PARKERVISION INC

CUSIP: 701354102 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2015
Shares 143,753 Value ($000) $54 Avg Close — Range —
Q1 2015
Shares 315,929 Value ($000) $262 Avg Close — Range —
Q4 2014
Shares 342,207 Value ($000) $311 Avg Close — Range —
Q3 2014
Shares 342,207 Value ($000) $390 Avg Close — Range —
Q2 2014
Shares 342,207 Value ($000) $506 Avg Close — Range —
Q1 2014
Shares 342,207 Value ($000) $1,643 Avg Close — Range —
Q4 2013
Shares 342,207 Value ($000) $1,557 Avg Close — Range —
Q3 2013
Shares 353,376 Value ($000) $1,184 Avg Close — Range —
Q2 2013
Shares 361,096 Value ($000) $1,643 Avg Close — Range —