CONCHO RES INC

CUSIP: 20605P101 Class: COM

PARNASSUS INVESTMENTS, LLC's Holding History (CIK: 0000948669)

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

Q4 2013
Shares 24,600 Value ($000) $2,657 Avg Close — Range —
Q3 2013
Shares 29,000 Value ($000) $3,155 Avg Close — Range —
Q2 2013
Shares 37,950 Value ($000) $3,177 Avg Close — Range —