Document:

<PAGE>
                                                                    Exhibit 4.19

YEAR 2001 PERFORMANCE CONTRACT WITH VICE PRESIDENT OF PETROCHINA COMPANY LIMITED
   AND PRESIDENT OF PETROCHINA EXPLORATION AND DEVELOPMENT RESEARCH INSTITUTE

<TABLE>
<S>                                               <C>                                         <C>
Offeree: Name: SHEN, Pingping                     Offeror: Name: HUANG, Yan                   Term of the Contract: January 1, 2001
                                                                                                  to December 31, 2001
Title:   Vice President of PetroChina Company     Title:  President of PetroChina Company
         Limited ("PetroChina") and President             Limited                             Date of Execution:  January, 2001
         of PetroChina Exploration and
         Development Research Institute
</TABLE>

<TABLE>
<CAPTION>
INDICES                       KEY PERFORMANCE INDICES (KPI)      WEIGHT     MEASUREMENT        TARGET     ACTUAL PERFORMANCE
-------                       -----------------------------      ------     -----------        ------     ------------------
<S>                           <C>                                <C>        <C>                <C>        <C>
Profits Indices               Rate of return of the              30%        %                  12.86
                              invested capital of
                              PetroChina (ROIC)

                              Net income of PetroChina           15%        In million RMB     41,470
                              (NI)

                              Free cash flow of                  15%        In million RMB     9,950
                              PetroChina (FCF)

Operating Indices             Number of new patents              15%        Item               8

                              Rate of excellent                  10%        %                  60
                              scientific projects after
                              being inspected in
                              acceptance tests
</TABLE>

<PAGE>
<TABLE>
<S>                           <C>                            <C>       <C>                  <C>
                              Rate of scientific             10%       %                    80
                              products which have been
                              put into application

                              Management cost                5%        In thousand RMB      23,570

Indices to Be Put under       Total number of employees      1,893 persons                                 Comprehensive performance
Control                                                                                                    expressed in marks to be
                                                                                                           reduced by 10 marks if
                              Improving ideological          Eliminating various factors causing           exceeding target of the
                              and political work,            instability in time and succeeding in         index put under control.
                              enhancing Party Conduct        preventing occurrence of any mass
                              and anti-corruption            commotion and any severe offence
                              campaign and maintaining       against Party conduct and
                              a stable employee team         anti-corruption disciplines by any
                                                             officer of the Institute
</TABLE>

Signature of Offeree:  /s/Shen Pingping      Signature of Offeror:  /s/Huang Yan
                       ----------------                             ------------<PAGE>
                                                                    Exhibit 4.20

  YEAR 2001 PERFORMANCE CONTRACT WITH CHIEF GEOLOGICAL ENGINEER OF PETROCHINA
                                COMPANY LIMITED

<TABLE>
<S>                                               <C>                                        <C>
Offeree: Name: JIA, Chengzao                      Offeror: Name: HUANG, Yan                  Term of the Contract: January 1, 2001
                                                                                               to December 31, 2001
Title:   Chief Geological Engineer of             Title:  President of PetroChina Company
         PetroChina Company Limited                      Limited                                 Date of Execution:   January, 2001
         ("PetroChina")

</TABLE>

<TABLE>
<CAPTION>
INDICES                       KEY PERFORMANCE INDICES      WEIGHT          MEASUREMENT           TARGET         ACTUAL PERFORMANCE
-------                       -----------------------      ------          -----------           ------         ------------------
                              (KPI)
<S>                           <C>                          <C>             <C>                   <C>            <C>
Profits Indices               Rate of return of the        20%             %                     20.87
                              invested capital of
                              PetroChina Exploration and
                              Production Company (ROI)

                              Net income of PetroChina     5%              In million RMB        41,470
                              (NI)

                              Gross profit of PetroChina   35%             In million RMB        59,110
                              Exploration and Production
                              Company

Operating Indices             Unit exploration cost for    15%             USD/barrel             1.34
                              oil and gas                                 -of-equivalent
                                                                           ("BOE")

</TABLE>

<PAGE>

<TABLE>
<S>                           <C>                          <C>             <C>                   <C>            <C>
                              Rate of successful oil       10%             %                     45
                              well exploration projects
                              Increase in exploitable      15%             In thousand tons      Oil: 83,270
                              oil and gas reserves
                                                                           In million cubic      Gas: 57,000
                                                                           meters
</TABLE>

<TABLE>
<S>                           <C>                          <C>                                             <C>
Indices to Be Put under       Safety and environmental     Accidents involving death                       Comprehensive performance
Control                       protection                   0.05 persons/million                            expressed in marks to be
                                                           man-hours;                                      reduced by 10 marks if
                                                                                                           exceeding target of the
                                                           accidents involving economic                    index put under control.
                                                           loss exceeding RMB 1 million = 0;

                                                           environmental pollution
                                                           accidents involving
                                                           economic loss exceeding
                                                           RMB 200,000 = 0.
</TABLE>

Signature of Offeree:    s/Jia Chengzao    Signature of Offeror:    s/Huang Yan
                         --------------                             -----------<PAGE>
                                                                    Exhibit 4.21

                       CRUDE OIL MUTUAL SUPPLY FRAMEWORK
                            AGREEMENT FOR YEAR 2002

                                     BETWEEN

                           PETROCHINA COMPANY LIMITED

                                       AND

                         CHINA PETROCHEMICAL CORPORATION

                                     BEIJING
                                  JANUARY 2002
<PAGE>
            CRUDE OIL MUTUAL SUPPLY FRAMEWORK AGREEMENT FOR YEAR 2002

         PetroChina Company Limited ("PetroChina") and China Petrochemical
Corporation ("Sinopec"), following friendly consultations and on the basis of
equality, have reached this Agreement (this "Agreement") on mutual supply of
crude oil in the year of 2002.

