TWILIO INC

Ticker: TWLO CUSIP: 90138F102 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 17,484 Value ($000) $5,958 Avg Close $374.56 Range $306.04 - $457.30

Q4 2020

Shares 24,007 Value ($000) $8,127 Avg Close $312.48 Range $247.50 - $374.49

Q3 2020

Shares 25,666 Value ($000) $6,342 Avg Close $246.54 Range $214.32 - $288.81

Q2 2020

Shares 24,984 Value ($000) $5,482 Avg Close $160.56 Range $79.25 - $222.38

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	17,484	$5,958	$374.56	$306.04 - $457.30
Q4 2020	24,007	$8,127	$312.48	$247.50 - $374.49
Q3 2020	25,666	$6,342	$246.54	$214.32 - $288.81
Q2 2020	24,984	$5,482	$160.56	$79.25 - $222.38