| Date | Time | Source | Headline | Symbol | Company |
| 03/10/2008 | 2:32PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Amended Statement of Ownership (SC 13G/A) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/28/2008 | 5:05PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Current report filing (8-K) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/28/2008 | 4:49PM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. Announces Board Member Departure | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/28/2008 | 8:00AM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. to Speak at the Cowen and Company 28th Annual Health Care Conference on March 18, 2008 | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/25/2008 | 12:15PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Current report filing (8-K) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/25/2008 | 8:00AM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. Names Timothy E. Murnane as Chief Operating Officer | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/21/2008 | 6:32PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Changes in Beneficial Ownership (4) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/21/2008 | 6:32PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Changes in Beneficial Ownership (4) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/21/2008 | 6:32PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Changes in Beneficial Ownership (4) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/21/2008 | 6:24PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Changes in Beneficial Ownership (4) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/20/2008 | 4:30PM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. to Hold Annual Stockholder Meeting April 22, 2008 | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/19/2008 | 1:56PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Report (10-K) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/14/2008 | 2:22PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Ownership (SC 13G) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/14/2008 | 6:06AM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Amended Statement of Ownership (SC 13G/A) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/14/2008 | 6:01AM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Ownership (SC 13G) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:31PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:30PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:30PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:29PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:29PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:29PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 5:29PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Annual Statement of Changes in Beneficial Ownership (5) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 4:21PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Current report filing (8-K) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 4:02PM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. Announces Fourth Quarter and Full-Year 2007 Results; Updates 2008 Guidance | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/13/2008 | 4:00PM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. Announces Senior Executive Departures | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/12/2008 | 9:44AM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Amended Statement of Ownership (SC 13G/A) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/12/2008 | 6:03AM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Ownership (SC 13G) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/12/2008 | 6:03AM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Statement of Ownership (SC 13G) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/08/2008 | 5:01PM | PR Newswire (US) | NightHawk Radiology Holdings, Inc. Announces Time Change for Fourth Quarter and Full-Year 2007 Earnings Conference Call | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |
| 02/01/2008 | 4:19PM | Edgar (US Regulatory) | Nighthawk Radiology Holdings Inc - Amended Statement of Ownership (SC 13G/A) | NASDAQ:NHWK | Nighthawk Radiology Holdings, Inc. (MM) |