REGULUS THERAPEUTICS INC

CUSIP: 75915K101 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 80,000 Value ($000) $1,283,000 Avg Close — Range —
Q1 2014
Shares 20,000 Value ($000) $180,000 Avg Close — Range —
Q4 2013
Shares 24,400 Value ($000) $180,000 Avg Close — Range —
Q3 2013
Shares 23,295 Value ($000) $220,000 Avg Close — Range —