EQUIFAX INC

Ticker: EFX CUSIP: 294429105 Class: COM

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

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

Q2 2018

Shares 397,000 Value ($000) $49,669 Avg Close $110.85 Range $103.56 - $120.47

Q1 2018

Shares 2,587,201 Value ($000) $304,798 Avg Close $111.89 Range $100.87 - $118.93

Q4 2017

Shares 2,336,753 Value ($000) $275,550 Avg Close $104.45 Range $97.71 - $112.45

Q3 2017

Shares 537,806 Value ($000) $57,002 Avg Close $122.49 Range $83.13 - $136.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	397,000	$49,669	$110.85	$103.56 - $120.47
Q1 2018	2,587,201	$304,798	$111.89	$100.87 - $118.93
Q4 2017	2,336,753	$275,550	$104.45	$97.71 - $112.45
Q3 2017	537,806	$57,002	$122.49	$83.13 - $136.04