PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Ruffer LLP's Holding History (CIK: 0001426859)

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

Q4 2015
Shares 12,000 Value ($000) $764 Avg Close $64.50 Range $58.84 - $69.48
Q3 2015
Shares 12,000 Value ($000) $805 Avg Close $71.25 Range $65.82 - $79.95
Q2 2015
Shares 12,000 Value ($000) $810 Avg Close $70.59 Range $65.84 - $79.00
Q3 2013
Shares 25,000 Value ($000) $1,913 Avg Close $69.23 Range $61.46 - $80.66
Q2 2013
Shares 25,000 Value ($000) $1,624 Avg Close $53.72 Range $43.62 - $67.40