Sinopec Engineering Group Co Ltd. — Capital/Financing Update 2015

Jul 1, 2015

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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中石化煉化工程(集團)股份有限公司 SINOPEC Engineering (Group) Co., Ltd.[*]

(a joint stock limited liability company incorporated in the People’s Republic of China)

(Stock Code: 2386)

VOLUNTARY ANNOUNCEMENT MAJOR CONTRACTS

The board of directors (the “ Board ”) of SINOPEC Engineering (Group) Co., Ltd. (the “ Company ”, and together with its subsidiaries, the “ Group ”) is pleased to announce that the Group recently signed three contracts.

1. The Group recently signed a contract (the “ IRPC Contract ”) of engineering, procurement, construction and commissioning (“ EPCC ”) for polypropylene compound (the “ Thailand PP Project ”) with Thailand IRPC Public Company Limited (“ Thailand IRPC Company ”). Thailand IRPC Company is an independent third party of the Company. The Thailand PP Project is located in Rayong, Thailand. The work scope of the Group under the IRPC Contract includes the EPCC services to build a 120 kilo tons per annum (“ Ktpa ”) green field polypropylene compound plant and to upgrade and expand an existing polypropylene line from 225 Ktpa to 385 Ktpa. The contract value of the IRPC Contract is US$220 million (approximately RMB1.366 billion). The IRPC Contract took effect from the date of signing and the commissioning shall be in May 2017. The Thailand PP Project is the Group’s first EPCC project in the refinery and petrochemical engineering market in Thailand and it contributes great value to the Group’s market expansion in Thailand and Southeast Asia and the enhancement of the Group’s overseas competitiveness.

2. For identification purposes only.

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1. The Group signed a contract (the “ Guangxi LNG Contract ”) of engineering, procurement and construction (“ EPC ”) for Guangxi liquefied natural gas receiving terminal station project (the “ Guangxi LNG Project ”) with Sinopec Beihai Liquefied Natural Gas Co., Ltd. (中石化北海液化天然氣有限責任公司, “ Sinopec Beihai LNG Company ”). The Guangxi LNG Project is located in Beihai, Guangxi. The work scope of the Group under the Guangxi LNG Contract includes EPC services for four 160 thousand cubic meters full containment storage tanks, LNG dock unloading facility, LNG processing system, natural gas output and measurement unit and other auxiliary system. The contract value of the Guangxi LNG Contract is RMB4.705 billion and the Guangxi LNG Contract took effect from the date of signing. The Guangxi LNG Project has receiving capacity of 3 million tons per annum and gas supplying capacity of 4.05 billion cubic meters per annum.

2. The Group signed a framework agreement (the “ Tianjin LNG Agreement ”) of EPC for Tianjin liquefied natural gas receiving terminal station project (the “ Tianjin LNG Project ”) with Sinopec Tianjin Liquefied Natural Gas Co., Ltd. (中石化天津液化天然氣有限責任公司, “ Sinopec Tianjin LNG Company ”). The Tianjin LNG Project is located in Binhai New District, Tianjin. The work scope of the Group under the Tianjin LNG Agreement includes EPC services for four 160 thousand cubic meters full containment storage tanks, LNG dock unloading facility, LNG processing system, natural gas output and measurement unit, ground re-treatment and other auxiliary system. The value of the Guangxi LNG Agreement is RMB5.600 billion and the Tianjin LNG Agreement took effect from the date of signing. The Tianjin LNG Project has receiving capacity of 3 million tons per annum and gas supplying capacity of 4 billion cubic meters per annum.

China Petroleum & Chemical Corporation (which is controlled by the ultimate controlling shareholder of the Company, China Petrochemical Corporation (“ Sinopec Group ”)) indirectly holds the controlling interests in Sinopec Beihai LNG Company and Sinopec Tianjin LNG Company. The Guangxi LNG Contract and the Tianjin LNG Agreement are entered into based on the principles and the terms under the engineering and construction services framework agreement entered into between the Group and Sinopec Group on 19 December 2012 (the “ Engineering and Construction Services Framework Agreement ”), details of which are disclosed in the Company’s prospectus dated 10 May 2013, and are in line with the interests of the Company and its shareholders as a whole. The Company has obtained waiver (including the waiver from announcement and independent shareholders’ approval

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requirements) granted by The Stock Exchange of Hong Kong Limited pursuant to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “ Listing Rules ”). The Company will implement the Guangxi LNG Contract and the Tianjin LNG Agreement in accordance with the aforementioned waiver and the applicable Listing Rules.

Shareholders of the Company and potential investors are advised to exercise caution when dealing in the shares of the Company.

By order of the Board SINOPEC ENGINEERING (GROUP) CO., LTD. SANG Jinghua

Vice President and Secretary to the Board

Beijing, the PRC 1 July 2015

As at the date of this announcement, the Company’s executive directors are LU Dong, YAN Shaochun, SUN Lili (employee representative director) and WU Derong (employee representative director); the non-executive directors are ZHANG Jianhua and LI Guoqing; and the independent non-executive directors are HUI Chui Chung, Stephen, JIN Yong and YE Zheng.

This announcement will be available on the website of Hong Kong Exchanges and Clearing Limited (www.hkex.com.hk) and on the website of the Company (www.segroup.cn).

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