| 1 | A | B | C | D | E | F | G | H |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | summary of seat changes |  |  |  |  |  |  |  |
| 3 | seat | before |  |  |  | change |  |  |
| 4 |  | date | member | party | reason | date | member | party |
| 5 | sudbury | november 20, 2014 | joe cimino | █ new democratic | resignation | february 5, 2015 | glenn thibeault | █ liberal |
| 6 | simcoe north | august 1, 2015 | garfield dunlop | █ pc | resignation | september 3, 2015 | patrick brown | █ pc |
| 7 | whitby-oshawa | august 28, 2015 | christine elliott | █ pc | resignation | february 11, 2016 | lorne coe | █ pc |
| 8 | scarborough-rouge river | march 22, 2016 | bas balkissoon | █ liberal | resignation | september 1, 2016 | raymond cho | █ pc |
| 9 | ottawa-vanier | june 30, 2016 | madeleine meilleur | █ liberal | resignation | november 17, 2016 | nathalie des rosiers | █ liberal |
| 10 | niagara west-glanbrook | september 16, 2016 | tim hudak | █ pc | resignation | november 17, 2016 | sam oosterhoff | █ pc |
| 11 | sault ste. marie | december 31, 2016 | david orazietti | █ liberal | resignation | june 1, 2017 | ross romano | █ pc |
| 12 | carleton-mississippi mills | may 28, 2017 | jack maclaren | █ pc | expulsion | none | none | █ trillium |
| 13 | toronto centre | september 1, 2017 | glen murray | █ liberal | resignation | none | none | █ vacant |
| 14 | bramalea-gore-malton | october 20, 2017 | jagmeet singh | █ new democratic | resignation | none | none | █ vacant |
| 15 | parkdale-high park | december 31, 2017 | cheri dinovo | █ new democratic | resignation | none | none | █ vacant |
| 16 | simcoe north | february 16, 2018 | patrick brown | █ pc | expulsion | none | none | █ independent |
| 17 | st. paul's | february 26, 2018 | eric hoskins | █ liberal | resignation | none | none | █ vacant |
| 18 | kitchener-conestoga | april 9, 2018 | michael harris | █ pc | expulsion | none | none | █ independent |

Question: when did patrick brown eject from simcoe north?
Answer: february 16, 2018