| 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. |