PETROBRAS ARGENTINA S A

CUSIP: 71646J109 Class: CMN

Board of Trustees of The Leland Stanford Junior University's Holding History (CIK: 0001315828)

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

Q2 2015
Shares 325,396 Value ($000) $2,170 Avg Close — Range —
Q1 2015
Shares 325,396 Value ($000) $2,222 Avg Close — Range —
Q4 2014
Shares 190,698 Value ($000) $942 Avg Close — Range —
Q3 2014
Shares 190,698 Value ($000) $1,247 Avg Close — Range —