BIOSPECIFICS TECHNOLOGIES CO

CUSIP: 090931106 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q2 2014
Shares 37,465 Value ($000) $1,010 Avg Close — Range —
Q1 2014
Shares 53,438 Value ($000) $1,385 Avg Close — Range —
Q4 2013
Shares 79,438 Value ($000) $1,721 Avg Close — Range —
Q3 2013
Shares 56,638 Value ($000) $1,103 Avg Close — Range —