WEIBO CORP

Ticker: WB CUSIP: 948596101 Class: Foreign Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2018

Shares 1,655 Value ($000) $198 Avg Close — Range —

Q4 2017

Shares 1,655 Value ($000) $171 Avg Close — Range —

Q3 2017

Shares 1,655 Value ($000) $164 Avg Close — Range —

Q2 2017

Shares 1,655 Value ($000) $110 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	1,655	$198	—	—
Q4 2017	1,655	$171	—	—
Q3 2017	1,655	$164	—	—
Q2 2017	1,655	$110	—	—