FASTENAL CO

Ticker: FAST CUSIP: 311900104 Class: COM

Sustainable Growth Advisers, LP's Holding History (CIK: 0001290668)

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

Q4 2014

Shares 2,826,374 Value ($000) $134,423 Avg Close $8.34 Range $7.45 - $9.03

Q3 2014

Shares 2,947,843 Value ($000) $132,358 Avg Close $8.47 Range $8.05 - $9.26

Q2 2014

Shares 3,240,593 Value ($000) $160,376 Avg Close $9.11 Range $8.73 - $9.58

Q1 2014

Shares 3,168,611 Value ($000) $156,212 Avg Close $8.57 Range $7.79 - $9.32

Q4 2013

Shares 3,084,689 Value ($000) $146,553 Avg Close $8.75 Range $8.03 - $9.48

Q3 2013

Shares 2,798,961 Value ($000) $140,703 Avg Close $8.59 Range $7.94 - $9.35

Q2 2013

Shares 2,165,045 Value ($000) $99,137 Avg Close $8.84 Range $8.02 - $9.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	2,826,374	$134,423	$8.34	$7.45 - $9.03
Q3 2014	2,947,843	$132,358	$8.47	$8.05 - $9.26
Q2 2014	3,240,593	$160,376	$9.11	$8.73 - $9.58
Q1 2014	3,168,611	$156,212	$8.57	$7.79 - $9.32
Q4 2013	3,084,689	$146,553	$8.75	$8.03 - $9.48
Q3 2013	2,798,961	$140,703	$8.59	$7.94 - $9.35
Q2 2013	2,165,045	$99,137	$8.84	$8.02 - $9.59