BARRETT BILL CORP

CUSIP: 06846N104 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2017
Shares 24,920 Value ($000) $128 Avg Close — Range —
Q3 2017
Shares 24,920 Value ($000) $107 Avg Close — Range —
Q2 2017
Shares 24,920 Value ($000) $77 Avg Close — Range —
Q1 2017
Shares 24,920 Value ($000) $113 Avg Close — Range —
Q4 2016
Shares 24,920 Value ($000) $174 Avg Close — Range —
Q3 2016
Shares 24,920 Value ($000) $139 Avg Close — Range —
Q2 2016
Shares 24,920 Value ($000) $159 Avg Close — Range —
Q1 2016
Shares 24,920 Value ($000) $155 Avg Close — Range —
Q4 2015
Shares 12,058 Value ($000) $47 Avg Close — Range —
Q3 2015
Shares 12,058 Value ($000) $40 Avg Close — Range —
Q2 2015
Shares 12,058 Value ($000) $104 Avg Close — Range —
Q1 2015
Shares 12,058 Value ($000) $100 Avg Close — Range —
Q4 2014
Shares 12,058 Value ($000) $137 Avg Close — Range —
Q3 2014
Shares 12,058 Value ($000) $266 Avg Close — Range —
Q2 2014
Shares 12,058 Value ($000) $323 Avg Close — Range —
Q1 2014
Shares 12,058 Value ($000) $309 Avg Close — Range —
Q4 2013
Shares 12,058 Value ($000) $323 Avg Close — Range —
Q3 2013
Shares 12,058 Value ($000) $303 Avg Close — Range —
Q2 2013
Shares 12,058 Value ($000) $244 Avg Close — Range —