NOVAVAX INC

Ticker: NVAX CUSIP: 670002401 Class: Common Stock

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

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

Q1 2021

Shares 18,800 Value ($000) $3,408 Avg Close $199.27 Range $109.01 - $331.68

Q4 2020

Shares 31,200 Value ($000) $3,479 Avg Close $106.29 Range $76.59 - $150.50

Q3 2020

Shares 33,000 Value ($000) $3,575 Avg Close $121.82 Range $75.40 - $189.40

Q2 2020

Shares 26,500 Value ($000) $2,209 Avg Close $38.25 Range $13.21 - $89.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	18,800	$3,408	$199.27	$109.01 - $331.68
Q4 2020	31,200	$3,479	$106.29	$76.59 - $150.50
Q3 2020	33,000	$3,575	$121.82	$75.40 - $189.40
Q2 2020	26,500	$2,209	$38.25	$13.21 - $89.50