| Date | Event |
| 20-Nov-09 | Price hit new 52-week high ($36.67) |
| 19-Nov-09 | Price hit new 52-week high ($35.72) |
| 18-Nov-09 | Price hit new 52-week high ($35.40) |
| 9-Nov-09 | Merck upgraded by Leerink Swann |
| 4-Nov-09 | MERCK SHARP & DOHME CORP. Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financ |
| 2-Nov-09 | MERCK & CO INC Files SEC form 10-Q, Quarterly Report |
| 22-Oct-09 | Merck & Co., Inc. Earnings Call scheduled for 9:00 am ET today |
| 22-Oct-09 | MERCK & CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 21-Sep-09 | MERCK & CO INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 2-Sep-09 | Ex-Date for dividend payment of $0.38 |
| 3-Aug-09 | MERCK & CO INC Files SEC form 10-Q, Quarterly Report |
| 31-Jul-09 | MERCK & CO INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial Statements and |
| 21-Jul-09 | MERCK & CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 1-Jul-09 | MERCK & CO INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 25-Jun-09 | MERCK & CO INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 4-Jun-09 | Ex-Date for dividend payment of $0.38 |
| 20-May-09 | MERCK & CO INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 12-May-09 | MERCK & CO INC Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sh |
| 4-May-09 | MERCK & CO INC Files SEC form 8-K/A, Change in Directors or Principal Officers |
| 21-Apr-09 | MERCK & CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 10-Mar-09 | MERCK & CO INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 9-Mar-09 | MERCK & CO INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($20.05) |
| 5-Mar-09 | Price hit new 52-week low ($21.93) |
| 4-Mar-09 | Price hit new 52-week low ($22.44) |
| 2-Mar-09 | MERCK & CO INC Files SEC form 8-K, Change in Directors or Principal Officers, Amendments to Articles of Inc. or Bylaw |
| 27-Feb-09 | MERCK & CO INC Files SEC form 10-K, Annual Report |
| 24-Feb-09 | MERCK & CO INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 11-Feb-09 | MERCK & CO INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 3-Feb-09 | MERCK & CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 9-Dec-08 | MERCK & CO INC Files SEC form 8-K, Regulation FD Disclosure |
| 3-Nov-08 | MERCK & CO INC Files SEC form 10-Q, Quarterly Report |
| 22-Oct-08 | MERCK & CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Costs Associated with Exit or Dispo |