The company's average COE metric decreased by approximately 6 cents per pound. Acetyls results improved by approximately $35 million primarily due to increased margins as raw material costs declined while methanol sales prices increased.

2006 v. 2005 - Ethylene and ethylene derivative product sales volumes increased by approximately 60 million pounds (0.5 percent). The average price for ethylene and polyethylene increased by approximately 2 cents and 3 cents per pound, respectively, while the price of ethylene glycol declined by approximately 1 cent per pound. The company's average COE metric increased by approximately 2 cents per pound. Acetyls results improved by approximately $20 million due to increased margins.

PO and Related Products Segment - The principal products of the PO and related products segment include PO, PO derivatives (propylene glycol, propylene glycol ethers, butanediol and butanediol derivatives), styrene, fuel products (methyl tertiary butyl ether [MTBE] and ethyl tertiary butyl ether [ETBE]), and toluene diisocyanate (TDI).

  Table 4 - PO & Related Products Financial Overview (a)

  Millions of dollars          4Q        4Q        3Q    Full Year Full Year
                              2006      2005      2006      2006      2005
  Sales and other operating
   revenues                  $1,712    $1,645    $1,900    $7,019    $6,568
  Operating income (b)           45        35       133       403       316
  EBITDA (b) (c)                105       104       195       645       757

   (a) See Table 7 for additional segment information.
   (b) Operating income for the third quarter and full year 2005 included an
       impairment charge of $195 million, which is excluded from EBITDA.
   (c) See Table 10 for a reconciliation of segment EBITDA to net income of
       Lyondell.

4Q06 v. 3Q06 - Overall segment results declined by $90 million versus the third quarter 2006. Fuel product results declined by approximately $70 million due to a combination of seasonally lower margins, which declined by approximately 35 cents per gallon, and the planned and unplanned downtime of the U.S. MTBE unit (approximately $35 million). PO and PO derivative results declined by approximately $20 million primarily due to planned maintenance and lower volumes. TDI results improved by approximately $15 million primarily due to increased margins. Styrene results were comparable.

4Q06 v. 4Q05 - Overall segment results were relatively unchanged versus the fourth quarter 2005. TDI results increased by approximately $55 million due to lower ongoing operating costs resulting from last year's shutdown of the Lake Charles TDI facility as well as increased prices. Fuel product results declined by approximately $20 million primarily due to costs related to modifications to the U.S. MTBE unit. PO and PO derivative results were comparable. Styrene results declined by approximately $20 million.

2006 v. 2005 - Overall segment results declined by $112 million versus 2005. The decline was primarily attributed to the unusual strength of MTBE margins during the third quarter of 2005. Fuel product results during 2006 declined by $200 million versus 2005. Although still poor, TDI results improved by approximately $135 million (excluding 2005 impairment charges) due to lower operating costs related to the 2005 shutdown of the Lake Charles TDI plant as well as increased prices. PO and PO derivative results were relatively unchanged versus 2005 while lower styrene margins resulted in a $40 million decline in results.

Inorganic Chemicals Segment - The principal product of the inorganic chemicals segment is titanium dioxide (TiO2).

  Table 5 - Inorganic Chemicals Financial Overview (a)

  Millions of dollars          4Q        4Q        3Q    Full Year Full Year
                              2006      2005      2006      2006      2005
  Sales and other operating
   revenues                   $312      $355      $341    $1,354    $1,360
  Operating income (loss)      (35)       (3)       (5)      (15)       18
  EBITDA (b)                   (10)       26        25        92       128

   (a) See Table 7 for additional segment information.
   (b) See Table 10 for a reconciliation of segment EBITDA to net income of
       Lyondell.

4Q06 v. 3Q06 - Sales volumes declined by approximately 13,000 metric tons versus the third quarter due to operating issues at two facilities and lower U.S. demand reflecting normal seasonal trends and lower housing demand. Average sales prices were unchanged, as European and Asian price increases were offset by declines in the United States. Increased costs primarily related to the operating issues reduced quarterly results by approximately $20 million.

4Q06 v. 4Q05 - Sales volumes declined by approximately 26,000 metric tons versus the fourth quarter of 2005 due to operating issues and lower U.S. demand, reducing results by approximately $20 million. Two primary factors contributed to a decline in U.S. sales volumes: unusually strong demand in 2005 following hurricane damage to a competitor's facility and lower U.S. housing activity in 2006. Average sales prices increased by approximately $45 per ton as European and Asian prices increased while North and South American prices declined.

2006 v. 2005 - Sales volumes declined by 24,000 metric tons versus 2005 primarily due to the fourth-quarter issues described above. Sales prices increased by approximately $34 per ton; however, this was only sufficient to offset increased raw material, distribution and utility costs.

Refining Segment - Lyondell owned a 58.75 percent interest in Houston Refining LP (formerly known as Lyondell-Citgo Refining LP) prior to Aug. 16, 2006, at which time Lyondell purchased the remaining 41.25 percent interest from CITGO Petroleum Corporation. Prior to Aug. 16, Lyondell's interest was accounted for by the equity method. As a result of the acquisition, Houston Refining's operations are consolidated from Aug. 16. The following review is on a 100-percent basis.

  Table 6 - Refining Financial Overview - 100% Basis (a)

  Millions of dollars          4Q        4Q        3Q    Full Year Full Year
                              2006      2005      2006      2006      2005
  Sales and other operating
   revenues                 $2,065    $1,440    $2,288    $8,858    $6,741
  Operating income
   (loss) (b)                  302       (23)      (98)      529       232
  EBITDA (b) (c)               357         7       (54)      690       348

   (a) The Refining segment information presented above represents the
       historical operating results of Houston Refining on a 100 percent
       basis, and reflects purchase accounting adjustments from August 16,
       2006.  See Table 7 for additional segment information.
   (b) Operating income and EBITDA for the full year 2006 include a third
       quarter 2006 charge of $300 million for the termination of the
       previous crude supply agreement.
   (c) See Table 10 for a reconciliation of segment EBITDA to net income of
       Houston Refining.

4Q06 v. 3Q06 - Compared with the third quarter, the refinery benefited from operating a full quarter under the new contract, the timing of purchases and sales, and a favorable mix of Venezuelan crude. Additionally, refining results benefited by approximately $25 million due to strong operations and premium product margins as the refinery processed an additional 5,000 barrels per day of crude versus the third quarter. A partial resolution of insurance claims benefited the fourth quarter by $14 million.

4Q06 v. 4Q05 - Results improved substantially as compared to the fourth quarter of 2005 when an operating upset severely impacted operations.

2006 v. 2005 - Crude processing rates during 2006 averaged 269,000 barrels per day versus 217,000 barrels per day in 2005. The absence of planned and unplanned downtime as experienced in 2005, improved 2006 margins, and the impact of operating under the new market-based contract for five months of 2006 each contributed to record results in the refining segment.

Cash Distributions and Debt Reduction

Equistar Chemicals, LP to Lyondell Chemical Company and Millennium Chemicals Inc. - Lyondell Chemical Company received $141 million of distributions from Equistar during the fourth quarter 2006 and $405 million for the full year 2006. Millennium received $59 million from Equistar during the fourth quarter 2006 and $170 million for the full year 2006.

Houston Refining LP to Lyondell Chemical Company - Prior to Lyondell's August acquisition of the remaining share of Houston Refining, net distributions to Lyondell totaled $126 million. All results are consolidated after the acquisition.

Millennium to Lyondell Chemical Company - There were no dividends paid by Millennium to Lyondell Chemical Company during 2006.

Debt Reduction - During the fourth quarter, Lyondell repaid $465 million of debt, including $435 million at the Lyondell parent company and $30 million at Millennium. For the full year 2006, Lyondell repaid $917 million of debt, including $486 million at the Lyondell parent company, $150 million at Equistar and $281 million at Millennium.

Receivable Facilities Utilization - As of Dec. 31, 2006, Lyondell's receivable facility was utilized by $100 million and Equistar's receivable facility was unutilized.

CONFERENCE CALL

Lyondell will host a conference call today, Jan. 25, 2007, at 11:30 a.m. Eastern Time (ET). Participating on the call will be: Dan F. Smith, President and CEO; Morris Gelb, Executive Vice President and COO; T. Kevin DeNicola, Senior Vice President and CFO; and Doug Pike, Vice President of Investor Relations. The dial-in numbers are 888-391-2385 (U.S. - toll free) and 517-645-6239 (international). The pass code for each is Lyondell. The call will be broadcast live on the Investor Relations page of the company's web site, http://www.lyondell.com/earnings .

A replay of the call will be available from 1:30 p.m. ET Jan. 25 to 6 p.m. ET on Feb. 2. The dial-in numbers are 866-465-1303 (U.S.) and 203-369-1420 (international). The pass code for each is 5549. Web replay will be available at 2:30 p.m. ET Jan. 25 on the Investor Relations page of the company's web site, http://www.lyondell.com/earnings .

Reconciliations of non-GAAP financial measures to GAAP financial measures, together with any other applicable disclosures, including this earnings release, will be available at 11:30 a.m. ET Jan. 25 at http://www.lyondell.com/earnings .

