On Wednesday May 11, 2005 management will hold a conference call and
webcast at 7:00 a. MST (9:00 a. EST) to discuss its First Quarter 2005
financial and operating results and to provide an update on developments at
the company.

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m. To access the replay in the
continental United States or Canada call 1-800-558-5253 or from outside this
geographic area, call 1-416-626 -4100.

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Richard Longdon, CEO, AVEVA group, said: "Corporations such as Sinopec
recognise the need to maintain excellence in every aspect of their operation -
- that means looking after the way in which engineering information is created
and distributed.

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Listed on the London Stock Exchange , the Group has grown consistently since
1967 on the strength of pioneering engineering technology that protects the
information assets of its customers despite the changing nature of the IT
industry .
Participants in the continental United States and Canada can access the
conference call at 1-888-793-1753. Participants calling from the UK geographic
area can access the call at 1-800-528 -0625 or 44-870-001-3125.

Dynetek Industries Ltd.

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About AVEVA Group plc
AVEVA Group plc is one of the world's foremost and fastest-growing
lifecycle engineering IT solutions and services providers to the oil and gas,
paper and pulp, power, chemical, pharmaceutical and shipbuilding industries. The confirmation
number for the replay is 21245776.

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Sinopec is China 's largest producer and marketer of oil products,
the country's leading supplier of major petrochemical products and the second
largest crude oil producer in China.
Digital replay of the call will be available approximately one hour after
the call is completed and until May 25, 2005. The audio webcast can be accessed on
Dynetek's web site at http://www.

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CALGARY, May 6 - Dynetek Industries Ltd. Dynetek's DyneCell cylinder and fuel storage systems applications
include but are not limited to: the transportation industry, including
passenger automobiles, light and heavy-duty trucks, transit and school buses;
the bulk hauling of compressed gases; and stationary storage or ground storage
refueling applications.

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is a leading international company engaged in
the design, manufacturing and marketing of fueling systems and high pressure
components including valves and regulators.

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Best known for
its Plant Design Management System (PDMS), an industry benchmark since the
1960s.

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Dynetek Industries announces First Quarter 2005 Financial Results conference call

To access the replay in the UK
geographic area call 1-800-692-0831 or 44-870-000-3081.

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Sinopec Subsidiaries Adopt AVEVA's Vantage Solutions

AVEVA makes sure that plant information is
always accessible when its clients need it, regardless of what the unfolding
IT revolution may confront them with.

com and it will be archived for replay for
30 days.

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dynetek.

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VANTAGE is unique in having a rock-solid track record as
well as a huge future ahead of it.

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CAMBRIDGE, England, In a deal valued at
over US$1 million, four of the top subsidiaries of the Sinopec Corporation
have adopted engineering IT solutions from AVEVA (LSE: AVV), the international
provider of solutions and services to the process , power and marine
industries."
VANTAGE is AVEVA's four-family plant lifecycle product suite , offering
proven, integrated and versatile solutions for engineering IT.,
(TSX:DNK) will release financial results for the first quarter of 2005 on
Tuesday May 10, 2005 after market closing.

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The VANTAGE suite also addresses data management, project management,
engineering design, visualisation , third party software integration and
procurement requirements, connecting the business enterprise on a common
foundation.

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The subsidiaries: Sinopec Engineering Incorporation, Sinopec Shanghai
Engineering Corporation, Sinopec Luoyang Petrochemical Engineering
Corporation, and the Sinopec Ningbo Engineering Corporation have signed
contracts for a selection of AVEVA's VANTAGE solutions including engineering
design solution (VPE P+ID and VPE Workbench), 2D/3D Comparator, the 'Project
Resource Management' (VPRM) procurement solution and AVEVA's flagship: VANTAGE
Plant Design Management System (PDMS). The key component of the storage
system is the DyneCell(R) cylinder, capable of storing high pressures gases
including compressed natural gas (CNG), hydrogen, and various industrial
gases .

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Sinopec can engineer into the future
with confidence.