| Answer | Crossword Clue |
|---|---|
| EXXON | Half a 1999 merger |
| EXXON | Half of a giant 1999 merger |
| MOBIL | Half of a major 1999 merger |
| EXXON | Half of a 1999 petroleum-industry merger |
| EXXONMOBIL | Result of a 1999 merger |
| EXXONMOBIL | Product of a major 1999 merger |
| MOBIL | Oil company in a 1999 merger |
