China Petroleum & Chemical Corporation Q1 2010 Results Announcement 29 April 2010

Disclaimer As required by the CSRC, financial statements of the first quarter of Sinopec Corp. (the “Company”) were prepared under China Accounting Standards for Business Enterprises. The Company has adjusted part of the financial data in accordance with the International Financial Reporting Standards hereby for the reference of international investors. Financial data of the first quarter contained in the presentation and presentation materials are unaudited. This presentation and the presentation materials distributed herein include forward-looking statements. All statements, other than statements of historical facts, that address activities, events or developments that Sinopec Corp. expects or anticipates will or may occur in the future (including but not limited to projections, targets, estimates and business plans) are forward-looking statements. Sinopec Corp.'s actual results or developments may differ materially from those indicated by these forward-looking statements as a result of various factors and uncertainties, including but not limited to price fluctuations, actual demand, exchange rate fluctuations, exploration and development outcomes, estimates of proven reserves, competition, environmental risks, changes in legal, financial and regulatory frameworks, international economic and financial market conditions, political risks, project delay, project approval, cost estimates and other risks and factors beyond our control. In addition, Sinopec Corp. makes the forward-looking statements referred to herein as of today and undertakes no obligation to update these statements. 2010-4-29

Market Environment in Q1 2010 China’s GDP grew by 11.9% in the first quarter Crude oil traded within a narrow range, but the trend was positive Domestic demand for natural gas, oil products and chemical products increased steadily 2010-4-29

Financial Performance EBIT of Each Segment RMB million Q1 2009 Q1 2010 Change % Turnover and other revenues 227,499 438,209 92.6 EBITDA 28,828 34,819 20.8 EBIT 16,701 21,517 28.8 Net profit attributable to equity shareholders of the company 11,281 15,785 39.9 EPS (RMB) 0.130 0.182 RMB million 2010-4-29

Financial Position 31 Dec 2009 31 Mar 2010 Short-term debt 58,898 RMB million 31 Dec 2009 31 Mar 2010 Short-term debt 58,898 61,740 Long-term debt 108,828 111,359 Total equity attributable to equity shareholders of the company 375,661 391,312 Q1 2010 Net cash flow generated from operating activities 27,995 Net cash flow used in investing activities 31,375 Net cash flow generated from financing activities 4,702 2010-4-29

E&P—Operational Summary & Performance Q1 2009 Q1 2010 Change% Crude oil production (mm bbls) 73.81 73.70 (0.1) Natural gas production (bcf) 69.98 98.65 41.0 Realized price of crude oil (RMB/tonne) 1,599.01 3,315.94 107.4 Realized price of natural gas (RMB/thousand cubic meter) 961.53 1,006.53 4.7 Lifting cost (RMB/tonne) 604.79 610.56 1.0 EBIT（RMB million） 2,756 8,625 213.0 Note: 1 tonne=7.1 barrels, 1 cubic meter=35.31 cubic feet 2010-4-29

Refining—Operational Summary Q1 2009 Q1 2010 Change% Refinery throughput (mm tonnes) 41.11 49.50 20.4 Gasoline production (mm tonnes) 8.16 8.62 5.6 Diesel production (mm tonnes) 15.38 18.00 17.0 Kerosene incl. jet fuel production (mm tonnes) 2.18 2.87 31.7 Light chemical feedstock production (mm tonnes) 5.77 8.50 47.3 Light stream yield(%) 74.93 75.75 82bps Refining yield(%) 93.66 94.80 114bps 2010-4-29

Refining—Performance Refining Margin / Cash Operating Cost EBIT of Refining Segment Refining margin RMB/tonne Cash operating cost RMB/tonne RMB million 2010-4-29

Marketing—Operational Summary Q1 2009 Q1 2010 Change% Domestic sales of refined oil products (mm tonnes) 26.43 32.84 24.3 Incl. Retail (mm tonnes) 17.37 20.19 16.2 Distribution (mm tonnes) 5.05 7.76 53.7 Wholesale (mm tonnes) 4.01 4.89 21.9 Annualized average pump volume per station (tonnes) 2,420 2,769 14.4 31 Dec 2009 31 Mar 2010 Change% Total number of service stations (unit) 29,698 29,795 0.3 Incl. Company-operated 29,055 29,158 0.4 Franchised 643 637 (0.9) 2010-4-29

Marketing—Performance Maximum retail price of RON 90# gasoline and 0# diesel EBIT of Marketing Segment RMB million RMB/tonne USD/bbl RMB/tonne Q1 2009 Q1 2010 Marketing cash operating cost 162.6 149.0 2010-4-29

Chemicals—Operational Summary ‘000 tonnes Q1 2009 Q1 2010 Change % Ethylene 1,488 2,028 36.3 Synthetic resins 2,416 2,917 20.7 Synthetic rubbers 198 240 21.2 Monomers & Polymers for synthetic fibers 1,723 2,133 23.8 Synthetic fibers 315 327 3.8 Urea 362 487 34.5 Note: The above data includes 100% production of JVs. 2010-4-29

Chemicals—Performance Chemicals Price Spread EBIT of Chemicals Segment USD/tonne RMB million 2010-4-29

Capital Expenditure Total Capex in Q1: 16.8bn E&P Refining Chemicals Sichuan-East China Gas Project, Shengli, Northwest and Southwest Oil Fields as well as pipeline construction. Refining Revamping crude adaptability; Construction of new storage facilities and pipelines. Chemicals Construction of major Ethylene projects. Marketing Accelerated construction of pipelines and newly developed 337 service stations in key areas RMB billion 2010-4-29

For Further Information http://www.sinopec.com Investor Inquiries Beijing: Tel: (8610) 59960028 Fax: (8610) 59960386 Email: ir@sinopec.com Hong Kong: Tel: (852) 28242638 Fax: (852) 28243669 Email: ir@sinopechk.com New York : Tel: (212) 759 5085 Fax: (212) 759 6882 Email: fangzq@sinopecusa.com Media Inquires Tel: (8610)59960028 Fax: (8610) 59960386 Email: media@sinopec.com 2010-4-29