| Data | Hora | Fonte | Título | Código | Companhia |
| 10/10/2011 | 08:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. Provides Update on SBS Production Facility | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 06/10/2011 | 17:42 | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 06/10/2011 | 17:20 | PR Newswire (US) | Keyuan Petrochemicals Inc. Receives NASDAQ Delisting Notice | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 06/10/2011 | 12:22 | GlobeNewswire Inc. | CORRECTION: NASDAQ Suspends Keyuan Petrochemicals, Inc. | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 04/10/2011 | 10:21 | PR Newswire (US) | Keyuan Petrochemicals Inc. Provides Final Independent Investigation Report to NASDAQ Hearings Panel | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 07/09/2011 | 12:18 | PR Newswire (US) | Keyuan Petrochemicals Inc. Provides Update on NASDAQ Listing | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 24/08/2011 | 17:00 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces NASDAQ Delinquency Notice | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 26/07/2011 | 17:41 | PR Newswire (US) | Keyuan Petrochemicals Inc. Receives Stay of Delisting from NASDAQ Hearings Panel | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 11/07/2011 | 18:19 | PR Newswire (US) | Keyuan Petrochemicals Inc. Provides Shareholder Update | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 11/07/2011 | 18:13 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces Findings of Independent Investigation | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 05/07/2011 | 17:32 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces New Auditor | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 28/06/2011 | 08:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. and Hangzhou Zhongce Rubber Company Limited Agree to Jointly Develop Commercial Applications for S... | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 01/06/2011 | 08:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. to Pay Quarterly Dividend to Shareholders of Record as of June 1, 2011 | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 20/05/2011 | 13:26 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 04/05/2011 | 08:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. Completes Capacity Expansion | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 19/04/2011 | 08:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces Payment of First Quarterly Dividend | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 18/04/2011 | 22:45 | Business Wire | Law Offices of Howard G. Smith Announces Investigation on Behalf of Shareholders of Keyuan Petrochemicals, Inc. | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 15/04/2011 | 15:44 | Edgar (US Regulatory) | Amended Current report filing (8-K/A) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 14/04/2011 | 19:08 | Business Wire | Robbins Umeda LLP Announces an Investigation of Keyuan Petrochemicals, Inc. for Shareholders | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 02/04/2011 | 00:55 | Business Wire | The Rosen Law Firm Announces Investigation of Investor Securities Claims Against Keyuan Petrochemicals, Inc. – KEYP | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 01/04/2011 | 10:31 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces Delay in 2010 Filing | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 01/04/2011 | 09:56 | Edgar (US Regulatory) | Notification that Annual Report will be submitted late (NT 10-K) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 24/03/2011 | 11:47 | PR Newswire (US) | Keyuan Petrochemicals Inc. to Host Fiscal 2010 Fourth Quarter and Year End Earnings Conference Call on Friday, April 1, 2011 at | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 01/03/2011 | 20:27 | PR Newswire (US) | Keyuan Petrochemicals Inc. Signs R&D Agreement with Ningbo Institute of Technology | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 28/02/2011 | 10:00 | PR Newswire (US) | Keyuan Petrochemicals Inc. to Present at Investment Conferences in March | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 28/02/2011 | 09:00 | PR Newswire (US) | Keyuan Petrochemicals Inc. Announces Dividend Payment Schedule | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 14/02/2011 | 17:53 | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 27/01/2011 | 10:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. Initiates Quarterly Cash Dividend | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 25/01/2011 | 10:30 | PR Newswire (US) | Keyuan Petrochemicals Inc. Receives Patent for Ethylene and Propylene Production | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |
| 20/01/2011 | 09:00 | Edgar (US Regulatory) | Notice of Effectiveness (EFFECT) | NASDAQ:KEYP | Keyuan Petrochemicals, Inc. (MM) |