I.       QUANTITIES AND VARIETIES OF CRUDE OIL TO BE SUPPLIED HEREUNDER

         1.       In 2002, PetroChina shall supply Sinopec with 14.45 million
                  tons of domestic onshore crude oil, including 9.5 million tons
                  of oil produced at the Daqing Oil Region, 1.25 million tons of
                  oil produced at the Jizhong Oil Region, 1.15 million tons of
                  oil produced at the Dagang Oil Region, 550 thousand tons of
                  oil produced at the Jidong Oil Region, 900 thousand tons of
                  oil produced at the Changqing Oil Region and 1.10 million tons
                  of oil produced at the Tarim Basin Oil Region.

         2.       In 2002, Sinopec shall supply PetroChina with 700 thousand
                  tons of domestic onshore crude oil, including 400 thousand
                  tons produced at the Shengli Oil Region and 300 thousand tons
                  produced at the Tahe Oil Region.

         3.       The Parties shall, in principle, make available crude oil of
                  the above supply and take delivery thereof on an evenly
                  distributed basis. The quarterly mutual supply of crude oil
                  may be adjusted as necessary by mutual agreement thereon and
                  in light of the availability of crude oil resources, price and
                  the State's macro-economic planning requirements.

II.      QUALITY OF CRUDE OIL

         Matters with respect to the quality of the crude oil to be supplied
hereunder shall be handled pursuant to applicable provisions of SY7513-88
Technical Conditions of Crude Oil at Wellhead. PetroChina hereby acknowledges
SinoPec's requirement that quality of crude oil produced at Tarim Basin Oil
Region shall remain substantially even.

III.     QUARTERLY SUPPLY AGREEMENTS; SALES AND PURCHASE CONTRACTS ON AN
         ENTERPRISE-BY-ENTERPRISE BASIS

         Quarterly supply agreements shall be entered into between PetroChina
Natural Gas & Pipeline Company and Production and Management Department of
Sinopec. After the quarterly plans have been made known to their respective
subsidiaries, PetroChina's regional companies (including its oil fields,
refineries and pipeline companies) and Sinopec's subsidiaries (including its oil
fields and refineries) will enter into specific sales and purchase contracts.
The total quantities and varieties of crude oil to be supplied under such
contracts shall be consistent with those specified under the above quarterly
supply agreements.

IV.      ADDITIONAL PROVISIONS

                                       1
<PAGE>
         1.       Payment of the price of crude oil to be supplied hereunder
                  shall be made on a timely basis and pursuant to principles
                  agreed upon by the Parties. In case of any default thereof,
                  the Parties shall cooperate with each other in seeking a
                  solution thereto.

         2.       Where any change occurs to this Agreement in the performance
                  hereof, it shall be resolved by the Parties through
                  consultations.

PLANNING DEPARTMENT,                          PRODUCTION MANAGEMENT DEPARTMENT,
PETROCHINA COMPANY LIMITED                    CHINA PETROCHEMICAL CORPORATION

By:   s/Wang Guoliang                         By:   s/Zhou Zhikui

Date: January 30, 2002                        Date: January 30, 2002

                                       2
<PAGE>
          CRUDE OIL MUTUAL SUPPLY SUPPLEMENTARY AGREEMENT FOR YEAR 2002

         PetroChina Company Limited ("PetroChina") and China Petrochemical
Corporation ("Sinopec"), following friendly consultations and on the basis of
the mutual understanding reached by and between high-ranking officers of both
Parties and the Crude Oil Mutual Supply Framework Agreement ("Framework
Agreement") have reached this Supplementary Agreement ("Supplementary
Agreement") on an additional mutual supply of crude oil in the year of 2002.

I.       In 2002, PetroChina shall supply Sinopec with an additional 800
         thousand tons of domestic onshore crude oil, which makes the aggregate
         of its oil supply for year 2002 reach 15.25 million tons, including an
         additional 300 thousand tons of oil from Tarim Basin Oil Region which
         makes the aggregate of oil supply from Tarim Basin Oil Region reach 1.4
         million tons, an additional of 200 thousand tons of oil from Changqing
         Oil Region which makes the aggregate of oil supply from Changqing Oil
         Region reach 1.10 million of tons and an additional of 300 thousand
         tons of oil from Daqing Oil Region which makes the aggregate of oil
         supply from Daqing Oil Region reach 9.8 million tons (among which, 7
         million tons are supplied to Beijing Yanshan PetroChemical Co., Ltd.)
         while varieties and quantities of crude oil supply from any other oil
         regions as contemplated under the Framework Agreement shall remain the
         same.

II.      In 2002, Sinopec shall supply PetroChina with an additional 100
         thousand tons of domestic onshore crude oil produced at the Tahe Oil
         Region which makes the aggregate of oil supply from Tahe Oil Region
         reach 400 thousand tons.

III.     The Parties shall, in principle, make available crude oil of the supply
         so increased as contemplated hereunder and take delivery thereof on an
         evenly distributed basis after execution of this Supplementary
         Agreement. In case of any change occurring to the Framework Agreement
         and this Supplementary Agreement in the quarterly performance thereof,
         it shall be resolved by the Parties through consultations.

PLANNING DEPARTMENT,                        PRODUCTION MANAGEMENT DEPARTMENT,
PETROCHINA COMPANY LIMITED                  CHINA PETROCHEMICAL CORPORATION

By:   s/ Wu Mei                             By:   s/Zhu Jianmin

Date: March 25, 2002                        Date: March 25, 2002

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00040-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00040-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00040-of-00352.parquet"}]]