NEPHROGENEX INC

CUSIP: 640667101 Class: COM

UBS Group AG's Holding History (CIK: 0001610520)

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

Q1 2016
Shares 8,573 Value ($000) $4 Avg Close — Range —
Q2 2015
Shares 591 Value ($000) $4 Avg Close — Range —
Q1 2015
Shares 2,316 Value ($000) $18 Avg Close — Range —
Q4 2014
Shares 2,699 Value ($000) $36 Avg Close — Range —