| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 23/07/2005 | 00:45 | PR Newswire (US) | MarkWest Hydrocarbon, Inc. Appoints Michael L. Beatty to its Board | AMEX:MWP | Markwest Hydrocarbon, |
| 23/07/2005 | 00:22 | PR Newswire (US) | MarkWest Hydrocarbon Declares a Quarterly Cash Dividend of $0.10 per Share | AMEX:MWP | Markwest Hydrocarbon, |
| 12/07/2005 | 02:42 | PR Newswire (US) | MarkWest Hydrocarbon Receives Letter from AMEX Accepting Plan of Action; Extension of Waivers for Bank Credit Facility | AMEX:MWP | Markwest Hydrocarbon, |
| 16/06/2005 | 01:00 | PR Newswire (US) | MarkWest Hydrocarbon Receives Compliance Letter From AMEX | AMEX:MWP | |
| 06/05/2005 | 23:39 | PR Newswire (US) | MarkWest Energy Partners Announces That Certain Non-Cash Compensation Expenses Previously Announced for MarkWest Hydrocarbon Mus | AMEX:MWP | Markwest Hydrocarbon, |
| 05/05/2005 | 01:55 | PR Newswire (US) | MarkWest Hydrocarbon Receives Extension Notice From AMEX; Extension of Waivers for Bank Credit Facility | AMEX:MWP | Markwest Hydrocarbon, |
| 27/04/2005 | 00:27 | PR Newswire (US) | MarkWest Hydrocarbon Receives Notice From Amex | AMEX:MWP | Markwest Hydrocarbon, |
| 16/04/2005 | 00:20 | PR Newswire (US) | MarkWest Hydrocarbon Announces Delayed Filing of Its Annual Report on Form 10-K | AMEX:MWP | Markwest Hydrocarbon, |
| 21/01/2005 | 22:18 | PR Newswire (US) | MarkWest Hydrocarbon Declares a Quarterly Cash Dividend of $0.075 Per Share | AMEX:MWP | Markwest Hydrocarbon, |
| 09/11/2004 | 13:45 | PR Newswire (US) | Reminder - MarkWest Hydrocarbon, Inc. Invites You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 09/11/2004 | 13:30 | PR Newswire (US) | MarkWest Hydrocarbon Reports 2004 Third Quarter Results | AMEX:MWP | Markwest Hydrocarbon, |
| 03/11/2004 | 23:01 | PR Newswire (US) | MarkWest Hydrocarbon, Inc. Invites You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 01/11/2004 | 23:44 | PR Newswire (US) | MarkWest Hydrocarbon, Inc. and MarkWest Energy Partners, L.P. Invite You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 29/10/2004 | 03:59 | PR Newswire (US) | MarkWest Hydrocarbon Declares a 10% Stock Dividend and a Quarterly Cash Dividend of $0.05 Per Share | AMEX:MWP | Markwest Hydrocarbon, |
| 06/10/2004 | 03:54 | PR Newswire (US) | MarkWest Announces That It Has Executed Agreements With Equitable Production Co. | AMEX:MWP | Markwest Hydrocarbon, |
| 05/08/2004 | 14:45 | PR Newswire (US) | Reminder - MarkWest Hydrocarbon, Inc. and MarkWest Energy Partners, L.P. Invite You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 05/08/2004 | 08:46 | PR Newswire (US) | MarkWest Hydrocarbon Reports 2004 Second Quarter Results | AMEX:MWP | Markwest Hydrocarbon, |
| 23/07/2004 | 04:04 | PR Newswire (US) | MarkWest Hydrocarbon Declares a Quarterly Cash Dividend of $0.025 per Share | AMEX:MWP | Markwest Hydrocarbon, |
| 12/07/2004 | 14:45 | PR Newswire (US) | Reminder - MarkWest Energy Partners, L.P. and MarkWest Hydrocarbon, Inc. Invite You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 09/07/2004 | 04:02 | PR Newswire (US) | MarkWest Energy Partners, L.P. and MarkWest Hydrocarbon, Inc. Invite You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 09/07/2004 | 03:51 | PR Newswire (US) | MarkWest Energy Partners Announces Intent to Acquire East Texas Gathering and Processing System From American Central | AMEX:MWP | Markwest Hydrocarbon, |
| 03/06/2004 | 02:59 | PR Newswire (US) | MarkWest Hydrocarbon's Board of Directors Elects James Ivey to Chief Financial Officer | AMEX:MWP | Markwest Hydrocarbon, |
| 06/05/2004 | 07:01 | PR Newswire (US) | MarkWest Hydrocarbon Reports 2004 First Quarter Results | AMEX:MWP | Markwest Hydrocarbon, |
| 05/05/2004 | 23:00 | PR Newswire (US) | REMINDER - MarkWest Hydrocarbon, Inc. and MarkWest Energy Partners, L.P. Invite You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 27/04/2004 | 03:52 | PR Newswire (US) | MarkWest Hydrocarbon Announces Appointment of Independent Accountants | AMEX:MWP | Markwest Hydrocarbon, |
| 23/04/2004 | 02:01 | PR Newswire (US) | MarkWest Hydrocarbon Declares a Quarterly Cash Dividend of $0.025 Per Share | AMEX:MWP | Markwest Hydrocarbon, |
| 25/03/2004 | 07:23 | PR Newswire (US) | MarkWest Hydrocarbon Reports 2003 Fourth Quarter and Year-End Results | AMEX:MWP | Markwest Hydrocarbon, |
| 04/03/2004 | 21:26 | PR Newswire (US) | UPDATE: MarkWest Hydrocarbon, Inc. Invites You to Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 24/02/2004 | 18:20 | PR Newswire (US) | MarkWest Hydrocarbon, Inc. and MarkWest Energy Partners, L.P. Invite You To Join Their Conference Call on the Web | AMEX:MWP | Markwest Hydrocarbon, |
| 21/02/2004 | 01:40 | PR Newswire (US) | MarkWest Announces Retirement of Don Heppermann as CFO and His Appointment As Chairman of Finance Committees | AMEX:MWP | Markwest Hydrocarbon, |