CONCHO RES INC

CUSIP: 20605P101 Class: COM

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q2 2014
Shares 17,370 Value ($000) $2,510 Avg Close — Range —
Q1 2014
Shares 2,547,520 Value ($000) $312,071 Avg Close — Range —
Q4 2013
Shares 1,783,079 Value ($000) $192,572 Avg Close — Range —