APA GROUP — M&A Activity 2012

May 14, 2012

15 May 2012

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ASX RELEASE

The Manager

ASX Market Announcements Australian Securities Exchange 4[th] Floor, 20 Bridge Street Sydney NSW 2000

Electronic Lodgement

Dear Sir or Madam

Company Announcement

I attach the following announcement for release to the market:

• APA extends HDF takeover offer period

Yours sincerely

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Mark Knapman Company Secretary

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ASX RELEASE

15 May 2012

APA extends HDF takeover offer period

APA Group (ASX:APA) advises it has extended the offer period in relation to its offer to acquire all of the stapled securities in Hastings Diversified Utilities Fund (HDF) which it does not already own. The offer is now scheduled to close on Tuesday 31 July 2012.

APA also notes the indicative, non-binding and conditional proposal received by HDF. APA will review the material in relation to this proposal as it becomes available.

For further information please contact:

Investor enquiries: Media enquiries: Chris Kotsaris David Symons Investor Relations APA Group Cato Counsel Telephone: (02) 9693 0049 Telephone: (02) 9212 4666 Mob: 0402 060 508 Mob: 0410 559 184 Email: chris.kotsaris@apa.com.au Email: david@catocounsel.com.au

About APA Group (APA)

APA is Australia’s largest natural gas infrastructure business, owning and/or operating more than $8 billion of gas transmission and distribution assets. Its pipelines and assets span every state and territory on mainland Australia, delivering 50% of the nation’s gas usage. Unique amongst its peers, APA has direct management and operational control over its assets and the majority of its investments. APA also holds minority interests in energy infrastructure enterprises including Envestra, SEA Gas Pipeline, Hastings Diversified Utilities Fund and Energy Infrastructure Investments.

For more information visit APA’s website, www.apa.com.au

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