| SC 13G/A | 2012-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 4,595,691 | 3.2% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | Discovery Communications, Inc. | 11,254,326 | 8.0% | EDGAR |
| SC 13G/A | 2012-02-09 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 15,187,202 | 13.0% | EDGAR |
| SC 13G | 2012-02-09 | STATE STREET CORP | Discovery Communications, Inc. | - | 6.0% | EDGAR |
| SC 13G/A | 2012-02-08 | VANGUARD GROUP INC | Discovery Communications, Inc. | 7,948,714 | 5.6% | EDGAR |
| SC 13G/A | 2011-12-12 | FMR LLC | Discovery Communications, Inc. | 25,699,140 | 18.2% | EDGAR |
| SC 13G/A | 2011-07-07 | HARRIS ASSOCIATES L P | Discovery Communications, Inc. | 11,876,186 | 8.4% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | Discovery Communications, Inc. | 17,789,302 | 13.0% | EDGAR |
| SC 13G | 2011-02-11 | STATE STREET Corp | Discovery Communications, Inc. | - | 6.6% | EDGAR |
| SC 13G/A | 2011-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 7,834,493 | 5.7% | EDGAR |
| SC 13G/A | 2011-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 17,984,549 | 12.7% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD GROUP INC | Discovery Communications, Inc. | 7,762,596 | 5.7% | EDGAR |
| SC 13G/A | 2011-02-08 | HARRIS ASSOCIATES L P | Discovery Communications, Inc. | 11,876,186 | 8.4% | EDGAR |
| SC 13G | 2011-02-04 | BlackRock Inc. | Discovery Communications, Inc. | 11,903,786 | 8.7% | EDGAR |
| SC 13D/A | 2010-12-13 | NEWHOUSE BROADCASTING CORP | Discovery Communications, Inc. | 71,107,312 | 34.2% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | Discovery Communications, Inc. | 15,291,372 | 11.3% | EDGAR |
| SC 13G/A | 2010-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 9,383,858 | 6.9% | EDGAR |
| SC 13G/A | 2010-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | Discovery Communications, Inc. | 18,693,127 | 13.1% | EDGAR |
| SC 13G/A | 2010-02-11 | HARRIS ASSOCIATES L P | Discovery Communications, Inc. | 15,865,910 | 11.3% | EDGAR |
| SC 13G/A | 2009-02-12 | HARRIS ASSOCIATES L P | Discovery Communications, Inc. | 17,415,830 | 12.4% | EDGAR |