Third Wave of EX Raid Field Test

The third wave of EX raid invites have been sent out!

According to reports, this wave consists of sponsored gym locations. In the US, there are invites to raid at Sprint stores, whereas in Japan, invites were sent to raid at gyms at Joyfull Restaurants.
A surprise addition to the 2 countries was an EX raid in Taiwan! The first ever EX raid outside of Japan and the US. Taiwanese trainers will now get the chance to have a go at Mewtwo. These raids will be taking place this weekend.

Additional info

Invites seem to be sent to trainers who last raided at these locations as far back as 1 month ago.
Also, it might be possible to get multiple invites to EX raid according to reports.