ABOUT LYONDELL

Lyondell Chemical Company, headquartered in Houston, Texas, is North America's third-largest independent, publicly traded chemical company. Lyondell is a major global manufacturer of basic chemicals and derivatives including ethylene, propylene, titanium dioxide, styrene, polyethylene, propylene oxide and acetyls. It also is a refiner of heavy, high-sulfur crude oil and a significant producer of gasoline-blending components. Lyondell is a global company operating on five continents and employs approximately 11,000 people worldwide.

FORWARD-LOOKING STATEMENTS

The statements in this release and the related teleconference relating to matters that are not historical facts are forward-looking statements. These forward-looking statements are based upon the current beliefs and expectations of management, and are subject to significant risks and uncertainties. Actual results could differ materially based on factors including, but not limited to, availability, cost and price volatility of raw materials and utilities; supply/demand balances; industry production capacities and operating rates; uncertainties associated with the U.S. and worldwide economies; legal, tax and environmental proceedings; cyclical nature of the chemical and refining industries; operating interruptions; current and potential governmental regulatory actions; terrorist acts; international political unrest; competitive products and pricing; Lyondell's ability to implement its business strategies, including whether the expected benefits of Lyondell's acquisition of Houston Refining are achieved to the extent and in the time period anticipated; risks of doing business outside of the U.S.; access to capital markets; technological developments; and other risk factors. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in the Lyondell, Equistar and Millennium Annual Reports on Form 10-K for the year ended December 31, 2005, Quarterly Reports on Form 10-Q for the quarter ended September 30, 2006 and Annual Reports on Form 10-K for the year ended December 31, 2006 which will be filed with the SEC by March 1, 2007.

  Table 7 - Selected Unaudited Segment Financial Information (a)

                                       For the three         For the twelve
                                        months ended          months ended
                                  December 31, September 30,  December 31,
     (Millions of dollars)       2006     2005     2006      2006      2005
    Sales and other operating
     revenues: (b)
    Ethylene, Co-Products &
     Derivatives               $3,091   $3,380   $3,603   $13,247   $12,191
    PO & Related Products       1,712    1,645    1,900     7,019     6,568
    Inorganic Chemicals           312      355      341     1,354     1,360
    Refining                    2,065    1,440    2,288     8,858     6,741


    Operating income (loss):
    Ethylene, Co-Products &
     Derivatives (c)             $214     $337     $173      $867      $950
    PO & Related Products (d)      45       35      133       403       316
    Inorganic Chemicals           (35)      (3)      (5)      (15)       18
    Refining (e)                  302      (23)     (98)      529       232


    Depreciation and amortization:
    Ethylene, Co-Products &
     Derivatives                  $98     $102      $94      $386      $388
    PO & Related Products          62       58       57       234       235
    Inorganic Chemicals            22       22       24        95        98
    Refining                       55       30       44       161       116


    EBITDA: (f)
    Ethylene, Co-Products &
     Derivatives                 $313     $438     $372    $1,361    $1,334
    PO & Related Products         105      104      195       645       757
    Inorganic Chemicals           (10)      26       25        92       128
    Refining (e)                  357        7      (54)      690       348


    Capital expenditures:
    Ethylene, Co-Products &
     Derivatives                  $65      $52      $44      $175      $155
    PO & Related Products          14        8       21        68        36
    Inorganic Chemicals            12       21       19        54        53
    Refining                       69       55       61       238       176



   (a) See Table 9 for a reconciliation of segment information for the three
       months and twelve months ended December 31, 2006 and 2005 and for the
       three months ended September 30, 2006 to consolidated Lyondell
       financial  information.  The  Refining  information  presented  above
       represents operating results of Houston Refining on a 100 percent
       basis. Lyondell acquired the remaining 41.25 percent of Houston
       Refining on August 16, 2006 (the "August 2006 Acquisition"). From
       August 16, 2006, depreciation and amortization, as well as operating
       income, reflect the effects of that acquisition. See Table 15 for
       additional Houston Refining financial information.
   (b) Sales include sales to affiliates and intersegment sales.
   (c) Includes a $106 million charge for the three months ended
       September 30, 2006 and twelve months ended December 31, 2006 for the
       impairment of the net book value of the Lake Charles, La., ethylene
       facility.
   (d) Includes a $195 million charge for the twelve months ended
       December 31, 2005 for the impairment of the net book value of the
       Lake Charles, La., TDI facility.
   (e) Includes a $300 million charge for the three months ended September
       30, 2006 and twelve months ended December 31, 2006 for the
       termination of Houston Refining's previous crude supply agreement.
   (f) See Table 10 for reconciliation of segment EBITDA to net income.


