| Date | Time | Source | Headline | Symbol | Company |
| 05/18/2012 | 5:18AM | Edgar (US Regulatory) | Post-Effective Amendment to an S-8 filing (S-8 POS) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 4:05PM | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 4:00PM | Edgar (US Regulatory) | (25-NSE) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:55PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:53PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:51PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:48PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:42PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:40PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 3:38PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/17/2012 | 11:50AM | Business Wire | Archipelago Learning Closes Merger Agreement with PLATO® Learning | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/16/2012 | 12:49PM | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/16/2012 | 12:45PM | Business Wire | Archipelago Learning Shareholders Approve Merger Agreement with PLATO® Learning | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/14/2012 | 5:05AM | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/10/2012 | 12:07PM | Edgar (US Regulatory) | Quarterly Report (10-Q) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/08/2012 | 3:10PM | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 05/08/2012 | 3:05PM | Business Wire | Archipelago Learning Announces Financial Results for First Quarter 2012 | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 04/30/2012 | 4:30PM | Edgar (US Regulatory) | Amended Annual Report (10-K/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 04/26/2012 | 3:05PM | Business Wire | Archipelago Learning Announces First Quarter 2012 Earnings Release Date | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 04/20/2012 | 2:45PM | Edgar (US Regulatory) | Additional Proxy Soliciting Materials (definitive) (DEFA14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 04/13/2012 | 3:02PM | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (definitive) (DEFM14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 04/02/2012 | 12:04PM | Business Wire | Rigrodsky & Long, P.A. Announces Investigation of Archipelago Learning, Inc. Takeover | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/30/2012 | 3:13PM | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/30/2012 | 3:10PM | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/27/2012 | 5:13AM | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (preliminary) (PREM14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/26/2012 | 3:34PM | Edgar (US Regulatory) | Additional Proxy Soliciting Materials (definitive) (DEFA14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/26/2012 | 10:27AM | Business Wire | Archipelago Learning's Study Island Introduces Teacher Toolkit to Facilitate Resource Access for Educators | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/21/2012 | 1:32PM | Business Wire | Faruqi & Faruqi, LLP Answers Questions Regarding the Acquisition of Archipelago Learning, Inc. | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/15/2012 | 12:05PM | Edgar (US Regulatory) | Annual Report (10-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 03/12/2012 | 3:36PM | Marketwired | Shareholder Class Action Lawsuit Filed Seeking More Money, Information for Archipelago Learning Stockholders, Announces Goldf... | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |