ETHERSTACK PLC — Regulatory Filings 2016

May 8, 2016

604 page 1/2 15 July 2001

Form 604

Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme Etherstack plc ACN/ARSN ARBN 156 640 532

1. Details of substantial holder(1)

Name Paul Barnes

ACN/ARSN (if applicable) There was a change in the interests of the substantial holder on 4 /5 /2016 The previous notice was given to the company on 11 /9 /2012 The previous notice was dated 11 /9 /2012

2. Previous and present voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

Class of securities (4)	Previous notice		Present notice
	Person’s votes	Voting power (5)	Person’s votes	Voting power (5)
Fully paid ordinary shares	1,712,500	5.35%	6,850,000	9.40%

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company are as follows:

Date of	Person whose	Nature of	Consideration	Class and	Person’s votes
change	relevant interest	change (6)	given in relation to	number of	affected
	changed		change (7)	securities
				affected
		Take up
4/5/2016	Paul Barnes	entitlements under the Etherstack entitlements	$513,750	5,137,500 CDIs over fully paid ordinary shares	5,137,500
		Issue

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder of	Registered	Person entitled to be	Nature of relevant	Class and	Person’s
relevant	holder of	registered as holder	interest (6)	number of	votes
interest	securities	(8)		securities
Paul Barnes	Paul Barnes	Paul Barnes	Direct ownership	1,712,500 shares	1,712,500
				5,137,500 CDIs
Paul Barnes	Paul Barnes	Paul Barnes	Direct ownership	over fully paid	5,137,500
				ordinaryshares

604 page 2/2 15 July 2001

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name and ACN/ARSN (if applicable) Nature of association

6. Addresses

The addresses of persons named in this form are as follows:

Name	Address
Paul Barnes	8 Copperkins Grove Amersham Bucks HP6 5QD United Kingdom

Signature Paul Barnes capacity print name

sign here

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date 6 / 5 / 2016