DYADIC INTL INC DEL

Ticker: DYAI CUSIP: 26745T101 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2021

Shares 10,400 Value ($000) $57 Avg Close $5.55 Range $4.56 - $8.78

Q4 2020

Shares 12,200 Value ($000) $66 Avg Close $6.58 Range $5.18 - $8.50

Q3 2020

Shares 13,300 Value ($000) $101 Avg Close $8.27 Range $7.03 - $9.63

Q2 2020

Shares 13,300 Value ($000) $115 Avg Close $6.65 Range $4.75 - $10.98

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	10,400	$57	$5.55	$4.56 - $8.78
Q4 2020	12,200	$66	$6.58	$5.18 - $8.50
Q3 2020	13,300	$101	$8.27	$7.03 - $9.63
Q2 2020	13,300	$115	$6.65	$4.75 - $10.98