Did Keith O'Brien participate in the 2013 conclave?
Yes
No, he excused himself
He was not invited
It's not clear
Answer
Keith O’Brien did not take part in the 2013 papal conclave. Prior to the conclave, O’Brien announced his resignation as Archbishop of St. Andrews and Edinburgh and withdrew from public ministry amid allegations of sexual misconduct.
The Remarkable Life of Keith O'Brien: A Scottish Cardinal's Journey