Here’s the message BMG sent out to its staff.
Subject: Boruch Dayan Ha'Emes
We regret to inform you of the Petira of Maran Hamashgiach Harav Mattisyahu Salomon Z"L.
The Levaya will take place tomorrow Wednesday at 12PM in Bais Yitzchok, [which is on 7th & private way (not 617 6th which is the dining room/dorm.)]
Besuros Tovos