VOCERA COMMUNICATIONS INC

CUSIP: 92857F107 Class: COMMON STOCK

Ruffer LLP's Holding History (CIK: 0001426859)

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

Q1 2014
Shares 50,000 Value ($000) $816 Avg Close — Range —
Q4 2013
Shares 50,000 Value ($000) $780 Avg Close — Range —
Q3 2013
Shares 50,000 Value ($000) $951 Avg Close — Range —
Q2 2013
Shares 50,000 Value ($000) $737 Avg Close — Range —