  Table 8 - Selected Segment Operating Information (a) (b)

                                            For the three     For the twelve
                                             months ended      months ended
                                         December   September    December
                                             31,       30,         31,
                                        2006   2005   2006    2006    2005
  Selected Segment Sales Volumes:
    Ethylene, Co-Products and
     Derivatives (in millions)
      Ethylene and derivatives (pounds) 2,810  2,799  2,836  11,447  11,389
        Polyethylene included
         above (pounds)                 1,371  1,258  1,353   5,546   5,345
      Co-products, nonaromatic (pounds) 1,956  1,954  2,171   8,247   7,749
      Aromatics (gallons)                  92    103     89     358     412

    PO and Related Products
     (in millions)
      PO and derivatives (pounds)         783    831    813   3,193   3,236
      Co-products:
        Styrene monomer (pounds)        1,027    905  1,208   4,248   3,885
        MTBE and other TBA
         derivatives (gallons)            280    300    321   1,188   1,178

    Inorganic Chemicals (thousand
     metric tons)
      TiO2                                136    162    149     594     618

    Refined products (thousand barrels
     per day)
      Gasoline                            110     66    112     113     104
      Diesel and heating oil               90     63     84      90      80
      Jet fuel                             21      8     22      16      13
      Aromatics                             8      8      7       7       8
      Other refined products              124     90    112     117      86
        Total refined products volumes    353    235    337     343     291

     Refining Metrics:
       Crude processing rates
        (thousand barrels per day)        275    169    270     270     217

       Throughput margin
        ($ per barrel) (c)              20.16
       Market margins
        ($ per barrel): (d)
         WTI 2-1-1                       7.52
         WTI-Maya                       13.02
           Total                        20.54

   (a) The Refining information presented above represents the operating
       results of Houston Refining on a 100 percent basis.
   (b) Sales volumes include sales to affiliates and intersegment sales.
   (c) As a result of Lyondell's acquisition of 100 percent of Houston
       Refining, beginning with the fourth quarter 2006, Lyondell is
       providing throughput margin per barrel information for the refining
       segment. Throughput margin per barrel is a statistic that is commonly
       reported by independent refiners, and management believes that it
       provides useful information to help investors, financial analysts and
       the public analyze and evaluate refining segment performance compared
       to other refiners and to industry benchmarks. Lyondell's presentation
       of throughput margins for the refining segment should not be
       considered as an alternative to GAAP measures such as refining
       segment revenues and operating income. See Table 15 for calculation
       of throughput margin and reconciliation to Refining segment operating
       income. The throughput margin is divided by the number of barrels of
       crude oil processed in the quarter to derive the margin per barrel.
   (d) Market margins are reported by Platts, a division of The McGraw-Hill
       Companies.


  Table 9 - Reconciliation of Segment Information to Consolidated
  Lyondell Financial Information

                                   Sales and            Depreciation
                                     other     Operating    and      Capital
                                   operating     income    amorti-  expendi-
  (Millions of dollars)            revenues     (loss)     zation     tures

     For the three months ended
      December 31, 2006:

     Segment Data
        Ethylene, Co-Products &
         Derivatives                $3,091        $214       $98       $65
        PO & Related Products        1,712          45        62        14
        Inorganic Chemicals            312         (35)       22        12
        Refining (a)                 2,065         302        55        69
        Other (b)                     (935)        (12)        1         1
     Total                          $6,245        $514      $238      $161


     For the three months ended
      December 31, 2005:

     Segment Data
        Ethylene, Co-Products &
         Derivatives                $3,380        $337      $102       $52
        PO & Related Products        1,645          35        58         8
        Inorganic Chemicals            355          (3)       22        21
        Other (b)                     (380)         (6)        2         3
     Total                          $5,000        $363      $184       $84


     For the three months ended
      September 30, 2006:

     Segment Data
        Ethylene, Co-Products &
         Derivatives                $3,603        $173       $94       $44
        PO & Related Products        1,900         133        57        21
        Inorganic Chemicals            341          (5)       24        19
        Refining (a)                 1,083          81        28        29
        Other (b)                     (773)        ---         2         2
     Total                          $6,154        $382      $205      $115


     For the twelve months ended
      December 31, 2006:

     Segment Data
        Ethylene, Co-Products &
         Derivatives               $13,247        $867      $386      $175
        PO & Related Products        7,019         403       234        68
        Inorganic Chemicals          1,354         (15)       95        54
        Refining (a)                 3,148         383        83        98
        Other (b)                   (2,540)        (17)        7         5
     Total                         $22,228      $1,621      $805      $400


     For the twelve months ended
      December 31, 2005:

     Segment Data
        Ethylene, Co-Products &
         Derivatives               $12,191        $950      $388      $155
        PO & Related Products        6,568         316       235        36
        Inorganic Chemicals          1,360          18        98        53
        Other (b)                   (1,513)        (16)        8         5
     Total                         $18,606      $1,268      $729      $249


   (a) The Refining segment information reflects the consolidation of
       Houston Refining prospectively from August 16, 2006.  For periods
       prior to August 16, 2006, Houston Refining was accounted for as an
       equity investment.
   (b) Includes elimination of intersegment transactions and items not
       allocated to segments.

