EXHIBIT 99.4
The Company to participate in investor conference held by Goldman Sachs
Date of events: 2015/05/18
Contents:
| 1. | Date of the investor conference: 2015/05/27~2015/05/28 |
| 2. | Time of the investor conference: 9:00AM |
| 3. | Location of the investor conference: Hong Kong |
| 4. | Brief information disclosed in the investor conference: The conference will be held by Goldman Sachs |
| 5. | The presentation of the investor conference release: Please refer tohttp://newmops.tse.com.tw/ |
| 6. | Will the presentation be released in the Company’s website: Yes, please refer tohttp://www.cht.com.tw/chtir |
| 7. | Any other matters that need to be specified: None |