Luckily, the dates are published much earlier by other websites - NOT confirmed that is:
9th: HG 1/144 Gundam RX-78-2 Ver. G 30th - 1,260 Yen (inclusive of tax).
10th: BB Senshi Gundam RX-78-2 (TV Anime Color Ver) - 840 Yen (inclusive of tax).
17th: BB Senshi Sangokuden Tenshouryu Koumei Nu Gundam - 1,260 Yen (inclusive of tax).
23rd: MG Exia - 3,990 Yen (inclusive of tax).
23rd: MG Exia Ignition Mode - First batch of release 5,250 Yen (inclusive of tax).
30th: HG 1/144 Cherudim Gundam GNHW/R - 1,890 Yen (inclusive of tax).
31st: BB Senshi Sengokuden Bushin Kourin Takeda Shingen (武田信玄) Gundam (Musha Gundam) - 630 Yen (inclusive of tax).
31st: BB Senshi Sengokuden Bushin Kourin Uesugi Kenshin (上杉謙信) Gundam (Zeta Gundam) - 630 Yen (inclusive of tax).
* Links provided to each of the merchandise's page on Hobbyist Rakuten Store.
So, the highly anticipated MG Exia is going to be out in mid of July. Can't wait for that ^^
Information from Hobbyist Rakuten Store. Images from various previous postings.