WORLEY LIMITED — Major Shareholding Notification 2017

Feb 27, 2017

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Level 15, 141 Walker Street North Sydney NSW 2060 Australia Telephone: +61 2 8923 6866 Facsimile: +61 2 8923 6877 worleyparsons.com WorleyParsons Limited ABN 17 096 090 158

28 February 2017

Market Announcements Office ASX Limited Level 4, Exchange Centre 20 Bridge Street SYDNEY NSW 2000

Dear Sir/Madam

WORLEYPARSONS LIMITED (ASX: WOR)

Please find attached a media release issued by Dar Al-Handasah Consultants Shair and Partners Holdings Ltd.

Yours faithfully WorleyParsons

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Nuala O’Leary Group Company Secretary

27 February 2017

DAR GROUP BECOMES WORLEYPARSONS SUBSTANTIAL SHAREHOLDER

Dar Group announces that it has acquired a total exposure of 13.35% in the issued shares of WorleyParsons Limited, comprised of physical shares of 8.61% and a cash settled equity swap exposure of 4.74%.

Dar Group views WorleyParsons as the preeminent energy and design consultancy globally and respects the role the Chairman, Board and management team have played in establishing this market leading position. Dar Group has acquired the stake with a long term strategic perspective and looks forward to being a supportive shareholder.

Dar Group also confirms that it submitted an indicative proposal to acquire 100% of WorleyParsons shares in November 2016. The proposal’s conditions included the unanimous support of the WorleyParsons Board. The WorleyParsons Board declined to engage with Dar Group on the proposal and there have been no further discussions between the parties since that time.

Dar Group has no present intention of initiating discussions with WorleyParsons a change of control transaction.

Overview of Dar Group

Dar Group is a privately owned international network of professional services firms, with over 18,000 staff operating from 200 offices across 58 countries dedicated to the planning, design, engineering and project management of facilities, installations and structures that contribute to the sustainable advance of communities worldwide.

Dar Group is ranked among the world’s leading architecture and engineering firms as demonstrated by its consistently strong ENR rankings. Dar Group is managed by its working partners who lead Dar Group’s key regions or service lines. Dar Group operates a multi-branded strategy consisting of architecture and engineering consultancy firms which include Dar Group, P+W, TY-L, PSP and C&B amongst others.

A Dar Group company factsheet is available here: http://www.dargroup.com/documents/Dar%20Group%20Factsheet%2027%20Octo ber%202016.pdf

Media Contacts

Australia Shaun Duffy FTI Consulting +61 8 9485 8888 / +61 404 094 384

United Arab Emirates John Hobday FTI Consulting +971 (0)50 4648706