  Table 10 - Reconciliation of Segment EBITDA to Net Income

                                             For the three    For the twelve
                                             months ended      months ended
                                           December  September   December
                                              31,       30,         31,
     (Millions of dollars)                2006  2005   2006    2006    2005

     LYONDELL
     Segment EBITDA:
     Ethylene, Co-Products & Derivatives  $313  $438   $372  $1,361  $1,334
     PO & Related Products                 105   104    195     645     757
     Inorganic Chemicals                   (10)   26     25      92     128
     Refining (a)                          357     -    109     466       -
     Other                                 (12)   (3)     4      64      (5)
     Add:
         Income (loss) from equity
          investment in Houston Refining
          (a)                                -   (16)  (104)     73     123
     Deduct:
         Depreciation and amortization    (238) (184)  (205)   (805)   (729)
         Interest expense, net            (179) (141)  (158)   (590)   (603)
         Provision for income taxes        (86)  (59)   (48)   (410)   (219)
         Charges related to impairment of
          assets                            (3)   (7)  (112)   (121)   (210)
         Debt prepayment premiums and
          charges                          (19)  (17)   (21)    (40)    (45)
     Lyondell net income                  $228  $141    $57    $735    $531


     Refining EBITDA (b)                          $7   $(54)   $690    $348
     Deduct:
         Depreciation and amortization           (30)   (44)   (161)   (116)
         Interest expense, net                   (12)   (17)    (56)    (38)
         Income taxes                              -      8       -       -
     Houston Refining net income (loss)         $(35) $(107)   $473    $194


     Lyondell's income from equity
      investment in Houston Refining (c)              $(104)    $73
     Less: Accretion of Lyondell's
      investment in Houston Refining (d)                 (1)     (5)
     Lyondell's 58.75% share of Houston
      Refining net income                              (105)     68
     Partner's 41.25% share of Houston
      Refining net income                               (74)     47
     Houston Refining net income - pre
      acquisition, 100% basis                          (179)    115
     Add (deduct):
         Interest expense, net - pre
          acquisition                                     8      31
         Income taxes - pre acquisition                  (8)      -
     Houston Refining operating income -
      pre acquisition                                  (179)    146
     Houston Refining operating income -
      post acquisition (e)                               81     383
     Houston Refining operating income -
      100% basis                                        (98)    529

     Interest expense, net                              (17)    (56)
     Income taxes                                         8       -
     Houston Refining net income                      $(107)   $473


  (a) The Refining segment information reflects the consolidation of Houston
      Refining prospectively from August 16, 2006. For periods prior to
      August 16, 2006, Houston Refining was accounted for as an equity
      investment.
  (b) The Refining information presented represents operating results of
      Houston Refining on a 100 percent basis. The effects of the August
      2006 Acquisition are included prospectively from the date of
      acquisition.
  (c) See Table 11 for Lyondell's income from equity investment in Houston
      Refining.
  (d) Lyondell's income from its investment in Houston Refining consisted of
      Lyondell's share of Houston Refining net income and accretion of
      Lyondell's investment in Houston Refining up to its underlying equity
      in Houston Refining's assets.
  (e) See Table 9 for reconciliation of Houston Refining or Refining segment
      operating income to consolidated Lyondell operating income.


  Table 11 - Lyondell Unaudited Income Statement Information (a)

                                          For the three      For the twelve
                                           months ended       months ended
                                      December     September    December
     (Millions of dollars, except         31,          30,          31,
      per share data)                2006    2005    2006     2006     2005
    Sales and other operating
     revenues                      $6,245  $5,000  $6,154  $22,228  $18,606
    Cost of sales                   5,540   4,486   5,481   19,772   16,494
    Asset impairments                   3       7     112      121      210
    Selling, general and
     administrative expenses          164     121     156      620      543
    Research and development
     expenses                          24      23      23       94       91
      Operating income                514     363     382    1,621    1,268
    Income (loss) from equity
     investment in Houston
     Refining (b)                     ---     (16)   (104)      73      123
    Income (loss) from other
     equity investments                 1      (1)      2        5        1
    Interest expense, net            (179)   (141)   (158)    (590)    (603)
    Other income (expense), net       (22)     (5)    (17)      36      (39)
        Income before income taxes    314     200     105    1,145      750
    Provision for income taxes         86      59      48      410      219
    Net income                       $228    $141     $57     $735     $531

