Chofetz Chaim NYT article: How old was he?

I recently got an email with the NYT article on the obituary of the Chofetz Chaim Zt'l (left) and I wanted to share it with you. I was unaware that there was some uncertainty as to how old he really was when he passed. The article indicates he was 105 but that he never discussed his age. Looking elsewhere would indicate he was 95. The mystery continues...