SI-BONE INC

Ticker: SIBN CUSIP: 825704109 Class: Common Stock

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q1 2019

Shares 538,730 Value ($000) $10,150 Avg Close $19.35 Range $17.09 - $23.03

Q4 2018

Shares 640,900 Value ($000) $13,388 Avg Close $18.92 Range $16.27 - $21.96

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	538,730	$10,150	$19.35	$17.09 - $23.03
Q4 2018	640,900	$13,388	$18.92	$16.27 - $21.96