BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

Rubric Capital Management LP's Holding History (CIK: 0001687509)

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

Q3 2018

Shares 1,244,829 Value ($000) $18,274 Avg Close $16.94 Range $14.65 - $18.86

Q2 2018

Shares 1,600,000 Value ($000) $29,264 Avg Close $19.12 Range $17.74 - $20.79

Q1 2018

Shares 625,000 Value ($000) $12,400 Avg Close $21.18 Range $19.15 - $23.28

Q4 2017

Shares 200,000 Value ($000) $4,358 Avg Close $18.96 Range $16.52 - $22.08

Q3 2017

Shares 589,230 Value ($000) $10,600 Avg Close $16.13 Range $14.39 - $18.08

Q2 2017

Shares 295,536 Value ($000) $4,528 Avg Close $14.94 Range $13.33 - $16.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,244,829	$18,274	$16.94	$14.65 - $18.86
Q2 2018	1,600,000	$29,264	$19.12	$17.74 - $20.79
Q1 2018	625,000	$12,400	$21.18	$19.15 - $23.28
Q4 2017	200,000	$4,358	$18.96	$16.52 - $22.08
Q3 2017	589,230	$10,600	$16.13	$14.39 - $18.08
Q2 2017	295,536	$4,528	$14.94	$13.33 - $16.50