ECOPETROL S A

Ticker: EC CUSIP: 279158109 Class: ADR

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q2 2014
Shares 6,000 Value ($000) $216 Avg Close — Range —
Q1 2014
Shares 6,000 Value ($000) $245 Avg Close — Range —
Q4 2013
Shares 6,000 Value ($000) $231 Avg Close — Range —
Q3 2013
Shares 10,500 Value ($000) $483 Avg Close — Range —