    Basic earnings per share        $0.92   $0.57   $0.23    $2.97    $2.16
    Diluted earnings per share      $0.87   $0.54   $0.22    $2.83    $2.04

    Weighted average shares (in
     millions):
      Basic                         248.4   246.7   247.7    247.6    245.9
      Diluted                       261.4   260.3   260.5    260.3    259.9

   (a) Results of operations reflect the consolidation of Houston Refining
       prospectively from August 16, 2006.  For periods prior to
       August 16, 2006, Houston Refining was accounted for as an equity
       investment.
   (b) Includes a $176 million charge for the three months ended
       September 30, 2006 and twelve months ended December 31, 2006
       representing Lyondell's 58.75 percent share of the $300 million cost
       to terminate Houston Refining's previous crude supply agreement.



  Table 12 - Lyondell Unaudited Cash Flow Information (a)

                                                For the twelve months ended
                                                       December 31,
    (Millions of dollars)                        2006               2005
    Net income                                   $735               $531
    Adjustments:
      Depreciation and amortization               805                729
      Asset impairments                           121                210
      Equity investments -
        Amounts included in net income            (78)              (124)
        Distributions of earnings                  73                123
      Deferred income taxes                        42                142
      Debt prepayment premiums and charges         40                 45
    Changes in assets and liabilities:
      Accounts receivable                          60               (156)
      Inventories                                (237)               (94)
      Accounts payable                           (215)               292
    Other, net                                   (124)              (104)
        Cash provided by operating activities   1,222              1,594

    Acquisition of Houston Refining, net of
     cash acquired                             (2,505)               ---
    Contributions and advances to affiliates      (86)              (148)
    Expenditures for property, plant
     and equipment                               (400)              (249)
    Distributions from affiliates in
     excess of earnings                           117                183
    Other                                           6                  3
        Cash used in investing activities      (2,868)              (211)

    Issuance of long-term debt                  4,357                100
    Repayment of long-term debt (b)            (2,677)            (1,512)
    Dividends paid                               (223)              (222)
    Proceeds from stock option exercises           27                 48
    Other                                           7                  6
        Cash provided by (used in)
         financing activities                   1,491             (1,580)

    Effect of exchange rate changes on cash         8                (14)

    Decrease in cash and cash equivalents       $(147)             $(211)


   (a) Houston Refining became a wholly-owned subsidiary as of August 16,
       2006.  Prior to August 16, 2006, Lyondell's investment in
       Houston Refining was accounted for on an equity basis.
   (b) Includes prepayment premiums in the twelve months ended December 31,
       2006 and 2005 of $39 million and $46 million, respectively.



  Table 13 - Lyondell Unaudited Balance Sheet Information (a)

                                             December 31,      December 31,
    (Millions of dollars)                        2006              2005
    Cash and cash equivalents                    $446              $593
    Accounts receivable, net                    2,168             1,677
    Inventories                                 2,259             1,657
    Prepaid expenses and other current assets     164               176
    Deferred tax assets                           148               198
      Total current assets                      5,185             4,301
    Property, plant and equipment, net          9,147             6,530
    Investments and long-term receivables:
      Investment in PO joint ventures             778               776
      Investment in and receivable from
       Houston Refining                           ---               186
      Other investments and long-term
       receivables                                118               114
    Goodwill, net                               2,193             2,245
    Other assets, net                             938               828
      Total assets                            $18,359           $14,980

    Current maturities of long-term debt          $22              $319
    Accounts payable                            2,096             1,453
    Accrued liabilities                         1,082               797
      Total current liabilities                 3,200             2,569
    Long-term debt                              8,018             5,974
    Other liabilities                           1,661             1,786
    Deferred income taxes                       1,568             1,463
    Minority interest                             174               180
    Stockholders' equity (248,970,570
     and 247,050,234 shares outstanding
     at December 31, 2006 and
     December 31, 2005, respectively)           3,738             3,008
      Total liabilities and stockholders'
       equity                                 $18,359           $14,980

   (a) Reflects Lyondell and its consolidated subsidiaries including Houston
       Refining at December 31, 2006.  Prior to August 16, 2006, Lyondell's
       investment in Houston Refining was accounted for on an equity basis.



