SGH LIMITED — M&A Activity 2021

Jul 14, 2021

Allens

Deutsche Bank Place GPO Box 50 Corner Hunter and Phillip Streets Sydney NSW 2001 Australia Sydney NSW 2000 Australia T +61 2 9230 4000 F +61 2 9230 5333 www.allens.com.au ABN 47 702 595 758

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15 July 2021

The Manager ASX Market Announcements Office ASX Limited Level 4 Exchange Centre 20 Bridge Street Sydney NSW 2000

Dear Sir/Madam

Takeover Offer by Network Investment Holdings Pty Limited in relation to Boral Limited – Notice of Automatic Extension of Offer Period

As you are aware, we act for Seven Group Holdings Limited (ACN 142 003 469) (ASX: SVW) and its whollyowned subsidiary, Network Investment Holdings Pty Limited (ACN 078 448 512) ( NIH ), in relation to NIH's off-market takeover offer for all of the ordinary shares in Boral Limited (ACN 008 421 761) (ASX:BLD) ( Boral ).

On behalf of NIH, we enclose a Notice pursuant to section 624(2) of the Corporations Act 2001 (Cth) ( Corporations Act ) dated 15 July 2021, which will be given to Boral and each Boral shareholder as required under the Corporations Act.

Yours sincerely

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Tom Story Partner Allens Tom.Story@allens.com.au T +61 2 9230 4812

Encl

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NOTICE OF AUTOMATIC EXTENSION OF OFFER PERIOD

Network Investment Holdings Pty Limited (ACN 078 448 512)

Notice under section 624(2) of the Corporations Act 2001 (Cth) ( Corporations Act )

To: Boral Limited (ACN 008 421 761) ( Boral ); and

Each Boral shareholder as required under the Corporations Act.

Network Investment Holdings Pty Limited ( NIH ) gives notice under section 624(2) of the Corporations Act that it varies its takeover bid for all of the ordinary shares in Boral which is contained in the bidder's statement dated 10 May 2021, as amended by NIH's First Supplementary Bidder's Statement dated 22 June 2021, NIH's Second Supplementary Bidder's Statement dated 25 June 2021, NIH's Third Supplementary Bidder's Statement dated 1 July 2021 and NIH's Fourth Supplementary Bidder's Statement dated 6 July 2021 ( Bidder's Statement ), by:

• (a) extending the period during which the offer will remain open so that the offer will now close at 7.00pm (Sydney time) on 29 July 2021; and

• (b) substituting the date "29 July 2021" for the date "15 July 2021" in all places in the Bidder's Statement, the acceptance form enclosed with the Bidder's Statement and in all other instances where the date "15 July 2021" appears as the closing date of the offer.

This notice has been approved by a resolution passed by the directors of NIH.

Signed for and on behalf of Network Investment Holdings Pty Limited

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Warren Coatsworth Company Secretary Date: 15 July 2021

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