RIVERSTONE HOLDINGS LIMITED: NOTICE OF A DIRECTOR'S (INCLUDING A DIRECTOR WHO IS A SUBSTANTIAL SHAREHOLDER) INTEREST AND CHANGE IN INTEREST

Notice of Interest/Change in Interest
* Asterisks denote mandatory information
Name of Announcer *	RIVERSTONE HOLDINGS LIMITED
Company Registration No.	200510666D
Announcement submitted on behalf of	RIVERSTONE HOLDINGS LIMITED
Announcement is submitted with respect to *	RIVERSTONE HOLDINGS LIMITED
Announcement is submitted by *	Wong Teek Son
Designation *	Executive Chairman & Chief Executive Officer
Date & Time of Broacast	21-Aug-2012 20:24:47
Announcement No.	00163
Price Sensitivity	Yes

>> Announcement Details

The details of the announcement start here ...

>> Part I
1. Date of notice to issuer *	21/08/2012
2. Name of Director *	Wong Teek Son
3. Please tick one or more appropriate box(es): *
- Notice of a Director's (including a director who is a substantial shareholder) Interest and Change in Interest. [Please complete Part II and IV]

>> Part II
1. Date of change of Interest	16/08/2012
2. Name of Registered Holder	Wong Teek Son
3. Circumstance(s) giving rise to the interest or change in interest	# Others
# Please specify details	Exercise of 5,000,000 warrants.
4. Information relating to shares held in the name of the Registered Holder
No. of Warrants held before the change	27,338,880
As a percentage of issued share capital	59.02 %
No. of Warrants which are subject of this notice	5,000,000
As a percentage of issued share capital	12.20 %
Amount of consideration (excluding brokerage and stamp duties) per share paid or received	0.31
No. of Warrants held after the change	22,338,880
As a percentage of issued share capital

>> Part III
1. Date of change of [Select Option]
2. The change in the percentage level	From % to %
3. Circumstance(s) giving rise to the interest or change in interest	[Select Option]
# Please specify details
4. A statement of whether the change in the percentage level is the result of a transaction or a series of transactions

>> Part IV
1. Holdings of Director, including direct and deemed interest:
	Direct	Deemed
No. of shares held before the change	27,338,880	0
As a percentage of issued share capital	59.02 %	0 %
No. of shares held after the change	22,338,880	0
As a percentage of issued share capital	54.51 %	0 %

Footnotes

1. Where reference is made to shares, it refers to warrants. 2. The number of warrants held before the change was calculated based on the total number of issued warrants of 46,320,298. 3. The number of warrants held after the change was calculated based on the total number of issued warrants of 40,979,298 as at date of notification.