  Table 14 - Lyondell Selected Equity Investment Activity

                                            For the twelve    For the twelve
                                             months ended      months ended
                                             December 31,      December 31,
     (Millions of dollars)                       2006              2005
     Investment in Houston Refining,
      beginning of period                        $(90)             $(37)
     Lyondell's share of Houston
      Refining net income                          73               123
     Cash distributions from Houston Refining    (190)             (303)
     Cash contributions to Houston Refining        64               128
     Consolidation of Houston Refining            143               ---
     Other                                        ---                (1)
       Investment in Houston Refining,
        end of period                            $---              $(90)


     Investment in and receivable from
      Houston Refining
                                             December 31,       December 31,
                                                 2006              2005
     Investment in Houston Refining              $---              $(90)
     Houston Refining note receivable             ---               229
     Houston Refining interest receivable         ---                47
       Total                                     $---              $186



  Table 15 - Refining Segment Throughput Margin and Reconciliation to
  Unaudited Refining Segment Operating Income

                                                   For the three
                                                   months ended
                                                   December 31,
      (Millions of dollars)                            2006
      Refining Throughput Margin:
      Sales and other operating revenues (a)          $2,065
      Crude oil and feedstock costs                    1,555
        Throughput margin                                510

      Operating expenses                                 201
      Selling, general and administrative expense          7
        Refining operating income (a)                   $302

   (a) See Table 9 for reconciliation of Refining segment sales and other
       operating revenues and operating income to Lyondell sales and other
       operating revenues and operating income.



       Tables 16 through 21 represent additional financial information
                 on a 100% basis for Equistar and Millennium



  Table 16 - Equistar Unaudited Income Statement Information (a)

                                           For the three      For the twelve
                                           months ended       months ended
                                       December   September     December
                                          31,         30,          31,
    (Millions of dollars)            2006    2005    2006     2006     2005
    Sales and other operating
     revenues (b)                  $2,971  $3,258  $3,480  $12,765  $11,686
    Cost of sales                   2,713   2,847   3,151   11,562   10,487
    Asset impairment                  ---     ---     135      135      ---
    Selling, general and
     administrative expenses           47      47      54      210      198
    Research and development
     expenses                           9       8       8       34       33
        Operating income              202     356     132      824      968
    Interest expense, net             (50)    (54)    (55)    (210)    (218)
    Other income (expense)            ---     ---       1      ---       (2)
    Net income (c)                   $152    $302     $78     $614     $748

   (a) Represents information for Equistar on the basis reflected in
       Equistar's financial statements as filed in its Annual Report on Form
       10-K.
   (b) Sales and other operating revenues include sales to affiliates.
   (c) As a partnership, Equistar is not subject to federal income taxes.



  Table 17 - Equistar Unaudited Balance Sheet Information (a)

                                             December 31,       December 31,
     (Millions of dollars)                       2006               2005
     Cash and cash equivalents                   $133               $215
     Accounts receivable, net                   1,167                924
     Inventories                                  809                657
     Prepaid expenses and other current assets     49                 53
       Total current assets                     2,158              1,849
     Property, plant and equipment, net         2,846              3,063
     Investments                                   59                 58
     Other assets, net                            296                350
       Total assets                            $5,359             $5,320

     Current maturities of long-term debt        $---               $150
     Accounts payable                             905                735
     Accrued liabilities                          312                275
       Total current liabilities                1,217              1,160
     Long-term debt                             2,160              2,161
     Other liabilities and deferred revenues      378                416
     Partners' capital                          1,604              1,583
       Total liabilities and partners'
        capital                                $5,359             $5,320

   (a) Represents information for Equistar on the basis reflected in
       Equistar's financial statements as filed in its Annual Report on Form
       10-K.



  Table 18 - Equistar Unaudited Cash Flow Information (a)

                                                 For the twelve months ended
                                                          December 31,
    (Millions of dollars)                           2006               2005
    Net income                                      $614               $748
    Adjustments:
      Depreciation and amortization                  324                322
      Asset impairment                               135                ---
      Deferred maintenance turnaround expenditures   (12)               (51)
    Changes in assets and liabilities:
      Accounts receivable                           (243)               (96)
      Inventories                                   (156)               (69)
      Accounts payable                               168                197
    Other, net                                       (23)                (4)
       Cash provided by operating activities         807              1,047

    Expenditures for property, plant
     and equipment                                  (168)              (153)
    Other                                              2                  3
       Cash used in investing activities            (166)              (150)

    Distributions to owners                         (575)              (725)
    Repayment of long-term debt                     (150)                (1)
    Other                                              2                  5
       Cash used in financing activities            (723)              (721)

    Increase (decrease) in cash and
     cash equivalents                               $(82)              $176


   (a)  Represents information for Equistar on the basis reflected in
        Equistar's financial statements as filed in its Annual Report on
        Form 10-K.



  Table 19 - Millennium Unaudited Income Statement Information (a)


                                         For the three      For the twelve
                                         months ended        months ended
                                     December   September      December
                                        31,         30,           31,
    (Millions of dollars)          2006    2005    2006     2006      2005
    Sales and other operating
     revenues (b)                  $459    $502    $496    $1,948    $1,959
    Cost of sales                   415     478     434     1,732     1,715
    Selling, general and
     administrative expenses         47      29      33       160       196
    Research and development
     expenses                         7       6       6        26        23
    Asset impairments                 3       7       6        15        15
      Operating income (loss)       (13)    (18)     17        15        10
    Interest expense, net           (19)    (39)    (19)      (71)     (112)
    Other income (expense), net (c) ---       3       2        23       (19)
      Loss before equity
       investment, minority
       interest and income taxes    (32)    (54)    ---       (33)     (121)
    Income from equity investment
     in Equistar                     45      89      23       181       221
      Income before income taxes
       and minority interest         13      35      23       148       100
    Provision for (benefit from)
     income taxes                    14      36       6       (17)       67
      Income (loss) before
       minority interest             (1)     (1)     17       165        33
    Minority interest               ---      (1)    ---        (2)       (5)
    Net income (loss)               $(1)    $(2)    $17      $163       $28

   (a)  Represents information for Millennium on the basis reflected in
        Millennium's financial statements as filed in its Annual Report on
        Form 10-K.
   (b)  Sales and other operating revenues include sales to affiliates.
   (c)  Other income (expense), net, for the twelve months ended December
        31, 2006 included net credits of $30 million related to resolution
        of prior years' income tax issues.




  Table 20 - Millennium Unaudited Balance Sheet Information (a)

                                             December 31,       December 31,
     (Millions of dollars)                       2006              2005
     Cash and cash equivalents                   $121              $279
     Accounts receivable, net                     347               361
     Inventories                                  440               429
     Prepaid expenses and other current assets     31                64
     Deferred tax assets                           69                15
         Total current assets                   1,008             1,148
     Property, plant and equipment, net           651               647
     Investments in Equistar                      470               464
     Goodwill                                     104               104
     Other assets, net                            101               110
         Total assets                          $2,334            $2,473

     Current maturities of long-term debt          $4              $169
     Accounts payable                             330               367
     Accrued liabilities                          174               156
         Total current liabilities                508               692
     Long-term debt                               849               966
     Other liabilities                            621               644
     Deferred income taxes                        163               167
     Minority interest                             45                42
     Stockholder's equity (deficit)
      (1,000 shares authorized; 661 shares issued
       at December 31, 2006 and 2005)             148               (38)
         Total liabilities and
          stockholder's equity                 $2,334            $2,473

   (a)  Represents information for Millennium on the basis reflected in
        Millennium's financial statements as filed in its Annual Report on
        Form 10-K.



  Table 21 - Millennium Unaudited Cash Flow Information (a)

                                                 For the twelve months ended
                                                          December 31,
    (Millions of dollars)                            2006             2005
    Net income                                       $163              $28
    Adjustments:
         Asset impairments                             15               15
         Depreciation and amortization                101              107
         Debt prepayment charges and premiums           7               11
         Deferred income taxes                        (48)              (4)
         Equity investment in Equistar -
           Amounts included in net income            (181)            (221)
           Distributions of earnings                  170              214
    Changes in assets and liabilities:
         Accounts receivable                           28              (28)
         Inventories                                    5              (20)
         Accounts payable                             (50)              77
    Other, net                                        (17)              96
           Cash provided by operating activities      193              275

    Expenditures for property, plant and equipment    (66)             (60)
    Other                                               1              ---
           Cash used in investing activities          (65)             (60)

    Repayment of long-term debt                      (289)            (374)
    Issuance of long-term debt                          1              100
    Distributions to minority interests                (1)              (6)
    Other                                              (1)               8
           Cash used in financing activities         (290)            (272)

    Effect of exchange rate changes on cash             4               (8)

    Decrease in cash and cash equivalents           $(158)            $(65)

   (a)  Represents information for Millennium on the basis reflected in
        Millennium's financial statements as filed in its Annual Report on
        Form 10-K.

SOURCE: Lyondell Chemical Company; Equistar Chemicals, LP; Millennium

CONTACT: media, Susan Moore, +1-713-309-4645, or investors, Doug Pike,
+1-713-309-4590, both of Lyondell Chemical Company

Web site: http://www.lyondell.com/
http://www.lyondell.com/earnings

 

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